CN207941384U - The system that wet flue gas desulfurization tower eliminates white plume - Google Patents
The system that wet flue gas desulfurization tower eliminates white plume Download PDFInfo
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- CN207941384U CN207941384U CN201721732124.4U CN201721732124U CN207941384U CN 207941384 U CN207941384 U CN 207941384U CN 201721732124 U CN201721732124 U CN 201721732124U CN 207941384 U CN207941384 U CN 207941384U
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- heat
- flue gas
- transfer pipe
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- flue
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Abstract
A kind of system that wet flue gas desulfurization tower eliminates white plume, including boiler, flue, air-introduced machine desulfurizing tower, flue gas heat-exchange unit, chimney, slurry heat exchanger, cooling tower or heat pump, slurries spray equipment, slurry circulating pump and water-circulating pump, the outlet flue of boiler and the air inlet of air-introduced machine connect, and the utility model is removed the white plume of wet desulfuration tower by comprehensive technological means.This patent utilizes the corrosion-resistant slurry heat exchanger of special composite, the waste heat of slurries is absorbed, slurry temperature is reduced, lower slurry temperature can be such that flue-gas temperature is even lower, down to after the undersaturated condition point of flue gas, the moisture in flue gas would not condense into droplet and form " white plume ".
Description
Technical field
The utility model is related to a kind of device for eliminating white plume, more precisely a kind of wet flue gas desulfurization tower disappears
Except the system of white plume.
Background technology
Flue gas after wet desulphurization is humidified cooling, and humidity is larger, temperature is relatively low, flue gas diffusion energy force difference is discharged, one
Under fixed meteorological condition, the discharge of flue gas will produce white cigarette, cause secondary public hazards.Although simple white plume is to environmental quality
It does not influence directly, but can live to surrounding resident and cause to perplex.Environmental Protection Agency is also often by similar complaint.Therefore permitted
Polygamy for the enterprise of wet flue gas desulfurizer, using eliminating " white plume " one of important content for being transformed as minimum discharge.
Invention content
The purpose of this utility model is to provide a kind of system that wet flue gas desulfurization tower eliminates white plume, can solve
The problem of stating.
The utility model to achieve the above object, passes through the novel realization of following technical application：
The system that wet flue gas desulfurization tower eliminates white plume, including boiler, flue, air-introduced machine desulfurizing tower, flue gas heat exchange
Device, chimney, slurry heat exchanger, cooling tower or heat pump, slurries spray equipment, slurry circulating pump and water-circulating pump, the smoke of boiler
Mouth is connect with the air inlet of air-introduced machine, and the air outlet of air-introduced machine and one end of flue connect, and the other end and the slurries of flue spray
Device connects, and the air outlet of spray equipment and the shell side side of flue gas heat-exchange unit connect, and the shell side other side of flue gas heat-exchange unit connects
The liquid outlet of cigarette receiving chimney, slurry heat exchanger connects slurries spray equipment, and slurry heat exchanger is originally entered internal liquid by water pump
To inside slurries spray equipment, slurries spray equipment is located inside desulfurizing tower, and the tube side of flue gas heat-exchange unit connects heat pump.
In order to further realize the purpose of this utility model, following technical application can also be used novel:The flue gas changes
The side of hot device connects shell side air inlet, and the inside of shell side air inlet is connected to the inside of slurry heat exchanger, flue gas heat-exchange unit
The other side connects shell side gas outlet, and the inside of shell side gas outlet is connected to the inside of flue gas heat-exchange unit, the tube side of shell side gas outlet
Including the first heat-transfer pipe, spherical shell and the second heat-transfer pipe, one end of the first heat-transfer pipe connects spherical shell, and the one of spherical shell
The inside of the second heat-transfer pipe of side connection, the inside of the first heat-transfer pipe and the second heat-transfer pipe is connected to spherical shell, the first heat transfer
The central shaft of the central shaft of pipe and the second heat-transfer pipe both passes through the center of circle of spherical shell, and the central shaft of the first heat-transfer pipe and second pass
The central axis of heat pipe.
The bottom of the flue gas heat-exchange unit is installed by several bearings.
The central shaft of the shell side air inlet and the central shaft of shell side gas outlet are mutually parallel but not conllinear.
The both sides of the flue gas heat-exchange unit are respectively mounted a heat transfer bobbin carriage, the inside of the first heat-transfer pipe and the second heat-transfer pipe
It is internal to be connected to the inside of heat transfer bobbin carriage.
The utility model has the advantage of：The utility model is by comprehensive technological means by the white cigarette of wet desulfuration tower
Plumage removes.In sweetening process, desulfurization slurry is in direct contact with high-temperature flue gas, and heat and mass occurs.One side moisture evaporation increases
Add the water capacity of flue gas；On the other hand, flue-gas temperature reduces, and the ability that flue gas carries vapor reduces, and flue gas reaches saturation shape
State carries part droplet, and since environment temperature is lower than flue-gas temperature, the moisture being saturated in wet flue gas will condense into droplet
It is formed " white plume ".The utility model utilizes the corrosion-resistant slurry heat exchanger of special composite, absorbs the waste heat of slurries, drops
Low slurry temperature, lower slurry temperature can be such that flue-gas temperature is even lower, down to after the undersaturated condition point of flue gas, in flue gas
Moisture would not condense into droplet formed " white plume ".Slurry heat exchanger is set after Desulfurization tower slurry circulating pump, it is cold
Source reduces the temperature of slurries using the recirculated water in cooling tower or heat pump, and the slurries after being cooled down continue to be sprayed to desulfurizing tower,
It is come into full contact with flue gas in tower body, absorbs the harmful substances such as the SO in flue gas, since slurry temperature reduces, slurries connect with flue gas
More flue gas heats are can absorb when tactile, the flue-gas temperature of desulfurizing tower outlet reduces, and the humidity of flue gas after temperature reduces reduces,
Heat exchanger reduces the reheating degree of flue gas after tower, more energy saving.Slurry heat exchanger is changed using corrosion-resistant anticlogging special substance
Hot device, medium be water-water, tubular structure, can anti-clogging it is antifriction.Flue gas heat-exchange unit is set on desulfurizing tower exhaust pass, it should
Flue gas heat-exchange unit is divided into two-stage, and first order flue gas heat-exchange unit plays condensation, and low-temperature receiver is the cold water of cooling tower or heat pump, is reduced
The temperature of flue gas, generate condensed water, condensate temperature is higher, this condensed water, which enters heat pump, to be continued to heat, the hot water after heating into
Enter secondary smoke heat exchanger, undersaturated condition point is warming up to after the heat of smoke absorption hot water, the hot water after cooling is back to heat
Continue to heat in pump, so recycle.After flue gas after being heated is warming up to undersaturated condition point, the moisture in flue gas is not easy to condense
At droplet, white plume disappears.The utility model also has compact, manufacturing cost simple for structure cheap and using easy to be excellent
Point.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the general structure schematic diagram of the utility model；Fig. 2 is the structural schematic diagram of flue gas heat-exchange unit；Fig. 3 is Fig. 2
I enlarged structure schematic diagram.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
The system that wet flue gas desulfurization tower eliminates white plume, as shown in Figure 1-Figure 3, including boiler 1, flue 2, air-introduced machine
3 desulfurizing towers 4, flue gas heat-exchange unit 5, chimney 6, slurry heat exchanger 7, cooling tower or heat pump 8, slurries spray equipment 9, slurry circulating pump
10 and water-circulating pump 11, the outlet flue of boiler 1 connect with the air inlet of air-introduced machine 3, the air outlet of air-introduced machine 3 and the one of flue 2
End connection, the other end of flue 2 are connect with slurries spray equipment 9, the shell side of the air outlet and flue gas heat-exchange unit 5 of spray equipment 9
Side connects, and the shell side other side of flue gas heat-exchange unit 5 connects chimney 6, and the liquid outlet of slurry heat exchanger 7 connects slurries spray equipment
9, slurry heat exchanger 7 is originally entered internal liquid to inside slurries spray equipment 9 by water pump, and slurries spray equipment 9 is located at de-
Inside sulphur tower 4, the tube side of flue gas heat-exchange unit 5 connects heat pump 8.
The utility model is removed the white plume of wet desulfuration tower by comprehensive technological means.In sweetening process,
Desulfurization slurry is in direct contact with high-temperature flue gas, and heat and mass occurs.One side moisture evaporation increases the water capacity of flue gas；It is another
Aspect, flue-gas temperature reduce, and the ability that flue gas carries vapor reduces, and flue gas reaches saturation state, carries part droplet, by
Lower than flue-gas temperature in environment temperature, the moisture being saturated in wet flue gas will condense into droplet and form " white plume ".This reality
With the novel corrosion-resistant slurry heat exchanger using special composite, the waste heat of slurries is absorbed, reduces slurry temperature, lower slurry
Liquid temperature can be such that flue-gas temperature is even lower, and down to after the undersaturated condition point of flue gas, the moisture in flue gas would not condense into
Droplet forms " white plume ".
Slurry heat exchanger is set after Desulfurization tower slurry circulating pump, and low-temperature receiver is using the recirculated water in cooling tower or heat pump, drop
The temperature of low slurries, the slurries after being cooled down continue to be sprayed to desulfurizing tower, be come into full contact with flue gas in tower body, absorb in flue gas
The harmful substances such as SO2, since slurry temperature reduces, slurries can absorb more flue gas heats, desulfurization when with smoke contacts
The flue-gas temperature of tower outlet reduces, and the humidity of flue gas after temperature reduces reduces, and heat exchanger reduces the reheating degree of flue gas after tower,
It is more energy saving.It is water-water that slurry heat exchanger, which uses corrosion-resistant anticlogging special substance heat exchanger, medium, and tubular structure can be prevented
It blocks antifriction.
Flue gas heat-exchange unit is set on desulfurizing tower exhaust pass, which is divided into two-stage, first order flue gas heat exchange
Device plays condensation, and low-temperature receiver is the cold water of cooling tower or heat pump, reduces the temperature of flue gas, generates condensed water, condensate temperature
Higher, this condensed water, which enters heat pump, to be continued to heat, and the hot water after heating enters secondary smoke heat exchanger, the heat of smoke absorption hot water
Undersaturated condition point is warming up to after amount, the hot water after cooling, which is back in heat pump, to be continued to heat, and is so recycled.Cigarette after being heated
After gas is warming up to undersaturated condition point, the moisture in flue gas is not easy to condense into droplet, and white plume disappears.
The flue gas that the air-introduced machine 3 of the utility model can be discharged for boiler 1 provides power, and flue gas is transported to desulfurizing tower 4
Inside, slurries can be pumped into the inside of slurries spray equipment 9 by water pump, made by the slurry heat exchanger 7 of the utility model
Slurries fully and smoke contacts, absorb the harmful components in flue gas, are then recycled back to slurries by slurry circulating pump 10
Heat exchanger 7 exchanges heat.
The side connection shell side air inlet 16 of the flue gas heat-exchange unit 5, inside and the slurry heat exchanger 7 of shell side air inlet 16
Inside connection, the other side connection shell side gas outlet 17 of flue gas heat-exchange unit 5, the inside of shell side gas outlet 17 and flue gas heat-exchange unit
5 inside connection, the tube side of shell side gas outlet 17 include the first heat-transfer pipe 20, spherical shell 21 and the second heat-transfer pipe 30, and first
One end of heat-transfer pipe 20 connects spherical shell 21, and the side of spherical shell 21 connects the second heat-transfer pipe 30, the first heat-transfer pipe 20
Internal and the second heat-transfer pipe 30 inside is connected to spherical shell 21, the central shaft of the first heat-transfer pipe 20 and the second heat-transfer pipe 30
Central shaft both pass through the center of circle of spherical shell 21, the central shaft of the central shaft of the first heat-transfer pipe 20 and the second heat-transfer pipe 30 hangs down
Directly.
The utility model is logical in liquid by 30 triplicity of the first heat-transfer pipe 20, spherical shell 21 and the second heat-transfer pipe
When crossing the first heat-transfer pipe 20 into spherical shell 21, since spherical shell 21 is rounded, liquid can produce inside spherical shell 21
Raw vortex improves heat exchanger effectiveness, to improve the entirety of heat exchanger to increase the time of contact of liquid and spherical shell 21
Heat exchange efficiency.The central shaft of first heat-transfer pipe 20 of the utility model and the central axis of the second heat-transfer pipe 30 can make liquid
Direction is converted after into spherical shell 21, to make liquid internal generate more vortex, to increase liquid and spherical shell
21 time of contact improves heat exchanger effectiveness, to improve the overall heat exchange efficiency of heat exchanger.
The bottom of the flue gas heat-exchange unit 5 is installed by several bearings 19.
The bearing 19 of the utility model can be that flue gas heat-exchange unit 5 provides support.
The central shaft of the shell side air inlet 16 and the central shaft of shell side gas outlet 17 are mutually parallel but not conllinear.
The central shaft of the shell side air inlet 16 of the utility model and the central shaft of shell side gas outlet 17 are mutually parallel but are not total to
Line can improve residence time of the gas inside shell side, to further increase the heat exchange efficiency of heat exchanger.
The both sides of the flue gas heat-exchange unit 5 are respectively mounted a heat transfer bobbin carriage 14, and the inside of the first heat-transfer pipe 20 and second passes
The inside of heat pipe 30 is connected to the inside of heat transfer bobbin carriage 14.
The heat transfer bobbin carriage 14 of the utility model can introduce gas into and export the first heat-transfer pipe 20 and the second heat-transfer pipe 30.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it novel to the technical application recorded in foregoing embodiments can still modify, or to which part technology
Feature carries out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement
Deng should be included within the scope of protection of this utility model.
Claims (5)
1. the system that wet flue gas desulfurization tower eliminates white plume, it is characterised in that：Including boiler（1）, flue（2）, air-introduced machine
（3）Desulfurizing tower（4）, flue gas heat-exchange unit（5）, chimney（6）, slurry heat exchanger（7）, cooling tower or heat pump（8）, slurries spray equipment
（9）, slurry circulating pump（10）And water-circulating pump（11）, boiler（1）Outlet flue and air-introduced machine（3）Air inlet connection, air inducing
Machine（3）Air outlet and flue（2）One end connection, flue（2）The other end and slurries spray equipment（9）Connection, spray dress
It sets（9）Air outlet and flue gas heat-exchange unit（5）Shell side side connection, flue gas heat-exchange unit（5）The shell side other side connect chimney
（6）, slurry heat exchanger（7）Liquid outlet connect slurries spray equipment（9）, slurry heat exchanger（7）By water pump by internal liquid
Body originally enters to slurries spray equipment（9）Inside, slurries spray equipment（9）Positioned at desulfurizing tower（4）Inside, flue gas heat-exchange unit（5）'s
Tube side connects heat pump（8）.
2. the system that wet flue gas desulfurization tower according to claim 1 eliminates white plume, it is characterised in that：The flue gas
Heat exchanger（5）Side connect shell side air inlet（16）, shell side air inlet（16）Inside and slurry heat exchanger（7）Inside connect
It is logical, flue gas heat-exchange unit（5）Other side connection shell side gas outlet（17）, shell side gas outlet（17）Inside and flue gas heat-exchange unit
（5）Inside connection, shell side gas outlet（17）Tube side include the first heat-transfer pipe（20）, spherical shell（21）With the second heat-transfer pipe
（30）, the first heat-transfer pipe（20）One end connect spherical shell（21）, spherical shell（21）Side connect the second heat-transfer pipe
（30）, the first heat-transfer pipe（20）Inside and the second heat-transfer pipe（30）Inside and spherical shell（21）Connection, the first heat transfer
Pipe（20）Central shaft and the second heat-transfer pipe（30）Central shaft both pass through spherical shell（21）The center of circle, the first heat-transfer pipe（20）
Central shaft and the second heat-transfer pipe（30）Central axis.
3. the system that wet flue gas desulfurization tower according to claim 2 eliminates white plume, it is characterised in that：The flue gas
Heat exchanger（5）Bottom several bearings are installed（19）.
4. the system that wet flue gas desulfurization tower according to claim 2 eliminates white plume, it is characterised in that：The shell side
Air inlet（16）Central shaft and shell side gas outlet（17）Central shaft be mutually parallel but not conllinear.
5. the system that wet flue gas desulfurization tower according to claim 2 eliminates white plume, it is characterised in that：The flue gas
Heat exchanger（5）Both sides be respectively mounted one heat transfer bobbin carriage（14）, the first heat-transfer pipe（20）Inside and the second heat-transfer pipe（30）'s
It is internal with heat transfer bobbin carriage（14）Inside connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732124.4U CN207941384U (en) | 2017-12-13 | 2017-12-13 | The system that wet flue gas desulfurization tower eliminates white plume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732124.4U CN207941384U (en) | 2017-12-13 | 2017-12-13 | The system that wet flue gas desulfurization tower eliminates white plume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207941384U true CN207941384U (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732124.4U Expired - Fee Related CN207941384U (en) | 2017-12-13 | 2017-12-13 | The system that wet flue gas desulfurization tower eliminates white plume |
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| Country | Link |
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| CN (1) | CN207941384U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189130A (en) * | 2018-10-18 | 2019-01-11 | 南京工业大学 | Method for adjusting white smoke plume of flue gas subjected to wet desulphurization by using control line |
| CN109772071A (en) * | 2019-03-21 | 2019-05-21 | 上海电力学院 | White plume based on upper spray upper air spray column eliminates system |
| CN109939557A (en) * | 2019-04-22 | 2019-06-28 | 山西华仁通电力科技有限公司 | The system and method for coloured plume are eliminated in collaboration |
| CN112138534A (en) * | 2019-06-27 | 2020-12-29 | 同方环境股份有限公司 | Desulfurization flue gas white elimination system |
| CN113181732A (en) * | 2021-04-25 | 2021-07-30 | 曹高博 | Flue gas processor of ice-net type high-temperature alloy smelting furnace |
-
2017
- 2017-12-13 CN CN201721732124.4U patent/CN207941384U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189130A (en) * | 2018-10-18 | 2019-01-11 | 南京工业大学 | Method for adjusting white smoke plume of flue gas subjected to wet desulphurization by using control line |
| WO2020077683A1 (en) * | 2018-10-18 | 2020-04-23 | 南京工业大学 | Method for using control line to regulate white plumes in flue gas after wet desulphurization |
| CN109772071A (en) * | 2019-03-21 | 2019-05-21 | 上海电力学院 | White plume based on upper spray upper air spray column eliminates system |
| CN109939557A (en) * | 2019-04-22 | 2019-06-28 | 山西华仁通电力科技有限公司 | The system and method for coloured plume are eliminated in collaboration |
| CN112138534A (en) * | 2019-06-27 | 2020-12-29 | 同方环境股份有限公司 | Desulfurization flue gas white elimination system |
| CN113181732A (en) * | 2021-04-25 | 2021-07-30 | 曹高博 | Flue gas processor of ice-net type high-temperature alloy smelting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181009 Termination date: 20191213 |