CN112156749A - Preparation method of composite adsorption material of waste gas filtering device - Google Patents
Preparation method of composite adsorption material of waste gas filtering device Download PDFInfo
- Publication number
- CN112156749A CN112156749A CN202010824779.4A CN202010824779A CN112156749A CN 112156749 A CN112156749 A CN 112156749A CN 202010824779 A CN202010824779 A CN 202010824779A CN 112156749 A CN112156749 A CN 112156749A
- Authority
- CN
- China
- Prior art keywords
- gauze
- ceramsite sand
- filtering device
- grid support
- gas filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000002912 waste gas Substances 0.000 title claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 62
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 19
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 15
- 239000003463 adsorbent Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 239000002253 acid Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009298 carbon filtering Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000010805 inorganic waste Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
- B01J20/28035—Membrane, sheet, cloth, pad, lamellar or mat with more than one layer, e.g. laminates, separated sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Abstract
The invention discloses a preparation method of a composite adsorption material of a waste gas filtering device, wherein the composite adsorption material of the waste gas filtering device comprises a first gauze, a ceramsite sand layer, a second gauze, an alumina layer and a third gauze; the ceramsite sand layer comprises a first grid support and ceramsite sand, the alumina layer comprises a second grid support and active alumina balls, and the thickness ratio of the ceramsite sand layer to the alumina layer is 2-3: 1-3; the grain diameter of the ceramsite sand is 5-10 mm; the particle size of the active alumina ball is 2.4-4.5 mm; the first gauze, the second gauze and the third gauze are 20-40 meshes of filter screens. The composite adsorption material of the waste gas filtering device can effectively remove a small amount of large particle substances such as smoke dust, tar and the like and partial acid gas in the smoke, quickly realize regeneration, effectively prolong the service cycle of subsequent activated carbon by combining use, and save the operation cost.
Description
Technical Field
The invention relates to the technical field of gas purification, in particular to a preparation method of a composite material of a waste gas filtering device.
Background
The pollution of the atmosphere environment by exhaust gas is one of the most common and serious environmental problems in the world. Industrial waste gases emitted by various production enterprises are important sources of atmospheric pollutants. Industrial waste gases include organic waste gases and inorganic waste gases. The organic waste gas mainly comprises various hydrocarbons, alcohols, aldehydes, acids, ketones, amines and the like; the inorganic exhaust gas mainly includes sulfur oxides, nitrogen oxides, carbon oxides, halogens and compounds thereof, and the like. If a large amount of industrial waste gas is discharged into the atmosphere after reaching the standard without treatment, the quality of the atmospheric environment is inevitably reduced, serious harm is brought to the human health, and great loss is caused to national economy.
The common waste gas filtering and adsorbing device generally adopts an activated carbon adsorbing material, and the activated carbon is singly used for adsorption, so that the adsorption effect is poor, and the types of filterable harmful substances are few. And the pores of the activated carbon are often blocked by substances such as moisture, smoke dust, tar and the like in the flue gas, so that the filtering and adsorbing effects are reduced, the service life is shortened, the replacement cycle frequency is high, and the operation cost is increased.
Disclosure of Invention
In view of the above, the present invention provides a composite material for a waste gas filtering device, which can effectively remove a small amount of large particulate matters such as soot and tar and a part of acid gas in flue gas, and can rapidly realize regeneration, and when the composite material is used in combination with the flue gas, the use period of subsequent activated carbon can be effectively prolonged, and the operation cost can be saved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a composite adsorption material of an exhaust gas filtering device comprises the following steps of preparing a composite adsorption material of the exhaust gas filtering device, wherein the composite adsorption material comprises a first gauze, a ceramsite sand layer, a second gauze, an alumina layer and a third gauze; the ceramsite sand layer comprises a first grid support and ceramsite sand, and the ceramsite sand is filled in the first grid support; the aluminum oxide layer comprises a second grid support and active aluminum oxide balls, and the active aluminum oxide balls are filled in the second grid support; the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 2-3: 1-3; the grain diameter of the ceramsite sand is 5-10 mm; the particle size of the active alumina ball is 2.4-4.5 mm; the first gauze, the second gauze and the third gauze are 20-40 meshes of filter screens.
Further, the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 1: 1; the grain diameter of the ceramsite sand is 1.5 mm; the particle size of the active alumina ball is 4.5 mm; the first gauze, the second gauze and the third gauze are 20-mesh filter screens.
Further, the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 3: 2; the grain diameter of the ceramsite sand is 2.5 mm; the particle size of the active alumina ball is 3.2 mm; the first gauze, the second gauze and the third gauze are 30-mesh filter screens.
Further, the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 2: 1; the grain diameter of the ceramsite sand is 3 mm; the particle size of the active alumina ball is 2.4 mm; the first gauze, the second gauze and the third gauze are 40-mesh filter screens.
Furthermore, the first gauze is detachably connected with the first grid support, and the second grid support is detachably connected with the third gauze.
Furthermore, the first gauze is connected with the first grid support through a buckle, and the second grid support is connected with the third gauze through a buckle.
The invention has the beneficial effects that:
the invention relates to a composite adsorption material of an exhaust gas filtering device, wherein a ceramsite sand layer comprises a first grid support and ceramsite sand, and an alumina layer comprises a second grid support and active alumina balls. The ceramsite sand is of a porous structure, the active alumina ball is provided with a plurality of capillary channels, the surface areas of the ceramsite sand and the active alumina ball are large, a large amount of moisture, smoke dust, tar and other large-particle substances in the smoke can be adsorbed, and part of SO can be removed2、NOxAcid gases such as HF and HCl. The ceramsite sand is low in purchase cost, can be repeatedly used after being washed and aired at regular intervals, and the activated alumina balls can be repeatedly used after being aired, so that regeneration is quickly realized, and the operation cost is saved.
The composite adsorption material of the waste gas filtering device greatly reduces the one-time investment cost and the later-period operation cost, can be arranged at the front end of the active carbon filtering layer and is combined with the active carbon filtering layer to filter waste gas, so that most of moisture, smoke dust, tar and the like in the smoke can be removed in advance, the active carbon can better play a role in adsorbing other organic pollutants, the service life and the replacement period of the active carbon are prolonged, the smoke treatment operation cost is reduced, the service period of the active carbon can be effectively prolonged, and the filler cost is saved by more than 45%.
The first grid support of the composite adsorbing material of the waste gas filtering device provided by the invention supports the first gauze and the second gauze, and also plays a role in containing ceramsite sand, so that the ceramsite sand is uniform in quantity distribution and total thickness, and the waste gas is fully filtered. The second grid support also plays a role in containing the activated alumina balls while supporting the second gauze and the third gauze, so that the activated alumina balls are uniform in quantity distribution and total thickness, and the waste gas is ensured to be fully filtered.
The thickness ratio of the ceramsite sand layer to the alumina layer of the composite adsorbing material of the waste gas filtering device is 2-3: 1-3. The grain diameter of the ceramsite sand is 5-10 mm; the particle size of the activated alumina ball is 2.4-4.5 mm. The first gauze, the second gauze and the third gauze are 20-40 meshes of filter screens, contact gap channels of the ceramsite sand and the active alumina balls are effectively sealed, waste gas is fully filtered by the ceramsite sand and the active alumina balls, and a small amount of large-particle substances such as smoke dust, tar and the like and part of acid gas such as SO in smoke can be removed2NOx, HF and HCL, and the removal rate can reach more than 92 percent at most.
The composite adsorbing material of the waste gas filtering device can adjust the actual thickness and area of the ceramsite sand layer and the alumina layer according to different waste gas compositions or airflow flow, and the front surface and the back surface can be freely exchanged, thereby meeting various filtering requirements. The composite adsorption material can be made into any shape, square, round or other special shapes, and the range of the composite adsorption material suitable for the filtering device is wide. The composite adsorbing material of the waste gas filtering device can be applied to the treatment of complex flue gas containing organic waste gas, odorous gas and the like, and has the advantages of simple and convenient operation method, convenient replacement and maintenance, low cost, good effect and the like.
Drawings
FIG. 1 is a front view of a composite adsorbent material for an exhaust gas filtration device according to the present invention;
FIG. 2 is a top view of a first screen, a second screen, and a third screen of the composite adsorbent material of the exhaust gas filtering device of the present invention;
FIG. 3 is a top view of a first and second grid support of the composite adsorbent material of the exhaust gas filtering device of the present invention;
FIG. 4 is a top view of another embodiment of the first, second and third screens of the composite adsorbent material of the exhaust gas filtration device of the present invention;
fig. 5 is a top view of another embodiment of the first and second mesh supports of the composite adsorbent material of the exhaust gas filtering device of the present invention.
Reference numerals: 1-a first gauze, 2-a ceramsite sand layer, 3-a second gauze, 4-an aluminum oxide layer and 5-a third gauze.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Example 1
A preparation method of a composite adsorption material of an exhaust gas filtering device comprises a first gauze 1, a ceramsite sand layer 2, a second gauze 3, an alumina layer 4 and a third gauze 5. The ceramsite sand layer 2 comprises a first grid support and ceramsite sand, and the ceramsite sand is filled in the first grid support; the alumina layer 4 comprises a second grid support and active alumina balls, and the active alumina balls are filled in the second grid support. First net support still plays the effect of holding ceramsite sand when supporting first gauze 1 and second gauze 3 for ceramsite sand quantity distribution and gross thickness are even, ensure that waste gas fully filters. The second grid support also plays a role in containing the active alumina balls while supporting the second gauze 3 and the third gauze 5, so that the quantity distribution and the total thickness of the active alumina balls are uniform, and the waste gas is fully filtered.
The thickness ratio of the ceramsite sand layer 2 to the alumina layer 4 is 1: 1. The grain diameter of the ceramsite sand is 5 mm; the particle size of the activated alumina spheres was 4.5 mm. The first gauze 1, the second gauze 3 and the third gauze 5 are 20-mesh filter screens, SO that a contact gap channel of ceramsite sand and active alumina balls is effectively sealed, waste gas is fully filtered by the ceramsite sand and the active alumina balls, and a small amount of large-particle substances such as smoke dust, tar and the like and part of acid gas such as SO in smoke can be removed2、NOxHF and HCL, and the removal rate can reach more than 85 percent.
Example 2
The present embodiment is different from embodiment 1 in that: the thickness ratio of the ceramsite sand layer 2 to the alumina layer 4 is 3: 2. The grain diameter of the ceramsite sand is 7.5 mm; the particle size of the activated alumina spheres was 3.2 mm. The first gauze 1, the second gauze 3 and the third gauze 5 are 30-mesh filter screens, so that a contact gap channel of ceramsite sand and active alumina balls is effectively sealed, waste gas is fully filtered by the ceramsite sand and the active alumina balls, a small amount of large-particle substances such as smoke dust, tar and the like and partial acid gas in smoke can be removed, and the removal rate can reach more than 92%.
Example 3
The present embodiment is different from embodiment 1 in that: the thickness ratio of the ceramsite sand layer 2 to the alumina layer 4 is 2: 1. The grain diameter of the ceramsite sand is 10 mm; the particle size of the activated alumina spheres was 2.4 mm. The first gauze 1, the second gauze 3 and the third gauze 5 are 40-mesh filter screens, contact gap channels of ceramsite sand and active alumina balls are effectively sealed, waste gas is fully filtered by the ceramsite sand and the active alumina balls, a small amount of large-particle substances such as smoke dust, tar and the like and partial acid gas in smoke can be removed, and the removal rate can reach over 88%.
Example 4
The present embodiment is different from embodiment 1 in that: the first gauze 1 is detachably connected with the first grid support, and the second grid support is detachably connected with the third gauze 5. When the composite adsorption material needs to be regenerated, the first gauze or the third gauze can be detached, the ceramsite sand or the activated alumina can be poured out, the ceramsite sand can be washed and aired regularly and then reused, and the activated alumina can be aired and reused.
Example 5
This embodiment is different from embodiment 4 in that: the first gauze 1 is connected with the first grid support through a buckle, the second grid support is connected with the third gauze 5 through a buckle, and disassembly and regeneration can be rapidly realized.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A preparation method of a composite adsorption material of an exhaust gas filtering device is characterized by comprising the following steps: the composite adsorption material of the waste gas filtering device comprises a first gauze, a ceramsite sand layer, a second gauze, an alumina layer and a third gauze; the ceramsite sand layer comprises a first grid support and ceramsite sand, and the ceramsite sand is filled in the first grid support; the aluminum oxide layer comprises a second grid support and active aluminum oxide balls, and the active aluminum oxide balls are filled in the second grid support; the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 2-3: 1-3; the grain diameter of the ceramsite sand is 5-10 mm; the particle size of the active alumina ball is 2.4-4.5 mm; the first gauze, the second gauze and the third gauze are 20-40 meshes of filter screens.
2. The method for producing a composite adsorbent material for an exhaust gas filtering device according to claim 1, wherein: the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 1: 1; the grain diameter of the ceramsite sand is 1.5 mm; the particle size of the active alumina ball is 4.5 mm; the first gauze, the second gauze and the third gauze are 20-mesh filter screens.
3. The method for producing a composite adsorbent material for an exhaust gas filtering device according to claim 1, wherein: the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 3: 2; the grain diameter of the ceramsite sand is 2.5 mm; the particle size of the active alumina ball is 3.2 mm; the first gauze, the second gauze and the third gauze are 30-mesh filter screens.
4. The method for producing a composite adsorbent material for an exhaust gas filtering device according to claim 1, wherein: the thickness ratio of the ceramsite sand layer to the aluminum oxide layer is 2: 1; the grain diameter of the ceramsite sand is 3 mm; the particle size of the active alumina ball is 2.4 mm; the first gauze, the second gauze and the third gauze are 40-mesh filter screens.
5. The method for producing a composite adsorbent material for an exhaust gas filtering device according to claim 1, wherein: the first gauze is detachably connected with the first grid support, and the second grid support is detachably connected with the third gauze.
6. The method for producing a composite adsorbent material for an exhaust gas filtering device according to claim 5, wherein: the first gauze is connected with the first grid support through a buckle, and the second grid support is connected with the third gauze through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824779.4A CN112156749A (en) | 2020-08-17 | 2020-08-17 | Preparation method of composite adsorption material of waste gas filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824779.4A CN112156749A (en) | 2020-08-17 | 2020-08-17 | Preparation method of composite adsorption material of waste gas filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112156749A true CN112156749A (en) | 2021-01-01 |
Family
ID=73859435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010824779.4A Pending CN112156749A (en) | 2020-08-17 | 2020-08-17 | Preparation method of composite adsorption material of waste gas filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112156749A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308233A (en) * | 1980-03-10 | 1981-12-29 | Bridgestone Tire Company Limited | Device for purification of exhaust gas |
| WO2003068363A1 (en) * | 2002-02-12 | 2003-08-21 | Clean Diesel Technologies, Inc. | Multi-stage exhaust gas purifier |
| CN107542530A (en) * | 2016-06-27 | 2018-01-05 | 江阴华音陶瓷机电科技有限公司 | The exhaust gas filter of good purification |
| CN208406568U (en) * | 2018-05-25 | 2019-01-22 | 泉州市恒泰环保科技有限公司 | A kind of new waste gas purified treatment integrated apparatus |
| CN208742222U (en) * | 2018-05-07 | 2019-04-16 | 广州市绿森环保设备有限公司 | A kind of granular activated carbon air cleaning unit |
| CN110960972A (en) * | 2019-12-16 | 2020-04-07 | 珠海京工检测技术有限公司 | Environment-friendly exhaust treatment device |
-
2020
- 2020-08-17 CN CN202010824779.4A patent/CN112156749A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308233A (en) * | 1980-03-10 | 1981-12-29 | Bridgestone Tire Company Limited | Device for purification of exhaust gas |
| WO2003068363A1 (en) * | 2002-02-12 | 2003-08-21 | Clean Diesel Technologies, Inc. | Multi-stage exhaust gas purifier |
| CN107542530A (en) * | 2016-06-27 | 2018-01-05 | 江阴华音陶瓷机电科技有限公司 | The exhaust gas filter of good purification |
| CN208742222U (en) * | 2018-05-07 | 2019-04-16 | 广州市绿森环保设备有限公司 | A kind of granular activated carbon air cleaning unit |
| CN208406568U (en) * | 2018-05-25 | 2019-01-22 | 泉州市恒泰环保科技有限公司 | A kind of new waste gas purified treatment integrated apparatus |
| CN110960972A (en) * | 2019-12-16 | 2020-04-07 | 珠海京工检测技术有限公司 | Environment-friendly exhaust treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 穆柏春等: "过滤净化分离用的多孔陶瓷材料", 《辽宁工学院学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105126471A (en) | Air filter for air purifier | |
| CN205073798U (en) | A air filter for air purifier | |
| US20070265161A1 (en) | Activated carbon honeycomb catalyst beds and methods for the manufacture of same | |
| CN103801154B (en) | Catalytic filtering material with TiO2 thin film protective layer and preparation method for catalytic filtering material | |
| CN102284223A (en) | Multifunctional indoor air purifier | |
| CN105649520A (en) | Air purification nanofiber screen window and manufacturing method thereof | |
| CN104707476A (en) | Filtration layer assembly structure with mixture of catalyst and adsorbent for removing harmful gases | |
| CN112156749A (en) | Preparation method of composite adsorption material of waste gas filtering device | |
| CN210079179U (en) | V-shaped filtering and adsorbing device | |
| CN109731464A (en) | A kind of novel and multifunctional air conditioner filter element | |
| CN113842898A (en) | Composite material for adsorbing alkaline waste gas and VOCs for air purification and preparation method and application thereof | |
| CN204830225U (en) | Air purifier | |
| CN111298591A (en) | Biological carbon photocatalysis waste gas treatment technical device | |
| CN204672137U (en) | A kind of gas cleaning plant | |
| CN201871296U (en) | Adsorptive degradation filter element and air purification device using the filter element | |
| CN203671870U (en) | Air purification module for air conditioner | |
| CN101683610A (en) | Air filtration system and chemical filter screen thereof | |
| CN2624099Y (en) | Highly performance catalysis composite adsorption type Indoor air purifier | |
| CN209108953U (en) | One kind removing formaldehyde air-purifying module and device | |
| CN216457515U (en) | Air purification filter paper with good filtering effect | |
| CN106268281A (en) | Composite gas filter method | |
| CN205199216U (en) | Organic waste gas's clean system | |
| CN204026853U (en) | A kind of indoor multifunctional air cleaner | |
| CN205031992U (en) | 3D porous ceramic and compound filter screen of HEPA | |
| CN204952662U (en) | Air purifier's photocatalyst subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210101 |
|
| RJ01 | Rejection of invention patent application after publication |