CN1033658C - Non-woven warmth-retaining water-proof felt for green house of vegetables - Google Patents
Non-woven warmth-retaining water-proof felt for green house of vegetables Download PDFInfo
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- CN1033658C CN1033658C CN93117997A CN93117997A CN1033658C CN 1033658 C CN1033658 C CN 1033658C CN 93117997 A CN93117997 A CN 93117997A CN 93117997 A CN93117997 A CN 93117997A CN 1033658 C CN1033658 C CN 1033658C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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Abstract
The present invention relates to a manufacturing method for nonwoven warmth-retaining waterproof felt for a vegetable greenhouse, and the waterproof felt is a felty chemical fibre product for the coverage of the vegetable greenhouse. The present invention adopts bonded fibres, polyester fibers, polyamide fibres, etc., and uses remainders of a chemical fibre factory as raw material. The present invention comprises ten processes of cleaning, cutting, loosening, spraying an antistatic agent, proportioning ingredients, mixing cotton, combing cotton, forming a net, needling, hot rolling (fusing) bonding, tailoring, forming, etc. The present invention has the advantages of low cost, simple fabrication technology and process, and convenient popularization and application.
Description
The present invention relates to a kind of manufacture method of non-woven warmth-retaining water-proof felt for green house of vegetables.
At present, adopt booth to produce vegetables and generally promote, and the insulation of booth, winter protection, rainproof etc. all adopt straw screen or mat and paper to be capped.Straw screen or mat promptly is to be made into curtain with straw plaited, and shortcoming is that permeability is strong, heat-insulating property is poor, non-watertight, volume is big, use and deposit the effort of taking a lot of work, owing to rough surface, very easily puncture the scuffing plastic sheeting, and service life is very short.
The object of the invention is: a kind of manufacture method of nonwoven thermal-insulating waterproof felt for green house of vegetables is provided, have with the felt for green house of this method manufacturing warming, characteristics such as winter protection, waterproof, attractive in appearance, light and soft, economy and durability.
The object of the present invention is achieved like this: raw material non-woven mat of the present invention is by three layers of fiber web bonding composition, ground floor is the top layer, it is watertight composition, the second layer is the intermediate layer, it is back-up coat, the 3rd layer is heat-insulation layer, through acupuncture, adopts hot rolling (melting) adhesion technique to make the nonwoven felt for green house three layers of fiber web.Raw material adopts waste material or leftover pieces such as sticking fiber, terylene, polyamide fibre, acrylic, polypropylene fibre, polyvinyl, cotton, hair, fiber crops, the waste product that these raw materials occur in mainly producing from chemical fibre mill, textile mills, clothing factory, and twice laid can make cost descend significantly.The technical process that adopts is: cleaning, cut-out, shredding, spray antistatic agent, batching, mixed cotton, comb and parallel cotton fibers prior to spinning become net, acupuncture, hot calendering bonding or hot melt adhesive, 10 procedures such as cutting moulding.
Specific embodiment is as follows:
1. cleaning: each fibrid is spread out, by hand or machine tears up, impurities removing, selected long fiber;
2. cut off: above-mentioned each fibrid is cut the millimeter to 30-50 with cutting machine;
3. shredding: each fibrid that will cut is used the opener shredding respectively, further removes foreign material, and reaching does not have the flower-shaped attitude of group;
4. spray antistatic agent: antistatic agent is sprayed at equably on the fiber of spreading out with sprayer;
5. prepare burden: above-mentioned fiber is divided into three parts, and portion is the top layer raw material, by 3 parts of terylene, and 2 parts of polypropylene fibre, 5 parts other mix fibrous: portion is that the intermediate layer also is a back-up coat, by 2 parts of assorted fibers, 8 parts of cloth angle cottons, other assorted fiber, regenerated fiber mix to be formed; The 3rd part is heat-insulation layer, by 5 parts of terylene, and 3 parts of polyamide fibres, 2 parts of acrylics mix to be formed;
6. mixed cotton: with above-mentioned three parts of batchings respectively by hand or machine puddle evenly, up to group's flower;
7. comb and parallel cotton fibers prior to spinning becomes net: can adopt air lay or machinery to become net.Wherein, air lay: utilization is blown into air flow fiber is separated from cylinder, carry into net, give main cylinder with above-mentioned three parts of batchings by the feeding roller strap of carding machine respectively, behind two pairs of working rolls and card stripper branch comb, fiber falls out along the main cylinder tangential direction that runs up, enter airflow field, fiber in airflow field owing to be subjected to the action of high-speed airflow that blows under the blower fan, drop on the convoying curtain, the convoying curtain below is a negative pressure cabin, and fiber is adsorbed on the convoying curtain, form the uniform fibers net, so just make three layers of fiber web; Machinery becomes net: adopt the folded method into the net of intersection that above-mentioned three parts of batchings are made fiber web respectively, concrete steps are, every layer of fiber web fed respectively after carding machine divides comb, and the fiber web of sending is the thin net of unidirectional array, with the lapping machine thin fibrous web is folded into certain thickness fiber web then.
8. acupuncture: adopt needle-punching method one or needle-punching method two, wherein:
Needle-punching method one: earlier with above-mentioned three layers of fiber web difference acupuncture one time, and then three layers of fiber web are combined with each other carry out acupuncture, with the cross section is barbedly on triangle and the seamed edge to carry out repeated localised puncture at fiber web, stings altogether 6 times, and positive and negative are respectively stung three times, when being needled into fiber web, hook thorn on the pin just drives a part of fiber movement, and the fiber in the net is tangled mutually, thereby makes fiber web obtain reinforcing, three-layer network just is bonded into one, and forms non-woven mat;
Needle-punching method two: above-mentioned three layers of fiber web are layered on the polyethylene film, with the enterprising hand-manipulating of needle thorn of film input needing machine of lapping, acupuncture at first penetrates fiber web, and then penetrates film again, penetrating depth of film is the 6-10 millimeter, barb on the pricker need penetrate film 7-8 millimeter, and film supports fiber web effectively, passes through acupuncture manipulation, when pricker vertically thrusts web surface, fiber rearranges, and strengthens pulling force and fastness, so just makes non-woven mat;
9. bonding: hot calendering bonding can be adopted, also hot melt adhesive can be adopted, wherein:
Hot calendering bonding: adopt heat to after the roll-in watertight composition of felt, last roll temperature is controlled at 156 ℃-165 ℃, wherein polypropylene fiber is separated through hot melt can be bonding better with other fiber, make the felt surface more smooth, firm, form a good water-proof surface; Hot melt adhesive: after three layers of fiber web are layered on the enterprising hand-manipulating of needle of polyethylene film thorn, send into baking oven for heating to 250 ℃-300 ℃, film is dissolved, the infiltrated fiber net, the non-woven mat of Xing Chenging can strengthen fastness and waterproof effect like this;
10. felt is cut into certain specification by user's request, is finished product.
Advantage with the product of the inventive method manufacturing is:
1. the warming performance is good, during use, improves 4 ℃-5 ℃ of temperature, crops premature ripening first quarter moon than straw screen or mat;
2. waterproof is mothproof, and is durable in use, and straw screen or mat can only use 2-3, and this non-woven mat can be used 8-10.
3. raw material sources are extensive, and are with low cost;
In sum, make the felt economy and durability with the present invention, technical process is simple, is convenient to popularize and promote.
Further specify technical process of the present invention for embodiment below:
1 cleaning: with terylene, polypropylene fibre, polyamide fibre, acrylic, cloth angle cotton, other assorted fiber, regenerated fiber classification is selected, more various Fibre sortings are spread out, by hand or machine tear up, reject impurity, selected long fiber;
2 cut off: with cutting machine above-mentioned various fibers are cut the millimeter to 30-50 respectively;
3 shreddings: each fibrid that will cut is used the opener shredding respectively, as no opener also shredding by hand, and further removal of contamination, all shreddings become filament, assorted fiber opening twice, regenerated fiber shredding four times, reaching does not have the flower-shaped attitude of group;
4 spray antistatic agents: the fiber that above-mentioned shredding is good is evenly spread out; Antistatic agent is sprayed at equably on each fibrid of spreading out with sprayer;
5 batchings: above-mentioned fiber is divided into three parts, and portion is the top layer raw material, by 3 parts of terylene, and 2 parts of polypropylene fibre, 5 parts other mix fibrous: portion is that the intermediate layer also is a back-up coat, by 2 parts of assorted fibers, 8 parts of cloth angle cottons, other assorted fiber, regenerated fibers mix to be formed; The 3rd part is heat-insulation layer, is mixed and is formed by 5 parts of terylene, 3 parts of polyamide fibres, 2 parts of acrylics;
6 mixed cotton: with above-mentioned three parts of batchings respectively by hand or machine puddle evenly, up to group flower;
7 air lays: utilization is blown into air flow fiber is separated from cylinder, carry into net, give main cylinder with above-mentioned three parts of batchings by the feeding roller strap of carding machine respectively, behind two pairs of working rolls and stripping branch comb, fiber falls out along the main cylinder tangential direction that runs up, enter airflow field, fiber in airflow field owing to be subjected to the action of high-speed airflow that blows under the blower fan, drop on the convoying curtain, the convoying curtain below is a negative pressure cabin, fiber is adsorbed on the convoying curtain, forms the uniform fibers net, so just make three layers of fiber web;
8 acupunctures: with needle-punching method one, earlier above-mentioned three layers of fiber web being distinguished acupuncture one time, and then three layers of fiber web are combined with each other carry out acupuncture, is barbedly on triangle and the seamed edge to carry out repeated localised puncture at fiber web with the cross section, sting altogether 6 times, positive and negative are respectively stung three times, and when being needled into fiber web, the hook thorn on the pin just drives a part of fiber movement, fiber in the net is tangled mutually, thereby make fiber web obtain reinforcing, three-layer network just is bonded into one, and forms non-woven mat;
9. hot calendering bonding: with a pair of hot pressing roller of the feeding of the non-woven mat after above-mentioned acupuncture setting machine, watertight composition contact hot-rolling with non-woven mat, last roll temperature is controlled at about 156 ℃～165 ℃, because the activation of polypropylene fibre, can combine better with other fiber, the generation fiber is bonding, non-woven mat surface, more smooth, firm, good waterproof top layer of formation;
10. cutting moulding: above-mentioned non-woven mat is cut into certain specification by user's request, and the sign indicating number top is finished product.
Embodiment 2:
The technology of present embodiment is substantially the same manner as Example 1 from the 1-6 procedure, does not give unnecessary details at this, narrates since the 7th procedure below:
7. machinery becomes net: adopt the folded method into the net of intersection that above-mentioned three parts of batchings are made fiber web respectively, concrete steps are, every layer of fiber web fed respectively after carding machine divides comb, the fiber web of sending is the thin net of unidirectional array, with the lapping machine thin fibrous web is folded into certain thickness fiber web then;
8. acupuncture: with needle-punching method two: above-mentioned three layers of fiber web are layered on the polyethylene film, with the enterprising hand-manipulating of needle thorn of film input needing machine of lapping, acupuncture at first penetrates fiber web, and then penetrates film again, penetrating depth of film is the 6-10 millimeter, barb on the pricker need penetrate film 7-8 millimeter, and film supports fiber web effectively, passes through acupuncture manipulation, when pricker vertically thrusts web surface, fiber rearranges, and strengthens pulling force and fastness, so just makes non-woven mat;
9. hot melt adhesive: the non-woven mat after the acupuncture is sent into baking oven, be heated to 250 ℃-300 ℃ rapidly, the very fast fusing of film this moment, and infiltrated fiber net cover on the fibroreticulate fiber, play bonding and waterproof action;
10. cutting moulding: the anti-felt of above-mentioned nothing is cut into certain specification by user's request, is finished product.
Claims (7)
1. the manufacture method of a non-woven warmth-retaining water-proof felt for green house of vegetables, operations such as comprising shredding, become net, acupuncture, hot rolling (melting) are bonding, it is characterized in that: specific embodiment is as follows:
(1) cleaning; With terylene, polypropylene fibre, polyamide fibre, acrylic, cloth angle cotton, other assorted fiber, regenerated fiber classification is selected, more various Fibre sortings are spread out, by hand or machine tear up, reject impurity, selected long fiber;
(2) cut off: above-mentioned various fibers are cut the millimeter to 30-50 respectively with cutting machine;
(3) shredding: each fibrid that will cut is used the opener shredding respectively, as no opener also shredding by hand, and further removal of contamination, all shreddings become filament, assorted fiber opening twice, regenerated fiber shredding four times, reaching does not have the flower-shaped attitude of group;
(4) spray antistatic agent: the fiber that above-mentioned shredding is good is evenly spread out, antistatic agent is sprayed at equably on each fibrid of spreading out with sprayer;
(5) batching: above-mentioned fiber is divided into three parts, and portion is the top layer raw material, by 3 parts of terylene, and 2 parts of polypropylene fibre, 5 parts other mix fibrous: portion is that the intermediate layer also is a back-up coat, by 2 parts of assorted fibers, 8 parts of cloth angle cottons, other assorted fiber, regenerated fibers mix to be formed; The 3rd part is heat-insulation layer, is mixed and is formed by 5 parts of terylene, 3 parts of polyamide fibres, 2 parts of acrylics;
(6) mixed cotton: with above-mentioned three parts of batchings respectively by hand or machine puddle evenly, up to group flower;
(7) comb and parallel cotton fibers prior to spinning becomes net
(8) acupuncture
(9) bonding
(10) cutting moulding: will be cut into certain specification by user's request with the anti-felt of the nothing that above-mentioned operation is made, and be finished product.
2. according to the described manufacture method of claim 1, it is characterized in that: it is air lay that comb and parallel cotton fibers prior to spinning becomes net: be to utilize to be blown into air flow fiber is separated from cylinder, carry into net, give main cylinder with above-mentioned three parts of batchings by the feeding roller strap of carding machine respectively, behind two pairs of working rolls and card stripper branch comb, fiber falls out along the main cylinder tangential direction that runs up, enter airflow field, fiber in airflow field owing to be subjected to the action of high-speed airflow that blows under the blower fan, drop on the convoying curtain, the convoying curtain below is a negative pressure cabin, and fiber is adsorbed on the convoying curtain, forms the uniform fibers net; So just, make three layers of fiber web.
3. according to the described manufacture method of claim 1, it is characterized in that: it is that machinery becomes net that comb and parallel cotton fibers prior to spinning becomes net: be to adopt the folded method into the net of intersection that above-mentioned three parts of batchings are made fiber web respectively, concrete steps are, every layer of fiber web fed respectively after carding machine divides comb, the fiber web of sending is the thin net of unidirectional array, with the lapping machine thin fibrous web is folded into certain thickness fiber web then.
4. according to the described manufacture method of claim 1, it is characterized in that: needle-punching method is: earlier with above-mentioned three layers of fiber web difference acupuncture one time, and then three layers of fiber web are combined with each other carry out acupuncture, with the cross section is barbedly on triangle and the seamed edge to carry out repeated localised puncture at fiber web, sting altogether 6 times, positive and negative are respectively stung three times, when being needled into fiber web, hook thorn on the pin just drives a part of fiber movement, fiber in the net is tangled mutually, thereby make fiber web obtain reinforcing, three-layer network just is bonded into one, and forms non-woven mat.
5. according to the described manufacture method of claim 1, it is characterized in that: needle-punching method is: above-mentioned three layers of fiber web are layered on the polyethylene film, the enterprising hand-manipulating of needle of film input needing machine with lapping stings again, acupuncture at first penetrates fiber web, and then penetrate film, penetrating depth of film is the 6-10 millimeter, barb on the pricker need penetrate film 7-8 millimeter, film supports fiber web effectively, by acupuncture manipulation, when pricker vertically thrust web surface, fiber rearranged, strengthen pulling force and fastness, so just make non-woven mat.
6. according to the described manufacture method of claim 1, it is characterized in that: bonding process is hot rolling, bonding: with a pair of hot pressing roller of the feeding of the non-woven mat after above-mentioned acupuncture setting machine, watertight composition contact hot-rolling with non-woven mat, last roll temperature is controlled at about 156 ℃-165 ℃, because the activation of polypropylene fibre, can combine better with other fiber, it is bonding to produce fiber, and the non-woven mat surface is more smooth, firm, good waterproof top layer of formation.
7. according to the described manufacture method of claim 1, it is characterized in that: bonding process is a hot melt adhesive: the non-woven mat after the acupuncture is sent into baking oven, be heated to 250 ℃-300 ℃ rapidly, the very fast fusing of film this moment, and infiltrated fiber net, cover on the fibroreticulate fiber, play bonding and waterproof action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117997A CN1033658C (en) | 1993-09-28 | 1993-09-28 | Non-woven warmth-retaining water-proof felt for green house of vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117997A CN1033658C (en) | 1993-09-28 | 1993-09-28 | Non-woven warmth-retaining water-proof felt for green house of vegetables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1086079A CN1086079A (en) | 1994-05-04 |
| CN1033658C true CN1033658C (en) | 1996-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93117997A Expired - Fee Related CN1033658C (en) | 1993-09-28 | 1993-09-28 | Non-woven warmth-retaining water-proof felt for green house of vegetables |
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| Country | Link |
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| CN (1) | CN1033658C (en) |
Cited By (1)
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| CN100425755C (en) * | 2002-07-15 | 2008-10-15 | 东纶科技实业有限公司 | Production process of hydro-entangled composite non-woven fabric |
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-
1993
- 1993-09-28 CN CN93117997A patent/CN1033658C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425755C (en) * | 2002-07-15 | 2008-10-15 | 东纶科技实业有限公司 | Production process of hydro-entangled composite non-woven fabric |
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| Publication number | Publication date |
|---|---|
| CN1086079A (en) | 1994-05-04 |
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