CN103880393A - Reinforced cryogenic thermal insulation material and preparation method thereof - Google Patents
Reinforced cryogenic thermal insulation material and preparation method thereof Download PDFInfo
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- CN103880393A CN103880393A CN201410054425.0A CN201410054425A CN103880393A CN 103880393 A CN103880393 A CN 103880393A CN 201410054425 A CN201410054425 A CN 201410054425A CN 103880393 A CN103880393 A CN 103880393A
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- insulating materials
- thermal insulating
- cryogenic thermal
- alkali glass
- primitive fiber
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Abstract
The invention discloses a reinforced cryogenic thermal insulation material and a preparation method thereof; the reinforced cryogenic thermal insulation material disclosed by the invention is characterized by comprising alkali-free glass microfiber and active carbon, wherein the alkali-free glass microfiber is 0.4-1 mu m in diameter and 1-2 mu m in length; the particle size of the active carbon is 0.5-10 mu m; and the preparation method of the reinforced cryogenic thermal insulation material disclosed by the invention comprises the steps of pulping, forming, drying, cutting, winding and the like. According to the invention, by means of addition of active carbon, active carbon can be mixed into the alkali-free glass microfiber, therefore, the absorption efficiency is effectively increased; and the benefits are obvious.
Description
Technical field
The present invention relates to a kind of enhancement type Cryogenic Thermal Insulating Materials and preparation method thereof.
Background technology
Sweet natural gas and petroleum gas are all high heating values, free of contamination good fuel, many countries are widely used in already industrial production and municipal administration is civilian, and this class gas is important energy source goods and materials, also be important industrial chemicals, can be used to manufacture agricultural chemicals, chemical fertilizer, plastics, chemical fibre etc.
There are abundant Sweet natural gas and petroleum gas resource in China, standing stock are only second to USSR (Union of Soviet Socialist Republics) and the U.S., in China, fuel and raw material are made in the urgent need to Sweet natural gas and petroleum gas in many areas, and Speeding up development utilizes Sweet natural gas and petroleum gas to have immeasurable effect to China's Economic development.
Due to China's natural gas, petroleum gas distribution of resource mostly and developed area distant.Country is determined the West-East National Gas Transmission Project of development of natural gas recently, and this is also a good thing greatly to developed area.Can use water transport as southern area, there is traffic capacity large, cost saving, the advantage such as flexible, 1m
3natural gas liquids is equivalent to 600 m
3sweet natural gas.In the time that distance exceedes 1600km, sea transport is more defeated favourable than pipe, and the suitable pipeline of cost of shipping 6500km is carried the cost of 2700Km.The groove Ship Transportation of natural gas liquids has good economy as can be seen here, thus be obviously very promising at the by sea defeated natural gas liquids of China and liquefied petroleum gas (LPG), but the storage tank cryogenic insulating of liquefied natural gas carrier is a gordian technique.
But, the Cryogenic Thermal Insulating Materials complex manufacturing of selling in the market, and there is no good adsorptive power for the palladous oxide producing in production process, easily environment and the person are caused to certain infringement, be unfavorable for the long term growth of Cryogenic Thermal Insulating Materials.
Summary of the invention
Goal of the invention: the object of the invention is in order to overcome the deficiencies in the prior art, provide one can effectively absorb hydrionic enhancement type Cryogenic Thermal Insulating Materials in palladous oxide.
The preparation method that another object of the present invention is to provide effective simplification production enhancement type Cryogenic Thermal Insulating Materials, enhances productivity.
Technical scheme: in order to solve the problems of the technologies described above, a kind of enhancement type Cryogenic Thermal Insulating Materials of the present invention, according to weight percent hundred, comprises the non-alkali glass primitive fiber of 90%-95% and the gac of 5%-10%;
The diameter of described non-alkali glass primitive fiber is 0.4-1um, and length is 1-2mm;
Described activated carbon particle size is 0.5-10um.
Described non-alkali glass primitive fiber is 260 SR ° glass fibre cottons.
Described a kind of enhancement type Cryogenic Thermal Insulating Materials, its preparation method comprises step:
(1) raw material is prepared: according to weight percent hundred, comprise the non-alkali glass primitive fiber of 90%-95% and the gac of 5%-10%;
(2) slurrying: non-alkali glass primitive fiber is poured in clear water, stirred 10-15min with agitator, form non-alkali glass primitive fiber solution, then gac is put into non-alkali glass primitive fiber solution, continue to stir 15-20min and form slurries;
(3) moulding: the slurries described in step (2) are delivered in cylinder gunite sheet forming apparatus, slurry trickles and form l Water Paper page to the forming part of cylinder gunite sheet forming apparatus, l Water Paper page is carried out to secondary sizing 0.4～0.8s by squeeze roll, control dehumidifier pressure and under the condition of 0.3～0.4MPa, carry out pump up water, make to enter
The wet sheet moisture ratio of next step operation is in 80% scope;
(4) stoving process: the l Water Paper page obtaining in step (3) is sent in Sweet natural gas tunnel type baking oven it is carried out to drying and processing, and bake out temperature is 280-320 DEG C, and drying time is 2-5min, with the crude green body of the type Cryogenic Thermal Insulating Materials that is enhanced;
(5) splitting winding: by the crude green body after drying in step (4), allow and cut as cutting unit, the enhancement type Cryogenic Thermal Insulating Materials after cutting, by pasting the rolling of cylinder rolling mode, is obtained to required enhancement type Cryogenic Thermal Insulating Materials.。
Slurries PH described in step (2), is 3-5, adopts Glacial acetic acid to regulate.
Beneficial effect: compared with prior art, the invention has the advantages that:
1. advantages of good adsorption effect: the present invention, by increase gac in non-alkali glass primitive fiber solution, can make gac be distributed in equably on l Water Paper page, effectively increases hydrionic adsorptivity in palladous oxide;
2. environmental protection: the present invention, by adopting Sweet natural gas tunnel type baking oven to dry l Water Paper page, does not adopt coal gas, can not work the mischief to environment.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, should understand these embodiment and only be not used in and limit the scope of the invention for the present invention is described.
Embodiment 1:
(1) raw material is prepared: according to weight percent hundred, comprise 90% non-alkali glass primitive fiber and 10% gac;
(2) slurrying: non-alkali glass primitive fiber is poured in clear water, stir 15min with agitator, form non-alkali glass primitive fiber solution, then gac is put into non-alkali glass primitive fiber solution, continue to stir 15min and form slurries, adopt Glacial acetic acid to regulate the pH value of slurries, make PH3.5;
(3) moulding: the slurries described in step (2) are delivered in cylinder gunite sheet forming apparatus, slurry trickles and form l Water Paper page to the forming part of cylinder gunite sheet forming apparatus, l Water Paper page is carried out to secondary sizing 0.4s by squeeze roll, control dehumidifier pressure and under the condition of 0.3 MPa, carry out pump up water, make the wet sheet moisture ratio that enters next step operation in 80% scope;
(4) stoving process: the l Water Paper page obtaining in step (3) is sent in Sweet natural gas tunnel type baking oven it is carried out to drying and processing, and bake out temperature is 280 DEG C, and drying time is 2min, with the crude green body of the type Cryogenic Thermal Insulating Materials that is enhanced;
(5) splitting winding: by the crude green body after drying in step (4), allow and cut as cutting unit, the enhancement type Cryogenic Thermal Insulating Materials after cutting, by pasting the rolling of cylinder rolling mode, is obtained to required enhancement type Cryogenic Thermal Insulating Materials.。
Embodiment 2:
(1) raw material is prepared: according to weight percent hundred, comprise 93% non-alkali glass primitive fiber and 7% gac;
(2) slurrying: non-alkali glass primitive fiber is poured in clear water, stir 12min with agitator, form non-alkali glass primitive fiber solution, then gac is put into non-alkali glass primitive fiber solution, continue to stir 17min and form slurries, adopt Glacial acetic acid to regulate the pH value of slurries, make PH4;
(3) moulding: the slurries described in step (2) are delivered in cylinder gunite sheet forming apparatus, slurry trickles and form l Water Paper page to the forming part of cylinder gunite sheet forming apparatus, l Water Paper page is carried out to secondary sizing 0.5s by squeeze roll, control dehumidifier pressure and under the condition of 0.4 MPa, carry out pump up water, make the wet sheet moisture ratio that enters next step operation in 80% scope;
(4) stoving process: the l Water Paper page obtaining in step (3) is sent in Sweet natural gas tunnel type baking oven it is carried out to drying and processing, and bake out temperature is 300 DEG C, and drying time is 3min, with the crude green body of the type Cryogenic Thermal Insulating Materials that is enhanced;
(5) splitting winding: by the crude green body after drying in step (4), allow and cut as cutting unit, the enhancement type Cryogenic Thermal Insulating Materials after cutting, by pasting the rolling of cylinder rolling mode, is obtained to required enhancement type Cryogenic Thermal Insulating Materials.
Embodiment 3
(1) raw material is prepared: according to weight percent hundred, comprise 95% non-alkali glass primitive fiber and 5% gac;
(2) slurrying: non-alkali glass primitive fiber is poured in clear water, stir 10min with agitator, form non-alkali glass primitive fiber solution, then gac is put into non-alkali glass primitive fiber solution, continue to stir 20min and form slurries, adopt Glacial acetic acid to regulate the pH value of slurries, make PH5;
(3) moulding: the slurries described in step (2) are delivered in cylinder gunite sheet forming apparatus, slurry trickles and form l Water Paper page to the forming part of cylinder gunite sheet forming apparatus, l Water Paper page is carried out to secondary sizing 0.8s by squeeze roll, control dehumidifier pressure and under the condition of 0.4MPa, carry out pump up water, make the wet sheet moisture ratio that enters next step operation in 80% scope;
(4) stoving process: the l Water Paper page obtaining in step (3) is sent in Sweet natural gas tunnel type baking oven it is carried out to drying and processing, and bake out temperature is 320 DEG C, and drying time is 3min, with the crude green body of the type Cryogenic Thermal Insulating Materials that is enhanced;
(5) splitting winding: by the crude green body after drying in step (4), allow and cut as cutting unit, the enhancement type Cryogenic Thermal Insulating Materials after cutting, by pasting the rolling of cylinder rolling mode, is obtained to required enhancement type Cryogenic Thermal Insulating Materials.
Claims (4)
1. an enhancement type Cryogenic Thermal Insulating Materials, is characterized in that: according to weight percent hundred, comprise the non-alkali glass primitive fiber of 90%-95% and the gac of 5%-10%;
The diameter of described non-alkali glass primitive fiber is 0.4-1um, and length is 1-2mm;
Described activated carbon particle size is 0.5-10um.
2. a kind of enhancement type Cryogenic Thermal Insulating Materials according to claim 1, is characterized in that: described non-alkali glass primitive fiber is 260 SR ° glass fibre cottons.
3. a kind of enhancement type Cryogenic Thermal Insulating Materials according to claim 1 and 2, its preparation method comprises step:
(1) raw material is prepared: according to weight percent hundred, comprise the non-alkali glass primitive fiber of 90%-95% and the gac of 5%-10%;
(2) slurrying: non-alkali glass primitive fiber is poured in clear water, stirred 10-15min with agitator, form non-alkali glass primitive fiber solution, then gac is put into non-alkali glass primitive fiber solution, continue to stir 15-20min and form slurries;
(3) moulding: the slurries described in step (2) are delivered in cylinder gunite sheet forming apparatus, slurry trickles and form l Water Paper page to the forming part of cylinder gunite sheet forming apparatus, l Water Paper page is carried out to secondary sizing 0.4～0.8s by squeeze roll, control dehumidifier pressure and under the condition of 0.3～0.4MPa, carry out pump up water, make to enter
The wet sheet moisture ratio of next step operation is in 80% scope;
(4) stoving process: the l Water Paper page obtaining in step (3) is sent in Sweet natural gas tunnel type baking oven it is carried out to drying and processing, and bake out temperature is 280-320 DEG C, and drying time is 2-5min, with the crude green body of the type Cryogenic Thermal Insulating Materials that is enhanced;
(5) splitting winding: by the crude green body after drying in step (4), allow and cut as cutting unit, the enhancement type Cryogenic Thermal Insulating Materials after cutting, by pasting the rolling of cylinder rolling mode, is obtained to required enhancement type Cryogenic Thermal Insulating Materials.
4. enhancement type Cryogenic Thermal Insulating Materials according to claim 3, is characterized in that: the slurries PH described in step (2) is 3-5, adopts Glacial acetic acid to regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054425.0A CN103880393A (en) | 2014-02-18 | 2014-02-18 | Reinforced cryogenic thermal insulation material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410054425.0A CN103880393A (en) | 2014-02-18 | 2014-02-18 | Reinforced cryogenic thermal insulation material and preparation method thereof |
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| CN201410054425.0A Pending CN103880393A (en) | 2014-02-18 | 2014-02-18 | Reinforced cryogenic thermal insulation material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030178080A1 (en) * | 2002-03-13 | 2003-09-25 | Nexans | Pipeline for the transport of refrigerated media |
| CN1450294A (en) * | 2003-04-24 | 2003-10-22 | 上海交通大学 | High-vacuum thermal-insulation partition material with adsorption function |
| CN102788227A (en) * | 2011-05-17 | 2012-11-21 | 张家港中集圣达因低温装备有限公司 | High-vacuum multilayer heat-insulating structure capable of absorbing hydrogen |
| CN103074799A (en) * | 2013-01-21 | 2013-05-01 | 常州大利节能新材料有限公司 | Super breathable type deep-cooling heat-insulating material and preparation method thereof |
-
2014
- 2014-02-18 CN CN201410054425.0A patent/CN103880393A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030178080A1 (en) * | 2002-03-13 | 2003-09-25 | Nexans | Pipeline for the transport of refrigerated media |
| CN1450294A (en) * | 2003-04-24 | 2003-10-22 | 上海交通大学 | High-vacuum thermal-insulation partition material with adsorption function |
| CN102788227A (en) * | 2011-05-17 | 2012-11-21 | 张家港中集圣达因低温装备有限公司 | High-vacuum multilayer heat-insulating structure capable of absorbing hydrogen |
| CN103074799A (en) * | 2013-01-21 | 2013-05-01 | 常州大利节能新材料有限公司 | Super breathable type deep-cooling heat-insulating material and preparation method thereof |
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Application publication date: 20140625 |