CN118513006A - Stirring reaction kettle for polyester resin production reaction - Google Patents
Stirring reaction kettle for polyester resin production reaction Download PDFInfo
- Publication number
- CN118513006A CN118513006A CN202410982742.2A CN202410982742A CN118513006A CN 118513006 A CN118513006 A CN 118513006A CN 202410982742 A CN202410982742 A CN 202410982742A CN 118513006 A CN118513006 A CN 118513006A
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- stirring
- assembly
- gear
- plate
- block
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- 238000003756 stirring Methods 0.000 title claims abstract description 146
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 56
- 229920001225 polyester resin Polymers 0.000 title claims abstract description 34
- 239000004645 polyester resin Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/005—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the outlet side being of particular interest
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a stirring reaction kettle for polyester resin production reaction, which comprises a kettle body, wherein an access door is embedded in the side surface of the top of the kettle body, and a feeding pipe vertically penetrates through the top of the kettle body; a central shaft assembly is arranged at the central axis of the inner part of the kettle body; the outer wall of the middle shaft tube is provided with a self-cleaning assembly, the top of the self-cleaning assembly is provided with an agitating assembly, the outer part of the middle shaft tube is concentrically provided with a main gear ring, and the main gear ring is arranged on the outer side of the agitating assembly; the outer wall of the middle shaft tube is provided with an outward movement driving component which is connected with the top end of the stirring component; an exhaust joint is arranged at the position of the outer wall of the middle shaft tube opposite to the stirring assembly. The self-cleaning assembly can vertically scrape attachments on the outer wall of the stirring plate, then transversely push the attachments into the middle shaft tube, and the helical blades can convey cleaned deposits upwards, so that the attachments of the stirring assembly can be automatically moved outwards, the cleaning frequency of workers is reduced, and the deposits moved outwards to the main box body can be pumped out through the negative pressure of the material pumping pump.
Description
Technical Field
The invention relates to the technical field of polyester resin production reaction kettles, in particular to a stirring reaction kettle for polyester resin production reaction.
Background
The polyester resins are largely classified into saturated polyester resins and unsaturated polyester resins. The production process of the polyester resin mainly comprises the following steps: synthesis of polyols and polyacids: carrying out polycondensation reaction on polyalcohol and polybasic acid under the action of a catalyst to generate polyester resin;
When the polyester resin is produced in a reaction way, the materials which are prepared for the first time are in the form of slurry, have a certain consistency, and cause residues to adhere to a stirring rod in a reaction kettle, so that the stirring effect of the stirring rod can be influenced for a long time, the adhesion condition of particles is more and more serious, at the moment, the materials need to be manually entered into the reaction kettle through a ladder frame to be washed, the maintenance time is long, and the production continuity is influenced;
Therefore, there is a need for a stirred tank reactor for polyester resin production reaction that can quickly clean up the stirring assembly and improve the maintenance efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a stirring reaction kettle for polyester resin production reaction, which solves the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The stirring reaction kettle for the polyester resin production reaction comprises a kettle body, wherein an access door is embedded in the side surface of the top of the kettle body, and a feeding pipe vertically penetrates through the top of the kettle body; a central shaft assembly is arranged at the central axis of the inner part of the kettle body, and comprises a central shaft tube, a helical blade and a three-way joint; the middle shaft tube is rotationally arranged in the middle of the kettle body, the top end of the middle shaft tube extends out of the top surface of the kettle body, a helical blade is arranged in the middle shaft tube, the top end of the middle shaft tube is rotationally connected with the main box body, the middle shaft tube is communicated with the main box body, the side part of the main box body is communicated with a three-way joint, the three-way joint is connected with the air supply host and the material suction pump in parallel, a first gear is arranged at the top end of the outer wall of the middle shaft tube, the first gear is in meshed connection with a first motor, the top end of the helical blade is connected with a second gear, the second gear is arranged at the top of the main box body, and the second gear is in transmission connection with a second motor;
The outer wall of the middle shaft tube is provided with a self-cleaning assembly, the top of the self-cleaning assembly is provided with an agitating assembly, the outer part of the middle shaft tube is concentrically provided with a main gear ring, and the main gear ring is arranged on the outer side of the agitating assembly; the outer wall of the middle shaft tube is provided with an outward movement driving component which is connected with the top end of the stirring component; an exhaust joint is arranged at the position of the outer wall of the middle shaft tube opposite to the stirring assembly;
the stirring reaction kettle comprises the following production steps:
s1, adding reaction raw materials through a feeding pipe; the self-cleaning assembly is in a closed state, the outward movement driving assembly drives the stirring assembly to move outwards to be meshed with the main gear ring, and the stirring assembly is adjusted to be in an unfolding state;
S2, the middle shaft tube rotates to drive the stirring assembly to revolve, and meanwhile, the main gear ring drives the stirring assembly to rotate;
s3, the outward movement driving assembly drives the stirring and adduction to enable the stirring assembly to be separated from the main toothed ring and to be in butt joint with the exhaust joint;
S4, the stirring assembly only revolves to stir the materials, and the air supply main machine inputs air to the air exhaust joint, so that the stirring assembly is in a high-temperature state to fully heat the materials in the kettle;
S5, outputting the produced polyester resin slurry;
s6, adjusting the stirring assembly to be in a closed state, and cleaning the sediment on the material facing surface of the stirring assembly by the self-cleaning assembly, wherein the sediment is output through the spiral blade.
Further, the outer drive assembly that moves includes first actuating lever, activity crown block, actuating arm and translation board, the lateral wall top of well central siphon is equipped with the base perpendicularly, go up the inside of base and seted up the removal groove, stir the top horizontal slip embedding of subassembly in the removal inslot, the vertical slidable mounting of outer wall of well central siphon has the activity crown block, the top of base is located to the activity crown block, the surface symmetry of activity crown block is equipped with first actuating lever, first actuating lever fixed connection cauldron body, the actuating arm slope is laid, the top of actuating arm articulates in the lateral wall of activity crown block, the bottom articulates the translation board, the top of stirring subassembly is located to the translation board.
Further, the stirring assembly comprises a stirring plate, a main sliding block and rotation gears, wherein the main sliding block is horizontally and slidably embedded in the moving groove, the rotation gears penetrate through the inside of the main sliding block, the bottom end of the rotation gears is connected with a top plate, the bottom surface of the top plate is connected with outer box bodies at intervals, the outer box bodies are arranged at the bottom of the top plate at intervals in parallel, a rotation pipe which is arranged in a linear array is rotationally arranged in the outer box bodies, fourth gears are arranged on the outer walls of the rotation pipes, the fourth gears are arranged between the top plate and the outer box bodies, a driving rack is slidably arranged at the top of the outer box bodies and is in meshed connection with each fourth gear, a second driving rod is arranged on the side wall of the top plate, and the output end of the second driving rod is connected with the driving rack; the bottom of each rotary pipe is provided with a group of stirring plates.
Further, the outer wall of the rotary pipe is provided with an air inlet hole, the air inlet hole is positioned in the outer box body, and the end part of the outer box body is matched and spliced with the exhaust joint; in S4, the gas entering the middle shaft tube is conveyed to the exhaust joint along the spiral channel of the spiral blade, and then enters each stirring plate through the outer box body and the air inlet holes, so that the stirring plates are in a high-temperature state.
Further, a pressing block is arranged at one end of the translation plate, a latch is arranged at the other end of the translation plate, a side block body is arranged at one end of the surface of the main sliding block, a third spring rod is arranged between the side block body and the pressing block, and the latch is matched and clamped with the rotation gear;
In S1, when the translation plate moves outwards once, the translation plate and the main sliding block synchronously move until the rotation gear is meshed with the main gear ring; when the translation plate moves outwards for the second time, the main gear ring abuts against the rotation gear, the side block compresses the third spring rod, and the latch is separated from the rotation gear, so that the rotation gear can rotate along the main gear ring.
Further, self-cleaning subassembly includes lower base, pushing block, lower base locates the bottom lateral wall of central shaft pipe perpendicularly, independent waste bin and holding vessel have been seted up to the bottom of lower base, the top of holding vessel is located to the waste bin level, the inner intercommunication of waste bin is intraductal to the central shaft, the inside slip of waste bin is equipped with the clearance piece, the internally mounted of holding vessel has first reciprocating screw, the inner of first reciprocating screw stretches into in the central shaft intraductal and is equipped with the second awl tooth, helical blade's bottom is equipped with first awl tooth, first awl tooth and second gear engagement are connected, the outer wall cover of first reciprocating screw is equipped with the movable block, go up clearance piece and movable block and link as an organic wholely through pushing block.
Further, the self-cleaning assembly further comprises a vertical frame body and cleaning brush plates, wherein the vertical frame body is vertically arranged at the inner end of the surface of the lower base, a second reciprocating screw rod is arranged in the vertical frame body, the cleaning brush plates are sleeved on the outer wall of the second reciprocating screw rod, and the cleaning brush plates are horizontally arranged and are arranged on the side parts of the material facing surfaces of the stirring plates; the outer wall of the first reciprocating screw rod is provided with a driving tooth column, the bottom end of the second reciprocating screw rod stretches into the storage tank, the end part of the second reciprocating screw rod is provided with a driven gear, and the driving tooth column is meshed with the driven gear;
In S1, an upper cleaning block seals an outlet of a waste tank so as to block liquid from entering a middle shaft pipe, and a cleaning brush plate is arranged on the side part of a lower base so as to avoid an agitating plate;
in the S6 process, when the spiral blade rotates, the first reciprocating screw rod and the second reciprocating screw rod are synchronously driven to rotate; the cleaning brush plate vertically moves to scrape impurities on the outer wall of the stirring plate into the waste tank; the upper cleaning block pushes out the waste in the waste tank to the spiral blade, and the waste is upwards output to the outer box body through the spiral blade.
Further, a standing ring platform is arranged at the top of the inside of the kettle body and is positioned at the bottom of the inner side of the access door; the surface mounting of the standing ring platform is provided with an overhaul ladder storage component, the overhaul ladder storage component comprises a bracket, the top end of the bracket is connected with a winding wheel, the winding wheel is positioned at the inner side of the standing ring platform, the outer wall of the winding wheel is wound with a flexible ladder, a side rotating shaft of the winding wheel is provided with a locking gear, the outer wall of the locking gear is provided with a handle, the side wall of the bracket is provided with a linkage unlocking component and a locking component, and the outer end of the linkage unlocking component is in contact with an access door and the inner end of the linkage unlocking component is connected with the locking component; when the access door is opened, the linkage unlocking component is linked with the locking component to act, so that the locking component is unlocked, and the winding wheel automatically releases the rope ladder.
Further, the linkage unlocking component comprises an unlocking rod, a second positioning frame, a second spring rod and an abutting plate, wherein the second positioning frame is fixedly arranged on the side wall of the bracket, the unlocking rod horizontally slides in the second positioning frame and penetrates through the second positioning frame, the outer end of the unlocking rod is matched with the access door to abut, a storage groove is formed in the inner end of the unlocking rod, the abutting plate is rotatably arranged in the storage groove, and a torsion spring is arranged at the rotating joint of the abutting plate and the storage groove and used for driving the abutting plate to rotate downwards; the bottom surface of the unlocking rod is vertically provided with a second convex plate, the second convex plate is positioned at the inner side of the second positioning frame, and a second spring rod is arranged between the second convex plate and the second positioning frame; when the access door is closed, the unlocking lever moves inward and lengthens the second spring lever.
Further, the locking assembly comprises a first positioning frame, the first positioning frame is fixedly arranged on the side wall of the bracket, the inside of the first positioning frame horizontally slides to penetrate through the locking rod, the outer end surface of the locking rod is provided with a matching block, the outer wall of the locking rod is provided with a first convex plate, the first convex plate is positioned on the outer side of the first positioning frame, a first spring rod is arranged between the first convex plate and the first positioning frame, the inner end of the locking rod is provided with a constraint block, the constraint block is matched with the first positioning frame to stop, the inner end of the constraint block is provided with an inserting column, and the inserting column is matched and inserted into the locking gear;
When the locking component is unlocked, the abutting plate abuts against the constraint block and the locking rod to move outwards, the inserted column is driven to leave the locking gear, and the first spring rod is lengthened by the locking rod;
When the locking component locks, the upper supporting plate rotates into the storage groove, and the first spring rod drives the locking rod to reset and position the locking gear.
The invention provides a stirring reaction kettle for polyester resin production reaction. Compared with the prior art, the method has the following beneficial effects:
1. The arrangement of the middle shaft assembly has the following effects: the first motor can drive the first gear to rotate so as to drive the middle shaft tube to rotate, and the middle shaft tube can drive the stirring assembly to revolve; the second motor can drive the second gear to rotate, so that the spiral blade can upwards convey cleaned deposits, thus, the automatic outward movement of the attachments of the stirring assembly can be realized, the cleaning frequency of workers is reduced, and the deposits which are moved to the main box body can be pumped out by the negative pressure of the material pumping pump; meanwhile, the main box body can be cleaned directly outside manually;
2. the arrangement of the stirring assembly can have the following effects: the stirring assembly can move outwards to be meshed with the main gear ring, so that in the earlier stage of material mixing, the stirring assembly can revolve and rotate, so that the earlier stage mixing efficiency is effectively improved, and the mixing effect is ensured; the stirring assembly can move inwards to be in butt joint with the exhaust joint, so that the stirring assembly only revolves in the middle and later stages of material mixing to realize uniform speed mixing, and meanwhile, the exhaust joint can discharge hot gas to the stirring assembly, so that the whole stirring assembly is in a high-temperature state, liquid can be fully heated from the inside, and the liquid is ensured to be at a specified reaction temperature; in the reaction stage, each stirring plate of the stirring assembly rotates to an inclined state, and the whole stirring assembly is in an unfolding state, so that the stirring plates can be stirred normally, and liquid can pass through gaps of each stirring plate; when the reaction is finished and the polyester resin slurry is discharged, each stirring plate rotates and resets to enable each stirring plate to reset to a plane, so that the self-cleaning assembly can work and clean, attachments on the stirring plates are removed, and the working effect of the stirring plates is ensured;
3. The self-cleaning assembly can vertically scrape attachments on the outer wall of the stirring plate, and then transversely push the attachments into the center shaft tube.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural diagram of a stirring reaction kettle for polyester resin production reaction of the invention;
FIG. 2 shows a schematic diagram of the internal structure of the reaction kettle of the invention;
FIG. 3 shows a schematic diagram of the top structure of the reaction kettle of the present invention;
FIG. 4 is a schematic view showing the internal top structure of the bottom bracket tube of the present invention;
FIG. 5 shows a schematic view of the access ladder storage assembly of the present invention;
FIG. 6 shows a schematic diagram of the linkage unlocking assembly of the present invention;
FIG. 7 shows a schematic view of the locking assembly of the present invention;
FIG. 8 is a schematic view showing an access door opening and unlocking state structure of the present invention;
FIG. 9 is a schematic view showing a structure of a state of the invention in which the interference plate is rotated to be locked;
FIG. 10 is a schematic view showing a reset locking state of the locking assembly of the present invention;
FIG. 11 illustrates a schematic view of the closed state construction of the agitating assembly of the present invention;
FIG. 12 is a schematic side cross-sectional view of an out-shift drive assembly of the present invention;
FIG. 13 is a schematic view showing the connection structure of the stirring assembly and the outward movement driving assembly of the present invention;
FIG. 14 shows a schematic view of the self-cleaning assembly of the present invention;
FIG. 15 illustrates a schematic view of an agitating assembly deployment of the present invention;
The figure shows: 1. a kettle body, 11, an access door, 12, a feeding pipe, 13, a standing ring table, 2, a middle shaft assembly, 21, a middle shaft pipe, 211, a first gear, 212, an exhaust joint, 213, an upper base, 2131, a moving groove, 22, a helical blade, 221, a second gear, 222, a first bevel gear, 23, a three-way joint, 24, a first motor, 25, a main box body, 26, a second motor, 3, a main gear ring, 4, an outward moving driving assembly, 41, a first driving rod, 42, a movable ring plate, 43, a driving arm, 44, a translation plate, 441, a pressing block, 442, a clamping tooth, 5, a suction pump, 6, a self-cleaning assembly, 62, a mullion body, 621, a first reciprocating screw, 6211, a driven gear, 63, a lower base, 631, a waste tank, 632, a storage groove, 64, a pushing block, 641, an upper cleaning block, 642, a moving block, 65, a cleaning brush plate, 61, a second reciprocating screw, 611, driving gear post, 612, second bevel gear, 7, access ladder storage component, 71, winding wheel, 72, rope ladder, 73, locking gear, 731, handle, 74, locking component, 741, locking lever, 7411, first boss, 742, mating block, 743, first spring lever, 744, first positioning frame, 745, restraining block, 746, plunger, 75, linkage unlocking component, 751, unlocking lever, 751, receiving slot, 7512, second boss, 752, second positioning frame, 753, second spring lever, 754, interference plate, 76, bracket, 8, stirring component, 81, stirring plate, 82, rotating tube, 821, fourth gear, 83, outer box, 84, driving rack, 841, second driving lever, 85, top plate, 86, main slider, 861, side block, 87, rotation gear, 88, third spring lever, 9, air supply main machine.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
In order to solve the technical problem in the background art, a stirring reaction kettle for polyester resin production reaction is provided as follows:
Referring to fig. 1-15, the stirring reaction kettle for polyester resin production reaction provided by the invention comprises a kettle body 1, wherein an access door 11 is embedded in the side surface of the top of the kettle body 1, and a feeding pipe 12 vertically penetrates through the top of the kettle body 1; a central shaft assembly 2 is arranged at the central axis of the inner part of the kettle body 1, and the central shaft assembly 2 comprises a central shaft tube 21, a helical blade 22 and a three-way joint 23; the middle shaft tube 21 is rotationally arranged in the middle of the kettle body 1, the top end of the middle shaft tube 21 extends out of the top surface of the kettle body 1, a helical blade 22 is arranged in the middle shaft tube 21, the top end of the middle shaft tube 21 is rotationally connected with the main box body 25, the middle shaft tube 21 is communicated with the main box body 25, the side part of the main box body 25 is communicated with a three-way joint, the three-way joint is connected with the air supply host 9 and the material suction pump 5 in parallel, a first gear 211 is arranged at the top end of the outer wall of the middle shaft tube 21, the first gear 211 is in meshed connection with a first motor 24, the top end of the helical blade 22 is connected with a second gear 221, the second gear 221 is arranged at the top of the main box body 25, and the second gear 221 is in transmission connection with a second motor 26;
The outer wall of the middle shaft tube 21 is provided with a self-cleaning assembly 6, the top of the self-cleaning assembly 6 is provided with an agitating assembly 8, the outer part of the middle shaft tube 21 is concentrically provided with a main gear ring, and the main gear ring is arranged on the outer side of the agitating assembly 8; the outer wall of the middle shaft tube 21 is provided with an outward movement driving component 4, and the outward movement driving component 4 is connected with the top end of the stirring component 8; an exhaust joint 212 is arranged at the position of the outer wall of the middle shaft tube 21 opposite to the stirring assembly 8;
the stirring reaction kettle comprises the following production steps:
S1, the self-cleaning assembly 6 is in a closed state, the outward movement driving assembly 4 drives the stirring assembly 8 to move outwards to be meshed with the main toothed ring 3, and the stirring assembly 8 is adjusted to be in an unfolding state; the reaction raw materials comprise propylene glycol, trimethylolpropane, ethylene acetate and p-hydroxybenzoic acid;
s2, the middle shaft tube 21 rotates to drive the stirring assembly 8 to revolve, and meanwhile, the main gear ring 3 drives the stirring assembly 8 to rotate;
s3, the outward movement driving assembly 4 drives the stirring and adduction to enable the stirring assembly 8 to be separated from the main gear ring 3 and to be in butt joint with the exhaust joint 212;
s4, the stirring assembly 8 only revolves to stir the materials, and the air supply main machine inputs air to the air exhaust joint 212, so that the stirring assembly 8 is in a high-temperature state to fully heat the materials in the kettle;
S5, outputting the produced polyester resin slurry; carrying out dehydration condensation reaction, polycondensation reaction, filtering and cooling treatment on the polyester resin slurry to obtain a polyester resin finished product;
S6, adjusting the stirring assembly 8 to be in a closed state, and cleaning the sediment on the material facing surface of the stirring assembly 8 by the self-cleaning assembly 6, wherein the sediment is output through the spiral blade 22.
In the scheme, the method comprises the following steps:
1. the arrangement of the middle shaft assembly has the following effects:
1.1, a first motor can drive a first gear to rotate so as to drive a middle shaft tube to rotate, and the middle shaft tube can drive an agitating assembly to revolve;
1.2, arranging a spiral blade in the middle shaft pipe, wherein a second motor can drive a second gear to rotate, so that the spiral blade can rotate, and the spiral blade can convey cleaned deposits upwards, so that automatic outward movement of the attachments of the stirring assembly can be realized, the cleaning frequency of workers is reduced, and the deposits which are moved to the main box body can be pumped out by negative pressure of a pumping pump; meanwhile, the main box body can be cleaned directly outside manually;
2. The arrangement of the stirring assembly can have the following effects:
2.1, the stirring assembly can move outwards to be meshed with the main gear ring, so that in the earlier stage of material mixing, the stirring assembly can revolve and rotate, so that the earlier stage of mixing efficiency is effectively improved, and the mixing effect is ensured;
2.2, the stirring assembly can move inwards to be in butt joint with the exhaust joint, so that the stirring assembly only revolves in the middle and later stages of material mixing to realize uniform speed mixing, and meanwhile, the exhaust joint can discharge hot gas to the stirring assembly, so that the whole stirring assembly is in a high-temperature state, liquid can be fully heated from the inside, and the liquid is ensured to be at a specified reaction temperature;
2.3, in the reaction stage, each stirring plate of the stirring assembly rotates to an inclined state, and the whole stirring assembly is in an unfolding state, so that the stirring plates can be stirred normally, and liquid can pass through gaps of each stirring plate;
2.4, when the reaction is finished and the polyester resin slurry is discharged, each stirring plate rotates and resets to enable each stirring plate to reset to a plane, so that the self-cleaning assembly can work and clean, attachments on the stirring plates are removed, and the working effect of the stirring plates is ensured;
3. The self-cleaning assembly can vertically scrape attachments on the outer wall of the stirring plate, and then transversely push the attachments into the center shaft tube.
In this embodiment, the outward moving driving assembly 4 includes a first driving rod 41, a movable ring plate 42, a driving arm 43 and a translation plate 44, an upper base 213 is vertically disposed at the top of the sidewall of the middle shaft tube 21, a moving groove 2131 is formed in the upper base 213, the top end of the stirring assembly 8 is horizontally slidably embedded in the moving groove 2131, the movable ring plate 42 is vertically slidably mounted on the outer wall of the middle shaft tube 21, the movable ring plate 42 is disposed at the top of the upper base 213, the surface of the movable ring plate 42 is symmetrically provided with the first driving rod 41, the first driving rod 41 is fixedly connected with the kettle body 1, the driving arm 43 is obliquely disposed, the top end of the driving arm 43 is hinged to the sidewall of the movable ring plate 42, the bottom end of the driving arm is hinged to the translation plate 44, and the translation plate 44 is disposed at the top of the stirring assembly 8.
In the scheme, the method comprises the following steps: the first driving rod can drive the movable ring plate to move downwards along the middle shaft pipe, and when the movable ring plate moves downwards, the movable ring plate pushes the driving arm to extend outwards, and the driving arm can drive the stirring assembly and the translation plate to move outwards along the moving groove synchronously.
In this embodiment, the stirring assembly 8 includes a stirring plate 81, a main sliding block 86, and rotation gears 87, the main sliding block 86 is horizontally slidably embedded in the moving groove 2131, the rotation gears 87 are penetrated in the main sliding block 86, the bottom ends of the rotation gears 87 are connected with a top plate 85, the bottom surface of the top plate 85 is connected with an outer box 83 at intervals, the outer box 83 is arranged at the bottom of the top plate 85 at intervals in parallel, a rotating tube 82 arranged in a linear array is rotationally arranged in the outer box 83, a fourth gear 821 is arranged on the outer wall of the rotating tube 82, the fourth gear 821 is arranged between the top plate 85 and the outer box 83, a driving rack 84 is slidably arranged at the top of the outer box 83, the driving rack 84 is in meshed connection with each fourth gear 821, a second driving rod 841 is arranged on the side wall of the top plate 85, and the output end of the second driving rod 841 is connected with the driving rack 84; a set of agitation plates 81 are provided at the bottom end of each of the rotating pipes 82.
In the scheme, the method comprises the following steps:
the main sliding block is used as a hanging positioning structure of the whole stirring assembly and moves along with the translation plate; when the main sliding block moves outwards, the top plate, the outer box body and the stirring plates are driven to move integrally, so that the rotation gear is meshed with the main gear ring;
2. The second driving rod can push the driving rack to translate, the driving rack can drive each fourth gear to rotate, and then each rotary pipe is driven to rotate simultaneously, and the rotary pipe can drive the stirring plate to rotate, so that the stirring plate can be regulated and controlled to be closed and unfolded.
In this embodiment, the outer wall of the rotary tube 82 is provided with an air inlet hole, the air inlet hole is located in the outer box 83, and the end of the outer box 83 is spliced with the air outlet connector 212 in a matching manner; in S4, the gas entering the middle shaft tube 21 is transported to the exhaust joint 212 along the spiral passage of the spiral blade 22, and the gas passes through the outer case 83 and the gas inlet holes to enter the respective stirring plates 81, so that the stirring plates are in a high temperature state.
In the scheme, the method comprises the following steps: when the spiral blade is used for cleaning materials, the spiral blade can be used as a push-up structure of the materials, and in the reaction, the three-way joint is adjusted to be communicated with the air supply host, and the filled hot air can enter the air discharge joint along a spiral channel formed by the spiral blade, so that the hot air can enter each stirring plate through the air discharge joint to heat the stirring plates, meanwhile, the hot air can also fill the whole middle shaft tube, the middle shaft tube is heated, and the middle shaft tube and the stirring plates can jointly heat liquid from the inside.
In this embodiment, a pressing block 441 is disposed at one end of the translation plate 44, a latch 442 is disposed at the other end, a side block 861 is disposed at one end of the surface of the main slider 86, a third spring rod 88 is disposed between the side block 861 and the pressing block 441, and the latch 442 is engaged with the rotation gear 87; in S1, when the translation plate 44 moves outward once, the translation plate 44 moves synchronously with the main slider 86 until the rotation gear 87 meshes with the main ring gear 3; when the translation plate 44 moves outwards for the second time, the main gear ring 3 abuts against the rotation gear 87, the side block 861 compresses the third spring rod 88, and the latch 442 is separated from the rotation gear 87, so that the rotation gear 87 can rotate along the main gear ring 3.
In the scheme, the method comprises the following steps:
The clamping teeth are arranged to restrain and position the autorotation gear, so that the stirring assembly is prevented from rotating in the S4 process;
the separation of latch and autorotation gear, by the conflict control of main ring gear, need not individual control, when autorotation gear and main ring gear meshing, first actuating lever continues to push down the actuating arm, translation board secondary outward movement, so, the compressible third spring bar of side block, the latch alright automatic and autorotation gear separation, and when first actuating lever is packed up, the third spring bar promotes translation board and resets, latch block autorotation gear, when first actuating lever continues to pack up, autorotation gear breaks away from main ring gear, the inside removal of main slider along the removal groove resets.
In this embodiment, the self-cleaning assembly 6 includes a lower base 63 and a pushing block 64, the lower base 63 is vertically disposed on a bottom side wall of the middle shaft tube 21, an independent waste tank 631 and a storage tank 632 are disposed at the bottom of the lower base 63, the waste tank 631 is horizontally disposed above the storage tank 632, an inner end of the waste tank 631 is communicated to the middle shaft tube 21, an upper cleaning block 641 is slidingly disposed in the waste tank 631, a first reciprocating screw 621 is mounted in the storage tank 632, an inner end of the first reciprocating screw 621 extends into the middle shaft tube 21 and is provided with a second conical tooth 612, a first conical tooth 222 is disposed at a bottom end of the spiral blade 22, the first conical tooth 222 is engaged with the second gear 221, a moving block 642 is sleeved on an outer wall of the first reciprocating screw 621, and the upper cleaning block 641 and the moving block 642 are integrally connected through the pushing block 64.
In the scheme, the method comprises the following steps: the spiral blade rotates, the first reciprocating screw rod can be driven to rotate through the cooperation of the first bevel gear and the second bevel gear, the movable block can be driven to translate, the upper cleaning block can be driven to move along with the movable block through the pushing block, and the upper cleaning block can translate and push out materials in the waste tank, so that the materials enter the middle shaft pipe; automatic cleaning of materials is achieved, and independent control is not needed for movement of the upper cleaning block.
In this embodiment, the self-cleaning assembly 6 further includes a vertical frame 62 and a cleaning brush plate 65, the vertical frame 62 is vertically disposed at the inner end of the surface of the lower base 63, a second reciprocating screw 61 is installed in the vertical frame 62, the cleaning brush plate 65 is sleeved on the outer wall of the second reciprocating screw 61, and the cleaning brush plate 65 is horizontally disposed and disposed on the side of the material facing surface of each stirring plate 81; the outer wall of the first reciprocating screw rod 621 is provided with a driving tooth column 611, the bottom end of the second reciprocating screw rod 61 extends into the storage groove 632, the end part of the second reciprocating screw rod is provided with a driven gear 6211, and the driving tooth column 611 is in meshed connection with the driven gear 6211;
in S1, the upper cleaning block seals the outlet of the waste tank 631 to block liquid from entering the central shaft tube 21, and the cleaning brush plate 65 is arranged on the side of the lower base 63 to avoid the stirring plate 81;
At S6, the first and second reciprocating screw rods 621 and 61 are synchronously driven to rotate while the spiral blade 22 rotates; the cleaning brush plate 65 vertically moves to scrape impurities on the outer wall of the stirring plate 81 into the waste tank 631; the upper cleaning block 641 pushes out the waste in the waste bin 631 into the spiral blade 22, and the waste is then output upward into the outer case 83 through the spiral blade 22.
In the scheme, the method comprises the following steps:
the vertical movement of the cleaning brush plate can fully clean attachments on the material facing surface of the stirring plate, so that the stirring effect of the stirring plate is ensured;
2. the actions of the first reciprocating screw rod and the second reciprocating screw rod are driven by the second conical teeth of the spiral blade without independent control.
Example two
In this embodiment, a standing ring table 13 is provided at the top of the inside of the kettle body 1, and the standing ring table 13 is located at the bottom of the inside of the access door 11; the surface mounting of the standing ring table 13 is provided with an overhaul ladder storage component 7, the overhaul ladder storage component 7 comprises a bracket 76, the top end of the bracket 76 is connected with a winding wheel 71, the winding wheel 71 is positioned at the inner side of the standing ring table 13, the outer wall of the winding wheel 71 is wound with a rope ladder 72, a locking gear 73 is arranged at a side rotating shaft of the winding wheel 71, the outer wall of the locking gear 73 is provided with a handle 731, the side wall of the bracket 76 is provided with a linkage unlocking component 75 and a locking component 74, the outer end of the linkage unlocking component 75 is in interference with the access door 11, and the inner end of the linkage unlocking component is connected with the locking component 74; when the access door 11 is opened, the linkage unlocking component 75 is operated to link the locking component 74, so that the locking component 74 is unlocked, and the winding wheel 71 automatically releases the rope ladder 72.
In the scheme, the method comprises the following steps: the standing ring platform and the rope ladder are designed, so that workers can conveniently enter the kettle for maintenance, the maintenance efficiency is improved, and a ladder frame is not required to be erected; when the access door is opened, the locking gear can be automatically unlocked, so that the rope ladder is automatically released, and the overhaul efficiency is further improved.
In this embodiment, the linkage unlocking assembly 75 includes an unlocking lever 751, a second positioning frame 752, a second spring lever 753, and an abutting plate 754, where the second positioning frame 752 is fixedly disposed on a side wall of the bracket 76, an unlocking lever 751 horizontally slides through an inner portion of the second positioning frame 752, an outer end of the unlocking lever 751 abuts against the access door 11 in a matching manner, a receiving slot 751 is formed in an inner end of the unlocking lever 751, the abutting plate 754 is rotatably mounted in the receiving slot 751, and a torsion spring is mounted at a rotation connection portion of the receiving slot 751 and is used for driving the abutting plate 754 to rotate downward; the bottom surface of the unlocking rod 751 is vertically provided with a second convex plate 751, the second convex plate 751 is positioned on the inner side of the second positioning frame 752, and a second spring rod 753 is arranged between the second convex plate 751 and the second positioning frame 752; when the access door 11 is closed, the unlocking bar 751 moves inward and lengthens the second spring bar 753.
In this embodiment, the locking assembly 74 includes a first positioning frame 744, the first positioning frame 744 is fixedly disposed on a side wall of the bracket 76, the inside of the first positioning frame 744 horizontally slides and penetrates through a locking rod 741, an outer end surface of the locking rod 741 is provided with a fitting block 742, an outer wall of the locking rod 741 is provided with a first protruding plate 7411, the first protruding plate 7411 is located at an outer side of the first positioning frame 744, a first spring rod 743 is installed between the first protruding plate 7411 and the first positioning frame 744, a constraint block 745 is disposed at an inner end of the locking rod 741, the constraint block 745 is matched with the first positioning frame 744, an insert column 746 is disposed at an inner end of the constraint block 745, and the insert column 746 is matched and inserted into the locking gear 73.
The embodiment works in the following steps:
When the kettle body needs to be overhauled, a worker rotates downwards to open the access door, the second spring rod resets to drive the unlocking rod and the abutting plate to move outwards, the abutting plate abuts against the restraining block and the locking rod to move outwards, the inserting column is driven to leave the locking gear, the first spring rod is lengthened by the locking rod, and the rope ladder can be automatically released;
A worker enters the kettle, stands on the standing ring table for maintenance, enters the bottom of the kettle through the rope ladder, and overhauls the bottom of the kettle and the bottom of the stirring assembly;
after the overhaul is finished, a worker stands on the standing ring table, and manually rotates the handle to drive the rope ladder to be wound on the winding wheel; then, the abutting plate is jacked up, in the jacking process, the abutting plate abuts against the constraint block and the locking rod to continuously move outwards, and when the abutting plate is rotated into the storage groove, the first spring rod drives the locking rod to reset and position the locking gear;
Then the workman comes out from the cauldron, closes the access door, and the access door is contradicted the release lever and is moved, and the release lever is prolonged the second spring lever, when the interference board was passed over the restriction piece, the torsional spring drove the interference board and rotates the reduction downwards, and the inboard of restriction piece is arranged in to the interference board, realizes the reduction of interference board for the automatic unblock next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A stirring reaction kettle for polyester resin production reaction is characterized in that: the kettle comprises a kettle body, wherein an access door is embedded in the side surface of the top of the kettle body, and a feeding pipe vertically penetrates through the top of the kettle body; a central shaft assembly is arranged at the central axis of the inner part of the kettle body, and comprises a central shaft tube, a helical blade and a three-way joint; the middle shaft tube is rotationally arranged in the middle of the kettle body, the top end of the middle shaft tube extends out of the top surface of the kettle body, a helical blade is arranged in the middle shaft tube, the top end of the middle shaft tube is rotationally connected with the main box body, the middle shaft tube is communicated with the main box body, the side part of the main box body is communicated with a three-way joint, the three-way joint is connected with the air supply host and the material suction pump in parallel, a first gear is arranged at the top end of the outer wall of the middle shaft tube, the first gear is in meshed connection with a first motor, the top end of the helical blade is connected with a second gear, the second gear is arranged at the top of the main box body, and the second gear is in transmission connection with a second motor;
The outer wall of the middle shaft tube is provided with a self-cleaning assembly, the top of the self-cleaning assembly is provided with an agitating assembly, the outer part of the middle shaft tube is concentrically provided with a main gear ring, and the main gear ring is arranged on the outer side of the agitating assembly; the outer wall of the middle shaft tube is provided with an outward movement driving component which is connected with the top end of the stirring component; an exhaust joint is arranged at the position of the outer wall of the middle shaft tube opposite to the stirring assembly;
the stirring reaction kettle comprises the following production steps:
s1, adding reaction raw materials through a feeding pipe; the self-cleaning assembly is in a closed state, the outward movement driving assembly drives the stirring assembly to move outwards to be meshed with the main gear ring, and the stirring assembly is adjusted to be in an unfolding state;
S2, the middle shaft tube rotates to drive the stirring assembly to revolve, and meanwhile, the main gear ring drives the stirring assembly to rotate;
s3, the outward movement driving assembly drives the stirring and adduction to enable the stirring assembly to be separated from the main toothed ring and to be in butt joint with the exhaust joint;
S4, the stirring assembly only revolves to stir the materials, and the air supply main machine inputs air to the air exhaust joint, so that the stirring assembly is in a high-temperature state to fully heat the materials in the kettle;
S5, outputting the produced polyester resin slurry;
s6, adjusting the stirring assembly to be in a closed state, and cleaning the sediment on the material facing surface of the stirring assembly by the self-cleaning assembly, wherein the sediment is output through the spiral blade.
2. The stirring reaction kettle for polyester resin production reaction according to claim 1, wherein: the outer drive assembly that moves includes first actuating lever, activity crown block, actuating arm and translation board, the lateral wall top of well central siphon is equipped with the base perpendicularly, go up the inside of base and seted up the travel groove, stir the top horizontal slip embedding of subassembly in the travel groove, the vertical slidable mounting of outer wall of well central siphon has the activity crown block, the top of going up the base is located to the activity crown block, the surface symmetry of activity crown block is equipped with first actuating lever, first actuating lever fixed connection cauldron body, the actuating arm slope is laid, the top of actuating arm articulates in the lateral wall of activity crown block, the bottom articulates the translation board, the translation board is located the top of stirring subassembly.
3. The stirring reaction kettle for polyester resin production reaction according to claim 2, wherein: the stirring assembly comprises a stirring plate, a main sliding block and rotation gears, wherein the main sliding block is horizontally and slidably embedded in a moving groove, the rotation gears penetrate through the inside of the main sliding block, the bottom end of each rotation gear is connected with a top plate, the bottom surface of each top plate is connected with an outer box body at intervals, the outer box bodies are arranged at the bottom of the top plate at intervals in parallel, a rotation pipe which is arranged in a linear array is rotationally arranged in each outer box body, a fourth gear is arranged on the outer wall of each rotation pipe, the fourth gear is arranged between the top plate and each outer box body, a driving rack is slidably arranged at the top of each outer box body and is in meshed connection with each fourth gear, a second driving rod is arranged on the side wall of each top plate, and the output end of each second driving rod is connected with each driving rack; the bottom of each rotary pipe is provided with a group of stirring plates.
4. A stirred tank reactor for polyester resin production reaction according to claim 3, characterized in that: the outer wall of the rotary pipe is provided with an air inlet hole, the air inlet hole is positioned in the outer box body, and the end part of the outer box body is matched and spliced with the exhaust joint; in S4, the gas entering the middle shaft tube is conveyed to the exhaust joint along the spiral channel of the spiral blade, and then enters each stirring plate through the outer box body and the air inlet holes, so that the stirring plates are in a high-temperature state.
5. The stirring reaction kettle for polyester resin production reaction according to claim 4, wherein: a pressing block is arranged at one end of the translation plate, a latch is arranged at the other end of the translation plate, a side block body is arranged at one end of the surface of the main sliding block, a third spring rod is arranged between the side block body and the pressing block, and the latch is matched and clamped with the rotation gear;
In S1, when the translation plate moves outwards once, the translation plate and the main sliding block synchronously move until the rotation gear is meshed with the main gear ring; when the translation plate moves outwards for the second time, the main gear ring abuts against the rotation gear, the side block compresses the third spring rod, and the latch is separated from the rotation gear, so that the rotation gear can rotate along the main gear ring.
6. The stirring reaction kettle for polyester resin production reaction according to claim 5, wherein: the self-cleaning assembly comprises a lower base and a pushing block, wherein the lower base is vertically arranged on the side wall of the bottom end of the middle shaft tube, an independent waste tank and a storage tank are arranged at the bottom of the lower base, the waste tank is horizontally arranged above the storage tank, the inner end of the waste tank is communicated into the middle shaft tube, an upper cleaning block is slidably arranged in the waste tank, a first reciprocating screw rod is mounted in the storage tank, the inner end of the first reciprocating screw rod extends into the middle shaft tube and is provided with a second bevel gear, the bottom end of the helical blade is provided with a first bevel gear, the first bevel gear is meshed with the second bevel gear, a moving block is sleeved on the outer wall of the first reciprocating screw rod, and the upper cleaning block and the moving block are connected into a whole through the pushing block.
7. The stirring reaction kettle for polyester resin production reaction according to claim 6, wherein: the self-cleaning assembly further comprises a vertical frame body and cleaning brush plates, wherein the vertical frame body is vertically arranged at the inner end of the surface of the lower base, a second reciprocating screw rod is arranged in the vertical frame body, the cleaning brush plates are sleeved on the outer wall of the second reciprocating screw rod, and the cleaning brush plates are horizontally arranged and are arranged on the side parts of the material facing surfaces of the stirring plates; the outer wall of the first reciprocating screw rod is provided with a driving tooth column, the bottom end of the second reciprocating screw rod stretches into the storage tank, the end part of the second reciprocating screw rod is provided with a driven gear, and the driving tooth column is meshed with the driven gear;
In S1, an upper cleaning block seals an outlet of a waste tank so as to block liquid from entering a middle shaft pipe, and a cleaning brush plate is arranged on the side part of a lower base so as to avoid an agitating plate;
in the S6 process, when the spiral blade rotates, the first reciprocating screw rod and the second reciprocating screw rod are synchronously driven to rotate; the cleaning brush plate vertically moves to scrape impurities on the outer wall of the stirring plate into the waste tank; the upper cleaning block pushes out the waste in the waste tank to the spiral blade, and the waste is upwards output to the outer box body through the spiral blade.
8. The stirred tank reactor for polyester resin production reaction according to claim 7, wherein: a standing ring platform is arranged at the top of the interior of the kettle body and is positioned at the bottom of the inner side of the access door; the surface mounting of the standing ring platform is provided with an overhaul ladder storage component, the overhaul ladder storage component comprises a bracket, the top end of the bracket is connected with a winding wheel, the winding wheel is positioned at the inner side of the standing ring platform, the outer wall of the winding wheel is wound with a flexible ladder, a side rotating shaft of the winding wheel is provided with a locking gear, the outer wall of the locking gear is provided with a handle, the side wall of the bracket is provided with a linkage unlocking component and a locking component, and the outer end of the linkage unlocking component is in contact with an access door and the inner end of the linkage unlocking component is connected with the locking component; when the access door is opened, the linkage unlocking component is linked with the locking component to act, so that the locking component is unlocked, and the winding wheel automatically releases the rope ladder.
9. The stirred tank reactor for polyester resin production reaction according to claim 8, wherein: the linkage unlocking assembly comprises an unlocking rod, a second positioning frame, a second spring rod and an abutting plate, wherein the second positioning frame is fixedly arranged on the side wall of the bracket, the unlocking rod horizontally slides in the second positioning frame and penetrates through the second positioning frame, the outer end of the unlocking rod is in matched abutting joint with the access door, the inner end of the unlocking rod is provided with a storage groove, the abutting plate is rotatably arranged in the storage groove, and a torsion spring is arranged at the rotating joint and used for driving the abutting plate to rotate downwards; the bottom surface of the unlocking rod is vertically provided with a second convex plate, the second convex plate is positioned at the inner side of the second positioning frame, and a second spring rod is arranged between the second convex plate and the second positioning frame; when the access door is closed, the unlocking lever moves inward and lengthens the second spring lever.
10. The stirred tank reactor for polyester resin production reaction according to claim 9, wherein: the locking assembly comprises a first positioning frame, the first positioning frame is fixedly arranged on the side wall of the bracket, the inside of the first positioning frame horizontally slides to penetrate through a locking rod, a matching block is arranged on the outer end surface of the locking rod, a first convex plate is arranged on the outer wall of the locking rod, the first convex plate is positioned on the outer side of the first positioning frame, a first spring rod is arranged between the first convex plate and the first positioning frame, a constraint block is arranged at the inner end of the locking rod, the constraint block is matched with the first positioning frame to stop, an inserting column is arranged at the inner end of the constraint block, and the inserting column is matched and inserted into the locking gear;
When the locking component is unlocked, the abutting plate abuts against the constraint block and the locking rod to move outwards, the inserted column is driven to leave the locking gear, and the first spring rod is lengthened by the locking rod;
When the locking component locks, the upper supporting plate rotates into the storage groove, and the first spring rod drives the locking rod to reset and position the locking gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410982742.2A CN118513006A (en) | 2024-07-22 | 2024-07-22 | Stirring reaction kettle for polyester resin production reaction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410982742.2A CN118513006A (en) | 2024-07-22 | 2024-07-22 | Stirring reaction kettle for polyester resin production reaction |
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| CN217989297U (en) * | 2022-06-24 | 2022-12-09 | 张亮 | Prevent to stir inhomogeneous stirred tank reactor in dead angle |
| CN218774643U (en) * | 2022-07-21 | 2023-03-31 | 上海紫御印刷有限公司 | News publishing printing equipment with mixing assembly arranged in material box |
| CN220861210U (en) * | 2023-08-14 | 2024-04-30 | 安徽金翅鸟实业发展有限公司 | Stirring device for delustering nylon production |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845253A (en) * | 2021-10-20 | 2021-12-28 | 江西源春环保科技有限公司 | Heavy metal separation and recovery device in water for sewage treatment and use method thereof |
| CN216878930U (en) * | 2022-01-19 | 2022-07-05 | 上海鸿鹄化工科技有限公司 | A stirred tank for producing metal finish paint |
| CN217989297U (en) * | 2022-06-24 | 2022-12-09 | 张亮 | Prevent to stir inhomogeneous stirred tank reactor in dead angle |
| CN218774643U (en) * | 2022-07-21 | 2023-03-31 | 上海紫御印刷有限公司 | News publishing printing equipment with mixing assembly arranged in material box |
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