Temperature-regulating sand silo adopting liquid heat-conducting medium and sand silo temperature-regulating method

Abstract

The invention provides a temperature-regulating sand silo adopting a liquid heat-conducting medium and a sand silo temperature-regulating method. According to the temperature-regulating sand silo adopting the liquid heat-conducting medium and the sand silo temperature-regulating method, the liquid heat-conducting medium is adopted, sand grains can be heated and cooled, temperature adjustment of silica sand can be effectively achieved, and the temperature-regulating sand silo comprises a silo body and a temperature-regulating plate assembly; the temperature-regulating plate assembly comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of temperature-regulating plates, and the sand silo temperature-regulating method comprises the steps that the sand grains penetrate through gaps between a plurality of heat-conducting plates arranged in parallel from top to bottom; and liquid heat-conducting media are injected into cavities in the heat-conducting plates and circularly flow inside and outside the heat-conducting plates, and in the process that the sand grains pass through the gaps between the adjacent heat-conducting plates, the liquid heat-conducting media exchange heat with the sand grains through the plate walls of the heat-conducting plates, so that temperature adjustment of the sand grains is achieved.

Description

technical field [0001] The invention relates to the technical field of temperature regulation of silica sand, in particular to a temperature-regulating sand bin and a sand bin temperature-regulating method using a liquid heat-conducting medium. Background technique [0002] The modern casting production process is mainly based on sand casting, and the casting sand becomes waste sand after the casting is completed. The raw material of the sand mold is molding sand, and the sand mold becomes waste sand after use. Molding sand has specific requirements on temperature during actual use. For example, the best sand temperature is 25°C for ordinary core making. If the temperature is too high, it will cause abnormal solidification of the sand mold and lead to abnormal quality of castings. High-temperature waste sand needs to be cooled to room temperature before being transported and cleaned up. If the temperature of waste sand is too high, the risk of burns for operators will be in...

AI Technical Summary

Problems solved by technology

[0003] The fluid cooling bed equipment used to reduce the temperature of the molding sand in the foundry production process is large in size, complex in structure, and has many procedures. It takes a long time and complicated process to cool the molding sand; the batch heating machine to increase the temperature of the molding sand mainly releases heat by burning natural gas Heating the molding sand, the molding sand before being heated is generally at room temperature, this process requires a lot of energy consumption

The waste sand produced by casting is directly stacked in the open space for cooling. This process requires a very large area, and the dust splash will cause environmental pollution during the execution process; high-temperature waste sand is also easy to cause production ACCIDENT

At the same time, when the waste sand is recycled and reused, the sand mold will be reheated. It takes a long process to heat the waste sand at room temperature to the temperature required for regeneration, and this process also consumes a lot of energy.

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