CN220302739U - Dual sealing device for slurry tank stirrer - Google Patents
Dual sealing device for slurry tank stirrer Download PDFInfo
- Publication number
- CN220302739U CN220302739U CN202223433901.9U CN202223433901U CN220302739U CN 220302739 U CN220302739 U CN 220302739U CN 202223433901 U CN202223433901 U CN 202223433901U CN 220302739 U CN220302739 U CN 220302739U
- Authority
- CN
- China
- Prior art keywords
- packing
- main shaft
- slurry tank
- thick liquid
- chi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 230000009977 dual effect Effects 0.000 title description 2
- 238000012856 packing Methods 0.000 claims abstract description 85
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a thick liquid pond agitator double seal device, relate to sealing device technical field, including thick liquid pond flange, vertical rotation is equipped with the main shaft on the thick liquid pond flange, be equipped with mechanical seal on the peripheral wall that the main shaft is in thick liquid pond flange inboard, be equipped with packing seal assembly on the peripheral wall that the main shaft is in thick liquid pond flange outside, packing seal assembly includes the packing room of rigid coupling on thick liquid pond flange outer wall, be equipped with the packing of suit on the main shaft in the packing room, the lower tip of packing room is equipped with the packing gland, the packing gland is fixed in on the packing room through the holding bolt. The utility model solves the problems that the mechanical seal in the prior art has good daily sealing effect, but has high cost, is not easy to replace after being damaged, and is easy to cause a large amount of slurry leakage once damaged.
Description
Technical Field
The utility model relates to the technical field of sealing devices, in particular to a double sealing device of a slurry tank stirrer.
Background
Pulp is a main raw material for papermaking, and is inconvenient to mix and convey due to poor water dispersibility of the pulp, and the pulp in a pulp tank needs to be stirred. The stirring device used in the papermaking process is driven by a motor to rotate, a rotor at the tail end of the main shaft is immersed in paper pulp, the pulp is fully mixed under the action of the main shaft, and a sealing device is arranged at the lower part of the stirrer to prevent the pulp from overflowing.
The utility model discloses a patent of publication number CN210218689U among the prior art, including the packing to thick liquid pond thick liquid tower and the sealed packing of agitator main shaft, the packing includes the packing box body, is close to the one end that the filler axle sleeve is located the inside of thick liquid pond thick liquid tower in the outside of agitator main shaft and is equipped with the distance pipe, thick liquid Chi Jiangda agitator seal structure still includes labyrinth seal, and labyrinth seal includes the quiet ring that has first wall body and inlays the moving ring that has the second wall body in quiet ring, forms the clearance between first wall body and the second wall body, and the clearance is labyrinth passageway shape. The stirrer main shaft plays a double-layer sealing role by adding the packing seal through the labyrinth seal, so that the sealing effect is enhanced, and as the labyrinth seal is added, the stirrer main shaft is additionally provided with a supporting point, and plays a role in rotation supporting protection when radial runout of the main shaft is large or the blades are broken accidentally, so that temporary shutdown caused by mechanical equipment faults is reduced.
The prior devices including the above patents, as they are used, gradually expose the disadvantages of the technology, mainly in the following aspects:
first, mechanical seal daily sealed effectual, but with high costs, be difficult for changing after damaging, easily cause a large amount of thick liquids to leak in case damaging.
Second, packing seal is with low costs, easily changes, but sealed effect is poor, needs frequent adjustment, and the inefficacy just becomes invalid when adjusting to the end, can't solve and leak, needs to utilize empty pool opportunity to change as soon as possible.
Thirdly, in order to prevent slurry leakage, maintenance personnel can accelerate the abrasion of the main shaft by adjusting packing seal and frequent pre-tightening, the main shaft replacement cost is high, the disassembly and assembly difficulty is high, the maintenance time is long, and the maintenance is not facilitated.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model solves the problems that the mechanical seal in the prior art has good daily sealing effect, but has high cost, is not easy to replace after being damaged, and is easy to cause a large amount of slurry leakage once damaged; the packing has low sealing cost and is easy to replace, but the sealing effect is poor, the packing needs to be frequently adjusted, and the packing fails when being adjusted to the bottom, so that the packing cannot solve leakage and needs to be replaced by using an empty pool as soon as possible; and in order to prevent slurry leakage, maintenance personnel can accelerate the abrasion of the main shaft by adjusting packing seal, the main shaft is high in replacement cost, the disassembly and assembly difficulty is high, the maintenance time is long, and the maintenance is not facilitated.
In order to solve the problems, the utility model provides the following technical scheme:
the double sealing device of the slurry tank stirrer comprises a slurry tank flange, a main shaft is vertically and rotatably arranged on the slurry tank flange,
a mechanical seal is arranged on the peripheral wall of the main shaft positioned at the inner side of the slurry tank flange, a packing seal component is arranged on the peripheral wall of the main shaft positioned at the outer side of the slurry tank flange,
the packing sealing assembly comprises a packing chamber fixedly connected to the outer wall of the slurry tank flange, packing sleeved on the main shaft is arranged in the packing chamber, a packing gland is arranged at the lower end of the packing chamber, and the packing gland is fixed on the packing chamber through a fastening bolt.
As an optimized scheme, the inner wall of the packing chamber is provided with a necking limit section, and the packing is provided with a plurality of necking limit sections which are clamped in parallel.
As an optimized scheme, the upper end part of the packing gland is fixedly connected with a pressing-in protruding part which stretches into the necking limiting section.
As an optimized scheme, a pre-tightening gap is arranged between the upper end face of the packing gland and the lower end face of the packing chamber.
As an optimized scheme, the upper end part of the packing chamber is fixedly connected with a limiting protruding part which extends into the inner hole of the slurry tank flange.
As an optimized scheme, an upper fixing protruding part is fixedly connected on the outer wall of the packing chamber close to the upper end part.
As an optimized scheme, the upper fixing convex part is provided with a fixing hole and is fixed on the slurry tank flange through a fixing bolt.
As an optimized scheme, the outer wall of the packing chamber close to the lower end part is fixedly connected with a lower fixing protruding part.
As an optimized scheme, the lower fixing protruding portion and the packing gland are provided with corresponding through holes, and the fixing bolt is connected in the through holes.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The double sealing design enhances the sealing effect of the slurry tank stirrer, prolongs the service life of the sealing device and ensures the stability of production operation;
(2) After the equipment is modified, the problem of leakage of a large amount of slurry is effectively avoided, the waste of raw material resources is reduced, and the production cost is reduced;
(3) The sealing design is good, the frequency of equipment maintenance when the machine is stopped is effectively reduced, the equipment maintenance cost is saved, and the working efficiency of the stirrer is greatly improved;
(4) The normal operation of the equipment is ensured, and the production efficiency is improved; the equipment maintenance frequency is reduced, and the accessory cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-a main shaft; 2-pulp Chi Falan; 3-mechanical sealing; 4-packing chamber; 5-packing gland; 6-packing; 7-tightening the bolts; 8-upper fixing protrusions; 9-fixing bolts; 10-limiting protruding parts; 11-lower fixing boss; 12-press-in boss.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1, the double sealing device of the slurry tank stirrer comprises a slurry tank flange 2, a main shaft 1 is vertically and rotatably arranged on the slurry tank flange 2,
a mechanical seal 3 is arranged on the peripheral wall of the main shaft 1 positioned at the inner side of the slurry tank flange 2, a packing 6 sealing component is arranged on the peripheral wall of the main shaft 1 positioned at the outer side of the slurry tank flange 2,
the packing 6 sealing assembly comprises a packing chamber 4 fixedly connected to the outer wall of the slurry tank flange 2, a packing 6 sleeved on the main shaft 1 is arranged in the packing chamber 4, a packing gland 5 is arranged at the lower end part of the packing chamber 4, and the packing gland 5 is fixed on the packing chamber 4 through a fastening bolt 7.
The inner wall of the packing chamber 4 is provided with a necking limit section, the packing 6 is provided with a plurality of packing sections, and the packing sections are clamped in the necking limit section in parallel.
The upper end part of the packing gland 5 is fixedly connected with a pressing-in protruding part 12 which stretches into the necking limit section.
A pre-tightening gap is arranged between the upper end face of the packing gland 5 and the lower end face of the packing chamber 4.
The upper end part of the packing chamber 4 is fixedly connected with a limiting protruding part 10 which extends into the inner hole of the slurry tank flange 2.
An upper fixing protruding part 8 is fixedly connected on the outer wall of the packing chamber 4 close to the upper end part.
The upper fixing convex part 8 is provided with a fixing hole and is fixed on the slurry tank flange 2 through a fixing bolt 9.
The outer wall of the packing chamber 4 close to the lower end part is fixedly connected with a lower fixing protruding part 11.
The lower fixing convex part 11 and the packing gland 5 are provided with corresponding through holes, and the fastening bolt 7 is connected in the through holes.
The working principle of the device is as follows:
the double sealing design enhances the sealing effect of the slurry tank stirrer, prolongs the service life of the sealing device and ensures the stability of production operation;
after the equipment is modified, the problem of leakage of a large amount of slurry is effectively avoided, the waste of raw material resources is reduced, and the production cost is reduced;
the sealing design is good, the frequency of equipment maintenance when the machine is stopped is effectively reduced, the equipment maintenance cost is saved, and the working efficiency of the stirrer is greatly improved;
the normal operation of the equipment is ensured, and the production efficiency is improved; the equipment maintenance frequency is reduced, and the cost of accessories is saved;
the sealing device of the slurry tank stirrer does not use a separate sealing mode any more, and the sealing device of the mechanical seal and the packing 6 is designed to be changed into a double sealing device, and the mechanical seal 3 is close to the inner side of the slurry tank.
The utility model is characterized in that the mechanical seal 3 and the packing 6 can be simultaneously installed for sealing, the mechanical seal chamber and the mechanical seal 3 are positioned at the inner side of the slurry tank, the mechanical seal 3 is preferential when the equipment operates, and the packing 6 seals after the mechanical seal 3 is damaged. The packing 6 alone can be used for a long time, and there is sufficient time for the mechanical seal 3 to be replaced in the later stage.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (5)
1. Slurry tank agitator double seal device, its characterized in that: comprises a pulp Chi Falan (2), a main shaft (1) is vertically arranged on the pulp Chi Falan (2) in a rotating way,
a mechanical seal (3) is arranged on the peripheral wall of the main shaft (1) positioned at the inner side of the pulp Chi Falan (2), a packing (6) sealing component is arranged on the peripheral wall of the main shaft (1) positioned at the outer side of the pulp Chi Falan (2),
the packing (6) sealing component comprises a packing chamber (4) fixedly connected to the outer wall of the slurry Chi Falan (2), packing (6) sleeved on the main shaft (1) is arranged in the packing chamber (4), a packing gland (5) is arranged at the lower end part of the packing chamber (4), the packing gland (5) is fixed on the packing chamber (4) through a fastening bolt (7),
the inner wall of the packing chamber (4) is provided with a necking limit section, the packing (6) is provided with a plurality of packing sections which are clamped in the necking limit section in parallel,
the upper end part of the packing gland (5) is fixedly connected with a pressing-in protruding part (12) which stretches into the necking limit section,
the upper end part of the packing chamber (4) is fixedly connected with a limiting protruding part (10) which extends into the inner hole of the slurry Chi Falan (2),
the outer wall of the packing chamber (4) close to the lower end part is fixedly connected with a lower fixing protruding part (11).
2. The slurry tank mixer double seal device according to claim 1, wherein: a pre-tightening gap is arranged between the upper end face of the packing gland (5) and the lower end face of the packing chamber (4).
3. The slurry tank mixer double seal device according to claim 2, wherein: an upper fixing protruding part (8) is fixedly connected on the outer wall of the packing chamber (4) close to the upper end part.
4. A slurry tank mixer double seal apparatus according to claim 3, wherein: the upper fixing protruding part (8) is provided with a fixing hole and is fixed on the slurry Chi Falan (2) through a fixing bolt (9).
5. The slurry tank mixer double seal device according to claim 4, wherein: the lower fixing protruding portion (11) and the packing gland (5) are provided with corresponding through holes, and the fastening bolt (7) is connected in the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223433901.9U CN220302739U (en) | 2022-12-21 | 2022-12-21 | Dual sealing device for slurry tank stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223433901.9U CN220302739U (en) | 2022-12-21 | 2022-12-21 | Dual sealing device for slurry tank stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302739U true CN220302739U (en) | 2024-01-05 |
Family
ID=89351759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223433901.9U Active CN220302739U (en) | 2022-12-21 | 2022-12-21 | Dual sealing device for slurry tank stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302739U (en) |
-
2022
- 2022-12-21 CN CN202223433901.9U patent/CN220302739U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220302739U (en) | Dual sealing device for slurry tank stirrer | |
| CN202108746U (en) | Multi-suction-head anti-silting submersible sewage slurry pump | |
| CN206139117U (en) | Paper pulp thick liquid pond of stirring | |
| CN115228255A (en) | Side-feeding type stirrer sealing device | |
| CN212632567U (en) | Vertical paste mixer inner cylinder drive assembly | |
| CN202117942U (en) | Shielding submerged coupling lift pump | |
| CN215059467U (en) | Store up thick liquid tower propeller with seal structure | |
| CN217463209U (en) | External packing room device of thick liquid pond agitator | |
| CN211849925U (en) | Pump pit of intelligent integrated pump station with sludge self-cleaning function | |
| CN201170213Y (en) | Vertical type self-suction centrifugal pump with liquid leakage drain pipe | |
| CN111606537A (en) | High-efficient anaerobic fermentation jar airtight formula end support agitating unit | |
| CN217971221U (en) | Improved protein conveying spiral sealing bearing chamber | |
| CN218787199U (en) | Integrated mechanical seal for high-efficiency and corrosion-resistant saline water charging pump | |
| CN203686142U (en) | Sealing and protecting device for horizontal lateral stirrer | |
| CN216278524U (en) | Novel high-efficient vertical mixed flow pump | |
| CN219159388U (en) | Leakage-proof structure for bearing of dewatering machine | |
| CN210009870U (en) | Vertical mixer for sludge storage tank | |
| CN212928773U (en) | Main shaft sealing device and spiral slag lifting machine | |
| CN219802083U (en) | Direct-drive transmission structure of vertical pulper | |
| CN208786257U (en) | A kind of machining graphite agitating device | |
| CN212790630U (en) | Hyperboloid mixer | |
| CN219262717U (en) | Vertical submerged pump with medium and high lift | |
| CN215877067U (en) | Pulping and washing device | |
| CN208669620U (en) | A kind of water pump component of good seal performance | |
| CN216295837U (en) | Side stirring device of absorption tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |