CN219942990U - Crushing device for abandoned molecular sieve - Google Patents
Crushing device for abandoned molecular sieve Download PDFInfo
- Publication number
- CN219942990U CN219942990U CN202321655092.8U CN202321655092U CN219942990U CN 219942990 U CN219942990 U CN 219942990U CN 202321655092 U CN202321655092 U CN 202321655092U CN 219942990 U CN219942990 U CN 219942990U
- Authority
- CN
- China
- Prior art keywords
- crushing
- molecular sieve
- crushing box
- box
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 78
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 239000002699 waste material Substances 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 28
- 238000012216 screening Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002912 waste gas Substances 0.000 claims description 8
- 238000013467 fragmentation Methods 0.000 claims 1
- 238000006062 fragmentation reaction Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004744 fabric Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 210000003928 nasal cavity Anatomy 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model provides a crushing device for a waste molecular sieve. The crushing device of the abandoned molecular sieve comprises: a crushing box; the discharging hole is arranged at the bottom of the crushing box; a first crushing roller disposed on the crushing tank; a second crushing roller disposed on the crushing tank; the screening mechanism is used for screening the waste molecular sieves crushed by the first crushing roller and the second crushing roller, and both screening mechanisms are arranged on the crushing box; the two discharge ports are formed in the outer wall of one side of the crushing box and are respectively positioned at one side of the two screening mechanisms; the blocking mechanisms are used for blocking the discharge ports, and the two blocking mechanisms are arranged on the crushing box. The crushing device of the waste molecular sieve provided by the utility model has the advantages of good crushing effect, and therefore, dust generated in the crushing process can be treated.
Description
Technical Field
The utility model relates to the technical field of crushing, in particular to a crushing device for a waste molecular sieve.
Background
The molecular sieve is an artificially synthesized hydrated aluminosilicate (zeolite) or natural zeolite with molecular sieving function, and when some waste molecular sieves are treated, the waste molecular sieves need to be crushed, so that a corresponding crushing device is needed.
However, some existing waste molecular sieve crushing devices still have certain defects in the use process, the waste molecular sieve cannot be crushed sufficiently, so that the crushing effect is poor, and certain flying dust can be generated in the operation process and is scattered into the air, so that a large amount of dust is inhaled into the nasal cavity of an operator.
Therefore, it is necessary to provide a crushing device for the waste molecular sieve to solve the above technical problems.
Disclosure of Invention
The utility model provides a crushing device for waste molecular sieves, which aims to solve the technical problem that the waste molecular sieves cannot be fully crushed.
The crushing device of the waste molecular sieve provided by the utility model comprises: a crushing box; the discharging hole is arranged at the bottom of the crushing box; a first crushing roller disposed on the crushing tank; a second crushing roller disposed on the crushing tank; the screening mechanism is used for screening the waste molecular sieves crushed by the first crushing roller and the second crushing roller, and both screening mechanisms are arranged on the crushing box; the two discharge ports are formed in the outer wall of one side of the crushing box and are respectively positioned at one side of the two screening mechanisms; the blocking mechanisms are used for blocking the discharge ports, and the two blocking mechanisms are arranged on the crushing box.
Preferably, the screening mechanism comprises a screen and a vibration motor, the screen is arranged in the crushing box, and the vibration motor is arranged below the screen.
Preferably, the plugging mechanism comprises a sealing door, a connecting shaft and a driving motor, wherein the sealing door is rotatably installed on the discharge hole, the connecting shaft is fixedly connected with the sealing door, the driving motor is fixedly installed on the outer wall of one side of the crushing box, and an output shaft of the driving motor is fixedly connected with one end of the connecting shaft.
Preferably, two the collecting mechanism that collects is all provided with on the outer wall of one side of bin outlet to the filterable large granule waste gas molecular sieve on the screen cloth, collecting mechanism includes rack and collection box, the rack is arranged in one side of bin outlet, collection box slides and sets up on the rack, just collect the box with bin outlet looks adaptation.
Preferably, one side of the crushing box is provided with a dust fall mechanism for carrying out certain dust fall to the waste gas molecular sieve operation in-process, the dust fall mechanism comprises a fan, a water tank, a vertical pipe, a connecting pipe and an exhaust pipe, the fan is arranged on one side outer wall of the crushing box, the water tank is arranged on one side of the crushing box, the vertical pipe is arranged on the air outlet end of the fan, the vertical pipe extends to the inside of the water tank, the connecting pipe is arranged on one side outer wall of the crushing box, the connecting pipe is communicated with the air inlet end of the fan, the exhaust pipe is arranged on the crushing box, and the exhaust pipe is communicated with the connecting pipe.
Preferably, a stirring mechanism for stirring the crushed waste gas molecular sieve is arranged on the discharge hole, the stirring mechanism comprises a motor, a rotating shaft and a plurality of stirring rods, the motor is fixedly arranged on the outer wall of one side of the crushing box, the rotating shaft is rotatably arranged on the crushing box, one end of the rotating shaft is fixedly connected with an output shaft of the motor, and the stirring rods are fixedly arranged on the rotating shaft.
Preferably, a controller for controlling the first crushing roller, the second crushing roller, the vibration motor, the driving motor, the fan and the motor is arranged on the outer wall of one side of the crushing box, and a discharging hole is formed in the crushing box.
Compared with the related art, the crushing device for the waste molecular sieve has the following beneficial effects:
the utility model provides a crushing device of a waste molecular sieve, which comprises:
1. the waste molecular sieves can be fully crushed through the mutual matching of the crushing box, the first crushing roller and the second crushing roller, the crushing effect is good, and the screening mechanism can screen the crushed waste molecular sieves, so that the waste molecular sieves which do not meet the number and the size can be screened, then the crushing is continued, the crushing effect is effectively improved, the plugging mechanism is convenient for plugging a discharge outlet, and meanwhile, the waste molecular sieves filtered on the screen are convenient to process;
2. can collect the processing to filterable abandonment molecular sieve on the screen cloth through collecting mechanism, can carry out certain processing to the raise dust that the broken in-process of abandonment molecular sieve produced through dust fall mechanism, reduce raise dust and fly upward everywhere, and then reduce the staff and inhale the dust in the nasal cavity, can discharge the in-process help unloading to the discharge gate through dialling the material mechanism, avoid the discharge gate to appear the condition of jam, and then improve the discharge speed of discharge gate, conveniently carry out control operation to whole device through the controller.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional front view of a crushing apparatus for a spent molecular sieve according to a preferred embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the portion B shown in FIG. 1;
fig. 4 is a schematic diagram of a side view assembly structure of the plugging mechanism in the present utility model.
Reference numerals in the drawings: 1. a crushing box; 2. a discharge port; 3. a first crushing roller; 4. a second crushing roller; 5. a screen; 6. a vibration motor; 7. a discharge port; 8. sealing the door; 9. a connecting shaft; 10. a driving motor; 11. a placing rack; 12. a collection box; 13. a water tank; 14. a blower; 15. a standpipe; 16. a connecting pipe; 17. an exhaust pipe; 18. a motor; 19. a rotating shaft; 20. a material stirring rod.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to fig. 4 in combination, fig. 1 is a schematic structural diagram of a crushing apparatus for waste molecular sieves according to a preferred embodiment of the present utility model; FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1; FIG. 3 is an enlarged schematic view of the portion B shown in FIG. 1; fig. 4 is a schematic diagram of a side view assembly structure of the plugging mechanism in the present utility model.
The crushing device of the abandoned molecular sieve comprises: a crushing box 1; the discharging hole 2 is formed in the bottom of the crushing box 1; a first crushing roller 3, said first crushing roller 3 being arranged on said crushing tank 1; a second crushing roller 4, said second crushing roller 4 being arranged on said crushing tank 1; screening mechanisms for screening the waste molecular sieves crushed by the first crushing roller 3 and the second crushing roller 4 are arranged on the crushing box 1; the two discharge ports 7 are formed in the outer wall of one side of the crushing box 1, and the two discharge ports 7 are respectively positioned on one side of the two screening mechanisms; a shutoff mechanism for carrying out shutoff to bin outlet 7, two shutoff mechanism all sets up on the broken case 1, can carry out abundant crushing processing to the abandonment molecular sieve through the mutual cooperation of broken case 1, first broken roller 3 and second broken roller 4, crushing effect is better, screening mechanism can screen to the broken abandonment molecular sieve to the screening is carried out to the abandonment molecular sieve that does not accord with the figure size, then continues to carry out the breakage, the effectual improvement crushing effect, shutoff mechanism conveniently carries out shutoff to bin outlet 7, conveniently handles filterable abandonment molecular sieve on the screen cloth 5 simultaneously.
Screening mechanism includes screen cloth 5 and vibrating motor 6, screen cloth 5 sets up the inside of broken case 1, vibrating motor 6 sets up the below of screen cloth 5, screening mechanism can screen to broken abandonment molecular sieve to the screening is carried out to the abandonment molecular sieve that does not accord with the figure size, then continues to carry out the breakage, effectual improvement crushing effect.
The plugging mechanism comprises a sealing door 8, a connecting shaft 9 and a driving motor 10, wherein the sealing door 8 is rotatably installed on the discharge opening 7, the connecting shaft 9 is fixedly connected with the sealing door 8, the driving motor 10 is fixedly installed on the outer wall of one side of the crushing box 1, the output shaft of the driving motor 10 is fixedly connected with one end of the connecting shaft 9, the plugging mechanism is convenient to plug the discharge opening 7, and meanwhile, the waste molecular sieve filtered on the screen 5 is convenient to process.
Two all be provided with on the outer wall of one side of bin outlet 7 and collect the mechanism that gathers the filterable large granule waste gas molecular sieve on the screen cloth 5, collect mechanism includes rack 11 and collection box 12, rack 11 sets up one side of bin outlet 7, collection box 12 slides and sets up on the rack 11, just collect box 12 with bin outlet 7 looks adaptation can collect the processing to filterable abandonment molecular sieve on the screen cloth 5 through collecting the mechanism.
One side of the crushing box 1 is provided with a dust fall mechanism for carrying out certain dust fall to the operation process of the waste gas molecular sieve, the dust fall mechanism comprises a fan 14, a water tank 13, a vertical pipe 15, a connecting pipe 16 and an exhaust pipe 17, the fan 14 is arranged on the outer wall of one side of the crushing box 1, the water tank 13 is arranged on one side of the crushing box 1, the vertical pipe 15 is arranged on the air outlet end of the fan 14, the vertical pipe 15 extends to the inside of the water tank 13, the connecting pipe 16 is arranged on the outer wall of one side of the crushing box 1, the connecting pipe 16 is communicated with the air inlet end of the fan 14, the exhaust pipe 17 is arranged on the crushing box 1, and the exhaust pipe 17 is communicated with the connecting pipe 16, flying dust generated in the crushing process of the waste molecular sieve can be treated to a certain extent through the dust fall mechanism, flying dust is reduced, and the nasal cavity dust sucked in by workers is reduced.
Be provided with the stirring mechanism that is used for stirring out the material to the waste gas molecular sieve after the breakage on the discharge gate 2, stirring mechanism includes motor 18, pivot 19 and a plurality of stirring rod 20, motor 18 fixed mounting is in on the outer wall of one side of broken case 1, pivot 19 rotates and installs on the broken case 1, just the one end of pivot 19 with the output shaft fixed connection of motor 18, a plurality of stirring rod 20 are all fixed mounting in on the pivot 19, can help the unloading to discharge gate 2 row material in-process through stirring mechanism, avoid discharge gate 2 to appear the condition of jam, and then improve the discharge rate of discharge gate 2.
The crushing box 1 is provided with a discharging port on the outer wall of one side, and the controller is used for controlling the first crushing roller 3, the second crushing roller 4, the vibration motor 6, the driving motor 10, the fan 14 and the motor 18, and the whole device is conveniently controlled and operated through the controller.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.
The working principle of the crushing device of the waste molecular sieve provided by the utility model is as follows:
the scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;
during the use, first crushing roller 3 and second crushing roller 4 are prior art, do not much more and do the description again, install whole device on corresponding working position, put the abandonment molecular sieve that needs crushing treatment into crushing case 1 through the drain hole here, start first crushing roller 3 through the controller, second crushing roller 4, vibrations motor 6, fan 14 and motor 18, first crushing roller 3 carries out the first time to abandonment molecular sieve, the abandonment molecular sieve after the breakage drops to the screen cloth 5 that is located first crushing roller 3 below, vibrations motor 6 drives screen cloth 5 vibrations, thereby sieve the abandonment molecular sieve of breakage, the abandonment molecular sieve that does not accord with mesh size remains on screen cloth 5 that is located first crushing roller 3, the abandonment molecular sieve granule that accords with corresponding mesh size drops to here on second crushing roller 4 and breaks, the abandonment molecular sieve that does not accord with mesh size drops to screen cloth 5 that is located second crushing roller 4 below carries out the screening, the molecular sieve that does not accord with mesh size big size drops on screen cloth 5 that is located second crushing roller 4 below, the number that accords with big size drops on screen cloth 5 that is located second crushing roller 4, the number that accords with big size of sieve leaves on the screen cloth 5, the screen cloth 2 is located second crushing roller 2, the drain hole 2 is left through the drain hole that rotates on the screen cloth 2, the drain hole is cut off to the filter cloth 2, the size is fully, the drain hole is discharged through the rotor, the 2, the filter sieve is discharged through the hole is discharged to the filter cloth that is fully processed to the 2, the filter sieve is discharged through the rotor, the hole is discharged through the roller is more than the filter sieve is discharged to the pump 2;
after a certain amount of waste molecular sieves are treated, the waste molecular sieves filtered on the screen 5 can be treated at regular time, the driving motor 10 is started by the controller to drive the connecting shaft 9 to rotate, so that the sealing door 8 is driven to rotate, the discharging hole 7 is opened, the waste molecular sieves filtered on the screen 5 fall into the collecting box 12, the sealing door 8 can be reset by the reverse operation according to the steps, the waste molecular sieves are continuously crushed, the collecting box 12 is taken down from the placing frame 11, and the waste molecular sieves collected in the collecting box 12 are placed into the crushing box 1 again through the discharging hole to continuously perform crushing operation, so that the waste molecular sieves can be well crushed, and the crushing effect is good;
meanwhile, in the operation process, certain dust generated in the crushing box 1 enters the connecting pipe 16 through the exhaust pipe 17, then enters the vertical pipe 15, finally enters the water tank 13, and is filtered by water in the water tank 13, so that the dust is treated, a certain dust fall effect is achieved, and the dust in the operation process is reduced.
Compared with the related art, the crushing device for the waste molecular sieve has the following beneficial effects:
the utility model provides a crushing device for a waste molecular sieve, which can fully crush the waste molecular sieve through the mutual matching of a crushing box 1, a first crushing roller 3 and a second crushing roller 4, has a good crushing effect, and can screen the crushed waste molecular sieve by a screening mechanism so as to screen the waste molecular sieve which does not meet the number, then the crushing is continued, the crushing effect is effectively improved, a plugging mechanism is convenient for plugging a discharge outlet 7, and meanwhile, the waste molecular sieve filtered on a screen 5 is convenient to process;
can collect the processing to filterable abandonment molecular sieve on the screen cloth 5 through collecting mechanism, can carry out certain processing to the raise dust that the broken in-process of abandonment molecular sieve produced through dust fall mechanism, reduce raise dust and fly upward everywhere, and then reduce the staff's nasal cavity and inhale the dust, can discharge the in-process help unloading to discharge gate 2 through the stirring mechanism, avoid discharge gate 2 to appear the condition of jam, and then improve discharge gate 2's discharge rate, conveniently control the operation to whole device through the controller.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A fragmentation device for a spent molecular sieve, comprising:
a crushing box;
the discharging hole is arranged at the bottom of the crushing box;
a first crushing roller disposed on the crushing tank;
a second crushing roller disposed on the crushing tank;
the screening mechanism is used for screening the waste molecular sieves crushed by the first crushing roller and the second crushing roller, and both screening mechanisms are arranged on the crushing box;
the two discharge ports are formed in the outer wall of one side of the crushing box and are respectively positioned at one side of the two screening mechanisms;
the blocking mechanisms are used for blocking the discharge ports, and the two blocking mechanisms are arranged on the crushing box.
2. The apparatus for crushing a waste molecular sieve according to claim 1, wherein the screening mechanism comprises a screen provided inside the crushing tank and a vibration motor provided below the screen.
3. The crushing device of the abandoned molecular sieve according to claim 1, wherein the plugging mechanism comprises a sealing door, a connecting shaft and a driving motor, the sealing door is rotatably installed on the discharge opening, the connecting shaft is fixedly connected with the sealing door, the driving motor is fixedly installed on the outer wall of one side of the crushing box, and an output shaft of the driving motor is fixedly connected with one end of the connecting shaft.
4. The crushing device of the abandoned molecular sieve according to claim 1, wherein the two collecting mechanisms for collecting the filtered large-particle waste gas molecular sieve on the screen are arranged on the outer walls of one side of the discharge opening, each collecting mechanism comprises a placing frame and a collecting box, the placing frame is arranged on one side of the discharge opening, the collecting boxes are arranged on the placing frame in a sliding manner, and the collecting boxes are matched with the discharge opening.
5. The crushing device of the waste molecular sieve according to claim 1, wherein one side of the crushing box is provided with a dust falling mechanism for carrying out certain dust falling on the operation process of the waste molecular sieve, the dust falling mechanism comprises a fan, a water tank, a vertical pipe, a connecting pipe and an exhaust pipe, the fan is arranged on one side outer wall of the crushing box, the water tank is arranged on one side of the crushing box, the vertical pipe is arranged on the air outlet end of the fan, the vertical pipe extends to the inside of the water tank, the connecting pipe is arranged on one side outer wall of the crushing box, the connecting pipe is communicated with the air inlet end of the fan, the exhaust pipe is arranged on the crushing box, and the exhaust pipe is communicated with the connecting pipe.
6. The crushing device of the waste molecular sieve according to claim 1, wherein a stirring mechanism for stirring the crushed waste gas molecular sieve is arranged on the discharge hole, the stirring mechanism comprises a motor, a rotating shaft and a plurality of stirring rods, the motor is fixedly arranged on the outer wall of one side of the crushing box, the rotating shaft is rotatably arranged on the crushing box, one end of the rotating shaft is fixedly connected with an output shaft of the motor, and the stirring rods are fixedly arranged on the rotating shaft.
7. The crushing device for the waste molecular sieve according to claim 1, wherein a controller for controlling the first crushing roller, the second crushing roller, the vibration motor, the driving motor, the fan and the motor is arranged on the outer wall of one side of the crushing box, and a discharge port is arranged on the crushing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655092.8U CN219942990U (en) | 2023-06-27 | 2023-06-27 | Crushing device for abandoned molecular sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655092.8U CN219942990U (en) | 2023-06-27 | 2023-06-27 | Crushing device for abandoned molecular sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219942990U true CN219942990U (en) | 2023-11-03 |
Family
ID=88542010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321655092.8U Active CN219942990U (en) | 2023-06-27 | 2023-06-27 | Crushing device for abandoned molecular sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219942990U (en) |
-
2023
- 2023-06-27 CN CN202321655092.8U patent/CN219942990U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107794602A (en) | A kind of spinning scutcher | |
| CN109590089B (en) | Building rubbish reducing mechanism | |
| CN214681891U (en) | Dust extraction is processed to coarse rice | |
| CN219942990U (en) | Crushing device for abandoned molecular sieve | |
| CN114054349A (en) | Ore crushing dust fall recovery processing device | |
| CN113941424A (en) | A recovery processing equipment for old and useless lithium cell | |
| CN111229597B (en) | Environment-friendly vibrating screen for grain screening | |
| CN217120389U (en) | Even reducing mechanism of solid material | |
| CN216172723U (en) | Crushing device for powder production workshop of stewing process | |
| CN213161151U (en) | Concrete recovery plant | |
| CN213825164U (en) | Screening device for intelligent mineral processing | |
| CN211726918U (en) | Broken recovery unit of substandard product circuit board | |
| CN211913122U (en) | Die-casting oil mist collection device | |
| CN219373712U (en) | Separation equipment for shell and kernel of bubble walnut | |
| CN208261226U (en) | A kind of separate type blowback vibration dust remover | |
| CN113082930A (en) | Concrete quick separation device that can remove dust | |
| CN220177476U (en) | Automatic debris removing devices of organic tea production line | |
| CN220287679U (en) | Air purifying device | |
| CN220861982U (en) | Chinese herbal piece sieve separator | |
| CN219816388U (en) | Building material smashes recovery plant | |
| CN220634660U (en) | Ore sorting unit for mine mining engineering | |
| CN219816508U (en) | Clothing leftover material recovery device | |
| CN216800579U (en) | Fine filtering device for grain processing | |
| CN216910440U (en) | Building rubbish dust removal crushing equipment | |
| CN217165308U (en) | Dust diffusion prevention structure for vibrating screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |