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Integral optimization technology of circulating cooling water system

A circulating cooling water, overall optimization technology, applied in the industrial field, can solve the problems of increasing system water supply pressure and flow, high system energy consumption, energy waste, etc., and achieve the effect of energy saving

Active Publication Date: 2014-05-14
西安格睿能源动力科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to many and complex influencing factors, it is currently impossible to accurately predict the optimal water consumption of water equipment before the circulating water system is officially put into operation. waste

Method used

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  • Integral optimization technology of circulating cooling water system
  • Integral optimization technology of circulating cooling water system
  • Integral optimization technology of circulating cooling water system

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Embodiment Construction

[0028] Embodiment of the present invention is described below in conjunction with accompanying drawing, embodiment does not constitute limitation of the present invention:

[0029] figure 1 It is the situation that the system runs for one overhaul period, and the curve is the minimum water pump head required by the system with the change of time and ambient temperature. h 3 It is the maximum value of the minimum head of the water pump required by the system during an overhaul period. Theoretically, the design head of the water pump only needs to be greater than H 3 That is, causing wasteful energy consumption of the system. However, the designer lacks the basis for design calculation and cannot find out H 3 , can only continue to use the past design results, and even increase the H 1 , resulting in a larger system margin.

[0030] Through specific calculation and analysis of the operating conditions of each heat exchanger, the water demand under the limit conditions of e...

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Abstract

The invention relates to the field of industries, in particular to an integral optimization technology of a circulating cooling water system. The integral optimization technology includes the following steps that heat exchanging efficiency of a heat exchanger itself is obtained; the cooling water temperature, the cooling water flow and the cooling water pressure in a heat exchange system are collected; change conditions of a fouling coefficient are predicated, and the conditions that cooling water outlet temperature, the cooling water flow and technology outflow outlet temperature change along with the changes of the fouling coefficient are predicated; the rule of influences on the heat exchange amount of the cooling water flow is disclosed, and an integral optimal operation mode and optimal operation parameters under different working conditions of the system are determined. The integral optimization technology has the advantages that the problem that the fouling coefficient of the heat exchanger is difficult to predicate is solved; the problem that the maximum value H3 of the minimum lift of a water pump in the circulating water system is difficult to calculate accurately is solved; the integral optimization technology of the circulating water system effectively saves energy.

Description

technical field [0001] The invention relates to the industrial field, in particular to an overall optimization technology of a circulating cooling water system. Background technique [0002] The circulating cooling water system refers to water as the cooling medium, which is composed of heat exchange equipment, cooling tower axial fan, water pump, pipe network and valves and other related equipment. Through the circulation of water, the waste heat generated in industrial production is continuously transferred The system passed to the environment can be divided into open system and closed system. [0003] Generally speaking, a circulating water system consists of multiple water devices, multiple return water branches, multiple different cooling towers, and multiple circulating water pumps. The optimal circulating water demand of the water-using device varies with the process heat load of the production device, the fouling coefficient, the external ambient temperature, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D17/02F25D29/00
Inventor 卢金玲罗兴锜颜春贾嵘武桦
Owner 西安格睿能源动力科技有限公司
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