渔业现代化
漁業現代化
어업현대화
FISHERY MODERNIZATION
2013年
6期
1-5
,共5页
循环水养殖系统( RAS)%pH维持%计量泵
循環水養殖繫統( RAS)%pH維持%計量泵
순배수양식계통( RAS)%pH유지%계량빙
recirculating aquaculture system%pH maintain%metering pump
为精确调节循环水养殖系统中水体的pH，使鱼类生长在最适宜环境中，建立了一种新的pH维持系统。系统采用新型控制算法，通过向养殖水体持续加碱，将水体中的pH维持在一个稳定的数值。试验设定pH的目标值为74．，采用组态软件运行将PID、TCP、预判等多种计算相结合的算法来改变计量泵的输出流量，通过计量泵向调节池中持续注入碳酸氢钠（ NaHCO3）溶液，以平衡水体中碱的消耗，最终将系统水体的pH长时间稳定在7．4±0．01的范围内。本pH维持系统能实现对循环水养殖系统中水体pH的精确调控，对维持水质的稳定及促进鱼类的健康生长具有重要意义。
為精確調節循環水養殖繫統中水體的pH，使魚類生長在最適宜環境中，建立瞭一種新的pH維持繫統。繫統採用新型控製算法，通過嚮養殖水體持續加堿，將水體中的pH維持在一箇穩定的數值。試驗設定pH的目標值為74．，採用組態軟件運行將PID、TCP、預判等多種計算相結閤的算法來改變計量泵的輸齣流量，通過計量泵嚮調節池中持續註入碳痠氫鈉（ NaHCO3）溶液，以平衡水體中堿的消耗，最終將繫統水體的pH長時間穩定在7．4±0．01的範圍內。本pH維持繫統能實現對循環水養殖繫統中水體pH的精確調控，對維持水質的穩定及促進魚類的健康生長具有重要意義。
위정학조절순배수양식계통중수체적pH，사어류생장재최괄의배경중，건립료일충신적pH유지계통。계통채용신형공제산법，통과향양식수체지속가감，장수체중적pH유지재일개은정적수치。시험설정pH적목표치위74．，채용조태연건운행장PID、TCP、예판등다충계산상결합적산법래개변계량빙적수출류량，통과계량빙향조절지중지속주입탄산경납（ NaHCO3）용액，이평형수체중감적소모，최종장계통수체적pH장시간은정재7．4±0．01적범위내。본pH유지계통능실현대순배수양식계통중수체pH적정학조공，대유지수질적은정급촉진어류적건강생장구유중요의의。
In order to accurately regulate the pH of recirculating aquaculture systems , and build a suitable fish growth environment , we set up a new pH maintain system .The system adopts a new control algorithm , through using the method of continuous adding alkali into aquaculture ponds to maintain the pH of water at a stable value.This test set target the values of pH at 7.4, and combined PID, TCP, anticipation and various calculation algorithms to change metering pump output flow through using configuration software .Through injecting NaHCO 3 solution by metering pump continually , it could balance the consumption of alkali in water and make the pH stability for a long time in the range of 7.4 ±0.01.The pH maintain system could realize the pH of precise control in the recirculating aquaculture system , and keep the stability of water quality .It had important significance of promoting the healthy growth of fish .
