阅读说明：本技术 一种卧式离心机主轴密封装置 (Spindle sealing device of horizontal centrifuge ) 是由 顾根生 高锐 许关红 于 2019-11-12 设计创作，主要内容包括：一种卧式离心机主轴密封装置,所述的轴承座左侧设置有壳体,所述的壳体与轴套之间设置有密封环A、密封环B、密封环C与密封环D,所述的密封环A设置在轴套竖直面上,所述的密封环B设置在壳体上,所述的密封环A与密封环B配合；所述的密封环C与密封环D设置在轴套的水平面上,所述的轴套与密封环C之间设置有弹簧A,所述的壳体与密封环B之间设置有弹簧B；所述的壳体上端面设置有通路,下端面设置有通路,所述的轴承座上设置有进液管,所述的进液管与通路配合；所述的轴承座下方设置有通路。本发明结构设计简单、操作简便、密封温度可靠等优点；解决了主轴密封不能承受压力的问题。(A shell is arranged on the left side of a bearing seat, a sealing ring A, a sealing ring B, a sealing ring C and a sealing ring D are arranged between the shell and a shaft sleeve, the sealing ring A is arranged on the vertical surface of the shaft sleeve, the sealing ring B is arranged on the shell, and the sealing ring A is matched with the sealing ring B; the sealing ring C and the sealing ring D are arranged on the horizontal plane of the shaft sleeve, a spring A is arranged between the shaft sleeve and the sealing ring C, and a spring B is arranged between the shell and the sealing ring B; the upper end surface of the shell is provided with a passage, the lower end surface of the shell is provided with a passage, the bearing seat is provided with a liquid inlet pipe, and the liquid inlet pipe is matched with the passage; and a passage is arranged below the bearing seat. The invention has the advantages of simple structural design, simple and convenient operation, reliable sealing temperature and the like; the problem that the main shaft seal cannot bear pressure is solved.)

1. A spindle sealing device of a horizontal centrifuge comprises a spindle (1), a bearing seat (2), a bearing (9), a shaft sleeve (4) and a retainer ring (10), wherein the spindle (1) is arranged on the bearing seat (2), the bearing (9) and the shaft sleeve (4) are arranged on the spindle (1), and the retainer ring (10) is arranged between the bearing (9) and the shaft sleeve (4); the method is characterized in that: a shell (3) is arranged on the left side of the bearing seat (2), a sealing ring A (5), a sealing ring B (6), a sealing ring C (7) and a sealing ring D (8) are arranged between the shell and the shaft sleeve, the sealing ring A (5) is arranged on the vertical surface of the shaft sleeve (4), the sealing ring B (6) is arranged on the shell (3), and the sealing ring A (5) is matched with the sealing ring B (6); the sealing ring C (7) and the sealing ring D (8) are arranged on the horizontal plane of the shaft sleeve (4), a spring A (15) is arranged between the shaft sleeve (4) and the sealing ring C (7), and a spring B (16) is arranged between the shell (3) and the sealing ring B (6); a passage (13) is arranged on the upper end surface of the shell (3), a passage (17) is arranged on the lower end surface of the shell, a liquid inlet pipe (12) is arranged on the bearing seat (2), and the liquid inlet pipe (12) is matched with the passage (13); and a passage (14) is arranged below the bearing seat (2).

2. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: the shell (3) and the shaft sleeve (4) are fixedly installed through a positioning structure (18).

3. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: sealing ring B (6), sealing ring C (7) for floating the setting, sealing ring A (5), sealing ring D (8) for fixed setting.

4. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: and the sealing ring C (7) and the sealing ring D (8) are arranged between the shaft sleeve (4) and the shell (3).

5. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: the springs A (15) and the springs B (16) are uniformly arranged around the main shaft.

6. The horizontal centrifuge main shaft sealing device according to claim 1, wherein: and a sealing ring E (11) is arranged between the shaft sleeve (4) and the retainer ring (10).

Technical Field

The invention relates to a solid-liquid separation machine, in particular to a spindle sealing device of a horizontal centrifuge.

Background

The centrifugal machine is a device for realizing solid-liquid separation by utilizing centrifugal force, is widely used in the fields of pharmacy and chemical industry, is mostly used in occasions with strong corrosivity, flammability and explosiveness, is used as a high-speed rotating dynamic device, has important reliability of main shaft sealing, is sealed by a labyrinth type sealing ring or a contact type lip-shaped sealing ring in non-contact in most of the existing centrifugal machines, but cannot be well and stably used in the working occasions with high internal pressure. Particularly, in a centrifuge used in some aseptic occasions, high-temperature sterilization needs to be performed on the inside of the centrifuge through steam, so that a main shaft sealing device which is reliable in sealing and achieves the process design effect is needed to be designed.

Disclosure of Invention

The invention aims to provide a design of a spindle sealing device of a horizontal centrifuge, which can solve the problems.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: a spindle sealing device of a horizontal centrifuge comprises a spindle, a bearing seat, a bearing, a shaft sleeve and a retainer ring, wherein the bearing seat is provided with the spindle, the spindle is provided with the bearing and the shaft sleeve, and the retainer ring is arranged between the bearing and the shaft sleeve; the method is characterized in that: a shell is arranged on the left side of the bearing seat, a sealing ring A, a sealing ring B, a sealing ring C and a sealing ring D are arranged between the shell and the shaft sleeve, the sealing ring A is arranged on the vertical surface of the shaft sleeve, the sealing ring B is arranged on the shell, and the sealing ring A is matched with the sealing ring B; the sealing ring C and the sealing ring D are arranged on the horizontal plane of the shaft sleeve, a spring A is arranged between the shaft sleeve and the sealing ring C, and a spring B is arranged between the shell and the sealing ring B; the upper end surface of the shell is provided with a passage, the lower end surface of the shell is provided with a passage, the bearing seat is provided with a liquid inlet pipe, and the liquid inlet pipe is matched with the passage; and a passage is arranged below the bearing seat.

As a preferred technical scheme: the shell and the shaft sleeve are fixedly installed through a positioning structure.

As a preferred technical scheme: the sealing ring B and the sealing ring C are arranged in a floating mode, and the sealing ring A and the sealing ring D are fixedly arranged.

As a preferred technical scheme: and the sealing ring C and the sealing ring D are arranged between the shaft sleeve and the shell.

As a preferred technical scheme: the spring A and the spring B are uniformly provided with a plurality of springs around the main shaft.

As a preferred technical scheme: and a sealing ring E is arranged between the shaft sleeve and the retainer ring.

The invention has the beneficial effects; the utility model provides a horizontal centrifuge main shaft sealing device, compares with traditional structure: the structure design is simple, the operation is simple and convenient, the sealing temperature is reliable, and the like; the problem that the main shaft seal cannot bear pressure is solved.

Drawings

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

in the figure: 1. the device comprises a main shaft 2, a bearing seat 3, a shell 4, a shaft sleeve 5 and a sealing ring A; 6. A seal ring B; 7. a seal ring C; 8. a seal ring D; 9. A bearing; 10. A retainer ring; 11. a seal ring E; 12. A liquid inlet pipe; 13. a passage A; 14. a path C; 15. a spring A; 16. a spring B; 17. a passage B; 18. and a positioning structure.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments;

a spindle sealing device of a horizontal centrifuge comprises a spindle 1, a bearing seat 2, a bearing 9, a shaft sleeve 4 and a retainer ring 10, wherein the spindle 1 is arranged on the bearing seat 2, the bearing 9 and the shaft sleeve 4 are arranged on the spindle 1, and the retainer ring 10 is arranged between the bearing 9 and the shaft sleeve 4; the method is characterized in that: a shell 3 is arranged on the left side of the bearing seat 2, a sealing ring A5, a sealing ring B6, a sealing ring C7 and a sealing ring D8 are arranged between the shell and the shaft sleeve, the sealing ring A5 is arranged on the vertical surface of the shaft sleeve 4, the sealing ring B6 is arranged on the shell 3, and the sealing ring A5 is matched with the sealing ring B6; the sealing ring C7 and the sealing ring D8 are arranged on the horizontal plane of the shaft sleeve 4, a spring A15 is arranged between the shaft sleeve 4 and the sealing ring C7, and a spring B16 is arranged between the shell 3 and the sealing ring B6; the upper end surface of the shell 3 is provided with a passage A13, the lower end surface is provided with a passage B17, the bearing seat 2 is provided with a liquid inlet pipe 12, and the liquid inlet pipe 12 is matched with the passage 13; a passage C14 is arranged below the bearing seat 2.

The shell 3 and the shaft sleeve 4 are fixedly installed through a positioning structure 18. The sealing ring B6 and the sealing ring C7 are arranged in a floating mode, and the sealing ring A5 and the sealing ring D8 are fixedly arranged. The sealing ring C7 and the sealing ring D8 are arranged between the shaft sleeve 4 and the shell 3. The springs A15 and the springs B16 are uniformly arranged around the main shaft. And a sealing ring E11 is arranged between the shaft sleeve 4 and the retainer ring 10.