CN220723926U - Coal slime segregation dewatering screen - Google Patents

Abstract

The utility model discloses a coal slime segregation dewatering screen, which belongs to the technical field of dewatering screens and comprises a base and a polyurethane screen plate, wherein a water tank is fixedly connected to the top of the base, two vertical plates arranged front and back are fixedly connected to the top of the water tank, and a vibration mechanism is arranged at the bottom of the polyurethane screen plate. The beneficial effects are that: the polyurethane sieve plate is fixedly arranged at the top of the supporting frame, the supporting frame is rotationally connected between the two vertical plates through the rotating shaft, a cam is arranged below one end, away from the rotating shaft, of the supporting frame, the supporting frame and the polyurethane sieve plate are driven to vibrate up and down through the cam, because the polyurethane sieve plate rotates around the rotating shaft, the angular velocities of different positions of the polyurethane sieve plate are the same, the radius is increased along with the increasing of the distance from the feeding pipe, the linear velocity is also gradually increased, so that the centrifugal force of water in the coal slime during vibration dehydration is increased along with the increasing of the distance from the feeding pipe, and the water in the coal slime away from the feeding pipe is promoted to be separated.

Description

Coal slime segregation dewatering screen

Technical Field

The utility model relates to the technical field of dewatering screens, in particular to a coal slime segregation dewatering screen.

Background

The dewatering screen for separating out water from coal slime consists of screen, vibrating mechanism, feeding unit, discharging unit, support unit, etc. The working principle of the coal slime segregation dewatering screen is that the vibrating force generated by the vibrating mechanism causes the coal slime to generate tiny vibration on the screen mesh, so that moisture is discharged through the holes of the screen mesh, and solid particles are reserved on the screen mesh, thus realizing dewatering treatment of the coal slime.

The retrieved China patent publication No. CN217988555U discloses a coal slime segregation dewatering screen, which is provided with a support frame consisting of an upper group of support bodies and a lower group of support bodies, and the distance between the two groups of support body supports is conveniently adjusted according to the coal slime screening needs under the assistance of a rotating shaft and a hydraulic column, so that the height of the screen box at one side close to an inclined plate outlet is adjusted up and down, and the coal slime segregation screening is more fine; moreover, the device is through being equipped with the supplementary beam slab of fan and go up wind gap joint operation, provides the air current for the wind gap by the fan, utilizes aviation baffle guide air current propelling movement to on the polyurethane sieve, utilizes wind pressure structure vibrations for the coal slime reclaimed water breaks away from fast, uses through being equipped with spout and slider supplementary beam slab, is convenient for according to coal slime screening amount, adjusts the clearance between beam slab and the polyurethane sieve.

However, the whole vibration amplitude of the existing dewatering screen is consistent, but most of water in the coal slime far away from the feed inlet is removed, so that the water is less and less, residual water in the coal slime is difficult to shake out by virtue of the original vibration amplitude, and the dewatering has a certain limitation.

Disclosure of Invention

The utility model aims to solve the problems and provide a coal slime segregation dewatering screen.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a coal slime segregation dewatering screen, includes base and polyurethane sieve, the top fixedly connected with water tank of base, the riser that sets up around the top fixedly connected with of water tank, the top fixedly connected with guard plate of riser, be provided with the material loading pipe in the guard plate, the bottom of polyurethane sieve is provided with vibration mechanism, vibration mechanism includes fixedly connected with the carriage of polyurethane sieve bottom, fixedly connected with a plurality of spliced poles in the carriage, the carriage is close to one side of material loading pipe articulates two through the axis of rotation between the riser, be provided with in the water tank and be located the carriage is kept away from the cam of axis of rotation one end bottom, vibration mechanism is still including being used for driving cam pivoted power component.

Preferably, the power assembly comprises a stepping motor fixedly connected to one side of the water tank, a driving gear is fixedly connected to the output end of the stepping motor, a rotating shaft is rotatably connected to the inner wall of one side of the water tank away from the feeding pipe, one end of the rotating shaft extends out of the water tank and is fixedly connected with a driven gear meshed with the driving gear, and the other end of the rotating shaft is fixedly connected with a cam located below the connecting column farthest from the feeding pipe.

Preferably, the top of the connecting column is provided with a water outlet.

Preferably, one side of the supporting frame away from the feeding pipe is fixedly connected with a material guide plate which is obliquely arranged, and a spring is connected between the material guide plate and the top of the water tank.

Preferably, a filter plate which can be pulled out is connected between the front inner wall and the rear inner wall of the water tank in a sliding way.

Preferably, the front and rear vertical plates are fixedly connected with a baffle at one end, close to the feeding pipe, of each vertical plate.

The beneficial effects are that: the polyurethane sieve plate is fixedly arranged at the top of the supporting frame, the supporting frame is rotationally connected between the two vertical plates through the rotating shaft, a cam is arranged below one end, away from the rotating shaft, of the supporting frame, the supporting frame and the polyurethane sieve plate are driven to vibrate up and down through the cam, because the polyurethane sieve plate rotates around the rotating shaft, the angular velocities of different positions of the polyurethane sieve plate are the same, the radius is increased along with the increasing of the distance from the feeding pipe, the linear velocity is also gradually increased, so that the centrifugal force of water is increased along with the increasing of the distance from the feeding pipe when the coal slime is vibrated to dehydrate, and the water in the coal slime, away from the feeding pipe, is promoted to be separated.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view of a coal slurry segregation dewatering screen according to the present utility model;

FIG. 2 is a front view showing the internal structure of a coal slime separation dewatering screen according to the present utility model;

FIG. 3 is a right side view showing the internal structure of a coal slime separation dewatering screen according to the present utility model;

FIG. 4 is a left side view of a water tank of a coal slurry segregation dewatering screen according to the present utility model;

fig. 5 is a top view of a support frame of a coal slurry segregation dewatering screen according to the present utility model.

The reference numerals are explained as follows: 1. a base; 2. a water tank; 201. a filter plate; 3. a riser; 301. a baffle; 302. a protection plate; 4. a vibration mechanism; 401. a rotating shaft; 402. a support frame; 403. a connecting column; 404. a stepping motor; 405. a drive gear; 406. a rotation shaft; 407. a driven gear; 408. a cam; 409. a material guide plate; 410. a spring; 5. polyurethane sieve plates; 6. and feeding pipes.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model is further described below with reference to the accompanying drawings:

1-5, a coal slime segregation dewatering screen comprises a base 1, wherein a water tank 2 is connected to the top of the base 1 through bolts, a filter plate 201 which is convenient for recovering finer coal slime remained in water is connected between the front inner wall and the rear inner wall of the water tank 2 in a sliding manner, a filter screen is arranged in the middle of the filter plate 201, and one end of the filter plate 201 extends out of the water tank 2 and is welded with a handle;

the top of the water tank 2 is connected with two vertical plates 3 which are arranged front and back through bolts, a baffle 301 is connected between the front vertical plate 3 and the rear vertical plate 3 through bolts, a protection plate 302 is connected to the top of the vertical plate 3 through bolts, water splashing caused by vibration is avoided, one ends of the two vertical plates 3 are sealed through the baffle 301 and the protection plate 302, and a feeding pipe 6 close to one side of the baffle 301 is arranged in the protection plate 302;

a polyurethane screen plate 5 is arranged between the two vertical plates 3, a vibration mechanism 4 is arranged at the bottom of the polyurethane screen plate 5, the vibration mechanism 4 comprises a supporting frame 402 fixedly connected to the bottom of the polyurethane screen plate 5, the supporting frame 402 is connected between the two vertical plates 3 in a sliding manner, a square through hole smaller than the size of the opening end of the top of the water tank 2 is formed in the middle of the supporting frame 402, a plurality of mutually staggered connecting columns 403 are fixedly connected in the square through hole, water outlets are formed in the tops of the connecting columns 403, one end, close to the feeding pipe 6, of the supporting frame 402 is hinged between the two vertical plates 3 through a rotating shaft 401, a cam 408 positioned at the bottom of one end, far from the rotating shaft 401, of the supporting frame 402 is arranged in the water tank 2, a guide plate 409 which is obliquely arranged is fixedly connected to one side, far from the feeding pipe 6, of the supporting frame 402 is connected with a spring 410 between the guide plate 409 and the top of the water tank 2, and the vibration mechanism 4 further comprises a power component used for driving the cam 408 to rotate;

the power component comprises a stepping motor 404 which is connected to one side of the water tank 2 through a bolt, a driving gear 405 is fixedly connected to the output end of the stepping motor 404, a rotating shaft 406 is rotatably connected to the inner wall of one side, far away from the feeding pipe 6, of the water tank 2, one end of the rotating shaft 406 extends out of the water tank 2 and is fixedly connected with a driven gear 407 meshed with the driving gear 405, the other end of the rotating shaft 406 is fixedly connected with a cam 408 positioned below a connecting column 403 farthest from the feeding pipe 6, the stepping motor 404 is started, the stepping motor 404 drives the driving gear 405 to rotate, and the driving gear 405 is meshed with the driven gear 407 to drive the rotating shaft 406 to rotate, and the rotating shaft 406 drives the cam 408 to rotate.

Working principle: in the utility model, coal slime with a large amount of water falls onto a polyurethane sieve plate 5 through a feeding pipe 6, a stepping motor 404 is started, the stepping motor 404 drives a driving gear 405 to rotate, the driving gear 405 is meshed with a driven gear 407 to drive the driven gear 407 to drive a rotating shaft 406 to rotate, the rotating shaft 406 drives a cam 408 to rotate, when the tip of the cam 408 rotates to the upper side, a supporting frame 402 is driven to drive one end of the polyurethane sieve plate 5 to move, when the tip of the cam 408 rotates away, the supporting frame 402 and the polyurethane sieve plate 5 reversely move under the action of the elastic force of a spring 410, and thus the supporting frame 402 drives the polyurethane sieve plate 5 to vibrate back and forth around the rotating shaft 401, and because the polyurethane sieve plate 5 rotates around the rotating shaft 401, the angular speeds of different positions of the polyurethane sieve plate 5 are the same, as the distance from the feeding pipe 6 is increased, the radius is increased, the linear speed is also gradually increased, and the centrifugal force of the water in the coal slime during vibration dehydration is increased along with the increase of the distance away from the feeding pipe 6, so that the water in the coal slime is promoted to be separated from the water in the coal slime away from the feeding pipe 6.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a coal slime segregation dewatering screen, includes base (1) and polyurethane sieve (5), the top fixedly connected with water tank (2) of base (1), riser (3) that set up around the top fixedly connected with of water tank (2), the top fixedly connected with guard plate (302) of riser (3), be provided with material loading pipe (6) in guard plate (302), its characterized in that: the bottom of polyurethane sieve (5) is provided with vibration mechanism (4), vibration mechanism (4) are in including fixed connection supporting frame (402) of polyurethane sieve (5) bottom, fixedly connected with a plurality of spliced poles (403) in supporting frame (402), supporting frame (402) are close to one side of material loading pipe (6) articulates two through axis of rotation (401) between riser (3), be provided with in water tank (2) and be located supporting frame (402) are kept away from cam (408) of axis of rotation (401) one end bottom, vibration mechanism (4) are still including being used for the drive cam (408) pivoted power component.

2. A coal slurry segregating dewatering screen according to claim 1, wherein: the power component comprises a stepping motor (404) fixedly connected to one side of the water tank (2), a driving gear (405) is fixedly connected to the output end of the stepping motor (404), a rotating shaft (406) is rotatably connected to the inner wall of one side of the water tank (2) away from the feeding pipe (6), one end of the rotating shaft (406) extends out of the water tank (2) and is fixedly connected with a driven gear (407) meshed with the driving gear (405), and the other end of the rotating shaft (406) is fixedly connected with a cam (408) below a connecting column (403) farthest from the feeding pipe (6).

3. A coal slurry segregating dewatering screen according to claim 1, wherein: and water outlets are formed in the tops of the connecting columns (403).

4. A coal slurry segregating dewatering screen according to claim 1, wherein: one side of the supporting frame (402) far away from the feeding pipe (6) is fixedly connected with a material guide plate (409) which is obliquely arranged, and a spring (410) is connected between the material guide plate (409) and the top of the water tank (2).

5. A coal slurry segregating dewatering screen according to claim 1, wherein: the filter plate (201) which can be pulled out is connected between the front inner wall and the rear inner wall of the water tank (2) in a sliding way.

6. A coal slurry segregating dewatering screen according to claim 1, wherein: the front and rear vertical plates (3) are fixedly connected with a baffle plate (301) at one end close to the feeding pipe (6).