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Self-adaptive fuzzy control method for evaporation treatment of wet-method smoke desulphurization waste water

A wet flue gas desulfurization and self-adaptive fuzzy technology, which is applied in the direction of gaseous effluent wastewater treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of unsuitable flue gas evaporation capacity and blockage of evaporation and dust removal equipment , affect the effect of flue gas desulfurization and other issues, to achieve the effect of improving reliability, improving operating efficiency and reducing misoperation

Active Publication Date: 2014-05-07
大连森雅能源环保设备有限公司
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Problems solved by technology

[0003] The problem to be solved by the present invention is: in the existing wet flue gas desulfurization technology, the control of the amount of waste water in the evaporation treatment is not suitable for the evaporation capacity of the flue gas, which causes corrosion, affects the effect of flue gas desulfurization, and causes the blockage of the evaporation and dust removal equipment

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  • Self-adaptive fuzzy control method for evaporation treatment of wet-method smoke desulphurization waste water
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  • Self-adaptive fuzzy control method for evaporation treatment of wet-method smoke desulphurization waste water

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Embodiment Construction

[0020] Such as figure 1 , The wastewater evaporation treatment process is that the flue gas generated by the combustion of the boiler 1 is connected to the dust collector 4 through the nozzle 3 and the flue 2 enters the dust collector 4. After dust removal, it enters the desulfurization absorption tower 5 for desulfurization. The waste water produced by desulfurization is sent to the waste water tank 6 of the desulfurization system. The waste water in the waste water tank 6 is pumped to the waste water buffer tank 7, and the outlet pipeline of the waste water buffer tank 7 is provided with a waste water high-pressure pump 8, and the waste water is sent to the waste water spray gun of the flue 2 by the waste water high-pressure pump 8. The compressed air generated by the other route air compressor 12 is sent to the compressed air tank 11 to stabilize the pressure and also sent to the waste water spray gun for atomizing waste water droplets. The compressed air and the waste wat...

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Abstract

The invention relates to a self-adaptive fuzzy control method for evaporation treatment of wet-method smoke desulphurization waste water. The flow rate of the desulphurization waste water is used as a control target to be automatically controlled, the smoke flow rate, the waste flow rate deviation value and the waste water flow rate deviation variation rate are used as fuzzy control input parameters, the waste water pump frequency and the openness of an adjusting valve are used as control output quantity, and a three-input two-output fuzzy controller is established in a control system; the establishment of a control rule table is described by adopting the mathematical explanation method with a weighting factor. The self-adaptive fuzzy control method has the beneficial effects that the automatic control of the desulphurization waste water evaporation process is favored, so that the reliability of parameters can be improved, the possibility of the malfunction caused by the single flow rate deviation adjustment can be reduced, and the reliability of the control method can be improved.

Description

technical field [0001] The invention belongs to the field of flue gas desulfurization wastewater treatment process control, in particular to an adaptive fuzzy control method for wet flue gas desulfurization wastewater evaporation treatment. Background technique [0002] At present, the most commonly used flue gas desulfurization technology in my country is wet flue gas desulfurization technology. During the desulfurization process of this technology, a certain amount of wastewater will be generated. The wastewater contains heavy metals exceeding the standard, contains suspended solids and is weakly acidic, and is directly discharged. It will cause great harm to the environment and must be discharged after being treated up to the standard. At present, one process in the wet flue gas desulfurization wastewater treatment is to introduce the desulfurization wastewater into the wastewater tank, and use the wastewater metering pump to spray the desulfurization wastewater in the was...

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Application Information

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IPC IPC(8): C02F1/16C02F103/18
Inventor 隋军李立鹏冯敏华李慧李红
Owner 大连森雅能源环保设备有限公司
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