CN203096518U - Combined papermaking machine for preparing composite membranes - Google Patents
Combined papermaking machine for preparing composite membranes Download PDFInfo
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- CN203096518U CN203096518U CN 201220604292 CN201220604292U CN203096518U CN 203096518 U CN203096518 U CN 203096518U CN 201220604292 CN201220604292 CN 201220604292 CN 201220604292 U CN201220604292 U CN 201220604292U CN 203096518 U CN203096518 U CN 203096518U
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- paper machine
- fourdrinier
- composite
- paper
- composite diaphragm
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Abstract
The utility model relates to papermaking equipment, in particular to a composite papermaking machine. A combined papermaking machine for preparing composite membranes is formed by combining two fourdrinier papermaking machines, an unreeling device and a composite membrane drying and hot rolling roll device, wherein the two fourdrinier papermaking machines are used for cellulose fiber layer papermaking, the unreeling device is used for providing polymer non-woven fabrics, the fourdrinier papermaking machines and the polymer non-woven fabric unreeling device are connected with each other through a compounding device, a conveying compounding device is connected with a drying cylinder, the drying cylinder is connected with the hot rolling roll device, and the composite membranes subjected to the hot rolling treatment are rolled into a chart drum. The fourdrinier papermaking machines are adopted for making cellulose fiber tight combination layers, the non-woven fabric unreeling device is used for providing non-woven fabric unreeling device layers, and through the compounding of three layers including celluloses/ polymers/ celluloses, the composite membranes have the characteristics of high temperature resistance, high compactness, high mechanical strength and the like. Meanwhile, the equipment provided by the utility model has the characteristics that the structure is simple, and the use is convenient.
Description
Technical field
The utility model relates to a kind of combination paper machine for preparing composite diaphragm, belongs to the paper-making technology field.
Background technology
Paper technology has obtained fast development in recent years, paper making equipment is divided into cylinder mould machine, long mesh paper making machine, side net paper machine and oblique net paper machine etc., the properties of product that these paper machines obtain are different, cylinder mould machine is owing to be the hanging network access, the paper that obtains pulling force in length and breadth is bigger, is applicable to that those are to the demanding paper of longitudinal strength; Long mesh paper making machine adopts the whitewashing network access, is applicable to the requirement of high-speed paper machine; Some speciality fibers of side net paper machine reply are difficult to embark on journey and design; The moulding section of oblique net paper machine is a big cylinder, and the paper tightness of preparation reduces.Along with the technical development demand, absorbability, intensity and the functional characteristic of paper are had higher requirement, such as higher beating degree, good compactness and controlled gas permeability, and characteristics such as heat resistance.
Along with development of science and technology, demand for the composite sheet material is more and more higher, kraft capacitor paper by the technology for making paper preparation has been used for the negative electrode of electrolytic capacitor and the diaphragm material between the anode, it not only can prevent the two poles of the earth contact, and can maintain electrolyte, but the diaphragm material intensity for preparing by this mode is not high, can't satisfy the demand of high power capacity energy storage device, needs the more diaphragm material of high strength and security feature such as lithium rechargeable battery.
China authorizes patent of invention CN101324037 B to disclose a kind of combined paper making machine of electrolytic capacitor paper, fourdrinier paper machine Withstand voltage layer of manufacturing paper with pulp is adopted in this invention, with the oblique net paper machine absorbed layer of manufacturing paper with pulp, the electrolytic capacitor barrier film that preparation has high withstand voltage properties and low loss performance, but the barrier film strength ratio of this patent paper machine preparation is lower, can't satisfy the requirement of lithium battery diaphragm.
Summary of the invention
Can not satisfy high strength and high compactness and be applicable to specific (special) requirements such as lithium ion battery separator fusion closed pore in order to solve existing cellulose paper, the purpose of the present utility model provides a kind of combination paper machine for preparing composite diaphragm, can prepare the plain composite diaphragm of cellulose/polymer/fiber by this combination paper machine, this composite diaphragm has characteristics such as high temperature tolerance, compactness and high mechanical properties concurrently.Simultaneously, equipment of the present utility model has characteristics simple in structure, easy to use.
The utility model reaches goal of the invention by the following technical programs.
A kind of combination paper machine for preparing composite diaphragm, this combination paper machine is copied two fourdrinier paper machines of paper and is provided the unwinding device of non woven cloth in polymer and composite diaphragm drying device and hot roll device combine by being used for the cellulose fibre layer, fourdrinier paper machine is connected by transmitting set composite mutually with the non woven cloth in polymer unwinding device, transmitting set composite links to each other with drying cylinder, drying cylinder and hot roll device are connected, and the composite diaphragm of handling through hot roll is involved in chart drum.
As preferably, fourdrinier paper machine comprises sizing compartment, becomes net woollen blanket, l Water Paper to blot device etc.; The non woven cloth in polymer unwinding device comprises let off roll and tension adjustment roller; The two-layer l Water Paper and the nonwoven fabric that transport by two fourdrinier paper machines and the preparation of nonwoven fabric unwinding device form composite diaphragm through transmitting set composite; And through barrier film drying device and hot roll device formation composite diaphragm finished product.
The utility model adopts the fourdrinier paper machine cellulose fibre close binder of manufacturing paper with pulp, provide the non woven cloth in polymer layer with the nonwoven fabric unwinding device, by cellulose/polymer/fiber plain three layers compound after, composite diaphragm has characteristics such as high temperature tolerance, compactness and high mechanical properties concurrently.Simultaneously, equipment of the present utility model has characteristics simple in structure, easy to use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
Embodiment 1:
A kind of combination paper machine for preparing composite diaphragm as shown in Figure 1, this combination paper machine is copied first fourdrinier paper machine (1) of paper by being used for the cellulose fibre layer, second fourdrinier paper machine (2) and provide the unwinding device (3) of non woven cloth in polymer and composite diaphragm drying cylinder (4) and hot roll device (5) combine, first fourdrinier paper machine (1), second fourdrinier paper machine (2) is connected by transmitting set composite (41) mutually with non woven cloth in polymer unwinding device (3), transmitting set composite (41) links to each other with drying cylinder (4), drying cylinder (4) and hot roll device (5) are connected, and the composite diaphragm of handling through hot roll is involved in chart drum.
As shown in Figure 1, first fourdrinier paper machine (1) comprises sizing compartment (11), becomes net woollen blanket (12), l Water Paper to blot device (13); Second fourdrinier paper machine (2) comprises sizing compartment (21), becomes net woollen blanket (22), l Water Paper to blot device (23); Non woven cloth in polymer unwinding device (3) comprises let off roll (31) and tension adjustment roller (32); The l Water Paper (14), l Water Paper (24) and the nonwoven fabric (33) that transport by first fourdrinier paper machine (1), second fourdrinier paper machine (2) and nonwoven fabric unwinding device (3) preparation transmit set composite (41) formation composite diaphragm through three layers; And through barrier film drying cylinder (4) and hot roll device (5) formation composite diaphragm finished product.
Prepare battery diaphragm with above-mentioned composite diaphragm paper machine, the paper pulp of two fourdrinier paper machines adopts sisal hemp pulp, and beating degree is 65o SR, and non woven cloth in polymer adopts the polyethylene terephthalate nonwoven fabric of meltblowing method preparation, and nonwoven fabric is 8 grammes per square metres.By this paper machine the plain layer of sisal fiber being compounded in the both sides of polyethylene terephthalate nonwoven fabric respectively, is 35 microns composite diaphragm by 200 ℃ of compound preparation gross thickness of following backer roll.
After measured, composite diaphragm with the present invention's preparation reaches 60MPa to TENSILE STRENGTH in length and breadth, temperature tolerance reaches 195 ℃, and because the compound polyethylene terephthalate nonwoven cloth material of heat fusing characteristic, this composite diaphragm has the characteristic of high temperature hot melt closed pore, applicable to the lithium dynamical battery barrier film.
Embodiment 2:
Combination paper machine with embodiment 1 described preparation composite diaphragm prepares composite diaphragm, the fourdrinier paper machine of preparation composite diaphragm adopts wood pulp as raw material, beating degree is 70o SR, and non woven cloth in polymer adopts the polypropylene non-woven fabric of meltblowing method preparation, and nonwoven fabric is 10 grammes per square metres.By this paper machine the wood pulp cellulose layer being compounded in the both sides of polypropylene non-woven fabric respectively, is 40 microns composite diaphragm by 130 ℃ of compound preparation gross thickness of following pressurized heat roll.
After measured, composite diaphragm with the present invention preparation reaches 50MPa to TENSILE STRENGTH in length and breadth, and temperature tolerance reaches 165 ℃, and because the compound polypropylene non-woven fabric material of heat fusing characteristic, this composite diaphragm has the characteristic of high temperature hot melt closed pore, applicable to the lithium dynamical battery barrier film.
Claims (2)
1. combination paper machine for preparing composite diaphragm, it is characterized in that: this combination paper machine is copied first fourdrinier paper machine (1) of paper by being used for the cellulose fibre layer, second fourdrinier paper machine (2) and provide the unwinding device (3) of non woven cloth in polymer and composite diaphragm drying cylinder (4) and hot roll device (5) combine, first fourdrinier paper machine (1), second fourdrinier paper machine (2) is connected by transmitting set composite (41) mutually with non woven cloth in polymer unwinding device (3), transmitting set composite (41) links to each other with drying cylinder (4), drying cylinder (4) and hot roll device (5) are connected, and the composite diaphragm of handling through hot roll is involved in chart drum.
2. a kind of combination paper machine for preparing composite diaphragm according to claim 1 is characterized in that: first fourdrinier paper machine (1) comprises sizing compartment (11), becomes net woollen blanket (12), l Water Paper to blot device (13); Second fourdrinier paper machine (2) comprises sizing compartment (21), becomes net woollen blanket (22), l Water Paper to blot device (23); Non woven cloth in polymer unwinding device (3) comprises let off roll (31) and tension adjustment roller (32); The l Water Paper (14), l Water Paper (24) and the nonwoven fabric (33) that transport by first fourdrinier paper machine (1), second fourdrinier paper machine (2) and nonwoven fabric unwinding device (3) preparation transmit set composite (41) formation composite diaphragm through three layers; And through barrier film drying cylinder (4) and hot roll device (5) formation composite diaphragm finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604292 CN203096518U (en) | 2012-11-16 | 2012-11-16 | Combined papermaking machine for preparing composite membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604292 CN203096518U (en) | 2012-11-16 | 2012-11-16 | Combined papermaking machine for preparing composite membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096518U true CN203096518U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604292 Expired - Fee Related CN203096518U (en) | 2012-11-16 | 2012-11-16 | Combined papermaking machine for preparing composite membranes |
Country Status (1)
| Country | Link |
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| CN (1) | CN203096518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218178A (en) * | 2016-09-28 | 2016-12-14 | 东莞市联洲知识产权运营管理有限公司 | A kind of fenestrated membrane production line of many coating heads |
-
2012
- 2012-11-16 CN CN 201220604292 patent/CN203096518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218178A (en) * | 2016-09-28 | 2016-12-14 | 东莞市联洲知识产权运营管理有限公司 | A kind of fenestrated membrane production line of many coating heads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20211116 |