CN215313181U

CN215313181U - Centrifugal machine

Info

Publication number: CN215313181U
Application number: CN202120313045.XU
Authority: CN
Inventors: 牛巍; 张晓臣; 李萍; 齐斐
Original assignee: Hubei Guangfulin Biological Preparation Co ltd
Current assignee: Hubei Guangfulin Biological Preparation Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-28
Anticipated expiration: 2031-02-03

Abstract

A centrifuge, comprising: the oil tank is fixed on the base, and a bearing seat is fixed at the upper end of the oil tank; a hollow shaft; the thrust oil cylinder is vertically arranged, and the right end of the cylinder body of the thrust oil cylinder is rotatably arranged on the bearing seat through a second rolling bearing; the right end of the thrust oil cylinder is fixedly connected with the left end of the hollow shaft, a piston rod of the thrust oil cylinder extends into the hollow shaft in a right sliding manner, and a channel is formed in the axis of the piston rod of the thrust oil cylinder; the hydraulic component is fixedly arranged on the bearing seat; the housing is fixed at the right end of the bearing seat; the material pushing shaft can be arranged in the hollow shaft in a left-right sliding manner, and the right end of the material pushing shaft extends out of the hollow shaft and extends into the housing; a second end plate; a secondary drum; a first end plate; a first-stage rotary drum; a feed pipe; the second end plate is fixedly connected with the left ends of a plurality of guide pillars horizontally arranged left and right, and the middle ends of the guide pillars are movably arranged through the first end plate towards the right and then fixedly connected with a first scraping plate; an annular second scraping plate is fixed at the right end of the first-stage rotary drum.

Description

Centrifugal machine

Technical Field

The utility model relates to the technical field of separation equipment, in particular to a centrifugal machine.

Background

In the second step of reaction oxidation reaction for producing mesotrione, after a crystal nucleus agent is required to be added into a nitrifying liquid, nitric acid is dripped at about 140 ℃ for oxidation, the crude product of the oxidation product 2-nitro-4-methylsulfonylbenzoic acid is obtained through separation after temperature reduction, insoluble impurities and the crystal nucleus agent are removed through centrifugation after alkali liquor dissolution during refining, and then hydrochloric acid is added, the temperature reduction, the centrifugation and the rinsing are carried out. The hydrochloric acid is added, and then the hydrochloric acid is centrifuged by a horizontal screw centrifuge, the centrifuge has low separation factor and high liquid content of filter materials, so that the oxidation products need to consume a large amount of energy during subsequent drying.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a centrifuge, which can carry out sufficient centrifugal filtration on the oxidation product so as to enable a filter material to reach a lower liquid content.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a centrifuge, comprising:

the oil tank and the base are fixed on the base, and a bearing seat is fixed at the upper end of the oil tank;

the hollow shaft is horizontally arranged from left to right and rotatably penetrates through the bearing seat from left to right through a first rolling bearing;

the thrust oil cylinder is vertically arranged, and the right end of the cylinder body of the thrust oil cylinder is rotatably arranged on the bearing seat through a second rolling bearing; the right end of the thrust oil cylinder is fixedly connected with the left end of the hollow shaft, a piston rod of the thrust oil cylinder extends into the hollow shaft in a right sliding manner, and a channel is formed in the axis of the piston rod of the thrust oil cylinder;

the hydraulic component is fixedly arranged on the bearing seat, the hydraulic component is communicated with the right end of the channel through a communicating channel formed in the bearing seat, and the left end of the channel is communicated to the inner cavity of the thrust oil cylinder through a piston controlling the thrust oil cylinder;

the motor is fixedly arranged on the base, and a motor shaft of the motor is in transmission connection with the outer wall of the cylinder body of the thrust oil cylinder through a belt;

the housing is fixed at the right end of the bearing seat;

the material pushing shaft is arranged in the hollow shaft in a left-right sliding mode, and the right end of the material pushing shaft extends out of the hollow shaft and extends into the housing;

a circular second end plate coaxially and vertically fixed to a right end of the hollow shaft;

the left end of the secondary drum is fixed on the second end plate and is positioned in the housing, and a second leak hole is formed in the side wall of the secondary drum; a secondary filter screen is coaxially fixed on the inner wall of the secondary rotary drum;

the first end plate is of a circular shape and is coaxially fixed at the right end of the material pushing shaft;

the left end of the first-stage rotary drum is coaxially fixed on the first end plate and is positioned in the second-stage rotary drum, and the two axial ends of the first-stage rotary drum are opened; a first leakage hole is formed in the side wall of the first-stage rotary drum; a primary filter screen is coaxially fixed on the inner wall of the primary rotary drum;

the feeding pipe is fixed on the housing, and one end of the feeding pipe extends into the housing towards the left and is opposite to the first end plate towards the left;

the bottom of the housing is provided with a liquid discharge port which faces upwards and is right opposite to the secondary rotary drum; the bottom of the housing is provided with a filter material discharge opening positioned on the right side of the secondary rotary drum; the second end plate is fixedly connected with the left ends of a plurality of guide pillars horizontally arranged left and right, and the middle ends of the guide pillars are movably arranged through the first end plate towards the right and then fixedly connected with a first scraping plate; the first scraping plate is coaxially arranged in the primary rotary drum, and the periphery of the first scraping plate radially abuts against the primary filter screen; one end of the feeding pipe faces to the left and is opposite to the first scraping plate; an annular second scraping plate is fixed at the right end of the first-stage rotary drum, and the periphery of the second scraping plate radially abuts against the second-stage filter screen.

Preferably, a striker plate is coaxially arranged on the right side of the first scraper plate, and one end of the feed pipe penetrates through the striker plate towards the left.

Preferably, a plurality of washing spray pipes are fixed on the outer wall of the housing, and one ends of the washing spray pipes extend into the housing and face the striker plate towards the left.

Preferably, the right end of the top of the housing is provided with a cleaning port.

Preferably, an overflow port is arranged at the lower part of the left end of the casing.

Preferably, the bottom of the motor is connected to the base through a plurality of dampers.

Preferably, an oil tank radiator is fixedly attached to a side wall of the oil tank.

According to the centrifuge, the filter material on the filter screen is scraped through two-stage centrifugal filtration and hydraulic driving, so that the filter screen cannot be blocked even if the centrifuge continuously works at a high rotating speed, the liquid content in the filter material can be greatly reduced, and the energy consumption in the subsequent drying process is reduced.

Drawings

FIG. 1 is a schematic structural view of a centrifuge according to a preferred embodiment of the present invention;

description of reference numerals: 1. a motor; 2. a shock absorber; 3. a base; 4. a base; 5. a thrust oil cylinder; 6. a belt; 7. a channel; 8. a piston rod (8); 9. a sliding shaft sleeve; 10. an oil tank; 11. a hydraulic component; 12. a hollow shaft; 13. a material pushing shaft; 14. a bearing seat; 15. an oil tank radiator; 16. a second end plate; 17. a guide post; 18. a secondary drum; 19. a housing; 20. a first scraper plate; 21. a first-stage rotary drum; 22. a first-stage filter screen; 23. a striker plate; 24. a second scraper plate; 25. a secondary filter screen; 26. washing the spray pipe; 27. cleaning the opening; 28. a feed pipe; 29. a filter material discharge opening; 30. a liquid discharge port; 31. an overflow port; 32. a first end plate;

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1, the centrifuge of the present invention includes a base 4, a motor 1, a bearing seat 14, an oil tank 10, a base 3, a hollow shaft 12, a thrust cylinder 5, a hydraulic component 11, a motor 1, a housing 19, a material pushing shaft 13, a second end plate 16, a secondary drum 18, a first end plate 32, a primary drum 21, a feeding pipe 28, and a second scraper 24.

Wherein the fuel tank 10 and the base 3 are fixed to the base 4. The bearing housing 14 is fixed to the upper end of the fuel tank 10. The hollow shaft 12 is horizontally arranged left and right and rotatably penetrates the bearing seat 14 left and right through the first rolling bearing. The thrust oil cylinder 5 is vertically arranged, and the right end of the cylinder body of the thrust oil cylinder is rotatably arranged on the bearing seat 14 through a second rolling bearing. The right end of the thrust oil cylinder 5 is fixedly connected with the left end of the hollow shaft 12. The piston rod 8 of the thrust cylinder 5 extends into the hollow shaft 12 in a sliding manner towards the right. A sliding shaft sleeve 9 is arranged between the piston rod 8 and the hollow shaft 12. The axial center of a piston rod 8 of the thrust oil cylinder 5 is provided with a channel 7. The hydraulic component 11 is fixedly arranged on the bearing seat 14 and is connected with the oil tank 10. A tank radiator 15 is attached and fixed to a side wall of the tank 10. The hydraulic component 11 is communicated with the right end of the channel 7 through a communication channel which is arranged in the bearing seat 14. The left end of the channel 7 is communicated to the inner cavity of the thrust oil cylinder 5 through a piston of the control thrust oil cylinder 5.

The motor 1 is fixedly arranged on the base 3. The motor shaft of the motor 1 is in transmission connection with the outer wall of the cylinder body of the thrust oil cylinder 5 through a belt 6. The cover 19 is fixed to the right end of the bearing housing 14. The material pushing shaft 13 is arranged in the hollow shaft 12 in a left-right sliding manner, and another sliding shaft sleeve is arranged between the material pushing shaft 13 and the hollow shaft 12. The right end of the material pushing shaft 13 extends out of the hollow shaft 12 and extends into the housing 19.

The second end plate 16 is circular and is coaxially and vertically fixed to the right end of the hollow axle 12. The left end of the secondary drum 18 is similarly fixed to the second end plate 16 and is located within the housing 19. The side wall of the secondary rotary drum 18 is provided with a plurality of first leakage holes. A secondary filter screen 25 is coaxially fixed on the inner wall of the secondary rotary drum 18.

The first end plate 32 is coaxially fixed to the right end of the pusher shaft 13. The left end of the primary drum 21 is coaxially fixed to the first end plate 32 and is located within the secondary drum 18. The primary drum 21 is open at both axial ends. A plurality of first leakage holes are formed in the side wall of the first-stage rotary drum 21. A primary filter screen 22 is coaxially fixed on the inner wall of the primary rotary drum 21.

The feed tube 28 is fixed to the housing 19 with one end projecting into the housing 19 towards the left and facing the first end plate 32 towards the left. The bottom of the housing 19 is provided with a liquid discharge port 30 facing upward and facing the secondary drum 18. An overflow port 31 is provided at the lower portion of the left end of the housing 19.

The bottom of the housing 19 is provided with a filter material discharge opening 29 at the right side of the secondary drum 18. The second end plate 16 is fixedly connected to the left ends of a plurality of guide posts 17 horizontally arranged on the left and right. The middle end of the guide post 17 is movably inserted through the first end plate 32 towards the right and then fixedly connected with a first scraper plate 20. The first scraper plate 20 is coaxially disposed within the primary drum 21. The periphery of the first scraper plate 20 is radially adjacent to the first filter screen 22. One end of the feed pipe 28 faces the first scraper plate 20 toward the left. An annular second scraper plate 24 is fixed at the right end of the primary rotary drum 21. The periphery of the second scraper plate 24 is radially adjacent to the secondary filter screen 25.

The centrifuge of the present invention is in operation. The motor 1 drives the thrust oil cylinder 5 and the material pushing shaft 13 to rotate. And then the feed impacts the first scraper plate 20 and is dispersed into the first-stage rotary drum 21 to be centrifugally filtered by the first-stage filter screen 22. Then the filter material is filtered by a second-stage filter screen 25 on the second-stage rotary drum 18, and the filter material can drive a second scraper 24 to scrape the material towards the right through the thrust oil cylinder 5 to scrape the material towards the right on the second-stage filter screen 25. The thrust cylinder 5 drives the primary filter screen 22 to move towards the left relative to the first scraper 20 during the reverse stroke. The first scraper plate 20 scrapes the filter material on the primary filter screen 22 to the right.

In other embodiments, it is preferable that the striker plate 23 is coaxially disposed at the right side of the first scraper plate 20. One end of the feed pipe 28 penetrates the striker plate 23 towards the left. This avoids that part of the feed will spill towards the right without being filtered.

In other embodiments, it is preferred that a plurality of wash lances 26 be secured to the outer wall of casing 19. One end of the wash nozzle 26 extends into the housing 19 and faces the striker plate 23 to the left. The top right end of the housing 19 is provided with a cleaning port 27. Thus, the filter screen can be conveniently cleaned.

To reduce noise during operation, the bottom of the motor 1 is preferably connected to the base 3 by a plurality of dampers 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A centrifuge, comprising:

the oil tank (10) and the base (3) are fixed on the base (4), and a bearing seat (14) is fixed at the upper end of the oil tank (10);

the hollow shaft (12) is horizontally arranged left and right, and the bearing seat (14) is rotatably arranged in a left and right penetrating manner through the hollow shaft (12) through a first rolling bearing;

the thrust oil cylinder (5) is vertically arranged, and the right end of a cylinder body of the thrust oil cylinder (5) is rotatably arranged on the bearing seat (14) through a second rolling bearing; the right end of the thrust oil cylinder (5) is fixedly connected with the left end of the hollow shaft (12), a piston rod (8) of the thrust oil cylinder (5) extends into the hollow shaft (12) in a right sliding manner, and a channel (7) is formed in the axis of the piston rod (8) of the thrust oil cylinder (5);

the hydraulic component (11) is fixedly arranged on the bearing seat (14), the hydraulic component (11) is communicated with the right end of the channel (7) through a communicating channel formed in the bearing seat (14), and the left end of the channel (7) is communicated to the inner cavity of the thrust oil cylinder (5) through controlling a piston of the thrust oil cylinder (5);

the motor (1) is fixedly arranged on the base (3), and a motor shaft of the motor (1) is in transmission connection with the outer wall of the cylinder body of the thrust oil cylinder (5) through a belt (6);

a cover shell (19) fixed at the right end of the bearing seat (14);

the material pushing shaft (13) is arranged in the hollow shaft (12) in a left-right sliding manner, and the right end of the material pushing shaft (13) extends out of the hollow shaft (12) and extends into the housing (19);

a circular second end plate (16), said second end plate (16) being coaxially and vertically fixed to the right end of said hollow shaft (12);

the left end of the secondary drum (18) is fixed on the second end plate (16) and is positioned in the housing (19), and a second leakage hole is formed in the side wall of the secondary drum (18); a secondary filter screen (25) is coaxially fixed on the inner wall of the secondary rotary drum (18);

a circular first end plate (32), wherein the first end plate (32) is coaxially fixed at the right end of the material pushing shaft (13);

the left end of the primary drum (21) is coaxially fixed on the first end plate (32) and is positioned in the secondary drum (18), and two axial ends of the primary drum (21) are opened; a first leak hole is formed in the side wall of the first-stage rotary drum (21); a primary filter screen (22) is coaxially fixed on the inner wall of the primary rotary drum (21);

a feed pipe (28) fixed to the housing (19), one end of the feed pipe (28) extending into the housing (19) toward the left and facing the first end plate (32) toward the left;

wherein, the bottom of the housing (19) is provided with a liquid discharge port (30) which faces upwards and is opposite to the secondary rotary drum (18); the bottom of the housing (19) is provided with a filter material discharge opening (29) positioned on the right side of the secondary rotary drum (18); the second end plate (16) is fixedly connected with the left ends of a plurality of guide pillars (17) horizontally arranged left and right, and the middle ends of the guide pillars (17) penetrate through the first end plate (32) towards the right and are fixedly connected with a first scraping plate (20); the first scraping plate (20) is coaxially arranged in the primary rotary drum (21), and the periphery of the first scraping plate (20) radially abuts against the primary filter screen (22); one end of the feeding pipe (28) faces the first scraper plate (20) towards the left; an annular second scraping plate (24) is fixed at the right end of the primary rotary drum (21), and the periphery of the second scraping plate (24) radially approaches the secondary filter screen (25).

2. The centrifuge according to claim 1, characterized in that a striker plate (23) is coaxially provided at a right side of the first scraper plate (20), and an end of the feed pipe (28) penetrates the striker plate (23) toward a left side.

3. The centrifuge according to claim 2, characterized in that a plurality of washing nozzles (26) are fixed to the outer wall of the casing (19), one end of the washing nozzles (26) projecting into the casing (19) and facing to the left against the striker plate (23).

4. The centrifuge according to claim 1, characterized in that the top right end of the casing (19) is provided with a cleaning port (27).

5. The centrifuge according to claim 1, characterized in that the lower part of the left end of the casing (19) is provided with an overflow (31).

6. The centrifuge according to claim 1, characterized in that the bottom of the motor (1) is connected to the base (3) by means of a number of shock absorbers (2).

7. The centrifuge of claim 1, wherein a tank radiator (15) is attached to a side wall of the tank (10).