CN113800798B - 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
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- CN113800798B CN113800798B CN202111197913.3A CN202111197913A CN113800798B CN 113800798 B CN113800798 B CN 113800798B CN 202111197913 A CN202111197913 A CN 202111197913A CN 113800798 B CN113800798 B CN 113800798B
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- Prior art keywords
- drying
- gypsum
- shell
- unit
- rotating rod
- 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.)
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/007—After-treatment of the dehydration products, e.g. aging, stabilisation
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- 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 (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|
| CN113800798A CN113800798A (zh) | 2021-12-17 |
| CN113800798B true CN113800798B (zh) | 2022-03-01 |
Family
ID=78937570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
|---|---|
| CN (1) | CN113800798B (zh) |
Family Cites Families (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 |
| CN106431035B (zh) * | 2016-10-14 | 2018-08-03 | 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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2021
- 2021-10-14 CN CN202111197913.3A patent/CN113800798B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113800798A (zh) | 2021-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force 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 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 |
|
| 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 |
|
| 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: China Postal Savings Bank Co.,Ltd. Langxi County Branch Pledgor: Anhui longrun polymer material Co.,Ltd. Registration number: Y2024980002331 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |