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1. 发明授权

US06613940B1 Method for catalytic gas phase oxidation 失效
标题翻译：催化气相氧化方法
公开(公告)号：US06613940B1
公开(公告)日：2003-09-02
申请号：US09648950
申请日：2000-08-25
申请人： Takeshi Nishimura , Masakatsu Mori , Masatsugu Kitaura , Osamu Dodo , Daisuke Nakamura
发明人： Takeshi Nishimura , Masakatsu Mori , Masatsugu Kitaura , Osamu Dodo , Daisuke Nakamura
IPC分类号： C07C5116
CPC分类号： B01J8/008 , B01J8/067 , B01J2208/00212 , B01J2208/00221 , B01J2208/00256 , C07C45/35 , C07C51/215 , C07C51/252 , C07C51/255 , C07C51/265 , C07C47/22 , C07C57/145 , C07C63/16 , C07C57/02
摘要： In the reaction of catalytic gas phase oxidation by means of a shell-and-tube type reactor adapted to circulate a heating medium to the shell of the reactor through the medium of a circulation device connecting an annular conduit connected thereto, a method for the catalytic gas phase oxidation characterized by subjecting a part of the heating medium extracted from the shell of the reactor to heat exchange, introducing the heating medium resulting from the heat exchange into the proximity of a heating medium circulation inlet on the inlet side of the circulation device or the annular conduit on the outlet side of the reactor. The flow rate of the heating medium after the heat exchange is preferred to be in the range of 2-40 vol. % based on the flow rate of the heating medium within the shell of the reactor and the temperature difference of the heating medium at the inlet and the outlet to be in the range of 15-150° C. According to this invention, it is made possible to reduce evenly the hot spots in the reaction tubes, improve the yield of the product aimed at, and implement a reaction of catalytic gas phase oxidation of propylene or isobutylene.
摘要翻译：在通过壳管式反应器进行催化气相氧化的反应中，该反应器适于通过连接连接其的环形导管的循环装置的介质将加热介质循环到反应器的壳体，催化剂的方法气相氧化特征在于使从反应器壳体中提取的一部分加热介质进行热交换，将由热交换产生的加热介质引入循环装置入口侧的加热介质循环入口附近，或反应器出口侧的环形导管。热交换后的加热介质的流量优选为2-40体积％。基于反应器壳体内的加热介质的流量，入口和出口处的加热介质的温度差在15-150℃的范围内。根据本发明，制成可能均匀地减少反应管中的热点，提高目标产品的产率，并实现丙烯或异丁烯的催化气相氧化反应。

2. 发明授权

US06994833B1 Reactor for catalytic gas phase oxidation 有权
标题翻译：催化气相氧化反应器
公开(公告)号：US06994833B1
公开(公告)日：2006-02-07
申请号：US09705679
申请日：2000-11-03
申请人： Takeshi Nishimura , Masakatsu Mori , Masatsugu Kitaura , Osamu Dodo , Michio Tanimoto
发明人： Takeshi Nishimura , Masakatsu Mori , Masatsugu Kitaura , Osamu Dodo , Michio Tanimoto
IPC分类号： B01J8/04
CPC分类号： F28D7/0066 , B01J8/008 , B01J8/067 , B01J2208/00212 , B01J2208/00221 , B01J2208/025 , C07C51/252 , F28D7/0091 , F28F2265/26 , C07C57/04
摘要： In a shell-and-tube type reactor, the leakage between the upper and lower chambers is substantially decreased by tightly fitting the reaction tubes to the shield. The present invention provides a reactor for use in catalytic gas phase oxidation characterized by expanding reaction tubes to at least one groove formed in the reaction tube-fixing part of an intermediate tube sheet to form a shield, thereby forming plural of chambers with the intermediate tube sheet, and forming an expansion joint around the periphery of each of the chambers.
摘要翻译：在管壳式反应器中，通过将反应管紧紧地装配到屏蔽件上，上室和下室之间的泄漏显着降低。本发明提供一种用于催化气相氧化的反应器，其特征在于将反应管扩展到形成在中间管板的反应管固定部分中的至少一个槽，以形成屏蔽，从而形成多个具有中间管并且围绕每个室的周边形成膨胀接头。

3. 发明授权

US08846977B2 Crystallization unit for acrylic acid and method for crystallization of acrylic acid using the same 有权
标题翻译：用于丙烯酸的结晶单元和使用其的丙烯酸结晶方法
公开(公告)号：US08846977B2
公开(公告)日：2014-09-30
申请号：US13322967
申请日：2010-06-24
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
IPC分类号： C07C51/42 , C07C51/43 , B01D9/00
CPC分类号： B01D9/0013 , B01D9/004 , B01D9/0045 , C07C51/43 , C07C57/04
摘要： PROBLEMAn object of the present invention is to provide a crystallization unit capable of producing a purified acrylic acid having high purity efficiently.SOLUTIONThe present invention provides a crystallization unit to separate an acrylic acid-containing solution into a mother liquid and a purified acrylic acid, wherein the crystallization unit comprises a crystallizer having an exit to take out the mother liquid and the purified acrylic acid alternately; a supply line to supply the acrylic acid-containing solution to the crystallizer; and a recovery line to recover the mother liquid and the purified acrylic acid alternately from the crystallizer which is connected to the exit, and wherein the recovery line is equipped with an opening and closing unit consisting of a ball valve or a gate valve.
摘要翻译：发明内容本发明的目的是提供一种能够有效地制备纯度高的纯化丙烯酸的结晶单元。解决方案本发明提供一种结晶单元，用于将含丙烯酸的溶液分离成母液和纯化丙烯酸，其中结晶单元包括具有出口以交替地取出母液和纯化丙烯酸的结晶器; 用于向结晶器供应含丙烯酸的溶液的供应管线; 以及从与出口连接的结晶器交替地回收母液和纯化丙烯酸的回收管线，其中回收管线配备有由球阀或闸阀构成的开闭单元。

4. 发明申请

US20120108857A1 CRYSTALLIZATION UNIT FOR ACRYLIC ACID AND METHOD FOR CRYSTALLIZATION OF ACRYLIC ACID USING THE SAME 有权
标题翻译：用于丙烯酸的结晶单元和使用该丙烯酸的丙烯酸的结晶方法
公开(公告)号：US20120108857A1
公开(公告)日：2012-05-03
申请号：US13322967
申请日：2010-06-24
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
IPC分类号： C07C29/78 , B01D9/02
CPC分类号： B01D9/0013 , B01D9/004 , B01D9/0045 , C07C51/43 , C07C57/04
摘要： PROBLEMAn object of the present invention is to provide a crystallization unit capable of producing a purified acrylic acid having high purity efficiently.SOLUTIONThe present invention provides a crystallization unit to separate an acrylic acid-containing solution into a mother liquid and a purified acrylic acid, wherein the crystallization unit comprises a crystallizer having an exit to take out the mother liquid and the purified acrylic acid alternately; a supply line to supply the acrylic acid-containing solution to the crystallizer; and a recovery line to recover the mother liquid and the purified acrylic acid alternately from the crystallizer which is connected to the exit, and wherein the recovery line is equipped with an opening and closing unit consisting of a ball valve or a gate valve.
摘要翻译：发明内容本发明的目的是提供一种能够有效地制备纯度高的纯化丙烯酸的结晶单元。解决方案本发明提供一种结晶单元，用于将含丙烯酸的溶液分离成母液和纯化丙烯酸，其中结晶单元包括具有出口以交替地取出母液和纯化丙烯酸的结晶器; 用于向结晶器供应含丙烯酸的溶液的供应管线; 以及从与出口连接的结晶器交替地回收母液和纯化丙烯酸的回收管线，其中回收管线配备有由球阀或闸阀构成的开闭单元。

5. 发明授权

US08859809B2 Device and process for crystallizing (meth)acrylic acid 有权
标题翻译：用于结晶（甲基）丙烯酸的装置和方法
公开(公告)号：US08859809B2
公开(公告)日：2014-10-14
申请号：US13381449
申请日：2010-06-24
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
IPC分类号： C07C51/42 , B01D9/00 , C07C51/43
CPC分类号： B01D9/0013 , B01D9/0063 , C07C51/43 , C07C57/04
摘要： A crystallization device and a crystallization process are provided for obtaining (meth)acrylic acid with higher purity without causing leakage of a crude solution by preventing complete clogging in a crystallization tube from occurring. The device for crystallizing (meth)acrylic acid includes a crude (meth)acrylic acid solution supply part, a crystallization tube, a heat medium supply tube, a heat medium discharge tube, a storage part of a crude (meth)acrylic acid solution passed through the crystallization tube, a tube for circulating and supplying the crude (meth)acrylic acid solution to the supply part from the storage part, and a pump for circulating and supplying the crude (meth)acrylic acid solution to the supply part from the storage part, and also includes a pressure meter in the circulate-supply tube. The device is used for carrying out dynamic crystallization in a batch manner by circulating the crude (meth)acrylic acid solution to flow the crude solution downward along the inner wall of the crystallization tube in a coating film-like state.
摘要翻译：提供了一种结晶装置和结晶方法，用于获得高纯度的（甲基）丙烯酸，而不会通过防止结晶管中发生完全堵塞而导致粗溶液泄漏。用于结晶（甲基）丙烯酸的装置包括粗（甲基）丙烯酸溶液供应部分，结晶管，热介质供应管，热介质放电管，粗（甲基）丙烯酸溶液的储存部分通过通过结晶管，将来自储存部的粗（甲基）丙烯酸溶液循环供给到供给部的管，以及从储存部向供给部循环供给粗（甲基）丙烯酸溶液的泵并且还包括在循环供应管中的压力计。该装置用于以分批方式进行动态结晶，通过循环粗制（甲基）丙烯酸溶液使涂料膜状态沿着结晶管的内壁向下流动粗溶液。

6. 发明授权

US08680330B2 Process for producing (meth) acrylic acid 有权
标题翻译：（甲基）丙烯酸的制造方法
公开(公告)号：US08680330B2
公开(公告)日：2014-03-25
申请号：US13147643
申请日：2010-01-29
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
IPC分类号： C07C51/42
CPC分类号： C07C51/43 , C07C57/04
摘要： A process for producing (meth)acrylic acid of the present invention comprises the steps in the following order: a crystallization step of supplying a cooling medium cooled by a heat source device to a crystallizer to obtain a (meth)acrylic acid crystal from a crude (meth)acrylic acid solution; an adjustment step of returning the cooling medium discharged from the crystallizer to the crystallizer without cooling; a sweating step of supplying a heating medium to the crystallizer to partially melt the (meth)acrylic acid crystal, thereby obtaining a melted liquid, and discharging the melted liquid from the crystallizer; and a melting step of supplying the heating medium to the crystallizer to melt the (meth)acrylic acid crystal, thereby obtaining purified (meth)acrylic acid. According to the present invention, purified (meth)acrylic acid with high purity can be obtained.
摘要翻译：制备本发明的（甲基）丙烯酸的方法包括以下顺序的步骤：将由热源装置冷却的冷却介质供给结晶器的结晶步骤，从粗制得到（甲基）丙烯酸晶体（甲基）丙烯酸溶液; 将结晶器排出的冷却介质返回到结晶器而不冷却的调整步骤; 向所述结晶器供给加热介质以部分熔融所述（甲基）丙烯酸晶体，从而获得熔融液体并从所述结晶器排出熔融液体的出汗步骤; 以及将加热介质供给结晶器以熔融（甲基）丙烯酸晶体，从而获得纯化的（甲基）丙烯酸的熔融步骤。根据本发明，可以得到高纯度的（甲基）丙烯酸。

7. 发明授权

US08637701B2 Method for producing (meth) acrylic acid 有权
标题翻译：（甲基）丙烯酸的制造方法
公开(公告)号：US08637701B2
公开(公告)日：2014-01-28
申请号：US13320567
申请日：2010-04-30
申请人： Masatsugu Kitaura
发明人： Masatsugu Kitaura
IPC分类号： C07C51/43
CPC分类号： C07C51/43 , C07C57/04
摘要： A method for efficiently producing (meth)acrylic acid by crystallization using a plurality of crystallizers to purify (meth)acrylic acid and a refrigerator for supplying both of a cooling medium and a heating medium, while the refrigerator is stably operated for supplying media having a proper temperature and the temperature of the crystallizers is maintained.
摘要翻译：一种通过使用多个结晶器通过结晶纯化（甲基）丙烯酸和用于供应冷却介质和加热介质二者的冷藏库来有效生产（甲基）丙烯酸的方法，同时，冰箱被稳定地操作以供给具有保持适当的温度和结晶器的温度。

8. 发明申请

US20120108847A1 DEVICE AND PROCESS FOR CRYSTALLIZING (METH) ACRYLIC ACID 有权
标题翻译：用于结晶（甲基）丙烯酸的装置和方法
公开(公告)号：US20120108847A1
公开(公告)日：2012-05-03
申请号：US13381449
申请日：2010-06-24
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
IPC分类号： C07C51/43 , B01J19/00
CPC分类号： B01D9/0013 , B01D9/0063 , C07C51/43 , C07C57/04
摘要： The objective of the present invention is to provide a crystallization device and a crystallization process for obtaining (meth)acrylic acid with higher purity without causing leakage of a crude solution by preventing complete clogging in a crystallization tube from occurring. The device for crystallizing (meth)acrylic acid according to the present invention is characterized in comprising a crude (meth)acrylic acid solution supply part, a crystallization tube, a heat medium supply tube, a heat medium discharge tube, a storage part of a crude (meth)acrylic acid solution passed through the crystallization tube, a tube for circulating and supplying the crude (meth)acrylic acid solution to the supply part from the storage part, and a pump for circulating and supplying the crude (meth)acrylic acid solution to the supply part from the storage part; and further comprising a pressure meter in the circulate-supply tube; wherein the device is used for carrying out dynamic crystallization in a batch manner by circulating the crude (meth)acrylic acid solution to flow the crude solution downward along the inner wall of the crystallization tube in a coating film-like state.
摘要翻译：本发明的目的是提供一种结晶装置和结晶方法，用于通过防止结晶管中发生完全堵塞而获得更高纯度的（甲基）丙烯酸，而不会导致粗溶液泄漏。根据本发明的用于结晶（甲基）丙烯酸的装置的特征在于包含粗（甲基）丙烯酸溶液供应部分，结晶管，热介质供给管，热介质放电管，粗（甲基）丙烯酸溶液通过结晶管，将来自储存部分的粗（甲基）丙烯酸溶液循环供给到供应部分的管和用于循环供给粗（甲基）丙烯酸从储存部分解决供应部件; 并且还包括在所述循环供应管中的压力计; 其中所述装置用于通过循环粗制（甲基）丙烯酸溶液以使涂层膜状状态沿着结晶管的内壁向下流动的方式以间歇方式进行动态结晶。

9. 发明申请

US20120077947A1 METHOD FOR PRODUCING (METH) ACRYLIC ACID 有权
标题翻译：生产（甲基）丙烯酸的方法
公开(公告)号：US20120077947A1
公开(公告)日：2012-03-29
申请号：US13320567
申请日：2010-04-30
申请人： Masatsugu Kitaura
发明人： Masatsugu Kitaura
IPC分类号： C08F20/06 , C07C57/04
CPC分类号： C07C51/43 , C07C57/04
摘要： The objective of the present invention is to provide a method for efficiently producing (meth)acrylic acid by crystallization using a plurality of crystallizer to purify (meth)acrylic acid and a refrigerator for supplying both of a cooling medium and a heating medium, while the refrigerator is stably operated for supplying media having a proper temperature and the temperature of the crystallizers is maintained. The method for producing (meth)acrylic acid according to the present invention is characterized in comprising the steps of at least crystallizing (meth)acrylic acid and melting the (meth)acrylic acid crystal obtained in the crystallization step; wherein two or more crystallizers are employed; when both of the crystallization step and the melting step are concurrently carried out in separate crystallizers, from a refrigerator, a cooling medium is supplied to a crystallizer for carrying out the crystallization step to crystallize (meth)acrylic acid and a heating medium is supplied to other crystallizer for carrying out the melting step to melt the (meth)acrylic acid crystal; and when only the crystallization step is carried out before the melting step is carried out, a temperature of a heating medium to be returned to the refrigerator is previously decreased to be lower than a set temperature for the melting step before only the crystallization step is carried out.
摘要翻译：本发明的目的是提供一种使用多个结晶器通过结晶高效制备（甲基）丙烯酸以纯化（甲基）丙烯酸的方法和用于供应冷却介质和加热介质两者的制冷机，同时为了供给具有适当温度的介质并保持结晶器的温度，冰箱被稳定地操作。本发明的（甲基）丙烯酸的制造方法的特征在于，至少使（甲基）丙烯酸结晶并使在结晶工序中得到的（甲基）丙烯酸结晶熔融的步骤; 其中采用两种或多种结晶器; 当结晶步骤和熔融步骤同时在单独的结晶器中从冰箱中进行时，将冷却介质供应到结晶器，以进行结晶步骤以使（甲基）丙烯酸结晶，并将加热介质供应至用于进行熔融步骤以熔化（甲基）丙烯酸晶体的其它结晶器; 并且仅在进行熔融步骤之前仅进行结晶步骤时，将返回到冰箱的加热介质的温度预先降低至低于在仅进行结晶步骤之前的熔融步骤的设定温度出来

10. 发明申请

US20110319661A1 PROCESS FOR PRODUCING (METH) ACRYLIC ACID 有权
标题翻译：生产（甲基）丙烯酸的方法
公开(公告)号：US20110319661A1
公开(公告)日：2011-12-29
申请号：US13147643
申请日：2010-01-29
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Takashi Sugimoto , Masatsugu Kitaura , Satoshi Nakagawa , Kunihiko Suzuki
IPC分类号： C07C51/43
CPC分类号： C07C51/43 , C07C57/04
摘要： A process for producing (meth)acrylic acid of the present invention comprises the steps in the following order: a crystallization step of supplying a cooling medium cooled by a heat source device to a crystallizer to obtain a (meth)acrylic acid crystal from a crude (meth)acrylic acid solution; an adjustment step of returning the cooling medium discharged from the crystallizer to the crystallizer without cooling; a sweating step of supplying a heating medium to the crystallizer to partially melt the (meth)acrylic acid crystal, thereby obtaining a melted liquid, and discharging the melted liquid from the crystallizer; and a melting step of supplying the heating medium to the crystallizer to melt the (meth)acrylic acid crystal, thereby obtaining purified (meth)acrylic acid. According to the present invention, purified (meth)acrylic acid with high purity can be obtained.
摘要翻译：制备本发明的（甲基）丙烯酸的方法包括以下顺序的步骤：将由热源装置冷却的冷却介质供给结晶器的结晶步骤，从粗制得到（甲基）丙烯酸晶体（甲基）丙烯酸溶液; 将结晶器排出的冷却介质返回结晶器而不冷却的调整步骤; 向所述结晶器供给加热介质以部分熔融所述（甲基）丙烯酸晶体，从而获得熔融液体并从所述结晶器排出熔融液体的出汗步骤; 以及将加热介质供给结晶器以熔融（甲基）丙烯酸晶体，从而获得纯化的（甲基）丙烯酸的熔融步骤。根据本发明，可以得到高纯度的（甲基）丙烯酸。

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