CN112604323A - Oil-water separator of diesel vehicle - Google Patents
Oil-water separator of diesel vehicle Download PDFInfo
- Publication number
- CN112604323A CN112604323A CN202011466277.5A CN202011466277A CN112604323A CN 112604323 A CN112604323 A CN 112604323A CN 202011466277 A CN202011466277 A CN 202011466277A CN 112604323 A CN112604323 A CN 112604323A
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- Prior art keywords
- shell
- pipe
- oil
- annular body
- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the field of oil-water separators, in particular to an oil-water separator of a diesel vehicle, which comprises: the device comprises an annular body, a water collecting cup, a filter element and a rotational flow mechanism; the filter element and the rotational flow mechanism are arranged in the annular body, and the filter element is positioned above the rotational flow mechanism; the swirling flow mechanism includes: a spiral plate, a shunt pipe and a sedimentation pipe; the shell is fixed in the annular body, and the spiral plate is attached to the side wall of the shell; one end of the oil inlet pipe is connected to the upper part of the shell and communicated with the spiral channel, and the other end of the oil inlet pipe penetrates through the annular body; the settling pipe is connected to the outlet of the channel; one end of the flow dividing pipe is connected to the middle part of the outer peripheral surface of the shell and communicated with the spiral channel, and the other end of the flow dividing pipe penetrates through the lower part of the outer peripheral surface of the shell, extends into the shell and is communicated with the settling pipe; the invention has better separation effect of diesel oil and water and more thorough separation.
Description
Technical Field
The invention relates to the field of oil-water separators, in particular to an oil-water separator of a diesel vehicle.
Background
The diesel oil-water separator is used as an important component of an engine fuel system, and has the main function of separating harmful impurities, moisture and the like in the fuel from the fuel, so that the fuel entering the interior of each part of the engine fuel system and in a combustion chamber is cleaner, the engine is protected to normally work, the abrasion is reduced, the blockage is avoided, the emission is improved, and the service life of the engine is prolonged.
Disclosure of Invention
Therefore, the present invention solves the above problems by the following means.
An oil-water separator for a diesel vehicle, comprising: the upper cover, the annular body, the water collecting cup, the filter element and the rotational flow mechanism; the upper cover is arranged at the upper end of the annular body, the water collecting cup is arranged at the lower end of the annular body, the filter element and the rotational flow mechanism are arranged in the annular body, and the filter element is positioned above the rotational flow mechanism;
the swirling flow mechanism includes: the oil-feeding pipe, the oil-discharging pipe, the shell, the positioning ring, the spiral plate, the fixing column, the shunt pipe, the sedimentation pipe and the supporting rod.
The shell is a hollow cylinder and is fixed at the lower position in the annular body through a plurality of support rods, the shell is coaxial with the annular body and is not in contact with the annular body, the fixed column is fixed in the shell, the outer side wall surface of the fixed column, which is fixed by the spiral plate, is attached to the side wall of the shell, the upper end and the lower end of the fixed column are respectively attached to the top plate and the bottom plate of the shell, and a channel outlet is formed in the bottom position of the shell.
One end of the oil inlet pipe is connected to the upper portion of the shell and communicated with the spiral channel, and the other end of the oil inlet pipe penetrates through the annular body.
The settling pipe is connected at the outlet of the channel.
One end of the shunt tube is connected to the middle of the outer peripheral surface of the shell and communicated with the spiral channel, and the other end of the shunt tube penetrates through the lower part of the outer peripheral surface of the shell, extends to the inside of the shell and is communicated with the settling tube.
The upper surface at the casing is fixed to the holding ring is coaxial, and the outer peripheral face of holding ring is provided with oil outlet pipe, oil outlet pipe runs through out the ring body.
The filter element is arranged in the annular body and is clamped between the upper cover and the positioning ring.
And the lowest end of the water collecting cup is provided with a drainage device.
The invention has the beneficial effects that:
utilize the spiral plate to form helical coiled passage, the spiral plate is from last to reducing gradually the interval of board and board down, and the setting of shunt tubes both ends mouth, port is the setting of level relative state with helical coiled passage's passageway export under the shunt tubes, make the tiny water droplet that smugglies secretly in the diesel oil finally coalesce into great water droplet, make the diesel oil in the settling tube tend to the lower part of steady downward inflow ring body, utilize the ring body to be greater than the diameter of settling tube, the velocity of flow that makes the diesel oil of thoughtlessly having impurity and water will slow down, be favorable to the impurity of higher density and great water droplet to fall into in the water-collecting cup, make the diesel oil better with the separation effect of water, separate more thoroughly.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the swirling mechanism of the present invention.
Fig. 3 is a cross-sectional view of a cartridge of the present invention.
The water collecting device comprises an upper cover-10, a spring-11, an annular body-20, a water collecting cup-30, a drainage device-31, a filter element-40, a top plate-41, a spring groove-411, an annular filter material-42, a bottom plate-43, an oil guide hole-431, a positioning groove-432, a sealing ring-433, a rotational flow mechanism-50, an oil inlet pipe-51, an oil outlet pipe-52, a shell-53, a spiral channel-531, a channel outlet-532, a positioning ring-54, a spiral plate-55, a fixing column-56, a flow dividing pipe-57, an upper port-571, a lower port-572, a settling pipe-58 and a supporting rod-59.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1, an oil-water separator for a diesel vehicle includes: the filter cartridge comprises an upper cover 10, an annular body 20, a water collecting cup 30, a filter cartridge 40 and a swirling mechanism 50, wherein the upper cover 10 is detachably arranged at the upper end of the annular body 20 in a fluid-tight relationship, the water collecting cup 30 is detachably arranged at the lower end of the annular body 20 in a fluid-tight relationship, the filter cartridge 40 and the swirling mechanism 50 are arranged inside the annular body 20, and the filter cartridge 40 is positioned above the swirling mechanism 50.
As shown in fig. 2, the swirling mechanism 50 includes: the diesel fuel filter comprises an oil inlet pipe 51, an oil outlet pipe 52, a shell 53, a positioning ring 54, a spiral plate 55, a fixed column 56, a shunt pipe 57, a settling pipe 58 and a support rod 59, wherein the shell 53 is a hollow cylinder and is fixed at the lower position in the annular body 20 through a plurality of support rods 59, the shell 53 and the annular body 20 are coaxial and do not contact with each other, fluid can flow to the upper part of the shell 53 from the lower part of the shell 53 along the gap between the shell 53 and the annular body 20, the spiral plate 55 and the fixed column 56 are coaxially fixed in the shell 53, the outer edge of the spiral plate 55 is attached to the side wall of the shell 53, the inner edge of the spiral plate 55 is attached to the outer peripheral surface of the fixed column 56, the upper end and the lower end of the fixed column 56 are respectively attached to the top plate and the bottom plate of the shell 53, a spiral channel 531 can be formed in the shell 53, when diesel fuel mixed with impurities and water flows in the spiral channel 531, the opportunity will be provided for the fine water droplets to coalesce with each other, and for the sake of understanding, the passage opening of the spiral passage 531 located below is referred to as a passage outlet 532, and the distance between the plate and the spiral plate 55 is gradually reduced from top to bottom, so that the flow velocity of the fluid located at the lower portion in the spiral passage 531 is greater than that of the fluid located at the upper portion.
One end of the oil inlet pipe 51 is connected to the upper portion of the outer circumferential surface of the housing 53 and is communicated with the spiral passage 531, and the other end thereof penetrates the annular body 20, so that the diesel oil mixed with impurities and water can enter the spiral passage 531 through the oil inlet pipe 51.
The settling tube 58 is vertically connected in fluid-tight relationship at the channel outlet 532, the top surface of the settling tube 58 is connected in fluid-tight relationship with the spiral plate 55, the settling tube 58 is provided with a through hole corresponding to the position of the channel outlet 532, the diesel oil mixed with impurities and water enters the settling tube 58 through the spiral channel 531, the pipe diameter of the settling tube 58 is larger than the main pipe diameter of the spiral channel 531 and the shunt tube 57, the flow velocity of the diesel oil mixed with the impurities and the water in the spiral passage 531 can be made larger than the flow velocity of the diesel oil mixed with the impurities and the water in the settling tube 58, the flow velocity of the diesel oil mixed with the impurities and the water in the spiral passage 531 is made large, greater centrifugal force can be generated, so that impurities and water entrained in the diesel tend to concentrate on the inner surface of the shell 53, and the flow speed of the diesel mixed with the impurities and the water in the settling tube 58 is small, so that the impurities and the water can settle downwards under the action of gravity.
The one end of the bypass pipe 57 is connected to the middle of the outer circumferential surface of the housing 53 and is communicated with the spiral channel 531, and the other end of the bypass pipe 57 is extended to the inside of the housing 53 through the lower portion of the outer circumferential surface of the housing 53 and is communicated with the settling tube 58, specifically, for the convenience of understanding, one end of the middle of the outer circumferential surface of the housing 53 is called an upper port 571, and one end of the lower portion of the outer circumferential surface of the housing 53 is called a lower port 572, so that the diesel oil mixed with the impurities and the water flowing through the middle of the spiral channel 531 and close to the inner surface of the housing 53 can enter the bypass pipe 57, since the diesel oil mixed with the impurities and the water flows at the upper portion of the spiral channel 531, a centrifugal action is generated, and a part of the fine water drops are concentrated on the inner surface of the housing 53 and coalesced into the larger water drops, at this time, the diesel oil entering the bypass pipe, since the distance between the spiral plate 55 and the plate is gradually reduced from top to bottom, the flow velocity of the diesel oil mixed with the impurities and water at the lower portion of the spiral passage 531 is maintained at a high flow velocity, and thus a centrifugal action is generated, so that the impurities and fine water droplets remaining in the diesel oil are concentrated on the inner surface of the housing 53 and coalesce into larger water droplets.
The lower port 572 and the channel outlet 532 are horizontally opposite, so that diesel oil mixed with impurities and water in the shunt tube 57 and diesel oil mixed with impurities and water in the spiral channel 531 are in front contact when entering the settling tube 58, opportunities are provided for coalescence of water drops in the shunt tube 57 and water drops in the spiral channel 531, fine water drops mixed in the diesel oil are finally coalesced into larger water drops, inertia of the diesel oil in the shunt tube 57 and the diesel oil in the spiral channel 531 is offset by the contact, the diesel oil in the settling tube 58 tends to flow smoothly, and the larger water drops finally coalesced fall into the water collecting cup 30 under the action of gravity.
The positioning ring 54 is coaxially fixed on the upper surface of the casing 53, the outer peripheral surface of the positioning ring 54 is connected with the oil outlet pipe 52 which is horizontally arranged, the oil outlet pipe 52 is communicated with the inside of the positioning ring 54, the other end of the oil outlet pipe penetrates through the annular body 20, diesel oil which is used for removing impurities and water can flow to an oil pump (not shown in the figure) through the oil outlet pipe 52 and is finally supplied to a diesel engine, and the top surface of the positioning ring 54 is higher than the topmost end of the oil outlet pipe 52, so that the positioning ring 54 can complete the positioning effect on.
As shown in fig. 3, the filter element 40 is a hollow cylinder, and includes: the filter element comprises a top plate 41, an annular filter material 42 and a bottom plate 43, wherein the annular filter material 42 is positioned between the top plate 41 and the bottom plate 43, an oil guide hole 431 is formed in the center of the bottom plate 43, an annular positioning groove 432 matched with the positioning ring 54 in size is formed in the bottom surface of the bottom plate 43, the diameter of the positioning groove 432 is larger than that of the oil guide hole 431, the filter element 40 is not in contact with the annular body 20, fluid can enter the space between the filter element 40 and the annular body 20 and enter the interior of the filter element 40, so as to perform the filtering function, and preferably, a sealing ring 433 is arranged in the positioning groove 432, the filter element 40 is mounted in fluid-tight relationship above the swirling mechanism 50 and at an upper position within the annular body 20 by engagement of the positioning groove 432 with the positioning ring 54, and the interior of the filter element 40 is communicated with the outlet pipe 52, filtered diesel oil can flow out of the oil-water separator, and the top surface of the top plate 41 is provided with an annular spring groove 411.
The spring 11 is fixed to the side of the cover 10 facing the inside of the annular body 20, the size and position of the spring 11 being adapted to the spring groove 411, when the cover 10 is mounted in fluid-tight relationship to the upper end of the annular body 20, the lower end of the spring 11 is seated in the spring groove 411 and the spring 11 is in a compressed state, so that the position of the filter cartridge 40 is not displaced, and at the same time, the fluid-tight relationship between the filter cartridge 40 and the positioning ring 54 is more reliable under the restoring force of the spring 11.
The lowest end of the water collecting cup 30 is provided with a drainage device 31, and the drainage device 31 is a manual or automatic drainage device and is used for removing impurities and water.
The working principle of the invention is as follows:
under the action of an oil pump (not shown in the figure), negative pressure is formed inside the oil-water separator, so that the diesel oil mixed with impurities and water in the oil tank enters the spiral channel 531 along the oil inlet pipe 51, the diesel oil mixed with impurities and water flows along the spiral channel 531, a centrifugal effect is generated, the impurities and water carried in the diesel oil tend to concentrate on the inner surface of the shell 53, fine water droplets have a high probability of coalescing with each other into larger water droplets, when the diesel oil mixed with impurities and water flows through the middle of the spiral channel 531, the diesel oil mixed with a large amount of impurities, more fine water droplets and larger water droplets close to the inner surface of the shell 53 enters the diversion pipe 57, the rest diesel oil mixed with a small amount of impurities and fine water droplets continues to flow downwards along the spiral channel 531, and the distance between the spiral plate 55 and the plate is gradually reduced from top to bottom, so that the flow rate of the diesel oil mixed with impurities and water at the lower part in the spiral channel 531 is kept at a high flow rate, so as to generate centrifugal action, the impurities and fine water drops remained in the diesel oil are concentrated on the inner surface of the shell 53 and coalesced into larger water drops, then the diesel oil mixed with a large amount of impurities, more fine water drops and larger water drops in the shunt pipe 57 is in front contact with the diesel oil mixed with a small amount of impurities, few fine water drops and more larger water drops in the spiral channel 531 when entering the settling pipe 58, so that the fine water drops mixed in the diesel oil are finally coalesced into larger water drops, and the contact can counteract the inertia of the diesel oil mixed with impurities and water in the shunt pipe 57 and the diesel oil mixed with impurities and water in the spiral channel 531, so that the diesel oil in the settling pipe 58 can flow downwards smoothly and then flows out of the settling pipe 58 to the lower part of the annular body 20, because the diameter of the annular body 20 is far larger than the pipe diameter of the settling pipe 58, the flow rate of the diesel oil mixed with impurities and water at this time is slowed down, the diesel oil which is coalesced into larger water drops and the impurities with higher density fall into the water collecting cup 30 under the action of gravity, at this time, the diesel oil containing a small amount of impurities and few fine water drops moves upwards and passes through the cyclone mechanism 50, so as to enter the gap between the filter element 40 and the annular body 20, the few fine water drops remained in the process are coalesced into larger water drops and fall into the water collecting cup 30 under the action of gravity, then the diesel oil which is located between the filter element 40 and the annular body 20 and contains a small amount of impurities and negligible fine water drops enters the interior of the filter element 40 through the annular filtering material 42 of the filter element 40, the filtration of the small amount of impurities is completed, and finally the diesel oil which is removed with impurities and water flows to an oil pump (not shown in the figure) through the oil outlet pipe.
Claims (4)
1. An oil-water separator for a diesel vehicle, comprising: the filter comprises an upper cover (10), an annular body (20), a water collecting cup (30), a filter element (40) and a rotational flow mechanism (50); the upper cover (10) is arranged at the upper end of the annular body (20), the water collecting cup (30) is arranged at the lower end of the annular body (20), the filter element (40) and the rotational flow mechanism (50) are arranged in the annular body (20), and the filter element (40) is positioned above the rotational flow mechanism (50);
the method is characterized in that:
the swirling mechanism (50) includes: an oil inlet pipe (51), an oil outlet pipe (52), a shell (53), a positioning ring (54), a spiral plate (55), a fixing column (56), a shunt pipe (57), a settling pipe (58) and a support rod (59);
the shell (53) is a hollow cylinder and is fixed at the lower position in the annular body (20) through a plurality of support rods (59), the shell (53) and the annular body (20) are coaxial and are not in contact with each other, the fixed column (56) is fixed in the shell (53), the outer side wall surface of the fixed column (56) fixed by the spiral plate (55) is attached to the outer edge of the outer side wall surface of the shell (53), the outer edge of the outer side wall surface of the fixed column is attached to the side wall of the shell (53), the upper end and the lower end of the fixed column (56) are respectively attached to the top plate and the bottom plate of the shell (53), and a channel outlet (532;
one end of the oil inlet pipe (51) is connected to the upper part of the shell (53) and communicated with the spiral channel (531), and the other end of the oil inlet pipe penetrates through the annular body (20);
the settling tube (58) is connected at a channel outlet (532);
one end of the shunt pipe (57) is connected to the middle part of the outer peripheral surface of the shell (53) and communicated with the spiral channel (531), and the other end of the shunt pipe penetrates through the lower part of the outer peripheral surface of the shell (53) and extends into the shell (53) and is communicated with the settling pipe (58);
the positioning ring (54) is coaxially fixed on the upper surface of the shell (53), an oil outlet pipe (52) is arranged on the peripheral surface of the positioning ring (54), and the oil outlet pipe (52) penetrates through the annular body (20);
the filter element is arranged in the annular body (20) and is clamped between the upper cover (10) and the positioning ring (54);
the lowest end of the water collecting cup (30) is provided with a drainage device (31).
2. The oil-water separator for a diesel vehicle as set forth in claim 1, wherein: the filter element (40) is a hollow cylinder comprising: roof (41), annular filter material (42), bottom plate (43), open at the center of bottom plate (43) has oil guide hole (431), open the bottom surface of bottom plate (43) have with holding ring (54) size assorted annular positioning groove (432), filter core (40) and ring body (20) contactless, be provided with the spring between filter core (40) and upper cover (10).
3. The oil-water separator for a diesel vehicle as set forth in claim 1, wherein: the pipe diameter of the settling pipe (58) is larger than the main pipe diameter of the spiral channel (531) and the shunt pipe (57).
4. The oil-water separator for a diesel vehicle as set forth in claim 1, wherein: the spiral plate (55) gradually reduces the pitch from top to bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011466277.5A CN112604323A (en) | 2020-12-14 | 2020-12-14 | Oil-water separator of diesel vehicle |
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CN202011466277.5A CN112604323A (en) | 2020-12-14 | 2020-12-14 | Oil-water separator of diesel vehicle |
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CN112604323A true CN112604323A (en) | 2021-04-06 |
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CN202011466277.5A Pending CN112604323A (en) | 2020-12-14 | 2020-12-14 | Oil-water separator of diesel vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113663403A (en) * | 2021-08-27 | 2021-11-19 | 山西潞安太行润滑科技股份有限公司 | Useless lubricating oil recovery that possesses preprocessing function is with collection device |
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CN101972559A (en) * | 2010-10-21 | 2011-02-16 | 天津大学 | Oil-water separating device and method |
CN103585848A (en) * | 2013-11-26 | 2014-02-19 | 博恩(南通)石化设备有限公司 | Combined coalescer |
CN107252742A (en) * | 2017-06-26 | 2017-10-17 | 东北石油大学 | One kind degassing oil removing waterpower coalescing devices |
CN109718953A (en) * | 2019-01-11 | 2019-05-07 | 广东环境保护工程职业学院 | A kind of cyclone separator for coal-burning boiler |
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2020
- 2020-12-14 CN CN202011466277.5A patent/CN112604323A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101296738A (en) * | 2005-06-28 | 2008-10-29 | 斯巴克技术革新股份有限公司 | Separator for separating a solid, liquid and/or gas mixture |
CN101972559A (en) * | 2010-10-21 | 2011-02-16 | 天津大学 | Oil-water separating device and method |
CN103585848A (en) * | 2013-11-26 | 2014-02-19 | 博恩(南通)石化设备有限公司 | Combined coalescer |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113663403A (en) * | 2021-08-27 | 2021-11-19 | 山西潞安太行润滑科技股份有限公司 | Useless lubricating oil recovery that possesses preprocessing function is with collection device |
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