CN118391888B - Drying equipment is used in production of little mesoporous felt of purge angle adjustable - Google Patents
Drying equipment is used in production of little mesoporous felt of purge angle adjustable Download PDFInfo
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- CN118391888B CN118391888B CN202410866909.9A CN202410866909A CN118391888B CN 118391888 B CN118391888 B CN 118391888B CN 202410866909 A CN202410866909 A CN 202410866909A CN 118391888 B CN118391888 B CN 118391888B
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- 238000001035 drying Methods 0.000 title claims abstract description 143
- 238000010926 purge Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 238000012986 modification Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 description 13
- 230000001174 ascending effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 238000007598 dipping method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000013335 mesoporous material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of micro-mesoporous felt drying, in particular to drying equipment for producing micro-mesoporous felt with an adjustable purging angle, which comprises an oven, a flow guiding device, an exhaust device, an air compressor and a nitrogen making machine, wherein the oven is connected with the flow guiding device, the exhaust device is communicated with an oven pipeline, the air compressor is communicated with the flow guiding device pipeline, the nitrogen making machine is communicated with the flow guiding device pipeline, the flow guiding device is used for mixing air conveyed by the air compressor and the nitrogen making machine and rolling the air by a rolling machine, the flow guiding device is used for adjusting the purging angle and the purging mode, the exhaust device is used for carrying out auxiliary guiding of air flow, the air compressor is used for compressing air, the nitrogen making machine is used for generating nitrogen gas, and the nitrogen making machine and compressed air generated by the air compressor are sent into the flow guiding device together for mixing, so that the air flow after mixed heating enters the oven for drying the micro-mesoporous felt.
Description
Technical Field
The invention relates to the technical field of micro-mesoporous felt drying, in particular to drying equipment with an adjustable blowing angle for micro-mesoporous felt production.
Background
At present, the high-end heat insulation material in the market is aerogel felt, but due to the high price, no method is adopted for general application.
The mesoporous material is named according to the international union of pure and applied chemistry, has the pore diameter of 2.5nm, has extremely high specific surface area, and is a porous material with the characteristics of regular and ordered channel structure, narrow pore diameter distribution, continuously adjustable pore diameter and the like. The application of mesoporous materials in the market mainly comprises the adsorption effect, development and application of mesoporous felts are lacked, and the micro-mesoporous felts prepared by taking the micro-mesoporous material combination form into consideration can be applied to a plurality of fields.
The production of the micro-mesoporous felt mainly needs to be subjected to unreeling, mixing, gum dipping, hot air curing, aging modification and drying, the aging modification and the drying are respectively carried out twice, and the micro-mesoporous felt after the drying is finished can be rolled. However, in the current drying process for the micro-mesoporous felt, the nitrogen and the air need to form a mixed gas, so that the micro-mesoporous felt is dried, the conventional drying device cannot ensure the mixing degree of the two gases, and the drying quality of the micro-mesoporous felt is affected.
In addition, for the drying process of the strip, a single drying mode of positive pressure drying or negative pressure drying is commonly used, and for the product of the impregnated strip, which needs double-sided drying, the drying effect is poor.
Disclosure of Invention
The invention aims to provide drying equipment with an adjustable blowing angle for micro-mesoporous felt production, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: drying equipment is used in production of little mesoporous felt of blowing angularly adjustable.
Drying equipment is used in production of little mesoporous felt of purge angle adjustable, drying equipment include oven, guiding device, exhaust device, air compressor machine and nitrogen making machine, and oven and guiding device are connected, and exhaust device and oven pipeline intercommunication, air compressor machine and guiding device pipeline intercommunication, nitrogen making machine and guiding device pipeline intercommunication, and guiding device is used for mixing the gas that air compressor machine and nitrogen making machine carried.
The micro-mesoporous felt is wound and unwound through an unwinding machine and a winding machine, the unwound micro-mesoporous felt is sequentially subjected to gum dipping, breeze curing, aging, hot air drying, secondary modification and hot air secondary drying to finish processing, and is wound through the winding machine, mesoporous powder and glue solution are dispersed and uniformly mixed on the surface of a base material in the gum dipping process, primary aging is sent into an oven to carry out subsequent drying treatment, a flow guiding device is used for adjusting a blowing angle and a blowing mode, an air exhausting device is used for carrying out airflow auxiliary guiding, an air compressor is used for compressing air, a nitrogen generator is used for generating nitrogen, and the nitrogen and compressed air generated by the air compressor are sent into the flow guiding device together to be mixed, so that the airflow after mixed heating enters the oven to dry the micro-mesoporous felt.
Further, a first-stage drying cavity, a modification cavity and a second-stage drying cavity are sequentially arranged in the feeding direction of the oven, the second-stage drying cavity is communicated with the first-stage drying cavity through a pipeline, and the flow guiding device is connected with the second-stage drying cavity;
The air compressor is communicated with a pipeline of the heating air pipe, a converging section, a throat and a diverging section are sequentially arranged on the heating air pipe along the air supply direction, an air outlet end of the air compressor is communicated with the converging section, an air guide channel is arranged on the outer ring of the throat, an air outlet end of the nitrogen making machine is communicated with the air guide channel, a heating sheet is arranged on the inner ring of one side of the throat close to the diverging section, an outlet of the diverging section is communicated with a pipeline of a secondary drying cavity, and the secondary drying cavity is used for conveying gas into the primary drying cavity through the circulating assembly.
The transmission path of the diffraction micro-mesoporous felt in the oven is sequentially provided with a first-stage drying cavity, a modification cavity and a second-stage drying cavity, the first-stage drying cavity is used for drying a product, the modification cavity is used for modifying the surface tension of the product, the second-stage drying cavity is used for finally drying the product to form a finished product to be rolled, the heated air flow dried in the second-stage drying cavity is sent into the first-stage drying cavity to be dried, the energy consumption is reduced, an electric heating component is contained in a heating air pipe, the prior art is omitted, air compressed by an air compressor is sent into the heating air pipe, the air flow is compressed through a tapered section with a decreasing diameter, the diameter of the throat is kept unchanged, the flow speed of the compressed air flow is the largest when entering the throat, the pressure is reduced, nitrogen output by the nitrogen generator is absorbed, the air mixed nitrogen flows through one side of the throat close to the tapered section, the heating piece is an electric heating component used for heating the mixed air flow, the heated mixed air flow flows into the tapered section, the mixed air flow is in the tapered section along with the diameter amplification, the mixed air flow is in a turbulent state, the mixed air flow is improved, and the mixed air flow is sent into the second-stage drying cavity to dry the product.
Further, the flow guiding device further comprises a plurality of flow guiding blocks and distribution plates, the number of the flow guiding blocks is the same as that of the distribution plates, the flow guiding blocks and the distribution plates are arranged in the secondary drying cavity, one side of each flow guiding block is provided with an air distributing plate, the air distributing plate is provided with a pressurizing air passage, the pressurizing air passage is arranged towards one side of the micro-mesoporous felt and is opened, and the outlet of the diverging section is respectively communicated with the air guiding passage and the pressurizing air passage of the air distributing plate;
the drainage channel outlet of the air distribution plate faces the flow guide block, the width of the cross section of the flow guide block is gradually changed, a flat flow surface and an ascending flow surface are arranged on the flow guide block, the ascending flow surface is arranged in an arc shape, the length of the ascending flow surface is longer than that of the flat flow surface, the flat flow surface and the ascending flow surface are intersected on one side close to the air distribution plate, wake flow parts are arranged at the tail ends of the flat flow surface and the ascending flow surface, and the wake flow parts are arranged on two sides of the horizontal direction of feeding.
The mixed hot air flow air supply direction comprises two parts, one part is guided to the flow guide block through the flow guide channel on the air distribution plate, when the air flow flows through the flat flow surface and the rising flow surface, as the rising flow surface has longer travel, the flow speed of the fluid close to the rising flow surface is accelerated, a negative pressure area is formed at the wake flow part, surrounding air is gathered towards the negative pressure area, so that a vortex is formed, the product is subjected to negative pressure moisture absorption and drying through the negative pressure vortex, and the product is deformed towards the direction close to the vortex under the action of low pressure; the other part of mixed hot air passes through the pipeline guide distribution plate, through the pressure boost air flue, with high-pressure hot air direction product surface, when high-pressure hot air flowed through the product surface, carries out the heat radiation drying, simultaneously through local high pressure for the product is to the direction deformation of keeping away from the pressure boost air flue, through positive and negative pressure drying combination, improves the drying performance to the product middle part.
Further, the guide blocks and the distribution plates are arranged on the upper side and the lower side of the micro-mesoporous felt, the guide blocks and the distribution plates which are located on the same layer are arranged at intervals, the guide blocks and the distribution plates which are located on different layers in the vertical direction are correspondingly arranged, the circulating assembly comprises a partition plate, and the partition plate is located on one side of the distribution plate, which is close to the micro-mesoporous felt.
The upper layer of the flow guide blocks and the lower layer of the distribution plates are symmetrically arranged according to products, the upper layer of the distribution plates and the lower layer of the flow guide blocks are symmetrically arranged, the side, close to the flow guide blocks, of the distribution plates deforms in the product conveying process, and the side, away from the distribution plates deforms, so that the products form an up-and-down fluctuation state in the secondary drying cavity, the drying stroke in the existing space is prolonged, physical support is not needed, and the influence on the drying efficiency is prevented. The baffle can adopt flexible material, for example rubber for separate same layer high water conservancy diversion piece and distributing plate, prevent to influence positive negative pressure and form.
Further, the circulating assembly further comprises a spiral pipe, an inlet of the spiral pipe is respectively communicated with a space between the two wake flow parts and the tail end of the supercharging air flue, the spiral pipe is communicated with an exhaust device, a splitter plate is arranged at an outlet of the spiral pipe, the exhaust device comprises a dehumidifying pipe and a fan, the dehumidifying pipe is communicated with the fan pipeline, two dehumidifying pipes are arranged, one dehumidifying pipe is communicated with an inner layer separated by the splitter plate at the outlet of the spiral pipe, and the other dehumidifying pipe is communicated with the primary drying cavity;
the flow guiding device further comprises an adjusting assembly, an adjusting groove is formed in the oven, the adjusting assembly is arranged in the adjusting groove, and a fan outlet close to the secondary drying cavity is communicated with the adjusting assembly through a pipeline.
In the conveying process of the product along the secondary drying cavity, the conveying stroke of the same length is provided with two wake parts, the two wake parts are oppositely arranged and are intersected at the middle part of the secondary drying cavity, the intersected gas is guided to the spiral pipe through the pipeline, the wet gas flow after the pressurization airway is dried is also guided to the spiral pipe through the pipeline and is arranged through the spiral, when the wet gas flow flows along the spiral pipe, the self weight of water vapor is large, under the action of centrifugal force, the water vapor flows along the outer ring of the spiral pipe, the self weight of the hot gas is small, the hot gas flows along the inner ring of the spiral pipe and is split by the splitter plate at the outlet of the spiral pipe, the dehumidified hot gas is conveyed into the adjusting component through the fan and the dehumidifying pipe, and the product in the primary drying cavity is dried through the adjusting component.
Further, the spiral pipe spiral diameter gradually changes, the spiral pipe spiral diameter gradually decreases from bottom to top, and the upper end of the spiral pipe is an outlet.
Through spiral pipe spiral diameter gradual change setting, along with the moisture-containing air current spiral rises in the spiral pipe, the centrifugal force that steam received increases, improves centrifugal separation quality.
Further, the adjusting component comprises a wind nozzle and a swinging motor, the swinging motor is fixedly connected with the adjusting groove, and the output end of the swinging motor is fixedly connected with the wind nozzle.
The hot air flow dehumidified in the second-stage drying cavity is pumped into the adjusting component through the adjacent fans, the swing motor is fixed in the adjusting groove, the air nozzle is driven to rotate through output torque, the blowing angle of the air nozzle is changed, the drying quality is improved, and therefore the product in the first-stage drying cavity is dried.
As optimization, the exhaust device further comprises a cooling tower, and a fan close to the primary drying cavity is communicated with the cooling tower through a pipeline. The cooling tower is arranged to cool and dehumidify the humid and hot air flow exhausted by the fan close to the primary drying cavity.
As an optimization, the circulating assembly further comprises a bypass pipe, wherein the bypass pipe is communicated with the outer layer at the outlet of the spiral pipe, and the outlet of the bypass pipe is communicated with the cooling tower pipeline. Through setting up the bypass pipe, send into the high wet air current of spiral pipe centrifugation exhaust cooling tower and condense, prevent that steam loss from influencing little mesoporous felt's production quality.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the air flow is compressed through the tapered section with the decreasing diameter, the diameter of the throat is kept unchanged, the flow speed is maximum when the compressed air flow enters the throat, and the pressure is reduced, so that nitrogen output by the nitrogen making machine is sucked, air mixed nitrogen flows through one side of the throat, which is close to the diverging section, a heating sheet is an electric heating part and is used for heating the mixed air flow, the heated mixed air flow flows into the diverging section, the mixed air flow is in a turbulent state along with the abrupt increase of the diameter, the mixing degree is improved, the mixed air flow is sent into a secondary drying cavity, and the product is dried; the mixed hot air flow air supply direction comprises two parts, one part is guided to the flow guide block through the flow guide channel on the air distribution plate, when the air flow flows through the flat flow surface and the rising flow surface, as the rising flow surface has longer travel, the flow speed of the fluid close to the rising flow surface is accelerated, a negative pressure area is formed at the wake flow part, surrounding air is gathered towards the negative pressure area, so that a vortex is formed, the product is subjected to negative pressure moisture absorption and drying through the negative pressure vortex, and the product is deformed towards the direction close to the vortex under the action of low pressure; the other part of mixed hot air is guided to the distribution plate through a pipeline, high-pressure hot air is guided to the surface of a product through a supercharging air passage, when the high-pressure hot air flows through the surface of the product, heat radiation drying is carried out, meanwhile, the product is deformed in a direction away from the supercharging air passage through local high pressure, and the drying performance of the middle part of the product is improved through the combination of positive and negative pressure drying; in the product conveying process, the product deforms to one side close to the guide block and deforms to one side far away from the distribution plate, so that the product forms an up-and-down fluctuation state in the secondary drying cavity, the drying stroke in the existing space is prolonged, physical support is not needed, and the drying efficiency is prevented from being influenced.
Drawings
The foregoing and/or other advantages of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings and detailed description.
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic diagram of the oven cavity arrangement structure of the present invention;
FIG. 3 is a schematic view of a heating air duct structure according to the present invention;
FIG. 4 is a schematic view of a flow guiding device according to the present invention;
FIG. 5 is a schematic view of the coil construction of the present invention;
FIG. 6 is an enlarged view of part A of the view of FIG. 1;
FIG. 7 is a schematic view of a purge angle adjustment configuration of the present invention;
In the figure: 1. an oven; 11. a primary drying chamber; 12. a modification cavity; 13. a secondary drying chamber; 14. an adjustment tank; 2. a flow guiding device; 21. heating air pipes; 211. a tapered section; 212. a throat; 213. a divergent section; 214. an air guide duct; 22. a flow guiding block; 221. a flat flow surface; 222. a rising surface; 223. a wake section; 23. a circulation assembly; 231. a spiral tube; 232. a diverter plate; 233. a partition plate; 234. a bypass pipe; 24. a distribution plate; 241. a pressurized air passage; 25. a wind distribution plate; 26. an adjustment assembly; 261. a tuyere; 262. a swing motor; 3. an exhaust device; 31. a dehumidifying pipe; 32. a blower; 33. a cooling tower; 4. an air compressor; 5. a nitrogen making machine.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides the technical scheme that:
As shown in fig. 1-2, the drying equipment for producing the micro-mesoporous felt with the adjustable purging angle comprises an oven 1, a flow guiding device 2, an exhaust device 3, an air compressor 4 and a nitrogen making machine 5, wherein the oven 1 is connected with the flow guiding device 2, the exhaust device 3 is communicated with an oven 1 pipeline, the air compressor 4 is communicated with the flow guiding device 2 pipeline, the nitrogen making machine 5 is communicated with the flow guiding device 2 pipeline, and the flow guiding device 2 is used for mixing gases conveyed by the air compressor 4 and the nitrogen making machine 5.
The micro-mesoporous felt is wound and unwound through an unwinding machine and a winding machine, the unwound micro-mesoporous felt is sequentially subjected to gum dipping, breeze curing, aging, hot air drying, secondary modification and hot air secondary drying to finish processing, and is wound through the winding machine, mesoporous powder and glue solution are dispersed and uniformly mixed on the surface of a base material in the gum dipping process, primary aging is sent into an oven 1 to carry out subsequent drying treatment, a flow guiding device 2 is used for adjusting a blowing angle and a blowing mode, an air exhausting device 3 is used for carrying out airflow auxiliary guiding, an air compressor 4 is used for compressing air, a nitrogen generator 5 is used for generating nitrogen, and the nitrogen and compressed air generated by the air compressor 4 are sent into a flow guiding device 2 together to be mixed, so that the airflow after mixed heating enters the oven 1 to dry the micro-mesoporous felt.
As shown in fig. 2-3, a primary drying cavity 11, a modification cavity 12 and a secondary drying cavity 13 are sequentially arranged in the feeding direction of the oven 1, the secondary drying cavity 13 is communicated with the primary drying cavity 11 through a pipeline, and the flow guiding device 2 is connected with the secondary drying cavity 13;
The flow guiding device 2 comprises a heating air pipe 21 and a circulating assembly 23, wherein the air compressor 4 is communicated with the heating air pipe 21 through a pipeline, a gradually-reduced section 211, a throat 212 and a gradually-expanded section 213 are sequentially arranged on the heating air pipe 21 along the air supply direction, the air outlet end of the air compressor 4 is communicated with the gradually-reduced section 211, an air guiding channel 214 is arranged on the outer ring of the throat 212, the air outlet end of the nitrogen making machine 5 is communicated with the air guiding channel 214, a heating sheet is arranged on the inner ring of one side of the throat 212 close to the gradually-expanded section 213, the outlet of the gradually-expanded section 213 is communicated with the pipeline of the secondary drying cavity 13, and the secondary drying cavity 13 is used for conveying gas into the primary drying cavity 11 through the circulating assembly 23.
The transmission path of the diffraction micro-mesoporous felt in the oven 1 is sequentially provided with a first-stage drying cavity 11, a modification cavity 12 and a second-stage drying cavity, the first-stage drying cavity 11 is used for drying a product, the modification cavity 12 is used for modifying the surface tension of the product, the second-stage drying cavity 13 is used for finally drying the product to form a finished product and rolling the finished product, the heated air flow dried in the second-stage drying cavity 13 is sent into the first-stage drying cavity 11 to be dried, the energy consumption is reduced, the electric heating component is contained in the heating air pipe 21, the air compressed by the air compressor 4 is sent into the heating air pipe 21, the air flow is compressed through the tapered section 211 with the decreasing diameter, the diameter of the throat 212 is kept unchanged, the flow speed is maximum when the compressed air flow enters the throat 212, the pressure is reduced, thereby sucking nitrogen output by the nitrogen generator 5, the air mixed nitrogen flows through the side close to the tapered section 213, the heating piece is an electric heating component used for heating the mixed air flow, the heated mixed air flow flows into the tapered section 213, the mixed air flow is in a turbulent state along with the abrupt diameter increase, the mixed air flow is in a turbulent state, the mixed air flow is improved, and the mixed air flow is sent into the second-stage drying cavity 13 to dry the product.
As shown in fig. 2 and 4, the flow guiding device 2 further includes a plurality of flow guiding blocks 22 and distribution plates 24, the number of the flow guiding blocks 22 and the number of the distribution plates 24 are the same, the flow guiding blocks 22 and the distribution plates 24 are arranged in the secondary drying cavity 13, an air distribution plate 25 is arranged on one side of the flow guiding blocks 22, a flow guiding channel is arranged on the air distribution plate 25, a supercharging air channel 241 is arranged on the distribution plate 24, the supercharging air channel 241 is arranged towards one side opening of the micro-mesoporous felt, and the outlet of the diverging section 213 is respectively communicated with the flow guiding channel of the air distribution plate 25 and the supercharging air channel 241;
The drainage outlet of the air distribution plate 25 faces the flow guide block 22, the width of the cross section of the flow guide block 22 is gradually changed, a flat flow surface 221 and an ascending flow surface 222 are arranged on the flow guide block 22, the ascending flow surface 222 is arranged in an arc shape, the length of the ascending flow surface 222 is longer than that of the flat flow surface 221, the flat flow surface 221 and the ascending flow surface 222 are intersected on one side close to the air distribution plate 25, wake flow parts 223 are arranged at the tail ends of the flat flow surface 221 and the ascending flow surface 222, and the wake flow parts 223 are arranged on two sides of the feeding in the horizontal direction.
The air supply direction of the mixed hot air flow comprises two parts, one part is guided to the flow guide block 22 through the flow guide channel on the air distribution plate 25, when the air flow flows through the flat flow surface 221 and the rising flow surface 222, the flow speed of the fluid close to the rising flow surface 222 is accelerated due to the longer stroke of the rising flow surface 222, a negative pressure area is formed at the wake flow part 223, surrounding air is closed to the negative pressure area, so that a vortex is formed, the product is subjected to negative pressure moisture absorption and drying through the negative pressure vortex, and the product is deformed to the direction close to the vortex under the action of low pressure; the other part of mixed hot air passes through pipeline direction distribution board 24, through pressure boost air flue 241, when leading the product surface with high-pressure hot air, the high-pressure hot air flows through the product surface, carries out the heat radiation drying, simultaneously through local high pressure for the product is to the direction deformation of keeping away from pressure boost air flue 241, through positive negative pressure drying combination, improves the drying performance to the product middle part.
As shown in fig. 2 and fig. 4, the flow guiding blocks 22 and the distribution plates 24 are arranged along the upper side and the lower side of the micro-mesoporous felt, the flow guiding blocks 22 and the distribution plates 24 positioned at the same layer height are arranged at intervals, the flow guiding blocks 22 and the distribution plates 24 positioned at different layers in the vertical direction are correspondingly arranged, the circulation assembly 23 comprises a partition plate 233, and the partition plate 233 is positioned on one side of the distribution plate 24 close to the micro-mesoporous felt.
The upper layer of the flow guide blocks 22 and the lower layer of the distribution plates 24 are symmetrically arranged according to products, the upper layer of the distribution plates 24 and the lower layer of the flow guide blocks 22 are also symmetrically arranged, and in the product conveying process, the side close to the flow guide blocks 22 deforms and the side far away from the distribution plates 24 deforms, so that the products form an up-and-down fluctuation state in the secondary drying cavity 13, the drying stroke in the existing space is prolonged, the physical support is not needed, and the influence on the drying efficiency is prevented. The partition 233 may be made of flexible material, such as rubber, for separating the diversion block 22 and the distribution plate 24 with the same layer height, so as to prevent the formation of positive and negative pressure.
As shown in fig. 4 to 6, the circulation assembly 23 further includes a spiral pipe 231, an inlet of the spiral pipe 231 is respectively communicated with a space between two wake parts 223 and an end of a pressurizing air channel 241, the spiral pipe 231 is communicated with an air exhausting device 3, a splitter plate 232 is arranged at an outlet of the spiral pipe 231, the air exhausting device 3 includes a dehumidifying pipe 31 and a fan 32, the dehumidifying pipe 31 is communicated with a fan 32 through a pipeline, two dehumidifying pipes 31 are arranged, one dehumidifying pipe 31 is communicated with an inner layer separated by the splitter plate 232 at the outlet of the spiral pipe 231, and the other dehumidifying pipe 31 is communicated with the primary drying cavity 11;
The flow guiding device 2 further comprises an adjusting component 26, the oven 1 is provided with an adjusting groove 14, the adjusting component 26 is arranged in the adjusting groove 14, and the outlet of a fan 32 close to the secondary drying cavity 13 is communicated with the adjusting component 26 through a pipeline.
In the conveying process of the product along the secondary drying cavity 13, the conveying stroke with the same length is provided with two wake flow parts 223, the two wake flow parts 223 are oppositely arranged and are intersected at the middle part of the secondary drying cavity 13, the intersected gas is guided to the spiral pipe 231 through the pipeline, the wet gas flow after the drying of the pressurizing air channel 241 is also guided to the spiral pipe 231 through the pipeline, when the wet gas flow flows along the spiral pipe 231 through the spiral arrangement, the water vapor dead weight is large, under the action of centrifugal force, the water vapor flows along the outer ring of the spiral pipe 231, the hot gas dead weight is small, the water vapor flows along the inner ring of the spiral pipe 231, the split flow is carried out through the splitter 232 at the outlet of the spiral pipe 231, the dehumidified hot gas is sent into the adjusting component 26 through the fan 32 and the dehumidifying pipe 31, and the product in the primary drying cavity 11 is dried through the adjusting component 26.
As shown in fig. 6, the spiral pipe 231 is gradually changed in spiral diameter, the spiral pipe 231 is gradually decreased in spiral diameter from bottom to top, and the upper end of the spiral pipe 231 is an outlet.
Through spiral pipe 231 spiral diameter gradual change setting, along with the moisture-containing air current spiral rises in spiral pipe 231, the centrifugal force that steam received increases, improves centrifugal separation quality.
As shown in fig. 7, the adjusting assembly 26 includes a tuyere 261 and a swing motor 262, the swing motor 262 is fastened to the adjusting groove 14, and an output end of the swing motor 262 is fastened to the tuyere 261.
The dehumidified hot air flow in the secondary drying cavity 13 is pumped into the adjusting component 26 through the adjacent fan 32, the swinging motor 262 is fixed in the adjusting groove 14, the air nozzle 261 is driven to rotate through output torque, the blowing angle of the air nozzle 261 is changed, the drying quality is improved, and therefore the product in the primary drying cavity 11 is dried.
Preferably, the exhaust device 3 further comprises a cooling tower 33, and the fan 32 near the primary drying cavity 11 is in pipeline communication with the cooling tower 33. The cooling tower 33 is arranged to cool and dehumidify the humid and hot air flow discharged by the fan 32 close to the primary drying chamber 11.
Optimally, the circulation assembly 23 further includes a bypass pipe 234, the bypass pipe 234 being in communication with the outer layer at the outlet of the coil 231, the outlet of the bypass pipe 234 being in plumbing communication with the cooling tower 33. By arranging the bypass pipe 234, the high-humidity airflow centrifugally discharged by the spiral pipe 231 is sent into the cooling tower 33 for condensation, so that the water vapor dissipation is prevented from affecting the production quality of the micro-mesoporous felt.
The working principle of the invention is as follows: the air flow is compressed through the gradually-decreasing section 211 with the decreasing diameter, the diameter of the throat 212 is kept unchanged, the flow speed is maximum when the compressed air flow enters the throat 212, and the pressure is reduced, so that nitrogen output by the nitrogen making machine 5 is sucked, air mixed nitrogen flows through one side of the throat 212 close to the gradually-increasing section 213, a heating sheet is an electric heating part and is used for heating the mixed air flow, the heated mixed air flow flows into the gradually-increasing section 213, and the mixed air flow is in a turbulent state along with the abrupt increase of the diameter, so that the mixing degree is improved, and the mixed air flow is sent into the secondary drying cavity 13 to dry a product; the air supply direction of the mixed hot air flow comprises two parts, one part is guided to the flow guide block 22 through the flow guide channel on the air distribution plate 25, when the air flow flows through the flat flow surface 221 and the rising flow surface 222, the flow speed of the fluid close to the rising flow surface 222 is accelerated due to the longer stroke of the rising flow surface 222, a negative pressure area is formed at the wake flow part 223, surrounding air is closed to the negative pressure area, so that a vortex is formed, the product is subjected to negative pressure moisture absorption and drying through the negative pressure vortex, and the product is deformed to the direction close to the vortex under the action of low pressure; the other part of the mixed hot air is guided to the distribution plate 24 through a pipeline, high-pressure hot air is guided to the surface of a product through the pressurizing air passage 241, and when the high-pressure hot air flows through the surface of the product, heat radiation drying is carried out, meanwhile, the product is deformed in a direction away from the pressurizing air passage 241 through local high pressure, and the drying performance of the middle part of the product is improved through the combination of positive and negative pressure drying; in the product conveying process, the product deforms to the side close to the guide block 22 and deforms to the side far away from the distribution plate 24, so that the product forms an up-and-down fluctuation state in the secondary drying cavity 13, the drying stroke in the existing space is prolonged, physical support is not needed, and the drying efficiency is prevented from being influenced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Drying equipment is used in production of little mesoporous felt of blowing angularly adjustable, its characterized in that: the drying equipment comprises an oven (1), a flow guiding device (2), an exhaust device (3), an air compressor (4) and a nitrogen making machine (5), wherein the oven (1) is connected with the flow guiding device (2), the exhaust device (3) is communicated with the oven (1) through a pipeline, the air compressor (4) is communicated with the flow guiding device (2) through a pipeline, the nitrogen making machine (5) is communicated with the flow guiding device (2) through a pipeline, and the flow guiding device (2) is used for mixing gases conveyed by the air compressor (4) and the nitrogen making machine (5);
the feeding direction of the oven (1) is sequentially provided with a primary drying cavity (11), a modification cavity (12) and a secondary drying cavity (13), the secondary drying cavity (13) is communicated with the primary drying cavity (11) through a pipeline, and the flow guiding device (2) is connected with the secondary drying cavity (13);
The air compressor comprises an air compressor body (4) and a heating air pipe (21) and is characterized in that the air guide device (2) comprises a heating air pipe (21) and a circulating assembly (23), the air compressor body (4) is communicated with the heating air pipe (21) through a pipeline, a gradually-decreasing section (211), a throat part (212) and a gradually-decreasing section (213) are sequentially arranged on the heating air pipe (21) along the air supply direction, an air outlet end of the air compressor body (4) is communicated with the gradually-decreasing section (211), an air guide channel (214) is arranged on the outer ring of the throat part (212), an air outlet end of the nitrogen generator (5) is communicated with the air guide channel (214), a heating sheet is arranged on the inner ring of one side of the throat part (212) close to the gradually-decreasing section (213), an outlet of the gradually-decreasing section (213) is communicated with a pipeline of a secondary drying cavity (13), and the secondary drying cavity (13) is used for conveying air into a primary drying cavity (11) through the circulating assembly (23).
The flow guiding device (2) further comprises a plurality of flow guiding blocks (22) and distribution plates (24), the number of the flow guiding blocks (22) is the same as that of the distribution plates (24), the flow guiding blocks (22) and the distribution plates (24) are arranged in the secondary drying cavity (13), an air distribution plate (25) is arranged on one side of the flow guiding blocks (22), a flow guiding channel is arranged on the air distribution plate (25), a supercharging air channel (241) is arranged on the distribution plate (24), the supercharging air channel (241) is arranged towards one side opening of the micro-mesoporous felt, and outlets of the diverging sections (213) are respectively communicated with the flow guiding channel of the air distribution plate (25) and the supercharging air channel (241);
The drainage channel outlet of air distribution plate (25) is towards guide block (22), guide block (22) cross section width gradual change sets up, is equipped with plane of flow (221) and lift flow face (222) on guide block (22), lift flow face (222) arc sets up, and lift flow face (222) length is longer than plane of flow (221), plane of flow (221) and lift flow face (222) are being close to air distribution plate (25) one side and are crossing, and plane of flow (221) and lift flow face (222) end are equipped with wake flow portion (223), wake flow portion (223) are along the horizontal direction both sides setting of pay-off.
2. The drying device for producing micro-mesoporous mats with adjustable purging angle according to claim 1, wherein the drying device is characterized in that: the utility model discloses a micro-mesoporous felt, including micro-mesoporous felt, guide block (22), distributing plate (24), guide block (22), baffle (233) and baffle (233) are arranged along micro-mesoporous felt upper and lower both sides, are located guide block (22) and distributing plate (24) interval arrangement of same layer height, guide block (22) and along the corresponding setting of distributing plate (24) of different layer heights of vertical direction, circulating assembly (23) include baffle (233), baffle (233) are located distributing plate (24) and are close to micro-mesoporous felt one side.
3. The drying device for producing micro-mesoporous mats with adjustable purging angle according to claim 2, wherein the drying device is characterized in that: the circulating assembly (23) further comprises a spiral pipe (231), wherein an inlet of the spiral pipe (231) is respectively communicated with a space between two wake parts (223) and the tail end of the pressurizing air channel (241), the spiral pipe (231) is communicated with the air exhaust device (3), a splitter plate (232) is arranged at an outlet of the spiral pipe (231), the air exhaust device (3) comprises a dehumidifying pipe (31) and a fan (32), the dehumidifying pipe (31) is communicated with the fan (32) in a pipeline manner, the dehumidifying pipe (31) is provided with two, one dehumidifying pipe (31) is communicated with an inner layer separated by the splitter plate (232) at the outlet of the spiral pipe (231), and the other dehumidifying pipe (31) is communicated with the primary drying cavity (11);
The air guide device is characterized in that the air guide device (2) further comprises an adjusting component (26), an adjusting groove (14) is formed in the oven (1), the adjusting component (26) is arranged in the adjusting groove (14), and the outlet of a fan (32) close to the secondary drying cavity (13) is communicated with the adjusting component (26) through a pipeline.
4. The drying device for producing micro-mesoporous mats with adjustable purging angle according to claim 3, wherein the drying device comprises: the spiral pipe (231) is gradually changed in spiral diameter, the spiral diameter of the spiral pipe (231) is gradually decreased from bottom to top, and the upper end of the spiral pipe (231) is an outlet.
5. The drying device for producing micro-mesoporous mats with adjustable purging angle as defined in claim 4, wherein the drying device comprises: the adjusting assembly (26) comprises a tuyere (261) and a swinging motor (262), the swinging motor (262) is fixedly connected with the adjusting groove (14), and the output end of the swinging motor (262) is fixedly connected with the tuyere (261).
6. The drying device for producing micro-mesoporous mats with adjustable purging angle according to claim 5, wherein the drying device comprises: the exhaust device (3) further comprises a cooling tower (33), and a fan (32) close to the primary drying cavity (11) is communicated with the cooling tower (33) through a pipeline.
7. The drying device for producing micro-mesoporous mats with adjustable purging angle as defined in claim 6, wherein the drying device comprises: the circulation assembly (23) further comprises a bypass pipe (234), wherein the bypass pipe (234) is communicated with the outer layer at the outlet of the spiral pipe (231), and the outlet of the bypass pipe (234) is communicated with the pipeline of the cooling tower (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410866909.9A CN118391888B (en) | 2024-07-01 | 2024-07-01 | Drying equipment is used in production of little mesoporous felt of purge angle adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410866909.9A CN118391888B (en) | 2024-07-01 | 2024-07-01 | Drying equipment is used in production of little mesoporous felt of purge angle adjustable |
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| CN118391888B true CN118391888B (en) | 2024-09-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133149A (en) * | 1999-11-10 | 2001-05-18 | Nippon Telegr & Teleph Corp <Ntt> | Drier |
| CN106678087A (en) * | 2017-03-08 | 2017-05-17 | 华北电力大学（保定） | Device used for adjusting basic state parameters of working medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845080C2 (en) * | 1978-10-17 | 1981-10-08 | Casimir Kast Gmbh & Co Kg, 7562 Gernsbach | Device for heating a fleece |
| US5619806A (en) * | 1996-02-26 | 1997-04-15 | Warren; David W. | Drying of fiber webs |
| KR100538151B1 (en) * | 2002-11-09 | 2005-12-21 | 대한전기기계 주식회사 | Drying and feeding device for synthetic resins using high pressure nitrogen gas |
| KR101771632B1 (en) * | 2016-12-09 | 2017-08-25 | 한국진공주식회사 | Automatic in-line drying device for secondary battery plate |
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- 2024-07-01 CN CN202410866909.9A patent/CN118391888B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133149A (en) * | 1999-11-10 | 2001-05-18 | Nippon Telegr & Teleph Corp <Ntt> | Drier |
| CN106678087A (en) * | 2017-03-08 | 2017-05-17 | 华北电力大学（保定） | Device used for adjusting basic state parameters of working medium |
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| CN118391888A (en) | 2024-07-26 |
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