CN213995171U - A bag filter with self-cleaning function - Google Patents
A bag filter with self-cleaning function Download PDFInfo
- Publication number
- CN213995171U CN213995171U CN202022546734.3U CN202022546734U CN213995171U CN 213995171 U CN213995171 U CN 213995171U CN 202022546734 U CN202022546734 U CN 202022546734U CN 213995171 U CN213995171 U CN 213995171U
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- bag
- filter
- dust removal
- dust
- box
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- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 112
- 238000007664 blowing Methods 0.000 claims abstract description 30
- 239000004071 soot Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 6
- 238000004887 air purification Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005272 metallurgy Methods 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
- 239000000779 smoke Substances 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本实用新型公开一种具有自清灰功能的袋式除尘器，包括从上至下依次设置的除尘箱体、净气箱体和灰尘容器，及进气烟道、出口烟道、吹灰装置、若干过滤组件和喷吹组件；除尘箱体底部同时与净气箱体、灰尘容器连通，净气箱体与灰尘容器相互独立不连通；进气烟道与除尘箱体连通；出口烟道同时与净气箱体、灰尘容器连通；吹灰装置与除尘箱体连通；过滤组件装在除尘箱体与净气箱体的连通处，包括骨架、套于骨架外部的滤袋，滤袋位于除尘箱体内；喷吹组件包括由外往内依次设置的气包、脉冲阀和喷吹管，喷吹管连通至净气箱体。本实用新型实现袋式除尘器在过滤烟气的同时利用气流流动进行对滤袋表面的清灰，使得袋式除尘器可以低阻力长时间稳定运行。
The utility model discloses a bag-type dust collector with self-cleaning function, which comprises a dust removal box body, a clean air box body and a dust container arranged in sequence from top to bottom, an intake flue, an outlet flue and a soot blowing device , several filter components and blowing components; the bottom of the dust removal box is connected with the clean gas box and the dust container at the same time, and the clean gas box and the dust container are independent and not connected to each other; the intake flue is connected with the dust removal box; the outlet flue is at the same time. It is connected with the clean air box and the dust container; the soot blowing device is connected with the dust removal box; the filter assembly is installed at the connection between the dust removal box and the clean air box, including the skeleton and the filter bag outside the skeleton, and the filter bag is located in the dust removal box. Inside the box; the blowing assembly includes an air bag, a pulse valve and a blowing pipe which are arranged in sequence from the outside to the inside, and the blowing pipe is connected to the clean air box. The utility model realizes that the bag filter can use the airflow to clean the surface of the filter bag while filtering the flue gas, so that the bag filter can operate stably for a long time with low resistance.
Description
Technical Field
The utility model relates to a dust collecting equipment technical field especially indicates a bag collector with from deashing function.
Background
The bag type dust collector is used as a common purification device for treating particulate matters in industrial waste gas, and is widely applied to the fields of metallurgy, chemical industry, electric power, building materials, mines and the like. The working process of a common bag type dust collector is divided into two parts of gas dust collection and filter bag dust removal, when smoke passes through a filter bag, particulate matters are intercepted on the surface of the filter bag to form a powder cake layer, when the powder cake layer reaches certain resistance, pulse dust removal in a mode of going out of the bag from the inside of the bag needs to be carried out, the difference between the pressure inside and outside the filter bag is eliminated, and the system is enabled to operate stably.
The existing bag type dust collector has the problems of unobvious dust cleaning effect, short dust cleaning period, high difficulty in maintenance work, high energy consumption of an air source and the like. In response to these difficulties, the prior patents propose corresponding solutions, such as:
patent number CN110787550A proposes a bag type dust collector which can simultaneously carry out dust removal and dust removal, thereby avoiding the mutual influence between the dust removal and improving the dust removal efficiency and the dust removal effect; secondly, a novel bag-type dust collector is provided by a patent number CN108854295A, so that the problem that a primary dust layer cannot be effectively protected during dust removal is solved; patent No. CN111068424A proposes a pulse bag-type dust collector, which can conveniently disassemble the dust-collecting bag; patent No. CN111298534A proposes a bag collector blowback deashing device, can strengthen the blowback deashing effect of the device; the patent No. CN201921668548.8 proposes a cloth bag type pulse dust collector, which solves the problem that a large amount of dust is gathered together and is not easy to treat in the prior art, and reduces the operation difficulty of operators; the patent number CN201911334966.8 provides a nozzle structure and an ash removal system for a pulse ash removal system of a bag type dust collector, which can effectively control the direction of blowing air flow at a nozzle, thereby obtaining more uniform blowing ash removal effect and reducing the damage to a filter bag.
Although the above patent can achieve certain effect on the dust cleaning and maintenance work of the bag type dust collector, the problem that a part of complex structures are connected for improving the dust cleaning effect also exists, the occurrence points of faults are naturally increased, and the difficulty of maintenance is improved; in addition, due to the thinking and definition, the traditional filter bag generally considers that the surface resistance of the filter bag is increased when the traditional filter bag filters industrial flue gas, and the ash removal effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have from deashing function bag collector, realize that bag collector utilizes the air current to flow when filtering the flue gas and carries out the deashing to the filter bag surface for bag collector can be low resistance long-time steady operation.
In order to achieve the above purpose, the solution of the present invention is:
a bag type dust collector with a self-dust-cleaning function comprises a dust collection box body, a gas purification box body and a dust container which are sequentially arranged from top to bottom, an air inlet flue, an outlet flue, a dust blowing device, a plurality of filtering assemblies and a blowing assembly; the bottom of the dust removal box body is simultaneously communicated with the air purification box body and the dust container, and the air purification box body and the dust container are mutually independent and are not communicated; the air inlet flue is communicated with the top of the dust removal box body; the outlet flue is simultaneously communicated with the gas purifying box body and the dust container; the soot blower is communicated with the bottom of the dust removal box body; the filter assembly is arranged at the communication position of the dust removal box body and the gas purification box body, and comprises a framework and a filter bag sleeved outside the framework, and the filter bag is positioned in the dust removal box body; the blowing assembly comprises an air bag, a pulse valve and a blowing pipe which are sequentially connected with the purified gas box body from outside to inside, and the blowing pipe is communicated to the purified gas box body.
The bottom of the dust removal box body is provided with a pattern plate, the pattern plate is horizontally arranged, a plurality of mounting holes and dust outlets are formed in the pattern plate, the mounting holes are communicated with the gas purification box body, the framework is mounted in the mounting holes, and the dust outlets are communicated with the dust container.
The area of the ash holes accounts for 30-60% of the total area of the pattern plate.
The dust removal box body is provided with an observation window.
The dust removal box body is provided with an access door, the access door is in pivot joint fit with the dust removal box body through a rotating shaft, and a handle is arranged on the outer surface of the access door.
The height of the access door is 20% -70% of the length of the filter bag.
The air inlet end of the soot blower is communicated with the outlet flue, the air outlet end of the soot blower is communicated with the dust removal box body, and an intelligent valve is arranged between the soot blower and the outlet flue.
The soot blowing frequency of the soot blower is set to 1 time/day to 24 times/day.
The filter bag is a chemical fiber filter bag, a rigid metal filter bag or a ceramic fiber filter tube.
After the technical scheme is adopted, the utility model changes the mode that the traditional gas purifying box body is positioned at the upper part of the dust removing box body on the external structure, and is provided with the pulse type blowing component for the standby dust removing state, the energy consumption of the dust removing air source is low, and the maintenance difficulty is reduced; structurally, the filter bag is installed in the dust removal box in handstand to the mode of going into down to go out is adopted to the air current direction, reselects with reasonable ash area and soot blower, makes the filter bag carry out the self-cleaning while filtering the flue gas, and the bottom dust of dust removal box is not remained, and the dust subsides effectually, and the deashing effect is showing and is improving, has guaranteed that bag collector can be long-time low resistance steady operation.
Drawings
FIG. 1 is a schematic diagram of an external structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of an ash hole according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second embodiment of an ash hole according to an embodiment of the present invention;
the reference numbers illustrate: a dust removal box body 1; an observation window 11; an access door 12; a rotating shaft 13; a handle 14; a gas purification box body 2; a dust container 3; an air intake flue 4; an outlet flue 5; a soot blower 6; a filter assembly 7; a skeleton 71; a filter bag 72; a blowing assembly 8; a gas bag 81; a pulse valve 82; an injection pipe 83; a pattern plate 9; a mounting hole 91; an ash hole 92; a smart valve 10.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The utility model relates to a bag collector with from clear ash function, include from last to the dust removal box 1, clean gas box 2 and the dust container 3 that set gradually down to and intake flue 4, export flue 5, soot blower 6, a plurality of filter assembly 7 and jetting subassembly 8.
The bottom of the dust removal box body 1 is simultaneously communicated with the air purification box body 2 and the dust container 3, and the air purification box body 2 and the dust container 3 are mutually independent and not communicated;
the air inlet flue 4 is communicated with the top of the dedusting box body 1;
the outlet flue 5 is simultaneously communicated with the gas purifying box body 2 and the dust container 3;
the soot blower 6 is communicated with the bottom of the dust removal box body 1;
the filtering component 7 is arranged at the communication part of the dust removal box body 1 and the gas purification box body 2, and comprises a framework 71 and a filter bag 72 sleeved outside the framework 71, wherein the filter bag 72 is positioned in the dust removal box body 1;
the blowing component 8 comprises an air bag 81, a pulse valve 82 and a blowing pipe 83 which are sequentially connected with the clean air box body 2 from outside to inside, and the blowing pipe 83 is communicated to the clean air box body 2.
Referring to fig. 1-4, a specific embodiment of the present invention is shown.
The dust removal box body 1 is in a square, a cuboid or an irregular shape, the bottom of the dust removal box body is provided with the pattern plate 9, the pattern plate 9 is horizontally arranged, a plurality of mounting holes 91 and dust outlets 92 are formed in the pattern plate 9, the mounting holes 91 are communicated to the air purification box body 2, the framework 71 is mounted in the mounting holes 91, and the dust outlets 92 are communicated to the dust container 3. Referring to fig. 3 and 4, the ash discharging holes 92 may be formed in a regular shape such as a circular shape or a rectangular shape, or in an irregular shape, so that the ash discharging manner has higher practicability and operability, the ash discharging efficiency is improved, the number of complicated devices is reduced, and the ash removing effect is remarkable.
The area of the dust outlet holes 92 accounts for 30 to 60 percent of the total area of the pattern plate 9.
The dust removal box body 1 is provided with an observation window 11 so as to observe the internal condition of the dust removal box body 1 on site and deal with the treatment of emergency events.
The dust removing box body 1 is provided with an access door 12, the access door 12 is in pivot joint with the dust removing box body 1 through a rotating shaft 13, and the outer surface of the access door is provided with a handle 14. The height of the access door 12 can be reasonably selected according to the length of the filter bag 72, so that the filter bag 72 can be conveniently replaced or other maintenance work can be conveniently carried out, the efficiency of replacing the filter bag 72 is improved, and the maintenance difficulty is reduced.
The height of the access door 12 is 20-70% of the length of the filter bag 72.
The gas purifying box 2 is composed of laminates, is connected to the lower part of the mounting hole 91 and is communicated to the outlet flue 5 by the combination flue.
The air inlet end of the soot blower 6 is communicated with the outlet flue 5, the air outlet end of the soot blower is communicated with the dust removal box body 1, and an intelligent valve 10 is arranged between the soot blower 6 and the outlet flue 5. In this embodiment, the soot blowing frequency of the soot blower 6 is set to 1 time/day to 24 times/day, and is set according to the dust concentration of the industrial flue gas to be filtered.
The filter bag 72 is a chemical fiber filter bag, a rigid metal filter bag or a ceramic fiber filter tube to adapt to different complex working conditions.
Through the scheme, the utility model changes the mode that the traditional gas purifying box body 2 is positioned at the upper part of the dust removing box body 1 on the external structure, and is provided with the pulse type blowing component 8 for the standby dust removing state, the energy consumption of the dust removing air source is low, and the maintenance difficulty is reduced; structurally, the filter bag 72 is installed in the dust removal box 1 in an inverted mode, the airflow direction adopts the mode of going into down and going out, and the reselect is with reasonable ash area and soot blower 6, so that the filter bag 72 carries out self-cleaning while filtering flue gas, the bottom dust of the dust removal box 1 is not remained, the dust subsides effectually, the soot cleaning effect is showing and is improving, and the bag type dust remover can be long-time low resistance steady operation guaranteed.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546734.3U CN213995171U (en) | 2020-11-06 | 2020-11-06 | A bag filter with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546734.3U CN213995171U (en) | 2020-11-06 | 2020-11-06 | A bag filter with self-cleaning function |
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| Publication Number | Publication Date |
|---|---|
| CN213995171U true CN213995171U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022546734.3U Active CN213995171U (en) | 2020-11-06 | 2020-11-06 | A bag filter with self-cleaning function |
Country Status (1)
| Country | Link |
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| CN (1) | CN213995171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337210A (en) * | 2020-11-06 | 2021-02-09 | 福州大学 | Bag collector with from deashing function |
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2020
- 2020-11-06 CN CN202022546734.3U patent/CN213995171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337210A (en) * | 2020-11-06 | 2021-02-09 | 福州大学 | Bag collector with from deashing function |
| CN112337210B (en) * | 2020-11-06 | 2024-08-20 | 福州大学 | Bag collector with self-cleaning function |
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