Evanescent mode sand processing system

Abstract

The invention relates to an evanescent mode sand processing system, belonging to the field of an evanescent mode pouring technology. The evanescent mode sand processing system comprises a drum sand sieving machine, a vibration conveyor trough, a belt-type suspended magnetic separator, a heat-resistant bucket elevator, two intermediate sand bins, a dust removing device, a transitional sand hopper, a pneumatic conveyor, two sand hoppers above a swing table, and a rain-type sand feeder, wherein the vibration conveyor trough and the belt-type suspended magnetic separator are arranged at the rear side of the drum sand sieving machine; the heat-resistant bucket elevator is arranged at the rear sides of the vibration conveyor trough and the belt-type suspended magnetic separator; the two intermediate sand bins are arranged at the rear side of the heat-resistant bucket elevator; the dust removing device is arranged at the rear sides of the intermediate sand bins; the transitional sand hopper is arranged at the rear side of the dust removing device; the pneumatic conveyor is positioned at the rear side of the transitional sand hopper; the sand hoppers above the swing table are arranged at the rear side of the pneumatic conveyor; and the rain-type sand feeder is arranged at the rear sides of the sand hoppers above the swing table. The evanescent mode sand processing system is characterized by further comprising a programmable logic controller (PLC) system and a dust removing system; the dust removing device is a boiling bed cooling dust removing device and comprises a cold water circulating system and a high-pressure centrifugal fan; and a central sand bin is arranged between the transitional sand hopper and the pneumatic conveyor. Due to the dust removing device and the dust removing system, the evanescent mode sand processing system is good in effect, reasonable in design, convenient and reliable to control and use and high in working efficiency.

Description

Technical field: [0001] The invention relates to the technical field of lost foam casting, in particular to an lost foam sand processing system. Background technique: [0002] Lost foam casting technology is to bond and combine foamed plastic models similar to the casting size and shape into model clusters. After brushing and drying refractory coatings, they are buried in dry quartz sand for vibration modeling, and liquid metal is poured under certain conditions. The method of vaporizing the model and occupying the position of the model, forming the desired casting after solidification and cooling. There are many different names for lost foam casting. The main domestic names are "dry sand solid casting" and "negative compaction casting", referred to as EPC casting. The lost foam casting process includes white zone, black zone and yellow zone processes. In the existing lost foam casting technology, the black zone sand treatment process is inconvenient to control and operate, the...

AI Technical Summary

Problems solved by technology

The lost foam casting process includes white zone, black zone and yellow zone process. In the existing lost foam casting technology, in the black zone sand treatment process, the control and operation are inconvenient, the dust removal effect is poor, and the dust removal effect of the dust removal device is not ideal. , the recycling sand conveying device is unreasonable

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