CN212731297U - Clean coal dewatering screen - Google Patents
Clean coal dewatering screen Download PDFInfo
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- CN212731297U CN212731297U CN202021163025.0U CN202021163025U CN212731297U CN 212731297 U CN212731297 U CN 212731297U CN 202021163025 U CN202021163025 U CN 202021163025U CN 212731297 U CN212731297 U CN 212731297U
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- clean coal
- screen
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- vibrating motor
- reel
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Abstract
The utility model relates to a clean coal dewatering screen belongs to dewatering screen technical field, and it includes the base, and the fixed reel that is provided with in base upper end is provided with two vibrating motor that drive the reel vibration on the reel, and the fixed screen cloth that is provided with in base upper end, screen cloth set up downwards along the feed direction slope of clean coal, the both sides wall and the reel fixed connection of screen cloth, vibrating motor's outside cover is equipped with the protecting crust, protecting crust and vibrating motor looks adaptation, and protecting crust and reel fixed connection, the utility model has the effect of the possibility that reduces the clean coal and splash and cause the damage to the motor in the motor that advances.
Description
Technical Field
The utility model belongs to the technical field of the technique of dewatering screen and specifically relates to a clean coal dewatering screen is related to.
Background
The raw coal is changed into high-quality coal suitable for special purposes after the technical processes of coal washing, gangue removal and the like in the coal, namely clean coal, most of water in the clean coal is removed through a dehydration process to obtain relatively dry clean coal, and then the dry process is carried out to obtain the completely dry clean coal. The clean coal dewatering screen is a vibration dewatering device, is usually applied to the dewatering process of clean coal due to large dewatering amount, and removes most of moisture in the clean coal by utilizing vibration to obtain dry clean coal.
The existing Chinese patent with reference publication number CN207649265U discloses a vibration dewatering screen, which comprises a screen box and a support member, wherein the screen box is supported by the support member, the support member has a shock absorption function, the screen box comprises a screen surface, a first side frame and a second side frame, the first side frame and the second side frame are oppositely arranged at two sides of the screen surface, a first cross beam is arranged between the first side frame and the second side frame, the first cross beam is fixedly connected with a first motor and a second motor, output shafts of the first motor and the second motor are respectively connected with an eccentric block, the first motor and the second motor synchronously rotate in opposite directions, the eccentric block forms two vibrators, the centrifugal forces generated by the two vibrators are superposed along the component force of the vibration direction, the opposite centrifugal forces are offset, so that the screen box does periodic reciprocating motion along the linear direction, the screen surface is provided with screen holes, the size of the screen holes is smaller than the size of a material, after fine coal containing moisture is conveyed to the screen holes, first motor and second motor drive the sieve case and vibrate to make the cleaned coal vibration on the screen cloth, get rid of the most moisture that contains in the cleaned coal, obtain comparatively dry cleaned coal, through above-mentioned technical scheme, solved the vibration dehydration inefficiency and the serious problem of material loss.
The above prior art solutions have the following drawbacks: when the first motor and the second motor drive the cleaned coal on the screen to vibrate, because some particles with lighter weight exist in the cleaned coal, the particles may splash to the first motor and the second motor due to vibration and enter the first motor and the second motor, damage is caused to the first motor and the second motor, and the service life of the first motor and the second motor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a clean coal dewatering screen, it has the effect that reduces the clean coal and splashes into and cause the possibility of damage in the motor.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a clean coal dewatering screen, includes the base, and the fixed reel that is provided with in base upper end is provided with two vibrating motors that drive the reel vibration on the reel, and the fixed screen cloth that is provided with in base upper end, screen cloth set up downwards along the feed direction slope of clean coal, the both sides wall and the reel fixed connection of screen cloth, vibrating motor's outside cover is equipped with the protecting crust, protecting crust and vibrating motor looks adaptation, and protecting crust and reel fixed connection.
By adopting the technical scheme, when clean coal containing moisture moves to the screen mesh, the vibrating motors are turned on, the two vibrating motors drive the screen frame to vibrate, thereby driving the screen to vibrate, leading the clean coal on the screen to vibrate, leading the moisture in the clean coal to flow away from the screen, removing most of the moisture in the clean coal and obtaining drier clean coal, because the screen is arranged obliquely downwards along the feeding direction of the clean coal, so that the clean coal on the screen moves in the direction away from the screen while vibrating to remove water and enters the next process, when clean coal with smaller mass splashes to the vibration motor due to vibration, the protective shell can prevent the clean coal from entering the vibration motor, thereby reducing the possibility of damage to the vibration motor, and because the protective shell is matched with the vibration motor, the possibility that the protective shell interferes with the vibration performance of the vibration motor can be reduced while the motor is protected.
The present invention may be further configured in a preferred embodiment as: the aperture size of the screen is 0.015-0.025 mm.
By adopting the technical scheme, the aperture size of the screen is 0.015-0.025mm which is smaller than the size of the clean coal, so that the possibility that the clean coal on the screen falls off from the screen due to vibration can be reduced, the possibility of loss of the clean coal is reduced, and the cost is reduced.
The present invention may be further configured in a preferred embodiment as: the top end of the protective shell is provided with a vent.
Through adopting above-mentioned technical scheme, because vibrating motor can produce the heat at the during operation, set up the vent on the protecting crust, can be so that the heat effluvium from the vent, the heat can not be stored in the protecting crust, has reduced vibrating motor because overheated and produce the possibility of damaging to set up the vent on the top, can reduce the clean coal and splash to vent department, follow the possibility that vent department got into vibrating motor.
The present invention may be further configured in a preferred embodiment as: and a filter screen is fixedly arranged on the ventilation opening.
Through adopting above-mentioned technical scheme, set up the filter screen on the vent, can play filterable effect to the air, outside air and the inside air of protecting crust when exchanging, the filter screen can reduce the dust among the outside air and get into the inside possibility of protecting crust to in reducing the dust and getting into vibrating motor, cause the possibility of damage to vibrating motor, the reduction clean coal that the filter screen can be further simultaneously splashes to vent department, from vent department's entering vibrating motor's possibility.
The present invention may be further configured in a preferred embodiment as: the protective shell is internally provided with two groups of mounting assemblies which are used for connecting the vibration motor with the protective shell, and the two groups of mounting assemblies are respectively arranged on two sides of the vibration motor.
Through adopting above-mentioned technical scheme, link to each other vibrating motor and protecting crust inside through the installation component, if need maintain or change vibrating motor, can directly take off vibrating motor, need not change the protecting crust simultaneously, improved the installation and pull down vibrating motor's convenience, prolonged the live time of protecting crust simultaneously, the cost is reduced.
The present invention may be further configured in a preferred embodiment as: the mounting assembly comprises two fixing plates, two springs and two extrusion plates, the two fixing plates are parallel to each other, one fixing plate is located above the other fixing plate, one side of each fixing plate is fixedly connected with the inner side wall of the protective shell, the two extrusion plates are horizontally arranged between the two fixing plates and fixedly connected with the two fixing plates through the springs, mounting blocks are fixedly arranged on two sides of the vibrating motor respectively, and the distance between the two extrusion plates is smaller than the height of the mounting blocks when the springs are in an original length state.
Through adopting above-mentioned technical scheme, when needs installation vibrating motor, insert vibrating motor's installation piece between two stripper plates, push vibrating motor in the protecting crust, because the distance between two stripper plates is less than the height of installation piece when the spring is in the primary state, therefore vibrating motor's installation piece gets into between two stripper plates, can extrude the spring on two stripper plates, and the spring is because the elastic restoring force of self, can tightly support the installation piece on the vibrating motor, thereby make vibrating motor and protecting crust relatively fixed, when needs take out vibrating motor, take out vibrating motor can, when making things convenient for dismouting vibrating motor, the fixed stability of vibrating motor has been improved, make vibrating motor can continuously keep vibrating screen's ability.
The present invention may be further configured in a preferred embodiment as: the extrusion plate is an elastic extrusion plate.
Through adopting above-mentioned technical scheme, when vibrating motor during operation, can produce great vibration, set up the stripper plate into the elastic extrusion board, can make the elastic extrusion board absorb some vibrating motor's vibration, play the effect of buffering to vibrating motor's vibration to play the effect of protection to vibrating motor.
The present invention may be further configured in a preferred embodiment as: the protective shell is made of transparent materials.
Through adopting above-mentioned technical scheme, set up the protecting crust into transparent material's protecting crust, can make operating personnel can observe vibrating motor's operating condition at any time, when appearing unusually, can in time stop vibrating motor, improved operating personnel's convenience of observing vibrating motor.
To sum up, the utility model discloses a beneficial technological effect does:
1. by sleeving the protective shell matched with the vibration motor on the outer side of the vibration motor, the effect of reducing the possibility of damage to the motor caused by the splashing of clean coal into the motor is achieved;
2. the ventilation opening is formed in the top end of the protective shell, so that the effect of reducing the possibility of damage of the vibration motor due to overheating is achieved;
3. be connected vibrating motor with the protecting crust through the installation component, reached the effect of dismouting vibrating motor's convenience.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic view of a structure intended to highlight the mounting assembly.
In the figure, 1, a base; 11. a water collection tank; 2. a screen frame; 21. a side frame; 22. a cross beam; 3. a vibration motor; 31. mounting blocks; 4. screening a screen; 5. a protective shell; 51. a vent; 6. a filter screen; 7. mounting the component; 71. a fixing plate; 72. a spring; 73. a pressing plate; 8. an elastic block; 9. and a locking member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a clean coal dewatering screen, including base 1, the fixed surface is provided with reel 2 on the base 1, and reel 2 upper end is fixed to be provided with two vibrating motor 3, and vibrating motor 3's below is provided with screen cloth 4, and screen cloth 4 sets up downwards along the feed direction slope of clean coal, and screen cloth 4's both sides wall and reel 2 fixed connection, and water catch bowl 11 has been seted up to the base upper surface, and water catch bowl 11 is located screen cloth 4's below.
When the cleaned coal that contains moisture moves to screen cloth 4 on, open two vibrating motor 3, two vibrating motor 3 drive reel 2 vibrations, thereby drive screen cloth 4 vibration, let the cleaned coal on the screen cloth 4 take place the vibration, make moisture in the cleaned coal fall to the catch basin 11 of screen cloth 4 below from screen cloth 4, most moisture in the cleaned coal is got rid of, because screen cloth 4 sets up downwards along the feed direction slope of cleaned coal, so cleaned coal on the screen cloth 4 vibrates on one side and gets into next process along screen cloth 4, obtain comparatively dry cleaned coal.
Referring to fig. 1, the screen frame 2 includes two side frames 21 and a cross beam 22, the two side frames 21 are vertically disposed opposite to each other, the cross beam 22 is disposed between the two side frames 21 and fixedly connected to the top ends of the two side frames 21, the cross beam 22 is disposed obliquely downward along the feeding direction, two sides of the screen 4 are respectively fixedly connected to one sides of the two side frames 21 opposite to each other, and the aperture size of the screen 4 is 0.015-0.025mm, which is smaller than that of the clean coal. Fixed being provided with elasticity piece 8 between the four corners department of two side frames 21 both sides and the base upper surface, when vibrating motor 3 during operation, elasticity piece 8 can play the cushioning effect between reel 2 and base 1, reduces base 1 and takes place the possibility of damaging because of long-term vibration.
Referring to fig. 1, a protective shell 5 is sleeved outside a vibration motor 3, the protective shell 5 is matched with the vibration motor 3 in shape, the bottom end of the protective shell 5 is fixedly connected with a cross beam 22, a vent 51 is arranged at the top end of the protective shell 5, heat can be dissipated from the vent 51 and can not be stored in the protective shell 5, the possibility of damage of the vibration motor 3 due to overheating is reduced, a filter screen 6 is fixedly arranged at the vent 51 through a bolt and can filter air, when external air is exchanged with air inside the protective shell 5, the filter screen 6 can reduce the possibility that dust in external air enters the protective shell 5, thereby reducing the possibility that dust enters the vibration motor 3 and damages the vibration motor 3, when the filter screen 6 needs to be replaced or the filter screen 6 needs to be cleaned, the bolt can be removed to detach the filter screen 6, the convenience of replacing or disassembling the filter screen 6 is improved.
Referring to fig. 2, a side wall of the protective shell 5 facing the clean coal discharging direction is hinged to the bottom end of the protective shell 5, the hinged shaft is perpendicular to the movement direction of the clean coal, two locking pieces 9 rotatably connected with the protective shell 5 are arranged above a side wall of the protective shell 5 facing the clean coal discharging direction, the rotating shaft is parallel to the movement direction of the clean coal, and the locking pieces 9 coincide with a side wall of the protective shell 5 facing the clean coal discharging direction around the movement track of the rotating shaft.
When needs take out or install vibrating motor 3, rotate retaining member 9 round the pivot, make retaining member 9 and 5 lateral wall separation towards clean coal ejection of compact direction of protecting sheathing, then protecting sheathing 5 rotates round the articulated shaft towards a lateral wall of clean coal ejection of compact direction, opens protecting sheathing 5, installs and takes out vibrating motor 3, has improved the convenience of taking vibrating motor 3.
Referring to fig. 2, mounting assemblies 7 are respectively arranged between two sides of the vibration motor 3 and the protective shell 5, each mounting assembly 7 includes two fixing plates 71, two springs 72 and two squeezing plates 73, the two fixing plates 71 are parallel to the bottom end of the protective shell 5, one fixing plate 71 is located right above the other fixing plate 71, the side edges of the two fixing plates 71 are fixedly connected with the inner wall of the protective shell 5, the two squeezing plates 73 are located between the two fixing plates 71, the two squeezing plates 73 are parallel to the two fixing plates 71, the two squeezing plates 73 are respectively fixedly connected with the two fixing plates 71 through the springs 72, the two squeezing plates 73 are elastic squeezing plates 73, mounting blocks 31 are respectively fixedly arranged on two sides of the bottom end of the vibration motor 3, and when the springs 72 are in an original length state, the distance between the two fixing plates 71 is smaller than the height of the.
When vibrating motor 3 is required to be installed, the installation block 31 of vibrating motor 3 is inserted between two extrusion plates 73, when installation block 31 of vibrating motor 3 enters between two extrusion plates 73, spring 72 on two extrusion plates 73 can be extruded, and spring 72 can tightly abut against installation block 31 on vibrating motor 3 due to self elastic restoring force, thereby enabling vibrating motor 3 and protective shell 5 to be relatively fixed, when vibrating motor 3 is required to be taken out, only vibration motor 3 can be taken out, when vibrating motor 3 is convenient to disassemble and assemble, the stability for fixing vibrating motor 3 is improved, and vibrating motor 3 can continuously keep the capacity of vibrating screen 4.
The implementation principle of the embodiment is as follows: when the clean coal containing moisture moves onto the screen 4, the two vibrating motors 3 are turned on, the two vibrating motors 3 drive the screen frame 2 to vibrate, so as to drive the screen 4 to vibrate, the clean coal on the screen 4 vibrates to remove moisture and enters the next process along the screen 4, the moisture in the clean coal falls into the water collecting tank 11 below the screen 4 from the screen 4, so as to remove most of the moisture in the clean coal, and obtain dry clean coal, when the motor needs to be taken out, the locking member 9 rotates around the rotating shaft to be separated from one side wall of the protective shell 5 facing the clean coal discharging direction, then the locking member rotates around the articulated shaft, one side wall of the protective shell 5 facing the clean coal discharging direction is opened, the vibrating motor 3 is drawn out from between the extrusion plates 73, the vibrating motor 3 is taken out, when the vibrating motor 3 needs to be installed, the installation block 31 of the vibrating motor 3 is inserted between the extrusion plates 73, thereby in pushing into protective housing 5 with vibrating motor 3, close protective housing 5 again towards a lateral wall of clean coal ejection of compact direction, lock with retaining member 9, improved the convenience of taking out and installing vibrating motor 3, establish protective housing 5 at vibrating motor 3's outside cover, can reduce the clean coal and splash into and cause the possibility of damage in the motor.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a clean coal dewatering screen, includes base (1), and base (1) upper end is fixed to be provided with reel (2), is provided with two vibrating motor (3) that drive reel (2) vibration on reel (2), and base (1) upper end is fixed to be provided with screen cloth (4), and screen cloth (4) set up downwards along the feed direction slope of clean coal, the both sides wall and reel (2) fixed connection of screen cloth (4), at its characterized in that: the outside cover of vibrating motor (3) is equipped with protecting crust (5), protecting crust (5) and vibrating motor (3) looks adaptation, and protecting crust (5) and reel (2) fixed connection.
2. A clean coal dewatering screen as claimed in claim 1, wherein: the aperture size of the screen (4) is 0.015-0.025 mm.
3. A clean coal dewatering screen as claimed in claim 1, wherein: the top end of the protective shell (5) is provided with a vent (51).
4. A clean coal dewatering screen according to claim 3, characterised in that: a filter screen (6) is fixedly arranged on the ventilation opening (51).
5. A clean coal dewatering screen as claimed in claim 1, wherein: the protective shell (5) is internally provided with two groups of mounting assemblies (7) which are used for connecting the vibration motor (3) with the protective shell (5), and the two groups of mounting assemblies (7) are respectively arranged on two sides of the vibration motor (3).
6. A clean coal dewatering screen according to claim 5, characterised in that: the mounting assembly (7) comprises two fixing plates (71), two springs (72) and two extrusion plates (73), the two fixing plates (71) are parallel to each other, one fixing plate (71) is located above the other fixing plate (71), one side of each fixing plate (71) is fixedly connected with the inner side wall of the protective shell (5), the two extrusion plates (73) are horizontally arranged between the two fixing plates (71) and fixedly connected with the two fixing plates (71) through the springs (72), mounting blocks (31) are fixedly arranged on two sides of the vibration motor (3) respectively, and the distance between the two extrusion plates (73) is smaller than the height of the mounting blocks (31) when the springs (72) are in an original length state.
7. A clean coal dewatering screen according to claim 6, characterised in that: the extrusion plate (73) is an elastic extrusion plate (73).
8. A clean coal dewatering screen as claimed in claim 1, wherein: the protective shell (5) is made of transparent materials (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163025.0U CN212731297U (en) | 2020-06-20 | 2020-06-20 | Clean coal dewatering screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163025.0U CN212731297U (en) | 2020-06-20 | 2020-06-20 | Clean coal dewatering screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212731297U true CN212731297U (en) | 2021-03-19 |
Family
ID=75009942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021163025.0U Active CN212731297U (en) | 2020-06-20 | 2020-06-20 | Clean coal dewatering screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212731297U (en) |
-
2020
- 2020-06-20 CN CN202021163025.0U patent/CN212731297U/en active Active
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