CN113187759A - Integrated self-cooling circulating mechanical seal - Google Patents

Integrated self-cooling circulating mechanical seal Download PDF

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Publication number
CN113187759A
CN113187759A CN202110592691.9A CN202110592691A CN113187759A CN 113187759 A CN113187759 A CN 113187759A CN 202110592691 A CN202110592691 A CN 202110592691A CN 113187759 A CN113187759 A CN 113187759A
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China
Prior art keywords
ring
seat
mechanical seal
spring
spring seat
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CN202110592691.9A
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Chinese (zh)
Inventor
任振林
吴志军
陈春生
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Honghao Pump Industry Co ltd
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Honghao Pump Industry Co ltd
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Priority to CN202110592691.9A priority Critical patent/CN113187759A/en
Publication of CN113187759A publication Critical patent/CN113187759A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

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

Abstract

The invention belongs to the field of mechanical seals for pumps, and discloses a self-cooling circulation mechanical seal, which aims to solve the technical problems in the mechanical seal of a centrifugal pump of a corrosion-resistant chemical pump in the prior art. The invention has the advantages of convenient installation, space saving, compact and simple whole structure and cost saving.

Description

Integrated self-cooling circulating mechanical seal
Technical Field
The invention relates to the field of mechanical seals for pumps, in particular to a packaging type self-cooling circulation mechanical seal.
Background
The corrosion-resistant chemical pump usually uses an external mechanical seal, because the metal piece of the mechanical seal is not contacted with a conveying medium, the service life and the application range of the mechanical seal are prolonged, but if the cooling channel is blocked due to crystallization under the working conditions of crystallization and intermittent operation, the mechanical seal cannot be cooled, and the mechanical seal can be damaged. If the common container mechanical seal is used, metal parts are inevitably soaked in a conveying medium, so that the requirement on the corrosion resistance of the metal parts is high, and each metal can only resist one corrosive medium, so that the form of the mechanical seal is more, and the inventory pressure is caused. In addition, the situation that the cooling water cannot be externally connected on site is often encountered, and the integrated mechanical seal must be externally connected with the cooling water, so that the use of the integrated mechanical seal is limited, and the current technology cannot solve the problems.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art of corrosion-resistant chemical pump centrifugal pump mechanical seal, and provides a packaging type self-cooling circulation mechanical seal which is convenient to install and maintain and long in service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a collection dress formula self-cooling circulation mechanical seal, including the machine sealing cover, the cooling water inlet has been seted up on the machine sealing cover, the cooling water outlet, first quiet ring is equipped with to one side of machine sealing cover, the second quiet ring seat is equipped with to the opposite side of machine sealing cover, the machine sealing cover is built-in to have elasticity spacing subassembly, first rotating ring is equipped with to the inboard of first quiet ring, first rotating ring seat has been clamped on the first rotating ring, the second quiet ring is equipped with to the inboard of second quiet ring seat, the inboard of second quiet ring is equipped with the second rotating ring, and the second rotating ring seat has been clamped on the second rotating ring, elasticity spacing subassembly is used for spacing first rotating ring seat and second rotating ring seat, and be equipped with the blade on the second rotating ring seat, first rotating ring, second rotating ring and elasticity spacing subassembly and pump shaft are integrative to be rotated, and form cooling channel between cooling water inlet, first rotating ring seat, second rotating ring seat and the cooling water outlet.
Furthermore, the elastic limiting assembly comprises a spring seat, the second moving ring is installed on the spring seat, the outer circle of the second moving ring is clamped with one side of the second moving ring seat, the middle of the second moving ring seat is provided with a clamping boss, the other side of the second moving ring seat is installed in a matched mode with the spring seat, and a spring used for clamping the first moving ring seat and the second moving ring seat is installed on the spring seat.
Furthermore, one side of the first stationary ring is provided with an anti-loosening O-shaped ring, and an anti-loosening inclined plane is arranged on the machine seal cover at the position matched with the anti-loosening O-shaped ring.
Furthermore, a water-stop plate is arranged between the cooling water inlet and the cooling water outlet on the inner side of the machine sealing cover, an annular flow channel is arranged on the inner side, close to the cooling water outlet, of the machine sealing cover on one side of the water-stop plate, and blades are arranged on the second movable ring seat close to the circulation channel.
Further, the end of the spring seat is also provided with a locking assembly for locking the spring seat.
Furthermore, an anti-rotation mechanism is arranged between the spring seat and the second movable ring seat; the anti-rotation mechanism comprises anti-rotation grooves uniformly distributed on the spring seat, and anti-rotation blocks matched with the anti-rotation grooves are arranged on the second rotating ring seat; and a spring seat O-shaped ring is arranged between the spring seat and the pump shaft.
Furthermore, the locking assembly comprises a locking ring arranged at the end part of the spring seat, and a locking bolt is arranged on the locking ring; the end part of the spring seat is also provided with a locking groove.
Furthermore, a static ring O-shaped ring is arranged between one side of the first static ring close to the pump cover and the mechanical sealing cover, and an organic sealing cover O-shaped ring is arranged between the other side of the first static ring and the mechanical sealing cover; a first moving ring O-shaped ring is arranged between the first moving ring and the pump shaft; a second moving ring O-shaped ring is arranged between the spring seat and the second moving ring; and a second static ring O-shaped ring is arranged between the second static ring seat and the mechanical seal cover.
Furthermore, a second stationary ring L-shaped sealing gasket is arranged between the second stationary ring and the second stationary ring seat.
Further, the spring holder tip still is equipped with the locking groove, and locking groove interval equipartition sets up at the spring holder tip, and the locking groove is the bar groove, and one side that the spring holder terminal surface was kept away from in the bar groove is equipped with the circular recess, and the opposite side in bar groove runs through the terminal surface of spring holder.
Furthermore, a plurality of spring holes are uniformly distributed on the spring seat, and the spring holes are used for mounting springs.
Compared with the prior art, the invention has the following beneficial effects:
the mechanical seal cover, the first movable ring, the elastic limiting assembly, the second movable ring and the second stationary ring are assembled into a whole through the first stationary ring and the second stationary ring seat to form a packaging structure, the mechanical seal cover is connected with the pump cover through the stop buckle on the mechanical seal cover, a designed sealing force can be generated only after the mechanical seal cover is tightly pressed with the pump cover, the mechanical seal cover is convenient to install, and the precision of mechanical seal can be guaranteed. In addition, the invention is provided with a cooling channel for cooling the mechanical seal, and the blades are arranged on the second movable ring seat, so that when the second movable ring seat rotates along with the pump shaft, power is provided for the circulation of cooling water, the cooling water continuously circulates to bring heat produced by friction of the static ring and the movable ring into the cooling water bucket through the cooling water outlet, and the heat is exchanged with air after entering the cooling water bucket and enters the mechanical seal through the cooling water inlet. Self-circulation cooling of the mechanical seal is achieved. The power parts for circulating cooling do not need to be designed independently, so that the space is saved, the whole structure is compact and simple, and the cost is saved.
The elastic limiting component is a spring seat arranged on the pump shaft, the limiting installation of the first movable ring, the first movable ring seat, the second movable ring and the second movable ring seat is realized by utilizing the spring seat, meanwhile, one side of the spring acts on the first movable ring seat and is used for sealing media, and the other side of the spring acts on a clamping boss of the second movable ring seat and is used for sealing cooling water. The spring seat may provide a sealing force to both sealing surfaces simultaneously.
According to the invention, the anti-loosening O-shaped ring is arranged on one side of the first static ring, and the machine sealing cover at the matching part of the anti-loosening O-shaped ring is provided with the anti-loosening inclined plane, so that the first static ring 1 can be prevented from falling from the machine sealing cover 3; due to the inclined plane, the O-shaped ring is easy to enter during installation, and the O-shaped ring is blocked to prevent falling after entering.
According to the invention, the water-stop plate is arranged between the cooling water inlet and the cooling water outlet on the inner side of the machine sealing cover, and the cooling water forms a high-pressure and low-pressure separation area by utilizing the water-stop plate, so that the pressure and the efficiency of conveying and cooling are increased.
The annular flow passage is used for collecting cooling water conveyed by the blades on the second movable ring seat to form pressure to convey the cooling water to the cooling water outlet, so that the cooling water is circulated.
The spring seat is locked on the pump shaft by the locking ring and the locking bolt, and the spring seat is easily deformed by the locking ring and locked on the pump shaft by the locking groove.
The anti-rotation groove and the anti-rotation block are matched to form the anti-rotation mechanism, so that the first rotating ring and the second rotating ring are prevented from rotating relative to the spring seat.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the enclosure of the present invention.
Fig. 3 is a schematic structural view of the spring seat of the present invention.
Fig. 4 is a side view of the spring seat of the present invention.
Fig. 5 is a schematic structural diagram of a second rotating ring seat according to the present invention.
Fig. 6 is a side view of a second rotating ring mount of the present invention.
Fig. 7 is a partially enlarged schematic view of fig. 1.
The reference numerals have the following meanings: 1. a first stationary ring; 2. a stationary ring O-shaped ring; 3. a machine sealing cover; 4. an O-shaped ring of the machine sealing cover; 5. an anti-loosening O-shaped ring; 6. a first rotating ring; 7. a cooling water inlet; 8. a first moving ring O-shaped ring; 9. a first movable ring seat; 10. a spring; 11. a spring seat O-shaped ring; 12. a cooling water outlet; 13. a second movable ring seat; 14. a second rotating ring; 15. a second moving ring O-shaped ring; 16. a second stationary ring O-ring; 17. a second stationary ring; 18. a second stationary ring L-shaped seal; 19. a second stationary ring seat; 20. locking a ring; 21. locking the bolt; 22. a spring seat; 23. a cooling water bucket; 24. a locking inclined plane; 25. a water-stop sheet; 26. an annular flow passage; 27. a locking groove; 28. an anti-rotation slot; 29. a spring hole; 30. a rotation prevention block; 31. a blade; 32. and clamping the boss.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 7, a container type self-cooling circulation mechanical seal, includes a machine enclosure 3, a cooling water inlet 7 and a cooling water outlet 12 are provided on the machine enclosure 3, a first stationary ring 1 is installed on one side of the machine enclosure 3, a second stationary ring seat 19 is installed on the other side of the machine enclosure 3 through bolt fastening, and a second stationary ring O-ring 16 is installed between the second stationary ring seat 19 and the machine enclosure 3 for sealing cooling water. An elastic limiting assembly is arranged in the machine sealing cover 3, an anti-loosening O-shaped ring 5 is arranged on one side of the first stationary ring 1, and an anti-loosening inclined surface 24 is arranged on the machine sealing cover 3 at the position matched with the anti-loosening O-shaped ring 5. A static ring O-shaped ring 2 is arranged between one side, close to the pump cover, of the first static ring 1 and the mechanical seal cover 3, and the first static ring 1 is sealed through the static ring O-shaped ring 2 and the pump cover to prevent the leakage of a conveying medium. An organic sealing cover O-shaped ring 4 is arranged between the other side of the first static ring 1 and the mechanical sealing cover 3 to prevent cooling water from leaking.
A first movable ring 6 is arranged on the inner side of the first stationary ring 1, a first movable ring O-shaped ring 8 is arranged between the first movable ring 6 and the pump shaft, and sealing is formed between the first movable ring and the pump shaft to seal cooling water. The first movable ring 6 is clamped with a first movable ring seat 9, the inner side of a second stationary ring seat 19 is provided with a second stationary ring 17, and a second stationary ring L-shaped sealing gasket 18 is arranged between the second stationary ring 17 and the second stationary ring seat 19 to prevent cooling water leakage. The inner side of the second stationary ring 17 is provided with a second movable ring 14, the second movable ring 14 is clamped with a second movable ring seat 13, and the second movable ring 14 is hot-mounted on the second movable ring seat 13 during installation. And a second movable ring O-shaped ring 15 is arranged between the spring seat 22 and the second movable ring 14 to seal cooling water. The elastic limiting assembly is used for limiting the first moving ring seat 9 and the second moving ring seat 13, the second moving ring seat 13 is provided with blades 31, the second moving ring seat 13, the first moving ring 6, the second moving ring 14 and the elastic limiting assembly rotate integrally with the pump shaft, cooling channels are formed among the cooling water inlet 7, the first moving ring seat 9, the second moving ring seat 13 and the cooling water outlet 12, a water stop plate 25 is arranged between the cooling water inlet 7 and the cooling water outlet 12 on the inner side of the machine seal cover 3, an annular flow channel 26 is arranged on the inner side of the machine seal cover 3, close to the cooling water outlet 12, on one side of the water stop plate 25, the blades 31 are arranged on the second moving ring seat 13, close to the circulation channel 26, and the number of the blades 31 is determined according to the axial diameter of the pump shaft.
The elastic limiting assembly comprises a spring seat 22, a second movable ring 14 is arranged on the spring seat 22, the outer circle of the second movable ring 14 is clamped with one side of a second movable ring seat 13, a clamping boss 32 is arranged in the middle of the second movable ring seat 13, the other side of the second movable ring seat 13 is matched and arranged with the spring seat 22, a plurality of spring holes 29 are uniformly distributed on the spring seat 22, springs 10 for clamping the first movable ring seat 9 and the second movable ring seat 13 are arranged in the spring holes 29, a locking assembly for locking the spring seat 22 is further arranged at the end part, extending out of the spring seat 22, of a second stationary ring seat 19, the locking assembly comprises a locking ring 20 arranged at the end part of the spring seat 22, and a locking bolt 21 is arranged on the locking ring 20; spring holder 22 tip still is equipped with locking groove 27, and spring holder locking groove 27 interval equipartition sets up at spring holder 22 tip, and locking groove 27 is the bar groove, and the one side that spring holder 22 terminal surface was kept away from in the bar groove is equipped with the circular recess, and the opposite side in bar groove runs through spring holder 22's terminal surface.
An anti-rotation mechanism is arranged between the spring seat 22 and the second rotating ring seat 13; the anti-rotation mechanism comprises anti-rotation grooves 28 uniformly distributed on the spring seat 22, anti-rotation blocks 30 matched with the anti-rotation grooves 28 are arranged on the second rotating ring seat 13, and a spring seat O-shaped ring 11 is arranged between the spring seat 22 and the pump shaft.
The first movable ring, the second movable ring, the first static ring and the second movable ring are all made of silicon carbide, all O-shaped rings are made of fluororubber, and all other metal parts are made of stainless steel.
During installation, after the stop buckle of the mechanical seal cover 3 which is integrally formed and mechanically sealed is connected with the pump cover and is tightly fastened and compressed by a bolt, the whole pump is arranged on the pump shaft, the precision can be ensured, the sealing force does not need to be adjusted, and the mechanical seal cover is very convenient to assemble and maintain.
When the second rotating ring seat 13 rotates along with the pump shaft, the blades 31 convey cooling water to form pressure to convey the cooling water to the cooling water outlet 12, so that the cooling water circulates to provide power for the circulation of the cooling water, the cooling water continuously circulates to bring heat produced by friction of the static ring and the rotating ring into the cooling water bucket 23 through the cooling water outlet 12, the heat is exchanged with air after entering the cooling water bucket 23, and the cooling water enters the mechanical seal through the cooling water inlet 7 because the cooling water inlet on one side of the water baffle plate 25 is a low-pressure area, so that self-cooling circulation without additional power parts is realized.

Claims (10)

1.一种集装式自冷却循环机械密封，包括机封罩（3），机封罩（3）上开设有冷却水进口（7）、冷却水出口（12），其特征是：所述机封罩（3）的一侧装有第一静环（1），机封罩（3）的另一侧装有第二静环座（19），机封罩（3）内装有弹性限位组件，第一静环（1）的内侧装有第一动环（6），第一动环（6）上卡装有第一动环座（9），第二静环座（19）的内侧装有第二静环（17），第二静环（17）的内侧装有第二动环（14），且第二动环（14）上卡装有第二动环座（13），弹性限位组件用于限位第一动环座（9）及第二动环座（13），且第二动环座（13）上设有叶片（31），且冷却水进口（7）、第一动环座（9）、第二动环座（13）及冷却水出口（12）之间形成冷却通道。1. A cartridge-type self-cooling circulating mechanical seal, comprising a mechanical seal cover (3), and a cooling water inlet (7) and a cooling water outlet (12) are provided on the mechanical seal cover (3), characterized in that: the A first static ring (1) is installed on one side of the mechanical seal cover (3), a second static ring seat (19) is installed on the other side of the mechanical seal cover (3), and an elastic limiter is installed in the mechanical seal cover (3). The inner side of the first static ring (1) is equipped with a first moving ring (6), the first moving ring (6) is clamped with a first moving ring seat (9), and the second static ring seat (19) A second static ring (17) is installed on the inside of the second static ring (17), a second moving ring (14) is installed on the inside of the second static ring (17), and a second moving ring seat (13) is clamped on the second moving ring (14). ), the elastic limit component is used to limit the first moving ring seat (9) and the second moving ring seat (13), and the second moving ring seat (13) is provided with a blade (31), and the cooling water inlet ( 7) A cooling channel is formed between the first moving ring seat (9), the second moving ring seat (13) and the cooling water outlet (12). 2.根据权利要求1所述的一种集装式自冷却循环机械密封，其特征是：所述弹性限位组件包括弹簧座（22），且第二动环（14）安装在弹簧座（22）上，第二动环（14）的外圆与第二动环座（13）的一侧卡装，第二动环座（13）的中部设有卡装凸台（32），第二动环座（13）的另一侧与弹簧座（22）配合安装，且弹簧座（22）上装有用于卡紧第一动环座（9）及第二动环座（13）的弹簧（10）。2. A cartridge type self-cooling circulating mechanical seal according to claim 1, characterized in that: the elastic limiting component comprises a spring seat (22), and the second moving ring (14) is installed on the spring seat (22). 22), the outer circle of the second movable ring (14) is clamped with one side of the second movable ring seat (13), and the middle of the second movable ring seat (13) is provided with a clamping boss (32), The other side of the second moving ring seat (13) is fitted with the spring seat (22), and the spring seat (22) is equipped with a spring for clamping the first moving ring seat (9) and the second moving ring seat (13) (10). 3.根据权利要求2所述的一种集装式自冷却循环机械密封，其特征是：所述第一静环（1）的一侧装有防松O型圈（5），与防松O型圈（5）配合处的机封罩（3）上设有防松斜面（24）。3. A cartridge type self-cooling circulating mechanical seal according to claim 2, characterized in that: one side of the first static ring (1) is provided with an anti-loosening O-ring (5), which is connected with the anti-loosening O-ring (5). An anti-loosening slope (24) is provided on the machine cover (3) where the O-ring (5) fits. 4.根据权利要求3所述的一种集装式自冷却循环机械密封，其特征是：所述机封罩（3）的内侧冷却水进口（7）与冷却水出口（12）之间设有隔水板（25），隔水板（25）一侧靠近冷却水出口（12）处的机封罩（3）内侧设有环形流道（26）。4. A cartridge self-cooling circulating mechanical seal according to claim 3, characterized in that: a cooling water inlet (7) and a cooling water outlet (12) are arranged between the inner cooling water inlet (7) and the cooling water outlet (12) of the mechanical sealing cover (3). There is a water blocking plate (25), and an annular flow channel (26) is provided on the inner side of the machine sealing cover (3) at one side of the water blocking plate (25) close to the cooling water outlet (12). 5.根据权利要求4所述的一种集装式自冷却循环机械密封，其特征是：其特征是：所述弹簧座（22）伸出的第二静环座（19）的端部还装有用于锁紧弹簧座（22）的锁紧组件。5. A cartridge type self-cooling circulating mechanical seal according to claim 4, characterized in that: the end of the second static ring seat (19) extending from the spring seat (22) is also Fitted with locking assembly for locking spring seat (22). 6.根据权利要求5所述的一种集装式自冷却循环机械密封，其特征是：其特征是：所述弹簧座（22）与第二动环座（13）之间装有防转机构；所述防转机构包括均布设置在弹簧座（22）上的防转槽（28），且第二动环座（13）上设有与防转槽（28）配合的防转块（30）；所述弹簧座（22）与泵轴之间装有弹簧座O型圈（11）。6. A cartridge type self-cooling circulating mechanical seal according to claim 5, characterized in that: an anti-rotation is installed between the spring seat (22) and the second moving ring seat (13). mechanism; the anti-rotation mechanism includes anti-rotation grooves (28) uniformly arranged on the spring seat (22), and the second moving ring seat (13) is provided with an anti-rotation block matched with the anti-rotation groove (28) (30); A spring seat O-ring (11) is installed between the spring seat (22) and the pump shaft. 7.根据权利要求5所述的一种集装式自冷却循环机械密封，其特征是：其特征是：所述锁紧组件包括安装在在弹簧座（22）端部的锁紧环（20），锁紧环（20）上装有锁紧螺栓（21）。7. A cartridge type self-cooling circulating mechanical seal according to claim 5, characterized in that: the locking assembly comprises a locking ring (20) installed at the end of the spring seat (22). ), and the locking bolt (21) is installed on the locking ring (20). 8.根据权利要求5或7所述的一种集装式自冷却循环机械密封，其特征是：所述第一静环（1）靠近泵盖的一侧与机封罩（3）之间装有静环O型圈（2），第一静环（1）的另一侧与机封罩（3）之间装有机封罩O型圈（4）；所述第一动环（6）与泵轴之间装有第一动环O型圈（8）；所述弹簧座（22）与第二动环（14）之间装有第二动环O型圈（15）；所述第二静环座（19）与机封罩（3）之间装有第二静环O型圈（16）；所述第二静环（17）与第二静环座（19）之间装有第二静环L形密封垫（18）。8. A cartridge type self-cooling circulating mechanical seal according to claim 5 or 7, characterized in that: between the side of the first static ring (1) close to the pump cover and the mechanical seal cover (3) A static ring O-ring (2) is installed, and an organic seal O-ring (4) is installed between the other side of the first static ring (1) and the machine cover (3); the first moving ring (6) A first moving ring O-ring (8) is installed between ) and the pump shaft; a second moving ring O-ring (15) is installed between the spring seat (22) and the second moving ring (14); A second static ring O-ring (16) is installed between the second static ring seat (19) and the machine cover (3); the second static ring (17) and the second static ring seat (19) A second static ring L-shaped gasket (18) is installed between. 9.根据权利要求7所述的一种集装式自冷却循环机械密封，其特征是：其特征是：所述弹簧座（22）端部还设有锁紧槽（27），锁紧槽（27）间隔均布设置在弹簧座（22）端部，且锁紧槽（27）为条形槽，且条形槽远离弹簧座（22）端面的一侧设有圆形槽，条形槽的另一侧贯穿弹簧座（22）的端面。9. A cartridge type self-cooling circulating mechanical seal according to claim 7, characterized in that: the end of the spring seat (22) is further provided with a locking groove (27), the locking groove (27) The ends of the spring seat (22) are evenly spaced, and the locking groove (27) is a bar-shaped groove, and the side of the bar-shaped groove away from the end face of the spring seat (22) is provided with a circular groove. The other side of the groove penetrates the end face of the spring seat (22). 10.根据权利要求1所述的一种集装式自冷却循环机械密封，其特征是：所述弹簧座（22）上均布设有多个弹簧孔（29），弹簧孔（29）中用于安装弹簧（10）。10. A cartridge type self-cooling circulating mechanical seal according to claim 1, wherein a plurality of spring holes (29) are evenly distributed on the spring seat (22), and the spring holes (29) are used for to install the spring (10).
CN202110592691.9A 2021-05-28 2021-05-28 Integrated self-cooling circulating mechanical seal Pending CN113187759A (en)

Priority Applications (1)

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CN202110592691.9A CN113187759A (en) 2021-05-28 2021-05-28 Integrated self-cooling circulating mechanical seal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811055A (en) * 2022-05-26 2022-07-29 江苏大学 Non-contact high-temperature mechanical sealing device
CN119934239A (en) * 2025-04-07 2025-05-06 宁波天工流体科技股份有限公司 A leak-free sealing device

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Publication number Priority date Publication date Assignee Title
AR196174A1 (en) * 1972-10-04 1973-11-30 Borg Warner A MECHANICAL SEAL ASSEMBLY
WO2016155221A1 (en) * 2015-03-31 2016-10-06 邢宇 Closed type mechanical sealing pump efficiency ring and shaft seal flushing system having pump efficiency ring
CN110821880A (en) * 2019-11-11 2020-02-21 江苏金海钰龙流体科技有限公司 Forced transmission double-end-face cartridge mechanical seal
CN111623121A (en) * 2020-07-01 2020-09-04 鸿浩泵业有限公司 A parallel double mechanical seal
CN215980082U (en) * 2021-05-28 2022-03-08 鸿浩泵业有限公司 Integrated self-cooling circulating mechanical seal

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
AR196174A1 (en) * 1972-10-04 1973-11-30 Borg Warner A MECHANICAL SEAL ASSEMBLY
WO2016155221A1 (en) * 2015-03-31 2016-10-06 邢宇 Closed type mechanical sealing pump efficiency ring and shaft seal flushing system having pump efficiency ring
CN110821880A (en) * 2019-11-11 2020-02-21 江苏金海钰龙流体科技有限公司 Forced transmission double-end-face cartridge mechanical seal
CN111623121A (en) * 2020-07-01 2020-09-04 鸿浩泵业有限公司 A parallel double mechanical seal
CN215980082U (en) * 2021-05-28 2022-03-08 鸿浩泵业有限公司 Integrated self-cooling circulating mechanical seal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811055A (en) * 2022-05-26 2022-07-29 江苏大学 Non-contact high-temperature mechanical sealing device
CN119934239A (en) * 2025-04-07 2025-05-06 宁波天工流体科技股份有限公司 A leak-free sealing device

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Application publication date: 20210730