Limestone slurry preparation system and control method

A technology of limestone slurry and preparation system, which is applied in the field of limestone slurry preparation system and control, can solve the problems of poor slurry density stability and the like

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Problems solved by technology

[0008] The embodiment of the present invention provides a limestone slurry preparation system to solve the technical problem of poor density stability of the slurry in the slurry preparation process in the prior art

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  • Limestone slurry preparation system and control method
  • Limestone slurry preparation system and control method
  • Limestone slurry preparation system and control method

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0044]The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

[0045] In the description of this applicati...

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Abstract

The invention discloses a limestone slurry preparation system and a control method.The limestone slurry preparation system comprises a limestone slurry box, a water feeding pump, a limestone powder bin, a feeder and a controller, the controller is used for starting the water feeding pump and the feeder when detecting a system starting instruction, the system is made to execute a preset operation mode, and when the system starting instruction is detected, the limestone powder bin is started; the current set output, the current set opening degree and the current set feeding time which enable the slurry density to be qualified and stable are determined according to the difference value between the current density and the expected density of the slurry in the limestone slurry box, the maximum output of the feeding machine is finally guaranteed through continuous iteration, and it is guaranteed that slurry preparation is completed within the shortest time; and the power consumption is reduced by the full feeder, the density stability of the slurry in the slurry preparation process is improved, and the quality of the slurry is improved.

Description

technical field [0001] The present application relates to the technical field of desulfurization process control, and more specifically, to a limestone slurry preparation system and control method. Background technique [0002] With the rapid development of the thermal power industry and the gradual improvement and standardization of my country's environmental protection system, the investment and stable operation of flue gas desulfurization process equipment has become a matter of great concern to thermal power companies. In the wet desulfurization process of thermal power plants, limestone slurry is the main raw material for the chemical reaction of flue gas desulfurization. Factors such as the concentration of limestone slurry and the pulping rate affect the efficiency and safe operation of the desulfurization process. [0003] At present, the desulfurization limestone slurry preparation system of thermal power plants adopts the method of mixing limestone powder and water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/18B01F15/00B01D53/80B01D53/48
CPCB01D53/80B01D53/48B01D2258/0283B01D2251/404B01D2251/606B01F27/90B01F35/2134
Inventor 张玉良王文钢芦保祥王鹏梁世鑫章传刚孙宗逊冷健杨堃郑竣城
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