A square cavity collector with a u-shaped coaxial sleeve reactor around the inner wall
A sleeve reactor and square cavity technology, applied in the field of cavity solar collectors, can solve problems such as damage to heat pipe collectors, increase heat transfer resistance, reduce contact resistance, and facilitate cleaning and replacement Effect
Inactive Publication Date: 2017-01-18
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
However, due to the inhomogeneity of concentrated sunlight, the surface of the heat-absorbing pipe is prone to produce a large temperature gradient, which will cause serious damage to the heat pipe and even the entire collector.
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[0034] The specific implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited thereto. It should be pointed out that if there are no specific details below, those skilled in the art can refer to the prior art. of.
[0035] Figure 1 ~ Figure 2It is a schematic diagram of the structure of this embodiment. A square chamber heat collector with a U-shaped coaxial sleeve reactor around the inner wall, specifically including a filling hole 1, an inner shell 2, bolts 3, a U-shaped coaxial sleeve assembly 4, an inlet pipe 5, an outlet pipe 6, a seal Ring 8 and ring body through hole 7, windshield plated with reflective coating 9, filling material 10, shell 11, inner side of windshield 12, outer side of windshield 13, inner ring of sealing ring 14, outer ring of sealing ring 15 , the catalyst layer 16, the outer tube 17 of the coaxial sleeve assembly, ...
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The invention discloses a square cavity type heat collector with U-shaped coaxial sleeve cylinder reactors at an inner wall. The cavity type heat collector is characterized in that the integral structure is in a square shape, the lower part of the integral structure is provided with an opening, the cavity type heat collector comprises a square cavity, U-shaped coaxial sleeve cylinder assemblies and air blocking plates, each air blocking plate is plated with a reflective coating layer, the U-shaped coaxial sleeve cylinder assemblies are arranged in the square cavity, and are attached to the inner wall of the square cavity in an U-shaped loop way, each air blocking plate is arranged at the opening of the lower part of the square cavity, is not provided with a bottom part, and is in a quadrangular prism shape, one end of each air blocking plate is positioned in the square cavity, the other end of each air blocking plate is positioned outside the square cavity, and the middle part of each air blocking plate is connected with the cavity in a seamless way. The cavity type heat collector has the advantages that by adopting the structure design, an energy-storage reaction medium can greatly exchange heat with solar heat energy in a longer-time way, so the solar heat energy is furthest absorbed and is converted into chemical energy; the structure is simple, and the modularized manufacturing is realized; the characteristics of high heat collection efficiency and small heat loss are realized; the cavity type heat collector is suitable for the collection of solar heat energy and the conversion of heat energy in a disc type solar high-temperature heat utilization system.
Description
technical field [0001] The invention relates to a cavity-type solar heat collector, in particular to a square cavity-type heat collector with a U-shaped coaxial sleeve reactor on the inner wall, which is used in a dish-type solar high-temperature heat utilization system. Background technique [0002] The high-temperature utilization of solar thermal energy in my country started relatively late and has not yet reached the stage of popularization. With the development and progress of society, human beings' demand for energy is also increasing. The current global primary energy composition is mainly composed of fossil fuels. However, fossil fuels are non-renewable and cause environmental pollution during use, which prompts people to look for renewable energy that is both renewable and does not cause environmental pollution. The development and utilization of energy is affected by many factors such as economy, technology and environment. As the basic energy source of wind ener...
Claims
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IPC IPC(8): F24J2/24F24J2/48F24S10/70
CPCY02E10/44
Inventor 龙新峰张婷婷姜雨轩
Owner SOUTH CHINA UNIV OF TECH