CN116408261B - Slag separation recycling optimization system based on green coal mine - Google Patents
Slag separation recycling optimization system based on green coal mine Download PDFInfo
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- CN116408261B CN116408261B CN202310641194.2A CN202310641194A CN116408261B CN 116408261 B CN116408261 B CN 116408261B CN 202310641194 A CN202310641194 A CN 202310641194A CN 116408261 B CN116408261 B CN 116408261B
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- bucket
- screening
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- hopper
- box
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- 239000002893 slag Substances 0.000 title claims abstract description 53
- 238000000926 separation method Methods 0.000 title claims abstract description 20
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000005457 optimization Methods 0.000 title claims abstract description 10
- 238000004064 recycling Methods 0.000 title claims abstract description 9
- 238000012216 screening Methods 0.000 claims abstract description 187
- 239000000843 powder Substances 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000001174 ascending effect Effects 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims abstract 8
- 238000000429 assembly Methods 0.000 claims abstract 8
- 230000033001 locomotion Effects 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 12
- 239000010881 fly ash Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a slag separation and recycling optimization system based on a green coal mine, which comprises a screening module, wherein a cleaning module is arranged behind the screening module, slag aggregate is screened by the screening module and then cleaned by the cleaning module, and then dried or burned, the screening module comprises a feeding frame assembly, a screening box and a powder ash conveyor belt, the upper end of the feeding frame assembly is supported above the screening box, the powder ash conveyor belt for conveying powder ash is arranged below the feeding frame assembly, a plurality of hopper assemblies are annularly conveyed in the feeding frame assembly, the hopper assemblies are subjected to shaking screening in the ascending process, the powder ash is separated and falls onto the powder ash conveyor belt, the top of the hopper assemblies is transversely moved, the bottom of the hopper assemblies is opened, the aggregate is fed into the screening box, a plurality of screening plate groups are arranged in the screening box, and each screening plate group corresponds to a box discharge hole. The invention separates the powder ash in advance, avoids the powder ash from flying during screening, collects and utilizes the powder ash, fully recycles the resource and achieves the aim of environmental protection.
Description
Technical Field
The invention relates to the field of slag separation and reuse, in particular to a green coal mine-based slag separation and reuse optimization system.
Background
Coal gangue, slag and fly ash which are produced along with coal during coal mining are discarded as wastes for a long time, and the research and the utilization of the waste are very little. The consequences of accumulation of coal mine slag in long-term daily month are shown, so that the coal mine slag needs to be recovered, the pollution of the coal mine slag to the environment is reduced, and the coal mine slag is reused, thereby achieving the aim of changing waste into valuables.
The existing screening device lacks the front separation to the powder ash, and then directly classifies the slag according to the difference of particle sizes, and the powder ash is usually separated from slag aggregate in the same container, so that the powder ash in the screening device flies upward, and the separated slag carries a large amount of powder ash, so that the powder ash is wasted, and cannot be well collected and utilized, so that the resource waste is caused.
Disclosure of Invention
The invention aims to provide a slag separation and recycling optimization system based on a green coal mine, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a slag separation recycling optimizing system based on green colliery, includes screening module, is provided with cleaning module behind the screening module, and slag aggregate is earlier through screening module screening and is washd through cleaning module again, then sends drying or burning through the conveyer belt, screening module includes material loading frame subassembly, screening case, powder ash conveyer belt, material loading frame subassembly slope sets up, and its upper end supports in screening case top, is provided with the powder ash conveyer belt that transports powder ash under the material loading frame subassembly, a plurality of hopper subassemblies of annular conveying in the material loading frame subassembly, and the hopper subassembly carries out shake screening in the in-process that goes up, falls powder ash on the powder ash conveyer belt with powder ash separation, and the bottom is opened when hopper subassembly top lateral shifting, sends the aggregate into the screening case, be provided with a plurality of screening plate groups and one set of dust fall system of wasing in the screening case, every screening plate group corresponds a case discharge gate, sends the aggregate after the screening and carries out subsequent handling.
Preferably, the feeding frame assembly comprises an outer frame driving the hopper assembly to move and an inner frame assisting the hopper assembly to slide, the outer frame and the inner frame are connected through a support, a conveying chain wheel set used for driving the hopper assembly to move is arranged in the outer frame, the conveying chain wheel set is formed into a closed loop by annular arrangement of two side conveying chain wheel sets and two transverse conveying chain wheel sets, the side conveying chain wheel sets and the transverse conveying chain wheel sets are meshed with each other through bevel gears, one chain wheel of the conveying chain wheel sets is fixedly connected with an output shaft of a motor, the motor is fixed in the outer frame, side edges where the two side conveying chain wheel sets are located in the outer frame are provided with side grooves, sides where the two transverse conveying chain wheel sets are located are provided with transverse grooves, one end, close to the screening box, of the outer frame is further provided with a cross rod, and two ends of the cross rod are fixed on the outer frame.
Preferably, the horizontal conveying chain wheel group comprises a plurality of chain wheels, the plurality of chain wheels are arranged into an isosceles trapezoid and are connected through chain transmission, and a plurality of clamping blocks are fixedly connected to the chain and used for clamping the movable hopper assembly; the horizontal conveying chain wheel set is arranged close to the screening box and is arranged in a trapezoid shape, and the horizontal conveying chain wheel set far away from the screening box is arranged in an inverted trapezoid shape.
Preferably, a pulley is arranged on one side of the transverse groove opposite to the trapezoid short side of the transverse conveying chain wheel set, the pulley is slidably connected in the inner frame and pushed by a spring, and the pulley and the clamping block clamp the transverse movement auxiliary block together.
Preferably, an auxiliary chute for assisting the sliding of the hopper assembly is arranged below the side chute, one end of the auxiliary slide block is connected with the auxiliary chute in a sliding manner, the auxiliary slide block is fixed on the vibration slide frame, and two ends, close to the transverse chute, of the auxiliary chute are provided with openings for being matched with the auxiliary slide block to separate.
Preferably, the hopper assembly comprises a vibration slide frame and a slide hopper, the vibration slide frame is provided with the slide hopper in a sliding manner, the upper end and the lower end of the vibration slide frame are fixedly connected with a transverse movement auxiliary block, the transverse movement auxiliary block can be inserted into a transverse groove, the left side and the right side of the vibration slide frame are respectively fixedly connected with a hopper chain wheel, the hopper chain wheels can extend into the side grooves to be meshed with a chain of a side conveying chain wheel group, the vibration slide frame is provided with a vibration screening mechanism for pushing the slide hopper to screen, and two hopper discharging mechanisms for discharging are symmetrically arranged on the slide hopper.
Preferably, the vibration screening mechanism comprises a bucket eccentric wheel, a bucket screening gear and a bucket screening rack, wherein the bucket eccentric wheel is fixedly connected with the bucket screening gear through a shaft, the bucket eccentric wheel and the bucket screening gear are rotationally connected on the vibration sliding frame, the bucket eccentric wheel is in contact connection with the sliding bucket, the bucket screening gear is meshed with the bucket screening rack, the bucket screening rack is arranged below the auxiliary sliding chute on the outer frame, one end of the bucket sliding block is fixedly connected below two ends of the sliding bucket, the other end of the bucket sliding block slides in the vibration sliding frame, one end of the bucket sliding block spring for pushing the bucket sliding block to reset is fixedly connected on one side of the bucket sliding block, and the other end of the bucket sliding block spring is fixed in the vibration sliding frame.
Preferably, the bucket unloading mechanism comprises an opening hook, a bucket clamping block and a bucket bottom plate gear, a bucket bottom plate is arranged in the sliding bucket, one end of the bucket bottom plate is hinged with the sliding bucket, the other end of the bucket bottom plate is connected with the sliding bucket through a bucket clamping block in a clamping mode, a plurality of sieve holes are formed in the bucket bottom plate, the opening hook end can be hooked on a cross rod, the other end of the opening hook end enters the sliding bucket side wall and is fixedly connected with the middle part of an L-shaped bucket pushing block, one side of the bucket pushing block, far away from a hinging point of the bucket bottom plate, is provided with an inclined plane and a groove in the bucket clamping block in a sliding mode, one end of the bucket clamping block is slidably connected in the sliding bucket, the other end of the bucket clamping block is slidably extended out of the sliding bucket, one end of the bucket clamping block is fixedly connected with one end of a bucket clamping block spring, the other end of the bucket spring is fixedly connected with one end of the bucket clamping block, the bucket rack is meshed with the bucket bottom plate gear, the bucket bottom plate gear is concentrically arranged with the hinging point, the bucket bottom plate gear is fixedly connected with the sliding bucket bottom plate, the bucket bottom plate gear is rotationally connected with the sliding bucket, and the bucket tooth bar slides in the sliding bucket, and the sliding bucket through the reset spring.
Preferably, the screening plate group comprises a feeding plate and a screening plate, the feeding plate and the screening plate are both inclined in the screening box and are not parallel, and the feeding plate enables aggregate to fall on one high end of the screening plate; the feeding plate one end is fixed in screening case, and sieve sliding connection is in screening case, and the lower limit of the lowest end of sieve and case discharge gate aligns, the one side contact connection case eccentric wheel of sieve, its homonymy still fixed connection case vibration spring's one end, and case vibration spring's other end is fixed on screening case, and case eccentric wheel passes through motor drive, cooperation case vibration spring makes the sieve vibrations screening.
Preferably, a plurality of baffle plates are arranged on the sieve plate, so that aggregates are prevented from rolling too fast and leaving from a discharge hole of the box without sieving; two triangular discharging guide blocks are arranged on two sides of the discharging hole of the box, and the discharging guide blocks are fixed in the screening box.
Preferably, the cleaning and dust-settling system comprises a water supply pipe and a drain pipe arranged at the bottom of the screening box, wherein the water supply pipe is matched with the screening plate group, a plurality of water supply pipes are arranged between each group of feeding plates and the screening plate, the water supply pipes are arranged in parallel, and a plurality of spray heads are arranged on the water supply pipes so as to clean and settle dust for screening in the screening box.
Compared with the prior art, the invention has the beneficial effects that: the invention separates the powder ash in advance, avoids the powder ash from flying during screening, collects and utilizes the powder ash at the same time, fully recycles the resource and achieves the purpose of green environmental protection; during operation, the feeding frame assembly drives the hopper assembly to feed, the hopper assembly screens in the feeding process, the powder ash is separated from slag, the powder ash falls on the powder ash conveyor belt and is transported away by the powder ash conveyor belt to be reused, the residual slag from which the powder ash is separated is transported to the screening box by the feeding frame assembly, the screening is carried out according to the grain size of slag, the powder ash is screened out in the feeding process, and the feeding screening efficiency is improved;
according to the invention, the feeding frame assembly can drive the hopper assembly to do annular motion, meanwhile, energy is saved for screening, the motor drives the conveying chain wheel set to work, so that the hopper assembly moves in the outer frame to do annular motion along the outer frame, in the ascending process of the hopper assembly, the hopper screening gear is meshed with the hopper screening rack, and the sliding hopper is made to do reciprocating motion under the combined action of the hopper sliding block spring and the hopper eccentric wheel along with the ascending of the hopper assembly, thereby realizing screening in the feeding process and separating the powder ash in a first step;
the invention can automatically discharge, the slag after the powder ash is removed is conveniently sent into the screening box, when the hopper component runs to the upper end of the outer frame and is positioned on the screening box, the two opening hooks at the two sides are hooked with the cross bars, the hopper component continues to move upwards, so that the opening hooks relatively move, the hopper clamping block retracts, the locking of the hopper bottom plate is released, and the hopper bottom plate gear drives the hopper bottom plate to rotate and open through the shaft, so that the slag falls into the screening box;
the invention is provided with a screening plate group, the screening plate group comprises a feeding plate and a screening plate, the feeding plate concentrates slag at the highest point of the screening plate so as to facilitate the screening work, a box eccentric wheel pushes the screening plate to vibrate, the screening efficiency is improved, the screening plate is provided with a plurality of baffle plates, aggregates are prevented from rolling too fast and leaving from a discharge hole without screening, two triangular discharge guide blocks are arranged on two sides of the discharge hole, and the fallen slag forms guide to the discharge hole so as to be gathered to facilitate the discharging, and the slag is prevented from being detained in a screening box.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the screening module of the present invention;
FIG. 3 is a schematic view of the front view of the hopper assembly of the present invention;
FIG. 4 is a schematic diagram of a vibratory screening machine according to the present invention;
FIG. 5 is a schematic view of the bucket floor of the present invention in an open position;
FIG. 6 is a schematic view of the bucket discharge mechanism of the present invention;
FIG. 7 is a schematic view of a bucket clip of the present invention;
FIG. 8 is a schematic diagram of a conveyor sprocket assembly according to the present invention;
FIG. 9 is a schematic diagram of a transverse transfer sprocket set according to the present invention;
FIG. 10 is a schematic diagram of a side transfer sprocket set engaged with a bucket sprocket in accordance with the present invention;
FIG. 11 is a schematic diagram of the vibrating slide frame of the present invention walking on the outer frame;
FIG. 12 is a schematic view of an auxiliary chute according to the present invention;
FIG. 13 is a schematic view of the internal structure of the screening box of the present invention;
fig. 14 is a schematic view of the structure of the screen deck of the present invention;
fig. 15 is a schematic structural view of a screen deck according to the present invention.
In the figure: A. screening module, 1, loading frame assembly, 101, outer frame, 102, inner frame, 103, side transfer sprocket set, 104, cross transfer sprocket set, 105, cross bar, 106, side channel, 107, cross channel, 108, pulley, 109, clamp block, 2, screening box, 201, feed deck, 202, screen deck, 203, box discharge port, 204, discharge guide block, 205, box eccentric, 206, baffle, 207, discharge deck, 208, box vibration spring, 209, water supply pipe, 3, ash conveyor belt, 4, hopper assembly, 401, vibratory slide frame, 402, slide hopper, 403, hopper bottom plate, 404, hopper eccentric, 405, hopper screening gear, 406, opening hook, 407, hopper sprocket, 408, hopper clamp block, 409, hopper push block, 410, teeth 411, hopper bottom plate gear, 412, hopper push block spring, 413, hopper clamp block spring, 414, auxiliary slide block, 415, auxiliary slide slot, 416, hopper slide block, 417, hopper slide block spring, 418, teeth bar spring, 419, lateral movement auxiliary block, 420, B, cleaning module, and cleaning module.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-15, in order to solve the problem that the fly ash in the screening device is generally separated from slag aggregate in the same container, so that the fly ash in the screening device flies, and the separated slag carries a large amount of fly ash to cause waste of fly ash, the front separation of fly ash is achieved, the fly ash is prevented from flying during screening, and meanwhile, the fly ash is collected and utilized, resources are fully recycled, and the purpose of green and environment protection is achieved, the invention provides a technical scheme that: the utility model provides a slag separation and recycling optimizing system based on green colliery, including screening module A, be provided with cleaning module B behind the screening module A, slag aggregate carries out screening through screening module A earlier and washs through cleaning module B again, then send dry or burn through the conveyer belt, screening module A includes material loading frame subassembly 1, screening case 2, powder ash conveyer belt 3, material loading frame subassembly 1 slope sets up, its upper end supports in screening case 2 top, through fixed or centre gripping or set up the spacing mode of dog at material loading frame subassembly 1 bottom or upper end, make material loading frame subassembly 1 keep the slope, not shown in the drawing, be provided with the powder ash conveyer belt 3 that carries the powder ash under the material loading frame subassembly 1, a plurality of hopper subassemblies 4 are carried out the shake screening in the in-process to material loading frame subassembly 1, with powder ash separation fall to powder ash conveyer belt 3, the bottom is opened when the top lateral shifting of hopper subassemblies 4, send the aggregate into screening case 2, be provided with a plurality of screening plate groups and a set of washing dust fall into dust fall system in the screening case 2, set up the required diameter quantity of screening plate group sets, make the aggregate is directly carried out in the back through the screen cloth, the guide rail is carried out to the module B is carried out to the cleaning module, if the aggregate is carried out in the module B, the back is carried out to the cleaning module, carry out the aggregate is washed in the aggregate, if the aggregate is carried out, and is washed in the aggregate is directly in the conveying frame is carried out. In this application, electrical equipment such as motor, cylinder, push rod all adopt current model. During operation, the feeding frame assembly 1 drives the hopper assembly 4 to feed, the hopper assembly 4 screens in the feeding process, the powder ash is separated from slag, the powder ash falls on the powder ash conveyor belt 3 and is transported away through the powder ash conveyor belt 3 to be reused, and the residual slag from which the powder ash is separated is transported to the screening box 2 by the feeding frame assembly 1 and drives the hopper assembly 4 to screen according to the grain size of slag; the feeding frame assembly 1 is when driving hopper assembly 4 to go upward, and hopper assembly 4 shake screening, go out the powder ash screening in-process of feeding, improved material loading screening efficiency, the hopper assembly 4 is opened when moving feeding frame assembly 1 upper end, sends the slags into screening case 2, and the hopper assembly 4 closes when leaving feeding frame assembly 1 upper end, then the decline is ready to go on the material loading screening once more.
Referring to fig. 1-2 and 8-9, in order to make the feeding frame assembly 1 capable of driving the hopper assembly 4 to do annular motion and simultaneously save energy, the feeding frame assembly 1 comprises an outer frame 101 for driving the hopper assembly 4 to move and an inner frame 102 for assisting the hopper assembly 4 to slide, the outer frame 101 and the inner frame 102 are connected through a bracket, a conveying chain wheel set for driving the hopper assembly 4 to move is arranged in the outer frame 101, the conveying chain wheel set is formed into a closed loop by annularly arranging two side conveying chain wheel sets 103 and two transverse conveying chain wheel sets 104, the side conveying chain wheel sets 103 and the transverse conveying chain wheel sets 104 are meshed with each other through bevel gears, one chain wheel of the conveying chain wheel sets is fixedly connected with an output shaft of a motor, the motor is fixed in the outer frame 101, a side groove 106 is formed in a side of the outer frame 101, a transverse groove 107 is formed in a side of the outer frame 101, one end, close to the screening box 2, of the transverse rod 105 is fixed on the outer frame 101; the inner frame 102 is provided with a groove for accommodating and assisting sliding, and the assisting sliding block 414 and the bucket chain wheel 407 slide in the groove; during operation, the motor drives the conveying chain wheel set to work, the side conveying chain wheel set 103 and the transverse conveying chain wheel set 104 are driven by the bevel gears meshed with each other, so that the two side conveying chain wheel sets 103 and the two transverse conveying chain wheel sets 104 rotate simultaneously, chains of the side conveying chain wheel sets 103 and the transverse conveying chain wheel sets 104 move, the chains move to drive the hopper assembly 4 to move, the hopper assembly 4 moves in the outer frame 101 to do annular motion along the outer frame 101, and the cross rod 105 controls the hopper assembly 4 to open for discharging.
Referring to fig. 8, the side conveying sprocket set 103 includes two sprockets rotatably connected in the outer frame 101, and a bucket sprocket 407 is placed on a chain by chain transmission, and the bucket sprocket 407 is moved by a chain belt to assist the cooperation of the auxiliary slider 414, so as to avoid the skew of the bucket assembly 4.
Referring to fig. 8-9, in order to facilitate movement of the hopper assembly 4, the horizontal conveying sprocket set 104 includes a plurality of sprockets arranged in an isosceles trapezoid and connected by a chain in a transmission manner, and a plurality of clamping blocks 109 are fixedly connected to the chain for clamping the movement of the hopper assembly 4; the horizontal conveying chain wheel group 104 is arranged close to the screening box 2 in a positive trapezoid, the horizontal conveying chain wheel group 104 far away from the screening box 2 is in an inverted trapezoid, when the hopper assembly 4 moves to the uppermost end and the lowermost end, the horizontal moving auxiliary block 419 is just inserted into the horizontal groove 107, the horizontal conveying chain wheel group 104 close to the screening box 2 is arranged below the horizontal groove 107, the horizontal moving auxiliary block 419 inserted into the horizontal groove 107 is clamped by matching the clamping block 109 of the short side arranged close to the upper side of the trapezoid with the upper side of the horizontal groove 107, so that the front end of the hopper assembly 4 is tilted, the hopper chain wheel 407 is separated from the chain of the uplink side conveying chain wheel group 103, so that the horizontal movement is transferred into the downlink side conveying chain wheel group 103, and in the process, the opening hook 406 is always hooked on the cross rod 105, so that the hopper assembly 4 is always in an opened and unloaded state; the horizontal conveying chain wheel set 104 far away from the screening box 2 is arranged above the horizontal groove 107, and the clamping blocks 109 of the short sides arranged below the inverted trapezium are matched with the lower sides of the horizontal groove 107 to clamp the horizontal movement auxiliary blocks 419 inserted into the horizontal groove 107, so that the front end of the hopper assembly 4 is lifted, the hopper chain wheels 407 are separated from the chains of the descending side conveying chain wheel set 103, and horizontally move into the ascending side conveying chain wheel set 103, and the feeding screening is circularly carried out; both horizontal conveying chain wheel sets 104 add the lateral movement auxiliary block 419 of holding the hopper assembly 4 through the clamp block 109 on the trapezoid upper bottom and drive the hopper assembly 4 to move, so that the chain of the side conveying chain wheel set 103 is separated from the chain of the side conveying chain wheel set 407, the situation that the chain of the side conveying chain wheel set 103 is hung on the chain of the side conveying chain wheel set 103 to cause no movement is avoided, the horizontal conveying chain wheel set 104 is arranged in a trapezoid, when the lateral movement auxiliary block 419 is just inserted into the horizontal groove 107, the lateral movement auxiliary block 419 is just located near the inflection point of the trapezoid short side, so that the clamp block 109 clamps and drives the hopper assembly 4 to move, and when the hopper assembly 4 is conveyed to the other side conveying chain wheel set 103, the clamp block 109 just loosens the lateral movement auxiliary block 419, so that the hopper assembly 4 moves upwards or downwards.
Referring to fig. 12, in order to cooperate with the transverse transmission sprocket set 104, a pulley 108 is disposed on a side of the transverse groove 107 opposite to the trapezoidal short side of the transverse transmission sprocket set 104, a pulley 108 close to the screening box 2 is disposed above the transverse groove 107, a pulley 108 far from the screening box 2 is disposed below the transverse groove 107, and the pulley 108 is slidably connected in the inner frame 102 and is pushed by a spring to clamp the transverse movement auxiliary block 419 together with the clamping block 109.
Referring to fig. 12, for the lateral movement of the matching hopper assembly 4, an auxiliary chute 415 for assisting the sliding of the hopper assembly 4 is provided below the side chute 106, one end of the auxiliary chute 415 is slidably connected with an auxiliary slider 414, the auxiliary slider 414 is fixed on the vibration slide frame 401, and two ends of the auxiliary chute 415 close to the lateral chute 107 are provided with openings for disengaging the auxiliary slider 414; when the hopper assembly 4 is clamped and tilted by the horizontal conveying sprocket set 104, the auxiliary slider 414 is disengaged from the opening of the auxiliary chute 415 until the other side conveys the sprocket set 103, and the auxiliary slider 414 is put in from the opening of the auxiliary chute 415.
Referring to fig. 3-7, in order to realize feeding screening, the hopper assembly 4 includes a vibrating slide frame 401 and a slide hopper 402, the slide hopper 402 is slidably disposed on the vibrating slide frame 401, the upper end and the lower end of the vibrating slide frame 401 are fixedly connected with a lateral movement auxiliary block 419, the lateral movement auxiliary block 419 can be inserted into the lateral groove 107, the left side and the right side of the vibrating slide frame 401 are respectively fixedly connected with a hopper chain wheel 407, the hopper chain wheel 407 can extend into the lateral groove 106 to be meshed with a chain of the lateral conveying chain wheel group 103, the vibrating slide frame 401 is provided with a vibrating screening mechanism for pushing the slide hopper 402 to screen, and the slide hopper 402 is symmetrically provided with two hopper unloading mechanisms for unloading; the hopper assembly 4 moves up and down through the cooperation of the hopper chain wheel 407 and the side conveying chain wheel group 103, and moves transversely through the cooperation of the transverse movement auxiliary block 419 and the transverse conveying chain wheel group 104, the vibration sliding frame 401 drives the vibration screening mechanism to screen in the process of driving the sliding hopper 402 to move upwards, and the hopper discharging mechanism is started to be opened to discharge when the top end of the outer frame 101 moves transversely, so that the front separation of powder ash and the screening of slag according to the particle size are realized.
Referring to fig. 3-4, the vibration screening mechanism includes a bucket eccentric wheel 404, a bucket screening gear 405, and a bucket screening rack 420, wherein the bucket eccentric wheel 404 is fixedly connected with the bucket screening gear 405 through a shaft, the bucket eccentric wheel 404 and the bucket screening gear 405 are rotatably connected to the vibration slide frame 401, the bucket eccentric wheel 404 is in contact connection with the slide bucket 402, the bucket screening gear 405 is meshed with the bucket screening rack 420, the bucket screening rack 420 is arranged below an auxiliary chute 415 on the outer frame 101, one end of a bucket slide block 416 is fixedly connected below two ends of the slide bucket 402, the other end of the bucket slide block 416 slides in the vibration slide frame 401, one side of the bucket slide block 416 is fixedly connected with one end of a bucket slide block spring 417 for pushing the bucket slide block to reset, and the other end of the bucket slide block spring 417 is fixed in the vibration slide frame 401; in the ascending process of the hopper assembly 4, the hopper screening gear 405 is meshed with the hopper screening rack 420, along with the ascending of the hopper assembly 4, the hopper screening gear 405 rotates to drive the hopper eccentric wheel 404 to rotate through a shaft, the hopper eccentric wheel 404 rotates to push the sliding hopper 402 to generate transverse displacement, the sliding hopper 402 drives the hopper slide block 416 to slide, the hopper slide block 416 compresses the hopper slide block spring 417, and the sliding hopper 402 is made to reciprocate under the combined action of the hopper slide block spring 417 and the hopper eccentric wheel 404, so that screening in the feeding process is realized, and the powder ash is separated in advance.
Referring to fig. 5-7, for convenience in feeding the ash-removed slag into the screening box 2, a hopper discharging mechanism is provided, the hopper discharging mechanism includes an opening hook 406, a hopper clamping block 408, and a hopper bottom plate gear 411, a hopper bottom plate 403 is provided in the slide hopper 402, one end of the hopper bottom plate 403 is hinged with the slide hopper 402, the other end is clamped by the hopper clamping block 408, a plurality of sieve holes are provided on the hopper bottom plate 403, the hook end of the opening hook 406 can be hooked on the cross bar 105, the other end enters the side wall of the slide hopper 402 and is fixedly connected with the middle part of an L-shaped hopper push block 409, one side of the hopper push block 409 away from the hinge point of the hopper bottom plate 403 is provided with an inclined plane, the inclined plane is slidably connected with a groove provided in the hopper clamping block 408, one end of the hopper clamping block 408 is slidably connected in the slide hopper 402, the other end slidably extends out of the slide hopper 402, the sliding end of the bucket clamping block 408 is fixedly connected with one end of the bucket clamping block spring 413, the other end of the bucket clamping block spring 413 is fixed in the sliding bucket 402, one end of the bucket pushing block 409 close to a hinge point is fixedly connected with one end of the bucket rack 410, the bucket rack 410 is meshed with the bucket bottom plate gear 411, the bucket bottom plate gear 411 is concentrically arranged with the hinge point and fixedly connected with the bucket bottom plate 403, the bucket bottom plate gear 411 is rotationally connected with the sliding bucket 402, the bucket pushing block 409 and the bucket rack 410 slide in the sliding bucket 402, the bucket pushing block 409 and the bucket rack 410 are reset through springs, the inclined surface end of the bucket pushing block 409 is fixedly connected with one end of the bucket pushing block spring 412, the other end of the bucket pushing block spring 412 is fixed in the sliding bucket 402, the other end of the bucket pushing block 409 is fixedly connected with one end of the bucket rack spring 418, and the other end of the bucket rack spring 418 is fixed in the sliding bucket 402. The opening hook 406 is made of metal and has a certain elasticity so as to match the movement of the hopper assembly 4 when it moves laterally. When the hopper assembly 4 runs to the upper end of the outer frame 101 and is positioned on the screening box 2, two opening hooks 406 on two sides are hooked with the cross bars 105, the hopper assembly 4 continues to move upwards, so that the opening hooks 406 move relatively, the opening hooks 406 pull the hopper push blocks 409 to enable the hopper push blocks 409 to slide, the hopper push blocks 409 compress the hopper push block springs 412 and the hopper tooth bar springs 418, simultaneously pull the hopper racks 410 and slide in grooves of the hopper clamping blocks 408 to enable the hopper clamping blocks 408 to retract, the hopper clamping blocks 408 compress the hopper clamping block springs 413 and simultaneously release the locking of the hopper bottom plates 403, after the hopper clamping blocks 408 are completely retracted, toothed portions of the hopper tooth bars 410 are meshed with the hopper bottom plate gears 411 to drive the hopper bottom plate gears 411 to rotate, and the hopper bottom plate gears 411 drive the hopper bottom plates 403 to rotate to open through shafts, so that slag falls into the screening box 2; when the hopper assembly 4 starts to descend, the opening hook 406 is separated from the cross bar 105, and the opening hook 406 is reset under the action of the spring, so that the hopper bottom plate 403 is reset, and the hopper clamping block 408 is clamped again to support the hopper bottom plate 403.
Referring to fig. 13 to 15, in order to screen slag according to particle size, a screening plate group includes a feeding plate 201 and a screening plate 202, wherein the feeding plate 201 and the screening plate 202 are inclined in a screening box 2 and are not parallel, the feeding plate 201 makes aggregate fall on one high end of the screening plate 202, and the feeding plate 201 makes slag concentrate on the highest point of the screening plate 202 so as to facilitate screening work; one end of a feeding plate 201 is fixed in a screening box 2, the other end of the feeding plate and the screening box 2 form an opening for slag to fall, a screen plate 202 is slidably connected in the screening box 2 so as to screen aggregate, the lowest end of the screen plate 202 is aligned with the lower edge of a box discharging hole 203 so as to discharge, one side of the screen plate 202 contacts a connecting box eccentric wheel 205, the same side of the screen plate is fixedly connected with one end of a box vibrating spring 208, the other end of the box vibrating spring 208 is fixed on the screening box 2, the box eccentric wheel 205 is driven by a motor, and the screen plate 202 is vibrated and screened by matching with the box vibrating spring 208; the motor drives the box eccentric wheel 205, and the box eccentric wheel 205 pushes the sieve plate 202 to vibrate, so that the screening efficiency is improved; the bottom screen plate 202 can be replaced by a filtered discharge plate 207, and the feed plate 201 which is assembled with the bottom screen plate is omitted so as to rapidly discharge; the screen plate 202 is provided with a plurality of baffle plates 206, so that aggregates are prevented from rolling too fast and leaving from the box discharge port 203 without screening, slag can be ensured to pass through the screen plate 202 for screening through the obstruction of the baffle plates 206, the slag rolling-out speed is slowed down, and small-particle-size slag is prevented from exiting from the large-particle-size outlet; two triangular discharging guide blocks 204 are arranged on two sides of the box discharging hole 203, the discharging guide blocks 204 are fixed in the screening box 2, aggregates can be guaranteed to slide out of the box discharging hole 203, inclined edges of the discharging guide blocks 204 are opposite, and the fallen slag forms guide to enable the fallen slag to be gathered towards the box discharging hole 203 so as to be discharged, so that slag is prevented from being detained in the screening box 2. The cleaning and dust settling system comprises a water supply pipe 209 and a drain pipe arranged at the bottom of the screening box 2, wherein the water supply pipe 209 is matched with the screening plate group, a plurality of water supply pipes 209 are arranged between each group of feeding plates 201 and the screening plate 202, the water supply pipes 209 are arranged in parallel along the discharging direction, and a plurality of spray heads are arranged on the water supply pipes 209 so as to clean and settle dust for screening in the screening box 2. The water feeding pipe 209 is communicated with an external water supply system, the water feeding pipe 209 cleans and dust falls the aggregates on each layer of sieve plate 202, and the water feeding pipe 209 and the sieving plate group are matched to clean the aggregates of each layer once, so that the cleaning of the last discharging is ensured; the used water is discharged through a drain pipe arranged at the bottom of the screening box 2 for subsequent treatment such as purification.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Slag separation and recycling optimizing system based on green coal mine comprises a screening module (A), a cleaning module (B) is arranged behind the screening module (A), slag aggregate is screened through the screening module (A) and then cleaned through the cleaning module (B), and then is sent to be dried or burned through a conveyor belt, and the slag separation and recycling optimizing system is characterized in that: the screening module (A) comprises a feeding frame assembly (1), a screening box (2) and a powder ash conveyor belt (3), wherein the feeding frame assembly (1) is obliquely arranged, the upper end of the feeding frame assembly is supported above the screening box (2), the powder ash conveyor belt (3) for conveying powder ash is arranged below the feeding frame assembly (1), a plurality of hopper assemblies (4) are annularly conveyed in the feeding frame assembly (1), the hopper assemblies (4) carry out shaking screening in the ascending process, the powder ash is separated and falls onto the powder ash conveyor belt (3), the bottom of the hopper assemblies (4) is opened when the top of the hopper assemblies transversely moves, the aggregate is conveyed into the screening box (2), a plurality of screening plate groups and a set of cleaning dust fall system are arranged in the screening box (2), each screening plate group corresponds to one box discharge hole (203), and the screened aggregate is conveyed to subsequent treatment;
the feeding frame assembly (1) comprises an outer frame (101) for driving the hopper assembly (4) to move and an inner frame (102) for assisting the hopper assembly (4) to slide, the outer frame (101) and the inner frame (102) are connected through a bracket, a conveying chain wheel set for driving the hopper assembly (4) to move is arranged in the outer frame (101), the conveying chain wheel set is formed by annular arrangement of two side conveying chain wheel sets (103) and two transverse conveying chain wheel sets (104) to form a closed loop, the side conveying chain wheel sets (103) and the transverse conveying chain wheel sets (104) are meshed with each other through bevel gears, one chain wheel of the conveying chain wheel sets is fixedly connected with an output shaft of a motor, the motor is fixed in the outer frame (101), a side groove (106) is formed in the side where the two side conveying chain wheel sets (103) are located in the outer frame (101), a transverse groove (107) is formed in the side where the two transverse conveying chain wheel sets (104) are located, one end, close to the screening box (2), of the outer frame (101) is further provided with a transverse rod (105), and two ends of the transverse rod (105) are fixed on the outer frame (101);
the hopper assembly (4) comprises a vibrating sliding frame (401) and a sliding hopper (402), the sliding hopper (402) is arranged on the vibrating sliding frame (401) in a sliding manner, the upper end and the lower end of the vibrating sliding frame (401) are fixedly connected with a transverse moving auxiliary block (419), the transverse moving auxiliary block (419) can be inserted into a transverse groove (107), the left side and the right side of the vibrating sliding frame (401) are respectively fixedly connected with a hopper chain wheel (407), the hopper chain wheels (407) can extend into a side groove (106) to be meshed with a chain of a side conveying chain wheel group (103), vibrating screening mechanisms for pushing the sliding hopper (402) to screen are arranged on the vibrating sliding frame (401), and two hopper discharging mechanisms for discharging are symmetrically arranged on the sliding hopper (402);
the vibration screening mechanism comprises a bucket eccentric wheel (404), a bucket screening gear (405) and a bucket screening rack (420), wherein the bucket eccentric wheel (404) is fixedly connected with the bucket screening gear (405) through a shaft, the bucket eccentric wheel (404) and the bucket screening gear (405) are rotatably connected to a vibration sliding frame (401), the bucket eccentric wheel (404) is in contact connection with a sliding bucket (402), the bucket screening gear (405) is meshed with the bucket screening rack (420), the bucket screening rack (420) is arranged below an auxiliary sliding groove (415) on an outer frame (101), one end of a bucket sliding block (416) is fixedly connected below two ends of the sliding bucket (402), the other end of the bucket sliding block (416) slides in the vibration sliding frame (401), one side of the bucket sliding block (416) is fixedly connected with one end of a bucket sliding block spring (417) for pushing the sliding block spring (417) to reset, and the other end of the bucket sliding block spring (417) is fixedly arranged in the vibration sliding frame (401);
the bucket unloading mechanism comprises an opening hook (406), a bucket clamping block (408) and a bucket bottom plate gear (411), a bucket bottom plate (403) is arranged in a sliding bucket (402), one end of the bucket bottom plate (403) is hinged to the sliding bucket (402), the other end of the bucket bottom plate is connected with the sliding bucket (402) in a clamping mode through the bucket clamping block (408), a plurality of sieve holes are formed in the bucket bottom plate (403), the hook end of the opening hook (406) can be hooked on a cross rod (105), the other end of the opening hook enters the side wall of the sliding bucket (402) and is fixedly connected with the middle part of an L-shaped bucket push block (409), one side, far away from a hinge point of the bucket bottom plate (403), of the bucket push block (409) is provided with an inclined plane and a groove in the bucket clamping block (408), one end of the bucket clamping block (408) is connected with the sliding bucket bottom plate (410) in a sliding mode, the other end of the sliding bucket clamping block (408) is connected with one end of the sliding bucket bottom plate (402) in a sliding mode, the other end of the sliding bucket clamping block (413) is fixedly connected with one end of the bucket clamping block spring (413) in a sliding mode, the other end of the bucket clamping block spring (413) is fixedly connected with the sliding bucket bottom plate (402) in a sliding mode, the other end of the bucket clamping block spring (409) is fixedly connected with the sliding bottom plate (409) in a sliding mode, and the sliding bottom plate is meshed with the sliding bottom plate (411), and the sliding bottom plate (410) is meshed with the sliding bottom plate (410) in a sliding mode, and the sliding plate is meshed with the sliding plate (411, and the sliding plate is meshed with the sliding plate The bucket rack (410) slides in the sliding bucket (402), and the bucket pushing block (409) and the bucket rack (410) are reset through springs.
2. The green coal mine-based slag separation and reuse optimization system according to claim 1, wherein: the horizontal conveying chain wheel set (104) comprises a plurality of chain wheels which are arranged into an isosceles trapezoid and are connected through chain transmission, and a plurality of clamping blocks (109) are fixedly connected to the chain and used for clamping the movable hopper assembly (4); the horizontal conveying chain wheel set (104) is arranged close to the screening box (2) and is arranged in a positive trapezoid, and the horizontal conveying chain wheel set (104) far away from the screening box (2) is arranged in an inverted trapezoid.
3. The green coal mine-based slag separation and reuse optimization system according to claim 1, wherein: a pulley (108) is arranged on one side, opposite to the trapezoid short side, of the transverse groove (107) and the transverse conveying chain wheel group (104), of the transverse groove, the pulley (108) is slidably connected in the inner frame (102) and pushed by a spring, and the pulley and the clamping block (109) clamp the transverse movement auxiliary block (419) together.
4. The green coal mine-based slag separation and reuse optimization system according to claim 1, wherein: an auxiliary chute (415) used for assisting sliding of the hopper assembly (4) is arranged below the side chute (106), one end of an auxiliary sliding block (414) is connected in the auxiliary chute (415) in a sliding mode, the auxiliary sliding block (414) is fixed on the vibration sliding frame (401), and two ends, close to the transverse chute (107), of the auxiliary chute (415) are provided with openings matched with the auxiliary sliding block (414) to separate.
5. The green coal mine-based slag separation and reuse optimization system according to claim 1, wherein: the screening plate group comprises a feeding plate (201) and a screening plate (202), wherein the feeding plate (201) and the screening plate (202) are both inclined in the screening box (2) and are not parallel, and the feeding plate (201) enables aggregate to fall on one high end of the screening plate (202); one end of the feeding plate (201) is fixed in the screening box (2), the screen plate (202) is slidably connected in the screening box (2), the lowest end of the screen plate (202) is aligned with the lower edge of the box discharge hole (203), one side of the screen plate (202) is in contact with a connecting box eccentric wheel (205), one end of a box vibration spring (208) is fixedly connected to the same side of the screen plate, the other end of the box vibration spring (208) is fixed on the screening box (2), the box eccentric wheel (205) is driven by a motor, and the screen plate (202) is vibrated and screened by matching with the box vibration spring (208); a plurality of baffle plates (206) are arranged on the sieve plate (202) to prevent aggregate from rolling too fast and leaving from the box discharge port (203) without sieving; two triangular discharging guide blocks (204) are arranged on two sides of the box discharging hole (203), and the discharging guide blocks (204) are fixed in the screening box (2).
6. The green coal mine-based slag separation and recycling optimization system according to claim 5, wherein: the cleaning and dust settling system comprises a water supply pipe (209) and a drain pipe arranged at the bottom of the screening box (2), wherein the water supply pipe (209) is arranged in a matched mode with the screening plate group, a plurality of water supply pipes (209) are arranged between each group of feeding plates (201) and the screen plate (202), the water supply pipes (209) are arranged in parallel, and a plurality of spray heads are arranged on the water supply pipes (209) so as to clean and settle dust for screening in the screening box (2).
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