CN210675552U - Conical pre-sorting device of three-product heavy medium cyclone - Google Patents

Abstract

The utility model discloses a sorting unit is in advance divided to three products dense medium cyc lone toper belongs to coal dressing equipment field. The three-product heavy medium cyclone conical pre-sorting device comprises a medium combining annular pipe, a pre-sorting device and a plurality of uniformly spaced flow limiting regulators, wherein the medium discharging pipe is connected with a connecting pipe through a buffer connecting sleeve, one end, far away from the buffer connecting sleeve, of the connecting pipe is connected with the flow limiting regulators through a flange, and a first buffer spring is connected between the inner wall of the buffer connecting sleeve and the outer wall of the medium discharging pipe; the utility model discloses utilize the first buffer spring in the buffering adapter sleeve to carry out effectual buffering, reduce vibrations, the effectual vibrations of avoiding the junction are damaged, consolidate the angle steel and realize dismantling to support through last arc and lower arc and consolidate and close the ring pipe, are convenient for change, go up simultaneously and can realize further effectual buffering protection through the effect of spring between arc and the lower arc, effectually avoided closing the damage of ring pipe.

Description

Conical pre-sorting device of three-product heavy medium cyclone

Technical Field

The utility model relates to a coal dressing equipment technical field especially relates to three product dense medium cyc lone toper sorting unit in advance.

Background

The dense medium cyclone is a coal separation device with simple structure, no moving parts and high separation efficiency, and as the application number of the prior art is 201620229002.2, 2016.08.10 discloses a conical pre-separation device of a three-product dense medium cyclone, which comprises a medium-combining annular pipe, a pre-separation device and a plurality of uniformly-spaced flow-limiting regulators, wherein the medium-combining annular pipe surrounds the upper end of the pre-separation device, one end of the medium-combining annular pipe is communicated with a medium conveying pipe, and the other end of the medium-combining annular pipe is a blind end; the medium combining annular pipe is welded with a medium discharging pipe, the outer side of the pre-sorting device is welded with a medium inlet pipe, and the medium discharging pipe and the medium inlet pipe are both communicated with the flow limiting regulator through flanges; the upper end of the pre-sorting device is provided with a feeding flange which is connected with a chute in front of a screen of the desliming screen, and the lower end of the pre-sorting device is provided with a discharging flange which is connected with a cyclone. The medium combining annular pipe ensures that the pressure of the three medium inlet pipes is uniform and stable, and the medium liquid passes through the medium limiting regulator and enters the pre-sorting device through the medium inlet pipes uniformly and stably. The raw coal can stably rotate along the direction of the internal flow field of the pre-sorting device under the action of fluid, the internal flow field of a cyclone is prevented from being influenced, and the problem that raw coal feeding is unstable and easy to block is solved, but certain defects still exist, the pre-sorting device is provided with a plurality of reinforcing angle steels, one ends of the reinforcing angle steels are welded on the outer side of the pre-sorting device, the other ends of the reinforcing angle steels are welded below a medium-combining annular pipe, the reinforcing angle steels fixedly support the medium-combining annular pipe through welding, because flowing liquid with certain pressure in the medium-combining annular pipe rushes into the pre-sorting device when sorting is carried out, the medium-combining annular pipe is difficult to avoid vibration due to the action of the fluid and the pressure, both ends of the reinforcing angle steels are fixedly connected, the medium-combining annular pipe is easy to damage, the medium-combining annular pipe is inconvenient to replace, and in addition, the vibration for a long time can also, leading to the problem of stock solution leakage.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and providing a three-product dense medium cyclone conical pre-sorting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the three-product heavy medium cyclone conical pre-sorting device comprises a medium combining annular pipe, a pre-sorting device and a plurality of uniformly spaced flow limiting regulators, wherein a feeding flange used for being connected with a pre-screening chute of a desliming screen is arranged at the upper end of the pre-sorting device, a discharging flange used for being connected with a cyclone is arranged at the lower end of the pre-sorting device, the medium combining annular pipe surrounds the upper end of the pre-sorting device, one end of the medium combining annular pipe is communicated with a medium conveying pipe, and the other end of the medium combining annular pipe is a blind end; the medium combining ring pipe is welded with a medium discharging pipe, the outside of the pre-sorting device is welded with a medium inlet pipe, the medium inlet pipe is connected with a flow limiting regulator through a flange, the medium outlet pipe is connected with a connecting pipe through a buffer connecting sleeve, one end of the connecting pipe, far away from the buffer connecting sleeve, is connected with the flow limiting regulator through a flange, a first buffer spring is connected between the inner wall of the buffer connecting sleeve and the outer wall of the medium outlet pipe, a folding elastic rubber ring is connected between the inner wall of the buffer connecting sleeve and the outer wall of the medium outlet pipe, a reinforcing angle steel is fixedly connected onto the pre-sorting device, one end of the reinforcing angle steel, far away from the pre-sorting device, is connected with a lower arc plate, an upper arc plate is connected onto the lower arc plate through a bolt, the bolt locks the upper arc plate and the lower arc plate through a nut, and the clamping sides of the upper, the buffer clamping arc-shaped plate is used for clamping the joint annular pipe.

Preferably, the one end that the connecting pipe is located the buffering adapter sleeve is equipped with first ring, the one end that the pipe was kept away from to the buffering adapter sleeve is equipped with the second ring, first ring sliding seal connects in the buffering adapter sleeve, second ring sliding seal connects on the connecting pipe, be connected with second buffer spring between first ring and the second ring.

Preferably, a first sliding sealing ring is arranged between the first circular ring and the buffering connecting sleeve.

Preferably, a second sliding sealing ring is arranged between the second circular ring and the connecting pipe.

Preferably, the number of the reinforcing angle steels is 2-4.

Compared with the prior art, the utility model provides a three products dense medium cyc lone toper sorting unit in advance possesses following beneficial effect:

1. this sorting unit in advance of three products dense medium cyc lone toper, it is connected with the connecting pipe through the buffering adapter sleeve to arrange the medium pipe, the connecting pipe is kept away from the one end of buffering adapter sleeve and is passed through the flange and link to each other with the current limiter, utilize the first buffer spring in the buffering adapter sleeve to carry out effectual buffering, reduce vibrations, the effectual vibrations of avoiding the junction damage, it is folding continuous to utilize folding elastic rubber ring shutoff, the effectual problem of avoiding stoste to leak, it realizes dismantling the support through last arc and lower arc to consolidate with strengthening and closes the medium ring pipe to add the angle steel in addition, be convenient for change, go up the arc simultaneously and can realize further effectual buffering protection through the effect of spring between the arc down, the effectual damage of closing the medium ring pipe of having avoided.

Drawings

Fig. 1 is a schematic structural view of a three-product heavy medium cyclone conical pre-sorting device provided by the utility model;

fig. 2 is a schematic top view of the three-product dense medium cyclone conical pre-sorting device provided by the present invention;

fig. 3 is a front view of a three-product heavy medium cyclone conical pre-sorting device provided by the utility model;

fig. 4 is the utility model provides a three products dense medium cyclone toper sorting unit's buffering adapter sleeve section structure sketch map in advance.

In the figure: 1. a medium combining annular pipe; 2. a pre-sorting device; 3. a medium discharge pipe; 4. a medium inlet pipe; 5. a current limiting regulator; 6. a connecting pipe; 7. a buffer connecting sleeve; 8. reinforcing angle steel; 9. a lower arc-shaped plate; 10. buffering and clamping the arc-shaped plate; 11. a nut; 12. a bolt; 13. an upper arc plate; 14. a spring; 15. a first buffer spring; 16. folding the elastic rubber ring; 17. a first circular ring; 18. a second sliding seal ring; 19. a second circular ring; 20. a second buffer spring; 21. a first sliding seal ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the conical pre-sorting device of the three-product dense medium cyclone comprises a medium-mixing annular pipe 1, a pre-sorting device 2 and a plurality of uniformly spaced flow-limiting regulators 5, wherein the upper end of the pre-sorting device 2 is provided with a feeding flange for connecting with a pre-screening chute of a desliming screen, the lower end of the pre-sorting device 2 is provided with a discharging flange for connecting with a cyclone, the medium-mixing annular pipe 1 surrounds the upper end of the pre-sorting device 2, one end of the medium-mixing annular pipe 1 is communicated with a medium conveying pipe, and the other end of the medium-mixing annular pipe 1 is a blind end; a medium combining ring pipe 1 is welded with a medium discharging pipe 3, the outer side of a pre-sorting device 2 is welded with a medium inlet pipe 4, the medium inlet pipe 4 is connected with a flow limiting regulator 5 through a flange, the medium discharging pipe 3 is connected with a connecting pipe 6 through a buffer connecting sleeve 7, one end of the connecting pipe 6 far away from the buffer connecting sleeve 7 is connected with the flow limiting regulator 5 through a flange, a first buffer spring 15 is connected between the inner wall of the buffer connecting sleeve 7 and the outer wall of the medium discharging pipe 3, a folding elastic rubber ring 16 is connected between the inner wall of the buffer connecting sleeve 7 and the outer wall of the medium discharging pipe 3, a reinforcing angle steel 8 is fixedly connected on the pre-sorting device 2, one end of the reinforcing angle steel 8 far away from the pre-sorting device 2 is connected with a lower arc plate 9, an upper arc plate 13 is connected on the lower arc plate 9 through a bolt 12, the bolt 12 locks the upper arc plate 13 and the lower arc plate 9 through a nut, the buffer clamping arc-shaped plate 10 is used for clamping the medium annular pipe 1;

be connected with connecting pipe 6 through buffering adapter sleeve 7 through arranging pipe 3, the one end that buffering adapter sleeve 7 was kept away from to connecting pipe 6 is passed through the flange and is linked to each other with current limiter 5, utilize first buffer spring 15 in the buffering adapter sleeve 7 to carry out effectual buffering, reduce vibrations, the effectual vibrations damage of avoiding the junction, it is folding continuous to utilize 16 shutoff of folding elastic rubber ring, the effectual problem of avoiding stoste to leak, it realizes to dismantle the support through last arc 13 and lower arc 9 in addition to consolidate and closes ring pipe 1, the change of being convenient for, go up the arc 13 simultaneously and can realize further effectual buffer protection through spring 14's effect between the arc 9 down, the effectual damage of closing ring pipe 1 of having avoided.

One end of the connecting pipe 6, which is located at the buffering connecting sleeve 7, is provided with a first circular ring 17, one end of the buffering connecting sleeve 7, which is far away from the medium discharge pipe 3, is provided with a second circular ring 19, the first circular ring 17 is connected in the buffering connecting sleeve 7 in a sliding and sealing manner, the second circular ring 19 is connected on the connecting pipe 6 in a sliding and sealing manner, a second buffering spring 20 is connected between the first circular ring 17 and the second circular ring 19, and the joint can be further buffered and damped.

A first sliding sealing ring 21 is arranged between the first circular ring 17 and the buffer connecting sleeve 7, so that the sealing effect is ensured.

A second sliding sealing ring 18 is arranged between the second circular ring 19 and the connecting pipe 6, so that the sealing effect is ensured.

The number of the reinforcing angle steels 8 is 2-4, and the supporting and buffering effects are good.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The conical pre-sorting device of the three-product heavy medium cyclone comprises a medium combining annular pipe (1), a pre-sorting device (2) and a plurality of uniformly-spaced flow limiting regulators (5), wherein a feeding flange used for being connected with a front screening chute of a desliming screen is arranged at the upper end of the pre-sorting device (2), a discharging flange used for being connected with a cyclone is arranged at the lower end of the pre-sorting device (2), the medium combining annular pipe (1) surrounds the upper end of the pre-sorting device (2), one end of the medium combining annular pipe (1) is communicated with a medium conveying pipe, and the other end of the medium combining annular pipe (1) is a blind end; close the welding on the ring form pipe (1) of betweening and have arrange between pipe (3), the welding of sorting unit (2) outside in advance has and goes into between pipe (4), its characterized in that, it links to each other with current limiter (5) through the flange to go into between pipe (4), arrange between pipe (3) and be connected with connecting pipe (6) through buffering adapter sleeve (7), the one end that buffering adapter sleeve (7) were kept away from in connecting pipe (6) pass through the flange with current limiter (5) link to each other, be connected with first buffer spring (15) between buffering adapter sleeve (7) inner wall and the row between pipe (3) outer wall, be connected with folding elastic rubber ring (16) between buffering adapter sleeve (7) inner wall and row between pipe (3) outer wall, fixedly connected with reinforcement angle steel (8) on sorting unit (2) in advance, the one end that pre-sorting unit (2) was kept away from in advance to reinforcement angle steel (8) is connected with down arc, arc (13) are connected with through bolt (12) on arc (9) down, bolt (12) are locked through nut (11) last arc (13) and lower arc (9), the tight side of clamp of going up arc (13) and lower arc (9) all is connected with the tight arc (10) of buffering clamp through spring (14), the tight arc (10) of buffering clamp is used for pressing from both sides tightly close circular tube (1).

2. The conical pre-sorting device of the three-product heavy medium cyclone as claimed in claim 1, wherein a first circular ring (17) is arranged at one end of the connecting pipe (6) located at the buffering connecting sleeve (7), a second circular ring (19) is arranged at one end of the buffering connecting sleeve (7) far away from the medium discharge pipe (3), the first circular ring (17) is connected in the buffering connecting sleeve (7) in a sliding and sealing manner, the second circular ring (19) is connected on the connecting pipe (6) in a sliding and sealing manner, and a second buffering spring (20) is connected between the first circular ring (17) and the second circular ring (19).

3. The conical pre-sorting device of the three-product heavy medium cyclone as claimed in claim 2, wherein a first sliding sealing ring (21) is arranged between the first circular ring (17) and the buffering connecting sleeve (7).

4. The three-product heavy medium cyclone conical pre-sorting device according to claim 2, wherein a second sliding sealing ring (18) is arranged between the second circular ring (19) and the connecting pipe (6).

5. The three-product heavy medium cyclone conical pre-sorting device according to claim 1, wherein the number of the reinforcing angle steels (8) is 2-4.

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