专利检索_ .脱水产物的后处理如老化稳定专利检索_ .脱水产物的后处理如老化稳定专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
61	Apparatus and process for removing steam calcined stucco is cooled	JP2007521464	2005-05-19	JP5011461B2	2012-08-29	クリストファー，アール．ネルソン，; ブルース，リンパターセン，; マイケル，ジェー．ポーター，; マイケル，エル．ボリンド，

62	Method of processing the calcium sulfate hemihydrate	JP2009541709	2007-12-17	JP2010513192A	2010-04-30	バイロンブルース，ロバート; リチャードフルミアニ，マーク; イーブロー，チャールズ
A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure.
63	The method for stabilizing a soluble iii-type non-gypsum metastable state, a method of manufacturing a stable, soluble iii type non-gypsum hydraulic binder that the main component, the resulting hydraulic binder, the use of the binding agent and industrial equipment for the implementation of such a method	JP2008543677	2006-11-10	JP2009534279A	2009-09-24	エドワール・デュムーラン; クリサント・パラシオス
本発明は、準安定状態の可溶性III型無水石膏を安定させるための方法及び安定した可溶性III型無水石膏を主成分にした水硬性結合剤の製造方法を対象としている。本発明は、得られた水硬性結合剤及びセメント工業におけるこの水硬性結合剤の使用も対象としている。本発明は、このような方法の実施を可能にする工業設備をさらに対象としている。本発明によれば、準安定状態の可溶性III型無水石膏の粒子の結晶構造を変えて、前記粒子の準安定状態の相を安定化させるように前記粒子に機械的な応力をかけて、準安定状態の可溶性III型無水石膏を安定させる。本発明の目的は、準安定状態の可溶性III型無水石膏の粒子の通常の加熱・急冷工程を用いることなく、前記粒子を安定化させることである。
64	二水石膏の連続式改質方法	JP2016253577	2016-12-27	JP6232123B2	2017-11-15	横山至; 勝本浩志; 川村保雄

65	二水石膏の連続式改質方法	JP2015213801	2015-10-30	JP6072879B2	2017-02-01	横山至; 勝本浩志; 川村保雄

66	ジエチレントリアミン五酢酸を使用してβ型スタッコを修飾する方法	JP2015503409	2013-03-22	JP6041232B2	2016-12-07	デニス・エム・レットケマン; レイモンド・エイ・カリギアン・セカンド; マイケル・エル・クラウド; ジョン・ダブリュ・ウィルソン

67	二水石膏の連続式改質方法及び該方法で改質された改質二水石膏	JP2014230513	2014-11-13	JP2015051920A	2015-03-19	YOKOYAMA ITARU; KATSUMOTO HIROSHI; KAWAMURA YASUO
【課題】出発原料とする二水石膏を、一旦焼成して半水石膏とした後に再結晶化することで、一般的には得ることができない大きい結晶からなる高純度の改質二水石膏にする方法の提供。【解決手段】原料とする二水石膏を焼成して半水石膏にする半水化工程と、該半水石膏を水性スラリー中で水和・再結晶化させて、原料とする二水石膏とは別の結晶形態の改質二水石膏とする再結晶化工程とを有し、該再結晶化工程において、再結晶化反応槽中で、水性スラリーを均一になるように撹拌しつつ一定の温度に保持し、かつ、再結晶化反応槽への半水石膏の供給量、及び、再結晶化反応槽から再結晶化した改質二水石膏を抜き出す抜き出し量が実質的に等量になるよう制御し、連続して又は間歇して半水石膏の供給及び再結晶化した改質二水石膏の抜き出しを行う二水石膏の連続式改質方法である。【選択図】図1
68	Process for continuous modification of dihydrate gypsum	JP2013243103	2013-11-25	JP2014088312A	2014-05-15	YOKOYAMA ITARU; KATSUMOTO HIROSHI; KAWAMURA YASUO
PROBLEM TO BE SOLVED: To provide a process for producing a high-purity modified dihydrate gypsum consisting of large crystals, which cannot be generally obtained, by once firing dihydrate gypsum as a starting raw material into hemihydrate gypsum and then recrystallizing the hemihydrate gypsum.SOLUTION: The process for continuous modification of dihydrate gypsum comprises the hemihydrate formation step of firing a raw material dihydrate gypsum into hemihydrate gypsum and the recrystallization step of subjecting the hemihydrate gypsum to hydration and recrystallization in an aqueous slurry to form a modified dihydrate gypsum having a crystal form different from that of the raw material dihydrate gypsum. In the recrystallization step, the aqueous slurry is kept at a constant temperature in a recrystallization reaction tank under such stirring as to make the aqueous slurry uniform, and the feed of hemihydrate gypsum into the recrystallization reaction tank and the withdrawal of recrystallized modified dihydrate gypsum from the recrystallization reaction tank are conducted continuously or intermittently, while being so controlled as to make the feed rate of hemihydrate gypsum substantially equal to the withdrawal rate of recrystallized modified dihydrate gypsum.
69	Reforming method of gypsum	JP2012215847	2012-09-28	JP5193386B2	2013-05-08	至横山; 浩志勝本; 保雄川村
Disclosed is a process for the continuous modification of dihydrate gypsum. The process includes a hemihydration step of calcining the dihydrate gypsum as a raw material into hemihydrate gypsum and a recrystallization step of hydrating and recrystallizing the hemihydrate gypsum in an aqueous slurry to convert the hemihydrate gypsum into modified dihydrate gypsum of a crystalline form different from the dihydrate gypsum as the raw material. In the recrystallization step, the aqueous slurry in a recrystallization reaction tank is maintained at a constant temperature under stirring such that the aqueous slurry becomes uniform, and a feed rate of the hemihydrate gypsum to the recrystallization reaction tank and a discharge rate of the recrystallized and modified dihydrate gypsum from the recrystallization reaction tank are controlled such that the feed rate and the discharge rate become substantially equal to each other, whereby the feeding of the hemihydrate gypsum and the discharging of the recrystallized and modified dihydrate gypsum are conducted continuously or intermittently. According to the process, dihydrate gypsum as a starting raw materialcan beconvertedintohigh-purity,modified dihydrate gypsum of large crystals by recrystallizing the starting dihydrate gypsum after it is once calcined into hemihydrate gypsum although such modified dihydrate gypsum is not available in general.
70	Method for reforming dihydrate gypsum, and dihydrate gypsum reformed by the same	JP2012215847	2012-09-28	JP2012250913A	2012-12-20	YOKOYAMA ITARU; KATSUMOTO KOJI; KAWAMURA YASUO
PROBLEM TO BE SOLVED: To provide a simple continuous treatment method for reforming a dihydrate gypsum, which prevents the occurrence of blackishness of gypsum products caused by impurities other than calcium sulfate contained in gypsums using, as a raw material, natural gypsums, by-product gypsums, waste gypsums and the like when gypsum products such as gypsum plasters are manufactured, and can provide a white reformed dihydrate gypsum having a high purity and a large crystal grain diameter.SOLUTION: The method for reforming the dihydrate gypsum includes a baking step of baking a dihydrate gypsum as a starting raw material to make a gypsum hemihydrate, a recrystallization step of using a slurry containing as a solid content the gypsum hemihydrate obtained in the baking step, and hydrating and recrystallizing the slurry gypsum hemihydrate in the presence of a surfactant and/or a defoamer to thereby reforming the dihydrate gypsum to a dihydrate gypsum having an improved degree of whiteness as compared with the dihydrate gypsum as the starting raw material, and a sorting step of sorting the reformed dihydrate gypsum by elutriation from the slurry after the completion of the recrystallization step.
71	Method and apparatus for manufacturing a anhydrite	JP2011526413	2009-09-11	JP2012501948A	2012-01-26	トビアス・ゲーレ; フォルカー・ゲッケ
本発明は、加熱されたβ半水石膏から硬石膏を製造する方法に関し、主としてβ半水石膏からなる石膏材料を後反応容器(３)に供給し、後反応容器(３)内でβ半水石膏をか焼温度である９５℃以上の温度で直接α半水石膏に変化させる後処理を行い、硬石膏を後反応容器(３)から取り出して冷却する。石膏材料を後反応容器(３)に供給する際、少なくとも上記か焼温度に温度が調節され、後反応容器(３)内でのα半水石膏への変化は、外部から水蒸気を供給しつつ、圧力および温度が正圧および９５℃以上になるように制御して３０分以下の滞留時間で行われる。
72	Apparatus and process for removing steam calcined stucco is cooled	JP2007521464	2005-05-19	JP2008506622A	2008-03-06	クリストファー，アール．ネルソン，; ブルース，リンパターセン，; マイケル，ジェー．ポーター，; マイケル，エル．ボリンド，
本発明は、石膏ボード又はバッグプラスタの製造に使用される熱い焼成スタッコを冷却し脱蒸気する装置及びプロセスである。装置は流動床式の冷却装置であり、入口及び出口が設けられたプレナムを有する冷却ハウジングを備える。冷却装置は、プレナム内に回転ディスクを含む。回転ディスクは流体噴射用のノズルを含み、冷却装置の側面から延びる回転可能なシャフトに取り付けられている。冷却装置は、流動化させるために空気とスタッコとを混合させるとともにチャネリングを防止してスタッコ粉末が様々な部品上に蓄積することを防止するのに役立つ攪拌器及び流動化パッドを含む。空気は、熱いスタッコから蒸気をスタッコ冷却装置の上端に配置された排気口を通じて放逐し、それによりスタッコを脱蒸気する。スタッコはプレナムから流れて、冷却コイルを通り、それによりスタッコがスタッコ出口に達する際に冷却される。【選択図】図１
73	Quick-hardening cement composition and method for producing the same	JP2006095157	2006-03-30	JP2007269520A	2007-10-18	HEBIMI SHINGO; YAMASHITA SUMISHIGE; NAKADA HIRONOBU
PROBLEM TO BE SOLVED: To provide a quick-hardening cement excellent in strength development by using a new anhydrous gypsum replacing fluoro gypsum. SOLUTION: The quick-hardening cement comprises anhydrous gypsum obtained by heating dihydrate gypsum in a steam atmosphere in the substantial absence of sodium citrate and sodium sulfate. COPYRIGHT: (C)2008,JPO&INPIT
74	PROCESS FOR CONTINUOUS MODIFICATION OF DIHYDRATE GYPSUM	EP09803045.5	2009-07-31	EP2305605B1	2018-03-28	YOKOYAMA Itaru; KATSUMOTO, Kouji; KAWAMURA Yasuo
Disclosed is a process for the continuous modification of dihydrate gypsum. The process includes a hemihydration step of calcining the dihydrate gypsum as a raw material into hemihydrate gypsum and a recrystallization step of hydrating and recrystallizing the hemihydrate gypsum in an aqueous slurry to convert the hemihydrate gypsum into modified dihydrate gypsum of a crystalline form different from the dihydrate gypsum as the raw material. In the recrystallization step, the aqueous slurry in a recrystallization reaction tank is maintained at a constant temperature under stirring such that the aqueous slurry becomes uniform, and a feed rate of the hemihydrate gypsum to the recrystallization reaction tank and a discharge rate of the recrystallized and modified dihydrate gypsum from the recrystallization reaction tank are controlled such that the feed rate and the discharge rate become substantially equal to each other, whereby the feeding of the hemihydrate gypsum and the discharging of the recrystallized and modified dihydrate gypsum are conducted continuously or intermittently. According to the process, dihydrate gypsum as a starting raw materialcan beconvertedintohigh-purity,modified dihydrate gypsum of large crystals by recrystallizing the starting dihydrate gypsum after it is once calcined into hemihydrate gypsum although such modified dihydrate gypsum is not available in general.
75	VERFAHREN UND ANLAGE ZUR HERSTELLUNG VON HARTGIPS	EP09778496.1	2009-09-11	EP2340237B1	2016-06-22	GÖCKE, Volker; GEHLE, Tobias

76	CALCIUM SULFATE HEMIHYDRATE TREATMENT PROCESS	EP07855582	2007-12-17	EP2061731A4	2015-08-05	BRUCE ROBERT BYRON; FLUMIANI MARK RICHARD; BLOW CHARLES E
A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure.
77	PROCESS FOR CONTINUOUS MODIFICATION OF DIHYDRATE GYPSUM AND MODIFIED DIHYDRATE GYPSUM OBTAINED BY THE PROCESS	EP09803045	2009-07-31	EP2305605A4	2014-07-23	YOKOYAMA ITARU; KATSUMOTO KOUJI; KAWAMURA YASUO
Disclosed is a process for the continuous modification of dihydrate gypsum. The process includes a hemihydration step of calcining the dihydrate gypsum as a raw material into hemihydrate gypsum and a recrystallization step of hydrating and recrystallizing the hemihydrate gypsum in an aqueous slurry to convert the hemihydrate gypsum into modified dihydrate gypsum of a crystalline form different from the dihydrate gypsum as the raw material. In the recrystallization step, the aqueous slurry in a recrystallization reaction tank is maintained at a constant temperature under stirring such that the aqueous slurry becomes uniform, and a feed rate of the hemihydrate gypsum to the recrystallization reaction tank and a discharge rate of the recrystallized and modified dihydrate gypsum from the recrystallization reaction tank are controlled such that the feed rate and the discharge rate become substantially equal to each other, whereby the feeding of the hemihydrate gypsum and the discharging of the recrystallized and modified dihydrate gypsum are conducted continuously or intermittently. According to the process, dihydrate gypsum as a starting raw materialcan beconvertedintohigh-purity,modified dihydrate gypsum of large crystals by recrystallizing the starting dihydrate gypsum after it is once calcined into hemihydrate gypsum although such modified dihydrate gypsum is not available in general.
78	VERFAHREN UND VORRICHTUNG ZUR STABILISIERUNG, KÜHLUNG UND ENTFEUCHTUNG VON STUCKGIPS	EP11757751.0	2011-08-10	EP2603758A1	2013-06-19	BROSIG, Alfred; SCHÄFER, Günther
In a method for continuously conditioning plaster of Paris, the plaster of Paris is fed from an upstream calcining system to a plaster-of-Paris cooler in the form of particles. In the plaster-of-Paris cooler, firstly soluble calcium sulfate anhydrite is converted to calcium sulfate hemihydrate and calcium sulfate dihydrate is converted to calcium sulfate hemihydrate and crystal defects are remedied. Then the plaster of Paris is brought in contact with ambient air and dried by the ambient air and at the same time indirectly cooled.
79	APPARATUS AND PROCESS FOR COOLING AND DE-STEAMING CALCINED STUCCO	EP05752231.0	2005-05-19	EP1766308B1	2012-08-22	BOLIND, Michael, L.; NELSON, Christopher, R.; PETERSEN, Bruce, Lynn; PORTER, Michael, J.
The present invention is an apparatus and process for cooling and de-steaming hot calcined stucco used in the production of gypsum boards or bagged plaster. The apparatus is a fluid bed stucco cooler and comprises a cooler housing having a plenum having a stucco inlet and stucco outlet. The stucco cooler includes a rotating disk in the plenum. The rotating disk includes nozzle for spraying fluid, and is attached to a rotable shaft extending from the side of the cooler also includes a fluidization pad and agitator to help to mix the air and the stucco powder to insure fluidization, prevent channeling, and prevent the stucco powder from building up on the various components. The air also forces steam from the hot calcined stucco out through an air outlet located at the top of the stucco cooler, thereby de-steaming the stucco. The stucco flows through the plenum and passes over the cooling coils, thereby cooling the stucco as it reaches the stucco outlet.
80	PROCEDE POUR STABILISER DE L ANHYDRITE III SOLUBLE METASTABLE, PROCEDE DE PREPARATION D UN LIANT HYDRAULIQUE A BASE D ANHYDRITE III SOLUBLE STABILISE, LIANT HYDRAULIQUE OBTENU, UTILISATION DE CE LIANT ET INSTALLATION INDUSTRIELLE POUR LA MISE EN OEUVRE D UN TEL PROCEDE	EP06840935.8	2006-11-10	EP1991509B1	2012-04-25	DUMOULIN, Edouard; PALACIOS, Crisanto
The invention relates to a method for stabilising a metastable soluble anhydrite III, to a method for producing a hydraulic binder based thereon, to the thus obtainable hydraulic binder, to a method for the use thereof in the cement industry and to an industrial plant for carrying out the inventive method. The method consists in stabilising a metastable soluble anhydrite III by mechanically stressing the particles thereof in such a way the crystal structure of the particles is modified and the metastable phase thereof is stabilised. Said invention makes it possible to stabilise the metastable soluble anhydrite III particles without using current steps for heating and quenching said particles.

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