Constant-pressure water tank antifreezing solar water heater

A technology for water heaters and pressurized water tanks, which is applied to solar thermal devices, solar thermal power generation, heating devices, etc., can solve the problems of complex antifreeze structure, high failure rate, and high cost, so as to reduce system failure rate and manufacturing cost. The effect of simple structure

Inactive Publication Date: 2007-01-03
韩绍良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the disadvantages of existing solar water heaters, such as complex antifreeze structure, high cost, and high failure rate, etc.

Method used

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  • Constant-pressure water tank antifreezing solar water heater
  • Constant-pressure water tank antifreezing solar water heater
  • Constant-pressure water tank antifreezing solar water heater

Examples

Experimental program
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Embodiment Construction

[0015] exist figure 1 In the illustrated embodiment:

[0016] The closed water tank is equipped with a float valve and a pressure limiting valve to control the liquid level pressure in the closed water tank and keep it constant. When the system is forced to circulate, the cold water returns to the water tank from the cold circulation pipe through the heat collector and the heat circulation pipe. After the circulation stops , the water in the heat collector automatically flows into the water tank through the cold circulation pipe due to its own weight. At this time, the gas in the heat preservation water tank is automatically replenished into the heat collector and the circulation pipe through the heat circulation pipe. It will not be damaged by freezing (the inside of the collector is full of gas). exist figure 2 In the illustrated embodiment:

[0017] The closed water tank is equipped with a float valve and a pressure limiting valve to control the pressure in the closed w...

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Abstract

This invention is a kind of constant pressure water tank freeze proof solar energy water heater. It is used in the field of solar energy water heater and liquid pressure reducing device. The sealing water tank is arranged with ball cock and pressure-limiting valve. The liquid surface pressure of sealing water tank is controlled constant. The gas needed by emptying thermal arresting device is provided.

Description

technical field [0001] The invention relates to a constant-pressure water tank antifreeze solar water heater, which is mainly used in the fields of solar water heaters and liquid decompression devices. Background technique [0002] At present, known existing solar water heater water tank has two kinds: [0003] One is an open type, using a float valve to control the liquid level in the water tank. The liquid level is connected to the atmosphere. The solar water heater system must be placed on the roof or higher than the water point. The water pressure at the water point is the liquid level in the water tank. If the drop of the water point is small, the pressure of the water outlet will be low, which will cause trouble for people to use; when the water point is higher than the position of the water tank, it cannot be used. [0004] The other is airtight. If the water inlet of the water tank is directly connected to the water pipe (the water pressure is generally 03Mpa-0.6Mpa...

Claims

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Application Information

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IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 韩绍良
Owner 韩绍良
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