Heat accumulating type steel ladle roaster

Abstract

The utility model relates to the technical field of steel ladle baking devices, and discloses a heat storage type steel ladle baking device which comprises a steel ladle and a heat storage cover, a second fixing base is fixedly connected to the middle of the upper end of the heat storage cover, and a sub-end control center is fixedly arranged at the position, close to the second fixing base, of the upper end of the heat storage cover. And the sub-end control center can be remotely controlled through a terminal. According to the utility model, during actual use, the pure oxygen supply structure is arranged, so that pure oxygen and coal gas can be fully mixed before participating in combustion through the mixed supply design of the coal gas and the pure oxygen, the combustion efficiency of the coal gas is greatly improved, and the uniform baking and heating structure is arranged, so that the combustion efficiency of the coal gas is greatly improved. Through the uniformly distributed baking and heating layout design, the device can provide uniform heating for metal in the steel ladle, and unnecessary heat loss is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ladle roasters, in particular to a heat storage type ladle roaster. Background Art

[0002] In the smelting process of existing steel mills, in order to heat the metal to a molten state, a special regenerative ladle roaster is usually required for the heating and melting operation of the metal.

[0003] However, the existing regenerative ladle roaster has certain defects in actual use, which is usually reflected in that the existing equipment heats the metal in the ladle through a single heating source. Due to the uneven heating characteristics in the initial stage of heating, it will lead to a certain increase in gas consumption. Therefore, those skilled in the art provide a regenerative ladle roaster to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a heat storage ladle roaster. The designed heat storage ladle roaster solves the problem that the existing equipment heats the metal in the ladle by means of a single heating source, and the uneven heating in the initial stage of heating will lead to a certain increase in gas consumption.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The heat storage type ladle roaster comprises a ladle and a heat storage cover, wherein a second fixing seat is fixedly connected to the middle position of the upper end of the heat storage cover, a sub-end control center is fixedly provided at a position of the upper end of the heat storage cover near the second fixing seat, and the sub-end control center can be remotely controlled through a terminal, a first gas supply pipe is fixedly connected to the position of the input end on one side of the upper end of the second fixing seat, a second gas supply pipe is fixedly connected to the position of the input end on the other side of the upper end of the second fixing seat, a gas flow meter is fixedly provided at a position of the tube body of the first gas supply pipe near one side of the second fixing seat, a pure oxygen flow meter is fixedly provided at a position of the tube body of the second gas supply pipe near one side of the second fixing seat, and the gas flow meter and the pure oxygen flow meter are both electrically connected to the sub-end control center, a mixing chamber is provided at an upper middle position inside the second fixing seat, and output ends of the first gas supply pipe and the second gas supply pipe are both in communication with the mixing chamber;

[0007] Through the above technical solution, when the device is actually used, the pure oxygen supply structure is set up, so that the equipment uses a mixed supply design of coal gas and pure oxygen, so that pure oxygen and coal gas can be fully mixed before participating in combustion, greatly improving the combustion efficiency of coal gas.

[0008] Furthermore, a plurality of first fixing seats are fixedly provided at the side positions of the upper end of the heat storage cover and at an angular interval of 120°, a two-way assembly is fixedly provided at the lower end positions of the inner parts of the plurality of first fixing seats, a five-way assembly is fixedly provided at the lower end position of the inner part of the second fixing seat, the upper input end of the five-way assembly is connected with the mixing chamber, the positions of the sides of the second fixing seat corresponding to the plurality of first fixing seats are fixedly connected with connecting pipes, the output ends of the plurality of connecting pipes are fixedly connected with the side input end of the first fixing seat, the plurality of connecting pipes are connected with the three side output ends of the five-way assembly and the input ends of the plurality of two-way assemblies, a second gas pipe is fixedly provided at the bottom output end position of the five-way assembly, the first gas pipe is fixedly provided at the bottom output end position of the plurality of two-way assemblies, a baking assembly is fixedly provided at the positions of the bottom end of the heat storage cover corresponding to the output ends of the plurality of first gas pipes and the second gas pipes, and the output ends of the plurality of first gas pipes and the second gas pipes are fixedly connected with the input end of the baking assembly;

[0009] Through the above technical solution, when the device of this design is actually used, the uniform baking and heating structure is set up, so that the device can provide uniform heating for the metal in the ladle through the uniformly distributed baking and heating layout design, effectively avoiding unnecessary heat loss.

[0010] Furthermore, a matching convex edge is fixedly connected to the side of the upper end of the ladle, and the matching convex edge and the bottom end of the heat storage cover correspond to each other;

[0011] Through the above technical solution, the matching convex edge set on the upper side of the ladle and the matching relationship with the bottom side of the heat storage cover facilitate the heat storage cover to limit the heat storage cover and have a certain heat storage sealing effect when covering the ladle.

[0012] Furthermore, a plurality of spray guns are fixedly provided at equal distances on the bottom ends of the plurality of baking components, an igniter is fixedly provided at one side of the bottom ends of the plurality of baking components, and the plurality of igniters are electrically connected to the sub-end control hub;

[0013] Through the above technical solution, multiple spray guns are arranged at the bottom of the baking component and are evenly distributed, so that the baking component can provide a uniform heat source to the ladle. The electrical connection relationship between the igniter and the sub-end control center makes it convenient to control the switch of the igniter through the sub-end control center, thereby providing a trigger medium for ignition of the baking component.

[0014] Furthermore, a first guide tube is fixedly connected to a position inside the mixing chamber corresponding to the output end of the first air supply tube, and a second guide tube is fixedly connected to a position inside the mixing chamber corresponding to the output end of the second air supply tube, and the output ends of the first guide tube and the second guide tube correspond to each other;

[0015] Through the above technical solution, the first guide pipe, the second guide pipe and the coordination between the two can spray the coal gas and pure oxygen supplied by the first gas supply pipe and the second gas supply pipe in each other's directions, so that the coal gas and pure oxygen can be fully mixed together in the mixing chamber.

[0016] Furthermore, a first solenoid valve is fixedly provided on the body of the first gas supply pipe at a position away from the second fixing seat, and a second solenoid valve is fixedly provided on the body of the second gas supply pipe at a position away from the second fixing seat, and both the first solenoid valve and the second solenoid valve are electrically connected to the sub-end control hub;

[0017] Through the above technical solution, the first solenoid valve, the second solenoid valve and the electrical connection between the two and the sub-end control center facilitate the control of the switching of the first solenoid valve and the second solenoid valve through the sub-end control center.

[0018] Furthermore, fans are fixedly provided on the tube bodies of the first air supply pipe and the second air supply pipe at positions close to the input ends, and the fans are both electrically connected to the sub-end control hub;

[0019] Through the above technical solution, the fan is set up and the electrical connection relationship with the sub-end control center makes it convenient to control the operation of the fan through the sub-end control center, and to pump the coal gas and pure oxygen at the gas source along the gas supply pipe to the fixed seat through the fan.

[0020] Furthermore, the upper end of the heat storage cover is fixedly provided with a plurality of exhaust ports at intervals of 120 degrees, and the bottom end of the heat storage cover is fixedly provided with a plurality of temperature sensors at equal intervals, and the plurality of temperature sensors are all electrically connected to the sub-end control hub;

[0021] Through the above technical solution, multiple exhaust ports are set up to discharge the waste gas generated during baking when the heat storage cover bakes the metal in the ladle. The set temperature sensor and the electrical connection relationship with the sub-end control center make it convenient to detect the temperature of different positions in the ladle in real time through the temperature sensor and provide real-time feedback to the sub-end control center.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the present invention, a pure oxygen supply structure of the device is formed by a first gas supply pipe, a second gas supply pipe, a blower, a pure oxygen flowmeter, a coal gas flowmeter, a first solenoid valve, a second solenoid valve, a mixing chamber, a first guide pipe, and a second guide pipe. In this structure, fuel coal gas is supplied to the device through the first gas supply pipe, and pure oxygen, a combustion medium, is supplied through the second gas supply pipe. The coal gas flowmeter and pure oxygen flowmeter facilitate real-time detection of the output of coal gas and pure oxygen. The first and second solenoid valves can control the opening and closing of the gas supply pipe and the flow rate of gas flowing through the pipe, facilitating adjustment of the coal gas and pure oxygen supply ratio according to actual needs. The first and second guide pipes provided in the mixing chamber can blow the coal gas and pure oxygen supplied to the mixing chamber in opposite directions, allowing for thorough mixing of the coal gas and pure oxygen. The blower can pump the coal gas and pure oxygen from the gas source along the gas supply pipe into the mixing chamber. The overall design enables the device to fully mix the pure oxygen and coal gas before combustion through the mixed supply of coal gas and pure oxygen, greatly improving the combustion efficiency of the coal gas.

[0024] 2. In the present invention, a uniform baking and heating structure of the device is formed by the first fixed seat, the second fixed seat, the connecting pipe, the two-way assembly, the five-way assembly, the first gas pipe, the second gas pipe, the baking assembly and the basin. In this structure, when the equipment bakes and heats the metal in the ladle, the four baking assemblies dispersedly arranged at the bottom end of the heat storage cover are baked and heated synchronously, and the bottom end of each baking assembly is distributed with multiple spray guns, so that the baking heat source at the lower end of the heat storage cover is relatively more widely distributed, so that the metal in the ladle can be evenly heated. The connecting pipe is conveniently provided to provide a mixed gas of coal gas and pure oxygen to multiple first fixed seats through the five-way assembly in the second fixed seat. The overall structural design enables the device to provide uniform heating for the metal in the ladle through the uniformly distributed baking heating layout design, effectively avoiding unnecessary heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric diagram of a regenerative ladle roaster proposed in the utility model;

[0026] Figure 2 This is a front view of a regenerative ladle roaster proposed in the utility model;

[0027] Figure 3 This is a top view of a regenerative ladle roaster proposed in the present invention;

[0028] Figure 4 This is a cross-sectional view of a heat storage cover of a heat storage ladle roaster proposed in the present invention;

[0029] Figure 5This is an axonometric view of a baking component of a regenerative ladle baking device proposed in the present invention.

[0030] Legend:

[0031] 1. Ladle; 2. Matching flange; 3. Heat storage cover; 4. Exhaust port; 5. First fixing seat; 6. Second fixing seat; 7. Connecting pipe; 8. Fan; 9. Gas flowmeter; 10. First solenoid valve; 11. First gas supply pipe; 12. Second gas supply pipe; 13. Second solenoid valve; 14. Pure oxygen flowmeter; 15. Two-way assembly; 16. First gas pipe; 17. Baking assembly; 18. Spray gun; 19. Ignitor; 20. Temperature sensor; 21. Second gas pipe; 22. First guide pipe; 23. Mixing chamber; 24. Second guide pipe; 25. Five-way assembly; 26. Sub-end control center. DETAILED DESCRIPTION

[0032] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Reference Figure 1-5 , the utility model provides an embodiment: a heat storage type ladle roaster, including a ladle 1 and a heat storage cover 3, the middle position of the upper end of the heat storage cover 3 is fixedly connected to a second fixing seat 6, the upper end of the heat storage cover 3 is fixedly provided with a sub-end control center 26 near the position of the second fixing seat 6, the sub-end control center 26 can be remotely controlled by the terminal, the position of the input end on one side of the upper end of the second fixing seat 6 is fixedly connected to a first air supply pipe 11, the position of the input end on the other side of the upper end of the second fixing seat 6 is fixedly connected to The second gas supply pipe 12, a gas flow meter 9 is fixedly provided on the tube body of the first gas supply pipe 11 at a position close to the second fixed seat 6, and a pure oxygen flow meter 14 is fixedly provided on the tube body of the second gas supply pipe 12 at a position close to the second fixed seat 6. Both the gas flow meter 9 and the pure oxygen flow meter 14 are electrically connected to the sub-end control center 26. A mixing chamber 23 is provided at the upper middle position inside the second fixed seat 6, and the output ends of the first gas supply pipe 11 and the second gas supply pipe 12 are both connected and matched with the mixing chamber 23.

[0034] The upper end of the heat storage cover 3 is fixedly provided with a plurality of first fixing seats 5 at a 120° angle interval at the side position, and the internal positions of the plurality of first fixing seats 5 are fixedly provided with a two-way component 15 at the lower end position, and the internal position of the second fixing seat 6 is fixedly provided with a five-way component 25. The upper input end of the five-way component 25 is connected to the mixing chamber 23, and the side of the second fixing seat 6 corresponding to the position of the plurality of first fixing seats 5 is fixedly connected with a connecting pipe 7. The output ends of the plurality of connecting pipes 7 are fixedly connected to the side input end of the first fixing seat 5, and the plurality of connecting pipes 7 are fixedly connected to the side input end of the first fixing seat 5. The through pipes 7 are all connected and matched with the three output ends on the side of the five-way component 25 and the input ends of multiple two-way components 15. The second air pipe 21 is fixedly provided at the bottom output end position of the five-way component 25, and the first air pipe 16 is fixedly provided at the bottom output end position of multiple two-way components 15. The baking component 17 is fixedly provided at the position of the bottom end of the heat storage cover 3 corresponding to the output ends of the multiple first air pipes 16 and the second air pipes 21. The output ends of the multiple first air pipes 16 and the second air pipes 21 are fixedly connected to the input end of the baking component 17.

[0035] The upper end of the ladle 1 is fixedly connected to a matching convex edge 2 at the side position, and the matching convex edge 2 and the bottom end of the heat storage cover 3 correspond to each other. The bottom ends of the multiple baking components 17 are fixedly provided with multiple spray guns 18 at equal distances. An igniter 19 is fixedly provided at one side position of the bottom end of the multiple baking components 17. The multiple igniters 19 are electrically connected to the sub-end control center 26. The interior of the mixing chamber 23 is fixedly connected to a first guide tube 22 at a position corresponding to the output end of the first gas supply pipe 11. The interior of the mixing chamber 23 is fixedly connected to a second guide tube 24 at a position corresponding to the output end of the second gas supply pipe 12. The output ends of the first guide tube 22 and the second guide tube 24 correspond to each other. The first gas supply pipe 1 1 is fixedly provided with a first solenoid valve 10 at a position of the tube body away from the second fixed seat 6, and a second solenoid valve 13 is fixedly provided at a position of the tube body of the second air supply pipe 12 away from the second fixed seat 6. The first solenoid valve 10 and the second solenoid valve 13 are both electrically connected to the sub-end control center 26. The first air supply pipe 11 and the second air supply pipe 12 are both fixedly provided with a fan 8 at a position close to the input end of the tube body, and a pair of fans 8 are both electrically connected to the sub-end control center 26. The upper end of the heat storage cover 3 is fixedly provided with multiple exhaust ports 4 at 120° intervals, and the bottom end of the heat storage cover 3 is fixedly provided with multiple temperature sensors 20 at equal distances, and the multiple temperature sensors 20 are all electrically connected to the sub-end control center 26.

[0036] Working principle: This design is a regenerative ladle roaster. In actual use, the equipment supplies fuel gas to the equipment through the first gas supply pipe 11, and supplies combustion medium pure oxygen through the second gas supply pipe 12. The provided gas flow meter 9 and pure oxygen flow meter 14 are convenient for real-time detection of the output of gas and pure oxygen. The provided first solenoid valve 10 and second solenoid valve 13 can control the switch of the gas supply pipeline and the flow rate of the gas circulating in the pipeline, so as to facilitate adjustment of the supply ratio of gas and pure oxygen according to actual needs. The first guide pipe 22 and second guide pipe 24 provided in the mixing chamber 23 can blow the gas and pure oxygen supplied to the mixing chamber 23 in each other's directions, so that the gas and pure oxygen can be fully mixed. The provided fan 8 can pump the gas and pure oxygen at the gas source along the gas supply pipe to the mixing chamber 23. The overall design makes the equipment pass The mixed supply design of coal gas and pure oxygen allows pure oxygen and coal gas to be fully mixed before participating in combustion, greatly improving the combustion efficiency of coal gas. When the equipment bakes and heats the metal in the ladle 1, the four baking components 17 distributed at the bottom of the heat storage cover 3 are baked and heated simultaneously. The bottom of each baking component 17 is distributed with multiple spray guns 18, so that the baking heat source at the lower end of the heat storage cover 3 is relatively more widely distributed, which can evenly heat the metal in the ladle 1. The connecting pipe 7 is conveniently provided to provide a mixed gas of coal gas and pure oxygen to multiple first fixed seats 5 through the five-way component 25 in the second fixed seat 6. The overall structural design enables the device to provide uniform heating for the metal in the ladle 1 through a uniformly distributed baking heating layout design, effectively avoiding unnecessary heat loss.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat storage ladle roaster, comprising a ladle (1) and a heat storage cover (3), characterized in that: A second fixing seat (6) is fixedly connected to the middle position of the upper end of the heat storage cover (3), and a sub-end control center (26) is fixedly provided at a position of the upper end of the heat storage cover (3) close to the second fixing seat (6), and the sub-end control center (26) can be remotely controlled through a terminal; A first gas supply pipe (11) is fixedly connected to the input end position on one side of the upper end of the second fixed seat (6), and a second gas supply pipe (12) is fixedly connected to the input end position on the other side of the upper end of the second fixed seat (6). A gas flow meter (9) is fixedly provided on the tube body of the first gas supply pipe (11) at a position close to one side of the second fixed seat (6), and a pure oxygen flow meter (14) is fixedly provided on the tube body of the second gas supply pipe (12) at a position close to one side of the second fixed seat (6). Both the gas flow meter (9) and the pure oxygen flow meter (14) are electrically connected to the sub-end control center (26). A mixing chamber (23) is provided at the upper middle position of the interior of the second fixed seat (6), and the output ends of the first gas supply pipe (11) and the second gas supply pipe (12) are both connected and matched with the mixing chamber (23).

2. The regenerative ladle roaster according to claim 1, characterized in that: A plurality of first fixing seats (5) are fixedly provided at the side positions of the upper end of the heat storage cover (3) and at intervals of 120 degrees. A two-way assembly (15) is fixedly provided at the lower end positions of the interior of the plurality of first fixing seats (5). A five-way assembly (25) is fixedly provided at the lower side positions of the interior of the second fixing seat (6). The upper input end of the five-way assembly (25) is connected to the mixing chamber (23). The side of the second fixing seat (6) corresponds to the position of the plurality of first fixing seats (5). A connecting pipe (7) is fixedly connected. The output ends of the plurality of connecting pipes (7) are fixedly connected to the side input end of the first fixing seat (5). The connecting pipe (7) is connected and matched with the three output ends on the side of the five-way component (25) and the input ends of the multiple two-way components (15); the second gas pipe (21) is fixedly provided at the bottom output end position of the five-way component (25); the first gas pipe (16) is fixedly provided at the bottom output end position of the multiple two-way components (15); the baking component (17) is fixedly provided at the bottom end of the heat storage cover (3) at the position corresponding to the output ends of the multiple first gas pipes (16) and the second gas pipes (21); the output ends of the multiple first gas pipes (16) and the second gas pipes (21) are fixedly connected to the input end of the baking component (17).

3. The regenerative ladle roaster according to claim 1, characterized in that: A matching convex edge (2) is fixedly connected to the side of the upper end of the ladle (1), and the matching convex edge (2) and the bottom end of the heat storage cover (3) correspond to each other.

4. The regenerative ladle roaster according to claim 2, characterized in that: A plurality of spray guns (18) are fixedly provided at equal intervals on the bottom ends of the plurality of baking components (17), an igniter (19) is fixedly provided at one side of the bottom ends of the plurality of baking components (17), and the plurality of igniters (19) are electrically connected to the sub-end control center (26).

5. The regenerative ladle roaster according to claim 1, characterized in that: A first guide tube (22) is fixedly connected to a position inside the mixing chamber (23) corresponding to the output end of the first air supply tube (11), and a second guide tube (24) is fixedly connected to a position inside the mixing chamber (23) corresponding to the output end of the second air supply tube (12), and the output ends of the first guide tube (22) and the second guide tube (24) correspond to each other.

6. The regenerative ladle roaster according to claim 1, characterized in that: A first solenoid valve (10) is fixedly provided on the body of the first air supply pipe (11) at a position away from the second fixed seat (6), and a second solenoid valve (13) is fixedly provided on the body of the second air supply pipe (12) at a position away from the second fixed seat (6). Both the first solenoid valve (10) and the second solenoid valve (13) are electrically connected to the sub-end control center (26).

7. The regenerative ladle roaster according to claim 1, characterized in that: A fan (8) is fixedly provided at a position close to the input end of the tube body of the first air supply pipe (11) and the second air supply pipe (12), and the pair of fans (8) are both electrically connected to the sub-end control center (26).

8. The regenerative ladle roaster according to claim 1, characterized in that: The upper end of the heat storage cover (3) is fixedly provided with a plurality of exhaust ports (4) at intervals of 120 degrees, and the bottom end of the heat storage cover (3) is fixedly provided with a plurality of temperature sensors (20) at equal intervals, and the plurality of temperature sensors (20) are all electrically connected to the sub-end control center (26).

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