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Overflow-type heat exchanger of urban sewage source heat pump system

A technology of urban sewage and heat exchange devices, applied in heat recovery systems, heat pumps, heat exchangers, etc., can solve the problems of large floor area and complicated process flow, and achieve small floor space, simplified process flow, and land occupation small effect

Active Publication Date: 2010-11-24
HIT HARBIN INST OF TECH KINT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to solve the problem of complex process flow and large floor area caused by the existing heat exchange technology to prevent clogging, and to provide an over-flow heat exchange device for urban sewage source heat pump system

Method used

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  • Overflow-type heat exchanger of urban sewage source heat pump system
  • Overflow-type heat exchanger of urban sewage source heat pump system
  • Overflow-type heat exchanger of urban sewage source heat pump system

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specific Embodiment approach 1

[0015] Specific implementation mode one: combine Figure 1-Figure 4 To illustrate this embodiment, the urban sewage source heat pump system flow heat exchange device in this embodiment includes an outer shell 4, a left head 5, a right head 6, a sewage inlet 7, a sewage outlet 8, a medium inlet 9, and a medium outlet 10 , a plurality of head partitions 11 and a plurality of square tube rows or plywood layers 12, the plurality of square tube rows or plywood layers 12 are fixedly installed in the outer shell 4 from top to bottom to form a tube shell assembly, the square tube Inside the row or plywood layer 12 is a medium flow channel 1, between two adjacent square tube rows or plywood layers 12, between the top square tube row or plywood layer 12 and the inner wall of the upper end plate of the outer shell 4, and between the bottom end Between the square pipe row or plywood layer 12 and the inner wall of the lower end plate of the outer shell 4 is a sewage flow channel 2, and the...

specific Embodiment approach 2

[0016] Specific implementation mode two: combination Figure 1-Figure 3 To describe this embodiment, the height of the sewage channel 2 in this embodiment is 30mm-60mm, and the height of the medium channel 1 is 10mm-20mm. With such arrangement, the height of the medium flow channel is reduced by 50%-75%, and the height or volume of the flow-through heat exchange device is reduced by 25%-37.5%. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0017] Specific implementation mode three: combination figure 1 The present embodiment will be described. In this embodiment, the height of the sewage channel 2 is 40 mm, and the height of the medium channel 1 is 20 mm. With such arrangement, the height of the medium flow channel is reduced by 75%, and the height or volume of the flow-through heat exchange device is reduced by 37.5%. Other compositions and connections are the same as those in the second embodiment.

[0018] The operating principle is: sewage containing suspended solids and other impurities enters from the sewage inlet 7, flows through each sewage flow channel in series from the first sewage flow channel at the entrance, and flows out from the sewage outlet 8 of the sewage flow channel at the exit , see the route of sewage flow figure 1 The hollow arrow in ; the medium enters from the medium inlet 9, and the two or three or four parallel medium flow channels 1 from the inlet flow through the medium flow chann...

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Abstract

The invention discloses an overflow-type heat exchanger of an urban sewage source heat pump system, relating to a heat exchanger of an urban sewage source heat pump system. The invention solves the problems that the traditional heat exchanging technology has complex process flow and large occupying area in order to realize anti-plugging. The overflow-type heat exchanger comprises a first medium channel connecting chamber, a second medium channel connecting chamber and a plurality of third medium channel connecting chambers, wherein two to four medium channels at the upmost end of a pipe shell assembly are communicated in parallel through the first medium flow connecting chamber to form a first medium channel group, and the first medium channel connecting chamber is close to a medium outlet; and two to four medium channels at the lowest end of the pipe shell assembly are communicated in parallel through the second medium channel connecting chamber to form a second medium channel group, the second medium channel connecting chamber is close to a medium machine inlet, and the plurality of third medium channel connecting chambers are used for serially connecting the second medium channel group, the first medium channel group and other medium channels together. The invention is suitable for the urban sewage source heat pump system.

Description

technical field [0001] The invention relates to a heat exchange device for an urban sewage source heat pump system, in particular to a flow-through heat exchange device for an urban sewage source heat pump system, which belongs to the fields of building energy conservation and environmental protection. Background technique [0002] The use of heat pump technology to extract low-level thermal energy in sewage to provide heating and air conditioning for buildings, that is, the sewage source heat pump heating system, has huge energy-saving potential, and its energy-saving rate can reach more than 45%. According to the calculation and calculation of the existing sewage discharge in our country, the development and utilization of low-level thermal energy of sewage (according to the temperature drop of 4-5°C) can provide heating and air conditioning for 20% of urban buildings. one of the ways. [0003] Sewage source is a kind of water source. Compared with groundwater, its main f...

Claims

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Application Information

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IPC IPC(8): F28D1/06F28F9/02F28F9/22F25B30/06
CPCF28D21/0012F28D7/1607F28F9/22F28F9/02F25B30/06Y02B30/566Y02A20/30Y02B30/56
Inventor 吴荣华李金峰李伟
Owner HIT HARBIN INST OF TECH KINT TECH
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