CN220226833U - Reverse-flow-preventing type shunt connecting device for oilfield water injection - Google Patents

Abstract

The utility model discloses an oilfield water injection backflow prevention type split-flow connecting device, which relates to the technical field of oilfield exploitation and comprises a water pump, wherein two ends of the water pump are fixedly connected with a water inlet pipe and a water outlet pipe respectively, and the other end of the water outlet pipe is connected with a driving mechanism and is connected with a first guide pipe through the driving mechanism. According to the utility model, through the arranged springs, the baffle plate and the sealing plate, when no water flow enters the first hollow column through the first guide pipe, the baffle plate can be extruded by utilizing the elasticity of the springs, so that the sealing plate is attached to the bottom of the annular plate, the reverse flow is avoided, and through the arranged driving mechanism and transmission mechanism, the impeller can be driven to rotate in the process that the water flow enters the second hollow column through the water outlet pipe, so that the gear can be driven to drive the adjusting rod to reciprocate, the amount of compressed gas in the air supply pipe is conveniently adjusted, and the influence on the use caused by the attachment of the sealing plate and the annular plate due to the fact that the compressed gas enters the first hollow column too much is avoided.

Description

Reverse-flow-preventing type shunt connecting device for oilfield water injection

Technical Field

The utility model relates to the technical field of oilfield exploitation, in particular to an oilfield flooding backflow-preventing shunt connection device.

Background

Water with satisfactory quality is injected into an oil layer from a water injection well by using water injection equipment so as to maintain the pressure of the oil layer, and the process is called oilfield water injection, which is one of important means for supplementing energy to stratum and improving oilfield recovery in oilfield development process.

Through retrieving, the oil field water injection anti-backflow type split-flow connecting device with the publication number of CN214145465U comprises an oil field well, a fixed support and a water pump, wherein clear water is arranged at the top of the oil field well, an oil layer is arranged at the top of the clear water, a fixed ring is fixed at the top of the fixed support, and a compressed air storage tank is clamped on the inner wall of the fixed ring.

Aiming at the technical scheme, the following defects exist:

according to the technical scheme, the clean water pressure in the main water pipe is increased by releasing the compressed air to prevent backflow, and the clean water pressure in the main water pipe is gradually reduced in the gradual reduction process along with the quantity of the compressed air in the compressed air storage tank, so that the backflow possibility can exist.

Disclosure of Invention

The utility model is provided in view of the problems of the existing oilfield flooding backflow prevention type shunt connection device.

Therefore, the utility model aims to provide the anti-backflow split-flow connecting device for oilfield water injection, which solves the problem that the pressure of clear water in a main water pipe is gradually reduced in the process of gradually reducing the amount of compressed air so as to have the possibility of backflow.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an oil field water injection prevents flowing backward formula reposition of redundant personnel connecting device, includes the water pump, the both ends of water pump are fixedly connected with inlet tube and outlet pipe respectively, the other end of outlet pipe is connected with actuating mechanism and is connected with first pipe through actuating mechanism, the other end pipe wall of first pipe is fixed to be cup jointed first hollow post, the inside of first hollow post is provided with one-way circulation mechanism, the bottom fixedly connected with second pipe of first hollow post, the fixed cover of lateral wall of first hollow post has the gas supply pipe, the pipe wall of gas supply pipe is provided with the governing valve, the lateral wall rotation of governing valve is provided with the regulation pole, the pole wall upper end fixedly connected with gear of regulation pole, be provided with drive mechanism and be connected through the drive mechanism transmission between actuating mechanism and the gear, utilize the governing valve of setting, can adjust the size of the transportation volume in the compressed gas unit time.

Preferably, the unidirectional flow mechanism includes annular plate, connecting rod and closing plate, annular plate is fixed cup joints in the inside of first hollow post, the connecting rod activity wears to locate the inside of annular plate and lower extreme and closing plate fixed connection, the upper surface of closing plate is connected with the lower surface laminating of annular plate, the upper end fixedly connected with baffle of connecting rod, the spring has been cup jointed in the pole wall activity of connecting rod, the both ends of spring respectively with the lateral wall fixed connection of annular plate and baffle, utilize the spring of setting, can extrude the baffle when not having rivers to get into the inside of first hollow post through first pipe, make the closing plate keep laminating state with the lower surface of annular plate, avoid appearing flowing backward the phenomenon.

Preferably, the actuating mechanism includes second hollow post, impeller and bull stick, the both sides of second hollow post are fixed the cup joint with the pipe wall of outlet pipe and first pipe respectively, the bull stick rotates the inside that sets up in the second hollow post, the impeller sets up in the inside of second hollow post and fixedly cup joints with the pole wall of bull stick, the lower extreme of bull stick runs through to the outside of second hollow post and fixedly connected with disc, the disc is connected with the drive mechanism transmission, utilizes impeller and the bull stick that sets up, can drive the impeller and rotate when rivers get into the inside of second hollow post through the outlet pipe to can realize the drive to actuating mechanism, guaranteed actuating mechanism's normal work.

Preferably, the drive mechanism includes actuating lever, push rod and rack, actuating lever fixed connection is in the lower surface of disc, the inside of push rod has been seted up the bar mouth and has been cup jointed with the wall activity of actuating lever through the bar mouth, the one end and the lateral wall fixed connection of actuating lever of rack, the rack is connected with the gear engagement, utilizes the drive mechanism who sets up, is connected through the meshing between rack and the gear, can utilize the activity between actuating lever and the bar mouth to cup joint the drive push rod and drive rack reciprocating motion at disc pivoted in-process, and then can utilize gear drive to adjust anti-reciprocating rotation to reach the effect to the size regulation of compressed gas conveying volume.

Preferably, both ends pole wall of bull stick all rotates the cup joint through sealed bearing and the inner wall of second hollow post, utilizes sealed bearing that sets up, can effectively guarantee the sealed effect between the inner wall of both ends and the second hollow post of bull stick, avoids appearing the condition of leaking.

Preferably, the upside fixedly connected with dead lever of rack and through dead lever fixedly connected with slider, the inside activity of slider has cup jointed the U-shaped pole, the both ends of U-shaped pole all with the lateral wall fixed connection of second hollow post, utilize the activity between slider and the U-shaped pole that sets up to cup joint, can realize spacing to the rack, make rack and gear remain high meshing state throughout.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, through the arranged springs, the baffle plate and the sealing plate, when no water flow enters the first hollow column through the first guide pipe, the baffle plate is extruded by the elasticity of the springs, so that the sealing plate is attached to the bottom of the annular plate, and the situation of backflow is avoided.

2. According to the utility model, through the driving mechanism and the transmission mechanism, the impeller can be driven to rotate in the process that water flow enters the second hollow column through the water outlet pipe, so that the gear can be driven to drive the adjusting rod to rotate in a reciprocating manner, the amount of compressed gas in the air supply pipe can be conveniently adjusted, and the influence on use caused by the fact that the sealing plate is attached to the annular plate due to the fact that the amount of the compressed gas entering the first hollow column is too much is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1 in accordance with the present utility model;

fig. 4 is a top view of the putter of the present utility model.

Reference numerals illustrate:

1. a water pump; 2. a water inlet pipe; 3. a water outlet pipe; 4. a first conduit; 5. a first hollow column; 6. a second conduit; 7. an air supply pipe; 8. a regulating valve; 9. an adjusting rod; 10. a gear; 11. an annular plate; 12. a connecting rod; 13. a sealing plate; 14. a baffle; 15. a spring; 16. a second hollow column; 17. an impeller; 18. a rotating rod; 19. a disc; 20. a driving rod; 21. a push rod; 22. a rack; 23. a fixed rod; 24. a slide block; 25. u-shaped pole.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses an oilfield flooding backflow-preventing shunt connection device.

The utility model provides an oilfield water injection backflow-preventing split-flow connecting device as shown in fig. 1-4, which comprises a water pump 1, wherein two ends of the water pump 1 are fixedly connected with a water inlet pipe 2 and a water outlet pipe 3 respectively, the other end of the water outlet pipe 3 is connected with a driving mechanism and is connected with a first guide pipe 4 through the driving mechanism, the pipe wall of the other end of the first guide pipe 4 is fixedly sleeved with a first hollow column 5, the inside of the first hollow column 5 is provided with a one-way circulation mechanism, the bottom of the first hollow column 5 is fixedly connected with a second guide pipe 6, the side wall of the first hollow column 5 is fixedly sleeved with an air supply pipe 7, the pipe wall of the air supply pipe 7 is provided with a regulating valve 8, the side wall of the regulating valve 8 is rotatably provided with a regulating rod 9, the upper end of the rod wall of the regulating rod 9 is fixedly connected with a gear 10, a transmission mechanism is arranged between the driving mechanism and the gear 10 and is in transmission connection through the transmission mechanism, and the size of the conveying amount of compressed gas in unit time can be regulated by using the regulating valve 8.

In order to avoid the phenomenon of flowing backward, as shown in fig. 1 and 3, unidirectional circulation mechanism includes annular plate 11, connecting rod 12 and closing plate 13, annular plate 11 is fixed to be cup jointed in the inside of first hollow post 5, connecting rod 12 activity wears to locate the inside of annular plate 11 and lower extreme and closing plate 13 fixed connection, the upper surface of closing plate 13 is connected with the lower surface laminating of annular plate 11, the upper end fixedly connected with baffle 14 of connecting rod 12, spring 15 has been cup jointed in the pole wall activity of connecting rod 12, the both ends of spring 15 respectively with annular plate 11 and the lateral wall fixed connection of baffle 14, utilize spring 15 that sets up, can extrude baffle 14 when no rivers get into the inside of first hollow post 5 through first pipe 4, make closing plate 13 keep the laminating state with the lower surface of annular plate 11, avoid appearing flowing backward.

In order to realize the normal operation of the driving mechanism, as shown in fig. 2-3, the driving mechanism comprises a second hollow column 16, an impeller 17 and a rotating rod 18, wherein two sides of the second hollow column 16 are fixedly sleeved with the water outlet pipe 3 and the pipe wall of the first guide pipe 4 respectively, the rotating rod 18 is rotatably arranged in the second hollow column 16, the impeller 17 is arranged in the second hollow column 16 and is fixedly sleeved with the rod wall of the rotating rod 18, the lower end of the rotating rod 18 penetrates through the outer part of the second hollow column 16 and is fixedly connected with a disc 19, the disc 19 is in transmission connection with the transmission mechanism, and the impeller 17 and the rotating rod 18 can be used for driving the impeller 17 to rotate when water flows enter the inner part of the second hollow column 16 through the water outlet pipe 3, so that the driving mechanism can be driven, and the normal operation of the driving mechanism is ensured.

In order to adjust the delivery amount of compressed gas, as shown in fig. 2 and 4, the transmission mechanism comprises a driving rod 20, a push rod 21 and a rack 22, wherein the driving rod 20 is fixedly connected to the lower surface of the disc 19, a bar-shaped opening is formed in the push rod 21 and is movably sleeved with the wall of the driving rod 20 through the bar-shaped opening, one end of the rack 22 is fixedly connected with the side wall of the driving rod 20, the rack 22 is meshed with the gear 10, the arranged transmission mechanism is used for meshed connection between the rack 22 and the gear 10, the driving push rod 21 is driven to reciprocate by the movable sleeve between the driving rod 20 and the bar-shaped opening in the rotating process of the disc 19, and then the reverse reciprocating rotation can be driven and adjusted by the gear 10, so that the effect of adjusting the delivery amount of compressed gas is achieved.

In order to avoid the situation that water leakage occurs at the joint of the rotating rod 18 and the second hollow column 16, as shown in fig. 1, the rod walls at the two ends of the rotating rod 18 are rotationally sleeved with the inner wall of the second hollow column 16 through sealing bearings, and the sealing effect between the two ends of the rotating rod 18 and the inner wall of the second hollow column 16 can be effectively ensured by using the arranged sealing bearings, so that the situation that water leakage occurs is avoided.

In order to keep the rack 22 and the gear 10 in a high-meshed state all the time, as shown in fig. 2, a fixing rod 23 is fixedly connected to the upper side of the rack 22 and a sliding block 24 is fixedly connected to the fixing rod 23, a U-shaped rod 25 is movably sleeved in the sliding block 24, two ends of the U-shaped rod 25 are fixedly connected with the side wall of the second hollow column 16, and the limiting of the rack 22 can be realized by movably sleeving the sliding block 24 and the U-shaped rod 25, so that the rack 22 and the gear 10 can always keep in a high-meshed state.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides an oil field water injection anti-backflow type split flow connecting device, includes water pump (1), its characterized in that, the both ends of water pump (1) are fixedly connected with inlet tube (2) and outlet pipe (3) respectively, the other end of outlet pipe (3) is connected with actuating mechanism and is connected with first pipe (4) through actuating mechanism, the other end pipe wall of first pipe (4) is fixed to have cup jointed first hollow post (5), the inside of first hollow post (5) is provided with one-way circulation mechanism, the bottom fixedly connected with second pipe (6) of first hollow post (5), the lateral wall of first hollow post (5) is fixed to have cup jointed air supply pipe (7), the pipe wall of air supply pipe (7) is provided with governing valve (8), the lateral wall rotation of governing valve (8) is provided with regulation pole (9), pole wall upper end fixedly connected with gear (10) of regulation pole (9), be provided with drive mechanism and pass through drive mechanism transmission connection between actuating mechanism and the gear (10).

2. The oilfield water injection backflow prevention split-flow connecting device according to claim 1, wherein the unidirectional circulation mechanism comprises an annular plate (11), a connecting rod (12) and a sealing plate (13), the annular plate (11) is fixedly sleeved in the first hollow column (5), the connecting rod (12) is movably arranged in the annular plate (11) in a penetrating mode, the lower end of the connecting rod is fixedly connected with the sealing plate (13), the upper surface of the sealing plate (13) is connected with the lower surface of the annular plate (11) in a fitting mode, a baffle (14) is fixedly connected to the upper end of the connecting rod (12), a spring (15) is movably sleeved on the rod wall of the connecting rod (12), and two ends of the spring (15) are fixedly connected with the side walls of the annular plate (11) and the baffle (14) respectively.

3. The oilfield water injection backflow prevention split-flow connecting device according to claim 1, wherein the driving mechanism comprises a second hollow column (16), impellers (17) and a rotating rod (18), two sides of the second hollow column (16) are fixedly sleeved with the water outlet pipe (3) and the pipe wall of the first guide pipe (4) respectively, the rotating rod (18) is rotatably arranged inside the second hollow column (16), the impellers (17) are arranged inside the second hollow column (16) and are fixedly sleeved with the rod wall of the rotating rod (18), and the lower end of the rotating rod (18) penetrates through the outer portion of the second hollow column (16) and is fixedly connected with a disc (19) which is in transmission connection with the transmission mechanism.

4. The oilfield water injection backflow prevention split-flow connecting device according to claim 1, wherein the transmission mechanism comprises a driving rod (20), a push rod (21) and a rack (22), the driving rod (20) is fixedly connected to the lower surface of the disc (19), a strip-shaped opening is formed in the push rod (21) and is movably sleeved with a rod wall of the driving rod (20) through the strip-shaped opening, one end of the rack (22) is fixedly connected with the side wall of the driving rod (20), and the rack (22) is meshed with the gear (10).

5. A backflow-preventing shunt connection device for oilfield flooding according to claim 3, wherein the two end rod walls of the rotating rod (18) are rotatably sleeved with the inner wall of the second hollow column (16) through sealing bearings.

6. The oilfield water injection backflow prevention split-flow connecting device according to claim 4, wherein a fixing rod (23) is fixedly connected to the upper side of the rack (22) and a sliding block (24) is fixedly connected to the upper side of the rack through the fixing rod (23), a U-shaped rod (25) is movably sleeved in the sliding block (24), and two ends of the U-shaped rod (25) are fixedly connected with the side wall of the second hollow column (16).