CN113952761A - Oil-water separator - Google Patents
Oil-water separator Download PDFInfo
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- CN113952761A CN113952761A CN202010704388.9A CN202010704388A CN113952761A CN 113952761 A CN113952761 A CN 113952761A CN 202010704388 A CN202010704388 A CN 202010704388A CN 113952761 A CN113952761 A CN 113952761A
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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
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Abstract
The invention belongs to the technical field of petroleum machinery, and relates to an oil-water separator which comprises a tank body, an oil inlet pipe, an oil outlet pipe, a water outlet pipe and a gas outlet, wherein the tank body is provided with a first cavity, a second cavity and a third cavity which are separated from each other, the oil inlet pipe sequentially passes through the third cavity and the second cavity and then enters the first cavity, the water outlet pipe sequentially passes through the first cavity and the third cavity and then extends out of the tank body, a heat exchanger for heating liquid in the cavities is arranged in the first cavity, a water outlet of the heat exchanger is connected with the second cavity, a water outlet of the second cavity is connected with a water filling port of the third cavity, and a water outlet of the third cavity is connected with a water inlet of the heat exchanger after passing through a heating device. The invention effectively solves the problem that the oil-water separation is completed without completely heating part of crude oil due to single heating of the traditional oil-water separator.
Description
Technical Field
The invention belongs to the technical field of petroleum machinery, and relates to an oil-water separator.
Background
Crude oil extracted from an oil well contains a large amount of water and must be subjected to dehydration treatment before the oil refining step. At present, single well operation of an oil field in a processing environment can not be subjected to mechanical dehydration treatment, and the dehydration treatment is always carried out by an old method of adding coal under a container filled with crude oil, heating by fire, stirring, precipitating and decomposing.
Patent CN2652918 provides one kind and does not need external power, just need just can normally carry out oil water separating equipment under beam-pumping unit oil-out pressure, however because the liquid heating who goes on in patent CN2652918 only can once only heat the crude oil that gets into oil water separator, and heat and the separation is accomplished in step, consequently partial crude oil has not accomplished oil water separation completely heating, consequently, this oil water separator can not effectual heating crude oil, work efficiency is low, if can be on original basis more abundant heat the crude oil that gets into oil water separating equipment, then can improve the oil water separating efficiency of crude oil by a wide margin.
Disclosure of Invention
In order to achieve the purpose, the invention provides an oil-water separator which solves the problems in the prior art.
The technical scheme adopted by the invention is that the oil-water separator comprises a tank body 1, an oil inlet pipe 2, an oil outlet pipe 3, a water outlet pipe 4 and an air outlet 5, wherein the tank body 1 is provided with a first cavity 6, a second cavity 7 and a third cavity 8 which are mutually isolated, the first cavity 6 is positioned above the second cavity 7, and the third cavity 8 surrounds the first cavity 6 and the second cavity 7; the oil inlet pipe 2 sequentially passes through the third chamber 8 and the second chamber 7 to be heated and then enters the first chamber 6, the tail end of the oil inlet pipe 2, which is positioned in the first chamber 6, is provided with a separation blade 9, the separation blade 9 is in a sheet shape and is connected in series into a whole by a connecting piece, each blade of the separation blade 9 is provided with an oil outlet 22, and the oil outlet 22 on the blade at the bottommost part of the separation blade 9 is communicated with the tail end of the oil inlet pipe 2; one end of the oil outlet pipe 3 extends out of the tank body 1, the other end of the oil outlet pipe extends into the first chamber 6, and an oil outlet box 10 is arranged at one end of the oil outlet pipe 3 extending into the first chamber 6; the water outlet pipe 4 sequentially passes through the first chamber 6 and the third chamber 8 to be cooled and then extends out of the tank body 1, the position of a water outlet of the water outlet pipe 4 is lower than the upper edge of the oil outlet box 10, and the air outlet 5 is positioned at the top of the first chamber 6; the water outlet pipe 4 is communicated with the bottom of the first cavity 6; be equipped with the heat exchanger 11 to liquid heating in the cavity in the first cavity 6, heat exchanger 11 is equipped with heat exchanger water inlet 12 and heat exchanger delivery port 13, 7 tops in the second cavity are equipped with second cavity water filling port 14 bottoms and are equipped with second cavity outlet 15, 8 tops in the third cavity are equipped with third cavity water filling port 16 bottoms and are equipped with third cavity outlet 17, second cavity water filling port 14 is connected to heat exchanger delivery port 13, third cavity water filling port 16 is connected to second cavity outlet 15, heat exchanger water inlet 12 is connected to third cavity outlet 17 behind heating device.
Preferably, the oil inlet pipe 2 enters the third chamber 8, then winds around the outer wall of the first chamber 6 for a plurality of turns, then enters the second chamber 7, and the oil inlet pipe 2 winds around the second chamber 7 for a plurality of turns, and then enters the first chamber.
Preferably, the water outlet pipe 4 enters the third chamber 8, then winds the outer wall of the first chamber 6 for a plurality of turns, and then enters the extending tank body 1.
Preferably, the separation blades are arranged in a conical shape and gradually increase from top to bottom.
Preferably, flanges 18 are arranged at one ends of the oil inlet pipe 2 and the oil outlet pipe 3 extending out of the tank body 1.
Preferably, a water pump is arranged between the second chamber water outlet 15 and the third chamber water inlet 16.
Preferably, the air outlet 5 is provided with an air collecting valve 19.
Preferably, the water outlet pipe 4 extends out of the tank body 1 and is connected with an adjusting pipe 20 capable of adjusting the height of the water outlet.
Preferably, the tank body 1 is covered with an insulating layer 21 on the outside.
The invention has the beneficial effects that:
1. according to the invention, before the oil inlet pipe enters the first cavity for oil-water separation, the oil is heated by the third cavity for a plurality of circles and then heated by the second cavity for a plurality of circles, so that the crude oil is fully heated before entering the first cavity, the condition of full oil-water separation is met, and the efficiency of the crude oil in the first cavity for separation by the separation blade is improved.
2. According to the invention, the oil inlet pipe is arranged to sink in the third chamber in a way of annularly winding for multiple circles, then ascend in the second chamber in a way of annularly winding for multiple circles, and finally ascend to the separation blade for separation in the first chamber, so that the dead weight of crude oil is fully utilized, the elbow is used at the lowest limit, most of the crude oil can be fed into the annular oil way for separation at low pressure, the low pressure is less, the formation possibility of emulsion is reduced, and the separation efficiency is improved.
3. The invention divides the interior of the tank body into three chambers, and connects the water outlet of the heat exchanger to the second chamber and the third chamber besides the heat exchanger heats the crude oil mixed liquid in the first chamber, so that the residual hot water after the heat exchanger is exchanged can be used for two or three times to heat exchange by utilizing the pipe wall of the oil inlet pipe heated in advance, and further the crude oil in the oil inlet pipe before entering the first chamber is heated in a stepped manner.
4. The flanges are arranged at the ends, extending out of the tank body, of the oil inlet pipe and the oil outlet pipe, so that the oil inlet pipe and the oil outlet pipe can be conveniently butted with the pipe orifice of an external oil well and the oil storage tank; the separation blades are arranged in a tapered arrangement and sequentially increase from top to bottom, so that crude oil with larger pressure close to the pipe orifice of the oil outlet pipe flows out and is separated through the larger separation blades at the bottom layer, and crude oil with smaller pressure far away from the pipe orifice flows out and is separated through the smaller separation blades at the upper layer.
5. The gas collecting valve is arranged at the gas outlet, so that gas can be conveniently collected and switched on and off, and the height adjusting pipe is arranged at the water outlet, so that the height of the water outlet can be conveniently adjusted at any time.
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 side view of an oil water separator;
FIG. 2 is a sectional view A-A;
FIG. 3 is a sectional view B-B;
fig. 4 is a cross-sectional view C-C.
In the figure: the oil-gas separation tank comprises a tank body-1, an oil inlet pipe-2, an oil outlet pipe-3, a water outlet pipe-4, an air outlet-5, a first chamber-6, a second chamber-7, a third chamber-8, a separation blade-9, an oil outlet box-10, a heat exchanger-11, a heat exchanger water inlet-12, a heat exchanger water outlet-13, a second chamber water filling port-14, a second chamber water outlet-15, a third chamber water filling port-16, a third chamber water outlet-17, a flange-18, a gas collecting valve-19, a regulating pipe-20, a heat insulation layer-21 and an oil outlet-22.
Detailed Description
The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the following embodiments, and it is to be understood 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. 1-4, an oil-water separator includes a tank 1, an oil inlet pipe 2, an oil outlet pipe 3, a water outlet pipe 4, and an air outlet 5, the tank 1 is provided with a first chamber 6, a second chamber 7, and a third chamber 8 which are isolated from each other, the first chamber 6 is located above the second chamber 7, and the third chamber 8 surrounds the first chamber 6 and the second chamber 7; the oil inlet pipe 2 sequentially passes through the third chamber 8 and the second chamber 7 to be heated and then enters the first chamber 6, the tail end of the oil inlet pipe 2, which is positioned in the first chamber 6, is provided with a separation blade 9, the separation blade 9 is in a sheet shape and is connected in series into a whole by a connecting piece, each blade of the separation blade 9 is provided with an oil outlet 22, and the oil outlet 22 on the blade at the bottommost part of the separation blade 9 is communicated with the tail end of the oil inlet pipe 2; one end of the oil outlet pipe 3 extends out of the tank body 1, the other end of the oil outlet pipe extends into the first chamber 6, and an oil outlet box 10 is arranged at one end of the oil outlet pipe 3 extending into the first chamber 6; the water outlet pipe 4 sequentially passes through the first chamber 6 and the third chamber 8 to be cooled and then extends out of the tank body 1, the position of a water outlet of the water outlet pipe 4 is lower than the upper edge of the oil outlet box 10, and the air outlet 5 is positioned at the top of the first chamber 6; the water outlet pipe 4 is communicated with the bottom of the first cavity 6; be equipped with the heat exchanger 11 to liquid heating in the cavity in the first cavity 6, heat exchanger 11 is equipped with heat exchanger water inlet 12 and heat exchanger delivery port 13, 7 tops in the second cavity are equipped with second cavity water filling port 14 bottoms and are equipped with second cavity outlet 15, 8 tops in the third cavity are equipped with third cavity water filling port 16 bottoms and are equipped with third cavity outlet 17, second cavity water filling port 14 is connected to heat exchanger delivery port 13, third cavity water filling port 16 is connected to second cavity outlet 15, heat exchanger water inlet 12 is connected to third cavity outlet 17 behind heating device.
Further, the oil inlet pipe 2 enters the third chamber 8, then winds the outer wall of the first chamber 6 for a plurality of circles and then enters the second chamber 7, and the oil inlet pipe 2 winds the inner wall of the second chamber 7 for a plurality of circles and then enters the first chamber.
Furthermore, the water outlet pipe 4 enters the third chamber 8, then winds the outer wall of the first chamber 6 for a plurality of turns, and then enters the extending tank body 1.
Furthermore, the separating blades are arranged in a conical shape and sequentially increase from top to bottom.
Furthermore, flanges 18 are arranged at one ends of the oil inlet pipe 2 and the oil outlet pipe 3 extending out of the tank body 1.
Further, a water pump is arranged between the second chamber water outlet 15 and the third chamber water injection port 16.
Further, the air outlet 5 is provided with an air collecting valve 19.
Furthermore, the water outlet pipe 4 extends out of the tank body 1 and is connected with an adjusting pipe 20 capable of adjusting the height of the water outlet.
Further, the exterior of the tank body 1 is covered with an insulating layer-21.
Example (b):
when oil-water separation is needed for crude oil, an oil inlet flange of the oil-water separator is in butt joint with an oil outlet of an oil well, and an oil outlet flange of the oil-water separator is in butt joint with an oil storage tank flange. After crude oil flows to the oil inlet from the oil well, the in-process that flows through the third chamber and encircles first cavity lateral wall earlier, because the remaining hot water after the exchange of being full of in the heat exchanger in the third chamber of second chamber, the third chamber, hot water in the second chamber carries out primary and secondary heating to advancing the oil pipe, make crude oil carry out two rounds of heats before getting into first cavity and carrying out water oil separating, then crude oil after the heating reentries first cavity and separates through separation blade, because the heating of heat exchanger in preceding two rounds of heats in addition in the first cavity, crude oil in the first cavity has had the temperature higher than single heating in the past, therefore through separation blade separation more thoroughly. And after a large amount of heat is released in the first cavity by water in the heat exchanger, residual hot water flows into the second cavity and the third cavity in sequence, the oil inlet pipe is subjected to auxiliary heating in the cavities, crude oil newly flowing into the oil inlet pipe is preheated in advance, and the crude oil in the oil inlet pipe is subjected to primary and secondary heating temperature rise in a circulating and reciprocating mode in sequence.
In conclusion, before the oil inlet pipe enters the first cavity for oil-water separation, the oil inlet pipe is heated by the third cavity for a plurality of circles around, and then heated by the second cavity for a plurality of circles around, so that the crude oil is fully preheated before entering the first cavity, the condition of full oil-water separation is met, and the efficiency of the crude oil in the first cavity for separation by the separation blade is improved; the internal portion of the tank body is divided into three chambers, the water outlet of the heat exchanger is connected to the second chamber and the third chamber except that the heat exchanger heats the crude oil mixed liquid in the first chamber, so that residual hot water after the heat exchanger is exchanged can be used for two times and three times to heat the wall of the oil inlet pipe in advance, crude oil in the oil inlet pipe before entering the first chamber is heated in advance, and the working efficiency is also improved. Therefore, the invention overcomes the problems that the crude oil entering the oil-water separator can only be heated once and the heating and the separation are synchronously completed, and has wide application prospect.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. An oil-water separator comprises a tank body (1), an oil inlet pipe (2), an oil outlet pipe (3), a water outlet pipe (4) and an air outlet (5), and is characterized in that the tank body (1) is provided with a first cavity (6), a second cavity (7) and a third cavity (8) which are separated from each other, the first cavity (6) is positioned above the second cavity (7), and the third cavity (8) surrounds the first cavity (6) and the second cavity (7); the oil inlet pipe (2) sequentially passes through the third cavity (8) and the second cavity (7) to be heated and then enters the first cavity (6), the tail end, located in the first cavity (6), of the oil inlet pipe (2) is provided with a separation blade (9), the separation blade (9) is in a sheet shape and is connected in series into a whole through a connecting piece, each blade of the separation blade (9) is provided with an oil outlet (22), and the oil outlet (22) in the blade at the bottommost part of the separation blade (9) is communicated with the tail end of the oil inlet pipe (2); one end of the oil outlet pipe (3) extends out of the tank body (1), the other end of the oil outlet pipe extends into the first chamber (6), and an oil outlet box (10) is arranged at one end of the oil outlet pipe (3) extending into the first chamber (6); the water outlet pipe (4) sequentially passes through the first cavity (6) and the third cavity (8) to be cooled and then extends out of the tank body (1), the water outlet of the water outlet pipe (4) is lower than the upper edge of the oil outlet box (10), and the air outlet (5) is located at the top of the first cavity (6); the water outlet pipe (4) is communicated with the bottom of the first cavity (6);
be equipped with in first cavity (6) heat exchanger (11) to liquid heating in the cavity, heat exchanger (11) are equipped with heat exchanger water inlet (12) and heat exchanger delivery port (13), second cavity (7) top is equipped with second cavity water injection port (14) bottom and is equipped with second cavity outlet (15), third cavity (8) top is equipped with third cavity water injection port (16) bottom and is equipped with third cavity outlet (17), second cavity water injection port (14) are connected in heat exchanger delivery port (13), second cavity outlet (15) are connected third cavity water injection port (16), third cavity outlet (17) connect heat exchanger water inlet (12) behind heating device.
2. The oil-water separator as claimed in claim 1, wherein the oil inlet pipe (2) enters the third chamber (8) and then enters the second chamber (7) after being wound around the outer wall of the first chamber (6) for a plurality of turns, and the oil inlet pipe (2) enters the first chamber after being wound around the second chamber (7) for a plurality of turns.
3. An oil-water separator according to claim 2, characterized in that the outlet pipe (4) enters the third chamber (8) and then winds around the outer wall of the first chamber (6) for a plurality of turns before entering the protruding tank (1).
4. The separator of claim 1, wherein the separation vanes are arranged in a tapered manner that increases from top to bottom.
5. The oil-water separator as claimed in claim 1, wherein the oil inlet pipe (2) and the oil outlet pipe (3) are provided with flanges (18) at the ends extending out of the tank body (1).
6. The separator according to claim 1, wherein a water pump is provided between the second chamber drain (15) and the third chamber water inlet (16).
7. The separator according to claim 1, characterized in that the gas outlet (5) is provided with a gas collecting valve (19).
8. The oil-water separator as claimed in claim 1, wherein the outlet pipe (4) extends out of the tank (1) and is connected with an adjusting pipe (20) capable of adjusting the height of the outlet.
9. The separator according to claim 1, characterized in that the tank (1) is externally covered with an insulating layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704388.9A CN113952761A (en) | 2020-07-21 | 2020-07-21 | Oil-water separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704388.9A CN113952761A (en) | 2020-07-21 | 2020-07-21 | Oil-water separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113952761A true CN113952761A (en) | 2022-01-21 |
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ID=79459751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010704388.9A Pending CN113952761A (en) | 2020-07-21 | 2020-07-21 | Oil-water separator |
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| CN (1) | CN113952761A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652918Y (en) * | 2003-11-07 | 2004-11-03 | 纪庙智 | Oil/water separator |
| CN103388857A (en) * | 2013-08-19 | 2013-11-13 | 苏州惠林节能材料有限公司 | Heat pipe self-temperature returning preheat type heating fresh air handling unit |
| CN106277183A (en) * | 2016-10-28 | 2017-01-04 | 广西大学 | A kind of oil water separator |
| CN110159468A (en) * | 2019-06-20 | 2019-08-23 | 高博集团有限公司 | A kind of fuel filter with preheating mechanism |
-
2020
- 2020-07-21 CN CN202010704388.9A patent/CN113952761A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652918Y (en) * | 2003-11-07 | 2004-11-03 | 纪庙智 | Oil/water separator |
| CN103388857A (en) * | 2013-08-19 | 2013-11-13 | 苏州惠林节能材料有限公司 | Heat pipe self-temperature returning preheat type heating fresh air handling unit |
| CN106277183A (en) * | 2016-10-28 | 2017-01-04 | 广西大学 | A kind of oil water separator |
| CN110159468A (en) * | 2019-06-20 | 2019-08-23 | 高博集团有限公司 | A kind of fuel filter with preheating mechanism |
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Application publication date: 20220121 |