CN108622968A - The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage - Google Patents
The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage Download PDFInfo
- Publication number
- CN108622968A CN108622968A CN201810366508.1A CN201810366508A CN108622968A CN 108622968 A CN108622968 A CN 108622968A CN 201810366508 A CN201810366508 A CN 201810366508A CN 108622968 A CN108622968 A CN 108622968A
- Authority
- CN
- China
- Prior art keywords
- valve
- shut
- sewage
- flash tank
- hydrogen sulfide
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
Abstract
The invention discloses a kind of minimizing technologies of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage, this method send the sewage containing hydrogen sulfide to flash tank entrance by pipeline, simultaneously oxidation category medicament is added in flash tank entrance, and entering flash tank after tube mixer makes sewage be sufficiently mixed with oxidation category medicament, the hydrogen sulfide in flash tank in sewage becomes elemental sulfur, SO after being reacted with oxidation category medicament3 2‑Or SO4 2‑；Gas is discharged from flash tank exhaust outlet in flash tank, and sewage is emitted into sewage-treatment plant from flash tank after desulfurization.This method has the characteristics that stable and reliable operation, at low cost, easy to operate, easy to control, and in closed environment desulfurization, utmostly removes the hydrogen sulfide being dissolved in the water, sulfide is avoided to cause damages staff.
Description
Technical field
The present invention relates to vulcanize in sewage disposal, environmental protection technical field more particularly to a kind of Oil ＆ gas field in sulfur sewage
The minimizing technology of hydrogen.
Background technology
Containing hydrogen sulfide in oil gas field sewage, vulcanization Hydrogen Energy is dissolved in water, and aqueous solution is hydrosulphuric acid, is weak electrolyte,
Volatile weak diacid, in solution containing different molecule and ion (hydrogen sulfide molecule, hydrone, H+, S2-, HS-,
Minute quantity OH-), Character instability changes in temperature, pressure, or be disturbed effect when, easily make to be dissolved in water
Hydrogen sulfide gas effusion, thus the personal safety of staff and health are caused great harm.
Currently, the method for oil gas field removal Hydrogen Sulfide in Sewage mainly has natural gas air- extraction and air oxidation process；Naturally
Gas air- extraction needs to consume a large amount of natural gas, and hydrogen sulfide removal is not thorough in water；Air oxidation process is also that common one kind is gone
The method of vulcanisation hydrogen, but this method needs to improve the temperature of water（70-80℃）, and effect is better under alkaline condition, and it is oily
The sewage in gas field is largely weakly acidic, is unfavorable for using air oxidation.
Invention content
Technical problem to be solved by the invention is to provide a kind of minimizing technologies of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage, originally
Method has the characteristics that stable and reliable operation, at low cost, easy to operate, easy to control, and in closed environment desulfurization, utmostly
The hydrogen sulfide being dissolved in the water is removed, sulfide is avoided to cause damages staff.
In order to solve the above technical problems, the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage of the present invention, will contain vulcanization
The sewage of hydrogen is sent by pipeline to flash tank entrance, while adding oxidation category medicament in flash tank entrance, and passes through tubular-mix
Device enters flash tank after so that sewage is sufficiently mixed with oxidation category medicament, the hydrogen sulfide in flash tank in sewage and oxidation category medicament
Become elemental sulfur, SO after reaction3 2-Or SO4 2-；Gas is discharged from flash tank exhaust outlet in flash tank, and sewage is from flash distillation after desulfurization
Tank is emitted into sewage-treatment plant.
Further, the oxidation category medicament is sodium hypochlorite.
Further, it is sent in sewage and the valve unit adjusting discharge of sewage, the valve is set on the pipeline to flash tank entrance
Unit includes acceleration switching valve, regulating valve, the first shut-off valve, the second shut-off valve and third shut-off valve, and second shut-off valve is adjusted
Section valve and third shut-off valve are parallel to first shut-off valve after being sequentially connected in series, the acceleration switching valve output end connection described the
One shut-off valve and the second shut-off valve input terminal.
Further, flash distillation pressure inside the tank is monitored in real time using pressure sensor, when flashing pressure inside the tank more than setting value,
Gas in tank is discharged valve unit by being set to flash tank exhaust outlet, and the valve unit includes putting the first emptying adjusting
Valve, the 4th shut-off valve, the 5th shut-off valve and the 6th shut-off valve, the 4th shut-off valve, the first emptying regulating valve and the 5th cut-off
Valve is connected in parallel after being sequentially connected in series with the 6th shut-off valve, the 4th shut-off valve and the connection flash distillation of the 6th shut-off valve input terminal
Tank exhaust outlet.
Further, the valve unit further includes safety valve, the 7th shut-off valve and the 8th shut-off valve, the 7th cut-off
Valve, safety valve and the 8th shut-off valve are parallel to the input terminal and output end of the first emptying regulating valve after being sequentially connected in series.
Further, the sewage discharged from flash tank adjusts flow using valve unit, and the valve unit is put including second
Empty regulating valve, the 9th shut-off valve, the tenth shut-off valve, the 11st shut-off valve, the 12nd shut-off valve, the 13rd shut-off valve, the 14th
Shut-off valve, the 15th shut-off valve, the 16th shut-off valve, first filter and the second filter, the 9th shut-off valve, the first mistake
Filter and the tenth shut-off valve are sequentially connected in series, and the 11st shut-off valve, the second filter and the 12nd shut-off valve are sequentially connected in series, institute
It states the 13rd shut-off valve input terminal and connects the 9th shut-off valve and the 11st shut-off valve input terminal, the 13rd shut-off valve output end
Connect the tenth shut-off valve and the 12nd shut-off valve output end, the 14th shut-off valve, the second emptying regulating valve and the 15th section
Only valve is in parallel with the 16th shut-off valve after being sequentially connected in series, the tenth shut-off valve, the 13rd shut-off valve and the 12nd cut-off
The output end of valve connects the input terminal of the 14th shut-off valve and the 16th shut-off valve.
Since the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage of the present invention uses above-mentioned technical proposal, i.e. this method will contain
There is the sewage of hydrogen sulfide to be sent to flash tank entrance by pipeline, while oxidation category medicament is added in flash tank entrance, and by pipe
Formula mixer enters flash tank, the hydrogen sulfide in sewage and oxidation in flash tank after so that sewage is sufficiently mixed with oxidation category medicament
Become elemental sulfur, SO after the reaction of class medicament3 2-Or SO4 2-；Gas is discharged from flash tank exhaust outlet in flash tank, the sewage after desulfurization
It is emitted into sewage-treatment plant from flash tank.This method has stable and reliable operation, at low cost, easy to operate, easy to control etc.
Feature, and in closed environment desulfurization, utmostly remove the hydrogen sulfide being dissolved in the water, sulfide is avoided to cause staff
Harm.
Description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the minimizing technology schematic diagram of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage of the present invention；
Fig. 2 is the valve unit schematic diagram of flash tank sewage inlet in this method；
Fig. 3 is the valve unit schematic diagram of flash tank exhaust outlet in this method；
Fig. 4 is that the valve unit of flash tank exhaust outlet in this method is equipped with safety valve schematic diagram；
Fig. 5 is flash tank Sewage outlet valve unit schematic diagram in this method.
Specific implementation mode
Embodiment as shown in Figure 1, Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage of the present invention minimizing technology, hydrogen sulfide will be contained
Sewage is sent by pipeline 1 to 2 entrance of flash tank, while adding oxidation category medicament in 2 entrance of flash tank, and passes through tube mixer
3 so that sewage and oxidation category medicament is sufficiently mixed after enter flash tank 2, the hydrogen sulfide in flash tank 2 in sewage and oxidation category medicine
Become elemental sulfur, SO after agent reaction3 2-Or SO4 2-；Gas is discharged from flash tank exhaust outlet 21 in flash tank 2, the sewage after desulfurization
It is emitted into sewage-treatment plant 4 from flash tank 2.
Preferably, the oxidation category medicament is sodium hypochlorite.
As shown in Figure 2, it is preferred that sent in sewage and valve unit adjusting sewage stream is set on the pipeline to flash tank entrance
Amount, the valve unit include acceleration switching valve 51, regulating valve 52, the first shut-off valve 53, the second shut-off valve 54 and third cut-off
Valve 55, second shut-off valve 54, regulating valve 52 and third shut-off valve 55 are parallel to first shut-off valve 53 after being sequentially connected in series,
51 output end of the acceleration switching valve connects 53 and second shut-off valve of the first shut-off valve, 54 input terminal.Sewage enters flash tank
Use PLC controller to acceleration switching valve and regulating valve by PID control before, the liquid level for adjusting flash tank is maintained at certain
In range, it is ensured that the chemical reaction of hydrogen sulfide and oxidation category medicament in flash tank.
As shown in Figure 3, it is preferred that flash distillation pressure inside the tank is monitored using pressure sensor in real time, when flash distillation pressure inside the tank is super
When crossing setting value, gas in tank is discharged the valve unit by being set to flash tank exhaust outlet, and the valve unit includes putting
First emptying regulating valve 61, the 4th shut-off valve 62, the 5th shut-off valve 63 and the 6th shut-off valve 64, the 4th shut-off valve 62, the
One emptying regulating valve 61 and the 5th shut-off valve 63 are connected in parallel after being sequentially connected in series with the 6th shut-off valve 64, the 4th cut-off
Valve 62 connects flash tank exhaust outlet with 64 input terminal of the 6th shut-off valve.Flash distillation pressure inside the tank is carried out by pressure sensor real-time
Gas in tank is discharged by being vented regulating valve when flashing pressure inside the tank more than setting value, reaches the work for reducing pressure by monitoring
With to ensure the safety of desulfurizer.
As shown in Figure 4, it is preferred that the valve unit further includes safety valve 65, the 7th shut-off valve 66 and the 8th shut-off valve
67, the 7th shut-off valve 66, safety valve 65 and the 8th shut-off valve 67 are parallel to the first emptying regulating valve after being sequentially connected in series
61 input terminal and output end.From the point of view of safety in production, when flash distillation pressure inside the tank reaches a peak value, such as first put
When empty regulating valve cannot be adjusted in time, safety valve can play a protective role.
As shown in Figure 5, it is preferred that the sewage discharged from flash tank adjusts flow, the valve unit using valve unit
Including second emptying regulating valve 71, the 9th shut-off valve 72, the tenth shut-off valve 73, the 11st shut-off valve 74, the 12nd shut-off valve 75,
13rd shut-off valve 76, the 14th shut-off valve 77, the 15th shut-off valve 78, the 16th shut-off valve 79, first filter 80 and
Tow filtrator 81, the 9th shut-off valve 72, first filter 80 and the tenth shut-off valve 73 are sequentially connected in series, the 11st cut-off
Valve 74, the second filter 81 and the 12nd shut-off valve 75 are sequentially connected in series, and 76 input terminal of the 13rd shut-off valve connects the 9th section
Only 74 input terminal of valve 72 and the 11st shut-off valve, 76 output end of the 13rd shut-off valve connect the tenth shut-off valve 73 and the 12nd
After 75 output end of shut-off valve, the emptying regulating valve 71 of the 14th shut-off valve 77, second and the 15th shut-off valve 78 are sequentially connected in series
It is in parallel with the 16th shut-off valve 79, the tenth shut-off valve 73, the 13rd shut-off valve 76 and the 12nd shut-off valve 75 it is defeated
Outlet connects the input terminal of the 14th shut-off valve 77 and the 16th shut-off valve 79.In order to ensure that liquid level is maintained in flash tank
In a certain range, the valve unit is arranged in flash tank outlet, is subject to and sets level value in flash tank, by adjusting the second emptying
Control valve opening size achievees the purpose that ensure flash tank liquid level.
This method can be by continuously detecting the hydrogen sulfide content in the sewage through desulfurization, to control the dosing of oxidation category medicament
Measure size, to make in flash tank desulphurization reaction proceed to become based on elemental sulfur, to save the usage amount of medicament, reduce at
This.This method chemical reaction velocity is fast, with obvious effects, and removal rate is high, can thoroughly remove the hydrogen sulfide in sewage；And sweetening process
Carried out in closed container, utmostly remove and be dissolved in hydrogen sulfide in sewage, avoid sulfide to sewage-treatment plant with
And staff causes damages.
Claims (6)
1. a kind of minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage, it is characterised in that：Sewage containing hydrogen sulfide is passed through
Pipeline is sent to flash tank entrance, while adding oxidation category medicament in flash tank entrance, and makes sewage and oxygen by tube mixer
Change and enter flash tank after class medicament is sufficiently mixed, the hydrogen sulfide in flash tank in sewage becomes single after being reacted with oxidation category medicament
Matter sulphur, SO3 2-Or SO4 2-；Gas is discharged from flash tank exhaust outlet in flash tank, and sewage is emitted into sewage from flash tank after desulfurization
Processing unit.
2. the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage according to claim 1, it is characterised in that：The oxidation
Class medicament is sodium hypochlorite.
3. the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage according to claim 1 or 2, it is characterised in that：In dirt
Water send to setting valve unit on the pipeline of flash tank entrance and adjusts the discharge of sewage, the valve unit include acceleration switching valve,
Regulating valve, the first shut-off valve, the second shut-off valve and third shut-off valve, second shut-off valve, regulating valve and third shut-off valve according to
First shut-off valve is parallel to after secondary concatenation, the acceleration switching valve output end connects first shut-off valve and the second cut-off
Valve input terminal.
4. the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage according to claim 1 or 2, it is characterised in that：Using
Pressure sensor monitors flash distillation pressure inside the tank in real time, when flashing pressure inside the tank more than setting value, by being set to flash tank row
Gas in tank is discharged the valve unit of gas port, and the valve unit includes putting the first emptying regulating valve, the 4th shut-off valve, the 5th
Shut-off valve and the 6th shut-off valve, the 4th shut-off valve, first emptying regulating valve and the 5th shut-off valve be sequentially connected in series after with it is described
6th shut-off valve is connected in parallel, and the 4th shut-off valve and the 6th shut-off valve input terminal connect flash tank exhaust outlet.
5. the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage according to claim 4, it is characterised in that：The valve
Unit further includes safety valve, the 7th shut-off valve and the 8th shut-off valve, and the 7th shut-off valve, safety valve and the 8th shut-off valve are successively
The input terminal and output end of the first emptying regulating valve are parallel to after concatenation.
6. the minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage according to claim 1 or 2, it is characterised in that：From sudden strain of a muscle
Steaming pot discharge sewage using valve unit adjust flow, the valve unit include second emptying regulating valve, the 9th shut-off valve,
Tenth shut-off valve, the 11st shut-off valve, the 12nd shut-off valve, the 13rd shut-off valve, the 14th shut-off valve, the 15th shut-off valve,
16th shut-off valve, first filter and the second filter, the 9th shut-off valve, first filter and the tenth shut-off valve are successively
Concatenation, the 11st shut-off valve, the second filter and the 12nd shut-off valve are sequentially connected in series, the 13rd shut-off valve input terminal
The 9th shut-off valve and the 11st shut-off valve input terminal are connected, the 13rd shut-off valve output end connects the tenth shut-off valve and the tenth
Two shut-off valve output ends, the 14th shut-off valve, second emptying regulating valve and the 15th shut-off valve be sequentially connected in series after with it is described
16th shut-off valve is in parallel, the output end connection of the tenth shut-off valve, the 13rd shut-off valve and the 12nd shut-off valve described the
The input terminal of 14 shut-off valves and the 16th shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366508.1A CN108622968A (en) | 2018-04-23 | 2018-04-23 | The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366508.1A CN108622968A (en) | 2018-04-23 | 2018-04-23 | The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108622968A true CN108622968A (en) | 2018-10-09 |
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ID=63694279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366508.1A Pending CN108622968A (en) | 2018-04-23 | 2018-04-23 | The minimizing technology of Oil ＆ gas field in sulfur Hydrogen Sulfide in Sewage |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55127126A (en) * | 1979-03-27 | 1980-10-01 | Idemitsu Kosan Co Ltd | Oxidation of hydrogen sulfide in exhalation from geothermal steam well |
| US6579506B2 (en) * | 1995-09-18 | 2003-06-17 | Turbotak Technologies Inc. | Treatment of gas streams containing reduced sulfur compounds |
| US20090178555A1 (en) * | 2008-01-14 | 2009-07-16 | Crits George J | Pressure in line degassing process in water treatment |
| CN101579603A (en) * | 2009-06-26 | 2009-11-18 | 北京化工大学 | Process for advanced treatment of waste alkali in hydrogen sulfide removal |
| CN201670743U (en) * | 2010-02-26 | 2010-12-15 | 中国石油天然气股份有限公司 | Self negative suction air lifting type sulfurated sewage purification device |
| CN102225819A (en) * | 2011-04-26 | 2011-10-26 | 中国石油化工股份有限公司 | Acidic water treatment method |
| CN103275749A (en) * | 2013-06-27 | 2013-09-04 | 中国海洋石油总公司 | Gas-liquid separation flash evaporation degassing tank |
| CN103435226A (en) * | 2013-08-27 | 2013-12-11 | 自贡市轻工业设计研究院有限责任公司 | Comprehensive treatment technology for formation water in natural gas extraction |
| CN103691274A (en) * | 2013-11-14 | 2014-04-02 | 中国石油化工股份有限公司 | Method for production regulation of chelated iron desulfurization process |
| CA2932261A1 (en) * | 2013-12-05 | 2015-06-11 | Exxonmobil Research And Engineering Company | Improved corrosion control in acid gas removal equipment by the situ generation of polysulfide ions |
| CN205133217U (en) * | 2015-07-28 | 2016-04-06 | 胜利油田兴通建设工程有限责任公司 | Oil field sewage hydrogen sulfide processing apparatus |
| CN206232529U (en) * | 2016-11-21 | 2017-06-09 | 克拉玛依市排水管理处 | Oil-polluted water desulfurization process system |
-
2018
- 2018-04-23 CN CN201810366508.1A patent/CN108622968A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55127126A (en) * | 1979-03-27 | 1980-10-01 | Idemitsu Kosan Co Ltd | Oxidation of hydrogen sulfide in exhalation from geothermal steam well |
| US6579506B2 (en) * | 1995-09-18 | 2003-06-17 | Turbotak Technologies Inc. | Treatment of gas streams containing reduced sulfur compounds |
| US20090178555A1 (en) * | 2008-01-14 | 2009-07-16 | Crits George J | Pressure in line degassing process in water treatment |
| CN101579603A (en) * | 2009-06-26 | 2009-11-18 | 北京化工大学 | Process for advanced treatment of waste alkali in hydrogen sulfide removal |
| CN201670743U (en) * | 2010-02-26 | 2010-12-15 | 中国石油天然气股份有限公司 | Self negative suction air lifting type sulfurated sewage purification device |
| CN102225819A (en) * | 2011-04-26 | 2011-10-26 | 中国石油化工股份有限公司 | Acidic water treatment method |
| CN103275749A (en) * | 2013-06-27 | 2013-09-04 | 中国海洋石油总公司 | Gas-liquid separation flash evaporation degassing tank |
| CN103435226A (en) * | 2013-08-27 | 2013-12-11 | 自贡市轻工业设计研究院有限责任公司 | Comprehensive treatment technology for formation water in natural gas extraction |
| CN103691274A (en) * | 2013-11-14 | 2014-04-02 | 中国石油化工股份有限公司 | Method for production regulation of chelated iron desulfurization process |
| CA2932261A1 (en) * | 2013-12-05 | 2015-06-11 | Exxonmobil Research And Engineering Company | Improved corrosion control in acid gas removal equipment by the situ generation of polysulfide ions |
| CN205133217U (en) * | 2015-07-28 | 2016-04-06 | 胜利油田兴通建设工程有限责任公司 | Oil field sewage hydrogen sulfide processing apparatus |
| CN206232529U (en) * | 2016-11-21 | 2017-06-09 | 克拉玛依市排水管理处 | Oil-polluted water desulfurization process system |
Non-Patent Citations (3)
| Title |
|---|
| 幸荣辉等: "《化工仪表及自动化知识》", 30 September 1985, 化学工业出版社 * |
| 斯派莎克工程有限公司: "《蒸汽和冷凝水系统》", 31 January 2007, 上海科学技术文献出版社 * |
| 施燮钧等: "《热力发电厂水处理 上 第3版》", 30 June 2000, 中国电力出版社 * |
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Application publication date: 20181009 |