CN105423069A - Preparation method of low-cost vacuum insulation panel - Google Patents
Preparation method of low-cost vacuum insulation panel Download PDFInfo
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- CN105423069A CN105423069A CN201510968016.6A CN201510968016A CN105423069A CN 105423069 A CN105423069 A CN 105423069A CN 201510968016 A CN201510968016 A CN 201510968016A CN 105423069 A CN105423069 A CN 105423069A
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- core
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- insulating plate
- cotton
- low cost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a preparation method of a low-cost vacuum insulation panel. The preparation method comprises the following steps: step (1) selecting one of a three-layer membrane material and a fourth-layer membrane material; preparing a protective membrane bag which can be sealed from three sides according to a required size; step (2) selecting a core material, wherein SR centrifugal cotton and mineral cotton with an angle of 10 to 15 degrees are mainly adopted, a stir-molding technique is adopted, and the performance of the core material prepared without changing the fiber state of the raw cotton is not lower than that of a core material used by a general vacuum insulation panel; step (3) putting the core material which is prepared in the required size in the step (2) in drying equipment for water treatment; step (4) adding a gas removing agent into the core material obtained in the step (3), and packing into the protective membrane bag prepared in the step (1); step (5) vacuumizing the product obtained in the step (4) and performing thermal sealing treatment to obtain the required low-cost vacuum insulation panel. The low-cost VIP (vacuum insulation panel) prepared by the method disclosed by the invention is not poorer in performance than a traditional VIP; the cost of the VIP is 1/2 or even 1/3 of that of the traditional VIP; the existing production technique needs not to be greatly regulated; the preparation method is simple to operate and convenient to popularize.
Description
Technical field:
The present invention relates to vacuum heat-insulating plate preparation field, particularly relate to a kind of low cost vacuum heat-insulating plate preparation method.
Background technique:
Vacuum heat-insulating plate; it is the one in vacuum thermal insulating material; be composited by filling core and vacuum protection top layer; the heat trnasfer that it avoids cross-ventilation to cause effectively; therefore thermal conductivity can significantly reduce; and not containing any ODS material, having environmental protection and energy-efficient characteristic, is current state-of-the-art thermal insulation material in the world.
High-resistant diaphragm: high-resistant diaphragm is that material very strong for barrier properties for gases and the heat property sewed up, polyolefin that moisture barrier is very strong are carried out extruding forming simultaneously, and being the film of multi-layer structure, is the vacuum protection layer of vacuum heat-insulating plate.
Core: the Main Function one of core is the support frame as vacuum heat-insulating plate, two is that core itself has certain thermal resistance, also can play certain heat insulation effect.The quality of core determines the working life of warming plate to a certain extent.
Vacuum heat-insulating plate, with the performance of its excellence, is promoted the use of in each field gradually, but is limited to its fancy price, is difficult to large-scale promotion always.
Summary of the invention:
Technical problem to be solved by this invention is the defect overcoming prior art, under providing a kind of prerequisite not reducing core performance, reduces the low cost vacuum heat-insulating plate preparation method of the manufacture cost of core.
Technical problem to be solved by this invention realizes by the following technical solutions.
A kind of low cost vacuum heat-insulating plate preparation method, is characterized in that: comprise the following steps:
1) choose the one in three layers or four tunic materials, size makes the protective film bag of three bandings on request;
2) choose core, mainly adopt 10 ~ 15 ° of SR centrifugal cotton, mineral fibers, adopt and stir forming technique, in the fiber condition situation not changing raw cotton, the core performance of making is not less than conventional vacuum thermal shield core used on market;
3) put into drying plant after step 2 core being made required size and carry out moisture solution;
Described drying plant is tunnel type drying line or closed baking oven, and described drying condition is bake out temperature 150 DEG C ~ 300 DEG C, drying time 0 ~ 30min;
4), after core described in step 3 being added getter, load in the protective film bag described in step 1;
5) product described in step 4 is carried out vacuumizing heat-seal process, obtain required low cost vacuum heat-insulating plate.
Four described film structure, mainly use BOPP/VMPET/AL/PE; Trilamellar membrane structure, mainly uses VMPET/AL/PE, VMNY/AL/PE or NY/AL/PE; Use glue compound.
The concrete preparation method of described core is: weigh in ° SR centrifugal cotton water of 1000 ~ 5000g10 ° of SR ~ 15, after soaking 5 ~ 30min, and mechanical stirring at low speed, described centrifugal cotton diameter is 1 ~ 10 μm, described stirring at low speed speed is 10 ~ 50rpm/s, and mixing time is 1 ~ 10min, obtains A;
Weigh 0 ~ 2000g stone ore cotton, after soaking 5 ~ 30min, mechanical stirring at low speed, obtains B;
A and B is adjusted to pulp storage tank, be adjusted to after mixing flow box shaping, dry, obtain described core.
Described getter is calcium oxide.
Beneficial effect of the present invention:
1, low cost VIP performance of the present invention is not less than traditional VIP;
2, low cost VIP price of the present invention is 1/2 even 1/3 of traditional VIP;
3, the present invention does not need to carry out Important Adjustment to existing production technology, simple to operate, is convenient to promote;
4, low cost VIP of the present invention will be more suitable for traditional cold insulation industry, compare original thermal insulating material, when price is suitable, improve heat insulation effect more than 7 times.
Embodiment:
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1: a kind of low cost vacuum heat-insulating plate preparation method, comprises the following steps:
1) choose trilamellar membrane material, size makes the protective film bag of three bandings on request;
2) choose core, mainly adopt 10 ~ 15 ° of SR centrifugal cotton, mineral fibers, adopt and stir forming technique, in the fiber condition situation not changing raw cotton, the core performance of making is not less than conventional vacuum thermal shield core used on market;
3) put into drying plant after step 2 core being made required size and carry out moisture solution;
Described drying plant is tunnel type drying line or closed baking oven, and described drying condition is bake out temperature 150 DEG C ~ 300 DEG C, drying time 0 ~ 30min;
4), after core described in step 3 being added getter, load in the protective film bag described in step 1;
5) product described in step 4 is carried out vacuumizing heat-seal process, obtain required low cost vacuum heat-insulating plate.
Trilamellar membrane structure, mainly uses VMPET/AL/PE, uses glue compound.
Wherein the concrete preparation method of core is: weigh in ° SR centrifugal cotton water of 100010 ° of SR ~ 15, after soaking 5 ~ 30min, and mechanical stirring at low speed, wherein centrifugal cotton diameter is 1 ~ 10 μm, wherein stirring at low speed speed is 10 ~ 50rpm/s, and mixing time is 1 ~ 10min, obtains A;
Weigh 2000g stone ore cotton, after soaking 5 ~ 30min, mechanical stirring at low speed, obtains B;
A and B is adjusted to pulp storage tank, be adjusted to after mixing flow box shaping, dry, obtain described core.
Wherein getter is calcium oxide.
Embodiment 2: a kind of low cost vacuum heat-insulating plate preparation method, comprises the following steps:
1) choose four tunic materials, size makes the protective film bag of three bandings on request;
2) choose core, mainly adopt 10 ~ 15 ° of SR centrifugal cotton, mineral fibers, adopt and stir forming technique, in the fiber condition situation not changing raw cotton, the core performance of making is not less than conventional vacuum thermal shield core used on market;
3) put into drying plant after step 2 core being made required size and carry out moisture solution;
Described drying plant is tunnel type drying line or closed baking oven, and described drying condition is bake out temperature 150 DEG C ~ 300 DEG C, drying time 0 ~ 30min;
4), after core described in step 3 being added getter, load in the protective film bag described in step 1;
5) product described in step 4 is carried out vacuumizing heat-seal process, obtain required low cost vacuum heat-insulating plate.
Wherein four film structure, mainly use BOPP/VMPET/AL/PE, use glue compound.
Wherein the concrete preparation method of core is: weigh in ° SR centrifugal cotton water of 5000g10 ° of SR ~ 15, after soaking 5 ~ 30min, and mechanical stirring at low speed, wherein centrifugal cotton diameter is 1 ~ 10 μm, wherein stirring at low speed speed is 10 ~ 50rpm/s, and mixing time is 1 ~ 10min, obtains A;
Weigh 2000g stone ore cotton, after soaking 5 ~ 30min, mechanical stirring at low speed, obtains B;
A and B is adjusted to pulp storage tank, be adjusted to after mixing flow box shaping, dry, obtain described core.
Wherein getter is calcium oxide.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a low cost vacuum heat-insulating plate preparation method, is characterized in that: comprise the following steps:
1) choose the one in three layers or four tunic materials, size makes the protective film bag of three bandings on request;
2) choose core, mainly adopt 10 ~ 15 ° of SR centrifugal cotton, mineral fibers, adopt and stir forming technique, in the fiber condition situation not changing raw cotton, the core performance of making is not less than conventional vacuum thermal shield core used on market;
3) put into drying plant after step 2 core being made required size and carry out moisture solution;
4), after core described in step 3 being added getter, load in the protective film bag described in step 1;
5) product described in step 4 is carried out vacuumizing heat-seal process, obtain required low cost vacuum heat-insulating plate.
2., according to a kind of low cost vacuum heat-insulating plate preparation method described in claim 1, it is characterized in that: four described film structure, mainly use BOPP/VMPET/AL/PE; Trilamellar membrane structure, mainly uses VMPET/AL/PE, VMNY/AL/PE or NY/AL/PE; Use glue compound.
3. according to a kind of low cost vacuum heat-insulating plate preparation method described in claim 1, it is characterized in that: the concrete preparation method of described core is: weigh in ° SR centrifugal cotton water of 1000 ~ 5000g10 ° of SR ~ 15, after soaking 5 ~ 30min, machinery stirring at low speed, described centrifugal cotton diameter is 1 ~ 10 μm, described stirring at low speed speed is 10 ~ 50rpm/s, and mixing time is 1 ~ 10min, obtains A;
Weigh 0 ~ 2000g stone ore cotton, after soaking 5 ~ 30min, mechanical stirring at low speed, obtains B;
A and B is adjusted to pulp storage tank, be adjusted to after mixing flow box shaping, dry, obtain described core.
4., according to a kind of low cost vacuum heat-insulating plate preparation method described in claim 1, it is characterized in that: described getter is calcium oxide.
5. according to a kind of low cost vacuum heat-insulating plate preparation method described in claim 1, it is characterized in that: described step 3) in drying plant be tunnel type drying line or closed baking oven, described drying condition is bake out temperature 150 DEG C ~ 300 DEG C, drying time 0 ~ 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968016.6A CN105423069A (en) | 2015-12-18 | 2015-12-18 | Preparation method of low-cost vacuum insulation panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968016.6A CN105423069A (en) | 2015-12-18 | 2015-12-18 | Preparation method of low-cost vacuum insulation panel |
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| CN105423069A true CN105423069A (en) | 2016-03-23 |
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| CN201510968016.6A Pending CN105423069A (en) | 2015-12-18 | 2015-12-18 | Preparation method of low-cost vacuum insulation panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854866A (en) * | 2019-02-21 | 2019-06-07 | 浙江华恒复合材料有限公司 | A kind of vacuum heat-insulation board manufacturing method |
| CN110822219A (en) * | 2019-09-19 | 2020-02-21 | 滁州银兴新材料科技有限公司 | Processing technology for preparing refrigerator vacuum insulation board by novel drying method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793340A (en) * | 2010-04-06 | 2010-08-04 | 重庆再升科技发展有限公司 | Vacuum insulated panel core material and manufacturing method thereof |
| CN102102796A (en) * | 2010-03-12 | 2011-06-22 | 福建赛特新材股份有限公司 | Vacuum insulation panel and manufacturing method thereof |
| CN102720919A (en) * | 2012-06-08 | 2012-10-10 | 青岛科瑞新型环保材料有限公司 | Vacuum insulated panel core and production method thereof |
-
2015
- 2015-12-18 CN CN201510968016.6A patent/CN105423069A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102796A (en) * | 2010-03-12 | 2011-06-22 | 福建赛特新材股份有限公司 | Vacuum insulation panel and manufacturing method thereof |
| CN101793340A (en) * | 2010-04-06 | 2010-08-04 | 重庆再升科技发展有限公司 | Vacuum insulated panel core material and manufacturing method thereof |
| CN102720919A (en) * | 2012-06-08 | 2012-10-10 | 青岛科瑞新型环保材料有限公司 | Vacuum insulated panel core and production method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854866A (en) * | 2019-02-21 | 2019-06-07 | 浙江华恒复合材料有限公司 | A kind of vacuum heat-insulation board manufacturing method |
| CN110822219A (en) * | 2019-09-19 | 2020-02-21 | 滁州银兴新材料科技有限公司 | Processing technology for preparing refrigerator vacuum insulation board by novel drying method |
| CN110822219B (en) * | 2019-09-19 | 2021-06-08 | 滁州银兴新材料科技有限公司 | Processing technology for preparing refrigerator vacuum insulation board by novel drying method |
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Application publication date: 20160323 |