CN101139198A - Chemical gypsum building material and manufacturing method thereof - Google Patents
Chemical gypsum building material and manufacturing method thereof Download PDFInfo
- Publication number
- CN101139198A CN101139198A CNA2007100757666A CN200710075766A CN101139198A CN 101139198 A CN101139198 A CN 101139198A CN A2007100757666 A CNA2007100757666 A CN A2007100757666A CN 200710075766 A CN200710075766 A CN 200710075766A CN 101139198 A CN101139198 A CN 101139198A
- Authority
- CN
- China
- Prior art keywords
- slag
- building materials
- chemical
- gypsum
- chemical industrial
- 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.)
- Granted
Links
- 239000010440 gypsum Substances 0.000 title claims abstract description 65
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 65
- 239000004566 building material Substances 0.000 title claims abstract description 40
- 239000000126 substance Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000002893 slag Substances 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 17
- 239000002894 chemical waste Substances 0.000 claims abstract description 16
- 239000010881 fly ash Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 6
- 238000010791 quenching Methods 0.000 claims abstract description 6
- 230000000171 quenching effect Effects 0.000 claims abstract description 6
- 239000010456 wollastonite Substances 0.000 claims abstract description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000000748 compression moulding Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 235000010215 titanium dioxide Nutrition 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 239000011464 hollow brick Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 239000002367 phosphate rock Substances 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000001354 calcination Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 238000012824 chemical production Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本发明涉及一种化工石膏建材，其包括如下重量百分比的各组分：废石膏30～60％；粉煤灰15～25％；矿渣20～30％；水泥熟料5～20％。该化工废石膏是钛石膏、磷石膏。该矿渣是钛矿渣、钢渣、水淬渣、硅灰石。该化工石膏建材还进一步包括重量百分比为0～5％的助剂。一种化工石膏建材制造方法，包括如下步骤：按照上述各组分重量百分比准备原料；将上述各组分混合磨碎，制成料浆，再压制成型，然后静置7天以上。本发明利用化工生产废渣作为主要原料，采用简单的工艺和设备，不经过煅烧，制造出具有很好的物理力学性能的石膏建材制品，具有十分显著的经济效益和社会效益。The invention relates to a chemical gypsum building material, which comprises the following components in weight percentage: 30-60% of waste gypsum; 15-25% of fly ash; 20-30% of slag; and 5-20% of cement clinker. The chemical waste gypsum is titanium gypsum and phosphogypsum. The slag is titanium slag, steel slag, water quenching slag, wollastonite. The chemical gypsum building material further includes additives with a weight percentage of 0-5%. A method for manufacturing chemical gypsum building materials, comprising the following steps: preparing raw materials according to the weight percentages of the above-mentioned components; mixing and grinding the above-mentioned components to make a slurry, pressing and molding, and then standing still for more than 7 days. The invention uses chemical production waste residue as the main raw material, adopts simple process and equipment, and produces gypsum building material products with good physical and mechanical properties without calcination, which has very significant economic and social benefits.
Description
Technical field
The present invention relates to building materials of gypsum, refer in particular to chemical industrial gypsum building materials and the manufacture method thereof of utilizing useless chemical gypsum to make.
Background technology
The existing building product that is used as non-bearing material of construction in the building generally adopts clay, is main raw material, makes finished product through technologies such as calcining, coolings; Owing to need a large amount of tonerdes, cause the waste in soil (arable land); And, because the calcining temperature height consumes higher heat energy, the product cost height.
Building materials of gypsum has obtained increasingly extensive application owing to performances such as having the humidity of adjusting, temperature.It is raw material that existing building materials of gypsum adopts plaster of paris ore, and makes the building materials process and operation, energy consumption height such as need calcine.And on the other hand, the waste residue that produces in the technologies such as a large amount of industrial residues, particularly Titanium White Production By Sulfuric Acid Process does not obtain utilizing, and difficult treatment is stacked and taken up an area of, and causes the pollution of environment.
Summary of the invention
Technical problem to be solved by this invention is: a kind of chemical industrial gypsum building materials is provided, and energy-conserving and environment-protective, and can effectively solve the environmental problem that the Chemical Manufacture waste residue brings.
The further technical problem to be solved of the present invention is: a kind of method of construction of chemical industrial gypsum building materials is provided, and it can effectively utilize the waste residue that produces in the Chemical Manufacture, and energy-conserving and environment-protective.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of chemical industrial gypsum building materials, and it comprises each component of following weight percent:
Waste gypsum 30～60%;
Flyash 15～25%;
Slag 20～30%;
Cement clinker 5～20%.
Preferably, this chemical industrial gypsum building materials comprises each component of following weight percent:
Chemical waste gypsum 30～40%;
Flyash 16～22%;
Slag 20～30%;
Cement clinker 5～20%.
Preferably, this chemical waste gypsum is titanium gypsum, phosphogypsum.
Preferably, this slag is titanium ore slag, slag, Water Quenching Slag, wollastonite.
Preferably, this chemical industrial gypsum building materials comprises that further weight percent is 0～5% auxiliary agent, and this auxiliary agent is early strength water-reducing agent or exciting agent.
Preferably, the concrete composition of this auxiliary agent is selected from any one in the following reagent: Na
2SO
4, K
2SO
4, NaHSO
4, FeSO
4, lime, cement, NaOH, alkali blast furnace slag, calcined dolomite, bone.
Preferably, when this chemical waste gypsum is Titanium White Production By Sulfuric Acid Process, add a kind of mud shape waste residue that lime or carbide slag are produced with the neutralizing acid wastewater, free water content is not higher than 50%, CaSO
42H
2O is not less than 80%.
Preferably, this chemical waste gypsum is the solid slag that produces when producing phosphoric acid with sulfuric acid treating phosphorite in phophatic fertilizer production process, and its main component is a calcium sulfate.
Preferably, this chemical industrial gypsum building materials is standard solid block or hollow brick.
On the other hand, the present invention also provides following a kind of technical scheme:
A kind of chemical industrial gypsum building materials manufacture method comprises the steps:
A, prepare raw material according to following weight percent:
Chemical waste gypsum 30～60%
Flyash 15～25%
Slag 20～30%
Cement clinker 5～20%
Auxiliary agent 0～5%;
B, above-mentioned each component mixed grind, make slip, compression moulding is again left standstill more than 7 days then.
The invention has the beneficial effects as follows:
1,, utilizing reluctant chemical industry waste residue without clay--waste gypsum and Producing Titanium Dioxide mine tailings, slag, Water Quenching Slag etc. turn waste into wealth as main raw material (accounting for about 80%), help the protection of environment, social benefit and remarkable in economical benefits;
2, production technique and equipment are simple, and without calcining, energy consumption reduces greatly, low production cost;
3, the building product physical and mechanical property is good, and good product quality can be widely used as non-lbearing wall material in the building.
Embodiment
The invention provides a kind of chemical industrial gypsum building materials, it comprises each component of following weight percent:
Chemical waste gypsum 30～60%;
Flyash 15～25%;
Slag 20～30%;
Cement clinker 5～20%;
Wherein, this chemical waste gypsum can be titanium gypsum, phosphogypsum etc.
This slag can be titanium ore slag, slag, Water Quenching Slag, wollastonite etc.
Preferably, chemical industrial gypsum building materials of the present invention, it comprises each component of following weight percent:
Chemical waste gypsum 30～40%;
Flyash 16～22%;
Slag 20～30%;
Cement clinker 5～20%.
Also can add the auxiliary agent that weight is no more than gross weight 5% as required and optionally in the chemical industrial gypsum building materials of the present invention, this auxiliary agent can be early strength water-reducing agent, exciting agent, and its concrete composition can be any one in the following all ingredients: Na
2SO
4, K
2SO
4, NaHSO
4, FeSO
4, lime, cement, NaOH, alkali blast furnace slag, calcined dolomite, bone.
The manufacture method of chemical industrial gypsum building materials of the present invention is as follows:
A, prepare raw material according to following weight percent:
Chemical waste gypsum 30～60%
Flyash 15～25%
Slag 20～30%
Cement clinker 5～20%
Auxiliary agent 0～5%;
B, above-mentioned each component mixed grind, make slip, compression moulding was again left standstill 7 days and 28 days then.
Chemical industrial gypsum building materials of the present invention is mainly as non-lbearing wall material in the building, for example: standard solid block or hollow brick, and because it need not pass through processing treatment such as calcining in production process, and environmental protection and energy saving more.
Below by several embodiment the present invention is further described:
Embodiment 1
A kind of chemical industrial gypsum building materials, composition (weight %) is: titanium gypsum 30%, flyash 16%, titanium mine tailing 30%, cement clinker 20%, early strength water-reducing agent 4.0%, above-mentioned each component mixing is ground, make slip, compression moulding was left standstill 7 days then.The Modular building building block outward appearance of making is neat, no bending or truncation arrisdefect, and ultimate compression strength mean value reaches more than the 15MPa, and minimum value reaches 12MPa; Drying shrinkage is less than 0.06%, and coefficient of softening is not less than 0.75, does not have radioactivity.
Embodiment 2
A kind of worker's building materials of gypsum, composition (weight %) is: titanium gypsum 60%, flyash 15%, titanium mine tailing 20%, cement clinker 5%, each component mixing is ground, make slip, compression moulding was left standstill 7 days then.The Modular building building block outward appearance of making is neat, no bending or truncation arrisdefect, and ultimate compression strength mean value reaches more than the 15MPa, and minimum value reaches 12MPa; Drying shrinkage is less than 0.06%, and coefficient of softening is not less than 0.75, does not have radioactivity.
Embodiment 3
A kind of worker's building materials of gypsum, composition (weight %) is: phosphogypsum 40%, flyash 25%, Water Quenching Slag 20%, cement clinker 10%, exciting agent 5% grind each component mixing, make slip, and compression moulding was left standstill 28 days then.The Modular building building block outward appearance of making is neat, no bending or truncation arrisdefect, and ultimate compression strength mean value reaches more than the 15MPa, and minimum value reaches 12MPa; Drying shrinkage is less than 0.06%, and coefficient of softening is not less than 0.75, does not have radioactivity.
Embodiment 4
A kind of worker's building materials of gypsum, composition (weight %) is: phosphogypsum 44%, flyash 25%, slag 25%, cement clinker 5%, exciting agent 1%, each component mixing is ground, make slip, compression moulding was left standstill 28 days then.The Modular building building block outward appearance of making is neat, no bending or truncation arrisdefect, and ultimate compression strength mean value reaches more than the 15MPa, and minimum value reaches 12MPa; Drying shrinkage is less than 0.06%, and coefficient of softening is not less than 0.75, does not have radioactivity.
Claims (10)
1. a chemical industrial gypsum building materials is characterized in that, it comprises each component of following weight percent:
Chemical waste gypsum 30～60%;
Flyash 15～25%;
Slag 20～30%;
Cement clinker 5～20%.
2. chemical industrial gypsum building materials as claimed in claim 1 is characterized in that: this chemical industrial gypsum building materials comprises each component of following weight percent:
Chemical waste gypsum 30～40%;
Flyash 16～22%;
Slag 20～30%;
Cement clinker 5～20%.
3. chemical industrial gypsum building materials as claimed in claim 1 or 2 is characterized in that: this chemical waste gypsum is titanium gypsum, phosphogypsum.
4. chemical industrial gypsum building materials as claimed in claim 1 or 2 is characterized in that: this slag is titanium ore slag, slag, Water Quenching Slag, wollastonite.
5. chemical industrial gypsum building materials as claimed in claim 1 or 2 is characterized in that: this chemical industrial gypsum building materials comprises further that also weight percent is 0～5% auxiliary agent, and this auxiliary agent is early strength water-reducing agent or exciting agent.
6. chemical industrial gypsum building materials as claimed in claim 5 is characterized in that: the concrete composition of this auxiliary agent is selected from any one in the following reagent: Na
2SO
4, K
2SO
4, NaHSO
4, FeSO
4, lime, cement, NaOH, alkali blast furnace slag, calcined dolomite, bone.
7. chemical industrial gypsum building materials as claimed in claim 1 is characterized in that: when this chemical waste gypsum is Titanium White Production By Sulfuric Acid Process, add a kind of mud shape waste residue that lime or carbide slag are produced with the neutralizing acid wastewater, free water content is not higher than 50%, CaSO
42H
2O is not less than 80%.
8. chemical industrial gypsum building materials as claimed in claim 1 is characterized in that: this chemical waste gypsum is the solid slag that produces when producing phosphoric acid with sulfuric acid treating phosphorite in phophatic fertilizer production process, and its main component is a calcium sulfate.
9. chemical industrial gypsum building materials as claimed in claim 1 is characterized in that: this chemical industrial gypsum building materials is standard solid block or hollow brick.
10. a chemical industrial gypsum building materials manufacture method is characterized in that comprising the steps:
A, prepare raw material according to following weight percent:
Chemical waste gypsum 30～60%
Flyash 15～25%
Slag 20～30%
Cement clinker 5～20%
Auxiliary agent 0～5%;
B, above-mentioned each component mixed grind, make slip, compression moulding is again left standstill more than 7 days then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100757666A CN100534945C (en) | 2007-08-15 | 2007-08-15 | Chemical industrial gypsum building materials and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100757666A CN100534945C (en) | 2007-08-15 | 2007-08-15 | Chemical industrial gypsum building materials and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101139198A true CN101139198A (en) | 2008-03-12 |
| CN100534945C CN100534945C (en) | 2009-09-02 |
Family
ID=39191332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100757666A Expired - Fee Related CN100534945C (en) | 2007-08-15 | 2007-08-15 | Chemical industrial gypsum building materials and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100534945C (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812300A (en) * | 2010-04-16 | 2010-08-25 | 北京炀通灿路科技发展有限责任公司 | Soil and rock curing agent and manufacturing method thereof and road structure and manufacturing method thereof |
| CN102275970A (en) * | 2011-05-20 | 2011-12-14 | 攀枝花市微创科技开发有限公司 | Comprehensive utilization method of titanium white waste acid and wastewater |
| CN101445355B (en) * | 2008-12-23 | 2012-01-11 | 张勇飞 | Construction material produced by utilizing industrial residue |
| CN101492274B (en) * | 2009-03-12 | 2012-02-01 | 济南高新区工业废弃物利用研发中心 | Titanium gypsum dry mixed mortar |
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| CN107777985A (en) * | 2016-08-31 | 2018-03-09 | 武春洋 | A kind of industrial residue phosphogypsum building block and preparation method thereof |
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2007
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