CN215784630U - Dust coating device of electric bag dust collector - Google Patents
Dust coating device of electric bag dust collector Download PDFInfo
- Publication number
- CN215784630U CN215784630U CN202121584960.9U CN202121584960U CN215784630U CN 215784630 U CN215784630 U CN 215784630U CN 202121584960 U CN202121584960 U CN 202121584960U CN 215784630 U CN215784630 U CN 215784630U
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- China
- Prior art keywords
- blowing
- pipe assembly
- branch pipe
- ash bucket
- dust collector
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- 239000000428 dust Substances 0.000 title claims abstract description 79
- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 238000007664 blowing Methods 0.000 claims abstract description 56
- 238000002309 gasification Methods 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims 1
- 239000002956 ash Substances 0.000 abstract description 52
- 239000010881 fly ash Substances 0.000 abstract description 13
- 230000007547 defect Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The utility model discloses an ash coating device of an electric bag dust remover. It includes manual air door, female pipe assembly of jetting, jetting ring pipe assembly and jetting branch pipe assembly, its characterized in that: the manual air door is installed on a blowing main pipe, the blowing main pipe assembly is communicated with an outlet pipeline of an ash bucket gasification fan and a blowing ring pipe assembly, the blowing ring pipe assembly and the blowing branch pipe assemblies are both installed on the side wall of an ash bucket in a cloth bag area of the electric bag dust collector, one end of each blowing branch pipe of the blowing branch pipe assembly is communicated with the blowing ring pipe, and the other end of each blowing branch pipe of the blowing branch pipe assembly extends into the ash bucket of the dust collector. The utility model is arranged on the ash bucket of the bag-type dust remover, and uses the gasification air of the ash bucket as the blowing air source to blow the fly ash stored in the ash bucket of the bag-type dust remover into the cavity of the dust remover, thereby completing the ash coating work of the bag and realizing the circulation of the fly ash in the dust remover.
Description
Technical Field
The utility model belongs to the technical field of dust removal, and particularly relates to an electrostatic bag dust remover dust coating device.
Background
The electrostatic bag dust collector is an organic combination of the electrostatic dust collector and the bag-type dust collector, overcomes the defects of harsh requirement of the electrostatic dust collector on specific resistance of dust, low dust removal efficiency and the like, and the defects of high running resistance of the bag-type dust collector, short service life of the bag-type dust collector and the like, is widely applied to various fields of electric power, metallurgy, chemical industry and the like, and is main equipment for removing dust from boiler flue gas. Because the boiler is usually ignited by fuel oil, in order to prevent unburned oil mist from polluting the outer surface of the cloth bag and causing the cloth bag to lose the filtering effect, the cloth bag needs to be subjected to ash coating treatment before the boiler is ignited.
The prior cloth bag ash coating process utilizes compressed air as an air source to convey fly ash in an ash storehouse to an inlet flue of a dust remover through a pneumatic conveying system. Or a tank truck with a pneumatic conveying system is used for conveying the fly ash to an inlet flue of the dust remover. The above processes all need to be provided with a special pneumatic conveying system, and an available ash silo or a tank car is needed nearby. When a hydraulic or mechanical ash removal system is adopted and no available ash storehouse or tank car is arranged near the dust remover, the conventional cloth bag ash coating process cannot be implemented; when the electric bag dust collector is adopted, most of fly ash conveyed by the conventional bag ash coating process is captured by an electric field, about 20 percent of fly ash which can reach a bag area is left, and the ash coating working efficiency is very low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the background technology and provide the dust coating device of the electric bag dust collector. The device is arranged on the ash bucket of the dust remover, a pneumatic conveying system is not needed, the fly ash stored in the ash bucket of the dust remover and the gasification air of the ash bucket are utilized to carry out cloth bag ash coating operation, and meanwhile, the circulation of the fly ash in the dust remover can be realized.
The technical scheme adopted by the utility model is as follows: the utility model provides an electricity bag dust collector scribbles grey device, includes manual air door, the female pipe assembly of jetting, jetting ring pipe subassembly and jetting branch pipe assembly, manual air door is installed on the female pipe of jetting, the female pipe assembly of jetting communicates ash bucket gasification fan exit tube and jetting ring pipe subassembly, jetting ring pipe subassembly and jetting branch pipe assembly are all installed on the lateral wall of electricity bag dust collector sack district ash bucket, each jetting branch pipe one end and the jetting ring pipe intercommunication of jetting branch pipe assembly, the other end stretches into in the dust remover ash bucket.
Further preferred structure, manual air door adopts flange joint to install in the female pipe middle part of jetting, and the air door aperture is adjustable. The manual air door is arranged at a position convenient for operation of the blowing main pipe. The manual air door can adjust the air quantity and the air pressure by adjusting the opening degree, and the working temperature is not lower than 200 ℃.
Further preferred structure, the female pipe assembly of jetting contains two female pipes of jetting, and one end and ash bucket gasification fan export pipeline intercommunication, and the other end establishes a plurality of trompil, with jetting ring canal subassembly intercommunication. In a further preferred structure, the injection ring pipe assembly comprises a plurality of injection ring pipes which are communicated with the injection main pipe, and a plurality of downward holes are formed in the middle of the injection ring pipe assembly and communicated with the injection branch pipes. The gasification air is conveyed to the blowing ring pipe, and the uniform air pressure in the blowing ring pipe is ensured as much as possible.
In a further preferred construction, the blow manifold assembly includes a plurality of blow manifold assemblies, each blow manifold assembly including a manual ball valve and a blow manifold.
In a further preferred structure, one end of the injection branch pipe is communicated with the injection ring pipe, the other end of the injection branch pipe extends into the ash bucket of the dust remover and is welded with the side wall of the ash bucket, and the opening is upward.
In a further preferred structure, the manual ball valve is installed in the middle of the blowing branch pipe in a threaded connection mode. The working temperature is not lower than 200 ℃, and the air inlet amount can be adjusted by adjusting the opening of the valve.
Compared with the prior art, the utility model has the following advantages: the ash coating device of the electric bag dust collector utilizes the gasified air of the ash bucket as an air source to blow the fly ash in the ash bucket of the dust collector into the cavity of the dust collector, thereby finishing the ash coating operation of the cloth bag. The device does not need matched conveying equipment and an external ash source, and realizes the circulation of the fly ash in the dust remover; the structure is simple, the air inlet amount and the air pressure are adjustable, and the dust is uniformly coated; the equipment investment is less, and the operating cost is low; the dust remover can be integrated on the equipment body in the production process of the electric bag dust remover, can also technically improve the running electric bag dust remover, and does not influence the running and safety of the dust remover.
Drawings
FIG. 1 is a system diagram of an electric bag dust remover ash coating device;
FIG. 2 is a schematic view of the installation of the electric bag dust remover ash coating device;
FIG. 3 is a schematic cross-sectional view of an A-A dust coating device of the electric bag dust collector;
figure 4 is a schematic view of a purge leg installation.
1. A manual damper; 2. a blowing header assembly; 3. a blowing ring pipe assembly; 4. a blowing branch pipe assembly; 41. a manual ball valve; 42. a blowing branch pipe; 5. an ash bucket gasification fan; 6. a cloth bag area; 7. an electric field; 8. two electric fields; 9. the outer wall of an ash bucket in a bag area of the dust collector; 10. the bag area of the dust collector is the inner wall of the ash bucket.
Detailed Description
The utility model will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the utility model, but are for clear understanding.
As shown in fig. 1-4, the present invention comprises a manual air door 1, a blowing main pipe component 2, a blowing ring pipe component 3 and a blowing branch pipe assembly 4. The injection ring pipe component 3 and the injection branch pipe assembly 4 are both arranged on the side wall of the ash bucket in the bag area of the electric bag dust remover. The injection main pipe assembly 2 is communicated with the outlet of the ash bucket gasification fan 5 and the injection ring pipe assembly 3. The manual air door 1 is arranged on the blowing main pipe assembly 2.
In this embodiment, as shown in fig. 1-2, the manual damper 1 is connected by a flange and is installed at a position convenient for operation of the blowing main pipe.
In this embodiment, as shown in fig. 1-2, the blowing main pipe assembly 2 is composed of two blowing main pipes, one end of each blowing main pipe is connected to the outlet pipeline of the ash bucket gasification fan 5 in a welded manner, and the other end of each blowing main pipe is provided with a plurality of openings which are connected to the blowing ring pipe assembly 3 in a welded manner.
In this embodiment, as shown in fig. 1-3, the injection ring pipe assembly 3 is composed of a plurality of injection ring pipes, the injection ring pipes are all communicated with the injection main pipe, and the middle part of the injection ring pipe assembly is provided with a plurality of downward holes which are communicated with the injection branch pipes in a welding manner.
In this embodiment, and as shown in figures 1-4, the blow manifold assembly 4 is comprised of several blow manifold assemblies, each of which includes a manual ball valve 41 and a blow manifold 42.
One end of the injection branch pipe 42 is communicated with the injection ring pipe component 3 in a welding way, and the other end of the injection branch pipe extends into the dust hopper of the dust remover and is welded with the side wall of the dust hopper, and the opening is upward. The manual ball valve 41 is installed at the middle of the blowing branch pipe 42 by a screw connection.
In this embodiment, as shown in fig. 1-2, the ash bucket gasification air enters the ash bucket of the dust collector from the outlet of the injection branch pipe 42 through the manual air door 1, the injection main pipe component 2, the injection circular pipe component 3 and the injection branch pipe assembly 4, and the fly ash in the ash bucket is injected into the cavity of the dust collector to perform the cloth bag ash coating operation.
In this embodiment, the working temperature allowed by the manual damper 1 and the manual ball valve 41 is not lower than 200 ℃.
In this embodiment, before the boiler is started, the manual air door 1 and the manual ball valve 41 are opened, and the ash bucket gasification fan is started to perform cloth bag ash coating operation. After the completion of the ash coating, the manual damper 1 and the manual ball valve 41 are closed to perform the boiler ignition operation.
The whole set of device is arranged on an ash bucket of a bag-type dust collector of an electric bag dust collector, and the fly ash stored in the ash bucket of the bag-type dust collector is sprayed into a cavity of the dust collector by using gasification air of the ash bucket as a spraying air source, so that the bag-type dust coating work is completed, and the circulation of the fly ash in the dust collector is realized. The device does not need external ash source and conveying equipment, is not limited by site conditions, has even ash coating of the cloth bag and good oil mist prevention effect, and is widely applied to industries needing electric bag dust remover, such as electric power, chemical industry, environmental protection and the like.
Those not described in detail in this specification are within the skill of the art.
Claims (7)
1. The utility model provides an ash device is scribbled to electricity bag dust remover, includes manual air door, the female pipe assembly of jetting, jetting ring pipe assembly and jetting branch pipe assembly, its characterized in that: the manual air door is installed on a blowing main pipe, the blowing main pipe assembly is communicated with an outlet pipeline of an ash bucket gasification fan and a blowing ring pipe assembly, the blowing ring pipe assembly and the blowing branch pipe assemblies are both installed on the side wall of an ash bucket in a cloth bag area of the electric bag dust collector, one end of each blowing branch pipe of the blowing branch pipe assembly is communicated with the blowing ring pipe, and the other end of each blowing branch pipe of the blowing branch pipe assembly extends into the ash bucket of the dust collector.
2. The electrostatic bag dust collector dust coating device according to claim 1, wherein: the manual air door is installed in the middle of the blowing main pipe through flange connection, and the opening degree of the air door is adjustable.
3. The electrostatic bag dust collector dust coating device according to claim 1, wherein: the blowing main pipe assembly comprises two blowing main pipes, one end of each blowing main pipe is communicated with an outlet pipeline of the ash bucket gasification fan, and the other end of each blowing main pipe is provided with a plurality of holes communicated with the blowing ring pipe assembly.
4. The electrostatic bag dust collector dusting device according to claim 1 or 3, characterized in that: the blowing ring pipe assembly comprises a plurality of blowing ring pipes which are communicated with the blowing main pipe, and a plurality of downward holes which are communicated with the blowing branch pipes are formed in the middle of the blowing ring pipe assembly.
5. The electrostatic bag dust collector dust coating device according to claim 1, wherein: the blowing branch pipe assembly comprises a plurality of blowing branch pipe assemblies, and each blowing branch pipe assembly comprises a manual ball valve and a blowing branch pipe.
6. The electrostatic bag dust collector dust coating device according to claim 5, wherein: one end of the injection branch pipe is communicated with the injection ring pipe, the other end of the injection branch pipe extends into the ash bucket of the dust remover and is welded with the side wall of the ash bucket, and the opening is upward.
7. The electrostatic bag dust collector dust coating device according to claim 5, wherein: the manual ball valve is installed in the middle of the blowing branch pipe through threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584960.9U CN215784630U (en) | 2021-07-13 | 2021-07-13 | Dust coating device of electric bag dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584960.9U CN215784630U (en) | 2021-07-13 | 2021-07-13 | Dust coating device of electric bag dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215784630U true CN215784630U (en) | 2022-02-11 |
Family
ID=80181668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121584960.9U Active CN215784630U (en) | 2021-07-13 | 2021-07-13 | Dust coating device of electric bag dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215784630U (en) |
-
2021
- 2021-07-13 CN CN202121584960.9U patent/CN215784630U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee after: Hubei Electric Power Planning, Design and Research Institute Co.,Ltd. Address before: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee before: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. |