KR20090016079A - Sand and gravel a manufacturing device - Google Patents

Sand and gravel a manufacturing device Download PDF

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Publication number
KR20090016079A
KR20090016079A KR1020070080462A KR20070080462A KR20090016079A KR 20090016079 A KR20090016079 A KR 20090016079A KR 1020070080462 A KR1020070080462 A KR 1020070080462A KR 20070080462 A KR20070080462 A KR 20070080462A KR 20090016079 A KR20090016079 A KR 20090016079A
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KR
South Korea
Prior art keywords
recycled aggregate
aggregate
screw
grinding
recycled
Prior art date
Application number
KR1020070080462A
Other languages
Korean (ko)
Inventor
권수길
이긍로
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권수길
이긍로
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Priority to KR1020070080462A priority Critical patent/KR20090016079A/en
Publication of KR20090016079A publication Critical patent/KR20090016079A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14—Details or accessories
    • B07B13/16—Feed or discharge arrangements

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

An apparatus of manufacturing recycled aggregate is provided to reduce disusing cost and prevent environmental destruction by recycling waste concrete or waste stone separated from construction waste, and to obtain recycled aggregate with high quality by removing paste adhered to the surfaces of the waste concrete or waste stone by passing the waste concrete or waste stone through crushing and grinding processes. An apparatus of manufacturing recycled aggregate comprises: a body(10) including an injection port(11) into which disused aggregate crushed to a predetermined size is injected, and a plurality of discharge ports(12) for discharging the recycled aggregate; a pair of rotary rolls(20) rotatably connected to a motor(30) to crush the disused aggregate injected into the injection port; a crushing screw(40) rotated within a transfer pipe(13) by receiving power of a motor(31) while transferring crushed recycled aggregate descending from the rotary rolls; spiral rotors formed on an outer peripheral surface of the crushing screw, and a plurality of crushing projections(131) formed on an inner surface of the transfer pipe and projected between the rotors; a grinder having different-sized grinding rods(51) mounted on a bottom part thereof and rotated in a grinding space(14) by receiving power of a motor(32); a separator(130) including a vibration screen(70) vibrated by an eccentricity shaft(331) of a motor(33) to separate the recycled aggregate after transferring recycled aggregate discharged through an outlet(53) of the grinder by a transfer screw(60) or a conveyor belt on which a plurality of buckets are formed; and a transfer screw(80) for transferring recycled aggregate separated from the vibration screen and discharged to the discharge ports.

Description

Sand and gravel a manufacturing device

The present invention relates to an apparatus for producing recycled aggregates, and more preferably, bricks, blocks, and waste concrete in construction wastes can be produced in a high quality recycled aggregate suitable for granularity and particle size conditions of aggregates in a short time. After crushing in two times, and peeling cement paste adhered to the surface while crushing in three times, it is for sorting the recycled aggregate of 25 mm or less in the aggregate selector.

Due to the development of the construction industry, the multi-unit housing and business buildings, which have been constructed so far, are gradually becoming obsolete. Due to the acceleration of urban development and the rapid expansion of redevelopment projects, construction waste is increasing rapidly. Accordingly, the waste of resources and land pollution due to the enormous amount of construction waste caused by the dismantling of old buildings is a big problem for society. Is emerging.

Therefore, in terms of eco-friendliness and recycling of resources, construction wastes generated when the construction and building structures are dismantled are collected in a predetermined place without being landfilled, and are produced with high quality resources through an intermediate treatment process. In particular, the utilization of the recycled aggregate obtained by crushing and screening the construction waste bricks, blocks and waste concrete is increasing significantly.

In order to manufacture recycled aggregates from the construction wastes as described above, first, the various wastes collected are shredded to a certain size using a jaw crusher or a hammer crusher, and then the rebar and scrap metal are separated by an electromagnet sorter. In addition, after separating and discharging various kinds of waste such as soil and waste wood by blowing and vibrating screen, the sorted aggregates are crushed to obtain various kinds of recycled aggregates suitable for the particle size through a sorting machine.

Many apparatuses for producing recycled aggregates for producing recycled aggregates have been developed. Among them, the "crushing device for producing recycled aggregate" disclosed in Utility Model Registration No. 20-0303119 is primarily crushed by a cylindrical crushing roller which rotates by interlocking recycled aggregates such as waste concrete lumps introduced through a hopper and crushed particles. After the secondary crushing with a cylindrical crushing roller again to produce a recycled aggregate of a suitable particle size, but because the crushing roller is formed as a drive gear to crush the aggregate, the wear of the drive gear is fast, of course, the parts must be replaced frequently, of course. There was a problem in that it is not possible to completely remove the cement paste attached to the surface of the aggregate to obtain a good aggregate. In addition, when aggregate is introduced between the driving gears, the driving gears that are engaged with each other have a lot of loads, so that there are many difficulties in crushing.

In addition, "Recycling aggregate production system using vertical impact mill for waste concrete crushing" disclosed in Korean Patent No. 632377, crushing aggregates and peeling the surface in the vertical impact mill, the aggregate over a certain size is again crushed by crusher In the system, the impact mill is equipped with a plurality of impact formed a rubber cap on the upper part of the rotating plate, the outer peripheral surface is attached to the inner lining of the cylindrical crushing aggregates injected into the upper part of the rotating plate hit the lining by centrifugal force At the same time, the mortar is peeled off between the rubber cap and the lining.

Therefore, there is a problem that the work efficiency is deteriorated due to the frequent failure of the impact mill because the structure is complicated, as well as crushing and peeling of the mortar occur simultaneously on the rotating plate.

The present invention was created in order to solve the above problems, the construction aggregates, bricks, blocks, and waste concrete is shredded in roughly 50mm or less in the jaw crusher, hammer crusher, etc., the waste aggregate supplied to the first crushing in the roller crusher After crushing and pulverizing to improve the particle size of the aggregate in the crushing screw over two times, and then separate the cement paste adhered to the surface while crushing the aggregate with a crusher formed with a plurality of grinding rods, and then the quality by type through the separation screen It is intended to separate and manufacture this excellent recycled aggregate.

In addition, the present invention aims to prevent environmental pollution by the dust generated while grinding the cement paste attached to the surface of the aggregate with a crusher to the dust collector.

In addition, it is an object of the present invention to install the size of the separation screen up, middle, and down to be able to separate the crushed and shredded recycled aggregates selectively or by type at the same time.

In addition, an object of the present invention is to form a moving roller at the bottom to move the main body equipped with a rotary roll, grinding screw, grinding machine and separation screen and at the same time to be fixed with a fixing key.

In addition, the present invention is to recycle the aggregate is introduced into the injection hole of the main body is intended to ensure a uniform amount is input while going through the horizontal level bar mounted on the top of the conveyor.

In addition, the present invention is intended to be mounted on the inside of the main body or the outside of the main body by detaching the separation device equipped with a transfer screw and separation screen for transporting to classify the recycled aggregates crushed and ground in the main body. will be.

Referring to the configuration of the present invention for achieving the above object based on the accompanying drawings as follows.

The present invention provides a main body 10 formed with a plurality of outlets 12 for discharging the recycled aggregates and the inlet 11 for inputting the recycled aggregates crushed to a certain size, and

A pair of rotary rolls 20 connected to and rotated with the motor 30 to crush the waste aggregate introduced into the inlet 11 of the main body 10,

A grinding screw 40 which is rotated by receiving the power of the motor 31 from the inside of the transfer pipe 13 so as to grind while transporting the recycled aggregate which is crushed and lowered by the pair of rotary rolls 20;

A plurality of grinding protrusions 131 formed on the inner surface of the transfer pipe 13 to protrude between the rotor 41 and the spiral rotor 41 formed as the outer circumferential surface of the grinding screw 40;

Induction screw 52 is mounted on the top to guide the recycled aggregate crushed by the grinding screw 40, the lower grinding rods 51 of different sizes to grind the cement paste and the angular portion attached to the surface Crusher 50 is mounted and rotated in the grinding space 14 receives the power of the motor 32,

Eccentricity of the motor 33 so that the recycled aggregate is crushed by the crusher 50 and discharged to the discharge port 53 can be transported to the conveyor belt 61 formed with a plurality of transfer screws 60 or buckets 62 and separated. Separator 130 is mounted with a vibrating screen 70 vibrating by the shaft 331,

The apparatus for producing recycled aggregates, comprising a transfer screw 80 for transferring the recycled aggregates separated from the vibrating screen 71 and discharged to the discharge port 12.

In addition, the present invention is an apparatus for producing recycled aggregates, characterized in that the horizontal level bar 120 is configured to be mounted on the upper portion of the input conveyor belt 110 to transfer the recycled aggregate to the inlet 11 of the main body 10. to provide.

In addition, the pair of rotary rolls 20 are formed on the outer circumferential surface of the convex and convex portions 21 and 22 having protrusions 212 and 223 alternately formed so that the convex and convex portions 21 and 22 are engaged with each other. At the same time to one side provides an apparatus for producing recycled aggregates, characterized in that the gap adjuster 23 is configured to adjust the gap.

In addition, the distal end portion of the grinding screw 40 to be transported in the transfer pipe 13 provides an apparatus for producing recycled aggregates, characterized in that the discharge screw 42 for pushing the pulverized recycled aggregate is configured.

In addition, it provides a manufacturing apparatus of the recycle aggregate, characterized in that the cyclone (100) for injecting the fine powder from the upper by injecting the blowing air generated in the blower 90 to the lower portion of the grinding space (14).

In addition, another vibration screen 70 that vibrates at the bottom of the vibration screen 70 vibrated by the eccentric shaft 331 of the motor 33 to separate the recycled aggregate transported to the transfer screw 60, It provides an apparatus for producing recycled aggregates, characterized in that the slide plate 72 is inclined beneath the vibrating screen (71).

In addition, the present invention provides an apparatus for producing recycled aggregates, characterized in that the moving roller 15 for moving the main body 10 and a fixing key 16 for fixing the moving roller 15 are configured.

In addition, the present invention is to produce a recycled aggregate, characterized in that configured to be mounted to the recycled aggregate separating apparatus 130 mounted inside the main body 10 to the foreign matter discharge port 17 formed to the outside of the main body 10 Provide the device.

According to the present invention, waste concrete or waste stone separated from construction waste can be recycled without being disposed of and used again in various construction sites, thereby preventing waste of waste and environmental destruction.

In addition, the present invention can be obtained by removing the paste adhered to the surface through the crushing and grinding process to obtain a good quality of the raw aggregates having excellent quality economical effect.

Hereinafter, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

Figure 1 shown in the present invention is roughly so as to obtain the recycled aggregate by separating the waste concrete or waste stones collected from the construction waste again by using a jaw crusher or a hammer crusher to crush the aggregate again to a certain size It is sectional drawing shown.

As described above, the recycled aggregate having a predetermined size, which is crushed by a jaw crusher or a hammer crusher, is transferred to the apparatus for producing recycled aggregate by using the input conveyor belt 110. At this time, the horizontal level bar 120 is mounted on the upper part of the input conveyor 110 to transport the recycled aggregate transported by the input conveyor 110 in a uniform amount so that the height of the recycled aggregate is uniformly conveyed. . As described above, an inlet 11 is formed in the upper portion of the main body 10 to inject the recycled aggregate transported on the input conveyor belt 110, and an outlet 12 for separating and discharging the recycled aggregate is formed at one side thereof. A plurality is formed.

As shown in FIG. 2, the recycled aggregate introduced into the inlet 11 of the main body 10 is rotated by the power of the motor 30 in order to crush the recycled aggregate having a predetermined size introduced into the inlet 11 to 25 mm or less. It is primarily crushed while passing through a pair of rotary rolls 20. One rotary roll 20 'of the pair of rotary rolls 20 is fixed, and the other rotary roll 20 " is provided with a gap adjuster 23 so as to be able to move horizontally. When the controller 23 is rotated forward, the gap is narrowed, and when the controller 23 is rotated backward, the gap is widened. The yaw 21 of the fixed rotation roll 20 'is horizontally rotated by the rotating roll 20'. The iron (22) of the interlocking portion is rotated while being interlocked with the recycled aggregate is introduced between the pair of rotary rolls (20). At this time, since the protrusions 213 and 223 are formed on the uneven surfaces 21 and 22 of the pair of rotary rolls 20, the crushing is performed smoothly.

The recycled aggregate crushed while passing through a pair of rotary rolls 20 as described above, the grinding screw 40 is rotated by receiving the power of the motor 31 while being transferred to the transfer pipe 13, By crushing and pulverization is carried out in two steps.

The recycled aggregate which is transported to the transfer pipe 13 along the rotor 41 and the rotor 41 of the grinding screw 40 rotates inside the transfer pipe 13 and at the same time on the inner surface of the transfer pipe 13. Crushing and pulverizing is made while hitting the crushing projection 131 is formed a plurality. As such, the recycled aggregate is secondaryly crushed and crushed. The recycled aggregate crushed and crushed by the transfer pipe 13 is discharged forward by the discharge screw 42 formed at the end of the grinding screw 40.

As shown in Figure 4, the recycled aggregate discharged from the horizontally formed transfer pipe 13 is moved vertically to the grinding mill 50 which is rotated by receiving the power of the motor 32 while falling vertically. The recycled aggregate transported to the crusher 50 is guided to the grinding space 14 along the guide screw 52 formed at the tip of the crusher 50, and a plurality of grinding rods 51 formed on the outer circumferential surface of the crusher 50. Crushed by At this time, the grinding rods 51 are formed to have different lengths to completely grind the cement paste attached to the surface of the recycled aggregate through a multi-step.

As described above, the fine dust generated when the paste attached to the surface of the recycled aggregate is separated by the crusher 50 is crushed by the air flowing into the blower 90 mounted at the bottom of the crusher 50. By transporting to the cyclone (100) mounted on the top to prevent the fine powder is not leaked to the outside to prevent environmental pollution in advance. And the foreign matter generated while being crushed by the crusher 50 is discharged on the inclined surface of the foreign matter discharge port 17.

The recycled aggregate crushed by the crusher 50 is again discharged through the outlet 53 and at the same time as shown in Figure 5, the transfer screw 60, the vibration screen 70, 71 and the slide plate 72 Transfer to the mounted separator 130. That is, the recycled aggregate is transferred upward by the vertically formed transfer screw 60.

The recycled aggregate transported by the conveying screw 60 is transferred to the vibration screen 70 vibrating up and down by the eccentric shaft 331 which is rotated by the power of the motor 33, and reproduces smaller than the size of about 25mm. Aggregate is discharged through a plurality of perforations through the vibrating screen 70, and the recycled aggregate of about 25mm is transported along the vibrating screen 70 to be discharged to the discharge port 12 and seated on the transfer screw 80 at the same time to load the recycled aggregate Will be transported to the place.

The recycled aggregate of 25 mm or less discharged through a plurality of perforated holes in the vibrating screen 70 as described above is transported by vibrating the vibrating screen 71 vibrated by the eccentric shaft 331 of the motor 33. The recycled aggregate is discharged into a plurality of perforated holes on the surface of the vibrating screen 71 and the recycled aggregate of 5 mm or more and 25 mm or less is discharged to the discharge port 12 and is seated on the transfer screw 81 to be transferred to the recycled aggregate loading place. .

In addition, the recycled aggregate of 5 mm or less discharged through a plurality of perforated holes in the vibrating screen 71 is transported along the inclined slide plate 72 to be discharged to the discharge port 12 and seated on the transfer screw 82 at the same time. It is transferred to the loading place.

In addition, the moving roller 15 is mounted on the lower part of the main body 10 so as to move the apparatus for producing recycled aggregates in the field, and a fixing key 16 for fixing after moving the main body 10 is also mounted. have.

And, as shown in Figure 6, as a separation device 103 of another embodiment of the present invention, a method for transferring the crushed and pulverized recycled aggregate to the separation screen 70 instead of the previously installed transfer screw 60 It is also possible to transfer the recycled aggregate by the conveyor belt 61 is rotated by a plurality of buckets (62).

In addition, the present invention has been described by mounting the separation device 130 for transporting and separating the crushed and pulverized recycled aggregate inside the main body 10 in the above embodiment, according to the site conditions By connecting the transfer screw 60 or the conveyor belt 61 of the separation device 130 to the foreign matter discharge port 17 for discharging the foreign matter to the outside of the main body 10 may be produced by separating the recycled aggregate by type. At this time, the blower pipe discharged from the blower 90 is also moved to the left and right to install the fine powder to inject the cyclone (100).

In addition, when the separation device 130 is connected to the foreign matter discharge port 17, foreign matters may be discharged to the recycled aggregate discharge port 53 formed inside the main body 10. In addition, the lower portion of the separation device 130, the moving roller 151 is mounted to facilitate the transport, the moving roller 151 is formed to be adjustable in height so that the height can be fitted to the main body 10 Consists of.

The present invention is to recycle the recycled aggregates obtained by crushing and crushing the waste concrete or waste stone from the construction wastes generated in various construction sites to the aggregate that meets the specifications of the construction site to be used as construction waste, It can prevent environmental pollution and save resources.

1 is a cross-sectional view schematically showing an apparatus for producing recycled aggregate of the present invention.

Figure 2 is a perspective view schematically showing a pair of rotary rolls mounted inside the main body of the present invention.

Figure 3 is a cut-away cross-sectional view showing a grinding screw mounted to the conveying pipe inside the main body of the present invention.

4 is a cross-sectional view showing a grinding machine mounted inside the main body of the present invention.

Figure 5 is a cross-sectional view showing a separation device mounted inside the main body of the present invention.

6 is a cross-sectional view of yet another embodiment of a separation device mounted inside the main body of the present invention.

7 is a cross-sectional view of an embodiment in which a separation device mounted inside the main body of the present invention is mounted outside the main body.

* Explanation of symbols on the main parts of the drawings

10. Main Unit 11. Inlet

12. Outlet 13. Transfer pipe

14. Grinding space 15. Moving roller

16. Locking key 17. Foreign substance outlet

20. Rolling roll 21, 22. Unevenness

23. Spacing 30, 31, 32, 33. Motor

40. Grinding screw 41, rotor

42. Discharge screw 50. Crusher

51. Grinding rods 52. Guide screws

53. Outlet 60, 80, 81, 82. Feed screw

61. Conveyor Belt 62. Bucket

70, 71.Vibration screen 72, slide plate

90. Blower 100. Cyclone

110. Input conveyor 120. Horizontal level bar

130. Separator 131. Grinding protrusion

212, 213. Protrusion 331. Eccentric shaft

Claims (8)

A main body 10 having a plurality of inlets 11 for injecting recycled aggregate crushed into a predetermined size and a plurality of outlets 12 for discharging the recycled aggregate; A pair of rotary rolls 20 connected to and rotated with the motor 30 to crush the waste aggregate introduced into the inlet 11 of the main body 10, A grinding screw 40 which is rotated by receiving the power of the motor 31 from the inside of the conveying pipe 13 so as to grind while transporting the recycled aggregate which is crushed and lowered by the pair of rotary rolls 20; A plurality of grinding protrusions 131 formed on the inner surface of the transfer pipe 13 to protrude between the rotor 41 and the spiral rotor 41 formed as the outer circumferential surface of the grinding screw 40; Induction screw 52 is mounted on the top to guide the recycled aggregate crushed by the grinding screw 40, the lower grinding rods 51 of different sizes to grind the cement paste and the angular portion attached to the surface Crusher 50 is mounted and rotated in the grinding space 14 receives the power of the motor 32, Eccentricity of the motor 33 so that the recycled aggregate is crushed by the crusher 50 and discharged to the discharge port 53 can be transported to the conveyor belt 61 formed with a plurality of transfer screws 60 or buckets 62 and separated. Separator 130 is mounted with a vibrating screen 70 vibrating by the shaft 331, Separating device from the vibrating screen 71, characterized in that it comprises a transfer screw 80 for transferring the recycled aggregate discharged to the discharge port (12). The method of claim 1, Apparatus for producing recycled aggregates, characterized in that the horizontal level bar 120 is configured to be mounted on the upper portion of the input conveyor (110) for transferring the recycled aggregate to the inlet (11) of the main body (10). The method of claim 1, The pair of rotary rolls 20 are formed on the outer circumferential surface of the convex and convex portions 21 and 22 having protrusions 212 and 223 alternately formed thereon so that the concave and convex portions 21 and 22 are engaged with each other. The apparatus for producing recycled aggregates, characterized in that configured as a gap controller 23 capable of adjusting the gap. The method of claim 1, The distal end of the grinding screw 40 to be transported in the transfer pipe 13, the production apparatus of the recycled aggregate, characterized in that the discharge screw 42 for pushing the pulverized recycled aggregate is configured. The method of claim 1, Apparatus for producing recycled aggregates, characterized in that the cyclone (100) for injecting the fine particles from the upper by injecting the blowing air generated in the blower (90) to the lower portion of the grinding space (14). The method of claim 1, Another vibrating screen 70 vibrating under the vibrating screen 70 vibrating by the eccentric shaft 331 of the motor 33 to separate the recycled aggregate transported to the transfer screw 60, and the vibration Apparatus for producing recycled aggregates, characterized in that the slide plate 72 is inclined to the lower portion of the screen (71). The method according to claim 1 or 2, Apparatus for producing recycled aggregates, characterized in that the moving roller 15 for moving the main body 10 and a fixing key 16 for fixing the moving roller 15 is configured. The method according to claim 1 or 2, Apparatus for producing recycled aggregate, characterized in that configured to be mounted to the recycled aggregate separating apparatus 130 mounted on the inside of the main body 10 to the foreign matter discharge port 17 formed to the outside of the main body (10).
KR1020070080462A 2007-08-10 2007-08-10 Sand and gravel a manufacturing device KR20090016079A (en)

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KR101135923B1 (en) * 2011-10-26 2012-04-13 대흥에코 주식회사 Peeling apparatus for recycling aggregate by gravity, kinetic energy by spinning and friction energy
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CN104014404A (en) * 2014-06-09 2014-09-03 雍自玲 Small-sized stone crushing device
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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101135923B1 (en) * 2011-10-26 2012-04-13 대흥에코 주식회사 Peeling apparatus for recycling aggregate by gravity, kinetic energy by spinning and friction energy
KR101494819B1 (en) * 2012-07-20 2015-02-23 이상철 A Recycling aggregate collect equipment of waste concrete and manufacture method there of
KR101309573B1 (en) * 2013-08-02 2013-09-17 권중배 Processing appratus for natural gravel
CN104014404A (en) * 2014-06-09 2014-09-03 雍自玲 Small-sized stone crushing device
CN107530706A (en) * 2016-03-12 2018-01-02 徐帆 A kind of industrial chemicals extrudes agitating device
CN107552142A (en) * 2017-09-29 2018-01-09 高佳盛 A kind of carbon dust production grading crushing device
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CN109653206A (en) * 2018-12-27 2019-04-19 上海海事大学 A kind of concrete conveying device
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CN111992287A (en) * 2020-06-24 2020-11-27 湖州吴兴花果山矿山机械有限公司 Impurity removal mechanical equipment for mine exploitation
CN111871522A (en) * 2020-07-24 2020-11-03 中鼎国际工程有限责任公司 Environment-friendly exterior wall cladding doped with construction waste and preparation method thereof
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CN112138992A (en) * 2020-08-28 2020-12-29 湖南新食康农业发展有限公司 A screening plant for sweet potato vermicelli processing
CN112246413A (en) * 2020-10-19 2021-01-22 湘乡市旺达输送设备制造有限公司 Stone crusher discharge gate with automatic filtration function
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CN112588369A (en) * 2020-12-17 2021-04-02 唐辉 Fungus mushroom is cultivated and smashes equipment with raw and other materials
CN113117851A (en) * 2021-04-13 2021-07-16 张龙凡 Graphene anode material preparation device
CN113117851B (en) * 2021-04-13 2022-09-13 重庆博森电气（集团）有限公司 Graphene anode material preparation device
CN113617647A (en) * 2021-10-12 2021-11-09 海门晟宇新材料科技有限公司 Raw materials sieving mechanism is used in synthetic material preparation
CN113617647B (en) * 2021-10-12 2022-01-18 海门晟宇新材料科技有限公司 Raw materials sieving mechanism is used in synthetic material preparation
CN114289290A (en) * 2021-12-06 2022-04-08 刘跃平 Live birds is raised and uses fodder screening processingequipment
CN114870959A (en) * 2022-06-01 2022-08-09 安徽顺心家居科技有限公司 Furniture is reducing mechanism for production waste with dust removal structure
CN114870959B (en) * 2022-06-01 2023-08-25 安徽顺心家居科技有限公司 Reducing mechanism for furniture production waste material with dust removal structure
CN116273418A (en) * 2023-03-22 2023-06-23 浙江华贸建设有限公司 Construction waste treatment method and device
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