Large-flow carbon dioxide injection pump

Abstract

The utility model relates to the technical field of carbon dioxide injection pumps, in particular to a large-flow carbon dioxide injection pump which comprises a base and supports, the supports are symmetrically and fixedly connected to the upper end of the base, adjusting structures are symmetrically arranged at the upper end of the base, and a pump body is fixedly connected to the upper ends of the supports. The two ends of the pump body are fixedly communicated with the liquid inlet pipe and the liquid outlet pipe respectively. According to the high-flow carbon dioxide injection pump, through cooperation of an adjusting structure and a locking structure, an operator wrenches top plates on the two sides, so that the inner walls of the top plates on the two sides are attached to the outer walls of a first straight pipe and a second straight pipe correspondingly, and the top plates and a supporting plate are fixed through second bolts and nuts; the second straight pipe and the first straight pipe can be further clamped and fixed, so that when the internal pressure of the first straight pipe and the second straight pipe is large, the connecting positions of the first straight pipe and the second straight pipe and the liquid inlet pipe and the liquid outlet pipe are kept stable, and the damage probability of the connecting positions is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon dioxide injection pump technical field, concretely is a kind of high-capacity carbon dioxide injection pump. BACKGROUND

[0002] Carbon dioxide injection pump has the characteristics of multi-cylinder piston, large flow, high pressure, is suitable for oil field CO2 injection drive oil, and its working purpose is to increase the production of crude oil by pressurizing liquid CO2 in storage tank and injecting into oil well. It is stable in performance, easy to operate and convenient to maintain. Under good installation conditions, the starting time of the pump is about 1-5 minutes.

[0003] For example, a high-capacity carbon dioxide injection pump with authorization announcement number "CN220909944U" drives the piston to move up and down inside the pressure regulating cylinder through the electric telescopic rod, changes the size of the space at the bottom of the pressure regulating cylinder, and thus can change the internal pressure at the bottom end of the pressure regulating cylinder to avoid carbon dioxide gasification due to pressure change. However, the device adjusts the pressure by the piston, and when the pressure is high, the pipeline needs to bear more pressure, especially at the connection between the pipelines. The device is not convenient to reinforce, resulting in poor stability of the device during use. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the problem of poor stability of the device and provides a high-capacity carbon dioxide injection pump.

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

[0006] A high-capacity carbon dioxide injection pump is designed, which includes a base and a bracket. The upper end of the base is symmetrically fixed and connected to the bracket. The upper end of the base is symmetrically provided with an adjusting structure. The upper end of the bracket is fixed and connected to a pump body. The two ends of the pump body are respectively fixed and communicated with a liquid inlet pipe and a liquid outlet pipe. The upper end of the adjusting structure is provided with a locking structure. The surface of the base is provided with a plurality of through holes.

[0007] Preferably, the adjusting structure includes a support block and a straight plate. The lower end of the support block is fixed and connected to the base. The inner wall of the support block is slidingly connected to the straight plate. The support block is threadedly connected to the third bolt through the threaded through hole formed on the surface. One end of the third bolt abuts against the straight plate.

[0008] Preferably, one end of the liquid inlet pipe is fixed and communicated with the first straight pipe through a group of flanges. A group of flanges are threadedly connected through a plurality of first bolts and a plurality of nuts.

[0009] Preferably, one end of the liquid outlet pipe is fixed and communicated with the second straight pipe through another group of flanges. Another group of flanges are threadedly connected through a plurality of first bolts and a plurality of nuts.

[0010] Preferably, the locking structure comprises a top plate and a supporting plate, the lower end of the supporting plate is fixedly connected with the straight plate, the upper end of the supporting plate is movably connected with the top plate through a pin shaft, and the front end of the top plate is threadedly connected with the supporting plate through a second bolt and a nut.

[0011] Preferably, the inner wall of the top plate is matched with the second straight pipe, and the inner wall of the supporting plate is matched with the second straight pipe.

[0012] The large-flow carbon dioxide injection pump has the beneficial effects that: through cooperation of the adjusting structure and the locking structure, an operator rotates the third bolts on the two sides, so that the third bolts on the two sides are no longer abut against the straight plates on the two sides; the operator pulls the supporting plates on the two sides to drive the straight plates to slide in the support blocks, so that the surfaces of the supporting plates on the two sides are matched with the first straight pipe and the second straight pipe respectively; the operator pulls the top plates on the two sides, so that the inner walls of the top plates on the two sides are matched with the outer walls of the first straight pipe and the second straight pipe respectively; and the top plates and the supporting plates are fixed through the second bolts and the nuts, so that the second straight pipe and the first straight pipe can be further clamped and fixed, and when the internal pressure of the first straight pipe and the second straight pipe is relatively large, the connection between the first straight pipe and the second straight pipe and the liquid inlet pipe and the liquid outlet pipe can also be kept stable, and the probability of damage of the connection is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a front view of the utility model; Figure 1

[0015] Figure 3 It is a partial front view of the utility model; Figure 1

[0016] Figure 4 It is a partial side view of the utility model; Figure 1

[0017] Figure 5 It is a schematic view of A part in the utility model; Figure 3

[0018] Figure 6 It is a schematic view of B part in the utility model. Figure 2

[0019] In the drawing: 1, base, 2, adjusting structure, 201, third bolt, 202, support block, 203, straight plate, 3, support, 4, pump body, 5, liquid inlet pipe, 6, liquid outlet pipe, 7, first bolt, 8, flange plate, 9, locking structure, 901, top plate, 902, supporting plate, 903, second bolt, 10, first straight pipe, 11, second straight pipe, 12, through hole.​​​​​ DETAILED DESCRIPTION

[0020] The utility model will be further described below with reference to the drawings:

[0021] Refer to the drawings Figures 1-6 : in this embodiment, a kind of high-flow carbon dioxide injection pump, including base 1 and support 3, the upper end of base 1 is fixedly connected with support 3 symmetrically, the upper end of base 1 is equipped with adjusting structure 2 symmetrically, the upper end of support 3 is fixedly connected with pump body 4, pump body 4 is carbon dioxide injection pump, model can be DW-1Z, the two ends of pump body 4 are fixedly communicated with inlet pipe 5 and outlet pipe 6, the upper end of adjusting structure 2 is equipped with locking structure 9, the surface of base 1 is equipped with multiple through holes 12;

[0022] the one end of inlet pipe 5 is fixedly communicated with first straight pipe 10 by a group of flange plate 8, a group of flange plate 8 is connected by multiple first bolt 7 and multiple nut thread, the one end of outlet pipe 6 is fixedly communicated with second straight pipe 11 by another group of flange plate 8, another group of flange plate 8 is connected by multiple first bolt 7 and multiple nut thread, the inner wall of top plate 901 is attached to second straight pipe 11, the inner wall of supporting plate 902 is attached to second straight pipe 11.

[0023] adjusting structure 2 includes support block 202 and straight plate 203, the lower end of support block 202 is fixedly connected with base 1, the inner wall of support block 202 is slidably connected with straight plate 203, support block 202 is connected with third bolt 201 by the threaded through hole of surface, the one end of third bolt 201 is tightly abutted with straight plate 203.

[0024] locking structure 9 includes top plate 901 and supporting plate 902, the lower end of supporting plate 902 is fixedly connected with straight plate 203, the upper end of supporting plate 902 is movably connected with top plate 901 by pin shaft, the front end of top plate 901 is connected with supporting plate 902 by second bolt 903 and nut thread.

[0025] Working principle:

[0026] when the carbon dioxide injection pump is used:

[0027] operator carries the device to the designated use position, cooperates with the through hole 12 on the surface of base 1 by bolt, fixes base 1 to hard ground (hard ground can be cement ground), makes the inlet pipe 5 and outlet pipe 6 of pump body 4 connect with first straight pipe 10 and second straight pipe 11 respectively by both sides flange plate 8, the one end of first straight pipe 10 is connected with the container containing liquid carbon dioxide, while operator inserts second straight pipe 11 into oil well, high-pressure large amount of liquid carbon dioxide is inhaled through inlet pipe 5 and first straight pipe 10, and then is transported to oil well by outlet pipe 6 and second straight pipe 11, to increase the yield of crude oil.

[0028] Reinforcing process:

[0029] The operator rotates the third bolts 201 on both sides, so that the third bolts 201 on both sides are no longer in abutment with the straight plates 203, the operator pulls the supporting plates 902 to drive the straight plates 203 to slide in the inner part of the supporting blocks 202, the surfaces of the supporting plates 902 are respectively attached to the first straight pipe 10 and the second straight pipe 11, the third bolts 201 on both sides are tightened again, the operator pulls the top plates 901 on both sides, so that the inner walls of the top plates 901 are respectively attached to the outer walls of the first straight pipe 10 and the second straight pipe 11, the top plates 901 and the supporting plates 902 are fixed through the second bolts 903 and the nuts, so that the second straight pipe 11 and the first straight pipe 10 can be further clamped and fixed, when the inner pressure of the first straight pipe 10 and the second straight pipe 11 is large, the connection between the first straight pipe 10, the second straight pipe 11, the liquid inlet pipe 5 and the liquid outlet pipe 6 can also be kept stable, and the probability of damage of the connection is reduced.

[0030] Although the utility model has been illustrated and described by referring to the 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. A large flow carbon dioxide injection pump comprising a base (1) and a bracket (3), the upper end of the base (1) is fixedly connected with the bracket (3) in symmetry, characterized in that: The upper end of the base (1) is symmetrically provided with an adjusting structure (2), the upper end of the support (3) is fixedly connected with a pump body (4), the two ends of the pump body (4) are fixedly communicated with a liquid inlet pipe (5) and a liquid outlet pipe (6), the upper end of the adjusting structure (2) is provided with a locking structure (9), and the surface of the base (1) is provided with a plurality of through holes (12). The adjusting structure (2) comprises a supporting block (202) and a straight plate (203), the lower end of the supporting block (202) is fixedly connected with the base (1), the inner wall of the supporting block (202) is slidably connected with the straight plate (203), the supporting block (202) is screw-connected with a third bolt (201) through a threaded hole formed on the surface, and one end of the third bolt (201) abuts against the straight plate (203).

2. The high flow carbon dioxide injection pump of claim 1, wherein: One end of the liquid inlet pipe (5) is fixedly communicated with a first straight pipe (10) through a group of flange plates (8), and a group of the flange plates (8) are screw-connected through a plurality of groups of first bolts (7) and a plurality of nuts.

3. The high flow carbon dioxide injection pump of claim 1, wherein: One end of the liquid outlet pipe (6) is fixedly communicated with a second straight pipe (11) through another group of flange plates (8), and another group of the flange plates (8) are screw-connected through a plurality of groups of first bolts (7) and a plurality of nuts.

4. The high flow carbon dioxide injection pump of claim 1, wherein: The locking structure (9) comprises a top plate (901) and a supporting plate (902), the lower end of the supporting plate (902) is fixedly connected with the straight plate (203), the upper end of the supporting plate (902) is movably connected with the top plate (901) through a pin shaft, and the front end of the top plate (901) is screw-connected with the supporting plate (902) through a second bolt (903) and a nut.

5. A high flow carbon dioxide injection pump according to claim 4, characterised in that: The inner wall of the top plate (901) is attached to the second straight pipe (11), and the inner wall of the supporting plate (902) is attached to the second straight pipe (11).

Images