CN212141739U - Multilayer filter for oil field water injection pipeline - Google Patents

Abstract

The utility model discloses an oil field water injection is multilayer filter for pipeline, including first rose box, the inner wall welding of first rose box has the slide bar, one side sliding connection that first rose box was kept away from to the slide bar has the rack, the one end welding of rack has the lug, one side welding that the rack was kept away from to the slide bar has the baffle, the utility model discloses a setting of first rose box and second rose box makes the filter possess the multiple-layer filtering's function. The convex block can be pulled out from the connecting plate through the buckling connection of the convex block and the connecting plate. Through the meshing connection of gear rack and gear, make the rotation of bolt can drive the removal of gear rack, make the filter screen can realize fixing and loosening through twisting the bolt. The spring is arranged on one side of the sliding block, so that the sliding block can realize the fixation and the loosening of the bolt under the pulling of the pull rod. Through the arrangement of the pull ring, the slide block is easier to pull.

Description

Multilayer filter for oil field water injection pipeline

Technical Field

The utility model relates to an oil field water injection technical field specifically is a multilayer filter for oil field water injection pipeline.

Background

Existing oilfield flooding is a process called oilfield flooding in which water of a quality acceptable for the injection of the water from a water injection well into an oil reservoir is injected by means of a water injection device to maintain the reservoir pressure. Oilfield flooding is one of the important means for supplementing energy to the stratum and improving the oilfield recovery ratio in the oilfield development process. The level of the water injection well management technology determines the development effect of the oil field and also determines the development service life of the oil field. After the oil field is put into development, the energy of the oil layer is continuously consumed along with the increase of the exploitation time, so that the pressure of the oil layer is continuously reduced, underground crude oil is greatly degassed, the viscosity is increased, the yield of the oil well is greatly reduced, even the injection and production stop can be realized, and a large amount of underground residual dead oil cannot be extracted. In order to make up for the underground deficit caused by the production of crude oil, maintain or improve the pressure of an oil layer, realize high and stable yield of an oil field and obtain higher recovery ratio, water must be injected into the oil field. Oilfield flooding has high water quality requirements, so that the water in the pipeline needs to be filtered before the next operation can be carried out. However, due to the inconvenience of disassembly of the filter screen in the filter, after long-term filtration, a large amount of impurity, dust and dirt are accumulated on the surface to influence the filtering effect of the whole filter, so that the water quality of the injected water can be adversely affected, and therefore the multilayer filter for the oilfield injected water pipeline is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field water injection is multilayer filter for pipeline to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multilayer filter for an oil field water injection pipeline comprises a first filter tank, wherein a sliding rod is welded on the inner wall of the first filter tank, one side of the sliding rod, which is far away from the first filter box, is connected with a gear rack in a sliding way, one end of the gear rack is welded with a convex block, a baffle is welded on one side of the sliding rod away from the gear strip, a gear is meshed and connected with one side of the gear strip away from the sliding rod, a bolt is welded on the inner side of the gear, a connecting plate is buckled and connected on one side of the convex block far away from the gear rack, a fixed plate is welded on one side of the first filter box far away from the slide bar, the inner side of the fixed plate is connected with a slide block in a sliding way, a pull rod is welded at one end of the sliding block, a pull ring is welded at one end of the pull rod, which is far away from the sliding block, a spring is fixedly connected at the inner side of the fixed plate, one side of the spring, which is far away from the fixed plate, is fixedly connected with the sliding block, and one side of the sliding block, which is far away from the pull rod, is connected with the bolt buckle.

As further preferable in the present technical solution: one end of the bolt penetrates through the inner wall of the first filter box and is fixedly connected with a sealing ring, and the sealing ring is rotatably connected with the first filter box through a bearing.

As further preferable in the present technical solution: one side threaded connection that the connecting plate kept away from first rose box has the filter screen, the top welding of first rose box has the inlet tube.

As further preferable in the present technical solution: the bottom welding of first rose box has the connecting pipe, one side of connecting pipe is equipped with first valve, the outside of first rose box articulates there is the chamber door.

As further preferable in the present technical solution: the bottom intercommunication of connecting pipe has the second rose box, the inboard fixedly connected with active carbon filter layer of second rose box, the inboard bottom fixedly connected with rock filter layer that is located the active carbon filter layer that is located of second rose box, the inboard bottom fixedly connected with sand filter layer that is located the rock filter layer that is located of second rose box.

As further preferable in the present technical solution: the bottom welding of second rose box has the outlet pipe, one side of outlet pipe is equipped with the second valve.

As further preferable in the present technical solution: one side welding of first rose box has first blow off pipe, one side welding of second rose box has the second blow off pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting of first rose box and second rose box makes the filter possess the multiple-layer filtering's function. The convex block can be pulled out from the connecting plate through the buckling connection of the convex block and the connecting plate. Through the meshing connection of gear rack and gear, make the rotation of bolt can drive the removal of gear rack, make the filter screen can realize fixing and loosening through twisting the bolt. The spring is arranged on one side of the sliding block, so that the sliding block can realize the fixation and the loosening of the bolt under the pulling of the pull rod. Through the arrangement of the pull ring, the slide block is easier to pull.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connecting plate structure of the present invention;

FIG. 3 is a schematic side view of the bolt of the present invention;

FIG. 4 is a schematic view of the slider structure of the present invention;

fig. 5 is a schematic view of the structure of the door of the present invention.

In the figure: 1. a first filter tank; 2. a slide bar; 3. a gear rack; 4. a bump; 5. a connecting plate; 6. a baffle plate; 7. a gear; 8. a bolt; 9. a filter screen; 10. a fixing plate; 11. a spring; 12. a pull rod; 13. a pull ring; 14. a seal ring; 15. a water inlet pipe; 16. a connecting pipe; 17. a first valve; 18. a second filter tank; 19. an activated carbon filter layer; 20. a rock filter layer; 21. a sand filter layer; 22. a water outlet pipe; 23. a second valve; 24. a slider; 25. a box door; 26. a first drain pipe; 27. a second sewage draining pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oil field water injection multilayer filter for pipeline, includes first rose box 1, and the inner wall welding of first rose box 1 has slide bar 2, and one side sliding connection that first rose box 1 was kept away from to slide bar 2 has gear rack 3, and the one end welding of gear rack 3 has lug 4, and lug 4 can realize the buckle connection in inserting the recess of connecting plate 5. A baffle 6 is welded on one side of the sliding rod 2, which is far away from the gear rack 3, and the baffle 6 is used for preventing the gear rack 3 from excessively deviating when moving. One side meshing that slide bar 2 was kept away from to rack 3 is connected with gear 7, the inboard welding of gear 7 has bolt 8, one side buckle that rack 3 was kept away from to lug 4 is connected with connecting plate 5, one side welding that slide bar 2 was kept away from to first rose box 1 has fixed plate 10, the inboard sliding connection of fixed plate 10 has slider 24, the one end welding of slider 24 has pull rod 12, the one end welding that slider 24 was kept away from to pull rod 12 has pull ring 13, the inboard fixedly connected with spring 11 of fixed plate 10, one side and slider 24 fixed connection that fixed plate 10 was kept away from to spring 11, one side and the bolt 8 buckle that pull rod 12 was kept away from to slider 24 are connected. By pulling the pull ring 13, the bolt 8 can be turned. The bolt 8 drives the gear 7 to rotate, so that the convex block 4 is drawn out of the connecting plate 5, and the filter screen 9 is convenient to disassemble.

In this embodiment, specifically: one end of the bolt 8 penetrates through the inner wall of the first filter tank 1 and is fixedly connected with a sealing ring 14, and the sealing ring 14 is rotatably connected with the first filter tank 1 through a bearing. The function of the sealing ring 14 is to prevent water from flowing out of the gap between the first filter box 1 and the bolt 8 during filtration.

In this embodiment, specifically: one side threaded connection that the connecting plate 5 kept away from first rose box 1 has filter screen 9, and the top welding of first rose box 1 has inlet tube 15. The inlet pipe 15 is arranged above the first filter tank 1, and water can flow into the first filter tank 1 from the inlet pipe 15 under the action of gravity.

In this embodiment, specifically: the bottom welding of first rose box 1 has connecting pipe 16, and one side of connecting pipe 16 is equipped with first valve 17, the outside of first rose box 1 articulates there is chamber door 25. When the filter screen 9 needs to be disassembled and washed, the box door 25 can be opened, so that the operation is more convenient.

In this embodiment, specifically: the bottom of the connecting pipe 16 is communicated with a second filter tank 18, the inner side of the second filter tank 18 is fixedly connected with an activated carbon filter layer 19, the inner side of the second filter tank 18 is positioned at the bottom of the activated carbon filter layer 19 and is fixedly connected with a rock filter layer 20, and the inner side of the second filter tank 18 is positioned at the bottom of the rock filter layer 20 and is fixedly connected with a sand filter layer 21. After the water flows through the three filter layers, the water quality is further improved.

In this embodiment, specifically: the bottom of the second filter tank 18 is fixedly connected with a water outlet pipe 22, and one side of the water outlet pipe 22 is provided with a second valve 23. The water from the second filter tank 18 can flow out of the outlet pipe 22 by opening the second valve 23.

In this embodiment, specifically: a first sewage discharge pipe 26 is welded on one side of the first filter tank 1, and a second sewage discharge pipe 27 is welded on one side of the second filter tank 18. The first and second soil pipes 26 and 27 are used to discharge impurities accumulated on the filtering apparatus.

Working principle or structure principle, during the use, water flows into first rose box 1 from inlet tube 15, filters through the first layer of filter screen 9, flows to the bottom of first rose box 1. The amount of water can be controlled by the first valve 17. The first valve 17 is opened and water from the first filter tank 1 enters the second filter tank 18. In the second filter tank 18, the water is filtered through multiple layers of an activated carbon filter layer 19, a rock filter layer 20, and a sand filter layer 21. The second valve 23 is opened and water flows out of the outlet pipe 22. When the filter screen 9 is to be detached and cleaned, the door 25 is opened, and the pull ring 13 is pulled, so that the pull rod 12 drives the slider 24 to move away from the bolt 8. After the slide block 24 is loosened, the bolt 8 is screwed, and the rotation of the bolt 8 drives the rotation of the gear 7. The rotation of the gear 7 drives the gear rack 3 to do sliding motion on the sliding rod 2. The sliding of the rack 3 moves the projection 4 out of the recess of the web 5, so that the web 5 is released and the filter 9 can be removed for cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an oil field is multilayer filter for water injection pipeline, includes first rose box (1), its characterized in that: the inner wall of the first filter box (1) is welded with a sliding rod (2), one side of the sliding rod (2) far away from the first filter box (1) is connected with a gear rack (3) in a sliding mode, one end of the gear rack (3) is welded with a convex block (4), one side of the sliding rod (2) far away from the gear rack (3) is welded with a baffle (6), one side of the gear rack (3) far away from the sliding rod (2) is meshed with a gear (7), the inner side of the gear (7) is welded with a bolt (8), one side of the convex block (4) far away from the gear rack (3) is connected with a connecting plate (5) in a buckling mode, one side of the first filter box (1) far away from the sliding rod (2) is welded with a fixed plate (10), the inner side of the fixed plate (10) is connected with a sliding block (24) in a sliding mode, one end of the sliding block (24) is welded with a pull, the inner side of the fixed plate (10) is fixedly connected with a spring (11), one side, far away from the fixed plate (10), of the spring (11) is fixedly connected with a sliding block (24), and one side, far away from the pull rod (12), of the sliding block (24) is connected with a bolt (8) in a buckling mode.

2. The multilayer filter for the oilfield water injection pipeline according to claim 1, wherein the multilayer filter comprises: one end of the bolt (8) penetrates through the inner wall of the first filter tank (1) and is fixedly connected with a sealing ring (14), and the sealing ring (14) is rotatably connected with the first filter tank (1) through a bearing.

3. The multilayer filter for the oilfield water injection pipeline according to claim 1, wherein the multilayer filter comprises: one side threaded connection that first rose box (1) was kept away from in connecting plate (5) has filter screen (9), the top welding of first rose box (1) has inlet tube (15).

4. The multilayer filter for the oilfield water injection pipeline according to claim 1, wherein the multilayer filter comprises: the bottom welding of first rose box (1) has connecting pipe (16), one side of connecting pipe (16) is equipped with first valve (17), the outside of first rose box (1) articulates there is chamber door (25).

5. The multilayer filter for the oilfield water injection pipeline according to claim 4, wherein the multilayer filter comprises: the bottom of connecting pipe (16) intercommunication has second rose box (18), the inboard fixedly connected with active carbon filter layer (19) of second rose box (18), the inboard bottom fixedly connected with rock filter layer (20) that is located active carbon filter layer (19) of second rose box (18), the inboard bottom fixedly connected with sand filter layer (21) that is located rock filter layer (20) of second rose box (18).

6. The multilayer filter for the oilfield water injection pipeline according to claim 5, wherein the multilayer filter comprises: a water outlet pipe (22) is welded at the bottom of the second filter tank (18), and a second valve (23) is arranged on one side of the water outlet pipe (22).

7. The multilayer filter for the oilfield water injection pipeline according to claim 6, wherein the multilayer filter comprises: one side welding of first rose box (1) has first blow off pipe (26), one side welding of second rose box (18) has second blow off pipe (27).

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