Automatic alkali adding method for culture pool

Abstract

The invention relates to an aquaculture technology, in particular to an automatic alkali adding method for a culture pool. The automatic alkali adding method for the culture pool comprises the following steps of: [1] inputting data of culture pool water volume, water change rate and bait feeding amount to an industrial personal computer (2); [2] inputting a set pH value; [3] placing a pH sensor (1) into the culture pool (8) to measure the pH value; [4] performing comparative analysis on the set value and the measured value by the industrial personal computer (2); [5] pre-judging the comparison result by the industrial personal computer (2); [6] calculating a control value according to a program by the industrial personal computer (2); [7] outputting the control value to a metering pump (4) by the industrial personal computer (2); and [8] operating the metering pump (4) according to the control value to change the flow and continuously add alkali liquor. The method not only automatically adds the alkali, but also saves water resources; and the method keeps continuous operation of the metering pump, and reduces loss and damage of equipment. The method provides effective guarantee for industrial circulating water culture.

Description

technical field [0001] The invention relates to aquaculture technology, in particular to a method for automatically adding alkali to a culture pond. Background technique [0002] With the rapid development of our country's economy, the pollution and destruction of the ecological environment of water areas are becoming more and more serious, and the water areas are facing the serious threat of ecological desertification. The existing production mode is restricted, and the closed circulation water breeding system is gradually rising in our country. At present, my country's Guangdong, Sichuan, Shandong, Xinjiang, Fujian and other places have successively built industrialized recirculating aquaculture workshops. The water treatment equipment of the circulating water system ensures the water quality requirements for fish reproduction, realizes the reuse of water bodies, has the advantages of low water resource requirements, and weak dependence on the water environment. As one o...

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Problems solved by technology

[0005] 1. The traditional method of adding alkaline substances controlled by solenoid valves cannot adjust the flow rate. Although it can also change the pH value, it is mainly aimed at the situation that the volume of wastewater from factories, steel plants, sewage treatment, etc. will not increase and the composition of the water will not change. ; 2. Manual regulation is mainly divided into alkali injection and water change

Alkali dosing method is only based on experience, the error is large, and the adjustment accuracy is difficult to control; circulating aquaculture controls the pH value by changing the water, which consumes a lot

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