CN209953225U - High-efficient environmental protection solid material integral type composite screening system - Google Patents
High-efficient environmental protection solid material integral type composite screening system Download PDFInfo
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- CN209953225U CN209953225U CN201920566423.8U CN201920566423U CN209953225U CN 209953225 U CN209953225 U CN 209953225U CN 201920566423 U CN201920566423 U CN 201920566423U CN 209953225 U CN209953225 U CN 209953225U
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Abstract
The utility model relates to a high-efficient environmental protection solid material integral type composite screening system, including raw materials conveying mechanism, splitter box, screening plant, screening material conveying mechanism, return ore bin, shop's end feed bin, little finished product feed bin, big finished product feed bin, raw materials conveying mechanism and splitter box interconnect to communicate with at least two screening plants each other through the splitter box, each screening plant connects in parallel each other, and communicates with screening material conveying mechanism through big material ejection of compact guiding gutter respectively; the small finished product discharging diversion trench is communicated with a small finished product bin; the bottom paving material discharging diversion trench is communicated with a bottom paving bin; the back-ore material discharge diversion trench is communicated with the return-ore material bin. The utility model discloses the work efficiency of improvement screening operation that can be very big improves integration, modularization and the degree of automation of screening system, in addition can be very big improvement material self kinetic energy and screening plant drive kinetic energy comprehensive utilization when moving to can effectively reduce the solid material and cause dust pollution when flowing.
Description
Technical Field
The utility model relates to a high-efficient environmental protection solid material integral type composite screening system belongs to the robotechnology field.
Background
At present, when solid materials such as ores and the like are classified according to the particle diameter, the classification operation is usually performed by using a screening system formed by a screening mechanism with a traditional structure, such as screening equipment such as probability screening and bar screening, and the currently used screening equipment can meet the requirement of screening the solid materials to a certain extent during operation, but the currently traditional screening mechanism has a complex structure and relatively large equipment structure volume and dead weight, so that on one hand, the operation energy consumption of the currently traditional screening system during actual operation is relatively large, the difficulty and the cost of equipment operation and maintenance operation are high, and meanwhile, the equipment installation and positioning need to occupy a large installation space, the limitation of the use site environment is easily caused, the use site construction cost and the space utilization rate are low, and the use of the currently used screening equipment is further increased, Maintenance and other operation costs, on the other hand, the screening system often includes a screening mechanism and lacks necessary system backup, so when equipment needs to be maintained or fails, the whole screening system needs to be shut down, the continuity and reliability of solid material screening operation are seriously affected, the working efficiency of the solid material screening operation is seriously affected, meanwhile, one screening system often only can meet the needs of single type material screening operation, the working efficiency and flexibility of the material screening operation are seriously affected, and a plurality of screening systems are often needed to be used simultaneously when multi-level screening operation is needed, and the operation energy consumption, the space utilization rate and the equipment operation and maintenance costs of the conventional screening system are further increased.
Meanwhile, when the traditional screening mechanism is used for screening materials, although the materials are driven to pass through the screening mechanism by the dead weight and inertia of the materials through a certain inclination angle, the included angle between the flow direction of the materials and the horizontal plane is lack of scientific design, so that the utilization rate of the kinetic energy of the solid materials is insufficient when the materials are screened, equipment between the solid materials and the screening sheets, box plates and other structures of the screening mechanism and the friction loss between the materials are serious, the phenomenon of noise pollution caused by friction is serious, the running energy consumption of the screening mechanism on the material oscillation screening is increased, the situation that the structure of the screening mechanism is damaged due to overlarge load is easy to happen, and the running stability, the reliability, the service life and the use and maintenance cost of the screening mechanism are seriously influenced.
In addition, current screening mechanism is when screening the operation to solid material, because of factors such as equipment oscillation, the high-speed flow of material, very easily leads to solid material to produce serious dust pollution, when causing the material extravagant, causes serious pollution to operational environment in addition, consequently leads to the current operational environment when carrying out solid material screening operation relatively abominable, causes serious threat to staff's health, also leads to simultaneously to investing into higher cost and carries out solid dust pollution and administer.
Therefore, in order to meet the actual use requirement, a new solid material screening system is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model provides a high-efficient environmental protection solid material integral type composite screening system.
In order to achieve the above-mentioned effect, a high-efficiency environment-friendly solid material integrated composite screening system is provided, which comprises the following components:
an efficient environment-friendly integrated composite screening system for solid materials comprises a raw material conveying mechanism, a diversion channel, screening devices, an anti-ore material discharging diversion channel, a large material discharging diversion channel, a small finished product discharging diversion channel, a bedding material discharging diversion channel, a screening material conveying mechanism, an ore returning bin, a bedding material bin, a small finished product bin, a large finished product bin, a drainage fan, a diversion air pipe, a dust removal device and a control system, wherein the raw material conveying mechanism is mutually connected with the diversion channel and mutually communicated with at least two screening devices through the diversion channel, the diversion channel comprises a guide chute, a gate valve and a diversion chute, the axes of the guide chute and the diversion chute form an angle of 15-60 degrees with the horizontal plane, the upper end face of the guide chute is positioned under the raw material conveying mechanism and mutually communicated with the raw material conveying mechanism, and the lower end face is mutually communicated with the upper end faces of at least two diversion, the diversion chute is provided with at least one gate valve at the connecting position of the leading-in chute, the lower end surface of the diversion chute is communicated with a screening device, the axis of the screening device forms an included angle of 20-60 degrees with the horizontal plane, the screening devices are connected in parallel and are communicated with a screened material conveying mechanism through a large material discharging diversion trench; the small finished product discharging diversion trench is communicated with a small finished product bin; the bottom paving material discharging diversion trench is communicated with a bottom paving bin; through the intercommunication each other of anti-mineral material ejection of compact guiding gutter and return mineral material storehouse, screening material conveying mechanism, return mineral material storehouse, shop's end feed bin, little finished product feed bin, big finished product feed bin all is located screening plant under, wherein screening material conveying mechanism communicates with big finished product feed bin each other in addition, anti-mineral material ejection of compact guiding gutter, big material ejection of compact guiding gutter, little finished product ejection of compact guiding gutter, shop's bed charge ejection of compact guiding gutter lateral wall up end all establishes at least one dust removal mouth, the dust removal mouth passes through water conservancy diversion tuber pipe and drainage fan interconnect, the drainage fan communicates with dust collector through water conservancy diversion tuber pipe in addition, control system quantity is unanimous with screening plant quantity, and all establish a control system on every screening plant, interlock between each control system and respectively with each screening plant, the drainage fan, dust collector, the slide valve electrical connection of raw materials conveying mechanism and splitter box.
Further, the raw material conveying mechanism and the screening material conveying mechanism are any one of a hinge, a belt conveyor and a conveying chain plate.
Furthermore, a guide plate is additionally arranged in a leading-in chute of the splitter box, the guide plate is mutually perpendicular to the upper end surface and the lower end surface of the leading-in chute and is in sliding connection with the upper end surface and the lower end surface of the leading-in chute, the rear end surface of the guide plate is hinged with the lower end surface of the leading-in chute between two adjacent splitter boxes through a swing mechanism, the length of the guide plate is 1.1-1.5 times of the inner diameter of the splitter box, the axis of the guide plate and the axis of the leading-in chute form an included angle of 0-90 degrees, and the swing mechanism is.
Further, the screening device comprises a bearing frame, a first-stage material selecting screen, a second-stage material selecting screen, a flow guide chute, a damping mechanism and an excitation mechanism, wherein the first-stage material selecting screen and the second-stage material selecting screen are respectively connected with the bearing frame through the damping mechanism, the first-stage material selecting screen is positioned above the second-stage material selecting screen and distributed in the same straight line direction, a large finished product discharge port and a second-stage material selecting discharge port are arranged on the lower end surface of the first-stage material selecting screen, the large finished product discharge port is positioned above the second-stage material selecting discharge port, the large finished product discharge port and the second-stage material selecting screen are respectively positioned above and below a screen cloth of the first-stage material selecting screen, the large finished product discharge port and the large material discharge guide chute are mutually communicated, the second-stage material selecting discharge port and the second-stage material selecting screen are mutually communicated through the flow guide chute, and the axial line of, the primary material selecting screen and the secondary material selecting screen are respectively provided with an included angle of 0-45 degrees, the secondary material selecting screen is respectively provided with a reverse mineral material discharge port, a bottom paving discharge port and a small finished product discharge port and is respectively communicated with a reverse mineral material discharge diversion trench, a small finished product discharge diversion trench and a bottom paving discharge diversion trench through the reverse mineral material discharge port, the bottom paving discharge port and the small finished product discharge port, the primary material selecting screen and the secondary material selecting screen are respectively provided with at least two vibration excitation mechanisms, the vibration excitation mechanisms are uniformly distributed along the axial direction of the primary material selecting screen and the secondary material selecting screen and are vertically distributed with the axial lines of the primary material selecting screen and the secondary material selecting screen, the guide chutes are respectively coaxially distributed with the primary material selecting screen and the secondary material selecting screen, and the two ends of the guide chutes are respectively communicated with the primary material selecting screen and the secondary material selecting screen through flexible sleeves.
Further, the second grade material selecting screen comprises a screen box, a bearing beam, a reinforcing rib plate, a material selecting screen plate, a transition screen plate and a box cover, wherein the screen box is of a U-shaped cross section, the axial section of the screen box is of a groove-shaped structure with a trapezoid shape, the upper end surface of the screen box is connected with the box cover to form a closed cavity structure, the front end surface of the screen box is provided with a feed inlet, the lower end surface of the screen box is provided with a reverse mineral material discharge port, the rear end surface of the screen box is provided with a paving bottom discharge port and a small finished product discharge port, the reverse mineral material discharge port, the paving bottom discharge port and the small finished product discharge port are respectively communicated with a reverse mineral material discharge diversion trench, a paving bottom material discharge diversion trench and a small finished product discharge diversion trench, the bearing beams are at least two, the bearing beams are embedded in the screen box, the two ends of the bearing beams are respectively connected with the side, the sieve plates are embedded in the sieve box and are mutually connected with the bearing cross beam and are vertically distributed, all the reinforcing rib plates are uniformly distributed along the axial direction of the bearing cross beam, at least two material selecting sieve plates are embedded in the sieve box and are distributed in parallel with the axial direction of the sieve box, all the material selecting sieve plates are distributed from top to bottom and are mutually connected with the reinforcing rib plates, the distance between each material selecting sieve plate is not less than 20 cm, in the material selecting sieve plates, the front end surface of each material selecting sieve plate is positioned behind the feed inlet and is not less than 5 cm away from the transition sieve plate, the front end surface of the material selecting sieve plate positioned below the two adjacent material selecting sieve plates exceeds the front end surface of the material selecting sieve plate positioned above by at least 10 cm, a transition sieve plate is arranged between the two adjacent material selecting sieve plates, a plurality of transition sieve plates are embedded in the sieve box and are mutually connected with the reinforcing rib plates, and the effective length 1/3-2/3 part of each transition sieve plate is positioned right below, the rear end surface of the transition sieve sheet is positioned above the material selecting sieve sheet below the two adjacent material selecting sieve sheets, the transition sieve sheet and the axis of the sieve box form an included angle of 0-30 degrees,
furthermore, the damping mechanism is any one or more of a spring damper, a hydraulic damper and a pneumatic damper.
Furthermore, the upper end surfaces of the bottoms of the primary material selecting sieve and the secondary material selecting sieve, which correspond to the large finished product discharge port, the secondary screening discharge port, the anti-mineral material discharge port, the bottom paving discharge port and the small finished product discharge port, are respectively provided with a grating plate which is distributed in parallel with the axes of the primary material selecting sieve and the secondary material selecting sieve, and the axes of grating holes of the grating plates are distributed in a way of being vertical to the axes of the primary material selecting sieve and the secondary material selecting sieve.
Furthermore, the anti-mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench are all hollow tubular structures with non-rectangular cross sections, a plurality of electrostatic electrodes are uniformly distributed on the inner side walls of the upper end faces of the anti-mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench, and the axes of the electrostatic electrodes are vertically distributed with the axes of the anti-mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench and are respectively electrically connected with a control system.
Furthermore, the control system is a circuit system based on an industrial computer, and at least one serial port communication circuit and at least one internet-of-things controller are additionally arranged in the control system.
The utility model discloses more traditional screening system has following advantage:
1. the working efficiency of screening operation can be greatly improved, the integration, modularization and automation degree of a screening system are improved, the structure of the screening system is effectively simplified, the dead weight of the screening system is reduced, the operation energy consumption, the construction and maintenance cost of the screening system are reduced, the space utilization rate of the screening system is effectively improved, the fault resistance of the screening system can be greatly improved, and the continuity and the stability of the operation of the screening operation are improved;
2. the efficiency of material screening operation can be effectively improved, the comprehensive utilization rate of the self kinetic energy of the material and the driving kinetic energy of the screening device during operation is greatly improved, the efficiency and the quality of the material screening operation are improved, the abrasion and the noise pollution between the operation material of the screening device and the equipment are effectively reduced, and the damage of the structure of the screening device caused by overlarge oscillation load is avoided, so that the stability and the reliability of the novel operation are further improved, the service life is prolonged, and the use and maintenance cost is reduced;
3. in the operation process, can realize carrying out the classified collection to different grade type materials in multiple simultaneously to at material screening in-process, cause dust pollution when effectively reducing the solid material flow, very big improvement the utility model discloses an environmental protection performance improves operational environment and helps reducing the material and collect, prevents that the material from managing the cost and the degree of difficulty of operation to the production environment because of the extravagant phenomenon of material that dust pollution caused and reduction material screening operation.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic sectional view of a part of the structure of the splitter box;
FIG. 4 is a schematic sectional view of a partial structure of a secondary sizing screen;
fig. 5 is a schematic view of a local connection structure of the electrostatic electrode in the anti-mineral material discharging diversion trench.
Detailed Description
For making the utility model discloses the technological means, creation characteristic, achievement purpose and efficiency that realize are easily under construction, combine specific implementation below, further explain the utility model discloses.
The high-efficiency environment-friendly integrated composite screening system for the solid materials comprises a raw material conveying mechanism 1, a diversion trench 2, screening devices 3, a reverse mineral material discharging diversion trench 4, a large material discharging diversion trench 5, a small finished product discharging diversion trench 6, a bedding material discharging diversion trench 7, a screening material conveying mechanism 8, a mineral returning material bin 9, a bedding material bin 10, a small finished product bin 11, a large finished product bin 12, a drainage fan 13, a diversion air duct 14, a dust removal device 15 and a control system 16, wherein the raw material conveying mechanism 1 is connected with the diversion trench 2 and is communicated with at least two screening devices 3 through the diversion trench 2, the diversion trench 2 comprises a guiding chute 21, a gate valve 22 and a diversion chute 23, the axes of the guiding chute 21 and the diversion chute 23 form an angle of 15-60 degrees with the horizontal plane, the upper end face of the guiding chute 21 is positioned under the raw material conveying mechanism 1 and is communicated with the raw material conveying mechanism 1, the lower end surface is mutually communicated with the upper end surfaces of at least two diversion chutes 23, the diversion chutes 23 are respectively provided with at least one gate valve 22 at the connecting position of the leading-in chute 23, the lower end surfaces of the diversion chutes 23 are mutually communicated with one screening device 3, the axial line of the screening device 3 forms an included angle of 20-60 degrees with the horizontal plane, and the screening devices 3 are mutually connected in parallel and are respectively communicated with a screened material conveying mechanism 8 through a large material discharging diversion trench 5; the small finished product discharging diversion trench 6 is communicated with a small finished product bin 11; the bottom paving material discharging diversion trench 7 is communicated with a bottom paving bin 10; the ore return bin 9 is communicated with the ore return bin 4 through the ore return discharge diversion trench 4, the screening material conveying mechanism 8, the ore return bin 9, the bottoming bin 10, the small finished product bin 11 and the large finished product bin 12 are all positioned under the screening device 3, the screening material conveying mechanism 8 is communicated with the large finished product bin 12, the ore return discharge diversion trench 4, the large material discharge diversion trench 5, the small finished product discharge diversion trench 6 and the sidewall upper end surface of the bottom-paving material discharge diversion trench 7 are respectively provided with at least one dust removal opening 17, the dust removal opening 17 is connected with the drainage fan 13 through a diversion air pipe 14, the drainage fan 13 is communicated with the dust removal device 15 through the diversion air pipe 14, the control system 16 is consistent with the screening device in quantity, each screening device is provided with a control system 16, all the control systems 16 are interlocked and respectively communicated with each screening device 3, each drainage fan 13 and each dust removal device 15, The raw material conveying mechanism 1 is electrically connected with a gate valve 22 of the splitter box 2.
Wherein, the raw material conveying mechanism 1 and the screening material conveying mechanism 8 are any one of a hinge, a belt conveyor and a conveying chain plate.
Meanwhile, a guide plate 24 is additionally arranged in the leading-in chute 21 of the diversion trench 2, the guide plate 24 is mutually perpendicular to the upper end surface and the lower end surface of the leading-in chute 21 and is in sliding connection with the upper end surface and the lower end surface of the leading-in chute 21, the rear end surface of the guide plate 24 is mutually hinged with the lower end surface of the leading-in chute 21 between two adjacent diversion chutes 23 through a swing mechanism 25, the length of the guide plate 24 is 1.1-1.5 times of the inner diameter of each diversion chute 23, the axis of the guide plate 24 and the axis of the leading-in chute 21 form an included angle of 0-90 degrees, and the swing.
It is important to point out that the screening device 3 includes a bearing frame 31, a primary sorting screen 32, a secondary sorting screen 33, a guiding chute 34, a damping mechanism 35 and an excitation mechanism 36, the primary sorting screen 32 and the secondary sorting screen 33 are connected with the bearing frame 31 through the damping mechanism 35, respectively, the primary sorting screen 32 is located above the secondary sorting screen 33 and distributed in the same straight direction, a large finished product discharge port 101 and a secondary screening discharge port 102 are arranged on the lower end surface of the primary sorting screen 32, the large finished product discharge port 101 is located above the secondary screening discharge port 102, the large finished product discharge port 101 and the secondary screening discharge port 102 are located above and below the primary sorting screen 32, respectively, wherein the large finished product discharge port 101 is communicated with the large material discharging guiding chute 5, the secondary screening discharge port 102 is communicated with the secondary sorting screen 33 through the guiding chute 34, the axial line of the first-stage material selecting screen 32 and the axial line of the second-stage material selecting screen 33 form an included angle of 20-60 degrees with the horizontal plane, the axial line of the first-stage material selecting screen 32 and the axial line of the second-stage material selecting screen 33 form an included angle of 0-45 degrees, the axial line of the first-stage material selecting screen 32 and the axial line of the second-stage material selecting screen 33 are respectively provided with a reverse mineral material discharge port 103, a bottom paving discharge port 104 and a small finished product discharge port 105, the second-stage material selecting screen 33 is respectively communicated with a reverse mineral material discharge diversion trench 4, a small finished product discharge diversion trench 6 and a bottom paving material discharge diversion trench 7 through the reverse mineral material discharge port 103, the bottom paving discharge port 104 and the small finished product discharge port 105, the first-stage material selecting screen 32 and the second-stage material selecting screen 33 are respectively provided with at least two excitation mechanisms 36, the excitation mechanisms 36 are uniformly distributed along the axial direction of the first-stage material selecting screen 32 and the second-, the two ends of the sieve are respectively communicated with a first-stage material selection sieve 32 and a second-stage material selection sieve 33 through flexible sleeves.
Meanwhile, the second-stage material selecting screen 33 comprises a screen box 331, a bearing beam 332, reinforcing rib plates 333, a material selecting screen 334, a transition screen 335 and a box cover 336, wherein the screen box 331 is of a U-shaped cross section and a groove-shaped structure with a trapezoidal axial section, the upper end surface of the screen box is connected with the box cover 336 to form a closed cavity structure, the front end surface of the screen box 331 is provided with a feed inlet 106, the lower end surface of the screen box 331 is provided with a reverse mineral material discharge outlet 103, the rear end surface of the screen box is provided with a bottom paving discharge outlet 104 and a small finished product discharge outlet 105, the reverse mineral material discharge outlet 103, the bottom paving discharge outlet 104 and the small finished product discharge outlet 105 are respectively communicated with a reverse mineral material discharge guide groove 4, a bottom paving material discharge guide groove 7 and a small finished product discharge guide groove 6, at least two bearing beams 332 are embedded in the screen box 331, the two ends of the bearing beams are respectively connected with the side walls of the screen box 331, and the bearing beams 332, at least two reinforcing rib plates 333 which are embedded in the screen box 331 and are mutually connected with the bearing cross beam 332 and vertically distributed, at least two material selecting screen pieces 334 which are embedded in the screen box 331 and are distributed in parallel with the axis of the screen box 331, at least two material selecting screen pieces 334 which are distributed from top to bottom and are mutually connected with the reinforcing rib plates 333, the distance between the material selecting screen pieces 334 is not less than 20 cm, in the material selecting screen pieces 334, the front end surface of each material selecting screen piece 334 is positioned behind the feed inlet 106 and is not less than 5 cm with the distance between 335, the front end surface of the material selecting screen piece 334 positioned below exceeds the front end surface of the material selecting screen piece 334 positioned above by at least 10 cm, a transition screen piece 335 is arranged between the two adjacent material selecting screen pieces 334, a plurality of transition screen pieces 335 are embedded in the screen box 31 and are mutually connected with the reinforcing rib plates 333, the effective length 1/3-2/3 of the transition sieve sheet 335 is partially positioned right below the feed inlet 106, the rear end face of the transition sieve sheet 335 is positioned above the material selecting sieve sheet 334 below the two adjacent material selecting sieve sheets 334, the transition sieve sheet 335 forms an included angle of 0-30 degrees with the axis of the sieve box 331,
preferably, the damping mechanism 35 is any one or more of a spring damper, a hydraulic damper and a pneumatic damper.
Further optimally, the upper end faces of the bottoms of the first-stage material selecting sieve 32 and the second-stage material selecting sieve 33, corresponding to the large finished product discharging port 101, the secondary screening discharging port 102, the anti-mineral material discharging port 103, the bottom-laying discharging port 104 and the small finished product discharging port 105, are respectively provided with a grid plate 37 which is distributed in parallel with the axial lines of the first-stage material selecting sieve 32 and the second-stage material selecting sieve 33, and the grid hole axial lines of the grid plate 37 are distributed in a way of being vertical to the axial lines of the first-stage material selecting sieve 32 and the second-stage material selecting sieve.
Furthermore, the anti-mineral material discharging diversion trench 4, the large material discharging diversion trench 5, the small finished product discharging diversion trench 6 and the bedding material discharging diversion trench 7 are all hollow tubular structures with non-rectangular cross sections, a plurality of electrostatic electrodes 18 are uniformly distributed on the inner side wall of the upper end face of the anti-mineral material discharging diversion trench 4, the large material discharging diversion trench 5, the small finished product discharging diversion trench 6 and the bedding material discharging diversion trench 7, and the axes of the electrostatic electrodes 18 are vertically distributed with the axes of the anti-mineral material discharging diversion trench 4, the large material discharging diversion trench 5, the small finished product discharging diversion trench 6 and the bedding material discharging diversion trench 7 and are respectively electrically connected with the control system 16.
In this embodiment, the control system 16 is a circuit system based on an industrial computer, and at least one serial communication circuit and at least one internet-of-things controller are further disposed in the control system.
In this embodiment, at least one of the draught fans 13 is connected to the outer side of the sieving device 3.
In this embodiment, the screening material conveying mechanism 8, the return mineral bin 9, the bottoming bin 10, the small finished product bin 11, and the large finished product bin 12 are all interconnected with the bearing frame 31 of the screening device 3.
The utility model discloses when concrete operation, at first constitute through the control system drive the utility model discloses a screening plant, the drainage fan, dust collector, the slide valve and the swing mechanism operation of raw materials conveying mechanism and splitter box, will treat by raw materials conveying mechanism and filter the solid material and directly carry to the splitter box in, then by the slide valve and the swing mechanism operating condition of splitter box, carry out the water conservancy diversion to the material that adds into the splitter box, the messenger treats that filter the solid material and carries to screening operation from a certain reposition of redundant personnel chute of splitter box to corresponding screening plant, or the messenger treats that filter the solid material and carries to each screening plant through a certain each reposition of redundant personnel chute of chute simultaneously and sieves the operation to effectively improve the flexibility of screening operation control. When solid material carries to screening operation in the corresponding screening plant from a certain reposition of redundant personnel chute of splitter box simultaneously, the screening plant that other reposition of redundant personnel chutes communicate then is in the shutdown state, can satisfy and right under not influencing the screening operation prerequisite the utility model discloses carry out operations such as equipment maintenance, when solid material carries to each screening plant through a certain each reposition of redundant personnel chute of chute simultaneously and sieves the operation, then can effectual improvement to the work efficiency of solid material screening operation.
Meanwhile, when solid materials enter the screening device for screening operation, the solid materials fall onto the screen mesh of the primary screening sieve of the screening device at a high speed under the drive of kinetic energy provided by the raw material conveying mechanism, wherein the solid material particles and the materials with larger dead weight are positioned on the large finished product discharge port of the primary screening sieve at the position closer to the falling point of the screen mesh of the primary screening sieve, large particle materials positioned at different falling points rapidly pass through the primary screening sieve under the action of self kinetic energy and gravity by means of the oscillation driving force of the primary screening sieve and are directly conveyed into the large finished product bin through the large finished product discharge port, the materials with smaller particles flow on the screen mesh of the primary screening sieve for screening under the action of self kinetic energy and gravity by means of the oscillation driving force of the primary screening sieve, and the screened small particle materials are directly conveyed to the secondary screening sieve from the primary screening sieve for secondary screening, the residual large-particle materials with relatively large particle sizes are finally directly conveyed into a large finished product bin through a large finished product discharge port, so that the large-particle materials sequentially pass through the primary sorting screen screening operation according to the particle sizes, the large-particle material screening efficiency is effectively improved, the operation load during the primary sorting screen screening operation is effectively reduced, and the purposes of reducing the operation energy consumption of primary sorting screen equipment and the friction loss between the materials and the primary sorting screen are achieved;
when the residual materials after being screened by the first-stage material screening sieve are conveyed to the second-stage material screening sieve, firstly, the principle of the screening operation of the first-stage material screening sieve is the same, solid material particles and the materials with larger dead weight are closer to the tail end of the second-stage material screening sieve at the falling point of the screen, so that larger particulate materials directly fall on the uppermost material screening sieve of the second-stage material screening sieve, quickly pass through the second-stage material screening sieve along the uppermost material screening sieve and are conveyed into a bottom laying bin, the purpose of screening partial materials is quickly completed, the operation load of the second-stage material screening sieve is reduced while the screening efficiency is improved, smaller particle materials directly fall on a transition sieve of the second-stage material screening sieve, and under the driving of the self kinetic energy and gravity of the materials, the larger particle materials are conveyed to the other layer of material screening sieve which is close to the lower part of the uppermost material screening sieve along the transition sieve by the vibration driving force of the second-stage material, on the other hand, smaller particle materials are directly screened and conveyed to the next layer of material screening sieve through the transition sieve sheet until the solid materials finally fall into the ore return material on the bottom stroke of the second-level material screening sieve, wherein the solid materials with relatively smaller particle sizes of the upper layer of material screening sieve sheet are secondarily screened through the material screening sieve sheet, the materials are still solid material particles and materials with larger dead weights when the materials are secondarily screened, the falling point of the sieve screen is closer to the tail end of the second-level material screening sieve, the secondary screening is rapidly completed and conveyed to a small finished product bin for storage, and the materials left after screening through the material screening sieve sheets and the transition sieve sheet at all levels are conveyed to the ore return bin through the ore return material outlet at the bottom of the second-level material screening sieve, so that the screening operation is completed.
When the materials are screened, the kinetic energy and inertia of the solid materials are fully utilized, the path length of the materials passing through the screening device is effectively adjusted according to different material diameters and dead weights, the materials are divided into batches and are uniformly mixed with the primary sorting sieve and the secondary sorting sieve passing through the screening device, so that the defects of large-particle-diameter materials and small-particle-diameter materials of the traditional screening equipment, low screening efficiency, large friction loss, complex and large operation of the screening equipment and the like are effectively overcome while the solid materials are screened for multiple stages and multiple times to obtain materials with different specifications, the friction loss of the materials and the primary sorting sieve and the secondary sorting sieve of the screening device is reduced, the loads of the primary sorting sieve and the secondary sorting sieve of the screening device during operation are reduced, and the operation efficiency of the screening device is improved, Prolonged equipment life, and reduced the utility model discloses running cost and energy consumption have also prevented simultaneously because of the too big impaired condition emergence of screening mechanism that causes of load.
In addition, when the material screening operation is carried out, when the material screened by the primary material screening sieve and the secondary material screening sieve of the screening device passes through the reverse mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench, firstly, the dust pollutants in the reverse mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench are respectively conveyed to the dust removing equipment for purification through the diversion air pipes by the drainage fans in the stroke low-pressure areas in the reverse mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench, so that the dust pollution is prevented; when utilizing drainage fan and dust collecting equipment to carry out supporting dust removal operation simultaneously, the electrostatic machine in accessible anti-mineral aggregate ejection of compact guiding gutter in addition, big material ejection of compact guiding gutter, little finished product ejection of compact guiding gutter, bedding material ejection of compact guiding gutter adsorbs the concentration to the suspension dust, when satisfying dust purification, also helps the work efficiency that the operation was collected through drainage fan to the dust pollution when effectively overcoming solid material screening operation and the material loss that causes because of the dust.
The utility model discloses more traditional screening system has following advantage:
1. the working efficiency of screening operation can be greatly improved, the integration, modularization and automation degree of a screening system are improved, the structure of the screening system is effectively simplified, the dead weight of the screening system is reduced, the operation energy consumption, the construction and maintenance cost of the screening system are reduced, the space utilization rate of the screening system is effectively improved, the fault resistance of the screening system can be greatly improved, and the continuity and the stability of the operation of the screening operation are improved;
2. the efficiency of material screening operation can be effectively improved, the comprehensive utilization rate of the self kinetic energy of the material and the driving kinetic energy of the screening device during operation is greatly improved, the efficiency and the quality of the material screening operation are improved, the abrasion and the noise pollution between the operation material of the screening device and the equipment are effectively reduced, and the damage of the structure of the screening device caused by overlarge oscillation load is avoided, so that the stability and the reliability of the novel operation are further improved, the service life is prolonged, and the use and maintenance cost is reduced;
3. in the operation process, can realize carrying out the classified collection to different grade type materials in multiple simultaneously to at material screening in-process, cause dust pollution when effectively reducing the solid material flow, very big improvement the utility model discloses an environmental protection performance improves operational environment and helps reducing the material and collect, prevents that the material from managing the cost and the degree of difficulty of operation to the production environment because of the extravagant phenomenon of material that dust pollution caused and reduction material screening operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a compound screening system of high-efficient environmental protection solid material integral type which characterized in that: the high-efficiency environment-friendly solid material integrated composite screening system comprises a raw material conveying mechanism, a diversion channel, screening devices, an anti-mineral material discharging diversion channel, a large material discharging diversion channel, a small finished product discharging diversion channel, a bedding material discharging diversion channel, a screening material conveying mechanism, an ore returning bin, a bedding material bin, a small finished product bin, a large finished product bin, a drainage fan, a diversion air pipe, a dust removal device and a control system, wherein the raw material conveying mechanism is connected with the diversion channel and is mutually communicated with at least two screening devices through the diversion channel, the diversion channel comprises a guide chute, a gate valve and a diversion chute, the axes of the guide chute and the diversion chute are 15-60 degrees to the horizontal plane, the upper end face of the guide chute is positioned under the raw material conveying mechanism and is mutually communicated with the raw material conveying mechanism, and the lower end face is mutually communicated with the upper end faces of at least two diversion chutes, the diversion chute is provided with at least one gate valve at the connecting position of the leading-in chute, the lower end surface of the diversion chute is communicated with a screening device, the axis of the screening device forms an included angle of 20-60 degrees with the horizontal plane, and the screening devices are connected in parallel and are respectively communicated with a screened material conveying mechanism through a large material discharging diversion trench; the small finished product discharging diversion trench is communicated with a small finished product bin; the bottom paving material discharging diversion trench is communicated with a bottom paving bin; the ore return bin, the bottom paving bin, the small finished product bin and the large finished product bin are all positioned under the screening device, wherein the screening material conveying mechanism is also communicated with the large finished product storage bin, the upper end surfaces of the side walls of the anti-mineral material discharging diversion trench, the large material discharging diversion trench, the small finished product discharging diversion trench and the bedding material discharging diversion trench are respectively provided with at least one dust removal opening, the dust removal port is connected with the drainage fan through a diversion air pipe, the drainage fan is communicated with the dust removal device through a diversion air pipe, the number of the control systems is consistent with that of the screening devices, and each screening device is provided with a control system, and the control systems are interlocked and electrically connected with the screening devices, the drainage fan, the dust removal device, the raw material conveying mechanism and the gate valve of the splitter box respectively.
2. The system of claim 1, wherein the material conveying mechanism and the screening material conveying mechanism are any one of a hinge, a belt conveyor and a conveying chain plate.
3. An efficient environment-friendly integrated composite screening system for solid materials according to claim 1, wherein guide plates are additionally arranged in the guide chutes of the diversion chutes, the guide plates are mutually vertically distributed and slidably connected with the upper end surfaces and the lower end surfaces of the guide chutes, the rear end surfaces of the guide plates are mutually hinged with the lower end surfaces of the guide chutes between two adjacent diversion chutes through swing mechanisms, the lengths of the guide plates are 1.1-1.5 times of the inner diameters of the diversion chutes, and the axes of the guide plates and the axes of the guide chutes form included angles of 0-90 degrees, wherein the swing mechanisms are electrically connected with a control system.
4. The system of claim 1, wherein the screening device comprises a carrier frame, a primary sorting screen, a secondary sorting screen, a diversion chute, a damping mechanism and an excitation mechanism, the primary sorting screen and the secondary sorting screen are connected with the carrier frame through the damping mechanism, the primary sorting screen is located above the secondary sorting screen and distributed in the same linear direction, a large finished product discharge port and a secondary screening discharge port are arranged on the lower end surface of the primary sorting screen, the large finished product discharge port is located above the secondary screening discharge port, the large finished product discharge port and the secondary screening discharge port are respectively located above and below the screen of the primary sorting screen, the large finished product discharge port is communicated with the large material diversion chute, and the secondary screening discharge port is communicated with the secondary sorting screen through the diversion chute, the axial line of the first-stage material selecting screen and the axial line of the second-stage material selecting screen form an included angle of 20-60 degrees with the horizontal plane, the axial line of the first-stage material selecting screen and the axial line of the second-stage material selecting screen form an included angle of 0-45 degrees, the second grade material selecting sieve is respectively provided with a reverse mineral material discharge port, a bottom paving discharge port and a small finished product discharge port, and are respectively communicated with an anti-mineral material discharging diversion trench, a small finished product discharging diversion trench and a bedding material discharging diversion trench through an anti-mineral material discharging port, a bedding bottom discharging port and a small finished product discharging port, at least two vibration excitation mechanisms are respectively arranged on the primary material selection screen and the secondary material selection screen, the vibration excitation mechanisms are uniformly distributed along the axial direction of the primary material selection screen and the secondary material selection screen, the guide chute is respectively coaxially distributed with the first-stage material selecting screen and the second-stage material selecting screen, and two ends of the guide chute are respectively communicated with the first-stage material selecting screen and the second-stage material selecting screen through flexible sleeves.
5. The system according to claim 4, wherein the second-stage material selecting screen comprises a screen box, at least two bearing beams, reinforcing ribs, selecting screen plates, transition screen plates and a box cover, wherein the screen box has a U-shaped cross section, a groove-shaped axial cross section, a closed cavity structure formed by connecting the upper end surface of the screen box and the box cover, a feed inlet is formed in the front end surface of the screen box, a reverse mineral material discharge outlet is formed in the lower end surface of the screen box, a paving bottom discharge outlet and a small finished product discharge outlet are formed in the rear end surface of the screen box, the reverse mineral material discharge outlet, the paving bottom discharge outlet and the small finished product discharge outlet are respectively communicated with the reverse mineral material discharge guide groove, the paving bottom discharge guide groove and the small finished product discharge guide groove, the bearing beams are at least two, are embedded in the screen box, and are respectively connected with the side walls of the screen box, and the bearing beams are uniformly distributed along the axial direction of the screen box and are perpendicular to the axial direction of the, at least two reinforcing rib plates are embedded in the screen box and are mutually connected with the bearing cross beam and vertically distributed, each reinforcing rib plate is uniformly distributed along the axis direction of the bearing cross beam, at least two material selecting screen plates are embedded in the screen box and are distributed in parallel with the axis of the screen box, each material selecting screen plate is distributed from top to bottom and is mutually connected with the reinforcing rib plates, the distance between each material selecting screen plate is not less than 20 cm, in each material selecting screen plate, the front end surface of each material selecting screen plate is positioned behind the feed inlet and is not less than 5 cm with the distance between the transition screen plate, the front end surface of the material selecting screen plate positioned below the two adjacent material selecting screen plates exceeds the front end surface of the material selecting screen plate positioned above by at least 10 cm, a transition screen plate is arranged between the two adjacent material selecting screen plates, the transition screen plates are multiple, each transition screen plate is embedded in the screen box and is mutually connected with the reinforcing rib plates, and the effective length 1/3-2/3 part of each transition plate is positioned right below the, the rear end face of each transition sieve sheet is positioned above the material selecting sieve sheet below the two adjacent material selecting sieve sheets, and the transition sieve sheets and the axis of the sieve box form an included angle of 0-30 degrees.
6. The high-efficiency environment-friendly solid material integrated composite screening system according to claim 4, wherein the damping mechanism is one or more of a spring damper, a hydraulic damper and a pneumatic damper.
7. The efficient environment-friendly integrated composite screening system for solid materials according to claim 4 or 5, wherein the upper end surfaces of the bottoms of the primary sorting sieve and the secondary sorting sieve, which correspond to the large finished product discharge port, the secondary screening discharge port, the anti-mineral material discharge port, the bottoming discharge port and the small finished product discharge port, are respectively provided with a grating plate which is distributed in parallel with the axial lines of the primary sorting sieve and the secondary sorting sieve, and the axial lines of grating holes of the grating plates are vertically distributed with the axial lines of the primary sorting sieve and the secondary sorting sieve.
8. The system of claim 1, wherein the anti-mineral discharging diversion trench, the large-mineral discharging diversion trench, the small-finished-product discharging diversion trench, and the bedding material discharging diversion trench are all hollow tubular structures with non-rectangular cross sections, and a plurality of electrostatic electrodes are uniformly distributed on inner side walls of upper end faces of the anti-mineral discharging diversion trench, the large-mineral discharging diversion trench, the small-finished-product discharging diversion trench, and the bedding material discharging diversion trench, and axes of the electrostatic electrodes are vertically distributed with those of the anti-mineral discharging diversion trench, the large-mineral discharging diversion trench, the small-finished-product discharging diversion trench, and the bedding material discharging diversion trench, and are respectively electrically connected with the control system.
9. The integrated high-efficiency environment-friendly solid material screening system as claimed in claim 1, wherein the control system is an industrial computer-based circuit system, and at least one serial communication circuit and at least one internet-of-things controller are further provided in the control system.
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| CN201920566423.8U CN209953225U (en) | 2019-04-24 | 2019-04-24 | High-efficient environmental protection solid material integral type composite screening system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026334A (en) * | 2019-04-24 | 2019-07-19 | 焦作恒博科技有限公司 | A kind of compound screening system of high-efficiency environment friendly solid material integral type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110026334A (en) * | 2019-04-24 | 2019-07-19 | 焦作恒博科技有限公司 | A kind of compound screening system of high-efficiency environment friendly solid material integral type |
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