CN205084606U - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
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- CN205084606U CN205084606U CN201520738383.2U CN201520738383U CN205084606U CN 205084606 U CN205084606 U CN 205084606U CN 201520738383 U CN201520738383 U CN 201520738383U CN 205084606 U CN205084606 U CN 205084606U
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- Prior art keywords
- flue gas
- demister
- digester
- pipe
- gas desulfur
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Abstract
The utility model discloses a flue gas desulfurization device, it includes admission line and digester, the admission line is located the lower part of digester the middle part of digester is provided with aqueous ammonia atomizer the top of digester is provided with the fume emission mouth still be provided with defogging device and desulphurization catalyst board in the digester, the defogging unit bit in aqueous ammonia atomizer top, the desulphurization catalyst board is located defogging device top is provided with the fume emission mouth in the top of desulphurization catalyst board. The utility model discloses a flue gas desulfurization device, it is more thorough to have a desulfurization, advantages such as the by -product is recoverable, no secondary pollution.
Description
Technical field
The utility model relates to flue gas desulfurization technique field, particularly relates to a kind of flue gas desulfur device.
Background technology
Coal and oil are the main energy sources in industrial production and daily life, but it in use can produce certain oxysulfide, it is directly discharged in air can cause serious pollution to environment, such as, form large-area acid rain or acid particles sedimentation, cause the destruction of ecological environment.Along with day by day feeling famished of environment, the environmental consciousness of people is strengthened gradually, becomes the outer study hotspot both domestic and external of Present Domestic to the research and development of the desulfur technology of flue gas.In flue gas desulfurization technique, common technology has ammonia liquor neutralization process, passes in moisture spray chamber and reacts, and then discharge in air by flue gas after dedusting.Then, independent ammonia liquor neutralization process can not remove the oxysulfide in flue gas completely, and the ammoniacal liquor after partly atomized is discharged in air by being mixed in the flue gas after desulfurization, causes secondary pollution to environment.
Utility model content
It is not thorough that the utility model is intended to solve ammonia liquor neutralization process of the prior art, and the ammoniacal liquor after atomization can cause a difficult problem for secondary pollution, provides a kind of novel flue gas desulfur device.
In order to achieve the above object, the utility model have employed following technical scheme:
A kind of flue gas desulfur device, it comprises admission line and digester, described admission line is positioned at the bottom of described digester, the middle part of described digester is provided with ammonia atomization shower nozzle, the top of described digester is provided with fume emission mouth, demister and desulphurization catalyst plate is also provided with in described digester, described demister is positioned at above described ammonia atomization shower nozzle, described desulphurization catalyst plate is positioned at above described demister, is provided with fume emission mouth above desulphurization catalyst plate.
As the technical scheme that the utility model improves, described demister is charcoal absorption plate.Preferably, described charcoal absorption plate is the curved surface to lower convexity.
As the technical scheme that the utility model improves further, described demister also comprises pre-demister, described pre-demister is formed primarily of pipe arranged in parallel, and described pipe favours horizontal plane and is arranged between ammonia atomization shower nozzle and charcoal absorption plate.Preferably, the angle between described pipe and horizontal plane is between 10 ° ~ 60 °.Preferably, the spacing between described adjacent pipe is between 20 millimeters to 100 millimeters.
As the technical scheme that the utility model improves, described desulphurization catalyst plate is the three-dimensional honeycomb ceramic network that load has at least one element in praseodymium, lanthanum, cerium, nickel, zinc, titanium or its compound.
As the technical scheme that the utility model another kind improves, described desulphurization catalyst plate is the activated carbon fiber plate that load has praseodymium oxide 2% ~ 10%, nickel oxide 1% ~ 5%, titanium oxide 2% ~ 8% and zinc oxide 2% ~ 8%.
As the technical scheme that the utility model improves, described ammonia atomization shower nozzle is multiple, is distributed between smoke inlet pipe road and demister.Further, the bottom of described digester is connected with thiamines acid storage tank, it also comprises ammonia circulation device, described ammonia circulation device comprises circulating pump and water-supply-pipe, described water-supply-pipe connects described thiamines acid storage tank and described ammonia atomization shower nozzle, described circulating pump is positioned at one end of described water-supply-pipe next-door neighbour thiamines acid storage tank, for being drawn back in described ammonia atomization shower nozzle by the liquid in thiamines acid storage tank.
Beneficial effect
Compared with existing flue gas desulfur device, flue gas desulfur device of the present utility model, owing to adding desulphurization catalyst plate, makes the desulfurized effect of device more thorough.Demister is provided with between ammonia neutralization room and desulphurization catalyst plate, effectively prevent after ammonia atomization along with fume emission is in air, cause secondary pollution, and can prevent from ammoniacal liquor from entering in desulphurization catalyst plate causing the active material in desulphurization catalyst plate poisoning, the long service life of desulphurization catalyst plate, catalytic efficiency is high.The setting of thiamines acid storage tank and ammonia circulation device, can make the oxysulfide in ammoniacal liquor and flue gas react more fully, strengthens the concentration of thiamines acid in thiamines acid storage tank, reduces time and the cost of thiamines acid recovery process.
Accompanying drawing explanation
Fig. 1 is flue gas desulfur device of the present utility model;
Fig. 2 is pre-demister of the present utility model;
Fig. 3 is wherein a kind of desulphurization catalyst plate of the present utility model;
Fig. 4 is another kind of desulphurization catalyst plate of the present utility model.
Detailed description of the invention
As shown in Figure 1, flue gas desulfur device of the present utility model, mainly comprise admission line 1 and digester 2, admission line 1 is positioned at the bottom of digester 2, for inputting flue gas in digester 2.The middle part of digester 2 is provided with ammonia atomization shower nozzle 4, demister (5 is provided with above ammonia atomization shower nozzle 4,6), at demister (5,6) top is provided with desulphurization catalyst plate 7, above desulphurization catalyst plate 7, be provided with fume emission mouth 8, described fume emission mouth 8 is preferably placed at the top of digester 2.
Demister (5,6) is charcoal absorption plate 6, and its shape preferably has the curved surface to lower convexity.Charcoal absorption plate 6 can absorb ammonia in flue gas and part steam, reaches good in fog effect.It can increase the adsorption area of charcoal absorption plate 6 to the curved-surface structure of lower convexity, strengthens demisting efficiency.
Between ammonia atomization shower nozzle 4 and charcoal absorption plate 6, be also provided with pre-demister 5, as shown in Figure 2, it is formed primarily of pipe arranged in parallel pre-demister 5, and pipe favours horizontal plane and arranges.Preferably, the angle between pipe and horizontal plane is between 10 ° ~ 60 °.Preferably, the spacing between adjacent pipe is between 20 millimeters to 100 millimeters.Carry the flue gas of droplet when through pre-demister 5, a part of drop that diameter is relatively large and droplet and circular tube external wall collide and stick on the outer wall of pipe, and then be accumulated into water droplet, dirty fast along the pipe tilted under gravity, thus effectively reduce the demist pressure of charcoal absorption plate 6, improve demisting efficiency.
Desulphurization catalyst plate 7 has the three-dimensional honeycomb ceramic network 11 of at least one element in praseodymium, lanthanum, cerium, nickel, zinc, titanium or its compound for load, as shown in Figure 3; Desulphurization catalyst plate 7 also can have the activated carbon fiber plate 12 of praseodymium oxide 2% ~ 10%, nickel oxide 1% ~ 5%, titanium oxide 2% ~ 8% and zinc oxide 2% ~ 8% for load, as shown in Figure 4.Above-mentioned two kinds of desulphurization catalyst plates 7 all have higher specific area, have good suction-operated to the oxysulfide in flue gas, and the active material of load on it can react by the residual sulfur oxide further in catalysis flue gas, reaches good desulfurized effect.And the flue gas after demister (5,6) process, owing to there is no the interference of the impurity such as ammonia, steam, the stable in catalytic performance of catalyst, long service life.
The bottom of digester 2 is connected with thiamines acid storage tank 3.The thiamines acid of producing after thiamines acid storage tank 3 can collect reaction, is convenient to direct recycling.
In order to increase the reaction rate of ammoniacal liquor, described ammonia atomization shower nozzle 4 is multiple, is distributed between smoke inlet pipe road 1 and demister (5,6).
Flue gas desulfur device also comprises ammonia circulation device, ammonia circulation device comprises water-supply-pipe 9 and circulating pump 10, water-supply-pipe 9 connects thiamines acid storage tank 3 and ammonia atomization shower nozzle 4, circulating pump 10 is positioned at one end that water-supply-pipe 9 is close to thiamines acid storage tank 3, for being drawn back in ammonia atomization shower nozzle 4 by the liquid in thiamines acid storage tank 3.Because ammoniacal liquor is recycled, the thiamines acid concentration in thiamines acid storage tank 3 increases greatly, and the thiamines acid of generation can directly be recycled, and post processing cost is low, consuming time short.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a flue gas desulfur device, it comprises admission line and digester, described admission line is positioned at the bottom of described digester, the middle part of described digester is provided with ammonia atomization shower nozzle, the top of described digester is provided with fume emission mouth, it is characterized in that: in described digester, be also provided with demister and desulphurization catalyst plate, described demister is positioned at above described ammonia atomization shower nozzle, described desulphurization catalyst plate is positioned at above described demister, is provided with fume emission mouth above desulphurization catalyst plate.
2. flue gas desulfur device according to claim 1, is characterized in that: described demister is charcoal absorption plate.
3. flue gas desulfur device according to claim 2, is characterized in that: described charcoal absorption plate is the curved surface to lower convexity.
4. the flue gas desulfur device according to Claims 2 or 3, it is characterized in that: described demister also comprises pre-demister, described pre-demister is formed primarily of pipe arranged in parallel, and described pipe favours horizontal plane and is arranged between ammonia atomization shower nozzle and charcoal absorption plate.
5. flue gas desulfur device according to claim 4, is characterized in that: the angle between described pipe and horizontal plane is between 10 ° ~ 60 °.
6. flue gas desulfur device according to claim 4, is characterized in that: the spacing between described adjacent pipe is between 20 millimeters to 100 millimeters.
7. the flue gas desulfur device according to any one of claim 1-3, is characterized in that: described desulphurization catalyst plate is the three-dimensional honeycomb ceramic network that load has at least one element in praseodymium, lanthanum, cerium, nickel, zinc, titanium or its compound.
8. the flue gas desulfur device according to any one of claim 1-3, is characterized in that: described desulphurization catalyst plate is the activated carbon fiber plate that load has praseodymium oxide 2% ~ 10%, nickel oxide 1% ~ 5%, titanium oxide 2% ~ 8% and zinc oxide 2% ~ 8%.
9. the flue gas desulfur device according to any one of claim 1-3, is characterized in that: described ammonia atomization shower nozzle is multiple, is distributed between smoke inlet pipe road and demister.
10. flue gas desulfur device according to claim 9, it is characterized in that: the bottom of described digester is connected with thiamines acid storage tank, it also comprises ammonia circulation device, described ammonia circulation device comprises circulating pump and water-supply-pipe, described water-supply-pipe connects described thiamines acid storage tank and described ammonia atomization shower nozzle, described circulating pump is positioned at one end of described water-supply-pipe next-door neighbour thiamines acid storage tank, for being drawn back in described ammonia atomization shower nozzle by the liquid in thiamines acid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738383.2U CN205084606U (en) | 2015-09-23 | 2015-09-23 | Flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738383.2U CN205084606U (en) | 2015-09-23 | 2015-09-23 | Flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205084606U true CN205084606U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520738383.2U Expired - Fee Related CN205084606U (en) | 2015-09-23 | 2015-09-23 | Flue gas desulfurization device |
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| CN (1) | CN205084606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126385A (en) * | 2018-09-20 | 2019-01-04 | 昌吉学院 | The processing method of Sulphur ressource in a kind of ammonia process of desulfurization rich solution |
-
2015
- 2015-09-23 CN CN201520738383.2U patent/CN205084606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126385A (en) * | 2018-09-20 | 2019-01-04 | 昌吉学院 | The processing method of Sulphur ressource in a kind of ammonia process of desulfurization rich solution |
| CN109126385B (en) * | 2018-09-20 | 2021-04-06 | 昌吉学院 | Treatment method for recycling sulfur in ammonia desulphurization pregnant solution |
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| 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: 20160316 Termination date: 20170923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |