CN112275453A

CN112275453A - Vertical rotor centrifugal separator

Info

Publication number: CN112275453A
Application number: CN202011202871.3A
Authority: CN
Inventors: 郗俊峰; 周懿; 贺咫崖
Original assignee: Sicoma Zhuhai Co Ltd
Current assignee: Sicoma Zhuhai Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-01-29

Abstract

The invention discloses a vertical rotor centrifugal separator, which comprises a cylinder body, a differential mechanism, a screen basket, a spiral scraper, a screen basket bracket, a main shaft and an outer shaft, wherein the material is conveyed to a discharge port by the spiral scraper while moving by depending on centrifugal force, the moving speed of the material is greatly improved, and the volume and the weight of the centrifugal separator are reduced by adopting a conical screen basket; the material passes through the pan feeding mouth after, through dividing the material awl dispersion, improves the degree of consistency of material at basket surface dispersion, prevents that equipment is inside to block up or the card is dead. The vertical rotor centrifugal separator provided by the invention has the advantages of reasonable structure, convenience in use, safety, reliability, high separation efficiency and the like, and effectively solves the problem that the conventional vertical separator cannot perform continuous separation operation.

Description

Vertical rotor centrifugal separator

Technical Field

The invention relates to the field of centrifugal dehydration equipment, in particular to a vertical rotor centrifugal separator.

Background

In the known technology, a vertical separator is a machine for separating components in liquid and solid particles or a mixture of liquid and liquid by using centrifugal force, is widely applied to solid-liquid separation in the industries of chemical industry, pharmacy, food, environmental protection and the like, and has good social and economic benefits and development prospects.

When an existing vertical separator operates, materials enter a screen drum, centrifugal force is generated through rotation of the screen drum, liquid in the materials is thrown out of the screen drum and remains solid in the screen drum, the separated solid and liquid are discharged respectively, the materials are mainly pushed to move by the centrifugal force in the process, the materials move slowly and are low in working efficiency and easy to block, the rotation needs to be stopped after one-time solid-liquid separation is completed, the solid materials are taken out, and the continuous separation work cannot be carried out. In addition, the existing equipment has complex structure and heavy weight, and is difficult to transport and maintain, so that the invention is necessary to invent a vertical separator which has high efficiency, light weight and easy maintenance.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the problems, the vertical rotor centrifugal separator is provided, has the advantages of reasonable structure, convenience in use, safety, reliability, high separation efficiency and the like, and effectively solves the problem that the conventional vertical separator cannot perform continuous separation operation.

The technical scheme adopted by the invention for solving the technical problems is as follows: a vertical rotor centrifugal separator comprises a cylinder body, a differential mechanism, a screen basket, a spiral scraper, a screen basket bracket, a main shaft and an outer shaft, wherein the cylinder body comprises an upper cover shell and a cylinder body shell; the lower end of the cylinder body shell is provided with a discharge hole, the inner side of the edge of the opening at the upper end of the cylinder body shell is provided with a drainage groove, the drainage groove is provided with an outlet protection ring, the outer wall of the cylinder body shell is provided with a liquid discharge pipe communicated with the drainage groove, a differential mechanism mounting seat is welded in the cylinder body shell, the outer wall of the cylinder body shell is provided with a motor mounting seat, and a motor is mounted on the motor mounting seat;

the upper cover shell is of a hollow cone structure, an upper cover shell flange used for being connected with an opening at the upper end of the cylinder body shell is arranged at the bottom of the upper cover shell, an upper cover lining plate is arranged on the inner side of the upper cover shell, and a feeding hole is formed in the upper cover shell and the upper cover lining plate;

the differential is arranged on the differential mounting seat and is in transmission connection with the motor through a V-shaped belt; the outer shaft is sleeved on the main shaft, the outer shaft and the main shaft are vertically arranged, and the lower ends of the outer shaft and the main shaft are respectively in transmission connection with the differential mechanism;

the screen basket is sleeved in a cavity formed by the lining plate of the upper cover, the screen basket comprises a stainless steel conical screen cylinder, the stainless steel conical screen cylinder is formed by assembling and welding a plurality of fan-shaped screen meshes, an upper flange and a lower flange are respectively welded on the upper end opening and the lower end opening of the stainless steel conical screen cylinder, the upper end opening of the stainless steel conical screen cylinder is vertically aligned with the feed inlet, a vertical reinforcing rib is welded on the surface of the stainless steel conical screen cylinder along a conical bus, and a reinforcing circular ring is horizontally welded on the surface of the stainless steel conical screen cylinder;

the screen basket bracket is sleeved in a conical inner cavity of the stainless steel conical net cylinder and comprises a cone with a hollow cone structure, reinforcing ribs are uniformly arranged at the lower end of the cone in a radial shape, an installation plate is arranged on each reinforcing rib, and a cone flange is welded at the upper end of the cone; the cone flange is fixedly connected with the upper end of the outer shaft, and the mounting plate is connected with the lower flange through a bolt;

the spiral scraper comprises a scraper body with a hollow cone structure and twelve spiral scraper ribs; the scraper body is fixed at the upper end of the main shaft 8 through bolts and keys, the rotating speed of the scraper body is slightly lower than that of the screen basket, and the lower ends of the spiral scraper ribs are twisted towards the rotating direction of the main shaft and welded on the scraper body; the top of the scraper body is also provided with a material distributing cone which is vertically aligned with the feed inlet; the spiral scraper is sleeved in a cavity between the screen basket bracket and the screen basket, and equidistant gaps are formed between ribs of the twelve spiral scrapers and the inner wall of the screen basket.

Furthermore, a mud poking hole is also formed in the outer wall of the cylinder body shell, and a blocking disc is arranged on the mud poking hole.

Further, the outer wall of the cylinder body shell is further provided with a grease pump mounting seat, and a grease pump is connected to the grease pump mounting seat to provide grease lubrication protection for each bearing point.

Further, motor mount pad roof have U type hole for the fore-and-aft distance of adjustment motor, and then the elasticity of adjustment V type belt, motor mount pad bottom has welded the mounting panel of threaded hole, is convenient for install the shrouding, the shrouding is used for preventing the dust direct access pollution transmission system.

Furthermore, the differential mechanism is provided with a differential mechanism shell, a transmission shaft is arranged in the differential mechanism shell, a large belt pulley is fixed on the transmission shaft through a large belt pulley flat key and a second nut, the large belt pulley is in transmission connection with a small belt pulley through a V-shaped belt, and the small belt pulley is in transmission connection with a motor through a taper sleeve; the transmission shaft is also provided with a third gear and a fourth gear through a transmission shaft flat key, the third gear is meshed with the first gear, and the fourth gear is meshed with the second gear.

Further, be equipped with outer horizontal pad, first nut between first gear, the second gear, second gear below is equipped with fourth aligning roller bearing and covers with differential mechanism bottom bearing end cover, the both ends of transmission shaft are connected with differential mechanism casing rotation through deep groove ball bearing respectively, the one end that big belt pulley was kept away from to the transmission shaft is equipped with differential mechanism upper portion bearing end cover, the transmission shaft other end is equipped with second differential mechanism bottom bearing end cover, the oil blanket ring, second O type circle, oil blanket ring mount pad, second skeleton oil blanket lid, be equipped with the gear gasket between third gear and the fourth gear.

Further, the lower extreme and the first gear connection of outer axle, outer axle lower extreme passes outer flat pad and first nut threaded connection simultaneously, and the lower extreme of main shaft passes through the flat key of main shaft and is connected with second gear drive, and the lower extreme and the fourth self-aligning roller bearing of main shaft rotate simultaneously to be connected, are equipped with first self-aligning roller bearing between outer axle upper end and the main shaft, and first self-aligning roller bearing seals through first bearing end cover, is equipped with first skeleton oil blanket between first bearing end cover and the main shaft, and first skeleton oil blanket seals through first skeleton oil blanket lid.

Further, outer epaxial cover be equipped with the bearing frame, bearing frame upper end and outer axle butt and rotation each other, bearing frame lower extreme and differential mechanism casing bolt fastening, both ends are connected with outer axle rotation through second self-aligning roller bearing, third self-aligning roller bearing respectively about the bearing frame, outer epaxial cover is equipped with the bearing spacer ring and separates second self-aligning roller bearing, third self-aligning roller bearing, second self-aligning roller bearing passes through the second bearing end cap and seals, is equipped with first O type circle between second bearing end cap and the outer axle.

The invention has the beneficial effects that: a vertical rotor centrifugal separator comprises a cylinder body, a differential mechanism, a screen basket, a spiral scraper, a screen basket bracket, a main shaft and an outer shaft, wherein materials are moved not only by the centrifugal force, but also by the spiral scraper in the screen basket, the materials are conveyed to a discharge port, the moving speed of the materials is greatly improved, the aim of controlling the material inlet and outlet speed can be achieved by controlling the speed difference between the spiral scraper and the screen basket, solid-liquid separation is carried out while solid and liquid materials are discharged, no machine halt is needed, and the separation efficiency is greatly improved; the conical screen basket is adopted to replace a screen cylinder of a traditional centrifugal separator, and the angle between the screen surface of the screen basket and the rotating shaft line can be greatly reduced, so that the volume and the weight of the centrifugal separator are reduced; the materials enter a space between the screen basket and the scraper through the material inlet and the material separating cone in a dispersing way, so that the uniformity of the materials on the surface of the screen basket in the dispersing way is improved, and the phenomenon that the inside of equipment is blocked or jammed due to uneven thickness of the materials is prevented; the vertical separator has the advantages of reasonable structure, convenience in use, safety, reliability, high separation efficiency and the like, and effectively solves the problem that the existing vertical separator cannot perform continuous separation operation.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the vertical rotor centrifugal separator according to the present invention;

FIG. 2 is a schematic view of the internal overall structure of a vertical rotor centrifugal separator according to the present invention;

FIG. 3 is a schematic diagram of a three-dimensional structure of a cylinder housing of a vertical rotor centrifugal separator according to the present invention;

FIG. 4 is a schematic diagram of a three-dimensional cross-sectional structure of a cylinder housing of a vertical rotor centrifugal separator according to the present invention;

FIG. 5 is a schematic sectional view of a cylinder housing of a vertical rotor centrifugal separator according to the present invention;

FIG. 6 is a schematic top view of a cylinder housing of a vertical rotor centrifugal separator according to the present invention;

FIG. 7 is a schematic view of a connection structure between a differential and a motor of the vertical rotor centrifugal separator according to the present invention;

FIG. 8 is a schematic view of the internal structure of the differential of a vertical rotor centrifuge of the present invention;

FIG. 9 is a schematic view of the connection structure of the upper cover casing, the main shaft, the outer shaft, the material separating cone, the feed inlet, the screen basket bracket, the spiral scraper and the bearing seat of the vertical rotor centrifugal separator according to the present invention;

FIG. 10 is a schematic three-dimensional structure of a basket of a vertical rotor centrifugal separator according to the present invention;

FIG. 11 is a schematic three-dimensional view of a spiral scraper blade of a vertical rotor centrifuge according to the present invention;

FIG. 12 is a cross-sectional view of a spiral scraper blade of a vertical rotor centrifuge according to the present invention;

FIG. 13 is a cross-sectional view of a basket carrier of a vertical rotor centrifugal separator according to the present invention;

FIG. 14 is a top view of a basket carrier for a vertical rotor centrifuge according to the present invention.

The scores in the figures are as follows:

1. feed inlet, 2, upper cover shell, 3, upper cover lining plate, 4, screen basket, 5, spiral scraper, 6, screen basket bracket, 7, material separating cone, 8, main shaft, 9, first skeleton oil seal cover, 10, first skeleton oil seal, 11, first bearing end cover, 12, first self-aligning roller bearing, 13, outer shaft, 14, second bearing end cover, 15, first O-shaped ring, 16, second self-aligning roller bearing, 17, bearing seat, 18, bearing spacing ring, 19, third self-aligning roller bearing, 20, differential shell, 21, first gear, 22, outer shaft flat pad, 23, first nut, 24, second gear, 25 main shaft flat key, 26, fourth self-aligning roller bearing, 27, differential bottom bearing end cover, 28, differential upper bearing end cover, 29, transmission shaft, 30, deep groove ball bearing, 31, third gear, 32, gear gasket, 33, transmission shaft flat key, 34. a fourth gear 35, a second differential bottom bearing end cover 36, an oil seal ring 37, a second O-ring 38, an oil seal ring mounting seat 39, a second skeleton oil seal 40, a second skeleton oil seal cover 41, a large belt pulley flat key 42, a second nut 43, a large belt pulley 44, a V-shaped belt 45, a small belt pulley 46, a taper sleeve 47, a motor 48, a cylinder body 49, an outlet protection ring 50, a drainage groove 51, a drainage pipe 52, a sludge poking hole 53, a differential mounting seat 54, a motor mounting seat 55, a cylinder body shell 56, a discharge port 57, a sealing plate 58, a grease pump mounting seat 59, a grease pump 6-1, a cone 6-2, a reinforcing rib 6-3, a mounting plate 6-4, a cone flange 5-1, a scraper body 5-2, a spiral scraper rib 4-1, a conical scraper body 5-2, a spiral scraper rib 4-1, a spiral scraper body, a motor, a, 4-2 parts of an upper flange, 4-3 parts of a lower flange, 4-4 parts of a vertical reinforcing rib, 4-5 parts of a reinforcing circular ring and a stainless steel conical net cylinder.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

A vertical rotor centrifugal separator as shown in fig. 1 to 14 comprises a cylinder 48, a differential, a basket 4, a spiral scraper 5, a basket carrier 6, a main shaft 8, an outer shaft 13.

As shown in fig. 2, the cylinder 48 includes an upper cover housing 2 and a cylinder housing 55.

As shown in fig. 3, 4, 5, and 6, the lower end of the cylinder housing 55 is provided with a discharge port 56 and a connecting flange, the connecting flange is used for connecting with a receiving groove, the receiving groove is used for collecting separated solid materials, a drainage groove 50 is arranged on the inner side of the edge of the upper opening of the cylinder housing 55, the drainage groove 50 is a continuous circular groove, a side plate of the drainage groove 50 close to one side of the cylinder housing 55 is welded and sealed with the cylinder housing 55, the other side of the drainage groove 50 is provided with an outlet protection ring 49, the outlet protection ring 49 is a circular ring made of a steel plate, the outer wall of the cylinder housing 55 is provided with a liquid discharge pipe 51 communicated with the inner cavity of the drainage groove 50, the inside of the cylinder housing 55 is further welded with a differential mounting seat 53, the outer wall of the cylinder housing 55.

The outer wall of the cylinder body shell 55 is also provided with a mud poking hole 52, the mud poking hole 52 is provided with a blocking disc through bolt connection, and solid materials stuck on the inner cavity wall of the cylinder body 48 can be pushed out through a long rod by loosening the bolt and taking down the blocking disc.

As shown in fig. 9, the upper cover casing 2 has a hollow cone structure, and the smaller end of the upper cover casing 2 is arranged upward, the bottom of the upper cover casing 2 is provided with an upper cover casing flange used for being connected with the upper end opening of the cylinder casing 55, for better connection, the upper end opening of the cylinder casing 55 is also provided with a corresponding flange, the upper end opening of the cylinder casing 55 is connected with the lower end of the upper cover casing 2 through a bolt, the inner side of the upper cover casing 2 is provided with an upper cover lining plate 3, the upper cover lining plate 3 is tightly attached to the inner wall of the upper cover casing 2, namely, the inner cavity of the upper cover lining plate 3 also has a cone structure, the upper cover casing 2 and the upper cover lining plate 3 are provided with a feed inlet 1, the outer end of the feed inlet 1 is connected with a feed delivery pipe, and the lower end of the feed inlet 1 passes.

As shown in fig. 2, the differential is mounted on a differential mounting seat 53, and the differential is in transmission connection with the motor 47 through a V-belt 44; outer axle 13 cover establish on main shaft 8, outer axle 13 and the vertical setting of main shaft 8, the lower extreme of outer axle 13 and main shaft 8 is connected with differential mechanism transmission respectively.

As shown in fig. 8, the differential has a differential case 20, a transmission shaft 29 is arranged in the differential case 20, a large belt pulley 43 is fixed on the transmission shaft 29 through a large belt pulley flat key 41 and a second nut 42, the large belt pulley 43 is in transmission connection with a small belt pulley 45 through a V-shaped belt 44, and the small belt pulley 45 is in transmission connection with a motor 47 through a taper sleeve 46; the transmission shaft 29 is further provided with a third gear 31 and a fourth gear 34 through a transmission shaft flat key 33, the third gear 31 is meshed with the first gear 21, the fourth gear 34 is meshed with the second gear 24, different rotating speeds are respectively generated on the first gear 21 and the second gear 24 through matching of the gears, and the rotating speed of the first gear 21 is lower than that of the second gear 24.

As shown in fig. 8, an outer horizontal pad 22 and a first nut 23 are disposed between the first gear 21 and the second gear 24, a fourth self-aligning roller bearing 26 is disposed below the second gear 24 and covered by a differential bottom bearing end cap 27, two ends of a transmission shaft 29 are rotatably connected to the differential case 20 through deep groove ball bearings 30, respectively, and a differential upper bearing end cap 28 is disposed at one end of the transmission shaft 29 away from the large belt pulley 43.

As shown in fig. 8, a second differential bottom bearing end cover 35 sealing deep groove ball bearing is arranged at the other end of the transmission shaft 29, an oil seal ring 36 is sleeved between the second differential bottom bearing end cover 35 and the main shaft 8, a second O-ring 37 is arranged on the oil seal ring 36, an oil seal ring mounting seat 38 is further sleeved on the main shaft 8, one end of the oil seal ring mounting seat 38 compresses the second O-ring 37, a second skeleton oil seal 39 is arranged at the other end of the oil seal ring mounting seat 38, the second skeleton oil seal 39 is sealed through a second skeleton oil seal cover 40, and a gear gasket 32 is arranged between the third gear 31 and the fourth gear 34.

As shown in fig. 2, the lower end of the outer shaft 13 passes through the second gear 24 and the first gear 21 to be in transmission connection, while the lower end of the outer shaft 13 passes through the outer shaft flat gasket 22 and the first nut 23 to be in threaded connection, so as to lock the outer shaft 13 and the first gear 21 to each other, the lower end of the main shaft 8 passes through the main shaft flat key 25 and the second gear 24 to be in transmission connection, and the lower end of the main shaft 8 is in rotational connection with the fourth self-aligning roller bearing 26.

As shown in fig. 9, a first self-aligning roller bearing 12 is arranged between the upper end of the outer shaft 13 and the main shaft 8, the first self-aligning roller bearing 12 is sealed by a first bearing end cover 11, a first skeleton oil seal 10 is arranged between the first bearing end cover 11 and the main shaft 8, and the first skeleton oil seal 10 is sealed by a first skeleton oil seal cover 9, so that the outer shaft 13 and the main shaft 8 rotate mutually without interfering with each other.

As shown in fig. 9, the outer axle 13 on the cover be equipped with the bearing frame 17, bearing frame 17 upper end and outer axle 13 butt and rotation each other, as shown in fig. 2, bearing frame 17 lower extreme and differential mechanism casing 20 bolt fastening, as shown in fig. 9, bearing frame 17 upper and lower both ends are connected with outer axle 13 rotation through second self-aligning roller bearing 16, third self-aligning roller bearing 19 respectively, the cover is equipped with bearing spacer ring 18 on the outer axle 13 and separates second self-aligning roller bearing 16, third self-aligning roller bearing 19, second self-aligning roller bearing 16 is sealed through second bearing end cover 14, be equipped with first O type circle 15 between second bearing end cover 14 and the outer axle.

As shown in fig. 2, 9 and 10, the screen basket 4 is sleeved in a cavity formed by the upper cover lining plate 3, the screen basket 4 comprises a stainless steel conical mesh cylinder 4-5, wherein the stainless steel conical mesh cylinder 4-5 is formed by assembling and welding a plurality of fan-shaped screen meshes, the smaller end of the stainless steel conical mesh cylinder 4-5 is arranged upwards, the upper end and the lower end of the stainless steel conical mesh cylinder 4-5 are respectively provided with an opening, an upper flange 4-1 and a lower flange 4-2 are respectively welded on the openings at the upper end and the lower end of the stainless steel conical mesh cylinder 4-5, the opening at the upper end of the stainless steel conical mesh cylinder 4-5 is vertically aligned with the feed port 1, a vertical reinforcing rib 4-3 is welded on the surface of the stainless steel conical mesh cylinder 4-5 along a conical bus, and a reinforcing ring 4-4 is horizontally welded on the surface of the stainless steel conical mesh cylinder 4-.

As shown in fig. 2, 13 and 14, the screen basket bracket 6 is sleeved in a conical inner cavity of a stainless steel conical mesh cylinder 4-5, the screen basket bracket 6 comprises a cone 6-1 with a hollow cone structure, the smaller end of the cone 6-1 is arranged upwards, reinforcing ribs 6-2 are uniformly arranged at the lower end of the cone 6-1 in a radial shape, two reinforcing ribs 6-2 are arranged in one group, one end of each group of reinforcing ribs 6-2 is welded with the bottom of the cone 6-1, the other end of each group of reinforcing ribs 6-2 is welded with a mounting plate 6-3, and the upper end of the cone 6-1 is welded with a cone flange 6-4; the cone flange 6-4 is fixedly connected with the upper end of the outer shaft 13, and the mounting plate 6-3 is connected with the lower flange 4-2 at the bottom of the screen basket 4 through bolts.

As shown in fig. 2, 9 and 11, the spiral blade 5 includes a blade body 5-1 having a hollow cone structure, twelve spiral blade ribs 5-2; the scraper body 5-1 is fixed at the upper end of the main shaft 8 through a bolt and a key, and the lower end of the spiral scraper rib 5-2 is twisted towards the rotation direction of the main shaft 8 and welded on the scraper body 5-1; the top of the scraper body 5-1 is also provided with a material separating cone 7 vertically aligned with the feed inlet 1, and materials enter from the feed inlet 1 and then are dispersed by the material separating cone 7 to enter a cavity between the screen basket 4 and the spiral scraper 5; the spiral scraper 5 is sleeved in a cavity between the screen basket bracket 6 and the screen basket 4, the smaller end of the scraper body 5-1 is arranged upwards, and equidistant gaps are formed between twelve spiral scraper ribs 5-2 and the inner wall of the screen basket 4.

As shown in fig. 2, the motor 47 rotates in the paper surface, and through the transmission of the V-belt 44 and the differential, the main shaft 8 and the outer shaft 13 rotate out of the paper surface, as shown in fig. 11, the lower end of the spiral scraper rib 5-2 on the spiral scraper 5 twists toward the rotation direction of the main shaft 8, because the rotation speed of the spiral scraper 5 is slightly lower than that of the screen basket 4, which is equivalent to that the screen basket 4 rotates out of the paper surface and the spiral scraper 5 rotates in the paper surface, when the spiral scraper 5 rotates, the spiral scraper rib 5-2 scrapes off the solid material on the inner wall of the screen 4 and presses down the lower discharge port 56, and finally discharges the solid material from the discharge port.

The outer wall of the cylinder body shell 55 is further provided with a grease pump mounting seat 58, and a grease pump 59 is connected to the grease pump mounting seat 58 to provide grease lubrication protection for each bearing point.

The top plate of the motor mounting seat 54 is provided with a U-shaped hole for adjusting the front-back distance of the motor 47 and further adjusting the tightness degree of the V-shaped belt 44, a mounting plate with a threaded hole is welded at the bottom of the motor mounting seat 54, a sealing plate 57 is convenient to mount, and the sealing plate 57 is used for preventing dust from directly entering the pollution transmission system.

The invention relates to a vertical rotor centrifugal separator which is reasonable in structure and comprises a cylinder body, a differential mechanism, a screen basket, a spiral scraper, a screen basket bracket, a main shaft and an outer shaft, wherein centrifugal force is generated by mechanical rotation, so that solid-liquid mixture is separated;

the material is moved not only by the centrifugal force, but also by the spiral scraper in the screen basket, the material is sent to the discharge hole, the moving speed of the material is greatly improved, the purpose of controlling the material inlet and outlet speed can be achieved by controlling the speed difference between the spiral scraper and the screen basket, the solid-liquid separation is carried out while the solid and liquid materials are discharged, the machine halt is not needed, and the separation efficiency is greatly improved; the conical screen basket is adopted to replace a screen cylinder of a traditional centrifugal separator, and the angle between the screen surface of the screen basket and the rotating shaft line can be greatly reduced, so that the volume and the weight of the centrifugal separator are reduced; the material passes through the pan feeding mouth, gets into the space between basket and the scraper through dividing the material awl dispersion, improves the degree of consistency of material at basket surface dispersion, prevents that material thickness is uneven, leads to the inside jam of equipment or the card dies.

The vertical separator has the advantages of reasonable structure, convenience in use, safety, reliability, high separation efficiency and the like, and effectively solves the problem of low separation efficiency of the conventional vertical separator.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A vertical rotor centrifugal separator is characterized in that: the differential mechanism comprises a cylinder body (48), a differential mechanism, a screen basket (4), a spiral scraper (5), a screen basket bracket (6), a main shaft (8) and an outer shaft (13), wherein the cylinder body (48) comprises an upper cover shell (2) and a cylinder body shell (55); a discharge hole (56) is formed in the lower end of the cylinder body shell (55), a drainage groove (50) is formed in the inner side of the edge of an opening in the upper end of the cylinder body shell (55), an outlet protection ring (49) is arranged on the drainage groove (50), a liquid discharge pipe (51) communicated with the drainage groove (50) is arranged on the outer wall of the cylinder body shell (55), a differential mechanism mounting seat (53) is further welded in the cylinder body shell (55), a motor mounting seat (54) is mounted on the outer wall of the cylinder body shell (55), and a motor (47) is mounted on the motor mounting seat (54);

the upper cover shell (2) is of a hollow cone structure, an upper cover shell flange used for being connected with an opening at the upper end of the cylinder body shell (55) is arranged at the bottom of the upper cover shell (2), an upper cover lining plate (3) is arranged on the inner side of the upper cover shell (2), and feed inlets (1) are formed in the upper cover shell (2) and the upper cover lining plate (3);

the differential is arranged on a differential mounting seat (53) and is in transmission connection with a motor (47) through a V-shaped belt (44); the outer shaft (13) is sleeved on the main shaft (8), the outer shaft (13) and the main shaft (8) are vertically arranged, and the lower ends of the outer shaft (13) and the main shaft (8) are respectively in transmission connection with the differential mechanism;

the screen basket (4) is sleeved in a cavity formed by the upper cover lining plate (3), the screen basket (4) comprises a stainless steel conical mesh cylinder (4-5), the stainless steel conical mesh cylinder is formed by assembling and welding a plurality of fan-shaped screen meshes, an upper flange (4-1) and a lower flange (4-2) are respectively welded on openings at the upper end and the lower end of the stainless steel conical mesh cylinder (4-5), an opening at the upper end of the stainless steel conical mesh cylinder (4-5) is vertically aligned with the feed port (1), a vertical reinforcing rib (4-3) is welded on the surface of the stainless steel conical mesh cylinder (4-5) along a conical bus, and a reinforcing circular ring (4-4) is horizontally welded on the surface of the stainless steel conical mesh cylinder (4-5);

the screen basket bracket (6) is sleeved in a conical inner cavity of the stainless steel conical mesh cylinder (4-5), the screen basket bracket (6) comprises a cone (6-1) with a hollow cone structure, reinforcing ribs (6-2) are uniformly arranged at the lower end of the cone (6-1) in a radial shape, a mounting plate (6-3) is arranged on the reinforcing ribs (6-2), and a cone flange (6-4) is welded at the upper end of the cone (6-1); the cone flange (6-4) is fixedly connected with the upper end of the outer shaft (13), and the mounting plate (6-3) is connected with the lower flange (4-2) through bolts;

the spiral scraper (5) comprises a scraper body (5-1) with a hollow cone structure and twelve spiral scraper ribs (5-2); the scraper body (5-1) is fixed at the upper end of the main shaft 8 through bolts and keys, the rotating speed of the scraper body is slightly lower than that of the screen basket (4), and the lower ends of the spiral scraper ribs (5-2) are twisted towards the rotating direction of the main shaft (8) and welded on the scraper body (5-1); the top of the scraper body (5-1) is also provided with a material distributing cone (7) which is vertically aligned with the feed inlet; the spiral scraper (5) is sleeved in a cavity between the screen basket bracket (6) and the screen basket (4), and equidistant gaps are formed between the twelve spiral scraper ribs (5-2) and the inner wall of the screen basket (4).

2. A vertical rotor centrifuge as defined in claim 1 wherein: the outer wall of the cylinder body shell (55) is also provided with a mud poking hole (52), and the mud poking hole (52) is provided with a blocking disc.

3. A vertical rotor centrifuge as defined in claim 1 wherein: the outer wall of cylinder body casing (55) on still be equipped with grease pump mount pad (58), be connected with grease pump (59) on grease pump mount pad (58) and provide the lubricated protection of butter for each bearing point.

4. A vertical rotor centrifuge as defined in claim 1 wherein: the motor mounting seat (54) roof have U type hole for the fore-and-aft distance of regulation motor (47), and then the elasticity degree of adjustment V type belt (44), the mounting panel of threaded hole has been welded to motor mounting seat (54) bottom, be convenient for install shrouding (57), shrouding (57) are used for preventing the dust directly to get into and pollute transmission system.

5. A vertical rotor centrifuge as defined in claim 1 wherein: the differential is provided with a differential shell (20), a transmission shaft (29) is arranged in the differential shell (20), a large belt pulley (43) is fixed on the transmission shaft (29) through a large belt pulley flat key (41) and a second nut (42), the large belt pulley (43) is in transmission connection with a small belt pulley (45) through a V-shaped belt (44), and the small belt pulley (45) is in transmission connection with a motor (47) through a taper sleeve (46); the transmission shaft (29) is also provided with a third gear (31) and a fourth gear (34) through a transmission shaft flat key (33), the third gear (31) is meshed with the first gear (21), and the fourth gear (34) is meshed with the second gear (24).

6. A vertical rotor centrifuge as defined in claim 5 wherein: first gear (21), be equipped with outer horizontal gasket (22) between second gear (24), first nut (23), second gear (24) below is equipped with fourth self-aligning roller bearing (26) and covers with differential mechanism bottom bearing end cover (27), the both ends of transmission shaft (29) are rotated through deep groove ball bearing (30) and differential mechanism casing (20) respectively and are connected, the one end of keeping away from big belt pulley (43) in transmission shaft (29) is equipped with differential mechanism upper portion bearing end cover (28), transmission shaft (29) other end is equipped with second differential mechanism bottom bearing end cover (35), oil seal ring (36), second O type circle (37), oil seal ring mount pad (38), second skeleton oil blanket (39), second skeleton oil seal lid (40), be equipped with gear gasket (32) between third gear (31) and fourth gear (34).

7. A vertical rotor centrifuge as defined in any one of claims 5 or 6 wherein: the lower extreme and first gear (21) of outer axle (13) are connected, outer axle (13) lower extreme passes outer flat pad (22) and first nut (23) threaded connection simultaneously, the lower extreme of main shaft (8) passes through main shaft parallel key (25) and second gear (24) transmission is connected, the lower extreme and fourth self-aligning roller bearing (26) of main shaft (8) rotate simultaneously and are connected, be equipped with first self-aligning roller bearing (12) between outer axle (13) upper end and main shaft (8), first self-aligning roller bearing (12) are sealed through first bearing end cover (11), be equipped with first skeleton oil blanket (10) between first bearing end cover (11) and main shaft (8), first skeleton oil blanket (10) are sealed through first skeleton oil seal lid (9).

8. A vertical rotor centrifuge as defined in claim 5 wherein: outer axle (13) on the cover be equipped with bearing frame (17), bearing frame (17) upper end and outer axle (13) butt and rotate each other, bearing frame (17) lower extreme and differential mechanism casing (20) bolt fastening, bearing frame (17) are gone up both ends and are passed through second self-aligning roller bearing (16) respectively, third self-aligning roller bearing (19) rotate with outer axle (13) and are connected, the cover is equipped with bearing spacer ring (18) and separates second self-aligning roller bearing (16), third self-aligning roller bearing (19) on outer axle (13), second self-aligning roller bearing (16) are closed through second bearing end cover (14), be equipped with first O type circle (15) between second bearing end cover (14) and the outer axle.