CN219002747U

CN219002747U - Dissolving tank

Info

Publication number: CN219002747U
Application number: CN202223378980.8U
Authority: CN
Inventors: 杨海; 敬江松; 刘敬
Original assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Current assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-12
Anticipated expiration: 2032-12-16

Abstract

The dissolving tank comprises an outer tank body, wherein a dissolving and stirring mechanism is arranged in the outer tank body; the lower end of the outer tank body is communicated with a discharge pipe, the discharge pipe is convenient for discharging colloid, and discharging can be completed in a pumping mode during discharging; the dissolution stirring mechanism comprises an upper cover part arranged at the upper end of the outer tank body, a feed pipe and a liquid inlet pipe are communicated with the upper cover part, a motor is further arranged on the upper cover part, an output shaft of the motor is connected with a stirring center shaft, a plurality of stirring rods are arranged on the stirring center shaft, a plurality of connecting plates are arranged at the lower end of the inner part of the outer tank body, a dissolution inner tank is arranged at the inner side end of the connecting plates, a plurality of communication holes are formed in the periphery side and the lower bottom of the dissolution inner tank, the stirring center shaft is positioned in the dissolution inner tank, a placing space is provided for undissolved hard blocks by the existence of the dissolution inner tank, meanwhile, the dissolution inner tank is arranged below the feed pipe, after powdery filtrate reducer is added, the filtrate reducer is directly put into the dissolution inner tank, and the hard blocks in the filtrate reducer are prevented from directly entering between the dissolution inner tank and the outer tank body.

Description

Dissolving tank

Technical Field

The utility model relates to the technical field of filtrate reducer application, in particular to a dissolving tank.

Background

When in use, the fluid loss additive needs to be dissolved by a special solvent to form colloidal substances, and then the colloidal substances are injected into oil and gas exploitation eyes. The fluid loss additive is generally filled and packaged in a packaging bag after preparation, and during storage, hard blocks are often formed due to the combination of moisture in the air of the fluid loss additive, and the existence of the hard blocks easily forms hard blocks in colloid during dissolution, and the existence of the hard blocks affects the use of the fluid loss additive.

At present, when dissolution is carried out, hard blocks are selected by an operator firstly or are screened by a screening mode, and the problems can be avoided by the mode, but the mode obviously causes certain trouble to dissolution of the filtrate reducer.

Disclosure of Invention

Aiming at the defects of the related prior art, the application provides a dissolving tank which can prevent undissolved hard blocks from directly entering a colloid and can effectively improve the dissolving efficiency of a filtrate reducer.

The dissolving tank comprises an outer tank body, wherein a dissolving and stirring mechanism is arranged in the outer tank body;

the lower end of the outer tank body is communicated with a discharge pipe, the discharge pipe is convenient for discharging colloid, and discharging can be completed in a pumping mode or a pressurizing and pushing mode during discharging;

the dissolution stirring mechanism comprises an upper cover part arranged at the upper end of the outer tank body, a feed pipe and a liquid inlet pipe are communicated with the upper cover part, a motor is further arranged on the upper cover part, an output shaft of the motor is connected with a stirring center shaft, a plurality of stirring rods are arranged on the stirring center shaft, dissolution operation of a filtrate reducer can be conveniently carried out through the stirring rods which rotate, a plurality of connecting plates are arranged at the lower end of the inner part of the outer tank body, a dissolution inner tank is arranged at the inner side of the connecting plates, a plurality of communication holes are formed in the periphery side and the lower bottom of the dissolution inner tank, the stirring center shaft is positioned in the dissolution inner tank, the dissolution inner tank is positioned below the feed pipe and the liquid inlet pipe, a placing space is provided for undissolved hard blocks, the dissolution inner tank is arranged below the feed pipe at the same time, after the powdered filtrate reducer is added, the hard blocks in the filtrate reducer are directly put into the dissolution inner tank, the hard blocks are prevented from directly entering between the dissolution inner tank and the outer tank body, and the dissolution operation of the hard blocks is conveniently carried out.

Further, the outer side end of the stirring rod is provided with a scraping plate, the outer side end of the scraping plate is tangent to the inner wall of the dissolution inner tank, the inner wall of the dissolution inner tank can be cleaned by the arrangement of the scraping plate, and the dissolution inner tank and the outer tank body can be ensured to be in a conducting state all the time under cleaning.

Further, install the rolling disc through the round pin axle in the stirring, the periphery of rolling disc is equipped with connects the extension board, connect the outside end of extension board and install the swivel becket, install a plurality of overhanging protruding boards on the swivel becket, the outside end of overhanging protruding board all is equipped with outer (mixing) shaft, the upper end of outer (mixing) shaft all is equipped with driven gear, driven gear meshing has the ring gear, the ring gear is installed in the upper end of dissolving the inner tank, outer (mixing) shaft is located outer jar body and dissolves between the inner tank, through this kind of transmission mode on the one hand to outer jar body and dissolve the colloid between the inner tank and stir, thereby avoid the colloid to solidify here, and still stir the material in the inner tank of dissolving, thereby improved the efficiency of dissolving.

Further, a plurality of outer stirring rods are arranged on the outer stirring shaft.

The technical scheme has the advantages that:

when the dissolving tank is used for dissolving the filtrate reducer, undissolved hard blocks can be prevented from directly entering the colloid, so that the discharge and even the use of the filtrate reducer are affected, the dissolving efficiency of the filtrate reducer can be effectively improved, and the method has strong practicability.

Drawings

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective view of one embodiment.

Fig. 2 shows a second perspective view of one embodiment.

Fig. 3 shows an enlarged view at a.

Fig. 4 shows a three-dimensional block diagram of one embodiment.

Detailed Description

As shown in fig. 1 to 4, a dissolving tank comprises an outer tank body 1, and a dissolving and stirring mechanism 2 is arranged in the outer tank body 1.

The lower end of the outer tank 1 is communicated with a discharge pipe 10.

The dissolution stirring mechanism 2 comprises an upper cover part 200 arranged at the upper end of the outer tank body 1, the upper cover part 200 is communicated with a feed pipe 20 and a liquid inlet pipe 21, a motor 42 is further arranged on the upper cover part 200, an output shaft of the motor 42 is connected with a stirring center shaft 40, a plurality of stirring rods 41 are arranged on the stirring center shaft 40, a plurality of connecting plates 30 are arranged at the lower end of the inner part of the outer tank body 1, a dissolution inner tank 31 is arranged at the inner side end of the connecting plates 30, a plurality of communication holes are formed in the periphery and the lower bottom of the dissolution inner tank 31, the stirring center shaft 40 is positioned in the dissolution inner tank 31, and the dissolution inner tank 31 is positioned below the feed pipe 20 and the liquid inlet pipe 21. The outer end of the stirring rod 41 is provided with a scraper, and the outer end of the scraper is tangent to the inner wall of the dissolution inner tank 31. The stirring middle shaft 40 is provided with a rotating disc 39 through a pin shaft, the periphery of the rotating disc 39 is provided with a connecting support plate 38, the outer side end of the connecting support plate 38 is provided with a rotating ring 37, the rotating ring 37 is provided with a plurality of overhanging convex plates 36, the outer side ends of the overhanging convex plates 36 are respectively provided with an outer stirring shaft 34, the upper ends of the outer stirring shafts 34 are respectively provided with a driven gear 33, the driven gears 33 are meshed with a toothed ring 32, the toothed ring 32 is arranged at the upper end of the dissolution inner tank 31, and the outer stirring shafts 34 are positioned between the outer tank 1 and the dissolution inner tank 31. The outer stirring shaft 34 is provided with a plurality of outer stirring rods 35.

When in operation, an operator adds a solvent into the outer tank 1 through the liquid inlet pipe 21, then adds a certain amount of filtrate reducer into the dissolution inner tank 31 through the liquid inlet pipe 20, then starts the motor 42, drives the stirring center shaft 40 to rotate under the drive of the motor 42, drives the rotating ring 37 to rotate when the stirring center shaft 40 rotates, and drives each driven gear 33 to rotate around the axial direction of the toothed ring 32, and the driven gears 33 are in meshed relation with the toothed ring 32, so that the driven gears 33 rotate in the rotating process, the rotation of the driven gears 33 can stir the filtrate reducer in the outer tank 1 and the dissolution inner tank 31 through the outer stirring shaft 34 and the outer stirring rod 35, and the stirring rod 41 on the stirring center shaft 40 stirs the filtrate reducer in the dissolution inner tank 31 until the dissolution operation of the filtrate reducer is completed, and meanwhile, the stirring rod 41 can stir the filtrate reducer in a hard block shape, so that the dissolution operation of the filtrate reducer is facilitated.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The dissolving tank is characterized by comprising an outer tank body (1), wherein a dissolving and stirring mechanism (2) is arranged in the outer tank body (1);

the lower end of the outer tank body (1) is communicated with a discharge pipe (10);

the utility model provides a dissolve rabbling mechanism (2) including installing upper cover portion (200) in outer jar body (1) upper end, the intercommunication has inlet pipe (20) and feed liquor pipe (21) on upper cover portion (200), motor (42) are still installed on upper cover portion (200), the output shaft of motor (42) has stirring axis (40), be equipped with a plurality of puddlers (41) on stirring axis (40), the inside lower extreme of outer jar body (1) is equipped with a plurality of connecting plates (30), dissolve inner tank (31) are installed to the inboard end of connecting plate (30), a plurality of intercommunicating pores have been seted up on the week side and the lower extreme of dissolving inner tank (31), stirring axis (40) are located and dissolve inner tank (31) are located the below of inlet pipe (20) and feed liquor pipe (21).

2. A dissolution tank as claimed in claim 1, characterised in that the outer end of the stirring rod (41) is provided with a scraper, the outer end of which is tangential to the inner wall of the dissolution inner tank (31).

3. The dissolving tank according to claim 1, characterized in that a rotating disc (39) is mounted on the stirring center shaft (40) through a pin shaft, a connecting support plate (38) is arranged on the periphery of the rotating disc (39), a rotating ring (37) is mounted at the outer side end of the connecting support plate (38), a plurality of overhanging convex plates (36) are mounted on the rotating ring (37), outer stirring shafts (34) are arranged at the outer side ends of the overhanging convex plates (36), driven gears (33) are arranged at the upper ends of the outer stirring shafts (34), toothed rings (32) are meshed with the driven gears (33), the toothed rings (32) are mounted at the upper end of the dissolving inner tank (31), and the outer stirring shafts (34) are located between the outer tank body (1) and the dissolving inner tank (31).

4. A dissolution tank according to claim 3, characterised in that the outer stirring shaft (34) is provided with a plurality of outer stirring rods (35).