CN216367502U

CN216367502U - Sealing device of stirring kettle

Info

Publication number: CN216367502U
Application number: CN202122590372.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Mixwell Mixing Equipment Co ltd; Gu'an Meishihua Mixing Equipment Co ltd
Current assignee: Beijing Mixwell Mixing Equipment Co ltd; Gu'an Meishihua Mixing Equipment Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-26
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to the technical field of stirring kettles, and discloses a stirring kettle sealing device which comprises an upper shell and a stirring shaft, wherein an outer rotor is arranged on the outer side of the upper end of the stirring shaft, an upper shell is arranged on the outer side of the outer rotor, an inner rotor is connected in the middle of the stirring shaft, an isolation cover is arranged between the outer rotor and the inner rotor, a connecting ring is arranged at the lower end of the isolation cover, the upper shell, the isolation cover and the left end and the right end of the connecting ring are connected through fastening bolts, a plurality of fastening bolts are matched with nuts for use, the nuts are positioned at the bottom of the connecting ring, and a sealing ring is connected in the middle of the connecting ring. The service life of the stirring shaft is prolonged, the structure is firmer, and the sealing effect is better.

Description

Sealing device of stirring kettle

Technical Field

The utility model relates to the technical field of stirred tanks, in particular to a stirred tank sealing device.

Background

The stirring kettle is widely applied to the fields of petroleum, chemical engineering, rubber, pesticides, dyes, medicines, foods and the like, is a pressure container for completing the technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, and a sealing device is an important component of the stirring kettle.

When the existing sealing device of the stirring kettle is used, the running stability of a stirring shaft in the stirring kettle cannot be improved, so that the service life of the stirring shaft is short, the structure is not firm, the stirring kettle is easy to shake, the sealing effect is poor, and the defects are overcome by the sealing device of the stirring kettle.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a sealing device for a stirring kettle, which solves the problems that the existing sealing device for the stirring kettle cannot improve the running stability of a stirring shaft in the stirring kettle when in use, so that the service life of the stirring shaft is short, the structure is not firm, the stirring shaft is easy to shake, and the sealing effect is poor.

The utility model provides the following technical scheme: the utility model provides a stirred tank sealing device, includes casing and (mixing) shaft, the upper end outside of (mixing) shaft is provided with the external rotor, the outside of external rotor is provided with the casing, the centre department of (mixing) shaft is connected with the inner rotor, install the cage between external rotor and the inner rotor, the lower extreme of cage is provided with connects the ring, it all makes between the three to be connected, a plurality of through fastening bolt to go up casing, cage and the both ends of connecting the ring about both ends all be connected between the fastening bolt all cooperates the nut to use, the nut is located the bottom of connecting the ring, the department is connected with the sealing washer in the middle of the inside of connecting the ring, the sealing washer cup joints the lower extreme by of (mixing) shaft, be provided with the reinforcement piece under the inner rotor, both ends all are connected with the connection ring through the rivet about the reinforcement piece.

Preferably, the left side and the right side of the outer rotor are both provided with external magnetic steel.

Preferably, the inner magnetic steel is installed on the left side and the right side of the inner rotor.

Preferably, the upper end of the isolation cover is sleeved on the stirring shaft.

Preferably, a distance of 1cm exists between the inner rotor and the isolation cover, and a distance of 2cm exists between the inner rotor and the reinforcing block.

Preferably, a 1cm distance exists between the outer rotor and the isolation cover.

Preferably, the two rivets are arranged in a left-right axial symmetry manner about the reinforcing block, and the two fastening bolts are arranged in a left-right axial symmetry manner about the stirring shaft.

Compared with the prior art, the utility model has the following beneficial effects:

the inner rotor, the outer magnetic steel, the inner magnetic steel, the reinforcing block and the rivet are arranged, and the mutual matching effect of the inner rotor, the outer magnetic steel, the inner magnetic steel, the reinforcing block and the rivet is utilized, so that the running stability of the stirring shaft in the stirring kettle can be improved, the service life of the stirring shaft is prolonged, the structure is firmer, and the sealing effect is better.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the appearance structure of the present invention.

In the figure: 1. an upper housing; 2. an outer rotor; 3. an isolation cover; 4. an inner rotor; 5. riveting; 6. a reinforcing block; 7. a seal ring; 8. connecting the circular rings; 9. fastening a bolt; 10. a nut; 11. a stirring shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The drawings are only for purposes of illustration and are not intended to be limiting, certain elements of the drawings may be omitted, enlarged or reduced to better illustrate the embodiments of the present invention, and do not represent the size of the actual product, and it is understood that some well-known structures, elements and descriptions thereof in the drawings may be omitted for persons skilled in the art.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly, detachably, integrally, mechanically, electrically, directly or indirectly through intervening media, or as a communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a sealing device for a stirring kettle comprises an upper shell 1 and a stirring shaft 11, wherein an outer rotor 2 is arranged on the outer side of the upper end of the stirring shaft 11, an upper shell 1 is arranged on the outer side of the outer rotor 2, an inner rotor 4 is connected to the middle of the stirring shaft 11, an isolation cover 3 is arranged between the outer rotor 2 and the inner rotor 4, a connecting ring 8 is arranged at the lower end of the isolation cover 3, the upper shell 1, the isolation cover 3 and the connecting ring 8 are connected with each other at the left end and the right end through fastening bolts 9, a plurality of fastening bolts 9 are used in cooperation with nuts 10, the nuts 10 are arranged at the bottom of the connecting ring 8, a sealing ring 7 is connected to the middle of the inside of the connecting ring 8, the sealing ring 7 is sleeved on the lower end of the stirring shaft 11, a reinforcing block 6 is arranged under the inner rotor 4, and the left end and right end of the reinforcing block 6 are connected with the connecting ring 8 through rivets 5, external magnetic steel is installed to the left and right sides of external rotor 2 all, internal magnetic steel is installed to the left and right sides of internal rotor 4 all, utilize the interact of mutually supporting between them, thereby can improve the stationarity when (mixing) shaft 11 during operation in the stirred tank, the life of (mixing) shaft 11 has been prolonged, and the structure is more firm, sealed effect is better, the upper end of cage 3 cup joints on (mixing) shaft 11, there is 1 cm's interval between internal rotor 4 and the cage 3, the interval is 2cm between internal rotor 4 and the reinforcing block 6, there is 1 cm's interval between external rotor 2 and the cage 3, two rivets 5 are the bilateral symmetry setting about reinforcing block 6, two fastening bolt 9 are the bilateral symmetry setting about (mixing) shaft 11.

The working principle and the using process of the utility model are as follows: during operation, inner rotor 4 rotates along with the (mixing) shaft 11 is rotatory, form relative magnetic balance through outer magnet steel and inner magnet steel on outer rotor 2 and the inner rotor 4, thereby can improve the stationarity when (mixing) shaft 11 moves among the stirred tank, the life of (mixing) shaft 11 has been prolonged, fastening bolt 9 makes and installs firmly between upper housing 1, cage 3 and the connection ring 8 three, reinforcing block 6 and rivet 5 make the structure more firm, sealing washer 7, reinforcing block 6 and connection ring 8 make the structure inseparable, sealed effect is better, the content that does not make detailed description in this description belongs to the prior art that the professional of this field knows.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A sealing device of a stirring kettle comprises an upper shell (1) and a stirring shaft (11), and is characterized in that; an outer rotor (2) is arranged on the outer side of the upper end of the stirring shaft (11), an upper shell (1) is arranged on the outer side of the outer rotor (2), an inner rotor (4) is connected to the middle of the stirring shaft (11), an isolation cover (3) is installed between the outer rotor (2) and the inner rotor (4), a connecting ring (8) is arranged at the lower end of the isolation cover (3), the upper shell (1), the isolation cover (3) and the connecting ring (8) are connected with each other at the left end and the right end through fastening bolts (9), the fastening bolts (9) are matched with nuts (10) for use, the nuts (10) are located at the bottom of the connecting ring (8), a sealing ring (7) is connected to the middle of the inner portion of the connecting ring (8), the sealing ring (7) is sleeved on the lower end of the stirring shaft (11), and a reinforcing block (6) is arranged right below the inner rotor (4), the left end and the right end of the reinforcing block (6) are connected with the connecting ring (8) through rivets (5).

2. The stirred tank sealing device according to claim 1, wherein: and the left side and the right side of the outer rotor (2) are both provided with external magnetic steel.

3. The stirred tank sealing device according to claim 1, wherein: and inner magnetic steel is arranged on the left side and the right side of the inner rotor (4).

4. The stirred tank sealing device according to claim 1, wherein: the upper end of the isolation cover (3) is sleeved on the stirring shaft (11).

5. The stirred tank sealing device according to claim 1, wherein: the inner rotor (4) and the isolation cover (3) are spaced by 1cm, and the inner rotor (4) and the reinforcing block (6) are spaced by 2 cm.

6. The stirred tank sealing device according to claim 1, wherein: and a 1cm distance exists between the outer rotor (2) and the isolation cover (3).

7. The stirred tank sealing device according to claim 1, wherein: two rivet (5) are the left and right axisymmetric setting about reinforcing block (6), two fastening bolt (9) are the left and right axisymmetric setting about (mixing) shaft (11).