CN110455090A - A kind of efficient swirling flow atomizing desulfurization and dust-removal method - Google Patents
A kind of efficient swirling flow atomizing desulfurization and dust-removal method Download PDFInfo
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- CN110455090A CN110455090A CN201910852903.5A CN201910852903A CN110455090A CN 110455090 A CN110455090 A CN 110455090A CN 201910852903 A CN201910852903 A CN 201910852903A CN 110455090 A CN110455090 A CN 110455090A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Y02P10/25—Process efficiency
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Abstract
The invention discloses a kind of efficient swirling flow atomizing desulfurization and dust-removal methods, are related to desulfurization and dedusting technology field.The present invention includes boiler, water-bath heater, several rotational flow atomizers, first motor and the second motor, the fixation of boiler exit gas mouth one end is communicated with the first exhaust gases passes, the first exhaust gases passes other end is fixed to be communicated with air preheater, and the fixation of air preheater gas outlet one end is communicated with the tail portion road Yan Re.The present invention carries out the basis atomization of desulfurization wastewater by several rotational flow atomizers, exhaust fan is cooperated to carry out the secondary-atomizing of desulfurization wastewater again, heated for controlling temperature is carried out to desulfurization wastewater in desulfurization wastewater pond using water-bath heater simultaneously, cone spiral vane finally is set in the tail portion road Yan Re inner wall, and cooperate the collision of turbine progress flue gas and atomizing particle, so that the intensity and significant effect of the two collision increase, so that the desulfurization and dedusting effect of flue gas is more significant, the efficiency of flue gas desulfurization and dedusting is directly enhanced.
Description
Technical field
The invention belongs to desulfurization and dedusting technology fields, more particularly to a kind of efficient swirling flow atomizing desulfurization and dust-removal method.
Background technique
With the rapid development of industry, thermoelectricity installed capacity in China's constantly increases, but consequent is the row of pollutant
It puts total amount to be continuously increased, to cause huge destruction to ecological environment, therefore flue gas desulfurization processing technique is gradually closed
Note.Currently, strong applicability, desulfuration efficiency are high, absorbent utilization rate is high, equipment because having for Limestone-gypsum Wet Flue Gas Desulfurization Process technology
The advantages that running rate is high, desulfurizing agent lime stone abundance is cheap and easy to get, becomes desulfurization work most widely used, that technology is most mature
Skill.However, the acidity of desulfurization wastewater caused by the technique is higher, and contain a large amount of suspended matter, oversaturated sulfurous acid
Salt, sulfate, fluoride and micro heavy metal are not able to satisfy the basic demand of national environmental standard, and using common
Discharge index is also unable to reach after the chemical methodes processing such as neutralization, flocculation, precipitating.
Currently, in the Zero-discharge treating process field of desulfurization wastewater, there are two main classes process route: evaporative crystallization method and pot
Furnace flue facture.Evaporative crystallization method is introduced into desulfurization wastewater in special evaporator, is heated by steam or electric heater
To boiling, so that the moisture in waste water gradually flashes to gas phase, regelation obtains separated gas phase water at liquid phase after cooling
Suspended matter and solable matter to recycling, while in waste water are trapped within steaming raffinate with the increase of cycles of concentration
In, finally it is precipitated with crystal form.Evaporative crystallization method is excellent because its heat transfer coefficient is high, operating flexibility is big, water inlet pretreatment is simple etc.
Point is widely used in the fields such as chemical industry, medicine, sea water desalination and wastewater treatment.But energy possessed by evaporative crystallization method
The disadvantages of consumption is high, the easy fouling of equipment and investment are big is an important factor for restricting its application.And boiler flue facture is in flue
A kind of method of internal spraying evaporation process desulfurization wastewater.I.e. by certain spray regime, electricity is sprayed into after desulfurization wastewater is atomized
In boiler back end ductwork before deduster, so that the rapid boil-off gas under the heating of high-temperature flue gas of the waste water drop after atomization
Change, and suspended matter therein and solable matter then form tiny solid particle, under the entrainment effect of flue gas stream together into
Enter electric precipitator to be captured by electrode, become ash content exclusion, realizes the waste water near-zero release processing of desulfurization.With traditional evaporative crystallization
Method is compared, and equipment required for flue facture is simple, without adding additional chemical agent, can effectively solve the problem that current waste water
Number of devices present in processing system is more, investment amount is huge, operating cost is high and the larger workload of repair and maintenance
The disadvantages of.
But existing flue facture uses not extensively in actual application, is primarily due to it in desulfurization and dedusting
During efficiency it is lower, the time is longer, the actual demand during being unable to meet production.In view of the above-mentioned problems, our company is logical
Repetition test is crossed, it is found that the atomizing particle size, the temperature of desulfurization wastewater and atomizing particle of desulfurization wastewater are mixed with flue gas and touched
The intensity hit directly determines the desulfurization dust-removing efficiency of flue gas.So a kind of efficient swirling flow atomizing desulfurization has been invented by our company
Dust removal method so that the desulfurization and dedusting effect of flue gas is able to satisfy the demand of actual production, and is more in line with national environmental standard
Basic demand.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient swirling flow atomizing desulfurization and dust-removal methods, pass through several rotational flow atomizers
The basis atomization of desulfurization wastewater, then the secondary-atomizing for cooperating exhaust fan to carry out desulfurization wastewater are carried out, while utilizing water-bath heater
Heated for controlling temperature is carried out to desulfurization wastewater in desulfurization wastewater pond, cone spiral vane finally is set in the tail portion road Yan Re inner wall, and match
The collision that turbine carries out flue gas and atomizing particle is closed, so that the intensity and significant effect of the two collision increase, so that flue gas
Desulfurization and dedusting effect it is more significant.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of efficient swirling flow atomizing desulfurization and dust-removal method, including boiler, water-bath heater, several eddy flow mists
Change device, first motor and the second motor, the fixation of boiler exit gas mouth one end is communicated with the first exhaust gases passes, first flue gas
The channel other end is fixed to be communicated with air preheater, and the fixation of air preheater gas outlet one end is communicated with the tail portion road Yan Re,
The road tail portion Yan Re gas outlet one end is fixed to be communicated with electric precipitator, and electric precipitator gas outlet one end is fixed to be communicated with the
Two exhaust gases passes, the second exhaust gases passes other end is fixed to be communicated with desulfurizing tower, and desulfurizing tower gas outlet one end is fixed to be connected
Third exhaust gases passes are connected with, the third exhaust gases passes other end is fixed to be communicated with chimney, and desulfurizing tower water outlet one end is solid
Surely it is communicated with desulfurization wastewater pond, the desulfurization wastewater pond is placed in inside water-bath heater, described desulfurization wastewater pond water outlet one end
Fixed to be communicated with swirling flow atomizing pump, the swirling flow atomizing pumps out the fixation of mouth of a river one end and is communicated with waste water tunnel, the waste water tunnel
It is equipped with flow control valve, fixation is connected to the waste water tunnel other end respectively with several rotational flow atomizer water inlets one end, if
The rotational flow atomizer is done to be arranged on the road Yan Re of tail portion and be connected to the fixation of the tail portion road Yan Re；
The road tail portion Yan Re inner wall is successively fixed with first flange, cone spiral vane and second flange from top to bottom,
First motor output shaft one end is fixed with the first strut, and the first strut other end sequentially passes through the hot pipeline outer wall of tail portion cigarette
With one surface of first flange and be fixed with exhaust fan, second motor output shaft one end is fixed with the second strut, described second
The strut other end sequentially passes through the hot pipeline outer wall of tail portion cigarette and one surface of second flange and is fixed with turbine；
Swirling flow atomizing desulfurization and dust-removal method includes the following steps:
The atomization of SS001 desulfurization wastewater: adjusting flow control valve first controls the feed flow of desulfurization wastewater, connects
Starting water-bath heater the desulfurization wastewater temperature in desulfurization wastewater pond is controlled, then to swirling flow atomizing pump be powered, make
It obtains swirling flow atomizing pump to draw the desulfurization wastewater in desulfurization wastewater pond into several rotational flow atomizers along waste water tunnel, Ruo Ganxuan
It flows atomizer and eddy flow centrifuge separation and atomization process is carried out to desulfurization wastewater, so that desulfurization wastewater switchs to graininess mist state by liquid
And enter the road tail portion Yan Re in, while to first motor be powered so that first motor drive exhaust fan rotation, exhaust fan can into
Desulfurization wastewater after entering the atomization in the road Yan Re of tail portion carries out secondary-atomizing processing, so that desulfurization wastewater fogging degree is higher,
Grain number amount further increases；
The processing of SS002 flue gas ash removal: the flue gas for generation of burning in boiler can be along the first exhaust gases passes and air preheater
It is mixed into the road Yan Re of tail portion with the desulfurization wastewater after atomization, to the second electrical power, so that the second motor drives turbine to turn
It is dynamic, during turbine rotation can the road tie tail Yan Re inner wall cone spiral vane make flue gas inside the road Yan Re of tail portion with
The mixed gas formation scroll air-flow of desulfurization wastewater after atomization, to accelerate the mixing of desulfurization wastewater after flue gas and atomization, touch
It hits and coalescence, so that the particle in the dust and desulfurization wastewater in flue gas mutually condenses and forms biggish fixed particle, and thereon
Moisture can be evaporated by the waste heat in flue gas, finally, the flue gas after mixed processing enters in electric precipitator, electric precipitator can be to mixed
The fixation particle closed in flue gas carries out capture processing, so that fixed particle is able to be precipitated and be discharged；
Desulfurization process after SS003 flue gas ash removal: after the processing of step SS002, the flue gas after dedusting is along second
Exhaust gases passes, which enter, carries out desulfurization process in desulfurizing tower, so that the sulfide in flue gas is able to react and be deposited in desulfurizing tower,
Flue gas after desulfurization and dedusting can be discharged along third exhaust gases passes and chimney, so that the desulfurization and dedusting processing of flue gas is completed, and
So that flue gas desulfurization and dedusting processing is able to continuous reciprocation cycle.
Further, the exhaust fan is located at immediately below several rotational flow atomizers, so that de- after rotational flow atomizer atomization
Sulphur waste water is able to enter in the road tail portion Yan Re after being further atomized to be reacted with flue gas.
Further, it is provided with blender in the desulfurization wastewater pond, for being stirred to desulfuration solution, to prevent
The particulate matter precipitating generated in flue gas desulfurization course.
Further, the particle diameter range of the desulfurization wastewater in the step SS002 after atomization process twice is 1
μm -10 μm, so that the desulfurization wastewater after flue dust and atomization is easier to condense, and the fixation particle after condensation is easier
It is evaporated by the waste heat in flue gas.
The invention has the following advantages:
The present invention carries out the basis atomization of desulfurization wastewater by several rotational flow atomizers, then cooperates exhaust fan progress desulfurization useless
The secondary-atomizing of water, so that the fogging degree of desulfurization wastewater is higher, granule number increases, while useless to desulfurization using water-bath heater
Desulfurization wastewater carries out heated for controlling temperature in pond, so that the temperature of desulfurization wastewater is more suitable for handling flue gas, finally in the tail portion road Yan Re
Inner wall be arranged cone spiral vane, and cooperate turbine carry out flue gas and atomizing particle collision so that the two collision intensity and
Significant effect increases, so that the desulfurization and dedusting effect of flue gas is more significant, directly enhances the effect of flue gas desulfurization and dedusting
Rate, so that fume treatment has better met actual production and the basic demand of national environmental standard.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the schematic diagram of inventive desulfurization, dedusting；
Fig. 2 is the structural schematic diagram of the road tail portion Yan Re, exhaust fan, turbine and cone spiral vane；
In attached drawing, parts list represented by the reference numerals are as follows:
1- boiler, the first exhaust gases passes of 2-, 3- air preheater, the tail portion the 4- road Yan Re, 5- electric precipitator, the second flue gas of 6-
Channel, 7- desulfurizing tower, 8- third exhaust gases passes, 9- chimney, 10- desulfurization wastewater pond, 11- water-bath heater, 12- swirling flow atomizing
Pump, 13- waste water tunnel, 14- rotational flow atomizer, 15- flow control valve, 16- first flange, 17- second flange, the first electricity of 18-
Machine, the first strut of 19-, 20- exhaust fan, the second motor of 21-, the second strut of 22-, 23- turbine, 24- cone spiral vane.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, the present invention is a kind of efficient swirling flow atomizing desulfurization and dust-removal method, including boiler 1, water-bath
11, four rotational flow atomizers 14 of heater, first motor 18 and the second motor 21,1 gas outlet one end of boiler is fixed to be communicated with the
One exhaust gases passes 2,2 other end of the first exhaust gases passes is fixed to be communicated with air preheater 3, and 3 gas outlet one end of air preheater is solid
Surely it is communicated with the tail portion road Yan Re 4, the fixation of 4 gas outlet one end of the tail portion road Yan Re is communicated with electric precipitator 5,5 gas outlet of electric precipitator
One end is fixed to be communicated with the second exhaust gases passes 6, and the fixation of 6 other end of the second exhaust gases passes is communicated with desulfurizing tower 7,7 outlet of desulfurizing tower
Mouth one end is fixed to be communicated with third exhaust gases passes 8, and 8 other end of third exhaust gases passes is fixed to be communicated with chimney 9, and desulfurizing tower 7 is discharged
The fixation of mouth one end is communicated with desulfurization wastewater pond 10, and desulfurization wastewater pond 10 is placed in inside water-bath heater 11, and desulfurization wastewater pond 10 goes out
Mouth of a river one end is fixed to be communicated with swirling flow atomizing pump 12, and swirling flow atomizing pumps the fixation of 12 water outlet one end and is communicated with waste water tunnel 13, gives up
Aquaporin 13 is equipped with flow control valve 15, and 13 other end of waste water tunnel and four 14 water inlet one end of rotational flow atomizer are solid respectively
Fixed connection, four rotational flow atomizers 14 are arranged on the tail portion road Yan Re 4 and are connected to the fixation of the tail portion road Yan Re 4；
The road Yan Re 4 inner wall in tail portion is successively fixed with first flange 16, cone spiral vane 24 and second flange from top to bottom
17,18 output shaft one end of first motor is fixed with the first strut 19, and 19 other end of the first strut sequentially passes through outside the tail portion road Yan Re 4
Wall and 16 1 surface of first flange and it being fixed with exhaust fan 20,21 output shaft one end of the second motor is fixed with the second strut 22, and
Two struts, 22 other end sequentially passes through 4 outer wall of the tail portion road Yan Re and 17 1 surface of second flange and is fixed with turbine 23；
Swirling flow atomizing desulfurization and dust-removal method includes the following steps:
The atomization of SS001 desulfurization wastewater: adjusting flow control valve 15 first controls the feed flow of desulfurization wastewater,
Then starting water-bath heater 11 controls the desulfurization wastewater temperature in desulfurization wastewater pond 10, then to swirling flow atomizing pump 12
It is powered, so that swirling flow atomizing pump 12 draws the desulfurization wastewater in desulfurization wastewater pond 10 to four eddy flow mists along waste water tunnel 13
Change in device 14, four rotational flow atomizers 14 carry out eddy flow centrifuge separation and atomization process to desulfurization wastewater so that desulfurization wastewater by
Liquid switchs to graininess mist state and enters in the road tail portion Yan Re 4, while being powered to first motor 18, so that first motor 18 drives
Exhaust fan 20 rotates, and exhaust fan 20 can carry out secondary-atomizing processing to the desulfurization wastewater after the atomization entered in the road tail portion Yan Re 4,
So that desulfurization wastewater fogging degree is higher, amounts of particles further increases；
The processing of SS002 flue gas ash removal: the flue gas for generation of burning in boiler 1 can be along the first exhaust gases passes 2 and air preheat
Device 3 enters in the road tail portion Yan Re 4 to be mixed with the desulfurization wastewater after atomization, is powered to the second motor 21, so that 21 band of the second motor
Dynamic turbine 23 rotates, and the cone spiral vane 24 of meeting 4 inner wall of the road tie tail Yan Re makes tail portion cigarette in 23 rotation process of turbine
The mixed gas of desulfurization wastewater forms scroll air-flow after flue gas and atomization inside hot road 4, thus after accelerating flue gas and atomization
Mixing, collision and the coalescence of desulfurization wastewater so that the particle in dust and desulfurization wastewater in flue gas mutually condense formed it is larger
Fixation particle, and moisture thereon can be evaporated by the waste heat in flue gas, finally, the flue gas after mixed processing enters electric precipitator
In 5, electric precipitator 5 can carry out capture processing to the fixation particle in mixed flue gas, so that fixed particle is able to be precipitated and be arranged
Out；
Desulfurization process after SS003 flue gas ash removal: after the processing of step SS002, the flue gas after dedusting is along second
Exhaust gases passes 6, which enter in desulfurizing tower 7, carries out desulfurization process, so that the sulfide in flue gas is able to react and be deposited in desulfurizing tower 7
In, the flue gas after desulfurization and dedusting can be discharged along third exhaust gases passes 8 and chimney 9, to complete at the desulfurization and dedusting of flue gas
Reason, and flue gas desulfurization and dedusting processing is made to be able to continuous reciprocation cycle.
Wherein as shown in Fig. 2, exhaust fan 20 is located at immediately below four rotational flow atomizers 14, so that rotational flow atomizer 14 is atomized
Desulfurization wastewater afterwards is able to enter in the road tail portion Yan Re 4 after being further atomized to be reacted with flue gas.
Wherein, it is provided with blender in desulfurization wastewater pond 10, for being stirred to desulfuration solution, to prevent flue gas de-
The particulate matter precipitating generated during sulphur.
Wherein, the particle diameter range of the desulfurization wastewater in step SS002 after atomization process twice is 1 μm -5 μm,
Desulfurization wastewater after making flue dust and atomization in this way is easier to condense, and the fixation particle after condensation is easier by flue gas
Waste heat be evaporated.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. a kind of efficient swirling flow atomizing desulfurization and dust-removal method, it is characterised in that: including boiler (1), water-bath heater (11) if,
Dry rotational flow atomizer (14), first motor (18) and the second motor (21), described boiler (1) gas outlet one end is fixed to be communicated with the
One exhaust gases passes (2), the first exhaust gases passes (2) other end fixation are communicated with air preheater (3), the air preheater
(3) gas outlet one end is fixed is communicated with the tail portion road Yan Re (4), and the fixation of the road the tail portion Yan Re (4) gas outlet one end is communicated with electricity
Deduster (5), electric precipitator (5) gas outlet one end fixation are communicated with the second exhaust gases passes (6), second exhaust gases passes
(6) other end fixation is communicated with desulfurizing tower (7), and desulfurizing tower (7) gas outlet one end fixation is communicated with third exhaust gases passes
(8), third exhaust gases passes (8) other end fixation is communicated with chimney (9), and described desulfurizing tower (7) water outlet one end is fixed to be connected
It is connected with desulfurization wastewater pond (10), the desulfurization wastewater pond (10) is placed in water-bath heater (11) inside, the desulfurization wastewater pond
(10) water outlet one end is fixed is communicated with swirling flow atomizing pump (12), and the swirling flow atomizing pump (12) water outlet one end fixation is communicated with
Waste water tunnel (13), the waste water tunnel (13) be equipped with flow control valve (15), the waste water tunnel (13) if the other end with
The fixed connection respectively of dry rotational flow atomizer (14) water inlet one end, several rotational flow atomizers (14) are arranged at tail portion cigarette heat
It is connected on road (4) and with the tail portion road Yan Re (4) fixation；The road the tail portion Yan Re (4) inner wall is successively fixed with first from top to bottom
Flange (16), cone spiral vane (24) and second flange (17), described first motor (18) output shaft one end are fixed with first
Strut (19), the first strut (19) other end sequentially pass through (16) one surface of the tail portion road Yan Re (4) outer wall and first flange
And exhaust fan (20) are fixed with, described second motor (21) output shaft one end is fixed with the second strut (22), second strut
(22) other end sequentially passes through the tail portion road Yan Re (4) outer wall and (17) one surface of second flange and is fixed with turbine (23)；
Swirling flow atomizing desulfurization and dust-removal method includes the following steps:
The atomization of SS001 desulfurization wastewater: adjusting flow control valve (15) first controls the feed flow of desulfurization wastewater, connects
Starting water-bath heater (11) the desulfurization wastewater temperature in desulfurization wastewater pond (10) is controlled, then to swirling flow atomizing pump
(12) it is powered, draws the desulfurization wastewater in desulfurization wastewater pond (10) extremely along waste water tunnel (13) so that swirling flow atomizing pumps (12)
In several rotational flow atomizers (14), several rotational flow atomizers (14) carry out eddy flow centrifuge separation and atomization process to desulfurization wastewater,
So that desulfurization wastewater is switched to graininess mist state by liquid and entered in the road tail portion Yan Re (4), while being powered to first motor (18),
So that after first motor (18) drives exhaust fan (20) rotation, exhaust fan (20) can be to the atomization entered in the road tail portion Yan Re (4)
Desulfurization wastewater carry out secondary-atomizing processing so that desulfurization wastewater fogging degree is higher, amounts of particles further increases；
The processing of SS002 flue gas ash removal: the flue gas that burning generates in boiler (1) can be along the first exhaust gases passes (2) and air preheat
Device (3) enters in the road tail portion Yan Re (4) to be mixed with the desulfurization wastewater after atomization, is powered to the second motor (21), so that the second electricity
Machine (21) drives turbine (23) rotation, the cone-type spiral leaf of the meeting road tie tail Yan Re (4) inner wall in turbine (23) rotation process
Piece (24) makes the mixed gas formation scroll air-flow of desulfurization wastewater after flue gas and atomization inside the tail portion road Yan Re (4), from
And accelerate mixing, collision and the coalescence of desulfurization wastewater after flue gas and atomization, so that in dust and desulfurization wastewater in flue gas
Grain mutually condensation forms biggish fixed particle, and moisture thereon can be evaporated by the waste heat in flue gas, finally, after mixed processing
Flue gas enter in electric precipitator (5), electric precipitator (5) can capture processing be carried out to the fixation particle in mixed flue gas so that
Fixed particle is able to be precipitated and be discharged；
Desulfurization process after SS003 flue gas ash removal: after the processing of step SS002, the flue gas after dedusting is along the second flue gas
Channel (6), which enters, carries out desulfurization process in desulfurizing tower (7), so that the sulfide in flue gas is able to react and is deposited in desulfurizing tower
(7) in, the flue gas after desulfurization and dedusting can be discharged along third exhaust gases passes (8) and chimney (9), to complete the desulfurization of flue gas
Dust removal process, and flue gas desulfurization and dedusting processing is made to be able to continuous reciprocation cycle.
2. a kind of efficient swirling flow atomizing desulfurization and dust-removal method according to claim 1, which is characterized in that the exhaust fan
(20) it is located at immediately below several rotational flow atomizers (14).
3. a kind of efficient swirling flow atomizing desulfurization and dust-removal method according to claim 1, which is characterized in that the desulfurization is useless
Pond is provided with blender in (10).
4. a kind of efficient swirling flow atomizing desulfurization and dust-removal method according to claim 1, which is characterized in that the step
The particle diameter range of desulfurization wastewater in SS002 after atomization process twice is 1 μm -10 μm.
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