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Boiler with middle water return spot

A technology of hot water boilers and boilers, applied in water heaters, lighting and heating equipment, fluid heaters, etc., can solve problems such as low-temperature corrosion, achieve the effects of reducing hazards, improving service life, and simple structure

Inactive Publication Date: 2012-07-11
沈阳锅炉制造有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Beneficial effects of the present invention: (1) The present invention solves the problem of low-temperature corrosion at the tail by changing the setting position of the return water point

Method used

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  • Boiler with middle water return spot
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Embodiment Construction

[0011] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0012] As shown in the figure, the present invention includes a hot water boiler 3, the tail 2 of the hot water boiler 3 is provided with a smoke outlet, and the end of the boiler return pipe is arranged at the rear arch 1 of the hot water boiler.

[0013] The present invention changes the setting position of the backwater point from the original flue gas outlet position of the hot water boiler 3 to the rear arch 1 position. Heat transfer through the hot water boiler 3 rear arch 1 high-temperature zone increases the temperature ...

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Abstract

A boiler with a middle water return spot belongs to the technical field of boiler equipment, which is not easy to be corrode and simple in structure and comprises a hot water boiler. A fume outlet is arranged at the tail of the hot water boiler. The boiler is structurally characterized in that the end of a boiler water return pipe is arranged at a rear arch of the hot water boiler.

Description

technical field [0001] The invention belongs to the technical field of boiler equipment, in particular to a boiler with a return point in the middle. Background technique [0002] A boiler is an energy conversion device. The energy input to the boiler is in the form of chemical energy in the fuel, electric energy, heat energy of high-temperature flue gas, etc. After conversion by the boiler, it outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. . Boilers play an important role in industrial production and people's daily life. The service life and maintenance of boilers have always been a concern of people. [0003] In the actual heating process of the forced circulation hot water boiler, the low-load operation often leads to low-temperature corrosion of the heating surface at the tail. Low-temperature corrosion is caused by the fact that the wall temperature of the heated metal pipe wall at the tail is lower than the dew po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/22
Inventor 王志新
Owner 沈阳锅炉制造有限责任公司