CN217154741U - Vibrating centrifugal dehydrator - Google Patents

Abstract

The utility model discloses a vibrating centrifugal dehydrator, the on-line screen storage device comprises a base, be provided with driving motor on the base, key connection has driving pulley on driving motor's the output shaft, driving motor's rear side is provided with the differential transmission case, the tip key-type connection of the main shaft in the differential transmission case has driven pulley, driven pulley with driving pulley passes through belt drive and connects, both sides all are fixed with vibrating motor around the differential transmission case. The filter water tank is arranged at the bottom of the machine shell to recover large-particle coal slime, so that the workload of subsequent flotation and filter pressing is reduced, the production cost is reduced, and the machine shell is connected to the bottom of the machine shell in a sliding manner, so that the machine shell is convenient to disassemble and assemble, and the collected coal slime can be treated and a filter plate can be maintained; the material blocking ring is arranged to block small-particle coal slime from entering a drain pipe and waste water from entering a blanking pipe, so that the post-treatment cost is reduced; in addition, rubber springs are arranged at a plurality of positions, so that the device can vibrate stably and simultaneously reduce noise.

Description

Vibrating centrifugal dehydrator

Technical Field

The utility model relates to a coal slime thick liquid dehydration sorting facilities technical field specifically is a vibrating centrifugal dehydrator.

Background

In the process flow of the coal preparation plant, the treatment of the coal slime slurry is an extremely important link, the separation efficiency, the quality of the separated products, the coal slime loss and the environmental pollution caused by the discharge of waste water and the like of the coal preparation plant have great relation with the separation treatment process, equipment and the like, and the horizontal centrifugal dehydrator is mostly adopted in the coal washing work at present.

Coal slime particles (coarse coal slime particles are 0.5-1 mm, fine coal slime particles are 0-0.5 mm) are contained in the coal washing wastewater, the conventional horizontal centrifugal dehydrator cannot carry out primary treatment on the coal washing wastewater, and the subsequent flotation and filter pressing work treatment cost is high; and present centrifugal dehydrator's fender ring is that the inner and outer lane all with the endocentric ring of dehydration storehouse, and moisture is very easily got rid of through the contained angle between fender ring inner circle and the basket lateral surface and is flowed to the material district, and some small granule coal cinder is easy through door bullet to the lateral wall that keeps off the ring, drops to the basket lateral surface after the striking and fall into the waste water district through and keep off the gap between the ring, has influenced dehydration effect, increases subsequent processing cost.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a vibrating centrifugal dehydrator, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vibrating centrifugal dehydrator comprises a base, wherein a driving motor is arranged on the base, a driving belt wheel is connected with an output shaft of the driving motor in a key mode, a differential transmission case is arranged on the rear side of the driving motor, a driven belt wheel is connected with an end key of a main shaft in the differential transmission case in a key mode, the driven belt wheel is connected with the driving belt wheel through a belt in a transmission mode, and oscillating motors are fixed on the front side and the rear side of the differential transmission case; one side of the differential transmission case is connected with a casing through a bearing seat, the casing is erected on the base through a bracket, an outer shaft of the differential transmission case extends into the casing and is fixedly provided with a screen basket through a screen basket rotating hub, an inner shaft of the differential transmission case extends into the screen basket and is fixedly provided with a cutter body, one side of the cutter body is fixedly provided with a spiral blade, a material blocking ring is fixed on the inner wall of the casing close to an opening of the screen basket, the left end of the casing is hinged with a sealing door, a discharging pipe is arranged at the bottom of the casing close to the sealing door, and a water discharging pipe is arranged at the bottom of the casing at the position of the right side of the material blocking ring; a filter water tank is arranged below the drain pipe, first clamping strips are fixed on two sides of the filter water tank, second clamping strips matched with the first clamping strips are fixed at the bottom of the machine shell, a filter plate is placed in the filter water tank, sieve holes are formed in the filter plate, and a connecting pipe is fixed at the bottom of the filter water tank; a feeding pipe is fixed in the sealing door; rubber springs are fixed between the casing and the support, between the differential transmission case and the base and between the driving motor and the base.

Furthermore, two connecting plates are symmetrically arranged on the outer axial surface of the machine shell and used for installing the rubber spring to connect the machine shell and the support.

Further, the outer shaft and the inner shaft are concentric, the rotating speed of the outer shaft is higher than that of the inner shaft, the rotating speed of the cutter body is lower than that of the screen basket, and the spiral blade can timely scrape materials on the inner wall of the screen basket.

Furthermore, the spiral blades are uniformly distributed on the cutter body in a surrounding mode, the spiral blades are arranged at intervals along the inner screening surface of the screen basket, the speed of scraping materials by the spiral blades can be increased, and the materials are timely conveyed to the discharging pipe.

Furthermore, an included angle of 45-60 degrees is formed between the left side face of the material blocking ring and the inner wall of the machine shell, and materials rebounded from the sealing door are made to rebound after contacting with the inclined face of the material blocking ring and fall into the discharging pipe.

Further, the bottom surface of the material blocking ring is parallel to a bus of the cross section of the screen basket, so that the waste water thrown out of the screen basket is prevented from leaking into the blanking pipe through a gap between the inner walls of the shell.

Furthermore, it passes through to filter water tank first card strip with second card strip sliding connection in the bottom of casing, so set up and make it is convenient for the dismouting to filter water tank.

Furthermore, the filter plate is placed on a clamping block on the inner wall of the filter water tank, and the filter plate is movably connected in such a way so as to be convenient to replace and maintain; the internal diameter of sieve mesh is 0.5mm for retrieve large granule coarse coal mud, alleviate the work load of flotation and filter-pressing, reduce treatment cost.

Compared with the prior art, the beneficial effects of the utility model are that: the filter water tank is arranged at the bottom of the shell to recover large-particle coal slime in the wastewater and coal materials falling into the drain pipe through gaps, so that the workload of subsequent flotation and filter pressing is reduced, the production cost is reduced, and the shell is connected to the bottom of the shell in a sliding manner, so that the shell is convenient to disassemble and assemble, and the collected coal slime is treated and the filter plate is maintained; the material blocking ring is arranged to block small-particle coal slime from entering a drain pipe and waste water from entering a blanking pipe, so that the post-treatment cost is reduced; in addition, rubber springs are arranged at a plurality of positions, so that the device can vibrate stably and simultaneously reduce the noise generated during the working process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the scope of the invention (for convenience of description and understanding, the description is given below with the top of fig. 3 being taken as top).

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing;

FIG. 3 is a front view of the present invention;

fig. 4 is a left side view of the present invention;

FIG. 5 is an enlarged view of FIG. 2A;

FIG. 6 is an enlarged view of FIG. 2B;

fig. 7 is a schematic structural view of the filtering water tank.

In the figure: 1. a base; 11. a support leg; 12. a support; 2. a drive motor; 21. a driving pulley; 3. a differential gear box; 4. a main shaft; 41. a driven pulley; 42. a belt; 5. an oscillating motor; 6. a housing; 61. an outer shaft; 62. an inner shaft; 63. a screen basket; 64. a cutter body; 641. a helical blade; 65. a material blocking ring; 66. a discharging pipe; 67. a drain pipe; 68. a sealing door; 69. a connecting plate; 7. a feed pipe; 8. a filtering water tank; 81. a filter plate; 811. screening holes; 82. a first clip strip; 83. a second card strip; 84. a connecting pipe; 9. a rubber spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a vibrating centrifugal dehydrator comprises a base 1, wherein a driving motor 2 is arranged on the base 1, a driving belt wheel 21 is in key connection with an output shaft of the driving motor 2, a differential transmission case 3 is arranged on the rear side of the driving motor 2, a driven belt wheel 41 is in key connection with the end part of a main shaft 4 in the differential transmission case 3, the driven belt wheel 41 is in transmission connection with the driving belt wheel 21 through a belt 42, oscillating motors 5 are fixed on the front side and the rear side of the differential transmission case 3, a device is driven to vibrate through the two oscillating motors 5 which work independently, the exciting force is large, and the vibration effect is improved; one side of the differential transmission case 3 is connected with a casing 6 through a bearing seat, the casing 6 is erected on the base 1 through a support 12, an outer shaft 61 of the differential transmission case 3 extends into the casing 6 and is fixed with a sieve basket 63 through a sieve basket 63 rotating hub, an inner shaft 62 of the differential transmission case 3 extends into the sieve basket 63 and is fixed with a cutter body 64, one side of the cutter body 64 is fixed with a spiral blade 641 for scraping materials adhered to the inner side surface of the sieve basket 63, a material blocking ring 65 is fixed on the inner wall of the casing 6 close to an opening of the sieve basket 63, a sealing door 68 is hinged at the left end of the casing 6 for facilitating opening and maintaining internal parts, a discharging pipe 66 is arranged at the bottom of the casing 6 close to the sealing door 68, and a water discharging pipe 67 is arranged at the position of the bottom of the casing 6, which is positioned at the right side of the material blocking ring 65; a filtering water tank 8 is arranged below the water discharge pipe 67, first clamping strips 82 are fixed on two sides of the filtering water tank 8, second clamping strips 83 matched with the first clamping strips 82 are fixed at the bottom of the casing 6 to enable the filtering water tank 8 to be convenient to disassemble and assemble, a filtering plate 81 is placed inside the filtering water tank 8, a sieve mesh 811 is arranged on the filtering plate 81, and a connecting pipe 84 is fixed at the bottom of the filtering water tank 8 and used for being connected with external water storage equipment; a feeding pipe 7 is fixed in the sealing door 68; rubber springs 9 are fixed between the machine shell 6 and the support 12, between the differential transmission case 3 and the base 1, and between the driving motor 2 and the base 1 for damping and reducing noise of the device, two connecting plates 69 are symmetrically arranged on the outer shaft 61 surface of the machine shell 6 for mounting the rubber springs 9 to connect the machine shell 6 and the support 12, the outer shaft 61 and the inner shaft 62 are concentric, the rotating speed of the outer shaft 61 is higher than that of the inner shaft 62, so that the rotating speed of the cutter body 64 is lower than that of the sieve basket 63, the spiral blades 641 can scrape materials on the inner wall of the sieve basket 63 in time, the spiral blades 641 are uniformly distributed on the cutter body 64 in a surrounding manner, the spiral blades 641 are distributed at intervals along the inner sieve surface of the sieve basket 63, the arrangement can improve the scraping speed of the spiral blades 641, and timely convey the materials to the blanking pipe 66, and an included angle of 45-60 degrees is formed between the left side surface of the material retaining ring 65 and the inner wall of the machine shell 6, the arrangement is that materials rebounded from the sealing door 68 contact the inclined plane of the material blocking ring 65 and then rebound and fall into the blanking pipe 66, the bottom surface of the material blocking ring 65 is arranged in parallel with the bus of the cross section of the screen basket 63, the arrangement is that waste water thrown out of the screen basket 63 is prevented from leaking into the blanking pipe 66 through a gap between the waste water and the inner wall of the machine shell 6, the filter water tank 8 is connected to the bottom of the machine shell 6 in a sliding mode through the first clamping strip 82 and the second clamping strip 83, the arrangement is convenient for dismounting the filter water tank 8, the filter plate 81 is placed on the clamping block on the inner wall of the filter water tank 8, and the arrangement is that the filter plate 81 is movably connected so as to be convenient for replacement and maintenance; the inside diameter of sieve mesh 811 is 0.5mm for retrieve large granule coarse coal mud, alleviate the work load of flotation and filter-pressing, reduce treatment cost.

When the coal dewatering machine is used, coal to be dewatered is thrown into the machine shell 6 through the feeding pipe 7, the driving motor 2 is started to drive the main shaft 4 to rotate through the belt 42, the outer shaft 61 and the inner shaft 62 are driven to rotate through the differential transmission case 3, the two oscillating motors 5 are started to work simultaneously, the oscillating motors 5 drive the machine shell 6 to perform reciprocating vibration along the axial direction of the main shaft 4 through the differential transmission case 3, at the moment, the material falls into the small end on the right side of the screen basket 63, the screen basket 63 rotates around the axial line of the main shaft 4 and performs reciprocating vibration along the axial line of the main shaft 4, under the centrifugal force and the stirring action of the spiral blade 641, the material is uniformly distributed on the inner surface of the screen basket 63, under the action of gravity, the material moves from the small end on the right side of the screen basket 63 to the large end on the left side, in the process, moisture on the material is thrown out through gaps of the screen basket 63, the thrown out water is finally discharged through the water discharging pipe 67, and simultaneously along with the factors of the increase of the material and the self gravity of the material, is squeezed through the gap between the screen basket 63 and the spiral blade 641 into the blanking pipe 66; the material that rebounds from sealing door 68 department rebounds after contacting the inclined plane of material retaining ring 65 and falls into in the unloading pipe 66, the waste water that throws away from in the basket 63 collides the inner wall of casing 6 and the right side wall of material retaining ring 65, finally flow to arrange to in the filter tank 8 in the unloading pipe 66, communicate outside retaining equipment and connecting pipe 84, waste water filters through filter plate 81, the coarse coal slime of large granule is filtered out, the cost of follow-up flotation of greatly reduced and filter-pressing, then accomplish the coal washing work so far, and sliding connection's filter tank 8 and swing joint's filter plate 81 makes the coal slime of collecting in time handle.

It should be noted that the input terminals of the driving motor 2 and the oscillating motor 5 disclosed in this embodiment are electrically connected to the output terminal of the external circuit, and the driving motor 2 and the oscillating motor 5 are controlled by the external control switch set.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A vibrating centrifugal dehydrator is characterized in that: the vibration-damping device comprises a base (1), wherein a driving motor (2) is arranged on the base (1), an output shaft of the driving motor (2) is in keyed connection with a driving belt wheel (21), a differential transmission case (3) is arranged on the rear side of the driving motor (2), the end part of a main shaft (4) in the differential transmission case (3) is in keyed connection with a driven belt wheel (41), the driven belt wheel (41) is in transmission connection with the driving belt wheel (21) through a belt (42), and an oscillating motor (5) is fixed on each of the front side and the rear side of the differential transmission case (3); one side of the differential transmission case (3) is connected with a shell (6) through a bearing seat, the shell (6) is arranged on the base (1) through a bracket (12), an outer shaft (61) of the differential transmission case (3) extends into the machine shell (6) and is fixed with a screen basket (63) through a screen basket (63) rotating hub, an inner shaft (62) of the differential transmission case (3) extends into the screen basket (63) and is fixed with a cutter body (64), a spiral blade (641) is fixed on one side of the cutter body (64), a material blocking ring (65) is fixed on the inner wall of the machine shell (6) close to the opening of the screen basket (63), the left end of the machine shell (6) is hinged with a sealing door (68), the bottom of the machine shell (6) close to the sealing door (68) is provided with a discharging pipe (66), a drain pipe (67) is arranged at the bottom of the machine shell (6) and at the position of the right side of the material blocking ring (65); a filtering water tank (8) is arranged below the drain pipe (67), first clamping strips (82) are fixed on two sides of the filtering water tank (8), second clamping strips (83) matched with the first clamping strips (82) are fixed at the bottom of the casing (6), a filtering plate (81) is placed inside the filtering water tank (8), sieve holes (811) are formed in the filtering plate (81), and a connecting pipe (84) is fixed at the bottom of the filtering water tank (8); a feeding pipe (7) is fixed in the sealing door (68); rubber springs (9) are fixed between the shell (6) and the support (12), between the differential transmission case (3) and the base (1) and between the driving motor (2) and the base (1).

2. A vibratory centrifugal dehydrator according to claim 1, wherein: two connecting plates (69) are symmetrically arranged on the surface of an outer shaft (61) of the machine shell (6).

3. A vibratory centrifugal dehydrator according to claim 1, wherein: the outer shaft (61) is concentric with the inner shaft (62), and the outer shaft (61) has a higher rotational speed than the inner shaft (62).

4. A vibratory centrifugal dehydrator according to claim 1, wherein: the spiral blades (641) are uniformly distributed on the cutter body (64) in a surrounding mode, and the spiral blades (641) are arranged at intervals along the inner screening surface of the screen basket (63).

5. A vibratory centrifugal dehydrator according to claim 1, wherein: an included angle of 45-60 degrees is formed between the left side face of the material blocking ring (65) and the inner wall of the machine shell (6).

6. A vibratory centrifugal dehydrator according to claim 1, wherein: the bottom surface of the material blocking ring (65) is parallel to a generatrix of the cross section of the screen basket (63).

7. A vibratory centrifugal dehydrator according to claim 1, wherein: the filtering water tank (8) is connected to the bottom of the machine shell (6) in a sliding mode through the first clamping strip (82) and the second clamping strip (83).

8. A vibratory centrifugal dehydrator according to claim 1, wherein: the filter plate (81) is placed on a clamping block on the inner wall of the filter water tank (8), and the inner diameter of each sieve pore (811) is 0.5 mm.

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