CN112495691B - Filter bag depth coating device for flue gas purification - Google Patents
Filter bag depth coating device for flue gas purification Download PDFInfo
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- CN112495691B CN112495691B CN202011161066.0A CN202011161066A CN112495691B CN 112495691 B CN112495691 B CN 112495691B CN 202011161066 A CN202011161066 A CN 202011161066A CN 112495691 B CN112495691 B CN 112495691B
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- box body
- coating liquid
- filter bag
- coating
- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses a deep coating device for a material for gas purification, which comprises an upper box body, a middle box body, a lower box body, a pattern plate, a locking device, a fan, a differential pressure gauge, a connecting shaft and an air outlet pipe, wherein the lower box body is a cone, one side of the lower box body is provided with a coating liquid inlet, the coating liquid inlet is connected with an atomizing device through a pipeline, a clean air inlet is arranged below the coating liquid inlet, the bottom of the lower box body is provided with a coating liquid outlet, and the coating liquid outlet is connected with a valve through a pipeline. The filter bag deep coating device for flue gas purification can atomize coating liquid, and the atomized nano-micron particles enter the filter bag material under the action of negative pressure suction to coat the filter bag fibers from outside to inside. The coating device disclosed by the invention is used for coating the filter bag, so that the coating is more uniform, the coating efficiency is accelerated, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a deep film coating device for a filter bag for flue gas purification.
Background
In industrial production, a large amount of exhaust gas in which solid particles are mixed with air is generated, and if the exhaust gas is directly discharged to the atmosphere, the exhaust gas pollutes the environment and affects the health of people or other living things. The dust remover is a common device which can effectively purify waste gas containing solid particles and remove dust in the gas, and the filter bag is a core component of the dust remover and determines the operation stability and the dust removal efficiency of the dust remover. However, the smoke components are complex, and besides solid particles, the smoke components also contain pollution components such as water vapor, oily aerosol, nitrogen oxides and the like, and the filter bag is required to stably operate under different complex working conditions. However, the prior filter bag has the problems of poor high temperature resistance, poor corrosion resistance and the like, and the filter bag needs to be further treated. The film coating of the inner and outer layers of the filter material of the filter bag is a commonly used technical means at present. Most of the coating methods used at present are filter material dip coating, a filter bag or a filter material of the filter bag is directly immersed in coating liquid, the coating liquid is difficult to permeate and immerse into the filter material or the filter bag, internal fibers cannot be coated, and the problems of uneven coating, easy blockage of filter pores and the like exist.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a filter bag deep coating device for flue gas purification, which can atomize coating liquid, wherein nano-micron particles atomized under the action of negative pressure suction enter the interior of filter bag materials, and filter bag fibers are coated from outside to inside. The coating device disclosed by the invention is used for coating the filter bag, so that the coating is more uniform, the coating efficiency is accelerated, and the production efficiency is improved.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a filter bag deep film coating device for flue gas purification comprises an upper box body, a middle box body, a lower box body, a pattern plate, a locking device, a fan, a differential pressure gauge, a connecting shaft and an air outlet pipe, wherein the lower box body is a cone, one side of the lower box body is provided with a film coating liquid inlet, the film coating liquid inlet is connected with an atomizing device through a pipeline, a clean air inlet is arranged below the film coating liquid inlet, the bottom of the lower box body is provided with a film coating liquid outlet, the film coating liquid outlet is connected with a valve through a pipeline, the middle box body is positioned at the upper part of the lower box body, the outer wall of the middle box body is provided with a heat preservation heating device, a temperature sensor is arranged in the middle box body, the pattern plate is positioned between the middle box body and the upper box body, the pattern plate is provided with pattern plate holes, the filter bag is hung on the pattern plate through the pattern plate holes, cage bones for supporting the filter bag are arranged in the filter bag, one side of the upper box body and the middle box body are connected through the connecting shaft, and the other side surfaces are connected through the locking device, the coating liquid sensor is arranged in the upper box body, a fan is arranged on one side of the upper box body and is connected with the upper box body through a pipeline, and an air outlet pipe is arranged at an air outlet of the fan.
Furthermore, the number of the atomization devices is 1 or more, and the atomization devices are uniformly distributed on the cross section of the lower box body.
Furthermore, the temperature sensor and the heat preservation heating device are in linkage control, the heat preservation heating temperature is set through the temperature sensor, and the temperature sensor feeds back and adjusts the starting and heating power of the heat preservation heating device.
Further, the locking device is a bolt or a hoop, and the number of the locking devices is 1 or more for each surface.
Furthermore, the coating liquid sensor is a VOC sensor, a humidity sensor or an aerosol laser sensor.
Furthermore, the temperature sensor, the differential pressure gauge and the coating liquid sensor are connected with the PLC control cabinet through signal lines.
Furthermore, a coating liquid control and metering device is arranged at the coating liquid inlet.
Furthermore, a clean air metering and adjusting device is arranged at the clean air inlet in a dry mode.
When the filter bag deep coating device is used for coating a filter bag, the filter bag is hung on a pattern plate of the coating device and is supported by a cage, coating liquid is atomized by the atomizing device and then enters the middle box body from bottom to top under the action of the fan, the coating liquid is infiltrated into the interior of a filter bag material under the action of negative pressure suction, the atomized coating liquid penetrates through the filter bag and is detected by the coating liquid detection device, the supply of the coating liquid is stopped, the middle box body heating and heat preservation device is started, the temperature solidification of the coating liquid is accelerated at high temperature, and redundant coating liquid in the coating device can be discharged at the bottom of the coating device for recycling.
Drawings
FIG. 1 is a schematic view of a coating apparatus according to the present invention.
The device comprises a box body, a locking device, a fan, a pressure difference meter, a connecting shaft, a gas outlet pipe, a heat-preservation heating device, a temperature sensor, a coating liquid inlet, an atomizing device, a clean air inlet, a coating liquid outlet and a valve, wherein the box body comprises 1-an upper box body, 2-a middle box body, 3-a lower box body, 4-a flower plate, 5-a locking device, a 6-a fan, a 7-a pressure difference meter, an 8-a connecting shaft, a 9-a gas outlet pipe, 201-a heat-preservation heating device, 202-a temperature sensor, a coating liquid inlet, a 302-atomizing device, 303-a clean air inlet, a 304-a coating liquid outlet and a 305-valve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and can be, for example, mechanically or electrically connected, or can be internal to two elements, directly connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, a filter bag deep coating device for flue gas purification comprises an upper box body 1, a middle box body 2, a lower box body 3, a pattern plate 4, a locking device 5, a fan 6, a differential pressure gauge 7, a connecting shaft 8 and an air outlet pipe 9, wherein the lower box body 3 is a cone, one side of the lower box body is provided with a coating liquid inlet 301, the coating liquid inlet 301 is connected with an atomizing device 302 through a pipeline, a clean air inlet 303 is arranged below the coating liquid inlet 301, the bottom of the lower box body 3 is provided with a coating liquid outlet 304, the coating liquid outlet 304 is connected with a valve 305 through a pipeline, a coating liquid control and metering device is arranged at the coating liquid inlet 301, and a clean air metering and adjusting device is arranged at the clean air inlet 303; the middle box body 2 is positioned at the upper part of the lower box body 3, the outer wall of the middle box body 2 is provided with a heat preservation heating device 201, a temperature sensor 202 is arranged in the middle box body 2, the temperature sensor 202 and the heat preservation heating device 201 are controlled in a linkage mode, the heat preservation heating temperature is set through the temperature sensor 202, and the temperature sensor 202 feeds back and adjusts the starting and heating power of the heat preservation heating device 201; the temperature sensor 202, the differential pressure gauge 7 and the coating liquid sensor are connected with the PLC control cabinet through signal lines; the flower plate 4 is located between the middle box body 2 and the upper box body 1, the flower plate 4 is provided with flower plate holes, the filter bag is hung on the flower plate 4 through the flower plate holes, cage bones used for supporting the filter bag are arranged in the filter bag, one side of the upper box body 1 and one side of the middle box body 2 are connected through a connecting shaft 8, other side surfaces are connected through a locking device 5, a pressure difference meter 7 is installed between the upper box body 1 and the middle box body 2 and is respectively connected with the upper box body 1 and the middle box body 2 through a pressure leading pipe, a coating liquid sensor 101 is installed inside the upper box body 1, a fan 6 is installed on one side of the upper box body 1 and is connected with the upper box body 1 through a pipeline, and an air outlet pipe 9 is installed at an air outlet of the fan 6.
In this embodiment, the number of the atomization devices 302 is 1 or more, and the atomization devices are uniformly distributed on the cross section of the lower box body.
In this embodiment, the locking device 5 is a bolt or a clamp, and the number of the locking devices is 1 or more per surface.
In this embodiment, the coating liquid sensor 101 is one of a VOC sensor, a humidity sensor, or an aerosol laser sensor.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A filter bag deep coating device for flue gas purification is characterized by comprising an upper box body (1), a middle box body (2), a lower box body (3), a pattern plate (4), a locking device (5), a fan (6), a differential pressure gauge (7), a connecting shaft (8) and an air outlet pipe (9), wherein the lower box body (3) is a cone, one side of the lower box body is provided with a coating liquid inlet (301), the coating liquid inlet (301) is connected with an atomizing device (302) through a pipeline, a clean air inlet (303) is arranged below the coating liquid inlet (301), the bottom of the lower box body (3) is provided with a coating liquid outlet (304), the coating liquid outlet (304) is connected with a valve (305) through a pipeline, the middle box body (2) is positioned at the upper part of the lower box body (3), the outer wall of the middle box body (2) is provided with a heat preservation heating device (201), a temperature sensor (202) is arranged in the middle box body (2), the pattern plate (4) is positioned between the middle box body (2) and the upper box body (1), the pattern plate (4) is provided with pattern plate holes, the filter bag is hung on the pattern plate (4) through the pattern plate holes, cage bones for supporting the filter bag are arranged in the filter bag, one sides of the upper box body (1) and the middle box body (2) are connected through a connecting shaft (8), the other sides of the upper box body and the middle box body are connected through a locking device (5), a differential pressure gauge (7) is arranged between the upper box body (1) and the middle box body (2) and is respectively connected with the upper box body (1) and the middle box body (2) through a pressure leading pipe, a film coating liquid sensor (101) is arranged in the upper box body (1), a fan (6) is arranged on one side of the upper box body (1) and is connected with the upper box body (1) through a pipeline, and an air outlet pipe (9) is arranged at an air outlet of the fan (6); the temperature sensor (202) and the heat preservation heating device (201) are controlled in a linkage mode, the heat preservation heating temperature is set through the temperature sensor (202), and the temperature sensor (202) feeds back and adjusts the starting and heating power of the heat preservation heating device (201); and the temperature sensor (202), the differential pressure gauge (7) and the coating liquid sensor are connected with the PLC control cabinet through signal lines.
2. The filter bag deep coating device for flue gas purification as claimed in claim 1, wherein the number of the atomization devices (302) is 1 or more, and the atomization devices are uniformly distributed on the cross section of the lower box body.
3. The filter bag deep coating device for flue gas purification as claimed in claim 1, wherein the locking device (5) is a bolt or a clamp, and the number is 1 or more per surface.
4. The filter bag deep coating device for flue gas purification as claimed in claim 1, wherein said coating liquid sensor (101) is a VOC sensor, a humidity sensor or an aerosol laser sensor.
5. The filter bag deep coating device for flue gas purification as claimed in claim 1, wherein a coating liquid control and metering device is installed at the coating liquid inlet (301).
6. The filter bag deep coating device for flue gas cleaning according to claim 1, wherein the clean air inlet (303) is dry-equipped with a clean air metering and adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161066.0A CN112495691B (en) | 2020-10-27 | 2020-10-27 | Filter bag depth coating device for flue gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161066.0A CN112495691B (en) | 2020-10-27 | 2020-10-27 | Filter bag depth coating device for flue gas purification |
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| Publication Number | Publication Date |
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| CN112495691A CN112495691A (en) | 2021-03-16 |
| CN112495691B true CN112495691B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011161066.0A Active CN112495691B (en) | 2020-10-27 | 2020-10-27 | Filter bag depth coating device for flue gas purification |
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| Publication number | Publication date |
|---|---|
| CN112495691A (en) | 2021-03-16 |
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