CN217603834U - Heat exchange system - Google Patents
Heat exchange system Download PDFInfo
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- CN217603834U CN217603834U CN202221161022.2U CN202221161022U CN217603834U CN 217603834 U CN217603834 U CN 217603834U CN 202221161022 U CN202221161022 U CN 202221161022U CN 217603834 U CN217603834 U CN 217603834U
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- heat exchange
- exchange system
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- gear assembly
- cooling medium
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Abstract
The present application provides a heat exchange system using natural resources as a cooling medium, comprising: gear box, lubricating oil pump and heat exchanger. The gear box includes the box, and the lubricating oil pump is located in the box. The box is provided with an oil outlet and an oil inlet. The lubricating oil pump is provided with an oil inlet and an oil outlet. The heat exchanger is provided with an inlet end and an outlet end. The oil inlet is communicated with the space in the box body, the oil outlet is connected with the oil outlet, the oil outlet is connected with the inlet end, and the outlet end is connected with the oil inlet. According to the heat exchange system, natural resources are used as cooling media, and a special cooling medium storage container does not need to be configured in the heat exchange system, so that the volume of the heat exchange system is reduced, the structure of the heat exchange system is simplified, and the cost is reduced. The natural resource cooling medium does not need to be replaced manually and periodically, and the difficulty of equipment maintenance is reduced. And the lubricating oil pump is arranged in the gear box shell, so that the structural design of the heat exchange system is optimized, the size of the heat exchange system is further reduced, and the installation is convenient.
Description
Technical Field
The application relates to an oil cooling technology, in particular to a heat exchange system.
Background
Taking a gear box heat exchange system of a large fire pump as an example, a mechanical gear system in the pump generates a large amount of heat during operation, and a special lubricating oil heat exchange system is required to cool lubricating oil in the gear system.
The traditional lubricating oil heat exchange system needs to arrange special storage and cooling equipment for a cooling medium, so that the volume of the heat exchange system is increased, and the installation is limited; the structure is complicated, and the fault rate is high. And the cooling medium needs to be replaced periodically, adding additional maintenance costs.
SUMMERY OF THE UTILITY MODEL
The heat exchange system utilizes natural resources as cooling media, optimizes the structure of the heat exchange system of the gearbox, and ensures stable operation of a mechanical gear system.
One aspect of the present application provides a heat exchange system using natural resources as a cooling medium, including: a gear box, a lubricating oil pump and a heat exchanger;
the gearbox comprises a box body, the lubricating oil pump is arranged in the box body, and the box body is provided with an oil outlet and an oil inlet;
the lubricating oil pump is provided with an oil inlet and an oil outlet;
the heat exchanger is provided with an inlet end and an outlet end;
the oil inlet is communicated with the space in the box body, the oil outlet is connected with the oil outlet, the oil outlet is connected with the inlet end, and the outlet end is connected with the oil inlet.
Further, the lubricating oil pump is arranged at the bottom of the box body.
Further, the lubricating oil pump comprises an oil pump housing, and the volume of the oil pump housing is less than or equal to one fifth of the volume of the box body.
Further, the gear box includes a first gear assembly for power output, the lubrication oil pump includes a second gear assembly for power input, and the first gear assembly and the second gear assembly are engaged.
Further, the heat exchange system comprises a cooling medium pump for conveying a cooling medium, and the cooling medium pump is arranged outside the box body or arranged in the box body.
Further, the gearbox comprises a first gear assembly for power take-off, the coolant pump comprises a third gear assembly for power input, the third gear assembly and the first gear assembly mesh.
Furthermore, the heat exchanger is provided with a medium inlet end and a medium outlet end which are communicated with each other; the cooling medium pump is provided with a medium inlet and a medium outlet; the medium outlet is connected to the medium inlet.
Further, the heat exchange system further comprises a cooling medium purification device arranged at the medium inlet.
Further, the lubricating oil pump includes a second gear assembly; the distance from the highest point of the first gear assembly, the second gear assembly and the third gear assembly to the top of the gearbox is more than or equal to one fifth of the height of the gearbox.
Further, the box is provided with a window for observing the height of lubricating oil in the gear box.
Further, the heat exchange system also comprises a temperature sensing device, and the temperature sensing device is arranged on the gear box.
This application, the lubricating-oil pump sets up in the gear box casing, has optimized heat exchange system's structural design, reduces its volume, the installation of being convenient for. In addition, natural resources are used as cooling media, a special cooling medium storage container does not need to be arranged in the heat exchange system, the size of the heat exchange system is further reduced, the structure of the heat exchange system is simplified, the manufacturing cost of the heat exchange system is reduced, the probability of failure occurrence is reduced, and the stable operation of a mechanical gear system is ensured. The natural resource cooling medium does not need to be replaced manually and periodically, and the difficulty of equipment maintenance is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic block diagram illustrating one embodiment of a heat exchange system of the present application;
FIG. 2 is a partial schematic view of an embodiment of the heat exchange system of the present application;
fig. 3 is a partial top view of the heat exchange system of fig. 2.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present application provides a heat exchange system using natural resources as a cooling medium, comprising: gear box, lubricating oil pump and heat exchanger. The gear box includes the box, and the lubricating oil pump is located in the box. The box is provided with an oil outlet and an oil inlet. The lubricating oil pump is provided with an oil inlet and an oil outlet. The heat exchanger is provided with an inlet end and an outlet end. The oil inlet is communicated with the space in the box body, the oil outlet is connected with the oil outlet, the oil outlet is connected with the inlet end, and the outlet end is connected with the oil inlet. In this application, the lubricating oil pump sets up in the box of gear box, need not to occupy the exterior space alone, has optimized heat exchange system's structural design for heat exchange system's integrated level improves, and the volume reduces, compact structure.
In addition, natural resources are used as cooling media, for example, rivers, lakes and underground water are used as the cooling media, so that a cooling medium storage container special for storing the cooling media is not required to be arranged in the heat exchange system, the size of the heat exchange system is reduced, the structure of the heat exchange system is simplified, the manufacturing cost of the heat exchange system is reduced, the probability of faults is reduced, and the mechanical gear system is ensured to run stably. Natural resources are used as cooling media, manual regular replacement is not needed, and the equipment maintenance difficulty and labor cost are reduced.
The heat exchange system of the present application will be described in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.
As shown in fig. 1, the present application provides a heat exchange system 100, the heat exchange system 100 comprising: a gearbox 110, a lube pump 120, and a heat exchanger 130. The gear box 110 includes a box 111 and a gear assembly disposed within the box 111. The box body 111 is provided with an oil outlet 112 and an oil inlet 113, lubricating oil is filled in the box body 111, and the lubricating oil can lubricate and cool the gear assembly in the box body 111.
The lubricating oil pump 120 is arranged in the box body 111, the lubricating oil pump 120 is provided with an oil inlet 121 and an oil outlet 122, the oil inlet 121 is communicated with the space in the box body 111, and the oil outlet 122 is communicated to the heat exchanger 130 through the oil outlet 112.
The heat exchanger 130 is provided with an inlet end 131 and an outlet end 132, the oil outlet 122 is communicated to the inlet end 131 of the heat exchanger 130 through the oil outlet 112, and the outlet end 132 of the heat exchanger 130 is communicated with the oil inlet 113 of the box body 111. Therefore, lubricating oil in the box body 111 can be input into the heat exchanger 130 through the lubricating oil pump 120, heat exchange is carried out between the cooling medium and the lubricating oil in the heat exchanger 130, the lubricating oil is cooled, the cooled lubricating oil flows out from the outlet end 132 of the heat exchanger 130 and enters the oil inlet 113 of the box body 111, and the circulating cooling of the lubricating oil is realized.
As can be seen from the above description, the lubricating oil pump 120 is disposed in the box 111, and does not need to occupy an external space separately, thereby optimizing the structural design of the heat exchange system 100, improving the integration of the heat exchange system 100, reducing the volume, and making the structure more compact.
The heat exchange system 100 further comprises a cooling medium pump 140 for delivering a cooling medium. The heat exchanger 130 is provided with a medium inlet port 133 communicating with a cooling medium inflow and a medium outlet port 134 communicating with a cooling medium outflow. The cooling medium pump 140 is provided with a medium inlet 141 and a medium outlet 142. The medium outlet 142 is connected to the medium inlet port 133 for supplying the cooling medium to the medium inlet port 133 by the cooling medium pump 140. The cooling medium pump 140 can accelerate the circulation of the cooling medium, whereby the heat exchange efficiency of the lubricating oil can be improved.
The heat exchange system 100 according to the present invention may use natural resources such as seawater, river water, and groundwater as the cooling medium, and for example, the cooling medium pump 140 may transfer seawater, river water, or groundwater into the heat exchanger 130. Thus, a cooling medium storage container specially used for storing the cooling medium is not required to be arranged in the heat exchange system 100, the volume of the heat exchange system 100 is reduced, the structure is simplified, and the cost is reduced. Natural resources are used as cooling media, manual regular replacement is not needed, and the difficulty of equipment maintenance is reduced. In addition, the lubricating oil is cooled by using the cold energy of natural resources by using local materials, and the cooling medium is not required to be additionally cooled, so that the energy consumption is greatly reduced, and the effect of zero carbon emission is realized.
In one embodiment, the heat exchange system 100 may further include a purification device (not shown) for filtering the cooling medium, which may be provided at the medium inlet 141. In some embodiments, the purification device may employ a filter screen to filter impurities in natural resources such as river water and underground water, so as to reduce the influence of the cooling medium on the pipeline of the heat exchange system 100 and avoid blockage.
In other embodiments, when seawater is used as the cooling medium, the purification device may be a seawater desalination device to prevent seawater from corroding the pipes of the heat exchange system 100. Of course, the purifying device is not limited to the above description, and the embodiment of the purifying device and the realized functions may be different according to different application scenarios of the purifying device, and the present application does not limit the embodiments.
In some embodiments, components of the heat exchanger 130, the cooling medium pump 140, and the cooling medium flow lines in the heat exchange system 100 may be made of corrosion resistant materials, such as stainless steel, to reduce the effect of the cooling medium on the system. The present application does not impose any limitations on the materials of the heat exchange system 100.
In some embodiments, an observation port (not shown) is provided at the medium outlet end 132 of the heat exchanger 130, through which the flow condition of the cooling medium in the heat exchanger 130 can be observed, for example, an abnormal condition such as blockage is found, and the maintenance can be performed in time.
In some embodiments, as shown with reference to fig. 1 to 3, the cooling medium pump 140 is provided outside the case 111, and is provided so as to facilitate the arrangement of the cooling medium pump 140 when the natural resources are located far from the gear box 110. In other embodiments, the cooling medium pump 140 is disposed in the box 111, and in this case, an opening through which the medium inlet 141 and the medium outlet 142 pass needs to be formed in the box 111. The heat exchange system 100 can be further integrated in an embodiment in which the cooling medium pump 140 is provided in the tank 111.
In some embodiments, as shown in fig. 2, the gearbox 110 includes a first gear assembly 114 for power output, the lube pump 120 includes a second gear assembly 123 for power input, and the first gear assembly 114 and the second gear assembly 123 are meshed. The lubricating oil pump 120 is directly driven by the gear box 110 without an additional driving source, thereby saving energy and reducing cost. Moreover, the heat exchange system 100 does not need to consider the arrangement problem of the driving source of the lubricating oil pump 120, so that the heat exchange system has a wider application range and is beneficial to being arranged in a harsh natural environment. The gear box 110 in this embodiment can be applied to the fire pump, and the fire pump generally adopts the diesel engine as power input source, and power is great, and from this, gear box 110 drives the operation of lubricating oil pump 120 for the circulation speed of lubricating oil accelerates, realizes quick heat exchange.
With continued reference to fig. 2, in some embodiments, the cooling medium pump 140 includes a third gear assembly 143 for power input, the third gear assembly 143 meshing with the first gear assembly 114. So set up, gear box 110 can also drive coolant pump 140 operation, need not to set up the driving source in addition. Under the driving of the gear box 110, the cooling medium flows rapidly in the heat exchange system 100, and flows into the medium inlet 141 and flows out of the medium outlet 142 continuously, so that sufficient cooling capacity is provided for cooling the lubricating oil. Therefore, the heat exchanger 130 does not need to store a large amount of cooling medium, the volume can be greatly reduced, the miniaturized design is realized, the installation is convenient, and the cost is reduced. Moreover, the rapid circulation of the cooling medium can reduce the possibility of deposition hardening and corrosion of the heat exchange system 100, and reduce the frequency of system operation and maintenance. In some embodiments, the miniaturized heat exchanger 130 may be designed in a disposable manner, and after being used for a period of time, the heat exchanger 130 is directly replaced, so that the operation and maintenance time is reduced, and the comprehensive economic benefit is improved.
The transmission ratio between the first gear assembly 114 and the second gear assembly 123 and the transmission ratio between the third gear assembly 143 and the first gear assembly 114 are designed according to practical requirements, and the present application does not limit this.
In some embodiments, the heat exchanger 130 is provided with heat exchange tubes (not shown), with the inlet end 131 and the outlet end 132 being opposite ends of the heat exchange tubes. The volume of the heat exchange tube and the lubricating oil pipeline is set, so that when the lubricating oil flows in the pipeline, the lubricating oil in the gear box 110 always flows through the first gear assembly 114, the second gear assembly 123 and the third gear assembly 143, and therefore the transmission assembly in the gear box 110 can be lubricated and cooled sufficiently all the time, and faults are avoided. In some embodiments, the highest point of the first, second, and third gear assemblies 114, 123, and 143 is a distance from the top of the gearbox 110 that is greater than or equal to one-fifth the height of the gearbox 110. So configured, further ensures that the drive components within the gear box 110 are submerged in the lubricating oil. And the transmission assembly has compact structure, reduces the volume of the gear box 110 and is convenient to install.
In some embodiments, the lubricant pump 120 is disposed at the bottom of the box 111 and spaced apart from other transmission components, so as to reduce the influence on the operation of the gear box 110, and ensure that the oil inlet 121 of the lubricant pump 120 is always submerged in lubricant oil and can normally operate.
In some embodiments, as shown in fig. 1 and 2, the lubricating oil pump 120 includes an oil pump housing 124, the volume of the oil pump housing 124 is less than or equal to one fifth of the volume of the tank 111, and the lubricating oil pump 120 is a small pump, so that the volume of the tank 111 is reduced, and the lubricating oil pump is convenient to adapt to different installation limiting conditions.
In some embodiments, as shown in fig. 2, the box 111 is provided with a window 115 for observing the level of the lubricant inside the gear box 110, and when the level of the lubricant is lower than a minimum set value, the operation of the gear box 110 is stopped in time to avoid safety accidents.
Optionally, the heat exchange system 100 further comprises a temperature sensing device 116 disposed on the gearbox 110. In some embodiments, the temperature sensing device 116 may be a thermometer, which displays the temperature of the gearbox 110, and is low in cost and easy to implement. In other embodiments, the temperature sensing device 116 may be a display screen for reading temperature and a control system, which may stop the operation of the gear box 110 when the temperature exceeds a safe range, or may stop the operation of the heat exchange system 100 when the temperature of the lubricant is lower than a minimum set value, and then start the heat exchange system 100 when the temperature of the lubricant is increased and needs to be decreased.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (11)
1. A heat exchange system using natural resources as a cooling medium, comprising: a gear box, a lubricating oil pump and a heat exchanger;
the gearbox comprises a box body, the lubricating oil pump is arranged in the box body, and the box body is provided with an oil outlet and an oil inlet;
the lubricating oil pump is provided with an oil inlet and an oil outlet;
the heat exchanger is provided with an inlet end and an outlet end;
the oil inlet is communicated with the space in the box body, the oil outlet is connected with the oil outlet, the oil outlet is connected with the inlet end, and the outlet end is connected with the oil inlet.
2. The heat exchange system as claimed in claim 1, wherein the oil pump is provided at a bottom of the tank.
3. A heat exchange system as claimed in claim 1, wherein the oil pump includes an oil pump housing having a volume less than or equal to one fifth of the volume of the tank.
4. The heat exchange system as claimed in any one of claims 1 to 3, wherein the gear box includes a first gear assembly for power output, the lubrication oil pump includes a second gear assembly for power input, and the first gear assembly and the second gear assembly are engaged.
5. The heat exchange system according to claim 1, wherein the heat exchange system includes a cooling medium pump for conveying a cooling medium, the cooling medium pump being provided outside the tank, or the cooling medium pump being provided inside the tank.
6. The heat exchange system of claim 5 wherein the gear box includes a first gear assembly for power output, the coolant pump includes a third gear assembly for power input, the third gear assembly and the first gear assembly mesh.
7. The heat exchange system according to claim 5 or 6, wherein the heat exchanger is provided with a medium inlet end and a medium outlet end which are in communication; the cooling medium pump is provided with a medium inlet and a medium outlet; the media outlet is connected to the media inlet port.
8. The heat exchange system of claim 7 further comprising a cooling medium purification device disposed at the medium inlet.
9. The heat exchange system as claimed in claim 6, wherein the lubricating oil pump includes a second gear assembly; the distance from the highest point of the first gear assembly, the second gear assembly and the third gear assembly to the top of the gearbox is more than or equal to one fifth of the height of the gearbox.
10. The heat exchange system of claim 1, wherein the housing is provided with a window for observing the level of lubricant inside the gear box.
11. The heat exchange system of claim 1 further comprising a temperature sensing device disposed in the gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221161022.2U CN217603834U (en) | 2022-05-13 | 2022-05-13 | Heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221161022.2U CN217603834U (en) | 2022-05-13 | 2022-05-13 | Heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217603834U true CN217603834U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221161022.2U Active CN217603834U (en) | 2022-05-13 | 2022-05-13 | Heat exchange system |
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|---|---|
| CN (1) | CN217603834U (en) |
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2022
- 2022-05-13 CN CN202221161022.2U patent/CN217603834U/en active Active
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