CN114754597B - 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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- CN114754597B CN114754597B CN202210350249.XA CN202210350249A CN114754597B CN 114754597 B CN114754597 B CN 114754597B CN 202210350249 A CN202210350249 A CN 202210350249A CN 114754597 B CN114754597 B CN 114754597B
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- fixedly connected
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- pipe
- ring
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 81
- 239000000428 dust Substances 0.000 title claims abstract description 73
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000003546 flue gas Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000000779 smoke Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000007790 scraping Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 244000309464 bull Species 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 8
- 241000208125 Nicotiana Species 0.000 claims description 6
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 15
- 239000000498 cooling water Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052500 inorganic mineral 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
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 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, a water inlet pipe is communicated with one side wall of the water inlet ring, a water outlet pipe is communicated with one side wall of the water outlet ring, and one ends of the water inlet pipe and the water outlet pipe are all arranged 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 use in a matched manner, so that the flue gas can be cooled, and the problem that the bag-type dust collector for filtering high-temperature flue gas is easy to damage due to the fact that the load of the bag-type dust collector is increased due to the fact that the temperature of the flue gas is too high is avoided.
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 metal or metal compounds from minerals and making metals into metallic materials with certain properties by various processing methods.
A large amount of high-temperature and high-dust smoke is discharged in the metallurgical process, and when the high-temperature and high-dust smoke is directly filtered and dedusted by using the bag-type dust collector, the load of the bag-type dust collector is increased at high temperature, so that the bag-type dust collector for filtering the high-temperature smoke is easy to damage.
Therefore, we propose a high-temperature high-dust metallurgical flue gas cooling device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a high-temperature high-dust metallurgical flue gas cooling device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the high-temperature high-dust metallurgical flue gas cooling device comprises a flue communicated with a metallurgical furnace, 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, a water inlet pipe is communicated with one side wall of the water inlet ring, a water outlet pipe is communicated with one side wall of the water outlet ring, and one ends of the water inlet pipe and the water outlet pipe are all arranged through the cooling box body;
the lower surface fixedly connected with collecting box of pipeline, and be provided with in the pipeline and block the subassembly, the outer wall cover of cooling tube is equipped with scrapes the ring, and the equal fixedly connected with bearing of inner wall of water inlet ring and play water ring, and the inner wall fixedly connected with reciprocating lead screw of bearing, the outer wall meshing of reciprocating lead screw has the adapter sleeve, and the one end of adapter sleeve runs through and scrapes ring fixed connection, and reciprocating lead screw's one end passes through drive assembly transmission with the subassembly that blocks and be connected.
Preferably, the blocking assembly comprises a rotating shaft, the rotating shaft is rotationally connected with the inner wall of the pipeline, and a plurality of blocking blades are fixedly connected with the outer wall of the rotating shaft.
Preferably, the transmission assembly comprises a first belt pulley, a second belt pulley and a transmission belt, the first belt pulley is rotationally connected with the second belt pulley through the transmission belt, one side wall of the first belt pulley is fixedly connected with a first connecting shaft, one end of the first connecting shaft penetrates through a pipeline and is fixedly connected with a rotating shaft, one side wall of the second belt pulley is fixedly connected with a second connecting shaft, and one end of the second connecting shaft penetrates through a cooling box body and is fixedly connected with a reciprocating screw rod.
Preferably, the outer wall fixedly connected with annular pipe of cooling box, and one side lateral wall intercommunication of annular pipe has a plurality of atomizer, and atomizer's one end runs through the cooling box setting, and one side lateral wall intercommunication of inlet tube has the connecting water pipe, and the other end and the annular pipe intercommunication setting of connecting water pipe.
Preferably, the upper end of the cooling box body is communicated with a smoke discharging connecting pipe, the inner wall of the smoke discharging connecting pipe is fixedly connected with a clamping ring, and a filter screen plate is arranged in the clamping ring.
Preferably, the outer wall fixedly connected with of filter screen plate is a plurality of first springs, and the other end and the snap ring inner wall fixed connection of first spring, the upper end fixedly connected with second spring of scraping the ring, and the upper end fixedly connected with of second spring strikes the ball, and the lower surface fixedly connected with of filter screen plate strikes the piece.
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, and the inner wall rotation of casing is connected with the bull stick, and the outer wall fixedly connected with flabellum of bull stick, and the one end of bull stick runs through the casing setting, is located the outside bull stick one end fixedly connected with first gear of casing, and the outer wall fixed cover of first connecting axle is equipped with the second gear, and second gear and first gear meshing setting, and the upper surface intercommunication of casing has the back tobacco pipe, and the one end that returns the tobacco pipe runs through the cooling box setting.
Preferably, the outer wall of the first connecting shaft is sleeved with a rotating sleeve, the outer wall of the rotating sleeve is fixedly connected with a supporting rod, and one end of the supporting rod is fixedly connected with the collecting box.
Preferably, a separation net is fixedly connected to the inner wall of the hole far away from the shell.
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 use in a matched manner, so that the flue gas can be cooled, and the problem that the bag-type dust collector for filtering high-temperature flue gas is easy to damage due to the fact that the load of the bag-type dust collector is increased due to the fact that the temperature of the flue gas is too high is avoided.
2. According to the invention, the blocking component, the scraping ring, the bearing, the reciprocating screw rod and the like are arranged for use in a matched manner, so that dust adhered to the outer wall of the cooling pipe can be scraped off when the cooling pipe cools high-temperature flue gas, and the dust is prevented from adhering to the outer wall of the cooling pipe to reduce the cooling effect of the cooling pipe.
3. According to the invention, through the cooperation of the annular pipe, the atomizing nozzle, the connecting water pipe and the like, when high-temperature high-dust gas passes through the cooling box body, the atomizing nozzle sprays water mist into the cooling box body, so that the high-temperature high-dust gas can be further cooled, meanwhile, the high-temperature high-dust gas can be subjected to dust fall through the sprayed water mist, the dust content of the high-temperature high-dust gas is reduced, and further, the filtering of a later-stage bag-type dust collector is facilitated.
4. According to the invention, dust in high-temperature high-dust gas can be preliminarily filtered by arranging the filter screen plate, the dust content of the high-temperature high-dust gas is further reduced, and by arranging the first spring, the second spring, the knocking ball, the knocking block and the like to be matched, when the scraping ring moves back and forth to scrape dust adhered to the cooling pipe, the scraping ring which moves back and forth moves the second spring and the knocking ball, so that the knocking ball knocks the knocking block, the filter screen plate is further vibrated, the dust adhered to the filter screen plate is shaken off, and the blocking of the filter screen plate is avoided.
5. According to the invention, through the matching use of the holes, the shell, the fan blades, the rotating rods and the like, the problem that the blocking blades transfer high-temperature and high-dust smoke into the collecting box can be avoided or reduced when the rotating shafts and the blocking blades rotate.
Drawings
FIG. 1 is a schematic cross-sectional view of a high temperature and high dust metallurgical fume cooling device according to the present invention;
FIG. 2 is a schematic diagram of a part of a high-temperature and high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 3 is a schematic diagram of a pipeline structure of a high-temperature high-dust metallurgical flue gas cooling device according to the present invention;
FIG. 4 is a schematic diagram of a transmission assembly of a high temperature and high dust metallurgical fume cooling device according to the present invention;
FIG. 5 is a schematic view of a scraper ring structure of a high temperature and high dust metallurgical fume cooling device according to the present invention;
FIG. 6 is a schematic diagram of a blocking assembly of a high temperature and high dust metallurgical fume cooling device according to the present invention;
FIG. 7 is a schematic diagram of a structure of a filter screen plate of a high-temperature 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 the water outlet ring structure of a high temperature and high dust metallurgical fume cooling device according to the present invention;
fig. 10 is an enlarged schematic view of the structure at a in fig. 7.
In the figure: 1. a flue; 2. a pipe; 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. a scraping ring; 11. a bearing; 12. a reciprocating screw rod; 13. connecting sleeves; 14. a rotating shaft; 15. blocking the 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 nozzle; 23. connecting a water pipe; 24. a smoke discharging connecting pipe; 25. a clasp; 26. a filter screen plate; 27. a first spring; 28. a second spring; 29. knocking a 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 return pipe; 38. a rotating sleeve; 39. a support rod; 40. a separation net.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-10, a high-temperature 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 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 all arranged through the cooling box body 3;
the lower surface fixedly connected with collection box 9 of pipeline 2, and be provided with in the pipeline 2 and block the subassembly, the outer wall cover of cooling tube 6 is equipped with scrapes ring 10, and the equal fixedly connected with bearing 11 of inner wall of water inlet ring 4 and play water ring 5, and the inner wall fixedly connected with reciprocating lead screw 12 of bearing 11, the outer wall meshing of reciprocating lead screw 12 has adapter sleeve 13, and the one end of adapter sleeve 13 runs through scrapes ring 10 and scrapes ring 10 fixed connection, and the one end and the baffle subassembly of reciprocating lead screw 12 pass through the drive assembly transmission and are connected.
Further, the blocking component comprises a rotating shaft 14, the rotating shaft 14 is rotationally connected with the inner wall of the pipeline 2, the outer wall of the rotating shaft 14 is fixedly connected with a plurality of blocking blades 15, and smoke can be blocked by matching the rotating shaft 14 with the blocking blades 15 and the like, so that the smoke is prevented from entering 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 and the second belt pulley 17 are rotationally connected 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 is fixedly connected with 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 3 and is fixedly connected with the reciprocating screw 12, and through the arrangement of the first belt pulley 16, the second belt pulley 17, the first connecting shaft 19, the second connecting shaft 20 and the like, the blocking assembly blown by smoke can drive the reciprocating screw 12 to rotate.
Further, the outer wall fixedly connected with annular pipe 21 of cooling box 3, and one side lateral wall intercommunication of annular pipe 21 has a plurality of atomizer 22, atomizer 22's one end runs through cooling box 3 setting, inlet tube 7's one side lateral wall intercommunication has connecting water pipe 23, and connecting water pipe 23's the other end and annular pipe 21 intercommunication setting, through setting up annular pipe 21, atomizer 22 and connecting water pipe 23 etc. cooperation use, can spray water smoke in to cooling box 3 through atomizer 22 when high-temperature high-dust gas passes through cooling box 3, can further cool down high-temperature high-dust gas, simultaneously, still can carry out the dust fall to high-temperature high-dust gas through the water smoke that sprays, reduce high-temperature high-dust gas's dust content, and then be convenient for later stage sack cleaner's filtration.
Further, the upper end intercommunication of cooling box 3 has the connecting pipe 24 that discharges fume, and the inner wall fixedly connected with snap ring 25 of connecting pipe 24 that discharges fume is provided with the filter screen plate 26 in the snap ring 25, through setting up the filter screen plate 26, can preliminary filtration high temperature high dust gas in dust, further reduction high temperature high dust gas's dust content.
Further, the outer wall fixedly connected with of filter screen plate 26 is a plurality of first springs 27, and the other end and the snap ring 25 inner wall fixed connection of first spring 27, the upper end fixedly connected with second spring 28 of scraping ring 10, and the upper end fixedly connected with of second spring 28 strikes ball 29, the lower surface fixedly connected with of filter screen plate 26 strikes piece 30, through setting up first spring 27, second spring 28, strike ball 29 and strike piece 30 etc. the cooperation, can scrape the dust of adhesion on cooling tube 6 when scraping ring 10 back and forth movement, the scraping ring 10 of back and forth movement drives second spring 28 and strikes ball 29 motion, make and strike ball 29 strike piece 30, and then make filter screen plate 26 tremble, thereby shake off the dust of adhesion on filter screen plate 26, avoid filter screen plate 26 to block up.
Further, hole 31 has all been seted up to the both sides lateral wall of pipeline 2, and one side intercommunication of hole 31 has casing 32, casing 32 and pipeline 2 fixed connection, the inner wall rotation of casing 32 is connected with bull stick 33, and the outer wall fixedly connected with flabellum 34 of bull stick 33, the one end of bull stick 33 runs through casing 32 setting, the outside bull stick 33 one end fixedly connected with first gear 35 of casing 32, the fixed cover of outer wall of first connecting axle 19 is equipped with second gear 36, and second gear 36 and the meshing setting of first gear 35, the upper surface intercommunication of casing 32 has back tobacco pipe 37, and back tobacco pipe 37's one end runs through cooling box 3 setting, through setting up hole 31, casing 32, flabellum 34, bull stick 33 etc. cooperation use, can avoid or reduce the problem that blocks blade 15 to shift into collecting box 9 high temperature high dust's flue gas when pivot 14 and blocking blade 15 rotation.
Further, 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 supporting rod 39, one end of the supporting rod 39 is fixedly connected with the collecting box 9, and the first connecting shaft 19 can be supported and erected through the matching of the rotating sleeve 38 and the supporting rod 39.
Further, the inner wall of the hole 31 far away from the housing 32 is fixedly connected with a separation net 40, and by arranging 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 discharging 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 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 smoke filter 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 discharging connecting pipe 24 for filtering and dust removal;
before the flue gas enters the bag-type dust collector through the smoke discharging connecting pipe 24, 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 of the atomizing nozzle 22, so that the cooling water sprayed out of the atomizing nozzle 22 cools the flue gas again, and meanwhile, the cooling water sprayed out of the atomizing nozzle 22 reduces dust of the flue gas;
when the flue gas enters the flue gas discharging 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 carries out preliminary filtration on the flue gas so as to reduce the dust content of the flue gas, thereby being convenient for the filtration and dust removal of a later cloth bag dust remover;
when the flue gas passes through the pipeline 2, the flue gas blows the blocking blades 15, so that the blocking blades 15 drive 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, the rotating reciprocating screw rod 12 drives the scraping ring 10 to move back and forth, and the scraping ring 10 scrapes dust adhered to the outer wall of the cooling pipe 6, so that the cooling effect is prevented from being influenced by the dust adhered to the outer wall of the cooling pipe 6;
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 and the knocking block 30 collide, so that the knocking block 30 and the filter screen plate 26 tremble, and 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 the rotating shaft 14 drives the first connecting shaft 19 to rotate, the rotating first connecting shaft 19 drives the second gear 36 to rotate, the rotating second gear 36 drives the first gear 35 to rotate, the rotating first gear 35 drives the rotating rod 33 to rotate, the rotating rod 33 drives the fan blades 34 to rotate, the rotating fan blades 34 extract high-temperature high-dust gas between the two blocking blades 15, and then the high-temperature high-dust gas is led into the cooling box body 3, so that the blocking blades 15 are prevented from transferring the high-temperature high-dust gas into the collecting box 9.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a high temperature high dust metallurgical flue gas cooling device, including flue (1) of intercommunication metallurgical stove, a serial communication port, the one end intercommunication of flue (1) has pipeline (2), and the upper end intercommunication of pipeline (2) has cooling box (3), the inner wall of cooling box (3) is fixedly connected with water inlet ring (4) and play water ring (5) respectively, and the intercommunication has cooling tube (6) between water inlet ring (4) and play water ring (5), one side lateral wall intercommunication of water inlet ring (4) has inlet tube (7), and one side lateral wall intercommunication of play water ring (5) has outlet pipe (8), one end of inlet tube (7) and outlet pipe (8) all runs through cooling box (3) setting;
the lower surface of the pipeline (2) is fixedly connected with a collecting box (9), a blocking component is arranged in the pipeline (2), a scraping ring (10) is sleeved on the outer wall of the cooling pipe (6), bearings (11) are fixedly connected to the inner walls of the water inlet ring (4) and the water outlet ring (5), a reciprocating screw (12) is fixedly connected to the inner wall of the bearings (11), a connecting sleeve (13) is meshed with the outer wall of the reciprocating screw (12), one end of the connecting sleeve (13) penetrates through the scraping ring (10) and is fixedly connected with the scraping ring (10), and one end of the reciprocating screw (12) is in transmission connection with the blocking component through a transmission component;
the blocking assembly comprises a rotating shaft (14), the rotating shaft (14) is rotationally 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);
the transmission assembly comprises a first belt pulley (16), a second belt pulley (17) and a transmission belt (18), wherein the first belt pulley (16) and the second belt pulley (17) are rotationally 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 body (3) and is fixedly connected with the reciprocating screw rod (12);
the outer wall of the cooling box body (3) is fixedly connected with an annular pipe (21), one side wall of the annular 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), 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 annular pipe (21);
the upper end of the cooling box body (3) is communicated with a smoke discharging connecting pipe (24), the inner wall of the smoke discharging connecting pipe (24) is fixedly connected with a clamping ring (25), and a filter screen plate (26) is arranged in the clamping ring (25);
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 clamping 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), and the lower surface of the filter screen plate (26) is fixedly connected with a knocking block (30);
hole (31) have all been seted up to the both sides lateral wall of pipeline (2), and one side intercommunication of hole (31) has casing (32), casing (32) and pipeline (2) fixed connection, the inner wall rotation of casing (32) is connected with bull stick (33), and the outer wall fixedly connected with flabellum (34) of bull stick (33), the one end of bull stick (33) runs through casing (32) setting, be located the outside bull stick (33) one end fixedly connected with first gear (35) of casing (32), the fixed cover of outer wall of first connecting axle (19) is equipped with second gear (36), and second gear (36) and first gear (35) meshing set up, the upper surface intercommunication of casing (32) has back tobacco pipe (37), and the one end that returns tobacco pipe (37) runs through cooling box (3) setting.
2. The high-temperature high-dust metallurgical flue gas cooling device according to claim 1, wherein a rotating sleeve (38) is sleeved on the outer wall of the first connecting shaft (19), a supporting rod (39) is fixedly connected to the outer wall of the rotating sleeve (38), and one end of the supporting rod (39) is fixedly connected with the collecting box (9).
3. A high temperature and high dust metallurgical fume cooling device according to claim 1 or 2, characterized in that a screen (40) is fixedly connected to the inner wall of the hole (31) remote from the housing (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN118391928B (en) * | 2024-05-13 | 2024-10-15 | 常州市范群干燥设备有限公司 | Flue gas cooling dust collection device of roasting rotary kiln |
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