High-efficient anti-scale heat exchanger and industrial waste heat recovery system

A heat exchanger and anti-scaling technology, applied in the types of heat exchangers, heat exchanger shells, indirect heat exchangers, etc., can solve the problem of easy scaling of plate heat exchangers, improve system economy, and simplify the system. Complexity, the effect of enhancing the turbulent state

Pending Publication Date: 2020-05-15
中煤科工(天津)清洁能源研究院有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a high-efficiency anti-scaling heat exchanger to solve the problem of easy fouling of plate heat exchangers

Method used

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  • High-efficient anti-scale heat exchanger and industrial waste heat recovery system
  • High-efficient anti-scale heat exchanger and industrial waste heat recovery system

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two ...

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Abstract

The invention belongs to the technical field of heat exchange, and discloses a high-efficient anti-scale heat exchanger and an industrial waste heat recovery system. The high-efficient anti-scale heatexchanger comprises a box body, a first stage water collector, one or more second stage water collectors, a first stage water separator, two stage water separators and coils; a water inlet and a water outlet are formed in the box body, the first stage water collector is arranged in the box body, one ends of the second stage water collectors are closed, the other ends of the second stage water collectors are in communication with the first stage water collector, the first stage water separator is arranged in the box body, each two stage water separator is arranged opposite to one two stage water collector, one ends of the two stage water separators are closed and the other ends of the two stage water separators are in communication with the first stage water separator, the coils are in spiral structures, one ends of the coils are in communication with the second stage water collectors, and the other ends of the coils are in communication with the opposite second stage water separators.Through the coils with spiral structures, a heat exchange area in unit volume is effectively increased, and the heat exchange efficiency is improved. In addition, the coils expand and contract slightly due to change of the medium temperature inside and outside tubes, scale formed on the outer surfaces of the coils falls off by itself, and accumulation of the scale is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of heat exchange, in particular to an efficient anti-scaling heat exchanger and an industrial waste heat recovery system. Background technique [0002] At present, industrial waste heat recovery systems are mostly used in areas such as building heating, bath water production, and antifreeze in special places. This system generally consists of two-stage plate heat exchangers, of which: the first-stage plate heat exchanger is used to return industrial waste heat to produce circulating water at about 60°C, and the circulating water is transported to the second-stage plate heat exchanger through a water pump for Heating tap water or demineralized water to produce bathing water at around 42°C or heating water at around 45°C, which is pumped to water tanks or water distributors for bathing, heating or antifreeze in special places. [0003] The water inlet and outlet of the plate heat exchanger used in the existin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/02F28F9/22F28F27/00F28F9/007F28F19/00
CPCF28D7/02F28F9/007F28F9/22F28F19/00F28F27/00
Inventor 杨允闫文瑞殷卫峰刘鹏坤李振杨帅周忠波孙宇李进于钊
Owner 中煤科工(天津)清洁能源研究院有限公司
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