Pump body sealing ring water cooling device
By setting a groove in the pump body seal ring water cooling device to allow coolant to pass through and using a water agitator to achieve coolant circulation, combined with an external radiator, the problems of long heat conduction paths and poor cooling effect in traditional equipment are solved, achieving efficient and low-cost pump body seal ring cooling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional water-cooled pump body seals suffer from long heat conduction paths, high thermal resistance, poor cooling effects, and require additional water pumps for power, resulting in low heat exchange efficiency and high costs for existing equipment.
A water-cooled cooling device for pump body sealing rings was designed. Coolant is introduced through grooves on the stationary ring and circulated by a water-stirring ring. Combined with an external radiator for heat dissipation, the flow rate of the coolant is matched with the pump speed to achieve precise temperature control and efficient heat dissipation.
It improves heat exchange efficiency, achieves precise temperature control, reduces equipment costs, and eliminates the need for an additional water pump, ensuring the pump body operates at its optimal state.
Smart Images

Figure CN224017379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a water cooling equipment technical field, especially relates to a pump body sealing ring water cooling device. BACKGROUND
[0002] The pump body sealing ring is the core component for preventing medium leakage in pump equipment, and the reliability thereof directly affects the operation efficiency and safety of the equipment. In high-load industrial scenes such as chemical industry, petroleum industry and energy industry, the pump body often needs to transport high-temperature, high-pressure or corrosive medium for a long time, resulting in that the sealing ring faces severe thermal load challenges. In mechanical sealing, the dynamic ring and the static ring will continuously rub to generate high temperature, affecting the mechanical life. In the traditional pump body water cooling equipment, indirect water cooling is often used, such as using jacket cooling. This way has a long heat conduction path, large thermal resistance, poor cooling effect, and the cooling water is far away from the sealing ring, so it is difficult to accurately control the temperature. In addition, an external cooling water pump is needed to provide additional power, increasing energy consumption and equipment cost. Therefore, the pump body sealing ring water cooling device is provided to solve the above problems. SUMMARY
[0003] The utility model discloses a pump body sealing ring water cooling device, solves the problem that the heat conduction path of traditional sealing ring water cooling equipment is long, the thermal resistance is large, the cooling water is far away from the sealing ring and an external water pump is needed.
[0004] The utility model provides a pump body sealing ring water cooling device, including the rotating shaft, the rotating shaft sleeve has static ring shell and dynamic ring shell, be equipped with static ring in the static ring shell, the static ring outside sleeve joint has static ring sealing ring, the static ring has the recess, the recess has the water stirring ring fixed sleeve in the rotating shaft, the static ring is connected with cooling device, be equipped with dynamic ring in the dynamic ring shell, the dynamic ring is through spring and rests on static ring, the dynamic ring inboard sleeve joint has dynamic ring sealing ring.
[0005] Preferably, the static ring includes two first semicircular rings, the first semicircular ring is fixed at both ends with a fixed ring fixed block, a threaded hole is opened on the fixed ring fixed block, a circulating water port is opened on the side surface of the first semicircular ring, and a sealing ring groove corresponding to the static ring sealing ring is also opened on the first semicircular ring.
[0006] Preferably, the water stirring ring includes two second semicircular rings, the two second semicircular rings are connected through bolts, and a plurality of water disturbing plates are fixed on the second semicircular rings.
[0007] Preferably, the cooling device includes a cooling water pipe connected to the circulating water port, the cooling water pipe is connected with a cooling water branch pipe, the cooling water branch pipe passes through the cooling fin in a staggered manner, a dustproof plate and a cooler bottom plate are respectively installed on the upper and lower parts of the cooling fin, and a support is installed on the cooler bottom plate.
[0008] Preferably, the water stirring ring is fixed on the rotating shaft by a top wire.
[0009] Preferably, a baffle is installed in the groove between the two circulating water inlets.
[0010] Preferably, the bracket is a detachable bracket.
[0011] From the above technical solutions, the utility model provides a pump body sealing ring water cooling device. In use, the water stirring ring is first fixed on the rotating shaft, then the static ring is sleeved outside the water stirring ring, and the pump body shell is used for fixation, two cooling water pipes are connected to the two circulating water inlets, and when working, the static ring and the dynamic ring of the pump body rub through the end face, and the generated high temperature is transferred to the cooling liquid in the groove. When the shaft of the pump body rotates, the water stirring ring fixed on the rotating shaft rotates. The water stirring ring is composed of two second semicircular rings and a plurality of water disturbing plates fixed on the second semicircular rings. The water disturbing plates can drive the cooling liquid to circulate in the groove. A baffle is installed in the groove between the two circulating water inlets. In order to prevent the rotation of the water stirring ring, the baffle does not contact the water disturbing plate. At this time, the cooling liquid circulating in the groove will flow out from one circulating water inlet, and the cooling liquid cooled by the cooling device will flow into the other circulating water inlet. The cooling device can be fixed on the pump body shell. Because the water stirring ring is fixed on the rotating shaft, the flow rate of the cooling liquid is proportional to the rotating speed of the pump. The faster the rotating speed, the greater the heat generation of the pump, the faster the flow rate of the cooling liquid, and the higher the heat dissipation power. A positive feedback cycle is achieved to ensure that the pump is always in the best working state.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The static ring is cooled by the cooling liquid introduced into the groove on the static ring, which is closer to the friction surface and has higher heat exchange efficiency.
[0014] 2. The water stirring ring fixed on the rotating shaft realizes circulation of the cooling water. The flow rate of the cooling liquid can be adapted to the rotating speed of the pump to realize precise temperature control without the need of an additional water pump to provide power.
[0015] 3. The cooling device is used for heat dissipation of the cooling liquid. The cooling device is directly external, has good heat dissipation effect, and has high flexibility. The cooling device can be installed at any position as required.
[0016] In summary, by using the root application, the cooling liquid can be introduced into the groove on the static ring to cool the friction surface. The flow rate of the cooling liquid can be adapted to the rotating speed of the pump body. Finally, the external radiator is used for heat dissipation. The overall heat transfer path is short, the temperature can be adaptively reduced, and an additional water pump is not needed. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to make the technical scheme of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment, obviously, for the ordinary skilled in the art, without the premise of creating the labor intensity, can also obtain other drawings according to these drawings.
[0018] Figure 1 The whole structure schematic diagram of a pump body sealing ring water cooling device is provided for the utility model;
[0019] Figure 2 The appearance drawing of a pump body sealing ring water cooling device is provided for the utility model;
[0020] Figure 3 The structure schematic diagram of static ring and water stirring ring of a pump body sealing ring water cooling device is provided for the utility model.
[0021] Figure 4 The structure schematic diagram of cooling device in a pump body sealing ring water cooling device is provided for the utility model.
[0022] In the drawing: 1, static ring shell;2, static ring;201, first half ring;202, circulating water port;203, fixed ring fixed block;204, sealing ring groove;3, baffle;4, recess;5, water stirring ring;501, second half ring;502, water disturbing plate;6, static ring sealing ring;7, cooling device;701, cooling water pipe;702, support;703, cooling water branch pipe;704, cooler bottom plate;705, cooling fin;706, dustproof plate;8, dynamic ring shell;9, spring;10, dynamic ring;11, dynamic ring sealing ring;12, rotating shaft. Specific implementation
[0023] In order to make the technical scheme of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment, obviously, for the ordinary skilled in the art, without the premise of creating the labor intensity, can also obtain other drawings according to these drawings.
[0024] Referring to Figures 1-4The utility model relates to a pump body sealing ring water cooling device, be applied to water cooling equipment technical field, can be into the groove on static ring cooling liquid and carry out cooling to friction face, and can be according to the flow rate of cooling liquid of pump body's rotation speed self -adaptation, finally through external radiator carries out heat dissipation. Specifically, including rotating shaft 12, rotating shaft 12 is covered with static ring shell 1 and dynamic ring shell 8, be equipped with static ring 2 in static ring shell 1, static ring 2 and static ring shell 1 between pass through static ring sealing ring 6 and seal, sealing ring can adopt acrylate sealing ring, static ring 2 outside cover and connect with static ring sealing ring 6, static ring 2 has the recess 4 in, the recess 4 has the water stirring ring 5 fixed cover and connects on rotating shaft 12, and the water stirring ring 5 can rotate in the recess 4, plays the circulation effect to cooling liquid, static ring 2 is connected with cooling device 7, be equipped with dynamic ring 10 in dynamic ring shell 8, dynamic ring 10 is resisted on static ring 2 through spring 9, and dynamic ring 10 inside cover and connect with dynamic ring sealing ring 11, and dynamic ring sealing ring 11 can play the sealing effect to dynamic ring, and the material is same with static ring sealing ring 6, and spring 9 passes through extrusion dynamic ring 10 and makes dynamic ring 10 and static ring 2 seal, and the recess 4 passes through circulating water port 202 and flow to cooling device in cooling liquid, has reached the cooling of static ring 2.
[0025] In the utility model, static ring 2 includes two first half rings 201, and the first half ring 201 is fixed with a fixed ring fixed block 203 at both ends, a threaded hole is formed in the fixed ring fixed block 203, the two fixed ring fixed blocks 203 can be fixed together through bolts, a circulating water port 202 is formed in the side surface of the first half ring 201, and a sealing ring groove 204 corresponding to the static ring sealing ring 6 is also formed in the first half ring 201, baffles 3 are arranged between the circulating water ports 202, the baffles 3 are installed in the recess 4, and when the cooling liquid is circulated under the drive of the water stirring ring 5, the baffles 3 can make the cooling liquid flow to the cooling device 7, and the rotation of the water stirring ring 5 is not affected by the baffles 3.
[0026] In the utility model, the water stirring ring 5 includes two second half rings 501, the two second half rings 501 are connected through bolts, a plurality of water disturbing plates 502 are fixed on the second half ring 501, the water stirring ring 5 needs to rotate together with the rotating shaft 12, in order to make the water stirring ring 5 more closely fixed with the rotating shaft 12, the water stirring ring 5 can be fixed on the rotating shaft 12 through jacks, when the water stirring ring 5 is installed, the two half rings are buckled on the rotating shaft 12, then the second half ring 501 is fixed through the screw hole on the second half ring 501, after the fixing is completed, the jacks are used to reinforce the water stirring ring 5, so that the operation of the equipment is more stable.
[0027] In this utility model, the cooling device 7 includes a cooling water pipe 701 connected to the circulating water inlet 202. The cooling water pipe 701 extends from the stationary ring housing 1 and is fixed to the outer wall of the stationary ring housing 1. The cooling water pipe 701 is connected to a cooling water branch pipe 703. The cooling water branch pipe 703 is coiled and passes through the cooling fins 705. The coiled cooling water branch pipe 703 can significantly enhance the heat dissipation capacity of the cooling device. Dustproof plates 706 and cooler base plates 704 are respectively installed on the upper and lower parts of the cooling fins 705. A bracket 702 is installed on the cooler base plate 704. The bracket 702 is a detachable bracket, and different types of brackets can be replaced as needed to facilitate the fixing of the cooling device 7 in any place. At the same time, it is necessary to adapt to cooling water branch pipes 703 of different lengths.
[0028] As can be seen from the above technical solution, in use, the stirring ring 5 is first fixed on the rotating shaft 12, then the stationary ring 2 is placed on the outside of the stirring ring 5 and fixed with the pump body shell. The two cooling water pipes 701 are connected to the two circulating water inlets 202. During operation, the stationary ring 2 and the moving ring 10 of the pump body rub against each other through their end faces, and the high temperature generated is transferred to the coolant in the groove 4. When the shaft of the pump body rotates, it will drive the stirring ring 5 fixed on the rotating shaft 12 to rotate. The stirring ring 5 is composed of two second semi-circular rings 501 and several water-spreading plates 502 fixed on the second semi-circular rings 501. The water-spreading plates 502 can drive the coolant in the groove 4. In the intermediate circulation, a baffle 3 is installed in the groove 4 between the two circulation ports 202. To prevent interference with the rotation of the agitator ring 5, the baffle 3 does not contact the agitator plate 502. At this time, the coolant circulating in the groove 4 will flow out from one circulation port 202, and the coolant passing through the cooling device 7 will flow in from the other circulation port 202. The cooling device 7 can be fixed on the pump body shell. Since the agitator ring 5 is fixed on the rotating shaft 12, the flow rate of the coolant is proportional to the pump speed. The faster the speed, the greater the heat generated by the pump. The faster the coolant flow rate, the higher the heat dissipation power, achieving a positive feedback cycle and ensuring that the pump is always in the best working state.
[0029] Other embodiments of the present invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of the invention is indicated by the claims.
[0030] It should be understood that this utility model is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model.
Claims
1. A water-cooled cooling device for a pump body seal ring, comprising a rotating shaft (12), characterized in that: The rotating shaft (12) is fitted with a stationary ring housing (1) and a moving ring housing (8). The stationary ring housing (1) contains a stationary ring (2). A stationary ring sealing ring (6) is fitted on the outside of the stationary ring (2). The stationary ring (2) contains a groove (4). A water stirring ring (5) is fitted on the rotating shaft (12) in the groove (4). The stationary ring (2) is connected to a cooling device (7). The moving ring housing (8) contains a moving ring (10). The moving ring (10) is pressed against the stationary ring (2) by a spring (9). A moving ring sealing ring (11) is fitted on the inside of the moving ring (10).
2. The pump body sealing ring water-cooling device according to claim 1, characterized in that, The stationary ring (2) includes two first semicircular rings (201). The first semicircular ring (201) has a fixed ring fixing block (203) at both ends. The fixed ring fixing block (203) has a threaded hole. The first semicircular ring (201) has a circulating water inlet (202) on its side. The first semicircular ring (201) also has a sealing ring groove (204) corresponding to the stationary ring sealing ring (6).
3. The pump body sealing ring water cooling device according to claim 1, characterized in that, The water-stirring ring (5) includes two second semicircular rings (501), which are connected by bolts, and several water-stirring plates (502) are fixed on the second semicircular rings (501).
4. The pump body sealing ring water cooling device according to claim 2, characterized in that, The cooling device (7) includes a cooling water pipe (701) connected to the circulating water inlet (202), the cooling water pipe (701) is connected to a cooling water branch pipe (703), the cooling water branch pipe (703) is coiled through the cooling fins (705), the cooling fins (705) are respectively equipped with a dustproof plate (706) and a cooler base plate (704) on the upper and lower sides, and a bracket (702) is installed on the cooler base plate (704).
5. The pump body sealing ring water cooling device according to claim 3, characterized in that, The stirring ring (5) is fixed on the rotating shaft (12) by a set screw.
6. The pump body sealing ring water-cooling device according to claim 4, characterized in that, A baffle (3) is installed in the groove (4), and the baffle (3) is located between the two circulating water inlets (202).
7. The pump body sealing ring water cooling device according to claim 4, characterized in that, The bracket (702) is a detachable bracket.