CN104446596A - Manufacturing process for producing microcrystal foaming fireproof thermal insulation material by utilizing aeolian sand and peat - Google Patents
Manufacturing process for producing microcrystal foaming fireproof thermal insulation material by utilizing aeolian sand and peat Download PDFInfo
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- CN104446596A CN104446596A CN201410739067.7A CN201410739067A CN104446596A CN 104446596 A CN104446596 A CN 104446596A CN 201410739067 A CN201410739067 A CN 201410739067A CN 104446596 A CN104446596 A CN 104446596A
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Abstract
The invention relates to a manufacturing process for producing a microcrystal foaming fireproof thermal insulation material by utilizing aeolian sand and peat, and in particular to a manufacturing process of a fireproof thermal insulation material by reutilizing Mu Us aeolian sand in Ningxia region. The manufacturing process is characterized by comprising the following steps: processing aeolian sand, peat and limestone into tiny fine powder, uniformly mixing the fine powder according to a specified proportion, flattening and ramming the fine powder mixture in a firing mould, integrally firing the mixture in a high-temperature firing kiln once and cooling molding. The manufacturing process for producing the microcrystal foaming fireproof thermal insulation material by utilizing the aeolian sand and the peat has the beneficial effects that, by utilizing the aeolian sand as a main raw material, the environment pollution problem caused by the aeolian sand is solved, the production cost is reduced, the resource utilization rate is increased, the waste is changed into the wealth, and the environment is optimized; by utilizing the peat as a production raw material, a combustion supporting effect of raw material self combustion in a firing procedure is realized, the firing speed can be increased, and the fuel cost and the energy consumption are reduced.
Description
Technical field
The present invention relates to a kind of making method utilizing drift-sand and peat to produce foaming heat preservation wall body for greenhouse material, particularly relate to the process for making of the fire-retardant heat-insulation material of the Myotis fimbriatus drift-sand recycling of Ningxia, China.
Background technology
Drift-sand is the sand bed bringing postprecipitation by blowing, and is more common in desert and next door.Announcing according to United Nations on April 22 World Earth Day website in 2008, is still the desertification of the earth first of the large disaster of the current earth ten.China is one of country that desertification is the most serious in the world, and drift-sand causes damage to country every year and reaches 45,000,000,000 yuan, affects northern China 300,000,000 population.The Deserts in China total area is 1,280,000 square kilometres, and is still expanding with the speed of annual 2460 square kilometres.
In recent years since, deeply affect by Mu us dese with the northern Wind-sandy Area of south, municipal Erdos, the Inner Mongol, Shaanxi Province's Yulin City and Yanchi County northeast, Ningxia Hui Autonomous Region, the Myotis fimbriatus drift-sand pollution problem produced brings serious harm to each department environmental development.Sand control engineering is the engineering very consuming financial resource and material resource manpower, and its key reason is that drift-sand is all increasing every year, and the drift-sand produced does not have utility value, is difficult to process and makes to use up, along with the age more and more for a long time, treatment cost and difficulty increasing.
After deliberation, the main chemical compositions of drift-sand is the SiO of 79.32%
2, 8.42 Al
2o
3, 2.41% Fe
2o, the CaO of 2.27%, MgO, the titanium dioxide of 0.36%, the K of 3.85% of 1.21%
2o+Na
2o, 2.26% L.O.I.And silicon-dioxide is a kind of mineral element having utility value.
Peat is the one belonging to mud coal, and in Ningxia, China, distribution is wide, because carbon content is low, fuel value is low, causes exploitation utility value very low not high, extremely wastes as a kind of mineral resource.
Object of the present invention is exactly to utilize local drift-sand and mud and charcoal, unworthy mineral is become valuable material, namely solves environmental problem, and improves the utilization ratio of mineral products.
Summary of the invention
The object of the invention is the problem of environmental pollution brought to solve drift-sand, providing one to utilize drift-sand and peat to be main raw material(s), manufacture out and there is insulation, fire prevention, the inorganic building plate body material of hydrophobic and sound-proofing properties and technological method for processing.
For solving the problems of the technologies described above, the present invention takes following technical scheme: drift-sand, peat and Wingdale are prepared into small fine powder, Homogeneous phase mixing in proportion, then paves fine powder batch mixing firing in mould, through high-temperature firing kiln is disposable integrally fire after cooling forming.
Described drift-sand and the peat of utilizing produces crystallite foaming fire-retardant heat-insulation material, it is characterized in that: be drift-sand 50-70%, peat 20-30%, Wingdale 10-20% by the weight percent of raw material.
The present invention utilizes drift-sand and peat to produce the manufacture craft of crystallite foaming fire-retardant heat-insulation material, comprises the steps:
S1. raw material preparation:
1) microcrystal grain is prepared: raw material drift-sand is melting in glass melting furnace the molten slurry of drift-sand, glass melting temperature is at about 1500 ~ 1550 DEG C, flow out through glass melting furnace discharge port through the abundant fusings of some hours, homogenizing, stay-in-grade molten slurry, carry out Water Quenching, make microcrystal grain, then carry out gradation oven dry;
2) prepare peat particle: peat is carried out break process, dry and be broken into particle;
3) prepare Wingdale particle: raw limestone is carried out break process, dry and be broken into particle;
4) microcrystal grain made by drift-sand, peat particle and Wingdale particle are weighed by proportioning and are mixed into uniform compound, and be ground to the small fine powder of 500-700 object through mechanical disintegration grinding plant, it is more even that simultaneous grinding process makes raw material mix.
Described utilize drift-sand and peat produce the manufacturing process of crystallite foaming fire-retardant heat-insulation material, it is characterized in that: the weight percent of microcrystal grain, peat and limestone fines batch mixing is crystallite fine powder 50-70%, peat fine powder 20-30%, limestone fines 10-20%.
S2. cloth:
1) deposit in drift-sand, peat and limestone fines batch mixing loading material distributing machine;
2) drift-sand precipitated, peat and limestone fines batch mixing are located at by material distributing machine uniform spreading fire in mould;
3) pave firing drift-sand, peat and the limestone fines batch mixing that in mould, cloth is good.
S3. fire:
1) mould of firing of good for cloth drift-sand, peat and limestone fines batch mixing is sent into and fired kiln, heat to 1150 DEG C-1200 DEG C, continue 4-5 hour;
2) the crystallite foaming fire-retardant heat-insulation material baked is sent into cooling section naturally cooling in kiln, continue 18-24 hour.
S4. finished product processing: by cooled crystallite foaming fire-retardant heat-insulation material, be cut into engineering plate by engineering size.
Beneficial effect of the present invention is: namely solve the problem of environmental pollution that drift-sand brings using drift-sand as main raw material and again save into product cost, not only increase resource utilization, and turns waste into wealth and optimize environment; Using peat as raw materials for production, play the combustion-supporting effect of raw material own combustion in sintering procedure, can accelerate to fire speed, fuel economy cost, reduces energy consumption.
figure of description
The double-deck crystallite foaming fire preventing and heat insulating board organigram that accompanying drawing 1 is produced for present invention process.
In accompanying drawing: pure crystallite plate body material 1, crystallite foaming mixing material 2.
Embodiment
With the mode implementing leading case further technology, invention is described below.
Embodiment 1: the crystallite foaming fire preventing and heat insulating board that a kind of manufacture craft utilizing drift-sand and peat to produce crystallite foaming fire-retardant heat-insulation material is produced, it is characterized in that: by the disposable crystallite foaming fire-retardant heat-insulation material plate integrally formed by a firing of microcrystal grain, peat and limestone fines mixing raw material, internal structure is cellular.
Described crystallite foaming fire preventing and heat insulating board, is characterized in that: described plate body thickness is 3 ~ 600mm.
Embodiment 2: as shown in drawings, a kind of double-deck crystallite foaming fire preventing and heat insulating board utilizing drift-sand and peat to produce the manufacture craft of crystallite foaming fire-retardant heat-insulation material, by the disposable crystallite foaming fire-retardant heat-insulation material plate integrally formed by a firing of drift-sand, peat and limestone fines mixing raw material, plate body is the thick double-layer structural of 3-600mm; One side is made up of the pure crystallite plate body material 1 that 3-35mm is thick, smooth surface, and internal structure is closely knit; Another side is that the crystallite foaming mixing material 2 that 3-600mm is thick is made, inner in cellular.
Described double-deck crystallite foaming fire preventing and heat insulating board production technique, comprise raw material preparation, cloth, fire, finished product processing, its feature is that distributing technique is made up of following steps:
A. charging feedstock in the different feed bins of material distributing machine device respectively, wherein the first material distributing machine is pure crystallite raw material fine powder, and the second material distributing machine is high-foaming crystallite compound fine powder, is low ratio foamed crystallite compound fine powder in the 3rd material distributing machine;
B. to be fired in mould at crystallite foaming fire preventing and heat insulating board by three groups of material distributing machine successively respectively and carry out cloth:
A. the first material distributing machine is distributed into the thick pure crystallite raw material fine powder of the first layer 3-35mm firing mold bottom, paves compacting;
B. then by the second material distributing machine or the 3rd material distributing machine cloth high-foaming crystallite compound fine powder on the first layer pure crystallite raw material fine powder layer thick to 600mm, pave compacting.
Embodiment 3: by the combined content of raw material be (weight percent) drift-sand 70%, the crystallite foaming fire preventing and heat insulating board made of peat 20%, Wingdale 10%, dry density weight 500kg/ cube.Heat conduction destiny 0.20(350 degree); Ultimate compression strength 10MPa; Combustionproperty A1 grade standard.
Embodiment 4: by the combined content of raw material be (weight percent) drift-sand 60%, the crystallite foaming fire preventing and heat insulating board made of peat 25%, Wingdale 15%, dry density weight 400kg/ cube.Heat conduction destiny 0.19(350 degree); Ultimate compression strength 6MPa; Combustionproperty A1 grade standard.
Embodiment 5: by the combined content of raw material be (weight percent) drift-sand 50%, the crystallite foaming fire preventing and heat insulating board made of peat 30%, Wingdale 20%, dry density weight 300kg/ cube.Heat conduction destiny 0.18(350 degree); Ultimate compression strength 4MPa; Combustionproperty A1 grade standard.
Claims (6)
1. one kind utilizes drift-sand and peat to produce crystallite foaming fire-retardant heat-insulation material, it is characterized in that: drift-sand, peat and Wingdale are prepared into small fine powder, be prepared into the small fine powder batch mixing of 500-700 object, then fine powder batch mixing is paved deposition firing in mould, eventually pass and fire that kiln is disposable integrally fires rear cooling forming.
2. utilize drift-sand and peat to produce crystallite foaming fire-retardant heat-insulation material as claimed in claim 1, it is characterized in that: be drift-sand 50-70%, peat 20-30%, Wingdale 10-20% by the weight percent of raw material.
3. utilize drift-sand and peat to produce a manufacture craft for crystallite foaming fire-retardant heat-insulation material, it is characterized in that production technique comprises following steps:
S1. raw material preparation:
1) microcrystal grain is prepared: raw material drift-sand is melting in glass melting furnace the molten slurry of drift-sand, glass melting temperature is at about 1500 ~ 1550 DEG C, flow out through glass melting furnace discharge port through the abundant fusings of some hours, homogenizing, stay-in-grade molten slurry, carry out Water Quenching, make microcrystal grain, then carry out gradation oven dry;
2) prepare peat particle: peat is carried out break process, dry and be broken into particle;
3) prepare Wingdale particle: raw limestone is carried out break process, dry and be broken into particle;
4) microcrystal grain made by drift-sand, peat particle and Wingdale particle are weighed by proportioning and are mixed into uniform compound, and be ground to the small fine powder of 500-700 object through mechanical disintegration grinding plant, it is more even that simultaneous grinding process makes raw material mix;
S2. cloth:
1) deposit in drift-sand, peat and limestone fines batch mixing loading material distributing machine;
2) drift-sand precipitated, peat and limestone fines batch mixing are located at by material distributing machine uniform spreading fire in mould;
3) pave firing drift-sand, peat and the limestone fines batch mixing that in mould, cloth is good;
S3. fire:
1) mould of firing of good for cloth drift-sand, peat and limestone fines batch mixing is sent into and fired kiln, heat to 1150 DEG C-1200 DEG C, continue 4-5 hour;
2) the crystallite foaming fire-retardant heat-insulation material baked is sent into cooling section naturally cooling in kiln, continue 18-24 hour;
S4. finished product processing: by cooled crystallite foaming fire-retardant heat-insulation material, be cut into engineering plate by engineering size.
4. utilize drift-sand and peat to produce the manufacturing process of crystallite foaming fire-retardant heat-insulation material as claimed in claim 3, it is characterized in that: the weight percent of microcrystal grain, peat and limestone fines batch mixing is crystallite fine powder 50-70%, peat fine powder 20-30%, limestone fines 10-20%.
5. the crystallite foaming fire preventing and heat insulating board of a manufacture craft production as claimed in claim 3, it is characterized in that: by the disposable crystallite foaming fire-retardant heat-insulation material plate integrally formed by a firing of microcrystal grain, peat and limestone fines mixing raw material, internal structure is cellular.
6. crystallite foaming fire preventing and heat insulating board as claimed in claim 5, is characterized in that: described plate body thickness is 3 ~ 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739067.7A CN104446596B (en) | 2014-12-08 | 2014-12-08 | Drift-sand and peat is utilized to produce the processing technology of crystallite foaming fire-retardant heat-insulation material |
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|---|---|---|---|
| CN201410739067.7A CN104446596B (en) | 2014-12-08 | 2014-12-08 | Drift-sand and peat is utilized to produce the processing technology of crystallite foaming fire-retardant heat-insulation material |
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| CN104446596A true CN104446596A (en) | 2015-03-25 |
| CN104446596B CN104446596B (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847025A (en) * | 2015-04-20 | 2015-08-19 | 宁夏黑金科技有限公司 | High-strength microcrystalline foaming fireproof heat insulation plate produced by attapulgites and white clay and production process of high-strength microcrystalline foaming fireproof heat insulation plate |
| CN106478001A (en) * | 2016-11-16 | 2017-03-08 | 古浪县兴达新型环保建材有限公司 | A kind of drift-sand is the production system of the aerated bricks of major ingredient |
| CN106588088A (en) * | 2016-11-08 | 2017-04-26 | 宁夏黑金新型建材有限公司 | Production technology for producing microcrystal foamed fireproof thermal-insulation board from oily sludge residues |
| CN106588076A (en) * | 2016-11-16 | 2017-04-26 | 古浪县兴达新型环保建材有限公司 | Manufacturing method for aerated brick with aeolian sand as main materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211922A (en) * | 2011-03-11 | 2011-10-12 | 马东升 | Ceramic brick prepared from aeolian sand |
| CN103342468A (en) * | 2013-06-28 | 2013-10-09 | 北京晶雅石科技有限公司 | Composite plate material of foam microcrystalline glass and pure microcrystalline glass and manufacturing method of composite plate material |
| CN103508726A (en) * | 2012-06-15 | 2014-01-15 | 咸阳陶瓷研究设计院 | Novel building thermal insulation material composition produced from drift-sand and preparation method thereof |
| CN104119050A (en) * | 2014-06-27 | 2014-10-29 | 合肥日新高温技术有限公司 | A heatproof thermally insulating brick |
-
2014
- 2014-12-08 CN CN201410739067.7A patent/CN104446596B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211922A (en) * | 2011-03-11 | 2011-10-12 | 马东升 | Ceramic brick prepared from aeolian sand |
| CN103508726A (en) * | 2012-06-15 | 2014-01-15 | 咸阳陶瓷研究设计院 | Novel building thermal insulation material composition produced from drift-sand and preparation method thereof |
| CN103342468A (en) * | 2013-06-28 | 2013-10-09 | 北京晶雅石科技有限公司 | Composite plate material of foam microcrystalline glass and pure microcrystalline glass and manufacturing method of composite plate material |
| CN104119050A (en) * | 2014-06-27 | 2014-10-29 | 合肥日新高温技术有限公司 | A heatproof thermally insulating brick |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847025A (en) * | 2015-04-20 | 2015-08-19 | 宁夏黑金科技有限公司 | High-strength microcrystalline foaming fireproof heat insulation plate produced by attapulgites and white clay and production process of high-strength microcrystalline foaming fireproof heat insulation plate |
| CN106588088A (en) * | 2016-11-08 | 2017-04-26 | 宁夏黑金新型建材有限公司 | Production technology for producing microcrystal foamed fireproof thermal-insulation board from oily sludge residues |
| CN106478001A (en) * | 2016-11-16 | 2017-03-08 | 古浪县兴达新型环保建材有限公司 | A kind of drift-sand is the production system of the aerated bricks of major ingredient |
| CN106588076A (en) * | 2016-11-16 | 2017-04-26 | 古浪县兴达新型环保建材有限公司 | Manufacturing method for aerated brick with aeolian sand as main materials |
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| CN104446596B (en) | 2016-06-29 |
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