CN115449576B - Automatic heat induction blast furnace late spray cooling equipment and implementation method - Google Patents
Automatic heat induction blast furnace late spray cooling equipment and implementation method Download PDFInfo
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- CN115449576B CN115449576B CN202211279321.0A CN202211279321A CN115449576B CN 115449576 B CN115449576 B CN 115449576B CN 202211279321 A CN202211279321 A CN 202211279321A CN 115449576 B CN115449576 B CN 115449576B
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention discloses automatic heat induction blast furnace late stage spray cooling equipment and an implementation method thereof, and belongs to the field of blast furnace late stage cooling. The device comprises a device bearing base, wherein one side of the upper end of the device bearing base is provided with a third cooling liquid transmission loop; and a second cooling liquid transmission loop is arranged at the upper end of the fourth cooling liquid transmission loop. The invention solves the problems that the existing spray cooling equipment needs to be checked manually and regularly in the actual use process, has high labor intensity, carries out temperature detection on different positions outside the blast furnace by the automatic induction infrared thermometers annularly distributed outside the first cooling liquid transmission loop and the second cooling liquid transmission loop, and is matched with the control valve and the flow regulating valve to respectively limit and regulate the flow direction and the flow rate of water flow, actively dissipates heat according to the temperature and the position, and improves the heat dissipation effect and the heat dissipation accuracy.
Description
Technical Field
The invention relates to the field of late cooling of blast furnaces, in particular to automatic heat induction blast furnace late spray cooling equipment and an implementation method.
Background
In the blast furnace ironmaking production process, the inner side of the blast furnace shell is provided with a water cooling wall for continuous water cooling, so that the surface temperature of the blast furnace shell is reduced, the stable operation of production is ensured, and in the late stage of the furnace service of the blast furnace, the cooling system of the blast furnace is difficult to ensure the continuous stable cooling effect required under the working condition of the late stage of the furnace service, so that a plurality of layers of spray cooling water pipes are arranged on the outer side of the blast furnace shell, and spray cooling equipment is designed according to the cooling requirement in the blast furnace ironmaking production process;
the Chinese patent with the publication number of CN215572275U discloses spray cooling equipment with water quantity 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 at 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 spray pipe, a second spray pipe, a lug and a slide bar, the second spray pipe is arranged on the inner side wall of the cooling tower main body, the right side of the first spray pipe is provided with the lug, and air inlets are formed in two sides of the cooling tower main body. This spray cooling equipment with adjust water yield size function is provided with receipts water block, conveyer belt and second motor, and second motor accessible conveyer belt drives a plurality of receipts water blocks and rotates simultaneously, and the higher efficiency of being convenient for blocks vapor in the air, reduces the loss of 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, so that the manual control valve needs to be checked periodically, when the temperature is found to be high, the valve is opened, water is sprayed for cooling, and the manual check mode has a certain degree of hidden danger, if the manual check mode is not found timely, the short-term temperature rise is fast, the potential safety hazard is brought to the production of the blast furnace, and the manual check is needed frequently, so that the labor intensity is high; therefore, the existing requirements are not met, and for this reason we propose an automatic heat induction blast furnace late stage spray cooling device and implementation method.
Disclosure of Invention
The invention aims to provide automatic heat induction blast furnace late spray cooling equipment and an implementation method, wherein the automatic heat induction infrared thermometers distributed annularly outside a first cooling liquid transmission loop and a second cooling liquid transmission loop are used for detecting temperatures at different positions outside a blast furnace, so that the temperatures at different positions can be detected, when the temperatures at corresponding positions are higher than a set value, the corresponding second booster pump can be used for pumping external cooling liquid and respectively limiting and adjusting the flow direction and flow rate of water flow, and the control valve and the flow regulating valve are matched for actively radiating the heat according to the temperatures and the positions, so that manual detection is avoided, the flow direction and flow rate of water flow are avoided being manually adjusted, the radiating effect and radiating accuracy are improved, and the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the automatic heat induction blast furnace late stage spray cooling equipment comprises a device bearing base, wherein one side of the upper end of the device bearing base is provided with a third cooling liquid transmission loop, and the other side of the upper end of the device bearing base is provided with a fourth cooling liquid transmission loop; the cooling device comprises a first cooling liquid transmission loop, a second cooling liquid transmission loop and a third cooling liquid transmission loop, wherein the first cooling liquid transmission loop is arranged at the upper end of the third cooling liquid transmission loop, the second cooling liquid transmission loop and the fourth cooling liquid transmission loop are connected with each other in a sealing mode through a first connecting transmission pipe, a second fixed connection ring is arranged outside the third cooling liquid transmission loop, the second fixed connection ring is welded and fixed with the third cooling liquid transmission loop and the fourth cooling liquid transmission loop, four fixing rods are annularly arranged outside the second fixed connection ring, one ends of the four fixing rods are provided with automatic induction infrared thermometers, and control valves are arranged at two ends of the first cooling liquid transmission loop, the second cooling liquid transmission loop, the third cooling liquid transmission loop and the fourth cooling liquid transmission loop, one side of the control valve is provided with a flow regulating valve.
Preferably, the lower extreme of second fixed connection ring is provided with first fixed connection ring, one side of first fixed connection ring inside is provided with the coolant liquid and accepts the ring, the inside of coolant liquid acceping the ring all is provided with the coolant liquid and stores the chamber, one side of coolant liquid storing the intracavity portion is provided with water temperature sensor, annular being provided with a plurality of connecting rod between second fixed connection ring and the first fixed connection ring, and the both ends of connecting rod respectively with second fixed connection ring, first fixed connection ring welded fastening.
Preferably, the lower extreme of first fixed connection ring is provided with the device and bears the base, the device bears the outside one side of base and is provided with the second and connects the transmission tube, the outside one side of second connection transmission tube is provided with first force (forcing) pump, and the both ends of second connection transmission tube respectively with coolant liquid acceping ring and first connection transmission tube sealing connection, the outside one side of first connection transmission tube is provided with the second force (forcing) pump.
Preferably, the lower ring outside 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 is annularly provided with a plurality of drain pipes, the drain pipes are in sealing connection 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 one side of the lower end outside the drain pipes is provided with a first water flow limiting frame.
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, both sides of the outer portion of the second water flow limiting frame are provided with third water flow limiting frames, a first water outlet is formed in the inner portion of the third water flow limiting frame, and the first water outlet penetrates through and extends to both sides of the third water flow limiting frame.
Preferably, a fourth water flow limiting frame is arranged on one side of the inside of the second water flow limiting frame, a third water outlet is arranged in the middle of the inside of the fourth water flow limiting frame, the third water outlet penetrates through and extends to two sides of the fourth water flow limiting frame, and second water outlets are formed in two sides of the outside of the fourth water flow limiting frame.
The invention also provides another technical scheme: the implementation method of the automatic heat induction blast furnace late stage spray cooling equipment comprises the following steps:
s1: when the spraying equipment is used, the corresponding automatic induction infrared thermometers are fixed through four annularly distributed fixing rods, the automatic induction infrared thermometers are used for detecting the outer wall of the blast furnace, after the detected temperature is higher than the set temperature, the second pressurizing pump is used for pumping external cooling liquid, the external cooling liquid is transmitted by the first connecting transmission pipe and flows into the first cooling liquid transmission loop and the third cooling liquid transmission loop or the second cooling liquid transmission loop and the fourth cooling liquid transmission loop respectively, the control valves outside the first cooling liquid transmission loop and the third cooling liquid transmission loop or the second cooling liquid transmission loop and the fourth cooling liquid transmission loop are used for limiting the direction of liquid flowing inside, the direction is adjusted, the flow quantity is limited by the flow regulating valve, and the flow direction and the flow quantity are corresponding to different temperatures with different directions;
s2: the cooling liquid is discharged and then contacts the blast furnace, and falls down due to the gravity of the cooling liquid and flows into a cooling liquid storage cavity in the cooling liquid containing ring attached to the blast furnace, 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 second connecting transmission pipe is used for pumping the collected cooling liquid through the first pressurizing pump, and the cooling liquid is conveyed into the first connecting transmission pipe again when required;
s4: the cooling liquid discharged by the drain pipe is limited by the second water flow limiting frame, and is divided by the first water outlet, the second water outlet and the third water outlet after being limited by the third water flow limiting frame and the fourth water flow limiting frame, so that the contact area of the cooling liquid and the blast furnace is improved.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the third cooling liquid transmission loop is arranged on one side of the inside of the second fixed connection loop, the fourth cooling liquid transmission loop is arranged on the other side of the inside of the second fixed connection loop, the second cooling liquid transmission loop is arranged at the upper end of the fourth cooling liquid transmission loop, in the actual use process, the temperature of different positions outside the blast furnace is detected by the automatic induction infrared thermometers annularly distributed outside the first cooling liquid transmission loop and the second cooling liquid transmission loop, the temperature of different positions can be detected, when the temperature of the corresponding position is higher than a set value, the external cooling liquid can be pumped by the corresponding second booster pump, the flow direction and the flow rate of water flow are respectively limited and adjusted by matching with the control valve and the flow regulating valve, the active heat dissipation is carried out aiming at the temperature and the position, the manual detection is avoided, the manual adjustment of the flow direction and the flow rate are avoided, and the heat dissipation effect and the heat dissipation accuracy are improved.
2. According to the invention, the cooling liquid containing ring is arranged on one side of the inner part of the first fixed connecting ring, the cooling liquid storage cavity is arranged at the lower end of the inner part of the cooling liquid containing ring, the water temperature sensor is arranged on one side of the inner part of 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 pressurizing pump is arranged on one side of the outer part of the second connecting transmission pipe, and in the actual heat dissipation process, the cooling liquid discharged by the drain pipe contacts the outer wall of the blast furnace and slides downwards due to gravity, finally, the cooling liquid is collected by the cooling liquid containing ring attached to the outer part of the blast furnace and is collected through detection of the water temperature sensor, so that the first pressurizing pump can be conveniently pumped and reused for cooling with lower temperature, excessive cooling liquid is avoided from being consumed by cooling, and resource waste is avoided.
3. According to the invention, the first water flow limiting frames are arranged on one side of the lower ends of the outer parts of the plurality of water drainage pipes, the second water flow limiting frames are arranged at one ends of the first water flow limiting frames, the third water flow limiting frames are arranged on two sides of the outer parts of the second water flow limiting frames, the first water drainage openings are arranged in the third water flow limiting frames, the second water drainage openings are arranged at the lower ends of the outer parts of the second water flow limiting frames, and in the process of actually using and cooling, the cooling liquid discharged through the water drainage pipes is limited and collected through the second water flow limiting frames and the third water flow limiting frames, and then the discharged cooling liquid is shunted and discharged through the first water drainage openings and the second water drainage openings, so that the cooling liquid can comprehensively contact a blast furnace, the contact area is increased, the heat dissipation effect and the cooling effect are improved, the service life of the blast furnace is prolonged, and the damage of the device caused by high long-time temperature is avoided.
Drawings
FIG. 1 is a front view of the overall exterior 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 showing the positional relationship between the first water flow restriction frame and the drain pipe according to the present invention.
In the figure: 1. a device carrying base; 2. a first fixed connection ring; 3. a cooling liquid containing ring; 4. a cooling liquid storage chamber; 5. a second fixed connection ring; 6. a connecting rod; 7. a fixed rod; 8. automatically sensing an infrared thermometer; 9. a first coolant delivery loop; 10. a second coolant delivery loop; 11. a third coolant delivery loop; 12. a fourth coolant delivery loop; 13. a first connecting transmission pipe; 14. a control valve; 15. a flow regulating valve; 16. a drain pipe; 17. the second connecting transmission pipe; 18. a first pressurizing pump; 19. a second pressurizing pump; 20. a water temperature sensor; 21. a first water flow restriction frame; 22. a second water flow restriction frame; 23. a third water flow restriction frame; 24. a fourth water flow restriction frame; 25. a first drain port; 26. a second drain port; 27. and a third drain port.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For further understanding of the present invention, please refer to fig. 1, 2 and 3, the present embodiment provides the following technical solutions:
the utility model provides an automatic heat-induction blast furnace late stage sprays cooling arrangement, includes that the device bears base 1, and one side that the device bears base 1 upper end is provided with third coolant liquid transmission ring canal 11, and the opposite side that the device bears base 1 upper end is provided with fourth coolant liquid transmission ring canal 12.
The automatic induction type infrared temperature measuring device comprises a first cooling liquid transmission loop pipe (9), a second cooling liquid transmission loop pipe (10), a third cooling liquid transmission loop pipe (11), a fourth cooling liquid transmission loop pipe (12), a first connecting transmission pipe (13) and a control valve (14), wherein the first cooling liquid transmission loop pipe (9) is arranged at the upper end of the third cooling liquid transmission loop pipe (11), the second cooling liquid transmission loop pipe (10) is arranged at the upper end of the fourth cooling liquid transmission loop pipe (12), the second cooling liquid transmission loop pipe (10) and the fourth cooling liquid transmission loop pipe (12) are connected with each other in a sealing mode through the first connecting transmission pipe (13), a second fixed connection ring (5) is arranged at the outer portion of the third cooling liquid transmission loop pipe (11), the second fixed connection ring (5) is welded and fixed with the third cooling liquid transmission loop pipe (11) and the fourth cooling liquid transmission loop pipe (12), four fixing rods (7) are annularly arranged at the outer portion of the second fixed connection ring (5), automatic induction infrared temperature measuring devices (8) are arranged at one ends of the four fixing rods (7), control valves (14) are arranged at two ends of the first cooling liquid transmission loop pipe (10, the third cooling liquid transmission loop pipe (11) and the fourth cooling liquid transmission loop pipe (12), and the control valve (12) respectively, and one side of the control valve (14) is provided with a flow regulating valve (15).
In order to solve the technical problems that the existing spray cooling equipment is provided with a manual control valve on a main pipe in the actual use process, the manual control valve needs to be checked periodically, when the temperature is found to be higher, the valve is opened, water is sprayed for cooling, a certain degree of hidden danger exists in the manual checking mode, if the manual control valve is not timely found, the short-term temperature rise is quicker, the hidden danger is brought to the production of a blast furnace, manual frequent inspection is needed, the labor intensity is high, and the following technical scheme is provided in the embodiment, referring to fig. 1 and 2:
the lower extreme of second fixed connection ring 5 is provided with first fixed connection ring 2, and one side of first fixed connection ring 2 inside is provided with coolant liquid and acceptors ring 3, and the inside of coolant liquid acceptors ring 3 all is provided with coolant liquid and stores chamber 4, and one side of coolant liquid inside storing chamber 4 is provided with temperature sensor 20, is provided with a plurality of connecting rod 6 between second fixed connection ring 5 and the first fixed connection ring 2 in the annular, and the both ends of connecting rod 6 respectively with second fixed connection ring 5 and first fixed connection ring 2 welded fastening.
Specifically, the cooling liquid is collected by the cooling liquid containing ring 3 and discharged towards different positions, and the cooling liquid containing ring is reused, so that the heat dissipation effect and the cooling efficiency are improved.
Referring to fig. 1 and 2, in this embodiment, a device bearing base 1 is disposed at a lower end of a first fixed connection ring 2, a second connection transmission pipe 17 is disposed at one side of an outer portion of the device bearing base 1, a first pressurizing pump 18 is disposed at one side of an outer portion of the second connection transmission pipe 17, and two ends of the second connection transmission pipe 17 are respectively connected with a cooling liquid containing ring 3 and the first connection transmission pipe 13 in a sealing manner, and a second pressurizing pump 19 is disposed at one side of an outer portion of the first connection transmission pipe 13.
Under normal production conditions, the water supply of the system is pressure water supply, and under the condition that the water supply pressure of cooling water is insufficient, the first booster pump 18 and the second booster pump 19 are adopted for pressurized water supply, so that the pressure requirement of spray water can be met.
Specifically, the cooling liquid collected by the cooling liquid containing ring 3 can be cooled down by repeated use of ice by the extraction 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 outer lower ends of the first cooling liquid transmission loop 9, the second cooling liquid transmission loop 10, the third cooling liquid transmission loop 11 and the fourth cooling liquid transmission loop 12, and the drain pipes 16 are in sealing connection with the first cooling liquid transmission loop 9, the second cooling liquid transmission loop 10, the third cooling liquid transmission loop 11 and the fourth cooling liquid transmission loop 12, and a first water flow limiting frame 21 is disposed at one side of the outer lower end of the drain pipes 16.
Specifically, the cooling of the transfer can be directly transferred by the drain pipe 16 and then can directly contact the blast furnace, thereby improving the heat dissipation effect.
Referring to fig. 1 and 3, in the present embodiment, a second water flow limiting frame 22 is disposed at one end of the first water flow limiting frame 21, the second water flow limiting frame 22 and the first water flow limiting frame 21 are integrally formed, a third water flow limiting frame 23 is disposed at two sides of the outer portion of the second water flow limiting frame 22, a first water outlet 25 is disposed in the third water flow limiting frame 23, and the first water outlet 25 penetrates and extends to two sides of the third water flow limiting frame 23.
Specifically, the split liquid may pass through the first drain opening 25 and contact the blast furnace, improving a heat dissipation area and a 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 in the middle of the inside of the fourth water flow limiting frame 24, and the third water outlet 27 penetrates and extends to two sides of the fourth water flow limiting frame 24, and two sides of the outside of the fourth water flow limiting frame 24 are both provided with second water outlets 26.
Specifically, the water flow can be limited and split after being limited 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, in order to further better explain the embodiment of the present invention, there is also provided a method for implementing an automatic heat induction blast furnace late stage spray cooling device, comprising the steps of:
s1: when the spraying equipment is used, in order to enable the equipment to detect different high temperatures of different positions and different angles, the corresponding automatic induction infrared thermometers 8 are fixed through four annularly distributed fixing rods 7, the automatic induction infrared thermometers 8 are used for detecting the outer wall of the blast furnace, after the detected temperature is higher than the set temperature, one second pressurizing pump 19 is used for pumping external cooling liquid and respectively flowing into the first cooling liquid transmission loop 9 and the third cooling liquid transmission loop 11 or the second cooling liquid transmission loop 10 and the fourth cooling liquid transmission loop 12 after being transmitted by the first connecting transmission pipe 13, the control valves 14 outside the first cooling liquid transmission loop 9 and the third cooling liquid transmission loop 11 or the second cooling liquid transmission loop 10 and the fourth cooling liquid transmission loop 12 are used for limiting the direction of liquid flowing inside, the flow rate is regulated by the flow regulating valve 15, and the flow direction and the flow quantity are corresponding to different temperatures in different directions;
s2: in order to avoid the waste of cooling caused by long-time cooling, the cooling liquid is discharged and then contacts the blast furnace, the cooling liquid falls down due to the gravity of the cooling liquid and flows to the cooling liquid storage cavity 4 inside the cooling liquid containing ring 3 attached to the blast furnace, 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 conveyed into the first connecting transmission pipe 13 again when needed;
s4: in order to improve the cooling effect in the practical use process of the device, the cooling liquid discharged by the drain pipe 16 is limited by the second water flow limiting frame 22, and is split by the first water outlet 25, the second water outlet 26 and the third water outlet 27 after being limited by the third water flow limiting frame 23 and the fourth water flow limiting frame 24, so that the contact area between cooling and the blast furnace is improved, and the heat dissipation effect and the cooling efficiency are improved.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An automatic heat-sensitive blast furnace late stage spray cooling device, which is characterized in that: the device comprises a device bearing base (1), one side of the upper end of the device bearing base (1) is provided with a third cooling liquid transmission ring pipe (11), the other side of the upper end of the device bearing base (1) is provided with a fourth cooling liquid transmission ring pipe (12), the device bearing base further comprises a first cooling liquid transmission ring pipe (9), the device is arranged at the upper end of the third cooling liquid transmission ring pipe (11), the upper end of the fourth cooling liquid transmission ring pipe (12) is provided with a second cooling liquid transmission ring pipe (10), the second cooling liquid transmission ring pipe (10) is connected with the fourth cooling liquid transmission ring pipe (12) and the first cooling liquid transmission ring pipe (9) and the third cooling liquid transmission ring pipe (11) in a sealing mode through a first connecting transmission pipe (13), the outer portion of the third cooling liquid transmission ring pipe (11) is provided with a second fixed connection ring (5), the inner portion of the second fixed connection ring (5) is fixedly welded with the third cooling liquid transmission ring pipe (11) and the fourth cooling liquid transmission ring pipe (12), the outer portion of the second fixed connection ring (5) is provided with four outer ring-shaped fixing rods (7), the fourth cooling liquid transmission ring pipe (11) is provided with an automatic induction meter, and one end of the second cooling liquid transmission ring pipe (8) is provided with a temperature detector (7) Control valves (14) are arranged at two ends of the third cooling liquid transmission loop (11) and the fourth cooling liquid transmission loop (12), and a flow regulating valve (15) is arranged at one side of one control valve (14);
the lower end of the second fixed connection ring (5) is provided with a first fixed connection ring (2), one side of the inside of the first fixed connection ring (2) is provided with a cooling liquid containing ring (3), the inside of the cooling liquid containing ring (3) is provided with a cooling liquid storage cavity (4), one side of the inside of 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 connection ring (5) and the first fixed connection ring (2), and two ends of each connecting rod (6) are respectively welded and fixed with the second fixed connection ring (5) and the first fixed connection ring (2);
the lower end of the first fixed connection ring (2) is provided with a device bearing base (1), one side of the outer part of the device bearing base (1) is provided with a second connection transmission pipe (17), one side of the outer part of the second connection transmission pipe (17) is provided with a first pressurizing pump (18), two ends of the second connection transmission pipe (17) are respectively in sealing connection with the cooling liquid containing ring (3) and the first connection transmission pipe (13), and one side of the outer part of the first connection transmission pipe (13) is provided with a second pressurizing pump (19);
the cooling device comprises a first cooling liquid transmission loop (9), a second cooling liquid transmission loop (10), a third cooling liquid transmission loop (11) and a fourth cooling liquid transmission loop (12), wherein a plurality of drain pipes (16) are annularly arranged at the outer lower ends of the first cooling liquid transmission loop, the second cooling liquid transmission loop (10), the third cooling liquid transmission loop (11) and the fourth cooling liquid transmission loop (12), the drain pipes (16) are in sealing connection with the first cooling liquid transmission loop (9), the second cooling liquid transmission loop (10), the third cooling liquid transmission loop (11) and the fourth cooling liquid transmission loop (12), and a first water flow limiting frame (21) is arranged at one side of the outer lower ends of the drain pipes (16);
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, both sides of the outer part of the second water flow limiting frame (22) are provided with third water flow limiting frames (23), the inner part of the third water flow limiting frames (23) is provided with a first water outlet (25), and the first water outlet (25) penetrates through and extends to both sides of the third water flow limiting frames (23);
a fourth water flow limiting frame (24) is arranged on one side of the inside of the second water flow limiting frame (22), a third water outlet (27) is arranged in the middle of the inside 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 formed in two sides of the outside of the fourth water flow limiting frame (24).
2. A method of implementing the auto-thermal induction blast furnace late spray cooling apparatus of claim 1, wherein: the method comprises the following steps:
s1: when the spraying equipment is used, the corresponding automatic induction infrared thermometers (8) are fixed through four annularly distributed fixing rods (7), the automatic induction infrared thermometers (8) are used for detecting the outer wall of the blast furnace, after the detected temperature is higher than the set temperature, the second pressurizing pump (19) is used for pumping external cooling liquid, the external cooling liquid is transmitted by the first connecting transmission pipe (13), and then flows into the first cooling liquid transmission loop (9) and the third cooling liquid transmission loop (11) or the second cooling liquid transmission loop (10) and the fourth cooling liquid transmission loop (12) respectively, and the control valve (14) outside the first cooling liquid transmission loop (9) and the third cooling liquid transmission loop (11) or the second cooling liquid transmission loop (10) and the fourth cooling liquid transmission loop (12) is used for limiting the direction of the liquid flowing inside and limiting the flow quantity by the flow regulating valve (15);
s2: the cooling liquid is discharged and then contacts the blast furnace, and falls down due to the gravity of the cooling liquid and flows into a cooling liquid storage cavity (4) in 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 second connecting transmission pipe (17) is used for pumping the collected cooling liquid through the first pressurizing pump (18) and conveying the cooling liquid into the first connecting transmission pipe (13) again when the cooling liquid is needed;
s4: the cooling liquid discharged from the drain pipe (16) is limited by the second water flow limiting frame (22), and is divided by the first water outlet (25), the second water outlet (26) and the third water outlet (27) after being limited by the third water flow limiting frame (23) and the fourth water flow limiting frame (24), so that the contact area between the cooling liquid and the blast furnace is increased.
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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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| 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 CN115449576A (en) | 2022-12-09 |
| CN115449576B true CN115449576B (en) | 2023-06-20 |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT78479B (en) * | 1913-03-20 | 1919-09-25 | Karl Theodor Schroeder | Double-tube sprinkler condenser, evaporator or cooler. |
| US5407606A (en) * | 1994-01-10 | 1995-04-18 | Tennessee Valley Authority | Oriented spray-assisted cooling tower |
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