CN205730855U - A kind of power plant Special desulfurizing denitration device - Google Patents
A kind of power plant Special desulfurizing denitration device Download PDFInfo
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- CN205730855U CN205730855U CN201620381940.4U CN201620381940U CN205730855U CN 205730855 U CN205730855 U CN 205730855U CN 201620381940 U CN201620381940 U CN 201620381940U CN 205730855 U CN205730855 U CN 205730855U
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Abstract
A kind of power plant Special desulfurizing denitration device, including desulfurization mechanism and denitration mechanism, described desulfurization mechanism lower end thereof is connected with the smoke-intake pipe being passed through untreated flue gas, and top is connected with denitration mechanism by pipeline, and described pipeline is additionally provided with draft mechanism；Described denitration mechanism top is provided with the chimney of flue gas after discharge processes.Power plant described in the utility model Special desulfurizing denitration device, it is reasonable in design, easy to use, and its Central Plains cigarette initially enters in desulfurization mechanism, flue gas after desulfurization process is sent into denitration mechanism by draft mechanism again and is carried out denitration process, processes flue gas up to standard and is discharged.
Description
Technical field
This utility model belongs to gas handling techniques field, in particular it relates to a kind of power plant Special desulfurizing denitration device.
Background technology
At present, China, mainly based on thermal power generation, is mainly generated electricity by fire coal.The waste gas of coal-burning power plant is mainly derived from flue gas, pneumatic ash transmitting system intermediate exhaust and the dust-laden exhaust gas of coal yard generation that boiler combustion produces, and coal yard, raw coal are broken and the produced coal dust of coal conveying.Wherein, exhaust gas volumn and its contained pollutant discharge amount that boiler combustion produces are far longer than other waste gas, and the pollutant in the flue gas that boiler combustion produces have flying dust, SO2、NOx、CO、CO2, a small amount of fluoride and chloride.They shared ratios depend on the mineral composition in coal, and major pollutants are flying dust, coal dust, SO2And NOx。
Wherein, SO2And NOxAs the most important pollutant, can cause acid rain, acid rain can corrode building, especially corrosion of metal is mainly the corrosion to steel construction.Meanwhile, plant also producing acute hazard, blade surface produces ecthyma gangrenosa, and plant leaf is withered and yellow, pest and disease damage increases the weight of, or directly makes that plant leaf blade is withered to come off, and even kills vegetation.Additionally, acid rain also can make the crops significantly underproduction, particularly Semen Tritici aestivi, under Acid Rain Effect, can the underproduction 13% to 34%.Semen sojae atricolor, vegetable are also easily endangered by acid rain, cause protein content and yield to decline.
And, also human body is caused serious harm, children immune function can be made to decline, also eye and respiratory mucosa can there be is strong impulse effect, long-term impact also results in the multiple disease incidences such as upper respiratory tract infection, chronic bronchitis, emphysema to be increased, old man's eye, respiratory tract prevalence can be made to increase, serious harm human health simultaneously.
Therefore, the flue gas produced that burns for thermal power plant needs to carry out desulphurization denitration process thoroughly and just can discharge, in order to avoid environment and people are caused serious consequence.
Utility model content
Utility model purpose: the purpose of this utility model is to provide a kind of power plant Special desulfurizing denitration device, and this power plant's Special desulfurizing denitration device is simple and reasonable for structure, and easy to use, desulfurization off sulfide effect is good, and service life is long.
Technical scheme: this utility model provides a kind of power plant Special desulfurizing denitration device, including desulfurization mechanism and denitration mechanism, described desulfurization mechanism lower end thereof is connected with the smoke-intake pipe being passed through untreated flue gas, and top is connected with denitration mechanism by pipeline, and described pipeline is additionally provided with draft mechanism；Described denitration mechanism top is provided with the chimney of flue gas after discharge processes.Power plant described in the utility model Special desulfurizing denitration device, it is reasonable in design, easy to use, and its Central Plains cigarette initially enters in desulfurization mechanism, flue gas after desulfurization process is sent into denitration mechanism by draft mechanism again and is carried out denitration process, processes flue gas up to standard and is discharged.
Further, above-mentioned power plant's Special desulfurizing denitration device, in described desulfurization mechanism, middle part is provided with the desulfurization slurry spraying layer of one group of interlaced arrangement, and bottom is provided with desulfurization slurry pond, connected by pipeline between described desulfurization slurry pond and desulfurization slurry spraying layer, described pipeline is additionally provided with desulfurization liquid pump；Described desulfurization slurry pond and desulfurization slurry supplementary mechanism are connected by pipeline；Described desulfurization slurry pond is also arranged above smoke inlet, and described smoke inlet is connected with smoke-intake pipe, is additionally provided with dedusting mechanism at described smoke inlet.Flue gas enters first removing dust in desulfurization mechanism and processes, and can keep the spatter property of desulfurization slurry, maximized utilizes it desulphurizing activated, and desulfurization slurry is long for service life.Additionally, the sulfur-containing compound that spraying layer makes serosity become in droplet, and flue gas is fully contacted, desulfurized effect is good.Desulfurization slurry is recycled simultaneously, can facilitate the replacing of desulfurization slurry and supplement, making the utilization rate of desulfurization slurry improve, and application cost is low.Additionally, the pipeline that described desulfurization slurry pond and desulfurization slurry supplementary mechanism connect is provided with flow meter, can conveniently record the usage amount of desulfurization slurry, conveniently carry out cost calculation.And described desulfurization liquid pump is gas drive liquid pump, it is driven by air, can be explosion-proof, it is simple to install, maintenance cost is low and stable performance.
Further, above-mentioned power plant's Special desulfurizing denitration device, in described denitration mechanism, middle part is provided with the denitration grout spraying layer of one group of interlaced arrangement, bottom is provided with denitration grout pond, connected by pipeline between described denitration grout pond and denitration grout spraying layer, being additionally provided with denitration liquid pump on described pipeline, described denitration grout pond is also connected by pipeline with denitration grout supplementary mechanism.Wherein spraying layer make serosity become in droplet, and flue gas containing NOXBeing fully contacted, denitration effect is good.Denitration grout is recycled simultaneously, can facilitate the replacing of denitration grout and supplement, making the utilization rate of denitration grout improve, and application cost is low.Additionally, the pipeline that described denitration grout pond and denitration grout supplementary mechanism connect is provided with flow meter, can conveniently record the usage amount of denitration grout, conveniently carry out cost calculation.Described denitration liquid pump is gas drive liquid pump, and it is driven by air, can be explosion-proof, it is simple to install, maintenance cost is low and stable performance.
Further, above-mentioned power plant's Special desulfurizing denitration device, it is provided with a porous layer below described desulfurization slurry spraying layer and denitration grout spraying layer, described porous layer is provided with one group of equally distributed circular open.Porous alloy layer, can make air flow method uniform, and the desulphurization and denitration serosity under simultaneously spraying is flowed down by opening, is evenly distributed, and sulphur removal denitration effect is good.
Further, above-mentioned power plant's Special desulfurizing denitration device, it is additionally provided with ozone generating-device between described desulfurization slurry spraying layer and porous layer.Selective oxidation of sulfur containing compounds in particular can be coordinated desulfurization slurry by ozone, makes desulfurization more thorough, and desulfurized effect is good.Further, the product of ozone is oxygen, so it is the strong oxidizer of a kind of high-efficiency cleaning.
Further, above-mentioned power plant's Special desulfurizing denitration device, it is additionally provided with blower fan between described denitration grout spraying layer and porous layer, described blower fan is supercharging oxidation fan.Supercharging oxidation fan can persistently blast the air of oxidation, stable performance, and denitration can be made more thorough.
Further, above-mentioned power plant's Special desulfurizing denitration device, described denitration grout spraying layer is arranged over except mist layer.The drop that gas is carried secretly can be efficiently separated, to ensure having mass-transfer efficiency, it is to avoid the corrosion to device of the drop after process, the service life of extension fixture.
Further, above-mentioned power plant's Special desulfurizing denitration device, described except the lineup's font demister that is uniformly interspersed in mist layer.Herringbone demister contact area is big, except fog effect is good, detachably, it is simple to change, it is simple to safeguards, and saves place.
Further, above-mentioned power plant's Special desulfurizing denitration device, described dedusting mechanism is provided with electric cleaner.Electric cleaner good dedusting effect, it is possible to achieve dust removal integrated.
Further, above-mentioned power plant's Special desulfurizing denitration device, described desulfurization slurry spraying layer and denitration grout spraying layer are provided with 3-5 layer nozzle, described nozzle is the conical hollow finer atomization nozzle of carborundum.Spray angle is 45-90 degree, a diameter of 10 ~ 50 μm of atomizing particle, forms a centrifugal vortex, spray imperceptible open-core type droplet from spray orifice in guide vane, and atomizing effect is good and easy to use, and service life is long.
Technique scheme is it can be seen that this utility model has the advantages that power plant described in the utility model Special desulfurizing denitration device, and rational in infrastructure, easy to use, desulfurization off sulfide effect is good, and service life is long, has the highest promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation of power plant described in the utility model Special desulfurizing denitration device；
Fig. 2 is the structural representation of demister described in the utility model；
Fig. 3 is the structural representation of nozzle described in the utility model.
In figure: 1 desulfurization mechanism, 11 smoke-intake pipes, 12 desulfurization slurry spraying layers, 13 desulfurization slurry ponds, 14 desulfurization liquid pumps, 15 desulfurization slurries supplement, 16 dedusting mechanisms, 17 porous layers, 18 ozone generating-devices, 2 pipe denitration mechanisms, 21 chimneys, 22 denitration grout spraying layers, 23 denitration grout ponds, 24 denitration liquid pumps, 25 denitration grouts supplement, 26 except mist layer, 261 demisters, 27 porous layers, 28 blower fans, 3 draft mechanisms, 4 nozzles.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model.
Embodiment
Power plant's Special desulfurizing denitration device as shown in Figure 1, including desulfurization mechanism 1 and denitration mechanism 2, described desulfurization mechanism 1 lower end thereof is connected with the smoke-intake pipe 11 being passed through untreated flue gas, top is connected with denitration mechanism 2 by pipeline, it is additionally provided with draft mechanism 3 on described pipeline, and described denitration mechanism 2 top is provided with the chimney 21 of flue gas after discharge processes.
Wherein, in described desulfurization mechanism 1, middle part is provided with the desulfurization slurry spraying layer 12 of one group of interlaced arrangement, is provided with 3-5 layer nozzle 4 in described desulfurization slurry spraying layer 12, as it is shown on figure 3, the conical hollow finer atomization nozzle 4 that described nozzle 4 is carborundum.Being provided with a porous layer 17 below described desulfurization slurry spraying layer 12, described porous layer 17 is provided with one group of equally distributed circular open.Additionally, be additionally provided with ozone generating-device 18 between described desulfurization slurry spraying layer 12 and porous layer 17.It is provided with desulfurization slurry pond 13 bottom desulfurization mechanism 1, is connected by pipeline between described desulfurization slurry pond 13 and desulfurization slurry spraying layer 12, described pipeline is additionally provided with desulfurization liquid pump 14, and described desulfurization liquid pump 14 is gas drive liquid pump.Simultaneously, described desulfurization slurry pond 13 and desulfurization slurry supplementary mechanism 15 are connected by pipeline, and the pipeline that described desulfurization slurry pond 13 and desulfurization slurry supplementary mechanism 15 connect is provided with flow meter, can conveniently record the usage amount of denitration grout, conveniently carry out cost calculation.Described desulfurization slurry pond 13 is also arranged above smoke inlet, and described smoke inlet is connected with smoke-intake pipe 11, is additionally provided with in dedusting mechanism 16, and described dedusting mechanism 16 and is provided with electric cleaner at described smoke inlet.
Further, in described denitration mechanism 2, middle part is provided with the denitration grout spraying layer 22 of one group of interlaced arrangement, is provided with 3-5 layer nozzle 4 in described denitration grout spraying layer 22, as it is shown on figure 3, the conical hollow finer atomization nozzle 4 that described nozzle 4 is carborundum.Being provided with a porous layer 27 below described denitration grout spraying layer 22, described porous layer 27 is provided with one group of equally distributed circular open.Additionally, be additionally provided with blower fan 28 between described denitration grout spraying layer 22 and porous layer 27, and described blower fan 28 is supercharging oxidation fan 28.Meanwhile, described denitration grout spraying layer 22 is arranged over except mist layer 26, as in figure 2 it is shown, described except the lineup's font demister 261 that is uniformly interspersed in mist layer 26.Additionally, the bottom of denitration mechanism 2 is provided with denitration grout pond 23, connected by pipeline between described denitration grout pond 23 and denitration grout spraying layer 22, described pipeline is additionally provided with denitration liquid pump 24, and described denitration liquid pump 24 is gas drive liquid pump.And described denitration grout pond 23 is also connected by pipeline with denitration grout supplementary mechanism 25, the pipeline of described denitration grout pond 23 and denitration grout supplementary mechanism 25 connection is additionally provided with flow meter.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvement, these improvement also should be regarded as protection domain of the present utility model.
Claims (10)
1. power plant's Special desulfurizing denitration device, it is characterized in that: include desulfurization mechanism (1) and denitration mechanism (2), described desulfurization mechanism (1) lower end thereof is connected with the smoke-intake pipe (11) being passed through untreated flue gas, top is connected with denitration mechanism (2) by pipeline, and described pipeline is additionally provided with draft mechanism (3)；Described denitration mechanism (2) top is provided with the chimney (21) of flue gas after discharge processes.
Power plant the most according to claim 1 Special desulfurizing denitration device, it is characterized in that: in described desulfurization mechanism (1), middle part is provided with the desulfurization slurry spraying layer (12) of one group of interlaced arrangement, bottom is provided with desulfurization slurry pond (13), connected by pipeline between described desulfurization slurry pond (13) and desulfurization slurry spraying layer (12), described pipeline is additionally provided with desulfurization liquid pump (14)；Described desulfurization slurry pond (13) and desulfurization slurry supplementary mechanism (15) are connected by pipeline；Described desulfurization slurry pond (13) is also arranged above smoke inlet, and described smoke inlet is connected with smoke-intake pipe (11), is additionally provided with dedusting mechanism (16) at described smoke inlet.
Power plant the most according to claim 2 Special desulfurizing denitration device, it is characterized in that: in described denitration mechanism (2), middle part is provided with the denitration grout spraying layer (22) of one group of interlaced arrangement, bottom is provided with denitration grout pond (23), connected by pipeline between described denitration grout pond (23) and denitration grout spraying layer (22), being additionally provided with denitration liquid pump (24) on described pipeline, described denitration grout pond (23) is also connected by pipeline with denitration grout supplementary mechanism (25).
Power plant the most according to claim 3 Special desulfurizing denitration device, it is characterised in that: described desulfurization slurry spraying layer (12) and denitration grout spraying layer (22) lower section are provided with a porous layer (17；27), described porous layer (17；27) one group of equally distributed circular open it is provided with.
Power plant the most according to claim 4 Special desulfurizing denitration device, it is characterised in that: it is additionally provided with ozone generating-device (18) between described desulfurization slurry spraying layer (12) and porous layer (17).
Power plant the most according to claim 4 Special desulfurizing denitration device, it is characterised in that: being additionally provided with blower fan (28) between described denitration grout spraying layer (22) and porous layer (27), described blower fan (28) is supercharging oxidation fan (28).
Power plant the most according to claim 3 Special desulfurizing denitration device, it is characterised in that: described denitration grout spraying layer (22) is arranged over except mist layer (26).
Power plant the most according to claim 7 Special desulfurizing denitration device, it is characterised in that: described except lineup's font demister (261) that is uniformly interspersed in mist layer (26).
Power plant the most according to claim 2 Special desulfurizing denitration device, it is characterised in that: described dedusting mechanism is provided with electric cleaner in (16).
Power plant the most according to claim 3 Special desulfurizing denitration device, it is characterized in that: be provided with 3-5 layer nozzle (4) in described desulfurization slurry spraying layer (12) and denitration grout spraying layer (22), described nozzle (4) is conical hollow finer atomization nozzle (4) of carborundum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381940.4U CN205730855U (en) | 2016-04-29 | 2016-04-29 | A kind of power plant Special desulfurizing denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381940.4U CN205730855U (en) | 2016-04-29 | 2016-04-29 | A kind of power plant Special desulfurizing denitration device |
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| CN205730855U true CN205730855U (en) | 2016-11-30 |
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| CN201620381940.4U Active CN205730855U (en) | 2016-04-29 | 2016-04-29 | A kind of power plant Special desulfurizing denitration device |
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| CN (1) | CN205730855U (en) |
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