CN1621177A - Waste foundry sand regeneration processing unit and regenerating method thereof - Google Patents
Waste foundry sand regeneration processing unit and regenerating method thereof Download PDFInfo
- Publication number
- CN1621177A CN1621177A CNA2004100309948A CN200410030994A CN1621177A CN 1621177 A CN1621177 A CN 1621177A CN A2004100309948 A CNA2004100309948 A CN A2004100309948A CN 200410030994 A CN200410030994 A CN 200410030994A CN 1621177 A CN1621177 A CN 1621177A
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- Prior art keywords
- husky
- useless casting
- casting
- useless
- sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/18—Plants for preparing mould materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to a waste foundry sand regenerating treating device and a method for making the regenerating treating sand and a content for supplying the regenerating foundry sand with the above method, for the regenerating treating the waste foundry sand the invention provides a method with the working procedures of filtrating, separating, pulverizing, grinding and powder dust sucking of the waste foundry sand to continuously eliminate the adhesive and iron oxide on the surface of the waste foundry sand, and a method for making the high-quality regenerated foundry sand with SiO2 content above 80 26609328th the above method and a waste foundry sand regenerating treating device which can product the production. The waste foundry sand regenerating treating device in the present invention is composed of a feeder (10) which supplies the waste foundry sand, a first vibrating screen (20) and a second vibrating screen (60) which do filtrating according to the granular size, a jaw crusher (30) for crushing the larger particles and a first flour mill and a second flour mill (80), a drum-shaped magnet (50) for eliminating the metal plate in the waste foundry sand, a non-ferrous metal sizer (70) and a bag filter (100) which can recover the whole powder dust, and the high-quality regenerating silica sand can be continuously produced.
Description
Technical field
The present invention is the invention of the husky regeneration treatment system of relevant useless casting, and it relates to useless husky regenerating treater of casting and renovation process (Recycling Equipment for Waste Casting Sandand Its recycling process) thereof.
Background technology
Usually, casting is husky will possess outstanding fire resistance, aeration, mouldability.Especially be principal component with the outstanding many silicon sand of quartzy amount height of fire resistance, be used in the formwork that plays the effect of moulding cover in the casting.These castings are husky to be subjected to melt the temperatures involved of metal in the process of cast article, its natural meeting in surface is stained with iron oxide.In addition, be used for the alumina of binder, dextrin, sea coal, furane resins, phenolic resin, sodium metasilicate sticks to the surface, therefore, if do not remove these compositions, and reuse, then can reduce casting between sand adhesion and the aeration of mould, cause the quality of cast article to descend the problem that can not reuse.Therefore, be that useless casting sand is carried out whole processing of burying in the past.But, the dispute between the place group of self-control mechanism that numerous and confused thereupon deficiency of burying the place causes.
In order to overcome the above problems, once repeatedly went out the husky device of the useless casting of regeneration.But, the problem that can not effectively solve the dust that produces in the husky shattering process of useless casting is arranged, or removes the problem that needs expensive heat treatment expense in the binder process.Therefore be difficult to practicality.
In addition, can divide a method and a husky renovation process that is used for other purposes of useless casting that desertifies again at the husky renovation process of useless casting.But based on building with the absolute Korea S's truth that lacks of aggregate, the husky effective regeneration method of useless casting should be in conjunction with cement, is used for various buildings, the method for construction material.Thereby, need to produce SiO
2The regenerated silicon sand that component content is higher, but original device because of efficient is low, therefore compare device's productivity is low, is difficult to produce SiO
2The regenerated silicon sand that component content is high.
Summary of the invention
The present invention is in order to solve the above problems, to provide to husky from the useless casting that factory discharges as various casting agents, by screening, separate, fragmentation is ground, operations such as dust suction can be removed the useless regenerating treater of casting materials such as surperficial binder of sand and iron oxide continuously.
One object of the present invention is to provide has full-automatic regeneration treatment system, can process continuously and to handle the husky device of useless casting.
Another object of the present invention is to provides; With screening, separate, fragmentation is ground, and operations such as dust suction are removed the attached alumina that is bonded at the husky surface of useless casting, dextrin, sea coal, furane resins, phenolic resin, sodium metasilicate and iron oxide, and the method for production high-quality regenerated silicon sand continuously.
Another object of the present invention is to; By the continuous processing treatment process of above-mentioned automated system, produce regeneration cast sand.
Another object of the present invention is to provides; Utilize dust collect plant-bag hose, all reclaim in the removal process that sticks to surperficial various binders of casting sand and iron oxide and take place, can solve the regenerating treater of atmosphere polluting problem.
Another object of the present invention is to; At copper smelting plant, zinc smeltery and cement factory etc. need SiO in a large number
2The production and construction of the composition producer of aggregate, production and supply contain SiO
2Composition reaches high-quality regenerated silicon sand and the husky regenerating treater of useless casting more than 80%
Provide in addition and utilize dust collect plant-bag hose, the dust that takes place in the time of can all reclaiming removal attached to the various binders on the husky surface of above-mentioned useless casting and iron oxide, the husky regenerating treater of useless casting with the effect that solves atmosphere polluting problem.
In addition, provide and to produce the husky regenerating treater of useless casting that the husky amount of silicon reaches the high-quality regenerated silicon sand more than 80%, with by the above-mentioned SiO of wilderness demand
2The copper smelting plant of composition when use in zinc smeltery and cement plant, also is used in the absolute construction aggregate that lacks of China.
Description of drawings
Fig. 1 is the husky regenerating treater figure of the useless casting that comparatively meets embodiment 1.
Fig. 2 a is the vibratory sieve left surface expanded view for research Fig. 1.
Fig. 2 b is for the positive expanded view of the vibratory sieve of research Fig. 1.
Fig. 3 a is the flour mill side view for research Fig. 1.
Fig. 3 b is the flour mill sectional view for research Fig. 1.
Fig. 4 is the husky regeneration of the useless casting process chart that utilizes the husky regenerating treater of useless casting among the present invention
＜reference numeral explanation 〉
10: 20: the 1 vibratory sieves of feeder
30: 40: the 1 flour mills of fish hawk formula destroyer
50: 60: the 2 vibratory sieves of drum-type magnet
70: 80: the 2 flour mills of non-iron screening washer
90: stockyard 100: bag hose
The specific embodiment
To achieve these goals, the present invention is to supply useless casting husky feeder; State the useless casting sand that feeder is supplied with to choosing, carry out No. 1 vibratory sieve of particle screen selecting; The husky jaw crushing device of the useless casting of the larger particles that broken above-mentioned No. 1 vibratory sieve filters out; No. 1 flour mill that is broken into the uniform-dimension particle by the useless casting sand of above-mentioned jaw crushing device; In the useless casting sand behind above-mentioned No. 1 flour mill and No. 1 vibratory sieve, remove a plurality of drum-type magnet of sheet metal; To husky by the useless casting behind the above-mentioned drum-type magnet, No. 2 vibratory sieves that screen once more; In the useless casting sand to the larger particles of No. 2 vibratory sieves screening, remove aluminium oxide and non-ferrous components, and the husky non-iron screening washer of putting into the 1st flour mill once more of useless casting; Broken once more husky by above-mentioned No. 2 vibratory sieves than the useless casting of granule, and be transported to that the 2nd flour mill in stockyard forms.
For embodiments of the invention correctly is described, attached detailed reference diagram carries out following explanation.
Below explanation just is limited to and understands the present invention and respectively operate necessary part, and other parts are common recognitions for the personnel that have this technical field general knowledge, therefore omits specifying it.And be one of embodiments of the invention at this statement accompanying drawing, and the present invention is only limited to corresponding figure.
Fig. 1 of the present invention is the formation of the husky regenerating treater of useless casting.
The husky regenerating treater of useless casting of the present invention is to supply useless casting husky feeder 10, screen above-mentioned feeder 10 first and supply with No. 1 vibratory sieve 20 of useless casting sand grain size, the husky jaw crushing device 30 of the useless casting of the larger particles that broken above-mentioned No. 1 vibratory sieve 20 filters out, No. 1 flour mill 40 that is broken into uniform-dimension by above-mentioned jaw crushing device 30 useless casting sand, by removing a plurality of drum-type magnet 50 of sheet metal in the useless casting sand behind above-mentioned No. 1 flour mill 40 and No. 1 vibratory sieve 20, to No. 2 vibratory sieves 60 that screen once more by the useless casting sand behind the above-mentioned drum-type magnet 50, in the useless casting sand to the larger particles of No. 2 vibratory sieves 60 screenings, remove aluminium oxide and non-ferrous components, and the husky non-iron screening washer 70 of putting into the 1st flour mill 40 once more of useless casting, broken once more husky by above-mentioned No. 2 vibratory sieves 60 than the useless casting of granule, and the 2nd flour mill 80 that is transported to stockyard 90 constitutes.
To having the husky regenerating treater of so useless casting, carry out following detailed description according to its function.
At first, above-mentioned No. 1 vibratory sieve is according to granular size, the husky device of useless casting of screening feeder supply.Its formation is represented with Fig. 2 a and Fig. 2 b, vibrates according to vibrating device 22 and 22 operations of above-mentioned vibrating device.In addition, screen 10 supplies of above-mentioned feeder useless casting sand grain size screen cloth 24 and be installed in above-mentioned screen cloth 24 bottoms, and delivery board that the useless casting sand of above-mentioned screen cloth 24 screenings is transported to above-mentioned drum-type magnet constitutes.
Here, 25 is the husky input port 25,23,27 of useless casting of dropping into from feeder 10, is put into the floss hole separately of subsequent processing by the useless casting beach volleyball of the screening of granular size by above-mentioned screen cloth.
To this, following being elaborated.After No. 1 time vibratory sieve 20 received useless casting sand from input port 25, the screen cloth 24 that utilization is vibrated by vibrating device 22 was pressed the useless casting sand of granular size screening, and carries respectively to subsequent processing.For example, particle is by behind the screen cloth 24 greater than the useless casting sand of 30mm, is discharged into the 1st floss hole 23, the conveyer belt 1c that is indicated among Fig. 1 renders to jaw crushing device 30 and the 1st flour mill 40 successively, after fragmentation, by conveyer belt 1e, 1f, 1b are transported to magnetic force screening washer-drum-type magnet 50.Particle is by screen cloth less than the useless casting sand of 30mm, falls delivery board 26, is transported to drum-type magnet 50 by being transferred band 1b behind the 2nd floss hole 27.
Simultaneously, above-mentioned the 1st flour mill 40 has the useless casting sand that is broken first in the above-mentioned jaw crushing device 30 of reception from conveyer belt 1d after, with less than the evenly broken function of the size of 2mm the time, be to clean the binder on the husky surface of above-mentioned useless casting and the device of iron oxide with water.It is identical that it constitutes the structure of representing with Fig. 3 A and Fig. 3 b, and separately input port 44 and floss hole 46 are arranged; Receive that power that drive division (not have mark among the figure) transmits rotates the rotation drum 42 that useless casting sand is housed inside and attached to the groove internal gasket 48 of above-mentioned rotation drum 42 inside; Be contained in above-mentioned rotation drum 42 inside, and clean the binder and the iron oxide on the husky surface of useless casting with water, play that a plurality of poles 49 of the husky function of broken useless casting constitute according to the running of rotation drum 42.
That is, rotate the above-mentioned rotation drum 42 of the 1st flour mill 40 of structure like this, then groove internal gasket 48 and the above-mentioned pole 49 attached to above-mentioned rotation drum 42 inside can be collided mutually in rotary course.In this course, useless casting is husky when can be broken into the following particle of 2mm, and what the binder on the husky surface of above-mentioned useless casting and iron oxide can natures is cleaned with water.Behind said process, useless casting sand can be transferred band 1e, and 1f, 1b are sent to drum-type magnet.
Above-mentioned drum-type magnet 50 is in No. 1 vibratory sieve 20 and 40 screenings of the 1st flour mill and the broken useless casting sand of crossing, and removes the device of the foreign matter of sheet metal class.Husky conveyer belt 1b has on the position of certain distance a plurality of drum-type magnet 50 is housed with moving above-mentioned useless casting, utilizes magnetic force absorption to be transferred sheet metal in the useless casting sand that band 1b carries.At this sheet metal that is adsorbed is by other conveyer belts 1g, and 1h, 1i, 1k are transported to sheet metal class stockyard and keeping.Other separator is equipped with in the upper end of said conveyer belt 11, and the sand in the sheet metal of said conveyer belt is separated.
In addition, the useless casting sand by above-mentioned drum-type magnet 50 is sent to subsequent processing-Di 2 vibratory sieves 60 by another conveyer belt.
The 2nd vibratory sieve 60 be meant screening the granular size by above-mentioned drum-type magnet 50 less than the husky screening plant of useless casting below the 2mm.Based on the 2nd vibratory sieve 60 of carrying out this function is to have same structure with the 1st above-mentioned vibratory sieve 20, therefore, omits detailed description thereof.But the screen cloth mesh that is installed in above-mentioned the 2nd vibratory sieve 60 ought to be littler than screen cloth 24 meshes that are installed on above-mentioned the 1st vibratory sieve 20.Its reason is to filter out granular size less than the useless casting sand below the 2mm for more or less freely.
That is, the useless casting sand by above-mentioned drum-type magnet 50 will be transferred band 1l and put into above-mentioned the 2nd vibratory sieve 60, and separate with the size of particle.To be transferred band 1n in this granular size that filters out greater than the useless casting sand more than the 2mm and put into non-iron screening washer 70, to remove aluminium oxide and the non-ferrous components in the useless casting sand.In addition, the granular size that filters out on above-mentioned the 2nd vibratory sieve 60 will be put into subsequent processing-Di 2 flour mills 80 by another conveyer belt 1m less than the useless casting sand of 2mm
At this moment, above-mentioned the 2nd vibratory sieve 60 filters out, and the husky particle ratio of useless casting is, granular size is less than accounting for 80% greatly below the 2mm, and what 2mm was above accounts for 20% greatly.
The 2nd flour mill 80 is the same with foregoing, has once more brokenly by the 2nd vibratory sieve 60, and granular size is removed binder and iron oxide attached to the husky surface of useless casting once more less than beyond the husky function of the useless casting below the 2mm, is processed into regeneration cast sand.The 2nd flour mill 80 that cause possesses this function is identical with the 2nd above-mentioned flour mill, for this reason, omits detailed description thereof.In addition, will be transferred band 1q and be transported to the stockyard, be taken care of by the regenerate casting sand handled of above-mentioned the 2nd flour mill 80.Simultaneously, the dust that in 90 storage process of stockyard, takes place, the dust collect plant-bag hose 100 that will be installed in stockyard 90 1 ends all reclaims, pre-anti-air pollution.
Below be to describe in detail having the husky regenerating treater of useless casting and the duty of above structure with embodiment 1, more definite saying is the husky renovation process of useless casting.Can clearly understand with reference to 4 in figure.
Embodiment 1:
Fig. 4 is for to indicate with the husky regenerating treater of useless casting among the present invention in order, the husky flow chart of the husky regeneration casting of useless casting.
With reference to figure 4, at first husky collection of the useless casting that Foundry Works is produced is transported to after the storage facilities, with excavator or grab claw the above-mentioned useless sand of casting put into device-feeder 10 among the present invention.
The useless casting sand of putting into above-mentioned feeder 10 will be transported to the 1st vibratory sieve 20.At this, will carry out screening to useless casting sand grain.As, in the useless casting sand by 20 screenings of the 1st vibratory sieve, granular size will be transported to drum-type magnet 50 less than the useless casting sand of 30mm, granular size greater than the useless casting of 30mm husky will drop into successively to the jaw crushing device 30 and first flour mill 40, after fragmentation becomes the following particle of 20mm, be transported to above-mentioned drum-type magnet 50.Meanwhile, the above-mentioned useless casting of putting into the 1st flour mill is husky in shattering process, will be removed attached to the binder on surface and iron oxide etc.
After this, by above-mentioned drum-type magnet 50, the useless casting sand that removes foreign matters such as sheet metal class will be sent to the 2nd vibratory sieve, with screened granular size.
That is, husky by the granular size of above-mentioned the 2nd vibratory sieve 60 screenings less than the useless casting below the 2mm, will arrive subsequent processing-Di 2 flour mills 80, granular size will be put into non-iron screening washer 70 greater than the useless casting sand of 2mm.Simultaneously, the useless casting sand of putting into above-mentioned non-iron screening washer 70 is the running according to non-iron screening washer, removes the alumina composition in the useless casting sand, and will put into the 1st above-mentioned flour mill 40, carry out fragmentation once more, so that be broken into the following particle of 2mm once more, and will be transported to the 2nd vibratory sieve 60.
In addition, the granular size of putting into the 2nd flour mill 80 by above-mentioned the 2nd vibratory sieve 60 is husky less than the useless casting of 2mm, will be removed the binder and the iron oxide on the husky surface of useless casting once more, simultaneously, and the broken once more consistent following particle of 2mm that is broken into once more.Regenerated silicon sand by said process regeneration will be stored in storage location-stockyard 90.In addition, the dust that takes place in the above-mentioned storage process will all be reclaimed by dust collect plant-bag hose 100.
Industrial applicability
Above content, the present invention is the useless casting of discharging from factory as various casting agents Sand by screening, separates, and fragmentation is ground, and the operations such as dust suction can be removed continuously The materials such as the binder on useless sand-cast surface and iron oxide.
In addition, utilize dust collect plant-bag hose, can all reclaim removal and be attached to above-mentioned useless casting The dust that takes place when making the surperficial various binders of sand and iron oxide has the solution atmosphere polluting problem Effect.
And the dust that above-mentioned bag hose reclaims can be in cement manufactory as auxiliary material-oxygen The source of supply of changing iron is used, and therefore can effectively process discarded object.
The SiO of the regenerated silicon sand of producing according to the present invention in addition,2Composition reach more than 80%, therefore, can be at the above-mentioned SiO of needs2The copper smelting plant of composition, the factories such as zinc smeltery and cement plant use, from And, also can be used as in the advantage of the absolute construction that lacks of China with aggregate.
Claims (10)
1. husky regenerating treater of useless casting, it has: the husky feeder (10) of the useless casting of supply; Husky No. 1 vibratory sieve (20) that carries out particle screen selecting first of useless casting to above-mentioned feeder (10) supply; In by the useless casting sand of above-mentioned No. 1 vibratory sieve (20), remove a plurality of drum-type magnet (50) of sheet metal class; To husky No. 2 vibratory sieves (60) that carry out particle screen selecting once more of useless casting by above-mentioned drum-type magnet (50); Husky the 2nd flour mill (80) that is transported to the stockyard of granule casting by above-mentioned No. 2 vibratory sieves (60).
2. the husky regenerating treater of useless casting according to claim 1 is characterized in that, also comprises: the husky jaw crusher (30) of the useless casting of the larger particles that broken No. 1 vibratory sieve (20) filters out; Husky the 1st flour mill (40) that is broken into single-size of useless casting by above-mentioned jaw crusher (30); In the bigger useless casting sand of the particle of above-mentioned No. 2 vibratory sieves (60) screenings, remove salic and non-ferrous components after, throw into the non-ferrous components screening washer (70) of above-mentioned the 1st flour mill (40) once more.
3. the husky regenerating treater of useless casting according to claim 2 is characterized in that, No. 1 time above-mentioned vibratory sieve is a vibrating device (22); Vibrate and screen the screen cloth (24) of the useless casting sand grain size that has been dropped into and be installed in screen cloth (24) bottom according to the running of vibrating device (22), carry the husky carrier pipe (26) of the useless casting of the granule that has filtered out.
4. the husky regenerating treater of useless casting according to claim 3 is characterized in that, the 1st flour mill (40) is the rotation drum (42) that rotates useless casting sand with the power of drive division transmission; Dress is attached to the inner inside groove pad (48) of rotation drum (42) and is installed in rotation drum inside, cleans the husky surface of useless casting with water according to the function situation of drum, and it is carried out broken a plurality of poles (49).
5. according to the husky regenerating treater of each described useless casting among the claim 1-4, it is characterized in that, in above-mentioned stockyard, be provided with dust collection bag filter (100) device that takes place in the storage process.
6. the regenerated silicon sand handled of the husky regenerating treater regeneration of a useless casting according to claim 5.
7. husky regeneration treating method of useless casting, it utilizes claim 1 to the husky regenerating treater of the described useless casting of claim 4, by screening, separate, operations such as dust suction are ground in fragmentation, handle the binder on the husky surface of casting of giving up and touch the foreign matter that melts slurry (liquid iron) and stick to the surface, produce SiO
2Composition reaches 80% above regenerated silicon sand.
8. husky regeneration treating method of useless casting, it utilizes the husky regenerating treater of the described useless casting of claim 5, by screening, separate, fragmentation is ground, operations such as dust suction are handled the binder on the husky surface of casting of giving up and are touched the foreign matter that melts slurry (liquid iron) and stick to the surface, produce SiO
2Composition reaches 80% above regenerated silicon sand.
9. a method according to claim 7 regenerated silicon sand of regenerating and handling.
10. a method according to claim 8 regenerated silicon sand of regenerating and handling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR0085981/2003 | 2003-11-29 | ||
| KR1020030085981A KR100442191B1 (en) | 2003-11-29 | 2003-11-29 | Recycling Equipment for Waste Casting Sand and Its recycling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1621177A true CN1621177A (en) | 2005-06-01 |
| CN1315592C CN1315592C (en) | 2007-05-16 |
Family
ID=34793132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100309948A Expired - Fee Related CN1315592C (en) | 2003-11-29 | 2004-04-05 | Waste foundry sand regeneration processing unit and regenerating method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100442191B1 (en) |
| CN (1) | CN1315592C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773981A (en) * | 2010-03-05 | 2010-07-14 | 昆明理工大学 | Method for mechanically combining and regenerating casting clay-resin mixed used sand |
| CN102009122A (en) * | 2010-12-09 | 2011-04-13 | 柳州市奥凯工程机械有限公司 | Waste foundry sand regenerating process method |
| CN102335720A (en) * | 2011-10-28 | 2012-02-01 | 宁夏华源机械制造有限公司 | Process and device for reusing waste foundry sand |
| CN104975185A (en) * | 2015-07-21 | 2015-10-14 | 合肥智凯电子科技有限公司 | Environment-friendly metal recovery system |
| CN106807882A (en) * | 2017-02-06 | 2017-06-09 | 柳州市柳晶科技有限公司 | Inorganic precoated sand antiquated sand regeneration decomposition helps liquid and antiquated sand renovation process |
| CN109093063A (en) * | 2018-08-29 | 2018-12-28 | 禹州市昆仑模具有限公司 | A kind of precoated sand regeneration method |
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| KR100813319B1 (en) | 2006-05-08 | 2008-03-13 | 박종원 | Manufactring of state-material used waste-molding sand in fluidized bed brazier |
| KR100941027B1 (en) * | 2009-03-24 | 2010-02-05 | 한국지질자원연구원 | The regenerating method of scrap casting sand |
| KR101173053B1 (en) * | 2010-06-30 | 2012-08-13 | 현대자동차주식회사 | Separation system for binder of waste molding sand using ultrasonic |
| KR101179883B1 (en) | 2010-07-30 | 2012-09-05 | 주식회사 티에스씨 | Manufacture method and apparatus for casting sand |
| KR101643564B1 (en) * | 2016-01-29 | 2016-07-29 | (주)대동씨엠 | System for regenerating waste mold sand |
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| SU1435368A1 (en) * | 1986-07-07 | 1988-11-07 | Всесоюзный Проектно-Технологический Институт Литейного Производства | Method of dry regeneration of waste moulding sands |
| DE4032516A1 (en) * | 1990-10-12 | 1992-04-16 | Foerder & Anlagentechnik Gmbh | Separating magnetic and non-magnetic sand mixts. - using fluidised bed with magnetic sorting drum |
| JP2959218B2 (en) * | 1991-07-18 | 1999-10-06 | 神鋼電機株式会社 | Casting system |
| CN2244443Y (en) * | 1995-12-08 | 1997-01-08 | 华中理工大学 | Mechanical dry sand reclaiming plant |
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- 2003-11-29 KR KR1020030085981A patent/KR100442191B1/en not_active IP Right Cessation
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- 2004-04-05 CN CNB2004100309948A patent/CN1315592C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773981A (en) * | 2010-03-05 | 2010-07-14 | 昆明理工大学 | Method for mechanically combining and regenerating casting clay-resin mixed used sand |
| CN101773981B (en) * | 2010-03-05 | 2012-05-23 | 昆明理工大学 | Method for mechanically combining and regenerating casting clay-resin mixed used sand |
| CN102009122A (en) * | 2010-12-09 | 2011-04-13 | 柳州市奥凯工程机械有限公司 | Waste foundry sand regenerating process method |
| CN102009122B (en) * | 2010-12-09 | 2013-01-23 | 柳州市奥凯工程机械有限公司 | Waste foundry sand regenerating process method |
| CN102335720A (en) * | 2011-10-28 | 2012-02-01 | 宁夏华源机械制造有限公司 | Process and device for reusing waste foundry sand |
| CN104975185A (en) * | 2015-07-21 | 2015-10-14 | 合肥智凯电子科技有限公司 | Environment-friendly metal recovery system |
| CN106807882A (en) * | 2017-02-06 | 2017-06-09 | 柳州市柳晶科技有限公司 | Inorganic precoated sand antiquated sand regeneration decomposition helps liquid and antiquated sand renovation process |
| CN109093063A (en) * | 2018-08-29 | 2018-12-28 | 禹州市昆仑模具有限公司 | A kind of precoated sand regeneration method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100442191B1 (en) | 2004-07-30 |
| CN1315592C (en) | 2007-05-16 |
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