CN214261237U - Flue gas desulfurization and dust removal device for calcining furnace - Google Patents
Flue gas desulfurization and dust removal device for calcining furnace Download PDFInfo
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- CN214261237U CN214261237U CN202120103627.5U CN202120103627U CN214261237U CN 214261237 U CN214261237 U CN 214261237U CN 202120103627 U CN202120103627 U CN 202120103627U CN 214261237 U CN214261237 U CN 214261237U
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Abstract
The utility model discloses a flue gas desulfurization and dust removal device for a calcining furnace, which comprises a tower body and a spraying system, wherein a plurality of liquid collecting bowls are arranged inside the tower body, and the liquid collecting bowls are funnel-shaped with openings at the upper part and the lower part; the spraying system comprises a circulating water tank arranged on one side of the tower body, a circulating water pump is arranged on one side of the upper portion of the circulating water tank, a water outlet pipe is connected to one side of the circulating water pump, one end of the water outlet pipe is connected with a plurality of spraying branch pipes, the spraying branch pipes are arranged on the upper portion of the liquid collecting bowl, and a plurality of spray heads are arranged on the lower portions of the spraying branch pipes. The utility model discloses set up the collection liquid bowl of many dry group's infundibulates inside the tower body, spray system will spray inside liquid collection bowl on top to flow down from the end opening of collection liquid bowl, form the water curtain in the lower part of collection liquid bowl, forge burning furnace flue gas and get into the inside back of tower body from the intake pipe, pass multilayer water curtain, after washing desulfurization dust removal through many times, discharge from the outlet duct, prolonged the flue gas and sprayed the contact time of liquid, thereby guaranteed the effect that forges burning furnace flue gas desulfurization and remove dust.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, in particular to forge burning furnace flue gas desulfurization dust collector.
Background
The desulfurizing tower is equipment for desulfurizing industrial waste gas, and is important equipment in chemical equipment. Through the improvement of many years, the desulfurizing tower has been developed into various desulfurizing towers of a spray type, a Venturi type, a rotational flow plate type, a rotational flow column type, a floating ball type, a sieve plate type, a pneumatic emulsification type and the like, and the equipment technology is mature day by day.
Carbon production calciners produce large amounts of high temperature exhaust gases in production, which contain large amounts of heat energy, along with contaminants that mainly include dust and sulfur dioxide. At present, a spray-type desulfurizing tower is commonly used for treating the flue gas of the carbon calcining furnace, and comprises a spray system, an absorption system and an oxidation system, wherein the spray system, the absorption system and the oxidation system mainly use alkaline liquid as a carrier to separate and treat harmful substances such as dust, sulfur dioxide, hydrocarbon and the like in the flue gas from the flue gas, absorb and settle the harmful substances, and finally achieve the aim of purifying the flue gas. However, the existing spray-type desulfurizing tower is mostly a straight barrel-shaped tower body, the flue gas of the calcining furnace is introduced into the tower from one side of the bottom of the tower body and is discharged after being sprayed by a spraying system inside the tower body, but most of the time of the flue gas contacting with the alkali liquor is in a vertical space below a spraying position, the time of the alkali liquor absorbing sulfide is in inverse proportion to the flow rate of the flue gas, the absorption is not sufficient, and the desulfurizing effect also has a certain lifting space.
Disclosure of Invention
The utility model aims at overcoming the not enough among the prior art, a forge burning furnace flue gas desulfurization dust collector is provided, set up the collection liquid bowl of many dry group's infundibulates inside the tower body, spraying system will spray inside liquid spray at the collection liquid bowl on top, and flow down from the end opening of collection liquid bowl, form the water curtain in the lower part of collection liquid bowl, forge burning furnace flue gas and get into the inside back of tower body from the intake pipe, pass multilayer water curtain, after washing many times desulfurization dust removal, discharge from the outlet duct, the contact time of flue gas with liquid spray has been prolonged, thereby the effect of forging burning furnace flue gas desulfurization dust removal has been guaranteed.
In order to realize the purpose, the utility model discloses a technical scheme is:
a flue gas desulfurization and dust removal device for a calcining furnace comprises a tower body and a spraying system, wherein an air inlet pipe is arranged on one side of the lower part of the tower body, an air outlet pipe is arranged at the upper end of the tower body, a plurality of liquid collecting bowls are arranged in the tower body, at least two groups of liquid collecting bowls are arranged in the tower body, and the liquid collecting bowls are funnel-shaped with openings at the upper part and the lower part; the spraying system comprises a circulating water tank arranged on one side of the tower body, one side of the lower part of the circulating water tank is communicated with the tower body, a circulating water pump is arranged on one side of the upper part of the circulating water tank, a water outlet pipe is connected to one side of the circulating water pump, one end of the water outlet pipe is connected with a plurality of spraying branch pipes, the spraying branch pipes are arranged on the upper part of the liquid collecting bowl, and a plurality of spray heads are arranged; during the use, circulating water pump sprays the inside liquid that sprays of tower body bottom and circulation tank on collection liquid bowl inner wall through the shower nozzle, the liquid that sprays flows down from collection liquid bowl end opening, form the water curtain in the lower part of collection liquid bowl, multiunit collection liquid bowl forms multichannel water curtain, the flue gas need pass multilayer water curtain when upwards circulating, thereby carry out washing desulfurization dust removal many times to the flue gas, when the flue gas flows from the collection liquid bowl mouth of top, the liquid that sprays that is spouted down by the shower nozzle once more sprays, the contact time of flue gas and liquid that sprays has been prolonged, thereby the effect of burning furnace flue gas desulfurization dust removal has been guaranteed to the burning furnace.
As a further optimization of the technical scheme, the lower part of the liquid collecting bowl is provided with the gas distribution plate, the gas distribution plate is provided with a plurality of gas distribution holes, the hole diameter of the gas distribution hole close to one side of the gas inlet pipe is smaller than the hole diameter of the gas distribution hole far away from one side of the gas inlet pipe, the uniformity of the distribution of the flue gas in the tower body is ensured, and the desulfurization and dust removal effects of the flue gas are further ensured.
As a further preference of the technical scheme, one side of the lower part of the tower body is provided with a plurality of partition plates, the partition plates are arranged inside the spraying liquid, one ends of the partition plates are fixedly connected with the inner wall of the tower body, a circulation channel is formed between the other ends of the partition plates and the tower body, and the adjacent partition plates are arranged in a staggered manner; after the flue gas enters the tower body through the air inlet pipe, the flue gas continuously and roundly flows in the spraying liquid under the action of the partition plate, so that the contact time of the flue gas and the spraying liquid is further prolonged, the flue gas desulfurization and dust removal effects are enhanced, the flue gas is washed in the spraying liquid in advance, and the pressure of the follow-up desulfurization and dust removal of the flue gas is reduced.
As a further optimization of the technical scheme, the upper parts of the spraying branch pipes are provided with the activated carbon adsorption layers, the activated carbon adsorption layers adsorb peculiar smell in the smoke and adsorb spraying liquid carried in the smoke, and the cleanliness of smoke emission is ensured.
As a further optimization of the technical scheme, one side of the upper part of the activated carbon adsorption layer is provided with a plurality of uniformly arranged demisting folding plates, when desulfurized flue gas flows through the demisting folding plates at a certain speed, the flue gas is quickly and continuously changed in motion direction, and fog drops in the flue gas impact the demisting folding plates and are captured due to the centrifugal force and the inertia, so that the moisture content of the flue gas is further reduced.
As a further preferred of this technical scheme, the tower body bottom is equipped with mixing system, mixing system includes a plurality of agitator motor of installing in the tower body bottom, and agitator motor's output shaft one end is connected with stirring vane, stirring vane sets up between the tower bottom and baffle, and stirring vane stirs the liquid that sprays at the tower bottom, has avoided the dirt mud in the liquid that sprays at the tower bottom to condense.
As a further optimization of the technical scheme, a warm bed is arranged on one side of the lower portion of the bottom of the tower body, the warm bed comprises a circular pipe arranged on the lower portion of the bottom plate of the tower body, a plurality of heat exchange branch pipes arranged inside the circular pipe, a hot air inlet pipe arranged on one side of the circular pipe and a hot air outlet pipe arranged on the other side of the circular pipe, the hot air inlet pipe is connected with an air outlet pipe of the calcining furnace, the hot air outlet pipe is connected with an air inlet pipe on the lower portion of the tower body, flue gas of the calcining furnace is heated by the warm bed, the tower body is heated by the warm bed, freezing of spray liquid in a cold environment is avoided, fluidity of the spray liquid is guaranteed, the warm bed realizes recycling of flue gas waste heat, and energy consumption of flue gas desulfurization and dust removal is reduced.
As a further optimization of the technical scheme, one side of the hot gas outlet pipe is provided with an elbow, the cross section of the elbow is n-shaped, the upper end of the elbow is higher than the height of the spray liquid inside the tower body, and the elbow prevents the spray liquid from flowing back to the inside of the warm bed.
The utility model has the advantages that:
1) the utility model discloses set up the collection liquid bowl of many dry group's infundibulates inside the tower body, spray system will spray inside liquid collection bowl on top to flow down from the end opening of collection liquid bowl, form the water curtain in the lower part of collection liquid bowl, forge burning furnace flue gas and get into the inside back of tower body from the intake pipe, pass multilayer water curtain, after washing desulfurization dust removal through many times, discharge from the outlet duct, prolonged the flue gas and sprayed the contact time of liquid, thereby guaranteed the effect that forges burning furnace flue gas desulfurization and remove dust.
2) The lower part of the liquid collecting bowl is provided with the gas distribution plate, the gas distribution plate is provided with a plurality of gas distribution holes, and the hole diameter of the gas distribution hole close to one side of the gas inlet pipe is smaller than that of the gas distribution hole far away from one side of the gas inlet pipe, so that the uniformity of the distribution of the flue gas in the tower body is ensured, and the desulfurization and dust removal effects of the flue gas are further ensured.
3) A plurality of partition plates are arranged on one side of the lower part of the tower body, the partition plates are arranged in the spraying liquid, one ends of the partition plates are fixedly connected with the inner wall of the tower body, a circulation channel is formed between the other ends of the partition plates and the tower body, and the adjacent partition plates are arranged in a staggered manner; after the flue gas enters the tower body through the air inlet pipe, the flue gas continuously and roundly flows in the spraying liquid under the action of the partition plate, so that the contact time of the flue gas and the spraying liquid is further prolonged, the flue gas desulfurization and dust removal effects are enhanced, the flue gas is washed in the spraying liquid in advance, and the pressure of the follow-up desulfurization and dust removal of the flue gas is reduced.
4) The upper parts of the spraying branch pipes are provided with activated carbon adsorption layers, the activated carbon adsorption layers adsorb peculiar smell in the smoke and adsorb spraying liquid carried in the smoke, and the cleanliness of smoke emission is guaranteed.
5) Active carbon adsorption layer upper portion one side is equipped with a plurality of defogging folded plates of evenly arranging, and when the flue gas after the desulfurization flowed through the defogging folded plate with certain speed, the flue gas was by quick, change direction of motion in succession, because of centrifugal force and inertial effect, and the droplet in the flue gas strikes the defogging folded plate and is caught and get down, has further reduced the moisture content of flue gas.
6) The tower body bottom is equipped with mixing system, and mixing system includes a plurality of agitator motor of installing in the tower body bottom, and agitator motor's output shaft one end is connected with stirring vane, and stirring vane sets up between tower bottom and baffle, and stirring vane stirs the liquid that sprays at the tower bottom, has avoided the dirt mud in the liquid that sprays at the tower bottom to condense.
7) Tower body bottom lower part one side is equipped with warm bed, warm bed is including setting up in the ring canal of tower body bottom plate lower part, set up in the inside a plurality of heat transfer branch pipes of ring canal, the steam that sets up in ring canal one side advances the pipe and sets up in the steam exit tube of ring canal opposite side, steam advances the pipe and is connected with the outlet duct of calcining the stove, the intake-tube connection of steam exit tube and tower body lower part, it heats the tower body to forge burning stove flue gas utilization warm bed, warm bed heats the tower body, spray liquid under having avoided cold environment and freeze, the mobility of spraying liquid has been guaranteed, and warm bed has realized the recovery of flue gas waste heat and has recycled, the energy consumption that the flue gas desulfurization removed dust has been reduced.
8) One side of the hot gas outlet pipe is provided with an elbow, the cross section of the elbow is n-shaped, the upper end of the elbow is higher than the height of the spray liquid inside the tower body, and the elbow prevents the spray liquid from flowing back to the inside of the warm bed.
Drawings
FIG. 1 is a schematic structural view of a flue gas desulfurization and dust removal device of a calcining furnace.
FIG. 2 is a schematic view of the spraying liquid flow direction of the flue gas desulfurization and dust removal device of the calcining furnace.
FIG. 3 is a schematic view of the internal structure of a flue gas desulfurization and dust removal device of a calcining furnace.
FIG. 4 is a schematic view of a warm bed structure in a flue gas desulfurization and dust removal device of a calcining furnace.
In the figure: 1. a tower body; 2. an air inlet pipe; 3. an air outlet pipe; 4. warming the bed; 5. hot gas enters the pipe; 6. a ring pipe; 7. a heat exchange branch pipe; 8. a hot gas outlet pipe; 9. bending the pipe; 10. a partition plate; 11. a gas distribution plate; 12. a liquid collecting bowl; 13. a circulating water tank; 14. a water circulating pump; 15. a water outlet pipe; 16. spraying branch pipes; 17. a spray head; 18. an activated carbon adsorption layer; 19. a defogging folded plate; 20. a stirring motor; 21. a stirring blade;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, a particular orientation configuration, and operation, and therefore, should not be construed as limiting the present invention.
A flue gas desulfurization and dust removal device for a calcining furnace comprises a tower body 1 and a spraying system, wherein an air inlet pipe 2 is arranged on one side of the lower part of the tower body 1, an air outlet pipe 3 is arranged at the upper end of the tower body 1, a plurality of liquid collecting bowls 12 are arranged in the tower body 1, at least two groups of liquid collecting bowls 12 are arranged, and the liquid collecting bowls 12 are funnel-shaped with openings at the upper part and the lower part; the spraying system comprises a circulating water tank 13 arranged on one side of the tower body 1, one side of the lower part of the circulating water tank 13 is communicated with the tower body 1, a circulating water pump 14 is arranged on one side of the upper part of the circulating water tank 13, one side of the circulating water pump 14 is connected with a water outlet pipe 15, one end of the water outlet pipe 15 is connected with a plurality of spraying branch pipes 16, the spraying branch pipes 16 are arranged on the upper part of the liquid collecting bowl 12, and a plurality of spray heads 17 are arranged on the lower parts of the spraying branch pipes 16; during the use, circulating water pump 14 sprays the spray liquid of tower body 1 bottom and circulating water tank 13 inside on album liquid bowl 12 inner wall through shower nozzle 17, the spray liquid flows down from album liquid bowl 12 end opening, form the water curtain in the lower part of album liquid bowl 12, multiunit collection liquid bowl 12 forms multichannel water curtain, the flue gas need pass multilayer water curtain when upwards circulating, thereby carry out washing desulfurization dust removal many times to the flue gas, when the flue gas flows from the 12 mouths of collection liquid bowl of top, the spray liquid that is sprayed down by shower nozzle 17 once more sprays, the contact time of flue gas with the spray liquid has been prolonged, thereby the effect of calcining furnace flue gas desulfurization dust removal has been guaranteed.
In this embodiment, collection liquid bowl 12 lower part is equipped with gas distribution plate 11, and gas distribution plate 11 is equipped with a plurality of gas distribution holes, and is close to the aperture of the gas distribution hole of intake pipe 2 one side and is less than the aperture of the gas distribution hole of keeping away from intake pipe 2 one side, has guaranteed the homogeneity of flue gas at the inside distribution of tower body 1, and then has guaranteed the desulfurization dust removal effect of flue gas.
In this embodiment, one side of the lower part of the tower body 1 is provided with a plurality of partition plates 10, the partition plates 10 are arranged inside the spray liquid, one ends of the partition plates 10 are fixedly connected with the inner wall of the tower body 1, a circulation channel is formed between the other ends of the partition plates 10 and the tower body 1, and the adjacent partition plates 10 are arranged in a staggered manner; after the flue gas enters the tower body 1 through the air inlet pipe 2, the flue gas continuously and roundly flows in the spraying liquid under the action of the partition plate 10, so that the contact time of the flue gas and the spraying liquid is further prolonged, the flue gas desulfurization and dust removal effects are enhanced, the flue gas is washed in the spraying liquid in advance, and the pressure of the follow-up desulfurization and dust removal of the flue gas is reduced.
In this embodiment, the upper portion of the spray branch pipe 16 is provided with an activated carbon adsorption layer 18, and the activated carbon adsorption layer 18 adsorbs the peculiar smell in the flue gas and adsorbs the spray liquid carried in the flue gas, so that the cleanliness of the flue gas emission is ensured.
In this embodiment, 18 upper portion one side of active carbon adsorption layer is equipped with a plurality of defogging folded plates 19 of evenly arranging, and when flue gas after the desulfurization flowed through defogging folded plate 19 with certain speed, the flue gas was by quick, change direction of motion in succession, and because of centrifugal force and inertial effect, the droplet in the flue gas struck on defogging folded plate 19 and was caught and collect, has further reduced the moisture content of flue gas.
In this embodiment, 1 bottom of tower body is equipped with mixing system, mixing system includes a plurality of agitator motor 20 of installing in 1 bottom of tower body, and agitator motor 20's output shaft one end is connected with stirring vane 21, stirring vane 21 sets up between the tower bottom and baffle 10, and stirring vane 21 stirs the liquid that sprays at the tower bottom, has avoided the dirt mud in the liquid that sprays at the tower bottom to condense.
In this embodiment, a warm bed 4 is arranged on one side of the lower portion of the bottom of the tower body 1, the warm bed 4 comprises a circular pipe 6 arranged on the lower portion of the bottom plate of the tower body 1, a plurality of heat exchange branch pipes 7 arranged inside the circular pipe 6, a hot air inlet pipe 5 arranged on one side of the circular pipe 6 and a hot air outlet pipe 8 arranged on the other side of the circular pipe 6, the hot air inlet pipe 5 is connected with an air outlet pipe of a calcining furnace, the hot air outlet pipe 8 is connected with an air inlet pipe 2 on the lower portion of the tower body 1, flue gas of the calcining furnace is heated by the warm bed 4, the warm bed 4 heats the tower body 1, freezing of spray liquid in a cold environment is avoided, fluidity of the spray liquid is guaranteed, the warm bed 4 realizes recycling.
In this embodiment, hot gas exit tube 8 one side is equipped with elbow 9, and elbow 9 cross-section is "n" font, and the upper end height of elbow 9 is higher than the height that the inside liquid that sprays of tower body 1, and elbow 9 has avoided spraying liquid to flow backwards to warm bed 4 inside.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. A flue gas desulfurization and dust removal device for a calcining furnace comprises a tower body and a spraying system, wherein an air inlet pipe is arranged on one side of the lower part of the tower body, and an air outlet pipe is arranged at the upper end of the tower body; the spraying system comprises a circulating water tank arranged on one side of the tower body, one side of the lower portion of the circulating water tank is communicated with the tower body, a circulating water pump is arranged on one side of the upper portion of the circulating water tank, a water outlet pipe is connected to one side of the circulating water pump, one end of the water outlet pipe is connected with a plurality of spraying branch pipes, the spraying branch pipes are arranged on the upper portion of the liquid collecting bowl, and a plurality of spray heads are arranged on the lower portions of the spraying branch pipes.
2. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 1, wherein a gas distribution plate is arranged at the lower part of the liquid collection bowl, the gas distribution plate is provided with a plurality of gas distribution holes, and the hole diameter of the gas distribution hole at the side close to the gas inlet pipe is smaller than the hole diameter of the gas distribution hole at the side far away from the gas inlet pipe.
3. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 1, wherein a plurality of partition plates are arranged on one side of the lower part of the tower body, the partition plates are arranged inside the spraying liquid, one ends of the partition plates are fixedly connected with the inner wall of the tower body, a circulation channel is formed between the other ends of the partition plates and the tower body, and the adjacent partition plates are arranged in a staggered manner.
4. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 1, wherein an activated carbon adsorption layer is arranged at the upper part of the spray branch pipe.
5. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 4, wherein one side of the upper part of the activated carbon adsorption layer is provided with a plurality of uniformly arranged demisting folded plates.
6. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 1, wherein a stirring system is arranged at the bottom of the tower body, the stirring system comprises a plurality of stirring motors arranged at the bottom of the tower body, one end of an output shaft of each stirring motor is connected with a stirring blade, and the stirring blade is arranged between the tower bottom and the partition plate.
7. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 1, wherein a warm bed is arranged on one side of the bottom of the tower body, the warm bed comprises a circular pipe arranged on the lower portion of the bottom plate of the tower body, a plurality of heat exchange branch pipes arranged inside the circular pipe, a hot gas inlet pipe arranged on one side of the circular pipe and a hot gas outlet pipe arranged on the other side of the circular pipe, the hot gas inlet pipe is connected with an outlet pipe of the calcining furnace, and the hot gas outlet pipe is connected with an inlet pipe on the lower.
8. The flue gas desulfurization and dust removal device for the calcining furnace as claimed in claim 7, wherein an elbow is arranged on one side of the hot gas outlet pipe, the cross section of the elbow is n-shaped, and the upper end of the elbow is higher than the height of the spray liquid in the tower body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103627.5U CN214261237U (en) | 2021-01-14 | 2021-01-14 | Flue gas desulfurization and dust removal device for calcining furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103627.5U CN214261237U (en) | 2021-01-14 | 2021-01-14 | Flue gas desulfurization and dust removal device for calcining furnace |
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| CN214261237U true CN214261237U (en) | 2021-09-24 |
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| CN202120103627.5U Active CN214261237U (en) | 2021-01-14 | 2021-01-14 | Flue gas desulfurization and dust removal device for calcining furnace |
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| CN (1) | CN214261237U (en) |
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2021
- 2021-01-14 CN CN202120103627.5U patent/CN214261237U/en active Active
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