CN119040038B - An integrated device for dust removal and desulfurization of blast furnace gas - Google Patents
An integrated device for dust removal and desulfurization of blast furnace gas Download PDFInfo
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- CN119040038B CN119040038B CN202411534293.1A CN202411534293A CN119040038B CN 119040038 B CN119040038 B CN 119040038B CN 202411534293 A CN202411534293 A CN 202411534293A CN 119040038 B CN119040038 B CN 119040038B
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- dust removal
- desulfurization
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- spring
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- 239000000428 dust Substances 0.000 title claims abstract description 134
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 86
- 230000023556 desulfurization Effects 0.000 title claims abstract description 86
- 239000003513 alkali Substances 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000010009 beating Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 9
- 238000001802 infusion Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 54
- 230000000694 effects Effects 0.000 abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000003034 coal gas Substances 0.000 abstract 2
- 239000004744 fabric Substances 0.000 description 37
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 235000010261 calcium sulphite Nutrition 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
-
- 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
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
本发明涉及煤气处理技术领域，且公开了一种高炉煤气除尘脱硫一体化装置，包括除尘箱和脱硫箱，所述除尘箱的顶部和所述脱硫箱底部之间设置有隔板，所述除尘箱的内部设置有安装板，所述安装板上开设有通气槽，所述通气槽上方与所述隔板的下表面之间安装有若干组除尘布袋，所述除尘箱的顶部与所述脱硫箱的一侧连通设置有输气管，所述脱硫箱的内部设置有碱液搅拌装置，所述碱液搅拌装置包括固定座，所述固定座的四周均通过支杆与所述脱硫箱的内壁固定连接；本技术方案在转轴转动时，不仅对碱液进行搅拌，而且能够进行供气处理，有利于增加动能利用率，方便对碱液中的氧气浓度进行控制，使用效果好。
The present invention relates to the technical field of coal gas treatment, and discloses an integrated device for dust removal and desulfurization of blast furnace coal gas, comprising a dust removal box and a desulfurization box, a partition is arranged between the top of the dust removal box and the bottom of the desulfurization box, a mounting plate is arranged inside the dust removal box, a ventilation groove is opened on the mounting plate, a plurality of groups of dust removal bags are installed between the top of the ventilation groove and the lower surface of the partition, a gas supply pipe is arranged at the top of the dust removal box and connected to one side of the desulfurization box, an alkali liquid stirring device is arranged inside the desulfurization box, the alkali liquid stirring device comprises a fixed seat, and the four sides of the fixed seat are fixedly connected to the inner wall of the desulfurization box by support rods; when the rotating shaft rotates, the technical scheme can not only stir the alkali liquid, but also perform gas supply treatment, which is beneficial to increase the kinetic energy utilization rate, facilitate the control of the oxygen concentration in the alkali liquid, and has a good use effect.
Description
Technical Field
The invention relates to the technical field of gas treatment, in particular to a dust removal and desulfurization integrated device for blast furnace gas.
Background
Blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process. Its general components are carbon dioxide, carbon monoxide, hydrogen, nitrogen, hydrocarbon and sulfur dioxide, its dust-containing concentration is 10-50 g/cubic meter (standard condition), and its dust-producing quantity is 50kg/t (pig iron) to 75kg/t (pig iron). The dust particle size is below 500 μm, and is mainly iron, ferrous oxide, aluminum oxide, silicon oxide, magnesium oxide and coke powder. When the blast furnace gas is treated, dust removal and desulfurization treatment are required to be carried out on the blast furnace gas.
At present, when desulfurization is carried out, blast furnace gas is required to be contacted with alkali liquor, such as lime emulsion, the lime emulsion absorbs SO2 in the gas to generate CaSO3, and then the CaSO3 is oxidized into CaSO4 through a CaSO3 oxidation system, namely gypsum precipitation, in order to accelerate the sufficient reaction of the alkali liquor and sulfur dioxide, the alkali liquor needs to be stirred at the bottom, and meanwhile, when oxygen in the alkali liquor is insufficient, an air supply pump is required to be used for supplying air.
Although the stirring and air supply process can accelerate the full reaction of alkali liquor and sulfur dioxide and is beneficial to generating gypsum precipitation, as the stirring process is uninterrupted, the power output in the stirring process is only used for stirring, the output kinetic energy is wasted, and an air supply pump is additionally required for air supply, so that the energy consumption is increased, the oxygen concentration in the alkali liquor is inconvenient to control, the using effect is not ideal, in addition, when the blast furnace gas is subjected to dust removal and desulfurization treatment, the general dust removal and desulfurization are carried out separately, and the dust removal and desulfurization integrated equipment is rarely used, so that the total efficiency of the blast furnace gas in dust removal and desulfurization is reduced.
Disclosure of Invention
The invention provides a dust-removing and desulfurizing integrated device for blast furnace gas, which has the purpose of realizing stirring and simultaneously supplying air, not only improves the utilization of output kinetic energy and reduces the input use of an air supply pump and energy consumption, and is convenient for controlling the oxygen concentration in alkali liquor, but also solves the problems that the output kinetic energy is wasted, the energy consumption is increased, the oxygen concentration in the alkali liquor is inconvenient to control, the using effect is not ideal and the total efficiency of dust removal and desulfurization of the blast furnace gas is reduced by adopting the integrated arrangement of a dust-removing box and a desulfurizing box.
The invention provides the following technical scheme: the utility model provides a blast furnace gas dust removal desulfurization integrated device, includes dust removal case and desulfurization case, be provided with the baffle between the top of dust removal case with the desulfurization case bottom, the inside of dust removal case is provided with the mounting panel, the ventilation groove has been seted up on the mounting panel, install a plurality of groups dust removal sack between ventilation groove top with the lower surface of baffle, the top of dust removal case with one side intercommunication of desulfurization case is provided with the gas-supply pipe, the inside of desulfurization case is provided with alkali lye agitating unit, alkali lye agitating unit includes the fixing base, all pass through branch all around the fixing base with the inner wall fixed connection of desulfurization case, the intermediate position rotation of fixing base is provided with the pivot, the pivot top is equipped with drive assembly, the bottom fixed of pivot is provided with the rolling disc;
The inside of pivot has been seted up the air channel, one side intercommunication of desulfurization case is provided with the air pipe, the one end of air pipe with the air channel intercommunication, just the top of pivot with the air pipe rotates to be connected, the surface of pivot be provided with a plurality of groups air feed assembly of air channel bottom intercommunication, a plurality of groups air feed assembly passes through the pivot is rotatory to be supplied with air, be provided with alkali lye spray assembly between the top of desulfurization case and the surface.
As an alternative scheme of the blast furnace gas dust removal and desulfurization integrated device, the driving assembly comprises a driving motor, the driving motor is fixedly arranged on the outer surface of the desulfurization box, the output end of the driving motor is in transmission connection with a driving shaft, the other end of the driving shaft is in key connection with a first conical gear, the first conical gear is meshed with a second conical gear, and the second conical gear is in key connection with the circumference of the rotating shaft.
As an alternative scheme of the integrated device for dust removal and desulfurization of blast furnace gas, the gas supply assembly comprises a gas cylinder fixed with the outer surface of the rotating shaft, a piston plate is arranged in the gas cylinder in a sliding manner, a lifting rod is fixedly arranged on the upper surface of the piston plate, a first spring is fixedly arranged on the surface of the piston plate, the first spring is movably sleeved on the circumference of the lifting rod, the other end of the first spring is fixedly arranged on the top wall of the gas cylinder, an annular chute is formed in the lower surface of the fixed seat, and the top of the lifting rod is arranged in the annular chute in a sliding manner.
As an alternative scheme of the blast furnace gas dust removal and desulfurization integrated device, an air suction port is communicated between the bottom of the air flow channel and the bottom of the air cylinder, a first one-way valve is arranged in the air suction port, an exhaust port is communicated with the other side of the bottom of the air cylinder, and a second one-way valve is arranged in the exhaust port.
As an alternative scheme of the blast furnace gas dust removal and desulfurization integrated device, a first wedge block is fixed on the lower surface of the rotating disc, an adjusting column is arranged on the partition board in a penetrating manner, a second wedge block which slides in a matched manner with the first wedge block is fixed on the top of the adjusting column, a plurality of groups of dust removal cloth bags are sleeved with circular rings, connecting plates are fixed between every two adjacent circular rings, the bottoms of the adjusting columns are fixed on the upper surface of the connecting plates, a second spring is sleeved on the circumference of the adjusting column, two ends of the second spring are respectively fixed between the lower surface of the partition board and the upper surface of the connecting plates, and flapping assemblies for flapping the dust removal cloth bags are arranged on two sides of each circular ring.
As an alternative scheme of the integrated device for dust removal and desulfurization of blast furnace gas, the beating component comprises a rotating rod fixedly arranged in the dust removal box, a rotating rod is connected to the circumference of the rotating rod through a torsion spring in a rotating mode, a fixed block is hinged to the bottom of the rotating rod through a pin shaft, a beating plate is fixed to the outer surface of the fixed block, and a pushing rod for pushing the rotating rod to rotate is fixed to the outer surface of the circular ring.
As an alternative scheme of the blast furnace gas dust removal and desulfurization integrated device, the two sides of the second spring are provided with the third springs, the two ends of each third spring are fixed between the lower surface of the partition plate and the upper surface of the connecting plate, and the lower surface of the beating plate is fixedly provided with the balancing weight.
As an alternative scheme of the integrated device for dust removal and desulfurization of blast furnace gas, a guide rod is fixed on the lower surface of the partition plate, the guide rod penetrates through the circular ring, a plurality of groups of arc grooves are formed in the inner surface of the guide rod, protrusions are fixed on the inner surface of the circular ring, knocking columns are connected in a sliding mode, one ends of the knocking columns are inserted into the arc grooves in a sliding mode, the other ends of the knocking columns are in contact with the outer surface of the dust removal cloth bag, the two ends of the knocking columns are of circular structures, fourth springs are sleeved on the circumference of the knocking columns, and one ends, close to the dust removal cloth bag, of the fourth springs are fixed on the knocking columns.
As an alternative scheme of the integrated device for dust removal and desulfurization of blast furnace gas, the alkali liquor spraying assembly comprises a supporting plate fixed on the outer surface of the desulfurization box, a water suction pump is fixed on the supporting plate, the input end of the water suction pump is communicated with the interior of the desulfurization box, a filter screen cover is covered outside the input end of the water suction pump, the output end of the water suction pump is connected with a transfusion tube, the top end of the transfusion tube is connected with a guide tube, the guide tube is fixedly arranged at the top of the desulfurization box, a plurality of component flow tubes are symmetrically arranged on two sides of the guide tube, and a plurality of groups of spray heads are arranged on the lower surfaces of the shunt tubes.
As an alternative scheme of the blast furnace gas dust removal and desulfurization integrated device, the bottom of the dust removal box is fixedly provided with a plurality of groups of supporting legs, one side of the dust removal box is provided with a gas inlet, and the top of the desulfurization box is provided with a gas outlet.
The invention has the following beneficial effects:
1. In this blast furnace gas dust removal desulfurization integrated device, through the integrated design of dust removal case and desulfurization case, after removing dust through the dust removal sack, utilize alkali lye to spray the subassembly and spray gas, thereby accomplish desulfurization treatment, adopt this integrated design can directly accomplish desulfurization treatment after removing dust, thereby reduced blast furnace gas and remove dust and desulfurization total efficiency, alkali lye agitating unit who sets up simultaneously, it rotates to drive the pivot through drive assembly, the pivot drives the rolling disc and rotates, make the rolling disc can stir alkali lye, simultaneously through the air feed subassembly that sets up, when drive assembly drives the pivot and rotate, utilize the lift reciprocating motion of piston rod and lifter, can make the inflator inhale from the air pipe and carry out exhaust treatment from the gas vent, thereby when the pivot rotates, carry out the air feed to alkali lye and handle, be favorable to increasing kinetic energy utilization, the convenience is controlled the oxygen concentration in the alkali lye, excellent in use effect.
2. In the integrated device for dust removal and desulfurization of blast furnace gas, through the adjusting column elastically connected between the partition plate and the connecting plate, the rotating disc rotates to drive the first wedge block to rotate, the first wedge block is abutted against the second wedge block when rotating, the second wedge block can slide relatively through the first wedge block and the second wedge block, so that the second wedge block can reciprocate up and down, meanwhile, the adjusting column drives the connecting plate and the circular ring to reciprocate up and down, when the circular ring reciprocates up and down, the beating plate on the surface of the circular ring is made to abut against the pushing rod, the pushing rod is connected with the rotating rod in a rotating way through the torsion spring, when the beating plate abuts against the pushing rod, the pushing rod can be made to reciprocate around the rotating rod, so that when the pushing rod rotates, the beating plate connected with the other end is driven to beat the outer surface of the dust collection cloth bag, and therefore, when dust collection is carried out, the dust filtered on the dust collection cloth bag is discharged from the filter hole of the dust collection cloth bag, the filter hole of the dust collection cloth bag can be prevented from being blocked during back washing, the dust collection cloth bag is facilitated, the dust collection efficiency is high, and the dust collection efficiency is not easy to be blocked, and the dust collection is more convenient to use;
in order to further improve the effect of up-and-down reciprocating motion of the circular ring, the technical scheme is that third springs are arranged on two sides of the second spring, and stable restoring force is provided by the third springs, so that the up-and-down reciprocating motion of the circular ring is smoother;
In order to further improve the flapping effect of the dust removing cloth bag, the balancing weight is fixed on the lower surface of the flapping plate, and the flapping plate can be kept in a vertical state through the balancing weight, so that the flapping effect is improved;
3. In this blast furnace gas dust removal desulfurization integrated device, through the guide arm that sets up, a plurality of groups of arc wall that set up on the guide arm, utilize the fourth spring to make the one end of beating the post conflict in one of them arc wall, at the in-process that the ring goes up and down reciprocally, make the one end of beating the post slide along the guide arm surface, the different arc wall of business turn over in turn over simultaneously, make beating the post and carry out horizontal reciprocating motion in turn, thereby make beating the top position of post to dust removal sack beat, further reduced the possibility that the dust removal sack top appears blockking up, great improvement dust collection efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic diagram of a second perspective structure of the present invention.
Fig. 3 is one of schematic structural views of the inside of the dust removing tank and the desulfurizing tank of the present invention.
Fig. 4 is an enlarged view of fig. 3 a in accordance with the present invention.
FIG. 5 is a second schematic view of the structure of the inside of the dust removing tank and the desulfurizing tank of the present invention.
Fig. 6 is an enlarged view of fig. 5 at B in accordance with the present invention.
Fig. 7 is a cross-sectional view of the structure of fig. 1 in the direction C in accordance with the present invention.
Fig. 8 is an enlarged view of fig. 7 at D in accordance with the present invention.
Fig. 9 is an enlarged view of fig. 7 at E in accordance with the present invention.
Fig. 10 is an enlarged view of fig. 9 at F in accordance with the present invention.
FIG. 11 is a schematic view of the structure of the annular chute portion of the present invention.
Fig. 12 is a top view of the portion of the ring and dust bag of the present invention.
Fig. 13 is a distribution diagram of a shunt in the present invention.
Fig. 14 is an enlarged view of fig. 12 at G in accordance with the present invention.
In the figure, 1, a dust removing box; 2, a desulfurization box; 3, a partition board; 4, mounting plate, 5, ventilation slot, 6, dust removing cloth bag, 7, gas pipe, 8, fixing seat, 9, support rod, 10, rotating shaft, 11, driving component, 111, driving motor, 112, driving shaft, 113, first conical gear, 114, second conical gear, 12, rotating disk, 13, air channel, 14, air pipe, 15, gas supply component, 151, inflator, 152, piston plate, 153, lifting rod, 154, first spring, 155, annular chute, 156, air suction port, 157, first check valve, 158, exhaust port, 159, second check valve, 16, alkali liquor spraying component, 161, supporting plate, 162, water suction pump, 163, filter screen, 164, infusion tube, 165, honeycomb duct, 166, shunt tube, 167, spray head, 17, first wedge block, 18, adjusting column, 19, second wedge block, 20, circular ring, 21, connecting plate, 22, second spring, 23, beating component, 231, rotating rod, 232, 233, fixing block, 234, beating plate, 235, pushing rod, 236, third spring, guide rod, 24, guide rod, 17, arc-shaped support leg, 31, arc-shaped support rod, 31, arc-shaped inlet, arc-shaped support rod, 28, arc-shaped inlet, arc-shaped support rod, 30.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled 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.
Example 1
Referring to fig. 1-14, an integrated device for dust removal and desulfurization of blast furnace gas comprises a dust removal box 1 and a desulfurization box 2, wherein a partition plate 3 is arranged between the top of the dust removal box 1 and the bottom of the desulfurization box 2, a mounting plate 4 is arranged in the dust removal box 1, a vent groove 5 is arranged on the mounting plate 4, a plurality of groups of dust removal cloth bags 6 are arranged between the upper part of the vent groove 5 and the lower surface of the partition plate 3, one side of the top of the dust removal box 1 and the desulfurization box 2 is communicated with a gas pipe 7, an alkali liquor stirring device is arranged in the desulfurization box 2, the alkali liquor stirring device comprises a fixing seat 8, the periphery of the fixing seat 8 is fixedly connected with the inner wall of the desulfurization box 2 through a supporting rod 9, a rotating shaft 10 is rotatably arranged in the middle of the fixing seat 8, a driving assembly 11 is arranged at the top end of the rotating shaft 10, and a rotating disc 12 is fixedly arranged at the bottom end of the rotating shaft 10;
an air flow channel 13 is formed in the rotating shaft 10, one side of the desulfurization box 2 is communicated with an air pipe 14, one end of the air pipe 14 is communicated with the air flow channel 13, the top end of the rotating shaft 10 is rotationally connected with the air pipe 14, a plurality of groups of air supply assemblies 15 communicated with the bottom of the air flow channel 13 are arranged on the outer surface of the rotating shaft 10, the plurality of groups of air supply assemblies 15 supply air through the rotation of the rotating shaft 10, and an alkali liquor spraying assembly 16 is arranged between the top of the desulfurization box 2 and the outer surface;
The driving assembly 11 comprises a driving motor 111, the driving motor 111 is fixedly arranged on the outer surface of the desulfurization box 2, the output end of the driving motor 111 is in transmission connection with a driving shaft 112, the other end of the driving shaft 112 is in key connection with a first conical gear 113, the first conical gear 113 is meshed with a second conical gear 114, and the second conical gear 114 is in key connection with the circumference of the rotating shaft 10;
The air supply assembly 15 comprises an air cylinder 151 fixed with the outer surface of the rotating shaft 10, a piston plate 152 is slidably arranged in the air cylinder 151, a lifting rod 153 is fixedly arranged on the upper surface of the piston plate 152, a first spring 154 is fixedly arranged on the surface of the piston plate 152, the first spring 154 is movably sleeved on the circumference of the lifting rod 153, the other end of the first spring 154 is fixedly arranged on the top wall of the air cylinder 151, an annular chute 155 is arranged on the lower surface of the fixed seat 8, and the top of the lifting rod 153 is slidably arranged in the annular chute 155;
An air suction port 156 is communicated between the bottom of the air flow channel 13 and the bottom of the air cylinder 151, a first one-way valve 157 is installed in the air suction port 156, an air exhaust port 158 is communicated with the other side of the bottom of the air cylinder 151, and a second one-way valve 159 is installed in the air exhaust port 158;
The alkali liquor spraying assembly 16 comprises a supporting plate 161 fixed on the outer surface of the desulfurization box 2, a water pump 162 is fixed on the supporting plate 161, the input end of the water pump 162 is communicated with the inside of the desulfurization box 2, a filter screen 163 is covered on the outer side of the input end of the water pump 162, the output end of the water pump 162 is connected with a transfusion tube 164, the top end of the transfusion tube 164 is connected with a diversion tube 165, the diversion tube 165 is fixedly arranged at the top of the desulfurization box 2, a plurality of component flow tubes 166 are symmetrically arranged on two sides of the diversion tube 165, and a plurality of groups of spray heads 167 are arranged on the lower surfaces of the diversion tubes 166;
The bottom of the dust removal box 1 is fixedly provided with a plurality of groups of supporting legs 29, one side of the dust removal box 1 is provided with a gas inlet 30, and the top of the desulfurization box 2 is provided with a gas outlet 31;
In the technical scheme, when dust removal and desulfurization work is carried out, blast furnace gas is conveyed through a gas inlet 30 and enters a dust removal cloth bag 6 through a ventilation groove 5, dust is filtered by the dust removal cloth bag 6, the gas passes through the dust removal cloth bag 6 to complete dust removal work, then enters a desulfurization box 2 through a gas pipe 7, alkali liquor is arranged at the bottom of the desulfurization box 2, the alkali liquor is extracted through a water suction pump 162, and is sprayed out from a spray head 167 to adsorb and drop sulfur dioxide in the gas and fully react in the alkali liquor at the bottom to complete desulfurization treatment, the treated gas is discharged from a gas outlet 31, and the desulfurization treatment can be directly completed after dust removal by adopting the integrated design of the dust removal box 1 and the desulfurization box 2, so that the total efficiency of the blast furnace gas in dust removal and desulfurization is reduced;
When desulfurization is carried out, the driving motor 111 drives the driving shaft 112 to rotate, the driving shaft 112 drives the first bevel gear 113 to rotate, the first bevel gear 113 drives the second bevel gear 114 to rotate, the second bevel gear 114 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the rotating disc 12 at the bottom to rotate, the rotating disc 12 stirs alkali liquor, meanwhile, when the rotating shaft 10 rotates, the air cylinder 151 is driven to rotate along with the rotating shaft 10, the air cylinder 151 drives the lifting rod 153 to slide in the annular sliding groove 155, the annular sliding groove 155 adopts a concave-convex structure design as shown in fig. 11, the annular sliding groove 155 adopts a concave-convex structure design, so that when the lifting rod 153 slides to a concave position in the annular sliding groove 155, the piston plate 152 is pulled to move upwards by the elastic force of the first spring 154, meanwhile, the lifting rod 153 is driven to move upwards, the top of the lifting rod 153 slides to the concave position, and when the piston plate 152 moves upwards, the first check valve 157 is opened, the air enters the air cylinder 151 from the air suction port 156 through the air pipe 14 and the air flow channel 13, the second check valve 159 is closed, the air is not discharged from the air outlet 158, when the lifting rod 153 continues and slides to the convex part of the annular chute 155, the lifting rod 153 moves downwards, the piston plate 152 is driven to move downwards, and the first spring 154 is stretched to enable the first spring 154 to have a pulling force for pulling the piston plate 152 upwards subsequently, when the piston plate 152 moves downwards, the first check valve 157 is closed, the air does not enter the air flow channel 13 through the air suction port 156, the second check valve 159 is opened, the air is discharged through the air outlet 158, so that when the rotating shaft 10 rotates, the alkali liquid is supplied by the up-and-down reciprocating motion of the piston plate 152, thereby being beneficial to increasing the utilization rate of kinetic energy and facilitating the control of the oxygen concentration in the alkali liquid, the use effect is good, in addition, when the rotating shaft 10 rotates, the exhaust port 158 is in a centrifugal state, so that alkali liquor can be prevented from entering, and gas can be uniformly distributed in the alkali liquor.
Example two
The embodiment is an improvement made on the basis of the first embodiment, specifically referring to fig. 1-14, a first wedge block 17 is fixed on the lower surface of the rotating disc 12, an adjusting column 18 is penetratingly arranged on the partition plate 3, a second wedge block 19 which slides in cooperation with the first wedge block 17 is fixed on the top of the adjusting column 18, a plurality of groups of dust collection cloth bags 6 are sleeved with circular rings 20, connecting plates 21 are fixed between adjacent circular rings 20, the bottoms of the adjusting columns 18 are fixed on the upper surface of the connecting plates 21, a second spring 22 is sleeved on the circumference of the adjusting column 18, two ends of the second spring 22 are respectively fixed between the lower surface of the partition plate 3 and the upper surface of the connecting plates 21, and beating assemblies 23 for beating the dust collection cloth bags 6 are arranged on two sides of the circular rings 20;
The beating assembly 23 comprises a rotating rod 231 fixedly arranged in the dust removal box 1, a rotating rod 232 is rotatably connected to the circumference of the rotating rod 231 through a torsion spring, a fixed block 233 is hinged to the bottom of the rotating rod 232 through a pin shaft, a beating plate 234 is fixedly arranged on the outer surface of the fixed block 233, and a pushing rod 235 for pushing the rotating rod 232 to rotate is fixedly arranged on the outer surface of the circular ring 20;
In the technical scheme, when the rotating shaft 10 drives the rotating disc 12 to rotate, the first wedge block 17 is driven to rotate at the same time, when the first wedge block 17 rotates to be in contact with the second wedge block 19, the first wedge block 17 and the inclined surface of the second wedge block 19 are enabled to collide with each other, at the moment, the second wedge block 19 moves downwards to drive the adjusting column 18 to move downwards, the adjusting column 18 drives the connecting plate 21 and the circular ring 20 to move downwards, meanwhile, the second spring 22 is stretched, the circular ring 20 moves downwards to drive the push rod 235 to move downwards along the outer surface of the rotating rod 232, the rotating rod 232 is driven to rotate around the rotating rod 231, meanwhile, the torsion spring holds force, the rotating rod 232 rotates to drive the beating plate 234 to move towards one side of the dust collecting cloth bag 6, and the outer side of the dust collecting cloth bag 6 is beaten;
When the rotating shaft 10 drives the rotating disc 12 to continue rotating, the first wedge block 17 slides out of the second wedge block 19, the first wedge block 17 is not in conflict with the second wedge block 19, the adjusting column 18, the connecting plate 21 and the circular ring 20 are driven to move upwards and reset due to the restoring force provided by the second spring 22, the circular ring 20 moves upwards to drive the push rod 235 to move upwards, the torsion spring leaks force to drive the rotating rod 232 to rotate in the opposite direction, and the rotating rod 232 drives the beating plate 234 to move away from one side of the dust collection cloth bag 6;
The rotating disc 12 is driven to rotate through the rotating shaft 10, the rotating disc 12 drives the first wedge block 17 to rotate, the second wedge block 19, the adjusting column 18, the circular ring 20 and the pushing rod 235 do up-and-down reciprocating motion under the action of the first wedge block 17, so that the beating plate 234 is used for repeatedly beating the dust collection cloth bag 6, dust filtered on the dust collection cloth bag 6 can be discharged from the filter holes of the dust collection cloth bag 6 when dust collection is carried out, the purpose of backwashing is achieved, the filter holes of the dust collection cloth bag 6 can be prevented from being blocked by the dust during dust collection, the ventilation effect of the dust collection cloth bag 6 is improved, the dust collection efficiency is high, the dust collection is not easy to block, and the dust collection cloth bag is more convenient to use
In order to further improve the up-and-down reciprocating effect of the ring 20, the third springs 236 are disposed on both sides of the second spring 22, and a stable restoring force is provided by the third springs 236, so that the up-and-down reciprocating of the ring 20 is smoother;
in order to further improve the beating effect of the dust removing cloth bag 6, a balancing weight 237 is fixed on the lower surface of the beating plate 234, and the beating plate 234 can be kept in a vertical state by the aid of the balancing weight 237, so that the beating effect is improved.
Example III
Because blast furnace gas enters the dust collection cloth bag 6 through the ventilation groove 5 and impacts the top of the dust collection cloth bag 6, the dust collection cloth bag 6 is formed into a shape with a large top and a small bottom (as shown in fig. 9), when the blast furnace gas impacts the top of the dust collection cloth bag 6, the ventilation quantity of the top of the dust collection cloth bag 6 is large, and more dust filtered by the top of the dust collection cloth bag 6 is caused, so that the top of the dust collection cloth bag 6 is easier to be blocked by dust, aiming at the problem, the embodiment is an improvement based on the second embodiment, specifically, referring to fig. 1-14, a guide rod 24 is fixed on the lower surface of the partition plate 3, the guide rod 24 penetrates through the circular ring 20, a plurality of arc grooves 25 are formed on the inner surface of the guide rod 24, a boss 26 is fixed on the inner surface of the circular ring 20, a knocking post 27 is connected in a sliding manner inside the boss 27, one end of the knocking post 27 is connected in the arc grooves 25 in a sliding manner, the other end of the knocking post 27 is in conflict with the outer surface of the dust collection cloth bag 6, both ends of the knocking post 27 are arranged as a face structure, and a fourth knocking post 28 is fixed on the fourth spring 28 and a fourth end of the knocking post 27 is arranged on the circumference of the fourth spring 28;
In the technical scheme, the ring 20 reciprocates up and down through the ring 20, so that the ring 20 moves vertically along the guide rod 24, when the ring 20 moves vertically along the guide rod 24, one end of the knocking column 27 is abutted against one of the arc grooves 25 through the plurality of groups of arc grooves 25 formed in the guide rod 24 by the fourth spring 28, one end of the knocking column 27 slides along the surface of the guide rod 24 in the reciprocating lifting process of the ring 20, meanwhile, the knocking column 27 is driven to reciprocate horizontally by alternately entering and exiting different arc grooves 25, so that the knocking column 27 knocks the top position of the dust collection cloth bag 6, the possibility of blocking the top of the dust collection cloth bag 6 is further reduced, and the dust collection efficiency is greatly improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212467661U (en) * | 2020-06-04 | 2021-02-05 | 枣庄市通祥机械有限公司 | High-efficient wet-type electric precipitation desulfurization system |
| CN215842109U (en) * | 2021-06-24 | 2022-02-18 | 泊头市钢花环保设备有限公司 | Cloth bag dust removal and desulfurization integrated device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4519990A (en) * | 1983-05-24 | 1985-05-28 | Rockwell International Corporation | Spray dryer for the purification of a gas |
| CN217646024U (en) * | 2022-03-16 | 2022-10-25 | 常州安康机械有限公司 | Air box pulse bag desulfurization dust collector with anti-corrosion function |
| CN117165336A (en) * | 2023-08-30 | 2023-12-05 | 山东国舜建设集团有限公司 | Device for solving short operation period of blast furnace gas fine desulfurization dry process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212467661U (en) * | 2020-06-04 | 2021-02-05 | 枣庄市通祥机械有限公司 | High-efficient wet-type electric precipitation desulfurization system |
| CN215842109U (en) * | 2021-06-24 | 2022-02-18 | 泊头市钢花环保设备有限公司 | Cloth bag dust removal and desulfurization integrated device |
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