Solar water heater

A solar water heater and water branch technology, which is applied to solar collectors, solar thermal energy, solar thermal power generation, etc., can solve the problems of thick water tank, reduced thermal efficiency, inability to combine, etc., and achieves low cost, high thermal efficiency and simple structure. Effect

Inactive Publication Date: 2010-12-08
黄永伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is also an integral balcony wall-mounted solar water heater. The vacuum tube is in-line, and the coil heat exchanger is used to get hot water in the water tank. The disadvantage is that the water tank is too thick and cannot be well integrated with the building. Taking hot water also greatly reduces the thermal efficiency, and there is also a hidden danger of water leakage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] like figure 1 and figure 2 As shown, the solar water heater includes a water inlet pipe 13, an outlet pipe 14, more than one vacuum pipe 6, and a header 2 filled with an insulating layer 3 in the header 2. The vacuum tube 6 is provided with an inner tank 5 with a water inlet branch pipe 1 and a water outlet branch pipe 4. The water inlet branch pipe 1 extends into the bottom of the inner tank 5, and the water outlet branch pipe 4 is arranged on the top of the inner tank 5. The inner tank 5 is connected in series with the water inlet pipe 13 and the outlet pipe. Between the water pipes 14. The liner 5 is made of stainless steel, with an inner diameter of 70 mm, spherical surfaces at both ends, and a selective absorbing coating on the outer surface. The top of the vacuum tube 6 is connected to the header 2, and the top of the liner 5 is welded with a pendant 15. The liner 5 is hung on the top of the header 2 by the pendant 15, and then the gravity is passed to the tail...

Embodiment 2

[0016] The difference from Example 1 is that the inner diameter of the liner 5 is 80 mm, the selective absorption coating is coated on the outer surface of the inner tube of the vacuum tube 6, and the high temperature resistant heat transfer oil is used between the inner surface of the inner tube of the vacuum tube 6 and the inner liner 5 heat transfer.

Embodiment 3

[0018] The difference from Example 2 is that the inner diameter of the inner tank 5 is 100 mm, an open corrugated elastic metal ring is arranged between the inner tube of the vacuum tube 6 and the inner tank 5, and a selective absorption coating is applied on the outer surface of the open corrugated elastic metal ring , the open corrugated metal elastic ring covered with selective absorption coating on the outer surface absorbs solar energy and converts it into heat energy, which heats the water in the inner tank.

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Abstract

The invention relates to a solar water heater which can be well combined with the building and has high heat efficiency and low cost. The solar water heater comprises a water inlet pipe, a water outlet pipe and more than one vacuum tube; inner tank with a water inlet branch pipe and a water outlet branch pipe are arranged in the vacuum tube, the water inlet branch pipe is stretched into the bottom part of the inner tank, the water outlet branch pipe is arranged at the top part of the inner inner tank, and the inner tanks are connected between the water inlet pipe and the water outlet pipe inseries. The inner tank is a pressurized inner tack, and the two ends surfaces are spherical surfaces so as to bear pressure. The inner tank is made of metal or enamel preferably. In the preferable proposal, the vacuum tube and the inner tank adopt big-caliber products and the inner diameter of the inner tank is more than 70mm preferably. The solar water heater can fully absorb solar energy and change the solar energy into heat energy which can heat the water in the inner tank; a storage water tank is not additionally arranged and the solar water heater has simple structure and can be perfectly combined with the building; in addition, the cost is low, the heat loss of the heater is low, the heat efficiency is high, and the hot water is pressed out by the pressure of the heater; the inner tanks are connected in series, when hot water is used, because the route for push water is long, the situation of hot and cold water mixture is not easily to generate.

Description

technical field [0001] The invention relates to a solar water heater, in particular to a balcony wall-mounted solar water heater. Background technique [0002] Most of the existing balcony wall-mounted solar water heaters are split-type in order to be able to combine with the building. Usually, the cost of the split-type is higher than that of the integral type, and the thermal efficiency is not as good as that of the integral type. There is also an integral balcony wall-mounted solar water heater. The vacuum tube is in-line, and the coil heat exchanger is used to get hot water in the water tank. The disadvantage is that the water tank is too thick and cannot be well integrated with the building. Taking hot water also greatly reduces thermal efficiency, and there is also a hidden danger of water leakage. Contents of the invention [0003] The invention provides a solar water heater, which can be well combined with buildings, has high thermal efficiency and low cost. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/05F24J2/24F24J2/48F24J2/30F24J2/46F24J2/51F24S10/30F24S10/40F24S10/70
CPCY02E10/44
Inventor 黄永伟黄奎林
Owner 黄永伟
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