CN206613360U - A kind of smoke eliminator of coal-burning boiler - Google Patents
A kind of smoke eliminator of coal-burning boiler Download PDFInfo
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- CN206613360U CN206613360U CN201720236592.6U CN201720236592U CN206613360U CN 206613360 U CN206613360 U CN 206613360U CN 201720236592 U CN201720236592 U CN 201720236592U CN 206613360 U CN206613360 U CN 206613360U
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Abstract
A kind of smoke eliminator of coal-burning boiler, it is related to a kind of device of purifying smoke.The purpose of this utility model is to solve that existing flue gas processing equipment of boiler is complicated, and cost is high, and denitrification efficiency is low, and effect is poor, the problem of be unable to demercuration and the flue gas of purification can not be monitored.A kind of smoke eliminator of coal-burning boiler includes boiler furnace, cyclone dust collectors, wet desulphurization tower, wet type denitrating tower, dry desulfurizing tower, Dry denitration tower, chimney, ammoniacal liquor holding vessel, circulating slot, ammoniacal liquor water inlet pipe, variable frequency pump, H2O2Solution storage tanks, carbonomonoxide concentration detector, nitrous oxides concentration detector, controller, sulfur dioxide concentration detector and chimney.Denitration rate of the present utility model reaches more than 92%, and denitration rate reaches more than 96%.The utility model can obtain a kind of smoke eliminator of coal-burning boiler.
Description
Technical field
The utility model is related to a kind of device of purifying smoke.
Background technology
China is coal production state and country of consumption maximum in the world, and coal is as main energy sources thing, in its combustion process
The SO of discharge2, the pollutant such as NOx total amount it is very big, serious atmosphere pollution can be caused, the health of the mankind is endangered.Coal burning
Sulphur, chlorine, the nitrogen oxides of generation are the primary pollution source of atmosphere pollution, and it is except forming acid rain, and destruction ecological environment can also shape
Into photochemical fog, the health of the mankind is endangered.People are to the attention of environment and the raising of environmental legislation standard, in the urgent need to grinding
Study carefully a kind of inexpensive multi-pollutant SO2、NOx, Hg and PM2.5 etc. control method.
Industrial Boiler is main emission source, the domestic research to desulphurization denitration comparative maturity, is advised greatly already
Mould commercial Application, but most technique is all useful just for one-component, such as desulfurization or for denitration.Flue gas
Middle nitrogen oxides, sulfur dioxide and mercury often exist simultaneously, if can only handle the equipment of Single Pollution thing to nitrogen using these
Oxide and sulfur dioxide are removed respectively, there is high equipment cost, and floor space is big, the problem of cost is high.It is existing can be with
The device of simultaneous SO_2 and NO removal has that desulfurization denitration demercuration dedusting resultant effect is not good again, it is impossible to while efficient desulfurization
Denitration demercuration dedusting.
Using more than two sets independent system for desulfuration and denitration, not only flue gas purifying equipment is complicated, floor space is big, build and
Operating cost is high, and gets up to realize comprehensive high-efficiency operation also by these independent desulphurization and denitrations and dust pelletizing system reasonable combination
There are many difficulties.
Utility model content
The purpose of this utility model is to solve existing flue gas processing equipment of boiler complexity, and cost is high, denitrification efficiency
Low, effect is poor, the problem of be unable to demercuration and the flue gas of purification can not be monitored, and it is net to provide a kind of flue gas of coal-burning boiler
Makeup is put.
A kind of smoke eliminator of coal-burning boiler includes boiler furnace, cyclone dust collectors, wet desulphurization tower, wet type denitration
Tower, dry desulfurizing tower, Dry denitration tower, chimney, ammoniacal liquor holding vessel, circulating slot, ammoniacal liquor water inlet pipe, variable frequency pump, H2O2Solution storage
Tank, carbonomonoxide concentration detector, nitrous oxides concentration detector, controller, sulfur dioxide concentration detector and chimney；
Described boiler furnace is provided with solid mercury material charge door；
The bottom of described wet desulphurization tower is stock tank area, middle part horizontally disposed three row shower, shower from top to bottom
Lower end be provided with the first shower nozzle, the liquid feeding end of shower is connected with the outlet end of ammoniacal liquor water inlet pipe, and ammoniacal liquor water inlet pipe enters
Liquid end is connected with the outlet end of circulating slot；The outlet end and ammonia of the liquid feeding end of circulating slot respectively with the stock tank area of wet desulphurization tower
The outlet end of water store tank is connected, and the pipe that is connected with the outlet end in the stock tank area of wet desulphurization tower of liquid feeding end of circulating slot
Road is provided with pump, and the inlet of pump is connected with the outlet end in the stock tank area of wet desulphurization tower, the liquid outlet of pump and circulating slot
Liquid feeding end is connected；The pipeline that the liquid feeding end of circulating slot is connected with the outlet end of ammoniacal liquor holding vessel is provided with pump, the feed liquor of pump
Mouth is connected with the outlet end of ammoniacal liquor holding vessel, and the liquid outlet of pump is connected with the liquid feeding end of circulating slot；
Described H2O2Solution storage tanks are connected with the entrance of variable frequency pump, and the outlet of variable frequency pump is connected with injection house steward；
Provided with some injection branch pipes in described wet type denitrating tower, some injection branch pipes are connected with injection house steward, and every spray
Penetrate on branch pipe and be equipped with the second shower nozzle；
The first motor, several desulfurizing agent material distribution cartridges and the first material spray branch pipe are provided with described dry desulfurizing tower；
The drive shaft of the first described motor is connected with the bottom of desulfurizing agent material distribution cartridge；First material spray branch pipe discharging opening is set
Inside desulfurizing agent material distribution cartridge, the first material spray branch pipe charging aperture is connected with one end of the first material spray house steward；Described dry desulfurization
The outside of tower is provided with desulfurizing agent holding vessel；The other end of first material spray house steward is connected with the discharging opening of desulfurizing agent holding vessel, and the
The pipeline of one material spray house steward is provided with the first feed blower fan；
The second motor, several denitrfying agent material distribution cartridges and the second material spray branch pipe are provided with described Dry denitration tower；
The drive shaft of the second described motor is connected with the bottom of denitrfying agent material distribution cartridge；Second material spray branch pipe discharging opening is set
Inside denitrfying agent material distribution cartridge, the second material spray branch pipe charging aperture is connected with second material spray house steward one end；Described Dry denitration tower
Outside be provided with denitrfying agent holding vessel；The other end of second material spray house steward is connected with denitrfying agent holding vessel discharging opening, and the second spray
Expect the pipeline of house steward provided with the second feed blower fan；
Described chimney outlet is dense provided with carbonomonoxide concentration detector, nitrous oxides concentration detector and sulfur dioxide
Spend detector；The signal output of carbonomonoxide concentration detector, nitrous oxides concentration detector and sulfur dioxide concentration detector
End is connected by the signal input part of signal wire and controller respectively；First feed blower fan and the second feed blower fan pass through control respectively
Line processed is connected with the signal output part of controller；
The exhanst gas outlet of described boiler furnace is connected with the smoke inlet of cyclone dust collectors, the flue gas of cyclone dust collectors
Outlet is connected with the smoke inlet of wet desulphurization tower, the exhanst gas outlet of wet desulphurization tower and the smoke inlet phase of wet type denitrating tower
Connection, the exhanst gas outlet of wet type denitrating tower is connected with the smoke inlet of dry desulfurizing tower, the exhanst gas outlet of dry desulfurizing tower with
The smoke inlet of Dry denitration tower is connected, and the exhanst gas outlet of Dry denitration tower is connected with the smoke inlet of chimney.
The advantage of utility model：
First, it is coal-fired that solid mercury material is sprayed into boiler furnace by solid mercury material charge door in Boiler Furnace chamber inner combustion, Gu
Mercury material is MnO2；Gu mercury material carries out desulphurization denitration and the reaction of demercuration is as follows：
NOx+MnO2→Mn(NO3)2；
SOx+MnO2→MnSO4；
Hg0+MnO2→Hg2++MnO2→ MnHg complexs；
NOxIncluding all nitrogen oxides, SOxIncluding all oxysulfides, mercury includes Elemental Mercury and compound；
MnO2The product for removing multi-pollutant is trapped by cyclone dust collectors, and the material after trapping is stored in ash silo；Go
Except the flue gas of dust is entered in wet desulphurization tower, ammoniacal liquor holding vessel supplements work into circulating slot built with 4% industrial ammonia
Industry ammoniacal liquor, industrial ammonia sprays to flue gas by the first shower nozzle, main to occur following reaction：
2NH3+SO2+H2O→(NH4)2SO3；
NH3+SO2+H2O→NH4HSO3；
NH4HSO3+NH3→(NH4)2SO3；
There is O2In the presence of, sulphite will be oxidized to sulfate, i.e.,：
2(NH4)2SO3+O2→2(NH4)2SO4；
2NH4HSO3+O2→2NH4HSO4；
2NH4HSO3+O2+2NH3→2(NH4)2SO4；
The flue gas for removing most of sulfur dioxide is entered in wet type denitrating tower, H2O2Solution storage tanks are built with quality point
Number is the H of mass fraction >=5%2O2Solution, H2O2Solution sprays to flue by the second shower nozzle, occurs using hydrogen peroxide drop
Oxidation reaction, NO is oxidized to by NO2, that is, occur following reaction, key reaction is as follows：
H2O2→2·OH；
·OH+NO→HONO；
There is a small amount of following reaction simultaneously：
·OH+H2O2→HO2·+H2O；
NO+HO2·→HNO3；
Removal major part NO flue gas is entered carries out dry desulfurization again in dry desulfurizing tower, desulfurizing agent holding vessel is built-in
There is desulfurizing agent, desulfurizing agent enters desulfurizing agent material distribution cartridge by the first feed blower fan, the first material spray house steward and the first material spray branch pipe
In, desulfurizing agent material distribution cartridge is by rotating at a high speed, and desulfurizing agent enters dry desulfurization by the hole on desulfurizing agent material distribution cartridge periphery
In tower, and remaining sulfide in flue gas is reacted, and removes sulfide remaining in flue gas；
Flue gas after desulfurization enters and carries out Dry denitration in Dry denitration tower again, and denitrfying agent holding vessel is built with denitration
Agent, denitrfying agent is entered in denitrfying agent material distribution cartridge by the second feed blower fan, the second material spray house steward and the second material spray branch pipe, denitration
Agent material distribution cartridge is by rotating at a high speed, and denitrfying agent is entered in Dry denitration tower by the hole on denitrfying agent material distribution cartridge periphery, and
Remaining nitride in flue gas is reacted, and removes nitride remaining in flue gas；
The flue gas of removing sulfide, nitride and mercury is entered in chimney, the carbonomonoxide concentration inspection at chimney middle outlet
Survey instrument, nitrous oxides concentration detector and sulfur dioxide concentration detector to detect the flue gas of discharge, if in flue gas
The concentration over-standard of nitride and sulfur dioxide, will be fed blower fan and the second feed blower fan by controller control first, and increase is de-
Sulphur agent and the consumption of denitrfying agent；If the concentration of the nitride and sulfur dioxide in flue gas is very low, controller control the will be passed through
One feed blower fan and the second feed blower fan, reduce the consumption of desulfurizing agent and denitrfying agent；
2nd, the utility model is combined using dry method, wet method and carries out desulphurization denitration processing, is possessed at splendid desulphurization denitration
Reason, desulfurization degree and denitration rate are above the setting in national standard；
3rd, the moisture in cyclone type dehydrator is added in boiler, realizes the recovery of moisture；
4th, the utility model uses H2O2Drop triggers chain reaction to improve oxidation NO, and simple system, cost is low, it is easy to
Operation；
5th, denitration rate of the present utility model reaches more than 92%, and denitration rate reaches more than 96%；
6th, carbonomonoxide concentration detector, nitrous oxides concentration detector and the sulfur dioxide that the utility model is provided with are dense
Degree detector can monitor the concentration of nitride and sulfide in flue gas at any time；
7th, the purpose of this utility model is to solve existing flue gas processing equipment of boiler complexity, and cost is high, desulphurization denitration effect
Rate is low, and effect is poor, the problem of be unable to demercuration and the flue gas of purification can not be monitored.
The utility model can obtain a kind of smoke eliminator of coal-burning boiler.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the smoke eliminator of coal-burning boiler described in embodiment one.
Embodiment
Embodiment one：Present embodiment is a kind of smoke eliminator of coal-burning boiler, and the device includes boiler
Burner hearth 1, cyclone dust collectors 2, wet desulphurization tower 3, wet type denitrating tower 9, dry desulfurizing tower 13, Dry denitration tower 29, chimney 22, ammonia
Water store tank 4, circulating slot 5, ammoniacal liquor water inlet pipe 6, variable frequency pump 11, H2O2Solution storage tanks 12, carbonomonoxide concentration detector 23,
Nitrous oxides concentration detector 24, controller 25, sulfur dioxide concentration detector 31 and chimney 22；
Described boiler furnace 1 is provided with solid mercury material charge door 1-1；
The bottom of described wet desulphurization tower 3 is stock tank area, middle part horizontally disposed three row shower, shower from top to bottom
Lower end be provided with the first shower nozzle 7, the liquid feeding end of shower is connected with the outlet end of ammoniacal liquor water inlet pipe 6, ammoniacal liquor water inlet pipe 6
Liquid feeding end is connected with the outlet end of circulating slot 5；The liquid feeding end of circulating slot 5 goes out liquid with the stock tank area of wet desulphurization tower 3 respectively
End is connected with the outlet end of ammoniacal liquor holding vessel 4, and the liquid feeding end and the outlet end in the stock tank area of wet desulphurization tower 3 of circulating slot 5
The pipeline being connected is provided with pump, and the inlet of pump is connected with the outlet end in the stock tank area of wet desulphurization tower 3, the liquid outlet of pump
It is connected with the liquid feeding end of circulating slot 5；Set on the pipeline that the liquid feeding end of circulating slot 5 is connected with the outlet end of ammoniacal liquor holding vessel 4
There is pump, the inlet of pump is connected with the outlet end of ammoniacal liquor holding vessel 4, and the liquid outlet of pump is connected with the liquid feeding end of circulating slot 5；
Described H2O2Solution storage tanks 12 are connected with the entrance of variable frequency pump 11, outlet and the injection house steward of variable frequency pump 11
28 are connected；Provided with some injection branch pipes 26, some injection branch pipes 26 and injection house steward 28 in described wet type denitrating tower 9
It is connected, and the second shower nozzle 27 is equipped with every injection branch pipe 26；
The first motor 15, several material spray branch of desulfurizing agent material distribution cartridge 14 and first are provided with described dry desulfurizing tower 13
Pipe；
The drive shaft of the first described motor 15 is connected with the bottom of desulfurizing agent material distribution cartridge 14；First material spray branch pipe discharging opening
It is arranged on inside desulfurizing agent material distribution cartridge 14, the first material spray branch pipe charging aperture is connected with one end of the first material spray house steward；Described is dry
The outside of method desulfurizing tower 13 is provided with desulfurizing agent holding vessel 20；The other end of first material spray house steward and the discharging of desulfurizing agent holding vessel 20
Mouth connection, and the pipeline of the first material spray house steward is fed blower fan 18 provided with first；
The second motor 16, several material spray branch of denitrfying agent material distribution cartridge 17 and second are provided with described Dry denitration tower 29
Pipe；
The drive shaft of the second described motor 16 is connected with the bottom of denitrfying agent material distribution cartridge 17；Second material spray branch pipe discharging opening
It is arranged on inside denitrfying agent material distribution cartridge 17, the second material spray branch pipe charging aperture is connected with second material spray house steward one end；Described dry method
The outside of denitrating tower 29 is provided with denitrfying agent holding vessel 21；The other end of second material spray house steward connects with the discharging opening of denitrfying agent holding vessel 21
It is logical, and the pipeline of the second material spray house steward is fed blower fan 19 provided with second；
The described exit of chimney 22 is provided with carbonomonoxide concentration detector 23, nitrous oxides concentration detector 24 and dioxy
Change sulphur concentration detector 31；Carbonomonoxide concentration detector 23, nitrous oxides concentration detector 24 and sulfur dioxide concentration detection
The signal output part of instrument 31 is connected by signal wire with the signal input part of controller 25 respectively；First feed blower fan 18 and second
Feed blower fan 19 is connected by control line with the signal output part of controller 25 respectively；
The exhanst gas outlet of described boiler furnace 1 is connected with the smoke inlet of cyclone dust collectors 2, cyclone dust collectors 2
Exhanst gas outlet is connected with the smoke inlet of wet desulphurization tower 3, the exhanst gas outlet of wet desulphurization tower 3 and the cigarette of wet type denitrating tower 9
Gas entrance is connected, and the exhanst gas outlet of wet type denitrating tower 9 is connected with the smoke inlet of dry desulfurizing tower 13, dry desulfurizing tower 13
Exhanst gas outlet be connected with the smoke inlet of Dry denitration tower 29, the exhanst gas outlet of Dry denitration tower 29 and the flue gas of chimney 22
Entrance is connected.
Fig. 1 is a kind of structural representation of the smoke eliminator of coal-burning boiler described in embodiment one, in Fig. 1
1 is boiler furnace, and 2 be cyclone dust collectors, and 3 be wet desulphurization tower, and 4 be ammoniacal liquor holding vessel, and 5 be circulating slot, and 6 be that ammoniacal liquor is intake
Pipe, 7 be the first shower nozzle, and 8 be air-introduced machine, and 9 be wet type denitrating tower, and 11 be variable frequency pump, and 12 be H2O2Solution storage tanks, 13 be dry method
Desulfurizing tower, 14 be desulfurizing agent material distribution cartridge, and 15 be the first motor, and 16 be the second motor, and 17 be denitrfying agent material distribution cartridge, and 18 give for first
Expect blower fan, 19 be the second feed blower fan, and 20 be desulfurizing agent holding vessel, and 21 be denitrfying agent holding vessel, and 22 be chimney, and 23 be an oxidation
Concentration of carbon detector, 24 be nitrous oxides concentration detector, and 25 be controller, and 26 be the second shower nozzle for injection branch pipe, 27, and 28 are
House steward is sprayed, 29 be Dry denitration tower, and 30 be ash silo, and 31 be sulfur dioxide concentration detector, and 1-1 is solid mercury material charge door；
The advantage of present embodiment：
First, it is coal-fired to be burnt in boiler furnace 1, solid mercury thing is sprayed into boiler furnace 1 by solid mercury material charge door 1-1
Matter, Gu mercury material is MnO2；Gu mercury material carries out desulphurization denitration and the reaction of demercuration is as follows：
NOx+MnO2→Mn(NO3)2；
SOx+MnO2→MnSO4；
Hg0+MnO2→Hg2++MnO2→ MnHg complexs；
NOxIncluding all nitrogen oxides, SOxIncluding all oxysulfides, mercury includes Elemental Mercury and compound；
MnO2The product for removing multi-pollutant is trapped by cyclone dust collectors 2, and the material after trapping is stored in ash silo 30；
Remove dust flue gas enter in wet desulphurization tower 3, ammoniacal liquor holding vessel 4 built with 4% industrial ammonia, into circulating slot 5
Industrial ammonia is supplemented, industrial ammonia sprays to flue gas by the first shower nozzle 7, it is main to occur following reaction：
2NH3+SO2+H2O→(NH4)2SO3；
NH3+SO2+H2O→NH4HSO3；
NH4HSO3+NH3→(NH4)2SO3；
There is O2In the presence of, sulphite will be oxidized to sulfate, i.e.,：
2(NH4)2SO3+O2→2(NH4)2SO4；
2NH4HSO3+O2→2NH4HSO4；
2NH4HSO3+O2+2NH3→2(NH4)2SO4；
The flue gas for removing most of sulfur dioxide is entered in wet type denitrating tower 9, H2O2Solution storage tanks 12 are built with quality
Fraction is the H of mass fraction >=5%2O2Solution, H2O2Solution sprays to flue by the second shower nozzle 27, utilizes hydrogen peroxide drop
Generation oxidation reaction, NO is oxidized to by NO2, that is, occur following reaction, key reaction is as follows：
H2O2→2·OH；
·OH+NO→HONO；
There is a small amount of following reaction simultaneously：
·OH+H2O2→HO2·+H2O；
NO+HO2·→HNO3；
Removal major part NO flue gas is entered carries out dry desulfurization again in dry desulfurizing tower 13, desulfurizing agent holding vessel 20
Built with desulfurizing agent, desulfurizing agent enters desulfurizing agent by the first feed blower fan 18, the first material spray house steward and the first material spray branch pipe
In material distribution cartridge 14, desulfurizing agent material distribution cartridge 14 is by rotating at a high speed, and desulfurizing agent enters by the hole on the periphery of desulfurizing agent material distribution cartridge 14
Enter into dry desulfurizing tower 13, and the remaining sulfide in flue gas is reacted, and removes sulfide remaining in flue gas；
Flue gas after desulfurization enters and carries out Dry denitration in Dry denitration tower 29 again, denitrfying agent holding vessel 21 built with
Denitrfying agent, denitrfying agent enters denitrfying agent material distribution cartridge by the second feed blower fan 19, the second material spray house steward and the second material spray branch pipe
In 17, denitrfying agent material distribution cartridge 17 is by rotating at a high speed, and denitrfying agent enters dry by the hole on the periphery of denitrfying agent material distribution cartridge 17
In method denitrating tower 29, and remaining nitride in flue gas is reacted, and removes nitride remaining in flue gas；
The flue gas of removing sulfide, nitride and mercury is entered in chimney 22, and the carbon monoxide at the middle outlet of chimney 22 is dense
Spend detector 23, the flue gases of 31 pairs of discharges of nitrous oxides concentration detector 24 and sulfur dioxide concentration detector to detect, such as
The concentration over-standard of nitride and sulfur dioxide in fruit flue gas, will be fed blower fan 18 and second by controller control first and be fed
The consumption of blower fan 19, increase desulfurizing agent and denitrfying agent；If the concentration of the nitride and sulfur dioxide in flue gas is very low, it will pass through
Controller control first is fed the feed blower fan 19 of blower fan 18 and second, reduces the consumption of desulfurizing agent and denitrfying agent；
2nd, present embodiment is combined using dry method, wet method and carries out desulphurization denitration processing, is possessed at splendid desulphurization denitration
Reason, desulfurization degree and denitration rate are above the setting in national standard；
3rd, the moisture in cyclone type dehydrator 2 is added in boiler, realizes the recovery of moisture；
4th, present embodiment uses H2O2Drop triggers chain reaction to improve oxidation NO, and simple system, cost is low, it is easy to
Operation；
5th, the denitration rate of present embodiment reaches more than 92%, and denitration rate reaches more than 96%；
6th, present embodiment is provided with carbonomonoxide concentration detector 23, nitrous oxides concentration detector 24 and titanium dioxide
Sulphur concentration detector 31 can monitor the concentration of nitride and sulfide in flue gas at any time；
7th, present embodiment solves existing flue gas processing equipment of boiler complexity, and cost is high, and denitrification efficiency is low, effect
It is really poor, the problem of be unable to demercuration and the flue gas of purification can not be monitored.
Present embodiment can obtain a kind of smoke eliminator of coal-burning boiler.
Embodiment two：Present embodiment is with the difference of embodiment one：Described H2O2Solution storage tanks
12 built with mass fraction >=5% H2O2Solution.Other steps are identical with embodiment one.
Embodiment three：One of present embodiment and embodiment one or two difference is：Described ammoniacal liquor
Holding vessel 4 built with 4% industrial ammonia.Other steps are identical with embodiment one or two.
Embodiment four：One of present embodiment and embodiment one to three difference is：Described whirlwind
The lower section of deduster 2 is connected by pipeline with ash silo 30.Other steps are identical with embodiment one to three.
Embodiment five：One of present embodiment and embodiment one to four difference is：Described wet type
Pipeline between desulfurizing tower 3 and wet type denitrating tower 9 is provided with air-introduced machine 8.Other steps are identical with embodiment one to four.
Embodiment six：One of present embodiment and embodiment one to five difference is：Described ammoniacal liquor
The pipeline of water inlet pipe 6 is provided with pump, and the inlet of pump is connected with the outlet end of circulating slot 5, and liquid outlet and the ammoniacal liquor of pump are intake
The liquid feeding end of pipe 6 is connected.Other steps are identical with embodiment one to five.
Embodiment seven：One of present embodiment and embodiment one to six difference is：Described desulfurization
The periphery of agent material distribution cartridge 14 is provided with several holes.Other steps are identical with embodiment one to six.
Embodiment eight：One of present embodiment and embodiment one to seven difference is：Described denitration
The periphery of agent material distribution cartridge 17 is provided with several holes.Other steps are identical with embodiment one to seven.
Claims (8)
1. a kind of smoke eliminator of coal-burning boiler, it is characterised in that a kind of smoke eliminator of coal-burning boiler includes boiler
Burner hearth (1), cyclone dust collectors (2), wet desulphurization tower (3), wet type denitrating tower (9), dry desulfurizing tower (13), Dry denitration tower
(29), chimney (22), ammoniacal liquor holding vessel (4), circulating slot (5), ammoniacal liquor water inlet pipe (6), variable frequency pump (11), H2O2Solution storage tanks
(12), carbonomonoxide concentration detector (23), nitrous oxides concentration detector (24), controller (25), sulfur dioxide concentration inspection
Survey instrument (31) and chimney (22)；
Described boiler furnace (1) is provided with solid mercury material charge door (1-1)；
The bottom of described wet desulphurization tower (3) is stock tank area, middle part horizontally disposed three row shower from top to bottom, shower
Lower end is provided with the first shower nozzle (7), and the liquid feeding end of shower is connected with the outlet end of ammoniacal liquor water inlet pipe (6), ammoniacal liquor water inlet pipe
(6) liquid feeding end is connected with the outlet end of circulating slot (5)；The slurry of the liquid feeding end of circulating slot (5) respectively with wet desulphurization tower (3)
Chi Qu outlet end is connected with the outlet end of ammoniacal liquor holding vessel (4), and the liquid feeding end and wet desulphurization tower (3) of circulating slot (5)
The pipeline that is connected of outlet end in stock tank area be provided with pump, the inlet of pump goes out liquid with the stock tank area of wet desulphurization tower (3)
End is connected, and the liquid outlet of pump is connected with the liquid feeding end of circulating slot (5)；The liquid feeding end of circulating slot (5) and ammoniacal liquor holding vessel (4)
The pipeline that is connected of outlet end be provided with pump, the inlet of pump is connected with the outlet end of ammoniacal liquor holding vessel (4), and pump goes out liquid
Mouth is connected with the liquid feeding end of circulating slot (5)；
Described H2O2Solution storage tanks (12) are connected with the entrance of variable frequency pump (11), and the outlet and injection of variable frequency pump (11) are total
Pipe (28) is connected；In described wet type denitrating tower (9) provided with some injection branch pipes (26), some injection branch pipes (26) with
Injection house steward (28) is connected, and is equipped with the second shower nozzle (27) on every injection branch pipe (26)；
The first motor (15), several desulfurizing agent material distribution cartridges (14) and the first material spray branch are provided with described dry desulfurizing tower (13)
Pipe；
The drive shaft of described the first motor (15) is connected with the bottom of desulfurizing agent material distribution cartridge (14)；First material spray branch pipe discharging opening
It is arranged on desulfurizing agent material distribution cartridge (14) internal, the first material spray branch pipe charging aperture is connected with one end of the first material spray house steward；Described
The outside of dry desulfurizing tower (13) is provided with desulfurizing agent holding vessel (20)；The other end of first material spray house steward and desulfurizing agent holding vessel
(20) discharging opening connection, and the pipeline of the first material spray house steward is fed blower fan (18) provided with first；
The second motor (16), several denitrfying agent material distribution cartridges (17) and the second material spray branch are provided with described Dry denitration tower (29)
Pipe；
The drive shaft of described the second motor (16) is connected with the bottom of denitrfying agent material distribution cartridge (17)；Second material spray branch pipe discharging opening
It is arranged on denitrfying agent material distribution cartridge (17) internal, the second material spray branch pipe charging aperture is connected with second material spray house steward one end；Described is dry
The outside of method denitrating tower (29) is provided with denitrfying agent holding vessel (21)；The other end of second material spray house steward and denitrfying agent holding vessel (21)
Discharging opening is connected, and the pipeline of the second material spray house steward is fed blower fan (19) provided with second；
Described chimney (22) exit is provided with carbonomonoxide concentration detector (23), nitrous oxides concentration detector (24) and two
Sulfur oxide concentration detector (31)；Carbonomonoxide concentration detector (23), nitrous oxides concentration detector (24) and sulfur dioxide
The signal output part of concentration detector (31) is connected by signal wire with the signal input part of controller (25) respectively；First feed
Blower fan (18) and the second feed blower fan (19) are connected by control line with the signal output part of controller (25) respectively；
The exhanst gas outlet of described boiler furnace (1) is connected with the smoke inlet of cyclone dust collectors (2), cyclone dust collectors (2)
Exhanst gas outlet be connected with the smoke inlet of wet desulphurization tower (3), the exhanst gas outlet of wet desulphurization tower (3) and wet type denitrating tower
(9) smoke inlet is connected, and the exhanst gas outlet of wet type denitrating tower (9) is connected with the smoke inlet of dry desulfurizing tower (13),
The exhanst gas outlet of dry desulfurizing tower (13) is connected with the smoke inlet of Dry denitration tower (29), the flue gas of Dry denitration tower (29)
Outlet is connected with the smoke inlet of chimney (22).
2. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described H2O2Solution is stored up
Deposit H of the tank (12) built with mass fraction >=5%2O2Solution.
3. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described ammoniacal liquor storage
Tank (4) built with 4% industrial ammonia.
4. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described cyclone dust removal
The lower section of device (2) is connected by pipeline with ash silo (30).
5. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described wet type desulfurizing
Pipeline between tower (3) and wet type denitrating tower (9) is provided with air-introduced machine (8).
6. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described ammoniacal liquor water inlet
The pipeline for managing (6) is provided with pump, and the inlet of pump is connected with the outlet end of circulating slot (5), and liquid outlet and the ammoniacal liquor of pump are intake
The liquid feeding end of pipe (6) is connected.
7. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described desulfurizing agent cloth
The periphery of barrel (14) is provided with several holes.
8. a kind of smoke eliminator of coal-burning boiler according to claim 1, it is characterised in that described denitrfying agent cloth
The periphery of barrel (17) is provided with several holes.
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| CN201720236592.6U CN206613360U (en) | 2017-03-10 | 2017-03-10 | A kind of smoke eliminator of coal-burning boiler |
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| CN201720236592.6U CN206613360U (en) | 2017-03-10 | 2017-03-10 | A kind of smoke eliminator of coal-burning boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105761A (en) * | 2018-01-12 | 2018-06-01 | 哈尔滨红光锅炉总厂有限责任公司 | Circulating fluidized bed boiler minimum discharge cooperative control method and system integration device |
| CN113757870A (en) * | 2021-09-30 | 2021-12-07 | 江苏新程消防技术服务有限公司 | Fire control ventilation unit with air purification structure |
-
2017
- 2017-03-10 CN CN201720236592.6U patent/CN206613360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105761A (en) * | 2018-01-12 | 2018-06-01 | 哈尔滨红光锅炉总厂有限责任公司 | Circulating fluidized bed boiler minimum discharge cooperative control method and system integration device |
| CN108105761B (en) * | 2018-01-12 | 2024-02-13 | 哈尔滨红光锅炉总厂有限责任公司 | Ultra-low emission cooperative control method and system integration device for circulating fluidized bed boiler |
| CN113757870A (en) * | 2021-09-30 | 2021-12-07 | 江苏新程消防技术服务有限公司 | Fire control ventilation unit with air purification structure |
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