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Pressure-bearing dual-cycle all-plastic water tank liner of heat exchanger

A heat exchanger, double-cycle technology, applied in heat exchanger types, indirect heat exchangers, fluid heaters, etc., can solve the problems of large heat loss, large circulation resistance of enamel liner, and high cost, and achieve low heat loss. , The effect of eliminating the automatic water level control system and long service life

Inactive Publication Date: 2011-03-23
侯国山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of large circulation resistance, high cost and large heat loss of stainless steel inner tank and enamel inner tank, the invention provides a pressure-bearing double-circulation all-plastic heat exchanger water tank inner tank

Method used

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  • Pressure-bearing dual-cycle all-plastic water tank liner of heat exchanger
  • Pressure-bearing dual-cycle all-plastic water tank liner of heat exchanger
  • Pressure-bearing dual-cycle all-plastic water tank liner of heat exchanger

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Embodiment Construction

[0021] figure 1 , figure 2 , image 3 The structure form of the water tank liner of a pressure-bearing double-circulation all-plastic heat exchanger is described together. The shell 20 is made of metal materials, or metal enamel materials, or metal composite polymer materials, or polymer materials, or modified polymer materials, or reinforced polymer materials. The shell 20 is welded with nuts 7, nuts 18, The hot water outlet pipe 19, the cold water inlet pipe 21; the nut 7 has an annular groove 5, the sealing cover 26 has an annular groove 3, and a waterproof rubber ring 4 is placed between the annular groove 3 and the annular groove 5; when the screw 6 is turned When tightening on the nut 7, the sealing cover 26 compresses the waterproof rubber ring 4 tightly. When the screw outside the circulation pipe 1 is tightened on the nut 8, the waterproof gasket 9 is compressed; when the screw outside the circulation pipe 25 is tightened on the nut 24, the waterproof gasket 23 is co...

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Abstract

The invention provides a pressure-bearing dual-cycle all-plastic water tank liner of a heat exchanger, which is composed of an end cover, a liner pipe and the heat exchanger. Two ends of multiple heat exchange tubes of the heat exchanger are communicated with two hollow spheres, and each hollow sphere is provided with an exhaust pipe and a circulating pipe which are communicated with the outside of the liner. In the invention, the heat exchanger is made from a high polymer material, and as the expansion and shrinkage coefficient of the high polymer material greatly differs from that of scale, scale is incapable of attaching on the heat exchange tubes and heat exchange spheres forever in a cold heat frequent alternation environment, thus higher heat transfer efficiency of the heat exchanger can be maintained. The multiple heat exchange tubes of the heat exchanger in the invention have big area surface, thus having small heat resistance, low heat exchange temperature, high heat exchange efficiency and small heat loss. In the invention, the liner is mainly made from the high polymer material and has the advantages of long service life, high reliability, simple production process, capability of realizing large-scale industrialized production and wide market prospect, a large quantity of metal raw materials can be saved, and the system production cost can be greatly reduced.

Description

Technical field [0001] The invention relates to a water tank liner, in particular to a pressure-bearing double-circulation all-plastic heat exchanger water tank liner. Background technique [0002] At present, the thermal insulation water tanks for solar water heaters and electric water heaters are mostly stainless steel inner tanks, or steel enamel inner tanks. In order to realize the dual-circulation function, the common method is to install spiral tube heat exchangers in the inner tank cavity. There are shortcomings of large circulation resistance and high cost. Some people make the above two kinds of inner tanks into a large inner tank and a small inner tank structure, and use a sandwich structure between the two inner tanks to replace the traditional spiral tube heat exchanger. It solves the problem of large circulation resistance, but the disadvantages of high cost and complex process are more prominent. Compared with the spiral tube heat exchanger, this sandwich structure ...

Claims

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Application Information

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IPC IPC(8): F28D7/00F28F21/06F24J2/46F24H9/00
CPCY02E10/40
Inventor 侯国山王平
Owner 侯国山
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