CN109289228A - A kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke - Google Patents
A kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke Download PDFInfo
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- CN109289228A CN109289228A CN201811179809.XA CN201811179809A CN109289228A CN 109289228 A CN109289228 A CN 109289228A CN 201811179809 A CN201811179809 A CN 201811179809A CN 109289228 A CN109289228 A CN 109289228A
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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
- B01D53/002—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 by condensation
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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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
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The present invention relates to a kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke.Successively being horizontally disposed with from top to bottom in desulfurizing tower has demister, top layer water spray layer, holds liquid device, slurries spraying layer, and slurries spraying layer is set to the top of desulfurizing tower entrance.It holds liquid device to include leakage fluid dram, concave sump pit, flue gas is through-flow device and hold liquid layer, holds the neighboring of liquid layer around concave sump pit is equipped with, several leakage fluid drams are set on concave sump pit, hold the upper surface of liquid layer around being disposed with the through-flow device of several flue gases.The appliance arrangement integrated level is high, easy to operate, reliable for operation, will not destroy absorption tower water balance, no heat exchanger, therefore there is no the risk of heat exchanger corrosion leakage, safety compared with.Using the eliminating white smoke method of the present apparatus, the latent heat of vaporization in flue gas is recycled, boiler exhaust heat loss is further decreased, reduced the moisture carried in flue gas, eliminate the white plume of chimney breast.
Description
Technical field
The present invention relates to a kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, belong to power station
Boiler, the metallurgical gas cleanings such as coking and related industries boiler, eliminating white smoke field.
Background technique
Heat loss due to exhaust gas proportion is larger in operation for coal-fired plant boiler, accounts for 50% or more total heat loss of boiler,
Some thermal power plant operation exhaust gas temperatures are usually above design value.Therefore, the exhaust gas temperature of station boiler is reduced for energy conservation
Emission reduction has important practical significance.Meanwhile in addition to containing a large amount of in the flue gas generated in coal-fired plant boiler operational process
Outside sulfur dioxide, also contain a large amount of fine particle, it is that gray haze etc. is severe that the latter, which can form Aerosol Pollution in chimney exhaust,
One of the important arch-criminal that weather is formed realizes that gas cleaning has become the task of top priority of current air contaminant treatment industry.In addition,
Since the flue gas of desulfurization outlet drain is saturation wet flue gas, is mixed after chimney is discharged with cold air, cause the steam in flue gas rapid
So condensation forms white cigarette, especially in winter, be easy to cause visual pollution, influences environmental beauty.
For the white cigarette problem for the treatment of of Power desulfurization fume, the method for all using flue gas reheat in the past, early application GGH
The power plant of (i.e. flue gas heat-exchange unit) is more, i.e., flue gas after desulfurization is heated using the heat of high-temperature flue gas before desulfurization, after heating
For flue-gas temperature at 75 DEG C or more, the program plays the role of eliminating white smoke, does not make full use of to energy, while this method meeting
The problem of leading to acid dew piont corrosion and the equipment blocking leakage of equipment, early application is more, and current most of power plant are by GGH
It removes.The method of eliminating white smoke had MGGH, slurries condensation method and flue condensation method etc. in recent years, and MGGH is a kind of water-borne formula heat exchange
Device, the program are usually to install temperature descending section heat exchanger in electric precipitator entrance, export installation warming-up section heat exchanger in desulfurization, utilize
The flue gas after desulfurization is heated before electric precipitator after the heat of flue gas, the program plays the role of eliminating white smoke to a certain extent, but
It is that improvement project amount is larger, higher cost, while the heat exchanger of desulfurizing tower outlet easily corrodes leakage, economy is poor；Slurries
Condensing eliminating white smoke is to install heat exchanger on desulfurization slurry circulating line, reduces the temperature of slurries to reduce desulfurization fume temperature
Degree reduces humidity of flue gas, and then the method for eliminating the wet plume of white, but this method is easily destroyed absorption tower water balance, deposits
In biggish security risk；Flue condensation eliminating white smoke is to reduce desulfurization exiting flue gas temperature in desulfurizing tower exhaust pass installation heat exchanger
Degree reduces humidity of flue gas, and then the method for eliminating the wet plume of white, but the material of this method heat exchanging device is more demanding,
But improvement project amount is larger, higher cost, while the heat exchanger of desulfurizing tower outlet easily corrodes leakage, economy is poor.
Summary of the invention
The object of the present invention is to provide a kind of devices for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, should
Appliance arrangement integrated level is high, easy to operate, reliable for operation, solves the deficiencies in the prior art, will not destroy absorption tower water balance,
Without heat exchanger, therefore there is no the risk of heat exchanger corrosion leakage, safety is higher, by spraying cooling water in desulfurizing tower,
Flue-gas temperature and humidity of flue gas are reduced, and then eliminates white cigarette, sulfur dioxide, the fine particle that can be effectively eliminated in flue gas are gentle
The pollutants such as colloidal sol；Simultaneously the present invention also provides a kind of method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke,
The latent heat of vaporization in flue gas has been recycled, boiler exhaust heat loss is further decreased, has reduced the moisture carried in flue gas, has saved water
Resource eliminates the white plume of chimney breast.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of device for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke includes desulfurizing tower, further includes serum recycle
Pump, induced cooling tower, water circulating pump, cooling water-circulating pipe, wherein desulfurizing tower, induced cooling tower, water circulating pump it
Between be sequentially connected with through circulating water pipeline, the other end of the water circulating pump is connect through cooling water-circulating pipe with desulfurizing tower, the slurry
The both ends of liquid circulating pump are connected to desulfurizing tower through pipeline.Wherein the top of the desulfurizing tower is exported equipped with desulfurizing tower, described de-
Desulfurizing tower entrance is equipped in the middle part of the side of sulphur tower, being successively horizontally disposed with from top to bottom in the desulfurizing tower has demister, top layer water
Spraying layer holds liquid device, slurries spraying layer, and the slurries spraying layer is set to the top of desulfurizing tower entrance.It is described to hold liquid device packet
It includes the through-flow device of leakage fluid dram, flue gas, hold liquid layer and concave sump pit, the neighboring for holding liquid layer is around equipped with concave drain
Several leakage fluid drams are arranged on the concave sump pit in slot；The upper surface for holding liquid layer is logical around several flue gases are disposed with
Flow device.The through-flow device of flue gas therein is according to certain rule arrangement (i.e. to hold the center of liquid layer as axis, from central axis to side
Several circumferential direction compositions of cause, are equally spaced the through-flow device of several flue gases on each circumferential direction), the number of flue gas is through-flow device
Amount is designed according to actual flue gas flow rate.
The device for being previously described for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke further includes that branch drain and draining are female
Pipe, the lower section of the leakage fluid dram are also communicated with branch drain, and the branch drain connects through draining main pipe and induced cooling tower
It connects；The other end of the water circulating pump is connect through cooling water-circulating pipe with top layer water spray layer.Hold liquid device, draining main pipe,
Induced cooling tower, cooling water-circulating pipe, is sequentially connected between top layer water spray layer water circulating pump through pipeline, wherein top layer
The water of water spray layer spray, which is fallen into, holds liquid layer, enters induced cooling tower spray drop through branch drain after collecting by leakage fluid dram
Temperature, the water after cooling are re-introduced into top layer water spray layer through water circulating pump effect.
It is previously described for the device of heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, the liquid layer of holding is rounded, and holds
The gradient is presented from center to edge for liquid layer, and the size of the gradient is 3/1000-5/1000, and holds height at liquid layer center and be greater than
Hold liquid layer edge height.This kind of arrangement smoothly flows into concave sump pit 22 convenient for cooling water, and the material for holding liquid layer is not
Become rusty the resistant materials such as steel, and the material of flue gas is through-flow device is stainless steel or other resistant materials.
It is previously described for the device of heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, the through-flow device of flue gas includes product
Liquid funnel, support device, lyophoby channel, cylinder and rotating vane, the top of the cylinder are equipped with hydrops funnel, the hydrops leakage
It is connected between bucket and cylinder by several support devices arranged vertically, wherein support device is used to support hydrops funnel.Institute
If the outer surface for stating hydrops funnel is equidistantly equipped with dry plate rotating vane.Flue gas from the through-flow device lower part of flue gas by cylinder into
Enter, by the disturbance of rotating vane, reinforce flue gas turbulent flow, flue gas pass through enter after the through-flow device of flue gas hold above liquid layer with it is cold
But water exchanges heat, due to the perturbation action of rotating vane, heat and mass transfer enhancement.
Be previously described for the device of heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, the hydrops funnel be cone,
Ellipsoid or semicircle shape；Quantity >=3 piece of the support device.
It is previously described for the device of heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, the cylinder is cylindric or polygon
Shape prism-shaped；Quantity >=3 piece of the rotating vane, and rotating vane is hollow form, is flowed from hydrops funnel convenient for cooling water
Enter to hold liquid layer.
A method of it is heat-engine plant desulfurized using being previously described for for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
The device of Ta Tanei spraying cooling eliminating white smoke, comprising the following steps:
S1, the water of cooling pond, which is first into water circulating pump, in induced cooling tower is pressurized；
S2, pressurized cooling water enter the top layer water spray layer in desulfurizing tower, will by the effect of top layer water spray layer
Cooling water is uniformly sprayed in desulfurizing tower, is come into full contact with cooling water with flue gas and is exchanged heat；
S3, after top layer water spray layer spray, flue-gas temperature reduces cooling water, and cooling water temperature increases, the cooling of heating
Water falls into the liquid layer of holding held in liquid device, and the cooling water after heating flows into concave sump pit under the action of holding the liquid layer gradient, so
Leakage fluid dram is flowed into through concave sump pit again afterwards；
S4, leakage fluid dram are connect with the branch drain outside desulfurizing tower, are aggregated into draining main pipe, the row of being aggregated by branch drain
Water after jellyfish pipe reenters induced cooling tower spraying cooling by the effect of gravity, and the cooling water after cooling passes through again
The top layer water spray layer that water circulating pump effect enters in desulfurizing tower exchanges heat with flue gas；
S5, flue gas enter the top for holding liquid device through the cylinder of the through-flow device lower part of flue gas, and the disturbance through rotating vane is made
With flue gas turbulent flow is reinforced, flue gas is exchanged heat above liquid layer with cooling water by entering to hold after the through-flow device of flue gas, due to pivoting leaf
The perturbation action of piece enhances the heat transfer effect of cooling water and flue gas, since spray desuperheat of the cooling water to flue gas acts on, makes to take off
Sulphur tower exports smoke temperature decline, and humidity of flue gas reduces；And due to the effect of the through-flow device of flue gas, enhance flue gas and cooling water
Effect of mass transmitting, eliminate the pollutant in flue gas, eliminate the wet plume of white.
Compared with prior art, the invention has the beneficial effects that:
1, the apparatus structure in the present invention is simple, the transformation period is short, and transformation and operating cost are low, easy to operate；
2, by using the present apparatus, after cooling water carries out spray heat exchange with flue gas, decline desulfurizing tower exit gas temperature
5-10 DEG C, so that the water capacity of desulfurizing tower outlet saturation wet flue gas be made to be greatly lowered, and then eliminate white cigarette；
3, it is fallen by the cooling water after spray heat exchange and holds liquid layer, be then discharged out outside desulfurizing tower tower, the slurries with desulfurizing tower
Spraying layer is completely separable, will not damage to the water balance of desulfurizing tower, stable and reliable operation；
4, it is fallen by the cooling water after spray heat exchange and holds liquid layer, since the height for holding liquid layer is higher than induced cooling tower
Spend it is much higher, therefore be aggregated into draining main pipe after water can be reentered by the effect of gravity induced cooling tower spray drop
Temperature has saved power consumption and energy consumption；
5, flue gas enters the top for holding liquid device through the cylinder of the through-flow device lower part of flue gas, and flue gas is disturbed through rotating vane
It is dynamic, the heat transfer effect of cooling water and flue gas is enhanced, is acted on by spray desuperheating, desulfurizing tower outlet smoke temperature decline is made, flue gas contains
Moisture reduces, and enhances the effect of mass transmitting of flue gas and cooling water, eliminate in flue gas can the pollutants such as colloidal sol, eliminate white
Wet plume；
It is comprehensive, the white cigarette of chimney breast is eliminated by using the present apparatus and method, improves boiler efficiency, is reduced de-
Sulphur tower exports dust concentration, realizes power plant's minimum discharge, improves the economy of boiler operatiopn, and the present invention is applicable in but is not limited to
The fields such as coal-burning boiler, metallurgical coking furnace, industrial furnace.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram that liquid layer is held in the present invention；
Fig. 3 is the structural schematic diagram of the through-flow device of flue gas in the present invention；
Fig. 4 is the humid air saturation plot in the present invention.
The meaning of appended drawing reference: the outlet of 1- desulfurizing tower, 2- top layer water spray layer, 3- hold liquid device, 4- leakage fluid dram, 5- draining
Branch pipe, 6- slurries spraying layer, 7- desulfurizing tower entrance, 8- desulfurizing tower, 9- slurry circulating pump, 10- drain main pipe, 11- mechanical draft
Cooling tower, 12- water circulating pump, the cooling water-circulating pipe of 13-, 14- demister, 15- flue gas is through-flow device, 16- hold liquid layer, 17- product
Liquid funnel, 18- support device, 19- lyophoby channel, 20- cylinder, 21- rotating vane, 22- concave sump pit.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment of the present invention 1: as shown in Figure 1-Figure 3, one kind being used for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
Device include desulfurizing tower 8, further include slurry circulating pump 9, induced cooling tower 11, water circulating pump 12, cooling water-circulating pipe
13, wherein desulfurizing tower 8, induced cooling tower 11, be sequentially connected with through circulating water pipeline between water circulating pump 12, the recirculated water
The other end of pump 12 is connect through cooling water-circulating pipe 13 with desulfurizing tower 8, and the both ends of the slurry circulating pump 9 are connected to through pipeline
Desulfurizing tower 8.Wherein the top of the desulfurizing tower 8 is equipped with desulfurizing tower outlet 1, is equipped with desulfurizing tower in the middle part of the side of the desulfurizing tower 8
Entrance 7, being successively horizontally disposed in the desulfurizing tower 8 from top to bottom has demister 14, top layer water spray layer 2, holds liquid device 3, slurry
Liquid spraying layer 6, the slurries spraying layer 6 are set to the top of desulfurizing tower entrance 7.The liquid device 3 of holding includes leakage fluid dram 4, flue gas
Through-flow device 15 holds liquid layer 16 and concave sump pit 22, and the neighboring for holding liquid layer 16, which is surround, is equipped with concave sump pit 22,
Three leakage fluid drams 4 are set on the concave sump pit 22, and the upper surface for holding liquid layer 16 is logical around several flue gases are disposed with
Flow device 15.The through-flow device 15 of flue gas therein is arranged according to certain rule；I.e. to hold the center of liquid layer 16 as axis, from center
Axis is made of to edge several circumferential directions, the through-flow device 15 of several flue gases is equally spaced on each circumferential direction, specifically, cigarette
Gas is through-flow, and device 15 arranges three circles from outside to inside on holding liquid layer 16, and the quantity of flue gas is through-flow device 15 is according to actual flue gas stream
Speed design.Device for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke further includes branch drain 5 and draining main pipe 10, institute
The lower section for stating leakage fluid dram 4 is also communicated with branch drain 5, and the branch drain 5 is through draining main pipe 10 and induced cooling tower 11
Connection；The other end of the water circulating pump 12 is connect through cooling water-circulating pipe 13 with top layer water spray layer 2.Hold liquid device 3, row
Jellyfish pipe 10, induced cooling tower 11, water circulating pump 12, cooling water-circulating pipe 13, between top layer water spray layer 2 through pipeline according to
Secondary connection, the water that wherein top layer water spray layer 2 sprays, which is fallen into, holds liquid layer 16, enters after being collected by leakage fluid dram 4 through branch drain 5
11 spraying cooling of induced cooling tower, the water after cooling are re-introduced into top layer water spray layer 2 through the effect of water circulating pump 12.
Embodiment 2: as shown in Figure 1-Figure 3, a kind of device packet for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
Desulfurizing tower 8 is included, further includes slurry circulating pump 9, induced cooling tower 11, water circulating pump 12, cooling water-circulating pipe 13, wherein taking off
Sulphur tower 8, induced cooling tower 11 are sequentially connected between water circulating pump 12 through circulating water pipeline, the water circulating pump 12 it is another
One end is connect through cooling water-circulating pipe 13 with desulfurizing tower 8, and the both ends of the slurry circulating pump 9 are connected to desulfurizing tower 8 through pipeline.
Wherein the top of the desulfurizing tower 8 is equipped with desulfurizing tower outlet 1, is equipped with desulfurizing tower entrance 7, institute in the middle part of the side of the desulfurizing tower 8
Stating successively to be horizontally disposed with from top to bottom in desulfurizing tower 8 has demister 14, top layer water spray layer 2, holds liquid device 3, slurries spraying layer
6, the slurries spraying layer 6 is set to the top of desulfurizing tower entrance 7.The liquid device 3 of holding includes leakage fluid dram 4, flue gas is through-flow device
15, liquid layer 16 and concave sump pit 22 are held, the neighboring for holding liquid layer 16 is around equipped with concave sump pit 22, the concave
There are two leakage fluid drams 4, the upper surface for holding liquid layer 16 to surround and be disposed with the through-flow device of several flue gases for setting on sump pit 22
15.The through-flow device 15 of flue gas therein arranges according to certain rule, i.e., to hold the center of liquid layer 16 as axis, from central axis to side
Several circumferential direction compositions of cause, are equally spaced the through-flow device 15 of several flue gases on each circumferential direction, flue gas is through-flow device 15
Quantity designed according to actual flue gas flow rate.Further, described to hold liquid layer 16 rounded, and holds liquid layer 16 from center to side
The gradient is presented in edge, and the size of the gradient is 3/1000-5/1000, and holds height at 16 center of liquid layer and be greater than and hold 16 edge of liquid layer
Place's height.This kind of arrangement smoothly flows into concave sump pit 22 convenient for cooling water, and the material for holding liquid layer 16 is that stainless steel etc. is resistance to
Corrosion material, the material of flue gas is through-flow device 15 are stainless steel or other resistant materials.
Embodiment 3: as shown in Figure 1-Figure 3, a kind of device packet for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
Desulfurizing tower 8 is included, further includes slurry circulating pump 9, induced cooling tower 11, water circulating pump 12, cooling water-circulating pipe 13, wherein taking off
Sulphur tower 8, induced cooling tower 11 are sequentially connected between water circulating pump 12 through circulating water pipeline, the water circulating pump 12 it is another
One end is connect through cooling water-circulating pipe 13 with desulfurizing tower 8, and the both ends of the slurry circulating pump 9 are connected to desulfurizing tower 8 through pipeline.
Wherein the top of the desulfurizing tower 8 is equipped with desulfurizing tower outlet 1, is equipped with desulfurizing tower entrance 7, institute in the middle part of the side of the desulfurizing tower 8
Stating successively to be horizontally disposed with from top to bottom in desulfurizing tower 8 has demister 14, top layer water spray layer 2, holds liquid device 3, slurries spraying layer
6, the slurries spraying layer 6 is set to the top of desulfurizing tower entrance 7.The liquid device 3 of holding includes leakage fluid dram 4, flue gas is through-flow device
15, liquid layer 16 and concave sump pit 22 are held, the neighboring for holding liquid layer 16 is around equipped with concave sump pit 22, the concave
There are four leakage fluid drams 4, the upper surface for holding liquid layer 16 to surround and be disposed with the through-flow device of several flue gases for setting on sump pit 22
15.The through-flow device 15 of flue gas therein is arranged according to certain rule；I.e. to hold the center of liquid layer 16 as axis, from central axis to side
Several circumferential direction compositions of cause, are equally spaced the through-flow device 15 of several flue gases on each circumferential direction, specifically, flue gas is through-flow
Device 15 arranges four circles from outside to inside on holding liquid layer 16, and the quantity of flue gas is through-flow device 15 is set according to actual flue gas flow rate
Meter.Further, the through-flow device 15 of the flue gas includes hydrops funnel 17, support device 18, lyophoby channel 19, cylinder 20 and rotation
The top of rotating vane piece 21, the cylinder 20 is equipped with hydrops funnel 17, passes through several between the hydrops funnel 17 and cylinder 20
The support device 18 arranged vertically connects, and wherein support device 18 is used to support hydrops funnel 17.Outside the hydrops funnel 17
If surface is equidistantly equipped with dry plate rotating vane 21.Flue gas is entered from through-flow 15 lower part of device of flue gas by cylinder 20, is passed through
The disturbance of rotating vane 21 reinforces flue gas turbulent flow, flue gas pass through enter after the through-flow device 15 of flue gas hold the top of liquid layer 16 with it is cold
But water exchanges heat, due to the perturbation action of rotating vane 21, heat and mass transfer enhancement.Specifically, the hydrops funnel 17 be cone,
Ellipsoid or semicircle shape；The quantity of the support device 18 is 3.
Embodiment 4: as Figure 1-Figure 4, a kind of device packet for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
Desulfurizing tower 8 is included, further includes slurry circulating pump 9, induced cooling tower 11, water circulating pump 12, cooling water-circulating pipe 13, wherein taking off
Sulphur tower 8, induced cooling tower 11 are sequentially connected between water circulating pump 12 through circulating water pipeline, the water circulating pump 12 it is another
One end is connect through cooling water-circulating pipe 13 with desulfurizing tower 8, and the both ends of the slurry circulating pump 9 are connected to desulfurizing tower 8 through pipeline.
Wherein the top of the desulfurizing tower 8 is equipped with desulfurizing tower outlet 1, is equipped with desulfurizing tower entrance 7, institute in the middle part of the side of the desulfurizing tower 8
Stating successively to be horizontally disposed with from top to bottom in desulfurizing tower 8 has demister 14, top layer water spray layer 2, holds liquid device 3, slurries spraying layer
6, the slurries spraying layer 6 is set to the top of desulfurizing tower entrance 7.The liquid device 3 of holding includes leakage fluid dram 4, flue gas is through-flow device
15, liquid layer 16 and concave sump pit 22 are held, the neighboring for holding liquid layer 16 is around equipped with concave sump pit 22, the concave
Several leakage fluid drams 4 are provided on sump pit 22, the upper surface for holding liquid layer 16 surround and is disposed with the through-flow dress of several flue gases
Set 15.The through-flow device 15 of flue gas therein is arranged according to certain rule；I.e. to hold the center of liquid layer 16 as axis, from central axis to
Edge is made of several circumferential directions, is equally spaced the through-flow device 15 of several flue gases on each circumferential direction, specifically, flue gas is logical
Stream device 15 arranges five circles from outside to inside on holding liquid layer 16, and the quantity of the through-flow device 15 of flue gas can be 26 in outmost turns,
The quantity of the through-flow device 15 of flue gas can be 1 in innermost circle, and the quantity of flue gas is through-flow device 15 is according to actual flue gas flow rate
Design.Further, the through-flow device 15 of the flue gas includes hydrops funnel 17, support device 18, lyophoby channel 19,20 and of cylinder
The top of rotating vane 21, the cylinder 20 is equipped with hydrops funnel 17, by several between the hydrops funnel 17 and cylinder 20
The support device 18 that root is arranged vertically connects, and wherein support device 18 is used to support hydrops funnel 17.The hydrops funnel 17
If outer surface is equidistantly equipped with dry plate rotating vane 21.Flue gas is entered from through-flow 15 lower part of device of flue gas by cylinder 20, is led to
The disturbance for crossing rotating vane 21 reinforces flue gas turbulent flow, flue gas pass through enter after the through-flow device 15 of flue gas hold the top of liquid layer 16 with
Cooling water heat exchange, due to the perturbation action of rotating vane 21, heat and mass transfer enhancement.Specifically, the cylinder 20 be it is cylindric or
Polygon-prism shape；The number of the rotating vane 21 is 3, and rotating vane 21 is hollow form, is leaked convenient for cooling water from hydrops
It is flowed into bucket 17 and holds liquid layer 16.
Embodiment 5: as shown in Figure 1-Figure 3, a method of for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, adopt
With the device for being previously described for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, comprising the following steps:
S1, the water of cooling pond, which is first into water circulating pump 12, in induced cooling tower 11 is pressurized；
S2, pressurized cooling water enter the top layer water spray layer 2 in desulfurizing tower 8, pass through the effect of top layer water spray layer 2
Cooling water is uniformly sprayed in desulfurizing tower 8, cooling water is come into full contact with flue gas and exchanges heat；
S3, after the spray of top layer water spray layer 2, flue-gas temperature reduces cooling water, and cooling water temperature increases, the cooling of heating
Water, which falls into hold in liquid device 3, holds liquid layer 16, and the cooling water after heating flows into concave drain under the action of holding 16 gradient of liquid layer
Then slot 22 flows into leakage fluid dram 4 through concave sump pit 22 again；
S4, leakage fluid dram 4 are connect with the branch drain 5 outside desulfurizing tower 8, are aggregated into draining main pipe 10 by branch drain 5, are converged
Water after total main pipe 10 to draining reenters 11 spraying cooling of induced cooling tower by the effect of gravity, cold after cooling
But the top layer water spray layer 2 that water enters in desulfurizing tower 8 through the effect of water circulating pump 12 again exchanges heat with flue gas；
S5, flue gas enters the top for holding liquid device 3 through the cylinder 20 of through-flow 15 lower part of device of flue gas, through rotating vane 21
Perturbation action reinforces flue gas turbulent flow, and flue gas is exchanged heat above liquid layer 16 with cooling water by entering to hold after the through-flow device 15 of flue gas,
Since the perturbation action of rotating vane 21 enhances the heat transfer effect of cooling water and flue gas, since spray of the cooling water to flue gas subtracts
Temperature effect, makes desulfurizing tower export the decline of 1 smoke temperature, and humidity of flue gas reduces；And due to the effect of the through-flow device 15 of flue gas, strengthen
The effect of mass transmitting of flue gas and cooling water, eliminates the pollutant in flue gas, eliminates the wet plume of white.
The working principle of the invention: as shown in Figure 1, the water of cooling pond is first into and follows in induced cooling tower 11
It is pressurized in ring water pump 12, pressurized cooling water enters the top layer water spray layer 2 in desulfurizing tower 8, passes through top layer water spray
Cooling water is uniformly sprayed in desulfurizing tower by the effect of layer 2, is come into full contact with cooling water with flue gas and is exchanged heat, cooling water is through pushing up
After layer water spray layer 2 sprays desuperheat, flue gas can be made to drop to 40 DEG C or so from 50 DEG C or so, flue-gas temperature declines about 5-10 DEG C,
Cooling water temperature is increased to 40 DEG C or so from 20 DEG C or so, and raised cooling water, which is fallen into, holds liquid layer 16, has 3/ due to holding liquid layer 16
The gradient, water after heating is since the effect of the gradient flows into concave sump pit 22, if having on concave sump pit 22
Dry leakage fluid dram 4, leakage fluid dram 4 are connect with the branch drain 5 outside desulfurizing tower 8, are aggregated into draining main pipe 10 by branch drain 5,
Since the height for holding liquid layer 16 is more much higher than 11 height of induced cooling tower, the water after being aggregated into draining main pipe 10 can lead to
The effect for crossing gravity reenters 11 spraying cooling of induced cooling tower, and the cooling water after cooling is made through water circulating pump 12 again
It is exchanged heat with into desulfurizing tower top layer water spray layer 2 with flue gas.
As shown in Figures 2 and 3, flue gas enters the top for holding liquid device 3, cigarette through the cylinder 20 of through-flow 15 lower part of device of flue gas
Disturbance of the gas through rotating vane 21 reinforces flue gas turbulent flow, and flue gas holds 16 top of liquid layer by entering after the through-flow device 15 of flue gas
It exchanges heat with cooling water, due to the perturbation action of rotating vane 21, enhances the heat transfer effect of cooling water and flue gas, subtracted by water spray
Temperature effect makes desulfurizing tower export the decline of 1 smoke temperature, and humidity of flue gas reduces, and due to the effect of the through-flow device 15 of flue gas, strengthens
The effect of mass transmitting of flue gas and cooling water, eliminate in flue gas can the pollutants such as colloidal sol, eliminate the wet plume of white.
As shown in figure 4, the water capacity of flue gas is in A point position, by carrying out spraying cooling to flue gas when not installing the present apparatus
Afterwards, flue-gas temperature reaches B point, intersects when flue-gas temperature is reduced to C from A with humid air saturation curve, if intersection, illustrates to produce
Raw white cigarette, does not intersect with humid air saturation curve when flue gas is reduced to C from B, illustrates not generate white cigarette, thus can find to lead to
The effect for eliminating white cigarette can be played by crossing the present apparatus.
Claims (7)
1. a kind of device for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, including desulfurizing tower (8), which is characterized in that
It further include slurry circulating pump (9), induced cooling tower (11), water circulating pump (12), cooling water-circulating pipe (13), wherein desulfurization
Tower (8), induced cooling tower (11), water circulating pump are sequentially connected between (12) through circulating water pipeline, the water circulating pump
(12) the other end is connect through cooling water-circulating pipe (13) with desulfurizing tower (8), and the both ends of the slurry circulating pump (9) are through pipeline
It is connected to desulfurizing tower (8)；
Wherein the top of the desulfurizing tower (8) is equipped with desulfurizing tower outlet (1), is equipped with desulfurization in the middle part of the side of the desulfurizing tower (8)
Tower entrance (7), interior be successively horizontally disposed with from top to bottom of the desulfurizing tower (8) have demister (14), top layer water spray layer (2), hold
Liquid device (3), slurries spraying layer (6), the slurries spraying layer (6) are set to the top of desulfurizing tower entrance (7)；It is described to hold liquid device
(3) include leakage fluid dram (4), flue gas is through-flow device (15), hold liquid layer (16) and concave sump pit (22), the liquid layer (16) of holding
Several leakage fluid drams (4) are arranged on the concave sump pit (22) around concave sump pit (22) are equipped in neighboring；It is described to hold
The upper surface of liquid layer (16) surround and is disposed with the through-flow device of several flue gases (15).
2. the device according to claim 1 for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which is characterized in that
It further include branch drain (5) and draining main pipe (10), the lower section of the leakage fluid dram (4) is also communicated with branch drain (5), the row
Water branch pipe (5) is connect through draining main pipe (10) with induced cooling tower (11)；The other end of the water circulating pump (12) is through cold
But water-circulating pipe (13) is connect with top layer water spray layer (2).
3. the device according to claim 1 for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which is characterized in that
Described to hold liquid layer (16) rounded, and holds liquid layer (16) and the gradient is presented from center to edge, and the size of the gradient is 3/1000-
5/1000, and hold at liquid layer (16) center height and be greater than and hold liquid layer (16) edge height.
4. the device according to claim 1 for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which is characterized in that
The through-flow device of flue gas (15) includes hydrops funnel (17), support device (18), lyophoby channel (19), cylinder (20) and rotation
The top of blade (21), the cylinder (20) is equipped with hydrops funnel (17), leads between the hydrops funnel (17) and cylinder (20)
Cross the connection of several support devices arranged vertically (18), the hydrops funnel (17) if outer surface dry plate is equidistantly installed
Rotating vane (21).
5. the device according to claim 4 for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which is characterized in that
The hydrops funnel (17) is cone, ellipsoid or semicircle shape；Quantity >=3 piece of the support device (18).
6. the device according to claim 4 for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which is characterized in that
The cylinder (20) is cylindric or polygon-prism shape；Quantity >=3 piece of the rotating vane (21), and rotating vane (21)
For hollow form.
It is any described using claim 1-6 7. a kind of method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke
Device for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke, which comprises the following steps:
S1, the water of cooling pond is first into water circulating pump (12) and is pressurized in induced cooling tower (11)；
S2, pressurized cooling water enter the top layer water spray layer (2) in desulfurizing tower (8), pass through the work of top layer water spray layer (2)
With being uniformly sprayed at cooling water in desulfurizing tower (8), comes into full contact with cooling water with flue gas and exchange heat；
S3, after top layer water spray layer (2) spray, flue-gas temperature reduces cooling water, and cooling water temperature increases, the cooling water of heating
It falls into hold in liquid device (3) and holds liquid layer (16), the cooling water after heating flows into concave under the action of holding liquid layer (16) gradient
Sump pit (22) then flows into leakage fluid dram (4) through concave sump pit (22)；
S4, leakage fluid dram (4) are connect with the branch drain (5) of desulfurizing tower (8) outside, are aggregated into draining main pipe by branch drain (5)
(10), the water after being aggregated into draining main pipe (10) reenters induced cooling tower (11) spray drop by the effect of gravity
Temperature, the cooling water after cooling enter top layer water spray layer (2) and flue gas in desulfurizing tower (8) through water circulating pump (12) effect again
It exchanges heat；
S5, flue gas enters the top for holding liquid device (3) through the cylinder (20) of the through-flow device of flue gas (15) lower part, through rotating vane
(21) perturbation action reinforces flue gas turbulent flow, flue gas entered afterwards by the through-flow device of flue gas (15) hold above liquid layer (16) with it is cold
But water exchanges heat, since the perturbation action of rotating vane (21) enhances the heat transfer effect of cooling water and flue gas, due to cooling water pair
The spray desuperheat of flue gas acts on, and makes desulfurizing tower outlet (1) smoke temperature decline, and humidity of flue gas reduces；And due to the through-flow dress of flue gas
The effect for setting (15) enhances the effect of mass transmitting of flue gas and cooling water, eliminates the pollutant in flue gas, eliminates the wet cigarette of white
Plumage.
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| CN201811179809.XA CN109289228A (en) | 2018-10-10 | 2018-10-10 | A kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke |
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| CN201811179809.XA CN109289228A (en) | 2018-10-10 | 2018-10-10 | A kind of device and method for heat-engine plant desulfurized Ta Tanei spraying cooling eliminating white smoke |
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| CN111330305A (en) * | 2020-04-13 | 2020-06-26 | 华能国际电力股份有限公司 | Spray condensing and water recovering device in desulfurization absorption tower |
| CN113041755A (en) * | 2021-04-12 | 2021-06-29 | 上海三融环保工程有限公司 | Flue gas purification treatment device and flue gas purification method |
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