CN207987128U - A kind of associated gas desulfurization process system - Google Patents
A kind of associated gas desulfurization process system Download PDFInfo
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- CN207987128U CN207987128U CN201820382543.8U CN201820382543U CN207987128U CN 207987128 U CN207987128 U CN 207987128U CN 201820382543 U CN201820382543 U CN 201820382543U CN 207987128 U CN207987128 U CN 207987128U
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- absorption tower
- acid gas
- connect
- oxidation reactor
- gas absorption
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Abstract
The utility model discloses a kind of associated gas desulfurization process system, including acid gas absorption tower, oxidation reactor and bag type filtering machine, the acid gas absorption tower connects associated gas conveyance conduit, it is provided with pressure-regulating valve and metering device on associated gas conveyance conduit, acid gas absorption tower is also connect by reaction solution conveyance conduit with reaction liquid storage tank, it is connect with knockout drum by gas transmission pipeline after absorption at the top of acid gas absorption tower, knockout drum connects gas emission pipe, and the bottom on acid gas absorption tower is connect by the first sulphur solution delivery line with oxidation reactor；The oxidation reactor is also connected with air pipeline, and roots blower is provided on air pipeline, the bottom of oxidation reactor is provided with settling cone bottom, settling cone bottom starches solution delivery line by the second sulphur and connects bag type filtering machine.The utility model can carry out desulfurization process to associated gas, and desulfurization effect is good, and sulfur product can be obtained in sweetening process, improves the added value of desulfurization process.
Description
Technical field
The utility model is related to a kind of systems handled external associated gas of standing, concretely relate to a kind of oil
Field associated gas desulfurization process system.
Background technology
Associated gas refers to because oil field is in recovery process, will appear between oil reservoir with petroleum liquid appearance
Gas, main component are methane, usually contain a large amount of ethane and hydrocarbon heavy constituent.Associated gas recovery processing refers to just by second
Alkane, propane, butane and heavy constituent are separated from air-flow, they can be further processed, as pure component or natural gas
Mixed liquor (NGL) or LPG sale.
It discloses application No. is 201621369910.8 Chinese utility model patent and a kind of isolating LPG using associated gas
With the processing unit of stable light hydrocarbon, which can carry out sequential processes to external associated gas of standing, through desulfurization, metering, increasing
Pressure, it is dry remove water and impurity therein, so that mixed hydrocarbon is detached from gas, at the same time, by mixed hydrocarbon be further separated into LPG and
Stable light hydrocarbon product improves the added value of associated gas.However, the sweetening process in the processing unit is more simple, desulfurization effect
It is bad, and cannot be by the sulphur ingredient effective recycling of abjection.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of associated gas desulfurization process system.
Technical solution used by the utility model is：
A kind of associated gas desulfurization process system, including acid gas absorption tower, oxidation reactor and bag type filtering machine, it is described
Acid gas absorption tower connects associated gas conveyance conduit, and pressure-regulating valve and metering device are provided on associated gas conveyance conduit, acid
Aspiration tower is also connect by reaction solution conveyance conduit with reaction liquid storage tank, and the top on acid gas absorption tower is defeated by gas after absorption
Pipeline is sent to be connect with knockout drum, knockout drum connects gas emission pipe up to standard, and the bottom on acid gas absorption tower passes through the
One sulphur solution delivery line is connect with oxidation reactor；The oxidation reactor is also connected with air pipeline, on air pipeline
It is provided with roots blower, the bottom of oxidation reactor is provided with settling cone bottom, settling cone bottom is starched solution by the second sulphur and conveyed
Pipeline connects bag type filtering machine.
Preferably, the bottom on acid gas absorption tower is provided with Liquid level adjusting valve.
Preferably, settling cone bottom being provided with air and purges ring, air purging ring is connect with compressed air tunnel,
It is laid with nozzle on air purging ring.
Preferably, the bag type filtering machine is connect by filtrate recovery channel with acid gas absorption tower.
The advantageous effects of the utility model are：
The utility model can carry out desulfurization process to associated gas, and desulfurization effect is good, and can be obtained in sweetening process
To sulfur product, the added value of desulfurization process is improved, reduces desulfurization process cost.
Description of the drawings
The utility model is described in further detail with specific implementation mode below in conjunction with the accompanying drawings：
Fig. 1 is the principle schematic diagram of the utility model.
Specific implementation mode
In conjunction with attached drawing, a kind of associated gas desulfurization process system, including acid gas absorption tower 1, oxidation reactor 2 and pocket type
Filter 3.The acid gas absorption tower 1 connects associated gas conveyance conduit 4, and pressure adjusting is provided on associated gas conveyance conduit 4
Valve 5 and metering device 6, acid gas absorption tower 1 are also connect by reaction solution conveyance conduit 7 with reaction liquid storage tank 8.Acid gas absorption tower 1
Top connect with knockout drum 10 by gas transmission pipeline after absorption 9, knockout drum 10 connects gas up to standard discharge
Pipeline 11.The bottom on acid gas absorption tower 1 is connect by the first sulphur solution delivery line 12 with oxidation reactor 2.The oxidation
Reactor 2 is also connected with air pipeline 13, and roots blower 14 is provided on air pipeline 13.It is set in the bottom of oxidation reactor 2
It is equipped with settling cone bottom 15, settling cone bottom 15 starches solution delivery line 16 by the second sulphur and connects bag type filtering machine 3.
As the further design to the utility model, the bottom on acid gas absorption tower 1 is provided with Liquid level adjusting valve 17.
Further, air purging ring 18 is provided on settling cone bottom 15, air purges ring and blowpipe
Road connects, and nozzle 19 is laid on air purging ring.
Further, the bag type filtering machine 3 is connect by filtrate recovery channel 20 with acid gas absorption tower 1.
The course of work of the utility model approximately as：
Associated gas enters acid gas absorption tower 1 after pressure is adjusted and is measured.In acid gas absorption tower, acid associated gas
It is contacted with each other with the solution containing catalyst, the H in gas2S is reacted with the iron ion in catalyst, generates sulphur simple substance.It is molten
Fe in liquid3+It is reduced into Fe2+.Gas after absorption is after knockout drum 10 carries out liquid separation and collection, rear gas up to standard
Body is sent to subsequent handling through gas emission pipe 11 up to standard.The solution that sulphur is generated in acid gas absorption tower is acted in pressure itself
Under, enter oxidation reactor 2 after the flow adjustment of Liquid level adjusting valve 17 by absorption tower cone bottom.
In oxidation reactor 2, in such a way that roots blower 14 blasts air, air enters oxidizing tower, in solution
Ferrous ion comes into full contact with and reacts with the oxygen in air, and solution catalyst restores reactivity again, then passes through absorbing liquid
Pump squeezes into acid gas absorption tower again, ensures treatment effect of the System Solution to sour gas.
The sulphur generated in absorption tower brings oxidation reactor 2 by solution cycle, and in the heavy of oxidation reactor bottom
Drop cone bottom 15 is gradually settled into the sulphur slurry of solid content 5-15wt%.Settling cone bottom is provided with air purging ring 18, and air purges ring
On spread all over nozzle 19, periodically use compressed air purging settling cone bottom, to prevent sulphur from adhering to.Sulphur slurry containing higher concentration sulphur
It is pumped to bag type filtering machine 3 by sulphur slurry, sulfur product is obtained after filtering, filtrate returns acid gas absorption tower 1.
The related technology contents that do not addressed in aforesaid way are taken or are used for reference prior art and can be realized.
It should be noted that above-described embodiment simply to illustrate that the utility model technical thought and feature, purpose
It is that technical staff can understand the content of the utility model and method and can smoothly implement, is not intended to limit the utility model
Protection domain.Every equivalent change or modification made according to the utility model content, all covers the protection in the utility model
In range.
Claims (4)
1. a kind of associated gas desulfurization process system, it is characterised in that：Including acid gas absorption tower, oxidation reactor and pocket type mistake
Filter, the acid gas absorption tower connect associated gas conveyance conduit, pressure-regulating valve and meter are provided on associated gas conveyance conduit
Device is measured, acid gas absorption tower is also connect by reaction solution conveyance conduit with reaction liquid storage tank, passes through suction at the top of acid gas absorption tower
Gas transmission pipeline is connect with knockout drum after receipts, and knockout drum connects gas emission pipe up to standard, acid gas absorption tower
Bottom is connect by the first sulphur solution delivery line with oxidation reactor；The oxidation reactor is also connected with air pipeline,
It is provided with roots blower on air pipeline, the bottom of oxidation reactor is provided with settling cone bottom, settling cone bottom passes through the second sulphur
It starches solution delivery line and connects bag type filtering machine.
2. a kind of associated gas desulfurization process system according to claim 1, it is characterised in that：On acid gas absorption tower
Bottom is provided with Liquid level adjusting valve.
3. a kind of associated gas desulfurization process system according to claim 1, it is characterised in that：It is arranged at settling cone bottom
There is free air-blowing to sweep ring, air purging ring is connect with compressed air tunnel, and nozzle is laid on air purging ring.
4. a kind of associated gas desulfurization process system according to claim 1, it is characterised in that：The bag type filtering machine
It is connect with acid gas absorption tower by filtrate recovery channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382543.8U CN207987128U (en) | 2018-03-20 | 2018-03-20 | A kind of associated gas desulfurization process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382543.8U CN207987128U (en) | 2018-03-20 | 2018-03-20 | A kind of associated gas desulfurization process system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207987128U true CN207987128U (en) | 2018-10-19 |
Family
ID=63828484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820382543.8U Active CN207987128U (en) | 2018-03-20 | 2018-03-20 | A kind of associated gas desulfurization process system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207987128U (en) |
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2018
- 2018-03-20 CN CN201820382543.8U patent/CN207987128U/en active Active
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