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1. 发明专利

JPH08119603A PRODUCTION OF CARBON MONOXIDE AND HYDROGEN SIMULTANEOUSLY FROM GASEOUS MIXTURE 失效
公开(公告)号：JPH08119603A
公开(公告)日：1996-05-14
申请号：JP27825494
申请日：1994-10-17
申请人： NIPPON STEEL CORP
发明人： KOSUGE KATSUSHI , KAWAMURA YASUSHI , HIGUCHI TOSHIYA , KATO YUZURU
IPC分类号： B01D53/04 , C01B3/56 , C01B32/40 , C01B31/18
摘要： PURPOSE: To produce high-purity carbon monoxide and hydrogen from a gaseous mixture without need for a large power at the time of forcing a gas necessary to purge an adsorption tower into the tower under pressure. CONSTITUTION: A gaseous mixture contg. carbon monoxide and hydrogen is introduced into an adsorption tower while maintaining a working pressure selected to control the partial pressure of carbon 2 monoxide to 1-5kg/cm A in the adsorption stage. The gas in the adsorption tower is discharged under atmospheric pressure after the adsorption stage, and the pressure in the tower is lowered close to atmospheric pressure in the discharge stage. The adsorption tower is further evacuated by a vacuum pump to desorb the carbon monoxide adsorbed on an adsorbent in the desorption stage. The hydrogen obtained in the adsorption stage is forced into the adsorption tower under pressure after the desorption stage to increase the pressure in the tower above the pressure necessary to the succeeding adsorption stage in the pressure increasing stage.

2. 发明专利

JP2004034534A Method and apparatus for pneumatic transportation of waste plastic 有权
公开(公告)号：JP2004034534A
公开(公告)日：2004-02-05
申请号：JP2002195629
申请日：2002-07-04
申请人： Daicel Chem Ind Ltd , Nippon Steel Corp , ダイセル化学工業株式会社 , 新日本製鐵株式会社
发明人： KOTSURU HIROYUKI , KAWAMURA TAKAFUMI , SANPEI HITOSHI , KAWAMURA YASUSHI , MOTOCHI TOSHIFUMI , KOSUGE KATSUSHI , HIGUCHI TOSHIYA , SHIROMIZU WATARU , MORITA KENTARO
IPC分类号： B65G53/04 , B29B17/00 , C10J3/00
CPC分类号： Y02W30/62
摘要： PROBLEM TO BE SOLVED: To stably charge waste plastic particles into a waste plastic gasifying furnace to stabilize gasifying operation. SOLUTION: Coarse particles, a cotton like material and fluff contained in the waste plastics are removed to stabilize the flow of the particles in a hopper or supply tubing. A stirring blade is fitted to the supplying hopper to prevent bridging of particles. The stirring blades can be operated intermittently to prevent mechanical breakdown of the waste plastic particles. COPYRIGHT: (C)2004,JPO

3. 发明专利

JPH08117542A STABILIZATION OF PRODUCT GAS IN PRESSURE SWING ADSORBING SEPARATION METHOD 失效
公开(公告)号：JPH08117542A
公开(公告)日：1996-05-14
申请号：JP28295494
申请日：1994-10-21
申请人： NIPPON STEEL CORP
发明人： KATO YUZURU , KAWAMURA YASUSHI , KOSUGE KATSUSHI , HIGUCHI TOSHIYA
IPC分类号： B01D53/04 , B01J19/00
摘要： PURPOSE: To stabilize the purity, recovery and quantity of product gas even when the concn. of the objective component in raw material gas fluctuates by controlling the quantity of the raw material gas introduced into an adsorbing process by measuring the concn. of the product gas in the gas discharged in a pressure release process to make the adsorbing quantity at the time of the completion of the adsorbing process constant. CONSTITUTION: Gas is discharged through an opening and closing valve A3 in a pressure release process to drop the pressure in an adsorbing column 10 to the vicinity of atmospheric pressure. The quantity of adsorbed CO can be estimated by measuring the canon. of CO in the discharged gas by an analyser 12. An operator 13 controls an adsorbing time or the quantity of raw material gas on the basis of the measured value so that the concn. of CO in the discharged gas becomes constant. By this constitution, the quantity of adsorbed CO at the time of the completion of the adsorbing process can be kept constant. Continuously, an opening and closing valve A2 is opened and a next opening and closing valve is closed to evacuate the adsorbing column 10 by a vacuum pump to recover product CO. Therefore, the purity, quantity and recovery of the obtained product CO are kept constant.

4. 发明专利

JPH06126120A METHOD FOR INCREASING CO CONCENTRATION IN CRACKING GAS 失效
公开(公告)号：JPH06126120A
公开(公告)日：1994-05-10
申请号：JP27462892
申请日：1992-10-13
申请人： NIPPON STEEL CORP , OSAKA GAS CO LTD
发明人： KOSUGE KATSUSHI , SHIBAMURA KENTARO , KAWAMURA YASUSHI , HIGUCHI TOSHIYA , YAMADA MITSUYA , YUYA TAKEO , HIRANAKA YUKIO , HIRAYAMA AKIO
IPC分类号： B01D53/04 , C01B32/40 , C01B31/18
摘要： PURPOSE:To achieve a stabilized operational condition in a method for increas ing CO concentration in a cracking gas based on a pressure swing adsorption method. CONSTITUTION:In a method for increasing CO concn. in a cracking gas wherein when a hydrocarbon gas is cracked by means of a steam reforming method or a partial oxidation method to form a cracking gas wherein H2, CO, CO2, CH4 and N2 are main ingredients, a CO2 rich gas is recovered by means of a pressure swing adsorption method and the CO2 rich gas is fed as a modifier for cracking the hydrocarbon gas, an adsorbent adsorbing preferentially CO2 gas to other gases is placed in each adsorption tower of the pressure swing adsorption apparatus and before each pressurizing process and desorption process of the pressure swing adsorption method having the pressurizing process, an adsorption process and the desorption process, a pressure uniformizing process uniformizing the inner pressure of each adsorption tower is provided to reduce mixing of the CO2 rich gas into H2 and N2 in the raw material gas. The CO concn. in the cracking gas is increased thereby stably and effectively and a complete utilization cycle of the recovery gas in the recovery of CO can be completed.

5. 发明专利

JPH07275633A METHOD FOR IMPROVING PURITY OF PRODUCT GAS BY PRESSURE VARIABLE ADSORPTION METHOD 失效
公开(公告)号：JPH07275633A
公开(公告)日：1995-10-24
申请号：JP10071094
申请日：1994-04-13
申请人： NIPPON STEEL CORP
发明人： HIGUCHI TOSHIYA , KAWAMURA YASUSHI , KOSUGE KATSUSHI , KATO YUZURU
IPC分类号： B01D53/04 , C01B21/04 , C01B32/40 , C01B32/50 , C01B31/18 , C01B31/20
摘要： PURPOSE:To reduce the amount of product gas to be used as washing gas and to obtain the product gas with improved purity. CONSTITUTION:In a pressure variable adsorption method which has adsorption towers 10, 11 filled with an adsorbent and comprises an adsorption process in which product gas is selectively adsorbed by the adsorbent from pressurized mixed gas, a washing process in which unnecessary gas is removed using a part of the product gas, and a desorption process in which the product gas adsorbed by the adsorbent is recovered by reducing the pressure, an automatic valve 10G is installed at the top of the adsorption tower, and the adsorption towers 10, 11 are separated from their pipe headers by closing the valve 10G at the start of the desorption process to reduce the volume of a space at the top of the tower.

6. 发明专利

JPH07275631A SUBSTITUTION-REDUCTION METHOD FOR IMPURITY IN PRODUCT IN PRESSURE SWING ADSORPTION METHOD 失效
公开(公告)号：JPH07275631A
公开(公告)日：1995-10-24
申请号：JP7217094
申请日：1994-04-11
申请人： NIPPON STEEL CORP
发明人： KOSUGE KATSUSHI , UENOYAMA KIYOSHI , KAWAMURA YASUSHI , HIGUCHI TOSHIYA , KATO YUZURU
IPC分类号： B01D53/04 , B01J8/00
摘要： PURPOSE:To reduce impurities and to improve the yield of a product by installing a substitution-reduction process between an adsorption process and a washing process and replacing impurities which are hard to be adsorbed and remain in an adsorption tower with gas which is hard to be adsorbed but is allowed to be contained in a recovered product gas. CONSTITUTION:In a substitution-washing process after an adsorption process, a gas component which is hard to be adsorbed but is allowed to be contained in a recovered product gas is introduced into an adsorption tower A with valves V1, V6 opened. Most of impurities remaining in the adsorption tower A are discharged as offgas. After the pressure of the adsorption tower A is reduced to the atmospheric pressure by a pressure relief process, a part of product gas, which was stored in a buffer tank VE in a washing process, is pressurized by a blower BL to be circulated to the adsorption tower A with valves V4, V5 opened, thus improving the purity of a specified gas component recovered.

7. 发明专利

JPS63263380A METHOD OF PURIFYING HIGH-PURITY NITROGEN THROUGH ADSORPTION SEPARATION METHOD 失效
公开(公告)号：JPS63263380A
公开(公告)日：1988-10-31
申请号：JP9539887
申请日：1987-04-20
申请人： NIPPON STEEL CORP
发明人： ISHIGURO TADATOSHI , SASAKI KEIICHI , KAWAMURA YASUSHI
IPC分类号： B01D53/04 , F25J3/04

8. 发明专利

JP2004035748A Slag discharge apparatus in gasification furnace of waste plastic and method for discharging slag by using the same 有权
公开(公告)号：JP2004035748A
公开(公告)日：2004-02-05
申请号：JP2002195627
申请日：2002-07-04
申请人： Daicel Chem Ind Ltd , Nippon Steel Corp , ダイセル化学工業株式会社 , 新日本製鐵株式会社
发明人： KOTSURU HIROYUKI , KAWAMURA TAKAFUMI , SANPEI HITOSHI , KAWAMURA YASUSHI , MOTOCHI TOSHIFUMI , KOSUGE KATSUSHI , HIGUCHI TOSHIYA , SHIROMIZU WATARU , MORITA KENTARO
IPC分类号： C08J11/12 , C10J3/00 , C10J3/46 , C10J3/52
CPC分类号： Y02W30/703
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for discharging slag produced in a method for producing a fuel gas by gasifying a waste plastic. SOLUTION: The aggregation of the waste plastic on a water surface of a cooling water tank by which discharge of melted slag from the waste plastic is hindered is prevented by the following methods. (1) Spraying water in an upper space on water surface, (2) vibrating the water surface by blowing gas from the lower part of the water tank, (3) vibrating the water surface by opening a slag discharge lock hopper in a state unfilled with water and (4) preventing aggregation of unreacted plastic particles and promoting smooth discharge by preparing water current from the central part of the water tank into the direction of a wall surface. COPYRIGHT: (C)2004,JPO

9. 发明专利

JPH06170144A METHOD FOR RECOVERING HIGH-PURITY GASEOUS CO OR CO2 FROM GASEOUS MIXTURE 失效
公开(公告)号：JPH06170144A
公开(公告)日：1994-06-21
申请号：JP32574492
申请日：1992-12-04
申请人： NIPPON STEEL CORP
发明人： KAWAMURA YASUSHI , KOSUGE KATSUSHI , HIGUCHI TOSHIYA
IPC分类号： B01D53/04 , C01B32/40 , C01B32/50 , C01B31/18 , C01B31/20
摘要： PURPOSE:To efficiently recover high-purity gaseous CO or CO2, from a gaseous mixture having low gas concentration by adding a pressure equalization stage common to the pressure equalization stage of the other adsorption tower to an operation process having the respective stages of pressurizing, adsorption, washing and desorption of the adsorption tower. CONSTITUTION:In a first time cycle, pressure equalization before pressurizing an adsorption tower A is made common to pressure equalization before washing an adsorption tower C as a first pressure equalization stage. Pressure equalization after desorbing an adsorption tower B is made common to pressure equalization after washing the adsorption tower C as a second pressure equalization stage. Further in a second time cycle, pressure equalization before pressurizing the adsorption tower B is made common to pressure equalization before washing the adsorption tower A. Pressure equalization after desorbing the adsorption tower C is made common to pressure equalization after washing the adsorption tower A. Furthermore in a third time cycle, pressure equalization before pressurizing the adsorption tower C is made common to pressure equalization before washing the adsorption tower B. Pressure equalization after desorbing the adsorption tower A is made common to pressure equalization after washing the adsorption tower B.

10. 发明专利

JPH08117544A PURIFICATION AND SEPARATION OF SYNTHETIC GAS 失效
公开(公告)号：JPH08117544A
公开(公告)日：1996-05-14
申请号：JP27984294
申请日：1994-10-18
申请人： NIPPON STEEL CORP
发明人： KAWAMURA YASUSHI , KOSUGE KATSUSHI , HIGUCHI TOSHIYA , KATO YUZURU
IPC分类号： B01D53/22 , C10J3/02 , C10J3/46 , C10L3/10
摘要： PURPOSE: To reduce the load applied to acidic gas or moisture removing equipment by separating synthetic gas based on CO and H2 and containing acidic gas such as H2 S or the like and moisture into transmitted gas and non- transmitted gas, and removing the acidic gas and moisture contained in the non-transmitted gas. CONSTITUTION: The synthetic gas obtained by gasifying coal or the like is based on CO and H2 and contains acidic gas such as H2 S, COS or CO2 and moisture as sub-components. The synthetic gas having this compsn. is sent into a demistor 17 and a preheater 12 to perfectly gasify the condensed component in the synthetic gas. The synthetic gas is sent into a plurality of the membrane modules 10 on the most upstream side of a front stage to be separated into transmitted gas and non-transmitted gas. Herein, H2 high in transmission speed in the synthetic gas easily passes through a hollow yarn membrane to become transmitted gas while CO low in transmission speed becomes non- transmitted gas to be discharged from the upper part of the membrane module 10.

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