Tokyo Institute of Technology

Mihama Corporation

Other

Solarflame Corporation

Nippon Paint Compnay, Ltd.

Mitsubishi Chemical Industries Limited

Denki Kagaku Kogyo Kabushiki Kaisha

Jgc Corporation

Kyushu Institute of Technology

Sasakura Engineering Co., Ltd.

Bellex Corporation

Chiiki Shinko Jigyo-Dan Co., Ltd.

Yutaka Tamaura

Masanori Abe

Yuji Inada

Katsunobu Takahashi

Hiroshi Hasuike

Katsukiyo Ishikawa

Takao Saito

Koji Miyazaki

Masao Oishi

Kazutaka Hiraoka

Yoshiharu Horita

Toru Kannari

Motoaki Utamura

Takashi Kiryu

Hideyuki Ishihara

Tadahiko Takamatsu

Yoshio Yoshizawa

A heliostat apparatus includes one mirror frame supporting a reflecting mirror; a pair of north-south rotational shafts to rotate the mirror frame in the north-south direction; an east-west rotational shaft to rotate the mirror frame in the east-west direction with the north-south direction as the rotational axis direction; a pair of arms projecting from the east-west rotational shaft to the east and west; an east-west rotational shaft support allowing east-west rotational shaft axial rotation; and the north-south rotational shafts positioned to face each other on the ends of the arms. The mirror frame rotation, etc. as an integrated unit in the east-west direction with the east-west rotational shaft as the rotational axis adjusts a reflecting mirror reflecting surface east-west angle. With the north-south rotational shaft as the rotational axis, the mirror frame rotation in the north-south direction adjusts the north-south angle of at least one reflecting mirror reflecting surface.

Heliostat apparatus and solar heat collecting apparatus and concentrating photovoltaic apparatus

Solar heat collecting apparatus, wherein plural reflecting mirrors are disposed in north-south direction; the plural reflecting mirrors are provided with heliostat mechanism; the heliostat mechanism includes an east-west angle adjustment unit, having a rotating ring, to adjust the angle of reflecting surface of the plural reflecting mirrors in the east-west direction, and a north-south angle adjustment unit, having actuators, to adjust angle of reflecting surface of the plural reflecting mirrors in the north-south direction; the angle of reflecting surface of the plural reflecting mirrors on each reflection line is simultaneously adjusted via the frame by rotation of the rotating ring; the angle of reflecting surface of each reflecting mirror is individually adjusted by a back-and-forth motion of an arm of the corresponding actuator; and, each reception line is provided with a receiver, and the receiver collects heat from the reflected light of the sunlight reflected by the plural reflecting mirrors.

Solar heat collecting apparatus and solar heat collecting method

The present invention provides a steam generator capable of greatly improving energy efficiency, and an energy supply system that uses the steam generator. The steam generator of the present invention includes a high-temperature chamber to which heat of 250&#xb0; C. to 800&#xb0; C. is supplied; a low-temperature chamber arranged adjacent to the high-temperature chamber and configured to produce low-temperature steam of 50&#xb0; C. to 185&#xb0; C. from water using the heat of the high-temperature chamber; and at least one thermoelectric element arranged between the high-temperature chamber and the low-temperature chamber.

Steam generator and energy supply system using the same

The invention provides a solar thermal storage method capable of supplying heat of about 1000-1300 K to an external facility for 24 hours. Disclosed is a solar thermal storage method for storing heat using solar light energy, comprising a concentrated beam irradiation step Sof irradiating a reactive ceramics layer with a concentrated beam obtained by concentrating solar light to heat the same while moving the reactive ceramics layer formed using reactive ceramics that transforms from an oxidized form to a reduced form with a release of oxygen when heated and returns to the oxidized form when brought into contact with the oxygen; and a thermal storage step Sof storing the heat emitted from the reactive ceramics layer in thermal storage means while bringing the reactive ceramics layer heated in the concentrated beam irradiation step Sinto contact with gas containing the oxygen.

Method and system for storing solar heat

It is to heighten the heat collecting efficiency of a linear type solar heat collecting apparatus. A plurality of reflection lines and one reception line are included. The reflection lines are arranged in parallel substantially in the south-north direction on earth. Each reflection line L, L, . . . has a heliostat. The heliostatis composed of a plurality of mirror segments disposed in series on each reflection line L, L, . . . . The reception line C extends in the east-west direction perpendicular to the reflection lines L, L, . . . , and is disposed at a predetermined position above the reflection lines L, L, . . . . The reception line C has a single receiver. The mirror segments disposed on each reflection line L, L, . . . radiate reflected light of sunlight that has impinged on the mirror surface toward the reception line C. The receiverdisposed on the reception line C collects the heat of the reflected light of sunlight radiated from the mirror segments disposed on each reflection line.

Cross linear type solar heat collecting apparatus

Provided is a solar light concentrating system which realizes suppression of power generation costs by applying a receiverthat is capable of suppressing a manufacturing cost to a low level, facilitating recovery work when a failure occurs, and quickly recovering a heating medium circulating inside in case of an emergency. The receiveris formed by three-dimensionally combining multiple modules. At least a part of the modules is a trapezoid-shaped moduleB. The trapezoid-shaped module includes an upper headerB, a lower headerB being shorter than the upper header, and multiple heat receiving tubeswhich connect the two headers. The heat receiving tubes are formed by successively altering their cross-sectional shapes in away that makes each heat receiving tube shaped like a wedge that becomes narrower from its top toward its bottom in a front view, and like a wedge that becomes wider from its top toward its bottom in a side view.

Solar light condensing system

A sunlight collecting system and a solar energy utilization system which collects sunlight with the sunlight collecting system are provided, a sunlight collecting system including a solar heat collector which includes a heat collecting element which is formed by a helically wound heat exchange medium circulation pipe inside which the heat exchange medium flows, in such a way to have an incurved light receiving surface which narrows and converges towards the sunlight inlet and a sunlight collecting reflector which includes a reflector group which includes a plurality of reflector segments each of which includes a reflecting surface which makes sunlight converge on a heat collector, a sunlight collecting system in which a plurality of heliostats Bm are arranged in places which are irradiated by the sunlight between a plurality of heliostats An, in which each of the heliostats An and the heliostats Bm reflect light in a direction to a light collecting point of a heliostat group in which the heliostat is included.

Solar heat collector, sunlight collecting reflector, sunlight collecting system and solar energy utilization system

Shell fossil powder is added to a flocculation agent which is mainly composed of gypsum and silicate compound, and the mixture is added to a suspension. The mixing ratio of the flocculation agent and shell fossil powder is 3:1. The flocculation agent functions as a coagulation core A, and the shell fossil powder is able to absorb grains in the suspension as a carrier B and is acquired by the coagulation core A. The carrier B is a grain which is able to effectively utilize Ca.sup.2+ flocculation site of the coagulation core A, which absorbs a great deal of suspending grains, wherein the suspending grains are acquired by the coagulation core A and form a large flock and are quickly settled.

Coagulating agent for wastewater

An activated magnetite catalyst is formed of activated iron oxide or iron particles with solid crystal lattice, from which oxygen is partly removed. When the activated mgnetite catalyst is prepared, oxygen is partly removed from solid crystal lattice of particles of Fe.sub.3 O.sub.4, Fe.sub.3 O.sub.4+x obtained by partly or entirely oxidizing Fe.sub.3 O.sub.4 or gamma-Fe.sub.2 O.sub.3. The catalyst is useful to decompose gaseous oxides.

Catalyst for decomposing gaseous oxide and method of manufacturing the

A magnetic powder treated with a coating agent, wherein the surface of the magnetic powder is coated with an alternating copolymer comprising a polyoxyethylene allyl methyl diether and maleic anhydride. An aqueous coating material containing the magnetic powder and a magnetic recording medium prepared by use of the magnetic powder. The magnetic powder of the present invention has a good dispersibility. The aqueous coating material containing the magnetic powder allows for coating under a simple and safe environment. Also the magnetic recording medium prepared by the use of magnetic powder exhibits excellent magnetic characteristics.

Magnetic powder coated with a copolymer of polyoxyethylene allyl methyl

Disclosed is a method for forming a ferrite film comprising, flowing downward or spraying an aqueous oxidizing agent solution on a substrate in a deoxidized atmosphere and simultaneously supplying an aqueous deoxidized solution containing at least ferrous ions, to effect a ferrite crystallization reaction on the substrate. This ferrite film is used for magnetic recording media, photomagnetic recording media, magnetic heads, etc.

Method for forming ferrite film

Disclosed is a conjugate comprising a magnetic material and a physiologically active substance bound to each other through a polyethylene glycol derivative, and a conjugate comprising a magnetic material and a polyethylene glycol derivative bound to each other. According to the present invention, a bioreactor enabling application to or recovery of physiologically active substances under liquid state by utilizing the magnetic properties is provided.

Magnetic material-physiologically active substance conjugate

A process for forming a ferrite film, which is characterized in that in an aqueous solution containing at least ferrous ions as metal ions, ferrous hydroxide ions FeOH.sup.+, or FeOH.sup.+ and other metal hydroxide ions, are uniformly adsorbed on the surface of a solid by an interfacial reaction at an interfacial boundary between the solid and the aqueous solution; and the adsorbed FeOH.sup.+ is oxidized to FeOH.sup.2+, whereupon FeOH.sup.2+ and metal hydroxide ions in the aqueous solution undergo a ferrite crystallization reaction to precipitate a ferrite layer on the surface of the solid.

Growing community of inventors

Tokyo, Japan

Yutaka Tamaura