CN207287073U - A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant - Google Patents
A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant Download PDFInfo
- Publication number
- CN207287073U CN207287073U CN201721289516.8U CN201721289516U CN207287073U CN 207287073 U CN207287073 U CN 207287073U CN 201721289516 U CN201721289516 U CN 201721289516U CN 207287073 U CN207287073 U CN 207287073U
- Authority
- CN
- China
- Prior art keywords
- tower
- prewashing
- absorption tower
- water
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model is a kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant.The utility model device includes prewashing tower, absorption tower, connected between the prewashing tower and the absorption tower by exhaust gases passes, the direction of motion of the utility model device along kiln gas is disposed with aerosol cohesion washing layer, knoisphere is removed on prewashing tower slurries spraying layer, absorption tower slurries spraying layer, absorption tower washing layer, absorption tower, the prewashing tower gas outlet is provided with water blocking component, and the exhaust gases passes are internally provided with the component that intercepts water.Flue gas is handled using the present apparatus, it can realize and flue gas is washed twice, increase the liquid-gas ratio of wet method fume desulfurizing system, the water blocking component and the component that intercepts water can keep absorption tower and the solution concentration of prewashing tower poor, high-efficient wet-type electric precipitator is combined again, and advanced treating is carried out to residual contaminants, being capable of desulfuration demercuration to greatest extent.
Description
Technical field
Flue gases purification field is the utility model is related to, particularly a kind of dust removal integrated dress of wet flue gas desulfurizing and hydrargyrum-removing
Put.
Background technology
Mercury has hypertoxicity, persistence and bioaccumulation, and global migration can be carried out in air, ocean, is except temperature
A kind of unique chemical substance being had an impact to global range, global contact scar is classified as by United Nations Environment Programme outside the gas of room
Thing, great threat is produced to human health and ecological safety.In recent years, mercury pollution has caused global extensive concern, the U.S., Europe
Alliance, Canada etc., which make laws, strictly controls the emission limit of mercury.Research shows that coal-burning boiler is most important artificial mercury
Emission source, the mercury discharged account for more than the 1/3 of whole anthropogenic discharges.The average content of mercury is about 0.15-0.22mg/ in China's coal
Kg, the mercury concentration in coal-fired flue-gas is very low, but since coal consumption amount is huge, China is become global atmosphere mercury emissions big country
One of.Coal-burning power plant's mercury pollution in order to control, Environmental Protection Department《Fossil-fuel power plant atmospheric pollutant emission standard》(GB13223-2011)
It is proposed that mercury and mercuric compounds concentration is less than 0.03mg/m first3Emission limit, this to coal-burning power plant of China mercury pollution discharge
Control brings new requirement and challenge.Compared with the conventional coal contaminants such as sulfur dioxide, nitrogen oxides, particulate matter, China
The research of coal-burning power plant's mercury control technology is started late, meanwhile, in one apparatus simultaneous SO_2 and NO removal, it is de- show dedusting,
It can bring and once invest excessive, the problem such as operating cost increase.
In view of the above-mentioned problems, this technology personnel active development is using dedusting, desulphurization and denitration, demercuration collaboration treatment technology.Such as
105056678 A of CN are disclosed " desulphurization denitration, slough dust removal integrated flue gas cleaner ", and the program is matched somebody with somebody after using initial oxidation
The method for closing absorption cleaning, to realize the purification to flue gas sulfur and nitrogen oxides pollutant, but the absorption processing to mercury
It is insufficient.And for example 206168171 U of CN disclose " high-temperature flue gas desulfurization denitration demercuration dust removal integrated plant ", desulfuration demercuration
Agent is directly mixed in high-temperature flue gas and desulfuration demercuration is carried out to high-temperature flue gas, in the flue gas after desulfuration demercuration in addition to dust particles also
Solid particulate compound containing sulphur mercury after reaction, using as mercury removal agent, however, the control to mercury in flue gas is mainly reflected in
Reduce Hg2+Content on, and to insoluble Hg0Removal effect it is limited.
Utility model content
The purpose of this utility model is to provide dedusting associated with wet process of FGD and new and effective wet type electric precipitator,
Desulphurization and denitration, the device and technique of demercuration collaboration processing, can absorb the pollutant in flue gas, then to residual contamination
Thing carries out advanced treating, and the systemic effect of realization device desulfuration demercuration dedusting maximizes.
To realize above-mentioned purpose of utility model, the technical solution that the utility model is taken is as follows.
A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant, including prewashing tower, absorption tower, it is arranged on the prewashing tower
The kiln gas air inlet at top, the kiln gas gas outlet being arranged at the top of the absorption tower, be arranged on prewashing tower and absorption tower bottom
The microvesicle distributor in portion, the prewashing tower side wall lower part are provided with prewashing tower gas outlet, and the absorption tower lower sidewall is provided with
Absorption tower air inlet, the prewashing tower gas outlet are connected with the absorption tower air inlet by exhaust gases passes, it is characterised in that institute
State and be provided with water blocking component above prewashing tower gas outlet, the exhaust gases passes are internally provided with the component that intercepts water, the prewashing tower master
The direction of motion of body space axial direction along kiln gas is disposed with aerosol cohesion washing layer, prewashing tower slurries spraying layer, institute
The direction of motion for stating absorbent tower body space axial direction along kiln gas is disposed with absorption tower slurries spraying layer, absorption tower water
Wash layer, knoisphere is removed on absorption tower.
Increase prewashing tower flue gas exit water blocking component and the component that intercepts water, are to enter absorption to reduce prewashing tower spray liquid
The carrying amount of tower, keeps absorption tower and the solution concentration of prewashing tower poor.Increase water blocking intercepts water after facility, it is contemplated that prewashing tower, which enters, to be inhaled
Receive the total liquid measure of tower to be reduced to 7t/h by 45t/h, reduce 84%, can effectively reduce absorption tower concentration of slurry.Work is supplemented by absorption tower
Skill clear water 12t/h is counted, and absorption tower concentration of slurry is about 13%.Absorption tower low concentration circulation washing is conducive to the control of aerosol concentration
System.
Preferably, the water blocking component includes water blocking curtain plate, catchment diversion channel and supporting beam；Described water blocking curtain plate one end
It is perpendicularly fixed on the inner wall of tower above the prewashing tower gas outlet and bending is folded down after horizontal-extending into tower, described in guiding
Current above prewashing tower gas outlet are converged to centre, and the other end connection supporting beam is fixed on described by the supporting beam
Inside prewashing tower；The top that diversion channel catchment vertically upward and be fixed on the supporting beam.Water blocking curtain plate, catchment diversion channel
And supporting beam can stop that sprayed slurry is emitted directly toward flue or by slurry overflowing caused by wall stream, to reduce absorption tower slurry
Liquid concentration.
Preferably, the component that intercepts water includes intercept water frid, leakage fluid dram, drain pipe and supporting beam；The frid that intercepts water
Lower section in the pipeline of the prewashing tower gas outlet is arranged on, intercepts the current entered in pipeline；The frid that intercepts water intercepts current
The leakage fluid dram is provided with front of place, the leakage fluid dram guides water by being arranged on the drain pipe below the leakage fluid dram
Stream flows downward out.Frid, leakage fluid dram, drain pipe and the supporting beam of intercepting water are to carrying secretly into tiltedly the slurries of flue are shut off simultaneously between tower
Prewashing tower is introduced, to reduce absorption tower concentration of slurry.
Preferably, the aerosol cohesion washing layer is provided with several atomizing lances, the atomizing lance is arranged on institute
State around kiln gas air inlet；The atomizing lance is connected with compressed air, technique water atomization plant；The prewashing top of tower is set
Closed air hood is equipped with, the kiln gas air inlet and the atomizing lance are located in the closed air hood.
Preferably, the direction of motion of prewashing tower slurries spraying layer along the kiln gas is disposed with injection water direction
First prewashing tower slurries spraying layer directed downwardly, injection water direction the second prewashing tower slurries spraying layer upward and penetrate water (flow) direction
The 3rd prewashing tower slurries spraying layer upward；The direction of motion of absorption tower slurries spraying layer along the kiln gas is disposed with spray
The second absorption tower slurries spraying layer that the first absorption tower slurries spraying layer that jetting stream is directed downward, injection water are directed downward.
The prewashing tower slurries spraying layer and the absorption tower slurries spraying layer are adjacent with water circulating pump, it is possible to achieve circulation washing.
Preferably, the direction of motion of the absorption tower washing layer along kiln gas be disposed with washing tower tray, packing layer,
The second absorption tower water spray layer that the first absorption tower water spray layer that injection water is directed downward, injection water are directed downward.Institute
It is eddy flow gas cap tower tray to state washing tower tray.Described filler layer is ceramic packing.Two layers washing spray, ceramic packing, eddy flow gas cap
The absorption tower washing layer of tower tray composition, realizes low concentration clear water three-level circulating water wash.To flue gas entrainment ammonia and ammonium sulfate into
Row washing, can substantially reduce flue gas entrainment, water washing device and packing layer, improve desulphurizing ability, reduce the generation of aerosol,
Strengthen the trapping and washing to trickle aerosol, increase particle diameter, lift the removal efficiency to aerosol.Layer is washed on the absorption tower
It is adjacent with water circulating pump, it is possible to achieve circulation washing.Refer to a kind of water washing device (CN of high efficiency removing aerosol of patent
206343056 U)。
Preferably, the absorption tower is disposed with electrostatic precipitator, wet type electricity except the direction of motion of knoisphere along kiln gas
Deduster；Electrostatic precipitator is arranged on before wet electrical dust precipitator can be with smooth air-flow；Wet electrical dust precipitator includes regular hexagon bee
Nest shape electroconductive frp anode tube, titanium pole discharge lines and high-voltage pulse electric source device, the output terminal of high-voltage pulse electric source device connect
Titanium pole discharge lines are connect, the high-voltage pulse power source adds the high voltage power supply that pulse voltage integrates, titanium pole discharge lines for base laminated
Positioned at the center of anode tube.The wet electrical dust precipitator can provide the corona discharge power more several times greater than electric precipitator, to submicron order
Particle (such as fine dust, metallic particles, SO3 acid mists, drop) also have very strong trapping ability.Wet electrical dust precipitator uses
High frequency electric source or the pulse power, and increase the pre- demisting of high-ratio surface filler before electric precipitator, improve air flow method.Wet type electricity removes
Dirt device makes gas ionization moment produce substantial amounts of electronics, ion by corona discharge, and including O and O3Active group inside
Group, on the one hand can make the particulate in flue gas charged, make directed movement to dust collector pole under the action of electric field force, reach trapping mesh
's；Another aspect active group can effectively facilitate the oxidation that HgO is remained in flue gas, make it easy to form HgP or water-soluble things
Kind is simultaneously charged in the electric field, makees directed movement to dust collecting pole plate under the action of electric field force, finally into the liquid on people's dust collecting pole plate
Removed in film.The wet electrical dust precipitator can neatly adjust corona discharge power according to operating mode, greatly improve end to residual
The trapping ability of pollutant is stayed, effectively control controls residual ammonia effusion, ammonium salt entrainment, aerosol discharge and mercury emissions.Refer to patent
A kind of new and effective wet type electric precipitator (205887177 U of CN) based on the pulse power.
Preferably, the surface of the water blocking component and intercept water component and the slurry liquid contacts has carried out sandblasting polishing, and
Glass flake is installed, can play preferably prevents corrosiveness, can be on active service for a long time.
Relative to the prior art, the utility model achieves beneficial technique effect：
1. prewashing tower slurries spraying layer and absorption tower slurries spraying layer wash twice, wet method fume desulfurizing system is increased
Liquid-gas ratio, increases gas-liquid mixed and mass transfer intensity in prewashing tower and absorbing tower, is conducive to the SO of raising system2Absorb effect
The removal efficiency of rate, demercuration efficiency and aerosol；
2. water blocking component and the component that intercepts water can reduce the carrying amount that prewashing tower spray liquid enters absorption tower, absorption tower is kept
Poor with the solution concentration of prewashing tower, low concentration circulation washing in absorption tower is conducive to the control of aerosol concentration.
3. after wet method fume desulfurizing system absorbs the pollutant in flue gas, then it is combined high-efficient wet-type electric precipitator
Advanced treating is carried out to residual contaminants, being capable of desulfuration demercuration to greatest extent；
Brief description of the drawings
Fig. 1 integrated apparatus process flow diagrams；
The close-up schematic view of Fig. 2 water blocking components；
Fig. 3 intercepts water the close-up schematic view of component.
Reference numeral：Prewashing tower 1, absorption tower 2, kiln gas air inlet 3, kiln gas gas outlet 4, aerosol cohesion washing layer 5,
Atomizing lance 51, technique water atomization plant 52, compressed air 53, closed air hood 54, prewashing tower slurries spraying layer 6, the first prewashing
Tower slurries spraying layer 61, the second prewashing tower slurries spraying layer 62, the 3rd prewashing tower slurries spraying layer 63, water blocking component 7, Water shielding curtain
Plate 71, the diversion channel 72 that catchments, supporting beam 73, absorption tower slurries spraying layer 8, the first absorption tower slurries spray 81, second absorption tower
Slurries spraying layer 82, absorption tower washing layer 9, washing tower tray 91, packing layer 92, the first absorption tower water spray 93, second absorption tower
Water spray layer 94, absorption tower are except knoisphere 10, electrostatic precipitator 101, wet electrical dust precipitator 102, microvesicle generators 11, prewashing tower outlet
Mouth 12, absorption tower air inlet 13, the component 14 that intercepts water, the frid 141 that intercepts water, leakage fluid dram 142, drain pipe 143, exhaust gases passes 15.
Embodiment
A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant, as described in Figure 1, its agent structure are the prewashing tower in left side
1 and the absorption tower 2 on right side, it is arranged on kiln gas air inlet 3, the stove being arranged at the top of the absorption tower of the prewashing top of tower
Flue gas gas outlet 4, the prewashing tower gas outlet 12 are connected with the absorption tower air inlet 13 by exhaust gases passes 15.
The direction of motion of prewashing tower 1 principal space axial direction along the kiln gas is disposed with aerosol cohesion washing layer
5th, prewashing tower slurries spraying layer 6.1 main body of prewashing tower is in hollow cylinder, and top is the round estrade of reduced diameter, institute
State round estrade and be provided with aerosol cohesion washing layer 5.The aerosol cohesion washing layer 5 includes kiln gas air inlet 3, atomizing lance
51 and closed air hood 54.The atomizing lance has multiple, is set around kiln gas air inlet 3, closed air hood 54 is on round estrade top
Portion so that be isolated from the outside world into the gas in gas inlet cover.Kiln gas enters prewashing tower, atomizing lance 51 and work by air inlet 3
Skill water atomization plant 52, compressed air 53 connect, and clear water atomization are produced a large amount of droplets, kiln gas is quickly passed with atomized water
Matter is conducted heat, and can reduce by 10~15 DEG C of flue-gas temperature, is on the one hand conducive to the aerosol cohesion coalescence in flue gas, another aspect system
The reduction of temperature is conducive to Hg0Oxidation and Hg2+Absorption.
5 lower section of aerosol cohesion washing layer is provided with the prewashing tower slurries spraying layer 6, the prewashing tower slurries spray
Layer 6 is disposed with the first prewashing tower slurries spraying layer 61, the injection that injection water is directed downward along the direction of motion of kiln gas
Water (flow) direction the second prewashing tower slurries spraying layer 62 upward and penetrate the 3rd prewashing tower slurries spraying layer 63 of water (flow) direction upward.
The prewashing tower slurries spraying layer 6 is connected with water circulating pump, it is possible to achieve circulation washing.
The top of prewashing tower gas outlet 12 is provided with water blocking component 7, and the water blocking component includes water blocking curtain plate 71, catchments
Diversion channel 72 and supporting beam 73；Described 71 one end of water blocking curtain plate is perpendicularly fixed at the inner wall of tower of the top of prewashing tower gas outlet 12
Bending is folded down after upper and horizontal-extending into tower, guides the current of the top of prewashing tower gas outlet 12 to be converged to centre, separately
One end connects the supporting beam 73 and is fixed on by the supporting beam 73 inside the prewashing tower 1；The diversion channel 72 that catchments hangs down
Directly upward and it is fixed on the top of the supporting beam.Water blocking curtain plate 71, catchment diversion channel 72 and supporting beam 73 can stop spray
Slurries are emitted directly toward flue or by slurry overflowings caused by wall stream, to reduce absorption tower concentration of slurry.
The component 14 that intercepts water includes intercept water frid 141, leakage fluid dram 142, drain pipe 143；The frid 141 that intercepts water is set
Pipeline lower inside in the prewashing tower gas outlet 12, intercepts the current entered in pipeline；The frid 141 that intercepts water intercepts water
Front at stream is provided with the leakage fluid dram 142, and the leakage fluid dram 142 passes through the discharge opeing that is arranged on below the leakage fluid dram
Pipe 143 guides current to flow downward out.
The water blocking component 7 and the component 14 that intercepts water can reduce the carrying amount that prewashing tower spray liquid enters absorption tower,
Keep absorption tower and the solution concentration of prewashing tower poor.After increasing water blocking component 7 and the component 14 that intercepts water, it is contemplated that prewashing tower enters
The total liquid measure in absorption tower is reduced to 7t/h by 45t/h, is reduced 84%, can effectively be reduced absorption tower concentration of slurry.Supplemented by absorption tower
Technique clear water 12t/h is counted, and absorption tower concentration of slurry is about 13%.Absorption tower low concentration circulation washing is conducive to aerosol concentration
Control.
As preferred embodiment, the surface of the water blocking component 7 and intercept water component 14 and the slurry liquid contacts carries out
Sandblasting is polished, and is provided with glass flake, and can play preferably prevents corrosiveness, can be on active service for a long time.
The direction of motion of absorption tower 2 principal space axial direction along the kiln gas is disposed with absorption tower slurries spray
Knoisphere 10 is removed on layer 8, absorption tower washing layer 9, absorption tower.
The absorption tower slurries spraying layer 8 be disposed with that injection water is directed downward along the direction of motion of kiln gas
The second absorption tower slurries spraying layer 82 that one absorption tower slurries spraying layer 81, injection water are directed downward.The absorption tower slurries
Spraying layer 8 is adjacent with water circulating pump, it is possible to achieve circulation washing.
The direction of motion of absorption tower washing layer 9 along kiln gas is disposed with washing tower tray 91, packing layer 92, injection water
The second absorption tower water spray layer 94 that the first absorption tower water spray layer 93 for being directed downward, injection water are directed downward.The water
It is eddy flow gas cap tower tray to wash tower tray 91.Described filler layer 92 is ceramic packing.Two layers washing spray, ceramic packing, eddy flow gas cap
The absorption tower washing layer 9 of tower tray composition, realizes low concentration clear water three-level circulating water wash.To flue gas entrainment ammonia and ammonium sulfate into
Row washing, can substantially reduce flue gas entrainment, packing layer 92, the first absorption tower water spray layer 93 and second absorption tower water spray
Layer 94, improves desulphurizing ability, reduces the generation of aerosol, strengthens trapping and washing to trickle aerosol, increases particle diameter, lifting
To the removal efficiency of aerosol.The absorption tower washing layer 9 is adjacent with water circulating pump, it is possible to achieve circulation washing.
The absorption tower is disposed with electrostatic precipitator 101, wet-esp except the direction of motion of knoisphere 10 along kiln gas
Device 102；Electrostatic precipitator 101 is arranged on wet electrical dust precipitator 102 above can be with smooth air-flow；Wet electrical dust precipitator 102 is included just
Hexagonal honeycomb shape electroconductive frp anode tube, titanium pole discharge lines and high-voltage pulse electric source device, high-voltage pulse electric source device
Output terminal connection titanium pole discharge lines, the high-voltage pulse power source add the high voltage power supply that pulse voltage integrates, the titanium for base laminated
Pole discharge lines are located at the center of anode tube.
The wet electrical dust precipitator 102 can provide the corona discharge power more several times greater than electric precipitator, to the particle of submicron order
(such as fine dust, metallic particles, SO3 acid mists, drop) also has very strong trapping ability.Wet electrical dust precipitator uses high-frequency electrical
Source or the pulse power, and increase the pre- demisting of high-ratio surface filler before electric precipitator, improve air flow method.Wet electrical dust precipitator leads to
Corona discharge is crossed, gas ionization moment is produced substantial amounts of electronics, ion, and including O and O3Active group inside, a side
Face can make the particulate in flue gas charged, make directed movement to dust collector pole under the action of electric field force, reach trapping purpose；It is another
Aspect active group can effectively facilitate the oxidation that HgO is remained in flue gas, make it easy to form HgP or water-soluble species and in electricity
It is charged in, make directed movement to dust collecting pole plate under the action of electric field force, finally obtained into the liquid film on people's dust collecting pole plate
With removing.The wet electrical dust precipitator 102 can neatly adjust corona discharge power according to operating mode, greatly improve end to residual contamination
The trapping ability of thing, effectively control control residual ammonia effusion, ammonium salt entrainment, aerosol discharge and mercury emissions.
2 main body of absorption tower is in hollow cylinder, and top is provided with can root except the cylindrical portion diameter of knoisphere 10
According to the size at 2 top of actual size adjustment absorption tower except knoisphere 10.
The application process of above device, including following processing step：
1) kiln gas enters the aerosol cohesion washing layer of the prewashing tower from the kiln gas air inlet, is sprayed with the atomization
The clear water droplet that clear water and pressure-air mixed aerosol are formed is carried out rapid mass transfer heat transfer by rifle；
2) kiln gas by the step (1) processing enters spraying layer progress circulation washing for the first time；
3) kiln gas by the step (2) processing passes through under the absorption tower lower sidewall and the prewashing tower side wall
The connecting pipe in portion enters the absorption tower lower part；
4) kiln gas by the step (3) processing enters second of circulation washing of slurries spraying layer progress；
5) kiln gas by the step (4) processing carries out clear water by water scrubber disc layer, packing layer, washing spraying layer
Three-level circulating water wash；
6) kiln gas by the step (5) processing is caught and is divided by the electrostatic precipitator, the wet electrical dust precipitator
From the submicron particles in the kiln gas；
7) kiln gas described in the kiln gas by the step (6) processing passes through the kiln gas at the top of the absorption tower
Discharge gas outlet.
The application of above device is also aoxidized using step (8) microvesicle, and the step (8) is located at step (2) after step (1)
Before；The microvesicle oxidation technology, is the microvesicle distributor by being arranged on the prewashing tower and the absorb the bottom of the tower, will
For scattered air from bottom of towe upwards through the uplink in continuous phase slurries in the form of bubbles, the oxygen in air dissolves in liquid phase and and slurries
Reaction, bubble uplink have stirring action to slurries.The technique also effectively avoids desulfurization while efficient oxidation ammonium sulfite
Slurries sulfite salt is to absorbed Hg2+Reduction, effectively avoid Hg2+It is reduced to Hg0Separate out and cause mercury again
Release, so as to ensure that demercuration efficiency.
Application Example
It is as a result as follows using the device actual treatment industrial smoke of the utility model.
| Performance indicator | Application Example 1 | Application Example 2 |
| Survey exhaust gas volumn/(m3/h) | 227667 | 236631 |
| Standard fume amount/(Nm3/h) | 220147 | 223109 |
| Inlet flue gas SO2Concentration/(mg/Nm3) | 758.1 | 745.6 |
| Exiting flue gas SO2Concentration/(mg/Nm3) | 9.1 | 8.2 |
| Entrance mercury concentration/(μ g/Nm3) | 43.44 | 32.28 |
| Outlet mercury concentration/(μ g/Nm3) | 8.27 | 6.93 |
| Entrance dust concentration/(mg/Nm3) | 65.3 | 72.8 |
| Export dust concentration/(mg/Nm3) | 2.6 | 2.8 |
Effectively illustrated by Application Example, the utility model can very well reduce exiting flue gas SO2Concentration, outlet
Mercury concentration and outlet dust concentration, can reach environmental emission standard.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
Apply mode make a change and modification.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into the scope of the claims of the utility model.In addition, although
Some specific terms have been used in this specification, but these terms are merely for convenience of description, not to the utility model structure
Into any restrictions.
Claims (8)
1. a kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant, including prewashing tower, absorption tower, it is arranged on the prewashing tower top
The kiln gas air inlet in portion, the kiln gas gas outlet being arranged at the top of the absorption tower, be arranged on prewashing tower and absorb the bottom of the tower
Microvesicle distributor, the prewashing tower side wall lower part is provided with prewashing tower gas outlet, and the absorption tower lower sidewall is provided with suction
Tower air inlet is received, the prewashing tower gas outlet is connected with the absorption tower air inlet by exhaust gases passes, it is characterised in that described
Water blocking component is provided with above prewashing tower gas outlet, the exhaust gases passes are internally provided with the component that intercepts water, the prewashing tower main body
The direction of motion of space axial direction along kiln gas is disposed with aerosol cohesion washing layer, prewashing tower slurries spraying layer, described
The direction of motion of absorbent tower body space axial direction along kiln gas is disposed with absorption tower slurries spraying layer, absorption tower washing
Knoisphere is removed on layer, absorption tower.
2. integrated apparatus according to claim 1, it is characterised in that the water blocking component includes water blocking curtain plate, catchments
Diversion channel and supporting beam；The supporting beam and prewashing tower tower wall use weld connection；Described water blocking curtain plate one end is perpendicularly fixed at
Bending is folded down on inner wall of tower above the prewashing tower gas outlet and after horizontal-extending into tower, guides the prewashing tower outlet
Current above mouthful are converged to centre, and the other end connects the supporting beam；It is described to catchment diversion channel vertically upward and be fixed on institute
State the top of supporting beam.
3. integrated apparatus according to claim 1 or 2, it is characterised in that the component that intercepts water includes intercept water frid, row
Liquid mouth, drain pipe；The frid that intercepts water is arranged on lower section in the exhaust gases passes, intercepts the current entered in pipeline；Described section
Tank plate intercepts in front of at current and is provided with the leakage fluid dram, and the leakage fluid dram passes through the institute that is arranged on below the leakage fluid dram
Drain pipe guiding current are stated to flow downward out.
4. integrated apparatus according to claim 1, it is characterised in that the aerosol cohesion washing layer is provided with several
Atomizing lance, the atomizing lance are arranged on around the kiln gas air inlet；The atomizing lance and compressed air, process water
Atomising device connects；The prewashing top of tower is provided with closed air hood, and the kiln gas air inlet and the atomizing lance are located at
In the closed air hood.
5. integrated apparatus according to claim 1, it is characterised in that the prewashing tower slurries spraying layer is along kiln gas
The direction of motion is disposed with of the first prewashing tower slurries spraying layer that injection water is directed downward, injection water direction upward
Two prewashing tower slurries spraying layers and penetrate the 3rd prewashing tower slurries spraying layer of water (flow) direction upward；The absorption tower slurries spraying layer
The first absorption tower slurries spraying layer, the injection water side that injection water is directed downward are disposed with along the direction of motion of kiln gas
To second absorption tower slurries spraying layer directed downwardly.
6. integrated apparatus according to claim 1, it is characterised in that movement of the absorption tower washing layer along kiln gas
Direction is disposed with the first absorption tower water spray layer, the injection water side that washing tower tray, packing layer, injection water are directed downward
To second absorption tower water spray layer directed downwardly.
7. integrated apparatus according to claim 1, it is characterised in that remove movement of the knoisphere along kiln gas in the absorption tower
Direction is disposed with electrostatic precipitator, wet electrical dust precipitator.
8. integrated apparatus according to claim 1, it is characterised in that the water blocking component and component and the slurry of intercepting water
The surface of liquid contact is provided with glass flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289516.8U CN207287073U (en) | 2017-09-30 | 2017-09-30 | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289516.8U CN207287073U (en) | 2017-09-30 | 2017-09-30 | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207287073U true CN207287073U (en) | 2018-05-01 |
Family
ID=62413474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289516.8U Active CN207287073U (en) | 2017-09-30 | 2017-09-30 | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207287073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469580A (en) * | 2017-09-30 | 2017-12-15 | 广东佳德环保科技有限公司 | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant and technique |
-
2017
- 2017-09-30 CN CN201721289516.8U patent/CN207287073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469580A (en) * | 2017-09-30 | 2017-12-15 | 广东佳德环保科技有限公司 | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant and technique |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107469580A (en) | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant and technique | |
| CN100531865C (en) | Method of synchronously cleansing air pollutant by smoke of plasma discharge caused by spreading light | |
| CN105854479B (en) | A kind of ammonia type flue gas desulfurizing apparatus and method for removing aerosol | |
| CN102059050A (en) | Low-temperature plasma smoke compound pollutant control method | |
| CN108479369A (en) | A kind of ultra-clean discharge ammonia desulfuration equipment and technique | |
| CN205145894U (en) | Industrial waste gas's SOx/NOx control dust removal integration purification treatment system | |
| CN104226479A (en) | Efficient wet type electric dedusting and purifying device and method for smoke obtained after wet desulphurization | |
| CN205164384U (en) | Power station flue gas static sprays desulfurization dust collector | |
| CN104324805A (en) | Method for capturing PM2.5 fine particles through water mist charged coagulation for electric precipitation | |
| CN106823720A (en) | A kind of integrated atmosphere pollution purifier | |
| CN102274680A (en) | Steamer discharge ammonia flue gas desulfurization, denitration and demisting integrated method | |
| CN201572607U (en) | Dust removal and denitration composite device for coal smoke | |
| CN205435424U (en) | Synchronous SOx/NOx control demercuration system | |
| CN208711402U (en) | A kind of high-efficiency multi-stage spraying foam dust-removing desulfurating apparatus | |
| CN214468725U (en) | Boiler tail gas desulfurization and denitrification integrated device | |
| CN207287073U (en) | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant | |
| CN204018028U (en) | A kind of high-efficient wet-type electric precipitation purifier of wet-method desulfurized fume | |
| CN206897142U (en) | A kind of integrative coordinated removing sulfur trioxide device suitable for sulphur coal | |
| CN203893210U (en) | Novel smoke comprehensive treatment device | |
| CN106215561B (en) | A kind of coal-fired flue gas treatment method | |
| CN207137534U (en) | A kind of enhanced rotational flow dust-removing demister of coalescence | |
| CN206184198U (en) | Compound water smoke electric field clarifier | |
| CN208694575U (en) | A kind of three cycle multistage desulfation dust-extraction device of double tower | |
| CN205796820U (en) | A kind of desulfurating dust-removing equipment | |
| CN209254469U (en) | A kind of flue gas purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |