CN218653667U - Dry type waste gas dust filtering device - Google Patents
Dry type waste gas dust filtering device Download PDFInfo
- Publication number
- CN218653667U CN218653667U CN202223319407.XU CN202223319407U CN218653667U CN 218653667 U CN218653667 U CN 218653667U CN 202223319407 U CN202223319407 U CN 202223319407U CN 218653667 U CN218653667 U CN 218653667U
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- Prior art keywords
- dust
- pipe
- filter bag
- filter
- dust filtering
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- 239000000428 dust Substances 0.000 title claims abstract description 102
- 239000002912 waste gas Substances 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 title claims description 37
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 11
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 8
- 238000010168 coupling process Methods 0.000 abstract description 8
- 238000005859 coupling reaction Methods 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a dry-type waste gas dust filter, including straining the dirt storehouse, air inlet and gas vent have been seted up respectively to the both sides wall that strains the dirt storehouse relatively, the inside rigid coupling of top surface of straining the dirt storehouse has the dust removal board, one side rigid coupling that the dirt storehouse was kept away from to the dust removal board has the air current uniform distributor, the air current uniform distributor keep away from one side of dust removal board with strain the interior wall connection in dirt storehouse, the gas vent sets up in the top of air current uniform distributor, the inside length direction that is connected with a plurality of filter bags along its of top surface in straining the dirt storehouse, the filter bag is arranged in between dust removal board and the gas vent, mix the porous powder in the dust removal board. The utility model discloses guarantee at first through tentatively straining dirt in the waste gas access device, filter through the filter bag afterwards to the regular deashing prevents that the filter bag from blockking up, reduces the erosion and wear to equipment, reduces the impact load of filter bag, and extension equipment life improves the holistic stability of system, through the filter bag combined action of the dust removal board that mixes porous powder and coating hydrophobicity film, prevents that the filter bag from pasting the bag.
Description
Technical Field
The utility model belongs to the technical field of waste gas dust removal treatment equipment, concretely relates to dry-type waste gas dust filter.
Background
Conventional dry-type dust filter, after dusty waste gas got into the dust filter, through the guard plate that the entry set up, the dust that the granule is big, the proportion is big fell into the ash bucket because the effect of gravity subsides, still contains a large amount of tiny dust particles in the waste gas this moment, and the rethread is crossed the filter bag and is filtered the dust and is detained, makes waste gas obtain purifying discharge.
But because waste gas moisture content and cohesiveness are different under different operating modes, the moisture content is great, the cohesiveness is higher can lead to the filter bag to stick with paste the bag, the equipment attaches the wall phenomenon seriously, influence system dust collection efficiency and life, and the condensation phenomenon can appear in the dust filter device wallboard that is influenced by the difference in temperature, contain acid in the waste gas, alkaline corrosive gas leads to equipment to corrode seriously, make the device gas leakage, intensity reduces, it is sealed bad, the dust removal effect is poor, the limited deashing that leads to of filter bag jetting area leads to simultaneously is incomplete, the jetting effect is poor, influence the deashing effect of entire system, long-term operation can lead to the dust collection efficiency of device to reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dry-type waste gas dust filter has solved among the prior art problem that the too big filter bag of leading to of waste gas moisture content is stuck with paste the bag.
The utility model adopts the technical proposal that: dry-type waste gas dust filter, including straining the dirt storehouse, strain the relative both sides wall in dirt storehouse and seted up air inlet and gas vent respectively, strain the inside rigid coupling of top surface in dirt storehouse and have the dust removal board, the dust removal board is kept away from one side rigid coupling in straining the dirt storehouse and is had the air current uniform distributor, the air current uniform distributor is kept away from one side of dust removal board and is strained the interior wall connection in dirt storehouse, the gas vent sets up in the top of air current uniform distributor, it is connected with a plurality of filter bags along its length direction to strain the inside top surface in dirt storehouse, the filter bag is arranged in between dust removal board and the gas vent, mix the porous powder in the dust removal board.
The utility model is also characterized in that,
still include the air supply case, the top of air supply case is connected with the connecting pipe, the shaft of connecting pipe is connected with the air feed valve, the bottom rigid coupling of air supply case has first nipple joint pipe, the tip that the air supply case was kept away from to first nipple joint pipe has the jetting return bend through first bushing connection, the jetting return bend is kept away from first sheathed tube tip and is had the jetting person in charge through second bushing connection, the shaft of jetting person in charge is connected with a plurality of second nipple joint pipes along its length direction, the tip that the jetting person in charge was kept away from to every second nipple joint pipe all has the jetting branch pipe through third bushing connection, a plurality of blowing holes have been seted up along its length direction to the shaft of every jetting branch pipe, every jetting branch pipe stretches into in the filter bag that corresponds.
The distance between the end part of the blowing branch pipe far away from the third sleeve and the bottom of the filter bag is 50cm.
The inner wall of the dust filtering bin and the outer surface of the filter bag are both provided with hydrophobic films.
The bottom of the dust filtering bin is connected with a plurality of ash buckets which are arranged side by side, an ash discharge port is formed in the bottom of each ash bucket, and the ash discharge port is connected with an ash discharge valve.
The inner top surface of the dust filtering bin is connected with a pattern plate, and the pattern plate hole of the pattern plate is connected with the filter bag through a spring expansion ring.
The utility model has the advantages that: the utility model discloses dry-type waste gas dust filter, setting through antiseized knot dehumidification dust-separation board, moisture and cohesiveness dust in the effective waste gas that reduces, just strain dirt in the settlement zone, reduce and strain dirt load to rear end filtering area, can prolong filter bag life, apply the hydrophobicity film inoxidizing coating in the wallboard, but separation comdenstion water and wallboard direct contact, avoid making the wallboard take place to corrode because of corrosive gas contacts in comdenstion water and the waste gas, can further improve equipment strength and equipment leakproofness, filter bag surface coating hydrophobicity film inoxidizing coating, moisture in the separation waste gas, the waste gas moisture content after avoiding just straining causes the filter bag to paste the bag greatly, extension filter bag life.
Drawings
FIG. 1 is a schematic structural view of a dry type exhaust gas dust filter of the present invention;
fig. 2 is a schematic structural diagram of a blowing mechanism in the dry-type exhaust gas dust filter of the present invention.
In the figure, 1, an air inlet, 2, a dust filtering bin, 3, a dust separation plate, 4, an airflow distributor, 5, a hydrophobic film, 6, a filter bag, 7, an air outlet, 8, an air supply valve, 9, an air source box, 10, a blowing bent pipe, 11, a blowing main pipe, 12, a blowing branch pipe, 13, a pattern plate, 14, a spring expansion ring, 15, a first short-joint pipe, 16, a first sleeve pipe, 17, a second sleeve pipe, 18, a second short-joint pipe, 19, a third sleeve pipe, 20, an ash hopper, 21, an ash discharge port, 22, an ash discharge valve and 23, connecting pipes are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a dry-type waste gas dust filter, as shown in figure 1-2, including straining dirt storehouse 2, air inlet 1 and gas vent 7 have been seted up respectively to the both sides wall that strain dirt storehouse 2 is relative, the inside rigid coupling of top surface in dirt storehouse 2 has dust removal board 3, one side rigid coupling that dust removal storehouse 2 was kept away from to dust removal board 3 has air flow uniform distributor 4, air flow uniform distributor 4 keeps away from one side of dust removal board 3 with strain the interior wall connection in dirt storehouse 2, gas vent 7 sets up in air flow uniform distributor 4's top, the inside its length direction of following of top surface in dirt storehouse 2 is connected with a plurality of filter bags 6, filter bag 6 sets up between dust removal board 3 and gas vent 7, mix the porous powder in the dust removal board 3, as antiseized knot dehumidification baffle, the face coating hydrophobicity thin layer of dust removal board 3. The dust separation plate 3 is connected with the airflow uniform distributor 4 to separate the dust filtering bin 2 into a settling area and a filtering area, and the exhaust port 7 is arranged in the filtering area.
Waste gas enters a dust filtering bin 2 through an air inlet 1, large-particle dust in the waste gas is blocked by an anti-adhesion dehumidifying dust separation plate 3 doped with porous powder, primary dust filtering is carried out in a settling area, the dust filtering load of a rear-end filtering area is reduced, the flow direction of gas subjected to primary dust filtering is changed, the gas flows upwards from the bottom of an airflow uniform distributor 4, enters a filtering area through the airflow uniform distributor 4, then is filtered through a filter bag 6, and the filtered clean gas is discharged from an exhaust port 7.
Still include air supply box 9, the top of air supply box 9 is connected with connecting pipe 23, the shaft of connecting pipe 23 is connected with air feed valve 8, the bottom rigid coupling of air supply box 9 has first stub pipe 15, the tip that first stub pipe 15 kept away from air supply box 9 is connected with jetting return bend 10 through first sleeve pipe 16, the tip that first sleeve pipe 16 was kept away from to jetting return bend 10 is connected with jetting person in charge 11 through second sleeve pipe 17, jetting person in charge 11's shaft is connected with a plurality of second stub pipes 1 along its length direction, every second stub pipe 18 keeps away from the tip that jetting person in charge 11 all is connected with jetting branch pipe 12 through third sleeve pipe 19, a plurality of blowing holes have been seted up along its length direction to every jetting branch pipe 12's shaft, every jetting branch pipe 12 stretches into in the filter bag 6 that corresponds.
The distance between the end part of the injection branch pipe 12 far away from the third sleeve 19 and the bottom of the filter bag 6 is 50cm, so that the whole section of the filter bag 6 can be effectively cleaned. The blowing branch pipes 12 are disposed coaxially with the filter bag 6.
The two ends of the first sleeve 16, the second sleeve 17 and the third sleeve 19 are connected in a socket joint mode, and disassembly, assembly and maintenance are convenient. The filter bags 6 are periodically subjected to blowing ash removal, the air supply valve 8 is opened, compressed air in the air source box 9 is conveyed to the blowing main pipe 11 through the blowing bent pipe 10 and then distributed to the plurality of blowing branch pipes 12, and air sprayed from the plurality of blowing holes uniformly blows each filter bag 6.
The inner wall of the dust filtering bin 2 and the outer surface of the filter bag 6 are both provided with hydrophobic films 5. The inner wall of the dust filtering bin 2 is coated with the hydrophobic film 5, when the weather environment change wall plate generates condensed water, the condensed water is prevented from directly contacting with the condensed water to corrode equipment, the hydrophobic film 5 is coated on the surface of the filter bag 6 to block moisture in waste gas, the filter bag 6 is prevented from being stuck with dust due to large moisture content of the waste gas, the service life of the filter bag 6 is prolonged, and the dust removal efficiency of the filter bag 6 is improved.
The bottom of the dust filtering bin 2 is connected with a plurality of ash hoppers 20 arranged side by side, the ash hoppers 20 are supported by supporting rods, an ash discharge port 21 is formed in the bottom of each ash hopper 20, and an ash discharge valve 22 is connected to the ash discharge port 21 of each ash hopper 20. The dust removed in the filter bag 6 after being sprayed falls into the dust hopper 20, and the dust discharging valve 22 is periodically pulled out to discharge the dust removed in the dust hopper 20.
The inner top surface of the dust filtering bin 2 is connected with a flower plate 13, and the flower plate hole of the flower plate 13 is connected with the filter bag 6 through a spring piston ring 14. Each filter bag 6 corresponds to a spring piston ring 14, so that the filter bags 6 can be replaced conveniently.
The utility model discloses dry-type waste gas dust filter's theory of operation as follows:
the method comprises the steps that waste gas enters a dust filtering bin 2 through an air inlet 1, large-particle dust in the waste gas is blocked by an anti-bonding dehumidifying dust separating plate 3 doped with porous powder, primary dust filtering is carried out in a settling area, the gas after primary dust filtering changes the flow direction, flows upwards from the bottom of an airflow uniform distributor 4, enters a filtering area through the airflow uniform distributor 4, is filtered through a filter bag 6, the filtered clean gas is discharged from an exhaust port 7, the filter bag 6 needs to be subjected to blowing and dust removal periodically, when blowing operation is carried out, an air supply valve 8 is opened, compressed air in an air source box 9 is conveyed to a blowing main pipe 11 through a blowing bent pipe 10 and then distributed to a plurality of blowing branch pipes 12, gas sprayed from a plurality of blowing holes uniformly blows each filter bag 6, dust removed after blowing in the filter bag 6 falls into a dust hopper 20, and a dust discharging valve 22 is opened periodically to discharge the dust removed in the dust hopper 20.
The utility model discloses dry-type waste gas dust filter guarantees at first through tentatively straining dirt in the waste gas admission gear, filters through the filter bag afterwards to the regular deashing prevents that the filter bag from blockking up, reduces the erosion and wear to equipment, reduces the impact load of filter bag, and extension equipment life improves the holistic stability of system, through the filter bag combined action that mixes the dust partition plate of porous powder and coating hydrophobicity film, prevents that the filter bag from sticking with paste the bag.
Claims (6)
1. The dry type waste gas dust filtering device is characterized by comprising a dust filtering bin (2), wherein an air inlet (1) and an air outlet (7) are respectively formed in two opposite side walls of the dust filtering bin (2), a dust separation plate (3) is fixedly connected to the inside of the top surface of the dust filtering bin (2), an air flow distributor (4) is fixedly connected to one side, away from the dust filtering bin (2), of the dust separation plate (3), the air flow distributor (4) is connected with the inner wall of the dust filtering bin (2) on the side, away from the dust separation plate (3), of the inner wall, the air outlet (7) is formed in the upper portion of the air flow distributor (4), a plurality of filter bags (6) are connected to the inside of the top surface of the dust filtering bin (2) along the length direction of the inside of the top surface, the filter bags (6) are arranged between the dust separation plate (3) and the air outlet (7), and porous powder is mixed in the dust separation plate (3).
2. The dry-type exhaust gas dust filtering device according to claim 1, further comprising a gas source box (9), wherein a connecting pipe (23) is connected to the top of the gas source box (9), a gas supply valve (8) is connected to a pipe body of the connecting pipe (23), a first short-joint pipe (15) is fixedly connected to the bottom of the gas source box (9), an end portion, far away from the gas source box (9), of the first short-joint pipe (15) is connected to a blowing bent pipe (10) through a first sleeve pipe (16), an end portion, far away from the first sleeve pipe (16), of the blowing bent pipe (10) is connected to a blowing branch pipe (11) through a second sleeve pipe (17), a pipe body of the blowing main pipe (11) is connected to a plurality of second short-joint pipes (18) along the length direction thereof, an end portion, far away from the blowing main pipe (11), of each second short-joint pipe (18) is connected to a blowing branch pipe (12) through a third sleeve pipe (19), and a plurality of blowing holes are formed in the pipe body of each main pipe (12) along the length direction thereof, and the blowing branch pipe (12) extends into the corresponding filter bag (6).
3. A dry exhaust gas dust filtering device according to claim 2, wherein the end of the injection branch pipe (12) remote from the third casing (19) is located at a distance of 50cm from the bottom of the filter bag (6).
4. A dry exhaust gas dust filtering device according to claim 1, wherein the inner wall of the dust filtering chamber (2) and the outer surface of the filter bag (6) are provided with hydrophobic films (5).
5. A dry-type exhaust gas dust filtering device according to claim 1, wherein the bottom of the dust filtering bin (2) is connected with a plurality of dust hoppers (20) arranged side by side, the bottom of each dust hopper (20) is provided with a dust discharging port (21), and the dust discharging port (21) is connected with a dust discharging valve (22).
6. A dry type exhaust gas dust filter device according to claim 1, wherein the dust filter chamber (2) is connected with a pattern plate (13) at the inner top surface, and the pattern plate hole of the pattern plate (13) is connected with the filter bag (6) through a spring expansion ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319407.XU CN218653667U (en) | 2022-12-09 | 2022-12-09 | Dry type waste gas dust filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319407.XU CN218653667U (en) | 2022-12-09 | 2022-12-09 | Dry type waste gas dust filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218653667U true CN218653667U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223319407.XU Active CN218653667U (en) | 2022-12-09 | 2022-12-09 | Dry type waste gas dust filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218653667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117582748A (en) * | 2024-01-18 | 2024-02-23 | 江苏宇梦环保科技有限公司 | Automatic ash removal control method for bag type dust collector |
-
2022
- 2022-12-09 CN CN202223319407.XU patent/CN218653667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117582748A (en) * | 2024-01-18 | 2024-02-23 | 江苏宇梦环保科技有限公司 | Automatic ash removal control method for bag type dust collector |
| CN117582748B (en) * | 2024-01-18 | 2024-05-14 | 江苏宇梦环保科技有限公司 | Automatic ash removal control method for bag type dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dry exhaust gas dust filtering device Effective date of registration: 20231026 Granted publication date: 20230321 Pledgee: Xi'an Small and Micro Enterprise Financing Guarantee Co.,Ltd. Pledgor: Xi'an run Chuan Environmental Protection Technology Co.,Ltd. Registration number: Y2023610000710 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |