CN112191037B - Oil and gas filtering device with external flange - Google Patents
Oil and gas filtering device with external flange Download PDFInfo
- Publication number
- CN112191037B CN112191037B CN202011204362.4A CN202011204362A CN112191037B CN 112191037 B CN112191037 B CN 112191037B CN 202011204362 A CN202011204362 A CN 202011204362A CN 112191037 B CN112191037 B CN 112191037B
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- China
- Prior art keywords
- fixedly connected
- flange
- filter screen
- oil
- lining
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- General Details Of Gearings (AREA)
Abstract
An oil gas filtering device with an external flange relates to the technical field of power transmission. The invention aims to solve the problem that the existing ventilation hood can discharge a small part of oil mist in the gear box by being mixed with air while exhausting and releasing pressure, thereby bringing about the risk of environmental pollution. The invention comprises an outer housing, a lining, an upper cover, a first filter screen and a second filter screen, wherein the air inlet end of the outer housing is connected with the air outlet end of the box body, the lining is fixedly connected with the air outlet end of the outer housing, the first filter screen is fixedly connected with the air inlet end of the lining, the upper cover is fixedly connected with the outer side end of the lining, the second filter screen is fixedly connected with the air inlet end of the upper cover, and the air outlet end of the upper cover is provided with a flange plate. The invention is used for filtering oil gas of the gear box.
Description
Technical Field
The invention relates to the technical field of power transmission, in particular to an oil gas filtering device with an external flange.
Background
The gear transmission device that uses at present is mostly oil spout lubrication, and when the during operation, the heat that gear, bearing friction produced can make the inside lubricating oil temperature of gear box rise, and inside pressure increases, if do not take the exhaust pressure release gear box shaft seal department to have oil leakage, oil leak risk, produces a large amount of oil gas and pressure especially when the gear rotational speed is higher, therefore ventilation unit is especially necessary in order to realize the inside pressure of gear box and external atmospheric pressure balance. The ventilation cover which is usually adopted can mix a small part of oil mist in the gear box in the air for discharge while exhausting and releasing pressure, so that the risk of environmental pollution is brought. With the increasing environmental requirements in modern society, the physical and mental health of the working environment of human beings is particularly important, so that higher requirements on the exhaust of a gear box are necessary, and particularly, the requirements on the oil mist discharge of the gear box are more strict in the environment with unsmooth air circulation.
The invention provides an out-of-band flange professional oil gas filtering device which adopts a double-layer net and a multi-channel airflow passing structure, and meanwhile, the output is connected by adopting a flange, so that the filtered air in a gear box is discharged to a designated place through an external pipeline, and zero pollution discharge is ensured.
Disclosure of Invention
The invention aims to solve the problem that the existing ventilation hood can discharge a small part of oil mist in a gear box by being mixed with air while exhausting pressure, so as to bring the risk of environmental pollution, and further provides an oil gas filtering device with an external flange.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides an out-of-band flange oil gas filter equipment, includes outer housing, bush, upper cover, first filter screen and second filter screen, and the income gas end of outer housing is connected with the end of giving vent to anger of box, and the end rigid coupling that gives vent to anger of outer housing has the bush, and the income gas end rigid coupling of bush has first filter screen, and the outside end rigid coupling of bush has the upper cover, and the income gas end rigid coupling of upper cover has the second filter screen, and the end of giving vent to anger of upper cover is equipped with the ring flange.
Compared with the prior art, the invention has the following beneficial effects:
The multi-channel secondary oil gas filter has the characteristics of simple processing, consistent interface, convenient disassembly and assembly, no maintenance under normal conditions and the like, and is connected with the exhaust hole of the speed reducer through the connecting bolt. And discharging the filtered air to a designated position through an external pipeline, so that zero emission and zero pollution are realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the bushing 4 of the present invention;
fig. 3 is a schematic view of the structure of the sleeve 6 in the present invention;
fig. 4 is a schematic view of the structure of the upper cover 5 of the present invention;
fig. 5 is a schematic view of the structure of the outer housing 2 in the present invention.
Detailed Description
In a first embodiment, referring to fig. 1 to 5, the oil-gas filtering device with flange comprises an outer casing 2, a liner 4, an upper cover 5, a first filter screen 7 and a second filter screen 8, wherein the gas inlet end of the outer casing 2 is connected with the gas outlet end of the box body 1, the liner 4 is fixedly connected with the gas outlet end of the outer casing 2, the first filter screen 7 is fixedly connected with the gas inlet end of the liner 4, the upper cover 5 is fixedly connected with the outer side end of the liner 4, the second filter screen 8 is fixedly connected with the gas inlet end of the upper cover 5, and the flange plate 5-1 is arranged at the gas outlet end of the upper cover 5.
In a second embodiment, referring to fig. 1 to 5, the shape of the bushing 4 in this embodiment is a cylinder with an open outer side and a closed inner side, a fixed disc 4-1 is disposed on the outer side wall of the bushing 4 along the circumferential direction, the fixed disc 4-1 is fixedly connected with a port of the air outlet end of the outer casing 2, a plurality of air inlets 4-2 are uniformly disposed on the outer side wall of the inner side end of the bushing 4 along the circumferential direction, and the first filter screen 7 is fixedly connected on the inner side wall of the inner side end of the bushing 4 and is located inside the air inlets 4-2. Other compositions and connection modes are the same as in the first embodiment.
In the third embodiment, referring to fig. 1 to 5, in the present embodiment, a sleeve 6 is fixedly connected to the inner side of the liner 4, the sleeve 6 is fixedly connected between the end surface of the inner side end of the liner 4 and the end surface of the air inlet end of the upper cover 5, a horizontal partition plate 6-1 is fixedly connected to the middle part of the outer side wall of the sleeve 6 along the circumferential direction, the outer side of the horizontal partition plate 6-1 is fixedly connected to the inner circumferential side wall of the liner 4, multiple groups of ventilation holes 6-2 are uniformly distributed on the pipe wall of the sleeve 6 along the circumferential direction, and each group of ventilation holes 6-2 respectively comprises multiple ventilation holes 6-2 uniformly distributed along the length direction. Other compositions and connection modes are the same as those of the second embodiment.
In the fourth embodiment, the first screen 7 is disposed below the horizontal partition 6-1 as described in the present embodiment, with reference to fig. 1 to 5. Other compositions and connection modes are the same as those of the third embodiment.
In a fifth embodiment, referring to fig. 1 to 5, in the present embodiment, a vent pipe 5-2 is disposed in the middle of the upper cover 5, a flange 5-1 is fixedly connected to an air outlet end of the vent pipe 5-2, a connection end plate 5-3 is fixedly connected to an air inlet end of the vent pipe 5-2, the connection end plate 5-3 is fixedly connected to an outer open end of the liner 4, an exhaust through hole 5-4 is disposed in the middle of the connection end plate 5-3, a plurality of air outlet holes 5-5 are uniformly distributed in the outer side of the exhaust through hole 5-4 along the circumferential direction, the exhaust through hole 5-4 is disposed inside the sleeve 6, the air outlet holes 5-5 are disposed outside the sleeve 6, a second filter screen 8 is fixedly connected to an upper end surface of the connection end plate 5-3 and disposed inside the vent pipe 5-2, and the second filter screen 8 is disposed inside the exhaust through hole 5-4 and the air outlet holes 5-5. Other compositions and connection modes are the same as those of the third embodiment.
In a sixth embodiment, referring to fig. 1 to 5, the outer casing 2 of the present embodiment is funnel-shaped, the small end of the outer casing 2 is an air inlet end, and the large end of the outer casing 2 is an air outlet end. Other compositions and connection modes are the same as those of the first, second, third, fourth or fifth embodiments.
In a seventh embodiment, referring to fig. 1 to 5, a connecting disc 2-1 is fixedly connected to the outer sidewall of the air inlet end of the outer casing 2 in the circumferential direction, the connecting disc 2-1 is fixedly connected to the box body 1, a connecting flange 2-2 is fixedly connected to the outer sidewall of the air outlet end of the outer casing 2 in the circumferential direction, and the connecting flange 2-2 is fixedly connected to the fixed disc 4-1. Other compositions and connection modes are the same as those of the fifth embodiment.
In the eighth embodiment, referring to fig. 1 to 5, a fixing flange 4-3 is provided on the outer sidewall of the outer end of the bushing 4 in the present embodiment along the circumferential direction, and the fixing flange 4-3 is fixedly connected with the connecting end plate 5-3. Other compositions and connection manners are the same as those of the seventh embodiment.
In the ninth embodiment, referring to fig. 1 to 5, washers 3 are provided between the connection flange 2-2 and the fixing disk 4-1 and between the fixing flange 4-3 and the connection end plate 5-3. Other compositions and connection modes are the same as those of the eighth embodiment.
In the tenth embodiment, referring to fig. 1 to 5, a plurality of first oil return holes 4-4 are uniformly distributed on the end surface of the inner side end of the liner 4 in the embodiment, the first oil return holes 4-4 are disposed on the inner side of the sleeve 6, and a plurality of second oil return holes 6-3 are uniformly distributed on the horizontal partition 6-1 along the circumferential direction. Other compositions and connection modes are the same as those of the third embodiment.
Principle of operation
When the gear box operates, friction heat of the gears and the bearings enables the temperature of lubricating oil in the gear box to rise, oil gas in the gear box is increased, the oil gas enters the outer cover shell through the exhaust port of the gear box, the bushing is arranged on the outer cover shell through bolt connection, the oil gas enters the inner part through primary filtration of a side hole of the bushing and a first filter screen metal net embedded in the inner wall of the bushing, porous characteristics are arranged on the pipe sleeve, the oil gas is circulated through a plurality of channels to be subjected to secondary filtration through a second filter screen metal net arranged on the upper cover, purified air is discharged through an external pipeline, and oil returns to the inside of the gear box through the oil hole.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (7)
1. The oil-gas filtering device with the flange is characterized by comprising an outer housing (2), a lining (4), an upper cover (5), a first filter screen (7) and a second filter screen (8), wherein the gas inlet end of the outer housing (2) is connected with the gas outlet end of a box body (1), the lining (4) is fixedly connected with the gas outlet end of the outer housing (2), the first filter screen (7) is fixedly connected with the gas inlet end of the lining (4), the upper cover (5) is fixedly connected with the outer side end of the lining (4), the second filter screen (8) is fixedly connected with the gas inlet end of the upper cover (5), and the gas outlet end of the upper cover (5) is provided with a flange plate (5-1);
the shape of the lining (4) is a cylinder with an open outer side end and a closed inner side end, a fixed disc (4-1) is arranged on the outer side wall of the lining (4) along the circumferential direction, the fixed disc (4-1) is fixedly connected with a port of the air outlet end of the outer cover shell (2), a plurality of air inlets (4-2) are uniformly distributed on the outer side wall of the inner side end of the lining (4) along the circumferential direction, and a first filter screen (7) is fixedly connected on the inner side wall of the inner side end of the lining (4) and is positioned on the inner side of the air inlets (4-2);
The inner side of the bushing (4) is fixedly connected with a sleeve (6), the sleeve (6) is fixedly connected between the end face of the inner side end of the bushing (4) and the end face of the air inlet end of the upper cover (5), the middle part of the outer side wall of the sleeve (6) is fixedly connected with a horizontal partition plate (6-1) along the circumferential direction, the outer side of the horizontal partition plate (6-1) is fixedly connected with the inner circumferential side wall of the bushing (4), a plurality of groups of vent holes (6-2) are uniformly distributed on the pipe wall of the sleeve (6) along the circumferential direction, and each group of vent holes (6-2) respectively comprise a plurality of vent holes (6-2) uniformly distributed along the length direction;
a plurality of first oil return holes (4-4) are uniformly distributed on the end face of the inner side end of the bushing (4), the first oil return holes (4-4) are arranged on the inner side of the sleeve (6), and a plurality of second oil return holes (6-3) are uniformly distributed on the horizontal partition plate (6-1) along the circumferential direction.
2. The oil and gas filtering device with the flange is characterized in that the first filter screen (7) is arranged on the lower side of the horizontal partition plate (6-1).
3. The oil-gas filtering device with the flange is characterized in that the middle of the upper cover (5) is provided with a vent pipe (5-2), a flange plate (5-1) is fixedly connected to the air outlet end of the vent pipe (5-2), the air inlet end of the vent pipe (5-2) is fixedly connected with a connecting end plate (5-3), the connecting end plate (5-3) is fixedly connected with the outer open end of the bushing (4), the middle of the connecting end plate (5-3) is provided with an exhaust through hole (5-4), the outer side of the exhaust through hole (5-4) is uniformly provided with a plurality of air outlet holes (5-5) along the circumferential direction, the exhaust through hole (5-4) is arranged on the inner side of the sleeve (6), the air outlet holes (5-5) are arranged on the outer side of the sleeve (6), a second filter screen (8) is fixedly connected to the upper end surface of the connecting end plate (5-3) and is arranged on the inner side of the vent pipe (5-2), and the second filter screen (8) is positioned on the inner side of the exhaust through hole (5-4) and the air outlet holes (5-5).
4. The oil-gas filtering device with flange outside according to claim 1,2 or 3, wherein the outer casing (2) is funnel-shaped, the small end of the outer casing (2) is an air inlet end, and the large end of the outer casing (2) is an air outlet end.
5. The oil-gas filtering device with the flange is characterized in that a connecting disc (2-1) is fixedly connected to the outer side wall of the gas inlet end of the outer cover shell (2) along the circumferential direction, the connecting disc (2-1) is fixedly connected with the box body (1), a connecting flange (2-2) is fixedly connected to the outer side wall of the gas outlet end of the outer cover shell (2) along the circumferential direction, and the connecting flange (2-2) is fixedly connected with the fixing disc (4-1).
6. The oil-gas filtering device with flange according to claim 5, wherein the outer side wall of the outer side end of the bushing (4) is provided with a fixing flange (4-3) along the circumferential direction, and the fixing flange (4-3) is fixedly connected with the connecting end plate (5-3).
7. The oil-gas filtering device with flange according to claim 6, wherein washers (3) are arranged between the connecting flange (2-2) and the fixed disk (4-1) and between the fixing flange (4-3) and the connecting end plate (5-3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011204362.4A CN112191037B (en) | 2020-11-02 | 2020-11-02 | Oil and gas filtering device with external flange |
Applications Claiming Priority (1)
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CN202011204362.4A CN112191037B (en) | 2020-11-02 | 2020-11-02 | Oil and gas filtering device with external flange |
Publications (2)
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CN112191037A CN112191037A (en) | 2021-01-08 |
CN112191037B true CN112191037B (en) | 2025-03-07 |
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CN202011204362.4A Active CN112191037B (en) | 2020-11-02 | 2020-11-02 | Oil and gas filtering device with external flange |
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CN213492542U (en) * | 2020-11-02 | 2021-06-22 | 中国船舶重工集团公司第七0三研究所 | Oil gas filtering device with external flange |
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CN213492542U (en) * | 2020-11-02 | 2021-06-22 | 中国船舶重工集团公司第七0三研究所 | Oil gas filtering device with external flange |
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