plc 畢業(yè)設(shè)計(jì) 污水處理器系統(tǒng) 外文翻譯(文件)
【正文】 entralized management with carry out whole operation, management with excellent make to control dangerous dispersion in the meantime, raise the system credibility. The upper puters Medium control two calculator adoption PII class works of room to control machine, circulate the operate system of Windows place of honor machine be responsible for on the scene establish each long range control(fullautomatic control, automatic control, order to move a control) with surveillance, make use of Intouch7. 0 engineering software packages provide a good person machine dialogue boundary but obtain concerning parameter and equipments appearance information from the PLC by searching a way, keep a view manifestation to e out on the CRT by good sketch type, print a necessary data in the meantime and be provided for lord to control and manager instruction and control boundary but include the system total diagram, system cent diagram, imitate the quantity general chart, parameter a constitution, report to the police a window, history trend and register a window etc. boundary the system total diagram, circulate the personnel can keep watch on signals, such as all movement appearances, equipments trouble and liquid which control an equipments and discharge...etc..Operate a personnel in the system the cent the diagram can carry on a single machine point to move to circulate an operation to all control equipmentses, bee the set automatically circulate operation or the whole factorieses fullautomatic operation bine the meantime place of honor machine 2 and do a plait distance a control room to establish another an inset type emulation to hold, is been one control by the place of honor machine, in order to keep the craft process of the view manifestation whole factory and main parameter value. 1. 2 The PLC stand According to wastewater treatment of two part, the spot the long range of the equipments the control output and the spot the signal collect to control a station pletion from two PLC wood native control station control the space grid, sewage promote a pump house, Pu spirit to sink sand pond39。t need to operate a personnel an spot data spreads a highest machine through a PLC, e out in the place of honor on board description and make the craft, equipments movement of whole factorieses get an overall control. The living creature processing part of the PLC3 station control is the whole wastewater treatment of key part, be limited by space, only with the PLC3 stand of program design for example. Process of control The PLC3 stationses were use to control to get into Pu spirit from sewage, the pond is everywhere sewage run off Pu after manage spirit the whole process of the turn of sequence and time switch moderate breezes machine of control various valve, pump, breeze machine to soon regulate etc. in this Pu spirit pond is the core of wastewater treatment to construct a thing, sewage is to e and go through a microbial living creature oxygenation in the pond in addition to anic matter, the processing effect of content to sewage of the oxygen in water is to go to a pass according to the SBR craft, the deliquescence oxygen in the Pu spirit pond content usually controls within the scope of 1~3 mgs/L and annoy a stage end to fuse an oxygen content in the Pu should be not over the 2 mgs/ the oxygen once measured low or lead Gao, all will influence a fluid matter 4 sets of the 10 104 t the SBR of 8 pond modes to respond pond to the day, each one responds that the pond go together with a pedestal from change Pin machine control of breeze machine, used for annoying pond Pu spirit to by turn provide oxygen toward two 4 pieces of deliquescence oxygen test instruments in the different location of each Pu spirit pond, measure contain of sewage amount of oxygen in pond, the PLC separates a 5 mins to examine a deliquescence oxygen in a Pu spirit pond value each time, according to fuse oxygen of average value to control breeze machine to turn
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