A computer control method of sludge dewatering system based on bp neural network

Abstract

The invention discloses a computer control method for a sludge dewatering system based on BP neural network, comprising: collecting the moisture content W of the sludge entering the flocculation and stirring device of the sludge dewatering machine according to the sampling period 1 , sludge amount Q, flocculant solution concentration C and mud cake moisture content W 2 ; In turn, the sludge moisture content W 1 , the amount of sludge Q, the concentration C of the flocculant solution and the water content of the mud cake W 2 Perform normalization to determine the input layer vector x={x of the three-layer BP neural network 1 ,x 2 ,x 3 ,x 4}; where x 1 is the moisture content coefficient of sludge, x 2 is the sludge volume coefficient, x 3 is the sludge temperature coefficient, x 4 is the water content coefficient of the mud cake; the input layer vector is mapped to the middle layer, and the middle layer vector y={y 1 ,y 2 ,...,y m}; Get the output layer vector z={z 1 ,z 2 ,z 3 ,z 4}; where z 1 is the speed adjustment coefficient of the sludge dewatering motor, z 2 is the flow regulation coefficient of the dosing pump, z 3 is the flow adjustment coefficient of the sludge pump, z 4 is the speed adjustment coefficient of the flocculation stirring device. The computer control method of the sludge dewatering system based on the BP neural network provided by the invention can improve the treatment efficiency of the sludge dewatering system.

Description

technical field [0001] The invention belongs to the technical field of automatic control of a sludge dewatering system, in particular to a computer control method for a sludge dewatering system based on a BP neural network. Background technique [0002] With the rapid development of my country's economy and the emphasis on environmental protection, the number of sewage treatment plants and sewage treatment stations is increasing year by year, and the amount of sludge produced is also increasing day by day. In addition to the remaining sediment of sewage treatment plants, the contaminated sediment of rivers, lakes and reservoirs polluted by industrial wastewater is one of the reasons for the continuous pollution of water bodies. Sludge has high water content, is perishable, has complex components, and contains toxic, harmful, refractory organic matter and heavy metals. Sludge has high water content, large volume and fluidity. Whether it is sludge landfill or resource utiliz...

AI Technical Summary

Problems solved by technology

At present, the sludge dewatering system has been able to achieve automatic control, but generally it can only be operated according to the operating parameters of the set system according to the initially measured sludge condition, and manual adjustment is performed when the dehydration effect is found to be poor

In the actual sewage treatment process of the sewage treatment plant, due to continuous changes in the nature and temperature of the sewage, the properties of the sludge will also change accordingly, and the dehydration effect of the sludge dewatering system is not stable.

However, due to the limitation of manual adjustment, the sludge dewatering system cannot be kept in the best operating state, resulting in waste of flocculant, and the moisture content of mud cake is not up to standard

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