A high-efficiency centrifugal energy-saving pump for gas-liquid separator

Through the synergistic effect of oil feeding and thermal conduction mechanism, the problem of degradation of sealing performance of centrifugal pumps for gas-liquid separators is solved, and the wear of the sealing surface is slowed down, media leakage is reduced and energy consumption is saved, ensuring the stable and efficient operation of the pump.

CN120332235BActive Publication Date: 2025-08-19JIANGSU KEMAN MACHINERY MFG
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202510824595.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-19
Publication Date
2025-08-19
Estimated Expiration
2045-06-19

AI Technical Summary

Technical Problem

The sealing structure of the existing centrifugal pump for gas-liquid separators is reduced due to friction between the dynamic ring and the static ring, and the medium leakage and heat increase, which affects the pumping efficiency and stability.

Method used

The oil feeding mechanism and the heat conduction mechanism are adopted to connect the spring to drive the moving ring to compensate for the wear gap, and the oil feeding mechanism squeezes the lubricating oil to the sealing surface. The heat conduction mechanism reduces the temperature of the moving ring through cooling cycles and heat dissipation parts, realizing the organic combination of seal compensation, lubrication and cooling.

Benefits of technology

Significantly slows down the wear of the sealing surface, extends the life of sealed components, reduces the risk of media leakage, improves pumping efficiency, reduces equipment failure downtime and energy consumption, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120332235B_ABST
    Figure CN120332235B_ABST
Patent Text Reader

Abstract

The present invention relates to the technical field of energy-saving pumps, specifically to a high-efficiency centrifugal energy-saving pump for a gas-liquid separator, comprising a pump body and a fixed shell installed on the pump body, and further comprising: a first connecting shaft, arranged on the fixed shell, on which a positioning ring and a moving ring body are coaxially arranged, a connecting spring being arranged between the positioning ring and the moving ring body; a static ring body, fixed in the fixed shell and sealingly matched with the moving ring body; an oil supply mechanism, arranged between the positioning ring and the moving ring body, for squeezing lubricating oil; by providing the oil supply mechanism, when the moving ring body and the static ring body are worn due to friction, the connecting spring can drive the moving ring body to move axially to compensate for the wear gap. At the same time, the movement of the moving ring body will drive the oil supply mechanism to operate, and the fixed slide restricts the movement of the sliding clamping plate, so that the lubricating oil in the fixed column can be pressed into the mating surface of the static ring body and the moving ring body through the oil outlet pipe, which can significantly slow down the wear of the sealing surface and extend the service life of the moving ring body and the static ring body.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of energy-saving pumps, in particular to a high-efficiency centrifugal energy-saving pump for a gas-liquid separator. Background Art

[0002] In modern industry, centrifugal pumps are used in gas-liquid separators. The sealing performance and operating efficiency of centrifugal pumps have a crucial impact on the energy consumption and stability of the system. However, the sealing structure of existing centrifugal pumps for gas-liquid separators mostly adopts traditional mechanical sealing methods, relying on spring preload to maintain the fit between the dynamic ring and the static ring. As key sealing components, the dynamic and static rings are in constant contact and friction during operation, causing wear on the sealing surface, which in turn reduces the sealing performance, causes media leakage, and affects pumping efficiency. At the same time, the heat generated by friction causes the temperature of the sealing components to rise sharply, which not only accelerates material aging, but also destroys the fit of the sealing surface due to thermal deformation, further exacerbating the risk of leakage. Summary of the Invention

[0003] The object of the present invention is to provide a high-efficiency energy-saving centrifugal pump for a gas-liquid separator to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-efficiency centrifugal energy-saving pump for a gas-liquid separator, comprising a pump body and a fixed shell mounted on the pump body, and further comprising:

[0005] A first connecting shaft is provided on the fixed housing, on which a positioning ring and a moving ring body are coaxially provided, and a connecting spring is provided between the positioning ring and the moving ring body;

[0006] The static ring body is fixed in the fixed housing and seals with the dynamic ring body;

[0007] The oil feeding mechanism is provided between the positioning ring and the movable ring body and is used to squeeze the lubricating oil;

[0008] a heat conduction mechanism, provided on the first connecting shaft, for cooling the dynamic ring body through the first connecting shaft;

[0009] When the dynamic ring body and the static ring body are worn, the connecting spring drives the dynamic ring body to move axially to compensate for the wear gap, and simultaneously drives the oil feeding mechanism to squeeze lubricating oil to the mating surface of the static ring body and the dynamic ring body;

[0010] The heat conduction mechanism includes a tapered cavity opened inside the first connecting shaft, a cooling circulation component connected to the tapered cavity, and a heat dissipation component for dissipating heat from the coolant.

[0011] Preferably, the cooling circulation component includes a plurality of connecting pipes connected to the tapered cavity, and the ends of the plurality of connecting pipes away from the tapered cavity are all connected to a cooling storage pipe, and the plurality of cooling storage pipes are commonly connected to a heat conducting ring.

[0012] Preferably, the end of the connecting conduit away from the conical cavity extends obliquely toward the axial direction away from the first connecting axis, and a plurality of cooling storage tubes are arranged in an annular array on the heat conducting ring.

[0013] Preferably, the heat sink includes a heat sink fixedly mounted on the inner side of the heat-conducting ring and a support connecting rod rotatably arranged on the inner side of the heat-conducting ring, the support connecting rod is provided with fan blades, and the support connecting rod is provided with a driving part.

[0014] Preferably, the driving part includes a driving gear fixedly mounted on one end of the supporting connecting rod, the driving gear is meshed with a fixed gear ring, and the fixed gear ring is fixedly connected to the supporting connecting plate via a connecting fixing plate.

[0015] Preferably, the plurality of cooling storage tubes rotate synchronously with the first connecting shaft. When the cooling storage tube rotates to the upper side of the first connecting shaft, the cooling water therein flows into the conical cavity through the connecting conduit. When the cooling storage tube rotates to the lower side of the first connecting shaft, the cooling water in the conical cavity flows into the cooling storage tube through the connecting conduit.

[0016] Preferably, the heat conducting ring is connected to a support frame plate, one end of the support frame plate away from the heat conducting ring is fixedly connected to a second connecting shaft, the second connecting shaft is rotatably set on the support connecting plate, and the lower end of the support connecting plate is fixedly connected to a support base.

[0017] Preferably, the oil supply mechanism includes a fixed slide fixedly mounted on the positioning ring and an internal shift groove opened inside the dynamic ring body, a sliding card plate is provided on the fixed slide, one end of the sliding card plate is fixedly connected to a connecting folding rod, the connecting folding rod slides and extends into the internal shift groove, and a fixed column is fixedly provided in the internal shift groove.

[0018] Preferably, a piston moving plate is slidably connected in the fixed column, and the end of the connecting folding rod away from the sliding clamping plate slides into the fixed column and is fixedly connected to the piston moving plate. An adding pipe and an oil outlet connecting pipe are provided on the fixed column, and the end of the oil outlet connecting pipe away from the fixed column extends from the annular groove on the dynamic ring body.

[0019] Preferably, when the movable ring body moves axially, the movement of the sliding clamping plate is limited by the fixed slide, and the movable ring body drives the fixed column to move, so that the piston moving plate can press the lubricating oil in the oil storage chamber into the mating surface of the static ring body and the movable ring body through the oil outlet pipe.

[0020] Preferably, one end of the first connecting shaft is fixedly connected to a middle connecting rod, one end of the middle connecting rod is fixedly connected to a second connecting shaft, and one end of the second connecting shaft is connected to a driving motor via a coupling.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. By providing an oil supply mechanism, when the dynamic ring body and the static ring body are worn due to friction, the connecting spring can drive the dynamic ring body to move axially to compensate for the wear gap. At the same time, the movement of the dynamic ring body will drive the oil supply mechanism to operate, and the fixed slide plate limits the movement of the sliding clamping plate, so that the lubricating oil in the fixed column can be pressed into the mating surface of the static ring body and the dynamic ring body through the oil outlet pipe, which can significantly reduce the wear of the sealing surface, extend the service life of the dynamic ring body and the static ring body, reduce the risk of medium leakage, and improve the gas-liquid separation and pumping efficiency.

[0023] 2. By providing a heat-conducting mechanism, when the first connecting shaft rotates, it drives the cooling storage tube to rotate synchronously. Through the inclined connecting conduit, the cooling water can dynamically flow between the conical cavity and the cooling storage tube, and the dynamic ring body can be continuously cooled. At the same time, the heat-conducting ring and the heat dissipation plate cooperate with the fan blades on the supporting connecting rod. Under the meshing action of the driving gear and the fixed gear ring, the fan blades can rotate while following the revolution of the heat-conducting ring, greatly enhancing the air flow, accelerating the heat dissipation, and more efficiently reducing the temperature of the dynamic ring body. It slows down the thermal deformation of the sealing components and material aging caused by high temperature, and ensures stable sealing performance.

[0024] 3. Through the coordinated work of the oil supply mechanism and the heat conduction mechanism, the centrifugal energy-saving pump realizes the organic combination of seal compensation, lubrication and cooling functions. On the one hand, it reduces the medium leakage and equipment downtime caused by seal failure. On the other hand, it reduces the additional energy consumption caused by friction loss and poor heat dissipation, reduces maintenance costs and saves energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 Schematic diagram of the heat conduction mechanism of the present invention.

[0027] Figure 3 It is a schematic diagram of the internal structure of the fixed shell of the present invention.

[0028] Figure 4 It is a schematic diagram of the structure of the dynamic ring body of the present invention.

[0029] Figure 5 It is a schematic diagram of the annular groove structure of the present invention.

[0030] Figure 6 It is a schematic diagram of the internal slot shifting structure of the present invention.

[0031] Figure 7 It is a structural schematic diagram of the oil feeding mechanism of the present invention.

[0032] Figure 8 Schematic diagram of the heat-conducting ring structure of the present invention.

[0033] Figure 9 Schematic diagram of the tapered cavity structure of the present invention.

[0034] Figure 10 It is a schematic diagram of the connecting catheter structure of the present invention.

[0035] Figure 11 This is a schematic diagram of the cooling storage tube structure of the present invention.

[0036] Figure 12 It is a schematic structural diagram of the heat dissipation plate of the present invention.

[0037] Figure 13 It is a schematic structural diagram of the heat conduction mechanism of the present invention.

[0038] Figure 14 It is a schematic diagram of the fan blade structure of the present invention.

[0039] Figure: 1, support base; 2, drive motor; 3, pump body; 31, fixed shell; 4, coupling; 5, impeller; 6, heat conduction mechanism; 7, positioning ring; 8, stationary ring seat; 9, oil supply mechanism; 10, stationary ring body; 11, dynamic ring body; 12, connecting spring; 13, first connecting shaft; 14, middle connecting rod; 15, second connecting shaft; 16, supporting connecting plate; 17, connecting frame plate; 18, annular groove; 91, fixed slide Plate; 92, sliding card plate; 93, connecting folding rod; 94, internal shifting groove; 95, fixed column; 96, piston shifting plate; 97, adding pipe; 98, oil outlet pipe; 61, conical cavity; 62, connecting conduit; 63, cooling storage pipe; 64, thermal ring; 65, heat sink; 66, support frame plate; 67, supporting connecting rod; 68, fan blade; 69, driving gear; 610, fixed gear ring; 611, connecting fixed plate. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] See also Figures 1 to 14The present invention provides a technical solution: a high-efficiency centrifugal energy-saving pump for a gas-liquid separator, comprising a pump body 3 and a fixed shell 31 mounted on the pump body 3, and further comprising: a first connecting shaft 13, arranged on the fixed shell 31, on which a positioning ring 7 and a moving ring body 11 are coaxially arranged, the positioning ring 7 and the first connecting shaft 13 are fixedly connected, and a connecting spring 12 is arranged between the positioning ring 7 and the moving ring body 11; a static ring body 10, fixed in the fixed shell 31 and sealingly matched with the moving ring body 11; an oil feeding mechanism 9, arranged between the positioning ring 7 and the moving ring body 11, for squeezing lubricating oil; a heat conducting mechanism 6, arranged on the first connecting shaft 13, for supplying heat to the moving ring through the first connecting shaft 13 The main body 11 is cooled; when the dynamic ring body 11 and the static ring body 10 are worn, the connecting spring 12 drives the dynamic ring body 11 to move axially to compensate for the wear gap, and simultaneously drives the oil supply mechanism 9 to squeeze the lubricating oil to the matching surface of the static ring body 10 and the dynamic ring body 11; the heat conduction mechanism 6 includes a conical cavity 61 opened inside the first connecting shaft 13, a cooling circulation part connected to the conical cavity 61, and a heat dissipation part for dissipating heat from the coolant. By providing the oil supply mechanism 9, when the dynamic ring body 11 and the static ring body 10 are worn due to friction, the connecting spring 12 can drive the dynamic ring body 11 to move axially to compensate for the wear gap. At the same time, the movement of the dynamic ring body 11 will drive the oil supply mechanism 9 to operate, and the fixed slide The plate 91 limits the movement of the sliding card plate 92, which can realize the lubricating oil in the fixed column 95 being pressed into the matching surface of the static ring body 10 and the dynamic ring body 11 through the oil outlet pipe 98, which can significantly slow down the wear of the sealing surface, extend the service life of the dynamic ring body 11 and the static ring body 10, reduce the risk of medium leakage, and improve the gas-liquid separation and pumping efficiency. By providing a heat conduction mechanism 6, when the first connecting shaft 13 rotates, it drives the cooling storage pipe 63 to rotate synchronously. Through the inclined connecting conduit 62, the dynamic flow of cooling water between the conical cavity 61 and the cooling storage pipe 63 can be realized, and the dynamic ring body 11 is continuously cooled. At the same time, the heat conduction ring 64 and the heat sink 65 cooperate with the fan on the supporting connecting rod 67 The fan blades 68, under the meshing action of the driving gear 69 and the fixed gear ring 610, can rotate on their own while following the revolution of the heat-conducting ring 64, greatly enhancing the air flow, accelerating the heat dissipation, and more efficiently reducing the temperature of the dynamic ring body 11, slowing down the thermal deformation of the sealing components and material aging caused by high temperature, and ensuring the stability of the sealing performance. Through the coordinated work of the oil supply mechanism 9 and the heat-conducting mechanism 6, the centrifugal energy-saving pump realizes the organic combination of sealing compensation, lubrication and cooling functions, on the one hand reducing the medium leakage and equipment failure downtime caused by seal failure, and on the other hand reducing the additional energy consumption caused by friction loss and poor heat dissipation, reducing maintenance costs and saving energy.

[0042] like Figures 9 to 12As shown, the cooling circulation component includes multiple connecting pipes 62 connected to the conical cavity 61, and multiple connecting pipes 62 are connected to a cooling storage pipe 63 at one end away from the conical cavity 61. A heat-conducting ring 64 is commonly connected to the multiple cooling storage pipes 63. The end of the connecting pipe 62 away from the conical cavity 61 extends obliquely toward the axial direction away from the first connecting shaft 13, and multiple cooling storage pipes 63 are arranged in a ring array on the heat-conducting ring 64. When the cooling storage pipe 63 rotates to the upper side of the first connecting shaft 13, the cooling water therein flows into the conical cavity 61 through the obliquely arranged connecting pipe 62. The conical cavity 61 is opened at a position close to the dynamic ring body 11 in the first connecting shaft 13 to achieve cooling of the dynamic ring body 11; when the cooling storage pipe 63 rotates to the lower side, the cooling water in the conical cavity 61 flows into the cooling storage pipe 63 through the connecting pipe 62, and the heat of the cooling water in the cooling storage pipe 63 can be transferred to the heat-conducting ring 64.

[0043] like Figure 13 As shown, the heat sink includes a heat sink 65 fixedly mounted on the inner side of the heat-conducting ring 64 and a support connecting rod 67 rotatably arranged on the inner side of the heat-conducting ring 64, a fan blade 68 is arranged on the support connecting rod 67, and a driving part is arranged on the support connecting rod 67, the driving part includes a driving gear 69 fixedly mounted on one end of the support connecting rod 67, a fixed gear ring 610 is engaged with the driving gear 69, and the fixed gear ring 610 is fixedly connected to the support connecting plate 16 through a connecting fixing plate 611. When the heat-conducting ring 64 rotates, multiple support connecting rods 67 follow the heat-conducting ring 64 to realize orbital revolution. At the same time, since the driving gear 69 is engaged with the fixed gear ring 610 and the fixed gear ring 610 is fixed, the support connecting rod 67 realizes self-rotation during the orbital revolution, driving the fan blade 68 to rotate at high speed, accelerating the air flow, greatly enhancing the heat dissipation effect, and greatly improving the heat dissipation speed of the heat sink 65 and the heat dissipation efficiency of the cooling water.

[0044] like Figures 11 to 14 As shown, multiple cooling storage tubes 63 rotate synchronously with the first connecting shaft 13. When the cooling storage tube 63 rotates to the upper side of the first connecting shaft 13, the cooling water therein flows into the conical cavity 61 through the connecting conduit 62. When the cooling storage tube 63 rotates to the lower side of the first connecting shaft 13, the cooling water in the conical cavity 61 flows into the cooling storage tube 63 through the connecting conduit 62. A support frame plate 66 is connected to the heat conducting ring 64. The end of the support frame plate 66 away from the heat conducting ring 64 is fixedly connected to the second connecting shaft 15. The second connecting shaft 15 is rotatably set on the support connecting plate 16. The lower end of the support connecting plate 16 is fixedly connected to the support base 1.

[0045] like Figures 3 to 7As shown, the oil feeding mechanism 9 includes a fixed slide 91 fixedly mounted on the positioning ring 7 and an internal shift groove 94 opened inside the dynamic ring body 11, a sliding card plate 92 is provided on the fixed slide 91, one end of the sliding card plate 92 is fixedly connected to a connecting folding rod 93, the connecting folding rod 93 slides and extends into the internal shift groove 94, and a fixed column 95 is fixedly provided in the internal shift groove 94, and a piston shift plate 96 is slidably connected in the fixed column 95, and the end of the connecting folding rod 93 away from the sliding card plate 92 slides and extends into the fixed column 95 and is fixedly connected to the piston shift plate 96. An addition pipe 97 and an oil outlet connecting pipe 98 are provided on the fixed column 95, and a one-way liquid inlet valve is provided on the addition pipe 97. The end of the oil outlet connecting pipe 98 away from the fixed column 95 extends from the annular groove 18 on the dynamic ring body 11, and a one-way liquid outlet valve is provided on the oil outlet connecting pipe 98. When the dynamic ring body 11 moves axially, the movement of the sliding card plate 92 is restricted by the fixed slide 91, and the dynamic ring body 11 drives the fixed column 95 to move, which enables the piston moving plate 96 to press the lubricating oil in the oil storage chamber into the matching surface of the static ring body 10 and the dynamic ring body 11 through the oil outlet pipe 98. The dynamic ring body 11 and the static ring body 10 wear due to friction, and the connecting spring 12 then drives the dynamic ring body 11 to move axially to compensate for the wear gap. In this process, the dynamic ring body 11 drives the oil feeding mechanism 9 to operate, and the dynamic ring body 11 drives the fixed column 95 to move. The fixed slide 91 limits the movement of the sliding clamping plate 92, so that the connecting folding rod 93 does not move with the dynamic ring body 11. At the same time, the piston moving plate 96 remains stable. When the fixed column 95 moves, relative movement is generated between the piston moving plate 96 and the fixed column 95, thereby enabling the piston moving plate 96 to press the lubricating oil in the fixed column 95 into the matching surface of the static ring body 10 and the dynamic ring body 11 through the oil outlet pipe 98, thereby achieving lubrication and extending the service life of the static ring body 10 and the dynamic ring body 11.

[0046] like Figure 3 As shown, one end of the first connecting shaft 13 is fixedly connected to the middle connecting rod 14, one end of the middle connecting rod 14 is fixedly connected to the second connecting shaft 15, one end of the second connecting shaft 15 is connected to the drive motor 2 through the coupling 4, and a static ring seat 8 is fixedly provided in the fixed shell 31, and a static ring body 10 is fixedly installed on the static ring seat 8.

[0047] In actual use, the driving motor 2 drives the second connecting shaft 15, the middle connecting rod 14 and the first connecting shaft 13 to rotate through the coupling 4, thereby rotating the impeller 5 in the pump body 3 to realize the pumping function; during operation, the dynamic ring body 11 and the static ring body 10 produce wear due to friction, and the connecting spring 12 then drives the dynamic ring body 11 to move axially to compensate for the wear gap. In this process, the dynamic ring body 11 drives the oil feeding mechanism 9 to operate, and the dynamic ring body 11 drives the fixed column 95 to move, and the fixed slide 91 limits the movement of the sliding card plate 92, thereby making the connection fold. The rod 93 does not move with the moving ring body 11. At the same time, the piston moving plate 96 remains in a stable state. When the fixed column 95 moves, the piston moving plate 96 and the fixed column 95 generate relative movement, thereby enabling the piston moving plate 96 to press the lubricating oil in the fixed column 95 into the matching surface of the static ring body 10 and the dynamic ring body 11 through the oil outlet pipe 98, thereby achieving lubrication and extending the service life of the static ring body 10 and the dynamic ring body 11; at the same time, the first connecting shaft 13 rotates and drives the cooling storage pipe 63 through the middle connecting rod 14, the connecting frame plate 17 and the heat conducting ring 64. When the cooling storage pipe 63 rotates synchronously, the cooling water therein flows into the conical cavity 61 through the inclined connecting pipe 62. The conical cavity 61 is provided in the first connecting shaft 13 at a position close to the dynamic ring body 11, thereby cooling the dynamic ring body 11. When the cooling storage pipe 63 rotates to the lower side, the cooling water in the conical cavity 61 flows into the cooling storage pipe 63 through the connecting pipe 62. The heat of the cooling water in the cooling storage pipe 63 can be transferred to the heat conducting ring 64, and the heat conducting ring 64 transfers the heat to the heat dissipation plate 65. During rotation, the multiple supporting connecting rods 67 follow the heat-conducting ring 64 to realize orbital revolution. At the same time, since the driving gear 69 is engaged with the fixed gear ring 610 and the fixed gear ring 610 is stationary, the supporting connecting rods 67 realize self-rotation during the orbital revolution, driving the fan blades 68 to rotate at high speed, accelerating the air flow, greatly enhancing the heat dissipation effect, and significantly improving the heat dissipation speed of the heat sink 65 and the heat dissipation efficiency of the cooling water, ensuring that the dynamic ring body 11 is always at a suitable working temperature, further extending its service life, and ensuring the long-term stable and efficient operation of the high-efficiency centrifugal energy-saving pump for the gas-liquid separator.

[0048] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency energy-saving centrifugal pump for a gas-liquid separator, comprising a pump body and a fixed shell mounted on the pump body, characterized in that: Also includes: A first connecting shaft is provided on the fixed housing, on which a positioning ring and a moving ring body are coaxially provided, and a connecting spring is provided between the positioning ring and the moving ring body; The static ring body is fixed in the fixed shell and cooperates with the dynamic ring body; The oil feeding mechanism is provided between the positioning ring and the movable ring body and is used to squeeze the lubricating oil; a heat conduction mechanism, provided on the first connecting shaft, for cooling the dynamic ring body through the first connecting shaft; When the dynamic ring body and the static ring body are worn, the connecting spring drives the dynamic ring body to move axially to compensate for the wear gap, and simultaneously drives the oil feeding mechanism to squeeze lubricating oil to the mating surface of the static ring body and the dynamic ring body; The heat conduction mechanism includes a tapered cavity provided inside the first connecting shaft, a cooling circulation member connected to the tapered cavity, and a heat dissipating member for dissipating heat from the coolant; The cooling circulation part includes a plurality of connecting pipes connected to the tapered cavity, and the ends of the connecting pipes away from the tapered cavity are all connected to a cooling storage pipe, and the cooling storage pipes are commonly connected to a heat conducting ring; The end of the connecting conduit away from the tapered cavity extends obliquely in a direction away from the axis of the first connecting axis, and a plurality of cooling storage tubes are arranged in an annular array on the heat conducting ring; The plurality of cooling storage tubes rotate synchronously with the first connecting shaft. When the cooling storage tubes rotate to the upper side of the first connecting shaft, the cooling water therein flows into the conical cavity through the connecting conduit. When the cooling storage tubes rotate to the lower side of the first connecting shaft, the cooling water in the conical cavity flows into the cooling storage tubes through the connecting conduit. The heat sink includes a heat sink fixedly mounted on the inner side of the heat-conducting ring and a support connecting rod rotatably mounted on the inner side of the heat-conducting ring, wherein the support connecting rod is provided with fan blades and a driving part; The driving part includes a driving gear fixedly mounted on one end of the supporting connecting rod, the driving gear is meshed with a fixed gear ring, and the fixed gear ring is fixedly connected to the supporting connecting plate via a connecting fixing plate; The oil feeding mechanism includes a fixed slide fixedly mounted on the positioning ring and an internal shifting groove provided inside the movable ring body, a sliding card plate is provided on the fixed slide plate, one end of the sliding card plate is fixedly connected to a connecting folding rod, the connecting folding rod slides and extends into the internal shifting groove, and a fixed column is fixedly provided in the internal shifting groove; A piston moving plate is slidably connected in the fixed column, and the end of the connecting folding rod away from the sliding clamping plate slides into the fixed column and is fixedly connected to the piston moving plate. An addition pipe and an oil outlet connecting pipe are provided on the fixed column, and the end of the oil outlet connecting pipe away from the fixed column extends out from the annular groove on the dynamic ring body; When the movable ring body moves axially, the movement of the sliding clamping plate is limited by the fixed slide plate, and the movable ring body drives the fixed column to move, so that the piston moving plate can press the lubricating oil in the oil storage cavity into the matching surface of the static ring body and the movable ring body through the oil outlet pipe.

2. The high-efficiency centrifugal energy-saving pump for a gas-liquid separator according to claim 1, characterized in that: The heat conducting ring is connected to a support frame plate, one end of the support frame plate away from the heat conducting ring is fixedly connected to a second connecting shaft, the second connecting shaft is rotatably arranged on the support connecting plate, and the lower end of the support connecting plate is fixedly connected to a support base.

3. The high-efficiency centrifugal energy-saving pump for a gas-liquid separator according to claim 1, characterized in that: One end of the first connecting shaft is fixedly connected to a middle connecting rod, one end of the middle connecting rod is fixedly connected to a second connecting shaft, and one end of the second connecting shaft is connected to a driving motor via a coupling.

Citation Information

Patent Citations

  • Mechanical seal structure of centrifugal pump

    CN117167316A

  • Cooling device for pump

    CN117605710A