CN108499243A - A kind of chemistry removal coal-fired flue-gas fine particulate filter material and preparation method thereof - Google Patents
A kind of chemistry removal coal-fired flue-gas fine particulate filter material and preparation method thereof Download PDFInfo
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- CN108499243A CN108499243A CN201810200921.0A CN201810200921A CN108499243A CN 108499243 A CN108499243 A CN 108499243A CN 201810200921 A CN201810200921 A CN 201810200921A CN 108499243 A CN108499243 A CN 108499243A
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- layer
- fixedly connected
- fired flue
- particulate filter
- filter material
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- 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
- B01D46/0001—Making filtering elements
-
- 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
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- 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
- B01D53/40—Acidic components
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention relates to filtering material technical fields, and disclose a kind of chemistry removal coal-fired flue-gas fine particulate filter material, including two-layer nonwoven layer, the bottom surface of the two-layer nonwoven layer is fixedly connected with the upper surface of active carbon layer, the bottom of the active carbon layer is fixedly connected with PTFE layers, PTFE layers of the bottom is fixedly connected with glass layer, the inside of the glass layer offers cavity, the inside of the cavity is fixedly connected with limestone layer, the bottom of the glass layer is fixedly connected with polytetrafluoroethylene film, the bottom of the polytetrafluoroethylene film is fixedly connected with polypropylene layer.The chemistry removes coal-fired flue-gas fine particulate filter material and preparation method thereof, can it is significantly more efficient filtering coal-fired flue-gas in fine particle, avoid fine particle from being diffused into air, moreover it is possible to avoid sour gas from being diffused into air and pollute environment, filter effect is more preferable, and prepares simpler.
Description
Technical field
The present invention relates to filtering material technical field, specially a kind of chemistry removal coal-fired flue-gas fine particulate filter material
And preparation method thereof.
Background technology
Coal has been described as the gold of black, industrial grain, the master that human world uses since it was 18th century by people
One of energy is wanted, it is after all at present and following very long although the value of coal is much worse than in the past since 21st century
One of indispensable energy source of the production and living of coal or our mankind within a period of time.
Now many places all can provide energy using fire coal, but since the inside of coal has much miscellaneous
Matter, the also imperfect combustion of coal can all cause fire coal to will produce many flue gas and pollutant, have on the market now very much
Filtering material, but to the filter effect of the fine particle in coal-fired flue-gas be not highly significant, therefore propose a kind of chemistry
Coal-fired flue-gas fine particulate filter material and preparation method thereof is removed to solve the above problems.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of chemistry removal coal-fired flue-gas fine particulate filter material and its systems
Preparation Method has the advantages that filter effect is more preferable, solves the problems, such as existing filtering material poor filtration effect.
（Two）Technical solution
To realize that the above-mentioned better purpose of filter effect, the present invention provide the following technical solutions：A kind of chemistry removal coal-fired flue-gas
Fine particulate filter material, including two-layer nonwoven layer, the bottom surface of the two-layer nonwoven layer and the upper surface of active carbon layer are solid
Fixed connection, the bottom of the active carbon layer are fixedly connected with PTFE layers, and PTFE layers of the bottom is fixedly connected with glass fibre
Layer, the inside of the glass layer offer cavity, and the inside of the cavity is fixedly connected with limestone layer, the glass fibers
The bottom of dimension layer is fixedly connected with polytetrafluoroethylene film, and the bottom of the polytetrafluoroethylene film is fixedly connected with polypropylene
Layer.
Preferably, the two-layer nonwoven layer is formed or is made of glass fibre by pet layer and PE layers.
Preferably, the two-layer nonwoven layer, active carbon layer, PTFE layers and glass layer thickness be three millimeters.
Preferably, the thickness of the limestone layer is two millimeters, and limestone layer is by being dried.
Another technical problem to be solved by the present invention is that providing a kind of chemistry removal coal-fired flue-gas fine particulate filter material
Preparation method, include the following steps:
A is first dried lime stone in the environment of aeration-drying, drying time 30min, then again in glass layer
Inside open up out cavity, then the lime stone to the inside wadding warp of cavity after excessively dry, spare；
B heats vistanex or polyamide, then simultaneously the bottom surface of two-layer nonwoven layer, active carbon layer up and down
Hot melt adhesive layer is smeared in two sides and PTFE layers of upper surface, then two-layer nonwoven is placed on to the top of active carbon layer, by PTFE
Layer is placed on the lower section of active carbon layer, spare by heating roller simultaneously into heating, completing bonding up and down；
The vistanex or polyamide that are heated in step B are melted liquid is applied to the bottom surface of glass layer, poly- four to C simultaneously
Glass layer, is placed on the upper table of polytetrafluoroethylene film by the upper and lower surface of fluoroethylene film and the upper surface of polypropylene layer
Polypropylene layer is placed on the lower section of polytetrafluoroethylene film by face, by heating roller simultaneously into heating, completing bonding up and down,
It is spare；
Hot melt adhesive layer is smeared in the upper surface of glass layer to D simultaneously in PTFE layers of lower surface and step C in stepb, will
The PTFE layers of top for being placed on glass layer, by heating roller simultaneously into heating, completing bonding up and down, obtaining filter material
Material.
（Three）Advantageous effect
Compared with prior art, the present invention provides a kind of chemistry removal coal-fired flue-gas fine particulate filter material and its preparation sides
Method has following advantageous effect：
1, chemistry removal coal-fired flue-gas fine particulate filter material and preparation method thereof coordinates activity by two-layer nonwoven layer
Layer of charcoal, PTFE layers, glass layer, polytetrafluoroethylene film and polypropylene layer, can be in significantly more efficient filtering coal-fired flue-gas
Fine particle, avoid fine particle from being diffused into air, filter effect is more preferable.
2, chemistry removal coal-fired flue-gas fine particulate filter material and preparation method thereof, by filling lime into cavity
Rock layers can absorb the sour gas such as the sulfur dioxide generated when fire coal, avoid sour gas from being diffused into air and pollute environment,
Acid rain is formed, absorbs the sour gas in flue gas using chemical reaction, filter effect is more preferable.
3, chemistry removal coal-fired flue-gas fine particulate filter material and preparation method thereof, passes through hot melt adhesive layer and heating roller
By two-layer nonwoven layer, active carbon layer, PTFE layers, glass layer, polytetrafluoroethylene film and polypropylene layer bonding, work is manufactured
Skill is simpler.
Description of the drawings
Fig. 1 is a kind of chemistry removal coal-fired flue-gas fine particulate filter material structure schematic diagram proposed by the present invention.
In figure：1 two-layer nonwoven layer, 2 active carbon layers, 3 PTFE layers, it is 4 glass layers, 5 cavitys, 6 limestone layers, 7 poly-
Tetrafluoroethene film, 8 polypropylene layers.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of chemistry removal coal-fired flue-gas fine particulate filter material, including two-layer nonwoven layer 1, it is double-deck
The bottom surface of nonwoven layer 1 is fixedly connected with the upper surface of active carbon layer 2, and the bottom of active carbon layer 2 is fixedly connected with PTFE layers 3,
The bottom of PTFE layers 3 is fixedly connected with glass layer 4, and the inside of glass layer 4 offers cavity 5, and the inside of cavity 5 is solid
Surely it is connected with limestone layer 6, the bottom of glass layer 4 is fixedly connected with polytetrafluoroethylene film 7, polytetrafluoroethylene film 7
Bottom be fixedly connected with polypropylene layer 8.
Wherein, two-layer nonwoven layer 1 is formed or is made of glass fibre by pet layer and PE layers.
Wherein, the thickness of two-layer nonwoven layer 1, active carbon layer 2, PTFE layers 3 and glass layer 4 is three millimeters.
Wherein, the thickness of limestone layer 6 is two millimeters, and limestone layer 6 is by being dried.
Another technical problem to be solved by the present invention is that providing a kind of chemistry removal coal-fired flue-gas fine particulate filter material
Preparation method, include the following steps:
A is first dried lime stone in the environment of aeration-drying, drying time 30min, then again in glass layer 4
Inside open up out cavity 5, then the lime stone to the inside wadding warp of cavity 5 after excessively dry, spare；
B heats vistanex or polyamide, then simultaneously the bottom surface of two-layer nonwoven layer 1, active carbon layer 2 it is upper
Hot melt adhesive layer is smeared in lower two sides and the upper surface of PTFE layers 3, then two-layer nonwoven 1 is placed on to the top of active carbon layer 2, will
PTFE layers 3 are placed on the lower section of active carbon layer 2, spare by heating roller simultaneously into heating, completing bonding up and down；
The vistanex or polyamide that are heated in step B are melted the bottom surface, poly- that liquid is applied to glass layer 4 by C simultaneously
Glass layer 4 is placed on polytetrafluoroethylene film 7 by the upper surface of the upper and lower surface and polypropylene layer 8 of tetrafluoroethene film 7
Upper surface, polypropylene layer 8 is placed on to the lower section of polytetrafluoroethylene film 7, it is complete by heating roller simultaneously to up and down into heating
It is spare at bonding；
Hot melt adhesive layer is smeared in the upper surface of glass layer 4 to D simultaneously in the lower surface of PTFE layers 3 and step C in stepb, will
PTFE layers 3 are placed on the top of glass layer 4, by heating roller simultaneously into heating, completing bonding up and down, obtaining filtering
Material.
The beneficial effects of the invention are as follows：Coordinate active carbon layer 2, PTFE layers 3, glass layer by two-layer nonwoven layer 1
4, polytetrafluoroethylene film 7 and polypropylene layer 8, can it is significantly more efficient filtering coal-fired flue-gas in fine particle, avoid tiny
In particles diffusion to air, by filling limestone layer 6 into cavity 5, the acid such as the sulfur dioxide generated when fire coal can be absorbed
Property gas, avoid sour gas from being diffused into air and pollute environment, formed acid rain, utilize chemical reaction absorb flue gas in acidity
Gas, filter effect is more preferable, by hot melt adhesive layer and heating roller by two-layer nonwoven layer 1, active carbon layer 2, PTFE layers 3, glass
Fibrous layer 4, polytetrafluoroethylene film 7 and polypropylene layer 8 are bonded, and manufacturing process is simpler.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of chemistry removal coal-fired flue-gas fine particulate filter material, including two-layer nonwoven layer（1）, which is characterized in that institute
State two-layer nonwoven layer（1）Bottom surface and active carbon layer（2）Upper surface be fixedly connected, the active carbon layer（2）Bottom it is solid
Surely PTFE layers are connected with（3）, PTFE layers described（3）Bottom be fixedly connected with glass layer（4）, the glass layer
（4）Inside offer cavity（5）, the cavity（5）Inside be fixedly connected with limestone layer（6）, the glass layer
（4）Bottom be fixedly connected with polytetrafluoroethylene film（7）, the polytetrafluoroethylene film（7）Bottom be fixedly connected with it is poly-
Propylene layer（8）.
2. a kind of chemistry removal coal-fired flue-gas fine particulate filter material according to claim 1, which is characterized in that described
Two-layer nonwoven layer（1）It is formed or is made of glass fibre by pet layer and PE layers.
3. a kind of chemistry removal coal-fired flue-gas fine particulate filter material according to claim 1, which is characterized in that described
Two-layer nonwoven layer（1）, active carbon layer（2）, PTFE layers（3）And glass layer（4）Thickness be three millimeters.
4. a kind of chemistry removal coal-fired flue-gas fine particulate filter material according to claim 1, which is characterized in that described
Limestone layer（6）Thickness be two millimeters, and limestone layer（6）By being dried.
5. a kind of preparation method of chemistry removal coal-fired flue-gas fine particulate filter material, which is characterized in that include the following steps：
A is first dried lime stone in the environment of aeration-drying, drying time 30min, then again in glass layer
（4）Inside open up out cavity（5）, then to cavity（5）Inside wadding warp it is excessively dry after lime stone, it is spare；
B heats vistanex or polyamide, then simultaneously in two-layer nonwoven layer（1）Bottom surface, active carbon layer（2）
Upper and lower surface and PTFE layers（3）Upper surface smear hot melt adhesive layer, then by two-layer nonwoven（1）It is placed on active carbon layer
（2）Top, by PTFE layers（3）It is placed on active carbon layer（2）Lower section, by heating roller simultaneously to up and down into heating, completing
Bonding, it is spare；
The vistanex or polyamide that are heated in step B are melted liquid is applied to glass layer to C simultaneously（4）Bottom surface,
Polytetrafluoroethylene film（7）Upper and lower surface and polypropylene layer（8）Upper surface, by glass layer（4）It is placed on polytetrafluoro
Vinyl film（7）Upper surface, by polypropylene layer（8）It is placed on polytetrafluoroethylene film（7）Lower section, simultaneously by heating roller
It is spare into heating, completing bonding up and down；
PTFE layers in stepb of D（3）Lower surface and step C in glass layer（4）Upper surface simultaneously smear hot melt adhesive
Layer, by PTFE layers（3）It is placed on glass layer（4）Top, by heating roller simultaneously to up and down into heating, completing bonding,
Obtain filtering material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200921.0A CN108499243B (en) | 2018-03-12 | 2018-03-12 | Filtering material for chemically removing fine particles in coal-fired flue gas and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200921.0A CN108499243B (en) | 2018-03-12 | 2018-03-12 | Filtering material for chemically removing fine particles in coal-fired flue gas and preparation method thereof |
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| CN108499243A true CN108499243A (en) | 2018-09-07 |
| CN108499243B CN108499243B (en) | 2020-10-02 |
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| CN201810200921.0A Active CN108499243B (en) | 2018-03-12 | 2018-03-12 | Filtering material for chemically removing fine particles in coal-fired flue gas and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888532A (en) * | 2014-03-05 | 2015-09-09 | 江苏创云环保科技有限公司 | Novel filtering material for air cleaning machine, and preparation method and use thereof |
| CN105169809A (en) * | 2015-07-16 | 2015-12-23 | 湖州科富拉膜技术有限公司 | Antibacterial filtration type tensioned membrane |
| CN206837693U (en) * | 2017-06-12 | 2018-01-05 | 山东正瀚环保设备有限公司 | A kind of dedusting filtering bag |
-
2018
- 2018-03-12 CN CN201810200921.0A patent/CN108499243B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888532A (en) * | 2014-03-05 | 2015-09-09 | 江苏创云环保科技有限公司 | Novel filtering material for air cleaning machine, and preparation method and use thereof |
| CN105169809A (en) * | 2015-07-16 | 2015-12-23 | 湖州科富拉膜技术有限公司 | Antibacterial filtration type tensioned membrane |
| CN206837693U (en) * | 2017-06-12 | 2018-01-05 | 山东正瀚环保设备有限公司 | A kind of dedusting filtering bag |
Non-Patent Citations (1)
| Title |
|---|
| 何志成: "《化工原理》", 31 August 2015, 中国医药科技出版社 * |
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