CN203525540U - Desulfurization denitration device using dew point temperature - Google Patents
Desulfurization denitration device using dew point temperature Download PDFInfo
- Publication number
- CN203525540U CN203525540U CN201320717560.XU CN201320717560U CN203525540U CN 203525540 U CN203525540 U CN 203525540U CN 201320717560 U CN201320717560 U CN 201320717560U CN 203525540 U CN203525540 U CN 203525540U
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- CN
- China
- Prior art keywords
- point temperature
- water
- dew
- condenser pipe
- desulphurization denitration
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Links
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 7
- 230000023556 desulfurization Effects 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003546 flue gas Substances 0.000 claims abstract description 22
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000005057 refrigeration Methods 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 abstract 3
- 238000009833 condensation Methods 0.000 abstract 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a desulfurization denitration device using dew point temperature and aims to provide a flue gas desulfurization denitration device which has the advantages of simplicity in manufacture, high degree of automation, safety in system control, energy conservation and environmental protection. The desulfurization denitration device comprises a dew point temperature capture tower, wherein a condensation pipe is arranged in the dew point temperature capture tower, and a flue gas inlet is formed in the lower side of the dew point temperature capture tower; a flue gas outlet formed in the top leads to a chimney, and the bottom leads to a sulfur dioxide aqueous solution collecting tank; the water inlet of the condensation pipe is connected with a cold water conveying device, and the water outlet of the condensation pipe is connected with a hot water collecting device.
Description
Technical field
The utility model is a kind of process unit that utilizes dew-point temperature desulphurization denitration, utilize the principle of dew-point temperature dewfall, under the blood coagulation enhancing effect of coagulant, absorb sulfur dioxide, nitrogen oxide in steel plant, coking plant, power-plant flue gas, collection obtains Aqueous Solution of Sulfur Dioxide, nitrous acid aqueous solution, makes content of sulfur dioxide in flue gas lower than 50mg/m
3below.Wherein Aqueous Solution of Sulfur Dioxide applies in the equipment that Aqueous Solution of Sulfur Dioxide aeration overflows sulfur dioxide.
Background technology
At present, flue gas desulfurization technique mainly contains lime stone one gypsum, lime one gypsum (accounting for more than 95%) etc.According to 12 requirements of plans of China, national sulfur dioxide annual emissions is 2,600 ten thousand tons.As use lime one gypsum desulfurization to need 1.32 hundred million tons, lime;
Lime calcining produces 6,200 ten thousand tons of carbon dioxide;
Produce 2.7 hundred million tons of chemical gypsums.
The carbon dioxide of discharge causes " greenhouse effects ", to environment, brings very large pressure; The chemical gypsum producing does not have value and more difficult, and landfill process is polluted soil body resource and polluted underground water.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of making is simple, and automaticity is high, control system safety, energy-conserving and environment-protective utilize dew-point temperature desulfuring and denitrifying apparatus.
For reaching above-mentioned purpose, a kind of device that utilizes dew-point temperature desulphurization denitration of the utility model, comprise dew-point temperature trapping tower, described dew-point temperature trapping tower inside is provided with condenser pipe, and downside is provided with smoke inlet, and top exhanst gas outlet leads to chimney, Aqueous Solution of Sulfur Dioxide feeder leads in bottom, described condenser pipe connects cold water conveying device, and described condenser pipe water inlet is connected with described cold water conveying device, and the draining of described condenser pipe delivery port is to collecting-tank.
Wherein said condenser pipe 360 degree crossings on different level parallel connections are placed in described dew-point temperature trapping tower.
Wherein said dew-point temperature trapping tower internal upper part is provided with shower humidification device, and described shower humidification device connects water delivery device.
The water supply installation that wherein said cold water conveying device and described hot water gathering-device are integrated, described water supply installation comprises water temperature regulating reservoir and refrigeration machine, described water temperature regulating reservoir delivery port connects described condenser pipe water inlet, described condenser pipe delivery port connects respectively refrigeration machine water inlet and described water temperature regulating reservoir water inlet, described refrigeration machine delivery port connects described water temperature regulating reservoir water inlet, and described water supply installation and described condenser pipe form water circulation system.
Wherein also comprise gas cooler, described gas cooler connects described smoke inlet, and described flue gas enters described temperature trapping tower by described smoke inlet after described gas cooler.
In the middle of wherein said gas cooler, be furnished with cold water pipe, described dew-point temperature trapping tower internal upper part is provided with shower humidification device, and described cold water pipe connects described shower humidification device by water pump.
Between wherein said chimney and the outlet of described dew-point temperature trapping tower flue gas, be provided with blower fan.
The utility model utilizes the device difference from prior art of dew-point temperature desulphurization denitration to be that the utility model obtained following technique effect:
1, the utility model utilizes the device of dew-point temperature desulphurization denitration can be widely applied to flue gas of sintering machine, the desulfurization of coke oven chimney exhaust gas of steel plant, the desulphurization denitration treatment process of power-plant flue gas, effectively alleviates the problems such as the energy that other treatment process cause, cost, environmental pollution.
2, the utility model obtains the aqueous solution of sulfur dioxide, and the processing technology through follow-up, can make sulfuric acid, realizes the twice laid of resource.
3, using device smoke treatment of the present utility model to cross the generation that there is no other pollutant, is that a kind of new type of safe of sulfur removal technology is efficient, the equipment of energy-conserving and environment-protective.
Below in conjunction with accompanying drawing, to the utility model, utilize the device of dew-point temperature desulphurization denitration to be described further.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model utilizes the device of dew-point temperature desulphurization denitration.
Description of reference numerals: 1-gas cooler; 2-cold water pipe; 3-water pump; 4-water temperature regulating reservoir; 5-refrigeration machine; 6-dew-point temperature trapping tower; 7-condenser pipe; 8-blower fan; 9-chimney; 10-Aqueous Solution of Sulfur Dioxide feeder; 11-shower humidification device.
The specific embodiment
Below in conjunction with drawings and Examples, to the utility model is above-mentioned, be described in more detail with other technical characterictic and advantage.
As shown in Figure 1, the utility model utilizes the device of dew-point temperature desulphurization denitration, comprise dew-point temperature trapping tower 6, dew-point temperature trapping tower 6 internal upper parts have shower humidification device 11, in dew-point temperature trapping tower 6, be positioned at shower humidification device 11 and have the condenser pipe 7 that 360 degree crossings on different level are arranged, water temperature regulating reservoir 4 delivery ports connect condenser pipe 7 water inlets, condenser pipe 7 delivery ports connect respectively refrigeration machine 5 water inlets and water temperature regulating reservoir 4 water inlets, refrigeration machine 5 delivery ports connect water temperature regulating reservoir 4 water inlets, refrigeration machine 5 will enter water temperature regulating reservoir 4 after the water-heating cooling in condenser pipe 7, with in condenser pipe 7, enter hot water in water temperature regulating reservoir 4 and be mixed to the cold water of uniform temperature pass into condenser pipe 7, dew-point temperature trapping tower 6 downside smoke inlet places are connected with gas cooler 1, described flue gas enters dew-point temperature trapping tower 6 through gas cooler 1 by described smoke inlet, gas cooler 1 outer surface is furnished with cold water pipe 2, for flue gas, tentatively lower the temperature, cold water pipe 2 connects shower humidification device 11 through water pump 3, dew-point temperature trapping tower 6 top exhanst gas outlets lead to chimney 9, between chimney 9 and dew-point temperature trapping tower 6, be provided with blower fan 8, keep the stable discharge of flue gas stream, Aqueous Solution of Sulfur Dioxide feeder 10 is led in dew-point temperature trapping tower 6 bottoms, the sulfur dioxide and the oxynitrides that for collecting the interior dewfall of dew-point temperature trapping tower 6, get off.
(main component is sulfur dioxide to the flue gas of 170 ℃, also containing a small amount of oxynitrides) pass into gas cooler 1, carry out heat exchange with the cold water of interior 22 ℃ of cold water pipe 2, flue gas is lowered to 80 ℃, temperature of cold water rises to 75 ℃, the flue gas of being lowered the temperature passes into dew-point temperature trapping tower 6, water in heated cold water pipe 2 is passed into shower humidification device 11 by water pump 3 and carries out shower humidification, after the cold water mix to 18 of 15 ℃ after the water that water temperature regulating reservoir 4 is interior 22 ℃ and refrigeration machine 5 refrigeration ℃, flow in the condenser pipe 7 in dew-point temperature trapping tower 6, sulfur dioxide after humidification spray in high-temperature flue gas and oxynitrides run into containing after the condenser pipe 7 of cold water under the effect of coagulant dewfall and drop onto dew-point temperature trapping tower 6 bottoms after flow into Aqueous Solution of Sulfur Dioxide feeder 10, obtain Aqueous Solution of Sulfur Dioxide, there is no the residual gas of dewfall and containing the flue gas of sulfur dioxide and oxynitrides, by blower fan 8, enter chimney 9 on a small quantity to discharge, finally discharged sulfureous in flue gas content is reduced to 50mg/m
3below, reach and lower than national discharge standard, after the water that condenser pipe 7 is interior 18 ℃ and flue gas heat exchange, be warming up to 50 ℃ of rear portions and flow into the interior refrigeration of refrigeration machine 5, another part enters in water temperature regulating reservoir 4, the water of 50 ℃ flow into water temperature regulating reservoir 4 and continues to flow in condenser pipe 7 with entering after water in water temperature regulating reservoir 4 is mixed to 18 ℃ after refrigeration machine 5 refrigeration, becomes a circulatory system.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (7)
1. a device that utilizes dew-point temperature desulphurization denitration, it is characterized in that: comprise dew-point temperature trapping tower, described dew-point temperature trapping tower inside is provided with condenser pipe, downside is provided with smoke inlet, top exhanst gas outlet leads to chimney, Aqueous Solution of Sulfur Dioxide feeder is led in bottom, and described condenser pipe water inlet is connected with cold water conveying device, and described condenser pipe delivery port is connected with hot water gathering-device.
2. the device that utilizes dew-point temperature desulphurization denitration according to claim 1, is characterized in that: described condenser pipe 360 degree crossings on different level parallel connections are placed in described dew-point temperature trapping tower.
3. the device that utilizes dew-point temperature desulphurization denitration according to claim 1, is characterized in that: described dew-point temperature trapping tower internal upper part is provided with shower humidification device, and described shower humidification device connects water delivery device.
4. the device that utilizes dew-point temperature desulphurization denitration according to claim 1, it is characterized in that: the water supply installation that described cold water conveying device and described hot water gathering-device are integrated, described water supply installation comprises water temperature regulating reservoir and refrigeration machine, described water temperature regulating reservoir delivery port connects described condenser pipe water inlet, described condenser pipe delivery port connects respectively refrigeration machine water inlet and described water temperature regulating reservoir water inlet, described refrigeration machine delivery port connects described water temperature regulating reservoir water inlet, and described water supply installation and described condenser pipe form water circulation system.
5. the device that utilizes dew-point temperature desulphurization denitration according to claim 1, it is characterized in that: also comprise gas cooler, described gas cooler connects described smoke inlet, and described flue gas enters described temperature trapping tower by described smoke inlet after described gas cooler.
6. the device that utilizes dew-point temperature desulphurization denitration according to claim 5, it is characterized in that: in the middle of described gas cooler, be furnished with cold water pipe, described dew-point temperature trapping tower internal upper part is provided with shower humidification device, and described cold water pipe connects described shower humidification device by water pump.
7. the device that utilizes dew-point temperature desulphurization denitration according to claim 1, is characterized in that: between described chimney and the outlet of described dew-point temperature trapping tower flue gas, be provided with blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717560.XU CN203525540U (en) | 2013-11-13 | 2013-11-13 | Desulfurization denitration device using dew point temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717560.XU CN203525540U (en) | 2013-11-13 | 2013-11-13 | Desulfurization denitration device using dew point temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203525540U true CN203525540U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717560.XU Expired - Fee Related CN203525540U (en) | 2013-11-13 | 2013-11-13 | Desulfurization denitration device using dew point temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203525540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585858A (en) * | 2013-11-13 | 2014-02-19 | 山西长林环保机械设备有限公司 | Flue gas desulfurization and denitration device |
| CN105771532A (en) * | 2016-04-26 | 2016-07-20 | 中冶南方工程技术有限公司 | Flue gas desulfurizer through condensation |
-
2013
- 2013-11-13 CN CN201320717560.XU patent/CN203525540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585858A (en) * | 2013-11-13 | 2014-02-19 | 山西长林环保机械设备有限公司 | Flue gas desulfurization and denitration device |
| CN103585858B (en) * | 2013-11-13 | 2015-08-26 | 山西长林环保机械设备有限公司 | A kind of device utilizing dew-point temperature desulphurization denitration |
| CN105771532A (en) * | 2016-04-26 | 2016-07-20 | 中冶南方工程技术有限公司 | Flue gas desulfurizer through condensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 |