Optimized model selection method of two-stage centrifuge unit configuration
A centrifugal unit and unit technology, which is applied in the field of air-conditioning design, can solve problems such as time-consuming and labor-intensive, and cannot meet project time expectations in time, and achieve the effects of optimizing configuration, shortening design and development time, and meeting customer needs
Active Publication Date: 2019-05-03
顿汉布什(中国)工业有限公司
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Problems solved by technology
However, there are many types of compressors and heat exchange containers, and iterative calculations are time-consuming and laborious, and cannot even meet the expected needs of project time in time.
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[0181] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0182] Such as figure 1 A schematic flowchart of an optimal selection method for the configuration of a double-stage centrifuge unit provided by an embodiment of the present invention is given. Such as figure 1 As shown, the selection method includes:
[0183] S1, according to the design working conditions, heat exchange container and compressor configuration, determine the design cooling capacity Q, the unit performance coefficient COP, and the air delivery volume V of the unit; select the most suitable compressor and The heat exchange container is configured to form a sample unit; the database refers to the collection of optional equipment formed by the enterprise by summarizing all available compressors and hea...
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The invention discloses an optimized model selection method of a two-stage centrifuge unit configuration. The method comprises the following steps that 1, the design refrigerating capacity Q, the unitcoefficient COP and the unit output V are determined according to the design working condition and the configuration of a heat exchange container and a compressor; 2, a sample unit is selected to obtain the refrigerating capacity Q1 of a sample unit, the performance coefficient COP 1 and the unit output quantity V1; and 3, the calculation logic to be executed is determined, and according to the determined calculation logic, under the configuration of the minimum heat exchange container and the compressor, the performance coefficient COP of the sample unit is not lower than the performance coefficient COP of the sample unit. According to the optimized model selection method for the two-stage centrifuge unit configuration, the configuration of the unit compressor and the heat exchange container can be quickly optimized, the optimal performance of the unit is calculated, the cost and the operation cost are reduced, and the unit design time is greatly shortened.
Description
technical field [0001] The invention relates to the field of air-conditioning design, in particular to an optimal type selection method for the configuration of a double-stage centrifugal unit. Background technique [0002] In order to promote comprehensive, coordinated and sustainable economic and social development, saving energy, improving energy utilization efficiency, and protecting and improving the environment have become the general trend. A large number of central air-conditioning systems with central cold source cooling are used in modern buildings. This system can provide a suitable hot and humid environment for people's work and life, but this system also consumes a lot of energy. It is estimated that the central air-conditioning The annual energy consumption is 40% to 60% of the building's annual energy consumption, while the energy consumption of the cold source accounts for 60% of the design power of the air conditioning system. Chillers are the main energy-c...
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IPC IPC(8): F24F11/62
Inventor 赵宝国王勇杜国良卢沙沙李文晶王发忠余江海
Owner 顿汉布什(中国)工业有限公司