Hitachi, Ltd.

Nkk Corporation

Hitachi Plant Technologies, Ltd.

Tsutomu Kawamura

Mitsuaki Uesugi

Akira Kazama

Takahiko Oshige

Shoji Yoshikawa

Kozo Harada

Hirotaka Takahashi

Masaichi Inomata

Tomofumi Shiraishi

Masahiro Iwabuchi

Shinichi Tomonaga

Ryousuke Nakamura

Shuji Kaneto

Shuichi Harada

Hajime Tanaka

Osamu Uehara

Shigemi Fukuda

Hiroyuki Sugiura

Tsuneo Suyama

Yasuo Kushida

Masatoshi Kumagai

Takeyuki Kondo

Hiroyuki Ito

Tadashi Sano

Shigenori Togashi

Junichi Yamada

Toshiaki Matsuo

Yasushi Tomita

Daisuke Hisajima

Naruyasu Okamoto

Masayuki Kamikawa

Kenichiro Oka

Yukako Asano

Yasunari Sase

Masashi Tanto

Hiroshige Kikuchi

Yuji Matoba

Tetsushi Ono

Kenichi Kuwabara

Kaoru Kawabata

Susumu Ikeda

Noriyuki Miyake

Hisashi Ito

Noboru Kawasaki

Hirohiko Yanagita

Mio Suzuki

This regional energy management device calculates the power interchange between consumers, on the basis of: storage battery level distribution indicating the relationship between storage battery levels and the position of storage batteries in a region at each time; excess or shortages of power for each consumer at each time, if a consumer has implemented a power supply equipment operation plan for fulfilling a consumer target index for that consumer; and an overall regional target index.

Region energy management device and region energy management method

Included are an energy management apparatus that manages at least one or more management target that consumes energy; and a user terminal that transmits and receives information to and from the energy management apparatus via a network. The energy management apparatus includes an energy management controller that prepares a question regarding a behavior of a user who uses the at least one or more management target, and transmits it to the user terminal. The user terminal includes a user terminal controller that transmits a question answer regarding the received question to the energy management controller when receiving the question transmitted from the energy management controller. The energy management controller predicts an energy consumption amount of the at least one or more management target based on the received question answer when receiving the question answer transmitted from the user terminal controller.

Energy operation support system and method thereof

The purpose of the present invention is to minimize impact on the comfort of people in a room and to achieve energy conservation in heat-source functions in an energy network comprising a plurality of heat-source functions that generate cold water and/or warm water, and a plurality of air-conditioning functions that obtain an air-conditioning effect by consuming the cold water and/or warm water generated by the heat-source functions. Disclosed is an energy network comprising a plurality of heat-source functions that generate thermal energy, and a plurality of air-conditioning functions that obtain an air-conditioning effect by consuming the thermal energy generated by the heat-source functions, wherein the energy network comprises: a first control function that selectively starts or stops the heat-source functions; and a second control function that controls the output of the air-conditioning functions. When the first control function starts or stops the heat-source function(s), the second control function controls the total load of the plurality of air-conditioning functions to a desired magnitude.

Thermal demand adjustment device for energy network and thermal demand adjustment method for energy network

A heat source system managing device includes: a predicted heat demand upper limit calculating unit configured to calculate a predicted heat demand upper limit by adding a prediction error to a predicted heat demand value for a heat source system; an operation plan preparing unit configured to prepare an operation plan of the heat source system to supply heat of the predicted heat demand upper limit to a consuming facility; a surplus stored heat quantity calculating unit configured to repeatedly perform a process of calculating a surplus stored heat quantity by subtracting a heat quantity consumed by the consuming facility from the predicted heat demand upper limit; and an operation plan changing unit configured to sequentially change the operation plan by decreasing a future operation rate of a refrigerator to cancel the surplus stored heat quantity.

Heat source system managing device, heat source system managing method, and program

A battery control apparatus includes a reduced electricity cost analysis unit that obtains a discharge electric power cost at a discharge time and a charge electric power cost at a charge time of a battery, based on a basic cost and a unit cost of an electricity bill, and obtains a reduced electricity cost in which the charge electric power cost is subtracted from the discharge electric power cost for every discharge depth of the battery; an introduction cost analysis unit that calculates an introduction cost of the battery for every discharge depth of the battery; and a charge and discharge depth optimization unit that obtains a difference of the reduced electricity cost and the introduction cost for every discharge depth of the battery, and determines a charge and discharge depth of the battery based on the difference. The discharge of the battery is performed at the determined charge and discharge depth.

Battery control apparatus

In order to provide, when a plurality of fluids each containing a different kind of substance are mixed and reacted, a reactor having a mixing channel capable of forming a multi-layered flow in a radial direction in the cylindrically-shaped mixing channel; improving mixing performance by synergizing swirling effects of mixture of turbulent flows and a swirling flow; and producing a reaction product with a high yield as well as high efficiency, a mixing channelwhich mixes fluidsandeach containing the different kind of substance is cylindrically shaped, and inlet passagesandwhich introduce the fluidsand, respectively, are plurally arranged in a manner offset from a central axis of the mixing channel

Reactor and reaction plant

An object of the present invention is to provide a method for commercially manufacturing acrolein in a large flow rate by making supercritical water and an acid interact with glycerin, wherein by efficiently mixing high-concentration glycerin and supercritical water with each other, the method is made capable of making the synthesis stably proceed with a high yield while the occlusion and abrasion of the pipes and devices due to the generation of by-products are being suppressed. The method for synthesizing acrolein of the present invention is a method for synthesizing acrolein by making supercritical water and an acid interact with glycerin, the method using a reaction apparatus including: a cylindrical mixing flow path for mixing a fluid including glycerin and a fluid including supercritical water with each other; a first inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including glycerin flow into the mixing flow path; and a second inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including supercritical water flow into the mixing flow path, wherein the first inlet flow path and the second inlet flow path are each provided in a plurality of numbers in such a way that the first inlet flow paths and the second inlet flow paths are alternately arranged so as to encircle the central axis of the mixing flow path.

Method for synthesizing acrolein

There is provided a reaction apparatus which is capable of keeping the pressure inside the reactor and is applicable to various fields. This reaction apparatus comprises: a raw material tank () for storing a raw material; a high-pressure pump () communicated with the raw material tank () and designed to deliver the raw material therefrom; a reactor () which is disposed on the downstream side of the high-pressure pump () and designed to be supplied with the raw material in a compressed state; a heating bath () for heating the reactor () to promote a reaction; and a product tank () for receiving and recovering a product; wherein the reaction apparatus is further equipped with an inlet port which is interposed between the heating bath () and the product tank (), and with an injection pump () for injecting an injecting liquid through the inlet port, whereby a pressure of product flowing into the product tank () is enabled to be reduced by making use of the flow rate of the injecting liquid.

Reaction apparatus

A defect marking device includes a flaw inspection device which has a plurality of light-receiving parts that identify reflected lights coming from an inspection plane of a metal strip under two or more of optical conditions different from each other; a signal processing section that judges the presence/absence of surface flaw on the inspection plane based on a combination of reflected light components identified under these optical conditions different from each other; and a marking device which applies marking that indicates information relating to the flaw on the surface of the metal strip.

Method for marking defect and device therefor

The defect marking method comprises the steps of: installing a surface defect tester to detect surface flaw and a marker device to apply marking at defect position, in a continuous processing line of steel sheet; detecting the surface flaw on the steel sheet using the surface defect tester; determining defect name, defect grade, defect length, and defect position in the width direction of the steel sheet, on the basis of thus detected flaw information, further identifying the defect in terms of harmful defect, injudgicable defect, and harmless defect; applying tracking of the defect position for each of the harmful defect and the injudgicable defect; and applying marking to the defect position. The defect marking device comprises a defect inspection means having plurality of light-receiving parts and a signal processing section, and a marking means.

A 3-D coordinate measurement is performed in such a way that an electrooptical distance-measuring device is used to measure a linear distance to a target point set on a surface of a measurement object, an angle measuring device is used to measure shifted angles of an optical axis of the electrooptical distance-measuring device, and a 3-D coordinate of the target point is measured according to a measured distance and a measured angle after the optical axis of the electrooptical distance-measuring device has been aligned to the target point. The present method includes a coordinate recognizing step for observing a plurality of targets, recognizing a plurality of target points, and calculating approximate 3-D coordinates of the target points; a macroscopic sighting step for approximate aligning the optical axis of the electrooptical distance-measuring device; and a microscopic sighting step for aligning the optical axis of the electrooptical distance-measuring device to the one of the target points in the predetermined viewfield range.

Three-dimensional (3-D) coordinate measuring method, 3-D coordinate measuring apparatus, and large-structure building method

A method for detecting a surface flaw which includes the steps of (i) irradiating polarized light to a surface of a sample to be inspected and determining ellipso-parameters (.PSI., .DELTA.) of reflected light from the surface of the sample; (ii) irradiating light to a same position as irradiated by the polarized light and determining the intensity (I) of reflected light from the surface of the sample; and (iii) determining a type and grade of a flaw on the surface of the sample based on the ellipso-parameters (.PSI.,.DELTA.) and the reflected light intensity (I). A surface flaw detecting apparatus includes (i) a first measuring device for irradiating polarized light to a surface to be inspected and measuring ellipso-parameters (.PSI.,.DELTA.) of reflected light from the surface; (ii) a second measuring device for irradiating light to a same position as irradiated by the polarized light and measuring the intensity (I) of reflected light from that position; and (iii) an output device for outputting a three-dimensional coordinate position of .PSI., .DELTA., I representing the reflected light from the surface, while sorting the position into a preset zone.

Method and apparatus for detecting surface flaws

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Tokyo, Japan

Tsutomu Kawamura