CN214160067U - Can handle horizontal centrifuge that flowing back is returned in fracturing - Google Patents
Can handle horizontal centrifuge that flowing back is returned in fracturing Download PDFInfo
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- CN214160067U CN214160067U CN202022107049.0U CN202022107049U CN214160067U CN 214160067 U CN214160067 U CN 214160067U CN 202022107049 U CN202022107049 U CN 202022107049U CN 214160067 U CN214160067 U CN 214160067U
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Abstract
The utility model discloses a horizontal centrifuge capable of processing fracturing flowback fluid, which belongs to the field of fracturing flowback fluid processing, wherein the horizontal centrifuge is a machine for separating each component in liquid and solid particles or a mixture of liquid and liquid by utilizing centrifugal force, and mainly comprises a feed pipe, a spiral, a rotary drum, a machine body and a power shaft, the rotary drum is arranged in the machine body, the machine body is arranged on a frame, the spiral is arranged in the rotary drum, one end of the spiral is provided with the feed pipe, the other end of the spiral is connected with the power shaft by a connecting shaft, one end of the rotary drum is provided with a liquid discharge port, the other end of the rotary drum is provided with a solid discharge port, the spiral is provided with an outlet, the outlet is provided with an isolating layer, the utility model adopts a high-rotating-speed horizontal separator to replace a filter press or a ceramic filter, the rotating direction of the rotary drum is opposite to the rotating direction of materials driven by the spiral, and the isolating layer is arranged, the solid-liquid separation in the flowback fluid is realized, the solid-liquid separation efficiency at the tail end of the fracturing flowback fluid process is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to a flowing back field of handling is returned in fracturing, specifically is a horizontal centrifuge that can handle flowing back is returned in fracturing.
Background
The fracturing flowback fluid generated after oilfield fracturing construction mainly comes from two aspects: firstly, a large amount of well washing wastewater generated by active well washing operation is adopted before and after construction; the other is fracturing gel breaking liquid which is discharged from a shaft after fracturing construction is finished, and residual raw gel liquid (base liquid).
The flowback fluid not only contains crude oil, pressed polymeric organic matters and ceramsite sand (or quartz sand), but also contains infiltrated water, infiltrated rock nitrate and various saprophytic bacteria in the stratum, particularly SRB bacteria with obvious harm. In general, such flowback fluids have the following characteristics:
1. the components are complex, the variety is many, the content is high: the main components of the flowback fluid are high-concentration guanidine gum/jelly (containing broken gum and non-broken gum), high molecular polymer, oil in ground crevice and the like, and then SRB sulfate reducing bacteria, sulfide, total iron and the like are added, and the total iron and total sulfur content is about 20mg/L generally;
2. large viscosity, high emulsification degree and great harm to the environment: wherein the viscosity of the open-spray liquid is high and is 10-20Pa.S on average.
Because of the requirement of environmental protection, the fracturing flowback fluid can be discharged after being treated, and the current common treatment method is a physical and chemical treatment method of the fracturing fluid. The treatment process comprises the following steps: the treatment process of the fracturing flow-back fluid at the present stage comprises the following steps: aeration → gel breaking → acid-base equilibrium coagulation → precipitation → primary filtration → fine filtration → reuse water. In the process of the treatment process, the end process is as follows: fine filtration → reuse water → (solid), and the equipment commonly used in this process is a filter press or a ceramic filter. In the production process, the process and the equipment have high cost and low efficiency, and the filter press occupies large area and brings inconvenience to equipment transportation.
Therefore, it is desirable to provide a horizontal centrifuge capable of treating a fracturing flow-back fluid, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a can handle horizontal centrifuge that flowing back was returned to fracturing is provided to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a horizontal centrifuge capable of treating fracturing flow-back fluid comprises a feeding pipe, a spiral line, a rotary drum, a machine body and a power shaft, wherein the spiral line is installed inside the rotary drum, spiral blades are arranged on the spiral line, a feeding pipe is arranged at one end of the spiral line, a discharging hole is formed in the other end of the spiral line, the feeding pipe is connected with an inner cavity of the spiral line, the rotary drum is installed inside the machine body, and the left end of the spiral line is connected with the power shaft; the left end of the rotary drum is provided with a solid matter outlet, the right end of the rotary drum is provided with a liquid outlet, and the machine body is arranged on the frame.
As a further proposal of the utility model, the size and the shape of the rotary drum are matched with the spiral, and the spiral is arranged at the center inside the rotary drum.
As the utility model discloses a further scheme, the inlet pipe sets up at spiral inner chamber right side center, the left end of spiral is the circular cone type, and the right-hand member is cylindrical, and the left end of cylindrical spiral is equipped with the export, the exit is equipped with the isolation layer, and through centrifugal action, the hydrone gets rid of the skin through the isolation layer, and the sand is detained in the isolation layer.
As a further aspect of the present invention, the two ends of the drum are provided with collecting boxes, and the solid outlet and the liquid outlet are disposed inside the collecting boxes, and the collecting boxes are used to collect the solid residue discharged from the solid outlet and the liquid discharged from the liquid outlet.
As a further scheme of the utility model, the left end of spiral is installed in the collecting box, the left end of spiral and the one end fixed connection of connecting axle, the other end of connecting axle is connected with the power shaft, the connecting axle passes through the bearing and installs in the frame, the last recess that is equipped with of power shaft makes things convenient for belt and driving motor's being connected.
As a further aspect of the present invention, the bearing is a rolling bearing, the bearing is installed in the bearing installation seat, and the bearing installation seat is fixed in the frame.
As a further scheme of the utility model, rack-mount is on the sled, and fixed connection between frame and the sled also can adorn on same sled with relevant equipment according to the particular case of each oil well equipment, makes things convenient for device's transportation.
To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model discloses when handling the fracturing and returning flowing back, the technology is unchangeable, changes the service equipment, replaces pressure filter or pottery with high-speed horizontal separator and filters the back, makes the working process simplify, when having improved the treatment rate, has also reached the purpose of increasing effect and lowering costs.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of a current stage treatment process flow of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the horizontal centrifuge in embodiment 1 of the present invention.
Fig. 3 is a schematic view of an inclined installation structure of the horizontal centrifuge in embodiment 2 of the present invention.
Reference numerals: 1-feeding pipe, 2-spiral, 3-rotary drum, 4-machine body, 5-machine frame, 6-power shaft, 7-helical blade, 8-isolating layer, 9-solid discharge port, 10-liquid discharge port, 11-connecting shaft, 12-bearing, 13-bearing mounting seat, 14-groove, 15-supporting plate and 16-collecting box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "middle", "one end", "the other end", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In addition, it should be noted that unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, and an integral connection; can be mechanically or electrically connected; the term "connected" refers to a connection between two elements or an interaction between two elements, and unless otherwise specifically defined, the term is used in the present invention to refer to the specific meaning of the term in the present invention.
The following detailed description is provided for the specific embodiments of the present invention.
Example 1
Referring to fig. 1-2, a horizontal centrifuge capable of treating fracturing flowback fluid mainly comprises a feed pipe 1, a spiral 2, a rotary drum 3, a machine body 4 and a power shaft 6.
A spiral line 2 is installed inside the rotary drum 3, a spiral blade 7 is arranged on the spiral line 2, a feeding pipe 1 is arranged at one end of the spiral line 2, a discharging port is formed in the other end of the spiral line 2, the feeding pipe 1 is connected with an inner cavity of the spiral line 2, the rotary drum 3 is installed inside the machine body 4, and the left end of the spiral line 2 is connected with a power shaft 6; the left end of the rotary drum 3 is provided with a solid material outlet 9, the right end is provided with a liquid outlet 10, and the machine body 4 is arranged on the frame 5.
Inlet pipe 1 sets up at 2 chamber right side centers on spiral, the left end of spiral 2 is the circular cone type, and the right-hand member is cylindrical, and the left end of cylindrical spiral 2 is equipped with the export, the export is equipped with isolation layer 8, and the left end of circular cone type spiral 2 is equipped with the discharge gate, and through centrifugal action, the hydrone gets rid of the skin through isolation layer 8, and the sand is detained in isolation layer 8.
The size and the shape of the rotary drum 3 are matched with those of the spiral 2, the spiral 2 is arranged in the center inside the rotary drum 3, collecting boxes 16 are arranged at two ends of the rotary drum 3, a solid matter discharge port 9 and a liquid discharge port 10 are respectively arranged at two ends of the rotary drum 3, the solid matter discharge port 9 and the liquid discharge port 10 are arranged inside the collecting boxes 16, and solid residues discharged from the solid matter discharge port 9 and liquid discharged from the liquid discharge port 10 are respectively collected through the collecting boxes 16.
The left end of the spiral 2 is installed in the collection box 16, the left end of the spiral 2 is fixedly connected with one end of the connecting shaft 11, the other end of the connecting shaft 11 is connected with the power shaft 6, the connecting shaft 11 is installed on the rack 5 through the bearing 12, the bearing 12 is a rolling bearing, the bearing 12 is installed in the bearing installation seat 13, the bearing installation seat 13 is fixed on the rack 5, and the power shaft 6 is provided with the groove 14 which facilitates connection of a belt and a driving motor.
The horizontal centrifuge is arranged on the frame 5, the frame 5 is fixed on the pry, and the horizontal centrifuge can be arranged on the same pry with related equipment according to the specific conditions of each oil well equipment, so that the transportation of the device is facilitated.
The utility model discloses a theory of operation is: the fracturing flow-back fluid to be separated enters an inner cavity of a spiral 2 through a feeding pipe 1, the rotation direction of a rotary drum 3 is opposite to the rotation direction of a material driven by the spiral 2 through a power shaft 6, under the action of centrifugal force, in the process that the material rotates and moves leftwards from the feeding pipe 1, water and solid in the fracturing flow-back fluid are fully separated through an isolation layer 8 to obtain solid residue with the water content lower than 5%, the separated water is discharged out of a machine body 4 through a liquid discharge port 10, the solid residue is discharged out of the machine body 4 through a solid discharge port 9, the discharged solid residue and liquid are collected through a collection box 16, and in order to improve the efficiency of solid separation at the tail end of a fracturing flow-back fluid working procedure and reduce the cost, a high-rotation-speed horizontal separator is used for replacing a filter press or a ceramic filter; the process is not changed, the used equipment is changed, the high-speed horizontal separator is used for replacing a filter press or ceramic filtration, the working process is simplified, the processing speed is improved, and the purposes of increasing efficiency and reducing cost are achieved.
Example 2
Referring to fig. 1 to 3, a horizontal centrifuge capable of treating fracturing flow-back fluid includes a feeding pipe 1, a spiral 2, a rotary drum 3, a machine body 4, a power shaft 6 and a support plate 15.
The bottom erection backup pad 15 of frame 5, fixed connection between frame 5 and the backup pad 15, backup pad 15 is the hang plate, and the bottom fixed mounting of backup pad 15 makes the feed inlet be higher than the discharge gate on the sled, in the actual work, with the certain angle installation of horizontal centrifuge slope, under the effect of gravity, the separation effect of device can be better, has improved work efficiency, has saved operating time.
The rest of the structure of this example is the same as example 1.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The horizontal centrifuge capable of treating fracturing flowback fluid comprises a feeding pipe (1), a spiral line (2), a rotary drum (3), a machine body (4) and a power shaft (6), and is characterized in that the spiral line (2) is installed inside the rotary drum (3), spiral blades (7) are arranged on the spiral line (2), the feeding pipe (1) is arranged at one end of the spiral line (2), a discharge hole is formed in the other end of the spiral line (2), the feeding pipe (1) is connected with an inner cavity of the spiral line (2), and the left end of the spiral line (2) is connected with the power shaft (6); the rotary drum (3) is arranged in the machine body (4), a solid body discharge port (9) is arranged at one end of the rotary drum (3), a liquid discharge port (10) is arranged at the other end of the rotary drum, and the machine body (4) is arranged on the machine frame (5).
2. A horizontal centrifuge for treating fracturing flowback fluid according to claim 1, wherein the bowl (3) is sized and shaped to fit the spiral (2), and the spiral (2) is installed in the center inside the bowl (3).
3. The horizontal centrifuge capable of treating fracturing flow-back fluid is characterized in that the feeding pipe (1) is arranged in the center of the right side of an inner cavity of the spiral (2), the left end of the spiral (2) is conical, the right end of the spiral is cylindrical, the left end of the cylindrical spiral (2) is provided with an outlet, and the outlet is provided with an isolating layer (8).
4. A horizontal centrifuge for treating frac flowback fluid according to claim 1 wherein the bowl (3) is provided with collection boxes (16) at both ends and the solids discharge port (9) and liquid discharge port (10) are provided inside the collection boxes (16).
5. The horizontal centrifuge capable of treating fracturing flow-back fluid according to claim 3, wherein the left end of the spiral (2) is installed in the collection box (16), the left end of the spiral (2) is fixedly connected with one end of the connecting shaft (11), the other end of the connecting shaft (11) is connected with the power shaft (6), the connecting shaft (11) is installed on the rack (5) through a bearing (12), and the power shaft (6) is provided with a groove (14).
6. The horizontal centrifuge capable of processing fracturing flow-back fluid is characterized in that the bearing (12) is a rolling bearing, the bearing (12) is installed in a bearing installation seat (13), and the bearing installation seat (13) is fixed on the frame (5).
7. The horizontal centrifuge capable of treating fracturing flow-back fluid is characterized in that the frame (5) is mounted on the pry, and the frame (5) is fixedly connected with the pry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022107049.0U CN214160067U (en) | 2020-09-23 | 2020-09-23 | Can handle horizontal centrifuge that flowing back is returned in fracturing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022107049.0U CN214160067U (en) | 2020-09-23 | 2020-09-23 | Can handle horizontal centrifuge that flowing back is returned in fracturing |
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| CN214160067U true CN214160067U (en) | 2021-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522465A (en) * | 2022-03-03 | 2022-05-24 | 江西炼石环保科技有限公司 | Residue separation and filtration device for fracturing flow-back fluid treatment |
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2020
- 2020-09-23 CN CN202022107049.0U patent/CN214160067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522465A (en) * | 2022-03-03 | 2022-05-24 | 江西炼石环保科技有限公司 | Residue separation and filtration device for fracturing flow-back fluid treatment |
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