CN211134338U - Adjustable overflow device of swirler - Google Patents
Adjustable overflow device of swirler Download PDFInfo
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- CN211134338U CN211134338U CN201922269381.4U CN201922269381U CN211134338U CN 211134338 U CN211134338 U CN 211134338U CN 201922269381 U CN201922269381 U CN 201922269381U CN 211134338 U CN211134338 U CN 211134338U
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Abstract
The utility model discloses an adjustable overflow device of a swirler, belonging to the technical field of overflow of swirlers, comprising a top cover of the swirler, wherein an overflow sleeve is inserted on the top cover of the swirler in a sliding way, and the inner part of the overflow sleeve is in a cone shape with the gradually reduced drift diameter from top to bottom; the top of the overflow sleeve is provided with a top cover with a flange, and the side surface of the upper part of the overflow sleeve is provided with an overflow port; the center of the top cover is screwed with a first screw rod, the top of the first screw rod extends to the outer side of the overflow sleeve, the bottom of the first screw rod is positioned in the overflow sleeve, and a conical plug is arranged at the bottom of the first screw rod corresponding to the inner conical surface of the overflow sleeve; a second screw rod is rotatably arranged between the flange of the top cover and the top of the top cover of the cyclone, a nut is sleeved on the second screw rod, and the nut is fixedly connected with the flange of the top cover; the utility model discloses have nimble accurate the depth of insertion of adjusting the overflow pipe, adjust the flow field characteristic of ground paste in real time, effectively cushion the ground paste to the direct impact of overflow cover, prolong the beneficial effect of the life of overflow cover.
Description
Technical Field
The utility model belongs to the technical field of the swirler overflow, concretely relates to swirler overflow arrangement with adjustable.
Background
The cyclone is used as a common grading concentration device, has the characteristics of large treatment capacity, high grading efficiency, small floor area, low operation cost, flexible installation mode and the like, and is widely applied to the fields of mines, metallurgy, petroleum, chemical industry and the like. The slurry motion has special form, which can generate high tangential speed, large speed gradient and strong turbulence along radial direction, form centrifugal force field which is several tens or even thousands times larger than the force field, huge shearing stress and violent mixing action, thus having various separation functions of grading, sorting, concentrating, clarifying, washing, mass transfer and the like, and being widely applied to numerous technical fields of national economy. In view of the current development situation, the cyclone is undoubtedly one of the preferred options for the equipment selection in the two-phase slurry separation engineering with particle size difference, density difference and shape difference.
Factors influencing the classification efficiency of the cyclone directly determine the using effect of the cyclone besides mineral properties and ore feeding pressure and structural parameters of equipment, such as the diameter of the cyclone, the pyramid ratio, the insertion depth of an overflow pipe and the like. For a set of formed cyclone equipment, adjustment is generally carried out by adjusting ore feeding pressure and changing the size of a bottom flow port, and the insertion depth of the overflow pipe is basically determined according to experience and cannot be adjusted. The depth of insertion of the overflow tube has a significant effect on the separation index, particularly on the particle size and separation efficiency. If the insertion is too shallow, the short-circuit flow is increased, the separation time is shortened, the coarse fraction content in an overflow product is increased, the fine fraction content in a sand setting product is increased, and the classification efficiency is reduced; too deep an insertion, although it may extend the separation time and reduce the short-circuit flow, will introduce the separated coarse fraction from the cone into the overflow product, leading to an increased coarse fraction content in the overflow product and a reduced separation efficiency. The cyclone can process different minerals, the overflow pipes have an optimal insertion depth, and the depth higher or lower than the optimal insertion depth has an influence on the efficiency of the cyclone, so that the adjustment of the appropriate insertion depth of the overflow pipes is particularly important for the fact that the cyclone can work in an optimal state.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a swirler overflow arrangement with adjustable realizes nimble depth of insertion, the inside flow field characteristic's of real-time regulation overflow pipe function of adjusting the overflow pipe.
The utility model discloses a following technical scheme realizes:
an adjustable overflow device of a swirler comprises a swirler top cover, wherein a hollow overflow sleeve is slidably inserted into the swirler top cover, and the inner part of the overflow sleeve is in a conical shape with the gradually reduced drift diameter from top to bottom; the top of the overflow sleeve is coaxially provided with an end cover with a flange, and the side surface of the upper part of the overflow sleeve is provided with an overflow port; a first screw rod is arranged in the center of the end cover in a penetrating and threaded mode, the top of the first screw rod extends to the outer side of the overflow sleeve, the bottom of the first screw rod is located inside the overflow sleeve, and a conical plug is arranged at the bottom of the first screw rod corresponding to the inner conical surface of the overflow sleeve; and a second screw rod is rotatably arranged between the flange of the end cover and the top of the top cover of the cyclone, a nut is sleeved on the second screw rod, and the nut is fixedly connected with the flange of the end cover.
The overflow sleeve is inserted on the top cover of the cyclone in a sliding manner, the bottom of the overflow sleeve is positioned in the cyclone, and the top of the overflow sleeve extends to the outside of the top cover of the cyclone. The top of the overflow sleeve is fixedly or detachably provided with an end cover, and the edge of the end cover is provided with a flange. The flange of the end cover is provided with a second screw rod in a penetrating mode, the bottom of the second screw rod is rotatably arranged on the top cover of the cyclone, the top of the second screw rod extends upwards, the second screw rod is sleeved with a nut, and the nut is fixedly connected with the flange of the end cover through a screw. When the depth of the overflow sleeve inserted into the cyclone is required to be adjusted, only the second screw rod needs to be rotated, the second screw rod drives the nut to ascend and descend at the moment, and then the overflow sleeve is driven to ascend and descend, so that the depth of the overflow sleeve inserted into the cyclone can be adjusted. Meanwhile, a first screw rod is installed in the center of the end cover in a penetrating mode, the first screw rod is made to ascend and descend in the overflow sleeve by rotating the first screw rod, and then the conical plug at one end, located in the overflow sleeve, of the first screw rod is driven to ascend and descend. Because the inside of overflow cover is the toper that reduces from top to bottom in proper order, and the toper end cap matches with the inner wall toper of overflow cover, consequently the toper end cap when the inside of overflow cover reciprocates, the interval between the inner wall of toper end cap and overflow cover changes the adjustable, can influence the flow field characteristic when the ground paste gets into the overflow cover from the swirler inside through changing the interval between the inner wall of toper end cap and overflow cover, realize the online adjustment to swirler product classification granularity or product ash content, the product after the classification flows from the overflow mouth of overflow cover top side.
In order to better realize the utility model, furthermore, the outer wall of the overflow sleeve is provided with scales.
In order to accurately know the depth of the overflow sleeve inserted into the cyclone, scales are arranged on the outer wall of the overflow sleeve, the scales before the overflow sleeve are adjusted through recording, then the scales after the overflow sleeve is adjusted through recording, and the lifting height of the overflow sleeve can be accurately known through calculating the difference value of the scales twice.
In order to realize the utility model, furthermore, the bottom outside cover of overflow cover is equipped with the barrier ring, the lower surface of barrier ring is the arc surface.
The slurry enters the interior of the cyclone at a high speed under the action of pressure, and after encountering the stop ring, the short-circuit flow slurry moves to the periphery along the upper surface of the stop ring, so that the slurry is prevented from entering the overflow sleeve and being discharged without being classified. The stop ring prevents the slurry from directly scouring the outer wall and the bottom surface of the inlet at the bottom of the overflow sleeve, so that the abrasion of the overflow sleeve caused by the scouring of the slurry is relieved. The arc surface arranged on the lower surface of the stop ring can prevent slurry from perpendicularly impacting the surface of the stop ring, and the stress condition of the stop ring is improved, so that the wear resistance of the stop ring is improved. The stop ring can eliminate short-circuit flow and relieve the abrasion of the overflow sleeve, thereby improving the classification efficiency of the cyclone and prolonging the service life of the overflow sleeve.
In order to better realize the utility model discloses, furtherly, overflow cover's bottom port department is provided with the overflow cap, the overflow cap is the toper that reduces gradually from the top down.
Set up the overflow cap in overflow cover's bottom port department and further avoided the ground paste to the direct washing away of the terminal surface of overflow cover's bottom entrance to overflow cover's life, when overflow cap wearing and tearing back only need change the overflow cap can, maintenance cost is lower.
In order to better realize the utility model discloses, furtherly, the sliding connection department of overflow cover and swirler top cap is provided with the sealing member.
Because the slip cartridge is on the swirler top cap during overflow cover, when guaranteeing that overflow cover slides smoothly, still need to guarantee the leakproofness between the sliding connection portion of overflow cover and swirler top cap, avoid the ground paste to reveal from the sliding connection portion of overflow cover and swirler top cap, the sliding connection department of accessible overflow cover and swirler top cap sets up the sealing member and effectively seals.
In order to better realize the utility model discloses, furtherly, the hand wheel is all installed at the top of first screw rod and second screw rod.
The hand wheel is arranged at the top of the first screw rod and the top of the second screw rod, the first screw rod and the second screw rod can be conveniently rotated by rotating the hand wheel, and the hand wheel is more convenient and labor-saving.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the overflow sleeve is installed on the top cover of the cyclone in a penetrating and sliding mode, the end cover with the flange is installed at the top end of the overflow sleeve, the second screw rod is installed between the flange of the end cover and the top cover of the cyclone in a rotating mode, the nut is sleeved on the second screw rod and fixedly connected with the flange, the function of driving the overflow sleeve to ascend and descend vertically can be achieved by rotating the second screw rod, the function of adjusting the depth of the overflow sleeve inserted into the cyclone is further achieved, and the depth of the overflow sleeve inserted into the cyclone can be accurately calculated through the scale on the overflow sleeve; the utility model has the advantages of flexible and accurate adjustment of the insertion depth of the overflow pipe;
(2) the utility model discloses a run through spiral shell dress first screw rod in the center of end cover, set up the toper end cap in the one end that first screw rod is located overflow cover inside, and set up the inner wall of overflow cover into the toper that the latus rectum reduces gradually from top to bottom, drive the toper end cap to move in overflow cover through rotating first screw rod, make the interval between the inner wall of toper end cap and overflow cover change, and then adjust the flow field characteristic when the ground paste gets into overflow cover from the swirler inside; the utility model discloses have the beneficial effect of the flow field characteristic of real-time regulation ground paste.
(3) The stop ring is sleeved outside the bottom of the overflow sleeve, and the overflow sleeve is arranged on the bottom end face of the overflow sleeve, so that the direct impact of slurry on the side face, the bottom and the bottom end face of the overflow sleeve is avoided; the utility model discloses have the effective ground paste of buffering and to overflow the direct impact of cover, prolong the beneficial effect of the life of overflow cover.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the installation of a blocker ring;
figure 3 is a schematic view of the installation of the overflow cap.
Wherein: 1-overflow sleeve; 2-a top cover; 3-an overflow port; 4-a conical plug; 5-a blocking ring; 6-an overflow cap; 01-a first screw; 02-a second screw; 03-nut.
Detailed Description
Example 1:
the adjustable overflow device for the cyclone comprises a cyclone top cover, as shown in fig. 1, wherein a hollow overflow sleeve 1 is slidably inserted into the cyclone top cover, and the inside of the overflow sleeve 1 is in a conical shape with the gradually decreasing drift diameter from top to bottom; an end cover 2 with a flange is coaxially arranged at the top of the overflow sleeve 1, and an overflow port 3 is arranged on the side surface of the upper part of the overflow sleeve 1; a first screw rod 01 penetrates through the center of the end cover 2 and is screwed, the top of the first screw rod 01 extends to the outer side of the overflow sleeve 1, the bottom of the first screw rod 01 is positioned in the overflow sleeve 1, and a conical plug 4 is arranged at the bottom of the first screw rod 01 corresponding to the inner conical surface of the overflow sleeve 1; a second screw 02 is rotatably arranged between the flange of the end cover 2 and the top of the top cover of the cyclone, a nut 03 is sleeved on the second screw 02, and the nut 03 is fixedly connected with the flange of the end cover 2.
The top cover of the cyclone is provided with an overflow sleeve 1 in a penetrating and sliding mode, the bottom of the overflow sleeve 1 extends to the inside of the cyclone, and the top of the overflow sleeve 1 extends to the outside of the cyclone. The overflow sleeve 1 is a hollow cylindrical structure, and the inside of the overflow sleeve 1 is in a conical shape with the drift diameter gradually reduced from top to bottom. The top of overflow cover 1 is fixed or through bolt demountable installation has end cover 2, and the edge of end cover 2 is provided with the flange, is provided with the via hole on the flange. A second screw rod 02 is rotatably arranged between the through hole of the flange of the end cover 2 and the top of the top cover of the cyclone, a nut 03 is sleeved on the second screw rod 02, and the nut 03 is fixedly connected with the flange of the end cover 2. Through rotating second screw rod 02, can drive nut 03 and go up and down in vertical direction, and then drive end cover 2 and overflow cover 1 and go up and down, realize overflow cover 1 in the inside regulation of the depth of insertion of swirler.
When the depth of the overflow sleeve 1 inserted into the cyclone is adjusted, the first screw rod 01 screwed in the center of the end cover 2 can be rotated, so that the first screw rod 01 can be lifted. When the first screw rod 01 is lifted, one end of the first screw rod 01, which is positioned inside the overflow sleeve 1, drives the conical plug 4 to move up and down inside the overflow sleeve 1, when the conical plug 4 moves up and down, the distance between the conical plug 4 and the conical inner wall of the overflow sleeve 1 changes, and the flow field characteristic of slurry entering the overflow sleeve from the inside of the cyclone is further adjusted through the distance between the conical plug 4 and the conical inner wall of the overflow sleeve 1.
Example 2:
the embodiment is further optimized on the basis of the embodiment 1, and the outer wall of the overflow sleeve 1 is provided with scales.
In order to accurately know the height of the overflow sleeve 01 during lifting adjustment, the outer wall of the overflow sleeve 1 is provided with scales, the original scales are recorded before the overflow sleeve 1 is lifted and adjusted, then the adjusted scales are recorded after the overflow sleeve 1 is lifted and adjusted, and the height of the overflow sleeve 1 during lifting adjustment can be known through the difference between the scales of formic acid twice, so that the depth of the overflow sleeve 1 inserted into the cyclone is known.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, as shown in fig. 2, a blocking ring 5 is sleeved outside the bottom of the overflow sleeve 1, and the lower surface of the blocking ring 5 is a circular arc surface.
When slurry enters the interior of the cyclone, the pressure is generally higher, the flow velocity is faster, and the slurry contains particles such as sand and stone, and under the action of high pressure and high flow velocity, the slurry may directly impact the side and the bottom of the overflow sleeve 1. After long-term use, particles in the slurry can abrade the overflow sleeve 1, and the service life of the overflow sleeve 1 is shortened. In order to enable slurry entering the cyclone to directly impact the side face and the bottom of the overflow sleeve 1, a blocking ring 5 is sleeved on the outer side of the bottom of the overflow sleeve 1, and the lower surface of the blocking ring 5 is an arc surface. After meeting the stop ring 5, the short-circuit flow slurry moves to the periphery along the upper surface of the stop ring, so that the slurry is prevented from entering the overflow sleeve 1 and being discharged without grading. Because the baffle ring 5 avoids the slurry from directly scouring the outer wall and the bottom surface of the bottom inlet of the overflow sleeve 1, the abrasion of the overflow sleeve 1 caused by the slurry scouring is relieved. The lower surface of the stop ring 5 is set to be an arc surface, so that the slurry can be prevented from perpendicularly impacting the surface of the stop ring 5, the stress condition of the stop ring 5 is improved, and the wear resistance of the stop ring 5 is improved. The blocking ring 5 can eliminate short-circuit flow and relieve the abrasion of the overflow sleeve 1, thereby improving the classification efficiency of the cyclone and prolonging the service life of the overflow sleeve 1.
Stop ring 5 accessible bolt or buckle demountable installation are in the bottom outside of overflow cover 5, use stop ring 5 wearing and tearing back for a long time, only need with stop ring 5 dismantle change can, avoided whole change overflow cover 1.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, as shown in fig. 3, an overflow cap 6 is disposed at the bottom port of the overflow sleeve 1, and the overflow cap 6 is tapered from top to bottom.
The bottom end face of the overflow sleeve 1 is impacted by the slurry, and the bottom end face of the overflow sleeve 1 is abraded after long-time use. In order to prolong the service time of the overflow sleeve 1, an overflow cap 6 is screwed or clamped at the bottom port of the overflow sleeve 1, and the overflow cap 6 is in a conical shape gradually reducing from top to bottom. The overflow cap 6 can effectively buffer the direct impact of the slurry on the bottom end face of the overflow sleeve 1, and greatly relieve the abrasion of particles in the slurry on the bottom end face of the overflow sleeve 1. Meanwhile, the overflow cap 6 is arranged to be a cone which is gradually reduced from top to bottom, and the inclination angle of the cone is 30-60 degrees, so that the slurry can be prevented from vertically impacting the overflow cap 6, and the service life of the overflow cap 6 is prolonged. After long-term use, the overflow cap 6 is worn, and only the worn overflow cap 6 needs to be detached and replaced.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5:
this embodiment is further optimized on the basis of any of the above embodiments 1 to 4, and a sealing member is disposed at the sliding connection position of the overflow sleeve 1 and the top cover of the cyclone.
When guaranteeing the nimble smooth slip between overflow cover 1 and the swirler top cap, still need guarantee the leakproofness between the sliding connection department of overflow cover 1's outer wall and swirler top cap, avoid the ground paste to reveal from the sliding connection department of overflow cover 1 and swirler top cap. The inner wall of a sliding hole of the top cover of the cyclone is provided with a sealing groove, and sealing elements such as a rubber ring, a sealing ring and the like are arranged in the sealing groove to tightly seal the sliding connection part of the overflow sleeve 1 and the top cover of the cyclone.
Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.
Example 6:
the present embodiment is further optimized on the basis of any one of the embodiments 1 to 5, and handwheels are mounted on the tops of the first screw 01 and the second screw 02.
The hand wheel is arranged at the top of the first screw rod 01 and the top of the second screw rod 02, the first screw rod 01 or the second screw rod 02 can be smoothly rotated by rotating the hand wheel, the operation is more convenient and labor-saving, and electric driving equipment such as a motor and the like can be arranged at the top of the first screw rod 01 or the second screw rod 02 for driving.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. An adjustable overflow device of a swirler comprises a swirler top cover, and is characterized in that a hollow overflow sleeve (1) is slidably inserted on the swirler top cover, and the inside of the overflow sleeve (1) is in a conical shape with the gradually reduced drift diameter from top to bottom; an end cover (2) with a flange is coaxially arranged at the top of the overflow sleeve (1), and an overflow port (3) is arranged on the side surface of the upper part of the overflow sleeve (1); a first screw rod (01) penetrates through the center of the end cover (2) and is screwed, the top of the first screw rod (01) extends to the outer side of the overflow sleeve (1), the bottom of the first screw rod (01) is positioned in the overflow sleeve (1), and a conical plug (4) is arranged at the bottom of the first screw rod (01) corresponding to the inner conical surface of the overflow sleeve (1); a second screw rod (02) is rotatably arranged between the flange of the end cover (2) and the top of the top cover of the cyclone, a nut (03) is sleeved on the second screw rod (02), and the nut (03) is fixedly connected with the flange of the end cover (2).
2. The adjustable overflow device of a cyclone separator according to claim 1, wherein a stop ring (5) is sleeved outside the bottom of the overflow sleeve (1), and the lower surface of the stop ring (5) is a circular arc surface.
3. The adjustable cyclone overflow device according to claim 1 or 2, wherein an overflow cap (6) is provided at the bottom port of the overflow jacket (1), and the overflow cap (6) has a tapered shape gradually decreasing from top to bottom.
4. The adjustable cyclone overflow device as claimed in claim 1, wherein the outer wall of the overflow sleeve (1) is provided with graduations.
5. The adjustable cyclone overflow device as claimed in claim 1, wherein a sealing member is provided at the sliding connection between the overflow sleeve (1) and the top cover of the cyclone.
6. The adjustable cyclone overflow device as claimed in claim 1, wherein handwheels are mounted at the tops of the first screw (01) and the second screw (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269381.4U CN211134338U (en) | 2019-12-17 | 2019-12-17 | Adjustable overflow device of swirler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269381.4U CN211134338U (en) | 2019-12-17 | 2019-12-17 | Adjustable overflow device of swirler |
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| CN211134338U true CN211134338U (en) | 2020-07-31 |
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| CN201922269381.4U Active CN211134338U (en) | 2019-12-17 | 2019-12-17 | Adjustable overflow device of swirler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371358A (en) * | 2020-09-14 | 2021-02-19 | 东北石油大学 | Outflow direction and multiphase product adjustable cyclone separation device |
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
| CN114700167A (en) * | 2022-03-28 | 2022-07-05 | 冯宏伟 | Sea sand crushed shell separation device and use method thereof |
-
2019
- 2019-12-17 CN CN201922269381.4U patent/CN211134338U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371358A (en) * | 2020-09-14 | 2021-02-19 | 东北石油大学 | Outflow direction and multiphase product adjustable cyclone separation device |
| CN112371358B (en) * | 2020-09-14 | 2021-06-11 | 东北石油大学 | Outflow direction and multiphase product adjustable cyclone separation device |
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
| CN114700167A (en) * | 2022-03-28 | 2022-07-05 | 冯宏伟 | Sea sand crushed shell separation device and use method thereof |
| CN114700167B (en) * | 2022-03-28 | 2023-11-24 | 冯宏伟 | Sea sand crushed shell separating device and use method |
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