CN107512895A - A kind of high intensity ardealite water-permeable brick and its manufacture method - Google Patents
A kind of high intensity ardealite water-permeable brick and its manufacture method Download PDFInfo
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- CN107512895A CN107512895A CN201710725897.8A CN201710725897A CN107512895A CN 107512895 A CN107512895 A CN 107512895A CN 201710725897 A CN201710725897 A CN 201710725897A CN 107512895 A CN107512895 A CN 107512895A
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- ardealite
- water
- slag
- high intensity
- permeable brick
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
- C04B38/0041—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter the particulate matter having preselected particle sizes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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 provides a kind of high intensity ardealite water-permeable brick and its manufacture method, the water-permeable brick is using ardealite, active Water Quenching Slag, epoxy resin as primary raw material, the steps such as process processing such as it is sufficiently mixed, is molded, conserving by material and high intensity ardealite water-permeable brick is made, wherein the dosage of ardealite is the 40%~80% of total component, manufactured water-permeable brick intensity is high, and production cost is low, ardealite comprehensive utilization ratio has been widened, can effectively alleviate the pressure of the solid waste comprehensive utilization in sulphur dioxide of phosphor chemical industry evolution.
Description
Technical field
The invention belongs to building material field, and in particular to a kind of high intensity ardealite water-permeable brick and its manufacture method.
Background technology
Shown according to relevant statistics, at present, China increases ardealite discharge capacity newly up to 50,000,000 tons every year, substantial amounts of phosphorus stone
Cream is stacked, not only land occupation resource, increases tremendous economic burden to enterprise, but also environment can be caused necessarily to pollute, and is given
The development of the national economy in China and ecological environment cause huge pressure.Therefore, the comprehensive utilization technique innovation of ardealite is accelerated
Dynamics, realization are turned waste into wealth, turned bane into boon, it has also become an important techno-economic policy, Ye Shike in economic construction of China
Sustainable development face it is in the urgent need to address the problem of.According to《State Council is on printing and distributing Circular Economy Development Strategy and recent row
The notice of dynamic plan》The comprehensive profit of the industrial solid castoff such as gist of a document, ardealite, flyash of (promulgated by the State Council [2013] 5)
With being included in one of recycling major construction projects, it has also become Establishing Circular Economy Syste m in China, it is Resources for construction economizing type, environment-friendly
One of vital task of type society.
Ardealite is in progress faster in the research application of building material industry at present, but for preparing the water-permeable brick of high intensity
Investigation of materials is less.Guo Taimin is equal to " development of ardealite ceramic water-permeable brick " delivered in 2011, and it is with ardealite and Ye La
Ardealite ceramic water-permeable brick has been made in stone, goose lake sand, Ji'an mud, feldspar.Patent No. CN201310533643.8, patent name
" a kind of steam pressure yellow phosphorus furnace slag pavior brick and preparation method thereof ", it discloses by yellow phosphorus furnace slag powder or granule yellow phosphorus furnace slag, quick lime
Pavior brick is made in powder, ardealite, and the problem of its hardness and intensity for solving, but water penetration is not ideal enough.
The content of the invention
The present invention is in order to overcome above-mentioned deficiency of the prior art, there is provided a kind of high intensity ardealite water-permeable brick and its system
Make method, the water-permeable brick using ardealite, active Water Quenching Slag, epoxy resin as primary raw material, be sufficiently mixed, be molded by material,
The steps such as the processes such as maintenance processing are made high intensity ardealite water-permeable brick, wherein the dosage of ardealite for total component 40%~
80%.
Specifically, the invention provides a kind of high intensity ardealite water-permeable brick, by mass percentage, by ardealite 40-
80%th, active Water Quenching Slag 10-30%, epoxy resin 10-30% are made.
Further, a kind of high intensity ardealite water-permeable brick, by mass percentage, by ardealite 60-70%, active water
Quench slag 20-25%, epoxy resin 15-25% is made.
Yet further, a kind of high intensity ardealite water-permeable brick, by mass percentage, by ardealite 65%, active water
Slag 20%, epoxy resin 15% of quenching is made.
Wherein, described ardealite is the phosphogypsum dihydrate discharged or formed through frying half during Wet-process Phosphoric Acid Production
Water ardealite.
Described active Water Quenching Slag is that molten state slag is after water quenching in smelting process, the thing with certain activity of formation
Material, specially at least one of blast furnace water quenching slag, slag, yellow phosphorus furnace slag.
Present invention also offers a kind of manufacture method of high intensity ardealite water-permeable brick, comprise the following steps：
(1) take material quantity ardealite to pulverize 180-220 mesh sieves, obtain phosphogypsum powder；
(2) take the Water Quenching Slag of material quantity to pulverize 180-220 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, be put into calcining furnace, calcine 3-
4h, calcining heat are 300-400 DEG C, are let cool naturally, cross 30-40 mesh sieves, obtain high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with the epoxy resin of material quantity, will using brickmaking machine
Adobe body is made.
(5) finished product is conserved by 1.55~1.65MPa saturated vapors.
Above-mentioned steps (1) take material quantity ardealite to pulverize 200 mesh sieves, obtain phosphogypsum powder；
Above-mentioned steps (2) take the Water Quenching Slag of material quantity to pulverize 200 mesh sieves, obtain active water quenching ground-slag；
Phosphogypsum powder is well mixed by above-mentioned steps (3) with active water quenching ground-slag, using wet granulation, is put into calcining furnace
In, 3.5h is calcined, calcining heat is 350 DEG C, is let cool naturally, crosses 35 mesh sieves, obtains high intensity ardealite granular powder.
Beneficial effects of the present invention：
(1) by carrying out Creative Design and screening to water-permeable brick, finally determine with mass percent ardealite 40-
80%th, water-permeable brick is made in active Water Quenching Slag 15-30%, epoxy resin 10-30%, its not only good water permeability, and hardness is big.
(2) phosphogypsum powder will be well mixed by the present invention with active water quenching ground-slag, using wet granulation, be put into calcining furnace
In, calcine its can strengthen made of water-permeable brick intensity and hardness, and calcining heat be 300-400 DEG C when it is optimal.
(3) present invention is only made of three kinds of ardealite, Water Quenching Slag, epoxy resin raw materials, is not required to add high-temperature agglomerant agent
It is low etc. other components, production cost, ardealite comprehensive Utilization Ways have been widened, has belonged to recycling economy technical research, can effectively alleviate
The pressure of solid waste comprehensive utilization in sulphur dioxide of phosphor chemical industry evolution.
In order to be further described to beneficial effects of the present invention, the present invention has also listed part Experiment example, it is intended to right
Beneficial effects of the present invention illustrate, but never make any restriction to protection scope of the present invention.
1st, the screening study of water-permeable brick raw material：
The present invention is referred to using the compression strength of water-permeable brick, rupture strength, coefficient of permeability, compression strength loss rate as investigation
Mark, carry out water-permeable brick raw material screening research：
Experimental group 1：Water-permeable brick is made up of ardealite 40%, active Water Quenching Slag 30%, epoxy resin 30%.
Experimental group 2：It is made up of ardealite 60%, active Water Quenching Slag 20%, epoxy resin 20%.
Experimental group 3：It is made up of ardealite 65%, active Water Quenching Slag 20%, epoxy resin 15%.
Experimental group 4：It is made up of ardealite 70%, active Water Quenching Slag 20%, epoxy resin 10%.
Experimental group 5：It is made up of ardealite 80%, active Water Quenching Slag 10%, epoxy resin 10%.
Experimental group 6：It is made up of ardealite 85%, active Water Quenching Slag 10%, epoxy resin 5%.
Experimental group 7：It is made up of ardealite 35%, active Water Quenching Slag 35%, epoxy resin 30%.
Detected to water-permeable brick is made, its result such as table 1 below：
Table 1：Water-permeable brick quality measurements
| Experimental group | Compression strength | Rupture strength | Coefficient of permeability |
| Experimental group 1 | 48Mpa | 16Mpa | 2.11×10-2cm/s |
| Experiment rents 2 | 49Mpa | 18Mpa | 2.33×10-2cm/s |
| Experimental group 3 | 53Mpa | 19Mpa | 2.40×10-2cm/s |
| Experimental group 4 | 48Mpa | 18Mpa | 2.32×10-2cm/s |
| Experimental group 5 | 49Mpa | 17Mpa | 2.21×10-2cm/s |
| Experimental group 6 | 40Mpa | 12Mpa | 1.91×10-2cm/s |
| Experimental group 7 | 43Mpa | 13Mpa | 2.01×10-2cm/s |
2nd, technical study：
The present invention has found to be calcined after ardealite and Water Quenching Slag granulation, it can be more in water-permeable brick preparation process
The intensity of good raising water-permeable brick, and calcining heat is 300-400 DEG C optimal, and less than 300 DEG C, its compression strength is bad, high
It is bad in 400 DEG C of rupture strengths, therefore preferred calcination temperature of the present invention is 300-400 DEG C.
Embodiment：
Embodiment 1：It is prepared by high intensity ardealite water-permeable brick
(1) take 40kg ardealites to pulverize 180-220 mesh sieves, obtain phosphogypsum powder；
(2) take 30kg blast furnace water quenching slag to pulverize 180 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, is put into calcining furnace, calcine 3h,
Calcining heat is 300 DEG C, is let cool naturally, crosses 30 mesh sieves, obtains high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with 30kg epoxy resin, will be made using brickmaking machine
Into adobe body.
(5) finished product is conserved by 1.55MPa saturated vapors.
Embodiment 2：It is prepared by high intensity ardealite water-permeable brick
(1) take 60kg ardealites to pulverize 200 mesh sieves, obtain phosphogypsum powder；
(2) take 20kg blast furnace water quenching slag to pulverize 200 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, be put into calcining furnace, calcine 3-
4h, calcining heat are 350 DEG C, are let cool naturally, cross 35 mesh sieves, obtain high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with 20kg epoxy resin, will be made using brickmaking machine
Into adobe body.
(5) finished product is conserved by 1.60MPa saturated vapors.
Embodiment 3：It is prepared by high intensity ardealite water-permeable brick
(1) take 65kg ardealites to pulverize 200 mesh sieves, obtain phosphogypsum powder；
(2) take 20kg blast furnace water quenching slag to pulverize 200 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, be put into calcining furnace, calcine 3-
4h, calcining heat are 350 DEG C, are let cool naturally, cross 35 mesh sieves, obtain high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with 15kg epoxy resin, will be made using brickmaking machine
Into adobe body.
(5) finished product is conserved by 1.6MPa saturated vapors.
Embodiment 4：It is prepared by high intensity ardealite water-permeable brick
(1) take 70kg ardealites to pulverize 180-220 mesh sieves, obtain phosphogypsum powder；
(2) take 20kg blast furnace water quenching slag to pulverize 180-220 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, be put into calcining furnace, calcine 3-
4h, calcining heat are 300-400 DEG C, are let cool naturally, cross 30-40 mesh sieves, obtain high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with 10kg epoxy resin, will be made using brickmaking machine
Into adobe body.
(5) finished product is conserved by 1.6MPa saturated vapors.
Embodiment 5：It is prepared by high intensity ardealite water-permeable brick
(1) take 80kg ardealites to pulverize 220 mesh sieves, obtain phosphogypsum powder；
(2) take 10kg blast furnace water quenching slag to pulverize 220 mesh sieves, obtain active water quenching ground-slag；
(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, is put into calcining furnace, calcine 4h,
Calcining heat is 400 DEG C, is let cool naturally, crosses 40 mesh sieves, obtains high intensity ardealite granular powder.
(4) ardealite granular powder made from step (3) is well mixed with 10kg epoxy resin, will be made using brickmaking machine
Into adobe body.
(5) finished product is conserved by 1.65MPa saturated vapors.
Above-described embodiment is preferred embodiment of the present invention, it should be appreciated that these embodiments are merely to illustrate the present invention and do not had to
In limiting the scope of the invention.In addition, it is to be understood that after present disclosure has been read, those skilled in the art can be with
The present invention is made various changes or modifications, these equivalent form of values equally fall within the model that the application appended claims are limited
Enclose.
Claims (10)
- A kind of 1. high intensity ardealite water-permeable brick, it is characterised in that：By mass percentage, by ardealite 40-80%, active water Quench slag 10-30%, epoxy resin 10-30% is made.
- 2. high intensity ardealite water-permeable brick according to claim 1, it is characterised in that：By mass percentage, by phosphorus stone Cream 60-70%, active Water Quenching Slag 20-25%, epoxy resin 15-25% are made.
- A kind of 3. high intensity ardealite water-permeable brick, it is characterised in that：By mass percentage, by ardealite 65%, active water quenching Slag 20%, epoxy resin 15% is made.
- 4. according to any described high intensity ardealite water-permeable bricks of claim 1-3, it is characterised in that：Described ardealite is wet At least one of the phosphogypsum dihydrate discharged in method production process of phosphoric acid, half water ardealite through frying formation.
- 5. according to any described high intensity ardealite water-permeable bricks of claim 1-3, it is characterised in that：Described active Water Quenching Slag It is molten state slag in smelting process after water quenching, the active material of formation.
- 6. according to any described high intensity ardealite water-permeable bricks of claim 1-3, it is characterised in that：Described active Water Quenching Slag For at least one of blast furnace water quenching slag, slag, yellow phosphorus furnace slag.
- A kind of 7. manufacture method of high intensity ardealite water-permeable brick, it is characterised in that：Comprise the following steps：(1) take material quantity ardealite to pulverize 180-220 mesh sieves, obtain phosphogypsum powder；(2) take the Water Quenching Slag of material quantity to pulverize 180-220 mesh sieves, obtain active water quenching ground-slag；(3) phosphogypsum powder is well mixed with active water quenching ground-slag, using wet granulation, be put into calcining furnace, calcined 3-4h, forge It is 300-400 DEG C to burn temperature, is let cool naturally, crosses 30-40 mesh sieves, obtains high intensity ardealite granular powder；(4) ardealite granular powder made from step (3) is well mixed with the epoxy resin of material quantity, will be made using brickmaking machine Adobe body；(5) finished product is conserved by 1.55~1.65MPa saturated vapors.
- 8. the manufacture method of high intensity ardealite water-permeable brick according to claim 7, it is characterised in that：Step (1) takes original Doses ardealite was pulverized 200 mesh sieves, obtained phosphogypsum powder.
- 9. the manufacture method of high intensity ardealite water-permeable brick according to claim 7, it is characterised in that：Step (2) takes original The Water Quenching Slag of doses was pulverized 200 mesh sieves, obtained active water quenching ground-slag.
- 10. the manufacture method of high intensity ardealite water-permeable brick according to claim 7, it is characterised in that：Step (3) is by phosphorus Land plaster is well mixed with active water quenching ground-slag, using wet granulation, is put into calcining furnace, calcines 3.5h, calcining heat 350 DEG C, let cool naturally, cross 35 mesh sieves, obtain high intensity ardealite granular powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710725897.8A CN107512895B (en) | 2017-08-22 | 2017-08-22 | High-strength phosphogypsum water permeable brick and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725897.8A CN107512895B (en) | 2017-08-22 | 2017-08-22 | High-strength phosphogypsum water permeable brick and manufacturing method thereof |
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| CN107512895A true CN107512895A (en) | 2017-12-26 |
| CN107512895B CN107512895B (en) | 2020-04-24 |
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| CN201710725897.8A Expired - Fee Related CN107512895B (en) | 2017-08-22 | 2017-08-22 | High-strength phosphogypsum water permeable brick and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675818A (en) * | 2018-07-31 | 2018-10-19 | 重庆双渝工业陶瓷有限公司 | A kind of production technology of ecological ceramic water-permeable brick |
| CN111689742A (en) * | 2020-06-05 | 2020-09-22 | 贵州宏信创达工程检测咨询有限公司 | Industrial solid waste composite material brick and preparation method thereof |
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|---|---|---|---|---|
| JPH05238802A (en) * | 1992-02-21 | 1993-09-17 | Mitsubishi Heavy Ind Ltd | Production of water-permeable block brick from incinerated ash of sewage sludge |
| CN101614051A (en) * | 2009-07-15 | 2009-12-30 | 贵州开磷（集团）有限责任公司 | Water-tolerant gypsum hollow building block and production method thereof |
| CN105236935A (en) * | 2014-07-09 | 2016-01-13 | 泰盛兴应用材料股份有限公司 | Ceramic tile product and manufacturing method therefor |
| CN106365578A (en) * | 2016-08-31 | 2017-02-01 | 韩涛 | Method for preparing building material by using phosphogypsum |
-
2017
- 2017-08-22 CN CN201710725897.8A patent/CN107512895B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05238802A (en) * | 1992-02-21 | 1993-09-17 | Mitsubishi Heavy Ind Ltd | Production of water-permeable block brick from incinerated ash of sewage sludge |
| CN101614051A (en) * | 2009-07-15 | 2009-12-30 | 贵州开磷（集团）有限责任公司 | Water-tolerant gypsum hollow building block and production method thereof |
| CN105236935A (en) * | 2014-07-09 | 2016-01-13 | 泰盛兴应用材料股份有限公司 | Ceramic tile product and manufacturing method therefor |
| CN106365578A (en) * | 2016-08-31 | 2017-02-01 | 韩涛 | Method for preparing building material by using phosphogypsum |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675818A (en) * | 2018-07-31 | 2018-10-19 | 重庆双渝工业陶瓷有限公司 | A kind of production technology of ecological ceramic water-permeable brick |
| CN111689742A (en) * | 2020-06-05 | 2020-09-22 | 贵州宏信创达工程检测咨询有限公司 | Industrial solid waste composite material brick and preparation method thereof |
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| CN107512895B (en) | 2020-04-24 |
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