CN220547239U - Cement screening plant - Google Patents
Cement screening plant Download PDFInfo
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- CN220547239U CN220547239U CN202322143234.9U CN202322143234U CN220547239U CN 220547239 U CN220547239 U CN 220547239U CN 202322143234 U CN202322143234 U CN 202322143234U CN 220547239 U CN220547239 U CN 220547239U
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- 238000012216 screening Methods 0.000 title claims abstract description 73
- 239000004568 cement Substances 0.000 title claims abstract description 49
- 239000000843 powder Substances 0.000 claims abstract description 76
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 229910000639 Spring steel Inorganic materials 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 241000251131 Sphyrna Species 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to the technical field of cement production, in particular to a cement screening device which can carry out multistage screening, can clean a screen plate, avoids the blockage of the screen plate and has high screening working efficiency; the device comprises a frame, a powder screen cylinder, a feeding pipe and a driving motor, wherein the powder screen cylinder is obliquely and rotatably arranged on the frame, the feeding pipe is arranged on the frame, the output end of the feeding pipe extends into the powder screen cylinder, the driving motor is arranged on the frame, and the driving motor drives the powder screen cylinder to rotate; the powder sieve is characterized by further comprising a discharging pipe, an air supply pipe and spray pipes, wherein the side wall of the powder sieve cylinder is concentrically provided with a plurality of layers of sieve plates, sieve holes of the plurality of layers of sieve plates are gradually reduced from inside to outside, a plurality of discharging pipes are arranged on the frame and are respectively aligned with the lower ends of the plurality of layers of sieve plates, the air supply pipe is arranged on the frame, the output end of the air supply pipe stretches into the powder sieve cylinder, the output end of the air supply pipe is provided with a plurality of spray pipes, the spray pipes face towards the sieve plate of the powder sieve cylinder, and the plurality of spray pipes blow the sieve holes to the plurality of layers of sieve plates.
Description
Technical Field
The utility model relates to the technical field of cement production, in particular to a cement screening device.
Background
The cement is a powdery hydraulic inorganic cementing material. The water is added and stirred to form slurry, which can be hardened in air or water and firmly bond sand, stone and other materials together. Cement is one of the most common and largest quantities of building materials.
In the cement production process of the prior art, various devices for screening cement and raw materials thereof are proposed, for example, a screening device for efficient cement processing is proposed in the chinese patent of patent No. ZL202220794633.4, the screening device drives a screening drum to rotate through a motor, cement flowing in from a hopper is continuously screened through the rotation of the screening drum, the cement meeting the requirements is filtered out from the screening drum through a drum body made of a filter screen plate, the filtered large-particle cement slides to a discharge port along the inclined screening drum and is discharged from the discharge pipe, cement is continuously added into the screening drum through the hopper, and the screening drum continuously screens the cement.
However, the screening cylinder of the device is not provided with an anti-blocking mechanism, and because cement powder has certain adhesion, the screen plate of the screening cylinder is easy to block, so that the screening working efficiency is reduced, and the screening cylinder is only provided with one layer of screening cylinder, so that multistage screening cannot be performed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the cement screening device which can carry out multistage screening, can clean a screen plate, avoids the blockage of the screen plate and has high screening work efficiency.
The utility model relates to a cement screening device which comprises a frame, a powder screening cylinder, a feeding pipe and a driving motor, wherein the powder screening cylinder is obliquely and rotatably arranged on the frame, the feeding pipe is arranged on the frame, the output end of the feeding pipe extends into the powder screening cylinder, the driving motor is arranged on the frame, and the driving motor drives the powder screening cylinder to rotate; the device comprises a frame, a plurality of discharging pipes, an air supply pipe and spray pipes, wherein the side walls of a powder screen cylinder are concentrically provided with a plurality of sieve plates, sieve holes of the sieve plates are gradually reduced from inside to outside, the frame is provided with the plurality of discharging pipes, the plurality of discharging pipes are respectively aligned with the lower ends of the sieve plates, the air supply pipe is arranged on the frame, the output end of the air supply pipe stretches into the powder screen cylinder, the output end of the air supply pipe is provided with the plurality of spray pipes, the spray pipes face towards the sieve plate of the powder screen cylinder, and the plurality of spray pipes blow air to the sieve plates to blow the sieve holes; during operation, cement is input into the powder screen cylinder through the inlet pipe, the powder screen cylinder is driven to rotate by the driving motor, the multi-layer screen plate of the powder screen cylinder carries out multi-stage screening on cement, large particles intercepted by the screen plate flow downwards along the multi-layer screen plate of the inclined powder screen cylinder and are discharged through a plurality of discharging pipes respectively, the input end of the air supply pipe is connected with an external air source, wind power is conveyed to a plurality of spray pipes through the air supply pipe to spray out, and the sprayed gas blows out residual cement powder on the screen holes of the multi-layer screen plate, so that the screen plate is prevented from being blocked, and the reduction of screening work efficiency is avoided.
Preferably, the air conditioner further comprises a dryer, wherein the dryer is arranged on the input end of the air supply pipe, and the dryer removes moisture in the air supply pipe; the influence of water in the air on cement can be avoided by arranging the dryer.
Preferably, the device also comprises a valve and a gear motor, wherein the valve is arranged at the input end of the air supply pipe, a rotary opening and closing part is arranged in the valve, the gear motor is arranged on the valve, and an output shaft of the gear motor is in transmission connection with a rotating shaft of the opening and closing part; the gear motor drives the opening and closing part in the valve to rotate, so that the valve is intermittently opened and closed, high-pressure air is intermittently blown into the air supply pipe to form pulses, and the cleaning effect on the plug holes is improved.
Preferably, the powder screen cylinder comprises a plurality of support plates, a plurality of slide bars and a plurality of cover plates, wherein the plurality of support plates are respectively arranged in the plurality of spray pipes, sliding holes are uniformly formed in the centers of the plurality of support plates, a plurality of vent holes are uniformly formed around the sliding holes of the plurality of support plates, the middle parts of the plurality of slide bars are respectively inserted in the sliding holes of the plurality of support plates in a sliding manner, the lower ends of the plurality of slide bars are respectively provided with a convex edge for limiting, the upper ends of the plurality of slide bars are respectively provided with a cover plate, the vent holes of the plurality of support plates are covered by the plurality of cover plates, a gap for gas to pass through is formed between the plurality of cover plates and the inner walls of the plurality of spray pipes, and the plurality of cover plates impact the sieve plate of the powder screen cylinder under the action of air pressure; when the air pressure in the air supply pipe is low, the vent holes of the supporting plates are covered by the cover plates, when the pulse air pressure in the air supply pipe is large enough, the cover plates and the slide bars are pushed up by the air, the air is sprayed to the sieve plate of the powder sieve cylinder through the vent holes on the supporting plates and the gaps between the cover plates and the spray pipes, and the cover plates impact the sieve plate of the powder sieve cylinder under the impact of the air, so that the sieve plate vibrates to shake off cement in sieve holes, and the cleaning effect on the sieve holes is improved.
Preferably, gaskets for buffering are arranged between the plurality of cover plates and the plurality of supporting plates; through setting up the gasket for reduce the damage of colliding with when apron descends to reset the collision layer board, noise abatement simultaneously.
Preferably, the powder screen comprises a plurality of shaft seats, a plurality of knocking rods and a plurality of hammerheads, wherein the shaft seats are arranged on the multilayer screen plate of the powder screen cylinder, one ends of the knocking rods are respectively connected with the shaft seats in a rotating way, the hammerheads are arranged at the other ends of the knocking rods, and the hammerheads knock the multilayer screen plate along with the rotation of the powder screen cylinder; when a plurality of axle bases rotate to the low level along with the powder screen cylinder, under the action of gravity, a plurality of tups descend respectively and strike its outer sieve, and when a plurality of axle bases rotate to the high level along with the powder screen cylinder, under the action of gravity, a plurality of tups descend respectively and strike its inlayer sieve for the multilayer sieve of powder screen cylinder all is vibrated, thereby improves the cleaning performance of sieve mesh, simple structure practicality is good.
Preferably, the screen plate is also provided with a plurality of spring steel balls, the spring steel balls are elastically arranged on the plurality of shaft seats, the plurality of knocking rods are elastically limited by the plurality of spring steel balls respectively, and the limiting effect of the plurality of spring steel balls enables the plurality of hammer heads to start knocking the screen plate when the plurality of shaft seats are close to the vertical state; through setting up a plurality of spring steel balls and carrying out elasticity spacing to a plurality of rapping bars, the surface is when a plurality of axle beds incline at the low angle, and a plurality of tups strike the sieve promptly under the action of gravity for a plurality of tups exert the biggest dynamics of beating, improve the vibration effect to the sieve.
Compared with the prior art, the utility model has the beneficial effects that: during operation, cement is input into the powder screen cylinder through the inlet pipe, the powder screen cylinder is driven to rotate by the driving motor, the multi-layer screen plate of the powder screen cylinder carries out multi-stage screening on cement, large particles intercepted by the screen plate flow downwards along the multi-layer screen plate of the inclined powder screen cylinder and are discharged through a plurality of discharging pipes respectively, the input end of the air supply pipe is connected with an external air source, wind power is conveyed to a plurality of spray pipes through the air supply pipe to spray out, and the sprayed gas blows out residual cement powder on the screen holes of the multi-layer screen plate, so that the screen plate is prevented from being blocked, and the reduction of screening work efficiency is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of an axially partial cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the structure of the main body of the present utility model in an exploded state;
FIG. 4 is a schematic view of the structure of the air supply pipe, the spray pipe, the dryer and the like;
FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 4;
FIG. 6 is a schematic view of a partially enlarged structure at B in FIG. 4;
FIG. 7 is a schematic view of a partially enlarged structure at C in FIG. 2;
the reference numerals in the drawings: 1. a frame; 2. a powder screen cylinder; 3. a feed pipe; 4. a driving motor; 5. a discharge pipe; 6. an air supply pipe; 7. a spray pipe; 8. a dryer; 9. a valve; 10. a speed reducing motor; 11. a supporting plate; 12. a slide bar; 13. a cover plate; 14. a shaft seat; 15. knocking the rod; 16. a hammer head; 17. and a spring steel ball.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
As shown in fig. 1, 2 and 3, the cement screening device comprises a frame 1, a powder screen cylinder 2, a feeding pipe 3 and a driving motor 4, wherein the powder screen cylinder 2 is obliquely and rotatably arranged on the frame 1, the feeding pipe 3 is arranged on the frame 1, the output end of the feeding pipe 3 extends into the powder screen cylinder 2, the driving motor 4 is arranged on the frame 1, and the driving motor 4 drives the powder screen cylinder 2 to rotate; the device comprises a frame 1, a plurality of discharging pipes 5, an air supply pipe 6 and spray pipes 7, wherein the side wall of the powder screen cylinder 2 is concentrically provided with a plurality of layers of screen plates, the screen holes of the plurality of layers of screen plates gradually decrease from inside to outside, the frame 1 is provided with the plurality of discharging pipes 5, the plurality of discharging pipes 5 are respectively aligned with the lower ends of the plurality of layers of screen plates, the air supply pipe 6 is arranged on the frame 1, the output end of the air supply pipe 6 stretches into the powder screen cylinder 2, the output end of the air supply pipe 6 is provided with a plurality of spray pipes 7, the spray pipes 7 face the screen plate of the powder screen cylinder 2, and the plurality of spray pipes 7 blow air to the plurality of layers of screen plates to blow the screen holes; and a dryer 8, wherein the dryer 8 is arranged on the input end of the air supply pipe 6, and the dryer 8 removes moisture in the air in the input air supply pipe 6.
During operation, cement is input into the powder screen cylinder 2 through the feeding pipe 3, the powder screen cylinder 2 is driven to rotate by the driving motor 4, multi-layer screening plates of the powder screen cylinder 2 conduct multi-stage screening on cement, large particles intercepted by the screening plates flow downwards along the multi-layer screening plates of the inclined powder screen cylinder 2 and are discharged through the discharging pipes 5 respectively, the input end of the air supply pipe 6 is connected with an external air source, wind power is conveyed to the spraying pipes 7 through the air supply pipe 6 to spray out, residual cement powder on screening holes of the multi-layer screening plates is blown open by the sprayed gas, accordingly screening plate blockage is avoided, screening work efficiency is prevented from being reduced, and influence on cement caused by water in air can be avoided by setting the dryer 8.
As shown in fig. 4, 5 and 6, the device further comprises a valve 9 and a gear motor 10, wherein the valve 9 is arranged at the input end of the air supply pipe 6, a rotating opening and closing component is arranged in the valve 9, the gear motor 10 is arranged on the valve 9, and the output shaft of the gear motor 10 is in transmission connection with the rotating shaft of the opening and closing component; the device comprises a plurality of spray pipes 7, a plurality of support plates 11, a plurality of slide bars 12 and a plurality of cover plates 13, wherein the plurality of support plates 11 are respectively arranged in the plurality of spray pipes 7, slide holes are uniformly formed in the centers of the plurality of support plates 11, a plurality of vent holes are uniformly formed around the slide holes of the plurality of support plates 11, the middle parts of the plurality of slide bars 12 are respectively and slidably inserted into the slide holes of the plurality of support plates 11, the lower ends of the plurality of slide bars 12 are respectively provided with a convex edge for limiting, the upper ends of the plurality of slide bars 12 are respectively provided with a cover plate 13, the vent holes of the plurality of support plates 11 are covered by the plurality of cover plates 13, a gap for gas to pass through is formed between the plurality of cover plates 13 and the inner walls of the plurality of spray pipes 7, and the plurality of cover plates 13 impact the sieve plate of the powder sieve cylinder 2 under the action of air pressure; gaskets for buffering are arranged between the plurality of cover plates 13 and the plurality of supporting plates 11.
The gear motor 10 drives the opening and closing parts in the valve 9 to rotate, so that the valve 9 is intermittently opened and closed, high-pressure air is intermittently blown into the air supply pipe 6 to form pulses, the cleaning effect on the holes is improved, when the air pressure in the air supply pipe 6 is low, the plurality of cover plates 13 cover the vent holes of the plurality of support plates 11, when the pulse air pressure in the air supply pipe 6 is large enough, the air pushes the plurality of cover plates 13 and the plurality of slide bars 12 high, the air is sprayed to the sieve plate of the powder sieve cylinder 2 through the vent holes on the plurality of support plates 11 and gaps between the cover plates 13 and the spray pipes 7, and meanwhile, the plurality of cover plates 13 impact the sieve plate of the powder sieve cylinder 2 under the impact of the air, so that the sieve plate vibrates to fall off cement in sieve holes, the cleaning effect on the sieve holes is improved, and by arranging the gaskets, the collision damage caused by collision is reduced when the cover plates 13 descend and collide with the support plates 11, and the noise is reduced.
As shown in fig. 7, the powder sieve further comprises a plurality of shaft seats 14, a plurality of knocking rods 15 and a plurality of hammers 16, wherein the shaft seats 14 are respectively arranged on the multilayer sieve plate of the powder sieve cylinder 2, one ends of the knocking rods 15 are respectively and rotatably connected with the shaft seats 14, the hammers 16 are respectively arranged at the other ends of the knocking rods 15, and the hammers 16 knock the multilayer sieve plate along with the rotation of the powder sieve cylinder 2; the screen plate is characterized by further comprising a plurality of spring steel balls 17, wherein the spring steel balls 17 are elastically installed on the plurality of shaft seats 14, the plurality of knocking rods 15 are elastically limited by the plurality of spring steel balls 17 respectively, and the limiting effect of the plurality of spring steel balls 17 enables the plurality of hammer heads 16 to start knocking the screen plate when the plurality of shaft seats 14 are close to the vertical state.
When a plurality of axle bases 14 rotate to the low level along with the powder screen cylinder 2, a plurality of hammers 16 respectively descend to strike the outer screen plate under the action of gravity, when a plurality of axle bases 14 rotate to the high level along with the powder screen cylinder 2, a plurality of hammers 16 respectively descend to strike the inner screen plate under the action of gravity, so that the multi-layer screen plate of the powder screen cylinder 2 is vibrated, thereby improving the cleaning effect of screen holes, elastically limiting a plurality of strike rods 15 through arranging a plurality of spring steel balls 17, and the surfaces strike the screen plate under the action of gravity when the plurality of axle bases 14 incline at a small angle, so that a plurality of hammers 16 exert the maximum strike force, and the vibration effect of the screen plate is improved.
As shown in fig. 1 to 7, in the cement screening device of the present utility model, when the cement screening device is operated, firstly, cement is input into a powder screening cylinder 2 through a feed pipe 3, a driving motor 4 drives the powder screening cylinder 2 to rotate, multi-layer screening plates of the powder screening cylinder 2 perform multi-stage screening on the cement, large particles intercepted by the screening plates flow downwards along the multi-layer screening plates of the inclined powder screening cylinder 2 and are respectively discharged through a plurality of discharge pipes 5, then the input end of an air supply pipe 6 is connected with an external air source, a dryer 8 drives a gas, a speed reducing motor 10 drives an opening and closing component in a valve 9 to rotate, so that high-pressure air intermittently blows into the air supply pipe 6 to form pulses, then, when the air pressure in the air supply pipe 6 is low, a plurality of cover plates 13 cover vent holes of a plurality of supporting plates 11, when the pulse air pressure in the air supply pipe 6 is large enough, the gas pushes up the plurality of cover plates 13 and a plurality of slide bars 12, the gas is sprayed to the powder screening cylinder 2 through gaps between the plurality of vent holes and the cover plates 13 and the spray pipes 7, and the plurality of discharge pipes 5, and at the same time, the plurality of cover plates 13 impact the powder screening plates 2 at the impact the air source, the air supply pipe 6, the high-pressure air pressure intermittently blows into the air supply pipe 6, form pulses, and then the plurality of vibrating plates are driven by the plurality of cover plates 16 to impact the sieve plates and the sieve plates to rotate at the multi-layer screening plates, and vibration sieve plates 16, and vibration sieve plates are prevented from vibrating the vibration sieve plates 16, and the vibration sieve plates are accordingly, and the vibration screen is at the vibration screen and the vibration screen, and the vibration screen.
The main functions realized by the utility model are as follows:
1. multiple stages of screening can be performed;
2. the sieve plate can be cleaned, the blocking of the sieve plate is avoided, and the sieving working efficiency is high;
3. the anti-blocking device has various cleaning modes and good anti-blocking effect.
The cement screening device has the advantages that the installation mode, the connection mode or the setting mode of the cement screening device are common mechanical modes, and the cement screening device can be implemented as long as the beneficial effects of the cement screening device can be achieved; the frame 1, the powder screening cylinder 2, the feeding pipe 3, the driving motor 4, the dryer 8, the valve 9, the gear motor 10, the gasket and the spring steel balls 17 of the cement screening device are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The cement screening device comprises a frame (1), a powder screening cylinder (2), a feeding pipe (3) and a driving motor (4), wherein the powder screening cylinder (2) is obliquely and rotatably arranged on the frame (1), the feeding pipe (3) is arranged on the frame (1), the output end of the feeding pipe (3) stretches into the powder screening cylinder (2), the driving motor (4) is arranged on the frame (1), and the driving motor (4) drives the powder screening cylinder (2) to rotate; the powder sieve is characterized by further comprising a discharging pipe (5), an air supply pipe (6) and a spray pipe (7), wherein a plurality of layers of sieve plates are concentrically arranged on the side wall of the powder sieve cylinder (2), sieve holes of the plurality of layers of sieve plates gradually decrease from inside to outside, a plurality of discharging pipes (5) are arranged on the frame (1), the plurality of discharging pipes (5) are respectively aligned with the lower ends of the plurality of layers of sieve plates, the air supply pipe (6) is arranged on the frame (1), the output end of the air supply pipe (6) stretches into the powder sieve cylinder (2), a plurality of spray pipes (7) are arranged at the output end of the air supply pipe (6), the plurality of spray pipes (7) face towards the sieve plate of the powder sieve cylinder (2), and the plurality of spray pipes (7) blow air to the plurality of layers of sieve plates to blow the sieve holes.
2. A cement screening plant according to claim 1, further comprising a dryer (8), the dryer (8) being mounted on the inlet end of the air feed pipe (6), the dryer (8) removing moisture from the air fed into the air feed pipe (6).
3. A cement screening plant according to claim 1 or 2, further comprising a valve (9) and a gear motor (10), wherein the valve (9) is mounted on the input end of the air feed pipe (6), a rotating opening and closing member is arranged in the valve (9), the gear motor (10) is mounted on the valve (9), and the output shaft of the gear motor (10) is in transmission connection with the rotating shaft of the opening and closing member.
4. A cement screening device according to claim 3, further comprising a plurality of supporting plates (11), a plurality of sliding rods (12) and a plurality of cover plates (13), wherein the plurality of supporting plates (11) are respectively arranged in the plurality of spray pipes (7), sliding holes are uniformly formed in the centers of the plurality of supporting plates (11), a plurality of ventilation holes are uniformly formed around the sliding holes of the plurality of supporting plates (11), the middle parts of the plurality of sliding rods (12) are respectively and slidably inserted into the sliding holes of the plurality of supporting plates (11), convex edges for limiting are respectively arranged at the lower ends of the plurality of sliding rods (12), cover plates (13) are respectively arranged at the upper ends of the plurality of sliding rods (12), the ventilation holes of the plurality of supporting plates (11) are covered by the plurality of cover plates (13), gaps for gas to pass through are formed between the plurality of cover plates (13) and the inner walls of the plurality of spray pipes (7), and the plurality of cover plates (13) impact the sieve plates of the powder sieve cylinder (2) under the action of air pressure.
5. A cement screening device according to claim 4, wherein gaskets for cushioning are provided between the plurality of cover plates (13) and the plurality of pallets (11).
6. The cement screening device according to claim 1, further comprising a plurality of shaft seats (14), a plurality of knocking rods (15) and a plurality of hammers (16), wherein the plurality of shaft seats (14) are respectively arranged on the multi-layer screen plate of the powder screen cylinder (2), one ends of the plurality of knocking rods (15) are respectively connected with the plurality of shaft seats (14) in a rotating mode, the hammers (16) are respectively arranged at the other ends of the plurality of knocking rods (15), and the plurality of hammers (16) knock the multi-layer screen plate along with the rotation of the powder screen cylinder (2).
7. A cement screening device according to claim 6, further comprising a plurality of spring steel balls (17), wherein the spring steel balls (17) are elastically mounted on the plurality of shaft seats (14), the plurality of spring steel balls (17) elastically limit the plurality of knocking rods (15) respectively, and the limiting effect of the plurality of spring steel balls (17) enables the plurality of hammers (16) to start knocking the sieve plate when the plurality of shaft seats (14) are close to the vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143234.9U CN220547239U (en) | 2023-08-10 | 2023-08-10 | Cement screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143234.9U CN220547239U (en) | 2023-08-10 | 2023-08-10 | Cement screening plant |
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| Publication Number | Publication Date |
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| CN220547239U true CN220547239U (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322143234.9U Active CN220547239U (en) | 2023-08-10 | 2023-08-10 | Cement screening plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117960342A (en) * | 2024-03-28 | 2024-05-03 | 江苏省徐州医药高等职业学校 | Continuous cutting and grinding integrated equipment for spina gleditsiae |
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2023
- 2023-08-10 CN CN202322143234.9U patent/CN220547239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117960342A (en) * | 2024-03-28 | 2024-05-03 | 江苏省徐州医药高等职业学校 | Continuous cutting and grinding integrated equipment for spina gleditsiae |
| CN117960342B (en) * | 2024-03-28 | 2024-05-28 | 江苏省徐州医药高等职业学校 | Continuous cutting and grinding integrated equipment for spina gleditsiae |
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