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Anti-blocking antiscaling open-channel heat exchange trough water source heat pump unit

A technology of water source heat pump unit and heat exchange tank, which is applied in heat pumps, lighting and heating equipment, refrigerators, etc., can solve the problems of low operating efficiency, large investment, and large operating energy consumption.

Active Publication Date: 2007-11-14
HIT HARBIN INST OF TECH KINT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of large investment, low operating efficiency, high energy consumption, and difficulty in solving blockage and dirt when the existing water source heat pump unit utilizes unclean water sources such as urban sewage or surface water, and provides a preventive Open channel heat exchange tank water source heat pump unit for blocking and anti-scaling

Method used

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  • Anti-blocking antiscaling open-channel heat exchange trough water source heat pump unit

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specific Embodiment approach 1

[0008] Specific embodiment one: (see Fig. 1~Fig. 5) this embodiment is made up of compressor 11, condenser 12, drier filter 13, throttling device 14 and evaporator 15, and evaporator 15 is imported by sewage or surface water 1 , sewage or surface water outlet 2, heat exchange tube 3, flow channel bottom 4, refrigerant connecting pipe 5, shell 6, left head 7, right head 8, spacer 9, water retaining plate 10 and connecting part 16 The sewage or surface water inlet 1 is connected to the upper part of the housing 6, the sewage or surface water outlet 2 is connected to the bottom of the housing 6, and a plurality of heat exchange tubes 3 are connected in parallel to the bottom surface 4 of the flow channel, and are connected to the bottom surface 4 of the flow channel. There is a gap, the two ends of the plurality of heat exchange tubes 3 communicate with the two refrigerant connecting pipes 5 respectively, and the connecting part 16 is connected with the refrigerant connecting pipe...

specific Embodiment approach 2

[0009] Embodiment 2: (see FIG. 1 and FIG. 2 ) The slope n of the heat exchange tank 17 in the evaporator 15 of this embodiment is 0.5%-6%. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0010] Embodiment 3: (see FIG. 1 and FIG. 2 ) The slope n of the heat exchange tank 17 in the evaporator 15 of this embodiment is 1%. Others are the same as in the second embodiment.

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Abstract

Antiscale and nullah heat water source heat pump unit, which involves a water source heat pump unit. The purpose of this invention is to solve the existing water source heat pump unit in the using of municipal sewage or surface water such unclean water, the large amount of investment, low operation efficiency, energy consumption, as well as the plug and dirt difficult issues. The invention of a number of tube (3) parallel connected to the base flow and the base flow (4) maintaining a gap, a number of tube (3) ends with the two refrigerant even ( 5) connectivity. All of the water in the channel or heat exchanger tank are of water flow, water tank wall coverage on the tube heat exchanger flow velocities greater flow again from top to bottom, the impurities and dirt-China and carrying a role; according to channel flows, heat transfer wall velocity, Renault several criteria, therefore sewage or surface water side of the convective heat transfer coefficient, higher efficiency unit; not alone prevent anti-scaling technology or equipment, water pumps small power consumption, the system reduces power consumption.

Description

technical field [0001] The invention relates to a water source heat pump unit. Background technique [0002] Unclean water sources such as urban sewage or surface water (rivers, lakes, and sea water) are a huge low-temperature, low-level thermal energy resource. Using water source heat pump technology to extract heat or cold energy from it is used for building heating and air conditioning, which has important energy-saving and environmental protection value, can alleviate the energy consumption and environmental pollution of HVAC, and the main equipment is the water source heat pump unit. [0003] Existing water source heat pump units are composed of compressors, condensers, dry filters, expansion valves and evaporators connected by pipelines. The evaporators do not have the ability to prevent blockage and scale, and are suitable for clean water sources. Such as groundwater. [0004] However, non-clean water sources such as urban sewage or surface water (rivers, lakes and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B39/02F25B30/02F28F1/06
Inventor 吴荣华孙德兴
Owner HIT HARBIN INST OF TECH KINT TECH
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