CA1083778A - Appareil et procede de preparation de gypse calcine - Google Patents
Appareil et procede de preparation de gypse calcineInfo
- Publication number
- CA1083778A CA1083778A CA300,287A CA300287A CA1083778A CA 1083778 A CA1083778 A CA 1083778A CA 300287 A CA300287 A CA 300287A CA 1083778 A CA1083778 A CA 1083778A
- Authority
- CA
- Canada
- Prior art keywords
- container
- gypsum
- calcined gypsum
- water
- propeller
- 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.)
- Expired
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 131
- 239000010440 gypsum Substances 0.000 title claims abstract description 131
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 238000010408 sweeping Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 23
- 239000002002 slurry Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 238000001354 calcination Methods 0.000 description 6
- 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 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000272476 Gyps Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C1/00—Apparatus or methods for obtaining or processing clay
- B28C1/02—Apparatus or methods for obtaining or processing clay for producing or processing clay suspensions, e.g. slip
- B28C1/04—Producing suspensions, e.g. by blunging or mixing; with means for removing stones
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/788,953 US4153373A (en) | 1977-03-14 | 1977-04-19 | Apparatus and process for preparing calcined gypsum |
| US788,953 | 1991-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1083778A true CA1083778A (fr) | 1980-08-19 |
Family
ID=25146109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA300,287A Expired CA1083778A (fr) | 1977-04-19 | 1978-04-03 | Appareil et procede de preparation de gypse calcine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS53132020A (fr) |
| AU (1) | AU515056B2 (fr) |
| CA (1) | CA1083778A (fr) |
| GB (1) | GB1575782A (fr) |
| MX (1) | MX145769A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2116864B (en) * | 1982-03-11 | 1985-12-18 | Steven Jodrell | Machine for mixing plaster |
| JP6336385B2 (ja) * | 2014-12-24 | 2018-06-06 | 株式会社トクヤマ | 石膏スラリーの製造方法と製造装置 |
-
1977
- 1977-12-16 AU AU31655/77A patent/AU515056B2/en not_active Expired
-
1978
- 1978-04-03 CA CA300,287A patent/CA1083778A/fr not_active Expired
- 1978-04-06 GB GB1359478A patent/GB1575782A/en not_active Expired
- 1978-04-19 JP JP4622678A patent/JPS53132020A/ja active Pending
- 1978-04-19 MX MX17316578A patent/MX145769A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU515056B2 (en) | 1981-03-12 |
| MX145769A (es) | 1982-03-29 |
| AU3165577A (en) | 1979-06-21 |
| JPS53132020A (en) | 1978-11-17 |
| GB1575782A (en) | 1980-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |