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Thermal response testing method and device of dual-condition rock and soil mass

A thermal response test, rock and soil technology, applied in the direction of material thermal development, etc., can solve the problem that the details of the test are not described in sufficient detail, and achieve the effect of superior performance

Inactive Publication Date: 2011-09-07
南京丰盛新能源科技股份有限公司 +1
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Problems solved by technology

[0004]The "constant temperature method" method is to keep the inlet water temperature constant during the test, try to keep the inlet temperature of the circuit constant, and then obtain the circuit temperature from the measured flow rate and return water temperature. The amount of heat exchange in the test has not been described in sufficient detail for the details of the test

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  • Thermal response testing method and device of dual-condition rock and soil mass
  • Thermal response testing method and device of dual-condition rock and soil mass
  • Thermal response testing method and device of dual-condition rock and soil mass

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Embodiment Construction

[0016] Embodiments of the method and device of the present invention will be described below with reference to the accompanying drawings.

[0017] The test instrument of accompanying drawing is the device of the present invention, comprises a small water-cooled chiller or ground source heat pump unit 1, a hot water side circulating water pump 2, a cold water side circulating water pump 3, a first temperature sensor 4, a second Two temperature sensors 5, the third temperature sensor 6, the fourth temperature sensor 7, the first flow sensor 8, the second flow sensor 9, the first pressure sensor 10, the second pressure sensor 11, the third pressure sensor 12, the fourth pressure sensor Sensor 13 , data transmission line 14 , data acquisition module 15 and flow control module 16 .

[0018] During the test, at least 2 test holes need to be drilled, which are used to test the heat release condition and the heat extraction condition respectively. The test lower pipe is connected with...

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Abstract

The invention discloses a thermal response testing method and device of dual-condition rock and soil mass, belonging to a new method and device for thermal response test of rock and soil in a ground source heat pump. Cold water and hot water prepared at the condensing side and evaporating side of a water cooling chiller or a ground source heat pump unit are used for respectively connecting to test holes for releasing heat and absorbing heat in test, so that the rock and soil mass thermal response conditions under two conditions are simulated and the heat characteristic parameters of the rock and soil mass are obtained synchronously. The method and device disclosed by the invention have the beneficial effects that the tests for two conditions are completed conveniently; time and labours are saved; and the obtained parameters under the two conditions have actual guiding significances in designing ground source pump system.

Description

technical field [0001] The invention discloses a dual-working-condition rock-soil thermal response test method and a test device, and belongs to an improvement of a rock-soil thermal response test method applied to a ground-source heat pump system. Background technique [0002] "Engineering Technical Specifications for Ground Source Heat Pump System GB50366-2005" (2009 Edition) added Appendix C to the thermal response test of rock and soil, clarified the relevant requirements for the thermal response test of rock and soil for ground source heat pump systems, and recommended the "constant heat flow method" As a test implementation method. [0003] The "constant heat flow method" is to conduct a thermal response test by applying a certain heating power to the rock and soil mass through an electric heater. The theoretical basis of this method is the linear heat source model, whose physical meaning is clear and easy to understand. The temperature at the inlet and outlet of the...

Claims

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Application Information

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IPC IPC(8): G01N25/20
Inventor 郁松涛马宏权李敏茅伟东李跃张志鹏
Owner 南京丰盛新能源科技股份有限公司
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