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Controllable multi-factor ground source heat pump test platform and method thereof

A ground source heat pump and test platform technology, applied in the direction of material thermal development, can solve the problems of high control and test platform construction cost, difficult soil temperature field, etc., and achieve the effect of strong operability

Pending Publication Date: 2021-01-15
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0007] The invention provides a controllable multi-factor ground source heat pump test platform and its method, which are used to solve the problems that the existing ground source heat pump vertical drilling test platform is difficult to control the temperature field of the soil layer and the cost of building the test platform is high.

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  • Controllable multi-factor ground source heat pump test platform and method thereof
  • Controllable multi-factor ground source heat pump test platform and method thereof
  • Controllable multi-factor ground source heat pump test platform and method thereof

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Embodiment Construction

[0032] Such as figure 1 and figure 2 As shown, it includes a thermal response tester 1, a control platform 2, a horizontal heat preservation tank 3, a heating device 4, a refrigeration device 5, an acoustic emission sensor 6, and a platinum resistance temperature sensor 7; wherein the water inlet pipe 8 of the thermal response tester 1 And the return pipe 9 is connected with the coaxial casing heat exchanger to form a closed circuit. The circulating water pump 14 in the above-mentioned thermal response tester 1 drives the liquid circulation in the pipeline, and the electric heater 12 is used as a heat source to heat the liquid, and the heat input to the soil is controlled by the controller to ensure that the input heat is constant. The above-mentioned horizontal thermal insulation tank 3 is equidistantly divided into several sections, and different types of backfill soil can be replaced in each section, which is convenient for studying the influence of different types of soi...

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Abstract

The invention discloses a controllable multi-factor ground source heat pump test platform and a method thereof. The test platform comprises a thermal response tester, a control platform, a horizontalheat preservation tank, a heating device, a refrigerating device, an acoustic emission sensor and a temperature sensor. The test method comprises the following steps: dividing the horizontal heat preservation tank in which a coaxial double-pipe heat exchanger is buried into a plurality of sections, and arranging the heating device and the refrigerating device in the related sections to simulate the environmental temperatures of different stratums in engineering actual conditions. The test platform is easy to build, can control a soil temperature field, and simulates the influence of various factors on the heat exchange efficiency of the buried pipe heat exchanger; the test can be carried out indoors, and the operability is high.

Description

technical field [0001] The invention belongs to the technical field of ground source heat pump systems, in particular to a controllable multi-factor ground source heat pump test platform and its method Background technique [0002] With the increasing shortage of energy consumption and the increasingly serious environmental pollution caused by mineral chemical energy, the ground source heat pump technology with low energy consumption and green environmental protection has entered the field of vision of practical engineering applications. As a high-efficiency energy-saving air-conditioning system that uses underground shallow heat resources (including groundwater, surface water, and soil sources) to provide both cooling and heating, the ground source heat pump realizes low-level heat transfer to high-level energy by outputting and inputting a small amount of low-grade energy. Thermal energy transfer. The existing ground source heat pump test platforms at home and abroad are ...

Claims

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Application Information

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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 姚直书方玉黄献文刁奶毫纪文杰张平穆克汉王晓云孟祥前
Owner ANHUI UNIV OF SCI & TECH
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