CN205699958U - Purification dust removal system - Google Patents
Purification dust removal system Download PDFInfo
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- CN205699958U CN205699958U CN201620311045.5U CN201620311045U CN205699958U CN 205699958 U CN205699958 U CN 205699958U CN 201620311045 U CN201620311045 U CN 201620311045U CN 205699958 U CN205699958 U CN 205699958U
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- dust removal
- removal system
- sea water
- purification dust
- housing
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- 239000000428 dust Substances 0.000 title claims abstract description 64
- 238000000746 purification Methods 0.000 title claims abstract description 27
- 239000013535 sea water Substances 0.000 claims abstract description 72
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 39
- 230000023556 desulfurization Effects 0.000 claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 26
- 238000012856 packing Methods 0.000 claims description 23
- 238000005507 spraying Methods 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 14
- 238000005273 aeration Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 230000005520 electrodynamics Effects 0.000 claims description 5
- 238000010410 dusting Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 abstract description 10
- 239000010440 gypsum Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 239000007921 spray Substances 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012717 electrostatic precipitator Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of purification dust removal system, described purification dust removal system includes desulfurizer and for purifying the wet static dedusting device (1) of the flue gas after described desulfurizer processes, and wherein said desulfurizer is seawater desulfurization device (2).The purification dust removal system that this utility model provides will not produce gypsum particle, the dust concentration of wet cottrell porch is relatively low, significantly reduce the dedusting pressure of wet cottrell, and wet cottrell internal anode plate can be reduced harden, block and the generation of the problem such as abrasion, such that it is able to be effectively improved efficiency of dust collection.
Description
Technical field
This utility model relates to flue-gas dust removal and purification field, in particular it relates to the purification dust removal system of a kind of fume treatment.
Background technology
In order to ensure that the concentration of dust emission meets existing National Environmental standard (" fossil-fuel power plant atmospheric pollutant emission standard
GB13223-2011 "), even meet higher environmental protection index requirement, existing coal-burning power plant generally use electrostatic precipitator or
Dust in flue gas is controlled by person's sack cleaner.Sack cleaner and electrostatic precipitator are respectively provided with the highest dedusting effect
Rate, but the operation stability of sack cleaner is poor, and maintenance cost is higher, and its body resistance can be significantly greatly increased whole cigarette
The burden of gas system, affects type selecting and the overall operation cost of air-introduced machine.Electrostatic precipitation is the DC high voltage by tens thousand of volts
Formed highfield gas is ionized, dusty gas through high-voltage electrostatic field, grit with ionization formation positive and negative ion
Collide and charged, and under the effect of Coulomb force, high-voltage electrostatic field, move to cathode and anode respectively, so that grit is gathered in
Dedusting is realized on anode and cathode surface.Electrostatic precipitation can be divided into dry type static dust and wet static dedusting according to purge mode.
Dry type static dust refers to the dust trapping in flue gas in the dry state, and the dust being deposited on dust collection plate shakes by machinery
Beat, the mode deashing such as electromagnetic rapping, but this electrostatic precipitator also exists the problem of reentrainment of dust and inverse corona, and can not
Adapting to various coal widely, the exhaust gas dust efficiency of dust collection that contrast resistance is higher is relatively low.Wet static dedusting is to use water spray
Drench overflow or form water membrane by suitable method on dust collector pole surface, making the dust being deposited on cleaner unit flow together with water
Bottom to cleaner unit is discharged, and can protect the sulfuric acid droplets that dust collector pole (generally positive plate) is not condensed out in flue gas
Corrosion.Use this dedusting method can avoid the problem of reentrainment of dust and inverse corona, and various flue gas can be applicable to
Dust removal process.
In the prior art, wet cottrell is generally disposed at coal-burning power plant's wet limestone-gypsum FGD device
Afterwards, before chimney.Wet limestone-gypsum FGD is the sulfur removal technology that technology is the most ripe the most in the world, applies this work
The unit capacity of skill accounts for more than the 85% of power station desulfurization installation total capacity, and the coal and the unit that are applicable to any sulfur content hold
The flue gas desulfurization of amount, desulfuration efficiency can reach 99%.But, find in actual production, wet limestone-gypsum FGD
The dust pelletizing system that device and wet cottrell are constituted, can cause the efficiency of dust collection of wet cottrell not reach design mark
Standard, thus cause the efficiency of dust collection of whole dust pelletizing system to reduce.
Utility model content
The purpose of this utility model is to provide a kind of purification dust removal system, can be effectively improved efficiency of dust collection.
To achieve these goals, this utility model provides a kind of purification dust removal system, described purification dust removal system bag
Include desulfurizer and for purifying the wet static dedusting device of the flue gas after described desulfurizer processes, wherein said desulfurization
Device is seawater desulfurization device.
Preferably, described seawater desulfurization device include housing, the slurry pool being positioned at the bottom of described housing, be arranged on described
Air inlet, setting on housing on the housing and are positioned at the gas outlet above described air inlet, are arranged on described housing
In and packing layer between described air inlet and described gas outlet, be arranged on described housing in and for described filler
The spraying layer of layer sprayed sea water.
Preferably, the liquid outlet of described slurry pool is connected with restoring sea water system, and described restoring sea water system includes institute
State Aeration tank that the mixing pit that mixes with ordinary sea water of desulfurization sea water that slurry pool discharges is connected with described mixing pit and for holding
The blowoff basin of the sea water received after described Aeration tank processes.
Preferably, there is countercurrent reaction space between described spraying layer and described packing layer.
Preferably, described spraying layer is positioned at the lower section of described gas outlet.
Preferably, it is additionally provided with demister between described spraying layer and described gas outlet.
Preferably, described demister is provided with the spraying-cleaning device for cleaning described demister.
Preferably, described spraying-cleaning device is additionally provided with and is turned on or off for controlling described spraying-cleaning device
Electrodynamic valve or pneumatic operated valve.
Preferably, the inwall of described housing is provided with corrosion-proof lining layer.
Preferably, described purification dust removal system also includes for carrying out the dusty gas entering described seawater desulfurization device
The pre-dedusting device of rough dusting.
Compared with prior art, the purification dust removal system that this utility model provides takes off by desulfurizer is set to sea water
Sulfur device, can be to the SO contained in flue gas by seawater desulfurization device2The dust carried out in efficient removal, and flue gas also can
By partial removal, the flue gas processed through seawater desulfurization device subsequently enters wet cottrell, and the dust in flue gas is especially
Be fine particle in wet cottrell by efficient removal.Owing to will not produce gypsum particle in system, and wet type is quiet
The dust concentration of electric cleaner porch is relatively low, significantly reduces the dedusting pressure of wet cottrell, and can reduce
Wet cottrell internal anode plate hardens, block and the generation of the problem such as abrasion, such that it is able to be effectively improved dedusting effect
Rate.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following
Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of embodiment of the purification dust removal system that this utility model provides;
Description of reference numerals
1 wet static dedusting device 2 seawater desulfurization device
21 housing 22 slurry pools
23 air inlet 24 gas outlets
25 packing layer 26 spraying layers
27 countercurrent reaction space 28 demisters
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, left and right " is usual
Refer to what the purification dust removal system that this utility model provides defined under normal usage, and upper and lower with shown in accompanying drawing 1
Left and right directions is consistent." inside and outside " refers to inside and outside relative to the profile of each parts own.
These nouns of locality above-mentioned use for the ease of understanding, thus do not constitute this utility model protection domain
Limit.
For technical problem present in prior art, it has been investigated that cause wet cottrell efficiency of dust collection low
Reason is, after flue gas passes through wet limestone-gypsum FGD device desulfurization, to carry substantial amounts of gypsum particle, substantial amounts of Gypsum Fibrosum
Grain entrance wet cottrell, is easily caused wet cottrell internal anode plate and hardens, blocks and the problem such as abrasion, from
And cause the efficiency of dust collection of dust pelletizing system to reduce.
Therefore, the utility model proposes technical scheme based on above-mentioned theory, to solve to ask present in prior art
Topic.The most shown in Figure 1, the purification dust removal system of the basic embodiment that this utility model provides can include desulfurizer
With the wet static dedusting device 1 for purifying the flue gas after described desulfurizer processes, described desulfurizer is that sea water takes off
Sulfur device 2.
In the above-described embodiment, by desulfurizer is set to seawater desulfurization device, it is possible to achieve high-efficiency desulfurization, and
It is capable of the pretreatment of dust, after wet static dedusting device is arranged on seawater desulfurization device 2, efficient removal can be played
The effect of exhaust gas dust.Simultaneously by using seawater desulfurization device to replace wet limestone-gypsum FGD device, not only can protect
The dust removing effects of card wet static dedusting device 1, decreases the discharge of particulate matter, and whole purification dust removal system is not had
Gypsum Fibrosum discharges, and decreases the gypsum rain phenomenon that coal-burning power plant is widely present.
In this utility model, described wet static dedusting device 1 can use existing wet static dedusting device.Institute
State seawater desulfurization device 2 and can also use existing suitable seawater desulfurization device.
In preferred implementation of the present utility model, described seawater desulfurization device 2 includes housing 21, is positioned at described housing
The slurry pool 22 of the bottom of 21, the air inlet 23 being arranged on described housing 21, it is arranged on described housing 21 and is positioned at institute
State the gas outlet 24 above air inlet 23, be arranged on described housing 21 in and be positioned at described air inlet 23 and described gas outlet 24
Between packing layer 25, be arranged on described housing 21 in and for the spraying layer 26 to described packing layer 25 sprayed sea water.That is, institute
Stating slurry pool 22 and be positioned at the bottom of described housing 21 inner chamber, described air inlet 23 and gas outlet 24 are opened in the sidewall of housing 21
On, packing layer 25 is positioned at the top of air inlet 23, and spraying layer 26 is positioned at the top of packing layer 25.
Above-mentioned seawater desulfurization device 2 in use, the flue gas after cooling after described air inlet 23 enters in housing 21,
Inner chamber along housing 21 flows up, simultaneously the downward sprayed sea water of spraying layer 26 (or sea water and the mixing of sodium hydroxide
Thing), make described packing layer 25 by sea water moistening and protect a certain amount of sea water, form moisture film, flue gas flows up rear and keeps
The packing layer 25 having sea water contacts, collides, the sulfur dioxide in flue gas and a small amount of dust granule to be removed, after desulfurization processes
Flue gas is discharged from described gas outlet 24 after packing layer 25, then enters Wet type electric dust-removing device by pipeline and carries out dedusting,
Sea water after desulfurization flows down entrance from packing layer 25 and is positioned at the slurry pool 22 bottom housing 21.
Wherein being filled with block or granular filler in packing layer 25, described filler can be polypropylene or polyphenyl second
Alkene regular particle filler, it would however also be possible to employ regular ceramic packing.Although in the present embodiment as a example by one layer of packing layer 25
Illustrate, but do not limit this utility model with this, in other embodiments, packing layer 25 could be arranged to two-layer or
More layers.Sea water is evenly distributed to the surface of filler by spraying layer 26, when flue gas is through packing layer 25, and the dioxy in flue gas
Change sulfur and generated sulfite ion and hydrion by Absorption by Sea Water, thus cause the pH value of sea water to decline, become acid sea water and enter
Enter in slurry pool 22.
In order to the acid sea water in slurry pool 22 is processed so that it is can be harmless enter is marine, new in this practicality
In one embodiment of type, the liquid outlet of described slurry pool 22 is connected with restoring sea water system, described restoring sea water system bag
Include mixing pit and described mixing pit company that the desulfurization sea water (acid sea water) discharged by described slurry pool 22 mixes with ordinary sea water
The Aeration tank that connects and for accommodating the blowoff basin of the sea water after described Aeration tank processes.Acid sea water in slurry pool 22 relies on
Gravity flows in mixing pit, and in mixing pit, (alkaline seawater can use from the common sea at condenser with ordinary sea water
Water, or the sea water from siphonic water-collecting well can be used) after mixing so that it is left back, so that the pH value of mixed sea water is raised to 5
After make mixed sea water enter Aeration tank, in Aeration tank, Aeration fan by air by the air distribution of Aeration tank lower curtate
Pipe and nozzle blast Aeration tank, and bubble in small, broken bits makes Aeration tank maritime interior waters dissolved oxygen reach saturated, and are become by sulfite oxidation
Sulfate, makes in sea water in bicarbonate ion by aeration and hydrion discharge carbon dioxide simultaneously, makes seawater discharge
Recover up to standard, then drain into blowoff basin, enter sea by blowoff basin through gutter.
Further, in order to reach more preferable desulfurization and dedusting effect, in preferred implementation of the present utility model, such as figure
Shown in 1, between described spraying layer 26 and described packing layer 25, there is countercurrent reaction space 27.Flue gas and spray through packing layer 25
Drench the sea water counter current contacting under layer 26 spray, thus remove in flue gas further and there may be a small amount of sulfur dioxide and dust granules,
Sea water under spraying layer 26 spray simultaneously may also operate as supplementing the effect of sea water to packing layer 25.Described spraying layer 26 includes pipeline
With the spray apertures being opened on pipeline, described shower preferably employs stainless steel pipes, and described spray apertures can use nozzle to replace
Changing, to improve the uniformity that sea water sprays further, described nozzle is preferably used rustless steel and adds ceramic-lined formula swirl nozzle.?
In present embodiment, described spraying layer 26 is one layer, but this utility model is not in this, as restriction, at other embodiments
In, described spraying layer 26, it can also be provided that two-layer or more layers, forms more countercurrent reaction space, different to adapt to
Duty requirements.
Further, described spraying layer 26 is positioned at the lower section of described gas outlet 24, to make full use of described spraying layer 26 He
The countercurrent reaction space 27 formed between described packing layer 25 so that flue gas is before discharging from gas outlet 24, all by adverse current
Reaction compartment 27 maritime interior waters carries out desulfurization and dedusting process.
In order to the water droplet that will carry in the flue gas after desulfurization or water smoke remove, it is preferable that at described spraying layer 26 and described
Demister 28 it is additionally provided with between gas outlet 24.Described demister 28 can select existing various suitable demister, except mist
Device 28 can be venetian blind type or grating type, can be made by polypropylene material.Further, in order to avoid demister 28
Fouling, is provided with the spraying-cleaning device for cleaning described demister 28 on described demister 28.Described spraying-rinsing fills
Put and can include the water pipe that booster water pump is connected with booster water pump and the nozzle being arranged on water pipe, will be dry by booster water pump
Clean water under high pressure (such as industry water) is delivered to nozzle, thus is sprayed on demister 28 by water by nozzle, described except mist to clean
Device 28.
In order to control described spraying-cleaning device easily, it is further preferred that also set up on described spraying-cleaning device
Have for controlling electrodynamic valve or the pneumatic operated valve that described spraying-cleaning device is turned on or off, described electrodynamic valve or pneumatic operated valve
Can be arranged on water pipe, it is possible to by PLC, electrodynamic valve or pneumatic operated valve are controlled, to realize the interruption of demister 28
Clean.
In this utility model, in order to improve the service life of seawater desulfurization device 2, it is preferable that described housing 21 interior
Being provided with corrosion-proof lining layer on wall, described corrosion-proof lining layer can use various suitable anti-corrosion material to make, this embodiment party
In formula, described corrosion-proof lining layer is glass resin flake.
In this utility model, by using seawater desulfurization device 2, can provide using sea water as absorbent, fresh-water-saving
Source, and absorbed Sulphur Dioxide becomes the natural constituents sulfate in sea water, there is not the problems such as offal treatment;No
The problem that there is fouling and clogging;Especially for the power plant using sea water to cool down, can directly condenser downstream recirculated water be drawn
Entering desulfurizer, need not build water intake facilities specially, construction investment is substantially reduced.
Further, in order to reach more preferable dust removing effects, it is preferable that also set up before described seawater desulfurization device 2
Have a pre-dedusting device that dusty gas is carried out rough dusting, the gas outlet of the most described pre-dedusting device be positioned at shown in Fig. 1
Air inlet 23 on the left of seawater desulfurization device 2 connects, and wherein pre-dedusting device can use dry electrostatic cleaner.When pre-dedusting
When the temperature of the gas outlet of device is higher, it is also possible to arrange precooler after pre-dedusting device, to drop to be suitable for by flue-gas temperature
The temperature of seawater desulfurization device.
The purification dust removal system that this utility model provides has the following advantages and effect:
1. utilize seawater desulfurization device to replace conventional limestone-gypsum desulfurizer, while ensureing desulfuration efficiency,
Its flue gas discharged does not contains Gypsum Fibrosum, and sea water desulfuration has good removal effect to the dust in flue gas, after alleviating
Put the pressure of wet cottrell;
2. the dust of remaining low concentration efficiently can be taken off on the basis of preposition sea water desulfuration by wet cottrell
Removing, the wet cottrell in system can be low and design without Gypsum Fibrosum according to Inlet dust concentration.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit
Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to respectively
Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a purification dust removal system, described purification dust removal system includes desulfurizer and for purifying at described desulfurizer
The wet static dedusting device (1) of the flue gas after reason, it is characterised in that described desulfurizer is seawater desulfurization device (2), described
Seawater desulfurization device (2) includes housing (21), the slurry pool (22) being positioned at the bottom of described housing (21), is arranged on described housing
(21) air inlet (23) on, to be arranged on described housing (21) upper and be positioned at the gas outlet of described air inlet (23) top
(24), it is arranged in described housing (21) and is positioned at the packing layer between described air inlet (23) and described gas outlet (24)
(25) in, being arranged on described housing (21) and for the spraying layer (26) of described packing layer (25) sprayed sea water, described serosity
The liquid outlet in pond (22) is connected with restoring sea water system, and described restoring sea water system includes that is discharged by described slurry pool (22) takes off
Aeration tank that the mixing pit that sulfur sea water mixes with ordinary sea water is connected with described mixing pit and for accommodating at described Aeration tank
The blowoff basin of the sea water after reason.
Purification dust removal system the most according to claim 1, it is characterised in that described spraying layer (26) and described packing layer
(25) there is between countercurrent reaction space (27).
Purification dust removal system the most according to claim 2, it is characterised in that described spraying layer (26) is positioned at described gas outlet
(24) lower section.
Purification dust removal system the most according to claim 3, it is characterised in that described spraying layer (26) and described gas outlet
(24) demister (28) it is additionally provided with between.
Purification dust removal system the most according to claim 4, it is characterised in that described demister is provided with for clearly on (28)
Wash the spraying-cleaning device of described demister (28).
Purification dust removal system the most according to claim 5, it is characterised in that be additionally provided with on described spraying-cleaning device
For controlling electrodynamic valve or the pneumatic operated valve that described spraying-cleaning device is turned on or off.
Purification dust removal system the most according to claim 1, it is characterised in that be provided with anti-on the inwall of described housing (21)
Rotten inner liner.
Purification dust removal system the most according to claim 1, it is characterised in that described purification dust removal system also includes for right
The dusty gas entering described seawater desulfurization device (2) carries out the pre-dedusting device of rough dusting.
Priority Applications (1)
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CN201620311045.5U CN205699958U (en) | 2016-04-14 | 2016-04-14 | Purification dust removal system |
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CN201620311045.5U CN205699958U (en) | 2016-04-14 | 2016-04-14 | Purification dust removal system |
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CN205699958U true CN205699958U (en) | 2016-11-23 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107913577A (en) * | 2017-11-21 | 2018-04-17 | 江苏民生重工有限公司 | A kind of energy-efficient Deuslfurizing system for sea water |
CN114146546A (en) * | 2021-12-15 | 2022-03-08 | 中钢集团天澄环保科技股份有限公司 | High-efficient wet flue gas desulfurization is dust removal processing apparatus in coordination |
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2016
- 2016-04-14 CN CN201620311045.5U patent/CN205699958U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107913577A (en) * | 2017-11-21 | 2018-04-17 | 江苏民生重工有限公司 | A kind of energy-efficient Deuslfurizing system for sea water |
CN114146546A (en) * | 2021-12-15 | 2022-03-08 | 中钢集团天澄环保科技股份有限公司 | High-efficient wet flue gas desulfurization is dust removal processing apparatus in coordination |
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