CN216198031U

CN216198031U - Composite acid injection device

Info

Publication number: CN216198031U
Application number: CN202122670650.5U
Authority: CN
Inventors: 张泽春; 李伟; 刘明哲; 朱浩
Original assignee: Shandong Haisheng Ocean Engineering Group Co ltd; Shengli Oilfield Haifa Environmental Protection Chemical Co ltd
Current assignee: Shandong Haisheng Ocean Engineering Group Co ltd; Shengli Oilfield Haifa Environmental Protection Chemical Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to the technical field of oilfield development, in particular to a composite acid injection device which comprises a mixing barrel, wherein guide plates are fixedly connected to the left side and the right side of the top of the mixing barrel, a supporting block is fixedly connected to the bottom of each guide plate, a lead screw is rotatably connected to the top of each supporting block, sleeve plates are in threaded connection with the surface of each lead screw, a barrel cover is fixedly connected between the two sleeve plates, and a protective cover is arranged on the top of the middle side of the top of the barrel cover. This compound sour injection device passes through the accessible motor drive that the mixing drum top was equipped with, make the bung break away from, be convenient for wash the observation inside the barrel, and the wall scraping plate that is equipped with on the mixing roll, make the inside adhesion caking that reduces of section of thick bamboo wall, it is comparatively sealed to have solved current compound sour injection device and set up, after pouring into ratio work, a large amount of impurity still can be persisted to the barrel inside, traditional compound sour injection device lacks the clearance structure, make when carrying out the ratio and mixing, the inboard adhesion caking that can of section of thick bamboo wall, lead to pouring into the problem that the effect is not good.

Description

Composite acid injection device

Technical Field

The utility model relates to the technical field of oilfield development, in particular to a composite acid injection device.

Background

The oil well is a hole drilled by drilling method, after the oil layer is drilled, the oil layer casing pipe is put in, and the oil well cement is injected into the annular space between casing pipe and well wall to maintain well wall and seal oil, gas and water layer, then the oil layer is jetted by perforating gun according to the requirements of oil field development to form channel, and the oil pipe is put in, and the oil is raised from bottom of oil well to well head by using proper flow-inducing method. The principle is that the permeability of stratum pores and cracks is recovered or improved through the dissolving and corrosion effects of acid liquor on rock cement or stratum pores, plugs in cracks and the like. (ii) a

The existing composite acid injection device is sealed, a large amount of impurities can be remained in the barrel after the injection proportioning work is finished, the traditional composite acid injection device lacks a cleaning structure, and the inner side of the barrel wall can be adhered and caked when proportioning is carried out, so that the injection effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the utility model provides a composite acid injection device.

The technical scheme of the utility model is as follows:

the utility model provides a compound sour injection device, includes the blending barrel, the top left and right sides fixedly connected with deflector of blending barrel, the bottom fixedly connected with supporting shoe of deflector, the top of supporting shoe is rotated and is connected with the lead screw, the surperficial threaded connection of lead screw has the lagging, two fixedly connected with bung between the lagging, the top middle side top of bung is provided with the protection casing, the internally mounted of protection casing has the second motor, coaxial coupling has the puddler on the output shaft of second motor.

As an optimized technical scheme, a plurality of mixing rollers which are uniformly distributed at equal intervals are fixedly connected to the surface of the stirring rod, and one end, far away from the stirring rod, of each mixing roller is fixedly connected with a scraping plate.

As an optimal technical scheme, a limiting plate is arranged on the top surface of the screw rod, a motor shell is arranged at the top of the limiting plate, a first motor is arranged inside the motor shell, and an output shaft of the first motor is coaxially connected with the top surface of the screw rod.

According to the preferable technical scheme, the guide holes are formed in the surface of the guide plate, the left side and the right side of the bottom of the barrel cover are fixedly connected with connecting plates, and the bottom of each connecting plate is provided with an inserting column.

As an optimal technical scheme, a feeding hopper is arranged on the left side of the top of the barrel cover, and a proportioning pipe is arranged on the right side of the top of the barrel cover.

As the preferred technical scheme, the fixed cover ring that has cup jointed in the bottom surface of tempering tank, the bottom fixedly connected with of the fixed cover ring is equidistant evenly distributed's supporting leg, the bottom fixedly connected with base of supporting leg.

As a preferable technical scheme, the bottom of the mixing barrel is provided with a pouring pipe.

Compared with the prior art, the utility model has the beneficial effects that: this compound sour injection device passes through the accessible motor drive that the mixing drum top was equipped with, make the bung break away from, be convenient for wash the observation inside the barrel, and the wall scraping plate that is equipped with on the mixing roll, make the inside adhesion caking that reduces of section of thick bamboo wall, it is comparatively sealed to have solved current compound sour injection device and set up, after pouring into ratio work, a large amount of impurity still can be persisted to the barrel inside, traditional compound sour injection device lacks the clearance structure, make when carrying out the ratio and mixing, the inboard adhesion caking that can of section of thick bamboo wall, lead to pouring into the problem that the effect is not good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mixing tub assembly of the present invention;

fig. 3 is a schematic structural view of a lid assembly according to the present invention;

fig. 4 is a schematic structural view of the mixing assembly of the present invention.

In the figure: 1. a mixing barrel; 10. a fixed collar; 11. supporting legs; 100. a pouring tube; 12. a guide plate; 120. a guide hole; 13. a support block; 2. a screw rod; 20. a limiting plate; 21. a motor housing; 210. a first motor; 3. a barrel cover; 30. sheathing; 31. a hopper; 32. a proportioning pipe; 33. a connecting plate; 330. inserting a column; 4. a protective cover; 40. a second motor; 5. a stirring rod; 50. a mixing roll; 51. scraping a wall plate; 6. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a compound acid injection device, including blending hopper 1, the top left and right sides fixedly connected with deflector 12 of blending hopper 1, the bottom fixedly connected with supporting shoe 13 of deflector 12, the top of supporting shoe 13 is rotated and is connected with lead screw 2, the surface threaded connection of lead screw 2 has lagging 30, fixedly connected with bung 3 between two lagging 30, the top middle side top of bung 3 is provided with protection casing 4, the internally mounted of protection casing 4 has second motor 40, coaxial coupling has puddler 5 on the output shaft of second motor 40.

It is worth to say that, the second motor 40 is started by the operator, and the second motor 40 drives the stirring rod 5 to rotate, so as to mix and stir the solution which is proportioned in the mixing barrel 1.

What need supplement is that the fixed surface of puddler 5 is a plurality of mixing rollers 50 that equidistant evenly distributed, and mixing roller 50 keeps away from the one end fixedly connected with of puddler 5 and scrapes wallboard 51, through the continuous rotation of scraping wallboard 51 for caking on the 1 inner wall of blending tank is constantly scraped as to the inside of blending tank 1.

Preferably, the top surface of the screw rod 2 is provided with a limiting plate 20, the top of the limiting plate 20 is provided with a motor casing 21, the first motor 210 is installed inside the motor casing 21, and an output shaft of the first motor 210 is coaxially connected with the top surface of the screw rod 2.

It is worth to say that, when an operator needs to open the barrel cover 3, the first motor 210 is started at this time, the first motor 210 drives the screw rod 2 to rotate, so that the sleeve plate 30 connected with the screw rod 2 moves up and down in the direction of the screw rod 2, and at this time, the barrel cover 3 is driven to move up to be separated from the top of the mixing barrel 1.

Preferably, the guide hole 120 is formed on the surface of the guide plate 12, the connecting plates 33 are fixedly connected to the left and right sides of the bottom of the tub cover 3, and the insertion posts 330 are disposed at the bottoms of the connecting plates 33.

It should be noted that the insertion column 330 is provided at a position equal to the position of the guide hole 120 formed in the guide plate 12.

As a preferred example of the present embodiment, when the barrel cover 3 is connected to the top of the mixing barrel 1, at this time, along with the descending of the barrel cover 3, the insertion column 330 provided on the surface of the barrel cover 3 is inserted into the inner portion of the guiding hole 120, and at this time, the operator can use a structure such as an adjusting knob at the bottom to connect the guiding plate 12 with the connecting plate 33, and ensure the connection between the barrel cover 3 and the mixing barrel 1.

As the optimization of this embodiment, a loading hopper 31 is provided on the left side of the top of the barrel cover 3, a proportioning pipe 32 is provided on the right side of the top of the barrel cover 3, and an operator adds the composite acid production raw material to the inside through the loading hopper 31 and injects the mixed solution through the proportioning pipe 32.

It is worth to say that the fixed lantern ring 10 is fixedly sleeved on the bottom surface of the mixing barrel 1, the bottom of the fixed lantern ring 10 is fixedly connected with the supporting legs 11 which are uniformly distributed at equal intervals, and the bottom of the supporting legs 11 is fixedly connected with the base 6.

In the present embodiment, it is preferable that a pouring tube 100 is opened at the bottom of the mixing tub 1, and after the inside is mixed, the operator performs the pouring work to the outside through the pouring tube 100.

When the composite acid injection device is used, an operator firstly needs to separate the barrel cover 3 from the mixing barrel 1 to inspect the interior of the mixing barrel 1, the first motor 210 is started at the moment, the first motor 210 drives the screw rod 2 to rotate, so that the sleeve plate 30 connected with the screw rod 2 moves up and down in the direction of the screw rod 2, the barrel cover 3 is driven to move upwards to be separated from the top of the mixing barrel 1 at the moment, the operator inspects the interior of the mixing barrel 1, the operator combines the barrel cover 3 and the mixing barrel 1 after the inspection is finished, when the barrel cover 3 is connected to the top of the mixing barrel 1, the inserting column 330 arranged on the surface of the barrel cover 3 is inserted into the interior of the guiding hole 120 along with the descending of the barrel cover 3, and at the moment, the operator can connect the guiding plate 12 with the connecting plate 33 by using structures such as an adjusting knob at the bottom part, and ensure the connection of the barrel cover 3 and the mixing barrel 1, at this moment, operating personnel passes through loading hopper 31 and inwards adds compound acid raw materials for production, and pour into mixed solution into through ratio pipe 32, and simultaneously, operating personnel starts second motor 40, second motor 40 drives puddler 5 and rotates, the continuous rotation of scraping wallboard 51 through what mixing roller 50 surfaces were equipped with, make caking on mixing tub 1 inner wall constantly scrape and carry out intensive mixing as for mixing tub 1's inside, after the mixture finishes, operating personnel stops second motor 40, operating personnel pours into the work through pouring pipe 100 to the outside.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound acid injection device, includes mixing barrel (1), its characterized in that: the improved mixing barrel is characterized in that guide plates (12) are fixedly connected to the left side and the right side of the top of the mixing barrel (1), support blocks (13) are fixedly connected to the bottom of the guide plates (12), lead screws (2) are rotatably connected to the top of the support blocks (13), sleeve plates (30) are connected to the surface of the lead screws (2) in a threaded mode, a barrel cover (3) is fixedly connected between the sleeve plates (30), a protective cover (4) is arranged on the top of the barrel cover (3) on the middle side, a second motor (40) is installed inside the protective cover (4), and a stirring rod (5) is coaxially connected to an output shaft of the second motor (40).

2. The composite acid injection device of claim 1, wherein: the fixed surface of puddler (5) is connected with a plurality of mixing rollers (50) that are equidistant evenly distributed, mixing roller (50) are kept away from the one end fixedly connected with of puddler (5) scrapes wallboard (51).

3. The composite acid injection device of claim 1, wherein: the top surface of lead screw (2) is provided with limiting plate (20), the top of limiting plate (20) is provided with motor casing (21), the internally mounted of motor casing (21) has first motor (210), the output shaft of first motor (210) with the top surface coaxial coupling of lead screw (2).

4. The composite acid injection device of claim 1, wherein: the guide hole (120) has been seted up on the surface of deflector (12), the bottom left and right sides fixedly connected with connecting plate (33) of bung (3), the bottom of connecting plate (33) all is provided with inserts post (330).

5. The composite acid injection device of claim 1, wherein: a feeding hopper (31) is arranged on the left side of the top of the barrel cover (3), and a proportioning pipe (32) is arranged on the right side of the top of the barrel cover (3).

6. The composite acid injection device of claim 1, wherein: the bottom fixed surface of blending tank (1) has cup jointed fixed lantern ring (10), the bottom fixedly connected with of fixed lantern ring (10) is equidistant evenly distributed's supporting leg (11), the bottom fixedly connected with base (6) of supporting leg (11).

7. The composite acid injection device of claim 1, wherein: the bottom of the mixing barrel (1) is provided with a pouring tube (100).