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Method for testing performance of renewable energy and gas powered multi-energy complementary heating system and test device used therein

A technology of renewable energy and heating systems, applied in measuring devices, testing of machines/structural components, instruments, etc., can solve problems such as single means, constraints on product standardization and standardized development, lack of energy-saving and environmental protection testing and evaluation indicators, etc.

Pending Publication Date: 2018-05-08
NORTH CHINA MUNICIPAL ENG DESIGN & RES INST
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Problems solved by technology

[0011] For the testing technology of the multi-energy complementary heating system with multiple heat sources, there are currently no general standards and specifications for reference in China. The lack of energy-saving and environmental protection testing and evaluation indicators, and the single means seriously restrict the standardization and standardized development of products.

Method used

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  • Method for testing performance of renewable energy and gas powered multi-energy complementary heating system and test device used therein
  • Method for testing performance of renewable energy and gas powered multi-energy complementary heating system and test device used therein
  • Method for testing performance of renewable energy and gas powered multi-energy complementary heating system and test device used therein

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Experimental program
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Effect test

Embodiment Construction

[0086] A performance test method for a multi-energy complementary heating system applied to renewable energy-gas co-supply is carried out according to the following steps:

[0087] 1. According to the connection mode and operation mode of each heating unit, set the temperature, pressure and flow test points, and realize real-time collection;

[0088] 2. Determine the operating mode and time of each heating unit according to its own parameters, application environment, and water requirements, and select system performance test points and test parameters in this operating mode;

[0089] 3. Test the heat supply and total heat supply of each heating unit according to the following formula and calculation method, namely:

[0090] Q T =Q S +Q H +Q G

[0091] Q S =c m ×ρ m ×q 1 ×t 1 ×(T 2 -T 1 )

[0092] Q H =c×ρ×q 2 ×t 2 ×(T 4 -T 3 )

[0093] Q G =c×ρ×[q 3 ×t 3 ×(T 11 -T 12 )+q 4 ×t 4 ×(T 13 -T 14 )]

[0094] In the formula:

[0095] Q T --Total heat s...

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Abstract

A method for testing the performance of a renewable energy and gas powered multi-energy complementary heating system includes the following steps: (1) setting the temperature, pressure and flow test points according to the connection mode and operation mode of each heating unit, and collecting operation state parameters in real time; (2) determining the performance test points and test parametersof a multi-energy complementary heating system suitable for different heating unit combinations and operation modes; (3) putting forward a calculation method of the heating quantity of the system; (4)putting forward user heat gain test indexes and a calculation method; (5) testing the primary energy utilization rate of the system; and (6) calculating each test index of the multi-energy complementary heating system based on the calculation steps and methods. Three types of heating units, namely, a solar energy collector, an air source heat pump and a gas heating water heater, are integrated. The technical indexes and calculation methods used for performance test and effect evaluation are put forward and defined. The performance test and technical evaluation of a multi-energy complementaryheating system based on any combination are realized.

Description

technical field [0001] The invention relates to a testing method of a heating system, in particular to a performance testing method of a renewable energy-gas combined supply multi-energy complementary heating system and a testing device used therein. Background technique [0002] As the country pays more and more attention to the use of renewable energy, various forms of energy applications have emerged, and one of the very important trends is "from single energy to multi-energy complementarity". The multi-energy combination can not only achieve the purpose of energy saving and emission reduction, but also make up for the shortcomings of different energy sources. Through the rational allocation of energy sources, the green and comfortable quality of life of residents can be improved. In recent years, contradictions between heating demand and heating status, environmental protection and air pollution, fossil energy depletion and renewable energy stability have emerged in my c...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01D21/02
CPCG01D21/02G01M99/002
Inventor 高文学王启王艳杨林赵自军刘彤
Owner NORTH CHINA MUNICIPAL ENG DESIGN & RES INST
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