Liner wall heat exchange type water tank

Abstract

The invention specifically relates to a liner wall heat exchange type water tank, comprising a housing. A liner is arranged in the housing and is composed of a middle-section barrel and seal heads on two ends, and an insulating layer is arranged between the liner and the housing; a corresponding arc-shaped groove is arranged on the liner and the seal heads according to the diameter of the working medium coil, and the working medium coil is tightly stuck, coiled and fixed in the arc-shaped groove. The invention has the beneficial effects: 1. the invention solves the problems that the heat exchange area of the liner-external coil is small, and medium energy can not be sufficiently adsorbed; 2. metal heat conduction solder is filled between the groove and the working medium coil so as to form an intermetallic seamless heat conduction layer, which enlarges the heating coefficient; 3. the working medium coil is covered by the intermetallic seamless heat conduction layer so as to form a whole with the liner to improve heat exchange coefficient and effectively balance the medium temperature; and 4. due to increase of heat transfer coefficient, the enlargement of the heat exchange area and the enhancement of the heat exchange ratio, cost is effectively saved, and working condition is stabilized.

Description

Technical field [0001] The invention specifically relates to a bladder wall heat exchange type water tank. Background technique [0002] At present, the water tanks of heat pump water heaters on the market basically adopt the following three forms of heat exchange methods: [0003] 1. Inner coil type hot water exchange tank: The water tank puts the heat exchange coil in the inner tank, and the heat exchange coil directly contacts the water. The water tank has the advantages of low cost, high heat exchange efficiency, and low water mixing. However, after long-term operation, the heat exchange coil is prone to scale and corrosion due to contact with water, resulting in a decrease in heat exchange efficiency and even corrosion perforation. Once the heat exchange coil enters water, it will cause a serious problem of damage to the heat pump host. At the same time, once the heat exchange medium penetrates into the water tank, it will also pollute the water in the water tank and cause th...

AI Technical Summary

Problems solved by technology

The water tank has the advantages of high heat exchange efficiency and replaceable heat exchange parts. However, the temperature of the heat exchange sleeve or plate heat exchanger is relatively high after contact with water, which is easy to form scale and affect the heat exchange efficiency. The power for water operation has the disadvantages of high cost, and there are also disadvantages such as serious water mixing in the water tank

[0005]3. External coil heat exchange tank: the water tank puts the heat exchange coil outside the water tank liner, and directly winds the coil on the middle section of the liner. The water tank has The heat exchange coil has the advantages of no contact with water, no corrosion, and no structure, but has the disadvantages of low heat transfer coefficient, small heat exchange area, and high production cost

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