CN101054510A - Grain charcoal fiber heat preservation material - Google Patents
Grain charcoal fiber heat preservation material Download PDFInfo
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- CN101054510A CN101054510A CN 200710021522 CN200710021522A CN101054510A CN 101054510 A CN101054510 A CN 101054510A CN 200710021522 CN200710021522 CN 200710021522 CN 200710021522 A CN200710021522 A CN 200710021522A CN 101054510 A CN101054510 A CN 101054510A
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- heat preservation
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- preservation material
- charcoal fiber
- fiber heat
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Abstract
The invention relates to a rice carbon fiber heat preservation material, which is produced by the following materials by volume: 9-21 shares of rice-hull ash, 2-6 shares of magnesium chloride solution, 1-5 shares of magnesia, 0.5-3 shares of quartz sand, 0.5-3 shares of chips. The invention has a low production cost and has poison and side effects. The rice carbon fiber heat preservation material has a low thermal conductivity, a good heat retaining property, a good waterproof capacity, a small weight, a good plasticity, and such material can be used to produce different heat retaining and heat-insulating building materials and different allotype heat retaining and heat-insulating elements.
Description
Technical field
The present invention relates to field of heat insulating materials, specifically, relate to a kind of grain charcoal fiber heat preservation material, be mainly used in the insulating riser sleeve of making casting industry.
Background technology
Lifting because of the thermal power generation energy structure, progressively change natural gas power into by raw coal, casting industry floats the pearl insulating riser sleeve and to float the various lagging material widespread uses that pearl is a raw material, the price that the comprehensive utilization product behind the coal fired power generation floats pearl rises significantly, and often supply shortage.In addition, make insulating riser sleeve other heat insulating products of goods and member, must use the high-strength adhesive molding bonded, but selection of binder is caused considerable trouble.At present, on the market as the various types of resins of binding agent, not only cost an arm and a leg, and in various degree toxic side effect all arranged, smell is dense, and the respiratory tract of human body is had stimulation, does not meet environmental requirement.
Summary of the invention
It is low to the purpose of this invention is to provide a kind of production cost, the grain charcoal fiber heat preservation material that has no side effect.
Technical scheme of the present invention is, a kind of grain charcoal fiber heat preservation material, and it is the raw material by following parts by volume
Make:
9～21 parts of rice chaff ashes
2～6 parts of magnesium chloride solutions
1～5 part in magnesium oxide
0.5～3 part of quartz sand
0.5～3 part of wood sawdust.
Further, the temperature of magnesium chloride solution remains 18 ℃～20 ℃.
Further, the order number of quartz sand is 40～70 orders.
In after technique scheme, adopt rice chaff ash to replace and float lagging materials such as pearl, silicate fiber, perlite, rice chaff ash is made up of the slightly hard countless little sketching charcoal of quality, can not only be incubated, and in case run into the molten metal energy rapid reaction of thousands of degree, moment heating up, delay cooling time of molten metal, improve assembly feeding effect.Rice chaff ash is cheap, ample supply and prompt delivery (through investigation, after filtration is burnt with rice chaff in vast rural area, because of cheap, a large amount of discarded field of rice chaff ash) environmental protection again.In addition, the present invention adopts nontoxic, tasteless magnesium chloride solution to make binding agent, and does to fill adhesive and reactant with magnesium oxide, and overcome with resin and made the shortcoming that binding agent produces toxic side effect, thereby complete compliance with environmental protection requirements.
Utilize the insulated feeder of grain charcoal fiber heat preservation material manufacturing to be enclosed within moulding in the model, be placed on 30 ℃ of indoor reactions of room temperature after the demoulding from should be after after 150 ℃～200 ℃ electric oven dryings, the intensity of insulating riser sleeve than the silicate fiber riser buss, float the pearl riser buss and improve greatly, through " 8 " word sample testing, tensile strength is 0.54Mpa.Particularly the thermal conductivity of grain charcoal fiber riser buss is low, and itself and carbonic acid fiber thermal insulation riser buss, the correlation data of floating the pearl insulating riser sleeve are as follows:
| The certificate title | Test item | Measured result |
| The silicate fiber insulating riser sleeve | Thermal conductivity (W/mk) | 0.339 |
| Float the pearl insulating riser sleeve | Thermal conductivity (W/mk) | 0.233 |
| The grain charcoal fiber insulating riser sleeve | Thermal conductivity (W/mk) | 0.182 |
Embodiment
The present invention is further detailed explanation below in conjunction with embodiment.
A kind of grain charcoal fiber heat preservation material, it is to be made by the raw material of following parts by volume:
9～21 parts of rice chaff ashes
2～6 parts of magnesium chloride solutions
1～5 part in magnesium oxide
0.5～3 part of quartz sand
0.5～3 part of wood sawdust.
Embodiment one
A kind of grain charcoal fiber heat preservation material, it is to be made by the raw material of following parts by volume: 10 parts of rice chaff ashes, 6 parts of 18 ℃～20 ℃ magnesium chloride solutions, 5 parts in magnesium oxide, 1 part of 40～70 order quartz sand, 1 part of wood sawdust.
Embodiment two
A kind of grain charcoal fiber heat preservation material, it is to be made by the raw material of following parts by volume:
16 parts of rice chaff ashes, 4 parts of 18 ℃～20 ℃ magnesium chloride solutions, 3 parts in magnesium oxide, 2.5 parts of 40～70 order quartz sands, 2.5 parts of wood sawdusts.
Embodiment three
A kind of grain charcoal fiber heat preservation material, it is to be made by the raw material of following parts by volume:
20 parts of rice chaff ashes, 3 parts of 18 ℃～20 ℃ magnesium chloride solutions, 1.5 parts in magnesium oxide, 0.8 part of 40～70 order quartz sand, 0.8 part of wood sawdust.
Raw material among above-mentioned three embodiment mixes and stirs to reach to wet tenacity with common vertical forced stirrer can produce insulating riser sleeve and other various heat insulating goods about 0.01～0.025Mpa.
Grain charcoal fiber heat preservation material of the present invention has that thermal conductivity is low, good heat preservation performance, water-tolerant, weight is little, plasticity-good, not only environmental protection but also the many advantages of economic dispatch use this material can manufacture various heat insulating building materials and various special-shaped heat preserving heat insulating components or the like.For example build paddy raw material of wood-charcoal material refrigerator chamber, refrigerator, saves energy widely.It is heat insulation that paddy charcoal insulating material of the present invention can also be used for the top, house.
Claims (3)
1, a kind of grain charcoal fiber heat preservation material is characterized in that it is to be made by the raw material of following parts by volume:
9～21 parts of rice chaff ashes
2～6 parts of magnesium chloride solutions
1～5 part in magnesium oxide
0.5～3 part of quartz sand
0.5～3 part of wood sawdust.
2, grain charcoal fiber heat preservation material according to claim 1 is characterized in that: the temperature of magnesium chloride solution is 18 ℃～20 ℃.
3, grain charcoal fiber heat preservation material according to claim 1 and 2 is characterized in that: the order number of quartz sand is 40～70 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710021522 CN101054510A (en) | 2007-04-19 | 2007-04-19 | Grain charcoal fiber heat preservation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710021522 CN101054510A (en) | 2007-04-19 | 2007-04-19 | Grain charcoal fiber heat preservation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101054510A true CN101054510A (en) | 2007-10-17 |
Family
ID=38794568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710021522 Pending CN101054510A (en) | 2007-04-19 | 2007-04-19 | Grain charcoal fiber heat preservation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101054510A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199040A (en) * | 2011-02-16 | 2011-09-28 | 朱晓明 | Novel sink head brick and its processing technology |
-
2007
- 2007-04-19 CN CN 200710021522 patent/CN101054510A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199040A (en) * | 2011-02-16 | 2011-09-28 | 朱晓明 | Novel sink head brick and its processing technology |
| CN102199040B (en) * | 2011-02-16 | 2013-03-20 | 朱晓明 | Novel sink head brick and its processing technology |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |