CN203425711U - Wet-process flue gas desulfurization tower - Google Patents
Wet-process flue gas desulfurization tower Download PDFInfo
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- CN203425711U CN203425711U CN201320437220.1U CN201320437220U CN203425711U CN 203425711 U CN203425711 U CN 203425711U CN 201320437220 U CN201320437220 U CN 201320437220U CN 203425711 U CN203425711 U CN 203425711U
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Abstract
The utility model provides a wet-process flue gas desulfurization tower which is used for relatively well solving the technical problems that the desulfurization effect is poor as an existing industrial kiln and an existing boiler flue gas spraying-washing type desulfurization tower are poor in serous fluid atomizing effect, the device operation is unreliable as a spray nozzle is easily blocked by impurities such as scaled fragments, and the water mist removing effect is not ideal after the flue gas washing desulfurization. The desulfurization efficiency and the operation reliability are improved by improving the atomizing effect of desulfurization serous fluid as well as improving a spray nozzle runner; the spray nozzle is improved, so that pressure requirements on desulfurization serous fluid are low, the spray nozzle blocking probability is lowered, and the sulfur dioxide removing rate is increased; the structure of the conventional rotational-flow dehydrator is improved, so that flue gas ascending rotational-flow diameter is increased, the dehydrating and mist-removing effects of washed flue gas are improved, and the corrosion and the dirt deposition to a downstream flue path and equipment are lowered. The wet-process flue gas desulfurization tower disclosed by the utility has the characteristics of being high in desulfurization efficiency, good in water mist removing effect, simple in structure, high in operation reliability, and the like, can effectively the relatively low investment and operation cost, and is suitable for a wet-process flue gas desulfurization process.
Description
Technical field
The utility model relates to a kind of middle device of desulphurization plant, specially refers to a kind of wet flue gas desulfurization tower.
Background technology
At present, the method of flue gas desulfurization has dry type flue gas desulfurizing technique, spraying dry type flue gas desulfurizing technique, flyash dry type flue gas desulfurizing technology, wet fuel gas desulfurizing technology etc., wet fuel gas desulfurizing technology flow process, form and mechanism as countries in the world are similar, are mainly to use lime stone (CaCO
3), quick lime (CaO) or sodium carbonate (Na
2cO
3) etc. slurries make washing agent, in reaction tower, flue gas is washed, thereby removes the SO in flue gas
2.This technique history of existing 50 years, through after Improvement and perfection constantly, technology comparative maturity, has desulfuration efficiency high (90%～98%), and unit capacity is large, and coal adaptability is strong, and the lower and byproduct of operating cost is the advantage such as recovery easily.Yet, in recent years along with the enhancing of environmental consciousness, the improving constantly of China's environmental standard, stricter standard has been carried out in the discharge of industrial furnace and boiler atmosphere pollution, existing flue gas desulfur device cannot reach new discharge standard, and desulfurization and dehydrating effect need further to be improved.
Aspect desulfurization, prior art generally adopts large Channels, and the atomizing effect of desulfurization slurry is poor, affects desulfurized effect; Or adopt high-pressure water mist nozzle, and require the pressure ratio of desulfurization slurry higher, owing to inevitably there are the foreign material such as fouling fragment in desulfurization slurry, nozzle is easily blocked, causes that desulfurizer fault rate is high, equipment operation is unreliable.
Aspect dehydration, prior art generally adopts the eddy flow dehydrator that is provided with collecting tank between desulfurizing tower tower body inwall and dehydrator cover cylinder to dewater, and is convenient to flue gas and forms after eddy flow and to be thrown to the collecting of the drop of tower wall, then dirty by overflow mechanism.In production application, because spiral board dehydrator is provided with collecting tank, the external diameter of dehydrator swirl vane is reduced, and causes the centrifugal force of the drop in flue gas being thrown to tower wall to reduce, and has reduced the efficiency that removes drop in flue gas.
Summary of the invention
The purpose of this utility model is existing Industrial Stoves and boiler smoke spray washing formula desulfurizing tower because cleaning solution atomizing effect is bad, cause that desulfurized effect is poor and nozzle easily stops up, the problem such as dehydrating effect is undesirable after flue gas washing desulphurization, a kind of cleaning solution atomizing effect and nozzle flow channel of improving is provided, improve conventional spiral board evaporator structure, increase flue gas eddy flow diameter, desulfuration efficiency is high, and spray nozzle clogging probability is low, the effective high effective desulphurization device of fume-dehydrating after washing.
This wet flue gas desulfurization tower is realized by following technical proposal: its structure is, the low pressure atomization nozzle that comprises the large flow passage structure of short double helix is characterized in that: the low pressure atomization nozzle of the large flow passage structure of described short double helix is comprised of nozzle cage and nozzle core, nozzle cage bottom forms and surrounds structure, Qie center has spray orifice, external pipe thread or Internal Pipe Thread are arranged at nozzle cage top, for the low pressure atomization nozzle of the large flow passage structure of short double helix and being connected of slurries supply pipe, nozzle core is double-spiral structure, and whirlpool chamber is arranged at nozzle bottom.
Further: the top of the low pressure atomization nozzle of the large flow passage structure of described short double helix is also provided with without collecting tank spiral board dehydrator, without collecting tank spiral board dehydrator, by covering cylinder, multi-disc swirl vane, blind plate, form, swirl vane is fixed between cover cylinder and blind plate, cover drum outer wall is pasting tower body inwall and is installing, and collecting tank is not set between tower body inwall.
Further: the low pressure atomization nozzle of the large flow passage structure of described short double helix is connected with slurries supply pipe, the operating pressure of slurries supply pipe is 0.1～0.3MPa, the interior diameter of described nozzle cage is Φ 40～Φ 100mm, the diameter of spray orifice is Φ 12～Φ 30mm, and the flow diameter of the low pressure atomization nozzle of the large flow passage structure of short double helix is Φ 10～Φ 35mm.
Further: the spray angle of the low pressure atomization nozzle of the large flow passage structure of described short double helix is 90 °～150 °, and form conical hollow spraying.
Further: the below of the low pressure atomization nozzle of the large flow passage structure of described short double helix is also provided with sieve tray.
Further: the low pressure atomization nozzle of the large flow passage structure of described short double helix can be set to the multilayer of individual layer or upper and lower relation, every layer of low pressure atomization nozzle by the large flow passage structure of a plurality of short double helix forms, and makes the conical hollow spraying of the low pressure atomization nozzle ejection of the large flow passage structure of short double helix can cover the cross section of whole tower body.
Further: described sieve tray can be set to single or multiple lift.
Advantage of the present utility model and beneficial effect are:
1. sieve tray is provided with micropore, make desulfurization fume by sieve tray and while covering the desulfurization slurry on sieve tray, can form more bubble, bubble breaks and evokes spray and water smoke, flue gas fully contacts with slurries, sulfur dioxide wherein can be desulfurized slurries and fully contact, absorbs, and forms the flue gas that rises more uniformly that distributes, and can reach good desulfurized effect.
2. by improving nozzle arrangements, adopt the low pressure atomization nozzle of the large flow passage structure of short double helix, there is no narrowed flow path, the foreign material such as fouling fragment that are difficult for being desulfurized in slurries stop up, reliable and stable work, the easy blocked technical problem of nozzle that has solved narrowed flow path, can effectively improve nozzle operation reliability, simultaneously, nozzle core respective outer side edges flow diameter, the interior diameter of nozzle hollow sleeve, injection diameter, slurries supply pipe liquid supply pressure also arranges whirlpool chamber and carries out converging of vortex flow, mist droplet particle size can be formed little, the liquid mist spray angle that is evenly distributed is the conical hollow spraying of 90 °～150 °, mist droplet particle size is little, liquid mist is evenly distributed, area coverage is wide, surface area and the tower section coverage rate of desulfurization slurry droplet have been increased, further promote the uniformity of rising smoke distribution, spraying layer scrubbing section gas-liquid contact is abundant, evenly, effectively avoid flue gas channelling phenomenon, can reach good desulfurized effect,
And, most critical: solved the larger technical problem for slurry pressure that existing large Channels is reaching same spray effect and needs, the utility model can reduce the outlet pressure of desulfurization slurry circulating pump, reduce the energy consumption of the prominent equipment of desulfurizing tower, the service efficiency that improves desulfurization slurry, the out of order probability of minimizing nozzle, reduce desulphurization cost; Nozzle arrangements and manufacturing process are simple, easy to manufacture, with low cost.
3. the utility model adopts without collecting tank spiral board dehydrator, the overall diameter of its swirl vane is larger than the blade overall diameter of the spiral board dehydrator with collecting tank, therefore flue gas rises greatlyr through the bumpy flow diameter forming without collecting tank spiral board dehydrator, and being about to drop in flue gas, to throw to the centrifugal force of tower wall larger.Utility model people show that the spiral board dehydrator of collecting tank can be higher than the drop separation rate arranging in prior art in flue gas by experiment, can reach better dehydrating effect.
The utility model has overcome technology prejudice, has overcome prior art and has adopted spiral board dehydrator, generally adopts the spiral board dehydrator with collecting tank, and thinking can be by liquid centralized collection when obtaining preferably de-liquid effect; Can effectively reduce the technology prejudice of the water content in purifying smoke.
The utility model reduces the corrosion of downstream line and equipment and dirt deposition, and has reduced collecting tank, has also solved the technical problem reducing production costs.
4. for certain specific desulfurizing tower, desulfurization slurry spraying total surface area is the key factor that affects desulfuration efficiency, and desulfuration efficiency increases along with the increase of the total surface area of spraying.Therefore, applied after the low pressure atomization nozzle of the large flow passage structure of this short double helix, increased the total surface of desulfurization slurry spray droplet, not only can make desulfuration efficiency greatly improve, also can not increase the required cost of desulfurization.The utility model simple in structure, with low cost, reliable, easily safeguard.
Accompanying drawing explanation
Fig. 1 is that the structure of the utility model embodiment forms schematic diagram.
Fig. 2 is the low pressure atomization nozzle structural representation of the utility model embodiment.
Fig. 3 is the nozzle core structure chart of the utility model embodiment.
Fig. 4 be the utility model embodiment without collecting tank spiral board evaporator structure schematic diagram.
Fig. 5 is the A-A cutaway view of Fig. 1.
Fig. 6 be the utility model embodiment without collecting tank spiral board evaporator structure schematic diagram.
Fig. 7 is the A-A cutaway view of the structure of the utility model embodiment.
Mark implication in accompanying drawing is as follows:
1 is tower body, and 2 is smoke inlet, and 3 is sieve tray, 4 is the low pressure atomization nozzle of the large flow passage structure of short double helix, and 4a is nozzle cage, and 4b is nozzle core, 4c is whirlpool chamber, 4d is runner, and 4e is spray orifice, and 5 is without collecting tank spiral board dehydrator, 5a is cover cylinder, 5b is swirl vane, and 5c is blind plate, 6 be exhanst gas outlet, 7 for slurries supply pipe, 8 for slurries supplies valve, 9 for slurries discharge pipe, 10 be slurries discharge valve.
The specific embodiment
Below in conjunction with drawings and Examples, utility model is described further.
Embodiment mono-
Sulfur-containing smoke gas enters from the smoke inlet 2 of tower body 1 bottom, rise and through one deck, have the bubble desulfurization zone of sieve tray 3 formations that are provided with a plurality of micropores, meet with the liquid film of the desulfurization slurry of being made by Na2CO3 on 3 of sieve trays, form a large amount of bubbles, bubble breaks and evokes water droplet, spray, water smoke etc., flue gas can fully be contacted with slurries, and in flue gas, a part of sulfur dioxide is desulfurized slurries absorption.Flue gas continues to rise through liquid mist desulfurization zone, slurries supply pipe 7 is transported to desulfurization slurry the low pressure atomization nozzle 4 of the large flow passage structure of a plurality of short double helix, and spray desulfurization slurry downwards, the low pressure atomization nozzle 4 of the large flow passage structure of short double helix is comprised of nozzle cage 4a and nozzle core 4b, the bottom of nozzle cage 4a forms and surrounds structure, Qie center has spray orifice 4e, and there are external pipe thread or Internal Pipe Thread in nozzle cage 4a top for being connected with desulfurization slurry pipe 7.Nozzle core 4b is short double-spiral structure, and whirlpool chamber 4c is arranged at nozzle bottom.The interior diameter of nozzle hollow sleeve is Φ 40mm, when desulfurization slurry pipe 7 be take operating pressure that pressure is 0.3MPa by after desulfurization slurry input nozzle, desulfurization slurry is along short double helix, diameter is that the runner 4d of Φ 10mm rotates around axle center, at whirlpool chamber 4c, converge and form one eddy-currents, the spray orifice 4e that is Φ 12mm from diameter ejects with whirlpool shape, formation mist droplet particle size is little, be evenly distributed, spray angle is the conical hollow spraying of 150 °, flue gas can be sprayed fully with desulfurization slurry, even contact, in flue gas, residual sulfur dioxide is desulfurized fully absorption of slurries spraying, flue gas obtains high efficiency washing, the desulfurization slurry spraying of ejection is uniformly distributed, and cover the cross section of whole tower body 1.
Flue gas after the desulfurization of sieve tray liquid film, the desulfurization of spraying area liquid mist is entrained with a large amount of drops, and is rich in moisture, and these flue gases rise process without collecting tank spiral board dehydrator 5.Without collecting tank spiral board dehydrator 5, by cover cylinder 5a, swirl vane 5b, blind plate 5c, formed, swirl vane 5b is fixed between cover cylinder 5a and blind plate 5c, cover cylinder 5a outer wall is pasting tower body 1 inwall and is installing, and between tower body 1 inwall, collecting tank is not set, and cover cylinder 5a overall diameter equals the interior diameter of tower body 1.Flue gas rises by forming swirling air stream after swirl vane 5b, effect due to centrifugal force, the drop that drop in flue gas is thrown tower body 1 inwall falls along inwall after assembling, cover cylinder 5a and the swirl vane 5b of dehydrator flow through, flow into the bottom of tower body 1 downwards, the flue gas removing after drop rises and tangentially discharges from top, thereby the drop in flue gas is separated from the gas, and by flue gas from exporting 6 discharges, then lead to upstream device.
Embodiment bis-
Sulfur-containing smoke gas enters from the smoke inlet 2 of tower body 1 bottom, the bubble desulfurization zone of rising and having through two-layer sieve tray 3 formations that are provided with a plurality of micropores, meet with the liquid film of the desulfurization slurry of being made by NaOH on 3 of sieve trays, form a large amount of bubbles, bubble breaks and evokes water droplet, spray, water smoke etc., flue gas can fully be contacted with slurries, and in flue gas, a part of sulfur dioxide is desulfurized slurries absorption.Flue gas continues to rise through liquid mist desulfurization zone, slurries supply pipe 7 is transported to desulfurization slurry the low pressure atomization nozzle 4 of the large flow passage structure of a plurality of short double helix, and spray desulfurization slurry downwards, the low pressure atomization nozzle 4 of the large flow passage structure of short double helix is comprised of nozzle cage 4a and nozzle core 4b, the bottom of nozzle cage 4a forms and surrounds structure, Qie center has spray orifice 4e, and there are external pipe thread or Internal Pipe Thread in nozzle cage 4a top for being connected with desulfurization slurry pipe 7.Nozzle core 4b is short double-spiral structure, and whirlpool chamber 4c is arranged at nozzle bottom.The interior diameter of nozzle hollow sleeve is Φ 100mm, when desulfurization slurry pipe 7 be take operating pressure that pressure is 0.1MPa by after desulfurization slurry input nozzle, desulfurization slurry is along short double helix, diameter is that the runner 4d of Φ 35mm rotates around axle center, at whirlpool chamber 4c, converge and form one eddy-currents, from diameter, be that Φ 30mm spray orifice 4e ejects with whirlpool shape, formation mist droplet particle size is little, be evenly distributed, spray angle is the conical hollow spraying of 90 °, flue gas can be sprayed fully with desulfurization slurry, even contact, in flue gas, residual sulfur dioxide is desulfurized fully absorption of slurries spraying, flue gas obtains high efficiency washing, the desulfurization slurry spraying of ejection is uniformly distributed, and cover the cross section of whole tower body 1.
After above-mentioned steps, flue gas covers the liquid mist desulfurized step of whole tower body 1 cross section again by the low pressure atomization nozzle 4 of the desulfurization of a sieve tray liquid film and the large flow passage structure of a plurality of short double helix.
Flue gas after the desulfurization of sieve tray liquid film, the desulfurization of spraying area liquid mist is entrained with a large amount of drops, and is rich in moisture, and these flue gases rise process without collecting tank spiral board dehydrator 5.Without collecting tank spiral board dehydrator 5, by cover cylinder 5a, swirl vane 5b, blind plate 5c, formed, swirl vane 5b is fixed between cover cylinder 5a and blind plate 5c, cover cylinder 5a outer wall is pasting tower body 1 inwall and is installing, and between tower body 1 inwall, collecting tank is not set, and cover cylinder 5a overall diameter equals the interior diameter of tower body 1.Flue gas rises by forming swirling air stream after swirl vane 5b, effect due to centrifugal force, the drop that drop in flue gas is thrown tower body 1 inwall falls along inwall after assembling, cover cylinder 5a and the swirl vane 5b of dehydrator flow through, flow into the bottom of tower body 1 downwards, the flue gas removing after drop rises and tangentially discharges from top, thereby the drop in flue gas is separated from the gas, and by flue gas from exporting 6 discharges, then lead to upstream device.
Embodiment tri-
Sulfur-containing smoke gas enters from the smoke inlet 2 of tower body 1 bottom, rise and through one deck, have the bubble desulfurization zone of sieve tray 3 formations that are provided with a plurality of micropores, meet with the liquid film of the desulfurization slurry of being made by calcium aqueous slkali on 3 of sieve trays, form a large amount of bubbles, bubble breaks and evokes water droplet, spray, water smoke etc., flue gas can fully be contacted with slurries, and in flue gas, a part of sulfur dioxide is desulfurized slurries absorption.Flue gas continues to rise through liquid mist desulfurization zone, slurries supply pipe 7 is transported to desulfurization slurry the low pressure atomization nozzle 4 of the large flow passage structure of a plurality of short double helix, and spray desulfurization slurry downwards, the low pressure atomization nozzle 4 of the large flow passage structure of short double helix is comprised of nozzle cage 4a and nozzle core 4b, the bottom of nozzle cage 4a forms and surrounds structure, Qie center has spray orifice 4e, and there are external pipe thread or Internal Pipe Thread in nozzle cage 4a top for being connected with desulfurization slurry pipe 7.Nozzle core 4b is short double-spiral structure, and whirlpool chamber 4c is arranged at nozzle bottom.The interior diameter of nozzle hollow sleeve is Φ 60mm, when desulfurization slurry pipe 7 be take operating pressure that pressure is 0.3MPa by after desulfurization slurry input nozzle, desulfurization slurry is along short double helix, diameter is that the runner 4d of Φ 20mm rotates around axle center, at whirlpool chamber 4c, converge and form one eddy-currents, from diameter, be that Φ 20mm spray orifice 4e ejects with whirlpool shape, formation mist droplet particle size is little, be evenly distributed, spray angle is the conical hollow spraying of 135 °, flue gas can be sprayed fully with desulfurization slurry, even contact, in flue gas, residual sulfur dioxide is desulfurized fully absorption of slurries spraying, flue gas obtains high efficiency washing, the desulfurization slurry spraying of ejection is uniformly distributed, and cover the cross section of whole tower body 1.
After above-mentioned steps, flue gas covers the liquid mist desulfurized step of whole tower body 1 cross section again by the low pressure atomization nozzle 4 of two sublevel sieve tray liquid film desulfurization and the large flow passage structure of a plurality of short double helix.
Flue gas after the desulfurization of sieve tray liquid film, the desulfurization of spraying area liquid mist is entrained with a large amount of drops, and is rich in moisture, and these flue gases rise process without collecting tank spiral board dehydrator 5.Without collecting tank spiral board dehydrator 5, by cover cylinder 5a, swirl vane 5b, blind plate 5c, formed, swirl vane 5b is fixed between cover cylinder 5a and blind plate 5c, cover cylinder 5a outer wall is pasting tower body 1 inwall and is installing, and between tower body 1 inwall, collecting tank is not set, and cover cylinder 5a overall diameter equals the interior diameter of tower body 1.Flue gas rises by forming swirling air stream after swirl vane 5b, effect due to centrifugal force, the drop that drop in flue gas is thrown tower body 1 inwall falls along inwall after assembling, cover cylinder 5a and the swirl vane 5b of dehydrator flow through, flow into the bottom of tower body 1 downwards, the flue gas removing after drop rises and tangentially discharges from top, thereby the drop in flue gas is separated from the gas, and by flue gas from exporting 6 discharges, then lead to upstream device.
Embodiment tetra-
Sulfur-containing smoke gas enters from the smoke inlet 2 of tower body 1 bottom, rise and through one deck, have the bubble desulfurization zone of sieve tray 3 formations that are provided with a plurality of micropores, meet with the liquid film of the desulfurization slurry of being made by soda solution on 3 of sieve trays, form a large amount of bubbles, bubble breaks and evokes water droplet, spray, water smoke etc., flue gas can fully be contacted with slurries, and in flue gas, a part of sulfur dioxide is desulfurized slurries absorption.Flue gas continues to rise through liquid mist desulfurization zone, slurries supply pipe 7 is transported to desulfurization slurry the low pressure atomization nozzle 4 of the large flow passage structure of a plurality of short double helix, and spray desulfurization slurry downwards, the low pressure atomization nozzle 4 of the large flow passage structure of short double helix is comprised of nozzle cage 4a and nozzle core 4b, the bottom of nozzle cage 4a forms and surrounds structure, Qie center has spray orifice 4e, and there are external pipe thread or Internal Pipe Thread in nozzle cage 4a top for being connected with desulfurization slurry pipe 7.Nozzle core 4b is short double-spiral structure, and whirlpool chamber 4c is arranged at nozzle bottom.The interior diameter of nozzle hollow sleeve is Φ 90mm, when desulfurization slurry pipe 7 be take operating pressure that pressure is 0.2MPa by after desulfurization slurry input nozzle, desulfurization slurry is along short double helix, diameter is that the runner 4d of Φ 25mm rotates around axle center, at whirlpool chamber 4c, converge and form one eddy-currents, the spray orifice 4e that is Φ 25mm from diameter ejects with whirlpool shape, formation mist droplet particle size is little, be evenly distributed, spray angle is the conical hollow spraying of 115 °, flue gas can be sprayed fully with desulfurization slurry, even contact, in flue gas, residual sulfur dioxide is desulfurized fully absorption of slurries spraying, flue gas obtains high efficiency washing, the desulfurization slurry spraying of ejection is uniformly distributed, and cover the cross section of whole tower body 1.
Flue gas after the desulfurization of sieve tray liquid film, the desulfurization of spraying area liquid mist is entrained with a large amount of drops, and is rich in moisture, and these flue gases rise process without collecting tank spiral board dehydrator 5.Without collecting tank spiral board dehydrator 5, by cover cylinder 5a, swirl vane 5b, blind plate 5c, formed, swirl vane 5b is fixed between cover cylinder 5a and blind plate 5c, cover cylinder 5a outer wall is pasting tower body 1 inwall and is installing, and between tower body 1 inwall, collecting tank is not set, and cover cylinder 5a overall diameter equals the interior diameter of tower body 1.Flue gas rises by forming swirling air stream after swirl vane 5b, effect due to centrifugal force, the drop that drop in flue gas is thrown tower body 1 inwall falls along inwall after assembling, cover cylinder 5a and the swirl vane 5b of dehydrator flow through, flow into the bottom of tower body 1 downwards, the flue gas removing after drop rises and tangentially discharges from top, thereby the drop in flue gas is separated from the gas, and by flue gas from exporting 6 discharges, then lead to upstream device.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a wet flue gas desulfurization tower, comprise tower body (1), it is characterized in that: the low pressure atomization nozzle (4) that adopts the large flow passage structure of short double helix, comprise nozzle cage (4a) and nozzle core (4b), nozzle cage (4a) bottom forms and surrounds structure, Qie center has spray orifice (4e), external pipe thread or Internal Pipe Thread are arranged at nozzle cage (4a) top, for the low pressure atomization nozzle (4) of the large flow passage structure of short double helix and being connected of slurries supply pipe (7), nozzle core (4b) is double-spiral structure, and whirlpool chamber (4c) is arranged at nozzle cage (4a) bottom.
2. wet flue gas desulfurization tower according to claim 1, it is characterized in that: the top of the low pressure atomization nozzle (4) of the large flow passage structure of described short double helix is also provided with without collecting tank spiral board dehydrator (5), without collecting tank spiral board dehydrator (5), by cover cylinder (5a), multi-disc swirl vane (5b), blind plate (5c), formed, swirl vane (5b) is fixed between cover cylinder (5a) and blind plate (5c), cover cylinder (5a) outer wall is pasting tower body (1) inwall and is installing, and between tower body (1) inwall, collecting tank is not set.
3. according to the wet flue gas desulfurization tower described in claim 1 or 2 any one claims, it is characterized in that: the operating pressure of described slurries supply pipe (7) is 0.1～0.3MPa, the interior diameter of described nozzle cage (4a) is Φ 40～Φ 100mm, the diameter of spray orifice (4e) is Φ 12～Φ 30mm, and runner (4d) diameter of the low pressure atomization nozzle of the large flow passage structure of short double helix is Φ 10～Φ 35mm.
4. wet flue gas desulfurization tower according to claim 3, is characterized in that: the spray angle of the low pressure atomization nozzle (4) of the large flow passage structure of described short double helix is 90 °～150 °, and forms conical hollow spraying.
5. according to the wet flue gas desulfurization tower described in claim 1 or 2 any one claims, it is characterized in that: the below of the low pressure atomization nozzle (4) of the large flow passage structure of described short double helix is also provided with sieve tray (2).
6. wet flue gas desulfurization tower according to claim 5, it is characterized in that: the low pressure atomization nozzle (4) of the large flow passage structure of described short double helix can be set to the multilayer of individual layer or upper and lower relation, every layer of low pressure atomization nozzle by the large flow passage structure of a plurality of short double helix (4) forms, and makes the conical hollow spraying of low pressure atomization nozzle (4) ejection of the large flow passage structure of short double helix can cover the cross section of whole tower body (1).
7. wet flue gas desulfurization tower according to claim 5, is characterized in that: described sieve tray (2) can be set to single or multiple lift.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320437220.1U CN203425711U (en) | 2013-07-23 | 2013-07-23 | Wet-process flue gas desulfurization tower |
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| CN201320437220.1U CN203425711U (en) | 2013-07-23 | 2013-07-23 | Wet-process flue gas desulfurization tower |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357264A (en) * | 2013-07-23 | 2013-10-23 | 南宁职业技术学院 | Wet-process flue gas desulfurization tower |
| CN104307282A (en) * | 2014-09-12 | 2015-01-28 | 国家海洋局第三海洋研究所 | Device and method for synergic wet method flue gas desulphurization and fine grain removal |
| CN106139874A (en) * | 2016-08-23 | 2016-11-23 | 杭州玺清环保科技有限公司 | A kind of eddy effusion atomising device |
| CN107308805A (en) * | 2017-08-14 | 2017-11-03 | 山东天力节能环保工程有限公司 | Desulfurizing tower demister and desulfation dust-extraction device |
| CN109290076A (en) * | 2017-07-24 | 2019-02-01 | 江苏蓝可斯环保科技有限公司 | A kind of swirling flow atomizing combining nozzle for flue gas desulfurization |
| CN109954475A (en) * | 2017-12-25 | 2019-07-02 | 中核建中核燃料元件有限公司 | A kind of dry process UO2Nozzle during powder technology |
| CN112275085A (en) * | 2020-11-05 | 2021-01-29 | 北京清新环境技术股份有限公司 | Flue gas condensation water-collecting device and system installed in desulfurization absorption tower |
| CN113680547A (en) * | 2021-08-31 | 2021-11-23 | 西安交通大学 | Atomizing head core structure for reactor voltage stabilizer |
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2013
- 2013-07-23 CN CN201320437220.1U patent/CN203425711U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357264A (en) * | 2013-07-23 | 2013-10-23 | 南宁职业技术学院 | Wet-process flue gas desulfurization tower |
| CN103357264B (en) * | 2013-07-23 | 2015-12-09 | 南宁职业技术学院 | A kind of wet flue gas desulfurization tower |
| CN104307282A (en) * | 2014-09-12 | 2015-01-28 | 国家海洋局第三海洋研究所 | Device and method for synergic wet method flue gas desulphurization and fine grain removal |
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| CN109954475A (en) * | 2017-12-25 | 2019-07-02 | 中核建中核燃料元件有限公司 | A kind of dry process UO2Nozzle during powder technology |
| CN112275085A (en) * | 2020-11-05 | 2021-01-29 | 北京清新环境技术股份有限公司 | Flue gas condensation water-collecting device and system installed in desulfurization absorption tower |
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