CN213016764U - Oil cooling system for cooling lubricating oil of fracturing pump - Google Patents
Oil cooling system for cooling lubricating oil of fracturing pump Download PDFInfo
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- CN213016764U CN213016764U CN202021272810.XU CN202021272810U CN213016764U CN 213016764 U CN213016764 U CN 213016764U CN 202021272810 U CN202021272810 U CN 202021272810U CN 213016764 U CN213016764 U CN 213016764U
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Abstract
The utility model discloses an oil cooling system for cooling off lubricating oil of fracturing pump belongs to oil cooling system technical field. The utility model discloses an oil cooling system for cooling lubricating oil of a fracturing pump, which comprises a frame, and an oil pump unit, an air cooler and an atomizing unit which are assembled on the frame; the oil pump unit is connected with the air cooler through an oil guide pipe, and the atomization unit is located near an air inlet of the air cooler and used for spraying water mist. Adopt the utility model discloses an oil cooling system for cooling fracturing pump's lubricating oil, when ambient temperature is higher, the utility model discloses an oil cooling system still can effectual cooling fracturing pump's lubricating oil, ensures fracturing pump can normal operating, improves fracturing pump's life.
Description
Technical Field
The utility model relates to an oil cooling system for cooling lubricating oil of fracturing pump belongs to oil cooling system technical field.
Background
In the field of petroleum, fracturing refers to a method of forming cracks in oil and gas layers by using the action of water power in the process of oil or gas production, and is also called hydraulic fracturing. Fracturing is the process of artificially cracking stratum, improving the flowing environment of oil in underground and increasing the yield of oil well, and plays an important role in improving the flowing condition of oil well bottom, slowing down the interlamination and improving the oil layer utilization condition.
Fracturing pumps are important equipment in performing fracturing operations. In a construction site, due to the special working condition of the use of the fracturing pump, the fracturing pump is exposed to extreme high-temperature environment in the sun often for a long time in summer. Due to the limitation of the volume of the fracturing pump, the heat dissipation capacity of the air cooling mechanism of the fracturing pump is limited, particularly, when the environmental temperature rises to be higher, the air cooling mechanism of the fracturing pump loses efficacy gradually, the balance temperature of lubricating oil of the fracturing pump exceeds a limit value, so that the oil temperature of the lubricating oil is too high, the viscosity and the oil pressure of the lubricating oil are reduced, the lubricating oil loses efficacy, tiles are burned, sliding bearings are locked, and other malignant damages are caused, the normal operation of the fracturing pump is influenced, and the service life of the fracturing pump is shortened.
Therefore, need to design an oil cooling system for cooling the lubricating oil of fracturing pump, the lubricating oil of fracturing pump can effectual cooling, ensures that the fracturing pump can normal operating, improves fracturing pump's life.
Disclosure of Invention
The invention of the utility model aims to: to the problem that above-mentioned exists, provide an oil cooling system for cooling fracturing pump's lubricating oil, when ambient temperature is higher, the utility model discloses an oil cooling system still can effectual cooling fracturing pump's lubricating oil, ensures fracturing pump can normal operating, improves fracturing pump's life.
In the present invention, the air cooler and the water cooler are heat exchangers in the prior art. For the air cooler, an oil inlet of the air cooler is an inlet of lubricating oil to be cooled, and an oil outlet of the air cooler is an outlet of the cooled lubricating oil; the air inlet of the air cooler is positioned at the fin of the air cooler and is an inlet for sucking air, and the air outlet of the air cooler is positioned at the fan of the air cooler and is an outlet for discharging air. For the water cooler, an oil inlet of the water cooler is an inlet of lubricating oil to be cooled, and an oil outlet of the water cooler is an outlet of the cooled lubricating oil; the water inlet of the water cooler is the inlet of the cooling water, and the water outlet of the water cooler is the outlet of the cooling water. The oil guide pipe is a pipe for guiding lubricating oil, and the water guide pipe is a pipe for guiding cooling water. When the air cooler/water cooler is connected with the oil guide pipe, the oil inlet/outlet of the air cooler/water cooler is communicated with the oil guide pipe; when the water cooler is connected with the water guide pipe, the water inlet/outlet of the water cooler is communicated with the water guide pipe. The lubricating oil described in the utility model is the abbreviation of the lubricating oil to the fracturing pump.
The utility model adopts the technical scheme as follows:
an oil cooling system for cooling lubricating oil of a fracturing pump comprises a rack, and an oil pump unit, an air cooler and an atomizing unit which are assembled on the rack; the oil pump unit is connected with the air cooler through an oil guide pipe, and the atomization unit is located near an air inlet of the air cooler and used for spraying water mist.
When the oil cooling system of the utility model is used for cooling the lubricating oil of the fracturing pump, the fracturing pump and the oil cooling system of the utility model are connected in series through the oil guide pipe to form a closed loop lubricating oil circulation loop; lubricating oil to be cooled of the fracturing pump enters the air cooler through the oil pump unit and is cooled and then conveyed back to the fracturing pump, and the lubricating oil is cooled. The air cooler takes the air in the environment as a heat exchange medium to exchange heat, and the heat of the lubricating oil is taken away by the air. If the design of the atomization unit is not adopted, when the ambient temperature rises too high, the lubricating oil and the ambient temperature do not have enough temperature difference, and the air cooler is difficult to effectively cool the lubricating oil. And the utility model discloses the atomizing unit has been designed very much, the atomizing unit leads to after water, atomizing unit will be near the air intake blowout water smoke at air cooler, the humidity of air in the local environment has been increased, also reduced near the ambient temperature of air cooler, more importantly, water smoke is inhaled the back by air cooler from air cooler's air intake, water smoke will adsorb on air cooler's fin, high temperature and quick air current's on lubricating oil transmission to fin effect down, the water smoke that adsorbs on the fin will evaporate the heat absorption, will take away a large amount of heats and discharge from air cooler's air outlet, thereby can effectual reduction fin's temperature, and realize the effective cooling to lubricating oil, ensure that the fracturing pump can normal operating, improve the life of fracturing pump.
Optionally, the atomizing unit includes a water passage and a plurality of atomizing nozzles disposed in a length direction of the water passage. As a specific design of the atomization unit, after water with pressure is introduced into the water pipeline, water mist can be sprayed to the position near the air inlet of the air cooler through the atomization nozzle.
Optionally, the oil pump unit includes an oil pump and a filter, and a relief valve is connected between the oil pump and the filter. The oil pump can provide power for the circulation flow of the lubricating oil; the filter can filter impurities which are generated during the operation of the fracturing pump and are blended into the lubricating oil, so that the quality of the lubricating oil is ensured; the safety valve can improve the safety of the oil cooling system.
Preferably, the filter is connected with the air cooler through an oil guide pipe, so that the oil pump unit is connected with the air cooler through the oil guide pipe. When the design is adopted, lubricating oil to be cooled of the fracturing pump sequentially passes through the oil pump, the safety valve and the filter and then enters the air cooler, so that the filtered lubricating oil directly enters the air cooler for cooling without passing through other functional elements, the quality of the subsequent lubricating oil entering the fracturing pump is ensured, and the service life of the fracturing pump is prolonged.
Furthermore, the oil pump, the safety valve and the filter are connected in a flange connection mode. The volume of the oil pump unit can be reduced, so that the structure of the oil pump unit is compact and reliable.
Preferably, the motor of the oil pump is a variable frequency motor, and the filter is a fine filter. When the motor of the oil pump is designed as a variable frequency motor, stepless speed regulation and low-speed starting can be realized; when the oil cooling system is started, the shock to the circulation circuit can be reduced. When the filter is designed as a fine filter, the filtering effect of the lubricating oil can be improved, and the quality of the lubricating oil is ensured.
Further, the oil pump unit further comprises an oil pressure sensor for detecting oil pressure in the oil guide pipe, and the oil pressure sensor is electrically connected with a motor of the oil pump. The oil pressure of the lubricating oil can be detected through the oil pressure sensor, the rotating speed of a motor of the oil pump is controlled in a feedback mode, and the oil pressure of the lubricating oil can be basically kept constant.
Optionally, the water cooling device is assembled on the rack and is connected with the air cooler in series through an oil guide pipe; or the water cooler and the air cooler are connected in parallel through an oil guide pipe. When the design is adopted, the water cooler can also play a cooling role on lubricating oil. The water source conditions in practical projects are limited, and when the ambient temperature rises too high, the temperature of the water source is generally high. If no cold water source with lower temperature is arranged on a construction site, the water cooler has limited cooling effect on the lubricating oil, the due effect of the water cooler is difficult to play, and the cooling of the lubricating oil is realized mainly by the air cooler and the atomizing unit. And if there is the cold water source in the job site, the water cooler can effectual cooling lubricating oil, and water cooler and air cooler, atomizing unit can both realize the cooling to lubricating oil. Therefore, the water cooler mainly plays a role in supplementary cooling, is optimally adopted when a cold water source exists, and can also properly reduce the load of the air cooler and reduce noise pollution. No matter the parallel connection or the serial connection between the water cooler and the air cooler, the cooling of the air cooler and the atomizing unit on the lubricating oil is not influenced; meanwhile, the water cooler can realize effective cooling of lubricating oil when the cold water source exists.
Optionally, the water cooling device is assembled on the rack, the water cooling device and the air cooling device are connected in parallel through an oil guide pipe, and an oil inlet of the water cooling device is connected in series with a stop valve. When no cold water source exists in a construction site, the cooling effect of the water cooler is not obvious; at this time, the stop valve is closed, so that the lubricating oil is cooled only by the air cooler and the atomizing unit without passing through the water cooler. When a cold water source exists in a construction site, the stop valve is opened at the moment, so that part of lubricating oil is cooled when flowing into the water cooler, and the air cooler, the atomizing unit and the water cooler cool the lubricating oil.
Furthermore, the water outlet of the water cooler is connected with the water inlet of the atomization unit through a water guide pipe. When the design is adopted, the structure is compact and reasonable, the atomizing unit does not need to be externally connected with a water source independently, and water discharged from the water outlet of the water cooler is led into the atomizing unit through the water guide pipe and then is sprayed out near the air inlet of the air cooler through the atomizing unit.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses an oil cooling system for cooling the lubricating oil of fracturing pump, when adopting the oil cooling system of the utility model to cool the lubricating oil of the fracturing pump, the air cooler can realize cooling the lubricating oil of the fracturing pump; when the ambient temperature rises too high, make atomizing unit near the air intake blowout water smoke of air cooler, can increase the humidity of air in the local environment, reduce the ambient temperature near the air cooler, water smoke is inhaled the back by the air cooler, will adsorb on the fin of air cooler, under the effect of high temperature and quick air current on the fin, the water smoke that adsorbs on the fin will evaporate the heat absorption, take away a large amount of heats and discharge from the air outlet of air cooler, thereby the effectual temperature that reduces the fin, when ambient temperature is higher, still can effectively cool off lubricating oil, ensure fracturing pump normal operating, improve fracturing pump's life. When the design of combining the water chiller, can cool off lubricating oil after the water chiller inserts the cold water source, can suitably reduce the load of air chiller this moment, reduce noise pollution.
Drawings
FIG. 1 is a schematic view of an oil cooling system according to the present invention;
FIG. 2 is a schematic structural view of an oil cooling system of the present invention with a frame hidden;
FIG. 3 is a front view of the oil cooling system of the present invention with the frame hidden;
fig. 4 is a front view of the oil pump unit;
FIG. 5 is a top view of the atomizing unit;
FIG. 6 is a schematic block diagram of a lubricating oil circulation circuit of a fracturing pump when the oil cooling system of the present invention is used, wherein a water cooler is connected in parallel with a wind cooler;
fig. 7 is a schematic block diagram of a lubricating oil circulation circuit of a fracturing pump when the oil cooling system of the present invention is used, wherein a water cooler is connected in series with an air cooler.
The labels in the figure are: the system comprises a frame 1, an oil pump unit 2, an oil pump 21, a safety valve 22, a filter 23, an air cooler 3, an atomization unit 4, a water pipeline 41, an atomization nozzle 42, a water cooler 5, an oil guide pipe 6, a shunt joint 61, a confluence joint 62, a stop valve 63 and a water guide pipe 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
All of the features disclosed in the present application, or all of the steps in any method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to facilitate understanding of the utility model, the air cooler and the water cooler are simply introduced, and the air cooler and the water cooler are heat exchangers in the prior art. For the air cooler, an oil inlet of the air cooler is an inlet of lubricating oil to be cooled, and an oil outlet of the air cooler is an outlet of the cooled lubricating oil; the air inlet of the air cooler is positioned at the fin of the air cooler and is an inlet for sucking air, and the air outlet of the air cooler is positioned at the fan of the air cooler and is an outlet for discharging air. For the water cooler, an oil inlet of the water cooler is an inlet of lubricating oil to be cooled, and an oil outlet of the water cooler is an outlet of the cooled lubricating oil; the water inlet of the water cooler is the inlet of the cooling water, and the water outlet of the water cooler is the outlet of the cooling water. The oil guide pipe is a pipe for guiding lubricating oil, and the water guide pipe is a pipe for guiding cooling water. In the utility model, when the air cooler/water cooler is connected with the oil guide pipe, the oil inlet/outlet of the air cooler/water cooler is communicated with the oil guide pipe; when the water cooler is connected with the water guide pipe, the water inlet/outlet of the water cooler is communicated with the water guide pipe. The lubricating oil described in the utility model is the abbreviation of the lubricating oil to the fracturing pump.
Example one
As shown in fig. 1 to 7, an oil cooling system for cooling lubricating oil of a fracturing pump of the present embodiment includes a frame 1, and an oil pump unit 2, an air cooler 3 and an atomizing unit 4 which are mounted on the frame 1; the oil pump unit 2 is connected with the air cooler 3 through an oil guide pipe 6, and the atomization unit 4 is located near an air inlet of the air cooler 3 and used for spraying water mist.
When the oil cooling system of the utility model is used for cooling the lubricating oil of the fracturing pump, the fracturing pump and the oil cooling system of the utility model are connected in series through the oil guide pipe to form a closed loop lubricating oil circulation loop; lubricating oil to be cooled of the fracturing pump enters the air cooler 3 through the oil pump unit 2 to be cooled and then is conveyed back to the fracturing pump, and the lubricating oil is cooled. The air cooler 3 takes the air in the environment as the medium of heat exchange to exchange heat, and the heat of the lubricating oil is taken away by the air. If the design of the atomizing unit 4 is not adopted, when the ambient temperature rises too high, the lubricating oil does not have a sufficient temperature difference with the ambient temperature, and the air cooler 3 has difficulty in cooling the lubricating oil effectively. And the utility model discloses an atomizing unit 4 has been designed very much, atomizing unit 4 leads to after water, atomizing unit 4 will be in near air intake blowout water smoke of air cooler 3, the humidity of air in the local environment has been increased, also reduced near the ambient temperature of air cooler, more importantly, water smoke is inhaled the back by air cooler 3 from the air intake of air cooler 3, water smoke will adsorb on the fin of air cooler, under the effect of high temperature and quick air current on lubricating oil transmission to fin, the water smoke that adsorbs on the fin will evaporate the heat absorption, will take away a large amount of heats and discharge from the air outlet of air cooler, thereby can effectual temperature that reduces the fin, and realize the effective cooling to lubricating oil, ensure that the fracturing pump can normal operating, improve the life of fracturing pump.
Alternatively, as shown in fig. 5, the atomizing unit 4 includes a water passage 41 and a plurality of atomizing heads 42 provided in a longitudinal direction of the water passage 41. As a specific design of the atomizing unit 4, when water under pressure is introduced into the water passage 41, water mist can be sprayed to the vicinity of the air inlet of the air cooler 3 through the atomizing nozzle 42.
Alternatively, as shown in fig. 4, the oil pump unit 2 includes an oil pump 21 and a filter 23, and a relief valve 22 is connected between the oil pump 21 and the filter 23. The oil pump 21 can provide power for the circulation flow of the lubricating oil; the filter 23 can filter out impurities which are generated during the operation of the fracturing pump and are blended into the lubricating oil, so that the quality of the lubricating oil is ensured; the relief valve 22 can improve the safety of the oil cooling system. Of course, it is also possible that the oil pump unit 2 includes only the oil pump 21.
Preferably, the filter 23 is connected with the air cooler 3 through an oil guide pipe 6, so that the oil pump unit 2 is connected with the air cooler 3 through the oil guide pipe 6. When the design is adopted, lubricating oil to be cooled of the fracturing pump enters the air cooler 3 after sequentially passing through the oil pump 21, the safety valve 22 and the filter 23, so that the filtered lubricating oil directly enters the air cooler 3 for cooling without passing through other functional elements, the quality of the subsequent lubricating oil entering the fracturing pump is ensured, and the service life of the fracturing pump is prolonged.
Further, the oil pump 21, the relief valve 22, and the filter 23 are connected by flange connection. That is, the oil pump 21 and the relief valve 22 are connected by a flange connection, and the relief valve 22 and the filter 23 are connected by a flange connection. The volume of the oil pump unit 2 can be reduced, so that the structure of the oil pump unit 2 is compact and reliable. If the flange connection is not adopted, but the oil pump 21, the relief valve 22 and the filter 23 are connected by the oil conduit, the number of pipelines is increased, and the volume of the oil pump unit 2 is increased.
Preferably, the motor of the oil pump 21 is a variable frequency motor, and the filter 23 is a fine filter. When the motor of the oil pump 21 is designed as a variable frequency motor, stepless speed regulation and low-speed starting can be realized; when the oil cooling system is started, the shock to the circulation circuit can be reduced. When the filter 23 is designed as a fine filter, the filtering effect of the lubricating oil can be improved, and the quality of the lubricating oil can be ensured.
Further, the oil pump unit 2 further includes an oil pressure sensor for detecting an oil pressure in the oil guide pipe, and the oil pressure sensor is electrically connected to a motor of the oil pump 21. Specifically, the oil pressure sensor is electrically connected to a motor of the oil pump 21 through a controller. The oil pressure of the lubricating oil can be detected by the oil pressure sensor, and the rotation speed of the motor of the oil pump 21 is feedback-controlled, so that the oil pressure of the lubricating oil can be kept substantially constant. Preferably, the oil pressure sensor is provided on the relief valve 22.
Example two
Based on the design of the first embodiment, as shown in fig. 1 to 6, the oil cooling system for cooling the lubricating oil of the fracturing pump of the present embodiment further includes a water cooler 5 mounted on the rack 1, and the water cooler 5 and the air cooler 3 are connected in series through an oil guide pipe 6. When the design is adopted, the water cooler 5 can also play a cooling role on the lubricating oil. The water source conditions in practical projects are limited, and when the ambient temperature rises too high, the temperature of the water source is generally high. If no cold water source with lower temperature exists in a construction site, the water cooler 5 has limited cooling effect on the lubricating oil, so that the due effect of the water cooler is difficult to exert, and the cooling of the lubricating oil is realized mainly by the air cooler 3 and the atomizing unit 4. And if there is the cold water source in the job site, water cooler 5 can effectual cooling lubricating oil, and water cooler 5 and wind cooler 3, atomizing unit 4 can both realize the cooling to lubricating oil. Therefore, the water cooler 5 mainly plays a role of supplementary cooling, is optimally used when a cold water source is available, and can also properly reduce the load of the air cooler 3 and reduce noise pollution. When the design that the water cooler 5 and the air cooler 3 are connected in series is adopted, the lubricating oil is cooled by the water cooler 5 and the air cooler 3 (and the atomization unit 4) in a double mode; however, since the water cooler 5 is connected in series with the air cooler 3, the flow resistance of the lubricating oil is increased.
Further, as shown in fig. 1, the water outlet of the water cooler 5 is connected to the water inlet of the atomizing unit 4 through a water conduit 7. When the design is adopted, the structure is compact and reasonable, the atomizing unit 4 is not required to be externally connected with a water source independently, and water discharged from the water outlet of the water cooler 5 is led into the atomizing unit 4 through the water guide pipe 7 and then is sprayed out near the air inlet of the air cooler 3 through the atomizing unit 4.
EXAMPLE III
Based on the design of the first embodiment, as shown in fig. 1 to 5 and 7, the oil cooling system for cooling the lubricating oil of the fracturing pump of the present embodiment further includes a water cooler 5 mounted on the rack 1, and the water cooler 5 is connected in parallel with the air cooler 3 through an oil guide pipe 6. When the design is adopted, the water cooler 5 can also play a cooling role on the lubricating oil. The water source conditions in practical projects are limited, and when the ambient temperature rises too high, the temperature of the water source is generally high. If no cold water source with lower temperature exists in a construction site, the water cooler 5 has limited cooling effect on the lubricating oil, so that the due effect of the water cooler is difficult to exert, and the cooling of the lubricating oil is realized mainly by the air cooler 3 and the atomizing unit 4. And if there is the cold water source in the job site, water cooler 5 can effectual cooling lubricating oil, and water cooler 5 and wind cooler 3, atomizing unit 4 can both realize the cooling to lubricating oil. Therefore, the water cooler 5 mainly plays a role of supplementary cooling, is optimally used when a cold water source is available, and can also properly reduce the load of the air cooler 3 and reduce noise pollution. No matter the parallel connection or the serial connection between the water cooler and the air cooler, the cooling of the air cooler and the atomizing unit on the lubricating oil is not influenced; meanwhile, the water cooler can also realize the cooling of the lubricating oil when the condition of the cold water source exists.
Further, as shown in fig. 3 and 7, a stop valve 63 is connected in series to an oil inlet of the water cooler 5. When no cold water source exists in a construction site, the cooling effect of the water cooler 5 is not obvious; at this time, the shutoff valve 63 is closed so that the lubricating oil does not pass through the water cooler 5 but is cooled only by the air cooler 3 and the atomizing unit 4. When a cold water source exists in a construction site, at the moment, the stop valve 63 is opened, so that part of the lubricating oil flows into the water cooler 5 for cooling, and the air cooler 3, the atomizing unit 4 and the water cooler 5 all cool the lubricating oil.
Further, as shown in fig. 1, the water outlet of the water cooler 5 is connected to the water inlet of the atomizing unit 4 through a water conduit 7. When the design is adopted, the structure is compact and reasonable, the atomizing unit 4 is not required to be externally connected with a water source independently, and water discharged from the water outlet of the water cooler 5 is led into the atomizing unit 4 through the water guide pipe 7 and then is sprayed out near the air inlet of the air cooler 3 through the atomizing unit 4.
Example four
On the basis of the combined design of the technical features of the first embodiment and the third embodiment, in the present embodiment, a preferred structural form of the oil cooling system is specifically disclosed, as shown in fig. 1 to 5 and 7, the air cooler 3 is located at the top of the rack 1, the water pipeline 41 and the atomizing nozzle 42 of the atomizing unit 4 are located right below the air inlet of the air cooler 3, the oil pump 21, the safety valve 22 and the filter 23 of the oil pump unit 2 are connected in a flange connection manner, the oil pressure sensor mounted on the safety valve 22 is electrically connected with the motor of the oil pump 21 through the controller, the motor of the oil pump 21 is a variable frequency motor, and the filter 23 is a fine filter. After the oil pump 21, the safety valve 22 and the filter 23 are connected in a flange connection mode, an oil outlet of the filter 23 is connected with a shunt joint 61, 2 oil outlets of the shunt joint 61 are respectively connected with the air cooler 3 and the water cooler 5 through oil guide pipes 6, an oil inlet of the water cooler 5 is connected with a stop valve 63 in series, and oil outlets of the air cooler 3 and the water cooler 5 are respectively connected to 2 oil inlets of a confluence joint 62 through the oil guide pipes 6; the water inlet of the water cooler 5 is connected with a water source, and the water outlet of the water cooler 5 is connected with the water inlet of the water pipeline 41 through the water guide pipe 7.
When the fracturing pump is connected with the oil cooling system of the embodiment, the oil cooling system of the embodiment is mounted on a prying seat on which the fracturing pump is mounted to form a prying structure, an oil outlet of the fracturing pump is connected with an oil inlet of the oil pump 21 through an oil guide pipe 6, and an oil outlet of the confluence joint 62 is connected with the oil inlet of the fracturing pump through the oil guide pipe 6.
When the oil cooling system of the embodiment is used for cooling lubricating oil of the fracturing pump. When the ambient temperature is not high, only make the work of air cooler 3 cool down lubricating oil can, atomizing unit 4, water cooler 5 are out of work (stop valve 63 is closed). When the ambient temperature is higher, and the water source temperature is higher, when not having the cold water source, make air cooler 3, 4 work of atomizing unit cool off lubricating oil, make 5 partial work of water cooler (stop valve 63 closed), the water source sends water to atomizing unit 4 through water cooler 5. When the ambient temperature is higher, and when there is the cold water source, make water cooler 5 normal work (stop valve 63 opens) cool off lubricating oil of one of them way, water that water cooler 5's delivery port discharged is carried to atomizing unit 4 and is spouted and form water smoke, and air cooler 3, atomizing unit 4 cool off lubricating oil of another way.
In conclusion, by adopting the oil cooling system for cooling the lubricating oil of the fracturing pump, when the lubricating oil of the fracturing pump is cooled by adopting the oil cooling system, the air cooler can cool the lubricating oil of the fracturing pump; when the ambient temperature rises too high, make atomizing unit near the air intake blowout water smoke of air cooler, can increase the humidity of air in the local environment, reduce the ambient temperature near the air cooler, water smoke is inhaled the back by the air cooler, will adsorb on the fin of air cooler, under the effect of high temperature and quick air current on the fin, the water smoke that adsorbs on the fin will evaporate the heat absorption, take away a large amount of heats and discharge from the air outlet of air cooler, thereby the effectual temperature that reduces the fin, when ambient temperature is higher, still can effectively cool off lubricating oil, ensure fracturing pump normal operating, improve fracturing pump's life. When the design of combining the water chiller, can cool off lubricating oil after the water chiller inserts the cold water source, can suitably reduce the load of air chiller this moment, reduce noise pollution.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An oil cooling system for cooling lubricating oil of a fracturing pump, characterized in that: the device comprises a frame, and an oil pump unit, an air cooler and an atomization unit which are assembled on the frame; the oil pump unit is connected with the air cooler through an oil guide pipe, and the atomization unit is located near an air inlet of the air cooler and used for spraying water mist.
2. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 1, wherein: the atomizing unit comprises a water pipeline and a plurality of atomizing nozzles arranged in the length direction of the water pipeline.
3. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 1, wherein: the oil pump unit comprises an oil pump and a filter, and a safety valve is connected between the oil pump and the filter.
4. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 3, wherein: the filter is connected with the air cooler through an oil guide pipe, so that the oil pump unit is connected with the air cooler through the oil guide pipe.
5. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 3, wherein: the oil pump, the safety valve and the filter are connected in a flange connection mode.
6. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 3, wherein: the motor of the oil pump is a variable frequency motor, and the filter is a fine filter.
7. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 3, wherein: the oil pump unit further comprises an oil pressure sensor for detecting the oil pressure in the oil guide pipe, and the oil pressure sensor is electrically connected with a motor of the oil pump.
8. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 1, wherein: the water cooler is assembled on the rack and is connected with the air cooler in series through an oil guide pipe; or the water cooler and the air cooler are connected in parallel through an oil guide pipe.
9. An oil cooling system for cooling the lubricating oil of a fracturing pump as set forth in claim 1, wherein: the water cooler is assembled on the rack, the water cooler and the air cooler are connected in parallel through an oil guide pipe, and an oil inlet of the water cooler is connected with a stop valve in series.
10. An oil cooling system for cooling lubricating oil of a fracturing pump as set forth in claim 8 or 9, wherein: and the water outlet of the water cooler is connected with the water inlet of the atomization unit through a water guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272810.XU CN213016764U (en) | 2020-07-02 | 2020-07-02 | Oil cooling system for cooling lubricating oil of fracturing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272810.XU CN213016764U (en) | 2020-07-02 | 2020-07-02 | Oil cooling system for cooling lubricating oil of fracturing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213016764U true CN213016764U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021272810.XU Active CN213016764U (en) | 2020-07-02 | 2020-07-02 | Oil cooling system for cooling lubricating oil of fracturing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213016764U (en) |
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2020
- 2020-07-02 CN CN202021272810.XU patent/CN213016764U/en active Active
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