公开(公告)号：US10598313B2

公开(公告)日：2020-03-24

申请号：US15559347

申请日：2016-03-15

Applicant: CHIYODA CORPORATION

Inventor： Kingo Kasada ,  Hidenori Muramatsu ,  Hiroaki Suzuki ,  Toshitake Sakurai ,  Keiichi Uchiyama

IPC: F17C13/12 ,  F17C13/00 ,  F16L59/14

Abstract: A working sheath tube (1) is used when a renovating operation of a pump-discharge pipe (4) branched from a peripheral wall (33) of a tubular barrel (3) inserted into a tank (2) in which a fuel is retained. The working sheath tube has a bottomed tubular shape which can be inserted into the barrel, and has a working space thereinside. A insertion hole (15a) into which a closing member (7) for closing a pump-discharge pipe is inserted is provided on and penetrates a sheath tube peripheral wall (15). While the sheath tube is inserted into the barrel, the insertion hole faces an opening of the pump-discharge pipe.

公开(公告)号：US10549267B2

公开(公告)日：2020-02-04

申请号：US16402506

申请日：2019-05-03

Applicant: CHIYODA CORPORATION

Inventor： Shinya Hodoshima ,  Fuyuki Yagi ,  Azusa Motomiya ,  Shuhei Wakamatsu ,  Sachio Asaoka

IPC: C07C4/06 ,  B01J29/88 ,  B01J29/40 ,  C01B39/06 ,  C07C11/06 ,  B01J29/46 ,  C01B39/46 ,  B01J29/87 ,  B01J37/00 ,  C10G11/05 ,  C01B39/36 ,  B01J35/02 ,  B01J37/10

Abstract: Provided are zeolite catalysts that allow reactions to proceed at temperatures as low as possible when lower olefins are produced from hydrocarbon feedstocks with low boiling points such as light naphtha, make it possible to make propylene yield higher than ethylene yield in the production of lower olefins, and have long lifetime. The zeolite catalysts are used in the production of lower olefins from hydrocarbon feedstocks with low boiling points such as light naphtha. The zeolite catalysts are MFI-type crystalline aluminosilicates containing iron atoms and have molar ratios of iron atoms to total moles of iron atoms and aluminum atoms in the range from 0.4 to 0.7. The use of the zeolite catalysts make it possible to increase propylene yield, to lower reaction temperatures, and to extend catalyst lifetime.

公开(公告)号：US10066880B2

公开(公告)日：2018-09-04

申请号：US14426350

申请日：2013-08-14

Applicant: CHIYODA CORPORATION

Inventor： Masao Ueno ,  Yoshiaki Sakomoto ,  Fumiaki Sakai ,  Kensaku Suzuki ,  Atsumasa Ishikawa

IPC: F28F9/02 ,  F28D1/04 ,  F28D1/02

Abstract: In an air-cooled heat exchanger system, the stress in the pipe connecting the upstream main pipe of the upstream manifold and each heat exchanger is minimized by using a simple structure. The air-cooled heat exchanger system (1) comprises an upstream manifold (6) including a plurality of upstream branch pipes (18) extending therefrom, a heat exchanger (4) connected to the downstream end of each branch pipe, and including an inlet header (31) placed on a base frame in a moveable manner, an outlet header and a plurality of heat transfer tubes (34) connecting the two headers, and a connecting member (41, 75) connecting each adjacent pair of the inlet headers. The upstream manifold, the inlet headers and the connecting members have a similar thermal coefficient so that when the upstream manifold expands thermally, the corresponding thermal expansion of the inlet headers and the connecting members causes the inlet headers to move relative to the base frame by an amount corresponding to the thermal expansion of the upstream manifold.

公开(公告)号：US09926397B2

公开(公告)日：2018-03-27

申请号：US13370508

申请日：2012-02-10

Applicant: Zhixiong You ,  Takeshi Minami ,  Chikako Hashimoto ,  Yoichi Umehara

Inventor： Zhixiong You ,  Takeshi Minami ,  Chikako Hashimoto ,  Yoichi Umehara

IPC: C08F226/06 ,  C08F212/36

CPC classification number: C08F226/06 ,  C08F212/36

Abstract: A vinylpyridine resin that is hardly pulverized and thermally decomposed such that the degradation of the catalytic activity is suppressed while having a pore volume and a specific surface area to maintain a sufficient catalytic activity, and also a method of manufacturing the vinylpyridine resin are provided. The resin represents: a volume ratio of the pores having a diameter of 3 through 5 nm to all the pores of not less than 4% and not more than 60%; a total pore volume of not less than 0.15 cc/g and not more than 0.35 cc/g; and a specific surface area of not less than 20 m2/g and not more than 100 m2/g. The resin can be manufactured by using a poor solvent and not less than 50 wt % and not more than 90 wt % of a good solvent as porous agent.

公开(公告)号：US09862654B2

公开(公告)日：2018-01-09

申请号：US14119302

申请日：2012-05-24

Applicant: Shinichiro Yanagawa ,  Yuichiro Fujiyama ,  Yasuyuki Iwasa ,  Ryoji Ida ,  Susumu Yasui ,  Yoshishige Sugi ,  Atsushi Fukui ,  Akira Utatsu

Inventor： Shinichiro Yanagawa ,  Yuichiro Fujiyama ,  Yasuyuki Iwasa ,  Ryoji Ida ,  Susumu Yasui ,  Yoshishige Sugi ,  Atsushi Fukui ,  Akira Utatsu

IPC: C07C2/70 ,  C10G35/06 ,  C07C6/12 ,  C10G45/64 ,  C10G69/04 ,  C10G11/05 ,  C10G29/20

CPC classification number: C07C2/70 ,  C07C6/126 ,  C07C2529/87 ,  C10G11/05 ,  C10G29/205 ,  C10G35/065 ,  C10G45/64 ,  C10G69/04 ,  C10G2300/301 ,  C10G2400/30 ,  C07C15/08

Abstract: A method for producing xylene from feedstock oil includes a cracking/reforming reaction step of bringing the feedstock oil into contact with a catalyst to produce monocyclic aromatic hydrocarbons; a separation/recovery step of separating and recovering, from a product obtained by the cracking/reforming reaction step, a fraction A containing monocyclic aromatic hydrocarbons having a 10 vol % distillation temperature of 75° C. or higher and a 90 vol % distillation temperature of 140° C. or lower, a xylene fraction containing xylene, and a fraction B containing monocyclic aromatic hydrocarbons having a 10 vol % distillation temperature of 145° C. or higher and a 90 vol % distillation temperature of 215° C. or lower; and a xylene conversion step of bringing a mixed fraction obtained by mixing the fractions A and B with each other into contact with a catalyst containing a solid acid to convert the mixed fraction into xylene.

公开(公告)号：US09662646B2

公开(公告)日：2017-05-30

申请号：US14897125

申请日：2014-06-03

Applicant: CHIYODA CORPORATION

Inventor： Zhixiong You ,  Yoichi Umehara ,  Tetsuro Matsumura ,  Takeshi Minami

IPC: B01J39/20 ,  C07C51/44 ,  C07C51/47 ,  C07C45/79 ,  C07C51/12 ,  B01J39/05 ,  B01J39/19 ,  B01J49/06 ,  B01J49/53

CPC classification number: B01J39/20 ,  B01J39/05 ,  B01J39/19 ,  B01J49/06 ,  B01J49/53 ,  C07C45/79 ,  C07C51/12 ,  C07C51/44 ,  C07C51/47 ,  C07C53/08

Abstract: An aldehyde adsorbent that can adsorb and remove aldehyde from a carboxylic acid-containing liquid is provided. The aldehyde adsorbent is an aldehyde adsorbent for adsorbing aldehyde in a carboxylic acid-containing liquid containing aldehyde, including a cation exchange resin ion-exchanged with a polyvalent amine in 1 to 99% by mol of the total exchange capacity.

公开(公告)号：US20160313056A1

公开(公告)日：2016-10-27

申请号：US15104564

申请日：2014-12-26

Applicant: CHIYODA CORPORATION

Inventor： Yoshitsugi Kikkawa ,  Koichiro Sakai

IPC: F25J1/00 ,  F25J3/02 ,  F25J1/02

CPC classification number: F25J1/0022 ,  F25J1/0035 ,  F25J1/0052 ,  F25J1/0055 ,  F25J1/0082 ,  F25J1/0085 ,  F25J1/0087 ,  F25J1/021 ,  F25J1/0216 ,  F25J1/0218 ,  F25J1/0239 ,  F25J1/0241 ,  F25J1/0262 ,  F25J1/0292 ,  F25J3/0209 ,  F25J3/0233 ,  F25J3/0238 ,  F25J2200/02 ,  F25J2200/40 ,  F25J2200/72 ,  F25J2200/74 ,  F25J2200/76 ,  F25J2205/02 ,  F25J2205/04 ,  F25J2210/60 ,  F25J2220/64 ,  F25J2220/66 ,  F25J2220/68 ,  F25J2230/08 ,  F25J2230/20 ,  F25J2230/22 ,  F25J2230/30 ,  F25J2230/60 ,  F25J2235/60 ,  F25J2240/02 ,  F25J2240/04 ,  F25J2240/40 ,  F25J2270/12 ,  F25J2270/18 ,  F25J2270/60 ,  F25J2270/66

Abstract: By controlling an excessive rise in the temperature of the material gas that is introduced into the liquefaction unit following the compression by a compressor, the temperature of the material gas may be adjusted to the temperature level at the introduction point of the liquefaction unit. A system (1) for the liquefaction of natural gas, comprises a first expander (3) for expanding natural gas under pressure as material gas; a first cooling unit (10, 11, 12) for cooling the material gas; a distillation unit (15) for reducing or eliminating a heavy component in the material gas by distilling the material gas cooled by the first cooler; a first compressor (4) for receiving a top fraction of the material gas from which the heavy component was reduced or eliminated by the distillation unit; and a liquefaction unit (21) for liquefying a gas phase component separated from the compressed material gas compressed by the first compressor by exchanging heat with a refrigerant.

Abstract translation: 通过控制在压缩机压缩之后引入到液化单元中的原料气体的温度过度上升，可以将材料气体的温度调节到液化单元的导入点处的温度水平。 一种用于液化天然气的系统（1）包括用于在压力下作为原料气体膨胀天然气的第一膨胀器（3） 用于冷却材料气体的第一冷却单元（10,11,12）; 蒸馏单元（15），用于通过蒸馏由第一冷却器冷却的材料气体来减少或消除材料气体中的重组分; 第一压缩机（4），用于接收由所述蒸馏单元减少或消除重组分的原料气体的顶部馏分; 以及液化单元（21），用于液化由与第一压缩机压缩的压缩材料气分离的气相成分与制冷剂进行热交换。

公开(公告)号：USRE46145E1

公开(公告)日：2016-09-13

申请号：US13940053

申请日：2013-07-11

Applicant: Chiyoda Corporation ,  Katsutoshi Makabe ,  Kiyoshi Makabe ,  Takako Nishijima

Inventor： Yoshimi Okada ,  Toshiji Makabe ,  Masashi Saito ,  Hiroaki Nishijima

IPC: B01J27/02 ,  B01J23/40 ,  B01J23/00 ,  B01J27/045 ,  B01J27/043 ,  B01J27/049 ,  B01J27/055 ,  B01J27/053 ,  B01J23/42 ,  C07C5/373 ,  C07C5/327 ,  C07C5/09 ,  C07C5/00 ,  C07C4/02 ,  B01J23/72 ,  B01J23/60 ,  B01J35/10 ,  B01J37/02 ,  C07C5/367 ,  B01J23/46 ,  B01J21/04 ,  B01J37/20 ,  B01J37/18 ,  B01J31/02 ,  B01J37/04 ,  C07C15/06 ,  B01J35/00

CPC classification number: B01J27/053 ,  B01J21/04 ,  B01J23/42 ,  B01J23/464 ,  B01J27/045 ,  B01J35/008 ,  B01J35/0093 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1061 ,  B01J37/0201 ,  B01J37/18 ,  B01J37/20 ,  C07C5/367 ,  Y02P20/52 ,  C07C15/06 ,  C07C15/24 ,  C07C15/02 ,  C07C15/27

Abstract: Provided are: a uniformly, highly dispersed metal catalyst including a catalyst carrier and a catalyst metal being loaded thereon dispersed throughout the carrier, the uniformly, highly dispersed metal catalyst having excellent performances with respect to catalytic activity, selectivity, life, etc.; and a method of producing the same. The uniformly, highly dispersed metal catalyst includes a catalyst carrier made of a metal oxide and a catalyst metal having catalytic activity, the catalyst metal being loaded on the catalyst carrier, in which the catalyst carrier is a sulfur-containing catalyst carrier having sulfur or a sulfur compound almost evenly distributed throughout the carrier and the catalyst metal is loaded on the sulfur-containing catalyst carrier in a substantially evenly dispersed manner over the entire carrier substantially according to the distribution of the sulfur or the sulfur compound.

Abstract translation: 提供：均匀高度分散的金属催化剂，其包含分散在整个载体上的催化剂载体和催化剂金属，均匀高度分散的金属催化剂在催化活性，选择性，寿命等方面具有优异的性能; 及其制造方法。 均匀，高度分散的金属催化剂包括由金属氧化物制成的催化剂载体和具有催化活性的催化剂金属，催化剂金属负载在催化剂载体上，其中催化剂载体是具有硫或硫的催化剂载体 硫化合物几乎均匀分布在整个载体上，催化剂金属基本上按照硫或硫化合物的分布，以基本上均匀分散的方式载于整个载体上。

公开(公告)号：US20150174525A1

公开(公告)日：2015-06-25

申请号：US14241112

申请日：2012-08-22

Applicant: Noboru Takei ,  Chisa Nishizaki

Inventor： Noboru Takei ,  Chisa Nishizaki

IPC: B01D53/34 ,  B01D53/48 ,  G01N33/00

CPC classification number: B01D53/346 ,  B01D53/48 ,  B01D53/501 ,  B01D2251/304 ,  B01D2251/404 ,  B01D2258/0283 ,  F23J15/02 ,  F23J2215/20 ,  G01N33/0004

Abstract: To provide a method for predicting a deactivation phenomenon in a flue-gas desulfurization unit to prevent the occurrence of the deactivation phenomenon before it happens.There is provided a method for preventing the occurrence of a deactivation phenomenon in a flue-gas desulfurization unit that treats flue gas of a coal-fired boiler, the method includes calculating a deactivation potential as an index of the deactivation phenomenon based on alkaline components such as Na, Ca, Mg, and K contained in ash in the flue gas, and performing an operation management, such as adjustment of set value of a pH control system, on the flue-gas desulfurization unit depending on change of the deactivation potential.

Abstract translation: 提供一种用于预测烟道气脱硫装置中的失活现象的方法，以防止在其发生之前发生失活现象。 提供了一种防止在燃煤锅炉的烟道气处理的烟道气脱硫装置中发生失活现象的方法，该方法包括：计算失活电位作为基于碱性成分的失活现象的指标 作为烟道气中的灰分中含有的Na，Ca，Mg，K，根据失活电位的变化，对烟道气脱硫装置进行调节pH值控制系统的设定值等操作管理。

公开(公告)号：US08745833B2

公开(公告)日：2014-06-10

申请号：US12921345

申请日：2009-03-05

Applicant: Ryujitsu Son ,  Toshihiko Yamaguchi

Inventor： Ryujitsu Son ,  Toshihiko Yamaguchi

IPC: B23P6/00 ,  B21D39/02

CPC classification number: E04G23/02 ,  E04G23/0225

Abstract: Provided is a method of partially replacing a shell plate of a tower or a vessel, capable of partially replacing the shell plate of the tower or the vessel in a short construction period at low construction cost.The method of partially replacing a shell plate of a main distillation tower is a method for replacing a cylindrical shell plate portion 2 serving as one portion of the shell plate 1 of a main distillation tower, wherein two facing parts located in the circumferential direction of the cylindrical shell plate portion 2 to be replaced are partially cut off and removed, new partial shell plates 3 are respectively attached to openings 6 generated by the removal, and the removal and the attachment are repeated, so that the cylindrical shell plate portion 2 is replaced. The new partial shell plate 3 is obtained in a case where the cylindrical shell plate portion 2 is substantially equally split into a plurality of sections in the circumferential direction.

Abstract translation: 提供了一种部分替代塔架或船只的壳板的方法，能够以较低的施工成本在短的施工期内部分地更换塔板或船的壳板。 主蒸馏塔的壳板的部分替代方法是用于更换主蒸馏塔的壳板1的一部分的圆筒形壳板部分2的方法，其中两个相对部分位于主蒸馏塔的圆周方向上 要更换的圆柱形壳板部分2被部分切除和移除，新的部分壳板3分别安装在通过移除产生的开口6上，重复拆卸和附接，从而更换圆柱形壳板部分2 。 在圆筒形壳板部分2在圆周方向上基本上等分成多个部分的情况下，获得新的部分壳板3。