CN113976860A - Full-automatic casting system and method for aluminum electrolysis anode - Google Patents
Full-automatic casting system and method for aluminum electrolysis anode Download PDFInfo
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- CN113976860A CN113976860A CN202111128485.9A CN202111128485A CN113976860A CN 113976860 A CN113976860 A CN 113976860A CN 202111128485 A CN202111128485 A CN 202111128485A CN 113976860 A CN113976860 A CN 113976860A
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- 238000005266 casting Methods 0.000 title claims abstract description 185
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 372
- 229910052742 iron Inorganic materials 0.000 claims abstract description 186
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 86
- 238000003860 storage Methods 0.000 claims abstract description 75
- 230000001502 supplementing effect Effects 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 84
- 239000007788 liquid Substances 0.000 claims description 77
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 69
- 238000001514 detection method Methods 0.000 claims description 63
- 229910052757 nitrogen Inorganic materials 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 7
- 239000013589 supplement Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
- B22D2/003—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the level of the molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/02—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume
Abstract
The invention provides a full-automatic casting system for an aluminum electrolysis anode, which comprises a casting control system and a casting execution system, wherein the automatic casting control system is connected with the casting execution system and controls the casting execution system to operate. The invention also provides a full-automatic casting method of the aluminum electrolysis anode, which comprises the steps of controlling a compressed gas supplementing system to add compressed gas into a molten iron storage area of a casting execution system through a main control device of a casting control system, displacing the volume of molten iron in the molten iron storage area, forcing the molten iron to flow into a molten iron casting area and flow out of a casting nozzle for quantitative casting; the whole device is in a static state in the whole casting process, no moving part is provided, only molten iron is poured into the carbon bowl under the replacement of compressed gas, the molten iron with proper volume is replaced by proper compressed gas, the volume is just the same as the required volume of the carbon bowl to be cast, the full-automatic unattended casting of the electrolytic anode is realized, and the working efficiency and the casting precision are improved.
Description
Technical Field
The invention relates to the field of manufacturing of anodes for electrolytic aluminum, in particular to a full-automatic casting system and a casting method for aluminum electrolysis anodes.
Background
During the assembly of the anode in the electrolytic aluminum production, molten iron is adopted for casting, so that the anode steel claw is tightly combined with the carbon block. The existing anode assembling and casting link mainly comprises two modes of manual casting and mechanical semi-automatic casting. The production process of the artificial casting mode comprises the following steps: placing the anode carbon blocks on a casting frame one by a forklift, manually adjusting levelness and centering, hoisting an anode guide rod by a crown block to enable a steel claw head to be placed in an anode carbon bowl, manually centering and fixing, hoisting a ladle by the crown block to an intermediate frequency furnace to be filled with molten iron, hoisting the ladle to the casting frame, manually rotating a ladle hand wheel, and injecting the molten iron into the carbon bowl one by one for casting. In the operation process, the large and small trolley traveling operation of the crown block is closely matched with the casting operation of the foundry ladle. The labor intensity and the operation proficiency requirement of personnel are higher, the influence of crown block reliability and casting proficiency is caused, the remelting rate of molten iron in the remelting process is higher, and the energy consumption is larger. The production process of the mechanical semi-automatic casting mode comprises the following steps: arranging mechanized anode assembling and casting equipment in a casting area, conveying the carbon block to an engagement station by using conveying equipment to be combined with the steel claw, receiving and conveying molten iron from the intermediate frequency furnace to a casting station by using a casting vehicle, and assembling and casting the anode group by manually adjusting a ladle; in the process, the time for melting iron by the intermediate frequency furnace is closely matched with the operation beat of the casting car, and the requirement on the proficiency of operators of the casting car is high.
No matter manual or semi-automatic casting is adopted, the casting of molten iron is manual operation, the molten steel ladle is driven by a hand wheel, the liquid level of the molten steel in the carbon bowl is visually observed by workers, and the casting speed is greatly influenced by human factors, so that the efficiency is low, and the anode casting becomes a bottle diameter process which limits the anode assembling efficiency. Meanwhile, the temperature of molten iron used for casting is 1100-1650 ℃, the working in the environment for a long time has adverse influence on the health of workers, and safety accidents are easy to happen in the operation process.
Disclosure of Invention
In view of this, the present invention provides a full-automatic casting system and a casting method for an aluminum electrolysis anode, which can realize automation of the whole casting process and greatly improve the efficiency of anode casting.
According to one aspect of the invention, the full-automatic casting system for the aluminum electrolysis anode comprises a casting control system and a casting execution system, wherein the automatic casting control system is connected with the casting execution system and controls the casting execution system to operate, the casting execution system comprises a molten iron storage area, a molten iron casting area and a casting nozzle, the interior of the molten iron storage area is hollow and integrally sealed, the bottom of the molten iron casting area is communicated with the bottom of the molten iron storage area, one end of the casting nozzle is fixedly connected with one side of the molten iron casting area and is communicated with the interior of the molten iron casting area, the casting control system comprises a main control device, a compressed gas supplementing system and a compressed gas discharging system, the compressed gas supplementing system and the compressed gas discharging system are both connected with the upper part of the molten iron storage area, and the compressed gas supplementing system and the compressed gas discharging system are respectively and electrically connected with the main control device.
Furthermore, the full-automatic casting system for the aluminum electrolysis anode adopts compressed gas to drive and control molten iron, controls the casting amount of the molten iron by controlling the supplement amount of the compressed gas, has no moving part, and takes air and nitrogen with pressure as driving media according to different use requirements.
Further, the casting execution system further comprises a storage area liquid level detection device, a temperature detection device and a pressure detection device, wherein the storage area liquid level detection device, the temperature detection device and the pressure detection device are all installed in the molten iron storage area, the storage area liquid level detection device, the temperature detection device and the pressure detection device are respectively electrically connected with the main control device, and the storage area liquid level detection device is used for detecting the molten iron liquid level in the molten iron storage area and transmitting liquid level information to the main control device.
Further, the casting execution system further comprises a feed inlet, one end of the feed inlet is opened, and the other end of the feed inlet is communicated with the molten iron storage area.
Further, the casting execution system further comprises a compressed gas (air, nitrogen and the like) emergency relief device which is arranged at the upper part of the molten iron storage area.
Furthermore, the casting execution system further comprises a carbon bowl molten iron liquid level detection system, the carbon bowl molten iron liquid level detection system is electrically connected with the main control device, and the carbon bowl molten iron liquid level detection system is used for detecting the molten iron liquid level in the carbon bowl and transmitting liquid level information to the main control device.
Further, the molten iron casting area and the casting nozzle are correspondingly arranged into 1, 2, 4 or 8 sets.
According to one aspect of the invention, the full-automatic casting method for the electrolytic anode comprises the following steps:
s1, conveying the anode carbon block to a preset position by a conveying device to enable the casting nozzle to be opposite to the carbon bowl on the anode carbon block;
s2, detecting the liquid level of the molten iron storage area by the storage area liquid level detection device and sending a real-time signal of the molten iron liquid level to the main control device, detecting the molten iron liquid level in the carbon bowl by the carbon bowl molten iron liquid level detection system and sending a real-time signal of the molten iron liquid level to the main control device, detecting the temperature in the molten iron storage area by the temperature detection device and sending a real-time temperature signal to the main control device, detecting the pressure in the molten iron storage area by the pressure detection device and sending a real-time pressure signal to the main control device;
s3, calculating the volume of compressed gas (air, nitrogen and the like) required by molten iron replacement according to the received temperature, pressure and liquid level signals by the main control device;
and S4, sending a control signal to the compressed gas supplementing system by the main control device according to the calculated volume of the compressed gas (air, nitrogen and the like), starting the compressed gas supplementing system, delivering the compressed gas (air, nitrogen and the like) to the upper space in the molten iron storage region to extrude molten iron, and delivering the molten iron to the casting nozzle along the molten iron casting region and flowing into the carbon bowl to be cast.
Further, the full-automatic casting method of the electrolytic anode further comprises the following steps:
and S5, judging whether the liquid level of the molten iron in the carbon bowl reaches a preset value or not by the main control device according to the received real-time liquid level signal of the molten iron sent by the carbon bowl liquid level detection system, calculating the volume of compressed gas (air, nitrogen and the like) required to be supplemented if the liquid level of the molten iron in the carbon bowl does not reach the preset value, controlling the compressed gas supplementing system to continue to operate, sending a stop signal to the compressed gas supplementing system if the liquid level of the molten iron in the carbon bowl reaches the preset value, and stopping the compressed gas supplementing system from conveying the compressed gas (air, nitrogen and the like) to the molten iron storage region.
Furthermore, a liquid level detection device of the storage area adopts a contact type liquid level meter, and a carbon bowl molten iron liquid level detection system adopts image identification distance measurement or high-precision laser distance measurement.
The invention has the beneficial effects that: the main control device of the casting control system controls the compressed gas supplementing system to add compressed gas (air, nitrogen and the like) into a molten iron storage area of the casting execution system, and the volume of the molten iron in the water storage area is replaced by the compressed gas (air, nitrogen and the like) so that the molten iron is forced to flow into the molten iron casting area and flow out of the casting nozzle for quantitative casting. The whole device is in a static state in the whole casting process, no moving part is arranged, and only molten iron is injected into the carbon bowl under the replacement of compressed gas (air, nitrogen and the like). And replacing the molten iron with proper compressed gas (air, nitrogen and the like) to obtain a proper volume which is just the same as the required volume of the required cast carbon bowl. Compressed gas (air, nitrogen and the like) is stored in the same container with the molten iron, is positioned at the upper part of the molten iron and exists in the form of an air bag, and the molten iron is a working medium for casting a carbon bowl and is a sealing medium for forming the air bag. The volume of the compressed gas (air, nitrogen, etc.) for replacing the molten iron is calculated by combining various factors such as the pressure of the compressed gas (air, nitrogen, etc.), the volume of the compressed gas (air, nitrogen, etc.), the temperature of the molten iron, and the level of the molten iron in the charcoal bowl. The full-automatic unattended casting of the electrolytic anode is realized, and the working efficiency and the casting precision are improved.
Drawings
Fig. 1 is a schematic structural diagram of an aluminum electrolysis anode full-automatic casting system according to an embodiment of the present invention.
Detailed Description
Example 1
Fig. 1 schematically shows an aluminum electrolysis anode fully automatic casting system according to an embodiment of the invention.
Referring to fig. 1, the full-automatic casting system for the aluminum electrolysis anode comprises a casting control system A and a casting execution system B, wherein the automatic casting control system A is connected with the casting execution system B and controls the casting execution system B to operate. The control system A and the casting execution system B can be arranged in close proximity or at intervals.
The casting execution system B comprises a molten iron storage area B1, a molten iron casting area B2, a casting nozzle B3, a storage area liquid level detection device B4, a temperature detection device B5, a pressure detection device B6, a charging opening B7, a compressed gas emergency discharge device B8, a carbon bowl molten iron liquid level detection system B9 and a hand wheel rotating mechanism B10.
The casting control system A comprises a main control device A1, a compressed gas supplementing system A2 and a compressed gas discharging system A3, wherein the compressed gas supplementing system A2 and the compressed gas discharging system A3 are respectively and electrically connected with the main control device A1 and controlled by a main control device A1.
The inside of the molten iron storage area B1 is hollow and integrally sealed, the molten iron storage area B1 is used for storing molten iron for casting, the outside of the molten iron storage area B is formed by welding steel plates, and the inside of the molten iron storage area B is lined with heat insulation materials and refractory materials so as to ensure that the temperature of the outer surface of each steel plate does not exceed a set temperature. The bottom of the molten iron casting area B2 is communicated with the bottom of the molten iron storage area B1, the molten iron casting area B2 is used for guiding molten iron to the casting nozzle B3, the exterior of the molten iron casting area B3 is formed by welding steel plates, and the interior of the molten iron casting area B2 is lined with heat insulation materials and refractory materials so as to ensure that the temperature of the outer surface of the steel plates does not exceed the set temperature. The molten iron casting zone B2 is flanged with the molten iron storage zone B1 so as to be lined with insulation and refractory. A square molten iron discharge port B21 is formed in one side, facing the carbon bowl, of the molten iron casting area B2, a casting nozzle B3 is connected with the molten iron discharge port B21, and molten iron can overflow to the casting nozzle B3; an emergency overflow port is formed in the upper portion of the molten iron discharging port B21 and used for guiding molten iron to a special storage area when the liquid level is out of control so as to avoid accidents caused by the out of control of the molten iron.
One end of the charging opening B7 is opened upwards and is higher than the top of the molten iron storage area B1, the other end of the charging opening B7 is communicated with the molten iron storage area B1, and the charging opening B7 is used for guiding the molten iron to be charged into the molten iron storage area B1.
The storage area liquid level detection device B4, the temperature detection device B5 and the pressure detection device B6 are all installed on the upper portion of the molten iron storage area B1, and the storage area liquid level detection device B4, the temperature detection device B5 and the pressure detection device B6 are respectively and electrically connected with the main control device A1. The storage area level detection device B4 may be a contact level gauge, such as a high temperature molten iron level sensor of type IWR 1843. The temperature detection device B5 may use a high-temperature thermocouple for temperature detection. The storage area liquid level detection device B4 is used to detect the molten iron level in the molten iron storage area B1 and transmit the liquid level information to the main control device a 1.
The temperature detecting device B5 is for detecting the temperature of molten iron in the molten iron storage area B1, and the pressure detecting device B6 is for detecting the pressure of compressed gas (air, nitrogen, etc.) in the molten iron storage area B1.
The compressed gas emergency relief device B8 is installed at the upper part of the molten iron storage area B1. The compressed gas emergency relief device B8 is used to discharge the compressed gas (air, nitrogen, etc.) out of the system in time when the compressed gas (air, nitrogen, etc.) exceeds the set pressure, so as to ensure that the pressure of the system is within a safe range.
The carbon bowl molten iron liquid level detection system B9 is electrically connected with the main control device A1, and the carbon bowl molten iron liquid level detection system B9 can adopt image recognition ranging or high-precision laser ranging. The carbon bowl molten iron level detection system B9 is installed above a predetermined casting station of the carbon bowl. The molten iron level detection system B9 is used for detecting the molten iron level in the charcoal bowl and transmitting the level information to the main control device A1.
The hand wheel rotating mechanism B10 is connected with the molten iron storage area B1, and the hand wheel rotating mechanism B10 is used for adjusting the overturning angle of the whole full-automatic casting execution system through rotation.
The main control device a1 may be a PLC or a DCS. The compressed gas replenishing system a2 and the compressed gas discharging system A3 are each connected to the upper portion of the molten iron storage region B1 and communicate with the inside of the molten iron storage region B1. The compressed gas replenishing system a2 introduces an appropriate amount of compressed gas (air, nitrogen, etc.) into the molten iron storage area B1 in accordance with the instruction of the main control apparatus a1, and the compressed gas discharging system A3 leads an appropriate amount of compressed gas (air, nitrogen, etc.) out of the molten iron storage area B1 in accordance with the instruction of the main control apparatus a 1.
The molten iron casting area B2 and the casting nozzles B3 are correspondingly arranged in 1, 2, 4 or 8 sets.
The full-automatic casting system for the aluminum electrolysis anode adopts compressed gas to drive and control molten iron, controls the casting amount of the molten iron by controlling the supplement amount of the compressed gas, has no moving part, and takes air and nitrogen with pressure as driving media according to different use requirements. The whole device is in a static state in the whole casting process, no moving part is provided, only molten iron is injected into the carbon bowl through the guide of the casting nozzle B3 under the replacement of compressed gas (air, nitrogen and the like), the compressed gas (air, nitrogen and the like) with the proper volume obtained through calculation is used for replacing molten iron with the proper volume which just can be the same as the required volume of the carbon bowl to be cast, the compressed gas (air, nitrogen and the like) and the molten iron are stored in the same container, the compressed gas (air, nitrogen and the like) is positioned at the upper part of the molten iron and exists in the form of an air bag, and the molten iron is a working medium for casting the carbon bowl and is also a sealing medium for forming the air bag. The invention realizes full-automatic feeding of molten iron in the anode casting process, realizes automation of the whole casting process, and greatly improves the anode casting efficiency through unattended operation.
Example 2
On the basis of the embodiment 1, the molten iron casting area B2 and the casting nozzle B3 are correspondingly arranged in 1 or 2 sets. The whole position of the casting execution system B is kept still, the position of the anode carbon block is adjusted by the conveying equipment, so that carbon bowls on the carbon block sequentially pass through a casting nozzle B3 of the casting execution system B, and a proper amount of molten iron is injected into the carbon bowls, so that the connection between the carbon block and an anode steel bar meets the design requirement; and after the casting of the single carbon block is finished, conveying the single carbon block from the casting station by conveying equipment, and grabbing and taking down the single carbon block by the conveying equipment to repeat the actions until the work task is finished.
Example 3
On the basis of the embodiment 1, the molten iron casting area B2 and the casting nozzle B3 are correspondingly arranged in 1 or 2 sets. The anode carbon block is conveyed to a casting station by conveying equipment and then keeps the position of the anode carbon block still, the bottom of a casting execution system B is provided with a movable base and a horizontal moving mechanism, the horizontal moving mechanism pushes the movable base to move, a casting nozzle B3 of the casting execution system B sequentially passes through a carbon bowl, and a proper amount of molten iron is injected into the carbon bowl, so that the connection between the carbon block and an anode steel bar meets the design requirement; and after the casting of the single carbon block is finished, conveying the single carbon block from the casting station by conveying equipment, and grabbing and taking down the single carbon block by the conveying equipment to repeat the actions until the work task is finished.
Example 4
On the basis of example 1, the molten iron casting zone B2 and the casting nozzle B3 were provided in 4 sets, respectively. The whole position of the casting execution system B is kept still, the anode carbon block is also kept still after being conveyed to a set position by the conveying equipment, and 4 casting nozzles B3 inject proper amount of molten iron into the corresponding carbon bowls simultaneously under the control of the control system, so that the connection between the carbon block and the anode steel bar meets the design requirement; and after the casting of the single carbon block is finished, conveying the single carbon block from the casting station by conveying equipment, and grabbing and taking down the single carbon block by the conveying equipment to repeat the actions until the work task is finished.
Example 5
On the basis of the embodiment 1, 8 sets of the molten iron casting area B2 and the casting nozzle B3 are correspondingly arranged. The whole position of the casting execution system B is kept still, the anode carbon block is also kept still after being conveyed to a set position by the conveying equipment, and 8 casting nozzles B3 simultaneously inject a proper amount of molten iron into the corresponding carbon bowls under the control of the control system, so that the connection between the carbon block and the anode steel bar meets the design requirement; and after the casting of the single carbon block is finished, conveying the single carbon block from the casting station by conveying equipment, and grabbing and taking down the single carbon block by the conveying equipment to repeat the actions until the work task is finished.
Example 6
An electrolytic anode full-automatic casting method comprises the following steps:
s1, conveying the anode carbon block to a preset position, namely a casting station by conveying equipment, and enabling a casting nozzle B3 to be opposite to a carbon bowl on the anode carbon block;
s2, a storage area liquid level detection device B4 detects the liquid level of a molten iron storage area B1 and sends a real-time signal of the molten iron liquid level to a main control device A1, a charcoal bowl molten iron liquid level detection system B9 detects the molten iron liquid level in a charcoal bowl and sends a real-time signal of the molten iron liquid level to a main control device A1, a temperature detection device B5 detects the temperature in the molten iron storage area B1 and sends a real-time temperature signal to the main control device A1, and a pressure detection device B6 detects the pressure in the molten iron storage area B1 and sends a real-time pressure signal to the main control device A1.
S3, the main control device A1 calculates the volume of compressed gas (air, nitrogen and the like) needed by the molten iron replacement according to the received temperature, pressure and liquid level signals; the volume of the compressed gas (air, nitrogen, etc.) for replacing the molten iron is calculated by the main control device a1 in combination with the pressure of the compressed gas (air, nitrogen, etc.), the volume of the compressed gas (air, nitrogen, etc.), the temperature of the molten iron, the level of the molten iron in the charcoal bowl, and other factors.
S4, the main control device A1 sends a control signal to the compressed gas supplement system A2 according to the calculated volume of the compressed gas (air, nitrogen and the like), the compressed gas supplement system A2 starts and delivers the compressed gas (air, nitrogen and the like) to the upper space in the molten iron storage area B1, the pressure in the molten iron storage area B1 is increased, and the molten iron is pressed to be delivered to the casting nozzle B3 along the molten iron casting area B2 and flows out to a carbon bowl required to be cast.
S5, the main control device A1 judges whether the liquid level of the molten iron in the carbon bowl reaches a preset value according to the received real-time liquid level signal sent by the carbon bowl liquid level detection system B9. If the liquid level of the molten iron in the carbon bowl does not reach the preset value, the volume of the compressed gas (air, nitrogen and the like) needing to be supplemented is calculated, the compressed gas supplementing system A2 is controlled to continue to operate, if the liquid level of the molten iron in the carbon bowl reaches the preset value, a stop signal is sent to the compressed gas supplementing system A2, and the compressed gas supplementing system A2 stops conveying the compressed gas (air, nitrogen and the like) to the molten iron storage area B1.
Detect carbon bowl molten iron liquid level through carbon bowl molten iron liquid level detecting system B9 to calculate the volume of the required compressed gas of casting (air, nitrogen gas etc.) by master control set A1, can carry out accurate control to casting process and casting liquid level, avoided the error that artifical manual operation and visual observation produced, improved the qualification rate of product greatly, improved work efficiency.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the invention.
Claims (10)
1. The utility model provides a full-automatic casting system of aluminium electroloysis anode, characterized in that, includes casting control system (A) and casting actuating system (B), automatic casting control system (A) and casting actuating system (B) are connected and control casting actuating system (B) operation, casting actuating system (B) includes molten iron storage area (B1), molten iron casting district (B2) and casting nozzle (B3), molten iron storage area (B1) is inside to be hollow form and wholly sealed, the bottom of molten iron casting district (B2) and the bottom intercommunication of molten iron storage area (B1), the one end of casting nozzle (B3) and one side fixed connection and the inside intercommunication of molten iron casting district (B2), casting control system (A) includes main control device (A1), compressed gas additional system (A2) and compressed gas discharge system (A3), compressed gas additional system (A2) and compressed gas discharge system (A3) all with the molten iron storage area (B1) go up on The compressed gas supplementing system (A2) and the compressed gas discharging system (A3) are respectively electrically connected with the main control device (A1).
2. The aluminum electrolysis anode full-automatic casting system according to claim 1, wherein the aluminum electrolysis anode full-automatic casting system adopts compressed gas to drive and control molten iron, controls the casting amount of the molten iron by controlling the supplement amount of the compressed gas, has no moving part, and takes air and nitrogen with pressure as driving media according to different use requirements.
3. The aluminum electrolysis anode full-automatic casting system according to claim 1, wherein the casting execution system (B) further comprises a storage area liquid level detection device (B4), a temperature detection device (B5) and a pressure detection device (B6), the storage area liquid level detection device (B4), the temperature detection device (B5) and the pressure detection device (B6) are all installed in the molten iron storage area (B1), the storage area liquid level detection device (B4), the temperature detection device (B5) and the pressure detection device (B6) are respectively and electrically connected with the main control device (A1), and the storage area liquid level detection device (B4) is used for detecting the molten iron liquid level in the molten iron storage area (B1) and transmitting the liquid level information to the main control device (A1).
4. The aluminum electrolysis anode full-automatic casting system according to claim 1, wherein the casting execution system (B) further comprises a charging opening (B7), one end of the charging opening (B7) is open, and the other end of the charging opening (B7) is communicated with a molten iron storage area (B1).
5. The aluminum electrolysis anode full-automatic casting system according to claim 1, wherein the casting execution system (B) further comprises a compressed gas emergency relief device (B8), and the compressed gas emergency relief device (B8) is installed at the upper part of the molten iron storage area (B1).
6. The aluminum electrolysis anode full-automatic casting system according to any one of claims 1 to 5, wherein the casting execution system (B) further comprises a carbon bowl molten iron liquid level detection system (B9), the carbon bowl molten iron liquid level detection system (B9) is electrically connected with the main control device (A1), and the carbon bowl molten iron liquid level detection system (B9) is used for detecting the molten iron liquid level in the carbon bowl and transmitting the liquid level information to the main control device (A1).
7. The aluminum electrolysis anode full-automatic casting system according to claim 1, wherein the molten iron casting area (B2) and the casting nozzle (B3) are arranged in 1, 2, 4 or 8 sets in a one-to-one correspondence manner.
8. A full-automatic casting method of an aluminum electrolysis anode is characterized by comprising the following steps:
s1, conveying the anode carbon block to a preset position by a conveying device to enable a casting nozzle (B3) to be opposite to a carbon bowl on the anode carbon block;
s2, a storage area liquid level detection device (B4) detects the liquid level of a molten iron storage area (B1) and sends a real-time signal of the molten iron liquid level to a main control device (A1), a charcoal bowl molten iron liquid level detection system (B9) detects the molten iron liquid level in a charcoal bowl and sends a real-time signal of the molten iron liquid level to a main control device (A1), a temperature detection device (B5) detects the temperature in the molten iron storage area (B1) and sends a real-time temperature signal to the main control device (A1), and a pressure detection device (B6) detects the pressure in the molten iron storage area (B1) and sends a real-time pressure signal to a main control device (A1);
s3, the main control device (A1) calculates the volume of the compressed gas needed by the molten iron replacement according to the received temperature, pressure and liquid level signals;
s4, the main control device (A1) sends a control signal to the compressed gas supplementing system (A2) according to the calculated volume of the compressed gas, the compressed gas supplementing system (A2) is started and delivers the compressed gas to the upper space in the molten iron storage region (B1) to extrude the molten iron, and the molten iron is delivered to the casting nozzle (B3) along the molten iron casting region (B2) and flows into a carbon bowl to be cast.
9. The full-automatic casting method for the aluminum electrolysis anode according to claim 8, further comprising the following steps:
s5, the main control device (A1) judges whether the molten iron liquid level in the carbon bowl reaches a preset value according to the received molten iron liquid level real-time signal sent by the carbon bowl molten iron liquid level detection system (B9), if the molten iron liquid level in the carbon bowl does not reach the preset value, the main control device calculates the volume of compressed gas to be supplemented and controls the compressed gas supplementing system (A2) to continue to operate, if the molten iron liquid level in the carbon bowl reaches the preset value, a stop signal is sent to the compressed gas supplementing system (A2), and the compressed gas supplementing system (A2) stops sending the compressed gas to the molten iron storage area (B1).
10. The full-automatic casting method of the aluminum electrolysis anode according to claim 8, wherein the storage area liquid level detection device (B4) adopts a contact type liquid level meter, and the carbon bowl molten iron liquid level detection system (B9) adopts image recognition ranging or high-precision laser ranging.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114905036A (en) * | 2022-07-19 | 2022-08-16 | 北京航空航天大学 | Antigravity casting air pressure compensation automatic control system and control method |
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Application publication date: 20220128 |