CN103062578A - Efficient interlaid high temperature thermal insulating material and production method thereof - Google Patents
Efficient interlaid high temperature thermal insulating material and production method thereof Download PDFInfo
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- CN103062578A CN103062578A CN2012105756001A CN201210575600A CN103062578A CN 103062578 A CN103062578 A CN 103062578A CN 2012105756001 A CN2012105756001 A CN 2012105756001A CN 201210575600 A CN201210575600 A CN 201210575600A CN 103062578 A CN103062578 A CN 103062578A
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- carbon felt
- shaped groove
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Abstract
The invention belongs to the technical field of thermal insulation material production, in particular to a high temperature insulation material and a production method thereof. The method includes utilizing a relay layer needling process for producing carbon felts into a base structure with a U-shaped groove, cutting ceramic fiber felts to the one with a size same with the horizontal section size of the groove, and laying the cut ceramic fiber felts into the U-shaped groove of the carbon felts layer by layer until the U-shaped groove of the carbon felts is full of the cut ceramic fiber felts; and laying a flat carbon felt on an opening of the U-shaped groove of the carbon felts, sewing side edges of the flat carbon felt with side edges of the U-shaped groove of the carbon felts to form a complete closed structure, and an efficient interlaid high temperature thermal insulating material is produced. According to the efficient interlaid high temperature thermal insulating material produced by the production method, the ceramic fiber felts is used for partially replacing the carbon felts, and the thickness of the interlaid thermal insulating material with the ceramic fiber felts is thinner than that of a thermal insulating material completely with the carbon felts, as the ceramic fiber felts have a lower thermal conductivity, so that the thickness of a carbon felt material is reduced, the furnace space is saved, the overall thermal conductivity of the material is reduced, and the thermal efficiency is improved.
Description
Technical field
The invention belongs to the thermal-protective material preparing technical field, particularly a kind of high temperature insulating material also relates to its preparation method in addition.
Background technique
Novel carbonaceous high temperature insulating material-carbon felt because have that thermal conductivity is little, thermal capacity is low, density is little, linear expansion coeffcient is little, high temperature resistant, heat shock resistance is strong, chemical resistance is strong, high-purity excellent performance such as pollution-free, has become topmost thermal-protective material in the vacuum high temperature furnace.
The carbon felt with usually needing certain thickness to reach effect of heat insulation, reduces the temperature at place, furnace wall as thermal-protective material, guarantees the normal use of body of heater.At present; most of user producer all is that rule of thumb data are selected the thickness of carbon felt in this material; and carbon felt manufacturer is in order to guarantee the Security of body of heater, usually can be as much as possible the thickness of material be increased, with the temperature at place, abundant reduction furnace wall.But this way can cause the waste of material on the one hand, on the other hand since thickness increase, and the size constancy of whole body of heater, thus reduced the actual use volume of body of heater, cause the waste of furnace space.
Ceramic fiber blanket is because thermal conductivity minimum (far below the carbon felt), and it is difficult for oxidation by air, is widely used in common Industrial Stoves.But the serviceability temperature of ceramic fiber blanket lower (＜1500 ℃), and in some bodies of heater higher to purity requirement, limited its application in high-tech area owing to containing a large amount of oxide impurities in the ceramic fiber blanket.
Summary of the invention
The present invention provides a kind of efficient interlayer high temperature insulating material and preparation method thereof for overcoming above deficiency, and part carbon felt adopts ceramic fiber blanket to substitute in this high temperature insulating material, saved the space, improved the effect of heat insulation of material, the method is simple, and is workable.
The technological scheme that the present invention adopts for achieving the above object is: a kind of efficient interlayer high temperature insulating material, it is characterized in that: adopt the U-shaped groove of carbon felt as matrix, U-shaped slot opening upwards, ceramic fiber blanket fills up in the U-shaped groove of carbon felt, dull and stereotyped carbon felt is sutured in the structure that forms a complete closure on the U-shaped slot opening of carbon felt, is efficient interlayer high temperature insulating material.
A kind of preparation method of efficient interlayer high temperature insulating material is characterized in that:
At first prepare U-shaped groove: adopt relay lamination needling process the carbon felt to be become to have the base structure of U-shaped groove;
Then fill U-shaped groove: ceramic fiber blanket is cut into the size of groove horizontal section, the ceramic fiber blanket horizontal stacking after the cutting is put into the U-shaped groove of carbon felt until fill up the U-shaped groove of carbon felt;
Sew up at last U-shaped groove: dull and stereotyped carbon felt is tiled on the U-shaped channel opening of carbon felt, and will be sutured in around it around U-shaped groove of carbon felt, form the structure of a complete closure, namely obtain efficient interlayer high temperature insulating material.
The thickness of described dull and stereotyped carbon felt is 5-20mm.
Described dull and stereotyped carbon felt adopts the carbon rope to be sutured on the U-shaped slot opening.
The thickness of described ceramic fiber blanket is 5-10mm.
The design parameter of described relay lamination needling process is: punch frequency 20-30HZ, thorn pin density 1000-4000 pin/rice, feeding and discharging speed 20-50mm/s.
Remarkable result of the present invention is to adopt needling process to prepare U-shaped groove, in groove, fill ceramic fiber blanket, use at last dull and stereotyped carbon felt to sew up and obtain thereon efficient interlayer high temperature insulating material, this material adopts ceramic fiber blanket partly to substitute carbon felt body, because ceramic fiber blanket has lower thermal conductivity, it is thin when therefore the Thickness Ratio of this interlayer thermal-protective material all adopts the carbon felt, effectively reduced the thickness of carbon felt material, saved furnace space, and reduced the thermal conductivity of material monolithic, improved heat-insulating efficiency.
Description of drawings
Fig. 1 is a kind of efficient interlayer high temperature insulating material structural representation
The preparation method's of a kind of efficient interlayer high temperature insulating material of Fig. 2 concise and to the point flow process
Among the figure, 1, dull and stereotyped carbon felt, 2, the U-shaped groove of carbon felt, 3, ceramic fiber blanket
Embodiment
Describe the present invention in detail below in conjunction with specific embodiments and the drawings, but the present invention is not limited to specific embodiment.
Embodiment 1
As shown in Figure 1, adopt the U-shaped groove of carbon felt 2 as matrix, U-shaped slot opening upwards, ceramic fiber blanket 3 fills up in the U-shaped groove 2 of carbon felt, dull and stereotyped carbon felt 1 is sutured in the structure that forms a complete closure on the U-shaped slot opening of carbon felt, is efficient interlayer high temperature insulating material.
Embodiment 2
As shown in Figure 2, a kind of preparation method's of efficient interlayer high temperature insulating material concise and to the point flow process is:
At first prepare U-shaped groove: adopt relay lamination needling process, the carbon felt is become to have the base structure of U-shaped groove, design parameter is: punch frequency 20HZ, thorn pin density 1000 pin/rice, feeding and discharging speed 20mm/s;
Then fill U-shaped groove: be the size that the 5mm ceramic fiber blanket is cut into the groove horizontal section with thickness, the ceramic fiber blanket horizontal stacking after the cutting is put into the U-shaped groove of carbon felt until fill up the U-shaped groove of carbon felt;
Sew up at last U-shaped groove: the dull and stereotyped carbon felt of 5mm is tiled on the U-shaped channel opening of carbon felt, and with adopting the carbon rope to be sutured in around the U-shaped groove of carbon felt around it, forms the structure of a complete closure, namely obtain efficient interlayer high temperature insulating material.
Embodiment 3
As shown in Figure 2, a kind of preparation method's of efficient interlayer high temperature insulating material concise and to the point flow process is:
At first prepare U-shaped groove: adopt relay lamination needling process, the carbon felt is become to have the base structure of U-shaped groove, design parameter is: punch frequency 25HZ, thorn pin density 2000 pin/rice, feeding and discharging speed 33mm/s;
Then fill U-shaped groove: be the size that the 7mm ceramic fiber blanket is cut into the groove horizontal section with thickness, the ceramic fiber blanket horizontal stacking after the cutting is put into the U-shaped groove of carbon felt until fill up the U-shaped groove of carbon felt;
Sew up at last U-shaped groove: the dull and stereotyped carbon felt of 13mm is tiled on the U-shaped channel opening of carbon felt, and with adopting the carbon rope to be sutured in around the U-shaped groove of carbon felt around it, forms the structure of a complete closure, namely obtain efficient interlayer high temperature insulating material.
Embodiment 4
As shown in Figure 2, a kind of preparation method's of efficient interlayer high temperature insulating material concise and to the point flow process is:
At first prepare U-shaped groove: adopt relay lamination needling process, the carbon felt is become to have the base structure of U-shaped groove, design parameter is: punch frequency 30HZ, thorn pin density 4000 pin/rice, feeding and discharging speed 50mm/s;
Then fill U-shaped groove: be the size that the 10mm ceramic fiber blanket is cut into the groove horizontal section with thickness, the ceramic fiber blanket horizontal stacking after the cutting is put into the U-shaped groove of carbon felt until fill up the U-shaped groove of carbon felt;
Sew up at last U-shaped groove: the dull and stereotyped carbon felt of 20mm is tiled on the U-shaped channel opening of carbon felt, and with adopting the carbon rope to be sutured in around the U-shaped groove of carbon felt around it, forms the structure of a complete closure, namely obtain efficient interlayer high temperature insulating material.
Claims (6)
1. efficient interlayer high temperature insulating material, it is characterized in that: adopt the U-shaped groove of carbon felt as matrix, U-shaped slot opening upwards, ceramic fiber blanket fills up in the U-shaped groove of carbon felt, dull and stereotyped carbon felt is sutured in the structure that forms a complete closure on the U-shaped slot opening of carbon felt, is efficient interlayer high temperature insulating material.
2. the preparation method of a kind of efficient interlayer high temperature insulating material according to claim 1 is characterized in that:
At first prepare U-shaped groove: adopt relay lamination needling process the carbon felt to be become to have the base structure of U-shaped groove;
Then fill U-shaped groove: ceramic fiber blanket is cut into the size of groove horizontal section, the ceramic fiber blanket horizontal stacking after the cutting is put into the U-shaped groove of carbon felt until fill up the U-shaped groove of carbon felt;
Sew up at last U-shaped groove: dull and stereotyped carbon felt is tiled on the U-shaped channel opening of carbon felt, and will be sutured in around it around U-shaped groove of carbon felt, form the structure of a complete closure, namely obtain efficient interlayer high temperature insulating material.
3. arbitrary described a kind of efficient interlayer high temperature insulating material and preparation method thereof according to claim 1 and 2, it is characterized in that: the thickness of described dull and stereotyped carbon felt is 5-20mm.
4. arbitrary described a kind of efficient interlayer high temperature insulating material and preparation method thereof according to claim 1 and 2, it is characterized in that: described dull and stereotyped carbon felt adopts the carbon rope to be sutured on the U-shaped slot opening.
5. arbitrary described a kind of efficient interlayer high temperature insulating material and preparation method thereof according to claim 1 and 2, it is characterized in that: the thickness of described ceramic fiber blanket is 5-10mm.
6. the preparation method of a kind of efficient interlayer high temperature insulating material according to claim 2, it is characterized in that: the design parameter of described relay lamination needling process is: punch frequency 20-30HZ, thorn pin density 1000-4000 pin/rice, feeding and discharging speed 20-50mm/s.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971776A (en) * | 2014-04-30 | 2014-08-06 | 大连理工高邮研究院有限公司 | Soft-carbon fiber-based heat insulation material for nuclear radiation protection and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106219092A (en) * | 2016-08-28 | 2016-12-14 | 马国良 | Road transport hazardous cargo tank and proprietary material thereof |
Citations (7)
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| US4151693A (en) * | 1975-03-07 | 1979-05-01 | M. H. Detrick Co., Limited | Refractory/insulating modules and method of making same |
| FR2549511A1 (en) * | 1983-07-22 | 1985-01-25 | Prisme Sa | Prefabricated insulating panels for industrialised constructions and applications. |
| JP2001193186A (en) * | 2000-01-05 | 2001-07-17 | Kanegafuchi Chem Ind Co Ltd | Heat insulating composite panel |
| CN101591178A (en) * | 2008-05-30 | 2009-12-02 | 鞍山塞诺达碳纤维有限公司 | The manufacturing of rigid carbon-fiber heat-insulation material and surface treatment method |
| CN101723698A (en) * | 2009-12-18 | 2010-06-09 | 王占双 | Preparation of heat preservation carbon felt with integral structure |
| CN201525799U (en) * | 2009-07-03 | 2010-07-14 | 中国中轻国际工程有限公司 | Novel compound insulation brick for glass smelting kiln |
| CN202687970U (en) * | 2012-05-31 | 2013-01-23 | 郑州东方均质材料有限责任公司 | Fire-proof insulating brick with inside liner |
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2013
- 2013-02-26 CN CN201210575600.1A patent/CN103062578B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151693A (en) * | 1975-03-07 | 1979-05-01 | M. H. Detrick Co., Limited | Refractory/insulating modules and method of making same |
| FR2549511A1 (en) * | 1983-07-22 | 1985-01-25 | Prisme Sa | Prefabricated insulating panels for industrialised constructions and applications. |
| JP2001193186A (en) * | 2000-01-05 | 2001-07-17 | Kanegafuchi Chem Ind Co Ltd | Heat insulating composite panel |
| CN101591178A (en) * | 2008-05-30 | 2009-12-02 | 鞍山塞诺达碳纤维有限公司 | The manufacturing of rigid carbon-fiber heat-insulation material and surface treatment method |
| CN201525799U (en) * | 2009-07-03 | 2010-07-14 | 中国中轻国际工程有限公司 | Novel compound insulation brick for glass smelting kiln |
| CN101723698A (en) * | 2009-12-18 | 2010-06-09 | 王占双 | Preparation of heat preservation carbon felt with integral structure |
| CN202687970U (en) * | 2012-05-31 | 2013-01-23 | 郑州东方均质材料有限责任公司 | Fire-proof insulating brick with inside liner |
Non-Patent Citations (3)
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| 刘仁家等: "《真空热处理与设备》", 30 September 1984, 宇航出版社 * |
| 曹作喧: "PAN基碳纤维针刺毡制备工艺及性能的研究", 《中国优秀硕士论文电子期刊》 * |
| 阎承沛: "《真空热处理工艺与设备设计》", 31 October 1998, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971776A (en) * | 2014-04-30 | 2014-08-06 | 大连理工高邮研究院有限公司 | Soft-carbon fiber-based heat insulation material for nuclear radiation protection and manufacturing method thereof |
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