Rotary dedusting and cooling device for blast furnace gas

Abstract

The invention discloses a blast furnace gas rotary dedusting and cooling device which comprises a cooling box and a cooling tank, one side of the cooling box is fixedly connected with a circulating pump, the output end of the circulating pump is fixedly connected with a cooling pipe, a blast furnace gas pipe is arranged in the cooling pipe in a sleeved mode, one end of the blast furnace gas pipe is fixedly connected with the cooling tank, and the other end of the blast furnace gas pipe is fixedly connected with the cooling tank. A fixed pipe is fixedly connected to the middle of the interior of the cooling tank, a spiral pipe is fixedly connected to the bottom end of the fixed pipe, a circulating groove is formed in the spiral pipe, and a connecting pipe is connected to the end of the circulating groove. Gas is discharged through the blast furnace gas pipe, in the discharging process, a water source in the cooling box is pumped out through the circulating pump, circulating circulation is completed through the cooling pipe, the gas in the blast furnace gas pipe can be primarily cooled in the circulation process, and the cooled gas flows into the cooling tank; and the re-cooling effect is completed through an internal water source of the cooling tank.

Description

Technical Field

[0001] The invention relates to the technical field of blast furnace ironmaking, in particular to a blast furnace gas rotary dust removal and cooling device. Background Art

[0002] Blast furnace gas is a combustible gas produced as a byproduct during the blast furnace ironmaking process. Its main components are 6-22% carbon dioxide, 21-26% carbon monoxide, 1-4% hydrogen, 53-57% nitrogen, 0.2-0.5% hydrocarbons and a small amount of sulfur dioxide. Its dust concentration is 10-50 grams per cubic meter (standard conditions), and the average dust production is 50kg / t (pig iron) -75kg / t (pig iron). The dust particle size is below 500μm, mainly iron, ferrous oxide, aluminum oxide, silicon oxide, magnesium oxide and coke powder.

[0003] This gas containing combustible carbon monoxide is a low calorific value gas fuel that can be used for self-use by metallurgical enterprises, such as heating hot-rolled steel ingots, preheating ladles, etc. It can also be supplied to civilians. If coke oven gas is added, it is called "mixed gas", which increases the calorific value.

[0004] The boiler gas in the prior art has a high temperature during the discharge process and needs to be cooled to facilitate dust removal operations. However, the traditional method is water cooling. However, water cooling will transfer heat to the water source to increase the temperature. However, after the water source is heated, it needs to be cooled again before it can be used. Therefore, energy consumption is increased, the cooling efficiency is low, and efficient cooling cannot be achieved, which is inconvenient to use.

[0005] For example, patent CN216727707U discloses a dry electrostatic precipitator for blast furnace gas, which includes an electrostatic precipitator, a cooling water tank is provided on one side of the electrostatic precipitator, and a connecting pipe is provided between the cooling water tank and the electrostatic precipitator, a flue gas duct is provided inside the cooling water tank, and the flue gas duct is a "U"-shaped structure, an air inlet and an air outlet are provided at the upper end of the cooling water tank, and the upper end of the flue gas duct is respectively connected with the air inlet and the air outlet, a cooling water pipe is provided outside the flue gas duct, and the cooling water pipe is a spiral structure, a water injection pipe is installed at the upper end of the interior of the cooling water tank, and the water injection pipe is connected to the upper end of the cooling water pipe, and the lower end of the cooling water pipe is connected to a water outlet pipe, and the water outlet pipe is located on the side of the cooling water tank. Summary of the invention

[0006] In view of the shortcomings of the prior art, the present invention provides a blast furnace gas rotary dust removal and cooling device to achieve the purpose of low energy consumption and high cooling efficiency.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] The blast furnace gas rotary dust removal and cooling device comprises: a cooling box and a cooling tank, one side of the cooling box is fixedly connected with a circulation pump, the output end of the circulation pump is fixedly connected with a cooling pipe, a blast furnace gas pipe is sleeved inside the cooling pipe, one end of the blast furnace gas pipe is fixedly connected with the cooling tank, a fixed pipe is fixedly connected in the middle of the cooling tank, a spiral pipe is fixedly connected at the bottom end of the fixed pipe, a circulation groove is opened inside the spiral pipe, the end of the circulation groove is connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a circulation water pipe, one end of the circulation water pipe is fixedly connected with a small water tank, one side of the small water tank is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a return pipe, and one end of the return pipe is fixedly connected to the cooling box.

[0009] Preferably, both sides of the top of one end of the cooling box are fixedly connected with a fixed motor, and the driving end of the fixed motor is fixedly connected with the first fan.

[0010] Preferably, a motor box is provided on one side of the spiral tube, a fixing frame is fixedly connected to the top of the motor box, and a second fan is rotatably fitted inside the fixing frame.

[0011] Preferably, the second fan and the front driving end of the motor box are both fixedly connected with a pulley, and the outer part of the pulley is provided with a belt body.

[0012] Preferably, a filter cover is fixedly connected to the top end of the fixed tube.

[0013] Preferably, an exhaust pipe is fixedly connected to the top of the cooling tank, and a water inlet pipe is fixedly connected between the cooling box and the cooling tank.

[0014] Preferably, a drain pipe is fixedly connected to the bottom end of one side of the cooling tank, and a solenoid valve is provided inside the drain pipe.

[0015] Preferably, an inclined plate is fixedly connected to the inner bottom end of the cooling tank.

[0016] Preferably, an integrated seat is provided on the outer side of the top of the cooling box, and the fixed motor is arranged on the integrated seat.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. The present invention is provided with: a blast furnace gas pipe, a cooling box, a cooling pipe and a cooling tank. The blast furnace gas pipe discharges gas. During the discharge process, a circulating pump extracts the internal water source of the cooling box, and circulates through the cooling pipe. During the circulation process, the internal gas of the blast furnace gas pipe can be initially cooled. The cooled gas flows into the interior of the cooling tank and is cooled again through the internal water source of the cooling tank. The cooling of the blast furnace gas is completed through this structure. Multiple cooling is efficient, and an efficient heat dissipation effect is achieved. Low-cost and high-efficiency heat dissipation work is achieved, and the use cost is reduced.

[0019] 2. The present invention is provided with: a cooling tank and an exhaust pipe. During the cooling process, impurities will be precipitated inside the cooling tank and then discharged upward through the gas. During the discharge process, the gas will be discharged through the exhaust pipe, thereby completing the cooling and discharge of the gas. In addition, the gas can also achieve a filtering effect when passing through the water source, filtering and precipitating impurities in the gas, and completing the dust removal effect.

[0020] 3. The present invention is provided with: a cooling tank, a spiral tube, a circulation groove, a motor box and a second fan. When the internal water source of the cooling tank is heated up, the water source can penetrate into the interior of the fixed tube through the filter cover, and then flow downward to the interior of the inner circulation groove of the spiral tube. Then, through the spiral setting of the spiral tube, the water source can be spirally circulated. During the circulation process, the driving end of the motor box can drive the rotation of the pulley, and during the rotation process, the belt body is driven to rotate, and after the rotation, the second fan is driven to rotate. The external air is introduced through the second fan, and after the introduction, the gas flows to the surface of the spiral tube to blow the heat to achieve the heat dissipation effect.

[0021] 4. The present invention is provided with: a reflux pipe, a cooling box and a water inlet pipe. The reflux is returned to the interior of the cooling box through the reflux pipe. At the same time, the reflux circulation function is completed between the cooling box and the cooling tank through the water inlet pipe. At this time, the internal wastewater of the cooling tank can discharge impurities and mixed wastewater through the drain pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The following is a brief description of the contents and symbols in the drawings of this specification:

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the side three-dimensional structure of the present invention;

[0025] Figure 3 For the present invention Figure 1 A is an enlarged schematic diagram;

[0026] Figure 4 For the present invention Figure 2The enlarged schematic diagram of point B in FIG.

[0027] Figure 5 It is a schematic front view of a cross section of a cooling tank of the present invention;

[0028] Figure 6 It is an enlarged schematic diagram of the spiral tank structure of the present invention.

[0029] In the figure:

[0030] 1. Cooling box; 2. Reflux pipe; 3. Water inlet pipe; 4. Cooling tank; 5. Exhaust pipe; 6. First fan; 7. Fixed motor; 8. Blast furnace gas pipe; 9. Cooling pipe; 10. Small water tank; 11. Circulating water pipe; 12. Drain pipe; 13. Spiral pipe; 14. Motor box; 15. Belt body; 16. Fixed frame; 17. Second fan; 18. Pulley; 19. Circulation slot; 20. Connecting pipe; 21. Inclined plate; 22. Solenoid valve; 23. Fixed pipe; 24. Filter cover. DETAILED DESCRIPTION

[0031] The specific implementation modes of the present invention will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0032] Embodiment 1:

[0033] like Figure 1-6As shown, an embodiment of the present invention provides a blast furnace gas rotary dust removal cooling device, including: a cooling box 1 and a cooling tank 4, one side of the cooling box 1 is fixedly connected with a circulation pump, the output end of the circulation pump is fixedly connected with a cooling pipe 9, and the circulation is completed through the cooling pipe 9, and the internal gas of the blast furnace gas pipe 8 can be initially cooled during the circulation process, the cooling pipe 9 is internally sleeved with a blast furnace gas pipe 8, and the gas is discharged through the blast furnace gas pipe 8, and the circulation pump extracts the internal water source of the cooling box 1 during the discharge process, and one end of the blast furnace gas pipe 8 is fixedly connected with the cooling tank 4, when the internal water of the cooling tank 4 After the temperature of the source is raised, the water source can penetrate into the interior of the fixed pipe 23 through the filter cover 24, and the cooled gas flows into the interior of the cooling tank 4, and the internal water source of the cooling tank 4 completes the cooling effect again. The gas can also achieve a filtering effect when passing through the water source, filtering and precipitating impurities in the gas. During the cooling process, the impurities will be precipitated in the interior of the cooling tank 4, and then discharged upward through the gas. The interior of the cooling tank 4 is fixedly connected with a fixed pipe 23, and the bottom end of the fixed pipe 23 is fixedly connected with a spiral pipe 13, which is discharged to the interior of the inner flow groove 19 of the spiral pipe 13 through downward flow, and then passes through the spiral pipe 13 The spiral setting can circulate the water source in a spiral. A circulation groove 19 is opened inside the spiral tube 13. The end of the circulation groove 19 is connected to a connecting pipe 20. The water source cooled after heat dissipation will enter the interior of the connecting pipe 20 and flow to the interior of the small water tank 10 through the circulation water pipe 11. One end of the connecting pipe 20 is fixedly connected to the circulation water pipe 11. One end of the circulation water pipe 11 is fixedly connected to the small water tank 10. One side of the interior of the small water tank 10 is fixedly connected to a water pump. The output end of the water pump is fixedly connected to a reflux pipe 2. The water flows to the interior of the small water tank 10 through the circulation water pipe 11, and then the water source is pumped out by the water pump. , and flows back to the interior of the cooling box 1 through the reflux pipe 2. One end of the reflux pipe 2 is fixedly connected to the cooling box 1. A motor box 14 is provided on one side of the spiral tube 13. During the circulation process, the driving end of the motor box 14 can drive the rotation of the pulley 18, and the belt body 15 is driven to rotate during the rotation process, and the second fan 17 is driven to rotate after the rotation. The top of the motor box 14 is fixedly connected with a fixing frame 16, and the internal rotation of the fixing frame 16 is coordinated with the second fan 17. The external air is introduced through the second fan 17, and after the introduction, the gas circulates to the surface of the spiral tube 13 to blow the heat to achieve the heat dissipation effect.

[0034] A fixed motor 7 is fixedly connected to both sides of the top of one end of the cooling box 1, and a first fan 6 is fixedly connected to the driving end of the fixed motor 7. The first fan 17 can blow the hot air flowing upward from the surface of the cooling box 1 to achieve a heat dissipation effect; further, an integrated seat is provided on the outer side of the top of the cooling box, and the fixed motor is fixed on the integrated seat, and the structure is stable and reliable; the second fan 17 and the front driving end of the motor box 14 are fixedly connected to a pulley 18, and the outer sleeve of the pulley 18 is provided with a belt body 15, and the top of the fixed pipe 23 is fixedly connected to a filter cover 24, and the top of the cooling tank 4 is fixedly connected to an exhaust pipe 5, and a water inlet pipe 3 is fixedly connected between the cooling box 1 and the cooling tank 4, and a reflux circulation function is completed between the cooling box 1 and the cooling tank 4 through the water inlet pipe 3, and a drain pipe 12 is fixedly connected to the bottom end of one side of the cooling tank 4, and the internal wastewater of the cooling tank 4 can discharge impurities and mixed wastewater through the drain pipe 12, and an electromagnetic valve 22 is provided inside the drain pipe 12, and an inclined plate 21 is fixedly connected to the internal bottom end of the cooling tank 4.

[0035] Embodiment 2:

[0036] The present embodiment is different from the first embodiment in that: a blast furnace gas rotary dust removal cooling device comprises: a cooling box 1 and a cooling tank 4, one side of the cooling box 1 is fixedly connected with a circulation pump, the circulation of water source is increased by the circulation pump, the output end of the circulation pump is fixedly connected with a cooling pipe 9, the circulation is completed by the cooling pipe 9, and the internal gas of the blast furnace gas pipe 8 can be initially cooled during the circulation process, the cooling pipe 9 is internally sleeved with a blast furnace gas pipe 8, the gas is discharged through the blast furnace gas pipe 8, and the circulation pump extracts the internal water source of the cooling box 1 during the discharge process, one end of the blast furnace gas pipe 8 is fixedly connected with the cooling tank 4, when the internal water source of the cooling tank 4 heats up After that, the water source can penetrate into the interior of the fixed pipe 23 through the filter cover 24, and the cooled gas flows into the interior of the cooling tank 4, and completes the re-cooling effect through the internal water source of the cooling tank 4. The gas can also achieve a filtering effect when passing through the water source, filtering and precipitating impurities in the gas. During the cooling process, the impurities will be precipitated in the interior of the cooling tank 4, and then discharged upward through the gas. The interior of the cooling tank 4 is fixedly connected with a fixed pipe 23, and the bottom end of the fixed pipe 23 is fixedly connected with a spiral pipe 13, which is discharged into the interior of the inner flow groove 19 of the spiral pipe 13 through downward flow, and then the water source can be spirally circulated through the spiral setting of the spiral pipe 13, and a flow The through groove 19 can be spirally circulated through the setting of the circulation groove 19, which facilitates the upward circulation of hot gas, and cooperates with the second fan 17 to blow the heat outward, so as to achieve an efficient heat dissipation effect, realize low-cost and high-efficiency heat dissipation work, and reduce the use cost. The end of the circulation groove 19 is connected with a connecting pipe 20. The cooled water source after heat dissipation will enter the interior of the connecting pipe 20 and flow to the interior of the small water tank 10 through the circulation water pipe 11. One end of the connecting pipe 20 is fixedly connected with the circulation water pipe 11, and one end of the circulation water pipe 11 is fixedly connected with the small water tank 10. One side of the interior of the small water tank 10 is fixedly connected with a water pump, and the output end of the water pump is fixedly connected with the reflux pipe 2. 11 flows to the interior of the small water tank 10, and then the water source is pumped out by a water pump and flows back to the interior of the cooling box 1 through the return pipe 2. One end of the return pipe 2 is fixedly connected to the cooling box 1. A motor box 14 is arranged on one side of the spiral tube 13. During the circulation process, the driving end of the motor box 14 can drive the rotation of the pulley 18, and the belt body 15 is driven to rotate during the rotation process, and the second fan 17 is driven to rotate after the rotation. The top of the motor box 14 is fixedly connected with a fixing frame 16, and the internal rotation of the fixing frame 16 is coordinated with the second fan 17. The external air is introduced through the second fan 17, and after the introduction, the gas flows to the surface of the spiral tube 13 to blow the heat to achieve the heat dissipation effect.

[0037] A fixed motor 7 is fixedly connected to both sides of the top of one end of the cooling box 1, the driving end of the fixed motor 7 is fixedly connected to the first fan 6, the second fan 17 and the front driving end of the motor box 14 are fixedly connected to a pulley 18, the outer part of the pulley 18 is provided with a belt body 15, the top of the fixed pipe 23 is fixedly connected to the filter cover 24, and the top of the cooling tank 4 is fixedly connected to the exhaust pipe 5.

[0038] Embodiment three:

[0039] The present embodiment is different from the first embodiment and the second embodiment in that: a blast furnace gas rotary dust removal cooling device comprises: a cooling box 1 and a cooling tank 4, one side of the cooling box 1 is fixedly connected with a circulation pump, the output end of the circulation pump is fixedly connected with a cooling pipe 9, the circulation is completed through the cooling pipe 9, and the internal gas of the blast furnace gas pipe 8 can be initially cooled during the circulation process, the cooling pipe 9 is internally sleeved with a blast furnace gas pipe 8, the gas is discharged through the blast furnace gas pipe 8, and the circulation pump extracts the internal water source of the cooling box 1 during the discharge process, one end of the blast furnace gas pipe 8 is fixedly connected with the cooling tank 4, When the internal water source of the cooling tank 4 is heated up, the water source can penetrate into the interior of the fixed pipe 23 through the filter cover 24, and the cooled gas flows into the interior of the cooling tank 4, and is cooled again by the internal water source of the cooling tank 4. The gas can also achieve a filtering effect when passing through the water source, filtering and precipitating impurities in the gas. During the cooling process, the impurities will be precipitated in the interior of the cooling tank 4, and then discharged upward through the gas. The interior of the cooling tank 4 is fixedly connected with a fixed pipe 23, and the bottom end of the fixed pipe 23 is fixedly connected with a spiral pipe 13, which is discharged to the interior of the inner flow groove 19 of the spiral pipe 13 through downward flow, and then passes The spiral setting of the spiral tube 13 can make the water source circulate in a spiral. A circulation groove 19 is opened inside the spiral tube 13. The end of the circulation groove 19 is connected to a connecting pipe 20. The water source cooled after heat dissipation will enter the interior of the connecting pipe 20 and flow to the interior of the small water tank 10 through the circulation water pipe 11. One end of the connecting pipe 20 is fixedly connected to the circulation water pipe 11. One end of the circulation water pipe 11 is fixedly connected to the small water tank 10. One side of the interior of the small water tank 10 is fixedly connected to a water pump. The output end of the water pump is fixedly connected to a reflux pipe 2. The water flows to the interior of the small water tank 10 through the circulation water pipe 11, and then the water is pumped into the small water tank 10. The source is extracted and flows back to the interior of the cooling box 1 through the reflux pipe 2. One end of the reflux pipe 2 is fixedly connected to the cooling box 1. A motor box 14 is provided on one side of the spiral tube 13. During the circulation process, the driving end of the motor box 14 can drive the rotation of the pulley 18, and the belt body 15 is driven to rotate during the rotation process, and the second fan 17 is driven to rotate after the rotation. The top of the motor box 14 is fixedly connected with a fixing frame 16, and the internal rotation of the fixing frame 16 is coordinated with the second fan 17. The external air is introduced through the second fan 17, and after the introduction, the gas circulates to the surface of the spiral tube 13 to blow the heat to achieve the heat dissipation effect.

[0040] Working principle: when in use, the gas is first discharged through the blast furnace gas pipe 8, and during the discharge process, the circulating pump draws out the internal water source of the cooling box 1, and completes the circulation through the cooling pipe 9. During the circulation process, the internal gas of the blast furnace gas pipe 8 can be initially cooled, and the cooled gas flows into the interior of the cooling tank 4, and is cooled again through the internal water source of the cooling tank 4. During the cooling process, impurities will be precipitated inside the cooling tank 4, and then discharged upward through the gas, and during the discharge process, the gas will be discharged through the exhaust pipe 5, thereby completing the cooling and discharge of the gas, and the gas can also achieve a filtering effect when passing through the water source, filtering and precipitating impurities in the gas; when the internal water source of the cooling tank 4 is heated up, the water source can penetrate into the interior of the fixed pipe 23 through the filter cover 24, and be discharged to the spiral tube 13 through downward circulation. The interior of the inner circulation groove 19 can then spirally circulate the water source through the spiral setting of the spiral tube 13, and during the circulation process, the driving end of the motor box 14 can drive the rotation of the pulley 18, and during the rotation process, the belt body 15 is driven to rotate, and after the rotation, the second fan 17 is driven to rotate, and the external air is introduced through the second fan 17, and after the introduction, the gas circulates to the surface of the spiral tube 13 to blow the heat to achieve the heat dissipation effect. After the heat is dissipated, the cooled water source will enter the interior of the connecting pipe 20, and flow to the interior of the small water tank 10 through the circulating water pipe 11, and then the water source is pumped out by the water pump, and refluxed to the interior of the cooling box 1 through the reflux pipe 2, and at the same time, the reflux circulation function is completed between the cooling box 1 and the cooling tank 4 through the water inlet pipe 3, and the internal wastewater of the cooling tank 4 can discharge impurities and mixed wastewater through the drain pipe 12.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] The above is only an explanation of the preferred embodiments of the present invention, and the above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

[0043] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A blast furnace gas rotary dust removal and cooling device, comprising: A cooling box (1) and a cooling tank (4), characterized in that: a circulation pump is fixedly connected to one side of the cooling box (1), a cooling pipe (9) is fixedly connected to the output end of the circulation pump, a blast furnace gas pipe (8) is sleeved inside the cooling pipe (9), one end of the blast furnace gas pipe (8) is fixedly connected to the cooling tank (4), a fixed pipe (23) is fixedly connected to the middle of the cooling tank (4), a spiral pipe (13) is fixedly connected to the bottom end of the fixed pipe (23), a circulation groove (19) is provided inside the spiral pipe (13), the end of the circulation groove (19) is connected to a connecting pipe (20), one end of the connecting pipe (20) is fixedly connected to a circulation water pipe (11), one end of the circulation water pipe (11) is fixedly connected to a small water tank (10), one side of the inside of the small water tank (10) is fixedly connected to a water pump, the output end of the water pump is fixedly connected to a return pipe (2), and one end of the return pipe (2) is fixedly connected to the cooling box (1).

2. A blast furnace gas rotary dust removal and cooling device according to claim 1, characterized in that: A fixed motor (7) is fixedly connected to both sides of the top of one end of the cooling box (1), and a first fan (6) is fixedly connected to the driving end of the fixed motor (7).

3. A blast furnace gas rotary dust removal and cooling device according to claim 1, characterized in that: A motor box (14) is provided on one side of the spiral tube (13); a fixing frame (16) is fixedly connected to the top of the motor box (14); and a second fan (17) is rotatably matched inside the fixing frame (16).

4. A blast furnace gas rotary dust removal and cooling device according to claim 3, characterized in that: The second fan (17) and the front driving end of the motor box (14) are both fixedly connected with a pulley (18), and the outer portion of the pulley (18) is covered with a belt body (15).

5. The blast furnace gas rotary dust removal and cooling device according to claim 1, characterized in that: The top end of the fixed tube (23) is fixedly connected with a filter screen cover (24).

6. A blast furnace gas rotary dust removal and cooling device according to claim 1, characterized in that: An exhaust pipe (5) is fixedly connected to the top of the cooling tank (4), and a water inlet pipe (3) is fixedly connected between the cooling box (1) and the cooling tank (4).

7. The rotary dust removal and cooling device for blast furnace gas according to claim 1, characterized in that: A drainage pipe (12) is fixedly connected to the bottom end of one side of the cooling tank (4), and a solenoid valve (22) is arranged inside the drainage pipe (12).

8. The blast furnace gas rotary dust removal and cooling device according to claim 1, characterized in that: The inner bottom end of the cooling tank (4) is fixedly connected with an inclined plate (21).

9. The blast furnace gas rotary dust removal and cooling device according to claim 2, characterized in that: An integrated seat is provided on the outer side of the top of the cooling box (1), and the fixed motor is arranged on the integrated seat.

Images