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Electric dehydration and deslagging method and device for investment casting pattern materials

An investment casting and electric dehydration technology, which is applied in the cleaning/processing machinery of casting mold materials, casting molding equipment, manufacturing tools, etc., can solve the problems of high energy consumption, low processing efficiency, and deterioration of mold material performance, and achieve The effect of low energy consumption, improving the quality of the mold material and weakening the strength

Inactive Publication Date: 2013-12-18
曲险峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of low processing efficiency, high energy consumption and rapid deterioration of mold material performance in the above mold material recovery technology, and to provide a method of dehydrating and deslagging molten mold material in a high-voltage direct current or alternating current electric field Method, which can realize energy-saving, high-efficiency, continuous and high-stability mold material dehydration and deslagging process

Method used

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  • Electric dehydration and deslagging method and device for investment casting pattern materials
  • Electric dehydration and deslagging method and device for investment casting pattern materials
  • Electric dehydration and deslagging method and device for investment casting pattern materials

Examples

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Effect test

Embodiment 1

[0032] Such as figure 1 As shown, the present investment casting mold material electric dehydration deslagging vertical tank device includes a heat preservation tank 1, a high-voltage power supply system 5, and a control system. The outer wall of the heat preservation tank 1 is grounded 10, and a combined electrode 8 is provided with a high-voltage introduction device 4 Connected to the high-voltage power supply system 5, the inlet distributor 3 is located below the combined electrode 8; the top of the insulation tank 1 is connected with the discharge control valve 7 and is provided with a pressure sensor 6; the bottom of the insulation tank 1 is connected with the separation water cooler 11 Connected, the outlet of the separated water cooler 11 is provided with a drainage control valve 12; an observation window 9 is provided at the wax water interface under the heat preservation tank 1, and the wax water interface level sensor can be placed at the window 9; the control system an...

Embodiment 2

[0038] Such as figure 2 As shown, the investment casting mold material electric dehydration slag removal horizontal tank device includes a heat preservation tank 1, a high-voltage power supply system 5, and a control system. One end of the heat preservation tank 1 is connected to the feed control valve 2, and the other end is connected to the outlet from the top. The material control valve 7 is connected; the inlet distributor 3 is provided behind the inlet in the thermal insulation tank 1; the outer wall of the thermal insulation tank 1 is grounded 10, and the combined electrode 8 is provided with the high-voltage power supply system 5 through the high-voltage introduction device 4, and A pressure sensor 6 is provided; the bottom of the heat preservation tank 1 is provided with a water bag 13, which is connected to the separated water cooler 11, and the outlet of the separated water cooler 11 is provided with a drainage control valve 12; Window 9, wax water interface level sen...

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Abstract

The invention discloses an electric dehydration and deslagging method and device for investment casting pattern materials. According to the method, an electric field force generated by a high-voltage electric field is used for performing electrophoresis coalescence, dipole coalescence, vibration coalescence and the like on water drops in the smelted pattern materials, so that the small water drops are accumulated to form water drops with great grain diameters, which are then easily deposited in and separated from the pattern materials, and meanwhile, solid impurities or soluble salts dispersed in the water drops or adsorbed to the surfaces of the water drops are deposited together with the water drops so as to realize dehydration and deslagging of the pattern materials. A control system controls heating power and regulates feeding and discharging flow and electric field parameters according to parameters including temperatures, pressures, a wax-water interface level, discharged material water content and the like of the treated pattern materials, and thus continuous and stable operation is guaranteed. According to the electric dehydration and deslagging method and device for the investment casting pattern materials, the disadvantages of long treatment time, high energy consumption, low efficiency, large occupied space and the like of a traditional device are overcome, and the energy-saving, efficient, continuous and stable dehydration and deslagging process of the pattern materials is realized.

Description

Technical field [0001] The invention belongs to the technical field of solid-liquid and liquid-liquid separation, in particular to an electric dehydration and slag removal treatment method and device in the process of investment casting mold material recovery, which is suitable for the dehydration and slag removal of different types of investment casting mold materials Treatment solves the problems of long treatment time, high energy consumption, low efficiency, and large equipment occupation space of the existing dehydration and deslagging treatment method. Background technique [0002] In the investment casting process, the lost wax mold (dewaxing) is one of the main processes. There are many dewaxing methods, such as organic solvent method, hot water dewaxing method, high pressure steam dewaxing method, flash dewaxing method, microwave dewaxing method, hot sand dewaxing method and so on. The most widely used method is the high-pressure steam method, which is also the main dew...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02B22C5/00
Inventor 曲险峰
Owner 曲险峰
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