阅读说明：本技术 一种低能耗冶金高炉设备 (Low-energy-consumption metallurgical blast furnace equipment ) 是由 王盼合 陈旭 李迎春 王永刚 郑海明 赵东升 杜亚军 张国芳 赵海员 李恩宝 王 于 2020-07-07 设计创作，主要内容包括：本发明提供了一种低能耗冶金高炉设备,属于高炉装备领域,包括高炉、冷却装置、冷却水源、第一转轮除湿装置、第一吸风装置、热风炉、第二转轮除湿装置以及第二吸风装置,第一吸风装置的出风口分别与第一转轮除湿装置的再生风道、第二转轮除湿装置的再生风道及热风炉的进风口连通；冷却装置包括冷却壁、水冷通道和风冷通道,水冷通道和风冷通道均设于冷却壁内,且水冷通道位于风冷通道内侧,风冷通道为条状通道,且平行于水冷通道设置,风冷通道内沿自身长轴交错设有多个扩散板。本发明提供的低能耗冶金高炉设备,通过风冷与水冷双重作用,使高炉的冷却效率得到有效提高,风冷所产生的余热能有效进行再次利用,进而有效降低高炉设备整体的能耗。(The invention provides low-energy-consumption metallurgical blast furnace equipment, which belongs to the field of blast furnace equipment and comprises a blast furnace, a cooling device, a cooling water source, a first rotary dehumidification device, a first air suction device, a hot blast furnace, a second rotary dehumidification device and a second air suction device, wherein an air outlet of the first air suction device is respectively communicated with a regeneration air channel of the first rotary dehumidification device, a regeneration air channel of the second rotary dehumidification device and an air inlet of the hot blast furnace; the cooling device comprises a cooling wall, a water cooling channel and an air cooling channel, wherein the water cooling channel and the air cooling channel are arranged in the cooling wall, the water cooling channel is positioned on the inner side of the air cooling channel, the air cooling channel is a strip-shaped channel and is parallel to the arrangement of the water cooling channel, and a plurality of diffusion plates are arranged in the air cooling channel along the long axis of the air cooling channel in a staggered manner. According to the low-energy-consumption metallurgical blast furnace equipment, the cooling efficiency of the blast furnace is effectively improved through the dual functions of air cooling and water cooling, and waste heat energy generated by air cooling is effectively reused, so that the overall energy consumption of the blast furnace equipment is effectively reduced.)

1. A low-energy-consumption metallurgical blast furnace device is characterized by comprising a blast furnace, a cooling device, a cooling water source, a first rotating wheel dehumidification device, a first air suction device, a hot blast furnace, a second rotating wheel dehumidification device and a second air suction device;

the hot blast stove is communicated with an air port of the blast furnace, the cooling device is arranged in the blast furnace, a liquid inlet and a liquid outlet of the cooling device are respectively communicated with the cooling water source, an air inlet of the cooling device is communicated with the first rotating wheel dehumidifying device, an air outlet of the cooling device is communicated with an air inlet of the first air suction device, and the second rotating wheel dehumidifying device is communicated with the air inlet of the hot blast stove through the second air suction device;

an air outlet of the first air suction device is respectively communicated with a regeneration air channel of the first rotary dehumidification device, a regeneration air channel of the second rotary dehumidification device and an air inlet of the hot blast stove, a first valve is arranged between the first air suction device and the regeneration air channel of the first rotary dehumidification device, a second valve is arranged between the first air suction device and the regeneration air channel of the second rotary dehumidification device, and a third valve is arranged between the first air suction device and the air inlet of the hot blast stove;

cooling device includes stave, water-cooling passageway and forced air cooling passageway, the water-cooling passageway with the forced air cooling passageway is all located in the stave, just the water-cooling passageway is located forced air cooling passageway is inboard, the forced air cooling passageway is strip passageway, and is on a parallel with the water-cooling passageway sets up, crisscross a plurality of diffuser plates that are equipped with along self major axis in the forced air cooling passageway, the face perpendicular to of diffuser plate the major axis of forced air cooling passageway on the radial face of forced air cooling passageway, adjacent the marginal mutual overlap of diffuser plate.

2. The low energy metallurgical blast furnace apparatus of claim 1, wherein the free end of the diffuser plate is provided with air guiding notches that open to the edge of the diffuser plate, and the air guiding notches of a plurality of diffuser plates cooperate to form an inner air channel parallel to the long axis of the air cooling channel.

3. The low energy consumption metallurgical blast furnace installation according to claim 1, wherein the outer side of the stave is further provided with a plurality of arcuate heat sinks disposed along the long axis of the air-cooled channel.

4. The low energy metallurgical blast furnace plant of claim 1, wherein a temperature regulating device is provided between the first valve and the regeneration duct of the first rotary-wheel dehumidification device, and between the second valve and the regeneration duct of the second rotary-wheel dehumidification device, for regulating the temperature of the gas entering the regeneration duct of the first rotary-wheel dehumidification device and the regeneration duct of the second rotary-wheel dehumidification device.

5. The low energy consumption metallurgical blast furnace equipment according to claim 4, wherein the temperature adjusting device comprises a temperature reducing spiral pipe, a filtering mechanism and a straight-through branch, the temperature reducing spiral pipe forms a temperature adjusting branch, the temperature adjusting branch and the straight-through branch are arranged in parallel, the air inlet ends of the temperature adjusting branch and the straight-through branch are connected with a three-way valve, and the filtering mechanism is arranged at the air inlet of the three-way valve and is used for filtering gas.

6. The low energy consumption metallurgical blast furnace equipment according to claim 5, wherein the filtering mechanism comprises a filter cartridge and a filter screen, the air outlet of the filter cartridge is communicated with the air inlet of the three-way valve, the filter screen is a curved screen protruding towards the air inlet for the filter cartridge, and the edge of the filter screen is inserted into the mounting groove on the inner wall of the filter cartridge.

7. The low-energy-consumption metallurgical blast furnace equipment according to claim 6, wherein the filter cartridge comprises an air inlet section, an expansion section, a filter section, a contraction section and an air outlet section which are arranged in sequence along the gas flow direction, the filter screen is arranged in the filter section, the inner diameters of the air inlet section and the air outlet section are the same, the inner diameter of the filter section is larger than that of the air inlet section, the inner diameter of the expansion section is gradually increased along the gas flow direction, the inner diameter of the contraction section is gradually reduced along the gas flow direction, the air inlet section is in butt joint with the air inlet pipe, and the air outlet section is in butt joint with the air inlet pipe of the three-way valve.

8. The low-energy-consumption metallurgical blast furnace equipment according to claim 7, wherein the outer wall of the filtering section is provided with a mounting seat, two sides of the mounting seat are respectively provided with a buckle, the outer wall of the air inlet pipe of the three-way valve and the outer wall of the air inlet pipe are respectively provided with a chuck, the chuck is provided with a bayonet connected with the buckle, the air inlet section is used for being inserted into the air inlet pipe, and the air outlet section is used for being inserted into the air inlet pipe of the three-way valve.

9. The low-energy-consumption metallurgical blast furnace equipment according to claim 5, wherein a plurality of auxiliary heat dissipation mechanisms are arranged on the cooling spiral pipe, the plurality of auxiliary heat dissipation mechanisms are distributed along the spiral axis of the cooling spiral pipe, each auxiliary heat dissipation mechanism comprises two symmetrically arranged heat dissipation units, each heat dissipation unit comprises a first arc-shaped plate, a second arc-shaped plate, a heat dissipation partition plate, a heat dissipation fin and a butt plate, the first arc-shaped plate is used for being attached to the outer wall of the cooling spiral pipe, the second arc-shaped plate is coaxially arranged with the first arc-shaped plate at an interval, the heat dissipation partition plate is arranged between the first arc-shaped plate and the second arc-shaped plate, a heat dissipation air channel is formed between the adjacent heat dissipation partition plates, the heat dissipation fins are radially arranged on the outer side of the second arc-shaped plate, and the butt plate is arranged at the end part of the second arc-shaped plate, the butt joint plate is used for being fixedly connected with the butt joint plate in the adjacent heat dissipation unit.

10. The low energy metallurgical blast furnace installation of claim 1, wherein the cooling water source comprises a hot water tank, a tempering water tank, a radiator, a regulating valve, a first water pump, a second water pump, and a temperature sensor;

a first water outlet of the hot water tank is communicated with a water inlet of the temperature-adjusting water tank through the first water pump, a second water outlet of the hot water tank is communicated with the regulating valve through the second water pump, the regulating valve is communicated with a water inlet of the radiator, a water outlet of the radiator is communicated with a water inlet of the temperature-adjusting water tank, the temperature sensor is arranged in the temperature-adjusting water tank, an overflow pipe is further arranged between the hot water tank and the temperature-adjusting water tank, a water outlet of the temperature-adjusting water tank is communicated with a water inlet of the cooling device, and a water inlet of the hot water tank is communicated with a water outlet of the cooling device;

be equipped with the rabbling mechanism that is used for accelerating hot and cold water mixing speed in the temperature regulating water tank, rabbling mechanism includes pivot, first puddler and second puddler, first puddler is equipped with a plurality ofly, and is a plurality of first puddler encircles the pivot evenly sets up, the lower extreme of first puddler is connected in the pivot, and with the pivot is the contained angle setting, the second puddler is equipped with a plurality ofly, and is a plurality of the second puddler encircles the pivot evenly sets up, the upper end of second puddler is connected in the pivot, and with the pivot is the contained angle setting, first puddler with the second puddler encircles the pivot sets up in turn, just the bottom of first puddler is less than the top of second puddler.

Technical Field

The invention belongs to the technical field of blast furnace equipment, and particularly relates to low-energy-consumption metallurgical blast furnace equipment.

Background

A metallurgical blast furnace apparatus is a core apparatus in a metal smelting process, in which iron ore, coke, and a flux for slag formation are charged from a furnace top during the production of a blast furnace, preheated air is blown from tuyeres located along the periphery of the furnace from a lower portion of the furnace, carbon monoxide and hydrogen generated by combustion of carbon in the coke and oxygen blown into the air at a high temperature are removed from iron ore during the ascent in the furnace to reduce the iron, the molten iron thus produced is discharged from an iron tap, unreduced impurities in the iron ore are combined with the flux such as limestone to form slag, which is discharged from a slag tap, and the produced gas is discharged from the furnace top and dedusted to be used as a fuel for a hot blast furnace, a heating furnace, a coke oven, a boiler, and the like.

The blast furnace need cool off the furnace body in process of production to prevent that the furnace body from damaging because of the high temperature, current cooling system generally is water cooling system, however, current water cooling system energy consumption is higher, is unfavorable for reducing the metallurgical manufacturing cost of blast furnace.

Disclosure of Invention

The invention aims to provide low-energy-consumption metallurgical blast furnace equipment, and aims to solve the technical problem that a blast furnace cooling system in the prior art is high in energy consumption.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a low energy metallurgical blast furnace plant comprising: the system comprises a blast furnace, a cooling device, a cooling water source, a first rotary wheel dehumidification device, a first air suction device, a hot blast stove, a second rotary wheel dehumidification device and a second air suction device;

the hot blast stove is communicated with an air port of the blast furnace, the cooling device is arranged in the blast furnace, a liquid inlet and a liquid outlet of the cooling device are respectively communicated with the cooling water source, an air inlet of the cooling device is communicated with the first rotating wheel dehumidifying device, an air outlet of the cooling device is communicated with an air inlet of the first air suction device, and the second rotating wheel dehumidifying device is communicated with the air inlet of the hot blast stove through a second air suction device;

an air outlet of the first air suction device is respectively communicated with a regeneration air channel of the first rotary dehumidification device, a regeneration air channel of the second rotary dehumidification device and an air inlet of the hot blast stove, a first valve is arranged between the first air suction device and the regeneration air channel of the first rotary dehumidification device, a second valve is arranged between the first air suction device and the regeneration air channel of the second rotary dehumidification device, and a third valve is arranged between the first air suction device and the air inlet of the hot blast stove;

cooling device includes stave, water-cooling passageway and forced air cooling passageway, the water-cooling passageway with the forced air cooling passageway is all located in the stave, just the water-cooling passageway is located forced air cooling passageway is inboard, the forced air cooling passageway is strip passageway, and is on a parallel with the water-cooling passageway sets up, crisscross a plurality of diffuser plates that are equipped with along self major axis in the forced air cooling passageway, the face perpendicular to of diffuser plate the major axis of forced air cooling passageway on the radial face of forced air cooling passageway, adjacent the marginal mutual overlap of diffuser plate.

As another embodiment of the present application, an air guiding notch having an opening extending to an edge of the diffusion plate is formed at a free end of the diffusion plate, and the air guiding notches on the diffusion plates are matched to form an inner air duct parallel to a long axis of the air cooling channel.

As another embodiment of the application, the outer side surface of the cooling wall is further provided with a plurality of arc-shaped heat dissipation grooves distributed along the long axis of the air cooling channel.

As another embodiment of this application, first valve with between first runner dehydrating unit's the regeneration wind channel, and the second valve with be equipped with attemperator between second runner dehydrating unit's the regeneration wind channel, attemperator is used for adjusting the entering first runner dehydrating unit's the regeneration wind channel with the temperature of the gas in second runner dehydrating unit's the regeneration wind channel.

As another embodiment of this application, attemperator includes cooling spiral pipe, filter mechanism and straight-through branch road, filter mechanism locates the air intake department of three-way valve for filter gas, the cooling spiral pipe forms the branch road of adjusting the temperature, the branch road of adjusting the temperature with parallelly connected setting between the straight-through branch road, the branch road of adjusting the temperature with the air inlet end of straight-through branch road is connected with the three-way valve.

As another embodiment of this application, filtering mechanism includes cartridge filter and filter screen, the air outlet of cartridge filter with the air intake intercommunication of three-way valve, the filter screen be to the convex curved surface net of air intake that the cartridge filter was used, the edge of filter screen is inserted and is located in the mounting groove of cartridge filter inner wall.

As another embodiment of this application, the cartridge filter includes air inlet section, expansion section, fillter, shrink section and the air-out section that sets gradually along the gas flow direction, the filter screen is located in the fillter, the air inlet section with the internal diameter of air-out section is the same, the internal diameter of fillter is greater than the internal diameter of air inlet section, the internal diameter of expansion section is along gas flow direction crescent, the internal diameter of shrink section reduces along gas flow direction gradually, air inlet section and intake stack butt joint, the air-out section with the air-supply line butt joint of three-way valve.

As another embodiment of this application, the outer wall of fillter section is equipped with the mount pad, the both sides of mount pad are equipped with the buckle respectively, the outer wall of three-way valve air-supply line and the outer wall of intake stack is equipped with the chuck respectively, be equipped with on the chuck with the bayonet socket of buckle joint, the air inlet section is used for inserting and locates in the intake stack, the air-out section is used for inserting and locates in the intake stack of three-way valve.

As another embodiment of the present application, a plurality of auxiliary heat dissipation mechanisms are disposed on the cooling spiral tube, the plurality of auxiliary heat dissipation mechanisms are distributed along the spiral axis of the cooling spiral tube, the auxiliary heat dissipation mechanism comprises two heat dissipation units which are symmetrically arranged, each heat dissipation unit comprises a first arc-shaped plate, a second arc-shaped plate, a heat dissipation partition plate, heat dissipation fins and a butt plate, the first arc-shaped plate is used for being attached to the outer wall of the cooling spiral pipe, the second arc-shaped plate and the first arc-shaped plate are coaxially arranged at intervals, the heat dissipation partition plates are arranged between the first arc-shaped plate and the second arc-shaped plate, a heat dissipation air duct is formed between the adjacent heat dissipation partition plates, the radiating fins are radially arranged on the outer side of the second arc-shaped plate, the butt joint plates are arranged at the end parts of the second arc-shaped plate and are used for being fixedly connected with the butt joint plates in the adjacent radiating units.

As another embodiment of the present application, the cooling water source includes a hot water tank, a temperature-adjusting water tank, a radiator, an adjusting valve, a first water pump, a second water pump, and a temperature sensor;

a first water outlet of the hot water tank is communicated with a water inlet of the temperature-adjusting water tank through the first water pump, a second water outlet of the hot water tank is communicated with the regulating valve through the second water pump, the regulating valve is communicated with a water inlet of the radiator, a water outlet of the radiator is communicated with a water inlet of the temperature-adjusting water tank, the temperature sensor is arranged in the temperature-adjusting water tank, an overflow pipe is further arranged between the hot water tank and the temperature-adjusting water tank, a water outlet of the temperature-adjusting water tank is communicated with a water inlet of the cooling device, and a water inlet of the hot water tank is communicated with a water outlet of the cooling device;

be equipped with the rabbling mechanism that is used for accelerating hot and cold water mixing speed in the temperature regulating water tank, rabbling mechanism includes pivot, first puddler and second puddler, first puddler is equipped with a plurality ofly, and is a plurality of first puddler encircles the pivot evenly sets up, the lower extreme of first puddler is connected in the pivot, and with the pivot is the contained angle setting, the second puddler is equipped with a plurality ofly, and is a plurality of the second puddler encircles the pivot evenly sets up, the upper end of second puddler is connected in the pivot, and with the pivot is the contained angle setting, first puddler with the second puddler encircles the pivot sets up in turn, just the bottom of first puddler is less than the top of second puddler.

The low-energy-consumption metallurgical blast furnace equipment provided by the invention has the beneficial effects that: compared with the prior art, in the low-energy-consumption metallurgical blast furnace equipment, in the working process, air is driven by the second air suction device to be dried by the second rotating wheel dehumidification device, the dried gas enters the hot blast furnace to be heated, and the heated gas enters the blast furnace through the air port of the blast furnace; meanwhile, cooling water in a cooling water source continuously enters and exits the cooling device for water cooling, air enters the cooling device through the first rotating wheel dehumidification device under the driving of the first air suction device, dry air can prevent the cooling wall from being corroded, the service life of the cooling wall is prolonged, the cooling water circulating on the inner side inside the cooling wall firstly absorbs heat of the blast furnace, and the cold air circulating on the outer side inside the cooling wall can exchange heat with the cooling wall at the same time, so that the heat absorbed by the cooling water and the cooling wall can be firstly radiated once when the cooling water flows out of the cooling wall, and the cooling effect is improved; moreover, the diffusion plate is arranged in the air cooling channel, so that the air flow can be dispersed, and a tortuous air flow channel is formed in the air cooling channel, so that flowing air can be fully contacted with the inner wall of the air cooling channel, and the heat exchange efficiency is improved; when the gas flows out of the cooling wall, the temperature of the gas is raised, and the gas can be used for regenerating the first rotating wheel dehumidification device and the second rotating wheel dehumidification device according to requirements or enter the hot blast stove, so that the gas in the hot blast stove can reach the specified temperature more quickly. According to the low-energy-consumption metallurgical blast furnace equipment, the cooling efficiency of the blast furnace is effectively improved through the dual functions of air cooling and water cooling, and meanwhile, waste heat generated by air cooling can be effectively recycled, so that the overall energy consumption of the blast furnace equipment can be effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a low energy consumption metallurgical blast furnace apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cooling device according to an embodiment of the present invention;

FIG. 3 is a schematic top view of the diffuser plate shown in FIG. 2;

FIG. 4 is a schematic view of an assembly structure of the plurality of diffuser plates shown in FIG. 2;

FIG. 5 is a schematic structural diagram of a cooling coil according to an embodiment of the present invention;

FIG. 6 is a schematic view of an assembly structure of a filter mechanism according to an embodiment of the present invention;

FIG. 7 is a first schematic view of an assembly structure of a cooling coil and a heat dissipation unit according to a second embodiment of the present invention;

FIG. 8 is a second schematic view of an assembly structure of a cooling coil and a heat dissipating unit according to a second embodiment of the present invention;

FIG. 9 is a schematic diagram of a cooling water source used in one embodiment of the present invention;

fig. 10 is a schematic view of an assembly structure of the temperature-adjusting water tank and the stirring mechanism according to an embodiment of the present invention.

In the figure: 1. a blast furnace; 2. a cooling device; 2-1, cooling walls; 2-2, water cooling channels; 2-3, air cooling channels; 2-4, a diffusion plate; 2-5, wind guide gaps; 2-6, an inner air duct; 2-7, arc radiating grooves; 3. a cooling water source; 3-1, a hot water tank; 3-2, a temperature regulating water tank; 3-3, a radiator; 3-4, regulating valve; 3-5, a first water pump; 3-6, a second water pump; 3-7, a temperature sensor; 3-8, overflow pipe; 3-9, a rotating shaft; 3-10, a first stirring rod; 3-11, a second stirring rod; 4. a first rotary wheel dehumidification device; 5. a first air suction device; 6. a hot blast stove; 7. a second rotary dehumidification device; 8. a second air suction device; 9. a first valve; 10. a second valve; 11. a third valve; 12. a temperature adjusting device; 12-1, a cooling spiral pipe; 12-2, a filtering mechanism; 12-2-1, a filter cartridge; 12-2-1A and an air inlet section; 12-2-1B, an expansion section; 12-2-1C, a filtering section; 12-2-1D, a contraction section; 12-2-1E and an air outlet section; 12-2-2, a filter screen; 12-3, a straight-through branch; 12-4, a three-way valve; 13. an air inlet pipeline; 14. a mounting seat; 15. buckling; 16. a chuck; 17. a first arc-shaped plate; 18. a second arc-shaped plate; 19. a heat dissipating partition; 20. a heat dissipating fin; 21. a butt plate; 22. and a heat dissipation air duct.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 together, the low energy consumption metallurgical blast furnace apparatus of the present invention will now be described. The low-energy-consumption metallurgical blast furnace equipment comprises a blast furnace 1, a cooling device 2, a cooling water source 3, a first rotary dehumidification device 4, a first air suction device 5, a hot blast stove 6, a second rotary dehumidification device 7 and a second air suction device 8; the hot blast stove 6 is communicated with an air port of the blast furnace 1, the cooling device 2 is arranged in the blast furnace 1, a liquid inlet and a liquid outlet of the cooling device 2 are respectively communicated with a cooling water source 3, an air inlet of the cooling device 2 is communicated with the first rotating wheel dehumidification device 4, an air outlet of the cooling device 2 is communicated with an air inlet of the first air suction device 5, and the second rotating wheel dehumidification device 7 is communicated with an air inlet of the hot blast stove 6 through the second air suction device 8; an air outlet of the first air suction device 5 is respectively communicated with a regeneration air channel of the first rotary dehumidification device 4, a regeneration air channel of the second rotary dehumidification device 7 and an air inlet of the hot blast stove 6, a first valve 9 is arranged between the first air suction device 5 and the regeneration air channel of the first rotary dehumidification device 4, a second valve 10 is arranged between the first air suction device 5 and the regeneration air channel of the second rotary dehumidification device 7, and a third valve 11 is arranged between the first air suction device 5 and the air inlet of the hot blast stove 6; the cooling device 2 comprises a cooling wall 2-1, a water cooling channel 2-2 and an air cooling channel 2-3, the water cooling channel 2-2 and the air cooling channel 2-3 are arranged in the cooling wall 2-1, the water cooling channel 2-2 is located on the inner side of the air cooling channel 2-3, the air cooling channel 2-3 is a strip channel and is arranged in parallel to the water cooling channel 2-2, a plurality of diffusion plates 2-4 are arranged in the air cooling channel 2-3 in a staggered mode along the long axis of the air cooling channel, the plate surfaces of the diffusion plates 2-4 are perpendicular to the long axis of the air cooling channel 2-3, and the edges of the adjacent diffusion plates 2-4 are overlapped on the radial surface of the air cooling channel 2-.

It should be noted that in fig. 2, the straight pipe connected to the water-cooling channel 2-2 is a water-cooling circulation pipeline, and the bent pipe connected to the two ends of the air-cooling channel 2-3 is an air-cooling circulation pipeline.

Compared with the prior art, in the working process, the air is driven by a second air suction device 8 to be dried through a second rotating wheel dehumidification device 7, the dried gas enters a hot blast stove 6 to be heated, and the heated gas enters the blast furnace through a tuyere of the blast furnace 1; meanwhile, cooling water in a cooling water source 3 continuously enters and exits the cooling device 2 for water cooling, air enters the cooling device 2 through the first rotating wheel dehumidification device 4 under the drive of the first air suction device 5, dry air can prevent the cooling wall 2-1 from being corroded, the service life of the cooling wall 2-1 is prolonged, cooling water circulating inside the cooling wall 2-1 firstly absorbs heat of the blast furnace 1, cold air circulating outside the cooling wall 2-1 can exchange heat with the cooling wall 2-1 at the same time, so that the cooling water and the heat absorbed by the cooling wall 2-1 can be firstly radiated once when the cooling water flows out of the cooling wall, and the cooling effect is improved; moreover, the air cooling channel is internally provided with the diffusion plate 2-4 which can play a role of scattering air flow, and a circuitous and tortuous air flow channel is formed in the air cooling channel 2-3, so that flowing air can be fully contacted with the inner wall of the air cooling channel 2-3, and the heat exchange efficiency is improved; when the gas flows out from the cooling wall 2-1, the temperature of the gas is raised, and the gas can be used for regenerating the first rotating wheel dehumidification device 4 and the second rotating wheel dehumidification device 7 according to requirements without using additional heating equipment to heat regeneration air or enter the hot blast stove 6, so that the gas in the hot blast stove 6 can reach a specified temperature more quickly. According to the low-energy-consumption metallurgical blast furnace equipment, the cooling efficiency of the blast furnace 1 is effectively improved through the dual functions of air cooling and water cooling, and meanwhile, waste heat generated by air cooling can be effectively recycled, so that the overall energy consumption of the blast furnace equipment can be effectively reduced.

Referring to fig. 2 to 4, as an embodiment of the present invention, the free end of the diffuser plate 2-4 is provided with an air guiding gap 2-5 having an opening extending to the edge of the diffuser plate 2-4, and the air guiding gaps 2-5 on the plurality of diffuser plates 2-4 cooperate to form an inner air duct 2-6 parallel to the long axis of the air cooling channel 2-3. Taking fig. 2 as an example, when air cooling circulation is performed, air enters from the upper end of the air cooling channel 2-3, a part of the air is blocked by the diffusion plates 2-4, and then the speed is slowed down, and the air flows along the tortuous air channels formed between the diffusion plates 2-4, meanwhile, the middle part of the tortuous air channels is provided with the inner air channels 2-6, so that a part of the air directly flows to the tail ends of the air cooling channel 2-3 through the inner air channels 2-6, the air flow rate in the inner air channels 2-6 is slightly higher, the air pressure is slightly lower than the air pressure in the tortuous air channels, the air in the tortuous air channels can be guided into the inner air channels 2-6 to a certain degree, and then the hot air in the tortuous air channels can flow out quickly along with the air flow in the inner air channels 2-6, and the tortuous air can rapidly gush in the cold air, the air cooling efficiency is greatly improved.

Referring to fig. 2, as a specific implementation manner of the embodiment of the present invention, the outer side surface of the cooling wall 2-1 is further provided with a plurality of arc-shaped heat dissipation grooves 2-7 distributed along the long axis of the air cooling channel 2-3. The arc-shaped heat dissipation grooves 2-7 enable the local side walls, corresponding to the air cooling channels 2-3, on the cooling wall 201 to be thin, meanwhile, the arc-shaped heat dissipation grooves 2-7 have a guiding effect on air, and cold air flows through the outer surface of the cooling wall 201 under the guiding of the arc-shaped heat dissipation grooves 2-7, so that the heat exchange efficiency of the cooling wall 201 is accelerated.

Referring to fig. 1, 5 to 8, a temperature adjusting device 12 is disposed between the first valve 9 and the regeneration air duct of the first rotary-wheel dehumidification device 4, and between the second valve 10 and the regeneration air duct of the second rotary-wheel dehumidification device 7, and the temperature adjusting device 12 is used for adjusting the temperature of the gas entering the regeneration air duct of the first rotary-wheel dehumidification device 4 and the regeneration air duct of the second rotary-wheel dehumidification device 7. In order to avoid the influence on the dehumidification effect, the regeneration temperature of the wheel dehumidification device is generally controlled within a certain range, and if the temperature of the gas flowing out of the cooling device 2 is higher than the temperature range of the wheel dehumidification device, the temperature of the gas needs to be reduced to meet the requirement of the regeneration temperature. Of course, if the temperature of the gas flowing out of the cooling device 2 is proper, the gas can directly enter the regeneration air duct to perform the regeneration operation.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 5 to 8, the temperature adjusting device 12 includes a temperature-reducing spiral pipe 12-1, a filtering mechanism 12-2 and a straight branch 12-3, the temperature-reducing spiral pipe 12-1 forms a temperature-adjusting branch, the temperature-adjusting branch and the straight branch 12-3 are arranged in parallel, air inlet ends of the temperature-adjusting branch and the straight branch 12-3 are connected with a three-way valve 12-4, and the filtering mechanism 12-2 is arranged at an air inlet of the three-way valve 12-4 and is used for filtering air. The purpose of the filtering mechanism 12-2 for filtering the gas is to pollute the starting material inside the rotary wheel dehumidification device with impurity dust and the like in the gas. If the temperature of the gas flowing out of the cooling device 2 is proper, the filtered gas can directly enter the regeneration air channel through the straight-through branch 12-3 by adjusting the three-way valve 12-4; if the temperature of the gas flowing out of the cooling device 2 is high, the three-way valve 12-4 is adjusted, the filtered gas enters the cooling spiral pipe 12-1, and due to the spiral arrangement mode of the cooling spiral pipe 12-1, the traveling time of the gas in the pipeline is greatly prolonged, so that the gas can be cooled without further energy consumption, and the energy consumption of blast furnace equipment is further reduced.

Referring to fig. 6, as a specific implementation manner of the embodiment of the present invention, a filtering mechanism 12-2 includes a filter cartridge 12-2-1 and a filter screen 12-2-2, an air outlet of the filter cartridge 12-2-1 is communicated with an air inlet of a three-way valve 12-4, the filter screen 12-2-2 is a curved screen protruding toward the air inlet of the filter cartridge 12-2-1, and an edge of the filter screen 12-2-2 is inserted into an installation groove of an inner wall of the filter cartridge 12-2-1. The filter screen 12-2-2 is convexly arranged, so that the air flow can be quickly scattered by the convex end of the filter screen 12-2-2 when entering the filter cylinder 12-2-1, the effect of slowing down the flow rate of the gas is achieved, and the phenomenon that the air pressure in the pipeline is unstable due to gas siltation is prevented; meanwhile, the area of the net surface of the filter net 12-2-2 is greatly increased, so that gas can be filtered more quickly; in addition, the filter cylinder 12-2-1 is matched with the filter screen 12-2-2 in an inserting way, so that the filter screen 12-2-2 can be quickly disassembled, assembled and replaced.

In the embodiment, the mounting groove is a chute with an opening inclined towards the air inlet direction, the edge of the filter screen 12-2-2 is not required to be provided with a too complicated connecting structure and can be directly spliced, after splicing, the filter screen 12-2-2 cannot fall off from the mounting groove due to the pushing action of gas during use, and the mounting effect is stable and reliable.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, a filter cartridge 12-2-1 includes an air inlet section 12-2-1A, an expansion section 12-2-1B, a filter section 12-2-1C, a contraction section 12-2-1D and an air outlet section 12-2-1E sequentially arranged along a gas flow direction, the filter screen 12-2-2 is disposed in the filter section 12-2-1C, the inner diameters of the air inlet section 12-2-1A and the air outlet section 12-2-1E are the same, the inner diameter of the filter section 12-2-1C is larger than that of the air inlet section 12-2-1A, the inner diameter of the expansion section 12-2-1B is gradually increased along the gas flow direction, the inner diameter of the contraction section 12-2-1D is gradually decreased along the gas flow direction, the air inlet section 12-2-1A is connected with an air inlet pipeline 13 in a butt joint mode, and the air outlet section 12-2-1E is connected with an air inlet pipe of a three-way valve 12-4 in a butt joint mode.

When the gas flows into the expansion section 12-2-1B through the air inlet section 12-2-1A, the gas flow speed is rapidly slowed down due to the gradual increase of the inner diameter of the expansion section 12-2-1B, so that the gas pressure is prevented from increasing when the gas passes through the filter screen 12-2-2, and after the gas is filtered, the gas pressure and the gas flow speed are gradually increased along with the contraction of the contraction section 12-2-1D, so that the gas can effectively circulate in the pipeline.

Referring to fig. 6, as a specific implementation manner of the embodiment of the present invention, an installation seat 14 is disposed on an outer wall of the filtering section 12-2-1C, two sides of the installation seat 14 are respectively provided with a buckle 15, outer walls of the air inlet pipe of the three-way valve 12-4 and an outer wall of the air inlet pipe 13 are respectively provided with a chuck 16, the chuck 16 is provided with a bayonet engaged with the buckle 15, the air inlet section 12-2-1A is configured to be inserted into the air inlet pipe 13, and the air outlet section 12-2-1E is configured to be inserted into the air inlet pipe of the three-way valve 12-4. During assembly, the air inlet section 12-2-1A is inserted into the air inlet pipeline 13, and the buckle 15 is also clamped with the bayonet after the air inlet section 12-2-1A is inserted in place, so that the air inlet section 12-2-1A is prevented from being separated from the air inlet pipeline 13, and the same principle is applied to the installation process of the air outlet section 12-2-1E. The connection structure of the embodiment is simple, a structure needing to be screwed is not needed, the filter cartridge 12-2-1 can be rapidly disassembled and assembled through the matching of insertion and clamping, and the overhauling efficiency of the filter mechanism 12-2 is improved.

Referring to fig. 7 and 8, as a specific implementation manner of the embodiment of the present invention, a plurality of auxiliary heat dissipation mechanisms are disposed on the cooling spiral tube 12-1, and the plurality of auxiliary heat dissipation mechanisms are distributed along a spiral axis of the cooling spiral tube. The auxiliary heat dissipation mechanism comprises two heat dissipation units which are symmetrically arranged, each heat dissipation unit comprises a first arc-shaped plate 17, a second arc-shaped plate 18, a heat dissipation partition plate 19, heat dissipation fins 20 and a butt plate 21, the first arc-shaped plate 17 is used for being attached to the outer wall of the cooling spiral pipe 12-1, the second arc-shaped plates 18 and the first arc-shaped plates 17 are arranged at the same axial interval, the heat dissipation partition plates 19 are arranged between the first arc-shaped plates 17 and the second arc-shaped plates 18, heat dissipation air channels 22 are formed between the adjacent heat dissipation partition plates 19, the heat dissipation fins 20 are radially arranged on the outer sides of the second arc-shaped plates 18, the butt plates 21 are arranged at the end parts of the second arc-shaped plates 18, and the butt plates 21 are fixedly connected with.

First arc 17 absorbs behind the pipeline heat with heat transfer to heat dissipation baffle 19, second arc 18 and radiating fin 20, heat dissipation wind channel 22 between first arc 17 and the second arc 18 leads the air current, and increase as far as possible with the area of contact of air, make first arc 17, can be quick between second arc 18 and the heat dissipation baffle 19 take place the heat exchange effect with the air, rethread radiating fin 20's heat dissipation, make every radiating unit all have the two-stage heat dissipation function, the radiating efficiency is effectively improved. Because the cooling spiral pipe 12-1 is provided with a plurality of auxiliary heat dissipation mechanisms, a plurality of positions on the cooling spiral pipe 12-1 can be quickly cooled, and the temperature regulation efficiency of the temperature regulation device 12 is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 9 and 10, the cooling water source 3 includes a hot water tank 3-1, a temperature-adjusting water tank 3-2, a radiator 3-3, an adjusting valve 3-4, a first water pump 3-5, a second water pump 3-6, and a temperature sensor 3-7; a first water outlet of the hot water tank 3-1 is communicated with a water inlet of the temperature regulating water tank 3-2 through a first water pump 3-5, a second water outlet of the hot water tank 3-1 is communicated with a regulating valve 3-4 through a second water pump 3-6, the regulating valve 3-4 is communicated with a water inlet of the radiator 3-3, a water outlet of the radiator 3-3 is communicated with a water inlet of the temperature regulating water tank 3-2, a temperature sensor 3-7 is arranged in the temperature regulating water tank 3-2, an overflow pipe 3-8 is further arranged between the hot water tank 3-1 and the temperature regulating water tank 3-2, a water outlet of the temperature regulating water tank 3-2 is communicated with a water inlet of the cooling device 2, and a water inlet of the hot water tank 3-1 is communicated with a water.

A stirring mechanism for accelerating the mixing speed of cold water and hot water is arranged in the temperature-regulating water tank 3-2, the stirring mechanism comprises a rotating shaft 3-9, a plurality of first stirring rods 3-10 and a plurality of second stirring rods 3-11, the first stirring rods 3-10 are uniformly arranged around the rotating shaft 3-9, the lower ends of the first stirring rods 3-10 are connected with the rotating shaft 3-9 and arranged at an included angle with the rotating shaft 3-9, the second stirring rods 3-11 are arranged in a plurality, the second stirring rods 3-11 are uniformly arranged around the rotating shaft 3-9, the upper ends of the second stirring rods 3-11 are connected with the rotating shaft 3-9 and arranged at an included angle with the rotating shaft 3-9, the first stirring rods 3-10 and the second stirring rods 3-11 are alternately arranged around the rotating shaft 3-9, and the bottom end of the first stirring rod 3-10 is lower than the top end of the second stirring rod 3-11.

In this embodiment, one radiator 303 and one regulating valve 3-4 constitute one radiating branch, and a plurality of radiating branches are connected in parallel.

When the water heater is used, hot water circulated from the cooling device 2 enters the hot water tank 3-1, a part of the hot water is conveyed to the radiator 3-3 through the second water pump 3-6 to be cooled, cooled water flows into the temperature-adjusting water tank 3-2, and the temperature sensor 3-7 senses the temperature of the water in the temperature-adjusting water tank 3-2 in real time; if the water temperature is too low, a first water pump 3-5 is started to deliver hot water to the temperature-regulating water tank 3-2; if the water temperature is too high, more regulating valves 3-4 are opened to take part in heat dissipation by more increasing branches, and then water with lower temperature can be injected into the temperature regulating water tank 3-2; when the temperature is adjusted, the stirring mechanism operates in real time, the first stirring rod 3-10 can generate upward water flow, and the second stirring rod 3-11 can generate downward water flow, so that cold water and hot water in the temperature adjusting water tank 3-2 can be quickly diffused and mixed, and the temperature adjusting efficiency is accelerated. The temperature adjusting process is carried out in real time, and the water in the temperature adjusting water tank 3-2 is ensured to be in a specified temperature range.

If the hot water in the hot water tank 3-1 is too much, the hot water can flow to the temperature-adjusting water tank 3-2 from the overflow pipe 3-8, so that the water pressure in the hot water tank 3-1 is prevented from being too high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.