Yangzi Petrochemical optimizes resource utilization

From January to July, only optimizing the use of natural gas resources, light naphtha, liquefied gas, and fuel oil, will increase efficiency by approximately 147 million yuan.

Yangzi Petrochemical adheres to both large and small projects, realizes overall optimization, and strives to increase the value of resource utilization. From January to July, only optimising the use of natural gas resources and launching light naphtha, liquefied petroleum gas and fuel oil will increase the efficiency by approximately 147 million yuan. The company also uses the original scrap and scrap as fuel, and has used more than 5,000 tons this year.

Yangzi Petrochemical has optimized resource utilization as a key task of implementing energy conservation, tapping potential and increasing efficiency, actively replacing low-priced raw materials with high-priced raw materials, and replacing low-priced fuels with high-priced fuels. This year, the natural gas from the West-East Gas Pipeline was introduced into Yangzi Petrochemical. The company immediately seized this opportunity to use this raw material with relatively low prices and good quality for petrochemical production. After replacing natural light naphtha with natural gas produced by the company's hydrogen production facilities, not only the cost of hydrogen production has been greatly reduced, but also the material consumption and energy consumption of the facility have reached the highest level in history, saving 90,000 tons of high-quality high-pressure steam in one year. , Reduce electricity consumption 600,000 kwh.

The products or by-products of each device can be mutually used, which is a major feature of petrochemical production. Yangzi Petrochemical has broken down the limits of its installations, and has skillfully made full use of various resources to save articles within the company. The company's olefin plant ethylene plant by-product carbon 9 was originally a cracking furnace fuel. After being replaced by natural gas, the company introduced it to the refinery's diesel hydrorefining unit and converted it into diesel and naphtha, creating a good Economic benefits. The company's PTA production has old devices and new devices. The old devices produce by-product steam, which is mainly used for device line heating. When the weather is warm and the pipeline does not need to keep warm, the excess steam has been used up, among other uses. This year, they added steam lines between the new and old devices and opened them. The by-product steam from the old installations was introduced into the power generation system of the new installation air compressor units, which could generate more than 500 kWh of electricity per hour.

In addition, Yangzi Petrochemical has not forgotten to start from subtleties and strive to tap potential and efficiency from many aspects. The company’s liquefied petroleum gas storage tanks have to be opened every year for testing. In the past, there was not much residual material in a tank, which was generally treated as a blow-off and put into the torch to burn. This year, on the premise of ensuring safety, they will introduce these materials into the company's living areas through the pipeline to make civilian fuels, accumulate less, and increase efficiency by several hundred thousand yuan a year.

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