CN114754597A - High-temperature high-dust metallurgical flue gas cooling device - Google Patents
High-temperature high-dust metallurgical flue gas cooling device Download PDFInfo
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- CN114754597A CN114754597A CN202210350249.XA CN202210350249A CN114754597A CN 114754597 A CN114754597 A CN 114754597A CN 202210350249 A CN202210350249 A CN 202210350249A CN 114754597 A CN114754597 A CN 114754597A
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- fixedly connected
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- pipe
- communicated
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- 238000001816 cooling Methods 0.000 title claims abstract description 88
- 239000000428 dust Substances 0.000 title claims abstract description 79
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003546 flue gas Substances 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000000779 smoke Substances 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 16
- 239000000498 cooling water Substances 0.000 description 8
- 244000309464 bull Species 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field of flue gas cooling devices, and discloses a high-temperature high-dust metallurgical flue gas cooling device which comprises a flue communicated with a metallurgical furnace, wherein one end of the flue is communicated with a pipeline, the upper end of the pipeline is communicated with a cooling box body, the inner wall of the cooling box body is respectively and fixedly connected with a water inlet ring and a water outlet ring, a cooling pipe is communicated between the water inlet ring and the water outlet ring, the side wall of one side of the water inlet ring is communicated with a water inlet pipe, the side wall of one side of the water outlet ring is communicated with a water outlet pipe, and one ends of the water inlet pipe and the water outlet pipe penetrate through the cooling box body. According to the invention, the cooling box body, the water inlet ring, the water outlet ring, the cooling pipe and the like are arranged for matching use, so that the flue gas can be cooled, and the problem that the bag-type dust remover for filtering high-temperature flue gas is easy to damage due to the increase of the load of the bag-type dust remover caused by overhigh temperature of the flue gas is solved.
Description
Technical Field
The invention relates to the technical field of flue gas cooling devices, in particular to a high-temperature high-dust metallurgical flue gas cooling device.
Background
Metallurgy is the process and technology of extracting metals or metal compounds from minerals to produce metallic materials with certain properties by various processing methods.
A large amount of high-temperature high-dust flue gas can be discharged in the metallurgical process, and when the bag-type dust collector is directly used for filtering and removing dust from the high-temperature high-dust flue gas, the load of the bag-type dust collector is increased due to high temperature, so that the bag-type dust collector for filtering the high-temperature flue gas is easy to damage.
Therefore, a high-temperature high-dust metallurgical flue gas cooling device is provided for solving the problems.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior art and provides a high-temperature high-dust metallurgical flue gas cooling device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature high-dust metallurgical flue gas cooling device comprises a flue communicated with a metallurgical furnace, wherein one end of the flue is communicated with a pipeline, the upper end of the pipeline is communicated with a cooling box body, the inner wall of the cooling box body is fixedly connected with a water inlet ring and a water outlet ring respectively, a cooling pipe is communicated between the water inlet ring and the water outlet ring, the side wall of one side of the water inlet ring is communicated with a water inlet pipe, the side wall of one side of the water outlet ring is communicated with a water outlet pipe, and one ends of the water inlet pipe and the water outlet pipe penetrate through the cooling box body;
the lower fixed surface of pipeline is connected with the collecting box, and is provided with in the pipeline and blocks the subassembly, and the outer wall cover of cooling tube is equipped with the scraping ring, and the equal fixedly connected with bearing of inner wall of ring of intaking and play water, and the reciprocal lead screw of inner wall fixedly connected with of bearing, the outer wall meshing of reciprocal lead screw has the adapter sleeve, and the one end of adapter sleeve runs through scraping ring and scraping ring fixed connection, the one end of reciprocal lead screw with block the subassembly and pass through the transmission assembly transmission and be connected.
Preferably, the blocking assembly comprises a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the pipeline, and the outer wall of the rotating shaft is fixedly connected with a plurality of blocking blades.
Preferably, the transmission assembly comprises a first belt pulley, a second belt pulley and a transmission belt, the first belt pulley and the second belt pulley are rotatably connected through the transmission belt, a first connecting shaft is fixedly connected with one side wall of the first belt pulley, one end of the first connecting shaft penetrates through the pipeline and is fixedly connected with the rotating shaft, a second connecting shaft is fixedly connected with one side wall of the second belt pulley, and one end of the second connecting shaft penetrates through the cooling box and is fixedly connected with the reciprocating screw rod.
Preferably, the outer wall fixedly connected with ring pipe of cooling box, and one side lateral wall intercommunication of ring pipe has a plurality of atomizer, and the one end of atomizer runs through the setting of cooling box, and one side lateral wall intercommunication of inlet tube has the connection water pipe, and the other end and the ring pipe intercommunication setting of connecting the water pipe.
Preferably, the upper end of the cooling box body is communicated with a smoke exhaust connecting pipe, the inner wall of the smoke exhaust connecting pipe is fixedly connected with a clamping ring, and a filter screen plate is arranged in the clamping ring.
Preferably, the outer wall of the filter screen plate is fixedly connected with a plurality of first springs, the other ends of the first springs are fixedly connected with the inner wall of the clamping ring, the upper end of the scraping ring is fixedly connected with a second spring, the upper end of the second spring is fixedly connected with a knocking ball, and the lower surface of the filter screen plate is fixedly connected with a knocking block.
Preferably, the hole has all been seted up to the both sides lateral wall of pipeline, and one side intercommunication of hole has the casing, casing and pipeline fixed connection, the inner wall of casing rotates and is connected with the bull stick, and the outer wall fixedly connected with flabellum of bull stick, the one end of bull stick runs through the casing setting, be located the outside bull stick one end fixedly connected with first gear of casing, the fixed cover of outer wall of first connecting axle is equipped with the second gear, and second gear and first gear meshing set up, the upper surface intercommunication of casing has the smoke returning pipe, and the one end of smoke returning pipe runs through the setting of cooling box.
Preferably, the outer wall cover of first connecting axle is equipped with changes the cover, and changes the outer wall fixedly connected with bracing piece of cover, the one end and the collecting box fixed connection of bracing piece.
Preferably, the inner wall of the hole far away from the shell is fixedly connected with a separation net.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cooling box body, the water inlet ring, the water outlet ring, the cooling pipe and the like are arranged for matching use, so that the flue gas can be cooled, and the problem that the bag-type dust remover for filtering high-temperature flue gas is easy to damage due to the increase of the load of the bag-type dust remover caused by overhigh temperature of the flue gas is solved.
2. According to the invention, the blocking assembly, the scraping ring, the bearing, the reciprocating screw rod and the like are arranged for matching use, so that dust adhered to the outer wall of the cooling pipe can be scraped when the cooling pipe cools high-temperature flue gas, and the phenomenon that the dust is adhered to the outer wall of the cooling pipe to reduce the cooling effect of the cooling pipe is avoided.
3. According to the invention, through the matching use of the annular pipe, the atomizing nozzle, the connecting water pipe and the like, when high-temperature and high-dust gas passes through the cooling box body, water mist can be sprayed into the cooling box body through the atomizing nozzle, the high-temperature and high-dust gas can be further cooled, meanwhile, dust can be removed from the high-temperature and high-dust gas through the sprayed water mist, the dust content of the high-temperature and high-dust gas is reduced, and the later-stage filtering of a bag-type dust collector is facilitated.
4. According to the invention, through arranging the filter screen plate, dust in high-temperature and high-dust gas can be preliminarily filtered, the dust content of the high-temperature and high-dust gas is further reduced, and through arranging the first spring, the second spring, the knocking ball, the knocking block and the like, when the scraping ring moves back and forth to scrape off the dust adhered to the cooling pipe, the scraping ring moving back and forth drives the second spring and the knocking ball to move, so that the knocking ball extrudes the knocking block, the filter screen plate is vibrated, the dust adhered to the filter screen plate is shaken off, and the filter screen plate is prevented from being blocked.
5. According to the invention, through the arrangement of the holes, the shell, the fan blades, the rotating rod and the like in a matched manner, the problem that the blocking blades transfer high-temperature and high-dust flue gas into the collection box can be avoided or reduced when the rotating shaft and the blocking blades rotate.
Drawings
FIG. 1 is a schematic cross-sectional view of a high-temperature and high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 2 is a schematic view of a partial structure of a high-temperature high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 3 is a schematic view of a pipe structure of a high-temperature and high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 4 is a schematic structural view of a transmission assembly of the high-temperature and high-dust metallurgical flue gas cooling device provided by the invention;
FIG. 5 is a schematic view of a scraper ring structure of a high-temperature and high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 6 is a schematic structural view of a barrier assembly of a high temperature and high dust metallurgical flue gas cooling device according to the present invention;
FIG. 7 is a schematic structural diagram of a filter screen of a high-temperature and high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 8 is a schematic diagram of a side view of a pipeline of a high temperature and high dust metallurgical flue gas cooling device according to the present invention;
FIG. 9 is a schematic view of a water outlet ring structure of a high-temperature high-dust metallurgical flue gas cooling device according to the present invention;
fig. 10 is an enlarged schematic view of a portion a in fig. 7.
In the figure: 1. a flue; 2. a pipeline; 3. cooling the box body; 4. a water inlet ring; 5. a water outlet ring; 6. a cooling tube; 7. a water inlet pipe; 8. a water outlet pipe; 9. a collection box; 10. scraping rings; 11. a bearing; 12. a reciprocating screw rod; 13. connecting sleeves; 14. a rotating shaft; 15. a barrier blade; 16. a first pulley; 17. a second pulley; 18. a drive belt; 19. a first connecting shaft; 20. a second connecting shaft; 21. an annular tube; 22. an atomizing spray head; 23. connecting a water pipe; 24. a smoke exhaust connecting pipe; 25. a snap ring; 26. a filter screen plate; 27. a first spring; 28. a second spring; 29. knocking the ball; 30. knocking blocks; 31. a hole; 32. a housing; 33. a rotating rod; 34. a fan blade; 35. a first gear; 36. a second gear; 37. a smoke returning pipe; 38. rotating the sleeve; 39. a support bar; 40. and (4) isolating nets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-10, a high-temperature and high-dust metallurgical flue gas cooling device comprises a flue 1 communicated with a metallurgical furnace, wherein one end of the flue 1 is communicated with a pipeline 2, the upper end of the pipeline 2 is communicated with a cooling box body 3, the inner wall of the cooling box body 3 is respectively and fixedly connected with a water inlet ring 4 and a water outlet ring 5, a cooling pipe 6 is communicated between the water inlet ring 4 and the water outlet ring 5, the side wall of one side of the water inlet ring 4 is communicated with a water inlet pipe 7, the side wall of one side of the water outlet ring 5 is communicated with a water outlet pipe 8, and one end of each of the water inlet pipe 7 and the water outlet pipe 8 penetrates through the cooling box body 3;
the lower fixed surface of pipeline 2 is connected with collecting box 9, and be provided with in the pipeline 2 and block the subassembly, the outer wall cover of cooling tube 6 is equipped with scraping ring 10, the equal fixedly connected with bearing 11 of the inner wall of ring 4 and play water ring 5 of intaking, and the reciprocal lead screw 12 of the inner wall fixedly connected with of bearing 11, the outer wall meshing of reciprocal lead screw 12 has adapter sleeve 13, and the one end of adapter sleeve 13 runs through scraping ring 10 and scraping ring 10 fixed connection, the one end of reciprocal lead screw 12 with block the subassembly and pass through the transmission assembly transmission and be connected.
Further, block the subassembly and include pivot 14, and pivot 14 rotates with 2 inner walls of pipeline to be connected, and the outer wall fixedly connected with of pivot 14 a plurality of blades 15 that block, through setting up pivot 14 and blocking cooperation such as blade 15 and using, can block the flue gas, avoid the flue gas to get into in the collecting box 9.
Further, the transmission assembly comprises a first belt pulley 16, a second belt pulley 17 and a transmission belt 18, the first belt pulley 16 is rotatably connected with the second belt pulley 17 through the transmission belt 18, one side wall of the first belt pulley 16 is fixedly connected with a first connecting shaft 19, one end of the first connecting shaft 19 penetrates through the pipeline 2 and the rotating shaft 14, one side wall of the second belt pulley 17 is fixedly connected with a second connecting shaft 20, one end of the second connecting shaft 20 penetrates through the cooling box body 3 and the reciprocating screw rod 12, the first belt pulley 16, the second belt pulley 17, the first connecting shaft 19 and the second connecting shaft 20 are matched for use, and the blocking assembly for blowing the smoke gas drives the reciprocating screw rod 12 to rotate.
Further, outer wall fixedly connected with ring pipe 21 of cooling box 3, and one side lateral wall intercommunication of ring pipe 21 has a plurality of atomizer 22, atomizer 22's one end runs through cooling box 3 and sets up, one side lateral wall intercommunication of inlet tube 7 has connection water pipe 23, and the other end and the ring pipe 21 intercommunication setting of connecting water pipe 23, through setting up ring pipe 21, atomizer 22 uses with cooperation such as connection water pipe 23, can be when high temperature high dust gas is through cooling box 3, spray water smoke in to cooling box 3 through atomizer 22, can further cool down high temperature high dust gas, and simultaneously, can also carry out the dust fall through the water smoke that sprays to high temperature high dust gas, reduce the dust content of high temperature high dust gas, and then be convenient for the filtration of later stage sack cleaner.
Further, the upper end intercommunication of cooling box 3 has the connecting pipe 24 of discharging fume, and the inner wall fixedly connected with snap ring 25 of the connecting pipe 24 of discharging fume, is provided with filter plate 26 in the snap ring 25, through setting up filter plate 26, can prefilter the dust in the high-temperature high-dust gas, further reduction high-temperature high-dust gas's dust content.
Further, the outer wall of the filter screen plate 26 is fixedly connected with a plurality of first springs 27, the other ends of the first springs 27 are fixedly connected with the inner wall of the snap ring 25, the upper end of the scraping ring 10 is fixedly connected with a second spring 28, the upper end of the second spring 28 is fixedly connected with a knocking ball 29, the lower surface of the filter screen plate 26 is fixedly connected with a knocking block 30, the scraping ring 10 can move back and forth to scrape off dust adhered to the cooling pipe 6 through the cooperation of the first springs 27, the second springs 28, the knocking ball 29 and the knocking block 30, the scraping ring 10 can drive the second springs 28 and the knocking ball 29 to move, the knocking ball 29 extrudes the knocking block 30, the filter screen plate 26 is vibrated, the dust adhered to the filter screen plate 26 is shaken, and the filter screen plate 26 is prevented from being blocked.
Furthermore, holes 31 are respectively arranged on the side walls of the two sides of the pipeline 2, one side of each hole 31 is communicated with a shell 32, the shell 32 is fixedly connected with the pipeline 2, the inner wall of the shell 32 is rotatably connected with a rotating rod 33, and the outer wall of the rotating rod 33 is fixedly connected with fan blades 34, one end of the rotating rod 33 is arranged to penetrate through the shell 32, one end of the rotating rod 33 positioned outside the shell 32 is fixedly connected with a first gear 35, the outer wall of the first connecting shaft 19 is fixedly sleeved with a second gear 36, the second gear 36 is engaged with the first gear 35, the upper surface of the housing 32 is communicated with a smoke returning pipe 37, one end of the smoke returning pipe 37 is arranged through the cooling box 3, and is used by matching with the hole 31, the shell 32, the fan blades 34, the rotating rod 33 and the like, the problem that the blocking blade 15 transfers the high-temperature and high-dust flue gas into the collection box 9 can be avoided or reduced when the rotating shaft 14 and the blocking blade 15 rotate.
Further, the outer wall cover of first connecting axle 19 is equipped with changes cover 38, and changes the outer wall fixedly connected with bracing piece 39 of cover 38, and the one end and the collecting box 9 fixed connection of bracing piece 39 use through setting up cooperation such as changeing cover 38 and bracing piece 39, can support and erect first connecting axle 19.
Further, the inner wall of the hole 31 far away from the shell 32 is fixedly connected with a separation net 40, and through the arrangement of the separation net 40, dust can be prevented from being discharged through the hole 31.
In the invention, before use, the bag-type dust collector is communicated with the smoke exhaust connecting pipe 24, then the cooling water pipe is communicated with the water inlet pipe 7, and then the hot water pipe is communicated with the water outlet pipe 8, so that the cooling water can enter the water inlet pipe 7 through the cooling water pipe, and the cooling water entering the water inlet pipe 7 is discharged through the cooling pipe 6 and the water outlet pipe 8;
when the dust remover is used, smoke enters the cooling box body 3 through the pipeline 2, the smoke entering the cooling box body 3 is cooled through the cooling pipe 6, and the cooled smoke enters the bag-type dust remover through the smoke exhaust connecting pipe 24 to be filtered and dedusted;
before the flue gas enters the bag-type dust collector through the smoke exhaust connecting pipe 24, a part of cooling water enters the annular pipe 21 through the connecting water pipe 23, and the cooling water entering the annular pipe 21 is sprayed out from the atomizing nozzle 22, so that the cooling water sprayed out from the atomizing nozzle 22 cools the flue gas again, and meanwhile, the cooling water sprayed out from the atomizing nozzle 22 dustfalls the flue gas;
when the flue gas enters the smoke exhaust connecting pipe 24, the flue gas passes through the filter screen plate 26, and when the flue gas passes through the filter screen plate 26, the filter screen plate 26 primarily filters the flue gas to reduce the dust content of the flue gas, so that the subsequent bag-type dust remover can filter and remove dust conveniently;
when the flue gas passes through the pipeline 2, the flue gas blows the blocking blade 15, so that the blocking blade 15 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the first connecting shaft 19 to rotate, the rotating first connecting shaft 19 drives the first belt pulley 16 to rotate, the rotating first belt pulley 16 drives the second belt pulley 17 to rotate through the transmission belt 18, the rotating second belt pulley 17 drives the second connecting shaft 20 to rotate, the rotating second connecting shaft 20 drives the reciprocating screw rod 12 to rotate, and the rotating reciprocating screw rod 12 drives the scraping ring 10 to move back and forth, so that the scraping ring 10 scrapes off dust adhered to the outer wall of the cooling pipe 6, and the problem that the cooling effect of the cooling pipe 6 is influenced by the dust adhered to the outer wall of the cooling pipe is avoided;
meanwhile, when the scraping ring 10 moves back and forth, the moving scraping ring 10 drives the second spring 28 and the knocking ball 29 to move, and the moving knocking ball 29 collides with the knocking block 30, so that the knocking block 30 shakes with the filter screen plate 26, dust adhered to the filter screen plate 26 can be shaken off, and the filter screen plate 26 is prevented from being blocked;
and when pivoted pivot 14 drove first connecting axle 19 and rotates, pivoted first connecting axle 19 drove second gear 36 and rotates, pivoted second gear 36 drove first gear 35 and rotates, pivoted first gear 35 drove bull stick 33 and rotates, pivoted bull stick 33 drove flabellum 34 and rotates, two high temperature high dust gas that block between blade 15 are extracted to pivoted flabellum 34, again in the leading-in cooling box 3 of high temperature high dust gas, avoid blockking that blade 15 shifts over to high temperature high dust gas to in collecting box 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. A high-temperature high-dust metallurgical flue gas cooling device comprises a flue (1) communicated with a metallurgical furnace, and is characterized in that one end of the flue (1) is communicated with a pipeline (2), the upper end of the pipeline (2) is communicated with a cooling box body (3), the inner wall of the cooling box body (3) is fixedly connected with a water inlet ring (4) and a water outlet ring (5) respectively, a cooling pipe (6) is communicated between the water inlet ring (4) and the water outlet ring (5), one side wall of the water inlet ring (4) is communicated with a water inlet pipe (7), one side wall of the water outlet ring (5) is communicated with a water outlet pipe (8), and one ends of the water inlet pipe (7) and the water outlet pipe (8) are arranged in a way of penetrating through the cooling box body (3);
the lower fixed surface of pipeline (2) is connected with collecting box (9), and be provided with in pipeline (2) and block the subassembly, the outer wall cover of cooling tube (6) is equipped with scraping ring (10), the equal fixedly connected with bearing (11) of inner wall of ring (5) of intaking ring (4) and play water, and the reciprocal lead screw (12) of inner wall fixedly connected with of bearing (11), the outer wall meshing of reciprocal lead screw (12) has adapter sleeve (13), and the one end of adapter sleeve (13) runs through scraping ring (10) and scraping ring (10) fixed connection, the one end of reciprocal lead screw (12) with block the subassembly and pass through the transmission assembly transmission and be connected.
2. A high temperature and high dust metallurgical flue gas cooling device according to claim 1, characterized in that the blocking assembly comprises a rotating shaft (14), the rotating shaft (14) is rotatably connected with the inner wall of the pipeline (2), and a plurality of blocking blades (15) are fixedly connected with the outer wall of the rotating shaft (14).
3. A high temperature and high dust metallurgical flue gas cooling device according to claim 2, wherein the transmission component comprises a first belt pulley (16), a second belt pulley (17) and a transmission belt (18), the first belt pulley (16) and the second belt pulley (17) are rotatably connected through the transmission belt (18), a first connecting shaft (19) is fixedly connected to one side wall of the first belt pulley (16), one end of the first connecting shaft (19) penetrates through the pipeline (2) and is fixedly connected with the rotating shaft (14), a second connecting shaft (20) is fixedly connected to one side wall of the second belt pulley (17), and one end of the second connecting shaft (20) penetrates through the cooling box (3) and is fixedly connected with the reciprocating screw rod (12).
4. A high-temperature high-dust metallurgical flue gas cooling device according to claim 1, 2 or 3, characterized in that the outer wall of the cooling box body (3) is fixedly connected with a ring-shaped pipe (21), one side wall of the ring-shaped pipe (21) is communicated with a plurality of atomizing nozzles (22), one end of each atomizing nozzle (22) penetrates through the cooling box body (3) to be arranged, one side wall of the water inlet pipe (7) is communicated with a connecting water pipe (23), and the other end of the connecting water pipe (23) is communicated with the ring-shaped pipe (21) to be arranged.
5. A high-temperature high-dust metallurgical flue gas cooling device according to claim 1, 2 or 3, characterized in that the upper end of the cooling box body (3) is communicated with a smoke exhaust connecting pipe (24), the inner wall of the smoke exhaust connecting pipe (24) is fixedly connected with a clamping ring (25), and a filter screen plate (26) is arranged in the clamping ring (25).
6. A high temperature and high dust metallurgical flue gas cooling device according to claim 5, characterized in that the outer wall of the filter screen plate (26) is fixedly connected with a plurality of first springs (27), the other ends of the first springs (27) are fixedly connected with the inner wall of the snap ring (25), the upper end of the scraper ring (10) is fixedly connected with a second spring (28), the upper end of the second spring (28) is fixedly connected with a knocking ball (29), and the lower surface of the filter screen plate (26) is fixedly connected with a knocking block (30).
7. A high temperature and high dust metallurgical flue gas cooling device according to claim 1, 2, 3 or 6, it is characterized in that the side walls of the two sides of the pipeline (2) are both provided with holes (31), a shell (32) is communicated with one side of the hole (31), the shell (32) is fixedly connected with the pipeline (2), the inner wall of the shell (32) is rotatably connected with a rotating rod (33), and the outer wall of the rotating rod (33) is fixedly connected with fan blades (34), one end of the rotating rod (33) penetrates through the shell (32), one end of the rotating rod (33) positioned outside the shell (32) is fixedly connected with a first gear (35), the outer wall of the first connecting shaft (19) is fixedly sleeved with a second gear (36), the second gear (36) is meshed with the first gear (35), the upper surface of the shell (32) is communicated with a smoke returning pipe (37), and one end of the smoke returning pipe (37) penetrates through the cooling box body (3).
8. A high temperature and high dust metallurgical flue gas cooling device according to claim 7, characterized in that the outer wall of the first connecting shaft (19) is sleeved with a rotating sleeve (38), the outer wall of the rotating sleeve (38) is fixedly connected with a support rod (39), and one end of the support rod (39) is fixedly connected with the collecting box (9).
9. A high temperature and high dust metallurgical flue gas cooling device according to claim 7, characterized in that the inner wall of the hole (31) far away from the shell (32) is fixedly connected with a screen (40).
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Cited By (1)
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| CN114754597B (en) | 2024-03-29 |
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