Petrochemical heat pump softened water recovery of up to 230,000 yuan
In the hydrogenation plant of Jinzhou Petrochemical Company, significant efforts have been made to enhance the comprehensive management of water resources and optimize technology usage. By implementing measures such as using softened water for cooling and recycling it, the plant has achieved annual benefits exceeding 230,000 yuan.
It is reported that the recovery of demineralized water from heat pump seal cooling had long been a challenge due to the small volume of water and the difficulty in finding an effective recovery method. This issue had become a major obstacle in energy-saving initiatives. Starting from this year, the workshop organized technical staff to conduct on-site research and feasibility studies. They selected the most suitable design, ensuring that the system could operate without interruption.
The team installed PVC pipes deep into the drainage systems of the hot oil pumps, reaching depths between 300cm and 500cm. Four drainage outlets from the hot oil pumps were connected directly to an underground reservoir with a capacity of 1 cubic meter. A pipeline pump was then installed to transport the recovered demineralized water from the reservoir to the demineralized water tank and subsequently to the process water injection points of the production plant.
After technical testing, the quality and quantity of the recovered demineralized water fully met the requirements of the production process. The project has brought about significant economic and social benefits, proving to be a successful example of resource optimization and sustainable development.
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