The Acrylic Fiber Business Unit of Shanghai Petrochemical Co., Ltd. regards waste heat utilization as an effective way to achieve energy conservation and emission reductions. Through technical measures, waste heat and condensate waste heat and water recovery are comprehensively used, and “collecting waste into waterâ€. Last year, it saved nearly 4,000 tons of standard coal and saved nearly 2,200 tons of standard coal in the first half of this year.
In the production of acrylic fiber, steam consumption accounts for about 67% of the total energy consumption of the product, and the Acrylic Fiber Business Unit regards saving steam as a countermeasure to reduce energy consumption. The acrylic polymer factory of the company separates the condensate pipe of the first dryer from the condensate pipe of the second dryer by changing the direction of some pipes, and connects to the spinning hot-drawing tanks on the first and second floors, respectively, to achieve full reuse of steam condensate. Effectively solve the leakage of heat exchangers, this move can save 730 tons of standard coal. In the utilization of waste heat water for spinning production, through the enhancement of spinning and washing, optimization of spinning and spraying, standard water washing operations, and perfect gel processing control, the content of thiocyanic acid and COD in spinning waste hot water is effectively controlled. Improve the waste water quality. This measure saves 1.5 tons of steam per hour, saves 60 tons of pure water, and can save more than 3,000 tons of standard coal annually.
In the production of acrylic fiber, steam consumption accounts for about 67% of the total energy consumption of the product, and the Acrylic Fiber Business Unit regards saving steam as a countermeasure to reduce energy consumption. The acrylic polymer factory of the company separates the condensate pipe of the first dryer from the condensate pipe of the second dryer by changing the direction of some pipes, and connects to the spinning hot-drawing tanks on the first and second floors, respectively, to achieve full reuse of steam condensate. Effectively solve the leakage of heat exchangers, this move can save 730 tons of standard coal. In the utilization of waste heat water for spinning production, through the enhancement of spinning and washing, optimization of spinning and spraying, standard water washing operations, and perfect gel processing control, the content of thiocyanic acid and COD in spinning waste hot water is effectively controlled. Improve the waste water quality. This measure saves 1.5 tons of steam per hour, saves 60 tons of pure water, and can save more than 3,000 tons of standard coal annually.
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