Offer Control System:
1) The whole control system of new Sulphonation /Sulphation units;
2) Upgrade/reconstruct the old units with whole control system;
3) Upgrade/renovate the main control loops:
The control loop of steady mass flow of liquid sulfur feeding; the cascade control of the flow of LAB and the density of sulfuric acid; other concerned control loops.
 
With Special Technique:
WEIXIAN is very specialized in the R&D of SO3 film sulphonation/ Sulphation. We have exploited a lot of Plants with several control systems and accumulated enough experience in design. Our control system improves the efficiency of the processes, and upgrade your automatization level by advanced control methods.
 
Various Choices:
1) Intelligent Instruments Control System: good performance against a small investment, and can have several kinds of control method.
2) PLC Computer Control System: complete automatization control, more convenient operation and better performance.
3) DCS Computer Control System: complete automatization control, best performamce and easy to be upgraded or reconstructed.
 
Good Quality Components:
Digital instruments of domestic famous brands, digital instruments of Honeywell, electric components of Rosemount, Emerson, E+H, EJA, etc.
DCS system of Zhejiang Supcon: JX-300X type
DCS system of Honeywell: Plantscape Vista/HC900 type
PLC system of Siemens: S7-300 PLC+ industrial computer+ STEP7+ WINCC
PLC system of Hollysys: FOPLC+ industrial computer + STEP7 + Focsoft3.1
 
Complete Services:
Pre- services: choose and analyse the control system, make investment budget of instruments;
Mid-services: selection, installation, debugging of instruments; program, cofiguration and debugging of computer control system.
Post-services: training of operation rules , field technical assistance when drive-test.
Long-services: long time technical support service and, ensure after-service.

   
PLC control system of AB DCS system of Honeywell
DCS system of Zhejiang Supcon DCS control cabinet
The sulphonation unit in control system Dry unite in control system
SO3 production unit in control system Exhaust gas treatment unit in control system
 
 
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