CN110064247A - A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology - Google Patents
A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology Download PDFInfo
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- CN110064247A CN110064247A CN201910408428.2A CN201910408428A CN110064247A CN 110064247 A CN110064247 A CN 110064247A CN 201910408428 A CN201910408428 A CN 201910408428A CN 110064247 A CN110064247 A CN 110064247A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic 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
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0216—Bicomponent or multicomponent fibres
-
- 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
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0636—Two or more types of fibres present in the filter 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
- B01D2239/06—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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting, which includes base fabric, top fiber layer and lowermost fibre layer, and wherein base fabric is the braided fabric being made into 1300D × 500D dacron thread；The acrylic fiber of top fiber layer 40% and 60% polyester fiber composition, lowermost fibre layer is made of 40% acrylic fiber and 60% polyester fiber, and the top fiber layer, lowermost fibre layer and base fabric form the three-dimensional filtrate to interweave up and down using perverse reinforce of needle.The dedicated filtrate is compared with the needle punched filter material of pure acrylic, and filter efficiency is higher, higher through latitudinal strength, and the service life is longer.In addition, the invention discloses the production technologies of the filtrate, the production technology pierces and post-processes the fiber opening of above-mentioned material, lapping, needle to form filtrate, and water repellent oil-proofing agent is sprayed to upper fibrage and lower fibrage in the way of spray, makes it have the effect of waterproof and oilproof.
Description
Technical field
The present invention relates to a kind of dedicated filtrates of sintering machine tail desulfurization and dedusting, also relate to the production technology of the filtrate.
Background technique
Filtrate is widely used in the flue gas emission purification filtering of the Industrial Stoves in the fields such as steel, cement, electric power, chemical industry.
Increasingly strict with emission request, bag-type dusting is also continuously increased in the accounting of dust removal field, as the main of bag-type dusting
The application amount of raw material, acupuncture filter material has also obtained explosive growth.With the bid formula procurement method of each large group
Constantly universal, how to provide the highest filtering material of cost performance to client becomes particularly important.
Pure acrylic acupuncture filter material, it is at high cost, and acrylic fiber strength is relatively low, pinprick reinforcement is difficult thorn tightly, very
It is difficult to guarantee current 20mg/m3Dust emission or more low emission requirement.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting, the dedicated filter
Material is compared with the needle punched filter material of pure acrylic, and filter efficiency is higher, higher through latitudinal strength, and the service life is longer.
Another technical problem to be solved by this invention is: providing a kind of life of dedicated filtrate of sintering machine tail desulfurization and dedusting
Production. art, which can produce above-mentioned dedicated filtrate, while can reduce the waste of water repellent oil-proofing agent
In order to solve the above technical problems, the technical scheme is that a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting, is somebody's turn to do
Filtrate includes base fabric, top fiber layer and lowermost fibre layer, and wherein base fabric is 80-90g/m2Braided fabric, wherein warp and weft use
The braided fabric that the thread count that 1300D × 500D dacron thread is made into is 9 × 10 pieces/inch；Wherein the density of top fiber layer is
220-240g/m2And be made of 40% acrylic fiber and 60% polyester fiber, wherein the acrylic of top fiber layer is fine
The acrylic fiber of 1.7dtex × 51mm is tieed up, the polyester fiber on upper layer is the polyester fiber of 1.56dtex × 51mm, wherein under
The density of layer fibrous layer is 220-240g/m2And be made of 40% acrylic fiber and 60% polyester fiber, at the middle and upper levels
The acrylic fiber of acrylic fiber 2.2dtex × 51mm of fibrous layer, the polyester fiber on upper layer are 2.22dtex × 51mm
Polyester fiber, the top fiber layer, lowermost fibre layer and base fabric form the three-dimensional filtrate to interweave up and down using perverse reinforce of needle.
Preferably, the grammes per square metre scope of the filtrate is in 550g/m2-600g/m2Between.
Preferably, the top fiber layer of the filtrate and lowermost fibre layer have been all made of the anti-oil processing of water repellent, will be effective
The mixed liquor to form 4-6% mass concentration is mixed in the water repellent oil-proofing agent water of solid content 22%, then sprays water repellent oil-proofing agent
On leaching to the upper and lower fibrous layer of upper fibrage, it is applied with 200g-250g/m respectively on the upper and lower fibrous layer of upper fibrage2Mixing
Liquid.
After above-mentioned technical proposal, effect of the invention is: wherein upper fibrage using acrylic fine fibre and is washed
Synthetic fibre fine fibre is blended, so that filter material surface is more smooth and smooth, pore-size distribution is even closer, and strainability is significantly changed
Kind and improve, that has replaced filtrate after terylene base fabric improves 30%-50% than traditional product through broadwise strength, is suitble at present to mistake
Durability, the demand of high-tenacity of filter material material, meet dedusting 15mg/m3The requirement of concentration of emission；
Again since the top fiber layer and lowermost fibre layer of the filtrate have been all made of the anti-oil processing of water repellent, will effectively consolidate
The mixed liquor to form 4-6% mass concentration is mixed in the water repellent oil-proofing agent water of content 22%, then sprays water repellent oil-proofing agent
To the upper and lower fibrous layer of upper fibrage, it is applied with 200g-250g/m respectively on the upper and lower fibrous layer of upper fibrage2Mixing
Liquid can make water repellent oil-proofing agent being adsorbed by filtrate more evenly by way of spray, while can reduce water repellent oil-proofing agent
Usage amount, and water repellent oil-proofing agent can make filtrate have waterproof oil-proof result.
For to solve above-mentioned second technical problem, the technical scheme is that a kind of sintering machine tail desulfurization and dedusting is special
With the production technology of filtrate, the production technology is for producing above-mentioned filtrate comprising
(1) fiber used in upper fibrage and lower fibrage opens packet in upper bale opener and lower bale opener respectively；
(2) each fiber basis weight is sent to carrying out on upper thick opener and lower thick opener according to proportion in claim 1
Then the fiber of thick shredding is sent in upper mixing chamber and lower mixing chamber and is transported to upper smart shredding after mixing by thick shredding
Smart shredding is carried out on machine and lower refined opener；
(3) the good fiber of shredding is given to upper carding machine by upper cotton feeding box and lower cotton feeding box and lower carding machine is divided
Comb；
(4) web combed is conveyed into upper lapping machine and lower lapping machine, by lapping machine by fiber net folding,
Wherein when lapping, web is first laid on the base fabric upper surface unreeled by base fabric unreeling machine by upper lapping machine, then web and
Base fabric on transition roller transition and tentatively squeeze after realize base fabric following table up and upper surface downward, descend lapping machine at this time again
By fiber net folding and it is laid on the lower surface of base fabric；
(5) upper and lower fibrous layer and base cloth layer carry out lapping；
(6) the filter cloth embryo material laid is sent in pre-pricking machine, pre-pricking machine makes upper filtering layer and lower filter by repeated puncture
The fiber of layer is interlaced, then enters back into main-needling machine needle again and pierces；
(7) the filter cloth blank after pinprick reinforcement is wound；
(8) needle thorn after filter cloth embryo material by the surface press polish of press polish reduced amplitude machine and determine filter cloth embryo material wide cut, breadth by
2.3m is reduced to 2.2m, and thickness is compressed to 2.0mm by 3.0mm；
(9) the filter cloth embryo material after press polish reduced amplitude passes sequentially through gassing frame and forming machine progress surface singes and handles and determine
Type；
(10) the water repellent oil-proofing agent water of effective solid content 22% is mixed to the mixed liquor to form 4-6% mass concentration,
Then water repellent oil-proofing agent is sprayed on the upper and lower fibrous layer of upper fibrage, is applied with respectively on the upper and lower fibrous layer of upper fibrage
200g-250g/m2Mixed liquor.
(11) the filter cloth embryo material after spraying is sent in drying box after roll-in dries, and receives finally by finished product winder
Volume.
Preferably, the grammes per square metre scope of the filtrate is controlled in 550g/m2-600g/m2Between.
Preferably, the top fiber layer is as layer windward.
After above-mentioned technical proposal, effect of the invention is: the production method can produce above-mentioned filtrate, and
Breadth is reduced to 2.2m by 2.3m, and thickness is compressed to 2.0mm by 3.0mm；The bulk density of felt body is substantially increased in this way, effectively
Reduce the gap between pin hole and fiber.It is applied with 200g-250g/m respectively on the upper and lower fibrous layer of upper fibrage2Mixing
Liquid, it is possible to reduce the usage amount of mixed liquor can achieve 4 grades or more of the grease proofing effect of water repellent.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting, the filtrate include base fabric, top fiber layer and lowermost fibre layer,
Middle base fabric is 80-90g/m2Braided fabric, the thread count that wherein warp and weft is made into 1300D × 500D dacron thread is 9 × 10
Piece/inch braided fabric；Wherein the density of top fiber layer is 220-240g/m2And by 40% acrylic fiber and 60%
Polyester fiber composition, wherein the acrylic fiber of acrylic fiber 1.7dtex × 51mm of top fiber layer, the terylene on upper layer are fine
The polyester fiber that dimension is 1.56dtex × 51mm, wherein the density of lowermost fibre layer is 220-240g/m2And by 40% Asia
Gram force fiber and 60% polyester fiber composition, the wherein acrylic of acrylic fiber 2.2dtex × 51mm of top fiber layer
Fiber, the polyester fiber on upper layer are the polyester fiber of 2.22dtex × 51mm, top fiber layer, lowermost fibre layer and the base
Cloth forms the three-dimensional filtrate to interweave up and down using perverse reinforce of needle.The fiber of the top fiber layer is thinner, is more suitable for windward
Layer, can effectively intercept the dust of various partial sizes.The grammes per square metre scope of the filtrate is in 550g/m2-600g/m2Between.The warp of this filtrate
Broadwise tension strength is above 1100-2500NN/5 × 20cm, Air permenbility 6-12m3/m2·min@200P。
The top fiber layer and lowermost fibre layer of the filtrate have been all made of the anti-oil processing of water repellent, by effective solid content
The mixed liquor to form 4-6% mass concentration is mixed in 22% water repellent oil-proofing agent water, is then sprayed to water repellent oil-proofing agent
On the upper and lower fibrous layer of fibrous layer, it is applied with 200g-250g/m respectively on the upper and lower fibrous layer of upper fibrage2Mixed liquor.
A kind of production technology of the dedicated filtrate of sintering machine tail desulfurization and dedusting, the production technology are used to produce above-mentioned filtrate,
It includes
(1) fiber used in upper fibrage and lower fibrage opens packet in upper bale opener and lower bale opener respectively；
(2) each fiber basis weight is sent to carrying out on upper thick opener and lower thick opener according to proportion in claim 1
Then the fiber of thick shredding is sent in upper mixing chamber and lower mixing chamber and is transported to upper smart shredding after mixing by thick shredding
Smart shredding is carried out on machine and lower refined opener；
(3) the good fiber of shredding is given to upper carding machine by upper cotton feeding box and lower cotton feeding box and lower carding machine is divided
Comb；
(4) web combed is conveyed into upper lapping machine and lower lapping machine, by lapping machine by fiber net folding,
Wherein when lapping, web is first laid on the base fabric upper surface unreeled by base fabric unreeling machine by upper lapping machine, then web and
Base fabric on transition roller transition and tentatively squeeze after realize base fabric following table up and upper surface downward, descend lapping machine at this time again
By fiber net folding and it is laid on the lower surface of base fabric；
(5) upper and lower fibrous layer and base cloth layer carry out lapping；
(6) the filter cloth embryo material laid is sent in pre-pricking machine, pre-pricking machine makes upper filtering layer and lower filter by repeated puncture
The fiber of layer is interlaced, then enters back into main-needling machine needle again and pierces；
(7) the filter cloth blank after pinprick reinforcement is wound；
(8) needle thorn after filter cloth embryo material by the surface press polish of press polish reduced amplitude machine and determine filter cloth embryo material wide cut, breadth by
2.3m is reduced to 2.2m, and thickness is compressed to 2.0mm by 3.0mm；
(9) the filter cloth embryo material after press polish reduced amplitude passes sequentially through gassing frame and forming machine progress surface singes and handles and determine
Type；
(10) the water repellent oil-proofing agent water of effective solid content 22% is mixed to the mixed liquor to form 4-6% mass concentration,
Then water repellent oil-proofing agent is sprayed on the upper and lower fibrous layer of upper fibrage, is applied with respectively on the upper and lower fibrous layer of upper fibrage
200g-250g/m2Mixed liquor.
(11) the filter cloth embryo material after spraying is sent in drying box after roll-in dries, and receives finally by finished product winder
Volume.The grammes per square metre scope of the filtrate is controlled in 550g/m2-600g/m2Between.
The filtrate of this technique production has been mixed into suitable polyester fiber, and base due to the features of sintering machine desulfuration dedusting
Cloth uses high-tenacity terylene long filament base fabric instead, and filtrate cost on the basis of pure acrylic filtrate is made to have dropped 30-50%, passes through in filtrate
Ji property, filtering accuracy improve 30%-50% than traditional product through latitudinal strength, service life etc., have apparent excellent
Gesture.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, on the basis of not departing from design spirit of the present invention, to various modifications and transformation that technical solution of the present invention is made, it should all fall
Enter in the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting, it is characterised in that: the filtrate includes base fabric, top fiber layer and lower layer
Fibrous layer, wherein base fabric is 80-90g/m2Braided fabric, the weft density that wherein warp and weft is made into 1300D × 500D dacron thread
The braided fabric that degree is 9 × 10 pieces/inch；Wherein the density of top fiber layer is 220-240g/m2And by 40% acrylic fibre
The polyester fiber of peacekeeping 60% forms, wherein the acrylic fiber of acrylic fiber 1.7dtex × 51mm of top fiber layer, on
The polyester fiber that the polyester fiber of layer is 1.56dtex × 51mm, wherein the density of lowermost fibre layer is 220-240g/m2And
Be made of 40% acrylic fiber and 60% polyester fiber, wherein the acrylic fiber 2.2dtex of top fiber layer ×
The acrylic fiber of 51mm, the polyester fiber on upper layer are the polyester fiber of 2.22dtex × 51mm, the top fiber layer, lower layer
Fibrous layer and base fabric are using the perverse filtrate reinforcing formation or more three-dimensional and interweaving of needle.
2. a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting as described in claim 1, it is characterised in that: the grammes per square metre of the filtrate
Range is in 550g/m2-600g/m2Between.
3. a kind of dedicated filtrate of sintering machine tail desulfurization and dedusting as claimed in claim 2, it is characterised in that: the filtrate it is upper
Layer fibrous layer and lowermost fibre layer have been all made of the anti-oil processing of water repellent, and the water repellent oil-proofing agent water of effective solid content 22% is mixed and is stirred
The mixed liquor to form 4-6% mass concentration is mixed, then water repellent oil-proofing agent is sprayed on the upper and lower fibrous layer of upper fibrage, upper fibre
It is applied with 200g-250g/m respectively on the dimension upper and lower fibrous layer of layer2Mixed liquor.
4. a kind of production technology of the dedicated filtrate of sintering machine tail desulfurization and dedusting, it is characterised in that: the production technology is used for manufacturing right
Benefit requires the filtrate in 1 comprising
(1) fiber used in upper fibrage and lower fibrage opens packet in upper bale opener and lower bale opener respectively；
(2) each fiber basis weight is sent to slightly being opened on upper thick opener and lower thick opener according to proportion in claim 1
Pine, then the fiber of thick shredding is sent in upper mixing chamber and lower mixing chamber be transported to after mixing upper refined opener and
Smart shredding is carried out on lower refined opener；
(3) the good fiber of shredding is given to upper carding machine by upper cotton feeding box and lower cotton feeding box and lower carding machine carries out a point comb；
(4) web combed is conveyed into upper lapping machine and lower lapping machine, by lapping machine by fiber net folding, wherein
When lapping, web is first laid on the base fabric upper surface unreeled by base fabric unreeling machine by upper lapping machine, then web and base fabric
On transition roller transition and tentatively squeeze after realize base fabric following table up and upper surface downward, descend lapping machine again will be fine at this time
Dimension net folding is simultaneously laid on the lower surface of base fabric；
(5) upper and lower fibrous layer and base cloth layer carry out lapping；
(6) the filter cloth embryo material laid is sent in pre-pricking machine, pre-pricking machine makes upper filtering layer and lower filtering layer by repeated puncture
Fiber is interlaced, then enters back into main-needling machine needle again and pierces；
(7) the filter cloth blank after pinprick reinforcement is wound；
(8) the filter cloth embryo material after needle thorn is by the surface press polish of press polish reduced amplitude machine and the wide cut of determining filter cloth embryo material, and breadth is by 2.3m
It is reduced to 2.2m, thickness is compressed to 2.0mm by 3.0mm；
(9) the filter cloth embryo material after press polish reduced amplitude, which passes sequentially through gassing frame and forming machine and carries out surface, singes processing and sizing；
(10) the water repellent oil-proofing agent water of effective solid content 22% is mixed to the mixed liquor to form 4-6% mass concentration, then
Water repellent oil-proofing agent is sprayed on the upper and lower fibrous layer of upper fibrage, is applied with respectively on the upper and lower fibrous layer of upper fibrage
200g-250g/m2Mixed liquor.
(11) the filter cloth embryo material after spraying is sent in drying box after roll-in dries, and winds finally by finished product winder.
5. a kind of production technology of the dedicated filtrate of sintering machine tail desulfurization and dedusting as claimed in claim 4, it is characterised in that: the filter
The grammes per square metre scope of material is controlled in 550g/m2-600g/m2Between.
6. a kind of production technology of the dedicated filtrate of sintering machine tail desulfurization and dedusting as claimed in claim 5, it is characterised in that: on described
Layer fibrous layer is as layer windward.
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|---|---|---|---|
| CN201910408428.2A CN110064247A (en) | 2019-05-16 | 2019-05-16 | A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology |
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|---|---|---|---|
| CN201910408428.2A CN110064247A (en) | 2019-05-16 | 2019-05-16 | A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology |
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| CN110064247A true CN110064247A (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763540A (en) * | 2020-06-08 | 2020-10-13 | 太原理工大学 | Preparation method of zinc oxide gas desulfurizer |
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