CN101793340A - Vacuum insulated panel core material and manufacturing method thereof - Google Patents
Vacuum insulated panel core material and manufacturing method thereof Download PDFInfo
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- CN101793340A CN101793340A CN 201010139691 CN201010139691A CN101793340A CN 101793340 A CN101793340 A CN 101793340A CN 201010139691 CN201010139691 CN 201010139691 CN 201010139691 A CN201010139691 A CN 201010139691A CN 101793340 A CN101793340 A CN 101793340A
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Abstract
The invention discloses a vacuum insulated panel core material, which comprises the following raw materials in parts by weight: 48 parts of mineral wool, 45 parts of glass fiber wool 27-30 degree SR and 35 parts of glass fiber wool 18 degree SR. The diameter of the fiber of the mineral wool is 4-6 mum, the length is 1.0-4.0mm and the water content is 20 percent. The manufacturing method of the vacuum insulated panel core material comprises the following steps: pumping of glass fiber wool, pulping of mineral wool, dilution and slag removal, regulation of acidity, slag removal and making, drying and cutting. Since the mineral wool is used, the manufacturing cost of the core material is greatly reduced and the insulation performance is improved to certain extent when the vacuum insulated panel core material is compared with pure glass fiber wool core material and other conventional core material.
Description
Technical field
The present invention relates to thermoinsulation material and manufacture method thereof, particularly a kind of core material of vacuum heat insulation plate and manufacture method thereof.
Background technique
Vacuum heat-insulating plate is widely used in the refrigerating equipments such as refrigerator, refrigerator-freezer it being arranged in the interlayer of equipment outer wall, to reduce thermal loss, cuts down the consumption of energy, and the adiabaticity of vacuum heat-insulating plate depends primarily on the thermal conductivity of its core.
At present, generally the vacuum heat-insulating plate of Cai Yonging mainly is to adopt the glass fibre etc. of polymerization organic fiber, centrifugal cotton and glass fibre cotton, injection organic bond as core, the manufacture cost of polymerization organic fiber core, centrifugal cotton and glass fibre cotton core is lower, but its heat-insulating property can not reach desirable effect; Pure glass fibre core insulation effect is preferable, but its manufacture cost is higher.
At above-mentioned deficiency, need to explore a kind of low cost of manufacture, and the core material of vacuum heat insulation plate with good thermo-insulation properties.
Summary of the invention
In view of this, the invention provides a kind of core material of vacuum heat insulation plate and manufacture method thereof, this core material of vacuum heat insulation plate has good insulation effect, and its low cost of manufacture, is fit to industrialization production.
Core material of vacuum heat insulation plate of the present invention, comprise following raw material by weight: 48 parts of mineral cottons, 45 parts of glass fibre cotton 27-31 ° SR, 18 ° of SR of 35 parts of glass fibre cottons, the fiber diameter of described mineral cotton is 4～6 μ m, and length is 1.0～4.0mm, and moisture content is 20%.
Further, described mineral cotton is rock wool and/or slag wool.
Two of purpose of the present invention provides a kind of method of making core material of vacuum heat insulation plate, may further comprise the steps:
A) glass fibre cotton slurrying: glass fibre cotton 27-31 ° SR and 18 ° of SR of glass fibre cotton are disperseed slurrying by the described proportioning adding of claim 1 beater I, regulate the pH value to 3.5 of slurries, beater I rotating speed is controlled to be 980r/min, and jitter time is 26 minutes;
B) mineral cotton slurrying: mineral cotton is added beater II by the described proportioning of claim 1 disperse slurrying, beater II rotating speed is controlled to be 980r/min, and jitter time is 2 minutes, and disperseing concentration is 4.8%;
C) dilution slagging-off: the slurries that step a is made are delivered in the storage pool and it are diluted to that to disperse concentration be 1.2%, are delivered to leading pond then after the slagging-off of one-level scummer;
D) acidity adjustment: the slurries that step b is made directly are delivered to leading pond to be mixed with the glass fibre cotton slurries, and regulates pH value to 2.8～3.0 of mixed serum;
E) slagging-off is manufactured paper with pulp: the mixed serum that steps d is made is delivered to 60 purpose polyester forming nets and manufactures paper with pulp after the slagging-off of secondary scummer, and the gains of will manufacturing paper with pulp carry out vacuum draw and dewater and squeeze and make the core semi-finished product;
F) drying: the core semi-finished product that step e is made place in 220 ℃ the drying room and carry out drying;
G) cut: dried core semi-finished product are divided cut into the core finished product.
Further, further comprising the steps of: the plain boiled water that recycling step e is produced, for using with step a, c, d.
The beneficial effect of the invention: core material of vacuum heat insulation plate of the present invention, comprise following raw material by weight: 48 parts of mineral cottons, 45 parts of glass fibre cotton 27-31 ° SR, 18 ° of SR of 35 parts of glass fibre cottons, the fiber diameter of described mineral cotton is 4～6 μ m, length is 1.0～4.0mm, moisture content is 20%, can pass through step: glass fibre cotton slurrying → mineral cotton slurrying → dilution slagging-off → acidity adjustment → slagging-off manufactures paper with pulp → dry → cut and make this vacuum insulation core, because materials have used mineral cotton, can reduce the manufacture cost 30%～40% of core, simultaneously, the pure relatively glass fibre cotton core of its adiabaticity also can obtain raising to a certain degree.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Accompanying drawing is a process flow diagram of the present invention.
Embodiment
Embodiment 1
The core material of vacuum heat insulation plate of present embodiment comprises following raw material: 48Kg mineral cotton, 27 ° of SR of 45Kg glass fibre cotton, 18 ° of SR of 35Kg glass fibre cotton, herein " ° SR " is meant beating degree, also be called beating degree, the reflection slurry behind pulping machine, the effect of defibrination effects such as fiber is cut off, division, swollen and aquation.Described mineral cotton is rock wool and/or slag wool, after natural rock or metallurgical slag melted in equipment such as cupola or tank furnace, with blowing process or the centrifugal fiber diameter of producing is 4～6 μ m, length is 1.0～4.0mm, moisture content is 20% mineral cotton, cost of material is cheap, helps reducing production costs.
Accompanying drawing is a process flow diagram of the present invention, and as shown in the figure: the method for the manufacturing core material of vacuum heat insulation plate of present embodiment may further comprise the steps:
A) glass fibre cotton slurrying: 27 ° of SR of 45Kg glass fibre cotton and 18 ° of SR of 35Kg glass fibre cotton are added beater I, add plain boiled water simultaneously and disperse slurrying, regulate the pH value to 3.5 of slurries, beater I rotating speed is controlled to be 980r/min, jitter time is 26 minutes, the above-mentioned plain boiled water workshop section's waste water of promptly manufacturing paper with pulp, and plain boiled water mainly contains fiber fines, filler, coating and lysed timber composition, and the sizing material that adds, Wet Strength Resin, preservative etc., biodegradability is lower.
B) mineral cotton slurrying: the 48Kg mineral cotton is added beater II disperse slurrying, beater II rotating speed is controlled to be 980r/min, and jitter time is 2 minutes, and disperseing concentration is 4.8%;
C) dilution slagging-off: the slurries that step a is made are delivered in the storage pool, adding plain boiled water dilutes it, being diluted to dispersion concentration is 1.2%, after the slagging-off of one-level scummer, be delivered to leading pond then, owing to contain not Fibrotic glass slag in the glass fibre cotton, need to remove through the one-level scummer, the effect of scummer is exactly to remove heavy material, wherein be mainly glass slag and impurity, the glass slag is present in the thermal conductivity that can increase core in the core, is difficult for the degree of vacuum that reaches desirable simultaneously in back processing vacuum;
D) acidity adjustment: the slurries that step b is made directly are delivered to leading pond to be mixed with the glass fibre cotton slurries, adds plain boiled water, and regulates the pH value to 3.0 of mixed serum;
E) slagging-off is manufactured paper with pulp: the mixed serum that steps d is made is delivered to 60 purpose polyester forming nets and manufactures paper with pulp after the slagging-off of secondary scummer, and the gains of will manufacturing paper with pulp carry out vacuum draw and dewater and squeeze and make the core semi-finished product;
F) drying: the core semi-finished product that step e is made place in 220 ℃ the drying room and carry out drying;
G) cut: divide the core that cuts into different size and model finished product dried core semi-finished product.
In the present embodiment, the plain boiled water that step e is produced reclaims, and for using with step a, c, d, waste water is recycled, and reaches the purpose of environmental protection and energy saving.
Core material of vacuum heat insulation plate through the said method manufacturing is carried out sampling inspection, records its thermal conductivity, and with the contrast of the thermal conductivity sampling Detection value of other cores, comparing result such as following table:
| Title | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| The glass fibre cotton core | ??0.019 | ??0.018 | ??0.015 | ??0.017 | ??0.018 | ??0.017 |
| The centrifugal cotton core material of glass fibre | ??0.045 | ??0.047 | ??0.043 | ??0.045 | ??0.046 | ??0.043 |
| The polyurethane core | ??0.052 | ??0.048 | ??0.051 | ??0.049 | ??0.051 | ??0.050 |
| Mineral cotton and glass fibre cotton core | ??0.016 | ??0.016 | ??0.015 | ??0.017 | ??0.017 | ??0.016 |
Embodiment 2
The core material of vacuum heat insulation plate raw material of present embodiment changes " the 27 ° of SR of 45Kg glass fibre cotton " among the embodiment 1 into " 29 ° of SR of 45Kg glass fibre cotton ", all the other are all identical with embodiment 1, adopt embodiment 1 manufacture method, steps d is adjusted to 2.9 with the pH value of mixed serum, make core material of vacuum heat insulation plate, the line sampling of going forward side by side check records its thermal conductivity, and with the contrast of the thermal conductivity sampling Detection value of other cores, comparing result such as following table:
| Title | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| The glass fibre cotton core | ??0.019 | ??0.018 | ??0.015 | ??0.017 | ??0.018 | ??0.017 |
| The centrifugal cotton core material of glass fibre | ??0.045 | ??0.047 | ??0.043 | ??0.045 | ??0.046 | ??0.043 |
| The polyurethane core | ??0.052 | ??0.048 | ??0.051 | ??0.049 | ??0.051 | ??0.050 |
| Mineral cotton and glass fibre cotton core | ??0.015 | ??0.016 | ??0.015 | ??0.016 | ??0.016 | ??0.016 |
Embodiment 3
The core material of vacuum heat insulation plate raw material of present embodiment changes " the 31 ° of SR of 45Kg glass fibre cotton " among the embodiment 1 into " 29 ° of SR of 45Kg glass fibre cotton ", all the other are all identical with embodiment 1, adopt embodiment 1 manufacture method, steps d is adjusted to 2.8 with the pH value of mixed serum, make core material of vacuum heat insulation plate, the line sampling of going forward side by side check records its thermal conductivity, and with the contrast of the thermal conductivity sampling Detection value of other cores, comparing result such as following table:
| Title | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| The glass fibre cotton core | ??0.019 | ??0.018 | ??0.015 | ??0.017 | ??0.018 | ??0.017 |
| The centrifugal cotton core material of glass fibre | ??0.045 | ??0.047 | ??0.043 | ??0.045 | ??0.046 | ??0.043 |
| The polyurethane core | ??0.052 | ??0.048 | ??0.051 | ??0.049 | ??0.051 | ??0.050 |
| Mineral cotton and glass fibre cotton core | ??0.016 | ??0.016 | ??0.015 | ??0.016 | ??0.017 | ??0.016 |
Can learn that from embodiment 1～3 thermal conductivity of mineral cotton and glass fibre cotton core also is lower than other heat insulation core material simultaneously a little less than pure glass fibre cotton.From the angle of cost of production, also the cost than pure glass fibre cotton is low for the manufacture cost of the synthetic core of mineral cotton and glass fibre cotton.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although joining 5 photograph preferred embodiments has been described in detail the present invention, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. core material of vacuum heat insulation plate, it is characterized in that: comprise following raw material by weight: 48 parts of mineral cottons, 45 parts of glass fibre cotton 27-31 ° SR, 18 ° of SR of 35 parts of glass fibre cottons, the fiber diameter of described mineral cotton is 4～6 μ m, and length is 1.0～4.0mm, and moisture content is 20%.
2. core material of vacuum heat insulation plate according to claim 1 is characterized in that: described mineral cotton is rock wool and/or slag wool.
3. make the method for the described core material of vacuum heat insulation plate of claim 1, it is characterized in that: may further comprise the steps:
A) glass fibre cotton slurrying: glass fibre cotton 27-31 ° SR and 18 ° of SR of glass fibre cotton are disperseed slurrying by the described proportioning adding of claim 1 beater I, regulate the pH value to 3.5 of slurries, beater I rotating speed is controlled to be 980r/min, and jitter time is 26 minutes;
B) mineral cotton slurrying: mineral cotton is added beater II by the described proportioning of claim 1 disperse slurrying, beater II rotating speed is controlled to be 980r/min, and jitter time is 2 minutes, and disperseing concentration is 4.8%;
C) dilution slagging-off: the slurries that step a is made are delivered in the storage pool and it are diluted to that to disperse concentration be 1.2%, are delivered to leading pond then after the slagging-off of one-level scummer;
D) acidity adjustment: the slurries that step b is made directly are delivered to leading pond to be mixed with the glass fibre cotton slurries, and regulates pH value to 2.8～3.0 of mixed serum;
E) slagging-off is manufactured paper with pulp: the mixed serum that steps d is made is delivered to 60 purpose polyester forming nets and manufactures paper with pulp after the slagging-off of secondary scummer, and the gains of will manufacturing paper with pulp carry out vacuum draw and dewater and squeeze and make the core semi-finished product;
F) drying: the core semi-finished product that step e is made place in 220 ℃ the drying room and carry out drying;
G) cut: dried core semi-finished product are divided cut into the core finished product.
4. the manufacture method of core material of vacuum heat insulation plate according to claim 3 is characterized in that: further comprising the steps of: the plain boiled water that recycling step e is produced, and for using with step a, c, d.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101396915A CN101793340B (en) | 2010-04-06 | 2010-04-06 | Vacuum insulated panel core material and manufacturing method thereof |
| US12/947,515 US20110244167A1 (en) | 2010-04-06 | 2010-11-16 | Thermal insulation core material and vacuum insulation panel and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101396915A CN101793340B (en) | 2010-04-06 | 2010-04-06 | Vacuum insulated panel core material and manufacturing method thereof |
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| CN101793340A true CN101793340A (en) | 2010-08-04 |
| CN101793340B CN101793340B (en) | 2012-02-08 |
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| CN2010101396915A Active CN101793340B (en) | 2010-04-06 | 2010-04-06 | Vacuum insulated panel core material and manufacturing method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331157A (en) * | 2011-06-22 | 2012-01-25 | 苏州维艾普新材料有限公司 | Drying method of glass wool core material |
| CN102330871A (en) * | 2011-07-13 | 2012-01-25 | 苏州维艾普新材料有限公司 | Vacuum heat insulation plate core material and manufacturing method thereof |
| CN102503329A (en) * | 2011-10-13 | 2012-06-20 | 林学华 | Fire-proof, heat-insulating and moisture-proof building decorative panel made from slag rock wool |
| CN102635171A (en) * | 2012-05-05 | 2012-08-15 | 陈宏宇 | Preparation method of integral-type vacuum heat insulation and temperature preservation plate |
| CN102942305A (en) * | 2012-11-22 | 2013-02-27 | 重庆再升科技股份有限公司 | Novel method for preparing mineral wool Vacuum Insulation Panel (VIP) core material |
| WO2013026247A1 (en) * | 2011-08-22 | 2013-02-28 | 福建赛特新材股份有限公司 | Glass fiber chopped strand mat, preparation method, and core material for vacuum heat insulating plate |
| CN103277631A (en) * | 2013-05-31 | 2013-09-04 | 重庆再升科技股份有限公司 | Glass-fiber vacuum insulation panel nano core material and preparation method thereof |
| CN103836306A (en) * | 2014-03-21 | 2014-06-04 | 茌平县恒康保温材料有限公司 | Glass fiber ultra-low temperature thermal insulation material production technology |
| CN105423069A (en) * | 2015-12-18 | 2016-03-23 | 滁州银兴新材料科技有限公司 | Preparation method of low-cost vacuum insulation panel |
| CN105570619A (en) * | 2015-12-18 | 2016-05-11 | 滁州银兴新材料科技有限公司 | Method for manufacturing vacuum insulation board core material with low cost |
| CN106884356A (en) * | 2017-02-15 | 2017-06-23 | 合肥华凌股份有限公司 | Core manufacture method, core and vacuum heat-insulating plate |
| CN107606396A (en) * | 2017-09-11 | 2018-01-19 | 福建农林大学 | A kind of core material of vacuum heat insulation plate, vacuum heat-insulating plate and preparation method thereof |
| CN107698272A (en) * | 2017-11-03 | 2018-02-16 | 辽宁科途环保节能材料有限公司 | A kind of vacuum heat-insulating plate composite core material and preparation method thereof |
| CN110220074A (en) * | 2019-06-14 | 2019-09-10 | 山东信泰节能科技股份有限公司 | The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material |
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| CN1511808A (en) * | 2002-12-30 | 2004-07-14 | 北京市建筑材料科学研究院 | Composite material thermal insulation plate |
| JP2005305854A (en) * | 2004-04-22 | 2005-11-04 | Toyo Chemical Kk | Fiber mat |
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| WO2007041821A1 (en) * | 2005-10-07 | 2007-04-19 | Graham Clifford Garner | Vacuum heat insulator, and refrigerator, car, and building using vacuum heat insulator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2004035955A1 (en) * | 2002-10-17 | 2004-04-29 | Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg | Insulation element |
| CN1511808A (en) * | 2002-12-30 | 2004-07-14 | 北京市建筑材料科学研究院 | Composite material thermal insulation plate |
| JP2005305854A (en) * | 2004-04-22 | 2005-11-04 | Toyo Chemical Kk | Fiber mat |
| CN2828520Y (en) * | 2004-08-30 | 2006-10-18 | 海尔集团公司 | Vacuum adiabatic plate |
| WO2007041821A1 (en) * | 2005-10-07 | 2007-04-19 | Graham Clifford Garner | Vacuum heat insulator, and refrigerator, car, and building using vacuum heat insulator |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331157A (en) * | 2011-06-22 | 2012-01-25 | 苏州维艾普新材料有限公司 | Drying method of glass wool core material |
| CN102330871A (en) * | 2011-07-13 | 2012-01-25 | 苏州维艾普新材料有限公司 | Vacuum heat insulation plate core material and manufacturing method thereof |
| CN102953230B (en) * | 2011-08-22 | 2016-09-07 | 福建赛特新材股份有限公司 | A kind of glass chopped strand mats, preparation method and the core for vacuum heat-insulating plate |
| WO2013026247A1 (en) * | 2011-08-22 | 2013-02-28 | 福建赛特新材股份有限公司 | Glass fiber chopped strand mat, preparation method, and core material for vacuum heat insulating plate |
| CN102953230A (en) * | 2011-08-22 | 2013-03-06 | 福建赛特新材股份有限公司 | Glass fiber chopped strand mat, production method and core material for vacuum heat-insulation boards |
| CN102503329B (en) * | 2011-10-13 | 2013-12-04 | 林学华 | Fire-proof, heat-insulating and moisture-proof building decorative panel made from slag rock wool |
| CN102503329A (en) * | 2011-10-13 | 2012-06-20 | 林学华 | Fire-proof, heat-insulating and moisture-proof building decorative panel made from slag rock wool |
| CN102635171B (en) * | 2012-05-05 | 2014-06-18 | 陈宏宇 | Preparation method of integral-type vacuum heat insulation and temperature preservation plate |
| CN102635171A (en) * | 2012-05-05 | 2012-08-15 | 陈宏宇 | Preparation method of integral-type vacuum heat insulation and temperature preservation plate |
| CN102942305A (en) * | 2012-11-22 | 2013-02-27 | 重庆再升科技股份有限公司 | Novel method for preparing mineral wool Vacuum Insulation Panel (VIP) core material |
| CN102942305B (en) * | 2012-11-22 | 2015-09-02 | 重庆再升科技股份有限公司 | The preparation method of mineral wool core material of vacuum heat insulation plate |
| CN103277631B (en) * | 2013-05-31 | 2015-11-11 | 重庆再升科技股份有限公司 | A kind of glass-fiber vacuum insulation panel nano core material and preparation method thereof |
| CN103277631A (en) * | 2013-05-31 | 2013-09-04 | 重庆再升科技股份有限公司 | Glass-fiber vacuum insulation panel nano core material and preparation method thereof |
| CN103836306B (en) * | 2014-03-21 | 2016-06-22 | 山东展腾节能新材料科技有限公司 | Glass fibre ultralow temperature heat-barrier material production technology |
| CN103836306A (en) * | 2014-03-21 | 2014-06-04 | 茌平县恒康保温材料有限公司 | Glass fiber ultra-low temperature thermal insulation material production technology |
| CN105570619A (en) * | 2015-12-18 | 2016-05-11 | 滁州银兴新材料科技有限公司 | Method for manufacturing vacuum insulation board core material with low cost |
| CN105423069A (en) * | 2015-12-18 | 2016-03-23 | 滁州银兴新材料科技有限公司 | Preparation method of low-cost vacuum insulation panel |
| CN106884356A (en) * | 2017-02-15 | 2017-06-23 | 合肥华凌股份有限公司 | Core manufacture method, core and vacuum heat-insulating plate |
| CN107606396A (en) * | 2017-09-11 | 2018-01-19 | 福建农林大学 | A kind of core material of vacuum heat insulation plate, vacuum heat-insulating plate and preparation method thereof |
| CN107606396B (en) * | 2017-09-11 | 2019-07-05 | 福建农林大学 | A kind of core material of vacuum heat insulation plate, vacuum heat-insulating plate and preparation method thereof |
| CN107698272A (en) * | 2017-11-03 | 2018-02-16 | 辽宁科途环保节能材料有限公司 | A kind of vacuum heat-insulating plate composite core material and preparation method thereof |
| CN110220074A (en) * | 2019-06-14 | 2019-09-10 | 山东信泰节能科技股份有限公司 | The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material |
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