CN219482416U - Ground stress dilatation transformation liquid agitator tank - Google Patents

Abstract

The utility model discloses a ground stress capacity expansion transformation liquid stirring tank, relates to the technical field of oil and gas field exploitation and fracturing, and solves the problem that the stirring of the existing stirring tank is insufficient; the device comprises a tank body, a driving assembly and a stirring assembly, wherein a cover plate is arranged above the tank body, the stirring assembly is arranged inside the tank body and comprises a rotating shaft, the rotating shaft penetrates through the cover plate to be connected with the driving assembly, and the driving assembly is rotationally connected with the telescopic assembly; the device utilizes the drive assembly and the drive of flexible subassembly to the pivot for not only can rotatory stirring with pivot fixed connection's stirring part, and up-and-down motion in rotatory stirring's in-process, make the scope that the stirring was swept wider, thereby more abundant, even to the material stirring in the agitator tank.

Description

Ground stress dilatation transformation liquid agitator tank

Technical Field

The utility model relates to the technical field of exploitation and fracturing of oil and gas fields, in particular to a ground stress capacity expansion transformation liquid stirring tank.

Background

The heavy oil reservoir is mined by adopting the ground stress capacity expansion technology on site, but most heavy oil reservoirs are mined by adopting the characteristics of interlayer development, low permeability and strong heterogeneity, so that the problems of long capacity expansion mining preheating period, low oil gas ratio, high circulating produced liquid treatment pressure and the like are caused, and the capacity expansion and development effects are restricted to a certain extent. In order to solve the problem, the expansion characteristic of loose oil sand is utilized, hot fluid is injected into the well simultaneously to carry out micro-fracturing modification on the oil sand, so that the porosity and permeability of the oil sand in a stratum near a shaft are increased, and the purpose of quickly establishing hydraulic communication between the wells is achieved. In the ground stress capacity expansion operation field, a certain amount of capacity expansion transformation liquid is usually prepared in advance, and the capacity expansion transformation liquid needs to be stored separately, so that the scale and the application of the field ground stress capacity expansion technology are severely restricted. Therefore, for the capacity-expansion transformation fluid, a transformation fluid adding device capable of being used for on-site preparation and sand mixing integrated completion is developed in the prior art, and in the device, a stirring tank is very important, so how to design the stirring tank, so that the transformation fluid can be preheated in the stirring process, and stirring uniformity is also very important.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a ground stress capacity-expansion transformation liquid stirring tank, and aims to solve the problems of insufficient preheating and uneven stirring of the capacity-expansion transformation liquid in the prior art.

The ground stress capacity-expansion transformation liquid stirring tank comprises a tank body, a driving assembly and a stirring assembly, wherein a cover plate is arranged above the tank body, the stirring assembly is arranged in the tank body and comprises a rotating shaft, the rotating shaft penetrates through the cover plate to be connected with the driving assembly, and the driving assembly is rotationally connected with the telescopic assembly; in the operation process of the stirring tank, the driving component drives the rotating shaft to rotate, and the telescopic component drives the rotating shaft to move up and down, so that the rotating shaft drives the stirring component to rotate and simultaneously drives the stirring component to move up and down, the stirring range is wider, and the stirring is more uniform.

Preferably, the driving assembly comprises a driving wheel and a driving motor, the driving wheel is connected with the driving motor, gear teeth are arranged on the outer wall of the rotating shaft, and the gear teeth are meshed with the driving wheel; in the operation process of the driving component, the driving wheel is driven by the motor to rotate, and the driving wheel drives the rotating shaft provided with gear teeth to rotate, so that the rotation of the stirring component in the stirring tank is realized.

Preferably, the telescopic assembly comprises a driving piece and an executing piece, the executing piece is arranged above the gear teeth, the executing piece is rotationally connected with the rotating shaft, and the executing piece is fixedly connected with the driving piece through a connecting rod; the sleeve is preferably arranged on the executing piece, the sleeve is rotationally connected with the rotating shaft end, the driving piece is preferably a hydraulic cylinder, in the operation process, the hydraulic cylinder moves up and down to drive the sleeve fixedly connected with the hydraulic air pipe, the sleeve drives the rotating shaft to move up and down, and the stirring assembly fixedly connected with the rotating shaft also moves up and down, so that the stirring assembly stirs the dilatation transformation liquid more uniformly, and the precipitation at the bottom of the stirring tank can be reduced.

Preferably, the stirring assembly further comprises a plurality of stirring components, the stirring components comprise a stirring shaft, a stirring sleeve, stirring blades and a limiting piece, one end of the stirring shaft is fixedly connected with the rotating shaft, the other end of the stirring shaft is fixedly connected with the limiting piece, the stirring shaft penetrates through the stirring sleeve and is in sliding connection with the stirring sleeve, one end of the stirring sleeve is connected with the rotating shaft through an elastic piece, the other end of the stirring sleeve is connected with the limiting piece through the elastic piece, and the stirring blades are fixedly connected with the stirring sleeve; the spring is preferably selected for the elastic component, the spring and the stirring sleeve are arranged, so that in the stirring process, under the action of centrifugal force, the stirring sleeve extrudes the elastic component connected with the limiting component, when the action of centrifugal force is reduced, the elastic component rebounds to drive the stirring sleeve to act in the opposite direction, and the stirring sleeve can act back and forth in the stirring process, and the stirring She Laihui fixed on the stirring sleeve acts, so that stirring is more uniform, and precipitation at the bottom of the stirring tank can be reduced.

Preferably, the stirring parts are symmetrically arranged based on the rotating shaft; the stirring blades are arranged on one stirring sleeve, each stirring sleeve is equal in distance to each stirring She Jianju, and the stirring blades are symmetrically arranged based on the stirring sleeve; the stirring parts are divided into an upper group and a lower group, one group of the stirring parts is symmetrically provided with two stirring parts, the stirring blades take the distance between the stirring blades and the rotating shaft as a reference, three groups of the stirring blades are arranged on the stirring sleeve, and one group of the stirring blades comprises six stirring blades which are symmetrically arranged, so that stirring is more uniform.

Preferably, the stirring shaft is fixedly connected with the rotating shaft through a fixing ring, an internal thread is arranged in the fixing ring, an external thread is arranged on the surface of the rotating shaft, and the stirring part or the upper and lower positions of the stirring part can be replaced according to the conditions through the threaded connection of the fixing ring and the rotating shaft, so that the stirring part is more convenient to adjust or replace, and the working efficiency of related personnel is improved.

Preferably, the tank body is provided with an insulating layer and a heating layer, and the heating layer is provided with a heating wire, so that heating and heat preservation can be performed in the stirring tank in the stirring process, the transformation liquid can be fully preheated, the preheating effect of subsequent capacity expansion transformation is ensured, the preheating period is shortened, and meanwhile, the stirring is more uniform.

Preferably, one side of the cover plate is provided with an air outlet, the other side of the cover plate is provided with a charging port, the charging port is provided with a cover, the bottom of the tank body is provided with a discharging port, and the discharging port is provided with a valve; adding materials into the stirring tank through a feed inlet; after stirring, the stirred materials are taken out through the discharge hole, so that the operation is more convenient.

The beneficial effects of the utility model include:

1. the stirring component fixedly connected with the rotating shaft can be rotated and stirred by utilizing the driving component and the telescopic component to drive the rotating shaft, and can move up and down in the rotating stirring process, so that the range of stirring is wider, and the capacity-expanding reconstruction liquid in the stirring tank is more fully stirred; in addition, through the setting of elastic component and slidable sleeve pipe in stirring part for rotatory while along the (mixing) shaft round trip movement with sleeve pipe fixed connection's stirring leaf, thereby form the stirring of multi-angle all-round to the dilatation transformation liquid in the agitator tank, make stirring more abundant.

2. The agitator tank sets up zone of heating and heat preservation, and the zone of heating sets up the heater strip, prepares the transformation liquid at dilatation operation scene for transformation liquid can be fully preheated, guarantees the preheating effect of follow-up dilatation transformation, reduces simultaneously and preheats the cycle.

3. The threaded connection between the stirring part and the rotating shaft not only ensures that the position adjustment of the stirring part is more convenient, but also can quickly replace the stirring part when the stirring part is required, and improves the maintenance efficiency of the stirring tank, and simultaneously improves the working efficiency of related personnel.

Drawings

Fig. 1 is a schematic structural diagram of a liquid stirring tank for ground stress capacity expansion modification in embodiment 1 of the present application.

Fig. 2 is a schematic structural view of a stirring member according to example 1 of the present application.

Reference numerals

1-tank body, 11-heat preservation, 12-heating layer, 2-drive assembly, 21-action wheel, 22-driving motor, 23-teeth of a cogwheel, 3-expansion assembly, 31-drive piece, 32-execution piece, 4-stirring assembly, 41-pivot, 42-stirring part, 421-stirring shaft, 422-stirring sleeve, 423-stirring leaf, 424-limiting piece, 425-elastic piece, 43-fixed ring.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.

Example 1

As shown in fig. 1, in this embodiment, a ground stress capacity expansion transformation liquid stirring tank includes a tank body 1, a driving component 2 and a stirring component 4, a cover plate is disposed above the tank body 1, the stirring component 4 is disposed inside the tank body 1, the stirring component 4 includes a rotating shaft 41, the rotating shaft 41 passes through the cover plate and is connected with the driving component 2, and the driving component 2 is rotationally connected with the telescopic component 3; in the running process of the stirring tank, the driving component 2 drives the rotating shaft 41 to rotate, and the telescopic component 3 drives the rotating shaft 41 to move up and down, so that the rotating shaft 41 drives the stirring component 4 to rotate and simultaneously drives the stirring component 4 to move up and down, the stirring range is wider, and the stirring is more uniform; the driving assembly 2 comprises a driving wheel 21 and a driving motor 22, the driving wheel 21 is connected with the driving motor 22, gear teeth 23 are arranged on the outer wall of the rotating shaft 41, and the gear teeth 23 are meshed with the driving wheel 21; in the operation process of the driving assembly 2, a motor drives the driving wheel 21 to rotate, and the driving wheel 21 drives the rotating shaft 41 provided with the gear teeth 23 to rotate, so that the stirring assembly 4 in the stirring tank rotates; the telescopic assembly 3 comprises a driving piece 31 and an executing piece 32, the executing piece 32 is arranged above the gear teeth 23, the executing piece 32 is rotationally connected with the rotating shaft 41, and the executing piece 32 is fixedly connected with the driving piece 31 through a connecting rod; the actuating part 32 is a sleeve, the sleeve is rotationally connected with the end of the rotating shaft 41, the driving part 31 is a hydraulic cylinder, in the operation process, the hydraulic cylinder moves up and down to drive the sleeve fixedly connected with the hydraulic air pipe, the sleeve drives the rotating shaft 41 to move up and down again, and the stirring assembly 4 fixedly connected with the rotating shaft 41 also moves up and down, so that the stirring assembly 4 stirs up and down while rotating and stirring, stirring materials in the stirring tank is more uniform, and precipitation at the bottom of the stirring tank can be reduced.

The stirring assembly 4 further comprises a plurality of stirring components 42, the stirring components 42 comprise a stirring shaft 421, a stirring sleeve 422, stirring blades 423 and a limiting piece 424, one end of the stirring shaft 421 is fixedly connected with the rotating shaft 41, the other end of the stirring shaft 421 is fixedly connected with the limiting piece 424, the stirring shaft 421 penetrates through the stirring sleeve 422, the stirring shaft 421 is slidably connected with the stirring sleeve 422, one end of the stirring sleeve 422 is connected with the rotating shaft 41 through an elastic piece 425, the other end of the stirring sleeve 422 is connected with the limiting piece 424 through the elastic piece 425, the stirring shaft 421 penetrates through the elastic piece 425, and the stirring blades 423 are fixedly connected with the stirring sleeve 422; the elastic member 425 is a spring, and the spring and the stirring sleeve 422 are arranged, so that in the stirring process, under the action of centrifugal force, the stirring sleeve 422 extrudes the elastic member 425 connected with the limiting member 424, when the centrifugal force is reduced, the elastic member 425 rebounds to drive the stirring sleeve 422 to act in the opposite direction, that is, the stirring sleeve 422 can act back and forth in the stirring process, and the stirring blades 423 fixed on the stirring sleeve 422 act back and forth, so that stirring is more uniform, and sedimentation at the bottom of the stirring tank can be reduced; the stirring parts 42 are symmetrically arranged based on the rotating shaft 41; the stirring blades 423 are arranged on one stirring sleeve 422, the distances between the stirring blades 423 in each group are equal, and the stirring blades 423 are symmetrically arranged based on the stirring sleeve 422; the stirring components 42 are divided into an upper group and a lower group, one group is symmetrically provided with two stirring components 42, the stirring blades 423 are based on the distance between the stirring blades and the rotating shaft 41, three groups of front, middle and rear stirring blades 423 are arranged on the stirring sleeve 422, and one group comprises six stirring blades 423 which are symmetrically arranged, so that stirring is more uniform.

Stirring shaft 421 passes through solid fixed ring 43 fixed connection with pivot 41, be equipped with the internal thread in the solid fixed ring 43, pivot 41 surface is equipped with the external screw thread, through solid fixed ring 43 and the threaded connection of pivot 41, can change stirring part 42 or the upper and lower position of adjustment stirring part 42 according to the condition to make the adjustment or change to stirring part 42 more convenient, improve relevant personnel's work efficiency.

The tank body 1 is provided with the heat preservation 11 and the heating layer 12, the heating layer 12 is provided with the heater strip, so that the stirring tank can be heated and insulated in the stirring process, the transformation liquid can be fully preheated, the preheating effect of subsequent capacity expansion transformation is ensured, the preheating period is shortened, and meanwhile, the stirring is more uniform.

One side of the cover plate is provided with an air outlet, the other side of the cover plate is provided with a feed inlet, the feed inlet is provided with a cover, the bottom of the tank body 1 is provided with a discharge hole, and the discharge hole is provided with a valve; adding materials into the stirring tank through a feed inlet; after stirring, the stirred materials are taken out through the discharge hole, so that the operation is more convenient.

In the actual operation process, firstly, a feed port cover is opened, then materials are filled into a stirring tank from a feed port, then, the feed port cover is closed, a driving motor 22 and a hydraulic cylinder are started, a driving wheel 21 is driven by the motor to rotate, the driving wheel 21 drives a rotating shaft 41 provided with gear teeth 23 to rotate, so that rotation of a stirring assembly 4 in the stirring tank is realized, the hydraulic cylinder moves up and down to drive a sleeve fixedly connected with a hydraulic air pipe, the sleeve drives the rotating shaft 41 to move up and down, the stirring assembly 4 fixedly connected with the rotating shaft 41 realizes up and down stirring, and therefore, the stirring assembly 4 rotates and stirs materials in the stirring tank more uniformly and can reduce precipitation at the bottom of the stirring tank; in addition, in the stirring process, under the action of centrifugal force, the stirring sleeve 422 extrudes the elastic piece 425 connected with the limiting piece 424, when the action of centrifugal force is reduced, the elastic piece 425 rebounds to drive the stirring sleeve 422 to act in the opposite direction, so that the stirring sleeve 422 can act back and forth in the stirring process, and the stirring blades 423 fixed on the stirring sleeve 422 can act back and forth, so that multi-angle full-scale stirring is formed on materials in the stirring tank, and the stirring is more sufficient; after the stirring is completed, the driving motor 22 and the hydraulic cylinder are turned off to stop stirring, then the valve of the discharge hole is opened, and the stirred materials are taken out.

Example 2

As shown in fig. 1, this embodiment is different from embodiment 1 in that the driving assembly 2 includes a driving motor 22, the driving motor 22 is located above the rotating shaft 41, the driving motor 22 is connected to the top end of the rotating shaft 41, and the rotating shaft 41 drives the rotating assembly to rotate under the driving of the driving motor 22, so as to stir the materials in the stirring tank; the telescopic assembly 3 comprises a driving piece 31 and an executing piece 32, the executing piece 32 is arranged above the driving motor 22, the executing piece 32 is fixedly connected with the driving motor 22, and the executing piece 32 is fixedly connected with the driving piece 31 through a connecting rod; the actuating part 32 is a sleeve, the sleeve is rotationally connected with the end of the rotating shaft 41, the driving part 31 is a hydraulic cylinder, in the operation process, the hydraulic cylinder moves up and down to drive the sleeve fixedly connected with the hydraulic air pipe, the sleeve drives the driving motor 22 to move up and down, the driving motor 22 drives the rotating shaft 41 to move up and down, and then the stirring assembly 4 fixedly connected with the rotating shaft 41 also moves up and down, so that the stirring assembly 4 not only realizes rotary stirring but also can realize up and down stirring, and the sedimentation at the bottom of the stirring tank can be reduced while stirring materials in the stirring tank is more uniform.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

Claims (5)

1. The ground stress capacity expansion transformation liquid stirring tank is characterized by comprising a tank body (1), a driving assembly (2) and a stirring assembly (4), wherein a cover plate is arranged above the tank body (1), the stirring assembly (4) is arranged inside the tank body (1), the stirring assembly (4) comprises a rotating shaft (41), the rotating shaft (41) penetrates through the cover plate to be connected with the driving assembly (2), and the driving assembly (2) is rotationally connected with a telescopic assembly (3);

the driving assembly (2) comprises a driving wheel (21) and a driving motor (22), the driving wheel (21) is connected with the driving motor (22), gear teeth (23) are arranged on the outer wall of the rotating shaft (41), and the gear teeth (23) are meshed with the driving wheel (21);

the telescopic assembly (3) comprises a driving piece (31) and an executing piece (32), the executing piece (32) is arranged above the gear teeth (23), the executing piece (32) is rotationally connected with the rotating shaft (41), and the executing piece (32) is fixedly connected with the driving piece (31) through a connecting rod;

the stirring assembly (4) further comprises a plurality of stirring components (42), the stirring components (42) comprise a stirring shaft (421), a stirring sleeve (422), stirring blades (423) and a limiting piece (424), one end of the stirring shaft (421) is fixedly connected with the rotating shaft (41), the other end of the stirring shaft is fixedly connected with the limiting piece (424), the stirring shaft (421) penetrates through the stirring sleeve (422), the stirring shaft (421) is slidably connected with the stirring sleeve (422), one end of the stirring sleeve (422) is connected with the rotating shaft (41) through an elastic piece (425), the other end of the stirring sleeve (422) is connected with the limiting piece (424) through the elastic piece (425), and the stirring shaft (421) penetrates through the elastic piece (425); the stirring blade (423) is fixedly connected with the stirring sleeve (422).

2. The ground stress capacity expansion transformation liquid stirring tank according to claim 1, wherein a plurality of stirring components (42) are provided, and the stirring components (42) are symmetrically arranged based on a rotating shaft (41); the stirring blades (423) are arranged on one stirring sleeve (422), the intervals of the stirring blades (423) in each group are equal, and the stirring blades (423) are symmetrically arranged based on the stirring sleeve (422).

3. The ground stress capacity expansion transformation liquid stirring tank according to claim 1, wherein the stirring shaft (421) is fixedly connected with the rotating shaft (41) through a fixing ring (43), an internal thread is arranged in the fixing ring (43), and an external thread is arranged on the surface of the rotating shaft (41).

4. The ground stress capacity-expansion transformation liquid stirring tank according to claim 1, wherein the tank body (1) is provided with a heat preservation layer (11) and a heating layer (12), and the heating layer (12) is provided with a heating wire.

5. The ground stress capacity-expansion transformation liquid stirring tank of claim 1, wherein one side of the cover plate is provided with an air outlet, the other side of the cover plate is provided with a feed inlet, the feed inlet is provided with a cover, the bottom of the tank body (1) is provided with a discharge hole, and the discharge hole is provided with a valve.