CN215161203U - Floating device for central cylinder of coagulation settling tank - Google Patents
Floating device for central cylinder of coagulation settling tank Download PDFInfo
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- CN215161203U CN215161203U CN202120697910.5U CN202120697910U CN215161203U CN 215161203 U CN215161203 U CN 215161203U CN 202120697910 U CN202120697910 U CN 202120697910U CN 215161203 U CN215161203 U CN 215161203U
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Abstract
The utility model relates to an oil field extraction water treatment facilities, concretely relates to a coagulation and sedimentation tank center section of thick bamboo floating installation. The device comprises a floating oil collecting tank, a floating upper limit limiter, a floating oil collecting tank guide rod, a buoy, a floating lower limit limiter, a universal joint and an oil collecting pipe; the floating oil collecting tank is hung outside the central cylinder, and the floating upper limit limiter and the floating lower limit limiter are respectively fixed above and below the floating oil collecting tank; a plurality of floats are fixed at the lower end of the floating oil collecting tank, so that the floating oil collecting tank can float in water and is immersed in the crude oil at the upper layer; the floating oil collecting tank guide rod is fixed on the central cylinder, controls the floating oil collecting tank to float directionally, and can keep the structure of the floating oil collecting tank balanced to prevent the floating oil collecting tank from inclining and being unbalanced; the floating oil collecting tank is connected with the oil collecting pipe through a universal joint. The device will float and receive oily principle and produced water sedimentation separation process and combine together, solved the unable unsteady oil of receiving of coagulating sedimentation tank commonly used in the united station, fixed oily structure of receiving receives the problem of oily inefficiency, realizes high-efficient, receive oil in succession in the jar.
Description
Technical Field
The utility model relates to an oil field extraction water treatment facilities, concretely relates to a coagulation and sedimentation tank center section of thick bamboo floating installation.
Background
The interior of the coagulation sedimentation tank for treating the produced water in the oil field is provided with a central cylinder, generally 5000m3The diameter of the central cylinder of the storage tank is about 6m and is positioned in the center of the storage tank. In the process of treating the produced water, water flow firstly enters the upper half part of the central cylinder and is mixed and reacted with a coagulant and a flocculating agent which are added, water is uniformly distributed through the upper radial flow hole or the water distribution device, the produced water after sedimentation separation enters the lower half part of the central cylinder through the water collection device at the bottom of the storage tank, and the produced water flows out of the tank through the water outlet pipe. The central cylinder is divided into an upper part and a lower part, the middle part is isolated by a sealing clapboard, one function is to evenly distribute the produced water entering the tank by utilizing the upper space of the sealing clapboard, and the other function is to stably collect the treated produced water. Crude oil separated by the coagulation and sedimentation tank floats to the upper part of the liquid level of the storage tank and is recovered by the fixed oil receiving tank.
Fixed oil receiving tank oil receiving efficiency is not high, oil receiving tank generally is higher than storage tank production liquid level, close little outlet valve through the manual work, improve the liquid level to oil receiving tank, crude oil overflows outside the jar, but to big volume storage tank, the liquid level is generally difficult to adjust, outlet valve is greater than DN500, a workman both wants adjusting valve, observe the liquid level again, still operate oil receiving pump, the liquid level of regulation often exceeds oil receiving tank greatly, it is a large amount of produced water to receive the oil initial stage, later just be a small amount of crude oil, low efficiency, retrieve invalid produced water energy consumption height.
The floating oil recovery device is widely applied to a produced water treatment system, but the floating oil recovery device cannot be installed in the middle due to the coagulation and sedimentation center cylinder, and crude oil in an annular area between the tank wall and the center cylinder cannot be effectively collected.
Therefore, a floating device which can meet the structural requirements of the treatment of the produced water of the central cylinder of the coagulation settling tank and can improve the oil recovery rate is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a coagulating sedimentation tank center section of thick bamboo floating installation, the device will float and receive oily principle and produced water sedimentation separation process and combine together, has solved the unable unsteady receipts oil of coagulating sedimentation tank commonly used in combined station, and the fixed oily structure of receipts receives the problem of oily inefficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a coagulation sedimentation tank center section of thick bamboo floating installation, it is including unsteady oil trap, the upper limit stopper that floats, the oil trap guide arm that floats, and is cursory, unsteady lower limit stopper, the universal joint receives oil pipe.
The floating oil collecting tank is hung outside the central cylinder, and the floating upper limit limiter and the floating lower limit limiter are respectively fixed above and below the floating oil collecting tank; a plurality of floats are fixed at the lower end of the floating oil collecting tank, so that the floating oil collecting tank can float in water and is immersed in the crude oil at the upper layer; the floating oil collecting tank guide rod is fixed on the central cylinder, controls the floating oil collecting tank to float directionally, and can keep the structure of the floating oil collecting tank balanced to prevent the floating oil collecting tank from inclining and being unbalanced; the floating oil collecting tank is connected with the oil collecting pipe through a universal joint. The floating oil collecting tank is always immersed 10-20cm below the liquid level, the crude oil overflows into the floating oil collecting tank, the oil collecting pipeline is connected with the floating oil collecting tank through a universal joint, and the crude oil can flow out by opening an oil collecting valve outside the tank.
Further, the floating oil collecting groove is annular. The floating oil collecting tank can be lifted along with the liquid level and is immersed in the crude oil at the upper part all the time, the crude oil can flow out of the tank as long as an oil collecting valve is opened, the oil thickness in the tank is kept within a production requirement range, the oil collecting condition can be observed through sampling in the oil collecting process, the oil collecting operation is completed when the visual inspection is high in water content, and the operation is easy.
Furthermore, a plurality of central cylinder water distribution holes are also arranged on the central cylinder.
Furthermore, a floating upper limit limiter is arranged at the position of 100-150cm above the water distribution hole of the central cylinder, and a floating lower limit limiter is arranged at the position of 10-20cm above the water distribution hole of the central cylinder. When the liquid level is reduced, the floating oil collecting tank falls on the lower limit limiter, and when the liquid level is ultrahigh, the upper limit limiter limits the floating oil collecting tank to float so as to prevent the floating oil collecting tank from colliding.
Furthermore, the oil collecting pipe is connected with three universal joints, and the three universal joints control the oil collecting pipe to move up and down along with the floating oil collecting tank.
Furthermore, a water inlet pipe and a water outlet pipe are respectively arranged on the central cylinder; the water outlet pipe is connected with the water outlet tank.
Furthermore, mud pipe groups are respectively arranged on two sides of the bottom of the central cylinder.
The utility model discloses still provide above the application method of coagulating sedimentation tank center section of thick bamboo floating installation, including following step:
1) opening an inlet valve of the coagulation sedimentation tank, and allowing the produced water to enter a central cylinder through a water inlet pipe and enter the tank through a water distribution hole of an upper central cylinder;
2) after the liquid level reaches the designated height, the float is subjected to the buoyancy action of water, the floating oil collecting tank on the floating lower limit limiter floats on the water surface, and the floating oil collecting tank rod controls the floating oil collecting tank to float directionally;
3) when the liquid level is ultrahigh, the floating upper limit limiter controls the maximum height of the floating oil collecting tank to ensure safe operation;
4) when the oil recovery device is operated for a period of time, an oil layer with a certain thickness is gradually accumulated on the upper part, crude oil overflows into the floating oil collecting tank, and the universal joint controls the oil recovery pipe to move up and down along with the floating oil collecting tank;
5) opening an oil outlet valve of the tank, and recovering the collected crude oil through an oil collecting pipe; the water in the central cylinder is discharged into a water outlet tank through a water outlet pipe, and the sludge at the bottom is discharged through a sludge discharge pipe group.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses the original component of make full use of designs floating center section of thick bamboo structure, does not change storage tank isolating construction, has realized high-efficient, the oil of receiving in succession in the jar.
A floating installation at the center of the coagulation and sedimentation tank is simple in structure, easy to operate and use and has important significance for improving the oil receiving efficiency of the coagulation and sedimentation tank.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of a floating device of a center cylinder of a coagulation sedimentation tank in embodiment 1 of the present invention.
In the figure, 1, a floating upper limit limiter, 2, a floating oil collecting tank guide rod, 3, a floating oil collecting tank, 4, a buoy, 5, a floating lower limit limiter, 6, a central cylinder water distribution hole, 7, a first universal joint, 8, a water outlet water tank, 9, an oil collecting pipe, 10, a water outlet pipe, 11, a second universal joint, 12, a water inlet pipe, 13, a third universal joint and 14, a sludge discharge pipe group.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.
In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.
Example 1
As shown in figure 1, the floating device of the central cylinder of the coagulation sedimentation tank comprises a floating upper limit limiter 1, a floating oil collecting tank guide rod 2, a floating oil collecting tank 3, a float 4, a floating lower limit limiter 5 and a central cylinder water distribution hole 6,
a first universal joint 7, a water outlet tank 8, an oil collecting pipe 9, a water outlet pipe 10, a second universal joint 11, a water inlet pipe 12,
a third universal joint 13 and a mud discharge pipe group 14.
The floating oil collecting tank 3 is annular and is hung outside the central cylinder, and the floating upper limit limiter 1 and the floating lower limit limiter 5 are respectively fixed above and below the floating oil collecting tank 3; four floats 4 are uniformly fixed at the lower end of the floating oil collecting tank 3; the floating oil collecting tank guide rod 2 is fixed on the central cylinder and controls the floating oil collecting tank 3 to float directionally; the floating oil collecting tank 3 is connected with the oil collecting pipe 9 through a first universal joint 7, a second universal joint 11 and a third universal joint 13.
The central cylinder is also provided with a plurality of central cylinder water distribution holes 6. The floating upper limit limiter 1 is arranged at the position of 100-150cm above the central cylinder water distribution hole 6, and the floating lower limit limiter 5 is arranged at the position of 10-20cm above the central cylinder water distribution hole 6.
The central cylinder is respectively provided with a water inlet pipe 12 and a water outlet pipe 10; the water outlet pipe 10 is connected with the water outlet tank 8.
And a sludge discharge pipe group 14 is also arranged at the bottom of the central cylinder twice respectively.
Example 2
The use method of the floating device of the center cylinder of the coagulation sedimentation tank in the embodiment 1 comprises the following steps:
1) opening an inlet valve of the coagulation sedimentation tank, and allowing the produced water to enter the central cylinder through the water inlet pipe 12 and enter the tank through the water distribution hole 6 of the upper central cylinder;
2) after the liquid level reaches the designated height, the float 4 is subjected to the buoyancy action of water, the floating oil collecting tank 3 on the floating lower limit limiter 5 floats on the water surface, and the floating oil collecting tank rod 2 controls the floating oil collecting tank 3 to float directionally;
3) when the liquid level is ultrahigh, the floating upper limit limiter 1 controls the maximum height of the floating oil collecting tank 3, and the safe operation is ensured.
4) When the floating oil collecting tank is operated for a period of time, an oil layer with a certain thickness is gradually accumulated on the upper part, crude oil overflows into the floating oil collecting tank 3, and the first universal joint 7, the second universal joint 11 and the third universal joint 13 control the oil collecting pipe 9 to move up and down along with the floating oil collecting tank 3;
5. opening a tank oil outlet valve, and recovering the collected crude oil through an oil recovery pipe 9; the water in the central cylinder is discharged into a water outlet tank 8 through a water outlet pipe 10, and the sludge at the bottom is discharged through a sludge discharge pipe group 14.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. A floating device for a central cylinder of a coagulation sedimentation tank is characterized by comprising a floating oil collecting tank, a floating upper limit limiter, a floating oil collecting tank guide rod, a float, a floating lower limit limiter, a universal joint and an oil collecting pipe;
the floating oil collecting tank is hung outside the central cylinder, and the floating upper limit limiter and the floating lower limit limiter are respectively fixed above and below the floating oil collecting tank; the lower end of the floating oil collecting tank is fixed with a plurality of floats; the floating oil collecting tank guide rod is fixed on the central cylinder and controls the floating oil collecting tank to float directionally; the floating oil collecting tank is connected with the oil collecting pipe through a universal joint.
2. The floating device for the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein the floating oil sump is annular.
3. The floating device of the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein a plurality of central cylinder water distribution holes are further provided in the central cylinder.
4. The floating device of the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein a floating upper limit stopper is installed at a position of 100-150cm above the water distribution hole of the central cylinder, and a floating lower limit stopper is installed at a position of 10-20cm above the water distribution hole of the central cylinder.
5. The floating device for the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein the oil collecting pipe is connected with three universal joints.
6. The floating device of the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein the central cylinder is provided with a water inlet pipe and a water outlet pipe; the water outlet pipe is connected with the water outlet tank.
7. The floating device of the central cylinder of the coagulation sedimentation tank as claimed in claim 1, wherein the bottom of the central cylinder is provided with a mud pipe group twice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697910.5U CN215161203U (en) | 2021-04-06 | 2021-04-06 | Floating device for central cylinder of coagulation settling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697910.5U CN215161203U (en) | 2021-04-06 | 2021-04-06 | Floating device for central cylinder of coagulation settling tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161203U true CN215161203U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120697910.5U Active CN215161203U (en) | 2021-04-06 | 2021-04-06 | Floating device for central cylinder of coagulation settling tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161203U (en) |
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2021
- 2021-04-06 CN CN202120697910.5U patent/CN215161203U/en active Active
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