CN103447459B - The method of solid impurity and device in a kind of filtering and removing investment casting mould materials - Google Patents
The method of solid impurity and device in a kind of filtering and removing investment casting mould materials Download PDFInfo
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- CN103447459B CN103447459B CN201310094043.6A CN201310094043A CN103447459B CN 103447459 B CN103447459 B CN 103447459B CN 201310094043 A CN201310094043 A CN 201310094043A CN 103447459 B CN103447459 B CN 103447459B
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- filtering tank
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Abstract
The invention discloses method and the device of solid impurity in a kind of filtering and removing investment casting mould materials, insulation filtering tank, pipeline, valve, pump head etc., to treatment temperature, are heated to treatment temperature by pending mould material heat fused in storage barrel simultaneously; Open inlet control valve and discharging control valve, start delivery pump, be transported to by the pending recovery mould material through preheating in insulation filtering tank, filter, the mould material after filtration reclaims for subsequent use after discharging opening flows out; Sediment can be discharged by the deslagging pipeline bottom insulation filtering tank; Can recoil with the clean mould material after filtration after filtering core blocking.Present invention, avoiding long-time quiescence in high temperature and take off the impact of slag on mould material property energy, and achieve continuous operation.The method processing speed is fast, and effective, energy consumption is low, and equipment occupation space is little, and the processed technique of Yi Yumo material matches.
Description
Technical field
The invention belongs to solid-liquid separation technique field, the processing method of solid impurity and device in espespecially a kind of filtering and removing investment casting mould materials, be applicable to the de-Slag treatment of different types of investment casting mould materials, solve the problem that the processing time is long, energy consumption is high, efficiency is low, equipment occupation space is large of existing de-Slag treatment method.
Background technology
In investment casting process, molten dewax mould (dewaxing) is one of master operation.The method of dewaxing has multiple, as organic solvent method, hot water dewaxing's method, high steam lost-wax process, dodges and burns lost-wax process, microwave lost-wax process, hot sand lost-wax process etc.Existing most widely used be high pressure steam process, be also the main process for dewaxing of current model casting, employing the method has that quality of investment shell is good, Pattern Reclamation rate advantages of higher.But, regardless of in the process adopting which kind of dewaxing treatment method, in mould material, all can be mixed into the various solid impurities of about about 0.5%, as particle, dust and iron oxide etc. that shell surface comes off.Mould material to be recycled, these must be mixed into the impurity removing in mould material.The Jing Zhu factory of the domestic current overwhelming majority is standing de-slag to the method that the impurity that these are mixed into mould material carries out separating treatment.In order to make these field trashes separate to greatest extent, usually need to leave standstill 10 hours at the temperature of about 90 DEG C; Because at high temperature prolonged stay, the easy oxidation deterioration of mould material, makes mould material viscosity and fragility increase, darkens, penalty, so that finally cannot normally use.Meanwhile, the treatment effeciency of existing standing de-Slag treatment method is low, and the processing time is long, and power consumption, and equipment occupation space is large.
Summary of the invention
The object of the invention is to solve above-mentioned Pattern Reclamation and take off that the treatment effeciency that slag technology exists is low, energy consumption is high and the problem such as mould material hydraulic performance decline, provide a kind of method utilizing solid impurity in filtering and removing investment casting mould materials, its mould material that can realize energy-conservation, efficient, continuity and high stability takes off slag process.
Technical scheme of the present invention is achieved in the following ways:
A method for solid impurity in filtering and removing investment casting mould materials, is characterized in that: recovery mould material is placed in storage barrel, and heat fused is to treatment temperature; Insulation filtering tank, pipeline, valve, pump head etc. are heated to treatment process temperature; Open inlet control valve and discharging control valve, start delivery pump, be transported to by the pending recovery mould material through preheating in insulation filtering tank, filter, the mould material after filtration reclaims for subsequent use after discharging opening flows out; Sediment can be discharged by the deslagging pipeline bottom insulation filtering tank; Can recoil with the clean mould material after filtration after filtering core blocking.
In order to better realize the present invention, described de-residues processing technique temperature is determined according to the fusing point of mould material and its viscosity at different temperatures.
A device for solid impurity in filtering and removing investment casting mould materials, mainly comprises insulation filtering tank, feeding pipe, discharging pipeline, deslagging pipeline, pressure sensor, filtering core composition.It is characterized in that: insulation filtering tank is vertical structure, and tank body is connected by the cover flange with one or more passage with end socket, the discharging collar extension of filtering core is fixed and is sealed in the passage place of cover flange; Charging aperture is arranged on insulation filtering tank bottom, and discharging opening is arranged on the top of insulation filtering tank, and bottom is provided with slag-drip opening; Insulation filtering tank is provided with feed pressure sensor.
Further feature of the present invention is: the heating and thermal insulation of insulation filtering tank can adopt the uniform installation electromagnetic heater in outside, maybe insulation filtering tank is arranged to sandwich, by passing into heating medium for heating insulation in the interlayer of tank.
Further feature of the present invention is: the number of filtering core can be one or more, uniform in insulation filtering tank; The structure of filtering core can be the filtering materials such as sintered filter core, foldable filter element, filter bag.
Further feature of the present invention is: insulation is filtered in tank body can be divided into several district, and the filtering material of different pore size is installed in each district, and mould material is turned back to flow and filtered step by step between each district.
Further feature of the present invention is: when feed pressure reaches certain value, can pass into the clean mould material after de-slag carry out backwash by discharging opening.
In filtering and removing investment casting mould materials of the present invention, the method for solid impurity and device, be not only applicable to the filtration treatment of investment casting mould materials, be also applicable to other the de-Slag treatment needing the chemical products of at high temperature filtering.
Compared with the prior art, tool has the following advantages and beneficial effect in the present invention:
(1) the invention provides method and the device of solid impurity in a kind of filtering and removing investment casting mould materials, can in the short period of time the solid impurity in mould material be removed, avoid long-time quiescence in high temperature and take off the impact of slag on mould material property energy;
(2) filtering core can adopt micropore or ultramicropore filtering material, can remove the molecule leaving standstill de-slag method and can not remove, and is conducive to improving mould material quality;
(3) this processing method can realize continuous operation, and overall structure is simply compact, takes up room little, and processing speed is fast, and energy consumption is low, and Yi Yumo expects dehydration or other coordinative composition of equipments.
Accompanying drawing explanation
The structural representation of solid impurity device in Fig. 1 filtering and removing investment casting mould materials of the present invention
In figure: 1, be incubated filtering tank 2, inlet control valve 3, filtering core 4, cover flange 5, discharging control valve 6, pressure sensor 7, slagging coutrol valve
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A method for solid impurity in filtering and removing investment casting mould materials, it is characterized in that recovery mould material to be placed in storage barrel, heat fused is to treatment temperature; Insulation filtering tank, pipeline, valve, pump head etc. are heated to treatment process temperature; Open inlet control valve and discharging control valve, start delivery pump, be transported to by the pending recovery mould material through preheating in insulation filtering tank, filter, the mould material after filtration reclaims for subsequent use after discharging opening flows out; Sediment can be discharged by the deslagging pipeline bottom insulation filtering tank; Can recoil with the clean mould material after filtration after filtering core blocking.
As shown in Figure 1, it is the device of solid impurity in a kind of filtering and removing investment casting mould materials of the present invention, comprise insulation filtering tank 1, inlet control valve 2, filtering core 3, cover flange 4, discharging control valve 5, pressure sensor 6, slagging coutrol valve 7, insulation filtering tank 1 is vertical structure, the end socket of tank body is connected by the cover flange 4 with one or more passage, and the discharging collar extension of filtering core 3 is fixed and is sealed in the passage place of cover flange 4; Inlet control valve 2 is arranged on insulation filtering tank 1 bottom, and discharging control valve 5 is arranged on the top of insulation filtering tank 1, and bottom is provided with slagging coutrol valve 7; Insulation filtering tank 1 is provided with feed pressure sensor 6.
The heating and thermal insulation of the insulation filtering tank 1 in Fig. 1 can adopt the uniform installation electromagnetic heater in outside, maybe insulation filtering tank is arranged to sandwich, by passing into heating medium for heating insulation in the interlayer of tank.
Multiple passages of the cover flange 4 in Fig. 1 are for installing filtering core 3, and insulation filtering tank 1 is divided into filter front mould material district and filter rear mold material district by cover flange 4 and filtering core 3.
The filtering core 3 being arranged on cover flange 4 in Fig. 1 is the filtering material that sintered filter core, foldable filter element, filter bag etc. can make regular shape.Filtering core should fill up the inner space of whole insulation filtering tank 1 as much as possible.Filter pocket type filtering core need support with the skeleton of cage type or net tubular-shaped structures and fix.
The device of solid impurity in filtering and removing investment casting mould materials shown in Fig. 1, its concrete operating process is: first the pending mould material in storage barrel is heated to 90-120 DEG C, the surface that insulation filtering tank 1, conveyance conduit and pump head, valve etc. contact with mould material preheats 90-120 DEG C, open inlet control valve 2 and discharging control valve 5, open delivery pump (not shown in FIG.), the liquid mould material of fusing is sent in insulation filtering tank 1, is filtered by filtering core 3.Sediment bottom insulation filtering tank 1 regularly can be opened slagging coutrol valve 7 and carry out deslagging.Longer when running, after the feed pressure that pressure sensor 6 shows reaches certain numerical value, when the rate of filtration obviously declines, slagging coutrol valve 7 bottom insulation filtering tank 1 is opened deslagging, stop charging, close inlet control valve 2, open process control valve 5 and slagging coutrol valve 7, clean mould material after de-slag is pumped into by discharging opening, backwash is carried out to filtering core 3.Arranging point for measuring temperature and maintain the temperature of processing procedure by heating and thermal insulation system (not shown in FIG.) in insulation filtering tank 1 is 90-120 DEG C.
The above; embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under the prerequisite of spirit not departing from the technology of the present invention; the various distortion that this area engineers and technicians make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (1)
1. the method for solid impurity in filtering and removing investment casting mould materials, is characterized in that: insulation filtering tank, pipeline, valve, pump head, to treatment temperature, are heated to treatment temperature by pending mould material heat fused in storage barrel simultaneously; Open inlet control valve and discharging control valve, start delivery pump, be transported to by the pending recovery mould material through preheating in insulation filtering tank, filter, the mould material after filtration reclaims for subsequent use after discharging opening flows out; Sediment is discharged by the deslagging pipeline be incubated bottom filtering tank;
The apparatus structure that the method uses is as follows: comprise insulation filtering tank, feeding pipe, discharging pipeline, deslagging pipeline, pressure sensor, filtering core; Insulation filtering tank is vertical structure, and tank body is connected by the cover flange with one or more passage with end socket, and the discharging collar extension of filtering core is fixed and is sealed in the passage place of cover flange; Charging aperture is arranged on insulation filtering tank bottom, and discharging opening is arranged on the top of insulation filtering tank, and bottom is provided with slag-drip opening; Insulation filtering tank is provided with feed pressure sensor;
Be divided into several district in described insulation filtering tank, the filtering material of different pore size is installed in each district, and mould material is turned back to flow and filtered step by step between each district; The heating and thermal insulation of insulation filtering tank adopts in outside uniform installation electromagnetic heater, maybe insulation filtering tank is arranged to sandwich, by passing into heating medium for heating insulation in the interlayer of tank;
The structure of described filtering core is sintered filter core or foldable filter element or filter bag; The number of filtering core is one or more, uniform in insulation filtering tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094043.6A CN103447459B (en) | 2013-03-22 | 2013-03-22 | The method of solid impurity and device in a kind of filtering and removing investment casting mould materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094043.6A CN103447459B (en) | 2013-03-22 | 2013-03-22 | The method of solid impurity and device in a kind of filtering and removing investment casting mould materials |
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| CN103447459A CN103447459A (en) | 2013-12-18 |
| CN103447459B true CN103447459B (en) | 2015-12-09 |
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| CN201310094043.6A Expired - Fee Related CN103447459B (en) | 2013-03-22 | 2013-03-22 | The method of solid impurity and device in a kind of filtering and removing investment casting mould materials |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104759124A (en) * | 2015-03-31 | 2015-07-08 | 山东惠尔佳生物有限公司 | Special filter for phosphatide oil and filtering method |
| CN113577875A (en) * | 2021-08-13 | 2021-11-02 | 江苏丰泽生物工程设备制造有限公司 | Solid-liquid separator with automatic slag discharging structure for fermentation ingredients and use method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190922218A (en) * | 1909-09-29 | 1910-09-29 | William Adolf Freymuth | Improvements in or relating to the Treatment of Lac. |
| CN1218419A (en) * | 1996-05-16 | 1999-06-02 | 阿克霍姆资源有限公司 | Liquid and gas purification and filtration |
| CN101405066A (en) * | 2006-03-21 | 2009-04-08 | Bp北美公司 | Apparatus and process for the separation of solids and liquids |
| CN201676603U (en) * | 2010-05-23 | 2010-12-22 | 孙云祥 | Wax liquid pressure filtration facility |
| CN201684460U (en) * | 2010-05-05 | 2010-12-29 | 上虞市佑谦特种材料有限公司 | Precision filter |
| CN102125774A (en) * | 2010-11-10 | 2011-07-20 | 吴江市森泰机械制造有限公司 | Wax liquid filtration device |
| CN102688724A (en) * | 2012-06-01 | 2012-09-26 | 神华集团有限责任公司 | Fischer-Tropsch wax and catalyst filtering and back-flushing method for Fischer-Tropsch synthetic slurry bed reactor |
| CN102816934A (en) * | 2012-09-10 | 2012-12-12 | 曲险峰 | Method and device for centrifugal filtering of solid impurities from investment casting pattern material |
-
2013
- 2013-03-22 CN CN201310094043.6A patent/CN103447459B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190922218A (en) * | 1909-09-29 | 1910-09-29 | William Adolf Freymuth | Improvements in or relating to the Treatment of Lac. |
| CN1218419A (en) * | 1996-05-16 | 1999-06-02 | 阿克霍姆资源有限公司 | Liquid and gas purification and filtration |
| CN101405066A (en) * | 2006-03-21 | 2009-04-08 | Bp北美公司 | Apparatus and process for the separation of solids and liquids |
| CN201684460U (en) * | 2010-05-05 | 2010-12-29 | 上虞市佑谦特种材料有限公司 | Precision filter |
| CN201676603U (en) * | 2010-05-23 | 2010-12-22 | 孙云祥 | Wax liquid pressure filtration facility |
| CN102125774A (en) * | 2010-11-10 | 2011-07-20 | 吴江市森泰机械制造有限公司 | Wax liquid filtration device |
| CN102688724A (en) * | 2012-06-01 | 2012-09-26 | 神华集团有限责任公司 | Fischer-Tropsch wax and catalyst filtering and back-flushing method for Fischer-Tropsch synthetic slurry bed reactor |
| CN102816934A (en) * | 2012-09-10 | 2012-12-12 | 曲险峰 | Method and device for centrifugal filtering of solid impurities from investment casting pattern material |
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| CN103447459A (en) | 2013-12-18 |
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