Acid preparation device

Abstract

The utility model discloses an acid preparation device in the technical field of chemical equipment, which comprises a tank body, a plurality of groups of support columns are welded at the bottom of the tank body, support rings are welded at the bottom ends of the plurality of groups of support columns, a cooling component for accelerating heat dissipation of liquid is arranged in the tank body, and a support plate is welded at the top of the tank body. A stirring assembly rotating close to the top and the bottom of the cooling assembly is installed on the supporting plate, a sealing cover is detachably installed on the top of the tank body, the cooling assembly comprises multiple sets of annular cooling pipes which are installed in the tank body and arranged at equal intervals up and down, and the ends, extending out of the tank body, of the multiple sets of cooling pipes communicate with the same liquid inlet pipe; the acid preparation device solves the problems that liquid in an existing acid preparation device can dissipate a large amount of heat in the mixing reaction process, long time needs to be consumed for cooling, the acid preparation device is not provided with a stirring assembly to accelerate the mixing speed of the liquid, the acid preparation efficiency is low, and the acid preparation device is not suitable for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to an acid dispenser. Background Art

[0002] Acidizing is an effective measure to increase oil well production. The acidizing process is to inject acid into the bottom of the oil well to remove the blockage at the bottom of the well or dissolve some of the rock particles in the formation, thereby increasing the permeability of the oil layer and ultimately achieving the purpose of increasing oil well production. The preparation of acid for oil well acidizing requires the use of a corresponding acid dispenser.

[0003] The liquid inside the existing acid dispenser will release a large amount of heat during the mixing reaction, and it takes a long time to cool down. In addition, the acid dispenser does not have a stirring component to speed up the mixing speed of the liquid. The efficiency of acid preparation is low, which is not conducive to people's use. Therefore, those skilled in the art provide an acid dispenser to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide an acid dispenser to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an acid dispenser, comprising a tank body, a plurality of groups of support columns are welded to the bottom of the tank body, support rings are welded to the bottom ends of the plurality of support columns, a cooling assembly for accelerating the heat dissipation of the liquid is provided inside the tank body, a support plate is welded to the top of the tank body, a stirring assembly for rotating near the top and bottom of the cooling assembly is installed on the support plate, and a sealing cover is detachably installed on the top of the tank body.

[0006] Preferably: the cooling assembly includes multiple groups of annular cooling tubes installed inside the tank body and arranged equidistantly up and down, and one end of the multiple groups of cooling tubes extending to the outside of the tank body is connected to the same liquid inlet pipe, and the other end of the multiple groups of cooling tubes extending to the outside of the tank body is connected to the same liquid outlet pipe.

[0007] Preferably, a plurality of fixing plates supporting the cooling pipes are welded to the inner wall of the tank body.

[0008] Preferably, the stirring assembly includes a servo motor fixedly mounted on the top of the support plate, the output end of the servo motor is connected to a rotating rod, and the surface of the rotating rod is detachably mounted with stirring rods close to the top and bottom of the cooling tube.

[0009] Preferably, the stirring assembly further comprises a scraper bar detachably mounted on an end of the stirring rod away from the rotating rod, and the scraper bar rotates in contact with the inner wall of the tank body.

[0010] Preferably, a fixing block detachably connected to one end of the stirring rod by bolts is welded on the surface of the rotating rod, and a mounting strip detachably connected to the other end of the stirring rod by bolts is welded on the side of the scraping strip.

[0011] Preferably: the top of the tank body is provided with a flange supporting the sealing cover, the sealing cover is fixedly connected to the flange and the support plate by bolts, the top of the flange is provided with a first sealing ring, and the top of the support plate is provided with a second sealing ring located on the outer ring of the servo motor.

[0012] Preferably, a plurality of groups of vertical rods equidistantly arranged in a circle around the central axis are welded to the top of the sealing cover, and lifting rings are welded to the top ends of the plurality of groups of vertical rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by arranging multiple groups of cooling pipes inside the tank body, the cooling of the liquid inside the tank body can be accelerated. The liquid inlet pipe and the liquid outlet pipe are connected to the multiple groups of cooling pipes, which can facilitate the circulation of the coolant inside the cooling pipes. A fixed plate is provided to support the cooling pipes, which can improve the supporting strength of the cooling assembly inside the tank body. A first sealing ring and a second sealing ring are provided between the sealing cover and the tank body, which can improve the sealing performance of the sealing cover after installation.

[0015] 2. In the utility model, a servo motor is provided to drive the rotating rod, the stirring rod and the scraper to rotate, so that the mixing speed of the liquid inside the tank body can be accelerated, and the stirring rod rotates close to the cooling tube, which can conveniently accelerate the diffusion cooling of the low-temperature liquid, so as to improve the acid preparation efficiency, etc. The scraper bar rotates in contact with the inner wall of the tank body, and can scrape off the crystals attached to the inner wall of the tank body, etc. The components of the stirring assembly are connected by bolts, which can facilitate the assembly of the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a top view of the tank structure of the utility model;

[0018] Figure 3 It is a cross-sectional view of the overall structure of the utility model.

[0019] In the figure: 1. tank body; 2. support column; 3. support ring; 4. support plate; 5. sealing cover; 6. cooling pipe; 7. liquid inlet pipe; 8. liquid outlet pipe; 9. fixing plate; 10. servo motor; 11. rotating rod; 12. stirring rod; 13. scraper bar; 14. fixing block; 15. mounting bar; 16. flange; 17. first sealing ring; 18. second sealing ring; 19. vertical rod; 20. lifting ring. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 to Figure 3 In an embodiment of the utility model, an acid dispenser includes a tank body 1, a plurality of support columns 2 are welded to the bottom of the tank body 1, a support ring 3 is welded to the bottom end of the plurality of support columns 2, and a stable support is provided for the bottom end of the tank body 1. A cooling component for accelerating the heat dissipation of the liquid is provided inside the tank body 1, a support plate 4 is welded to the top of the tank body 1, a stirring component for rotating near the top and bottom of the cooling component is installed on the support plate 4, and a sealing cover 5 is detachably installed on the top of the tank body 1.

[0022] When in use, after the stirring component is installed as a whole inside the tank body 1, the sealing cover 5 is sealed to the top of the tank body 1, and various materials requiring acid-mass ratio are transported to the inside of the tank body 1. The cooling liquid for cooling the inside of the tank body 1 circulates inside the cooling component, and the stirring component is started. The stirring component drives the solution inside the tank body 1 to stir, which can quickly and fully moderate the various solutions inside the tank body 1, and the stirring component is stirred close to the surface of the cooling component, which can quickly and conveniently diffuse the low-temperature liquid close to the surface of the cooling component, thereby improving the cooling efficiency.

[0023] In one embodiment, specifically, the cooling assembly includes multiple groups of annular cooling tubes 6 installed inside the tank body 1 and arranged equidistantly up and down. One end of the multiple groups of cooling tubes 6 extending to the outside of the tank body 1 is connected to the same liquid inlet pipe 7, and the other end of the multiple groups of cooling tubes 6 extending to the outside of the tank body 1 is connected to the same liquid outlet pipe 8. The coolant used for cooling is transported to the interior of the multiple groups of cooling tubes 6 through the liquid inlet pipe 7. After flowing through the interior of the tank body 1 for heat exchange, the coolant returns to the cooling device through the liquid outlet pipe 8 for recycling. Multiple groups of fixing plates 9 supporting the cooling tubes 6 are welded to the inner wall of the tank body 1, which can provide auxiliary support for the cooling tubes 6.

[0024] In one embodiment, specifically, the stirring assembly includes a servo motor 10 fixedly mounted on the top of the support plate 4, the output end of the servo motor 10 is connected to a rotating rod 11, and a stirring rod 12 near the top and bottom of the cooling tube 6 is detachably mounted on the surface of the rotating rod 11. Furthermore, the stirring assembly also includes a scraper bar 13 detachably mounted on the end of the stirring rod 12 away from the rotating rod 11, and the scraper bar 13 rotates in contact with the inner wall of the tank body 1.

[0025] Start the servo motor 10, which drives the rotating rod 11 to rotate. The rotating rod 11 drives multiple groups of stirring rods 12 to stir the inside of the tank body 1. The ends of the stirring rods 12 drive the scraper 13 to rotate. The scraper 13 can scrape off crystals attached to the inner wall of the tank body 1, making it convenient to clean the inside of the tank body 1.

[0026] Among them, a fixing block 14 is welded on the surface of the rotating rod 11 and is detachably connected to one end of the stirring rod 12 by bolts, and a mounting strip 15 is welded on the side of the scraper bar 13 and is detachably connected to the other end of the stirring rod 12 by bolts, which can facilitate the disassembly of the stirring rod 12 and the scraper bar 13 and the assembly of the stirring component to the interior of the tank body 1.

[0027] In one embodiment, a flange 16 supporting the sealing cover 5 is provided at the top of the tank body 1. The sealing cover 5 is fixedly connected to the flange 16 and the support plate 4 by bolts. A first sealing ring 17 is provided at the top of the flange 16. A second sealing ring 18 is provided at the top of the support plate 4 located on the outer ring of the servo motor 10. The first sealing ring 17 and the second sealing ring 18 can improve the sealing of the connection between the tank body 1 and the sealing cover 5. Furthermore, a plurality of groups of vertical poles 19 equidistantly arranged in a circle around the axis thereof are welded to the top of the sealing cover 5. Lifting rings 20 are welded to the tops of the plurality of vertical poles 19 to facilitate the staff in lifting the sealing cover 5.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An acid dispenser, comprising a tank body (1), a plurality of support columns (2) welded to the bottom of the tank body (1), support rings (3) welded to the bottom ends of the plurality of support columns (2), characterized in that: The tank body (1) is provided with a cooling assembly for accelerating heat dissipation of the liquid inside, a support plate (4) is welded to the top of the tank body (1), a stirring assembly is mounted on the support plate (4) and rotates near the top and bottom of the cooling assembly, and a sealing cover (5) is detachably mounted on the top of the tank body (1).

2. An acid dispenser according to claim 1, characterized in that: The cooling assembly comprises a plurality of groups of annular cooling pipes (6) installed inside the tank body (1) and arranged equidistantly in the upper and lower parts. One end of the plurality of groups of cooling pipes (6) extending to the outside of the tank body (1) is connected to a common liquid inlet pipe (7), and the other end of the plurality of groups of cooling pipes (6) extending to the outside of the tank body (1) is connected to a common liquid outlet pipe (8).

3. An acid dispenser according to claim 2, characterized in that: The inner wall of the tank body (1) is welded with a plurality of sets of fixing plates (9) for supporting the cooling pipes (6).

4. An acid dispenser according to claim 2, characterized in that: The stirring assembly comprises a servo motor (10) fixedly mounted on the top of a support plate (4); an output end of the servo motor (10) is connected to a rotating rod (11); a stirring rod (12) close to the top and bottom of a cooling tube (6) is detachably mounted on the surface of the rotating rod (11).

5. An acid dispenser according to claim 4, characterized in that: The stirring assembly further comprises a scraper bar (13) detachably mounted on an end of the stirring rod (12) away from the rotating rod (11), wherein the scraper bar (13) rotates in contact with the inner wall of the tank body (1).

6. An acid dispenser according to claim 5, characterized in that: A fixing block (14) is welded on the surface of the rotating rod (11) and is detachably connected to one end of the stirring rod (12) via bolts, and a mounting strip (15) is welded on the side of the scraping strip (13) and is detachably connected to the other end of the stirring rod (12) via bolts.

7. The acid dispenser according to claim 1, characterized in that: The top of the tank body (1) is provided with a flange (16) for supporting the sealing cover (5); the sealing cover (5) is fixedly connected to the flange (16) and the support plate (4) by bolts; a first sealing ring (17) is provided on the top of the flange (16); and a second sealing ring (18) is provided on the outer ring of the servo motor (10) at the top of the support plate (4).

8. An acid dispenser according to claim 7, characterized in that: A plurality of groups of vertical rods (19) equidistantly arranged in a circle around the central axis are welded to the top of the sealing cover (5), and lifting rings (20) are welded to the top ends of the plurality of groups of vertical rods (19).

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