CN206138999U - Formula desulfurizing tower that spurts of multiple spot air inlet - Google Patents
Formula desulfurizing tower that spurts of multiple spot air inlet Download PDFInfo
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- CN206138999U CN206138999U CN201621162630.XU CN201621162630U CN206138999U CN 206138999 U CN206138999 U CN 206138999U CN 201621162630 U CN201621162630 U CN 201621162630U CN 206138999 U CN206138999 U CN 206138999U
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- flue gas
- tower
- tower body
- multiple spot
- air inlet
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Abstract
The utility model provides a formula desulfurizing tower that spurts of multiple spot air inlet, including the tower body, top -down has set gradually exhanst gas outlet, defroster, has sprayed absorbed layer and a plurality of flue gas air intake in the tower body, the below that sprays the absorbed layer is equipped with to the throat of spurting of the annular of tower body internal contraction, the peripheral hoop of tower body is equipped with flue gas air inlet case, the flue gas air intake is all at flue gas air inlet incasement portion. The utility model discloses a with the multiple spot air inlet, spurt the throat with spray the mode that the absorbed layer combined together, in insurance validity handing down to posterity when uniting the void tower spraying technology advantage, utilize the multiple spot air inlet and the throat of spurting to realize the rectification of flue gas equipartition, prevent that the flue gas from climbing the wall short circuit, the realization sprays thick liquid sum of distribution extension flue gas desulfurization reaction time again, thereby improve desulfurization efficiency, reduce the volume of spraying, and then saving circulating pump energy consumption, reduce the volume of tower, equipment and operation cost is reduced, the economic benefits and the social that are showing very much have.
Description
Technical field
This utility model is related to Wet Flue Gas Desulfurization Technique field, particularly one kind can effectively reduce sulfur dioxide in flue gas discharge
The hot air blow type desulfurizing tower of the multiple spot air intake of concentration.
Background technology
The discharge capacity of abatement sulfur dioxide, control Atmospheric SO_2 Pollution, environment protection quality, are current and not
Carry out one of important topic of China environmental protection in the long duration.Sulfur dioxide pollution control technology is a lot of, but wherein flue gas
Desulfurization is effectively to cut down the irreplaceable technology of SO2 emissions.The method of flue gas desulfurization is a lot, according to physics and chemistry
Ultimate principle, can be generally divided into three kinds of absorption process, absorption method and catalysis method.Absorption process is sulfur dioxide in purifying smoke
Most important, most widely used method.Absorption process is divided into dry and wet again.
Wet desulphurization traditional at present absorbs mainly following several technologies:Spray void tower technology, pallet tower technology, bubbling
Tower technology, fluid column tower technology, packed column technology.From for user perspective, the selection on absorption tower requires the base in low operating cost
On plinth, high efficiency as far as possible is reached, and it is simple to operate.In the case of flue gas flow rate identical in tower, spray void tower is
System resistance is minimum, and the resistance of pallet tower takes second place, and the resistance of bubble tower, liquid column tower and packed tower is larger;Void tower internals are sprayed in addition
Less, the probability of internal incrustation is less, and operation expense is relatively low, and technique is the most ripe.
However, existing spray void tower is susceptible to flue gas climbs flue gas flow field Biased flow phenomenon in wall short circuit and tower, Er Qiesuo
Need spray flux big, equipment operating cost is higher, and desulfuration efficiency needs further to be improved.
For case above, existing wet desulphurization absorption system need will spray void tower substantially do not increase equipment investment and
Do under conditions of operating cost and further optimize, desulfurization effect is further improved while desulphurization system operation stability is improved
Rate.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model to provide a kind of hot air blow type desulfurizing tower of multiple spot air intake, can
Effectively prevent flue gas from climbing flue gas flow field Biased flow phenomenon in wall short-circuit conditions, tower, and spray flux is little, desulfuration efficiency is high, fits very much
For Wet Flue Gas Desulfurization Technique.
This utility model solves the technical scheme adopted by its technical problem:A kind of hot air blow type desulfurization of multiple spot air intake
Tower, including tower body, if being disposed with exhanst gas outlet, demister, spray-absorption layer and dry flue gas air intake from top to bottom in tower body
Mouthful, the flue gas air inlet ring is uniformly distributed on tower body, is provided with to tower body contract below the spray-absorption layer
Annular is spurted necking.
Used as further preferred embodiment, the flue gas air inlet is arranged on tower body middle and lower part position.
Used as further preferred embodiment, the quantity of the flue gas air inlet is 6 or 8.
Used as further preferred embodiment, the flue gas air inlet is obliquely installed in tower body surrounding, and which is in tower
Internal one end is relative to be below.
As further preferred embodiment, centrage and the tower body horizontal plane angle of the flue gas air inlet be 10~
15°。
Used as further preferred embodiment, tower body periphery ring is provided with flue gas inlet box, the flue gas air intake
It is tightly connected between case and tower body, the flue gas air inlet is in inside flue gas inlet box, flue gas inlet box is provided with flue gas and enters
Mouthful.
Used as further preferred embodiment, the section of the flue gas inlet box is uiform section or variable cross-section.
As further preferred embodiment, if the absorption spraying layer is dried layer, per layer absorbs below spraying layer
It is provided with the necking of spurting.
As further preferred embodiment, the oblique section of necking that the necking of spurting includes being connected with each other from bottom to top,
Necking straight section and the oblique section of enlarging, the internal diameter of the necking straight section are less than the internal diameter of absorption tower tower body.
Inclination angle as further preferred embodiment, between the inclined plane and tower body vertical axis of the oblique section of the necking
For 20~30 °, the inclined plane of the oblique section of the enlarging is 30~60 ° with the inclination angle of tower body vertical axis, the necking straight section with
Tower body vertical axis is parallel.
Good effect of the present utility model:This utility model is by by multiple spot air intake, spurt necking and spray-absorption layer phase
With reference to mode, while traditional hollow-spraying-tower technological merit is retained, realize that flue gas is equal using multiple spot air intake and necking of spurting
Cloth rectification, prevent flue gas climb wall short circuit, realize sprayed slurry redistribution and extend the desulphurization reaction time, so as to improve desulfurization effect
Rate, reduction spray flux, and then circulating pump energy consumption is saved, reduce the volume of tower, reduce equipment and operation cost, with highly significant
Economic benefit and social benefit.
Description of the drawings
Fig. 1 is the structural representation of desulfurizing tower described in the utility model;
Fig. 2 is the structural representation of flue gas inlet box described in the utility model;
Fig. 3 is the cross section structure diagram in A-A faces in Fig. 2;
Fig. 4 is the structural representation of necking of spurting described in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail.
Referring to figs. 1 to Fig. 4, this utility model preferred embodiment provides a kind of hot air blow type desulfurizing tower of multiple spot air intake, including
Tower body 1, if being disposed with exhanst gas outlet 6, demister 5, spray-absorption layer 4 and dry flue gas air inlet from top to bottom in tower body 1
7,7 ring of flue gas air inlet is uniformly distributed on tower body 1, and the lower section of the spray-absorption layer 4 is provided with to 1 contract of tower body
Annular spurt necking 3.
Preferably, the flue gas air inlet 7 is arranged on 1 middle and lower part position of tower body, and the quantity of the flue gas air inlet 7 is 6
It is individual or 8.
The flue gas air inlet 7 is obliquely installed in tower body surrounding, and one end which is in tower body is relative to be below, institute
The centrage and 1 horizontal plane angle of tower body for stating flue gas air inlet 7 is 10~15 °.The cross sectional shape of the flue gas air inlet 7 can be with
For square or circular.
1 peripheral ring of the tower body is provided with flue gas inlet box 2, is tightly connected, institute between the flue gas inlet box 2 and tower body 1
State flue gas air inlet 7 to be in inside flue gas inlet box 2, flue gas inlet box 2 is provided with gas approach.
The section of the flue gas inlet box 2 can be uiform section or variable cross-section.
If the absorption spraying layer 4 is dried layer, below per layer of absorption spraying layer 4, the necking 3 of spurting is equipped with.
The necking 3 of spurting includes the oblique section 8 of necking, necking straight section 9 and the oblique section 10 of enlarging being connected with each other from bottom to top, institute
State the internal diameter of the internal diameter less than absorption tower tower body of necking straight section 9.
Inclination angle between the inclined plane and tower body vertical axis of the oblique section of the necking 8 is 20~30 °, the oblique section of the enlarging 10
The inclination angle of inclined plane and tower body vertical axis be 30~60 °, the necking straight section 9 is parallel with tower body vertical axis.
Former flue gas is entered from the flue gas inlet box 2 of 1 side of tower body, and then many flue gas air inlets 7 of Jing are entered in tower body 1
Portion, this setting are more beneficial for weakening reflux in tower vortex, reduce crushing, extend gas-liquid contact time;Then flue gas rises to spray
Necking 3 is risen, in the presence of the air-flow that spurts, is formed after the oblique section of enlarging 10 is formed about recirculating zone, i.e. serosity and smoke reaction
The breakup of drop after, be distributed again so that certain back-mixing occurs in serosity, again with flue gas in SO2Occur Deng acid ingredient
Chemical reaction.
Former flue gas through spurting necking 3 when, the oblique section of the necking of necking 3 of spurting 8 points to absorption tower upper center obliquely,
Flue gas can be prevented to press close to tower wall escape along spray coverage hole, the flue gas of tower wall circumference is pooled near absorption tower center side
To spray compact district;Absorption tower lower central is pointed to obliquely by the oblique section of the enlarging of the necking that makes to spurt 10, absorption will be sprayed onto
Spraying zone is introduced along the serosity that tower wall flows downward in tower wall, is made this fraction slurries that desulphurization reaction occur with flue gas again, is realized
Serosity redistributes function.
Multiple equally distributed atomizers are set on spray-absorption layer 4, and are connected with slurry pool by circulating line,
Sprayed so that the alkali liquor in slurry pool is pumped to atomizer, form alkali liquor fog, with the former flue gas entered from flue gas inlet box 2
It is fully contacted and reacts.
The flue gas that Jing desulphurization reactions are crossed is further up in tower body 1 to be eliminated fog in demister 5 to demister 5,
Demister 5 may also set up multilamellar, and the exhanst gas outlet 6 at the top of flue gas Jing tower bodies 1 after final purification is discharged.
After using this utility model, there is following advantage:By multiple spot air intake, necking of spurting mutually are tied with spray-absorption layer
Close, while traditional hollow-spraying-tower technological merit is retained, flue gas even distribution rectification is realized using multiple spot air intake and necking of spurting, prevented
Only flue gas climbs wall short circuit, realizes sprayed slurry redistribution and extends the desulphurization reaction time, so as to improve desulfuration efficiency, reduces spray
Amount, saves circulating pump energy consumption, reduces the volume of tower, reduces equipment and operation cost, it is anticipated which has the Jing of highly significant
Ji benefit and social benefit.
Above-described is only preferred embodiment of the present utility model, and the explanation of should be understood that above example is only
It is to be used to help understand method of the present utility model and its core concept, is not used to limit protection domain of the present utility model,
All any modifications made within thought of the present utility model and principle, equivalent etc., should be included in this practicality new
Within the protection domain of type.
Claims (10)
1. a kind of hot air blow type desulfurizing tower of multiple spot air intake, including tower body, it is characterised in that:It is disposed with tower body from top to bottom
If exhanst gas outlet, demister, spray-absorption layer and dry flue gas air inlet, the flue gas air inlet ring are uniformly distributed in tower body
On, it is provided with below the spray-absorption layer to the annular of tower body contract and spurts necking.
2. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The flue gas air inlet
It is arranged on tower body middle and lower part position.
3. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The flue gas air inlet
Quantity be 6 or 8.
4. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The flue gas air inlet
It is obliquely installed in tower body surrounding, one end which is in tower body is relative to be below.
5. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 4, it is characterised in that:The flue gas air inlet
Centrage and tower body horizontal plane angle be 10~15 °.
6. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The outer collarette of the tower body
To flue gas inlet box is provided with, it is tightly connected between the flue gas inlet box and tower body, the flue gas air inlet is in flue gas air intake
Inside case, flue gas inlet box is provided with gas approach.
7. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 6, it is characterised in that:The flue gas inlet box
Section be uiform section or variable cross-section.
8. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The absorption spraying layer
If for dried layer, being equipped with the necking of spurting below per layer of absorption spraying layer.
9. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 1, it is characterised in that:The necking bag that spurts
The oblique section of the necking being connected with each other from bottom to top, necking straight section and the oblique section of enlarging are included, the internal diameter of the necking straight section is less than absorption tower
The internal diameter of tower body.
10. the hot air blow type desulfurizing tower of a kind of multiple spot air intake according to claim 9, it is characterised in that:The oblique section of the necking
Inclined plane and tower body vertical axis between inclination angle be 20~30 °, the inclined plane and tower body vertical axis of the oblique section of the enlarging
Inclination angle be 30~60 °, the necking straight section is parallel with tower body vertical axis.
Priority Applications (1)
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CN201621162630.XU CN206138999U (en) | 2016-10-24 | 2016-10-24 | Formula desulfurizing tower that spurts of multiple spot air inlet |
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CN201621162630.XU CN206138999U (en) | 2016-10-24 | 2016-10-24 | Formula desulfurizing tower that spurts of multiple spot air inlet |
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CN206138999U true CN206138999U (en) | 2017-05-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107970765A (en) * | 2016-10-24 | 2018-05-01 | 南京凯盛国际工程有限公司 | A kind of hot air blow type desulfurizing tower of multiple spot inlet air |
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2016
- 2016-10-24 CN CN201621162630.XU patent/CN206138999U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107970765A (en) * | 2016-10-24 | 2018-05-01 | 南京凯盛国际工程有限公司 | A kind of hot air blow type desulfurizing tower of multiple spot inlet air |
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Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. |