Composite water treatment system based on near-field thermophotovoltaic waste heat utilization

A thermal photovoltaic and composite technology, applied in the field of water treatment, can solve problems such as low efficiency, and achieve the effects of high efficiency, low operating cost, and convenient pipeline installation.

Active Publication Date: 2022-08-09
HARBIN INST OF TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low efficiency in the technology of recovering waste heat for water treatment in the prior art, and propose a method based on near-field thermal photovoltaic waste heat utilization Composite water treatment system

Method used

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  • Composite water treatment system based on near-field thermophotovoltaic waste heat utilization
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  • Composite water treatment system based on near-field thermophotovoltaic waste heat utilization

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specific Embodiment approach 1

[0043] Specific implementation one: refer to figure 1 To specifically describe this embodiment, a composite water treatment system based on near-field thermal photovoltaic waste heat utilization described in this embodiment includes: a selective radiator 1, a photovoltaic cell panel 2, a cooling heat exchanger 3, and a controllable water pump 4. Initial pool 5, concentrated pool 6, radiation cooling chamber 17, purified water collection channel 11, condensation plate 8, flash chamber and evaporation chamber;

[0044] The evaporation chamber is provided with a solar interface evaporator 13 and a first water collecting tank 10;

[0045] A conical condenser 15 and a second water collecting tank 14 are arranged in the flash chamber;

[0046] the flash chamber is arranged below the evaporation chamber;

[0047] The selective radiator 1 absorbs the energy transferred from the heat source and releases radiation with energy higher than the forbidden band width of the photovoltaic ce...

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Abstract

The invention relates to a composite water treatment system based on near-field thermophotovoltaic waste heat utilization, and aims to solve the problem of low efficiency of the technology of recovering waste heat for water treatment in the prior art, and the purposes of photovoltaic cell heat dissipation and water resource acquisition are achieved at the same time by combining near-field thermophotovoltaic, radiation refrigeration, solar distillation, multi-stage flash evaporation and other technologies. The water to be treated in the application has dual effects in the circulation process: the photovoltaic cell is cooled, so that the cell can be maintained at a normal working temperature; and waste heat generated by the near-field thermophotovoltaic system is absorbed, purified water is obtained through the flash evaporation device, and secondary utilization of energy is achieved. According to the invention, solar energy is utilized to further improve the yield of purified water; the liquid flowing direction is simple, pipeline arrangement is convenient, actual installation of equipment is facilitated, and efficiency is high.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a composite water treatment system based on near-field thermal photovoltaic waste heat utilization. Background technique [0002] Thermal photovoltaic technology is an energy utilization technology that converts the radiant energy emitted by the radiator into electrical energy through photovoltaic cells. The limitation of Stefan-Boltzmann law greatly improves the system efficiency. However, since the radiation source temperature of near-field thermal photovoltaic systems is mostly above 1000K, photovoltaic cells are faced with huge heat dissipation pressure, which seriously limits the application of this technology in practice. [0003] The existing technology of recovering waste heat for water treatment has problems such as low overall efficiency, high operating cost, and complex equipment structure, which limit its development and application in actual production. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/16C02F1/06C02F1/14
CPCC02F1/16C02F1/06C02F1/14Y02E10/50Y02A20/212
Inventor 何明键齐宏王博文任亚涛高包海
Owner HARBIN INST OF TECH
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