CN205533398U - Mechanical seal for slurry pump - Google Patents
Mechanical seal for slurry pump Download PDFInfo
- Publication number
- CN205533398U CN205533398U CN201620083680.2U CN201620083680U CN205533398U CN 205533398 U CN205533398 U CN 205533398U CN 201620083680 U CN201620083680 U CN 201620083680U CN 205533398 U CN205533398 U CN 205533398U
- Authority
- CN
- China
- Prior art keywords
- level
- grades
- stationary
- stationary seat
- seal
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a mechanical seal technical field, concretely relates to have the cooling for one kind and wash the mechanical seal for slurry pump of structure, this mechanical seal for slurry pump, the axle sleeve of off -axial is located including the cover, the axle sleeve is equipped with the stationary seat outward, and the stationary seat is kept away from atmospheric one side and is equipped with one -level end face seal, and the opposite side is equipped with second grade end face seal, the inboard of stationary seat is equipped with the bulge loop, is connected with the water conservancy diversion cover on the bulge loop, the both sides of bulge loop are equipped with cooling water inhalant canal and cooling water exhalant canal respectively on the stationary seat. This sealing device adopts one -level end face seal, second grade end face seal tandem to constitute serial -type end face seal structure, and two -stage end face seal adopts same stationary seat, makes the structure more simply stable to be equipped with the cooling water and wash the structure in seal structure, can wash sealed cooling of one -level on the one hand, can take a small amount of medium that the one -level sealing leak goes out together to effluent treatment plant simultaneously and handle, avoid direct leakage to environment.
Description
Technical field
The utility model relates to technical field of mechanical, is specifically related to a kind of slag with cooling flushing mechanism
Stock pump mechanical seal.
Background technology
Along with industrial expansion, the situation carrying various slurries with pump is increasing, and the sealing of this kind of pump is asked
Topic causes the concern of people day by day.Current domestic Pulp pump continues to use old-fashioned packing seal, not only leakage rate mostly
Greatly, seriously polluted, power consumption very big, and have have a strong impact on being normally carried out of production.Mechanical seal with fill out
Material sealing is compared, and leaks little, and the life-span is long, and energy consumption is low, the most generally mechanical seal is applied to various
In Pulp pump.At present, existing alumina industry Pulp pump mostly is single end face structure, alumina industry slurry
There is solid content high, the features such as solid particle hardness is high, material easily condensation, produce the strongest abrasive particle to sealing
Abrasive action, makes seal face form inordinate wear in early days, causes material from leakage, and sealing life is the shortest,
Often only have a few days to a few weeks.
Utility model content
The purpose of this utility model is to provide a kind of good sealing effect, and stability is high, reduces environmental pollution
It is applicable to the mechanical seal of Pulp pump.
In order to achieve the above object, the utility model employing technical scheme is: Pulp pump mechanical seal, including
The axle sleeve being sheathed on outside axle, described axle sleeve is externally provided with stationary seat, and stationary seat is provided with one-level away from the side of air
End face seal, opposite side is provided with two grades of end face seals, and described one-level end face seal includes being positioned on stationary seat
One-level stationary ring and the one-level rotating ring being positioned on axle sleeve, one-level rotating ring is provided with some near the end face of one-level stationary ring
Seal groove, is provided with one-level flexible member between one-level stationary ring and stationary seat；Described two grades of end face seals include position
Two grades of stationary rings on stationary seat and the two grades of rotating rings being positioned on axle sleeve, two grades of rotating rings are near the end of two grades of stationary rings
Face is provided with some seal grooves, and two grades are provided with two grades of flexible members between stationary ring and stationary seat；Described stationary seat
Inner side be provided with bulge loop, bulge loop connects flow guide sleeve, the external diameter of described flow guide sleeve less than the internal diameter of stationary seat,
The internal diameter of flow guide sleeve is more than the external diameter of axle sleeve correspondence section；On described stationary seat, bulge loop is respectively provided on two sides with cooling
Water intake tunnel and cooling water exhalant canal.
Pulp pump mechanical seal as above, further illustrate into, described stationary seat is externally provided with gland, pressure
Cover and be provided with cooling water and enter passage and cooling water drainage and go out passage.
Pulp pump mechanical seal as above, further illustrate into, described cooling water enters at feeder connection
It is provided with filter screen.
Pulp pump mechanical seal as above, further illustrate into, also include locating piece, the one of locating piece
End is connected with stationary seat, and the other end is connected with gland.
Pulp pump mechanical seal as above, further illustrate into, described one-level rotating ring and two grades of rotating ring ends
Seal groove on face includes air supply trough radially and is positioned at 3 helicla flutes of air supply trough side, and described one-level is moved
Ring and two grades of rotating ring materials are hard alloy.
Pulp pump mechanical seal as above, further illustrate into, described one-level flexible member and two grades of bullets
Property element is annular resilient collar.
Pulp pump mechanical seal as above, further illustrate into, described one-level flexible member and two grades of bullets
Property element is spring, between spring and one-level stationary ring, is respectively equipped with throw-out collar between spring and two grades of stationary rings.
Pulp pump mechanical seal as above, further illustrates as, the diameter of described cooling water intake tunnel
Less than cooling water exhalant canal.
Pulp pump mechanical seal as above, further illustrate into, between described axle sleeve and one-level rotating ring,
Between axle sleeve and two grades of rotating rings, between gland and stationary seat, it is equipped with sealing ring.
Pulp pump mechanical seal as above, further illustrate into, described one-level rotating ring and axle sleeve, two grades
It is equipped with rotational pin between rotating ring and axle sleeve, between gland and stationary seat, is provided with stop pin.
The beneficial effects of the utility model are: this sealing device uses one-level end face seal, two grades of end face seals
One in front and one in back composition tandem end face seal structure, two-stage end face seal uses same stationary seat, makes structure more
Add simple and stable, and in sealing structure, be provided with cooling water washing structure, on the one hand primary seal can be entered
Row cooling is rinsed, and a small amount of medium that simultaneously can be leaked out by primary seal takes wastewater treatment equipment together to and processes,
Avoid being directly leaked to environment, thus decrease environmental pollution.Filter screen it is provided with at cooling water inlet, it is ensured that
Enter the cleaning of sealing mechanism cooling water, protect sealing mechanism.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the seal face structural representation of one-level rotating ring and two grades of rotating rings.
In figure: 1, axle sleeve；2, stationary seat；3, one-level stationary ring；4, one-level rotating ring；5, seal groove；501、
Air supply trough；502, helicla flute；6, two grades of stationary rings；7, two grades of rotating rings；8, bulge loop；9, flow guide sleeve；10、
Cooling water intake tunnel；11, cooling water exhalant canal；12, gland；13, cooling water enters passage；14、
Cooling water drainage goes out passage；15, filter screen；16, locating piece；17, spring；18, throw-out collar；19, sealing ring；
20, rotational pin；21, stop pin.
Detailed description of the invention
Below in conjunction with the accompanying drawings the utility model embodiment is done further details of elaboration.
As it is shown in figure 1, a kind of Pulp pump mechanical seal that the utility model embodiment provides, including being sheathed on axle
Outer axle sleeve 1, axle sleeve 1 rotates with rotating shaft, and described axle sleeve 1 is externally provided with stationary seat 2, and stationary seat 2 is away from greatly
The side of gas is provided with one-level end face seal, and opposite side is provided with two grades of end face seals, and two-stage end face seal uses same
One stationary seat, makes structure simpler stable.Described one-level end face seal includes the one-level being positioned on stationary seat
Stationary ring 3 and the one-level rotating ring 4 being positioned on axle sleeve 1, one-level rotating ring 4 and axle sleeve 1 be provided with rotational pin 20, and one-level is moved
Being additionally provided with sealing ring 19 between ring 4 and axle sleeve 1, one-level rotating ring 4 is provided with some near the end face of one-level stationary ring 3
Seal groove 5.As in figure 2 it is shown, seal groove 5 is evenly distributed on the seal face of one-level rotating ring 4, seal groove 5 wraps
Include air supply trough radially 501 and be positioned at 3 helicla flutes 502 of air supply trough 501 side, the rotation side of helicla flute 502
Adaptation is thought to the rotation direction with rotating shaft.One-level flexible member, institute it is provided with between one-level stationary ring 3 and stationary seat 2
The one-level flexible member stated is annular resilient collar or spring 17, when for spring 17, and spring 17 and one-level stationary ring 3
Between be additionally provided with throw-out collar 18.
Described two grades of end face seals include the two grades of stationary rings 6 being positioned on stationary seat 2 and two grades be positioned on axle sleeve 1
Rotating ring 7, two grades of rotating rings 7 are provided with rotational pin 20 with axle sleeve 1, are additionally provided with sealing between two grades of rotating rings 7 and axle sleeve 1
Circle 19, two grades of rotating rings 7 are again provided with some seal grooves 5 on the end face of two grades of stationary rings 6, and seal groove 5 includes
Air supply trough radially 501 and 3 helicla flutes 502 being positioned at air supply trough 501 side, the direction of rotation of helicla flute 502
Adaptation is thought with the rotation direction of rotating shaft.Two grades of flexible members it are provided with between two grades of stationary rings 6 and stationary seat 2；Described
Two grades of flexible members be annular resilient collar or spring 17, when for spring 17, spring 17 and two grades of stationary rings 6 it
Between be again provided with throw-out collar 18.Described one-level rotating ring 4 and two grades of rotating ring 7 materials are hard alloy.
The inner side of described stationary seat 2 is provided with bulge loop 8, and bulge loop 8 connects has flow guide sleeve 9, outside described flow guide sleeve 9
Footpath is less than the internal diameter of stationary seat 2, and the internal diameter of flow guide sleeve 9 is more than the external diameter of the corresponding section of axle sleeve 1；Described stationary seat 2
Being respectively provided on two sides with of upper bulge loop 8 cools down water intake tunnel 10 and cooling water exhalant canal 11.Described cooling water enters
The diameter of aquaporin 10 is less than cooling water exhalant canal 11.
Described stationary seat 2 is externally provided with gland 12, and gland 12 is provided with cooling water entrance passage 13 and cooling water drainage goes out
Passage 14, described cooling water enters passage 13 and connects with the cooling water intake tunnel 10 on stationary seat 2, described
Cooling water drainage go out passage 14 and connect with the cooling water exhalant canal 11 on stationary seat 2, gland 12 cools down water
The porch entering passage 13 is additionally provided with filter screen 15.By design filter screen, it is ensured that enter sealing mechanism cooling
The cleaning of water, has discharged the impurity in water, has protected sealing mechanism.Tied by the tandem using flushing water
Structure, on the one hand can carry out cooling and rinse primary seal, a small amount of medium that simultaneously can be leaked out by primary seal
Take wastewater treatment equipment together to process, it is to avoid be directly leaked to environment, thus decrease environmental pollution.Also
Being provided with locating piece 16, one end of locating piece 16 is connected with stationary seat 2, and the other end is connected with gland 12, makes gland
12 install accurate positionings, are provided with stop pin 21 on gland 12 and stationary seat 2, and gland 12 and stationary seat 2
Between be additionally provided with sealing ring 19.
The utility model is not limited to examples detailed above, in claims limited range of the present utility model
In, various deformation that those skilled in the art can make without creative work or amendment are all by this patent
Protection.
Claims (10)
1. Pulp pump mechanical seal, including the axle sleeve (1) being sheathed on outside axle, it is characterized in that: described axle sleeve (1) is externally provided with stationary seat (2), stationary seat (2) is provided with one-level end face seal away from the side of air, opposite side is provided with two grades of end face seals, described one-level end face seal includes the one-level stationary ring (3) being positioned on stationary seat (2) and the one-level rotating ring (4) being positioned on axle sleeve (1), one-level rotating ring (4) is provided with some seal grooves (5) near the end face of one-level stationary ring (3), it is provided with one-level flexible member between one-level stationary ring (3) and stationary seat (2)；Described two grades of end face seals include the two grades of stationary rings (6) being positioned on stationary seat (2) and the two grades of rotating rings (7) being positioned on axle sleeve (1), two grades of rotating rings (7) are provided with some seal grooves (5) near the end face of two grades of stationary rings (6), are provided with two grades of flexible members between two grades of stationary rings (6) and stationary seat (2)；The inner side of described stationary seat (2) is provided with bulge loop (8), the upper connection of bulge loop (8) has flow guide sleeve (9), the external diameter of described flow guide sleeve (9) is less than the internal diameter of stationary seat (2), and the internal diameter of flow guide sleeve (9) is more than the external diameter of the corresponding section of axle sleeve (1)；Being respectively provided on two sides with of the upper bulge loop (8) of described stationary seat (2) cools down water intake tunnel (10) and cooling water exhalant canal (11).
Pulp pump mechanical seal the most according to claim 1, it is characterized in that: described stationary seat (2) is externally provided with gland (12), gland (12) is provided with cooling water entrance passage (13) and cooling water drainage goes out passage (14).
Pulp pump mechanical seal the most according to claim 2, it is characterised in that: described cooling water enters passage (13) porch and is provided with filter screen (15).
Pulp pump mechanical seal the most according to claim 2, it is characterised in that: also including that locating piece (16), one end of locating piece (16) are connected with stationary seat (2), the other end is connected with gland (12).
Pulp pump mechanical seal the most according to claim 1, it is characterized in that: the seal groove (5) on described one-level rotating ring and two grades of rotating ring end faces includes air supply trough (501) radially and is positioned at 3 helicla flutes (502) of air supply trough (501) side, and described one-level rotating ring (4) and two grades of rotating ring (7) materials are hard alloy.
Pulp pump mechanical seal the most according to claim 1, it is characterised in that: described one-level flexible member and two grades of flexible members are annular resilient collar.
Pulp pump mechanical seal the most according to claim 1, it is characterized in that: described one-level flexible member and two grades of flexible members are spring (17), between spring (17) and one-level stationary ring (3), between spring (17) and two grades of stationary rings (6), be respectively equipped with throw-out collar (18).
Pulp pump mechanical seal the most according to claim 1, it is characterised in that: the diameter of described cooling water intake tunnel (10) is less than cooling water exhalant canal (11).
Pulp pump mechanical seal the most according to claim 1, it is characterised in that: between described axle sleeve (1) and one-level rotating ring (4), between axle sleeve (1) and two grades of rotating rings (7), between gland (12) and stationary seat (2), it is equipped with sealing ring (19).
Pulp pump mechanical seal the most according to claim 1, it is characterized in that: described one-level rotating ring (4) and axle sleeve (1), between two grades of rotating rings (7) and axle sleeve (1), be equipped with rotational pin (20), between gland (12) and stationary seat (2), be provided with stop pin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083680.2U CN205533398U (en) | 2016-01-27 | 2016-01-27 | Mechanical seal for slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083680.2U CN205533398U (en) | 2016-01-27 | 2016-01-27 | Mechanical seal for slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533398U true CN205533398U (en) | 2016-08-31 |
Family
ID=56771483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083680.2U Active CN205533398U (en) | 2016-01-27 | 2016-01-27 | Mechanical seal for slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748492A (en) * | 2019-10-23 | 2020-02-04 | 江苏中兴水务有限公司 | Self-cleaning submersible electric pump and self-cleaning method suitable for same |
| CN112963542A (en) * | 2021-02-01 | 2021-06-15 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
-
2016
- 2016-01-27 CN CN201620083680.2U patent/CN205533398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748492A (en) * | 2019-10-23 | 2020-02-04 | 江苏中兴水务有限公司 | Self-cleaning submersible electric pump and self-cleaning method suitable for same |
| CN112963542A (en) * | 2021-02-01 | 2021-06-15 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
| CN112963542B (en) * | 2021-02-01 | 2021-11-26 | 北京航空航天大学 | Mechanical seal structure suitable for fuel cooling turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205078455U (en) | Composite seal formula sediment stuff pump | |
| CN205533398U (en) | Mechanical seal for slurry pump | |
| CN105090518A (en) | Corrugated pipe type dry gas seal device and seal method | |
| CN202531472U (en) | Single-stage double-suction axially split pump | |
| CN202251979U (en) | Seal device capable of realizing self-circulation cooling | |
| CN201106565Y (en) | High-temperature high sundry-ratio centrifugal type coal liquid pump | |
| CN208702709U (en) | A kind of anticorrosive anti-wear mortar pump | |
| CN101703954A (en) | Feeding circulation combined sealing device of wet type ball mill | |
| CN103851289B (en) | Large high-temperature chicksan | |
| CN201753766U (en) | Pressurized water backwashing type shaft sealing device | |
| CN211344034U (en) | Mechanical sealing device of vapor compressor | |
| CN206943013U (en) | A kind of wear-resistant single-stage double-suction middle-opening pump rinsed with cooling | |
| CN208651923U (en) | A kind of annular disc water pipe rotary joint | |
| CN206957975U (en) | A kind of sealing structure applied to water pump | |
| CN208546317U (en) | A kind of labyrinth seal centrifugal pump | |
| CN207005330U (en) | A kind of surge reliever sealing structure | |
| CN207278887U (en) | A kind of main shaft sealing device | |
| CN205226381U (en) | Pressure reduction means is kept apart to high pressure sediment thick liquid mechanical seal for a pump medium | |
| CN100487295C (en) | High pressure swivel joint | |
| CN212361162U (en) | Rotary compensator | |
| CN210152998U (en) | Slurry pump capable of prolonging service life of mechanical seal | |
| CN207049280U (en) | Variable speed fluid coupling main shaft oil enveloping structure | |
| CN207093270U (en) | A kind of guide vanes of water turbine axle sealing structure | |
| CN210909233U (en) | Water supply cooling structure of drilling machine | |
| CN204253460U (en) | A kind of interior washing unit of Double entry middle-opening pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |