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According to reports, in the production of chemical products in the coking industry, coke oven gas is used to cool the coke oven gas, and the cooling effect directly affects the output and benefits of the product. The traditional primary cooler is generally cooled by an open cooling system composed of a pool, a cooling tower, a water pump, and a connecting pipe. The cooling effect is poor, the energy consumption is high, and the tar yield is low.
In order to change this situation, Hebei Weili Refrigeration Equipment Co., Ltd. has worked through a research project to tailor evaporation water coolers for the coking industry. This water cooler adopts advanced water film evaporation heat transfer technology, which integrates water cooling with air cooling, heat transfer and mass transfer, and enhances heat transfer outside the tube through evaporation of the water film outside the tube. In terms of material selection, the company uses advanced high-tech carbon steel materials such as elliptical tubes, stainless steel corrugated tubes, copper inner and outer fin tubes, ACC tubes, etc. to increase the heat transfer area, thereby increasing the thermal conductivity and heat exchange. effectiveness. In addition, unlike the traditional primary cooler, the evaporative water cooler is the inside of the process medium pipe, water and air outside the pipe, the operating water temperature is low, so it is not easy to plug, scale, ensure the smooth and safe operation of the equipment.
Hebei Jinxin Coking Co., Ltd. became the first beneficiary of this type of evaporative water cooler. They used 8 newly developed evaporative water coolers from the company's new coking project. By contrast, the system water consumption has been reduced from the original 1,000 cubic meters to 100 cubic meters, and the annual operating cost has been reduced from the original 2.09 million yuan to 92,000 yuan. Moreover, the use of carbon steel pipes for the production of pipes has adopted a hot dip galvanizing process as a whole. It also increases the life of the equipment.
Recently, the reporter learned from Hebei Weili Refrigeration Equipment Co., Ltd. that the evaporative water cooler developed by the company was successfully applied to the coking industry for the first time and solved the high energy consumption problem that has long plagued the coking industry. This type of evaporative water cooler has the advantages of saving water by 90%, saving electricity by 50%, and reducing operating costs by 40% to 60%, which will play a role in energy conservation, emission reduction, and efficiency reduction in the coking industry.