CN206927856U - A kind of demercaptaning for gasoline energy saving technique device and a kind of gasoline production line - Google Patents
A kind of demercaptaning for gasoline energy saving technique device and a kind of gasoline production line Download PDFInfo
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- CN206927856U CN206927856U CN201720886421.8U CN201720886421U CN206927856U CN 206927856 U CN206927856 U CN 206927856U CN 201720886421 U CN201720886421 U CN 201720886421U CN 206927856 U CN206927856 U CN 206927856U
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- mercaptans
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- demercaptaning
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Abstract
The utility model discloses a kind of demercaptaning for gasoline energy saving technique device, raw material surge tank, removal of mercaptans adsorption tower, gasoline settling tank and gasoline including being sequentially connected by pipeline send pump outside, raw material surge tank is connected with feed pipe, gasoline sends pump outside and is connected with discharge pipe, and removal of mercaptans auxiliary agent is accommodated in removal of mercaptans adsorption tower.Compared with prior art, the utility model just need to can only realize the doctor process processing to gasoline by removal of mercaptans adsorption tower, and raw material surge tank and gasoline settling tank can ensure level stability in removal of mercaptans adsorption tower, gasoline is ensured containing amount of mercaptans steady qualified.This programme greatly reduces the consumption of conventional adjuvants, it is entirely avoided the generation of alkaline residue, while make it that Gasoline de-mercaptan is simpler.The invention also discloses a kind of gasoline production line for including above-mentioned demercaptaning for gasoline energy saving technique device.
Description
Technical field
It the utility model is related to petrochemical process technical field, more particularly to a kind of demercaptaning for gasoline energy saving technique device
With a kind of gasoline production line.
Background technology
It is increasingly serious with problem of environmental pollution, and the raising to discharge standard, control of the country to gasoline sulfure content
Standard processed also more and more higher.Gasoline de-mercaptan process of the prior art is as follows：Stable gasoline returns from gasoline hydrogenation device
The circulation alkali liquor of (temperature drops to 40 DEG C, pressure 0.4MPa) with 10% or so in blender mixes afterwards, subsequently into pre-alkali
Settling tank is washed, so as to which the hydrogen sulfide carried in gasoline be washed out；Gasoline after caustic prescrub is come out at the top of settling tank and activator
And non-purification wind enters blender in the lump, subsequently into adsorption reaction is carried out in reactor, thereby using charcoal absorption vapour
Mercaptan thioether in oil；Enter gasoline settling tank, tail dissolved with the gasoline of disulphide and the mixture of superfluous air after reaction
Gas enters tail gas liquid separation tank at the top of gasoline settling tank, so as to which caused tail gas in gasoline sweetening process be separated；Afterwards
The gasoline in gasoline settling tank is delivered in sand tower with pump and filters off the impurity such as the alkali lye for removing portion of residual, is eventually adding anti-glue
Agent carrying device.
Existing Gasoline de-mercaptan is sufficiently complex, it is necessary to consume substantial amounts of alkali lye and sulfonation titanium cyanogen cobalt, activated carbon
With the auxiliary agent such as acetic acid, meanwhile, in caustic prescrub step, when concentration of lye reaches saturation, alkali lye contacted with gasoline can produce it is big
Alkaline residue is measured, this make it that demercaptaning for gasoline step is more complicated, and efficiency is lower.
Therefore, how to reduce the consumption of auxiliary agent and reduce the generation of alkaline residue, while simplify Gasoline de-mercaptan, be this
The current technical issues that need to address of art personnel.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of demercaptaning for gasoline energy saving technique device, and the device can be with
The consumption of auxiliary agent is substantially reduced while guarantee gasoline normal mercaptans content, and avoids the generation of alkaline residue, while causes vapour
The doctor process of oil is simpler.Another purpose of the present utility model is to provide a kind of gasoline production line.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of demercaptaning for gasoline energy saving technique device, including the raw material surge tank, the removal of mercaptans that are sequentially connected by pipeline are inhaled
Attached tower, gasoline settling tank and gasoline send pump outside, and the raw material surge tank is connected with feed pipe, and the gasoline sends pump connection outside
There is discharge pipe, removal of mercaptans auxiliary agent is accommodated in the removal of mercaptans adsorption tower.
Preferably, in above-mentioned demercaptaning for gasoline energy saving technique device, the raw material surge tank adsorbs with the removal of mercaptans
First flow regulating valve is provided with pipeline between tower, the raw material surge tank, which is provided with, to be used to measure in the raw material surge tank
The first liquid level gauge of liquid level, the first liquid level gauge and the first flow regulating valve cascade arrangement.
Preferably, in above-mentioned demercaptaning for gasoline energy saving technique device, the gasoline settling tank sends pump outside with the gasoline
Between pipeline on be provided with second flow regulating valve, the gasoline settling tank, which is provided with, to be used to measure liquid in the gasoline settling tank
The second liquid level gauge of position, the second liquid level gauge and the second flow regulating valve cascade arrangement.
Preferably, in above-mentioned demercaptaning for gasoline energy saving technique device, the gasoline sends pump outside and is connected with frequency converter, described
Second liquid level gauge is connected with the frequency converter.
Demercaptaning for gasoline energy saving technique device provided by the utility model, including the raw material being sequentially connected by pipeline buffer
Tank, removal of mercaptans adsorption tower, gasoline settling tank and gasoline send pump outside, and raw material surge tank is connected with feed pipe, and gasoline sends pump outside
Discharge pipe is connected with, removal of mercaptans auxiliary agent is accommodated in removal of mercaptans adsorption tower.
When carrying out doctor process processing, stable gasoline delays after gasoline hydrogenation device returns, through feed pipe into raw material
Tank is rushed, then enters through piping in removal of mercaptans adsorption tower and carries out adsorption reaction with removal of mercaptans auxiliary agent, after adsorption reaction
Gasoline, which enters, settles buffering in gasoline settling tank, finally sent outside and pumped out by gasoline.Compared with prior art, the utility model
Just it need to can only be realized by removal of mercaptans adsorption tower to the processing of the doctor process of gasoline, raw material surge tank and gasoline settling tank can be with
Ensure level stability in removal of mercaptans adsorption tower, gasoline is ensured containing amount of mercaptans steady qualified.This programme greatly reduces tradition and helped
The consumption of agent, it is entirely avoided the generation of alkaline residue, while make it that Gasoline de-mercaptan is simpler.
The utility model additionally provides a kind of gasoline production line for including above-mentioned demercaptaning for gasoline energy saving technique device.The vapour
The beneficial effect that the derivation of beneficial effect caused by oily production line is come with above-mentioned demercaptaning for gasoline energy saving technique device band
Derivation is substantially similar, therefore repeats no more herein.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the arrangement schematic diagram of the demercaptaning for gasoline energy saving technique device in the utility model specific embodiment.
In Fig. 1：
1- feed pipes, 2- raw materials surge tank, 3- first liquid level gauges, 4- removal of mercaptans adsorption tower, 5- gasoline settling tank, 6-
Two liquid level gauges, 7- second flows regulating valve, 8- discharge pipes, 9- frequency converters, 10- gasoline send pump, the regulation of 11- first flows outside
Valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 is refer to, Fig. 1 is that the arrangement of the demercaptaning for gasoline energy saving technique device in the utility model specific embodiment is shown
It is intended to.
In a kind of specific embodiment scheme, the utility model provides a kind of demercaptaning for gasoline energy saving technique device, bag
Include the raw material surge tank 2 being sequentially connected by pipeline, removal of mercaptans adsorption tower 4, gasoline settling tank 5 and gasoline and send pump 10 outside, it is former
Material surge tank 2 is connected with feed pipe 1, and gasoline sends pump 10 outside and is connected with discharge pipe 8, accommodated in removal of mercaptans adsorption tower 4 de-
Mercaptan auxiliary agent.
When carrying out the doctor process processing of gasoline, (temperature drops to 40 DEG C, pressure after stable gasoline returns from gasoline hydrogenation device
Power is 0.4MPa), enter raw material surge tank 2 through feed pipe 1, then through piping enter in removal of mercaptans adsorption tower 4 with removal of mercaptans
Auxiliary agent carries out adsorption reaction, and gasoline after adsorption reaction, which enters, settles buffering in gasoline settling tank 5, finally by gasoline outside
Pump 10 and discharge pipe 8 is sent to send out.Compared with prior art, the utility model only need to just can be real by removal of mercaptans adsorption tower 4
Now the doctor process of gasoline is processed, raw material surge tank 2 and gasoline settling tank 5 can ensure liquid level in removal of mercaptans adsorption tower 4
It is stable, gasoline is ensured containing amount of mercaptans steady qualified.This programme greatly reduces the consumption of conventional adjuvants, it is entirely avoided alkali
The generation of slag, while make it that Gasoline de-mercaptan is simpler.
Preferably, it is provided with first flow on the pipeline between the raw material surge tank 2 and removal of mercaptans adsorption tower 4 in this programme
Regulating valve 11, raw material surge tank 2, which is provided with, is used to measuring the first liquid level gauge 3 of liquid level in raw material surge tank 2, first liquid level gauge 3 with
The cascade arrangement of first flow regulating valve 11.It is arranged such, the liquid level of raw material surge tank 2 and the feed rate of removal of mercaptans adsorption tower 4
Then realize liquid level and show flow control plan, specifically, the liquid level signal of first liquid level gauge 3 can be with Real-time Feedback to first-class
Adjustable valve 11, and the height shown according to liquid level controls the aperture of first flow regulating valve 11, such as when first liquid level gauge 3
Liquid level decline when, show that the adsorption reaction speed in removal of mercaptans adsorption tower 4 is too fast, in order to stablize the liquid in raw material surge tank 2
Position, first liquid level gauge 3 is issued by the signal that a control flow reduces, so as to control the aperture of first flow regulating valve 11 to subtract
It is small, and then reduce the feed rate of removal of mercaptans adsorption tower 4, and the liquid level of raw material surge tank 2 is revert to normal safe range
It is interior, it is unlikely to cutout production phenomenon occur.
Preferably, gasoline settling tank 5 and gasoline, which are sent outside, is provided with second flow regulating valve 7, vapour on the pipeline between pump 10
Oily settling tank 5 is provided with the second liquid level gauge 6 for being used for measuring liquid level in gasoline settling tank 5, and second liquid level gauge 6 is adjusted with second flow
The cascade arrangement of valve 7.It is arranged such, the liquid level and gasoline of gasoline settling tank 5, which send sending outside for pump 10 outside, then realizes liquid between flow
Position show flow control plan, specifically, the liquid level signal of second liquid level gauge 6 can with Real-time Feedback to second flow regulating valve 7,
And the height shown according to liquid level controls the aperture of second flow regulating valve 7, such as when the liquid level of second liquid level gauge 6 declines,
Show gasoline send outside pump 10 outer transmission rate it is too fast, for the liquid level in stable gasoline settling tank 5, second liquid level gauge 6 is issued by
The signal that one control flow reduces, so as to control the aperture of second flow regulating valve 7 to reduce, and then reduce gasoline and send pump 10 outside
Send flow outside, and the liquid level of gasoline settling tank 5 is revert in the range of normal safety levels.
Preferably, the gasoline in this programme, which sends pump 10 outside, can also be connected with frequency converter 9, second liquid level gauge 6 and frequency converter 9
Connection, is arranged such, it is possible to the liquid level signal using second liquid level gauge 6 is realized to the adjustment control of frequency converter 9, such as when the
When the liquid levels of two liquid level gauges 6 declines, show gasoline send outside pump 10 to send flow outside excessive, in order in stable gasoline settling tank 5
Liquid level, second liquid level gauge 6, which is issued by one, reduces the control signal that gasoline sends pump 10 outside, and now frequency converter 9 is then controlled outside gasoline
Sending the rotating speed of pump 10 reduces, that is, the output flow that gasoline sends pump 10 outside is reduced, so that gasoline settling tank 5 revert to safe liquid
In the range of position.
In summary, demercaptaning for gasoline energy saving technique device provided by the utility model can make liquid level in tower keep steady
Fixed, gasoline held stationary containing amount of mercaptans is qualified, reaches the gasoline requirement of state five.Effectively prevent pipeline tower from building the pressure in system, simultaneously
Gas in tower and the external world can also reliably be completely cut off, prevent the generation of security incident.This programme can ensure gasoline
The consumption of auxiliary agent is substantially reduced while normal mercaptans content, and avoids the generation of alkaline residue, while causes the removal of mercaptans of gasoline
Technique is simpler.
Verified by actual production, this programme compared with the prior art compared with can save 200 tons of alkali lye, 40 kilograms of sulphurs every year
Change titanium cyanogen cobalt, 36 tons of activated carbons and 4 tons of acetic acid, it is only necessary to which 300ppm removal of mercaptans auxiliary agent is the doctor process that gasoline can be achieved.
The utility model additionally provides a kind of gasoline production line for including above-mentioned demercaptaning for gasoline energy saving technique device.The vapour
The beneficial effect that the derivation of beneficial effect caused by oily production line is come with above-mentioned demercaptaning for gasoline energy saving technique device band
Derivation is substantially similar, therefore repeats no more herein.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (5)
1. a kind of demercaptaning for gasoline energy saving technique device, it is characterised in that including the raw material surge tank being sequentially connected by pipeline
(2), removal of mercaptans adsorption tower (4), gasoline settling tank (5) and gasoline send pump (10) outside, the raw material surge tank (2) be connected with into
Pipe material (1), the gasoline send pump (10) outside and are connected with discharge pipe (8), and desulfurization is accommodated in the removal of mercaptans adsorption tower (4)
Alcohol auxiliary agent.
2. demercaptaning for gasoline energy saving technique device according to claim 1, it is characterised in that the raw material surge tank (2)
First flow regulating valve (11) is provided with pipeline between the removal of mercaptans adsorption tower (4), the raw material surge tank (2) sets
There are the first liquid level gauge (3) for measuring the interior liquid level of the raw material surge tank (2), the first liquid level gauge (3) and described first
Flow control valve (11) cascade arrangement.
3. demercaptaning for gasoline energy saving technique device according to claim 1, it is characterised in that the gasoline settling tank (5)
Sent outside with the gasoline and second flow regulating valve (7) is provided with the pipeline between pump (10), the gasoline settling tank (5) is provided with
For measuring the second liquid level gauge (6) of the interior liquid level of the gasoline settling tank (5), the second liquid level gauge (6) and the second
Adjustable valve (7) cascade arrangement.
4. demercaptaning for gasoline energy saving technique device according to claim 3, it is characterised in that the gasoline sends pump (10) outside
Frequency converter (9) is connected with, the second liquid level gauge (6) is connected with the frequency converter (9).
5. a kind of gasoline production line, it is characterised in that including the demercaptaning for gasoline section as any one of Claims 1-4
Can process unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886421.8U CN206927856U (en) | 2017-07-20 | 2017-07-20 | A kind of demercaptaning for gasoline energy saving technique device and a kind of gasoline production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886421.8U CN206927856U (en) | 2017-07-20 | 2017-07-20 | A kind of demercaptaning for gasoline energy saving technique device and a kind of gasoline production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206927856U true CN206927856U (en) | 2018-01-26 |
Family
ID=61355284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720886421.8U Active CN206927856U (en) | 2017-07-20 | 2017-07-20 | A kind of demercaptaning for gasoline energy saving technique device and a kind of gasoline production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206927856U (en) |
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2017
- 2017-07-20 CN CN201720886421.8U patent/CN206927856U/en active Active
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