Oil field chemical agent filling device

Abstract

The utility model discloses an oil field chemical agent filling device which comprises a bottom plate, the bottom of the bottom plate is connected with a plurality of idler wheels, a box body is fixedly connected to the bottom plate, a partition plate is arranged in the box body, and the interior of the box body is divided into an upper chemical agent cavity and a lower chemical agent cavity through the partition plate. A stirring structure is arranged on the box body and is used for stirring the chemical agent in the chemical agent cavity; a water storage tank is further arranged at the top of the box body, the input end of a three-way pipe arranged on one side of the box body is connected with the water storage tank, the input ends of the other two ends of the three-way pipe are communicated with the two chemical agent cavities, the three-way pipe is further connected with a booster pump through a connecting pipe, and the output end of the booster pump is connected with a spray head. One side of the box body is also provided with an adjusting structure for moving the position of the spray head. According to the multi-position chemical filling device, the spray head can be cleaned when different chemicals are replaced, meanwhile, the position of the spray head can be moved, and multi-position chemical filling is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dosing equipment, and in particular relates to an oilfield chemical agent injector. Background Art

[0002] Oilfield development often encounters problems such as oil viscosity, wax deposition, and corrosion. Especially during the period of high water content, corrosion brings great difficulties to production. To control these problems, it is necessary to add some chemical agents to the oilfield. Commonly used chemical agents include corrosion inhibitors, water purifiers, etc. When adding these agents, a chemical agent injector is generally used.

[0003] Existing chemical agent injectors are generally provided with multiple chemical agent chambers to put in multiple chemical agents for easy use. However, when changing different reagents, the connecting pipe and the nozzle will have residues of the previous reagent, which is not convenient for cleaning. Direct use will affect the use effect of the next reagent. Moreover, when filling the reagents, the filling port of the injector is mostly fixed, which is not convenient for filling different positions. Utility Model Content

[0004] The utility model aims to provide an oilfield chemical agent injector, which can clean the nozzle when different agents are replaced, and can move the position of the nozzle to realize multi-position agent injection.

[0005] The technical solution adopted by the utility model is that the oilfield chemical agent injector comprises a bottom plate with a plurality of rollers connected to the bottom, a box body is fixedly connected to the bottom plate, a partition is arranged in the box body, and the inner part of the box body is divided into two upper and lower chemical agent chambers by the partition, and a stirring structure is arranged on the box body to stir the agent in the chemical agent chamber;

[0006] A water tank is also provided on the top of the box body. The input end of the three-way pipe arranged on one side of the box body is connected to the water tank, and the other two input ends of the three-way pipe are connected to the two chemical agent chambers. The three-way pipe is also connected to a booster pump through a connecting pipe, and the output end of the booster pump is connected to a nozzle. An adjustment structure for moving the position of the nozzle is also provided on one side of the box body.

[0007] The utility model is also characterized in that:

[0008] The stirring structure includes a motor arranged on the top of the box body, the output end of the motor passes through the box body and is connected to a rotating shaft a, and the rotating shaft a is located in the chemical agent chamber at the upper part;

[0009] The rotating shaft a passes through the partition and is connected to the rotating shaft b, which is located in the lower chemical reagent chamber. The rotating shaft a and the rotating shaft b are both axially connected to multiple groups of stirring rods, and each group of stirring rods is evenly distributed circumferentially along the rotating shaft a and the rotating shaft b.

[0010] The rotating shaft a and the rotating shaft b are coaxially arranged, the rotating shaft a is rotatably connected to the partition, and the rotating shaft b is rotatably connected to the bottom of the box body.

[0011] A feed inlet is provided at a position of the chemical agent chamber corresponding to the upper part of the box body; and an input pipe is provided at a position of the chemical agent chamber corresponding to the upper part of the box body.

[0012] The tops of the feed inlet and the input pipe are both provided with sealing covers.

[0013] A fixing plate is fixedly connected to one side of the bottom plate opposite to the booster pump, and the booster pump is fixedly connected to the fixing plate;

[0014] The adjustment structure is located below the booster pump and fixedly connected to the fixed plate. The adjustment structure includes an electric push rod for controlling the lateral movement of the nozzle. One end of the electric push rod is connected to the fixed plate, and the other end is connected to a fixed block. An electric telescopic rod for controlling the longitudinal movement of the nozzle is connected to the side of the fixed block adjacent to the electric push rod.

[0015] The output end of the booster pump is connected to an output pipe, the end of the output pipe away from the booster pump is connected to the nozzle, the booster pump and the nozzle are connected through a connector b, and the end of the electric telescopic rod away from the fixed block is connected to the bottom of the connector b.

[0016] The output pipe is a flexible hose.

[0017] A water inlet is provided on the top of the water storage tank; valves are arranged on the three input ends of the three-way pipe, a connector a is connected to the side of the three-way pipe away from the tank body, and the three-way pipe is connected to the connecting pipe through the connector a.

[0018] A push rod is also fixedly connected to one side of the box body.

[0019] The beneficial effects of the utility model are:

[0020] (1) The utility model oilfield chemical agent injector is provided with a water tank fixed on the top of the tank body, the water tank is connected to the chemical agent chamber through a three-way pipe, and valves are fixed on the input ends of the three-way pipe. When different chemical agents are replaced, the corresponding valve of the water tank is opened first, and the water in the water tank is pumped out by a booster pump, and then the water is cleaned through the three-way pipe, the connecting pipe, the output pipe and the nozzle, so as to clean the residual chemical agent. The utility model is convenient to use and will not affect the use of the next chemical agent.

[0021] (2) The utility model oilfield chemical agent injector is provided with an adjustment structure, wherein the electric push rod in the adjustment structure can drive the nozzle to move left and right, and the electric telescopic rod can drive the nozzle to move up and down, thereby being able to adjust the position of the nozzle, making it convenient to inject chemicals at different positions, thereby improving the application range of the injector. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the oilfield chemical agent injector of the utility model;

[0023] Figure 2 This is a cross-sectional view of the oilfield chemical agent injector of the utility model;

[0024] Figure 3 It is a side view of the oilfield chemical agent injector of the utility model.

[0025] In the figure, 1. box body, 2. bottom plate, 3. roller, 4. water tank, 5. partition, 6. chemical agent chamber, 7. stirring structure, 701. motor, 702. rotating shaft a, 703. rotating shaft b, 704. stirring rod, 8. three-way pipe, 9. connector a, 10. connecting pipe, 11. booster pump, 12. output pipe, 13. connector b, 14. nozzle, 15. adjustment structure, 1501. electric push rod, 1502. fixed block, 1503. electric telescopic rod, 16. fixed plate, 17. valve, 18. feed port, 19. input pipe, 20. water inlet, 21. push rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1 As shown, the utility model oilfield chemical injector includes a bottom plate 2 with a plurality of rollers 3 connected to the bottom, a box body 1 is fixedly connected to the bottom plate 2, a partition 5 is arranged in the box body 1, and the interior of the box body 1 is divided into two upper and lower chemical chambers 6 by the partition 5, and a feed port 18 is opened at a position of the box body 1 corresponding to the upper chemical chamber 6; an input pipe 19 is arranged at a position of the box body 1 corresponding to the upper chemical chamber 6.

[0029] Furthermore, in order to prevent debris or dust from entering the chemical agent chamber 6 through the feed port 18 and the input pipe 19 , sealing covers are provided at the tops of the feed port 18 and the input pipe 19 .

[0030] The box body 1 is also provided with a stirring structure 7 to stir the chemicals in the chemical chamber 6 .

[0031] A water tank 4 is also provided on the top of the box body 1, and a water inlet 20 is opened on the top of the water tank 4; the input end of the three-way pipe 8 arranged on one side of the box body 1 is connected to the water tank 4, and the other two input ends of the three-way pipe 8 are connected to the two chemical agent chambers 6, and valves 17 are provided on the three input ends of the three-way pipe 8. A connector a9 is connected to the side of the three-way pipe 8 away from the box body 1, and the three-way pipe 8 is connected to the connecting pipe 10 through the connector a9.

[0032] The three-way pipe 8 is also connected to a booster pump 11 through a connecting pipe 10 , and an output end of the booster pump 11 is connected to a nozzle 14 . An adjusting structure 15 for moving the position of the nozzle 14 is also provided on one side of the box body 1 .

[0033] Furthermore, in order to ensure that the nozzle 14 can move vertically and horizontally through the adjustment structure 15, the output end of the booster pump 11 is connected to the output pipe 12, and the output pipe 12 is connected to the nozzle 14 at one end away from the booster pump 11. The output pipe 12 is a telescopic hose, which can be used to achieve the horizontal and vertical movement of the nozzle while also injecting the agent.

[0034] like Figure 3 As shown, a push rod 21 is also fixedly connected to one side of the box body 1, so that the device can be directly pushed when moving.

[0035] Example 2

[0036] like Figure 2 As shown, on the basis of Example 1, the stirring structure 7 of the oilfield chemical agent injector of the utility model includes a motor 701 arranged on the top of the box body 1, and the output end of the motor 701 passes through the box body 1 and is connected to a rotating shaft a702, and the rotating shaft a702 is located in the upper chemical agent chamber 6;

[0037] The rotating shaft a702 passes through the partition 5 and is connected to the rotating shaft b703, which is located in the lower chemical chamber 6. The rotating shafts a702 and b703 are both axially connected to multiple groups of stirring rods 704, and each group of stirring rods 704 is evenly distributed circumferentially along the rotating shafts a702 and b703.

[0038] That is, by starting the motor 701 , the rotating shaft a 702 and the rotating shaft b 703 are driven to rotate, so that the stirring rod 704 stirs the reagent in the chemical reagent chamber 6 .

[0039] In order to further improve the stirring efficiency of the stirring structure 7, the rotating shaft a702 and the rotating shaft b703 are coaxially arranged, the rotating shaft a702 and the partition 5 are rotationally connected, and the rotating shaft b703 is rotationally connected to the bottom of the box body 1.

[0040] Bearings may also be provided at the connection position between the rotating shaft a702 and the partition 5 and at the connection position between the rotating shaft b703 and the bottom of the box body 1 to achieve rotational connection through the bearings.

[0041] Example 3

[0042] On the basis of Example 2, a fixed plate 16 is fixedly connected to the bottom plate 2 of the oilfield chemical injector of the utility model on one side relative to the booster pump 11, and the booster pump 11 is fixedly connected to the fixed plate 16; the adjustment structure 15 is located below the booster pump 11 and is fixedly connected to the fixed plate 16, and the adjustment structure 15 includes an electric push rod 1501 for controlling the lateral movement of the nozzle 14, one end of the electric push rod 1501 is connected to the fixed plate 16, and the other end is connected to a fixed block 1502, and an electric telescopic rod 1503 for controlling the longitudinal movement of the nozzle 14 is connected to the side of the fixed block 1502 adjacent to the electric push rod 1501.

[0043] Furthermore, the booster pump 11 and the nozzle 14 are connected via a connector b13, and one end of the electric telescopic rod 1503 away from the fixed block 1502 is connected to the bottom of the connector b13.

[0044] That is, by controlling the electric push rod 1501 to push the fixed block 1502 to perform telescopic movement, since one end of the electric telescopic rod 1503 is connected to the fixed block 1502 and the other end is connected to the connector b13, the nozzle 14 is driven to perform lateral displacement movement;

[0045] When the electric telescopic rod 1503 performs telescopic movement, since the fixed block 1502 does not move, the connecting head b13 is pushed to move away from / close to the fixed block 1502, thereby realizing the longitudinal displacement movement of the nozzle 14.

[0046] When the oilfield chemical agent injector of the utility model is in use, the electrical components contained in it are all externally connected to the power supply and the control device. First, different chemical agents are added into the upper and lower chemical agent chambers 6 through the feed port 18 and the input pipe 19, and a proper amount of water is added into the water storage tank 4. Then, the injector of the utility model is moved to the position where injection is required, and the motor 701 drives the rotating shaft a702 and the rotating shaft b703 to rotate, so that the stirring rod 704 on the rotating shaft a702 and the rotating shaft b703 rotates to stir the different chemical agents so that the agents are evenly mixed. The electric push rod 1501 drives the nozzle 14 to move horizontally, and the electric telescopic rod 1503 drives the nozzle 14 It can move longitudinally, so as to adjust the position of the nozzle 14, which is convenient for adding medicines to different positions. The output pipe 12 at one end of the connector b13 has enough length for adjusting the nozzle 14. After adjustment, open the valve 17 corresponding to the medicine to be added, and extract the medicine through the booster pump 11, and add it from the nozzle 14. When other medicines need to be added, close the opened valve 17, and then open the valve 17 corresponding to the water tank 4, and extract the water in the water tank 4 through the booster pump 11, and clean it through the three-way pipe 8, the connecting pipe 10 and the nozzle 14 to clean the residual medicine. The overall device is easy to use and will not affect the use of the next medicine.

[0047] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Oilfield chemical agent injector, characterized in that: It comprises a bottom plate (2) with a plurality of rollers (3) connected to the bottom, a box body (1) being fixedly connected to the bottom plate (2), a partition plate (5) being arranged inside the box body (1), the partition plate (5) dividing the inside of the box body (1) into two upper and lower chemical agent chambers (6), and a stirring structure (7) being arranged on the box body (1) for stirring the chemical agent in the chemical agent chamber (6); A water storage tank (4) is also arranged on the top of the box body (1); an input end of a three-way pipe (8) arranged on one side of the box body (1) is connected to the water storage tank (4); the other two input ends of the three-way pipe (8) are connected to two chemical agent chambers (6); the three-way pipe (8) is also connected to a booster pump (11) via a connecting pipe (10); the output end of the booster pump (11) is connected to a nozzle (14); and an adjustment structure (15) for moving the position of the nozzle (14) is also arranged on one side of the box body (1); A feed port (18) is provided at a position of the box body (1) corresponding to the upper chemical agent chamber (6); and an input pipe (19) is provided at a position of the box body (1) corresponding to the lower chemical agent chamber (6).

2. The oilfield chemical agent injector according to claim 1, characterized in that: The stirring structure (7) comprises a motor (701) arranged on the top of the box (1), the output end of the motor (701) passes through the box (1) and is connected to a rotating shaft a (702), and the rotating shaft a (702) is located in the upper chemical agent chamber (6); The rotating shaft a (702) passes through the partition (5) and is connected to the rotating shaft b (703). The rotating shaft b (703) is located in the lower chemical reagent chamber (6). The rotating shaft a (702) and the rotating shaft b (703) are both axially connected to multiple groups of stirring rods (704). Each group of stirring rods (704) is evenly distributed along the circumference of the rotating shaft a (702) and the rotating shaft b (703).

3. The oilfield chemical agent injector according to claim 2, characterized in that: The rotating shaft a (702) and the rotating shaft b (703) are coaxially arranged; the rotating shaft a (702) is rotatably connected to the partition (5); and the rotating shaft b (703) is rotatably connected to the bottom of the box body (1).

4. The oilfield chemical injector according to claim 1, characterized in that: The tops of the feed port (18) and the input pipe (19) are both provided with sealing covers.

5. The oilfield chemical agent injector according to any one of claims 1 to 4, characterized in that: A fixing plate (16) is fixedly connected to one side of the bottom plate (2) opposite to the booster pump (11), and the booster pump (11) is fixedly connected to the fixing plate (16); The adjustment structure (15) is located below the booster pump (11) and is fixedly connected to the fixed plate (16). The adjustment structure (15) comprises an electric push rod (1501) for controlling the lateral movement of the nozzle (14). One end of the electric push rod (1501) is connected to the fixed plate (16), and the other end is connected to a fixed block (1502). The fixed block (1502) is connected to an electric telescopic rod (1503) for controlling the longitudinal movement of the nozzle (14) on a side adjacent to the electric push rod (1501).

6. The oilfield chemical injector according to claim 5, characterized in that: The output end of the booster pump (11) is connected to an output pipe (12); an end of the output pipe (12) away from the booster pump (11) is connected to a nozzle (14); the booster pump (11) and the nozzle (14) are connected via a connector b (13); an end of the electric telescopic rod (1503) away from the fixed block (1502) is connected to the bottom of the connector b (13).

7. The oilfield chemical injector according to claim 6, characterized in that: The output pipe (12) is a flexible hose.

8. The oilfield chemical agent injector according to any one of claims 1 to 4, characterized in that: The water storage tank (4) has a water inlet (20) at the top; valves (17) are provided at the three input ends of the three-way pipe (8); a connector a (9) is connected to the side of the three-way pipe (8) away from the box body (1); the three-way pipe (8) is connected to the connecting pipe (10) via the connector a (9).

9. The oilfield chemical agent injector according to any one of claims 1 to 4, characterized in that: A push rod (21) is also fixedly connected to one side of the box body (1).

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