CN112452141A - Smelting furnace gas emission purification device and purification method - Google Patents
Smelting furnace gas emission purification device and purification method Download PDFInfo
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- CN112452141A CN112452141A CN202011418236.9A CN202011418236A CN112452141A CN 112452141 A CN112452141 A CN 112452141A CN 202011418236 A CN202011418236 A CN 202011418236A CN 112452141 A CN112452141 A CN 112452141A
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- smelting furnace
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- dust removal
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- 238000003723 Smelting Methods 0.000 title claims abstract description 51
- 238000000746 purification Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 24
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 22
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 22
- 239000004571 lime Substances 0.000 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims description 29
- 238000013519 translation Methods 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 7
- 241000220317 Rosa Species 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a smelting furnace gas emission purification device and a smelting furnace gas emission purification method, which comprise a smelting furnace, a semi-dry reaction tower and a chimney, wherein the smelting furnace, the semi-dry reaction tower and the chimney are sequentially communicated, the semi-dry reaction tower is connected with a lime slurry preparation system, the lime slurry preparation system is connected with a spraying system, an exhaust structure is arranged between the smelting furnace and the semi-dry reaction tower, the semi-dry reaction tower is communicated with a bag type dust removal structure, an activated carbon injector is arranged between the semi-dry reaction tower and the bag type dust removal structure, and a wastewater collection structure and a dust discharge pool are arranged at the bottom of the bag type dust removal structure. The invention has the beneficial effects that the technical scheme provides two filtering and purifying structures of the semi-dry type semi-dry reaction tower and the bag type filtering structure, so that harmful substances in the flue gas are effectively removed, the emission of the flue gas is ensured to reach the national flue gas emission standard, and the technical problems mentioned in the background art are effectively solved.
Description
Technical Field
The invention relates to the field of metal powder manufacturing, in particular to a gas emission and purification device and a gas emission and purification method for a smelting furnace.
Background
The metal powder refers to a group of metal particles having a size of less than 1 mm. Including single metal powders, alloy powders, and powders of certain refractory compounds having metallic properties, are the primary raw materials for powder metallurgy.
When the metal powder is prepared, the metal powder needs to be smelted through a smelting furnace, so certain smoke can be produced, heavy metals and other substances harmful to the environment are contained in the smoke, and the smoke needs to be purified and filtered to reach the national smoke emission standard.
Disclosure of Invention
The invention aims to solve the problems and designs a smelting furnace gas emission purifying device and a smelting furnace gas emission purifying method.
The smelting furnace gas emission purification device comprises a smelting furnace, a semi-dry reaction tower and a chimney, wherein the smelting furnace, the semi-dry reaction tower and the chimney are sequentially communicated, the semi-dry reaction tower is connected with a lime slurry preparation system, the lime slurry preparation system is connected with a spraying system, an exhaust structure is arranged between the smelting furnace and the semi-dry reaction tower, the semi-dry reaction tower is communicated with a bag type dust removal structure, an activated carbon injector is arranged between the semi-dry reaction tower and the bag type dust removal structure, and a wastewater collection structure and a dust discharge pool are arranged at the bottom of the bag type dust removal structure;
the bag-type dust removal structure comprises: the device comprises a filter box, a plurality of frames, a plurality of telescopic elastic rods, a filter fiber layer, a spraying nozzle, a pair of hydraulic cylinders and a connecting arm;
the frames are connected through a plurality of telescopic elastic rods, the filter fiber layer is embedded on the frames, the frames are embedded in the filter box, the spray nozzle is communicated with a water pump, the hydraulic cylinders are arranged on the left side and the right side of the filter box, one end of the connecting arm is connected with the frames, the other end of the connecting arm is connected with the piston end of the hydraulic cylinder, a discharge pipe is arranged at the bottom of the filter box, a transformation structure is arranged on the discharge pipe, the transformation structure is communicated with a wastewater collection structure and a dust discharge pool, and a drying structure is arranged in the filter box;
the drying structure comprises: the air conditioner comprises a fan, a heating plate, a heating wire and an air outlet;
the fan sets up in the rose box outer wall, and the air outlet communicates with the fan, and the air outlet is located inside the rose box, and the hot plate sets up inside the rose box, and the heater strip is located the hot plate.
The wastewater collection structure comprises: the lifting cylinder, the collecting box, the collecting port and the base are arranged in the base;
the pair of lifting cylinders are arranged on the base, the collecting box is located on the pair of lifting cylinders, one end of the collecting port is communicated with the collecting end portion, and the collecting port can be communicated with the transformation structure.
Preferably, the transformation structure comprises: the linear module comprises a cylinder, a piston and a linear module translation table;
the cylinder and delivery pipe intercommunication, the inside formula that runs through that is of cylinder, cylinder one end and discharge tank intercommunication, the other end can with collect mouthful intercommunication, sharp module translation platform is located the cylinder outer wall, and the spout has been seted up to the cylinder bottom, the removal end of sharp module translation platform is connected with the piston after passing the spout, the removal end of sharp module translation platform is provided with folding telescopic separation blade with the wall about the spout.
Preferably, the spraying system consists of a plurality of spraying guns and a plurality of adjusting structures;
the regulating structure comprises: the device comprises a frame body, a joint bearing, a joint ball, an embedded sleeve, four clamping edges, a motor frame, a telescopic motor, a rotating motor and a connecting rod;
the joint bearing is embedded at the end part of the semi-dry reaction tower, the joint ball is movably embedded in the joint bearing, a penetrating circular groove is formed in the joint ball, four half-section type sliding grooves are formed in the wall surface of a groove body, the embedded sleeve is sleeved on a spray gun, four clamping edges are distributed on the outer wall of the embedded sleeve at equal angles, the frame body is fixed at the end part of the semi-dry reaction tower, the motor frame is structurally arranged on the frame body, the telescopic motor is fixed on the motor frame, the body of the rotary motor is connected with the telescopic end of the telescopic motor, one end of the connecting rod is connected with the rotary end of the rotary motor, the other end of the connecting rod is provided with a ball, one end of the spray gun is provided with a ball sleeve, the ball is movably embedded in the ball sleeve, and the spray guns are.
Preferably, the air-venting structure comprises: the four-wheel type grating machine comprises four chain shafts with the same structure, four chain wheels with the same structure, four fan blades with the same structure, four pinch rollers with the same structure, two chains with the same structure, a driving motor, a chain driving wheel and four grating plates with the same structure.
Four the pivot cartridge is in ventilation case bottom to mutual symmetry, four the sprocket is installed respectively in four epaxial, four of chain the flabellum suit is in four epaxial of chain, driving motor's drive end and chain driving wheel are connected, two the chain suit is in between per two sprockets, four the pinch roller laminating is in four on the chain, the action wheel is located between two chains to mesh with the chain, ventilation case terminal surface just is located main bottom of the case portion and has seted up four air outlets, and main bottom of the case portion corresponds the air outlet and has seted up and inlay the dress mouth, the grating board inlays and adorns inside inlaying the dress mouth, it is provided with the maintenance structure on the dress mouth to inlay.
Preferably, the lime slurry preparation system comprises: the device comprises a stirrer, a transmission pump and a plurality of raw material bins;
a plurality of former feed bin all communicates with the mixer is inside, and the mixer passes through transfer pump and a plurality of spray gun intercommunication.
Preferably, the service structure comprises: the support frame, the cover plate, the gear and the rack;
the ventilation box is provided with an embedded opening, the end parts of the two ventilation boxes extend downwards and pass through a sliding groove embedded with the embedded opening, the cover plate is movably inserted into the sliding groove, the rack is connected with the cover plate, the gear is installed on the upper end surface of the ventilation box through the support frame, the gear is provided with a torque motor, and the gear is meshed with the rack.
Preferably, a fixing frame is arranged between the torque motor and the supporting frame.
Preferably, a fastening frame for fastening the linear module translation table is arranged between the linear module translation table and the column.
A method for purifying a smelting furnace gas emission purifying device is characterized by comprising the following steps:
s1, the flue gas discharged by the smelting furnace enters a semi-dry reaction tower, the lime slurry is sprayed in the semi-dry reaction tower through a spraying system after passing through a lime slurry preparation system, and the flue gas is filtered for the first time;
s2, the preliminarily filtered smoke enters a bag type dust removal structure, active carbon is injected through an active carbon injector before entering the bag type dust removal structure, the active carbon is used for adsorption, and large particles enter a dust discharge pool;
s3: particles in the flue gas are blocked in the bag-type dust removal structure and enter the dust discharge pool, and clean flue gas is discharged from the bag-type dust removal structure and is discharged through a chimney;
and S4, after the bag-type dust removal structure works for 4 weeks, the bag-type dust removal structure needs to be cleaned, the bag-type dust removal structure is cleaned through the cleaning structure of the bag-type dust removal structure, and the wastewater is discharged into the wastewater collection structure.
The smelting furnace gas emission purification device and the smelting furnace gas emission purification method manufactured by the technical scheme provided by the invention have the advantages that the two filtering and purifying structures of the semi-dry type reaction tower and the bag type filtering structure are arranged, harmful substances in flue gas are effectively removed, the emission of the flue gas is ensured to reach the national flue gas emission standard, and the technical problems in the background art are effectively solved.
Drawings
FIG. 1 is a schematic structural diagram of a gas emission and purification device of a smelting furnace according to the present invention;
FIG. 2 is a schematic structural diagram of a bag type dust removing structure of a gas emission and purification device of a smelting furnace according to the invention;
FIG. 3 is a schematic view of a partial enlarged structure of a gas emission and purification device of a smelting furnace according to the present invention;
FIG. 4 is a schematic structural diagram of a regulating structure of a gas emission and purification device of a smelting furnace according to the present invention;
FIG. 5 is a schematic structural diagram of an exhaust structure of a gas exhaust and purification device of a smelting furnace according to the present invention;
FIG. 6 is a schematic structural view showing an alternative structure of the gas emission and purification apparatus of the melting furnace according to the present invention;
FIG. 7 is a schematic view of a lime mud preparation system of a gas dispersion and purification apparatus of a smelting furnace according to the present invention;
FIG. 8 is a schematic structural view of a maintenance structure of the gas emission purification device of the smelting furnace according to the present invention;
FIG. 9 is a schematic side view of an alternative construction of the gas emission purification apparatus of the melting furnace according to the present invention;
FIG. 10 is a partial schematic view showing the structure of the adjusting mechanism of the gas emission and purification apparatus of the melting furnace according to the present invention;
FIG. 11 is a partial schematic view showing the structure of the adjusting mechanism of the gas emission and purification apparatus of the melting furnace according to the present invention;
in the figure, 1, a smelting furnace; 2. a semi-dry reaction tower; 3. a chimney; 4. an activated carbon injector; 5. a filter box; 6. a frame; 7. a telescoping elastic rod; 8. a layer of filter fibers; 9. a spray nozzle; 10. a hydraulic cylinder; 11. a connecting arm; 12. a fan; 13. heating plates; 14. heating wires; 15. an air outlet; 16. a lifting cylinder; 17. a collection box; 18. a collection port; 19. a base; 20. a cylinder; 21. a piston; 22. a linear module translation stage; 23. a frame body; 24. a knuckle bearing; 25. a joint ball; 26. embedding and sleeving; 27. clamping edges; 28. a motor frame; 29. a telescopic motor; 30. a rotating electric machine; 31. a connecting rod; 32. a chain shaft; 33. a sprocket; 34. a fan blade; 35. a pinch roller; 36. a chain; 37. an active motor; 38. a chain wheel; 39. a grid plate; 40. a blender; 41. a transfer pump; 42. a raw material bin; 43. a support frame; 44. a cover plate; 45. a gear; 46. a rack; 47. a fixed mount; 48. a fastening frame; 49. a torque motor; 50. a ventilation box; 51. and (4) spraying a gun.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 11, a gas emission purification apparatus and a purification method for a smelting furnace.
Example 1
A smelting furnace 1 gas emission and purification device comprises a smelting furnace 1, a semi-dry reaction tower 2 and a chimney 3, wherein the smelting furnace 1, the semi-dry reaction tower 2 and the chimney 3 are sequentially communicated, the semi-dry reaction tower 2 is connected with a lime slurry preparation system, the lime slurry preparation system is connected with a spraying system, an exhaust structure is arranged between the smelting furnace 1 and the semi-dry reaction tower 2, the semi-dry reaction tower 2 is communicated with a bag type dust removal structure, an active carbon injector 4 is arranged between the semi-dry reaction tower 2 and the bag type dust removal structure, and a wastewater collection structure and a dust discharge pool are arranged at the bottom of the bag type dust removal structure;
the method comprises the following steps of firstly, discharging flue gas from a smelting furnace 1, feeding the flue gas into a semi-dry reaction tower 2, spraying lime slurry into the semi-dry reaction tower 2 through a spraying system after passing through a lime slurry preparation system, and filtering the flue gas for the first time; the preliminarily filtered flue gas enters a bag-type dust removal structure, and before entering, activated carbon is injected through an activated carbon injector 4, the activated carbon is used for adsorption, and large particles enter a dust discharge pool; particles in the flue gas are blocked in the bag-type dust removal structure and enter the dust discharge pool, and clean flue gas is discharged from the bag-type dust removal structure and is discharged through a chimney 3; after the bag-type dust removal structure works for 4 weeks, the bag-type dust removal structure needs to be cleaned, is cleaned through the cleaning structure of the bag-type dust removal structure, and discharges waste water into the waste water collection structure.
Specifically, the bag-type dust removal structure comprises: the device comprises a filter box 5, a plurality of frames 6, a plurality of telescopic elastic rods 7, a filter fiber layer 8, a spray nozzle 9, a pair of hydraulic cylinders 10 and a connecting arm 11;
the frames 6 are connected through a plurality of telescopic elastic rods 7, the filter fiber layer 8 is embedded on the frames 6, the frames 6 are embedded in the filter box 5, the spray nozzle 9 is communicated with a water pump, the hydraulic cylinders 10 are arranged on the left side and the right side of the filter box 5, one end of the connecting arm 11 is connected with the frames 6, the other end of the connecting arm is connected with the piston 21 end of the hydraulic cylinder 10, the bottom of the filter box 5 is provided with a discharge pipe, the discharge pipe is provided with a conversion structure, the conversion structure is communicated with a wastewater collection structure and a dust discharge pool, and a drying structure is arranged inside the filter box 5;
it should be noted that, in the technical scheme, the filtering fiber layer 8 is mainly used for blocking large particulate matters in the flue gas, the large particulate matters fall out of the filtering box 5 due to gravity and enter the dust discharging pool, and small particulate matters are adsorbed on the filtering fiber layer 8, so that the filtering fiber layer 8 needs to be periodically dedusted;
specifically, utilize spray nozzle 9 to wash filtering fiber layer 8, the flush fluid can take away and flow out filtration case 5 with little particulate matter and enter into the waste water collection structure, need dry filtering fiber layer 8 after the completion washes, guarantee normal use, consequently need dry the structure and dry.
Specifically, the stoving structure includes: a fan 12, a heating plate 13, a heating wire 14 and an air outlet 15;
It should be noted that, firstly, the heating wire 14 is controlled to work, the heating wire 14 heats the heating plate 13, the heating plate 13 is heated and then blown out by the fan 12 and through the air outlet 15, and the hot air inside the filter box 5 is rapidly circulated, so as to dry the filter fiber layer 8.
The wastewater collection structure comprises: a pair of lifting cylinders 16, a collection box 17, a collection port 18 and a base 19;
the pair of lifting cylinders 16 are arranged on the base 19, the collecting box 17 is positioned on the pair of lifting cylinders 16, one end of the collecting port 18 is communicated with the collecting end, and the collecting port 18 can be communicated with the conversion structure.
It should be noted that when the collection of the small particle waste water is required, the pair of lifting cylinders 16 is controlled to push the collection box 17 to ascend and connect the collection port 18 with the cylinder 20, and then the small particle waste water is discharged into the collection box 17.
Specifically, the transformation structure includes: a cylinder 20, a piston 21 and a linear module translation stage 22;
It should be noted that, both large particle dust and small particle wastewater flow out from the bottom of the filter box 5, so that a conversion structure is provided to select different modes;
specifically, when the mode needs to be switched, the linear module translation stage 22 is controlled to correspondingly move the position of the piston 21, the piston 21 is moved to the left side, large-particle dust enters the discharge pool and moves to the right side, and then small-particle wastewater is discharged to the wastewater collection structure.
Specifically, the spraying system is composed of a plurality of spraying guns 51 and a plurality of adjusting structures;
the regulating structure comprises: the device comprises a frame body 23, a joint bearing 24, a joint ball 25, an embedded sleeve 26, four clamping ribs 27, a motor frame 28, a telescopic motor 29, a rotating motor 30 and a connecting rod 31;
the joint bearing 24 is embedded at the end part of the semi-dry reaction tower 2, the joint ball 25 is movably embedded in the joint bearing 24, a penetrating through circular groove is formed in the joint ball 25, four half-section sliding grooves are formed in the wall surface of the groove body, the embedded sleeve 26 is sleeved on the spray gun 51, four clamping edges 27 are distributed on the outer wall of the embedded sleeve 26 at equal angles, the frame body 23 is fixed at the end part of the semi-dry reaction tower 2, the motor frame 28 is structurally arranged on the frame body 23, the telescopic motor 29 is fixed on the motor frame 28, the body of the rotary motor 30 is connected with the telescopic end of the telescopic motor 29, one end of the connecting rod 31 is connected with the rotating end of the rotary motor 30, the other end of the connecting rod 31 is provided with a ball, one end of the spray gun 51 is provided with a ball sleeve, the ball is movably embedded in the ball sleeve, and the spray guns 51 are.
It should be noted that, firstly, the rotating motor 30 is pushed or pulled by the telescopic motor 29, so as to change an included angle between the connecting rod 31 and the spray gun 51, so as to change an inclination angle of the spray gun 51, then the rotating motor 30 is controlled to drive the connecting rod 31, the connecting rod 31 drives the spray gun 51 to move circumferentially, so as to change a plane position of the spray gun 51, and finally, the adjustment is performed to ensure that the spray gun 51 can more comprehensively spray lime slurry inside the semi-dry reaction tower 2;
specifically, in order to facilitate the disassembly of the spray gun 51, the spray gun 51 can be pulled, because the spray gun 51 is clamped inside the joint ball 25 by the four clamping ribs 27 outside the embedding sleeve 26, so the disassembly is facilitated.
Specifically, the air exhaust structure includes: four chain shafts 32 with the same structure, four chain wheels 33 with the same structure, four fan blades 34 with the same structure, four pinch rollers 35 with the same structure, two chains 36 with the same structure, a driving motor 37, a chain driving wheel 38 and four grating plates 39 with the same structure.
Four the pivot cartridge is in ventilation case 50 bottoms to mutual symmetry, four sprocket 33 installs respectively in four on the chain axle 32, four flabellum 34 suit is four on the chain axle 32, driving motor 37's drive end and chain driving wheel 38 are connected, two 36 suit of chain are between per two sprocket 33, four pinch roller 35 laminates four on the chain 36, the action wheel is located between two chains 36 to mesh with chain 36, ventilation case 50 terminal surface just is located the main tank bottom portion and has seted up four air outlets 15, and the main tank bottom portion corresponds air outlet 15 and has seted up and inlay the dress mouth, grating plate 39 inlays the dress in inlaying the dress mouthful inside, it is provided with the maintenance structure on the dress mouth to inlay.
It should be noted that, when needing to discharge fume to smelting furnace 1, control driving motor and drive sprocket 38, chain driving wheel 38 can mesh with two chains 36, chain 36 passes through the restriction of pinch roller 35, prevent that the action wheel breaks away from, after chain 36 rotates, then four sprocket 33 rotate, so the chain axle 32 of cartridge on sprocket 33 will rotate, then flabellum 34 that is located on chain axle 32 rotates, thereby fast exhaust to the flue gas of smelting furnace 1, the one end and the smelting furnace 1 exhaust port intercommunication of this ventilation box 50, the other end communicates with half dry reaction tower 2 one end.
Specifically, the lime slurry preparation system comprises: a blender 40, a transfer pump 41 and a plurality of raw material bins 42;
the raw material bins 42 are all communicated with the interior of the stirrer 40, and the stirrer 40 is communicated with the spraying guns 51 through the transmission pump 41.
It should be noted that the mixer 40 can mix the incoming raw materials in the raw material bins 42 and transfer the lime slurry to the spray guns 51 via the transfer pumps 41.
Specifically, the maintenance structure includes: a support frame 43, a cover plate 44, a gear 45 and a rack 46;
the ventilating box 50 is provided with an embedding opening, the end part of the ventilating box 50 extends downwards and passes through a sliding groove of the embedding opening, the ventilating box 50 is movably inserted into the sliding groove from the cover plate 44, the rack 46 is connected with the cover plate 44, the gear 45 is installed on the upper end surface of the ventilating box 50 through the supporting frame 43, the gear 45 is provided with a torsion motor 49, and the gear 45 is meshed with the rack 46.
In order to conveniently overhaul the structure inside the ventilation box 50, the torsion motor 49 is controlled to drive the gear 45, the gear 45 is meshed with the rack 46, and the rack 46 is fixed on the cover plate 44, so that the cover plate 44 can ascend, and the ventilation box 50 is conveniently repaired.
Preferably, a fixing frame 47 is disposed between the torque motor 49 and the supporting frame 43.
Preferably, a fastening frame 48 for fastening the linear module translation stage 22 is further disposed between the linear module translation stage 22 and the column 20.
A smelting furnace 1 gas emission purification device and a purification method comprise the following steps:
s1, enabling the flue gas discharged from the smelting furnace 1 to enter a semi-dry reaction tower 2, spraying the lime slurry in the semi-dry reaction tower 2 through a spraying system after passing through a lime slurry preparation system, and filtering the flue gas for the first time;
s2, the preliminarily filtered smoke enters a bag type dust removal structure, active carbon is injected through an active carbon injector 4 before entering the bag type dust removal structure, the active carbon is used for adsorption, and large particles enter a dust discharge pool;
s3: particles in the flue gas are blocked in the bag-type dust removal structure and enter the dust discharge pool, and clean flue gas is discharged from the bag-type dust removal structure and is discharged through a chimney 3;
and S4, after the bag-type dust removal structure works for 4 weeks, the bag-type dust removal structure needs to be cleaned, the bag-type dust removal structure is cleaned through the cleaning structure of the bag-type dust removal structure, and the wastewater is discharged into the wastewater collection structure.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. A gas emission and purification device for a smelting furnace comprises a smelting furnace, a semi-dry reaction tower and a chimney, and is characterized in that the smelting furnace, the semi-dry reaction tower and the chimney are sequentially communicated, a lime slurry preparation system is connected to the semi-dry reaction tower, the lime slurry preparation system is connected to a spraying system, an exhaust structure is arranged between the smelting furnace and the semi-dry reaction tower, the semi-dry reaction tower is communicated with a bag type dust removal structure, an activated carbon injector is arranged between the semi-dry reaction tower and the bag type dust removal structure, and a wastewater collection structure and a dust discharge pool are arranged at the bottom of the bag type dust removal structure;
the bag-type dust removal structure comprises: the device comprises a filter box, a plurality of frames, a plurality of telescopic elastic rods, a filter fiber layer, a spraying nozzle, a pair of hydraulic cylinders and a connecting arm;
the frames are connected through a plurality of telescopic elastic rods, the filter fiber layer is embedded on the frames, the frames are embedded in the filter box, the spray nozzle is communicated with a water pump, the hydraulic cylinders are arranged on the left side and the right side of the filter box, one end of the connecting arm is connected with the frames, the other end of the connecting arm is connected with the piston end of the hydraulic cylinder, a discharge pipe is arranged at the bottom of the filter box, a transformation structure is arranged on the discharge pipe, the transformation structure is communicated with a wastewater collection structure and a dust discharge pool, and a drying structure is arranged in the filter box;
the drying structure comprises: the air conditioner comprises a fan, a heating plate, a heating wire and an air outlet;
the fan is arranged on the outer wall of the filter box, the air outlet is communicated with the fan and is positioned inside the filter box, the heating plate is arranged inside the filter box, and the heating wire is positioned on the heating plate;
the wastewater collection structure comprises: the lifting cylinder, the collecting box, the collecting port and the base are arranged in the base;
the pair of lifting cylinders are arranged on the base, the collecting box is located on the pair of lifting cylinders, one end of the collecting port is communicated with the collecting end portion, and the collecting port can be communicated with the transformation structure.
2. The smelting furnace gas dispersing and cleaning apparatus as claimed in claim 1, wherein the shift structure comprises: the linear module comprises a cylinder, a piston and a linear module translation table;
the cylinder and delivery pipe intercommunication, the inside formula that runs through that is of cylinder, cylinder one end and discharge tank intercommunication, the other end can with collect mouthful intercommunication, sharp module translation platform is located the cylinder outer wall, and the spout has been seted up to the cylinder bottom, the removal end of sharp module translation platform is connected with the piston after passing the spout, the removal end of sharp module translation platform is provided with folding telescopic separation blade with the wall about the spout.
3. The smelting furnace gas emission purification apparatus according to claim 1, wherein the spray system is composed of a plurality of spray guns and a plurality of adjusting structures;
the regulating structure comprises: the device comprises a frame body, a joint bearing, a joint ball, an embedded sleeve, four clamping edges, a motor frame, a telescopic motor, a rotating motor and a connecting rod;
the joint bearing is embedded at the end part of the semi-dry reaction tower, the joint ball is movably embedded in the joint bearing, a penetrating circular groove is formed in the joint ball, four half-section type sliding grooves are formed in the wall surface of a groove body, the embedded sleeve is sleeved on a spray gun, four clamping edges are distributed on the outer wall of the embedded sleeve at equal angles, the frame body is fixed at the end part of the semi-dry reaction tower, the motor frame is structurally arranged on the frame body, the telescopic motor is fixed on the motor frame, the body of the rotary motor is connected with the telescopic end of the telescopic motor, one end of the connecting rod is connected with the rotary end of the rotary motor, the other end of the connecting rod is provided with a ball, one end of the spray gun is provided with a ball sleeve, the ball is movably embedded in the ball sleeve, and the spray guns are.
4. The smelting furnace gas dispersing and purifying apparatus according to claim 1, wherein the exhaust structure comprises: the four-wheel chain mechanism comprises four chain shafts with the same structure, four chain wheels with the same structure, four fan blades with the same structure, four pinch rollers with the same structure, two chains with the same structure, a driving motor, a chain driving wheel and four grating plates with the same structure;
four the pivot cartridge is in ventilation case bottom to mutual symmetry, four the sprocket is installed respectively in four epaxial, four of chain the flabellum suit is in four epaxial of chain, driving motor's drive end and chain driving wheel are connected, two the chain suit is in between per two sprockets, four the pinch roller laminating is in four on the chain, the action wheel is located between two chains to mesh with the chain, ventilation case terminal surface just is located main bottom of the case portion and has seted up four air outlets, and main bottom of the case portion corresponds the air outlet and has seted up and inlay the dress mouth, the grating board inlays and adorns inside inlaying the dress mouth, it is provided with the maintenance structure on the dress mouth to inlay.
5. The smelting furnace gas dispersion and purification apparatus according to claim 1, wherein the lime mud preparation system comprises: the device comprises a stirrer, a transmission pump and a plurality of raw material bins;
a plurality of former feed bin all communicates with the mixer is inside, and the mixer passes through transfer pump and a plurality of spray gun intercommunication.
6. The smelting furnace gas dispersing and purifying apparatus as claimed in claim 4, wherein the service structure comprises: the support frame, the cover plate, the gear and the rack;
the ventilation box is provided with an embedded opening, the end parts of the two ventilation boxes extend downwards and pass through a sliding groove embedded with the embedded opening, the cover plate is movably inserted into the sliding groove, the rack is connected with the cover plate, the gear is installed on the upper end surface of the ventilation box through the support frame, the gear is provided with a torque motor, and the gear is meshed with the rack.
7. The smelting furnace gas emission and purification device according to claim 1, wherein a fixing frame is arranged between the torque motor and the supporting frame.
8. The smelting furnace gas emission and purification apparatus according to claim 1, wherein a fastening frame for fastening the linear module translation stage is provided between the linear module translation stage and the column.
9. The method for discharging and purifying the gas of a smelting furnace according to claim 1, characterized by comprising the following steps:
s1, the flue gas discharged by the smelting furnace enters a semi-dry reaction tower, the lime slurry is sprayed in the semi-dry reaction tower through a spraying system after passing through a lime slurry preparation system, and the flue gas is filtered for the first time;
s2, the preliminarily filtered smoke enters a bag type dust removal structure, active carbon is injected through an active carbon injector before entering the bag type dust removal structure, the active carbon is used for adsorption, and large particles enter a dust discharge pool;
s3: particles in the flue gas are blocked in the bag-type dust removal structure and enter the dust discharge pool, and clean flue gas is discharged from the bag-type dust removal structure and is discharged through a chimney;
and S4, after the bag-type dust removal structure works for 4 weeks, the bag-type dust removal structure needs to be cleaned, the bag-type dust removal structure is cleaned through the cleaning structure of the bag-type dust removal structure, and the wastewater is discharged into the wastewater collection structure.
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| CN202011418236.9A CN112452141B (en) | 2020-12-07 | 2020-12-07 | Smelting furnace gas exhausting and purifying device and purifying method |
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| CN214862503U (en) * | 2020-12-07 | 2021-11-26 | 江苏威拉里新材料科技有限公司 | Gas emission and purification device for smelting furnace |
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| CN102976575A (en) * | 2012-11-29 | 2013-03-20 | 广州市越堡水泥有限公司 | Sludge treatment system and method in cement kiln |
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