Oil-water separator for oil field

Abstract

The utility model relates to the technical field of oil-water separation, in particular to an oil-water separator for an oil field, which comprises a bottom plate, a second shell is fixedly connected to the upper end of the outer wall of a supporting plate, and a filtering mechanism is arranged in the second shell. According to the oil-water separator for the oil field, through cooperation of a filtering mechanism and a second shell, an output shaft of a second servo motor rotates to drive an auger to rotate and enter a filtering frame, the auger is driven by the second servo motor to rotate so that impurities can be discharged into the second shell, frequent manual cleaning by workers is not needed, and the working efficiency is improved. Through cooperation of the rotating mechanism and the first shell, oil and water in the impurities can be separated out of the filter frame, enter the rotating barrel and then enter the collecting barrel through the water outlet, the rotating mechanism drives the rotating barrel to rotate so that the oil and water in the impurities can be further separated, filtering is more thorough, and waste and environmental pollution are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil water separation technical field, concretely is an oilfield oil water separator. BACKGROUND

[0002] Oilfield is the general term of a group of reservoir areas controlled by an oil storage structure, and the oil storage structure refers to the place (geological structure formed by the inclination, fracture, fold, etc. of rock stratum) that can gather oil (and natural gas), which often controls several to ten oil reservoir areas available for exploitation

[0003] For example, the oilfield gathering and transportation oil water separator with the announcement number "CN211169971U", the oilfield gathering and transportation oil water separator, through the fixed block installed to the sealing cover, and the movable groove is opened to the fixed block, and the clamping rod installed to the threaded rod extends into the clamping groove, so that the threaded rod can be moved, the extrusion block is screwed to the threaded rod, the fixed block and the positioning block can be extruded and fixed, so that the sealing cover is fixed, after the extrusion block is twisted, the extrusion block can be moved downward through the thread, then the threaded rod is pulled out of the positioning groove, the sealing cover can be opened, and the filter basket is taken out for cleaning, so that the purpose of facilitating the cleaning of the filter device is achieved. However, the above-mentioned device, the impurities discharged from the filter device need to be taken out by the staff, then the filter basket is taken out and cleaned, and then the filter device is installed back in the filter device, and the sealing cover is closed, which is relatively cumbersome, and the above-mentioned device, the impurities discharged from the filter device still contain part of the oil and water, which will cause environmental pollution and waste if thrown away. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that the above-mentioned device, the filter device needs to be cleaned by the staff every time, then the filter basket is taken out and cleaned, and then the filter device is installed back in the filter device, and the sealing cover is closed, which is relatively cumbersome, and the above-mentioned device, the impurities discharged from the filter device still contain part of the oil and water, which will cause environmental pollution and waste and provides an oilfield oil water separator.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An oilfield oil water separator is designed, which comprises a bottom plate, a support plate, a collection barrel, a first shell, a water pump and a separator are fixedly connected to the outer wall of the bottom plate from left to right in sequence, a rotating mechanism is arranged in the first shell, a second shell is fixedly connected to the outer wall of the upper end of the support plate, and a filtering mechanism is arranged in the second shell.

[0007] Preferably, the water suction end of the water pump is fixedly communicated with the collection barrel through a hose, and the water outlet end of the water pump is fixedly communicated with the separator through a hose.

[0008] Preferably, the rotating mechanism comprises a first servo motor, an output shaft of the first servo motor is fixedly connected with a gear, rotating shafts of the gear are rotatably connected with the first shell through bearings, an outer wall of the gear is in meshing connection with a tooth ring, an inner wall of the tooth ring is fixedly connected with a rotating barrel, and an upper end of the rotating barrel is fixedly connected with the filter frame through bolts.

[0009] Preferably, a lower end water outlet of the rotating barrel is rotatably connected with the collecting barrel through a bearing, an outer wall of the rotating barrel is rotatably connected with the first shell through a bearing, and an outer wall of the first servo motor is fixedly connected with the first shell through bolts.

[0010] Preferably, the filtering mechanism comprises a second servo motor, a discharge pipe and a discharge port, an output shaft of the second servo motor is fixedly connected with an auger, an outer wall of the auger is in abutment with a filter screen, and outer walls of both ends of the filter screen are fixedly connected with the second shell.

[0011] Preferably, an outer wall of the discharge port is fixedly connected with the second shell, outer walls of both ends of the discharge pipe are fixedly connected and communicated with the second shell and the collecting barrel respectively, and an outer wall of the second servo motor is fixedly connected with the second shell through bolts.

[0012] The oil-water separator for oil fields has the beneficial effects that: through cooperation of the filtering mechanism and the second shell, the output shaft of the second servo motor is rotated to drive the auger to rotate, the auger in abutment with the filter screen can drive impurities on the filter screen to move to the right, and the impurities are discharged from the second shell into the filter frame through the discharge port along with continuous rotation of the auger, and the impurities can be discharged from the second shell through rotation of the auger driven by the second servo motor, so that manual cleaning by workers is not needed frequently.

[0013] Through cooperation of the rotating mechanism and the first shell, the first servo motor is started, the output shaft of the first servo motor is rotated to drive the gear to rotate, the gear is rotated to drive the tooth ring to rotate, the tooth ring is rotated to drive the rotating barrel to rotate, the rotating barrel is rotated to drive the filter frame to rotate, and fast rotation makes the impurities close to the inner wall of the filter frame, oil and water in the impurities can be separated from the filter frame due to centrifugal force, enter the rotating barrel, and then enter the collecting barrel through the water outlet, and further separation of the oil and water in the impurities can be realized through rotation of the rotating barrel driven by the rotating mechanism, so that filtering is more thorough, waste is reduced, and environmental pollution is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a front view of the utility model; Figure 1

[0016] Figure 3 It is a cooperation view of the tooth ring and the gear; ​

[0017] Figure 4 is a partial right view of the filtering mechanism;

[0018] Figure 5 is Figure 2 is a structural schematic view of part A in the middle;

[0019] Figure 6 is Figure 1 is a structural schematic view of part B in the middle.

[0020] In the figure: 1, bottom plate, 2, collecting barrel, 3, water pump, 4, first shell, 5, rotating mechanism, 501, first servo motor, 502, gear, 503, gear ring, 504, rotating barrel, 505, filter frame, 6, separator, 7, second shell, 8, filtering mechanism, 801, second servo motor, 802, auger, 803, filter screen, 804, discharge port, 805, discharge pipe, 9, support plate. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings:

[0022] Referring to the accompanying Figures 1-6 :

[0023] In this embodiment, an oil-water separator for oil field includes a bottom plate 1, a support plate 9, a collecting barrel 2, a first shell 4, a water pump 3 and a separator 6 are sequentially and fixedly connected to the outer wall of the bottom plate 1 from left to right, the first shell 4 is internally provided with a rotating mechanism 5;

[0024] The outer wall of the support plate 9 is fixedly connected with a second shell 7, the inner wall of the second shell 7 has a slope, the second shell 7 is internally provided with a filtering mechanism 8, the water suction end of the water pump 3 is fixedly communicated with the collecting barrel 2 through a hose, the water outlet end of the water pump 3 is fixedly communicated with the separator 6 through a hose, and the water pump 3 can pump out the water in the collecting barrel 2 and deliver it into the separator 6.

[0025] Referring to the accompanying Figures 1-3 and 5-6:

[0026] The rotating mechanism 5 includes a first servo motor 501, the output shaft of the first servo motor 501 is fixedly connected with a gear 502, the output shaft of the first servo motor 501 drives the gear 502 to rotate, the rotating shafts of the gears 502 are rotatably connected with the first shell 4 through bearings, the outer wall of the gear 502 is meshingly connected with a gear ring 503, the gear 502 drives the gear ring 503 to rotate, the inner wall of the gear ring 503 is fixedly connected with a rotating barrel 504, and the gear ring 503 drives the rotating barrel 504 to rotate;

[0027] The upper end of the rotating barrel 504 is fixedly connected with the filter frame 505 through bolts, the rotating barrel 504 drives the filter frame 505 to rotate, the lower end of the rotating barrel 504 is rotatably connected with the collecting barrel 2 through a bearing, the lower end of the rotating barrel 504 can discharge the separated oil and water into the collecting barrel 2, and the outer wall of the rotating barrel 504 is rotatably connected with the first shell 4 through a bearing.

[0028] Referring to the drawings Figures 1-2 and 4:

[0029] The filtering mechanism 8 comprises a second servo motor 801, a discharge pipe 805 and a discharge port 804, the output shaft of the second servo motor 801 is fixedly connected with an auger 802, the output shaft of the second servo motor 801 drives the auger 802 to rotate, the outer wall of the auger 802 is attached to the filter screen 803, the auger 802 can drive the impurities on the filter screen 803 to move, and the outer walls of the two ends of the filter screen 803 are fixedly connected with the second shell 7.

[0030] The outer wall of the discharge port 804 is fixedly connected with the second shell 7, the discharge port 804 has a slope, the waste pushed out by the auger 802 can be discharged according to the slope, the outer walls of the two ends of the discharge pipe 805 are fixedly connected with the second shell 7 and the collecting barrel 2 respectively, the oil and water filtered through the filter screen 803 enter the collecting barrel 2 through the discharge pipe 805, and the outer wall of the second servo motor 801 is fixedly connected with the second shell 7 through bolts.

[0031] Working principle:

[0032] The oil and water separator is used for separating oil and water in an oil field.

[0033] Working process:

[0034] The worker pumps out the oil and water in the oil field through an external water pump and transports the oil and water to the second shell 7 through a feeding pipe on the second shell 7 (as shown in Figure 2 ), the oil and water are filtered through the filter screen 803, the impurities are left on the filter screen 803, and the downward flow enters the second shell 7, and flows to the left side due to the slope of the second shell 7 and then enters the collecting barrel 2 through the discharge pipe 805;

[0035] The second servo motor 801 is started at the same time, the output shaft of the second servo motor 801 drives the auger 802 to rotate, the auger 802 attached to the filter screen 803 can drive the impurities on the filter screen 803 to move to the right, and the impurities are discharged out of the second shell 7 through the discharge port 804 and enter the filter frame 505 along with the continuous rotation of the auger 803;

[0036] The first servo motor 501 is started (as shown in Figure 2), the output shaft of the first servo motor 501 rotates to drive the gear 502 to rotate, the gear 502 rotates to drive the gear ring 503 to rotate (as shown in Figure 3 ), the gear ring 503 rotates to drive the rotating barrel 504 to rotate (the rotating speed of the first servo motor 501 can be controlled through a PLC encoder), the rotating barrel 504 rotates to drive the filter frame 505 to rotate, fast rotation makes the impurities adhere to the inner wall of the filter frame 505, and due to the centrifugal force, the oil and water in the impurities can be separated from the filter frame 505 and enter the rotating barrel 504, and then enter the collecting barrel 2 through a water outlet (as shown in Figure 2 );

[0037] By starting the water pump 3 (as shown in Figure 1 ), the oil and water in the collecting barrel 2 are pumped out and then transported to the separator 6 (the separator 6 is a LYSF type oil-water separator, which separates oil and water through a gravity separation method, and oil and water have different densities, and large oil droplets gradually float to the top oil collection chamber under the action of gravity, and then water remains at the lower part) to separate oil and water.

[0038] When the impurities in the filter frame 505 are too much, the impurities can be salvaged by a salvaging spoon or the filter frame 505 is disassembled by rotating a bolt to realize cleaning of the filter frame 505.

[0039] Although the utility model has been illustrated and described through reference to preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An oil-water separator for use in oil fields, comprising a base plate (1), characterised in that: The outer wall upper end of the bottom plate (1) is sequentially fixedly connected with a support plate (9), a collecting barrel (2), a first shell (4), a water pump (3) and a separator (6) from left to right, the inside of the first shell (4) is provided with a rotating mechanism (5), the outer wall upper end of the support plate (9) is fixedly connected with a second shell (7), the inside of the second shell (7) is provided with a filtering mechanism (8).

2. The oilfield oil-water separator of claim 1, wherein: The water suction end of the water pump (3) is fixedly communicated with the collecting barrel (2) through a hose, and the water outlet end of the water pump (3) is fixedly communicated with the separator (6) through a hose.

3. The oilfield oil-water separator of claim 1, wherein: The rotating mechanism (5) comprises a first servo motor (501), the output shaft of the first servo motor (501) is fixedly connected with a gear (502), the rotating shafts of the gear (502) are all rotatably connected with the first shell (4) through bearings, the outer wall of the gear (502) is meshedly connected with a tooth ring (503), the inner wall of the tooth ring (503) is fixedly connected with a rotating barrel (504), and the upper end of the rotating barrel (504) is fixedly connected with a filter frame (505) through bolts.

4. The oilfield oil-water separator of claim 3, wherein: The lower end water outlet pipe of the rotating barrel (504) is rotatably connected with the collecting barrel (2) through a bearing, the outer wall of the rotating barrel (504) is rotatably connected with the first shell (4) through a bearing, and the outer wall of the first servo motor (501) is fixedly connected with the first shell (4) through bolts.

5. The oilfield oil-water separator of claim 1, wherein: The filtering mechanism (8) comprises a second servo motor (801), a discharge pipe (805) and a discharge port (804), the output shaft of the second servo motor (801) is fixedly connected with an auger (802), the outer wall of the auger (802) is attached to a filter screen (803), and the outer walls of both ends of the filter screen (803) are fixedly connected with the second shell (7).

6. The oilfield oil-water separator of claim 5, wherein: The outer wall of the discharge port (804) is fixedly connected with the second shell (7), the outer walls of both ends of the discharge pipe (805) are fixedly communicated with the second shell (7) and the collecting barrel (2) respectively, and the outer wall of the second servo motor (801) is fixedly connected with the second shell (7) through bolts.

Images