CN113617069A - Petroleum separation device based on density separation method and separation method thereof - Google Patents
Petroleum separation device based on density separation method and separation method thereof Download PDFInfo
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- CN113617069A CN113617069A CN202111178815.5A CN202111178815A CN113617069A CN 113617069 A CN113617069 A CN 113617069A CN 202111178815 A CN202111178815 A CN 202111178815A CN 113617069 A CN113617069 A CN 113617069A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
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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
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0211—Separation of non-miscible liquids by sedimentation with baffles
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- 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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Abstract
The invention discloses an oil separation device based on a density separation method and a separation method thereof, belonging to the technical field of oil exploitation. Get into the centrifugation bucket behind the oil extraction, through the rotatory centrifugation of carousel, gas outgoing and layering speed accelerate, then the oil reservoir flows through oil collecting mechanism, and silt layer and water layer discharge through the scum pipe to make the discharged water layer wash the centrifugation bucket repeatedly through drive mechanism and washing mechanism, realize the automatically cleaning.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to an oil separation device based on a density separation method and a separation method thereof.
Background
The petroleum extraction usually adopts the well drilling mode to extract crude oil from underground, the petroleum that comes from exploitation usually is the mixture of oil, gas, water and silt, therefore need separate it, separate petroleum and other impurity, the separation mode adopts the density separation method at present, namely through the density difference of oil, water, silt, make petroleum stand and stratify, gas overflows automatically, silt is located the lowest floor of liquid, water is in the middle floor, oil is in the top floor, then extract the oil reservoir of the top floor, realize the petroleum separation, however, the present separator stratification speed is slow, and it is easy to absorb the water layer of the middle part when extracting the oil reservoir, and the silt layer of the bottom is difficult to clear up finally, influence the subsequent separation process, propose a petroleum separator and separation method based on density separation method for this reason we are used for solving the above-mentioned problem.
Disclosure of Invention
The invention aims to provide a petroleum separation device based on a density separation method and a separation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an oil separator based on density separation method, includes centrifugal barrel, defeated oil pipe is fixed to cup joint at one side top of centrifugal barrel, centrifugal barrel inner chamber bottom rotates and cup joints the carousel, the bottom surface fixed mounting of centrifugal barrel has the motor, the output shaft fixed connection carousel of motor, a plurality of blades of top surface fixed mounting of carousel, install drive mechanism between the top surface of blade and the centrifugal barrel, drive mechanism connects and washes the mechanism, defeated oil pipe's a side bottom installation oil collecting mechanism is kept away from to the centrifugal barrel, the one end of scum pipe is cup jointed to the fixed one end that cup joints on the centrifugal barrel bottom plate of oil collecting mechanism department, the other end fixed one side top that cup joints the header of scum pipe, fixed mounting filter plate in the header, the bottom fixed drain pipe that cup joints of header, the inner chamber connection washing mechanism of header.
The preferable embodiment case, the carousel is the round platform structure, all install the solenoid valve on scum pipe and the drain pipe, the filter plate slope installation, and it has the discharge gate to open on the header tank lateral wall of filter plate bottom, the inner wall fixed mounting level sensor of centrifugal bucket.
An embodiment of preferred, oil collecting mechanism is including leading to the groove, lead to the one end that the inslot wall is close to the centrifugation bucket inner chamber and install the kickboard, lead to the other end fixed mounting direction net of inslot wall, the outer wall of direction net laminating kickboard, fixed mounting oil collecting box on the centrifugation bucket outer wall that leads to the inslot side, oil collecting box's bottom fixed cup joints goes out the oil pipe, the articulated sealing door's of centrifugation bucket outer wall of oil collecting box inner chamber department one side, install hydraulic ram between sealing door's opposite side and the oil collecting box inner wall, the outer wall of sealing door laminating direction net.
An embodiment of the optimization, the kickboard includes a plurality of floating frames, and a plurality of floating frames are U type structure, the floating frame inner chamber forms the block chamber, block chamber open end is towards the bottom plate of centrifuge bucket, each the equal fixed mounting second sealing washer of top outer wall of floating frame, the equal fixed mounting first sealing washer in inner wall bottom in block chamber, a plurality of floating frames from the top down thickness reduce in proper order, the top slip joint of floating frame is in the block intracavity of the floating frame of adjacent top, the outer wall of adjacent floating frame of closely laminating of first sealing washer, the inner wall in the block chamber of adjacent floating frame of closely laminating of second sealing washer, the below the bottom plate of floating frame fixed connection centrifuge bucket, and the density of floating frame is less than water and is greater than the density of crude petroleum oil.
An embodiment of preferred, drive mechanism includes the connecting rod, the one end of the top fixed connection connecting rod of blade, the other end fixed connection ring gear of connecting rod, the ring gear rotates the inner wall of joint centrifugal barrel, the outer wall fixed mounting connecting block of centrifugal barrel, the pivot is cup jointed in the connecting block internal rotation, drive gear is cup jointed to the bottom of pivot fixedly, drive gear meshing ring gear, the slip joint sliding frame in the connecting block, the inner chamber and the fixed half gear that cup joints of sliding frame are run through to the top of pivot, the equal fixed mounting rack of both sides inner wall of sliding frame, rack toothing half gear, the one end wall connection of sliding frame washes the mechanism.
In a preferred embodiment, the top inner wall of the centrifugal barrel and the inside of the connecting block are respectively provided with a clamping toothed ring and a guide groove of the sliding frame.
An embodiment of preferred, it includes the seal box to wash the mechanism, seal box fixed mounting is on the outer wall of connecting block, the one end of drinking-water pipe is cup jointed to one side fixed of seal box, the lateral wall bottom that the header tank was cup jointed to the other end fixed of drinking-water pipe, the one end of flushing pipe is cup jointed to the opposite side fixed of seal box, the top of centrifugation bucket is run through to the other end of flushing pipe, the check valve is all installed to the one end that drinking-water pipe and flushing pipe are close to the seal box, the seal box is close to fixed mounting rubber diaphragm on the one end inner wall of connecting block, the sliding sleeve connects the push-and-pull rod between seal box and the connecting block, the outer wall of the one end fixed connection sliding frame of push-and-pull rod, the other end fixed connection rubber diaphragm of push-and-pull rod.
In a preferred embodiment, the rubber diaphragm is of a spherical structure, the cross section of the rubber diaphragm is internally tangent to the inner wall of the sealing box, the check valve in the water pumping pipe allows the flow direction to flow to the sealing box for the water collecting tank, and the check valve in the flushing pipe allows the flow direction to flow to the centrifugal barrel for the sealing box.
A petroleum separation method based on a density separation method comprises the following steps.
S1, conveying oil into the centrifugal barrel through the oil conveying pipe after the oil is mined from the underground, monitoring the oil level in the centrifugal barrel through the liquid level sensor to enable the liquid level to be lower than the height of the flushing pipe, closing the sealing door under the thrust of the hydraulic push rod, closing the valve in the slag discharging pipe, opening the valve in the water discharging pipe, sealing the centrifugal barrel, and discharging residual water in the water collecting tank from the water discharging pipe to finish feeding.
S2, after petroleum is fed, the motor drives the rotary table to rotate, the rotary table drives the petroleum to rotate through the blades and the connecting rod, the petroleum is centrifuged, air in the petroleum is accelerated to be discharged, the oil, water and silt are layered due to different densities, then the motor stops, the petroleum stands, and the petroleum is divided into a silt layer, a water layer and an oil layer from bottom to top in the centrifugal barrel, so that centrifugal separation is realized.
S3, after centrifugal separation, the floating plate floats upwards to the oil-water separation surface under the buoyancy of the water layer, then the sealing door is opened, the bottom surface of the guide net is sealed by the floating plate, the upper mesh of the guide net is exposed, the oil layer flows into the oil collecting box through the upper mesh of the guide net and finally flows out through the oil outlet pipe to realize oil layer collection, then the valve in the drainage pipe is closed, the valve in the residue discharge pipe is opened, the motor is opened again at the moment, the motor drives the rotary table to rotate, the residual silt and the water layer are discharged from the residue discharge pipe, the silt and the water enter the water collecting tank, the filter plate filters the silt, the silt is discharged from the discharge port after being filtered, and the water falls into the bottom of the water collecting tank to be collected for later use.
S4, when silt and water are discharged, the rotary disc rotates to enable the connecting rod to drive the gear ring to rotate, the gear ring drives the transmission gear to rotate, the transmission gear drives the half gear to continuously rotate through the rotating shaft, the half gear is alternately meshed with the racks on two sides of the sliding frame, the sliding frame is enabled to reciprocate at a constant speed, the sliding frame reciprocates to enable the push-pull rod to push and pull the rubber diaphragm, when the rubber diaphragm is pulled, the inner cavity of the sealing box extracts water in the water collecting tank through the water pumping pipe and the one-way valve, when the rubber diaphragm is pushed, the water in the sealing box is sprayed out through the washing pipe to wash the bottom surface of the centrifugal barrel, so that residual silt is completely discharged from the slag discharging pipe, water layers separated by the sealing box are circulated, self-cleaning in the centrifugal barrel is realized, after the cleaning is finished, the motor stops, the water is completely collected in the water collecting tank, at the moment, the sealing door is closed under the thrust of the hydraulic push rod, and the valve in the slag discharging pipe is closed, and when the valve in the drainage pipe is opened, the centrifugal barrel is sealed, moisture in the water collecting tank is drained from the drainage pipe, and then the material can be fed and separated again.
Compared with the prior art, the invention has the following beneficial effects.
1. Get into the centrifugation bucket after the oil extraction, the motor drives the carousel and rotates, and the carousel passes through blade and connecting rod and drives the oil rotation fast for the oil is centrifuged, and the air escape in the oil with higher speed to make oil, water and silt layering fast because of the density difference, then the motor stops, and the oil stews, from up once dividing into silt layer, water layer and oil reservoir down in the centrifugation bucket, improves the layering speed.
2. The kickboard floats to the profit cell surface under the buoyancy of water layer, then opens sealing door, and the direction net bottom surface is sealed by the kickboard this moment, and the mesh of direction net upper portion exposes, then in the oil reservoir flows into the collection oil box through direction net upper strata mesh, finally flows through an oil pipe, makes the unable outflow of water layer through the kickboard, guarantees the separation precision.
3. The transmission mechanism is linked with the flushing mechanism, when silt and water are discharged, the turntable rotates, so that the connecting rod drives the gear ring to rotate, the gear ring drives the transmission gear to rotate, the transmission gear drives the half gear to continuously rotate through the rotating shaft, then the half gear is alternately meshed with the racks on the two sides of the sliding frame, thereby leading the sliding frame to reciprocate at a constant speed, leading the push-pull rod to push and pull the rubber diaphragm by the reciprocating movement of the sliding frame, when the rubber diaphragm is pulled, the water in the water collecting tank is pumped by the inner cavity of the sealing box through the water pumping pipe and the one-way valve, when the rubber diaphragm is pushed, the water in the sealing box is sprayed out through the flushing pipe, thereby flushing the bottom surface of the centrifugal barrel, discharging residual silt completely from the slag discharge pipe, circulating through a water layer separated by the centrifugal barrel to realize self-cleaning in the centrifugal barrel, through washing and rotating with the rotary disc, the bottom of the centrifugal barrel is cleaned up, and subsequent separation is facilitated.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic cross-sectional front view of the present invention.
FIG. 3 is an enlarged structural view of the structure A in FIG. 2 according to the present invention.
FIG. 4 is a schematic top sectional view of the transmission mechanism of the present invention.
FIG. 5 is an enlarged structural diagram of the structure B in FIG. 4 according to the present invention.
In the figure: 1. a centrifuge bucket; 2. an oil delivery pipe; 3. a motor; 4. a turntable; 5. a blade; 6. a transmission mechanism; 61. a connecting rod; 62. a toothed ring; 63. connecting blocks; 64. a transmission gear; 65. a rotating shaft; 66. a half gear; 67. a sliding frame; 68. a rack; 7. a flushing mechanism; 71. a sealing box; 72. a water pumping pipe; 73. a flush tube; 74. a rubber diaphragm; 75. a push-pull rod; 8. an oil collecting mechanism; 81. a through groove; 82. a floating plate; 821. a floating frame; 822. a clamping cavity; 823. a first seal ring; 824. a second seal ring; 83. a guide net; 84. a sealing door; 85. an oil collecting box; 86. an oil outlet pipe; 9. a slag discharge pipe; 10. a water collection tank; 11. filtering the plate; 12. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a petroleum separation device based on density separation method, including centrifugal barrel 1, defeated oil pipe 2 is fixedly cup jointed at one side top of centrifugal barrel 1, 1 inner chamber bottom of centrifugal barrel rotates and cup joints carousel 4, 1 bottom surface fixed mounting of centrifugal barrel has motor 3, the output shaft fixed connection carousel 4 of motor 3, a plurality of blades 5 of top surface fixed mounting of carousel 4, install drive mechanism 6 between the top surface of blade 5 and the centrifugal barrel 1, drive mechanism 6 connects flushing mechanism 7, centrifugal barrel 1 keeps away from one side bottom installation defeated oil pipe 2 and constructs 8, the fixed one end that connects row's cinder pipe 9 that overlaps on the centrifugal barrel 1 bottom plate of collection mechanism 8 department, the fixed one side top that cup joints header 10 that cup joints of the other end of cinder pipe 9, fixed mounting filter plate 11 in the header tank 10, the fixed drain pipe 12 that cup joints in the bottom of header tank 10, flushing mechanism 7 is connected to the inner chamber of header tank 10. Get into centrifuge bucket 1 after the oil extraction, through the rotatory centrifugation of carousel 4, gas outgoing and layering speed accelerate, then the oil reservoir flows out through collection oil mechanism 8, and silt layer and water layer are discharged through scum pipe 9 to make the discharged water layer wash centrifuge bucket 1 repeatedly through drive mechanism 6 and washing mechanism 7, realize the automatically cleaning.
The rotary table 4 is of a circular truncated cone structure, electromagnetic valves are mounted on the slag discharge pipe 9 and the water discharge pipe 12, silt, a water layer and flowing are facilitated, the filter plate 11 is mounted in an inclined mode, a discharge hole is formed in the side wall of the water collection tank 10 at the bottom of the filter plate 11, and a liquid level sensor is fixedly mounted on the inner wall of the centrifugal barrel 1, so that crude oil entering height can be conveniently controlled.
The oil collecting mechanism 8 comprises a through groove 81, a floating plate 82 is arranged at one end of the inner wall of the through groove 81 close to the inner cavity of the centrifugal barrel 1, a guide net 83 is fixedly arranged at the other end of the inner wall of the through groove 81, the guide net 83 is attached to the outer wall of the floating plate 82, an oil collecting box 85 is fixedly arranged on the outer wall of the centrifugal barrel 1 at the outer side of the through groove 81, an oil outlet pipe 86 is fixedly sleeved at the bottom of the oil collecting box 85, the outer wall of the centrifugal barrel 1 at the inner cavity of the oil collecting box 85 is hinged to one side of a sealing door 84, a hydraulic push rod is arranged between the other side of the sealing door 84 and the inner wall of the oil collecting box 85, the sealing door 84 is attached to the outer wall of the guide net 83, the floating plate 82 comprises a plurality of floating frames 821, the plurality of floating frames are all of U-shaped structures, a clamping cavity 822 is formed in the inner cavity of the floating frame 821, the opening end of the clamping cavity 822 faces to the bottom plate of the centrifugal barrel 1, a second sealing ring 824 is fixedly arranged on the outer wall at the top of each floating frame 821, a first sealing ring 823 is fixedly arranged at the bottom of the inner wall of the clamping cavity 822, the thicknesses of the floating frames 821 are reduced from top to bottom in sequence, the tops of the floating frames 821 are slidably clamped in the clamping cavities 822 of the adjacent floating frames 821 above, the first sealing rings 823 are tightly attached to the outer walls of the adjacent floating frames 821, the second sealing rings 824 are tightly attached to the inner walls of the clamping cavities 822 of the adjacent floating frames 821, the floating frame 821 at the lowest position is fixedly connected with the bottom plate of the centrifugal barrel 1, the density of the floating frames 821 is smaller than that of water and larger than that of petroleum crude oil, after centrifugal separation, the floating plate 82 floats upwards to an oil-water separation surface under the buoyancy of a water layer, then the sealing door 84 is opened, the bottom surface of the guide net 83 is sealed by the floating plate 82 at the moment, meshes at the upper part of the guide net 83 are exposed, an oil layer flows into the oil collecting box 85 through the meshes at the upper part of the guide net 83, finally flows out through the oil outlet pipe 86, the water layer cannot flow out through the floating plate 82, and separation precision is guaranteed.
Further, the top inner wall of the centrifugal barrel 1 and the inside of the connecting block 63 are respectively provided with a guide groove for clamping the gear ring 62 and the sliding frame 67.
The flushing mechanism 7 comprises a sealing box 71, the sealing box 71 is fixedly installed on the outer wall of the connecting block 63, one side of the sealing box 71 is fixedly sleeved with one end of a water pumping pipe 72, the other end of the water pumping pipe 72 is fixedly sleeved with the bottom of the side wall of the water collecting tank 10, the other side of the sealing box 71 is fixedly sleeved with one end of a flushing pipe 73, the other end of the flushing pipe 73 penetrates through the top of the centrifugal barrel 1, one ends, close to the sealing box 71, of the water pumping pipe 72 and the flushing pipe 73 are respectively provided with a one-way valve, a rubber diaphragm 74 is fixedly installed on the inner wall of one end, close to the connecting block 63, of the sealing box 71, a push-pull rod 75 is slidably sleeved between the sealing box 71 and the connecting block 63, one end of the push-pull rod 75 is fixedly connected with the outer wall of the sliding frame 67, and the other end of the push-pull rod 75 is fixedly connected with the rubber diaphragm 74.
Further, the rubber diaphragm 74 is of a spherical structure, the cross section of the rubber diaphragm 74 is internally tangent to the inner wall of the sealing box 71, the check valve in the pumping pipe 72 allows the water to flow to the sealing box 71 for the water collection tank 10, and the check valve in the flushing pipe 73 allows the water to flow to the centrifugal barrel 1 for the sealing box 71.
The transmission mechanism 6 and the flushing mechanism 7 are linked, when silt and water are discharged, the rotary disc 4 rotates, the connecting rod 61 drives the toothed ring 62 to rotate, the toothed ring 62 drives the transmission gear 64 to rotate, the transmission gear 64 drives the half gear 66 to continuously rotate through the rotating shaft 65, the half gear 66 is alternately meshed with the racks 68 on two sides of the sliding frame 67, so that the sliding frame 67 moves at a constant speed in a reciprocating manner, the sliding frame 67 moves in a reciprocating manner, the push-pull rod 75 pushes and pulls the rubber diaphragm 74, when the rubber diaphragm 74 is pulled, the water in the water collecting tank 10 is pumped out from the inner cavity of the sealing box 71 through the water pumping pipe 72 and the one-way valve, when the rubber diaphragm 74 is pushed, the water in the sealing box 71 is sprayed out through the flushing pipe 73, so that the bottom surface of the centrifugal barrel 1 is flushed, the residual silt is completely discharged from the slag discharge pipe 9, water layers separated by the self-flushing mechanism circulate, self-cleaning in the centrifugal barrel 1 is realized, and the rotary disc 4 rotates through flushing combination, so that the bottom of the centrifugal barrel 1 is cleaned and the subsequent separation is convenient.
A petroleum separation method based on a density separation method comprises the following steps.
S1, after oil is mined from the underground, the oil is conveyed into the centrifugal barrel 1 through the oil conveying pipe 2, the oil level in the centrifugal barrel 1 is monitored through the liquid level sensor, the liquid level is lower than the height of the flushing pipe 73, at the moment, the sealing door 84 is closed under the thrust of the hydraulic push rod, the valve in the slag discharging pipe 9 is closed, the valve in the water discharging pipe 12 is opened, the centrifugal barrel 1 is sealed, and residual water in the water collecting tank 10 is discharged from the water discharging pipe 12; and (4) finishing the feeding of the petroleum.
S2, after petroleum is fed, the motor 3 drives the rotary table 4 to rotate, the rotary table 4 drives the petroleum to rotate rapidly through the blades 5 and the connecting rods 61, the petroleum is centrifuged, air in the petroleum is discharged in an accelerated mode, the oil, water and silt are layered rapidly due to different densities, then the motor 3 stops, the petroleum stands still, and the petroleum is divided into a silt layer, a water layer and an oil layer from bottom to top in the centrifugal barrel 1 for one time, so that centrifugal separation is achieved.
S3, after centrifugal separation, the floating plate 82 floats upwards to the oil-water separation surface under the buoyancy of the water layer, then the sealing door 84 is opened, the bottom surface of the guide net 83 is sealed by the floating plate 82, the upper mesh of the guide net 83 is exposed, the oil layer flows into the oil collecting box 85 through the upper mesh of the guide net 83, finally flows out through the oil outlet pipe 86 to realize oil layer collection, then the valve in the drain pipe 12 is closed, the valve in the slag discharge pipe 9 is opened, the motor 3 is opened again at the moment, the motor 3 drives the rotary table 4 to rotate, residual silt and the water layer are discharged from the slag discharge pipe 9, the silt and the water enter the water collecting tank 10, the filter plate 11 filters the silt and the water is discharged from the discharge port after the silt is filtered, and the water falls into the bottom of the water collecting tank 10 to be collected for later use.
S4, when silt and water are discharged, the rotary disc 4 rotates, the connecting rod 61 drives the gear ring 62 to rotate, the gear ring 62 drives the transmission gear 64 to rotate, the transmission gear 64 drives the half gear 66 to continuously rotate through the rotating shaft 65, the half gear 66 is alternately meshed with the racks 68 on two sides of the sliding frame 67, so that the sliding frame 67 moves at a constant speed in a reciprocating manner, the sliding frame 67 moves in a reciprocating manner, the push-pull rod 75 pushes and pulls the rubber diaphragm 74, when the rubber diaphragm 74 is pulled, water in the water collecting tank 10 is pumped out from the inner cavity of the sealing box 71 through the water pumping pipe 72 and the one-way valve, when the rubber diaphragm 74 is pushed, the water in the sealing box 71 is sprayed out through the washing pipe 73, so that the bottom surface of the centrifugal barrel 1 is washed, the residual silt is completely discharged from the slag discharging pipe 9, water layers separated by the sealing box are circulated, self-cleaning in the centrifugal barrel 1 is realized, after the cleaning is finished, the motor 3 stops, and the water is completely collected in the water collecting tank 10, at the moment, the sealing door 84 is closed under the thrust of the hydraulic push rod, the valve in the slag discharge pipe 9 is closed, the valve in the water discharge pipe 12 is opened, the centrifugal barrel 1 is sealed, moisture in the water collection tank 10 is discharged from the water discharge pipe 12, and feeding and separation can be carried out again.
The working principle is as follows: when the invention is used, after oil is mined from the underground, the oil is conveyed into the centrifugal barrel 1 through the oil conveying pipe 2, the liquid level in the centrifugal barrel 1 is monitored through the liquid level sensor, so that the liquid level is lower than the height of the flushing pipe 73, at the moment, the sealing door 84 is closed under the thrust of the hydraulic push rod, the valve in the slag discharging pipe 9 is closed, the valve in the water discharging pipe 12 is opened, the centrifugal barrel 1 is sealed, the residual water in the water collecting tank 10 is discharged from the water discharging pipe 12, the feeding is completed, then the motor 3 drives the rotary disc 4 to rotate, the rotary disc 4 rapidly drives the oil to rotate through the blades 5 and the connecting rods 61, so that the oil is centrifuged, the air discharge in the oil is accelerated, the oil, the water and the silt are rapidly layered due to different densities, then the motor 3 stops, the oil stands, the oil is once divided into a silt layer, a water layer and an oil layer from bottom to top in the centrifugal barrel 1, the centrifugal separation is realized, and after the centrifugal separation, the floating plate 82 floats up to the oil-water separation surface under the buoyancy of the water layer, then the sealing door 84 is opened, the bottom surface of the guide net 83 is sealed by the floating plate 82, the mesh at the upper part of the guide net 83 is exposed, the oil layer flows into the oil collecting box 85 through the mesh at the upper layer of the guide net 83, finally flows out through the oil outlet pipe 86 to realize oil layer collection, then the valve in the drain pipe 12 is closed, the valve in the slag discharge pipe 9 is opened, the motor 3 is opened again at the moment, the motor 3 drives the rotary disc 4 to rotate, the residual silt and the water layer are discharged from the slag discharge pipe 9, after the silt and the water enter the water collecting tank 10, the filter plate 11 filters, the silt is discharged from the discharge port after being filtered, the water falls into the bottom of the water collecting tank 10 to be collected for standby, when the silt and the water are discharged, the rotary disc 4 rotates, the connecting rod 61 drives the toothed ring 62 to rotate, the toothed ring 62 drives the transmission gear 64 to rotate, the transmission gear 64 drives the semi-gear 66 to continuously rotate through the rotating shaft 65, the half gear 66 is alternatively engaged with the racks 68 on both sides of the sliding frame 67, so that the sliding frame 67 moves at a constant speed in a reciprocating manner, the sliding frame 67 moves in a reciprocating manner, so that the push-pull rod 75 pushes and pulls the rubber diaphragm 74, when the rubber diaphragm 74 is pulled, the water in the water collection tank 10 is pumped by the water pumping pipe 72 and the one-way valve in the inner cavity of the sealing box 71, when the rubber diaphragm 74 is pushed, the water in the sealing box 71 is sprayed out through the flushing pipe 73, so that the bottom surface of the centrifugal barrel 1 is flushed, so that residual silt is completely discharged from the slag discharge pipe 9, and the water layer separated by the self-cleaning machine is circulated, so that the self-cleaning in the centrifugal barrel 1 is realized, after the cleaning is finished, the motor 3 is stopped, the water is completely collected in the water collection tank 10, at the moment, the sealing door 84 is closed under the pushing force of the hydraulic push rod, the valve in the slag discharge pipe 9 is closed, the valve in the water discharge pipe 12 is opened, the centrifugal barrel 1 is sealed, the water in the water collection tank 10 is discharged from the water discharge pipe 12, the feed separation can be performed again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A petroleum separation device based on a density separation method comprises a centrifugal barrel (1), and is characterized in that: the oil conveying pipe (2) is fixedly sleeved at the top of one side of the centrifugal barrel (1), the turntable (4) is sleeved at the bottom of the inner cavity of the centrifugal barrel (1) in a rotating mode, the motor (3) is fixedly installed at the bottom of the bottom surface of the centrifugal barrel (1), the output shaft fixed connection turntable (4) of the motor (3), the plurality of blades (5) are fixedly installed at the top surface of the turntable (4), the transmission mechanism (6) is installed between the top surfaces of the blades (5) and the centrifugal barrel (1), the transmission mechanism (6) is connected with the washing mechanism (7), the oil collecting mechanism (8) is installed at the bottom of one side, away from the oil conveying pipe (2), of the centrifugal barrel (1), at the position of the oil collecting mechanism (8), of the slag discharging pipe (9) is fixedly sleeved on the bottom plate of the centrifugal barrel (1), the top of one side of the water collecting tank (10) is fixedly sleeved on the other end of the slag discharging pipe (9), and the filter plate (11) is fixedly installed in the water collecting tank (10), the bottom of the water collecting tank (10) is fixedly sleeved with a drain pipe (12), and the inner cavity of the water collecting tank (10) is connected with a flushing mechanism (7).
2. The oil separating device based on the density separation method according to claim 1, characterized in that: carousel (4) are the round platform structure, all install the solenoid valve on scum pipe (9) and drain pipe (12), filter plate (11) slope installation, and it has the discharge gate to open on header tank (10) lateral wall of filter plate (11) bottom, the inner wall fixed mounting level sensor of centrifugation bucket (1).
3. The oil separating device based on the density separation method according to claim 1, characterized in that: oil collecting mechanism (8) are including leading to groove (81), open the outer wall bottom of centrifugation bucket (1) has logical groove (81), floating plate (82) are installed to the one end that leads to groove (81) inner wall and be close to centrifugation bucket (1) inner chamber, the other end fixed mounting direction net (83) that leads to groove (81) inner wall, the outer wall of direction net (83) laminating floating plate (82), fixed mounting oil collecting box (85) on the centrifugation bucket (1) outer wall in logical groove (81) outside, the bottom fixed socket of oil collecting box (85) goes out oil pipe (86), one side of the articulated sealing door (84) of centrifugation bucket (1) outer wall of oil collecting box (85) inner chamber department, install hydraulic ram between the opposite side of sealing door (84) and oil collecting box (85) inner wall, the outer wall of sealing door (84) laminating direction net (83).
4. The oil separating apparatus based on density separation method according to claim 3, wherein: the floating plate (82) comprises a plurality of floating frames (821), the floating frames (821) are of U-shaped structures, the inner cavities of the floating frames (821) form clamping cavities (822), the opening ends of the clamping cavities (822) face the bottom plate of the centrifugal barrel (1), the outer wall of the top of each floating frame (821) is fixedly provided with a second sealing ring (824), the bottom of the inner wall of each clamping cavity (822) is fixedly provided with a first sealing ring (823), the thicknesses of the floating frames (821) are sequentially reduced from top to bottom, the tops of the floating frames (821) are slidably clamped in the clamping cavities (822) of the floating frames (821) above the adjacent floating frames in a sliding mode, the first sealing rings (823) are tightly attached to the outer walls of the adjacent floating frames (821), the second sealing rings (824) are tightly attached to the inner walls of the clamping cavities (822) of the adjacent floating frames (821), and the floating frames (821) below are fixedly connected with the bottom plate of the centrifugal barrel (1), and the density of the floating frame (821) is less than that of water and greater than that of petroleum crude oil.
5. The oil separating device based on the density separation method according to claim 1, characterized in that: the transmission mechanism (6) comprises a connecting rod (61), the top of the blade (5) is fixedly connected with one end of the connecting rod (61), the other end of the connecting rod (61) is fixedly connected with a toothed ring (62), the outer wall of the centrifugal barrel (1) is fixedly provided with a connecting block (63), a rotating shaft (65) is rotatably sleeved in the connecting block (63), a transmission gear (64) is fixedly sleeved at the bottom of the rotating shaft (65), the transmission gear (64) is meshed with the gear ring (62), the connecting block (63) is in sliding clamping connection with the sliding frame (67), the top of the rotating shaft (65) penetrates through the inner cavity of the sliding frame (67) and is fixedly sleeved with a half gear (66), the inner walls of two sides of the sliding frame (67) are fixedly provided with racks (68), the racks (68) are meshed with the half gear (66), and the outer wall of one end of the sliding frame (67) is connected with the flushing mechanism (7).
6. The oil separating device based on the density separation method according to claim 5, wherein: the top inner wall of centrifugation bucket (1) and the inside of connecting block (63) all opened the guide way, guide way internal rotation joint ring gear (62) on centrifugation bucket (1), the guide way in connecting block (63) rotates joint drive gear.
7. The oil separating device based on the density separation method according to claim 1, characterized in that: the washing mechanism (7) comprises a sealing box (71), the sealing box (71) is fixedly installed on the outer wall of the connecting block (63), one end of a water pumping pipe (72) is fixedly sleeved on one side of the sealing box (71), the bottom of the side wall of the water collecting tank (10) is fixedly sleeved on the other end of the water pumping pipe (72), one end of a flushing pipe (73) is fixedly sleeved on the other side of the sealing box (71), the other end of the flushing pipe (73) penetrates through the top of the centrifugal barrel (1), one ends, close to the sealing box (71), of the water pumping pipe (72) and the flushing pipe (73) are respectively provided with a check valve, a rubber diaphragm (74) is fixedly installed on the inner wall of one end, close to the connecting block (63), of the sealing box (71) and the connecting block (63) are slidably sleeved with a push-pull rod (75), one end of the push-pull rod (75) is fixedly connected with the outer wall of one end of a sliding frame (67), the other end of the push-pull rod (75) is fixedly connected with a rubber diaphragm (74).
8. The oil separating device based on the density separation method according to claim 7, wherein: the rubber diaphragm (74) is of a spherical structure, the cross section of the rubber diaphragm (74) is internally tangent to the inner wall of the sealing box (71), the one-way valve in the water pumping pipe (72) allows the flow direction to flow to the sealing box (71) for the water collecting tank (10), and the one-way valve in the flushing pipe (73) allows the flow direction to flow to the centrifugal barrel (1) for the sealing box (71).
9. A method for separating petroleum by the petroleum separation apparatus based on the density separation method according to any one of claims 1 to 8, comprising the steps of:
s1, after oil is mined from the underground, the oil is conveyed into a centrifugal barrel (1) through an oil conveying pipe (2), the oil level in the centrifugal barrel (1) is monitored through a liquid level sensor, so that the liquid level is lower than the height of a flushing pipe (73), a sealing door (84) is closed under the thrust of a hydraulic push rod at the moment, an inner valve of a slag discharging pipe (9) is closed, an inner valve of a water discharging pipe (12) is opened, the centrifugal barrel (1) is sealed, and residual water in a water collecting tank (10) is discharged from the water discharging pipe (12) to finish feeding;
s2, after petroleum is fed, the motor (3) drives the rotary table (4) to rotate, the rotary table (4) drives the petroleum to rotate through the blades (5) and the connecting rod (61), so that the petroleum is centrifuged, air in the petroleum is exhausted in an accelerated mode, the oil, water and silt are layered due to different densities, then the motor (3) stops, the petroleum stands still, and the centrifugal barrel (1) is divided into a silt layer, a water layer and an oil layer from bottom to top, so that centrifugal separation is achieved;
s3, after centrifugal separation, the floating plate (82) floats upwards to an oil-water separation surface under the buoyancy of a water layer, then the sealing door (84) is opened, the bottom surface of the guide net (83) is sealed by the floating plate (82), the upper mesh of the guide net (83) is exposed, an oil layer flows into the oil collecting box (85) through the upper mesh of the guide net (83), finally flows out through the oil outlet pipe (86) to realize oil layer collection, then the valve in the drain pipe (12) is closed, the valve in the slag discharge pipe (9) is opened, the motor (3) is opened again at the moment, the motor (3) drives the turntable (4) to rotate, residual silt and the water layer are discharged from the slag discharge pipe (9), the silt and the water enter the water collecting tank (10), the filter plate (11) filters the silt and the water are discharged from the discharge port, and the water falls into the bottom of the water collecting tank (10) to be collected for later use;
s4, when silt and water are discharged, the rotary disc (4) rotates to enable the connecting rod (61) to drive the gear ring (62) to rotate, the gear ring (62) drives the transmission gear (64) to rotate, the transmission gear (64) drives the half gear (66) to continuously rotate through the rotating shaft (65), the half gear (66) is alternately meshed with the racks (68) on the two sides of the sliding frame (67), so that the sliding frame (67) moves in a reciprocating mode at a constant speed, the sliding frame (67) moves in a reciprocating mode to enable the push-pull rod (75) to push and pull the rubber diaphragm (74), when the rubber diaphragm (74) is pulled, the inner cavity of the sealing box (71) extracts the water in the water collecting tank (10) through the water pumping pipe (72) and the one-way valve, when the rubber diaphragm (74) is pushed, the water in the sealing box (71) is sprayed out through the washing pipe (73), so that the bottom surface of the centrifugal barrel (1) is washed, and the residual silt is completely discharged from the slag discharge pipe (9), the water layer separated by the centrifugal bucket self circulates to realize self cleaning in the centrifugal bucket (1), after cleaning is finished, the motor (3) stops, moisture is completely collected in the water collecting tank (10), the sealing door (84) is closed under the thrust of the hydraulic push rod at the moment, the valve in the slag discharging pipe (9) is closed, the valve in the water discharging pipe (12) is opened, the centrifugal bucket (1) is sealed, the moisture in the water collecting tank (10) is discharged from the water discharging pipe (12), and then feeding separation can be carried out again.
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| CN114028976A (en) * | 2021-11-22 | 2022-02-11 | 江西创导动物保健品有限公司 | Device and method for improving dissolution rate of drug for treating parasitic infection |
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| CN117618989A (en) * | 2023-10-23 | 2024-03-01 | 山东明合地热能源开发有限公司 | Oil-gas-water three-phase separator |
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