CN201921630U - Desulfurizing tower for purifying sintering flue gas - Google Patents
Desulfurizing tower for purifying sintering flue gas Download PDFInfo
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- CN201921630U CN201921630U CN2010207012774U CN201020701277U CN201921630U CN 201921630 U CN201921630 U CN 201921630U CN 2010207012774 U CN2010207012774 U CN 2010207012774U CN 201020701277 U CN201020701277 U CN 201020701277U CN 201921630 U CN201921630 U CN 201921630U
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Abstract
The utility model relates to a desulfurizing tower for purifying sintering flue gas, comprising a reaction tower, a washing liquid tank and a washing tower, wherein the reaction tower is connected with the washing tower by a connecting flue, a flue gas inlet is arranged at the top part of the reaction tower, a reactor is arranged inside the reaction tower, and an ammonia water spraying device is arranged above the reactor; the washing liquid tank is connected with the washing tower by a pipeline, a flue gas discharge hole is arranged at the top part of the washing tower, a dehydration defogging section, an ammonia washing section and a washing section are sequentially arranged in the washing tower from top to bottom, at the position above the connecting flue, and a serous fluid storage area is arranged inside the washing tower, at the position below the connecting flue. In the novel desulfurizing tower, the ammonia supplying amount can be rapidly regulated aiming at sulfur content of the sintering flue gas, so as to avoid excessive ammonia consumption; washing is carried out to flue gas in a grading manner, so as to effectively reduce ammonia escape and avoid secondary pollution; the serous fluid and the washing liquid can be stored respectively according to different concentrations, circular washing is realized, the concentration is controllable and the regulation is convenient.
Description
Technical field
The utility model relates to a kind of desulfurizing tower, relates in particular to a kind of desulfurizing tower that is used to purify sinter fume, belongs to smoke eliminator.
Background technology
In existing flue gas desulfurization treating apparatus, be generally at the supporting facility of middle-size and small-size sintering machine desulfuration.Along with the development of large-type sinterer,, the maximization of desulfurizing tower is had higher requirement to the increase of desulfurization flue gas treating capacity.If adopt plurality of devices to carry out multistep treatment, it is big then to take up room, and equipment cost is higher; If adopt single tower, centralized fume desulfurizing tower, equipment size, highly too big then, is safeguarded inconvenience at maintenance, has reduced the service life and the reliability of operation of equipment.
The utility model content
The utility model provides a kind of desulfurizing tower that is used to purify sinter fume at existing desulfurizing tower above shortcomings, and this desulfurizing tower is under the prerequisite that ensures desulfuration efficiency, reduce liquid-gas ratio, reduce the escaping of ammonia, make things convenient for overhaul of the equipments, maintenance, and reduce floor space.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of desulfurizing tower that is used to purify sinter fume comprises reaction tower, washing liquid bath and scrubbing tower, and described reaction tower links to each other with scrubbing tower by connecting flue; The top of described reaction tower is provided with smoke inlet, and the inside of described reaction tower is provided with at least one reactor, and the top of described reactor is provided with the ammonia spray device; Described washing liquid bath links to each other with scrubbing tower by pipeline; The top of described scrubbing tower is provided with the fume emission mouth, and described scrubbing tower inside is positioned at the place, top that connects flue and is respectively the dehydrating demisting section from top to bottom, washes ammonia section and washing section, and described scrubbing tower inside is positioned at the place, below that connects flue and is the slurries memory block.
The beneficial effects of the utility model are: the utility model is used to purify the desulfurizing tower of sinter fume can avoid the excess of ammonia consumption at the sulfur content quick adjustment of sinter fume for the ammonia amount; Flue gas is carried out classification repeatedly wash, reduced the escape of ammonia effectively, avoid the secondary pollution problem of bringing; Slurries, cleaning solution are stored separately by the concentration difference, circulation cleaning, and concentration is controlled, is convenient to regulate.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described reaction tower is provided with for the ammoniacal liquor inlet, and described the inlet for ammoniacal liquor links to each other with the ammonia spray device.
Further, described dehydrating demisting section and wash and be provided with first dividing plate between the ammonia section, described first dividing plate has at least one first gas cap towards a side of dehydrating demisting section; Described washing between ammonia section and the washing section is provided with second partition, and described second partition has at least one second gas cap towards a side of washing the ammonia section, is provided with the cleaning solution spray equipment between described first dividing plate and at least one second gas cap; Described washing section comprises air ducting and multilayer slurries spray equipment, and described air ducting is over against connecting the flue setting, and described multilayer slurries spray equipment is positioned at the top of air ducting.
Further, the top of described washing liquid bath is provided with flushing water reflux inlet and cleaning solution reflux inlet, and the bottom of described washing liquid bath is provided with the circulating cleaning solution outlet.
Further, the top of described scrubbing tower is provided with flushing water inlet, flushing water bypass outlet, circulating cleaning solution inlet, cleaning solution bypass outlet and loop slurry inlet, described flushing water inlet links to each other with the dehydrating demisting section, described flushing water bypass outlet links to each other with first dividing plate, described circulating cleaning solution inlet links to each other with the cleaning solution spray equipment, described cleaning solution bypass outlet links to each other with second partition, and described multilayer slurries spray equipment links to each other with the loop slurry inlet.
Further, the bottom of described scrubbing tower is provided with circulating cleaning solution and replenishes mouth, loop slurry outlet and slurries extraction mouth, described circulating cleaning solution replenishes the top that mouth is positioned at the slurries memory block, and described loop slurry outlet and slurries are extracted the bottom that mouth is positioned at the slurries memory block out.
Further, described flushing water reflux inlet links to each other with the flushing water bypass outlet by pipeline, described cleaning solution bypass outlet replenishes mouth by pipeline and cleaning solution reflux inlet and circulating cleaning solution respectively and links to each other, described circulating cleaning solution outlet links to each other with the circulating cleaning solution inlet by pipeline, described loop slurry outlet links to each other with the loop slurry inlet by pipeline, and described slurries outlet is connected to filtration system by pipeline.
Further, described dehydrating demisting section comprises at least one demister.
Further, described reaction tower is arranged on the top of washing liquid bath, and perhaps described reaction tower and washing liquid bath are arranged on the same horizontal plane.
Further, described reactor is a tubular reactor, and it comprises at least one Venturi tube, and described Venturi tube is circular or square.
Description of drawings
Fig. 1 is used to purify the structural representation of the desulfurizing tower of sinter fume for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is used to purify the structural representation of the desulfurizing tower of sinter fume for the utility model.As shown in Figure 1, the desulfurizing tower of sintering gas purifying of the present utility model comprises two tower bodies compositions: the reaction tower 7 of prime and the scrubbing tower 12 of back level and the connection flue 2 between the double tower.Described reaction tower 7 bottoms have flushing water reflux inlet 26 and cleaning solution reflux inlet 27 for independently washing liquid bath 1 on described washing liquid bath 1 top, and circulating cleaning solution outlet 28 is arranged in described washing liquid bath 1 bottom.Flue gas enters the tubular reactor 3 of reaction tower 7 from smoke inlet 6, and ammoniacal liquor is from entering ammonia spray device 5 atomizing back and smoke reactions for ammoniacal liquor inlet 4.Reacted flue gas enters in the scrubbing tower 12 by connecting flue 2.Flue gas enters scrubbing tower 12 from connecting flue 2, through behind the air ducting 22, respectively by washing section 19, wash ammonia section 17, dehydrating demisting section 14 backs from 13 dischargings of fume emission mouth.The gas cap 15 of walking for flue gas is arranged in the scrubbing tower, and gas cap 15 also has the effect of even distribution flue gas.Described smoke inlet 6 and fume emission mouth 13 can be that as shown in the figure side is gone into side and gone out structure, also can be to enter reaction tower from the top or directly discharge from the scrubbing tower top.The number of described tubular reactor 3 is at least one, and each reactor 3 all has supporting with it separately ammonia spray device 5 and enters the mouth 4 for ammoniacal liquor.Described tubular reactor 3 can be circular or square.
Described scrubbing tower 12 is positioned at and connects flue 2 belows and partly be the slurries memory block, is used for depositing following bad slurries.Additional mouthful 25 of circulating cleaning solution arranged on top, slurries memory block, and there is loop slurry outlet 23 bottom and is used for the slurries extraction mouth 24 of separating and filtering.Connection flue 2 tops of described scrubbing tower 12 from bottom to top by gas cap 15 and dividing plate 16 be separated into washing section 19, wash ammonia section 17,14 3 functional areas of dehydrating demisting section, be mainly used to remove sulphur ammonium particle and dust in flue gas, escape ammonia, water smoke respectively.
In the described washing section 19 air ducting 22 is arranged, multilayer slurries spray equipment 20 and loop slurry inlet 21.Slurries in the loop slurry memory block are drawn out of from loop slurry outlet 23, are delivered to slurries spray equipment 20 through piping and carry out atomizing spray, and the slurries that spray absorb desulfurization product ammonium sulfite particle and dust in the washing flue gas.After ammonium sulfite concentration in the slurries reaches the technological requirement index, extract mouthful 24 extractions out from slurries and deliver to the separation that filtration system is carried out dirt mud.
Described washing has the cleaning solution of more than one deck spray equipment 18 and corresponding circulating cleaning solution inlet 9 in the ammonia section 17.Cleaning solution is transported to circulating cleaning solution inlet 9 through circulating cleaning solution outlet 28 extractions by pipeline from described washing liquid bath 1 and enters cleaning solution spray equipment 18.Cleaning solution behind described cleaning solution spray equipment 18 atomizing sprays is collected by dividing plate after cleaning solution bypass outlet 8 enters into washing liquid bath 1 by pipeline.After cleaning solution reaches finite concentration, distribute a part of cleaning solution and enter the slurries memory block for additional mouthful 25 through circulating cleaning solution.
Described dehydrating demisting section 14 is mainly used to capture the water smoke that flue gas is carried secretly, in establish multistage demister.The demister flushing water enters from flushing water inlet 11, and multistage demister is carried out spray Cleaning for High Capacity, and the flushing water after the use flows out to washing liquid bath 1 from flushing water bypass outlet 10.
The flow process that the utility model desulfurizing tower adopts desulphurization reaction, washes the ammonium deamination makes technology science, reasonable more, and reaction tower separates outfit with scrubbing tower, help the desulfurization demand of actual use and adaptation large scale sintering equipment; Adopt the multi-layer classification spray washing in the scrubbing tower, absorbed the measure of escape ammonia, reduced the secondary pollution problem that escape ammonia causes; Reaction tower adopts at least one reactor, regulates flexibly the reaction efficiency height for ammonia; System water supplement is introduced by washing the ammonia section, has both avoided the problem of deriving brought as system water supplement by the demister flushing water, and can utilize fresh water to wash ammonia fully again.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a desulfurizing tower that is used to purify sinter fume is characterized in that, described desulfurizing tower comprises reaction tower, washing liquid bath and scrubbing tower, and described reaction tower links to each other with scrubbing tower by connecting flue; The top of described reaction tower is provided with smoke inlet, and the inside of described reaction tower is provided with at least one reactor, and the top of described reactor is provided with the ammonia spray device; Described washing liquid bath links to each other with scrubbing tower by pipeline; The top of described scrubbing tower is provided with the fume emission mouth, and described scrubbing tower inside is positioned at the place, top that connects flue and is respectively the dehydrating demisting section from top to bottom, washes ammonia section and washing section, and described scrubbing tower inside is positioned at the place, below that connects flue and is the slurries memory block.
2. the desulfurizing tower that is used to purify sinter fume according to claim 1 is characterized in that, described reaction tower is provided with for the ammoniacal liquor inlet, and described the inlet for ammoniacal liquor links to each other with the ammonia spray device.
3. the desulfurizing tower that is used to purify sinter fume according to claim 1 is characterized in that, described dehydrating demisting section and wash and be provided with first dividing plate between the ammonia section, and described first dividing plate has at least one first gas cap towards a side of dehydrating demisting section; Described washing between ammonia section and the washing section is provided with second partition, and described second partition has at least one second gas cap towards a side of washing the ammonia section, is provided with the cleaning solution spray equipment between described first dividing plate and at least one second gas cap; Described washing section comprises air ducting and multilayer slurries spray equipment, and described air ducting is over against connecting the flue setting, and described multilayer slurries spray equipment is positioned at the top of air ducting.
4. the desulfurizing tower that is used to purify sinter fume according to claim 3 is characterized in that, the top of described washing liquid bath is provided with flushing water reflux inlet and cleaning solution reflux inlet, and the bottom of described washing liquid bath is provided with the circulating cleaning solution outlet.
5. the desulfurizing tower that is used to purify sinter fume according to claim 4, it is characterized in that, the top of described scrubbing tower is provided with the flushing water inlet, flushing water bypass outlet, circulating cleaning solution inlet, cleaning solution bypass outlet and loop slurry inlet, described flushing water inlet links to each other with the dehydrating demisting section, described flushing water bypass outlet links to each other with first dividing plate, described circulating cleaning solution inlet links to each other with the cleaning solution spray equipment, described cleaning solution bypass outlet links to each other with second partition, and described multilayer slurries spray equipment links to each other with the loop slurry inlet.
6. the desulfurizing tower that is used to purify sinter fume according to claim 5, it is characterized in that, the bottom of described scrubbing tower is provided with circulating cleaning solution and replenishes mouth, loop slurry outlet and slurries extraction mouth, described circulating cleaning solution replenishes the top that mouth is positioned at the slurries memory block, and described loop slurry outlet and slurries are extracted the bottom that mouth is positioned at the slurries memory block out.
7. the desulfurizing tower that is used to purify sinter fume according to claim 6, it is characterized in that, described flushing water reflux inlet links to each other with the flushing water bypass outlet by pipeline, described cleaning solution bypass outlet replenishes mouth by pipeline and cleaning solution reflux inlet and circulating cleaning solution respectively and links to each other, described circulating cleaning solution outlet links to each other with the circulating cleaning solution inlet by pipeline, described loop slurry outlet links to each other with the loop slurry inlet by pipeline, and described slurries outlet is connected to filtration system by pipeline.
8. the desulfurizing tower that is used to purify sinter fume according to claim 1 is characterized in that, described dehydrating demisting section comprises at least one demister.
9. the desulfurizing tower that is used to purify sinter fume according to claim 1 is characterized in that, described reaction tower is arranged on the top of washing liquid bath; Perhaps described reaction tower and washing liquid bath are arranged on the same horizontal plane.
10. the desulfurizing tower that is used to purify sinter fume according to claim 1 is characterized in that, described reactor is a tubular reactor, and it comprises at least one Venturi tube, and described Venturi tube is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207012774U CN201921630U (en) | 2010-12-30 | 2010-12-30 | Desulfurizing tower for purifying sintering flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207012774U CN201921630U (en) | 2010-12-30 | 2010-12-30 | Desulfurizing tower for purifying sintering flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN201921630U true CN201921630U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010207012774U Expired - Lifetime CN201921630U (en) | 2010-12-30 | 2010-12-30 | Desulfurizing tower for purifying sintering flue gas |
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| CN (1) | CN201921630U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731605A (en) * | 2016-12-29 | 2017-05-31 | 临沂圣大环保工程有限公司 | Nitrate method phosphoric acid plant vent gas from reaction tank processing unit and method |
| CN109499296A (en) * | 2019-01-11 | 2019-03-22 | 苏州万鸿环保科技有限公司 | A kind of marine diesel exhaust gas desulfurization scrubbing tower |
| CN112023603A (en) * | 2020-09-24 | 2020-12-04 | 浙江大学 | Ship tail gas washing and purifying system and method suitable for complex swinging/starting and stopping working conditions |
-
2010
- 2010-12-30 CN CN2010207012774U patent/CN201921630U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731605A (en) * | 2016-12-29 | 2017-05-31 | 临沂圣大环保工程有限公司 | Nitrate method phosphoric acid plant vent gas from reaction tank processing unit and method |
| CN109499296A (en) * | 2019-01-11 | 2019-03-22 | 苏州万鸿环保科技有限公司 | A kind of marine diesel exhaust gas desulfurization scrubbing tower |
| CN112023603A (en) * | 2020-09-24 | 2020-12-04 | 浙江大学 | Ship tail gas washing and purifying system and method suitable for complex swinging/starting and stopping working conditions |
| CN112023603B (en) * | 2020-09-24 | 2023-09-15 | 浙江大学 | Ship tail gas washing and purifying system and method suitable for swing/start-stop complex working conditions |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |