CN211174276U - Cyclone oil-gas separator and automobile - Google Patents
Cyclone oil-gas separator and automobile Download PDFInfo
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- CN211174276U CN211174276U CN202020008789.6U CN202020008789U CN211174276U CN 211174276 U CN211174276 U CN 211174276U CN 202020008789 U CN202020008789 U CN 202020008789U CN 211174276 U CN211174276 U CN 211174276U
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Abstract
The utility model discloses a cyclone oil-gas separator and an automobile, which comprises a cyclone cylinder, a conical cylinder, an air inlet, an oil discharge hole, a top cover, an air outlet pipe and a baffle plate mechanism, wherein the conical cylinder is arranged at the lower end of the cyclone cylinder and is connected into a whole; in order to further ensure the separation effect and reduce the phenomenon of unsmooth airflow caused by good separation effect, the mode of gradually increasing the height of the initial partition plate to the final partition plate is adopted, so that the flow direction of the mixed gas can be conformed, and the pressure loss and the resistance are reduced.
Description
Technical Field
The utility model relates to a whirlwind oil and gas separator technical field, concretely relates to whirlwind oil and gas separator and car.
Background
The oil-gas separator is a main component in a crankcase ventilation system, and is used for efficiently separating engine oil in mixed gas fleeing from a crankcase, and the separation performance of the oil-gas separator has important influence on the reliability and emission of an engine; however, as the domestic requirements for emission are continuously improved, when the cyclone oil-gas separator with the traditional structure is adopted and the vehicle is not accelerated rapidly, oil drops are attached to the cylinder wall through the centrifugal effect, the oil drops fall along the cylinder wall through gravity to be collected, and meanwhile, the separated mixed gas is discharged out of the cyclone oil-gas separator, so that a better separation effect is obtained; therefore, a cyclone oil-gas separator is needed, which can maintain an efficient separation effect under high-speed airflow and avoid gas flow unsmooth due to a good separation effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a cyclone oil and gas separator can enough keep efficient separation effect under the high velocity air, can avoid again because the gas flow that the separation effect is good and cause not smooth phenomenon.
In order to achieve the purpose, the utility model provides a cyclone oil-gas separator, which comprises a cyclone cylinder, a conical cylinder, an air inlet hole, an oil discharge hole, a top cover, an air outlet pipe and a baffle plate mechanism, wherein the conical cylinder is arranged at the lower end of the cyclone cylinder and is connected into a whole;
the partition plate mechanism comprises a plurality of partition plates which are arranged at intervals along the circumferential direction of the inner wall of the cyclone cylinder, the initial partition plate is arranged by taking the part of the inner wall of the cyclone cylinder, blown by mixed gas entering the cyclone cylinder from the air inlet hole, as the starting point, and the stopping partition plate is arranged by taking the part of the mixed gas, wound to be close to the air inlet hole along the inner wall of the cyclone cylinder, as the ending point.
The plurality of baffles increases in height from the starting baffle to the ending baffle in a stepwise manner.
The air inlet is composed of a notch and a top cover, wherein the notch is formed in the upper end face of the cyclone cylinder in a downward mode, and the notch extends to the outer portion of the cyclone cylinder along the tangential direction of the inner wall of the cyclone cylinder.
The air outlet pipe is vertically arranged at the center of the top cover, and the length value of the air outlet pipe extending into the cyclone cylinder is 1/2-3/4 of the height value of the cyclone cylinder.
The upper ends of the plurality of partition plates are flush with the upper end face of the cyclone cylinder, and the lower ends of the plurality of partition plates extend to the inner wall of the upper part of the conical cylinder along the inner wall of the cyclone cylinder.
The plurality of baffles are all arranged on the diameter of a circle formed by the cross section of the cyclone cylinder.
The projection surfaces of the cyclone cylinder, the air outlet pipe and the oil discharge hole are concentric circles, the inner diameter value of the cyclone cylinder is larger than the outer diameter value of the air outlet pipe, and the inner diameter value of the air outlet pipe is larger than the inner diameter value of the oil discharge hole.
The outer diameter value of the air outlet pipe is 35% -40% of the diameter value of the inner wall of the cyclone cylinder.
The height of the initial baffle is 10% -20% of the value of the shortest straight line distance between the inner wall of the cyclone cylinder and the outer wall of the air outlet pipe.
The height of the stop baffle is 75-85% of the value of the shortest straight distance between the inner wall of the cyclone cylinder and the outer wall of the air outlet pipe.
The cross section of the air inlet hole is rectangular.
The number of the partition boards is 6-20.
The utility model provides an automobile, including the cyclone oil and gas separator in the above-mentioned embodiment.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the utility model discloses when the vehicle accelerates to among the prior art, because the mist that gets into cyclone oil and gas separator accelerates suddenly, can take away some with the oil on the bucket wall, reduce the separation effect, make the separation effect can not satisfy the phenomenon of demand gradually, set up baffle mechanism at cyclone drum inner wall, and baffle mechanism adopts the even mode that sets up on cyclone drum's inner wall of a plurality of baffles, can collect the oil drop of centrifugation play effectively, for further guarantee the effect of separation and reduce because separate effectual and cause the not smooth phenomenon of air current, adopt originated baffle height to increase gradually to the mode of stopping the baffle, can comply with the flow direction of mist, reduce pressure loss and resistance.
In addition, the adopted partition plate mechanism comprises a plurality of vertical strip-shaped partition plates which are arranged at intervals along the circumferential direction of the inner wall of the cyclone cylinder, the starting end of the air inlet hole entering the cyclone cylinder is provided with the starting partition plate for performing primary isolation and flow direction adjustment on the mixed gas, and then the stopping partition plate is arranged on the inner wall of the cyclone cylinder which is wound around the inner wall of the cyclone cylinder to be close to the air inlet hole, so that the separation with the previous plurality of partition plates can be performed for a plurality of times, the flow guide effect on the air flow can be realized, and the separated gas can be quickly discharged from the air outlet pipe; in order to improve the separation effect, the adopted plurality of clapboards are all arranged on the diameter of a circle formed by the cross section of the cyclone cylinder, so that a stable and continuous separation effect can be formed in the flowing direction of the mixed gas, the mixed gas can be guided gradually, and the phenomena of pressure loss and unsmooth gas flow caused by gas vortex are avoided; for further improvement separation effect, ensure that every baffle can both carry out the efficient separation and drip, and avoid making partly drip to be taken away once more and cause the not good phenomenon of separation effect because the velocity of flow increases behind the baffle, a plurality of baffles of adoption start highly increasing gradually to the termination baffle from the initial baffle, form stable interval space when can progressively increase the gas flow velocity, it drips to come the high-efficient separation, and because the height that back baffle highly is higher than preceding baffle, can constitute the steady voltage space in the baffle space of formation, avoid dripping to be taken away once more.
In addition, because the air inlet hole is formed by a notch and a top cover which are arranged on the upper end surface of the cyclone cylinder downwards, the adopted air outlet pipe is vertically arranged at the central position of the top cover, and the length value of the air outlet pipe extending into the cyclone cylinder is 1/2-3/4 of the height value of the cyclone cylinder, so that after mixed gas enters the inner cavity of the cyclone cylinder from the upper part of the cyclone cylinder, spiral air flow is formed around the inner wall of the cyclone cylinder to the lower end of the air outlet pipe, the oil drop separation can be carried out for many times, and meanwhile, the phenomenon that the mixed gas which is not completely separated or is not separated is discharged from the air outlet pipe; in addition, because the air current passes through the initial baffle and the termination baffle many times in the whirlwind drum, can avoid the air current only to paste the phenomenon that the whirlwind drum inner wall one side separates tightly for when getting into initial baffle by termination baffle department at every turn, because the space increases suddenly makes the air current disturbance stir, when keeping apart once more, can separate more thoroughly.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of the present invention;
fig. 3 is a schematic sectional view of the position B-B of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example one
As shown in fig. 1-3: the utility model provides a whirlwind oil and gas separator, includes whirlwind drum 1, sets up 1 lower extreme of whirlwind drum and even cone 2 as an organic whole set up be used for the inlet port 7 that the mist admitted air on 1 lateral wall of whirlwind drum, set up and be in 2 lower parts of cone are used for discharging oil drip oil drain hole 5, set up and are in top cap 3 on 1 up end of whirlwind drum sets up be used for discharging the mixed gas's after the separation outlet duct 4 on the top cap 3, and set up and be in be used for improving the baffle mechanism of separation effect on 1 inner wall of whirlwind drum.
Wherein, set up baffle mechanism at traditional whirlwind drum inner wall, can form a plurality of interval spaces at whirlwind drum inner wall for mist when flowing in the whirlwind drum, keep separating the oil droplet of centrifugal stop on rotatory drum inner wall, avoid oil droplet to be taken away by high velocity air flow.
As a preferred solution of this embodiment, the baffle mechanism includes a plurality of baffles 6 arranged at intervals along the circumferential direction of the inner wall of the cyclone cylinder 1, and the start baffle 61 is arranged with the position of the inner wall of the cyclone cylinder 1 where the mixed gas enters the cyclone cylinder 1 from the gas inlet 7 and blows, as the starting point, and the end baffle 62 is arranged with the position where the mixed gas winds to the position close to the gas inlet 7 along the inner wall of the cyclone cylinder 1, as the ending point.
The cyclone cylinder comprises a cyclone cylinder body, wherein a plurality of clapboards are arranged on the inner wall of the cyclone cylinder body at intervals, the starting clapboard is arranged on the inner wall of the cyclone cylinder body at the inlet end of the air inlet hole, the stopping clapboard is arranged at the position, close to the air inlet hole, of the cyclone cylinder body, and the phenomenon that ventilation is not smooth or air flow resistance is increased when the clapboards are arranged on the inner wall of the cyclone cylinder body at the position of the air inlet hole can be avoided.
As a preferable solution of this embodiment, the plurality of baffles 6 are gradually increased in height from the starting baffle 61 to the ending baffle 62; through the mode from the high gradual increase of initial baffle 61 until stopping baffle 62, can form the separation layer by layer to the mist of high velocity of flow, when improving the isolation effect, also can avoid when the mist velocity of flow increases, the phenomenon of taking away again with whirlwind cylinder 1 surface oil drop along with the gradual increase of the height of a plurality of baffles 6.
As an optimized scheme of the utility model, the air inlet 7 is composed of a notch and a top cover 3 which are arranged downwards from the upper end surface of the cyclone cylinder 1, and the notch extends to the outside of the cyclone cylinder 1 along the tangential direction of the inner wall of the cyclone cylinder 1; the arrangement is that the mixed gas entering the cyclone cylinder 1 flows in along the tangential direction of the inner wall of the cyclone cylinder 1 and does not touch the inner wall of the cyclone cylinder 1, so that the flow speed of the mixed gas is not weakened, the flowing direction of the mixed gas is only changed, meanwhile, the air inlet 7 consists of a notch and a top cover which are arranged downwards on the upper end surface of the cyclone cylinder 1, the air inlet 7 is positioned at the uppermost end of the cyclone cylinder 1, the air outlet pipe 4 is vertically arranged at the central position of the top cover 3, and the length value of the air outlet pipe 4 extending into the cyclone cylinder 1 is 1/2-3/4 of the height value of the cyclone cylinder 1; the design mode can prolong the rotating number of turns of the mixed gas in the cyclone cylinder 1, increase the separation distance and time of the mixed gas and improve the separation effect.
The upper ends of the plurality of partition plates 6 are flush with the upper end surface of the cyclone cylinder 1, so that the partition plates can be matched with the top cover 3 to obtain sealing between the upper ends of the partition plates and the top cover, and the mixed gas can be separated after entering the cyclone cylinder 1; the lower ends of the plurality of partition plates 6 extend to the inner wall of the upper part of the conical cylinder 2 along the inner wall of the cyclone cylinder 1; the phenomenon that part of oil drops are sucked away again and discharged due to overlarge airflow at the air outlet end of the air outlet pipe 4 can be avoided.
As an optimized proposal of the embodiment, a plurality of baffle plates 6 are arranged on the diameter of a circle formed by the cross section of the cyclone cylinder 1, thereby not only facilitating the positioning and the installation, but also reducing the resistance to the flow of the mixed gas.
Example two
The difference from the first embodiment is that: the projection face of whirlwind drum 1, outlet duct 4 and oil drain hole 5 is the concentric circles, can make the even 4 discharges of outlet duct from of mist after the separation, and because oil drain hole 5 is the concentric circles with the projection face of whirlwind drum 1, can make the oil that holds the intracavity that each baffle 6 formed drop speed unanimously in conical cylinder 2, avoid oil to drop dwell time overlength and cause the phenomenon of being taken away by the mist after the separation once more.
Wherein, the internal diameter numerical value of whirlwind drum 1 is greater than the external diameter numerical value of outlet duct 4 to can form the separation space between 1 inner wall of whirlwind drum and 4 outer walls of outlet duct, and the internal diameter numerical value of outlet duct 4 is greater than the internal diameter numerical value of oil drain hole 5, thereby can accelerate the velocity of the mist after the discharge separation, also improved the ability that oil drips is collected to oil drain hole 5 simultaneously.
As an optimized scheme of this embodiment, the height of the initial partition board 61 is 10% -20% of the shortest straight distance between the inner wall of the cyclone cylinder 1 and the outer wall of the outlet pipe 4, and preferably, the height of the initial partition board 61 is 17% of the shortest straight distance between the inner wall of the cyclone cylinder 1 and the outer wall of the outlet pipe 4; the outer diameter value of the air outlet pipe 4 is 35% -40% of the inner wall diameter value of the cyclone cylinder 1, and preferably, the outer diameter value of the air outlet pipe 4 is 37% of the inner wall diameter value of the cyclone cylinder 1; the height of the stopping partition plate 62 is 75-85% of the shortest straight distance between the inner wall of the cyclone cylinder 1 and the outer wall of the air outlet pipe 4, and preferably, the height of the stopping partition plate 62 is 78% of the shortest straight distance between the inner wall of the cyclone cylinder 1 and the outer wall of the air outlet pipe 4; in a specific embodiment, when the diameter of the inner wall of the cyclone cylinder 1 is 20 cm, the outer diameter value of the outlet pipe 4 is 7.2 cm, namely, the shortest straight line distance between the inner wall of the cyclone cylinder 1 and the outer wall of the outlet pipe 4 is 12.8 cm, the height of the initial partition board 61 is 2.2 cm, and the height of the termination partition board 62 is 10 cm, the mixed gas is enabled to flow in a spiral flow path in the cyclone oil-gas separator in a mode that the partition boards are gradually raised, the acceleration and deceleration of the gas flow can be intermittently realized, a gas flow vortex area cannot be formed, the pressure loss is effectively reduced, and the resistance to the gas flow cannot be increased.
Wherein, the gradually high numerical formula of baffle is arithmetic progression formula, the utility model provides a cyclone oil and gas separator goes up 6-20 of the quantity of baffle 6. The utility model discloses a whirlwind oil and gas separator in specific embodiment sets up 11 baffles 6 for the tolerance is 0.78 cm, and because the height increase is comparatively gentle, makes the mist separation and turn to more peacefully with higher speed, has also avoided the formation of vortex.
As a further optimization scheme of the embodiment, the cross section of the air inlet hole 7 is rectangular; the mixed gas entering the cyclone cylinder 1 can be perfectly cut into the cyclone cylinder 1, and meanwhile, the mixed gas can be directly separated from the cyclone cylinder 1 without being used for correcting a flow channel.
The embodiment of the utility model provides a still provide an automobile, include as above cyclone oil and gas separator, wherein, the embodiment of above-mentioned cyclone oil and gas separator all is applicable to the embodiment of this automobile, also can reach the same technological effect.
The utility model discloses a use method: mixed gas formed by an engine in a crankcase enters a cyclone cylinder through an air inlet, then the mixed gas flows downwards spirally on the inner wall of the cyclone cylinder and repeatedly passes through a plurality of clapboards for a plurality of times, the mixed gas can be separated for a plurality of times, so that the separation is more thorough, and the separated gas enters an exhaust pipe of an automobile from the lower end of an air outlet pipe and then enters a PCV (positive crankcase ventilation) valve; and the oil drops collected from the oil discharge hole are recovered into the crankcase through an oil return pipeline.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A cyclone oil-gas separator is characterized in that: the cyclone separator comprises a cyclone cylinder (1), a conical cylinder (2) which is arranged at the lower end of the cyclone cylinder (1) and is connected into a whole, an air inlet (7) which is arranged on the side wall of the cyclone cylinder (1) and is used for introducing mixed gas, an oil discharge hole (5) which is arranged at the lower part of the conical cylinder (2) and is used for discharging oil drops, a top cover (3) which is arranged on the upper end surface of the cyclone cylinder (1), an air outlet pipe (4) which is arranged on the top cover (3) and is used for discharging separated mixed gas, and a partition mechanism which is arranged on the inner wall of the cyclone cylinder (1) and is used for improving the separation effect;
the partition plate mechanism comprises a plurality of partition plates (6) arranged at intervals along the circumferential direction of the inner wall of the cyclone cylinder (1), a starting partition plate (61) is arranged by taking the part of the inner wall of the cyclone cylinder (1) blown by mixed gas entering the cyclone cylinder (1) from the gas inlet hole (7) as a starting point, and a stopping partition plate (62) is arranged by taking the part of the mixed gas which winds to be close to the gas inlet hole (7) along the inner wall of the cyclone cylinder (1) as an ending point;
the plurality of baffles (6) increases in height from the starting baffle (61) to the ending baffle (62) in a stepwise manner.
2. A cyclone oil and gas separator as in claim 1, wherein: the air inlet holes (7) are formed by an unfilled groove formed in the upper end face of the cyclone cylinder (1) in a downward mode and the top cover (3), and the unfilled groove extends to the outside of the cyclone cylinder (1) along the tangential direction of the inner wall of the cyclone cylinder (1).
3. A cyclone oil and gas separator as claimed in claim 1 or 2, wherein: the air outlet pipe (4) is vertically arranged at the central position of the top cover (3), and the length value of the air outlet pipe (4) extending into the cyclone cylinder (1) is 1/2-3/4 of the height value of the cyclone cylinder (1).
4. A cyclone oil and gas separator as in claim 3, wherein: the upper ends of the plurality of partition plates (6) are flush with the upper end face of the cyclone cylinder (1), and the lower ends of the plurality of partition plates (6) extend to the inner wall of the upper part of the conical cylinder (2) along the inner wall of the cyclone cylinder (1).
5. A cyclone oil and gas separator as in claim 1, wherein: the plurality of baffles (6) are all arranged on the diameter of a circle formed by the cross section of the cyclone cylinder (1).
6. A cyclone oil and gas separator as in claim 1, wherein: the projection surfaces of the cyclone cylinder (1), the air outlet pipe (4) and the oil discharge hole (5) are concentric circles, the inner diameter value of the cyclone cylinder (1) is larger than the outer diameter value of the air outlet pipe (4), and the inner diameter value of the air outlet pipe (4) is larger than the inner diameter value of the oil discharge hole (5).
7. A cyclone oil and gas separator as in claim 1, wherein: the outer diameter value of the air outlet pipe (4) is 35-40% of the diameter value of the inner wall of the cyclone cylinder (1);
the height of the initial baffle plate (61) is 10-20% of the value of the shortest straight line distance between the inner wall of the cyclone cylinder (1) and the outer wall of the air outlet pipe (4);
the height of the stopping partition plate (62) is 75-85% of the value of the shortest straight distance between the inner wall of the cyclone cylinder (1) and the outer wall of the air outlet pipe (4).
8. The cyclone oil and gas separator of claim 5, wherein: the number of the partition boards (6) is 6-20.
9. An automobile comprising a cyclonic oil-gas separator as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008789.6U CN211174276U (en) | 2020-01-03 | 2020-01-03 | Cyclone oil-gas separator and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008789.6U CN211174276U (en) | 2020-01-03 | 2020-01-03 | Cyclone oil-gas separator and automobile |
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| CN211174276U true CN211174276U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020008789.6U Active CN211174276U (en) | 2020-01-03 | 2020-01-03 | Cyclone oil-gas separator and automobile |
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| CN (1) | CN211174276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567759A (en) * | 2016-12-27 | 2017-04-19 | 宁波神通模塑有限公司 | Oil-gas separator |
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2020
- 2020-01-03 CN CN202020008789.6U patent/CN211174276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567759A (en) * | 2016-12-27 | 2017-04-19 | 宁波神通模塑有限公司 | Oil-gas separator |
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