Anti-blocking liquid-gas separator for oil and gas exploitation

Abstract

The utility model relates to the technical field of separators, and particularly discloses an anti-blocking type liquid-gas separator for oil and gas exploitation, which comprises a tank body, a front solid separating device is communicated with one side of the tank body and comprises a box body, a liquid inlet pipe is connected to the upper part of the left side of the box body, and a partition plate is vertically arranged in the middle of the interior of the box body. A filter screen is arranged between the lower end of the partition plate and the bottom of the box body, the two sides of the bottom of the box body are each of a funnel structure and connected with a first blow-off pipe, a telescopic mechanism is arranged at the top of the box body, a U-shaped fork is arranged at the extending end of the telescopic mechanism, and cleaning brushes are arranged on the inner sides of the two fork heads of the U-shaped fork; an exhaust pipe is arranged at the top of the tank body, and a liquid discharge pipe is inserted into the bottom of the tank body. According to the utility model, the front solid substance separation device is arranged on the tank body to primarily filter solid impurities in oil in advance, so that the deposition speed of solid substances in the tank body is slowed down, the cleaning period is prolonged, and the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of separator, concretely to a prevent stifled liquid gas separator for oil gas exploitation. BACKGROUND

[0002] The liquid gas separator is a primary degassing separation device for drilling fluid in the underbalanced drilling oil extraction separation system; the commonly used liquid gas separator is provided with a liquid outlet at the bottom of the separator tank body, and the solid impurities such as mud, sand and cuttings in the drilling fluid are distributed at the bottom of the separator tank body by sedimentation, which easily blocks the liquid inlet of the liquid outlet pipe at the bottom of the tank body, and affects the normal operation of the separation work.

[0003] The Chinese patent CN211230313U discloses a drilling liquid gas separator with anti-blocking function, which comprises a base, a bracket fixedly installed on the top of the base, a tank body fixedly installed on the top of the bracket, an inlet hole formed on the front surface of the tank body, a liquid inlet pipe fixedly installed on the left top of the tank body, and a liquid inlet pipe joint fixedly installed on the left bottom of the liquid inlet pipe.

[0004] The above technical solution removes the solid matter in the liquid by the settling mode of the tank body and discharges it through the bottom drain pipe. Since all the solid matter is accumulated in the tank body, regular shutdown maintenance is required, which reduces the work efficiency. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model adopts the following technical solution.

[0006] The utility model provides an anti -blocking liquid gas separator for oil and gas exploitation, including, the tank body is connected with the front -mounted solid -state object separation device on one side, the front -mounted solid -state object separation device includes the box, the left side upper portion of box is connected with the liquid inlet pipe, the inside middle part of box is vertically provided with the baffle, the upper end of baffle is connected with the top of box, the lower end between baffle bottom and the bottom of box is provided with the filter screen, the bottom both sides of box are funnel structure and are connected with the blowdown pipe no.

[0007] As preferred, the bottom of the tank is provided with a blowdown pipe two at the lowest point, and a valve three is provided on the blowdown pipe two.

[0008] As preferred, the top end of the liquid discharge pipe is provided with a protective cover.

[0009] As preferred, the inside wall of the tank and below the connecting pipe is provided with a rotating shaft one horizontally, a impeller is rotatably provided on the rotating shaft one, the inside of the impeller is connected with a rotating shaft two, the end of the rotating shaft two is connected with a bevel gear one, a rotating shaft three is vertically provided in the tank through a support, a bevel gear two is provided on the lower end of the rotating shaft three, a fan is provided on the upper end of the rotating shaft three, and the fan is provided in the exhaust pipe.

[0010] As preferred, the impeller is provided with a plurality of protrusions.

[0011] As preferred, the blowdown pipe two is an L-shaped pipe, and a stirring mechanism is provided in the vertical section of the blowdown pipe two.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a front-mounted solid-state object separation device on the tank, so that the solid impurities in the oil liquid can be preliminarily filtered, thereby delaying the deposition rate of solid objects in the tank, prolonging the cleaning cycle and improving the use efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure of the utility model sectional view schematic diagram;

[0015] Figure 2 It is Figure 1 Structure schematic view of A in the middle;

[0016] Figure 3 It is Figure 1 Structure schematic view of B in the middle.

[0017] In the figure: 1, tank body; 2, box body; 3, liquid inlet pipe; 4, partition; 5, filter screen; 6, drain pipe one; 7, valve one; 8, telescopic mechanism; 9, U-shaped fork; 10, cleaning brush; 11, connecting pipe; 12, exhaust pipe; 13, liquid outlet pipe; 14, valve two; 15, drain pipe two; 16, valve three; 17, protective cover; 18, rotating shaft one; 19, impeller; 20, rotating shaft two; 21, bevel gear one; 22, rotating shaft three; 23, bevel gear two; 24, fan; 25, protruding block; 26, stirring mechanism. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.

[0019] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms 'upper', 'lower', 'inner', 'outer', 'top / bottom end' and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the terms 'first','second' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'provided with','sleeved / connected', 'connected' and the like should be understood in a broad sense, for example, 'connected' can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. EMBODIMENT

[0021] As Figures 1-3As shown in the embodiment, the anti-blocking liquid-gas separator for oil and gas exploitation comprises a tank body 1, a front solid-state separator arranged on one side of the tank body 1, the front solid-state separator comprising a box body 2, a liquid inlet pipe 3 connected to the upper left side of the box body 2, a partition plate 4 vertically arranged in the middle of the box body 2, the upper end of the partition plate 4 connected to the top of the box body 2, a filter screen 5 arranged between the lower end of the partition plate 4 and the bottom of the box body 2, both sides of the bottom of the box body 2 being funnel-shaped and respectively connected to a first blow-off pipe 6, a valve 7 arranged on the first blow-off pipe 6, a telescopic mechanism 8 arranged on the top of the box body 2, a U-shaped fork 9 arranged on the extended end of the telescopic mechanism 8, a cleaning brush 10 arranged on the inner side of the two prongs of the U-shaped fork 9, the right side of the box body 2 connected to the upper part of the tank body 1 through a connecting pipe 11, an exhaust pipe 12 arranged on the top of the tank body 1, a liquid outlet pipe 13 inserted into the bottom of the tank body 1, and a valve 14 arranged on the liquid outlet pipe 13. In the embodiment, the telescopic mechanism 8 is an electric telescopic rod.

[0022] In the embodiment, a second blow-off pipe 15 is arranged at the lowest part of the bottom of the tank body 1, and a valve 16 is arranged on the second blow-off pipe 15.

[0023] In order to prevent oil liquid from directly entering the liquid outlet pipe 13, in the embodiment, a protective cover 17 is arranged on the top end of the liquid outlet pipe 13.

[0024] In order to break the gas bubbles mixed in the oil liquid and facilitate the release of gas, in the embodiment, a rotating shaft 18 is horizontally arranged on the inner side wall of the tank body 1 below the connecting pipe 11, an impeller 19 is rotatably arranged on the rotating shaft 18, a rotating shaft 20 is connected and arranged on the inward side of the impeller 19, a bevel gear 21 is arranged on the end of the rotating shaft 20, a rotating shaft 22 is vertically arranged in the tank body 1 through a support, a bevel gear 23 is arranged on the lower end of the rotating shaft 22, a fan 24 is arranged on the upper end of the rotating shaft 22, and the fan 24 is arranged in the exhaust pipe 12.

[0025] In order to break the steam pocket and facilitate the release of gas, in the embodiment, a plurality of protrusions 25 are arranged on the impeller 19.

[0026] In order to facilitate the discharge of solid deposits and prevent blockage, in the embodiment, the second blow-off pipe 15 is an L-shaped pipe, and a stirring mechanism 26 is arranged in the vertical section of the second blow-off pipe 15.

[0027] The working principle and beneficial effects of the above technical solution are as follows:

[0028] In use, the oil liquid enters the box 2 through the inlet pipe 3, and then is filtered for the first time through the filter screen 5, and then enters the tank 1 through the connecting pipe 11, and the oil liquid flows out from the connecting pipe 11, and under the action of gravity, impacts the impeller 19, drives the impeller 19 to rotate, the impeller 19 drives the shaft two 20, and then drives the bevel gear one 21 to rotate, the bevel gear one 21 and the bevel gear two 23 are engaged and driven, the bevel gear two 23 drives the shaft three 22 to rotate, and the shaft three 22 drives the fan 24 to rotate, so that the gas in the tank 1 is extracted, and the gas is discharged more smoothly. The liquid in the tank 1 is discharged through the liquid discharge pipe 13. After working for a period of time, the stirring mechanism 26 and the valve three 16 are opened, and the solid material deposited in the tank 1 is discharged. The control lifting device is repeatedly moved, so that the filter screen 5 is cleaned by the cleaning brush 10, and the solid material removed is respectively entered into the funnel structures on both sides, and finally discharged through the valve one 7.

[0029] Compared with the prior art, the utility model discloses a front solid material separation device is arranged on the tank 1, so that the solid impurities in the oil liquid can be filtered in advance, the deposition speed of the solid material in the tank 1 is delayed, the cleaning period is prolonged, and the use efficiency is improved.

[0030] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the improvement concept of the utility model, is equivalent to replace or change, and should be covered in the protection scope of the utility model.

Claims

1. An anti-clogging liquid-gas separator for use in oil and gas production, characterized in that, Including, the tank body (1), the tank body (1) one side is provided with the front solid-liquid separation device, the front solid-liquid separation device includes the box (2), the box (2) left side upper portion is connected with the liquid inlet pipe (3), the box (2) is vertically provided with the partition (4) in the middle part, the upper end of the partition (4) is connected with the top of the box (2), the filter screen (5) is arranged between the lower end of the partition (4) and the bottom of the box (2), the bottom of the box (2) both sides are funnel structure and are connected with the drain pipe one (6) respectively, the drain pipe one (6) is provided with the valve one (7), the top of the box (2) is provided with the telescopic mechanism (8), the telescopic mechanism (8) is provided with the U-shaped fork (9) at the extension end, the inner side of the two prongs of the U-shaped fork (9) is provided with the cleaning brush (10), the box (2) right side is connected with the upper portion of the tank body (1) by the connecting pipe (11), the top of the tank body (1) is provided with the exhaust pipe (12), the bottom of the tank body (1) is inserted with the drain pipe (13), the drain pipe (13) is provided with the valve two (14).

2. The anti-blocking liquid-gas separator for oil and gas production according to claim 1, characterized in that, The bottom of the tank body (1) is provided with the drain pipe two (15), and the drain pipe two (15) is provided with the valve three (16).

3. The anti-blocking liquid-gas separator for oil and gas production according to claim 1, characterized in that, The top end of the drain pipe (13) is provided with the protective cover (17).

4. The anti-blocking liquid-gas separator for oil and gas production according to claim 3, characterized in that, The inside wall of the tank body (1) and below the connecting pipe (11) are provided with the rotating shaft one (18) horizontally, the rotating shaft one (18) is provided with the impeller (19) rotationally, the inward side of the impeller (19) is connected with the rotating shaft two (20), the end of the rotating shaft two (20) is connected with the bevel gear one (21), the tank body (1) is vertically provided with the rotating shaft three (22) through the support, the lower end of the rotating shaft three (22) is provided with the bevel gear two (23), the upper end of the rotating shaft three (22) is provided with the fan (24), and the fan (24) is arranged in the exhaust pipe (12).

5. The anti-blocking liquid-gas separator for oil and gas production according to claim 4, characterized in that, The impeller (19) is provided with a plurality of protrusions (25).

6. The anti-blocking liquid-gas separator for oil and gas production according to claim 2, wherein, The drain pipe two (15) is L-shaped pipe, and the vertical section of the drain pipe two (15) is provided with the stirring mechanism (26).

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