CN106268231B - A kind of dust-removal and desulfurizing denitrification integrated device - Google Patents
A kind of dust-removal and desulfurizing denitrification integrated device Download PDFInfo
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- CN106268231B CN106268231B CN201610740720.0A CN201610740720A CN106268231B CN 106268231 B CN106268231 B CN 106268231B CN 201610740720 A CN201610740720 A CN 201610740720A CN 106268231 B CN106268231 B CN 106268231B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
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- B01D2258/0283—Flue gases
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Abstract
A kind of dust-removal and desulfurizing denitrification integrated device, belongs to technical field of air pollution control.Divide smoke-box and liquid chamber in dust-removal and desulfurizing denitration reaction device, gas inlet pipeline is communicated with smoke-box, arrangement level-one spray equipment and gaseous oxidizing agent jetting device in gas inlet pipeline, the smoke-intake pipe communicated with smoke-box is provided in liquid chamber, overflow pipe is communicated with liquid chamber, exhanst gas outlet pipeline is communicated with liquid chamber and cyclone separator, two level spray equipment is disposed in exhanst gas outlet pipeline, the reservoir top of sub- liquid reserve tank is fixed with desulfurizing agent's feeding system, reservoir internal upper part in sub- liquid reserve tank is equipped with electric mixer, the liquid outlet conduit reservoir minimum with height is connected to, two liquid outlet conduit parallel connection ports pass through connecting line and one, the port in parallel of two level spray piping is connected to, overflow pipe is connected to by reflux line with sub- liquid reserve tank, cyclone separator is connected to reflux line.The present invention in the process of running dedusting, desulfurization and denitration efficiency respectively up to 95%, 95% 99% and 80% or more.
Description
Technical field
The present invention relates to a kind of smoke eliminator more particularly to a kind of dedusting and denitration integrated devices, belong to
Technical field of air pollution control.
Background technology
Main consumption fuel of the fossil fuels such as coal as boiler, leads to flue dust, the SO in combustion product gases2、NOXAverage annual row
It is high-volume long-term high, become the primary pollution source of air, haze weather takes place frequently.Current country 600MW or more electricity generation boilers
Dedusting, desulfurization and denitration technology have been achieved with excellent achievement, pollutant emission has reached minimum discharge, i.e. NOx, SO2, cigarette
Dirt discharge reaches 50,35,5mg/m3, referred to as 50355, the electricity generation boiler of national requirements to the year two thousand twenty, 300MW or more will all reach
To minimum discharge.As environmental protection deepens continuously, to flue dust, SO2、NOXThe control stress point of discharge starts to turn to non-electrical Lixing
Industry has been put into effect corresponding discharge with industries such as new energy and has been marked for heating boiler, Industrial Boiler, waste incineration, metallurgy, chemical industry
It is accurate.
According to the rules, the boiler of 20t/h or more will realize flue dust, SO2、NOXOn-line monitoring, this just need to existing and
The discharge of infant industry boiler smoke is controlled.Widely used desulphurization and denitration technology is de- for wet flue gas both at home and abroad at present
Sulphur and SCR or SNCR denitration technology.SCR denitration is efficient, but there are operating cost height；Then there is the high underload temperature of boiler in SNCR
Degree variation is big, denitration efficiency is low, and cannot meet discharging standards when underload.Industrial Boiler mostly matches multi-tube dusting at present
Device, dust emission be not up to standard.Therefore, investment in research and development province, the flue-gas dust-removing and desulfurization denitration one that resource consumption is few, operating cost is low
Change technology has great significance to reducing Industrial Boiler pollutant emission.
Large-scale electricity generation boiler domestic at present mainly uses low nitrogen burning+SCR control NOx emission to be less than 50mg/m3, using elder generation
Into wet process of FGD control SO2Less than 35mg/m3, it is less than using bag-type dust+wet desulphurization co- controlling soot emissions
5mg/m3.These methods can be applied to Industrial Boiler, but cost of investment is high, operating cost is high, takes up a large area so that these
Technology is difficult to promote and apply on Industrial Boiler.Therefore, be badly in need of provide it is a kind of be suitable for the collection dedusting of Industrial Boiler, desulfurization, take off
Nitre, and integrated apparatus with good investment, that operating cost is low, floor space is small, flue gas emission is up to standard.
Invention content
The purpose of the invention is to overcome the defect of the above-mentioned prior art and deficiency, a kind of dust-removal and desulfurizing denitration one is proposed
Body makeup is set.
Realize above-mentioned purpose, there are three types of the technical solutions that the present invention takes, as follows respectively：
Scheme one：A kind of dedusting and denitration integrated device, including dust-removal and desulfurizing denitration reaction device, liquid reserve tank,
Cyclone separator, gas inlet pipeline, level-one spray equipment, gaseous oxidizing agent jetting device, overflow pipe, water-level monitoring window, row
Dirty pipe, exhanst gas outlet pipeline, two level spray equipment, level-one spray piping, two level spray piping, reflux line, pump, water filling port,
Connecting line, drainage pipeline, more smoke-intake pipes, two desulfurizing agent's feeding systems, two liquid outlet conduits, two discharging of waste liquid
Pipeline and two electric mixers；
From top to bottom it is divided into smoke-box and liquid chamber, the smoke-box and liquid in the dust-removal and desulfurizing denitration reaction device
Room is separated by partition, and the gas inlet pipeline and overflow pipe are arranged at the outer of dust-removal and desulfurizing denitration reaction device
One end of side, gas inlet pipeline is affixed with the side wall of dust-removal and desulfurizing denitration reaction device and is communicated with smoke-box, the flue gas
Level-one spray equipment and gaseous oxidizing agent jetting device are from top to bottom sequentially arranged in inlet pipeline, the liquid chamber is interior along perpendicular
To more smoke-intake pipes are provided with, the upper end of the more smoke-intake pipes and partition board are affixed, and more smoke-intake pipes are communicated with smoke-box, are removed
Be provided with water-level monitoring window on dirt desulfurization and denitrification reaction device side wall with liquid chamber corresponding section, described overflow pipe one end with remove
The side wall of dirt desulfurization and denitrification reaction device is affixed and is communicated with liquid chamber, and the lower part of liquid chamber is funnel shaped, under liquid chamber
Portion is connected to blow-off pipe one end；Described exhanst gas outlet pipeline one end passes through the upper cover plate of dust-removal and desulfurizing denitration reaction device to be arranged
In smoke-box and affixed with partition board, exhanst gas outlet pipeline is communicated with liquid chamber, and two level spray dress is disposed in exhanst gas outlet pipeline
It sets, the exhanst gas outlet pipeline other end is flue gas accelerating sections, flue gas accelerating sections end and the cyclone separator side of exhanst gas outlet pipeline
Wall is affixed, and exhanst gas outlet pipeline is communicated with cyclone separator；The level-one spray equipment is connected to level-one spray piping one end,
The two level spray equipment is connected to two level spray piping one end, and level-one spray piping and the two level spray piping other end are simultaneously
Connection；
The liquid reserve tank includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs, every sub- liquid reserve tank
Three reservoirs highly continuously decrease from left to right, described two sub- liquid reserve tank structure sizes are identical, per height store up
It is located at intermediate reservoir lateral wall top in liquid case and is respectively and fixedly provided with a desulfurizing agent's feeding system, is located in every sub- liquid reserve tank
Top in intermediate reservoir is respectively arranged with electric mixer, and three reservoir lower parts of every sub- liquid reserve tank are infundibulate,
Three reservoir lower parts of every sub- liquid reserve tank are connected to a discharging of waste liquid pipeline, described two liquid outlet conduits one
End is affixed with the lateral wall of two sub- liquid reserve tanks, and each liquid outlet conduit one end and height in corresponding sub- liquid reserve tank are minimum
Reservoir connection, two liquid outlet conduit other ends are in parallel, and the port in parallel of two liquid outlet conduits passes through connecting tube
Road is connected to the port in parallel of level-one spray piping and two level spray piping, and pump, liquid reserve tank are equipped on the connecting line
Side wall on be located above the most short reservoir of height and be equipped with water filling port, the overflow pipe other end is gone out by two of reflux line
Mouth end is connected to two sub- liquid reserve tanks, and the lower end of cyclone separator is connected to by drainage pipeline with reflux line.
Scheme two：A kind of dedusting and denitration integrated device, including dust-removal and desulfurizing denitration reaction device, liquid reserve tank,
Cyclone separator, gas inlet pipeline, level-one spray equipment, overflow pipe, water-level monitoring window, blow-off pipe, exhanst gas outlet pipeline, two
Grade spray equipment, level-one spray piping, two level spray piping, reflux line, pump, water filling port, connecting line, connecting pipeline, liquid
Phase oxidation agent storage device, drainage pipeline, more smoke-intake pipes, two desulfurizing agent's feeding systems, two liquid outlet conduits, two
Discharging of waste liquid pipeline and two electric mixers；
From top to bottom it is divided into smoke-box and liquid chamber, the smoke-box and liquid in the dust-removal and desulfurizing denitration reaction device
Room is separated by partition, and the gas inlet pipeline and overflow pipe are arranged at the outer of dust-removal and desulfurizing denitration reaction device
One end of side, gas inlet pipeline is affixed with the side wall of dust-removal and desulfurizing denitration reaction device and is communicated with smoke-box, the flue gas
It is from top to bottom sequentially arranged level-one spray equipment in inlet pipeline, more smoke-intake pipes are vertically provided in the liquid chamber,
The upper end of the more smoke-intake pipes and partition board are affixed, and more smoke-intake pipes are communicated with smoke-box, dust-removal and desulfurizing denitration reaction device
Water-level monitoring window, described overflow pipe one end and dust-removal and desulfurizing denitration reaction device are provided on side wall with liquid chamber corresponding section
Side wall it is affixed and communicated with liquid chamber, the lower part of liquid chamber is funnel shaped, and the lower part of liquid chamber is connected to blow-off pipe one end；
Described exhanst gas outlet pipeline one end passes through the upper cover plate of dust-removal and desulfurizing denitration reaction device to be arranged in smoke-box and consolidate with partition board
It connects, exhanst gas outlet pipeline is communicated with liquid chamber, and two level spray equipment is disposed in exhanst gas outlet pipeline, and exhanst gas outlet pipeline is another
End is flue gas accelerating sections, and the flue gas accelerating sections end of exhanst gas outlet pipeline and cyclone separator side wall are affixed, exhanst gas outlet pipeline
It is communicated with cyclone separator；The level-one spray equipment is connected to level-one spray piping one end, the two level spray equipment
It is connected to two level spray piping one end, level-one spray piping and the two level spray piping other end are in parallel；
The liquid reserve tank includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs, every sub- liquid reserve tank
Three reservoirs highly continuously decrease from left to right, described two sub- liquid reserve tank structure sizes are identical, per height store up
It is located at intermediate reservoir lateral wall top in liquid case and is respectively and fixedly provided with a desulfurizing agent's feeding system, is located in every sub- liquid reserve tank
Top in intermediate reservoir is respectively arranged with electric mixer, and three reservoir lower parts of every sub- liquid reserve tank are infundibulate,
Three reservoir lower parts of every sub- liquid reserve tank are connected to a discharging of waste liquid pipeline, described two liquid outlet conduits one
End is affixed with the lateral wall of two sub- liquid reserve tanks, and each liquid outlet conduit one end and height in corresponding sub- liquid reserve tank are minimum
Reservoir connection, two liquid outlet conduit other ends are in parallel, and the port in parallel of two liquid outlet conduits passes through connecting tube
Road is connected to the port in parallel of level-one spray piping and two level spray piping, and pump, connecting tube are equipped on the connecting line
Road is connected to by connecting pipeline with liquid phase oxidation agent storage device, is located on the side wall of liquid reserve tank above the most short reservoir of height
Equipped with water filling port, the overflow pipe other end is connected to by two outlet ends of reflux line with two sub- liquid reserve tanks, cyclonic separation
The lower end of device is connected to by drainage pipeline with reflux line.
Scheme three：A kind of dedusting and denitration integrated device, including dust-removal and desulfurizing denitration reaction device, liquid reserve tank,
Cyclone separator, gas inlet pipeline, level-one spray equipment, more smoke-intake pipes, overflow pipe, water-level monitoring window, blow-off pipe, flue gases
Outlet conduit, two level spray equipment, level-one spray piping, two level spray piping, reflux line, pump, water filling port, connecting line,
Drainage pipeline, two desulfurizing agent's feeding systems, two phase oxidative agent feeding systems, two liquid outlet conduits, two waste liquids
Discharge tube and two electric mixers；
From top to bottom it is divided into smoke-box and liquid chamber, the smoke-box and liquid in the dust-removal and desulfurizing denitration reaction device
Room is separated by partition, and the gas inlet pipeline and overflow pipe are arranged at the outer of dust-removal and desulfurizing denitration reaction device
One end of side, gas inlet pipeline is affixed with the side wall of dust-removal and desulfurizing denitration reaction device and is communicated with smoke-box, the flue gas
It is from top to bottom sequentially arranged level-one spray equipment in inlet pipeline, more smoke-intake pipes are vertically provided in the liquid chamber,
The upper end of the more smoke-intake pipes and partition board are affixed, and more smoke-intake pipes are communicated with smoke-box, dust-removal and desulfurizing denitration reaction device
Water-level monitoring window, described overflow pipe one end and dust-removal and desulfurizing denitration reaction device are provided on side wall with liquid chamber corresponding section
Side wall it is affixed and communicated with liquid chamber, the lower part of liquid chamber is funnel shaped, and the lower part of liquid chamber is connected to blow-off pipe one end；
Described exhanst gas outlet pipeline one end passes through the upper cover plate of dust-removal and desulfurizing denitration reaction device to be arranged in smoke-box and consolidate with partition board
It connects, exhanst gas outlet pipeline is communicated with liquid chamber, and two level spray equipment is disposed in exhanst gas outlet pipeline, and exhanst gas outlet pipeline is another
End is flue gas accelerating sections, and the flue gas accelerating sections end of exhanst gas outlet pipeline and cyclone separator side wall are affixed, exhanst gas outlet pipeline
It is communicated with cyclone separator；The level-one spray equipment is connected to level-one spray piping one end, the two level spray equipment
It is connected to two level spray piping one end, level-one spray piping and the two level spray piping other end are in parallel；
The liquid reserve tank includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs, every sub- liquid reserve tank
Three reservoirs highly continuously decrease from left to right, described two sub- liquid reserve tank structure sizes are identical, per height store up
Be located in liquid case intermediate reservoir lateral wall top be respectively and fixedly provided with a desulfurizing agent's feeding system and a phase oxidative agent to
Material system is located at the top in intermediate reservoir in every sub- liquid reserve tank and is respectively arranged with electric mixer, every sub- liquid reserve tank
Three reservoir lower parts are infundibulate, and three reservoir lower parts of every sub- liquid reserve tank connect with a discharging of waste liquid pipeline
Logical, described two liquid outlet conduit one end and the lateral wall of two sub- liquid reserve tanks are affixed, and each liquid outlet conduit one
It holds and is connected to the minimum reservoir of height in corresponding sub- liquid reserve tank, two liquid outlet conduit other ends are in parallel, two liquid
The port in parallel of outlet conduit is connected to by connecting line with the port in parallel of level-one spray piping and two level spray piping, described
Connecting line pump is installed, be located on the side wall of liquid reserve tank above the most short reservoir of height and be equipped with water filling port, overflow pipe
The other end is connected to by two outlet ends of reflux line with two sub- liquid reserve tanks, and the lower end of cyclone separator passes through drainage pipeline
It is connected to reflux line.
The advantageous effect of the present invention compared with the existing technology is：
1）It realizes synchronized dust removal and desulphurization denitration, eliminates and Benitration reactor is separately provided, simplify ancillary equipment facility,
It further reduced investment and operating cost.
2）Flue gas is passed directly into inside reaction liquid in dust-removal and desulfurizing denitration reaction device, forms a large amount of minute bubbles,
It increases the contact area of flue gas and liquid and enhances mass transfer, to greatly improve dust-removal and desulfurizing denitration efficiency, solve
The problems such as flue gas quickly escapes in previous device, and denitrification efficiency is low, while solving dust removal problem.
3）The setting of two-stage spray equipment on the basis of reaction liquid and flue gas come into full contact with, in advance and again with flue gas
It is contacted and is reacted, further improve denitrification efficiency.
4）Efficient cyclone separator gets off dirt drop separation is taken in flue gas, ensure that splendid dust removing effects and reaction solution
Recycle, and prevent the generation of " gypsum rain ".
5）The dust-removal and desulfurizing denitration reaction device does not require flue-gas temperature, does not require load, has moderate
Resistance.And selected reactant has diversity, ensure that the widely used property of the device.
6) power saving；Since flue gas is pricked into a large amount of minute bubbles are heaved inside reaction liquid, time of contact and contact surface are increased
Product, greatly improves reaction speed, and therefore, the flow of circulating pump is greatly reduced, only the 30% of conventional wet lay desulfurization, advantage of economizing on electricity
Obviously.
In conclusion apparatus of the present invention solve the problems such as the escaping of ammonia and load in previous denitration, temperature is improper,
Denitrification efficiency is improved, desulfuration efficiency and denitration efficiency make respectively up to 95%-99% and 80% or more in the process of running
Obtain SO2≤50-100mg/m3, NOx≤100mg/m3；And realization high-effective dust-removing can be synchronized, efficiency of dust collection is more than 95%, to preceding
Set bag filter, final dust concentration≤5mg/m3；To preposition electrostatic precipitator, final dust concentration≤10mg/m3；To preceding
Set multi-tube dusting, grate furnace dust concentration≤30mg/m3。
Description of the drawings
Fig. 1 is the front view of the wet dedusting desulfurization denitrification integrated device of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the A-A sectional views of Fig. 1；
Fig. 4 is the B-B sectional views of Fig. 1.
In figure：Dust-removal and desulfurizing denitration reaction device 1, smoke-box 1-1, liquid chamber 1-2, partition board 1-3, liquid reserve tank 2, reservoir 2-
1, cyclone separator 3, gas inlet pipeline 4, level-one spray equipment 5, gaseous oxidizing agent jetting device 6, smoke-intake pipe 7, overflow pipe
Road 8, water-level monitoring window 9, blow-off pipe 10, exhanst gas outlet pipeline 11, two level spray equipment 12, level-one spray piping 13, two level spray
Pipeline 14, control valve 5 15, control valve 6 16, chimney 17, reflux line 18, desulfurizing agent's feeding system 19, phase oxidative agent are given
Material system 20, liquid outlet conduit 21, pump 22, discharging of waste liquid pipeline 23, electric mixer 24, water filling port 25, Oxygen in Liquid agent
Storage device 26, connecting line 27, drainage pipeline 28, control valve 1, control valve 2 30, control valve 3 31, control valve 4 32,
Connecting pipeline 33.
Specific implementation mode
Specific implementation mode one：As shown in Fig. 1 ~ Fig. 4, a kind of dust-removal and desulfurizing denitrification integrated device of present embodiment,
Including dust-removal and desulfurizing denitration reaction device 1, liquid reserve tank 2, cyclone separator 3, gas inlet pipeline 4, level-one spray equipment 5, gas
Phase oxidation agent jetting device 6, overflow pipe 8, water-level monitoring window 9, blow-off pipe 10, exhanst gas outlet pipeline 11, two level spray equipment 12,
Level-one spray piping 13, two level spray piping 14, reflux line 18, pump 22, water filling port 25, connecting line 27, drainage pipeline 28,
More 21, two discharging of waste liquid pipelines 23 of the liquid outlet conduit of desulfurizing agent's feeding system 19, two of smoke-intake pipe 7, two and two
Electric mixer 24；
From top to bottom it is divided into smoke-box 1-1 and liquid chamber 1-2, the cigarette in the dust-removal and desulfurizing denitration reaction device 1
Room 1-1 and liquid chamber 1-2 are separated by partition board 1-3, and the gas inlet pipeline 4 and overflow pipe 8 are arranged at dedusting and take off
The outside of sulphur denitration reaction device 1, one end of gas inlet pipeline 4 and the side wall of dust-removal and desulfurizing denitration reaction device 1 it is affixed and
It is communicated with smoke-box 1-1, level-one spray equipment 5 and gaseous oxidizing agent is from top to bottom sequentially arranged in the gas inlet pipeline 4
Jetting device 6（The arrival end of gaseous oxidizing agent jetting device 6 connects oxidant generator）, along perpendicular in the liquid chamber 1-2
To more smoke-intake pipes 7 are provided with, the upper end of the more smoke-intake pipes 7 and partition board 1-3 are affixed, and more smoke-intake pipes 7 and smoke-box
1-1 is communicated, and the corresponding sections liquid chamber 1-2 are provided with water-level monitoring window 9 on 1 side wall of dust-removal and desulfurizing denitration reaction device, described
8 one end of overflow pipe is affixed with the side wall of dust-removal and desulfurizing denitration reaction device 1 and is communicated with liquid chamber 1-2, under liquid chamber 1-2
Portion is funnel shaped, and the lower part of liquid chamber 1-2 is connected to 10 one end of blow-off pipe；Described 11 one end of exhanst gas outlet pipeline passes through and removes
In smoke-box 1-1 and affixed with partition board 1-3, exhanst gas outlet pipeline 11 and liquid is arranged in the upper cover plate of dirt desulfurization and denitrification reaction device 1
Body room 1-2 is communicated, and two level spray equipment 12 is disposed in exhanst gas outlet pipeline 11, and 11 other end of exhanst gas outlet pipeline adds for flue gas
Fast section, the flue gas accelerating sections end of exhanst gas outlet pipeline 11 and 3 side wall of cyclone separator are affixed, exhanst gas outlet pipeline 11 and whirlwind
Separator 3 communicates；The level-one spray equipment 5 is connected to 13 one end of level-one spray piping, the two level spray equipment 12
It is connected to 14 one end of two level spray piping, level-one spray piping 13 and 14 other end of two level spray piping are in parallel；
The liquid reserve tank 2 includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoir 2-1, is stored up per height
Three reservoir 2-1 of liquid case are highly continuously decreased from left to right, and described two sub- liquid reserve tank structure sizes are identical, often
It is located at intermediate reservoir 2-1 lateral walls top in a sub- liquid reserve tank and is respectively and fixedly provided with a desulfurizing agent's feeding system 19, per height
It is located at the top in intermediate reservoir 2-1 in liquid reserve tank and is respectively arranged with electric mixer 24, three liquid storages of every sub- liquid reserve tank
The lower parts slot 2-1 are infundibulate, and three lower parts reservoir 2-1 of every sub- liquid reserve tank connect with a discharging of waste liquid pipeline 23
Logical, described two 21 one end of liquid outlet conduit and the lateral wall of two sub- liquid reserve tanks are affixed, and each liquid outlet conduit
21 one end reservoir 2-1 minimum with height in corresponding sub- liquid reserve tank is connected to, and two 21 other ends of liquid outlet conduit are in parallel,
The port in parallel of two liquid outlet conduits 21 passes through connecting line 27 and level-one spray piping 13 and two level spray piping 14
Port in parallel is connected to, and pump 22 is equipped on the connecting line 27, the most short reservoir of height is located on the side wall of liquid reserve tank 2
Water filling port 25 is equipped with above 2-1,8 other end of overflow pipe is connected by two outlet ends of reflux line 18 with two sub- liquid reserve tanks
Logical, the lower end of cyclone separator 3 is connected to by drainage pipeline 28 with reflux line 18.
The operational process of present embodiment is as follows：
Selected desulfurizing agent is CaCO3, PH is in 4.5-5.5 in control dust-removal and desulfurizing denitration reaction device 1.Selected denitration oxidation
Agent is gaseous oxidizing agent：O3, control O3It is 0.8-1.1 with NO molar ratios.
Selected desulfurizing agent is sent by the desulfurizing agent's feeding system 19 on 2 top of liquid reserve tank, and gaseous oxidizing agent is then by aoxidizing
Agent generator is sent into smoke-box 1-1 by gaseous oxidizing agent jetting device 6.
1）Boiler tail flue gas initially enters in gas inlet pipeline 4, and level-one spray equipment 5 enters gas inlet pipeline 4
Mouth flue gas carries out first spray desulfurization and cools down.
2）The gaseous oxidizing agent jetting device 6 for being connected with oxidant generator sprays into gaseous oxidant to the flue gas after cooling
Carry out Primary Oxidation.
3）The smoke-box 1- that the flue gas of carrying spray liquid and gaseous oxidizing agent passes through 1 top of dust-removal and desulfurizing denitration reaction device
1（Seal area）It is rapidly entered from top to bottom with smoke-intake pipe 7 and carries out violent " boiling " reaction in the reaction solution of liquid chamber 1-2, and
Retain a large amount of dust in flue gas.When flue gas is reacted in dust-removal and desulfurizing denitration reaction device 1 with reaction solution, if reaction
The liquid level of liquid is higher than overflow pipe 8, then extra liquid will flow back into height in liquid reserve tank 2 by overflow pipe 8 via reflux line 18
It spends in highest reservoir 2-1.
4）Flue gas after reaction enters exhanst gas outlet pipeline 11, and two level spray equipment 12 is to anti-in exhanst gas outlet pipeline 11
Flue gas after answering is sprayed again, ensures unreacted SO in flue gas2And NOXThe dust that the reaction was continued and escapes out is again
Secondary retention.
5）Wet flue gas after secondary spraying is entered by the accelerating sections being connected with cyclone separator 3 in cyclone separator 3.
Clean flue gas after the separation of cyclone separator 3 is directly discharged into air by the chimney 17 on 3 top of cyclone separator, and is detached
The drop to get off flows into reflux line 18 via the drainage pipeline 28 of separator bottom, flows into liquid reserve tank 2 to recycle profit later
With.
6）It passes back into after desulfurizing agent is added in intermediate liquid reserve tank 2-1 in the solution in liquid reserve tank 2, after PH is 5.5-6.2, leads to
It crosses liquid outlet conduit 21 and is respectively fed to level-one spray piping 13 and two level spray piping 14 through pump 22.
Only there are one operations for two sub- liquid reserve tanks when operation, another is in stand-by state, and a sub- liquid reserve tank needs clear
When reason, another sub- liquid reserve tank is enabled.
The desulfuration efficiency of the dust-removal and desulfurizing denitrification integrated device is up to 95%, and denitration efficiency is up to 80% or more, dedusting
Efficiency is up to 95% or more, resistance 1500-2000Pa.
Specific implementation mode two：As shown in Figure 1, Figure 2 and shown in Fig. 4, a kind of dust-removal and desulfurizing described in specific implementation mode one is de-
Nitre integrated apparatus is equipped with control valve 1 on the level-one spray piping 13, pacifies on the two level spray piping 14
Equipped with control valve 2 30, there are one control valves 3 31 for each installation at two outlet ends on the reflux line 18, described
Two liquid outlet conduits 21 on be separately installed with control valve 4 32, control valve is installed on the discharging of waste liquid pipeline 23
6 16.
Specific implementation mode three：As shown in Fig. 1 ~ Fig. 4, a kind of dust-removal and desulfurizing denitrification integrated device, including dust-removal and desulfurizing
Denitration reaction device 1, liquid reserve tank 2, cyclone separator 3, gas inlet pipeline 4, level-one spray equipment 5, overflow pipe 8, water level
Form 9, exhanst gas outlet pipeline 11, two level spray equipment 12, level-one spray piping 13, two level spray piping 14, returns at blow-off pipe 10
Flow tube road 18, pump 22, water filling port 25, connecting line 27, connecting pipeline 33, liquid phase oxidation agent storage device 26, drainage pipeline 28,
More 21, two discharging of waste liquid pipelines 23 of the liquid outlet conduit of desulfurizing agent's feeding system 19, two of smoke-intake pipe 7, two and two
Electric mixer 24；
From top to bottom it is divided into smoke-box 1-1 and liquid chamber 1-2, the cigarette in the dust-removal and desulfurizing denitration reaction device 1
Room 1-1 and liquid chamber 1-2 are separated by partition board 1-3, and the gas inlet pipeline 4 and overflow pipe 8 are arranged at dedusting and take off
The outside of sulphur denitration reaction device 1, one end of gas inlet pipeline 4 and the side wall of dust-removal and desulfurizing denitration reaction device 1 it is affixed and
It is communicated with smoke-box 1-1, level-one spray equipment 5, the liquid chamber is from top to bottom sequentially arranged in the gas inlet pipeline 4
More smoke-intake pipes 7 are vertically provided in 1-2, the upper end of the more smoke-intake pipes 7 and partition board 1-3 are affixed, and more into cigarette
Pipe 7 is communicated with smoke-box 1-1, and the corresponding sections liquid chamber 1-2 are provided with water-level monitoring window on 1 side wall of dust-removal and desulfurizing denitration reaction device
9, described 8 one end of overflow pipe is affixed with the side wall of dust-removal and desulfurizing denitration reaction device 1 and is communicated with liquid chamber 1-2, liquid
The lower part of room 1-2 is funnel shaped, and the lower part of liquid chamber 1-2 is connected to 10 one end of blow-off pipe；The exhanst gas outlet pipeline 11
One end passes through the upper cover plate of dust-removal and desulfurizing denitration reaction device 1 that in smoke-box 1-1 and affixed with partition board 1-3, exhanst gas outlet is arranged
Pipeline 11 is communicated with liquid chamber 1-2, and two level spray equipment 12 is disposed in exhanst gas outlet pipeline 11, and exhanst gas outlet pipeline 11 is another
End is flue gas accelerating sections, and the flue gas accelerating sections end of exhanst gas outlet pipeline 11 and 3 side wall of cyclone separator are affixed, smoke outlet tube
Road 11 is communicated with cyclone separator 3；The level-one spray equipment 5 is connected to 13 one end of level-one spray piping, the two level
Spray equipment 12 is connected to 14 one end of two level spray piping, and level-one spray piping 13 and 14 other end of two level spray piping are in parallel；
The liquid reserve tank 2 includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoir 2-1, is stored up per height
Three reservoir 2-1 of liquid case are highly continuously decreased from left to right, and described two sub- liquid reserve tank structure sizes are identical, often
It is located at intermediate reservoir 2-1 lateral walls top in a sub- liquid reserve tank and is respectively and fixedly provided with a desulfurizing agent's feeding system 19, per height
It is located at the top in intermediate reservoir 2-1 in liquid reserve tank and is respectively arranged with electric mixer 24, three liquid storages of every sub- liquid reserve tank
The lower parts slot 2-1 are infundibulate, and three lower parts reservoir 2-1 of every sub- liquid reserve tank connect with a discharging of waste liquid pipeline 23
Logical, described two 21 one end of liquid outlet conduit and the lateral wall of two sub- liquid reserve tanks are affixed, and each liquid outlet conduit
21 one end reservoir 2-1 minimum with height in corresponding sub- liquid reserve tank is connected to, and two 21 other ends of liquid outlet conduit are in parallel,
The port in parallel of two liquid outlet conduits 21 passes through connecting line 27 and level-one spray piping 13 and two level spray piping 14
Port in parallel is connected to, and is equipped with pump 22 on the connecting line 27, connecting line 27 passes through connecting pipeline 33 and liquid phase oxidation
Agent storage device 26 is connected to, and is located on the side wall of liquid reserve tank 2 above the most short reservoir 2-1 of height and is equipped with water filling port 25, overflow
8 other end of pipeline is connected to by two outlet ends of reflux line 18 with two sub- liquid reserve tanks, and the lower end of cyclone separator 3 passes through
Drainage pipeline 28 is connected to reflux line 18.
The operational process of present embodiment is as follows：
Selected desulfurizing agent is CaO, and PH is in 5.0-6.5 in control dust-removal and desulfurizing denitration reaction device 1.Selected denitration oxidant
For Oxygen in Liquid agent：ClO2Aqueous solution, NaClO2Solution or NaClO solution, 1 internal oxidition of control dust-removal and desulfurizing denitration reaction device
Agent strength of fluid is in 0.5-5%.
Selected desulfurizing agent is sent by the desulfurizing agent's feeding system 19 on 2 top of liquid reserve tank, and Oxygen in Liquid agent is then by liquid phase
Oxidation agent storage device 26 in 22 feeding liquid outlet conduit 21 of pump by mixing.
1）Boiler tail flue gas initially enters in gas inlet pipeline 4, sprays and fills containing the level-one of desulfurizing agent and oxidant
5 pairs of first spray desulfurization of 4 inlet flue gas of gas inlet pipeline progress are set to aoxidize and cool down.
2）Carry the smoke-box 1-1 that the flue gas of spray liquid passes through 1 top of dust-removal and desulfurizing denitration reaction device（Seal area）With into
Smoke pipe 7 rapidly enters from top to bottom carries out violent " boiling " reaction in the reaction solution of liquid chamber 1-2, and retains in flue gas largely
Dust.When flue gas is reacted in dust-removal and desulfurizing denitration reaction device 1 with reaction solution, if the liquid level of reaction solution is higher than overflow
Pipe 8, then extra liquid will flow back into liquid reserve tank 2 the highest reservoir 2-1 of height via reflux line 18 by overflow pipe 8
In.
3）Flue gas after reaction enters in exhanst gas outlet pipeline 11, and the two level spray equipment 12 in exhanst gas outlet pipeline 11 is right
Flue gas after reaction is sprayed again, ensures unreacted SO in flue gas2And NOXThe dust that the reaction was continued and escapes out
It retains again.
4）Wet flue gas after secondary spraying is entered by the accelerating sections being connected with cyclone separator 3 in cyclone separator 3.
Clean flue gas after the separation of cyclone separator 3 is directly discharged into air by the chimney 17 on 3 top of cyclone separator, and is detached
The drop to get off flows into reflux line 18 via the drainage pipeline 28 of separator bottom, flows into liquid reserve tank 2 to recycle profit later
With.
5）The solution containing oxidant and desulfurizing agent in liquid reserve tank 2 is passed back into, desulfurization is added in intermediate liquid reserve tank 2-1
After agent, PH 6.5-7.5, then level-one spray piping 13 and two level spray tube are respectively fed to through pump 22 by liquid outlet conduit 21
Road 14.
Only there are one operations for two sub- liquid reserve tanks when operation, another is in stand-by state, and a sub- liquid reserve tank needs clear
When reason, another sub- liquid reserve tank is enabled.
The desulfuration efficiency of the dust-removal and desulfurizing denitrification integrated device up to 95%-99%, denitration efficiency up to 80% or more,
Efficiency of dust collection is up to 95% or more, resistance 1500-2000Pa.
Specific implementation mode four：As shown in Figure 1, Figure 2 and shown in Fig. 4, a kind of dust-removal and desulfurizing described in specific implementation mode three is de-
Nitre integrated apparatus is equipped with control valve 1 on the level-one spray piping 13, pacifies on the two level spray piping 14
Equipped with control valve 2 30, there are one control valves 3 31 for each installation at two outlet ends on the reflux line 18, described
Two liquid outlet conduits 21 on be separately installed with control valve 4 32, control valve five is installed on the connecting pipeline 33
15,；Control valve 6 16 is installed on the discharging of waste liquid pipeline 23.
Specific implementation mode five：As shown in Fig. 1 ~ Fig. 4, a kind of dust-removal and desulfurizing denitrification integrated device, including dust-removal and desulfurizing
Denitration reaction device 1, cyclone separator 3, gas inlet pipeline 4, level-one spray equipment 5, more smoke-intake pipes 7, overflows at liquid reserve tank 2
Flow tube road 8, water-level monitoring window 9, blow-off pipe 10, exhanst gas outlet pipeline 11, two level spray equipment 12, level-one spray piping 13, two level
28, two spray piping 14, reflux line 18, pump 22, water filling port 25, connecting line 27, drainage pipeline desulfurizing agent's feeding systems
19, two discharging of waste liquid pipelines 23 of liquid outlet conduit 21, two of phase oxidative agent feeding system 20, two and two electric mixings
Mix device 24；
From top to bottom it is divided into smoke-box 1-1 and liquid chamber 1-2, the cigarette in the dust-removal and desulfurizing denitration reaction device 1
Room 1-1 and liquid chamber 1-2 are separated by partition board 1-3, and the gas inlet pipeline 4 and overflow pipe 8 are arranged at dedusting and take off
The outside of sulphur denitration reaction device 1, one end of gas inlet pipeline 4 and the side wall of dust-removal and desulfurizing denitration reaction device 1 it is affixed and
It is communicated with smoke-box 1-1, level-one spray equipment 5, the liquid chamber is from top to bottom sequentially arranged in the gas inlet pipeline 4
More smoke-intake pipes 7 are vertically provided in 1-2, the upper end of the more smoke-intake pipes 7 and partition board 1-3 are affixed, and more into cigarette
Pipe 7 is communicated with smoke-box 1-1, and the corresponding sections liquid chamber 1-2 are provided with water-level monitoring window on 1 side wall of dust-removal and desulfurizing denitration reaction device
9, described 8 one end of overflow pipe is affixed with the side wall of dust-removal and desulfurizing denitration reaction device 1 and is communicated with liquid chamber 1-2, liquid
The lower part of room 1-2 is funnel shaped, and the lower part of liquid chamber 1-2 is connected to 10 one end of blow-off pipe；The exhanst gas outlet pipeline 11
One end passes through the upper cover plate of dust-removal and desulfurizing denitration reaction device 1 that in smoke-box 1-1 and affixed with partition board 1-3, exhanst gas outlet is arranged
Pipeline 11 is communicated with liquid chamber 1-2, and two level spray equipment 12 is disposed in exhanst gas outlet pipeline 11, and exhanst gas outlet pipeline 11 is another
End is flue gas accelerating sections, and the flue gas accelerating sections end of exhanst gas outlet pipeline 11 and 3 side wall of cyclone separator are affixed, smoke outlet tube
Road 11 is communicated with cyclone separator 3；The level-one spray equipment 5 is connected to 13 one end of level-one spray piping, the two level
Spray equipment 12 is connected to 14 one end of two level spray piping, and level-one spray piping 13 and 14 other end of two level spray piping are in parallel；
The liquid reserve tank 2 includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoir 2-1, is stored up per height
Three reservoir 2-1 of liquid case are highly continuously decreased from left to right, and described two sub- liquid reserve tank structure sizes are identical, often
The reservoir 2-1 lateral walls top for being located at centre in a sub- liquid reserve tank is respectively and fixedly provided with a desulfurizing agent's feeding system 19 and one solid
Phase oxidation agent feeding system 20, the top being located in intermediate reservoir 2-1 in every sub- liquid reserve tank are respectively arranged with electric mixer
24, three lower parts reservoir 2-1 of every sub- liquid reserve tank are infundibulate, three lower parts reservoir 2-1 of every sub- liquid reserve tank
It is connected to a discharging of waste liquid pipeline 23, the lateral wall of described two liquid outlet conduits 21 one end and two sub- liquid reserve tanks
It is affixed, and the reservoir 2-1 connections that each 21 one end of liquid outlet conduit is minimum with height in corresponding sub- liquid reserve tank, two liquid
21 other end of body outlet conduit is in parallel, and the port in parallel of two liquid outlet conduits 21 passes through connecting line 27 and level-one spray tube
The port in parallel of road 13 and two level spray piping 14 is connected to, and pump 22, the side wall of liquid reserve tank 2 are equipped on the connecting line 27
It is upper be located above the most short reservoir 2-1 of height be equipped with water filling port 25,8 other end of overflow pipe pass through reflux line 18 two
Outlet end is connected to two sub- liquid reserve tanks, and the lower end of cyclone separator 3 is connected to by drainage pipeline 28 with reflux line 18.
The operational process of present embodiment is as follows：
Selected desulfurizing agent is MgO, and PH is in 5.0-6.5 in control dust-removal and desulfurizing denitration reaction device 1.Selected denitration oxidant
For phase oxidative agent：NaClO2Or NaClO solids, 1 inner oxidizing agent concentration of control dust-removal and desulfurizing denitration reaction device is in 0.5-5%.
Selected desulfurizing agent and oxidant are fed by the desulfurizing agent's feeding system 19 on 2 top of liquid reserve tank and phase oxidative agent
System 20 is sent into the sub- liquid reserve tank in side and is stirred.
1）Boiler tail flue gas initially enters in gas inlet pipeline 4, sprays and fills containing the level-one of desulfurizing agent and oxidant
5 pairs of 4 inlet flue gas of gas inlet pipeline are set to carry out first spray desulfurization, oxidation and cool down.
2）Carry the smoke-box 1-1 that the flue gas of spray liquid passes through 1 top of dust-removal and desulfurizing denitration reaction device（Seal area）With into
Smoke pipe 7 rapidly enters from top to bottom carries out violent " boiling " reaction in the reaction solution of liquid chamber 1-2, and retains in flue gas largely
Dust.When flue gas is reacted in dust-removal and desulfurizing denitration reaction device 1 with reaction solution, if the liquid level of reaction solution is higher than overflow
Pipe 8, then extra liquid will flow back into liquid reserve tank 2 the highest reservoir 2-1 of height via reflux line 18 by overflow pipe 8
In.
3）Flue gas after reaction enters in exhanst gas outlet pipeline 11, and the two level spray equipment 12 in exhanst gas outlet pipeline 11 is right
Flue gas after reaction is sprayed again, ensures unreacted SO in flue gas2And NOXThe dust that the reaction was continued and escapes out
It retains again.
4）Wet flue gas after secondary spraying is entered by the accelerating sections being connected with cyclone separator 3 in cyclone separator 3.
Clean flue gas after the separation of cyclone separator 3 is directly discharged into air by 3 top chimney 17 of cyclone separator, and is detached down
The drop come flows into reflux line 18 via the drainage pipeline 28 of separator bottom, flows into liquid reserve tank 2 to recycle later.
5）The solution containing oxidant and desulfurizing agent in liquid reserve tank 2 is passed back into, desulfurization is added in intermediate liquid reserve tank 2-1
After agent and oxidant, PH 6.5-7.5, then level-one spray piping 13 and two is respectively fed to through pump 22 by liquid outlet conduit 21
Grade spray piping 14.
Only there are one operations for two sub- liquid reserve tanks when operation, another is in stand-by state, and a sub- liquid reserve tank needs clear
When reason, another sub- liquid reserve tank is enabled.
The desulfuration efficiency of the dust-removal and desulfurizing denitrification integrated device up to 95%-99%, denitration efficiency up to 80% or more,
Efficiency of dust collection is up to 95% or more, resistance 1500-2000Pa.
Specific implementation mode six：As shown in Figure 1, Figure 2 and shown in Fig. 4, a kind of dust-removal and desulfurizing described in specific implementation mode five is de-
Nitre integrated apparatus is equipped with control valve 1 on the level-one spray piping 13, pacifies on the two level spray piping 14
Equipped with control valve 2 30, there are one control valves 3 31 for each installation at two outlet ends on the reflux line 18, described
Two liquid outlet conduits 21 on be separately installed with control valve 4 32, control valve is installed on the discharging of waste liquid pipeline 23
6 16.
The course of work is：As shown in Fig. 1 ~ Fig. 4, liquid reserve tank 2 only uses the sub- liquid reserve tank of wherein side, and other side stores up
Liquid case is spare.Desulfurizing agent is added by top desulfurization feeding system 19 in liquid reserve tank 2, and oxidant passes through gaseous oxidizing agent respectively
Jetting device 6, liquid phase oxidation agent storage device 26 and 2 top phase oxidative agent feeding system 20 of liquid reserve tank are sent into, by going out
The pH value of liquid controls desulfurizing agent feeding coal in mouth pipeline 21；By NOx concentration in flue gas according to O3:NOx ratio example（0.8-
1.1%）Control O3Addition；Pass through the concentration of 1 inner oxidizing agent of dust-removal and desulfurizing denitration reaction device（0.5-5%）Control oxidant is given
Doses.The height of liquid level is highly determined by overflow pipe 8 in dust-removal and desulfurizing denitration reaction device 1, and is observed by water-level monitoring window 9
In reaction unit " fluidized state ".
Mixed liquor is stirred by electric mixer 24 in liquid reserve tank 2, by liquid outlet conduit 21 and defeated with pump 22
It is sent in level-one spray equipment 5 and two level spray equipment 12.Level-one spray equipment 5 in gas inlet pipeline 4 is to inlet flue gas
It carries out spray oxidation sweetening for the first time and cools down simultaneously, then flue gas carrying spray liquid enters dedusting by gas inlet pipeline 4 and takes off
The smoke-box 1-1 on 1 top of sulphur denitration reaction device（Seal area）.Finally by more smoke-intake pipes 7 from top to bottom quickly by wet flue gas
It is passed through and carries out violent " boiling " reaction in the reaction solution of liquid chamber 1-2, and a large amount of exhaust gas dusts are trapped in reaction liquid.
It is come into full contact with from the flue gas of the ejection of smoke-intake pipe 7 with reaction solution, improves reaction rate and dust removing effects.
When flue gas is reacted in dust-removal and desulfurizing denitration reaction device 1 with reaction solution, if the liquid level of reaction solution is higher than
Overflow pipe 8, then extra liquid will flow back into liquid reserve tank 2 the highest liquid storage of height via reflux line 18 by overflow pipe 8
In slot 2-1.Flue gas after reaction enters exhanst gas outlet pipeline 11, and two level spray equipment 12 is to reaction in exhanst gas outlet pipeline 11
Flue gas afterwards is sprayed again, ensures unreacted SO in flue gas2And NOXThe dust that the reaction was continued and escapes out is cut again
It stays.Wet flue gas after secondary spraying is entered by the accelerating sections being connected with cyclone separator 3 in cyclone separator 3.
Because demister separation water droplet principle is inertial separation, " gypsum rain " is frequently resulted in when demister work is abnormal,
Serious secondary pollution is caused, to solve this problem, the present invention forces separation water droplet, separation using the centrifugal force of cyclone separator
Effect is much better than 3 grades or more demisters, thoroughly solves " gypsum rain " problem.The liquid that will be carried in flue gas by cyclone separator 3
Drop is separated, while greatly improving dust removing effects, the reaction solution recycling isolated.After the separation of cyclone separator 3
Clean flue gas air is directly discharged by 3 top chimney 17 of cyclone separator, and the dirt drop of taking separated then passes through
Drainage pipeline 28 flows into through reflux line 18 and realizes recycling for reaction solution in liquid reserve tank 2.
With the progress of reaction, reaction solution can contain a large amount of dust and other insoluble precipitations in liquid reserve tank 2.Pass through storage
Periodically discharge sediment and waste liquid enter plate and frame filter press to the discharging of waste liquid pipeline 23 of 2 side of liquid case, after press filtration at filter cake landfill
Reason, filtrate return to system reuse.Ensure the normal overflow of reaction solution and normal anti-by 25 water filling of water filling port of liquid reserve tank 2
Answer liquid level.
Corrosion-resistant, acid resisting material can be used in dust-removal and desulfurizing denitration reaction device 1 and cyclone separator 3 and each pipeline
316L is made, and liquid reserve tank 2, each pipeline and each control valve can be used PVC material and be made, and pump 22 uses resistance to sour water pump.
The raw material of reaction solution is desulfurizing agent and denitration oxidant in above-mentioned apparatus.The desulfurizing agent is CaCO3, CaO or
MgO.The denitration oxidant is O3、ClO2、NaClO2, NaClO any one.
Above-mentioned apparatus dust-removal and desulfurizing denitration ability and specification size can be adjusted according to connected boiler output, ranging from
0.5~165t/h.It can accordingly simplify processing unit for compared with arcola, reduce cost.Above-mentioned dust-removal and desulfurizing denitrification integrated device
Desulfuration efficiency up to 95%-99%, denitration efficiency is up to 80% or more, and efficiency of dust collection is up to 95% or more.And meet SO2≤50-
100mg/m3, NOX≤100 mg/m3, flue dust：5-30mg/m3.The resistance of a whole set of dust-removal and desulfurizing denitrification integrated device is 1500-
2000Pa。
Claims (6)
1. a kind of dust-removal and desulfurizing denitrification integrated device, it is characterised in that：Including dust-removal and desulfurizing denitration reaction device (1), liquid storage
Case (2), gas inlet pipeline (4), level-one spray equipment (5), gaseous oxidizing agent jetting device (6), overflows at cyclone separator (3)
Flow tube road (8), water-level monitoring window (9), blow-off pipe (10), exhanst gas outlet pipeline (11), two level spray equipment (12), level-one spray tube
Road (13), two level spray piping (14), reflux line (18), pump (22), water filling port (25), connecting line (27), drainage pipeline
(28), more smoke-intake pipes (7), two desulfurizing agent's feeding systems (19), two liquid outlet conduits (21), two discharging of waste liquid pipes
Road (23) and two electric mixers (24)；
From top to bottom it is divided into smoke-box (1-1) and liquid chamber (1-2) in the dust-removal and desulfurizing denitration reaction device (1), it is described
Smoke-box (1-1) and liquid chamber (1-2) are separated by partition board (1-3), and the gas inlet pipeline (4) and overflow pipe (8) are equal
It is arranged in the outside of dust-removal and desulfurizing denitration reaction device (1), one end and the dust-removal and desulfurizing denitration reaction of gas inlet pipeline (4) fill
The side wall for setting (1) is affixed and communicated with smoke-box (1-1), and level-one is from top to bottom sequentially arranged in the gas inlet pipeline (4)
Spray equipment (5) and gaseous oxidizing agent jetting device (6), the liquid chamber (1-2) is interior to be vertically provided with more smoke-intake pipes
(7), the upper end of the more smoke-intake pipes (7) and partition board (1-3) are affixed, and more smoke-intake pipes (7) communicate with smoke-box (1-1),
Water-level monitoring window (9) is provided on dust-removal and desulfurizing denitration reaction device (1) side wall with the corresponding section liquid chamber (1-2), described overflows
Flow tube road (8) one end is affixed with the side wall of dust-removal and desulfurizing denitration reaction device (1) and is communicated with liquid chamber (1-2), liquid chamber (1-
2) lower part is funnel shaped, and the lower part of liquid chamber (1-2) is connected to blow-off pipe (10) one end；The exhanst gas outlet pipeline
(11) one end passes through the upper cover plate setting of dust-removal and desulfurizing denitration reaction device (1) in smoke-box (1-1) and solid with partition board (1-3)
It connects, exhanst gas outlet pipeline (11) is communicated with liquid chamber (1-2), and two level spray equipment is disposed in exhanst gas outlet pipeline (11)
(12), exhanst gas outlet pipeline (11) other end is flue gas accelerating sections, flue gas accelerating sections end and the rotation of exhanst gas outlet pipeline (11)
Wind separator (3) side wall is affixed, and exhanst gas outlet pipeline (11) is communicated with cyclone separator (3)；The level-one spray equipment (5)
It being connected to level-one spray piping (13) one end, the two level spray equipment (12) is connected to two level spray piping (14) one end,
Level-one spray piping (13) and two level spray piping (14) other end are in parallel；
The liquid reserve tank (2) includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs (2-1), is stored up per height
Three reservoirs (2-1) of liquid case highly continuously decrease from left to right, and described two sub- liquid reserve tank structure sizes are identical,
It is located at intermediate reservoir (2-1) lateral wall top in every sub- liquid reserve tank and is respectively and fixedly provided with a desulfurizing agent's feeding system (19),
It is located at the top in intermediate reservoir (2-1) in every sub- liquid reserve tank and is respectively arranged with electric mixer (24), every sub- liquid reserve tank
Three reservoir (2-1) lower parts be infundibulate, three reservoir (2-1) lower parts of every sub- liquid reserve tank with a waste liquid
Discharge tube (23) is connected to, and described two liquid outlet conduit (21) one end and the lateral wall of two sub- liquid reserve tanks are affixed, and
Each liquid outlet conduit (21) one end is connected to the minimum reservoir (2-1) of height in corresponding sub- liquid reserve tank, two liquid
Outlet conduit (21) other end is in parallel, and the port in parallel of two liquid outlet conduits (21) is sprayed by connecting line (27) and level-one
The port in parallel of shower pipe road (13) and two level spray piping (14) is connected to, and pump (22) is equipped on the connecting line (27),
It is located on the side wall of liquid reserve tank (2) above the most short reservoir (2-1) of height and is equipped with water filling port (25), overflow pipe (8) is another
End is connected to by two outlet ends of reflux line (18) with two sub- liquid reserve tanks, and the lower end of cyclone separator (3) passes through draining
Pipeline (28) is connected to reflux line (18).
2. a kind of dust-removal and desulfurizing denitrification integrated device according to claim 1, it is characterised in that：The level-one spray
Control valve one (29) is installed on pipeline (13), control valve two (30) is installed on the two level spray piping (14), it is described
Reflux line (18) on there are one control valve three (31), described two liquid outlet tubes for each installation at two outlet ends
Road is separately installed with control valve four (32) on (21).
3. a kind of dust-removal and desulfurizing denitrification integrated device, it is characterised in that：Including dust-removal and desulfurizing denitration reaction device (1), liquid storage
Case (2), cyclone separator (3), gas inlet pipeline (4), level-one spray equipment (5), overflow pipe (8), water-level monitoring window (9),
Blow-off pipe (10), exhanst gas outlet pipeline (11), two level spray equipment (12), level-one spray piping (13), two level spray piping
(14), reflux line (18), pump (22), water filling port (25), connecting line (27), connecting pipeline (33), the storage of Oxygen in Liquid agent
Device (26), drainage pipeline (28), more smoke-intake pipes (7), two desulfurizing agent's feeding systems (19), two liquid outlet conduits
(21), two discharging of waste liquid pipelines (23) and two electric mixers (24)；
From top to bottom it is divided into smoke-box (1-1) and liquid chamber (1-2) in the dust-removal and desulfurizing denitration reaction device (1), it is described
Smoke-box (1-1) and liquid chamber (1-2) are separated by partition board (1-3), and the gas inlet pipeline (4) and overflow pipe (8) are equal
It is arranged in the outside of dust-removal and desulfurizing denitration reaction device (1), one end and the dust-removal and desulfurizing denitration reaction of gas inlet pipeline (4) fill
The side wall for setting (1) is affixed and communicated with smoke-box (1-1), and level-one is from top to bottom sequentially arranged in the gas inlet pipeline (4)
Spray equipment (5), the liquid chamber (1-2) is interior to be vertically provided with more smoke-intake pipes (7), the more smoke-intake pipes (7)
Upper end and partition board (1-3) it is affixed, and more smoke-intake pipes (7) communicate with smoke-box (1-1), dust-removal and desulfurizing denitration reaction device (1)
The corresponding section liquid chamber (1-2) is provided with water-level monitoring window (9), the overflow pipe (8) one end and dust-removal and desulfurizing on side wall
The side wall of denitration reaction device (1) is affixed and is communicated with liquid chamber (1-2), and the lower part of liquid chamber (1-2) is funnel shaped, liquid
The lower part of room (1-2) is connected to blow-off pipe (10) one end；Described exhanst gas outlet pipeline (11) one end passes through dust-removal and desulfurizing denitration
The upper cover plate of reaction unit (1) is arranged in smoke-box (1-1) and affixed, exhanst gas outlet pipeline (11) and liquid with partition board (1-3)
(1-2) is communicated for room, is disposed with two level spray equipment (12) in exhanst gas outlet pipeline (11), exhanst gas outlet pipeline (11) other end is
Flue gas accelerating sections, the flue gas accelerating sections end of exhanst gas outlet pipeline (11) and cyclone separator (3) side wall are affixed, smoke outlet tube
Road (11) is communicated with cyclone separator (3)；The level-one spray equipment (5) is connected to level-one spray piping (13) one end, institute
The two level spray equipment (12) stated is connected to two level spray piping (14) one end, level-one spray piping (13) and two level spray piping
(14) other end is in parallel；
The liquid reserve tank (2) includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs (2-1), is stored up per height
Three reservoirs (2-1) of liquid case highly continuously decrease from left to right, and described two sub- liquid reserve tank structure sizes are identical,
It is located at intermediate reservoir (2-1) lateral wall top in every sub- liquid reserve tank and is respectively and fixedly provided with a desulfurizing agent's feeding system (19),
It is located at the top in intermediate reservoir (2-1) in every sub- liquid reserve tank and is respectively arranged with electric mixer (24), every sub- liquid reserve tank
Three reservoir (2-1) lower parts be infundibulate, three reservoir (2-1) lower parts of every sub- liquid reserve tank with a waste liquid
Discharge tube (23) is connected to, and described two liquid outlet conduit (21) one end and the lateral wall of two sub- liquid reserve tanks are affixed, and
Each liquid outlet conduit (21) one end is connected to the minimum reservoir (2-1) of height in corresponding sub- liquid reserve tank, two liquid
Outlet conduit (21) other end is in parallel, and the port in parallel of two liquid outlet conduits (21) is sprayed by connecting line (27) and level-one
The port in parallel of shower pipe road (13) and two level spray piping (14) is connected to, and pump (22) is equipped on the connecting line (27),
Connecting line (27) is connected to by connecting pipeline (33) with liquid phase oxidation agent storage device (26), and the side wall of liquid reserve tank (2) is upper
Water filling port (25) is equipped with above highly most short reservoir (2-1), overflow pipe (8) other end passes through reflux line (18)
Two outlet ends are connected to two sub- liquid reserve tanks, and the lower end of cyclone separator (3) passes through drainage pipeline (28) and reflux line
(18) it is connected to.
4. a kind of dust-removal and desulfurizing denitrification integrated device according to claim 3, it is characterised in that：The level-one spray
Control valve one (29) is installed on pipeline (13), control valve two (30) is installed on the two level spray piping (14), it is described
Reflux line (18) on there are one control valve three (31), described two liquid outlet tubes for each installation at two outlet ends
Control valve four (32) is separately installed on road (21), the connecting pipeline is equipped with control valve five (15) on (33).
5. a kind of dust-removal and desulfurizing denitrification integrated device, it is characterised in that：Including dust-removal and desulfurizing denitration reaction device (1), liquid storage
Case (2), cyclone separator (3), gas inlet pipeline (4), level-one spray equipment (5), more smoke-intake pipes (7), overflow pipes
(8), water-level monitoring window (9), blow-off pipe (10), exhanst gas outlet pipeline (11), two level spray equipment (12), level-one spray piping
(13), two level spray piping (14), reflux line (18), pump (22), water filling port (25), connecting line (27), drainage pipeline
(28), two desulfurizing agent's feeding systems (19), two phase oxidative agent feeding systems (20), two liquid outlet conduits (21),
Two discharging of waste liquid pipelines (23) and two electric mixers (24)；
From top to bottom it is divided into smoke-box (1-1) and liquid chamber (1-2) in the dust-removal and desulfurizing denitration reaction device (1), it is described
Smoke-box (1-1) and liquid chamber (1-2) are separated by partition board (1-3), and the gas inlet pipeline (4) and overflow pipe (8) are equal
It is arranged in the outside of dust-removal and desulfurizing denitration reaction device (1), one end and the dust-removal and desulfurizing denitration reaction of gas inlet pipeline (4) fill
The side wall for setting (1) is affixed and communicated with smoke-box (1-1), and level-one is from top to bottom sequentially arranged in the gas inlet pipeline (4)
Spray equipment (5), the liquid chamber (1-2) is interior to be vertically provided with more smoke-intake pipes (7), the more smoke-intake pipes (7)
Upper end and partition board (1-3) it is affixed, and more smoke-intake pipes (7) communicate with smoke-box (1-1), dust-removal and desulfurizing denitration reaction device (1)
The corresponding section liquid chamber (1-2) is provided with water-level monitoring window (9), the overflow pipe (8) one end and dust-removal and desulfurizing on side wall
The side wall of denitration reaction device (1) is affixed and is communicated with liquid chamber (1-2), and the lower part of liquid chamber (1-2) is funnel shaped, liquid
The lower part of room (1-2) is connected to blow-off pipe (10) one end；Described exhanst gas outlet pipeline (11) one end passes through dust-removal and desulfurizing denitration
The upper cover plate of reaction unit (1) is arranged in smoke-box (1-1) and affixed, exhanst gas outlet pipeline (11) and liquid with partition board (1-3)
(1-2) is communicated for room, is disposed with two level spray equipment (12) in exhanst gas outlet pipeline (11), exhanst gas outlet pipeline (11) other end is
Flue gas accelerating sections, the flue gas accelerating sections end of exhanst gas outlet pipeline (11) and cyclone separator (3) side wall are affixed, smoke outlet tube
Road (11) is communicated with cyclone separator (3)；The level-one spray equipment (5) is connected to level-one spray piping (13) one end, institute
The two level spray equipment (12) stated is connected to two level spray piping (14) one end, level-one spray piping (13) and two level spray piping
(14) other end is in parallel；
The liquid reserve tank (2) includes two sub- liquid reserve tanks, and every sub- liquid reserve tank is divided into three reservoirs (2-1), is stored up per height
Three reservoirs (2-1) of liquid case highly continuously decrease from left to right, and described two sub- liquid reserve tank structure sizes are identical,
Be located in every sub- liquid reserve tank intermediate reservoir (2-1) lateral wall top be respectively and fixedly provided with a desulfurizing agent's feeding system (19) and
One phase oxidative agent feeding system (20), the top being located in intermediate reservoir (2-1) in every sub- liquid reserve tank are respectively arranged with
Three reservoir (2-1) lower parts of electric mixer (24), every sub- liquid reserve tank are infundibulate, three of every sub- liquid reserve tank
The lower part reservoir (2-1) is connected to a discharging of waste liquid pipeline (23), described two liquid outlet conduit (21) one end with
The lateral wall of two sub- liquid reserve tanks is affixed, and each liquid outlet conduit (21) one end and height in corresponding sub- liquid reserve tank are minimum
Reservoir (2-1) connection, two liquid outlet conduit (21) other ends are in parallel, the parallel connected end of two liquid outlet conduits (21)
Mouth is connected to by connecting line (27) with the port in parallel of level-one spray piping (13) and two level spray piping (14), the company
It takes on road (27) and pump (22) is installed, be located on the side wall of liquid reserve tank (2) above the most short reservoir (2-1) of height and be equipped with note
The mouth of a river (25), overflow pipe (8) other end are connected to by two outlet ends of reflux line (18) with two sub- liquid reserve tanks, whirlwind
The lower end of separator (3) is connected to by drainage pipeline (28) with reflux line (18).
6. a kind of dust-removal and desulfurizing denitrification integrated device according to claim 5, it is characterised in that：The level-one spray
Control valve one (29) is installed on pipeline (13), control valve two (30) is installed on the two level spray piping (14), it is described
Reflux line (18) on there are one control valve three (31), described two liquid outlet tubes for each installation at two outlet ends
Road is separately installed with control valve four (32) on (21).
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| CN201610740720.0A CN106268231B (en) | 2016-08-29 | 2016-08-29 | A kind of dust-removal and desulfurizing denitrification integrated device |
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| CN201610740720.0A CN106268231B (en) | 2016-08-29 | 2016-08-29 | A kind of dust-removal and desulfurizing denitrification integrated device |
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| CN106268231A CN106268231A (en) | 2017-01-04 |
| CN106268231B true CN106268231B (en) | 2018-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110833742B (en) * | 2019-12-06 | 2023-10-24 | 中冶焦耐(大连)工程技术有限公司 | Dust-containing tail gas purifying device and process |
| CN117065542A (en) * | 2023-09-26 | 2023-11-17 | 河北炳岩新材科技有限公司 | Desulfurization equipment is used in production of green metal steel casting |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2417154A1 (en) * | 2000-07-24 | 2002-01-31 | Shawn Alan Stewart | A method and system for purifying or cleansing a gas stream or gaseous body |
| CN204107328U (en) * | 2013-12-17 | 2015-01-21 | 张继惟 | A kind of high-concentration fume purifier |
| CN205261607U (en) * | 2016-01-07 | 2016-05-25 | 浙江宏宇环保工程设备有限公司 | Whirlwind disconnect -type deNOx systems |
-
2016
- 2016-08-29 CN CN201610740720.0A patent/CN106268231B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2417154A1 (en) * | 2000-07-24 | 2002-01-31 | Shawn Alan Stewart | A method and system for purifying or cleansing a gas stream or gaseous body |
| CN204107328U (en) * | 2013-12-17 | 2015-01-21 | 张继惟 | A kind of high-concentration fume purifier |
| CN205261607U (en) * | 2016-01-07 | 2016-05-25 | 浙江宏宇环保工程设备有限公司 | Whirlwind disconnect -type deNOx systems |
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