CN103232180B - Composition and application thereof - Google Patents
Composition and application thereof Download PDFInfo
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- CN103232180B CN103232180B CN201310152772.2A CN201310152772A CN103232180B CN 103232180 B CN103232180 B CN 103232180B CN 201310152772 A CN201310152772 A CN 201310152772A CN 103232180 B CN103232180 B CN 103232180B
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- plaster
- paris
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- gypsum
- citric acid
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- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 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 12
- 238000001354 calcination Methods 0.000 claims description 9
- 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
- 230000032683 aging Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 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
- 238000002156 mixing Methods 0.000 claims description 4
- 239000003469 silicate cement Substances 0.000 claims description 4
- 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
- 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
- AMAICRYCMCVAHT-UHFFFAOYSA-K calcium;sodium;trichloride Chemical compound [Na+].[Cl-].[Cl-].[Cl-].[Ca+2] AMAICRYCMCVAHT-UHFFFAOYSA-K 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 16
- 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 3
- 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
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000026535 de-etiolation Effects 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
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 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
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 230000008859 change Effects 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
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 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
- 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
- 238000012545 processing 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
- 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 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 citric acid process can produce a large amount of citric acid gypsum offscums, and its solid waste is mainly take terra alba as main, and owing to containing in waste, free-water and the more citric acid of 35% left and right is residual, and pH value is at 2-3.Most enterprise adopts expropriation of land to stack or land-fill method processing, so not only wastes land resources, and the pollution problem not causing from solving in fact waste, thereby causes a kind of new white pollution.The citric acid gypsum that utilization contains terra alba is produced into 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 soil cultivating area simultaneously.
Produce at present all methods of chemical by-product gypsum both at home and abroad and be roughly 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 material mouth after reaching requirement moisture, this technical process is relatively simply relatively applicable to the plaster of paris, desulfurated plaster etc., but citric acid gypsum is different from the plaster of paris with desulfurated plaster, only drying calcining can not cause complete change to its material properties, therefore in the time producing building materials, cannot use; The second, WATER-WASHING METHOD, fetches water toward raw material the inside, reaches the acidic substance that contain in sharp dilute with water raw material, so not only causes a large amount of water pollutions also to increase the later stage and calcines the coal consumption increase bringing, thereby increased the weight of topsoil.In common process citric acid gypsum produce after plaster of Paris product can brightness reversion, intensity not high (frangibility), summer are mouldy becomes mildewed, has the series of problems such as iron rust point.
Therefore making a general survey of the domestic and international existing method of utilizing citric acid gypsum to produce plaster of Paris at present all can not well be applied in the technique of production plaster of Paris of citric acid gypsum.
Summary of the invention
Goal of the invention: the object 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 comprises citric acid gypsum, sorbent material, grey calcium, muriate, hydraulic cementing materials, inorganic flocculating agent, rhombspar, phthalein green grass or young crops.In 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 activated alumina.The carrier that described sorbent material is used as, absorbs various gas, impurity and steam.
Described muriate is one or more in sodium-chlor, 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, aluminosulfate cement.Wherein, 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 iron(ic) chloride.
A preparation method for plaster of Paris, carries out following treatment step: the mixing of 1) raw material being weighed is delivered to pneumatic drier through rotary conveyor and obtained mixture, and mixing temperature is more than 80 ℃ using above-mentioned composition as raw material; 2) mixture is delivered to rotary kiln indirect calcination by transfer roller after sack cleaner and tornado dust collector, Heating temperature to 160 ℃-190 ℃, mixture indirect calcination 15-40min in rotary kiln obtains material, material is reached in the situation of 2-10 crystal water and got rid of by rotary kiln discharge port, pH value reaches 7-8.5; 3) material of getting rid of from rotary kiln discharge port, enters storage bin through transfer roller, ageing 24 hours; 4) material after ageing is milled to 80 order-160 order fineness through pulverizing mill, and pH value 7-8.5 is stable; 5) pack, enter storehouse and obtain plaster of Paris finished product.
In the embodiment of the inventive method, be generally citric acid gypsum to be placed to ventilation vacant lot stack 80-150 days, the free-water detecting in waste is down to 20% left and right, and pH value is 3.5-6.According to 10 tons of citric acid gypsum production calculations, 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 occurs; After sack cleaner and tornado dust collector, enter rotary kiln indirect calcination and dry, temperature rises to 190 ℃, and sufficient chemical reaction occurs, and material is discharged pH value 7.5-8 from discharge port.Storage bin ageing 24 hours, be milled to 130 orders through pulverizer, packing warehouse-in.The whiteness of finding afterwards after testing this batch of 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.
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%, fineness 80 order-160 orders, and water-intake rate is 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: plaster of Paris prepared by composition of the present invention, not only solved in common process citric acid gypsum produce after plaster of Paris product can brightness reversion, intensity not high (frangibility), summer is mouldy, have the problems such as iron rust, the temperature that the method for preparing plaster of Paris of the present invention produces while utilizing machine run makes the formula 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 standard crystal water higher than 10 o'clock, can before pulverizer, add all formula mixture gross weights above 1/4-1/6 with storing material in material after flood dragon transfer roller stirs, carry out again abrasive dust.In abrasive dust process, react, guarantee that the remaining citric acid in material is removed, the required formulation cost of one ton of product of every production is very low, only needs 10 yuan of left and right.The present invention, through the pneumatic drier material drying in advance 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 formed injury, can not cause secondary pollution to environment; In production process, only need once formula of allotment, reduced manual resource, thereby saved cost of labor.The plaster of Paris whiteness that the present invention produces reaches 83%-88%, fineness 130 orders, and water-intake rate is 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.
The present invention is delivered to indirect calcination 15-40min in rotary kiln after citric acid gypsum being mixed with said mixture by chemical process.In the rotary kiln of high temperature 160OC-190OC, there is chemical reaction in the basic cpd in acidic substance and the mixture containing in citric acid gypsum, element sulphur a small amount of in material produces sulfur dioxide gas discharge at air stream drying with contacting with oxygen under rotary kiln internal high temperature state, ash calcium can make to be oxidized the citric acid generation oxidizing reaction containing in citric acid gypsum and thoroughly remove citric acid, reaches the effect of thorough de-etiolation.Muriate used is the moiety of SYNTHETIC OPTICAL WHITNER, also can further reach the effect of de-etiolation when gypsum whiteness is improved.Add the natural mineral matters such as rhombspar that the intensity of gypsum is improved.The usage quantity of above-mentioned grey calcium and basic cpd need be determined incorporation size according to the pH value of citric acid gypsum raw material and water content, and therefore in composition, the addition of each component has directly affected the quality of product.
Embodiment
Below by specific embodiment, the present invention is further described; it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles 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 as shown in table 1-8.
Table 1 embodiment 1-3 places ventilation vacant lot by citric acid gypsum to stack 80 days, and the free-water detecting in waste is down to 28%, pH value 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 by citric acid gypsum to stack 90 days, and the free-water detecting in waste is down to 27%, pH value 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 by citric acid gypsum to stack 100 days, and the free-water detecting in waste is down to 26%, pH value 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 by citric acid gypsum to stack 110 days, and the free-water detecting in waste is down to 26%, pH value 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 by citric acid gypsum to stack 120 days, and the free-water detecting in waste is down to 25%, pH value 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 by citric acid gypsum to stack 130 days, and the free-water detecting in waste is down to 25%, pH value 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 by citric acid gypsum to stack 150 days, and the free-water detecting in waste is down to 24%, pH value 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 by citric acid gypsum to stack 180 days, and the free-water detecting in waste is down to 23%, pH value 5.5-6.The performance of concrete proportioning and the plaster of Paris of preparation is as follows:
Above are only the preferred embodiment of the invention, be not not restricted to the present invention.To those of ordinary skill in the art, can also make on the basis of the above description other multi-form variation or variations.Here without also illustrating all embodiment.And the apparent variation that scheme is extended out thus or variation are still within protection scope of the present invention.
Claims (9)
1. a composition, it 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, and 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.
2. composition according to claim 1, is characterized in that, described sorbent material is one or more in gac, silica gel or activated alumina.
3. composition according to claim 2, is characterized in that, described muriate is one or more in sodium-chlor, calcium chloride.
4. composition according to claim 3, is characterized in that, described hydraulic cementing materials is one or more in silicate cement, aluminate cement, aluminosulfate cement.
5. composition according to claim 4, 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 iron(ic) chloride.
6. the preparation method of a plaster of Paris, it is characterized in that, composition described in claim 1-5 any one is carried out to following treatment step as raw material: the mixing of 1) raw material being weighed is delivered to pneumatic drier through rotary conveyor and obtained mixture, and mixing temperature is more than 80 ℃; 2) mixture is delivered to rotary kiln indirect calcination by transfer roller after sack cleaner and tornado dust collector, Heating temperature to 160 ℃-190 ℃, mixture indirect calcination 15-40min in rotary kiln obtains material, material is reached in the situation of 2-10 crystal water and got rid of by rotary kiln discharge port, pH value reaches 7-8.5; 3) material of getting rid of from rotary kiln discharge port, enters storage bin through transfer roller, ageing 24 hours; 4) material after ageing is milled to 80 order-160 order fineness through pulverizing mill, and pH value 7-8.5 is stable; 5) pack, enter storehouse and obtain plaster of Paris finished product.
7. the plaster of Paris being made by preparation method claimed in claim 6, is characterized in that, described plaster of Paris is to be made as raw material by the composition described in claim 2-5 any one.
8. plaster of Paris according to claim 7, it is characterized in that, described plaster of Paris whiteness is 83%-88%, fineness 80 order-160 orders, water-intake rate is 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.
9. according to the plaster of Paris described in claim 7 or 8, 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.
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| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| DE10101394A1 (en) * | 2001-01-15 | 2002-07-18 | Bayer Ag | Re-utilization of Halex reaction salt mixture by-product involves treating with sulfuric acid and then calcium fluoride to give a calcium sulfate binder useful in building materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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