CN104818068A - High-hydrogen sulfide natural gas or oil field associated gas desulfurization system - Google Patents
High-hydrogen sulfide natural gas or oil field associated gas desulfurization system Download PDFInfo
- Publication number
- CN104818068A CN104818068A CN201510168240.7A CN201510168240A CN104818068A CN 104818068 A CN104818068 A CN 104818068A CN 201510168240 A CN201510168240 A CN 201510168240A CN 104818068 A CN104818068 A CN 104818068A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- gas
- pipe
- desulfurization unit
- sweetening agent
- 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
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to a high-hydrogen sulfide natural gas or oil field associated gas desulfurization system, especially to a circulating desulfurization system. The system comprises more than one desulfurization unit, and the multiple desulfurization units are connected in series. The desulfurization units are divided into upper and lower desulfurization units and comprise first-stage desulfurization units and last-stage desulfurization units, wherein each stage of desulfurization unit comprises a static mixer and a gas-liquid separator. The system also comprises an H2S-containing natural gas intake-tube, a desulfurizer barren liquor inlet pipe, a sump oil pipe and a desulfurizer-enriched liquid pipe. The desulfurization system has a simple structure, has high design flexibility and is convenient to operate and maintain. Multi-stage desulfurization units can be arranged and are connected in series step by step. With the application of the static mixer, mass transfer effect is enhanced, and the desulfurization effect is raised. The whole device has a compact structure, is low-cost, has high operational flexibility and is convenient to maintain. The separator in each stage of desulfurization unit is provided with an oil trap, and sump oil on the surface of the desulfurizer-enriched liquid is discharged at fixed period. Thus, pollution of sump oil is avoided.
Description
Technical field
The present invention relates to the system of a kind of hydrogen sulfide bearing gas or oil well associated gas desulfurization, particularly a kind of system relating to circulation desulfurization.
Background technology
Along with the enhancing day by day of people's environmental consciousness, more severe environmental regulation is made in succession to control the discharge of noxious pollutant further in countries in the world.Meanwhile, as a kind of clean fuel and alternative industrial chemicals, the status of natural gas source is further outstanding, can predict Sweet natural gas by the status of petroleum replacing in energy consumption structure gradually, enter " Sweet natural gas century " to mid-term 21 century.
Most of raw natural gas or oil well associated gas all in various degree containing H
2s, H
2the existence of S can cause e-quipment and pipe to corrode, and pollutes the environment when being used as fuel, and harm user health, therefore as H in Sweet natural gas or associated gas
2when S content exceedes commodity makings figureofmerit or manages defeated requirement, suitable method must be adopted to be removed in allowed band.
At present, dry desulfurizing process is too high for high sulfur-containing natural gas cost, and conventional wet lay sulfur removal technology is used for H
2the equipment that S absorbs is generally tray column and packing tower, and this equipment size is huge, mass-transfer efficiency is stifled compared with low, easy tower, turndown ratio is little, cost is high.And exploitation is a kind of high containing H
2the method of S Sweet natural gas or oil well associated gas desulfurization, makes the desulfurizer that its desulfuration efficiency is high, device structure size is little, less investment, turndown ratio large, be easy to maintenance, be suitable for selexol process process, is conducive to solving height containing H
2the process problem of S Sweet natural gas.
Summary of the invention
The object of this invention is to provide a kind of high containing H
2the system of S Sweet natural gas or oil well associated gas desulfurization, solve current prior art exist desulfurizer huge, cost of investment is high, the problem that desulfuration efficiency is low.
Technical scheme of the present invention is achieved in the following ways:
A kind of hydrogen sulfide bearing gas or oil well associated gas desulphurization system, comprise the desulfurization unit that number is greater than 1, and multiple desulfurization unit is connected, desulfurization unit is wherein divided into the superior and the subordinate's desulfurization unit, comprise first step desulfurization unit and last step desulfurization unit, wherein every one-level desulfurization unit comprises static mixer and gas-liquid separator, and described system also comprises containing H
2the Sweet natural gas inlet pipe of S, sweetening agent lean solution liquid-inlet pipe, contaminated oil pipe, sweetening agent rich solution pipe.
The three-dimensional cylindrical structure of gas-liquid separator, be divided into top and bottom, upper end is connected with escape pipe, and lower end is connected with sweetening agent liquid discharge pipe; Also comprise the inlet baffle and oil scupper that are arranged on arranged on left and right sides, and be arranged on upper and lower two-part spray catcher and sweetening agent rich solution storage area.
Described sweetening agent lean solution liquid-inlet pipe is connected with on the left of gas-liquid separator by static mixer; Described contains H
2the Sweet natural gas inlet pipe of S is connected with sweetening agent lean solution; Described contaminated oil pipe is arranged on the right side of the gas-liquid separator of every one-level desulfurization unit.
Described escape pipe comprise recycle tracheae with purification tracheae, wherein purify tracheae be that the purification tracheae of last step desulfurization unit is connected with the gas-liquid separator upper end of last step desulfurization unit; Described recycles the purification tracheae that tracheae is other desulfurization units except last step desulfurization unit, wherein recycles tracheae and is connected with the sweetening agent lean solution liquid-inlet pipe in next stage desulfurization unit.
Desulfurization unit series-connected stage is several to be determined according to Sweet natural gas character and desulfurization index, and every grade of desulfurization unit is made up of static mixer and separator; The inlet mouth of first step desulfurization unit is connected with Characteristics of Hydrogen Sulfide Bearing Gas In China pipeline, and the air outlet of multiple desulfurization unit is successively connected in series with the inlet mouth of multiple desulfurization unit, and purified gas is discharged by last step desulfurization unit separator and entered gas external transport pipeline; Before the sweetening agent lean solution entrance of what desulfurization unit be parallel to sweetening agent lean solution come on liquid pipeline, the rich solution outlet of multiple desulfurization unit separator is parallel to rich solution and goes on the pipeline of regenerator column, and the sump oil outlet of multiple desulfurization unit separator is parallel to sump oil and goes on the pipeline of enclosed treatment system.
Beneficial effect: compared with the prior art the present invention has the following advantages: (1) this sulfur removal technology structure is simple, design flexibility is high, and do not relate to tray column or packing tower, level of automation is high, convenient operating maintenance; (2) can arrange Multistage desulfuration unit, be connected in series step by step, the use of static mixer, enhances effect of mass transmitting, improves sweetening effectiveness.Whole apparatus structure is compact, cost is low, turndown ratio is large, is convenient to safeguard; (3) in every grade of desulfurization unit, separator is provided with oil trap, regularly discharges the sump oil on sweetening agent rich solution surface, avoids the pollution of sump oil to sweetening agent.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention.
Fig. 2 is second system structure iron of the present invention.
Wherein: 1, static mixer 2, gas-liquid separator 3, sweetening agent rich solution district 4, inlet baffle 5, spray catcher 6, oil trap 7, Sweet natural gas inlet pipe 8, sweetening agent lean solution inlet pipe 9, contaminated oil pipe 10, sweetening agent rich solution pipe 11, escape pipe 12, circulation desulfurization pipe.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of hydrogen sulfide bearing gas or oil well associated gas desulphurization system, comprise the desulfurization unit that number is greater than 1, and multiple desulfurization unit is connected, desulfurization unit is wherein divided into the superior and the subordinate's desulfurization unit, comprise first step desulfurization unit and last step desulfurization unit, wherein every one-level desulfurization unit comprises static mixer 1 and gas-liquid separator 2, and described system also comprises containing H
2the Sweet natural gas inlet pipe 7 of S, sweetening agent lean solution liquid-inlet pipe 8, contaminated oil pipe 9, sweetening agent rich solution pipe 10.
The three-dimensional cylindrical structure of gas-liquid separator, be divided into top and bottom, upper end is connected with escape pipe 11, and lower end is connected with sweetening agent rich solution pipe 10; Also comprise the inlet baffle 4 and oil trap 6 that are arranged on arranged on left and right sides, and be arranged on upper and lower two-part spray catcher 5 and sweetening agent rich solution storage area 3.Described sweetening agent lean solution liquid-inlet pipe 8 is connected with on the left of gas-liquid separator 2 by static mixer 1; Described contains H
2the Sweet natural gas inlet pipe 7 of S is connected with sweetening agent lean solution inlet pipe 8; Described contaminated oil pipe 9 is arranged on the right side of the gas-liquid separator 2 of every one-level desulfurization unit.
Described escape pipe 11 comprises circulation desulfurization pipe 12 and escape pipe 11, and wherein escape pipe 11 is that the purification tracheae of last step desulfurization unit is connected with the gas-liquid separator upper end of last step desulfurization unit; Described recycles the purification tracheae that tracheae is other desulfurization units except last step desulfurization unit, wherein recycles tracheae and is connected with the sweetening agent lean solution liquid-inlet pipe in next stage desulfurization unit.
Principle of work: sweetening agent lean solution is fully contacted and reinforcing mass transfer by static mixer with the unstripped gas of incoming flow after pump supercharging, tentatively remove the hydrogen sulfide contained in Sweet natural gas, enter separator subsequently and carry out gas-liquid separation, Sweet natural gas after separation flows out from separator top, next stage desulfurization unit is entered after outlet spray catcher filters out the drop wherein carried, remove the hydrogen sulfide contained in gas further, meeting the requirements of purified gas, to carry out pipeline outer defeated or for natural gas processing; The sweetening agent rich solution of separator bottom is controlled by regulator of level, and squeezes into regenerator column with pump and carry out regeneration; On sweetening agent rich solution, the sump oil of enrichment enters oil trap, and regularly enters closed system process according to liquid level instruction.
Embodiment 1
The invention will be further described to say accompanying drawing 1 below in conjunction with explanation.
With reference to the accompanying drawings 1, a kind of hydrogen sulfide bearing gas or oil well associated gas desulphurization system comprise two desulfurization units, be divided into first step desulfurization unit and second stage desulfurization unit, wherein every one-level desulfurization unit comprises static mixer 1 and gas-liquid separator 2, and described system also comprises containing H
2the Sweet natural gas inlet pipe 6 of S, sweetening agent lean solution liquid-inlet pipe 7, contaminated oil pipe 8, sweetening agent rich solution pipe 9, gas-liquid separator is three-dimensional cylindrical structure, be divided into top and bottom, wherein the lower end of the gas-liquid separator of first step desulfurization unit is all provided with sweetening agent rich solution pipe 9 with the lower end of the gas-liquid separator of second stage desulfurization unit and connects, and sweetening agent lean solution liquid-inlet pipe 6 is connected by the left of static mixer and first step desulfurization unit and the gas-liquid separator of second stage desulfurization unit.
The gas-liquid separator upper end of first step desulfurization unit is connected with the sweetening agent lean solution liquid-inlet pipe 7 that circulation desulfurization pipe 12 is connected with the left side of the gas-liquid separator of second stage desulfurization unit and is connected; The gas-liquid separator upper end of second stage desulfurization unit is connected with escape pipe 11.
Structure in gas-liquid separator with limit in specification sheets consistent, too much do not describe.
Embodiment 2
With reference to the accompanying drawings 2, a kind of hydrogen sulfide bearing gas or oil well associated gas desulphurization system comprise three desulfurization units, be divided into first step desulfurization unit, second stage desulfurization unit and third stage desulfurization unit, wherein every one-level desulfurization unit comprises static mixer 1 and gas-liquid separator 2, and described system also comprises containing H
2the Sweet natural gas inlet pipe 6 of S, sweetening agent lean solution liquid-inlet pipe 7, contaminated oil pipe 8, sweetening agent rich solution pipe 9, gas-liquid separator is three-dimensional cylindrical structure, be divided into top and bottom, wherein the lower end of the gas-liquid separator of first step desulfurization unit is all provided with sweetening agent rich solution pipe 9 with the lower end of the gas-liquid separator of second stage desulfurization unit, third stage desulfurization unit and connects, and sweetening agent lean solution liquid-inlet pipe 6 is connected with on the left of first step desulfurization unit, second stage desulfurization unit and the gas-liquid separator of third stage desulfurization unit by static mixer.
The gas-liquid separator upper end of first step desulfurization unit is connected with the sweetening agent lean solution liquid-inlet pipe 7 that circulation desulfurization pipe 12 is connected with the left side of the gas-liquid separator of second stage desulfurization unit and is connected, and the gas-liquid separator upper end of second stage desulfurization unit is connected with the sweetening agent lean solution liquid-inlet pipe 7 that circulation desulfurization pipe 12 is connected with the left side of the gas-liquid separator of third stage desulfurization unit and is connected; The gas-liquid separator upper end of third stage desulfurization unit is connected with escape pipe 11.
Structure in gas-liquid separator with limit in specification sheets consistent, too much do not describe.
Claims (4)
1. a hydrogen sulfide bearing gas or oil well associated gas desulphurization system, it is characterized in that, comprise the desulfurization unit that number is greater than 1, desulfurization unit is wherein divided into the superior and the subordinate's desulfurization unit, comprise first step desulfurization unit and last step desulfurization unit, wherein said every one-level desulfurization unit comprises static mixer and gas-liquid separator, and described system also comprises containing H
2the Sweet natural gas inlet pipe of S, sweetening agent lean solution liquid-inlet pipe, contaminated oil pipe, sweetening agent rich solution pipe.
2. a kind of hydrogen sulfide bearing gas according to claim 1 or oil well associated gas desulphurization system, it is characterized in that, described gas-liquid separator is three-dimensional cylindrical structure, is divided into top and bottom, upper end is connected with escape pipe, and lower end is connected with sweetening agent liquid discharge pipe; Also comprise the inlet baffle and oil scupper that are arranged on arranged on left and right sides, and be arranged on upper and lower two-part spray catcher and sweetening agent rich solution storage area.
3. a kind of hydrogen sulfide bearing gas according to claim 1 and 2 or oil well associated gas desulphurization system, is characterized in that, described sweetening agent lean solution liquid-inlet pipe is connected with on the left of gas-liquid separator by static mixer; Described contains H
2the Sweet natural gas inlet pipe of S is connected with sweetening agent lean solution; Described contaminated oil pipe is arranged on the right side of the gas-liquid separator of every one-level desulfurization unit.
4. a kind of hydrogen sulfide bearing gas according to claim 1 and 2 or oil well associated gas desulphurization system, it is characterized in that, described escape pipe comprises circulation desulfurization pipe and escape pipe, and wherein said escape pipe is that the escape pipe of last step desulfurization unit is connected with the gas-liquid separator upper end of last step desulfurization unit; Described circulation desulfurization pipe is the escape pipe of other desulfurization units except last step desulfurization unit, and wherein circulation desulfurization pipe is connected with the sweetening agent lean solution liquid-inlet pipe in next stage desulfurization unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168240.7A CN104818068A (en) | 2015-04-11 | 2015-04-11 | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168240.7A CN104818068A (en) | 2015-04-11 | 2015-04-11 | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104818068A true CN104818068A (en) | 2015-08-05 |
Family
ID=53728553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168240.7A Pending CN104818068A (en) | 2015-04-11 | 2015-04-11 | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104818068A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107304663A (en) * | 2016-04-21 | 2017-10-31 | 中国石油天然气股份有限公司 | The sump oil sewage collection equipment and processing system of sulfur-containing gas |
| CN107460014A (en) * | 2017-05-23 | 2017-12-12 | 四川西油致诚石油技术有限公司 | A kind of selexol process process unit |
| CN107913648A (en) * | 2017-10-27 | 2018-04-17 | 中国石油化工股份有限公司 | A kind of pressure piping gas-liquid reactor and its processing method for oil well hydrogen sulfide treatment |
| CN108686474A (en) * | 2017-04-12 | 2018-10-23 | 北京华石联合能源科技发展有限公司 | A kind of high-efficiency desulfurization and regeneration integral system using suspension bed |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107046B1 (en) * | 1982-10-02 | 1987-05-06 | BASF Aktiengesellschaft | Process for the removal of co2 and, when present, h2s from natural gases |
| CN2105992U (en) * | 1991-06-28 | 1992-06-03 | 郑州工学院 | Gas absorption installation with static mixed element |
| CN1096810A (en) * | 1993-06-24 | 1994-12-28 | 陶子元 | Milk of lime removes the method for hydrogen sulfide in the Sweet natural gas |
| CN101037630A (en) * | 2007-04-24 | 2007-09-19 | 胜利油田胜利工程设计咨询有限责任公司 | Oil gas field natural gas high gravity desulfurization method |
| CN101831333A (en) * | 2010-04-18 | 2010-09-15 | 胜利油田胜利勘察设计研究院有限公司 | Method for desulphurizing natural gas in oil and gas fields |
| CN102643695A (en) * | 2012-05-16 | 2012-08-22 | 吴沛成 | Natural gas desulfurization process |
| CN203139872U (en) * | 2013-02-05 | 2013-08-21 | 华油天然气广安有限公司 | Acid gas exhaust preprocessing device of LNG (Liquefied Natural Gas) production equipment |
| CN103446873A (en) * | 2013-09-13 | 2013-12-18 | 鞍钢集团工程技术有限公司 | Desulfurization purifying method and equipment for high-concentration SO2 sintering flue gas |
-
2015
- 2015-04-11 CN CN201510168240.7A patent/CN104818068A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107046B1 (en) * | 1982-10-02 | 1987-05-06 | BASF Aktiengesellschaft | Process for the removal of co2 and, when present, h2s from natural gases |
| CN2105992U (en) * | 1991-06-28 | 1992-06-03 | 郑州工学院 | Gas absorption installation with static mixed element |
| CN1096810A (en) * | 1993-06-24 | 1994-12-28 | 陶子元 | Milk of lime removes the method for hydrogen sulfide in the Sweet natural gas |
| CN101037630A (en) * | 2007-04-24 | 2007-09-19 | 胜利油田胜利工程设计咨询有限责任公司 | Oil gas field natural gas high gravity desulfurization method |
| CN101831333A (en) * | 2010-04-18 | 2010-09-15 | 胜利油田胜利勘察设计研究院有限公司 | Method for desulphurizing natural gas in oil and gas fields |
| CN102643695A (en) * | 2012-05-16 | 2012-08-22 | 吴沛成 | Natural gas desulfurization process |
| CN203139872U (en) * | 2013-02-05 | 2013-08-21 | 华油天然气广安有限公司 | Acid gas exhaust preprocessing device of LNG (Liquefied Natural Gas) production equipment |
| CN103446873A (en) * | 2013-09-13 | 2013-12-18 | 鞍钢集团工程技术有限公司 | Desulfurization purifying method and equipment for high-concentration SO2 sintering flue gas |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107304663A (en) * | 2016-04-21 | 2017-10-31 | 中国石油天然气股份有限公司 | The sump oil sewage collection equipment and processing system of sulfur-containing gas |
| CN108686474A (en) * | 2017-04-12 | 2018-10-23 | 北京华石联合能源科技发展有限公司 | A kind of high-efficiency desulfurization and regeneration integral system using suspension bed |
| CN108686474B (en) * | 2017-04-12 | 2021-01-29 | 北京华石联合能源科技发展有限公司 | Efficient desulfurization and regeneration integrated system using suspension bed |
| CN107460014A (en) * | 2017-05-23 | 2017-12-12 | 四川西油致诚石油技术有限公司 | A kind of selexol process process unit |
| CN107460014B (en) * | 2017-05-23 | 2024-03-08 | 四川西油致诚石油技术有限公司 | Natural gas desulfurization process device |
| CN107913648A (en) * | 2017-10-27 | 2018-04-17 | 中国石油化工股份有限公司 | A kind of pressure piping gas-liquid reactor and its processing method for oil well hydrogen sulfide treatment |
| CN107913648B (en) * | 2017-10-27 | 2023-09-01 | 中国石油化工股份有限公司 | High-pressure pipeline gas-liquid reactor for treating hydrogen sulfide of oil well and treatment method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101831333B (en) | Method for desulphurizing natural gas in oil and gas fields | |
| BR102016004349A2 (en) | device and method for simultaneously removing hydrogen sulfide and biogas enhancement | |
| CN101037630B (en) | Oil gas field natural gas high gravity desulfurization method | |
| CN104818068A (en) | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system | |
| CN104043326B (en) | The device of a kind of industrial gases hypergravity removing hydrogen sulfide and technique | |
| KR101207532B1 (en) | Apparatus for performing drying and removing impurities process of bio-methane at high purity bio-methane purification system | |
| CN202605978U (en) | Cyclic desulfurization absorption tower for organic amines | |
| CN103111177A (en) | Method and device for removing hydrogen sulfide in gas phase through oxidation | |
| CN103421566B (en) | A kind of natural gas deviates from sulfur recovery technology and device | |
| CN210171207U (en) | Desulfurization acid making system | |
| CN109569193A (en) | It is a kind of to absorb the sulfur method synchronous with regeneration | |
| CN107569990A (en) | The depriving hydrogen sulphide of sulfurous gas-efficient oxidation regeneration integrated method and system | |
| CN203090756U (en) | Desulphurization device for hydrogen sulfide-containing gas | |
| CN210814652U (en) | Deep hydrogen sulfide removal device for sulfur recovery tail gas | |
| CN101239271B (en) | Cleaning treatment method of acid sewage storage tank discharging gas | |
| CN106335876A (en) | Purification device for sulfur-containing conversion gases | |
| CN106512705A (en) | Biological desulfurization device for flue gas | |
| CN212327831U (en) | Environmental-friendly resourceful treatment system for fireflood tail gas | |
| CN204710066U (en) | Biogas recirculation desulfurization preparation facilities | |
| CN103768892B (en) | Radial cross-flow moving bed reactor for adsorbing and removing hydrogen sulfide at variable temperature | |
| CN204853524U (en) | Desulfurizing dust remover | |
| CN113731098A (en) | Environmental-friendly resourceful treatment system and process flow for fireflooding tail gas | |
| CN202224019U (en) | Flue gas purification equipment | |
| CN102794086B (en) | Integrated acid-gas sulfur recovery treatment device | |
| CN206535391U (en) | A kind of embrane method Multistage desulfuration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150805 |