CN209696660U - A kind of wet desulphurization white plume processing unit - Google Patents
A kind of wet desulphurization white plume processing unit Download PDFInfo
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- CN209696660U CN209696660U CN201920247569.6U CN201920247569U CN209696660U CN 209696660 U CN209696660 U CN 209696660U CN 201920247569 U CN201920247569 U CN 201920247569U CN 209696660 U CN209696660 U CN 209696660U
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- condensate liquid
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- wet desulphurization
- desulfurizing tower
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Abstract
The utility model relates to a kind of wet desulphurization white plume processing units, belong to fume treatment field, solve the problems, such as the water balance of fume treatment auxiliary in the prior art.The white plume processing unit includes desulfurizing tower (1), it is equipped with condensate collector (2) and condensate liquid spray thrower (3) in desulfurizing tower (1) internal upper part, condensate liquid collecting box (4) is arranged in desulfurizing tower (1) outside；Condensate liquid spray thrower (3) setting is above condensate collector (2)；Condensate liquid collecting box (4) is connect with condensate collector (2)；Condensate collector (2) includes condensate liquid aggregation plate (21) and condensate liquid catch tray (22)；Condensate liquid assembles gap of plate (21) setting between condensate liquid catch tray (22) upper end, condensate liquid aggregation plate (21) and condensate liquid catch tray (22) for passing through flue gas.White plume processing of the utility model suitable for wet desulphurization.
Description
Technical field
The utility model belongs to fume treatment technical field, in particular to a kind of wet desulphurization white plume processing unit.
Background technique
When flue gas desulfurization uses wet desulphurization, the flue gas of desulfurization outlet is usually to be in saturated humidity state, and temperature is higher,
Flue gas water content is also higher.Saturated humidity flue gas after chimney discharge by the lower atmosphere quick refrigeration of temperature, in flue gas
Vapor is condensed into liquid, light transmittance decline, to macroscopic white plume phenomenon occur, reduces desulfurization outlet saturation
The temperature of wet flue gas can directly reduce the water content in flue gas, and then can effectively shorten desulfurization and export the length of white plume.
Flue gas condenser generally can be directly generally arranged on exhaust pass to the cooling of desulfurization exiting flue gas, external cold source is logical
Crossing heat exchange reduces outlet smoke temperature, but general flue gas condenser equipment volume and weight are larger, and cost is high, in transformation project
Implement general difficult larger.
Another desulfurization exiting flue gas cool-down method is slurries cooling technology, i.e., sets on desulfuration recycle pump outlet conduit
Slurries cooler is set, by external cooling water cool slurry, and achievees the purpose that indirect cooled flue gas, slurries cooler heat exchange mould
Formula is " water-water " heat exchange, and heat exchange efficiency is high, and in same cooling condition, slurries cooler volume, weight and cost are all
It is much smaller than flue gas condenser.But slurries cooling technique there are problems that " water balance ", i.e. the process that is condensed by slurries of flue gas
In, the condensed water of generation has been directly entered desulfurization Tower System, can not individually distinguish discharge, and the water into desulfurizing tower is caused to increase
It is more.When normal desulphurization system operation, since outlet wet flue gas has taken away a large amount of moisture, in addition to some necessary process equipments are used
Water enters desulphurization system (such as mist eliminator flushing water, pump sealing water, filter cloth washing water), will also additionally to desulfurizing tower moisturizing,
To keep thionizer liquid level too low.The amount of the flue gas condensing liquid caused by the slurries cooling technique is more than normal desulfurization moisturizing
When amount, and in the necessary irreducible situation of process equipment water consumption, the hypervolia into desulphurization system will be generated,
Lead to absorption tower flooded conditions, i.e., it is so-called " water balance problem ".Slurries cooling technique always cannot be fine because of water balance problem
Solution, therefore its popularization and application is limited by very large.
Utility model content
In view of above-mentioned analysis, the utility model is intended to provide a kind of wet desulphurization white plume processing unit, by slurry
But equipment improves liquid cooling, and flue gas condensing liquid is collected separately, and avoids being directly entered desulphurization system, to solve level
Weighing apparatus problem.
The purpose of this utility model is mainly achieved through the following technical solutions:
A kind of wet desulphurization white plume processing unit, including desulfurizing tower are collected in desulfurizing tower internal upper part equipped with condensate liquid
Condensate liquid collecting box is arranged in device and condensate liquid spray thrower, desulfurizing tower outside；
Condensate liquid spray thrower is arranged above condensate collector；Condensate liquid collecting box is connect with condensate collector；
Condensate collector includes condensate liquid aggregation plate and condensate liquid catch tray；Condensate liquid is assembled plate setting and is received in condensate liquid
Catch basin upper end is equipped with the gap passed through for flue gas between condensate liquid aggregation plate and condensate liquid catch tray.
Further, condensate liquid aggregation plate is hollow inversed taper platform, and condensate liquid aggregation plate is connect with desulfurization inner wall of tower.
Further, condensate liquid catch tray is used to place the condensate liquid collected, and condensate liquid catch tray maximum gauge is less than de-
Sulphur tower internal diameter and the minimum diameter for being greater than condensate liquid aggregation plate.
Further, condensate liquid collector tray bottom is connect with condensate liquid collecting box.
It further, further include condensate circulation pump and condensate liquid cooler；
The inlet of condensate circulation pump is connect with condensate liquid collecting box, the liquid outlet and condensation liquid cooling of condensate circulation pump
But device connects；Condensate liquid cooler is connect with condensate liquid spray thrower.
Further, condensate liquid cooler is provided with inlet and outlet.
It further, further include condensate liquid demister, the upper end of condensate liquid spray thrower is arranged in condensate liquid demister.
It further, further include condensate liquid discharge pump, condensate liquid discharge pump is connect with condensate liquid collecting box.
Further, desulfurizing tower is internally provided with slurry tank and slurries spray thrower, and desulfuration recycle pump is arranged outside desulfurizing tower；
Slurry tank is arranged in desulfurization tower bottom；The inlet of desulfuration recycle pump is connect with slurry tank, and desulfuration recycle pump goes out
Liquid mouth is connect with slurries spray thrower.
Further, slurries spray thrower upper end is provided with slurries demister.
Compared with prior art, the utility model is at least able to achieve one of following technical effect:
1) condensate liquid spray thrower, condensate collector and condensate liquid collecting box collective effect, can be by flue gas condensing liquid list
It solely collects, avoids being directly entered desulphurization system, to solve the problems, such as water balance.
2) neat stress obtain condensate liquid is more pure, water quality is preferable, by simply plus base extraction after outlet
Recycling and reusing reduces desulfurization water consumption as the moisturizing of desulphurization system, saves desulfurization operation cost.
3) using condensate circulation pump and condensate liquid cooler realization flue gas condensing liquid is recycled, to neat stress into
Row cooling reduces the external water for completely using water, reduces the water post-processed, reduces cooled flue gas water consumption,
Save cooled flue gas cost.
4) condensate liquid aggregation plate and condensate liquid catch tray are setting up and down, and condensate liquid catch tray maximum gauge is less than desulfurizing tower
Internal diameter, the gap between this two layers can be used for passing through for uplink flue gas, and it is hollow inversed taper platform that condensate liquid, which assembles plate, maximum straight
Diameter side is connect with desulfurizing tower.Condensate liquid catch tray maximum gauge is greater than the minimum diameter of condensate liquid aggregation plate, can be complete by condensate liquid
Portion is collected, and is avoided condensate liquid from entering inside desulfurizing tower from the gap between condensate liquid catch tray and desulfurizing tower, is influenced water balance.
5) utility model device structure is simple, low cost, is easy to implement in transformation project.
The purpose of this utility model and other advantages can by content specifically noted in specification and attached drawing come
It is achieved and obtained.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention.
Fig. 1 wet desulphurization white plume processing unit schematic diagram.
Appended drawing reference:
1- desulfurizing tower；2- condensate collector；21- condensate liquid assembles plate；22- condensate liquid catch tray；3- condensate liquid spray
Device；4- condensate liquid collecting box；5- condensate circulation pump；6- condensate liquid cooler；7- condensate liquid discharge pump；8- condensate liquid demisting
Device；9- slurries spray thrower；10- slurries demister；11- desulfuration recycle pump；12- slurry tank；13- smoke inlet；14- flue gas goes out
Mouthful.
Specific embodiment
Specifically describe the preferred embodiment of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the utility model
A part, and be used to illustrate the principles of the present invention together with the embodiments of the present invention, be not intended to limit this reality
With novel range.
A kind of wet desulphurization white plume processing unit of the utility model, referring to Fig. 1, including desulfurizing tower 1, in desulfurizing tower
1 internal upper part adds condensate collector 2 and condensate liquid spray thrower 3, and condensate liquid collecting box 4 is arranged outside desulfurizing tower 1；Condensate liquid spray
Device 3 is drenched to be arranged above condensate collector 2；Condensate liquid collecting box 4 is connect with condensate collector 2.
Flue gas obtains neat stress in desulfurizing tower 1 after desulfurization, the cooling neat stress of the cold water that condensate liquid spray thrower 3 sprays；Only
A certain amount of condensate liquid that flue gas generates while cooled, and the cold water that condensate liquid spray thrower 3 sprays are condensed together
Collection 2 is collected, and is drained into tower condensed exterior liquid collecting box 4, and flue gas condensing liquid is collected separately, avoids being directly entered
Desulphurization system, to solve the problems, such as water balance.Neat stress obtain condensate liquid is more pure, water quality is preferable, by letter after outlet
Single plus base extraction can recycling and reusing as the moisturizing of desulphurization system reduce desulfurization water consumption, save desulfurization operation at
This.
Illustratively, condensate collector 2 includes condensate liquid aggregation plate 21 and condensate liquid catch tray 22；Condensate liquid assembles plate
Gap of 21 settings between 22 upper end of condensate liquid catch tray, condensate liquid aggregation plate 21 and condensate liquid catch tray 22 is for passing through cigarette
Gas.It is hollow inversed taper platform that condensate liquid, which assembles plate 21, and condensate liquid aggregation 21 maximum gauge side of plate is connect with desulfurizing tower 1；Condensate liquid is received
Catch basin 22 is used to place the condensate liquid collected, and 22 maximum gauge of condensate liquid catch tray is less than 1 internal diameter of desulfurizing tower, logical convenient for flue gas
It crosses, greater than the minimum diameter of condensate liquid aggregation plate 21, convenient for collecting the condensate liquid of aggregation.22 bottom of condensate liquid catch tray be equipped with
The pipeline that condensate liquid collecting box 4 connects.
Obtained condensate liquid is cooled down in order to recycle neat stress, the water consumption of cooled flue gas is reduced, saves and completely use water,
The water post-processed is reduced, cooled flue gas cost is saved, setting condensate circulation pumps 5 and condensate liquid cooler 6；It is cold
5 inlet of lime set circulating pump is connect with condensate liquid collecting box 4, and condensate circulation pumps 5 liquid outlets and condensate liquid cooler 6 connects；
Condensate liquid cooler 6 is connected with condensate liquid spray thrower 3.Condensate liquid cooler 6 is provided with inlet and outlet, and condensate liquid is received
Condensate liquid in the header 4 liquid circulating pump 5 that is condensed squeezes into condensate liquid cooler 6, and condensation is cooled down by externally supplying cooling water
Liquid temperature, condensate liquid after cooling enter that condensate liquid spray thrower 3 is distributed in neat stress and neat stress comes into full contact with, cooling net
Flue gas.
It is initially present a part of clean cold water in condensate liquid collecting box 4, is used to carry out neat stress when device initial launch
It is cooling, wait run condensate liquid that a period of time is collected into it is enough when, it is subsequent to keep the skin wet again to condensate liquid collecting box 4, follow
The all condensate liquids of ring cooling water.
Preferably, condensate liquid demister 8 is set in 3 upper end of condensate liquid spray thrower, further removes neat stress after cooling
In drop, keep the flue gas water content of discharge less, further shorten white plume length.
Condensate liquid in view of the continuous service with wet desulphurization white plume processing unit, in condensate liquid collecting box 4
It is increasing, in order to prevent liquid full in condensate liquid collecting box 4, can not continue to collect condensate liquid, condensate liquid discharge pump is set
7, condensate liquid discharge pump 7 is connect with condensate liquid collecting box 4.Water quality is preferable in condensate liquid collecting box 4, only pH value it is lower (about 3~
4), after outlet by simply plus base extraction can reuse, can be used as the moisturizing of desulphurization system.
In order to carry out desulfurization to former flue gas, desulfurizing tower 1 is internally provided with slurry tank 12 and slurries spray thrower 9, outside desulfurizing tower 1
Desulfuration recycle pump 11 is arranged in portion；Slurry tank 12 is arranged in 1 bottom of desulfurizing tower, for placing desulfurization slurries；Desulfuration recycle pump 11
Inlet is connect with slurry tank 12, and 11 liquid outlet of desulfuration recycle pump is connect with slurries spray thrower 9.Former flue gas from smoke inlet 13 into
Enter desulfurizing tower 1, the slurries in slurry tank 12 are squeezed into slurries spray thrower 9 by 1 circulating pump of desulfurizing tower, and slurries spray thrower 9 sprays slurries
It is come into full contact with former flue gas, realizes the desulfurization to former flue gas.
Further, slurries demister 10 is set in 9 upper end of slurries spray thrower, the flue gas after progress desulfurization process is carried out
Preliminary water removal.
Embodiment 1:
The former exhaust gas volumn 1000000Nm of 1 smoke inlet of desulfurizing tower 133/ h, is sprayed by loop slurry by 125 DEG C of flue-gas temperature
Neat stress is obtained after 9 desulfurization of device and slurries demister 10, neat stress temperature is 50 DEG C, and neat stress flows up again, passes through condensation
Condensate liquid under collection 2 and condensate liquid spray thrower 3 spray comes into full contact with, and flue-gas temperature passes through again after being reduced to 45 DEG C
Condensate liquid demister 8 is discharged after removing the drop carried from the exhanst gas outlet 14 at 1 top of desulfurizing tower.
Condensate circulation pumps 5 rate of discharge 3000m3/ h, 47.6 DEG C of outlet temperature, the temperature after subcooling condensate cooler 6
43 DEG C are reduced to, condenser cooling water flow 1400m3/ h, 25 DEG C of cooling water feed temperature, 35 DEG C of return water temperature, neat stress exists
Condensate liquid 25t/h is generated in cooling procedure, and the condensation flow quantity of tower condensed exterior liquid collecting box 4 is entered by condensate collector 2
For 3025t/h, the flow of condensate liquid discharge pump 7 is 25t/h.
4 collective effect of condensate liquid spray thrower 3, condensate collector 2 and condensate liquid collecting box, can be by flue gas condensing liquid list
It solely collects, avoids being directly entered desulphurization system, to solve the problems, such as water balance；Neat stress obtain condensate liquid is more pure
Only, water quality is preferable, after outlet by simply plus base extraction can recycling and reusing reduce as the moisturizing of desulphurization system
Desulfurization water consumption saves desulfurization operation cost；It is realized using condensate circulation pump 5 and condensate liquid cooler 6 to flue gas condensing liquid
Recycle, neat stress is cooled down, the external water for completely using water is reduced, reduces the water post-processed
Amount reduces cooled flue gas water consumption, saves cooled flue gas cost；Utility model device structure is simple, low cost, in transformation item
It is easy to implement on mesh.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. a kind of wet desulphurization white plume processing unit, including desulfurizing tower (1), which is characterized in that in the desulfurizing tower (1)
Top is equipped with condensate collector (2) and condensate liquid spray thrower (3), and condensate liquid collecting box (4) is arranged in desulfurizing tower (1) outside；
Condensate liquid spray thrower (3) setting is above the condensate collector (2)；The condensate liquid collecting box (4) and institute
State condensate collector (2) connection；
The condensate collector (2) includes condensate liquid aggregation plate (21) and condensate liquid catch tray (22)；Condensate liquid assembles plate
(21) setting is in condensate liquid catch tray (22) upper end, and condensate liquid assembles plate (21) and condensate liquid catch tray (22) is equipped with and is used for cigarette
The gap that gas passes through.
2. wet desulphurization white plume processing unit according to claim 1, which is characterized in that the condensate liquid assembles plate
It (21) is hollow inversed taper platform, condensate liquid aggregation plate is connect with desulfurizing tower (1) inner wall.
3. wet desulphurization white plume processing unit according to claim 1, which is characterized in that the condensate liquid catch tray
(22) for placing the condensate liquid collected, condensate liquid catch tray (22) maximum gauge is less than desulfurizing tower (1) internal diameter and is greater than condensation
Liquid assembles the minimum diameter of plate (21).
4. wet desulphurization white plume processing unit according to claim 1, which is characterized in that the condensate liquid catch tray
(22) bottom is connect with condensate liquid collecting box (4).
5. wet desulphurization white plume processing unit according to claim 1, which is characterized in that further include condensate circulation
Pump (5) and condensate liquid cooler (6)；
The inlet of the condensate circulation pump (5) is connect with condensate liquid collecting box (4), and condensate circulation pumps the liquid outlet of (5)
It is connect with condensate liquid cooler (6)；The condensate liquid cooler (6) connect with the condensate liquid spray thrower (3).
6. wet desulphurization white plume processing unit according to claim 5, which is characterized in that the condensate liquid cooler
(6) inlet and outlet are provided with.
7. wet desulphurization white plume processing unit according to claim 1-6, which is characterized in that further include cold
Lime set demister (8), the condensate liquid demister (8) are arranged in the upper end of the condensate liquid spray thrower (3).
8. wet desulphurization white plume processing unit according to claim 1-6, which is characterized in that further include cold
Lime set discharge pump (7), the condensate liquid discharge pump (7) connect with condensate liquid collecting box (4).
9. wet desulphurization white plume processing unit according to claim 1-6, which is characterized in that the desulfurization
Tower (1) is internally provided with slurry tank (12) and slurries spray thrower (9), and desulfuration recycle pump (11) are arranged outside desulfurizing tower (1)；
The slurry tank (12) is arranged in desulfurizing tower (1) bottom；The inlet of the desulfuration recycle pump (11) and slurry tank (12)
Connection, the liquid outlet of desulfuration recycle pump (11) are connect with slurries spray thrower (9).
10. wet desulphurization white plume processing unit according to claim 9, which is characterized in that the slurries spray thrower
(9) upper end is provided with slurries demister (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247569.6U CN209696660U (en) | 2019-02-26 | 2019-02-26 | A kind of wet desulphurization white plume processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247569.6U CN209696660U (en) | 2019-02-26 | 2019-02-26 | A kind of wet desulphurization white plume processing unit |
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| CN209696660U true CN209696660U (en) | 2019-11-29 |
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| CN201920247569.6U Active CN209696660U (en) | 2019-02-26 | 2019-02-26 | A kind of wet desulphurization white plume processing unit |
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| CN (1) | CN209696660U (en) |
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2019
- 2019-02-26 CN CN201920247569.6U patent/CN209696660U/en active Active
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