CN115628638A - Preheating gasification device for dehydrogenation reaction of o-phenylphenol and use method thereof - Google Patents
Preheating gasification device for dehydrogenation reaction of o-phenylphenol and use method thereof Download PDFInfo
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- CN115628638A CN115628638A CN202211629592.4A CN202211629592A CN115628638A CN 115628638 A CN115628638 A CN 115628638A CN 202211629592 A CN202211629592 A CN 202211629592A CN 115628638 A CN115628638 A CN 115628638A
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- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 235000010292 orthophenyl phenol Nutrition 0.000 title claims abstract description 34
- 238000002309 gasification Methods 0.000 title claims abstract description 28
- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 71
- 239000002994 raw material Substances 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 95
- 238000013519 translation Methods 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 239000004306 orthophenyl phenol Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- XIUFWXXRTPHHDQ-UHFFFAOYSA-N prop-1-ene;1,1,2,2-tetrafluoroethene Chemical group CC=C.FC(F)=C(F)F XIUFWXXRTPHHDQ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
- F28D2021/0064—Vaporizers, e.g. evaporators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of synthesis and production of phenyl phenol compounds, in particular to a preheating and gasification device for dehydrogenation reaction of o-phenylphenol and a using method thereof, wherein the device comprises a vertical preheating box, a top end discharging barrel and a bottom end feeding barrel are respectively arranged at the upper end and the lower end of the vertical preheating box, and the device also comprises: and the closed preheating bin is arranged inside the vertical preheating box. According to the invention, the vertical preheating box is used for preheating and gasifying the raw materials for producing the o-phenylphenol, the unit preheating boxes can be independently installed in the unit installation bins divided in the vertical preheating box, each unit preheating box is an independent tubular heat exchange mechanism, so that any unit preheating box can be independently assembled and disassembled when being damaged, the unit preheating box can be maintained and repaired quickly, or a new unit preheating box is installed for use, the overall maintenance difficulty and time of the device can be greatly reduced, the shutdown maintenance time can be shortened, and the overall reaction production efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of synthesis and production of phenyl phenol compounds, in particular to a preheating and gasifying device for dehydrogenation reaction of o-phenylphenol and a using method thereof.
Background
The o-phenylphenol is an organic chemical product with wide application, and is widely applied to sterilization and corrosion prevention; printing and dyeing auxiliary agent and surfactant to synthesize novel plastics; the production of o-phenylphenol requires that a cyclohexanone catalyst is added into a condensation reaction kettle according to a certain proportion for condensation reaction, and the o-phenylphenol is subjected to dehydrogenation reaction after a refined dimer separated and purified by a distillation tower to obtain an o-phenylphenol crude product, wherein the raw materials are preheated and vaporized by a preheater before the dehydrogenation reaction, and the preheater generally adopts a shell and tube preheater.
The application number is CN 201210155574.7's patent discloses a shell and tube heat exchanger, including the casing, is equipped with heat exchanger tube bank in this casing, and the tube sheet is equipped with at heat exchanger tube bank's both ends, the both ends of casing are equipped with the head respectively, and the head links to each other with the tube sheet, heat exchanger tube bank's tube side part is equipped with the baffling plate washer, the head at casing both ends is equipped with medium I import and medium I export respectively, and the upper portion and the lower part of casing are equipped with medium II import and medium II export respectively, heat exchanger tube bank comprises the big footpath heat exchange tube and the path heat exchange tube that polytetrafluoroethylene or poly perfluoroethylene propylene made, and big footpath heat exchange tube and path heat exchange tube are in crisscross setting in the casing adopts the shell and tube heat exchanger of above-mentioned structure, because have the less path heat exchange tube of pipe diameter in the heat exchange tube, consequently also can guarantee that intraductal working medium is full of state, heat exchange efficiency is high when the working medium flow hour.
But present shell and tube preheating equipment, in order to improve heat exchange efficiency, the pipeline diameter of carrying the raw materials is the better, but too narrow and small pipeline is in concrete production process, can damage because of the corruption jam etc. of the impact of heat-conducting medium and raw materials, but shell and tube preheater structure is monolithic structure, the damage or the jam of arbitrary pipeline all need disassemble the maintenance to equipment is whole, thereby need longer downtime when leading to equipment to maintain, and then lead to whole reaction production efficiency's reduction.
Disclosure of Invention
In view of the above, the invention aims to provide an ortho-phenylphenol dehydrogenation preheating gasification device and a use method thereof, so as to solve the problem that the whole equipment needs to be disassembled and maintained when the inside of the existing tubular preheating equipment is damaged or blocked, so that the equipment needs to be maintained for a long time during shutdown and maintenance, and further the whole reaction production efficiency is reduced.
Based on the above purpose, the present invention provides an ortho-phenylphenol dehydrogenation preheating gasification apparatus, comprising: including vertical preheating cabinet, the upper and lower both ends of vertical preheating cabinet are provided with top play feed cylinder and bottom pay-off section of thick bamboo respectively, still include:
the closed preheating bin is arranged inside the vertical preheating box, a plurality of unit installation bins are uniformly arranged in the middle of the closed preheating bin along the direction of a vertical central line, and installation openings are formed in the front surfaces of the unit installation bins;
the unit preheating box is embedded, slid and detachably arranged in the unit installation bin, the unit preheating box and the unit installation bin are mutually matched in size, the outer side surface of the unit preheating box and the inner side surface of the unit installation bin are mutually attached and kept closed, the upper side and the lower side of the unit preheating box are respectively provided with a sealing partition plate, a plurality of preheating conveying pipes are arranged between the sealing partition plates in a penetrating manner, the upper side and the lower side of the rear side surface of the unit preheating box are respectively provided with a nested joint, the unit preheating box is horizontally provided with a central partition plate in the interior, and the edge of the central partition plate is provided with a flow guide conveying port;
vertical conveyer pipe, parallel arrangement in the rear side of vertical preheating cabinet, the upper and lower both ends of vertical conveyer pipe all are provided with the transport interface the intermediate junction of vertical conveyer pipe is provided with a plurality of horizontal connecting pipe, horizontal connecting pipe with unit installation storehouse corresponds the setting each other, the upper and lower both sides in unit installation storehouse all correspond to be connected and are provided with horizontal connecting pipe, horizontal connecting pipe through the nested interface of its front end setting with unit installation storehouse interconnect, nested joint with size is mutually supported between the nested interface.
Further, the installation open-ended outside is provided with horizontal guide cylinder, the unit preheating cabinet with the size is mutually supported between the horizontal guide cylinder, the centre of horizontal guide cylinder is provided with the gomphosis gib block, the inboard gomphosis of gomphosis gib block slides and is provided with the sealed picture peg, seal the picture peg with the size is mutually supported between the horizontal guide cylinder, the front of sealing the picture peg is provided with the closed rack, the outside meshing of closed rack is provided with the closed gear, the axle head of closed gear is provided with the closed motor.
Furthermore, the left side and the right side of the unit installation bin and the horizontal guide cylinder are both provided with guide installation bars in parallel, the left side and the right side of the unit preheating box are provided with guide sliding chutes in parallel, the guide sliding chutes and the guide installation bars are matched with each other in size, the unit preheating box is in sliding connection with the guide installation bars through the guide sliding chutes, the middle of each guide sliding chute is provided with a translation rack, the middle of each guide installation bar is provided with a translation gear, the translation rack and the translation gear are mutually engaged to form a transmission structure, and the shaft end of each translation gear is provided with a translation motor.
Furthermore, a fixed guide rod is arranged between the nesting joint and the nesting interface, a sealing fixture block is arranged on the outer side of the fixed guide rod in a nesting and sliding mode, the sealing fixture block is matched with the nesting joint and the nesting interface in size, a sealing spring is arranged on the rear side of the sealing fixture block, the sealing fixture block pushes the sealing fixture block to keep the nesting joint and the nesting interface closed through the sealing spring, a switch ejector rod is arranged on the front side of the sealing fixture block, the switch ejector rod is matched with the sealing fixture block, and when the nesting joint and the nesting interface are in nesting and sliding connection, the switch ejector rod pushes the sealing fixture block to move towards the rear side to open the nesting joint and the nesting interface.
Further, the centre of vertical conveyer pipe is provided with a plurality of picture peg closed valves, picture peg closed valve with unit installation storehouse one-to-one sets up, the centre of picture peg closed valve is provided with the intercommunication valve way, pass through between the vertical conveyer pipe of both sides about the picture peg closed valve intercommunication valve way communicates each other, the centre level of intercommunication valve way is provided with sealed guide way, the inboard gomphosis of sealed guide way slides and is provided with sealed picture peg, sealed picture peg with the size is mutually supported between the intercommunication valve way, the front side of sealed picture peg is provided with sealing spring, sealed picture peg passes through sealing spring drives and slides to the front side and keep the intercommunication valve way is opened.
Further, sealed picture peg is close to one side of vertical preheating cabinet is provided with the linkage ejector pin, run through in the middle of the rear side in unit installation storehouse and be provided with horizontal uide bushing, the inner of linkage ejector pin is passed through the mutual nested sliding connection of horizontal uide bushing, the linkage ejector pin with the size is mutually supported between the horizontal uide bushing, the unit preheating cabinet slides and imbeds promote during the unit installation storehouse the linkage ejector pin removes with the linkage sealed picture peg seals to the rear side sliding the intercommunication valve way.
Furthermore, the front side parallel arrangement of vertical preheating cabinet has vertical loading and unloading frame, the left and right sides symmetry parallel arrangement of vertical loading and unloading frame has vertical guide rail, the centre of vertical guide rail is provided with vertical rack, the centre of vertical loading and unloading frame is provided with horizontal crane, the left and right sides symmetry of horizontal crane is provided with vertical guide way, horizontal crane passes through vertical guide way with vertical guide rail with vertical loading and unloading frame sliding connection, the centre of vertical guide way is provided with the lifting gear, the lifting gear with intermeshing between the vertical rack, the axle head of loading and unloading gear is provided with elevator motor.
Furthermore, the left side and the right side of the horizontal lifting frame are provided with loading and unloading guide strips, the unit preheating box is connected with the loading and unloading guide strips in a sliding mode through the guide sliding grooves, a loading and unloading gear is arranged in the middle of the loading and unloading guide strips, a loading and unloading motor is arranged at the shaft end of the loading and unloading gear, and the loading and unloading gear and the translation rack are meshed with each other to form a transmission structure.
Furthermore, an annular feeding pipe is arranged in the middle of the bottom end feeding barrel, a plurality of atomizing spray heads are uniformly arranged in the middle of the annular feeding pipe in a surrounding mode, a gasification conveying pipe is connected and arranged above the top end discharging barrel, and a negative pressure fan is arranged in the middle of the gasification conveying pipe.
An application method of a preheating gasification device for dehydrogenation reaction of o-phenylphenol comprises the following steps:
the method comprises the steps of preheating and gasifying raw materials for producing o-phenylphenol through a vertical preheating box, conveying the raw materials to a closed preheating bin inside the vertical preheating box through a bottom feeding barrel, conveying the raw materials from bottom to top, sequentially passing through unit preheating boxes in a plurality of unit installation bins, wherein each unit preheating box is an independent tube type heat exchange mechanism, conveying the raw materials through a plurality of preheating conveying pipes arranged inside the unit preheating box, the preheating conveying pipes penetrate through the unit preheating boxes, enabling the raw materials to sequentially pass through the preheating conveying pipes of all the unit preheating boxes, simultaneously inputting heat-conducting media through conveying interfaces arranged at the upper end and the lower end of each vertical conveying pipe, gradually conveying the heat-conducting media along the vertical conveying pipes, enabling the unit preheating boxes to be mutually connected with horizontal connecting pipes on the vertical conveying pipes for conveying the heat-conducting media through a pull-plug detachable connection structure formed by nested joints and nested joints arranged at the rear side, enabling the upper side and the lower side of each unit preheating box to be respectively connected into the vertical conveying pipes through corresponding horizontal connecting pipes, conveying pipes through the horizontal connecting pipes and the nested joints on the rear side of each unit preheating box, conveying pipes, enabling the heat-conducting media to be finally conveyed to be output to the heat-conducting media through the other horizontal connecting pipes and the heat-conducting tubes through the other horizontal connecting pipes, and the heat-conducting medium preheating boxes, and outputting unit preheating boxes, and finally conveying pipes when the raw materials are conveyed to be preheated to be finally conveyed through the heat-conducting media, and conveyed through the heat-gasifying discharge pipes.
The invention has the beneficial effects that: from the above, according to the preheating and gasifying device for the dehydrogenation reaction of the ortho-phenyl phenol, provided by the invention, the ortho-phenyl phenol production raw material is preheated and gasified through the vertical preheating box, the vertical preheating box is vertically divided into the plurality of unit installation bins, each unit installation bin can be embedded with one unit preheating box, each unit preheating box is an independent tubular heat exchange mechanism, the plurality of preheating conveying pipes are arranged in the unit preheating box and used for conveying the preheating raw material, and the plugging detachable connecting structure formed by the nested joints and the nested joints arranged on the rear side is connected with the vertical conveying pipe for conveying the heat-conducting medium, so that the heat-conducting medium can be conveyed to the inside of the unit preheating box to heat the raw material conveyed in the preheating conveying pipes, and the unit preheating boxes can be horizontally and slidably installed in the unit installation bins or horizontally detached, therefore, when any one unit preheating box is damaged, the unit preheating box can be independently assembled and disassembled, the maintenance can be conveniently and disassembled, or a new unit box can be installed for use, and the whole maintenance difficulty and time of the whole device can be greatly reduced, the maintenance time can be favorably shortened, and the whole reaction production efficiency can be improved.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the internal structure of a vertical preheating chamber according to an embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a backside structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the front structure of a vertical preheating chamber according to an embodiment of the present invention;
fig. 5 is a schematic longitudinal sectional view of a vertical preheating chamber according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a closed preheating bin according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a unit preheating chamber according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a nested joint according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a vertical duct according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a plate insertion closing valve according to an embodiment of the present invention;
fig. 11 is a schematic structural view of the horizontal lifting frame of the embodiment of the invention;
fig. 12 is a schematic structural view of the unit preheating cabinet according to the embodiment of the present invention in an assembled and disassembled state.
Labeled as:
1. a vertical preheating box; 101. sealing the preheating bin; 102. a vertical loading and unloading frame; 103. a vertical guide rail; 104. a vertical rack; 2. a bottom end feeding cylinder; 201. an annular feed tube; 202. an atomizing spray head; 203. a top discharge barrel; 204. a gasification delivery pipe; 205. a negative pressure fan; 3. a unit installation bin; 301. an installation opening; 302. a guide mounting bar; 303. a translation gear; 304. a translation motor; 305. a horizontal guide sleeve; 4. a horizontal guide cylinder; 401. embedding a guide strip; 402. sealing the inserting plate; 403. closing the rack; 404. a closing gear; 405. sealing the motor; 5. a unit preheating box; 501. sealing the partition plate; 502. preheating a conveying pipe; 503. a central spacer plate; 504. a diversion delivery port; 505. a guide chute; 506. translating the rack; 6. nesting the joints; 601. nesting the interfaces; 602. fixing a guide rod; 603. sealing the clamping block; 604. a seal spring; 605. opening and closing the ejector rod; 7. a vertical delivery pipe; 701. a delivery interface; 702. a horizontal connecting pipe; 8. a flashboard closing valve; 801. a valve passage is communicated; 802. sealing the guide groove; 803. sealing the inserting plate; 804. linking a mandril; 805. a closing spring; 9. a horizontal lifting frame; 901. a vertical guide groove; 902. a lifting gear; 903. a lifting motor; 904. assembling and disassembling the guide strip; 905. assembling and disassembling the gear; 906. and (6) assembling and disassembling the motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, and fig. 10, an ortho-phenylphenol dehydrogenation preheating and gasifying apparatus includes a vertical preheating box 1, wherein a top end discharging barrel 203 and a bottom end feeding barrel 2 are respectively disposed at the upper end and the lower end of the vertical preheating box 1, and further includes:
the closed preheating bin 101 is arranged inside the vertical preheating box 1, a plurality of unit installation bins 3 are uniformly arranged in the middle of the closed preheating bin 101 along the direction of a vertical central line, and installation openings 301 are formed in the front faces of the unit installation bins 3;
the unit preheating box 5 is detachably arranged in the unit mounting bin 3 in an embedded sliding mode, the unit preheating box 5 and the unit mounting bin 3 are matched in size, the outer side face of the unit preheating box 5 and the inner side face of the unit mounting bin 3 are attached to each other to be kept closed, the upper side and the lower side of the unit preheating box 5 are provided with sealing partition plates 501, a plurality of preheating conveying pipes 502 penetrate through the sealing partition plates 501, the upper side and the lower side of the rear side face of the unit preheating box 5 are provided with nested joints 6, a central partition plate 503 is horizontally arranged in the unit preheating box 5, and the edge of the central partition plate 503 is provided with a flow guide conveying opening 504;
In this embodiment, the apparatus preheats and gasifies an ortho-phenyl phenol production raw material through a vertical preheating box 1, the vertical preheating box 1 is vertically divided into a plurality of unit installation bins 3, each unit installation bin 3 can be independently embedded with a unit preheating box 5, each unit preheating box 5 is an independent tubular heat exchange mechanism, a plurality of preheating conveying pipes 502 are arranged inside for conveying the preheated raw material, the preheating conveying pipes 502 are arranged through the unit preheating boxes 5, the upper and lower sides of the unit preheating boxes 5 are communicated with each other through the preheating conveying pipes 502, when all the unit preheating boxes 5 are sequentially installed inside the unit installation bins 3, the material conveyed through a bottom feed cylinder 2 at the lower end of the vertical preheating box 1 can pass through the preheating conveying pipes 502 of all the unit preheating boxes 5 from bottom to top, and is preheated and gasified through the preheating conveying pipes 502, the heat of the unit preheating boxes 5 is provided through a heat-conducting medium, the rear side of the vertical conveying pipe 1 is provided with a vertical conveying pipe 7 for conveying the heat-conducting medium, the heat-conducting medium can be conveyed through a conveying interface 701 arranged at any upper and lower end of the vertical conveying pipe 7, the preheating box 5 is connected with a horizontal connecting pipe 702 of the heat-conducting medium which is inserted into the vertical conveying pipe 702, and connected with the unit 5 through a horizontal connecting pipe 702 which is inserted into the heat-conducting medium-transferring unit 5, so that the vertical connecting pipe 702 is inserted into the vertical connecting pipe 702, the heat-conducting medium is conveyed to the inside of the unit preheating boxes 5 through the horizontal connecting pipes 702 and the nested joints 6 on the lower side, and then flows back to the vertical conveying pipes 7 through the nested joints 6 and the horizontal connecting pipes 702 on the upper side of the unit preheating boxes 5, so that the heat-conducting medium sequentially passes through all the unit preheating boxes 5 from bottom to top and is finally output by the other conveying interface 701, meanwhile, the inside of each unit preheating box 5 is horizontally provided with a central partition plate 503, the edge of the central partition plate 503 is provided with a flow guide conveying opening 504, the flow guide conveying openings 504 and the nested joints 6 are oppositely arranged, the flowing distance of the large heat medium is conveniently increased, the efficiency of contact heat exchange between the large heat medium and the preheating conveying pipes 502 is improved, meanwhile, the unit preheating boxes 5 can be horizontally and slidably installed in the unit installation bins 3 or horizontally disassembled, the independent assembling and disassembling can be conveniently carried out when any one unit preheating box 5 is damaged, the unit preheating boxes are conveniently and quickly maintained or new unit preheating boxes 5 are installed for use, and therefore the whole maintenance difficulty and time of the device can be greatly reduced, the shutdown maintenance time is favorably shortened, and the whole reaction production efficiency is improved.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, a horizontal guide cylinder 4 is provided outside the installation opening 301, the unit preheating box 5 and the horizontal guide cylinder 4 are mutually matched in size, an embedding guide strip 401 is provided in the middle of the horizontal guide cylinder 4, a sealing insertion plate 402 is slidably provided inside the embedding guide strip 401, the sealing insertion plate 402 and the horizontal guide cylinder 4 are mutually matched in size, a sealing rack 403 is provided on the front surface of the sealing insertion plate 402, a sealing gear 404 is engaged with the outside of the sealing rack 403, a sealing motor 405 is provided at the shaft end of the sealing gear 404, guide installation strips 302 are provided in parallel on both the left and right sides of the unit installation bin 3 and the horizontal guide cylinder 4, guide chutes 505 are provided in parallel on both the left and right sides of the unit preheating box 5, the guide chutes 505 and the guide installation strips 302 are mutually matched in size, the unit preheating boxes 5 are connected with the guide mounting bar 302 in a sliding manner through a guide sliding chute 505, a translation rack 506 is arranged in the middle of the guide sliding chute 505, a translation gear 303 is arranged in the middle of the guide mounting bar 302, the translation rack 506 and the translation gear 303 are meshed with each other to form a transmission structure, a translation motor 304 is arranged at the shaft end of the translation gear 303, the device preheats and gasifies raw materials through a heat exchange mechanism formed by stacking a plurality of independent unit preheating boxes 5, each unit preheating box 5 is independently and slidably mounted in the corresponding unit mounting bin 3 so as to be convenient for fast loading and unloading maintenance of the unit preheating boxes 5, the unit preheating boxes 5 are loaded into the unit mounting bin 3 through a mounting opening 301 in the front of the unit mounting bin 3 or unloaded from the unit mounting bin 3, when the unit preheating boxes 5 are loaded into the unit mounting bin 3, the mounting opening 301 is sealed through the front of the unit preheating boxes 5, and the unit preheating box 5 is connected with the guide mounting bar 302 in a sliding manner through the guide sliding chute 505, the translation motor 304 can drive the unit preheating box 5 to translate through the translation gear 303 and the translation rack 506 so as to load and unload the unit preheating box 5, and meanwhile, the horizontal guide cylinder 4 is also arranged outside the mounting opening 301, when the unit preheating box 5 is loaded and unloaded along the mounting opening 301, the unit preheating box can be guided and conveyed through the horizontal guide cylinder 4, so that the unit preheating box is more convenient and quicker to use, and the horizontal guide cylinder 4 can be sealed through the sliding sealing insertion plate 402 so as to maintain the overall sealing performance of the sealed preheating bin 101 and the unit mounting bin 3 after the corresponding unit preheating box 5 is disassembled, so that after the corresponding unit preheating box 5 is disassembled, the nested interface 601 at the rear side of the corresponding unit mounting bin 3 can be sealed, a heat-conducting medium can directly bypass the unit mounting bin 3 through the vertical conveying pipe 7, and further the whole device can still normally perform preheating gasification work after the corresponding unit preheating box 5 is disassembled, so that when the unit preheating box 5 is disassembled, the normal operation of the device can be maintained, thereby further improving the overall production reaction and production shutdown efficiency can be further shortened.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, preferably, a fixed guide rod 602 is disposed between the nesting joint 6 and the nesting interface 601, a sealing block 603 is slidably disposed outside the fixed guide rod 602 in a nested manner, the sealing block 603 is cooperatively disposed with the nesting joint 6 and the nesting interface 601 in size, a sealing spring 604 is disposed at the rear side of the sealing block 603, the sealing block 603 pushes the nested joint 6 and the nesting interface 601 to be closed by the sealing spring 604, a switch plunger 605 is disposed at the front side of the sealing block 603, the switch plunger 605 and the sealing block 603 are cooperatively disposed, when the nesting joint 6 and the nesting interface 601 are slidably connected with each other, the switch plunger 605 pushes the sealing block 603 to move toward the rear side to open the nesting joint 6 and the nesting interface 601 by pressing against the sealing block 603, the apparatus preheats and gasifies the raw materials by a heat exchange mechanism formed by stacking a plurality of independent unit preheating boxes 5, and each unit 5 is slidably mounted in the corresponding unit mounting bin 3, so as to facilitate the rapid maintenance of the preheating boxes 5, and the preheating boxes can be maintained by the heat transfer medium between the heat transfer unit 5 and the heat transfer pipe 702, the heat transfer unit 702, the heat transfer pipe 702 can be maintained by the heat transfer unit 702 disposed in the heat transfer unit 702, the heat transfer unit 5, when the nested joint 6 and the nested joint 601 are mutually nested and slidably connected, the switch top rod 605 pushes the sealing clamp block 603 to move towards the rear side to open the nested joint 6 and the nested joint 601, so that the nested joint 6 and the nested joint 601 can be mutually communicated, the unit preheating box 5 is synchronously connected into the vertical conveying pipe 7 when being slidingly installed into the unit installation bin 3 towards the inner side, and when the unit preheating box 5 slides towards the outer side and is disassembled from the unit installation bin 3, the nested joint 6 and the nested joint 601 are mutually separated, the sealing clamp block 603 loses the pushing force of the switch top rod 605 and pushes the nested joint 6 and the nested joint 601 to be closed through the sealing spring 604, so that the nested joint 6 and the nested joint 601 are synchronously closed when the unit preheating box 5 is disassembled, the required unit preheating box 5 can be assembled and disassembled and maintained when the device runs, the normal running of the device is maintained, the maintenance work can be carried out without stopping, and the whole reaction production efficiency is improved.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, a plurality of insertion plate closing valves 8 are arranged in the middle of the vertical conveying pipes 7, the insertion plate closing valves 8 are arranged in one-to-one correspondence with the unit installation bins 3, a communication valve passage 801 is arranged in the middle of the insertion plate closing valves 8, the vertical conveying pipes 7 on the upper and lower sides of the insertion plate closing valves 8 are communicated with each other through the communication valve passage 801, a sealing guide groove 802 is horizontally arranged in the middle of the communication valve passage 801, a sealing insertion plate 803 is slidably arranged inside the sealing guide groove 802, the sealing insertion plate 803 and the communication valve passage 801 are mutually matched in size, a closing spring 805 is arranged on the front side of the sealing insertion plate 803, the sealing insertion plate 803 is driven by the closing spring to slide forward to keep the communication valve passage 801 open, a linkage ejector pin 804 is arranged on one side of the sealing insertion plate 803 close to the vertical preheating box 1, the middle of the rear side of the unit installation bin 3 is provided with a horizontal guide sleeve 305 in a penetrating way, the inner ends of the linkage ejector rods 804 are mutually nested and slidably connected through the horizontal guide sleeve 305, the linkage ejector rods 804 are mutually matched with the horizontal guide sleeve 305 in size, when the unit preheating boxes 5 are slidably embedded into the unit installation bin 3, the linkage ejector rods 804 are pushed to move backwards so as to slide backwards to seal the communicating valve channel 801 in a sealing way, the device preheats and gasifies raw materials through a heat exchange mechanism formed by stacking a plurality of independent unit preheating boxes 5, each unit preheating box 5 is independently and slidably installed in the corresponding unit installation bin 3 so as to carry out quick loading and unloading maintenance on the unit preheating boxes 5, and the unit preheating boxes 5 are mutually connected with a horizontal connecting pipe 702 on a vertical conveying pipe 7 for conveying heat-conducting media through a pull-plug detachable connection structure formed by a nesting joint 6 and a nesting joint 601 arranged at the rear side, the heat-conducting medium can enter the corresponding unit preheating boxes 5 through a plurality of horizontal connecting pipes 702 on the vertical conveying pipes 7 respectively, and is in contact with the preheating conveying pipes 502 arranged in the unit preheating boxes 5 to perform heat exchange and heating, meanwhile, a plurality of inserting plate closing valves 8 are arranged in the middle of the vertical conveying pipes 7, each unit mounting bin 3 is correspondingly provided with one inserting plate closing valve 8, when the unit preheating boxes 5 are mounted in the unit mounting bins 3, the linkage ejector rods 804 can be jacked and pressed through the unit preheating boxes 5 to push the linkage ejector rods 804 to move backwards so as to slide the linkage sealing inserting plates 803 backwards to close the communication valve channels 801, so that the heat-conducting medium can be blocked when being conveyed along the vertical conveying pipes 7, the heat-conducting medium can be conveyed along the corresponding horizontal connecting pipes 702, the heat-conducting medium can pass through the unit preheating boxes 5 to improve the heat exchange efficiency, when the unit preheating boxes 5 in the corresponding unit mounting bins 3 are horizontally slid and disassembled, the linkage ejector rods 804 are limited so that the sealing inserting plates 803 are driven to slide forwards to keep the communication valve channels 801 open through the corresponding horizontal connecting pipes 702, meanwhile, the nested interfaces on the horizontal connecting pipes 702 are also closed synchronously, when the unit preheating boxes 5, the heat-conveying pipes 601, the heat-conducting medium can be conveniently maintained, and the heat-exchanging efficiency can be reduced, and the heat-transferring units can be more conveniently performed after the heat-transferring units 7 are mounted in the vertical conveying bins 3, and the heat-exchanging system.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, a vertical loading and unloading frame 102 is arranged in parallel at the front side of the vertical preheating box 1, vertical guide rails 103 are symmetrically arranged in parallel at the left and right sides of the vertical loading and unloading frame 102, a vertical rack 104 is arranged in the middle of the vertical guide rail 103, a horizontal lifting frame 9 is arranged in the middle of the vertical loading and unloading frame 102, vertical guide grooves 901 are symmetrically arranged at the left and right sides of the horizontal lifting frame 9, the horizontal lifting frame 9 is connected with the vertical loading and unloading frame 102 in a sliding manner through the vertical guide grooves 901 and the vertical guide rails 103, a lifting gear 902 is arranged in the middle of the vertical guide groove 901, the lifting gear 902 is engaged with the vertical rack 104, a lifting motor 903 is arranged at the shaft end of the loading and unloading gear 905, loading and unloading guide bars 904 are arranged at the left and right sides of the horizontal lifting frame 9, the unit preheating box 5 is connected with the loading and unloading guide bars 904 in a sliding manner through a guide chute 505, the middle of the loading and unloading guide strip 904 is provided with a loading and unloading gear 905, the shaft end of the loading and unloading gear 905 is provided with a loading and unloading motor 906, the loading and unloading gear 905 and the translation rack 506 are meshed with each other to form a transmission structure, the device preheats and gasifies raw materials through a heat exchange mechanism formed by stacking a plurality of independent unit preheating boxes 5, each unit preheating box 5 is independently and slidably installed in the corresponding unit installation bin 3 so as to be convenient for quickly loading and unloading maintenance of the unit preheating boxes 5, the device is also provided with an auxiliary loading and unloading structure, the front side of the vertical preheating box 1 is provided with a vertical loading and unloading frame 102 in parallel, the lifting motor 903 can drive the horizontal lifting frame 9 to move up and down in the vertical loading and unloading frame 102 along the vertical guide rail 103 through the lifting gear 902 and the vertical rack 104 so as to adjust the height of the horizontal lifting frame 9 and enable the horizontal lifting frame to move to the front of the unit installation bin 3 with the corresponding height, the unit preheating box 5 can slide and be detached outwards along the guide mounting bar 302 in the unit mounting bin 3 and the embedded guide bar 401 in the horizontal guide cylinder 4, and is translated into the horizontal lifting frame 9 and slides along the assembling and disassembling guide bar 904 in the horizontal lifting frame 9, the assembling and disassembling motor 906 pulls the unit preheating box 5 through the assembling and disassembling gear 905 and the translation rack 506 to finish moving to the horizontal lifting frame 9, or the unit preheating box 5 is horizontally slid and assembled into the unit mounting bin 3 from the horizontal lifting frame 9, and therefore the unit preheating box 5 can be assembled and disassembled more conveniently and rapidly.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, an annular feeding pipe 201 is arranged in the middle of a bottom feeding barrel 2, a plurality of atomizing nozzles 202 are uniformly arranged in the middle of the annular feeding pipe 201, a gasification conveying pipe 204 is connected and arranged above the top discharging barrel 203, a negative pressure fan 205 is arranged in the middle of the gasification conveying pipe 204, the device preheats and gasifies the raw material for producing o-phenylphenol through a vertical preheating box 1, the raw material is conveyed to a closed preheating bin 101 in the vertical preheating box 1 through the bottom feeding barrel 2, and is preheated and gasified through a plurality of unit preheating boxes 5 in sequence and is conveyed out from the top discharging barrel 203, when feeding is performed, the raw material is conveyed through the annular feeding pipe 201 and is atomized and sprayed out through the atomizing nozzles 202 to improve the preheating and gasifying efficiency of the raw material, and the negative pressure fan 205 arranged in the gasification conveying pipe 204 can form a negative pressure airflow from bottom to top so as to facilitate the preheating and gasifying of the raw material.
When in use, corresponding pipelines of the device are firstly connected, then the raw materials for producing the o-phenylphenol are preheated and gasified through the vertical preheating box 1, the raw materials are conveyed to the closed preheating bin 101 in the vertical preheating box 1 through the bottom end feeding barrel 2, the raw materials are conveyed through the annular feeding pipe 201 and are atomized and sprayed out through the atomizing spray head 202 so as to improve the preheating and gasifying efficiency of the raw materials, the negative pressure fan 205 arranged in the gasifying conveying pipe 204 can form negative pressure airflow from bottom to top so as to facilitate the raw materials to be conveyed from bottom to top for preheating and gasifying, the raw materials sequentially pass through the unit preheating boxes 5 in the unit mounting bins 3, each unit preheating box 5 is an independent tubular heat exchange mechanism, the raw materials are conveyed through the preheating conveying pipes 502 arranged in the unit preheating boxes 5, and the preheating conveying pipes 502 penetrate through the unit preheating boxes 5, raw materials sequentially pass through the preheating conveying pipes 502 of all unit preheating boxes 5, meanwhile, heat-conducting media are input through the conveying interfaces 701 arranged at the upper and lower ends of the vertical conveying pipes 7 and are gradually conveyed along the vertical conveying pipes 7, the unit preheating boxes 5 are mutually connected with the horizontal connecting pipes 702 on the vertical conveying pipes 7 for conveying the heat-conducting media through the pull-plug detachable connecting structure formed by the nested joints 6 and the nested joints 601 arranged at the rear sides, the upper and lower sides of the rear sides of each unit preheating box 5 are respectively connected into the vertical conveying pipes 7 through the corresponding horizontal connecting pipes 702, the heat-conducting media are conveyed into the unit preheating boxes 5 through the horizontal connecting pipes 702 and the nested joints 6 at the lower sides, then the heat-conducting media flow back to the vertical conveying pipes 7 through the nested joints 6 and the horizontal connecting pipes 702 at the upper sides of the unit preheating boxes 5, and the heat-conducting media sequentially pass through all the unit preheating boxes 5 from bottom to top, and finally, the raw material is output by another conveying interface 701, when the raw material is conveyed along a preheating conveying pipe 502, the raw material exchanges heat with a heat-conducting medium, heating, preheating and gasification are carried out, and finally, the raw material is output by a top end discharge barrel 203, the preheating and gasification work of the raw material is finished, when the device needs maintenance, a lifting motor 903 drives a horizontal lifting frame 9 to move up and down in a vertical loading and unloading frame 102 along a vertical guide rail 103 through a lifting gear 902 and a vertical rack 104, so that the raw material moves to the front of a unit installation bin 3 with a corresponding height, then a sealing motor 405 drives a sealing insertion plate 402 to horizontally slide through a sealing gear 404 and a sealing rack 403, the horizontal guide barrel 4 is opened, then a translation motor 304 drives a unit preheating box 5 to translate through a translation gear 303 and a translation rack 506, so that the unit preheating box 5 moves to a horizontal guide barrel 4 along the unit installation bin 3 and further moves to the horizontal lifting frame 9, at the time, the nesting joint 6 and the nesting interface 601 are separated from each other, a sealing fixture block 603 pushes the nesting joint 6 and the nesting joint 601 through a sealing spring 604 to keep the nesting joint 601 and the nesting joint 601 closed and the nesting joint 601 through a sealing spring 604 through a sealing spring 605, so that the sealing rack 103 and the horizontal guide rail 103 is pushed by a sealing rack 103 and the vertical guide barrel 103 is completely pushed by a sealing rack 103, so that the horizontal guide rail 401 is pushed by a sealing rack 103, when the vertical lifting frame 401 is completely pulled down, the unit preheating box 103, the horizontal guide barrel 401 is completely pulled, the horizontal guide barrel 401 is pulled by a sealing rack 401, the sealing rack 103, the horizontal guide barrel 401 is opened, the horizontal guide barrel 401, the vertical guide barrel 401 is completely, the vertical guide barrel 401 is closed, when the unit preheating boxes 5 are loaded, the horizontal lifting frame 9 drives the unit preheating boxes 5 to move to the front of the corresponding unit installation bin 3, the loading and unloading motor 906 drives the unit preheating boxes 5 to move horizontally through the loading and unloading gear 905 and the translation rack 506, the horizontal lifting frame 9 moves horizontally to the horizontal guide cylinder 4, then the closed inserting plate 402 slides horizontally to open the horizontal guide cylinder 4, the unit preheating boxes 5 continue to move horizontally to the unit installation bin 3, and when the nested joint 6 and the nested joint 601 are nested and slidably connected with each other, the switch ejector rod 605 pushes the sealing clamping block 603 to move backwards to open the nested joint 6 and the nested joint 601, so that the nested joint 6 and the nested joint 601 are mutually communicated, the unit preheating boxes 5 are synchronously connected into the vertical conveying pipe 7 when sliding inwards to be loaded into the unit installation bin 3, and then the closed inserting plate 402 slides horizontally to be closed, so that the installation work of the unit preheating boxes 5 is completed.
A use method of an o-phenylphenol dehydrogenation preheating gasification device comprises the following steps: the method comprises the steps of preheating and gasifying raw materials for producing o-phenylphenol through a vertical preheating box 1, conveying the raw materials to a closed preheating bin 101 in the vertical preheating box 1 through a bottom end feeding barrel 2, conveying the raw materials from bottom to top and sequentially passing through unit preheating boxes 5 in a plurality of unit mounting bins 3, wherein each unit preheating box 5 is an independent tube type heat exchange mechanism, conveying the raw materials through a plurality of preheating conveying pipes 502 arranged in the unit preheating boxes 5, the preheating conveying pipes 502 penetrate through the unit preheating boxes 5, so that the raw materials sequentially pass through the preheating conveying pipes 502 of all the unit preheating boxes 5, meanwhile, heat-conducting media are input through conveying interfaces 701 arranged at any upper end and lower end of the vertical conveying pipe 7, and are gradually conveyed along the vertical conveying pipe 7, the unit preheating boxes 5 are connected with horizontal connecting pipes 702 on vertical conveying pipes 7 for conveying heat-conducting media through a pull-plug detachable connection structure formed by nested joints 6 and nested interfaces 601 arranged on the rear side, the upper side and the lower side of the rear side of each unit preheating box 5 are respectively connected into the vertical conveying pipes 7 through the corresponding horizontal connecting pipes 702, the heat-conducting media are conveyed into the unit preheating boxes 5 through the horizontal connecting pipes 702 and the nested joints 6 on the lower side, then flow back to the vertical conveying pipes 7 through the nested joints 6 and the horizontal connecting pipes 702 on the upper sides of the unit preheating boxes 5, so that the heat-conducting media sequentially pass through all the unit preheating boxes 5 from bottom to top and are finally output through the other conveying interface 701, and when the raw materials are conveyed along the preheating conveying pipes 502, the raw materials are subjected to heat exchange with the heat-conducting media to be heated, preheated and gasified, and finally output through the top discharging barrel 203, so that the preheating and gasification work of the raw materials is completed.
According to the preheating and gasifying device for the dehydrogenation reaction of the ortho-phenyl phenol, the ortho-phenyl phenol production raw materials are preheated and gasified through the vertical preheating box 1, the vertical preheating box 1 is vertically divided into the unit installation bins 3, each unit installation bin 3 can be embedded with one unit preheating box 5, each unit preheating box 5 is an independent tubular heat exchange mechanism, the interior of the unit preheating box 1 is provided with the preheating conveying pipes 502 for conveying the preheating raw materials, the unit preheating boxes 5 can be horizontally and slidably installed in the unit installation bins 3 or horizontally disassembled through the pull-plug detachable connecting structure formed by the nesting connectors 6 and the nesting connectors 601 arranged on the rear side and the vertical conveying pipes 7 for conveying the heat conducting media, so that the heat conducting media can be conveyed to the interior of the unit preheating boxes 5 to heat the raw materials conveyed in the preheating conveying pipes 502, and the unit preheating boxes 5 can be horizontally and slidably installed in the unit installation bins 3 or horizontally disassembled, therefore, when any one unit preheating box 5 is damaged, the unit preheating boxes can be independently assembled and disassembled, so that the maintenance and the maintenance of the unit preheating boxes can be quickly carried out, or the new unit preheating boxes 5 can be installed for use, and the maintenance difficulty and the maintenance of the whole device can be greatly reduced, the maintenance time can be beneficial to improve the shutdown reaction production efficiency of the whole production and the whole production efficiency of the shutdown reaction.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides an ortho-phenyl phenol dehydrogenation preheats gasification equipment, including vertical preheating cabinet (1), the upper and lower both ends of vertical preheating cabinet (1) are provided with top ejection of compact section of thick bamboo (203) and bottom pay-off section of thick bamboo (2) respectively, its characterized in that still includes:
the preheating device comprises a closed preheating bin (101) which is arranged inside the vertical preheating box (1), wherein a plurality of unit installation bins (3) are uniformly arranged in the middle of the closed preheating bin (101) along the direction of a vertical central line, and installation openings (301) are formed in the front surfaces of the unit installation bins (3);
the unit preheating box (5) is detachably arranged in the unit installation bin (3) in a jogged sliding mode, the unit preheating box (5) and the unit installation bin (3) are matched with each other in size, the outer side face of the unit preheating box (5) and the inner side face of the unit installation bin (3) are mutually attached and kept closed, the upper side and the lower side of the unit preheating box (5) are respectively provided with a sealing partition plate (501), a plurality of preheating conveying pipes (502) penetrate through the sealing partition plates (501), the upper side and the lower side of the rear side face of the unit preheating box (5) are respectively provided with a nested joint (6), the inside of the unit preheating box (5) is horizontally provided with a central partition plate (503), and the edge of the central partition plate (503) is provided with a flow guide conveying port (504);
vertical conveyer pipe (7), parallel arrangement in the rear side of vertical preheating cabinet (1), the upper and lower both ends of vertical conveyer pipe (7) all are provided with transport interface (701) the intermediate connection of vertical conveyer pipe (7) is provided with a plurality of horizontal connecting pipe (702), horizontal connecting pipe (702) with unit installation storehouse (3) corresponds the setting each other, the upper and lower both sides of unit installation storehouse (3) all correspond to connect and are provided with horizontal connecting pipe (702), horizontal connecting pipe (702) through nested interface (601) that its front end set up with unit installation storehouse (3) interconnect, nested joint (6) with the size is mutually supported between nested interface (601).
2. The preheating and gasifying device for the dehydrogenation reaction of the ortho-phenyl phenol according to claim 1, wherein a horizontal guide cylinder (4) is arranged on the outer side of the installation opening (301), the unit preheating box (5) and the horizontal guide cylinder (4) are matched with each other in size, an embedding guide strip (401) is arranged in the middle of the horizontal guide cylinder (4), a sealing insertion plate (402) is slidably arranged on the inner side of the embedding guide strip (401), the sealing insertion plate (402) is matched with the horizontal guide cylinder (4) in size, a sealing rack (403) is arranged on the front face of the sealing insertion plate (402), a sealing gear (404) is arranged on the outer side of the sealing rack (403) in a meshed mode, and a sealing motor (405) is arranged at the shaft end of the sealing gear (404).
3. The o-phenylphenol dehydrogenation reaction preheating gasification device according to claim 2, wherein guide mounting bars (302) are arranged in parallel on the left and right sides of the unit mounting bin (3) and the horizontal guide cylinder (4), guide chutes (505) are arranged in parallel on the left and right sides of the unit preheating box (5), the guide chutes (505) and the guide mounting bars (302) are matched in size, the unit preheating box (5) is connected with the guide mounting bars (302) in a sliding manner through the guide chutes (505), a translation rack (506) is arranged in the middle of the guide chutes (505), a translation gear (303) is arranged in the middle of the guide mounting bars (302), the translation rack (506) and the translation gear (303) are meshed with each other to form a transmission structure, and a translation motor (304) is arranged at the shaft end of the translation gear (303).
4. The preheating gasification device for the dehydrogenation reaction of o-phenylphenol according to claim 1, wherein a fixed guide rod (602) is arranged between the nested joint (6) and the nested joint (601), a sealing clamping block (603) is slidably arranged on the outer side of the fixed guide rod (602), the sealing clamping block (603) is matched with the nested joint (6) and the nested joint (601) in size, a sealing spring (604) is arranged on the rear side of the sealing clamping block (603), the sealing clamping block (603) is pushed by the sealing spring (604) to keep the nested joint (6) and the nested joint (601) closed, a switch push rod (605) is arranged on the front side of the sealing clamping block (603), the switch push rod (605) is matched with the sealing clamping block (603), and when the nested joint (6) and the nested joint (601) are slidably connected with each other, the switch push rod (605) pushes the sealing clamping block (603) to move backwards to open the nested joint (6) and the nested joint (601).
5. The ortho-phenyl phenol dehydrogenation reaction preheats gasification equipment according to claim 1, characterized in that, the centre of vertical conveyer pipe (7) is provided with a plurality of picture peg closing valve (8), picture peg closing valve (8) with unit installation storehouse (3) one-to-one sets up, the centre of picture peg closing valve (8) is provided with intercommunication valve way (801), pass through between vertical conveyer pipe (7) of picture peg closing valve (8) upper and lower both sides intercommunication valve way (801) each other, the centre level of intercommunication valve way (801) is provided with sealed guide way (802), the inboard gomphosis slip of sealed guide way (802) is provided with sealed picture peg (803), sealed picture peg (803) with the size is mutually supported between intercommunication valve way (801), the front side of sealed picture peg (803) is provided with sealing spring (805), sealed picture peg (803) pass through sealing spring (805) drive forward sideslip and keep intercommunication valve way (801) are open.
6. The ortho-phenylphenol dehydrogenation reaction preheating gasification device according to claim 5, wherein said sealing insert plate (803) is close to one side of said vertical preheating box (1) and is provided with a linkage ejector pin (804), said unit installation bin (3) is provided with a horizontal guide sleeve (305) in the middle of its rear side, the inner end of said linkage ejector pin (804) is passed through said horizontal guide sleeve (305) mutual nested sliding connection, said linkage ejector pin (804) and said horizontal guide sleeve (305) are mutually matched in size, said unit preheating box (5) is slidably embedded into said unit installation bin (3) to push said linkage ejector pin (804) to move backward to link said sealing insert plate (803) to slide backward to close said communication valve way (801).
7. The ortho-phenylphenol dehydrogenation reaction preheating gasification device according to claim 3, wherein a vertical loading and unloading rack (102) is arranged in parallel on the front side of the vertical preheating box (1), vertical guide rails (103) are symmetrically arranged in parallel on the left and right sides of the vertical loading and unloading rack (102), a vertical rack (104) is arranged in the middle of each vertical guide rail (103), a horizontal lifting rack (9) is arranged in the middle of the vertical loading and unloading rack (102), vertical guide grooves (901) are symmetrically arranged on the left and right sides of the horizontal lifting rack (9), the horizontal lifting rack (9) is slidably connected with the vertical loading and unloading rack (102) through the vertical guide grooves (901) and the vertical guide rails (103), a lifting gear (902) is arranged in the middle of each vertical guide groove (901), the lifting gear (902) and the vertical rack (104) are engaged with each other, and a lifting motor (903) is arranged at the shaft end of the loading and unloading gear (905).
8. The ortho-phenylphenol dehydrogenation reaction preheating gasification device according to claim 7, wherein the horizontal lifting frame (9) is provided with loading and unloading guide bars (904) on both sides, the unit preheating box (5) is slidably connected with the loading and unloading guide bars (904) through the guide sliding grooves (505), a loading and unloading gear (905) is arranged in the middle of the loading and unloading guide bars (904), a loading and unloading motor (906) is arranged at the shaft end of the loading and unloading gear (905), and the loading and unloading gear (905) and the translation rack (506) are engaged with each other to form a transmission structure.
9. The preheating gasification device for the dehydrogenation reaction of o-phenylphenol according to claim 1, wherein an annular feeding pipe (201) is arranged in the middle of the bottom feeding barrel (2), a plurality of atomizing nozzles (202) are uniformly arranged in the middle of the annular feeding pipe (201) in a surrounding manner, a gasification conveying pipe (204) is connected above the top discharging barrel (203), and a negative pressure fan (205) is arranged in the middle of the gasification conveying pipe (204).
10. Use of the ortho-phenylphenol dehydrogenation reaction pre-heating gasification apparatus according to any of claims 1-9, characterized by comprising the steps of:
the method comprises the steps of preheating and gasifying raw materials for producing o-phenylphenol through a vertical preheating box (1), conveying the raw materials to a closed preheating bin (101) in the vertical preheating box (1) through a bottom end feeding cylinder (2), conveying the raw materials from bottom to top, sequentially passing through unit preheating boxes (5) in a plurality of unit installation bins (3), wherein each unit preheating box (5) is an independent tube type heat exchange mechanism, the raw materials are conveyed through a plurality of preheating conveying pipes (502) arranged in the unit preheating boxes (5), the preheating conveying pipes (502) penetrate through the unit preheating boxes (5), the raw materials sequentially pass through the preheating conveying pipes (502) of all the unit preheating boxes (5), meanwhile, heat-conducting media are input through conveying interfaces (701) arranged at any upper end and lower ends of the vertical conveying pipes (7), the heat-conducting media are gradually conveyed along the vertical conveying pipes (7), the unit preheating boxes (5) are connected with horizontal connecting pipes (702) on the vertical preheating boxes (7) for conveying the heat-conducting media through a heat-inserting detachable connecting structure formed by nesting joints (6) arranged at the rear sides and nesting joints (601), the preheating boxes are connected with horizontal connecting pipes (702) on the vertical preheating boxes (7), and the preheating boxes are connected with the horizontal connecting pipes (702) arranged at the upper side and the lower sides of the heat-inserting and the horizontal connecting pipes (702) respectively, and the horizontal connecting pipes (702) corresponding to the vertical conveying units (5), then the raw materials flow back to the vertical conveying pipe (7) through the nested joint (6) and the horizontal connecting pipe (702) on the upper side of the unit preheating box (5), so that the heat-conducting media sequentially pass through all the unit preheating boxes (5) from bottom to top and are finally output through the other conveying interface (701), the raw materials exchange heat with the heat-conducting media when being conveyed along the preheating conveying pipe (502), heating, preheating and gasifying are carried out, and the raw materials are finally output through the top end discharging barrel (203), and the preheating and gasifying work of the raw materials is completed.
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| CN202211629592.4A CN115628638B (en) | 2022-12-19 | 2022-12-19 | Preheating gasification device for dehydrogenation reaction of o-phenylphenol and use method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2213307C2 (en) * | 2001-11-28 | 2003-09-27 | Лысенко Александр Иванович | Water boiler |
| CN107857321A (en) * | 2017-11-07 | 2018-03-30 | 西安协力动力科技有限公司 | A kind of technique for Waste Water From Fire Power Plant zero discharge treatment |
| CN210340878U (en) * | 2019-06-28 | 2020-04-17 | 陆飞浩 | Fermentation air pretreatment system applying plate-fin heat exchange technology |
| CN214361085U (en) * | 2021-01-18 | 2021-10-08 | 宁夏天源石化有限责任公司 | Purification device for crude benzene hydrogenation production |
| CN115138298A (en) * | 2022-09-05 | 2022-10-04 | 山东新港化工有限公司 | Production device for dehydrogenation reaction of o-phenylphenol and use method thereof |
-
2022
- 2022-12-19 CN CN202211629592.4A patent/CN115628638B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2213307C2 (en) * | 2001-11-28 | 2003-09-27 | Лысенко Александр Иванович | Water boiler |
| CN107857321A (en) * | 2017-11-07 | 2018-03-30 | 西安协力动力科技有限公司 | A kind of technique for Waste Water From Fire Power Plant zero discharge treatment |
| CN210340878U (en) * | 2019-06-28 | 2020-04-17 | 陆飞浩 | Fermentation air pretreatment system applying plate-fin heat exchange technology |
| CN214361085U (en) * | 2021-01-18 | 2021-10-08 | 宁夏天源石化有限责任公司 | Purification device for crude benzene hydrogenation production |
| CN115138298A (en) * | 2022-09-05 | 2022-10-04 | 山东新港化工有限公司 | Production device for dehydrogenation reaction of o-phenylphenol and use method thereof |
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