CN204051419U - A kind of ammonia process technique desulfurizing tower - Google Patents
A kind of ammonia process technique desulfurizing tower Download PDFInfo
- Publication number
- CN204051419U CN204051419U CN201420458628.1U CN201420458628U CN204051419U CN 204051419 U CN204051419 U CN 204051419U CN 201420458628 U CN201420458628 U CN 201420458628U CN 204051419 U CN204051419 U CN 204051419U
- Authority
- CN
- China
- Prior art keywords
- cell body
- demister
- shower
- deduster
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of ammonia process technique desulfurizing tower, comprise prewashing column, spray absorber, deduster, first demister and the second demister, first cell body is installed bottom prewashing column, first shower is installed above the first cell body, first cell body is connected with the first shower by the first circulating pump, prewashing column upper end is connected with deduster, deduster has into mouth, prewashing column is connected with spray absorber by the first demister, spray-absorption tower bottom is provided with the second cell body, two showers are installed above the second cell body, second cell body is connected with the second shower by the second circulating pump, second demister is installed above the second shower, bottom second cell body, air inlet pipeline is installed, air inlet pipeline is connected with air pump and storage ammonia tank, first cell body is connected by the first infusion pump with the second cell body, spray-absorption top of tower is provided with exhaust opening.The utility model desulphurization reaction is more complete, and the utilization rate of absorbent is higher.
Description
[technical field]
The utility model relates to the technical field of desulfurizing tower, particularly a kind of technical field of ammonia process technique desulfurizing tower.
[background technology]
Sulfur dioxide affects larger gaseous contaminant in atmosphere pollution, has high risks to human body, environment and the ecosystem.Along with the increasingly stringent of environmental requirement, the problem of S02 discharge more and more receives publicity.Sulfur dioxide mainly stems from the combustion process of the fossil fuel such as coal, oil, and the roasting of ore, the fume emission of smelting process.Wherein various burning boiler particularly power plant boiler smoke evacuation there is the features such as concentration is low, exhaust gas volumn is large, floating dust is many and be difficult to administer.
Wet process of FGD is the main sulfur method that domestic and international thermal power plant adopts always, and for a long time, the desulfurization of calcium method occupies the main status of sulfur removal technology, but this is owned by France in " abandoning " technique, and its desulfurization product gypsum is piled up and easily caused secondary pollution.The ammonia process of desulfurization belongs to recovery process, and the alkalescence of ammonia is better than calcium-based desulfurizing agent, and it absorbs SO
2reaction be solution-air or gas-solid/liquid/gas reactions, compared to the gas-solid reaction of calcium-based desulfurizing agent, ammonia process of desulfurization speed is faster, and reaction is more complete, and the utilization rate of absorbent is higher.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of ammonia process technique desulfurizing tower is proposed, flue gas enters prewashing column after deduster, flow contact with the ammonium sulfate in the first cell body, flue gas is cooled to close to saturated dew-point temperature, ammonium sulfate is concentrated simultaneously, the heat of flue gas is fully utilized, thus avoid a large amount of consumption and the waste of energy, in spray absorber, dilute ammonium sulfate solution counter current contacting in flue gas and the second cell body, ammonium sulfate circulated sprinkling, air is blasted to make ammonium sulfite solution oxidation wherein in ammonium sulfate in the second cell body, ammonia tank provides ammonia to be converted into ammonium sulfate in order to impel ammonium hydrogen sulfate, ensure ejecting liquid SO
2absorbability.
For achieving the above object, the utility model proposes a kind of ammonia process technique desulfurizing tower, comprise prewashing column, spray absorber, deduster, first demister and the second demister, first cell body is installed bottom described prewashing column, first shower is installed above the first cell body, first cell body is connected with the first shower by the first circulating pump, prewashing column upper end is connected with deduster, deduster has into mouth, prewashing column is connected with spray absorber by the first demister, spray-absorption tower bottom is provided with the second cell body, two showers are installed above the second cell body, second cell body is connected with the second shower by the second circulating pump, second demister is installed above the second shower, bottom second cell body, air inlet pipeline is installed, air inlet pipeline is connected with air pump and storage ammonia tank, first cell body is connected by the first infusion pump with the second cell body, described spray-absorption top of tower is provided with exhaust opening.
As preferably, be provided with some corona wires in described deduster, described corona wire is provided with some pyramidal projections, and the center of pyramidal projections is provided with conical socket structure.
As preferably, prewashing column is connected with spray absorber by appendix by described first demister, and the setting height(from bottom) of appendix is less than the setting height(from bottom) of the second shower, is provided with S type passage in the second demister.
As preferably, also comprise centrifuge and drying machine, described first cell body is connected with drying machine with centrifuge successively by the second infusion pump.
As preferably, also comprise gas mixing device, described air inlet pipeline is communicated with one another by longitudinal passages and lateral duct and forms, and air inlet pipeline surface has some ventholes, gas mixing device one end is connected with air inlet pipeline, the gas mixing device other end and air pump with store up ammonia tank and be connected.
The beneficial effects of the utility model: in the utility model, flue gas enters prewashing column after deduster, flow contact with the ammonium sulfate in the first cell body, flue gas is cooled to close to saturated dew-point temperature, ammonium sulfate is concentrated simultaneously, the heat of flue gas is fully utilized, thus avoid a large amount of consumption and the waste of energy, in spray absorber, dilute ammonium sulfate solution counter current contacting in flue gas and the second cell body, ammonium sulfate circulated sprinkling, air is blasted to make ammonium sulfite solution oxidation wherein in ammonium sulfate in the second cell body, ammonia tank provides ammonia to be converted into ammonium sulfate in order to impel ammonium hydrogen sulfate, ensure ejecting liquid SO
2absorbability.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the front view of a kind of ammonia process technique of the utility model desulfurizing tower;
Fig. 2 is the main TV structure figure of the utility model deduster;
Fig. 3 is the main TV structure figure of the utility model second demister;
Fig. 4 is the plan structure figure of the utility model air inlet pipeline.
[detailed description of the invention]
Consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of ammonia process technique of the utility model desulfurizing tower, comprise prewashing column 1, spray absorber 2, deduster 3, first demister 41 and the second demister 42, first cell body 11 is installed bottom described prewashing column 1, first shower 12 is installed above first cell body 11, first cell body 11 is connected with the first shower 12 by the first circulating pump 13, prewashing column 1 upper end is connected with deduster 3, deduster have into mouth 31, prewashing column 1 is connected with spray absorber 2 by the first demister 41, second cell body 21 is installed bottom spray absorber 2, two showers 22 are installed above second cell body 21, second cell body 21 is connected with the second shower 22 by the second circulating pump 23, second demister 42 is installed above second shower 22, bottom second cell body 21, air inlet pipeline 5 is installed, air inlet pipeline 5 is connected with air pump 6 and storage ammonia tank 7, first cell body 11 is connected by the first infusion pump 81 with the second cell body 21, described spray absorber 2 top is provided with exhaust opening 24.
In described deduster 3, some corona wires 32 are installed, described corona wire 32 is provided with some pyramidal projections 33, the center of pyramidal projections 33 is provided with conical socket structure 34, prewashing column 1 is connected with spray absorber 2 by appendix 43 by described first demister 41, the setting height(from bottom) of appendix 43 is less than the setting height(from bottom) of the second shower 22, S type passage 44 is provided with in second demister 42, also comprise centrifuge 91 and drying machine 92, described first cell body 11 is connected with drying machine 92 with centrifuge 91 successively by the second infusion pump 82, also comprise gas mixing device 10, described air inlet pipeline 5 is communicated with one another by longitudinal passages 51 and lateral duct 52 and forms, air inlet pipeline 5 surface has some ventholes 53, gas mixing device 10 one end is connected with air inlet pipeline 5, gas mixing device 10 other end and air pump 6 with store up ammonia tank 7 and be connected.
Utility model works process:
A kind of ammonia process technique of the utility model desulfurizing tower in the course of the work, flue gas enters prewashing column 1 after deduster 3, flow contact with the ammonium sulfate in the first cell body 11, flue gas is cooled to close to saturated dew-point temperature, ammonium sulfate is concentrated simultaneously, the heat of flue gas is fully utilized, thus avoid a large amount of consumption and the waste of energy, in spray absorber 2, dilute ammonium sulfate solution counter current contacting in flue gas and the second cell body 21, ammonium sulfate circulated sprinkling, air is blasted to make ammonium sulfite solution oxidation wherein by air pump 6 in ammonium sulfate in the second cell body 21, ammonia tank 7 provides ammonia to be converted into ammonium sulfate in order to impel ammonium hydrogen sulfate, ensure ejecting liquid SO
2absorbability, clean flue gas is discharged by exhaust opening 24 after the second demister 42.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. an ammonia process technique desulfurizing tower, it is characterized in that: comprise prewashing column (1), spray absorber (2), deduster (3), first demister (41) and the second demister (42), described prewashing column (1) bottom is provided with the first cell body (11), first cell body (11) top is provided with the first shower (12), first cell body (11) is connected with the first shower (12) by the first circulating pump (13), prewashing column (1) upper end is connected with deduster (3), deduster have into mouth (31), prewashing column (1) is connected with spray absorber (2) by the first demister (41), spray absorber (2) bottom is provided with the second cell body (21), second cell body (21) top is provided with two showers (22), second cell body (21) is connected with the second shower (22) by the second circulating pump (23), second shower (22) top is provided with the second demister (42), second cell body (21) bottom is provided with air inlet pipeline (5), air inlet pipeline (5) is connected with air pump (6) and storage ammonia tank (7), first cell body (11) is connected by the first infusion pump (81) with the second cell body (21), described spray absorber (2) top is provided with exhaust opening (24).
2. a kind of ammonia process technique desulfurizing tower as claimed in claim 1, it is characterized in that: some corona wires (32) are installed in described deduster (3), described corona wire (32) is provided with some pyramidal projections (33), and the center of pyramidal projections (33) is provided with conical socket structure (34).
3. a kind of ammonia process technique desulfurizing tower as claimed in claim 1, it is characterized in that: prewashing column (1) is connected with spray absorber (2) by appendix (43) by described first demister (41), the setting height(from bottom) of appendix (43) is less than the setting height(from bottom) of the second shower (22), and the second demister is provided with S type passage (44) in (42).
4. a kind of ammonia process technique desulfurizing tower as claimed in claim 1, it is characterized in that: also comprise centrifuge (91) and drying machine (92), described first cell body (11) is connected with drying machine (92) with centrifuge (91) successively by the second infusion pump (82).
5. a kind of ammonia process technique desulfurizing tower as claimed in claim 1, it is characterized in that: also comprise gas mixing device (10), described air inlet pipeline (5) is communicated with one another by longitudinal passages (51) and lateral duct (52) and forms, air inlet pipeline (5) surface has some ventholes (53), gas mixing device (10) one end is connected with air inlet pipeline (5), gas mixing device (10) other end and air pump (6) with store up ammonia tank (7) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458628.1U CN204051419U (en) | 2014-08-14 | 2014-08-14 | A kind of ammonia process technique desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458628.1U CN204051419U (en) | 2014-08-14 | 2014-08-14 | A kind of ammonia process technique desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204051419U true CN204051419U (en) | 2014-12-31 |
Family
ID=52193013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458628.1U Expired - Fee Related CN204051419U (en) | 2014-08-14 | 2014-08-14 | A kind of ammonia process technique desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204051419U (en) |
-
2014
- 2014-08-14 CN CN201420458628.1U patent/CN204051419U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104906937A (en) | Flue gas desulfurization and denitrification device and method of coal fired boiler | |
| CN204933142U (en) | A kind of pipeline pretreatment unit of desulphurization system | |
| CN202823151U (en) | Multistage spray efficient wet process of flue gas desulfurization and synergistic mercury removal integrated device | |
| CN201295592Y (en) | Desulfurizer device integrating ammonia absorption and electric defogging | |
| CN105854551A (en) | Double-alkali double-circulation desulfurization absorption system and method | |
| CN205672756U (en) | A kind of double tower Two-way Cycle lime stone gypsum wet flue gas desulfurizing device | |
| CN104190228B (en) | A kind of composite efficient energy-saving ammonia process desulfuration tower | |
| CN203725021U (en) | Efficient integrated desulfurizing, dedusting and demisting device | |
| CN204134462U (en) | A kind of ammonia process deep oxidation desulfurization tower | |
| CN205796820U (en) | A kind of desulfurating dust-removing equipment | |
| CN204193768U (en) | A kind of composite efficient energy-saving ammonia process desulfuration tower | |
| CN103691295A (en) | Horizontal semi-dry process desulfurization device of flue at tail part of boiler | |
| CN206253002U (en) | Flue gas desulfurization and dedusting scatters tower | |
| CN103203182B (en) | Flue gas combined desulfurization denitration demercuration device and method | |
| CN205550020U (en) | Wet flue gas desulfurization dust collector | |
| CN204502771U (en) | Boiler smoke horizontal type level desulfurizing tower | |
| CN201930707U (en) | Flue gas desulphurization device | |
| CN204051419U (en) | A kind of ammonia process technique desulfurizing tower | |
| CN109304080B (en) | Ultralow SO 2 Exhaust semi-dry circulating fluidized bed flue gas desulfurization system | |
| CN207324462U (en) | A kind of three wastes boiler ammonia method desulfurizing system | |
| CN205850546U (en) | Double alkali double circulation desulphurization absorption systems | |
| CN204051420U (en) | A kind of multistage compound ammonia process desulfuration tower | |
| CN205127725U (en) | Novel reducing desulfurization absorption tower | |
| CN204034551U (en) | A kind of flue gas desulfurization device | |
| CN203355606U (en) | Cyclone separator desulfurizer |
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: 20141231 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |