CN113800798A - 一种石膏低温烘干方法及系统 - Google Patents
一种石膏低温烘干方法及系统 Download PDFInfo
- Publication number
- CN113800798A CN113800798A CN202111197913.3A CN202111197913A CN113800798A CN 113800798 A CN113800798 A CN 113800798A CN 202111197913 A CN202111197913 A CN 202111197913A CN 113800798 A CN113800798 A CN 113800798A
- Authority
- CN
- China
- Prior art keywords
- gypsum
- drying
- temperature
- shell
- unit
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 152
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 114
- 239000010440 gypsum Substances 0.000 title claims abstract description 114
- 238000003860 storage Methods 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 24
- 230000032683 aging Effects 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000002431 foraging effect Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
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
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
- C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
- C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate
-
- 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
- C04B11/00—Calcium sulfate cements
- C04B11/007—After-treatment of the dehydration products, e.g. aging, stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111197913.3A CN113800798B (zh) | 2021-10-14 | 2021-10-14 | 一种石膏低温烘干方法及系统 |
Applications Claiming Priority (1)
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CN202111197913.3A CN113800798B (zh) | 2021-10-14 | 2021-10-14 | 一种石膏低温烘干方法及系统 |
Publications (2)
Publication Number | Publication Date |
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CN113800798A true CN113800798A (zh) | 2021-12-17 |
CN113800798B CN113800798B (zh) | 2022-03-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202111197913.3A Active CN113800798B (zh) | 2021-10-14 | 2021-10-14 | 一种石膏低温烘干方法及系统 |
Country Status (1)
Country | Link |
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CN (1) | CN113800798B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000103618A (ja) * | 1998-09-29 | 2000-04-11 | Ishikawajima Harima Heavy Ind Co Ltd | 石膏の製造方法 |
CN106431035A (zh) * | 2016-10-14 | 2017-02-22 | 山东先罗新型建材科技开发有限公司 | 磷石膏制备建筑石膏的装置及其方法 |
CN208792098U (zh) * | 2018-08-01 | 2019-04-26 | 福建铁拓机械有限公司 | 一种沥青混合料搅拌设备加热控制系统及搅拌设备 |
CN213931950U (zh) * | 2021-01-06 | 2021-08-10 | 欧妙 | 一种食品加工用干燥装置 |
-
2021
- 2021-10-14 CN CN202111197913.3A patent/CN113800798B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000103618A (ja) * | 1998-09-29 | 2000-04-11 | Ishikawajima Harima Heavy Ind Co Ltd | 石膏の製造方法 |
CN106431035A (zh) * | 2016-10-14 | 2017-02-22 | 山东先罗新型建材科技开发有限公司 | 磷石膏制备建筑石膏的装置及其方法 |
CN208792098U (zh) * | 2018-08-01 | 2019-04-26 | 福建铁拓机械有限公司 | 一种沥青混合料搅拌设备加热控制系统及搅拌设备 |
CN213931950U (zh) * | 2021-01-06 | 2021-08-10 | 欧妙 | 一种食品加工用干燥装置 |
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Publication number | Publication date |
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CN113800798B (zh) | 2022-03-01 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Method and System for Gypsum Drying at Low Temperature Effective date of registration: 20221219 Granted publication date: 20220301 Pledgee: Anhui Langxi Rural Commercial Bank Co.,Ltd. Pledgor: Anhui longrun polymer material Co.,Ltd. Registration number: Y2022980028037 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220301 Pledgee: Anhui Langxi Rural Commercial Bank Co.,Ltd. Pledgor: Anhui longrun polymer material Co.,Ltd. Registration number: Y2022980028037 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A low-temperature drying method and system for gypsum Granted publication date: 20220301 Pledgee: China Postal Savings Bank Co.,Ltd. Langxi County Branch Pledgor: Anhui longrun polymer material Co.,Ltd. Registration number: Y2024980002331 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |