CN105268314A - Oil refining wastewater deodorization device - Google Patents
Oil refining wastewater deodorization device Download PDFInfo
- Publication number
- CN105268314A CN105268314A CN201110080175.4A CN201110080175A CN105268314A CN 105268314 A CN105268314 A CN 105268314A CN 201110080175 A CN201110080175 A CN 201110080175A CN 105268314 A CN105268314 A CN 105268314A
- Authority
- CN
- China
- Prior art keywords
- tank
- pipe
- deodorization
- exhaust gas
- deodorizing
- 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.)
- Pending
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention relates to an oil refining wastewater deodorization device. A wastewater tank is connected to a return air inlet equipped return air pipe and an exhaust gas pipe, the exhaust gas pipe is connected to a water receiving tank seal pipe, the upper end of the exhaust gas pipe is connected in a deodorization tank, the lower part of the deodorization tank is connected to a steam inlet pipe, one side is connected to an air inlet, the upper side is connected to an exhaust funnel through a pipeline, and the pipeline is in connection with a sulfur receiving recovery tail gas incinerator pipe. The device provided by the invention can convert the sulfide in the hydrogen sulfide, organic sulfur, hydrocarbon and ammonia malodorous gas contained in sewage into elemental sulfur under the action of a catalyst so as to be removed. At the same time, a small amount of hydrocarbon, ammonia and other harmful gases are subjected to adsorption and oxidation reduction by a nanofiber catalyst layer with strong adsorption capability, thus reaching the oil refining wastewater deodorization and purification effects. The oil refining wastewater deodorization device provided by the invention can be applied to exhaust gas deodorization in the oil refining industry.
Description
Technical field
What the present invention relates to is a kind of deodorizing device of petroleum refining wastewater of field of Environment Protection for refinery(waste) water, exhaust-gas treatment.
Background technology
In the oil product of sour crude, nitrogen content is higher, in refining process, produce sulfide, nitride, sulfide, nitride have water-soluble, so in distilling apparatus, hydrocracking unit, diesel hydrotreating unit, coking plant, sulfide, nitride are mainly soluble in water with the form of hydrogen sulfide, cyanide and ammonia, and the sewage basin being sent to acid water treating apparatus focuses on.Due to process specifications, sewage tank top opening must be communicated with air, containing volatile hydro carbons in sewage, to environment; Pyanides indicate is not volatile, does not substantially have in its gas phase; Ammonia is very easily water-soluble; Sulfide is water-soluble, but volatility is comparatively strong, H in gas phase
2s content reaches 5000mg/m sometimes
3, particularly when Water Tank inflow changes greatly, due in the sour gas that sewage basin gives off, sulfide concentration is high, discharge capacity is large, causes refinery and surrounding environment to occur foul odour, serious to air pollution.
Acid water composition in sewage basin is more complicated, and mainly containing hazardous substance is H
2s sulfides, also has the hydrocarbon of minute quantity and ammonia etc., and the country of advanced technology adopts the way of fixed bed oxidation-adsorption in the world, obtains good effect, H in Japan's oil refining emission gases
2s content reaches 0.006mg/m
3.At home, sewage basin sour gas is the topmost pollution sources of refinery's odor pollution, in recent years just draws attention.The existing processing method to foul gas has two kinds.First liquid absorption method.This method is with akaline liquid and H
2s reacts, and generate sulfur-containing liquid, regeneration or dispose, this method can reach the object of deodorizing, but invests high, complex process, and operating cost is high, easily handling safety accident occurs, also produces liquid wastes, forms secondary pollution.It two is oxidation-adsorption methods, and the sour gas of Water Tank discharge, before entering air, contacts with solid catalyst, H
2s sulfides reacts, and is removed, and the absorption of catalyzed dose of the pernicious gases such as a small amount of hydrocarbon, reaches the object of Purge gas, and this method deodorizing effect is better, and technique is simple, and operating cost is low.
Summary of the invention
Producing the deficiency of foul gas equipment to overcome existing process oil refining institute, the present invention proposes one and refining oil waste gas deodorization device.The waste gas that produces in waste water by deodorizing tank, reduces with oxygen catalytic oxidation by this device under catalyst action, solves the technical problem of refinery(waste) water deodorizing.
The scheme that technical solution problem of the present invention adopts is
The muffler and flue gas leading that are provided with gas returning port is connected with in waste water tank, flue gas leading is connected with water receiving sealed cans pipe, flue gas leading terminates in deodorizing tank, steam inlet tube is connected with in deodorizing tank bottom, side is connected with air intlet, upside is connected with aiutage by pipeline, pipeline is connected with and connects sulfur recovery tail gas burning boiler tube.
Manhole is respectively equipped with the left and right of deodorizing tank and top, on the right side of deodorizing tank, exhaust gas inlet is equipped with in the downside of manhole, exhaust gas inlet is connected with flue gas leading, demister is set with outside flue gas leading, in deodorizing tank, upper and lower sides is equipped with screen respectively, between two screens, catalyst layer is housed, deodorizing tank bottom is connected with air intlet and steam inlet tube and drenches mouth, is connected with two deodorization gas outlet tubes on deodorizing tank top.
Good effect, by apparatus of the present invention, can make sulphidic conversion become elemental sulfur with the foul gas of ammonia hydrogen sulfide contained in sewage, organic sulfur, hydrocarbon, be removed under the effect of catalyst; A small amount of pernicious gas such as hydrocarbon, ammonia is reduced by the nano-fiber catalyst layer adsorption and oxidation with stronger adsorption capacity simultaneously, reaches the effect of oil refining sewerage deodorization and purification.Be suitable for applying in the waste gas deodorization of oil refining field.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention connection layout
Fig. 2 is apparatus of the present invention deodorizing tank structure chart
Fig. 3 is exhaust gas inlet duct ligation composition of the present invention
In figure, 1. waste water tank, 2. muffler, 3. flue gas leading, 4. water receiving sealed cans pipe, 5. gas returning port, 6. deodorizing tank, 6.1. manhole, 6.2. exhaust gas inlet, 6.21. exhaust gas inlet pipe, 6.22. demister, 6.3. screen, 6.4. catalyst layer, 6.5. mouth is drenched, 6.6. deodorization gas outlet tube, 7. steam inlet tube, 8. connect sulfur recovery tail gas and burn boiler tube, 9. air intlet, 10. aiutage.
Detailed description of the invention
According to the figure, the muffler 2 and flue gas leading 3 that are provided with gas returning port 5 is connected with in waste water tank 1, flue gas leading is connected with water receiving sealed cans pipe 4, flue gas leading terminate in deodorizing tank 6, steam inlet tube 7 is connected with in deodorizing tank bottom, side is connected with air intlet 9, and upside is connected with aiutage 10 by pipeline, pipeline is connected with and connects sulfur recovery tail gas burning boiler tube 8.
Manhole 6.1 is respectively equipped with the left and right of deodorizing tank 6 and top, on the right side of deodorizing tank, exhaust gas inlet 6.2 is equipped with in the downside of manhole, exhaust gas inlet is connected with exhaust gas inlet pipe 6.21, demister 6.22 is set with outside flue gas leading, in deodorizing tank, upper and lower sides is equipped with screen 6.3 respectively, catalyst layer 6.4 is housed between two screens, and deodorizing tank bottom is connected with air intlet 9 and steam inlet tube 7 and falls to drench mouth 6.5, is connected with two deodorization gas outlet tubes 6.6 on deodorizing tank top.
Described catalyst layer is the layered structure using nanofiber as catalyst carrier.
The course of work of the present invention
Refinery(waste) water joins in waste water tank, in waste water tank, air is passed into by gas returning port set on muffler, under pressure, waste gas is forced to be passed into deodorizing tank from exhaust gas inlet pipe through demister, flue gas leading is connected to water receiving sealed cans pipe, waste gas is blocked by water sealed tank, waste gas is made normally to be drained into deodorizing tank under water sealed tank effect, waste gas enters into deodorizing tank from the exhaust gas inlet deodorizing tank through demister, in deodorizing tank, steam is injected by steam inlet tube, under the effect of vapours, the waste gas entering into deodorizing tank contacts with the air coming from air intlet through catalyst layer, make odorous gas redox, a deodorization gas part through redox reaction is discharged in incinerator by connecing sulfur recovery tail gas burning boiler tube, oxidation is burned, another part enters air by aiutage.
Deodorization mechanism: in sewage, the foul gas of contained hydrogen sulfide, organic sulfur, hydrocarbon and ammonia is overflowed from Water Tank, under the effect of water sealed tank, be drained in deodorizing tank, by nanofiber film-catalyst layer, under the effect of catalyst, make sulphidic conversion become elemental sulfur, be removed; A small amount of pernicious gas such as hydrocarbon, ammonia is adsorbed by the nano fibrous membrane with stronger adsorption capacity simultaneously, reaches the effect of oil refining sewerage deodorization and purification.
Oxygen in hydrogen sulfide and air changes into elemental sulfur and water under the effect of catalyst.
Embodiment
The inventive method is adopted to remove foul gas to oil refining sewerage.
Refinery(waste) water discharges foul gas composition and concentration: hydrogen sulfide 5000mg/m
3, hydrocarbon 526mg/m
3ammonia 89mg/m
3, organic sulfur compound 66mg/m
3.
Adopt 2 diameters 2200 millimeters, the deodorizing tank of high 8500 millimeters of specifications, deodorizing tank material uses carbon steel, 10 tons, the every tank of filling nanofiber film catalyst.
Catalyst model YNSV-04, catalyst outward appearance is black column, compression strength 50N/ grain, diameter 3.0 ~ 5.0mm, and length 5 ~ 25mm accounts for 91%, the positive and negative 0.05g.mL of loading density 0.65
-1, thiol conversion is more than or equal to 95%, and Sulfur capacity is more than or equal to 20%.
After the inventive method is to oil refining sewerage deodorization process, wherein, hydrogen sulfide is 0.06mg/m
3, hydrocarbon 1.0mg/m
3, ammonia 1.0mg/m
3, organic sulfur compound 0.006mg/m
3mg/m
3.
Index contrast before and after deodorization: hydrogen sulfide reduced value is 5000-0.06=4999.94mg/m
3, hydrocarbon reduced value is 526-1=525mg/m
3, ammonia reduced value is 89-1=88mg/m
3, organic sulfur compound reduced value is 66-0.006=65.994mg/m
3.
Above data show, adopt the inventive method obvious to oil refining sewerage deodorising effect.
Process the effluvium scale of construction 600m every day
3/ h, year operation hour be 8400 hours.
Claims (2)
1. a deodorizing device of petroleum refining wastewater, is characterized in that:
The muffler (2) and flue gas leading (3) that are provided with gas returning port (5) is connected with in waste water tank (1), flue gas leading is connected with water receiving sealed cans pipe (4), flue gas leading terminate in deodorizing tank (6), steam inlet tube (7) is connected with in deodorizing tank bottom, side is connected with air intlet (9), upside is connected with aiutage (10) by pipeline, pipeline is connected with and connects sulfur recovery tail gas burning boiler tube (8);
Manhole (6.1) is respectively equipped with on the left and right and top of deodorizing tank (6), on the right side of deodorizing tank, exhaust gas inlet (6.2) is equipped with in the downside of manhole, exhaust gas inlet is connected with exhaust gas inlet pipe (6.21), demister (6.22) is set with outside flue gas leading, in deodorizing tank, upper and lower sides is equipped with screen (6.3) respectively, catalyst layer (6.4) is housed between two screens, deodorizing tank bottom is connected with air intlet (9) and steam inlet tube (7) and drenches mouth (6.5), is connected with two deodorization gas outlet tubes (6.6) on deodorizing tank top.
2. a kind of deodorizing device of petroleum refining wastewater according to claim 1, is characterized in that: described catalyst layer is the layered structure using nanofiber as catalyst carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080175.4A CN105268314A (en) | 2011-03-31 | 2011-03-31 | Oil refining wastewater deodorization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080175.4A CN105268314A (en) | 2011-03-31 | 2011-03-31 | Oil refining wastewater deodorization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105268314A true CN105268314A (en) | 2016-01-27 |
Family
ID=55138674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110080175.4A Pending CN105268314A (en) | 2011-03-31 | 2011-03-31 | Oil refining wastewater deodorization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268314A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990001464A1 (en) * | 1988-08-08 | 1990-02-22 | Chemical Waste Management, Inc. | Process for the catalytic treatment of wastewater |
| CN101239758A (en) * | 2007-02-09 | 2008-08-13 | 中国石油化工股份有限公司 | Method for treating sulfur-containing waste water |
| CN101590434A (en) * | 2009-07-08 | 2009-12-02 | 天津工业大学 | A kind of rare-earth cerium doped alumina nano fiber catalyst carrier material and preparation method thereof |
| CN202080942U (en) * | 2011-03-31 | 2011-12-21 | 中石油东北炼化工程有限公司葫芦岛设计院 | Deodorizing device of petroleum refining wastewater |
-
2011
- 2011-03-31 CN CN201110080175.4A patent/CN105268314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990001464A1 (en) * | 1988-08-08 | 1990-02-22 | Chemical Waste Management, Inc. | Process for the catalytic treatment of wastewater |
| CN101239758A (en) * | 2007-02-09 | 2008-08-13 | 中国石油化工股份有限公司 | Method for treating sulfur-containing waste water |
| CN101590434A (en) * | 2009-07-08 | 2009-12-02 | 天津工业大学 | A kind of rare-earth cerium doped alumina nano fiber catalyst carrier material and preparation method thereof |
| CN202080942U (en) * | 2011-03-31 | 2011-12-21 | 中石油东北炼化工程有限公司葫芦岛设计院 | Deodorizing device of petroleum refining wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102309913B (en) | Treatment method for stinky waste gas containing sulfides and hydrocarbons | |
| CN208229640U (en) | A kind of exhaust treatment system | |
| CN202983486U (en) | Integration purification device for processing complex industrial organic waste gas | |
| CN102553390A (en) | Process for purifying chemical tail gas | |
| Jiang et al. | Simultaneous removal of hydrogen sulfide and ammonia in the gas phase: a review | |
| CN102000484B (en) | Rubber-mixing waste gas deodorizing and purifying device and method through dry oxidation | |
| CN201529486U (en) | Waste gas purification apparatus | |
| CN101417729B (en) | Method for protecting storage tank by using flue gas | |
| CN201832543U (en) | Dry type deodorizing and purifying device for waste gas of oxidization rubber mixing | |
| CN203540282U (en) | Treatment device of odor containing hydrocarbon and sulfide | |
| CN202080942U (en) | Deodorizing device of petroleum refining wastewater | |
| CN202350056U (en) | Processing unit for malodorous gas of sewage treatment plant | |
| CN105268314A (en) | Oil refining wastewater deodorization device | |
| CN104624019A (en) | Method for treating tail gas generated by oxidizing and regenerating saline-alkali liquid containing mercaptan | |
| CN101417728B (en) | Method for protecting storage tank safety by using sulfur recovery tail gas | |
| Chen et al. | Comparative study of carbon-deNOx process by different sewage sludge chars | |
| CN206391847U (en) | A kind of chemical industrial waste gas purifying device | |
| Sitthikhankaew et al. | Performance of commercial and modified activated carbons for hydrogen sulfide removal from simulated biogas | |
| CN104548906B (en) | Purification method for hydrogen sulfide containing gas | |
| CN103182244B (en) | Dephosphorization catalytic reaction technology of yellow phosphorus tail gas and apparatus | |
| CN203002180U (en) | Treatment system for sulfur-containing, ammonia-containing and hydrocarbon-containing waste gases | |
| CN106582598B (en) | For H2The carbon material and preparation method thereof containing basic group of the catalysis oxidation of S | |
| CN202164141U (en) | Acidulous water storage tank and acidulous water processing system | |
| LU93013B1 (en) | Process for the removal of heavy metals from fluids | |
| CN209438381U (en) | A kind of photooxidation catalytic waste gas processing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |
|
| RJ01 | Rejection of invention patent application after publication |