CN211051650U - Screening system is smashed to metallurgical dirt mud of high rate of recovery - Google Patents

Screening system is smashed to metallurgical dirt mud of high rate of recovery Download PDF

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Publication number
CN211051650U
CN211051650U CN201921549319.4U CN201921549319U CN211051650U CN 211051650 U CN211051650 U CN 211051650U CN 201921549319 U CN201921549319 U CN 201921549319U CN 211051650 U CN211051650 U CN 211051650U
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China
Prior art keywords
magnetic separation
crushing
guide plate
guide
recovery
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CN201921549319.4U
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Chinese (zh)
Inventor
欧钱江
强雄召
王端祥
吴家骥
成振宏
毛协民
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Shanghai Environmental Protection Co., Ltd
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Shanghai Kuangcai Environmental Protection Development Co ltd
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Abstract

The utility model discloses a screening system is smashed to metallurgical dirt mud of high rate of recovery belongs to resource recovery equipment's technical field. The utility model discloses a be equipped with including the casing that has feed inlet and discharge gate, inside from top to bottom of casing is equipped with one-level crushing structure, separation magnetic separation structure, second grade crushing structure, buffering guide structure and first magnetic separation conveyer belt in proper order, utilize twice to smash and smash metallurgical dirt mud and smash demand size grade, realize high-efficient and abundant crushing effect and then improve the iron oxide volume in its magnetic separation waste residue greatly, buffering guide structure cushions and reaches and love you lower dust formation volume just, separation magnetic separation structure and first magnetic separation conveyer belt filter the magnetic separation of magnetic separation and secondary powder to the first powder respectively, avoid the iron oxide granule that is mingled with in smashing the material to be neglected, and then further improve the rate of recovery of iron oxide.

Description

Screening system is smashed to metallurgical dirt mud of high rate of recovery
Technical Field
The utility model relates to a resource recovery equipment's technical field especially relates to a screening system is smashed to metallurgical dirt mud of high rate of recovery.
Background
After the metallurgical dust and mud are roasted, a large amount of ferric oxide components are remained in the silicate, and in order to fully utilize the metal recovery in the metallurgical dust and mud, the metallurgical dust and mud is crushed and magnetically separated to obtain internal ferric oxide components. The current magnetic separation work of carrying out after being smashed to smashing is handled to smashing the magnetic separation, but often appear slipping in garrulous blade department when smashing, and then appear blockking up easily, most only can not smash the particle size that silicate to needs through once smashing simultaneously and cause inside still remaining iron oxide composition to cause the waste of resource, still a small number is through smashing many times, but the magnetic separation conveyer belt advances and can't separate the iron oxide maximize with smashing the material syntropy removal, influence the rate of recovery of iron oxide, the dust volume is more simultaneously, it also is taken away thereupon to remain iron oxide composition in the dust, if use air extraction equipment to cause air extraction equipment's damage easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough among the prior art, so provide a screening system is smashed to metallurgical dirt mud of high rate of recovery, utilize twice to smash metallurgical dirt mud to reasonable ground size fraction, still reduce the dust volume simultaneously and generate and carry out many times the iron oxide in the magnetic separation crushed aggregates, realize fully improving the iron oxide rate of recovery in the metallurgical dirt mud.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a metallurgy dust and mud crushing and screening system with high recovery rate comprises a shell with a feed inlet and a discharge outlet, wherein a primary crushing structure, a separation magnetic separation structure, a secondary crushing structure, a buffering guide structure and a first magnetic separation conveying belt are sequentially arranged in the shell from top to bottom,
the primary crushing structure and the secondary crushing structure both comprise a rotating shaft and a first motor, the rotating shaft is provided with two rotating shafts in parallel, the same end of the two rotating shafts is provided with a gear, the two gears are meshed, the two rotating shafts are fixedly connected with crushing barrels, the crushing barrels are uniformly provided with blades and extrusion plates, the output end of the first motor is fixedly connected with one rotating shaft,
the separation magnetic separation structure is obliquely arranged between the primary crushing structure and the secondary crushing structure, one end of the separation magnetic separation structure is close to the primary crushing structure, the other end of the separation magnetic separation structure is close to the secondary crushing structure,
the buffer guide structure is arranged right below the secondary crushing structure and comprises a guide piece and an elastic piece, the guide piece is connected to the inner wall of the shell through the elastic piece,
first magnetic separation conveyer belt slope sets up, the below of first magnetic separation conveyer belt is equipped with first scraper blade and first collection storehouse, first magnetic separation conveyer belt passes through the belt drive with the first motor of second grade crushing structure and is connected, the one end of first magnetic separation conveyer belt is higher than the other end and is located the bottom of guide, is located be equipped with first magnetic separation cylinder between the first magnetic separation conveyer belt of guide and the shells inner wall, first magnetic separation cylinder passes through the belt drive with the first motor of second grade crushing structure and is connected, the below of first magnetic separation cylinder is equipped with the second and collects storehouse and separate the scraper blade, the other end of first magnetic separation conveyer belt is less than and is located the discharge gate top.
Further, separation magnetic separation structure includes filter, swing unit and second magnetic separation conveyer belt, the one end of filter is rotated and is connected on shells inner wall, the other end of filter passes through the swing unit and is connected with the casing, the slope of second magnetic separation conveyer belt sets up in the below of filter, second magnetic separation conveyer belt passes through the belt drive and is connected with the first motor of one-level crushing structure, the direction of transfer of second magnetic separation conveyer belt makes progress, the bottom of second magnetic separation conveyer belt is equipped with second scraper and third and collects the storehouse.
Further, separation magnetic separation structure still includes second magnetic separation cylinder and stock guide, second magnetic separation cylinder sets up between casing and second magnetic separation conveyer belt, first magnetic separation cylinder is connected with second magnetic separation conveyer belt transmission, the stock guide sets up between second magnetic separation cylinder and shells inner wall, the one end and the laminating of second magnetic separation cylinder outer peripheral face of stock guide, the other end of stock guide runs through the outside that the casing part extends to the casing.
Furthermore, the swing unit comprises a second motor and a cam, the second motor is fixedly mounted on the shell, the cam is fixedly connected to an output shaft of the second motor, a connecting rod is connected to the cam in a rotating mode, and one end, far away from the cam, of the connecting rod is connected to the filter plate in a rotating mode.
Furthermore, the blades on the two crushing cylinders are meshed with each other, and the extrusion plates on the two crushing cylinders are meshed with each other.
Furthermore, the guide part comprises a first guide plate and a second guide plate, the first guide plate is obliquely arranged below the secondary crushing structure, the second guide plate is fixedly connected to the first guide plate and forms a Y-shaped structure with the first guide plate, and one end, close to the first guide plate, of the second guide plate is arranged in an open mode.
Furthermore, elastic damping layers are arranged on the first guide plate and the second guide plate.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model discloses in be equipped with blade and the stripper bar of interlock in one-level crushing structure and the second grade crushing structure that is equipped with, utilize the stripper bar to extrude metallurgical dirt mud to blade department realization crushing effect before broken, solve the jam that metallurgical dirt mud skids easy appearance in the blade top, utilize twice to smash and smash metallurgical dirt mud and smash demand size grade, realize high-efficient and abundant crushing effect and then improve the iron oxide volume in its magnetic separation waste residue greatly. Utilize the separation magnetic separation structure that the slope set up to filter and the magnetic separation the crushing material after smashing for the first time, the second magnetic separation conveyer belt that utilizes the slope carries out opposite motion with the crushing material after filtering, the area carries out the magnetic separation to the crushing material after smashing for the second time and the crushing material after the first magnetic separation carries out magnetic separation once more and makes the recovery volume maximize of its iron oxide, utilize first magnetic separation cylinder to carry out the secondary magnetic separation along with the crushing material of iron oxide motion with the mistake or the crushing material that is mingled with between the iron oxide powder simultaneously, avoid mingling with the iron oxide granule in smashing the material and neglect, and then further improve the rate of recovery of iron oxide.
2. The utility model discloses in be equipped with separation magnetic separation structure and include the filter, the swing unit, second magnetic separation conveyer belt, second magnetic separation cylinder and stock guide, utilize the swing unit to realize the filter to swing and carry out high-efficiently filtering and carry out the regrinding in falling to the regrinding structure with unqualified grain size granule, still have the shock attenuation effect simultaneously and realize the inside dust formation volume greatly reduced of casing, because the effect of powder gravity and falling speed after filtering, the second magnetic separation conveyer belt that utilizes the slope carries out opposite movement with the crushing material after filtering, realize retrieving iron oxide powder crushed aggregates high-efficiently, utilize second magnetic separation cylinder to carry out the secondary magnetic separation with the crushing material of mistake along with the iron oxide motion or the crushing material that is mingled with between the iron oxide powder simultaneously, avoid being mingled with the iron oxide granule in the crushing material, and then further improve the rate of recovery of iron oxide.
3. The utility model discloses well buffering guide structure includes guide and elastic component, and the guide includes first deflector and second deflector, utilizes first deflector and second deflector to constitute Y shape structure under the effect of elastic component to the material after the regrinding with the crushing material after the first magnetic separation cushion and realize making the inside dust volume greatly reduced of its casing, and then further improve the rate of recovery of iron oxide.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a connection relationship diagram of the two-stage pulverizing structure, the first magnetic separation drum and the first magnetic separation conveyor belt;
FIG. 3 is a connection relationship diagram of the primary crushing structure, the second magnetic separation drum and the second magnetic separation conveyor belt;
fig. 4 is the overall structure schematic diagram of the magnetic separation structure for medium separation of the utility model.
In the figure: 1. a housing; 2. a primary crushing structure; 3. a secondary crushing structure; 4. a first magnetic separation conveyor belt; 41. a first collection bin; 42. a first magnetic separation drum; 43. a second collection bin; 5. A rotating shaft; 6. a first motor; 7. a gear; 8. a crushing cylinder; 9. a blade; 10. a pressing plate; 11. a guide member; 12. an elastic member; 13. a filter plate; 14. a second magnetic separation conveyor belt; 15. A third collection bin; 16. a second magnetic separation drum; 17. a material guide plate; 18. a second motor; 19. a cam; 20. a connecting rod; 21. a first guide plate; 22. a second guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
as shown in figures 1 to 4, a high recovery rate metallurgy dust and mud crushing and screening system comprises a shell 1 with a feeding port and a discharging port, wherein a primary crushing structure 2, a separation magnetic separation structure, a secondary crushing structure 3, a buffer guide structure and a first magnetic separation conveyor belt 4 are sequentially arranged in the shell 1 from top to bottom,
one-level crushing structure 2 and second grade crushing structure 3 all include pivot 5 and first motor 6, 5 parallels in pivot are equipped with two, the left end of two pivots 5 all is equipped with gear 7, two gear 7 mesh mutually, equal fixedly connected with crushing section of thick bamboo 8 in two pivots 5, evenly be equipped with blade 9 and stripper plate 10 on the crushing section of thick bamboo 8, utilize stripper plate 10 to extrude metallurgical dirt mud to blade 9 department and then smash metallurgical dirt mud under the rotation of crushing section of thick bamboo 8, the output of first motor 6 and 5 fixed connection of one of them pivot.
The slope of separation magnetic separation structure sets up between one-level crushing structure 2 and second grade crushing structure 3, and the one end of separation magnetic separation structure is close to one-level crushing structure 2, and the other end of separation magnetic separation structure is close to second grade crushing structure 3, utilizes the slope of separation magnetic separation structure to set up the magnetic separation that screens the grade and iron oxide in the silicate for the first time with the waste residue material of smashing for the first time.
Buffering guide structure sets up under second grade crushing structure 3, buffering guide structure is guide 11 and elastic component 12, guide 11 passes through elastic component 12 and connects on the 1 inner wall of casing, utilize the crushing material after buffering guide structure will first magnetic separation to cushion (under the effect of elastic component 12) and lead to and carry out the secondary magnetic separation on first magnetic separation conveyer belt 4, improve the rate of recovery of iron oxide, reduce the generation of dust volume simultaneously, and then stay the inside of casing 1 and then realize the rate of recovery that the iron oxide is bigger with a large amount of dust.
First magnetic separation conveyer belt 4 slope sets up, the below of first magnetic separation conveyer belt 4 is equipped with first scraper blade and first collection storehouse 41, first magnetic separation conveyer belt 4 is connected through the belt drive with second grade crushing structure 3's first motor 6, the one end of first magnetic separation conveyer belt 4 is higher than the other end and is located the bottom of guide 11, be located and be equipped with first magnetic separation cylinder 42 between guide 11's first magnetic separation conveyer belt 4 and the 1 inner wall of casing, first magnetic separation cylinder 42 is connected through the belt drive with second grade crushing structure 3's first motor 6, the below of first magnetic separation cylinder 2 is equipped with the second and collects storehouse 43 and separate the scraper blade (strike off and separate crushed aggregates and iron oxide to the iron oxide after the magnetic separation), the other end of first magnetic separation conveyer belt 4 is less than and is located the discharge gate top. Utilize the second magnetic separation conveyer belt 4 of slope to carry out opposite movement with the crushing material after filtering, the area carries out the magnetic separation once more to the crushing material after the second time carries out magnetic separation and the crushing material after the first magnetic separation makes the recovery volume maximize of its ferric oxide, utilize first magnetic separation cylinder 42 to carry out the secondary magnetic separation to the crushing material that will miss along with the ferric oxide motion or the crushing material that is mingled with between the ferric oxide powder simultaneously, avoid mingling with the ferric oxide granule in crushing material neglect, and then further improve the rate of recovery of ferric oxide.
The blades 9 on the two crushing cylinders 8 are meshed with each other, the extrusion plates 10 on the two crushing cylinders 8 are meshed with each other, and metallurgical dust and mud are crushed by means of meshing and are not easy to block.
Guide 11 includes first deflector 21 and second deflector 22, first deflector 21 slope sets up in the below of second grade crushing structure 3, second deflector 22 fixed connection on first deflector 21 and with first deflector 21 constitution Y shape structure, second deflector 22 is close to the one end of first deflector 21 and is open setting, first deflector 21 carries out the secondary magnetic separation with the powder of second grade crushing structure 3 and the powder after will first magnetic separation and then improves the rate of recovery of its iron oxide.
Elastic shock-absorbing layers are arranged on the first guide plate 11 and the second guide plate 11, and therefore the generation of dust amount is further reduced.
Further preferred scheme in this embodiment, separation magnetic separation structure includes filter 13, swing unit and second magnetic separation conveyer belt 14, the one end of filter 13 is rotated and is connected on the 1 inner wall of casing, the other end of filter 13 passes through swing unit and is connected with casing 1, filter 13 passes through swing unit and connects on the 1 inner wall of casing, the slope of second magnetic separation conveyer belt 14 sets up in the below of filter 13, second magnetic separation conveyer belt 14 passes through the belt drive and is connected with first motor 6 of one-level crushing structure 2, the direction of transfer of second magnetic separation conveyer belt 14 is upwards, the bottom of second magnetic separation conveyer belt 14 is equipped with second scraper and third and collects storehouse 15. The powder receives gravity and then moves downwards and form opposite ground, and then guarantees the magnetic separation rate of recovery of iron oxide in the powder, utilizes the swing unit to swing filter 13 and then realize high-efficient the filtering with first kibbling material, can also effectively reduce the dust that causes by the impact force simultaneously to the maximize improves the iron oxide rate of recovery.
In this embodiment, further preferred scheme, the swing unit includes second motor 18 and cam 19, second motor 18 fixed mounting is on casing 1, cam 19 fixed connection is on the output shaft of second motor 18, it is connected with connecting rod 20 to rotate on the cam 19, the one end that cam 19 was kept away from to connecting rod 20 rotates and connects on filter 13, utilize second motor 18 to drive cam 19 and rotate, connecting rod 20 carries out the filter 13 and rotates from top to bottom and then realizes realizing the shock attenuation effect effectively to the powder after smashing for the first time, the work of reducing the dust volume of generating is accomplished, still carry out high-efficient filtration with the powder after smashing for the first time simultaneously and carry out the screening of grain size.
Example 2:
as shown in fig. 1, on the basis of embodiment 1, it is further preferable that the separation and magnetic separation structure further includes a first magnetic separation drum 16 and a material guide plate 17, the first magnetic separation drum 16 is disposed between the casing 1 and the second magnetic separation conveyor belt 14, the first magnetic separation drum 16 is in belt transmission connection with the second magnetic separation conveyor belt 14, the material guide plate 17 is disposed between the first magnetic separation drum 16 and the inner wall of the casing 1, one end of the material guide plate 17 is attached to the outer peripheral surface of the first magnetic separation drum 16, and the other end of the material guide plate 17 penetrates through the casing 1 and partially extends to the outside of the casing 1. The first magnetic separation roller 16 is used for screening the powder which is mixed between the iron oxide powder after the first magnetic separation or moves to the inner wall of the shell 1 along with the iron oxide powder again, so that the recovery rate of the iron oxide is further improved.
The utility model discloses a theory of operation: firstly, adding metallurgical dust and mud into a primary crushing structure 2, utilizing a first motor 6 to drive a rotating shaft 5 to rotate so as to drive a crushing cylinder 8 to rotate, the extrusion plate 10 extrudes the material to the blade 9 for crushing treatment, the material after primary crushing falls onto the filter plate 13, because first motor 6 drives cam 19 and rotates and then carry out reciprocating motion from top to bottom with filter 13 and carry out high-efficient filtration and to the first effective shock attenuation effect greatly reduced dust yield of crushed aggregates, the useless crushed aggregates that does not reach reasonable size fraction after the filtration fall to carry out the regrinding in second grade crushing structure 3, the powder of the up to standard size fraction after the filtration carries out opposite motion on second magnetic separation conveyer belt 14 and realizes high-efficient ground rate of recovery, second magnetic separation cylinder 16 carries out under the drive of first motor 6 and screens the rate of recovery that further improves the iron oxide once more to the powder that is mingled with between the iron oxide powder or removes to casing 1 inner wall along with the iron oxide powder. The grade that needs the regrinding is smashed in second grade crushing structure 3 and is fallen to first deflector 21 on, and the qualified grade after first magnetic separation falls to second deflector 22 and gathers at last and carry out the magnetic separation on first magnetic separation conveyer belt 4, and first magnetic separation cylinder 42 is carried out the screening once more and is further improved the rate of recovery of iron oxide to the powder that is mingled with between the iron oxide powder or moves to casing 1 inner wall along with the iron oxide powder.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.

Claims (7)

1. A metallurgy dust and mud crushing and screening system with high recovery rate comprises a shell (1) with a feeding port and a discharging port, and is characterized in that a primary crushing structure (2), a separation magnetic separation structure, a secondary crushing structure (3), a buffering guide structure and a first magnetic separation conveying belt (4) are sequentially arranged in the shell (1) from top to bottom,
the primary crushing structure (2) and the secondary crushing structure (3) both comprise a rotating shaft (5) and a first motor (6), the rotating shaft (5) is provided with two rotating shafts (5) in parallel, the same end of each rotating shaft (5) is provided with a gear (7), the two gears (7) are meshed, the two rotating shafts (5) are fixedly connected with crushing barrels (8), the crushing barrels (8) are uniformly provided with blades (9) and extrusion plates (10), the output end of the first motor (6) is fixedly connected with one rotating shaft (5),
the separation magnetic separation structure is obliquely arranged between the primary crushing structure (2) and the secondary crushing structure (3), one end of the separation magnetic separation structure is close to the primary crushing structure (2), the other end of the separation magnetic separation structure is close to the secondary crushing structure (3),
the buffer guide structure is arranged right below the secondary crushing structure (3), the buffer guide structure comprises a guide piece (11) and an elastic piece (12), the guide piece (11) is connected to the inner wall of the shell (1) through the elastic piece (12),
first magnetic separation conveyer belt (4) slope sets up, the below of first magnetic separation conveyer belt (4) is equipped with first scraper blade and first collection storehouse (41), first magnetic separation conveyer belt (4) is connected through the belt drive with first motor (6) of second grade crushing structure (3), the one end of first magnetic separation conveyer belt (4) is higher than the other end and is located the bottom of guide (11), is located be equipped with first magnetic separation cylinder (42) between first magnetic separation conveyer belt (4) of guide (11) and casing (1) inner wall, first magnetic separation cylinder (42) is connected through the belt drive with first motor (6) of second grade crushing structure (3), the below of first magnetic separation cylinder (42) is equipped with the second and collects storehouse (43) and separates the scraper blade, the other end of first magnetic separation conveyer belt (4) is less than and is located the discharge gate top.
2. The metallurgical dust and mud crushing and screening system with high recovery rate according to claim 1, wherein the separating and magnetic separation structure comprises a filter plate (13), a swing unit and a second magnetic separation conveyor belt (14), one end of the filter plate (13) is rotatably connected to the inner wall of the shell (1), the other end of the filter plate (13) is connected with the shell (1) through the swing unit, the second magnetic separation conveyor belt (14) is obliquely arranged below the filter plate (13), the second magnetic separation conveyor belt (14) is connected with the first motor (6) of the primary crushing structure (2) through belt transmission, the conveying direction of the second magnetic separation conveyor belt (14) is upward, and the bottom of the second magnetic separation conveyor belt (14) is provided with a second scraper and a third collection bin (15).
3. The metallurgical dust and mud crushing and screening system with high recovery rate as claimed in claim 2, wherein the separating magnetic separation structure further comprises a second magnetic separation roller (16) and a guide plate (17), the second magnetic separation roller (16) is arranged between the casing (1) and the second magnetic separation conveyor belt (14), the second magnetic separation roller (16) is in belt transmission connection with the second magnetic separation conveyor belt (14), the guide plate (17) is arranged between the second magnetic separation roller (16) and the inner wall of the casing (1), one end of the guide plate (17) is attached to the outer peripheral surface of the second magnetic separation roller (16), and the other end of the guide plate (17) penetrates through the casing (1) and partially extends to the outer side of the casing (1).
4. A high recovery metallurgical dust and sludge crushing and screening system according to claim 3, wherein the swing unit comprises a second motor (18) and a cam (19), the second motor (18) is fixedly installed on the casing (1), the cam (19) is fixedly connected to the output shaft of the second motor (18), the cam (19) is rotatably connected with a connecting rod (20), and one end of the connecting rod (20) far away from the cam (19) is rotatably connected to the filter plate (13).
5. A high recovery metallurgical dust and sludge crushing and screening system according to claim 1, characterized in that the blades (9) on the two crushing drums (8) are engaged and the crushing plates (10) on the two crushing drums (8) are engaged.
6. A high recovery metallurgical dust and sludge crushing and screening system according to claim 1, wherein the guide member (11) comprises a first guide plate (21) and a second guide plate (22), the first guide plate (21) is obliquely arranged below the secondary crushing structure (3), the second guide plate (22) is fixedly connected to the first guide plate (21) and forms a Y-shaped structure with the first guide plate (21), and one end of the second guide plate (22) close to the first guide plate (21) is arranged in an open manner.
7. A high recovery metallurgical dust and sludge crushing and screening system according to claim 6, wherein the first guide plate (21) and the second guide plate (22) are provided with elastic shock absorbing layers.
CN201921549319.4U 2019-09-17 2019-09-17 Screening system is smashed to metallurgical dirt mud of high rate of recovery Active CN211051650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921549319.4U CN211051650U (en) 2019-09-17 2019-09-17 Screening system is smashed to metallurgical dirt mud of high rate of recovery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921549319.4U CN211051650U (en) 2019-09-17 2019-09-17 Screening system is smashed to metallurgical dirt mud of high rate of recovery

Publications (1)

Publication Number Publication Date
CN211051650U true CN211051650U (en) 2020-07-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112191299A (en) * 2020-10-19 2021-01-08 安徽黎搏装饰工程有限公司 Building construction rubbish reducing mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112191299A (en) * 2020-10-19 2021-01-08 安徽黎搏装饰工程有限公司 Building construction rubbish reducing mechanism

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Effective date of registration: 20201130

Address after: No.1 building, no.668 SHANGDA Road, Baoshan District, Shanghai

Patentee after: Shanghai Environmental Protection Co., Ltd

Address before: Room 1761, building 1, no.668 SHANGDA Road, Baoshan District, Shanghai 201900

Patentee before: SHANGHAI KUANGCAI ENVIRONMENTAL PROTECTION DEVELOPMENT Co.,Ltd.