CN106439879B - A kind of Industrial Boiler denitrating system - Google Patents

A kind of Industrial Boiler denitrating system Download PDF

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Publication number
CN106439879B
CN106439879B CN201610537540.2A CN201610537540A CN106439879B CN 106439879 B CN106439879 B CN 106439879B CN 201610537540 A CN201610537540 A CN 201610537540A CN 106439879 B CN106439879 B CN 106439879B
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CN
China
Prior art keywords
denitration
industrial boiler
desulfuration absorbing
absorbing tower
boiler denitrating
Prior art date
Application number
CN201610537540.2A
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Chinese (zh)
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CN106439879A (en
Inventor
杨维民
李银泉
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佛山市信利成机电设备有限公司
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Priority to CN201610537540.2A priority Critical patent/CN106439879B/en
Publication of CN106439879A publication Critical patent/CN106439879A/en
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Publication of CN106439879B publication Critical patent/CN106439879B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 by absorption
    • B01D53/1456Removing acid components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/10Nitrogen; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/20Sulfur; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/50Intercepting solids by cleaning fluids (washers or scrubbers)

Abstract

The invention discloses a kind of Industrial Boiler denitrating systems, pass through denitration mechanism, the setting of smoke absorption pipeline, desulfuration absorbing tower, underground type spraying and dedusting flue and gas analyzer, the pollutants such as sulfide, nitrogen oxides and the dust in Industrial Boiler discharge exhaust gas can not only be removed, and the exhaust mass that can be monitored in real time that treated, and adjustment is carried out according to the monitoring data of gas analyzer, optimal exhaust-gas treatment effect can be reached.Industrial Boiler denitrating system of the invention, including denitration mechanism, smoke absorption pipeline, desulfuration absorbing tower, underground type spraying and dedusting flue and gas analyzer;Denitration mechanism includes fluid reservoir, suction pump, conveyance conduit and control module, and wherein the liquid outlet of conveyance conduit is arranged on to denitration device, and fluid reservoir, suction pump and conveyance conduit are sequentially connected;Desulfuration absorbing tower includes that internal spray head and two dispersion impellers, delivery pump and liquid storage tank, spray head, delivery pump and liquid storage tank is from top to bottom arranged in be sequentially connected.

Description

A kind of Industrial Boiler denitrating system

Technical field

The present invention relates to machinery field more particularly to a kind of Industrial Boiler denitrating systems.

Background technique

Industrial Boiler product is divided to two kinds, first is that steam, for generating electricity, or gas supply, for example chemical fertilizer factory can be vaporized with steam, Using coal as raw material, chemical fertilizer is synthesized, here it is typical Industrial Boiler, Industrial Boiler is still in the great majority with fire coal, and the one of combustion gas As be waste heat boiler for recycling waste heat.

Within the following quite a long time, coal-burned industrial boiler will be the leading products in China, and with middle great Rong It is in the majority to measure (separate unit evaporation capacity >=10t/h).But coal-burning boiler can generate serious environmental pollution, such as coal-burning boiler ejects Just contain a large amount of sulfur dioxide, flue dust and nitrogen oxides in exhaust gas, if these exhaust gas for containing a large amount of polluted gas are direct If being discharged into atmosphere, serious pollution can be caused to air environment, but also will affect the life of factory's nearby residents.It is existing Have in technology, generally handled by the way of direct emission, also there is part to make a return journey using ammonium hydroxide the nitrogen oxidation in removing exhaust gas Object, but since ammonium hydroxide is unstable, nor the sulfide in removing exhaust gas can be removed, therefore still contain in the exhaust gas of coal-burned industrial boiler There is a large amount of pollutant.

Therefore, for above situation, the processing equipment or method of existing Industrial Boiler exhaust gas how are improved, so as to solve Certainly above-mentioned problem becomes those skilled in the art's important technological problems urgently to be resolved.

Summary of the invention

The invention discloses a kind of Industrial Boiler denitrating systems, are absorbed by denitration mechanism, smoke absorption pipeline, desulfurization The setting of tower, underground type spraying and dedusting flue and gas analyzer can not only remove the vulcanization in Industrial Boiler discharge exhaust gas The pollutants such as object, nitrogen oxides and dust, and the exhaust mass that can be monitored in real time that treated, and according to gas analyzer Monitoring data carry out adjustment, can reach optimal exhaust-gas treatment effect.

Industrial Boiler denitrating system provided by the invention, including denitration mechanism, smoke absorption pipeline, desulfuration absorbing tower, Following formula spraying and dedusting flue and gas analyzer;

The denitration mechanism includes fluid reservoir, suction pump, conveyance conduit and control module, wherein the conveyance conduit goes out Liquid mouth is arranged on to denitration device, and the fluid reservoir, the suction pump and the conveyance conduit are sequentially connected;

One end setting of the smoke absorption pipeline described on denitration device, the other end and the desulfuration absorbing tower Entrance connection, for by it is described to denitration device generate smoke absorption and be delivered to the desulfuration absorbing tower;

The desulfuration absorbing tower includes that internal jet head and two dispersion impellers, delivery pump and liquid storage is from top to bottom arranged in Pond, the jet head, the delivery pump and the liquid storage tank are sequentially connected, and two dispersion impellers are for dispersing liquid;

The underground type spraying and dedusting flue setting is connected in underground, and with the outlet of the desulfuration absorbing tower, including takes out Blower, several spray heads and dust-removing flue, the exhaust fan are arranged in the desulfuration absorbing tower and the underground type spraying and dedusting cigarette On the link position in road, the spray head is arranged inside the dust-removing flue;

The gas analyzer is mounted in the outlet of the underground type spraying and dedusting flue, and with the denitration mechanism and The desulfuration absorbing tower, for being detected to treated exhaust gas.

Preferably,

The liquid level sensor being connected with the control module is provided in the fluid reservoir.

Preferably,

The flowmeter and/or electricity being connected with the control module are provided on the suction pump and/or the conveyance conduit Sub- valve.

Preferably,

The medicament mixing module being connected with the control module is provided in the fluid reservoir, for controlling mixing denitrfying agent Concentration.

Preferably,

The Industrial Boiler denitrating system further includes and the denitration mechanism, the desulfuration absorbing tower and the gas analysis The remote control module of instrument connection.

Preferably,

The remote control module includes one of Network Interface Module, WIFI module or wireless communication module or more Kind.

Preferably,

The wireless communication module includes one of gsm communication module, 3G communication module or 4G communication module or a variety of.

Preferably,

It is described to denitration device be coal-burned industrial boiler.

Preferably,

It is described to denitration device be kiln, chain grate furnace and spray tower.

Preferably,

The Industrial Boiler denitrating system includes Liang Tao denitration mechanism, air-introduced machine, spraying and dedusting room and circulating water pool;

Two sets of denitration mechanisms are separately positioned on the kiln and the chain grate furnace;

The spray tower is connect with the chain grate furnace, and the bottom of the spray tower is arranged in the suction opening of the air-introduced machine;

The air-introduced machine, the spraying and dedusting room and the desulfuration absorbing tower are sequentially connected;

The spraying and dedusting room is connect with the circulating water pool.

Industrial Boiler denitrating system provided by the invention passes through denitration mechanism to denitration device injection denitrfying agent first Mode is made a return journey the nitrogen oxides in removing exhaust gas, then by the exhaust gas by the processing of denitration mechanism by smoke absorption pipeline extremely Desulfuration absorbing tower is handled the sulfide in exhaust gas by desulfuration absorbing tower, and then underground type spraying and dedusting flue extracts de- The exhaust gas being disposed in sulphur absorption tower, and spray process is carried out to exhaust gas, the gas in exhaust gas is cooled down and removes dust, Last gas analyzer is monitored exhaust gas after treatment.It is absorbed by denitration mechanism, smoke absorption pipeline, desulfurization The setting of tower, underground type spraying and dedusting flue and gas analyzer, Industrial Boiler denitrating system of the invention can not only remove Industrial Boiler discharges the pollutants such as sulfide, nitrogen oxides and dust in exhaust gas, and it is useless to can be monitored in real time that treated Makings amount, and adjustment is carried out according to the monitoring data of gas analyzer, optimal exhaust-gas treatment effect can be reached.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the structural schematic diagram of Industrial Boiler denitrating system embodiment of the present invention;

Fig. 2 is the structural schematic diagram of Industrial Boiler denitrating system embodiment denitration of the present invention mechanism 1;

Fig. 3 is the structural schematic diagram of Industrial Boiler denitrating system embodiment desulfuration absorbing tower 3 of the present invention;

Fig. 4 is the structural schematic diagram that Industrial Boiler denitrating system embodiment of the present invention includes remote control module 6;

Fig. 5 is the knot that Industrial Boiler denitrating system embodiment of the present invention includes kiln 002, chain grate furnace 003 and spray tower 004 Structure schematic diagram;

It is wherein A to denitration device.

Specific embodiment

The invention discloses a kind of Industrial Boiler denitrating systems, are absorbed by denitration mechanism, smoke absorption pipeline, desulfurization The setting of tower, underground type spraying and dedusting flue and gas analyzer can not only remove the vulcanization in Industrial Boiler discharge exhaust gas The pollutants such as object, nitrogen oxides and dust, and the exhaust mass that can be monitored in real time that treated, and according to gas analyzer Monitoring data carry out adjustment, can reach optimal exhaust-gas treatment effect.

With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear and detailed Description, it is clear that described embodiment is only a part of the embodiments of the present invention, rather than whole embodiments.Based on this Embodiment in invention, all other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.Fig. 1 to Fig. 5 is please referred to, is Industrial Boiler denitrating system of the invention, including de- Nitre mechanism 1, smoke absorption pipeline 2, desulfuration absorbing tower 3, underground type spraying and dedusting flue 4 and gas analyzer 5;

The denitration mechanism 1 includes fluid reservoir 11, suction pump 12, conveyance conduit 13 and control module 14, wherein described defeated The liquid outlet of pipeline 13 is sent to be arranged on to denitration device, the fluid reservoir 11, the suction pump 12 and the conveyance conduit 13 It is sequentially connected;

One end setting of the smoke absorption pipeline 2 described on denitration device, the other end and the desulfuration absorbing tower 3 Entrance connection, for by it is described to denitration device generate smoke absorption and be delivered to the desulfuration absorbing tower 3;

The desulfuration absorbing tower 3 includes that internal jet head 31 and two dispersion impellers 32, delivery pumps is from top to bottom arranged in 33 and liquid storage tank 34, the jet head 31, the delivery pump 33 and the liquid storage tank 34 be sequentially connected, two dispersion impellers 32 For liquid to be dispersed;

The setting of underground type spraying and dedusting flue 4 is connected in underground, and with the outlet of the desulfuration absorbing tower 3, including Exhaust fan 41, several spray heads 42 and dust-removing flue 43, the setting of exhaust fan 41 is in the desulfuration absorbing tower 3 and the underground type On the link position of spraying and dedusting flue 43, the spray head 42 is arranged inside the dust-removing flue 43;

The gas analyzer 5 is mounted in the outlet of the underground type spraying and dedusting flue 4, and with the denitration mechanism 1 and the desulfuration absorbing tower 3, for being detected to treated exhaust gas.

Industrial Boiler denitrating system of the invention when work, sprays denitration to denitration device by denitration mechanism 1 first The mode of agent is made a return journey the nitrogen oxides in removing exhaust gas, specifically, suction pump 12 extracts denitrfying agent, control module 14 from fluid reservoir 11 It controls conveyance conduit 13 and sprays denitrfying agent to denitration device, it includes control conveying that above-mentioned control module 14, which controls conveyance conduit 13, The uninterrupted that pipeline 13 sprays;Then the exhaust gas handled by denitration mechanism 1 is delivered to desulfurization by smoke absorption pipeline 2 Absorption tower 3 is handled the sulfide in exhaust gas by desulfuration absorbing tower 3, specifically, delivery pump 33 is from 34 extract of liquid storage tank Body, above-mentioned liquid are specifically as follows doctor solution, are then sprayed liquid at the top of desulfuration absorbing tower 3 by jet head 31, and Liquid is separated by two dispersion impellers 32 setting up and down it is mist-like, so as to efficiently be carried out to the sulfide in exhaust gas Processing;Then underground type spraying and dedusting flue 4 extracts the exhaust gas being disposed in desulfuration absorbing tower, and carries out at spray to exhaust gas Gas in exhaust gas is cooled down and removes dust by reason, specifically, the exhaust gas that exhaust fan 41 will be handled by desulfuration absorbing tower 3 It pumps to underground type spraying and dedusting flue 4, spray then is carried out to exhaust gas by the spray head 42 that 43 inside of dust-removing flue is arranged in Reason;Last gas analyzer is monitored exhaust gas after treatment.

It should be noted that can be carried out to monitoring data after gas analyzer is monitored exhaust gas after treatment Analysis, then adjusts denitration mechanism 1, desulfuration absorbing tower 3 and underground type spraying and dedusting flue 4, for example, gas based on the analysis results Body analyzer monitors that the amount of nitrogen oxides in exhaust gas is exceeded, then can be adjusted to denitration mechanism 1, can specifically be turned up The flow of conveyance conduit 13, or the concentration of denitrfying agent in fluid reservoir 11 is turned up;Gas analyzer monitors the sulfide in exhaust gas Content is far below acceptability limit, then can be adjusted to desulfuration absorbing tower 3, can specifically reduce the spray volume of jet head 31, Or the concentration of doctor solution in liquid storage tank 34 is reduced, to save cost.That is, Industrial Boiler denitrating system of the invention is closed loop control The system of system, system Nei Ge mechanism can carry out it is intelligent automatic regulated, to reach optimum efficiency, here without limitation.

Preferably,

The liquid level sensor 15 being connected with the control module 14 is provided in the fluid reservoir 11.

In Industrial Boiler denitrating system of the invention, fluid reservoir 11 can also include liquid level sensor 15, liquid level sensor 15 can monitor the liquid level of denitrfying agent in fluid reservoir 11 in real time, so that user can deal with or production plan in time.

Preferably,

The flowmeter 16 being connected with the control module is provided on the suction pump 12 and/or the conveyance conduit 13 And/or electronic valve 17.

It should be noted that being arranged on suction pump 12 and/or conveyance conduit 13 in Industrial Boiler denitrating system of the invention It is connected to the control module flowmeter 16 and/or electronic valve 17, flowmeter 16 and/or electronic valve 17 are arranged, Neng Goujing Denitration mechanism 1 is really controlled in the liquid outlet quantity of each position, and the state of suction pump 12 and conveyance conduit 13 can be carried out real When monitor, especially denitration mechanism 1 break down when, the position of fault point can be quickly known, when can save maintenance maintenance Between.

Preferably,

The medicament mixing module 18 being connected with the control module 14 is provided in the fluid reservoir 11, for controlling mixing The concentration of denitrfying agent.

Denitration mechanism 1 of the invention when specific works, can first pass through medicament mixing module 18 and deploy the dense of denitrfying agent Then degree controls 13 uninterrupted of revolving speed or conveyance conduit of suction pump 12, by flowmeter 16 and/or electronic valve 17 to reach To accurate control.

Preferably,

The Industrial Boiler denitrating system further includes and the denitration mechanism 1, the desulfuration absorbing tower 3 and the gas divide The remote control module 6 that analyzer 5 connects.

Preferably,

The remote control module 6 includes one of Network Interface Module, WIFI module or wireless communication module or more Kind.

Preferably,

The wireless communication module includes one of gsm communication module, 3G communication module or 4G communication module or a variety of.

Industrial Boiler denitrating system of the invention can also include remote control module 6, by remote control module 6, no But user can be capable of the operating status of timely learning Industrial Boiler denitrating system, and can be realized Industrial Boiler denitrating system Automatically monitoring operation data is remotely sent to designated computer or client, specifically, every supervised will can be acquired in real time It surveys parameter data values record, storage, form day, the moon, year report, the various charts such as generation historical trend, fault alarm etc., simultaneously Relevant department is transferred to by 6 data sheet of remote control module;In addition, user can also realize Industrial Boiler denitrating system Long-range control, such as the starting or closing of long-range control Industrial Boiler denitrating system;It further, can be by Industrial Boiler denitration System and other equipment form Internet of things system, and then realize whole control and the automatic governing of each equipment, do not limit here It is fixed.

Preferably,

It is described to denitration device be coal-burned industrial boiler 001.

It should be noted that Industrial Boiler denitrating system of the invention is mainly used in Industrial Boiler, such as coal-fired industry Boiler can remove the pollutants such as sulfide, nitrogen oxides and the dust in coal-burned industrial boiler discharge exhaust gas, and can be real When monitoring treated exhaust mass, and carry out adjustment according to the monitoring data of gas analyzer 5, can reach optimal Exhaust-gas treatment effect.

But should be noted that, Industrial Boiler denitrating system of the invention is in addition to can be applied to it in Industrial Boiler Outside, it can also apply among the exhaust-gas treatment of other industrial equipments, such as can be used in Production of Ceramics kiln, here not It limits.

Preferably,

It is described to denitration device be kiln 002, chain grate furnace 003 and spray tower 004.

Preferably,

The Industrial Boiler denitrating system includes Liang Tao denitration mechanism 1, air-introduced machine 7, spraying and dedusting room 8 and circulating water pool 9;

Two sets of denitration mechanisms 1 are separately positioned on the kiln 002 and the chain grate furnace 003;

The spray tower 004 is connect with the chain grate furnace 003, and the suction opening of the air-introduced machine 7 is arranged in the spray tower 004 bottom;

The air-introduced machine 7, the spraying and dedusting room 8 and the desulfuration absorbing tower 3 are sequentially connected;

The spraying and dedusting room 8 is connect with the circulating water pool 9.

Industrial Boiler denitrating system of the invention can be also used in kiln 002, chain grate furnace 003 and spray tower 004, wherein Chain grate furnace 003 and spray tower 004 are used to dry ceramic slurry as ceramic powder, so that kiln 002 uses, specifically, industrial Denitration in Boiler system may include Liang Tao denitration mechanism 1, air-introduced machine 7, spraying and dedusting room 8 and circulating water pool 9;Wherein two sets of denitrations Mechanism 1 is separately positioned on kiln 002 and chain grate furnace 003;Spray tower 004 is connect with chain grate furnace 003, the suction opening of air-introduced machine 7 The bottom of spray tower 004 is set;Air-introduced machine 7, spraying and dedusting room 8 and desulfuration absorbing tower 3 are sequentially connected;Spraying and dedusting room 8 with The circulating water pool 9 connects.When work, waste gas treatment process is consistent with waste gas treatment process in Industrial Boiler in kiln 002, right In chain grate furnace 003 and spray tower 004, the nitrogen oxides that denitration mechanism 1 first generates chain grate furnace 003 is removed, then draws Blower 7 is evacuated the bottom of spray tower 004, and negative pressure is formed on 004 bottom of spray tower for being, the heat that chain grate furnace 003 generates is empty Gas enters spray tower 004, and hot-air enters spraying and dedusting room 8 after ceramic slurry is dried, cools down to hot-air It handles and dust is handled, be then passed through the exhaust gas after spraying and dedusting room 8 is handled and enter the progress desulfurization of desulfuration absorbing tower 3 Processing, is finally handled by underground type spraying and dedusting flue 4 and gas analyzer 5.

In Industrial Boiler denitrating system of the present invention, the dust-removing flue 43 of underground type spraying and dedusting flue 4 is arranged in underground, Except this aspect can guarantee that the work of underground type spraying and dedusting flue 4 is not influenced by environment such as solarizations, it can also improve ground Industrial Boiler denitrating system of the present invention can be additionally greatly lowered to the cooling effect of exhaust gas in following formula spraying and dedusting flue 4 Land occupation requirement, and then can adapt to different site requirements.

Industrial Boiler denitrating system provided by the invention passes through denitration mechanism 1 to denitration device injection denitrfying agent first Mode is made a return journey the nitrogen oxides in removing exhaust gas, will then be conveyed by the exhaust gas that denitration mechanism 1 is handled by smoke absorption pipeline 2 To desulfuration absorbing tower 3, the sulfide in exhaust gas is handled by desulfuration absorbing tower 3, then underground type spraying and dedusting flue 4 is taken out It takes the exhaust gas being disposed in desulfuration absorbing tower 3, and spray process is carried out to exhaust gas, by the gas cooling in exhaust gas and by dust Removal, last gas analyzer 5 are monitored exhaust gas after treatment.By denitration mechanism 1, smoke absorption pipeline 2, take off The setting on sulphur absorption tower 3, underground type spraying and dedusting flue 4 and gas analyzer 5, Industrial Boiler denitrating system of the invention is not only The pollutants such as sulfide, nitrogen oxides and the dust in Industrial Boiler discharge exhaust gas can be removed, and place can be monitored in real time Exhaust mass after reason, and adjustment is carried out according to the monitoring data of gas analyzer 5, optimal exhaust-gas treatment can be reached Effect.In addition, Industrial Boiler denitrating system of the invention can be applied on different industrial equipments by fine tuning, here Without limitation.

Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with Relevant hardware is instructed to complete by program, the program can store in a kind of computer readable storage medium, on Stating the storage medium mentioned can be read-only memory, disk or CD etc..

Industrial Boiler denitrating system provided by the present invention is described in detail above, for the general skill of this field Art personnel, thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute It states, the contents of this specification are not to be construed as limiting the invention.

Claims (6)

1. a kind of Industrial Boiler denitrating system, which is characterized in that including denitration mechanism, smoke absorption pipeline, desulfuration absorbing tower, Following formula spraying and dedusting flue and gas analyzer;
The denitration mechanism includes fluid reservoir, suction pump, conveyance conduit and control module, wherein the liquid outlet of the conveyance conduit It is arranged on to denitration device, the fluid reservoir, the suction pump and the conveyance conduit are sequentially connected;
One end setting of the smoke absorption pipeline described on denitration device, the entrance of the other end and the desulfuration absorbing tower Connection, for by it is described to denitration device generate smoke absorption and be delivered to the desulfuration absorbing tower;
The desulfuration absorbing tower includes that internal jet head and two dispersion impellers, delivery pump and liquid storage tank is from top to bottom arranged in, The jet head, the delivery pump and the liquid storage tank are sequentially connected, and two dispersion impellers are for dispersing liquid;
The underground type spraying and dedusting flue setting is connected in underground, and with the outlet of the desulfuration absorbing tower, including exhaust fan, The company of the desulfuration absorbing tower Yu the underground type spraying and dedusting flue is arranged in several spray heads and dust-removing flue, the exhaust fan It connects on position, the spray head is arranged inside the dust-removing flue;
The gas analyzer is mounted in the outlet of the underground type spraying and dedusting flue, and with the denitration mechanism and described Desulfuration absorbing tower, for being detected to treated exhaust gas;It is provided in the fluid reservoir and is connected with the control module Liquid level sensor;Be provided on the suction pump and/or the conveyance conduit flowmeter being connected with the control module and/ Or electronic valve;The medicament mixing module being connected with the control module is provided in the fluid reservoir, it is de- for controlling mixing The concentration of nitre agent;The Industrial Boiler denitrating system further includes and the denitration mechanism, the desulfuration absorbing tower and the gas The remote control module of analyzer connection.
2. Industrial Boiler denitrating system according to claim 1, which is characterized in that the remote control module includes network One of interface module, WIFI module or wireless communication module are a variety of.
3. Industrial Boiler denitrating system according to claim 2, which is characterized in that the wireless communication module includes GSM One of communication module, 3G communication module or 4G communication module are a variety of.
4. Industrial Boiler denitrating system according to claim 1, which is characterized in that it is described to denitration device be coal-fired industry Boiler.
5. Industrial Boiler denitrating system according to claim 1, which is characterized in that it is described to denitration device be kiln, chain Grate furnace and spray tower.
6. Industrial Boiler denitrating system according to claim 5, which is characterized in that the Industrial Boiler denitrating system includes Liang Tao denitration mechanism, air-introduced machine, spraying and dedusting room and circulating water pool;
Two sets of denitration mechanisms are separately positioned on the kiln and the chain grate furnace;
The spray tower is connect with the chain grate furnace, and the bottom of the spray tower is arranged in the suction opening of the air-introduced machine;
The air-introduced machine, the spraying and dedusting room and the desulfuration absorbing tower are sequentially connected;
The spraying and dedusting room is connect with the circulating water pool.
CN201610537540.2A 2016-07-08 2016-07-08 A kind of Industrial Boiler denitrating system CN106439879B (en)

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CN107854988A (en) * 2017-12-16 2018-03-30 常熟联邦化工股份有限公司 A kind of coal burning heat-conducting oil furnace exhaust gas automatic processing device

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