CN201670743U - Self negative suction air lifting type sulfurated sewage purification device - Google Patents
Self negative suction air lifting type sulfurated sewage purification device Download PDFInfo
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- CN201670743U CN201670743U CN2010201217022U CN201020121702U CN201670743U CN 201670743 U CN201670743 U CN 201670743U CN 2010201217022 U CN2010201217022 U CN 2010201217022U CN 201020121702 U CN201020121702 U CN 201020121702U CN 201670743 U CN201670743 U CN 201670743U
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Abstract
The utility model relates to a self negative suction air lifting type sulfurated sewage purification device, and is characterized in that a flash tin and an air lifting tin are siamesed tins with middle parts divided by clapboards, a desulfuration post and a Venturi nozzle are arranged at the top part of the flash tin and are communicated with the flash tin, the middle of the desulfuration post is filled with solid desulfurizing agent, the Venturi nozzle is in a throat-pipe structure with a narrow middle part and two big ends, the upper end of the Venturi nozzle is a sulfurated sewage inlet, an air lifting tower is arranged at the top end of the air lifting tin and is communicated with the air lifting tin, the middle part of the air lifting tower is sequentially provided with a sulfurated sewage distributor and a filling, the air lifting tower is communicated with a throat-pipe part of the Venturi nozzle through an air leading pipe and an air communicating valve of the filling opening of the air lifting tower, the flash tin is communicated with the sulfurated sewage distributor in the air lifting tower through a liquid leading pipe and a sewage communicating valve at the bottom of the flash tin, and an air distributor is arranged at the bottom of the air lifting tin which is connected with an air suction pipe extending out of the air lifting tin. The device has the advantages that the content of sulfureted hydrogen can be reduced to less than 1 mg/L, a small amount of H2S can be discharged directly, and the purpose of simply processing sulfurated sewage can be reached.
Description
Technical field:
The utility model relates to a kind of from sucking negative pressure gas stripping type sour water refining plant.
Background technology:
At present, Chang Yong sour water purifying method is the step-down flash distillation.Promptly utilize under the low pressure condition characteristic that the solubleness of sulfide in water is lower, the content of sulfide in the reduction sour water.The step-down flash distillation has that one-time investment is low, technical process is simple and advantage such as process cost is low.Yet, only to handle by the step-down flash distillation, the sulfide content in the sewage is still higher.Hydrogen sulfide content can not satisfy " integrated wastewater discharge standard " requirement (GB8978-1996) far above 2mg/l in the sour water after only handling by the step-down flash distillation.In addition, in traditional step-down flash distillation sour water treatment process, discharge after the flashed vapour that contains the hydrogen sulfide sulfides generally adopts incinerator calcination or torch burning, the burning back produces the generation that sulfurous gas can cause secondary pollution.
Utility model patent " a kind of sulfide hydrogen waste disposal plant " (200620035899.1) has proposed to utilize pressurized air or rare gas element gas to carry art breading sulfide hydrogen sewage.This device takes off member postcure hydrogen richness in the increase essence and reduces to 10ppm (10mg/l).From then on index still can not reach the requirement of sewage drainage standard as can be seen through the sour water after this device processing.In addition, device uses pressurized air or rare gas element, needs configuration rotating machinery-compressor, will increase energy consumption and the reliability of device be decreased.In addition, similar with the tail gas treatment process of conventional step-down flash distillation, its tail gas enters and discharges after incinerator is converted into sulfurous gas, has the problem of secondary topsoil equally.
The utility model content
The purpose of this utility model is that a kind of band that utilizes of design presses the sour water venturi nozzle of flowing through to quicken to produce negative pressure in throat and suck air sour water is carried out the gas stripping type of the suction negative pressure certainly sour water refining plant that negative pressure gas is carried, and the content that can reduce volatile sulfide (as hydrogen sulfide) in the sour water effectively makes it reach the requirement of sewage drainage standard.Then remove for the sulfide in the gas stripping gas, prevent the generation of secondary topsoil with solid desulfurating agent.
Described in the utility modelly carry that jar is formed or form by desulfurization post, venturi nozzle, gas stripping column, flash tank are gentle by desulfurization post, venturi nozzle, the gentle jar of carrying of flash tank from sucking negative pressure gas stripping type sour water refining plant;
The gentle jar of carrying of flash tank is the middle separated disjunctor jar of dividing plate of using, desulfurization post and venturi nozzle are arranged on flash drum overhead and are communicated with flash tank, the desulfurization post is provided with solid desulfurating agent filler, tail gas outlet and solid desulfurating agent removal mouth, the centre is filled with solid desulfurating agent, venturi nozzle is the big throat tubular construction in middle narrow two, and the upper end is the sour water import; Gas stripping column is arranged on gas and carries tank top and gas and carry and jar being communicated with, gas stripping column is provided with filler filler and filler removal mouth, the centre is provided with sour water sparger, filler successively, is connected by the trunnion portion that is arranged on air entraining pipe between gas stripping column filler filler and the sour water sparger and air communication valve and venturi nozzle; Liquid guiding tube and the sewage communicating valve of flash tank by the bottom is communicated with sour water sparger in the gas stripping column; Gas is carried pot bottom and is provided with air-distributor, and an air air suction pipe outer with stretching out jar is connected, and the desulfurization water out is arranged on gas and carries pot bottom, and gas is carried jar and is provided with manhole.
Or the gentle jar of carrying of flash tank is the middle separated disjunctor jar of dividing plate of using, desulfurization post and venturi nozzle are arranged on flash drum overhead and are communicated with flash tank, the desulfurization post is provided with solid desulfurating agent filler, tail gas outlet and solid desulfurating agent removal mouth, the centre is filled with solid desulfurating agent, venturi nozzle is the big throat tubular construction in middle narrow two, the upper end is the sour water import, and trunnion portion carries the tank top by air entraining pipe and air communication valve with gas and is communicated with; Gas is carried and is provided with sour water sparger, filler and air-distributor in the jar from top to bottom successively, flash tank is communicated with the sour water sparger that gas is carried in the jar by the liquid guiding tube and the sewage communicating valve of bottom, and an air-distributor air air suction pipe outer with stretching out jar is connected.
The function of desulfurization post is exactly the sulfide that removes in the gas stripping gas.Function realizes mainly being finished by solid desulfurating agent.The loading and unloading of solid desulfurating agent are by solid desulfurating agent filler and solid desulfurating agent removal mouth.Gas stripping gas after the desulfurization is exported to the bleeder discharging by tail gas.Solid desulfurating agent has certain loading capacity, needs periodic replacement.
To produce negative pressure when sour water is entered by the sour water import at nozzle throat when venturi nozzle reduces pressure acceleration, can put forward a jar formation negative pressure at gas stripping column or gas by air entraining pipe, for negative pressure gas is provided by the condition that provides.Air communication valve may command gas pressure-raising power.
Mainly be the step-down flash vaporization process in the flash tank, play minimizing gas and propose load and buffered effect.Its liquid is delivered to gas by liquid guiding tube and is carried and jar being further processed.The liquid level of sour water communicating valve may command flash tank.
Sour water is carried at the gentle jar realization negative pressure gas of carrying of gas stripping column, and negative pressure sucks air from the air air suction pipe, by air-distributor and filler and sour water uniform contact, help improving the effect that gas is put forward again.Enter the gentle jar of carrying of gas stripping column from the next sour water of flash tank by the sour water sparger and fully contact with air, low boiling component wherein will be reached the purpose of desulfurization from liquid phase by effective elimination.Sewage after gas is carried is by desulfurization water out discharger.The gentle inner member loading and unloading of carrying jar of gas stripping column can be finished by filler filler, filler removal mouth and manhole.
The desulfurization post that solid desulfurating agent is equipped with in the utility model setting purifies it.Form at different makings, solid desulfurating agent can select ferric oxide, zinc oxide, manganese oxide, modified molecular screen and (or) modified activated carbon.
Hydrogen sulfide content in the gas stripping gas significantly can be reduced by solid desulfurating agent, satisfy " working space adverse factor occupation exposure limit " (GBZ2-2002) in hydrogen sulfide maximum allowable concentration 10mg/m in the workplace air of regulation
3Requirement, can directly discharge.The selection principle of solid desulfurating agent is for can solidify sulfide.
Compare with background technology, the utility model puies forward technology in conjunction with venturi nozzle vacuum technique, step-down flash process, negative pressure gas and the solid desulfurization technology improves traditional technology, in degree of purification, environment protection with on saving energy and reduce the cost certain progress is arranged.
Use the CHEMCAD software simulation to calculate: the H in condition of negative pressure therapeutic method to keep the adverse qi flowing downward water lift
2S can reduce to hydrogen sulfide content in the sour water below the 1mg/l (can reach " integrated wastewater discharge standard " requirement (GB8978-1996)), and a spot of H that flashes off
2S can directly discharge after handling by solid desulfurating agent, thereby reaches the purpose of the simple and easy processing of sour water.
Utilize sour water self pressure to produce negative pressure and suck air, compressor or vacuum pump need not be set, reduced rotating machinery, can improve device reliability, cut down the consumption of energy through venturi nozzle.
Hydrogen sulfide is converted into the surface of solid sulfur attached to sweetening agent by solid desulfurating agent, can reduce secondary pollution.
Description of drawings:
The vertical gas stripping column of Fig. 1 is from sucking negative pressure gas stripping type sour water refining plant.
The horizontal gas of Fig. 2 is carried jar from sucking negative pressure gas stripping type sour water refining plant.
Wherein:
1-solid desulfurating agent filler 2-tail gas outlet 3-desulfurization post 4-solid desulfurating agent removal mouth 5-solid desulfurating agent 6-sour water import 7-venturi nozzle 8-air communication valve 9-air entraining pipe 10-filler filler 11-gas stripping column 12-filler removal mouth 13-manhole 14-sour water sparger 15-filler 16-air air suction pipe 17-flash tank 18-gas is carried a jar 19-air-distributor 20-liquid guiding tube 21-sewage communicating valve 22-desulfurization water out
Embodiment
Certainly the negative pressure gas stripping type sour water refining plant that sucks described in the utility model is made up of desulfurization post 3, venturi nozzle 7, gas stripping column 11, the flash tank 17 gentle jars 18 of carrying;
The flash tank 17 gentle jars 18 of carrying are the middle separated disjunctor jar of dividing plate of using, desulfurization post 3 and venturi nozzle 7 are arranged on flash tank 17 tops and are communicated with flash tank 17, desulfurization post 3 is provided with solid desulfurating agent filler 1, tail gas outlet 2 and solid desulfurating agent removal mouth 4, the centre is filled with solid desulfurating agent 5, venturi nozzle 7 is the big throat tubular construction in middle narrow two, and the upper end is sour water import 6; Gas stripping column 11 is arranged on gas and carries jar 18 tops and carry jar 18 with gas and be communicated with, gas stripping column 11 is provided with filler filler 10 and filler removal mouth 12, the centre is provided with sour water sparger 14, filler 15 successively, connects by being arranged on air entraining pipe 9 between gas stripping column filler filler 10 and the sour water sparger 14 and the air communication valve 8 trunnion portion with venturi nozzle 7; Flash tank 17 liquid guiding tube 20 and the sewage communicating valve 21 by the bottom is communicated with sour water sparger 14 in the gas stripping column 11; Gas is carried jar 18 bottoms and is provided with air-distributor 19, and an air air suction pipe 16 outer with stretching out jar is connected, and desulfurization water out 22 is arranged on gas and carries jar 18 bottoms, and gas is carried jar 18 and is provided with manhole 13.
Certainly the negative pressure gas stripping type sour water refining plant that sucks described in the utility model is made up of desulfurization post 3, venturi nozzle 7, the flash tank 17 gentle jars 18 of carrying;
The flash tank 17 gentle jars 18 of carrying are the middle separated disjunctor jar of dividing plate of using, desulfurization post 3 and venturi nozzle 7 are arranged on flash tank 17 tops and are communicated with flash tank 17, desulfurization post 3 is provided with solid desulfurating agent filler 1, tail gas outlet 2 and solid desulfurating agent removal mouth 4, the centre is filled with solid desulfurating agent 5, venturi nozzle 7 is the big throat tubular construction in middle narrow two, the upper end is sour water import 6, and trunnion portion carries jar 18 tops by air entraining pipe 9 and air communication valve 8 with gas and is communicated with; Gas is carried in the jar 18 and is provided with sour water sparger 14, filler 15 and air-distributor 19 from top to bottom successively, flash tank 17 is communicated with the sour water sparger 14 that gas is carried in the jar 18 by the liquid guiding tube 20 and the sewage communicating valve 21 of bottom, and air-distributor 19 an air air suction pipe 16 outer with stretching out jar is connected.
Claims (2)
1. one kind sucks negative pressure gas stripping type sour water refining plant certainly, is made up of desulfurization post, venturi nozzle, gas stripping column, the gentle jar of carrying of flash tank; It is characterized in that:
The gentle jar of carrying of flash tank is the middle separated disjunctor jar of dividing plate of using, desulfurization post and venturi nozzle are arranged on flash drum overhead and are communicated with flash tank, the desulfurization post is provided with solid desulfurating agent filler, tail gas outlet and solid desulfurating agent removal mouth, the centre is filled with solid desulfurating agent, venturi nozzle is the big throat tubular construction in middle narrow two, and the upper end is the sour water import; Gas stripping column is arranged on gas and carries tank top and gas and carry and jar being communicated with, gas stripping column is provided with filler filler and filler removal mouth, the centre is provided with sour water sparger, filler successively, is connected by the trunnion portion that is arranged on air entraining pipe between gas stripping column filler filler and the sour water sparger and air communication valve and venturi nozzle; Liquid guiding tube and the sewage communicating valve of flash tank by the bottom is communicated with sour water sparger in the gas stripping column; Gas is carried pot bottom and is provided with air-distributor, and an air air suction pipe outer with stretching out jar is connected, and the desulfurization water out is arranged on gas and carries pot bottom, and gas is carried jar and is provided with manhole.
2. one kind sucks negative pressure gas stripping type sour water refining plant certainly, is made up of desulfurization post, venturi nozzle, the gentle jar of carrying of flash tank; It is characterized in that:
The gentle jar of carrying of flash tank is the middle separated disjunctor jar of dividing plate of using, desulfurization post and venturi nozzle are arranged on flash drum overhead and are communicated with flash tank, the desulfurization post is provided with solid desulfurating agent filler, tail gas outlet and solid desulfurating agent removal mouth, the centre is filled with solid desulfurating agent, venturi nozzle is the big throat tubular construction in middle narrow two, the upper end is the sour water import, and trunnion portion carries the tank top by air entraining pipe and air communication valve with gas and is communicated with; Gas is carried and is provided with sour water sparger, filler and air-distributor in the jar from top to bottom successively, flash tank is communicated with the sour water sparger that gas is carried in the jar by the liquid guiding tube and the sewage communicating valve of bottom, and an air-distributor air air suction pipe outer with stretching out jar is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201217022U CN201670743U (en) | 2010-02-26 | 2010-02-26 | Self negative suction air lifting type sulfurated sewage purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201217022U CN201670743U (en) | 2010-02-26 | 2010-02-26 | Self negative suction air lifting type sulfurated sewage purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670743U true CN201670743U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201217022U Expired - Lifetime CN201670743U (en) | 2010-02-26 | 2010-02-26 | Self negative suction air lifting type sulfurated sewage purification device |
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| Country | Link |
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| CN (1) | CN201670743U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583856A (en) * | 2012-01-30 | 2012-07-18 | 西安石油大学 | Non-depressurization sealed reinjection treatment method for gas field sewage |
| CN105641975A (en) * | 2016-01-14 | 2016-06-08 | 中国核电工程有限公司 | Vacuum degassing system utilizing compressed air as power source |
| CN105712457A (en) * | 2014-12-05 | 2016-06-29 | 中国石油化工股份有限公司 | Oil refining alkaline residue acidification reactor with antifoaming function and antifoaming method |
| CN106256783A (en) * | 2015-06-18 | 2016-12-28 | 中国石油化工股份有限公司 | A kind of processing method of sulfur-containing waste water |
| CN108622968A (en) * | 2018-04-23 | 2018-10-09 | 上海理工大学 | The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage |
-
2010
- 2010-02-26 CN CN2010201217022U patent/CN201670743U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583856A (en) * | 2012-01-30 | 2012-07-18 | 西安石油大学 | Non-depressurization sealed reinjection treatment method for gas field sewage |
| CN102583856B (en) * | 2012-01-30 | 2013-06-12 | 西安石油大学 | Non-depressurization sealed reinjection treatment method for gas field sewage |
| CN105712457A (en) * | 2014-12-05 | 2016-06-29 | 中国石油化工股份有限公司 | Oil refining alkaline residue acidification reactor with antifoaming function and antifoaming method |
| CN106256783A (en) * | 2015-06-18 | 2016-12-28 | 中国石油化工股份有限公司 | A kind of processing method of sulfur-containing waste water |
| CN105641975A (en) * | 2016-01-14 | 2016-06-08 | 中国核电工程有限公司 | Vacuum degassing system utilizing compressed air as power source |
| CN105641975B (en) * | 2016-01-14 | 2020-07-28 | 中国核电工程有限公司 | Vacuum degassing system using compressed air as power source |
| CN108622968A (en) * | 2018-04-23 | 2018-10-09 | 上海理工大学 | The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |