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Curing device of resin molding sand for casting

A casting resin and curing device technology, which is applied to casting molding equipment, cleaning/processing machinery of casting mold materials, manufacturing tools, etc., can solve the problems of high cost and waste of triethylamine gas, etc., achieve sufficient curing, reduce Pollution, the effect of saving production costs

Active Publication Date: 2012-07-04
SUZHOU MINGZHI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of specially equipped waste gas treatment device is relatively high, and at the same time, the untreated triethylamine gas is greatly wasted.

Method used

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  • Curing device of resin molding sand for casting
  • Curing device of resin molding sand for casting

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the embodiment shown in accompanying drawing:

[0019] Such as figure 1 Shown is a resin sand curing device for casting, the curing device includes a base 5, a sealing cover 2 that can be installed on the base 5, a tank 1 for storing the gaseous curing agent ethylenetriamine, and the sealing cover 2 is installed on On the base 5, a sealing strip 4 is arranged between the sealing cover 2 and the base 5 for sealing, so that the inside of the sealing cover 2 and the base 5 forms a sealing cavity 8 for placing the mold 3 and the molding sand to be solidified. The base 5 is provided with a first passage 9 and a second passage 10 connecting the tank body 1 and the sealed cavity 8. The flow direction of the gas in the first passage 9 is that the sealed cavity 8 flows to the tank body 1, and the gas in the second passage 10 flows in the direction of For the tank body 1 to flow to the sealed cavity 8 . A...

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PUM

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Abstract

The invention relates to a curing device of resin molding sand for casting, which comprises a base, a sealing cover installed on the base, and a tank body for storing gaseous curing agent triethylamine. The sealing cover is installed on the base; a sealing cavity is formed between the sealing cover and the inner part of the base; a first path and a second path for communicating with the tank body and the sealing cavity are formed on the base; gas in the first path flows to the tank body from the sealing cavity; gas in the second path flows to the sealing cavity from the tank body; a gas feeding pump is arranged between the first path and the tank body; a gas extracting pump is arranged between the second path and the tank body; a third path provided with a vacuum pump is also formed on the base; the third path is communicated with the outside atmosphere; and the sealing cavity and the tank body form circulation of the gaseous curing agent through the first path, the second path and the third path. The curing device can reduce the pollution to the atmosphere through the recycling of triethylamine, improves the production efficiency, ensures that the curing of molding sand is more sufficient through the gaseous curing agent, and saves the production cost.

Description

technical field [0001] The invention relates to a resin molding sand curing device for casting. Background technique [0002] The curing of uncured molding sand by gaseous curing agent is a common method in the curing process, and many gases in the gaseous curing agent are toxic, such as triethylamine. Triethylamine is mixed with hot air to achieve a mixed gas with a certain concentration, and participates in the catalytic curing of the resin. The residual gas of triethylamine after solidification is discharged to a special processing device for treatment, and discharged into the atmosphere after reaching the emission standard. However, the cost of specially equipped waste gas treatment device is relatively high, and the untreated triethylamine gas is also greatly wasted. Contents of the invention [0003] The invention provides a casting resin molding sand curing device capable of recycling a gaseous curing agent. [0004] In order to achieve the above object, the tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C5/08
Inventor 杨林龙吴勤芳邱壑
Owner SUZHOU MINGZHI TECH