CN115449576A - Automatic thermal induction blast furnace late stage spraying cooling equipment and implementation method - Google Patents
Automatic thermal induction blast furnace late stage spraying cooling equipment and implementation method Download PDFInfo
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- CN115449576A CN115449576A CN202211279321.0A CN202211279321A CN115449576A CN 115449576 A CN115449576 A CN 115449576A CN 202211279321 A CN202211279321 A CN 202211279321A CN 115449576 A CN115449576 A CN 115449576A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses automatic thermal induction blast furnace late stage spray cooling equipment and an implementation method, and belongs to the field of blast furnace late stage cooling. The device comprises a device bearing base, wherein a third cooling liquid transmission ring pipe is arranged on one side of the upper end of the device bearing base; and a second cooling liquid transmission ring pipe is arranged at the upper end of the fourth cooling liquid transmission ring pipe. The automatic induction infrared radiation cooling device solves the problems that the existing spray cooling device needs manual regular inspection in the actual use process, the labor intensity is high, the automatic induction infrared thermometers which are annularly distributed outside the first cooling liquid transmission ring pipe and the second cooling liquid transmission ring pipe are used for detecting the temperatures of different positions outside the blast furnace, the flow direction of water flow and the flow rate of the water flow are limited and adjusted respectively by matching with the control valve and the flow rate adjusting valve, active heat radiation is carried out according to the temperatures and the positions, and the heat radiation effect and the heat radiation accuracy are improved.
Description
Technical Field
The invention relates to the field of blast furnace late cooling, in particular to automatic thermal induction blast furnace late spray cooling equipment and an implementation method.
Background
In the blast furnace ironmaking production process, the inner side of a blast furnace shell is provided with a water-cooling wall for providing continuous water cooling for reducing the surface temperature of the furnace shell and ensuring the stable operation of production, and in the later stage of the blast furnace, a cooling system of the blast furnace is difficult to ensure the required continuous and stable cooling effect under the working condition of the later stage of the furnace service, so a plurality of layers of spray cooling water pipes are generally arranged on the outer side of the blast furnace shell, and a spray cooling device is designed according to the cooling requirement in the blast furnace ironmaking production process;
the Chinese patent with the granted publication number of CN215572275U discloses a spray cooling device with a water volume adjusting function, which comprises a cooling tower main body and a spray mechanism, wherein a first motor is arranged on the inner wall of the top of the cooling tower main body, a plurality of water collecting blocks are arranged on the top of the inner side wall of the cooling tower main body, an electric telescopic rod is arranged on the inner side wall of the cooling tower main body, the spray mechanism comprises a water collecting box, a water valve, a first water spray pipe, a second water spray pipe, a convex block and a slide rod, the second water spray pipe is arranged on the inner side wall of the cooling tower main body, the convex block is arranged on the right side of the first water spray pipe, and air inlets are formed in two sides of the cooling tower main body. This spray cooling device with regulating pondage size function is provided with receipts water piece, conveyer belt and second motor, and second motor accessible conveyer belt drives a plurality of receipts water pieces and rotates simultaneously, is convenient for more efficient vapor in the barrier air, reduces the loss at the water source in the water tank.
However, the existing spray cooling equipment is provided with a manual control valve on a main pipe in the actual use process, manual regular inspection is needed, when the temperature is found to be high, the valve is opened, and water is sprayed for cooling, the manual inspection mode has hidden dangers to a certain extent, if the temperature is not found to be timely, the temperature is quickly raised in a short period, potential safety hazards are brought to blast furnace production, manual frequent inspection is needed, and the labor intensity is high; therefore, the existing requirements are not met, and an automatic thermal induction blast furnace late stage spray cooling device and an implementation method are provided for the automatic thermal induction blast furnace late stage spray cooling device.
Disclosure of Invention
The invention aims to provide automatic thermal induction blast furnace late stage spray cooling equipment and an implementation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the automatic thermal induction blast furnace late stage spray cooling equipment comprises a device bearing base, wherein a third cooling liquid transmission ring pipe is arranged on one side of the upper end of the device bearing base, and a fourth cooling liquid transmission ring pipe is arranged on the other side of the upper end of the device bearing base; the cooling system comprises a first cooling liquid transmission ring pipe, a second cooling liquid transmission ring pipe, a fourth cooling liquid transmission ring pipe, a first connection transmission pipe and a second connection ring, wherein the first cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe are arranged at the upper end of the third cooling liquid transmission ring pipe, the second cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe are connected with each other in a sealing mode through the first connection transmission pipe, the third cooling liquid transmission ring pipe is externally provided with a second fixed connection ring, the second fixed connection ring is welded and fixed with the third cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe, the second fixed connection ring is annularly provided with four fixed rods, one end of each fixed rod is provided with an automatic induction infrared thermometer, two ends of the first cooling liquid transmission ring pipe, the second cooling liquid transmission ring pipe, the third cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe are respectively provided with a control valve, and one side of each control valve is provided with a flow regulating valve.
Preferably, the lower end of the second fixed connecting ring is provided with a first fixed connecting ring, one side of the inside of the first fixed connecting ring is provided with a cooling liquid accommodating ring, the inside of the cooling liquid accommodating ring is provided with a cooling liquid storage cavity, one side of the inside of the cooling liquid storage cavity is provided with a water temperature sensor, a plurality of connecting rods are annularly arranged between the second fixed connecting ring and the first fixed connecting ring, and two ends of each connecting rod are welded and fixed with the second fixed connecting ring and the first fixed connecting ring respectively.
Preferably, a device bearing base is arranged at the lower end of the first fixed connecting ring, a second connecting transmission pipe is arranged on one side of the outer portion of the device bearing base, a first pressure pump is arranged on one side of the outer portion of the second connecting transmission pipe, two ends of the second connecting transmission pipe are respectively in sealing connection with the cooling liquid containing ring and the first connecting transmission pipe, and a second pressure pump is arranged on one side of the outer portion of the first connecting transmission pipe.
Preferably, the first cooling liquid transmission ring pipe, the second cooling liquid transmission ring pipe, the third cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe are annularly provided with a plurality of drain pipes at the outer lower ends thereof, the drain pipes are hermetically connected with the first cooling liquid transmission ring pipe, the second cooling liquid transmission ring pipe, the third cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe, and a first water flow limiting frame is arranged on one side of the outer lower end of each drain pipe.
Preferably, one end of the first water flow limiting frame is provided with a second water flow limiting frame, the second water flow limiting frame and the first water flow limiting frame are of an integrated structure, the two sides of the second water flow limiting frame are provided with third water flow limiting frames, a first water drain port is formed in the third water flow limiting frame, and the first water drain port penetrates through and extends to the two sides of the third water flow limiting frame.
Preferably, one side of the inside of second rivers restriction frame is provided with fourth rivers restriction frame, the inside centre of fourth rivers restriction frame is provided with the third outlet, and the third outlet runs through and extends to the both sides of fourth rivers restriction frame, the outside both sides of fourth rivers restriction frame all are provided with the second outlet.
The invention also provides another technical scheme that: an implementation method of automatic thermal induction blast furnace late stage spray cooling equipment comprises the following steps:
s1: when the spraying equipment is used, the corresponding automatic sensing infrared thermometers are fixed through four fixing rods which are distributed annularly, the outer wall of a blast furnace is detected through the automatic sensing infrared thermometers, after the detected angle is higher than the set temperature, external cooling liquid is extracted through a second pressure pump and is transmitted through a first connecting transmission pipe, the external cooling liquid flows into a first cooling liquid transmission ring pipe and a third cooling liquid transmission ring pipe or a second cooling liquid transmission ring pipe and a fourth cooling liquid transmission ring pipe respectively, the direction of the liquid flowing inside is limited through a control valve outside the first cooling liquid transmission ring pipe and the third cooling liquid transmission ring pipe or the second cooling liquid transmission ring pipe and the fourth cooling liquid transmission ring pipe, the direction is adjusted, the flow is limited through a flow regulating valve, and the flow direction and the flow quantity correspond to different temperatures in different directions;
s2: the cooling liquid is discharged and then contacts with the blast furnace, and falls and flows to a cooling liquid storage cavity attached to the inner part of a cooling liquid containing ring of the blast furnace due to the self gravity of the cooling liquid, and the temperature of the collected cooling liquid is detected by a water temperature sensor;
s3: when the temperature is lower than the set value, the collected cooling liquid is pumped by the second connecting transmission pipe through the first pressurizing pump and is transmitted to the inside of the first connecting transmission pipe again when needed;
s4: after the cooling liquid discharged by the water discharge pipe is limited by the second water flow limiting frame, the cooling liquid is divided by the first water discharge port, the second water discharge port and the third water discharge port after being limited by the third water flow limiting frame and the fourth water flow limiting frame, and therefore the contact area of the cooling liquid and the blast furnace is increased.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the third cooling liquid transmission ring pipe is arranged on one side inside the second fixed connecting ring, the fourth cooling liquid transmission ring pipe is arranged on the other side inside the second fixed connecting ring, and the second cooling liquid transmission ring pipe is arranged at the upper end of the fourth cooling liquid transmission ring pipe.
2. According to the invention, the cooling liquid containing ring is arranged on one side inside the first fixed connecting ring, the cooling liquid storage cavity is arranged at the lower end inside the cooling liquid containing ring, the water temperature sensor is arranged on one side inside the cooling liquid storage cavity, the second connecting transmission pipe is arranged on one side of the lower end of the first fixed connecting ring, the first pressure pump is arranged on one side outside the second connecting transmission pipe, in the actual heat dissipation process, the cooling liquid discharged by the water discharge pipe contacts the outer wall of the blast furnace and slides downwards due to gravity, and finally the cooling liquid is collected by the cooling liquid containing ring attached to the outer part of the blast furnace and is detected by the water temperature sensor to be collected, so that the first pressure pump can extract and reuse the cooling liquid with lower temperature, the cooling liquid with excessive cooling consumption is avoided, and the waste of resources is avoided.
3. According to the invention, the first water flow limiting frame is arranged on one side of the lower end of the outer part of the plurality of water drainage pipes, the second water flow limiting frame is arranged at one end of the first water flow limiting frame, the third water flow limiting frames are arranged on two sides of the outer part of the second water flow limiting frame, the first water drainage port is arranged inside the third water flow limiting frame, and the second water drainage port is arranged at the lower end of the outer part of the second water flow limiting frame.
Drawings
FIG. 1 is a front view of the overall external structure of the present invention;
FIG. 2 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;
fig. 3 is a perspective view illustrating a positional relationship between the first water flow restriction frame and the water discharge pipe according to the present invention.
In the figure: 1. a device carrying base; 2. a first stationary connecting ring; 3. a coolant containment ring; 4. a coolant storage chamber; 5. a second stationary connecting ring; 6. a connecting rod; 7. fixing the rod; 8. an auto-induction infrared thermometer; 9. a first coolant-conveying loop; 10. a second coolant delivery loop; 11. a third coolant delivery loop; 12. a fourth coolant transfer loop; 13. the first connecting transmission pipe; 14. a control valve; 15. a flow regulating valve; 16. a drain pipe; 17. a second connecting transmission pipe; 18. a first pressure pump; 19. a second pressure pump; 20. a water temperature sensor; 21. a first water flow restricting frame; 22. a second water flow restricting frame; 23. a third water flow restricting frame; 24. a fourth water flow restricting frame; 25. a first drain port; 26. a second water discharge port; 27. and a third water discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For further understanding of the present invention, please refer to fig. 1, fig. 2 and fig. 3, the present embodiment provides the following technical solutions:
the utility model provides an automatic thermal induction blast furnace late stage sprays cooling arrangement, bears base 1 including the device, and one side that the device bore the upper end of base 1 is provided with third coolant liquid transmission ring canal 11, and the device bears the opposite side that the upper end of base 1 is provided with fourth coolant liquid transmission ring canal 12.
The cooling system further comprises a first cooling liquid transmission loop 9 which is arranged at the upper end of a third cooling liquid transmission loop 11, a second cooling liquid transmission loop 10 is arranged at the upper end of a fourth cooling liquid transmission loop 12, the second cooling liquid transmission loop 10, the fourth cooling liquid transmission loop 12, the first cooling liquid transmission loop 9 and the third cooling liquid transmission loop 11 are in sealing connection through a first connection transmission tube 13, a second fixed connecting ring 5 is arranged outside the third cooling liquid transmission loop 11, the second fixed connecting ring 5 is welded and fixed with the third cooling liquid transmission loop 11 and the fourth cooling liquid transmission loop 12, four fixing rods 7 are annularly arranged outside the second fixed connecting ring 5, an automatic induction infrared thermometer 8 is arranged at one end of each fixing rod 7, a control valve 14 is arranged at each of the first cooling liquid transmission loop 9, the second cooling liquid transmission loop 10, the third cooling liquid transmission loop 11 and two ends of the fourth cooling liquid transmission loop 12, and a flow regulating valve 15 is arranged at one side of one control valve 14.
In order to solve the technical problems that the manual control valve is arranged on the main pipe of the existing spray cooling equipment in the actual use process, manual regular inspection is needed, when the temperature is found to be high, the valve is opened, water is sprayed for cooling, the mode of manual inspection has hidden dangers to a certain degree, if the mode is not found timely, the temperature is raised quickly in a short period, potential safety hazards are brought to blast furnace production, manual frequent inspection is needed, and the labor intensity is high, please refer to fig. 1 and fig. 2, the embodiment provides the following technical scheme:
the lower end of the second fixed connecting ring 5 is provided with a first fixed connecting ring 2, one side inside the first fixed connecting ring 2 is provided with a cooling liquid accommodating ring 3, the inside of the cooling liquid accommodating ring 3 is provided with a cooling liquid storage cavity 4, one side inside the cooling liquid storage cavity 4 is provided with a water temperature sensor 20, a plurality of connecting rods 6 are annularly arranged between the second fixed connecting ring 5 and the first fixed connecting ring 2, and two ends of each connecting rod 6 are welded and fixed with the second fixed connecting ring 5 and the first fixed connecting ring 2 respectively.
Specifically, the coolant discharged from different positions is collected by the coolant accommodating ring 3 and reused, thereby improving the heat dissipation effect and the cooling efficiency.
Referring to fig. 1 and 2, in the present embodiment, the lower end of the first fixed connection ring 2 is provided with a device bearing base 1, one side of the exterior of the device bearing base 1 is provided with a second connection transmission pipe 17, one side of the exterior of the second connection transmission pipe 17 is provided with a first pressure pump 18, two ends of the second connection transmission pipe 17 are respectively connected with the cooling liquid containing ring 3 and the first connection transmission pipe 13 in a sealing manner, and one side of the exterior of the first connection transmission pipe 13 is provided with a second pressure pump 19.
Under the normal production condition, the water supply of the system is pressure water supply, and under the condition that the cooling water supply pressure is insufficient, the first pressurizing pump 18 and the second pressurizing pump 19 are adopted for pressurizing water supply, so that the pressure requirement of spray water can be met.
Specifically, the coolant collected by the coolant storage ring 3 can be cooled by the ice repeatedly by the pumping of the first pressurizing pump 18.
Referring to fig. 1 and 3, in the present embodiment, a plurality of drain pipes 16 are annularly disposed at the lower ends of the exterior of the first, second, third, and fourth coolant transmission loops 9, 10, 11, and 12, the drain pipes 16 are hermetically connected to the first, second, third, and fourth coolant transmission loops 9, 10, 11, and 12, and a first water flow limiting frame 21 is disposed at one side of the exterior lower end of the drain pipes 16.
Specifically, the transmitted cooling can be directly transmitted by the drain pipe 16 and then can directly contact the blast furnace, so that the heat dissipation effect is improved.
Referring to fig. 1 and 3, in the present embodiment, one end of the first water flow limiting frame 21 is provided with a second water flow limiting frame 22, the second water flow limiting frame 22 and the first water flow limiting frame 21 are integrated into a whole, both sides of the exterior of the second water flow limiting frame 22 are provided with third water flow limiting frames 23, a first drain 25 is arranged inside the third water flow limiting frames 23, and the first drain 25 penetrates and extends to both sides of the third water flow limiting frames 23.
Specifically, the diverted liquid can pass through the first drain port 25 and contact the blast furnace, thereby increasing the heat dissipation area and the heat dissipation effect.
Referring to fig. 1 and 3, in the present embodiment, a fourth water flow limiting frame 24 is disposed at one side of the inside of the second water flow limiting frame 22, a third water outlet 27 is disposed at the middle of the inside of the fourth water flow limiting frame 24, the third water outlet 27 penetrates and extends to two sides of the fourth water flow limiting frame 24, and second water outlets 26 are disposed at two sides of the outside of the fourth water flow limiting frame 24.
Specifically, the water flow can be limited and divided by the fourth water flow limiting frame 24, so that the contact area between the cooling liquid and the blast furnace is increased.
Referring to fig. 1-3, to better explain the embodiments of the present invention, an implementation method of the late stage spray cooling device of the automated thermal induction blast furnace is further provided, which includes the following steps:
s1: when the spraying equipment is used, in order to detect the equipment at different high temperatures at different positions and different angles, the corresponding automatic sensing infrared thermometers 8 are fixed through four fixing rods 7 which are distributed annularly, the outer wall of the blast furnace is detected through the automatic sensing infrared thermometers 8, after the detected angle is higher than the set temperature, external cooling liquid is extracted through one of the second pressure pumps 19 and is transmitted through the first connecting transmission pipe 13, the external cooling liquid flows into the first cooling liquid transmission ring pipe 9 and the third cooling liquid transmission ring pipe 11 or the second cooling liquid transmission ring pipe 10 and the fourth cooling liquid transmission ring pipe 12 respectively, the liquid flowing inside is limited by the first cooling liquid transmission ring pipe 9 and the third cooling liquid transmission ring pipe 11 or the control valve 14 outside the second cooling liquid transmission ring pipe 10 and the fourth cooling liquid transmission ring pipe 12, the orientation is adjusted, the flow is limited by the flow regulating valve 15, and the flow direction and the flow rate correspond to different temperatures in different orientations;
s2: in order to avoid the waste of cooling caused by long-time cooling, the cooling liquid is discharged and then contacts with the blast furnace, the cooling liquid falls and flows to the cooling liquid storage cavity 4 attached to the inner part of the cooling liquid containing ring 3 of the blast furnace due to the self gravity of the cooling liquid, and the temperature of the collected cooling liquid is detected by the water temperature sensor 20;
s3: when the temperature is lower than the set value, the collected cooling liquid is pumped by the second connecting transmission pipe 17 through the first pressurizing pump 18 and is transmitted to the interior of the first connecting transmission pipe 13 again when needed;
s4: in order to improve the cooling effect of the device in the actual use process, the cooling liquid discharged by the water discharge pipe 16 is limited by the second water flow limiting frame 22, and is limited by the third water flow limiting frame 23 and the fourth water flow limiting frame 24, and then is divided by the first water discharge port 25, the second water discharge port 26 and the third water discharge port 27, so that the contact area between the cooling and the blast furnace is improved, and the heat dissipation effect and the cooling efficiency are improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automatic thermal induction blast furnace late stage sprays cooling arrangement which characterized in that: the device comprises a device bearing base (1), wherein a third cooling liquid transmission ring pipe (11) is arranged on one side of the upper end of the device bearing base (1), a fourth cooling liquid transmission ring pipe (12) is arranged on the other side of the upper end of the device bearing base (1), a first cooling liquid transmission ring pipe (9) is arranged at the upper end of the third cooling liquid transmission ring pipe (11), a second cooling liquid transmission ring pipe (10) is arranged at the upper end of the fourth cooling liquid transmission ring pipe (12), the second cooling liquid transmission ring pipe (10), the fourth cooling liquid transmission ring pipe (12), the first cooling liquid transmission ring pipe (9) and the third cooling liquid transmission ring pipe (11) are in sealing connection through a first connection transmission pipe (13), a second fixed ring pipe (5) is arranged outside the third cooling liquid transmission ring pipe (11), the inside of the second fixed ring pipe (5) is welded and fixed with the third cooling liquid transmission ring pipe (11) and the fourth cooling liquid transmission ring pipe (12), four fixed rods (7) are arranged outside the second fixed ring pipe (5), a first infrared transmission ring pipe (8) and a second cooling liquid transmission valve (10) and a fourth cooling liquid transmission valve (8) are arranged at two ends of the fixed rods (7), one side of one of the control valves (14) is provided with a flow regulating valve (15).
2. The automated thermal induction blast furnace late stage spray cooling apparatus of claim 1, wherein: the lower extreme of second fixed connection ring (5) is provided with first fixed connection ring (2), the ring (3) is acceptd to the inside one side of first fixed connection ring (2) is provided with the coolant liquid, the inside that the ring (3) was acceptd to the coolant liquid all is provided with coolant liquid and stores chamber (4), the inside one side of coolant liquid storage chamber (4) is provided with temperature sensor (20), cyclic annular between second fixed connection ring (5) and first fixed connection ring (2) is provided with a plurality of connecting rod (6), and the both ends of connecting rod (6) respectively with second fixed connection ring (5), first fixed connection ring (2) welded fastening.
3. The automated thermal induction blast furnace late stage spray cooling apparatus of claim 2, wherein: the lower end of the first fixed connecting ring (2) is provided with a device bearing base (1), one side of the outer portion of the device bearing base (1) is provided with a second connecting transmission pipe (17), one side of the outer portion of the second connecting transmission pipe (17) is provided with a first pressure pump (18), two ends of the second connecting transmission pipe (17) are respectively in sealing connection with the cooling liquid containing ring (3) and the first connecting transmission pipe (13), and one side of the outer portion of the first connecting transmission pipe (13) is provided with a second pressure pump (19).
4. The automatic thermal induction blast furnace late stage spray cooling device of claim 3, wherein: the first cooling liquid transmission ring pipe (9), the second cooling liquid transmission ring pipe (10), the third cooling liquid transmission ring pipe (11) and the fourth cooling liquid transmission ring pipe (12) are annularly provided with a plurality of drain pipes (16) at the outer lower ends, the drain pipes (16) are hermetically connected with the first cooling liquid transmission ring pipe (9), the second cooling liquid transmission ring pipe (10), the third cooling liquid transmission ring pipe (11) and the fourth cooling liquid transmission ring pipe (12), and a first water flow limiting frame (21) is arranged on one side of the outer lower end of each drain pipe (16).
5. The automated thermal induction blast furnace late stage spray cooling apparatus of claim 4, wherein: one end of the first water flow limiting frame (21) is provided with a second water flow limiting frame (22), the second water flow limiting frame (22) and the first water flow limiting frame (21) are of an integrated structure, third water flow limiting frames (23) are arranged on two sides of the outer portion of the second water flow limiting frame (22), a first water discharge opening (25) is formed in the inner portion of each third water flow limiting frame (23), and the first water discharge opening (25) penetrates through and extends to two sides of each third water flow limiting frame (23).
6. The automatic thermal induction blast furnace late stage spray cooling device of claim 5, wherein: the water flow limiting device is characterized in that a fourth water flow limiting frame (24) is arranged on one side of the interior of the second water flow limiting frame (22), a third water outlet (27) is arranged in the middle of the interior of the fourth water flow limiting frame (24), the third water outlet (27) penetrates through and extends to two sides of the fourth water flow limiting frame (24), and second water outlets (26) are arranged on two sides of the exterior of the fourth water flow limiting frame (24).
7. The implementation method of the intelligent induction blast furnace late stage spray cooling equipment according to claim 6 is characterized in that: the method comprises the following steps:
s1: when the spraying equipment is used, the corresponding automatic induction infrared thermometers (8) are fixed through four fixing rods (7) which are distributed annularly, the outer wall of a blast furnace is detected through the automatic induction infrared thermometers (8), after the detected angle is higher than the set temperature, external cooling liquid is extracted through a second pressure pump (19) and is transmitted through a first connecting transmission pipe (13), the external cooling liquid flows into a first cooling liquid transmission ring pipe (9) and a third cooling liquid transmission ring pipe (11) or a second cooling liquid transmission ring pipe (10) and a fourth cooling liquid transmission ring pipe (12), the liquid flowing inside is limited by a control valve (14) outside the first cooling liquid transmission ring pipe (9) and the third cooling liquid transmission ring pipe (11) or the second cooling liquid transmission ring pipe (10) and the fourth cooling liquid transmission ring pipe (12) to face, the facing adjustment is carried out, the flow is limited by a flow regulating valve (15), and the flow direction and the flow quantity correspond to different temperatures in different directions;
s2: the cooling liquid is discharged and then contacts with the blast furnace, falls down due to the self gravity of the cooling liquid and flows to a cooling liquid storage cavity (4) inside a cooling liquid containing ring (3) attached to the blast furnace, and the temperature of the collected cooling liquid is detected by a water temperature sensor (20);
s3: when the temperature is lower than the set value, the collected cooling liquid is pumped by the second connecting transmission pipe (17) through the first pressurizing pump (18) and is conveyed to the interior of the first connecting transmission pipe (13) again when needed;
s4: after the coolant discharged from the drain pipe (16) is limited by the second water flow limiting frame (22), the coolant is limited by the third water flow limiting frame (23) and the fourth water flow limiting frame (24), and then the coolant is divided by the first drain port (25), the second drain port (26) and the third drain port (27), thereby increasing the contact area between the coolant and the blast furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211279321.0A CN115449576B (en) | 2022-10-19 | 2022-10-19 | Automatic heat induction blast furnace late spray cooling equipment and implementation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211279321.0A CN115449576B (en) | 2022-10-19 | 2022-10-19 | Automatic heat induction blast furnace late spray cooling equipment and implementation method |
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| CN115449576A true CN115449576A (en) | 2022-12-09 |
| CN115449576B CN115449576B (en) | 2023-06-20 |
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