CN220647876U

CN220647876U - Mixed conveying device

Info

Publication number: CN220647876U
Application number: CN202321217752.4U
Authority: CN
Inventors: 胡鼎哲
Original assignee: Chengdu Laiyang Technology Co ltd
Current assignee: Chengdu Laiyang Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2024-03-22
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a mixing and conveying device, which comprises: the device comprises a first container assembly, a second container assembly, a medium conveying pipeline and a power pipeline. The first container assembly includes a first rigid container and a first flexible container disposed within the first rigid container. The second container assembly includes a second rigid container and a second flexible container disposed within the second rigid container. The medium conveying pipeline is respectively communicated with the first flexible container and the second flexible container. The power pipeline is respectively communicated with the first hard container and the second hard container. Under the first working condition, the power pipeline drives the power liquid in the first hard container to flow into the second hard container so as to compress the second flexible container, and the medium in the second flexible container is discharged into the medium conveying pipeline. Under the second working condition, the power pipeline drives the power liquid in the second hard container to flow into the first hard container so as to compress the first flexible container, and the medium in the first flexible container is discharged into the medium conveying pipeline.

Description

Mixed conveying device

Technical Field

The utility model relates to the technical field of fluid conveying, in particular to a mixing conveying device.

Background

The multiphase flow mixed transportation technology is a high-efficiency and economic pumping technology developed in recent years, and is a development trend of oilfield production and transportation technology at home and abroad. Multiphase flow delivery requires very high stability requirements for the equipment and requires long-term stable operation. Multiphase flow mixing devices generally include a first tank, a second tank, and a reversing mechanism. The reversing mechanism drives the power liquid in the first tank body and the power liquid in the second tank body to reciprocate, so that the first tank body and the second tank body alternately form a vacuum suction cavity and/or a compression discharge cavity, and continuous mixed conveying of media is realized. However, in the first tank body and the second tank body, the power liquid and the medium are not isolated, the medium is in direct contact with the power liquid, the medium easily pollutes the power liquid, the mixed transportation device is in fault, and the normal operation of the mixed transportation device is affected.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model provides a mixing and conveying device.

The application provides the following technical scheme:

a mixing device, comprising:

a first container assembly comprising a first rigid container and a first flexible container disposed at least partially inside the first rigid container;

a second container assembly comprising a second rigid container and a second flexible container disposed at least partially inside the second rigid container;

the medium conveying pipeline is respectively communicated with the first flexible container and the second flexible container;

the power pipeline is respectively communicated with the first hard container and the second hard container;

the power pipeline has a first working condition and a second working condition, and the power pipeline circularly switches the first working condition and the second working condition;

under the first working condition, the power pipeline drives the power liquid in the first hard container to flow into the second hard container so as to compress the second flexible container, so that the medium in the second flexible container is discharged into the medium conveying pipeline, and the medium conveying pipeline injects the medium into the first flexible container;

under the second working condition, the power pipeline drives the power liquid in the second hard container to flow into the first hard container so as to compress the first flexible container, so that the medium in the first flexible container is discharged into the medium conveying pipeline, and the medium conveying pipeline injects the medium into the second flexible container.

Optionally, the first container assembly comprises a first rigid tube and a second rigid tube;

the first flexible container is positioned in the first hard container, and the first flexible container is provided with a first inlet and a first outlet;

the first inlet and outlet of the first flexible container is connected with the first hard tube;

the first hard pipe extends out of the first hard container, the first hard pipe is connected with the first hard container in a sealing way, and the first hard pipe is connected with the medium conveying pipeline;

the second flexible container is positioned in the second hard container, and the second flexible container is provided with a second inlet and outlet;

the second inlet and outlet of the second flexible container is connected with the second hard tube;

the second hard pipe extends out of the second hard container, the second hard pipe is connected with the second hard container in a sealing mode, and the second hard pipe is connected with the medium conveying pipeline.

Optionally, the mixing and conveying device comprises a first limiting piece and a second limiting piece;

the first limiting piece is connected to one end of the first hard pipe extending out of the first hard container, and the first flexible container and the first limiting piece are respectively limited in the first hard container and the first hard container;

the second limiting piece is connected to one end of the second hard pipe extending out of the second hard container, and the second flexible container and the second limiting piece are respectively limited inside and outside the second hard container.

Optionally, the first hard tube is provided with an external thread, the first limiting piece comprises a through thread groove, the first limiting piece is in threaded connection with the first hard tube, and the first limiting piece abuts against the outer wall of the first hard tube;

the second hard pipe is provided with external threads, the second limiting piece comprises a through thread groove, the second limiting piece is in threaded connection with the second hard pipe, and the second limiting piece abuts against the outer wall of the second hard pipe.

Optionally, a first threaded connection groove is formed in the first hard container, a first screw is arranged at one end, facing away from the first hard pipe, of the first flexible container, and the first screw is in threaded connection with the first threaded connection groove;

the second hard container is provided with a second threaded connecting groove, one end of the second flexible container, which is away from the second hard pipe, is provided with a second screw rod, and the second screw rod is in threaded connection with the second threaded connecting groove.

Optionally, the mixing and conveying device comprises a first window and a second window;

the first hard container is provided with a first operation opening, the first window is connected to the first hard container, and the first window is used for opening or closing the first operation opening;

the second hard container is provided with a second operation opening, the second window is connected to the second hard container, and the second window is used for opening or closing the second operation opening.

Optionally, the power pipeline comprises a power pipeline, a first pipeline, a second pipeline, a third pipeline and a fourth pipeline;

the first pipeline and the second pipeline are both connected to the first hard container, and the third pipeline and the fourth pipeline are both connected to the second hard container;

the power pipeline is provided with a power pump;

and under the first working condition, the power pipeline is respectively communicated with the first pipeline and the fourth pipeline, and under the second working condition, the power pipeline is respectively communicated with the second pipeline and the third pipeline.

Optionally, the power pipeline comprises a first communicating vessel and a second communicating vessel;

the first ends of the first pipeline, the third pipeline and the power pipeline are all connected with the first communicating vessel;

the second ends of the second pipeline, the fourth pipeline and the power pipeline are all connected with the second communicating vessel;

under the first working condition, the first communicating device is used for conducting the first pipeline and the power pipeline, the second communicating device is used for conducting the power pipeline and the fourth pipeline, under the second working condition, the first communicating device is used for conducting the third pipeline and the power pipeline, and the second communicating device is used for conducting the power pipeline and the second pipeline.

Optionally, the medium conveying pipeline comprises a first conveying pipe and a second conveying pipe;

the first conveying pipe and the second conveying pipe are connected in parallel;

the first flexible container is connected to the first conveying pipe, and the second flexible container is connected to the second conveying pipe;

under the first working condition, the first conveying pipe injects medium into the first flexible container, and the second flexible container discharges the medium into the second conveying pipe;

and under the second working condition, the first flexible container discharges the medium into the first conveying pipe, and the second conveying pipe injects the medium into the second flexible container.

Optionally, the first conveying pipe comprises a first pipe section and a second pipe section, the first flexible container is connected with a fifth pipeline, and the first pipe section, the second pipe section and the fifth pipeline are all connected with the third communicating vessel;

the second conveying pipe comprises a third pipe section and a fourth pipe section, the second flexible container is connected with a sixth pipeline, and the third pipe section, the fourth pipe section and the sixth pipeline are all connected with a fourth communicating vessel;

and under the first working condition, the third communicating vessel is used for conducting the first pipe section and the fifth pipe section, the fourth communicating vessel is used for conducting the sixth pipe section and the fourth pipe section, and under the second working condition, the fourth communicating vessel is used for conducting the third pipe section and the sixth pipe section, and the third communicating vessel is used for conducting the fifth pipe section and the second pipe section.

Through adopting above-mentioned technical scheme for this application has following beneficial effect:

the mixing and conveying device has the effects of reducing the inlet pressure of the medium conveying pipeline and increasing the outlet pressure of the medium conveying pipeline. Through setting up flexible container in the stereoplasm container, form the cavity that holds the power liquid between flexible container and the stereoplasm container, then can hold the medium in the flexible container, flexible container keeps apart power liquid and medium, prevents that the medium from polluting the power liquid and influencing the normal operating of mixing the delivery mechanism.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

fig. 1 is a state diagram of a mixing and conveying device provided in an embodiment of the present application in a first working condition;

fig. 2 is a state diagram of the mixing and conveying device provided in the embodiment of the present application in a second working condition;

fig. 3 is a schematic diagram of connection between a rigid container and a flexible container in a mixing and conveying device provided by an embodiment of the present application through a first screw;

fig. 4 is a schematic structural view of a flexible container of a mixing and conveying device provided in an embodiment of the present application.

In the figure: 1. a first container assembly; 11. a first rigid container; 12. a first flexible container; 13. a first rigid tube; 14. a first limiting member; 15. a first screw; 16. a support tube; 2. a second container assembly; 21. a second rigid container; 22. a second flexible container; 23. a second rigid tube; 24. a second limiting piece; 4. a power pipeline; 41. a first pipeline; 42. a second pipeline; 43. a third pipeline; 44. a fourth pipeline; 45. a power pipeline; 451. a power pump; 46. a first communicator; 47. a second communicating vessel; 5. a medium delivery line; 51. a first delivery tube; 511. a first pipe section; 512. a second pipe section; 52. a second delivery tube; 521. a third pipe section; 522. a fourth pipe section; 53. a third communicating vessel; 54. a fourth communicating vessel; 6. a fifth pipeline; 7. and a sixth pipeline.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, an embodiment of the present application provides a mixing and conveying device, including: a first container assembly 1, a second container assembly 2, a medium conveying pipeline 5 and a power pipeline 4. The first container assembly 1 comprises a first rigid container 11 and a first flexible container 12, said first flexible container 12 being at least partially arranged inside said first rigid container 11. The second container assembly 2 comprises a second rigid container 21 and a second flexible container 22, said second flexible container 22 being at least partially arranged inside said second rigid container 21. The medium delivery line 5 communicates with the first flexible container 12 and the second flexible container 22, respectively. The power pipeline 4 is respectively communicated with the first hard container 11 and the second hard container 21. The power pipeline 4 has a first working condition and a second working condition, and the power pipeline 4 circularly switches the first working condition and the second working condition. Referring to fig. 1, under the first working condition, the power pipeline 4 drives the power liquid in the first hard container 11 to flow into the second hard container 21 to compress the second flexible container 22, so that the medium in the second flexible container 22 is discharged into the medium conveying pipeline 5, and the medium conveying pipeline 5 injects the medium into the first flexible container 12. In the second working condition, as shown in fig. 2, the power pipeline 4 drives the power liquid in the second hard container 21 to flow into the first hard container 11 to compress the first flexible container 12, so that the medium in the first flexible container 12 is discharged into the medium conveying pipeline 5, and the medium conveying pipeline 5 injects the medium into the second flexible container 22.

The mixing and conveying device has the effects of reducing the inlet pressure of the medium conveying pipeline 5 and increasing the outlet pressure of the medium conveying pipeline 5. Through setting up flexible container in the stereoplasm container, form the cavity that holds the power liquid between flexible container and the stereoplasm container, then can hold the medium in the flexible container, flexible container keeps apart power liquid and medium, prevents that the medium from polluting the power liquid and influencing the normal operating of mixing the delivery device.

In one possible embodiment, the first container assembly 1 includes a first rigid tube 13, the second container assembly includes a second rigid tube 23, the first flexible container 12 is located in the first rigid container 11, the first flexible container 12 has a first inlet and outlet, the first inlet and outlet of the first flexible container 12 is connected to the first rigid tube 13, the first rigid tube 13 extends out of the first rigid container 11, the first rigid tube 13 is in sealing connection with the first rigid container 11, the first rigid tube 13 is connected to the medium delivery line 5, the second flexible container 22 is located in the second rigid container 21, the second flexible container 22 has a second inlet and outlet, the second flexible container 22 is connected to the second rigid tube 23, the second rigid tube 23 extends out of the second rigid container 21, the second rigid tube 23 and the second rigid tube 21 are in sealing connection with the medium delivery line 5.

The flexible container can be completely contained in the hard container, the hard pipe is connected to the inlet and the outlet of the flexible container, extends out of the hard container and is connected with the hard container in a sealing mode, and the hard pipe is arranged to facilitate connection and assembly with the hard container. The utility model discloses a can set up sealing member between stereoplasm pipe outer wall and stereoplasm container, seal the gap between the two, prevent that power fluid from leaking.

The mixing and conveying device comprises a first limiting piece 14 and a second limiting piece 24, wherein the first limiting piece 14 is connected to one end of the first hard pipe 13 extending out of the first hard container 11, and the first flexible container 12 and the first limiting piece 14 are respectively limited in the first hard container 11 and the outside. Similarly, the second stopper 24 is connected to an end of the second rigid tube 23 extending out of the second rigid container 21, and the second flexible container 22 and the second stopper 24 are respectively limited to the inside and the outside of the second rigid container 21.

The position of one end of the flexible container can be limited by connecting the limiting piece at one end of the hard pipe extending out of the hard container, so that the hard pipe is prevented from being completely retracted into the hard container, and the hard pipe is conveniently connected with the medium conveying pipeline 5.

The first hard tube 13 has an external thread, the first limiting member 14 includes a through thread groove, the first limiting member 14 is in threaded connection with the first hard tube 13, and the first limiting member 14 abuts against the outer wall of the first hard tube 13. The second hard tube 23 has an external thread, the second limiting member 24 includes a through thread groove, the second limiting member 24 is in threaded connection with the second hard tube 23, and the second limiting member 24 abuts against the outer wall of the second hard tube 23.

The hard container can be provided with a mounting opening, the hard pipe can penetrate through the mounting opening, the hard pipe and the mounting opening are sealed through a sealing piece, and the sealing piece can be a sealing ring or a sealing colloid. The part of the hard pipe exposed out of the hard container is provided with external threads, so that the hard pipe is conveniently connected with the nut in a threaded manner.

Specifically, referring to fig. 3, a first threaded connection groove is formed in the first hard container 11, a first screw 15 is disposed at an end of the first flexible container 12 facing away from the first hard tube 13, and the first screw 15 is in threaded connection with the first threaded connection groove. The first threaded connection groove may be a blind groove. Similarly, a second threaded connection groove is formed in the second hard container 21, and a second screw is disposed at one end of the second flexible container 22 facing away from the second hard tube 23, and the second screw is in threaded connection with the second threaded connection groove.

One end of the hard container, which is far away from the mounting port, is provided with a thread connecting groove, one end of the flexible container is fixed on the mounting port of the hard container through the hard pipe, and the other end of the flexible container is fixedly connected with the thread connecting groove through a screw rod. Both ends of the flexible container are fixed, and the flexible container cannot collapse.

Other effective solutions may also be employed in order to prevent collapse of the flexible container, such as: referring to fig. 4, a support tube 16 is disposed in the flexible container, where the support tube 16 may be an integral piece with the rigid tube, or fixedly connected with the rigid tube, one end of the support tube facing away from the rigid tube may be connected to one end of the flexible container facing away from the inlet and outlet, one end of the support tube facing away from the rigid tube may also extend out of the flexible container, and an end of the support tube 16 is connected to one end of the rigid container facing away from the inlet and outlet. The support tube and the hard container can be connected in a welding or clamping way. For example, the support tube 16 is threadably connected to a threaded groove (which may be a blind groove) on the rigid container. The support tube is provided with a lumen communicated with the hard tube, a plurality of through holes are formed in the support tube, and each through hole is communicated with the lumen. The medium enters and exits the tube cavity through each through hole. The two ends of the flexible container are effectively supported by the support tube, so that the flexible container is prevented from completely collapsing to influence the normal operation of the mixing and conveying device.

The mixing and conveying device comprises a first window body and a second window body, the first hard container 11 is provided with a first operation opening, the first window body is connected with the first hard container 11, and the first window body is used for opening or closing the first operation opening. Similarly, the second rigid container 21 has a second operation opening, and the second window is connected to the second rigid container 21, and is used for opening or closing the second operation opening.

When the flexible container needs to be maintained or replaced, an operator can open the window body, and the flexible container can be conveniently maintained, taken out or put in through the operation opening. The position of the window is not limited in this application. The number of the first operation ports and the second operation ports is not limited. After the first window body and the second window body are closed, the first window body and the second window body can be matched with the hard container in a sealing mode, and liquid leakage is prevented.

Referring to fig. 1 and 2, the power line 4 includes a power line 45, a first line 41, a second line 42, a third line 43, and a fourth line 44. The first pipe 41 and the second pipe 42 are connected to the first hard tank 11, and the third pipe 43 and the fourth pipe 44 are connected to the second hard tank 21. The power line 45 has a power pump 451, and in the first operating mode, the power line 45 is in communication with the first line 41 and the fourth line 44, respectively, and in the second operating mode, the power line 45 is in communication with the second line 42 and the third line 43, respectively.

Optionally, the power pipeline 4 includes a first communicating vessel 46 and a second communicating vessel 47, and the first ends of the first pipeline 41, the third pipeline 43 and the power pipeline 45 are all connected to the first communicating vessel 46. The second ends of the second pipe 42, the fourth pipe 44 and the power pipe 45 are all connected to the second communicating vessel 47. Referring to fig. 1, in the first operating condition, the first communicating vessel 46 communicates the first pipe 41 and the power pipe 45, the second communicating vessel 47 communicates the power pipe 45 and the fourth pipe 44, in the second operating condition, referring to fig. 2, the first communicating vessel 46 communicates the third pipe 43 and the power pipe 45, and the second communicating vessel 47 communicates the power pipe 45 and the second pipe 42. The first communicating vessel 46 and the second communicating vessel 47 may be three-way valves, and may be capable of automatically switching and controlling the communication states of the three pipes.

Note that, the first communicating vessel 46 and the second communicating vessel 47 may be three-way valves, and in this embodiment of the present application, the first communicating vessel 46 and the second communicating vessel 47 may not be provided, and only the corresponding on-off valves may be provided on each pipeline. For example: the power pipeline 4 comprises a power pipeline 45, a first pipeline 41, a second pipeline 42, a third pipeline 43 and a fourth pipeline 44, wherein the first pipeline 41 and the second pipeline 42 are connected to the first hard container 11, and the third pipeline 43 and the fourth pipeline 44 are connected to the second hard container 21. The first pipe 41 and the third pipe 43 are connected to one end of the power pipe 45, and the second pipe 42 and the fourth pipe 44 are connected to the other end of the power pipe 45. The power line 45 has a power pump 451. On-off valves are arranged on the first pipeline 41, the second pipeline 42, the third pipeline 43 and the fourth pipeline 44. Under the first working condition, only the on-off valves of the first pipeline 41 and the fourth pipeline 44 are controlled to be conducted, the power pipeline 45 is respectively communicated with the first pipeline 41 and the fourth pipeline 44, the power liquid in the first hard container 11 flows into the second hard container 21 under the action of the power pump 451 to compress the second flexible container 22, so that the medium in the second flexible container 22 is discharged into the medium conveying pipeline 5, and the medium conveying pipeline 5 injects the medium into the first flexible container 12. Under the second working condition, the on-off valves of the second pipeline 42 and the third pipeline 43 are controlled to be conducted, the power pipeline 45 is respectively communicated with the second pipeline 42 and the fourth pipeline 44, the power liquid in the second hard container 21 flows into the first hard container 11 under the action of the power pump 451 to compress the first flexible container 12, so that the medium in the first flexible container 12 is discharged into the medium conveying pipeline 5, and the medium conveying pipeline 5 injects the medium into the second flexible container 22.

The medium conveying pipeline 5 comprises a first conveying pipe 51 and a second conveying pipe 52, and the first conveying pipe 51 and the second conveying pipe 52 are connected in parallel. The first flexible container 12 is connected to the first delivery tube 51 and the second flexible container 22 is connected to the second delivery tube 52. In the first condition, the first delivery tube 51 injects medium into the first flexible container 12 and the second flexible container 22 discharges medium into the second delivery tube 52. In the second condition, the first flexible container 12 discharges the medium into the first delivery tube 51 and the second delivery tube 52 injects the medium into the second flexible container 22.

The first conveying pipe 51 comprises a first pipe section 511 and a second pipe section 512, the first flexible container 12 is connected with a fifth pipeline 6, and the first pipe section 511, the second pipe section 512 and the fifth pipeline 6 are all connected to the third communicating vessel 53. The second conveying pipe 52 comprises a third pipe section 521 and a fourth pipe section 522, the second flexible container 22 is connected with a sixth pipeline 7, and the third pipe section 521, the fourth pipe section 522 and the sixth pipeline 7 are all connected with the fourth communicating vessel 54. Referring to fig. 1, in the first operating condition, the third communicating vessel 53 communicates the first pipe section 511 and the fifth pipe section 6, the fourth communicating vessel 54 communicates the sixth pipe section 7 and the fourth pipe section 522, and in the second operating condition, referring to fig. 2, the fourth communicating vessel 54 communicates the third pipe section 521 and the sixth pipe section 7, and the third communicating vessel 53 communicates the fifth pipe section 6 and the second pipe section 512. It should be noted that the third communication device 53 and the fourth communication device 54 may be three-way valves or double one-way valves, so as to automatically switch and control the communication states of the three pipelines. For example, the third communicating vessel 53 may include two parallel pipes, where the two pipes are provided with check valves, and the conduction directions of the two check valves are opposite, one ends of the two pipes are all communicated with the fifth pipe 6, and the other ends of the two pipes are respectively connected to the first pipe section 511 and the second pipe section 512. Similarly, the fourth communicating vessel 54 may include two parallel pipes, where the two pipes are provided with check valves, and the conducting directions of the two check valves are opposite, and one ends of the two pipes are all connected to the sixth pipe 7, and the other ends of the two pipes are respectively connected to the third pipe section 521 and the fourth pipe section 522.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims

1. A mixing delivery device, comprising:

2. The mixing device of claim 1, wherein the first container assembly comprises a first rigid tube and the second container assembly comprises a second rigid tube;

3. The mixing and conveying apparatus as claimed in claim 2, comprising a first stopper and a second stopper;

4. The mixing and conveying apparatus according to claim 3, wherein the first hard pipe is provided with external threads, the first limiting piece comprises a through thread groove, the first limiting piece is in threaded connection with the first hard pipe, and the first limiting piece is propped against the outer wall of the first hard pipe;

5. The mixing and conveying device according to claim 2, wherein a first threaded connection groove is formed in the first hard container, a first screw is arranged at one end, facing away from the first hard pipe, of the first flexible container, and the first screw is in threaded connection with the first threaded connection groove;

6. The mixing device of claim 1, comprising a first window and a second window;

7. The mixing device of claim 1, wherein the power line comprises a power line, a first line, a second line, a third line, and a fourth line;

the power pipeline is provided with a power pump;

8. The mixing device of claim 7, wherein the power line comprises a first communication and a second communication;

9. The mixing device of claim 1, wherein the media delivery line comprises a first delivery tube and a second delivery tube;

10. The mixing and conveying apparatus as defined in claim 9, wherein the first conveying pipe comprises a first pipe section and a second pipe section, the first flexible container is connected to a fifth pipe, and the first pipe section, the second pipe section and the fifth pipe are all connected to a third communicating vessel;