Upper chute feeding blowing assisting device for electrolytic aluminum tank

Abstract

The utility model discloses an electrolytic aluminum tank upper chute feeding and blowing assisting device, which belongs to the technical field of feeding and blowing assisting and comprises an electrolytic tank upper chute, a blowing assisting component and a pressure monitoring box, a connecting cloth bag is vertically arranged on one side of the upper surface of the electrolytic tank upper chute, and the top of the connecting cloth bag is connected with an on-tank small chute. A pressure monitoring box is installed at the position beside the connecting cloth bag, a blowing assisting assembly is arranged at the end, close to the connecting cloth bag, of the upper chute of the electrolytic bath, and the blowing assisting assembly comprises a blowing assisting pipe, an air source connector and a ball valve. The device has the beneficial effects that the device is connected between the electrolytic cell and an aluminum oxide blanking pipe, the electrolytic cell can be normally fed through the upper chute of the electrolytic cell and the small chute on the cell, and the blowing assisting component is arranged at one end of the upper chute of the electrolytic cell along the length direction, so that the device can be connected with a high-pressure air source for blowing; therefore, blowing assistance is carried out on the aluminum oxide material, the aluminum oxide material can be rapidly fed, and the phenomenon of unsmooth feeding is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding and blowing assistance, in particular to a feeding and blowing assistance device for an upper chute of an electrolytic aluminum tank. Background Art

[0002] During the electrolytic aluminum production process, in order to meet the continuous production of the electrolytic cell, the feeding workshop will regularly transport granular alumina powder to the tank upper box through the chute on the top of the tank. In the transportation process, the chute on the top of the tank is the last link. Due to the long pipeline and many branches, when the alumina powder reaches the electrolytic cell, sometimes there are lumps on the chute, or the air pressure is lost due to the long pipeline, which makes it difficult to add materials from the chute to the material box. The traditional treatment method is to manually disassemble the soft connection bag at the connection port of the top chute and the small chute, and then use the pressurized air in the workshop and the high-pressure air duct for blowing. This method requires disassembling the soft connection back and forth, which is inconvenient and unsafe.

[0003] The prior art lacks a safe and stable feeding and blowing device for the chute of the electrolytic aluminum tank, which is not convenient for rapid blowing of alumina powder and cannot complete rapid feeding, affecting the production efficiency of electrolytic aluminum. In addition, the related feeding and blowing device also lacks a safety warning structure to improve safety and practicality. At the same time, the utility model patent with announcement number CN204022962U discloses an alumina super-dense phase conveying chute device, including a chute, a fan, an air inlet pipe, a material box and an exhaust port. The chute is It is divided into an upper material chamber and a lower air chamber, the material box is connected with the material chamber through a lower material pipe, the air inlet pipe is connected with the air chamber, the exhaust port is arranged on the material chamber, and the exhaust port is covered with a breathable cloth. It is characterized in that: it also includes a pressure regulating pipe, and the pressure regulating pipe is arranged parallel to the chute; the pressure regulating pipe has an air inlet at the proximal end close to the alumina feed port, and the distal end is connected with the air chamber, and a pressure regulating valve is installed in the pressure regulating pipe, which has a complex structure and is not convenient for installation and use in the upper chute of the electrolytic cell, and its practicality and stability need to be improved. Utility Model Content

[0004] In order to overcome the problems that the prior art lacks a safe and stable feeding and blowing device for the upper chute of an electrolytic aluminum tank, it is inconvenient to quickly blow the alumina powder, and it is impossible to complete the rapid feeding, which affects the production efficiency of electrolytic aluminum. The related feeding and blowing device also lacks a safety warning structure to improve safety and practicality. The utility model provides a feeding and blowing device for the upper chute of an electrolytic aluminum tank, comprising an upper chute of an electrolytic tank, a blowing assembly and a pressure monitoring box, a connecting bag is vertically arranged on one side of the upper surface of the upper chute of the electrolytic tank, the top of the connecting bag is connected to a small chute on the tank, a pressure monitoring box is installed at a position beside the connecting bag, a safety warning assembly is installed on the pressure monitoring box, a blowing assembly is arranged at one end of the upper chute of the electrolytic tank close to the connecting bag, the blowing assembly comprises a blowing pipe, an air source connector and a ball valve, the ball valve is installed in the middle of the blowing pipe, and the blowing pipe is installed with an air source connector at one end away from the upper chute of the electrolytic tank.

[0005] The device is connected between the electrolytic cell and the alumina discharge pipe, and normal feeding can be carried out through the upper chute of the electrolytic cell and the small chute on the cell. By providing a blowing-assisting component at one end of the upper chute of the electrolytic cell along the length direction, a high-pressure gas source can be connected for blowing, thereby assisting the blowing of the alumina material and enabling rapid feeding, which greatly improves the practicability of the device. A ball valve is provided on the blowing-assisting pipe for control, which can be opened when feeding is not smooth, greatly reducing the labor intensity of the staff and avoiding the phenomenon of unsmooth feeding.

[0006] Preferably, the end of the upper chute of the electrolytic cell away from the connecting cloth bag is connected to the feed port of the aluminum electrolytic cell, and the end of the small chute on the cell away from the connecting cloth bag is connected to the alumina discharge pipe.

[0007] Preferably, a connecting thread is formed inside the gas source connector, and the gas source connector is externally connected to a high-pressure gas source.

[0008] Preferably, a blocking side cover is installed at one end of the upper chute of the electrolytic cell close to the connecting cloth bag, and a blowing-assisting pipe connected to the upper chute of the electrolytic cell is welded to the middle of the blocking side cover.

[0009] Preferably, the safety warning component includes an alarm and a pressure sensor, the alarm is installed on the top of the pressure monitoring box, the pressure sensor is installed inside the pressure monitoring box, the pressure sensor is electrically connected to the alarm, and the monitoring section of the pressure sensor is arranged on the inner wall of the upper chute of the electrolytic cell.

[0010] By installing a safety warning component on the upper chute of the electrolytic cell, the internal pressure of the upper chute of the electrolytic cell can be monitored. When the pressure is abnormal, an alarm can be sounded through the alarm to facilitate timely processing by the staff, thereby further improving the safety of alumina feeding.

[0011] Preferably, a pressure display is provided on the front of the pressure monitoring box, and the pressure display is connected to the pressure sensor.

[0012] Preferably, a reinforcing sleeve is installed on the outer wall of the blowing-assisting pipe, and a wear-resistant inner tube is installed on the inner wall of the blowing-assisting pipe.

[0013] Preferably, a pneumatic valve is installed on the blowing-assisting pipe at a position beside the ball valve.

[0014] Preferably, the material of the upper chute of the electrolytic cell is stainless steel, and the inner wall of the upper chute of the electrolytic cell is provided with a wear-resistant coating.

[0015] Preferably, the blowing-assisting pipe is made of a galvanized welded pipe, and the ball valve is a DN ball valve.

[0016] By setting a reinforcing sleeve on the surface of the blow-assisting pipe, its service strength can be improved, the pressure-bearing capacity of the pipeline to cope with high-pressure gas can be improved, and it can be made less susceptible to damage. By setting a wear-resistant inner tube inside the blow-assisting pipe, the wear resistance of the inner wall of the pipeline can be improved and the impact of high-pressure gas scouring can be reduced.

[0017] Beneficial effects:

[0018] The beneficial effects produced by adopting the technical solution of the utility model are as follows:

[0019] (1) The device is connected between the electrolytic cell and the alumina feed pipe, and normal feeding can be carried out through the upper chute of the electrolytic cell and the small chute on the cell. By setting a blowing assembly at one end of the upper chute of the electrolytic cell along the length direction, a high-pressure gas source can be connected for blowing, thereby blowing the alumina material and enabling rapid feeding, which greatly improves the practicality of the device. A ball valve is set on the blowing pipe for control, which can be opened when feeding is not smooth, greatly reducing the labor intensity of the staff and avoiding the phenomenon of unsmooth feeding.

[0020] (2) By installing a safety warning component on the upper chute of the electrolytic cell, the internal pressure of the upper chute of the electrolytic cell can be monitored. When the pressure is abnormal, an alarm can be sounded through the alarm, which is convenient for the staff to deal with it in time, further improving the safety of alumina feeding.

[0021] (3) By setting a reinforcing sleeve on the surface of the blow-assisting pipe, its service strength can be improved, and the pressure-bearing capacity of the pipeline to cope with high-pressure gas can be improved, making it less prone to damage. By setting a wear-resistant inner tube inside the blow-assisting pipe, the wear resistance of the inner wall of the pipeline can be improved, and the impact of high-pressure gas scouring can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the upper chute feeding and blowing device of the electrolytic aluminum tank of the utility model;

[0024] Figure 2 It is a schematic diagram of the connection structure of the front side of the feeding and blowing device of the upper chute of the electrolytic aluminum tank of the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of the upper chute feeding and blowing device of the electrolytic aluminum tank of the utility model;

[0026] Figure 4 The utility model is a structural schematic diagram of an upper blowing-assisting pipe of a feeding and blowing-assisting device on an upper chute of an electrolytic aluminum tank.

[0027] In the figure: 1. The upper chute of the electrolytic cell; 2. The small chute on the cell; 3. The connecting bag; 4. The sealing side cover; 5. The auxiliary blowing pipe; 6. The air source connector; 7. The ball valve; 8. The pneumatic valve; 9. The pressure monitoring box; 10. The alarm; 11. The pressure display; 12. The pressure sensor; 13. The wear-resistant coating; 14. The connecting thread; 15. The wear-resistant inner tube; 16. The reinforced casing. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] This embodiment connects the device between the electrolytic cell and the alumina feed pipe, and can be normally fed through the upper chute of the electrolytic cell and the small chute on the cell. By setting a blowing component at one end of the upper chute of the electrolytic cell along the length direction, a high-pressure gas source can be connected for blowing, thereby blowing the alumina material and allowing it to be fed quickly, avoiding the problem of unsmooth feeding, and greatly improving the practicality of the device. The specific implementation is as follows:

[0030] like Figures 1 to 4 As shown, a feeding and blowing device for the upper chute of an electrolytic aluminum tank comprises an upper chute 1 of an electrolytic tank, a blowing assembly and a pressure monitoring box 9. A connecting cloth bag 3 is vertically arranged on one side of the upper surface of the upper chute 1 of the electrolytic tank, and the top of the connecting cloth bag 3 is connected to a small chute 2 on the tank. A pressure monitoring box 9 is installed at a position beside the connecting cloth bag 3, and a safety warning assembly is installed on the pressure monitoring box 9. An blowing assembly is arranged at one end of the upper chute 1 of the electrolytic tank close to the connecting cloth bag 3, and the blowing assembly comprises an blowing pipe 5, an air source connector 6 and a ball valve 7. The ball valve 7 is installed in the middle of the blowing pipe 5, and an air source connector 6 is installed at one end of the blowing pipe 5 away from the upper chute 1 of the electrolytic tank. The device is connected between the electrolytic cell and the alumina discharge pipe, and the electrolytic cell can be normally fed through the upper chute 1 of the electrolytic cell and the small chute 2 on the cell. By arranging a blowing assembly at one end of the upper chute 1 of the electrolytic cell along the length direction, a high-pressure gas source can be connected for blowing, thereby assisting the blowing of the alumina material from the small chute 2 on the cell, and enabling the electrolytic cell to be quickly fed from the upper chute 1 of the electrolytic cell, thereby greatly improving the practicability of the device. A ball valve 7 is arranged on the blowing pipe 5 for control, and can be opened when the feeding is not smooth, thereby greatly reducing the labor intensity of the staff and avoiding the phenomenon of unsmooth feeding.

[0031] The end of the upper chute 1 of the electrolytic cell away from the connection bag 3 is connected to the feed port of the aluminum electrolytic cell, and the end of the small chute 2 on the trough away from the connection bag 3 is connected to the alumina discharge pipe. The alumina material enters the electrolytic cell along the small chute 2 on the trough, the connection bag 3 and the upper chute 1 of the electrolytic cell in sequence, and the feeding rate can be increased under the action of the blowing assist component of the upper chute 1 of the electrolytic cell.

[0032] A connecting thread 14 is formed inside the gas source connector 6, and the gas source connector 6 is externally connected to a high-pressure gas source. The connecting thread 14 can improve the tightness of the gas source connector 6 and the external high-pressure gas source connection pipeline.

[0033] A blocking side cover 4 is installed near one end of the upper chute 1 of the electrolytic cell connected to the cloth bag 3, and a blowing-assisting pipe 5 connected to the upper chute 1 of the electrolytic cell is welded in the middle of the blocking side cover 4. The blowing-assisting pipe 5 is connected to the upper chute 1 of the electrolytic cell, which can facilitate the injection of high-pressure gas and blowing of the alumina material to form an assisting force.

[0034] The safety warning component includes an alarm 10 and a pressure sensor 12. The alarm 10 is installed on the top of the pressure monitoring box 9. The pressure sensor 12 is installed inside the pressure monitoring box 9. The pressure sensor 12 is electrically connected to the alarm 10. The monitoring section of the pressure sensor 12 is set on the inner wall of the upper chute 1 of the electrolytic cell. Through the safety warning component set on the upper chute 1 of the electrolytic cell, the internal pressure of the upper chute 1 of the electrolytic cell can be monitored through the pressure sensor 12. In the case of abnormal pressure, an alarm can be issued through the alarm 10, which is convenient for the staff to handle in time, and further improves the safety of alumina feeding.

[0035] A pressure display 11 is provided on the front of the pressure monitoring box 9, and the pressure display 11 is connected to the pressure sensor 12. Through the display 11, the staff can check the internal pressure data of the upper chute 1 of the electrolytic cell, thereby facilitating the management and control of the staff.

[0036] The outer wall of the blowing-assisting pipe 5 is installed with a reinforcing sleeve 16, and the inner wall of the blowing-assisting pipe 5 is installed with a wear-resistant inner tube 15. By arranging the reinforcing sleeve 16 on the surface of the blowing-assisting pipe 5, its use strength can be improved, and the pressure-bearing capacity of the pipeline to cope with high-pressure gas can be improved, making it less likely to be damaged. By arranging the wear-resistant inner tube 15 inside the blowing-assisting pipe 5, the wear resistance of the inner wall of the pipeline can be improved, and the impact of high-pressure gas scouring can be reduced.

[0037] A pneumatic valve 8 is installed on the blowing-assisting pipe 5 at a position beside the ball valve 7 , and the pneumatic valve 8 can be used as a spare valve of the blowing-assisting pipe 5 .

[0038] The material of the upper chute 1 of the electrolytic cell is stainless steel, and the inner wall of the upper chute 1 of the electrolytic cell is provided with a wear-resistant coating 13. The wear-resistant coating 13 can improve the wear resistance of the inner wall of the upper chute 1 of the electrolytic cell.

[0039] The material of the blow-assisting pipe 5 is a galvanized welded pipe, and the ball valve 7 is a DN25 ball valve.

[0040] Working principle: The device is connected between the electrolytic cell and the alumina feed pipe, and normal feeding can be carried out through the upper chute of the electrolytic cell and the small chute on the cell. By setting a blowing component at one end of the upper chute of the electrolytic cell along the length direction, the gas source connector can be connected to the high-pressure gas source and the blowing pipe can be connected to the upper chute of the electrolytic cell to blow the alumina material, and the feeding can be carried out quickly, which greatly improves the practicality of the device. The blowing pipe is equipped with a ball valve and a pneumatic valve for control, which can be opened when the feeding is not smooth, which greatly reduces the labor intensity of the staff and avoids the problem of unsmooth feeding. For example, by installing a safety warning component on the upper chute of the electrolytic cell, the internal pressure of the upper chute of the electrolytic cell can be monitored through a pressure sensor, and an alarm can be sounded through an alarm under abnormal pressure conditions, which is convenient for staff to deal with in time, further improving the safety of alumina feeding. By installing a reinforced casing on the surface of the blow-assist pipe, its usage strength can be improved, and the pressure-bearing capacity of the pipeline to cope with high-pressure gas can be improved, making it less likely to be damaged. By installing a wear-resistant inner tube inside the blow-assist pipe, the wear resistance of the inner wall of the pipeline can be improved, and the impact of high-pressure gas scouring can be reduced.

[0041] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A feeding and blowing device for the upper chute of an electrolytic aluminum tank, characterized in that: The invention comprises an upper chute (1) of an electrolytic cell, an auxiliary blowing component and a pressure monitoring box (9), wherein a connecting bag (3) is vertically arranged on one side of the upper surface of the upper chute (1) of the electrolytic cell, the top of the connecting bag (3) is connected to a small chute (2) on the trough, a pressure monitoring box (9) is installed at a position beside the connecting bag (3), and a safety warning component is installed on the pressure monitoring box (9), and an auxiliary blowing component is arranged at one end of the upper chute (1) of the electrolytic cell close to the connecting bag (3), and the auxiliary blowing component comprises an auxiliary blowing pipe (5), an air source connector (6) and a ball valve (7), and the ball valve (7) is installed in the middle of the auxiliary blowing pipe (5), and an air source connector (6) is installed at one end of the auxiliary blowing pipe (5) away from the upper chute (1) of the electrolytic cell.

2. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: The end of the upper chute (1) of the electrolytic cell away from the connecting bag (3) is connected to the feed port of the aluminum electrolytic cell, and the end of the small chute (2) on the cell away from the connecting bag (3) is connected to the alumina discharge pipe.

3. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: A connecting thread (14) is formed inside the gas source connector (6), and the gas source connector (6) is externally connected to a high-pressure gas source.

4. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: A blocking side cover (4) is installed at one end of the upper chute (1) of the electrolytic cell close to the connecting cloth bag (3), and a blowing-assisting pipe (5) connected to the upper chute (1) of the electrolytic cell is welded to the middle of the blocking side cover (4).

5. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: The safety warning component comprises an alarm (10) and a pressure sensor (12); the alarm (10) is installed on the top of a pressure monitoring box (9); a pressure sensor (12) is installed inside the pressure monitoring box (9); the pressure sensor (12) is electrically connected to the alarm (10); and a monitoring section of the pressure sensor (12) is arranged on the inner wall of the upper chute (1) of the electrolytic cell.

6. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 5, characterized in that: A pressure display (11) is provided on the front of the pressure monitoring box (9), and the pressure display (11) is connected to the pressure sensor (12).

7. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: The outer wall of the blowing-assisting pipe (5) is installed with a reinforcing sleeve (16), and the inner wall of the blowing-assisting pipe (5) is installed with a wear-resistant inner pipe (15).

8. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: A pneumatic valve (8) is installed on the blowing-assisting pipe (5) at a position beside the ball valve (7).

9. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: The material of the upper chute (1) of the electrolytic cell is stainless steel, and the inner wall of the upper chute (1) of the electrolytic cell is provided with a wear-resistant coating (13).

10. The device for feeding and blowing the upper chute of an electrolytic aluminum tank according to claim 1, characterized in that: The material of the blowing-assisting pipe (5) is a galvanized welded pipe, and the ball valve (7) is a DN25 ball valve.

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