Mechanical seal water supercharging device

Abstract

The utility model discloses a mechanical seal water supercharging device which comprises a bottom plate, a mechanical seal water tank is fixedly arranged on one side of the upper end of the bottom plate, one side of the mechanical seal water tank is connected with a supercharging water pump through a connecting pipe, and the side, away from the mechanical seal water tank, of the supercharging water pump is connected with a pumping machine through a conveying pipe. The side, away from the booster water pump, of the pumping machine is connected with a plate heat exchanger through a water inlet pipeline, the upper end of one side of the plate heat exchanger is connected with a mechanical seal water tank through a water return pipeline, and the bottom end of the plate heat exchanger is fixedly connected with the upper end of a bottom plate through a fixing plate. And a plurality of cooling fans are fixedly mounted at the upper end of the fixing plate and located on the two sides of the plate heat exchanger. According to the plate-type heat exchanger, heat discharged by the heat dissipation fins can be dissipated through the heat dissipation fans on the two sides of the plate-type heat exchanger, so that the heat dissipation efficiency of the plate-type heat exchanger can be improved, and the heat dissipation fans can be detached and taken down by separating the insertion of the insertion grooves in the two sides of the bottom ends of the heat dissipation fans through the limiting plates.

Description

Technical Field

[0001] The utility model relates to the technical field of machine sealing water, in particular to a machine sealing water pressurizing device. Background Art

[0002] Pumping machine is a commonly used fluid conveying equipment. Its structure is mainly composed of pump body, impeller, pump shaft, bearing and other parts. When the mechanical seal is working, friction between the dynamic ring and the static ring generates heat and needs to be cooled. Some are cooled directly by the medium water of the pump, while others need to set up a separate pipeline to pass through the mechanical seal. The water used to cool the mechanical seal in this pipeline is the mechanical seal water;

[0003] Prior art CN202220145661.3, a machine sealing water system, which introduces a certain amount of machine sealing water into a machine sealing water tank through a water inlet, closes the water inlet, introduces fresh steam preheater machine sealing water into the preheating coil assembly, closes the steam inlet valve, and then the machine sealing water flows through the machine sealing water inlet pipeline through the machine sealing water pump into the plate heat exchanger, the machine sealing water exchanges heat and cools down with the circulating cooling water in the plate heat exchanger, and then enters the pump mechanical seal through the machine sealing water inlet pipeline, and the machine sealing water passing through the mechanical seal returns to the machine sealing water tank through the machine sealing water return pipeline, the system forms a closed loop, so that the machine sealing water can be recycled, thereby saving production costs.

[0004] However, when the mechanical seal water dissipates heat through the plate heat exchanger, it cannot quickly dissipate the heat discharged by the plate heat exchanger, thereby affecting the heat exchange efficiency, and when the cooling fan is not needed or is damaged after long-term use, it is inconvenient to remove it; therefore, it does not meet the existing needs, and we have proposed a mechanical seal water booster device. Utility Model Content

[0005] The purpose of the utility model is to provide a machine sealing water booster device to solve the problem proposed in the above background technology that the machine sealing water cannot quickly dissipate the heat discharged by the plate heat exchanger when dissipating heat through the plate heat exchanger, thereby affecting the heat exchange efficiency, and it is inconvenient to remove the cooling fan when it is not needed or is damaged after long-term use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine-sealed water booster device, comprising a base plate, a machine-sealed water tank is fixedly provided on one side of the upper end of the base plate, a booster water pump is connected to one side of the machine-sealed water tank via a connecting pipe, a pump is connected to a side of the booster water pump away from the machine-sealed water tank via a delivery pipe, a plate heat exchanger is connected to a side of the pump away from the booster water pump via a water inlet pipe, an upper end of one side of the plate heat exchanger is connected to the machine-sealed water tank via a return water pipe, the bottom end of the plate heat exchanger is fixedly connected to the upper end of the base plate via a fixing plate, and a plurality of cooling fans are fixedly installed on the upper end of the fixing plate and on both sides of the plate heat exchanger.

[0007] Preferably, a groove is provided inside the upper end of the fixing plate, a limiting groove is provided in the middle of the groove, both sides of the limiting groove are slidably connected with sliders, and the sides of the sliders on both sides that are away from each other are fixedly connected to the limiting plate.

[0008] Preferably, one side of the two sliding blocks is fixedly connected to an ear plate, the inside of the two ear plates is hinged with a connecting rod, the end of the two connecting rods away from the ear plate is hinged to a support plate, the side of the support plate away from the connecting rod is connected to a threaded rod through a bearing, and one end of the threaded rod is threaded through the fixed plate and extends to the outside of the fixed plate.

[0009] Preferably, two sides of the bottom end of the heat dissipation fan are clamped to the inside of the groove through a connecting plate, a slot matching the limiting plate is opened on the surface of the connecting plate, and the limiting plate is plugged into the slot.

[0010] Preferably, vertical parallel heat dissipation fins are provided on both sides of the plate heat exchanger, and the heat dissipation fans are located on both sides of the heat dissipation fins.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model connects the connecting pipe between the machine seal water tank and the booster water pump, and delivers the machine seal water to the inside of the pump machine through the delivery pipe, and cools the inside of the pump machine, so that the machine seal water absorbs the heat of the pump machine, and the water pressure of the machine seal water is enhanced by the effect of thermal expansion and contraction, and enters the inside of the plate heat exchanger under the connection of the water inlet pipe. The machine seal water exchanges heat and cools down with the heat dissipation fins in the plate heat exchanger. When the cooled machine seal water contracts, the water pressure strength is relatively reduced, so that the heat exchange time of the machine seal water in the pipeline can be increased. Then, the cooled machine seal water enters the machine seal water tank again through the return pipe to form a cycle, which effectively reduces the high temperature generated by the friction of the transmission shaft inside the pump machine;

[0013] 2. The utility model can dissipate the heat discharged by the heat dissipating fins through the heat dissipation fans on both sides of the plate heat exchanger, thereby enhancing the heat dissipation efficiency of the plate heat exchanger. When the heat dissipation fan is damaged and needs to be removed, the threaded rod is rotated in the reverse direction. While the threaded rod rotates, the support plate is driven to move toward the side away from the slider, and then, under the connection between the connecting rod and the slider, the sliders on both sides are driven to move along the limit groove toward the side close to each other, and while the slider moves, the limit plate is driven to disengage from the insertion of the slots on both sides of the bottom end of the heat dissipation fan, so that the heat dissipation fan can be disassembled and removed. When it needs to be installed, the heat dissipation fan is clamped inside the groove, and the threaded rod is rotated forward, which can drive the limit plate to be inserted toward one side of the slot, thereby fixing the heat dissipation fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the plate heat exchanger of the utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at A in the middle.

[0017] In the figure: 1. bottom plate; 2. machine sealing water tank; 3. booster pump; 4. connecting pipe; 5. delivery pipe; 6. pump machine; 7. water inlet pipe; 8. plate heat exchanger; 9. fixing plate; 10. cooling fins; 11. cooling fan; 12. return pipe; 13. groove; 14. limit groove; 15. slider; 16. limit plate; 17. ear plate; 18. connecting rod; 19. support plate; 20. threaded rod; 21. slot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figures 1 to 3 The utility model provides an embodiment: a machine sealing water boosting device, comprising a bottom plate 1, a machine sealing water tank 2 is fixedly provided on one side of the upper end of the bottom plate 1, a boosting water pump 3 is connected to one side of the machine sealing water tank 2 through a connecting pipe 4, a pump 6 is connected to the side of the boosting water pump 3 away from the machine sealing water tank 2 through a delivery pipe 5, a plate heat exchanger 8 is connected to the side of the pump 6 away from the boosting water pump 3 through a water inlet pipe 7, an upper end of one side of the plate heat exchanger 8 is connected to the machine sealing water tank 2 through a return water pipe 12, a bottom end of the plate heat exchanger 8 is fixedly connected to the upper end of the bottom plate 1 through a fixing plate 9, and a plurality of cooling fans 11 are fixedly installed on the upper end of the fixing plate 9 and on both sides of the plate heat exchanger 8.

[0020] Through the connection of the connecting pipe 4 between the machine sealing water tank 2 and the booster water pump 3, the machine sealing water is transported to the inside of the pump machine 6 through the delivery pipe 5, and the inside of the pump machine 6 is cooled down, so that the machine sealing water absorbs the heat of the pump machine 6, and the water pressure of the machine sealing water is enhanced through the effect of thermal expansion and contraction, and enters the inside of the plate heat exchanger 8 under the connection of the water inlet pipe 7. The machine sealing water exchanges heat and cools down with the heat dissipation fins 10 in the plate heat exchanger 8. When the cooled machine sealing water contracts, the water pressure strength is relatively reduced, thereby increasing the heat exchange time of the machine sealing water in the pipeline, and then the cooled machine sealing water enters the machine sealing water tank 2 again through the return pipe 12, forming a cycle, effectively reducing the high temperature generated by friction of the drive shaft inside the pump machine 6.

[0021] Vertical parallel cooling fins 10 are provided on both sides of the plate heat exchanger 8, and cooling fans 11 are located on both sides of the cooling fins 10. The cooling fans 11 on both sides of the plate heat exchanger 8 can dissipate the heat discharged by the cooling fins 10, thereby enhancing the heat dissipation efficiency of the plate heat exchanger 8.

[0022] A groove 13 is provided inside the upper end of the fixing plate 9, and a limiting groove 14 is provided in the middle of the groove 13. Slide blocks 15 are slidably connected to both sides of the limiting groove 14. The sides of the slide blocks 15 on both sides that are away from each other are fixedly connected to the limiting plates 16. One side of the two slide blocks 15 is fixedly connected to an ear plate 17. The insides of the two ear plates 17 are hinged with connecting rods 18. The ends of the two connecting rods 18 away from the ear plates 17 are hinged with support plates 19. The side of the support plate 19 away from the connecting rod 18 is connected to a threaded rod 20 through a bearing. One end of the threaded rod 20 threads through the fixing plate 9 and extends to the outside of the fixing plate 9. The two sides of the bottom end of the cooling fan 11 are clamped to the inside of the groove 13 through a connecting plate. A slot 21 matching the limiting plate 16 is provided on the surface of the connecting plate, and the limiting plate 16 is plugged into the slot 21.

[0023] By rotating the threaded rod 20 in the opposite direction, the threaded rod 20 drives the support plate 19 to move toward the side away from the slider 15, and then under the connection between the connecting rod 18 and the slider 15, the sliders 15 on both sides are driven to move along the limit groove 14 toward the side close to each other, and when the slider 15 moves, the limit plate 16 is driven to disengage from the slots 21 on both sides of the bottom end of the heat dissipation fan 11, so that the heat dissipation fan 11 can be disassembled and removed. When it needs to be installed, the heat dissipation fan 11 is clamped inside the groove 13, and the threaded rod 20 is rotated forward, which can drive the limit plate 16 to be plugged toward one side of the slot 21, thereby fixing the heat dissipation fan 11.

[0024] When the machine seal water booster device is in use, the machine seal water is transported to the inside of the pump machine 6 through the delivery pipe 5 through the connection between the machine seal water tank 2 and the booster water pump 3, and the inside of the pump machine 6 is cooled down, so that the machine seal water absorbs the heat of the pump machine 6, and the water pressure of the machine seal water is enhanced through the effect of thermal expansion and contraction, and enters the inside of the plate heat exchanger 8 through the connection of the water inlet pipe 7, and the machine seal water exchanges heat and cools down with the heat dissipation fins 10 in the plate heat exchanger 8. When the cooled machine seal water contracts, the water pressure strength is relatively reduced, thereby increasing the heat exchange time of the machine seal water in the pipeline, and then the cooled machine seal water enters the machine seal water tank 2 again through the return water pipe 12 to form a cycle, effectively reducing the high temperature generated by the friction of the transmission shaft inside the pump machine 6, and passing through the plate heat exchanger 8 The heat dissipation fan 11 on the side can dissipate the heat discharged by the heat dissipation fins 10, thereby enhancing the heat dissipation efficiency of the plate heat exchanger 8. When the heat dissipation fan 11 is damaged and needs to be removed, the threaded rod 20 is rotated in the opposite direction. While the threaded rod 20 rotates, the support plate 19 is driven to move toward the side away from the slider 15, and then, under the connection between the connecting rod 18 and the slider 15, the sliders 15 on both sides are driven to move along the limit groove 14 toward the side close to each other, and while the slider 15 moves, the limit plate 16 is driven to disengage from the slots 21 on both sides of the bottom end of the heat dissipation fan 11, so that the heat dissipation fan 11 can be disassembled and removed. When it needs to be installed, the heat dissipation fan 11 is clamped in the inside of the groove 13, and the threaded rod 20 is rotated forward, which can drive the limit plate 16 to be plugged toward one side of the slot 21, thereby fixing the heat dissipation fan 11.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A mechanical seal water booster device, comprising a bottom plate (1), characterized in that: A machine-sealed water tank (2) is fixedly provided on one side of the upper end of the base plate (1); one side of the machine-sealed water tank (2) is connected to a booster water pump (3) via a connecting pipe (4); a side of the booster water pump (3) away from the machine-sealed water tank (2) is connected to a pumping machine (6) via a delivery pipe (5); a side of the pumping machine (6) away from the booster water pump (3) is connected to a plate heat exchanger (8) via a water inlet pipe (7); an upper end of one side of the plate heat exchanger (8) is connected to the machine-sealed water tank (2) via a return pipe (12); a bottom end of the plate heat exchanger (8) is fixedly connected to the upper end of the base plate (1) via a fixing plate (9); and a plurality of cooling fans (11) are fixedly installed at the upper end of the fixing plate (9) and on both sides of the plate heat exchanger (8).

2. The mechanical seal water pressurizing device according to claim 1, characterized in that: A groove (13) is provided inside the upper end of the fixing plate (9), a limiting groove (14) is provided in the middle of the groove (13), both sides of the limiting groove (14) are slidably connected with sliders (15), and the sides of the sliders (15) on both sides that are away from each other are fixedly connected to the limiting plates (16).

3. The mechanical seal water pressurizing device according to claim 2, characterized in that: One side of the two sliding blocks (15) is fixedly connected to an ear plate (17), the inside of the two ear plates (17) is hinged with a connecting rod (18), and one end of the two connecting rods (18) away from the ear plate (17) is hinged with a supporting plate (19), and the side of the supporting plate (19) away from the connecting rod (18) is connected to a threaded rod (20) through a bearing, and one end of the threaded rod (20) is threadedly penetrated through the fixed plate (9) and extends to the outside of the fixed plate (9).

4. The mechanical seal water pressurizing device according to claim 2, characterized in that: Both sides of the bottom end of the heat dissipation fan (11) are clamped into the interior of the groove (13) via a connecting plate, a slot (21) matching the limiting plate (16) is provided on the surface of the connecting plate, and the limiting plate (16) is plugged into the slot (21).

5. The mechanical seal water pressurizing device according to claim 1, characterized in that: Vertical parallel heat dissipation fins (10) are provided on both sides of the plate heat exchanger (8), and the heat dissipation fans (11) are located on both sides of the heat dissipation fins (10).

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