CN116101807A - Automatic material leveling and overflow preventing device of storage hopper and overflow preventing storage loading hopper of scraper conveyor - Google Patents
Automatic material leveling and overflow preventing device of storage hopper and overflow preventing storage loading hopper of scraper conveyor Download PDFInfo
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- CN116101807A CN116101807A CN202211388243.8A CN202211388243A CN116101807A CN 116101807 A CN116101807 A CN 116101807A CN 202211388243 A CN202211388243 A CN 202211388243A CN 116101807 A CN116101807 A CN 116101807A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
- B65G69/0416—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials with scraping belts or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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Abstract
The invention discloses an automatic material leveling and overflow preventing device of a storage hopper and an overflow preventing storage loading hopper of a scraper conveyor, which have the main points of the innovation scheme that: on the basis of the existing storage hopper, the overflow preventing device is additionally arranged and comprises a material leveling device frame, a chain transmission device, a pushing rake, a return inductor, a driving motor and a chain tensioning device; the chain transmission device is arranged in the frame of the material flattening device, two ends of the pushing rake are respectively connected with double transmission chains of the chain transmission device, the driving motor is connected with the chain transmission device, and the double return inductors are respectively arranged at two ends of the frame of the material flattening device to form the anti-overflow device. The overflow-preventing storage hopper is used, the whole device is arranged on the storage hopper, and a PLC is adopted to control a double-transmission chain to drive a pushing rake to automatically move back to push and level a filter cake mountain head piled in the storage hopper, so that the overflow of a false full hopper is prevented; the automatic material leveling and overflow preventing replaces manual material leveling and overflow preventing, improves the automation level and the production efficiency of the material storage and loading hopper, and eliminates the potential safety hazard existing in the overhead operation.
Description
Technical Field
The invention belongs to the technical field of scraper conveyors matched with closed filter cake dryers, and relates to an anti-overflow device of a storage hopper.
Background
The dryer is mechanical equipment for reducing the water content of materials by utilizing heat energy; the filter cake dryer is continuous drying equipment for carrying out subsequent treatment on filter cakes formed by the operation of the filter press; the closed filter cake dryer is a normal-pressure continuous convection type totally-closed environment-friendly filter cake dryer; the device mainly comprises a closed box body, a filter cake crushing and strip cutting mechanism, a double-layer net belt material conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism and a PLC program control system; the closed filter cake dryer works intermittently with the filter press, and is suitable for drying wet filter cake materials with the water content of 55-83% into dry filter cake strips with the water content of 10-35% (the drying rate is freely adjustable).
The scraper conveyor is equipment for continuously pushing bulk materials (granular materials and powder materials) in a rectangular section conveying trough by using double-chain traction with a scraper; the high-position output type scraper conveyor is a bent low-position feeding high-position output type scraper conveyor, is matched with a closed filter cake dryer, and can be also regarded as a scraper type high-position discharging mechanism of the closed filter cake dryer; mainly comprises a driving motor, a double-chain transmission device, a scraping plate, a lifting conveying chute, a storage hopper and a high-low bracket; the double-chain transmission device comprises a transmission chain, a driving chain wheel, a driven chain wheel, a driving shaft, a driven shaft and a bearing box; the lifting conveying trough comprises an internal receiving trough and an external conveying trough; the built-in receiving groove is arranged at the tail bottom of the closed box body and corresponds to the tail end of the lower layer mesh belt, and has the function of lifting and conveying the filter cakes dried by the closed filter cake dryer to the storage hopper.
The storage hopper, namely a high-level storage centralized hopper, mainly comprises a storage hopper, a discharge opening double door, a double door switch cylinder and a hopper bracket; the storage loading hopper is arranged below a discharge port of the lifting conveying chute, and a double door of the discharge port is normally closed; the capacity of the storage hopper corresponds to the yield of a single cycle period of the closed filter cake dryer, and the automatic loading function of the periodical full hopper of the temporary storage filter cake is realized.
The existing high-level storage centralized loading hopper has the following defects: because the filter cakes are different in size and shape, and the upper hopper opening of the storage hopper is much larger than the discharge opening of the lifting conveying trough, the filter cakes fall to the storage hopper to be piled up like a mountain, the piled filter cake mountain often deviates from the center of the storage hopper, the phenomenon of false full hopper easily occurs, namely, when the single cycle period of closed filter cake drying is not finished, the filter cakes overflow from one side of the storage hopper, and environmental sanitation is affected; in order to prevent the filter cake from overflowing from the false full bucket, a worker needs to manually push the filter cake mountain head flat by using a special tool, and potential safety hazards exist in high-altitude operation.
Disclosure of Invention
The invention aims to overcome the defects of the existing high-level storage centralized loading hopper, solve the technical problems that a filter cake falls to a storage hopper and is piled up like a mountain head, the filter cake mountain head is often deviated from the center of the storage hopper, the phenomenon of false full hopper overflow easily occurs, the environmental sanitation is affected, and the safety hidden danger exists in the operation of manually pushing the filter cake mountain head and working aloft by using a special tool, and provide an automatic material-leveling and overflow-preventing device of the storage hopper and an overflow-preventing storage loading hopper of a scraper conveyor; the overflow-preventing storage hopper of the scraper conveyor, which is provided with the automatic material-leveling overflow-preventing device of the storage hopper, is short for short because of limited number of patent names.
The innovative technical scheme adopted for solving the problems in the prior art is as follows: an automatic material leveling and overflow preventing device of a storage hopper (hereinafter referred to as a material leveling and overflow preventing device of the storage hopper), namely an automatic material leveling and overflow preventing device of a storage hopper of a high-position output type scraper conveyor, has the innovative overall structure which is compared with the prior art and has the key points of the overall technical scheme that: on the basis of the existing storage hopper, a storage hopper material leveling and overflow preventing device is additionally arranged, and the storage hopper material leveling and overflow preventing device comprises a material leveling device frame, a chain transmission device, a pushing rake, a return inductor, a driving motor and a chain tensioning device; the chain transmission device is arranged in the frame of the material flattening device, two ends of the pushing harrow are respectively connected with double transmission chains of the chain transmission device, an output shaft of the driving motor is connected with a driving shaft of the chain transmission device, the double return inductors are respectively arranged at two ends of the frame of the material flattening device to form a material flattening and overflow preventing device of the storage hopper, and the double transmission chains can drive the pushing harrow to reciprocate; the material-leveling and anti-overflow device of the storage hopper is arranged on the material-leveling and loading hopper and communicated with a PLC program control system of the dryer, the material-leveling and anti-overflow device of the storage hopper is started when necessary before the single cycle period of the closed filter cake dryer is finished, the material-pushing rake automatically pushes the filter cake mountain in the storage hopper back and forth, and the material-pushing rake automatically pauses after 3-5 times of back and forth, so that the false full hopper material overflow is effectively prevented; therefore, the technical problems that the filter cakes fall into the storage hopper to be piled up like the mountain head, the filter cake mountain head is often deviated from the center of the storage hopper, the phenomenon of false full hopper flash is easy to occur, the environmental sanitation is affected, and the special tool is used for manually pushing the filter cake mountain head and the potential safety hazard exists in high-altitude operation are solved.
The specific design scheme of the invention is as follows: (1) The material flattening device frame is a cubic material flattening device frame and comprises a frame main body, a bearing box mounting plate and a chain supporting plate; the length and width of the frame main body are equal to those of the upper bucket opening of the storage hopper, the height of the frame main body is larger than the diameter of the chain wheel, and the frame main body is formed by welding square tubes; the length of the chain supporting plate is smaller than that of the frame main body, and two ends of the chain supporting plate are bent; the double-bearing box mounting plates are respectively welded at the corresponding positions of the right ends of the two sides of the frame main body, the double-chain supporting plates are respectively welded at the lower edges of the two inner sides of the frame main body, and the bending parts at the two ends of the supporting plates face downwards to form a material flattening device frame; (2) The chain transmission device comprises a driving shaft, a driven shaft, a transmission chain, a chain wheel, a fixed bearing box, a rake connecting piece and a movable bearing box; the length of the driving shaft and the driven shaft which are arranged corresponds to the width of the frame of the material flattening device, and one end of the driving shaft is provided with a coupling key slot; the chain wheels comprise a driving chain wheel and a driven chain wheel; the length of the transmission chain corresponds to the distance between the driving sprocket and the driven sprocket; the rake connecting piece is angle steel rake connecting piece, and the vertical double sides are provided with connecting holes; the interconnection relationship is: double chain wheels are respectively arranged at two ends of the driving shaft to form a driving chain wheel shaft, and the double chain wheels are respectively arranged at two ends of the driven shaft to form a driven chain wheel shaft; the two ends of the driving sprocket shaft are respectively arranged in the double fixed bearing boxes, and the driven sprocket shaft is respectively arranged in the double movable bearing boxes; the transmission chain is arranged on the driving chain wheel and the driven chain wheel, and the double-rake connecting pieces are symmetrically arranged on the lower layer of the double transmission chain respectively to form a chain transmission device; the pushing rake of (3) comprises rake base plates and rake teeth; the length of the rake seat plate corresponds to the distance between the double transmission chains, and the two ends of the rake seat plate are respectively provided with three connecting holes; the rake teeth are vertically welded below the rake base plate to form a pushing rake; (4) The return inductor is an FSNA06 type proximity switch and can timely transmit the proximity information of the pushing rake to the PLC program control system; (5) The driving motor is a speed reducing motor and comprises a motor and a speed reducer, and the speed reducer is provided with an output shaft; (6) The chain tensioning device is a screw rod jacking type chain tensioning device and is provided with a movable bearing box sliding groove.
The connection relation of the main parts of the invention is as follows: for convenience of explanation, a storage hopper closely related to the invention is additionally arranged; (1) the assembly of the present invention: the double-chain tensioning devices are respectively pre-installed at the left ends of two sides of the material flattening device frame; the chain transmission device is arranged in the material flattening device frame, wherein the double fixed bearing boxes are respectively arranged on the double bearing box mounting plates, the double movable bearing boxes are respectively arranged in the sliding grooves of the double chain tensioning device, and the lower-layer chains of the double transmission chains are respectively arranged on the double chain supporting plates; after tensioning the chain by the chain tensioning device, fixing the chain tensioning device; the driving motor is arranged at the corresponding position of the right end behind the material flattening device frame and is connected with the driving shaft; the double return inductors are respectively arranged at two ends of the material flattening device frame; the material-leveling and overflow-preventing device of the storage hopper is formed, and the driving motor drives the chain transmission device and the double transmission chains to drive the pushing harrow to move back and forth. (2) the final assembly of the present invention: the material-leveling and anti-overflow device of the storage hopper is integrally arranged on the storage hopper, and the driving motor and the double-return inductor are respectively communicated with a PLC program control system of the dryer to form the anti-overflow storage hopper. (3) dynamic relationship of the present invention: the material-leveling and anti-overflow device of the storage hopper is started when necessary when the single cycle period of the closed filter cake dryer is ended for half an hour, the material-pushing rake moves towards one end, the return inductor timely transmits the approaching information of the material-pushing rake to the PLC program control system, the PLC program control system timely controls the driving motor to reverse so that the material-pushing rake returns, the material-pushing rake automatically and reciprocally pushes and level the filter cake mountain heads in the storage hopper, the material-pushing rake is effectively prevented from being overflowed by a false full hopper, meanwhile, the rake teeth can further rake and break larger filter cakes, high-temperature filter cake heat dissipation is facilitated, and the driving motor automatically pauses after the material-pushing rake reciprocates for 3-5 times, so that the filter cake dryer is obtained in one step.
The invention also provides an anti-overflow storage hopper of the scraper conveyor, namely an anti-overflow storage hopper of the high-position output scraper conveyor, and the automatic material-leveling and anti-overflow device of the storage hopper is used; the anti-overflow storage hopper mainly comprises a storage hopper, a discharge opening double-door, a double-door opening and closing oil cylinder, an opening and closing door limiter, a storage hopper material leveling and anti-overflow device and a storage hopper bracket, and shares a PLC program control system; the capacity of the storage hopper corresponds to the yield of a single cycle period of the closed filter cake dryer, and the automatic filter cake filling device has the functions of temporarily storing filter cakes, automatically leveling materials, preventing overflow and automatically loading in a periodical full hopper mode.
The invention provides an automatic material leveling and overflow preventing device of a storage hopper and an overflow preventing storage loading hopper of a scraper conveyor, which have outstanding substantive characteristics and remarkable progress that: by additionally arranging the material leveling and overflow preventing device of the storage hopper, the material leveling and overflow preventing device is integrally arranged on the storage hopper, and can automatically push and level the filter cake mountain heads in the storage hopper back and forth, thereby effectively preventing the overflow of the false full hopper; the automatic pushing filter cake mountain head replaces manual pushing filter cake mountain head, so that the automation level and the production efficiency are improved, and the potential safety hazard of high-altitude operation is eliminated; meanwhile, the rake teeth can further rake the larger filter cake, which is beneficial to heat dissipation of the high-temperature filter cake, so that the multi-performance of the storage hopper is improved; through using PLC program control, further improved scraper conveyor's automation level and production efficiency, the technological effect is showing.
Drawings
FIG. 1 is a schematic perspective view of a material leveling and overflow preventing device of a storage hopper.
FIG. 2 is a schematic top view of the material leveling and overflow preventing device of the storage hopper of the present invention.
FIG. 3 is a schematic perspective view of a material leveling device frame of the material leveling and overflow preventing device of the storage hopper.
Fig. 4 is a schematic perspective view of a chain transmission device and a driving motor of the material leveling and overflow preventing device of the storage hopper.
FIG. 5 is a schematic diagram of the connection between a chain tensioner and a movable bearing cartridge of a hopper flat material overflow preventing device of the present invention.
Fig. 6 is a schematic perspective view of a pushing rake of the hopper flat material overflow preventing device of the invention.
FIG. 7 is a schematic diagram showing the connection relationship between a pushing rake and a driving chain of the material leveling and overflow preventing device of the storage hopper.
FIG. 8 is a schematic diagram showing the assembly of the hopper flat material overflow preventing device and the corresponding hopper.
Fig. 9 is a schematic diagram of the assembly of a filter cake dryer using the scraper conveyor of the present invention.
Reference numerals: the device comprises a 1-flat material device frame, a 2-chain transmission device, a 3-pushing harrow, a 4-return inductor, a 5-bearing box mounting plate, a 6-chain supporting plate, a 7-driving motor, an 8-driving shaft, a 9-driven shaft, a 10-driving chain, an 11-chain wheel, a 12-chain tensioning device, a 13-fixed bearing box, a 14-harrow connecting piece, a 15-movable bearing box, 16-harrow teeth, a 17-storage hopper flat material overflow preventing device (the invention), a 18-storage hopper, a 19-scraper conveyor, a 20-PLC program control system and a 21-filter cake dryer.
The anti-overflow storage hopper comprises a 17-storage hopper material leveling and anti-overflow device and an 18-storage hopper.
Detailed Description
The following describes the technical solution in the embodiments of the present invention with reference to the drawings in the embodiments of the automatic material leveling and overflow preventing device of the storage hopper and the overflow preventing storage hopper of the scraper conveyor, and the described embodiments are only a part of the preferred embodiments of the present invention, but not all the preferred embodiments. Based on the embodiments of the present invention, all other embodiments that are not inventive, such as a storage hopper flat material overflow preventing device with the same flat material overflow preventing mode and similar structure, made by the person skilled in the art, all belong to the protection scope of the present invention.
Example 1
The main points of the innovative overall implementation scheme are that an automatic material leveling and overflow preventing device 17 (short: material leveling and overflow preventing device of a storage hopper) of the storage hopper are as follows: on the basis of the existing storage loading hopper 18, a storage hopper material leveling and overflow preventing device 17 is additionally arranged, and comprises a material leveling device frame 1, a chain transmission device 2, a pushing rake 3, a return inductor 4, a driving motor 7 and a chain tensioning device 12; the chain transmission device 2 is arranged in the material flattening device frame 1, two ends of the material pushing harrow 3 are respectively connected with a double transmission chain 10 of the chain transmission device 2, an output shaft of the driving motor 7 is connected with a driving shaft 8 of the chain transmission device 2, the double return Cheng Ganying devices 4 are respectively arranged at two ends of the material flattening device frame 1 to form a material flattening and anti-overflow device 17 of the storage hopper, and the double transmission chain 10 can drive the material pushing harrow 3 to reciprocate; the storage hopper flat material overflow preventing device 17 is arranged on the storage hopper 18 and connected with the PLC program control system 20 of the filter cake dryer 21, the storage hopper flat material overflow preventing device 17 is started when necessary before the single cycle period of the closed filter cake dryer 21 is finished, the material pushing harrow 3 automatically pushes up the filter cake mountain in the storage hopper in a reciprocating manner, and the material pushing harrow automatically pauses after 3-5 reciprocating times, so that the false full hopper overflow is effectively prevented; therefore, the technical problems that the filter cakes fall into the storage hopper to be piled up like the mountain head, the filter cake mountain head is often deviated from the center of the storage hopper, the phenomenon of false full hopper flash easily occurs, the environmental sanitation is affected, and the special tool is used for manually pushing the filter cake mountain head and the potential safety hazard exists in the high-altitude operation are solved; specific embodiments are described in detail below.
The material flattening device frame 1 is a cubic material flattening device frame 1 and comprises a frame main body, a bearing box mounting plate 5 and a chain supporting plate 6; the length and width of the frame main body are equal to the length and width of the upper bucket opening of the storage hopper 18, the height of the frame main body is larger than the diameter of the chain wheel 11, and the frame main body is formed by welding square tubes; the length of the chain supporting plate 6 is smaller than that of the frame main body, and two ends of the chain supporting plate are bent; the double-bearing box mounting plates 5 are respectively welded at the corresponding positions of the right ends of the two sides of the frame main body, the double-chain supporting plates 6 are respectively welded at the lower edges of the two inner sides of the frame main body, and the bending parts at the two ends of the supporting plates face downwards to form the material flattening device frame 1; is used for integrating all the components of the material-flattening and anti-overflow device 17 of the storage hopper.
The chain transmission device 2 comprises a driving shaft 8, a driven shaft 9, a transmission chain 10, a chain wheel 11, a fixed bearing box 13, a rake connecting piece 14 and a movable bearing box 15; the length of the driving shaft 8 and the driven shaft 9 which are arranged corresponds to the width of the material flattening device frame 1, and one end of the driving shaft 8 is provided with a coupling key slot; the set chain wheel 11 comprises a driving chain wheel and a driven chain wheel; the length of the transmission chain 10 corresponds to the distance between the driving sprocket and the driven sprocket; the rake connecting piece 14 is an angle steel rake connecting piece 14, and the vertical double sides of the angle steel rake connecting piece 14 are provided with connecting holes; the interconnection relationship is: the double chain wheels 11 are respectively arranged at two ends of the driving shaft 8 to form driving chain wheel shafts, and the double chain wheels 11 are respectively arranged at two ends of the driven shaft 9 to form driven chain wheel shafts; the two ends of the driving sprocket shaft are respectively arranged in the double fixed bearing boxes 13, and the driven sprocket shaft is respectively arranged in the double movable bearing boxes 15; the transmission chain 10 is arranged on the driving sprocket and the driven sprocket, and the double-rake connecting pieces 14 are symmetrically arranged on the lower layer of the double transmission chain 10 respectively to form the chain transmission device 2; the chain transmission device 2 is integrally arranged in the material flattening device frame 1, and a driving shaft 8 of the chain transmission device is connected with a driving motor 7; is used for transmitting power and driving the pushing harrow 3 to move back and forth.
The pushing rake 3 comprises a rake base plate and rake teeth 16; the length of the rake seat plate is corresponding to the distance between the double transmission chains 10, and the two ends of the rake seat plate are respectively provided with three connecting holes; the rake teeth 16 are vertically welded below the rake base plate to form a pushing rake 3; the two ends of the pushing rake 3 are respectively connected with a double transmission chain 10; for reciprocating with the double transmission chain 10, pushing the accumulated filter cake mountain in the storage hopper to prevent the overflow of the false full hopper.
The return inductor 4 is an FSNA06 type proximity switch and can timely transmit proximity information of the pushing rake 3 to the PLC program control system 20; the double return Cheng Ganying devices 4 are respectively arranged at two ends of the material flattening device frame 1; the device is used for timely transmitting information of the two ends of the pushing harrow 3 close to the flat material device frame 1 to the PLC program control system 20, and the PLC program control system 20 timely controls the driving motor 7 to rotate reversely to enable the pushing harrow 3 to return.
The driving motor 7 is a speed reducing motor and comprises a motor and a speed reducer, and the speed reducer is provided with an output shaft; the driving motor 7 is arranged at the corresponding position of the right end of the rear of the material flattening device frame 1 and is connected with the driving shaft 8; for programmed forward and reverse rotation to drive the dual drive chain 10 back and forth.
The chain tensioning device 12 is a screw tightening type chain tensioning device 12 and is provided with a chute of a movable bearing box 15; the double-chain tensioning devices 12 are respectively pre-installed at the left ends of the two sides of the material flattening device frame 1; the double movable bearing boxes 15 are respectively arranged in the sliding grooves of the double-chain tensioning device 12; for tensioning and releasing the drive chain 10.
The assembly of the invention: the double-chain tensioning devices 12 are respectively pre-installed at the left ends of the two sides of the material flattening device frame 1; the chain transmission device 2 is arranged in the material flattening device frame 1, wherein double fixed bearing boxes 13 are respectively arranged on double bearing box mounting plates 5, double movable bearing boxes 15 are respectively arranged in sliding grooves of double chain tensioning devices 12, and lower chains of double transmission chains 10 are respectively arranged on double chain supporting plates 6; after tensioning the drive chain 10 with the chain tensioner 12, the chain tensioner 12 is fixed; the driving motor 7 is arranged at the corresponding position of the right end of the rear of the material flattening device frame 1 and is connected with the driving shaft 8; the double return Cheng Ganying devices 4 are respectively arranged at two ends of the material flattening device frame 1; the material-leveling and anti-overflow device 17 of the storage hopper is formed in this way, and is integrally arranged on the storage hopper 18; the driving motor 7 drives the chain transmission device 2 and the double transmission chains 10 to drive the pushing harrow 3 to move back and forth to push the accumulated filter cake mountain heads in the storage hopper, so that the overflow of the false full hopper is effectively prevented.
The automatic material leveling and overflow preventing device 17 of the storage hopper has the outstanding substantial characteristics and remarkable progress that: the material leveling and overflow preventing device 17 of the storage hopper is additionally arranged, and the material leveling and overflow preventing device is integrally arranged on the material storage loading hopper 18, so that filter cake mountain heads can be piled up in the storage hopper automatically and reciprocally leveling, the volume utilization rate of the storage hopper is maximized, and the overflow of a false full hopper is effectively prevented; the automatic pushing filter cake mountain head replaces manual pushing filter cake mountain head, so that the automation level and the production efficiency are improved, and the potential safety hazard of high-altitude operation is eliminated; meanwhile, the rake teeth 16 can further rake the larger filter cake, so that the heat dissipation of the filter cake at high temperature is facilitated, multiple performances of the storage hopper 18 are improved, and the technical effect is remarkable.
Example 2
The invention provides an anti-overflow storage hopper (abbreviated as an anti-overflow storage hopper) of a scraper conveyor, namely an anti-overflow storage hopper of a high-position output type scraper conveyor, and an automatic material leveling and anti-overflow device 17 (abbreviated as a material leveling and anti-overflow device) of the storage hopper is used; the anti-overflow storage hopper mainly comprises a storage hopper, a discharge opening double-door, a double-door opening and closing oil cylinder, an opening and closing door limiter, a storage hopper material leveling and anti-overflow device 17 and a storage hopper bracket, and shares a PLC program control system 20; the capacity of the storage hopper corresponds to the yield of the closed filter cake dryer 21 in a single cycle period, and has the functions of temporarily storing filter cakes, automatically leveling materials, preventing overflow and automatically loading in a periodic full hopper mode.
Assembling an anti-overflow storage loading hopper: (1) mounting a storage hopper: the storage hopper is arranged on the storage hopper bracket; (2) mounting of a discharge port double door: the discharge opening double door is movably arranged on the discharge opening of the storage hopper and is normally closed; the switch door limiter is arranged at a corresponding position of the storage hopper corresponding to the discharge port double door; under the control of the PLC program control system 20, the unloading loading or unloading double doors of the unloading opening double doors can be automatically opened by extending or retracting the piston rod of the oil cylinder; (3) mounting a double door switch oil cylinder: the double door switch oil cylinders are arranged on two sides of one end of the storage hopper, and the oil cylinder piston rods of the double door switch oil cylinders are connected with rocker arms of the double doors with the discharge openings; (4) mounting a storage hopper flat material overflow preventing device 17: the material-leveling and anti-overflow device 17 of the storage hopper is integrally arranged on the storage hopper 18, and the pushing harrow 3 can automatically push the accumulated filter cake mountain heads in the storage hopper back and forth to prevent the overflow of the false full hopper.
Overflow-proof storage loading hopper assembly: the anti-overflow storage loading hopper is integrally arranged below a discharge port of a lifting conveying chute of the scraper conveyor 19, and a double door of the discharge port is normally closed; the driving motor 7, the double return inductor 4 and the switch door limiter are respectively communicated with a PLC program control system 20 of a filter cake dryer 21, and are connected with a shared hydraulic station by an oil pipe double door switch oil cylinder; the capacity of the storage hopper corresponds to the yield of the closed filter cake dryer 21 in a single cycle period, and has the functions of temporarily storing filter cakes, leveling materials, preventing overflow and periodically loading in a full hopper mode in a centralized and automatic mode.
The related working process of the anti-overflow storage loading hopper comprises the following steps: under the control of the PLC programmed system 20, (1) drying the filter cake: the closed filter cake dryer 21 cooperates with the filter press to intermittently work, and dries the filter cake; (2) temporarily storing the filter cake: the high-level output type scraper conveyor 19 lifts and conveys the dried filter cakes to a storage hopper 18 for temporary storage; (3) flat material overflow prevention: starting a material flattening and anti-overflow device 17 of a storage hopper when necessary when the single cycle period of the closed filter cake dryer 21 is ended for half an hour, enabling a material pushing rake 3 to move towards one end, timely transmitting approaching information of the material pushing rake 3 to a PLC program control system 20 by a return inductor 4, timely controlling a driving motor 7 to reversely rotate by the PLC program control system 20 to enable the material pushing rake 3 to return, automatically flattening a filter cake mountain head accumulated in the storage hopper in a reciprocating manner by the material pushing rake 3, effectively preventing the overflow of a false full hopper, simultaneously enabling a larger filter cake to be further raked by rake teeth 16, facilitating heat dissipation of a high-temperature filter cake, automatically suspending the driving motor 7 after the material pushing rake 3 reciprocates for 3-5 times, and achieving two purposes; (4) cake unloading and loading: when the single cycle period of the closed filter cake dryer 21 is finished and the filter cake is fully accumulated in the storage hopper, the double-door opening and closing cylinder drives the discharge opening double doors to open, and the filter cake falls into the transport hopper so as to be concentrated and transported outwards; (5) a reciprocation cycle: after unloading and loading, the double-leaf door of the unloading opening is automatically closed, and the filter cake is stored temporarily, the flat material is prevented from overflowing, and the unloading and loading are performed in a reciprocating cycle.
The overflow-preventing storage loading hopper of the scraper conveyor provided by the invention has the outstanding substantial characteristics and remarkable progress that the automatic material-leveling overflow-preventing device 17 of the storage hopper is used: the material-leveling and anti-overflow device 17 of the storage hopper is additionally arranged, and the material-leveling and anti-overflow device is integrally arranged on the storage hopper 18, so that the accumulated filter cake mountain heads in the storage hopper can be automatically pushed back and forth, the volume utilization rate of the storage hopper is maximized, and the material overflow of a false full hopper is effectively prevented; the automatic pushing of the filter cake mountain head replaces the manual pushing of the filter cake mountain head, so that the automation level and the production efficiency of the storage hopper 18 are improved, and the potential safety hazard of high-altitude operation is eliminated; meanwhile, the rake teeth 16 can further rake the larger filter cake, thereby being beneficial to heat dissipation of the high-temperature filter cake, achieving two purposes and improving multiple performances of the storage hopper; by using the PLC program control system 20 for control, the automation level and the production efficiency of the scraper conveyor 19 are further improved, and the technical effect is remarkable.
Claims (4)
1. An automatic material leveling and overflow preventing device for a storage hopper, namely an automatic material leveling and overflow preventing device for a storage hopper of a high-position output type scraper conveyor, comprises a material leveling device frame, a chain transmission device, a pushing rake, a return inductor, a driving motor and a chain tensioning device; the method is characterized in that: the material flattening device frame is a cubic material flattening device frame and comprises a frame main body, a bearing box mounting plate and a chain supporting plate; the chain transmission device comprises a driving shaft, a driven shaft, a transmission chain, a chain wheel, a fixed bearing box, a rake connecting piece and a movable bearing box; the pushing rake comprises a rake base plate and rake teeth; the length of the rake seat plate corresponds to the distance between the double transmission chains, and the two ends of the rake seat plate are respectively provided with three connecting holes; the rake teeth are vertically welded below the rake base plate to form a pushing rake; the return inductor is an FSNA06 type proximity switch and can timely transmit the proximity information of the pushing rake to the PLC program control system; the driving motor is a speed reducing motor and comprises a motor and a speed reducer, and the speed reducer is provided with an output shaft; the chain tensioning device is a screw rod jacking type chain tensioning device and is provided with a movable bearing box chute; the interconnection relationship is: the double-chain tensioning devices are respectively pre-installed at the left ends of two sides of the material flattening device frame; the chain transmission device is arranged in the material flattening device frame, wherein the double fixed bearing boxes are respectively arranged on the double bearing box mounting plates, the double movable bearing boxes are respectively arranged in the sliding grooves of the double chain tensioning device, and the lower-layer chains of the double transmission chains are respectively arranged on the double chain supporting plates; after tensioning the chain by the chain tensioning device, fixing the chain tensioning device; the driving motor is arranged at the corresponding position of the right end behind the material flattening device frame and is connected with the driving shaft; the double return inductors are respectively arranged at two ends of the material flattening device frame; so form the automatic flat material anti-overflow device of storage hopper, the automatic flat material anti-overflow device of storage hopper is wholly installed on storage hopper, driving motor and two return inductor UNICOM desiccator's PLC program control system respectively, driving motor drive chain drive device, two drive chains drive the pushing ram and can reciprocate and push away the filter cake mountain head that stacks in the storage hopper, prevent false full fill flash.
2. The automatic material leveling and overflow preventing device of a storage hopper according to claim 1, wherein: the length and width of the frame main body arranged on the material flattening device frame are equal to those of the upper bucket opening of the material storage loading hopper, the height of the frame main body is larger than the diameter of the chain wheel, and the frame main body is formed by welding square tubes; the length of the chain supporting plate is smaller than that of the frame main body, and two ends of the chain supporting plate are bent; the double-bearing box mounting plates are respectively welded at the corresponding positions of the right ends of the two sides of the frame main body, the double-chain supporting plates are respectively welded at the lower edges of the two inner sides of the frame main body, and the bending parts at the two ends of the supporting plates face downwards to form the material flattening device frame.
3. The automatic material leveling and overflow preventing device of a storage hopper according to claim 1, wherein: the length of the driving shaft and the driven shaft of the chain transmission device is corresponding to the width of the frame of the material flattening device, and one end of the driving shaft is provided with a coupling key slot; the chain wheels comprise a driving chain wheel and a driven chain wheel; the length of the transmission chain corresponds to the distance between the driving sprocket and the driven sprocket; the rake connecting piece is angle steel rake connecting piece, and the vertical double sides are provided with connecting holes; the interconnection relationship is: double chain wheels are respectively arranged at two ends of the driving shaft to form a driving chain wheel shaft, and the double chain wheels are respectively arranged at two ends of the driven shaft to form a driven chain wheel shaft; the two ends of the driving sprocket shaft are respectively arranged in the double fixed bearing boxes, and the driven sprocket shaft is respectively arranged in the double movable bearing boxes; the transmission chain is arranged on the driving chain wheel and the driven chain wheel, and the double-rake connecting pieces are symmetrically arranged on the lower layer of the double transmission chain respectively to form a chain transmission device.
4. An anti-overflow storage hopper of a scraper conveyor, namely an anti-overflow storage hopper of a high-position output type scraper conveyor, mainly comprises a storage hopper and a storage hopper material leveling anti-overflow device, and shares a PLC program control system; the storage hopper comprises a storage hopper, a discharge opening double door, a double door opening and closing oil cylinder, a door opening and closing limiter and a storage hopper bracket; the method is characterized in that: the storage hopper material leveling and overflow preventing device is the automatic material leveling and overflow preventing device of the storage hopper according to any one of claims 1-3; the material leveling and overflow preventing device of the storage hopper is integrally arranged on the storage hopper, and the driving motor and the double return inductors are respectively communicated with a PLC program control system of the dryer to form the overflow preventing storage hopper; the capacity of the storage hopper corresponds to the yield of a single cycle period of the closed filter cake dryer, and the automatic filter cake filling device has the functions of temporarily storing filter cakes, automatically leveling materials, preventing overflow and automatically loading in a periodical full hopper mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388243.8A CN116101807A (en) | 2022-11-08 | 2022-11-08 | Automatic material leveling and overflow preventing device of storage hopper and overflow preventing storage loading hopper of scraper conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388243.8A CN116101807A (en) | 2022-11-08 | 2022-11-08 | Automatic material leveling and overflow preventing device of storage hopper and overflow preventing storage loading hopper of scraper conveyor |
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| CN116101807A true CN116101807A (en) | 2023-05-12 |
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| CN202211388243.8A Pending CN116101807A (en) | 2022-11-08 | 2022-11-08 | Automatic material leveling and overflow preventing device of storage hopper and overflow preventing storage loading hopper of scraper conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117088156A (en) * | 2023-10-19 | 2023-11-21 | 赣州好朋友科技有限公司 | Flat material device and ore sorting equipment |
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2022
- 2022-11-08 CN CN202211388243.8A patent/CN116101807A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117088156A (en) * | 2023-10-19 | 2023-11-21 | 赣州好朋友科技有限公司 | Flat material device and ore sorting equipment |
| CN117088156B (en) * | 2023-10-19 | 2023-12-26 | 赣州好朋友科技有限公司 | Flat material device and ore sorting equipment |
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