CN108441252A - Cryogenic distillation apparatus - Google Patents
Cryogenic distillation apparatus Download PDFInfo
- Publication number
- CN108441252A CN108441252A CN201810262250.0A CN201810262250A CN108441252A CN 108441252 A CN108441252 A CN 108441252A CN 201810262250 A CN201810262250 A CN 201810262250A CN 108441252 A CN108441252 A CN 108441252A
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- CN
- China
- Prior art keywords
- distillation
- fractionating
- pipeline
- distillation still
- oil
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/12—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of cryogenic distillation apparatus, it includes the first distillation component, after-fractionating component and third distillation component, it is respectively equipped with distillation still, destilling tower and condenser and oil product storage tank in each distillation component, temperature by controlling distillation still in each distillation component isolates the oil products such as gasoline, light diesel fuel, heavy oil successively, the equipment overall structure is simple, easy for operation, and energy consumption is very low in the course of work, long-time continuous production can be carried out, has the characteristics that energy conservation and environmental protection, decomposition efficiency are high.
Description
Technical field
The invention belongs to refining equipment technical fields, are specifically to be related to a kind of cryogenic distillation apparatus.
Background technology
For the oil composition in China compared with external oil composition, decompression residuum content is higher, in the crude oil in most oil fields
The quality of decompression residuum is up to 40% -50%.Especially old filed, not only yield is being successively decreased, but also the heaviness of crude oil is inclined
To aggravation.In addition to this, crude oil in China dependence on external supply degree is higher, and up to 75%, and heaviness ratio also increasingly plus swashs.
Therefore, the deep processing of the intensifying distillation technological improvement heavy oil or heavy crude of research and development crude oil, especially heavy crude, fully profit
With limited petroleum resources, increase the yield of light oil, increase economic efficiency, it has also become the industry of China's oil refinery there is an urgent need to
It solves the problems, such as, and modern crude oil or the important directions of the progress of heavy crude distillation technique and development.
Invention content
The purpose of the present invention is：A kind of low temperature that can be effectively improved lightweight oil yield, increase Business Economic Benefit is provided
Distillation equipment.
The technical scheme is that：A kind of cryogenic distillation apparatus, including the first distillation component, after-fractionating component and the
Three distillation components, the first distillation component include the first distillation still, the first destilling tower and the first condenser, first distillation
The entrance of kettle is connected with inflow pipeline, and the oil gas vent of first distillation still connects the first destilling tower, the first distillation by pipeline
The oil gas vent on tower top connects the first condenser by pipeline, and the outlet of the first condenser is connected with the first storage tank；Described
Two distillation components include after-fractionating kettle, after-fractionating tower and the second cooler, and the entrance of after-fractionating kettle passes through the first oil pump
The base oil outlet of pipeline and the first distillation tower bottom connects, and the outlet of after-fractionating kettle is connect by pipeline with after-fractionating tower,
The oil gas vent on the after-fractionating tower top connects the second cooler by pipeline, and second is connected in the outlet of the second cooler
Storage tank；The third distillation component includes third distillation still, third destilling tower and third cooler, and the entrance of third distillation still is logical
The base oil outlet for crossing the second oil pump pipeline and after-fractionating tower bottom connects, and the outlet of third distillation still connects third destilling tower,
The oil gas vent on third destilling tower top is connect by pipeline with third cooler, and third is connected in the outlet of third cooler
Storage tank.
First distillation still be equipped with main heating device, after-fractionating kettle and third distillation still by hot air duct and this
One distillation still connects.
Exhaust gas cleaner is also connected with by exhaust pipe at the top of first distillation still.
The after-fractionating kettle also connects the combustion furnace of the first distillation still with third distillation still by non-condensable gas pipeline respectively.
It is respectively equipped with residual oil outlet in the bottom of first, second and third distillation still, each residual oil outlet passes through respectively
Pumping line connects residual oil processing unit.
The cryogenic distillation apparatus of the present invention is distilled using third, can be controlled according to different temperatures and effectively be decomposed crude oil
For petroleum benzin, light diesel and heavy oil product, the equipment overall structure is simple, easy for operation, and in the course of work
Energy consumption is very low, can carry out long-time continuous production, has the characteristics that energy conservation and environmental protection, decomposition efficiency are high.
Description of the drawings
Fig. 1 is the structural schematic diagram of cryogenic distillation apparatus of the present invention.
Specific implementation mode
The cryogenic distillation apparatus of the present invention is operated using three-stage distillation, and concrete structure is as shown in Figure 1, it includes mainly first
It distills component, after-fractionating component and third and distills component, wherein the first distillation component is distilled including the first distillation still 1, first
The entrance of tower 2 and the first condenser 3, the first distillation still 1 is connected with inflow pipeline 5, and the oil gas vent of the first distillation still 1 passes through pipe
Road connects the first destilling tower 2, and the oil gas vent on 2 top of the first destilling tower connects the first condenser 3, the first condenser by pipeline
3 outlet is connected with the first storage tank 4；After-fractionating component includes after-fractionating kettle 7, after-fractionating tower 8 and the second cooler 9,
The entrance of after-fractionating kettle 7 exports connection, after-fractionating kettle 7 by the base oil of 2 bottom of the first oil pump pipeline 6 and the first destilling tower
Outlet connect with after-fractionating tower 8 by pipeline, the oil gas vent on 8 top of after-fractionating tower is cold by pipeline connection second
But device 9 are connected with the second storage tank 10 in the outlet of the second cooler 9；Third distillation component includes third distillation still 12, third steaming
Tower 13 and third cooler 15 are evaporated, the entrance of third distillation still 12 passes through the second oil pump pipeline 11 and 8 bottom of after-fractionating tower
Base oil outlet connection, the outlet connection third destilling tower 13 of third distillation still 12, the oil gas vent on 13 top of third destilling tower is logical
Piping is connect with third cooler 15, is connected with third storage tank 16 in the outlet of third cooler 15, in the present embodiment, this
Three destilling towers 13 are concatenated by primary distillation tower and secondary destilling tower, and primary distillation tower is pushed up mounted on third distillation still 12
Portion.
In the cryogenic distillation apparatus of the present invention, the first distillation still 1 is main heating furnace, and combustion is equipped in the first distillation still 1
Furnace apparatus is burnt, after-fractionating kettle 7 and third distillation still 12 are filled by hot air duct 20 and the combustion furnace of first distillation still 1 respectively
Connection is set, to realize that the heating to oil product is distilled.
Further, exhaust gas cleaner 18 is connected with by exhaust pipe 17 at the top of the first distillation still 1.First steams
It evaporates the tail gas that the main heating device burning in kettle 1 generates to be sent into exhaust gas cleaner 18 by exhaust pipe 17, through spray column
Qualified discharge is completed after impurity in removal tail gas.
Further, after-fractionating kettle 7 also connects the first distillation still 1 by non-condensable gas pipeline respectively with third distillation still 12
On burner apparatus.
In the cryogenic distillation apparatus of the present invention, at the first distillation still 1, the bottom of after-fractionating kettle 7 and third distillation still 12
Portion is respectively equipped with residual oil outlet, and each residual oil outlet connects residual oil processing unit 19 by pumping line 14 respectively.
The cryogenic distillation apparatus of the present invention is existed in specific production by the burner apparatus installed in the first distillation still 1
While heating the first distillation still 1, after-fractionating kettle 7 and third distillation still 12 are heated by hot air duct 20 respectively, first steams
The temperature control of kettle 1 is evaporated at 110-130 DEG C, and oil product is flowed into from inflow pipeline 5 in the first distillation still 1, in 110-130 DEG C of temperature
Lower oil evaporation enters in the first destilling tower 2, and moisture and gasoline in oil gas are separated in gaseous form into the first condensation
Device 3, forms water and gasoline, water and gasoline because the different natural layerings of density detach after condensation, and the gasoline isolated flows into the
In one storage tank 4；And the oil product for failing to condense at this temperature falls into 2 bottom of the first destilling tower, is pumped by the first oil pump pipeline
In after-fractionating kettle 7, the temperature of after-fractionating kettle 7 is controlled at 250-260 DEG C, at this temperature, the light diesel fuel contained in oil product
Enter the second condenser 9 after being separated in after-fractionating tower 8, is flowed into after condensation in the second storage tank 10, and remaining oil product
It falls into 8 bottom of after-fractionating tower and is pumped into last third distillation still 12 by the second oil pump pipeline, third distillation
The temperature of kettle 12 is controlled at 370-390 DEG C, at this temperature divides heavy diesel through third distillation still 12 and third destilling tower 13
It separates out to be sent into third storage tank 15, fails to distill in the first distillation still 1, after-fractionating kettle 7 and third distillation still 12
Residual oil then stay in furnace bottom, residual oil is sent by pumping line 14 in residual oil processing unit 19 by continuous production for a period of time, into
One step isolates pitch and other heavy oil.
Claims (5)
1. a kind of cryogenic distillation apparatus, which is characterized in that including the first distillation component, after-fractionating component and third distillation group
Part, the first distillation component includes the first distillation still, the first destilling tower and the first condenser, the entrance of first distillation still
It is connected with inflow pipeline, the oil gas vent of first distillation still connects the first destilling tower by pipeline, the first destilling tower top
Oil gas vent connects the first condenser by pipeline, and the outlet of the first condenser is connected with the first storage tank；The after-fractionating group
Part includes after-fractionating kettle, after-fractionating tower and the second cooler, and the entrance of after-fractionating kettle passes through the first oil pump pipeline and
The base oil outlet connection of one distillation tower bottom, the outlet of after-fractionating kettle are connect by pipeline with after-fractionating tower, second steaming
The oil gas vent for evaporating tower top connects the second cooler by pipeline, and the second storage tank is connected in the outlet of the second cooler；Institute
It includes third distillation still, third destilling tower and third cooler to state third distillation component, and the entrance of third distillation still passes through second
Oil pump pipeline and the base oil outlet of after-fractionating tower bottom connect, and the outlet of third distillation still connects third destilling tower, and third is steamed
The oil gas vent for evaporating tower top is connect by pipeline with third cooler, and third storage tank is connected in the outlet of third cooler.
2. cryogenic distillation apparatus according to claim 1, which is characterized in that first distillation still is externally provided with combustion furnace,
After-fractionating kettle and third distillation still are connect by hot air duct with the combustion furnace of first distillation still respectively.
3. cryogenic distillation apparatus according to claim 2, which is characterized in that also pass through tail gas at the top of first distillation still
Pipeline is connected with exhaust gas cleaner.
4. cryogenic distillation apparatus according to claim 2, which is characterized in that the after-fractionating kettle and third distillation still are also
The combustion furnace of the first distillation still is connected by non-condensable gas pipeline respectively.
5. cryogenic distillation apparatus according to claim 1, which is characterized in that in first, second and third distillation still
Bottom be respectively equipped with residual oil outlet, the outlet of each residual oil passes through pumping line and connects residual oil processing unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262250.0A CN108441252B (en) | 2018-03-28 | 2018-03-28 | Cryogenic distillation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262250.0A CN108441252B (en) | 2018-03-28 | 2018-03-28 | Cryogenic distillation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108441252A true CN108441252A (en) | 2018-08-24 |
| CN108441252B CN108441252B (en) | 2021-01-05 |
Family
ID=63197459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810262250.0A Active CN108441252B (en) | 2018-03-28 | 2018-03-28 | Cryogenic distillation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108441252B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920843A (en) * | 2021-01-29 | 2021-06-08 | 淮安星宇再生资源有限公司 | Waste mineral oil recovery and separation device and separation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202849341U (en) * | 2012-10-17 | 2013-04-03 | 商丘亿龙机械设备有限公司 | Waste oil, tyre oil and plastic oil distilling device |
| CN204543615U (en) * | 2015-04-20 | 2015-08-12 | 商丘金蓬实业股份有限公司 | A kind of industrial continuous used oil process distillation equipment |
| CN206334375U (en) * | 2016-12-16 | 2017-07-18 | 树业环保科技股份有限公司 | A kind of polyalcohol recovery system |
| CN206705998U (en) * | 2017-05-03 | 2017-12-05 | 安徽泰达新材料股份有限公司 | A kind of trimellitic anhydride rectifier unit |
| CN208087551U (en) * | 2018-03-29 | 2018-11-13 | 商丘中清环保科技有限公司 | Cryogenic distillation apparatus |
-
2018
- 2018-03-28 CN CN201810262250.0A patent/CN108441252B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202849341U (en) * | 2012-10-17 | 2013-04-03 | 商丘亿龙机械设备有限公司 | Waste oil, tyre oil and plastic oil distilling device |
| CN204543615U (en) * | 2015-04-20 | 2015-08-12 | 商丘金蓬实业股份有限公司 | A kind of industrial continuous used oil process distillation equipment |
| CN206334375U (en) * | 2016-12-16 | 2017-07-18 | 树业环保科技股份有限公司 | A kind of polyalcohol recovery system |
| CN206705998U (en) * | 2017-05-03 | 2017-12-05 | 安徽泰达新材料股份有限公司 | A kind of trimellitic anhydride rectifier unit |
| CN208087551U (en) * | 2018-03-29 | 2018-11-13 | 商丘中清环保科技有限公司 | Cryogenic distillation apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920843A (en) * | 2021-01-29 | 2021-06-08 | 淮安星宇再生资源有限公司 | Waste mineral oil recovery and separation device and separation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108441252B (en) | 2021-01-05 |
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