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Pressure-bearing double-cycle all-plastic water tank liner

A double-cycle, liner technology, applied in solar thermal power generation, fluid heaters, heating devices, etc., can solve the problems of short life, high price, poor quality of enamel liner, etc., achieve long life, save raw materials, save metal The effect of raw materials

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 poor quality, short life and high price of stainless steel liner and enamel liner, the invention provides a pressure-bearing double-circulation all-plastic water tank liner

Method used

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  • Pressure-bearing double-cycle all-plastic water tank liner
  • Pressure-bearing double-cycle all-plastic water tank liner
  • Pressure-bearing double-cycle all-plastic water tank liner

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Embodiment Construction

[0022] figure 1 , figure 2 , image 3 A structural form of the liner of a pressurized double-circulation all-plastic water tank is jointly described. The liner is made of polymer materials, or modified polymer materials, or reinforced polymers, or composite polymer materials. There is a reinforcement layer 14 in the wall of the end cover 1, and there are water inlet and outlet pipes 15 and annular grooves 17 on the end cover 1. There are pipes 2 and 13 on the annular groove of the cover 1; there is a reinforcement layer 10 in the wall of the end cover 9, the water inlet and outlet pipes 8 and the annular groove are arranged on the end cover 9, and there are pipes 7 and 11 on the annular groove of the end cover 9; The reinforcement layer in the end cover wall, the water inlet and outlet pipes on the end cover and the annular groove, and the pipes on the annular groove are integrally injection molded by injection molding process; A hole 5, the cross-sectional shape of the ho...

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Abstract

The invention provides a pressure-bearing double-cycle all-plastic water tank liner, which is composed of an end cover, a liner pipe and an auxiliary electric heater. An annular groove on the end cover is connected with the water tank to form an annular hole, and the annular hole is communicated with the holes in the liner pipe wall and is communicated with the outside via a pipe of the annular groove. Multiple holes in the liner pipe wall are connected in parallel to form a circular channel, the circular channel has a large total cross section, and the circular medium has very low flow resistance, thus laying a foundation for realizing the working state of heating by natural circulation. In the invention, the heat exchange surface is big enough, thus the heat resistance is small, the heat exchange temperature is low, the heat exchange surface is prevented from scaling, and higher heat transfer efficiency can be maintained forever. The liner in the invention is mainly made from a polymer material and has the advantages of long service life, high reliability, simple production process, capability of large-scale industrialized production and wide market prospect, a great quantity of metal raw materials are saved, and the system manufacturing cost is greatly lowered.

Description

Technical field [0001] The invention relates to an inner liner of an insulated water tank, in particular to an inner liner of a pressurized double-circulation all-plastic water tank. Background technique [0002] At present, most of the heat preservation water tanks used for solar water heaters and electric water heaters are made of stainless steel liner. Due to the problem of intergranular corrosion in the weld seam of the stainless steel liner, the short service life is an unsolved problem in the world. However, the strict requirement that the thermal expansion and contraction coefficients of steel and ceramic materials must be highly consistent makes it difficult to guarantee the quality of this inner tank. Moreover, the above two inner tanks must be added with a heat exchanger to realize the dual circulation function. In a word, the liners of the above two structures all have the disadvantages of short life, complicated process and high price. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46F24H9/00
CPCY02E10/40
Inventor 侯国山王平
Owner 侯国山
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