CN218032677U

CN218032677U - Slurry conveying device and slurry conveying system

Info

Publication number: CN218032677U
Application number: CN202222598712.0U
Authority: CN
Inventors: 李忠华
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-13
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a slurry conveying device and a slurry conveying system, wherein the slurry conveying device comprises a diaphragm pump, a U-shaped transit pipe and a screw pump; a feeding port of the diaphragm pump is connected with a feeding device, a discharge port of the diaphragm pump is connected with a flow channel on one side of a vertically arranged U-shaped transit pipe, and a flow channel on the other side of the U-shaped transit pipe is connected with a feeding port of the screw pump; and a connecting pipe for circulating slurry is arranged between runners at two sides of the U-shaped transit pipe. Because the U-shaped transfer pipe is vertically arranged, the flow passages on the two sides of the U-shaped transfer pipe can be arranged in a way that the height of the workshop space is vertical to the workshop ground, and the occupied area of the equipment can be reduced by adopting the U-shaped transfer pipe. In addition, the U-shaped transfer pipe comprises two side runners and a connecting pipe arranged in the middle of the runner, and compared with the traditional transfer tank, the U-shaped transfer pipe is compact in structure and small in size, and manufacturing cost can be saved.

Description

Slurry conveying device and slurry conveying system

Technical Field

The utility model relates to a thick liquids conveying system technical field, more specifically say, relate to a thick liquids conveyor. Furthermore, the utility model discloses still relate to a thick liquids conveying system including above-mentioned thick liquids conveyor.

Background

Slurry delivery systems have been widely used in processes in the fields of petroleum, chemical, food, pharmaceutical, lithium battery, mining, spraying, and the like. The lithium battery slurry conveying system refers to a slurry conveying device for conveying slurry from a stirrer to a coating machine device, and the slurry serving as a production raw material needs to be conveyed to the coating machine device remotely.

In the prior art, a diaphragm pump is connected with an outlet of a stirrer, so that the slurry in the stirrer is emptied, and the slurry is pumped into a conveying pipeline. However, the diaphragm pump is not suitable for common long-distance conveying, and cannot meet the requirement for long-distance conveying of slurry in a lithium battery slurry conveying system, a transfer tank is usually added in the long-distance conveying, so that the transfer tank is connected to the outlet of the diaphragm pump, a weighing sensor is arranged on the transfer tank to confirm the liquid level of the slurry in the transfer pipe, and then the transfer tank is connected with a screw pump to realize the long-distance conveying. However, the transfer tanks used for transfer and storage have a large volume, increasing the footprint of the slurry delivery system equipment and increasing manufacturing costs.

Therefore, how to reduce the occupied area of the equipment and save the manufacturing cost is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a thick liquids conveyor, this thick liquids conveyor can solve the big and high problem of manufacturing cost of equipment area.

Another object of the utility model is to provide a thick liquids conveying system including above-mentioned thick liquids conveying device.

In order to solve the above-mentioned object, the utility model provides a following technical scheme:

a slurry conveying device comprises a diaphragm pump, a U-shaped transit pipe and a screw pump; the feeding port of the diaphragm pump is connected with a feeding device, the discharge port of the diaphragm pump is connected with a flow channel on one side of the U-shaped transit pipe which is vertically arranged, and a flow channel on the other side of the U-shaped transit pipe is connected with the feeding port of the screw pump; and a connecting pipe for circulating slurry is arranged between runners at two sides of the U-shaped transit pipe.

Preferably, a pressure sensor is arranged on a conveying pipeline between a discharge port of the diaphragm pump and the U-shaped transfer pipe, and the diaphragm pump and the pressure sensor are both connected to the controller.

Preferably, the top ends of the flow passages on the two sides of the U-shaped transit pipe are respectively provided with an exhaler, each exhaler is provided with a corresponding pneumatic valve, and the pneumatic valves are arranged at the lower ends of the exhalers.

Preferably, a liquid level meter used for sensing the liquid level of the slurry inside the U-shaped transfer pipe is arranged in the U-shaped transfer pipe, and the liquid level meter, the diaphragm pump and the screw pump are connected to the controller.

Preferably, the liquid level meter comprises a first liquid level meter arranged on the upper part of the U-shaped transfer pipe and a second liquid level meter arranged on the lower part of the U-shaped transfer pipe.

Preferably, the first liquid level meter is arranged on one side, close to the diaphragm pump, of the U-shaped transfer pipe; the second liquid level meter is arranged on one side, close to the screw pump, of the U-shaped transfer pipe.

Preferably, the connecting pipe in the middle of the U-shaped transit pipe is provided with a control valve for controlling the circulation of slurry.

A slurry conveying system comprises a stirrer, a coating machine and any one of the slurry conveying devices, wherein the stirrer is connected with a feeding port of the slurry conveying device and used for supplying materials to the slurry conveying device, and a discharge port of the slurry conveying device is connected with the coating machine.

Compared with the prior art, the utility model provides a slurry conveying device, which comprises a diaphragm pump, a U-shaped transit pipe and a screw pump; a feeding port of the diaphragm pump is connected with a feeding device, a discharge port of the diaphragm pump is connected with a flow channel on one side of a vertically arranged U-shaped transit pipe, and a flow channel on the other side of the U-shaped transit pipe is connected with a feeding port of the screw pump; and a connecting pipe for circulating slurry is arranged between runners at two sides of the U-shaped transit pipe. Therefore, the slurry in the feeding device is conveyed to the U-shaped transit pipe through the diaphragm pump, and the slurry in the U-shaped transit pipe is sucked out through the screw pump, so that the U-shaped transit pipe plays a role in transferring or storing in the requirement of remotely conveying the slurry.

Because the U-shaped transfer pipe is vertically arranged when in use, and the flow passages at the two sides of the U-shaped transfer pipe can be arranged by using the workshop space height vertical to the workshop ground, the floor area of the equipment can be reduced by adopting the U-shaped transfer pipe. In addition, the U-shaped transfer pipe is composed of two side runners and a connecting pipe arranged in the middle of the two side runners, the two side runners are respectively connected with the diaphragm pump and the screw pump, and the connecting pipe is arranged between the two side runners and used for circulating slurry in the two side runners.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a slurry delivery system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a slurry conveying device according to an embodiment of the present invention.

In the figure:

1 is a stirrer, 2 is a diaphragm pump, 3 is a U-shaped transit tube, 4 is a screw pump, 5 is a coating machine, 6 is a pressure sensor, 7 is a connecting tube, 8 is a control valve, 9 is a pneumatic valve, 10 is a breather, 11 is a first liquid level meter, and 12 is a second liquid level meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a slurry conveying device, this slurry conveying device can solve the big and high problem of manufacturing cost of equipment area.

The other core of the utility model is to provide a thick liquids conveying system including above-mentioned thick liquids conveyor.

Referring to fig. 1 and 2, a slurry delivery apparatus provided by the present application includes a diaphragm pump 2, a U-shaped transfer pipe 3, and a screw pump 4; a feeding port of the diaphragm pump 2 is connected with a feeding device, a discharging port of the diaphragm pump 2 is connected with a flow channel on one side of a vertically arranged U-shaped transit pipe 3, and a flow channel on the other side of the U-shaped transit pipe 3 is connected with a feeding port of a screw pump 4; a connecting pipe 7 for circulating slurry is arranged between the runners at the two sides of the U-shaped transfer pipe 3.

Specifically, the pan feeding mouth of diaphragm pump 2 is connected to feedway's discharge gate, 3 vertical settings of U type transfer pipe, that is to say that one side runner and the equal vertical setting of opposite side runner of U type transfer pipe 3, the discharge gate of diaphragm pump 2 is connected to one side runner of U type transfer pipe 3, the pan feeding mouth of screw pump 4 is connected to the opposite side runner, through connecting pipe 7 intercommunication between the both sides runner of U type transfer pipe 3, thereby thick liquids in the feedway carry through the pump suction of diaphragm pump 2 and carry out the transfer or store to U type transfer pipe 3, then through 4 pump suction U type transfer pipes 3 of screw pump.

Above-mentioned thick liquids conveyor is applicable to the long-distance thick liquids of carrying, and diaphragm pump 2 can't satisfy the demand of long-distance transport, so set up U type transfer pipe 3 and screw pump 4 in longer transport distance. Because the U-shaped transfer pipe 3 is vertically arranged, the runners at the two sides of the U-shaped transfer pipe 3 can be arranged by utilizing the workshop space height vertical to the workshop ground, and the floor area of the equipment can be reduced by adopting the U-shaped transfer pipe 3. In addition, the U-shaped transit pipe 3 is composed of two side runners and a connecting pipe 7 arranged in the middle of the two side runners, the two side runners are respectively connected with the diaphragm pump 2 and the screw pump 4, and the connecting pipe 7 is arranged between the two side runners for circulating slurry in the two side runners, so that compared with a traditional transit tank, the U-shaped transit pipe 3 is compact in structure and small in size, and manufacturing cost can be saved.

On the basis of the above embodiment, as a further preferable mode, a pressure sensor 6 is arranged on the conveying pipeline between the discharge port of the diaphragm pump 2 and the U-shaped transit pipe 3 so as to monitor whether the slurry in the feeding device is emptied. Diaphragm pump 2 and pressure sensor 6 all connect in the controller, make things convenient for the controller to realize the control to diaphragm pump 2 through pressure sensor 6's response data.

Alternatively, the pressure sensor 6 may be disposed at a side close to the diaphragm pump 2, or at an inlet of the U-shaped transit pipe 3.

On the basis of the above embodiment, as a further preference, the top ends of the flow passages on both sides of the U-shaped transit tube 3 are provided with the exhalers 10, and each exhaler 10 is provided with a corresponding pneumatic valve 9, and the pneumatic valve 9 is arranged at the lower end of the exhaler 10. Optionally, the aforementioned exhaler 10 and the pneumatic valve 9 may be connected to a controller to implement electric control setting.

Specifically, through two pneumatic valves 9 on 3 tops of regulation and control U type transfer pipe, make 3 interior gas flows in respirator 10 in the U type transfer pipe to utilize respirator 10 to keep 3 atmospheric pressure of U type transfer pipe unanimous with external atmospheric pressure, so that the thick liquids liquid level keeps on the same water flat line in the both sides runner of U type transfer pipe 3, so that measure the thick liquids liquid level in U type transfer pipe 3.

On the basis of the above embodiment, as a further preferred option, a level meter for sensing the liquid level of the slurry inside the U-shaped transfer pipe 3 is arranged inside the U-shaped transfer pipe, and the level meter, the diaphragm pump 2 and the screw pump 4 are both connected to the controller, so as to control the rotation of the screw rod 4 and the diaphragm pump 2 according to the liquid level of the slurry inside the level meter sensing pipe.

Specifically, when the diaphragm pump 2 starts to operate, the liquid level meter in the U-shaped transit pipe 3 senses the slurry liquid level and transmits the slurry liquid level to the controller in a signal form, the controller sends a starting signal to the screw pump 4, the screw pump 4 continues to pump out the slurry in the U-shaped transit pipe 3 after the screw pump 4 is ensured to be idle, and the controller stops the screw pump 4 when the liquid level meter does not sense the sensing signal of the slurry liquid level.

Optionally, the mode that sets up of level gauge in U type transfer pipe 3 in this application is not restricted, as long as satisfy the level gauge can sense the thick liquids liquid level can.

On the basis of the above embodiment, as a further preferred, the level gauge includes a first level gauge 11 disposed on the upper portion of the U-shaped transit pipe 3 and a second level gauge 12 disposed on the lower portion of the U-shaped transit pipe 3, so that the level gauge senses a more accurate sensing signal of the slurry level in the pipe.

Specifically, the first liquid level meter 11 is connected to the upper portion of the U-shaped transfer pipe 3, when the first liquid level meter 11 senses the slurry, the screw rod 4 can be controlled to be opened, the slurry in the U-shaped transfer pipe 3 is sufficient, and idle rotation of the screw rod 4 is further guaranteed; the second liquid level meter 12 is connected to the lower portion of the U-shaped transfer pipe 3, when the second liquid level meter 12 does not sense the slurry, the control screw rod 5 is closed, the slurry in the U-shaped transfer pipe 3 is almost completely pumped out, and the fact that no residual slurry exists in the U-shaped transfer pipe 3 is guaranteed.

Optionally, the positions of the two liquid level meters are not limited to the top or the bottom of the U-shaped transit pipe 3, and the setting positions thereof may be set according to the delay state of the communication between the pump body and the controller.

In addition to the above embodiment, as a further preferable mode, the first level gauge 11 is provided on the U-shaped transit pipe 3 on the side close to the diaphragm pump 2; the second liquid level meter 12 is arranged on one side, close to the screw pump 4, of the U-shaped transfer pipe 3 so as to avoid the influence of delay of liquid level signal transmission of the liquid level meter.

Specifically, the discharge port of the diaphragm pump 2 is connected with the flow channel at one side of the U-shaped transfer pipe 3, so that the first liquid level meter 11 is arranged at the upper part of the flow channel at one side of the U-shaped transfer pipe 3 connected with the diaphragm pump 2, when the first liquid level meter 11 senses slurry, the first liquid level meter 11 can timely transmit a liquid level signal to the controller, and the screw pump 4 is controlled to be started in time; because the feeding port of the screw pump 4 is connected with the other side runner of the U-shaped transit pipe 3, the second liquid level meter 12 is arranged at the lower part of the other side runner of the U-shaped transit pipe 3 connected with the screw pump 4, when the second liquid level meter 12 cannot sense the slurry, the screw pump 4 can be timely closed, and the emptying of the slurry of the U-shaped transit pipe 3 is further ensured.

In addition to the above-described embodiment, it is further preferable that the connection pipe 7 at the middle portion of the U-shaped relay pipe 3 is provided with a control valve 8 for controlling the flow of the slurry so as to control the flow of the slurry in the flow passages on both sides of the U-shaped relay pipe 3.

The utility model provides a thick liquids conveyor is when using the operation, and two pneumatic valves 9 in 3 tops of transfer pipe in the U type are opened, and transfer pipe 3 keeps unanimous with external atmospheric pressure through respirator 10 in the U type. And controlling the diaphragm pump 2 to start to operate, wherein the liquid levels of the runners at the two sides in the U-shaped transfer pipe 3 start to rise, and when the high liquid level meter 11 senses a liquid level signal, the screw pump 4 starts to start so as to ensure that the screw pump 4 does not idle. When the pressure sensor 6 arranged at the discharge port of the diaphragm pump 2 senses that the pressure is obviously reduced, 5 seconds are delayed to close the diaphragm pump 2 so as to ensure that the slurry in the feeding device is emptied. The screw pump 4 continues to operate at this time, and when the second liquid level meter 12 cannot sense the liquid level signal, the screw pump 4 stops operating.

Optionally, the delay time may be adjusted according to the flow rate of the specific pump body and the signal delay state between the specific pump body and the controller.

Except for the above-mentioned slurry conveying device, the utility model discloses still provide a slurry conveying system including the disclosed slurry conveying device of mixer 1, coating machine 5 and above-mentioned embodiment, mixer 1's bleeder valve is connected in the pan feeding mouth of diaphragm pump 2, and one side runner in U type transfer pipe 3 is connected to the discharge gate of diaphragm pump 2, and the other side runner of U type transfer pipe 3 is connected in the pan feeding mouth of screw pump 4, and the discharge gate of screw pump 4 is connected in coating machine 5 to form the slurry conveying system who is applicable to remote transport thick liquids. The structure of other parts of the slurry conveying system is referred to the prior art, and is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above that the utility model provides a thick liquids conveyor and thick liquids conveying system have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A slurry conveying device is characterized by comprising a diaphragm pump (2), a U-shaped transfer pipe (3) and a screw pump (4); a feeding port of the diaphragm pump (2) is connected with a feeding device, a discharging port of the diaphragm pump (2) is connected with a flow channel on one side of the U-shaped transit pipe (3) which is vertically arranged, and a flow channel on the other side of the U-shaped transit pipe (3) is connected with a feeding port of the screw pump (4); and a connecting pipe (7) for slurry to flow is arranged between runners at two sides of the U-shaped transfer pipe (3).

2. The slurry conveying device according to claim 1, wherein a pressure sensor (6) is arranged on a conveying pipeline between the discharge port of the diaphragm pump (2) and the U-shaped transfer pipe (3), and the diaphragm pump (2) and the pressure sensor (6) are both connected to a controller.

3. The slurry conveying device according to claim 1, wherein the top ends of the flow channels on both sides of the U-shaped transfer pipe (3) are provided with exhalers (10), and each exhaler (10) is provided with a corresponding pneumatic valve (9), and the pneumatic valves (9) are arranged at the lower ends of the exhalers (10).

4. The slurry conveying device according to claim 3, wherein a liquid level meter for sensing the level of the slurry inside the U-shaped transfer pipe (3) is arranged in the U-shaped transfer pipe, and the liquid level meter, the diaphragm pump (2) and the screw pump (4) are connected to a controller.

5. The apparatus for transporting slurry according to claim 4, wherein said level gauges include a first level gauge (11) provided at an upper portion of said U-shaped transit pipe (3) and a second level gauge (12) provided at a lower portion of said U-shaped transit pipe (3).

6. The apparatus for transporting slurry according to claim 5, wherein said first level gauge (11) is provided on a side of said U-shaped transit pipe (3) adjacent to said diaphragm pump (2); the second liquid level meter (12) is arranged on one side, close to the screw pump (4), of the U-shaped transfer pipe (3).

7. The slurry transport apparatus according to any one of claims 1 to 6, wherein the connection pipe (7) in the middle of the U-shaped transit pipe (3) is provided with a control valve (8) for controlling the flow of the slurry.

8. A slurry delivery system, characterized by comprising a stirring machine (1), a coating machine (5) and the slurry delivery apparatus of any one of claims 1 to 7, wherein the stirring machine (1) is connected with a feed inlet of the slurry delivery apparatus for feeding the slurry delivery apparatus, and a discharge outlet of the slurry delivery apparatus is connected with the coating machine (5).