CN111298571B - Waste gas bidirectional entering type filtering device - Google Patents
Waste gas bidirectional entering type filtering device Download PDFInfo
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- CN111298571B CN111298571B CN201911325439.0A CN201911325439A CN111298571B CN 111298571 B CN111298571 B CN 111298571B CN 201911325439 A CN201911325439 A CN 201911325439A CN 111298571 B CN111298571 B CN 111298571B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a waste gas bidirectional entering type filtering device which comprises a filtering tank, wherein a gas outlet pipeline is arranged at the top of the filtering tank, a gas outlet bin is arranged at the top end of the gas outlet pipeline, a gas outlet groove is formed in the top surface of the gas outlet bin, a first gas inlet pipeline is arranged at the side part of the filtering tank, one end of the first gas inlet pipeline is connected with the side part of the filtering tank, and a first gas inlet pump is arranged at the other end of the first gas inlet pipeline; the bottom of the filtering tank is provided with a water inlet pipeline, the upper end of the water inlet pipeline is installed at the center of the bottom shaft of the filtering tank, the lower end of the water inlet pipeline is provided with a water inlet hose, the lower end of the water inlet hose is provided with a water suction pump, and the water inlet pipeline is connected with the water inlet hose through a butt joint. The invention enables the fog water to penetrate through the filter screen and be discharged from the air outlet pipeline, thereby greatly improving the efficiency of filtering the waste gas; the filtered waste gas enters the bin body through the spray nozzle, and the bin body physically filters the gas again through the activated carbon particles in the filter core.
Description
Technical Field
The invention relates to a filtering device, in particular to a waste gas bidirectional inlet type filtering device.
Background
The exhaust filter is an improved, efficient and regenerable exhaust emission filter and filter system that incorporates filter elements using inorganic non-woven fibers. The filter is capable of capturing exhaust pollutants and particulates through the interweaving of the filter elements and due to the increased area applied to the filter elements, including microscopic enhancements. The filter has an extended life and is able to burn a greater percentage of trapped particulates because the filter element can withstand high temperatures. The filter element is formed from a non-woven fiber block that is machined or formed into a filter substrate. The filter element may have a plurality of coatings and coated catalysts, and may be encased in insulation and a case. The improved exhaust emission filter is particularly useful for diesel engine exhaust. The existing waste gas filter is inconvenient for carrying out bidirectional suction and purification treatment on waste gas, and has low efficiency of carrying out filtration treatment on the waste gas.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a spray pump for spraying pumped water, wherein the spray pump sprays water from a spray hole through a spray pipe and a spray shell, so that the water passes through a filter screen and is discharged from an air outlet pipeline, and the efficiency of filtering waste gas is greatly improved; the filtered waste gas enters the bin body through the spray nozzle, and the bin body physically filters the gas again through the activated carbon particles in the filter core.
The invention is realized by the following technical scheme:
the waste gas bidirectional entering type filtering device comprises a filtering tank, wherein an air outlet pipeline is arranged at the top of the filtering tank, an air outlet bin is arranged at the top end of the air outlet pipeline, an air outlet groove is formed in the top surface of the air outlet bin, a first air inlet pipeline is arranged on the side portion of the filtering tank, one end of the first air inlet pipeline is connected with the side portion of the filtering tank, and a first air inlet pump is arranged at the other end of the first air inlet pipeline; the bottom of the filtering tank is provided with a water inlet pipeline, the upper end of the water inlet pipeline is installed at the central position of a bottom shaft of the filtering tank, the lower end of the water inlet pipeline is provided with a water inlet hose, the lower end of the water inlet hose is provided with a water suction pump, and the water inlet pipeline is connected with the water inlet hose through a butt joint; a second air inlet pipeline is externally connected to the bottom of the filter tank, an exhaust switch is arranged at the end part of the second air inlet pipeline, a waste gas branch pipe is arranged at the upper part of the outer end of the second air inlet pipeline, and a second air inlet pump is arranged at the top end of the waste gas branch pipe; the filter tank comprises a tank body, the inner top surface of the tank body is provided with a filter screen group, and the filter screen group comprises a first filter screen and a second filter screen; the spraying pipe is arranged in the tank body, the top end of the spraying pipe is provided with a spraying shell, the top surface of the spraying shell is provided with a plurality of spraying holes, the bottom end of the spraying pipe is provided with a spraying pump, the lower end of the spraying pipe is connected with the top end of the water inlet pipeline, the side part of the tank body is provided with a side hole, the top end of the first air inlet pipeline is arranged at the position of the side hole, the bottom of the tank body is provided with a bottom hole, and the top end of the second air inlet pipeline is arranged at the position of the bottom hole; the air outlet bin comprises a bin body, a filter element is arranged in the bin body, the interior of the filter element is of a cavity structure, the surface of the filter element is of a net structure, and activated carbon particles are filled in the filter element; the inner bottom of the bin body is provided with a spray nozzle, and the top end of the air outlet pipeline is connected with the bottom of the spray nozzle.
Further, the lateral part position of crossing the filter tank is equipped with the scavenging solution and adds the mechanism, and the scavenging solution adds the mechanism and includes the side pipe, and the axial position of side pipe is equipped with the side opening, the inner and the spray pump intercommunication of side pipe, and the outer end of side pipe is equipped with the curb plate, and the lateral wall position of curb plate is equipped with the liquid reserve tank, and the inboard of liquid reserve tank is equipped with to the pipe, and the one end of butt joint pipe and the inside intercommunication of liquid reserve tank, the other end of butt joint pipe and the outer end intercommunication of side pipe, the top of liquid reserve tank are equipped with the external joint.
Further, the outside of curb plate is equipped with the operating handle, and the pipe of pegging graft is installed to the inner of operating handle, and the pipe of pegging graft is installed on the curb plate, and the outer end of operating handle is equipped with the grab handle to the face position inwards.
Furthermore, the grab handle is of a sheet structure, the inner end of the grab handle is connected with the outer end of the operating handle in an inward facing position, and the outer end of the grab handle is a free end.
Furthermore, a sealing pipe is arranged between the liquid storage tank and the butt joint pipe.
Furthermore, the inner end of the side pipe is connected with the spraying pump through a liquid inlet pipe.
Furthermore, a pressurizing bin is arranged in the middle of the second air inlet pipeline, a pressurizing piston is arranged inside the pressurizing bin, a pressurizing shaft is arranged at the axial position of the top of the pressurizing bin, the lower end of the pressurizing shaft is connected with the pressurizing piston, a pressurizing rod is arranged at the upper end of the pressurizing shaft, one end of the pressurizing rod is connected with an operating handle, a pressure applying arm is arranged at the other end of the pressurizing rod, a fixing block is arranged on the second air inlet pipeline, and an installing shaft is arranged between the lower portion of the pressure applying arm and the upper portion of the fixing block.
Furthermore, the outer end of the operating handle is provided with an anti-slip sleeve.
Furthermore, be equipped with a plurality of location axles on the top surface of going out the gas storehouse, the lower extreme of location axle is installed on the top surface of going out the gas storehouse, and the upper end of location axle is the free end.
Furthermore, an air inlet shell is arranged at the top end of the waste gas branch pipe, an exhaust branch pipe is arranged at the side part of the air inlet shell, and a control switch is arranged on the exhaust branch pipe.
The invention has the beneficial effects that: an operator places a water suction pump in a clean water tank, the water suction pump pumps water in the clean water tank into a filter tank through a water inlet hose and a water inlet pipeline, the pumped water is sprayed by a spray pump, the spray pump is sprayed out from a spray hole through a spray pipe and a spray shell, so that fog water is discharged from an air outlet pipeline through a first filter screen and a second filter screen, and the fog water is sprayed out from an air outlet groove of an air outlet bin by the air outlet pipeline; meanwhile, the first air inlet pump pumps in waste gas, the waste gas enters the tank body through the first air inlet pipeline, the waste gas is fully mixed with mist, and the waste gas is subjected to two-stage filtration treatment through the first filter screen and the second filter screen; the second air inlet pump pumps in waste gas, the waste gas is input from the bottom of the tank body through the waste gas branch pipe and the second air inlet pipeline, the waste gas is fully mixed with mist, and the waste gas is subjected to double-stage filtration treatment through the first filter screen and the second filter screen; the efficiency of filtering the waste gas is greatly improved; the waste gas after filtration treatment then gets into the storehouse body through the atomizer, and the storehouse body carries out physics filtration once more to gas through the active carbon granule in the filter core, has improved waste gas purification efficiency greatly.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic structural view of an exhaust gas two-way inlet type filtering device of the present invention.
Fig. 2 is a schematic structural diagram of the purification liquid adding mechanism according to the present invention.
Fig. 3 is a schematic structural diagram of the filter tank of the present invention.
Fig. 4 is a schematic structural view of the gas outlet bin of the present invention.
Fig. 5 is a schematic structural view of the filter shell of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 5, the two-way waste gas inlet type filtering device includes a filtering tank 1, an air outlet pipe 2 is arranged at the top of the filtering tank 1, an air outlet bin 3 is arranged at the top end of the air outlet pipe 2, an air outlet groove 4 is arranged at the top surface of the air outlet bin 3, a first air inlet pipe 6 is arranged at the side part of the filtering tank 1, one end of the first air inlet pipe 6 is connected with the side part of the filtering tank 1, and a first air inlet pump 7 is arranged at the other end of the first air inlet pipe 6; the bottom of the filter tank 1 is provided with a water inlet pipeline 8, the upper end of the water inlet pipeline 8 is installed at the central position of a bottom shaft of the filter tank 1, the lower end of the water inlet pipeline 8 is provided with a water inlet hose 9, the lower end of the water inlet hose 9 is provided with a water suction pump 11, and the water inlet pipeline 8 is connected with the water inlet hose 9 through a butt joint 10; a second air inlet pipeline 12 is externally connected to the bottom of the filter tank 1, an exhaust switch 13 is arranged at the end part of the second air inlet pipeline 12, an exhaust branch pipe 14 is arranged at the upper part of the outer end of the second air inlet pipeline 12, and a second air inlet pump 17 is arranged at the top end of the exhaust branch pipe 14; the filter tank 1 comprises a tank body 39, and a filter screen group is arranged on the inner top surface of the tank body 39 and comprises a first filter screen 40 and a second filter screen 41; an atomizing pipe 42 is arranged in the tank body 39, an atomizing shell 43 is arranged at the top end of the atomizing pipe 42, a plurality of atomizing holes 44 are arranged on the top surface of the atomizing shell 43, an atomizing pump 45 is arranged at the bottom end of the atomizing pipe 42, the lower end of the atomizing pipe 42 is connected with the top end of the water inlet pipeline 8, a side hole 47 is arranged at the side part of the tank body 39, the top end of the first air inlet pipeline 6 is arranged at the position of the side hole 47, a bottom hole 48 is arranged at the bottom of the tank body 39, and the top end of the second air inlet pipeline 12 is arranged at the position of the bottom hole 48; the gas outlet bin 3 comprises a bin body 49, a filter element 50 is arranged in the bin body 49, the filter element 50 is of a cavity structure, the surface of the filter element 50 is of a net structure, and activated carbon particles 51 are filled in the filter element 50; the inner bottom of the bin body 49 is provided with a spray nozzle 52, and the top end of the air outlet pipeline 2 is connected with the bottom of the spray nozzle 52.
According to the waste gas bidirectional-entering type filtering device, an operator places the water suction pump 11 in the clean water tank, the water suction pump 11 pumps water in the clean water tank into the filtering tank 1 through the water inlet hose 9 and the water inlet pipeline 8, the pumped water is sprayed through the spray pump 45, the spray pump 45 is sprayed out of the spray holes 44 through the spray pipe 42 and the spray shell 43, so that fog water penetrates through the first filter screen 40 and the second filter screen 41 and is discharged from the gas outlet pipeline 2, and the gas outlet pipeline 2 sprays the fog water out of the gas outlet groove 4 of the gas outlet bin 3; meanwhile, the first air inlet pump 7 pumps in the waste gas, the waste gas enters the tank body 39 through the first air inlet pipeline 6, the waste gas is fully mixed with the mist, and the waste gas is subjected to double-stage filtration treatment through the first filter screen 40 and the second filter screen 41; the second air inlet pump 17 pumps in the waste gas, the waste gas is input from the bottom of the tank body 39 through the waste gas branch pipe 14 and the second air inlet pipeline 12, the waste gas is fully mixed with the mist, and the two-stage filtration treatment is carried out on the waste gas through the first filter screen 40 and the second filter screen 41; the efficiency of filtering the waste gas is greatly improved; the filtered waste gas enters the bin body 49 through the spray nozzle 52, and the bin body 49 physically filters the gas again through the activated carbon particles 51 in the filter element 50, so that the waste gas purification efficiency is greatly improved.
Preferably, a purified liquid adding mechanism 28 is arranged at a side position of the filter tank 1, the purified liquid adding mechanism 28 comprises a side pipe 29, a side hole 31 is arranged at an axial position of the side pipe 29, the inner end of the side pipe 29 is communicated with a spray pump 45, a side plate 30 is arranged at the outer end of the side pipe 29, a liquid storage tank 35 is arranged at the outer side wall position of the side plate 30, a butt joint pipe 36 is arranged at the inner side of the liquid storage tank 35, one end of the butt joint pipe 36 is communicated with the inside of the liquid storage tank 35, the other end of the butt joint pipe 36 is communicated with the outer end of the side pipe 29, and an external joint 38 is arranged at the top of the liquid storage tank 35; the external joint 38 is connected with a purification liquid tank to enable purification liquid to enter the liquid storage tank 35, the liquid storage tank 35 enables the purification liquid to be conveyed into the spray pump 45 through the butt joint pipe 36 and the side pipe 29, the spray pump 45 carries out spray treatment on the purification liquid, so that clean water fog, purification liquid fog and waste gas are mixed, and the waste gas is purified more fully; the efficiency of purifying waste gas is higher.
Preferably, an operating handle 32 is arranged on the outer side of the side plate 30, an inserting pipe 33 is installed at the inner end of the operating handle 32, the inserting pipe 33 is installed on the side plate 30, and a holding handle 34 is arranged at the inward facing position of the outer end of the operating handle 32; the grab handle 34 is a sheet structure, the inner end of the grab handle 34 is connected with the outer end of the operating handle 32 in an inward facing position, and the outer end of the grab handle 34 is a free end; the insertion tube 33 is convenient for an operator to operate through the operating handle 32 and the holding handle 34, and the side tube 29 and the side plate 30 are firmly installed.
Preferably, a sealing pipe 37 is arranged between the liquid storage tank 35 and the butt joint pipe 36; the inner end of the side pipe 29 is connected with the spray pump 45 through a liquid inlet pipe 46; the liquid tank 35 and the butt pipe 36 are sealed by a seal pipe 37, and the inner end of the side pipe 29 and the spray pump 45 are firmly butted by a liquid inlet pipe 46.
Preferably, a pressurizing bin 20 is arranged in the middle of the second air inlet pipeline 12, a pressurizing piston is arranged in the pressurizing bin 20, a pressurizing shaft 21 is arranged at the axial position of the top of the pressurizing bin 20, the lower end of the pressurizing shaft 21 is connected with the pressurizing piston, a pressurizing rod 22 is arranged at the upper end of the pressurizing shaft 21, one end of the pressurizing rod 22 is connected with an operating handle 26, a pressurizing arm 24 is arranged at the other end of the pressurizing rod 22, a fixing block 23 is arranged on the second air inlet pipeline 12, and an installation shaft 25 is arranged between the lower part of the pressurizing arm 24 and the upper part of the fixing block 23; the outer end of the operating handle 26 is provided with an anti-skid sleeve 27; an operator operates the pressure increasing rod 22 through the operating handle 26, the front end of the pressure increasing rod 22 rotates around the mounting shaft 25 through the pressure applying arm 2, the middle end of the pressure increasing rod 22 applies pressure to the pressure increasing shaft 21 up and down, and the pressure increasing piston in the pressure increasing bin 20 reciprocates up and down through the pressure increasing shaft 21, so that the gas in the second air inlet pipeline 12 flows to be subjected to pressure increasing operation, and the efficiency of conveying waste gas through pressure increasing is higher.
Preferably, the top surface of the air outlet bin 3 is provided with a plurality of positioning shafts 5, the lower ends of the positioning shafts 5 are arranged on the top surface of the air outlet bin 3, and the upper ends of the positioning shafts 5 are free ends; the top surface of the air outlet bin 3 is conveniently positioned and installed through the positioning shaft 5.
Preferably, the top end of the exhaust branch pipe 14 is provided with an air inlet shell 15, the side part of the air inlet shell 15 is provided with an exhaust branch pipe 16, and the exhaust branch pipe 16 is provided with a control switch; the exhaust branch pipe 16 is controlled to be opened and closed through a control switch, so that the air inlet shell 15 is conveniently controlled to be opened and closed.
Preferably, the middle part of the second air inlet pipe 12 is provided with a filter shell 18, the outer side part of the filter shell 18 is provided with an adjusting handle 19, the filter shell 18 comprises a filter shell 53, an outer core 54 is installed inside the filter shell 53, an inner core 56 is installed inside the outer core 54, the surfaces of the inner core 56 and the outer core 54 are both of a net structure, and the inner core 56 and the outer core 54 are both of a honeycomb structure; a rotating shaft 55 is axially arranged between the inner core 56 and the outer core 54, one end of the adjusting handle 19 is connected with the rotating shaft 55, and the other end of the adjusting handle 19 is a free end; the outer core 54 and the inner core 56 can be used for conveniently carrying out double-stage filtration treatment on the waste gas; the efficiency of the waste gas prefiltering treatment is realized, and the operator can control the rotating shaft 55 to rotate through the adjusting handle 19, and the rotating shaft 55 rotates to drive the outer core 54 and the inner core 56 to rotate, so that the waste gas is fully filtered.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. The waste gas bidirectional entering type filtering device comprises a filtering tank, wherein an air outlet pipeline is arranged at the top of the filtering tank, an air outlet bin is arranged at the top end of the air outlet pipeline, an air outlet groove is formed in the top surface of the air outlet bin, a first air inlet pipeline is arranged on the side portion of the filtering tank, one end of the first air inlet pipeline is connected with the side portion of the filtering tank, and a first air inlet pump is arranged at the other end of the first air inlet pipeline; the bottom of the filtering tank is provided with a water inlet pipeline, the upper end of the water inlet pipeline is installed at the central position of a bottom shaft of the filtering tank, the lower end of the water inlet pipeline is provided with a water inlet hose, the lower end of the water inlet hose is provided with a water suction pump, and the water inlet pipeline is connected with the water inlet hose through a butt joint; a second air inlet pipeline is externally connected to the bottom of the filter tank, an exhaust switch is arranged at the end part of the second air inlet pipeline, a waste gas branch pipe is arranged at the upper part of the outer end of the second air inlet pipeline, and a second air inlet pump is arranged at the top end of the waste gas branch pipe;
the filter tank comprises a tank body, the inner top surface of the tank body is provided with a filter screen group, and the filter screen group comprises a first filter screen and a second filter screen; the spraying pipe is arranged in the tank body, the top end of the spraying pipe is provided with a spraying shell, the top surface of the spraying shell is provided with a plurality of spraying holes, the bottom end of the spraying pipe is provided with a spraying pump, the lower end of the spraying pipe is connected with the top end of the water inlet pipeline, the side part of the tank body is provided with a side hole, the top end of the first air inlet pipeline is arranged at the position of the side hole, the bottom of the tank body is provided with a bottom hole, and the top end of the second air inlet pipeline is arranged at the position of the bottom hole; the air outlet bin comprises a bin body, a filter element is arranged in the bin body, the interior of the filter element is of a cavity structure, the surface of the filter element is of a net structure, and activated carbon particles are filled in the filter element; the inner bottom of the bin body is provided with a spray nozzle, and the top end of the air outlet pipeline is connected with the bottom of the spray nozzle;
the method is characterized in that: a purified liquid adding mechanism is arranged at the side part of the filter tank and comprises a side pipe, a side hole is arranged at the axial position of the side pipe, the inner end of the side pipe is communicated with the spray pump, a side plate is arranged at the outer end of the side pipe, a liquid storage tank is arranged at the outer side wall position of the side plate, a butt joint pipe is arranged at the inner side of the liquid storage tank, one end of the butt joint pipe is communicated with the inside of the liquid storage tank, the other end of the butt joint pipe is communicated with the outer end of the side pipe, and an external joint is arranged at the top of the liquid storage tank; the outer side of the side plate is provided with an operating handle, the inner end of the operating handle is provided with an inserting pipe, the inserting pipe is arranged on the side plate, and the outer end of the operating handle is internally provided with a grab handle facing the surface; the grab handle is of a sheet structure, the inner end of the grab handle is connected with the outer end of the operating handle in an inward facing position, and the outer end of the grab handle is a free end; a sealing pipe is arranged between the liquid storage tank and the butt joint pipe; the inner end of the side pipe is connected with the spraying pump through a liquid inlet pipe.
2. The exhaust gas bi-directional inlet filter device of claim 1, wherein: the middle part of the second air inlet pipeline is provided with a pressurizing bin, a pressurizing piston is arranged in the pressurizing bin, a pressurizing shaft is arranged at the axial position of the top of the pressurizing bin, the lower end of the pressurizing shaft is connected with the pressurizing piston, a pressurizing rod is arranged at the upper end of the pressurizing shaft, one end of the pressurizing rod is connected with an operating handle, the other end of the pressurizing rod is provided with a pressure applying arm, a fixing block is arranged on the second air inlet pipeline, and an installation shaft is arranged between the lower part of the pressure applying arm and the upper part of the fixing block.
3. The exhaust gas bi-directional inlet filter device of claim 2, wherein: the outer end of the operating handle is provided with an anti-skid sleeve.
4. The exhaust gas bi-directional inlet filter device of claim 1, wherein: be equipped with a plurality of location axles on the top surface of gas outlet bin, the lower extreme of location axle is installed on the top surface of gas outlet bin, and the upper end of location axle is the free end.
5. The exhaust gas bi-directional inlet filter device of claim 1, wherein: an air inlet shell is arranged at the top end of the waste gas branch pipe, an exhaust branch pipe is arranged at the side part of the air inlet shell, and a control switch is arranged on the exhaust branch pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325439.0A CN111298571B (en) | 2019-12-20 | 2019-12-20 | Waste gas bidirectional entering type filtering device |
| CN202110954682.XA CN113617168A (en) | 2019-12-20 | 2019-12-20 | Inlet filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325439.0A CN111298571B (en) | 2019-12-20 | 2019-12-20 | Waste gas bidirectional entering type filtering device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110954682.XA Division CN113617168A (en) | 2019-12-20 | 2019-12-20 | Inlet filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111298571A CN111298571A (en) | 2020-06-19 |
| CN111298571B true CN111298571B (en) | 2022-01-28 |
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ID=71152715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911325439.0A Active CN111298571B (en) | 2019-12-20 | 2019-12-20 | Waste gas bidirectional entering type filtering device |
| CN202110954682.XA Pending CN113617168A (en) | 2019-12-20 | 2019-12-20 | Inlet filter |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110954682.XA Pending CN113617168A (en) | 2019-12-20 | 2019-12-20 | Inlet filter |
Country Status (1)
| Country | Link |
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| CN (2) | CN111298571B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205965332U (en) * | 2016-07-19 | 2017-02-22 | 福建新胜海船业有限公司 | Dust filter equipment in shipbuilding rust cleaning workshop |
| CN109289477A (en) * | 2018-10-25 | 2019-02-01 | 南京博酝化工科技有限公司 | A kind of spray equipment handling chemical exhaust |
| RU188337U1 (en) * | 2018-11-29 | 2019-04-08 | Дмитрий Михайлович Анистратов | Drain filter device |
| CN208809766U (en) * | 2018-05-15 | 2019-05-03 | 山东华嘉特种设备有限公司 | A kind of dry desulfurization device |
| CN209549049U (en) * | 2018-10-31 | 2019-10-29 | 苏州绿蓝环保服务有限公司 | A kind of environmental protection waste gas treatment equipment |
| CN209752601U (en) * | 2019-04-08 | 2019-12-10 | 生态环境部环境规划院 | Atmospheric pollution administers device |
-
2019
- 2019-12-20 CN CN201911325439.0A patent/CN111298571B/en active Active
- 2019-12-20 CN CN202110954682.XA patent/CN113617168A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205965332U (en) * | 2016-07-19 | 2017-02-22 | 福建新胜海船业有限公司 | Dust filter equipment in shipbuilding rust cleaning workshop |
| CN208809766U (en) * | 2018-05-15 | 2019-05-03 | 山东华嘉特种设备有限公司 | A kind of dry desulfurization device |
| CN109289477A (en) * | 2018-10-25 | 2019-02-01 | 南京博酝化工科技有限公司 | A kind of spray equipment handling chemical exhaust |
| CN209549049U (en) * | 2018-10-31 | 2019-10-29 | 苏州绿蓝环保服务有限公司 | A kind of environmental protection waste gas treatment equipment |
| RU188337U1 (en) * | 2018-11-29 | 2019-04-08 | Дмитрий Михайлович Анистратов | Drain filter device |
| CN209752601U (en) * | 2019-04-08 | 2019-12-10 | 生态环境部环境规划院 | Atmospheric pollution administers device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111298571A (en) | 2020-06-19 |
| CN113617168A (en) | 2021-11-09 |
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