CN103242000A - Method for manufacturing waterproof heat-preservation heat-insulation building material by utilizing renewable recourse - Google Patents
Method for manufacturing waterproof heat-preservation heat-insulation building material by utilizing renewable recourse Download PDFInfo
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- CN103242000A CN103242000A CN2013101615422A CN201310161542A CN103242000A CN 103242000 A CN103242000 A CN 103242000A CN 2013101615422 A CN2013101615422 A CN 2013101615422A CN 201310161542 A CN201310161542 A CN 201310161542A CN 103242000 A CN103242000 A CN 103242000A
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- Prior art keywords
- stearic acid
- water
- air entrapment
- cement
- entrapment agent
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- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004566 building material Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 238000004321 preservation Methods 0.000 title abstract 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 239000006260 foam Substances 0.000 claims abstract description 31
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 29
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 29
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000008117 stearic acid Substances 0.000 claims abstract description 29
- 229920006389 polyphenyl polymer Polymers 0.000 claims abstract description 25
- 239000004568 cement Substances 0.000 claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000005469 granulation Methods 0.000 claims abstract description 5
- 230000003179 granulation Effects 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 24
- 239000010881 fly ash Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 16
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 11
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 11
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 11
- 229910000278 bentonite Inorganic materials 0.000 claims description 11
- 239000000440 bentonite Substances 0.000 claims description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 11
- 239000011575 calcium Substances 0.000 claims description 11
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 229920000426 Microplastic Polymers 0.000 abstract 2
- 239000010883 coal ash Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000010882 bottom ash Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004576 sand Substances 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)
- Building Environments (AREA)
Abstract
The invention relates to a method for manufacturing a waterproof heat-preservation heat-insulation building material by utilizing a renewable recourse and belongs to the technical field of novel building engineering materials and environment engineering. According to the method, a non-sintered light-weight ceramsite is manufactured from an air-entraining agent, waste polyphenyl foam plastic granules, deposited coal ash, or other industrial residue powder (such as mineral powder, furnace bottom ash, and the like) and cement through material blending, mist spray, stirring and granulation; and the light-weight ceramsite is mixed with the cement, the deposited coal ash, the foam plastic granules and a stearic acid emulsion in proportion, and the mixture is stirred and formed to prepare various light-weight building material products. The method for manufacturing the waterproof heat-preservation heat-insulation building material by utilizing the renewable recourse, which is disclosed by the invention, has the advantages of convenience in construction, easiness for quality guarantee, low cost and energy and resource conservation; and the building material products manufactured through the method can be used as roof heat-preservation heat-insulation materials, are paved in a construction field, achieves the effects of the high speed, the good quality, the labor conservation and the civilized construction and have the advantages of sound insulation, waterproofing, nailability and sawability.
Description
Ji Shu Collar territory
The present invention relates to a kind of method of utilizing renewable resource to make the water-proof heat insulation building materials, belong to novel building engineering materials and Gong journey Ji Shu Collar territory, Huan border.
Background technology
Fly ash deposition current domestic and other industrial wastes hundreds of millions of tons of contaminated land, pollution of water resources, windy Young sand and air pollution is a major source of environmental pollution; recent white trash (such as polystyrene packaging materials ) is becoming more and more; how to effectively deal with these wastes into beneficial green resources, China 12.One of important topic of 5 planning.How the materials for wall that China is current builds by laying bricks or stones with air-entrained concrete building block, during this building block external wall plastering, nail on Tie Silk net, could hang up wall plastering, and the time grown and be easy to Stripping and fall, non-watertight again; The cast-in-place lightweight aggregate concrete of room Top heat preserving and insulating material Bian, the cost height, and only be incubated non-watertight; Cast-in-place construction was both taken a lot of work, and quality is difficult for again guaranteeing; Many residential housings often use plasterboard to be partition plate, easily buckling deformation.The objective of the invention is to utilize these trade wastes and domestic refuse is main resource, produces a kind of both heat insulatings, again the light weight building materials and products of waterproof.
Summary of the invention
The objective of the invention is to propose a kind of method of utilizing renewable resource to make the water-proof heat insulation building materials, utilizing trade waste and domestic refuse is main resource, produce a kind of both heat insulatings, lightweight heat-proof sheet material, holllow building block and the light cellular partition board of waterproof again are to be used for construction work.
The renewable resource of utilizing that the present invention proposes are made the method for water-proof heat insulation building materials, may further comprise the steps:
(1) with discarded polyphenyl foam, pass through pulverizer, being broken into particle diameter is the polyphenyl foam particle of 5-10 millimeter, gained polyphenyl foam particle is mixed mutually with cement, flyash, and the quality of mixing is: polyphenyl foam particle: cement: the heavy flyash of pouring=(0.012-0.015): (0.7-0.9): 1;
(2) sodium lauryl sulphate is mixed with calcium type bentonite, the quality of mixing is: sodium lauryl sulphate: calcium type bentonite=1:(0.3-0.35), prepare air entrapment agent;
(3) mix the air entrapment agent of step (2) in the mixture of step (1), the mixed ratio of air entrapment agent is 0.2 ‰-0.3 ‰, stirs jointly 3-5 minute, and the balling-up granulation is incubated, heat insulation light ceramic;
(4) light ceramic, cement, flyash, polyphenyl foam particle, air entrapment agent and water are mixed, the mass ratio that mixes is: light ceramic: cement: flyash: polyphenyl foam particle: air entrapment agent: water=1:(0.5-0.6): (0.6-0.7): (0.02-0.03): (0.2 ‰-0.3 ‰): (0.3-0.4), stirred 3-4 minute, and obtained light weight concrete;
(5) light weight concrete in step (4) adds the stearic acid emulsion, and the mass ratio of adding is: light weight concrete: stearic acid emulsion=1:(0.03-0.04), stirred 2-3 minute is shaped as difform water-proof heat insulation building materials.
In the aforesaid method, the preparation method of air entrapment agent is: be 1:(0.3-0.35 with calcium type bentonite by mass ratio with sodium lauryl sulphate) evenly mix, prepare the powdery air entrapment agent.
In the aforesaid method, the preparation method of stearic acid emulsion is: stearic acid is mixed with water, the mass ratio that mixes is: stearic acid: water=1:(300-350), stir Rong Solution 80 ℃-85 ℃ temperature, splash into the ammoniacal liquor and the triethanolamine that respectively account for stearic acid weight 1/3-1/5 more successively, obtain the stearic acid emulsion.
The renewable resource of utilizing that the present invention proposes are made the method for water-proof heat insulation building materials, and its advantage is:
1, the method for utilizing renewable resource to make the water-proof heat insulation building materials of the present invention, easy construction is easy to ensure the quality of products, and cost is low, and saves the energy and resource, reaches low-carbon (LC), green and environmental protection requirement.
2, the building material made of the water-proof heat insulation of the inventive method manufacturing can be used as the roof heat insulation lagging material, mats formation in Shi worker Now field, and speed is fast, and quality is good, reaches laborsavingization and civilized construction.
3, the building material made of the water-proof heat insulation made of the inventive method has advantages such as the high Strong degree of waterproof light, if with it as outer wall body, it is bright and clean smooth that back wall is finished in construction, can plaster; Plaster as need, the building block side can be made concavo-convex lines ， Hui Pulp and directly be sticked in block surfaces, can not fall by Stripping; And the hydrophobic waterproof, suitable southern building demand; If as partition plate, can be used for toilet partition wall or indoor partition wall, the waterproof that both insulated against sound can be followed closely again and can be sawed.
Embodiment
The renewable resource of utilizing that the present invention proposes are made the method for water-proof heat insulation building materials, may further comprise the steps:
(1) with discarded polyphenyl foam, pass through pulverizer, being broken into particle diameter is the polyphenyl foam particle of 5-10 millimeter, gained polyphenyl foam particle is mixed mutually with cement, flyash, and the quality of mixing is: polyphenyl foam particle: cement: the heavy flyash of pouring=(0.012-0.015): (0.7-0.9): 1;
(2) sodium lauryl sulphate is mixed with calcium type bentonite, the quality of mixing is: sodium lauryl sulphate: calcium type bentonite=1:(0.3-0.35), prepare air entrapment agent;
(3) mix the air entrapment agent of step (2) in the mixture of step (1), the mixed ratio of air entrapment agent is 0.2 ‰-0.3 ‰, stirs jointly 3-5 minute, and the balling-up granulation is incubated, heat insulation light ceramic;
(4) light ceramic, cement, flyash, polyphenyl foam particle, air entrapment agent and water are mixed, the mass ratio that mixes is: light ceramic: cement: flyash: polyphenyl foam particle: air entrapment agent: water=1:(0.5-0.6): (0.6-0.7): (0.02-0.03): (0.2 ‰-0.3 ‰): (0.3-0.4), stirred 3-4 minute, and obtained light weight concrete;
(5) light weight concrete in step (4) adds the stearic acid emulsion, and the mass ratio of adding is: light weight concrete: stearic acid emulsion=1:(0.03-0.04), stirred 2-3 minute is shaped as difform water-proof heat insulation building materials.
In the aforesaid method, the preparation method of air entrapment agent is: be 1:(0.3-0.35 with calcium type bentonite by mass ratio with sodium lauryl sulphate) evenly mix, prepare the powdery air entrapment agent.
In the aforesaid method, the preparation method of stearic acid emulsion is: stearic acid is mixed with water, the mass ratio that mixes is: stearic acid: water=1:(300-350), stir Rong Solution 80 ℃-85 ℃ temperature, splash into the ammoniacal liquor and the triethanolamine that respectively account for stearic acid weight 1/3-1/5 more successively, obtain the stearic acid emulsion.
Below introduce the embodiment of the inventive method:
Embodiment 1
(1) with discarded polyphenyl foam, pass through pulverizer, being broken into particle diameter is the polyphenyl foam particle of 6 millimeter, gained polyphenyl foam particle is mixed mutually with cement, flyash, and the mass ratio of mixing is: polyphenyl foam particle: cement: deposition flyash=0.013:0.9:1;
(2) commercially available sodium lauryl sulphate is mixed with commercially available calcium type bentonite, the quality of mixing is: sodium lauryl sulphate: calcium type bentonite=1:0.31 prepares air entrapment agent;
(3) mix the air entrapment agent of step (2) in the mixture of step (1), the mixed ratio of air entrapment agent is 0.25 ‰, stirs jointly 5 minutes, and the balling-up granulation is incubated, heat insulation light ceramic, and its unit weight is 400-500kg/m3;
(4) light ceramic, cement, flyash, polyphenyl foam particle, air entrapment agent and water are mixed, the mass ratio that mixes is: light ceramic: cement: flyash: polyphenyl foam particle: air entrapment agent: water=1:0.5:0.6:0.021:0.3 ‰: 0.35, stirred 4 minutes, and obtained light weight concrete;
(5) add the stearic acid emulsion in the light weight concrete of step (4), the mass ratio of adding is: light weight concrete: stearic acid emulsion=1:0.031, stirred 2 minutes, and be shaped to the thermal insulation waterproof board material.This sheet material is placed on maintenance in the solar energy curing canopy, after 24 hours, carries out compression tests, intensity can reach 2-3Mpa, and when depositing the 28 day length of time, ultimate compression strength reaches 4-5Mpa.The unit weight of sheet material is about 850 kilograms/cubic metre, can swim in waterborne.
Stearic acid emulsion in the present embodiment, be that commercially available stearic acid is mixed with water, the mass ratio of mixing is: stearic acid: water=1:320, stirring and dissolving under 85 ℃ temperature, splash into the ammoniacal liquor and the triethanolamine that respectively account for stearic acid weight 1/4 more successively, obtain the stearic acid emulsion.
Embodiment 2
Prepare the high Strong degree of lightweight concrete about unit weight 900kg/m3 by the present invention; As block material; The Zhi amount of the high Strong degree of lightweight component materials of concrete is such as following:
Light ceramic: cement: deposition flyash: foam grain: air entrapment agent: water: emulsion=1.0:0.55:0.7:0.025:0.25 ‰: 0.40:0.09.With the cement in the above-mentioned batching, deposition flyash is poured in the stirrer, stirs 1 minute, pours metering water and air entrapment agent into, and restir 1 minute obtains slip; Pour metering De foam grain into, restir 1 minute is poured light ceramic and emulsion at last into, stirs 1.0 minutes, obtains hydrophobic, the light Zhi concrete of waterproof.
Above-mentioned concrete is packed in the three joint-trial moulds of 10cmx10cmx10cm, record the light weight concrete of the about 940kg/m3 of unit weight after the moulding; Send into maintenance in the solar energy curing canopy, the demoulding after 24 hours, surveying resistance to compression Strong degree is 2.5-2.8Map, 28 days Strong degree are 5.0-6.5Map; Utilize this light-weight water-proof concrete, can make building block.
Embodiment 3
Prepare the high Strong degree of lightweight concrete about unit weight 1000kg/m3 by the present invention; Be used for producing sheet material.The concrete composition material Zhi amount of the high Strong degree of lightweight is such as following: light ceramic: cement: deposition flyash: foam grain: air entrapment agent: water: emulsion=1.0:0.6:0.7:0.02:0.25 ‰: 0.40:0.11.
With the cement in the above-mentioned batching, deposition flyash is poured in the stirrer, stirs 1 minute, pours metering water and air entrapment agent into, and restir 2 minutes obtains the foam slip; Pour metering De foam grain into, restir 1 minute; Pour light ceramic and emulsion at last into, stirred 1.0 minutes, obtain light Zhi concrete
Above-mentioned concrete is packed in the three joint-trial moulds of 10cmx10cmx10cm, through vibratory compaction.Survey unit weight; About 1000kg/m3-1050kg/m3; Send into maintenance in the solar energy curing canopy, the demoulding after 24 hours is surveyed about resistance to compression Strong degree 2.8Map, and resistance to compression Strong degree was 6.5-7.0Map in 28 days.
Claims (3)
1. method of utilizing renewable resource to make the water-proof heat insulation building materials, its feature may further comprise the steps in this method:
(1) with discarded polyphenyl foam, pass through pulverizer, being broken into particle diameter is the polyphenyl foam particle of 5-10 millimeter, gained polyphenyl foam particle is mixed mutually with cement, flyash, and the quality of mixing is: polyphenyl foam particle: cement: the heavy flyash of pouring=(0.012-0.015): (0.7-0.9): 1;
(2) sodium lauryl sulphate is mixed with calcium type bentonite, the quality of mixing is: sodium lauryl sulphate: calcium type bentonite=1:(0.3-0.35), prepare air entrapment agent;
(3) mix the air entrapment agent of step (2) in the mixture of step (1), the mixed ratio of air entrapment agent is 0.2 ‰-0.3 ‰, stirs jointly 3-5 minute, and the balling-up granulation is incubated, heat insulation light ceramic;
(4) light ceramic, cement, flyash, polyphenyl foam particle, air entrapment agent and water are mixed, the mass ratio that mixes is: light ceramic: cement: flyash: polyphenyl foam particle: air entrapment agent: water=1:(0.5-0.6): (0.6-0.7): (0.02-0.03): (0.2 ‰-0.3 ‰): (0.3-0.4), stirred 3-4 minute, and obtained light weight concrete;
(5) light weight concrete in step (4) adds the stearic acid emulsion, and the mass ratio of adding is: light weight concrete: stearic acid emulsion=1:(0.03-0.04), stirred 2-3 minute is shaped as difform water-proof heat insulation building materials.
2. the method for claim 1 is characterized in that the preparation method of air entrapment agent in the step (2) is: be 1:(0.3-0.35 with calcium type bentonite by mass ratio with sodium lauryl sulphate) evenly mix, prepare the powdery air entrapment agent.
3. the method for claim 1, the preparation method who it is characterized in that the stearic acid emulsion in the step (5) is: stearic acid is mixed with water, the mass ratio that mixes is: stearic acid: water=1:(300-350), stir Rong Solution 80 ℃-85 ℃ temperature, splash into the ammoniacal liquor and the triethanolamine that respectively account for stearic acid weight 1/3-1/5 more successively, obtain the stearic acid emulsion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310161542.2A CN103242000B (en) | 2013-05-05 | 2013-05-05 | Method for manufacturing waterproof heat-preservation heat-insulation building material by utilizing renewable recourse |
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| CN201310161542.2A CN103242000B (en) | 2013-05-05 | 2013-05-05 | Method for manufacturing waterproof heat-preservation heat-insulation building material by utilizing renewable recourse |
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| CN103242000A true CN103242000A (en) | 2013-08-14 |
| CN103242000B CN103242000B (en) | 2014-09-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098301A (en) * | 2014-06-18 | 2014-10-15 | 池州市新科建材有限公司 | Light-burned dolomite/ montmorillonite composited lightweight partition board, and manufacturing method thereof |
| CN104944880A (en) * | 2015-06-16 | 2015-09-30 | 武汉钢铁(集团)公司 | Low-silica iron ore tailing non-autoclave block with good hydrolytic resistance and preparation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601935B (en) * | 2017-10-19 | 2020-03-27 | 冯乃谦 | Method for harmlessly recycling heavy metals in household garbage power generation ash |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041578A (en) * | 2007-03-06 | 2007-09-26 | 刘泳霞 | Light-weight aggregate concrete and formwork wall member produced therefrom |
| CN101830659A (en) * | 2009-03-10 | 2010-09-15 | 赵定国 | Light cement granules and production method thereof |
-
2013
- 2013-05-05 CN CN201310161542.2A patent/CN103242000B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041578A (en) * | 2007-03-06 | 2007-09-26 | 刘泳霞 | Light-weight aggregate concrete and formwork wall member produced therefrom |
| CN101830659A (en) * | 2009-03-10 | 2010-09-15 | 赵定国 | Light cement granules and production method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098301A (en) * | 2014-06-18 | 2014-10-15 | 池州市新科建材有限公司 | Light-burned dolomite/ montmorillonite composited lightweight partition board, and manufacturing method thereof |
| CN104098301B (en) * | 2014-06-18 | 2016-05-11 | 池州市新科建材有限公司 | A kind of light dolomite/montmorillonite Composite light cellular partition board and preparation method thereof |
| CN104944880A (en) * | 2015-06-16 | 2015-09-30 | 武汉钢铁(集团)公司 | Low-silica iron ore tailing non-autoclave block with good hydrolytic resistance and preparation method |
| CN104944880B (en) * | 2015-06-16 | 2017-05-24 | 武汉钢铁(集团)公司 | Low-silica iron ore tailing non-autoclave block with good hydrolytic resistance and preparation method |
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| CN103242000B (en) | 2014-09-17 |
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Effective date of registration: 20161229 Address after: 100084 Tsinghua University Beijing Haidian District East 8-5-201 Patentee after: Feng Naiqian Patentee after: Fu Jun Patentee after: Hainan Yong United Cement Products Co., Ltd. Address before: 100084 Tsinghua University Beijing Haidian District East 8-5-201 Patentee before: Feng Naiqian Patentee before: Fu Jun |