CN107760351A - A kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system - Google Patents
A kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system Download PDFInfo
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- CN107760351A CN107760351A CN201711270373.0A CN201711270373A CN107760351A CN 107760351 A CN107760351 A CN 107760351A CN 201711270373 A CN201711270373 A CN 201711270373A CN 107760351 A CN107760351 A CN 107760351A
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- diesel fuel
- oil
- tower top
- fractionating column
- oil gas
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Classifications
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- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
Abstract
A kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system, during production, tower top evacuation evacuates, meanwhile, nitrogen is implanted into fractionating column；When nitrogen is full of in fractionating column, the 450 DEG C of high-temperature oil gas produced by destructive distillation enter fractionating column bottom by high-temperature oil gas entrance；High-temperature oil gas is delivered to heavy diesel fuel air cooler by heavy diesel fuel pumped, and when heavy diesel fuel air cooler be cooled to 50 DEG C to high-temperature oil gas, light diesel fuel enters light diesel fuel tank when being cooled to 50 DEG C and enters storage；High-temperature oil gas, which is cooled to the gas after 50 DEG C and is discharged into dry gas cabinet by entering tower top evacuation, to be stored；After high-temperature oil gas enters the liquid in oil water separator by water-oil separating, light oil is delivered in tower top light oil tank and stored；Sour water conveyance conduit enters sewage treatment plant；The present invention separates the high-temperature oil gas from destructive distillation outlet of still cannot not produce solidifyingly dry gas, tower top light oil, light diesel fuel and heavy diesel fuel, energy-conserving and environment-protective by fractionating column sub-sectional cooling, improves the quality and economic benefit of product.
Description
Technical field
The present invention relates to the separation of the high-temperature oil gas of oil shale retorting, especially a kind of oil shale retorting high-temperature oil gas segregative line
The separating technology of system.
Background technology
Oil shale is also known as oil shale, is a kind of solid combustible organic sedimentary rock of high mineral content.Oil shale is through warm
Solution (low temperature distillation) can obtain the shale oil of similar crude oil and the coal gas of similar natural gas.China's energy resource structure be rich coal, it is oil-poor,
Few gas.Shale oil and can coal gas, as the supplement of conventional energy resource, to changing China's energy resource structure and energy security, have non-
Often important strategic importance.
Oil shale obtains 450 DEG C of high-temperature oil gas through low temperature distillation, oil, gas and water, micronic dust separation and recovery in high-temperature oil gas
It is a key issue in oil shale industry production, solves the bad increase that can cause production cost, environmental protection facility investment
Excessive, product price can not reach best income.
At present, the separating technology of high-temperature oil gas use is in domestic oil shale industry：Concetrated pipe washing, cooling, washing are full
Oily, multiple oil-water separation systems are received with tower washing, indirect cool tower cooling.The technique is disadvantageous in that：System water amount is led greatly
Cause sewage load big；Containing facilities such as multiple high-low-position kitchen sinks, collection mud tank, oil-water separation tank, transfer cesspools in system, it is
The complicated investment of system is big；Shale oil after collection is with regard to a kind, it is impossible to which the characteristic according to oil is divided into light oil, light diesel fuel, weight bavin
Oil, composite price is relatively low, so as to realize due economic benefit, in view of the foregoing, it is proposed that a kind of oil shale retorting
The separating technology of high-temperature oil gas piece-rate system.
The content of the invention
The invention aims to solve the separating technology that high-temperature oil gas uses in domestic oil shale industry：Pass through set
Oily, multiple oil-water separation systems are received in pipe washing, cooling, washing saturator washing, indirect cool tower cooling.Because system water amount is led greatly
Cause sewage load big；Containing facilities such as multiple high-low-position kitchen sinks, collection mud tank, oil-water separation tank, transfer cesspools in system, it is
The complicated investment of system is big；Shale oil after collection is with regard to a kind, it is impossible to which the characteristic according to oil is divided into light oil, light diesel fuel, weight bavin
Oil, composite price is relatively low, so as to realize due economic benefit.By reasonably designing, there is provided a kind of oil shale retorting
The separating technology of high-temperature oil gas piece-rate system, the present invention separate the high temperature oil from destructive distillation outlet of still by fractionating column sub-sectional cooling
Gas cannot not produce solidifyingly dry gas, tower top light oil, light diesel fuel and heavy diesel fuel, and high-temperature oil gas separating technology is brand-new in oil shale industry
Advanced technology, the existing deficiency using separating technology is compensate for, makes full use of various oil molecules of different sizes, the different original of boiling point
Reason, oil into light oil, light diesel fuel, heavy diesel fuel, comprehensive price is higher, while greatly reduces water consumption, reduces at sewage
Reason amount and production cost, energy-conserving and environment-protective, improve the quality and economic benefit of product.
The present invention to achieve these goals, adopts the following technical scheme that：A kind of oil shale retorting high-temperature oil gas segregative line
The separating technology of system, described oil shale retorting high-temperature oil gas piece-rate system, be by high-temperature oil gas entrance, fractionating column, top follow pump,
Push up circulating air cooling device, tower top air cooler, tower top evacuation, dry gas cabinet, oil water separator, tower top oil pump, tower top light oil tank, tower top
Draining pump, sour water conveyance conduit, light diesel fuel pump, light diesel fuel air cooler, light diesel fuel tank, heavy diesel fuel pump, heavy diesel fuel air cooler,
Heavy diesel fuel tank, sour water tank, herringbone baffle plate are formed；The fractionating column of high-temperature oil gas is arranged to three sections, and three sections are under
And upper is respectively heavy diesel fuel section, light diesel fuel separation section, light oil and fixed gas separation section；In the heavy diesel fuel section of fractionating column
Portion sets fractionation disk, and herringbone baffle plate is uniformly arranged above fractionation disk；The heavy diesel fuel section bottom side of fractionating column sets high temperature oil
Gas entrance, fractionation column base opposite side set heavy diesel fuel pump, heavy diesel fuel air cooler, heavy diesel fuel tank respectively, and fractionation column base is successively
Heavy diesel fuel conveyance conduit is set between heavy diesel fuel pump, heavy diesel fuel air cooler, heavy diesel fuel tank, diesel oil air cooler and heavy diesel fuel tank it
Between heavy diesel fuel conveyance conduit between reserve cooling return duct road junction, the people in the heavy diesel fuel section of return duct road junction and fractionating column
Reflux line is set between above word baffle plate；
Fractionation disk, the bottom one of the light diesel fuel separation section of fractionating column are uniformly arranged in the light diesel fuel separation section of fractionating column
Side is respectively arranged with light diesel fuel pump, and light diesel fuel air cooler, light diesel fuel outlet, fractionating column light diesel fuel separation section is successively with there is light bavin
Oil pump, light diesel fuel air cooler, light diesel fuel set light diesel fuel conveyance conduit between outlet；
Fractionation disk, the air cooling separation section bottom side of fractionating column are uniformly arranged in air cooling separation section at the top of fractionating column
Top is set to follow pump, top circulating air cooling device respectively, pump, top circulating air cooling are followed in fractionating column air cooling separation section bottom side with top successively
Set circulating air cooling pipeline, top circulating air cooling device that circulating air cooling is set between separating section top with the air cooling of fractionating column between device
Pipeline；The air cooling separation section top side of fractionating column sets tower top air cooler, is set at the top of fractionating column between tower top air cooler
Put oil-gas pipeline；Tower top air cooler side sets tower top evacuation, dry gas cabinet respectively, and tower top air cooler side is taken out with tower top successively
Pocket, dry gas pipeline is set between dry gas cabinet；
Oil water separator is set below tower top air cooler, sets profit empty between oil water separator below tower top air cooler
Cold pipeline；
Oil water separator side sets tower top oil pump respectively, tower top light oil tank, oil water separator side successively with overhead oil
Pump, light oil pipeline is set between tower top light oil tank；
Oil water separator is respectively arranged below sour water tank, tower top draining pump, sour water and exported, under oil water separator
Sour water pipeline is set between Fang Yici and sour water tank, tower top draining pump, sour water conveyance conduit；
During production, start tower top evacuation and fractionating column is evacuated, meanwhile, nitrogen, evacuation are accessed in high-temperature oil gas entrance
While evacuation to the air in fractionating column, nitrogen is implanted into fractionating column.
When nitrogen is full of in fractionating column, displacement access high-temperature oil gas, the 450 DEG C of height produced by destructive distillation in high-temperature oil gas entrance
Warm oil gas enters fractionating column bottom by high-temperature oil gas entrance；High-temperature oil gas is delivered to heavy diesel fuel air cooling by heavy diesel fuel pumped
Device, when heavy diesel fuel air cooler be cooled to 50 DEG C to high-temperature oil gas, the heavy diesel fuel isolated in oil gas is conveyed by heavy diesel fuel
Pipeline stores into heavy diesel fuel tank；Not having separation in oil gas, thoroughly heavy diesel fuel passes through the people in return duct road junction return fractionating column
Washing oil above word baffle plate as oil gas.
Continuously evacuated by evacuation, when high-temperature oil gas rises to the light diesel fuel separation section of fractionating column, high-temperature oil gas is led to
Light diesel fuel is isolated in the washing for crossing washing oil；Light diesel fuel pump is delivered to light diesel fuel after extracting light diesel fuel out by light diesel fuel conveyance conduit
Light diesel fuel tank is entered by conveyance conduit in air cooler, when light diesel fuel is cooled to 50 DEG C by light diesel fuel air cooler and enters storage.
Continuously evacuated by evacuation, when high-temperature oil gas rises to the air cooling separation section of fractionating column, pump is followed under in top
The fractionation disk lower end of side extracts high-temperature oil gas out by circulating air cooling pipeline to pushing up in circulating air cooling device, and high-temperature oil gas passes through top
After circulating air cooling device is cooled to 60 DEG C；60 DEG C of oil gas are cooled to by washing oil wash impurity and reducing oil gas temperature, after washing
Oil gas pass through circulating air cooling pipeline return fractionating column in fractionation disk above.
110 DEG C of high-temperature oil gas at the top of fractionating column is entered in tower top air cooler by tower top evacuation, and high-temperature oil gas is led to
Cross gas that tower top air cooler is cooled to after 50 DEG C and be discharged into dry gas cabinet by entering tower top evacuation and stored.
The liquid that high-temperature oil gas is cooled to after 50 DEG C by tower top air cooler enters in oil water separator, into profit
After liquid in separator is by water-oil separating, the light oil of water-oil separating is by being delivered to tower top light oil tank after overhead oil pumped
Middle storage；The sour water of water-oil separating enters in sour water tank, and sour water is arranged by the tower top below sour water tank
Water pump is discharged, and enters sewage treatment plant by sour water conveyance conduit.
Beneficial effect：The present invention separates the high-temperature oil gas from destructive distillation outlet of still to produce not by fractionating column sub-sectional cooling
Solidifying dry gas, tower top light oil, light diesel fuel and heavy diesel fuel, high-temperature oil gas separating technology is the brand-new advanced technology in oil shale industry,
Compensate for the existing deficiency using separating technology, make full use of various oil molecules of different sizes, the different principle of boiling point, oil into
Light oil, light diesel fuel, heavy diesel fuel, comprehensive price is higher, while greatly reduces water consumption, reduces sewage disposal and is produced into
Originally, energy-conserving and environment-protective, the quality and economic benefit of product are improved.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is general assembly structural representation；
In Fig. 1：High-temperature oil gas entrance 1, fractionating column 2, top are followed pump 3, top circulating air cooling device 4, tower top air cooler 5, tower top and taken out
Pocket 6, dry gas cabinet 7, oil water separator 8, tower top oil pump 9, tower top light oil tank 10, tower top draining pump 11, sour water delivery pipe
Road 12, light diesel fuel pump 13, light diesel fuel air cooler 14, light diesel fuel tank 15, heavy diesel fuel pump 16, heavy diesel fuel air cooler 17, heavy diesel fuel tank
18th, sour water tank 19, herringbone baffle plate 20.
Embodiment
The present invention is described in further detail with embodiment with reference to embodiment：
Embodiment 1
The fractionating column 2 of high-temperature oil gas is arranged to three sections, and three sections are respectively heavy diesel fuel section, light bavin from bottom to top
Oil separation section, light oil and fixed gas separation section；Fractionation disk, fractionation disk top are set in the middle part of the heavy diesel fuel section of fractionating column 2
It is uniformly arranged herringbone baffle plate 20；The heavy diesel fuel section bottom side of fractionating column 2 sets high-temperature oil gas entrance 1, and the bottom of fractionating column 2 is another
Side sets heavy diesel fuel pump 16, heavy diesel fuel air cooler 17, heavy diesel fuel tank 18 respectively, the bottom of fractionating column 2 successively with heavy diesel fuel pump 16,
Heavy diesel fuel conveyance conduit is set between heavy diesel fuel air cooler 17, heavy diesel fuel tank 18, between diesel oil air cooler 17 and heavy diesel fuel tank 18
Heavy diesel fuel conveyance conduit between reserve cooling return duct road junction, return duct road junction and the people in the heavy diesel fuel section of fractionating column 2
Word baffle plate 20 sets reflux line between top；
Fractionation disk, the bottom of the light diesel fuel separation section of fractionating column 2 are uniformly arranged in the light diesel fuel separation section of fractionating column 2
Side is respectively arranged with light diesel fuel pump 13, light diesel fuel air cooler 14, light diesel fuel outlet 15, the light diesel fuel of fractionating column 2 separate section according to
It is secondary that light diesel fuel conveyance conduit is set between light diesel fuel pump 13, light diesel fuel air cooler 14, light diesel fuel outlet 15 with having；
Fractionation disk, the air cooling separation section bottom one of fractionating column 2 are uniformly arranged in the air cooling separation section at the top of fractionating column 2
Side sets top to follow pump 3, top circulating air cooling device 4 respectively, and pump 3 is followed in the air cooling of fractionating column 2 separation section bottom side with top successively, top is followed
Circulating air cooling pipeline, top circulating air cooling device 4 is set to be set between separating section top with the air cooling of fractionating column 2 between annular space cooler 4
Put circulating air cooling pipeline；The air cooling separation section top side of fractionating column 2 sets tower top air cooler 5, the top of fractionating column 2 and tower top
Oil-gas pipeline is set between air cooler 5；The side of tower top air cooler 5 sets tower top evacuation 6, dry gas cabinet 7, tower top air cooler respectively
With tower top evacuation 6, dry gas pipeline is set between dry gas cabinet 7 successively for 5 sides；
The lower section of tower top air cooler 5 sets oil water separator 8, and oil is set between the lower section of tower top air cooler 5 and oil water separator 8
Water-air cooling pipeline；
The side of oil water separator 8 sets tower top oil pump 9 respectively, tower top light oil tank 10, the side of oil water separator 8 successively with tower
Oil pump 9 is pushed up, light oil pipeline is set between tower top light oil tank 10；
Oil water separator 8 is respectively arranged below sour water tank 19, tower top draining pump 11, sour water outlet 12, profit
The lower section of separator 8 sets sour water between sour water tank 19, tower top draining pump 11, sour water conveyance conduit 12 successively
Pipeline；
During production, start tower top evacuation 6 and fractionating column 2 is evacuated, meanwhile, nitrogen is accessed in high-temperature oil gas entrance 1, is evacuated
While device 6 evacuates to the air in fractionating column 2, nitrogen is implanted into fractionating column 2.
Embodiment 2
When nitrogen is full of in fractionating column 2, displacement access high-temperature oil gas in high-temperature oil gas entrance 1, by 450 DEG C of destructive distillation production
High-temperature oil gas enters the bottom of fractionating column 2 by high-temperature oil gas entrance 1；High-temperature oil gas is extracted out by heavy diesel fuel pump 16 is delivered to weight bavin
Oily air cooler 17, when heavy diesel fuel air cooler 17 be cooled to 50 DEG C to high-temperature oil gas, the heavy diesel fuel isolated in oil gas passes through
Heavy diesel fuel conveyance conduit stores into heavy diesel fuel tank 18；Without separation, thoroughly heavy diesel fuel is returned by return duct road junction in oil gas
Washing oil of the top of herringbone baffle plate 20 as oil gas in fractionating column 2.
Embodiment 3
Continuously evacuated by evacuation 6, when high-temperature oil gas rises to the light diesel fuel separation section of fractionating column 2, high-temperature oil gas
Light diesel fuel is isolated by the washing for washing oil；Light diesel fuel pump 13 is delivered to gently after extracting light diesel fuel out by light diesel fuel conveyance conduit
In diesel oil air cooler 14, light diesel fuel tank 15 is entered by conveyance conduit when light diesel fuel is cooled to 50 DEG C by light diesel fuel air cooler 14
Into storage.
Embodiment 4
Continuously evacuated by evacuation 6, when high-temperature oil gas rises to the air cooling separation section of fractionating column 2, top is followed pump 3 and passed through
The fractionation disk lower end of lower section extracts high-temperature oil gas out by circulating air cooling pipeline to pushing up in circulating air cooling device 4, and high-temperature oil gas is led to
Cross after top circulating air cooling device 4 is cooled to 60 DEG C；60 DEG C of oil gas are cooled to by washing oil wash impurity and reducing oil gas temperature, are washed
Oil gas after washing is returned by circulating air cooling pipeline above the fractionation disk in fractionating column 2.
Embodiment 5
110 DEG C of the high-temperature oil gas at the top of fractionating column 2 is entered in tower top air cooler 5 by tower top evacuation 6, high-temperature oil gas
It is discharged into dry gas cabinet 7 by entering tower top evacuation 6 and is stored by the gas that tower top air cooler 5 is cooled to after 50 DEG C.
Embodiment 6
The liquid that high-temperature oil gas is cooled to after 50 DEG C by tower top air cooler 5 enters in oil water separator 8, into oil
After liquid in separator 8 is by water-oil separating, it is light that the light oil of water-oil separating is delivered to tower top after being extracted out by tower top oil pump 9
Stored in oil tank 10；The sour water of water-oil separating enters in sour water tank 19, and sour water passes through under sour water tank 19
The tower top draining pump 11 of side is discharged, and enters sewage treatment plant by sour water conveyance conduit 12.
Claims (6)
1. a kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system, described oil shale retorting high-temperature oil gas segregative line
System, it is that pump (3), top circulating air cooling device (4), tower top air cooler (5), tower top are followed by high-temperature oil gas entrance (1), fractionating column (2), top
Evacuation (6), dry gas cabinet (7), oil water separator (8), tower top oil pump (9), tower top light oil tank (10), tower top draining pump (11),
Sour water conveyance conduit (12), light diesel fuel pump (13), light diesel fuel air cooler (14), light diesel fuel tank (15), heavy diesel fuel pump (16),
Heavy diesel fuel air cooler (17), heavy diesel fuel tank (18), sour water tank (19), herringbone baffle plate (20) are formed；It is characterized in that：High temperature
The fractionating column (2) of oil gas is arranged to three sections, and three sections are respectively heavy diesel fuel section, light diesel fuel segregation section from bottom to top
Position, light oil and fixed gas separation section；Fractionation disk is set in the middle part of the heavy diesel fuel section of fractionating column (2), laid above fractionation disk
Put herringbone baffle plate (20)；The heavy diesel fuel section bottom side of fractionating column (2) sets high-temperature oil gas entrance (1), fractionating column (2) bottom
Opposite side sets heavy diesel fuel pump (16), heavy diesel fuel air cooler (17), heavy diesel fuel tank (18) respectively, fractionating column (2) bottom successively with
Heavy diesel fuel conveyance conduit, diesel oil air cooler are set between heavy diesel fuel pump (16), heavy diesel fuel air cooler (17), heavy diesel fuel tank (18)
(17) cooling return duct road junction, return duct road junction and fractionation are reserved between the heavy diesel fuel conveyance conduit between heavy diesel fuel tank (18)
Reflux line is set between above herringbone baffle plate (20) in the heavy diesel fuel section of tower (2)；
Fractionation disk, the bottom of the light diesel fuel separation section of fractionating column (2) are uniformly arranged in the light diesel fuel separation section of fractionating column (2)
Side is respectively arranged with light diesel fuel pump (13), light diesel fuel air cooler (14), light diesel fuel outlet (15), fractionating column (2) light diesel fuel point
Light diesel fuel is set to convey between light diesel fuel pump (13), light diesel fuel air cooler (14), light diesel fuel outlet (15) with having successively from section
Pipeline；
Fractionation disk, the air cooling separation section bottom one of fractionating column (2) are uniformly arranged in air cooling separation section at the top of fractionating column (2)
Side sets top to follow pump (3), top circulating air cooling device (4) respectively, and pump is followed in fractionating column (2) air cooling separation section bottom side with top successively
(3), circulating air cooling pipeline is set between top circulating air cooling device (4), top circulating air cooling device (4) separates with the air cooling of fractionating column (2)
Circulating air cooling pipeline is set between section top；The air cooling separation section top side of fractionating column (2) sets tower top air cooler
(5) oil-gas pipeline, is set between tower top air cooler (5) at the top of fractionating column (2)；Tower top air cooler (5) side sets tower respectively
Evacuation (6) is pushed up, dry gas cabinet (7), tower top air cooler (5) side is set with tower top evacuation (6), dry gas cabinet between (7) successively
Dry gas pipeline；
Oil water separator (8) is set below tower top air cooler (5), set below tower top air cooler (5) between oil water separator (8)
Put profit air cooling pipeline；
Oil water separator (8) side sets tower top oil pump (9) respectively, and tower top light oil tank (10), oil water separator (8) side is successively
With tower top oil pump (9), light oil pipeline is set between tower top light oil tank (10)；
Oil water separator (8) is respectively arranged below sour water tank (19), tower top draining pump (11), sour water outlet (12),
Below oil water separator (8) successively between sour water tank (19), tower top draining pump (11), sour water conveyance conduit (12)
Sour water pipeline is set；
During production, start tower top evacuation (6) and fractionating column (2) is evacuated, meanwhile, access nitrogen, takes out in high-temperature oil gas entrance (1)
While pocket (6) evacuates to the air in fractionating column (2), implantation nitrogen in fractionating column (2).
A kind of 2. separating technology of oil shale retorting high-temperature oil gas piece-rate system according to claim 1, it is characterised in that：
When nitrogen is full of in fractionating column (2), displacement access high-temperature oil gas, the 450 DEG C of high temperature produced by destructive distillation in high-temperature oil gas entrance (1)
Oil gas enters fractionating column (2) bottom by high-temperature oil gas entrance (1)；High-temperature oil gas is extracted out by heavy diesel fuel pump (16) and is delivered to weight
Diesel oil air cooler (17), when heavy diesel fuel air cooler (17) be cooled to 50 DEG C to high-temperature oil gas, the heavy bavin isolated in oil gas
Oil is stored by heavy diesel fuel conveyance conduit into heavy diesel fuel tank (18)；Without separation, thoroughly heavy diesel fuel passes through return duct in oil gas
Road junction returns to washing oil of herringbone baffle plate (20) top in fractionating column (2) as oil gas.
A kind of 3. separating technology of oil shale retorting high-temperature oil gas piece-rate system according to claim 1, it is characterised in that：
Continuously evacuated by evacuation (6), when high-temperature oil gas rises to the light diesel fuel separation section of fractionating column (2), high-temperature oil gas passes through
Light diesel fuel is isolated in the washing of washing oil；Light diesel fuel pump (13) is delivered to light bavin after extracting light diesel fuel out by light diesel fuel conveyance conduit
In oily air cooler (14), light diesel fuel tank is entered by conveyance conduit when light diesel fuel is cooled to 50 DEG C by light diesel fuel air cooler (14)
(15) storage is entered.
A kind of 4. separating technology of oil shale retorting high-temperature oil gas piece-rate system according to claim 1, it is characterised in that：
Continuously evacuated by evacuation (6), when high-temperature oil gas rises to the air cooling separation section of fractionating column (2), pump (3) is followed under in top
The fractionation disk lower end of side extracts high-temperature oil gas out by circulating air cooling pipeline to pushing up in circulating air cooling device (4), and high-temperature oil gas is led to
Cross after top circulating air cooling device (4) is cooled to 60 DEG C；60 DEG C of oil gas are cooled to by washing oil wash impurity and reducing oil gas temperature,
Oil gas after washing is returned by circulating air cooling pipeline above the fractionation disk in fractionating column (2).
A kind of 5. separating technology of oil shale retorting high-temperature oil gas piece-rate system according to claim 1, it is characterised in that：
110 DEG C of high-temperature oil gas at the top of fractionating column (2) is entered in tower top air cooler (5) by tower top evacuation (6), and high-temperature oil gas is led to
Cross tower top air cooler (5) and be cooled to the gas after 50 DEG C and be discharged into dry gas cabinet (7) by entering tower top evacuation (6) and store.
A kind of 6. separating technology of oil shale retorting high-temperature oil gas piece-rate system according to claim 1, it is characterised in that：
The liquid that high-temperature oil gas is cooled to after 50 DEG C by tower top air cooler (5) enters in oil water separator (8), into profit point
From the liquid in device (8) by water-oil separating after, it is light that the light oil of water-oil separating is delivered to tower top after being extracted out by tower top oil pump (9)
Stored in oil tank (10)；The sour water of water-oil separating enters in sour water tank (19), and sour water passes through sour water tank
(19) tower top draining pump (11) discharge below, enters sewage treatment plant by sour water conveyance conduit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270373.0A CN107760351A (en) | 2017-12-05 | 2017-12-05 | A kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270373.0A CN107760351A (en) | 2017-12-05 | 2017-12-05 | A kind of separating technology of oil shale retorting high-temperature oil gas piece-rate system |
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| CN107760351A true CN107760351A (en) | 2018-03-06 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328421A (en) * | 2008-07-22 | 2008-12-24 | 中国石油大学(北京) | Method for enhancing diesel/gasoline ratio in oil refining process |
| CN102021001A (en) * | 2010-12-14 | 2011-04-20 | 上海华畅环保设备发展有限公司 | Device and method for recovering shale oil from air tower segment of oil shale distillation system |
-
2017
- 2017-12-05 CN CN201711270373.0A patent/CN107760351A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328421A (en) * | 2008-07-22 | 2008-12-24 | 中国石油大学(北京) | Method for enhancing diesel/gasoline ratio in oil refining process |
| CN102021001A (en) * | 2010-12-14 | 2011-04-20 | 上海华畅环保设备发展有限公司 | Device and method for recovering shale oil from air tower segment of oil shale distillation system |
Non-Patent Citations (1)
| Title |
|---|
| 陈长生: "《石油加工生产技术》", 31 January 2007 * |
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