Hydraulic semi-continuous casting machine water supply system

Abstract

The application discloses a kind of hydraulic semi-continuous casting machine water supply system, including storage tank, controller, cold water tank and pipeline, the emergency water is stored in the cold water tank, and pipeline one end is fixed in the side of cold water tank and with cold water tank inner cavity communication, the liquid level monitoring component is arranged in the cold water tank, pneumatic valve is installed on the pipeline, the liquid argon is stored in the storage tank.This hydraulic semi-continuous casting machine water supply system, adopt argon as driving gas, when external power supply is normal, through the refrigeration device set to make argon liquid storage, when external power supply stops, under the action of temperature difference, liquid argon is gasified into argon to drive pneumatic valve to open, ensure that emergency water is effectively transported in pipeline, simultaneously, through the liquid level detection component set to detect the water level of emergency water in water tower, when water level is lower than the set target, send alarm to the outside, avoid the occurrence of emergency water not enough.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of emergency water system, in particular to a hydraulic semi-continuous casting machine water supply system. BACKGROUND

[0002] In the production process of the hydraulic semi-continuous casting machine in the aluminum processing plant, if the circulating water pump is powered off, the circulating water pipeline bursts, etc., the circulating water cannot be normally supplied, and the high-temperature aluminum liquid in the processing process will damage the crystallizer of the casting machine. Therefore, when the circulating water cannot be normally supplied, emergency water needs to be supplied to cool the crystallizer to prevent the crystallizer from being damaged.

[0003] At present, the pipeline is often used to transport emergency water. In order to facilitate the management of emergency water, a pneumatic valve is usually installed on the pipeline. However, compressed air is often used to drive the pneumatic valve to work in the transmission process. After a power failure occurs, the compressed air in the air compression station cannot be effectively supplied, so that the pneumatic valve cannot be opened, thereby the emergency water cannot be effectively transported.

[0004] In addition, a water tower for storing emergency water is also provided in the emergency water system. However, when the water level of the emergency water does not meet the standard, it is not convenient to send an external signal before the casting machine works, and the situation that the emergency water is not enough will occur during the casting process. After the emergency water is released, the high-temperature aluminum liquid will still damage the crystallizer of the casting machine. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the defects of the prior art and provide a hydraulic semi-continuous casting machine water supply system. Argon gas is used as the driving gas. When the external power supply is normal, the argon gas is stored in a liquid state by the refrigeration device. When the external power supply is stopped, the liquid argon is gasified into argon gas to drive the pneumatic valve to open under the action of temperature difference, so as to ensure that the emergency water is effectively transported in the pipeline. At the same time, the liquid level detection assembly is arranged to detect the water level of the emergency water in the water tower. When the water level is lower than the set target, an alarm is sent externally to avoid the situation that the emergency water is not enough. The problems in the background art can be effectively solved.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a hydraulic semi-continuous casting machine water supply system, comprising a storage tank, a controller, a cold water tank and a pipeline, the cold water tank stores emergency water, and one end of the pipeline is fixed on the side of the cold water tank and communicates with the inner cavity of the cold water tank, a liquid level monitoring assembly is arranged in the cold water tank, a pneumatic valve is installed on the pipeline, liquid argon is stored in the storage tank, and a refrigeration assembly is arranged near the position of the storage tank, the refrigeration assembly, the control switch corresponding to the refrigeration assembly in the controller and the external power supply are connected in series to form a working circuit of the refrigeration assembly, a gas guide pipe communicating with the inner cavity of the storage tank is fixed on the side of the storage tank, and one end of the gas guide pipe away from the storage tank is fixed at the air inlet of the pneumatic valve.

[0007] As a preferred technical scheme of the present application, the storage tank is arranged in the heat preservation box, the refrigeration assembly comprises a refrigerating machine mounted on the side of the heat preservation box, and the cold air discharge port of the refrigerating machine is located in the heat preservation box; a temperature detection sensor is mounted on the side of the heat preservation box, and the detection end of the temperature detection sensor is attached to the side of the storage tank; the temperature detection sensor, a control switch corresponding to the temperature detection sensor in the controller and an external power source are connected in series to form a working circuit of the temperature detection sensor.

[0008] As a preferred technical scheme of the present application, the heat preservation box is provided with an opening on the side, a sealing plate is slidably arranged on the side of the heat preservation box to seal the opening, and a positioning frame is fixed on the side of the heat preservation box to guide the sliding of the sealing plate; an elastic member is mounted on the side of the positioning frame; an electromagnet is arranged on the side of the heat preservation box; when the electromagnet is powered on, a magnetic force is generated to attract and seal the sealing plate to the opening; when the sealing plate seals the opening, the elastic member is in a compressed state; the electromagnet, a control switch corresponding to the electromagnet in the controller and an external power source are connected in series to form a working circuit of the electromagnet.

[0009] As a preferred technical scheme of the present application, an electromagnetic valve matched with the pneumatic valve is mounted on the pipeline, and the electromagnetic valve is fixedly mounted on the fixed plate; a storage battery is mounted on the side of the fixed plate, and the storage battery is used to supply power to the electromagnetic valve in case of power failure.

[0010] As a preferred technical scheme of the present application, the liquid level monitoring assembly comprises a liquid level detection switch arranged in the cold water tank; the liquid level detection switch, a control switch corresponding to the liquid level detection switch in the controller and an external power source are connected in series to form a working circuit of the liquid level detection switch.

[0011] As a preferred technical scheme of the present application, the liquid level detection switch is mounted on the moving frame; an adjusting rod is rotatably arranged in the cold water tank; a thread is formed on the side of the adjusting rod; the moving frame is mounted on the adjusting rod through the thread; a fixed rod for positioning and guiding the moving frame is fixed in the cold water tank; a distance detection sensor is mounted on the top of the inner cavity of the cold water tank corresponding to the position of the moving frame; the distance detection sensor, a control switch corresponding to the distance detection sensor in the controller and an external power source are connected in series to form a working circuit of the distance detection sensor.

[0012] As a preferred technical scheme of the present application, a hot water tank is further arranged; a heating assembly is mounted on the side of the hot water tank, and a heating end of the heating assembly is located in the hot water tank; a pump body for circulating water flow is arranged between the hot water tank and the cold water tank; the heating assembly, a control switch corresponding to the heating assembly in the controller and an external power source are connected in series to form a working circuit of the heating assembly; the pump body, a control switch corresponding to the pump body in the controller and an external power source are connected in series to form a working circuit of the pump body.

[0013] As a preferred embodiment of the present invention, a valve bracket is provided at the end of the pipeline away from the cold water tank, and a pressure measuring instrument is installed at the position of the pipeline near the valve bracket. The pressure measuring instrument, the control switch corresponding to the pressure measuring instrument in the controller, and the external power supply are connected in series to form the working circuit of the pressure measuring instrument.

[0014] As a preferred embodiment of the present invention, a one-way valve is installed on the pipeline near the cold water tank, and a valve for maintenance is also installed on the pipeline.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The hydraulic semi-continuous casting machine water supply system of this invention uses argon as the driving gas. When the external power supply is normal, the argon is stored in a liquid state through the set refrigeration device. When the external power supply is stopped, the liquid argon is vaporized into argon under the action of temperature difference to drive the pneumatic valve to open, ensuring that the emergency water is effectively transported in the pipeline. At the same time, the water level of the emergency water in the water tower is detected by the set liquid level detection component. When the water level is lower than the set target, an alarm is issued to prevent the occurrence of insufficient emergency water.

[0017] 2. In the hydraulic semi-continuous casting machine water supply system of this invention, when the external power supply is disconnected, the refrigeration unit stops working and the electromagnet stops working. After the electromagnet is de-energized, the magnetic force disappears, and the compressed elastic element is driven by its own elastic force to move the sealing plate and open the opening, accelerating the overflow of cold air from the heat preservation box. When the temperature inside the heat preservation box is lower than the storage temperature of liquid argon, under the action of the temperature difference, the liquid argon is vaporized into argon gas and enters the pneumatic valve through the gas guide pipe. The pneumatic valve opens under the action of argon gas, and the pipeline transports the emergency water stored in the cold water tank to the valve frame for cooling the crystallizer.

[0018] 3. In the hydraulic semi-continuous casting machine water supply system of this invention, when the power supply is normal, the chiller is in an effective working state. Under the cooling effect of the chiller, the temperature inside the insulation box decreases, and correspondingly, the temperature inside the storage tank is lower, which is conducive to the storage of liquid argon. The temperature detection sensor measures the temperature of the storage tank and feeds the detection result back to the controller. When the temperature of the storage tank meets the storage temperature of liquid argon, the controller controls the chiller to stop working. Under the insulation effect of the insulation box, the cold air can be stored in the insulation box for a longer period of time, reducing the usage time of the chiller and saving energy. When the temperature detection sensor detects that the temperature of the storage tank will be higher than the storage temperature of liquid argon, the controller controls the chiller to continue working to cool, which is conducive to the long-term storage of liquid argon.

[0019] 4. In the hydraulic semi-continuous casting machine water supply system of this invention, under normal power supply, before the casting machine is started, the liquid level detection switch detects the water level of the emergency water stored in the cold water tank. When the water level in the cold water tank is low or does not meet the standard, the casting machine cannot be started until emergency water is added to the cold water tank to meet the standard, ensuring that enough emergency water is stored for cooling the crystallizer and preventing damage to the crystallizer due to insufficient emergency water during the casting machine operation. The height of the moving frame can be adjusted by rotating the adjusting rod to meet the emergency water content required for the casting machine to operate under different conditions. During the height adjustment of the moving frame, the fixed rod limits and guides it to ensure that the moving frame is effectively driven when the adjusting rod rotates. The distance detection sensor is set to measure the height after the liquid level detection switch is adjusted, which facilitates the detection of the height position of the liquid level detection switch.

[0020] 5. In the hydraulic semi-continuous casting machine water supply system of this invention, when the emergency water system is used in a relatively cold environment, the controller controls the heating component to heat the emergency water stored in the hot water tank. Then, the controller controls the pump to circulate the emergency water between the cold water tank and the hot water tank, thereby achieving overall heating of the emergency water and preventing the emergency water from freezing due to low temperature and being unable to be discharged normally. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of the present invention from another perspective;

[0023] Figure 3 This is a front view structural diagram of the present invention;

[0024] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0025] Figure 5 This is a schematic diagram of the cold water tank and hot water tank in this invention;

[0026] Figure 6 This is a cross-sectional view of the cold water tank in this invention.

[0027] Figure 7 This is a schematic diagram of the structure of the solenoid valve in this invention;

[0028] Figure 8 This is a schematic diagram of the pneumatic valve and the insulation box in this invention;

[0029] Figure 9 This is a schematic diagram of the structure of the insulated box in this invention;

[0030] Figure 10This is a front view of the insulation box in this invention.

[0031] In the diagram: 1. Pipeline, 2. Pneumatic valve, 3. Solenoid valve, 31. Fixing plate, 32. Battery, 4. Insulation box, 41. Storage tank, 42. Air duct, 43. Refrigeration unit, 44. Sealing plate, 45. Positioning frame, 46. Elastic element, 47. Electromagnet, 48. Temperature sensor, 5. Controller, 6. Cold water tank, 61. Fixing rod, 62. Adjusting rod, 63. Moving frame, 64. Liquid level detection switch, 65. Distance detection sensor, 7. Hot water tank, 71. Heating component, 72. Pump body, 8. Check valve, 9. Valve, 10. Valve holder, 11. Pressure measuring instrument. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see Figures 1-10 The present invention provides a technical solution: a water supply system for a hydraulic semi-continuous casting machine, including a storage tank 41, a controller 5, a cold water tank 6, and a pipe 1. The cold water tank 6 stores emergency water, and one end of the pipe 1 is fixed to the side of the cold water tank 6 and communicates with the inner cavity of the cold water tank 6. The emergency water stored in the cold water tank 6 is discharged through the pipe 1 and used for cooling the crystallizer. A liquid level monitoring component is installed in the cold water tank 6 to detect the liquid level of the emergency water in the cold water tank 6. When the emergency water level is low or the emergency water storage is insufficient, the casting machine cannot be started.

[0034] A pneumatic valve 2 is installed on pipeline 1. Liquid argon is stored in storage tank 41, and a refrigeration component is installed near storage tank 41. The refrigeration component, the control switch corresponding to the refrigeration component in controller 5, and the external power supply are connected in series to form the working circuit of the refrigeration component. When the external power supply is normal, the refrigeration component is used to cool storage tank 41 to prevent liquid argon from vaporizing. A gas guide pipe 42 connected to the inner cavity of storage tank 41 is fixed on the side. The end of the gas guide pipe 42 away from storage tank 41 is fixed at the air inlet of pneumatic valve 2. When the external power supply is abnormal, the refrigeration component is de-energized and stops working. Under the action of temperature difference, liquid argon vaporizes into argon gas, and the argon gas enters pneumatic valve 2 through gas guide pipe 42 and controls pneumatic valve 2 to open, ensuring the delivery of emergency water. When the external power supply is normal, but the commonly used circulating water pipe bursts, causing circulating water to be unable to be delivered for cooling the crystallizer, the pneumatic valve 2 can be opened by controller 5 to allow pipeline 1 to deliver emergency water.

[0035] Storage tank 41 is placed inside insulation box 4. Insulation box 4 is made of insulation material, including but not limited to ceramic insulation material, adhesive powder polystyrene particles, etc. The refrigeration component includes a refrigeration unit 43 installed on the side of insulation box 4, and the cold air exhaust port of refrigeration unit 43 is located inside insulation box 4. Temperature detection sensor 48 is installed on the side of insulation box 4. The detection end of temperature detection sensor 48 is in contact with the side of storage tank 41. Temperature detection sensor 48, control switch in controller 5 corresponding to temperature detection sensor 48 and external power supply are connected in series to form the working circuit of temperature detection sensor 48.

[0036] When the power supply is normal, the refrigerator 43 is in an effective working state. Under the cooling effect of the refrigerator 43, the temperature inside the insulation box 4 decreases, and correspondingly, the temperature inside the storage tank 41 is lower, which is conducive to the storage of liquid argon. The temperature detection sensor 48 measures the temperature of the storage tank 41 and feeds back the detection result to the controller 5. When the temperature of the storage tank 41 meets the storage temperature of liquid argon, the controller 5 controls the refrigerator 43 to stop working. Under the insulation effect of the insulation box 4, the cold air can be stored in the insulation box 4 for a longer period of time, reducing the usage time of the refrigerator 43 and saving energy. When the temperature detection sensor 48 detects that the temperature of the storage tank 41 will be higher than the storage temperature of liquid argon, the controller 5 controls the refrigerator 43 to continue working to cool, which is conducive to the long-term storage of liquid argon.

[0037] The insulated box 4 has an opening on its side. A sealing plate 44 is slidably installed on the side of the insulated box 4 to seal the opening. A positioning frame 45 is fixed on the side of the insulated box 4 to guide the sliding of the sealing plate 44. An elastic element 46 is installed on the side of the positioning frame 45. The elastic element 46 includes, but is not limited to, a spring or an elastic telescopic rod. An electromagnet 47 is installed on the side of the insulated box 4. When the electromagnet 47 is energized, it generates magnetic force and attracts the sealing plate 44 to seal the opening. When the sealing plate 44 seals the opening, the elastic element 46 is in a compressed state. The electromagnet 47, the control switch corresponding to the electromagnet 47 in the controller 5, and the external power supply are connected in series to form the working circuit of the electromagnet 47.

[0038] When the power supply is normal, the electromagnet 47 is energized and generates magnetic force, which attracts the sealing plate 44 to move to the opening and seal the opening, ensuring the heat preservation effect of the heat preservation box 4. When the external power supply is disconnected, the electromagnet 47 is de-energized and stops working. After the electromagnet 47 is de-energized, the magnetic force disappears, and the compressed elastic element 46 is driven by its own elastic force to move the sealing plate 44 and open the opening, accelerating the escape of cold air from the heat preservation box 4. When the temperature inside the heat preservation box 4 is lower than the storage temperature of liquid argon, under the action of temperature difference, the liquid argon is vaporized into argon gas and enters the pneumatic valve 2 through the gas guide pipe 42. The pneumatic valve 2 is opened under the action of argon gas, and the pipeline 1 supplies emergency water for cooling the crystallizer.

[0039] A solenoid valve 3, which is used in conjunction with the pneumatic valve 2, is installed on the pipeline 1. The solenoid valve 3 is fixedly installed on the fixing plate 31. A storage battery 32 is installed on the side of the fixing plate 31. The storage battery 32 is used to supply power to the solenoid valve 3 in the event of a power failure, so as to facilitate the opening and closing and adjustment of the solenoid valve 3 in the event of a power failure, and to ensure the effective delivery of emergency water.

[0040] The liquid level monitoring component includes a liquid level detection switch 64 installed in the cold water tank 6. The liquid level detection switch 64, the control switch corresponding to the liquid level detection switch 64 in the controller 5, and the external power supply are connected in series to form the working circuit of the liquid level detection switch 64. Before the casting machine is turned on, the liquid level detection switch 64 detects the water level of the emergency water stored in the cold water tank 6. When the water level in the cold water tank 6 is low or does not meet the standard, the casting machine cannot be turned on until emergency water is added to the cold water tank 6 to meet the standard, ensuring that enough emergency water is stored for cooling the crystallizer and preventing damage to the crystallizer due to insufficient emergency water during the casting machine operation.

[0041] A liquid level detection switch 64 is mounted on a movable frame 63. An adjusting rod 62 is rotatably mounted inside the cold water tank 6. The adjusting rod 62 has threads on its side. The movable frame 63 is mounted on the adjusting rod 62 by the threads. A fixing rod 61 is fixed inside the cold water tank 6 to guide the positioning of the movable frame 63. A distance detection sensor 65 is installed at the top of the inner cavity of the cold water tank 6 at the position corresponding to the movable frame 63. The distance detection sensor 65, the control switch in the controller 5 corresponding to the distance detection sensor 65, and the external power supply are connected in series to form the working circuit of the distance detection sensor 65.

[0042] The height of the movable frame 63 can be adjusted by rotating the adjusting rod 62 to meet the emergency water content required for the casting machine to operate under different conditions. During the height adjustment of the movable frame 63, the fixed rod 61 limits and guides it to ensure that the movable frame 63 can be effectively driven to move when the adjusting rod 62 rotates. The distance detection sensor 65 is set to measure the height of the liquid level detection switch 64 after adjustment, so as to facilitate the detection of the height position of the liquid level detection switch 64.

[0043] A hot water tank 7 is also provided, and a heating element 71 is installed on the side of the hot water tank 7. The heating element 71 includes, but is not limited to, an electric heating plate or an electric heating wire, and the heating end of the heating element 71 is located inside the hot water tank 7. A pump body 72 for circulating water is installed between the hot water tank 7 and the cold water tank 6. The heating element 71, the control switch corresponding to the heating element 71 in the controller 5, and the external power supply are connected in series to form the working circuit of the heating element 71. The pump body 72, the control switch corresponding to the pump body 72 in the controller 5, and the external power supply are connected in series to form the working circuit of the pump body 72. When this emergency water system is used in a relatively cold environment, the controller 5 controls the heating element 71 to heat the emergency water stored in the hot water tank 7. Then, the controller 5 controls the pump body 72 to circulate the emergency water between the cold water tank 6 and the hot water tank 7, thereby achieving overall heating of the emergency water and preventing the emergency water from freezing due to low temperature and being unable to be discharged normally.

[0044] A valve holder 10 is installed at the end of pipe 1 away from the cold water tank 6. Emergency water is transported to the casting machine through the valve holder 10 for cooling the crystallizer. A pressure measuring instrument 11 is installed on pipe 1 near the valve holder 10. The pressure measuring instrument 11, the control switch corresponding to the pressure measuring instrument 11 in the controller 5, and the external power supply are connected in series to form the working circuit of the pressure measuring instrument 11. Before the emergency water enters the valve holder 10, the pressure measuring instrument 11 detects the pressure of the emergency water in pipe 1. If the emergency water pressure does not meet the standard, the controller 5 adjusts the pressure of the emergency water by adjusting the pneumatic valve 2 and the solenoid valve 3 to facilitate the supply and delivery of emergency water.

[0045] A one-way valve 8 is installed on pipe 1 near the cold water tank 6. The one-way valve 8 prevents emergency water from flowing back into the cold water tank 6. A valve 9 for maintenance is also installed on pipe 1. During the maintenance of this emergency water system, the emergency water in pipe 1 can be blocked by adjusting valve 9, which facilitates the maintenance of this emergency water system.

[0046] When using:

[0047] When external power supply is disconnected:

[0048] When the refrigeration unit 43 is de-energized and stops working, the electromagnet 47 is also de-energized and stops working. After the electromagnet 47 is de-energized, the magnetic force disappears, and the compressed elastic element 46 is driven by its own elastic force to move the sealing plate 44, causing the opening to open and accelerating the escape of cold air from the insulation box 4. When the temperature inside the insulation box 4 is lower than the storage temperature of liquid argon, under the action of temperature difference, the liquid argon is vaporized into argon gas and enters the pneumatic valve 2 through the gas guide pipe 42. The pneumatic valve 2 opens under the action of argon gas, and the pipeline 1 transports the emergency water stored in the cold water tank 6 to the valve rack 10 for cooling the crystallizer.

[0049] Meanwhile, the solenoid valve 3 is powered by the battery 32, which facilitates the opening and closing of the solenoid valve 3 and ensures the effective delivery of emergency water.

[0050] Under normal power supply:

[0051] When the refrigeration unit 43 is in an effective working state, the temperature inside the insulation box 4 decreases due to the cooling effect of the refrigeration unit 43. Consequently, the temperature inside the storage tank 41 is lower, which facilitates the storage of liquid argon. The temperature detection sensor 48 measures the temperature of the storage tank 41 and feeds the detection result back to the controller 5. When the temperature of the storage tank 41 meets the storage temperature of liquid argon, the controller 5 controls the refrigeration unit 43 to stop working. Under the insulation effect of the insulation box 4, the cold air can be stored in the insulation box 4 for a longer period of time, reducing the usage time of the refrigeration unit 43 and saving energy. When the temperature detection sensor 48 detects that the temperature of the storage tank 41 will be higher than the storage temperature of liquid argon, the controller 5 controls the refrigeration unit 43 to continue working to cool, which facilitates the long-term storage of liquid argon.

[0052] When the electromagnet 47 is energized, it generates magnetic force, which attracts the sealing plate 44 to move to the opening and seal the opening, thus ensuring the heat preservation effect of the heat preservation box 4.

[0053] The controller 5 controls the pneumatic valve 2 and solenoid valve 3 to be in the open state. The emergency water in the cold water tank 6 enters the valve frame 10 through the pipe 1, and is then transported to the position of the crystallizer of the casting machine for cooling. Before the emergency water enters the valve frame 10, the pressure measuring instrument 11 detects the pressure of the emergency water in the pipe 1. If the emergency water pressure does not meet the standard, the controller 5 adjusts the pressure of the emergency water by adjusting the pneumatic valve 2 and solenoid valve 3 to facilitate the supply and delivery of emergency water.

[0054] Before the casting machine is turned on, the liquid level detection switch 64 detects the water level of the emergency water stored in the cold water tank 6. When the water level in the cold water tank 6 is low or does not meet the standard, the casting machine cannot be turned on until emergency water is added to the cold water tank 6 to meet the standard, ensuring that enough emergency water is stored for cooling the crystallizer and preventing damage to the crystallizer due to insufficient emergency water during the casting machine operation.

[0055] The height of the movable frame 63 can be adjusted by rotating the adjusting rod 62 to meet the emergency water content required for the casting machine to operate under different conditions. During the height adjustment of the movable frame 63, the fixed rod 61 limits and guides it to ensure that the movable frame 63 can be effectively driven to move when the adjusting rod 62 rotates. The distance detection sensor 65 is set to measure the height of the liquid level detection switch 64 after adjustment, so as to facilitate the detection of the height position of the liquid level detection switch 64.

[0056] When this emergency water system is used in a relatively cold environment, the controller 5 controls the heating component 71 to heat the emergency water stored in the hot water tank 7. Then, the controller 5 controls the pump 72 to circulate the emergency water between the cold water tank 6 and the hot water tank 7, thereby heating the entire emergency water system and preventing the emergency water from freezing due to low temperature and being unable to be discharged normally.

[0057] This emergency water system can be used not only in hydraulic semi-continuous casting machines, but also in wire rope casting machines.

[0058] All parts not disclosed in this invention are prior art, and their specific structures, materials, and working principles will not be described in detail. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A water supply system for a hydraulic semi-continuous casting machine, comprising a storage tank (41), a controller (5), a cold water tank (6), and a pipeline (1), characterized in that: The cold water tank (6) stores emergency water, and one end of the pipe (1) is fixed to the side of the cold water tank (6) and communicates with the inner cavity of the cold water tank (6). The cold water tank (6) is equipped with a liquid level monitoring component. A pneumatic valve (2) is installed on the pipe (1). The storage tank (41) stores liquid argon, and a refrigeration component is installed near the storage tank (41). The refrigeration component, the control switch corresponding to the refrigeration component in the controller (5), and the external power supply are connected in series to form the working circuit of the refrigeration component. A gas guide pipe (42) communicating with the inner cavity of the storage tank (41) is fixed to the side of the storage tank (41). The end of the gas guide pipe (42) away from the storage tank (41) is fixed to the air inlet of the pneumatic valve (2). The storage tank (41) is set inside the insulation box (4). The refrigeration component includes a refrigeration unit (43) installed on the side of the insulation box (4), and the cold air exhaust port of the refrigeration unit (43) is located inside the insulation box (4). A temperature detection sensor (48) is installed on the side of the insulation box (4). The detection end of the temperature detection sensor (48) is in contact with the side of the storage tank (41). The temperature detection sensor (48), the control switch in the controller (5) corresponding to the temperature detection sensor (48), and the external power supply are connected in series to form the working circuit of the temperature detection sensor (48). The heat preservation box (4) has an opening on its side. A sealing plate (44) is slidably provided on the side of the heat preservation box (4) to seal the opening. A positioning frame (45) is fixed on the side of the heat preservation box (4) to guide the sliding of the sealing plate (44). An elastic element (46) is installed on the side of the positioning frame (45). An electromagnet (47) is provided on the side of the heat preservation box (4). When the electromagnet (47) is energized, it generates magnetic force and attracts the sealing plate (44) to seal the opening. When the sealing plate (44) seals the opening, the elastic element (46) is in a compressed state. The electromagnet (47), the control switch corresponding to the electromagnet (47) in the controller (5), and the external power supply are connected in series to form the working circuit of the electromagnet (47). The pipeline (1) is equipped with a solenoid valve (3) that is used in conjunction with the pneumatic valve (2), and the solenoid valve (3) is fixedly installed on the fixing plate (31). A storage battery (32) is installed on the side of the fixing plate (31), and the storage battery (32) is used to supply power to the solenoid valve (3) in the event of a power failure.

2. The water supply system for a hydraulic semi-continuous casting machine according to claim 1, characterized in that: The liquid level monitoring component includes a liquid level detection switch (64) installed in the cold water tank (6). The liquid level detection switch (64), the control switch corresponding to the liquid level detection switch (64) in the controller (5), and the external power supply are connected in series to form the working circuit of the liquid level detection switch (64).

3. The water supply system for a hydraulic semi-continuous casting machine according to claim 2, characterized in that: The liquid level detection switch (64) is mounted on the movable frame (63). An adjusting rod (62) is rotatably installed inside the cold water tank (6). The adjusting rod (62) has a thread on its side. The movable frame (63) is mounted on the adjusting rod (62) by the thread. A fixing rod (61) is fixed inside the cold water tank (6) to guide the positioning of the movable frame (63). A distance detection sensor (65) is installed at the top of the inner cavity of the cold water tank (6) corresponding to the position of the movable frame (63). The distance detection sensor (65), the control switch in the controller (5) corresponding to the distance detection sensor (65), and the external power supply are connected in series to form the working circuit of the distance detection sensor (65).

4. The water supply system for a hydraulic semi-continuous casting machine according to claim 1, characterized in that: A hot water tank (7) is also provided. A heating component (71) is installed on the side of the hot water tank (7), and the heating end of the heating component (71) is located inside the hot water tank (7). A pump body (72) for circulating water is installed between the hot water tank (7) and the cold water tank (6). The heating component (71), the control switch in the controller (5) corresponding to the heating component (71) and the external power supply are connected in series to form the working circuit of the heating component (71). The pump body (72), the control switch in the controller (5) corresponding to the pump body (72) and the external power supply are connected in series to form the working circuit of the pump body (72).

5. The water supply system for a hydraulic semi-continuous casting machine according to claim 1, characterized in that: A valve bracket (10) is provided at the end of the pipe (1) away from the cold water tank (6), and a pressure measuring instrument (11) is installed on the pipe (1) near the valve bracket (10). The pressure measuring instrument (11), the control switch in the controller (5) corresponding to the pressure measuring instrument (11), and the external power supply are connected in series to form the working circuit of the pressure measuring instrument (11).

6. The water supply system for a hydraulic semi-continuous casting machine according to claim 1, characterized in that: A one-way valve (8) is installed on the pipe (1) near the cold water tank (6), and a valve (9) for maintenance is also installed on the pipe (1).

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