CN117299322A - Crushing and screening system with negative pressure dust removal function - Google Patents
Crushing and screening system with negative pressure dust removal function Download PDFInfo
- Publication number
- CN117299322A CN117299322A CN202311293187.4A CN202311293187A CN117299322A CN 117299322 A CN117299322 A CN 117299322A CN 202311293187 A CN202311293187 A CN 202311293187A CN 117299322 A CN117299322 A CN 117299322A
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- powder
- crushing
- screening device
- negative pressure
- material channel
- Prior art date
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- 238000012216 screening Methods 0.000 title claims abstract description 91
- 239000000428 dust Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 66
- 239000003054 catalyst Substances 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 206010023149 Jaw fracture Diseases 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 239000010883 coal ash Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
Abstract
The invention discloses a crushing and screening system with a negative pressure dust removing function, and particularly relates to the technical field of crushing and screening of denitration catalysts, powder and sheet materials can be effectively separated through a roller screening device, a cylindrical screen mesh and a keel frame in the roller screening device are designed into a detachable structure, so that the crushing and screening system is suitable for discharging powder materials with different particle diameters, the efficiency is improved, and the powder materials with different particle diameters can be separated and collected through the screen mesh; two discharge hoppers communicated with the bottom of the roller screening device are used for falling powder with the aperture smaller than that of the screen mesh, powder is transferred into the bag filter collecting hopper through the negative pressure pipe to pack denitration catalyst powder, and the powder with the aperture larger than the screen mesh reaches the discharge end along the rotation of the roller screening device and enters the second material channel through the installation seat connected with the discharge end, so that manual ton bag receiving is met, the powder is separated from pulverized coal ash, the influence of waste on the environment is reduced, powder and sheet materials are effectively separated, and two materials are conveyed to a designated area.
Description
Technical Field
The invention relates to the technical field of denitration catalyst crushing and screening, in particular to a crushing and screening system with a negative pressure dust removal function.
Background
The denitration catalyst is a catalyst applied to power plants, cement, steel and glass SCR (selective catalytic reduction) denitration systems, and can promote a reducing agent to selectively react with nitrogen oxides in flue gas at a certain temperature in an SCR reaction so as to achieve the purpose of removing the nitrogen oxides, and for the waste denitration catalyst, if valuable components in the waste denitration catalyst can be regenerated and recycled, the production cost can be reduced, the influence on the environment is reduced, crushing and screening are an important step for recycling the catalyst, and the components in the waste catalyst can be separated and extracted and are used for new purposes.
Disclosure of Invention
The invention aims to provide a crushing and screening system with a negative pressure dust removing function, powder and sheet materials can be effectively separated through a roller screening device, a cylindrical screen mesh and a keel frame in the roller screening device are designed to be of a detachable structure, the crushing and screening system is suitable for discharging powder with different particle sizes, the efficiency is improved, and the powder with different particle sizes can be separated and collected through the screen mesh, so that the problems in the background art are solved.
The invention can be realized by the following technical scheme: a crushing and screening system with a negative pressure dust removing function comprises a jaw crusher which is arranged on a steel platform and used for crushing waste denitration catalysts, wherein a roller screening device, a double-shaft stirrer, a plate-type lifting machine and a storage bin II are sequentially arranged on one side of the jaw crusher;
the roller screening device is obliquely arranged and used for screening the crushed waste denitration catalyst;
the roller screening device comprises a keel frame arranged in the middle, a sealing fixing frame arranged outside the keel frame and a cylindrical screen arranged on the inner side of the keel frame, wherein the cylindrical screen is in sliding connection with the keel frame, the keel frame comprises a connecting ring arranged in the middle, a plurality of arc frames which are annularly arranged are fixedly connected at the two ends of the connecting ring, each arc frame is fixedly connected with a friction ring which is matched with a friction wheel driven by a servo motor, the cylindrical screen comprises two connecting rings, screens with different apertures and used for screening denitration catalyst powder are arranged between the two connecting rings, mounting holes are formed in the surfaces of the connecting rings in a penetrating mode, and elastic protruding columns which are matched with the mounting holes are arranged on the inner wall surfaces of the friction rings;
the friction ring and the arc-shaped frame are provided with inner clamping grooves on the inner wall surfaces, and the outer wall surface of the connecting ferrule is provided with outer protruding blocks which are in sliding fit with the inner clamping grooves.
The invention further technically improves that: the utility model discloses a denitration catalyst waste powder collection device, including cylinder screening plant, support bracket's below is provided with the ejection of compact fill that is used for collecting denitration catalyst waste powder, and installs the adjusting device who is used for changing cylinder screening plant inclination on the top surface of support bracket, the discharge end of ejection of compact fill passes through the collecting hopper that negative pressure pipe and pocket filter are connected, the exit end of collecting hopper is used for the packing to denitration catalyst waste powder.
The invention further technically improves that: the rotary drum screening device comprises a drum screening device, wherein a charging port and a discharging port of the drum screening device are respectively provided with a mounting seat, an induced draft fan is arranged on one side of the bottom of the drum screening device, the ends of the mounting seats are rotatably provided with rotary seats of hollow structures, the ends of each friction ring are respectively provided with a butt joint disc which is fixedly mounted with the two mounting seats through bolts, and the inside of each mounting seat is provided with an inclined plane and communicated with a cavity of the rotary seat.
The invention further technically improves that: a first material channel is arranged between the discharging end of the jaw crusher and the feeding port of the roller screening device, a second material channel is fixedly connected between the mounting seat and the feeding end of the double-shaft stirrer, and the end face of the second material channel is fixed with the surface of the rotating seat.
The invention further technically improves that: clamping plates are arranged at the gaps of the top surfaces of the second material channel and the first material channel, and dust collection pipes communicated with a dust collector are arranged on the surfaces of the two clamping plates.
The invention further technically improves that: the sealing block is rotatably arranged at the top surfaces of the second material channel and the first material channel and close to the two ends of the clamping plate, a spring is arranged between the bottom surface of the sealing block and the concave hole of the top surface of the second material channel, and a pressing head used for limiting the clamping plate is arranged on the bottom surface of the sealing block.
The invention further technically improves that: the inside rotation of material way two is installed and is separated wheel board one and separates wheel board two, separate wheel board one and separate wheel board two and pass through belt synchronous drive and be used for accelerating the discharge of powder dust.
The invention further technically improves that: the discharge end of the double-shaft mixer faces the lifting hopper of the plate type lifting machine, and the lifting hopper reaches the top of the plate type lifting machine and falls into the storage bin II.
Compared with the prior art, the invention has the following beneficial effects:
1. the powder and the sheet materials can be effectively separated through the roller screening device, the cylindrical screen mesh and the keel frame in the roller screening device are designed into a detachable structure, the discharge of the powder with different particle sizes is adapted, the efficiency is improved, the powder with different particle sizes can be separated and collected through the screen mesh, the pore size of the screen mesh is smaller than the diameter of the elastic protruding column, the outer protruding block on the connecting sleeve ring is slidably arranged in the inner clamping groove, the directional sliding of the cylindrical screen mesh is ensured, in the process, the elastic protruding column is extruded by the connecting ferrule and the screen mesh until the elastic protruding column is clamped into the mounting hole, and the cylindrical screen mesh and the keel frame are fixed together;
2. the installation seats at the two ends are fixed with the butt joint discs at the two ends of the roller screening device, the installation seats are rotationally connected with the first material channel and the second material channel through the hollow rotation seats, powder is ensured to smoothly enter the roller screening device and leave the inside of the roller screening device, two discharge hoppers communicated with the bottom of the roller screening device are used for falling powder with the aperture smaller than that of a screen mesh, the powder is transferred into the bag filter collecting hopper through the negative pressure pipe to pack the waste powder of the denitration catalyst, the manual ton bag receiving is met, the powder with the aperture larger than that of the screen mesh reaches the discharge end along the rotation of the roller screening device and enters the second material channel through the installation seats connected with the discharge end, and is separated from pulverized coal ash, so that the influence of waste on the environment is reduced, the powder and the sheet materials are effectively separated, and different materials are conveyed to a designated area;
3. the crushed powder and the powder screened by the screen mesh pass through the first material channel and the second material channel respectively during discharging, the powder which enters the first material channel and the second material channel is stirred at a constant speed by the first separation wheel plate and the second separation wheel plate which rotate synchronously, the stirred generated dust is sucked by the dust suction pipe and enters the dust collector, the dust in the production process is sucked, the dust is prevented from overflowing, and the environment of a processing site is improved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a top plan view of the structure of the present invention;
FIG. 3 is a side view of the structure of the drum screening device of the present invention;
FIG. 4 is a schematic perspective view of a drum screening device and a cylindrical screen of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a schematic diagram showing the structural connection of the second material channel and the mounting base;
FIG. 7 is a schematic diagram showing the structural connection of the clamping plate and the second material channel.
In the figure: 1. jaw crusher; 2. a first material channel; 3. a roller screening device; 6. a mounting base; 8. a collecting hopper; 9. a double-shaft stirrer; 10. a plate elevator; 11. a second storage bin; 12. ball mill; 13. a stirring tank; 14. a load bearing bracket; 15. discharging a hopper; 16. a second material channel; 17. an adjusting device; 18. a friction ring; 19. a connecting ring; 20. an arc-shaped frame; 21. a screen; 24. a clamping plate; 25. sealing blocks; 26. a dust collection pipe; 27. an outer bump; 28. a mounting hole; 29. a butt joint disc; 30. an inner clamping groove; 31. an elastic protruding column; 32. a connection ferrule; 33. a rotating seat; 34. a first separation wheel plate; 35. a second separation wheel plate; 36. a spring; 37. pressing head.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-7, the invention provides a crushing and screening system with a negative pressure dust removing function, which comprises a jaw crusher 1, a roller screening device 3, a double-shaft stirrer 9, a plate type lifting machine 10, a second storage bin 11, a ball mill 12 and a stirring tank 13, wherein the jaw crusher 1 is arranged on a steel platform and used for crushing waste denitration catalysts, and one side of the jaw crusher 1 is sequentially provided with the roller screening device 3, the double-shaft stirrer 9, the plate type lifting machine 10, the second storage bin 11, the ball mill 12 and the stirring tank 13; the roller screening device 3 is obliquely arranged and is used for screening powder of the crushed waste denitration catalyst, the roller screening device 3 is a roller screen, the roller screen comprises a keel frame arranged in the middle, a sealing fixing frame arranged outside the keel frame and a cylindrical screen arranged on the inner side of the keel frame, the cylindrical screen is in sliding connection with the keel frame, the keel frame comprises a connecting ring 19 arranged in the middle, two ends of the connecting ring 19 are fixedly connected with a plurality of arc frames 20 which are in annular arrangement, the end part of each arc frame 20 is fixedly connected with a friction ring 18 which is matched with a friction wheel driven by a servo motor, the cylindrical screen comprises two connecting rings 32, screens 21 with different apertures and used for screening powder of the denitration catalyst are arranged between the two connecting rings 32, mounting holes 28 are penetrated through the surfaces of the connecting rings 32, elastic protruding columns 31 matched with the mounting holes 28 are arranged on the inner wall surfaces of the friction rings 18, the friction ring 18 and the arc frame 20 are provided with an inner clamping groove 30 on the inner wall surface, the outer wall surface of the connecting ferrule 32 is provided with an outer lug 27 which is in sliding fit with the inner clamping groove 30, when the device is used, the whole waste denitration catalyst is manually thrown into a feed inlet of the jaw crusher 1 for crushing, crushed powder enters the obliquely arranged roller screening device 3 through a discharge hole of the jaw crusher 1 for screening, powder and sheet materials can be effectively separated, a cylindrical screen mesh and a keel frame in the roller screening device 3 are designed into a detachable structure, the device adapts to the discharge of powder with different particle diameters, the efficiency is improved, the powder with different particle diameters can be separated and collected through the screen mesh 21, wherein the pore size of the screen mesh 21 is smaller than the diameter of the elastic protruding column 31, the outer lug 27 on the connecting ferrule 32 is slidably mounted in the inner clamping groove 30, the directional sliding in of the cylindrical screen is ensured, and in the process, the elastic protruding columns 31 are pressed by the connecting ferrules 32 and the screen 21 until the elastic protruding columns 31 are clamped into the mounting holes 28, so that the cylindrical screen and the keel frame are fixed together.
A bearing bracket 14 is arranged below the roller screening device 3, a discharge hopper 15 for collecting denitration catalyst waste powder is arranged below the bearing bracket 14, an adjusting device 17 for changing the inclination angle of the roller screening device 3 is arranged on the top surface of the bearing bracket 14, the adjusting device 17 is used for changing the inclination angle of the roller screen, the roller screening device is in the prior art, in addition, the discharge end of the discharge hopper 15 is connected with a collecting hopper 8 through a negative pressure pipe and a bag filter, and the outlet end of the collecting hopper 8 is used for packaging denitration catalyst waste powder; the end parts of the feed inlet and the discharge outlet of the roller screening device 3 are provided with mounting seats 6, one side of the bottom of the roller screening device 3 is provided with an induced draft fan, the end parts of the mounting seats 6 are provided with rotating seats 33 with hollow structures in a rotating mode, the end parts of each friction ring 18 are provided with a butt joint disc 29 which is fixedly mounted with the two mounting seats 6 through bolts, and the inner parts of the mounting seats 6 are inclined planes and communicated with the cavities of the rotating seats 33; a first material channel 2 is arranged between the discharging end of the jaw crusher 1 and the feeding port of the roller screening device 3, a second material channel 16 is fixedly connected between the mounting seat 6 and the feeding end of the double-shaft stirrer 9, the end face of the second material channel 16 is fixed with the surface of the rotating seat 33, the roller screening device 3, the jaw crusher 1 and the roller screening device 3 are respectively communicated with the double-shaft stirrer 9 through the first material channel 2 and the second material channel 16, the entering of powder after crushing is facilitated, the sealing effect of the powder is ensured, the powder generated by the jaw crusher 1 is guided by a draught fan to the powder entering the roller screening device 3 when passing through the roller screening device 3, the roller screening device 3 is supported by a bearing bracket 14 and driven by a servo motor, the roller screening device 3 rotates, the mount pad 6 at both ends is fixed with the butt joint dish 29 at roller screening plant 3 both ends, mount pad 6 rotates through hollow rotation seat 33 with the tip that material was said 2 and is said two 16 and link to each other, guarantee that the powder is gone into roller screening plant 3 smoothly and is left the inside of roller screening plant 3, two discharge hoppers 15 that roller screening plant 3 bottom communicates are used for the aperture to be less than dropping of screen cloth 21 powder, and shift the powder to the collection hopper 8 through the negative pressure pipe and pack denitration catalyst powder, satisfy artifical ton bag and connect the material, and the aperture is greater than in the powder that screen cloth 21 reaches the discharge end along the rotation of roller screening plant 3 and is said two 16 in entering into the mount pad 6 that the discharge end is connected, carry two kinds of materials to appointed region.
Clamping plates 24 are arranged at the gaps on the top surfaces of the second material channel 16 and the first material channel 2, and dust collection pipes 26 communicated with a dust collector are arranged on the surfaces of the two clamping plates 24; the top surfaces of the second material channel 16 and the first material channel 2 are respectively provided with a sealing block 25 in a rotating way and close to two ends of the clamping plate 24, a spring 36 is arranged between the bottom surface of the sealing block 25 and a concave hole on the top surface of the second material channel 16, and the bottom surface of the sealing block 25 is provided with a pressing head 37 for limiting the clamping plate 24; the inside rotation of material way two 16 is installed and is separated wheel plate one 34 and separates wheel plate two 35, separate wheel plate one 34 and separate wheel plate two 35 and be used for accelerating the discharge of powder dust through the synchronous transmission of belt, the powder after the crushing and the powder after sieving through screen cloth 21 are respectively through material way one 2 and material way two 16 when the ejection of compact, stir at the uniform velocity by the powder that synchronous rotation separates wheel plate one 34 and separates wheel plate two 35 to enter into material way one 2 and material way two 16, stir the dust that produces and inhale by dust absorption pipe 26 and enter into the dust catcher, realize the suction to the dust in the production process, prevent that the dust is excessive, improve the environment of processing scene, press the head 37 through two sealing blocks 25 bottoms with cardboard 24 spacing installation in material way two 16 and material way one 2's breach department, and stir sealing block 25 upwards and drive spring 36 and stretch, conveniently dismantle cardboard 24 by the breach and overhaul wheel plate one 34 and separating wheel plate two 35.
The discharge end of the double-shaft mixer 9 faces the lifting hopper of the plate type lifting machine 10, and the lifting hopper reaches the top of the plate type lifting machine 10 and falls into the storage bin II 11.
When the invention is used, powder and sheet materials can be effectively separated through the roller screening device 3, the cylindrical screen mesh and the keel frame in the roller screening device 3 are designed into a detachable structure, the device is suitable for discharging powder with different particle diameters, the efficiency is improved, the powder with different particle diameters can be separated and collected through the screen mesh 21, wherein the pore size of the screen mesh 21 is smaller than the diameter of the elastic protruding column 31, the outer protruding block 27 on the connecting ferrule 32 is slidably arranged in the inner clamping groove 30, the directional sliding of the cylindrical screen mesh is ensured, in the process, the elastic protruding column 31 is extruded by the connecting ferrule 32 and the screen mesh 21 until the elastic protruding column 31 is clamped into the mounting hole 28, and the cylindrical screen mesh and the keel frame are fixed together;
the mounting seats 6 at the two ends are fixed with the butt joint discs 29 at the two ends of the roller screening device 3, the mounting seats 6 are rotationally connected with the first material channel 2 and the second material channel 16 through the hollow rotating seat 33, powder is ensured to smoothly enter the roller screening device 3 and leave the interior of the roller screening device 3, the two discharging hoppers 15 communicated with the bottom of the roller screening device 3 are used for falling powder with the aperture smaller than that of the screen 21, the powder is transferred into the collecting hopper 8 through the negative pressure pipe to pack the waste powder of the denitration catalyst, the manual ton bag receiving is met, the powder with the aperture larger than that of the screen 21 reaches the discharging end along the rotation of the roller screening device 3 and enters the second material channel 16 from the mounting seat 6 connected with the discharging end, and the powder and the sheet materials can be effectively separated through negative pressure suction and conveyed to a designated area;
the crushed powder and the powder screened by the screen 21 respectively pass through the first material channel 2 and the second material channel 16 during discharging, the powder which enters the first material channel 2 and the second material channel 16 is stirred at a constant speed by the first separation wheel plate 34 and the second separation wheel plate 35 which rotate synchronously, the dust generated by stirring is sucked by the dust suction pipe 26 and enters the dust collector, the suction of dust in the production process is realized, the overflow of the dust is prevented, and the environment of a processing site is improved.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (8)
1. Crushing and screening system with negative pressure dust removal function, including installing on steel platform and be used for the broken jaw breaker (1) of old and useless denitration catalyst, its characterized in that: one side of the jaw crusher (1) is sequentially provided with a roller screening device (3), a double-shaft stirrer (9), a plate type lifter (10) and a storage bin II (11);
the roller screening device (3) is obliquely arranged and used for screening the crushed waste denitration catalyst;
the roller screening device (3) comprises a keel frame arranged in the middle, a sealing fixing frame arranged outside the keel frame and a cylindrical screen arranged on the inner side of the keel frame, wherein the cylindrical screen is in sliding connection with the keel frame, the keel frame comprises a connecting ring (19) arranged in the middle, a plurality of arc frames (20) which are annularly arranged are fixedly connected to the two ends of the connecting ring (19), each arc frame (20) is fixedly connected with a friction ring (18) which is matched with a friction wheel driven by a servo motor, the cylindrical screen comprises two connecting rings (32), screens (21) with different apertures and used for screening denitration catalyst powder are arranged between the connecting rings (32), mounting holes (28) are formed in the surface of the connecting rings (32), and elastic protruding columns (31) which are matched with the mounting holes (28) are arranged on the inner wall surface of the friction rings (18);
the friction ring (18) and the arc-shaped frame (20) are provided with inner clamping grooves (30), and the outer wall surface of the connecting ferrule (32) is provided with outer protruding blocks (27) which are in sliding fit with the inner clamping grooves (30).
2. The crushing and screening system with the negative pressure dust removal function according to claim 1, characterized in that a bearing bracket (14) is arranged below the roller screening device (3), a discharging hopper (15) for collecting waste powder of the denitration catalyst is arranged below the bearing bracket (14), an adjusting device (17) for changing the inclination angle of the roller screening device (3) is arranged on the top surface of the bearing bracket (14), the discharging end of the discharging hopper (15) is connected with a collecting hopper (8) through a negative pressure pipe and a bag filter, and the outlet end of the collecting hopper (8) is used for packaging the waste powder of the denitration catalyst.
3. The crushing and screening system with the negative pressure dust removal function according to claim 1, wherein a mounting seat (6) is mounted at the end part of a feed inlet and a discharge outlet of the roller screening device (3), an induced draft fan is arranged at one side of the bottom of the roller screening device (3), a rotating seat (33) with a hollow structure is rotatably arranged at the end part of the mounting seat (6), a butt joint disc (29) which is fixedly mounted with the two mounting seats (6) through bolts is arranged at the end part of each friction ring (18), and an inclined surface is arranged inside the mounting seat (6) and communicated with a cavity of the rotating seat (33).
4. The crushing and screening system with the negative pressure dust removal function according to claim 3, wherein a first material channel (2) is arranged between the discharging end of the jaw crusher (1) and the feeding port of the roller screening device (3), a second material channel (16) is fixedly connected between the mounting seat (6) and the feeding end of the double-shaft stirrer (9), and the end face of the second material channel (16) is fixedly connected with the surface of the rotating seat (33).
5. The crushing and screening system with the negative pressure dust removing function according to claim 4, wherein clamping plates (24) are arranged at notches on the top surfaces of the second material channel (16) and the first material channel (2), and dust collection pipes (26) communicated with a dust collector are arranged on the surfaces of the two clamping plates (24).
6. The crushing and screening system with the negative pressure dust removal function according to claim 5, wherein sealing blocks (25) are rotatably installed at two ends, which are close to the top surfaces of the second material channel (16) and the first material channel (2) and the clamping plate (24), of the sealing blocks, springs (36) are installed between the bottom surfaces of the sealing blocks (25) and concave holes in the top surfaces of the second material channel (16), and pressing heads (37) used for limiting the clamping plate (24) are arranged on the bottom surfaces of the sealing blocks (25).
7. The crushing and screening system with the negative pressure dust removing function according to claim 4, wherein a first separation wheel plate (34) and a second separation wheel plate (35) are rotatably installed in the second material channel (16), and the first separation wheel plate (34) and the second separation wheel plate (35) are synchronously driven through a belt and are used for accelerating the discharge of powder dust.
8. The crushing and screening system with the negative pressure dust removal function according to claim 1, wherein the discharge end of the double-shaft stirrer (9) faces a lifting hopper of the plate type lifting machine (10), and the lifting hopper reaches the top of the plate type lifting machine (10) and falls into a storage bin II (11).
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101292596B1 (en) * | 2012-12-28 | 2013-08-05 | 김도근 | Mortar exfoliation device for recycled aggregates |
| KR20170084587A (en) * | 2016-01-12 | 2017-07-20 | 유한회사 대성환경 | Trommel screens for recycling concrete |
| CN208131985U (en) * | 2018-05-09 | 2018-11-23 | 辉县市新科机械设备有限公司 | A kind of efficient rare-earth alloy nodulizer granulation device |
| CN209406524U (en) * | 2018-12-29 | 2019-09-20 | 重庆七彩虹新材料技术有限公司 | The air-cooled crusher of zero diopter powdery paints |
| CN110280472A (en) * | 2019-06-20 | 2019-09-27 | 广州市丹爵通讯科技有限公司 | A kind of rotary screen convenient for safeguarding with angle regulating function |
| CN111013696A (en) * | 2019-11-29 | 2020-04-17 | 福建省磊鑫环保科技有限公司 | Dust protected ore crushing equipment |
| CN113145614A (en) * | 2021-04-14 | 2021-07-23 | 广州市联冠机械有限公司 | System and method for treating and recycling waste dry battery pole pieces |
| CN214636819U (en) * | 2021-03-22 | 2021-11-09 | 贾吉文 | Crushing and screening device for road and bridge construction |
| CN115382648A (en) * | 2021-05-22 | 2022-11-25 | 贵州涟江源建材有限公司 | System device and method for preparing reclaimed sand from waste concrete |
| CN115569717A (en) * | 2022-10-08 | 2023-01-06 | 中交四公局第十工程有限公司 | Road and bridge construction crushing and screening machine with dust treatment function |
| CN115625021A (en) * | 2022-11-04 | 2023-01-20 | 南京民川建设有限公司 | Manufacturing equipment and method of construction waste recycled aggregate |
-
2023
- 2023-10-08 CN CN202311293187.4A patent/CN117299322B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101292596B1 (en) * | 2012-12-28 | 2013-08-05 | 김도근 | Mortar exfoliation device for recycled aggregates |
| KR20170084587A (en) * | 2016-01-12 | 2017-07-20 | 유한회사 대성환경 | Trommel screens for recycling concrete |
| CN208131985U (en) * | 2018-05-09 | 2018-11-23 | 辉县市新科机械设备有限公司 | A kind of efficient rare-earth alloy nodulizer granulation device |
| CN209406524U (en) * | 2018-12-29 | 2019-09-20 | 重庆七彩虹新材料技术有限公司 | The air-cooled crusher of zero diopter powdery paints |
| CN110280472A (en) * | 2019-06-20 | 2019-09-27 | 广州市丹爵通讯科技有限公司 | A kind of rotary screen convenient for safeguarding with angle regulating function |
| CN111013696A (en) * | 2019-11-29 | 2020-04-17 | 福建省磊鑫环保科技有限公司 | Dust protected ore crushing equipment |
| CN214636819U (en) * | 2021-03-22 | 2021-11-09 | 贾吉文 | Crushing and screening device for road and bridge construction |
| CN113145614A (en) * | 2021-04-14 | 2021-07-23 | 广州市联冠机械有限公司 | System and method for treating and recycling waste dry battery pole pieces |
| CN115382648A (en) * | 2021-05-22 | 2022-11-25 | 贵州涟江源建材有限公司 | System device and method for preparing reclaimed sand from waste concrete |
| CN115569717A (en) * | 2022-10-08 | 2023-01-06 | 中交四公局第十工程有限公司 | Road and bridge construction crushing and screening machine with dust treatment function |
| CN115625021A (en) * | 2022-11-04 | 2023-01-20 | 南京民川建设有限公司 | Manufacturing equipment and method of construction waste recycled aggregate |
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| CN117299322B (en) | 2024-03-19 |
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