CN209917589U - Smoke whitening device - Google Patents
Smoke whitening device Download PDFInfo
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- CN209917589U CN209917589U CN201920094554.0U CN201920094554U CN209917589U CN 209917589 U CN209917589 U CN 209917589U CN 201920094554 U CN201920094554 U CN 201920094554U CN 209917589 U CN209917589 U CN 209917589U
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Abstract
The utility model provides a flue gas takes off white device, include absorption tower, condenser, defroster, hot-blast turbulator, chimney that set gradually according to the flue gas flow direction, still include the hot-blast furnace that links to each other with hot-blast turbulator, the export flue of absorption tower is connected with the condenser, the condenser passes through the defroster and links to each other with the hot-blast turbulator that is used for heating the flue gas, the hot-blast furnace provides the heat source for hot-blast turbulator through chemical fuel combustion, hot-blast turbulator makes it overheated with the saturated wet flue gas direct contact heat transfer of condenser export high temperature that the hot-blast furnace produced, the chimney is used for discharging overheated flue gas, the utility model discloses a mode of heating reaches the environmental protection requirement of taking off white after the condensation earlier.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a wet flue gas "takes off white" technical field, especially a flue gas takes off white device.
[ background of the invention ]
At present, most domestic desulfurization adopts wet desulfurization, the wet desulfurization is to absorb acidic substances in flue gas through a large amount of slurry so as to achieve the purpose of removing pollutants, the flue gas is discharged from a chimney in the form of saturated wet flue gas after being washed, the temperature of the flue gas at the outlet of the wet desulfurization is generally between 50 and 60 ℃, when the hot saturated wet flue gas contacts ambient air, the flue gas is cooled, and water vapor in the flue gas is separated out in the form of fog drops to form a large amount of white smoke plumes. In order to eliminate the visual pollution of white smoke plume and further deepen the removal of pollutants, national and local governments have successively issued policy documents of smoke whitening to require the elimination of the visual pollution of white smoke plume, and enterprises in various regions actively respond to the calls of the nation and the government to strive for 'smokeless factories'
At present, the whitening technology mainly comprises one or more combined forms of condensation, cooling and heating, the condensation technology is generally adopted in northern areas, the MGGH technology or MGGH + condensation technology is generally adopted in southern areas, the condensation is divided into flue gas condensation and slurry condensation, and the cooling and heating are generally in the form of MGGH or heat source heating, however, the prior art has the following defects:
the thick liquid condensation is through reducing the thick liquid temperature that the absorption tower sprayed to reach the purpose of cooling flue gas, though thick liquid condensation system is simple, and disposable investment is low, there is the problem of thick liquid heat exchanger wearing and tearing and leakage, influences the stability of system, and the water of the condensation in the flue gas directly gets into the thick liquid simultaneously, can't carry out recycle.
Flue gas condensation can adopt two kinds of forms of heat exchanger condensation and spray condensation, adopts the form of heat exchanger mostly, adopts fluoroplastics or steel pipe heat exchanger, and fluoroplastics heat exchanger one-time investment is big, arranges the form singlely, and steel pipe heat exchanger life is short, appears corroding easily the phenomenon.
The MGGH is mostly adopted for flue gas heating, heating medium water is used as a medium, a flue gas cooler and a flue gas heater form a closed cycle, but under some special conditions or other conditions that the MGGH is not adopted, an additional heat source is required to be adopted for heating the flue gas, so that the white-removing requirement is met.
[ Utility model ] content
The utility model aims at solving the problems in the prior art and providing a smoke whitening device, which can meet the environmental protection requirement of smoke whitening.
For realizing the above-mentioned purpose, the utility model provides a flue gas takes off white device, include absorption tower, condenser, defroster, hot-blast turbulator, the chimney that sets gradually according to the flue gas flow direction, still include the hot-blast furnace that links to each other with hot-blast turbulator, the export flue of absorption tower is connected with the condenser, the condenser passes through the defroster and links to each other with the hot-blast turbulator that is used for heating the flue gas, the hot-blast furnace provides the heat source for hot-blast turbulator through the chemical fuel burning, hot-blast turbulator makes it overheated with the saturated wet flue gas direct contact heat transfer of the high temperature that the hot-blast furnace produced and condenser export, the chimney is used for discharging overheated flue gas.
Preferably, the condenser is a fluoroplastic steel condenser.
Preferably, the hot air turbulator and the saturated wet flue gas at the outlet of the condenser exchange heat in a direct contact mode.
Preferably, the hot blast stove uses chemical fuel to burn to generate high-temperature flue gas, and the chemical fuel comprises solid fuel, liquid fuel and gas fuel.
Preferably, the upper end of the condenser is provided with a cooling water inlet communicated with the condensing pipeline, and the lower end of the condenser is provided with a cooling water outlet communicated with the condensing pipeline.
The utility model has the advantages that: the utility model discloses a cooperation of absorption tower, condenser, defroster, hot-blast turbulator, chimney, hot-blast furnace etc. the condenser is arranged in the desulfurizing tower export, and the condenser adopts the fluoroplastic steel condenser, and the flue gas after the condensation heats again, adopts the chemical fuel burning to produce thermal mode and carries out direct contact heat transfer to the flue gas, makes the flue gas temperature rise, reaches the environmental protection requirement of taking off white.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a smoke whitening device of the present invention.
[ detailed description ] embodiments
Refer to fig. 1 the utility model relates to a flue gas white-removing device, include absorption tower 1, condenser 2, defroster 3, hot-blast turbulator 4, chimney 6 that set gradually according to the flue gas flow direction, still include the hot-blast furnace 5 that links to each other with hot-blast turbulator 4, the outlet flue of absorption tower 1 is connected with condenser 2, condenser 2 passes through defroster 3 and links to each other with hot-blast turbulator 4 that is used for heating the flue gas, hot-blast furnace 5 provides the heat source for hot-blast turbulator 4 through the chemical fuel burning, hot-blast turbulator 4 makes it overheated with the saturated wet flue gas contact heat transfer of the high temperature that hot-blast furnace 5 produced and the export of condenser 2, chimney 6 is used for discharging the overheated flue gas that hot-blast turbulator 4 produced. The condenser 2 adopts a fluoroplastic steel condenser, and has the advantages of a steel pipe heat exchanger and strong corrosion resistance. The hot air turbulator 4 and the wet flue gas at the outlet of the condenser 2 adopt direct contact type heat exchange, so that the heat exchange efficiency is high, the heat loss is small, and the equipment is relatively simple. The hot blast stove 5 adopts chemical fuel to burn to generate high-temperature flue gas, and the chemical fuel comprises solid fuel, liquid fuel and gas fuel. The upper end of the condenser 2 is provided with a cooling water inlet communicated with the condensing pipeline, and the lower end of the condenser is provided with a cooling water outlet communicated with the condensing pipeline.
The utility model discloses the working process:
the utility model relates to a flue gas takes off white device, absorption tower 1 discharges former flue gas to condenser 2 from the export flue, the flue gas after the condensation heats again, hot-blast furnace 5 produces the high temperature flue gas through the chemical fuel burning and is the heat supply of hot-blast turbulator 4, the wet flue gas direct contact heat transfer of saturation of high temperature directness and 2 exports of condenser, it is overheated to make it overheated, thereby reach the purpose of taking off white, overheated flue gas finally discharges through chimney 6, reach the environmental protection requirement of taking off white, wherein condenser 2 adopts the fluorine plastic steel condenser, both possess steel pipe heat exchanger's advantage, possess very strong corrosion resistance again, the hot-blast direct contact heat transfer is adopted in the flue gas heating, heat exchange efficiency is high, the heat loss is little, equipment is also relatively simple.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. The utility model provides a flue gas takes off white device which characterized in that: include absorption tower (1), condenser (2), defroster (3), hot-blast turbulator (4), chimney (6) that set gradually according to the flue gas flow direction, still include and link to each other hot-blast furnace (5) with hot-blast turbulator (4), the outlet flue of absorption tower (1) is connected with condenser (2), condenser (2) link to each other with hot-blast turbulator (4) that are used for heating the flue gas through defroster (3), hot-blast furnace (5) provide the heat source for hot-blast turbulator (4) through chemical fuel burning, hot-blast turbulator (4) make it overheated with the high temperature that hot-blast furnace (5) produced and the saturated wet flue gas heat transfer of condenser (2) export, chimney (6) are used for discharging the overheated flue gas that hot-blast turbulator (4) produced.
2. The flue gas whitening apparatus as claimed in claim 1, wherein: the condenser (2) is a fluoroplastic steel condenser.
3. The flue gas whitening apparatus as claimed in claim 1, wherein: and the hot air turbulator (4) and saturated wet flue gas at the outlet of the condenser (2) adopt direct contact type heat exchange.
4. The flue gas whitening apparatus as claimed in claim 1, wherein: the hot blast stove (5) adopts chemical fuel to burn to generate high-temperature flue gas, and the chemical fuel comprises solid fuel, liquid fuel and gas fuel.
5. The flue gas whitening apparatus as claimed in claim 1, wherein: the upper end of the condenser (2) is provided with a cooling water inlet communicated with the condensing pipeline, and the lower end of the condenser is provided with a cooling water outlet communicated with the condensing pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094554.0U CN209917589U (en) | 2019-01-21 | 2019-01-21 | Smoke whitening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094554.0U CN209917589U (en) | 2019-01-21 | 2019-01-21 | Smoke whitening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209917589U true CN209917589U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920094554.0U Active CN209917589U (en) | 2019-01-21 | 2019-01-21 | Smoke whitening device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794144A (en) * | 2019-01-21 | 2019-05-24 | 浙江菲达环保科技股份有限公司 | A kind of flue gas takes off white device |
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2019
- 2019-01-21 CN CN201920094554.0U patent/CN209917589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794144A (en) * | 2019-01-21 | 2019-05-24 | 浙江菲达环保科技股份有限公司 | A kind of flue gas takes off white device |
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