CN211025301U - An oilfield water injection backflushing filter and decontamination device - Google Patents

Abstract

The utility model relates to an oilfield water injection backflushing type filter and decontamination device, which comprises a flushing box, the flushing box is provided with a glass window, the flushing box is provided with a door plate, the door plate and the flushing box are provided with fixing bolts, the flushing box is provided with a chute, and the chute is provided with a filter plate , the flushing box has a threaded rod, the threaded rod has an upper scraper, a middle scraper and a lower scraper, the upper scraper is in contact with the uppermost filter plate, the middle scraper is in contact with the filter plate, and there is a pusher on the left side of the middle scraper. The rod, the lower scraper is in contact with the bottom of the bottom filter plate, the right end of the threaded rod is movably connected with a belt through the fixed pulley, the right side wall of the flushing box is fixedly connected with a water inlet pipe and a support plate, and the support plate is fixedly connected with a motor The output end of the motor is movably connected with a belt, the through hole on the left side of the flushing box is fixedly connected with a collecting cover and a water outlet pipe, the inner wall of the collecting cover is evenly and fixedly connected with a spring, and the right end of the spring is fixedly connected with a baffle plate. Three groups of filter plates are designed, and multiple groups of filter plates have good water filtration effect.

Description

An oilfield water injection backflushing filter and decontamination device

technical field

The utility model relates to the technical field of oilfield water injection equipment, in particular to an oilfield water injection backflushing filter and decontamination device.

Background technique

Oilfield water injection is one of the important means to supplement energy to the formation and improve oilfield recovery in the process of oilfield development. The level of water injection well management technology determines the quality of oilfield development, and also determines the length of oilfield development life. Impurities in water need to be removed in current oilfield water injection operations.

The filter will be blocked by impurities after working for a long time, reducing the filtration efficiency. After most of the filter plates are blocked, manual cleaning is required. Usually manual cleaning takes a long time, and many filters are large in size;

Based on this, the utility model designs an oilfield water injection backflushing filter and decontamination device to solve the above problems.

Utility model content

A main purpose of the present utility model is to overcome at least one defect in the prior art, and to provide an oil field water injection backflushing filter and decontamination device, which solves the problem that the filter proposed in the above-mentioned background technology will be blocked by impurities after working for a long time. To reduce the filtration efficiency, most of the filter plates need to be cleaned manually after being blocked. Usually, manual cleaning takes a long time, and many filters are bulky.

In order to realize the above-mentioned technical scheme, the utility model adopts the following technical scheme:

An oilfield water injection backflushing filter and decontamination device, comprising a flushing box, a switch, a pressure gauge, a water outlet pipe, a filter plate, a belt, a motor and a water inlet pipe, and a glass window is fixedly connected in the through hole of the front side wall of the flushing box The through hole of the rear side wall of the flushing box is rotatably connected with a door plate through a hinge, the door plate and the flushing box are both threadedly connected with fixing bolts through threaded holes, and the left and right inner walls of the flushing box are symmetrically provided with sliding grooves, and the sliding grooves slide A filter plate is connected, the right side wall of the flushing box is rotatably connected with a threaded rod through a fixedly connected bearing, and an upper scraper, a middle scraper and a lower scraper are respectively threadedly connected to the threaded rod. It is in contact with the top of the filter plate of the uppermost layer, the upper and lower ends of the middle scraper are in contact with the filter plate, the left side of the middle scraper is fixedly connected with a push rod, and the lower scraper is connected to the bottom layer. The bottom of the filter plate is in contact with the bottom, the right end of the threaded rod is movably connected with a belt through a fixedly connected pulley, the right side wall of the flushing box is fixedly connected with a water inlet pipe and a support plate, and the support plate is fixedly connected with a motor , the output end of the motor is movably connected with a belt, the through hole on the left side of the flushing box is fixedly connected with a collecting cover and a water outlet pipe, the inner wall of the collecting cover is evenly and fixedly connected with a spring, and the right end of the spring is fixedly connected There are bezels.

Preferably, a sealing gasket is fixedly connected to the inner wall of the door panel.

Preferably, the filter plates are provided with three groups, and the filter holes of the filter plates increase sequentially from top to bottom.

Preferably, the length of the push rod is half the length of the collecting cover, the bottom of the collecting cover is fixedly connected with a first sewage pipe, and the bottom of the flushing box is fixedly connected with a second sewage pipe.

Preferably, when the spring is in the original state, the right side wall of the baffle is in close contact with the left side wall of the filter plate.

Preferably, both the water inlet pipe and the water outlet pipe are fixed with a pressure gauge and a switch.

Preferably, both the pressure gauge and the motor are electrically connected to an external power source.

Compared with the prior art, the beneficial effects of the present utility model are: the utility model designs three groups of filter plates, and multiple groups of filter plates have good water filtration effect, and at the same time, the door plate and the flushing box are fixedly connected by fixing bolts, and the filter plates are The sliding connection of the chute makes the filter plate easy to assemble and disassemble, and the device facilitates the cleaning and replacement of the filter plate. The utility model adopts the design of the glass window. It is convenient to observe the specific situation inside the flushing box, and it is convenient for practical use. In the utility model, the motor drives the threaded rod to rotate through the belt, and the threaded rod drives the upper scraper, the middle scraper and the lower scraper to move, and the cooperation of the upper scraper and the middle scraper can scrape the impurities on the top surface of all the filter plates in the washing box. The combination of the middle scraper and the lower scraper can scrape all impurities on the bottom surface of the filter plate in the washing box, which makes the device convenient for cleaning the filter plate and ensures the filtering performance of the filter plate. The middle scraper drives the push rod to move. , the push rod pushes the baffle plate to move to the left, so that the scraped impurities can be discharged from the first sewage pipe at the bottom of the collecting cover.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. It is obvious to those skilled in the art that In other words, on the premise of no creative work, other drawings can also be obtained based on these drawings.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the rear view of the structure of the utility model;

Figure 3 is a structural cross-sectional view of the utility model;

In the accompanying drawings, the list of components represented by each number is as follows:

1. Flushing tank 2. Switch 3. Pressure gauge 4. Outlet pipe 5. Filter plate 6. Threaded rod 7. Upper scraper 8. First sewage pipe 9. Glass window 10. Second sewage pipe 11. Belt 12. Support Plate 13. Motor 14. Water inlet pipe 15. Collecting cover 16. Fixing bolt 17. Door plate 18. Chute 19. Lower scraper 20. Middle scraper 21. Spring 22. Baffle plate 23. Push rod.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

1-3, the present utility model provides an oilfield water injection backflushing filter and decontamination device, including a flushing box 1, a switch 2, a pressure gauge 3, a water outlet pipe 4, a filter plate 5, a belt 11, a motor 13 and an inlet The water pipe 14 is fixedly connected with a glass window 9 in the through hole of the front side wall of the flushing box 1. By designing the glass window 9, it is convenient to observe the specific conditions inside the flushing box 1 and is convenient for practical use.

A door panel 17 is rotatably connected to the through hole of the rear side wall of the flushing box 1 through a hinge, the inner wall of the door panel 17 is fixedly connected with a gasket (not shown in the figure), and the door panel 17 and the flushing box 1 are threadedly connected with fixing bolts 16 through threaded holes. It is convenient for the door panel 17 to be fixedly connected with the flushing box 1. The left and right inner walls of the flushing box 1 are symmetrically provided with chute 18, and the chute 18 is slidably connected with the filter plate 5. The filter plate 5 is provided with three groups, and the filter holes of the filter plate 5 are sequentially Increase, by designing three groups of filter plates 5, multiple groups of filter plates 5 have a good effect on water filtration. At the same time, the door plate 17 and the flushing box 1 are fixedly connected by the fixing bolts 16, and the filter plate 5 is slidably connected with the chute 18, so that the filter plate 5. It is convenient to assemble and disassemble, so that the device is convenient to clean and replace the filter plate 5.

The right side wall of the flushing box 1 is rotatably connected with a threaded rod 6 through a fixedly connected bearing. The threaded rod 6 is threadedly connected with an upper scraper 7, a middle scraper 20 and a lower scraper 19. The upper scraper 7 is connected to the uppermost filter. The top of the plate 5 is in contact with the top, the upper and lower ends of the middle scraper 20 are in contact with the filter plate 5, the left side of the middle scraper 20 is fixedly connected with a push rod 23, and the length of the push rod 23 is half the length of the collecting cover 15. , the lower scraper 19 is in contact with the bottom of the lowermost filter plate 5, the right end of the threaded rod 6 is movably connected with the belt 11 through the fixedly connected pulley, and the right side wall of the flushing box 1 is fixedly connected with the water inlet pipe 14 and the support plate 12. A motor 13 is fixedly connected to the plate 12, the output end of the motor 13 is movably connected to a belt 11 through a fixedly connected pulley, the motor 13 drives the threaded rod 6 to rotate through the belt 11, and the threaded rod 6 drives the upper scraper 6, the middle scraper 20 and the The lower scraper 19 moves, the upper scraper 6 and the middle scraper 20 cooperate to scrape the impurities on the top surface of all the filter plates 5 in the flushing box 1, and the middle scraper 20 and the lower scraper 19 cooperate to scrape the impurities in the flushing box 1. All the impurities on the bottom surface of the filter plate 5 are scraped, so that the device facilitates the cleaning of the filter plate 5 and ensures the filtering performance of the filter plate 5 .

A collection cover 15 and a water outlet pipe 4 are fixedly connected to the through hole on the left side of the flushing box 1. The water inlet pipe 14 and the water outlet pipe 4 are fixed with a pressure gauge 3 and a switch 2. The inner wall of the collection cover 15 is evenly connected with a spring 21. A baffle plate 22 is fixedly connected to the right end of the spring 21. When the spring 21 is in its original state, the right side wall of the baffle plate 22 is in contact with the left side wall of the filter plate 5. The middle scraper 20 drives the push rod 23 to move, and the push rod 23 pushes the baffle plate. 22 moves to the left, so that scraped impurities can be discharged from the first sewage pipe 8 at the bottom of the collecting cover 15.

A first sewage pipe 8 is fixedly connected to the bottom of the collecting cover 15 , and a second sewage pipe 10 is fixedly connected to the bottom of the flushing box 1 .

Both the pressure gauge 3 and the motor 13 are electrically connected to the external power supply. The pressure gauge 3 uses MIK-Y190 high-precision intelligent digital pressure gauge, and the motor 13 uses the MIK-Y190 servo motor.

A specific application of this embodiment is: connect the water inlet pipe 14 with the external water source, connect the water outlet pipe 4 with the water injection pipe, start the external water source, turn on the switches of the water inlet pipe 14 and the water outlet pipe 4, and the water that needs to be filtered enters In the flushing box 1, three groups of filter plates 5 are filtered in sequence, and the multiple groups of filter plates 5 have a good effect on water filtration. The filtered water enters the water injection pipe through the water outlet pipe 4 for water injection; 1. The fixed connection makes the door panel 17 easy to open, the filter panel 5 is slidably connected to the chute 18, and the filter panel 5 is easily installed and removed in the chute 18, which makes the filter panel 5 easy to install and remove, and makes the device easy to clean and replace the filter panel 5; During filtration, the glass window 9 is convenient for observing the specific conditions inside the flushing box 1, which is convenient for actual use; when the filter plate 5 needs to be cleaned, the motor 13 drives the threaded rod 6 to rotate through the belt 11, and the threaded rod 6 drives the upper scraper 6 and the middle scraper 20. Moves with the lower scraper 19, the upper scraper 6 and the middle scraper 20 cooperate to scrape the impurities on the top surface of all the filter plates 5 in the washing box 1, and the middle scraper 20 and the lower scraper 19 cooperate to scrape the washing box 1. All the impurities on the bottom surface of the filter plate 5 are scraped, so that the device facilitates the cleaning of the filter plate 5 and ensures the filtering performance of the filter plate 5. When the middle scraper 20 moves to the left end, the middle scraper 20 drives the push rod 23 to move. The push rod 23 pushes the baffle plate 22 to move to the left, the upper scraper 6, the middle scraper 20 and the lower scraper 19 continue to move to push the impurities to the left to move away from the filter plate 5. Due to gravity, the impurities fall into the collecting cover 15, The scraped impurities are discharged from the first sewage pipe 8 at the bottom of the collecting cover 15, the scraped impurities at the bottom of the bottom filter plate 5 are discharged from the second sewage pipe 10, the motor 13 is reversed, and the upper scraper is driven by the belt 11. 6. The middle scraper 20 and the lower scraper 19 move to the rightmost end of the threaded rod 6 , and the restoring force of the spring 21 pushes the baffle 22 to contact the filter plate 5 .

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. An oilfield water injection recoil type filter and decontamination device, comprising a flushing box, a switch, a pressure gauge, a water outlet pipe, a filter plate, a belt, a motor and a water inlet pipe, it is characterized in that: the front side wall through hole of the flushing box A glass window is fixedly connected inside, a door panel is rotatably connected to the rear side wall of the flushing box through a hinge, the door panel and the flushing box are threadedly connected with fixing bolts through threaded holes, and the left and right inner walls of the flushing box are symmetrically provided with sliding grooves , the chute is slidably connected with a filter plate, the right side wall of the flushing box is rotatably connected with a threaded rod through a fixedly connected bearing, and the threaded rod is threadedly connected with an upper scraper, a middle scraper and a lower scraper. , the upper scraper is in contact with the top of the uppermost filter plate, the upper and lower ends of the middle scraper are in contact with the filter plate, the left side of the middle scraper is fixedly connected with a push rod, the The lower scraper is in contact with the bottom of the bottom filter plate, the right end of the threaded rod is movably connected with a belt through a fixedly connected pulley, and the right side wall of the flushing box is fixedly connected with a water inlet pipe and a support plate. A motor is fixedly connected to the board, a belt is movably connected to the output end of the motor, a collecting cover and a water outlet pipe are fixedly connected to the through hole on the left side of the flushing box, and the inner wall of the collecting cover is evenly and fixedly connected with a spring, A baffle plate is fixedly connected to the right end of the spring. 2 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein a sealing gasket is fixedly connected to the inner wall of the door panel. 3 . 3 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein the filter plate is provided with three groups, and the filter holes of the filter plate increase sequentially from top to bottom. 4 . 4 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein the length of the push rod is half the length of the collecting cover, and the bottom of the collecting cover is fixedly connected with a first A sewage pipe, and a second sewage pipe is fixedly connected to the bottom of the flushing box. 5 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein the right side wall of the baffle plate is in contact with the left side wall of the filter plate when the spring is in the original state. 6 . 6 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein the water inlet pipe and the water outlet pipe are fixed with a pressure gauge and a switch. 7 . 7 . The oilfield water injection backflushing filter and decontamination device according to claim 1 , wherein the pressure gauge and the motor are both electrically connected to an external power source. 8 .

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