CN221374455U

CN221374455U - Fermentation cylinder stirring main shaft seal structure

Info

Publication number: CN221374455U
Application number: CN202322891765.6U
Authority: CN
Inventors: 刘国庆; 鹿红卫; 郭鑫磊
Original assignee: Shandong Heze Sanyi Bio Engineering Co ltd
Current assignee: Shandong Heze Sanyi Bio Engineering Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-07-19
Anticipated expiration: 2033-10-27

Abstract

The utility model relates to the technical field of fermentation tanks, in particular to a fermentation tank stirring main shaft sealing structure, which comprises a tank body and a driving motor arranged on the outer side of the tank body, wherein a main shaft is connected to an output shaft of the driving motor, the main shaft penetrates through the tank body and extends to the inner part of the tank body, a rotating seat is sleeved on the outer wall of a joint of the main shaft and the tank body, a plurality of spring holes are formed in the rotating seat, a first spring is placed in the spring holes, a plurality of limiting plates are fixedly arranged on the rotating seat, a connecting sheet and a moving ring are sleeved in the limiting plates, the connecting sheet is contacted with the first spring, a sealing ring I is arranged between the connecting sheet and the moving ring, the connecting sheet and the moving ring are sleeved on the main shaft, a stationary ring is arranged on the moving ring, and a film gap is formed between the moving ring and the stationary ring.

Description

Fermentation cylinder stirring main shaft seal structure

Technical Field

The utility model relates to the technical field of fermentation tanks, in particular to a sealing structure of a stirring main shaft of a fermentation tank.

Background

The fermentation tank is a device for fermentation process and is widely applied to industries such as food, pharmacy, chemical industry and the like. In the fermentation process, the stirring shaft is a core component of the fermentation tank, and the design and performance of the sealing structure directly influence the effect of the fermentation process and the stable operation of equipment.

The traditional fermentation tank stirring shaft sealing structure mainly adopts mechanical seal or filler seal, no matter what kind of sealing mode is adopted, after long-term use, a sealing element of the stirring shaft sealing structure can be aged or is damaged due to corrosion of a received fermentation product, so that sealing failure is caused, once the sealing failure is caused, gas can leak out from a sealing gap or an interface of a tank body, gas composition is caused to change, stability and product quality of a fermentation process are affected, a worker cannot know the sealing condition in time, maintenance is difficult to be performed in time, continuous use can lead to fermentation failure, and economic loss can be caused.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a sealing structure of a stirring main shaft of a fermentation tank, which has the advantages of timely finding leakage, maintaining and double sealing, and solves the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a fermentation cylinder stirring main shaft seal structure, includes the jar body and installs the driving motor in jar body outside, is connected with the main shaft on driving motor's the output shaft, and the main shaft runs through the jar body and extends to jar internal portion, the cover is equipped with on the outer wall of main shaft and jar body junction and rotates the seat, has seted up a plurality of spring holes on the seat, has placed spring one in the spring hole, has set firmly a plurality of limiting plates on the seat and has connection piece and rotating ring through the limiting plate endotheca, connection piece and spring one contact, is provided with sealing washer one between connection piece and the rotating ring, connection piece and rotating ring all overlap and establish on the main shaft, are provided with quiet ring on the rotating ring, are formed with the film clearance between rotating ring and the quiet ring, and quiet ring cover is established on the main shaft and is installed in the jar internally, installs the gas leakage monitoring subassembly that is used for monitoring gas leakage between jar body and the driving motor.

Preferably, the rotating seat is provided with a plurality of mounting holes, bolts are arranged in the mounting holes, and the bolts are in threaded connection with the main shaft.

Preferably, a second sealing ring is sleeved on the static ring, and the second sealing ring is embedded in the tank body.

Preferably, the gas leakage monitoring assembly comprises a sealing ring fixedly connected between the tank body and the driving motor, a cavity is formed in the sealing ring, monitoring liquid is filled in the cavity, a gas hole channel communicated with the inner side of the sealing ring is formed in the cavity, a transparent pipe communicated with the cavity is arranged on the outer side of the sealing ring, and the height of the monitoring liquid in the cavity is kept consistent with the height of the monitoring liquid in the transparent pipe.

Preferably, a piston is elastically connected in the air hole channel through a second spring, and a through hole is formed in the second piston.

Preferably, the transparent tube is provided with graduations.

By means of the technical scheme, the utility model provides a fermentation tank stirring main shaft sealing structure, which has at least the following beneficial effects:

1. This fermentation cylinder stirring main shaft seal structure, through setting up gas leakage monitoring component, after sealed inefficacy, the inside gas of jar leaks to the seal ring from the junction of main shaft and jar body, and gas enters into the appearance intracavity and can force monitoring liquid to remove in the transparent pipe, and monitoring liquid height can become high in the transparent pipe, and staff's accessible regularly looks over the monitoring liquid height on the transparent pipe and knows the sealing condition, in case produce leakage, can in time discover and carry out maintenance work, avoids follow-up continuous use to lead to the fermentation failure and causes economic loss's problem.

2. This fermentation cylinder stirring main shaft seal structure through setting up rotating seat, limiting plate, spring one, sealing washer one, rotating ring, quiet ring and parts such as sealing washer, can form mechanical seal in the junction of main shaft and jar body, and increase sealing washer two, even sealing washer one is ageing by the erosion of fermentation article, also can play sealed effect, has dual-seal's function.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and together with the description serve to explain a part of the utility model:

FIG. 1 is a cross-sectional elevation of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model A;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B;

FIG. 4 is a schematic view of the joint between the main shaft and the tank body;

Fig. 5 is an enlarged schematic view of the structure of the present utility model at C.

Reference numerals:

1. A tank body; 2. a driving motor; 3. a main shaft; 4. a rotating seat; 5. a bolt; 6. a limiting plate; 7. a first spring; 8. a connecting sheet; 9. a first sealing ring; 10. a moving ring; 11. a stationary ring; 12. a second sealing ring; 13. a leak monitoring assembly; 131. a seal ring; 132. a cavity; 133. monitoring liquid; 134. an air vent channel; 135. a second spring; 136. a piston; 137. a transparent tube; 138. a scale.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Some embodiments of the utility model provide a sealing structure for a stirring main shaft of a fermentation tank, which is described below with reference to the accompanying drawings.

Embodiment one:

The utility model provides a fermentation tank stirring main shaft sealing structure, which is shown in the drawings 1-5, and comprises a tank body 1 and a driving motor 2 arranged on the outer side of the tank body 1, wherein a main shaft 3 is connected to an output shaft of the driving motor 2, the main shaft 3 penetrates through the tank body 1 and extends into the tank body 1, a rotating seat 4 is sleeved on the outer wall of a joint of the main shaft 3 and the tank body 1, the rotating seat 4 can rotate along with the main shaft 3, so that a movable ring 10 rotates, a plurality of spring holes are formed in the rotating seat 4, a first spring 7 is arranged in the spring holes, elastic compensation can be provided by the arrangement of the first spring 7, the problem that a film gap is enlarged due to abrasion of the movable ring 10 and the static ring 11 is avoided, a plurality of limiting plates 6 are fixedly arranged on the rotating seat 4, a connecting sheet 8 and the movable ring 10 are sleeved in the limiting plates 6, the connecting sheet 8 is contacted with the first spring 7, a sealing ring 9 is arranged between the connecting sheet 8 and the movable ring 10, a preliminary sealing effect can be provided, the connecting sheet 8 and the movable ring 10 are sleeved on the main shaft 3, a static ring 11 is arranged on the movable ring 10, a film gap is formed between the movable ring 10 and the static ring 11, a film gap is formed between the movable ring 11 and the movable ring 11, and the motor is worn down to form a film gap, and a film gap is formed in the film gap 1 and a film gap is prevented from being arranged in the driving assembly 1, and a sealing assembly is arranged in the tank 1, and a sealing assembly is used for monitoring a sealing assembly.

Specifically, a plurality of mounting holes are formed in the rotating seat 4, bolts 5 are arranged in the mounting holes, and the bolts 5 are in threaded connection with the main shaft 3 and are used for mounting the rotating seat 4.

Further, a second sealing ring 12 is sleeved on the stationary ring 11, and the second sealing ring 12 is embedded in the tank body 1; the sealing ring II 12 is added, so that even if the sealing ring I9 is corroded by fermented products and aged, the sealing effect can be achieved, and the double sealing function is realized.

According to the embodiment, when the driving motor 2 drives the spindle 3 to rotate, the spindle 3 drives the rotating seat 4 to rotate, the rotating seat 4 drives the connecting piece 8 and the movable ring 10 to rotate under the action of the limiting plate 6, the stationary ring 11 is fixed in the can 1 and keeps still, and a layer of liquid film is formed at the film gap between the movable ring 10 and the stationary ring 11, so that the gas-liquid circulation is prevented, and the mechanical sealing effect is achieved.

Embodiment two:

Referring to fig. 1, 3 and 5, on the basis of the first embodiment, the air leakage monitoring assembly 13 includes a sealing ring 131 fixedly connected between the tank 1 and the driving motor 2, a cavity 132 is provided in the sealing ring 131, a monitoring liquid 133 is provided in the cavity 132, an air hole channel 134 communicated with the inner side of the sealing ring 131 is provided on the cavity 132, a transparent tube 137 communicated with the cavity 132 is provided on the outer side of the sealing ring 131, and the height of the monitoring liquid 133 in the cavity 132 is kept consistent with the height in the transparent tube 137.

Specifically, the air hole channel 134 is elastically connected with a piston 136 through a second spring 135, and the second piston 136 is provided with a through hole; the second piston 136 is blocked by the second spring 135 to form a one-way valve, so that the problem that the height of the monitoring liquid 133 in the transparent tube 137 always fluctuates due to shaking of the monitoring liquid 133 along with the shaking action in daily use is avoided.

Further, a scale 138 is provided on the transparent tube 137; for a clearer understanding of the height of the monitoring fluid 133 at the transparent tube 137.

According to the embodiment, after the sealing fails, the gas inside the tank body 1 leaks into the sealing ring 131 from the joint between the main shaft 3 and the tank body 1, the piston 136 is firstly extruded to move when the gas enters the cavity 132, the piston 136 makes the second spring 135 contract, after the through hole on the piston 136 is exposed, the gas enters the cavity 132 through the through hole and forces the monitoring liquid 133 to move into the transparent pipe 137, the height of the monitoring liquid 133 in the transparent pipe 137 can be increased, and a worker can know the sealing condition by checking the height of the monitoring liquid 133 on the transparent pipe 137 regularly, once the leakage occurs, the maintenance work can be timely found and performed, and the problems of fermentation failure and economic loss caused by subsequent continuous use are avoided.

As can be seen from the above examples: the use of this device is, during normal use, when driving motor 2 drives main shaft 3 and rotates, main shaft 3 can drive rotation seat 4 rotation, rotation seat 4 drives connection piece 8 and rotating ring 10 through the effect of limiting plate 6 and rotate, and quiet ring 11 is fixed and keep motionless in jar body 1, film gap department between rotating ring 10 and quiet ring 11 can form the one deck liquid film, thereby prevent the gas-liquid to lead to, after sealed inefficacy, jar body 1 inside gas leaks in the junction of main shaft 3 and jar body 1 to sealing ring 131, gas enters into holding intracavity 132 can extrude piston 136 motion earlier, piston 136 makes spring two 135 shrink, after the through-hole on piston 136 exposes, gas enters into holding intracavity 132 and forces monitoring liquid 133 to remove to transparent pipe 137 through the through-hole, monitoring liquid 133 height can become high in the transparent pipe 137, the staff's accessible regularly look over the monitoring liquid 133 height on the transparent pipe 137 and know the sealing condition, in case produce the leakage, can in time discover and carry out the maintenance can.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fermentation cylinder stirring main shaft seal structure, includes jar body (1) and installs driving motor (2) in jar body (1) outside, is connected with main shaft (3) on the output shaft of driving motor (2), and main shaft (3) run through jar body (1) and extend to jar body (1) inside, its characterized in that: the novel air leakage monitoring device is characterized in that a rotating seat (4) is sleeved on the outer wall of the joint of the main shaft (3) and the tank body (1), a plurality of spring holes are formed in the rotating seat (4), a first spring (7) is placed in each spring hole, a plurality of limiting plates (6) are fixedly arranged on the rotating seat (4) and are in contact with the first spring (7) through connecting plates (8) and moving rings (10) sleeved in the limiting plates (6), a sealing ring (9) is arranged between the connecting plates (8) and the moving rings (10), the connecting plates (8) and the moving rings (10) are sleeved on the main shaft (3), a static ring (11) is arranged on the moving rings (10), a film gap is formed between the moving rings (10) and the static ring (11), the static ring (11) is sleeved on the main shaft (3) and is arranged in the tank body (1), and a monitoring assembly (13) for monitoring air leakage is arranged between the tank body (1) and the driving motor (2).

2. The fermenter stirring main shaft sealing structure according to claim 1, wherein: a plurality of mounting holes are formed in the rotating seat (4), bolts (5) are arranged in the mounting holes, and the bolts (5) are connected to the main shaft (3) in a threaded mode.

3. The fermenter stirring main shaft sealing structure according to claim 1, wherein: and a second sealing ring (12) is sleeved on the stationary ring (11), and the second sealing ring (12) is embedded in the tank body (1).

4. The fermenter stirring main shaft sealing structure according to claim 1, wherein: the gas leakage monitoring assembly (13) comprises a sealing ring (131) fixedly connected between the tank body (1) and the driving motor (2), a containing cavity (132) is formed in the sealing ring (131), monitoring liquid (133) is arranged in the containing cavity (132), a gas hole channel (134) communicated with the inner side of the sealing ring (131) is arranged on the containing cavity (132), a transparent pipe (137) communicated with the containing cavity (132) is arranged on the outer side of the sealing ring (131), and the height of the monitoring liquid (133) in the containing cavity (132) is kept consistent with the height of the monitoring liquid in the transparent pipe (137).

5. The fermenter stirring main shaft sealing structure according to claim 4, wherein: a piston (136) is elastically connected in the air hole channel (134) through a second spring (135), and a through hole is formed in the second piston (136).

6. The fermenter stirring main shaft sealing structure according to claim 4, wherein: the transparent tube (137) is provided with a scale (138).