Solar heat collecting device

摘要

[Problem] To present a solar heat collecting device capable of enhancing the heat collecting efficiency by effectively utilizing the sunlight entering an area near the end part of the reflector at the opposite side of the direction of location of the sun.;[Solving Means] In the solar heat collecting device for collecting the reflected light of sunlight Sb1, Sb2 entering a trough type reflector 1 having a parabolic section to a heat collecting pipe 2 erected at a position of focus of the reflector 1, and transmitting energy to a heat medium passing inside of the heat collecting pipe 2, the solar heat collecting device is installed so that central axis L1 of the reflector 1 may be directed along the north-south axis, and a plane reflector 3 is disposed orthogonally to central axis L1, at the end part of the reflector 1 at the opposite side of the direction of location of the sun.

主权项

1. A solar heat collecting device for collecting the reflected light of sunlight entering a trough type reflector having a parabolic section to a heat collecting pipe erected at a position of focus of the reflector, and transmitting energy to a heat medium passing inside of the heat collecting pipe, wherein the solar heat collecting device is installed so that a central axis of the reflector may be directed along the north-south axis, and a plane reflector is disposed orthogonally to the central axis, at the end part of the reflector at the opposite side of the direction of location of the sun,
the solar heat collecting device further comprising a high-pressure air injection mechanism for injecting a high-pressure air for cleaning along the incident plane of sunlight of the reflector, wherein along a frame member supporting the incident plane of sunlight of the reflector, pipe members forming multiple nozzle holes for injecting high-pressure air for cleaning of the high-pressure injection mechanism are disposed.