Automatic drain valve sewage discharge system

Abstract

The invention discloses an automatic drain valve sewage discharge system which comprises a condensate water collecting tank and further comprises a self-turning plate water level sensor connected intothe condensate water collecting tank. A still kettle flange butt joint hole is formed in the upper end of the condensate water collecting tank and communicates with a condensate water flow stabilizing device in the condensate water collecting tank. An exhaust hole is formed in the bottom of the condensate water collecting tank and provided with a manual ball valve. Whether for the problem that cost is increased due to an obsolete coal boiler or steam from a power plant or in terms of energy conservation, emission reduction and environment protection, the PLC full-automatic drain and sewage discharge system of a still kettle has great practical significance.

Description

technical field [0001] The invention relates to automatic draining equipment and PLC automatic control equipment, in particular to an automatic drain valve sewage discharge system, which belongs to the technical field of energy saving and environmental protection. Background technique [0002] In this field, the use of autoclaves is mainly concentrated in the production process of products such as aerated concrete blocks, prefabricated pipe piles and autoclaved bricks, and is the main equipment. When the semi-finished product enters the kettle, the kettle door is closed, and the high-temperature and high-pressure steam is used for autoclaving and curing. During this process, due to the relatively high moisture content of the semi-finished product and the relatively low temperature of the kettle body, a large amount of condensed water will be generated at the bottom of the kettle. This will cause the temperature difference between the upper and lower sides of the autoclave to...

AI Technical Summary

Problems solved by technology

Mainly use mechanical means to perform mechanized drainage according to the water level in the valve. Due to the characteristics of silicate products: they are relatively dirty and alkaline, and the temperature of the condensed water itself is quite high. The valve will be easily blocked and closed tightly, resulting in If the water is not drained in time and when the water is drained, more steam will be discharged

First, the accumulation of water in the autoclave greatly increases the amount of gas used to reduce the temperature difference between the upper and lower sides of the autoclave. Second, the working time of the autoclave is increased, and the turnover rate of the autoclave is low, which affects the output. Third, if the water is not drained in time, the yield of the finished product will be greatly reduced due to the temperature difference between the upper and lower sides of the kettle.

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