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Rotary type thermoelectric conversion device of circulation phase-change separation cavity

A thermoelectric conversion device and thermoelectric conversion technology, which are applied in the field of mechanical devices, can solve problems such as complex system composition, and achieve the effects of reducing structural complexity, improving power density, and avoiding power consumption.

Inactive Publication Date: 2018-10-12
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device uses a Tesla turbine structure instead of a steam turbine as a thermal energy conversion component, which simplifies part of the structure of the traditional solar thermal power generation system, but still has a complex system composition and requires a booster pump to send the liquid working fluid into the working medium for evaporation Disadvantages of the device

Method used

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  • Rotary type thermoelectric conversion device of circulation phase-change separation cavity
  • Rotary type thermoelectric conversion device of circulation phase-change separation cavity
  • Rotary type thermoelectric conversion device of circulation phase-change separation cavity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] refer to figure 1 , the present embodiment includes a thermoelectric conversion unit 1, a central pillar 2 and a concentrating surface 3, the concentrating surface 3 adopts the shape of a rotating parabola, which can converge the incident sunlight to a small range of its focal plane; the thermoelectric The conversion unit 1 is fixed at the focus position of the light-concentrating surface 3 through the central pillar 2 .

[0029] refer to figure 2 , the thermoelectric conversion unit 1 includes an impeller chamber 104, a liquid storage chamber 103, a condensation chamber 102, a heating chamber 101, a generator 105, a heating chamber exhaust pipe 106 and a support frame 111, wherein: the impeller chamber 104 passes through the support frame 111 It is fixed on the top of the generator 105, and its central axis coincides with the central axis of the generator 105; the liquid storage chamber 103 is fixed on the top of the impeller chamber 104, and is connected with the li...

Embodiment 2

[0055] Compared with Embodiment 1, this embodiment differs in that: the structure of the liquid storage chamber 103 in the thermoelectric conversion unit 1 and the connection relationship of the liquid storage chamber drain pipe 109 are changed, and other structures are the same.

[0056] refer to Figure 8 , the liquid storage chamber 103 includes a liquid storage chamber 1032, a liquid storage chamber cover 1031, a compression spring 1034 and a moving chamber 1033; the liquid storage chamber 1032 adopts a hollow cylindrical thin-walled structure with a closed bottom end, fixed On the impeller chamber cover 1041, the side wall is provided with a second air inlet A3 connected to the exhaust pipe of the heating chamber, a second air outlet A4 connected to the exhaust pipe of the liquid storage chamber, and a second air outlet A4 connected to the inlet of the liquid storage chamber from top to bottom. The first liquid inlet hole A5 of the liquid pipe and the second liquid discha...

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Abstract

The invention provides a rotary type thermoelectric conversion device of a circulation phase-change separation cavity. The device mainly solves the problem that in the prior art, the structure is complex; the device comprises a light-gathering surface (3) and a thermoelectric conversion unit (1) fixed at the focal point of the light-gathering surface through a central support column (2), wherein the thermoelectric conversion unit comprises an impeller cavity (104), a liquid storage cavity (103), a condensation cavity (102), a heating cavity (101), a generator (105) and a support frame (111), wherein with a liquid storage cavity exhaust pipeline (107) and the liquid storage liquid inlet pipeline (108 ) are connected between the condensation cavity (102) and the liquid storage cavity, an impeller cavity exhaust pipeline (110) is connected between the condensation cavity (102) and the impeller cavity, and a heating cavity exhaust pipeline (106) is connected between the condensation cavity(102) and the heating cavity; and a liquid storage cavity liquid discharging pipeline (109) is connected between the heating cavity and the liquid storage cavity, after a liquid working medium insidethe heating cavity absorbs heat to generate steam, the liquid working medium enters the impeller cavity to do work and drives the generator to generate electricity, and thermoelectric conversion is achieved. According to the device, the structure is simple, and the device can be used for a solar power generation system.

Description

technical field [0001] The invention belongs to the technical field of mechanical devices, and in particular relates to a thermoelectric conversion device, which can be used in a concentrating solar thermal power generation system. Background technique [0002] Due to the depletion of traditional non-renewable resources and the increasingly serious environmental pollution caused by the development and utilization of conventional energy, the development of clean and environmentally friendly renewable energy such as solar energy, geothermal energy, wind energy, and biomass energy has become the most urgent need for mankind. Among them, solar energy has great development value and broad application prospects because of its abundant resources, wide distribution, and low cost. [0003] Solar power generation mainly includes solar photovoltaic power generation and solar thermal power generation. Compared with photovoltaic power generation, the production and processing process of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F01D15/10
CPCY02E10/46F03G6/06F01D15/10
Inventor 郑飞芮喜陈梅郑涛季祥罗海波
Owner XIDIAN UNIV