CN100340521C - Carbide slag mud calcium silicate plate and its production process - Google Patents
Carbide slag mud calcium silicate plate and its production process Download PDFInfo
- Publication number
- CN100340521C CN100340521C CNB200610034425XA CN200610034425A CN100340521C CN 100340521 C CN100340521 C CN 100340521C CN B200610034425X A CNB200610034425X A CN B200610034425XA CN 200610034425 A CN200610034425 A CN 200610034425A CN 100340521 C CN100340521 C CN 100340521C
- Authority
- CN
- China
- Prior art keywords
- calcium silicate
- silicate plate
- carbide slag
- mud
- slag mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000378 calcium silicate Substances 0.000 title claims abstract description 25
- 229910052918 calcium silicate Inorganic materials 0.000 title claims abstract description 25
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000002893 slag Substances 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000005997 Calcium carbide Substances 0.000 claims abstract description 25
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000010425 asbestos Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 21
- 230000018044 dehydration Effects 0.000 claims description 9
- 238000006297 dehydration reaction Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 6
- 238000007688 edging Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000010453 quartz Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 230000002742 anti-folding effect Effects 0.000 description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a calcium carbide mud calcium silicate plate and a producing process thereof. The present invention is characterized in that the present invention comprises the following component proportion: 9-12% of asbestos, 3-4.5% of carton fiber, 3-5% of slaked lime, 32-40% of quartz powder, 20-30% of cement and 10-20% of calcium carbide mud (dry weight), wherein the calcium carbide mud is made into the calcium carbide slurry with the concentration of 19% to 20% by diluting and stirring, and the calcium carbide slurry comprises the following component proportion: 23.5% of combustion loss, 3.74% of SiO2, 0.45% of Fe2O3, 69.2% of CaO, 0.8% of MgO and 2.16% of Al2O3. The producing technology of the present invention comprises the particular steps: step a, preparing raw slurry; step b, forming flow slurry; step c, autoclave curing; step d, processing finished products. The calcium carbide mud calcium silicate plate produced by the technology component of the present invention has the advantages of excellent performance, environmental protection, etc.
Description
Technical field
The present invention relates to a kind of material of construction production technique, specifically is a kind of calcium silicate board and production technique thereof.
Background technology
Calcium silicate board is one of materials for wall important in the modern architecture, because of it has light density (1.05-1.25 gram/cubic centimetre), fire prevention (its combustionproperty reaches GB8624 and do not fire the A level), sound insulation is strong, advantages such as anticorrosion protection against the tide, intensity height (13-17 MPa), processing easily, construction is light, surfacing is attractive in appearance, in the various buildings in modern times, be used widely, as indoor partition wall, a wall, floor, furred ceiling, furniture etc.A large amount of former mineral substance and work material thereof are mainly adopted in existing calcium silicate board production, and as silica powder, slaked lime powder etc., in today that the mineral substance price constantly rises, so its production cost is higher, the market competitiveness is not strong, but also may have pollution problem.Have by adopting kaolin to replace most of or whole quartz sands and save cost, as application number is 96118115, the applying date is on April 16th, 1996, denomination of invention is the patent application of the manufacture method of kaolin fibre-reinforced calcium silicate board, it is characterized in that raw-material prescription is for (weight percent): contain in this siliceous material of asbestos 12-24 glass 0-3.5 paper pulp 0-3.5 calcareous material (wherein CaO content 60-70%) 15-25 siliceous material 50-70 (weight percent) kaolin 60-100 quartz sand or china clay 0-40 with the starting material of above-mentioned prescription through slurrying, copy and get moulding, make finished product behind the steam press maintenance.The calcium silicate board quality that this method is produced can not satisfy needs now, and outward appearance is fine and smooth inadequately attractive in appearance.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of excellent performance, cost is low and environmental protection, utilize calcium carbide mud to produce the production technique of calcium silicate board.
This carbide slag mud calcium silicate plate is to be made of following set of dispense ratio, asbestos 9%-12%, cardboard fiber 3%-4.5%, slaked lime 3%-5%, silica powder 32%-40%, cement 20-30%, calcium carbide mud (dry weight) 10-20%.
Described calcium carbide mud is through dilution, is stirred to the calcium carbide mud that concentration is 19%-20%, and calcium carbide mud composition proportion constitutes: loss on ignition 23.5%, SiO
23.74%, Fe
2O
30.45%, CaO69.2%, MgO0.8%, Al
2O
32.16%.
Its concrete technical process may further comprise the steps:
A. slip prepares: enter in the vertical impeller hollander after various starting material are prepared burden, measured and pull an oar;
B. stream slurry moulding: the even material loading of slip, through nature dehydration, vacuum dewater step by step, forming tube extrusion dehydration, cutting, check;
C. steam press maintenance: will go up the qualified slab of quality inspection among the step b through after the natural curing, and carry out the demoulding, and place autoclave steam-cured again, and form semifinished sheet;
D. finished product processing: semifinished sheet through comb formula drying machine drying, is got final product through edging, chamfering behind edging, chamfering or the sanded board face then again.
Pulp density is controlled at 18%-21% among the above-mentioned steps a.
Dehydration back material base moisture content is controlled at 31%-34% among the above-mentioned steps b.
Loosen again after the underproof material base of quality inspection reclaims among the above-mentioned steps b, and enter step a.
The natural curing time generally was controlled at more than 8 hours among the above-mentioned steps c, and the steam curing process parameter is for boosting constant voltage 12.5 hours, step-down 2.5 hours, pressure-controlling 1.0-1.1 MPa 3 hours.
The high-temperature zone temperature of dryer is controlled at 145-160 degree in summer among the above-mentioned steps d, winter the 165-185 degree, sheet material oven dry back water ratio is controlled in 10%.
The beneficial effect that the present invention adopts the solution of above-mentioned technology to reach is:
One, excellent performance, the quality product height; The physical and mechanical property of carbide slag mud calcium silicate plate of the present invention is:
Significant parameter one, laterally anti-folding 16.22 MPas of vertical anti-folding 11.38 MPas on average resist folding 13.8 MPa density 1.13 gram/cubic centimetre screw withdrawal forces 72 Newton/millimeter water ratio 8.4%
Significant parameter two, laterally anti-folding 20.08 MPas of vertical anti-folding 14.59 MPas on average resist folding 17.3 MPa density 1.21 gram/cubic centimetre screw withdrawal forces 84 Newton/millimeter water ratio 5.7%
Significant parameter three, laterally anti-folding 17.23 MPas of vertical anti-folding 12.52 MPas on average resist folding 14.8 MPa density 1.18 gram/cubic centimetre screw withdrawal forces 75 Newton/millimeter water ratio 6.6%
The physical and mechanical property index regulation of contrast building material industry standard JC/T564-2000 " fiber reinforced calcium silicate board " reaches better quality fully.Again because calcium carbide mud is fine and smooth and have better avidity, and calcium carbide mud is light blue, therefore the carbide slag mud calcium silicate plate quality of the present invention of producing under suitable batching is finer and smoother, and visual effect is better.
Two, environmental protection: compare with calcium silicate board commonly used, carbide slag mud calcium silicate plate makes full use of chemical industry and produces waste residue---the calcium carbide mud that polyvinyl chloride is cleared up the calcium carbide discharging, gathering materials on the spot turns waste into wealth, and has reduced the raw ore material consumption, meets current environmental protection and saving requirement.
Embodiment
This carbide slag mud calcium silicate plate is to be made of following set of dispense ratio, 90 kilograms in asbestos, 30 kilograms of cardboard fibers, 30 kilograms of slaked limes, 275 kilograms of silica powders, 200 kilograms of Portland cements, 580 kilograms in calcium carbide mud (115 kilograms of dry weights), materials amount to 740 kilograms, and calcium carbide mud accounts for 15.54%.
Described calcium carbide mud be the chemical plant when producing polyvinyl chloride or acetylene generating station clear up the waste residue of calcium carbide discharging, in stirred pot, evenly stir during use, controlling concn is at 19%-20%.Calcium carbide mud is made of following composition proportion: loss on ignition 23.5%, SiO
23.74%, Fe
2O
30.45%, Cao69.2%, MgO0.8%, Al
2O
32.16%.
Can add 50 kilograms of waste materials of producing the backwater post precipitations in the above-mentioned batching, or 30 kilograms of fine powders behind the sheet material sanding surface etc.
Its concrete technical process may further comprise the steps:
A, slip prepare: enter in the vertical impeller hollander after various starting material are prepared burden, measured and pull an oar;
B, the moulding of stream slurry: the even material loading of slip, through nature dehydration, vacuum dewater step by step, forming tube extrusion dehydration, cutting, check;
C, steam press maintenance: will go up the qualified slab of quality inspection among the step b through after the natural curing, and carry out the demoulding, and place autoclave steam-cured again, and form semifinished sheet;
D, finished product processing: semifinished sheet through comb formula drying machine drying, is got final product through edging, chamfering behind edging, chamfering or the sanded board face then again.
Pulp density is controlled at 18%-21% among the above-mentioned steps a.
Dehydration back material base moisture content is controlled at 31%-34% among the above-mentioned steps b.
Loosen again after the underproof material base of quality inspection reclaims among the above-mentioned steps b, and enter step a.
The natural curing time generally was controlled at more than 8 hours among the above-mentioned steps c, and the steam curing process parameter is for boosting constant voltage 12.5 hours, step-down 2.5 hours, pressure-controlling 1.0-1.1 MPa 3 hours.
The high-temperature zone temperature of dryer is controlled at 145-160 degree in summer among the above-mentioned steps d, winter the 165-185 degree, sheet material oven dry back water ratio is controlled in 10%.
Above-mentioned batching also can adopt other combination, as 85 kilograms in asbestos, 32 kilograms of paper fibers, 272 kilograms of silica powders, 200 kilograms of Portland cements, 660 kilograms in calcium carbide mud (128 kilograms of dry weights), materials amount to 717 kilograms, and this proportioning is asbestos 11.85%, paper fiber 4.46%, silica powder 37.94%, cement 27.89%, calcium carbide mud 17.85%.
Claims (7)
1, a kind of carbide slag mud calcium silicate plate, it is characterized in that, it is made of following set of dispense ratio, this carbide slag mud calcium silicate plate is to be made of following set of dispense ratio, asbestos 9%-12%, cardboard fiber 3%-4.5%, slaked lime 3%-5%, silica powder 32%-40%, cement 20-30%, calcium carbide mud (dry weight) 10-20%.
2, a kind of carbide slag mud calcium silicate plate according to claim 1 is characterized in that, described calcium carbide mud is through dilution, is stirred to the calcium carbide mud that concentration is 19%-20%, is made of following set of dispense ratio: loss on ignition 23.5%, SiO
23.74%, Fe
2O
30.45%, CaO69.2%, MgO0.8%, Al
2O
32.16%.
3, a kind of production technique of making the described carbide slag mud calcium silicate plate of claim 1 is characterized in that, its production technique concrete steps:
A. slip prepares: enter in the vertical impeller hollander after various starting material are prepared burden, measured and pull an oar;
B. stream slurry moulding: the even material loading of slip, through nature dehydration, vacuum dewater step by step, forming tube extrusion dehydration, cutting, check;
C. steam press maintenance: will go up the qualified slab of quality inspection among the step b through after the natural curing, and carry out the demoulding, and place autoclave steam-cured again, and form semifinished sheet;
D. finished product processing: semifinished sheet through comb formula drying machine drying, is got final product through edging, chamfering behind edging, chamfering or the sanded board face then again.
4, the production technique of a kind of carbide slag mud calcium silicate plate according to claim 3 is characterized in that, among the described above-mentioned steps a, pulp density is controlled at 18%-21%.
5, the production technique of a kind of carbide slag mud calcium silicate plate according to claim 3 is characterized in that, among the described above-mentioned steps b, dehydration back slab moisture content is controlled at 31%-34%.
6, the production technique of a kind of carbide slag mud calcium silicate plate according to claim 3 is characterized in that, among the described above-mentioned steps c, the steam curing process parameter is for evenly boosting constant voltage 12.5 hours, step-down 2.5 hours, pressure 1.0-1.1 MPa 3 hours.
7, the production technique of a kind of carbide slag mud calcium silicate plate according to claim 3 is characterized in that, among the described above-mentioned steps d, the high-temperature area temperature of oven dry is controlled at 145-165 degree in summer, winter the 165-185 degree, the sheet material water ratio is in 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610034425XA CN100340521C (en) | 2006-03-21 | 2006-03-21 | Carbide slag mud calcium silicate plate and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610034425XA CN100340521C (en) | 2006-03-21 | 2006-03-21 | Carbide slag mud calcium silicate plate and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1830881A CN1830881A (en) | 2006-09-13 |
| CN100340521C true CN100340521C (en) | 2007-10-03 |
Family
ID=36993407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610034425XA Expired - Fee Related CN100340521C (en) | 2006-03-21 | 2006-03-21 | Carbide slag mud calcium silicate plate and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100340521C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948283A (en) * | 2010-09-07 | 2011-01-19 | 济南大学 | Silico-calcium composite architectural decorative plate for carving |
| CN101979355B (en) * | 2010-10-07 | 2012-07-25 | 宜春市金特建材实业有限公司 | Composite fiber calcium silicate board and preparation method thereof |
| CN102924000B (en) * | 2012-11-07 | 2014-06-18 | 三明市金宫硅酸钙板有限公司 | Method utilizing industrial waste to prepare non-asbestos calcium silicate board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139085A (en) * | 1996-04-16 | 1997-01-01 | 江西利达新型建筑材料有限公司 | Production process of kaolin fibre-reinforced calcium silicate board |
| CN1408671A (en) * | 2002-10-11 | 2003-04-09 | 莱州祥云防火隔热材料有限公司 | Process for producing high temperature resistant, high strength and high density calcium silicate plate |
-
2006
- 2006-03-21 CN CNB200610034425XA patent/CN100340521C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139085A (en) * | 1996-04-16 | 1997-01-01 | 江西利达新型建筑材料有限公司 | Production process of kaolin fibre-reinforced calcium silicate board |
| CN1408671A (en) * | 2002-10-11 | 2003-04-09 | 莱州祥云防火隔热材料有限公司 | Process for producing high temperature resistant, high strength and high density calcium silicate plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1830881A (en) | 2006-09-13 |
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Address after: 529367 No. 108, red Creek Road, Chikan Town, Guangdong, Kaiping Patentee after: GUANGDONG SOBEN GREEN NEW MATERIAL CO., LTD. Address before: 529367 No. 108, red Creek Road, Chikan Town, Guangdong, Kaiping Patentee before: Guangdong Soben Green Board Co., Ltd. |
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