CN212328621U

CN212328621U - Centrifugal machine rotor piece for direct-flushing feeding

Info

Publication number: CN212328621U
Application number: CN202020412962.9U
Authority: CN
Inventors: 金一华; 杨柳军
Original assignee: Zhejiang Jingyaqing Environmental Protection Technology Co ltd
Current assignee: Zhejiang Jingyaqing Environmental Protection Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-12
Anticipated expiration: 2030-03-27

Abstract

A centrifugal machine rotor piece for direct punching feeding comprises a rotary drum, a spiral conveyor and spiral blades, wherein a small end cover is arranged at the left end of the rotary drum, a large end cover is arranged at the right end of the rotary drum, a connecting end cover is arranged on the inner side of the right end of the spiral conveyor, a feeding pipe is arranged on the inner side of the connecting end cover, the spiral conveyor comprises a connecting portion and a feeding portion, a cavity is arranged on the inner side of the feeding portion, discharge holes are formed in the periphery of the left end of the feeding portion, a sealing plate is arranged at the right end of each discharge hole, a dispersing cone is arranged at the left end of the cavity and is positioned at the left end of the feeding pipe, a first spiral groove is arranged on the outer side of the connecting portion, a second spiral groove is arranged at the left end of the feeding portion, a third spiral groove is arranged at the right end of the feeding, the second blade is connected to the outer side of the second spiral groove in a spiral mode, and the third blade is connected to the outer side of the third spiral groove in a spiral mode.

Description

Centrifugal machine rotor piece for direct-flushing feeding

Technical Field

The utility model relates to a centrifuge technical field especially relates to a centrifuge rotor spare of direct impact feeding.

Background

The centrifugal machine is a machine which utilizes centrifugal force to accelerate the separation of different materials to be separated. The centrifugal machine is widely applied to chemical, petroleum, food, pharmacy, ore dressing, coal, water treatment, ships and other departments. The main principle of the decanter centrifuge is to accelerate the sedimentation velocity of components (solid phase or liquid phase) with different specific gravities in the mixed liquid by the strong centrifugal force generated by the high-speed rotation of the rotor, and separate the substances with different sedimentation coefficients and buoyancy densities in the sample. The structural stability of the centrifuge rotor in the prior art needs to be further enhanced, and the noise is further reduced during the operation of the centrifuge rotor, so that the performance of the centrifuge is improved.

Because centrifuge carries the great solid particle material of deposit on the rotary drum wall to the slag notch through the rotary drum of different rotational speeds and rotor spare, in transportation process, the helical blade in rotor spare outside can be because the striking of solid particle, the extrusion or use wearing and tearing for a long time and damage to lead to this centrifuge's centrifugal effect relatively poor, can not fully separate solid particle and liquid in the liquid, and rotor spare after the damage just need change or can continue to use after returning the factory maintenance, and rotor spare is whole expensive, and cost of maintenance is high, maintenance duration is long.

Disclosure of Invention

The utility model discloses solve the problem that above-mentioned prior art exists, provide a centrifuge rotor spare of direct impact feeding, the device structural design is reasonable, convenient to use, the cost of maintenance of rotor spare is lower, and maintenance duration is shorter.

The utility model provides a technical scheme that its technical problem adopted: the rotor part of the direct-flushing feeding centrifuge comprises a rotary drum and a rotor part which is rotatably connected to the inner side of the rotary drum, wherein the rotor part comprises a spiral conveyor and spiral blades which are positioned on the outer side of the spiral conveyor, the left end of the rotary drum is connected with a small end cover through a screw seal, the right end of the rotary drum is connected with a large end cover through a screw seal, the left end of the rotary drum is provided with a plurality of slag outlets which are uniformly arranged on the large end cover, the right end of the rotary drum is provided with a plurality of water outlets which are uniformly arranged on the large end cover, the inner side of the right end of the spiral conveyor is connected with a connecting end cover through a seal, the right end of the connecting end cover is rotatably connected to the inner side of the large end cover through a bearing, the inner side of the connecting end cover is fixedly connected with a, the periphery of the left end of the feeding part is provided with a plurality of discharge holes connected with the cavity, the right end of each discharge hole is provided with a sealing plate positioned on the inner side of the cavity, the periphery of the sealing plate is fixedly connected on the inner wall of the feeding part, the left end of the feeding pipe penetrates through the sealing plate and is positioned on the left side of the sealing plate, the left end of the cavity is provided with a dispersion cone fixedly connected on the inner side of the feeding part, the dispersion cone is positioned at the left end of the feeding pipe, the outer side of the connecting part is provided with a first spiral groove, the left end of the feeding part is provided with a second spiral groove, the right end of the feeding part is provided with a third spiral groove connected with the second spiral groove, each spiral blade comprises a first blade, a second blade and a third blade, the first blade is spirally connected on the outer side of the first spiral groove, the second blade is spirally connected on the, the third blade spiral connection be in the third helicla flute outside, the third blade left end is connected with the contact of second blade right-hand member, the auger delivery outside is equipped with first helicla flute, second helicla flute and third helicla flute respectively, loops through the helicla flute joint in the auger delivery outside respectively with helical blade for the blade is dismantled after the damage and is changed conveniently, need not maintain or change whole rotor spare, only needs to change the blade that the part damaged, practices thrift cost of maintenance more, also makes the installation of blade and change convenience more.

In order to further perfect, the inner sides of the first blade, the second blade and the third blade are respectively provided with a channel hole, the inner sides of the first blade, the second blade and the third blade are respectively provided with a clamping part, the clamping parts are respectively clamped at the inner sides of the first spiral groove, the second spiral groove and the third spiral groove, and the channel holes are formed, so that when the spiral blade drives solid particles deposited on the inner wall of the rotary drum to move, liquid parts on the solid particles can pass through the spiral blade through the channel holes, and the liquid parts are prevented from being pushed by the spiral blade to overflow through a slag outlet.

Further perfect, first helicla flute, second helicla flute and third helicla flute bottom are the arc shape, the helicla flute is established to the arc shape for helical blade more smooth and easy and convenient when screw in and screw out.

Further perfect, the dispersion awl is equipped with the dispersion inclined plane that a plurality of evenly set up, the dispersion inclined plane reduces the setting gradually from inside to outside, the discharge opening be located with dispersion inclined plane one-to-one is equipped with the dispersion inclined plane that a plurality of slope set up for from the discharge opening fast flow to the discharge opening about the inlet pipe spun liquid can be through dispersion inclined plane, gets into the rotary drum inboard through the discharge opening and avoids the inlet pipe to block up.

Further perfect, connecting portion left end outside threaded connection has the first fixed lid that is located first blade left end, feeding portion right-hand member outside threaded connection has the second fixed lid that is located the third blade right-hand member, is equipped with the fixed lid of first fixed lid and second, avoids helical blade to take place to rock when rotary drum and rotor spare rotate, reduces the noise of this rotor spare at the during operation.

Further perfect, dispersion awl right-hand member is equipped with a plurality of and is used for separating the division board on dispersion inclined plane, is equipped with the division board for liquid from the inlet pipe spun strikes the dispersion inclined plane after the separation effect through the division board, and liquid after the dispersion is thrown away from the discharge hole under the effect of rotatory division board simultaneously, thereby gets into the rotary drum inboard and carries out the separation effect.

The utility model discloses profitable effect is: the utility model has the advantages of reasonable design, convenient to use, the auger delivery outside is equipped with first helicla flute, second helicla flute and third helicla flute respectively, loops through the helicla flute joint respectively in the auger delivery outside for the blade is dismantled after the damage and is changed conveniently, need not maintain or change whole rotor spare, only needs to change the blade that the part damaged, practices thrift cost of maintenance more, and maintenance duration is shorter.

Drawings

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

FIG. 2 is a schematic view of the structure of the screw conveyor;

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

FIG. 4 is a right side view of the screw conveyor and the screw blade;

fig. 5 is a view of the feed portion in the direction B-B.

Description of reference numerals: 1. the device comprises a rotary drum, 2, a screw conveyor, 3, a spiral blade, 4, a small end cover, 5, a large end cover, 6, a slag outlet, 7, a water outlet, 8, a connecting end cover, 9, a feeding pipe, 21, a connecting part, 22, a feeding part, 23, a cavity, 30, a discharging hole, 24, a sealing plate, 25, a dispersing cone, 26, a first spiral groove, 27, a second spiral groove, 28, a third spiral groove, 31, a first blade, 32, a second blade, 33, a third blade, 34, a channel hole, 35, a clamping part, 26, a first spiral groove, 27, a second spiral groove, 28, a third spiral groove, 29, a dispersing inclined plane, 12, a first fixing cover, 10, a second fixing cover, 11 and a partition plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 and 2, in this embodiment, a direct-flushing feeding centrifuge rotor member includes a rotary drum 1 and a rotor member rotatably connected to the inner side of the rotary drum 1, the rotor member includes a screw conveyor 2 and a helical blade 3 located outside the screw conveyor 2, the left end of the rotary drum 1 is connected to a small end cover 4 through a screw seal, the right end of the rotary drum 1 is connected to a large end cover 5 through a screw seal, the left end of the rotary drum 1 is provided with a plurality of slag outlets 6 uniformly arranged, the right end of the rotary drum 1 is provided with a plurality of water outlets 7 uniformly arranged on the large end cover 5, the inner side of the right end of the screw conveyor 2 is connected to a connecting end cover 8 through a screw seal, the right end of the connecting end cover 8 is rotatably connected to the inner side of the large end cover 5 through a bearing, the inner side of the connecting end cover 8 is, the screw conveyor 2 comprises a connecting portion 21 and a feeding portion 22 fixedly connected to the right side of the connecting portion 21, a cavity 23 is arranged on the inner side of the feeding portion 22, a plurality of discharging holes 30 connected with the cavity 23 are formed in the periphery of the left end of the feeding portion 22, a sealing plate 24 located on the inner side of the cavity 23 is arranged at the right end of each discharging hole 30, the periphery of the sealing plate 24 is fixedly connected to the inner wall of the feeding portion 22, the left end of the feeding pipe 9 penetrates through the sealing plate 24 and is located on the left side of the sealing plate 24, a dispersing cone 25 fixedly connected to the inner side of the feeding portion 22 is arranged at the left end of the cavity 23, the dispersing cone 25 is located at the left end of the feeding pipe 9, a first spiral groove 26 is arranged on the outer side of the connecting portion 21, a second spiral groove 27 is arranged at the left end of the feeding portion 22, a third spiral groove 28 connected, A second blade 32 and a third blade 33, the first blade 31 being screwed outside the first spiral groove 26, the second blade 32 is spirally connected to the outer side of the second spiral groove 27, the left end of the second blade 32 is connected with the right end of the first blade 31 in a contact manner, the third blade 33 is spirally connected to the outer side of the third spiral groove 28, the left end of the third blade 33 is connected with the right end of the second blade 32 in a contact manner, the outer side of the screw conveyor 2 is respectively provided with a first spiral groove 26, a second spiral groove 27 and a third spiral groove 28, spiral blades are respectively clamped on the outer side of the screw conveyor through the spiral grooves in sequence, the blade is convenient to disassemble and replace after being damaged, the whole rotor piece does not need to be maintained or replaced, only the partially damaged blade needs to be replaced, maintenance cost is saved more, and the blade is more convenient to install and replace.

As shown in fig. 4, the inner sides of the first blade 31, the second blade 32 and the third blade 33 are all provided with a passage hole 34, the inner sides of the first blade 31, the second blade 32 and the third blade 33 are all provided with a clamping portion 35, the clamping portion 35 is respectively clamped at the inner sides of the first spiral groove 26, the second spiral groove 27 and the third spiral groove 28, and a passage hole 34 is provided, so that when the helical blade drives the solid particles deposited on the inner wall of the rotary drum 1 to move, a liquid part on the solid particles can pass through the helical blade through the passage hole 34, and the liquid part is prevented from being pushed by the helical blade to overflow through the slag outlet 6.

As shown in fig. 3, the bottoms of the first, second and third

spiral grooves

26, 27 and 28 are all in the shape of an arc, and the spiral grooves are in the shape of an arc, so that the helical blades can be screwed in and out more smoothly and conveniently.

As shown in fig. 1 and 5, the dispersion cone 25 is provided with a plurality of uniformly arranged dispersion slopes 29, the dispersion slopes 29 are gradually lowered from inside to outside, the discharge holes 30 are located in one-to-one correspondence with the dispersion slopes 29, and a plurality of obliquely arranged dispersion slopes 29 are provided, so that liquid sprayed from the feed pipe 9 can rapidly flow to the discharge holes 30 from left to right of the dispersion slopes 29, and enters the inner side of the rotary drum 1 through the discharge holes 30 to avoid blockage of the feed pipe 9.

As shown in fig. 2, the outer side of the left end of the connecting portion 21 is in threaded connection with the first fixing cover 12 located at the left end of the first blade 31, the outer side of the right end of the feeding portion 22 is in threaded connection with the second fixing cover 10 located at the right end of the third blade 33, and the first fixing cover 12 and the second fixing cover 10 are arranged, so that the helical blade is prevented from shaking when the rotary drum 1 and the rotor member rotate, and the noise of the rotor member during working is reduced.

As shown in fig. 5, the right end of the dispersion cone 25 is provided with a plurality of partition plates 11 for partitioning the dispersion slope 29, and the partition plates 11 are arranged, so that the liquid sprayed from the feed pipe 9 impacts the dispersion slope 29 after the separation action of the partition plates 11, and the dispersed liquid is thrown out from the discharge hole 30 under the action of the rotating partition plates 11, and enters the inner side of the rotary drum 1 for separation action.

The utility model discloses when needs maintenance, only need take off big end cover 5 through the rotating screw, take out the rotor piece again, take out the rotor piece after will controlling the first fixed lid 12 at both ends and the fixed lid 10 of second and screw down again, will first blade 31 screw out gradually to a left side in first helicla flute 26 earlier, screw out second blade 32 gradually to a left side in following second helicla flute 27 again, screw out third blade 33 gradually to the right side in following third helicla flute 28 at last, change the rotating vane who damages again and can install the use again in proper order to the rotor piece.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a centrifuge rotor spare of vertical impact feeding, includes rotary drum (1), rotates the rotor spare of connection in rotary drum (1) inboard, the rotor spare includes auger delivery ware (2) and helical blade (3) that are located the auger delivery ware (2) outside, there is little end cover (4) rotary drum (1) left end through screw seal connection, rotary drum (1) right-hand member has big end cover (5) through screw seal connection, open rotary drum (1) left end has slag notch (6) that a plurality of evenly set up, rotary drum (1) right-hand member is equipped with a plurality of and evenly opens delivery port (7) on big end cover (5), auger delivery ware (2) right-hand member inboard seal connection has connecting end cover (8), connecting end cover (8) right-hand member passes through the bearing rotation and connects big end cover (5) inboard, connecting end cover (8) inboard fixedly connected with inlet pipe (9), the left end of the feeding pipe (9) is positioned at the inner side of the spiral conveyor (2), and the device is characterized in that: the screw conveyor (2) comprises a connecting part (21) and a feeding part (22) fixedly connected to the right side of the connecting part (21), a cavity (23) is arranged on the inner side of the feeding part (22), a plurality of discharge holes (30) connected with the cavity (23) are formed in the periphery of the left end of the feeding part (22), a sealing plate (24) located on the inner side of the cavity (23) is arranged at the right end of each discharge hole (30), the periphery of each sealing plate (24) is fixedly connected to the inner wall of the feeding part (22), the left end of the feeding pipe (9) penetrates through the sealing plate (24) and is located on the left side of the sealing plate (24), a dispersion cone (25) fixedly connected to the inner side of the feeding part (22) is arranged at the left end of the cavity (23), the dispersion cone (25) is located at the left end of the feeding pipe (9), a first spiral groove (26, the utility model discloses a spiral shell structure, including feeding portion (22), first spiral groove (26), second spiral groove (27), third spiral groove (28), helical blade (32), first blade (31), second blade (32) and third blade (33), first blade (31) screw connection is in first spiral groove (26) outside, second blade (32) screw connection is in second spiral groove (27) outside, second blade (32) left end with first blade (31) right-hand member contact is connected, third blade (33) screw connection be in third spiral groove (28) outside, third blade (33) left end and second blade (32) right-hand member contact are connected.

2. A direct impact feed centrifuge rotor assembly as defined in claim 1, wherein: first blade (31), second blade (32) and third blade (33) inboard all are equipped with passway hole (34), first blade (31), second blade (32) and third blade (33) inboard all are equipped with joint portion (35), joint portion (35) joint respectively first helicla flute (26), second helicla flute (27) and third helicla flute (28) are inboard.

3. A direct impact feed centrifuge rotor assembly as defined in claim 1, wherein: the bottoms of the first spiral groove (26), the second spiral groove (27) and the third spiral groove (28) are all in arc shapes.

4. A direct impact feed centrifuge rotor assembly as defined in claim 1, wherein: dispersion awl (25) are equipped with dispersion inclined plane (29) that a plurality of evenly set up, dispersion inclined plane (29) reduce the setting gradually from inside to outside, be located of discharge opening (30) with dispersion inclined plane (29) one-to-one.

5. A direct impact feed centrifuge rotor assembly as defined in claim 1, wherein: the outer side of the left end of the connecting part (21) is in threaded connection with a first fixed cover (12) located at the left end of the first blade (31), and the outer side of the right end of the feeding part (22) is in threaded connection with a second fixed cover (10) located at the right end of the third blade (33).

6. A direct impact feed centrifuge rotor assembly as defined in claim 4, wherein: the right end of the dispersion cone (25) is provided with a plurality of partition plates (11) for separating the dispersion inclined planes (29).