JP5161959B2 - 硫酸カルシウム二水和物からα‐硫酸カルシウム半水和物を製造する方法 - Google Patents
硫酸カルシウム二水和物からα‐硫酸カルシウム半水和物を製造する方法 Download PDFInfo
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- JP5161959B2 JP5161959B2 JP2010508697A JP2010508697A JP5161959B2 JP 5161959 B2 JP5161959 B2 JP 5161959B2 JP 2010508697 A JP2010508697 A JP 2010508697A JP 2010508697 A JP2010508697 A JP 2010508697A JP 5161959 B2 JP5161959 B2 JP 5161959B2
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- calcium sulfate
- autoclave
- stirring type
- dihydrate
- sulfate hemihydrate
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- 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
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- C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate
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- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49133—Assembling to base an electrical component, e.g., capacitor, etc. with component orienting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49139—Assembling to base an electrical component, e.g., capacitor, etc. by inserting component lead or terminal into base aperture
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
(2) 支持体
(3) 鎖
(4) 濃縮物排出口(カバーを加熱する)
(5) 撹拌器(加熱される)
(6) 内部カバー
(7) 凝集物流出口(撹拌器を加熱する)
(8) 蒸気供給器(撹拌器を加熱する)
(9) 圧縮空気供給器
(10) α‐硫酸カルシウム半水和物の放出口
(11) 検査開口
(12) プロセス蒸気放出口
(13) スプレーノズル
(14) 原料注入口
(15) 蒸気供給器(カバーを加熱する)
(16) 駆動軸(撹拌器)
(17) 蒸気遠心分離機
(18) 制御弁、動作弁
(19) ベンチュリースクラバ
(20) α核の帰還部
(21) 濃縮器
(22) 水供給器
(23) プロセス送水ポンプ
(24) プロセス水冷却器
Claims (13)
- カルシウム二水和物からα‐硫酸カルシウム半水和物を製造する方法において、
以下の特徴点:
a)撹拌型オートクレーブ(1)を硫酸カルシウム二水和物にて満たし、
b)上記撹拌型オートクレーブ(1)を間接的に加熱し、
c)スプレーノズル(13)から散布することにより水を添加して混合し、
d)上記撹拌型オートクレーブ(1)のパドルおよび/または駆動軸(16)に適合した移動する鎖(3)によって、反応室の表面に対する原料の付着を抑制し、
e)上記反応室の内部における圧力が特定の圧力に到達したときに、遠心分離型分離機(17)および動作弁(18)を介して導入した蒸気を排出することによって、上記反応室における圧力を、周期的または継続的に調節し、
f)残留物を乾燥するために、低温空気を上記反応室に供給し、
g)プロセス原料を除去する、
を備えることを特徴とする方法。 - a)α‐硫酸カルシウム半水和物の形での核の添加、および、
b)水に溶解した添加物の制御された添加および混合、を特徴とする請求項1に記載の方法。 - ベンチュリースクラバ(19)が遠心分離型分離機(17)の下流に連結されていることを特徴とする請求項1または2に記載の方法。
- 上記遠心分離型分離機(17)および/またはベンチュリースクラバ(19)に付着した上記原料をα‐硫酸カルシウム半水和物の製造方法に再利用することを特徴とすることを特徴とする請求項1〜3の何れか1項に記載の方法。
- 上記撹拌型オートクレーブ(1)に粉末の天然石膏、排煙脱硫石膏または微細化された合成石膏を充填することを特徴とする請求項1〜4の何れか1項に記載の方法。
- 化石エネルギー、太陽エネルギー、風力エネルギーまたは原子過程にて産出された予熱を用いて、上記撹拌型オートクレーブ(1)を加熱することを特徴とする請求項1〜5の何れか1項に記載の方法。
- 硫酸カルシウム二水和物の質量に対する5%以上の範囲にて、核を添加することを特徴とする請求項1〜6の何れか1項に記載の方法。
- 硫酸カルシウム二水和物の質量に対する20%以上の範囲にて、核を添加することを特徴とする請求項1〜7の何れか1項に記載の方法。
- 撹拌型オートクレーブ(1)の外周に、均一にまたは不均一に配置されたスプレーノズル(13)を通じた導入によって、制御された手法において水を添加することを特徴とする請求項8に記載の方法。
- 複数の撹拌型オートクレーブ(1)を、連結して同時に稼働することを特徴とする請求項1〜9の何れか1項に記載の方法。
- 撹拌型オートクレーブ(1)において、カルシウム二水和物からα‐硫酸カルシウム半水和物を製造する装置において、
以下の特徴点:
a)上記撹拌型オートクレーブ(1)は、2つの壁を有し、間接的に加熱されるものであり、
充填された原料を撹拌する攪拌器(5)は、加熱可能であり、
b)スプレーノズル(13)は、撹拌型オートクレーブ(1)のカバー上に配置されており、上記スプレーノズル(13)は、作動手段がスプレーノズル(13)を介して導入可能に構成されており、
c)緩く吊られた鎖(3)は、撹拌器(5)の近傍に固定されており、
d)遠心分離型分離機(17)およびベンチュリースクラバ(19)が、撹拌型オートクレーブ(1)の下流に連結されていることを特徴とする装置。 - 遠心分離型分離機(17)およびベンチュリースクラバ(19)内に付着した上記原料が、上記撹拌型オートクレーブ(1)に戻されることを特徴とする請求項11に記載の装置。
- 複数のオートクレーブ(1)が連結されて同時に稼働されるものであることを特徴とする請求項11または12に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102007024188A DE102007024188B3 (de) | 2007-05-24 | 2007-05-24 | Verfahren zur Herstellung von Alpha-Calciumsulfat-Halbhydrat aus Calciumsulfat-Dihydrat und zugehörige Vorrichtung |
DE102007024188.9 | 2007-05-24 | ||
PCT/DE2008/000854 WO2008141627A1 (de) | 2007-05-24 | 2008-05-20 | Verfahren zur herstellung von alpha-calciumsulfat-halbhydrat aus calciumsulfat-dihydrat |
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US (1) | US7951352B2 (ja) |
EP (1) | EP2150504B1 (ja) |
JP (1) | JP5161959B2 (ja) |
KR (1) | KR101121656B1 (ja) |
CN (1) | CN101679115B (ja) |
CA (1) | CA2685984C (ja) |
DE (2) | DE102007024188B3 (ja) |
ES (1) | ES2402838T3 (ja) |
PL (1) | PL2150504T3 (ja) |
PT (1) | PT2150504E (ja) |
RU (1) | RU2415818C1 (ja) |
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WO (1) | WO2008141627A1 (ja) |
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CN102874858B (zh) * | 2012-09-21 | 2014-10-22 | 孟庆前 | 一种工业副产品石膏的α晶型生产装置及方法 |
JP6078894B2 (ja) * | 2014-02-11 | 2017-02-15 | 凱 劉 | 新型太陽エネルギー蒸気圧力設備 |
CN104984699A (zh) * | 2015-07-24 | 2015-10-21 | 南京西普水泥工程集团有限公司 | 一种有机肥反应釜电加热系统及其方法 |
US10351437B2 (en) * | 2016-10-17 | 2019-07-16 | Lidds Ab | Method for producing calcium sulphate hemihydrate with unique properties |
CN108439451A (zh) * | 2018-06-25 | 2018-08-24 | 中化重庆涪陵化工有限公司 | 利用磷石膏制备轻质碳酸钙的方法 |
DE102018132084B4 (de) * | 2018-12-13 | 2020-10-15 | ARCUS Greencycling Technologies GmbH | Schneckenförderer; Verfahren zur Beseitigung bzw. Verhinderung von Ablagerungen an einer Innenwand eines Rohres eines Schneckenförderers |
DE102018132082A1 (de) * | 2018-12-13 | 2020-06-18 | HKR Beteiligungs GmbH | Schneckenförderer; Pyrolyseanlage; Verfahren zur Pyrolysierung eines Materials mittels eines beheizbaren Pyrolysereaktors |
CN109911927B (zh) * | 2019-04-19 | 2024-05-10 | 王焕德 | 吸水结构、压力容器以及从其内部吸水的方法 |
WO2021254550A1 (de) * | 2020-06-16 | 2021-12-23 | ARCUS Greencycling Technologies GmbH | Schneckenförderer; verfahren zur beseitigung bzw. verhinderung von ablagerungen an einer innenwand eines rohres eines schneckenförderers |
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US1979704A (en) * | 1930-08-05 | 1934-11-06 | United States Gypsum Co | Method of producing high strength calcined gypsum |
GB563019A (en) | 1942-12-21 | 1944-07-26 | Cuthbert Leslie Haddon | Improvements in the manufacture of plaster of paris |
DE937276C (de) * | 1950-04-18 | 1955-12-29 | Edmund Boergardts | Verfahren und Vorrichtung zum Brennen von Gips |
US2616789A (en) | 1951-03-19 | 1952-11-04 | Certain Teed Prod Corp | Method of producing gypsum plaster |
DE952967C (de) * | 1952-01-01 | 1956-11-22 | Emil Thiel | Anlage zum Entwaessern von Gips durch ueberhitzten gespannten Dampf |
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GB2205089B (en) * | 1987-05-22 | 1991-03-13 | Rhein Westfael Elect Werk Ag | Process for production of calcium sulphate alpha-hemihydrate |
DE3844938C2 (de) | 1987-05-22 | 1996-09-19 | Pro Mineral Ges | Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung |
JPH01249636A (ja) * | 1988-03-31 | 1989-10-04 | Onoda Cement Co Ltd | α型半水石膏の製造方法及び製造装置 |
RU2101252C1 (ru) * | 1988-11-18 | 1998-01-10 | Юнайтед Стейтс Джипсум Компани | Сырьевая смесь для получения композиционного материала, композиционный материал, способ приготовления сырьевой смеси для получения композиционного материала и способ производства гипсоволокнистых плит |
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CN101679115A (zh) | 2010-03-24 |
ES2402838T3 (es) | 2013-05-09 |
EP2150504A1 (de) | 2010-02-10 |
CN101679115B (zh) | 2012-07-04 |
KR20100051590A (ko) | 2010-05-17 |
CA2685984A1 (en) | 2008-11-27 |
JP2010527876A (ja) | 2010-08-19 |
RU2415818C1 (ru) | 2011-04-10 |
KR101121656B1 (ko) | 2012-04-16 |
EP2150504B1 (de) | 2013-02-27 |
CA2685984C (en) | 2012-07-03 |
PL2150504T3 (pl) | 2013-06-28 |
PT2150504E (pt) | 2013-04-16 |
US20100166640A1 (en) | 2010-07-01 |
WO2008141627A1 (de) | 2008-11-27 |
UA92123C2 (ru) | 2010-09-27 |
DE102007024188B3 (de) | 2008-04-10 |
DE112008002038A5 (de) | 2010-04-29 |
US7951352B2 (en) | 2011-05-31 |
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