Oil mist trapping device and transparent oil smoothing system
By designing an oil mist collection device, including a shroud, a bell mouth, and a baffle plate assembly, the problem of low oil mist collection efficiency in transparent oil tanks was solved, achieving efficient oil mist collection and stable equipment operation, and achieving the effect of carbon reduction and emission reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing transparent oil tanks use oil mist separators to capture oil mist, which is inefficient and ineffective.
An oil mist collection device was designed, including a shroud, a bell mouth, a baffle plate assembly, and an oil collection tank. The device is connected to the exhaust pipe of the lubricating oil tank by setting a cylinder body. The baffle plate assembly is arranged with upper and lower baffle plates at intervals. Combined with the bell mouth and the oil collection tank, the baffle plate combination is optimized to reduce fluid resistance and ensure oil mist collection efficiency.
It achieves efficient oil mist collection, reduces fluid resistance during equipment operation, ensures stable equipment operation, reduces lubricating oil consumption and environmental pollution, and achieves the goal of carbon reduction and emission reduction.
Smart Images
Figure CN224040332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil mist trapping and processing technical field, especially a kind of oil mist trapping device and turbine oil smoothing system. BACKGROUND
[0002] Oil mist trap is generally applied in mechanical manufacturing, petrochemical industry and other industries, and is mainly applied in the oil breathing, air-breathing system such as turbine, diesel engine and other mechanical equipment of offshore oil platform.
[0003] The existing turbine oil tank traps oil mist through oil mist separator, and has the problems of low efficiency and poor effect.
[0004] Therefore, an oil mist trapping device and turbine oil smoothing system are needed to solve the above technical problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an oil mist trapping device and turbine oil smoothing system to solve the technical problems of low efficiency and poor effect of the existing turbine oil tank trapping oil mist through oil mist separator. The preferred technical solutions in the many technical solutions provided by the utility model can produce many technical effects, which are described below.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.
[0007] The utility model provides an oil mist trapping device, which comprises a fan cover, a horn mouth, a baffle group and an oil collecting barrel.
[0008] The fan cover comprises a cylinder and an oil collecting groove, one side of the cylinder is connected with the exhaust pipe of the oil tank, the other side of the cylinder is connected with the horn mouth, and the oil collecting groove is arranged at the bottom of the cylinder.
[0009] The baffle group is arranged in the cylinder, and comprises a plurality of upper baffles and a plurality of lower baffles.
[0010] The oil collecting barrel is connected with the oil collecting groove.
[0011] Preferably, the baffle group further comprises a support rod and a spacing sleeve arranged on the support rod, the upper baffles and the lower baffles are connected with the support rod, and are arranged at intervals by the spacing sleeve.
[0012] Preferably, the upper baffles and the lower baffles are arranged as circular plate structures with cut surfaces at the top, and the circular plate structures are provided with cut holes at the bottom.
[0013] Preferably, the upper baffle and the lower baffle are both provided with a baffle body, a grid plate, and a fire-resistant oil absorption felt, wherein:
[0014] The fire-resistant oil absorption felt is arranged between the baffle body and the grid plate.
[0015] The grid plate is located close to one side of the air cover.
[0016] Preferably, the trumpet mouth comprises a diffuser section, an elbow, and a protective screen, wherein:
[0017] The side with a larger cross section of the diffuser section is connected with the cylinder body, and the baffle group is connected to the diffuser section; the side with a smaller cross section of the diffuser section is provided with the elbow, and the end of the elbow is provided with the protective screen.
[0018] Preferably, the diffuser section and the cylinder body are connected through a plurality of first bolts, the plurality of first bolts are uniformly arranged along the circumference of the diffuser section, and the plurality of first bolts form a first bolt group.
[0019] The diffuser section and the baffle group are connected through a second bolt, and the second bolt is located inside the first bolt group.
[0020] Preferably, the oil collecting bucket comprises a support, a bucket body, and a bucket cover, wherein:
[0021] The bucket body is arranged on the support, the bucket cover is arranged on the top of the bucket body, and an interface for connecting with the oil collecting groove is arranged on the bucket cover.
[0022] Preferably, a discharge pipeline is arranged at the bottom of the bucket body, the center of the discharge pipeline is at least 200 mm away from the ground, and a valve is arranged on the discharge pipeline.
[0023] Preferably, a differential pressure table is further included, and the differential pressure table is arranged between the connecting pipe of the trumpet mouth and the air cover.
[0024] A turbine oil smoothing system comprises the oil mist collecting device described above, and the oil mist collecting device is arranged at the end of the air vent.
[0025] The utility model provides an oil mist trapping device and turbine oil smoothing system, oil mist trapping device, including fan cover, loudspeaker mouth, baffle group and oil collecting bucket, through setting one side of cylinder is used for with oil tank exhaust pipe connection, the other side of cylinder connects loudspeaker mouth, and sets up baffle group in the cylinder, baffle group includes a plurality of upper baffle and a plurality of lower baffles, upper baffle and lower baffle interval arrangement, can guarantee oil mist trapping efficiency while reducing oil mist fluid resistance in pipeline as far as possible, do not reduce the negative pressure value of oil tank when equipment operation. When using, oil mist trapping device sets up in the end of air hole, ensures that the oil system of equipment runs stably, and oil return is normal, can realize the efficient collection of unit oil mist, the goal of carbon reduction and emission reduction. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.
[0027] Figure 1 It is the structural schematic diagram of an embodiment of the oil mist trapping device of the utility model;
[0028] Figure 2 It is Figure 1 The structural schematic diagram after splitting;
[0029] Figure 3 It is the structural schematic diagram of the oil collecting bucket in the oil mist trapping device of the utility model;
[0030] Figure 4 It is the structural schematic diagram of the grid plate in the oil mist trapping device of the utility model;
[0031] Figure 5 It is the structural schematic diagram of the baffle main body in the oil mist trapping device of the utility model;
[0032] Figure 6 It is the structural schematic diagram of the loudspeaker mouth in the oil mist trapping device of the utility model.
[0033] In the drawing: 1, fan cover;11, cylinder;12, oil collecting groove;
[0034] 2, loudspeaker mouth;21, pressure recovery section;22, elbow;23, protective net;
[0035] 3, baffle group;31, upper baffle;32, lower baffle;33, support rod piece;34, interval sleeve;301, cutting surface;302, cutting hole;311, baffle main body;312, grid plate;313, fireproof oil absorption felt;
[0036] 4. Oil collection tank; 41. Support frame; 42. Tank body; 43. Tank lid; 44. Discharge pipe; 45. Valve;
[0037] 5. Oil tank exhaust pipe;
[0038] 6. Differential pressure gauge;
[0039] 10. First bolt; 20. Second bolt. Detailed Implementation
[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0041] like Figures 1-3 As shown, this utility model provides an oil mist collection device, including a hood 1, a horn mouth 2, a baffle plate group 3, and an oil collection tank 4.
[0042] The wind shield 1 includes a cylindrical body 11 and an oil collection tank 12. One side of the cylindrical body 11 is connected to the oil tank exhaust pipe 5, and the other side of the cylindrical body 11 is connected to the flared end 2. The oil collection tank 12 is located at the bottom of the cylindrical body 11. A baffle assembly 3 is disposed inside the cylindrical body 11. The baffle assembly 3 includes multiple upper baffles 31 and multiple lower baffles 32, which are arranged at intervals. In this embodiment, the baffle assembly 3 is configured to include two upper baffles 31 and three lower baffles 32.
[0043] In this embodiment, the oil collecting tank 4 is connected to the oil collecting trough 12, specifically, as follows: Figure 3 As shown, the oil collection tank 4 includes a support 41, a tank body 42, and a tank cover 43. The tank body 42 is mounted on the support 41, and the tank cover 43 is placed on top of the tank body 42. The tank cover 43 is provided with an interface for connecting to the oil collection tank 12. The interface is connected to the oil collection tank 12 through a 1 / 2” instrument tube.
[0044] Optionally, a discharge pipe 44 is provided at the bottom of the barrel 42. In this embodiment, the discharge pipe 44 is a bend, and the center of the discharge pipe 44 is at least 200mm from the ground. A valve 45 is provided on the discharge pipe 44.
[0045] The oil mist trapping device comprises a fan cover 1, a bell mouth 2, a baffle plate group 3 and an oil collecting barrel 4. One side of a cylinder 11 is connected with an oil tank exhaust pipe 5, the other side of the cylinder 11 is connected with the bell mouth 2, and the baffle plate group 3 is arranged in the cylinder 11. The baffle plate group 3 comprises a plurality of upper baffle plates 31 and a plurality of lower baffle plates 32. The upper baffle plates 31 and the lower baffle plates 32 are arranged at intervals, so as to ensure the oil mist trapping efficiency, reduce the fluid resistance of the oil mist in the pipeline as much as possible, and not reduce the negative pressure value of the oil tank during the operation of the equipment. In use, the oil mist trapping device is arranged at the end of the air vent, so as to ensure the stable operation of the oil system of the equipment and the normal oil return, and to realize the efficient collection of the oil mist of the unit and the target of carbon reduction and emission reduction.
[0046] As an optional embodiment, the baffle plate group 3 further comprises a support rod 33 and a spacing sleeve 34 sleeved on the support rod 33. The upper baffle plates 31 and the lower baffle plates 32 are connected with the support rod 33 and arranged at intervals through the spacing sleeve 34.
[0047] Specifically, in the embodiment, the two upper baffle plates 31 and the three lower baffle plates 32 are five baffle plates, which are fixed through four M10*400mm screw rods and the spacing sleeve 34.
[0048] As shown in Figure 2 , as shown in Figure 4 and Figure 5 , the upper baffle plates 31 and the lower baffle plates 32 are arranged as circular plate structures with cut surfaces 301 at the top. The bottom of the circular plate structure is provided with a cut hole 302. In this way, the baffle plate group 3 has the characteristics of relatively high heat transfer efficiency and low pressure drop. After the fluid directly flows into the baffle plate group 3 through the small holes, the existence of the flow dead zone behind the plate is reduced.
[0049] The upper baffle plates 31 and the lower baffle plates 32 are arranged as baffle plate bodies 311, grid plates 312 and fireproof oil absorption felt 313. The fireproof oil absorption felt 313 is arranged between the baffle plate body 311 and the grid plate 312. The grid plate 312 is located on the side close to the fan cover 1.
[0050] The oil mist trapping device optimizes the combination form of the baffle plate group, so as to reduce the flow resistance of the oil mist as much as possible under the condition of ensuring the flow. Before the oil mist trapping device is installed, the operating pressure value of the oil tank is-0.33Kpa, the high alarm value is-1.4Kpa, and the high-high shutdown value is-1.1Kpa. The flow resistance of the device is 0.2Kpa after the simulation test. After installation, the operating conditions of the unit are met.
[0051] As an optional implementation, the trumpet mouth 2 comprises a diffuser section 21, an elbow 22 and a protective screen 23.
[0052] As shown in the drawings, Figure 6 In this embodiment, the diffuser section 21 is connected with the cylinder body 11 through a plurality of first bolts 10, the plurality of first bolts 10 are uniformly arranged along the circumference of the diffuser section 21, and the plurality of first bolts 10 form a first bolt group; the diffuser section 21 is connected with the baffle group 3 through a second bolt 20, and the second bolt 20 is located inside the first bolt group.
[0053] Specifically, the diffuser section 21 is connected with the baffle group 3 through four M10 bolts, and the diffuser section 21 is connected with the cylinder body 11 through 16 M12 bolts.
[0054] The oil mist trapping device is simple in assembly because each component is connected through flange bolts. During later cleaning and maintenance, only the trumpet mouth 2 needs to be disassembled, and the baffle group 3 needs to be axially disassembled, and one person can complete the work in one hour because the baffle group 3 is small in weight and convenient to clean.
[0055] As an optional implementation, a differential pressure gauge 6 is further included, and the differential pressure gauge 6 is arranged between the connecting pipe of the trumpet mouth 2 and the fan cover 1.
[0056] The embodiment further provides a turbine oil smoothing system, which comprises the oil mist trapping device, and the oil mist trapping device can achieve the goals of secondary trapping, recycling and carbon reduction and emission reduction by being additionally provided with the oil mist trap at the end of the air vent.
[0057] The turbine oil smoothing system has better oil mist trapping effect by adopting the oil mist trapping device, and for example, for two 25MW turbine generator sets, about 50L of oil mist can be trapped per year, the nasal and oral inhalation of the operating personnel can be effectively reduced, the goals of carbon reduction and emission reduction are achieved, and atmospheric environmental pollution is avoided. The turbine oil consumption cost can be saved by about 5000 yuan per year, the indirect cost of environmental protection treatment is about 5000 yuan per year, and the personnel health is effectively ensured.
[0058] The above merely describes specific implementation manners of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. An oil mist capturing device, characterized by comprising: The oil mist collecting device comprises a wind cover, a horn mouth, a baffle group and an oil collecting bucket, wherein: The wind cover comprises a cylinder and an oil collecting groove, one side of the cylinder is connected with an exhaust pipe of an oil tank, the other side of the cylinder is connected with the horn mouth, and the oil collecting groove is arranged at the bottom of the cylinder; The baffle group is arranged in the cylinder, and the baffle group comprises a plurality of upper baffles and a plurality of lower baffles, the upper baffles and the lower baffles are arranged at intervals; The oil collecting bucket is connected with the oil collecting groove.
2. An oil mist coalescer according to claim 1, characterized in that: The baffle group further comprises a support rod and a spacing sleeve arranged on the support rod, the upper baffles and the lower baffles are connected with the support rod and arranged at intervals through the spacing sleeve.
3. An oil mist coalescer according to claim 2, wherein: The upper baffles and the lower baffles are arranged in a circular plate structure with a cutting surface at the top of the cross section, and a cutting hole is arranged at the bottom of the circular plate structure.
4. An oil mist coalescer according to claim 3, wherein: The upper baffles and the lower baffles are arranged to comprise a baffle body, a grid plate and a fireproof oil absorption felt, wherein: The fireproof oil absorption felt is arranged between the baffle body and the grid plate; The grid plate is located close to one side of the wind cover.
5. An oil mist coalescer device according to any one of claims 1-4, characterized in that: The horn mouth comprises a diffuser section, an elbow and a protective net, wherein: One side of the diffuser section with a larger cross section is connected with the cylinder, and the baffle group is connected on the diffuser section; the elbow is arranged on the side of the diffuser section with a smaller cross section, and the protective net is arranged at the end of the elbow.
6. An oil mist coalescer according to claim 5, wherein: The diffuser section is connected with the cylinder through a plurality of first bolts, the first bolts are uniformly arranged along the circumference of the diffuser section, and the first bolts form a first bolt group; The diffuser section is connected with the baffle group through a second bolt, and the second bolt is located inside the first bolt group.
7. An oil mist coalescer device according to any one of claims 1-4, characterized in that: The oil collecting bucket comprises a support, a bucket body and a bucket cover, wherein: The bucket body is arranged on the support, the bucket cover is arranged on the top of the bucket body, and an interface for connecting with the oil collecting groove is arranged on the bucket cover.
8. An oil mist coalescer according to claim 7, wherein: A discharge pipeline is arranged at the bottom of the bucket body, the center of the discharge pipeline is at least 200 mm away from the ground, and a valve is arranged on the discharge pipeline.
9. An oil mist coalescer device according to any one of claims 1-4, characterized in that: A differential pressure gauge is further arranged between the connecting pipe of the horn mouth and the wind cover.
10. A turbine oil system characterized by: The oil mist collecting device comprises the oil mist collecting device according to any one of claims 1-9, and the oil mist collecting device is arranged at the end of the air breather.