An economical mechanical seal auxiliary system

Abstract

The utility model discloses an economical mechanical seal auxiliary system, which relates to the technical field of mechanical seals. The utility model comprises a column, a storage tank is fixedly mounted on the column, and a liquid level measuring mechanism is arranged on one side of the storage tank, a buffer heat dissipation reflux mechanism is arranged on the side wall of the storage tank, and a drainage mechanism is fixedly mounted on the lower side wall of the storage tank, a replenishment mechanism is arranged on one side of the column, and the replenishment mechanism is connected with the drainage mechanism, and a safety valve is arranged on the top of the storage tank. The utility model can use air cooling to cool the finned tube formed by the fin plates arranged on the side walls of the reflux pipe and the conduction pipe, so that no additional cooling water supply is required, and the maintenance difficulty is reduced, and the designed pressure and design temperature are suitable for the operating conditions of mechanical seals for most non-petrochemical pumps, thereby being able to reduce the high standard requirements for existing chemical pumps, and having the effect of reducing performance waste and saving costs.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical seals, in particular to an economical mechanical seal auxiliary system. Background Art

[0002] At present, most mechanical seal isolation buffer systems for pumps use Plan52 or Plan53A systems of API682 standard. API682 is a mechanical seal standard for petrochemical pumps. Its auxiliary systems Plan52 and Plan53A have strict design parameters and structural requirements, resulting in high costs for liquid storage tanks and their supporting instruments. However, the pressure of most mechanical seal isolation buffers for pumps is not high, and the use of high-standard isolation buffer systems causes performance waste and also increases the cost of equipment. In addition, the existing system uses water cooling to cool the isolation buffer, but many production sites do not have cooling water supply. Therefore, an economical mechanical seal auxiliary system is proposed. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the pressure of the mechanical seal isolation buffer solution for most pumps is not high, and the use of a high-standard isolation buffer solution system causes performance waste, which also leads to an increase in the cost of the equipment. The existing system uses water cooling to cool the isolation buffer solution, but many production sites have no cooling water supply. The utility model provides an economical mechanical seal auxiliary system.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] An economical mechanical seal auxiliary system comprises a column, a storage tank is fixedly mounted on the column, a liquid level measuring mechanism is arranged on one side of the storage tank, a buffer solution heat dissipation reflux mechanism is arranged on the side wall of the storage tank, a drainage mechanism is fixedly mounted on the lower side wall of the storage tank, a replenishing mechanism is arranged on one side of the column, and the replenishing mechanism is connected to the drainage mechanism, a safety valve is arranged on the top of the storage tank, a replenishing cup is arranged on the storage tank on one side of the safety valve, and a liquid level transmitter port is arranged at the highest point on the side wall of the storage tank.

[0006] Preferably, the liquid level measuring mechanism includes a glass tube liquid level gauge, both ends of the glass tube liquid level gauge are provided with connecting pipes, and one end of the two connecting pipes is fixedly installed on the storage tank, the connecting pipes are connected to the storage tank, a connecting pipe is fixedly installed on the side wall of one of the connecting pipes, and a pressure gauge is fixedly installed on the connecting pipe.

[0007] Preferably, the buffer heat dissipation reflux mechanism comprises a conduction pipe and a reflux pipe, one end of each of the conduction pipe and the reflux pipe is fixedly mounted on the storage tank, and both the conduction pipe and the reflux pipe are connected to the storage tank.

[0008] Preferably, a thermometer sleeve is fixedly installed on one side of the return pipe, and a radial thermometer is arranged on the thermometer sleeve, and fin plates are arranged on the side walls of the return pipe and the conduction pipe.

[0009] Preferably, the drainage mechanism comprises a drainage pipe, one end of which is fixedly mounted on the storage tank, and the other end of which is provided with a drain ball valve.

[0010] Preferably, the fluid replenishment mechanism includes a manual fluid replenishment pump, one side of which is fixedly mounted on a column, and a connecting pipe is provided on the manual fluid replenishment pump, one end of which is fixedly mounted on a drainage pipe, and the connecting pipe is connected to the drainage pipe.

[0011] Preferably, a liquid guide tube is fixedly installed on the fluid infusion cup, and one end of the liquid guide tube is connected to the storage tank, an extension tube is fixedly installed on the side wall of the liquid guide tube, and a pressure sensor is arranged on the extension tube, and a gas pressure regulating valve is arranged on one side of the pressure sensor on the extension tube.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, by setting the transfer pipe and the return pipe to the chemical pump as mechanical seal threaded connections, the connection and disassembly can be quick and convenient, and the finned tube composed of the fin plates arranged on the side walls of the return pipe and the transfer pipe can be cooled by air, so there is no need for additional cooling water supply, which reduces the difficulty of maintenance, and the designed pressure and design temperature are suitable for the operating conditions of mechanical seals for most non-petrochemical pumps, thereby reducing the high standard requirements for existing chemical pumps, which has the effect of reducing performance waste and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional connection structure of the buffer heat dissipation reflux mechanism and the liquid replenishment mechanism in the utility model;

[0016] Figure 3 It is a schematic diagram of the overall top view structure of the utility model.

[0017] Figure numerals: 1. Column; 2. Storage tank; 3. Connecting pipe; 4. Glass tube liquid level gauge; 5. Pressure gauge; 6. Transfer pipe; 7. Reflux pipe; 8. Fin plate; 9. Thermometer sleeve; 10. Radial thermometer; 11. Manual liquid replenishing pump; 12. Connecting pipe; 13. Liquid replenishing cup; 14. Safety valve; 15. Pressure sensor; 16. Gas pressure regulating valve; 17. Liquid level transmitter port; 18. Connecting pipe; 19. Drain pipe; 20. Drain ball valve; 21. Extension pipe. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0021] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] like Figure 1-3As shown, an economical mechanical seal auxiliary system includes a column 1, a storage tank 2 is fixedly installed on the column 1, an isolation buffer solution is arranged in the storage tank 2, a liquid level measuring mechanism is arranged on one side of the storage tank 2, and the liquid level measuring mechanism includes a glass tube liquid level gauge 4, connecting pipes 3 are arranged at both ends of the glass tube liquid level gauge 4, and one end of the two connecting pipes 3 are fixedly installed on the storage tank 2, the connecting pipes 3 are connected to the storage tank 2, a connecting pipe is fixedly installed on the side wall of one of the connecting pipes 3, and a pressure gauge 5 is fixedly installed on the connecting pipe, the glass tube liquid level gauge 4 is connected to the storage tank 2 by a thread, and is provided with a pressure detection interface, and then the pressure gauge 5 is installed, and the glass tube liquid level gauge 4 is provided with a minimum liquid level mark, so that it is convenient to observe the isolation buffer solution in the storage tank 2 in time.

[0023] A buffer heat dissipation reflux mechanism is arranged on the side wall of the storage tank 2, and the buffer heat dissipation reflux mechanism includes a conduction pipe 6 and a reflux pipe 7. One end of the conduction pipe 6 and the reflux pipe 7 are fixedly mounted on the storage tank 2, and the conduction pipe 6 and the reflux pipe 7 are both connected to the storage tank 2. Fin plates 8 are arranged on the side walls of the reflux pipe 7 and the conduction pipe 6. The isolation buffer is mechanically sealed and connected to the chemical pump through the interface of the conduction pipe 6 and the reflux pipe 7. At the same time, the conduction pipe 6 and the reflux pipe 7 are provided with fin plates 8 to form fin tubes, so as to provide additional passive air cooling and heat dissipation. Forced air cooling and heat dissipation can also be performed by setting a cooling fan. A thermometer sleeve 9 is fixedly mounted on one side of the reflux pipe 7, and a radial thermometer 10 is arranged on the thermometer sleeve 9. The radial thermometer 10 is connected to the reflux pipe 7 of the liquid return water through the thermometer sleeve 9 to monitor the maximum temperature of the liquid in the pipeline. When the radial thermometer 10 is damaged, it can be replaced without affecting the operation of the system.

[0024] A drainage mechanism is fixedly installed on the lower side wall of the storage tank 2. The drainage mechanism includes a drainage pipe 19. One end of the drainage pipe 19 is fixedly installed on the storage tank 2. A drain ball valve 20 is provided at the other end of the drainage pipe 19. A drain ball valve 20 is provided at the bottom of the storage tank 2, which can be used to discharge the liquid in the storage tank 2. A refilling mechanism is provided on one side of the column 1. The refilling mechanism includes a manual refilling pump 11. One side of the manual refilling pump 11 is fixedly installed on the column 1. A connecting pipe 18 is provided on the manual refilling pump 11. One end of the connecting pipe 18 is fixedly installed on the drainage pipe 19. The connecting pipe 18 is connected to the drainage pipe 19. The manual refilling pump 11 is located on the other side of the column 1. When the staff uses the manual refilling pump 11 to refill, they can simultaneously confirm the liquid level in the storage tank 2. In this way, with the help of the refilling cup 13 located at the highest point of the storage tank 2, refilling can be convenient.

[0025] A liquid guide tube 12 is fixedly installed on the liquid infusion cup 13, and one end of the liquid guide tube 12 is connected to the storage tank 2. An extension tube 21 is fixedly installed on the side wall of the liquid guide tube 12, and a pressure sensor 15 is arranged on the extension tube 21. A gas pressure regulating valve 16 is arranged on one side of the pressure sensor 15 on the extension tube 21. A safety valve 14 is arranged on the top of the storage tank 2. The gas pressure regulating valve 16 and the pressure sensor 15 are in the same pipeline. The safety valve 1416 can conveniently adjust the pressure in the storage tank 2 and the system, thereby improving the safety of the system, and the safety valve 14 can also provide guarantee for the safe operation of the system.

[0026] A refill cup 13 is provided on one side of the safety valve 14 on the storage tank 2, and a liquid level transmitter port 17 is provided at the highest point on the side wall of the storage tank 2. The liquid level transmitter port 17 is set on the top of the storage tank, and then the liquid level transmitter can be screwed and installed, so that feedback can be sent when the liquid level drops to a preset position, reminding the staff that the isolation buffer solution in the storage tank 2 is insufficient.

[0027] In summary: the whole set of equipment is placed on the column 1, and then the isolation buffer is mechanically sealed and connected to the chemical pump through the interface of the conduction tube 6 and the reflux pipe 7. At the same time, the conduction tube 6 and the reflux pipe 7 are equipped with fin plates 8 to form finned tubes, so as to provide additional passive air cooling and heat dissipation, and forced air cooling and heat dissipation can also be performed by setting a cooling fan. Then the radial thermometer 10 is connected to the reflux pipe 7 of the liquid return water through the thermometer sleeve 9 to monitor the maximum temperature of the liquid in the pipeline. When the radial thermometer 10 is damaged, it can be replaced without affecting the operation of the system. The glass tube liquid level gauge 4 is connected to the storage tank 2 through a thread, and a pressure detection interface is provided, and then a pressure gauge 5 is installed. The glass tube liquid level gauge 4 is provided with a minimum liquid level mark. The manual rehydration pump 11 is located on the other side of the column 1. When the staff uses the manual rehydration pump 11 to replenish the liquid, they can simultaneously confirm the liquid level in the storage tank 2. In this way, with the help of the rehydration cup 13 located at the highest point of the storage tank 2, it is convenient to replenish the liquid. The gas pressure regulating valve 16 and the pressure sensor 15 are in the same pipeline, and the safety valve 1416 is provided to conveniently adjust the pressure in the storage tank 2 and the system. The safety valve 14 is provided to ensure the safe operation of the system. The liquid level transmitter port 17 is provided on the top of the storage tank, and then the liquid level transmitter can be screwed and installed, so that feedback can be issued when the liquid level drops to the preset position to remind the staff that the isolation buffer in the storage tank 2 is insufficient. In addition, a drain ball valve 20 is provided at the bottom of the storage tank 2, which can be used to discharge the liquid in the storage tank 2.

[0028] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An economical mechanical seal auxiliary system, characterized in that: The invention comprises a column (1), a storage tank (2) is fixedly mounted on the column (1), a liquid level measuring mechanism is arranged on one side of the storage tank (2), a buffer heat dissipation reflux mechanism is arranged on the side wall of the storage tank (2), a liquid discharge mechanism is fixedly mounted on the lower side wall of the storage tank (2), a liquid replenishment mechanism is arranged on one side of the column (1), and the liquid replenishment mechanism and the liquid discharge mechanism are arranged in communication, a safety valve (14) is arranged on the top of the storage tank (2), a liquid replenishment cup (13) is arranged on the storage tank (2) on one side of the safety valve (14), and a liquid level transmitter port (17) is arranged at the highest point on the side wall of the storage tank (2).

2. An economical mechanical seal auxiliary system according to claim 1, characterized in that: The liquid level measuring mechanism comprises a glass tube liquid level gauge (4), both ends of the glass tube liquid level gauge (4) are provided with connecting pipes (3), one end of each of the two connecting pipes (3) is fixedly mounted on the storage tank (2), the connecting pipes (3) are arranged in communication with the storage tank (2), a connecting pipe is fixedly mounted on the side wall of one of the connecting pipes (3), and a pressure gauge (5) is fixedly mounted on the connecting pipe.

3. An economical mechanical seal auxiliary system according to claim 1, characterized in that: The buffer heat dissipation reflux mechanism comprises a conduction pipe (6) and a reflux pipe (7), one end of each of the conduction pipe (6) and the reflux pipe (7) is fixedly mounted on the storage tank (2), and the conduction pipe (6) and the reflux pipe (7) are both arranged in communication with the storage tank (2).

4. An economical mechanical seal auxiliary system according to claim 3, characterized in that: A thermometer sleeve (9) is fixedly installed on one side of the return pipe (7), and a radial thermometer (10) is arranged on the thermometer sleeve (9). Fin plates (8) are arranged on the side walls of the return pipe (7) and the conduction pipe (6).

5. An economical mechanical seal auxiliary system according to claim 1, characterized in that: The liquid discharge mechanism comprises a liquid discharge pipe (19), one end of which is fixedly mounted on the storage tank (2), and the other end of which is provided with a drain ball valve (20).

6. An economical mechanical seal auxiliary system according to claim 5, characterized in that: The fluid replenishment mechanism comprises a manual fluid replenishment pump (11), one side of the manual fluid replenishment pump (11) is fixedly mounted on the column (1), and a connecting pipe (18) is arranged on the manual fluid replenishment pump (11), one end of the connecting pipe (18) is fixedly mounted on the drainage pipe (19), and the connecting pipe (18) and the drainage pipe (19) are arranged in communication.

7. An economical mechanical seal auxiliary system according to claim 1, characterized in that: A liquid guide tube (12) is fixedly mounted on the liquid infusion cup (13), and one end of the liquid guide tube (12) is connected to the storage tank (2). An extension tube (21) is fixedly mounted on the side wall of the liquid guide tube (12), and a pressure sensor (15) is arranged on the extension tube (21). A gas pressure regulating valve (16) is arranged on one side of the pressure sensor (15) on the extension tube (21).

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