CN204684944U - A kind of marine exhaust desulphurization denitration integrated purification device - Google Patents
A kind of marine exhaust desulphurization denitration integrated purification device Download PDFInfo
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- CN204684944U CN204684944U CN201520424930.XU CN201520424930U CN204684944U CN 204684944 U CN204684944 U CN 204684944U CN 201520424930 U CN201520424930 U CN 201520424930U CN 204684944 U CN204684944 U CN 204684944U
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- Prior art keywords
- desulphurization denitration
- marine exhaust
- forced oxidation
- purification device
- advection
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Abstract
The utility model discloses a kind of marine exhaust desulphurization denitration integrated purification device, comprise gas approach passage, pre-duster, forced oxidation device, oxidant feedway, advection denitration desulfurizer and neat stress flue, wherein, gas approach passage, pre-duster, forced oxidation device, advection denitration desulfurizer and neat stress flue are communicated with successively, and described oxidant feedway is communicated with forced oxidation device.Marine exhaust desulphurization denitration purification integrating device of the present utility model, by pre-dedusting, then waste gas is desulphurization denitration clean-up stage through ozone forced oxidation section and seawater advection desulfurizing dust-collector, and highly integrated, system ensure that the denitrification efficiency being greater than 90%; In addition, ozone forced oxidation section only distributed playpipe, and seawater advection desulfurizing dust-collector have employed advection and arranges, reduces device height, and does not substantially have resistance, make the resistance of whole system be less than 1000Pa.
Description
Technical field
The utility model belongs to industrial waste gas purifying environmental technology field, particularly a kind of marine exhaust desulphurization denitration integrated purification device.
Background technology
China is " world's factory ", and be that the world's second largest imports and exports state, demand of therefore transporting by sea is large, and the quantity of stopping the ships that transports such as the bulk freighter at China harbour, container ship and oil carrier is large, thus causes boats and ships Air Pollutant Emission total amount also very large.Boats and ships discharge atmosphere pollution is mainly oxysulfide, nitrogen oxide, particle and carbon dioxide, and front 3 kinds of gases are air primary pollution source, and carbon dioxide then belongs to greenhouse gases.
Affect the factor of boats and ships Air Pollutant Emission, except ship form design, ensuing has been exactly engine performance.At present, fuel oil-LNG dual fuel engine, pure LNG engine and application solutions heavy oil and low-sulfur oil can change the comparative maturity all such as the engine product used.Will reduce boats and ships Air Pollutant Emission further, changing the room for promotion on engine structure not quite, attachment device is installed in the measure of rationality.And land boiler flue gas use SCR denitration system, waste gas wet desulphurization wash mill etc., go on board install and use time, boats and ships are subject to and lay the conditionality such as space, use safety.Such as SCR denitration system, the catalyst volume not only used is huge, but also dangerous material ammonia will be used as nertralizer, this runs safety of ship and personnel's personal safety is all potential threat, land boiler waste gas wet desulphurization wash mill, is generally tower for another example, high 15 to 50 meters not etc., basic like this can not shipmate oceangoing ship structure matching, need to be optimized design.
Summary of the invention
The purpose of this utility model is to propose a kind of marine exhaust desulphurization denitration integrated purification device, and this system can not only to the SO in marine exhaust
2, NO
x, flue dust blackness purifies, and whole system resistance is little, and do not need configuration to increase Fan Equipment, the air of use safety and seawater are as desulfurization denitrification agent, and economy and security are all secure.
In order to solve above technical problem, technical scheme of the present invention is:
A kind of marine exhaust desulphurization denitration integrated purification device, comprise gas approach passage, pre-duster, forced oxidation device, oxidant feedway, advection denitration desulfurizer and neat stress flue, wherein, gas approach passage, pre-duster, forced oxidation device, advection denitration desulfurizer and neat stress flue are communicated with successively, and described oxidant feedway is communicated with forced oxidation device.
Preferably, described oxidant feedway is ozone supply device.
Preferred further, described ozone supply device passes through several ozone injection pipes arranged side by side by ozone discharge to described forced oxidation device.
Preferred further, several ozone injection pipes arranged side by side described are vertical with the flow direction of flue gas.
Preferred further, several ozone injection pipes arranged side by side described are in the arranged in step shape progressively lengthened along flow of flue gas direction pipeline.
Preferred further, several ozone injection pipes arranged side by side described are long in centre, the arranged in step shape that both sides are short.Arranged in step shape pressed by ozone outlet pipeline, and flue gas flow rate can be prevented too fast, ensures that the flue gas in horizontal flue fully contacts with ozone.
Preferably, described advection denitration desulfurizer comprises water supply installation, several spray heads and spray chamber, and wherein, several spray heads described are arranged at the top of spray chamber, run through the two ends of described spray chamber along flow of flue gas direction, described spray chamber communicates with forced oxidation device air outlet.
Preferably, the top of described spray chamber is concordant with the upper end of the exhanst gas outlet passage of forced oxidation device.
Preferred further, the described mode that the employing of several spray heads is upwards sprayed, Jet with downward flow direction is spaced apart is arranged.
Preferably, described spray chamber is greater than the cross-sectional area of forced oxidation device air outlet perpendicular to the cross-sectional area in flow of flue gas direction.
Preferably, described water supply installation comprises seawater storage tank and the first water pump, and seawater storage tank is arranged at the lower end of described spray chamber.
Preferably, described seawater storage tank communicates with spray chamber, and the side of seawater storage tank is provided with the second water pump for changing fresh seawater.
Advantageous Effects of the present utility model is:
1, the described horizontal flue spraying layer adopting and spray up and down is arranged at horizontal flue, seawater is fully contacted with flue gas, the seawater of desulfurization is connected to described circulating seawer storage tank through drainage pipeline, purifying smoke is then after described vertical demister dehydration, enter subsequent evacuation chimney to discharge, reduce whole system resistance thus, do not need to configure booster fan, greatly save the energy.
2, marine exhaust desulphurization denitration purification integrating device of the present utility model, by pre-dedusting, then waste gas is desulphurization denitration clean-up stage through ozone forced oxidation section and seawater advection desulfurizing dust-collector, and highly integrated, system ensure that the denitrification efficiency being greater than 90%; In addition, ozone forced oxidation section only distributed playpipe, and seawater advection desulfurizing dust-collector have employed advection and arranges, reduces device height, and does not substantially have resistance, make the resistance of whole system be less than 1000Pa.
3, marine exhaust desulphurization denitration purification integrating device of the present utility model, be that ozone generator is supplied raw materials by air or liquid oxygen, seawater advection desulfurizing dust-collector desulfurizer therefor is seawater, nontoxic, meets and ship uses and preserves the application condition had to pass through.
4, in the utility model, spray chamber is greater than the cross-sectional area of forced oxidation device air outlet perpendicular to the cross-sectional area in flow of flue gas direction, flue gas enters spray chamber, the flow velocity of flue gas reduces, and can ensure to remove the sulfur dioxide in flue gas and nitrogen dioxide to greatest extent.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of marine exhaust desulphurization denitration purification integrating device;
Fig. 2 is the plan structure schematic diagram of forced oxidation device in Fig. 1;
Fig. 3 is the main TV structure schematic diagram of forced oxidation device.
Wherein: 1. gas approach passage, 2. pre-duster, 3. pre-duster air outlet, 4. forced oxidation device, 5. ozone supply device, 6. ozone injection pipe, 7. forced oxidation device air outlet, 8. advection desulfurizing dust-collector air inlet, 9. advection denitration desulfurizing dust-collector, 10. spray head, 11. seawater storage tanks, 12. first water pumps, 13. advection desulfurizing dust-collector air outlets, 14. second water pumps, 15. neat stress flues.
Detailed description of the invention
As shown in Figure 1, a kind of marine exhaust desulphurization denitration integrated purification device, comprise gas approach passage 1, pre-duster 2, forced oxidation device 4, oxidant feedway, advection denitration desulfurizer 9 and neat stress flue 15, wherein, gas approach passage 1, pre-duster 2, forced oxidation device 4, advection denitration desulfurizer 9 and neat stress flue 15 are communicated with successively, and described oxidant feedway is communicated with forced oxidation device 4.
Described oxidant feedway is ozone supply device 5, and ozone supply device 5 passes through several ozone injection pipes 6 arranged side by side by ozone discharge to described forced oxidation device 4.
Several ozone injection pipes 6 arranged side by side are in the arranged in step shape progressively lengthened along flow of flue gas direction pipeline.
As shown in Figures 2 and 3, several ozone injection pipes 6 arranged side by side are long in centre, the arranged in step shape that both sides are short.Arranged in step shape pressed by ozone outlet pipeline 6, and flue gas flow rate can be prevented too fast, ensures that the flue gas in horizontal flue fully contacts with ozone.
Described advection denitration desulfurizer 9 comprises seawater storage tank 11 and the first water pump 12, several spray head 10 and spray chambers, wherein, several spray heads 10 described are arranged at the top of spray chamber, run through the two ends of described spray chamber along flow of flue gas direction, the top of spray chamber is concordant with the upper end of the exhanst gas outlet passage of forced oxidation device 4.Spray chamber communicates with forced oxidation device 4 air outlet.
Several spray heads 10 described adopt upwards spray, Jet with downward flow direction mode spaced apart arranges.
Described spray chamber is greater than the cross-sectional area of forced oxidation device 4 air outlet perpendicular to the cross-sectional area in flow of flue gas direction.
Described seawater storage tank 11 communicates with spray chamber, and the side of seawater storage tank 11 is provided with the second water pump for changing fresh seawater.
Its operation principle is: marine exhaust enters pre-duster 2 by gas approach passage 1 malleation, dusty gas passes through centrifugal action in pre-duster 2, bulky grain dirt falls into lower end collecting box, preliminary purification flue gas enters forced oxidation device 4 by pre-duster air outlet 3, ozone supply device 5 produces ozone, by ozone injection pipe 6, forced oxidation is carried out to the marine exhaust in flue, account for the water-fast NO of nitrogen oxide more than 90% and convert NO soluble in water to
2the marine exhaust that forced oxidation is crossed is through ozone forced oxidation section air outlet 7, advection desulfurizing dust-collector 9 is entered by advection desulfurizing dust-collector air inlet 8, seawater after filtration in seawater storage tank 11, by the first water pump 12 and seawater spraying layer 10, marine exhaust is washed, with in the alkalescence of seawater and SO in horizontal flue
2and NO
2to reach the object of desulphurization denitration, during seawater PH<5 in seawater storage tank 11, by the second water pump 14 by seawater discharge, change fresh seawater, it is emptying that the clean flue gas after purification enters neat stress flue 15 by advection desulfurizing dust-collector air outlet 13.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. a marine exhaust desulphurization denitration integrated purification device, it is characterized in that: comprise gas approach passage, pre-duster, forced oxidation device, oxidant feedway, advection denitration desulfurizer and neat stress flue, wherein, gas approach passage, pre-duster, forced oxidation device, advection denitration desulfurizer and neat stress flue are communicated with successively, and described oxidant feedway is communicated with forced oxidation device.
2. marine exhaust desulphurization denitration integrated purification device according to claim 1, it is characterized in that: described oxidant feedway is ozone supply device, described ozone supply device passes through several ozone injection pipes arranged side by side by ozone discharge to described forced oxidation device.
3. marine exhaust desulphurization denitration integrated purification device according to claim 2, is characterized in that: several ozone injection pipes arranged side by side described are vertical with the flow direction of flue gas.
4. marine exhaust desulphurization denitration integrated purification device according to claim 3, is characterized in that: several ozone injection pipes arranged side by side described are in the arranged in step shape progressively lengthened along flow of flue gas direction pipeline.
5. marine exhaust desulphurization denitration integrated purification device according to claim 3, is characterized in that: the arranged in step shape that several ozone injection pipes arranged side by side described are long in centre, both sides are short.
6. marine exhaust desulphurization denitration integrated purification device according to claim 1, it is characterized in that: described advection denitration desulfurizer comprises water supply installation, several spray heads and spray chamber, wherein, several spray heads described are arranged at the top of spray chamber, run through the two ends of described spray chamber along flow of flue gas direction, described spray chamber communicates with forced oxidation device air outlet.
7. marine exhaust desulphurization denitration integrated purification device according to claim 6, is characterized in that: the top of described spray chamber is concordant with the upper end of the exhanst gas outlet passage of forced oxidation device.
8. marine exhaust desulphurization denitration integrated purification device according to claim 7, is characterized in that: the described mode that the employing of several spray heads is upwards sprayed, Jet with downward flow direction is spaced apart is arranged.
9. marine exhaust desulphurization denitration integrated purification device according to claim 6, is characterized in that: described spray chamber is greater than the cross-sectional area of forced oxidation device air outlet perpendicular to the cross-sectional area in flow of flue gas direction.
10. marine exhaust desulphurization denitration integrated purification device according to claim 6, it is characterized in that: described water supply installation comprises seawater storage tank and the first water pump, seawater storage tank is arranged at the lower end of described spray chamber, and described seawater storage tank communicates with spray chamber, the side of seawater storage tank is provided with the second water pump for changing fresh seawater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424930.XU CN204684944U (en) | 2015-06-18 | 2015-06-18 | A kind of marine exhaust desulphurization denitration integrated purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424930.XU CN204684944U (en) | 2015-06-18 | 2015-06-18 | A kind of marine exhaust desulphurization denitration integrated purification device |
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|---|---|
| CN204684944U true CN204684944U (en) | 2015-10-07 |
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|---|---|---|---|
| CN201520424930.XU Expired - Fee Related CN204684944U (en) | 2015-06-18 | 2015-06-18 | A kind of marine exhaust desulphurization denitration integrated purification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551763A (en) * | 2016-09-18 | 2018-01-09 | 叶涛 | The environment-friendly treatment method and its equipment of a kind of organic compounds |
| CN107998761A (en) * | 2017-12-12 | 2018-05-08 | 唐山伟德船用设备有限公司 | A kind of marine exhaust desulfurizer and method |
-
2015
- 2015-06-18 CN CN201520424930.XU patent/CN204684944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551763A (en) * | 2016-09-18 | 2018-01-09 | 叶涛 | The environment-friendly treatment method and its equipment of a kind of organic compounds |
| CN107998761A (en) * | 2017-12-12 | 2018-05-08 | 唐山伟德船用设备有限公司 | A kind of marine exhaust desulfurizer and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20170618 |