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Heat pipe solar water heater with convergent-divergent nozzle

A solar water heater, shrinking and gradually expanding technology, applied in the direction of solar collectors, solar thermal energy, solar thermal power generation, etc., can solve the problems of small pipe diameter, high price, scale and copper rust, etc., and achieve fast start-up, low cost, and low cost low effect

Active Publication Date: 2017-01-04
TIANJIN CHENGJIAN UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the flat-panel solar water heater is easy to install, the diameter of the pipe is small, the resistance is large, and most of them are made of aluminum alloy pipes, which are easy to corrode when the water quality cannot be guaranteed; In hot water above ℃), it is easy to generate scale and copper rust

Method used

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  • Heat pipe solar water heater with convergent-divergent nozzle
  • Heat pipe solar water heater with convergent-divergent nozzle
  • Heat pipe solar water heater with convergent-divergent nozzle

Examples

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Such as figure 1 Shown, a kind of heat pipe solar water heater of shrinking and diverging nozzle 4 type, comprises solar water tank 5, support 6 and heat collector 13, solar water tank 5 bottoms connect heat collector 13, and heat collector 13 is formed by heat collecting pipe 1, open Insulation box 7, glass cover plate 8, heat absorbing plate 9, phase change heat storage layer 10, insulation layer 11, fixed seat 12 are formed.

[0034] Such as figure 2 As shown, a plurality of heat collecting tubes 1 are horizontally arranged in the open incubator 7, such as image 3 As shown, the heat collecting tube 1 is composed of a large heat pipe 2 and seven oscillating heat pipes 3, the upper end of the large heat pipe 2 is connected with the solar water tank 5 and is covered with a rubber sealing ring, as Figure 8 As shown, the lower end of the larg...

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Abstract

The invention discloses a heat pipe solar water heater with a convergent-divergent nozzle. The heat pipe solar water heater comprises a solar water tank (5), a support (6) and a heat collector (13). The lower portion of the solar water tank (5) is connected with the heat collector (13), the heat collector (13) comprises heat-collecting tubes (1), an open warm-keeping box (7), a glass cover plate (8), heat-absorbing plates (9), a phase change heat storage layer (10) and a warm-keeping layer (11), and the multiple heat-collecting tubes (1) are transversely arranged inside the open warm-keeping box (7). The adopted hollow glass cover plate has the advantages of preventing heat conduction, convection heat exchange and long-wave radiation; the heat tubes have the characteristic of one-way heat transfer, so that heat will not be transferred in the opposite direction of gravity, and the heat loss of the solar water heater is greatly restrained on cloudy or rainy days.

Description

technical field [0001] The invention relates to the technical field of solar water heater equipment, in particular to a heat pipe solar water heater with shrinking and diverging nozzles. Background technique [0002] Solar water heater is a device that converts solar energy into heating, and heats water from low temperature to high temperature, so as to meet the hot water use in people's life and production. The vacuum tube solar water heater is composed of heat collecting tubes, water storage tanks and brackets and other related accessories. The conversion of solar energy mainly depends on the heat collecting tubes. water. [0003] The vacuum tube solar water heater is composed of several vacuum tubes, and there are gaps between the tubes. When exposed to sunlight, part of the solar energy is not received by the heat collector, and the utilization rate of solar energy is not high. [0004] In order to reduce heat loss, vacuum tube solar water heaters are covered with vacu...

Claims

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Application Information

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IPC IPC(8): F24J2/32F24J2/24F24S10/95F24S10/70
CPCY02E10/44F24S10/70F24S10/90
Inventor 姚万祥盛景四张春晓张伟李宪莉
Owner TIANJIN CHENGJIAN UNIV
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