Abstract: A cleaning device for a reflective surface of a disc light-condenser includes a low pressure air transfer tube which is provided on the reflective surface of the disc light-condenser, driven by a pneumatic motor and capable of rotating around the central axis of the reflective surface of the disc light-condenser, and a high pressure water pipe provided in parallel with the low pressure air transfer tube; the lower end of the low pressure air transfer tube is connected with a plurality of air flow nozzles; the lower end of the high pressure water pipe is provided with a plurality of high pressure water nozzles via a nozzle mounting shaft; during cleaning, the low pressure air transfer pipe and the high pressure water pipe are connected to a mobile cleaning station of a solar power generating system via a fluid connecting pipe and a signal control line.

Abstract: A disc-type concentrator comprises a disc rack vertical post, a disc rack, a rotating shaft, a rotating reflection mirror, a power driving device, and a control system. The rotating shaft is arranged on the disc rack and rotatably connected with the disc rack. The rotating reflection mirror is arranged on a side of the rotating shaft and fixedly connected with the rotating shaft. The power driving device is arranged on the disc rack or on the back surface of the rotating reflection mirror and driving the rotating reflection mirror to rotate. The control system is connected with the power driving device and controlling the working state of the power driving device.

Abstract: A disc-type concentrator comprises a disc rack vertical post, a disc rack, a rotating shaft, a rotating reflection mirror, a power driving device, and a control system. The rotating shaft is arranged on the disc rack and rotatably connected with the disc rack. The rotating reflection mirror is arranged on a side of the rotating shaft and fixedly connected with the rotating shaft. The power driving device is arranged on the disc rack or on the back surface of the rotating reflection mirror and driving the rotating reflection mirror to rotate. The control system is connected with the power driving device and controlling the working state of the power driving device.

Abstract: A cleaning device for a reflective surface of a disc light-condenser includes a low pressure air transfer tube which is provided on the reflective surface of the disc light-condenser, driven by a pneumatic motor and capable of rotating around the central axis of the reflective surface of the disc light-condenser, and a high pressure water pipe provided in parallel with the low pressure air transfer tube; the lower end of the low pressure air transfer tube is connected with a plurality of air flow nozzles; the lower end of the high pressure water pipe is provided with a plurality of high pressure water nozzles via a nozzle mounting shaft; during cleaning, the low pressure air transfer pipe and the high pressure water pipe are connected to a mobile cleaning station of a solar power generating system via a fluid connecting pipe and a signal control line.

Abstract: A heat collector of a dish-type solar thermal power generation system and the solar thermal power generation system having the heat collector. The heat collector of the dish-type solar thermal power generation system comprises a heat collecting cavity and at least one layer of heat absorbing coil. The heat collecting cavity is provided with an opening. The heat absorbing coil forms a cavity structure. The cavity structure is provided with a hole. The cavity structure is arranged within the heat collecting cavity. The hole and the opening are aligned. A low temperature inlet of the heat absorbing coil is arranged on the cavity structure at a location where incident light energy distribution density is at maximum. The heat collector is capable of preventing ablation of the heat absorbing coil due to localized overheating and burning of the heat collector due to abrupt drop in convective heat transfer coefficient caused by phase transition of working fluid.