CN215429648U

CN215429648U - Swirler underflow structure easy to overhaul

Info

Publication number: CN215429648U
Application number: CN202121516007.0U
Authority: CN
Inventors: 唐强; 周闪闪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-01-07
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an easy-to-maintain underflow structure of a cyclone, and particularly relates to the technical field of cyclones. According to the bottom flow pipe, the diversion cylinder is arranged at the bottom of the bottom flow pipe conveniently, so that silt flows in an open channel mode, a sealed space is omitted, workers can overhaul the bottom flow pipe conveniently, the bottom flow pipe is convenient to disassemble by using the connecting assembly, a lining in the bottom flow pipe is convenient to disassemble and overhaul, vibration of the equipment is relieved by using the first rubber block and the second rubber block, and the damage rate of the lining is reduced.

Description

Swirler underflow structure easy to overhaul

Technical Field

The utility model belongs to the technical field of cyclones, and particularly relates to an easily maintained underflow structure of a cyclone.

Background

A fluid cyclone is a common separation and classification device, and a centrifugal sedimentation principle is commonly used, when two-phase mixed liquid to be separated enters the cyclone tangentially from the periphery of the cyclone under certain pressure, strong three-dimensional elliptic strong-rotation shearing turbulent flow motion is generated, because the particle size difference exists between coarse particles and fine particles, the coarse particles are subjected to different sizes of centrifugal force, centripetal buoyancy, fluid drag force and the like, under the action of centrifugal sedimentation, most of the coarse particles are discharged through a bottom flow port of the cyclone, and most of the fine particles are discharged through an overflow pipe, so that the separation and classification purposes are achieved.

Present swirler need pass through the inside of pipe conveyor to mill when discharging the coarse particle, and the coarse particle often rubs when the transmission between with the underflow pipe, makes the underflow pipe take place to damage easily, needs regularly overhaul the change, but because the operational environment is in and seals narrow and small space, in addition be connected through ring flange and a plurality of bolt between underflow pipe and the swirler shell, and then inconvenient change and overhaul the underflow pipe.

SUMMERY OF THE UTILITY MODEL

The utility model provides an easy-to-overhaul cyclone underflow structure, which aims to solve the problems that when the existing cyclone is used for discharging coarse particles, the coarse particles are required to be conveyed to the interior of a mill through a pipeline, the coarse particles are frequently rubbed with an underflow pipe during transmission, the underflow pipe is easily damaged, and the underflow pipe is required to be periodically overhauled and replaced, but the underflow pipe is inconvenient to replace and overhaul due to the fact that the operation environment is in a closed narrow space and the underflow pipe is connected with a cyclone shell through a flange plate and a plurality of bolts.

The utility model is realized in such a way, and provides the following technical scheme: the utility model provides an easy swirler underflow structure that overhauls, includes a feeding section of thick bamboo, feeding section of thick bamboo top is provided with the overflow pipe, feeding bobbin base portion is provided with first toper section of thick bamboo, first toper bobbin base portion is provided with second toper section of thick bamboo, second toper bobbin base portion is provided with coupling assembling.

In a preferred embodiment, the connecting assembly comprises a sleeve disposed outside the second tapered barrel, the sleeve being internally provided with internal threads and the second tapered barrel being externally provided with external threads, the sleeve being in threaded connection with the second tapered barrel.

In a preferred embodiment, the bottom of the sleeve is provided with a rotating screw barrel, and a plurality of anti-slip strips are arranged outside the rotating screw barrel.

In a preferred embodiment, a plurality of first blocking blocks and second blocking blocks are annularly arranged on the inner wall of the rotating screw cylinder, the first blocking blocks are arranged above the second blocking blocks, an underflow pipe is arranged inside the rotating screw cylinder, a clamping strip is arranged outside the underflow pipe, and a guide cylinder is arranged at the bottom of the underflow pipe.

In a preferred embodiment, the bottom of the underflow pipe is provided with an underflow port, a liner is arranged inside the underflow pipe, a plurality of first rubber blocks are annularly arranged outside the liner, and a plurality of second rubber blocks are annularly arranged on the inner side wall of the underflow pipe.

In a preferred embodiment, the number of first rubber blocks and second rubber blocks is the same, wherein one first rubber block is arranged between every two second rubber blocks.

In a preferred embodiment, the feed cylinder bottom and the first conical cylinder top are each provided with a first connecting flange, and the first conical cylinder bottom and the second conical cylinder top are each provided with a second connecting flange.

Compared with the prior art, the utility model has the beneficial effects that:

the rotary screw barrel is rotated by arranging the connecting component, so that the rotary screw barrel drives the sleeve at the top to rotate, the sleeve connected by screw threads is separated from the second conical barrel, when the liner inside the underflow pipe needs to be disassembled, the underflow pipe is rotated to enable the clamping strip to be separated from the space between the first blocking block and the second blocking block inside the rotary screw barrel, so that the spacing between the underflow pipe and the rotary screw barrel is lost, the underflow pipe is pulled out inside the rotary screw barrel, the liner can be taken out from the underflow pipe, the underflow pipe can be conveniently disassembled and replaced, the liner inside the underflow pipe is convenient to overhaul and replace, the operation is convenient, the vibration of equipment can be alleviated by the first rubber block outside the liner and the second rubber block on the inner side wall of the underflow pipe, and the problem that the original swirler needs to be conveyed into the mill through a pipeline is solved by arranging the flow guide cylinder at the bottom of the underflow pipe, and then need regularly overhaul the pipeline, and the mode that utilizes the guiding cylinder to make silt circulation is the open channel form, has cancelled sealed space, makes things convenient for the staff to overhaul the underflow pipe.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a perspective view of a second conical barrel, sleeve, rotary barrel and underflow pipe connection according to the present invention.

FIG. 3 is a top view of the bottom flow tube and liner connection of the present invention;

fig. 4 is a perspective view of a connection structure of the rotary screw cylinder, the first blocking block and the second blocking block.

In the figure: 1. a feeding cylinder; 2. an overflow pipe; 3. a first conical cylinder; 4. a second tapered barrel; 5. a sleeve; 6. an internal thread; 7. an external thread; 8. rotating the screw cylinder; 9. anti-slip strips; 10. a first barrier block; 11. a second barrier block; 12. an underflow pipe; 13. clamping the strip; 14. a underflow port; 15. a liner; 16. a first rubber block; 17. a second rubber block; 18. a first connecting flange; 19. a second connecting flange; 20. and a diversion cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The underflow structure of the cyclone which is easy to overhaul and shown in the attached drawings 1-4 comprises a feeding cylinder 1, an overflow pipe 2 is arranged at the top of the feeding cylinder 1, a first conical cylinder 3 is arranged at the bottom of the feeding cylinder 1, a second conical cylinder 4 is arranged at the bottom of the first conical cylinder 3, and a connecting assembly is arranged at the bottom of the second conical cylinder 4.

As shown in fig. 1 and 2, the connecting assembly comprises a sleeve 5, the sleeve 5 is arranged outside the second conical tube 4, an internal thread 6 is arranged inside the sleeve 5, an external thread 7 is arranged outside the second conical tube 4, and the sleeve 5 is in threaded connection with the second conical tube 4, so that the sleeve 5 can be connected between the internal thread 6 and the external thread 7 outside the second conical tube 4, and further, the connecting assembly is convenient for workers to install and detach the sleeve 5, and the overhauling is convenient.

As shown in the attached drawings 1 and 2, the bottom of the sleeve 5 is provided with a rotary barrel 8, a plurality of anti-slip strips 9 are arranged outside the rotary barrel 8, so that the friction force between the fingers of a worker and the rotary barrel 8 is increased through the plurality of anti-slip strips 9 outside the rotary barrel 8, the worker can rotate the rotary barrel 8 conveniently, and the sleeve 5 can rotate through the rotary barrel 8.

As shown in fig. 4, a plurality of first blocking blocks 10 and second blocking blocks 11 are annularly arranged on the inner wall of the rotary screw cylinder 8, the first blocking blocks 10 are arranged above the second blocking blocks 11, an underflow pipe 12 is arranged inside the rotary screw cylinder 8, and a clamping strip 13 is arranged outside the underflow pipe 12, so that when the underflow pipe 12 and the rotary screw cylinder 8 are installed, the underflow pipe 12 is inserted into the rotary screw cylinder 8, and the underflow pipe 12 is rotated, so that the clamping strip 13 outside the underflow pipe 12 is clamped between the first blocking blocks 10 and the second blocking blocks 11, and the clamping strip 13 is limited by the first blocking blocks 10 and the second blocking blocks 11, and the installation between the underflow pipe 12 and the rotary screw cylinder 8 is facilitated.

As shown in the attached drawings 1, 2 and 3, the underflow port 14 has been seted up to underflow pipe 12 bottom, so that make the inside silt of underflow pipe 12 flow through underflow port 14, the inside wall of underflow pipe 12 be provided with inside lining 15, inside wall ring shape of inside lining 15 is provided with the first rubber block 16 of a plurality of, inside wall ring shape of underflow pipe 12 is provided with a plurality of second rubber block 17, so that alleviate the vibrations that equipment took place through the mutual extrusion of first rubber block 16 and second rubber block 17, reduce the friction of silt to inside lining 15, improve the life of inside lining 15, underflow pipe 12 bottom is provided with guiding cylinder 20, so that through setting up guiding cylinder 20 in underflow pipe 12 bottom, make the mode that silt circulates for the open channel form, sealed space has been cancelled, make things convenient for the staff to overhaul underflow pipe 12.

As shown in fig. 2 and 3, the number of the first rubber blocks 16 and the number of the second rubber blocks 17 are the same, wherein one first rubber block 16 is arranged between every two second rubber blocks 17, so that the connection between the underflow pipe 12 and the lining 15 is tighter and the oscillation space is reduced by arranging the first rubber block 16 between the two second rubber blocks 17.

As shown in fig. 1, a first connecting flange 18 is arranged at the bottom of the feeding cylinder 1 and at the top of the first conical cylinder 3, and a second connecting flange 19 is arranged at the bottom of the first conical cylinder 3 and at the top of the second conical cylinder 4, so that the feeding cylinder 1 and the first conical cylinder 3, the first conical cylinder 3 and the second conical cylinder 4 are connected through the first connecting flange 18 and the second connecting flange 19.

The working principle of the utility model is as follows: when the sand-mud separator is used, as shown in the attached figure I, silt is injected into the feeding cylinder 1, centrifugal force is generated through high-speed rotation inside the feeding cylinder 1, the silt with high density flows out through the underflow pipe 12 through the centrifugal force, and the silt with low density is discharged through the overflow pipe 2 through the centrifugal force;

when silt is discharged through the underflow pipe 12, because particles in the silt generate friction on the underflow pipe 12 for a long time, and when disassembly and maintenance are needed, referring to figure two, the rotating screw cylinder 8 is rotated to enable the rotating screw cylinder 8 to drive the sleeve 5 at the top to rotate, and further the sleeve 5 connected through threads is separated from the second conical cylinder 4, when the liner 15 inside the underflow pipe 12 needs to be disassembled, the clamping strip 13 is separated from the position between the first blocking block 10 and the second blocking block 11 inside the rotating screw cylinder 8 through rotating the underflow pipe 12, so that the spacing between the underflow pipe 12 and the rotating screw cylinder 8 is lost, the underflow pipe 12 is pulled away inside the rotating screw cylinder 8, the liner 15 can be taken out from the inside of the underflow pipe 12, vibration generated by equipment can be alleviated through the first rubber block 16 outside the liner 15 and the second rubber block 17 on the inner side wall of the underflow pipe 12, and the diversion cylinder 20 arranged at the bottom of the underflow pipe 12 solves the problem that the original cyclone is conveyed to the inside of a mill through a pipeline, furthermore, the pipeline needs to be overhauled regularly, and the mode that silt circulates by utilizing the diversion cylinder 20 is an open channel mode, so that a sealed space is eliminated, and the underflow pipe 12 is convenient for workers to overhaul.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an easy swirler underflow structure who overhauls, includes the feed cylinder, its characterized in that: the feeding device is characterized in that an overflow pipe is arranged at the top of the feeding barrel, a first conical barrel is arranged at the bottom of the feeding barrel, a second conical barrel is arranged at the bottom of the first conical barrel, and a connecting assembly is arranged at the bottom of the second conical barrel.

2. An easily overhauled cyclone underflow structure according to claim 1 wherein: the connecting assembly comprises a sleeve, the sleeve is arranged outside the second conical barrel, an internal thread is arranged inside the sleeve, an external thread is arranged outside the second conical barrel, and the sleeve is in threaded connection with the second conical barrel.

3. An easily overhauled cyclone underflow structure according to claim 2 wherein: the bottom of the sleeve is provided with a rotary screw cylinder, and a plurality of anti-slip strips are arranged outside the rotary screw cylinder.

4. An easily overhauled cyclone underflow structure according to claim 3 wherein: the rotary screw barrel is characterized in that a plurality of first blocking blocks and second blocking blocks are annularly arranged on the inner wall of the rotary screw barrel, the first blocking blocks are arranged above the second blocking blocks, an underflow pipe is arranged inside the rotary screw barrel, a clamping strip is arranged outside the underflow pipe, and a flow guide cylinder is arranged at the bottom of the underflow pipe.

5. An easily overhauled cyclone underflow structure according to claim 4 wherein: the underflow opening has been seted up to underflow pipe bottom, the inside lining that is provided with of underflow pipe, the outside annular of inside lining is provided with the first block rubber of a plurality of, the lateral wall annular is provided with a plurality of second block rubber in the underflow pipe.

6. An easily overhauled cyclone underflow structure according to claim 5 wherein: the number of the first rubber blocks and the number of the second rubber blocks are the same, and one first rubber block is arranged between every two second rubber blocks.

7. An easily overhauled cyclone underflow structure according to claim 1 wherein: the feeding cylinder bottom and the first conical cylinder top are both provided with first connecting flanges, and the first conical cylinder bottom and the second conical cylinder top are both provided with second connecting flanges.