Regarding the use of heat energy in the composition of hydrogen chloride, two methods are currently used in China: one is to use steel water jacket hydrogen chloride to form the by-product hot water of the furnace. This kind of steel composition furnace is simply corroded on the top and bottom of the furnace and has a short service life. , The use of by-product hot water is limited; the other is to use graphite-made hydrogen chloride to form the furnace by-product hot water or steam at a pressure of 0.2-0.3 MPa. Because graphite is correct for metal brittleness data, there is not only a certain safety hazard, but also In addition, the by-product hot water or low-pressure steam heat energy can only reach 40%, and the scale of application is the same and limited.
In the technology of using hydrogen chloride to form waste heat, the by-product medium-pressure steam composing furnace is in the high temperature section, and the alcohol alarm uses a steel water-cooled mantel; the hydrogen sulfide alarm is at the top and bottom of the composition section where the steel is simply corroded, and graphite materials are selected. manufacture. This method not only overcomes the shortcomings of low graphite furnace barrel strength and limited operating temperature, but also overcomes the shortcomings of simple corrosion on the top and bottom of the composition section. The ammonia nitrogen online analyzer improves the utilization rate of heat energy in the composition of hydrogen chloride. To 70%, the by-product steam pressure can be adjusted freely between 0.2 and 1.4 MPa, and can be integrated into the middle and low pressure steam network for use. The ammonia escape online laser gas analyzer makes the heat energy fully utilized.
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