CN205598933U - A sulfur trioxide removing device for behind wet flue gas desulfurization - Google Patents
A sulfur trioxide removing device for behind wet flue gas desulfurization Download PDFInfo
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- CN205598933U CN205598933U CN201620125769.0U CN201620125769U CN205598933U CN 205598933 U CN205598933 U CN 205598933U CN 201620125769 U CN201620125769 U CN 201620125769U CN 205598933 U CN205598933 U CN 205598933U
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- demister
- higher level
- subordinate
- defroster
- sulfur trioxide
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Abstract
The utility model discloses a sulfur trioxide removing device for behind wet flue gas desulfurization, including higher level's defroster (1), subordinate's defroster (2) and venturi defroster (3) of setting between higher level's defroster (1) and subordinate's defroster (2), venturi defroster (3) are equipped with gas pocket (6) including disc (4) and a straight section of thick bamboo (5) on disc (4), and the position that straight tin (5) correspond gas pocket (6) sets up on disc (4), and the junction of a straight section of thick bamboo (5) and disc (4) is equipped with liquid suction port (7). The utility model discloses a higher level's defroster, subordinate's defroster and venturi defroster atomize, condense the flue gas through the wet flue gas desulfurization after and handle with the defogging, sulfur trioxide in the further desorption flue gas, and the simple structure of device, investment cost is low, and purification efficiency is high, and purifying effect is showing, has to carry out the value popularized and applied in power plant or other mills that uses coal fired boiler.
Description
Technical field
This utility model relates to a kind of sulfur trioxide removing means, a kind of sulfur trioxide removing dress after wet desulphurization
Put, belong to the removing sulfuldioxide field of sulfur trioxide in fire coal boiler fume.
Background technology
In recent years, the requirement to Thermal generation unit Air Pollutant Emission concentration of the response national environmental protection department, Ge great coal-burning power plant
Or the factory of other application coal-burning boilers, corresponding measure has all been formulated in the purification to flue gas.For sulfur dioxide, the most right
FGD desulfurizer improves, and uses increase current-sharing to carry effect plate, improve liquid-gas ratio, increase desulfurization synergistic ring and sulfur-removing additives
Etc. mode, it is achieved desulfurization puies forward effect；For nitrogen oxides, set up newly by implementing the transformation of boiler low nitrogen burning and SCR denitration device
The technical measures such as type catalyst, it is achieved denitration puies forward effect；For flue dust, the technology such as wet-esp are used to realize efficient removal, can
Effectively collect fine particle, such as PM2.5 dust, SO3Acid mist and aerosol etc..
Wet desulphurization is to use now to obtain most common flue gas purifying method, and flue gas is purified by existing wet desulphurization equipment
After, flue gas still suffers from part SO3.Work as SO3After cooling, it is presented in sulphuric acid, easily cause flue, cleaning equipment and
The low-temperature-acid-corrosion of chimney, therefore to SO in flue gas3Removing increasingly come into one's own.Need now one badly and can apply to wet method
To SO after desulfurization3Carry out removing, and reduced investment, cleaning equipment that efficiency is high.
Utility model content
The purpose of this utility model is, it is provided that a kind of sulfur trioxide removing means after wet desulphurization, it is removed by higher level
Day with fog, subordinate's demister and venturi demister, further purified the flue gas after wet desulphurization, through mist
Change, condense and remove mist process after, remove SO therein3, this apparatus structure is simple, low cost, and purification efficiency is high, purifies effect
Fruit is notable.
The technical solution of the utility model: a kind of sulfur trioxide removing means after wet desulphurization, including higher level's demister,
Subordinate's demister and the venturi demister being arranged between higher level's demister and subordinate's demister, venturi demister includes disk
And straight tube, disk is provided with pore, and the position of straight tube correspondence pore is arranged on disk, and straight tube is provided with suction with the junction of disk
Liquid mouth.Subordinate's demister can remove granule bigger in flue gas, and flue gas passes through pore and straight tube, the alkali simultaneously of venturi demister
Property cleaning mixture in liquid sucting port enters into straight tube, experience atomization, condense and remove mist process, the SO in flue gas3It is removed, higher level
Demister can remove the droplet in flue gas further, promotes clean-up effect；The quantity of pore is depending on practical situation.
In aforesaid this sulfur trioxide removing means after wet desulphurization, straight tube is arranged on the side of disk, and straight tube is close
Higher level's demister, disk is near subordinate's demister.Straight tube is arranged on the side of disk, constitutes venturi tube structure, possesses except mist
Purification function, simple in construction；The design of straight tube and pore makes flue gas be uniformly distributed, and promotes degree of purification.
In aforesaid this sulfur trioxide removing means after wet desulphurization, higher level's demister and subordinate's demister are ridge
Formula, board-like or tubular demister.The upper and lower level demister of multi-form can be selected according to cost of investment.
In aforesaid this sulfur trioxide removing means after wet desulphurization, the cross sectional shape of straight tube is circular or square.Can
According to practical situation select straight tube cross sectional shape, circular, square or the two be used in mixed way.
In aforesaid this sulfur trioxide removing means after wet desulphurization, below subordinate's demister, it is additionally provided with desulfurization spray
Layer.By the effect of desulfurization spraying layer, remove the SO in flue gas2, the clean-up effect making flue gas is more preferable.
In aforesaid this sulfur trioxide removing means after wet desulphurization, the quantity of higher level's demister is 2 layers.Arrange 2
Layer higher level's demister, except fog effect is more notable.
Compared with prior art, this utility model is by higher level's demister, civilian mound between subordinate's demister and this two-stage demister
In demister, the flue gas after wet desulphurization processes is atomized, condenses and remove mist, removes further three oxygen in flue gas
Changing sulfur, preferably complete the purification to flue gas, the simple in construction of this device, cost of investment is low, and floor space is little, and gas is distributed
Uniformly, purification efficiency is high, and clean-up effect is notable, is suitable to carry out popularization and application in places such as the factories applying coal-burning boiler.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of disk.
Being labeled as in accompanying drawing: 1-higher level's demister, 2-subordinate demister, 3-venturi demister, 4-disk, 5-straight tube,
6-pore, 7-liquid sucting port, 8-desulfurization spraying layer.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment 1 of the present utility model: a kind of sulfur trioxide removing means after wet desulphurization, including higher level's demister
1, subordinate's demister 2 and the venturi demister 3 that is arranged between higher level's demister 1 and subordinate's demister 2, venturi removes
Day with fog 3 includes disk 4 and straight tube 5, and disk 4 is provided with pore 6, and the position of the corresponding pore 6 of straight tube 5 is arranged on disk 4
On, straight tube 5 is provided with liquid sucting port 7 with the junction of disk 4.The cleaning mixture flowed out by liquid sucting port 7 uses NaOH or Na2CO3Deng
Alkaline solution, by the SO of cohesion3Absorption, forms sulfate, thus realizes removing SO3Purpose.
Wherein, straight tube 5 is arranged on the side of disk 4, and straight tube 5 is near higher level's demister 1, and disk 4 is near subordinate's demister
2。
Higher level's demister 1 and subordinate's demister 2 are ridge type demister.The cross sectional shape of straight tube 5 is circular.
Further, it is additionally provided with desulfurization spraying layer 8 below subordinate's demister 2.
It addition, the quantity of higher level's demister 1 is 2 layers.
Embodiment 2 of the present utility model: a kind of sulfur trioxide removing means after wet desulphurization, including higher level's demister
1, subordinate's demister 2 and the venturi demister 3 that is arranged between higher level's demister 1 and subordinate's demister 2, venturi removes
Day with fog 3 includes disk 4 and straight tube 5, and disk 4 is provided with pore 6, and the position of the corresponding pore 6 of straight tube 5 is arranged on disk 4
On, straight tube 5 is provided with liquid sucting port 7 with the junction of disk 4.The cleaning mixture flowed out by liquid sucting port 7 uses NaOH or Na2CO3Deng
Alkaline solution, by the SO of cohesion3Absorption, forms sulfate, thus realizes removing SO3Purpose.
Wherein, straight tube 5 is arranged on the side of disk 4, and straight tube 5 is near higher level's demister 1, and disk 4 is near subordinate's demister
2。
Higher level's demister 1 and subordinate's demister 2 are ridge type demister.The cross sectional shape of straight tube 5 is square.
Further, it is additionally provided with desulfurization spraying layer 8 below subordinate's demister 2.
It addition, the quantity of higher level's demister 1 is 2 layers.
Embodiment 3 of the present utility model: a kind of sulfur trioxide removing means after wet desulphurization, including higher level's demister
1, subordinate's demister 2 and the venturi demister 3 that is arranged between higher level's demister 1 and subordinate's demister 2, venturi removes
Day with fog 3 includes disk 4 and straight tube 5, and disk 4 is provided with pore 6, and the position of the corresponding pore 6 of straight tube 5 is arranged on disk 4
On, straight tube 5 is provided with liquid sucting port 7 with the junction of disk 4.The cleaning mixture flowed out by liquid sucting port 7 uses NaOH or Na2CO3Deng
Alkaline solution, by the SO of cohesion3Absorption, forms sulfate, thus realizes removing SO3Purpose.
Wherein, straight tube 5 is arranged on the side of disk 4, and straight tube 5 is near higher level's demister 1, and disk 4 is near subordinate's demister
2。
Higher level's demister 1 and subordinate's demister 2 are ridge type demister.The cross sectional shape of straight tube 5 is circular.
Further, it is additionally provided with desulfurization spraying layer 8 below subordinate's demister 2.
Using method of the present utility model: be arranged between the gas approach of desulfurizing tower and exhaust pass by this device, higher level removes mist
Device 1 is positioned at above subordinate's demister 2.Flue gas sequentially passes through subordinate's demister 2, venturi demister 3 and higher level's demister
1, alkaline detergent solution enters venturi demister 3 from liquid sucting port 7 simultaneously, experience atomization, condense and remove mist process after, flue gas
In SO3Being removed, flue gas is cleaned more thorough, to meet the concentration of emission of regulation.
Claims (6)
1. the sulfur trioxide removing means after the wet desulphurization, it is characterised in that include higher level's demister (1), under
Level demister (2) and the venturi demister (3) being arranged between higher level's demister (1) and subordinate's demister (2), literary composition
In mound, demister (3) includes disk (4) and straight tube (5), and disk (4) is provided with pore (6), the corresponding gas of straight tube (5)
The position in hole (6) is arranged on disk (4), and straight tube (5) is provided with liquid sucting port (7) with the junction of disk (4).
Sulfur trioxide removing means after wet desulphurization the most according to claim 1, it is characterised in that straight tube
(5) being arranged on the side of disk (4), straight tube (5) is near higher level's demister (1), and disk (4) is near subordinate's demister
(2)。
Sulfur trioxide removing means after wet desulphurization the most according to claim 1, it is characterised in that higher level removes
Day with fog (1) and subordinate's demister (2) are ridge type, board-like or tubular demister.
Sulfur trioxide removing means after wet desulphurization the most according to claim 1, it is characterised in that straight tube
(5) cross sectional shape is circular or square.
Sulfur trioxide removing means after wet desulphurization the most according to claim 1, it is characterised in that subordinate removes
Day with fog (2) lower section is additionally provided with desulfurization spraying layer (8).
Sulfur trioxide removing means after wet desulphurization the most according to claim 1, it is characterised in that higher level removes
The quantity of day with fog (1) is 2 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620125769.0U CN205598933U (en) | 2016-02-17 | 2016-02-17 | A sulfur trioxide removing device for behind wet flue gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620125769.0U CN205598933U (en) | 2016-02-17 | 2016-02-17 | A sulfur trioxide removing device for behind wet flue gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598933U true CN205598933U (en) | 2016-09-28 |
Family
ID=56960234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620125769.0U Active CN205598933U (en) | 2016-02-17 | 2016-02-17 | A sulfur trioxide removing device for behind wet flue gas desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205598933U (en) |
-
2016
- 2016-02-17 CN CN201620125769.0U patent/CN205598933U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |