Lubricating oil tank

Abstract

The utility model belongs to the technical field of lubricating equipment, and particularly provides a lubricating oil tank, which comprises an oil tank body, an oil return port, an oil storage space and an oil outlet, the oil storage space is divided into a plurality of cavities by the partition plates, and a spiral flow channel is formed in the oil storage space; the oil return opening is formed in the first cavity, and the oil outlet is formed in the last cavity. The utility model aims to solve the problem that the overall space utilization rate of a compressor unit is low due to the fact that an existing lubricating oil tank is of a double-layer structure. According to the single-layer lubricating oil tank, the space utilization rate of a compressor unit is effectively improved; meanwhile, the multiple partition plates are additionally arranged, so that the lubricating oil tank adsorbs scrap iron in return oil of the unit to the maximum extent and fully releases bubbles, the risk that the oil pump sucks large-particle impurities such as the scrap iron and cavitation is generated is effectively avoided, the cleanliness of oil liquid is effectively improved, and the lubricating oil tank is simple in structure and easy to implement.

Description

Technical Field

[0001] The utility model belongs to the technical field of lubrication equipment and specifically provides a lubrication oil tank. Background Art

[0002] The lubricating oil tank is a device used for the supply, recovery, sedimentation and storage of lubricating oil. Usually, the lubricating oil tank in the compressor unit is set as a double-layer structure, that is, the upper layer is used to connect with the compressor and the driver, and the lower layer is used to connect with the oil pump.

[0003] However, the double-layer structure of the existing lubricating oil tank easily makes the installation structure of the entire compressor unit fixed, so that the compressor unit as a whole occupies more equipment storage space; at the same time, it is also easy to cause iron filings in the lubricating oil tank to block the lubricating oil tank channel during the oil return process, resulting in low oil cleanliness and failure to meet the oil quality standards required when the compressor unit is running. Therefore, a lubricating oil tank is needed to improve the space utilization of the entire compressor unit while improving the cleanliness of the oil. Utility Model Content

[0004] One object of the utility model is to provide a single-layer lubricating oil tank to improve the overall space utilization of the lubricating oil group and improve the cleanliness of the oil.

[0005] Another object of the utility model is to provide a lubricating oil tank in which the heater can be detachably installed so as to facilitate the inspection / replacement of the heater.

[0006] In order to achieve the above object, the utility model provides a lubricating oil tank, comprising:

[0007] The oil tank body includes an oil return port, an oil storage space and an oil outlet;

[0008] A plurality of partition plates divide the oil storage space into a plurality of chambers and form a spiral flow channel in the oil storage space; the oil return port is arranged in the first chamber, and the oil outlet is arranged in the last chamber.

[0009] Furthermore, the partition plates are configured in two, and the two partition plates divide the oil storage space into a unit oil return chamber, a slow-release defoaming chamber and an oil pump oil suction chamber; the oil return port is arranged in the unit oil return chamber, and the oil outlet is arranged in the oil pump oil suction chamber.

[0010] Furthermore, a plurality of the partition plates are arranged in parallel and staggered in the oil storage space to form a spiral flow channel extending from one side of the oil return port to one side of the oil outlet port.

[0011] Furthermore, a plurality of the partition plates are distributed in parallel in the oil storage space, each of the partition plates is provided with a notch, and the notches on two adjacent partition plates are arranged diagonally to form the spiral flow channel in the oil storage space.

[0012] Furthermore, the oil return port includes a lubricating oil return port and an idling oil tank return port; the lubricating oil return port, the idling oil tank return port, a buffering debubbling magnetic iron removal device and a drain port are provided in the unit's oil return cavity; the lubricating oil return port and the idling oil tank return port are connected to the inlet of the buffering debubbling magnetic iron removal device, and the outlet of the buffering debubbling magnetic iron removal device is connected to the unit's oil return cavity; the drain port is located at the bottom of the unit's oil return cavity.

[0013] Furthermore, an oil mist separator interface and an oil filling port are also provided in the oil return chamber of the unit, and the oil mist separator and the oil filling port are both arranged in the first oil return chamber of the unit; the oil return chamber of the unit is also provided with an on-site liquid level meter interface, a remote liquid level transmitter interface, an inspection manhole and a manhole cover for covering the inspection manhole; and / or, the oil pump suction chamber is provided with a nitrogen purge flange port, a safety valve interface and a mobile oil filter interface.

[0014] Further, the oil tank body is configured to be formed by a bottom plate, a top cover plate and four side plates fixedly connected; and / or, the oil filling port, the lubricating oil return port, the idle oil tank return port, the oil mist separator interface, the local liquid level gauge interface, the remote liquid level transmitter interface, the inspection manhole and the safety valve interface are all arranged on the top cover plate; the drain port is arranged on one of the side plates of the unit oil return chamber; the nitrogen purge flange port, the mobile oil filter interface and the oil outlet are all arranged on the side plate of the oil pump suction chamber.

[0015] Furthermore, the bottom plate, the four side plates and the partition plate are fixedly connected together by welding technology; and the top cover plate and the four side plates are fixedly connected together by fasteners.

[0016] Further, the partition plate is detachably connected to the top cover plate; or, the partition plate and the top cover plate are fixedly connected together by fasteners.

[0017] Furthermore, a first clamping structure is provided on the partition plate, and a groove is provided on the inner side of the top cover plate. The first clamping structure can be clamped into the groove to fix the partition plate and the top cover plate together.

[0018] Furthermore, the lubricating oil tank also includes a heater, and the heater is disposed in both the unit oil return chamber and the slow-release defoaming chamber.

[0019] Further, the heater is configured as an "L"-shaped heater, a horizontal section of the "L"-shaped heater is connected to the bottom plate, and a vertical section of the "L"-shaped heater is connected to the top cover plate.

[0020] Furthermore, the "L"-shaped heater is detachably connected to the lubricating oil tank.

[0021] Furthermore, the lubricating oil tank also includes a flange stud group, which includes a flange and a stud, and the flange is fixedly connected to the end of the vertical section of the "L"-shaped heater and the top cover plate; the two ends of the stud are respectively tightened to the end of the vertical section of the "L"-shaped heater and the flange on the top cover plate to fix the "L"-shaped heater to the top cover plate.

[0022] Furthermore, the lubricating oil tank also includes a sealing gasket, which is arranged at the connection between the flange and the stud; and / or the sealing gasket is configured to be made of polytetrafluoroethylene.

[0023] Based on the foregoing description, those skilled in the art can understand that in the aforementioned technical solution of the utility model, multiple partitions are added in the lubricating oil tank, and the multiple partitions divide the oil storage space into multiple chambers and form a spiral flow channel in the oil storage space; at the same time, the oil filling port is set in the first chamber, and the oil outlet is set in the last chamber, so that the oil in the lubricating oil tank can pass through the spiral flow channels in the multiple chambers, so as to eliminate the bubbles in the fluid during the flow of the oil in each chamber, and discharge it from the oil outlet for use by the oil pump. The utility model provides a single-layer lubricating oil tank, which effectively improves the overall space utilization of the compressor unit. At the same time, multiple partitions are added to enable the lubricating oil tank to absorb iron filings in the return oil of the unit to the greatest extent and fully release bubbles, effectively avoiding the oil pump from sucking in large particles of impurities such as iron filings and the risk of cavitation, and effectively improving the cleanliness of the oil. It has a simple structure and is relatively easy to implement.

[0024] Furthermore, the heater is detachably connected to the lubricating oil tank, which makes it convenient for operators to replace the heater. The top cover is detachably connected to the lubricating oil tank, which makes it convenient for operators to inspect and repair the lubricating oil tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solution of the utility model, some embodiments of the utility model will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that the same figure number indicates the same or similar parts or components in different drawings; the drawings of the utility model are not necessarily drawn to scale. In the drawings:

[0026] Figure 1is a schematic diagram of the structure of the lubricating oil tank in some embodiments of the utility model;

[0027] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle partition.

[0028] Description of reference numerals:

[0029] 100. Lubricating oil tank;

[0030] 1. Fuel tank body;

[0031] 11. Top cover; 111. Lubricating oil return port; 112. Idling oil tank return port; 113. Oil filling port; 114. Safety valve interface; 115. Oil mist separator interface; 117. Local level meter interface; 118. Remote level transmitter interface; 119. Maintenance manhole;

[0032] 12. Side panel; 121. Oil outlet; 122. Mobile oil filter interface; 123. Nitrogen purge flange;

[0033] 13. Bottom plate; 131. Sewage outlet;

[0034] 2. Partition plate; 21. Notch; 22. First clamping structure; 3. Buffering and defoaming magnetic iron removal device. DETAILED DESCRIPTION

[0035] It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments of the present invention, and the embodiments are intended to explain the technical principles of the present invention, rather than to limit the protection scope of the present invention. Based on the embodiments provided by the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should still fall within the protection scope of the present invention.

[0036] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0038] Refer to the following Figure 1 and Figure 2 The lubricating oil tank in some embodiments of the utility model is described in detail. Figure 1 It is a schematic diagram of the structure of the lubricating oil tank in some embodiments of the utility model; Figure 2 yes Figure 1 Schematic diagram of the structure of the middle partition.

[0039] It should be noted that, for the convenience of description and to enable those skilled in the art to quickly understand the technical solution of the present invention, the following text only describes the technical features that are strongly related (directly or indirectly related) to the technical problem and / or technical concept to be solved by the present invention, and does not describe the technical features that are weakly related to the technical problem and / or technical concept to be solved by the present invention. Since the technical features with a weaker degree of correlation belong to the common knowledge in the field, even if the present invention does not describe the features with a weaker degree of correlation, it will not lead to insufficient disclosure of the present invention.

[0040] like Figure 1 As shown, in some embodiments of the present invention, a lubricating oil tank 100 is provided, comprising an oil tank body 1 and a plurality of partition plates 2, wherein the oil tank body 1 comprises an oil return port, an oil storage space and an oil outlet 121. The plurality of partition plates 2 divide the oil storage space into a plurality of chambers and form a spiral flow channel in the oil storage space, wherein the oil return port is arranged in the first chamber and the oil outlet 121 is arranged in the last chamber.

[0041] In the utility model, the oil tank body 1 is configured as a rectangular parallelepiped as a whole.

[0042] It should be noted that the nominal volume of the oil tank body 1 of the utility model is determined by the amount of oil used by the compressor unit, so the utility model does not limit the volume of the lubricating oil tank 100. At the same time, the number of partition plates 2 of the oil tank is determined by the volume of the lubricating oil tank 100. Generally, the lubricating oil tank 100 is divided into three chambers, namely the unit oil return chamber, the slow-release defoaming chamber and the oil pump suction chamber. Of course, those skilled in the art can also divide the lubricating oil tank 100 into multiple chambers as needed, so as to filter iron filings in the fluid in the lubricating oil tank 100, heat / cool the oil and defoam the oil. Furthermore, the volume of each chamber can be set according to actual needs, and the volume of each chamber is not further limited in the utility model.

[0043] In some embodiments of the present invention, the number of the partition plates 2 can be set to two, three, four or five, etc., so as to fully cool / defoam the oil in the lubricating oil tank 100.

[0044] In some more specific embodiments of the present invention, two partition plates 2 are configured, and the two partition plates 2 divide the oil storage space into the unit oil return chamber, the slow-release defoaming chamber and the oil pump suction chamber. The oil return port is set in the unit oil return chamber, and the oil outlet 121 is set in the oil pump suction chamber.

[0045] In some examples of this embodiment, a plurality of partition plates 2 are arranged in parallel and staggered in the oil storage space to form a spiral flow channel extending from the oil return port to the oil outlet 121 .

[0046] like Figure 2 As shown, in other examples of the present embodiment, a plurality of partition plates 2 are distributed in parallel in the oil storage space, each partition plate 2 is provided with a notch 21, and the notches 21 on two adjacent partition plates 2 are arranged diagonally to form a spiral flow channel in the oil storage space, so that the fluid in the oil storage space can flow along the spiral flow channel without dead angles, thereby increasing the flow area of ​​the oil and completely eliminating bubbles in the oil.

[0047] In this embodiment, the oil return port includes a lubricating oil return port 111 and an idling oil tank return port 112. The lubricating oil return port 111, the idling oil tank return port 112, the buffering defoaming magnetic iron removal device 3 and the drain port 131 are arranged in the unit oil return chamber. The lubricating oil return port 111 and the idling oil tank return port 112 are connected to the inlet of the buffering defoaming magnetic iron removal device 3, and the outlet of the buffering defoaming magnetic iron removal device 3 is connected to the unit oil return chamber. The drain port 131 is located at the bottom of the unit oil return chamber. Among them, the buffering defoaming magnetic iron removal device 3 in the utility model adopts a device with patent number CN214275304U, and the patent name is a device of a lubricating oil system return oil buffering defoaming magnetic iron removal device 3, so the features of the buffering defoaming magnetic iron removal device 3 in the utility model are not repeated.

[0048] The oil return chamber of the unit is also provided with an oil mist separator interface 115 and an oil filling port 113. The oil mist separator and the oil filling port 113 are both provided in the oil return chamber of the unit, and the oil mist separator interface 115 is provided on a side close to the oil filling port 113. The oil return chamber of the unit is also provided with an on-site liquid level meter interface 117, a remote liquid level transmitter interface 118, an inspection manhole 119 and a manhole cover for covering the inspection manhole 119.

[0049] The oil pump suction chamber is provided with a nitrogen purge flange port 123, a safety valve interface 114 and a mobile oil filter interface 122.

[0050] In some further embodiments of the present invention, the fuel tank body 1 can be integrally formed by injection molding.

[0051] In some other embodiments of the present invention, the oil tank body 1 is configured to be formed by a bottom plate 13 , a top cover plate 11 and four side plates 12 that are fixedly connected.

[0052] Specifically, the oil filling port 113, the lubricating oil return port 111, the idle oil tank return port 112, the oil mist separator interface 115, the local level meter interface 117, the remote level transmitter interface 118, the inspection manhole 119, and the safety valve interface 114 are all arranged on the top cover plate 11. The sewage outlet 131 is arranged on a side plate 12 of the unit oil return chamber; the nitrogen purge flange port 123, the mobile oil filter interface 122 and the oil outlet 121 are all arranged on the side plate 12 of the oil pump suction chamber. Specifically, the mobile oil filter interface 122 and the oil outlet 121 are arranged on the same side plate 12, and the nitrogen purge flange port 123 and the mobile oil filter interface 122 are respectively arranged on two different side plates 12 of the oil pump suction chamber.

[0053] The bottom plate 13, the four side plates 12 and the partition plate 2 are fixedly connected together by welding technology. The top cover plate 11 and the four side plates 12 are fixedly connected together by fasteners.

[0054] In other embodiments of the present invention, the partition plate 2 is detachably connected to the top cover plate 11. Specifically, a first clamping structure 22 is provided on the partition plate 2, and a groove is provided on the inner side of the top cover plate 11. The first clamping structure 22 can be clamped into the groove to fix the partition plate 2 and the top cover plate 11 together.

[0055] In other embodiments of the present invention, the partition plate 2 and the top cover plate 11 are fixedly connected together by fasteners. The fasteners can be set as screws or bolts.

[0056] In other embodiments of the present invention, the lubricating oil tank 100 further includes a heater, and heaters are provided in both the oil return chamber and the slow-release defoaming chamber of the unit.

[0057] The heater is configured as an "L"-shaped heater, the horizontal section of the "L"-shaped heater is connected to the bottom plate 13, and the vertical section of the "L"-shaped heater is connected to the top cover plate 11. The horizontal section of the "L"-shaped heater is an effective heating area, wherein the horizontal section can be completely immersed below the lowest liquid level line of the lubricating oil tank 100, meeting the relevant requirements of the API614 standard, and the heating length can be calculated according to the thermal power required by the compressor unit, and then the length of the heating area can be configured.

[0058] In other embodiments of the utility model, the operator can select a flange with a smaller diameter so that the flange diameter can accommodate a heating pipe to heat the oil in the lubricating oil tank 100. Alternatively, the operator can select a flange with a larger diameter so that the flange interface can accommodate multiple heating pipes, thereby meeting the heating power requirements under various extreme working conditions, and also facilitating the removal / installation of multiple heating pipes from the flange.

[0059] The "L"-shaped heater is detachably connected to the lubricating oil tank 100 so as to replace or overhaul the "L"-shaped heater. Specifically, the "L"-shaped heater is fixedly connected to the lubricating oil tank 100 through a flange stud set. More specifically, the flange stud set includes a flange and a stud, and the end of the vertical section of the "L"-shaped heater and the top cover plate 11 are both fixedly connected with a flange. The two ends of the stud are respectively tightened with the end of the vertical section of the "L"-shaped heater and the flange on the top cover plate 11 to fix the "L"-shaped heater to the top cover plate 11.

[0060] In other embodiments of the present invention, the lubricating oil tank 100 further includes a sealing gasket, which is arranged at the connection between the flange and the stud, wherein the sealing gasket is made of polytetrafluoroethylene.

[0061] Those skilled in the art can understand that the utility model adds multiple partition plates 2 in the lubricating oil tank 100, and the multiple partition plates 2 divide the oil storage space into multiple chambers and form a spiral flow channel in the oil storage space; at the same time, the oil filling port 113 is set in the first chamber, and the oil outlet 121 is set in the last chamber, so that the oil in the lubricating oil tank 100 can pass through the spiral flow channels in the multiple chambers, so that the bubbles in the fluid are eliminated during the flow of the oil in each chamber, and the oil is discharged from the oil outlet 121 for use by the oil pump. The utility model provides a single-layer lubricating oil tank 100, which effectively improves the overall space utilization of the compressor unit. At the same time, the addition of multiple partition plates 2 allows the lubricating oil tank 100 to absorb iron filings in the return oil of the unit to the greatest extent and fully release bubbles, effectively avoiding the risk of the oil pump sucking in large particles of impurities such as iron filings and generating cavitation, and effectively improving the cleanliness of the oil. It has a simple structure and is relatively easy to implement.

[0062] Furthermore, by detachably connecting the heater to the lubricating oil tank 100 , it is convenient for operators to replace the heater. By detachably connecting the top cover to the lubricating oil tank 100 , it is convenient for operators to inspect and repair the lubricating oil tank 100 .

[0063] So far, the technical solution of the utility model has been described in combination with the above multiple embodiments, but it is easy for those skilled in the art to understand that the protection scope of the utility model is not limited to these specific embodiments. Without departing from the technical principle of the utility model, those skilled in the art can split and combine the technical solutions in the above embodiments, and can also make equivalent changes or replacements to the relevant technical features. Any changes, equivalent replacements, improvements, etc. made within the technical concept and / or technical principle of the utility model will fall within the protection scope of the utility model.

Claims

1. A lubricating oil tank, characterized in that: include: The oil tank body includes an oil return port, an oil storage space and an oil outlet; A plurality of partition plates, which divide the oil storage space into a plurality of chambers and form a spiral flow channel in the oil storage space; the oil return port is arranged in the first chamber, and the oil outlet is arranged in the last chamber The partition plates are configured in two, and the two partition plates divide the oil storage space into a unit oil return chamber, a slow-release defoaming chamber, and an oil pump oil suction chamber; The oil return port is arranged in the oil return chamber of the unit, and the oil outlet is arranged in the oil suction chamber of the oil pump; The oil return port includes a lubricating oil return port and an idle oil tank return port; The oil return cavity of the unit is provided with the lubricating oil return port, the idling oil tank return port, a buffering and defoaming magnetic iron removal device and a sewage outlet; The lubricating oil return port and the idling oil tank return port are connected to the inlet of the buffering debubbling magnetic iron removal device, and the outlet of the buffering debubbling magnetic iron removal device is connected to the oil return chamber of the unit; The sewage outlet is located at the bottom of the oil return chamber of the unit.

2. The lubricating oil tank according to claim 1, characterized in that: The plurality of partition plates are arranged in parallel and staggered in the oil storage space to form a spiral flow channel extending from one side of the oil return port to one side of the oil outlet port.

3. The lubricating oil tank according to claim 1, characterized in that: A plurality of partition plates are distributed in parallel in the oil storage space, each of the partition plates is provided with a notch, and the notches on two adjacent partition plates are arranged diagonally to form the spiral flow channel in the oil storage space.

4. The lubricating oil tank according to claim 1, characterized in that: The oil return chamber of the unit is also provided with an oil mist separator interface and an oil filling port, and the oil mist separator and the oil filling port are both provided in the first oil return chamber of the unit; The unit oil return chamber is also provided with an on-site liquid level meter interface, a remote liquid level transmitter interface, a maintenance manhole and a manhole cover for covering the maintenance manhole; and / or, The oil pump suction chamber is provided with a nitrogen purge flange port, a safety valve interface and a mobile oil filter interface.

5. The lubricating oil tank according to claim 4, characterized in that: The fuel tank body is configured to be formed by a bottom plate, a top cover plate and four side plates fixedly connected; and / or, The oil filling port, the lubricating oil return port, the idle oil tank return port, the oil mist separator interface, the local liquid level meter interface, the remote liquid level transmitter interface, the inspection manhole and the safety valve interface are all arranged on the top cover plate; The sewage outlet is arranged on one of the side plates of the oil return chamber of the unit; the nitrogen purge flange port, the mobile oil filter interface and the oil outlet are all arranged on the side plate of the oil pump suction chamber.

6. The lubricating oil tank according to claim 5, characterized in that: The bottom plate, the four side plates and the partition plate are fixedly connected together by welding technology; The top cover plate and the four side plates are fixedly connected together by fasteners.

7. The lubricating oil tank according to claim 6, characterized in that: The partition plate is detachably connected to the top cover plate; or, The partition plate and the top cover plate are fixedly connected together by fasteners.

8. The lubricating oil tank according to claim 7, characterized in that: The partition plate is provided with a first clamping structure, and the inner side of the top cover plate has a groove, and the first clamping structure can be clamped into the groove to fix the partition plate and the top cover plate together.

9. The lubricating oil tank according to claim 5, characterized in that: The lubricating oil tank also includes a heater, and the heater is arranged in both the unit oil return cavity and the slow-release defoaming cavity.

10. The lubricating oil tank according to claim 9, characterized in that: The heater is configured as an "L"-shaped heater, a horizontal section of the "L"-shaped heater is connected to the bottom plate, and a vertical section of the "L"-shaped heater is connected to the top cover plate.

11. The lubricating oil tank according to claim 10, characterized in that: The "L"-shaped heater is detachably connected to the lubricating oil tank.

12. The lubricating oil tank according to claim 11, characterized in that: The lubricating oil tank also includes a flange stud set, The flange stud group includes a flange and studs, and the flange is fixedly connected to the end of the vertical section of the "L"-shaped heater and the top cover plate; The two ends of the stud are respectively tightened with the end of the vertical section of the "L"-shaped heater and the flange on the top cover plate to fix the "L"-shaped heater and the top cover plate together.

13. The lubricating oil tank according to claim 12, characterized in that: The lubricating oil tank further comprises a sealing gasket, which is arranged at the connection between the flange and the stud; and / or, The sealing gasket is made of polytetrafluoroethylene.

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