CN118045684B - Screening system for cement clinker grinding production - Google Patents
Screening system for cement clinker grinding production Download PDFInfo
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- CN118045684B CN118045684B CN202410455295.5A CN202410455295A CN118045684B CN 118045684 B CN118045684 B CN 118045684B CN 202410455295 A CN202410455295 A CN 202410455295A CN 118045684 B CN118045684 B CN 118045684B
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- screening barrel
- plate
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- 238000012216 screening Methods 0.000 title claims abstract description 110
- 239000004568 cement Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000227 grinding Methods 0.000 title claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 55
- 239000011261 inert gas Substances 0.000 claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 claims description 13
- 244000309464 bull Species 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method 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
- 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
- B02C23/04—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening system for cement clinker grinding production, which comprises a screening barrel, wherein the top of the screening barrel is communicated with a feed hopper for injecting cement powder into the screening barrel, the bottom of the screening barrel is communicated with a discharge pipe for discharging large-particle cement powder, a stirring frame for stirring and crushing the bonded massive powder is rotationally connected in the screening barrel, the bottom of the screening barrel is provided with a motor for driving the stirring frame to rotate, and the outer wall of the screening barrel is communicated with a dust collection barrel for screening the cement powder with lighter mass. In the invention, when powder screening is carried out, the air blower blows air into the screening barrel through the exhaust pipe, the air is blown to the movable plate by the wind shield, so that the rotating rod drives the extrusion assembly to open the air control valve, and the air control valve can discharge inert gas into the screening barrel through the gas pipe, thereby reducing the oxygen concentration in the screening barrel, and preventing dust explosion.
Description
Technical Field
The invention relates to the technical field of powder separators, in particular to a screening system for cement clinker grinding production.
Background
The powder concentrator is widely applied to coal mills, raw material unloading and drying mills and cement mill systems in novel dry cement production lines, the powder concentrator has a plurality of types, different types of materials suitable for different types are different, different types are manufactured according to the requirements of customers on the fineness of the materials, and the common powder concentrator comprises a cyclone powder concentrator, a three-separation powder concentrator, a centrifugal powder concentrator, a coal mill special powder concentrator, a calcium powder special powder concentrator and the like.
When the powder selecting machine screens the ground cement clinker powder, the cement clinker powder needs to be screened in a dry environment, and the cement clinker powder is scattered and diffused in the powder selecting machine by the stirring bracket, so that static electricity is generated in the dry environment, and the static electricity spark explodes against the cement clinker powder, so that a certain potential safety hazard exists.
Disclosure of Invention
The invention aims at: in order to solve the problems, a screening system for cement clinker grinding production is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A cement clinker grinding production is with screening system, includes the screening bucket, includes:
Cement screening component: the top intercommunication of screening bucket is equipped with the feeder hopper that is used for pouring cement powder into in the screening bucket, the bottom intercommunication of screening bucket is equipped with the row material pipe with large granule cement powder exhaust, the stirring frame that stirs the cubic powder that is cohered together is smashed to the rotation in screening bucket, the motor that drives the stirring frame and carry out pivoted is installed to the bottom of screening bucket, the outer wall intercommunication of screening bucket is equipped with the dust absorption section of thick bamboo that is used for carrying out the screening with lighter cement powder of quality, the internally mounted of dust absorption section of thick bamboo has a plurality of filter bags that store cement powder, the bottom intercommunication of dust absorption section of thick bamboo is equipped with the circulating pipe with the gas discharge in the screening bucket, install the exhaust pipe with wind discharge in the screening bucket on the screening bucket, the air-blower that slows down the downgrade of cement dust in the screening bucket is installed to the bottom of exhaust pipe, the bottom of feeder hopper is connected with the revolving plate that avoids cement dust backward flow through the torsional spring axle;
A gas delivery member: the outer wall of the screening barrel is communicated with a gas pipe for conveying inert gas to the screening barrel, one end of the gas pipe far away from the screening barrel is fixedly provided with a gas control valve, one side of the gas control valve is communicated with a gas inlet pipe connected with an external inert gas high-pressure gas pipe, the inner wall of the gas control valve is fixedly connected with a first sleeve plate, the inner wall of the first sleeve plate is provided with a flow control component for controlling the flow of the inert gas, the inner part of the gas control valve is fixedly connected with a second sleeve plate, the outer walls of the first sleeve plate and the second sleeve plate are respectively provided with a first vent hole for exhausting the inert gas into the gas pipe, the inner wall of the second sleeve plate is provided with an air hole switch component for controlling whether inert gas enters the screening barrel, the inner walls of the first sleeve plate and the second sleeve plate are provided with circular grooves, the top of the air control valve is provided with an extrusion flow control component and an extrusion component of the air control switch component, the top fixedly connected with of extrusion subassembly drives extrusion subassembly pivoted bull stick, install the rotatory rotating assembly of drive bull stick on the exhaust pipe, the top rotation of bull stick is connected with the closure plate that control exhaust pipe opened and closed, the ventilation hole in blowing the exhaust pipe to the screening bucket has been seted up at the top of closure plate.
Preferably, the flow control assembly comprises a first sealing plate for blocking a first vent hole on a first sleeve plate, a second vent hole for enabling the first vent hole to circulate inert gas is formed in one side of the first sealing plate, a first movable rod for driving the first sealing plate to move is slidably connected to the inner wall of a circular groove on the first sleeve plate, and a first spring for pulling the first movable rod to move downwards is arranged in the circular groove.
Preferably, the air hole switch assembly comprises a second sealing plate for blocking the first air hole on the second sleeve plate, the second air hole is also formed in one side of the second sealing plate, the inner wall of the circular groove on the second sleeve plate is slidably connected with a second movable rod for driving the second sealing plate to move, and a second spring for pushing the second movable rod to move upwards is arranged in the circular groove.
Preferably, the extrusion assembly comprises a rotating block arranged at the bottom of the rotating rod, a magnet which drives the first movable rod to move upwards is arranged at the top of the first movable rod, an electromagnet which can attract the magnet to move upwards is arranged at the bottom of the rotating block, an oxygen content sensor which controls the magnetic force of the electromagnet through a control unit is fixedly arranged on the inner wall of the screening barrel, extrusion blocks capable of extruding the second movable rod are fixedly arranged on two sides of the rotating block, round corners are arranged at the top ends of the second movable rod, and triangular shapes are arranged on the extrusion blocks.
Preferably, the rotating assembly comprises a circular box communicated with one side of the exhaust pipe, a movable plate for driving the rotating rod to rotate is rotationally connected in the circular box, a stop block for enabling wind to be blown to one side of the movable plate only is fixedly arranged on the inner wall of the circular box, an arc-shaped spring for pushing the movable plate to reset after rotating is fixedly arranged on one side of the stop block, and a wind shield for intercepting the wind into the circular box is fixedly arranged on the inner wall of the exhaust pipe.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. in the application, when powder screening is carried out, the air blower blows air into the screening barrel through the exhaust pipe, the air is blown to the movable plate by the wind shield, so that the rotating rod drives the extrusion assembly to open the air control valve, and the air control valve can discharge inert gas into the screening barrel through the gas pipe, thereby reducing the oxygen concentration in the screening barrel, and preventing dust explosion.
2. According to the application, the oxygen content sensor can control the magnetic force of the electromagnet through the control unit according to the oxygen content in the screening barrel, when the oxygen content is higher, the magnetic force of the electromagnet is smaller, the first sealing plate moves upwards, the intersection between the first vent hole and the second vent hole is larger, inert gas is discharged into the screening barrel, when the oxygen content is lower, the magnetic force of the electromagnet is larger, the first sealing plate moves upwards, the intersection between the first vent hole and the second vent hole is smaller, and the inert gas is discharged into the screening barrel, so that the inert gas is reasonably saved, and resource waste is avoided.
Drawings
FIG. 1 shows a schematic overall structure provided in accordance with an embodiment of the present invention;
fig. 2 shows a cross-sectional view of a screening drum structure provided in accordance with an embodiment of the present invention;
FIG. 3 shows a cross-sectional view of an exhaust duct structure provided in accordance with an embodiment of the present invention;
FIG. 4 shows a distribution diagram of a rotating rod and a moving plate structure provided according to an embodiment of the present invention;
FIG. 5 shows a cross-sectional view of a control valve open state structure provided in accordance with an embodiment of the present invention;
FIG. 6 shows a schematic view of a first set of plates and a second set of plates provided in accordance with an embodiment of the present invention;
FIG. 7 shows a cross-sectional view of a first set of plates and a second set of plates provided in accordance with an embodiment of the present invention;
FIG. 8 is a schematic diagram showing a closing state structure of a control valve according to an embodiment of the present invention;
Fig. 9 shows a schematic structural diagram of an operating state of an electromagnet according to an embodiment of the present invention.
Legend description:
1. Screening barrels; 2. a feed hopper; 3. a discharge pipe; 4. a stirring rack; 5. a motor; 6. a dust collection cylinder; 7. a filter bag; 8. a circulation pipe; 9. an exhaust pipe; 10. a blower; 11. a gas pipe; 12. a gas control valve; 13. an air inlet pipe; 14. a first sleeve plate; 15. a second set of plates; 16. a first vent hole; 17. an extrusion assembly; 18. a rotating rod; 19. a circular groove; 20. a first movable lever; 21. a second movable rod; 22. a first spring; 23. a second spring; 24. a first sealing plate; 25. a second sealing plate; 26. a second vent hole; 27. a magnet; 28. an electromagnet; 29. extruding a block; 30. a circular box; 31. a movable plate; 32. an arc spring; 33. a stop block; 34. a wind deflector; 35. a closure plate; 36. a vent hole; 37. a rotating plate; 38. an oxygen content sensor.
Detailed Description
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. 1-9, the present invention provides a technical solution:
Embodiment one:
as shown in fig. 1 to 9, a screening system for cement clinker grinding production comprises a screening barrel 1, comprising:
Cement screening component: the top of the screening barrel 1 is communicated with a feed hopper 2 for injecting cement powder into the screening barrel 1, the bottom of the screening barrel 1 is communicated with a discharge pipe 3 for discharging large-particle cement powder, the screening barrel 1 is rotationally connected with a stirring frame 4 for stirring and crushing the massive powder which is bonded together, the stirring frame 4 consists of a plurality of crushing rods, the bottom end of the screening barrel 1 is provided with a motor 5 for driving the stirring frame 4 to rotate, the outer wall of the screening barrel 1 is communicated with a dust collection barrel 6 for screening the cement powder with lighter mass, the inside of the dust collection barrel 6 is provided with a plurality of filter bags 7 for storing the cement powder, the bottom of the dust collection barrel 6 is communicated with a circulating pipe 8 for discharging air into the screening barrel 1, the screening barrel 1 is provided with an exhaust pipe 9 for discharging air into the screening barrel 1, the bottom of the exhaust pipe 9 is provided with a blower 10 for slowing down the descending speed of the cement powder in the screening barrel 1, the blower 10 is larger than the blower 10 on a traditional powder selector, the blower 10 is provided with a larger blowing force, and thus the air blown out by the blower 10 is blocked by a clinker plate 34 and passes through a dust suction plate 36 and still can slow down the return of the cement powder in the bottom of the screening barrel 2 through a torsion spring 37;
A gas delivery member: the outer wall intercommunication of screening bucket 1 is equipped with the gas-supply pipe 11 that carries inert gas for screening bucket 1, the one end fixed mounting who keeps away from screening bucket 1 has accuse pneumatic valve 12 in gas-supply pipe 11, one side intercommunication of accuse pneumatic valve 12 is equipped with the intake pipe 13 of connecting outside inert gas high-pressure air pipe, the first loop board 14 of inner wall fixedly connected with of accuse pneumatic valve 12, the flow control subassembly of control inert gas flow is installed to the inner wall of first loop board 14, the inside fixedly connected with second loop board 15 of accuse pneumatic valve 12, first loop board 14 and the air vent first 16 in the gas-supply pipe 11 with inert gas is all offered to the outer wall of second loop board 15, the air vent switch module in the screening bucket 1 is got into to control inert gas is installed to the inner wall of second loop board 15, circular slot 19 has all been seted up to the inner wall of first loop board 14 and second loop board 15, the extrusion flow control subassembly and the extrusion subassembly 17 of air control switch module are installed at the top, the top fixedly connected with drive extrusion subassembly 17 pivoted bull stick 18, install the rotating assembly that drives bull stick 18 on the bull stick 9, the top rotation connection of 18 has control board and has opened the top rotation to control board and has been closed the air vent 9 and has been fallen into the air vent first 36 in the screening bucket 1, the air vent first 36 is fallen into the air vent 9 in the screening bucket 1, the top 36 can be accomplished to the air vent 35, the top is not fallen into the air vent 9 in the screening bucket is closed, the air vent 9 is closed, the top is closed the top is opened.
Embodiment two:
The flow control assembly is basically the same as the first technical solution of the embodiment, as shown in fig. 6 and 7, except that the flow control assembly includes a first sealing plate 24 for blocking the first vent hole 16 on the first sleeve plate 14, a second vent hole 26 for enabling the first vent hole 16 to circulate inert gas is formed on one side of the first sealing plate 24, a first movable rod 20 for driving the first sealing plate 24 to move is slidably connected to the inner wall of the circular groove 19 on the first sleeve plate 14, a first spring 22 for pulling the first movable rod 20 to move downwards is installed inside the circular groove 19, and in a state that the screening machine is not used, the first spring 22 pulls the first sealing plate 24 to align the first vent hole 16 with the second vent hole 26, so that the inert gas passes through the first sleeve plate 14;
the air hole switch assembly comprises a second sealing plate 25 for blocking the first air hole 16 on the second sleeve plate 15, one side of the second sealing plate 25 is also provided with a second air hole 26, the inner wall of the circular groove 19 on the second sleeve plate 15 is slidably connected with a second movable rod 21 for driving the second sealing plate 25 to move, the inside of the circular groove 19 is provided with a second spring 23 for pushing the second movable rod 21 to move upwards, and in a non-use state of the screening machine, the second spring 23 can push the second sealing plate 25 to move upwards to seal the first air hole 16, so that inert gas cannot pass through the air control valve 12 to enter the air conveying pipe 11.
Embodiment III:
The difference is that, as shown in fig. 3, 4 and 5, the extrusion assembly 17 includes a rotating block installed at the bottom of the rotating rod 18, a magnet 27 driving the first movable rod 20 to move upward is installed at the top of the first movable rod 20, an electromagnet 28 capable of attracting the magnet 27 to move upward is installed at the bottom of the rotating block, an oxygen content sensor 38 controlling the magnetic force of the electromagnet 28 through a control unit is fixedly installed at the inner wall of the screening barrel 1, extrusion blocks 29 capable of extruding the second movable rod 21 are fixedly installed at two sides of the rotating block, the top end of the second movable rod 21 is provided with a round angle, the shape of the extrusion block 29 is provided with a triangle, and the extrusion block 29 extrudes the second movable rod 21 to move downward after rotating;
The rotating assembly comprises a circular box 30 communicated with one side of an exhaust pipe 9, a movable plate 31 for driving a rotating rod 18 to rotate is rotatably connected in the circular box 30, the height of the movable plate 31 is the same as that of the interior of the circular box 30, a stop block 33 for enabling wind to blow to one face of the movable plate 31 only is fixedly arranged on the inner wall of the circular box 30, the stop block 33 can block half of the circular box 30, wind blocked by a wind blocking plate 34 can blow to one face appointed by the movable plate 31, accordingly the movable plate 31 can rotate in a directional mode, an arc-shaped spring 32 for pushing the movable plate 31 to reset after rotation is fixedly arranged on one side of the stop block 33, and the wind blocking plate 34 for blocking wind into the circular box 30 is fixedly arranged on the inner wall of the exhaust pipe 9.
In summary, in the powder selecting machine provided in this embodiment, when the ground cement clinker powder is screened, the operator firstly turns on the motor 5 to drive the stirring frame 4 to rotate, then pours the cement clinker powder into the feed hopper 2, the cement clinker powder enters the feed hopper 2 and then presses the rotating plate 37 to rotate, the rotating plate 37 rotates and then the cement clinker powder is discharged into the screening barrel 1, the rotating plate 37 rotates and then resets to block the feed hopper 2, the powder backflow of the screening barrel 1 is avoided, the powder entering the screening barrel 1 is smashed by the stirring frame 4, so that the powder is prevented from being bonded together, the dust suction barrel 6 can generate suction force to suck the small-particle cement clinker powder with lighter mass, the small-particle cement clinker powder with lighter mass can be collected into the filter bag 7, the filter bag 7 is provided with a back-blowing component, the cement clinker powder can be automatically blown off to facilitate the collection of the operator, the circulating pipe 8 can enable the inert gas discharged into the screening barrel 1 not to be directly pumped away, and the cement clinker powder with heavier particles can be discharged into the bottom of the screening barrel 1 through the bottom 3;
Simultaneously, the worker opens the blower 10 to exhaust air through the exhaust pipe 9, the wind in the exhaust pipe 9 can be blocked by the wind guard 34, the wind guard 34 can blow the wind to the movable plate 31, the movable plate 31 is blown by the wind to drive the rotary rod 18 to rotate, the rotary rod 18 can drive the blocking plate 35 to rotate, the vent hole 36 on the blocking plate 35 can enter the exhaust pipe 9, the wind can blow into the screening barrel 1 to reduce the falling speed of cement clinker powder, the screening accuracy is improved, the rotary rod 18 can drive the extrusion assembly 17 to rotate, the rotating block can drive the electromagnet 28 to rotate to the top of the first movable rod 20, the oxygen content sensor 38 can control the magnetic force of the electromagnet 28 through the control unit according to the oxygen content in the screening barrel, when the oxygen content is higher, the magnetic force of the electromagnet 28 is smaller, the suction force of the electromagnet 28 to the magnet 27 is smaller, the first movable rod 20 drives the first sealing plate 24 to move upwards is smaller, the larger the intersection between the first vent hole 16 on the first sleeve plate 14 and the second vent hole 26 on the first sealing plate 24, the more inert gas is discharged into the screening barrel 1, when the oxygen content is low, the larger the magnetic force of the electromagnet 28 is, the larger the attraction force of the electromagnet 28 to the magnet 27 is, the more the first movable rod 20 drives the first sealing plate 24 to move upwards, the smaller the intersection between the first vent hole 16 on the first sleeve plate 14 and the second vent hole 26 on the first sealing plate 24 is, the less inert gas is discharged into the screening barrel 1, so that the inert gas can pass through the first sleeve plate 14, the flow rate of the inert gas can be controlled according to the oxygen content, the resource waste is avoided, the rotating block is far away from the second movable rod 21, the second spring 23 pushes the second movable rod 21 to move upwards, the second movable rod 21 drives the second sealing plate 25 to move upwards, so that the first vent holes on the second sleeve plate 15 are correspondingly crossed with the second vent holes 26 on the second sealing plate 25, and inert gas passing through the first sleeve plate 14 passes through the second sleeve plate 15 and enters the screening barrel 1 through the gas pipe 11, thereby avoiding dust explosion in the screening barrel 1;
after the screening of the cement clinker powder is finished, the worker turns off the blower 10, so that the movable plate 31 which is extruded by lack of wind is pushed by the arc-shaped spring 32 to reset, the movable plate 31 drives the rotary rod 18 to rotate reversely, the rotary rod 18 which rotates reversely drives the blocking plate 35, and the vent hole 36 on the blocking plate 35 is far away from the exhaust pipe 9, so that the cement clinker powder still permeated in the screening barrel 1 can not fall into the exhaust pipe 9 to cause blockage.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a cement clinker grinding production is with screening system, includes screening barrel (1), its characterized in that includes:
Cement screening component: the top intercommunication of screening bucket (1) is equipped with feeder hopper (2) that are used for pouring cement powder into in screening bucket (1), the bottom intercommunication of screening bucket (1) is equipped with big granule cement powder exhaust row material pipe (3), the stirring frame (4) that smashes is carried out to the cubic powder that bonds together to the internal connection of screening bucket (1), motor (5) that drive stirring frame (4) rotated are installed to the bottom of screening bucket (1), the outer wall intercommunication of screening bucket (1) is equipped with dust absorption section of thick bamboo (6) that are used for carrying out the screening with lighter cement powder of quality, the internally mounted of dust absorption section of thick bamboo (6) has a plurality of filter bags (7) that store cement powder, the bottom intercommunication of dust absorption section of thick bamboo (6) is equipped with exhaust pipe (8) in with gas discharge into screening bucket (1), install on screening bucket (1) with wind exhaust pipe (9) in the bottom of exhaust pipe (9) and slow down cement dust in screening bucket (1) decline speed, the bottom of air-out the air blower (2) is connected with torsion spring (37 through torsion spring return-free of dust in the bottom of the fan (2);
A gas delivery member: the utility model discloses a screening barrel, including screening barrel (1), screening barrel (1) outer wall intercommunication is equipped with gas-supply pipe (11) for conveying inert gas for screening barrel (1), one end fixed mounting who keeps away from screening barrel (1) in gas-supply pipe (11) has accuse pneumatic valve (12), one side intercommunication of accuse pneumatic valve (12) is equipped with intake pipe (13) of connecting outside inert gas high-pressure air pipe, the inner wall fixedly connected with first sleeve board (14) of accuse pneumatic valve (12), the flow control subassembly of control inert gas flow is installed to the inner wall of first sleeve board (14), the inside fixedly connected with second sleeve board (15) of accuse pneumatic valve (12), vent one (16) with inert gas is arranged in gas-supply pipe (11) are all offered to the outer wall of first sleeve board (14) and second sleeve board (15), whether control pneumatic valve's (15) get into the pore switch subassembly in screening barrel (1) is installed to the inner wall of control inert gas, circular slot (19) are all seted up to the inner wall of first sleeve board (14), the flow control subassembly (12) is installed to the inner wall of control valve (17) and is extruded the top (17) and is driven the extrusion subassembly (17) that is installed to rotate, extrusion top (17) drive extrusion assembly (17) drive the extrusion assembly (17), the top of bull stick (18) rotates and is connected with the closure plate (35) of control exhaust pipe (9) opening and closing, ventilation hole (36) in blowing to screening barrel (1) in exhaust pipe (9) are seted up at the top of closure plate (35).
2. The screening system for cement clinker grinding production according to claim 1, wherein the flow control assembly comprises a first sealing plate (24) for blocking a first vent hole (16) on the first sleeve plate (14), a second vent hole (26) for enabling inert gas to circulate in the first vent hole (16) is formed in one side of the first sealing plate (24), a first movable rod (20) for driving the first sealing plate (24) to move is slidably connected to the inner wall of a circular groove (19) on the first sleeve plate (14), and a first spring (22) for pulling the first movable rod (20) to move downwards is arranged in the circular groove (19).
3. The screening system for cement clinker grinding production according to claim 2, wherein the air hole switch assembly comprises a second sealing plate (25) for blocking the first air hole (16) on the second sleeve plate (15), the second air hole (26) is also formed in one side of the second sealing plate (25), the second movable rod (21) for driving the second sealing plate (25) to move is slidably connected to the inner wall of the circular groove (19) on the second sleeve plate (15), and a second spring (23) for pushing the second movable rod (21) to move upwards is arranged in the circular groove (19).
4. A screening system for cement clinker grinding production according to claim 3, wherein the extrusion assembly (17) comprises a rotating block arranged at the bottom of the rotating rod (18), a magnet (27) for driving the first movable rod (20) to move upwards is arranged at the top of the first movable rod (20), an electromagnet (28) capable of attracting the magnet (27) to move upwards is arranged at the bottom of the rotating block, an oxygen content sensor (38) for controlling the magnetic force of the electromagnet (28) through a control unit is fixedly arranged on the inner wall of the screening barrel (1), extrusion blocks (29) capable of extruding the second movable rod (21) are fixedly arranged on two sides of the rotating block, the top end of the second movable rod (21) is provided with a round angle, and the shape of the extrusion blocks (29) is provided with a triangle shape.
5. The screening system for cement clinker grinding production according to claim 4, wherein the rotating assembly comprises a circular box (30) communicated with one side of an exhaust pipe (9), a movable plate (31) for driving a rotating rod (18) to rotate is rotatably connected in the circular box (30), a stop block (33) for enabling wind to blow to one side of the movable plate (31) is fixedly arranged on the inner wall of the circular box (30), an arc-shaped spring (32) for pushing the movable plate (31) to reset after rotating is fixedly arranged on one side of the stop block (33), and a wind shield (34) for intercepting wind into the circular box (30) is fixedly arranged on the inner wall of the exhaust pipe (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410455295.5A CN118045684B (en) | 2024-04-16 | 2024-04-16 | Screening system for cement clinker grinding production |
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| CN120094671B (en) * | 2025-05-08 | 2025-07-25 | 江苏鹏飞集团股份有限公司 | A full external circulation cement vertical mill |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE802811A (en) * | 1972-07-27 | 1974-01-28 | Air Liquide | CRUSHING APPARATUS AND METHOD |
| AU1336988A (en) * | 1987-03-26 | 1988-09-29 | Metprotech Pacific (Proprietary) Limited | Fine milling of subdivided materials and recovery processes employing same |
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| CN102921515B (en) * | 2012-11-23 | 2015-01-14 | 苏州大学 | a drug grinder |
| CN206982984U (en) * | 2017-04-05 | 2018-02-09 | 严斯亮 | A kind of refined cement stirring system |
| CN107812566B (en) * | 2017-10-17 | 2019-04-09 | 浙江光华科技股份有限公司 | A kind of sheet stock crusher of saturated polyester resin |
| CN213133961U (en) * | 2020-08-11 | 2021-05-07 | 长春亿丰饲料有限公司 | Concentrated feed processing sieving mechanism |
| CN216800541U (en) * | 2021-12-15 | 2022-06-24 | 山东润城混凝土有限公司 | High concrete aggregate screening installation of operational safety for building |
| CN115569837A (en) * | 2022-10-16 | 2023-01-06 | 唐山神州机械集团有限公司 | Movable wind-power dry coal dressing ash-reducing desulfurization equipment and use method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE802811A (en) * | 1972-07-27 | 1974-01-28 | Air Liquide | CRUSHING APPARATUS AND METHOD |
| AU1336988A (en) * | 1987-03-26 | 1988-09-29 | Metprotech Pacific (Proprietary) Limited | Fine milling of subdivided materials and recovery processes employing same |
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