CN207085669U - A kind of mono-tower multi-stage circulates multiloop desulfurizer - Google Patents
A kind of mono-tower multi-stage circulates multiloop desulfurizer Download PDFInfo
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Abstract
The utility model discloses a kind of mono-tower multi-stage to circulate multiloop desulfurizer, including desulfurizing tower body and the demister being arranged in desulfurizing tower chamber body, outer circulation spraying layer, the desulfurizing tower chamber body is additionally provided with slurry diversion plate, the outer circulation spraying layer, slurry diversion plate is as an assembled unit at least provided with one group, the slurry diversion plate includes bottom baffles, permeability cell, water fender, the bottom baffles are uniformly laid with through hole, each through hole installation permeability cell, water fender of the permeability cell upper port by support connect cover above permeability cell.The utility model is designed reasonably, it is simple in construction, easily make, cost is low, easy for installation, safe to use, multiple stage circulation multiloop, can the combination of free modular, reach the effect of multitower series connection.According to the number of sulfur content in flue gas, so as to increase or decrease the quantity of circulation loop.
Description
Technical field
Motor fixed adjustment device is the utility model is related to, specifically a kind of mono-tower multi-stage circulation multiloop desulfurization dress
Put.
Background technology
Domestic desulfurization at present is most to use single column single cycle, and general desulfuration efficiency can reach more than 95%.Do not changing such as
Cash and ensure that high desulfurization efficiency reaches 98% even SO2 zero-emissions and will be difficult under equipment deployment scenarios for a long time.For sulfur content
High flue gas, influenceed using single column single cycle desulfurizing tower by desulfuration efficiency and flue gas are pockety in tower, discharge is
Requirement is not reached.
By patent searching document, application number：201310675122.6 publication date 2016-08-17 discloses a kind of flue gas
Desulphurization system, including fume desulfurizing tower, the fume desulfurizing tower include tower body and the tower body inner chamber surrounded by tower body, and described
Fume desulfurizing tower is divided into washing section, absorber portion and exhausting section along flow of flue gas direction, and the absorber portion is included along cigarette
Flow of air side is successively set on the first liquid collecting distribution device in tower body inner chamber, the first packing layer, the first liquid distribution device, spray
Mist desulfurizer and the first demister, wherein, first liquid distribution device includes the first desulfurization being arranged on tower body
Solution inlet and the first cloth liquid component being connected with the first desulfuration solution entrance；The first liquid collecting distribution device includes
The the first liquid collecting outlet being arranged on tower body；The spraying desulphurization device includes the second desulfuration solution entrance being arranged on tower body
And the FGD by spraying mist component being connected with the second desulfuration solution entrance, the FGD by spraying mist component include the first spray main pipe
And multiple shower nozzles of the first spray main pipe on the tube wall of the first liquid distribution device side are arranged on, pass through the spraying
Desulfurization module, desulfuration solution can be made to form atomized drop and contacted with flue gas adverse current；The washing section is included along flow of flue gas
Just set gradually with lower component：The smoke inlet being arranged on tower body and the first smoke distribution being arranged in tower body inner chamber
Device, cleaning solution spray equipment, the first high-pressure flushing device, the 3rd demister, the second high-pressure flushing device and the 4th demisting dress
Put, wherein, the cleaning solution spray equipment includes the first cleaning solution entrance being arranged on tower body and washed with described first
The spray assemblies of liquid entrance connection；First high-pressure flushing device include being arranged on the second cleaning solution entrance on tower body and
The first high pressure washing component being connected with the second cleaning solution entrance, it is female that the first high pressure washing component includes the 3rd spray
Multiple shower nozzles of the 3rd spray main pipe on the tube wall of the 3rd demister side are managed and are arranged on, with to the 3rd demister
Bottom be rinsed；Second high-pressure flushing device include being arranged on the 3rd cleaning solution entrance on tower body and with it is described
Second high pressure washing component of the 3rd cleaning solution entrance connection, the second high pressure washing component include the 4th spray main pipe, the
Five spray main pipes and be arranged on the 4th spray main pipe on the tube wall of the 3rd demister side and the 5th spray main pipe lean on
Multiple shower nozzles on the tube wall of nearly 4th demister side, with the top and the 4th demister to the 3rd demister
Portion is rinsed.
Patent document disclosed above in technical scheme, technique effect and the technical problem of solution all with the utility model not
It is identical, for example can not prevent slurries from being flowed into from permeability cell in next stage race way, and cause SO2 to be divided, and dust
Can not effectively it be removed.
Utility model content
The purpose of this utility model is to provide a kind of mono-tower multi-stage circulation multiloop desulfurizer, reasonable in design, structure
Simply, easily make, cost is low, easy for installation, safe to use, multiple stage circulation multiloop, can the combination of free modular, reach multitower
The effect of series connection.According to the number of sulfur content in flue gas, so as to increase or decrease the quantity of circulation loop.
In order to reach above-mentioned purpose, the utility model employs following technical scheme, and a kind of mono-tower multi-stage circulates multiloop
Desulfurizer, including desulfurizing tower body and the demister, the outer circulation spraying layer that are arranged in desulfurizing tower chamber body, it is described de-
Sulphur tower bodies top sets chimney, is provided with gas approach on this body sidewall of desulfurizing tower, the demister is located at spraying layer
Position between chimney, the desulfurizing tower chamber body are additionally provided with slurry diversion plate, the outer circulation spraying layer, slurry
As an assembled unit at least provided with one group, wherein slurry diversion plate is located at below outer circulation spraying layer liquid flow distribution plate, described
Demister, outer circulation spraying layer, slurry diversion plate are respectively positioned on the position between gas approach and chimney, the slurry diversion
Plate includes bottom baffles, permeability cell, water fender, and the bottom baffles are uniformly laid with through hole, and each through hole installs permeability cell, institute
State water fender of the permeability cell upper port by support connect cover above permeability cell.
The bottom baffles periphery design of the slurry diversion plate has water leg, and the water leg is connected by pipeline and followed outside tower
Ring slurry tank upper port, while the first wear-resistant centrifugal pump is connected by pipeline as the outer circulation spraying layer of same assembled unit
Outlet, the first wear-resisting centrifugal pump inlet connection tower outer circulation slurry tank lower port.
Tower outer circulation slurries box mixer is provided with the tower outer circulation slurry tank.
Water film filtering layer is additionally provided with the desulfurizing tower chamber body, the water film filtering layer is located at below demister
Position.
The water film filtering layer includes valve plate, and the valve plate periphery sets water falling groove, the desulfurizing tower body
The delivery port towards water falling groove is opened up, the delivery port is connected the upper port of water tank by pipeline, set above water film filtering layer
One water inlet, the water inlet connect the second wear-resisting centrifugal pump discharge, the second wear-resisting centrifugal pump inlet connection by slurries pipeline
Water tank lower port.
Water tank agitator is installed in the water tank.
Downflow weir is set between the water film filtering layer upper surface and water falling groove.
Flue gas even distribution rod grid are additionally provided with the desulfurizing tower chamber body, the flue gas even distribution rod grid are located at gas approach
The position of top, the flue gas even distribution rod grid include at least two layers of stainless steel tube pipe row, adjacent two layers and are staggered in 90 degree.
The stainless steel tube pipe row is by stainless steel tube laterally side by side together and bundled together by these stainless steel tubes
Flat steel bar is formed.
The desulfurizing tower chamber body is also associated with bottom of towe aeration tube, and bottom of towe aeration tube is arranged on the lower section of gas approach.
The desulfurizing tower chamber body is also associated with slurries impact agitating device.
The slurries impact agitating device includes slurries impact comb, and the slurries impact comb import connection the 3rd is wear-resisting
Outlet of centrifugal pump, the 3rd wear-resisting centrifugal pump inlet are connected to slurries by pipeline and impact desulfurizing tower chamber body above comb.
The desulfurizing tower chamber body is also associated with interior circulated sprinkling layer, and interior circulated sprinkling layer is located on flue gas even distribution rod grid
Side, the interior circulated sprinkling layer connect the 4th wear-resisting centrifugal pump discharge by pipeline, and the 3rd wear-resisting centrifugal pump inlet passes through pipeline
Desulfurizing tower body lower port.
Compared to prior art, the utility model has the advantages that：
The slurries of each circulation are opened with bottom of towe loop slurry from source separation using tower outer circulation slurry tank, each slurry tank
Middle slurries PH is differed, and recycle slurry liquid case is connected by circulating pump with the spraying layer in the middle part of tower, and spraying layer bottom is provided with slurries
Flow distribution plate, upper strata slurries are collected into recycle slurry liquid case, tower bottom slurries impact stirring and aerating pipelines, in desulfurizing tower orlop
One-level flue gas even distribution rod grid are set in the space between spraying layer and gas approach top plate, and top layer spraying layer top is provided with water membrane
Filter layer, flue gas can obtain more preferable filter effect by water film filtering layer, and water film filtering layer top is efficiently removed provided with two-stage
Day with fog, identical above and below tower body diameter itself, top is provided with direct exhaust chimney.
Tower bottom slurries impact stirring is extracted liquid out from absorb the bottom of the tower reaction tank upper strata by centrifugal pump, is weighed by the road
Newly it is transmitted back to reaction tank bottom.Impingement flow is just generated when liquid is gone out from nozzle, can be stirred by impingement flow effect
Bottom of towe solids has been mixed, and then has prevented to precipitate；
Water film filtering layer employs float valve tray, and one of moisture film is formed in tray surface, and flue gas passes through moisture film from the bottom up,
Realization is once filtered；Water film filtering layer and bottom demister spacing ＞ 1.5m；
Due to the slurry diversion plate using unique design structure, slurries are collected and returned in slurry tank it is achieved thereby that multistage
Circulation, flue gas passes through primary cycle, first takes off a part of SO2 in flue gas, and about 60% to 80%, then by two level tower, take off
95% or so of remaining SO2 in flue gas, multiple stacking, so as to reach the requirement that total desulfuration efficiency is more than 98%.
Mono-tower multi-stage circulation desulfurizing device follows using desulfurizing agent (slurries such as lime/lime stone) is independent outside desulfurizing tower
Ring slurry tank, slurries are squeezed into by spraying layer by circulating pump, carry out blended absorbent reaction with flue gas, reacted slurries pass through slurry
Liquid flow distribution plate, by slurry reflux to tower outer circulation slurry tank, single column multi-cycle multiloop, more pH values operation Discrete control are realized,
Reach the effect of multitower series connection and add water membrane filtering, the discharge of dust can be substantially reduced, realize minimum discharge, fitted
The flue gas high for high pollution thing, sulfur content.The slurries property in recycle slurry liquid case around desulfurizing tower (is advantageous to for pH value is high
Desulfurization), solid concentration is low, impurity is few, ensure high-selenium corn efficiency reliability service.Slurries property in desulfurizing tower bottom slurry pond
For pH value is low, solid concentration is high, be advantageous to accessory substance oxidation.Each circulation loop has different chemical reaction processes, solid dense
Degree, solids versions and pH value, the technology have passed through multiple independent SO2 subtractive process equivalent to flue gas.
The utility model realizes that flue gas has passed through multiple independent SO2 subtractive process.Multi-cycle, multiloop, more pH values fortune
Row Discrete control, flue gas even distribution rod grid play flue gas even distribution effect, while increase water membrane filter layer, suitable for high pollution
The high flue gas of thing, sulfur content.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the hardened composition of slurry diversion in Fig. 1；
Fig. 3 is partial enlarged drawing in Fig. 2；
Fig. 4 is flue gas even distribution rod grid schematic diagram in Fig. 1；
Fig. 5 is Fig. 1 water film filtering layer schematic diagrames；
Fig. 6 is slurries impact stirring schematic diagram in Fig. 1.
In figure：1st, desulfurizing tower body, circulated sprinkling layer in 2, demister, 3, water film filtering layer, 4,5, slurry diversion plate, 6,
Chimney, 7, tower outer circulation slurries box mixer, 8, tower outer circulation slurry tank, 9, centrifugal water pump, 10, slurries impact stirring dress
Put, 11, bottom of towe aeration tube, 12, gas approach, 13, flue gas even distribution rod grid, 14, water tank agitator, 15, water tank, 16, slurries point
Flowing plate bottom baffles, 17, water leg, 18, permeability cell, 19, water fender, 20, stainless steel tube, 21, valve plate, 22, delivery port,
23rd, downflow weir, 24, water inlet, 25, slurries impact comb, 26, one-level outer circulation spraying layer, 27, two level outer circulation spraying layer,
28th, three-level outer circulation spraying layer, 29, interior circulation wear-resistant centrifugal pump, 30, one-level outer circulation wear-resistant centrifugal pump, 31, two level outer circulation
Wear-resistant centrifugal pump, 32, three-level outer circulation wear-resistant centrifugal pump, 33, slurries impact wear-resistant centrifugal pump.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing is only to refer to
With purposes of discussion, not it is used for being any limitation as the utility model.
As shown in accompanying drawing 1 to Fig. 6, a kind of mono-tower multi-stage circulates multiloop desulfurizer, including desulfurizing tower body 1 and sets
Demister 2, interior circulated sprinkling layer 4 in desulfurizing tower chamber body are put, the desulfurizing tower bodies top sets chimney 6,
Gas approach 12, position of the demister between spraying layer and chimney, institute are provided with this body sidewall of desulfurizing tower
State desulfurizing tower chamber body and be additionally provided with slurry diversion plate 5, the outer circulation spraying layer, slurry diversion plate are single as a combination
Member is at least provided with one group, and wherein slurry diversion plate is located at below outer circulation spraying layer, the demister, outer circulation spraying layer, slurry
Liquid flow distribution plate is respectively positioned on the position between gas approach and chimney, and the slurry diversion plate includes bottom baffles 16, breathed freely
Pipe 18, water fender 19, the bottom baffles are uniformly laid with through hole, and each through hole installs permeability cell, the permeability cell upper port
Pass through water fender of the support connect cover above permeability cell.
The bottom baffles periphery design of the slurry diversion plate has water leg 17, and the water leg is connected outside tower by pipeline
The upper port of recycle slurry liquid case 8, at the same as same assembled unit outer circulation spraying layer by pipeline connection first it is wear-resisting from
Heart pump 9 exports, the first wear-resisting centrifugal pump inlet connection tower outer circulation slurry tank lower port.Set in the tower outer circulation slurry tank
There is tower outer circulation slurries box mixer 7.
Water film filtering layer 3 is additionally provided with the desulfurizing tower chamber body, the water film filtering layer is located at below demister
Position.The water film filtering layer includes valve plate 21, and valve plate is a kind of known technology, is provided with-determines on valve plate
The valve opening (circular or rectangle) of shape, there are circle, rectangle, dish type etc. equipped with the valve block that can be fluctuated in hole, so as to be formed not
With the valve plate of pattern.Domestic conventional at present is F1 types (equivalent to the V-1 types of foreign countries) float valve, rectangular valve also begin to by
To attention.There is ministry standard (JBl118) country.(production capacity is big, operation because it has excellent combination property for valve plate
Elasticity is big, plate efficiency is high, manufacturing expense is low etc.) turn into a kind of current most widely used column plate.The valve plate week
Side sets water falling groove, and the desulfurizing tower body opens up the delivery port 22 towards water falling groove, and the delivery port connects water tank by pipeline
15 upper port, one water inlet 24 of setting above water film filtering layer, the water inlet are wear-resisting by the connection second of slurries pipeline
Centrifugal pump 27 exports, the second wear-resisting centrifugal pump inlet connection water tank lower port.Water tank agitator 14 is installed in the water tank.Institute
State setting downflow weir 23 between water film filtering layer upper surface and water falling groove.
Flue gas even distribution rod grid 13 are additionally provided with the desulfurizing tower chamber body, the flue gas even distribution rod grid enter positioned at flue gas
Position above mouthful, the flue gas even distribution rod grid include at least two layers of stainless steel tube pipe row, adjacent two layers and are staggered in 90 degree.
Stainless steel tube pipe row is by stainless steel tube 20 laterally side by side together and by these stainless steel tubes flat steel bar bundled together
Form.
The desulfurizing tower chamber body is also associated with bottom of towe aeration tube 11, and bottom of towe aeration tube is arranged under gas approach
Side.
The desulfurizing tower chamber body is also associated with slurries impact agitating device 10.The slurries impact agitating device includes
Slurries impact comb 25, and the slurries impact comb import connection slurries impact wear-resistant centrifugal pump 33 exports, and slurries impact is wear-resisting
Centrifugal pump inlet is connected to slurries by pipeline and impacts the top desulfurizing tower chamber body of comb 25.
The desulfurizing tower chamber body is also associated with interior circulated sprinkling layer 4, and interior circulated sprinkling layer is located at flue gas even distribution rod grid
13 tops, the interior circulated sprinkling layer connect interior circulation wear-resistant centrifugal pump 29 by pipeline and exported, and interior circulation wear-resistant centrifugal pump enters
Mouth passes through pipeline desulfurizing tower body lower port.
Desulfurizing tower body 1 is in cylinder, and top is provided with chimney 6, and tower body upper strata installation demister 2, its material is ABS
Or pp, demister bottom are provided with water film filtering layer 3, tower body is surrounded by tower outer circulation slurry tank 8, and recycle slurry liquid case is cylinder
Tower outer circulation slurries box mixer is installed on body, top, and 7 and slurry reflux mouth, slurry reflux mouth catchment with the side of slurry diversion plate 5
Groove 17 is connected, and loop slurry is collected and returned in tower outer circulation slurry tank 8, and bottom is provided with slurries liquid outlet and three-level outer circulation
Wear-resistant centrifugal pump 32 connects, and slurries are transported to three-level outer circulation by slurries pipeline by three-level outer circulation wear-resistant centrifugal pump 32 and sprayed
Drenching layer 28 carries out uniform atomizing, and carry out absorbing reaction is inversely contacted with flue gas in tower；Tower bottom side installation slurries impact stirring
10 prevent bottom slurry from precipitating, and contribute to the crystallization of gypsum equipped with bottom of towe aeration tube 11, can obtain the very high gypsum of quality；
Gas approach 12 is installed at the upward 7-8m of tower bottom, the angle of inclination of itself and tower body is 12 °, and size is the 2/3 of diameter.
One-level flue gas even distribution rod grid 13 are set in the space between desulfurizing tower orlop spraying layer and the top plate of gas approach 12.Slurry diversion
Plate 5, top install multiple permeability cells 18, are advantageous to flue gas by the way that its diameter is between 159~219mm and in permeability cell 18
Top is mounted with water fender 19, and its width will exceed the diameter at least 100mm of permeability cell 18, leads between permeability cell 18 and water fender 19
Cross -100*8 band steel on one side one piece connection, the distance between water fender 19 and the upper orifice of permeability cell 18 control 50-80mm it
Between, it is mounted with that water fender 19 prevents slurries from being flowed to from permeability cell 18 in lower floor's circulation.So as to ensure that the independence of each circulation,
Serve flue gas again equally distributed effect.Flue gas passes through water film filtering layer 3 afterwards by absorbing spraying layer, and it is by float valve
Column plate 21, delivery port 22, downflow weir 23, water inlet 24 form, and recirculated water forms one of moisture film on valve plate 21, can be effective
The discharge of dust is prevented, ultra-clean discharge can be realized plus the demister 2 at top.
Tower outer circulation slurries PH controls 4.5~5.1, PH controls in the outer primary cycle slurry tank of tower 5.1~5.6,
PH control of the PH controls in 5.6~6.0, the outer three-level recycle slurry liquid case of tower in the outer secondary cycle slurry tank of tower 6.0~
6.4, the control of PH highests does not exceed 6.5 during multistage-combination, while the pH value in each slurry tank can export CEMS according to desulfurizing tower
System detectio SO2Content adjusts.Slurry diversion plate top is provided with multiple permeability cells, and diameter is between 159~219mm；Slurries point
Flowing plate side is equipped with water leg, and the depth of water leg is between 500~800mm；Spacing between spraying layer and slurry diversion plate
Between 1800~2000mm；The outer slurry tank of described tower separates with desulfurizing tower；
Desulfurizing tower body 1 is made by carbon steel sheet, and profile is cylinder, and inside is lined with Corrosion Protection of Fiber Reinforced Plastics, and bottom is equipped with slurries
Impact stirring 10 and bottom of towe aeration tube 11, slurries impact stirring 10 provide slurries impact energy using the pump outside tower.It is uneasy in tower
Mechanical side agitator is filled, but employs circulating line, and installs several on circulating line and carries towards absorption tower bottom nozzle
Pipeline.In normal operation, slurries are extracted out out of slurry pool of absorption tower upper strata by pump, are transmitted back to again through slurry pipe line
Slurry pool bottom.Liquid stream is just generated when liquid is gone out from nozzle, bottom of towe can be stirred by the slurries percussion
Solids, and then prevent to precipitate.Gas approach 12 is installed at the upward 7-8m of tower bottom, 2205 steel plates are pasted using carbon steel
Make, thickness of inner lining >=3mm, flue cross section is rectangle；Between desulfurizing tower orlop spraying layer and the top plate of gas approach 12
One-level flue gas even distribution rod grid 13 are set in space, play flue gas even distribution effect, the material of flue gas even distribution rod grid 13 is 2205 steel alloys
Pipe, the spacing between steel pipe and steel pipe are controlled between 50-60mm, and framework is made using 2205 square tubes, and stage casing is absorbing reaction
Section, be made up of multigroup circulation loop, can independent assortment, according to the property of flue gas and sulfur content number set circulation loop
Quantity and its pH range of each loop slurries control, its interior circulated sprinkling layer 4 use FRP materials, and spray coverage rate reaches
200%-300%；Slurries pipeline also uses FRP materials, liner SIC wearing layers, and outside has uvioresistant anti-aging layer；Top
Water film filtering layer 3 and bottom demister spacing ＞ 1.5m, the height of downflow weir 23 in water film filtering layer 3 are higher than valve plate 21
Top 80mm, not more than 100mm；Demister 2 selects ridge type as tower diameter >=5m, as tower diameter ＜ 5m from folding
Flowing plate formula, one-level are coarse filtration demisting, and two level is thin filtering demisting.
Slurries in tower outer circulation slurry tank are got in desulfurizing tower after spraying layer atomization with smoke contacts by desulfurization pump, are connect
Slurries after touch separate slurries with flue gas through slurry diversion plate, and the slurries after separation are returned in original serum pot, are completed
One circulation loop；Multiple permeability cells are installed on slurry diversion plate, flue gas passes through from this pipe, installation water fender at the top of permeability cell,
Prevent slurries from being flowed into from permeability cell in next stage race way.The technology has passed through multiple independent SO2 equivalent to flue gas and removed
Journey, flue gas self-absorption tower lower section enter, and the slurries sprayed first with lower circulating sprayer inversely contact, by cooling, washing
The SO2 of part is removed, then upper race way, the liquid that flue gas sprays with upper circulating sprayer herein are entered by slurry diversion plate
The reverse contact of slurry, remaining SO2 is removed by washing.Flue gas after desulfurization first passes through water film and once filtered, by two
After layer demister filtering, by being discharged into chimney above absorption tower, desulfurized step terminates, and SO2 is almost divided, and dust also obtains
It is effective to remove.Desulfurization zone is divided into by circulation loop up and down using slurry diversion plate.It is provided with slurry diversion plate multiple
Tracheae, flue gas pass through from this pipe, and installation water fender at the top of permeability cell, side is equipped with water leg.Bottom of towe is stirred using slurries impact,
Tower wall can not installation side agitator.Tower outer circulation slurry tank thoroughly separates with desulfurizing tower, and loop slurry is separate.Multiple stage circulation
Multiloop can independent assortment, modular installation.Flue gas after desulfurization first passes through water film and once filtered, afterwards again through two layers
Demister filters.
Mono-tower multi-stage circulation desulfurizing device follows using desulfurizing agent (slurries such as lime/lime stone) is independent outside desulfurizing tower
Ring slurry tank, slurries are squeezed into by spraying layer by circulating pump, carry out blended absorbent reaction with flue gas, reacted slurries pass through slurry
Liquid flow distribution plate, by slurry reflux to tower outer circulation slurry tank, single column multi-cycle multiloop, more pH values operation Discrete control are realized,
Reach the effect of multitower series connection and add water membrane filtering, the discharge of dust can be substantially reduced, realize minimum discharge, fitted
The flue gas high for high pollution thing, sulfur content.The slurries property in recycle slurry liquid case around desulfurizing tower (is advantageous to for pH value is high
Desulfurization), solid concentration is low, impurity is few, ensure high-selenium corn efficiency reliability service.Slurries property in desulfurizing tower bottom slurry pond
For pH value is low, solid concentration is high, be advantageous to accessory substance oxidation.Each circulation loop has different chemical reaction processes, solid dense
Degree, solids versions and pH value, the technology have passed through multiple independent SO2 subtractive process equivalent to flue gas.
The utility model employ new slurry diversion plate solve in single column multi-cycle multiloop slurries collect it is rare
Problem, single column multi-cycle multiloop, more pH values operation Discrete control are realized, suitable for the high flue gas of high pollution thing, sulfur content.
The utility model is designed reasonably, it is simple in construction, easily make, cost is low, easy for installation, safe to use, multiple stage circulation multiloop, can
Free modular combination, reach the effect of multitower series connection.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the scope of the claims of the present utility model, its
He uses the equivalence changes of the utility model patent spirit, all should all belong to the scope of the claims of the present utility model.
Claims (13)
1. a kind of mono-tower multi-stage circulates multiloop desulfurizer, including desulfurizing tower body and it is arranged in desulfurizing tower chamber body
Demister, outer circulation spraying layer, the desulfurizing tower bodies top sets chimney, cigarette is provided with this body sidewall of desulfurizing tower
Gas import, position of the demister between spraying layer and chimney, it is characterised in that the desulfurizing tower chamber body
Be additionally provided with slurry diversion plate, the outer circulation spraying layer, slurry diversion plate as an assembled unit at least provided with one group, its
Middle slurry diversion plate is located at below outer circulation spraying layer, and the demister, outer circulation spraying layer, slurry diversion plate are respectively positioned on flue gas
Position between import and chimney, the slurry diversion plate include bottom baffles, permeability cell, water fender, the bottom every
Plate is uniformly laid with through hole, and each through hole installs permeability cell, and the permeability cell upper port is by support connect cover on permeability cell
The water fender of side.
A kind of 2. mono-tower multi-stage circulation multiloop desulfurizer according to claim 1, it is characterised in that the slurries point
The bottom baffles periphery design of flowing plate has water leg, and the water leg connects tower outer circulation slurry tank upper port by pipeline, together
The outer circulation spraying layer of the same assembled units of Shi Zuowei connects wear-resisting centrifugal pump discharge by pipeline, and wear-resisting centrifugal pump inlet connects
Connect tower outer circulation slurry tank lower port.
3. a kind of mono-tower multi-stage circulation multiloop desulfurizer according to claim 2, it is characterised in that followed outside the tower
Tower outer circulation slurries box mixer is provided with ring slurry tank.
A kind of 4. mono-tower multi-stage circulation multiloop desulfurizer according to claim 1, it is characterised in that the desulfurizing tower
Water film filtering layer is additionally provided with chamber body, the water film filtering layer is located at the position below demister.
A kind of 5. mono-tower multi-stage circulation multiloop desulfurizer according to claim 4, it is characterised in that the moisture film mistake
Filtering layer includes valve plate, and the valve plate periphery sets water falling groove, and the desulfurizing tower body opens up going out towards water falling groove
The mouth of a river, the delivery port connect the upper port of water tank by pipeline, and a water inlet, the water inlet are set above water film filtering layer
Centrifugal water pump is connected by pipeline to export, centrifugal water pump import connection water tank lower port.
6. a kind of mono-tower multi-stage circulation multiloop desulfurizer according to claim 5, it is characterised in that in the water tank
Water tank agitator is installed.
A kind of 7. mono-tower multi-stage circulation multiloop desulfurizer according to claim 5, it is characterised in that the moisture film mistake
Downflow weir is set between filtering layer upper surface and water falling groove.
A kind of 8. mono-tower multi-stage circulation multiloop desulfurizer according to claim 1, it is characterised in that the desulfurizing tower
Flue gas even distribution rod grid are additionally provided with chamber body, the flue gas even distribution rod grid are located at the position above gas approach, the cigarette
The uniform rod grid of gas are arranged including at least two row's stainless steel tube pipes, and adjacent two row is staggered in 90 degree.
A kind of 9. mono-tower multi-stage circulation multiloop desulfurizer according to claim 8, it is characterised in that the stainless steel
Pipe pipe row is formed by stainless steel tube laterally side by side together and by these stainless steel tubes flat steel bar bundled together.
A kind of 10. mono-tower multi-stage circulation multiloop desulfurizer according to claim 1, it is characterised in that the desulfurization
Tower chamber body is also associated with bottom of towe aeration tube, and bottom of towe aeration tube is arranged on the lower section of gas approach.
A kind of 11. mono-tower multi-stage circulation multiloop desulfurizer according to claim 1, it is characterised in that the desulfurization
Tower chamber body is also associated with slurries impact agitating device.
A kind of 12. mono-tower multi-stage circulation multiloop desulfurizer according to claim 11, it is characterised in that the slurries
Impacting agitating device includes slurries impact comb, and the slurries impact comb import connects slurries impact wear-resisting centrifugal pump discharge, slurry
Liquid impacts wear-resisting centrifugal pump inlet and is connected to desulfurizing tower chamber body above slurries impact comb by pipeline.
A kind of 13. mono-tower multi-stage circulation multiloop desulfurizer according to claim 8, it is characterised in that the desulfurization
Tower chamber body is also associated with interior circulated sprinkling layer, and interior circulated sprinkling layer is located above flue gas even distribution rod grid, the interior circulation spray
Drenching layer connects interior circulation wear-resisting centrifugal pump discharge by pipeline, and interior circulation wear-resisting centrifugal pump inlet passes through under pipeline desulfurizing tower body
Port.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109200871A (en) * | 2018-09-28 | 2019-01-15 | 北京国电龙源环保工程有限公司 | Waste water zero discharge device slurries tempering system and its operation method |
| CN109432995A (en) * | 2018-12-14 | 2019-03-08 | 四川金象赛瑞化工股份有限公司 | The processing method and processing unit of chemical industry tail gas |
| CN110237670A (en) * | 2019-06-27 | 2019-09-17 | 成都海成环保工程有限公司 | It is a kind of to use Dual alkali circulation desulfurization system and its sulfur removal technology |
| CN113332833A (en) * | 2021-06-24 | 2021-09-03 | 荆门市格林美新材料有限公司 | Circulating spray type waste gas absorption tower |
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2017
- 2017-08-16 CN CN201721024541.3U patent/CN207085669U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109200871A (en) * | 2018-09-28 | 2019-01-15 | 北京国电龙源环保工程有限公司 | Waste water zero discharge device slurries tempering system and its operation method |
| CN109432995A (en) * | 2018-12-14 | 2019-03-08 | 四川金象赛瑞化工股份有限公司 | The processing method and processing unit of chemical industry tail gas |
| CN110237670A (en) * | 2019-06-27 | 2019-09-17 | 成都海成环保工程有限公司 | It is a kind of to use Dual alkali circulation desulfurization system and its sulfur removal technology |
| CN110237670B (en) * | 2019-06-27 | 2021-06-18 | 成都海成环保工程有限公司 | Circulating desulfurization system adopting double-alkali method and desulfurization process thereof |
| CN113332833A (en) * | 2021-06-24 | 2021-09-03 | 荆门市格林美新材料有限公司 | Circulating spray type waste gas absorption tower |
| CN113332833B (en) * | 2021-06-24 | 2023-12-15 | 荆门市格林美新材料有限公司 | Circulation spray type waste gas absorption tower |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A single tower multi-stage circulating multi loop desulfurization device Effective date of registration: 20220616 Granted publication date: 20180313 Pledgee: Weihai Branch of China Merchants Bank Co.,Ltd. Pledgor: WEIHAI ZHENGDA ENVIRONMENT EQUIPMENT Co.,Ltd. Registration number: Y2022370010086 |