CN102992712A - Method for preparing light thermal insulating panel by utilizing iron tailings - Google Patents
Method for preparing light thermal insulating panel by utilizing iron tailings Download PDFInfo
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- CN102992712A CN102992712A CN2012104617478A CN201210461747A CN102992712A CN 102992712 A CN102992712 A CN 102992712A CN 2012104617478 A CN2012104617478 A CN 2012104617478A CN 201210461747 A CN201210461747 A CN 201210461747A CN 102992712 A CN102992712 A CN 102992712A
- Authority
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- Prior art keywords
- iron tailings
- mould
- water
- cement
- sheet material
- 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.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004568 cement Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000003638 reducing agent Substances 0.000 claims abstract description 10
- 235000019362 perlite Nutrition 0.000 claims abstract description 7
- 239000010451 perlite Substances 0.000 claims abstract description 7
- 238000005187 foaming Methods 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 11
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 abstract description 2
- 239000004088 foaming agent Substances 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 10
- 238000009413 insulation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 241000132536 Cirsium Species 0.000 description 1
- 210000002356 Skeleton Anatomy 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910001748 carbonate mineral Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000011031 large scale production Methods 0.000 description 1
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
Abstract
The invention relates to a method for preparing a light thermal insulating panel by utilizing iron tailings. The method is characterized by comprising the preparation process of: (1) preparing a mixture: grinding the iron tailings, and screening out the iron tailings with the grain sizes being more than 30 meshes, mixing and stirring, based on parts by weight, 1 part of cement, 0.5-1.5 parts of iron tailings, 0.05-0.5 part of closed cell perlite, 0.013-0.6 part of glass fibers, 0.005-0.04 part of water reducer, 0.01-0.04 part of early strength agent and 0.5-1.5 part of water for later use; (2) adding water into a foaming agent accounting for 0.5%-2.5% of cement to prepare a foaming agent water solution, foaming by an air compressor to prepare foams, adding the foams into slurry according to the unit weight of the step (1), mixing uniformly to prepare the slurry; (3) spreading fiber gridding cloth in a mould, and casting the slurry prepared by the step (2) into the mould; and (4) removing the mould and maintaining to obtain the light thermal insulating panel provided by the invention. The method has the advantages that the utilization ratio of the iron tailings reaches up to be more than 50%; and as a large quantity of iron tailings are added, the cost is low, the energy resources are saved, the environmental protection is facilitated, and the social benefits are good.
Description
Technical field
The invention belongs to solid waste and utilize technical field, relate in particular to a kind of method of utilizing iron tailings to make insulating light wall sheet material.
Background technology
Cold winter, extremely hot summer, indoor/outdoor temperature-difference is very large, and the temperature in the buildings is altered a great deal by external environment influence, and the material requirements of therefore building roofing, body of wall being adopted will have good thermal and insulating performance.General building roofing and body of wall adopt Aerated Concrete, hollow brick, perlite, cement block to fill out block usually; Also have to adopt outside outer within the walls centre to fill out the method for building the benzene plate, or make skeleton with the steel bundle and pack the benzene plate, smear again cement and build the method that fills.Above-mentioned materials exists in construction that materials are many, construction is numerous and diverse, heat insulation effect is poor, adopts the benzene panel material to have intensity difference, do not prevent fires and sand-cement slurry affinity not, the shortcoming such as easily cracks, come off.
Along with development of construction, building energy conservation needs a large amount of novel wall materials to replace traditional walling.External-wall heat-insulation material mostly uses such as organic materialss such as benzene plate, extruded sheets now.Take the benzene plate as example, its life-span is 12-15, and the life-span of cement is 50-70 at present.Buildings needs to change once or twice thermal insulation layer in working life in other words, so not only increases building cost, and also there are the safety problems such as inflammable, pollution in the organic heat-insulating layer, so replace the organic materials development trend that is inevitable with inorganic materials.
Mainly by silicate, aluminosilicate, carbonate minerals and micro-mineral composition, chemical ingredients is with SiO for the mine iron tailings
2, Al
2O
3, CaO, MgO, Fe
2O
3,K
2O, Na
2O is main.Be the important raw mineral materials of building, pottery, glass industry, so utilize a kind of novel light sheet material of iron tailings development research, be significant for the innovation that promotes China's materials for wall and the comprehensive utilization of mine tailing.Through for many years development of materials for wall, the road of many kinds, multi-functional development has been gone in the materials for wall industry of China, begun to take shape take brick, piece, plate as main walling system, such as concrete hollow block, Thistle board, fibrocement sandwich panel etc.Chinese patent 200910023625.9 discloses a kind of preparation technology of iron tailing sintered porous heat insulation board, this technique is with after shale and the iron tailings fragmentation, adding by a certain percentage toughner, solubility promoter and whipping agent in shale and iron tailings mixes, send into mix in the mixer after, add water balling-up granulation, after the seasoning 24 hours, again raw material ball is distributed in the mould of cleaning and spraying releasing agent equably by material distributing machine, then the unsettled kiln of putting into of mould is burnt till, cooling down is stacked finished product after the cooled sheet material demoulding at last.Above-mentioned complex process, and the utilization ratio of mine tailing is lower.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, provide the method that a kind of technique is simple, iron tailings utilizes iron tailings making insulating light wall sheet material, to prepare the good insulating light wall sheet material of even air hole distribution, ultimate compression strength height and thermal and insulating performance.For achieving the above object, the present invention realizes by the following technical solutions:
Method of making insulating light wall sheet material with iron tailings of the present invention is characterized in that preparation process is:
(1) preparation compound:
Iron tailings is ground and screen out particle diameter greater than the particle more than 30 orders, and press mass parts with 1 part of cement, iron tailings 0.5-1.5 part, closed perlite 0.05-0.5 part, glass fibre 0.013-0.6 part, water reducer 0.005-0.04, stand-by behind hardening accelerator 0.01-0.04 part and the water 0.5-1.5 part mix and blend;
(2) whipping agent is added the water producing foamed agent aqueous solution by 0.5%-2% of cement quality, after the air compressor foaming, make foam, the unit weight by step (1) joins foam in the slip, mixes and makes slip;
(3) in mould, lay fibrous mesh cloth, the slip that makes in the step 2 is poured in the mould;
(4) form removal namely makes wallboard material of the present invention after maintenance.
Described water reducer is naphthalene water reducer or polycarboxylate dehydragent, and the effect of its water reducer is to significantly improve insulated wall sheet material intensity, improves the frost resistance of insulated wall sheet material, the consumption of impermeability or minimizing cement.
Described hardening accelerator is vitriol hardening accelerator, and the Main Function of its hardening accelerator is to accelerate hydrated cementitious speed, promotes the development of insulated wall sheet material early strength.
Compared with prior art, advantage of the present invention is:
1, iron ore mine utilization ratio of the present invention can reach more than 50 % and since a large amount of admixtures iron tailings, so with low cost, save energy economizes on resources, is beneficial to environmental protection, has good social benefit;
2, adopt foam process, can effectively control the volume density of sheet material and size and the distribution of pore according to the addition of whipping agent;
3, prepared insulating light wall sheet material, area density 385kg/ ㎡; Resistivity against fire: 〉=2.5h; Freeze thawing: 50 freeze-thaw cycle flawlesses; Shock resistance: 30kg sand.Can satisfy the different areas building requirements, with the same life-span of buildings, have good economic benefit and social benefit; 4, technique is simple, and is with low cost, is fit to industrial production.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1:
A kind of method of utilizing iron tailings to make insulating light wall sheet material is characterized in that preparation process is:
(1) preparation compound:
Iron tailings is ground and screen out particle diameter greater than the particle more than 30 orders, and press mass parts with 1 part of cement, iron tailings 0.5-1.5 part, closed perlite 0.05-0.5 part, glass fibre 0.013-0.6 part, naphthalene water reducer 0.005-0.04, stand-by behind vitriol hardening accelerator 0.01-0.04 part and the water 0.5-1.5 part mix and blend;
(2) whipping agent is added the water producing foamed agent aqueous solution by 0.01 part of cement quality, after the air compressor foaming, make foam, the unit weight by step (1) joins foam in the slip, mixes and makes slip;
(3) in mould, lay fibrous mesh cloth, the slip that makes in the step 2 is poured in the mould;
(4) form removal namely makes wallboard material of the present invention after maintenance.
The plate property of making is as follows:
Area density 385kg/ ㎡; Resistivity against fire: 〉=2.5h; Freeze thawing: 50 freeze-thaw cycle flawlesses; Shock resistance: 30kg sand.
Embodiment 2:
(1) iron tailings must be screened out particle diameter greater than the particle more than 30 orders, and with 1 part of cement, 0.9 part of iron tailings, 0.21 part of closed perlite, 0. 17 parts in glass fibre adds polycarboxylate dehydragent 0.01 by above-mentioned mass parts, and is stand-by behind 0.025 part of vitriol hardening accelerator and 1 part of mix and blend of water;
(2) whipping agent is added the water producing foamed agent aqueous solution by 0.01 part of cement quality, after the air compressor foaming, make foam, the unit weight by step (1) joins foam in the slip, mixes and makes slip.Other step is with embodiment 1.
Bag impacts 10 times, not delamination, do not peel off, without connecting broken face density 310kg/ ㎡; Resistivity against fire: 〉=2.5h; Freeze thawing: 50 freeze-thaw cycle flawlesses; Shock resistance: the 30kg sand pocket impacts 10 times, not delamination, do not peel off, without through crack.
Because iron tailings of the present invention has passed through grinding in its production process, the grade of formation is comparatively continuous, and size is moderate.It is joined in the sheet material of the present invention, because its particle is less, suspension is good, can not produce demixing phenomenon, because it has good continuous grading and micro aggregate effect, can form fine and close hole wall structure with hydrolysis product of cement again, so can make sheet material of the present invention produce higher intensity, and the reduction water-intake rate, anti-freezing property is good.
The present invention relates to a kind of method of utilizing iron tailings to make insulating light wall sheet material.It is characterized in that preparation process is: (1) preparation compound: iron tailings is ground and screen out particle diameter greater than the particle more than 30 orders, and press mass parts with 1 part of cement, iron tailings 0.5-1.5 part, closed perlite 0.05-0.5 part, glass fibre 0.013-0.6 part, naphthalene water reducer 0.005-0.04, stand-by behind vitriol hardening accelerator 0.01-0.04 part and the water 0.5-1.5 part mix and blend;
(2) whipping agent is added the water producing foamed agent aqueous solution by 0.01 part of cement quality, after the air compressor foaming, make foam, the unit weight by step (1) joins foam in the slip, mixes and makes slip;
(3) in mould, lay fibrous mesh cloth, the slip that makes in the step 2 is poured in the mould;
(4) form removal namely makes wallboard material of the present invention after maintenance.
It is simple that advantage has provided technique, with low cost, is beneficial to environmental protection, is fit to large-scale production.Satisfy the different areas building requirements, good economic and social benefit is arranged.
Claims (3)
1. method of making insulating light wall sheet material with iron tailings is characterized in that preparation process is:
(1) preparation compound:
Iron tailings is ground and screen out particle diameter greater than the particle more than 30 orders, and press mass parts with 1 part of cement, iron tailings 0.5-1.5 part, closed perlite 0.05-0.5 part, glass fibre 0.013-0.6 part, water reducer 0.005-0.04, stand-by behind hardening accelerator 0.01-0.04 part and the water 0.5-1.5 part mix and blend;
(2) whipping agent is added the water producing foamed agent aqueous solution by 0.5%-2% of cement quality, after the air compressor foaming, make foam, the unit weight by step (1) joins foam in the slip, mixes and makes slip;
(3) in mould, lay fibrous mesh cloth, the slip that makes in the step 2 is poured in the mould;
(4) form removal namely makes wallboard material of the present invention after maintenance.
2. method of making insulating light wall sheet material with iron tailings according to claim 1 is characterized in that described water reducer is naphthalene water reducer or polycarboxylate dehydragent.
3. method of making insulating light wall sheet material with iron tailings according to claim 1 is characterized in that described hardening accelerator is vitriol hardening accelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104617478A CN102992712A (en) | 2012-11-16 | 2012-11-16 | Method for preparing light thermal insulating panel by utilizing iron tailings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104617478A CN102992712A (en) | 2012-11-16 | 2012-11-16 | Method for preparing light thermal insulating panel by utilizing iron tailings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102992712A true CN102992712A (en) | 2013-03-27 |
Family
ID=47921901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104617478A Pending CN102992712A (en) | 2012-11-16 | 2012-11-16 | Method for preparing light thermal insulating panel by utilizing iron tailings |
Country Status (1)
| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743975A (en) * | 2015-03-09 | 2015-07-01 | 中国十七冶集团有限公司 | Iron tailing super-fine sand concrete |
| CN105236934A (en) * | 2015-11-13 | 2016-01-13 | 广西壮族自治区建筑材料科学研究设计院 | High-strength heat preservation sintering building block made of iron tailings and production process of high-strength heat preservation sintering building block |
| CN106193346A (en) * | 2016-07-08 | 2016-12-07 | 中国冶金矿业长春矿产资源开发有限公司 | Iron ore mine foam concrete composite insulation boards and manufacture method |
| CN108166697A (en) * | 2018-01-08 | 2018-06-15 | 北京工业大学 | A kind of method that one step sintering of iron tailings prepares heat insulation decoration integrated plate |
| CN109437772A (en) * | 2018-12-29 | 2019-03-08 | 宝鸡市金得利新材料有限公司 | A kind of composite heat insulatant thermal insulation material and preparation method thereof |
| CN110526621A (en) * | 2019-09-23 | 2019-12-03 | 唐山学院 | A kind of tailings sand stone concrete macrotype wallboard and preparation method |
| CN113185257A (en) * | 2021-03-31 | 2021-07-30 | 太原理工大学 | Solid waste regeneration foamed ceramic material for heat insulation wall and preparation method thereof |
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|---|---|---|---|---|
| CN1131716A (en) * | 1995-03-22 | 1996-09-25 | 蒋里军 | Micro-porosity multi-hole building block and plate made from industrial solid waste material |
| WO2002047900A1 (en) * | 2000-12-15 | 2002-06-20 | Balmoral Technologies (Pty) Limited | Method of making a fire resistant building panel |
| CN1532169A (en) * | 2003-03-20 | 2004-09-29 | 吕洪彦 | Green environment protection ligh wall material |
| CN101870138A (en) * | 2010-06-12 | 2010-10-27 | 王�琦 | Preparation method for manufacturing building board by utilizing mine tailing residue |
| CN102765959A (en) * | 2011-05-05 | 2012-11-07 | 江海红 | Energy storage energy-efficient foam gypsum cement composite material and preparation method thereof |
-
2012
- 2012-11-16 CN CN2012104617478A patent/CN102992712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131716A (en) * | 1995-03-22 | 1996-09-25 | 蒋里军 | Micro-porosity multi-hole building block and plate made from industrial solid waste material |
| WO2002047900A1 (en) * | 2000-12-15 | 2002-06-20 | Balmoral Technologies (Pty) Limited | Method of making a fire resistant building panel |
| CN1532169A (en) * | 2003-03-20 | 2004-09-29 | 吕洪彦 | Green environment protection ligh wall material |
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| CN102765959A (en) * | 2011-05-05 | 2012-11-07 | 江海红 | Energy storage energy-efficient foam gypsum cement composite material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743975A (en) * | 2015-03-09 | 2015-07-01 | 中国十七冶集团有限公司 | Iron tailing super-fine sand concrete |
| CN105236934A (en) * | 2015-11-13 | 2016-01-13 | 广西壮族自治区建筑材料科学研究设计院 | High-strength heat preservation sintering building block made of iron tailings and production process of high-strength heat preservation sintering building block |
| CN106193346A (en) * | 2016-07-08 | 2016-12-07 | 中国冶金矿业长春矿产资源开发有限公司 | Iron ore mine foam concrete composite insulation boards and manufacture method |
| CN108166697A (en) * | 2018-01-08 | 2018-06-15 | 北京工业大学 | A kind of method that one step sintering of iron tailings prepares heat insulation decoration integrated plate |
| CN109437772A (en) * | 2018-12-29 | 2019-03-08 | 宝鸡市金得利新材料有限公司 | A kind of composite heat insulatant thermal insulation material and preparation method thereof |
| CN110526621A (en) * | 2019-09-23 | 2019-12-03 | 唐山学院 | A kind of tailings sand stone concrete macrotype wallboard and preparation method |
| CN113185257A (en) * | 2021-03-31 | 2021-07-30 | 太原理工大学 | Solid waste regeneration foamed ceramic material for heat insulation wall and preparation method thereof |
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Application publication date: 20130327 |