CN204798999U - Water slinger device of tube bundle dust remover - Google Patents
Water slinger device of tube bundle dust remover Download PDFInfo
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- CN204798999U CN204798999U CN201520152717.8U CN201520152717U CN204798999U CN 204798999 U CN204798999 U CN 204798999U CN 201520152717 U CN201520152717 U CN 201520152717U CN 204798999 U CN204798999 U CN 204798999U
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- shut
- drip ring
- osculum
- bundled tube
- tube deduster
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Abstract
The utility model discloses a water slinger device of tube bundle dust remover, including tube bundle dust remover (1), water slinger (2), internal face wash port (3), shut wash port (4), shut (5) and drain pipe (6), water slinger (2) are located the above -mentioned exit of tube bundle dust remover (1), internal face wash port (3) are located tube bundle dust remover (1) barrel wall, shut (5) lie in the outer wall of tube bundle dust remover (1), shut wash port (4) be located shut (5), shut wash port (4) trompil lower extreme run in water pipe (6). The utility model provides a water slinger device of tube bundle dust remover, it is good to take off dirt fog effects, and the export particle concentration is low, and resistance to motion is little, and obvious reduction is carried secretly to gaseous secondary, and the operation is reliable, simple to operate, the maintenance is simple, and the cost is low, and the equipment selection that the dirt defogging provided a new reliable low price is taken off for saturated flue gas improves to the sexual valence relative altitude.
Description
Technical field
The utility model belongs to bundled tube deduster interior arrangement field, particularly a kind of drip ring device of bundled tube deduster.
Background technology
Exiting flue gas drop carries phenomenon secretly can cause negative effect in various degree to environment, even more serious when especially when adopting wet desulfurizing process, exhanst gas outlet is " Wet chimney ".In flue gas, drop is taken to atmospheric environment at chimney breast, and the large drop that some of them have little time to spread, evaporate will drop to the ground of chimney periphery, and this phenomenon is called as " chimney rains ".Show according to running to " Wet chimney " investigation carried out, the settling zone of perceptible drop is usually centered by chimney, in the radius scope that is 800m.
Flue gas drop is carried secretly and is had certain influence for the discharge of dust in chimney breast flue gas simultaneously.Containing certain solid particulate matter in the spray liquid of wet desulfurization system absorption tower, in conventional limestone/gypsum wet desulphurization system, liquid-solid ratio is about 10 ~ 20%, solid particulate matter content contained in exiting flue gas is smaller compared with spray liquid, just can discharge after having to pass through dedusting demist process.Bundled tube deduster is after removing the tiny micronic dust and drop carried in flue gas, and there is again the drop partly be caught to know and removed micronic dust and drop formation its exiting flue gas position by reentrainment, returns in flue gas.The reentrainment of this part seriously reduces the efficiency of dust collection of bundled tube deduster, affects the dust content of final exiting flue gas.
Utility model content
In order to solve the problem, the utility model proposes a kind of drip ring device of bundled tube deduster, comprise bundled tube deduster (1), drip ring (2), internal face osculum (3), shut osculum (4), shut (5) and drainpipe (6), described drip ring (2) is positioned at the exit above of bundled tube deduster (1); Described internal face osculum (3) is positioned on bundled tube deduster (1) cylindrical shell wall; Described shut (5) is positioned in the outside wall surface of bundled tube deduster (1); Described shut osculum (4) is positioned on shut (5), and run in water pipe (6) in shut osculum (4) perforate lower end.
Preferably, the shape of described drip ring (2) is the smooth circular cylinder of internal face.
Preferably, described drip ring (2) is vertically placed, and the inwall of its outer wall and bundled tube deduster (1) fits together.
Preferably, the thickness of described drip ring (2) and the determination of height parameter are as the criterion than the best with the effectiveness reducing reentrainment with drip ring increase resistance.
Preferably, the number of described shut osculum (4) is identical with the number of drainpipe (6), according to quantity and the displacement decision of internal face osculum (3).
Preferably, the number of described internal face osculum (3) is more than or equal to the number of shut osculum (4), and the quantity according to discharging drop determines.
Preferably, described internal face osculum (3) is positioned at below drip ring (2).
Preferably, the area of section of described drip ring (2) middle cavity is 70% ~ 95% of most external area of section.
Preferably, the horizontal center line of described internal face osculum (3) and hole horizontal tangential angle need meet after the drop that condenses leads and rotate and cast aside in osculum.
Preferably, described drainpipe (6) is U-tube structure, and it is poor that the height of U-tube need be greater than the liquid level that shut (5) both sides maximum pressure differential causes.
The drip ring device of the bundled tube deduster that the utility model proposes, de-dirt demist is effective, outlet dust content is low, and running resistance is little, and gas reentrainment obviously reduces, reliable, easy for installation, safeguard simple, cost is low, cost performance is high, for saturated flue gas improves the equipment choice that de-dirt demist provides a kind of reliable cheapness newly.
Accompanying drawing explanation
Fig. 1 is the sketch of the drip ring device of the utility model bundled tube deduster.
Description of reference numerals
1 bundled tube deduster 2 drip ring 3 internal face osculum
4 shut osculum 5 shut 6 drainpipes
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.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figure 1, the utility model proposes a kind of drip ring device of bundled tube deduster, comprise bundled tube deduster, drip ring, internal face osculum, shut osculum, shut and drainpipe, described drip ring is positioned at the exit above of bundled tube deduster; Described internal face osculum is positioned on bundled tube deduster cylindrical shell wall; Described shut is positioned in the outside wall surface of bundled tube deduster; Described shut osculum is positioned on shut, and run in water pipe in shut osculum perforate lower end.
In flue gas high speed rotary motion process, superfine little droplet in flue gas and dust move to bundled tube deduster internal face direction in the effect of centrifugal force, have smooth at bundled tube deduster, the internal face of hydrophobic character gathers as drop, drop moves along wall spiral under the effect of swirling eddy, drip ring device is vertical placement, the circular cylinder that internal face is smooth, its outer wall and the inwall of bundled tube deduster are fitted and are installed, the determination of the parameter of its thickness and height, that drip ring increase resistance is as the criterion than the best with the effectiveness reducing reentrainment, drip ring changes the direction of motion of swirling eddy in bundled tube house outlet position, be stabilized on a relative constant height after causing drop to rise to outlet downside certain altitude and carry out moving along wall, drop does not stop in the state of rotary motion at wall, mutually collide between drop, reunite, size droplet diameter constantly increases, the excessive rear spiral of transferring of particle diameter of final drop moves downward, discharge from the internal face osculum of drainage arrangement.Internal face osculum is positioned at below drip ring 2 ~ 10cm, hole vertical height 1 ~ 5cm, and outer, hole width is 1 ~ 5cm, and horizontal center line and hole horizontal tangential angle are 5-45 °.Drop does not contact drip ring surface, and burn into does not does not wear and tear drip ring.Drip ring device increases between resistance 20 ~ 100Pa, can reduce the effect of reentrainment between 50% ~ 90%.The area of section of drip ring middle cavity is 70% ~ 95% of most external area of section.
Internal face osculum is positioned on the cylindrical shell wall of bundled tube deduster, its Main Function is the larger drop discharge bundled tube deduster for being gathered by bundled tube deduster internal face, shut osculum is positioned on shut horizontal plane, its effect is the drop collecting the discharge of internal face osculum, and is discharged downwards by drainpipe after being concentrated by shut osculum.Shut osculum plays the effect of escape orifice, shut osculum will ensure that the drop collected is discharged by drainpipe in time, avoid the drop accumulation of discharging, after also will preventing the upper and lower dedusting of shut, the direct of gaseous environment different from dedusting first two contacts, especially directly entered in discharge flue gas by drainpipe without flue gas before the dedusting of bundled tube deduster, cause the smoke secondary after process to pollute.Shut refers to the sealant for isolating bundled tube deduster portal environment and export environment.Bundled tube deduster comprises n shut osculum and n shut water drainage pipe, n >=1.They diameter, height determination, can according to displacement need adjust.Shut osculum diameter is 10 ~ 50mm, and osculum quantity is determined according to from the quantity of bundled tube deduster internal face perforate and displacement, and bundled tube deduster shut is uniformly distributed.Bundled tube deduster comprises m internal face osculum, m >=1, m >=n, rotate after internal face osculum horizontal center line and the satisfied drop that condenses of hole horizontal tangential angle lead and cast aside in osculum, internal face osculum diameter 2 ~ 20mm, internal face osculum quantity is determined according to the quantity of discharging drop, and internal face cross section is uniformly distributed.Shut osculum is connected to drainpipe, and drainpipe adopts U-tube structure, and U-tube height meets the liquid level discrepancy in elevation being greater than shut both sides maximum pressure differential and causing.
Ratio >=0.9 of described drip ring internal diameter and external diameter (bundled tube deduster internal diameter), the thickness δ of drip ring and the ratio 0.3 ~ 0.5 of height h, enable its thickness δ and height h meet running resistance when preventing reentrainment from reaching 50% ~ 95% between 20 ~ 100Pa.Drip ring by smooth surface, corrosion-resistant, anti abrasive material manufacture, and can fit tightly seamless without revealing with bundled tube deduster.
The droplet liquid particles contained in Limestone-gypsum Wet Flue Gas Desulfurization Process neat stress derives from two parts, and a part is the tiny slurry droplet that sprayed slurry collides generation mutually, and a part is the fine mist that saturated neat stress cooling condensation generates; The dusting solid particle contained in neat stress also forms by two, a part is not caught by absorption tower slurries the fine dusts solid particle known in flue gas, a part is the insoluble gypsum, the limestone particle that suspend in slurry droplet, these two parts under existing measurement standard all in " dirt ".The feature of desulfurization neat stress is exactly the saturated low temperature of flue gas, and droplet content is large, and dust content is large.
Neat stress moves upward with the flow velocity of 3.5m/s with a large amount of droplets and dust, enters bundled tube deduster.The mean velocity in section of flue gas in bundled tube deduster is increased to more than 5m/s, gas is after multistage rotary dust collector process, enter last bundled tube deduster afterbody, now residual in flue gas small dirt and fine drop quantity very little, catch the drop after knowing and dirt gathers as droplet at wall, with air-flow upwards screw, air-flow flows to flow velocity through drip ring and changes, drop rolls along wall in differing heights position according to size droplet diameter size distribution, mutually collide to gather between drop and become large drop, the active force that air-flow is large to drop cannot maintain drop to be continued to keep its existing motion state, then slowly screw downwards, bundled tube deduster is departed from by inwall osculum, effectively prevent fine drop by air-flow reentrainment, cause the secondary pollution to flue gas.Drip ring device can reduce the reentrainment problem of flue gas, ensures bundled tube house outlet dust concentration 5mg/Nm
3below.
To sum up, the drip ring device of the bundled tube deduster that the utility model proposes, de-dirt demist is effective, outlet dust content is low, running resistance is little, and gas reentrainment obviously reduces, reliable, easy for installation, safeguard simple, cost is low, and cost performance is high, simple and reliable for structure without blocking risk, the light safety of equipment.For saturated flue gas improves the equipment choice that de-dirt demist provides a kind of reliable cheapness newly.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Claims (9)
1. the drip ring device of a bundled tube deduster, it is characterized in that, comprise bundled tube deduster (1), drip ring (2), internal face osculum (3), shut osculum (4), shut (5) and drainpipe (6), described drip ring (2) is positioned at the exit above of bundled tube deduster (1); Described internal face osculum (3) is positioned on bundled tube deduster (1) cylindrical shell wall; Described shut (5) is positioned in the outside wall surface of bundled tube deduster (1); Described shut osculum (4) is positioned on shut (5), and run in water pipe (6) in shut osculum (4) perforate lower end.
2. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, the shape of described drip ring (2) is the smooth circular cylinder of internal face.
3. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, described drip ring (2) is vertically placed, and the inwall of its outer wall and bundled tube deduster (1) fits together.
4. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, the number of described shut osculum (4) is identical with the number of drainpipe (6).
5. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, the number of described internal face osculum (3) is more than or equal to the number of shut osculum (4).
6. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, described internal face osculum (3) is positioned at below drip ring (2).
7. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, the area of section of described drip ring (2) middle cavity is 70% ~ 95% of most external area of section.
8. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, the horizontal center line of described internal face osculum (3) and hole horizontal tangential angle need meet after the drop that condenses leads and rotate and cast aside in osculum.
9. the drip ring device of bundled tube deduster according to claim 1, is characterized in that, described drainpipe (6) is U-tube structure, and it is poor that the height of U-tube need be greater than the liquid level that shut (5) both sides maximum pressure differential causes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152717.8U CN204798999U (en) | 2015-03-17 | 2015-03-17 | Water slinger device of tube bundle dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152717.8U CN204798999U (en) | 2015-03-17 | 2015-03-17 | Water slinger device of tube bundle dust remover |
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| Publication Number | Publication Date |
|---|---|
| CN204798999U true CN204798999U (en) | 2015-11-25 |
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| CN201520152717.8U Active CN204798999U (en) | 2015-03-17 | 2015-03-17 | Water slinger device of tube bundle dust remover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213703A (en) * | 2017-08-04 | 2017-09-29 | 山东恒科环保设备有限公司 | Efficient desulfurizing tower |
| CN110038354A (en) * | 2019-03-25 | 2019-07-23 | 华电电力科学研究院有限公司 | A kind of six side's sealing plates and its working method for the bundled tube demister with water blocking mechanism |
-
2015
- 2015-03-17 CN CN201520152717.8U patent/CN204798999U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107213703A (en) * | 2017-08-04 | 2017-09-29 | 山东恒科环保设备有限公司 | Efficient desulfurizing tower |
| CN107213703B (en) * | 2017-08-04 | 2019-08-06 | 山东恒科环保设备有限公司 | Efficient desulfurizing tower |
| CN110038354A (en) * | 2019-03-25 | 2019-07-23 | 华电电力科学研究院有限公司 | A kind of six side's sealing plates and its working method for the bundled tube demister with water blocking mechanism |
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| GR01 | Patent grant |