Oil mist separation device of medium-speed and high-speed diesel engine

By introducing a rotating baffle and a collection box design into the oil mist separation device, liquid oil is collected by combining centrifugal force and gravity, and further cleaned by a cleaning and disassembly mechanism, the problem of low liquid oil collection efficiency is solved, and the separation and cleaning effects are improved.

CN223781504UActive Publication Date: 2026-01-09KUNMING DALU TECH CO LTD
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Patent Information

Application Number
CN202422821002.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2026-01-09
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

In existing oil mist separation devices, the collection efficiency of liquid oil by gravity settling is low, and it is easy to adhere to the interception components, affecting the separation effect.

Method used

The design incorporates a baffle and a collection box. A power mechanism drives the baffle to rotate, and combined with centrifugal force and gravity, the liquid oil in the oil mist is thrown onto the inner wall of the shell and one side of the baffle. The oil then enters the collection box for collection and is further cleaned through a cleaning and disassembly mechanism.

Benefits of technology

It improves the collection efficiency of liquid oil, reduces adhesion, enhances the separation effect, and achieves more thorough cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an oil mist separation device of a medium-speed and high-speed diesel engine, and relates to the technical field of oil mist separation devices. The oil mist separation device of the medium-high speed diesel engine comprises a shell, an air inlet pipe is fixedly connected to the middle of the shell, an air outlet pipe is fixedly installed on one side of the shell, a power mechanism is arranged on the upper portion of the shell, and a plurality of partition plates are arranged on the lower portion of the power mechanism. According to the oil mist separation device of the medium-high speed diesel engine, the power mechanism drives the multiple partition plates to rotate, the partition plates drive oil mist to rotate around the air inlet pipe, when the partition plates move to the collecting box, liquid oil enters the collecting box under the action of gravity and centrifugal force, the liquid oil on the shell and the partition plates is removed, and the oil mist separation effect is improved. And the effect of removing the liquid oil is improved, so that the problems that the existing liquid oil is generally thick, the liquid oil sinks only through gravity, the collection efficiency is too low, the liquid oil is easily attached to an interception component, and the separation effect is influenced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an oil mist separating device, in particular to the oil mist separating device of middle -high speed diesel engine belongs to the technical field of oil mist separating device. BACKGROUND

[0002] The diesel engine is a kind of internal combustion engine, it uses diesel as fuel, in the working process of diesel engine, air is compressed to very high temperature in cylinder, oil nozzle is sprayed into high temperature air, diesel is combusted immediately, the high temperature and high pressure gas generated by combustion drives piston to move downward, is converted into mechanical energy by connecting rod and crankshaft, and then drives engine, diesel engine will produce some oil mist in the use process, if these exhaust gases are directly discharged to the outside, not only will cause environmental pollution, also will increase the oil consumption, therefore, diesel engine is generally equipped with oil mist separating device when using, so as to remove and collect oil in oil mist.

[0003] The existing oil mist collecting device is generally by inertia to make oil mist impact on baffle or filter screen and the like intercepting component, the liquid oil with relatively high density in oil mist is intercepted, then sinks to collecting device, and light air in oil mist is discharged, but since liquid oil is generally relatively viscous, only by gravity makes liquid oil sink, and the collecting efficiency is too low, is easily attached to intercepting component, thereby affecting separation effect, for this purpose, we provide the oil mist separating device of middle -high speed diesel engine to solve the above problems. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides the oil mist separating device of middle -high speed diesel engine to solve the above problems, and the specific technical scheme is:

[0005] The oil mist separating device of middle -high speed diesel engine, including the casing, the middle part of the casing is fixedly connected with the air inlet pipe, one side of the casing is fixedly installed with the air outlet pipe, the upper part of the casing is provided with the power mechanism, the lower part of the power mechanism is provided with a plurality of partition plates, the partition plate is located in the inside of the casing and the outer surface is slidably connected with the inner wall of the casing, one side surface of the partition plate is rotatably connected with the air inlet pipe, the upper end of the air inlet pipe is provided with the air outlet, the outer surface of the casing is connected with the collecting box, the upper part of the collecting box is provided with the cleaning mechanism, one side of the collecting box is provided with the dismounting mechanism, the bottom of the dismounting mechanism is provided with the oil outlet hole.

[0006] Preferably, the outer surface of the air inlet pipe is rotatably connected with the limiting ring, and the outer surface of the limiting ring is fixedly connected with the lower part of the plurality of partition plates.

[0007] Preferably, the power mechanism includes a fixed shell, the lower end of the fixed shell is fixedly connected with the casing, and the electric motor is installed in the inside of the fixed shell.

[0008] Preferably, the output end of the electric motor penetrates the top of the shell and is connected with a rotating plate, and the outer surface of the rotating plate is fixedly connected with the plurality of partitions.

[0009] Preferably, the cleaning mechanism comprises a sliding plate, the outer surface of the sliding plate is slidably connected with the collecting box and the partitions, the upper surface of the sliding plate is fixedly connected with a sliding rod, and the outer surface of the sliding rod is slidably connected with the collecting box.

[0010] Preferably, the upper end of the sliding rod is provided with a pressing plate, the outer surface of the sliding rod is sleeved with a spring, the upper end of the spring is fixedly connected with the pressing plate, and the lower end of the spring is fixedly connected with the collecting box.

[0011] Preferably, the dismounting mechanism comprises a sealing plate, the outer side of the sealing plate is connected with a fixing piece, and one side of the fixing piece is detachably connected with the collecting box.

[0012] Compared with the prior art, the oil mist separation device has the following beneficial effects:

[0013] 1. The oil mist separation device of the medium and high speed diesel engine is provided with partitions and a collecting box, a power mechanism drives the plurality of partitions to rotate, the partitions drive oil mist to rotate around the air inlet pipe, under the action of centrifugal force and inertia, liquid oil in the oil mist is thrown to the inner side wall of the shell and one side of the partitions, the liquid oil on the inner wall of the shell is concentrated on one side of the partitions under the scraping of the partitions, when the partitions move to the collecting box, under the action of gravity and centrifugal force, the liquid oil enters the inside of the collecting box to be collected, and the liquid oil on the shell and the partitions is removed, the effect of removing the liquid oil is increased, and thus the problems that the existing liquid oil is generally relatively viscous, the collection efficiency is too low by only using gravity to make the liquid oil sink, and the liquid oil is easily attached to the intercepting component to affect the separation effect are solved.

[0014] 2. The oil mist separation device of the medium and high speed diesel engine is provided with a cleaning mechanism and a dismounting mechanism, the oil outlet hole can be opened to discharge the liquid oil in the collecting box, the dismounting mechanism can be removed from the collecting box, the inside can be finely cleaned, an external force rotates the partitions, two adjacent partitions are sequentially located on the two sides of the sliding plate, the pressing plate is pressed downward, and thus the sliding plate drives the oil stains on the collecting box and the partitions to be scraped downward, the cleaning is more clean, and the effect of removing the oil stains is further achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a vertical sectional view of the shell in the utility model;

[0017] Figure 3It is the explosion structure schematic view of the baffle and the air inlet pipe in the utility model;

[0018] Figure 4 It is the sectional view of the air inlet pipe in the utility model;

[0019] Figure 5 It is the horizontal sectional view of the shell in the utility model;

[0020] Figure 6 It is the sectional view of the collection box in the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS:1, shell;2, air inlet pipe;3, air outlet pipe;4, power mechanism;401, fixed shell;402, motor;403, rotating plate;5, baffle;6, air outlet;7, collection box;8, cleaning mechanism;801, sliding plate;802, sliding rod;803, pressing plate;804, spring;9, dismounting mechanism;901, sealing plate;902, fixing part;10, oil outlet hole;11, limiting ring. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings.

[0023] Please refer to Figures 1-6 , including shell 1, the middle part of shell 1 is fixedly connected with air inlet pipe 2, one side of shell 1 is fixedly installed with air outlet pipe 3, the upper part of shell 1 is provided with power mechanism 4, the lower part of power mechanism 4 is provided with multiple baffles 5, and power mechanism 4 includes fixed shell 401, the lower end of fixed shell 401 is fixedly connected with shell 1, the inside of fixed shell 401 is installed with motor 402, the inside motor 402 is protected by fixed shell 401, to prevent motor 402 from being damaged by external impact, the top of shell 1 is penetrated and connected with rotating plate 403 at the output end of motor 402, the outer surface of rotating plate 403 is fixedly connected with multiple baffles 5, and motor 402 can drive multiple baffles 5 to rotate synchronously through rotating plate 403, and the upper part of multiple baffles 5 is limited through rotating plate 403.

[0024] Baffle 5 is located in the inside of shell 1 and is slidably connected with the inner wall of shell 1, one side surface of baffle 5 is rotatably connected with air inlet pipe 2, the outer surface of air inlet pipe 2 is rotatably connected with limiting ring 11, the outer surface of limiting ring 11 is fixedly connected with the lower part of multiple baffles 5, the lower part of multiple baffles 5 is limited by limiting ring 11, and the upper part of baffle 5 is limited by power mechanism 4, when power mechanism 4 drives baffle 5 to rotate, the stability of baffle 5 when rotating is increased by limiting the upper and lower positions.

[0025] The upper end of the air inlet pipe 2 is provided with an air outlet 6, the outer surface of the shell 1 is connected with a collecting box 7, the upper part of the collecting box 7 is provided with a cleaning mechanism 8, the cleaning mechanism 8 comprises a sliding plate 801, the outer surface of the sliding plate 801 is in sliding connection with the collecting box 7 and the partition plate 5, the upper surface of the sliding plate 801 is fixedly connected with a sliding rod 802, the outer surface of the sliding rod 802 is in sliding connection with the collecting box 7, by sliding the sliding plate 801 downward, the inner wall of the collecting box 7 and the partition plate 5 can be rubbed to scrape them to the bottom of the collecting box 7, the upper end of the sliding rod 802 is provided with a pressing plate 803, the outer surface of the sliding rod 802 is sleeved with a spring 804, the upper end of the spring 804 is fixedly connected with the pressing plate 803, the lower end of the spring 804 is fixedly connected with the collecting box 7, the spring 804 gives the pressing plate 803 an upward movement of the elastic force, in use, the spring 804 can maintain the sliding plate 801 at the upper part of the collecting box 7 to prevent affecting the rotation of the partition plate 5.

[0026] One side of the collecting box 7 is provided with a dismounting mechanism 9, the dismounting mechanism 9 comprises a sealing plate 901, the outer side of the sealing plate 901 is connected with a fixing piece 902, one side of the fixing piece 902 is detachably connected with the collecting box 7, the fixing piece 902 is fixed with the collecting box 7 through bolts, when needed, the sealing plate 901 can be dismounted from the collecting box 7.

[0027] The bottom of the dismounting mechanism 9 is provided with an oil outlet hole 10, the air inlet pipe 2 is used for air inlet, after the oil mist is purified by the components in the shell 1, it is discharged through the air outlet pipe 3, the air inlet pipe 2 and the air outlet pipe 3 are connected with external pipelines, the connection mode adopts the existing connection mode, which will not be described in detail here, the number of the partition plates 5 is twelve, a 30-degree angle is formed between every two adjacent partition plates 5, the power mechanism 4 is used to drive the partition plates 5 to rotate, so that the partition plates 5 rub with the shell 1, the air outlet 6 is arranged on the air inlet pipe 2 and faces one side of the air outlet pipe 3, the oil mist can flow out at the air outlet 6, the collecting box 7 is used for collecting liquid oil and other substances.

[0028] The motor 402 in the application is a common electrical equipment in the prior art, and the model or internal structure thereof will not be described in detail, and it can also be replaced by other power sources.

[0029] The utility model discloses a use time: oil mist flows from the upper air outlet 6 of air inlet pipe 2, enters the inside of casing 1 again, discharges through the air outlet pipe 3, in use, motor 402 drives multiple baffle 5 to rotate, and baffle 5 divides the space of casing 1 inside into multiple independent cavities, when one of the cavities is between air outlet pipe 3 and air outlet 6, oil mist flows from air outlet 6, enters the cavity, under the action of the continuous rotation of baffle 5, drives the rotation of oil mist in the cavity to the position of deviating air outlet 6, thereby encloses oil mist in the cavity, with the rotation of baffle 5, drives oil mist to rotate around air inlet pipe 2, under the action of centrifugal force and inertia, throws liquid oil in oil mist to the inside wall of casing 1 and the side of baffle 5, after oil mist rotates a circle, moves to air outlet pipe 3 again, throws the oil mist after purification to air outlet pipe 3, and the oil mist in air inlet pipe 2 is purified and enters the cavity for the first time, thereby recycling, removes liquid oil in oil mist through multiple rotating cavities, thereby realizes oil mist separation.

[0030] In use, the liquid oil on the inner wall of casing 1 is concentrated on the side of baffle 5 under the scratch of baffle 5, when baffle 5 moves to collection box 7, under the action of gravity and centrifugal force, liquid oil enters the inside of collection box 7 to be collected, and the liquid oil on casing 1 and baffle 5 is removed, thereby increasing separation effect, when maintaining, can open oil outlet 10, and the liquid oil in collection box 7 is discharged, and dismounting mechanism 9 is removed from collection box 7, and the inside can also be finely cleaned, and external force rotates baffle 5, and two adjacent baffles 5 are sequentially located on the two sides of sliding plate 801, and downward pressing plate 803 is pressed downward, thereby driving sliding plate 801 to scrape the oil dirt on collection box 7 and baffle 5 downward, so that the oil dirt is cleaned more cleanly, and the effect that oil stains are removed is achieved.

[0031] The technical principles of the utility model are described in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation here, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall into the protection scope of the claims of the utility model.

Claims

1. A high-speed diesel engine oil mist separator device, comprising a shell (1), the middle part of the shell (1) is fixedly connected with an air inlet pipe (2), and one side of the shell (1) is fixedly installed with an air outlet pipe (3), characterized in that: The upper portion of the shell (1) is provided with a power mechanism (4), the lower portion of the power mechanism (4) is provided with a plurality of partitions (5), the partitions (5) are located in the inside of the shell (1) and the outer surface is in sliding connection with the inner wall of the shell (1), one side of the partition (5) is in rotary connection with the air inlet pipe (2), the upper end of the air inlet pipe (2) is provided with an air outlet (6), the outer surface of the shell (1) is connected with a collecting box (7), the upper portion of the collecting box (7) is provided with a cleaning mechanism (8), one side of the collecting box (7) is provided with a dismounting mechanism (9), the bottom of the dismounting mechanism (9) is provided with an oil outlet hole (10).

2. The oil mist separating device for a medium-high speed diesel engine according to claim 1, characterized in that: The outer surface of the air inlet pipe (2) is in rotary connection with a limiting ring (11), the outer surface of the limiting ring (11) is fixedly connected with the lower portions of a plurality of partitions (5).

3. The oil mist separating device for a medium-high speed diesel engine according to claim 2, characterized in that: The power mechanism (4) comprises a fixed shell (401), the lower end of the fixed shell (401) is fixedly connected with the shell (1), and the inside of the fixed shell (401) is mounted with an electric motor (402).

4. The oil mist separating device for a medium-high speed diesel engine according to claim 3, characterized in that: The output end of the electric motor (402) penetrates the top of the shell (1) and is connected with a rotary plate (403), and the outer surface of the rotary plate (403) is fixedly connected with a plurality of partitions (5).

5. The oil mist separating device for a medium-high speed diesel engine according to claim 1, characterized in that: The cleaning mechanism (8) comprises a sliding plate (801), the outer surface of the sliding plate (801) is in sliding connection with the collecting box (7) and the partition (5), the upper surface of the sliding plate (801) is fixedly connected with a sliding rod (802), and the outer surface of the sliding rod (802) is in sliding connection with the collecting box (7).

6. The oil mist separating device for a medium-high speed diesel engine according to claim 5, characterized in that: The upper end of the sliding rod (802) is mounted with a pressing plate (803), the outer surface of the sliding rod (802) is sleeved with a spring (804), the upper end of the spring (804) is fixedly connected with the pressing plate (803), and the lower end of the spring (804) is fixedly connected with the collecting box (7).

7. The oil mist separating device for a medium-high speed diesel engine according to claim 6, characterized in that: The dismounting mechanism (9) comprises a sealing plate (901), the outer side of the sealing plate (901) is connected with a fixing piece (902), and one side of the fixing piece (902) is detachably connected with the collecting box (7).