CN106731615A - Flue gas purifying equipment and flue gas purification system - Google Patents
Flue gas purifying equipment and flue gas purification system Download PDFInfo
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- CN106731615A CN106731615A CN201710061259.0A CN201710061259A CN106731615A CN 106731615 A CN106731615 A CN 106731615A CN 201710061259 A CN201710061259 A CN 201710061259A CN 106731615 A CN106731615 A CN 106731615A
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- flue gas
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- purifying column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
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- Treating Waste Gases (AREA)
Abstract
The present invention relates to technical field of environment protection equipment, more particularly, to flue gas purifying equipment and flue gas purification system.Flue gas purifying equipment, including：Interconnected the first purifying column and the second purifying column；First purifying column includes the desulfurizer and deduster that set gradually under upper, for the dust in flue gas and sulfide are removed；Second purifying column includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for by the removal of the sulfide of nitride in flue gas and residual.Desulfurizer, deduster, comprehensive absorption device and nitrogen rejection facility try one's best removal the harmful substance in flue gas, to reduce the floor space of purifier.
Description
Technical field
The present invention relates to technical field of environment protection equipment, more particularly, to flue gas purifying equipment and flue gas purification system.
Background technology
Air is the most basic important environment of human survival, and it not only carries out heat, momentum and water and provides by displacement
The profile adjustment process in source, and create a suitable living environment to the mankind, effectively protects the mankind and tellurian
It is biological.But, with human being's production and the increase of social activities, the burning of particularly a large amount of fuel, the discharge of industrial waste gas makes
Atmospheric environment deteriorates increasingly.In the pollutant of all kinds of air, main is the pollution that stove fire coal causes, and fire coal is big compression ring
The main source of the pollutant such as sulfur dioxide, nitrogen oxides, flue dust in border.From the point of view of the consumption of coal：Coal is in China's energy
Ratio in consumption is maintained at 70% or so, and is difficult to change in a short time；From the occupation mode of coal：Consumption of coal
80% is directly used in burning, and wherein coal-burning utilities Coal-fired capacity accounts for more than the 50% of coal consumption amount.
With continuing to develop for industrial economy, world environments increasingly deteriorates.Especially with the industrialization of developing country
The continuous propulsion of process, arranges the pollutant absolute magnitude rapid growth to air.The mankind increasingly by because of oneself and caused by disastrous effect
And feel to be too tired to deal with, it is even frightened.The dust sulfur dioxide and nitrogen oxides that coal-fired furnace kiln discharges in flue gas are to cause big
Gas pollutes one of main factor, and it can not only cause acid rain to endanger the mankind, and according to nearest world environments expert pronounced, or
Destroy a key factor of atmospheric ozone layer.Therefore, the improvement of dust and sulfur dioxide is extremely urgent.
The pollution of atmospheric environment can bring on a disaster to the existence of the mankind, life, work, sustainable development, therefore control
The practical technique equipment of air environmental pollution just seems suitable important.Current scientific and technical innovation, social progress and human lives
The raising of quality, environmental protection quality is increasingly paid attention to, environmental protection discharge standard also more and more higher and to international environment protect
Shield discharge standard integrates with, and is the technological innovation level of this environmental protection equipment industry also with regard to more and more higher.Air environmental pollution is (especially
Acid rain) it is borderless, so proposing requirement higher to air environmental pollution control technology equipment.With China and the world
Society integrates with, and environmental protection increasingly draws attention, as the emphasis invested from now on, if the cigarette do not administered in these flue gases
Dirt and sulfur dioxide will cause to cause severe contamination to air and city.
Current desulphurization and denitration, cleaner are all independent operating substantially, internal nearly all equipped with various complex facilities
Most cigarette (powder) dirt all has viscosity, can adsorb on desulfurating dust-removing equipment inner facility, cause hot resistance to increase, run
Expense increases, chases after to make to stop production often and clear up maintenance, cause enterprise production to reduce, directly affect the economic benefit of enterprise.It is solution
Certainly conventional desulfurating dust-removing equipment is long-term, and highly efficient durable, resistance be not big, operating cost is high, frequent stopping production is repaired, causes factory's underproduction
The shortcomings of decreasing effect.
The content of the invention
It is an object of the invention to provide a kind of flue gas purifying equipment and flue gas purification system, deposited in the prior art with alleviating
In the big technical problem of gas cleaning dirt occupation area of equipment.
A kind of flue gas purifying equipment that the present invention is provided, including：Interconnected the first purifying column and the second purifying column；
First purifying column includes the desulfurizer and deduster that set gradually under upper, for by flue gas
Dust and sulfide are removed；
Second purifying column includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for by cigarette
The sulfide removal of nitride and residual in gas.
Further, the bottom of first purifying column is provided with the first smoke inlet, bottom and is provided with the first exhaust opening, institute
State bottom on the second purifying column and be provided with the second smoke inlet, top and be provided with the second exhaust opening；
First exhaust opening is connected with second smoke inlet.
Further, it is respectively provided between the desulfurizer and deduster, the comprehensive absorption device and nitrogen rejection facility
There are the separator of structure identical first and the second separator；
The first leakage fluid dram is provided with first purifying column, first leakage fluid dram is arranged on the desulfurizer and institute
The nearly first separator end between the first separator is stated, the second leakage fluid dram and the 3rd leakage fluid dram is provided with the second purifying column,
Second leakage fluid dram is arranged on the side wall of the second purifying column lower end, and the 3rd leakage fluid dram is arranged on the comprehensive suction
Near one end of second separator between receiving apparatus and second separator.
Further, the nitrogen rejection facility includes：First swirl-spray device, multiple first spray throwers and multiple spiral mixing
Device；
The first swirl-spray device abuts in the lower end of second separator；
Multiple first spray throwers and multiple spiral blenders interval setting successively from top to bottom；
The feed tube of multiple first spray throwers is used to be connected with oxidant tank body.
Further, the comprehensive absorption device includes the second swirl-spray device, multiple second spray throwers and multiple spirals
Blender；
The second swirl-spray device is arranged on the lower end of the exhaust opening；
Multiple second spray throwers and multiple spiral blenders interval setting successively from top to bottom；
The feed tube of multiple second spray throwers is used to be connected with the first alkali liquid tank.
Further, the spiral blender includes：Cylinder, multiple spinning disks and some suspension balls, the cylinder it is interior
Portion is provided with core pipe, the diameter parallel of the axis of the core pipe and the cylinder；
One short brink of the spinning disk is fixedly connected with the outer wall of the core pipe, another short side of the spinning disk
Side is fixedly connected with the inwall of the cylinder；
The passage passed through for flue gas is formed between two neighboring spinning disk, the width of the passage is by the one of the spinning disk
Another short brink of the lateral spinning disk of individual short side gradually increases；
Close-network is provided with the cylinder, the frame of the close-network is used to be fixed with the inwall of the housing of nitrogen rejection facility
Connection, some suspension balls are located between the close-network and the spinning disk.
Further, the deduster includes：Dust removing tube, support frame and collection funnel；
Support frame as described above is movably connected on the inwall of the first purifying column；
The dust removing tube is multiple；Multiple dust removing tubes are movably connected on support frame as described above, and the collection funnel can
The lower end for being connected to support frame as described above of dismounting.
Further, the desulfurizer includes：Cyclone mixer, the 3rd spray head and the 3rd swirl-spray device；
It is multiple that the cyclone mixer and the 3rd spray head are；The 3rd swirl-spray device, multiple are described
3rd spray head and multiple cyclone mixers interval setting successively from top to bottom in the first purifying column；
One end of 3rd spray head connects with the second alkali liquid tank.
Further, the cyclone mixer includes：Bridge insert, rotating disk and multiple flow deflectors；
One end of the bridge insert is connected with the inner wall sealing of the first purifying column, and the other end of the bridge insert passes through trunnion
It is connected with the rotating disk, multiple flow deflectors are disposed in the rotating disk in the same direction, is formed between the adjacent flow deflector
Exhaust gases passes, to force flue gas to pass through from exhaust gases passes.
A kind of flue gas purification system, including flue gas purifying equipment, blower fan, control unit, PH detection units, the first magnetic valve
With the second magnetic valve and nitride detector；
The air-introduced machine is arranged in the pipeline between chimney and the first smoke inlet, is additionally provided with pipeline with air-valve, is matched somebody with somebody
Air-valve one end and pipeline communication, other end connection cold air；
The PH detection units are arranged at the first leakage fluid dram, and the first magnetic valve is arranged on the first alkali liquid tank and the second spray
Between the pipeline of device connection, the amount of alkali lye is sprayed for the second spray head of regulation and control；
Second magnetic valve is arranged between the pipeline that the second alkali liquor pipe is connected with the 3rd spray head, is sprayed for regulation and control the 3rd
Drench the amount that head sprays alkali lye；
The nitride detector is arranged between the pipeline that the second exhaust opening is connected with chimney, described control unit difference
With the PH detection units, with air-valve, the first magnetic valve, the second magnetic valve and air inducing mechatronics.
A kind of flue gas purifying equipment that the present invention is provided, including：Interconnected the first purifying column and the second purifying column；Institute
Stating the first purifying column includes the desulfurizer and deduster that set gradually under upper, for by the dust in flue gas and vulcanization
Thing is removed；Second purifying column includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for by cigarette
The sulfide removal of nitride and residual in gas.Desulfurizer, deduster, comprehensive absorption device and nitrogen rejection facility are by flue gas
Harmful substance is tried one's best removal, so as to reduce its floor space.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of flue gas purifying equipment provided in an embodiment of the present invention；
Fig. 2 is the front view of the second purifying column of flue gas purifying equipment provided in an embodiment of the present invention；
The front view of spiral blender in the second purifying column that Fig. 3 is provided for Fig. 2 embodiments；
Fig. 4 is the front view of the first purifying column of the second purifying column of flue gas purifying equipment provided in an embodiment of the present invention；
The front view of the first purifying column inward eddy blender that Fig. 5 is provided for Fig. 4 embodiments；
Fig. 6 is the front view of flue gas purification system provided in an embodiment of the present invention.
Icon：The purifying columns of 1- first；The purifying columns of 2- second；3- air-introduced machines；4- matches somebody with somebody air-valve；The smoke inlets of 11- first；12-
One exhaust opening；The leakage fluid drams of 13- first；The smoke inlets of 21- second；22 second exhaust openings；The leakage fluid drams of 23- the 3rd；The discharge opeings of 24- second
Mouthful；110- dust removing tubes；120- collection funnels；130- cyclone mixers；The spray heads of 140- the 3rd；The swirl-spray devices of 150- the 3rd；
210- the first swirl-spray devices；The spray throwers of 220- first；230- spiral blenders；The spray throwers of 240- second；The eddy flows of 250- second
Sprayer；1301- flow deflectors；1302- rotating disks；1303- bridge inserts；2301- spinning disks；2302- suspension balls；2303- core pipes；
2304- close-networks.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1
Fig. 1 is the front view of flue gas purifying equipment provided in an embodiment of the present invention.As shown in figure 1, the one of present invention offer
Flue gas purifying equipment is planted, including：Interconnected the first purifying column 1 and the second purifying column 2；
First purifying column 1 includes the desulfurizer and deduster that set gradually under upper, for by flue gas
Dust and sulfide removal；
Second purifying column 2 includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for will
The sulfide removal of nitride and residual in flue gas.
In the present embodiment, interconnected the first purifying column 1 and the second purifying column 2；First purifying column 1 is included from upper
Under the desulfurizer and deduster that set gradually, for the dust in flue gas and sulfide are removed；Second purification
Tower 2 includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for by nitride in flue gas and residual
Sulfide is removed.Desulfurizer, deduster, comprehensive absorption device and nitrogen rejection facility try one's best removal the harmful substance in flue gas,
So as to reduce its floor space.
On the basis of above-described embodiment, further, the bottom of first purifying column 1 is provided with the first smoke inlet
11st, bottom is provided with the first exhaust opening 12, and bottom is provided with the second smoke inlet 21, top and is provided with second purifying column 2
Second exhaust opening 22；
First exhaust opening 12 is connected with second smoke inlet 21.
In the present embodiment, the bottom of first purifying column 1 is provided with the first smoke inlet 11, bottom and is provided with the first smoke evacuation
Mouth 12, bottom is provided with the second smoke inlet 21, top and is provided with the second exhaust opening 22 on second purifying column 2；Described first
Exhaust opening 12 is connected with second smoke inlet 21, to ensure that flue gas is entered from the lower end of the first purifying column 1 and the second purifying column 2
Enter, to cause being that adverse current is purified to flue gas inside purifying column.
Fig. 2 is the front view of the second purifying column of flue gas purifying equipment provided in an embodiment of the present invention；Fig. 4 is real for the present invention
The front view of the first purifying column of the second purifying column of the flue gas purifying equipment of example offer is provided.As shown in Figure 2 and Figure 4, in upper reality
Apply on the basis of example, further, distinguish between the desulfurizer and deduster, the comprehensive absorption device and nitrogen rejection facility
It is provided with the separator of structure identical first and the second separator；
The first leakage fluid dram 13 is provided with first purifying column 1, first leakage fluid dram 13 is arranged on the desulfurization dress
Put the nearly first separator end and first separator between, the second leakage fluid dram 24 and the are provided with the second purifying column 2
Three leakage fluid drams 23, second leakage fluid dram 24 is arranged on the side wall of the lower end of the second purifying column 2, the 3rd leakage fluid dram 23
It is arranged between the comprehensive absorption device and second separator near one end of second separator.
In the present embodiment, the alkali lye that the first separator is intercepted in desulfurizer is entered into deduster, the resistance of the second separator
Entered into nitrogen rejection facility every the liquid in comprehensive absorption device, so as to improve the purification efficiency of each device；And in desulfurization
Leakage fluid dram is respectively provided with device, comprehensive absorption device and nitrogen rejection facility, it is quick with the effective liquid ensured after reaction
Outflow the first purifying column 1 and the second purifying column 2, to reduce infringement of the reaction solution to tower body.
On the basis of upper embodiment, further, the nitrogen rejection facility includes：First swirl-spray device 210, Duo Ge
One spray thrower 220 and multiple spiral blenders 230；
The first swirl-spray device 210 abuts in the lower end of second separator；
Multiple first spray throwers 220 and multiple spiral blenders 230 interval setting successively from top to bottom；
The feed tube of multiple first spray throwers 220 is used to be connected with oxidant tank body.
In the present embodiment, flue gas is entered into oxidation process denitrification device by smoke inlet, and the first spray head starts sprinkling oxidation
Agent, oxidant is attached to inside spiral blender 230, and flue gas through spiral blender 230 by during rising, carrying out
Outwards discharge, so, flue gas just can sufficiently be contacted with oxidant, nitride and nitride in flue gas to the greatest extent may be used
The oxidation of energy.
On the basis of upper embodiment, further, the comprehensive absorption device includes the second swirl-spray device 250, many
Individual second spray thrower 240 and multiple spiral blenders 230；
The second swirl-spray device 250 is arranged on the lower end of the exhaust opening；
Multiple second spray throwers 240 and multiple spiral blenders 230 interval setting successively from top to bottom；
The feed tube of multiple second spray throwers 240 is used to be connected with the first alkali liquid tank.
Wherein, the setting that the second spray head and spiral blender 230 can be spaced successively, or second spray head
Lower section be provided with two spiral blenders 230 and two the second spray heads lower section is provided with a spiral blender 230.
In the present embodiment, entered into comprehensive absorption device after flue gas is discharged from oxidation process denitrification device, it is comprehensive to inhale
The second spray head sprinkling alkali lye in receiving apparatus, alkali lye is entered into spiral blender 230 from the top of spiral blender 230,
Flue gas is entered into spiral blender 230 from the lower section of spiral blender 230 so that flue gas and alkali lye are in spiral blender 230
Sufficient haptoreaction is inside carried out, so that the pernicious gas in flue gas is by removal as much as possible.
The front view of spiral blender in the second purifying column that Fig. 3 is provided for Fig. 2 embodiments.As shown in figure 3, in above-mentioned reality
Apply on the basis of example, further, the spiral blender 230 includes：Cylinder, multiple spinning disks 2301 and some suspension balls
2302, the cylinder is internally provided with core pipe 2303, the diameter parallel of the axis of the core pipe 2303 and the cylinder；
One short brink of the spinning disk 2301 is fixedly connected with the outer wall of the core pipe 2303, the spinning disk 2301
Another short brink be fixedly connected with the inwall of the cylinder；
The passage passed through for flue gas is formed between two neighboring spinning disk 2301, the width of the passage is by the spinning disk
Another short brink of the lateral spinning disk 2301 of 2301 short side gradually increases；
Close-network 2304 is provided with the cylinder, the frame of the close-network 2304 is used for and the housing of nitrogen rejection facility
Inwall is fixedly connected, and some suspension balls 2302 are located between the close-network 2304 and the spinning disk 2301.
In the present embodiment, spiral blender 230 includes：Cylinder, multiple spinning disks 2301 and some suspension balls 2302, it is described
Cylinder is internally provided with core pipe 2303, the diameter parallel of the axis of the core pipe 2303 and the cylinder；Flue gas is from adjacent two
Form the passage passed through for flue gas between individual spinning disk 2301 to pass through, because the width of passage is by the one of the spinning disk 2301
Another short brink of the lateral spinning disk 2301 of individual short side gradually increases, can so make flue gas pass through spinning disk 2301 it
Afterwards in the space for entering into the place of suspension ball 2302 of rotation direction, suspension ball 2302 is set to be in rotate clockwise or counter-clockwise, meanwhile,
Close-network 2304 is provided with cylinder, some suspension balls 2302 are located at the close-network 2304 and the spinning disk 2301
Between, so that suspension ball 2302 is rotated in the position for limiting, the liquid and flue gas on the surface of suspension ball 2302 can be increased
Contact, so as to improve the purifying rate of flue gas.
On the basis of above-described embodiment, further, the deduster includes：Dust removing tube 110, support frame and collection leakage
Bucket 120；
Support frame as described above is movably connected on the inwall of the first purifying column 1；
The dust removing tube 110 is multiple；Multiple dust removing tubes 110 are movably connected on support frame as described above, the collection
Funnel 120 is removably attachable to the lower end of support frame as described above.
In the present embodiment, flue gas is entered into dust removing tube 110, dust removing tube 110 by the dust separation in flue gas, due to,
The lower end of dust removing tube 110 is provided with collection funnel 120, and so, dust is entered into collection funnel 120 after by separation, can
Effectively to reduce disposal difficulty of the dust after by separation, beneficial to the collection of dust.
On the basis of above-described embodiment, further, the desulfurizer includes：Cyclone mixer the 130, the 3rd is sprayed
First 140 and the 3rd swirl-spray device 150；
It is multiple that the cyclone mixer 130 and the 3rd spray head 140 are；The 3rd swirl-spray device 150,
Interval sets successively from top to bottom in the first purifying column 1 for multiple 3rd spray heads 140 and multiple cyclone mixers 130
Put；
One end of 3rd spray head 140 connects with the second alkali liquid tank.
In the present embodiment, flue gas enters from the bottom of desulfurizer, the 3rd spray head 140 and the 3rd swirl-spray device 150
Akaline liquid is sprayed, akaline liquid, flue gas is mixed with fog, to remove the sulfide in flue gas, also, because eddy flow is mixed
The setting of clutch 130, fog can be attached on cyclone mixer 130, when flue gas passes through cyclone mixer 130, eddy flow mixing
The water smoke that fog on the surface of device 130 is formed can also be reacted with flue gas, to improve the clean-up effect to flue gas.
The front view of the first purifying column inward eddy blender that Fig. 5 is provided for Fig. 4 embodiments；As shown in figure 5, in above-mentioned reality
Apply on the basis of example, further, the cyclone mixer 130 includes：Bridge insert 1303, rotating disk 1302 and multiple flow deflectors
1301；
One end of the bridge insert 1303 is connected with the inner wall sealing of the first purifying column 1, the bridge insert 1303 it is another
End is connected by trunnion with the rotating disk 1302, and multiple flow deflectors 1301 are disposed in the rotating disk 1302 in the same direction,
Exhaust gases passes are formed between the adjacent flow deflector 1301, to force flue gas to pass through from exhaust gases passes.
In the present embodiment, one end of bridge insert 1303 is connected with the inner wall sealing of the first purifying column 1, bridge insert 1303 it is another
One end is connected by trunnion with the rotating disk 1302, and multiple flow deflectors 1301 are disposed on the rotating disk 1302 in the same direction
It is interior, exhaust gases passes are formed between the adjacent flow deflector 1301, flue gas passes through from exhaust gases passes, flue gas is formed eddy flow, and
And, flue gas can be such that flue gas is sufficiently contacted with the water smoke on flow deflector 1301 by exhaust gases passes, so as to improve desulfurization dress
Put the clean-up effect to flue gas.
Embodiment 2
Fig. 6 is the front view of flue gas purification system provided in an embodiment of the present invention.As shown in fig. 6, a kind of gas cleaning system
System, including gas cleaning setting, air-introduced machine 3, control unit, PH detection units, the first magnetic valve and the second magnetic valve and nitridation
Analyte detection instrument；
The air-introduced machine 3 is arranged in the pipeline between chimney and the first smoke inlet 11, is additionally provided with air-valve in pipeline
4, with the one end of air-valve 4 and pipeline communication, other end connection cold air；
The PH detection units are arranged at the first leakage fluid dram 13, and the first magnetic valve is arranged on the first alkali liquid tank and the second spray
Drench between the pipeline of the connection of device 240, the amount of alkali lye is sprayed for the second spray head of regulation and control；
Second magnetic valve is arranged between the pipeline that the second alkali liquor pipe is connected with the 3rd spray head 140, for regulation and control the
Three spray head 140 sprays the amount of alkali lye；
The nitride detector is arranged between the pipeline that the second exhaust opening 22 is connected with chimney, described control unit point
Do not electrically connect with the PH detection units, with air-valve 4, the first magnetic valve, the second magnetic valve and air-introduced machine 3.
In the present embodiment, flue gas is introduced in the first smoke inlet 11 by air-introduced machine 3, so that the first purifying column 1 starts
Work, the first magnetic valve is in open mode, the liquid in the first alkali liquid tank is entered into the second spray thrower 240, the second electricity
Magnet valve is also at open mode, and the liquid in the second alkali liquid tank is entered into the 3rd spray head 140, and PH detection units detect PH
Signal is transported to control unit, and control unit is adjusted controlling the flow of alkali lye, nitride detector to the first magnetic valve
The signal that will be detected is transmitted into control unit, and control unit is that the second magnetic valve is adjusted, so as to reduce alkali lye
Waste, improve cleaning system purification efficiency.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of flue gas purifying equipment, it is characterised in that including：Interconnected the first purifying column (1) and the second purifying column
(2)；
First purifying column includes the desulfurizer and deduster that set gradually under upper, for by the dust in flue gas
Removed with sulfide；
Second purifying column includes being disposed with comprehensive absorption device and nitrogen rejection facility under upper, for by flue gas
The sulfide removal of nitride and residual.
2. flue gas purifying equipment according to claim 1, it is characterised in that the bottom of first purifying column (1) is provided with
First smoke inlet (11), bottom are provided with the first exhaust opening (12), and bottom is provided with the second smoke inlet on second purifying column
(21), top is provided with the second exhaust opening (22)；
First smoke inlet (11) is connected by pipeline with chimney, first exhaust opening (12) and second smoke inlet
(21) connect.
3. flue gas purifying equipment according to claim 2, it is characterised in that the desulfurizer and deduster, the synthesis
The separator of structure identical first and the second separator are respectively arranged between absorption plant and nitrogen rejection facility；
(1) is provided with the first leakage fluid dram (13) in first purifying column, and first leakage fluid dram (13) is arranged on the desulfurization
Near the first separator end between device and first separator, the second leakage fluid dram is provided with the second purifying column (2)
(24) and the 3rd leakage fluid dram (23), second leakage fluid dram (24) is arranged on the side wall of the second purifying column (2) lower end, institute
The 3rd leakage fluid dram (24) is stated to be arranged between the comprehensive absorption device and second separator near second separator
One end.
4. flue gas purifying equipment according to claim 3, it is characterised in that the nitrogen rejection facility includes：First eddy flow sprays
Day with fog (210), multiple first spray throwers (220) and multiple spirals blender (230)；
First swirl-spray (230) device abuts in the lower end of second separator；
Multiple first spray throwers (220) and multiple spiral blenders (230) interval setting successively from top to bottom；
The feed tube of multiple first spray throwers (220) is used to be connected with oxidant tank body.
5. flue gas purifying equipment according to claim 4, it is characterised in that the comprehensive absorption device includes the second eddy flow
Sprayer (250), multiple second spray throwers (240) and multiple spirals blender (230)；
The second swirl-spray device (250) is arranged on the lower end of second exhaust opening (220)；
Multiple second spray throwers (240) and multiple spiral blenders (230) interval setting successively from top to bottom；
The feed tube of multiple second spray throwers (240) is used to be connected with the first alkali liquid tank.
6. flue gas purifying equipment according to claim 5, it is characterised in that the spiral blender (230) includes：Cylinder
Body, multiple spinning disk (2301) and some suspension balls (2302), the cylinder are internally provided with core pipe (2303), the core pipe
(2303) diameter parallel of axis and the cylinder；
One short brink of the spinning disk (2301) is fixedly connected with the outer wall of the core pipe (2303), the spinning disk
(2301) another short brink is fixedly connected with the inwall of the cylinder；
The passage passed through for flue gas is formed between two neighboring spinning disk (2301), the width of the passage is by the spinning disk
(2301) another short brink of the lateral spinning disk (2301) of a short side gradually increases；
Close-network (2304) is provided with the cylinder, the frame of the close-network (2304) is used for and the housing of nitrogen rejection facility
Inwall is fixedly connected, and some suspension balls (2302) are between the close-network (2304) and the spinning disk (2301).
7. flue gas purifying equipment according to claim 6, it is characterised in that the deduster includes：Dust removing tube (110), branch
Support and collection funnel (120)；
Support frame as described above is movably connected on the inwall of the first purifying column (1)；
The dust removing tube (110) is multiple；Multiple dust removing tubes (110) are movably connected on support frame as described above, the collection
Funnel (120) is removably attachable to the lower end of support frame as described above.
8. flue gas purifying equipment according to claim 7, it is characterised in that the desulfurizer includes：Cyclone mixer
(130), the 3rd spray head (140) and the 3rd swirl-spray device (150)；
It is multiple that the cyclone mixer (130) and the 3rd spray head (140) are；The 3rd swirl-spray device
(150), multiple 3rd spray heads (140) and multiple cyclone mixers (130) are interior from up in the first purifying column (1)
Under interval setting successively；
One end of 3rd spray head (140) connects with the second alkali liquid tank.
9. flue gas purifying equipment according to claim 8, it is characterised in that the cyclone mixer includes：Bridge insert
(1303), rotating disk (1302) and multiple flow deflectors (1301)；
One end of the bridge insert (1303) is connected with the inner wall sealing of the first purifying column (1), the bridge insert (1303) it is another
One end is connected by trunnion with the rotating disk (1302), and multiple flow deflectors (1301) are disposed on the rotating disk in the same direction
(1302) in, exhaust gases passes are formed between the adjacent flow deflector (1301), to force flue gas to pass through from exhaust gases passes.
10. a kind of flue gas purification system, including with the flue gas purifying equipment as described in claim any one of 1-9, its feature
It is, also including air-introduced machine (3), control unit, PH detection units, the first magnetic valve and the second magnetic valve and nitridation analyte detection
Instrument；
The air-introduced machine is arranged in the pipeline between chimney and the first smoke inlet, is additionally provided with pipeline with air-valve (4), air distribution
Valve (4) one end and pipeline communication, other end connection cold air；
The PH detection units are arranged at the first leakage fluid dram, and the first magnetic valve is arranged on the first alkali liquid tank and the second spray thrower connects
Between logical pipeline, the amount of alkali lye is sprayed for the second spray head of regulation and control；
Second magnetic valve is arranged between the pipeline that the second alkali liquor pipe is connected with the 3rd spray head, for the 3rd spray head of regulation and control
Spray the amount of alkali lye；
The nitride detector is arranged between the pipeline that the second exhaust opening is connected with chimney, described control unit respectively with institute
State PH detection units, electrically connected with air-valve (4), the first magnetic valve, the second magnetic valve and air-introduced machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061259.0A CN106731615A (en) | 2017-01-25 | 2017-01-25 | Flue gas purifying equipment and flue gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061259.0A CN106731615A (en) | 2017-01-25 | 2017-01-25 | Flue gas purifying equipment and flue gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106731615A true CN106731615A (en) | 2017-05-31 |
Family
ID=58942040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061259.0A Withdrawn CN106731615A (en) | 2017-01-25 | 2017-01-25 | Flue gas purifying equipment and flue gas purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731615A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2797900Y (en) * | 2004-12-29 | 2006-07-19 | 国家环境保护总局华南环境科学研究所 | Wet type flue-gas purification equipment |
| CN201070572Y (en) * | 2007-08-14 | 2008-06-11 | 湖南大学 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
| US20090165652A1 (en) * | 2007-12-28 | 2009-07-02 | Haisibote ( Beijing ) Science And Technology Co., Ltd. | Purification device for flue gases |
| CN105903327A (en) * | 2016-06-14 | 2016-08-31 | 赵劲松 | Device achieving dedusting, desulfuration and denitration by means of acid and alkali potential water |
| CN205683764U (en) * | 2016-06-03 | 2016-11-16 | 李美玲 | A kind of spiral cleaner unit |
| CN106139850A (en) * | 2016-08-26 | 2016-11-23 | 江苏中圣高科技产业有限公司 | A kind of energy-efficient gas-liquid coupling oxidation sweetening denitrification apparatus |
| CN206483325U (en) * | 2017-01-25 | 2017-09-12 | 大连铭晟环保设备有限公司 | Flue gas purifying equipment and flue gas purification system |
-
2017
- 2017-01-25 CN CN201710061259.0A patent/CN106731615A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797900Y (en) * | 2004-12-29 | 2006-07-19 | 国家环境保护总局华南环境科学研究所 | Wet type flue-gas purification equipment |
| CN201070572Y (en) * | 2007-08-14 | 2008-06-11 | 湖南大学 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
| US20090165652A1 (en) * | 2007-12-28 | 2009-07-02 | Haisibote ( Beijing ) Science And Technology Co., Ltd. | Purification device for flue gases |
| CN205683764U (en) * | 2016-06-03 | 2016-11-16 | 李美玲 | A kind of spiral cleaner unit |
| CN105903327A (en) * | 2016-06-14 | 2016-08-31 | 赵劲松 | Device achieving dedusting, desulfuration and denitration by means of acid and alkali potential water |
| CN106139850A (en) * | 2016-08-26 | 2016-11-23 | 江苏中圣高科技产业有限公司 | A kind of energy-efficient gas-liquid coupling oxidation sweetening denitrification apparatus |
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Application publication date: 20170531 |