A lift pump control method
A control method and a technology for lifting pumps, which are applied in pump control, liquid variable capacity machinery, machines/engines, etc., and can solve problems affecting the operating cycle of equipment, increasing the amount of equipment repairs and spare parts consumption, and fluctuations in sewage lifting volume of sewage pumps, etc.
Active Publication Date: 2019-03-12
SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
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Problems solved by technology
[0004] The disadvantage of manual control is that manual control not only requires a lot of manpower to supervise, but also the effect of control is related to the experience of the operator, and the reliability of the control is relatively low, which is prone to over-regulation, resulting in frequent start and stop of the sewage pump And the fluctuation of sewage lifting amount directly affects the equipment operation cycle, increases the amount of equipment repair and the consumption of spare parts
Method used
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Experimental program
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Embodiment Construction
[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific examples.
[0027] A lift pump control method, comprising:
[0028] The buffer tank contains the sewage in the water inlet pipe, and the first detection module on the buffer tank continuously sends the first signal to the control system;
[0029] The pump group includes several lift pumps, and the pump group pumps the sewage in the buffer tank to the cooling tower;
[0030] The second detection module in the cooling tower continuously sends the second signal to the control system;
[0031] The control system obtains the liquid level change speed of the buffer tank through the calculation of the first signal by the control system, and the liquid level height in the cooling tower is calculated by the control system through the second signal, and the control system wi...
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The invention discloses a lift pump control method, comprising: allowing a buffer tank to hold sewage in a water incoming pipe, and allowing a first detection module on the buffer tank to transmit a first signal to a control system constantly; allowing a pump set to include a plurality of lift pumps to pump the sewage in the buffer tank to a cooling column; allowing a second detection module in the cooling column to transmit a second signal to the control system constantly; allowing the control system to issue a control command to the pump set according to comparison results of the first and second signals. The lift pump control method disclosed in the application has the advantages of reasonable design, capability of increasing pump flow, high adjustment flexibility, good system stability, and long equipment operation cycle.
Description
technical field [0001] The invention relates to the field of sewage control, in particular to a method for controlling a lift pump. Background technique [0002] Blast furnace gas washing water, converter dedusting sewage, continuous casting secondary cooling sewage, steel rolling and iron sheet sewage in the sewage circulation system of iron and steel enterprises, etc., these sewage absorb and transfer a large amount of heat during the production process, entrain a large amount of suspended matter, the treatment of these sewage The process is generally sedimentation, oil removal, filtration, and then sent back for recycling after being cooled by a cooling tower. [0003] In the prior art, the operator visually observes the difference between the inlet water level and the target water level, and comprehensively analyzes the change rate of the reservoir water level according to the difference, and artificially controls the opening of each inlet lift pump through experience, t...
Claims
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IPC IPC(8): F04B49/06
CPCF04B49/06
Inventor 赵小喜李兵闵荣辉
Owner SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD