CN205730859U - A kind of low special demister of low-temperature flue gas processing system - Google Patents
A kind of low special demister of low-temperature flue gas processing system Download PDFInfo
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- CN205730859U CN205730859U CN201620418172.5U CN201620418172U CN205730859U CN 205730859 U CN205730859 U CN 205730859U CN 201620418172 U CN201620418172 U CN 201620418172U CN 205730859 U CN205730859 U CN 205730859U
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- low
- guide vane
- collector groove
- flue gas
- processing system
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Abstract
The utility model discloses a kind of low special demister of low-temperature flue gas processing system, including guide vane, blade upper head plate, blade bottom plate, collector groove, support, for replacing tubular demister, flue gas is evenly arranged, collect the serosity containing the dust such as calcium sulfite and Gypsum Fibrosum under rinsing from ridge type demister simultaneously, and serosity concentration is delivered to outside desulfurizing tower, thus reduces and fall into the moisture in the slurry pool bottom desulfurizing tower.Apply in the desulphurization system that have employed the scrap builds such as low-level (stack-gas) economizer, low temp. electric dedusting technology, low low-level (stack-gas) economizer, low low temp. electric dedusting technology, it is possible to play water balance in recovery desulfurizing tower, the effect of level stability in holding slurry pool.
Description
Art
This utility model relates to flue gas demister technical field, is specifically related to a kind of low special demister of low-temperature flue gas processing system,
It is primarily adapted for use in the stationary applications of desulfurizer mist eliminator.
Background technology
Thermal power plant is when generating, and the boiler used produces a large amount of high temperature cigarette containing the sour gas such as sulfur dioxide, sulfur trioxide
Gas, can discharge after needing to carry out desulfurization process.The most conventional wet fuel gas desulfurizing technology processes flue gas, and its nucleus equipment is
Desulfurizing tower.The desulfurizing tower that present stage uses, its import department's dry flue gas temperature is more than 100 DEG C, and in desulfurizing tower, flue gas is from bottom to top
Sequentially pass through spraying layer, except mist layer, then along pipeline from the discharge of desulfurizing tower top.Spraying layer is used for spraying lime stone slurry, slurry
Liquid generates calcium sulfite and gypsum particle with smoke reaction, thus removes the sour gas in flue gas, calcium sulfite and gypsum particle
Major part drops to be positioned in the slurry pool bottom desulfurizing tower.Fraction calcium sulfite and gypsum particle, and because high-temperature flue gas steams
Water droplet in the steam of outbreak generation, lime stone slurry ascends into except mist layer under flue gas pressures effect.Except mist layer is main
Being made up of with tubular demister ridge type demister, tubular demister is below ridge type demister.Tubular demister is mainly
To the effect being uniformly distributed the flue gas entering ridge type demister.
Except mist layer can remove the most of steam in flue gas and water droplet, and the calcium sulfite of part and gypsum particle, these
Granule, through being attached to ridge type demister surface except mist layer, with flusher on demister, ejects through flusher
Water rinse after, be attached to the particles fall on demister surface in slurry pool.Calcium sulfite in slurry pool is by the most anti-
After should being completely converted into Gypsum Fibrosum, discharge with specific speed bottom desulfurizing tower.In above process, the moisture of desulfurizing tower is entered
Come from moisture contained in the serosity of spraying layer injection, and the moisture of mist eliminator flushing device injection.Discharge from desulfurizing tower
Moisture includes the moisture discharged in slurry pool with Gypsum Fibrosum, and fails to be removed by demister, and from desulfurizing tower top with flue gas
The moisture discharged.Enter the moisture in tower equal with by the water tariff collection discharged in tower, thus maintain the water balance in desulfurizing tower.
The low-level (stack-gas) economizer that occurred in recent years, low temp. electric dedusting technology, and the low low-level (stack-gas) economizer of follow-up appearance, low low temp. electric
The technology such as dedusting, low efficient cryogenic smoke processing system, by using the desulphurization system after these technological transformations, desulfurizing tower import
The flue-gas temperature at place is reduced to less than 90 DEG C, and the evaporation of moisture in desulfurizing tower is reduced by flue gas, thus improves desulfurizing tower
Dedusting and demisting efficiency, but the impact bringing original desulfurizing tower is: and the moisture discharged from desulfurizing tower top reduces, but in order to protect
Card desulfurized effect, the serosity amount of spraying layer injection and the water yield of mist eliminator flushing device injection, and with Gypsum Fibrosum in slurry pool
The moisture discharged is the most constant, causes entry into the moisture moisture more than discharge of desulfurizing tower, and slurry pool occurs that liquid level rises steadily, leads
Cause the problem that serosity overflows.
Utility model content
This utility model is for the problems referred to above, it is provided that a kind of low special demister of low-temperature flue gas processing system, is arranged on desulfurizing tower and removes
In mist layer below ridge type demister, for collect by ridge type mist eliminator flushing device rinse fall containing calcium sulfite and Gypsum Fibrosum
The serosity of granule, and concentrate in together and be transported to outside desulfurizing tower, Special Equipment process by the pipeline on desulfurizing tower wall, with
Realize reducing the effect of moisture falling into slurry pool, thus water balance in recovering desulfurizing tower, keep stablizing of liquid level in slurry pool.
Meanwhile, by the guide vane of the reasonable Arrangement low low-temperature flue gas special demister of processing system, it is possible to play and tubular demister phase
The same effect being uniformly distributed flue gas, thus replace tubular demister.
The low special demister of low-temperature flue gas processing system is positioned at desulfurizing tower, including guide vane, blade upper head plate, collector groove,
Support, the quantity of guide vane is a plurality of, and guide vane is arranged as upper and lower two-layer, and the water conservancy diversion of interlaced arrangement, i.e. lower floor
Blade is placed exactly in below the space between two guide vanes that upper strata is adjacent, special from low low-temperature flue gas processing system to realize
The effect that the diversed blade of liquid fallen above demister is all collected；The cross sectional shape of guide vane is " V " open above
All having arc convex part, the effect of arc convex part on word, " V " word two side external surface is the water conservancy diversion making to be adsorbed in upper strata
The liquid of blade outer surface, when flowing to the end of arc convex part along outer surface, will fall directly into the groove of the guide vane of lower floor
In shape, thus avoiding liquid to flow to bottom guide vane, then the space between the two of lower floor adjacent guide vanes drops to
At the bottom of desulfurizing tower, so that liquid cannot be collected by the guide vane of lower floor；Guide vane is 0～45 ° with the angle of horizontal plane；Converge
The cross sectional shape of collection groove is " U " word open above, or is open aboveWord, or be tubular, collector groove
It it is 0～35 ° with the angle of horizontal plane；Collector groove is connected with the pipeline on desulfurizing tower, to realize being transported to the liquid in collector groove
Outside desulfurizing tower；Support is for being connected the low special demister of low-temperature flue gas processing system with desulfurizing tower；The material of guide vane is for moulding
Material, the material of blade upper head plate is plastics, and the material of collector groove is plastics, and the material of support is metal or plastics.
Described blade upper head plate is arranged on the end of guide vane side, connects as one with guide vane, and effect is to stop liquid
Flow out from guide vane end；Guide vane is arranged on collector groove both sides, and collector groove both sides have multiple hole, each hole to lead with every
Stream blade is corresponding, and the liquid that i.e. guide vane is collected flows in collector groove by the hole of collector groove both sides, without being leaked to collect
Beyond groove；Every guide vane uses the mode of welding to be arranged on collector groove both sides, or uses the hole inserting collector groove both sides
Mode is arranged on the both sides of collector groove.
The described low special demister of low-temperature flue gas processing system may also include blade bottom plate；The material of blade bottom plate is plastics.
Blade bottom plate and blade upper head plate are separately mounted to two ends of every guide vane, connect as one with guide vane；
Blade bottom plate is porose, and there is multiple hole collector groove both sides, and bottom plate is bolted with collector groove or welds together, and converges
Each hole of collection groove both sides is corresponding with the hole of each bottom plate, and the liquid that i.e. guide vane is collected passes through hole and the collector groove of bottom plate
The hole of side flows in collector groove, without being leaked to beyond collector groove.
Accompanying drawing explanation
Fig. 1 is the desulfurizing tower schematic diagram installing the low special demister of low-temperature flue gas processing system；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the enlarged drawing of part B in Fig. 3
In figure: 1, ridge type demister；2, desulfurizing tower；3, the low special demister of low-temperature flue gas processing system；4, support；5、
Guide vane；6, blade bottom plate；7, blade upper head plate；8, collector groove.
Detailed description of the invention
With example, this utility model is further illustrated below in conjunction with the accompanying drawings.
The low special demister of low-temperature flue gas processing system that this utility model example provides may be used for changing original desulfurizing tower
Making, it is possible to use in newly installed desulfurizing tower, concrete installation site is below ridge type demister.At low low-temperature flue gas
Reason system-specific demister includes guide vane, blade upper head plate, collector groove, support, and the quantity of guide vane is a plurality of, leads
Stream blade arrangement is upper and lower two-layer, and the guide vane of interlaced arrangement, i.e. lower floor is placed exactly in two water conservancy diversion that upper strata is adjacent
The lower section in space between blade, to realize the effect all collected from the diversed blade of liquid that ridge type demister falls；Water conservancy diversion
The cross sectional shape of blade is all to have arc convex part, arc convex on " V " word open above, " V " word two side external surface
The effect of part is the liquid of the guide vane outer surface making to be adsorbed in upper strata, when flowing to the end of arc convex part along outer surface,
By in the flute profile falling directly into the guide vane of lower floor, thus liquid is avoided to flow to bottom guide vane, then from the two of lower floor
Space between adjacent guide vanes drops at the bottom of desulfurizing tower, so that liquid cannot be collected by the guide vane of lower floor；Water conservancy diversion leaf
Sheet is 0～45 ° with the angle of horizontal plane；The cross sectional shape of collector groove is " U " word open above, or is open aboveWord, or be tubular, collector groove is 0～35 ° with the angle of horizontal plane；Blade upper head plate is arranged on guide vane one
The end of side, connects as one with guide vane, and effect is to stop liquid to flow out from guide vane end；Guide vane is arranged on
Collector groove both sides, there is multiple hole collector groove both sides, and the shape in hole is identical with guide vane cross sectional shape, each hole and every water conservancy diversion
Blade is corresponding, the end of guide vane opposite side, uses the mode of welding to be arranged on the position of collector groove perforate, or uses slotting
The mode in the hole entering collector groove both sides is arranged on the both sides of collector groove, and the liquid collected to realize guide vane passes through collector groove both sides
Hole flow in collector groove, without being leaked to beyond collector groove.Collector groove passes through to weld or flange with the pipeline on desulfurizing tower
Mode connects, and pipeline welding, on the tower wall of desulfurizing tower, connects desulfurizing tower inner side and outer side, to realize the liquid in collector groove
The purpose being transported to outside desulfurizing tower, these liquid can be processed by desulfurizing tower other original serosity processing equipments outer.
This utility model can also increase blade bottom plate on the basis of said structure, to realize above-mentioned overall structure is become permissible
Assembled small-scale structure；The material of blade bottom plate is plastics.Its concrete methods of realizing is: blade bottom plate and blade upper head plate
Respectively in two ends of every guide vane, being welded as a small-sized entirety with guide vane, blade bottom plate is porose, converges
Also there is multiple hole collection groove both sides, and this some holes correspond to install the position of the small-sized entirety of guide vane, on blade bottom plate and collector groove
The shape of perforate is identical with guide vane cross sectional shape.Bottom plate makes remittance together with being bolted with collector groove or being welded as
Each hole of collection groove both sides is corresponding with the hole of each bottom plate, and the liquid that i.e. guide vane is collected passes through hole and the collector groove of bottom plate
The hole of side flows in collector groove, without being leaked to beyond collector groove.
The guide vane of the low special demister of low-temperature flue gas processing system is except realizing being collected in the flushing of ridge type mist eliminator flushing device
During outside the effect of liquid that falls, by the way of reasonable Arrangement bilayer guide vane spacing, play and be uniformly distributed entrance room
The effect of the flue gas of ridge formula demister, such that it is able to replace tubular demister.
By using low low-temperature flue gas processing system special demister that the tubular demister of former desulfurizing tower is replaced, it is possible to real
Now without other equipment in further conversion desulfurizing tower, this desulfurizing tower just can use through low-level (stack-gas) economizer, low low-level (stack-gas) economizer,
On the smoke processing system of the scrap builds such as low temp. electric dedusting technology, save fund input.
Examples detailed above is the most for illustration of the utility model, rather than is to restriction of the present utility model, common about technical field
Technical staff, on the premise of without departing from spirit and scope of the present utility model, it is also possible to various changes can be made and deformation, therefore
The technical scheme of equivalent used also should belong to patent protection category of the present utility model, and scope of patent protection of the present utility model should
Limited by each claim.
Claims (4)
1. the one kind low special demister of low-temperature flue gas processing system, it is characterised in that: low low-temperature flue gas processing system special demister position
In desulfurizing tower, the low special demister of low-temperature flue gas processing system includes guide vane, blade upper head plate, collector groove, support,
The quantity of guide vane is a plurality of, and guide vane is arranged as upper and lower two-layer, and the guide vane of interlaced arrangement, i.e. lower floor
It is placed exactly in the lower section in space between two guide vanes that upper strata is adjacent, to realize removing from low low-temperature flue gas processing system is special
The effect that the diversed blade of liquid fallen above day with fog is all collected；The cross sectional shape of guide vane is " V " open above
All having arc convex part, the effect of arc convex part on word, " V " word two side external surface is to make to be adsorbed in leading of upper strata
The liquid of stream blade outer surface, when flowing to the end of arc convex part along outer surface, will fall directly into the guide vane of lower floor
Flute profile in, thus avoid liquid to flow to bottom guide vane, the then space between the two of lower floor adjacent guide vanes
Drop at the bottom of desulfurizing tower, so that liquid cannot be collected by the guide vane of lower floor；Guide vane with the angle of horizontal plane is
0～45 °；The cross sectional shape of collector groove is " U " word open above, or is " Qian " word open above, or is
Tubular, collector groove is 0～35 ° with the angle of horizontal plane；Collector groove is connected with the pipeline on desulfurizing tower, to realize converging
Liquid in collection groove is transported to outside desulfurizing tower；Support is for by the low special demister of low-temperature flue gas processing system with desulfurizing tower even
Connect；The material of guide vane is plastics, and the material of blade upper head plate is plastics, and the material of collector groove is plastics, the material of support
Matter is metal or plastics.
The low special demister of low-temperature flue gas processing system the most according to claim 1, it is characterised in that: described blade upper head plate
Being arranged on the end of guide vane side, connect as one with guide vane, effect is to stop liquid to flow from guide vane end
Go out；Guide vane is arranged on collector groove both sides, and there is multiple hole collector groove both sides, and each hole is corresponding with every guide vane, i.e.
The liquid that guide vane is collected flows in collector groove by the hole of collector groove both sides, without being leaked to beyond collector groove；Every
Guide vane uses the mode of welding to be arranged on collector groove both sides, or uses the mode in the hole inserting collector groove both sides to be arranged on
The both sides of collector groove.
The low special demister of low-temperature flue gas processing system the most according to claim 1, it is characterised in that: also include blade lower end
Plate；The material of blade bottom plate is plastics.
The low special demister of low-temperature flue gas processing system the most according to claim 3, it is characterised in that: blade bottom plate and leaf
Sheet upper head plate is separately mounted to two ends of every guide vane, connects as one with guide vane；Blade bottom plate is porose,
There is multiple hole collector groove both sides, and bottom plate is bolted with collector groove or welds together, collector groove both sides each
Hole is corresponding with the hole of each bottom plate, and the liquid that i.e. guide vane is collected is flowed into by the hole of bottom plate and the hole of collector groove side
In collector groove, without being leaked to beyond collector groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620418172.5U CN205730859U (en) | 2016-05-11 | 2016-05-11 | A kind of low special demister of low-temperature flue gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620418172.5U CN205730859U (en) | 2016-05-11 | 2016-05-11 | A kind of low special demister of low-temperature flue gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205730859U true CN205730859U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620418172.5U Expired - Fee Related CN205730859U (en) | 2016-05-11 | 2016-05-11 | A kind of low special demister of low-temperature flue gas processing system |
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| Country | Link |
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| CN (1) | CN205730859U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508039A (en) * | 2019-08-23 | 2019-11-29 | 上海中芬新能源投资有限公司 | A kind of absorption tower demisting device flushing water collecting device with primary defrosting function |
| CN112354291A (en) * | 2020-11-17 | 2021-02-12 | 庄伙金 | Industrial waste gas high-temperature purification equipment |
| CN113509802A (en) * | 2021-05-06 | 2021-10-19 | 德梅斯特(上海)环保科技有限公司 | Ship smoke defogging and whitening system |
-
2016
- 2016-05-11 CN CN201620418172.5U patent/CN205730859U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508039A (en) * | 2019-08-23 | 2019-11-29 | 上海中芬新能源投资有限公司 | A kind of absorption tower demisting device flushing water collecting device with primary defrosting function |
| CN112354291A (en) * | 2020-11-17 | 2021-02-12 | 庄伙金 | Industrial waste gas high-temperature purification equipment |
| CN113509802A (en) * | 2021-05-06 | 2021-10-19 | 德梅斯特(上海)环保科技有限公司 | Ship smoke defogging and whitening system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200511 |