CN105133186B - A kind of method for realizing glass fibre core self demixing - Google Patents
A kind of method for realizing glass fibre core self demixing Download PDFInfo
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- CN105133186B CN105133186B CN201510555631.4A CN201510555631A CN105133186B CN 105133186 B CN105133186 B CN 105133186B CN 201510555631 A CN201510555631 A CN 201510555631A CN 105133186 B CN105133186 B CN 105133186B
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 10
- 239000002356 single layer Substances 0.000 claims abstract description 7
- 230000003196 chaotropic effect Effects 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000000967 suction filtration Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 33
- 238000009413 insulation Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000011490 mineral wool Substances 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
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- Laminated Bodies (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of method for realizing glass fibre core self demixing, the device of core self demixing includes V-shaped groove, strainer, negative pressure suction opeing, it is characterised in that described preparation method comprises the following steps：Among glass fibre slurry is passed into V-shaped groove, the height in V-shaped groove bottom chaotropic face is 0.5 meter 1 meter；The rotating speed of strainer is adjusted to 5 meters 25 meters per minute, three strainers are set；Negative pressure air exhauster is placed in the bottom of strainer, suction opeing is parallel with strainer, and wind speed is 3 meters 5 meters per minute；Glass fiber after suction filtration forms triplex glass fibrous paper on a moving belt, and the thickness of single-layer glass fiber paper is 0.2 millimeter 0.4 millimeter, and thermal conductivity factor can be with as little as 0.001 0.0015W/mK after vacuum heat-insulating plate is made.Core self demixing technique makes not realizing that the 0.3mm cores of volume production can be greatly improved with volume production, the performance of core originally on the premise of core performance is not changed, while adds the yield of core again, substantially increases benefit.
Description
Technical field
The present invention relates to a kind of method of core self demixing, more particularly to a kind of glass fibre core self demixing of realizing
Method.
Technical background
In recent years, energy-conserving and environment-protective turn into the most concerned problem of people, and traditional organic insulation material is inflammable perishable to be lacked
Fall into and limit its extensive use in building field, and be present the shortcomings of poor thermal insulation property, density is big in inorganic heat insulation material, have
Significant limitation.Therefore people increasingly pay attention to the making and use of heat-insulating heat-preserving material, particularly emerging, environmentally friendly to some
The research of the heat-insulating property, sound insulation value of sandwich material is more and more deep.
Vacuum heat-insulating plate is one kind of heat insulating material, and it is based on vacuum insulation principle, by improving to greatest extent
Vacuum and fill porous low thermal conductivity material in plate and realize thermal insulation, be good by heat-proof quality for its structure
Filling core and barrier film be combined, compound tense, first using barrier film as the coated porous filled core in protection top layer
Material, then protect top layer and filling core to be brought into close contact by decompression vacuum pumping, finally protection surface layer film is sealed
Sealing.The advantages such as vacuum heat-insulating plate has small volume, in light weight, thermal conductivity factor is low, at present, domestic vacuum heat-insulating plate typically makes
By the use of glass fibre as internal packing material, i.e. core material of vacuum heat insulation plate, but in the preparation process of core at this stage, from
Heart blanket of glass wool is mainly based on single-layer glass fiber.During centrifugal blast legal system cotton, glass metal will be continuous by passage
Glass stream stock is introduced at a high speed in the narrow meshed sedimentator of rotation, through centrifugal action and combustion flame drawing-off into mineral wool.Glass
Glass cotton forms unordered staggeredly interspersed shape glass fibre during decline, and descent path is tortuous, and hole is finally formed on cotton collecting machine
Gap rate is up to 70%~80% single-layer glass fiber layer, and its thermal and insulating performance and sound absorption qualities all can during use
By a certain degree of influence.
The patent of invention of Application No. 201010102777.0 discloses a kind of manufacture method of core material of vacuum heat insulation plate, the hair
It is bright to be directed to the problem of cost existing for prior art core material of vacuum heat insulation plate is high, there is provided a kind of core material of vacuum heat insulation plate making side
Method, including such as by rock wool fibers are beaten online, shaping rolling, vacuum dehumidifies and cooling is become a useful person step, the method have the advantages that adopting
With rock wool fibers, the core material of vacuum heat insulation plate produced, all performances needed to have of core material of vacuum heat insulation plate can be met, separately
Its outer simple production process, cost are relatively low.Its shortcoming is that the rock wool fibers core of production is a monoblock, is unfavorable for the valency in later stage
Lattice are made, and the fire-retardant and sound absorption qualities of core are had a certain impact in addition.
The patent of invention of Application No. 201210259340.7 discloses a kind of centrifugally glass-wool and forces decker online,
The device is fixed on the porous chain plate conveyor belt of cotton collecting machine, among adjacent centrifugal head, during centrifugal blast cotton, along conveyer belt
The glass fibre cotton-wadded quilt hierarchical control plate that spinning head is formed on the inside of the direction of motion is pressed into bottom glass cellucotton, and outside from
The mineral wool formed in mind is then pressed on bottom fiber, forms the rotary glass blanket blank of layering, thickness layering control
Air flue is additionally provided with making sheet, can be to the mineral wool of no center of gravity that descends slowly and lightly necessarily side by the air admission hole and venthole of upper and lower eaves both sides
To, a certain size wind-force, the utilization rate of centrifugally glass-wool is improved.The advantages of present apparatus be can be achieved mineral wool it is online from
Dynamic layering, improves the problem of blanket of glass wool is adiabatic, sound absorption qualities are not excellent enough obtained by manual zoning, the centrifugation glass being layered
Glass fiber blanket.Its shortcoming is the volume production that this method can not realize 0.3mm cores, has certain limitation.
Two patents as described above, the thickness of existing glass fibre core have certain limitation, be partly integral into
It is processed after type, the thickness of another part can't realize the volume production of 0.3mm cores, it is therefore desirable to a kind of in 1.0mm or so
The method of new core self demixing is existing to solve the problems, such as.
The content of the invention
The purpose of the present invention is intended to overcome the deficiencies in the prior art, there is provided it is a kind of more efficiently, more simple realization
The method of glass fibre core self demixing.
Technical scheme is used by realize the purpose of the present invention：A kind of side for realizing glass fibre core self demixing
Method, the device of core self demixing include V-shaped groove, strainer, negative pressure suction opeing, and V-shaped groove is made of fiberglass, it is characterised in that：
Described preparation method includes the following steps carried out in order：
(1) among well mixed glass fibre slurry being passed into V-shaped groove by charging aperture, V-shaped groove left upper end is with entering
Material mouth connects, upper right side and strainer slitless connection, and the height in V-shaped groove bottom chaotropic face is 0.5 meter -1 meter, glass fiber it is straight
Footpath is 1 micron -4 microns, and length is 5 millimeters -30 millimeters；
(2) rotating speed of strainer is adjusted to 5 meters -25 meters per minute, and three strainers are set, and first strainer is located at V-shaped groove
Bottom, height of the Article 2 strainer apart from V-shaped groove bottom is 0.25 meter -0.5 meter, height of the Article 3 strainer apart from V-shaped groove bottom
Spend for 0.5 meter -1 meter；
(3) negative pressure air exhauster is placed in the bottom of strainer, a width of 1 centimetre -2 centimetres of the suction opeing of every air exhauster is a length of
50 centimetres -150 centimetres, suction opeing is apart from 2 centimetres -10 centimetres of strainer, and suction opeing is parallel with strainer, and wind speed is 3 meter -5 per minute
Rice；
(4) glass fiber after filtering forms triplex glass fibrous paper on a moving belt, single-layer glass fiber paper
Thickness is 0.2 millimeter -0.4 millimeter, and thermal conductivity factor can be with as little as 0.001-0.0015W/mK after vacuum heat-insulating plate is made.
The beneficial effects of the invention are as follows：Core self demixing technique makes on the premise of core performance is not changed originally can not be real
The 0.3mm cores of existing volume production can be with volume production, and the heat conduction system of vacuum heat-insulating plate is substantially in 2.2mw/ originally made of 1.0mm cores
Mk, nowadays the performance of core be greatly improved, thermal conductivity factor can reach 1.5mW/mK, while add again
The yield of core, substantially increases benefit.
Brief description of the drawings
Fig. 1 is the device for realizing glass fibre core self demixing.
10,20,30 be suction opeing in figure, and 40,50,60,70 be strainer, and 80 be V-shaped groove, and 90 be liquid level.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention
The modification of form falls within the application appended claims and limited.
Embodiment 1
Reference picture 1, a kind of method for realizing glass fibre core self demixing, 10,20,30 be suction opeing, 40,50,60,
4070 be strainer, and 80 be V-shaped groove, and 90 be liquid level, and the device of core self demixing includes V-shaped groove, strainer, negative pressure suction opeing, and it is special
Sign is：Described preparation method includes the following steps carried out in order：
(1) among well mixed glass fibre slurry being passed into V-shaped groove by charging aperture, V-shaped groove left upper end is with entering
Material mouth connects, upper right side and strainer slitless connection, and the height in V-shaped groove bottom chaotropic face is 0.5 meter, glass fiber it is a diameter of
4 microns, length is 30 millimeters；
(2) rotating speed of strainer is adjusted to 5 meters per minute, and three strainers are set, first strainer is located at the bottom of V-shaped groove,
Height of the Article 2 strainer apart from V-shaped groove bottom is 0.25 meter, and height of the Article 3 strainer apart from V-shaped groove bottom is 0.5 meter；
(3) strainer bottom place negative pressure air exhauster, a width of 2 centimetres of the suction opeing of every air exhauster, a length of 50 centimetres,
Suction opeing is apart from 10 centimetres of strainer, and suction opeing is parallel with strainer, and wind speed is 3 meters per minute；
(4) glass fiber after filtering forms triplex glass fibrous paper on a moving belt, single-layer glass fiber paper
Thickness is 0.4 millimeter, and thermal conductivity factor can be with as little as 0.0015W/mK after vacuum heat-insulating plate is made.
Embodiment 2
Reference picture 1, a kind of method for realizing glass fibre core self demixing, 10,20,30 be suction opeing, 40,50,60,70
It is V-shaped groove for strainer, 80,90 be liquid level, and the device of core self demixing includes V-shaped groove, strainer, negative pressure suction opeing, and its feature exists
In：Described preparation method includes the following steps carried out in order：
(1) among well mixed glass fibre slurry being passed into V-shaped groove by charging aperture, V-shaped groove left upper end is with entering
Material mouth connects, upper right side and strainer slitless connection, and the height in V-shaped groove bottom chaotropic face is 1 meter, and a diameter of the 1 of glass fiber
Micron, length are 5 millimeters；
(2) rotating speed of strainer is adjusted to 5 meters per minute, and three strainers are set, first strainer is located at the bottom of V-shaped groove,
Height of the Article 2 strainer apart from V-shaped groove bottom is 0.5 meter, and height of the Article 3 strainer apart from V-shaped groove bottom is 1 meter；
(3) negative pressure air exhauster, a width of 2 centimetres, a length of 150 lis of the suction opeing of every air exhauster are placed in the bottom of strainer
Rice, suction opeing is apart from 2 centimetres of strainer, and suction opeing is parallel with strainer, and wind speed is 5 meters per minute；
(4) glass fiber after filtering forms triplex glass fibrous paper on a moving belt, single-layer glass fiber paper
Thickness is 0.2 millimeter, and thermal conductivity factor can be with as little as 0.001W/mK after vacuum heat-insulating plate is made.
Two embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits
The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is
Any type of letter made without departing from the content of technical solution of the present invention, the technical spirit according to the present invention to above example
Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (1)
1. a kind of method for realizing glass fibre core self demixing, the device of core self demixing includes V-shaped groove, strainer, negative pressure and taken out
Air port, it is characterised in that：Described method includes the following steps carried out in order：
(1) among well mixed glass fibre slurry being passed into V-shaped groove by charging aperture, V-shaped groove left upper end and charging aperture
Connect, upper right side and strainer slitless connection, the height in V-shaped groove bottom chaotropic face is 0.5 meter -1 meter, glass fiber it is a diameter of
1 micron -4 microns, length is 5 millimeters -30 millimeters；
(2) rotating speed of strainer is adjusted to 5 meters -25 meters per minute, and three strainers are set, first strainer is located at the bottom of V-shaped groove,
Height of the Article 2 strainer apart from V-shaped groove bottom is 0.25 meter -0.5 meter, and height of the Article 3 strainer apart from V-shaped groove bottom is
0.5 meter -1 meter；
(3) negative pressure air exhauster, a width of 1 centimetre -2 centimetres, a length of 50 lis of the suction opeing of every air exhauster are placed in the bottom of strainer
- 150 centimetres of rice, suction opeing is apart from 2 centimetres -10 centimetres of strainer, and suction opeing is parallel with strainer, and wind speed is 3 meters -5 meters per minute；
(4) glass fiber after filtering forms triplex glass fibrous paper, the thickness of single-layer glass fiber paper on a moving belt
For 0.2 millimeter -0.4 millimeter, thermal conductivity factor as little as 0.001-0.0015W/mK after vacuum heat-insulating plate is made.
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| CN201510555631.4A CN105133186B (en) | 2015-08-31 | 2015-08-31 | A kind of method for realizing glass fibre core self demixing |
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| CN105133186B true CN105133186B (en) | 2018-01-05 |
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| US5129988A (en) * | 1991-06-21 | 1992-07-14 | Kimberly-Clark Corporation | Extended flexible headbox slice with parallel flexible lip extensions and extended internal dividers |
| US5494554A (en) * | 1993-03-02 | 1996-02-27 | Kimberly-Clark Corporation | Method for making soft layered tissues |
| US6277241B1 (en) * | 1997-11-14 | 2001-08-21 | Kimberly-Clark Worldwide, Inc. | Liquid absorbent base web |
| CN103196007B (en) * | 2013-04-03 | 2015-10-21 | 常州山由帝奥绝缘材料制造有限公司 | Core material of vacuum heat insulation plate and preparation method thereof |
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Effective date of registration: 20221017 Address after: No. 8, Sifu Industrial Park, Baidian Town, Hai'an, Nantong, Jiangsu 226600 Patentee after: NANTONG YUAN SHUN FIBER CO.,LTD. Address before: Yudaojie Nanjing 210016 Jiangsu province No. 29 Patentee before: Nanjing University of Aeronautics and Astronautics |