CN103232180A - Composition and application thereof - Google Patents
Composition and application thereof Download PDFInfo
- Publication number
- CN103232180A CN103232180A CN2013101527722A CN201310152772A CN103232180A CN 103232180 A CN103232180 A CN 103232180A CN 2013101527722 A CN2013101527722 A CN 2013101527722A CN 201310152772 A CN201310152772 A CN 201310152772A CN 103232180 A CN103232180 A CN 103232180A
- Authority
- CN
- China
- Prior art keywords
- paris
- plaster
- composition
- gypsum
- citric acid
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 37
- 239000010440 gypsum Substances 0.000 claims abstract description 38
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 105
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 40
- 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 claims description 37
- 239000011507 gypsum plaster Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 8
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 239000002594 sorbent Substances 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 239000008394 flocculating agent Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000003469 silicate cement Substances 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 abstract 1
- 239000003463 adsorbent Substances 0.000 abstract 1
- 239000010459 dolomite Substances 0.000 abstract 1
- 229910000514 dolomite Inorganic materials 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 12
- 238000009423 ventilation Methods 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a composition which comprises citric gypsum, an adsorbent, sierozem, a chloride, a hydraulic gel material, an inorganic flocculant, dolomite and brilliant blue. The invention also provides a method for preparing building gypsum by use of the composition and building gypsum prepared by the method. The building gypsum prepared from the composition disclosed by the invention solves the problems of yellowing, low strength (easy breakage), mildewing in summer, rust generation and the like of the product in a conventional technology of producing building gypsum from citric gypsum. According to the method for preparing building gypsum disclosed by the invention, the physical and chemical properties of the raw materials are thoroughly improved and the pH value tends to be stable through a double chemical reaction between the citric gypsum raw material and the added formula at the temperature generated during the machine operation.
Description
Technical field
The invention belongs to the plaster of Paris field, be specifically related to a kind of composition and application thereof that utilizes citric acid gypsum to produce plaster of Paris.
Background technology
Citric acid enterprise produces in the citric acid process can produce a large amount of citric acid gypsum offscums, and its solid waste is mainly based on terra alba, because the free-water and the more citric acid that contain in the waste about 35% are residual, pH value is at 2-3.Present most of enterprise adopts expropriation of land to stack or land-fill method is handled, and so not only wastes land resources, and not from solving the pollution problem that waste causes in fact, thereby cause a kind of new white pollution.The citric acid gypsum that utilization contains terra alba produces plaster of Paris, and can to replace the plaster of paris will be again a very significant thing, not only solve the pollution problem that citric acid gypsum brings, and save the soil cultivating area simultaneously.
Produce all methods of chemical by-product gypsum at present both at home and abroad and roughly be divided into two kinds: the first, high-temperature calcination desiccating method, raw material is sent into calcining kiln inside through conveying belt, calcining for some time is got rid of from the material mouth after reaching requirement moisture, this technical process is relatively simply suitable relatively to the plaster of paris, desulfurated plaster etc., but citric acid gypsum is different from the plaster of paris with desulfurated plaster, only the oven dry calcining can not cause complete change to its material properties, therefore can't use when producing building materials; The second, WATER-WASHING METHOD is fetched water toward the raw material the inside, reaches to utilize the acidic substance that contain in the water dilution raw material, so not only causes a large amount of water pollutions also to increase the coal consumption increase that the later stage calcining brings, thereby has increased the weight of topsoil.In the common process citric acid gypsum produce behind the plaster of Paris product can brightness reversion, intensity not high (frangibility), summer are mouldy becomes mildewed, has a series of problems such as iron rust point.
Therefore the existing method of utilizing citric acid gypsum to produce plaster of Paris both at home and abroad made a general survey of at present all can not well be applied in the technology of production plaster of Paris of citric acid gypsum.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of composition and application thereof, said composition utilizes citric acid gypsum to produce composition and the application thereof of plaster of Paris.
Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of composition, described composition comprise citric acid gypsum, sorbent material, grey calcium, muriate, hydraulic cementing materials, inorganic flocculating agent, rhombspar, phthalein green grass or young crops.In the mentioned component, grey calcium can improve anti-damage, the abrasion resistance of product.Described phthalein is blue or green to be in harmonious proportion as form and aspect.
Described composition is made up of following mass fraction: 1000 parts of citric acid gypsums, sorbent material 0.01-0.1 part, grey calcium 0.1-0.5 part, muriate 1-4.5 part, hydraulic cementing materials 0.5-1.0 part, inorganic flocculating agent 0.25-0.9 part, rhombspar 2-3 part, the blue or green 0.03-0.15 part of phthalein.
Described sorbent material is one or more in gac, silica gel or the activated alumina.The carrier that described sorbent material is used as absorbs all gases, impurity and steam.
Described muriate is one or more in sodium-chlor, the calcium chloride.Muriate is used as carrier, and sodium-chlor is the moiety of SYNTHETIC OPTICAL WHITNER, and calcium chloride is as dewatering agent.
Intensity early stage in order to improve, late period, described hydraulic cementing materials is one or more in silicate cement, aluminate cement, the aluminosulfate cement.Wherein, the silicate cement good heat preservation performance increases workability, resists scrubbing property strong.
Described inorganic flocculating agent is one or more in potassium aluminium sulfate, aluminum chloride, ferric sulfate, Tai-Ace S 150 or the iron(ic) chloride.
A kind of preparation method of plaster of Paris, above-mentioned composition is carried out following treatment step as raw material: the mixing of 1) raw material being weighed is delivered to pneumatic drier through rotary conveyor and is obtained mixture, and mixing temperature is more than 80 ℃; 2) mixture is delivered to rotary kiln by transfer roller and is calcined indirectly behind sack cleaner and tornado dust collector, Heating temperature to 160 ℃-190 ℃, mixture is calcined 15-40min indirectly and is obtained material in rotary kiln, make material reach under the situation of 2-10 crystal water and got rid of by the rotary kiln discharge port that pH value reaches 7-8.5; 3) material of getting rid of from the rotary kiln discharge port enters storage bin through transfer roller, Chen Hua 24 hours; 4) material of Chen Huahou is milled to 80 orders-160 order fineness through pulverizing mill, and pH value 7-8.5 is stable; 5) pack, advance the storehouse and obtain the plaster of Paris finished product.
Among the embodiment of the inventive method, generally be citric acid gypsum to be placed ventilation vacant lot stacked 80-150 days, the free-water that detects in the waste is down to about 20%, and pH value is 3.5-6.Calculate according to 10 tons of citric acid gypsum productions, sorbent material 1Kg, grey calcium 5Kg, sodium-chlor 45Kg, silicate cement 10Kg, Tai-Ace S 150 9Kg, rhombspar 30Kg, the blue or green 1.5Kg of phthalein, deliver to pneumatic drier through rotary conveyor, utilize hot gas flow to be heated to 80 ℃, preliminary chemical reaction takes place; Calcine oven dry indirectly through entering rotary kiln behind sack cleaner and the tornado dust collector, temperature rises to 190 ℃, and sufficient chemical reaction takes place, and material is discharged pH value 7.5-8 from discharge port.Storage bin Chen Hua 24 hours, be milled to 130 orders through pulverizer, the packing warehouse-in.The back finds that the whiteness of this batch terra alba reaches 88%, fineness 130 orders, drinking water rate 78%, 8, two hours folding strength 〉=2.4MPa of pH value, ultimate compression strength 〉=3.8MPa, 6 minutes presetting periods, final setting time 12 minutes after testing.
The plaster of Paris that above-mentioned preparation method makes is to be made as raw material by above-mentioned composition.
Described plaster of Paris whiteness is 83%-88%, and fineness 80 orders-160 order, water-intake rate be more than 70%, two hours folding strength 〉=2.3MPa, ultimate compression strength 〉=3.6MPa, 5-12 minutes presetting periods, final setting time 10-20 minutes, pH value 7-8.5.
As preferably, described plaster of Paris whiteness is 88%, fineness 130 orders, 78%, two hour folding strength 〉=2.4MPa of water-intake rate, ultimate compression strength 〉=3.8MPa, 6 minutes presetting periods, final setting time 12 minutes, pH value 8.
Beneficial effect: compared with prior art, advantage of the present invention is: the plaster of Paris of preparation of compositions of the present invention, not only solved in the common process citric acid gypsum produce behind the plaster of Paris product can brightness reversion, intensity not high (frangibility), summer is mouldy, problem such as iron rust is arranged, the temperature that the method for preparing plaster of Paris of the present invention produces when utilizing machine run makes the prescription of citric acid gypsum raw material and interpolation through twice chemical reaction, thoroughly improved raw-material physical properties with chemical property, pH value tends towards stability.If from the material of rotary kiln discharge port output after testing the standard crystal water be higher than at 10 o'clock, can before pulverizer, add all formula mixture gross weights of front 1/4-1/6 with the storing material in material pass through and carry out abrasive dust again after the flood dragon transfer roller stirs.React in the abrasive dust process, guarantee that remaining citric acid in the material obtains removing, the required formulation cost of one ton of product of every production is very low, only needs about 10 yuan.The present invention is dried material in advance through the pneumatic drier of front end, has saved coal consumption; Make original acid material be adjusted to pH value 7.5 by chemical reaction, be tending towards neutral, human body is not constituted injury, can not cause secondary pollution to environment; Only need once prescription of allotment in the production process, reduced manual resource, thereby saved cost of labor.The plaster of Paris whiteness that the present invention produces reaches 83%-88%, and fineness 130 orders, water-intake rate are more than 70%, two hours folding strength 〉=2.6MPa, ultimate compression strength 〉=3.8MPa, 5-12 minutes presetting periods, final setting time 10-20 minutes, pH value 7-7.5.Belong to a kind of middle and high end plaster of Paris, cheap, easily accepted by market.
After mixing citric acid gypsum and said mixture by chemical process, the present invention is delivered in the rotary kiln calcining 15-40min indirectly.Chemical reaction takes place in the acidic substance that contain in the citric acid gypsum and the basic cpd in the mixture in the rotary kiln of high temperature 160OC-190OC, a spot of element sulphur contacts with oxygen under air stream drying and rotary kiln internal high temperature state and produces sulfur dioxide gas and discharge in the material, ash calcium can make the citric acid generation oxidizing reaction that contains in the oxidation citric acid gypsum thoroughly remove citric acid, reaches thoroughly to go yellow effect.Used muriate is the moiety of SYNTHETIC OPTICAL WHITNER, makes also further to reach yellow effect when the gypsum whiteness is improved.Natural mineral matters such as adding rhombspar make the intensity of gypsum be improved.The usage quantity of above-mentioned grey calcium and basic cpd needs determine the incorporation size according to pH value and the water content of citric acid gypsum raw material, so the addition of each component has directly influenced the quality of product in the composition.
Embodiment
The present invention is further described below by specific embodiment; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention; can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
The performance of the proportioning of composition of the present invention and the plaster of Paris of making is shown in table 1-8.
Table 1 embodiment 1-3 places ventilation vacant lot with citric acid gypsum to stack 80 days, and the free-water that detects in the waste is down to 28%, and pH value is 3.5-4.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 2 embodiment 4-6 places ventilation vacant lot with citric acid gypsum to stack 90 days, and the free-water that detects in the waste is down to 27%, and pH value is 4-4.5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 3 embodiment 7-9 places ventilation vacant lot with citric acid gypsum to stack 100 days, and the free-water that detects in the waste is down to 26%, and pH value is 4-4.5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 4 embodiment 10-12 places ventilation vacant lot with citric acid gypsum to stack 110 days, and the free-water that detects in the waste is down to 26%, and pH value is 4.5-5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 5 embodiment 13-15 places ventilation vacant lot with citric acid gypsum to stack 120 days, and the free-water that detects in the waste is down to 25%, and pH value is 4.5-5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 6 embodiment 16-18 places ventilation vacant lot with citric acid gypsum to stack 130 days, and the free-water that detects in the waste is down to 25%, and pH value is 4.5-5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 7 embodiment 19-21 places ventilation vacant lot with citric acid gypsum to stack 150 days, and the free-water that detects in the waste is down to 24%, and pH value is 5-5.5.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Table 8 embodiment 22-24 places ventilation vacant lot with citric acid gypsum to stack 180 days, and the free-water that detects in the waste is down to 23%, and pH value is 5.5-6.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Above-mentioned only is the preferred embodiment of the invention, is not restricted to the present invention.To those of ordinary skill in the art, can also make other multi-form variation or changes on the basis of the above description.Here need not also can't all embodiment to be illustrated.And the scheme apparent variation of extending out or change still are within protection scope of the present invention thus.
Claims (10)
1. a composition is characterized in that, described composition comprises citric acid gypsum, sorbent material, grey calcium, muriate, hydraulic cementing materials, inorganic flocculating agent, rhombspar, phthalein green grass or young crops.
2. a kind of composition according to claim 1, it is characterized in that described composition is made up of following mass fraction: 1000 parts of citric acid gypsums, sorbent material 0.01-0.1 part, grey calcium 0.1-0.5 part, muriate 1-4.5 part, hydraulic cementing materials 0.5-1.0 part, inorganic flocculating agent 0.25-0.9 part, rhombspar 2-3 part, the blue or green 0.03-0.15 part of phthalein.
3. composition according to claim 2 is characterized in that, described sorbent material is one or more in gac, silica gel or the activated alumina.
4. according to claim 2 or 3 each described compositions, it is characterized in that described muriate is one or more in sodium-chlor, the calcium chloride.
5. composition according to claim 4 is characterized in that, described hydraulic cementing materials is one or more in silicate cement, aluminate cement, the aluminosulfate cement.
6. composition according to claim 5 is characterized in that, described inorganic flocculating agent is one or more in potassium aluminium sulfate, aluminum chloride, ferric sulfate, Tai-Ace S 150 or the iron(ic) chloride.
7. the preparation method of a plaster of Paris, it is characterized in that, each described composition of claim 1-6 is carried out following treatment step as raw material: the mixing of 1) raw material being weighed is delivered to pneumatic drier through rotary conveyor and is obtained mixture, and mixing temperature is more than 80 ℃; 2) mixture is delivered to rotary kiln by transfer roller and is calcined indirectly behind sack cleaner and tornado dust collector, Heating temperature to 160 ℃-190 ℃, mixture is calcined 15-40min indirectly and is obtained material in rotary kiln, make material reach under the situation of 2-10 crystal water and got rid of by the rotary kiln discharge port that pH value reaches 7-8.5; 3) material of getting rid of from the rotary kiln discharge port enters storage bin through transfer roller, Chen Hua 24 hours; 4) material of Chen Huahou is milled to 80 orders-160 order fineness through pulverizing mill, and pH value 7-8.5 is stable; 5) pack, advance the storehouse and obtain the plaster of Paris finished product.
8. the plaster of Paris that is made by the described preparation method of claim 7 is characterized in that, described plaster of Paris is to be made as raw material by each described composition of claim 2-6.
9. plaster of Paris according to claim 8, it is characterized in that, described plaster of Paris whiteness is 83%-88%, fineness 80 orders-160 order, water-intake rate be more than 70%, two hours folding strength 〉=2.3MPa, ultimate compression strength 〉=3.6MPa, 5-12 minutes presetting periods, final setting time 10-20 minutes, pH value 7-8.5.
10. according to Claim 8 or 9 described plaster of Paris, it is characterized in that described plaster of Paris whiteness is 88%, fineness 130 orders, 78%, two hour folding strength 〉=2.4MPa of water-intake rate, ultimate compression strength 〉=3.8MPa, 6 minutes presetting periods, final setting time 12 minutes, pH value 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152772.2A CN103232180B (en) | 2013-04-27 | 2013-04-27 | Composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152772.2A CN103232180B (en) | 2013-04-27 | 2013-04-27 | Composition and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103232180A true CN103232180A (en) | 2013-08-07 |
| CN103232180B CN103232180B (en) | 2014-07-09 |
Family
ID=48880265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310152772.2A Expired - Fee Related CN103232180B (en) | 2013-04-27 | 2013-04-27 | Composition and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103232180B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108798A (en) * | 2022-06-29 | 2022-09-27 | 武汉三源特种建材有限责任公司 | Large-flow-state self-compacting citric acid gypsum mortar and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020127173A1 (en) * | 2001-01-15 | 2002-09-12 | Andreas Bulan | Process for utilizing waste salt mixtures from halex reactions |
| CN101265067A (en) * | 2008-04-28 | 2008-09-17 | 长沙归一建材科技有限公司 | Water-resisting high-strength gypsum-base concrete brick or building block, and producing method thereof |
| CN101306925A (en) * | 2008-07-04 | 2008-11-19 | 昆明理工大学 | Process for preparing modified ardealite by water-free calcining |
| CN101456686A (en) * | 2007-12-10 | 2009-06-17 | 尹小林 | Novel industrial waste gypsum self forming energy-saving process |
| CN101979353A (en) * | 2010-10-29 | 2011-02-23 | 福建省邵武市永飞化工有限公司 | Fluorgypsum modifying method and process for producing other chemical products by using fluorgypsum |
-
2013
- 2013-04-27 CN CN201310152772.2A patent/CN103232180B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020127173A1 (en) * | 2001-01-15 | 2002-09-12 | Andreas Bulan | Process for utilizing waste salt mixtures from halex reactions |
| CN101456686A (en) * | 2007-12-10 | 2009-06-17 | 尹小林 | Novel industrial waste gypsum self forming energy-saving process |
| CN101265067A (en) * | 2008-04-28 | 2008-09-17 | 长沙归一建材科技有限公司 | Water-resisting high-strength gypsum-base concrete brick or building block, and producing method thereof |
| CN101306925A (en) * | 2008-07-04 | 2008-11-19 | 昆明理工大学 | Process for preparing modified ardealite by water-free calcining |
| CN101979353A (en) * | 2010-10-29 | 2011-02-23 | 福建省邵武市永飞化工有限公司 | Fluorgypsum modifying method and process for producing other chemical products by using fluorgypsum |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108798A (en) * | 2022-06-29 | 2022-09-27 | 武汉三源特种建材有限责任公司 | Large-flow-state self-compacting citric acid gypsum mortar and preparation method thereof |
| CN115108798B (en) * | 2022-06-29 | 2023-05-12 | 武汉三源特种建材有限责任公司 | Large-flow-state self-compaction citric acid gypsum mortar and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103232180B (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI567048B (en) | A method for producing a cement composition | |
| CN104446063B (en) | Cement and its manufacture method | |
| CN104556882B (en) | A kind of method of the concrete product utilizing construction material manufacture to have carbon sequestration function | |
| CN102249577B (en) | Process method for producing building gypsum powder by utilizing citric acid gypsum | |
| CN103043985B (en) | Titanium gypsum composite binding material and preparation method thereof | |
| CN103693943B (en) | Method for firing ceramsite with sludge dehydrated through conditioning | |
| CN102765890B (en) | Method using titanium gypsum and acetylene sludge to prepare high-calcium sulphoaluminate or high-sulfur clinkers | |
| CN102849969A (en) | Method for preparing sulphoaluminate cement clinker by using red mud and phosphogypsum | |
| CN101724403A (en) | Multifunction soil conditioner and preparation method thereof | |
| CN100418917C (en) | Handling method for using aluminum sulfate slag as cement ingredient | |
| CN101560110B (en) | Spherical light porous material for wastewater treatment | |
| CN102311254B (en) | Method for preparing stucco gypsum from sintering desulfurization gypsum | |
| CN102617058A (en) | Method for preparing hydraulic cementing material by utilizing sulfur fixation ash | |
| CN104016603A (en) | Preparation method of industrial waste residue mixed ore powder | |
| CN106698988B (en) | Carbonate rock modified phosphogypsum and preparation method thereof | |
| CN104962294A (en) | Soil conditioner and preparation method thereof | |
| CN104355590A (en) | Method for firing paving brick by municipal sludge | |
| CN107445498A (en) | A kind of preparation method of phosphogypsum powder coal ash composite gelled material | |
| CN101343149B (en) | Sewage water body refuse type cement and method of preparing the same | |
| CN104016601A (en) | Method for producing cement cementing material through industrial waste residue sludge | |
| CN104402383A (en) | Premixed thermal insulation mortar prepared from gypsum, and preparation method for mortar | |
| CN104030585B (en) | The method of clinker is made of sludge | |
| CN102167533A (en) | Slag cement admixture including compositely activated and modified manganese slag and preparation method thereof | |
| CN100577588C (en) | Method for producing building gypsum from modified phosphorus gypsum | |
| CN103232180B (en) | Composition and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130807 Assignee: Nantong Xinmiao new building materials Co. Ltd. Assignor: Ding Haijun Contract record no.: 2014320000362 Denomination of invention: Composition and its use License type: Exclusive License Record date: 20140428 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANTONG XINMIAO NEW BUILDING MATERIAL CO., LTD. Free format text: FORMER OWNER: DING HAIJUN Effective date: 20150116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150116 Address after: 226500, Nantong City, Jiangsu province Rugao moved through town, moving east village ten Patentee after: Nantong Xinmiao new building materials Co. Ltd. Address before: 226500, No. twenty-one, No. 23, moved through village, moved Town, Rugao City, Jiangsu, Nantong Patentee before: Ding Haijun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |