The methanol branch of Daqing Oilfield Chemical Group has implemented advanced control technology transformation of the distillation system and adopted multivariable predictive control, which is an advanced control technology that combines model prediction and feedback control. The project established an advanced control system for the rectification unit. Firstly, a high-variable multivariable robust predictive control software APC-Adcon was used to design a large APC controller to control a methanol unit rectification unit, and an optimized calculation method was adopted. This optimization control technology is based on the process simulation. According to the characteristics and operation of each distillation column of the rectification unit, a reasonable multivariable predictive control model is established to achieve the function of meeting local control requirements and assisting advanced control software. .
After the project was put into operation, the effect was very obvious. The overall automation level of the rectification unit is improved, the multivariable control problem of the rectification system is effectively solved, the influence of human factors is reduced, and the running stability of the device is improved. In the case that the existing DCS control system is operating normally, the operation rate of the advanced control system is over 95%, and the consistency of production operations is maintained. Operational optimization and "edge" control were achieved to increase methanol yield by 0.2%; unit steam consumption was reduced by 2.5% to an average of 0.5 ton/hr.
Cabinet Light
LEDER technology give your TV an edge and reduce eye strain with under cabinet Strip light from Monster Mounts. Under cabinet, this cabinet strip light that attaches to the back of your television, work with both freestanding and mounted TV's and can be plugged into the back of your TV directly via a USB port.
The cabinet light`s lens which is rotating allows for light distribution in the direction that best suits your space. The lens of the cabinet light is adjustable up to 130 degrees.This ultra low-profile design of the Series xenon under cabinet lighting conceals long-lasting, low-voltage bulbs that distribute a crisp bright light. Hinged tops allow for convenient bulb replacement, and push-in wire connectors in the junction box make either direct wire or plug-in installation quick and simple.
Features:
• Product Type: Tape light
• Power Source: Plug-in
• Excellent power saving
• Mounting Method: Adhesive
• A low profile design
• Color temperature :3000k-6000K
• Adjustable angle: Rotating lens up to 130 degrees that allows for light distribution in the direction that best suits your space.
• Type of protection: IP20
• Warranty:2 years
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