CN109939494A - A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning - Google Patents
A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning Download PDFInfo
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- CN109939494A CN109939494A CN201910237863.3A CN201910237863A CN109939494A CN 109939494 A CN109939494 A CN 109939494A CN 201910237863 A CN201910237863 A CN 201910237863A CN 109939494 A CN109939494 A CN 109939494A
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- flue gas
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Abstract
The invention discloses a kind of heat resist modification glass fibre filtrates for industrial flue gas cleaning, including following component according to parts by weight: 50-70 parts of modified glass-fiber, 2-6 parts of silicon nitride, 2-5 parts of antioxidant, 20-35 parts of straw powder, 5-18 parts of diatomite, 20-30 parts of polyethylene glycol, 0.2-0.8 parts of coupling agent；The modified glass-fiber is mixed by glass fibre, magnetic adsorbent, chitosan and nanoporous carbon；The deacetylation of the chitosan is in 52-58%.The present invention had both improved the filter effect of industrial smoke, reduced deashing number, and improved the use temperature of filtrate, extends service life, and reduce production and application cost, solved current industrial smoke filtering material common problem.
Description
Technical field
The invention belongs to fume treatment articles fields, and in particular to a kind of heat resist modification glass for industrial flue gas cleaning
Glass fiber filtering.
Background technique
With the rapid development of economy, improvement of living standard, air pollution is increasingly severe, and it is strong gradually to influence the mankind
Health.The flue gas that the dust pelletizing system of traditional handicraft is trapped by interior row and secondary fume trap cover enters deduster, bag after air mixes
Formula deduster is widely used in industrial dedusting, and as the core of sack cleaner, the quality of fiber filtering is serious
Affect the effect of purifying smoke.
Currently, common fiber filtering is polytetrafluoroethylene fibre, polyphenylene sulfide fibre, polyimide fiber, glass fibers
Peacekeeping basalt fibre etc., but polytetrafluoroethylene (PTFE) valence is high, wearability is poor, and polyphenylene sulfide fibre is easily oxidized, and polyimides is fine
Dimension alkali resistance is poor and easily hydrolyzes, easily broken not wear-resisting although glass fibre price is lower, and the strainability of fiber filtering
Decide the degree of gas cleaning, a kind of high temperature resistant, filter effect be excellent, low-cost fiber filtering is compeled in eyebrow so developing
Eyelash.
CN106039842A discloses a kind of high-temperature fibre filtrate for industrial flue gas cleaning, belongs to air cleaning skill
Art field.The fiber filtering fibrous layer containing dust-collecting face, base cloth layer and net gas face fibrous layer；The dust-collecting face fibrous layer is that modification is received
Rice sepiolite mixes extrusion by double screw extruder with polyphenylene sulfide slice and high-temperature antioxidant P-EPQ, is granulated, then is prepared into
Composite fiber filtering material, and PTFE emulsion is coated on composite fiber filtering material surface using foam coating method, can effectively reduced
Filter opening diameter；The base cloth layer selects thin polyphenylene sulfide fibre, and the net gas face fibrous layer is selected thick polyphenylene sulfide fibre, do not influenced
Filtration resistance and the wearability that product can be improved.It is one that the present invention, which uses cheap sepiolite on flue filtering material,
New breakthrough, while the clean-up effect of industrial smoke is improved, reduce deashing number, improves the use temperature of filtrate, prolongs
Service life is grown.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of high temperature resistants for industrial flue gas cleaning to change
Property glass fibre filtrate, which has loaded wear resistant components, has guaranteed high-efficient purification, also together by modification
When reduce costs.
A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning, including following group according to parts by weight
Point: 50-70 parts of modified glass-fiber, 2-6 parts of silicon nitride, 2-5 parts of antioxidant, 20-35 parts of straw powder, 5-18 parts of diatomite,
20-30 parts of polyethylene glycol, 0.2-0.8 parts of coupling agent；The modified glass-fiber is by glass fibre, magnetic adsorbent, chitosan
It is mixed with nanoporous carbon；The deacetylation of the chitosan is in 52-58%.
It is the above-mentioned heat resist modification glass fibre filtrate for industrial flue gas cleaning as improved, including presses below
The component of parts by weight meter: 65 parts of modified glass-fiber, 4 parts of silicon nitride, 4 parts of antioxidant, 32 parts of straw powder, diatomite 12
Part, 28 parts of polyethylene glycol, 0.6 part of coupling agent.
It is glass fibre, magnetic adsorbent, chitosan and nanoporous carbon in the modified glass-fiber as improved
Molar ratio be 20-30:2-4:1-3:1.
It is that the magnetic adsorbent is Nanometer Magnetite as improved, partial size is 20-35 μm.
It is as improved, the preparation method of above-mentioned modified glass-fiber, comprising the following steps: step 1, chitosan is molten
Yu Shuizhong is added nanoporous carbon and persistently stirs 10-20 minutes, add magnetic adsorbent, after evaporation drying after mixing evenly
Obtain chitosan magnetic adsorbent；Step 2, chitosan magnetic adsorbent and glass fibre are mixed, puts into ball mill and grinds, then
It is transferred in extruder and squeezes out master batch to get modified glass-fiber.
It is that the molar ratio of chitosan magnetic adsorbent and glass fibre is 1:1-3 in step 2 as improved.
Specifically, by modified glass-fiber, silicon nitride, antioxidant, straw powder, diatomite, polyethylene glycol 20, coupling agent
Conventionally it is prepared into filtrate.
The utility model has the advantages that
Compared with prior art, present invention has an advantage that
1, the present invention had both improved the filter effect of industrial smoke, reduced deashing number, but improve filtrate use temperature,
Service life is extended, and reduces production and application cost, solves that current industrial smoke filtering material is generally existing to ask
Topic；
2, the heat resist modification glass fibre filtrate for industrial flue gas cleaning is detected, the filtrate wearability is good, is not easy
Fracture, and continuous work temperature is 550-570 DEG C, moment operating temperature is 620 DEG C, and high dust collection efficiency is stable；
3, magnetic adsorbent is added in modified glass-fiber in the present invention, it can be achieved that recycling, the rate of recovery is high.
Specific embodiment
The present invention is further described in detail below by specific embodiment.
Embodiment 1
A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning, including following component according to parts by weight:
50 parts of modified glass-fiber, 2 parts of silicon nitride, 2 parts of antioxidant, 20 parts of straw powder, 5 parts of diatomite, 20 parts of polyethylene glycol, coupling
0.2 part of agent；The modified glass-fiber is mixed by glass fibre, magnetic adsorbent, chitosan and nanoporous carbon；It is described
The deacetylation of chitosan is 52%.Antioxidant used in the present embodiment derives from plant extracts.
Wherein, glass fibre in the modified glass-fiber, partial size be 20 μm of Nanometer Magnetites, chitosan and
The molar ratio of nanoporous carbon is 20:2:1:1.
The preparation method of above-mentioned modified glass-fiber, comprising the following steps: step 1, chitosan is soluble in water, stirring is equal
After even, nanoporous carbon is added and persistently stirs 10-20 minutes, adds magnetic adsorbent, obtain chitosan magnetic after evaporation drying
Adsorbent；Step 2, chitosan magnetic adsorbent and glass fibre are mixed according to molar ratio for 1:1, puts into ball mill and grinds
It is broken, then be transferred in extruder and squeeze out master batch to get modified glass-fiber.
Specifically, by modified glass-fiber, silicon nitride, antioxidant, straw powder, diatomite, polyethylene glycol 20, coupling agent
Conventionally it is prepared into filtrate.
Embodiment 2
A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning, including following component according to parts by weight:
65 parts of modified glass-fiber, 4 parts of silicon nitride, 4 parts of antioxidant, 32 parts of straw powder, 12 parts of diatomite, 28 parts of polyethylene glycol, idol
0.6 part of agent of connection；The modified glass-fiber is mixed by glass fibre, magnetic adsorbent, chitosan and nanoporous carbon；Institute
The deacetylation of chitosan is stated 55%.
Wherein, glass fibre, 30 μm of magnetic ferroferric oxides, chitosan and nanoporous carbon in the modified glass-fiber
Molar ratio be 25:3:2:1.
It is as improved, the preparation method of above-mentioned modified glass-fiber, comprising the following steps: step 1, chitosan is molten
Yu Shuizhong is added nanoporous carbon and persistently stirs 15 minutes after mixing evenly, adds magnetic adsorbent, after evaporation drying
Chitosan magnetic adsorbent；Step 2, chitosan magnetic adsorbent and glass fibre are mixed according to molar ratio for 1:2, puts into ball
It is ground in grinding machine, then is transferred in extruder and squeezes out master batch to get modified glass-fiber.
Specifically, by modified glass-fiber, silicon nitride, antioxidant, straw powder, diatomite, polyethylene glycol 20, coupling agent
Conventionally it is prepared into filtrate.
Embodiment 3
A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning, including following component according to parts by weight:
70 parts of modified glass-fiber, 6 parts of silicon nitride, 5 parts of antioxidant, 35 parts of straw powder, 18 parts of diatomite, 30 parts of polyethylene glycol, idol
0.8 part of agent of connection；The modified glass-fiber is mixed by glass fibre, magnetic adsorbent, chitosan and nanoporous carbon；Institute
The deacetylation of chitosan is stated 58%.
It is glass fibre, 35 μm of Nanometer Magnetites, chitosans in the modified glass-fiber as improved
Molar ratio with nanoporous carbon is 30:4:3:1.
The preparation method of above-mentioned modified glass-fiber, comprising the following steps: step 1, chitosan is soluble in water, stirring is equal
After even, nanoporous carbon is added and persistently stirs 20 minutes, adds magnetic adsorbent, chitosan magnetic absorption is obtained after evaporation drying
Agent；Step 2, chitosan magnetic adsorbent and glass fibre are mixed according to molar ratio for 1:3, puts into ball mill and grinds, then
It is transferred in extruder and squeezes out master batch to get modified glass-fiber.
Specifically, by modified glass-fiber, silicon nitride, antioxidant, straw powder, diatomite, polyethylene glycol 20, coupling agent
Conventionally it is prepared into filtrate.
Comparative example 1
Except by addition to modified glass-fiber is changed to glass fibre in embodiment 2, remaining is the same as embodiment 2.
It is detected to being tried out in the filtrate investment 150t/h electric furnace high-temperature smoke gas treatment engineering of embodiment 1-3, continuous work
It is continuous work temperature as temperature is 550-570 DEG C, moment operating temperature is 620 DEG C, and filtering air quantity reaches 75% or more, operation
Resistance is low, high dust collection efficiency.And it is 320-380 DEG C that the continuous work temperature of comparative example 1, which is continuous work temperature, moment work temperature
Degree is 420 DEG C, and therefore, the working performance of filtrate of the present invention is improved, and purified flue gas mass improves a grade, and
Fracture amount reduces 20-30% in use, wear-resistant, and under uniform pressure, abrasion loss reduces 20-40%, and use
Conventional method is detected, and after filtrate damage of the present invention, the rate of recovery of magnetic adsorbent can reach 5-10%.
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (6)
1. a kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning, which is characterized in that including it is following by weight
The component of number meter: 50-70 parts of modified glass-fiber, 2-6 parts of silicon nitride, 2-5 parts of antioxidant, 20-35 parts of straw powder, diatom
5-18 parts native, 20-30 parts of polyethylene glycol, 0.2-0.8 parts of coupling agent；The modified glass-fiber is by glass fibre, magnetic absorption
Agent, chitosan and nanoporous carbon mix；The deacetylation of the chitosan is in 52-58%.
2. the heat resist modification glass fibre filtrate according to claim 1 for industrial flue gas cleaning, which is characterized in that
Including following component according to parts by weight: 65 parts of modified glass-fiber, 4 parts of silicon nitride, 4 parts of antioxidant, 32 parts of straw powder,
12 parts of diatomite, 28 parts of polyethylene glycol, 0.6 part of coupling agent.
3. the heat resist modification glass fibre filtrate according to claim 1 for industrial flue gas cleaning, which is characterized in that
Glass fibre in the modified glass-fiber, magnetic adsorbent, chitosan and nanoporous carbon molar ratio be 20-30:2-4:
1-3:1。
4. the heat resist modification glass fibre filtrate according to claim 1 for industrial flue gas cleaning, which is characterized in that
The magnetic adsorbent is Nanometer Magnetite, and partial size is 20-35 μm.
5. the heat resist modification glass fibre filtrate according to claim 1 for industrial flue gas cleaning, which is characterized in that
The preparation method of modified glass-fiber, comprising the following steps: step 1, chitosan is soluble in water, after mixing evenly, addition is received
Rice porous carbon persistently stirs 10-20 minutes, adds magnetic adsorbent, obtains chitosan magnetic adsorbent after evaporation drying；Step
2, chitosan magnetic adsorbent and glass fibre are mixed, puts into ball mill and grinds, then be transferred in extruder and squeeze out master batch, i.e.,
Obtain modified glass-fiber.
6. the heat resist modification glass fibre filtrate according to claim 5 for industrial flue gas cleaning, which is characterized in that
The molar ratio of chitosan magnetic adsorbent and glass fibre is 1:1-3 in step 2.
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Application publication date: 20190628 |