CN109939555A - Efficiency controls haze integrated apparatus and flue gas purifying technique - Google Patents
Efficiency controls haze integrated apparatus and flue gas purifying technique Download PDFInfo
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- CN109939555A CN109939555A CN201910337583.XA CN201910337583A CN109939555A CN 109939555 A CN109939555 A CN 109939555A CN 201910337583 A CN201910337583 A CN 201910337583A CN 109939555 A CN109939555 A CN 109939555A
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- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
This application involves energy environment protection technical fields, control haze integrated apparatus and flue gas purifying technique more particularly, to a kind of efficiency, it includes: water curtain pond, flue gas desulfurization unit, denitrating flue gas unit and full hot and humid area unit that efficiency, which controls haze integrated apparatus,；Wherein, water curtain pond, flue gas desulfurization unit, denitrating flue gas unit and full hot and humid area unit are sequentially connected logical, haze integrated apparatus is controlled by efficiency provided by the present application, water curtain pond carries out initial water wash to flue gas, flue gas removes emphatically the sulfur dioxide in flue gas in flue gas desulfurization unit by way of spray, flue gas in denitration unit removes the oxynitrides in flue gas by way of spray, further removes the pollutant in flue gas；Full hot and humid area unit can effectively remove the moisture in flue gas, sufficiently achieve the white purpose that disappears；By way of multistage purification, the pollutant and moisture in flue gas are effectively removed, purification efficiency is improved.
Description
Technical field
This application involves energy environment protection technical fields, control haze integrated apparatus and gas cleaning more particularly, to a kind of efficiency
Technique.
Background technique
Currently, containing a large amount of particulate matter PM, sulfur dioxide SO in the flue gas that boiler combustion generates2, nitrogen oxides, will cause
Air pollution, so, adopt an effective measure reduce the pollutant emission of boiler smoke have to the sustainable development of society it is very heavy
The meaning wanted.In addition, in the prior art, after common wet desulphurization, the typically saturated wet flue gas of flue gas, the saturation of surrounding air
Humidity is relatively low, and coal-fired flue-gas can be made to generate " white cigarette " phenomenon at throat, includes a large amount of salts, the small liquid of sulfuric acid in white cigarette
Drop, gel dust, micronic dust, harm is very big, therefore, it is necessary to carry out the white processing that disappears to coal-fired flue-gas.But the prior art pair
The treatment process of flue gas generates flue gas to boiler combustion and carries out desulphurization denitration processing usually using normal wet, usual to " white cigarette "
It is handled using the method for condensation reheating, causes flue gas after processing that still there is greater energy consumption, purification efficiency is low.
Summary of the invention
A kind of efficiency of being designed to provide of the application controls haze integrated apparatus and flue gas purifying technique, to a certain degree
Upper energy consumption height after solving the fume treatment existing in the prior art generated to boiler combustion, the low technical problem of purification efficiency.
This application provides a kind of efficiencies to control haze integrated apparatus, comprising: water curtain pond, flue gas desulfurization unit, denitrating flue gas
Unit and full hot and humid area unit；Wherein, the water curtain pond, the flue gas desulfurization unit, the denitrating flue gas unit and
The full hot and humid area unit is sequentially connected logical；The water curtain pond is used to carry out initial water wash, and water to the flue gas of boiler emission
The flue gas after washing is circulated in the flue gas desulfurization unit；The flue gas desulfurization unit is used to carry out desulfurization to the flue gas
Processing, and the flue gas Jing Guo desulfurization process is circulated in the denitrating flue gas unit；The denitrating flue gas unit for pair
The flue gas carries out denitration process, and the flue gas Jing Guo denitration process is circulated in the full hot and humid area unit；It is described
For full hot and humid area unit for carrying out the white processing that disappears to the flue gas, the flue gas by the white processing that disappears arranges outwardly atmosphere.
In the above-mentioned technical solutions, further, it is provided with diaphragm plate in the water curtain pond, the water curtain pond is separated into
Upper space and down space, and the upper space is connected with the down space, the diaphragm plate makes to flow into the water curtain pond
The flue gas is able to carry out secondary washing.
In any of the above-described technical solution, further, the flue gas desulfurization unit include desulfurizing tower, the first water pump and
Desulfurization liquid pool；Wherein, the first spray head is provided at the top of the desulfurizing tower, first spray head and the desulfurization liquid pool are logical
The first pipeline is crossed to be connected；First water pump is arranged on first pipeline, and first water pump is for making the desulfurization
Doctor solution in liquid pool recycles between the desulfurization liquid pool and first spray head.
In any of the above-described technical solution, further, the denitrating flue gas unit include denitrating tower, the second water pump and
Denitration liquid pool；Wherein, the top of the denitrating tower is provided with the second spray head, and second spray head and the denitration liquid pool are logical
The second pipeline is crossed to be connected；Second water pump is arranged on second pipeline, and second water pump is for making the denitration
Denitration liquid in liquid pool recycles between the denitration liquid pool and second spray head.
In any of the above-described technical solution, further, the full hot and humid area unit is provided with smoke inlet, flue gas goes out
Mouth, the first air intake and the first air outlet slit；Wherein, the smoke inlet is connected with the outlet of the denitrating flue gas unit
Logical, the exhanst gas outlet is connected by chimney with the ambient atmosphere, and first air intake is connected with external environment,
First air outlet slit is connected with the boiler.
In any of the above-described technical solution, further, it further includes that the first temperature is clear that the efficiency, which controls haze integrated apparatus,
Pond, second temperature clear water reserviors, disappear White Tower and aqueous vapor heat exchange unit, and the temperature of the first temperature clear water reserviors is lower than described the
The temperature of two temperature clear water reserviors；Wherein, be provided with third spray head at the top of the described White Tower that disappears, the third spray head with it is described
First temperature clear water reserviors are connected by third pipeline, and third water pump is provided on the third pipeline, the third water pump
For recycling the clear water in the first temperature clear water reserviors between the first temperature clear water reserviors and the third spray head；
The smoke inlet of the described White Tower that disappears is connected with the exhanst gas outlet of the denitrating tower, the exhanst gas outlet of the described White Tower that disappears and described outer
Boundary's atmosphere is connected, and the water outlet of the described White Tower that disappears is connected with the second temperature clear water reserviors；The aqueous vapor heat exchange unit is set
It is equipped with water inlet, water outlet, second air intake and the second air outlet slit；Wherein, the water inlet and the second temperature
Clear water reserviors are connected, and the water outlet is connected with the first temperature clear water reserviors, the second air intake and the external world
Environment is connected, and second air outlet slit is connected with the boiler.
In any of the above-described technical solution, further, cascade is additionally provided between the desulfurizing tower and the denitrating tower
Flue, and moisture film water tank is provided with above the cascade flue；The moisture film water tank is connected with the cascade flue, is used for
Cascade is formed in the cascade flue.
In any of the above-described technical solution, further, it further includes sedimentation basin, filtering that the efficiency, which controls haze integrated apparatus,
Pond and clear water reserviors；Wherein, the sedimentation basin, the filtering ponds and the clear water reserviors are sequentially connected logical；The clear water reserviors are also
It is connected with the desulfurization liquid pool and the denitration liquid pool, for clear to the desulfurization liquid pool and denitration liquid pool supplement
Water；The sedimentation basin is also connected with the water curtain pond and the denitrating tower respectively, for accepting the water curtain pond and institute
State the waste liquid of denitrating tower outflow；The filtering ponds are used to filter the waste liquid in the sedimentation basin, and the waste liquid passes through institute
It is flow in the clear water reserviors after stating filtering ponds filtering.
This application provides a kind of flue gas purifying techniques, comprising the following steps:
S100, flue gas enter from the lower section in water curtain pond, enter flue gas desulfurization from the top in the water curtain pond after water curtain
Unit, the flue gas are sailed against the current in the flue gas desulfurization unit, are sprayed by doctor solution and are carried out desulfurization, dedusting；
S200, the flue gas flow out simultaneously after the flue gas desulfurization cell processing from the top of the flue gas desulfurization unit
Into in the first flue being arranged between the flue gas desulfurization unit and denitrating flue gas unit；The flue gas is in first cigarette
Change flow direction in road, from top to bottom, the bottom of the denitrating flue gas unit is flowed out into below first flue,
It sails against the current in the denitrating flue gas unit, is sprayed by denitration liquid and realize denitration, dedusting；
S300, the flue gas enter after the denitrating flue gas cell processing from the top of the denitrating flue gas unit complete
In hot and humid area unit, the flue gas carries out hot and humid area with air in the full hot and humid area unit, after cooling and dehumidification
The flue gas enters chimney from the full hot and humid area unit outflow cocurrent, forms flue gas access, arranges outwardly atmosphere.
In the above-mentioned technical solutions, further, between S100 and S200 further include:
The flue gas is in the flue gas desulfurization unit from the cigarette after the doctor solution spray in the desulfurization liquid pool
The top of desulfurization unit enters in cascade flue；The flue gas continues through de- in moisture film water tank in the cascade flue
The spray of sulphur liquid enters the denitrating flue gas unit from the lower section of the cascade flue after further desulfurization and dedusting；S200 with
Between S300 further include: the flue gas is in the denitrating flue gas unit from the denitrating flue gas after denitration liquid spray
It flows out and flows into the second flue being connected with the White Tower that disappears in the top of unit；The flue gas changes stream in second flue
To, from top to bottom enter described in disappear in White Tower, sailing against the current in the described White Tower that disappears is sprayed, the cigarette after cooling and dehumidification
Gas flows out from the described White Tower that disappears and flows into the chimney, forms the flue gas access, arranges outwardly atmosphere；It is also wrapped after S300
Include: outdoor air, which enters, carries out countercurrent spray in aqueous vapor heat exchange unit, flue gas heat in the White Tower that disappears described in recycling, after warming and humidifying
Air enter boiler auxiliary combustion.
Compared with prior art, the application has the beneficial effect that
Efficiency provided by the present application controls haze integrated apparatus, comprising: water curtain pond, flue gas desulfurization unit, denitrating flue gas unit
And full hot and humid area unit；Wherein, water curtain pond, flue gas desulfurization unit, denitrating flue gas unit and full hot and humid area unit according to
It is secondary to be connected；The flue gas generated after boiler combustion is enabled to enter the inside in water curtain pond from the smoke inlet in water curtain pond, and
The bottom in water curtain pond is arranged in the smoke inlet in water curtain pond, and the flue gas entered in water curtain pond is flowed from bottom to top and is worn
Water curtain is crossed, water curtain is enabled to carry out initial water wash, the preliminary pollutant removed in flue gas to flue gas；Across water curtain flue gas from
The exhanst gas outlet in water curtain pond flows out, and flows into the bottom of flue gas desulfurization unit and flowing of sailing against the current in flue gas desulfurization unit, cigarette
Gas carries out desulfurization spray in desulfurizing tower, after removing the polluters such as sulfur dioxide and the dust in flue gas, from flue gas desulfurization
The exhanst gas outlet of unit is flowed out and is flowed into denitrating flue gas unit along the bottom of denitrating flue gas unit, and flue gas is in denitrating flue gas unit
Inside flowing carries out denitration spray from bottom to top；Flue gas is sprayed in flue gas by denitration, and the oxynitrides removed in flue gas is gone forward side by side
It is flowed out after dust and other impurities in one step removal flue gas from the exhanst gas outlet of denitrating flue gas unit and flows into the complete wet friendship of heat
It changes in unit, flue gas carries out hot and humid area with air in full hot and humid area unit, carries out cooling and dehumidification to flue gas, removes flue gas
In aqueous vapor, sufficiently achieve the white purpose that disappears, through disappearing it is white treated that flue gas reaches discharge standard, atmosphere can be directly discharged to
In environment.
As it can be seen that efficiency provided by the present application controls haze integrated apparatus, initial water wash is carried out to flue gas by water curtain pond, it can
The polluter in flue gas is significantly removed, flue gas is removed in flue gas emphatically by way of spray in flue gas desulfurization unit
Sulfur dioxide, additionally it is possible to the further impurity such as dust in removal flue gas；The flue gas flowed into denitrating flue gas unit passes through spray
The mode of leaching focuses on to remove the oxynitrides in flue gas, additionally it is possible to dust further in removal flue gas and other are miscellaneous
Matter；Full hot and humid area unit can effectively remove the moisture in flue gas, sufficiently achieve the white purpose that disappears；Pass through the side of multistage purification
Formula effectively removes pollutant and moisture in flue gas, improves purification efficiency.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that efficiency provided by the embodiments of the present application controls haze integrated apparatus；
Fig. 2 is the another structural schematic diagram that efficiency provided by the embodiments of the present application controls haze integrated apparatus；
Fig. 3 is the top view that efficiency provided by the embodiments of the present application controls haze integrated apparatus；
Fig. 4 is the another structural schematic diagram that efficiency provided by the embodiments of the present application controls haze integrated apparatus；
Fig. 5 is the flow chart of flue gas purifying technique provided by the embodiments of the present application；
Fig. 6 is the another flow chart of flue gas purifying technique provided by the embodiments of the present application.
Appended drawing reference:
1- water curtain pond, 101- diaphragm plate, 2- flue gas desulfurization unit, 201- desulfurizing tower, the first water pump of 202-, 203- doctor solution
Pond, 3- denitrating flue gas unit, 301- denitrating tower, the second water pump of 302-, 303- denitration liquid pool, the full hot and humid area unit of 4-, 5-
One temperature clear water reserviors, 6- second temperature clear water reserviors, 7- disappear White Tower, 701- third water pump, 8- aqueous vapor heat exchange unit, 9- cascade cigarette
Road, 901- moisture film water tank, 10- sedimentation basin, 11- filtering ponds, 12- clear water reserviors, 13- chimney.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.
The component of the embodiment of the present application for usually describing and showing in attached drawing here can be with a variety of different configurations
To arrange and design.Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present application of protection is sought, but is merely representative of the selected embodiment of the application.
Based on the embodiment in the application, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Haze integrated apparatus is controlled referring to Fig. 1 to Fig. 6 description efficiency according to some embodiments of the application.
Embodiment one
Referring to shown in Fig. 1 to Fig. 3, embodiments herein provides a kind of efficiency and controls haze integrated apparatus, comprising: water curtain
Pond 1, flue gas desulfurization unit 2, denitrating flue gas unit 3 and full hot and humid area unit 4；Wherein, water curtain pond 1, flue gas desulfurization unit
2, denitrating flue gas unit 3 and full hot and humid area unit 4 are sequentially connected logical；Water curtain pond 1 is used to carry out the flue gas of boiler emission
Initial water wash, and the flue gas after washing is circulated in flue gas desulfurization unit 2；Flue gas desulfurization unit 2 is used to carry out desulfurization to flue gas
Processing, and the flue gas Jing Guo desulfurization process is circulated in denitrating flue gas unit 3；Denitrating flue gas unit 3 is for taking off flue gas
Nitre processing, and the flue gas Jing Guo denitration process is circulated in full hot and humid area unit 4；Full hot and humid area unit 4 is used for flue gas
The white processing that disappears is carried out, the flue gas by the white processing that disappears arranges outwardly atmosphere.
Efficiency provided by the present application controls haze integrated apparatus, comprising: water curtain pond 1, flue gas desulfurization unit 2, denitrating flue gas list
Member 3 and full hot and humid area unit 4；Wherein, water curtain pond 1, flue gas desulfurization unit 2, denitrating flue gas unit 3 and full hot and humid area
Unit 4 is sequentially connected logical；The flue gas generated after boiler combustion is enabled to enter water curtain pond 1 from the smoke inlet in water curtain pond 1
Inside, and the bottom in water curtain pond 1 is arranged in the smoke inlet in water curtain pond 1, enable the flue gas that enters in water curtain pond 1 from
Water curtain is flowed through on down, water curtain is enabled to carry out initial water wash, the preliminary pollutant removed in flue gas to flue gas；It passes through
The flue gas of water curtain is flowed out from the exhanst gas outlet in water curtain pond 1, flows into the bottom of flue gas desulfurization unit 2 and in flue gas desulfurization unit 2
Inside is sailed against the current flowing, and flue gas carries out desulfurization spray in desulfurizing tower 201, removes sulfur dioxide and dust etc. in flue gas
After impurity, is flowed out from the exhanst gas outlet of flue gas desulfurization unit 2 and flow into denitrating flue gas unit 3 along the bottom of denitrating flue gas unit 3
Interior, flowing carries out denitration spray to flue gas from bottom to top in denitrating flue gas unit 3；Flue gas is sprayed in flue gas by denitration, removal
Oxynitrides in flue gas simultaneously further removes the flue gas after dust and other impurities in flue gas from denitrating flue gas unit 3
Outlet outflow cocurrent enters in full hot and humid area unit 4, and flue gas carries out hot and humid area with air in full hot and humid area unit 4, right
Flue gas carries out cooling and dehumidification, removes the aqueous vapor in flue gas, sufficiently achieves the white purpose that disappears, and by disappearing, white treated that flue gas reaches
Discharge standard can be directly discharged in atmospheric environment.
As it can be seen that efficiency provided by the present application controls haze integrated apparatus, initial water wash, energy are carried out to flue gas by water curtain pond 1
Enough polluters significantly removed in flue gas, flue gas remove emphatically smoke abatement in flue gas desulfurization unit 2 by way of spray
Sulfur dioxide in gas, additionally it is possible to the further impurity such as dust in removal flue gas；The flue gas flowed into denitrating flue gas unit 3 is logical
Cross spray mode focus on remove flue gas in oxynitrides, additionally it is possible to further removal flue gas in dust and its
His impurity；Full hot and humid area unit 4 can effectively remove the moisture in flue gas, sufficiently achieve the white purpose that disappears；Pass through Multistage purifying
The mode of change effectively removes pollutant and moisture in flue gas, improves purification efficiency.
Wherein, optionally, the bottom in water curtain pond 1, flue gas of the flue gas from water curtain pond 1 is arranged in the smoke inlet in water curtain pond 1
Entrance flows into water curtain pond 1, and the top in water curtain pond 1 is arranged in the exhanst gas outlet in water curtain pond 1.
Wherein, optionally, the bottom of flue gas desulfurization unit 2, flue gas desulfurization is arranged in the smoke inlet of flue gas desulfurization unit 2
The top of flue gas desulfurization unit 2 is arranged in the exhanst gas outlet of unit 2, and flue gas is flowed into from the smoke inlet of flue gas desulfurization unit 2, from
The exhanst gas outlet of flue gas desulfurization unit 2 flows out.
Wherein, optionally, the bottom of denitrating flue gas unit 3, denitrating flue gas is arranged in the smoke inlet of denitrating flue gas unit 3
The top of denitrating flue gas unit 3 is arranged in the exhanst gas outlet of unit 3, and flue gas is flowed into from the smoke inlet of denitrating flue gas unit 3, from
The exhanst gas outlet of denitrating flue gas unit 3 flows out.
In this embodiment, as shown in Figures 1 to 4, it is provided with diaphragm plate 101 in water curtain pond 1, water curtain pond 1 is separated into
Upper space and down space, and upper space is connected with down space, the water lotion for washing flue gas is flowed from the top in water curtain pond 1
Enter, flow down to form water curtain in upper space, water curtain is fallen on first on diaphragm plate 101, and then proceeding to fall along diaphragm plate 101 flows into
In down space, water curtain pond 1 is finally flowed out, so that flue gas enters the water curtain first passed around in down space behind water curtain pond 1 and carries out once
Washing removes a large amount of polluters in flue gas, and flue gas rises in water curtain pond 1, carries out by the water curtain in upper space secondary
Washing further removes the polluter in flue gas.
In this embodiment, as depicted in figs. 1 and 2, flue gas desulfurization unit 2 include desulfurizing tower 201, the first water pump 202 with
And desulfurization liquid pool 203；Wherein, the top of desulfurizing tower 201 is provided with the first spray head, and the first spray head and desulfurization liquid pool 203 are logical
The first pipeline is crossed to be connected；First water pump 202 is arranged on the first pipeline, and the first water pump 202 is for making in desulfurization liquid pool 203
Doctor solution recycles between desulfurization liquid pool 203 and the first spray head, and doctor solution is recycled, and saves cost,
It also avoids discharging a large amount of doctor solutions simultaneously and causes environmental pollution.
Wherein, optionally, doctor solution is desulfurization medicament common in the art, and a variety of alkali compounds all can be used as de-
Sulphur agent removes the desulfurizing agent of sulfur dioxide in stack gases, using it is most be lime, lime stone and with the preparation of calcium carbonate medicament
Alkaline solution, those skilled in the art are fully able to understand, details are not described herein.
In this embodiment, as depicted in figs. 1 and 2, denitrating flue gas unit 3 include denitrating tower 301, the second water pump 302 with
And denitration liquid pool 303；Wherein, the top of denitrating tower 301 is provided with the second spray head, and the second spray head and denitration liquid pool 303 are logical
The second pipeline is crossed to be connected；Second water pump 302 is arranged on the second pipeline, and the second water pump 302 is for making in denitration liquid pool 303
Denitration liquid recycles between denitration liquid pool 303 and the second spray head, and denitration liquid is recycled, and saves cost,
It also avoids discharging a large amount of denitration liquids simultaneously and causes environmental pollution.
Wherein, optionally, denitration liquid is denitration medicament common in the art, and those skilled in the art are fully able to manage
Solution, details are not described herein.
In this embodiment, as shown in Figures 1 to 4, full hot and humid area unit 4 is provided with smoke inlet, exhanst gas outlet,
One air intake and the first air outlet slit；Wherein, smoke inlet is connected with the outlet of denitrating flue gas unit 3, exhanst gas outlet
It is connected by chimney 13 with ambient atmosphere, the first air intake is connected with external environment, the first air outlet slit and boiler phase
Connection, enables the flue gas by final process to be emitted into specified altitude by chimney 13, reaches discharge standard requirement, air
Outlet is connected by pipeline with boiler, and the air after warming and humidifying is used for combustion-supporting in boiler, makes full use of the white process generation that disappears
Waste heat.
Wherein, optionally, full hot and humid area unit 4 be distributary exchanger or counterflow exchange device common in the art,
It is that medium, flue gas and air pass through the full hot and humid area of Wind-proof, moisture-permeability film progress using Wind-proof, moisture-permeability film；Heat moisture exchanger is exactly entirely
By in A substance flue gas heat and water capacity exchange in B substance air, make air themperature increase, the increased equipment of water capacity,
For flue gas and air hot and humid area, make flue gas cool-down dehumidification, reach the white effect that disappears, certainly, is not limited only to this.
Embodiment two
It is improvement on the basis of embodiment one that efficiency in the present embodiment, which controls haze integrated apparatus, is disclosed in embodiment one
Technology contents not repeated description, one disclosure of embodiment also belongs to the present embodiment disclosure.
In this embodiment, as shown in Figures 1 to 4, it includes: water curtain pond 1, flue gas desulfurization list that efficiency, which controls haze integrated apparatus,
Member 2, denitrating flue gas unit 3 and full hot and humid area unit 4；And first temperature clear water reserviors 5, second temperature clear water reserviors 6, disappear it is white
Tower 7 and aqueous vapor heat exchange unit 8, the fluid temperature in the first temperature clear water reserviors 5 is lower than the liquid temperature in second temperature clear water reserviors 6
Degree, that is to say, that in this embodiment, the first temperature clear water reserviors 5 are low temperature clear water reserviors, and second temperature clear water reserviors 6 are that high temperature is clear
Pond；Wherein, water curtain pond 1, flue gas desulfurization unit 2, denitrating flue gas unit 3 and full hot and humid area unit 4 are sequentially connected logical, energy
It is enough that flue gas is purified step by step.
The disappear top of White Tower 7 is provided with third spray head, and third spray head and the first temperature clear water reserviors 5 pass through third pipeline
It is connected, and is provided with third water pump 701 on third pipeline, can be made in the first temperature clear water reserviors 5 by third water pump 701
Clear water circulated sprinkling between the first temperature clear water reserviors 5 and third spray head carries out cooling and dehumidification to flue gas, reaches the white mesh that disappears
's；During clear water sprays flue gas, clear water and flue gas carry out hot and humid area and work as clear water so that the clear water temperature flowed down can increase
When temperature rises to preassigned temperature value, to guarantee the white effect that disappears, high temperature clear water is drained to the second temperature by the second water outlet
It spends in clear water reserviors 6, feeds new low temperature clear water and continue the white spray that disappears；Disappear the smoke inlet of White Tower 7 and the cigarette of denitrating tower 301
Gas outlet is connected, and to flow by the flue gas of denitration process in the White Tower 7 that disappears and carries out the white processing that disappears；Disappear the cigarette of White Tower 7
Gas outlet is connected with ambient atmosphere, for will disappear it is white after reach the flue gas of discharge standard and be emitted into atmosphere via chimney 13.
The water inlet of aqueous vapor heat exchange unit 8 is connected with second temperature clear water reserviors 6 by the 4th pipeline, and is arranged on pipeline
There is the 4th water pump, enables the high temperature clear water in second temperature clear water reserviors 6 in second temperature clear water reserviors 6 and aqueous vapor heat exchange unit
It is recycled in 8, after heating by high temperature clear water to the air entered in aqueous vapor heat exchange unit 8, leads to combustion-supporting in boiler, raising
The efficiency of combustion of boiler, saves fuel to a certain extent；After the air heating in aqueous vapor heat exchange unit 8, high temperature clear water
Temperature reduces, and the low temperature clear water after reduction is drained to recycling in the first temperature clear water reserviors 5, saves great lot of water resources, avoids
Waste.
Wherein, optionally, aqueous vapor heat exchange unit 8 be distributary exchanger or counterflow exchange device common in the art, when
So, it is not limited only to this.
In this embodiment, as shown in Figures 2 to 4, cascade flue is additionally provided between desulfurizing tower 201 and denitrating tower 301
9, the top of cascade flue 9 is provided with moisture film water tank 901；The water inlet of moisture film water tank 901 passes through pipeline phase with desulfurization liquid pool 203
Connection, so that the doctor solution in desulfurization liquid pool 203 can also be flowed into and is stored in moisture film water tank 901；The bottom of moisture film water tank 901
Portion is provided with liquid distributor road, and liquid distributor road is connected with cascade flue 9, so that forming desulfurization cascade, flue gas in cascade flue 9
Enter in cascade flue 9 from the exhanst gas outlet of flue gas desulfurization unit 2 and is washed, it can be on the basis of flue gas desulfurization unit 2
The desulfurization to flue gas and dust removing effects are further strengthened, the purification efficiency of flue gas is improved.
In this embodiment, as shown in Fig. 2, efficiency control haze integrated apparatus further include sedimentation basin 10, filtering ponds 11 and
Clear water reserviors 12；Wherein, sedimentation basin 10, filtering ponds 11 and clear water reserviors 12 are sequentially connected logical；Clear water reserviors 12 also with desulfurization liquid pool 203
And denitration liquid pool 303 is connected, and clear water can be replenished in time into desulfurization liquid pool 203 and denitration liquid pool 303；Sedimentation basin 10
Also it is connected respectively with water curtain pond 1 and denitrating tower 301, for accepting the waste liquid in water curtain pond 1 and the outflow of denitrating tower 301, mistake
Filter tank 11 is flow in clear water reserviors 12 after being filtered processing to waste liquid, forms waterway circulating, so that this efficiency is controlled haze and integrally disguised
The use of each section liquid circulation is set, vast resources is saved, reduces waste, save the cost.
In this embodiment, as shown in Figures 1 to 4, between desulfurization liquid pool 203 and desulfurizing tower 201, moisture film water tank 901 with
Between desulfurization liquid pool 203, between denitrating tower 301 and denitration liquid pool 303, on the connecting line of multiple water pumps, desulfurization liquid pool 203 with
Between denitration liquid pool 303 and clear water reserviors 12, between denitrating tower 301 and sedimentation basin 10, disappear between White Tower 7 and sedimentation basin 10, water curtain
Different type, the monitoring instrument of different function are respectively arranged in connecting pipe and flue between pond 1 and sedimentation basin 10；It is more
A monitoring instrument by multi parameters control adjusting method, for monitor efficiency control the water of multiple monitoring points in haze integrated apparatus,
Air, the temperature of flue gas, humidity, flow velocity, pressure, water quality and soot dust granule object, oxynitrides and sulfur dioxide concentration it is more
Kind information utilizes a variety of monitor control indexes control water, air, the thermal parameters of flue gas and flue gas pollutant to discharge parameter, control system
System whole year and variable parameter operation.
Wherein, optionally, monitoring instrument can be temperature, pressure instrument common in the art, flow instrument, monitoring
Soot dust granule object and the instrument of nitrogen oxides and sulfur dioxide concentration etc. are selected according to setting position and the information to be acquired
Select the detecting instrument of corresponding function.
Embodiment three
As shown in Figure 1 and Figure 5, embodiments herein provides a kind of flue gas purifying technique, comprising the following steps:
S100, flue gas enter from the lower section in water curtain pond 1, enter flue gas desulfurization list from the top in water curtain pond 1 after water curtain
Member 2, flue gas is sailed against the current in flue gas desulfurization unit 2, is sprayed by doctor solution and is carried out desulfurization, dedusting；
S200, flue gas flow out into setting from the top of flue gas desulfurization unit 2 after the processing of flue gas desulfurization unit 2 and exist
In the first flue between flue gas desulfurization unit 2 and denitrating flue gas unit 3；Flue gas changes flow direction in the first flue, from upper and
Under, the bottom of denitrating flue gas unit 3 is flowed out into below the first flue, is sailed against the current in denitrating flue gas unit 3, is passed through
It crosses denitration liquid spray and realizes denitration, dedusting；
S300, flue gas enter full hot and humid area unit 4 from the top of denitrating tower 301 after the processing of denitrating flue gas unit 3
Interior, flue gas carries out hot and humid area with air in full hot and humid area unit 4, and the flue gas after cooling and dehumidification is from full hot and humid area unit
4 flow out and flow into chimney 13, form flue gas access, arrange outwardly atmosphere.
In this embodiment, flue gas initially enters water curtain pond 1, is carried out at the washing of desulfurization water curtain twice in water curtain pond 1
Reason removes most of pollutants such as sulfide and dust in flue gas；Flue gas flows out from water curtain pond 1 and flows into flue gas desulfurization unit
Fine desulfurization process is carried out in 2, further removes the pollutants such as sulfide and the dust in flue gas；After desulfurization process,
Flue gas, which flows into, carries out fine denitration process in denitrating flue gas unit 3, the flue gas for removing pollutant flows into full hot and humid area unit 4
Carry out cooling and dehumidification, achieve the effect that disappear white, disappear it is white after flue gas do not remove only pollutant therein and reach discharge standard, also
The white processing that disappears can visually be completed.
Example IV
As shown in Fig. 2, Fig. 5 and Fig. 6, embodiments herein provides another flue gas purifying technique, the present embodiment
In flue gas purifying technique be improvement on the basis of embodiment three, technology contents not repeated description disclosed in embodiment one,
One disclosure of embodiment also belongs to the present embodiment disclosure.
In this embodiment, as shown in fig. 6, between S100 and S200 further include:
Flue gas enters cascade cigarette from the top of flue gas desulfurization unit 2 after doctor solution sprays in flue gas desulfurization unit 2
Road 9；Flue gas continues through the spray of the doctor solution in moisture film water tank 901 in cascade flue 9, from water after further desulfurization and dedusting
The lower section of curtain flue 9 enters denitrating flue gas unit 3；
Between S200 and S300 further include:
Flue gas is flowed out and is flowed into from the top of denitrating flue gas unit 3 after denitration liquid sprays in denitrating flue gas unit 3
In the second flue being connected with the White Tower 7 that disappears；Flue gas changes flow direction in the second flue, from top to bottom, into disappearing in White Tower 7,
It sails against the current and is sprayed in the White Tower 7 that disappears, the flue gas after cooling and dehumidification flows out and flow into chimney 13 from the White Tower 7 that disappears, and forms cigarette
Gas access arranges outwardly atmosphere；
After S300 further include:
Outdoor air, which enters, carries out countercurrent spray in aqueous vapor heat exchange unit 8, recycle flue gas heat in the White Tower 7 that disappears, and heating adds
Air after wet enters boiler auxiliary combustion.
In this embodiment, flue gas initially enters water curtain pond 1, is carried out at the washing of desulfurization water curtain twice in water curtain pond 1
Reason removes most of pollutants such as sulfide and dust in flue gas；Flue gas flows out from water curtain pond 1 and flows into flue gas desulfurization unit
Fine desulfurization process is carried out in 2, flue gas is flowed out into from flue gas desulfurization unit 2 to cascade flue 9, carries out desulfurization to flue gas
Spray, further removes the pollutants such as sulfide and the dust in flue gas, and flue gas enters flue gas after the spray of cascade flue 9
Fine denitration process is carried out in denitration unit 3, after removing the polluters such as oxynitrides and the dust in flue gas, by the
Two flues, which enter to disappear, carries out the white processing that disappears in White Tower 7, disappears to flue gas and reaches discharge standard after white processing, flue gas can pass through chimney
13 are emitted into atmosphere；Aqueous vapor heat exchange unit 8 is connected with second temperature clear water reserviors 6, and from disappearing, White Tower 7 flows into second temperature clear water reserviors
High-temperature water in 6 outdoor air entered in hydro-thermal unit can be carried out warming and humidifying and being drained in boiler carry out it is combustion-supporting,
The efficiency of combustion for improving boiler, saves fuel cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of efficiency controls haze integrated apparatus characterized by comprising water curtain pond, flue gas desulfurization unit, denitrating flue gas unit
And full hot and humid area unit；
Wherein, the water curtain pond, the flue gas desulfurization unit, the denitrating flue gas unit and the full hot and humid area unit according to
It is secondary to be connected；
The water curtain pond is used to carry out initial water wash to the flue gas of boiler emission, and the flue gas after washing is circulated to the cigarette
In desulfurization unit；
The flue gas desulfurization unit is used to carry out desulfurization process to the flue gas, and the flue gas Jing Guo desulfurization process is circulated to
In the denitrating flue gas unit；
The denitrating flue gas unit is used to carry out denitration process to the flue gas, and the flue gas Jing Guo denitration process is circulated to
In the full hot and humid area unit；
For the full hot and humid area unit for carrying out the white processing that disappears to the flue gas, the flue gas row by the white processing that disappears is outside
Boundary's atmosphere.
2. efficiency according to claim 1 controls haze integrated apparatus, which is characterized in that be provided with tabula in the water curtain pond
The water curtain pond is separated into upper space and down space by plate, and the upper space is connected with the down space, the diaphragm plate
The flue gas flowed into the water curtain pond is set to be able to carry out secondary washing.
3. efficiency according to claim 1 controls haze integrated apparatus, which is characterized in that the flue gas desulfurization unit includes de-
Sulphur tower, the first water pump and desulfurization liquid pool；
Wherein, it is provided with the first spray head at the top of the desulfurizing tower, first spray head and the desulfurization liquid pool pass through the
One pipeline is connected；First water pump is arranged on first pipeline, and first water pump is for making the desulfurization liquid pool
In doctor solution recycled between the desulfurization liquid pool and first spray head.
4. efficiency according to claim 3 controls haze integrated apparatus, which is characterized in that the denitrating flue gas unit includes de-
Nitre tower, the second water pump and denitration liquid pool；
Wherein, the top of the denitrating tower is provided with the second spray head, and second spray head and the denitration liquid pool pass through the
Two pipelines are connected；Second water pump is arranged on second pipeline, and second water pump is for making the denitration liquid pool
In denitration liquid recycled between the denitration liquid pool and second spray head.
5. efficiency according to claim 1 controls haze integrated apparatus, which is characterized in that the full hot and humid area unit setting
There are smoke inlet, exhanst gas outlet, the first air intake and the first air outlet slit；
Wherein, the smoke inlet is connected with the denitrating flue gas unit, and the exhanst gas outlet passes through chimney and the external world
Atmosphere is connected, and first air intake is connected with external environment, and first air outlet slit is connected with the boiler.
6. efficiency according to claim 5 controls haze integrated apparatus, which is characterized in that the efficiency controls haze integrated apparatus
It further include the first temperature clear water reserviors, second temperature clear water reserviors, disappear White Tower and aqueous vapor heat exchange unit, the first temperature clear water reserviors
Temperature be lower than the second temperature clear water reserviors temperature；
Wherein, third spray head, the third spray head and the first temperature clear water reserviors are provided at the top of the described White Tower that disappears
It is connected by third pipeline, and is provided with third water pump on the third pipeline, the third water pump is for making described first
Clear water in temperature clear water reserviors recycles between the first temperature clear water reserviors and the third spray head；The cigarette of the described White Tower that disappears
Gas entrance is connected with the exhanst gas outlet of the denitrating flue gas unit, the exhanst gas outlet of the described White Tower that disappears and the ambient atmosphere phase
Connection, the water outlet of the described White Tower that disappears are connected with the second temperature clear water reserviors；
The aqueous vapor heat exchange unit is provided with water inlet, water outlet, second air intake and the second air outlet slit；Wherein, institute
It states water inlet to be connected with the second temperature clear water reserviors, the water outlet is connected with the first temperature clear water reserviors, described
Second air intake is connected with the external environment, and second air outlet slit is connected with the boiler.
7. efficiency according to claim 1 controls haze integrated apparatus, which is characterized in that the flue gas desulfurization unit with it is described
It is additionally provided with cascade flue between denitrating flue gas unit, and is provided with moisture film water tank above the cascade flue；The moisture film
Water tank is connected with the cascade flue, for forming cascade in the cascade flue.
8. efficiency according to claim 4 controls haze integrated apparatus, which is characterized in that the efficiency controls haze integrated apparatus
It further include sedimentation basin, filtering ponds and clear water reserviors；Wherein, the sedimentation basin, the filtering ponds and the clear water reserviors successively phase
Connection；
The clear water reserviors are also connected with the desulfurization liquid pool and the denitration liquid pool, are used for the desulfurization liquid pool and institute
State denitration liquid pool supplement clear water；
The sedimentation basin is also connected with the water curtain pond and the denitrating flue gas unit respectively, for accepting the water curtain pond
And the waste liquid of the denitrating flue gas unit outflow；
The filtering ponds are used to filter the waste liquid in the sedimentation basin, and the waste liquid flows after filtering ponds filtering
To in the clear water reserviors.
9. a kind of flue gas purifying technique, which comprises the following steps:
S100, flue gas enter from the lower section in water curtain pond, enter flue gas desulfurization unit from the top in the water curtain pond after water curtain,
The flue gas is sailed against the current in the flue gas desulfurization unit, is sprayed by doctor solution and is carried out desulfurization, dedusting；
S200, the flue gas flow out into above the flue gas desulfurization unit after the flue gas desulfurization cell processing
It is arranged in the first flue between the flue gas desulfurization unit and denitrating flue gas unit；The flue gas is in first flue
Change flow direction, from top to bottom, the bottom of the denitrating flue gas unit is flowed out into below first flue, described
It sails against the current in denitrating flue gas unit, is sprayed by denitration liquid and realize denitration, dedusting；
S300, the flue gas enter in full hot and humid area unit after denitration process from the top of the denitrating flue gas unit,
The flue gas carries out hot and humid area with air in the full hot and humid area unit, and the flue gas after cooling and dehumidification is from described complete
Hot and humid area unit outflow cocurrent enters chimney, forms flue gas access, arranges outwardly atmosphere.
10. flue gas purifying technique according to claim 9, which is characterized in that between S100 and S200 further include:
The flue gas is de- from the flue gas after the doctor solution spray in the desulfurization liquid pool in the flue gas desulfurization unit
The top of sulphur unit enters in cascade flue；The flue gas is continued through in the cascade flue and is stored in moisture film water tank
The spray of doctor solution enters the denitrating flue gas unit from the lower section of the cascade flue after further desulfurization and dedusting；
Between S200 and S300 further include:
The flue gas is in the denitrating flue gas unit from the top of the denitrating flue gas unit after denitration liquid spray
It flows out and flows into the second flue being connected with the White Tower that disappears；The flue gas changes flow direction in second flue, from upper and
Disappear in White Tower described in lower entrance, sail against the current and sprayed in the described White Tower that disappears, the flue gas after cooling and dehumidification is from described
The White Tower that disappears flows out and flows into the chimney, forms the flue gas access, arranges outwardly atmosphere；
After S300 further include:
Outdoor air, which enters, carries out countercurrent spray in aqueous vapor heat exchange unit, flue gas heat in the White Tower that disappears described in recycling, warming and humidifying
Air afterwards enters boiler auxiliary combustion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110578929A (en) * | 2019-08-29 | 2019-12-17 | 北京清投环能科技有限公司 | Waste heat recovery boiler integrated device and control method thereof |
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