CN209049193U - Steam-heated white plume governing system is condensed again based on fluorine plastic-steel - Google Patents
Steam-heated white plume governing system is condensed again based on fluorine plastic-steel Download PDFInfo
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- CN209049193U CN209049193U CN201821577080.7U CN201821577080U CN209049193U CN 209049193 U CN209049193 U CN 209049193U CN 201821577080 U CN201821577080 U CN 201821577080U CN 209049193 U CN209049193 U CN 209049193U
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Abstract
The utility model discloses one kind based on fluorine plastic-steel condensation steam-heated white plume governing system, including sequentially connected deduster (1), booster fan (2), desulfurizing tower (3) and wet scrubber (4), fluorine plastic-steel condenser (5), demister (6), fluorine plastic-steel steam heater (7) and chimney (8) again；Fluorine plastic-steel condenser (5) is also connected with cooling tower (9).The utility model has the characteristics that can be improved flue gas takes off white effect, reduces processing equipment volume and safe and stable operation time length.
Description
Technical field
The utility model relates to a kind of white cigarette processing systems of boiler emission gas, especially a kind of to be condensed based on fluorine plastic-steel
Steam-heated white plume governing system again.
Background technique
China is energy consumption big country, and energy resource structure is based on coal.Currently, the coal unit in China 90% uses lime stone-stone
Cream wet desulfurizing process, which makes flue-gas temperature be reduced to 50 DEG C or so, and is in saturation or hypersaturated state, but low temperature
Wet saturated flue gas can condense to form a large amount of white plumes (being commonly called as " white cigarette ") in chimney breast, while causing visual pollution,
Photochemical reaction environment can be also built, is one of main inducing of haze；Currently, the processing for white cigarette is generally changed using metal
Hot device by after hot fume before desulfurizing tower directly heats desulfurizing tower cold flue gas in the way of carry out, equipment investment is big and volume is big, and
And to take off white effect also undesirable for flue gas；Simultaneously as flue gas has stronger corrosivity and contains dust, conventional metal is changed
There is serious corrosion and dust stratification in hot device, service life is very short, not can guarantee long-term safety stable operation when applying.Cause
This, existing technology takes off that white effect is undesirable, processing equipment volume is larger and can not long-term safety stable operation there is tail gas
The problem of.
Utility model content
The purpose of the utility model is to provide one kind, and based on the condensation of fluorine plastic-steel, steam-heated white plume administers system again
System.The utility model, which has, can be improved the de- white effect of flue gas, reduction processing equipment volume and safe and stable operation time length
Feature.
The technical solution of the utility model includes: steam-heated white plume governing system is condensed again based on fluorine plastic-steel, including
Sequentially connected deduster, booster fan, desulfurizing tower, wet scrubber, fluorine plastic-steel condenser, demister, fluorine plastic-steel steam add
Hot device and chimney；Fluorine plastic-steel condenser is also connected with cooling tower.
Above-mentioned to be condensed again in steam-heated white plume governing system based on fluorine plastic-steel, deduster import connects through pipeline
It is connected to boiler.
Above-mentioned to be condensed again in steam-heated white plume governing system based on fluorine plastic-steel, the demister is baffle plate
Demister.
It is above-mentioned to be condensed again in steam-heated white plume governing system based on fluorine plastic-steel, the fluorine plastic-steel condenser
It is arranged in flue with fluorine plastic-steel steam heater；Between the fluorine plastic-steel condenser and fluorine plastic-steel steam heater and flue
It is respectively equipped with reduced pipe.
Above-mentioned to be condensed again in steam-heated white plume governing system based on fluorine plastic-steel, the reduced pipe includes section
For the tube body of pyramidal structure, the import of tube body is small head end, and the outlet of tube body is stub end；The inside of the small head end of tube body is equipped with
The equally distributed deflector of muti-piece.
Above-mentioned to be condensed again in steam-heated white plume governing system based on fluorine plastic-steel, the section of the deflector is
Isosceles trapezoidal structure, deflector bottom are arc surface, and arc is additionally provided on deflector two sides and reinforces raised line.
It is above-mentioned based in the condensation of fluorine plastic-steel again steam-heated white plume governing system, the fluorine plastic-steel condenser and
Demister is also connected with water treatment system.
Compared with prior art, the utility model is arranged at wet scrubber rear and is steamed by fluorine plastic-steel condenser and fluorine plastic-steel
The double heat exchanger system of vapour heater composition, the two are combined, are not only simple in structure, and equipment volume is small, and equipment cost is low, are realized
The pollutant discharge amounts such as dust/Nox/SOx are reduced with lower cost and effectively administer the mesh of the outer white plume phenomenon of chimney
's.Flue gas is condensed by fluorine plastic-steel condenser, flue-gas temperature can be made to reduce, reaches what moist part in flue gas was precipitated
Effect is conducive to improve white cigarette regulation effect；Flue gas condensed bears water dust, Nox and the SOx that can also take away simultaneously in partial fume,
The pollutant discharge amounts such as dust/Nox/SOx can be made further to decline.Flue gas is carried out by fluorine plastic-steel steam heater abundant
Heating to reduce the humidity of flue gas and improves flue-gas temperature with this, makes to be cooled to by atmosphere after flue gas emission liquid water is precipitated
Before the temperature of grain, sufficiently spread, to improve white cigarette regulation effect；Fluorine plastic-steel condenser and fluorine plastic-steel steam heater are all adopted
With phase-change heat-exchange mode, Composite Walls are higher, it is possible to reduce heat exchange area, and then heater volume and weight is reduced, it reduces
Equipment cost and saving space.Meanwhile fluorine plastic-steel condenser and fluorine plastic-steel steam heater all use fluorine plastic steel composite pipe conduct
Heat exchanger tube, fume side have excellent corrosion resistance, anti-dust stratification, while but also with good rigidity, fluoroplastic layer and steel pipe
Thickness degree is all very low, and therefore, fluorine plastic-steel condenser and fluorine plastic-steel steam heater have long service life, can pacify for a long time
Full stable operation, stable structure be reliable, the lower characteristic of wall surface thermal resistance.It is taken off in conclusion the utility model can be improved flue gas
White effect, the feature for reducing processing equipment volume and safe and stable operation time length.
In addition, reduced pipe is arranged between fluorine plastic-steel condenser and fluorine plastic-steel steam heater and flue, it is equipped in reduced pipe
Deflector, deflector can be improved the uniformity that flue gas enters fluorine plastic-steel condenser and fluorine plastic-steel steam heater, and then improve
Heat transfer effect, while flue gas can also be reduced in the resistance of reduced pipe, to reduce energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the scheme of installation of fluorine plastic-steel condenser；
Fig. 3 is the structural schematic diagram of reduced pipe in embodiment 1；
Fig. 4 is the structural schematic diagram of deflector；
Fig. 5 is the structural schematic diagram of reduced pipe in embodiment 2.
The label in accompanying drawing is: 1- deduster, 2- booster fan, 3- desulfurizing tower, 4 wet scrubbers, the condensation of 5- fluorine plastic-steel
Device, 6- demister, 7- fluorine plastic-steel steam heater, 8- chimney, 9- cooling tower, 10- flue, 11- reduced pipe, 12- tube body, 13-
Arc convex, 14- arc-shaped concave, 15- decompression protrusion, 16- flow-disturbing slot, 17- deflector, 18- arc reinforce raised line.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment 1.Steam-heated white plume governing system is condensed again based on fluorine plastic-steel, constitutes institute as shown in Figure 1 to Figure 4
Show, including sequentially connected deduster 1, booster fan 2, desulfurizing tower 3, wet scrubber 4, fluorine plastic-steel condenser 5, demister 6,
Fluorine plastic-steel steam heater 7 and chimney 8；Fluorine plastic-steel condenser 5 is also connected with cooling tower 9.
1 import of deduster is connected with boiler through pipeline.
The demister 6 is baffle plate demister.
The fluorine plastic-steel condenser 5 is vertically disposed to horizontal flue 10；The fluorine plastic-steel condenser 5 and horizontal flue 10
Between be equipped with reduced pipe 11.
The reduced pipe 11 includes the tube body 12 that section is pyramidal structure, and the import of tube body 12 is small head end, tube body 12
Outlet is stub end；The inside of the small head end of tube body 12 is equipped with the equally distributed deflector 17 of muti-piece.
The section of deflector 17 is isosceles trapezoidal structure, and 17 bottom of deflector is arc surface, is gone back on 17 two sides of deflector
Reinforce raised line 18 equipped with arc.
The fluorine plastic-steel condenser 5 includes stainless steel end plate, fluorine plastic-steel composite heat exchange tube, stainless steel support tube, stainless steel
Middle partition, stainless steel supporting square tube, flange bridging U-bend, flange end socket, structural beams and vibrationproof partition.
The fluorine plastic-steel condenser 5 and demister 6 are also connected with water treatment system.
7 structure of fluorine plastic-steel steam heater is similar with fluorine plastic-steel condenser, including stainless steel end plate, fluorine plastic-steel are compound
Heat exchanger tube, stainless steel support tube, partition, stainless steel supporting square tube, flange end socket, structural beams and vibrationproof partition in stainless steel.
Fluorine plastic-steel condenser: a kind of hot device of shell-and-tube, heat exchanger tube are fluorine plastic steel composite pipe.Flow media is cigarette in shell-side
Gas, flow media is recirculated cooling water in pipe side, reduces flue-gas temperature using recirculated cooling water, moist part is precipitated in flue gas.
Circulating line between fluorine plastic-steel condenser and cooling tower includes two root canal roads, and one is high temperature circulation pipe, and one is followed for low temperature
Endless tube.The heat exchanger tube import of condenser is water at low temperature, and the outlet of the heat exchanger tube of condenser is high-temperature water.
Demister: a kind of equipment using the larger particles hydrone drop in mechanical centrifugal principle removal flue gas, it can be with
Select chevron mist eliminator.
Fluorine plastic-steel steam heater: a kind of shell-and-tube heat exchanger, heat exchanger tube are fluorine plastic-steel heat exchanger tube.Flow media in shell-side
For flue gas, inlet tube side medium is low-pressure saturated steam, and outlet side medium is saturation condensed water, utilizes the latent heat of vaporization of steam
Heat flue gas.What is flowed into from the saturated vapor suction flange of steam and flue gas heat-exchange unit is saturated vapor, is changed from steam and flue gas
The condensating water outlet tube outflow of hot device is condensed water.
The fluorine plastic-steel steam heater is arranged in flue.
Reduced pipe also is provided between the both ends and flue of fluorine plastic-steel steam heater.
Fluorine plastic-steel condenser bottom is equipped with discharge outlet, and horizontal flue bottom is equipped with water outlet corresponding with discharge outlet position
Mouthful, water outlet, which is connected to water treatment system, condensation water recovery system, and condensation water recovery system is connected with desulfurizing tower water inlet.
The steam inlet of the fluorine plastic-steel steam heater is connected with low-pressure steam pipeline.
The flue surfaces carry out applying squama processing.
The fluorine plastic-steel steam heater includes multiple heater modules being overlapped mutually；The heater module includes two
The end plate of block parallel arrangement, partition in muti-piece is evenly equipped between two end plates, and middle partition is equipped with more evenly arranged fluorine modelings
End plate is fixed at steel heat exchanger tube, fluorine plastic-steel heat exchanger tube both ends；End plate outside wall surface is equipped with ring flange, and ring flange is sealed equipped with arc
Head, arc end socket upper and lower ends are equipped with sealing plate；The arc end socket of one end is equipped with saturated vapor suction flange, the arc of the other end
End socket is equipped with condensating water outlet tube；Sealing ring is additionally provided between the ring flange and end plate.
Flue gas first passes through the water conservancy diversion of deflector when flowing through reduced pipe, can either reduce flue gas resistance, can also effectively delay
Local vibration caused by solving flue gas flow field unevenly.
The course of work of the utility model: boiler generates flue gas, and flue gas is through deduster, booster fan, desulfurizing tower and wet type
After the processing of deduster, 50 DEG C of saturation wet flue gas is generated, saturation wet flue gas enters fluorine plastic-steel condenser and demister.It is saturated wet
Flue gas is cooling by the recirculated cooling water of pipe side in fluorine plastic-steel condenser, and temperature drops to 45 DEG C, there is condensed water precipitation；Flue gas condensed
The dust in partial fume, Nox and SOx are born water while being taken away, the pollutant discharge amounts such as dust/Nox/SOx can be made further
Decline；Larger diameter liquid condensation particle water in flue gas is collected by demister, can be used as desulfurizing tower spray after preliminary treatment
Water drenching is recycled；Flue gas after condensation demisting enters fluorine plastic-steel steam heater, is carried out by steam further by flue gas
To after 80 DEG C, it is discharged from chimney.
Embodiment 2.Based on the white plume governing system that the condensation of fluorine plastic-steel reheats, such as Fig. 1 to Fig. 2 and Fig. 4 is constituted
To shown in Fig. 5, including sequentially connected deduster 1, booster fan 2, desulfurizing tower 3 and wet scrubber 4, fluorine plastic-steel condenser 5,
Demister 6, fluorine plastic-steel steam heater 7 and chimney 8；Fluorine plastic-steel condenser 5 is also connected with cooling tower 9.
1 import of deduster is connected with boiler through pipeline.
The demister 6 is baffle plate demister.
The fluorine plastic-steel condenser 5 is vertically disposed to horizontal flue 10；The fluorine plastic-steel condenser 5 and horizontal flue 10
Between be equipped with reduced pipe 11.
The reduced pipe 11 includes the tube body 12 that section is pyramidal structure, and the import of tube body 12 is small head end, tube body 12
Outlet is stub end；Arc convex 13 and arc-shaped concave 14 are successively arranged on the inner wall of 12 stub end of tube body；Tube body 12
Decompression protrusion 15 is additionally provided on the inner wall up and down at middle part, the surface of decompression protrusion 15 is arc surface structure, 12 middle part of tube body
Front and back inner wall is equipped with flow-disturbing slot 16；The inner wall of the small head end of tube body 12 is equipped with the equally distributed deflector 17 of muti-piece.
The section of the deflector 17 is isosceles trapezoidal structure, and 17 bottom of deflector is arc surface, 17 two sides of deflector
On be additionally provided with arc reinforce raised line 18.
Fluorine plastic-steel condenser: a kind of hot device of shell-and-tube, heat exchanger tube are fluorine plastic-steel heat exchanger tube.Flow media is cigarette in shell-side
Gas, flow media is recirculated cooling water in pipe side, utilizes fume afterheat heat cycles cooling water, reduces flue-gas temperature.Fluorine plastic-steel
Circulating line between condenser and cooling tower includes two root canal roads, and one is high temperature circulation pipe, and one is low-temperature circulating pipe.It is cold
The heat exchanger tube import of condenser is water at low temperature, and the outlet of the heat exchanger tube of condenser is high-temperature water.
Demister: a kind of equipment using the larger particles hydrone drop in mechanical centrifugal principle removal flue gas, it can be with
Select chevron mist eliminator.
Fluorine plastic-steel steam heater: a kind of shell-and-tube heat exchanger, heat exchanger tube are fluorine plastic-steel heat exchanger tube.Flow media in shell-side
For flue gas, inlet tube side medium is that low pressure is saturated or supersaturated vapor, outlet side medium are saturation condensed water, utilizes steam
Vaporization latent heat flue gas.What is flowed into from the saturated vapor suction flange of steam and flue gas heat-exchange unit is saturated vapor, from steam
What is flowed out with the condensating water outlet tube of flue gas heat-exchange unit is condensed water.
The fluorine plastic-steel steam heater is horizontal to be arranged in vertical flue.
Reduced pipe also is provided between the upper and lower ends and vertical flue of fluorine plastic-steel steam heater.
Fluorine plastic-steel condenser bottom is equipped with discharge outlet, and horizontal flue bottom is equipped with water outlet corresponding with discharge outlet position
Mouthful, water outlet is connected with water treatment system, and water treatment system is connected with desulfurizing tower water inlet.
The steam inlet of the fluorine plastic-steel steam heater is connected with low-pressure steam pipeline.
The vertical flue and horizontal flue surface carry out applying squama processing.
The inner wall of tube body stub end be successively arranged on the small head end to the direction of stub end of tube body arc convex and
Arc-shaped concave.
The fluorine plastic-steel steam heater includes multiple heater modules being overlapped mutually；The heater module includes two
The end plate of block parallel arrangement, partition in muti-piece is evenly equipped between two end plates, and middle partition is equipped with more horizontal homogeneous arrangements
End plate is fixed at fluorine plastic-steel heat exchanger tube, fluorine plastic-steel heat exchanger tube both ends；End plate outside wall surface is equipped with ring flange, and ring flange is equipped with arc
End socket, arc end socket upper and lower ends are equipped with sealing plate；The arc end socket of one end is equipped with saturated vapor suction flange, the arc of the other end
Shape end socket is equipped with condensating water outlet tube；Sealing ring is additionally provided between the ring flange and end plate.
Flue gas first passes through the water conservancy diversion of deflector when flowing through reduced pipe, can either reduce flue gas resistance, can also effectively delay
Local vibration caused by solving flue gas flow field unevenly；Then, flue gas alleviates rushing for flue gas by decompression protrusion and flow-disturbing slot, effect
It hits, while the purpose of flow-disturbing can also be played the role of to flue gas, further flow-disturbing is played to flue gas by the way that flow-disturbing slot is arranged, is mentioned
High flue gas enters the uniformity of condenser, and then improves heat transfer effect；After the deceleration of the arc-shaped concave of stub end, along arc
The path of concave surface is walked, to reduce flue gas to the impact force of fluorine plastic-steel condenser.
Fluorine plastic-steel condenser is arranged on horizontal flue using vertical structure, facilitates the collection of condensate liquid.By in fluorine
Reduced pipe is set between plastic-steel condenser and horizontal flue, by the inner wall of the stub end of tube body be arranged arc convex and
Arc-shaped concave, arc convex can reducing smoke to the pressure of stub end inner wall, arc-shaped concave can not only reduce flue gas
Flow through speed, additionally it is possible to play the role of guiding to the flow direction of flue gas, rush to reduce flue gas to fluorine plastic-steel condenser
Hit power；By the way that the decompression protrusion of arc surface structure is arranged at the middle part of reducing inside pipe wall, the impact of flue gas can be effectively relieved, together
When can also play the role of the purpose of flow-disturbing to flue gas, further flow-disturbing, raising cigarette are played to flue gas by setting flow-disturbing slot
Gas enters the uniformity of condenser, and then improves heat transfer effect.
Swingle is equipped between deflector and inboard wall of tube body；The deflector is equipped with rotating hole, from interior inside rotating hole
It is successively arranged torsional spring and platen outward, rotating hole is externally provided with the limited cover mutually fixed with deflector；It is equipped with and matches in the middle part of the platen
Close hole, matching hole inner wall is equipped with rubber ring, be equipped with through-hole in the middle part of the limited cover, swingle lower part sequentially pass through through-hole and
Matching hole, and be interference fit between swingle and rubber ring.It can be revolved by being arranged on the inner wall of the small head end of tube body
The deflector turned reduces system resistance, can also avoid flow field unevenly caused local vibration.
The torsional spring lower end is mutually fixed with rotating hole bottom surface, and torsional spring upper end is mutually fixed with platen.
When the gas field of flue gas is uneven, deflector can rotate under the action of flue gas around swingle, deflector rotation,
Meeting is so that torsional spring lower end generates torsional spring power, and platen is fixed in the upper end of torsional spring, and platen and swingle are interference fitted, so rotation
Bar and platen not can rotate, and when deflector rotation, torsional spring can generate a torsional spring power, be convenient for water conservancy diversion sheet reset, so as to
Buffer and correct non-uniform flue gas gas field.
The course of work of the utility model: boiler generates flue gas, and flue gas is through deduster, booster fan, desulfurizing tower and wet type
After the processing of deduster, 50 DEG C of saturation wet flue gas is generated, saturation wet flue gas enters fluorine plastic-steel condenser and demister.It is saturated wet
Flue gas is cooling by the recirculated cooling water of pipe side in fluorine plastic-steel condenser, and temperature drops to 45 DEG C, there is condensed water precipitation；Flue gas condensed
The dust in partial fume, Nox and SOx are born water while being taken away, the pollutant discharge amounts such as dust/Nox/SOx can be made further
Decline；Larger diameter liquid condensation particle water in flue gas is collected by demister, can be used as desulfurizing tower spray after preliminary treatment
Water drenching is recycled；Flue gas after condensation demisting enters fluorine plastic-steel steam heater, is carried out by steam further by flue gas
To 80 DEG C, it is discharged from chimney.
Claims (5)
1. condensing again steam-heated white plume governing system based on fluorine plastic-steel, it is characterised in that: removed including sequentially connected
Dirt device (1), booster fan (2), desulfurizing tower (3), wet scrubber (4), fluorine plastic-steel condenser (5), demister (6), fluorine plastic-steel
Steam heater (7) and chimney (8)；Fluorine plastic-steel condenser (5) is also connected with cooling tower (9)；The fluorine plastic-steel condenser (5)
It is arranged in flue (10) with fluorine plastic-steel steam heater (7)；The fluorine plastic-steel condenser (5) and fluorine plastic-steel steam heater
(7) it is respectively equipped between flue (10) reduced pipe (11)；The reduced pipe (11) includes the tube body that section is pyramidal structure
(12), the import of tube body (12) is small head end, and the outlet of tube body (12) is stub end；The inside of tube body (12) small head end is equipped with
The equally distributed deflector of muti-piece (17).
2. according to claim 1, based on the condensation of fluorine plastic-steel, steam-heated white plume governing system, feature exist again
In: deduster (1) import is connected with boiler through pipeline.
3. according to claim 1, based on the condensation of fluorine plastic-steel, steam-heated white plume governing system, feature exist again
In: the demister (6) is baffle plate demister.
4. according to claim 1, based on the condensation of fluorine plastic-steel, steam-heated white plume governing system, feature exist again
In: the section of the deflector (17) is isosceles trapezoidal structure, and deflector (17) bottom is arc surface, deflector (17) two sides
On be additionally provided with arc reinforce raised line (18).
5. according to claim 1, based on the condensation of fluorine plastic-steel, steam-heated white plume governing system, feature exist again
In: the fluorine plastic-steel condenser (5) and demister (6) are also connected with water treatment system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577080.7U CN209049193U (en) | 2018-09-27 | 2018-09-27 | Steam-heated white plume governing system is condensed again based on fluorine plastic-steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577080.7U CN209049193U (en) | 2018-09-27 | 2018-09-27 | Steam-heated white plume governing system is condensed again based on fluorine plastic-steel |
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| CN209049193U true CN209049193U (en) | 2019-07-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926953A (en) * | 2018-09-27 | 2018-12-04 | 衢州佰强新材料科技有限公司 | One kind condensing again steam-heated white plume governing system based on fluorine plastic-steel |
| CN115646187A (en) * | 2022-11-01 | 2023-01-31 | 山东泰开环保科技有限公司 | Variable entry guiding device and use its denitration reactor |
-
2018
- 2018-09-27 CN CN201821577080.7U patent/CN209049193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926953A (en) * | 2018-09-27 | 2018-12-04 | 衢州佰强新材料科技有限公司 | One kind condensing again steam-heated white plume governing system based on fluorine plastic-steel |
| CN115646187A (en) * | 2022-11-01 | 2023-01-31 | 山东泰开环保科技有限公司 | Variable entry guiding device and use its denitration reactor |
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