CN207751006U - A kind of wet flue gas heating device that wet desulphurization generates - Google Patents
A kind of wet flue gas heating device that wet desulphurization generates Download PDFInfo
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- CN207751006U CN207751006U CN201721882862.7U CN201721882862U CN207751006U CN 207751006 U CN207751006 U CN 207751006U CN 201721882862 U CN201721882862 U CN 201721882862U CN 207751006 U CN207751006 U CN 207751006U
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- flue gas
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- heat exchanger
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Abstract
The utility model discloses the wet flue gas heating devices that a kind of wet desulphurization generates, and are related to Wet Flue Gas Desulfurization Technique field.The wet flue gas heating device that a kind of wet desulphurization generates, including the gas-gas heat exchanger that is arranged on the high temperature flue gas pipeline between waste heat boiler and flue gas mixer, the flue gas mixer are arranged in chimney, and the lower part of chimney connects desulfurizing tower；The desulfurizing tower is sequentially connected waste heat boiler and gas-gas heat exchanger by the pipeline equipped with centrifugal blower；It is provided with silk screen distributor in the chimney of the flue gas mixer lower part, air blower is connected at the air intake of the gas-gas heat exchanger.The utility model reduces gaseous mixture humidity, realizes the purpose for eliminating chimney breast discharge of steam, and equipment cost and operating cost are low, and energy-saving and environmental protection, production safety are stablized.
Description
Technical field
The utility model is related to Wet Flue Gas Desulfurization Technique fields, and in particular to a kind of wet flue gas heating dress that wet desulphurization generates
It sets.
Background technology
Wet flue gas caused by wet desulphurization often will produce long cigarette tail, be up to number sometimes when being discharged from chimney
Kilometer will not all dissipate.The reason of forming this phenomenon is that the saturation wet flue gas generated after wet desulphurization device desulfurization goes out in chimney
When being discharged at mouthful, since environment temperature is less than wet flue gas temperature, wet flue gas supersaturation is to form a large amount of steam.Data show that
This steam is one of the reason of forming haze, its density is more than air, is difficult quickly to disappear in relatively quiet steady meteorological condition
It dissipates, and sinks in the region of chimney number kilometer, interact to form haze with dust from land surface, endanger environment.
Traditional flue gas reheat mode is to carry out plume rise, but there are increasing extent of temperature limited, reheating using GGH heat exchangers
Apparatus cost is high, easily corrodes the defect of damage.
In order to solve drawbacks described above of the existing technology, a kind of heating dress suitable for wet desulphurization wet flue gas is had developed
It sets.
Invention content
The purpose of this utility model is to provide a kind of wet flue gas heating device that wet desulphurization generates.
The utility model is achieved through the following technical solutions：
A kind of wet flue gas heating device that wet desulphurization generates, including be arranged between waste heat boiler and flue gas mixer
Gas-to-gas heat exchanger on high temperature flue gas pipeline, the flue gas mixer are arranged in chimney, and the lower part of chimney connects desulfurization
Tower；The desulfurizing tower is sequentially connected waste heat boiler and gas-to-gas heat exchanger by the pipeline equipped with centrifugal blower；The flue gas
It is provided with silk screen distributor in the chimney of mixer lower part, air blower is connected at the air intake of the gas-to-gas heat exchanger.
Further, the top of cooling tube bundle is provided with demister in the desulfurizing tower.
Cold inside the desulfurizing tower goes tube bank to connect to form cycle with cooling pond and cooling tower by pipeline.
The junction of the desulfurizing tower and chimney is provided with on-line computing model, the wherein company of high temperature flue gas pipeline and chimney
Interface is arranged on the chimney jambs on on-line detector top, the hot-air on-position sent from high temperature flue gas pipeline and mode,
It is the mode for selecting to enter after chimney on-Line Monitor Device and tangentially when hot-air accesses chimney, favourable gas mixes, and
Online gas-monitoring is not influenced.
At runtime, air at room temperature is blasted gas-to-gas heat exchanger to the utility model by air blower, and cold air exchanges heat in gas-gas
In device with heat smoke heat exchange be warming up to 120 DEG C or more, sent to silk screen distributor through hot air duct, flue gas heating mixer in
Wet flue gas mixing from desulfurizing tower is warming up to 90 DEG C or more and is discharged into air through chimney；And the flue gas after denitration exchanges heat through gas-gas
It is de- into demister after device, waste heat boiler, centrifugal blower, desulfurizing tower washing humidification desulfurization, then after cooling tube bundle cools down dehumidification
Water finally enters chimney and mixes heating with the hot wind from hot air duct.
Compared with prior art, the utility model has the following advantages：
（1）Traditional GGH reheat machines heating is limited, and cannot be adjusted according to atmospheric conditions and exhaust perception effect
Section, and a variety of atmospheric condition parameters can be incorporated to wind turbine by the utility model under the premise of not influencing whole smoke processing system
Control system is subject to chain control, to ensure that chimney does not emit steam；
（2）Wet type electricity demisting only eliminates the atomic droplet in saturation wet flue gas to greatest extent, although to inhibiting cigarette
Chimney floss hole emits steam and plays a role, but it cannot reduce the saturation degree of wet flue gas, cannot thoroughly solve chimney and emit
The problem of steam, and equipment manufacturing cost is very high, and the utility model is at low cost, can reduce the saturation degree of wet flue gas, effectively to solve
Certainly chimney emits the problem of steam；
（3）The utility model can direct intervention hot air condition parameter, realize wet desulphurization chimney do not emit steam completely
Target meets rigors of the people for environmental protection；
（4）Equipment cost is low, operating cost is also significantly lower than wet type electricity demisting.
In conclusion the utility model solves, traditional smoke reutilizer increasing extent of temperature is limited, reheat machine cost is high,
The problem for easily corroding damage, eliminating chimney outlet steaming effect difference reduces pending flue gas using gas-to-gas heat exchanger heat exchange
Temperature, the high temperature air displaced are sufficiently mixed with the low temperature saturation wet flue gas after spray washing again, reduce gaseous mixture humidity,
The purpose for eliminating chimney breast discharge of steam is realized, equipment cost and operating cost are low, and energy-saving and environmental protection, production safety are stablized.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1- air blowers；2- gas-to-gas heat exchangers；3- waste heat boilers；4- centrifugal blowers；5- desulfurizing towers；6- cooling tubes
Beam；7- demisters；8- silk screen distributors；9- flue gas mixers；10- cooling tube bundle circulating pumps；The cooling ponds 11-；12- cooling towers
Circulating pump；13- cooling towers；14- high temperature flue gas pipelines.
Specific implementation mode
The utility model is further detailed with reference to specific drawings and examples, it is to be understood that these
Embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Those skilled in the art are in this practicality
The various changes or modification that the utility model is made on novel foundation, should all equally fall within the scope of protection of the utility model it
It is interior.
The wet flue gas heating device that a kind of wet desulphurization as shown in Figure 1 generates, including be arranged in waste heat boiler 3 and flue gas
The gas-to-gas heat exchanger 2 on high temperature flue gas pipeline 14 between mixer 9, the flue gas mixer 9 are arranged in chimney, cigarette
The lower part of chimney connects desulfurizing tower 5；The desulfurizing tower 5 is sequentially connected 3 He of waste heat boiler by the pipeline equipped with centrifugal blower 4
Gas-to-gas heat exchanger 2；Silk screen distributor 8, gas-gas heat exchange are provided in the chimney of 9 lower part of flue gas mixer
Air blower 1 is connected at the air intake of device 2.
Wherein, cold that tube bank 6 is gone to pass through as shown in Figure 1, the top of cooling tube bundle 6 is provided with demister 7 in desulfurizing tower 5
Piping connection cooling pond 11 equipped with cooling tube bundle circulating pump 10 and cooling tower 13, cooling tower 13 are recycled by being equipped with cooling tower
The pipeline of pump 12 connect to form cycle with cooling pond；Wherein desulfurizing tower 5 and the junction of chimney is provided with on-line computing model,
High temperature flue gas pipeline 14 and the connector of chimney are arranged on the chimney jambs on on-line detector top.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (4)
1. the wet flue gas heating device that a kind of wet desulphurization generates, which is characterized in that mixed in waste heat boiler and flue gas including setting
The gas-to-gas heat exchanger on high temperature flue gas pipeline between clutch, the flue gas mixer are arranged in chimney, the lower part of chimney
Connect desulfurizing tower；The desulfurizing tower is sequentially connected waste heat boiler and gas-to-gas heat exchanger by the pipeline equipped with centrifugal blower；Institute
It is provided with silk screen distributor in the chimney for the flue gas mixer lower part stated, is connected at the air intake of the gas-to-gas heat exchanger
Air blower.
2. the wet flue gas heating device that a kind of wet desulphurization according to claim 1 generates, which is characterized in that the desulfurization
The top of cooling tube bundle is provided with demister in tower.
3. the wet flue gas heating device that a kind of wet desulphurization according to claim 1 or 2 generates, which is characterized in that described
Desulfurizing tower inside it is cold go tube bank connect to form cycle with cooling pond and cooling tower by pipeline.
4. the wet flue gas heating device that a kind of wet desulphurization according to claim 1 or 2 generates, which is characterized in that described
Desulfurizing tower and the junction of chimney be provided with on-line computing model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721882862.7U CN207751006U (en) | 2017-12-28 | 2017-12-28 | A kind of wet flue gas heating device that wet desulphurization generates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721882862.7U CN207751006U (en) | 2017-12-28 | 2017-12-28 | A kind of wet flue gas heating device that wet desulphurization generates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751006U true CN207751006U (en) | 2018-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721882862.7U Active CN207751006U (en) | 2017-12-28 | 2017-12-28 | A kind of wet flue gas heating device that wet desulphurization generates |
Country Status (1)
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| CN (1) | CN207751006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260914A (en) * | 2018-11-30 | 2019-01-25 | 山东华创节能环保科技有限公司 | A kind of flue gas using air circulation takes off white system and technique |
-
2017
- 2017-12-28 CN CN201721882862.7U patent/CN207751006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260914A (en) * | 2018-11-30 | 2019-01-25 | 山东华创节能环保科技有限公司 | A kind of flue gas using air circulation takes off white system and technique |
| CN109260914B (en) * | 2018-11-30 | 2024-01-30 | 山东华创节能环保科技有限公司 | Flue gas whitening system and process utilizing air circulation |
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