CN104313211A - Method for directly producing building brick by fusing blast furnace slags - Google Patents
Method for directly producing building brick by fusing blast furnace slags Download PDFInfo
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- CN104313211A CN104313211A CN201410589351.0A CN201410589351A CN104313211A CN 104313211 A CN104313211 A CN 104313211A CN 201410589351 A CN201410589351 A CN 201410589351A CN 104313211 A CN104313211 A CN 104313211A
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- blast furnace
- slag
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- 239000002893 slag Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000011469 building brick Substances 0.000 title abstract 3
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000002425 crystallisation Methods 0.000 claims abstract description 28
- 230000008025 crystallization Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000000137 annealing Methods 0.000 claims abstract description 23
- 239000011449 brick Substances 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000003490 calendering Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 15
- 239000004566 building material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 238000009851 ferrous metallurgy Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
- 229910052656 albite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/06—Annealing glass products in a continuous way with horizontal displacement of the glass products
- C03B25/08—Annealing glass products in a continuous way with horizontal displacement of the glass products of glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the utilization of waste slags in ferrous metallurgy and in particular relates to a method for directly producing a building brick by fusing blast furnace slags. The method comprises a technological process consisting of the following steps: heating, homogenizing or tempering the blast furnace slags which are delivered into a slag trough after being subjected to slag-iron separation and have the temperature reaching 1400 DEG C to 1500 DEG C, and then introducing the blast furnace slags into a liquid supply pool and a working portion with an outlet temperature of 1330 DEG C to 1450 DEG C; introducing a slag liquid from the working portion into a calender for molding, and calendering and cooling to form a surface-cured plate material with the surface temperature of 950 DEG C to 1200 DEG C; introducing the calendered plate into a crystallization furnace for crystallization at the temperature of 950 DEG C to 1200 DEG C; and introducing the crystallized plate material into an annealing furnace for annealing to remove stress, cooling to 70 DEG C, discharging the plate material from the annealing furnace, and performing fixed-dimension cutting, polishing, slitting and edge straightening on the plate material discharged out from the annealing furnace to obtain a finished product of the brick. According to the method disclosed by the invention, the building brick is prepared directly by fusing the blast furnace slags, and the sensible heat and solid substance resources of the blast furnace slags are fully utilized.
Description
Technical field
The present invention relates to the waste residue utilization in ferrous metallurgy, specifically a kind of method of molten blast furnace slag direct production building material brick.
Background technology
The treatment process of tradition blast furnace slag is: temperature reaches the molten slag of about 1450 DEG C, directly with water punching cooling (being commonly called as shrend), then drags for slag, dry, for cement admixture.High-temperature slag is directly by shrend, there is explosive, pollute heavy, quantity of circulating water large, plant environment refractory reason, complete assembly comprise the problems such as slag bath floor space is large, grain slag added value of product is low, and only reclaimed solids, sensible heat is wasted, not still to the significant wastage of secondary resource, and pollution on the environment is also very large.At present the research of blast furnace slag comprehensive utilization is all concentrated on to the utilization of grain slag, have no idea to solve the consumption of waste residue cooling to water resources, well can not utilize the heat energy contained by slag.Therefore, a kind of urgently method that a large amount of slag can be turned waste into wealth.
Chinese patent ZL201210103589.9 proposes a kind of method that titaniferous molten blast furnace slag produces devitrified glass, proposes titaniferous blast furnace slag to mix in hot metal mixer with silica sand, clay, albite and solubility promoter, is mixed with high temperature and just refines solution; Add finings and tinting material again, make it to become glass solution; Glass solution is pressed into sheet glass blank, then becomes devitrified glass through subsequent annealing.
Chinese patent ZL201010293061.3 proposes a kind of method utilizing molten slag to produce plate ceramic, adopts the plate ceramic of float process, produces with adopting rolling process in the present invention the difference that building material brick has essence.
Chinese patent ZL201010293048.8 proposes a kind of method utilizing molten slag to produce reduced stone raw material, points out molten slag to carry out temperature control casting, is then incubated under non-reducing atmosphere, and is slowly down to room temperature, obtain reduced stone raw material.Be raw material with the present invention with melting slag, carry out subsequent annealing after calendering formation, obtaining building material brick has a great difference.
Summary of the invention
The present invention is directed to the above-mentioned state of the art, propose a kind of method adopting molten blast furnace slag direct production building material brick.
The technical solution used in the present invention is:
A method for molten blast furnace slag direct production building material brick, its technological process is:
A. will after slag sluicing system, the temperature entering slag runner is the molten blast furnace slag of 1400 DEG C to 1500 DEG C, and the mode directly injected through having bad luck tank or slag runner is sent to liquid storage tank;
B. molten blast furnace slag carry out heating up in liquid storage tank, homogenizing or modified, then enter for liquid pool and operate portions through the adjustable dog-hole of flow, liquid storage tank and for slag liquid temp 1400 DEG C to 1550 DEG C in liquid pool, operate portions temperature is adjustable, and operate portions temperature out is 1330 DEG C to 1450 DEG C;
C. enter rolling press from operate portions slag liquid out shaping, form by calendering cooling the sheet material that surface temperature is the surface cure of 950 DEG C to 1200 DEG C;
D. roll plate to enter crystallization furnace by oblique water plate and transfer roller and carry out crystallization, crystallization temperature is 950 DEG C to 1200 DEG C;
E. the sheet material after crystallization enters anneal and eliminates stress, and cools to 70 DEG C and go out annealing furnace, and the sheet material going out annealing furnace, after Length-fixing cutting, requires to carry out polishing according to product specification, to cut and treating selvedge forms finished bricks.
Adopt the present invention of technique scheme, compared with prior art, its beneficial effect is:
(1) adopt molten blast furnace slag direct production building material brick, take full advantage of sensible heat and the solids resource of blast furnace slag, products obtained therefrom intensity is high, finer and close, wear resistant corrosion resistant, and compared with market product of the same type, production cost obviously reduces, and competitive edge is obvious;
(2) adopt the dog-hole design of regulating flow quantity, achieve the association that discontinuous feed and continuous calendering produce and connect.
(3) directly carry out crystallization after technique adopting first molten state material forming, do not experience vitrified process, after crystallization completely, obtain building material brick through anneal.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the embodiment of the present invention;
In figure: 1-feeding mouth; 2-liquid storage tank; 3-dog-hole; 4-for liquid pool; 5-operate portions; 6-rolling press; 7-tiltedly water plate; 8-carrying roller; 9-crystallization furnace; 10-annealing furnace; 11-sizing cutting device.
Embodiment
Below by way of accompanying drawing illustrated embodiment in detail the present invention is described in detail, the cited case only for technical scheme of the present invention is clearly described, and not limits the scope of the invention.
Embodiment 1:
See Fig. 1, the method for the molten blast furnace slag direct production building material brick that the present embodiment provides, carry out as follows:
(1) by temperature being the molten blast furnace slag of 1400 DEG C to 1500 DEG C, being sent in liquid storage tank through having bad luck tank;
(2) by molten blast furnace slag by feeding mouth down in liquid storage tank time, temperature is 1370 DEG C to about 1430 DEG C, in liquid storage tank, carry out heating and thermal insulation, makes molten blast furnace slag temperature maintain about 1450 DEG C;
(3) by dog-hole adjust flux, control the molten blast furnace slag flowing into feed flow pond, make it maintain an equal level highly for maintaining of the liquid level stabilizing in liquid pool with operate portions;
(4) flowing into for the molten blast furnace slag temperature in liquid pool is about 1420 DEG C;
(5) molten blast furnace slag flows through and enters operate portions for liquid pool, and in this process, molten blast furnace slag is because of some temperature drop of naturally cooling, and operate portions temperature is adjustable, regulates its temperature, and the molten blast furnace slag temperature that operate portions is exported reaches 1370 DEG C;
(6) enter rolling press from operate portions molten blast furnace slag out shaping, form by calendering cooling the sheet material that surface temperature is the surface cure of about 1050 DEG C;
(7) sheet material of calendering formation gained enters crystallization furnace by oblique water plate and transfer roller and carries out crystallization, and crystallization temperature is 1050 DEG C, and crystallization time is 20min;
(8) sheet material after crystallization enters anneal and eliminates stress, at 900 DEG C of annealing isothermal holding 6min, after cooling after a while, at 650 DEG C of annealing isothermal holding 6min, when 650 DEG C to 350 DEG C, rate of cooling is 25 DEG C/min, cool fast afterwards, the temperature that sheet material goes out annealing furnace is about 70 DEG C;
(9) sheet material going out annealing furnace, after Length-fixing cutting, requires to carry out polishing according to product specification, cuts and treating selvedge formation finished bricks.
Embodiment 2:
See Fig. 1, the method for the molten blast furnace slag direct production building material brick that the present embodiment provides, carry out as follows:
(1) traditional slag runner is transformed into closed slag runner, after slag sluicing system, blast furnace slag flows through improved slag runner, when slag runner temperature out reaches 1450 DEG C to 1500 DEG C, can directly be injected in liquid storage tank by slag runner;
(2) molten blast furnace slag carries out being incubated in liquid storage tank, makes molten blast furnace slag temperature maintain more than 1450 DEG C;
(3) by dog-hole adjust flux, control the molten blast furnace slag flowing into feed flow pond, make it maintain an equal level highly for maintaining of the liquid level stabilizing in liquid pool with operate portions;
(4) inflow remains on about 1420 DEG C for the molten blast furnace slag temperature in liquid pool;
(5) molten blast furnace slag flows through and enters operate portions for liquid pool, and in this process, molten blast furnace slag is because of some temperature drop of naturally cooling, and operate portions temperature is adjustable, regulates its temperature, and the molten blast furnace slag temperature that operate portions is exported reaches 1400 DEG C;
(6) enter rolling press from operate portions molten blast furnace slag out shaping, form by calendering cooling the sheet material that surface temperature is the surface cure of about 1050 DEG C;
(7) sheet material of calendering formation gained enters crystallization furnace by oblique water plate and transfer roller and carries out crystallization, and crystallization temperature is 1050 DEG C, and crystallization time is 20min;
(8) sheet material after crystallization enters anneal and eliminates stress, at 900 DEG C of annealing isothermal holding 6min, after cooling after a while, at 650 DEG C of annealing isothermal holding 6min, when 650 DEG C to 350 DEG C, rate of cooling is 25 DEG C/min, cool fast afterwards, the temperature that sheet material goes out annealing furnace is about 70 DEG C;
(9) sheet material going out annealing furnace, after Length-fixing cutting, requires to carry out polishing according to product specification, cuts and treating selvedge formation finished bricks.
Embodiment 3:
See Fig. 1, the method for the molten blast furnace slag direct production building material brick that the present embodiment provides, carry out as follows:
(1) temperature being reached the molten blast furnace slag of 1400 DEG C to 1500 DEG C, being sent in liquid storage tank through having bad luck tank;
(2) by molten blast furnace slag by feeding mouth down in liquid storage tank time, temperature is down to 1370 DEG C to about 1430 DEG C, in liquid storage tank, carry out heating and thermal insulation, makes molten blast furnace slag temperature maintain about 1450 DEG C;
(3) by dog-hole adjust flux, control the molten blast furnace slag flowing into feed flow pond, make it maintain an equal level highly for maintaining of the liquid level stabilizing in liquid pool with operate portions;
(4) inflow remains on about 1420 DEG C for the molten blast furnace slag temperature in liquid pool;
(5) molten blast furnace slag flows through and enters operate portions for liquid pool, and in this process, molten blast furnace slag is because of some temperature drop of naturally cooling, and operate portions temperature is adjustable, regulates its temperature, and the molten blast furnace slag temperature that operate portions is exported reaches 1400 DEG C;
(6) enter rolling press from operate portions molten blast furnace slag out shaping, form by calendering cooling the sheet material that surface temperature is the surface cure of about 1200 DEG C;
(7) sheet material of calendering formation gained enters crystallization furnace by oblique water plate and transfer roller and carries out crystallization, and crystallization temperature is 1200 DEG C, and crystallization time is 20min;
(8) sheet material after crystallization enters anneal and eliminates stress, at 900 DEG C of annealing isothermal holding 6min, after cooling after a while, at 650 DEG C of annealing isothermal holding 6min, when 650 DEG C to 350 DEG C, rate of cooling is 25 DEG C/min, cool fast afterwards, the temperature that sheet material goes out annealing furnace is about 70 DEG C;
(9) sheet material going out annealing furnace, after Length-fixing cutting, requires to carry out polishing according to product specification, cuts and treating selvedge formation finished bricks.
Claims (1)
1. a method for molten blast furnace slag direct production building material brick, is characterized in that, technological process is:
A. will after slag sluicing system, the temperature entering slag runner is the molten blast furnace slag of 1400 DEG C to 1500 DEG C, and the mode directly injected through having bad luck tank or slag runner is sent to liquid storage tank;
B. molten blast furnace slag carry out heating up in liquid storage tank, homogenizing or modified, then enter for liquid pool and operate portions through the adjustable dog-hole of flow, liquid storage tank and for slag liquid temp 1400 DEG C to 1550 DEG C in liquid pool, operate portions temperature is adjustable, and operate portions temperature out is 1330 DEG C to 1450 DEG C;
C. enter rolling press from operate portions slag liquid out shaping, form by calendering cooling the sheet material that surface temperature is the surface cure of 950 DEG C to 1200 DEG C;
D. roll plate to enter crystallization furnace by oblique water plate and transfer roller and carry out crystallization, crystallization temperature is 950 DEG C to 1200 DEG C;
E. the sheet material after crystallization enters anneal and eliminates stress, and cools to 70 DEG C and go out annealing furnace, and the sheet material going out annealing furnace, after Length-fixing cutting, requires to carry out polishing according to product specification, to cut and treating selvedge forms finished bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589351.0A CN104313211A (en) | 2014-10-29 | 2014-10-29 | Method for directly producing building brick by fusing blast furnace slags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589351.0A CN104313211A (en) | 2014-10-29 | 2014-10-29 | Method for directly producing building brick by fusing blast furnace slags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104313211A true CN104313211A (en) | 2015-01-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589351.0A Pending CN104313211A (en) | 2014-10-29 | 2014-10-29 | Method for directly producing building brick by fusing blast furnace slags |
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| CN (1) | CN104313211A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944810A (en) * | 2015-05-28 | 2015-09-30 | 上海宝钢节能环保技术有限公司 | Hot slag stone transformation system and technology |
| CN106830720A (en) * | 2015-12-04 | 2017-06-13 | 神华集团有限责任公司 | A kind of artificial stone and preparation method thereof |
| CN107663100A (en) * | 2017-09-27 | 2018-02-06 | 武汉钢铁有限公司 | Water-permeable brick prepared using molten blast furnace slag and preparation method thereof |
| CN108483925A (en) * | 2018-04-27 | 2018-09-04 | 中国兵器科学研究院宁波分院 | A method of comprehensive utilization city solid waste efficiently prepares high tough devitrified glass |
| CN109369020A (en) * | 2018-10-09 | 2019-02-22 | 交城义望铁合金有限责任公司 | A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag |
| CN111975612A (en) * | 2020-09-10 | 2020-11-24 | 李兵 | Porous irregular special-shaped processing equipment for red brick |
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| CN101559953A (en) * | 2009-03-30 | 2009-10-21 | 刘日宏 | Method for using high-temperature liquid silicon manganese alloy slag as raw material to produce cast stone |
| CN101698568A (en) * | 2009-11-11 | 2010-04-28 | 清华大学 | Method for preparing jade type microcrystalline glass with high-temperature furnace slag |
| CN103553300A (en) * | 2013-11-05 | 2014-02-05 | 北京科技大学 | Continuous casting and rolling method and device for producing glass ceramics by utilizing blast-furnace slag |
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2014
- 2014-10-29 CN CN201410589351.0A patent/CN104313211A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101157540A (en) * | 2007-09-26 | 2008-04-09 | 中国地质大学（武汉） | Production technology of phosphorus slag cast stone for architectural decoration using high temperature phosphorus slag liquid |
| CN101559953A (en) * | 2009-03-30 | 2009-10-21 | 刘日宏 | Method for using high-temperature liquid silicon manganese alloy slag as raw material to produce cast stone |
| CN101698568A (en) * | 2009-11-11 | 2010-04-28 | 清华大学 | Method for preparing jade type microcrystalline glass with high-temperature furnace slag |
| CN103553300A (en) * | 2013-11-05 | 2014-02-05 | 北京科技大学 | Continuous casting and rolling method and device for producing glass ceramics by utilizing blast-furnace slag |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944810A (en) * | 2015-05-28 | 2015-09-30 | 上海宝钢节能环保技术有限公司 | Hot slag stone transformation system and technology |
| CN106830720A (en) * | 2015-12-04 | 2017-06-13 | 神华集团有限责任公司 | A kind of artificial stone and preparation method thereof |
| CN106830720B (en) * | 2015-12-04 | 2019-05-03 | 神华集团有限责任公司 | A kind of artificial stone and preparation method thereof |
| CN107663100A (en) * | 2017-09-27 | 2018-02-06 | 武汉钢铁有限公司 | Water-permeable brick prepared using molten blast furnace slag and preparation method thereof |
| CN107663100B (en) * | 2017-09-27 | 2020-11-03 | 武汉钢铁有限公司 | Water permeable brick prepared by melting blast furnace slag and preparation method thereof |
| CN108483925A (en) * | 2018-04-27 | 2018-09-04 | 中国兵器科学研究院宁波分院 | A method of comprehensive utilization city solid waste efficiently prepares high tough devitrified glass |
| CN108483925B (en) * | 2018-04-27 | 2021-08-10 | 中国兵器科学研究院宁波分院 | Method for efficiently preparing high-strength and high-toughness microcrystalline glass by comprehensively utilizing urban solid wastes |
| CN109369020A (en) * | 2018-10-09 | 2019-02-22 | 交城义望铁合金有限责任公司 | A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag |
| CN111975612A (en) * | 2020-09-10 | 2020-11-24 | 李兵 | Porous irregular special-shaped processing equipment for red brick |
| CN111975612B (en) * | 2020-09-10 | 2021-12-28 | 枞阳县横生新型建材有限公司 | Porous irregular special-shaped processing equipment for red brick |
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Application publication date: 20150128 |