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Variable-speed water pump operation adjusting method based on collaborative optimization strategy

A technology of collaborative optimization and adjustment method, applied in the direction of mechanical equipment, etc., can solve the problems of difficult to achieve collaborative operation and high energy consumption of water pump operation, and achieve the effect of reducing water pump energy consumption, saving operating costs, and improving application prospects.

Inactive Publication Date: 2020-09-04
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

[0005] In view of the current situation that the terminal cooling / heating equipment can be independently regulated, it is difficult to achieve coordinated operation between the operation of the centralized variable-speed water pump and the random adjustment of the decentralized terminal in the district cooling / heating system, and the high energy consumption of the pump operation

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  • Variable-speed water pump operation adjusting method based on collaborative optimization strategy
  • Variable-speed water pump operation adjusting method based on collaborative optimization strategy
  • Variable-speed water pump operation adjusting method based on collaborative optimization strategy

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0039] Such as figure 1 As shown, a method for adjusting the operation of a variable-speed water pump based on a collaborative optimization strategy of the present invention comprises the following steps:

[0040] S1. Predict the random load demand of each terminal equipment of the district cooling / heating system. The specific steps are as follows:

[0041] 1a) Determine the characteristic parameters of the behavior of random people in the room through field research;

[0042] 1b) Based on the stochastic occupant behavior method (SOB method), use DeST software to simulate the hourly load demand of each space in the building;

[0043] 1c) Accumulate the hourly load demand simulation value of the space borne by each terminal equipment, and calculate the hourly load demand Q of each terminal equipment req (τ).

[0044] S2, give the mathematica...

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Abstract

The invention discloses a variable-speed water pump operation adjusting method based on a collaborative optimization strategy. The method comprises steps as follows: predicating random load demands ofend equipment of a district cooling / heating supply system; performing mathematical description of operation adjusting characteristics of the district cooling / heating supply system; establishing a variable-speed water pump collaborative operation optimization mathematical model; carrying out solving of the variable-speed water pump collaborative operation optimization mathematical model; pre-conditioning a variable-speed water pump hour by hour, and realizing operation optimization of the centralized variable-speed water pump of the district cooling / heating supply system with independently regulatable terminal cooling / heating supply equipment. According to the variable-speed water pump operation adjusting method based on the collaborative optimization strategy, demands of actual engineering can be met well, water pump energy consumption of the district cooling / heating supply system is effectively reduced, operation expense is saved, operation is convenient for administrative staff, andthe method has quite good application prospects.

Description

technical field [0001] The invention belongs to the technical field of regional cooling / heating system engineering, and in particular relates to a method for adjusting the operation of a variable-speed water pump based on a collaborative optimization strategy. Background technique [0002] The district heating / cooling system is mainly composed of centralized cold / heat sources, circulating water pumps, transmission and distribution pipe networks, and terminal cooling / heating equipment. The circulating water pump transports the cold / hot water from the centralized cold / heat source to each terminal equipment through the transmission and distribution network to provide the required cooling and heating load requirements for the building. In order to facilitate management and save energy consumption in transmission and distribution, the circulating water pump of the district heating / cooling system usually adopts a centralized variable-speed water pump. When the user's cooling / heat...

Claims

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Application Information

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IPC IPC(8): F24F11/85F24F11/64
CPCF24F11/64F24F11/85
Inventor 王智伟王雨
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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