CN215059467U

CN215059467U - Store up thick liquid tower propeller with seal structure

Info

Publication number: CN215059467U
Application number: CN202121053482.9U
Authority: CN
Inventors: 冯爱民
Original assignee: Zhucheng City Tiangong Paper Making Machinery Co ltd
Current assignee: Zhucheng City Tiangong Paper Making Machinery Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-07
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a store up thick liquid tower propeller with seal structure, including bearing plate, propulsion motor, rotation axis, sealing mechanism, impeller, motor band pulley, big band pulley, V belt, primary shaft bearing and secondary shaft bearing, the left end of bearing plate is installed at the right-hand member that stores up the thick liquid tower through fixing bolt and is close to the bottom position, leans on right position at the top of bearing plate to have propulsion motor through propulsion motor support mounting, installs the motor band pulley at propulsion motor's right-hand member, leans on left position to install sealing mechanism in the bearing plate and the bottom that stores up the crossing department in bearing plate of thick liquid tower, lies in the bottom intermediate position of bearing plate on sealing mechanism's right side and installs primary shaft bearing. The utility model discloses a cooperation between gland, stud, spacing bolt and the sealing washer realizes not needing the thick liquids in the empty thick liquid tower, can change the purpose of sealing filler.

Description

Store up thick liquid tower propeller with seal structure

Technical Field

The utility model relates to a papermaking equipment technical field, a store up thick liquid tower propeller with seal structure specifically says so.

Background

In the pulp and paper making industry, the storage of pulp is a very critical link, which directly affects the continuity of the production process and plays a crucial role in the quality of finished paper. The slurry is continuously stirred in the storage process to ensure the uniform concentration of the slurry and prevent the slurry from precipitating.

With the development of recent science and technology, the capacity of a pulping and papermaking production line is increased more and more, a horizontal pulp tank for storing pulp is not suitable for the pulp, and the pulp is replaced by a large vertical pulp storage tower at present, and the pulp stirring device of the pulp storage tower which is the most widely used equipment at present is a pulp tower propeller which mainly comprises components such as an impeller, a rotating shaft, a sealing device, a supporting plate, a motor, a belt pulley, a bearing seat and the like. The existing propeller of the pulp tower has the following defects:

the sealing structure between the existing rotating shaft of the pulp tower propeller and the pulp tower is sealed by the filler, after the filler is worn and torn for a period of time, the sealing part of the rotating shaft is very easy to leak, the sealing filler needs to be stopped and replaced at the moment, the slurry inside the pulp tower needs to be emptied before the sealing filler is replaced, the actual operation is difficult, the pulp tower propeller needs to be shut down all the way because the slurry is emptied, the continuous production is seriously affected, and therefore the pulp tower propeller which needs not to be emptied of the slurry tower and can replace the sealing filler is urgently needed.

Disclosure of Invention

The utility model aims at providing a store up thick liquid tower propeller with seal structure.

In order to achieve the above purpose, the technical scheme of the utility model is that: a propeller with a sealing structure for a pulp storage tower comprises a supporting plate, a propelling motor, a rotating shaft, a sealing mechanism, an impeller, a motor belt wheel, a large belt wheel, a triangular belt, a first bearing seat and a second bearing seat, wherein the left end of the supporting plate is arranged at the position, close to the bottom, of the right end of the pulp storage tower through a fixing bolt, the propelling motor is arranged at the position, close to the right, of the top of the supporting plate through a propelling motor support, the motor belt wheel is arranged at the right end of the propelling motor, the sealing mechanism is arranged at the position, close to the left, of the bottom of the supporting plate at the intersection of the supporting plate and the pulp storage tower, the first bearing seat is arranged at the middle position, located at the bottom of the supporting plate, of the right side of the sealing mechanism, the second bearing seat is arranged at the position, close to the right, of the bottom of the supporting plate, the second bearing seat, the first bearing seat and the sealing mechanism are sequentially penetrated through the rotating shaft from the right side to the left side, and the large belt wheel is arranged at the right end of the rotating shaft, the left end of the impeller is inserted into the slurry storage tower and is provided with an impeller, and a support rod is arranged between the first bearing seat and the second bearing seat and positioned on the front end face of the support plate.

Preferably, the sealing mechanism comprises a shaft sleeve, a packing seat, a packing gland, a sealing ring, a water inlet nozzle, a stud bolt, a limit bolt and a fastening bolt, the shaft sleeve is mounted at the front end of the rotating shaft through the fastening bolt, two groups of sealing rings are used for sealing between the shaft sleeve and the rotating shaft, the packing seat connected with the support plate is mounted on the outer side of the shaft sleeve, sealing packing is filled between the shaft sleeve and the packing seat for friction sealing, the packing gland is mounted on the outer side of the packing seat through the stud bolt, the water inlet nozzle is arranged at the end part of the packing gland, the limit bolt is mounted at the joint of the packing gland and the support plate, and a packing water ring is mounted on the inner side of the water inlet nozzle, which is located on the packing gland.

Preferably, the tightness of the sealing packing is adjusted by a packing gland through a stud bolt.

Preferably, the sealing filler is lubricated and cooled by introducing clean water through a filler water ring from a water inlet nozzle.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the utility model adopts the matching between the packing gland and the stud bolt to realize the adjustment of the tightness of the sealing packing;

2. the utility model adopts double sealing rings to realize the sealing between the shaft sleeve and the rotating shaft;

3. the utility model discloses a water inlet nozzle and filler water ring have realized lubrication and cooling to the packings.

The utility model discloses a cooperation between gland, stud, spacing bolt and the sealing washer realizes not needing the thick liquids in the empty thick liquid tower, can change the purpose of sealing filler.

Drawings

Fig. 1 is a schematic diagram of the position relationship between the present invention and the slurry storage tower.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic structural diagram of the middle sealing mechanism of the present invention.

In the figure: 1. the device comprises a supporting plate, 2, a propulsion motor, 3, a rotating shaft, 4, a sealing mechanism, 41, a shaft sleeve, 42, a packing seat, 43, a packing gland, 44, a sealing ring, 45, a water inlet nozzle, 46, a stud bolt, 47, a limiting bolt, 48, a fastening bolt, 49, sealing packing, 410, a packing water ring, 5, an impeller, 6, a motor belt wheel, 7, a large belt wheel, 8, a triangular belt, 9, a first bearing seat, 10, a second bearing seat, 11, a pulp storage tower, 12, a propulsion motor support, 13 and a supporting rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the utility model relates to a propeller with a sealed structure for a slurry storage tower, which comprises a support plate 1, a propulsion motor 2, a rotating shaft 3, a sealing mechanism 4, an impeller 5, a motor belt wheel 6, a large belt wheel 7, a V-belt 8, a first bearing seat 9 and a second bearing seat 10, wherein the left end of the support plate 1 is arranged at the right end of a slurry storage tower 11 close to the bottom position through a fixing bolt, the propulsion motor 2 is arranged at the top of the support plate 1 close to the right position through a propulsion motor bracket 12, the motor belt wheel 6 is arranged at the right end of the propulsion motor 2, the sealing mechanism 4 is arranged at the bottom of the support plate close to the left position at the intersection of the support plate 1 and the slurry storage tower 11, the first bearing seat 9 is arranged at the bottom middle position of the support plate 1 at the right side of the sealing mechanism 4, the second bearing seat 10 is arranged at the bottom of the support plate 1 close to the right position at the right side of the first bearing seat 9, the rotating shaft 3 sequentially penetrates through the second bearing block 10, the first bearing block 9 and the sealing mechanism 4 from right to left, the large belt wheel 7 is installed at the right end of the rotating shaft, the left end of the rotating shaft is inserted into the slurry storage tower 11 and is provided with the impeller 5, the supporting rod 13 is installed on the front end face of the supporting plate 1 between the first bearing block 9 and the second bearing block 10, the propelling motor 2 drives the impeller 5 to rotate through the motor belt wheel 6, the triangular belt 8 and the large belt wheel 7, slurry is pushed to overturn, slurry precipitation is prevented, and the purpose of slurry stirring is achieved.

The sealing mechanism 4 comprises a shaft sleeve 41, a packing seat 42, a packing gland 43, a sealing ring 44, a water inlet nozzle 45, a stud bolt 46, a limiting bolt 47 and a fastening bolt 48, wherein the shaft sleeve 41 is installed at the front end of the rotating shaft 3 through the fastening bolt 48, two groups of sealing rings 44 are used for sealing between the shaft sleeve 41 and the rotating shaft 3, the packing seat 42 connected with the supporting plate 1 is installed on the outer side of the shaft sleeve 41, a sealing packing 49 is filled between the shaft sleeve 41 and the packing seat 42 for friction sealing, the packing gland 43 is installed on the outer side of the packing seat 42 through the stud bolt 46, the water inlet nozzle 45 is arranged at the end part of the packing gland 43, the limiting bolt 47 is installed at the joint of the packing gland 43 and the supporting plate 1, and a packing water ring 410 is installed on the inner side, which is positioned on the packing gland 43, of the water inlet nozzle 45.

The packing 49 is adjusted in tightness by the packing gland 43 by means of the stud bolts 46.

The sealing packing 49 is lubricated and cooled by introducing clean water through the packing water ring 410 from the water inlet nozzle 45.

The working principle is as follows: the utility model discloses at the during operation, drive rotation axis 3 by propulsion motor 2 through motor band pulley 6, V belt 8, big band pulley 7 and rotate, axle sleeve 41 is fixed and is rotated together with rotation axis 3 on rotation axis 3, and pivoted axle sleeve 41 is sealed by gland packing 49 with the thick liquids that store up in the thick liquid tower 11 and is accomplished.

After a period of use, there is leakage between the shaft sleeve 41 and the packing 49, and the stud 46 should be tightened to press the packing gland 43 against the packing 49 to achieve the sealing requirement. After long-time use, when the sealing requirement cannot be met simply by adjusting the tightness, the sealing filler 49 needs to be replaced, at the moment, the propulsion motor 2 needs to be stopped, and when the sealing filler 49 is prevented from being replaced, the rotating shaft 3 is suddenly started to hurt maintenance personnel.

When the sealing filler 49 is replaced, clear water is continuously introduced from the water inlet nozzle 45, the slurry on the end face of the sealing ring 44 is washed away, the stud bolt 46 is loosened, the limit bolt 47 is screwed, the end face of the sealing ring 44 abuts against the end face of the shaft sleeve 41, the sealing requirement is met, at the moment, the filler gland 43 can be detached, the sealing filler 49 and the filler water ring 410 are taken out, a new sealing filler 49 is replaced, the filler gland 43 is installed, the stud bolt 46 is screwed, the tightness of the sealing filler 49 is proper, the fastening bolt 48 is loosened, the limit bolt 47 is adjusted, the end face of the sealing ring 44 is separated from the end face of the shaft sleeve 41 by about-5 mm, the end face is prevented from being rubbed during rotation, the fastening bolt 48 is screwed, the process of replacing the sealing filler 49 is finished, and the purpose that the sealing filler 49 can be replaced without emptying the slurry in the slurry tower 11 is achieved.

The foregoing is a detailed description of the present invention in connection with specific preferred embodiments, and it is not to be construed that the specific embodiments of the present invention are limited to those descriptions. To those skilled in the art to which the invention pertains, without departing from the spirit of the invention, several simple deductions or substitutions can be made, all of which should be considered as belonging to the scope of patent protection defined by the claims filed with the invention.

Claims

1. The utility model provides a store up thick liquid tower propeller with seal structure which characterized in that: comprises a bearing plate (1), a propulsion motor (2), a rotating shaft (3), a sealing mechanism (4), an impeller (5), a motor belt wheel (6), a large belt wheel (7), a triangular belt (8), a first bearing seat (9) and a second bearing seat (10), wherein the left end of the bearing plate (1) is arranged at the position, close to the bottom, of the right end of a pulp storage tower (11) through a fixing bolt, the propulsion motor (2) is arranged at the position, close to the right, of the top of the bearing plate (1) through a propulsion motor bracket (12), the motor belt wheel (6) is arranged at the right end of the propulsion motor (2), the sealing mechanism (4) is arranged at the position, close to the left, of the bottom of the bearing plate, at the intersection of the bearing plate (1) and the pulp storage tower (11), the first bearing seat (9) is arranged at the middle position, located at the bottom of the bearing plate (1), on the right side of the sealing mechanism (4), the second bearing seat (10) is arranged at the position, close to the right, located at the bottom of the bearing plate (1), the rotating shaft (3) sequentially penetrates through the second bearing block (10), the first bearing block (9) and the sealing mechanism (4) from right to left, the right end of the rotating shaft is provided with a large belt wheel (7), the left end of the rotating shaft is inserted into the slurry storage tower (11) and is provided with an impeller (5), and a supporting rod (13) is arranged between the first bearing block (9) and the second bearing block (10) and located on the front end face of the supporting plate (1).

2. The propeller with the sealing structure for the pulp storage tower, according to claim 1, is characterized in that: the sealing mechanism (4) comprises a shaft sleeve (41), a packing seat (42), a packing gland (43), a sealing ring (44), a water inlet nozzle (45), a stud bolt (46), a limit bolt (47) and a fastening bolt (48), wherein the shaft sleeve (41) is installed at the front end position of the rotating shaft (3) through the fastening bolt (48), the shaft sleeve (41) and the rotating shaft (3) are sealed by two groups of sealing rings (44), the outer side of the shaft sleeve (41) is provided with the packing seat (42) connected with the supporting plate (1), a sealing packing (49) is filled between the shaft sleeve (41) and the packing seat (42) for friction sealing, the outer side of the packing seat (42) is provided with the packing gland (43) through the stud bolt (46), the end part of the packing gland (43) is provided with the water inlet nozzle (45), the limit bolt (47) is installed at the joint of the packing gland (43) and the supporting plate (1), and a packing water ring (410) is arranged on the inner side of the packing gland (43) of the water inlet nozzle (45).

3. The propeller with the sealing structure for the pulp storage tower, according to claim 2, is characterized in that: the tightness of the sealing packing (49) is adjusted by a packing gland (43) through a stud bolt (46).

4. The propeller with the sealing structure for the pulp storage tower, according to claim 2, is characterized in that: and clean water is introduced into the sealing packing (49) from the water inlet nozzle (45) through the packing water ring (410) for lubrication and cooling.