59results about How to "High collector temperature" patented technology

The invention discloses a groove-tower combined solar-heat power generation system, which comprises a subsystem for low-temperature groove-type heat collection and low-temperature heat storage, a subsystem for high-temperature tower-type heat collection and high-temperature heat storage, as well as a power generation subsystem, wherein the subsystem for low-temperature groove-type heat collectionand low-temperature heat storage is used for receiving and gathering solar radiation energy, converting the received solar radiation energy into medium-temperature heat energy and conveying the medium-temperature heat energy to the subsystem for high-temperature tower-type heat collection and high-temperature heat storage or a low-temperature heat accumulator; the subsystem for high-temperature tower-type heat collection and high-temperature heat storage is used for receiving and gathering solar radiation energy, converting the received solar radiation energy into high-temperature heat energyand conveying the high-temperature heat energy to a power subsystem or a high-temperature heat accumulator; and the power subsystem is used for converting the received heat energy into electric energy and outputting the electric energy. The system solves the problems that a groove-type solar-heat power generation system is low in heat-collecting temperature and difficult to promote; the optical efficiency of a heliostat filed of a simple-tower solar-heat power generation system is greatly affected by the scale of power plants; and the simple-tower solar-heat power generation system is not easy to maximize. The system has the advantages of reducing initial cost and occupied area.

The invention discloses a nano-molten salt phase-change energy storage solar furnace, which comprises a Fresnel concentrator, a phase-change energy storage heat exchanger, a latitude and longitude dual-axis tracker, a support rod, a V-shaped balance bracket and a bottom bracket; The concentrating focus of the Fresnel concentrator is equipped with a phase change energy storage heat exchanger with the functions of heat absorption, heat release and heat storage. The phase change energy storage heat exchanger is equipped with nano molten salt composite phase change Energy storage material, the phase change energy storage heat exchanger is equipped with a heat absorption cavity and a heat release furnace head, and the phase change energy storage heat exchanger is wrapped with a thermal insulation layer; Compared with the traditional direct concentrating solar cooker, it has the advantages of high heat collection temperature, no need for open-air operation, and continuous use when there is no sun at night.

The invention relates to a pressure type internal concentrating collector which consists of a pressure type sealing device, a header 10, an outer glass tube 5, an inner glass tube 4, a CPC light-focusing unit 6, a heat pipe 1, a nano heat-conduction paste layer 7 and an end cover 3; the heat pipe 1 passes through the pressure type sealing device coaxially, the openings of the outer glass tube 5 and the inner glass tube 4 are jointed mutually by sealing, the CPC light-focusing unit 6 is arranged between the interlayers of the outer glass tube 5 and the inner glass tube 4, the heat pipe 1 is arranged inside the inner glass tube 4 and is coaxial with the inner glass tube 4, the nano heat-conduction paste layer 7 is filled between the outer wall of the heat pipe 1 and the inner wall of the inner glass tube 4, a cavity between the outer glass tube 5 and the inner glass tube 4 is pumped into vacuum or introduced with inert gas, the inner glass tube 4 is arranged at the focus position of theCPC light-focusing unit 6, and the end cover 3 is arranged at the mouth of the tube. The pressure type internal concentrating collector has the advantages of lower cost, higher collector temperature,stronger pressure-bearing capacity, higher reliability and the like, thus having wider adaptability in civilian use and industrial fields.