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Automatic discharge-clean-drain-solar water heater

A technology for solar water heaters and automatic sewage discharge, applied in solar collectors, solar thermal energy, solar thermal power generation, etc., can solve problems affecting normal use, easy freezing of upper and lower water pipes, and reduced heat conversion efficiency

Inactive Publication Date: 2008-03-05
山东奥伦特太阳能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there are several defects in these vacuum tube solar water heaters: 1) the upper and lower water pipes are easy to freeze in winter, especially in northern cities, when the temperature is lower than minus ten degrees, the upper and lower water pipes cause the entire solar water heater to be unusable, and even the water pipes are frozen.
2) After long-term use, there will be scale or other dirt on the water tank or vacuum tube, which will reduce the heat conversion efficiency and affect normal use

Method used

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Embodiment Construction

[0015] As shown in Fig. 1 and Fig. 2, the automatic sewage cleaning and emptying solar water heater of the present invention comprises a water tank 1, a solar vacuum tube 2 inserted in the water tank 1, and the solar vacuum tube 2 preferably selects an all-glass double vacuum tube, because this There is no water in the vacuum tube, which avoids the trouble caused by dirt entering the vacuum tube. The top of the water tank 1 is connected with the upper and lower water pipes 3 and the emptying pipe 4. A U-shaped horizontal pipe 5 is horizontally arranged in the water tank 1, and its ends are closed and fixed on the side wall of the water tank 1. The two ends of the U-shaped pipe are respectively located Above and below the solar vacuum tube 2, there are water spray holes on the side wall of the horizontal tube 5, the opening of the water spray hole faces the solar vacuum tube 2, the horizontal tube 5 communicates with the upper and lower water pipes 3, and the upper and lower wat...

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Abstract

This invention refers to a solar energy water heater with automatic dirt cleaning and emptying function, which contains water tank, solar energy vacuum pipe inserted in water tank, water supply and discharge pipe, emptying pipe, said water tank having horizontal pipe with water spraying holes towards the solar energy vacuum pipe, horizontal pipe connected with water supply and discharge pipe which connected with emptying valve through three-way valve.

Description

technical field [0001] The invention relates to a solar water heater, in particular to an automatic blowdown cleaning and emptying solar water heater. Background technique [0002] Solar water heaters can be divided into two categories: sun-dried and vacuum-tube-type. Sun-dried solar water heaters have been gradually replaced by vacuum-tube solar water heaters due to their low thermal efficiency. The water in the water tank of an ordinary vacuum tube solar water heater communicates with the water in the vacuum tube, absorbs heat through the vacuum tube, and heats the water in the water tank through water circulation. There is also a solar water heater using all-glass double vacuum tubes. The two ends of the vacuum tubes are sealed, and there is no water in it, but a heat medium is installed. In the water tank, the heat absorbing end absorbs heat and transfers it to the exothermic end through a heat medium to heat the water around the exothermic end. But there are several d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/46F24J2/05F24S10/40
CPCY02E10/44
Inventor 刘朋华肖子传
Owner 山东奥伦特太阳能科技有限公司
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