CN106390623B - A kind of preparation method of aramid fiber superfine fibre needle thorn filter bag - Google Patents
A kind of preparation method of aramid fiber superfine fibre needle thorn filter bag Download PDFInfo
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- CN106390623B CN106390623B CN201610939097.1A CN201610939097A CN106390623B CN 106390623 B CN106390623 B CN 106390623B CN 201610939097 A CN201610939097 A CN 201610939097A CN 106390623 B CN106390623 B CN 106390623B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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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
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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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
Abstract
The present invention provides the preparation methods that a kind of aramid fiber superfine fibre needle pierces filter bag.It solves existing filter bag and does not have corrosion-resistant, antistatic and antibacterial and wait characteristics, is only used in simple environment, functional poor, and the technical problems such as preparation method for not preparing the filter bag.This aramid fiber superfine fibre needle pierces the preparation method of filter bag, comprises the steps of：A, it is 180~185g/m surface density to be made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide2Base cloth layer；B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；D, required raw material is weighed；F, it is added in common blender, lotion is made；G, by spray drying equipment by Emulsion Spraying on base cloth layer；H, bag body, bag head and bag bottom are stitched together by common sewing machine.The present invention has the advantages that good product quality.
Description
Technical field
The present invention relates to the preparation methods that a kind of aramid fiber superfine fibre needle pierces filter bag.
Background technology
The rapid development of modern industry brings many material benefits and social benefit to the mankind, meanwhile, also rely to the mankind
Serious harm is brought with the environment of existence, especially in terms of exhaust gas largely discharges.In order to protect the environment of human survival, make
Fixed stringenter atmospheric emission standard, promotes more advanced, more efficient dedusting technology, reduces the discharge of industrial dust
Amount, is reasonably necessary so as to improve atmospheric environment.Filter bag is the key component in sack cleaner operational process, usual cylinder
Type filter bag is vertically hung in deduster.In existing deduster, dust is attached to the outer surface of filter bag, dusty gas
When by deduster, dust is trapped in the outer surface of filter bag, and clean gas is entered by filtrate inside filter bag.
Through retrieval, as Chinese patent literature discloses a kind of filter bag for sack cleaner【Application number：
201210365249.3；Notification number：CN 102836599A】.This filter bag for sack cleaner, including bag body, the bag
Body one end is fixedly connected with bag bottom, and the other end opens, it is characterised in that：The filter layer of the bag body uses composite construction, including
Outer filter layer, internal filtration layer, the outer filter layer are made of the woven fabric of heat-resistance and flame-retardant fiber material, the internal filtration layer
It is made of the non-woven cloth of polymer fiber material.
Although filter bag disclosed in the patent is conducive to improve the filter efficiency of internal filtration layer, can also extend internal filtration layer
Service life, still, which does not have corrosion-resistant, antistatic and antibacterial and waits characteristics, is only used in simple environment, work(
Energy property is poor, and does not prepare the preparation method of the filter bag, therefore, designs a kind of preparation side of aramid fiber superfine fibre needle thorn filter bag
Method is necessary.
Invention content
First purpose of the present invention is the presence of the above problem in view of the prior art, it is proposed that a kind of aramid fiber superfine fibre
Needle pierces filter bag, which has the characteristics that functional more.
First purpose of the present invention can be realized by following technical proposal：A kind of aramid fiber superfine fibre needle thorn filter bag,
Including bag body, bag head and bag bottom, bag body one end is mutually fixed with bag head, and the bag body other end is mutually fixed with bag bottom, which is characterized in that institute
It includes base cloth layer and protective layer to state a bag body, and protective layer is separately fixed at base cloth layer two sides, and protective layer is by following parts by weight
Each component forms：Polytetrafluoroethylene (PTFE) concentrates 50~65 parts of dispersion liquid, 0.8~1.5 part of coupling agent, and 8~15 parts of organic siliconresin resists
40~60 parts of 3~10 parts of electrostatic agent, 10~15 parts of antiseptic, 0.2~0.5 part of antioxidant and deionized water.
After the above component, since the main raw material of protective layer is that polytetrafluoroethylene (PTFE) concentrates dispersion liquid, and adds wherein
Enter suitable coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionized water, makes protective layer that there is corrosion resistant
The advantages that erosion, antistatic, antibacterial and high-low temperature resistant, can be applied to make filter bag have more characteristic in complex environment,
It is functional more.
The parts by weight of each component are as follows：Polytetrafluoroethylene (PTFE) concentrates 58 parts of dispersion liquid, 1.1 parts of coupling agent, organosilicon tree
50 parts of 11 parts of fat, 7 parts of antistatic agent, 12 parts of antiseptic, 0.4 part of antioxidant and deionized water.
Using the above structure, protective layer can be enable to reach best using effect, component is reasonable.
The base cloth layer is made of macromolecular fibre needle thorn, and macromolecular fibre is aramid fiber, glass fibre and polyphenyl
The weight ratio of the composite fibre of thioether, aramid fiber, glass fibre and polyphenylene sulfide is 7：1：2；Antistatic agent is nonionic
It is quiet dose anti-；Antiseptic is silver ion antimicrobial agent；Antioxidant is diphenylamines.
Using the above structure, base cloth layer is mixed by three kinds of fibers, can enhance its strainability, can be to dusty gas
Carry out high-precision filtering, good filtration effect.
Second object of the present invention is the presence of the above problem in view of the prior art, it is proposed that a kind of aramid fiber superfine fibre
Needle pierces the preparation method of filter bag, which has the characteristics that good product quality.
Second object of the present invention can be realized by following technical proposal：A kind of aramid fiber superfine fibre needle thorn filter bag
Preparation method, which is characterized in that comprise the steps of：
A, surface density is made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide
For 180~185g/m2Base cloth layer；
B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；
C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；
D, required raw material is weighed by the parts by weight of above-mentioned each component；
F, polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and gone
Ionized water is added in common blender, stirs 20~30min, and speed of agitator is 200~300r/min, and lotion is made；
G, by spray drying equipment by Emulsion Spraying on base cloth layer, and set 3 drying sections, the temperature of 3 drying sections
Degree is 80 DEG C successively, and 130 DEG C, 200 DEG C, the emulsion layer for drying formation is protective layer；
H, bag body, bag head and bag bottom are stitched together by common sewing machine, are processed into aramid fiber superfine fibre needle thorn
Filter bag.
Using above method, protective layer can be enable to be rapidly secured on base cloth layer, and filter bag any surface finish, quality are equal
Even, structure and performance are stablized, good product quality.
The spray drying equipment in step f, including rack are provided with spray equipment and drying in the rack
Device, is provided with the regulating device that can adjust coating thickness between spray equipment and drying unit, spray equipment is including inside
The baffle box of cavity, delivery pump and the material storing box for storing masking liquid, baffle box are fixed on the rack, and baffle box both ends are opened respectively
Equipped with the first input port and the first delivery outlet, upper nozzle and lower nozzle are provided in baffle box, upper nozzle is located in baffle box
Top, and the discharge port one of upper nozzle is downward, lower nozzle is located at the lower part in baffle box, and the discharge port two of lower nozzle is upward,
It is connected with communicating pipe between the feed inlet one of upper nozzle and the feed inlet two of lower nozzle, passes through delivery pipe and storing in the middle part of communicating pipe
Case is connected, and delivery pump setting is provided with the rabbling mechanism that can be stirred to masking liquid in material storing box, stirring in delivery pipe, in rack
Mechanism includes the loop exit for being opened in storing upper box part, is opened in cycle import and the circulating pump of storing lower box part, is recycled
Mouthful it is connected with discharge nozzle between the conveying outlet of circulating pump, is provided with flowmeter in discharge nozzle, recycles import and circulating pump
It is connected with feed pipe between conveying import, filter screen is provided in feed pipe, blow-off pipe, blow-off pipe are also associated in the middle part of feed pipe
Between filter screen and material storing box, solenoid valve is provided on blow-off pipe, solenoid valve is connected with flowmeter.
The operation principle of this spray drying equipment is as follows：Cloth is input to from the first input port in baffle box, is opened
Masking liquid in material storing box is transported to by delivery pipe in communicating pipe by delivery pump, delivery pump, and the masking liquid in communicating pipe conveys respectively
Into upper nozzle and lower nozzle, the both sides of cloth are sprayed by upper nozzle and lower nozzle, the cloth sprayed is from barrier
First equipped at outlet port of case exports, and is adjusted the coating thickness of cloth to desirable value by regulating device, will by drying unit
The cloth that coating thickness regulates is dried, and to complete its spraying drying operation, production efficiency is high；It can be incited somebody to action by circulating pump
The masking liquid of circulation inlet is transported in loop exit, realizes that masking liquid circulates up and down in material storing box, makes the masking liquid be not in
Precipitation, mixing effect are good；When filter screen is filtered the impurity in masking liquid, masking liquid in discharge nozzle is detected by flowmeter
Flow, to know the quantity of the impurity in feed pipe, control solenoid valve is opened, and impurity is discharged from blow-off pipe, filtering quickly,
It is convenient.
The drying unit includes the baking oven in strip, and baking oven is fixed on the rack, and two long end of baking oven offers respectively
Second input port and the second delivery outlet, and the second input port is provided with several heating tubes, baking oven in the first delivery outlet, baking oven
Top is further opened with several straight slots, and the demarcation strip that can separate oven interior is provided in straight slot, and demarcation strip and one can drive it
The mobile mechanism that moves up and down is connected, have on demarcation strip for cloth by punishment in advance straight slot.
When needing to dry cloth, cloth is input to from the second input port in baking oven, by heating tube by cloth
Drying, the cloth dried are exported from the second equipped at outlet port of baking oven, to realize that it dries operation；It is driven by mobile mechanism
Demarcation strip moves down, and oven interior can be separated into multiple heating chambers, and the temperature of drying can be separately provided in each heating chamber, from
And different drying demands can be met, it is versatile.
The mobile mechanism includes push-rod electric machine and holder, and holder is fixed on baking oven, and push-rod electric machine is fixed on holder,
The push rod of push-rod electric machine straight down, with demarcation strip mutually fix by the push rod end of push-rod electric machine.
When needing to separate oven interior, the push rod for controlling push-rod electric machine moves down, and the push rod of push-rod electric machine drives
Demarcation strip moves down, and as demarcation strip moves gradually downward, can be separated oven interior, separates easily and fast.
The regulating device includes upper adjusting rod, lower adjusting rod and collecting box, and upper adjusting rod and lower adjusting rod pass through axial direction
Mode that is fixed and circumferentially rotating is arranged in rack, and upper adjusting rod and lower adjusting rod are setting up and down, have between the two for cloth
Expect the gap that passes through, there is upper adjusting cavity inside upper adjustings rod, the upper rod side that adjusts is connected with several with upper adjusting cavity
First air admission hole, the upper upper adjusting cavity for adjusting rod are connected with collecting box by the first connecting tube, are provided in the first connecting tube
First asepwirator pump, has lower adjusting cavity inside lower adjusting rod, and the lower rod side that adjusts has several the to be connected with lower adjusting cavity
Two air admission holes, the lower lower adjusting cavity for adjusting rod are connected by the second connecting tube with collecting box, and the is provided in the second connecting tube
Two asepwirator pumps.
When needing to adjust the coating thickness of cloth, the cloth sprayed is between upper adjusting rod and lower adjusting rod,
The first asepwirator pump is opened, the masking liquid of cloth upper side is drawn into from the first air admission hole in upper adjusting cavity under the action of suction, on
The masking liquid that adjusting cavity is collected is sucked back by the first connecting tube in collecting box；Meanwhile the second asepwirator pump is opened, cloth downside
Masking liquid is drawn into from the second air admission hole in lower adjusting cavity under the action of suction, and the masking liquid that lower adjusting cavity is collected connects by second
It takes over and is sucked back into collecting box, to realize its adjustment effect, adjust quickly, conveniently.
Be fixed with PLC programmable controller in the rack, delivery pump, circulating pump, solenoid valve, flowmeter, push-rod electric machine,
First asepwirator pump and the second asepwirator pump are connected with the PLC programmable controller.
Using the above structure, delivery pump can control by PLC programmable controller, circulating pump, solenoid valve, flowmeter, push away
The start and stop of bar motor, the first asepwirator pump and the second asepwirator pump, intelligence degree are high.
Compared with prior art, the present invention has the following advantages：
1, the main raw material of protective layer is that polytetrafluoroethylene (PTFE) concentrates dispersion liquid, and suitable idol is added wherein in this filter bag
Join agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionized water, so that protective layer is had corrosion-resistant, antistatic, anti-
The advantages that bacterium and high-low temperature resistant, makes filter bag have more characteristic, can be applied in complex environment, functional more.
2, this preparation method can enable protective layer to be rapidly secured on base cloth layer, and filter bag any surface finish, it is homogeneous,
Structure and performance are stablized, good product quality.
3, the masking liquid of circulation inlet is transported in loop exit by circulating pump, realizes that masking liquid follows up and down in material storing box
Circulation is dynamic, and it is not in precipitation to make masking liquid, and mixing effect is good
4, the flow that masking liquid in discharge nozzle is detected by flowmeter, to may know that the quantity of the impurity in feed pipe, control
Solenoid valve processed is opened, and impurity is discharged from blow-off pipe, and filtering is quickly, conveniently.
5, it drives demarcation strip to move down by mobile mechanism, oven interior can be separated into multiple heating chambers, Mei Gejia
The temperature of drying can be separately provided in hot chamber, versatile so as to meet different drying demands.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this spray drying equipment.
Fig. 2 is the dimensional structure diagram of spray equipment in this spray drying equipment.
Fig. 3 is the dimensional structure diagram of regulating device in this spray drying equipment.
Fig. 4 is the close-up schematic view at A in Fig. 2.
In figure, 1, rack；2, motor；3, baking oven；3a, the second input port；3b, the second delivery outlet；4, shield；5, it heats
Pipe；6, upper adjusting rod；6a, the first air admission hole；6b, upper adjusting cavity；7, lower adjusting rod；7a, the second air admission hole；7b, lower adjusting cavity；
8, baffle box；8a, the first input port；8b, the first delivery outlet；9, lower nozzle；10, upper nozzle；11, PLC programmable controller；
12, conveying axis；13, push-rod electric machine；14, holder；15, demarcation strip；15a, punishment in advance straight slot；16, finished product axis；17, feed pipe；18、
Blow-off pipe；19, solenoid valve；20, filter screen；21, circulating pump；22, flowmeter；23, discharge nozzle；24, material storing box；24a, recycle into
Mouthful；24b, loop exit；25, delivery pipe；26, communicating pipe；27, delivery pump；28, collecting box；29, the second connecting tube；30, first
Connecting tube；31, the second asepwirator pump；32, the first asepwirator pump.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Filter bag embodiment one：
This aramid fiber superfine fibre needle pierces filter bag, including bag body, bag head and bag bottom, bag body one end are mutually fixed with bag head, bag body
The other end is mutually fixed with bag bottom, and bag body includes base cloth layer and protective layer, and protective layer is separately fixed at base cloth layer two sides, protective layer
It is made of each component of following parts by weight：Polytetrafluoroethylene (PTFE) concentrates 50~65 parts of dispersion liquid, and 0.8~1.5 part of coupling agent is organic
8~15 parts of silicones, 3~10 parts of antistatic agent, 10~15 parts of antiseptic, 0.2~0.5 part of antioxidant and deionized water 40~60
Part, after the component, since the main raw material of protective layer is that polytetrafluoroethylene (PTFE) concentrates dispersion liquid, and is added wherein suitable
Coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionized water, make protective layer have it is corrosion-resistant, antistatic,
The advantages that antibacterial and high-low temperature resistant, can be applied to make filter bag have more characteristic in complex environment, functional more.
The parts by weight of each component are as follows：Polytetrafluoroethylene (PTFE) concentrates 58 parts of dispersion liquid, 1.1 parts of coupling agent, organic siliconresin 11
Part, 7 parts of antistatic agent, 12 parts of antiseptic, 50 parts of 0.4 part of antioxidant and deionized water can enable protective layer using the structure
Reach best using effect, component is reasonable.
Base cloth layer is made of macromolecular fibre needle thorn, and macromolecular fibre is aramid fiber, glass fibre and polyphenylene sulfide
Composite fibre, the weight ratio of aramid fiber, glass fibre and polyphenylene sulfide is 7：1：2；Antistatic agent resists quiet for nonionic
Agent, nonionic resist the existing product that quiet dose of use can be bought in the market；Antiseptic is silver ion antimicrobial agent, silver-ion antibiotic
Agent is using the existing product that can be bought in the market；Antioxidant is diphenylamines, and using the structure, base cloth layer is mixed by three kinds of fibers
It closes, its strainability can be enhanced, high-precision filtering, good filtration effect can be carried out to dusty gas.
Filter bag embodiment two：
This aramid fiber superfine fibre needle pierces filter bag, including bag body, bag head and bag bottom, bag body one end are mutually fixed with bag head, bag body
The other end is mutually fixed with bag bottom, and bag body includes base cloth layer and protective layer, and protective layer is separately fixed at base cloth layer two sides, protective layer
It is made of each component of following parts by weight：Polytetrafluoroethylene (PTFE) concentrates 50~65 parts of dispersion liquid, and 0.8~1.5 part of coupling agent is organic
8~15 parts of silicones, 3~10 parts of antistatic agent, 10~15 parts of antiseptic, 0.2~0.5 part of antioxidant and deionized water 40~60
Part, after the component, since the main raw material of protective layer is that polytetrafluoroethylene (PTFE) concentrates dispersion liquid, and is added wherein suitable
Coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionized water, make protective layer have it is corrosion-resistant, antistatic,
The advantages that antibacterial and high-low temperature resistant, can be applied to make filter bag have more characteristic in complex environment, functional more.
The parts by weight of each component are as follows：Polytetrafluoroethylene (PTFE) concentrates 50 parts of dispersion liquid, 0.8 part of coupling agent, organic siliconresin 8
40 parts of part, 3 parts of antistatic agent, 10 parts of antiseptic, 0.2 part of antioxidant and deionized water.
Base cloth layer is made of macromolecular fibre needle thorn, and macromolecular fibre is aramid fiber, glass fibre and polyphenylene sulfide
Composite fibre, the weight ratio of aramid fiber, glass fibre and polyphenylene sulfide is 7：1：2；Antistatic agent resists quiet for nonionic
Agent, nonionic resist the existing product that quiet dose of use can be bought in the market；Antiseptic is silver ion antimicrobial agent, silver-ion antibiotic
Agent is using the existing product that can be bought in the market；Antioxidant is diphenylamines, and using the structure, base cloth layer is mixed by three kinds of fibers
It closes, its strainability can be enhanced, high-precision filtering, good filtration effect can be carried out to dusty gas.
Filter bag embodiment three：
This aramid fiber superfine fibre needle pierces filter bag, including bag body, bag head and bag bottom, bag body one end are mutually fixed with bag head, bag body
The other end is mutually fixed with bag bottom, and bag body includes base cloth layer and protective layer, and protective layer is separately fixed at base cloth layer two sides, protective layer
It is made of each component of following parts by weight：Polytetrafluoroethylene (PTFE) concentrates 50~65 parts of dispersion liquid, and 0.8~1.5 part of coupling agent is organic
8~15 parts of silicones, 3~10 parts of antistatic agent, 10~15 parts of antiseptic, 0.2~0.5 part of antioxidant and deionized water 40~60
Part, after the component, since the main raw material of protective layer is that polytetrafluoroethylene (PTFE) concentrates dispersion liquid, and is added wherein suitable
Coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionized water, make protective layer have it is corrosion-resistant, antistatic,
The advantages that antibacterial and high-low temperature resistant, can be applied to make filter bag have more characteristic in complex environment, functional more.
The parts by weight of each component are as follows：Polytetrafluoroethylene (PTFE) concentrates 50~65 parts of dispersion liquid, 1.5 parts of coupling agent, organosilicon tree
60 parts of 15 parts of fat, 10 parts of antistatic agent, 15 parts of antiseptic, 0.5 part of antioxidant and deionized water.
Base cloth layer is made of macromolecular fibre needle thorn, and macromolecular fibre is aramid fiber, glass fibre and polyphenylene sulfide
Composite fibre, the weight ratio of aramid fiber, glass fibre and polyphenylene sulfide is 7：1：2；Antistatic agent resists quiet for nonionic
Agent, nonionic resist the existing product that quiet dose of use can be bought in the market；Antiseptic is silver ion antimicrobial agent, silver-ion antibiotic
Agent is using the existing product that can be bought in the market；Antioxidant is diphenylamines, and using the structure, base cloth layer is mixed by three kinds of fibers
It closes, its strainability can be enhanced, high-precision filtering, good filtration effect can be carried out to dusty gas.
The performance comparison such as following table of filter bag embodiment one, filter bag embodiment two, filter bag embodiment three and existing filter bag：
Preparation method embodiment one：
This aramid fiber superfine fibre needle pierces the preparation method of filter bag, comprises the steps of：
A, surface density is made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide
For 180g/m2Base cloth layer；
B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；
C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；
D, required raw material is weighed by the parts by weight of the above components；
F, polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and gone
Ionized water is added in common blender, stirs 20min, speed of agitator 200r/min, and lotion is made；
G, by spray drying equipment by Emulsion Spraying on base cloth layer, and set 3 drying sections, the temperature of 3 drying sections
Degree is 80 DEG C successively, and 130 DEG C, 200 DEG C, the emulsion layer for drying formation is protective layer；
H, bag body, bag head and bag bottom are stitched together by common sewing machine, are processed into aramid fiber superfine fibre needle thorn
Filter bag.
As shown in Figure 1, Figure 2, Figure 4 shows, the spray drying equipment in step f, including rack 1 are provided with spraying in rack 1
Device and drying unit are provided with the regulating device that can adjust coating thickness, spray equipment between spray equipment and drying unit
It is the baffle box 8 of cavity including inside, delivery pump 27 and the material storing box 24 for storing masking liquid, baffle box 8 are fixed on rack 1
On, baffle box 8 is fixed on by bolted connection in rack 1；8 both ends of baffle box offer respectively the first input port 8a and
First delivery outlet 8b is provided with upper nozzle 10 and lower nozzle 9 in baffle box 8, and upper nozzle 10 is located at the top in baffle box 8, and
Downward, lower nozzle 9 is located at the lower part in baffle box 8 to the discharge port one of upper nozzle 10, and the discharge port two of lower nozzle 9 is upward, on
Communicating pipe 26 is connected between the feed inlet one of nozzle 10 and the feed inlet two of lower nozzle 9, communicating pipe, 26 middle part passed through delivery pipe
25 are connected with material storing box 24, and delivery pump 27 is arranged in delivery pipe 25, and masking liquid in material storing box 24 can be stirred by being provided in rack 1
The rabbling mechanism mixed, rabbling mechanism include the loop exit 24b for being opened in 24 top of material storing box, are opened in 24 lower part of material storing box
Import 24a and circulating pump 21 are recycled, discharge nozzle 23 is connected between the conveying outlet of loop exit 24b and circulating pump 21, discharges
Flowmeter 22 is provided in pipe 23, flowmeter 22 is using the existing product that can be bought in the market；Recycle import 24a and circulating pump
It is connected with feed pipe 17 between 21 conveying import, filter screen 20 is provided in feed pipe 17,17 middle part of feed pipe is also associated with
Blow-off pipe 18, blow-off pipe 18 are provided with solenoid valve 19, solenoid valve 19 between filter screen 20 and material storing box 24 on blow-off pipe 18
It is connected with flowmeter 22, using the structure, the masking liquid recycled at import 24a can be transported to by loop exit by circulating pump 21
In 24b, realize that masking liquid circulates up and down in material storing box 24, it is not in precipitation to make masking liquid, and mixing effect is good；In filter screen 20
When being filtered to the impurity in masking liquid, the flow of masking liquid in discharge nozzle 23 is detected by flowmeter 22, to know feed pipe
The quantity of impurity in 17, control solenoid valve 19 are opened, impurity are discharged from blow-off pipe 18, and filtering is quickly, conveniently；This equipment is also
Including the conveying axis 12 for being used for being arranged cloth roll and the finished product axis 16 for collecting finished product is arranged in rack 1, finished product axis 16 is logical
It crosses motor 2 and drives its rotation.
As shown in Figure 1, drying unit includes the baking oven 3 in strip, baking oven 3 is fixed in rack 1, and baking oven 3 passes through spiral shell
The mode connect is tethered to be fixed in rack 1；3 liang of long ends of baking oven offer the second input port 3a and the second delivery outlet 3b respectively, and
Second input port 3a is provided with several heating tubes 5 in the first delivery outlet 8b, baking oven 3, in the present embodiment, heating tube 5
Quantity is 30, shield 4 is further fixed in drying, heating tube 5 is in shield 4；3 top of baking oven is further opened with several logical
Slot, in the present embodiment, the quantity of straight slot is two；Be provided in straight slot can by 3 inside points of baking oven every demarcation strip 15, separate
Plate 15 can drive mobile mechanism lower mobile to be thereon connected with one, on demarcation strip 15 with for cloth by punishment in advance straight slot 15a,
Using the structure, drives demarcation strip 15 to move down by mobile mechanism, can will be separated into multiple heating chambers inside baking oven 3, often
The temperature of drying can be separately provided in a heating chamber, versatile so as to meet different drying demands.
As shown in Figure 1, mobile mechanism includes push-rod electric machine 13 and holder 14, holder 14 is fixed on baking oven 3, and holder 14 is logical
The mode for crossing welding is fixed on baking oven 3；Push-rod electric machine 13 is fixed on the support 14, the side that push-rod electric machine 13 is bolted
Formula is fixed on the support 14；The push rod of push-rod electric machine 13 straight down, with demarcation strip 15 mutually consolidate by the push rod end of push-rod electric machine 13
Fixed, the push rod end of push-rod electric machine 13 is mutually fixed with demarcation strip 15 by bolted connection.
As shown in Figure 1, Figure 3, regulating device includes upper adjusting rod 6, lower adjusting rod 7 and collecting box 28, and upper adjusting rod 6 is under
It adjusts rod 7 axial restraint and by way of circumferentially rotating to be arranged in rack 1, be divided on upper adjusting rod 6 and lower adjusting rod 7
Set, have between the two for cloth by gap, with upper adjusting cavity 6b, upper 6 side of adjusting rod has the inside of upper adjustings rod 6
Several the first air admission hole 6a being connected with upper adjusting cavity 6b, in the present embodiment, the quantity of the first air admission hole 6a is 100；
The upper upper adjusting cavity 6b for adjusting rod 6 is connected by the first connecting tube 30 with collecting box 28, and the is provided in the first connecting tube 30
There is lower adjusting cavity 7b, lower 7 side of adjusting rod to be connected with lower adjusting cavity 7b with several for one asepwirator pump 32,7 inside of lower adjusting rod
The second logical air admission hole 7a, in the present embodiment, the quantity of the second air admission hole 7a is 100；The lower lower adjusting cavity for adjusting rod 7
7b is connected by the second connecting tube 29 with collecting box 28, and the second asepwirator pump 31 is provided in the second connecting tube 29.
As shown in Figure 1, PLC programmable controller 11 is fixed in rack 1, it is solid by bolted connection in rack 1
Surely have a PLC programmable controller 11, the program that controller controls the start and stop of motor, solenoid valve, flowmeter and pump be it is existing,
Program need not update, delivery pump 27, circulating pump 21, solenoid valve 19, flowmeter 22, push-rod electric machine 13, the first asepwirator pump
32 and second asepwirator pump 31 be connected with the PLC programmable controller 11.
Preparation method embodiment two：
This aramid fiber superfine fibre needle pierces the preparation method of filter bag, comprises the steps of：
A, surface density is made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide
For 182g/m2Base cloth layer；
B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；
C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；
D, required raw material is weighed by the parts by weight of the above components；
F, polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and gone
Ionized water is added in common blender, stirs 25min, speed of agitator 250r/min, and lotion is made；
G, by spray drying equipment by Emulsion Spraying on base cloth layer, and set 3 drying sections, the temperature of 3 drying sections
Degree is 80 DEG C successively, and 130 DEG C, 200 DEG C, the emulsion layer for drying formation is protective layer；
H, bag body, bag head and bag bottom are stitched together by common sewing machine, are processed into aramid fiber superfine fibre needle thorn
Filter bag.
As shown in Figure 1, Figure 2, Figure 4 shows, the spray drying equipment in step f, including rack 1 are provided with spraying in rack 1
Device and drying unit are provided with the regulating device that can adjust coating thickness, spray equipment between spray equipment and drying unit
It is the baffle box 8 of cavity including inside, delivery pump 27 and the material storing box 24 for storing masking liquid, baffle box 8 are fixed on rack 1
On, baffle box 8 is fixed on by bolted connection in rack 1；8 both ends of baffle box offer respectively the first input port 8a and
First delivery outlet 8b is provided with upper nozzle 10 and lower nozzle 9 in baffle box 8, and upper nozzle 10 is located at the top in baffle box 8, and
Downward, lower nozzle 9 is located at the lower part in baffle box 8 to the discharge port one of upper nozzle 10, and the discharge port two of lower nozzle 9 is upward, on
Communicating pipe 26 is connected between the feed inlet one of nozzle 10 and the feed inlet two of lower nozzle 9, communicating pipe, 26 middle part passed through delivery pipe
25 are connected with material storing box 24, and delivery pump 27 is arranged in delivery pipe 25, and masking liquid in material storing box 24 can be stirred by being provided in rack 1
The rabbling mechanism mixed, rabbling mechanism include the loop exit 24b for being opened in 24 top of material storing box, are opened in 24 lower part of material storing box
Import 24a and circulating pump 21 are recycled, discharge nozzle 23 is connected between the conveying outlet of loop exit 24b and circulating pump 21, discharges
Flowmeter 22 is provided in pipe 23, flowmeter 22 is using the existing product that can be bought in the market；Recycle import 24a and circulating pump
It is connected with feed pipe 17 between 21 conveying import, filter screen 20 is provided in feed pipe 17,17 middle part of feed pipe is also associated with
Blow-off pipe 18, blow-off pipe 18 are provided with solenoid valve 19, solenoid valve 19 between filter screen 20 and material storing box 24 on blow-off pipe 18
It is connected with flowmeter 22, using the structure, the masking liquid recycled at import 24a can be transported to by loop exit by circulating pump 21
In 24b, realize that masking liquid circulates up and down in material storing box 24, it is not in precipitation to make masking liquid, and mixing effect is good；In filter screen 20
When being filtered to the impurity in masking liquid, the flow of masking liquid in discharge nozzle 23 is detected by flowmeter 22, to know feed pipe
The quantity of impurity in 17, control solenoid valve 19 are opened, impurity are discharged from blow-off pipe 18, and filtering is quickly, conveniently；This equipment is also
Including the conveying axis 12 for being used for being arranged cloth roll and the finished product axis 16 for collecting finished product is arranged in rack 1, finished product axis 16 is logical
It crosses motor 2 and drives its rotation.
As shown in Figure 1, drying unit includes the baking oven 3 in strip, baking oven 3 is fixed in rack 1, and baking oven 3 passes through spiral shell
The mode connect is tethered to be fixed in rack 1；3 liang of long ends of baking oven offer the second input port 3a and the second delivery outlet 3b respectively, and
Second input port 3a is provided with several heating tubes 5 in the first delivery outlet 8b, baking oven 3, in the present embodiment, heating tube 5
Quantity is 30, shield 4 is further fixed in drying, heating tube 5 is in shield 4；3 top of baking oven is further opened with several logical
Slot, in the present embodiment, the quantity of straight slot is two；Be provided in straight slot can by 3 inside points of baking oven every demarcation strip 15, separate
Plate 15 can drive mobile mechanism lower mobile to be thereon connected with one, on demarcation strip 15 with for cloth by punishment in advance straight slot 15a,
Using the structure, drives demarcation strip 15 to move down by mobile mechanism, can will be separated into multiple heating chambers inside baking oven 3, often
The temperature of drying can be separately provided in a heating chamber, versatile so as to meet different drying demands.
As shown in Figure 1, mobile mechanism includes push-rod electric machine 13 and holder 14, holder 14 is fixed on baking oven 3, and holder 14 is logical
The mode for crossing welding is fixed on baking oven 3；Push-rod electric machine 13 is fixed on the support 14, the side that push-rod electric machine 13 is bolted
Formula is fixed on the support 14；The push rod of push-rod electric machine 13 straight down, with demarcation strip 15 mutually consolidate by the push rod end of push-rod electric machine 13
Fixed, the push rod end of push-rod electric machine 13 is mutually fixed with demarcation strip 15 by bolted connection.
As shown in Figure 1, Figure 3, regulating device includes upper adjusting rod 6, lower adjusting rod 7 and collecting box 28, and upper adjusting rod 6 is under
It adjusts rod 7 axial restraint and by way of circumferentially rotating to be arranged in rack 1, be divided on upper adjusting rod 6 and lower adjusting rod 7
Set, have between the two for cloth by gap, with upper adjusting cavity 6b, upper 6 side of adjusting rod has the inside of upper adjustings rod 6
Several the first air admission hole 6a being connected with upper adjusting cavity 6b, in the present embodiment, the quantity of the first air admission hole 6a is 100；
The upper upper adjusting cavity 6b for adjusting rod 6 is connected by the first connecting tube 30 with collecting box 28, and the is provided in the first connecting tube 30
There is lower adjusting cavity 7b, lower 7 side of adjusting rod to be connected with lower adjusting cavity 7b with several for one asepwirator pump 32,7 inside of lower adjusting rod
The second logical air admission hole 7a, in the present embodiment, the quantity of the second air admission hole 7a is 100；The lower lower adjusting cavity for adjusting rod 7
7b is connected by the second connecting tube 29 with collecting box 28, and the second asepwirator pump 31 is provided in the second connecting tube 29.
As shown in Figure 1, PLC programmable controller 11 is fixed in rack 1, it is solid by bolted connection in rack 1
Surely have a PLC programmable controller 11, the program that controller controls the start and stop of motor, solenoid valve, flowmeter and pump be it is existing,
Program need not update, delivery pump 27, circulating pump 21, solenoid valve 19, flowmeter 22, push-rod electric machine 13, the first asepwirator pump
32 and second asepwirator pump 31 be connected with the PLC programmable controller 11.
Preparation method embodiment three：
This aramid fiber superfine fibre needle pierces the preparation method of filter bag, comprises the steps of：
A, surface density is made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide
For 185g/m2Base cloth layer；
B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；
C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；
D, required raw material is weighed by the parts by weight of the above components；
F, polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and gone
Ionized water is added in common blender, stirs 30min, speed of agitator 300r/min, and lotion is made；
G, by spray drying equipment by Emulsion Spraying on base cloth layer, and set 3 drying sections, the temperature of 3 drying sections
Degree is 80 DEG C successively, and 130 DEG C, 200 DEG C, the emulsion layer for drying formation is protective layer；
H, bag body, bag head and bag bottom are stitched together by common sewing machine, are processed into aramid fiber superfine fibre needle thorn
Filter bag.
Using this method, protective layer can be enable to be rapidly secured on base cloth layer, and filter bag any surface finish, it is homogeneous,
Structure and performance are stablized, good product quality.
As shown in Figure 1, Figure 2, Figure 4 shows, the spray drying equipment in step f, including rack 1 are provided with spraying in rack 1
Device and drying unit are provided with the regulating device that can adjust coating thickness, spray equipment between spray equipment and drying unit
It is the baffle box 8 of cavity including inside, delivery pump 27 and the material storing box 24 for storing masking liquid, baffle box 8 are fixed on rack 1
On, baffle box 8 is fixed on by bolted connection in rack 1；8 both ends of baffle box offer respectively the first input port 8a and
First delivery outlet 8b is provided with upper nozzle 10 and lower nozzle 9 in baffle box 8, and upper nozzle 10 is located at the top in baffle box 8, and
Downward, lower nozzle 9 is located at the lower part in baffle box 8 to the discharge port one of upper nozzle 10, and the discharge port two of lower nozzle 9 is upward, on
Communicating pipe 26 is connected between the feed inlet one of nozzle 10 and the feed inlet two of lower nozzle 9, communicating pipe, 26 middle part passed through delivery pipe
25 are connected with material storing box 24, and delivery pump 27 is arranged in delivery pipe 25, and masking liquid in material storing box 24 can be stirred by being provided in rack 1
The rabbling mechanism mixed, rabbling mechanism include the loop exit 24b for being opened in 24 top of material storing box, are opened in 24 lower part of material storing box
Import 24a and circulating pump 21 are recycled, discharge nozzle 23 is connected between the conveying outlet of loop exit 24b and circulating pump 21, discharges
Flowmeter 22 is provided in pipe 23, flowmeter 22 is using the existing product that can be bought in the market；Recycle import 24a and circulating pump
It is connected with feed pipe 17 between 21 conveying import, filter screen 20 is provided in feed pipe 17,17 middle part of feed pipe is also associated with
Blow-off pipe 18, blow-off pipe 18 are provided with solenoid valve 19, solenoid valve 19 between filter screen 20 and material storing box 24 on blow-off pipe 18
It is connected with flowmeter 22, using the structure, the masking liquid recycled at import 24a can be transported to by loop exit by circulating pump 21
In 24b, realize that masking liquid circulates up and down in material storing box 24, it is not in precipitation to make masking liquid, and mixing effect is good；In filter screen 20
When being filtered to the impurity in masking liquid, the flow of masking liquid in discharge nozzle 23 is detected by flowmeter 22, to know feed pipe
The quantity of impurity in 17, control solenoid valve 19 are opened, impurity are discharged from blow-off pipe 18, and filtering is quickly, conveniently；This equipment is also
Including the conveying axis 12 for being used for being arranged cloth roll and the finished product axis 16 for collecting finished product is arranged in rack 1, finished product axis 16 is logical
It crosses motor 2 and drives its rotation.
As shown in Figure 1, drying unit includes the baking oven 3 in strip, baking oven 3 is fixed in rack 1, and baking oven 3 passes through spiral shell
The mode connect is tethered to be fixed in rack 1；3 liang of long ends of baking oven offer the second input port 3a and the second delivery outlet 3b respectively, and
Second input port 3a is provided with several heating tubes 5 in the first delivery outlet 8b, baking oven 3, in the present embodiment, heating tube 5
Quantity is 30, shield 4 is further fixed in drying, heating tube 5 is in shield 4；3 top of baking oven is further opened with several logical
Slot, in the present embodiment, the quantity of straight slot is two；Be provided in straight slot can by 3 inside points of baking oven every demarcation strip 15, separate
Plate 15 can drive mobile mechanism lower mobile to be thereon connected with one, on demarcation strip 15 with for cloth by punishment in advance straight slot 15a,
Using the structure, drives demarcation strip 15 to move down by mobile mechanism, can will be separated into multiple heating chambers inside baking oven 3, often
The temperature of drying can be separately provided in a heating chamber, versatile so as to meet different drying demands.
As shown in Figure 1, mobile mechanism includes push-rod electric machine 13 and holder 14, holder 14 is fixed on baking oven 3, and holder 14 is logical
The mode for crossing welding is fixed on baking oven 3；Push-rod electric machine 13 is fixed on the support 14, the side that push-rod electric machine 13 is bolted
Formula is fixed on the support 14；The push rod of push-rod electric machine 13 straight down, with demarcation strip 15 mutually consolidate by the push rod end of push-rod electric machine 13
Fixed, the push rod end of push-rod electric machine 13 is mutually fixed with demarcation strip 15 by bolted connection.
As shown in Figure 1, Figure 3, regulating device includes upper adjusting rod 6, lower adjusting rod 7 and collecting box 28, and upper adjusting rod 6 is under
It adjusts rod 7 axial restraint and by way of circumferentially rotating to be arranged in rack 1, be divided on upper adjusting rod 6 and lower adjusting rod 7
Set, have between the two for cloth by gap, with upper adjusting cavity 6b, upper 6 side of adjusting rod has the inside of upper adjustings rod 6
Several the first air admission hole 6a being connected with upper adjusting cavity 6b, in the present embodiment, the quantity of the first air admission hole 6a is 100；
The upper upper adjusting cavity 6b for adjusting rod 6 is connected by the first connecting tube 30 with collecting box 28, and the is provided in the first connecting tube 30
There is lower adjusting cavity 7b, lower 7 side of adjusting rod to be connected with lower adjusting cavity 7b with several for one asepwirator pump 32,7 inside of lower adjusting rod
The second logical air admission hole 7a, in the present embodiment, the quantity of the second air admission hole 7a is 100；The lower lower adjusting cavity for adjusting rod 7
7b is connected by the second connecting tube 29 with collecting box 28, and the second asepwirator pump 31 is provided in the second connecting tube 29.
As shown in Figure 1, PLC programmable controller 11 is fixed in rack 1, it is solid by bolted connection in rack 1
Surely have a PLC programmable controller 11, the program that controller controls the start and stop of motor, solenoid valve, flowmeter and pump be it is existing,
Program need not update, delivery pump 27, circulating pump 21, solenoid valve 19, flowmeter 22, push-rod electric machine 13, the first asepwirator pump
32 and second asepwirator pump 31 be connected with the PLC programmable controller 11.
The operation principle of this spray drying equipment is as follows：Cloth roll is set on conveying axis 12, and make cloth one end from
It is input in baffle box 8 at first input port 8a, controlling delivery pump 27 by PLC programmable controller 11 opens, delivery pump 27
Masking liquid in material storing box 24 is transported to by delivery pipe 25 in communicating pipe 26, the masking liquid in communicating pipe 26 is respectively delivered to spray
First 10 and lower nozzle 9 in, the both sides of cloth are sprayed by upper nozzle 10 and lower nozzle 9, the cloth sprayed is from barrier
It is exported at first delivery outlet 8b of case 8, the cloth sprayed is between upper adjusting rod 6 and lower adjusting rod 7, it can by PLC
Programmable controller 11 controls the first asepwirator pump 32 and opens, and the masking liquid of cloth upper side is under the action of suction, from the first air admission hole
6a is drawn into adjusting cavity 6b, and the masking liquid that upper adjusting cavity 6b is collected is sucked back by the first connecting tube 30 in collecting box 28；Together
When, by PLC programmable controller 11 control the second asepwirator pump 31 open, the masking liquid of cloth downside under the action of suction,
It is drawn into lower adjusting cavity 7b from the second air admission hole 7a, the masking liquid that lower adjusting cavity 7b is collected is sucked back into receipts by the second connecting tube 29
In header 28, the coating thickness of cloth is adjusted to desirable value, the cloth that coating thickness is regulated is from the second input port 3a
It being input in baking oven 3, is dried cloth by heating tube 5, the cloth dried exports from the second delivery outlet 3b of baking oven 3,
The cloth dried is collected on finished product axis 16, to complete its spraying drying operation.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (2)
1. a kind of preparation method of aramid fiber superfine fibre needle thorn filter bag, which is characterized in that comprise the steps of：
A, surface density is made by shredding, mixing, combing and cross lapping in aramid fiber, glass fibre and polyphenylene sulfide is
180~185g/m2Base cloth layer；
B, base cloth layer is passed through in common calender of singing to singe and is handled with press polish；
C, base cloth layer is passed through to the grieshoch and impurity that surface is removed in common dust removal machine；
D, it presses polytetrafluoroethylene (PTFE) and concentrates 50 parts of dispersion liquid, 0.8 part of coupling agent, 8 parts of organic siliconresin, 3 parts of antistatic agent, antiseptic
10 parts, the parts by weight of 40 parts of 0.2 part of antioxidant and deionized water weigh required raw material；
F, polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, coupling agent, organic siliconresin, antistatic agent, antiseptic, antioxidant and deionization
Water is added in common blender, stirs 20min, speed of agitator 200r/min, and lotion is made；
G, by spray drying equipment by Emulsion Spraying on base cloth layer, and set 3 drying sections, the temperature of 3 drying sections according to
Secondary is 80 DEG C, and 130 DEG C, 200 DEG C, the emulsion layer for drying formation is protective layer；
H, bag body, bag head and bag bottom are stitched together by common sewing machine, are processed into aramid fiber superfine fibre needle thorn filter bag；
The spray drying equipment in step g, including rack, spray equipment is provided in the rack and drying fills
It sets, the regulating device that can adjust coating thickness is provided between spray equipment and drying unit, spray equipment includes internal for sky
The baffle box of chamber, delivery pump and the material storing box for storing masking liquid, baffle box are fixed on the rack, and baffle box both ends open up respectively
There are the first input port and the first delivery outlet, upper nozzle and lower nozzle are provided in baffle box, upper nozzle is located at upper in baffle box
Portion, and the discharge port one of upper nozzle is downward, lower nozzle is located at the lower part in baffle box, and the discharge port two of lower nozzle is upward, on
It is connected with communicating pipe between the feed inlet one of nozzle and the feed inlet two of lower nozzle, passes through delivery pipe and material storing box in the middle part of communicating pipe
It is connected, delivery pump setting is provided with the rabbling mechanism that can be stirred to masking liquid in material storing box, blender in delivery pipe, in rack
Structure includes the loop exit for being opened in storing upper box part, is opened in cycle import and the circulating pump of storing lower box part, loop exit
It is connected with discharge nozzle between the conveying of circulating pump outlet, flowmeter is provided in discharge nozzle, recycles the defeated of import and circulating pump
It is connected with feed pipe between feeding mouth, filter screen is provided in feed pipe, blow-off pipe, blow-off pipe position are also associated in the middle part of feed pipe
Between filter screen and material storing box, solenoid valve is provided on blow-off pipe, solenoid valve is connected with flowmeter；The drying unit includes
In the baking oven of strip, baking oven is fixed on the rack, and two long end of baking oven offers the second input port and the second delivery outlet respectively, and
Second input port is provided with several heating tubes in the first delivery outlet, baking oven, and several straight slots, straight slot are further opened at the top of baking oven
In be provided with the demarcation strip that oven interior can be separated, demarcation strip with one can drive thereon lower mobile mobile mechanism be connected, divide
On partition board have for cloth by punishment in advance straight slot；The mobile mechanism includes push-rod electric machine and holder, and holder is fixed on baking oven
On, push-rod electric machine is fixed on holder, and straight down, the push rod end of push-rod electric machine is mutually solid with demarcation strip for the push rod of push-rod electric machine
It is fixed；The regulating device includes upper adjusting rod, lower adjusting rod and collecting box, upper adjusting rod and lower adjusting rod by axial restraint and
The mode circumferentially rotated is arranged in rack, and upper adjusting rod and lower adjusting rod are setting up and down, has pass through for cloth between the two
Gap, there is inside upper adjusting rod upper adjusting cavity, upper adjustings rod side with several first to be connected with upper adjusting cavity into
Stomata, the upper upper adjusting cavity for adjusting rod are connected by the first connecting tube with collecting box, and the first suction is provided in the first connecting tube
There is lower adjusting cavity, lower adjusting rod side to have several the second air inlets being connected with lower adjusting cavity for air pump, lower adjusting rod inside
Hole, the lower lower adjusting cavity for adjusting rod are connected by the second connecting tube with collecting box, and the second air-breathing is provided in the second connecting tube
Pump.
2. the preparation method of aramid fiber superfine fibre needle thorn filter bag according to claim 1, which is characterized in that in the rack
It is fixed with PLC programmable controller, delivery pump, circulating pump, solenoid valve, flowmeter, push-rod electric machine, the first asepwirator pump and second inhale
Air pump is connected with the PLC programmable controller.
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| CN201610939097.1A CN106390623B (en) | 2015-08-26 | 2015-08-26 | A kind of preparation method of aramid fiber superfine fibre needle thorn filter bag |
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| CN201510531324.2A Pending CN105169829A (en) | 2015-08-26 | 2015-08-26 | Aramid-fiber superfine-fiber needle-punched filter bag and preparation method thereof |
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| CN106238263B (en) * | 2016-10-18 | 2019-02-12 | 浙江宇邦滤材科技有限公司 | Needle pierces the spray equipment that spray drying equipment is used in filter bag processing |
| CN106391383B (en) * | 2016-10-18 | 2018-11-13 | 浙江宇邦滤材科技有限公司 | Filter bag processing spraying equipment |
| CN109208177A (en) * | 2018-09-27 | 2019-01-15 | 国网河南省电力公司内乡县供电公司 | A kind of antistatic warming composite material and preparation method thereof |
| CN110052355B (en) * | 2019-05-10 | 2024-02-20 | 汉硕高新材料（天津）有限公司 | Carbon fiber prepreg system and manufacturing method thereof |
| CN110216030B (en) * | 2019-06-24 | 2020-11-17 | 乐清市曙晟科技有限公司 | Small-sized production line type paint spray booth special for processing automobile mechanical parts |
| CN111804548B (en) * | 2020-07-02 | 2022-04-12 | 格瑞夫柔性包装(常州)有限公司 | Novel antistatic weaving material manufacturing process |
| CN113046928B (en) * | 2020-08-13 | 2023-12-15 | 常熟市良恒无纺制品有限公司 | High-toughness medical non-woven fabric |
| CN112195658B (en) * | 2020-10-09 | 2023-02-03 | 浙江得久新材料有限公司 | Flame-retardant high-temperature-resistant protective fabric and preparation device thereof |
| CN115445327A (en) * | 2022-08-25 | 2022-12-09 | 广德辉龙环保科技有限公司 | Alkali-resistant aramid composite filter bag and manufacturing process thereof |
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Also Published As
| Publication number | Publication date |
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| CN106391386A (en) | 2017-02-15 |
| CN105169829A (en) | 2015-12-23 |
| CN106390623A (en) | 2017-02-15 |
| CN106391386B (en) | 2018-08-07 |
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