Shandong Greenfield Chemical Technology Innovation Rainfall Consumption
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Greenfield Chemicals is a large water user and consumes 5 million cubic meters of industrial water annually. In order to rationally and effectively utilize water resources, the company has actively carried out a series of water-saving technological transformation projects centered on recycling water recycling. Greenfield Chemical's 4 cooling towers and desulfurization systems evaporate more than 1 million cubic meters of industrial water every year. In order to make full use of every drop of water resources, the company has conducted repeated trials and calculations to ensure that production operations and heating levels are met. In the first phase of the unit, the rotational speed of the two circulating pumps was adjusted downward, which further reduced the evaporation of the water tower. It is calculated that the evaporation loss of more than 20 cubic meters per hour can be reduced. After field tests, the boiler economizer and air precipitator used to remove ash water, most of the water seal water was replaced by industrial water to ash yard recycled water, and the excess industrial water in the pool was comprehensively recovered, and was driven into the steam turbine circulation tower through a clear water pump. Save more than 20 cubic meters of water per hour. In response to the problem of drainage of public buildings outside the desulfurization area of ​​Yinghai Building Materials, they reconstructed the desulfurization project water system and eliminated the phenomenon of external drainage. The company also implemented a retrofit project for the introduction of ash recovery water into the second phase of the slag tank, saving 180 cubic meters of water per hour.