CN208396994U - A kind of mechanically-sealing apparatus for Pulp pump - Google Patents
A kind of mechanically-sealing apparatus for Pulp pump Download PDFInfo
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- CN208396994U CN208396994U CN201820533075.XU CN201820533075U CN208396994U CN 208396994 U CN208396994 U CN 208396994U CN 201820533075 U CN201820533075 U CN 201820533075U CN 208396994 U CN208396994 U CN 208396994U
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- ring
- axle sleeve
- throw
- seal receptacle
- stationary ring
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Abstract
The utility model discloses a kind of mechanically-sealing apparatus for Pulp pump, solve the problems, such as that existing Pulp pump liquid intracavity liquid is easy fouling and sealing device wear-out failure is made to lead to equipment leakage and cause danger.The utility model includes axle sleeve, and outer on the axle sleeve to be with rotating ring, stationary ring, throw-out collar, divide semi-ring and gland, the rotating ring, stationary ring and throw-out collar are fastenedly connected by seal receptacle；One group of spring is shared between the gland and throw-out collar, and throw-out collar and rotating ring and stationary ring is made to mutually form pressure；Between the axle sleeve and fluid chamber, between axle sleeve and stationary ring, between stationary ring and seal receptacle, between axle sleeve and seal receptacle, axle sleeve and divide and be designed with O-ring seals between semi-ring；The utility model stirs liquid intracavity liquid by moving ring assembly, prevents intracavity liquid solidification, fouling, also has structurally reasonable compact, it is easy to use, it can be suitably used under the high environment of impurity content, the features such as reducing the generation of leakage accident, improve the safety in utilization and validity of pump.
Description
Technical field
The utility model relates to mechanical seal fields, fill more particularly to a kind of mechanical seal for Pulp pump
It sets.
Background technique
Pulp pump is widely used in the industry fields such as mine, power plant, dredging, metallurgy, chemical industry, building materials and petroleum.State at present
Interior Pulp pump continues to use old-fashioned packing seal mostly, and not only leakage rate is big, seriously polluted, power consumption is very big, but also some seriously affects
Production is normally carried out.Mechanical seal is compared with packing seal, and leakage is small, and the service life is long, and low energy consumption, both at home and abroad generally will be mechanical
Sealing applications are into various Pulp pumps.Current existing aluminium industry Pulp pump processed is mostly single end face structure, aluminium industry slurry tool processed
Have that solid content is high, the features such as solid particle hardness is high, the easy consolidated structure of the material in pump chamber, very strong abrasive grain is generated to sealing and is ground
Harm is used, and so that seal face is formed early stage inordinate wear, is caused material leakage, and sealing life is very short, often arrive within only several days
Several weeks.
Utility model content
In order to overcome above-mentioned technical deficiency, the utility model provides a kind of mechanically-sealing apparatus for Pulp pump.
The purpose of the utility model is to provide a kind of structurally reasonable, compact, easy to use, reliable, sealing effect is good, stablizes
Property it is high, can be reduced pump leakage accident and environmental pollution and be suitable for the mechanically-sealing apparatus of Pulp pump.
The utility model to achieve the goals above, specifically uses following technical scheme:
A kind of mechanically-sealing apparatus for Pulp pump, comprising: axle sleeve, it is outer on the axle sleeve to be with rotating ring, stationary ring, push away
Ring divides semi-ring and gland, and the rotating ring is arranged in the fluid chamber of the pump housing, contacts with the liquid in fluid chamber.
Between the axle sleeve and fluid chamber, between axle sleeve and stationary ring, between stationary ring and seal receptacle, the pump housing and seal receptacle it
Between, axle sleeve and divide and be designed with O-ring seals between semi-ring.
One group of spring is shared between the gland and throw-out collar, wherein as a kind of mode of selection of the utility model, institute
It states and is equipped with throw-out collar between spring and stationary ring, the throw-out collar is tightly attached between stationary ring and spring and is made between throw-out collar and rotating ring and stationary ring
Pressure is mutually formed, the rotating ring, stationary ring and throw-out collar are fastenedly connected by seal receptacle.
The seal receptacle, which is equipped with, rinses water hole, and the flushing water hole is sealed by plug screw.
Outside framework oil seal is provided between the end face of shaft bush and gland.
The seal receptacle right end is provided with gland, which is connected by the first hexagon socket cap head screw and seal receptacle
It connects.
The working process of the utility model is as follows:
The utility model is used for the mechanically-sealing apparatus of Pulp pump, including axle sleeve, the outer rotating ring, quiet of being on the axle sleeve
Ring, throw-out collar divide semi-ring and gland, and the axle sleeve is rotated with slurry pump startup, and rotating ring is rotated together with axle sleeve during this
Stir liquid intracavity liquid；The gland fastening spring seat, spring are placed in spring base by making to the elastic force that throw-out collar applies
It obtains rotating ring and stationary ring generates pressure, the frictional force of rotating ring and stationary ring is increased, to guarantee good sealing effect.The sealing
Seat is anchored on the pump housing by the second hexagon socket cap head screw, rotating ring and stationary ring is fastened on axle sleeve, on the seal receptacle
Equipped with water hole is rinsed, the flushing water for cooling down moving ring assembly is implemented cooling to reduce by this hole inlet and outlet for rotating ring
Operating temperature makes rotating ring keep good working performance.
Compared with prior art, the utility model has the following beneficial effects:
The utility model by mechanical seal mode, is different from old-fashioned material filling type and seals, have and leak small, the service life first
The advantages of length, low energy consumption.
The utility model have it is structurally reasonable compact, it is easy to use and reliable, can be suitably used for adopting under the high environment of impurity content
With the cooperation of rotating ring and stationary ring, allow sealing device when Pulp pump runs at high speed, moving ring assembly stirs the liquid in fluid chamber
Body, so that it will not foulings, to not influence the elasticity of spring, make to keep pressure between spring and throw-out collar, can remain
Sealing internal pressure is stablized to preventing to leak, and the generation of safety accident is avoided, improve pump safety in utilization and
Validity.
The flushing water of the utility model cooling shaft cover is discharged by rinsing water hole from the circumferential direction of sealing cover, due to sealing cover sheet
Body is not rotated with axis, and the flushing water of discharge can be focused on without flying to spill everywhere, guarantees that flushing water uniformly flows out, to guarantee
The good running environment of Pulp pump.
The seal receptacle and gland of the utility model use separate structure, convenient for disassembly and assembly, cost-saved.
It is provided with outside framework oil seal between the end face of shaft bush and gland of the utility model, further increases the close of device
Sealing property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: 1,3,5,8,9,12,18 be O-ring seals, 2, axle sleeve, 4, pad, 6, rotating ring, 7, stationary ring, 10,
First hexagon socket cap head screw, 11, gland, 13, throw-out collar, 14, spring, 15, spring base, 16, outside framework oil seal, 17, seal receptacle,
19, divide semi-ring, the 20, second hexagon socket cap head screw, 21, the pump housing.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
As shown in Figure 1, example provides a kind of mechanically-sealing apparatus for Pulp pump, including axle sleeve 2, the axle sleeve 2 and liquid
There are O-ring seals 1 for reinforcing sealing effect between body cavity, passes through seal receptacle 17 on the axle sleeve 2 and be fastened with rotating ring 6, stationary ring
7, throw-out collar 13, divide semi-ring 19 and gland 11, starting slurry pump work operation, the axle sleeve 2 is rotated together with pump shaft, the axle sleeve
2 drive rotating ring 6 connected to it to rotate together, and the rotating ring 6 during rotation carries out the molten aluminum in 21 fluid chamber of the pump housing
Stirring is fastened with spring base 15, institute so that the molten aluminum in fluid chamber is not easy solidification, fouling between the gland 11 and axle sleeve 2
It states spring base 15 and is connected with spring 14, the spring 14 is close to throw-out collar 13, generates pressure by own resilient and throw-out collar, increases
Friction between stationary ring 7 and rotating ring 6 is to guarantee good sealing.Since molten aluminum solidification fouling will affect the elasticity of spring 14, lead
The pressure of spring 14 and throw-out collar 13 is caused to fail, stationary ring 7 can not compensate and then rotating ring 6 and the frictional force of stationary ring 7 is made to become smaller, rotating ring
6 and stationary ring 7 contact surface generate gap lead to liquid leakage in 21 fluid chamber of the pump housing.
O-ring seals 3 and O-ring seals 5 are equipped between the axle sleeve 2 and stationary ring 7, to guarantee stationary ring 7 to the maximum extent
It is fastened on axle sleeve 2, increases the sealing of the cooperation to rotating ring 6.The axle sleeve 2 and divides between semi-ring 19 and there are O-ring seals, axle sleeve
2 are fastenedly connected by seal receptacle 17 with stationary ring 7, there is O-ring seals 8, the seal receptacle 17 between the stationary ring 7 and seal receptacle 17
Have O-ring seals 9 between the pump housing 21, have O-ring seals 18 between the seal receptacle 17 and gland 11, by each section it
Between installation O-ring seals carry out the overall sealing performance of stiffening device.
It is equipped with outside framework oil seal 16 between the gland 11 and the end face of axle sleeve 2, further strengthens the leakproofness of device
Energy.
The gland 11 is fixed on seal receptacle 17 by the first hexagon socket cap head screw 10, and the seal receptacle 17 passes through
Second hexagon socket cap head screw 20 is fixed on the pump housing 21.
Specifically, the seal receptacle 17, which is equipped with, rinses water hole, to guarantee that rotating ring 6 can well be run, for cooling down rotating ring 6
Flushing water from rinse water hole enter, make rotating ring 6 cool down after again from rinse water hole seal receptacle circumferentially be discharged, will not fly everywhere
It splashes, guarantees the good running environment of Pulp pump.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (5)
1. a kind of mechanically-sealing apparatus for Pulp pump, comprising: axle sleeve (2), which is characterized in that outside the axle sleeve (2)
It encloses and is equipped with rotating ring (6), stationary ring (7), throw-out collar (13) and gland (11), fluid chamber of rotating ring (6) setting in the pump housing (21)
And it is contacted with the liquid in fluid chamber.
2. the mechanically-sealing apparatus according to claim 1 for Pulp pump, which is characterized in that the axle sleeve (2) and liquid
Between body cavity, between axle sleeve (2) and stationary ring (7), between stationary ring (7) and seal receptacle (17), the pump housing (21) and seal receptacle (17) it
Between, axle sleeve (2) and divide between semi-ring (19) and be designed with O-ring seals.
3. the mechanically-sealing apparatus according to claim 2 for Pulp pump, which is characterized in that the seal receptacle (17)
It is equipped with and rinses water hole, the flushing water hole is sealed by plug screw.
4. the mechanically-sealing apparatus according to claim 2 for Pulp pump, which is characterized in that the seal receptacle (17) is logical
It crosses the second hexagon socket cap head screw (20) to connect with the pump housing (21), seal receptacle (17) right end is provided with gland (11), should
Gland (11) is connect by the first hexagon socket cap head screw (10) with seal receptacle (17).
5. the mechanically-sealing apparatus according to claim 1 for Pulp pump, which is characterized in that the gland (11) with
One group of spring (14) is shared between throw-out collar (13), is equipped with throw-out collar (13) between the spring (14) and stationary ring (7), the throw-out collar
(13) it is tightly attached between stationary ring (7) and spring (14) to make to mutually form between throw-out collar (13) and rotating ring (6) and stationary ring (7) and holds out against
Power, the rotating ring, stationary ring and throw-out collar are fastenedly connected by seal receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533075.XU CN208396994U (en) | 2018-04-16 | 2018-04-16 | A kind of mechanically-sealing apparatus for Pulp pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533075.XU CN208396994U (en) | 2018-04-16 | 2018-04-16 | A kind of mechanically-sealing apparatus for Pulp pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396994U true CN208396994U (en) | 2019-01-18 |
Family
ID=65064804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820533075.XU Active CN208396994U (en) | 2018-04-16 | 2018-04-16 | A kind of mechanically-sealing apparatus for Pulp pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500411A (en) * | 2019-09-04 | 2019-11-26 | 上海创异流体机械有限公司 | A kind of reliable plastics mechanical sealing device used for pump |
-
2018
- 2018-04-16 CN CN201820533075.XU patent/CN208396994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500411A (en) * | 2019-09-04 | 2019-11-26 | 上海创异流体机械有限公司 | A kind of reliable plastics mechanical sealing device used for pump |
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