CN214009870U - Flash evaporation drying device used in tetrabromobisphenol A production - Google Patents
Flash evaporation drying device used in tetrabromobisphenol A production Download PDFInfo
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- CN214009870U CN214009870U CN202120005209.2U CN202120005209U CN214009870U CN 214009870 U CN214009870 U CN 214009870U CN 202120005209 U CN202120005209 U CN 202120005209U CN 214009870 U CN214009870 U CN 214009870U
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Abstract
The utility model discloses a flash drying device used in tetrabromobisphenol A production, which comprises a flash dryer, wherein the gas phase outlet of the flash dryer is sequentially communicated with a cyclone dust collector, a bag-type dust collector and an absorption tank; the gas phase outlet of the absorption tank is communicated with the flash dryer; the material outlet of the cyclone dust collector is communicated with the material storage tank; a discharging pipe is arranged at the discharging port of the storage tank, an interlayer is welded on the outer side of the discharging pipe, and the interlayer is communicated with a vacuumizing device; an air inlet of the flash dryer is communicated with the air blower through an air inlet pipeline, and one end, close to the flash dryer, of the air inlet pipeline is provided with an inspection manhole; the control cabinet is used for controlling the flash dryer; an electric element is arranged in the control cabinet; and a gas purging device is arranged below the electric element. The device can effectively prevent dust from damaging the electric element by compressing air; and the black slag in the flash evaporation dryer is convenient to clean, the product quality is improved, the dust overflow is greatly reduced during discharging, the product yield is improved, and the environment protection is facilitated.
Description
Technical Field
The utility model relates to a chemical industry equipment field, concretely relates to flash drying device for in tetrabromobisphenol A production.
Background
Tetrabromobisphenol A is a derivative of bisphenol A, is white powder, is mainly used as an additive of plastic products, and is one of the commonly used brominated flame retardants. Tetrabromobisphenol A is used as a reactive flame retardant and can be used for epoxy resin, polyurethane resin and the like; can be used as additive flame retardant for polystyrene, SAN resin, ABS resin, etc.
A flash drying unit is used to dry the product during the preparation of tetrabromobisphenol A. The control cabinet for controlling the flash dryer during drying has no dustproof measures, and dust in a workshop easily enters electrical elements in the control cabinet to cause short circuit, so that the production safety is influenced. In addition, the flash dryer is easy to melt into black slag after being used for a long time, so that the product is easy to pollute, and the dust is large during discharging, so that the material waste is caused, and the environment is polluted.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the flash evaporation drying device for the tetrabromobisphenol A production is provided, and the device can effectively prevent dust from damaging electric elements by compressing air; and the black slag in the flash evaporation dryer is convenient to clean, the product quality is improved, the dust overflow is greatly reduced during discharging, the product yield is improved, and the environment protection is facilitated.
In order to solve the technical problem, the technical scheme of the utility model is that:
a flash evaporation drying device used in tetrabromobisphenol A production comprises a flash evaporation dryer, wherein a gas phase outlet of the flash evaporation dryer is communicated with a cyclone dust collector, and a gas phase outlet of the cyclone dust collector is communicated with a bag-type dust collector; the gas-phase outlet of the bag-type dust collector is communicated with an absorption tank; the gas phase outlet of the absorption tank is communicated with the flash dryer;
the material outlet of the cyclone dust collector is communicated with a material storage tank; a discharging pipe is arranged at a discharging port below the material storage tank, an interlayer is welded on the outer side of the discharging pipe, and the interlayer is communicated with a vacuumizing device;
an air inlet of the flash dryer is communicated with an air blower through an air inlet pipeline, and one end, close to the flash dryer, of the air inlet pipeline is provided with an inspection manhole;
the flash drying machine also comprises a control cabinet for controlling the flash drying machine; an electric element is arranged in the control cabinet; and a gas purging device is arranged below the electric element.
Preferably, the gas purging device includes a gas chamber and a gas inlet pipe communicated with the gas chamber; and one side of the gas chamber facing the electric element is provided with a gas outlet.
Preferably, a heater is provided on a connecting pipe between the gas phase outlet of the absorption tank and the blower.
Preferably, the liquid phase outlet below the absorption tank is communicated with a spray pipe arranged in the absorption tank through a circulating pipeline, and the circulating pipeline is provided with a circulating pump and a condenser.
Preferably, the gas-phase outlet of the bag-type dust collector and the connecting pipeline of the absorption tank are provided with an induced draft fan.
Preferably, a gas phase outlet at the top of the absorption tank is provided with a baffle plate.
Preferably, the absorption tank is internally provided with a heat dissipation layer and a filler layer.
Preferably, in the above technical solution, the heat dissipation layer is a heat dissipation array formed by a plurality of arc-shaped heat dissipation fins, both ends of which are connected to the inner wall of the absorption tank.
Preferably, a feeding screw is arranged at the feeding port of the flash dryer.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model provides a flash drying device used in tetrabromobisphenol A production, which comprises a flash dryer, wherein a gas phase outlet of the flash dryer is communicated with a cyclone dust collector, and a gas phase outlet of the cyclone dust collector is communicated with a bag-type dust collector; the gas-phase outlet of the bag-type dust collector is communicated with an absorption tank; the gas phase outlet of the absorption tank is communicated with the flash dryer. The material enters the cyclone separator for separation after being dried by the flash dryer, the separated gas enters the absorption tank for further washing away dust in the gas after being filtered by the bag-type dust remover, and the treated gas enters the flash dryer for reuse, so that the drying cost of the material is saved. The material outlet of the cyclone dust collector is communicated with a material storage tank; a discharging pipe is arranged at the discharging port below the storage tank, an interlayer is welded on the outer side of the discharging pipe, and the interlayer is communicated with a vacuumizing device. When the material in the storage tank is transferred through the discharging pipe, a micro negative pressure is formed in the interlayer through the vacuumizing device, so that dust is absorbed, and the environment is prevented from being polluted by the dust. An air inlet of the flash dryer is communicated with an air blower through an air inlet pipeline, and one end, close to the flash dryer, of the air inlet pipeline is provided with an inspection manhole. When inspection or clearance, only need open the inspection manhole, stretch into the intake stack with the clearance instrument and can operate, improved the security of clearance. The control cabinet is used for controlling the flash dryer; an electric element is arranged in the control cabinet; and a gas purging device is arranged below the electric element. The arrangement of the gas purging device can effectively avoid dust accumulation on the electrical element to cause short circuit, and protect the electrical element from being damaged.
The utility model provides a flash drying device used in tetrabromobisphenol A production, a gas purging device comprises a gas chamber and an air inlet pipe communicated with the gas chamber; and one side of the gas chamber facing the electric element is provided with a gas outlet. When the dust collector operates, compressed air is introduced into the gas chamber through the gas inlet pipe and is discharged from the plurality of gas outlet holes in the gas chamber, so that the electric element is subjected to gas sweeping, and the dust is prevented from falling onto the electric element to damage the electric element.
The utility model provides a pair of a flash drying device for in tetrabromobisphenol A production is provided with the heater on the gas phase export of adsorption tank and the connecting tube of air-blower. The gas treated in the absorption tank is reheated by the heater and enters the flash evaporation dryer for reuse through the blower, and drying cost is saved. The liquid phase outlet below the absorption tank is communicated with a spray pipe arranged in the absorption tank through a circulating pipeline, and the circulating pipeline is provided with a circulating pump and a condenser. The absorption liquid enters the absorption tank for reuse after being condensed by the condenser, so that the gas treatment cost is saved.
The utility model provides a pair of a flash drying device for in tetrabromobisphenol A production is provided with the draught fan on the connecting tube of the gaseous phase export of sack cleaner and absorption tank. The gas phase outlet at the top of the absorption tank is provided with a baffle plate, so that dust particles entrained by gas can be effectively intercepted, and the gas treatment efficiency is improved.
The utility model provides a flash drying device used in tetrabromobisphenol A production, a heat dissipation layer and a packing layer are respectively arranged in an absorption tank; the heat dissipation layer is a heat dissipation array formed by arc-shaped heat dissipation fins of which two ends are connected with the inner wall of the absorption tank; the gas entering the absorption tank fully contacts with the absorption liquid through the heat dissipation array and the packing layer which are formed by the arc-shaped radiating fins in sequence, so that the heat exchange efficiency of the gas and the absorption liquid is greatly improved, and the treatment efficiency of the gas is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a gas purging device;
FIG. 3 is a schematic view of the construction of an absorption tank;
FIG. 4 is a schematic structural diagram of a heat dissipation layer;
in the figure, 1, a flash dryer; 2. a cyclone dust collector; 3. a bag-type dust collector; 4. an absorption tank; 5. an induced draft fan; 6. a material storage tank; 7. discharging the material pipe; 8. an interlayer; 9. a vacuum pumping device; 10. an air inlet pipeline; 11. a blower; 12. an inspection manhole; 13. a heater; 14. a control cabinet; 15. an electrical component; 16. a gas purging device; 1601. a gas chamber; 1602. an air inlet pipe; 1603. an air outlet; 17. a striker plate; 18. a circulation pipe; 19. a shower pipe; 20. a circulation pump; 21. a condenser; 22. a heat dissipation layer; 23. a filler layer; 24. an arc-shaped heat radiating fin; 25. a feed screw.
Detailed Description
The invention is further explained below with reference to the drawings and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 to 4, a flash evaporation drying device for tetrabromobisphenol a production comprises a flash evaporation dryer 1, wherein a gas phase outlet of the flash evaporation dryer 1 is communicated with a cyclone dust collector 2, and a gas phase outlet of the cyclone dust collector 2 is communicated with a bag-type dust collector 3; a gas-phase outlet of the bag-type dust collector 3 is communicated with an absorption tank 4; a draught fan 5 is arranged on a connecting pipeline between a gas phase outlet of the bag-type dust collector 3 and the absorption tank 4; the gas phase outlet of the absorption tank 4 is communicated with the flash dryer 1.
The material outlet of the cyclone dust collector 2 is communicated with a material storage tank 6; a discharging pipe 7 is arranged at a discharging port below the material storage tank 6, an interlayer 8 is welded on the outer side of the discharging pipe 7, and the interlayer 8 is communicated with a vacuumizing device 9. A feed screw 25 is arranged at the feed inlet of the flash dryer 1.
When in drying, hot air is introduced into the flash dryer, after the temperature in the flash dryer meets the requirement, the materials are fed into the flash dryer through a feeding screw rod on the flash dryer, the materials entering the flash dryer rise by hot air, the moisture is removed at the same time, the dried materials are separated through a cyclone separator, and the separated materials enter a material storage tank; the separated gas phase is filtered by the bag-type dust collector, and the filtered gas enters the absorption tank for treatment and then is reheated and enters the flash evaporation dryer for recycling, so that the drying cost of the material is saved. When the material in the storage tank is transferred through the discharging pipe, a micro negative pressure is formed in the interlayer through the vacuumizing device, so that dust is absorbed, and the environment is prevented from being polluted by the dust.
An air inlet of the flash dryer 1 is communicated with an air blower 11 through an air inlet pipeline 10, and one end, close to the flash dryer 1, of the air inlet pipeline 10 is provided with an inspection manhole 12. After the air blower runs for a long time, part of impurities can be accumulated at the joint of the air inlet pipeline and the flash dryer and need to be cleaned regularly. This device sets up the inspection manhole near the one end of flash dryer on the air-supply line, when the inspection or when clearing up, only need open the inspection manhole, can operate in stretching into the air-supply line with the clearance instrument.
The gas phase outlet of the absorption tank 4 is communicated with the air inlet of the blower 11; a heater 13 is arranged on a connecting pipeline of the absorption tank 4 and the blower 11. The gas treated in the absorption tank can be reheated by the heater and enters the flash dryer for reuse through the blower, and drying cost is saved.
A control cabinet 14 for controlling the flash dryer 1; an electric element 15 is arranged in the control cabinet 14; a gas purging device 16 is arranged below the electric element 15; the arrangement of the gas purging device can effectively avoid dust accumulation on the electrical element to cause short circuit, and protect the electrical element from being damaged.
In this embodiment, the gas purging device 16 includes a gas chamber 1601 and an inlet pipe 1602 communicating with the gas chamber 1601; a gas outlet 1603 is provided on a side of the gas chamber 1601 facing the electric element 15. The gas used for purging may be selected to be nitrogen. When the dust collector operates, compressed air is introduced into the gas chamber through the gas inlet pipe and is discharged from the plurality of gas outlet holes in the gas chamber, so that the electric element is subjected to gas sweeping, and the dust is prevented from falling onto the electric element to damage the electric element.
In this embodiment, a gas phase outlet at the top of the absorption tank 4 is provided with a baffle 17 to prevent dust which is not washed away by the absorption liquid in the gas from being carried out along with the gas. A liquid phase outlet below the absorption tank 4 is communicated with a spray pipe 19 arranged in the absorption tank 4 through a circulating pipeline 18, and a circulating pump 20 and a condenser 21 are arranged on the circulating pipeline 18; the absorption liquid is reused after being condensed by the condenser, so that the tail gas treatment cost is saved. The absorption tank 4 is internally provided with a heat dissipation layer 22 and a filler layer 23 respectively; the heat dissipation layer 22 is a heat dissipation array formed by arc-shaped heat dissipation fins 24, two ends of which are connected with the inner wall of the absorption tank 4; the gas that enters into the absorption tank has some dust secretly, and the temperature is high, and gas passes through arc fin array, packing layer in proper order, fully contacts with the absorption liquid, and the heat exchange efficiency of gas and absorption liquid improves greatly, has improved gaseous treatment effeciency.
Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (9)
1. A flash drying device for tetrabromobisphenol A production which characterized in that: the device comprises a flash evaporation dryer, wherein a gas-phase outlet of the flash evaporation dryer is communicated with a cyclone dust collector, and a gas-phase outlet of the cyclone dust collector is communicated with a bag-type dust collector; the gas-phase outlet of the bag-type dust collector is communicated with an absorption tank; the gas phase outlet of the absorption tank is communicated with the flash dryer;
the material outlet of the cyclone dust collector is communicated with a material storage tank; a discharging pipe is arranged at a discharging port below the material storage tank, an interlayer is welded on the outer side of the discharging pipe, and the interlayer is communicated with a vacuumizing device;
an air inlet of the flash dryer is communicated with an air blower through an air inlet pipeline, and one end, close to the flash dryer, of the air inlet pipeline is provided with an inspection manhole;
the flash drying machine also comprises a control cabinet for controlling the flash drying machine; an electric element is arranged in the control cabinet; and a gas purging device is arranged below the electric element.
2. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: the gas purging device comprises a gas chamber and a gas inlet pipe communicated with the gas chamber; and one side of the gas chamber facing the electric element is provided with a gas outlet.
3. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a heater is arranged on a connecting pipeline between the gas phase outlet of the absorption tank and the blower.
4. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a liquid phase outlet below the absorption tank is communicated with a spray pipe arranged in the absorption tank through a circulating pipeline, and the circulating pipeline is provided with a circulating pump and a condenser.
5. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a draught fan is arranged on a gas phase outlet of the bag-type dust collector and a connecting pipeline of the absorption tank.
6. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a gas phase outlet at the top of the absorption tank is provided with a baffle plate.
7. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a heat dissipation layer and a packing layer are respectively arranged in the absorption tank.
8. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 7, wherein: the heat dissipation layer is a heat dissipation array formed by a plurality of arc-shaped heat dissipation fins of which two ends are connected with the inner wall of the absorption tank.
9. A flash drying apparatus for use in tetrabromobisphenol a production as recited in claim 1, wherein: and a feeding screw is arranged at the feed inlet of the flash evaporation dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005209.2U CN214009870U (en) | 2021-01-04 | 2021-01-04 | Flash evaporation drying device used in tetrabromobisphenol A production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005209.2U CN214009870U (en) | 2021-01-04 | 2021-01-04 | Flash evaporation drying device used in tetrabromobisphenol A production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214009870U true CN214009870U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120005209.2U Active CN214009870U (en) | 2021-01-04 | 2021-01-04 | Flash evaporation drying device used in tetrabromobisphenol A production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214009870U (en) |
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2021
- 2021-01-04 CN CN202120005209.2U patent/CN214009870U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 262714 Yangkou Chemical Industrial Park, Shouguang City, Weifang City, Shandong Province (West of Yanglin road and north of Donghai Road) Patentee after: Shandong XURUI New Material Co.,Ltd. Address before: 262714 Yangkou Chemical Industrial Park, Shouguang City, Weifang City, Shandong Province Patentee before: SHANDONG SUNRIS CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A flash drying device used in the production of tetrabromobisphenol A Effective date of registration: 20230815 Granted publication date: 20210820 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Weifang branch Pledgor: Shandong XURUI New Material Co.,Ltd. Registration number: Y2023980052362 |