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Sewage Heat Energy Recovery System

A heat energy recovery and sewage technology, applied in water/sewage treatment, water/sludge/sewage treatment, filtration loop, etc., can solve the problems of heat exchanger blockage, labor consumption, pollution, etc. The effect of improving heat exchange efficiency and reducing production costs

Inactive Publication Date: 2012-02-01
仁新节能环保设备(上海)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the waste heat in sewage, such as the hot sewage discharged from schools, government agencies, hotels, bathing places and other places with central heating, the existing sewage heat recovery system often adopts simple filtration of sewage to remove most of the coarse impurities before entering When the heat exchange equipment performs heat exchange, there are still large particles of impurities and suspended impurities in the sewage, which will cause blockage, pollution and wear of the heat exchanger. In order to ensure the normal operation of the heat exchanger, regular cleaning of the filter, heat exchanger and Pipelines not only consume a lot of manpower, but also bear the losses caused by shutdowns caused by cleaning. Cleaning filters, heat exchangers and other pipelines also requires a lot of clean water, resulting in waste of water resources and secondary pollution.
In addition, technical issues such as confirmation of operation performance and energy saving of the whole set of sewage heat recovery system are currently being studied

Method used

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  • Sewage Heat Energy Recovery System
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Embodiment Construction

[0016] The substantive features of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] figure 1 The flow direction pointed by the middle arrow is the water flow direction of the whole system. The high-temperature sewage is first collected centrally and then enters the filter. The filter is two parallel left particle filter 20 and right particle filter 20a of the same specification and type. , the whole cylinder is in the shape of a cylinder, the top of the filter is provided with a left sewage inlet 21 and a right sewage inlet 21a, and the bottom is provided with a left filtered water outlet 22 and a right filtered water outlet 22a; above the sewage inlets of the two filters, there is a Bridge valve A, the bridge valve includes two groups of side-by-side group valves, and each row of group valves includes two single valves in series, which are respectively upper left valve 24, lower left valve 2...

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Abstract

The invention relates to a sewage heat recovery system, which belongs to the field of industrial sewage heat recovery. The heat recovery system commonly used in China has low heat transfer efficiency, the filter cannot be automatically backwashed and a large amount of clean water is required, the heat exchanger is clogged and polluted seriously, and the heat cannot be displayed and accumulated online. The invention includes automatic switching operation and backwashing granular filtering device, hot and cold water heat exchange heat exchanger, automatic switching operation and backwashing system of filter and heat accumulation confirmation device of the whole heat energy recovery system. The heat energy recovery system provided by the invention can not only realize the automatic operation of the filter and the control of the backwashing process, but also improve the filtration of sewage impurities and heat exchange efficiency, and can also provide the functions of cumulative calculation and online display of heat, and realize the control of system performance. real-time monitoring.

Description

【Technical field】 [0001] The invention relates to a thermal energy recovery system for hot sewage, which belongs to the field of sewage heat recovery. 【Background technique】 [0002] Waste heat recovery can produce economic and social benefits, and plays an important role in energy saving and environmental protection. Domestic waste heat recovery generally adopts heat exchange equipment including heat exchangers. For the waste heat in sewage, such as the hot sewage discharged from schools, government agencies, hotels, bathing places and other places with central heating, the existing sewage heat recovery system often adopts simple filtration of sewage to remove most of the coarse impurities before entering When the heat exchange equipment performs heat exchange, there are still large particles of impurities and suspended impurities in the sewage, which will cause blockage, pollution and wear of the heat exchanger. In order to ensure the normal operation of the heat exchange...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/00B01D36/00F28D9/00
Inventor 胡亚春甄跃进
Owner 仁新节能环保设备(上海)有限公司
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