CN114618189A - Vertical tank-shaped oil-water two-stage three-time separation equipment - Google Patents
Vertical tank-shaped oil-water two-stage three-time separation equipment Download PDFInfo
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- CN114618189A CN114618189A CN202210433302.2A CN202210433302A CN114618189A CN 114618189 A CN114618189 A CN 114618189A CN 202210433302 A CN202210433302 A CN 202210433302A CN 114618189 A CN114618189 A CN 114618189A
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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
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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
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
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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
- B01D17/06—Separation of liquids from each other by electricity
Abstract
The invention provides a vertical tank-shaped oil-water two-stage three-time separation device, relates to the technical field of fluid separation, and provides a vertical tank-shaped separation device which is compact in structure, large in treatment capacity and high in oil-water separation efficiency. When the two-stage three-time separation equipment provided by the invention is used, an oil-water mixture enters the tank body through the liquid inlet pipe, and under the action of the middle cyclone, the oil-water mixture rotates in the cyclone separation cylinder, so that an oil phase is separated from a water phase, and the first separation of the oil phase and the water phase is realized; the separated oil phase flows to the upper separator through a channel in the middle of the middle cyclone, and the separated water phase flows to the lower separator through a liquid flow port on the lower partition plate; when the separated oil phase passes through the upper separator, secondary separation can be realized (the function of purifying and dehydrating the oil phase can be realized); when the separated water phase passes through the lower separator, further separation (water phase purification and oil removal) can be realized.
Description
Technical Field
The invention relates to the technical field of fluid separation, is suitable for oil-water separation processes in the industries of petroleum, chemical engineering, environmental protection and the like, and particularly relates to a vertical tank-shaped oil-water two-stage three-stage separation device.
Background
At present, the oil-water separation technology plays an important role in the fields of petroleum, mining, food, chemical industry, environmental protection and the like. The existing oil-water separation equipment in China, including gravity type separation equipment and rotational flow type separation equipment, is developed to a great extent. With the promotion of policies such as energy conservation and emission reduction, double-carbon target and the like, the policy of environmental protection is more and more strict, and the requirement for quickly and efficiently implementing oil-water separation is higher and higher.
The traditional dehydration treatment facility based on gravity separation generally has the defects of low efficiency, large floor area, long retention time and the like, and is difficult to well deal with under the complex working condition. The equipment based on cyclone separation has the advantages of simple structure, small occupied area, high separation efficiency and the like, and is more popular. However, the anti-interference capability of the cyclone separation equipment is inferior to that of the gravity separation equipment, and the single-stage equipment is difficult to meet the increasingly severe separation requirements, so that the development of single-tank multi-stage separation equipment is urgently needed.
Disclosure of Invention
The invention aims to provide a vertical tank-shaped oil-water two-stage three-stage separation device, which has the advantages of compact structure, large treatment capacity and high oil-water separation efficiency. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a vertical tank-shaped oil-water two-stage tertiary separation device which comprises a tank body, an oil discharge pipe, a water discharge pipe and a liquid inlet pipe, wherein the oil discharge pipe and the water discharge pipe are respectively arranged at the upper end and the lower end of the tank body; the cyclone separation cylinder is arranged on the lower partition plate, the top of the cyclone separation cylinder is spaced from the upper partition plate, the middle cyclone guide is arranged on the upper partition plate and extends into the cyclone separation cylinder, and the liquid inlet pipe is communicated with the middle separation cavity; the upper separator is arranged in the upper separation cavity, and the tank body is provided with a side drain pipe communicated with the upper separation cavity; the lower separator is arranged in the lower separation cavity, and an oil guide channel is formed in the middle of the lower separator; the oil phase in the cyclone separation cylinder can flow to the upper separator through the hollow channel of the middle cyclone guide device, and the water phase in the cyclone separation cylinder can flow to the lower separator through the liquid flow port on the lower partition plate.
Furthermore, the separation equipment also comprises an electrode cylinder and a grounding cylinder, wherein the electrode cylinder and the grounding cylinder are sequentially sleeved outside the cyclone separation cylinder at intervals along the radial direction of the tank body, the electrode cylinder is connected with the upper partition plate, the grounding cylinder is connected with the lower partition plate, and an electric field formed between the electrode cylinder and the grounding cylinder is used for demulsifying and coalescing the fluid entering from the liquid inlet pipe.
Furthermore, the electrode cylinder is fixed on the lower side surface of the upper partition plate, the bottom end of the electrode cylinder is spaced from the lower partition plate, the grounding cylinder is fixed on the upper side surface of the lower partition plate, and the top end of the grounding cylinder is spaced from the upper partition plate; or, the electrode barrel through the connecting rod with the downside of going up the baffle is connected just the upper and lower both ends of electrode barrel respectively with go up the baffle with there is the interval down the baffle, ground connection section of thick bamboo through the connecting rod with the side of going up of baffle is connected just down the upper and lower both ends of ground connection section of thick bamboo respectively with go up the baffle with there is the interval down the baffle.
Further, one of the electrode cylinders is adjacent to the cyclone separation cylinder along the radial direction of the tank body.
Furthermore, the separation equipment also comprises an upper liquid distributor which is used for scattering towards the periphery, and the upper liquid distributor is arranged below the upper separator; the upper liquid distributor comprises an upper conical part and a lower conical part, the upper conical part is arranged above the lower conical part and is connected with the lower conical part, and the upper end and the lower end of the upper liquid distributor are respectively provided with a cone angle.
Further, go up the separator and include a plurality of toper section of thick bamboos, a toper section of thick bamboo is followed the radial direction of the jar body is established in proper order, just the one end that the toper section of thick bamboo diameter is big is close to go up the baffle, a toper section of thick bamboo is fixed through the link on the internal surface of the jar body.
Furthermore, the separation equipment also comprises a lower liquid distributor, the lower liquid distributor extends into the cyclone separation cylinder, the lower liquid distributor is hemispherical, a through hole is formed in the middle of the lower liquid distributor, and the area, located between the cyclone separation cylinder and the lower liquid distributor, of the lower partition plate is provided with the liquid flowing port.
Further, the lower separator comprises blades and an annular fixing frame, the blades are sequentially distributed at intervals along the circumferential direction, the annular fixing frame sequentially penetrates through the blades to connect the blades, and the lower separator is fixed on the inner surface of the tank body through a connecting frame; the rotation direction of the blade is the same as that of the intermediate swing guide.
Further, splitter still includes the guide plate, the guide plate is the arc surface form, the guide plate passes through the support frame setting and is in directly over the drain pipe.
Further, the tank body comprises an upper tank body part, a middle tank body part and a lower tank body part, the middle tank body part is of a cylindrical structure, the upper partition plate is clamped between the upper tank body part and the middle tank body part and connected with the upper tank body part, the middle tank body part and the middle tank body part through flange structures, and the lower partition plate is arranged between the middle tank body part and the lower tank body part and connected with the middle tank body part and the lower tank body part through flange structures.
When the two-stage three-time separation equipment provided by the invention is used, an oil-water mixture enters the tank body through the liquid inlet pipe, and under the action of the middle cyclone guide device, the oil-water mixture rotates in the cyclone separation cylinder, so that an oil phase and a water phase are separated, the first separation of the oil phase and the water phase is realized, and the water phase in the cyclone separation cylinder flows downwards along the inner wall of the cyclone separation cylinder under the combined action of centrifugal force and gravity; the separated oil phase flows to the upper separator through the hollow channel of the middle guide rotator, and the separated oil phase flows to the lower separator through the liquid flow port on the lower partition plate; when the separated oil phase passes through the upper separator, secondary separation can be realized (the oil phase can be purified and dehydrated), at the moment, the separated oil phase is discharged out of the tank body through the oil discharge pipe, and the separated water can be discharged through the water discharge pipe; when the separated water phase passes through the lower separator, further separation (water phase purification and oil removal) can be realized, at the moment, the separated water phase is discharged out of the tank body through the water discharge pipe, and the separated oil phase flows back to the cyclone separation cylinder upwards through the oil guide channel. The vertical tank-shaped oil-water two-stage three-stage separation equipment provided by the invention can be used for the oil-water separation process in the petroleum and chemical industry, and has the advantages of compact structure, large treatment capacity, high oil-water separation efficiency and the like.
The preferred technical scheme of the invention can at least produce the following technical effects:
the separation equipment also comprises an electrode cylinder and a grounding cylinder, wherein the electrode cylinder and the grounding cylinder are sequentially sleeved on the outer side of the cyclone separation cylinder at intervals along the radial direction of the tank body, oil and water phases pass through an electric field area formed by the cylindrical electrodes, water particles are agglomerated and grown under the combined action of an electric field and a flow field, and the separation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vertical tank-shaped oil-water two-stage three-stage separation device provided by an embodiment of the invention;
FIG. 2 is a schematic front view of a vertical tank-shaped oil-water two-stage three-stage separation device provided by an embodiment of the invention;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic structural view of a lower separator and a lower liquid distributor according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of another arrangement of electrode cartridges and ground cartridges according to an embodiment of the present invention.
In the figure 1-tank body; 101-an oil discharge pipe; 102-a drain pipe; 103-liquid inlet pipe; 104-an upper tank part; 105-a middle tank part; 106-a lower tank portion; 2-an upper partition plate; 3-a lower baffle plate; 4-an upper separator; 5-middle pilot-rotator; 6-lower separator; 601-a blade; 602-a blade; 7-a cyclone separation cylinder; 8-electrode cylinder; 9-a grounding cylinder; 10-putting a liquid distributor; 11-putting a liquid distributor; 12-a deflector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the invention provides a vertical tank-shaped oil-water two-stage tertiary separation device, which comprises a tank body 1, an oil discharge pipe 101, a water discharge pipe 102 and a liquid inlet pipe 103, wherein the upper end and the lower end of the tank body 1 are respectively provided with the oil discharge pipe 101 and the water discharge pipe 102, the liquid inlet pipe 103 is arranged on the side surface of the tank body 1, the two-stage tertiary separation device further comprises an upper partition plate 2, a lower partition plate 3, an upper separator 4, a middle cyclone 5, a lower separator 6 and a cyclone separation cylinder 7, wherein the upper partition plate 2 and the lower partition plate 3 are arranged in the tank body 1, the upper partition plate 2 is arranged above the lower partition plate 3, and the upper partition plate 2 and the lower partition plate 3 divide the interior of the tank body 1 into an upper separation cavity, a middle separation cavity and a lower separation cavity from top to bottom in sequence; the cyclone separation cylinder 7 is arranged on the lower partition plate 3, the top of the cyclone separation cylinder is spaced from the upper partition plate 2, the middle cyclone guide 5 is arranged on the upper partition plate 2 and extends into the cyclone separation cylinder 7, and the liquid inlet pipe 103 is communicated with the middle separation cavity; an upper separator 4 is arranged in the upper separation cavity, and a side drain pipe communicated with the upper separation cavity is arranged on the tank body 1; a lower separator 6 is arranged in the lower separation cavity, and an oil guide channel is formed in the middle of the lower separator 6; the upper partition plate 2 and the lower partition plate 3 are respectively provided with a liquid flow port, the oil phase in the cyclone separation cylinder 7 can flow to the upper separator 4 through the liquid flow port of the upper partition plate 2, and the water phase in the cyclone separation cylinder 7 can flow to the lower separator 6 through the liquid flow port of the lower partition plate 3.
When the two-stage three-time separation equipment provided by the invention is used, an oil-water mixture enters the tank body 1 through the liquid inlet pipe 103, and under the action of the middle cyclone 5 (the middle cyclone 5 is provided with the guide vanes), the oil-water mixture rotates in the cyclone separation cylinder 7 to separate an oil phase from a water phase, so that the first separation of the oil phase from the water phase is realized, and the water phase in the cyclone separation cylinder 7 flows downwards along the inner wall of the cyclone cylinder under the combined action of centrifugal force and gravity; the separated oil phase flows to an upper separator 4 through a middle cyclone 5, and the separated oil phase flows to a lower separator 6 through a liquid flow port on a lower partition plate 3; when the separated oil phase passes through the upper separator 4, secondary separation can be realized (the oil phase purification and dehydration function can be realized), at the moment, the separated oil phase is discharged out of the tank body 1 through the oil discharge pipe 101, and the separated water can be discharged through the side water discharge pipe (the side water discharge pipe can be opened intermittently); when the separated water phase passes through the lower separator 6, further separation (water phase purification and oil removal) can be achieved, at this time, the separated water phase is discharged out of the tank body 1 through the water discharge pipe 102, and the separated oil phase flows back to the cyclone separation cylinder 7 through the oil guide passage.
Referring to fig. 3, the middle cyclone 5 is provided with cyclone blades in the circumferential direction and a hollow channel in the middle, the middle cyclone 5 is inserted into the upper partition 2 and is in sealing fit with the upper partition 2, and the oil phase separated from the cyclone separation cylinder 7 flows to the upper separation chamber through the hollow channel of the middle cyclone 5.
The three times of separation can be realized through the middle cyclone 5, the upper separator 4 and the lower separator 6, the oil-water mixture passes through the middle cyclone 5 and is called a first-stage separation process, and the water phase and the oil phase pass through the lower separator 6 and the upper separator 4 respectively and is called a second-stage separation process. The vertical tank-shaped oil-water two-stage three-time separation equipment provided by the invention can be used for the oil-water separation process in the petroleum and chemical industry. Has the advantages of compact structure, large treatment capacity, high oil-water separation efficiency and the like.
As an optional embodiment, the separation device further comprises an electrode cylinder 8 and a grounding cylinder 9, the electrode cylinder 8 and the grounding cylinder 9 are sequentially arranged at intervals on the outer side of the cyclone separation cylinder 7 along the radial direction of the tank body 1, the electrode cylinder 8 is connected with the upper partition plate 2 and is connected with external high-voltage electricity, the grounding cylinder 9 is connected with the lower partition plate 3, and the electric field formed between the electrode cylinder 8 and the grounding cylinder 9 is used for performing demulsification and coalescence treatment on the fluid entering from the liquid inlet pipe 103. The oil phase and the water phase pass through an electric field area formed by the cylindrical electrodes, water particles are agglomerated and grown under the combined action of the electric field and the flow field, and the separation efficiency is improved.
As for the arrangement of the electrode cartridge 8 and the ground cartridge 9, the following may be made: referring to fig. 3, the electrode cylinder 8 is fixed on the lower side of the upper partition plate 2, and the bottom end of the electrode cylinder 8 is spaced from the lower partition plate 3, and the grounding cylinder 9 is fixed on the upper side of the lower partition plate 3, and the top end of the grounding cylinder 9 is spaced from the upper partition plate 2. Referring to fig. 3, an electrode cylinder 8 (a first electrode cylinder) is arranged on the outer side of the cyclone separation cylinder 7 (at this time, the cyclone separation cylinder 7 is equivalent to a grounding cylinder), a grounding cylinder 9 (a first grounding cylinder) is arranged on the outer side of the first electrode cylinder, another electrode cylinder 8 is arranged on the outer side of the first grounding cylinder, and the electrode cylinders 8 and the grounding cylinder 9 are sequentially distributed at intervals, so that an S-shaped flow channel is formed between the electrode cylinder 8 and the grounding cylinder 9, and the time of fluid passing through an electric field is increased, so as to improve the separation efficiency. As for the number of the electrode barrels 8 and the grounding barrels 9, a reasonable number may be set according to actual conditions.
As for the arrangement of the electrode cylinder 8 and the ground cylinder 9, the following is also possible: referring to fig. 6, the electrode cylinder 8 is connected to the lower side of the upper partition plate 2 through a connecting rod and the upper and lower ends of the electrode cylinder 8 have a distance from the upper partition plate 2 to the lower partition plate 3, the grounding cylinder 9 is connected to the upper side of the lower partition plate 3 through a connecting rod and the upper and lower ends of the grounding cylinder 9 have a distance from the upper partition plate 2 to the lower partition plate 3. Referring to fig. 6, the electrode cylinders 8 are connected to the upper separator 2 through connecting rods, that is, one ends of the connecting rods are connected to the upper separator 2, the other ends of the connecting rods are connected to the corresponding electrode cylinders 8, each electrode cylinder 8 corresponds to two or more connecting rods, and the connecting rods arranged on the electrode cylinders 8 are uniformly distributed along the circumferential direction, which is illustrated in fig. 6 that each electrode cylinder 8 is connected to the upper separator 2 through two connecting rods. The diameter of the connecting rod provided on the upper separator 2 is as close as possible to the thickness of the electrode cylinder 8, see fig. 6. The grounding cylinder 9 is connected with the lower partition plate 3 through the connecting rods, namely, one end of each connecting rod is connected with the lower partition plate 3, the other end of each connecting rod is connected with the corresponding grounding cylinder 9, each grounding cylinder 9 corresponds to more than two connecting rods, the connecting rods arranged on the grounding cylinders 9 are uniformly distributed along the circumferential direction, and referring to fig. 6, it is shown that each grounding cylinder 9 is connected with the lower partition plate 3 through two connecting rods. With regard to the diameter of the connecting rod provided on the lower partition plate 3, see fig. 6, as close as possible to the thickness of the ground cylinder 9.
Two ends of the electrode cylinder 8 respectively have gaps with the upper clapboard 2 and the lower clapboard 3, and two ends of the grounding cylinder 9 respectively have gaps with the upper clapboard 2 and the lower clapboard 3. The fluid flows linearly in the annular space surrounded by different electrode barrels, and when the treatment capacity is large and the oil-water emulsification degree is not strong, the arrangement mode can be adopted to improve the treatment capacity.
As an alternative embodiment, referring to fig. 3, the separation apparatus further comprises an upper liquid distributor 10 for dispersing all around, the upper liquid distributor 10 being disposed below the upper separator 4; the upper liquid distributor 10 comprises an upper conical part and a lower conical part, the upper conical part is arranged above the lower conical part and is connected with the lower conical part, and the upper end and the lower end of the upper liquid distributor 10 are respectively provided with a cone angle. Referring to fig. 3, the position of the upper liquid distributor 10 in the tank 1 is shown. As can be seen from fig. 3, the upper liquid distributor 10 is in the shape of two conical structures arranged up and down, and a part of the upper liquid distributor 10 extends into the separator 4, so that the upper liquid distributor 10 is fixed on a connecting frame connected with the upper separator 4.
As for the structure of the upper separator 4, the following may be made: go up separator 4 and include a plurality of toper section of thick bamboos, the toper section of thick bamboo is established along the radial direction of jar body 1 cover in proper order, and the one end that the toper section of thick bamboo diameter is big is close to last baffle 2, and each toper section of thick bamboo passes through the link to be fixed on the internal surface of jar body 1. As shown in fig. 3, the conical cylinders are sequentially sleeved, so that the height of the conical cylinder close to the outer layer along the axial direction can be reduced by avoiding the interference between the conical cylinder close to the outer layer and the inner side wall of the tank body 1. The oil phase is discharged from the middle guide rotator 5, dispersed around after passing through the upper liquid distributor 10, and then enters the multilayer conical cylinder, and the oil phase can be further dewatered and purified under the action of gravity.
In an optional embodiment, the separation apparatus further comprises a lower liquid distributor 11, the lower liquid distributor 11 extends into the cyclone separation cylinder 7, the lower liquid distributor 11 is hemispherical, a through hole is formed in the middle of the lower liquid distributor 11, and a liquid flow port is formed in the lower partition plate 3 in an area between the cyclone separation cylinder 7 and the lower liquid distributor 11. Referring to fig. 3 and 5, a lower liquid distributor 11 is illustrated, the lower liquid distributor 11 being connectable to the lower separator 6, fig. 3 illustrating the lower liquid distributor 11 located in the cyclone separating cylinder 7, and fig. 4 illustrating the liquid flow port between the cyclone separating cylinder 7 and the lower liquid distributor 11.
Referring to fig. 5, the lower separator 6 includes blades 601 and an annular fixing frame 602, the blades 601 are sequentially distributed at intervals along the circumferential direction, the top ends of the blades 601 are connected with the lower liquid distributor 11, the annular fixing frame 602 sequentially penetrates through the blades 601 to connect the blades 601, and the lower separator 6 is fixed on the inner surface of the tank body 1 through a connecting frame; the rotation direction of the vane 601 is the same as the rotation direction of the intermediate swirler 5. The water phase in the cyclone separation cylinder 7 is rectified by the lower liquid distributor 11 and then flows to the lower separator 6 from a liquid flowing port on the lower partition plate 3, the blades 402 form certain angles with the incoming flow direction in the axial direction and the tangential direction, the water phase can be subjected to cyclone again, the water phase separated by the middle cyclone 5 is subjected to cyclone again by the lower separator 6 (multi-grid centrifugal separator), and the water phase is further subjected to oil removal and purification.
As an optional embodiment, the separation equipment further includes a guide plate 12, where the guide plate 12 is in a shape of a circular arc surface, and the guide plate 12 is disposed right above the drain pipe 102 through a support frame. The arc-shaped guide plate 12 can prevent the water phase subjected to the secondary cyclone separation from being discharged without obstruction.
As an alternative embodiment, referring to fig. 1 and 3, the tank body 1 includes an upper tank body 104, a middle tank body 105 and a lower tank body 106, the middle tank body 1 is in a cylindrical structure, the upper partition plate 2 is sandwiched between the upper tank body 104 and the middle tank body 105 and the three are connected through a flange structure, and the lower partition plate 3 is disposed between the middle tank body 105 and the lower tank body 106 and the three are connected through a flange structure. The invention connects all parts through the flanges, is convenient and fast to assemble and can save space to a greater extent.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A vertical tank-shaped oil-water two-stage three-stage separation device comprises a tank body (1), an oil discharge pipe (101), a water discharge pipe (102) and a liquid inlet pipe (103), wherein the oil discharge pipe (101) and the water discharge pipe (102) are respectively arranged at the upper end and the lower end of the tank body (1), the liquid inlet pipe (103) is arranged on the side surface of the tank body (1), the vertical tank-shaped oil-water two-stage three-stage separation device is characterized by further comprising an upper partition plate (2), a lower partition plate (3), an upper separator (4), a middle cyclone (5), a lower separator (6) and a cyclone separation cylinder (7), wherein,
the upper partition plate (2) and the lower partition plate (3) are arranged in the tank body (1), the upper partition plate (2) is arranged above the lower partition plate (3), and the upper partition plate (2) and the lower partition plate (3) divide the interior of the tank body (1) into an upper separation cavity, a middle separation cavity and a lower separation cavity from top to bottom in sequence;
the cyclone separation cylinder (7) is arranged on the lower partition plate (3), the top of the cyclone separation cylinder is spaced from the upper partition plate (2), the middle cyclone guide (5) is arranged on the upper partition plate (2) and extends into the cyclone separation cylinder (7), and the liquid inlet pipe (103) is communicated with the middle separation cavity;
the upper separator (4) is arranged in the upper separation cavity, and a side drain pipe communicated with the upper separation cavity is arranged on the tank body (1);
the lower separator (6) is arranged in the lower separation cavity, and an oil guide channel is formed in the middle of the lower separator (6);
the oil phase in the cyclone separation cylinder (7) can flow to the upper separator (4) through the hollow channel of the middle cyclone guide (5), and the water phase in the cyclone separation cylinder (7) can flow to the lower separator (6) through the liquid flow port on the lower partition plate (3).
2. The vertical type tank-shaped oil-water two-stage three-time separation device according to claim 1, further comprising an electrode cylinder (8) and a grounding cylinder (9), wherein the electrode cylinder (8) and the grounding cylinder (9) are sequentially sleeved outside the cyclone separation cylinder (7) at intervals along the radial direction of the tank body (1), the electrode cylinder (8) is connected with the upper partition plate (2), the grounding cylinder (9) is connected with the lower partition plate (3), and the electric field formed between the electrode cylinder (8) and the grounding cylinder (9) is used for performing demulsification and coalescence treatment on the fluid entering from the liquid inlet pipe (103).
3. The vertical type can-type oil-water two-stage three-stage separation device as claimed in claim 2, wherein the electrode cylinder (8) is fixed on the lower side surface of the upper partition plate (2) and the bottom end of the electrode cylinder (8) is spaced from the lower partition plate (3), the grounding cylinder (9) is fixed on the upper side surface of the lower partition plate (3) and the top end of the grounding cylinder (9) is spaced from the upper partition plate (2);
or, electrode cylinder (8) through the connecting rod with the downside of going up baffle (2) is connected just the upper and lower both ends of electrode cylinder (8) respectively with go up baffle (2) with there is the interval baffle (3) down, ground cylinder (9) through the connecting rod with the side of going up of baffle (3) down is connected just the upper and lower both ends of ground cylinder (9) respectively with go up baffle (2) with there is the interval baffle (3) down.
4. The vertical can two-stage three stage oil and water separator according to claim 2, wherein one of the electrode cartridges (8) is adjacent to the cyclone separation cartridge (7) in a radial direction of the can body (1).
5. The vertical type can-type oil-water two-stage three-stage separation equipment as claimed in claim 1, further comprising an upper liquid distributor (10) for dispersing all around, wherein the upper liquid distributor (10) is arranged below the upper separator (4); the upper liquid distributor (10) comprises an upper conical part and a lower conical part, the upper conical part is arranged above the lower conical part and is connected with the lower conical part, and the upper end and the lower end of the upper liquid distributor (10) are respectively provided with a cone angle.
6. The vertical tank-shaped oil-water two-stage three-time separation equipment as claimed in claim 1 or 5, wherein the upper separator (4) comprises a plurality of conical cylinders, the conical cylinders are sequentially sleeved along the radial direction of the tank body (1), one end of each conical cylinder with a large diameter is close to the upper partition plate (2), and the conical cylinders are fixed on the inner surface of the tank body (1) through connecting frames.
7. The vertical type tank-shaped oil-water two-stage three-stage separation equipment as claimed in claim 1, further comprising a lower liquid distributor (11), wherein the lower liquid distributor (11) extends into the cyclone separation cylinder (7), the lower liquid distributor (11) is hemispherical, a through hole is formed in the middle of the lower liquid distributor (11), and the liquid flowing port is formed in the area between the cyclone separation cylinder (7) and the lower liquid distributor (11) on the lower partition plate (3).
8. The vertical type tank-shaped oil-water two-stage three-time separation device as claimed in claim 1 or 7, wherein the lower separator (6) comprises blades (601) and annular fixing frames (602), the blades (601) are sequentially distributed at intervals along the circumferential direction, the annular fixing frames (602) sequentially penetrate through the blades (601) to connect the blades (601), and the lower separator (6) is fixed on the inner surface of the tank body (1) through a connecting frame; the rotation direction of the blade (601) is the same as the rotation direction of the intermediate swing guide (5).
9. The vertical type tank-shaped oil-water two-stage three-time separation equipment as recited in claim 1, further comprising a guide plate (12), wherein the guide plate (12) is in a shape of a circular arc surface, and the guide plate (12) is arranged right above the drain pipe (102) through a support frame.
10. The vertical tank-shaped oil-water two-stage three-time separation device according to claim 1, wherein the tank body (1) comprises an upper tank body part (104), a middle tank body part (105) and a lower tank body part (106), the middle tank body part (1) is of a cylindrical structure, the upper partition plate (2) is clamped between the upper tank body part (104) and the middle tank body part (105) and connected with the upper tank body part, the middle tank body part and the middle tank body part through flange structures, and the lower partition plate (3) is arranged between the middle tank body part (105) and the lower tank body part (106) and connected with the middle tank body part and the middle tank body part through flange structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433302.2A CN114618189B (en) | 2022-04-24 | 2022-04-24 | Vertical tank-shaped oil-water two-stage three-stage separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433302.2A CN114618189B (en) | 2022-04-24 | 2022-04-24 | Vertical tank-shaped oil-water two-stage three-stage separation equipment |
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| CN114618189B (en) | 2023-04-07 |
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