Mitsubishi Heavy Industries Limited

The University of Tokyo

Mitsubishi Heavy Industries Engineering, Ltd.

Shin-etsu Chemical Co., Ltd.

Nikkiso Company Limited

Nippon Steel & Sumikin Engineering Co., Ltd.

Kawasaki Jukogyo Kabushiki Kaisha

Ohkawara Kakohki Co., Ltd.

Exergy Power Systems, Inc.

Mitsubishi Power Systems, Ltd.

Nippon Steel & Sumkin Engineering Co., Ltd.

Atsushi Tsutsumi

Naoyuki Nagafuchi

Yasuki Kansha

Takashi Kamijo

Tadateru Tanioka

Tetsuya Tanaka

Kazunori Fujita

Shinya Marushima

Yoshimasa Ando

Takashi Kimura

Keisuke Kato

Hiromi Ishii

Masaaki Suzuki

Takashi Chino

Hideo Yoshikoshi

Masaru Takeuchi

Yuji Nogami

Takao Kawamura

Takafumi Kiuchi

Kenzo Kaminaga

Yoshihisa Hirakuri

Yoichi Ishibashi

Ryohta Hidaka

Hiroyuki Mizuno

Kazuo Takahashi

Kazuhiro Mochizuki

Keigo Matsumoto

Shozo Kaneko

Katsuhiko Yokohama

Kazuo Tsutsumi

Masaaki Ohkawara

Toshio Atsuta

Chikanori Kumagai

Mitsuharu Kishimoto

Akira Kishimoto

Masaaki Kinoshita

Kaduo Tsutsumi

Yoshiki Yamaguchi

Hiroaki Shigeta

Kazuki Murahashi

Noboru Kawamoto

Kenichiro Kosaka

Yasuhiko Katoh

Toshimitsu Morimoto

Gentaro Nemoto

Mikihiro Hayashi

Takahiro Araya

Kazunori Tsujii

Kenichi Irie

Takahiro Kamo

Tomonori Sumi

Yutaka Ekuni

Tomohiro Mimura

Chihiro Fushimi

Koji Ohura

Masanori Ishizuka

This exhaust gas processing equipment is provided with an exhaust line through which exhaust gas discharged from a boiler circulates, a carbon dioxide recovering device for recovering carbon dioxide included in the exhaust gas, and an exhaust gas heating device provided downstream of the carbon dioxide recovering device to heat the exhaust gas. The carbon dioxide recovering device includes a first medium line through which a first medium circulates, and a second medium line through which a second medium higher in temperature than the first medium circulates. The exhaust gas heating device includes a first heating unit for heating the exhaust gas by means of heat exchange with the first medium, and a second heating unit for heating the exhaust gas passing through the first heating unit even more by heat exchange with the second medium.

Exhaust gas processing equipment and gas turbine plant

A boiler plant includes a carbon dioxide capture system. The carbon dioxide capture system has an absorbing-liquid regeneration device and an absorber. The absorbing-liquid regeneration device includes a regenerator, a first circulation line in which the absorbing liquid is taken out from the regenerator and is returned to the regenerator, and a second circulation line in which the absorbing liquid is taken out from the regenerator and is returned to the regenerator, a heat exchanger, a heater, and a switcher. The heat exchanger heats the absorbing liquid by exchanging heat between the absorbing liquid flowing through the first circulation line and steam from the boiler. The heater heats the absorbing liquid flowing in the second circulation line. The switcher switches between a first heating state, in which the absorbing liquid flows in the first circulation line, and a second heating state, in which the absorbing liquid flows in the second circulation line.

Boiler plant and carbon dioxide removal method

A synthetic product production system is provided with: a synthesis plant for producing a synthetic product by synthesizing a hydrogen-containing gas and carbon dioxide; and a carbon dioxide supply line for supplying the carbon dioxide to the synthesis plant from a recovery and storage plant including a recovery device for recovering the carbon dioxide from a carbon dioxide-containing gas and an injection facility for fixing the recovered carbon dioxide into a stratum.

Synthetic product production system and carbon dioxide treatment system

A hydrogen production system includes: a hydrogen production device connected to an electric power system or connected to a power generation device using renewable energy and configured to produce hydrogen by electrolyzing pure water; an output control unit capable of controlling an amount of power supplied from the electric power system to the hydrogen production device according to request from the electric power system; a first pure water line for supplying pure water to the hydrogen production device; a first adjustment device capable of adjusting an amount of pure water supplied to the hydrogen production device via the first pure water line; and a first control unit configured to control the first adjustment device, based on a power amount signal indicating information on an amount of power supplied from the electric power system to the hydrogen production device.

System and method for hydrogen production using a control unit controlling an adjustment device

A gas turbine plant includes a gas turbine, an exhaust line, an exhaust heat recovery boiler that generates steam due to heat of exhaust gas and guides the exhaust gas to the exhaust line, a carbon dioxide recovery device that recovers carbon dioxide contained in the exhaust gas, a heat exchanger that cools the exhaust gas to a temperature set in advance, and a circulation line that branches from a position between the carbon dioxide recovery device and the heat exchanger and is connected to an inlet of the gas turbine. The carbon dioxide recovery device has an absorption tower that absorbs carbon dioxide contained in the exhaust gas by causing the exhaust gas at the set temperature and an absorption liquid to come into contact with each other. The heat exchanger is formed of a material having higher corrosion resistance than a material forming the exhaust heat recovery boiler.

Gas turbine plant

A gas turbine plant includes an exhaust line, a carbon dioxide recovery device configured to recover carbon dioxide contained in an exhaust gas, a circulation line connected to a gas turbine, a first valve device, a bypass line bypassing the carbon dioxide recovery device, a second valve device provided on the bypass line, a third valve device provided at a position between the bypass line and the carbon dioxide recovery device, a densitometer configured to detect a carbon dioxide concentration in the exhaust gas, and a control device configured to adjust opening degrees of the first valve device, the second valve device, and the third valve device based on an operation state of the gas turbine and the carbon dioxide concentration.

Gas turbine plant and exhaust carbon dioxide recovery method therefor

A hydrogen production system includes: a hydrogen production device connected to an electric power system and configured to produce hydrogen by electrolyzing pure water; an output control unit capable of controlling an amount of power supplied from the electric power system to the hydrogen production device according to request from the electric power system; a first pure water line for supplying pure water to the hydrogen production device; a first adjustment device capable of adjusting an amount of pure water supplied to the hydrogen production device via the first pure water line; and a first control unit configured to control the first adjustment device, based on a power amount signal indicating information on an amount of power supplied from the electric power system to the hydrogen production device.

Hydrogen production system

A two-shaft gas turbine facility includes a two-shaft gas turbine, an induction motor connected to a compressor of the two-shaft gas turbine, a secondary battery, a first frequency converter that controls power transmission and reception between a power system and the induction motor, and a second frequency converter that controls charging and discharging of power between the secondary battery and the power system. A first control unit of a control device causes power transmission and reception to be performed between the induction motor and the power system by the first frequency converter if a required output change rate is higher than a maximum output change rate. A second control unit causes the secondary battery to be charged and discharged by the second frequency converter if power to be transmitted to and received from the induction motor has reached maximum allowable power.

Two-shaft gas turbine power generating facility and control method for same

Embodiments of the invention provide a seawater desalination device, including a steam re-compressor configured to pressurize steam by pressurizing a steam; a first heat exchanger configured to exchange an amount of sensible heat of seawater to be desalinated with an amount of liquid sensible heat after pressurized steam is condensed, and an amount of sensible heat of a concentrated liquid after seawater is concentrated; a second heat exchanger configured to exchange an amount of heat of pressurized steam, an amount of latent heat of vaporization of seawater, and an amount of sensible heat when seawater is evaporated, and configured to concentrate seawater; a seawater supply means; a steam supply means; a first discharge means; a second discharge means; and a water-droplet separation means.

Seawater desalination device and seawater desalination method

A reversible fuel cell includes a positive electrode containing manganese dioxide, a negative electrode containing a hydrogen storage material, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. Each of the negative electrode and the positive electrode is an electrode for power generation and is also an electrode that applies electrolysis to the electrolyte using electric current to be fed from the outside. This cell is capable of storing electric energy to be supplied at the time of overcharge by converting the electric energy into gas, and is also capable of reconverting the gas into electric energy in order to utilize the electric energy. Accordingly, there are provided a reversible fuel cell and a reversible fuel cell system each of which is excellent in energy utilization efficiency, energy density and load following capability.

Reversible fuel cell and reversible fuel cell system

A water-containing solid fuel drying apparatus that can efficiently dry with low energy consumption by effectively utilizing sensible heat and latent heat of a heating medium for drying, etc. is provided. A drying apparatus () that dries water-containing solid fuel includes a dryer () that injects scavenging gas into the interior of a drying vessel () in which a heat transfer pipe () is disposed; a dust collector () that removes microparticles from microparticle-containing mixed gaseous fluid that has flowed out of the drying vessel (); a compressor () that compresses vapor-containing mixed gaseous fluid; a vapor heat exchanger () that preheats low-pressure mixed gaseous fluid with high-pressure mixed gaseous fluid compressed at the compressor (); and a gas-liquid separator (), in which the high-pressure mixed gaseous fluid is employed as drying gas that radiates heat by passing through the heat transfer pipe (), that performs gas-liquid separation of water-containing scavenging gas that has flowed out of the heat transfer pipe () while containing condensed water of vapor generated due to heat radiation, wherein the water-containing solid fuel is dried by heating the water-containing solid fuel in the drying vessel () utilizing latent heat and sensible heat of the mixed gaseous fluid.

Water-containing solid fuel drying apparatus and drying method

A carbon dioxide gas recovery device is provided which includes an absorption tower causing an absorbent to absorb carbon dioxide gas to generate a rich absorbent and a regeneration tower regenerating a lean absorbent by heating the rich absorbent to separate carbon dioxide gas therefrom. The regeneration tower includes a reboiler system heating the absorbent led out from the regeneration tower and reintroducing the heated absorbent into the regeneration tower and a mixed gas cooling system cooling a mixed gas led out from the regeneration tower, condensing a vapor fraction of a solute and a solvent, reintroducing the condensed vapor fraction into the regeneration tower, and discharging carbon dioxide gas. The carbon dioxide gas recovery device further includes a heat pump as a heat source of an endothermic reaction in which carbon dioxide gas is separated from the rich absorbent in the regeneration tower.

Carbon dioxide gas recovery device

[Problem] To provide a membrane separation apparatus and a membrane separation method capable of reducing energy consumption, [Solution] A membrane separation apparatus () includes: a membrane separator () supplied with a fluid (X) containing a component (A) and a component (B) and separating the fluid (X) into a fluid (Y) having a higher concentration of the component (A) than the fluid (X) and a fluid (Z) having a lower concentration of the component (A) than the fluid (X) by using a separation membrane; a first compressor () adiabatically compressing the fluid (Y); a first heat exchanger () to which the fluid (Y) adiabatically compressed by the first compressor () is introduced as a heat source; and a second heat exchanger () to which the fluid (Z) is introduced as a heat source. The fluid (X) is divided and conveyed by first and second supply lines (), the divided fluids (X) are heated by the first and second heat exchangers (), respectively, then merged and supplied to the membrane separator ().

Ethanol/water vapor permeation membrane separation process with heat and energy recovery via temperature and flow control

Disclosed are a method for producing ethanol and a device for producing ethanol that are suitable to the recycled use of an enzyme. The device is configured from: a vacuum distillation tower () into which an ethanol-fermented liquid generated by saccharification fermentation of a biomass starting material is introduced, and with the interior in a state that is at a lower pressure than atmospheric pressure, that subjects the ethanol-fermented liquid to distillation, distilling ethanol vapor that contains water vapor, and removing as a bottom product the enzyme-containing concentrated waste liquid that is roused for saccharification fermentation of the biomass starting material; and a fractionating tower () for fractionating the ethanol vapor distilled from the vacuum distillation tower (). In this case, the energy of the ethanol vapor can be more efficiently taken advantage of if the device is provided with a first compressor () that adiabatically compresses the ethanol vapor distilled from the vacuum distillation tower (), and the ethanol vapor adiabatically compressed by the first compressor () is introduced into the fractionating tower ().

Device for producing ethanol and method for producing ethanol

A battery comprising powdered active materials and capable of storing a large power, and equipment or device having the battery as parts of its structure, wherein an anode cell ( ) of two vessels connected via an ion-passing separator ( ) is filled with an anode powdered active material and an electrolytic solution ( ), a cathode cell ( ) is filled with a cathode powdered active material and an electrolytic solution ( ) and conductive current collectors ( ) in contact with the powdered active materials are provided in the two vessels.

Battery and equipment or device having the battery as part of structure and locally distributed power generation method and power generation device therefor

Growing community of inventors

Tokyo, Japan

Atsushi Tsutsumi