CN117109321A - Sintering flue gas cooperative treatment device and method - Google Patents
Sintering flue gas cooperative treatment device and method Download PDFInfo
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- CN117109321A CN117109321A CN202311274922.7A CN202311274922A CN117109321A CN 117109321 A CN117109321 A CN 117109321A CN 202311274922 A CN202311274922 A CN 202311274922A CN 117109321 A CN117109321 A CN 117109321A
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- flue gas
- sulfur
- desulfurization
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 239000003546 flue gas Substances 0.000 title claims abstract description 169
- 238000005245 sintering Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000011282 treatment Methods 0.000 title abstract description 32
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 186
- 239000011593 sulfur Substances 0.000 claims abstract description 186
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 26
- 239000011707 mineral Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 118
- 230000023556 desulfurization Effects 0.000 claims description 118
- 238000007789 sealing Methods 0.000 claims description 70
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 51
- 238000011049 filling Methods 0.000 claims description 43
- 239000000779 smoke Substances 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 30
- 238000001179 sorption measurement Methods 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 239000004615 ingredient Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 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
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
Abstract
The invention relates to the technical field of sintering flue gas treatment, and provides a sintering flue gas cooperative treatment device and a sintering flue gas cooperative treatment method, wherein the sintering flue gas cooperative treatment device comprises a sintering machine body, a high-temperature section cooler, a low-temperature section cooler, a discharge cylinder, a heat exchange cylinder and a partition plate, wherein a sintering trolley is arranged in the sintering machine body, the cooling trolley is arranged between the high-temperature section cooler and the low-temperature section cooler, the discharge cylinder is communicated with the bottom of the sintering machine body, the heat exchange cylinder is arranged in the high-temperature section cooler, a rotation conveying assembly is arranged between the heat exchange cylinder and the high-temperature section cooler, the discharge cylinder is communicated with the rotation conveying assembly, and the rotation conveying assembly is used for driving the heat exchange cylinder to turn over. Through the technical scheme, the problem that resources are wasted during treatment of low-sulfur flue gas generated when other treatments are carried out on sintered mineral powder in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of sintering flue gas treatment, in particular to a device and a method for cooperatively treating sintering flue gas.
Background
The sintering machine is used for sintering a large amount of mineral powder into blocks, is mainly applied to a large-scale mineral powder treatment plant, the mineral powder is moved in the sintering machine by using a sintering trolley, so that the mineral powder loaded on the sintering trolley completes sintering and subsequent crushing treatment operation, a large amount of gas containing sulfur substances is generated in the process of sintering the mineral powder by using the sintering machine, a user needs to treat the gas, the environment is prevented from being polluted when the gas is discharged, part of CO is contained in the gas, the effect of supporting combustion of the sintering machine is also achieved, after the mineral powder is moved out of a sintering chamber of the sintering machine, some smoke is generated by the mineral powder when other treatments are carried out on the mineral powder, the sulfur substances contained in the smoke are less, and the same contains a small amount of sintering mineral raw materials, so that the gas cannot be directly discharged, and resource waste and environmental pollution are avoided.
The existing method for treating the flue gas is generally to prepare a special heating device, fully heat the low-sulfur flue gas to sinter the sinter raw material contained in the flue gas, recycle the sintered raw material, then perform desulfurization operation on the flue gas, and then discharge the flue gas, so that the heating device is required to be used in the treatment process of the flue gas, then the desulfurization device is arranged to desulfurize the low-sulfur flue gas, or the low-sulfur flue gas is conveyed into a desulfurization tower to perform desulfurization operation, and the desulfurization tower is mainly used for desulfurizing the flue gas with higher sulfur substances, so that the problem of resource waste is unavoidable when the low-sulfur flue gas is desulfurized, and the resource is wasted when the produced low-sulfur flue gas is treated when the mineral powder sintered by a sintering machine is subjected to other treatments.
Disclosure of Invention
The invention provides a device and a method for cooperatively treating sintering flue gas, which solve the problem that resources are wasted during low-sulfur flue gas treatment generated when other treatments are carried out on sintered mineral powder in the related technology.
The technical scheme of the invention is as follows: a sintering flue gas co-processing apparatus comprising:
the sintering machine comprises a sintering machine body, wherein a sintering trolley is arranged in the sintering machine body;
the cooling trolley is arranged between the high-temperature section cooler and the low-temperature section cooler;
the discharge cylinder is communicated with the bottom of the sintering machine body;
the heat exchange cylinder is arranged in the high-temperature section cooler, a rotary conveying assembly is arranged between the heat exchange cylinder and the high-temperature section cooler, the discharge cylinder is communicated with the rotary conveying assembly, and the rotary conveying assembly is used for conveying low-sulfur flue gas into the heat exchange cylinder while driving the heat exchange cylinder to overturn;
the partition plate is arranged in the heat exchange cylinder body and divides the heat exchange cylinder body into two heat exchange chambers;
the sliding discharge assembly is arranged on the heat exchange barrel and used for discharging mineral powder sintered in the heat exchange barrel from the heat exchange barrel through the discharge hole;
The desulfurization cylinder body is communicated with the rotary conveying assembly, and a desulfurization treatment assembly is arranged in the desulfurization cylinder body;
further comprises:
the separation plate is arranged in the discharge cylinder body and separates the discharge cylinder body into a high-sulfur flue and a low-sulfur flue;
the gas conveying assembly is arranged in the discharge cylinder and is used for discharging high-sulfur gas and low-sulfur gas generated by the sintering machine body;
the installation frames are arranged on the inner walls of the two sides of the high-temperature section cooler, and guide plates are rotatably arranged at the corresponding ends of the two installation frames;
the vibration assembly is arranged on the guide plate and comprises a rotating shaft, an eccentric wheel and a second motor, a rotating seat is arranged on the high-temperature section cooling machine, the rotating shaft is connected with the rotating seat in a rotating mode, a plurality of eccentric wheels are arranged on the rotating shaft and are in contact with the guide plate, a heat insulation box body is arranged on the high-temperature section cooling machine, the second motor is arranged on the rotating seat, the second motor is located in the heat insulation box body, and the output end of the second motor is fixedly connected with the rotating shaft.
The sintering flue gas cooperative treatment method uses the sintering flue gas cooperative treatment device, and comprises the following steps:
s1, conveying smoke, namely, in the working process of a sintering machine body, a large amount of high-sulfur smoke is generated in a sintering chamber, the high-sulfur smoke contains a large amount of sulfur substances and CO, the high-sulfur smoke discharged from the sintering machine body into a high-sulfur smoke chamber of a discharge bellows through a smoke conveying pipe, the high-sulfur smoke is discharged through a discharge pipeline, the low-sulfur smoke is also moved into the discharge bellows through the smoke conveying pipe, the low-sulfur smoke is conveyed into a dust remover through a heat-resistant fan, and the low-sulfur smoke enters a filling pipeline through an exhaust pipe;
s2, heating the flue gas, when the filling pipeline conveys the low-sulfur flue gas, the low-sulfur flue gas enters the sealing ring sleeve, the low-sulfur flue gas enters a heat exchange cavity in the same direction through closing a control valve on one communicating pipeline, in the process of cooling the sinter in the cooling trolley by the high-temperature section cooler, higher steam is generated, the heat exchange cylinder is heated by rising steam, when the low-sulfur flue gas flows in the heat exchange cavity, the low-sulfur flue gas is heated, sintered mineral matters in the low-sulfur flue gas are condensed, the low-sulfur gas after condensation and separation of the sinter enters the output pipeline through two communicating pipelines corresponding to each other, finally the low-sulfur flue gas is conveyed out of the high-temperature section cooler, and the condensed sinter is retained in the heat exchange cylinder under the influence of gravity;
S3, discharging the sinter, starting a first motor, driving a sealing ring sleeve and a heat exchange cylinder to turn over in a filling pipeline and an output pipeline through the meshing relationship of two meshing gears, enabling the heat exchange cylinder to incline, starting a driving electric cylinder in a corresponding direction, enabling the driving electric cylinder to drive a sealing cover, a connecting plate and a material taking plate to move, scraping out sinter components in a heat exchange cavity, enabling the sinter components to fall into a cooling trolley through an inclined guide plate in the falling process, enabling the sinter components to fall on the guide plate more rapidly, starting a second motor to drive a rotating shaft to rotate, enabling a plurality of eccentric wheels arranged on the rotating shaft to contact with the guide plate, and enabling the guide plate to vibrate;
s4, desulfurizing the flue gas, wherein the low-sulfur flue gas enters a desulfurization chamber which is not sealed by a sealing plate, filtering and screening large-particle impurities in the low-sulfur flue gas by a filter plate, and the filtered low-sulfur flue gas enters an adsorption layer which is an existing active carbon adsorption layer and can effectively adsorb sulfur substances, and then discharging the desulfurized flue gas through a discharge pipeline;
s5, cleaning a desulfurization chamber, starting a third motor, driving a rotating shaft to rotate through the meshing relationship of two driving gears, enabling a rotating cylinder to rotate at the bottom of a fixed cylinder, enabling a sealing plate to block the bottom of the desulfurization chamber which needs cleaning, enabling low-sulfur flue gas to carry out desulfurization operation through other desulfurization chambers, enabling a plurality of spraying pipes to move into the desulfurization chamber which needs cleaning, filling desulfurization liquid into a water-adding annular sleeve through a water-adding pipe, filling desulfurization liquid into the water-adding chamber in the rotating cylinder through the water-adding annular sleeve, enabling the desulfurization liquid to spray an adsorption layer through the spraying pipes, and enabling the cleaned sewage to flow into a liquid draining cylinder through a plurality of spraying heads communicated with the spraying pipes.
Further, in order to carry low sulfur flue gas to the heat transfer barrel, gas delivery assembly includes discharge bellows, flue gas conveyer pipe, exhaust pipe, heat-resisting fan and dust remover, also be provided with in the discharge bellows the division board, the division board will discharge bellows partition becomes low sulfur flue gas chamber and high sulfur flue gas chamber, high sulfur flue with communicate between the high sulfur flue gas chamber has the flue gas conveyer pipe, just low sulfur flue with also communicate between the low sulfur flue gas chamber has the flue gas conveyer pipe, exhaust pipe intercommunication is in on the high sulfur flue gas chamber, heat-resisting fan sets up on the outer wall of discharge bellows, heat-resisting fan's input with low sulfur flue gas chamber intercommunication, the input of dust remover with heat-resisting fan's output intercommunication, the output intercommunication of dust remover has the blast pipe.
Still further, in order to carry low sulfur flue gas to the heat exchange tube to be convenient for take out the flue gas condensate in the heat exchange tube, rotate conveying assembly and include filling pipeline, output pipeline, sealing ring cover, intercommunication pipeline, meshing gear and first motor, the filling pipeline with the output pipeline all sets up on the high temperature section cooler, the blast pipe with the filling pipeline intercommunication, the output pipeline with the bottom intercommunication of desulfurization tube, the filling pipeline with the output pipeline all with sealing ring cover seal rotates to be connected, just the filling pipeline with the output pipeline all with sealing ring cover intercommunication, sealing ring cover with heat exchange tube fixed connection, sealing ring cover with communicate between the heat transfer cavity has the intercommunication pipeline, be provided with the control valve on the communicating pipe, the quantity of meshing gear is two meshing gear intermeshing, one of them meshing gear sets up on one of them sealing ring cover, first motor sets up on the filling pipeline, another meshing gear sets up on the output of first motor.
In order to discharge the sintered ore after condensing in the heat exchange cavity, on the basis of the scheme, the sliding discharge assembly comprises a material taking plate, a sealing cover, a sliding frame and a driving electric cylinder, wherein the material taking plate is arranged in the heat exchange cavity in a sliding mode, the sealing cover is arranged on the material outlet, a connecting plate is arranged between the sealing cover and the material taking plate, the sliding frame is arranged on the heat exchange cylinder body, the sealing cover is in sliding connection with the sliding frame, the driving electric cylinder is arranged on the sliding frame, and the output end of the driving electric cylinder is fixedly connected with the sealing cover.
In order to handle the sulfur material in the low sulfur flue gas, further on the basis of this scheme, desulfurization processing unit includes flowing back barrel, fixed frame, adsorbed layer, filter, exhaust pipeline, closing cap and closed spray subassembly, the flowing back barrel sets up in the desulfurization barrel, the flowing back barrel with the intercommunication has the fluid-discharge tube between the desulfurization barrel, fixed frame sets up on the inner wall of flowing back barrel, be provided with a plurality of desulfurization cavities in the fixed frame, desulfurization cavity with the flowing back barrel intercommunication, the adsorbed layer sets up in the desulfurization cavity, the filter sets up the bottom of desulfurization cavity, the exhaust pipeline sets up the top of desulfurization barrel, the clearance mouth has been seted up to the bottom of desulfurization barrel, the closing cap sets up in the clearance mouth, closed spray subassembly sets up on the fixed frame for make the sulfur material in the corresponding desulfurization cavity handle.
In order to handle the sulfur material of adsorbing on the adsorbed layer, seal and spray the subassembly and include fixed section of thick bamboo, closure plate, pivot, drive gear, add water ring cover and shower, fixed section of thick bamboo sets up on the flowing back barrel, the bottom rotation of fixed section of thick bamboo is connected with the rotation section of thick bamboo, the rotation section of thick bamboo rotates the setting and is in fixed frame's middle part, the closure plate sets up the bottom of rotating the section of thick bamboo, the pivot rotates and sets up in the fixed section of thick bamboo, the rotation section of thick bamboo pass through two closure plates with pivot fixed connection, two in the rotation section of thick bamboo the region between the closure plate forms the water adding chamber, drive gear's quantity is two, one of them drive gear sets up in the pivot, be provided with the third motor in the fixed section of thick bamboo, another drive gear sets up on the third motor, it rotates to set up on the outer wall of rotating the section of thick bamboo to add water ring cover with water adding chamber intercommunication, it has the water pipe to add water ring cover intercommunication, it has a plurality of shower heads to add on the water adding chamber intercommunication.
The working principle and the beneficial effects of the invention are as follows:
1. According to the application, when mineral powder on the sintering trolley is sintered through the sintering machine body, a large amount of high-sulfur smoke is generated, and when the sintering trolley is moved out of a sintering chamber in the sintering machine body and is subjected to other treatment, a small amount of low-sulfur gas is also generated, the low-sulfur smoke and the high-sulfur smoke are respectively conveyed into a low-sulfur smoke chamber and a high-sulfur smoke chamber in an exhaust bellows through an exhaust cylinder, the high-sulfur smoke can be conveyed out through an exhaust pipeline, after the high-sulfur smoke is subjected to dust removal, desulfurization and other treatment by using external equipment, the high-sulfur gas can be continuously conveyed into a sintering chamber of the sintering machine body, and the sintering speed of the sintering machine body is improved through a large amount of CO in the high-sulfur smoke, so that the synergistic treatment of the high-sulfur smoke is realized;
2. in the application, when the sintering ore components doped in the low-sulfur flue gas are required to be fully heated and sintered, the low-sulfur flue gas can be conveyed into the heat exchange cylinder through the gas conveying component and the rotary conveying component, the low-sulfur flue gas can enter one of the heat exchange chambers through the communication pipeline, and a large amount of heat is generated in the high-temperature section cooler because the cooling of the sintering ore is a circulating and progressive cooling mode, the heat exchange cylinder is heated by the heat generated in the cooling process, so that the low-sulfur flue gas in the heat exchange cylinder is fully heated and combusted, the sintering ore components in the low-sulfur flue gas are condensed, and finally, the low-sulfur flue gas is discharged from the discharge port in the heat exchange cylinder and falls into the cooling trolley through the guide plate;
3. In the application, after the sinter in the low-sulfur flue gas is treated, the low-sulfur flue gas is conveyed into a desulfurization cylinder, a rotary cylinder rotates to drive a sealing plate to move, the sealing plate enables part of desulfurization chambers on a fixed frame to be sealed, the low-sulfur flue gas enters other desulfurization chambers, large particle impurities in the low-sulfur flue gas are screened through a filter plate to avoid blocking an adsorption layer, then sulfur substances in the low-sulfur flue gas are adsorbed through the adsorption layer, desulfurization operation on the low-sulfur flue gas is realized, after a large amount of sulfur substances are retained in the adsorption layer in the desulfurization chamber, the sealing plate can be moved, the sealing plate is moved to the lower side of the desulfurization chamber to be treated, desulfurization liquid is filled into a water-filling cavity through a water-filling ring sleeve, the desulfurization liquid is sprayed out through a spray header communicated with a spray pipe, the adsorption layer and the filter plate are cleaned, sewage for cleaning the adsorption layer can enter the liquid-discharging cylinder, and sewage for cleaning the filter plate can flow into the bottom of the desulfurization cylinder to discharge two types of sewage, and the continuous desulfurization operation can be improved;
4. Therefore, the sintering flue gas cooperative treatment device can recover sinter ingredients in low-sulfur flue gas generated by the sintering machine body by using the high-temperature section cooler, so that the cost of additionally arranging heating equipment is saved, the low-sulfur flue gas is cooperatively treated when the high-temperature section cooler cools the sinter, and the low-sulfur flue gas can be subjected to rapid desulfurization operation, and the treatment speed of the low-sulfur flue gas is improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a structure with portions broken away in the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the high temperature section cooler, gas delivery assembly and rotary delivery assembly of the present invention in partial cross-section;
FIG. 4 is a schematic view of a gas delivery assembly of the present invention, partially in section;
FIG. 5 is a schematic view of the high temperature section cooler and rotary conveyor assembly of the present invention in partial cross-section;
FIG. 6 is a schematic view in partial cross-section of the rotary transport assembly and heat exchange cartridge of the present invention;
FIG. 7 is a schematic view in partial cross-section of the heat exchange cartridge and slide vent assembly of the present invention mated;
FIG. 8 is a schematic view of the present invention with portions broken away showing the cooperation of the desulfurization cartridge, desulfurization treatment assembly and closed spray assembly;
FIG. 9 is a schematic view in partial cross-section of the cooperation of the desulfurization treatment assembly and the closed spray assembly of the present invention;
FIG. 10 is a schematic view of a closed spray assembly of the present invention, partially in section;
FIG. 11 is a schematic diagram showing the cooperation of the high-temperature section cooler, the low-temperature section cooler and the cooling trolley.
In the figure: 100. A gas delivery assembly; 200. rotating the conveying assembly; 300. a sliding drain assembly; 400. a desulfurization treatment assembly; 500. sealing the spraying assembly;
1. a sintering machine body; 2. sintering trolley; 3. a high temperature section cooler; 4. a low-temperature section cooler; 5. a cooling trolley; 6. a discharge cylinder; 7. a heat exchange cylinder; 8. a partition panel; 9. a desulfurizing cylinder; 10. a partition plate; 11. discharging a bellows; 12. a flue gas delivery pipe; 13. a discharge conduit; 14. a heat-resistant fan; 15. a dust remover; 16. an exhaust pipe; 17. a filling line; 18. an output line; 19. a seal ring sleeve; 20. a communication pipeline; 21. a meshing gear; 22. a first motor; 23. a material taking plate; 24. sealing cover; 25. a carriage; 26. driving an electric cylinder; 27. a mounting frame; 28. a guide plate; 29. a rotating shaft; 30. an eccentric wheel; 31. a second motor; 32. a liquid discharge cylinder; 33. a fixed frame; 34. an adsorption layer; 35. a filter plate; 36. a discharge line; 37. a closing cap; 38. a fixed cylinder; 39. a rotating cylinder; 40. a closing plate; 41. a rotating shaft; 42. a fixing plate; 43. a drive gear; 44. a third motor; 45. adding water into the ring sleeve; 46. a shower pipe; 47. a spray header.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, the embodiment provides a sintering flue gas co-processing device, which comprises a sintering machine body 1, a high-temperature section cooler 3, a low-temperature section cooler 4, a discharge cylinder 6, a heat exchange cylinder 7, a partition plate 8, a sliding discharge assembly 300 and a desulfurization cylinder 9, wherein a sintering trolley 2 is arranged in the sintering machine body 1, a cooling trolley 5 is arranged between the high-temperature section cooler 3 and the low-temperature section cooler 4, the sintering machine body 1 is one of the sintering machines in real life, the sintering trolley 2 is moved in the sintering machine body 1 by filling mineral powder into the sintering trolley 2, the sintering machine body 1 can carry out sintering operation on the mineral powder, and can carry out crushing after sintering the mineral powder into the sintering mineral powder, various processing treatments are completed, when the sintering mineral powder is crushed, a certain amount of low-sulfur flue gas is generated in the sintering machine body 1, the sulfur substance content in the sulfur-containing flue gas is low, so that a large-scale device such as a tower is used for carrying out desulfurization on the low-sulfur flue gas is easy, the cooling trolley 5 is further used for cooling the low-temperature flue gas, the low-temperature flue gas is required to be completely cooled by the cooling trolley 5, and the low-temperature flue gas is completely cooled by the cooling trolley is required to be completely cooled by the cooling trolley 5, and the low-temperature flue gas is completely cooled by the cooling tower.
As shown in fig. 1 to 4, the discharge cylinder 6 is communicated at the bottom of the sintering machine body 1, the partition plate 10 is arranged in the discharge cylinder 6, the partition plate 10 divides the discharge cylinder 6 into a high sulfur flue and a low sulfur flue, the gas delivery assembly 100 is arranged in the discharge cylinder 6, the gas delivery assembly 100 is used for discharging the high sulfur gas and the low sulfur gas generated by the sintering machine body 1, the gas delivery assembly 100 comprises a discharge bellows 11, a flue gas delivery pipe 12, a discharge pipeline 13, a heat-resistant fan 14 and a dust remover 15, the partition plate 10 is also arranged in the discharge bellows 11, the partition plate 10 divides the discharge bellows 11 into a low sulfur flue gas cavity and a high sulfur flue gas cavity, a flue gas delivery pipe 12 is communicated between the high sulfur flue and the high sulfur flue gas cavity, the flue gas delivery pipe 12 is also communicated between the low sulfur flue and the low sulfur flue gas cavity, the discharge pipeline 13 is communicated on the high sulfur flue gas cavity, the heat-resistant fan 14 is arranged on the outer wall of the discharge bellows 11, the input end of the heat-resistant fan 14 is communicated with the low-sulfur flue gas cavity, the input end of the dust remover 15 is communicated with the output end of the heat-resistant fan 14, the output end of the dust remover 15 is communicated with the exhaust pipe 16, a large amount of high-sulfur flue gas is generated in the sintering chamber in the working process of the sintering machine body 1, the high-sulfur flue gas discharged from the sintering machine body 1 into the high-sulfur flue gas cavity of the discharge bellows 11 through the flue gas conveying pipe 12, the high-sulfur flue gas can be discharged through the discharge pipeline 13 by using an external exhaust device, the high-sulfur gas can be continuously conveyed into the sintering chamber of the sintering machine body 1 after the high-sulfur flue gas is subjected to dust removal, desulfurization and other treatments by using the external device, the sintering speed of the sintering machine body 1 is improved by a large amount of CO in the high-sulfur flue gas, the high sulfur flue gas is cooperatively treated, the low sulfur flue gas is also moved into the exhaust bellows 11 from the exhaust cylinder 6 through the flue gas conveying pipe 12, the low sulfur flue gas is conveyed into the dust remover 15 through the heat-resistant fan 14, the dust remover 15 is conventional equipment for removing dust from the flue gas in real life, dust in the low sulfur flue gas can be removed in an electric dust removing or cloth bag dust removing mode, and then the low sulfur flue gas is discharged into the filling pipeline 17 through the exhaust pipe 16, so that the subsequent heating desulfurization operation on the low sulfur flue gas is completed.
As shown in fig. 1 to 7, the heat exchange cylinder 7 is arranged in the high temperature section cooler 3, a rotary conveying component 200 is arranged between the heat exchange cylinder 7 and the high temperature section cooler 3, the discharge cylinder 6 is communicated with the rotary conveying component 200, the rotary conveying component 200 is used for driving the heat exchange cylinder 7 to overturn and conveying low-sulfur smoke into the heat exchange cylinder 7, a partition plate 8 is arranged in the heat exchange cylinder 7, the partition plate 8 divides the heat exchange cylinder 7 into two heat exchange chambers, the rotary conveying component 200 comprises a filling pipeline 17, an output pipeline 18, a sealing ring sleeve 19, a communicating pipeline 20, a meshing gear 21 and a first motor 22, the filling pipeline 17 and the output pipeline 18 are all arranged on the high temperature section cooler 3, an exhaust pipe 16 is communicated with the filling pipeline 17, the output pipeline 18 is communicated with the bottom of the desulfurization cylinder 9, the filling pipeline 17 and the output pipeline 18 are all in sealed rotary connection with the sealing ring sleeve 19, the filling pipeline 17 and the output pipeline 18 are both communicated with the sealing ring sleeve 19, the sealing ring sleeve 19 is fixedly connected with the heat exchange cylinder 7, a communication pipeline 20 is communicated between the sealing ring sleeve 19 and the heat exchange cavity, a control valve is arranged on the communication pipeline 20, the number of the meshing gears 21 is two, the two meshing gears 21 are meshed with each other, one meshing gear 21 is arranged on one sealing ring sleeve 19, a first motor 22 is arranged on the filling pipeline 17, the other meshing gear 21 is arranged on the output end of the first motor 22, when the low-sulfur flue gas is conveyed through the filling pipeline 17, the low-sulfur flue gas smoothly enters the sealing ring sleeve 19, the control valve on one communication pipeline 20 is closed, the low-sulfur flue gas enters the heat exchange cavity in the same direction through the other communication pipeline 20, in the process of cooling the sinter in the cooling trolley 5 by the high-temperature section cooler 3, higher steam is generated, the heat exchange cylinder 7 is heated by rising steam, when low-sulfur smoke flows in the heat exchange cavity, the low-sulfur smoke is heated, sintered mineral matters in the low-sulfur smoke are condensed, the low-sulfur gas after condensation and separation of the sinter enters the output pipeline 18 through the two corresponding communication pipelines 20, the low-sulfur smoke is finally conveyed out of the high-temperature section cooler 3, the condensed sinter is retained in the heat exchange cylinder 7 under the influence of gravity, when the sinter is required to be discharged from the heat exchange cylinder 7, the first motor 22 is started, the sealing ring sleeve 19 and the heat exchange cylinder 7 are driven to overturn in the filling pipeline 17 and the output pipeline 18 through the meshing relationship of the two meshing gears 21, so that the sinter is more conveniently discharged through a discharge hole, and the principle that the sinter components in the low-sulfur smoke are sintered is as follows: calcium iron in the sinter is used as a catalyst, carbon monoxide, nitrogen oxides and ferric oxide undergo reduction reaction, and the components of the sinter in low-sulfur flue gas are coagulated by CO+NOX- & gtN 2+CO2, CO+Fe2O3- & gtFe3O4+CO2 and CO+Fe2O3- & gtFe+CO2.
As shown in fig. 1 to 7, a discharge hole is formed above the heat exchange chamber, a sliding discharge assembly 300 is arranged on the heat exchange barrel 7 and is used for discharging mineral powder sintered in the heat exchange barrel 7 from the heat exchange barrel 7 through the discharge hole, the sliding discharge assembly 300 comprises a material taking plate 23, a sealing cover 24, a sliding frame 25 and a driving electric cylinder 26, the material taking plate 23 is arranged in the heat exchange chamber in a sliding manner, the sealing cover 24 is arranged on the discharge hole, a connecting plate is arranged between the sealing cover 24 and the material taking plate 23, the sliding frame 25 is arranged on the heat exchange barrel 7, the sealing cover 24 is in sliding connection with the sliding frame 25, the driving electric cylinder 26 is arranged on the sliding frame 25, an output end of the driving electric cylinder 26 is fixedly connected with the sealing cover 24, and after the heat exchange barrel 7 is inclined, the driving electric cylinder 26 is started to drive the sealing cover 24, the connecting plate and the material taking plate 23 to move, so that sintered mineral components in the heat exchange chamber are scraped;
as shown in fig. 1 to 5, the mounting frames 27 are respectively arranged on the inner walls of the two sides of the high-temperature section cooler 3, the guide plates 28 are respectively arranged at one ends corresponding to the two mounting frames 27 in a rotating manner, vibration components are respectively arranged on the guide plates 28, each vibration component comprises a rotating shaft 29, an eccentric wheel 30 and a second motor 31, a rotating seat is arranged on the high-temperature section cooler 3, the rotating shafts 29 are rotationally connected with the rotating seats, a plurality of eccentric wheels 30 are arranged on the rotating shafts 29, the eccentric wheels 30 are in contact with the guide plates 28, a heat insulation box body is arranged on the high-temperature section cooler 3, the second motor 31 is arranged on the rotating seats, the second motor 31 is positioned in the heat insulation box body, the output ends of the second motor 31 are fixedly connected with the rotating shafts 29, and when the sintered ore components are scraped out, in order to enable the sintered ore to fall into the cooling trolley 5, the guide plates 28 are arranged on the mounting frames 27, the sintered ore components fall into the cooling trolley 5 through the inclined guide plates 28, and in order to enable the sintered ore components to fall into the cooling trolley 28, the rotating shafts 29 to be enabled to fall down more rapidly, and the second motor guide plates 29 are enabled to rotate more rapidly, and the second motor guide plates 31 are enabled to fall down on the rotating shafts 29, and the eccentric plates are enabled to rotate more rapidly, and the guide plates are enabled to fall on the rotating plates 29 to be enabled to be in contact with the rotating plates 28.
As shown in fig. 1 to 3 and fig. 8 to 10, the desulfurization cylinder 9 is communicated with the rotary conveying assembly 200, a desulfurization treatment assembly 400 is arranged in the desulfurization cylinder 9, the desulfurization treatment assembly 400 comprises a liquid discharge cylinder 32, a fixed frame 33, an adsorption layer 34, a filter plate 35, a discharge pipeline 36, a sealing cover 37 and a sealing spray assembly 500, the liquid discharge cylinder 32 is arranged in the desulfurization cylinder 9, a liquid discharge pipe is communicated between the liquid discharge cylinder 32 and the desulfurization cylinder 9, the fixed frame 33 is arranged on the inner wall of the liquid discharge cylinder 32, a plurality of desulfurization chambers are arranged in the fixed frame 33, the desulfurization chambers are communicated with the liquid discharge cylinder 32, the adsorption layer 34 is arranged in the desulfurization chambers, the filter plate 35 is arranged at the bottom of the desulfurization chambers, the discharge pipeline 36 is arranged at the top of the desulfurization cylinder 9, a cleaning opening is arranged at the bottom of the desulfurization cylinder 9, the sealing cover 37 is arranged in the cleaning opening, the sealing spray assembly 500 is arranged on the fixed frame 33, when the sulfur substances in the corresponding desulfurization chamber are required to be treated, and the low-sulfur flue gas filled into the desulfurization cylinder 9 through the output pipeline 18 is required to be desulfurized, because the sulfur substances in the flue gas are less, the low-sulfur flue gas firstly enters the desulfurization chamber which is not closed by the sealing plate 40, large-particle impurities in the low-sulfur flue gas are filtered and screened through the filter plate 35, the filtered low-sulfur flue gas enters the adsorption layer 34, the adsorption layer 34 is the existing active carbon adsorption layer 34 and can effectively adsorb the sulfur substances, part of sewage generated in the subsequent cleaning process of the adsorption layer 34 and the filter plate 35 can fall into the bottom of the desulfurization cylinder 9, a valve can be arranged at the communicating position of the output pipeline 18 and the desulfurization cylinder 9 and used for controlling the opening and closing of the bottom of the desulfurization cylinder 9, and then the sealing cover 37 is opened, cleaning the inside of the desulfurization cylinder 9;
The closed spray assembly 500 comprises a fixed cylinder 38, a closing plate 40, a rotating shaft 41, a driving gear 43, a water adding ring sleeve 45 and a spray pipe 46, wherein the fixed cylinder 38 is arranged on the liquid discharging cylinder 32, the bottom of the fixed cylinder 38 is rotationally connected with a rotating cylinder 39, the rotating cylinder 39 is rotationally arranged in the middle of a fixed frame 33, the closing plate 40 is arranged at the bottom of the rotating cylinder 39, the rotating shaft 41 is rotationally arranged in the fixed cylinder 38, the rotating cylinder 39 is fixedly connected with the rotating shaft 41 through two fixing plates 42, a water adding cavity is formed in the area between the two fixing plates 42 in the rotating cylinder 39, the number of the driving gears 43 is two, one driving gear 43 is arranged on the rotating shaft 41, a third motor 44 is arranged in the fixed cylinder 38, the other driving gear 43 is arranged on the third motor 44, the water adding ring sleeve 45 is rotationally arranged on the outer wall of the rotating cylinder 39, the water adding ring sleeve 45 is communicated with the water adding cavity, when the adsorption layer 34 in part of the desulfurization chamber needs to be cleaned, the third motor 44 is started firstly, the rotating shaft 41 is driven to rotate through the meshing relationship of the two driving gears 43, the rotating cylinder 39 is driven to rotate at the bottom of the fixed cylinder 38, the sealing plate 40 is used for sealing the bottom of the desulfurization chamber needing to be cleaned, the low-sulfur flue gas is used for desulfurization operation through other desulfurization chambers, meanwhile, the plurality of spraying pipes 46 are moved into the desulfurization chamber needing to be cleaned, the desulfurization liquid is filled into the water-adding ring sleeve 45 through the water-adding pipe, the desulfurization liquid is filled into the water-adding chamber in the rotating cylinder 39 through the water-adding ring sleeve 45, the desulfurization liquid passes through the plurality of spraying pipes 46, and the adsorption layer 34 is sprayed through the plurality of spraying heads 47 communicated with the spraying pipes 46, because the sealing plate 40 blocks the desulfurization chamber to be cleaned, the cleaned sewage flows into the liquid discharge cylinder 32, the sewage is discharged from the desulfurization cylinder 9 through the liquid discharge pipe, the filtering plate 35 is cleaned by the desulfurizing agent, the sewage for cleaning the filtering plate 35 finally flows into the bottom of the desulfurization cylinder 9 after the sealing plate 40 is removed, and a circulation pipeline is communicated between the top of the fixing cylinder 38 and the desulfurization cylinder 9 and used for supplying power to and radiating heat for the third motor 44.
The working principle of the sintering flue gas cooperative treatment device is as follows:
the flue gas is conveyed, a large amount of high-sulfur flue gas is generated in the sintering chamber in the working process of the sintering machine body 1, the high-sulfur flue gas which is discharged into the high-sulfur flue of the discharge cylinder body 6 from the sintering machine body 1 enters the high-sulfur flue gas chamber of the discharge bellows 11 through the flue gas conveying pipe 12, the high-sulfur flue gas is discharged through the discharge pipeline 13, the low-sulfur flue gas is also moved into the discharge bellows 11 from the discharge cylinder body 6 through the flue gas conveying pipe 12, the low-sulfur flue gas is conveyed into the dust remover 15 through the heat-resistant fan 14, and the low-sulfur flue gas enters the filling pipeline 17 through the exhaust pipe 16.
When the low-sulfur flue gas is heated by the flue gas heating and filling pipeline 17 and conveyed, the low-sulfur flue gas enters the sealing ring sleeve 19, the low-sulfur flue gas enters the heat exchange cavity in the same direction through the other communicating pipeline 20 by closing the control valve on one communicating pipeline 20, higher steam can be generated in the cooling process of the sintering ore in the cooling trolley 5 by the high-temperature section cooler 3, the heat exchange cylinder 7 is heated by rising steam, when the low-sulfur flue gas flows in the heat exchange cavity, the low-sulfur flue gas is heated, sintered mineral matters in the low-sulfur flue gas are condensed, the low-sulfur gas after the condensation and separation of the sintering ore enters the output pipeline 18 through the communicating pipeline 20 close to one side of the output pipeline 18, and finally the low-sulfur flue gas is conveyed out from the high-temperature section cooler 3, and the condensed sintering ore is retained in the heat exchange cylinder 7 under the influence of gravity.
The sinter is discharged, the first motor 22 is started, the sealing ring sleeve 19 and the heat exchange cylinder 7 are driven to overturn in the filling pipeline 17 and the output pipeline 18 through the meshing relation of the two meshing gears 21, the heat exchange cylinder 7 is inclined, the driving electric cylinder 26 in the corresponding direction is started, the driving electric cylinder 26 drives the sealing cover 24, the connecting plate and the material taking plate 23 to move, sinter ingredients in the heat exchange cavity are scraped out, the sinter ingredients fall into the cooling trolley 5 through the inclined guide plate 28 in the falling process, and in order to enable the sinter ingredients to fall on the guide plate 28 more rapidly, the second motor 31 is started to drive the rotating shaft 29 to rotate, and a plurality of eccentric wheels 30 arranged on the rotating shaft 29 are contacted with the guide plate 28, so that the guide plate 28 is vibrated.
The flue gas desulfurization, low sulfur flue gas enters into the desulfurization cavity which is not sealed by the sealing plate 40, large particle impurities in the low sulfur flue gas are filtered and screened by the filter plate 35, the filtered low sulfur flue gas enters into the adsorption layer 34, the adsorption layer 34 is the existing active carbon adsorption layer 34, sulfur substances can be effectively adsorbed, and then the desulfurized flue gas is discharged through the discharge pipeline 36.
The desulfurization chamber is cleaned, the third motor 44 is started, the rotating shaft 41 is driven to rotate through the meshing relationship of the two driving gears 43, the rotating cylinder 39 is made to rotate at the bottom of the fixed cylinder 38, the sealing plate 40 is made to block the bottom of the desulfurization chamber which needs to be cleaned, low-sulfur flue gas is made to carry out desulfurization operation through other desulfurization chambers, meanwhile, the plurality of spraying pipes 46 are moved into the desulfurization chamber which needs to be cleaned, desulfurization liquid is filled into the water-filling ring sleeve 45 through the water-filling pipe, the desulfurization liquid is filled into the water-filling chamber in the rotating cylinder 39 through the water-filling ring sleeve 45, the desulfurization liquid passes through the plurality of spraying pipes 46, the adsorption layer 34 is sprayed through the plurality of spraying heads 47 communicated with the spraying pipes 46, because the sealing plate 40 blocks the desulfurization chamber which needs to be cleaned, sewage after cleaning flows into the liquid drain cylinder 32, the sewage is drained from the desulfurization cylinder 9 through the liquid drain pipe, the filter plate 35 is cleaned, and the sewage for cleaning the filter plate 35 finally flows into the bottom of the desulfurization cylinder 9 after the sealing plate 40 is moved away.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. A sintering flue gas co-processing device, comprising:
a sintering machine body (1), wherein a sintering trolley (2) is arranged in the sintering machine body (1);
the cooling trolley (5) is arranged between the high-temperature section cooler (3) and the low-temperature section cooler (4);
a discharge cylinder (6), wherein the discharge cylinder (6) is communicated with the bottom of the sintering machine body (1);
the heat exchange cylinder body (7), the heat exchange cylinder body (7) is arranged in the high-temperature section cooler (3), a rotary conveying assembly (200) is arranged between the heat exchange cylinder body (7) and the high-temperature section cooler (3), the discharge cylinder body (6) is communicated with the rotary conveying assembly (200), and the rotary conveying assembly (200) is used for conveying low-sulfur flue gas into the heat exchange cylinder body (7) while driving the heat exchange cylinder body (7) to overturn;
A partition plate (8), wherein the partition plate (8) is arranged in the heat exchange cylinder (7), and the partition plate (8) divides the heat exchange cylinder (7) into two heat exchange chambers;
the sliding discharge assembly (300) is arranged on the heat exchange cavity, and the sliding discharge assembly (300) is arranged on the heat exchange cylinder (7) and is used for discharging mineral powder from the heat exchange cylinder (7) through the discharge opening;
the desulfurization cylinder body (9), desulfurization cylinder body (9) with rotate conveying assembly (200) intercommunication, be provided with desulfurization processing assembly (400) in desulfurization cylinder body (9).
2. The sintering flue gas co-processing apparatus according to claim 1, further comprising:
the separation plate (10) is arranged in the discharge cylinder (6), and the separation plate (10) separates the discharge cylinder (6) into a high-sulfur flue and a low-sulfur flue;
and the gas conveying assembly (100) is arranged in the discharge cylinder (6), and the gas conveying assembly (100) is used for discharging high-sulfur gas and low-sulfur gas generated by the sintering machine body (1).
3. A sintering flue gas co-processing apparatus according to claim 2, wherein the gas delivery assembly (100) comprises:
the exhaust air box (11), the partition plate (10) is also arranged in the exhaust air box (11), and the partition plate (10) divides the exhaust air box (11) into a low-sulfur smoke cavity and a high-sulfur smoke cavity;
the flue gas conveying pipe (12) is communicated between the high-sulfur flue and the high-sulfur flue gas cavity, and the flue gas conveying pipe (12) is also communicated between the low-sulfur flue and the low-sulfur flue gas cavity;
-a discharge duct (13), said discharge duct (13) communicating with said high sulfur flue gas chamber;
the heat-resistant fan (14) is arranged on the outer wall of the exhaust air box (11), and the input end of the heat-resistant fan (14) is communicated with the low-sulfur flue gas cavity;
the dust remover (15), the input of dust remover (15) with the output intercommunication of heat-resisting fan (14), the output intercommunication of dust remover (15) has blast pipe (16).
4. A sintering flue gas co-processing apparatus according to claim 3, wherein the rotary transport assembly (200) comprises:
The filling pipeline (17) and the output pipeline (18) are arranged on the high-temperature section cooler (3), the exhaust pipe (16) is communicated with the filling pipeline (17), and the output pipeline (18) is communicated with the bottom of the desulfurization cylinder (9);
the filling pipeline (17) and the output pipeline (18) are in sealing rotation connection with the sealing ring sleeve (19), the filling pipeline (17) and the output pipeline (18) are communicated with the sealing ring sleeve (19), and the sealing ring sleeve (19) is fixedly connected with the heat exchange cylinder (7);
the communication pipeline (20) is communicated between the sealing ring sleeve (19) and the heat exchange cavity, and a control valve is arranged on the communication pipeline (20);
the number of the meshing gears (21) is two, the two meshing gears (21) are meshed with each other, and one meshing gear (21) is arranged on one sealing ring sleeve (19);
the first motor (22), the first motor (22) is arranged on the filling pipeline (17), and the other meshing gear (21) is arranged on the output end of the first motor (22).
5. A sintering flue gas co-processing apparatus according to claim 4, wherein the sliding exhaust assembly (300) comprises:
a material taking plate (23), wherein the material taking plate (23) is arranged in the heat exchange cavity in a sliding way;
the sealing cover (24) is arranged on the discharge hole, and a connecting plate is arranged between the sealing cover (24) and the material taking plate (23);
the sliding frame (25), the sliding frame (25) is arranged on the heat exchange cylinder (7), and the sealing cover (24) is connected with the sliding frame (25) in a sliding way;
the driving electric cylinder (26), the driving electric cylinder (26) is arranged on the sliding frame (25), and the output end of the driving electric cylinder (26) is fixedly connected with the sealing cover (24).
6. The sintering flue gas co-processing apparatus as set forth in claim 5, further comprising:
the installation frames (27) are arranged on the inner walls of the two sides of the high-temperature section cooler (3), and guide plates (28) are rotatably arranged at the corresponding ends of the two installation frames (27);
vibrations subassembly, all be provided with on guide board (28) vibrations subassembly, vibrations subassembly includes:
The rotating shaft (29) is arranged on the high-temperature section cooler (3), and the rotating shaft (29) is rotationally connected with the rotating seat;
an eccentric wheel (30), wherein a plurality of eccentric wheels (30) are arranged on the rotating shaft (29), and the eccentric wheels (30) are contacted with the guide plate (28);
the second motor (31), be provided with the thermal insulation box on the high temperature section cooler (3), second motor (31) set up on the rotation seat, just second motor (31) are located in the thermal insulation box, the output of second motor (31) with axis of rotation (29) fixed connection.
7. The sintering flue gas co-processing apparatus according to claim 6, wherein the desulfurization processing assembly (400) comprises:
the liquid discharge cylinder body (32), the liquid discharge cylinder body (32) is arranged in the desulfurization cylinder body (9), and a liquid discharge pipe is communicated between the liquid discharge cylinder body (32) and the desulfurization cylinder body (9);
the fixed frame (33), the fixed frame (33) is arranged on the inner wall of the liquid discharge cylinder (32), a plurality of desulfurization chambers are arranged in the fixed frame (33), and the desulfurization chambers are communicated with the liquid discharge cylinder (32);
An adsorption layer (34), the adsorption layer (34) being disposed in the desulfurization chamber;
a filter plate (35), wherein the filter plate (35) is arranged at the bottom of the desulfurization chamber;
a discharge line (36), the discharge line (36) being arranged on top of the desulfurization cylinder (9);
a cleaning opening is formed in the bottom of the desulfurization cylinder (9), and the sealing cover (37) is arranged in the cleaning opening;
and the closed spray assembly (500) is arranged on the fixed frame (33) and is used for treating sulfur substances in the corresponding desulfurization chamber.
8. The sintering flue gas co-processing apparatus according to claim 7, wherein the closed spray assembly (500) comprises:
the fixed cylinder (38), the fixed cylinder (38) is arranged on the liquid discharge cylinder body (32), the bottom of the fixed cylinder (38) is rotatably connected with a rotary cylinder (39), and the rotary cylinder (39) is rotatably arranged in the middle of the fixed frame (33);
a closing plate (40), the closing plate (40) being arranged at the bottom of the rotating cylinder (39);
the rotating shaft (41) is rotatably arranged in the fixed cylinder (38), the rotating cylinder (39) is fixedly connected with the rotating shaft (41) through two fixed plates (42), and a water adding cavity is formed in the rotating cylinder (39) in the area between the two fixed plates (42);
The number of the driving gears (43) is two, one driving gear (43) is arranged on the rotating shaft (41), a third motor (44) is arranged in the fixed cylinder (38), and the other driving gear (43) is arranged on the third motor (44);
the water adding ring sleeve (45) is rotatably arranged on the outer wall of the rotary cylinder (39), the water adding ring sleeve (45) is communicated with the water adding cavity, and the water adding ring sleeve (45) is communicated with a water adding pipe;
the water adding cavity is communicated with a plurality of spraying pipes (46), and the spraying pipes (46) are communicated with a spraying head (47).
9. A method for co-processing sintering flue gas, using the device for co-processing sintering flue gas according to claim 8, comprising the steps of:
s1, conveying smoke, namely, in the working process of a sintering machine body (1), a large amount of high-sulfur smoke is generated in a sintering chamber, a large amount of sulfur substances and CO are contained in the high-sulfur smoke, the high-sulfur smoke discharged from the sintering machine body (1) into a high-sulfur flue of a discharge barrel (6) enters a high-sulfur smoke chamber of a discharge bellows (11) through a smoke conveying pipe (12), the high-sulfur smoke is discharged through a discharge pipeline (13), the low-sulfur smoke is also moved into the discharge bellows (11) from the discharge barrel (6) through the smoke conveying pipe (12), the low-sulfur smoke is conveyed into a dust remover (15) through a heat-resistant fan (14), and the low-sulfur smoke enters a filling pipeline (17) through an exhaust pipe (16);
S2, heating the flue gas, when the filling pipeline (17) conveys the low-sulfur flue gas, the low-sulfur flue gas enters the sealing ring sleeve (19), the control valve on one of the communication pipelines (20) is closed, the low-sulfur flue gas enters the heat exchange cavity in the same direction through the other communication pipeline (20), higher steam is generated in the cooling process of the sinter in the cooling trolley (5) by the high-temperature section cooler (3), the heat exchange cylinder (7) is heated by rising steam, when the low-sulfur flue gas flows in the heat exchange cavity, the low-sulfur flue gas is heated, sintered mineral substances in the low-sulfur flue gas are condensed, the low-sulfur gas after the condensation and separation of the sinter enters the output pipeline (18) through the communication pipeline (20) close to one side of the output pipeline (18), and finally the low-sulfur flue gas is conveyed out of the high-temperature section cooler (3), and the condensed sinter is retained in the heat exchange cylinder (7) under the influence of gravity;
s3, discharging the sinter, starting a first motor (22), driving a sealing ring sleeve (19) and a heat exchange cylinder (7) to turn over in a filling pipeline (17) and an output pipeline (18) through the meshing relation of two meshing gears (21), enabling the heat exchange cylinder (7) to incline, starting a driving electric cylinder (26) in a corresponding direction, enabling the driving electric cylinder (26) to drive a sealing cover (24), a connecting plate and a material taking plate (23) to move, scraping out sinter components in a heat exchange cavity, enabling the sinter components to fall into a cooling trolley (5) through an inclined guide plate (28) in the falling process, and enabling a second motor (31) to drive a rotating shaft (29) to rotate so that a plurality of eccentric wheels (30) arranged on the rotating shaft (29) are in contact with the guide plate (28) to enable the guide plate (28) to vibrate;
S4, desulfurizing the flue gas, wherein the low-sulfur flue gas enters a desulfurization chamber which is not sealed by a sealing plate (40), filtering and screening large-particle impurities in the low-sulfur flue gas by a filter plate (35), and the filtered low-sulfur flue gas enters an adsorption layer (34), wherein the adsorption layer (34) is an existing active carbon adsorption layer (34) and can effectively adsorb sulfur substances, and then the desulfurized flue gas is discharged through a discharge pipeline (36);
s5, the desulfurization cavity is cleaned, a third motor (44) is started, the meshing relationship of two driving gears (43) is adopted, the rotating shaft (41) is driven to rotate, the rotating cylinder (39) rotates at the bottom of the fixed cylinder (38), the sealing plate (40) is used for blocking the bottom of the desulfurization cavity which needs to be cleaned, low-sulfur flue gas is enabled to carry out desulfurization operation through other desulfurization cavities, meanwhile, the plurality of spraying pipes (46) are moved into the desulfurization cavity which needs to be cleaned, desulfurization liquid is filled into the water-filling ring sleeve (45) through the water-filling pipe, the desulfurization liquid is filled into the water-filling cavity in the rotating cylinder (39) through the water-filling ring sleeve (45), the desulfurization liquid sprays the adsorption layer (34) through the plurality of spraying pipes (46) through the plurality of spraying heads (47) communicated with the spraying pipes (46), sewage after the cleaning is enabled to flow into the liquid-discharging cylinder (32), the sewage is discharged from the inside the liquid-discharging cylinder (9) through the liquid-discharging pipe, and the agent can be used for finally cleaning the filter plate (35) to clean the sewage, and the desulfurization layer (34) is finally cleaned at the bottom of the sealing plate (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311274922.7A CN117109321A (en) | 2023-09-28 | 2023-09-28 | Sintering flue gas cooperative treatment device and method |
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| CN202311274922.7A CN117109321A (en) | 2023-09-28 | 2023-09-28 | Sintering flue gas cooperative treatment device and method |
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| CN117109321A true CN117109321A (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311274922.7A Pending CN117109321A (en) | 2023-09-28 | 2023-09-28 | Sintering flue gas cooperative treatment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117109321A (en) |
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2023
- 2023-09-28 CN CN202311274922.7A patent/CN117109321A/en active Pending
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