CN209451616U - Dry method desulfuration system - Google Patents
Dry method desulfuration system Download PDFInfo
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- CN209451616U CN209451616U CN201822254344.1U CN201822254344U CN209451616U CN 209451616 U CN209451616 U CN 209451616U CN 201822254344 U CN201822254344 U CN 201822254344U CN 209451616 U CN209451616 U CN 209451616U
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Abstract
This application discloses a kind of dry method desulfuration systems, are related to technical field of desulfurization.The front end of chimney is arranged in dry method desulfuration system, the flue gas desulfurization, denitration and dedusting for generating for burning, comprising: sequence connected storage device, drawing-in device, grinding device, injection apparatus, reactor and dust-extraction unit.Storage device is for storing material.Drawing-in device is for giving grinding device feeding.Grinding device is at superfines and exporting the crushing material that drawing-in device exports.Injection apparatus, which is used to the superfines that grinding device exports mixing acceleration with compressed air, uniformly spurts into reactor.Reactor is used to receive the flue gas of burning generation, the sulfur dioxide in superfines and flue gas that injection apparatus sprays sufficiently is reacted, to remove the sulfur dioxide in flue gas.Dust-extraction unit is used to remove the dust in flue gas after desulfurization, and flue gas up to standard is exported to chimney.The application has initial investment small, and operating cost is low, conducive to the advantage of environmental protection.
Description
Technical field
This application involves technical field of desulfurization, more particularly to a kind of dry method desulfuration system.
Background technique
With the development of industry and the improvement of people's living standards, the craving of the energy is also continuously increased, in coal-fired flue-gas
SO2 the main reason for having become atmosphere pollution.It reduces SO2 pollution and has become the task of top priority that current atmospheric environment is administered.
Many flue gas desulfurization techniques are widely applied in the industry, also have to the improvement of all kinds of boilers and tail gas from incinerator important
Realistic meaning.
Currently, flue gas desulfurization mostly uses same wet desulphurization.Wet desulfurization system is located at before the end of flue, deduster,
The reaction temperature of sweetening process is lower than dew point, so the flue gas after desulfurization, which needs to reheat, to be discharged, therefore needs additional consumption
Electric energy.Since wet desulphurization is gas liquid reaction, not only Mao Baiyan in reaction process, there are atmosphere polluting problems, and after reacting
There is also waste water handling problems, and processing, which is not thorough, can also bring water pollution problems.Therefore, that there are initial costs is big for wet desulphurization, fortune
The costly problem of row.
Utility model content
Aiming to overcome that the above problem or at least being partially solved or extenuate for the application solves the above problems.
This application provides a kind of dry method desulfuration systems, and the front end of chimney is arranged in, and the flue gas for generating for burning is de-
Sulphur, comprising: connected by pipeline
Storage device, for storing material；
Drawing-in device is connected with the storage device, for quantitative feeding；
Grinding device is connected with the drawing-in device, and the crushing material for feeding the drawing-in device is at superfine powder
End, and export；
Injection apparatus is connected with the grinding device, and the superfines for exporting the grinding device and compression are empty
Gas mixing accelerates uniformly to spurt into reactor；
Reactor is connected with the injection apparatus, the flue gas generated for receiving burning, and for providing reacting environment,
It is sufficiently reacted with the sulfur dioxide in the superfines and flue gas of spraying the injection apparatus, to remove the titanium dioxide in flue gas
Sulphur；With
Dust-extraction unit is connected with the reactor and the chimney respectively, for removing the dust in flue gas after desulfurization, and
Flue gas up to standard is exported to the chimney.
Optionally, the storage device includes:
Unloading unit for the material in tank car to be unloaded, and conveys material；With
Raw material cabin is connected, for storing material with the unloading unit；
Wherein, it is equipped with the breather filter of raw material cabin at the raw material cabin, ventilates and is collected in gas for raw material cabin
The bottom of dust, the raw material cabin is equipped with corresponding vibration blanking device and heating device, for shaking material, and prevents material plate
Knot.
Optionally, the storage device includes:
Ton packet hanger, for hanging the ton packet of dress material；With
Blanking funnel, it is corresponding with the open end of the ton packet positioned at the lower section of the ton packet hanger, for funnel side
Formula discharging.
Optionally, the drawing-in device includes:
Slide valve is mounted at the storage device, for controlling opening or closing for the storage device
Screw conveyor is connected with the storage device, for exporting the material in the storage device；
Buffering chamber is connected with the screw conveyor, for caching the material of the storage device output；With
The spiral weighing balance of buffering chamber, is connected with the buffering chamber, and for quantitatively exporting the material of caching, output quantity can
It is adjusted.
Optionally, the grinding device includes:
Grinding machine is connected with the drawing-in device, and the crushing material for feeding the drawing-in device is at superfines；With
The blower of grinding machine is connected with the grinding machine, will in such a way that wind is sent for conveying compressed air into the grinding machine
Superfines carries output.
Optionally, the injection apparatus includes:
The reactor is protruded into spray gun, one end, and inserting end has spray head, for spraying superfine powder into the reactor
End is equipped with superfines entrance and gas access, the superfines entrance and the powder in the spray gun at the front end of spray head
Mill apparatus is connected, to convey superfines into the spray gun；With
The blower of injection apparatus is connected with the gas access of the spray gun, for conveying compressed air into the spray gun,
The superfines in the spray gun uniformly to be sprayed.
Optionally, the dust-extraction unit includes:
Dedusting fan is connected with the reactor, for exporting the flue gas after desulfurization in the reactor；
Deduster is connected with the dedusting fan, for removing the dust in flue gas after desulfurization；With
Air-introduced machine is connected with the deduster, for flue gas up to standard to be delivered to the chimney.
Optionally, the dry method desulfuration system further includes metering buffer storage, is arranged in the output of the grinding device
It holds and is located at before the injection apparatus, for measuring the superfines of the output of the grinding device and being accelerated output.
Optionally, the metering buffer storage includes:
Fine powder bin is connected with the grinding device, for storing the superfines of the grinding device output；
The spiral weighing balance for measuring buffer storage, is connected with the fine powder bin, for quantitatively exporting the superfines of storage,
Its output quantity can be adjusted；
Surge hopper is connected with the spiral weighing balance of the metering buffer storage, and surge hopper top is furnished with level-sensing device, material
Count the material position for monitoring surge hopper in position, it is ensured that surge hopper conical section is full of material, so that the surge hopper plays lock
Wind effect, avoids the compressed air blowback in accelerator from entering the device on the surge hopper and top；
Accelerator has superfines entrance and gas access, and the superfines entrance is connected with the surge hopper,
For conveying superfines into the accelerator；With
The blower for measuring buffer storage, is connected, for conveying into the accelerator with the gas access of the accelerator
Compressed air；
Wherein, the fine powder bin is equipped with the breather filter of fine powder bin, described for ventilating and collecting the dust in gas
The bottom of fine powder bin is equipped with corresponding vibration blanking device and slide valve, and the vibration blanking device is for shaking material, the flashboard
Valve is for controlling opening or closing for the fine powder bin；The accelerator is configured to send mode by the superfines in it by wind
Accelerate output, the accelerator is pipeline, correspond in the accelerator pipeline flowing of the blower for measuring buffer storage at
Become smaller diameter by major diameter, the pipeline flowing of the superfines is corresponded in the accelerator and is become larger again diameter at by the major diameter diameter that becomes smaller.
Optionally, the quantity of the reactor is multiple, and each reactor configurations have corresponding injection apparatus, metering caching
Spiral weighing balance, surge hopper, accelerator and the blower for measuring buffer storage of device；
The dry method desulfuration system includes distributor, is arranged in after the slide valve of fine powder bin and caches dress with corresponding metering
Between the spiral weighing balance set, for superfines uniformly to be distributed to corresponding reactor, the distributor is also used to keep away
It is hardened to exempt from material；
The distributor includes:
Shell, end face is equipped with the first feed opening thereon, for passing through superfines, is equipped under multiple second at lower end surface
Material mouth, the multiple second feed opening is uniformly distributed along the center of the shell, and every one second feed opening is used to super by what is divided equally
Fine powder；
Discharge tray is turned round, is mounted at the lower end surface of the shell, which is provided with corresponding with the multiple second feed opening
Multiple third feed openings；
Setting gauge is mounted on the center of the revolution discharge tray, can rotate relative to the revolution discharge tray, with center
Axis and three rod for stiring materials for being mounted on central axis, described three rod for stiring materials are uniformly distributed along the center of the central axis, each material toggling
The non-arc-shaped of bar is used for uniform material toggling；With
Coil motor is turned round, is fixedly connected with the central axis, for providing rotary power for the central axis；
Wherein, revolution coil motor rotation drives central axis rotation, drives three rod for stiring materials rotation, and then will be into
The superfines for entering the shell is evenly distributed, and the superfines evenly distributed is via corresponding third feed opening to second
Feed opening is exported to the spiral weighing balance of corresponding metering buffer storage.
The dry method desulfuration system of the application, by the way that material (desulfurizing agent) is ground into superfines, such as sodium base or calcium base
Superfines is uniformly ejected into reactor by injection apparatus, filled with the flue gas in reactor by the superfines of desulfurizing agent
Divide mixing to react, removes the SO2 in flue gas.The sulfate of generation can be collected by filtration by the deduster of rear end, and collection is got off
Sulfate can be used as cement raw material, it can be achieved that desulfurization final product recycling.The entire sweetening process of the application is without white cigarette
It generates, because atmosphere polluting problem may be not present.And liquid waste processing problem is not present in dry desulfurization, on the one hand saves at waste liquid
On the other hand reason expense also avoids the improper bring water pollution problems of liquid waste processing.Therefore, it is thrown using the application with initial stage
Provide small, operating cost is low, conducive to the advantage of environmental protection.
According to the accompanying drawings to the detailed description of the specific embodiment of the application, those skilled in the art will be more
Above-mentioned and other purposes, the advantages and features of the application are illustrated.
Detailed description of the invention
Some specific embodiments of the application are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram according to the dry method desulfuration system of the application one embodiment；
Fig. 2 is the schematic diagram of accelerator shown in Fig. 1；
Fig. 3 is the schematic diagram according to the dry method desulfuration system of the application another embodiment；
Fig. 4 is the schematic diagram according to the dry method desulfuration system of the application another embodiment；
Fig. 5 is the schematic diagram of distributor shown in Fig. 4；
Fig. 6 is the schematic diagram of revolution discharge tray shown in Fig. 5.
Each symbol indicates that meaning is as follows in figure:
1 ton of packet, 2 chimneys,
100 dry method desulfuration systems,
10 storage devices,
11 unloading unit, 11,12 raw material cabin, the breather filter of 13 raw material cabins, the vibration blanking device of 14 raw material cabins, 15 tons
Packet hanger, 16 blanking funnels,
20 drawing-in devices,
21 buffering chambers, the spiral weighing balance of 22 buffering chambers, 23 screw conveyors, 24 slide valves,
30 grinding devices,
31 grinding machines, the blower of 32 grinding machines,
40 injection apparatus,
41 spray guns, the blower of 42 injection apparatus,
50 reactors,
60 dust-extraction units,
61 dedusting fans, 62 dedusters, 63 air-introduced machines,
70 metering buffer storages,
71 fine powder bins, the spiral weighing balance of 72 metering buffer storages, 73 surge hoppers, 74 accelerators, the pipe of 741 blowers
Road, the pipeline of 742 superfines, the blower of 75 metering buffer storages, the breather filter of 76 fine powder bins, the vibration of 77 fine powder bins
Blanking device, the slide valve of 78 fine powder bins；
80 distributors, 81 shells, 82 first feed openings, 83 second feed openings, 84 revolution discharge trays, 85 third feed openings,
86 setting gauges, 87 central axises, 88 rod for stiring materials, 89 revolution coil motors,
M indicates that motor, LS indicate that level-sensing device, PT indicate that pressure gauge, PI indicate that pressure transmitter, TI indicate thermometer, TE
Indicate temperature transmitter.
Specific embodiment
Fig. 1 is the schematic diagram according to the dry method desulfuration system of the application one embodiment.Fig. 2 is added shown in Fig. 1
The schematic diagram of fast device.As shown in Figure 1, the front end of chimney is arranged in a kind of dry method desulfuration system 100, for producing for burning
Raw flue gas desulfurization simultaneously dedusting, generality may include: storage device 10, drawing-in device 20, grinding device 30, injection apparatus
40, reactor 50 and dust-extraction unit 60.Storage device 10 is for storing material.Drawing-in device 20 and 10 phase of storage device
Even, for quantifying feeding to grinding device 30.Grinding device 30 is connected with the drawing-in device 20, is used for the drawing-in device
The crushing material of 20 feedings is exported at superfines.Injection apparatus 40 is connected with the grinding device 30, is used for the powder
The superfines that mill apparatus 30 exports mixes acceleration with compressed air and uniformly spurts into reactor 50.Reactor 50 and the spray
Injection device 40 is connected, the flue gas generated for receiving burning, and for providing reacting environment, the injection apparatus 40 is sprayed
Superfines and flue gas in sulfur dioxide sufficiently react, to remove the sulfur dioxide in flue gas.Dust-extraction unit 60 respectively with
The reactor 50 and the chimney are connected, and export for removing the dust in flue gas after desulfurization, and by flue gas up to standard to described
Chimney.
More specifically, the dry method desulfuration system 100 of the present embodiment uses the desulfurization of sodium method.Material is sodium base desulfurizer.Sodium base
Desulfurizing agent is ground to graininess superfines by storage device 10 and drawing-in device 20 to grinding device 30.Superfines passes through spray
Injection device 40 is uniformly ejected into reactor 50, is sufficiently mixed with flue gas in reactor 50, in the suitable same cigarette of temperature window
First step desulfurization work is completed in SO2 gas reaction in gas.It, can be in place to cigarette to further increase reaction efficiency
Feed channel is humidified, and provides the activity of desulfurizing agent in flue gas, further with SO2 gas reaction, improves desulfuration efficiency.The method is removed
It can be used for outside desulfurization, can be used for de- HCL, the sour gas such as CL2, H2S.It is widely used in steel mill, power plant, chemical plant, water
Ni Chang glass factory, waste incineration, coke-oven plant and SCR denitration system flue gas pre-treatment.
More specifically, the present embodiment briefly introduces cement plant sodium method desulphurization system by taking cement plant as an example.Referring to Fig. 1,
Before chimney, that is, kiln tail flue or kiln tail breather filter, the SO2 in superfines removing flue gas is sprayed by injection apparatus 40.It generates
Sulfate can be collected by filtration by the dust-extraction unit 60 of rear end, collect the sulfate to get off can be used as cement raw material, it can be achieved that
The recycling of desulfurization final product.
The dry method desulfuration system 100 of the application, by the way that material (desulfurizing agent) is ground into superfines, such as sodium base or calcium
Material is uniformly ejected into reactor 50 by injection apparatus 40 by base superfines, sufficiently mixed with the flue gas in reactor 50
Conjunction reacts, and removes the SO2 in flue gas.The sulfate of generation can be collected by filtration by the deduster 62 of rear end, collect and
Sulfate can be used as the raw material of cement, it can be achieved that desulfurization final product recycling.The entire sweetening process of the application is produced without white cigarette
It is raw, because of atmosphere polluting problem caused by white cigarette may be not present.And liquid waste processing problem is not present in dry desulfurization, on the one hand saves
Liquid waste processing expense, on the other hand also avoids the improper bring water pollution problems of liquid waste processing.Therefore, had using the application
There is initial investment small, operating cost is low, conducive to the advantage of environmental protection.
More specifically, in the present embodiment, as shown in Figure 1, the storage device 10 can include: unloading unit 11 and raw material cabin
12, they are the prior art, and the present embodiment repeats no more this.Unloading unit 11 is used to the material in tank car unload, and
Convey material.Unloading unit 11 includes pump and conveyance conduit.Raw material cabin 12 is connected with the unloading unit 11, for storing object
Material.Wherein, it is equipped with the breather filter 13 of raw material cabin at the raw material cabin 12, ventilate for raw material cabin 12 and collects in gas
Dust.The bottom of the raw material cabin 12 is equipped with corresponding vibration blanking device, that is, raw material cabin vibration blanking device 14 and heating device
(not drawing in figure), the vibration blanking device 14 of raw material cabin prevent material hardened for shaking material.Heating device is used to be object
Material heating, prevents material hardened.Heating device includes the heater strip being arranged in raw material cabin 12.
More specifically, in the present embodiment, as shown in Figure 1, the drawing-in device 20 includes: slide valve 24, screw conveyor
23, the spiral weighing balance 22 of buffering chamber 21 and buffering chamber, they are the prior art, and the present embodiment repeats no more this.Flashboard
Valve 24 is mounted at the storage device 10, that is, is mounted on the bottom of the raw material cabin 12, for controlling the storage device 10
Described in raw material cabin 12 open or close.Screw conveyor 23 is connected with the slide valve 24 in the storage device 10, is used for
The material of slide valve 24 in the storage device 10 is exported.Buffering chamber 21 is connected with the screw conveyor 23, for delaying
Deposit the material that the storage device 10 exports.The spiral weighing balance 22 of buffering chamber is connected with the buffering chamber 21, for quantitative defeated
The material cached out, output quantity can be adjusted.The spiral weighing balance 22 of buffering chamber is that the screw conveyor with frequency conversion is band
The screw conveyor of frequency conversion adjusts output quantity by control screw rod revolution.Further, level-sensing device LS is additionally provided in buffering chamber 21.
M indicates motor.
More specifically, in the present embodiment, as shown in Figure 1, the grinding device 30 includes: the blower of grinding machine 31 and grinding machine
32, they are the prior art, and the present embodiment repeats no more this.Specifically, grinding machine 31 is connected with the drawing-in device 20, uses
In the crushing material for feeding the drawing-in device 20 at superfines.Material levigation is broken into especially by the mill in it super
Fine powder.The blower 32 of grinding machine is connected with the grinding machine 31, for conveying compressed air into the grinding machine 31, the side sent with wind
Superfines is carried and is exported by formula.Specifically, the superfines being ground is driven by compressed air to powder concentrator, and qualified is ultra-fine
Powder is exported, and underproof superfines leaks into mill by powder concentrator and continues to grind.Further, on 31 output channel of grinding machine
Equipped with the pressure gauge PT for showing pressure value on site, for the pressure transmitter PI of output pressure signal, with showing on site
The thermometer TI of temperature, the temperature transmitter TE for output temperature signal.
More specifically, in the present embodiment, as shown in Figure 1, the injection apparatus 40 includes: the wind of spray gun 41 and injection apparatus
Machine 42, they are the prior art, and the present embodiment repeats no more this.Specifically, the reactor is protruded into one end of spray gun 41
50, inserting end has spray head, for spraying superfines into the reactor 50.In the spray gun 41 at the front end of spray head
Equipped with superfines entrance and gas access.The superfines entrance is connected with the grinding device 30, with to the spray gun
Superfines is conveyed in 41.The blower 42 of injection apparatus is connected with the gas access of the spray gun 41, is used for the spray gun 41
Interior conveying compressed air, the superfines in the spray gun 41 is uniformly sprayed.Further, the quantity of spray gun 41 can be
Multiple, multiple spray guns 41 are evenly arranged along the circumferencial direction of reactor 50.The corresponding spray head of each spray gun 41.
More specifically, in the present embodiment, as shown in Figure 1, the dust-extraction unit 60 includes: dedusting fan 61, deduster 62
With air-introduced machine 63, they are the prior art, and the present embodiment repeats no more this.Specifically, dedusting fan 61 is reacted with described
Device 50 is connected, for exporting the flue gas after desulfurization in the reactor 50.Deduster 62 is connected with the dedusting fan 61, uses
It is removed in by the dust in flue gas after desulfurization.Air-introduced machine 63 is connected with the deduster 62, for flue gas up to standard to be delivered to
The chimney.
More specifically, in the present embodiment, as shown in Figure 1, the dry method desulfuration system 100 further includes metering buffer storage
70, the metering buffer storage 70 is arranged in the output end of the grinding device 30 and is located at before the injection apparatus 40, uses
In the output for measuring the grinding device 30 superfines and is accelerated to export, to avoid wind speed decreased, lead to material
Sedimentation can not continue the situation of conveying.
More specifically, in the present embodiment, as shown in Figure 1, the metering buffer storage 70 includes: fine powder bin 71, measures and delay
Spiral weighing balance 72, surge hopper 73, accelerator 74 and the blower 75 for measuring buffer storage of cryopreservation device.Except accelerator 74 it
Outside, remaining part is the prior art, and the present embodiment repeats no more the specific structure of remaining part.Fine powder bin 71 and the powder
Mill apparatus 30 is connected, the superfines exported for storing the grinding device 30.Measure the spiral weighing balance 72 of buffer storage
It is connected with the fine powder bin 71, for quantitatively exporting the superfines of storage, output quantity can be adjusted.Measure buffer storage
Spiral weighing balance 72 be the screw conveyor with frequency conversion by control screw rod revolution adjust output quantity.Surge hopper 73 with it is described
The spiral weighing balance 72 for measuring buffer storage is connected, and 73 top of surge hopper is furnished with level-sensing device LS, and level-sensing device LS is slow for monitoring
Rush the material position of funnel, it is ensured that the conical section of surge hopper 73 is full of material, so that the surge hopper 73 plays lock wind, keeps away
Exempt from the device that the compressed air blowback in accelerator 74 enters the surge hopper 73 and top.Accelerator 74 enters with superfines
Mouth and gas access, the superfines entrance are connected with the surge hopper 73, super for conveying into the accelerator 74
Fine powder.The blower 75 of metering buffer storage is connected with the gas access of the accelerator 74, for into the accelerator 74
Convey compressed air.Wherein, the fine powder bin 71 is equipped with the breather filter 76 of fine powder bin for ventilating and collecting in gas
Dust.The bottom of the fine powder bin 71 is equipped with corresponding vibration blanking device, that is, fine powder bin vibration blanking device 77 and slide valve, that is, thin
The slide valve 78 of powder cabin, the vibration blanking device prevent superfines hardened for shaking material.The slide valve is for controlling
The fine powder bin 71 opens or closes.The accelerator 74 is configured to send mode that the superfines acceleration in it is defeated by wind
Out.More specifically, as shown in Fig. 2, the accelerator 74 is pipeline, corresponding to the meter in the accelerator 73 in the present embodiment
The pipeline 741 for measuring the blower of buffer storage is configured to the diameter that become smaller by major diameter, corresponds to the superfines in the accelerator 74
The diameter that is configured to be become smaller by major diameter of pipeline 742 becomes larger diameter again.
Fig. 4 is the schematic diagram according to the dry method desulfuration system of the application another embodiment.In the present embodiment, institute
The quantity for stating reactor 50 is multiple, spiral of each reactor 50 configured with corresponding injection apparatus 40, metering buffer storage
Weighing balance 72, surge hopper 73, accelerator 74 and the blower 75 for measuring buffer storage.The dry method desulfuration system 100 includes point
Orchestration 70 is arranged in after the slide valve 78 of fine powder bin between the spiral weighing balance 72 of corresponding metering buffer storage, is used for
Superfines is uniformly distributed to corresponding reactor 50, the distributor 80 is also mainly used for avoiding material (superfines)
It is hardened.
Fig. 5 is the schematic diagram of distributor shown in Fig. 4.Fig. 6 is the schematic structure of revolution discharge tray shown in Fig. 5
Figure.The distributor 80 includes: shell 81, revolution discharge tray, setting gauge 86 and revolution coil motor 89.The upper surface of shell 81 is set
There is the first feed opening 82, for passing through superfines.Multiple second feed openings 83 are equipped at the lower end surface of shell 81, it is the multiple
Second feed opening 83 is uniformly distributed along the center of the shell 81, and every one second feed opening 83 is used to the superfines by dividing equally.
Revolution discharge tray 84 is mounted at the lower end surface of the shell 81, and revolution discharge tray 84 is equipped with and the multiple second feed opening
83 corresponding multiple third feed openings 85.Setting gauge 86 is mounted on the center of the revolution discharge tray 84, can the relatively described revolution
Discharge tray 84 rotates.Three rod for stiring materials 88 that setting gauge 86 has central axis 87 and is mounted at central axis 87.Described three are dialled
Expect that bar 88 is uniformly distributed along the center of the central axis 87.The non-arc-shaped of each rod for stiring materials 88 is used for uniform material toggling.Turn round coil motor 89
It is fixedly connected with the central axis 87, for providing rotary power for the central axis 87.Wherein, the revolution coil motor 89 revolves
Turn that central axis 87 is driven to rotate, drive the rotation of described three rod for stiring materials 88, so will enter the superfines of the shell 81 into
Row evenly distributes, and the superfines evenly distributed is exported via corresponding 85 to the second feed opening 83 of third feed opening to corresponding
Measure the spiral weighing balance 72 of buffer storage.
More specifically, dry method desulfuration system 100 can also be controlled by the acquisition to air inlet flue-gas temperature, SO2 gas concentration
Superfines eject position processed and the amount of injection.According to the SO2 concentration of chimney CEMS system monitoring, calibration adjusts injection apparatus 40
Setting, to realize that a whole set of dry method desulfuration system 100 is economic, efficient.
Fig. 3 is the schematic diagram according to the dry method desulfuration system of the application another embodiment.Embodiment illustrated in fig. 3
It is from the difference of embodiment illustrated in fig. 1: it is different with the storage device 10 in Fig. 1, and without the metering in embodiment illustrated in fig. 1
Distributor 80 in buffer storage 70 and Fig. 4-Fig. 6, remaining structure is identical, and this embodiment is not repeated for identical structure.
Certainly, it will appreciated by the skilled person that when it is implemented, embodiment shown in Fig. 3 can also increase
Distributor 80 in metering buffer storage 70 and Fig. 4-Fig. 6 shown in Fig. 1.
As shown in figure 3, storage device 10 can include: ton packet hanger 15, blanking funnel 16 and screw conveyor 23.Ton packet is hung
Frame 15, for hanging the ton packet of dress material.Blanking funnel 16 is located at the lower section of the ton packet hanger 15, the opening with the ton packet
Hold it is corresponding, for storing material.Screw conveyor 23 is connected with the blanking funnel 16, and being used for will be in the blanking funnel 16
Material output.
More specifically, material is calcium-based desulfurizing agent referring to Fig. 3.Calcium-based desulfurizing agent is by storage device 10 and drawing-in device 20
To grinding device 30, superfines is ground to by grinding device 30.Superfines is uniformly ejected into anti-by injection apparatus 40
Device 50 is answered, is sufficiently mixed with flue gas in reactor 50, in suitable temperature window with sour gas reactions such as SO2 in flue gas,
Complete first step desulfurization work.To further increase reaction efficiency, it can be humidified in place to flue, enable cigarette
The SO2 gas that unreacted calcium base superfines water suction in gas increases in reactivity and flue gas further reacts, and improves de-
Sulphur efficiency.The method can be used for de- HCL, the sour gas such as CL2, H2S in addition to it can be used for desulfurization.It is widely used in steel mill, electricity
Factory, cement plant chemical plant, waste incineration, coke-oven plant.
By taking cement plant as an example, cement plant calcium method sulfur removal technology is briefly introduced: ultra-fine in kiln tail bypass system spray calcium base
Powder, then in the further desulfurization of chilling tower humidification.The technology be by calcium-based desulfurizing agent in the environment of 900~1150 DEG C with
SO2 reaction, plays part sulfur fixation.Install humidification activation reactor 50, make in chilling tower unreacted calcium-based desulfurizing agent and
Water reaction generates Ca (OH) 2, and further sulfur dioxide absorption improves desulfurization degree.
In addition, herein described dry method desulfuration system 100 can be also used for spray active carbon, for remove the Hg in flue gas and
The pernicious gases such as dioxin.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this Shen
It please the ordinary meaning that is understood of one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.In the description of the present application, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in this application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
The preferable specific embodiment of the above, only the application, but the protection scope of the application is not limited thereto,
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art,
Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims
Subject to.
Claims (10)
1. the front end of chimney is arranged in a kind of dry method desulfuration system, the flue gas desulfurization for generating for burning, which is characterized in that
It include: to be connected by pipeline
Storage device, for storing material；
Drawing-in device is connected with the storage device, for quantitative feeding；
Grinding device is connected with the drawing-in device, the crushing material for feeding the drawing-in device at superfines, and
Output；
Injection apparatus is connected with the grinding device, and the superfines for exporting the grinding device is mixed with compressed air
It closes and accelerates uniformly to spurt into reactor；
Reactor is connected with the injection apparatus, the flue gas generated for receiving burning, and for providing reacting environment, will
The superfines of the injection apparatus injection and the sulfur dioxide in flue gas sufficiently react, to remove the sulfur dioxide in flue gas；
With
Dust-extraction unit is connected with the reactor and the chimney respectively, for removing the dust in flue gas after desulfurization, and will reach
Mark flue gas is exported to the chimney.
2. dry method desulfuration system according to claim 1, which is characterized in that the storage device includes:
Unloading unit for the material in tank car to be unloaded, and conveys material；With
Raw material cabin is connected, for storing material with the unloading unit；
Wherein, it is equipped with the breather filter of raw material cabin at the raw material cabin, ventilate for raw material cabin and collects the dust in gas,
The bottom of the raw material cabin is equipped with corresponding vibration blanking device and heating device, for shaking material, and prevents material hardened.
3. dry method desulfuration system according to claim 1, which is characterized in that the storage device includes:
Ton packet hanger, for hanging the ton packet of dress material；With
Blanking funnel, it is corresponding with the open end of the ton packet positioned at the lower section of the ton packet hanger, for being gone out in a manner of funnel
Material.
4. dry method desulfuration system according to claim 1, which is characterized in that the drawing-in device includes:
Slide valve is mounted at the storage device, for controlling opening or closing for the storage device
Screw conveyor is connected with the storage device, for exporting the material in the storage device；
Buffering chamber is connected with the screw conveyor, for caching the material of the storage device output；With
The spiral weighing balance of buffering chamber, is connected with the buffering chamber, and for quantitatively exporting the material of caching, output quantity can be carried out
It adjusts.
5. dry method desulfuration system according to claim 1, which is characterized in that the grinding device includes:
Grinding machine is connected with the drawing-in device, and the crushing material for feeding the drawing-in device is at superfines；With
The blower of grinding machine is connected with the grinding machine, will be ultra-fine in such a way that wind is sent for conveying compressed air into the grinding machine
Powder carries output.
6. dry method desulfuration system according to claim 1, which is characterized in that the injection apparatus includes:
The reactor is protruded into spray gun, one end, and inserting end has spray head, for spraying superfines into the reactor,
Superfines entrance and gas access are equipped in the spray gun at the front end of spray head, the superfines entrance and the grinding fill
Set it is connected, to convey superfines into the spray gun；With
The blower of injection apparatus is connected with the gas access of the spray gun, will for conveying compressed air into the spray gun
Superfines in the spray gun uniformly sprays.
7. dry method desulfuration system according to claim 1, which is characterized in that the dust-extraction unit includes:
Dedusting fan is connected with the reactor, for exporting the flue gas after desulfurization in the reactor；
Deduster is connected with the dedusting fan, for removing the dust in flue gas after desulfurization；With
Air-introduced machine is connected with the deduster, for flue gas up to standard to be delivered to the chimney.
8. dry method desulfuration system described in any one of -7 according to claim 1, which is characterized in that further include metering caching dress
It sets, be arranged in the output end of the grinding device and be located at before the injection apparatus, for measuring the defeated of the grinding device
Superfines out is simultaneously accelerated output.
9. dry method desulfuration system according to claim 8, which is characterized in that the metering buffer storage includes:
Fine powder bin is connected with the grinding device, for storing the superfines of the grinding device output；
The spiral weighing balance for measuring buffer storage, is connected with the fine powder bin, defeated for quantitatively exporting the superfines of storage
Output can be adjusted；
Surge hopper is connected with the spiral weighing balance of the metering buffer storage, and surge hopper top is furnished with level-sensing device, level-sensing device
For monitoring the material position of surge hopper, it is ensured that the conical section of surge hopper is full of material, so that the surge hopper plays lock wind
Effect, avoids the compressed air blowback in accelerator from entering the device on the surge hopper and top；
Accelerator, has superfines entrance and gas access, and the superfines entrance is connected with the surge hopper, is used for
Superfines is conveyed into the accelerator；With
The blower for measuring buffer storage, is connected with the gas access of the accelerator, for conveying compression into the accelerator
Air；
Wherein, the fine powder bin is equipped with the breather filter of fine powder bin, for ventilating and collecting the dust in gas, the fine powder
The bottom in storehouse is equipped with corresponding vibration blanking device and slide valve, and the vibration blanking device is used for shaking material, the slide valve
In opening or closing for the control fine powder bin；The accelerator is configured to that mode is sent to accelerate the superfines in it by wind
Output, the accelerator are pipeline, and the pipeline flowing Cheng You great of the blower of the metering buffer storage is corresponded in the accelerator
Diameter becomes smaller diameter, and the pipeline flowing of the superfines is corresponded in the accelerator and is become larger again diameter at by the major diameter diameter that becomes smaller.
10. dry method desulfuration system according to claim 9, which is characterized in that the quantity of the reactor be it is multiple, it is each
Reactor configurations have corresponding injection apparatus, the spiral weighing balance for measuring buffer storage, surge hopper, accelerator and metering caching
The blower of device；
The dry method desulfuration system includes distributor, is arranged in after the slide valve of fine powder bin and corresponding metering buffer storage
Between spiral weighing balance, for superfines uniformly to be distributed to corresponding reactor, the distributor is also used to avoid object
Flitch knot；
The distributor includes:
Shell, end face is equipped with the first feed opening thereon, for passing through superfines, is equipped with multiple second blankings at lower end surface
Mouthful, the multiple second feed opening is uniformly distributed along the center of the shell, and every one second feed opening is used to ultra-fine by what is divided equally
Powder；
Discharge tray is turned round, is mounted at the lower end surface of the shell, which is provided with corresponding more with the multiple second feed opening
A third feed opening；
Setting gauge is mounted on the center of the revolution discharge tray, can rotate relative to the revolution discharge tray, with central axis and
Three rod for stiring materials of central axis are mounted on, described three rod for stiring materials are uniformly distributed along the center of the central axis, and each rod for stiring materials is not
Arc-shaped is used for uniform material toggling；With
Coil motor is turned round, is fixedly connected with the central axis, for providing rotary power for the central axis；
Wherein, the revolution coil motor rotation drives central axis rotation, drives three rod for stiring materials rotation, and then will enter institute
The superfines for stating shell is evenly distributed, and the superfines evenly distributed is via corresponding third feed opening to the second blanking
Mouth is exported to the spiral weighing balance of corresponding metering buffer storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254344.1U CN209451616U (en) | 2018-12-29 | 2018-12-29 | Dry method desulfuration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254344.1U CN209451616U (en) | 2018-12-29 | 2018-12-29 | Dry method desulfuration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499295A (en) * | 2018-12-29 | 2019-03-22 | 米凯利科技（北京）有限公司 | Dry method desulfuration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499295A (en) * | 2018-12-29 | 2019-03-22 | 米凯利科技（北京）有限公司 | Dry method desulfuration system |
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