CN102284346B - Device for collecting fine sand of a rock - Google Patents
Device for collecting fine sand of a rock Download PDFInfo
- Publication number
- CN102284346B CN102284346B CN2011101657939A CN201110165793A CN102284346B CN 102284346 B CN102284346 B CN 102284346B CN 2011101657939 A CN2011101657939 A CN 2011101657939A CN 201110165793 A CN201110165793 A CN 201110165793A CN 102284346 B CN102284346 B CN 102284346B
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- mentioned
- rock
- fine sand
- hang plate
- hydroecium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Sewage (AREA)
Abstract
The invention relates to a device for collecting fine sand of a rock, characterized in that: the device comprises: a cylindrical main body; a first inclined plate inclinedly arranged in the main body and provided with a lower end separated from the inner wall of the main body; a second inclined plate inclinedly arranged in the main body towards the direction opposite to the first inclined plate and provided with a lower end separated from the inner wall and the bottom of the main body; a conic water chamber with an upper end fixed on the edge of the upper end of the main body and holes through which the fine sand of the rock flows and arranged on the lower end of the conic water chamber; a sludge inflow pipe arranged on the upper side of the main body and capable of supplying the rock sludge towards the upper side of the first inclined plate; an overflow pipe communicated with the upper end of the water chamber, therefore the pure water on the upper side of the water chamber is discharged to a sedimentation basin; a discharge pipe communicated with the side opposite to the lower end of the second inclined plate, therefore the sedimentary fine sand of the rock is discharged out.
Description
Technical field
The present invention relates to a kind of rock fine sand recovery device, the rock mud that produces in the process of the fine aggregates such as manufacturing artificial stone sand for make coarse aggregate and broken its accessory substance stone flour in crushed rock, before carrying out the medicine processing, separate fine sand and reclaim from this rock mud, thereby the use amount of medicine when reducing post processing, and reduce to greatest extent the generation of rubbish.
Background technology
Recently, utilize the various building industries development of armored concrete swift and violent, thereby the phenomenon that natural aggregate significantly lacks occurred, therefore substitute natural aggregate and use the frequency of artificial aggregate and regeneration aggregate to increase gradually.Artificial aggregate huge rock by broken stone ore etc. is made, and is divided into coarse aggregate and fine aggregate according to its fineness.
When producing the broken huge rock of artificial aggregate etc., although according to some difference of huge rock quality, can produce the stone flour of the approximately 43wt% of coarse aggregate.Yet, these stone flours can only be used for the special-purposes such as pitch or bituminous concrete, and utilization rate is considerably less, therefore major part bury or the situation of piling up a lot, these garbage disposal problems become the essential factor that hinders artificial aggregate production, therefore the method for having developed the processing stone flour and having produced fine aggregate, applicable along with the method can obtain to reach a large amount of fine aggregate of the 35wt% of coarse aggregate.
The device that utilizes huge rock to produce aggregate has disintegrating machine (Crusher Plant) and sand machine processed (Sand Plant), and disintegrating machine is produced coarse aggregate by broken raw material, utilizes sand machine processed again this accessory substance of fragmentation be stone flour, and production fine aggregate.Utilize diversified crusher in crushing raw material in broken process, and when separating stone flour by repeatedly fragmentation and screening operation are produced the coarse aggregate of required specification.Stone flour below the specification that occurs in this process is fed to the sand machine processed of producing fine aggregate.
Sand machine processed utilizes the wet type manufacture method to produce fine aggregate mostly, when utilizing the sand crusher machine stone flour processed sand machine as processed in Ba Make (Barmac), utilizes vacuum to sieve and screens product.At this moment, in order to remove dust that produces etc. in the process of broken stone flour, carry out the work that water rinses, contain tiny sand composition (below be referred to as " rock fine sand ") in the mud that produces (below be referred to as " rock mud ") in this process, thereby therefore the problem that can cause contaminated environment when directly discharging need to carry out post processing.
For the rock mud that post processing produces, utilize power swirl-flow devices and sedimentation basin (Thickener) in above-mentioned fine aggregate production process.Above-mentioned power swirl-flow devices utilizes centrifugal force that the sand in rock mud is carried out classification and reclaims, and the rock mud of discharging from above-mentioned power swirl-flow devices is fed to sedimentation basin.At the drug ingredient that adds in above-mentioned sedimentation basin as coagulating agent or flocculant, thereby the rock fine sand is condensed and is precipitated, and utilizes filter press (Filter Press) that sediment is dewatered and makes rock sludge cake (Rock Sludge Cake).These sludge cakes can not regeneration, thereby can only bury or pile up, its generation is almost similar with the generation of fine aggregate in the process of producing fine aggregate, therefore is difficult to seek bury place or tip, and has the danger of the contaminated environment due to water seepage.
And the mud fine sand and the silt that are included in sludge cake are not both a kind of composition of great use, but can not fully use.Usually the fine powder in aggregate increases concrete water use amount, and becomes the essential factor that reduces concrete strength or durability, yet the rock fine sand strengthens concrete intensity by the fine powder effect, and is therefore very useful.And, when containing the fine powder of the 3-5wt% that has an appointment in concrete, can reduce bleeding, thereby have suitable viscosity, therefore reduce concrete material and separate, yet when the amount of fine powder surpasses 7wt%, keep the required water use amount of viscosity too much, cause concrete water bleeding when 2-3wt% is following, thus might the generating material segregation phenomenon, thus fillibility reduces and causes concrete surface coarse during due to construction.
In other words, sand equipment processed in the past, when producing rock mud in processing the fine aggregate production process, whole rock mud is carried out dewatering after medicine is processed again, so just can not fully reclaim the rock fine sand that is included in rock mud, thereby chemicals consumption is many, the amount of final sludge cake of discharging is also many, therefore garbage disposal is difficult, but also has the shortcoming that can not fully use rock fine sand useful when making concrete.
Summary of the invention
The present invention applies for for solving above-mentioned problem in the past, its purpose is to provide a kind of rock fine sand recovery device, be recovered in and carry out water treatment after wet type is produced the rock fine sand that comprises in the rock mud that produces in the process of fine aggregate, thereby when reducing the consumption of the chemicals that uses in water treatment procedure, can obtain useful rock fine sand.And the object of the invention is to provide a kind of rock fine sand recovery device, is recovered in the rock fine sand that comprises in rock mud, thereby reduces because medicine is processed the sedimentary amount that produces, thereby reduces the dehydration loading, and reduce mud cake generation.
To achieve these goals, rock fine sand recovery device of the present invention is characterized in that, comprising: cylinder body; The first hang plate is located at above-mentioned body interior obliquely, and the inwall of its lower end and above-mentioned body is spaced apart; The second hang plate is obliquely installed at the rightabout of above-mentioned body interior towards above-mentioned the first hang plate, and the inwall of its lower end and above-mentioned body and bottom surface are spaced apart; Conical hydroecium, its upper end is fixed on the upper end-face edge of above-mentioned body, and is provided with the hole of flowing out the rock fine sand in the lower end; The mud inflow pipe is located at the upside of above-mentioned body, and supplies rock mud towards the upside of above-mentioned the first hang plate; Overflow pipe is communicated with setting with the upper end of above-mentioned hydroecium, thereby discharges to sedimentation basin the water purification that is positioned at above-mentioned hydroecium upside; Discharge pipe is communicated with the opposition side of above-mentioned the second hang plate lower end, thereby discharges the rock fine sand of sedimentation.And, according to rock fine sand recovery device of the present invention, it is characterized in that, at the upside of above-mentioned hydroecium, also be provided with the baffler that is provided with the hole of the sagging curve form of central portion, above-mentioned overflow pipe is communicated with at the upside of above-mentioned baffler.And, according to rock fine sand recovery device of the present invention, it is characterized in that, also comprise: made in correspondence, be located at the bottom of above-mentioned hydroecium, and the rock fine sand that will go out by the orifice flow of above-mentioned hydroecium guides above-mentioned the second hang plate downside into, and have the bamboo hat shape; Inner guide piece is located at the inside of above-mentioned hydroecium, and guides the rock fine sand of sedimentation into above-mentioned hydroecium inwall side, and has the bamboo hat shape.
And, according to rock fine sand recovery device of the present invention, it is characterized in that, above-mentioned inner guide piece has the structure of arranging up and down two conical parts that are connected by support, and it is inner to be fixed on above-mentioned hydroecium by other support.And, according to rock fine sand recovery device of the present invention, it is characterized in that, above-mentioned hydroecium connects above-mentioned the first hang plate and arranges, and said external guide and support thereof connect above-mentioned the second hang plate and arrange.And, according to rock fine sand recovery device of the present invention, it is characterized in that, a plurality of above-mentioned mud inflow pipes are set in position spaced apart from each other, and the eddy generation due to the shock of the rock mud that flows into.
Description of drawings
Fig. 1 is that summary shows the pie graph according to rock fine sand recovery device of the present invention.
Fig. 2 is the perspective view of the outside part of incision rock fine sand recovery device of the present invention.
Fig. 3 is the reference figure of the mobile channel of rock fine sand in diagram rock fine sand recovery device of the present invention.
Fig. 4 be shown in the separated water of rock fine sand in rock fine sand recovery device of the present invention the discharge channel with reference to figure.
Reference numeral
10: 12: the second hang plates of 11: the first hang plates of body
13: made in correspondence 14: support 15: the mud inflow pipe
16: discharge pipe 20: hydroecium 21: hole
22: overflow pipe 23: inner guide piece 23a: conical part
23b, 23c: support 25: baffler
The specific embodiment
Below, illustrate referring to the drawings rock fine sand recovery device of the present invention as follows.
According to rock fine sand recovery device of the present invention such as Fig. 1 and shown in Figure 2, comprising: cylinder body 10; The first hang plate 11 be located at obliquely above-mentioned body 10 inside, and the inwall of its lower end and above-mentioned body 10 is spaced apart; The second hang plate 12, the rightabout in above-mentioned body 10 inside towards above-mentioned the first hang plate 11 is obliquely installed, and inwall and the bottom surface of its lower end and above-mentioned body 10 are spaced apart; Conical hydroecium 20, its upper end is fixed on the upper end-face edge of above-mentioned body 10, and is provided with hole 21 in the lower end; One baffler 25, it is located at the upside of above-mentioned hydroecium 20, and is provided with hole 25 ', and has the sagging curve form of central portion; Made in correspondence 13, it is located at the bottom of above-mentioned hydroecium 20, and will guide above-mentioned the second hang plate 12 downsides into by the rock fine sand that flow out in the hole 21 of above-mentioned hydroecium 20, and has the bamboo hat shape; Inner guide piece 23, it is located at the inside of above-mentioned hydroecium 20, and guides the rock fine sand of sedimentation into above-mentioned hydroecium 20 inwall sides, and has the bamboo hat shape; Mud inflow pipe 15, it is located at above-mentioned body 10 upsides, and supplies rock mud towards the upside of above-mentioned the first hang plate 11; Overflow pipe 22 in the setting that is communicated with of upside with the above-mentioned hydroecium 20 of above-mentioned baffler 25, thereby is discharged the water purification that is positioned at above-mentioned hydroecium 20 upsides to sedimentation basin; Discharge pipe 16 is communicated with the opposition side of above-mentioned the second hang plate 12 lower ends, thereby discharges the rock fine sand of sedimentation.
At this, above-mentioned hydroecium 20 connects above-mentioned the first hang plates 11 and arranges, and said external guide 13 with on above-mentioned hydroecium 20 fixedly 14, a plurality of supports of said external guide 13 connect above-mentioned the second hang plates 12 and arrange.And then above-mentioned inner guide piece 23 has up and down the structure of arranging by two connected conical part 23a of a plurality of support 23b, and is fixed on above-mentioned hydroecium 20 inside by being located in above-mentioned conical part 23a a plurality of other support 23c on any one.
The rock fine sand recovery device of the present invention that as above consists of after being separated in the rock fine sand and recovery that comprises in rock mud, is sent the water purification that only comprises micro-rock composition to sedimentation basin.Rock mud is fed to power swirl-flow devices (not shown) to be processed, and isolating fine aggregate for the first time, remaining rock mud is sent to sedimentation basin (not shown), utilize pump (not shown) pressure to carry this rock mud, and send body 10 inside to by mud inflow pipe 15.At this moment, when above-mentioned mud inflow pipe 15 was set more than two, the rock mud of inflow clashed into and eddy generation mutually, thereby easily separates the rock fine sand.Send the rock mud of above-mentioned body 10 inside to, move along the first hang plate 11 and the second hang plate 12, isolate the rock fine sand that is included in rock mud by this process.After the rock fine sand that separates flows out with the gap between above-mentioned body 10 inwalls by the lower end that is located at above-mentioned the first hang plate 11 and the second hang plate 12, along above-mentioned body 10 inwalls declines.At this moment, the rock mud that flows along above-mentioned the first hang plate 11 and the second hang plate 12 at the bottom of above-mentioned the first hang plate 11 or the second hang plate 12 and the inwall shock of above-mentioned body 10, thereby is completed the separation of rock fine sand smoothly.By the rock fine sand of said process from the separation of rock mud, by being connected to discharge pipe 16 discharges of above-mentioned body 10 lower ends, and the screen cloth by specific standard screen and with moisture from, the water that flows out from the bottom of screen cloth delivers to the power swirl-flow devices or sand machine processed recycles.Along with separating like this rock fine sand from rock mud, will filling water in above-mentioned body 10 inside.That is, because the diameter of above-mentioned discharge pipe 16 is less than the diameter of above-mentioned mud inflow pipe 15, thereby the water of not discharging by above-mentioned discharge pipe 16 fills up gradually.Accordingly, the hole 21 by hydroecium 20 flows to water in above-mentioned hydroecium 20 inside, and in the bottom of above-mentioned the first hang plate 11 residual air a little, thereby not exclusively fill up water in the inside of above-mentioned body 10.And, continue to flow through the rock mud that above-mentioned mud inflow pipe 15 flows on above-mentioned the first hang plate 11, so at first water be filled in the not above-mentioned hydroecium 20 of opposing.After this, after flow out in the hole 25 ' of the baffler 20 of the water that is filled in above-mentioned hydroecium 20 by being located at above-mentioned hydroecium 20 upsides, be fed to sedimentation basin by overflow pipe 22.
And, because the water that is filled in above-mentioned hydroecium 20 flows hardly, therefore there is no in time separation, and be included in the rock fine sand sedimentation slowly in the water of stagnating in water.After the rock fine sand of sedimentation moved along above-mentioned hydroecium 20 inner faces, flowed out in the hole 21 by the lower end, and be discharged to the bottom of above-mentioned the second hang plate 12 above the made in correspondence 13 that is positioned at above-mentioned hydroecium 20 bottoms.And, be deposited in the rock fine sand of above-mentioned hydroecium 20 inside, after the conical part 23a by dual structure moves to above-mentioned hydroecium 20 inwalls, discharge by hole 21.
On the other hand, reclaim the rock fine sand in the rock mud that does not have driven force swirl-flow devices as mentioned above to discharge, and as the rock fine sand that reclaims being fed to above-mentioned body 10 after in existing sludge cake, the sufficient water of mixing stirs in being included in sludge cake, the purposes that can be used as again the lignin-sludge cake is used.Yet, preferably, supply the liquid sludge cake in a plurality of mud inflow pipes at this moment, and supply common rock mud in remaining mud inflow pipe, thereby reduce the consumption of the water that adds.The preferred embodiments of the present invention more than have been described, but scope of the present invention is not limited to these specific embodiments, the people with the common knowledge of affiliated technical field can carry out suitable change in the scope of claims record of the present invention.
Rock fine sand recovery device of the present invention separates the rock fine sand that is included in rock mud and reclaims, therefore reduce the trickle composition of the water of releasing that is discharged to sedimentation basin as far as possible, thereby therefore medicine use amount when reducing water treatment significantly reduces the finally amount of the sludge cake of discharge.And, according to rock fine sand recovery device of the present invention, reclaim the high strength rock fine sand be included in rock mud and be used for making concrete, help concrete high strength, and the use amount of sand when reducing concrete for making.And, according to rock fine sand recovery device of the present invention, do not use external impetus, and the trickle composition of natural subsidence rock mud separates, therefore have the effect of spending hardly maintenance cost.
And, according to rock fine sand recovery device of the present invention, with the hydroecium top of the isolated filling water of baffler, and only supply the water purification that the orifice flow by central authorities goes out for sedimentation basin, therefore reduce to greatest extent the loading of sedimentation basin and dewater unit.
Claims (5)
1. a rock fine sand recovery device, is characterized in that, described rock fine sand recovery device comprises:
Cylinder body (10);
The first hang plate (11) be located at obliquely above-mentioned body (10) inside, and the inwall of its lower end and above-mentioned body (10) is spaced apart;
The second hang plate (12) be obliquely installed at the inner rightabout towards above-mentioned the first hang plate (11) of above-mentioned body (10), and inwall and the bottom surface of its lower end and above-mentioned body (10) is spaced apart;
Conical hydroecium (20), its upper end as the bottom surface of circular cone is fixed on the upper end of above-mentioned body (10), and is provided with the hole (21) of flowing out the rock fine sand in the lower end as the summit of circular cone;
Mud inflow pipe (15) is located at the upside of above-mentioned body (10), and supplies rock mud towards the upside of above-mentioned the first hang plate (11);
Overflow pipe (22) is communicated with setting with the upper end of above-mentioned hydroecium (20), thereby discharges to sedimentation basin the water purification that is positioned at above-mentioned hydroecium (20) upside;
Discharge pipe (16) is communicated in the lower end of described body (10) in the side opposite with a side of the main body (10) that is provided with above-mentioned the second hang plate (12) lower end, thereby discharges the rock fine sand of sedimentation,
Wherein, the upper end of described the first hang plate (11) is positioned at the downside of the mud inflow pipe (15) of body (10), the upper end of the lower surface of described the first hang plate (11) to described the second hang plate (12), conical hydroecium (20) connects the first hang plate (11) at the upside of the second hang plate (12).
2. rock fine sand recovery device according to claim 1, it is characterized in that, upside in above-mentioned hydroecium (20), also be provided with the baffler that is provided with hole (25 ') (25) of the sagging curve form of central portion, above-mentioned overflow pipe (22) is communicated with at the upside of above-mentioned baffler (25).
3. rock fine sand recovery device according to claim 1, is characterized in that, described rock fine sand recovery device also comprises:
Made in correspondence (13) is located at the bottom of above-mentioned hydroecium (20), and will guides above-mentioned the second hang plate (12) downside into by the rock fine sand that flow out in the hole (21) of above-mentioned hydroecium (20), and has the bamboo hat shape;
Inner guide piece (23) is located at the inside of above-mentioned hydroecium (20), and guides the rock fine sand of sedimentation into above-mentioned hydroecium (20) inwall side, and has the bamboo hat shape,
Wherein, the summit of made in correspondence (13) connects the second hang plate (12) and is positioned at the bottom of hole (21), its underrun support (14) and being spaced apart with the bottom surface of body (10),
Above-mentioned inner guide piece (23) has the structure of arranging up and down by connected two conical parts (23a) of support (23b), and be fixed on above-mentioned hydroecium (20) inside by other support (23c), and the summit of lower cone parts in the face of the bottom surface of upper cone parts the layout that superposes.
4. rock fine sand recovery device according to claim 3, is characterized in that, support (14) connects above-mentioned the second hang plate (12) and arranges.
5. rock fine sand recovery device according to claim 1, is characterized in that, a plurality of above-mentioned mud inflow pipes (15) are set in position spaced apart from each other, and the eddy generation due to the shock of the rock mud that flows into.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0056662 | 2010-06-15 | ||
| KR20100056662A KR100985277B1 (en) | 2010-06-15 | 2010-06-15 | Collection apparatus of rock silt by rock sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102284346A CN102284346A (en) | 2011-12-21 |
| CN102284346B true CN102284346B (en) | 2013-11-06 |
Family
ID=43134974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101657939A Expired - Fee Related CN102284346B (en) | 2010-06-15 | 2011-06-14 | Device for collecting fine sand of a rock |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4809502B1 (en) |
| KR (1) | KR100985277B1 (en) |
| CN (1) | CN102284346B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624393B (en) * | 2013-11-08 | 2017-09-12 | 中冶长天国际工程有限责任公司 | A kind of multilayer desliming thickener |
| CN108147642A (en) * | 2016-12-17 | 2018-06-12 | 新疆泰元水务科技服务有限公司 | Highly effective sludge concentration basin |
| RU170030U1 (en) * | 2016-12-26 | 2017-04-12 | Александр Павлович Малышев | SEPARATOR |
| CN108640709B (en) * | 2018-03-30 | 2021-03-05 | 广西华洋矿源材料有限公司 | Method for exploiting placer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1125829A1 (en) * | 1983-06-06 | 1987-07-30 | Иркутский политехнический институт | Device for disintegration and separation of sands with ball clay |
| CN2086633U (en) * | 1990-12-20 | 1991-10-16 | 衡阳市冶金矿山机械厂 | Cyclone re-selector |
| RU2232053C1 (en) * | 2003-02-25 | 2004-07-10 | Христосенко Владимир Сергеевич | Device for gravity concentration |
| CN1943867A (en) * | 2006-11-02 | 2007-04-11 | 曾兴民 | Gravity ore dressing method and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5653715A (en) * | 1979-10-06 | 1981-05-13 | Akae Kikai Kogyo Kk | Moving type sludge treating plant |
| JPS56113312A (en) * | 1980-02-14 | 1981-09-07 | Akae Kikai Kogyo Kk | Rotary drum type waste water treatment apparatus |
| JPS6168148A (en) | 1984-09-11 | 1986-04-08 | Masanao Hirose | Settling and separation apparatus |
| KR100421812B1 (en) | 2003-08-18 | 2004-03-11 | (주)거산기계 | Fractionate instrument of foreign substance |
| JP2006082004A (en) | 2004-09-15 | 2006-03-30 | Jfe Steel Kk | Treating method and apparatus of granular slag containing version |
| KR100955847B1 (en) | 2008-09-11 | 2010-05-04 | 황영규 | Sand unit contained minute sand recovering device |
-
2010
- 2010-06-15 KR KR20100056662A patent/KR100985277B1/en not_active IP Right Cessation
-
2011
- 2011-06-14 CN CN2011101657939A patent/CN102284346B/en not_active Expired - Fee Related
- 2011-06-14 JP JP2011131897A patent/JP4809502B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1125829A1 (en) * | 1983-06-06 | 1987-07-30 | Иркутский политехнический институт | Device for disintegration and separation of sands with ball clay |
| CN2086633U (en) * | 1990-12-20 | 1991-10-16 | 衡阳市冶金矿山机械厂 | Cyclone re-selector |
| RU2232053C1 (en) * | 2003-02-25 | 2004-07-10 | Христосенко Владимир Сергеевич | Device for gravity concentration |
| CN1943867A (en) * | 2006-11-02 | 2007-04-11 | 曾兴民 | Gravity ore dressing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4809502B1 (en) | 2011-11-09 |
| KR100985277B1 (en) | 2010-10-04 |
| CN102284346A (en) | 2011-12-21 |
| JP2012000611A (en) | 2012-01-05 |
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