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Recently, good news came from the second chemical production workshop of Shaanxi Jiao Co.
, Ltd.
: The temperature of ammonia distilled wastewater has dropped from 55°C to 37°C! This indicates that the ammonia distilled wastewater heat exchanger after technical reform and cleaning has achieved the expected effect
.
It is understood that the ammonia steaming post is mainly responsible for processing the remaining ammonia in the coking system.
On the one hand, it produces economically valuable concentrated ammonia, and on the other hand, it enables wastewater treatment to meet the requirements of biochemical inlet water temperature
.
For a long time, affected by the tar in the distilled ammonia wastewater and the scaling on the cooling water side, the original distilled ammonia wastewater heat exchanger is easily blocked, and the heat exchange effect and service life are greatly reduced
According to the physicochemical properties of the dirt in the heat exchanger, the second workshop of Shaanxi Jiao Company Chemical Industry Co.
, Ltd.
made bold innovations in the cleaning process of waste heat exchangers
.
According to the cleaning plan, technicians clean the waste water side of the heat exchanger, connect the heat exchanger to the crude benzene system, and then wash it with 170°C wash oil.
"After the cleaned heat exchanger is put into operation, it not only guarantees the biochemical inlet water temperature, but also extends the service life of the waste water heat exchanger.
This alone can save the company more than 200,000 yuan per year
.
" Zhang, the main person in charge of the project Peng said
