CN105586088B - A kind of dry gas lime set processing method - Google Patents
A kind of dry gas lime set processing method Download PDFInfo
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- CN105586088B CN105586088B CN201410573709.0A CN201410573709A CN105586088B CN 105586088 B CN105586088 B CN 105586088B CN 201410573709 A CN201410573709 A CN 201410573709A CN 105586088 B CN105586088 B CN 105586088B
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- dry gas
- lime set
- flow container
- upgrade
- desulphurization unit
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Abstract
The present invention discloses a kind of dry gas lime set processing method, the dry gas of different material is divided into heavy constituent dry gas group and light component dry gas group, different Upgrade for Dry Gas Desulphurization Unit are utilized respectively to be handled, the lime set that heavy constituent dry gas group is produced after dry gas point flow container processing is sent into distilling apparatus by pipeline and handled, light component dry gas group generation lime set after dry gas point flow container processing is delivered to wax catalysis device absorption stabilizing system and handled, by this technical scheme of the present invention, quality influence and safety and environmental protection risk of the dry gas lime set on follow up device can be avoided.
Description
Technical field
The present invention relates to a kind of method of processing Upgrade for Dry Gas Desulphurization Unit raw material dry gas lime set (abbreviation dry gas lime set), to avoid
Dry gas lime set influences on other devices, reduces and produces light sump oil.
Background technology
Upgrade for Dry Gas Desulphurization Unit be mainly used to processing wax catalysis dry gas, heavy-oil catalytic dry gas, coking dry gas, hydrogenation dry gas and
Torch reclaims gas, as shown in figure 1, Upgrade for Dry Gas Desulphurization Unit include dry gas point flow container 1, dry gas absorption tower 2, dry gas amine liquid recycling can 3,
Solvent circulating pump 4, solvent tanker 5, dry gas point flow container 1 receive the dry gas from hydrogenation plant by pipeline g1, pass through pipeline g2
Receive urged to conduct oneself with dignity device dry gas, by pipeline g3 receive the dry gas from another hydrogenation plant, by pipeline g4 receive come
Dry gas from coking plant, the dry gas from wax catalysis device received by pipeline g5, the system of coming from is received by pipeline g6
Torch gas, it is logical that the dry gas lime set part that dry gas point flow container is produced is emitted into low pressure gas pipe network, a part by pipeline g7
Cross pipeline g8 and be emitted into wax catalysis device absorption stabilizing system, a part and light dirty tank field is emitted into by pipeline g9；Due to original
Expect that dry gas species is more, upstream device operation is slightly fluctuated, and will result in material clamp band, produces raw material dry gas lime set, has
It is due to then that pressure rise gas is compressed and liquefied and produced to carry material secretly, so the composition of dry gas lime set is also various, is had
Dry gas lime set component is heavier, is diesel component, and some dry gas lime set components are lighter, is light naphthar even liquefied gas component.
Existing dry gas lime set processing mode has following three kinds：
First, wax catalysis device freshening is sent from force feed to light slop tank, then by light slop tank using dry gas point flow container；It is this
Processing mode can have the disadvantage that：When dry gas lime set composition is lighter, light component can be caused to be overflowed in light dirty tank field, naked light is run into
Fire explosion can be also caused, there is safety and environmentally friendly risk；Because hydraulic fluid process is from pressing, if operation is not using dry gas
When dry gas raw material surge tank is pressed empty, it will result in sulfide hydrogen dry gas and overflowed in light dirty tank, personnel can be caused to be poisoned, run into bright
Fire can also cause fire explosion, there is safety and environmentally friendly risk.
2nd, wax catalysis is sent from force feed to low pressure gas lime set tank, then by low pressure gas lime set tank using dry gas point flow container
Device freshening；This processing mode can have the disadvantage that：When dry gas lime set composition is lighter, meeting gas in low pressure gas pipe network
Change, come back to torch gas holder, Upgrade for Dry Gas Desulphurization Unit formation endless loop is turned again to by compressor compresses；If dry gas lime set
Composition is heavier, when doing more than 205 DEG C of index, if sending wax catalysis device absorption stabilizing system freshening, can cause to stablize vapour
Oil is done unqualified.
3rd, freshening is carried out from force feed to wax catalysis device absorption stabilizing system using dry gas point flow container.This processing side
Formula can have the disadvantage that：Dry gas lime set composition is heavier, when doing more than 205 DEG C of index, if sending wax catalysis device to absorb
Systems stabilisation freshening, can cause stable gasoline to do unqualified.
As can be seen here, a kind of dry gas lime set processing method how is provided, it is to avoid dry gas lime set influences and pacified on other devices
Loopful protects risk, shortens dry gas lime set processing intermediate links, reduces and produce light sump oil, and this is the skill that this area needs to solve at present
Art problem.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, it is an object of the present invention to provide a kind of dry gas lime set processing method,
Avoid dry gas lime set from being influenceed on other devices and safety and environmental protection risk, shorten dry gas lime set processing intermediate links, reduce generation light
Sump oil.
A kind of dry gas lime set processing method, comprises the following steps：
1) the restructuring packet dry gas including wax catalysis dry gas and heavy-oil catalytic dry gas is sent into the first Upgrade for Dry Gas Desulphurization Unit
Handled, the light component group dry gas that gas is reclaimed including torch is sent into the second Upgrade for Dry Gas Desulphurization Unit is handled；
2) after the dry gas point flow container of restructuring packet dry gas into the first Upgrade for Dry Gas Desulphurization Unit is handled, the lime set pressure of generation
Send into distilling apparatus；
3) after the dry gas point flow container of light component group dry gas into the second Upgrade for Dry Gas Desulphurization Unit is handled, the dry gas of generation coagulates
Hydraulic pressure delivers to wax catalysis device absorption stabilizing system；
Step 2), step 3) without sequencing.
Preferably, step 2) in, dry gas lime set force feed speed is 3~4 ton hours.
Preferably, step 2) in, the liquid volume in dry gas point flow container account for the dry gas point half volume of flow container one 10%~
40%.
Preferably, step 2) in, the liquid volume in dry gas point flow container account for the dry gas point half volume of flow container one 15%~
35%.
Preferably, step 2) in, the liquid volume in dry gas point flow container account for the dry gas point half volume of flow container one 20%~
30%.
Preferably, step 2) in, the dry gas point flow container of the first Upgrade for Dry Gas Desulphurization Unit passes through a pipeline and the distilling apparatus
The pump connection that distills the crude oil, the dry gas lime set that the dry gas of first Upgrade for Dry Gas Desulphurization Unit point flow container is produced sends into from the pipeline
The distilling apparatus.
Compared with prior art, a kind of dry gas lime set processing method of the invention, is divided into restructuring by the dry gas of different material
Dry gas group and light component dry gas group is divided to be utilized respectively different Upgrade for Dry Gas Desulphurization Unit and handled, heavy constituent dry gas group is through dry gas point
The lime set produced after flow container processing is sent into distilling apparatus by pipeline and handled, and light component dry gas group is handled through dry gas point flow container
Generation lime set is delivered to wax catalysis device absorption stabilizing system and handled afterwards, can by this technical scheme of the present invention
Avoid quality influence and safety and environmental protection risk of the dry gas lime set on follow up device.
Brief description of the drawings
Fig. 1 is the flow chart of dry gas processing method in the prior art；
Fig. 2 is the process chart of restructuring packet dry gas in dry gas processing method of the embodiment of the present invention；
Fig. 3 is the process chart of light component group dry gas in dry gas processing method of the embodiment of the present invention.
Embodiment
It is detailed below in conjunction with being carried out by specific embodiment to the present invention to make technical scheme clearer
Describe in detail bright.
The present inventor is had found by studying：The composition of different raw material dry gas entrainment dry gas lime sets be it is different,
The scheme of its processing of the dry gas lime set of difference composition should be different, and therefore, the present inventor abandons prior art in dry gas
Lime set processing when do not consider its composition processing scheme, using processing when first to different material dry gas lime set carry out group composition
Analysis, further according to analysis result, classification processing is carried out to raw material dry gas, its lime set also carries out the technical scheme of classification processing.Pass through
Technical solution of the present invention, can avoid quality influence and safety and environmental protection risk of the dry gas lime set on follow up device.
The technical scheme of dry gas processing method embodiment of the present invention is as follows：
1st, classification processing is carried out to all kinds of dry gas raw materials
In the prior art, all kinds of dry gas raw materials are to mix to be handled into Upgrade for Dry Gas Desulphurization Unit, and of the invention
All kinds of dry gas are divided into two groups of restructuring packet and light component group, two sets of Upgrade for Dry Gas Desulphurization Unit is respectively enterd and is handled, specific point
Group is as follows：Wax catalysis dry gas from wax catalysis device and the heavy-oil catalytic dry gas from Catalytic Unit are heavy constituent
Dry gas group is handled into the first Upgrade for Dry Gas Desulphurization Unit；It is that light component dry gas group is filled into the second dry gas desulfurization that torch, which reclaims gas,
Put and handled.
2nd, the dry gas lime set composition after packet is analyzed
To entering the first Upgrade for Dry Gas Desulphurization Unit, two groups of dry gas lime sets of the second Upgrade for Dry Gas Desulphurization Unit are constituted and density is divided
Analysis, analysis result see the table below 1 and table 2：
The dry gas lime set composition and density of the Upgrade for Dry Gas Desulphurization Unit of table 1 first
The Upgrade for Dry Gas Desulphurization Unit dry gas lime set of table 2 second is constituted and density
It can be drawn by table 1：Wax catalysis dry gas, heavy-oil catalytic dry gas and coking into the first Upgrade for Dry Gas Desulphurization Unit are done
The dry gas lime set composition of gas is heavier, is diesel component；Sometimes lime set is water component；
It can be drawn by table 2：Dry gas lime set composition into the torch recovery gas of the second Upgrade for Dry Gas Desulphurization Unit is lighter, is light
Naphtha component.
3rd, dry gas lime set processing scheme is formulated
1) the dry gas lime set processing of the first Upgrade for Dry Gas Desulphurization Unit
As shown in Fig. 2 dry gas point flow container 6 by pipeline g10 receive the heavy-oil catalytic dry gas from Catalytic Unit with
And the wax catalysis dry gas from wax catalysis device is received by pipeline g11, in the distillation of dry gas point flow container 6 and distilling apparatus
A pipeline g12 is connected between crude oil pump 7, heavy-oil catalytic dry gas and wax catalysis dry gas enter the dry gas of the first Upgrade for Dry Gas Desulphurization Unit
Divide and handled in flow container 6, obtained dry gas lime set sends into distilling apparatus from pipeline g12, remaining pipeline a, b, c are closed.
The concrete operations of dry gas lime set processing are as follows：
In dry gas lime set before processing, distilling apparatus operating personnel are first contacted, force feed dry gas lime set to crude oil is pumped into by notice
Mouthful, it is desirable to notice influence of the lime set to device operating parameter.
In processing, the force feed speed of dry gas lime set is controlled, is controlled in about 3~4 ton hours.Due to containing in lime set
Water, if force feed excessive velocities, can cause distilling apparatus electrical desalter circle position to rise, electric current increase.
In processing, dry gas point liquid level of tank should be controlled, specifically, and the liquid volume in dry gas point flow container accounts for dry gas
Divide the 10%~40% of the half volume of flow container one, both avoided frequent force feed dry gas lime set, also avoid liquid level is too low from causing gas blowby to steaming
Distillation unit.
, will if misoperation because dry gas lime set force feed to distilling apparatus is to take 0.7MPa dry gas from progress force feed is pressed
Dry gas point flow container pressure is empty, then can gas blowby to distilling apparatus crude oil pump, cause pump depletion, cause device to stop charging.So in lime set
During force feed, site operation personnel can not leave, and notice whether live dry gas point liquid level of tank shows unanimously with DCS, if going out
It is now abnormal to stop force feed in time.After dry gas point liquid level of tank failure has been handled, just allow to continue force feed.
The gas come out from dry gas point flow container 6 is still handled by the method for prior art, and here is omitted.
2) the dry gas lime set processing of the second Upgrade for Dry Gas Desulphurization Unit
The dry gas of second Upgrade for Dry Gas Desulphurization Unit point flow container 8 receives torch by pipeline g13 and reclaims gas, dry gas lime set component point
It is light naphthar to analyse result, and light naphthar will not be impacted to the absorbing-stabilizing system of wax catalysis device, thus, such as Fig. 3
It is shown, the dry gas lime set is subjected to freshening, remaining pipeline by the absorbing-stabilizing system of pipeline g14 force feeds to wax catalysis device
D, e are closed.
The gas come out from dry gas point flow container 8 is still handled by the method for prior art, and here is omitted.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of dry gas lime set processing method, it is characterised in that comprise the following steps：
1) the restructuring packet dry gas including wax catalysis dry gas and heavy-oil catalytic dry gas is sent into the first Upgrade for Dry Gas Desulphurization Unit to carry out
Processing, sends the light component group dry gas that gas is reclaimed including torch into the second Upgrade for Dry Gas Desulphurization Unit and is handled；
2) after the dry gas point flow container of restructuring packet dry gas into the first Upgrade for Dry Gas Desulphurization Unit is handled, the lime set force feed of generation enters
Distilling apparatus；
3) after the dry gas point flow container of light component group dry gas into the second Upgrade for Dry Gas Desulphurization Unit is handled, the dry gas lime set pressure of generation
Deliver to wax catalysis device absorption stabilizing system；
Step 2), step 3) without sequencing；
Step 2) in, dry gas lime set force feed speed is 3~4 ton hours；
Step 2) in, the liquid volume in dry gas point flow container accounts for the 10%~40% of the dry gas point half volume of flow container one.
2. dry gas lime set processing method as claimed in claim 1, it is characterised in that step 2) in, the liquid in dry gas point flow container
Body volume accounts for the 15%~35% of the dry gas point half volume of flow container one.
3. dry gas lime set processing method as claimed in claim 1, it is characterised in that step 2) in, the liquid in dry gas point flow container
Body volume accounts for the 20%~30% of the dry gas point half volume of flow container one.
4. dry gas lime set processing method as claimed in claim 1, it is characterised in that step 2) in, the first Upgrade for Dry Gas Desulphurization Unit
Dry gas point flow container be connected by a pipeline with the pump that distills the crude oil of the distilling apparatus, first Upgrade for Dry Gas Desulphurization Unit is done
The dry gas lime set that qi leel flow container is produced sends into the distilling apparatus from the pipeline.
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| CN201410573709.0A CN105586088B (en) | 2014-10-23 | 2014-10-23 | A kind of dry gas lime set processing method |
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|---|---|---|---|
| CN201410573709.0A CN105586088B (en) | 2014-10-23 | 2014-10-23 | A kind of dry gas lime set processing method |
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| CN105586088A CN105586088A (en) | 2016-05-18 |
| CN105586088B true CN105586088B (en) | 2017-10-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180657A (en) * | 1996-10-21 | 1998-05-06 | 中国石化茂名石油化工公司 | Technology for preparing hydrogen by mixing dry gas and light oil of refinery |
| CN1763156A (en) * | 2004-10-22 | 2006-04-26 | 中国石油化工股份有限公司 | Process for reducing contents of components above C3 in dry gas |
| JP2006241317A (en) * | 2005-03-03 | 2006-09-14 | Kobe Steel Ltd | Method of hydrocracking petroleum heavy oil |
| CN1923973A (en) * | 2006-05-31 | 2007-03-07 | 中国石油集团工程设计有限责任公司抚顺分公司 | Process flow for raw material pretreatment portion of catalytic dry gas produced phenylethane |
-
2014
- 2014-10-23 CN CN201410573709.0A patent/CN105586088B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180657A (en) * | 1996-10-21 | 1998-05-06 | 中国石化茂名石油化工公司 | Technology for preparing hydrogen by mixing dry gas and light oil of refinery |
| CN1763156A (en) * | 2004-10-22 | 2006-04-26 | 中国石油化工股份有限公司 | Process for reducing contents of components above C3 in dry gas |
| JP2006241317A (en) * | 2005-03-03 | 2006-09-14 | Kobe Steel Ltd | Method of hydrocracking petroleum heavy oil |
| CN1923973A (en) * | 2006-05-31 | 2007-03-07 | 中国石油集团工程设计有限责任公司抚顺分公司 | Process flow for raw material pretreatment portion of catalytic dry gas produced phenylethane |
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| CN105586088A (en) | 2016-05-18 |
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