CN213575218U - Bearing cooling system - Google Patents
Bearing cooling system Download PDFInfo
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- CN213575218U CN213575218U CN202022532727.8U CN202022532727U CN213575218U CN 213575218 U CN213575218 U CN 213575218U CN 202022532727 U CN202022532727 U CN 202022532727U CN 213575218 U CN213575218 U CN 213575218U
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Abstract
The utility model relates to the technical field of bearing design, and discloses a bearing cooling system, which comprises a cooling tank, a storage device, a first pipe and a second pipe, wherein the cooling tank is wrapped outside a bearing oil groove; the first pipe is arranged on the side wall of the cooling tank and is connected with the storage device, and the cooling medium in the storage device can be introduced into the cooling tank through the first pipe; the second pipe is arranged at an interval with the first pipe, the cooling medium in the cooling tank can exchange heat with high-temperature oil in the bearing oil groove, the heated cooling medium is discharged out of the cooling tank through the second pipe, and the flowing direction of the cooling medium in the cooling tank is opposite to the rotating direction of the bearing. The utility model provides a bearing cooling system, simple structure, simple to operate need not to install complicated external equipment, has reduced and has overhauld the degree of difficulty, and bearing cooling system does not produce with high temperature oil flow field and interferes simultaneously, avoids the secondary of high temperature oil to heat up, and the cooling bath has increased the area of contact of coolant with high temperature oil, and heat exchange efficiency improves, and the cooling effect is good.
Description
Technical Field
The utility model relates to a bearing design technical field especially relates to a bearing cooling system.
Background
The main factors affecting the performance of the thrust bearing include the materials of its support structure and the bearing shell, and the structure of the lubricating oil cooling system. In the running process of the unit, the thrust bearing is used as a bearing part, the borne load is very large, when the load is not uniformly distributed, the temperature of a thrust pad can be increased, sometimes even the pad burning phenomenon is caused, and in severe cases, the unplanned shutdown of the unit can be directly caused. Therefore, whether the working state of the thrust bearing oil circulation cooling system is normal or not becomes an important factor influencing the working state of the whole unit.
At present, a cooling system adopted by a thrust bearing can be divided into an internal circulation mode and an external circulation mode, wherein a cooler in the internal circulation cooling mode has a small pipe diameter and a small cooling water flow, so that the contact area between a cooling water pipe and high-temperature oil is insufficient, and finally, the cooling effect is not ideal enough; the cooler of outer circulation cooling mode is installed in the bearing oil groove outside, and the cooling of high temperature oil in the bearing oil groove needs to form the mirror plate pump with the help of pump machine or self, with high temperature oil pump income external cooling system, just can cool off, and this kind of cooling mode has not only increased machine equipment, has increased a plurality of positions of overhauing for the unit overhauls moreover, overhauls the degree of difficulty increase, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, an object of the utility model is to provide a bearing cooling system can carry out cooling to the bearing, and cooling system is big with the area of contact of high temperature oil, and the cooling effect is good, and simple structure, simple to operate.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a bearing cooling system comprising:
the cooling tank is wrapped outside the bearing oil tank;
a storage device for storing a cooling medium;
a first pipe provided on a side wall of the cooling bath and connected to the storage device, the cooling medium in the storage device being able to be introduced into the cooling bath through the first pipe;
and a second pipe disposed on a side wall of the cooling tank and spaced apart from the first pipe, wherein the cooling medium in the cooling tank can exchange heat with the high-temperature oil in the bearing oil groove, the heated cooling medium is discharged from the cooling tank through the second pipe, and a flowing direction of the cooling medium in the cooling tank is opposite to a rotating direction of the bearing.
As the utility model discloses a bearing cooling system's preferred scheme, storage device with still be provided with pressure device between the first pipe, pressure device's input pipeline with storage device intercommunication, pressure device's output pipeline with first pipe intercommunication.
As the utility model discloses a bearing cooling system's preferred scheme still includes recovery processing device, recovery processing device with the second union coupling for retrieve and handle coolant after the cooling bath heaies up, and let in coolant after handling among the storage device.
As the utility model discloses a bearing cooling system's preferred scheme, the recovery processing device with be provided with high compression pump between the second pipe, high compression pump's one end with the second union coupling, the other end with the recovery processing device is connected, the coolant via after the cooling bath intensifies the high compression pump extremely among the recovery processing device.
As a preferable aspect of the bearing cooling system of the present invention, the diameter of the output pipe of the pressurizing device is larger than the pipe diameter of the first pipe.
As the utility model discloses a bearing cooling system's preferred scheme still include selectively with the high-pressure pnematic device of first pipe intercommunication, high-pressure pnematic device can produce high-pressure gas, in order to incite somebody to action coolant via in the cooling bath the second pipe is discharged.
As a preferable embodiment of the bearing cooling system of the present invention, the first pipe and the second pipe are provided on the side wall of the cooling tank at equal intervals.
As a preferable aspect of the bearing cooling system of the present invention, one of the plurality of second pipes is provided in the bottom of the cooling bath.
As the utility model discloses a bearing cooling system's preferred scheme, the cooling bath ring is located outside the bearing oil groove, the cooling bath is ring structure.
As the utility model discloses a bearing cooling system's preferred scheme, be provided with the top cap on the cooling bath, the top cap with the cooling bath forms the enclosure space.
The utility model has the advantages that:
the utility model provides a bearing cooling system, cooling bath parcel are outside the bearing oil groove, and first pipe and second pipe interval set up on the lateral wall of cooling bath. After the cooling medium in the storage device is introduced into the cooling tank through the first pipe, the cooling medium is in contact with the outer wall of the bearing oil tank so that the cooling medium and high-temperature oil in the bearing oil tank perform heat exchange, the cooling medium heated in the cooling tank is discharged out of the cooling tank through the second pipe, and the cooling medium circulates in such a way so as to cool the high-temperature oil in the bearing oil tank, further cool the bearing and prevent the bearing from being burnt. Compare in prior art with the cooler set up the inner loop cooling mode in the bearing oil groove, the utility model provides a bearing cooling system, the cooling bath parcel can not produce with the flow field of high-temperature oil in the bearing oil groove and interfere outside the bearing oil groove to can avoid the high-temperature oil secondary in the bearing oil groove to heat up, and, cooling medium in the cooling bath can contact completely with the outer wall of bearing oil groove, has increased the area of contact of cooling medium and high-temperature oil, and heat exchange efficiency improves, and the cooling effect is good. Compared with an external circulation cooling mode in the prior art in which a cooler is arranged outside a bearing oil groove, the bearing cooling system is simple in structure and convenient to install, does not need to install complicated external equipment, and reduces the overhauling difficulty. In addition, the flowing direction of the cooling medium in the cooling groove is opposite to the rotating direction of the bearing, so that the heat exchange efficiency of the cooling medium and high-temperature oil in the bearing oil groove can be further improved, and the cooling effect is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a bearing cooling system (hidden top cover) according to an embodiment of the present invention;
fig. 2 is a partial schematic view of a bearing cooling system according to an embodiment of the present invention.
In the figure:
1-a cooling tank; 2-a first tube; 3-a second tube; 4-a top cover;
100-a bearing; 101-bearing oil groove.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts 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. Wherein the terms "first position" and "second position" are two different positions.
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, e.g., as meaning either a fixed connection or a removable connection; 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.
As shown in fig. 1 and 2, the present embodiment provides a bearing cooling system capable of cooling a bearing 100, which includes a cooling bath 1, a storage device, a first pipe 2, and a second pipe 3.
The cooling tank 1 is wrapped outside the bearing oil tank 101, and the storage device is used for storing a cooling medium; the first pipe 2 is arranged on the side wall of the cooling tank 1 and is connected with a storage device, and a cooling medium in the storage device can be introduced into the cooling tank 1 through the first pipe 2; the second pipe 3 is provided on the side wall of the cooling tank 1 and spaced from the first pipe 2, the cooling medium in the cooling tank 1 can exchange heat with the high-temperature oil in the bearing oil groove 101, the heated cooling medium is discharged out of the cooling tank 1 through the second pipe 3, and the flow direction of the cooling medium in the cooling tank 1 is opposite to the rotation direction of the bearing 100. As shown in fig. 1, in the present embodiment, the first pipe 2 and the second pipe 3 have a bent portion inside the cooling tank 1 to guide the cooling medium introduced into the cooling tank 1, so as to ensure that the cooling medium can flow in the cooling tank 1 in a direction opposite to the rotation direction of the bearing 100.
As shown in fig. 1, in the bearing cooling system provided in this embodiment, a cooling tank 1 is wrapped outside a bearing oil tank 101, and a first pipe 2 and a second pipe 3 are disposed on a side wall of the cooling tank 1 at intervals. After the cooling medium in the storage device is introduced into the cooling tank 1 through the first pipe 2, the cooling medium is in contact with the outer wall of the bearing oil tank 101, so that the cooling medium exchanges heat with high-temperature oil in the bearing oil tank 101, the cooling medium heated in the cooling tank 1 is discharged out of the cooling tank 1 through the second pipe 3, and the circulation is performed in such a way, so that the high-temperature oil in the bearing oil tank 101 is cooled, the bearing 100 is cooled, and the bearing 100 is prevented from being burnt. Compare and set up the cooler in bearing oil groove 101 internal recycle cooling mode among the prior art, the bearing cooling system that this embodiment provided, 1 parcel of cooling bath is outside bearing oil groove 101, can not produce with the flow field of high-temperature oil in bearing oil groove 101 and interfere, thereby can avoid the high-temperature oil secondary in the bearing oil groove 101 to heat up, and, the coolant in the cooling bath 1 can contact completely with the outer wall of bearing oil groove 101, the area of contact of coolant with high-temperature oil has been increased, heat exchange efficiency improves, the cooling effect is good. Compared with an external circulation cooling mode in the prior art in which a cooler is arranged outside the bearing oil groove 101, the bearing cooling system is simple in structure and convenient to install, does not need to install complicated external equipment, and reduces the overhauling difficulty. In addition, the flowing direction of the cooling medium in the cooling tank 1 is opposite to the rotating direction of the bearing 100, so that the heat exchange efficiency between the cooling medium and the high-temperature oil in the bearing oil tank 101 can be further improved, and the cooling effect can be ensured. In this embodiment, provide cooling medium through storage device, can guarantee to let in the purity of the cooling medium of cooling bath to protect bearing cooling system, increase of service life. Preferably, the cooling medium is cooling water, and in other embodiments, the cooling medium may be gas or the like, as long as the cooling tank 1 can be filled to cool the high-temperature oil in the bearing oil tank 101.
Optionally, a pressurizing device is further arranged between the storage device and the first pipe 2, an input pipeline of the pressurizing device is communicated with the storage device, and an output pipeline of the pressurizing device is communicated with the first pipe 2. The pressurizing device pressurizes the cooling medium in the storage device, so that the cooling medium enters the cooling tank 1 through the first pipe 2, and meanwhile, the cooling medium entering the cooling tank 1 is guaranteed to have a certain initial speed, so that the cooling medium flows in the cooling tank 1 and exchanges heat with high-temperature oil in the bearing oil groove 101, and the cooling effect is achieved. In the present embodiment, the pressurizing means may be a pressurizing valve or the like as long as it can pressurize the cooling medium.
Optionally, the bearing cooling system further comprises a recycling device, connected to the second pipe 3, for recycling and processing the heated cooling medium in the cooling tank 1, and introducing the processed cooling medium into the storage device. After the cooling medium heated in the cooling tank 1 is recovered to the recovery processing device, the heated cooling medium is cooled, impurities are removed, and then the cooling medium is introduced into the storage device to be reused, so that the cooling medium can be recycled, and waste is avoided. In other embodiments, the heated cooling medium may be introduced into a device requiring a high-temperature medium in a plant area for its working use, thereby making full use of energy.
Optionally, a high-pressure air pump is arranged between the recovery processing device and the second pipe 3, one end of the high-pressure air pump is connected with the second pipe 3, the other end of the high-pressure air pump is connected with the recovery processing device, and the cooling medium heated in the cooling tank 1 is pumped out to the recovery processing device through the high-pressure air pump. The cooling medium heated in the cooling tank 1 can be continuously pumped out by the high-pressure air pump, so that the cooling medium in the storage device can be continuously introduced into the cooling tank 1, the cooling medium in the cooling tank 1 can be continuously updated, the cooling medium in the cooling tank 1 is ensured to have low enough temperature, and the high-temperature oil in the bearing oil groove 101 can be cooled.
To ensure a certain initial velocity of the cooling medium in the cooling channel 1, the outlet conduit of the pressurizing means optionally has a larger diameter than the conduit diameter of the first pipe 2. In this embodiment, the ratio of the diameter of the output conduit of the pressurizing means to the conduit diameter of the first pipe 2 is preferably 4: 1. In other embodiments, different pipe diameter ratios can be designed according to actual requirements to change the initial velocity of the cooling medium entering the cooling tank 1.
Optionally, the bearing cooling system further comprises a high pressure pneumatic device selectively communicable with the first pipe 2, the high pressure pneumatic device being capable of generating high pressure gas to discharge the cooling medium in the cooling bath 1 via the second pipe 3. When the unit is to be inspected, the bearing 100 needs to be lifted out, and therefore, all the cooling medium in the cooling tank 1 needs to be discharged. At the moment, the high-pressure pneumatic device is communicated with the first pipe 2, the high-pressure air generated by the high-pressure pneumatic device blows the cooling medium in the cooling tank 1 out of the cooling tank 1 through the second pipe 3, so that no cooling medium exists in the cooling tank 1, and the normal operation of unit maintenance is prevented from being influenced.
Alternatively, the first pipe 2 and the second pipe 3 are provided in plurality at intervals on the side wall of the cooling bath 1. According to the difference of bearing 100 size, can set up a plurality of first pipes 2 and second pipe 3 at the interval on the lateral wall of cooling bath 1, through setting up a plurality of first pipes 2, can guarantee to let in the even stability of the velocity of flow of the coolant of cooling bath 1, keep the area of contact of coolant and the high temperature oil in bearing oil groove 101 to reach better cooling effect. In addition, since the first pipe 2 and the second pipe 3 are provided in plurality, when a failure occurs in any one of the first pipe 2 and the second pipe 3, the use of the bearing cooling system is not affected. As shown in fig. 1 and 2, in the present embodiment, it is preferable that two first tubes 2 and two second tubes 3 are provided.
Alternatively, one of the plurality of second tubes 3 is provided at the bottom of the cooling bath 1. When overhauing the unit, set up one of them second pipe 3 in the bottom of cooling bath 1, can conveniently discharge the whole coolants in cooling bath 1 to guarantee that the coolants in cooling bath 1 can be discharged totally.
Optionally, the cooling tank 1 is annularly disposed outside the bearing oil tank 101, and the cooling tank 1 has an annular structure. In this embodiment, set up a barrel structure in the outside of bearing oil groove 101, live bearing oil groove 101 parcel, form ring structure's cooling bath 1, when the contact of the coolant in cooling bath 1 and the lateral wall of bearing oil groove 101, can reduce the temperature of high temperature oil in bearing oil groove 101 to bearing 100 in the bearing oil groove 101 cools down, realizes bearing 100's cooling. The arrangement mode enables the cooling tank 1 to be tightly attached to the outer side wall of the bearing oil tank 101, and the maximum contact area between the cooling medium in the cooling tank 1 and the high-temperature oil in the bearing oil tank 101 can be ensured, so that the maximum heat exchange efficiency is achieved, and the cooling effect is obviously improved.
In this embodiment, in order to ensure that the cooling medium is always located in the cooling tank 1, optionally, the cooling tank 1 is provided with the top cover 4, and the top cover 4 and the cooling tank 1 form a closed space, so that the cooling medium can be filled in the whole cooling tank 1, and a good cooling effect is ensured.
The bearing cooling system provided by the embodiment has the following general flow in operation:
first, the cooling medium in the storage device is pressurized by the pressurizing device, the pressurized cooling medium is introduced into the cooling tank 1 through the first pipe 2, and the cooling medium contacts the outer wall of the bearing oil groove 101, so that the cooling medium exchanges heat with the high-temperature oil in the bearing oil groove 101, and the temperature of the cooling medium in the cooling tank 1 is raised. And then the warmed cooling medium is pumped out to a recovery processing device through the second pipe 3 by the high-pressure air pump, the recovery processing device performs cooling processing on the warmed cooling medium, and the processed cooling medium is introduced into a storage device for repeated use, so that the circulation is performed to cool the high-temperature oil in the bearing oil groove 101, so that the bearing 100 is cooled, and the bearing 100 is prevented from being burnt.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A bearing cooling system, comprising:
the cooling tank (1) is wrapped outside the bearing oil tank (101);
a storage device for storing a cooling medium;
a first pipe (2) which is provided on a side wall of the cooling tank (1) and is connected to the storage device, and a cooling medium in the storage device can be introduced into the cooling tank (1) through the first pipe (2);
and the second pipe (3) is arranged on the side wall of the cooling tank (1) and is arranged at an interval with the first pipe (2), the cooling medium in the cooling tank (1) can exchange heat with the high-temperature oil in the bearing oil groove (101), the heated cooling medium is discharged out of the cooling tank (1) through the second pipe (3), and the flowing direction of the cooling medium in the cooling tank (1) is opposite to the rotating direction of the bearing (100).
2. Bearing cooling system according to claim 1, characterized in that a pressurizing device is further arranged between the storage device and the first pipe (2), an input conduit of the pressurizing device communicating with the storage device and an output conduit of the pressurizing device communicating with the first pipe (2).
3. The bearing cooling system according to claim 2, further comprising a recovery processing device connected to the second pipe (3) for recovering and processing the warmed cooling medium in the cooling tank (1) and passing the processed cooling medium into the storage device.
4. A bearing cooling system according to claim 3, characterized in that a high-pressure air pump is arranged between the recovery processing device and the second pipe (3), one end of the high-pressure air pump is connected with the second pipe (3), the other end is connected with the recovery processing device, and the cooling medium heated in the cooling tank (1) is pumped out to the recovery processing device through the high-pressure air pump.
5. Bearing cooling system according to claim 2, characterized in that the diameter of the output duct of the pressurizing means is larger than the duct diameter of the first duct (2).
6. Bearing cooling system according to claim 1, further comprising a high-pressure pneumatic device selectively communicable with the first pipe (2), the high-pressure pneumatic device being capable of generating high-pressure gas for discharging the cooling medium in the cooling bath (1) via the second pipe (3).
7. The bearing cooling system according to claim 1, characterized in that the first pipe (2) and the second pipe (3) are provided in plurality at intervals on the side wall of the cooling groove (1).
8. Bearing cooling system according to claim 7, characterized in that one of the second tubes (3) is arranged at the bottom of the cooling bath (1).
9. The bearing cooling system according to claim 1, characterized in that the cooling groove (1) is arranged around the bearing oil groove (101), and the cooling groove (1) has an annular structure.
10. Bearing cooling system according to any of claims 1 to 9, characterized in that a top cover (4) is arranged on the cooling channel (1), said top cover (4) forming a closed space with the cooling channel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532727.8U CN213575218U (en) | 2020-11-05 | 2020-11-05 | Bearing cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532727.8U CN213575218U (en) | 2020-11-05 | 2020-11-05 | Bearing cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575218U true CN213575218U (en) | 2021-06-29 |
Family
ID=76535822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532727.8U Active CN213575218U (en) | 2020-11-05 | 2020-11-05 | Bearing cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575218U (en) |
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2020
- 2020-11-05 CN CN202022532727.8U patent/CN213575218U/en active Active
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