CN114405158A - Chemical filter and preparation method of chemical filter material thereof - Google Patents
Chemical filter and preparation method of chemical filter material thereof Download PDFInfo
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- CN114405158A CN114405158A CN202210120580.2A CN202210120580A CN114405158A CN 114405158 A CN114405158 A CN 114405158A CN 202210120580 A CN202210120580 A CN 202210120580A CN 114405158 A CN114405158 A CN 114405158A
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 229920001661 Chitosan Polymers 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 18
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 manganese dioxide modified activated carbon Chemical class 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 239000004965 Silica aerogel Substances 0.000 claims abstract description 12
- 239000004964 aerogel Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 229910021487 silica fume Inorganic materials 0.000 claims description 9
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical group [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 239000003674 animal food additive Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
- B01D53/04—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 with stationary adsorbents
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- 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
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
- B01D2253/202—Polymeric adsorbents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to the technical field of air filtration, in particular to a chemical filter and a preparation method of a chemical filter material thereof, wherein the chemical filter material is prepared from the following raw materials in parts by weight: 20-30 parts of manganese dioxide modified activated carbon, 10-15 parts of fine silica aerogel, 5-10 parts of carbon fiber and 5-10 parts of modified chitosan fiber. The preparation method comprises the following steps: s1, weaving carbon fibers and modified chitosan fibers into a net shape in a staggered manner to obtain a filter screen; s2, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed; and S3, respectively and uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen, and drying to obtain the filter screen. The filter material obtained by the invention has strong adsorption and degradation capabilities and low cost.
Description
Technical Field
The invention relates to the technical field of air filtration, in particular to a chemical filter and a preparation method of a chemical filter material thereof.
Background
With the development of society, the requirements of the public on environmental protection and health are continuously increased, and air pollution (including indoor space, underground space and air pollution in a vehicle) in a closed or semi-closed space is more and more regarded as invisible air pollution. In order to purify indoor air and effectively improve the cleanliness of the indoor air, an air purifier with an air purifying function is produced.
At present, commercially available air purifiers mainly utilize materials such as a filter screen and activated carbon to purify air, and although the air purifiers have a certain filtering function, the purifying effect is limited. And the purifying effect is good, and the conditions of complex filter element structure, high manufacturing cost and the like often exist.
Disclosure of Invention
In order to solve the problems, the invention provides a chemical filter and a preparation method of a chemical filter material thereof, and the obtained filter material has strong adsorption and degradation capacities and low cost.
In order to achieve the purpose, the invention adopts the technical scheme that:
the preparation method of the chemical filter material comprises the following steps of:
20-30 parts of manganese dioxide modified activated carbon, 10-15 parts of fine silica aerogel, 5-10 parts of carbon fiber and 5-10 parts of modified chitosan fiber.
Further, the preparation method of the chemical filter material comprises the following steps:
s1, weaving carbon fibers and modified chitosan fibers into a net shape in a staggered manner to obtain a filter screen;
s2, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed;
and S3, respectively and uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen, and drying to obtain the filter screen.
3. The method of claim 2, wherein in step S1, the filter screen is cylindrical or rectangular.
Preferably, in step S2, it is ensured that each hole of the filter screen can allow air to pass through when spraying.
Preferably, the method further comprises the steps of sleeving the filter screens with different inner diameters in sequence to form a filter screen column, and sleeving a micron mesh dust filter screen outside the filter screen column.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
20 parts of manganese dioxide modified activated carbon, 10 parts of micro silica aerogel, 5 parts of carbon fiber and 5 parts of modified chitosan fiber.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
30 parts of manganese dioxide modified activated carbon, 15 parts of micro silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
30 parts of manganese dioxide modified activated carbon, 15 parts of micro silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber.
The invention also provides a chemical filter which comprises a filter body and the chemical filter material which is arranged in the filter body and is prepared by the preparation method.
The invention has the following beneficial effects:
1) the obtained filter material has strong adsorption and degradation capability, so that the effective and rapid purification of air can be realized.
2) The preparation process is simple, the manufacturing cost is low, and the structure is simple.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A preparation method of a chemical filter material comprises the following steps:
s1, weighing the following components in parts by weight: 20 parts of manganese dioxide modified activated carbon, 10 parts of micro silica aerogel, 5 parts of carbon fiber and 5 parts of modified chitosan fiber;
s2, weaving carbon fibers and modified chitosan fibers into a net with the aperture of about 200 meshes in a staggered mode to obtain a filter screen, wherein the filter screen is cylindrical or rectangular;
s3, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed;
s4, uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen respectively, and drying to obtain the filter screen;
s5, sequentially sleeving four filter screens with different inner diameters to form a filter screen column, and sleeving a micron mesh dust filter screen outside the filter screen column.
Example 2
A preparation method of a chemical filter material comprises the following steps:
s1, weighing the following components in parts by weight: 30 parts of manganese dioxide modified activated carbon, 15 parts of micro silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber;
s2, weaving carbon fibers and modified chitosan fibers into a net with the aperture of about 200 meshes in a staggered mode to obtain a filter screen, wherein the filter screen is cylindrical or rectangular;
s3, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed;
s4, uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen respectively, and drying to obtain the filter screen;
s5, sequentially sleeving three filter screens with different inner diameters to form a filter screen column, and sleeving a micron mesh dust filter screen outside the filter screen column.
Example 3
A preparation method of a chemical filter material comprises the following steps:
s1, weighing the following components in parts by weight: 30 parts of manganese dioxide modified activated carbon, 15 parts of micro-silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber wire
S2, weaving carbon fibers and modified chitosan fibers into a net with the aperture of about 200 meshes in a staggered mode to obtain a filter screen, wherein the filter screen is cylindrical or rectangular;
s3, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed;
s4, uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen respectively, and drying to obtain the filter screen;
s5, sequentially sleeving two filter screens with different inner diameters to form a filter screen column, and sleeving a micron mesh dust filter screen outside the filter screen column.
Example 4
A chemical filter comprising a filter body and the chemical filter material prepared in example 3 installed in the filter body. The upper end of the filter body is provided with a fan and an air outlet, the three side surfaces are provided with air inlet holes which are arranged in an array mode, and the chemical filter materials are vertically arranged.
Tests show that the adsorption and purification efficiency of the chemical filter screen (single layer) on formaldehyde and TVOC is superior to that of the commercially available activated carbon filter screen, formaldehyde filter screen third generation-composite high-efficiency filter screen and HEPA filter screen.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The preparation method of the chemical filter material is characterized in that the chemical filter material is prepared from the following raw materials in parts by weight:
20-30 parts of manganese dioxide modified activated carbon, 10-15 parts of fine silica aerogel, 5-10 parts of carbon fiber and 5-10 parts of modified chitosan fiber.
2. The method of making a chemical filter material of claim 1, comprising the steps of:
s1, weaving carbon fibers and modified chitosan fibers into a net shape in a staggered manner to obtain a filter screen;
s2, ultrasonically dispersing manganese dioxide modified activated carbon in 6 times of deionized water, adding superfine silicon dioxide aerogel, and obtaining a mixed adsorption material for later use after the silicon dioxide aerogel is completely adsorbed;
and S3, respectively and uniformly spraying a layer of mixed adsorption material on the front side and the back side of the filter screen, and drying to obtain the filter screen.
3. The method of claim 2, wherein in step S1, the filter screen is cylindrical or rectangular.
4. The method of claim 2, wherein in step S2, each hole of the filter screen is made to allow gas to pass through.
5. The method of claim 2, further comprising the steps of sequentially mounting screens having different inner diameters to form a screen column, and mounting a micron mesh dust screen on the outside of the screen column.
6. The preparation method of the chemical filter material of claim 1, which is characterized by being prepared from the following raw materials in parts by weight:
20 parts of manganese dioxide modified activated carbon, 10 parts of micro silica aerogel, 5 parts of carbon fiber and 5 parts of modified chitosan fiber.
7. The preparation method of the chemical filter material of claim 1, which is characterized by being prepared from the following raw materials in parts by weight:
30 parts of manganese dioxide modified activated carbon, 15 parts of micro silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber.
8. The preparation method of the chemical filter material of claim 1, which is characterized by being prepared from the following raw materials in parts by weight:
30 parts of manganese dioxide modified activated carbon, 15 parts of micro silica aerogel, 10 parts of carbon fiber and 10 parts of modified chitosan fiber.
9. A chemical filter, which comprises a filter body and is characterized by also comprising a chemical filter material prepared by the preparation method of any one of claims 1 to 8 and arranged in the filter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120580.2A CN114405158A (en) | 2022-02-09 | 2022-02-09 | Chemical filter and preparation method of chemical filter material thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120580.2A CN114405158A (en) | 2022-02-09 | 2022-02-09 | Chemical filter and preparation method of chemical filter material thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114405158A true CN114405158A (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210120580.2A Pending CN114405158A (en) | 2022-02-09 | 2022-02-09 | Chemical filter and preparation method of chemical filter material thereof |
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| Country | Link |
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| CN (1) | CN114405158A (en) |
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| CN106925031A (en) * | 2015-12-29 | 2017-07-07 | 天津中盛生物工程有限公司 | A kind of shitosan air filting material and preparation method thereof |
| CN107090746A (en) * | 2017-06-06 | 2017-08-25 | 合肥月煌新型装饰材料有限公司 | A kind of decorative material for wall surface of decomposable asymmetric choice net formaldehyde and preparation method thereof |
| CN107583359A (en) * | 2017-10-24 | 2018-01-16 | 江苏华强新能源科技有限公司 | A kind of static industrial air filter |
| CN111330362A (en) * | 2020-03-11 | 2020-06-26 | 天津大学 | Natural polymer-based functional air filtering material and preparation method thereof |
| CN111482005A (en) * | 2020-04-17 | 2020-08-04 | 成都新柯力化工科技有限公司 | Filter screen for purifying air of house fresh air system and preparation method |
| CN213589929U (en) * | 2020-11-02 | 2021-07-02 | 浙江天台金龙滤料器材有限公司 | High-strength antibacterial filter screen |
-
2022
- 2022-02-09 CN CN202210120580.2A patent/CN114405158A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925031A (en) * | 2015-12-29 | 2017-07-07 | 天津中盛生物工程有限公司 | A kind of shitosan air filting material and preparation method thereof |
| CN205757405U (en) * | 2016-07-01 | 2016-12-07 | 姚华辉 | dust-proof antibacterial gloves |
| CN107090746A (en) * | 2017-06-06 | 2017-08-25 | 合肥月煌新型装饰材料有限公司 | A kind of decorative material for wall surface of decomposable asymmetric choice net formaldehyde and preparation method thereof |
| CN107583359A (en) * | 2017-10-24 | 2018-01-16 | 江苏华强新能源科技有限公司 | A kind of static industrial air filter |
| CN111330362A (en) * | 2020-03-11 | 2020-06-26 | 天津大学 | Natural polymer-based functional air filtering material and preparation method thereof |
| CN111482005A (en) * | 2020-04-17 | 2020-08-04 | 成都新柯力化工科技有限公司 | Filter screen for purifying air of house fresh air system and preparation method |
| CN213589929U (en) * | 2020-11-02 | 2021-07-02 | 浙江天台金龙滤料器材有限公司 | High-strength antibacterial filter screen |
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