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Device for recovering waste water and waste heat

A waste heat recovery and waste water technology, applied in the direction of indirect heat exchangers, lighting and heating equipment, etc., can solve the problems of losing the effect of cold and heat exchange, depositing dirt in waste water and hot water channels, reducing heat exchange efficiency, etc., to reduce production costs , easy to remove dirt, wide practical effect

Inactive Publication Date: 2006-11-15
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although this device can play a certain role, it has the following problems: first, due to the small temperature difference between cold and hot water, the heat exchange efficiency is low, the temperature rise of cold water is limited, and the heat recovery efficiency is not high; second, waste heat The water channel may deposit dirt, which reduces the heat exchange efficiency; thirdly, the structure of the device is complex, it is difficult to manufacture, and it cannot or is not easy to disassemble, resulting in the inability to remove the accumulated dirt inside and losing the effect of cold and heat exchange

Method used

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  • Device for recovering waste water and waste heat
  • Device for recovering waste water and waste heat

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Embodiment Construction

[0011] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0012] The present invention is a wastewater waste heat recovery device, figure 1 As shown, it is fastened up and down by the cold water heat exchange cylinder 11 and the hot water heat exchange cylinder 7, and is fixed as a vertical water storage tank by bolts. The junction of the cold water heat exchange cylinder 11 and the hot water heat exchange cylinder 7 is provided with a partition 10 that separates and seals them, and a circular baffle plate 8 is installed inside the cold water heat exchange cylinder 11 and the hot water heat exchange cylinder 7. A plurality of through holes are evenly opened on the shaped baffle plate 8 and the partition plate 10, and a plurality of gravity heat pipes 9 matched therewith are arranged in the through holes, and the plurality of gravity heat pipes 9 are evenly distributed and fixed on the sealing partition plate 10. ...

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Abstract

The present invention relates to a kind of waste water after-heat recoverer. It includes the following several main portions: vertical water storage tank formed from cold water heat exchange cylinder and hot water heat exchange cylinder, several gravity heat pipes, sealed partition board, several segmental baffle plates, exhaust valve, blow-off valve, cold water inlet, preheated water outlet, waste hot water inlet, waste hot water outlet and heat-conducting pipe. Said invention also provides the connection mode of all the above-mentioned portions and the concrete working principle of said waste water after-heat recover.

Description

technical field [0001] The invention relates to a waste water waste heat recovery device, which is especially suitable for heat recovery of waste hot water discharged from public bathrooms, and is also suitable for occasions where heat recovery of waste hot water is required in industrial production. Background technique [0002] In industrial production, the waste hot water discharged by the production process is generally higher than the temperature of the cold water to be heated; the temperature of the waste hot water discharged by schools, hospitals, hotels, large factories and mines and other enterprises and public bathrooms in residential quarters is also higher. Higher than the cold water to be heated used. If these waste hot waters are directly drained, a large amount of heat carried by them will be wasted in vain. And heating cold water consumes a lot of energy. If the waste heat of the discharged waste hot water is used to preheat...

Claims

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Application Information

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IPC IPC(8): F28D15/00
CPCF28D15/0275
Inventor 张建功黄炜黄建恩张东海高涛
Owner CHINA UNIV OF MINING & TECH
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