CN109281872A - A kind of mechanical face seals of centrifugal pumps flusher and its manufacturing process - Google Patents

A kind of mechanical face seals of centrifugal pumps flusher and its manufacturing process Download PDF

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Publication number
CN109281872A
CN109281872A CN201811134966.9A CN201811134966A CN109281872A CN 109281872 A CN109281872 A CN 109281872A CN 201811134966 A CN201811134966 A CN 201811134966A CN 109281872 A CN109281872 A CN 109281872A
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China
Prior art keywords
mechanical seal
connecting cylinder
cylinder
grafting
mechanical
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Application number
CN201811134966.9A
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Chinese (zh)
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CN109281872B (en
Inventor
朱兆林
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Anhui Huanke Pump Valve Co Ltd
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Anhui Huanke Pump Valve Co Ltd
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Priority to CN201811134966.9A priority Critical patent/CN109281872B/en
Publication of CN109281872A publication Critical patent/CN109281872A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of mechanical face seals of centrifugal pumps flushers, it include: the upper center of centrifugal pump body equipped with outlet pipe, the side of the outlet pipe is connected with cyclone hydraulic separators by aqueduct, the lower end of the cyclone hydraulic separators is connected to the upper end of connecting cylinder by pipeline, and pipeline is connected to tube inner chamber is connect;First mechanical seal, surface are equipped with helical shunt slot, and first mechanical seal is also disposed on the inner cavity of connecting cylinder, and the first mechanical seal is located at the left side of connecting cylinder;Second mechanical seal, its left end for being fixedly connected on connecting cylinder, second mechanical seal includes being integrally formed and the first grafting cylinder, the second grafting cylinder and end cap disk that the diameter that is arranged from right to left is sequentially increased, the first grafting cylinder are plugged in the first mechanical seal left end equipped in grafting opening.The present invention has circulating filtration effect to the liquid of flushing, effectively prevent the blocking of flushing liquid;First mechanical seal and the second mechanical seal it is easy to assembly, disassembling section is simple.

Description

A kind of mechanical face seals of centrifugal pumps flusher and its manufacturing process
Technical field
The invention belongs to mechanical face seals of centrifugal pumps flusher technical fields, and in particular to a kind of mechanical face seals of centrifugal pumps punching Cleaning device and its manufacturing process.
Background technique
Mechanical seal is the important axle envelope form of one of centrifugal pumping apparatus, and pump high speed rotation can make the sound of mechanical seal Sealing surface generates high temperature, mechanical seal rinsing system by the flushing to mechanical seal, to the static and dynamic sealing face of mechanical seal into Row lubrication and cooling.
Existing machinery sealing flusher cannot be accomplished to filter well to the liquid for flushing, so that flushing liquid is very It is easy to be blocked in mechanical seal, is unfavorable for rinsing cooling, meanwhile, it is inconvenient that the disassembly of mechanical seal is installed, and it is clear to be unfavorable for disassembly It washes.
For this purpose, it is proposed that a kind of mechanical face seals of centrifugal pumps flusher and its manufacturing process, to solve above-mentioned background skill The problem of being mentioned in art.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of mechanical face seals of centrifugal pumps flusher and its manufacturing process The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of mechanical face seals of centrifugal pumps flusher, packet It includes:
Centrifugal pump body, left end middle part are equipped with connecting cylinder, and the right side internal chamber wall of the connecting cylinder is equipped with limit convex looping, the company The inner cavity of connect cylinder is equipped with the filtration ring net being located on the left of limit convex looping;
The upper center of the centrifugal pump body is equipped with outlet pipe, and the side of the outlet pipe is connected with rotary filter press by aqueduct Device, the lower end of the cyclone hydraulic separators is connected to the upper end of connecting cylinder by pipeline, and pipeline is connected to tube inner chamber is connect;
First mechanical seal, surface are equipped with helical shunt slot, and first mechanical seal is also disposed on the inner cavity of connecting cylinder, and First mechanical seal is located at the left side of connecting cylinder;
Second mechanical seal, is fixedly connected on the left end of connecting cylinder, and second mechanical seal includes being integrally formed and from the right side To diameter the first grafting cylinder, the second grafting cylinder and the end cap disk that are sequentially increased of left setting, the first grafting cylinder is plugged in the One mechanical seal left end is equipped in grafting opening.
Preferably, the bearing through pump shaft, the bearing are installed in the first grafting cylinder of second mechanical seal Right end through the first mechanical seal, filtration ring net and limit convex looping and stretching to centrifugal pump body inner cavity.
Preferably, the right end of pump shaft is connected with impeller, and impeller is located at the inner cavity of centrifugal pump body, the right end middle part of centrifugal pump body Equipped with water inlet pipe.
Preferably, the end cap disk is fixed on the left end of connecting cylinder by screw.
The present invention also provides a kind of manufacturing process of mechanical face seals of centrifugal pumps flusher, specifically includes the following steps:
S1, the surface vehicle of the first mechanical seal is gone out into helical shunt slot, then filtration ring net is mounted on inside connecting cylinder, so that Filtration ring net right end resists limit convex looping, and finally the first mechanical seal is also mounted inside connecting cylinder, so that first is mechanical Sealing right end resists the left end of filtration ring net;
S2, outlet pipe side by aqueduct connect cyclone hydraulic separators, the lower end of cyclone hydraulic separators is connected to by pipeline The upper end of connect cylinder, and pipeline is connected to tube inner chamber is connect;
S3, end cap disk are fixed on the left end of connecting cylinder by screw, and the first grafting cylinder is plugged in the first mechanical seal left end and is equipped with In grafting opening, the bearing through pump shaft is installed in the first grafting cylinder.
Compared with prior art, the beneficial effects of the present invention are: a kind of mechanical face seals of centrifugal pumps provided by the invention rinses Device and its manufacturing process, fluid present invention enter cyclone hydraulic separators by aqueduct, under the centrifugal action of cyclone hydraulic separators, Clear liquid flows into connection tube inner chamber by the pipeline of cyclone hydraulic separators lower end, and finally flow to the spiral on the first mechanical seal surface Diversion channel, liquid circulate in helical shunt slot, realize flushing and heat dissipation to the first mechanical seal;Turbid solution passed through simultaneously The inner cavity that centrifugal pump body is flowed into after the filtering of strainer circle has circulating filtration effect to the liquid of flushing, effectively prevent flushing liquor The blocking of body;
Filtration ring net is mounted on inside connecting cylinder, so that filtration ring net right end resists limit convex looping, it is finally mechanical close by first Envelope is also mounted inside connecting cylinder, so that the first mechanical seal right end resists the left end of filtration ring net;End cap disk is solid by screw Due to the left end of connecting cylinder, the first grafting cylinder is plugged in the first mechanical seal left end and is equipped in grafting opening, in the first grafting cylinder The bearing for having run through pump shaft is installed, so that the first mechanical seal and the second mechanical seal is easy to assembly, disassembling section is simple.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention;
Fig. 2 is that the second mechanical seal of the invention connect decomposition texture schematic diagram with bearing;
Fig. 3 is the first mechanical seal and filtration ring net attachment structure schematic diagram of the invention.
In figure: 1 pump shaft, 2 second mechanical seals, 21 end cap disks, 22 second grafting cylinders, 23 first grafting cylinders, 3 screws, 4 axis It holds, 5 first mechanical seals, 51 grafting opening, 6 cyclone hydraulic separators, 7 connecting cylinders, 8 impellers, 9 water inlet pipes, 10 limit convex loopings, 11 Outlet pipe, 12 filtration ring nets, 13 centrifugal pump bodies, 14 aqueducts, 15 helical shunt slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of mechanical face seals of centrifugal pumps flushers of such as Fig. 1-3, comprising:
Centrifugal pump body 13, left end middle part are equipped with connecting cylinder 7, and the right side internal chamber wall of the connecting cylinder 7 is equipped with limit convex looping 10, The inner cavity of the connecting cylinder 7 is equipped with the filtration ring net 12 for being located at 10 left side of limit convex looping;
The upper center of the centrifugal pump body 13 is equipped with outlet pipe 11, and the side of the outlet pipe 11 is connected with by aqueduct 14 Cyclone hydraulic separators 6, the lower end of the cyclone hydraulic separators 6 are connected to the upper end of connecting cylinder 7, and pipeline and connecting cylinder 7 by pipeline Inner cavity connection;
First mechanical seal 5, surface are equipped with helical shunt slot 15, and first mechanical seal 5 is also disposed on the interior of connecting cylinder 7 Chamber, and the first mechanical seal 5 is located at the left side of connecting cylinder 7;
Second mechanical seal 2, is fixedly connected on the left end of connecting cylinder 7, second mechanical seal 2 include be integrally formed and from The first grafting cylinder 23, the second grafting cylinder 22 and the end cap disk 21 that the diameter of right-to-left setting is sequentially increased, the first grafting cylinder 23 are plugged in 5 left end of the first mechanical seal equipped in grafting opening 51.
Specifically, the bearing 4 through pump shaft 1 is installed in first grafting cylinder 23 of second mechanical seal 2, it is described The right end of bearing 4 is through the first mechanical seal 5, filtration ring net 12 and limit convex looping 10 and stretches to 13 inner cavity of centrifugal pump body.
Specifically, the right end of pump shaft 1 is connected with impeller 8, impeller 8 is located at the inner cavity of centrifugal pump body 13, centrifugal pump body 13 Water inlet pipe 9 is equipped in the middle part of right end.
Specifically, the end cap disk 21 is fixed on the left end of connecting cylinder 7 by screw 3.
The present invention also provides a kind of manufacturing process of mechanical face seals of centrifugal pumps flusher, specifically includes the following steps:
S1, the surface vehicle of the first mechanical seal 5 is gone out into helical shunt slot 15, then filtration ring net 12 is mounted in connecting cylinder 7 First mechanical seal 5 is finally also mounted inside connecting cylinder 7 by portion so that 12 right end of filtration ring net resists limit convex looping 10, So that 5 right end of the first mechanical seal resists the left end of filtration ring net 12;
S2, outlet pipe 11 side cyclone hydraulic separators 6 is connected by aqueduct 14, the lower end of cyclone hydraulic separators 6 passes through pipeline company It is connected to the upper end of connecting cylinder 7, and pipeline is connected to 7 inner cavity of connecting cylinder;
S3, end cap disk 21 are fixed on the left end of connecting cylinder 7 by screw 3, and it is left that the first grafting cylinder 23 is plugged in the first mechanical seal 5 End is equipped in grafting opening 51, and the bearing 4 through pump shaft 1 is equipped in the first grafting cylinder 23.
In conclusion compared with prior art, fluid present invention enters cyclone hydraulic separators 6 by aqueduct 14, in spinning liquid Under the centrifugal action of separator 6, clear liquid flows into 7 inner cavity of connecting cylinder by the pipeline of 6 lower end of cyclone hydraulic separators, and finally flow to The helical shunt slot 15 on 5 surface of the first mechanical seal, liquid circulate in helical shunt slot 15, realize to the first mechanical seal 5 Flushing and heat dissipation;The inner cavity that centrifugal pump body 13 is flowed into after turbid solution is filtered by filtration ring net 12 simultaneously, to the liquid of flushing Body has circulating filtration effect, effectively prevent the blocking of flushing liquid;
Filtration ring net 12 is mounted on inside connecting cylinder 7, so that 12 right end of filtration ring net resists limit convex looping 10, finally by first Mechanical seal 5 is also mounted inside connecting cylinder 7, so that 5 right end of the first mechanical seal resists the left end of filtration ring net 12;End cap disk 21 are fixed on the left end of connecting cylinder 7 by screw 3, and the first grafting cylinder 23 is plugged in 5 left end of the first mechanical seal and opens equipped with grafting In mouth 51, the bearing 4 through pump shaft 1 is installed, so that the first mechanical seal 5 and the second mechanical seal in first grafting cylinder 23 2 it is easy to assembly, disassembling section is simple.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (5)

1. a kind of mechanical face seals of centrifugal pumps flusher characterized by comprising
Centrifugal pump body (13), left end middle part are equipped with connecting cylinder (7), and the right side internal chamber wall of the connecting cylinder (7) is equipped with limit convex Looping (10), the inner cavity of the connecting cylinder (7) are equipped with the filtration ring net (12) being located on the left of limit convex looping (10);
The upper center of the centrifugal pump body (13) is equipped with outlet pipe (11), and the side of the outlet pipe (11) passes through aqueduct (14) it being connected with cyclone hydraulic separators (6), the lower end of the cyclone hydraulic separators (6) is connected to the upper end of connecting cylinder (7) by pipeline, And pipeline is connected to connecting cylinder (7) inner cavity;
First mechanical seal (5), surface are equipped with helical shunt slot (15), and first mechanical seal (5) is also disposed on connection The inner cavity of cylinder (7), and the first mechanical seal (5) is located at the left side of connecting cylinder (7);
Second mechanical seal (2), is fixedly connected on the left end of connecting cylinder (7), second mechanical seal (2) include one at The first grafting cylinder (23), the second grafting cylinder (22) and the end cap disk (21) that type and the diameter being arranged from right to left are sequentially increased, institute It states the first grafting cylinder (23) and is plugged in the first mechanical seal (5) left end equipped in grafting opening (51).
2. a kind of mechanical face seals of centrifugal pumps flusher according to claim 1, it is characterised in that: described second is mechanical close The bearing (4) being equipped in the first grafting cylinder (23) of (2) through pump shaft (1) is sealed, the right end of the bearing (4) runs through first Mechanical seal (5), filtration ring net (12) and limit convex looping (10) simultaneously stretch to centrifugal pump body (13) inner cavity.
3. a kind of mechanical face seals of centrifugal pumps flusher according to claim 1, it is characterised in that: the right end of pump shaft (1) It is connected with impeller (8), impeller (8) is located at the inner cavity of centrifugal pump body (13), is equipped with water inlet pipe in the middle part of the right end of centrifugal pump body (13) (9).
4. a kind of mechanical face seals of centrifugal pumps flusher according to claim 1, it is characterised in that: the end cap disk (21) The left end of connecting cylinder (7) is fixed on by screw (3).
5. a kind of manufacturing process of mechanical face seals of centrifugal pumps flusher described in claim 1, it is characterised in that: specifically include Following steps:
S1, the surface vehicle of the first mechanical seal (5) is gone out into helical shunt slot (15), filtration ring net (12) is then mounted on connection Cylinder (7) is internal, so that filtration ring net (12) right end resists limit convex looping (10), finally also installs the first mechanical seal (5) It is internal in connecting cylinder (7), so that the first mechanical seal (5) right end resists the left end of filtration ring net (12);
S2, outlet pipe (11) side by aqueduct (14) connection cyclone hydraulic separators (6), the lower end of cyclone hydraulic separators (6) is logical Piping is connected to the upper end of connecting cylinder (7), and pipeline is connected to connecting cylinder (7) inner cavity;
S3, end cap disk (21) are fixed on the left end of connecting cylinder (7) by screw (3), and the first grafting cylinder (23) is plugged in the first machine Tool seals (5) left end and is equipped in grafting opening (51), and the bearing (4) through pump shaft (1) is equipped in the first grafting cylinder (23).
CN201811134966.9A 2018-09-28 2018-09-28 Mechanical seal flushing device of centrifugal pump and manufacturing process thereof Active CN109281872B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811134966.9A CN109281872B (en) 2018-09-28 2018-09-28 Mechanical seal flushing device of centrifugal pump and manufacturing process thereof

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Application Number Priority Date Filing Date Title
CN201811134966.9A CN109281872B (en) 2018-09-28 2018-09-28 Mechanical seal flushing device of centrifugal pump and manufacturing process thereof

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CN109281872A true CN109281872A (en) 2019-01-29
CN109281872B CN109281872B (en) 2020-04-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566467A (en) * 2019-09-16 2019-12-13 温州焕宏纺织品有限公司 A waste water circulating pump device for high enriched waste water evaporation equipment of thermal power plant
CN111420446A (en) * 2020-04-14 2020-07-17 山东京博中聚新材料有限公司 Colloidal particle pump with pipe network type colloidal particle water-tight seal flusher
CN114838004A (en) * 2022-05-11 2022-08-02 安徽南方化工泵业有限公司 Mechanical seal flushing device of centrifugal pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201176953Y (en) * 2008-03-16 2009-01-07 张金利 Centrifugal pump helix seal axle sleeve
CN102384102A (en) * 2010-08-31 2012-03-21 杨燕 Mechanical seal of anti-corrosion centrifugal pump
CN105570183A (en) * 2015-12-10 2016-05-11 安徽凯特泵业有限公司 Centrifugal pump for automobile manufacturing and paint spraying process
WO2017119882A1 (en) * 2016-01-07 2017-07-13 Stein Seal Company Slurry seal assembly
US20170234321A1 (en) * 2016-02-11 2017-08-17 Baker Hughes Incorporated Load Sharing Spring for Tandem Thrust Bearings of Submersible Pump Assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201176953Y (en) * 2008-03-16 2009-01-07 张金利 Centrifugal pump helix seal axle sleeve
CN102384102A (en) * 2010-08-31 2012-03-21 杨燕 Mechanical seal of anti-corrosion centrifugal pump
CN105570183A (en) * 2015-12-10 2016-05-11 安徽凯特泵业有限公司 Centrifugal pump for automobile manufacturing and paint spraying process
WO2017119882A1 (en) * 2016-01-07 2017-07-13 Stein Seal Company Slurry seal assembly
US20170234321A1 (en) * 2016-02-11 2017-08-17 Baker Hughes Incorporated Load Sharing Spring for Tandem Thrust Bearings of Submersible Pump Assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566467A (en) * 2019-09-16 2019-12-13 温州焕宏纺织品有限公司 A waste water circulating pump device for high enriched waste water evaporation equipment of thermal power plant
CN110566467B (en) * 2019-09-16 2020-11-10 江苏飞跃机泵集团有限公司 A waste water circulating pump device for high enriched waste water evaporation equipment of thermal power plant
CN111420446A (en) * 2020-04-14 2020-07-17 山东京博中聚新材料有限公司 Colloidal particle pump with pipe network type colloidal particle water-tight seal flusher
CN114838004A (en) * 2022-05-11 2022-08-02 安徽南方化工泵业有限公司 Mechanical seal flushing device of centrifugal pump

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