CN214577704U - Gear pump shaft seal cooling system and gear pump - Google Patents
Gear pump shaft seal cooling system and gear pump Download PDFInfo
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- CN214577704U CN214577704U CN202120542742.2U CN202120542742U CN214577704U CN 214577704 U CN214577704 U CN 214577704U CN 202120542742 U CN202120542742 U CN 202120542742U CN 214577704 U CN214577704 U CN 214577704U
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- gear pump
- pipeline
- shaft seal
- medium
- pump shaft
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Abstract
The utility model relates to the technical field of gear pumps, in particular to a gear pump shaft seal cooling system and a gear pump, wherein the gear pump shaft seal cooling system comprises a gear pump shaft seal body, a medium container, a first pipeline, a second pipeline, a third pipeline and a booster pump, and the gear pump shaft seal body is provided with a medium channel inlet and a medium channel outlet; the first pipeline is connected between the inlet of the medium channel and the medium container, the second pipeline is connected between the outlet of the medium channel and the medium container, and the booster pump is arranged on the first pipeline and positioned between the shaft seal body of the gear pump and the medium container; one end of the third pipeline is arranged on the first pipeline and is positioned between the inlet of the medium channel and the booster pump; the other end of the third pipeline is arranged in the medium container, the third pipeline can communicate the first pipeline with the medium container, and the third pipeline is provided with a third regulating valve. The utility model discloses a booster pump constantly takes out gear pump bearing seal body with the liquid medium in the medium container for this physical stamina of gear pump bearing seal is incessant to be cooled down.
Description
Technical Field
The utility model relates to a gear pump technical field especially relates to a gear pump bearing seal cooling system and gear pump.
Background
The gear pump relies on the working volume who forms between pump cylinder and the meshing gear to change and remove the rotary pump who carries liquid or make it pressure boost, in the life, in order to improve people's work efficiency, people use the gear pump to operate, and the people of being convenient for operate and use, along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of gear pump.
At present, the cooling liquid mode of the gear pump mechanical shaft seal is to circulate by utilizing the self gravity of liquid in an elevated tank and the thermal power of circulating water in the mechanical shaft seal, and the mechanical shaft seal is cooled in the circulation process.
However, in this way, the temperature of the circulating water is high in a short time during the use process, which is not favorable for cooling the mechanical shaft seal again.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gear pump bearing seal cooling system to solve the circulating water temperature and rise and lead to being unfavorable for the problem of cooling gear pump bearing seal once more.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, the utility model provides a gear pump bearing seal cooling system, this gear pump bearing seal cooling system includes:
the gear pump shaft seal body is provided with a medium channel inlet and a medium channel outlet;
a media container, the media container holding a liquid media therein;
the first pipeline is connected between the medium channel inlet and the medium container and is used for communicating the gear pump shaft seal body with the medium container;
the second pipeline is connected between the medium channel outlet and the medium container and is used for communicating the gear pump shaft seal body with the medium container;
the booster pump is arranged on the first pipeline and is positioned between the gear pump shaft seal body and the medium container;
one end of the third pipeline is arranged on the first pipeline and is positioned between the inlet of the medium channel and the booster pump; the other end of the third pipeline is arranged in the medium container, the third pipeline can communicate the first pipeline with the medium container, and the third pipeline is provided with a third regulating valve.
As a preferable scheme of the gear pump shaft seal cooling system, the first pipeline is provided with a first regulating valve, and the first regulating valve is positioned between a connecting point of the third pipeline and the first pipeline and the inlet of the medium channel; the second pipeline is provided with a second regulating valve.
As a preferred scheme of the gear pump shaft seal cooling system, the gear pump shaft seal cooling system further comprises a pressure gauge, and the pressure gauge is arranged on the first pipeline and is located between a connection point of the third pipeline and the first regulating valve.
As a preferable scheme of the gear pump shaft seal cooling system, the gear pump shaft seal cooling system further comprises a liquid level meter, wherein the liquid level meter is arranged on the side wall of the medium container and is used for observing the liquid level height of the medium in the medium container.
As a preferred scheme of the gear pump shaft seal cooling system, the medium container includes a liquid inlet and a liquid outlet, the liquid inlet is disposed at the top end of the medium container, and the liquid outlet is disposed at the bottom end of the medium container.
As a preferred scheme of the gear pump shaft seal cooling system, the gear pump shaft seal cooling system further comprises a fourth pipeline and a fifth pipeline, wherein one end of the fourth pipeline is connected with the liquid inlet; one end of the fifth pipeline is connected with the liquid outlet, and the fourth pipeline is provided with a fourth regulating valve; and the fifth pipeline is provided with a fifth regulating valve.
As a preferred scheme of the gear pump shaft seal cooling system, the gear pump shaft seal cooling system further comprises a funnel, and the funnel is arranged at the other end of the fourth pipeline.
As a preferred scheme of the gear pump shaft seal cooling system, the medium container further comprises a pressure regulating hole, a sixth pipeline is communicated with the medium container through the pressure regulating hole, and a sixth regulating valve is arranged on the sixth pipeline.
As a preferred scheme of the gear pump shaft seal cooling system, the flow rate of the booster pump is 0.1-1 cubic meter per hour, and the lift is 30-100 meters.
On the other hand, the utility model provides a gear pump, gear pump bearing seal cooling system in above-mentioned arbitrary scheme.
The utility model has the advantages that:
the utility model provides a gear pump shaft seal cooling system, this gear pump shaft seal cooling system continuously pumps the liquid medium in the medium container to the gear pump shaft seal body and circulates to the medium container through the booster pump, on the first hand, make this physical stamina of gear pump shaft seal incessantly cool down; in the second aspect, the pressure of the circulating medium is increased, the liquid flow entering the inner cavity of the gear pump shaft seal body is also increased, and the cooling effect of the gear pump shaft seal body is improved; in the third aspect, under the action of the third regulating valve, the pressure of the liquid output by the booster pump to the gear pump shaft seal body can be regulated, so that the medium flow in the gear pump shaft seal body can be kept within a preset range, and the cooling efficiency of the gear pump shaft seal body is kept within the preset range.
Drawings
Fig. 1 is a schematic structural diagram of a gear pump shaft seal cooling system according to an embodiment of the present invention.
In the figure:
1. a gear pump shaft seal body;
2. a media container;
31. a first pipeline; 311. a first regulating valve;
32. a second pipeline; 321. a second regulating valve;
33. a third pipeline; 331. a third regulating valve;
34. a fourth pipeline; 341. a fourth regulating valve; 342. a funnel;
35. a fifth pipeline; 351. a fifth regulating valve;
36. a sixth pipeline; 361. a sixth regulating valve;
4. a booster pump;
5. a pressure gauge;
6. a liquid level meter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, the present embodiment provides a gear pump shaft seal cooling system, which includes a gear pump shaft seal body 1, a medium container 2, a first pipeline 31, a second pipeline 32, a third pipeline 33 and a booster pump 4, wherein the gear pump shaft seal body 1 is provided with a medium passage inlet and a medium passage outlet; the medium container 2 is filled with liquid medium; the first pipeline 31 is connected between the medium channel inlet and the medium container 2 and is used for communicating the gear pump shaft seal body 1 with the medium container 2; the second pipeline 32 is connected between the medium passage outlet and the medium container 2 and communicates the gear pump shaft seal body 1 with the medium container 2; the booster pump 4 is arranged on the first pipeline 31 and is positioned between the gear pump shaft seal body 1 and the medium container 2; one end of the third pipe 33 is provided in the first pipe 31 and is positioned between the medium passage inlet and the booster pump 4; the other end of the third pipe line 33 is provided in the medium tank 2, the third pipe line 33 can communicate the first pipe line 31 with the medium tank 2, and the third pipe line 33 is provided with a third regulating valve 331.
The utility model continuously pumps the liquid medium in the medium container 2 to the gear pump shaft seal body 1 through the booster pump 4 and circulates the liquid medium to the medium container 2, and on the first hand, the gear pump shaft seal body 1 can be continuously cooled; in the second aspect, the pressure of the circulating medium is increased, so that the liquid flow entering the inner cavity of the gear pump shaft seal body 1 is increased, and the cooling effect of the gear pump shaft seal body 1 is improved; in the third aspect, under the action of the third regulating valve 331, the pressure of the liquid output from the booster pump 4 to the gear pump shaft seal body 1 can be regulated, so that the medium flow in the gear pump shaft seal body 1 can be kept within the preset range, and the cooling efficiency of the gear pump shaft seal body 1 is kept within the preset range. In the fourth aspect, the other end of the third pipeline 33 is disposed in the medium container 2, and the flow rate adjusting process injects a part of the liquid medium into the medium container 2, so as to increase the internal disturbance of the medium container 2 and prevent the medium from precipitating. Further, the other end of the third pipe line 33 is provided at the bottom of the medium tank 2. The disturbance effect is better.
In this embodiment, further, the first pipe 31 is provided with a filter near the end of the medium container 2. This setting can filter the medium, improves the number of times of use of medium, reduce cost.
Optionally, the first pipe 31 is provided with a first regulating valve 311, the first regulating valve 311 being located between the connection point of the third pipe 33 and the first pipe 31 and the medium passage inlet; the second line 32 is provided with a second regulating valve 321. During maintenance, the first regulating valve 311 and the second regulating valve 321 are closed, and the gear pump shaft seal body 1 can be maintained.
Optionally, the gear pump shaft seal cooling system further comprises a pressure gauge 5, and the pressure gauge 5 is disposed on the first pipeline 31 and located between a connection point of the third pipeline 33 and the first pipeline 31 and the first regulating valve 311. The pressure of the liquid entering the gear pump shaft seal body 1 can be observed at any time through the arrangement, the opening degree of the third adjusting valve 331 is convenient to control, and the adjusting efficiency is improved.
Preferably, the gear pump shaft seal cooling system further comprises a liquid level meter 6, wherein the liquid level meter 6 is arranged on the side wall of the medium container 2 and is used for observing the liquid level height of the medium in the medium container 2. On one hand, the device can detect whether the liquid level reaches the minimum limit; on the other hand, when the medium is added to the medium container 2, the liquid level height can be observed in time, and the amount of the medium to be added can be controlled. In other embodiments, the liquid level meter 6 can also be an electronic device, the gear pump shaft seal cooling system further comprises a warning piece, the warning piece is connected with the liquid level meter 6, and when the liquid level measured by the liquid level meter 6 is lower than a preset value, an alarm sound is sent out through the warning piece to prompt a worker. Wherein, level gauge 6 detects liquid level height once every hour interval, just through warning piece suggestion staff when cubic detected data all is less than the default. This arrangement can prevent the fluctuation of the liquid level from causing false triggering.
Optionally, the medium container 2 includes a liquid inlet and a liquid outlet, the liquid inlet is disposed at the top end of the medium container 2, and the liquid outlet is disposed at the bottom end of the medium container 2. Specifically, the gear pump shaft seal cooling system further comprises a fourth pipeline 34 and a fifth pipeline 35, wherein one end of the fourth pipeline 34 is connected with the liquid inlet; one end of the fifth pipeline 35 is connected with the liquid outlet, and the fourth pipeline 34 is provided with a fourth regulating valve 341; the fifth pipeline 35 is provided with a fifth regulating valve 351. This arrangement enables the addition of liquid into the medium container 2 and the removal of liquid to the outside.
Further, the gear pump shaft seal cooling system further includes a funnel 342, and the funnel 342 is disposed at the other end of the fourth pipeline 34. The funnel 342 is convenient for adding liquid medium, and the adding efficiency of the liquid medium is improved.
Optionally, the medium container 2 further comprises a pressure regulating hole, the sixth pipeline 36 is communicated with the medium container 2 through the pressure regulating hole, and the sixth pipeline 36 is provided with a sixth regulating valve 361. When adding or removing liquid medium, the sixth regulating valve 361 may be opened to regulate the air pressure of the medium tank 2.
The liquid pressure in the gear pump shaft seal body 1 needs to be adjusted to 3.3-3.5 pascal. For this reason, in the present embodiment, it is preferable that the flow rate of the booster pump 4 is 0.1 to 1 cubic meter per hour and the head is 30 to 100 meters. Specifically, the flow rate of the booster pump 4 is 0.4 cubic meter/hour, and the head is 66 meters.
In this embodiment, the medium may be water.
When in use, the adjustment is completed through the following steps:
1. and adjusting the third adjusting valve 331 to enable the pressure of the pressure gauge 5 to be slightly higher than the preset pressure of the inner cavity of the gear pump shaft seal body 1.
2. And adjusting the second adjusting valve 321 to enable the pressure of the pressure gauge 5 to reach the preset pressure of the inner cavity of the gear pump shaft seal body 1.
If the preset pressure cannot be reached in the step 2, the third regulating valve 331 is continuously regulated, the bypass of the third regulating valve 331 is increased, and the step 2 is operated.
When the pressure required by the inner cavity of the gear pump shaft seal body 1 is higher than 5.2 pascal, the pressure requirement cannot be met by adjusting the second regulating valve 321 and the third regulating valve 331, and then the medium container 2 needs to be filled with nitrogen for pressurization. For this reason, in this embodiment, optionally, the gear pump shaft seal cooling system further includes a nitrogen pump, and the nitrogen pump can fill the medium container 2 with nitrogen gas.
The embodiment also provides a gear pump, which comprises the gear pump shaft seal cooling system in the scheme.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A gear pump shaft seal cooling system, comprising:
the gear pump shaft seal comprises a gear pump shaft seal body (1), wherein the gear pump shaft seal body (1) is provided with a medium channel inlet and a medium channel outlet;
the medium container (2), the medium container (2) is filled with liquid medium;
the first pipeline (31) is connected between the medium channel inlet and the medium container (2), and communicates the gear pump shaft seal body (1) with the medium container (2);
the second pipeline (32) is connected between the medium passage outlet and the medium container (2), and communicates the gear pump shaft seal body (1) with the medium container (2);
the booster pump (4) is arranged on the first pipeline (31) and is positioned between the gear pump shaft seal body (1) and the medium container (2);
a third pipe (33), one end of the third pipe (33) is arranged on the first pipe (31) and is positioned between the medium channel inlet and the booster pump (4); the other end of the third pipeline (33) is arranged on the medium container (2), the third pipeline (33) can communicate the first pipeline (31) with the medium container (2), and the third pipeline (33) is provided with a third regulating valve (331).
2. Gear pump shaft seal cooling system according to claim 1, characterized in that the first line (31) is provided with a first regulating valve (311), the first regulating valve (311) being located between the connection point of the third line (33) and the first line (31) and the medium passage inlet; the second pipeline (32) is provided with a second regulating valve (321).
3. Gear pump shaft seal cooling system according to claim 2, characterized in that it further comprises a pressure gauge (5), said pressure gauge (5) being provided in said first line (31) and being located between the connection point of said third line (33) and said first line (31) and said first regulating valve (311).
4. Gear pump shaft seal cooling system according to claim 1, characterized in that it further comprises a level gauge (6), which level gauge (6) is arranged in the side wall of the medium container (2) and is used to observe the level of the medium in the medium container (2).
5. Gear pump shaft seal cooling system according to claim 1, characterized in that the medium container (2) comprises a liquid inlet and a liquid outlet, the liquid inlet being provided at the top end of the medium container (2) and the liquid outlet being provided at the bottom end of the medium container (2).
6. The gear pump shaft seal cooling system according to claim 5, further comprising a fourth pipeline (34) and a fifth pipeline (35), wherein one end of the fourth pipeline (34) is connected to the liquid inlet; one end of the fifth pipeline (35) is connected with the liquid outlet, and a fourth regulating valve (341) is arranged on the fourth pipeline (34); the fifth pipeline (35) is provided with a fifth regulating valve (351).
7. The gear pump shaft seal cooling system of claim 6, further comprising a funnel (342), wherein the funnel (342) is disposed at another end of the fourth conduit (34).
8. Gear pump shaft seal cooling system according to claim 5, characterized in that the medium container (2) comprises further a pressure regulating hole, through which a sixth line (36) communicates with the medium container (2), the sixth line (36) being provided with a sixth regulating valve (361).
9. Gear pump shaft seal cooling system according to any one of claims 1 to 8, characterized in that the flow of the booster pump (4) is 0.1-1 cubic meter per hour and the head is 30-100 meters.
10. A gear pump comprising the gear pump shaft seal cooling system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120542742.2U CN214577704U (en) | 2021-03-16 | 2021-03-16 | Gear pump shaft seal cooling system and gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120542742.2U CN214577704U (en) | 2021-03-16 | 2021-03-16 | Gear pump shaft seal cooling system and gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577704U true CN214577704U (en) | 2021-11-02 |
Family
ID=78320043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120542742.2U Active CN214577704U (en) | 2021-03-16 | 2021-03-16 | Gear pump shaft seal cooling system and gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577704U (en) |
-
2021
- 2021-03-16 CN CN202120542742.2U patent/CN214577704U/en active Active
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