Resin sand treatment production line

Abstract

The invention discloses a resin sand treatment production line. The resin sand treatment production line comprises an old sand recycling and regenerating device, a new sand conveying device and a pneumatic device, wherein the old sand recycling and regenerating device comprises a roller shakeout machine, a vibration regeneration machine, a suspension magnetic separator and a rotor regeneration machine. After shaking out from the roller shakeout machine and then being crushed by the vibration regeneration machine, old sand is demagnetized through the magnetic separator, then is regenerated through the rotor regeneration machine, and finally mixed with new sand so as to enter a double-arm sand mulling machine through a gas feeding device; one side of the roller shakeout machine is fed with heated compressed air for evaporating moisture; and the pneumatic device supplies the compressed air required by the roller shakeout machine and industrial gas required by the gas feeding device through an air compressor. According to the resin sand treatment production line, different compressed air is input to the roller shakeout machine and the gas feeding device based on the mounting requirements of the pneumatic device, resources are reasonably utilized, the damage of formed castings is reduced, and the regeneration use value of resin sand is improved.

Description

technical field [0001] The invention relates to the field of pig iron casting, in particular to a resin sand processing production line. Background technique [0002] Resin sand is particles made of thermoplastic acrylic or thermosetting amine materials. Resin sand can cast more than 70% of tools. In the process of producing resin sand casting tools, a lot of waste resin sand will be produced. If the waste resin sand is not treated, it will not only It will cause a lot of waste of resources and cause environmental pollution. After the resin sand is poured to form a mold, if the binder in it has not undergone irreversible changes, it only needs to remove impurities, and the original performance can be restored after ash absorption, cooling and re-mixing; and the use of chemically hardened sand molds and For sand cores, the hardening reaction of the binder is irreversible. In this case, the old resin sand cannot be reused simply, and resin sand recycling equipment and product...

AI Technical Summary

Problems solved by technology

[0002] Resin sand is particles made of thermoplastic acrylic or thermosetting amine materials. Resin sand can cast more than 70% of tools. In the process of producing resin sand casting tools, a lot of waste resin sand will be produced. If the waste resin sand is not treated, it will not only It will cause a lot of waste of resources and cause environmental pollution

After the resin sand is poured to form a mold, if the binder in it has not undergone irreversible changes, it only needs to remove impurities, and the original performance can be restored after ash absorption, cooling and re-mixing; and the use of chemically hardened sand molds and For sand cores, the hardening reaction of the binder is irreversible. In this case, the old resin sand cannot be reused simply, and resin sand recycling equipment and production lines are required.

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