Intelligent heat load distribution control system and method for multi-unit cooperative heat supply
An intelligent distribution and control system technology, applied in heating systems, heating methods, household heating, etc., can solve the unbalanced distribution of heating loads, pressure fluctuations in heating systems, unfavorable AGC adjustment and pass rate of primary frequency modulation, etc. problems, achieve the effect of reducing coal consumption rate and improving economic indicators
Active Publication Date: 2021-08-17
国能长源汉川发电有限公司
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Problems solved by technology
[0005] In the actual operation of the system, due to the error of pressure measurement, the loss along the pipeline, and the adjustment performance of the regulating valve, etc., this control method of simultaneously adjusting the pressure of the heating main pipe by multiple units often results in a serious imbalance in the distribution of the heating load of each unit. , one unit has reached the maximum heat suppl
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[0028] The principles and features of the present invention will be described below with reference to the accompanying drawings, and the exemplary examples are intended to be construed as they are intended to limit the scope of the invention.
[0029] The thermal load intelligent distribution control system of a multi-unit synergistic heating of the present invention is used to control two or more heating units heating through the corresponding pressure reduced pressure regulating valve, by the corresponding pressure reduced regulating valve. Multi-unit synergistic heating system composed of two or more heating units on the heating mother tube figure 1 As shown, a heating machine having a DCS system is provided, and the heating unit is provided with two or more, each of which is in communication with the heating mother tube, each. The heating unit is provided with a reduced pressure regulating valve on a pipe in communication with the heating machine, and each of the heating unit ...
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The invention relates to an intelligent heat load distribution control system and method for multi-unit cooperative heat supply. The intelligent heat load distribution control system comprises a cooperative heat supply mode input module which is used for obtaining the cooperative heat supply mode input of each heat supply unit according to the electric load and flow set value of each heat supply unit; the heat supply flow total demand quantity calculation module is used for calculating the heat supply flow total demand quantity according to the cooperative heat supply mode input of all the heat supply units, the heat supply flow total demand quantity is calculated; the cooperative heat supply unit heat supply flow distribution module is used for calculating a heat supply flow distribution value of each heat supply unit according to the heat supply flow total demand quantity, the load percentage of all heat supply units and cooperative heat supply mode input; and the unit heat supply flow control module is used for obtaining a pressure reduction regulating valve instruction of each heat supply unit according to the heat supply flow distribution value, the heat supply actual flow and cooperative heat supply mode input of each heat supply unit. According to the intelligent heat load distribution control system and method for multi-unit cooperative heat supply, the reliability and safety of the heat supply system can be improved, and it is guaranteed that the quality of steam for external heat supply is qualified.
Description
technical field [0001] The invention relates to the field of heat supply control, in particular to a heat load intelligent distribution control system and method for multi-unit cooperative heat supply. Background technique [0002] In recent years, my country's central heating has developed rapidly. Both the heating capacity and the scale of the heating network have greatly increased. The popularity and application areas of central heating are also becoming wider and wider. With the gradual improvement of national energy conservation and emission reduction requirements, in industrial agglomeration areas with large heat load requirements such as chemical industry, papermaking, printing and dyeing, and pharmaceuticals, by accelerating the construction of clean and efficient cogeneration projects and transforming existing large-capacity and high-parameter coal-fired units, Eliminate scattered coal-fired small boilers. Centralized heating is an important measure that can improv...
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Login to view more IPC IPC(8): F24D19/10
CPCF24D19/10F24D2220/044F24D2220/046F24D2220/02
Inventor 曾海波陈节涛张凯豪宋凌云周传杰
Owner 国能长源汉川发电有限公司
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