CN212899143U - High-temperature sealing cooling self-flushing device for pump - Google Patents
High-temperature sealing cooling self-flushing device for pump Download PDFInfo
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- CN212899143U CN212899143U CN202021621872.7U CN202021621872U CN212899143U CN 212899143 U CN212899143 U CN 212899143U CN 202021621872 U CN202021621872 U CN 202021621872U CN 212899143 U CN212899143 U CN 212899143U
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- shaft
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- flushing device
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Abstract
The utility model provides a pair of high temperature seal cooling is from washing unit for pump, it includes the pump body, the impeller, the pump cover, the machine seals the part, the machine seals gland, axle sleeve and pump shaft, be equipped with the cavity in the pump body, the pump shaft sets up in the cavity, impeller mounting is on the pump shaft, the axle sleeve cover is established at the pump shaft, the pump cover cup joints on the axle sleeve, leave the clearance between axle sleeve and the pump cover, the axial setting along the axle sleeve in the clearance, be provided with the screw thread pump sending in the clearance, the screw thread pump sending cover is established on the axle sleeve, the one end of the relative pump cover of axle sleeve is provided with the machine and seals the part, the machine seals gland and cup joints on the machine and seals the part, be provided with. The utility model discloses compare in prior art and can solve the problem that mechanical seal leaked and damaged effectively.
Description
Technical Field
The utility model relates to a flushing mechanism particularly, relates to a pump is with high temperature seal cooling self-flushing device.
Background
The mechanical seal selectivity of the high-risk medium in the conveying process is very low, and a complicated heat exchanger scheme is mostly selected for conveying the high-temperature medium according to the API682 standard; but aiming at fine chemical engineering and pharmaceutical chemical engineering, the conditions of using a heat exchanger are not met under the high-temperature working condition; therefore, in the prior use process, the traditional single mechanical seal is adopted for high-temperature materials, such as hot water at 100 ℃, and any cooling measure is not adopted, so that the leakage and the damage of the mechanical seal are caused after a long time. Therefore, a novel structure needs to be developed for the sealing protection of high-temperature materials in small-scale chemical enterprises of fine chemical engineering and pharmaceutical chemical engineering so as to solve the current problems.
Disclosure of Invention
In view of this, the utility model provides a pair of high temperature seal cooling is from washing unit for pump, it is compared in prior art and can solve the problem that mechanical seal leaked and damaged effectively.
Therefore, the utility model provides a pump is with high temperature seal cooling self-flushing device, it includes the pump body, the impeller, the pump cover, the machine seals the part, the machine gland, axle sleeve and pump shaft, be equipped with the cavity in the pump body, the pump shaft sets up in the cavity, the impeller mounting is on the pump shaft, the axle sleeve cover is established at the pump shaft, the pump cover cup joints on the axle sleeve, leave the clearance between axle sleeve and the pump cover, the axial setting along the axle sleeve in clearance, be provided with the screw pump sending in the clearance, the screw pump sending cover is established on the axle sleeve, the one end of the relative pump cover of axle sleeve is provided with the machine and seals the part, the machine gland cup joints on the machine seals the part, be provided with inlet and liquid outlet on the machine gland.
Furthermore, the machine seal pressing cover is provided with a radiating fin.
Further, the thread pump is provided with threads.
Further, the impeller is fixed on the pump shaft through an impeller nut.
Furthermore, one side of the pump cover, which is opposite to the pump body, is provided with a bearing cover box body.
Further, the pump body is fixedly connected with the pump cover through a bolt.
The utility model provides a high-temperature sealing cooling self-flushing device for pump, which mainly comprises a pump body, an impeller, a pump cover, a mechanical seal part, a mechanical seal cover, a shaft sleeve, a pump shaft, a thread pumping and a radiator, wherein the impeller is arranged in the pump body and is fixed on the pump shaft through an impeller nut, the pump body is fixed with a pump cover bearing box body through a bolt to realize the action of a closed medium, the mechanical seal part is arranged on the shaft sleeve and in the mechanical seal cover and is fixed with the shaft sleeve through a jackscrew, the mechanical seal cover is provided with two interfaces which are respectively connected with an external radiator, a gap a is arranged between the pump cover and the shaft sleeve, the gap can prevent a large amount of liquid at the inlet side of the pump from flowing into the mechanical seal position, meanwhile, the gap is an axially long and narrow gap which is beneficial to reducing the medium temperature when the medium flows into the mechanical seal position from the, the function of the screw pumping is to provide circulating power for the medium in the machine seal part, so that the medium flows into the radiator according to the inlet and outlet directions on the machine seal cover and then flows back to the machine seal part, and the radiator is used for naturally cooling the material flowing into the radiator and then flows into the machine seal part again so as to realize the flushing, cooling and lubricating of the machine seal part.
Therefore, the high-temperature sealed cooling self-flushing device for the pump, provided by the utility model, adopts a natural cooling mode to reduce the temperature of the liquid for machine seal flushing, thereby reducing resource waste; the pump has compact integral structure and small occupied area due to the ingenious design of shaft sleeve pumping and the arrangement of the radiator; is very suitable for the high-temperature medium transportation of fine chemical engineering and pharmaceutical factories.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a high-temperature sealing cooling self-flushing device for a pump according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion B of FIG. 1;
fig. 3 is a schematic structural diagram of a screw pumping in the high-temperature sealing cooling self-flushing device for the pump according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 3, the embodiment provides a high-temperature sealed cooling self-flushing device for a pump, which includes a pump body 1, an impeller 2, a pump cover 3, a mechanical seal part 4, a mechanical seal cover 5, a shaft sleeve 6 and a pump shaft 7, wherein a cavity is provided in the pump body 1, the pump shaft 7 is disposed in the cavity, the impeller 2 is mounted on the pump shaft 7, the shaft sleeve 6 is sleeved on the pump shaft 7, the pump cover 3 is sleeved on the shaft sleeve 6, a gap is provided between the shaft sleeve 6 and the pump cover 3, the gap is disposed along the axial direction of the shaft sleeve 6, a thread pump 8 is disposed in the gap, the thread pump 8 is sleeved on the shaft sleeve 6, the mechanical seal part 4 is disposed at one end of the shaft 6 sleeve opposite to the pump cover 3, the mechanical seal cover 5 is sleeved on the mechanical seal part 4, the mechanical seal part is mounted on the shaft sleeve and inside the mechanical seal cover and fixed with, the liquid inlet 51 and the liquid outlet 52 are communicated with each other, and the liquid inlet 51 and the liquid outlet 52 are respectively connected with the radiator 9.
With continued reference to fig. 1 to 3, the screw pump 8 is provided with a screw 81, the impeller 2 is fixed on the pump shaft 7 through the impeller nut 21, and the pump body 1 is fixedly connected with the pump cover 3 through a bolt.
The high-temperature sealed cooling self-flushing device for the pump mainly comprises a pump body, an impeller, a pump cover, a mechanical seal part, a mechanical seal gland, a shaft sleeve, a pump shaft, a threaded pump and a radiator, wherein the impeller is installed inside the pump body and is fixed on the pump shaft through an impeller nut, the pump body is fixed with a pump cover bearing box body through a bolt so as to realize the function of sealing a medium, the mechanical seal part is installed on the shaft sleeve and inside the mechanical seal gland and is fixed with the shaft sleeve through a jackscrew, the mechanical seal gland is provided with two interfaces which are respectively connected with an external radiator, a gap a (shown in figure 2) is arranged between the pump cover and the shaft sleeve, the gap can prevent a large amount of liquid at the inlet side of the pump from flowing into a mechanical seal position, and is an axially long and narrow gap which is beneficial to reducing the temperature of the medium flowing into the mechanical seal position, the shaft sleeve is provided with a thread pump, the thread pump is used for providing circulating power for a medium in the machine seal part, enabling the medium (black parts in figures 1 and 2) to flow into the radiator (as shown in the direction of an arrow in figure 1) according to the inlet and outlet directions on the machine seal cover and then flow back into the machine seal part, and the radiator is used for naturally cooling the material flowing into the radiator and then flowing into the machine seal part again to flush, cool and lubricate the machine seal part.
Therefore, the high-temperature sealed cooling self-flushing device for the pump provided by the embodiment reduces the temperature of the liquid for flushing the machine seal by adopting a natural cooling way, thereby reducing the resource waste; the pump has compact integral structure and small occupied area due to the ingenious design of shaft sleeve pumping and the arrangement of the radiator; is very suitable for the high-temperature medium transportation of fine chemical engineering and pharmaceutical factories.
Example two:
referring to fig. 1 to fig. 3, a high-temperature sealed cooling self-washing device for a pump according to an embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the mechanical seal cover 5 is provided with a heat radiating fin 53. The mechanical seal gland is provided with two interfaces of a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are connected with an external radiator through a pipeline, the purpose of reducing the temperature is achieved, and meanwhile, the radiating fins can further reduce the temperature of media in the mechanical seal component.
Example three:
referring to fig. 1 to fig. 3, a high-temperature sealed cooling self-flushing device for a pump according to a third embodiment of the present invention is shown, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: one side of the pump cover 3 opposite to the pump body 1 is provided with a bearing cover box body 31. The pump body is fixed together with the pump cover and the bearing box body through bolts so as to realize the function of sealing the medium.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The high-temperature sealing cooling self-flushing device for the pump is characterized by comprising a pump body (1), an impeller (2), a pump cover (3), a mechanical seal component (4), a mechanical seal gland (5), a shaft sleeve (6) and a pump shaft (7), wherein a cavity is arranged in the pump body (1), the pump shaft (7) is arranged in the cavity, the impeller (2) is installed on the pump shaft (7), the shaft sleeve (6) is sleeved on the pump shaft (7), the pump cover (3) is sleeved on the shaft sleeve (6), a gap is reserved between the shaft sleeve (6) and the pump cover (3), the gap is arranged along the axial direction of the shaft sleeve (6), a threaded pumping machine (8) is arranged in the gap, the threaded pumping machine (8) is sleeved on the shaft sleeve (6), and the mechanical seal component (4) is arranged at one end, opposite to the pump cover (3), of the shaft sleeve (6), the mechanical seal cover (5) is sleeved on the mechanical seal part (4), a liquid inlet (51) and a liquid outlet (52) are arranged on the mechanical seal cover (5), the liquid inlet (51) and the liquid outlet (52) are communicated with the gap, and the liquid inlet (51) and the liquid outlet (52) are respectively connected with the radiator (9).
2. A high-temperature seal cooling self-flushing device for a pump according to claim 1, characterized in that the machine seal cover (5) is provided with cooling fins (53).
3. A high-temperature seal cooling self-flushing device for pumps according to claim 1, characterized in that the screw pump (8) is provided with a screw thread (81).
4. A high temperature seal cooling self-flushing device for a pump according to claim 1, characterized in that the impeller (2) is fixed to the pump shaft (7) by an impeller nut (21).
5. The high-temperature sealing and cooling self-flushing device for the pump according to claim 1, characterized in that a bearing cover box (31) is arranged on one side of the pump cover (3) opposite to the pump body (1).
6. The high-temperature sealing and cooling self-flushing device for the pump according to claim 1, characterized in that the pump body (1) is fixedly connected with the pump cover (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621872.7U CN212899143U (en) | 2020-08-06 | 2020-08-06 | High-temperature sealing cooling self-flushing device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621872.7U CN212899143U (en) | 2020-08-06 | 2020-08-06 | High-temperature sealing cooling self-flushing device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899143U true CN212899143U (en) | 2021-04-06 |
Family
ID=75236914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021621872.7U Active CN212899143U (en) | 2020-08-06 | 2020-08-06 | High-temperature sealing cooling self-flushing device for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899143U (en) |
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2020
- 2020-08-06 CN CN202021621872.7U patent/CN212899143U/en active Active
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