CN219091463U - Dust remover for spiral belt vacuum dryer - Google Patents
Dust remover for spiral belt vacuum dryer Download PDFInfo
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- CN219091463U CN219091463U CN202223217593.6U CN202223217593U CN219091463U CN 219091463 U CN219091463 U CN 219091463U CN 202223217593 U CN202223217593 U CN 202223217593U CN 219091463 U CN219091463 U CN 219091463U
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- dust removing
- dust removal
- dust remover
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- 239000000428 dust Substances 0.000 title claims abstract description 83
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 4
- 241001330002 Bambuseae Species 0.000 claims abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 4
- 239000011425 bamboo Substances 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 6
- 238000004887 air purification Methods 0.000 claims 2
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000001291 vacuum drying Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a dust remover for a spiral belt vacuum dryer, and relates to the technical field of dust removers. The dust removing box comprises a dust removing box body, a box body flower plate is arranged in the dust removing box body, the box body flower plate is used as a separation line in the dust removing box body, a dust removing chamber is arranged in the lower space, a filter cylinder is arranged in the dust removing chamber, a gas purifying chamber is arranged in the upper space, a blowing pipe is arranged in the gas purifying chamber, and a gas storage bag is arranged at the top of the dust removing box body. This a dust remover for spiral shell area vacuum drying machine, but the jam condition of automatic monitoring filter cartridge realizes the automatic deashing of pulse jetting system, through differential pressure sensor, the differential pressure signal transmission that is strained the section of thick bamboo around advances the PLC controller, only needs to set for the differential pressure value, just the automatic open and shut of control pulse valve of accessible PLC, no longer receives the influence of blowback cycle time length, can be effective timely clearance filter cartridge to reduce the condition of straining the jam by a wide margin, accurate control reduces and debugs and maintains the cost repeatedly.
Description
Technical Field
The utility model relates to the technical field of dust collectors, in particular to a dust collector for a spiral belt vacuum dryer.
Background
The spiral belt vacuum drier has the working principle that a spiral belt is utilized to lift materials in a rotating way, a conical jacket and a hollow spiral belt are filled with heat transfer medium at the same time, so that the heated materials are lifted from the periphery and fall from the middle, the heated and volatilized solvent is rapidly and continuously circularly turned over, and the heated and volatilized solvent is pumped away by a dust remover in a vacuum state, so that the materials can be dried and mixed in a short time.
The pulse dust collector used by the current spiral belt vacuum drier is characterized in that a pulse electromagnetic valve is controlled by a time relay, after the time is set, the pulse electromagnetic valve is periodically opened, compressed air is blown in, and the compressed air impacts a dust collection cloth bag or a filter cylinder, so that the dust collection effect is achieved.
But can only remove dust in the cycle that sets for, the concrete cycle time of dust removal is difficult to accurate control, and the time setting is too fast, can influence the vacuum degree of spiral shell area vacuum machine, reduces production efficiency, and time setting's is too slow, can lead to dust removal sack or filter cartridge to block up, influences the work of vacuum pump, can reduce production efficiency equally to the maintenance frequency of later stage has been increased.
Disclosure of Invention
The utility model provides a dust remover for a spiral belt vacuum dryer, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dust remover for spiral shell area vacuum dryer, includes the dust removal box, install box flower board in the dust removal box, and the inside of dust removal box uses box flower board as the separation line, and the lower part space is the clean room, the interior internally mounted of clean room has a section of thick bamboo, and the upper portion space is the air-purifying chamber, the interior internally mounted of clean air chamber has the jetting pipe, the top of dust removal box is installed and is stored the air package, and is connected with the pulse valve through the takeover on the air package, the pulse valve is connected with the jetting pipe through the takeover, install PLC controller and differential pressure sensor on the dust removal box respectively, differential pressure sensor and pulse valve respectively with PLC controller electric connection.
Further, the lower part of the dust removal chamber is provided with a vacuumizing inlet, and an air flow distribution plate is arranged at the position corresponding to the vacuumizing inlet in the dust removal chamber.
Further, the bottom of the dust removal chamber is connected with an ash discharge valve, and one side of the clean air chamber is provided with a vacuumizing outlet.
Further, a plurality of filter cartridges are uniformly distributed in the dust removing chamber.
Further, a venturi nozzle is mounted on the blowing pipe, and the venturi nozzle corresponds to the position of the filter cartridge.
Further, the filter cartridges are vertically arranged, and the venturi nozzles are in one-to-one correspondence with the filter cartridges.
Further, one pressure measuring port of the differential pressure sensor is positioned in the dust removing chamber, and the other pressure measuring port is positioned in the clean air chamber.
Further, the compressed gas storage bag is connected with a compressed gas connecting pipe, a control valve is arranged on the compressed gas connecting pipe, and the control valve is electrically connected with the PLC.
Compared with the prior art, the utility model provides the dust remover for the spiral belt vacuum dryer, which has the following beneficial effects:
this a dust remover for spiral shell area vacuum drying machine, but the jam condition of automatic monitoring filter cartridge realizes the automatic deashing of pulse jetting system, through differential pressure sensor, the differential pressure signal transmission that is strained the section of thick bamboo around advances the PLC controller, only needs to set for the differential pressure value, just the automatic open and shut of control pulse valve of accessible PLC, no longer receives the influence of blowback cycle time length, can be effective timely clearance filter cartridge to reduce the condition of straining the jam by a wide margin, accurate control reduces and debugs and maintains the cost repeatedly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is a structural view of the dust removing case of the present utility model.
In the figure: 1. a dust removal box; 2. a box body flower plate; 3. a dust removal chamber; 4. a filter cartridge; 5. a gas purifying chamber; 6. a blowing pipe; 7. a gas storage bag; 8. a pulse valve; 9. a PLC controller; 10. a differential pressure sensor; 11. a vacuum suction inlet; 12. an air flow distribution plate; 13. an ash discharge valve; 14. a vacuum outlet; 15. a venturi nozzle; 16. a compressed gas connection pipe; 17. and a control valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model discloses a dust remover for a spiral belt vacuum dryer, which comprises a dust removing box body 1, wherein a box body flower plate 2 is arranged in the dust removing box body 1, the box body flower plate 2 is used as a separation line in the dust removing box body 1, a lower space is a dust removing chamber 3, a filter cylinder 4 is arranged in the dust removing box body, a clean air chamber 5 is arranged in the upper space, a blowing pipe 6 is arranged in the air purifying chamber, a gas storage bag 7 is arranged at the top of the dust removing box body 1, a pulse valve 8 is connected to the gas storage bag 7 through a connecting pipe, the pulse valve 8 is connected with the blowing pipe 6 through a connecting pipe, a PLC controller 9 and a differential pressure sensor 10 are respectively arranged on the dust removing box body 1, the differential pressure sensor 10 and the pulse valve 8 are respectively electrically connected with the PLC controller 9, the blocking condition of the filter cylinder 4 can be automatically monitored, the automatic dust removing of the pulse blowing system is realized, the differential pressure signal before and after the filter cylinder 4 is transmitted into the PLC controller 9 through the differential pressure sensor 10, the pressure difference value is only required to be set, the filter cylinder 4 can be controlled to be repeatedly cleaned, the time and the time of the filter cylinder can be controlled by the valve is reduced, and the time of the filter cylinder can be repeatedly controlled, and the time and the filter cylinder can be repeatedly cleaned and the time is reduced.
Specifically, the lower part of the dust chamber 3 is provided with a vacuumizing inlet 11, and an air flow distribution plate 12 is arranged in the dust chamber 3 at a position corresponding to the vacuumizing inlet 11.
In this embodiment, the heated volatile solvent generated in the drying process of the spiral belt vacuum dryer is introduced into the dust remover through the vacuumizing inlet 11, and the airflow distribution plate 12 is beneficial to the rising of airflow and the falling of dust.
Specifically, the bottom of the dust removal chamber 3 is connected with an ash discharge valve 13, and one side of the clean air chamber 5 is provided with a vacuumizing outlet 14.
In this embodiment, due to the sudden expansion of the airflow section and the action of the airflow distribution plate 12, a part of coarse particles in the airflow are settled in the ash bucket part of the box under the action of dynamic and inertial forces, discharged through the ash discharge valve 13, and after the dust particles with fine granularity and small density enter the dust chamber 3, the dust is deposited on the surface of the filter material through the combined effects of brown diffusion, screening and the like, and the purified gas enters the air purifying chamber 5 and is discharged through the vacuum equipment through the vacuum outlet 14.
Specifically, a plurality of filter cartridges 4 are uniformly distributed in the dust removing chamber 3.
In this embodiment, a plurality of filter cartridges 4 are provided and uniformly arranged to perform dust removal better.
In particular, the blowing pipe 6 is provided with a venturi nozzle 15, and the venturi nozzle 15 corresponds to the position of the filter cartridge 4.
In this embodiment, the venturi tube is one of the dust removing equipment fittings, mainly utilizing its jet-suction effect, when the filter cartridge 4 or the filter bag ash cleaning, the secondary air of 5-8 times of the jet-blown compressed air is induced to enter the filter cartridge 4 or the filter bag when the high-speed air flow passes through the venturi tube, and the dust accumulated on the filter cartridge 4 or the filter bag falls off due to the reverse effect of the air flow, so that the venturi tube greatly improves the pulse jet-blown strength and effect, reduces the consumption of the compressed air, and saves energy.
Specifically, the filter cartridges 4 are vertically arranged, and the venturi nozzles 15 are in one-to-one correspondence with the filter cartridges 4.
In this embodiment, the venturi tubes are the same as the filter cartridges 4 or filter bags in number and in one-to-one correspondence, so that the blowing effect on the filter cartridges is better.
Specifically, one pressure measuring port of the differential pressure sensor 10 is located in the dust removing chamber 3, and the other pressure measuring port is located in the air purifying chamber 5.
In this embodiment, the working principle of the differential pressure sensor 10 is that two pressures of the measured medium are introduced into the high pressure chamber and the low pressure chamber, and act on the isolation diaphragms at two sides of the sensitive element, the two sides of the measurement diaphragm are transferred to the two sides of the measurement diaphragm through the isolating sheets and the filling liquid in the element, the measurement diaphragm and the electrodes on the insulating sheets at two sides respectively form a capacitor, when the pressures at two sides are inconsistent, the measurement diaphragm generates displacement, the displacement amount is in direct proportion to the pressure difference, so the capacitance at two sides is unequal, the capacitance at two sides is converted into a signal in direct proportion to the pressure through the oscillation and demodulation links, then the signal is modulated to obtain a modulation current, and the current of the demodulator is converted into a digital signal, and the value is used by the PLC controller 9 to determine the input pressure value.
Specifically, the air storage bag 7 is connected with a compressed air connecting pipe 16, a control valve 17 is installed on the compressed air connecting pipe 16, and the control valve 17 is electrically connected with the PLC controller 9.
In this embodiment, during the process of purifying the heated volatile solvent air flow through the filter cartridge 4, the dust accumulated on the filter cartridge 4 increases more and more along with the increase of time, the resistance of the filter cartridge 4 is increased, so that the processing air volume is gradually reduced, for normal operation, the resistance is controlled within a certain range, once the range is exceeded, the filter cartridge 4 must be cleaned, and when the range is exceeded, the pulse valve 8 is triggered and opened sequentially by the PLC controller 9, and the compressed air in the air storage bag 7 is sprayed into each corresponding filter cartridge 4 through the venturi nozzle 15 on the blowing pipe 6, so that the dust accumulated on the surface of the filter cartridge 4 falls off, and the filter cartridge 4 is restored to the initial state.
When the pulse blowing device is used, the blocking condition of the filter cylinder 4 can be automatically monitored, the automatic ash removal of the pulse blowing system is realized, the pressure difference signals before and after the filter cylinder 4 are transmitted into the PLC 9 through the pressure difference sensor 10, the opening and closing of the pulse valve 8 can be automatically controlled through the PLC only by setting the pressure difference value, the influence of the back blowing cycle time is avoided, the filter cylinder 4 can be effectively and timely cleaned, the blocking condition of the filter cylinder 4 is greatly reduced, the operation is accurately controlled, and the repeated debugging and maintenance cost is reduced.
To sum up, this a dust remover for spiral shell area vacuum drying machine can monitor the jam condition of straining a 4 voluntarily, realizes the automatic deashing of pulse jetting system, and through pressure sensor 10, the pressure differential signal transmission that strains a 4 front and back is strained a 4 advances PLC controller 9, only needs to set for the differential pressure value, just accessible PLC automatic control pulse valve 8 opens and shuts, no longer receives the influence of blowback cycle time length, and the clearance that can be effective timely strains a 4 to reduce a situation that strains a 4 jam by a wide margin, accurate control reduces and debugs and maintain the cost repeatedly.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dust remover for spiral shell area vacuum dryer, includes dust removal box (1), its characterized in that: install box card (2) in dust removal box (1), and the inside of dust removal box (1) uses box card (2) as the separation line, and the lower part space is dust removal room (3), dust removal room (3) internally mounted has a section of thick bamboo (4), and the upper portion space is air purification room (5), air purification room (5) internally mounted has jetting pipe (6), air storage package (7) are installed at the top of dust removal box (1), and are connected with pulse valve (8) through taking over on air storage package (7), pulse valve (8) are connected with jetting pipe (6) through taking over, install PLC controller (9) and differential pressure sensor (10) on dust removal box (1) respectively, differential pressure sensor (10) and pulse valve (8) are connected with PLC controller (9) electric property respectively.
2. A dust remover for a screw vacuum drier as claimed in claim 1, wherein: the lower part of the dust removal chamber (3) is provided with a vacuumizing inlet (11), and an air flow distribution plate (12) is arranged in the dust removal chamber (3) at a position corresponding to the vacuumizing inlet (11).
3. A dust remover for a screw vacuum drier as claimed in claim 1, wherein: the bottom of the dust chamber (3) is connected with an ash discharge valve (13), and one side of the clean air chamber (5) is provided with a vacuumizing outlet (14).
4. A dust remover for a screw vacuum drier as claimed in claim 1, wherein: the filter cartridges (4) are uniformly distributed in the dust removing chamber (3).
5. A dust remover for a screw vacuum drier as claimed in claim 4, wherein: a venturi nozzle (15) is arranged on the blowing pipe (6), and the venturi nozzle (15) corresponds to the position of the filter cartridge (4).
6. A dust remover for a screw vacuum drier as claimed in claim 5, wherein: the filter cartridges (4) are vertically arranged, and the venturi nozzles (15) are in one-to-one correspondence with the filter cartridges (4).
7. A dust remover for a screw vacuum drier as claimed in claim 1, wherein: one pressure measuring port of the differential pressure sensor (10) is positioned in the dust removing chamber (3), and the other pressure measuring port is positioned in the air purifying chamber (5).
8. A dust remover for a screw vacuum drier as claimed in claim 1, wherein: the air storage bag (7) is connected with a compressed air connecting pipe (16), a control valve (17) is arranged on the compressed air connecting pipe (16), and the control valve (17) is electrically connected with the PLC (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217593.6U CN219091463U (en) | 2022-12-02 | 2022-12-02 | Dust remover for spiral belt vacuum dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217593.6U CN219091463U (en) | 2022-12-02 | 2022-12-02 | Dust remover for spiral belt vacuum dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219091463U true CN219091463U (en) | 2023-05-30 |
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ID=86457178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223217593.6U Active CN219091463U (en) | 2022-12-02 | 2022-12-02 | Dust remover for spiral belt vacuum dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219091463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117101293A (en) * | 2023-10-11 | 2023-11-24 | 四川省绵竹澳东水泥有限责任公司 | A bag dust collector injection dust cleaning control system based on PLC control |
-
2022
- 2022-12-02 CN CN202223217593.6U patent/CN219091463U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117101293A (en) * | 2023-10-11 | 2023-11-24 | 四川省绵竹澳东水泥有限责任公司 | A bag dust collector injection dust cleaning control system based on PLC control |
| CN117101293B (en) * | 2023-10-11 | 2024-05-03 | 四川省绵竹澳东水泥有限责任公司 | Bag-type dust remover blowing ash removal control system based on PLC control |
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