CN218238072U

CN218238072U - Coal dressing dehydrator

Info

Publication number: CN218238072U
Application number: CN202222295791.8U
Authority: CN
Inventors: 乔卫峰
Original assignee: Shanxi Baijixing Energy Technology Co ltd
Current assignee: Shanxi Baijixing Energy Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-06
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a coal dressing hydroextractor involves coal dressing dewatering equipment technical field, including the collection liquid shell, on the collection liquid shell fixed connection's top cap with fixed connection's swirler on the top cap, the swirler with collection liquid shell intercommunication. The utility model discloses in-process of dehydrating the material, starter motor, the drive cam rotates, setting through the go-between, under the cooperation of spring, it shakes to drive the basket, along with the vibrations of basket, under first telescopic tube and second telescopic tube's cooperation, guarantee that filtrating can only follow the filtration pore derivation of crossing on the basket, improve the practicality, simultaneously along with the vibrations of basket, make the material that filters downthehole on attaching to the basket receive vibrations and drop, under the effect of gravity, derive through the output tube, realize the clearance of filtration pore to filtering on the basket, and then guarantee the dehydration effect to follow-up material, be convenient for continuously carry out dehydration to the material, improve the practicality.

Description

Coal dressing dehydrator

Technical Field

The utility model relates to a coal dressing dewatering equipment technical field, in particular to coal dressing hydroextractor.

Background

The coarse coal slime in a coal muddy water system in a power coal preparation plant has large amount and must be cut coarse through a hydraulic classification cyclone before entering a thickener for sedimentation treatment. The main current process is that after the hydraulic classification cyclone is used for cutting off coarse particles, coarse particle underflow enters an arc screen for pre-dehydration and then enters a centrifuge for dehydration, but the existing coal dressing dehydration device still has some problems.

For example, chinese patent publication No. CN215784058U discloses a hydraulic classification swirler tailing self-dehydration device, belongs to coal dressing dewatering equipment technical field, including album liquid shell, basket, top cap flange and filtrate pipe, be equipped with album liquid shell top flange and collection liquid shell bottom flange on the upper and lower both ends of album liquid shell, the basket sets up the inside at album liquid shell, the basket is the toper setting and the inside of basket is equipped with a plurality of screen cut to be equipped with basket top flange and basket bottom flange on the upper and lower both ends of basket respectively, the top cap flange sets up on the top of album liquid shell top flange, the filtrate pipe runs through the top that sets up on album liquid shell and be close to album liquid shell bottom flange, the swirler is installed on the top of top cap flange, the utility model discloses simple structure, convenient to use utilizes the remaining centrifugal force of swirler bottom flow mouth to dewater the material to can improve the efficiency of material dehydration effectively, has simplified the flow of material dehydration, reduces the dehydration cost.

Above-mentioned hydraulic classification swirler tailing of coal dressing dehydration usefulness is from dewatering device has solved the problem that current structure dehydration is inefficient, nevertheless, adopts infundibulate basket to filter the coal dressing, uses for a long time and easily causes the jam, filters the dehydration effect and descends, and the practicality is lower, consequently, this application provides a coal dressing hydroextractor satisfies the demand.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a coal dressing hydroextractor can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a coal dressing dehydrator comprises a liquid collecting shell, a top cover fixedly connected to the liquid collecting shell and a swirler fixedly connected to the top cover, wherein the swirler is communicated with the liquid collecting shell, a screen basket is arranged in the liquid collecting shell, and an auxiliary filtering unit for auxiliary filtering is arranged in the liquid collecting shell;

the auxiliary filtering unit comprises a first telescopic pipe arranged at the top end of the screen basket, one end of the first telescopic pipe is fixedly connected with the top cover, a second telescopic pipe is sleeved at the bottom end of the screen basket, one end of the second telescopic pipe is fixedly connected with the low end of the liquid collecting shell, an output pipe is arranged at the low end of the screen basket, the low end of the liquid collecting shell is fixedly connected with a base, the output pipe is connected with the base in an inserting mode, a connecting ring is fixedly connected onto the screen basket, a plurality of springs are arranged on the base, a plurality of motors are installed on the base, a cam is fixedly connected with the output end of each motor, and the cam is inconsistent with the connecting ring.

Preferably, a pair of filtrate pipes is fixedly connected to the liquid collecting shell.

Preferably, a plurality of filtering holes are formed in the screen basket.

Preferably, one end of the spring is fixedly connected with the base, and the other end of the spring is fixedly connected with the connecting ring.

Preferably, the number of the springs is nine.

Preferably, the number of the motor and the number of the cam are three.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. during the use, the coal slime water of coal dressing in-process enters into the swirler from the pan feeding mouth through the charge pump of hydraulic classification swirler and grades, the pan feeding pump is prior art, no longer bore, through the centrifugal separation and the classification of swirler, the coal slime water is discharged from the output of swirler, higher pressure has when grading to the material by the swirler, make the material do the circular motion inside the swirler, therefore the output of swirler has stronger centrifugal force, be umbelliform blowout, spout into the basket along the top cap after that, utilize remaining centrifugal force to dewater the material, the material after the dehydration is discharged the bottom of basket from the basket, discharge through the bottom of basket, filtrate after taking off from the material collects through the collection shell, through filter liquid pipe discharge, thereby realize utilizing the centrifugal force that the output remains, come to the mesh of dewatering the material, the swirler is prior art, no longer, when dewatering the material through the basket, start supplementary filter unit, drive the basket shake, through the shake through the swirler, will be attached to the filter basket on the filtration pore, and export the mesh of material, and lead out, and improve the effect of the filtration from the mesh of the filtration, the effect of the filtration, the filtration is improved, the effect of the mesh of the filtration is continuously, the mesh of the material, the filtration basket, the effect of the filtration is improved, the effect of the filtration is convenient to the use, the filtration, the mesh of the filtration basket, the filtration effect of the filtration is improved.

2. In the process of dehydrating materials, the motor is started, the cam is driven to rotate, the connecting ring is arranged, the screen basket is driven to vibrate under the cooperation of the spring, along with the vibration of the screen basket, under the cooperation of the first telescopic sleeve and the second telescopic sleeve, filtrate can only be guided out from filter holes in the screen basket, the practicability is improved, meanwhile, along with the vibration of the screen basket, materials attached to the screen basket in the filter holes are vibrated and fall off, under the action of gravity, the filtrate is guided out through the output pipe, the filter holes in the screen basket are cleaned, the dehydration effect of the subsequent materials is guaranteed, the dehydration work of the materials is continuously performed, the practicability is improved, the filtrate taken off from the materials through the screen basket is discharged through the filter liquid pipe after being collected through the liquid collecting shell, and the purpose of dehydrating the materials by utilizing the residual centrifugal force of the output end of the cyclone is achieved.

Drawings

FIG. 1 is a schematic perspective view of a coal dressing dehydrator;

FIG. 2 is a schematic view of a partially cut-away three-dimensional structure of the coal dressing dehydrator;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic perspective enlarged structure view of the screen basket.

In the figure: 1. a liquid collection shell; 2. a top cover; 3. a swirler; 4. a filtrate pipe; 5. a screen basket; 6. an auxiliary filtering unit; 7. a first telescopic tube; 8. a second telescopic tube; 9. an output pipe; 10. a base; 11. a spring; 12. a motor; 13. a cam; 14. and (7) connecting rings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example (b): referring to fig. 1 and 2, a coal dressing dehydrator is shown, which comprises a liquid collecting shell 1, a top cover 2 fixedly connected to the liquid collecting shell 1, and a cyclone 3 fixedly connected to the top cover 2, the cyclone 3 is communicated with the liquid collecting shell 1, a pair of filtrate pipes 4 is fixedly connected to the liquid collecting shell 1, a screen basket 5 is arranged in the liquid collecting shell 1, a plurality of filtering holes are arranged on the screen basket 5, an auxiliary filtering unit 6 for auxiliary filtering is arranged in the liquid collecting shell 1, when in use, coal slurry water in a coal dressing process enters the cyclone 3 from a feed inlet through a feed pump of the hydraulic classification cyclone 3 for classification, the feed pump is the prior art and does not bear load, the coal slurry water is discharged from an output end of the cyclone 3 through centrifugal separation and classification of the cyclone 3, the cyclone 3 has higher pressure when classifying materials, the materials are made to make circular motion in the cyclone 3, so that the output end of the cyclone 3 has stronger centrifugal force, the material is sprayed out in an umbrella shape, then the material is sprayed into a screen basket 5 along a top cover 2, the material is dehydrated by using the residual centrifugal force, the dehydrated material is discharged to the bottom of the screen basket 5 from the screen basket 5 and is discharged through the bottom end of the screen basket 5, the filtrate removed from the material is collected through a liquid collecting shell 1 and then is discharged through a filtrate pipe 4, so that the aim of dehydrating the material by using the residual centrifugal force at the output end of a cyclone 3 is fulfilled, the cyclone 3 is in the prior art and is not redundant, the auxiliary filtering unit 6 is started while the material is dehydrated through the screen basket 5 to drive the screen basket 5 to vibrate, the material attached to the filtering holes of the screen basket 5 is vibrated by the vibration of the screen basket 5, the material is guided out from the bottom end of the screen basket 5 under the action of gravity, and the continuous cleaning of the filtering holes on the screen basket 5 is realized by using the auxiliary filtering unit 6, improve the dehydration effect to the material, be convenient for continuously carry out dehydration work to the material, guarantee the dehydration effect of material, improve the practicality.

As shown in fig. 1-4, the auxiliary filtering unit 6 includes a first telescopic tube 7 disposed on the top end of the basket 5, and one end of the first telescopic tube 7 is fixedly connected to the top cover 2, a second telescopic tube 8 is sleeved on the bottom end of the basket 5, one end of the second telescopic tube 8 is fixedly connected to the lower end of the liquid collecting shell 1, the lower end of the basket 5 is provided with an output tube 9, the lower end of the liquid collecting shell 1 is fixedly connected to the base 10, and the output tube 9 is inserted into the base 10, a connecting ring 14 is fixedly connected to the basket 5, a plurality of springs 11 are disposed on the base 10, one end of each spring 11 is fixedly connected to the base 10, the other end of each spring 11 is fixedly connected to the connecting ring 14, the number of the springs 11 is nine, a plurality of motors 12 are mounted on the base 10, a cam 13 is fixedly connected to the output end of each motor 12, the cam 13 is in contact with the connecting ring 14, and the numbers of the motors 12 and the cams 13 are three.

In the process of dehydrating materials, the motor 12 is started, the cam 13 is driven to rotate, the screen basket 5 is driven to vibrate through the cooperation of the connecting ring 14, along with the vibration of the screen basket 5, filtrate can only be led out from filter holes in the screen basket 5 through the cooperation of the first telescopic sleeve 7 and the second telescopic sleeve 8, the practicability is improved, meanwhile, along with the vibration of the screen basket 5, the materials attached to the filter holes in the screen basket 5 are vibrated and fall off, under the action of gravity, the filtrate is led out through the output pipe 9, the filter holes in the screen basket 5 are cleaned, the dehydration effect of the follow-up materials is guaranteed, the materials can be continuously dehydrated, the practicability is improved, the filtrate which is taken off from the materials through the screen basket 5 is discharged through the filtrate pipe 4 after being collected through the liquid collecting shell 1, and the purpose of dehydrating the materials by utilizing the residual centrifugal force at the output end of the cyclone 3 is achieved.

This practical theory of operation:

when the coal dressing dehydrator is used, coal slime water in the coal dressing process enters the cyclone 3 from the feeding port through the feeding pump of the hydraulic classification cyclone 3 for classification, and is discharged from the output end of the cyclone 3 through centrifugal separation and classification of the cyclone 3, the cyclone 3 has high pressure when classifying materials, so that the materials do circular motion inside the cyclone 3, the output end of the cyclone 3 has strong centrifugal force and is sprayed out in an umbrella shape, and then the coal slime water is sprayed into the screen basket 5 along the top cover 2, and the materials are dehydrated by using the residual centrifugal force.

In-process of dehydrating the material, starter motor 12, drive cam 13 rotates, setting through go-between 14, under the cooperation of spring 11, it shakes to drive basket 5, along with the vibrations of basket 5, under the cooperation of first telescope tube 7 and second telescope tube 8, guarantee that filtrating can only follow the filtration pore derivation on basket 5, the high practicality, simultaneously along with the vibrations of basket 5, make the material that adheres to in the filtration pore on basket 5 receive the vibrations and drop, under the effect of gravity, derive through output tube 9, realize the clearance to filtration pore on basket 5, and then guarantee the dehydration effect to follow-up material, be convenient for continuously carry out dehydration work to the material, improve the practicality, the filtrating that takes off from the material through basket 5 discharges through filtrate pipe 4 after collecting of collection liquid shell 1, thereby realize utilizing swirler 3 output remaining centrifugal force, come the purpose of dehydrating the material.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal dressing hydroextractor, includes album liquid shell (1), on album liquid shell (1) fixed connection's top cap (2) with fixed connection's swirler (3) on top cap (2), swirler (3) with collection liquid shell (1) intercommunication, its characterized in that: a screen basket (5) is arranged in the liquid collection shell (1), and an auxiliary filtering unit (6) for auxiliary filtering is arranged in the liquid collection shell (1);

the auxiliary filtering unit (6) comprises a first telescopic pipe (7) arranged at the top end of the screen basket (5), one end of the first telescopic pipe (7) is fixedly connected with the top cover (2), a second telescopic pipe (8) is sleeved at the bottom end of the screen basket (5), one end of the second telescopic pipe (8) is fixedly connected with the low end of the liquid collection shell (1), an output pipe (9) is arranged at the low end of the screen basket (5), a base (10) is fixedly connected with the low end of the liquid collection shell (1), the output pipe (9) is connected onto the base (10) in an inserting mode, a connecting ring (14) is fixedly connected onto the screen basket (5), a plurality of springs (11) are arranged on the base (10), a plurality of motors (12) are installed on the base (10), a cam (13) is fixedly connected with the output end of the motor (12), and the cam (13) is abutted to the connecting ring (14).

2. A coal dressing and dewatering machine according to claim 1, characterized in that a pair of filtrate pipes (4) is fixedly connected to the liquid collecting shell (1).

3. The coal dressing dehydrator according to claim 1, wherein the screen basket (5) is provided with a plurality of filtering holes.

4. A coal dressing and dewatering machine according to claim 1, characterized in that one end of the spring (11) is fixedly connected with the base (10), and the other end of the spring (11) is fixedly connected with the connecting ring (14).

5. A coal dressing and dewatering machine according to claim 1, characterized in that the number of springs (11) is nine.

6. A coal dressing and dewatering machine according to claim 1, characterized in that the number of said motors (12) and said cams (13) is three.