CN212328884U - Compressed air ore washing vibrating screen - Google Patents
Compressed air ore washing vibrating screen Download PDFInfo
- Publication number
- CN212328884U CN212328884U CN202021921400.3U CN202021921400U CN212328884U CN 212328884 U CN212328884 U CN 212328884U CN 202021921400 U CN202021921400 U CN 202021921400U CN 212328884 U CN212328884 U CN 212328884U
- Authority
- CN
- China
- Prior art keywords
- box body
- air
- fixing plate
- sieve plate
- compressed air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a compressed air ore washing vibrating screen, which comprises a fixed frame, wherein a conveying device is arranged in the fixed frame, and the tail end of the conveying device is provided with a viscous material outlet; the fixed frame is upwards supported with a receiving hopper, and the conveying device is upwards communicated with the receiving hopper; the fixed frame is upwards connected with a box body, and the box body is downwards communicated with a receiving hopper; the bottom of the box body is provided with a sieve plate, one end of the box body is connected with a feeding hole, and the other end of the box body is connected with a target material discharging hole; the outer wall of the box body is fixedly connected with a vibration exciter; an air nozzle fixing plate is arranged in the box body above the sieve plate, a main air pipe is arranged in the box body above the air nozzle fixing plate, and the main air pipe is connected with an air inlet pipe; the air nozzle fixing plate is downwards connected with a plurality of air nozzles, the air nozzles are uniformly distributed on the air nozzle fixing plate, and the air outlet direction of each air nozzle is vertical to the sieve plate and faces the sieve plate; the utility model discloses need not dry the material, also can not cause the compressed air washing ore deposit shale shaker of harm to the environment, can high-efficient separation target material and viscidity material.
Description
Technical Field
The utility model relates to a material separation technical field especially relates to a vibrating screen.
Background
The vibrating screen is widely applied to the solid particle grading process of various industrial productions, the vibrating screen can be generally divided into a circular vibrating screen and a rectangular vibrating screen in shape, the circular vibrating screen is simple in mechanism and is mostly suitable for grading small-flow materials, and the rectangular vibrating screen can be manufactured into equipment with a large area and can be used for treating large-flow materials.
The vibrating screen with any structure comprises a box body, a screen, a vibration exciter, a vibrating spring and a fixed frame. In the industrial application process, the factors influencing the working efficiency of the vibrating screen are mainly the material property and the passing capacity of the screen.
In general, the viscous material has poor throughput and even quickly blocks the screen, causing the screen to lose its separating function. The structure of the screen and the manner in which the screen is cleaned also have a significant impact on the efficiency of the shaker. The separation of fine particles in clay-containing materials at higher moisture levels is difficult to achieve.
During the separation of the heap-type bauxite ore from the clay, a 3mm (millimeter) screen hardly passes through due to the high viscosity of the clay. Therefore, the mining process of accumulation-type bauxite in Guangxi and Yunnan adopts a wet washing mode, the rare soil in Guangxi is changed into slurry by the wet washing mode and stored in a waste tail mud warehouse, a large amount of environment is stony desertified, and the natural environment is seriously damaged.
The key defect of the technical scheme for separating the viscous material by the dry method is that the material needs to be dried, a large amount of energy is inevitably consumed in the drying process, and the cost is too high to apply.
The wet separation technology of viscous materials (such as clay) and target materials (such as bauxite ore, and the target materials and the viscous materials are characterized in that the hardness of the target materials is higher than that of the viscous materials) is forbidden due to the great negative influence on environmental protection, so that the development of a novel vibrating screen capable of separating the viscous materials is necessary, the development of the Guangxi and Yunnan aluminum industries and the environmental management can be directly supported, and the wet separation technology is very important for improving the screening efficiency of other regions and other viscous materials and reducing the screening cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a neither need not dry the material, also can not cause the compressed air washing ore deposit shale shaker of harm to the environment, can high-efficient separation target material and viscidity material.
In order to achieve the purpose, the compressed air ore washing vibrating screen comprises a fixed frame, wherein a conveying device for sending out viscous materials is arranged in the fixed frame, and the tail end of the conveying device is provided with a viscous material outlet; the fixed frame is upwards supported and fixed with a receiving hopper, and the conveying device is upwards communicated with the receiving hopper and receives viscous materials falling from the receiving hopper;
the fixed frame is upwards connected with a box body through a spring, and the box body is downwards communicated with a receiving hopper;
the bottom of the box body is provided with a sieve plate, one end of the box body above the sieve plate is connected with a feed inlet, and the other end of the box body is connected with a target material discharge outlet; the outer wall of the box body is fixedly connected with a vibration exciter;
a tuyere fixing plate is arranged in the box body above the sieve plate, is parallel to the sieve plate and is connected with the inner wall of the box body; a main air pipe is arranged in the box body above the air nozzle fixing plate and is parallel to the air nozzle fixing plate; the main air pipe is connected with an air inlet pipe, the air inlet pipe extends out of the box body and is connected with an air inlet, and the air inlet is used for connecting a compressed air source;
the air nozzle fixing plate is downwards connected with a plurality of air nozzles, the air nozzles are uniformly distributed on the air nozzle fixing plate, and the air outlet direction of each air nozzle and the sieve plate form an included angle of 30-90 degrees and face the sieve plate; the side wall of the receiving hopper is connected with an air outlet in the middle of the upper and lower directions.
Openings of the rotary discharging device and the viscous material outlet are arranged downwards; the feeding hole is connected with a rotary feeder, and the target material discharging hole is connected with a rotary discharger.
The material receiving hopper is flexibly connected with the conveying device, the material inlet is flexibly connected with the rotary feeder, and the material outlet of the target material is flexibly connected with the rotary discharger.
A plurality of wind shields are uniformly arranged in the box body between the air nozzle fixing plate and the sieve plate at intervals, each wind shield is perpendicular to the air nozzle fixing plate, and a gap is formed between the lower end of each wind shield and the sieve plate; taking the direction from the feed inlet to the target material outlet as the discharging direction,
the tuyere fixing plate, the sieve plate and the wind shields divide the inner space of the box body into a plurality of turbulent collision cavities for collision separation along the discharging direction.
The tuyere fixing plate is rectangular, and each tuyere is distributed in a rectangular array.
The tuyere fixing plate is circular, and each tuyere is distributed in a rectangular circular array.
The included angle between the sieve plate and the horizontal plane is 0-30 degrees.
The utility model discloses have following advantage:
when the device is used, each air nozzle sprays compressed air to the sieve plate, and the materials can be blown down to be sieved even if the viscosity of the materials is high, so that the effect of continuously purifying the sieve is achieved.
More importantly, the compressed air can disturb the material particles, the material particles are collided in the turbulent collision cavity continuously, and fine particles (mainly viscous material particles) adhered to the target material (with the hardness greater than that of the viscous material) particles are collided in the collision process, so that a better separation effect is obtained, and cleaner large particles are obtained.
The tuyere fixing plate, the sieve plate and the wind shields divide the inner space of the box body into a plurality of turbulent collision cavities for collision separation along the discharging direction, so that the average times and the average time of collision of material particles when passing through the sieve plate can be greatly prolonged, and the material separation effect is improved.
The material separation space is sealed in the box body, and dust pollution can not be caused to the outside.
The utility model discloses not only can screen out the viscidity material of fine particle, compressed air also can purify the large granule surface. When being used for washing the ore in-process, this utility model can replace wet process washing ore technology completely, need not to carry the ore washing factory to the raw ore that contains clay, can directly separate the clay in the mining area, accomplishes that soil directly returns the field. Not only saves the cost, but also protects the natural environment.
Drawings
FIG. 1 is a schematic cross-sectional view of the tuyere fixing plate of the present invention when the tuyere fixing plate is rectangular;
FIG. 2 is a schematic cross-sectional view of the tuyere fixing plate of the present invention when the tuyere fixing plate is circular;
FIG. 3 is a view from A-A of FIG. 1 with the tuyere holding plate being rectangular;
fig. 4 is a view from B-B of fig. 2 when the tuyere holding plate is circular.
Detailed Description
As shown in fig. 1 to 4, the compressed air ore washing vibrating screen of the present invention comprises a fixed frame 1, a conveying device 2 for sending out viscous materials is arranged in the fixed frame 1, and a viscous material outlet 3 is arranged at the end of the conveying device 2; the fixed frame 1 is upwards supported and fixed with a receiving hopper 4, and the conveying device 2 is upwards communicated with the receiving hopper 4 and receives viscous materials falling from the receiving hopper 4;
the conveying device 2 preferably employs a screw conveyor.
The fixed frame 1 is upwards connected with a box body 6 through a spring 5, and the box body 6 is downwards communicated with a receiving hopper 4;
the bottom of the box body 6 is provided with a sieve plate 7, one end of the box body 6 above the sieve plate 7 is connected with a feed inlet 16, and the other end is connected with a target material discharge outlet; the outer wall of the box body 6 is fixedly connected with a vibration exciter 8; preferably, a plurality of vibration exciters 8 are uniformly distributed on the outer wall of the box body 6, such as one on the top and one on each of two sides.
A tuyere fixing plate 9 is arranged in the box body 6 above the sieve plate 7, and the tuyere fixing plate 9 is parallel to the sieve plate 7 and is connected with the inner wall of the box body 6; a main air pipe 10 is arranged in the box body 6 above the air nozzle fixing plate 9, and the main air pipe 10 is parallel to the air nozzle fixing plate 9; the main air pipe 10 is connected with an air inlet pipe 11, the air inlet pipe 11 extends out of the box body 6 and is connected with an air inlet 12, and the air inlet 12 is used for connecting a compressed air source, such as a blower and an air supply pipe thereof, or an air compressor and an air supply pipe thereof;
the air nozzle fixing plate 9 is downwards connected with a plurality of air nozzles 13, the air nozzles 13 are uniformly distributed on the air nozzle fixing plate 9, and the air outlet direction of each air nozzle 13 and the sieve plate 7 form an included angle of 30-90 degrees (including two end values) and face the sieve plate 7; the tuyere fixing plate 9 is preferably flexibly connected with the inner wall of the box body, so that the vibration of the tuyere fixing plate 9 and a tuyere 13 mounted on the tuyere fixing plate is reduced. The sidewall of the receiving hopper 4 is connected with an air outlet 14 at the middle part of the upper and lower directions thereof.
The feed port 16 is connected to a rotary feeder 17, and the target material discharge port 15 is connected to a rotary discharger 18. The openings of the rotary material outlet 18 and the viscous material outlet 3 are both arranged downwards;
the receiving hopper 4 is flexibly connected (for example, connected by a wear-resistant cloth) with the conveying device 2, the feeding port 16 is flexibly connected with the rotary feeder 17, and the target material discharging port 15 is flexibly connected with the rotary feeder 18. The tuyere fixing plate 9 is flexibly connected with the inner wall of the box body 6.
A plurality of wind shields 19 are uniformly arranged in the box body 6 between the air nozzle fixing plate 9 and the sieve plate 7 at intervals, each wind shield 19 is perpendicular to the air nozzle fixing plate 9, and a gap for passing materials is formed between the lower end of each wind shield 19 and the sieve plate 7; taking the direction from the feed inlet 16 to the target material discharge outlet 15 as the discharge direction;
the tuyere fixing plate 9, the sieve plate 7 and the wind shields 19 divide the inner space of the box body 6 into a plurality of turbulent collision cavities 20 for collision separation along the discharging direction.
As shown in fig. 3, the tuyere holding plate 9 may have a rectangular shape, and the tuyeres 13 are arranged in a rectangular array.
As shown in fig. 4, the tuyere fixing plate 9 may be circular, and the tuyeres 13 may be arranged in a rectangular circular array.
The included angle between the sieve plate 7 and the horizontal plane is 0-30 degrees including two end values. The sieve plate 7 is preferably arranged obliquely, i.e. the feeding end of the sieve plate 7 is preferably higher than the discharging end thereof (the end with the target material outlet is the discharging end).
The structure principle of the rotary feeder 17 and the rotary discharger 18 is the same (see fig. 1), a rotating shaft is arranged in the shell, a plurality of rotary material shifting plates are uniformly connected to the rotating shaft along the circumferential direction, a feeding port 16 or a discharging port is arranged on the shell, the rotary material shifting plates are driven to periodically shift materials into (feeding) or shift materials out (discharging) in the rotation process through the active rotation of the rotating shaft, and the feeding and discharging speed is controlled through controlling the rotating speed of the rotating shaft. The rotary feeder 17 and the rotary discharger 18 are both prior art and the detailed structure is not described in detail.
When the device is used, the rotary feeder 17 is connected with a conveying channel for conveying raw materials to be separated, a container for receiving target materials is arranged below the rotary discharging device 18, a container for receiving viscous materials is arranged below the viscous material outlet 3 of the conveying device 2, and the air outlet 14 is connected with an external dust removal device. And opening the vibration exciter 8 and the conveying device, introducing compressed air through the air inlet 12 and the air inlet pipe 11 to enable the vibrating screen to start working, and simultaneously, spraying the compressed air to the sieve plate 7 through the air nozzle 13.
The raw material particles to be separated enter the box 6 through the rotary feeder 17 and the feed opening 16 and pass each wind screen 19 one by one in the discharge direction, thereby passing each turbulent collision chamber 20 one by one. Under the jetting action of the compressed air, the material particles form turbulence in each turbulent collision cavity 20 and collide with each other continuously, and fine particles (mainly viscous material particles) adhered to the target material (harder than the viscous material) particles collide during the collision process, so that a better separation effect is obtained, and cleaner large particles are obtained.
Target material particles as oversize materials fall downwards into a container for receiving the target materials from a target material discharge port, and viscous material particles downwards enter a receiving hopper 4 through a screen mesh, then enter a conveying device, and finally fall downwards into the container for receiving the viscous materials from a viscous material outlet 3. The compressed air raises the air pressure in the receiving hopper 4, flows out from the air outlet 14, is purified by the dust removal equipment and enters the environment.
The tuyere fixing plate 9, the sieve plate 7 and the wind shields 19 divide the inner space of the box body 6 into a plurality of turbulent collision cavities 20 for collision separation along the discharging direction, so that the average times and the average time of collision of material particles when passing through the sieve plate 7 can be greatly prolonged, and the material separation effect is improved.
The material separation space is sealed in the box body 6, and dust pollution can not be caused to the outside.
The utility model discloses not only can screen out the viscidity material of fine particle, compressed air also can purify the large granule surface. When being used for washing the ore in-process, this utility model can replace wet process washing ore technology completely, need not to carry the ore washing factory to the raw ore that contains clay, can directly separate the clay in the mining area, accomplishes that soil directly returns the field. Not only saves the cost, but also protects the natural environment.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (7)
1. The compressed air ore washing vibrating screen comprises a fixed frame, wherein a conveying device for conveying viscous materials out is arranged in the fixed frame, and a viscous material outlet is formed in the tail end of the conveying device; the fixed frame is upwards supported and fixed with a receiving hopper, and the conveying device is upwards communicated with the receiving hopper and receives viscous materials falling from the receiving hopper;
the fixed frame is upwards connected with a box body through a spring, and the box body is downwards communicated with a receiving hopper;
the bottom of the box body is provided with a sieve plate, one end of the box body above the sieve plate is connected with a feed inlet, and the other end of the box body is connected with a target material discharge outlet; the outer wall of the box body is fixedly connected with a vibration exciter;
the method is characterized in that:
a tuyere fixing plate is arranged in the box body above the sieve plate, is parallel to the sieve plate and is connected with the inner wall of the box body; a main air pipe is arranged in the box body above the air nozzle fixing plate and is parallel to the air nozzle fixing plate; the main air pipe is connected with an air inlet pipe, the air inlet pipe extends out of the box body and is connected with an air inlet, and the air inlet is used for connecting a compressed air source;
the air nozzle fixing plate is downwards connected with a plurality of air nozzles, and an included angle of 30-90 degrees is formed between the air outlet direction of each air nozzle and the sieve plate and faces the sieve plate; the side wall of the receiving hopper is connected with an air outlet in the middle of the upper and lower directions.
2. The compressed air ore washing vibrating screen of claim 1, wherein: openings of the rotary discharging device and the viscous material outlet are arranged downwards; the feeding hole is connected with a rotary feeder, and the target material discharging hole is connected with a rotary discharger.
3. The compressed air ore washing vibrating screen of claim 2, wherein: connect for flexible connection between hopper and the conveyor, feed inlet and rotatory feeder are flexible connection, are flexible connection between target material discharge gate and the rotatory discharger, are flexible connection between tuyere fixed plate and the box inner wall.
4. The compressed air washed ore vibrating screen of any one of claims 1 to 3, wherein:
a plurality of wind shields are uniformly arranged in the box body between the air nozzle fixing plate and the sieve plate at intervals, each wind shield is perpendicular to the air nozzle fixing plate, and a gap is formed between the lower end of each wind shield and the sieve plate; taking the direction from the feed inlet to the target material outlet as the discharging direction,
the tuyere fixing plate, the sieve plate and the wind shields divide the inner space of the box body into a plurality of turbulent collision cavities for collision separation along the discharging direction.
5. The compressed air ore washing vibrating screen of claim 4, wherein: the tuyere fixing plate is rectangular, and each tuyere is distributed in a rectangular array.
6. The compressed air ore washing vibrating screen of claim 4, wherein: the tuyere fixing plate is circular, and each tuyere is distributed in a rectangular circular array.
7. The compressed air ore washing vibrating screen of claim 4, wherein: the included angle between the sieve plate and the horizontal plane is 0-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921400.3U CN212328884U (en) | 2020-09-07 | 2020-09-07 | Compressed air ore washing vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921400.3U CN212328884U (en) | 2020-09-07 | 2020-09-07 | Compressed air ore washing vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212328884U true CN212328884U (en) | 2021-01-12 |
Family
ID=74072264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021921400.3U Active CN212328884U (en) | 2020-09-07 | 2020-09-07 | Compressed air ore washing vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212328884U (en) |
-
2020
- 2020-09-07 CN CN202021921400.3U patent/CN212328884U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110026268B (en) | Ore stone crusher with dustproof function | |
| CN204974090U (en) | Device is smashed to dustless ore | |
| CN104353608B (en) | Whirling vibration screening machine | |
| CN109865561A (en) | A kind of screening type flour mill of large reduction ratio support roller carrying roller support | |
| CN212328884U (en) | Compressed air ore washing vibrating screen | |
| CN207694885U (en) | A kind of dicalcium powder grinding device | |
| CN112090732A (en) | Compressed air ore washing vibrating screen | |
| CN219210580U (en) | Drum screen center collar hammer | |
| CN211026701U (en) | Powder metallurgy iron powder edulcoration device | |
| CN215087676U (en) | Ball mill ore grain separator that mining area operation used | |
| CN215087498U (en) | Grit reducing mechanism is used in concrete production | |
| KR20040028023A (en) | a device for selection and crushing/fine crush of wastes construction | |
| CN108607667A (en) | A kind of stone classification crushing plant | |
| CN211030809U (en) | Granule material quick cooling screening plant of insulating material | |
| CN217450503U (en) | Crushing and screening equipment | |
| CN216631151U (en) | Quick lime reducing mechanism | |
| CN220634680U (en) | Air-flow type pulverizer | |
| CN219868294U (en) | Building aggregate production line ventilation dust pelletizing system | |
| CN220310577U (en) | Powder particle double type Raymond mill | |
| CN217190084U (en) | Ball-milling device for preparing nano heavy calcium carbonate by shell mechanical fluidization method | |
| RU2007232C1 (en) | Method of pneumatic cleaning of non-ore material with fraction size up to 20 mm | |
| CN215031133U (en) | Black corundum abrasive cyclone impurity removal device | |
| CN210046909U (en) | Edible-grade color master batch vibration powder removing device | |
| CN216539579U (en) | Suspension classification device for filling particle production | |
| CN218637860U (en) | Gravel vibrating screen machine capable of continuously vibrating screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |