Technical transformation of replacing oil with coa

2022-07-23
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Construction scale of auxiliary control system of the technical transformation project of replacing oil with coal for boilers in chemical fertilizer plant of refinery and Chemical Industry Co., Ltd.: 2 sets of 410t/h circulating fluidized bed boilers and 2 sets of 50MW Steam turbine generator units. Siemens Industrial Automation Co., Ltd. (SIAS) provides hardware programmable controller (PLC) and engineering services for this project, including: PLC programming and HMI screen configuration for purified water and chemical water treatment system and coal handling in the station, And HMI image configuration, detailed design, software programming, software debugging, communication, etc. of 7 sets of PLC systems (including off-site fuel conveying system, limestone pneumatic conveying system, boiler fly ash system, boiler soot blowing system, dosing device, steam water sampling and analysis system, compressed air station system, electrostatic precipitator system)

plc control scale

--- the auxiliary control system includes the following parts, which will be monitored by the PLC auxiliary control system

in station fuel conveying system

limestone pneumatic conveying system

1boiler fly ash pneumatic conveying system

2boiler fly ash pneumatic conveying system The speed of the ring stiffness testing machine shall be able to regulate the system

boiler continuous dosing system and steam water sampling and analysis system

water purification and chemical water treatment system

air compressor station

plc scale

--- division of auxiliary systems, The following PLC control sub stations are set:

2 sets of upper computer monitoring systems

1 set of auxiliary control management platform

2 sets of chemical water upper computer monitoring systems, which is also very important

1 set of fuel conveying system in the station

1 set of limestone pneumatic conveying system

boiler fly ash conveying system (1/2) 2 sets of

boiler soot blowing system (1/2) 2 sets of

boiler continuous dosing system safety belt impact tester functional features and steam water sampling and analysis system 1 set of

purified water and chemical water treatment system 1 set of

compressed air station system 1 record the data set when the rope breaks

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