CN206805905U - A kind of experimental provision of Atmospheric vacuum deep drawing evaluation - Google Patents
A kind of experimental provision of Atmospheric vacuum deep drawing evaluation Download PDFInfo
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- CN206805905U CN206805905U CN201720283352.1U CN201720283352U CN206805905U CN 206805905 U CN206805905 U CN 206805905U CN 201720283352 U CN201720283352 U CN 201720283352U CN 206805905 U CN206805905 U CN 206805905U
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Abstract
A kind of experimental provision of Atmospheric vacuum deep drawing evaluation, crude oil feeding tank passes through measuring pump and normal-pressure electric Tube in Furnace UNICOM, outlet is tangentially passed through atmospheric flashing separator after passing through temperature detector, its top exit pipe is connected with glass condenser, condensator outlet connects three mouthfuls of receiving flasks, and its outlet at bottom pipe passes through accumulator tank and high temperature metering pump and decompression electric furnace coil pipe UNICOM；The outlet of decompression electric furnace coil pipe is tangentially passed through vacuum flashing separator after passing through temperature detector, its top exit pipe is connected with glass condenser, condensator outlet connects three mouthfuls of receiving flasks, receiving flask connects respectively at drawdown pump UNICOM with vacuum measuring gauge, and its outlet at bottom pipe passes through accumulator tank and high temperature metering pump and second depressurized electric furnace coil pipe UNICOM；Tube in Furnace outlet is tangentially passed through second depressurized flash separator after passing through temperature detector, and its top exit pipe is identical with vacuum flashing separator, and its outlet at bottom pipe is passed through decompression residuum tank.
Description
1. technical field
The utility model provides a kind of experimental provision of Atmospheric vacuum deep drawing evaluation, is related to petroleum refining field.
2. background technology
Atmospheric and vacuum distillation unit is oil plant faucet device, and the base apparatus of deep processing, directly affects whole refining
The comprehensive benefit of factory.With crude oil heaviness and in poor quality and following shale oil, again tar sand oil, (thick) oil, extra heavy oil, deep layer
The unconventional heavy poor oil such as oil, pitch, coal tar largely produces, and reduced crude is difficult to former directly as RFCC
Material.Decompression extracting rate is improved, it is oil refining enterprise to strive for the more catalytic cracking of output or hydrocracking raw material, reduce yield of bottoms
Plan as a whole optimization downstream coking and catalytic cracking or hydrocracking unit production, the necessarily choosing for maximally utilize resource, increasing the benefit
Select.The distillate of deep vacuum distillation is mainly used as catalytic cracking or hydrocracking raw material, its benefit not only embodies in the present apparatus
Come, the prior catalytic cracking for being embodied in downstream, be hydrocracked, in the comprehensive benefit of coking plant and whole refinery.Therefore
The importance and benefit of deep vacuum distillation technology more highlight, both at home and abroad all in the technique and correlation of actively research and development deep vacuum distillation
Equipment.Deep group is not only to subtract wax oil component in slag and to dial to the greatest extent, and the wax oil transferred to will meet the index of downstream unit raw material.
But Atmospheric vacuum should deep drawing which kind of degree to be optimum state to, be not close to the evaluating apparatus of industrial practice so far, into
For the bottleneck of deep drawing technological development.
Crude oil deep vacuum distillation processes the property database of crude oil, especially high-temperature fraction section crude oil firstly the need of establishing
Matter, including metal nickel content, content of vanadium, iron ion content and carbon residue of corresponding temperature section etc., decompression side line product index will
The cut point that deep vacuum distillation is determined with the property of processing crude oil is sought, the country also has in terms of various base oil properties Databases
A large amount of basic research works need to complete.
The reasonable cut point of laboratory evaluation decompression residuum deep drawing mainly uses high vacuum short-path distillation instrument both at home and abroad at present,
By improving vacuum and shortening evaporation distance, the reasonable cut point of decompression residuum is predicted.And existing high vacuum short-path distillation instrument
It is not mixed phase charging flash distillation, steams wax oil and industrial production grave fault；The wax oil steamed every time is because light wax oil dilutes, analysis
Content of beary metal and carbon residue error it is larger, it is little to production practices directive significance；It is not in addition from Atmospheric vacuum single unit system
System considers that normal pressure part has a certain impact to the energy consumption and yield of deep drawing.
3. utility model content
The purpose of this utility model is to overcome the shortcomings of the one of existing atmospheric and vacuum distillation unit deep drawing evaluating apparatus and invention
The experimental provision of kind Atmospheric vacuum deep drawing evaluation, clearly cut according to the mixed phase charging of actual production and bottom of towe stripping and ordinary decompression column
Measure, the cut point of reasonable prediction decompression residuum deep drawing, there is provided each tower feeding temperature and pressure instruct actual production, are carrying such as cut
The yield of high fine-quality diesel oil and wax oil simultaneously, reduces the energy consumption of atmospheric and vacuum distillation deep drawing, is split for the catalytic cracking in downstream, hydrogenation
Change, a large amount of acceptable materials of coking plant offer, so as to improve the economic benefit of whole refinery.
The technical solution of the utility model：
The utility model provides a kind of experimental provision of Atmospheric vacuum deep drawing evaluation, is dodged by the monocyclic material that flows into of three-level mixed phase
Steam and residual oil filler stripping and more flexible feeding temperature and vacuum, Simulation of Crude Oil Atmospheric vacuum deep drawing more true to nature are oily
The practical condition of product, to normal pressure feeding temperature and the clear degree of dissection of extracting rate and reduced crude to decompression residuum deep drawing
Influence, in the content of beary metal and carbon residue and residual oil of three stages of flashing wax slop light component and feeding temperature and vacuum and
The problems such as particular law of the coupled relation of stripping amount, reduced crude coking property and decompression residuum intensifying distillation, provides deeply
The instrument of research, experimental result is set preferably to instruct the production of Atmospheric vacuum commercial plant.It is characterized in that the original with pre- hot function
For oily head tank by band preheating measuring pump and normal-pressure electric Tube in Furnace UNICOM, electronic scale is provided below in crude oil feeding tank, and band is pre-
In the pyrogen oil of the suction line insertion crude oil feeding tank of heat death theory pump, but it is connectionless with crude oil feeding tank；Normal pressure electric furnace
Coil pipe is that two-stage is expanding, and outlet is by the way that directly tangentially mixed phase is passed through the monocyclic of atmospheric flashing separator after temperature detector
Flow feed distributor；The top exit pipe of atmospheric flashing separator is connected with glass condenser, and condensator outlet connects two can
The three mouthfuls of receiving flasks replaced；Atmospheric flashing separator bottom outlet preheats high temperature metering pump and one by accumulator tank and one-level band
Level decompression electric furnace coil pipe UNICOM, its coil pipe are that three-level is expanding；One-level band preheating high temperature metering pump entrance is also strengthened with residual oil
The outlet of distillation agent measuring pump is connected；Electronic scale is provided below in residual oil intensifying distillation agent tank, residual oil intensifying distillation agent measuring pump
In the residual oil intensifying distillation agent of suction line insertion residual oil intensifying distillation agent tank, but it is connectionless with residual oil intensifying distillation agent tank；One
Level decompression electric furnace coil pipe outlet is by the way that directly tangentially mixed phase is passed through one-level vacuum flashing separation after temperature detector
The monocyclic stream feed distributor of device；The top exit pipe of one-level vacuum flashing separator is connected with glass condenser, condenser
Outlet connects two interchangeable three mouthfuls of receiving flasks, and receiving flask connects respectively at one-level drawdown pump UNICOM with vacuum measuring gauge；One-level
Vacuum flashing separator bottom outlet preheats high temperature metering pump and second depressurized electric heating stove plate by accumulator tank and two level band
Pipe UNICOM, its coil pipe are that three-level is expanding；The outlet of second depressurized electric furnace coil pipe passes through direct tangentially side after temperature detector
The monocyclic stream feed distributor of second depressurized flash separator is passed through to mixed phase；The top exit pipe of second depressurized flash separator
It is connected with glass condenser, condensator outlet connects two interchangeable three mouthfuls of receiving flasks, and receiving flask is respectively at second depressurized pump
UNICOM connects with vacuum measuring gauge；Second depressurized flash separator outlet at bottom pipe is passed directly into decompression residuum tank, decompression residuum
Tank is provided with sample tap and discharging opening.
Wherein flash separator structure is to connect dismountable three sections of tower bodies with nut, and collected overhead section is " 7 " font knots
Structure, outer 3 ° -70 ° of comb angled downward from horizontal and with two interchangeable three mouthfuls of receiving flask UNICOMs, " elbows of 7 " fonts sets
It is equipped with thermometer；Middle part flash zone is designed as monocyclic stream feed distributor；Hypomere stripping section design for convenience of dismounting, with vapour
The efficient random packing tower carried, stripping section top and filler tower bottom are respectively provided with thermometer, and filler tower bottom is connected with accumulator tank；
Accumulator tank is provided with sample tap and discharging opening.
Normal-pressure electric Tube in Furnace outlet temperature is 350-390 DEG C, and one-level decompression electric furnace coil pipe outlet temperature is
380-420 DEG C, one-level decompression electric furnace coil pipe outlet temperature is 400-460 DEG C.
The true pressure of atmospheric flashing separator is 101KPa-125KPa, the true pressure of one-level vacuum flashing separator
For 1KPa-25KPa, the true pressure of second depressurized flash separator is 1KPa-10KPa.
The characteristics of embodiment to describe the utility model in detail by the utility model.
4. brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
The drawing of accompanying drawing 1 is described as follows：
1st, crude oil feeding tank 2, preheating measuring pump 3, normal-pressure electric Tube in Furnace 4, electronic scale 5, temperature detector 6,
Atmospheric flashing separator 7, monocyclic stream feed distributor 8, glass condenser 9, three mouthfuls of receiving flasks, 10, accumulator tank 11, one-levels
Band preheating high temperature metering pump 12, one-level decompression electric furnace coil pipe 13, residual oil intensifying distillation agent measuring pump 14, residual oil are strengthened
Distillation agent tank 15, one-level vacuum flashing separator 16, drawdown pump 17, vacuum measuring gauge 18, the preheating high temperature metering of two level band
Pump 19, second depressurized electric furnace coil pipe 20, second depressurized flash separator 21, decompression residuum tank 22, sample tap 23,
Discharging opening 24, collection section 25, thermometer 26, flash zone 27, stripping section 28, packed tower 29, stripped vapor line.
Process characteristic of the present utility model is described in detail with reference to the accompanying drawings and examples.
5. embodiment
Embodiment,
A kind of experimental provision of Atmospheric vacuum deep drawing evaluation, it is characterized in that the crude oil feeding tank (1) with pre- hot function passes through
Electronic scale (4) is provided below in band preheating measuring pump (2) and normal-pressure electric Tube in Furnace (3) UNICOM, crude oil feeding tank (1), and band is pre-
In the pyrogen oil of the suction line insertion crude oil feeding tank (1) of heat death theory pump (2), but it is connectionless with crude oil feeding tank (1)；Normal pressure
Electric furnace coil pipe (3) is that two-stage is expanding, and by temperature detector (5), directly tangentially mixed phase is passed through normal pressure sudden strain of a muscle afterwards for outlet
Steam the monocyclic stream feed distributor (7) of separator (6)；The top exit pipe of atmospheric flashing separator (6) and glass condenser (8)
It is connected, condensator outlet connects two interchangeable three mouthfuls of receiving flasks (9)；Atmospheric flashing separator (6) outlet at bottom pipe passes through
Accumulator tank (10) and one-level band preheating high temperature metering pump (11) and one-level decompression electric furnace coil pipe (12) UNICOM, its coil pipe are three
Level is expanding；One-level band preheats outlet of high temperature metering pump (11) entrance also with residual oil intensifying distillation agent measuring pump (13) and is connected；Slag
Electronic scale (4), the suction line insertion slag of residual oil intensifying distillation agent measuring pump (13) is provided below in oily intensifying distillation agent tank (14)
In the residual oil intensifying distillation agent of oily intensifying distillation agent tank (14), but it is connectionless with residual oil intensifying distillation agent tank (14)；One-level depressurizes
By temperature detector (5), directly tangentially mixed phase is passed through one-level vacuum flashing separation afterwards for electric furnace coil pipe (12) outlet
The monocyclic stream feed distributor (7) of device (15)；The top exit pipe of one-level vacuum flashing separator (15) and glass condenser (8)
Be connected, condensator outlet connects two interchangeable three mouthfuls of receiving flasks (9), receiving flask respectively at one-level drawdown pump (16) UNICOM and
Vacuum measuring gauge (17) connects；One-level vacuum flashing separator (15) outlet at bottom pipe is preheated by accumulator tank (10) and two level band
High temperature metering pump (18) and second depressurized electric furnace coil pipe (19) UNICOM, its coil pipe are that three-level is expanding；Second depressurized electrical heating
By temperature detector (5), directly tangentially mixed phase is passed through second depressurized flash separator (20) afterwards for stone or metal plate for standing a stove on as a precaution against fire pipe (19) outlet
Monocyclic stream feed distributor (7)；The top exit pipe of second depressurized flash separator (20) is connected with glass condenser (8)
Connect, condensator outlet connects two interchangeable three mouthfuls of receiving flasks (9), and receiving flask is respectively at second depressurized pump (16) UNICOM and vacuum
Measuring instrument (17) connects；Second depressurized flash separator (20) outlet at bottom pipe is passed directly into decompression residuum tank (21), depressurizes slag
Oil tank (21) is provided with sample tap (22) and discharging opening (23).
Wherein flash separator structure is to connect dismountable three sections of tower bodies with nut, and collected overhead section (24) is " 7 " words
Type structure, outer 3 ° -70 ° of comb angled downward from horizontal and with two interchangeable three mouthfuls of receiving flasks (9) UNICOMs, " 7 " fonts it is curved
Thermometer (25) is provided with head；Middle part flash zone (26) is designed as monocyclic stream feed distributor (7)；Hypomere stripping section (27) is set
Be calculated as convenient dismounting, with steam stripped efficiently random packing tower (28), stripping section (27) top and packed tower (28) bottom are equal
Thermometer (25) is set, and packed tower (28) bottom sets regulatable stripped vapor line (29), packed tower (28) bottom and oil-collecting
Tank (10) is connected；Accumulator tank (10) is provided with sample tap (22) and discharging opening (23).
Normal-pressure electric Tube in Furnace (3) outlet temperature is 350-390 DEG C, one-level decompression electric furnace coil pipe (12) outlet temperature
Spend for 380-420 DEG C, one-level decompression electric furnace coil pipe (19) outlet temperature is 400-460 DEG C.
The true pressure of atmospheric flashing separator (6) is 101KPa-125KPa, one-level vacuum flashing separator (15) it is true
Real pressure is 1KPa-25KPa, and the true pressure of second depressurized flash separator (20) is 1KPa-10KPa.
A kind of experimental provision of Atmospheric vacuum deep drawing evaluation provided by the utility model, integrally considers from atmospheric and vacuum distillation unit,
Material flash distillation and residual oil filler stripping and more flexible feeding temperature and vacuum are flowed into by the way that three-level mixed phase is monocyclic, is more forced
The practical condition of genuine Simulation of Crude Oil Atmospheric vacuum deep drawing oil product, normal pressure feeding temperature and extracting rate and often can be analyzed
Press influence of the clear degree of dissection of residual oil to decompression residuum deep drawing；Content of beary metal, the carbon residue of Accurate Determining three stages of flashing wax slop
Light component with decompression feeding temperature and vacuum and strips quantitative change law in value and residual oil, determines the optimal depth of selective crude
Pull out cut point；Selective crude is determined according to the residual oil high temperature viscosity rule of the yield of decompression residuum intensifying distillation and addition hardening agent
Specific hardening agent optimum addn amount；The limit outlet temperature of vacuum furnace is determined according to reduced crude coking property point of inflexion on a curve
And flow velocity；It is finally optimal according to the clear degree of dissection of reduced crude, deep drawing cut point, limit outlet temperature and flow velocity and hardening agent
Additive capacity provides the guiding operating parameters such as temperature, pressure and steam injection amount, many kinds of measures for the production of Atmospheric vacuum commercial plant
It is integrated to use, the group effect of deep vacuum distillation and energy efficiency is just formd, the missing of any one measure will all influence to subtract
Press the optimum efficiency of deep drawing and energy efficiency.
Claims (4)
- A kind of 1. experimental provision of Atmospheric vacuum deep drawing evaluation, it is characterized in that it is characterized in that the crude oil feeding tank with pre- hot function leads to Cross band preheating measuring pump and electronic scale is provided below with normal-pressure electric Tube in Furnace UNICOM, crude oil feeding tank, with preheating measuring pump In the pyrogen oil of suction line insertion crude oil feeding tank, but it is connectionless with crude oil feeding tank；Normal-pressure electric Tube in Furnace is two-stage Expanding, outlet is passed through the monocyclic of atmospheric flashing separator by direct tangentially mixed phase after temperature detector and flows into material distribution Device；The top exit pipe of atmospheric flashing separator is connected with glass condenser, and condensator outlet connects two interchangeable three mouthfuls Receiving flask；Atmospheric flashing separator bottom outlet preheats high temperature metering pump by accumulator tank and one-level band and added with one-level decompression electricity Hot stove coil pipe UNICOM, its coil pipe are that three-level is expanding；One-level band preheating high temperature metering pump entrance also measures with the agent of residual oil intensifying distillation The outlet of pump is connected；Electronic scale is provided below in residual oil intensifying distillation agent tank, and the suction line of residual oil intensifying distillation agent measuring pump is inserted In the residual oil intensifying distillation agent for entering residual oil intensifying distillation agent tank, but it is connectionless with residual oil intensifying distillation agent tank；One-level decompression electricity adds Hot stove coil outlets are by the way that directly tangentially mixed phase is passed through the monocyclic stream of one-level vacuum flashing separator after temperature detector Feed distributor；The top exit pipe of one-level vacuum flashing separator is connected with glass condenser, and condensator outlet connects two Interchangeable three mouthfuls of receiving flasks, receiving flask connect respectively at one-level drawdown pump UNICOM with vacuum measuring gauge；One-level vacuum flashing point High temperature metering pump and second depressurized electric furnace coil pipe UNICOM, its disk are preheated by accumulator tank and two level band from device outlet at bottom pipe Manage for three-level it is expanding；The outlet of second depressurized electric furnace coil pipe is by the way that directly tangentially mixed phase is passed through two after temperature detector The monocyclic stream feed distributor of level vacuum flashing separator；The top exit pipe and glass condenser of second depressurized flash separator It is connected, condensator outlet connects two interchangeable three mouthfuls of receiving flasks, and receiving flask is surveyed respectively at second depressurized pump UNICOM and vacuum Measure instrument connection；Second depressurized flash separator outlet at bottom pipe is passed directly into decompression residuum tank, and decompression residuum tank is provided with sampling Mouth and discharging opening.
- A kind of 2. experimental provision of Atmospheric vacuum deep drawing evaluation according to claim 1, it is characterised in that flash separator knot Structure is to connect dismountable three sections of tower bodies with nut, and collected overhead section is " 7 " font structures, outer 3 ° of comb angled downward from horizontal- 70 ° and with two interchangeable three mouthfuls of receiving flask UNICOMs, " elbows of 7 " fonts is provided with thermometer；Middle part flash zone design For monocyclic stream feed distributor；The design of hypomere stripping section for convenience of dismounting, with steam stripped efficiently random packing tower, stripping section Top and filler tower bottom are respectively provided with thermometer, and filler tower bottom is connected with accumulator tank；Accumulator tank is provided with sample tap and discharging Mouthful.
- A kind of 3. experimental provision of Atmospheric vacuum deep drawing evaluation according to claim 1, it is characterised in that normal pressure electric furnace Coil outlet temperature is 350-390 DEG C, and one-level decompression electric furnace coil pipe outlet temperature is 380-420 DEG C, and one-level decompression electricity adds Hot stove Coil outlet temperature is 400-460 DEG C.
- 4. the experimental provision of a kind of Atmospheric vacuum deep drawing evaluation according to claim 1, it is characterised in that atmospheric flashing separates The true pressure of device is 101KPa-125KPa, and the true pressure of one-level vacuum flashing separator is 1KPa-25KPa, second depressurized The true pressure of flash separator is 1KPa-10KPa.
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| CN201720283352.1U CN206805905U (en) | 2017-03-22 | 2017-03-22 | A kind of experimental provision of Atmospheric vacuum deep drawing evaluation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710433A (en) * | 2017-03-22 | 2017-05-24 | 中国石油大学(华东) | Experimental apparatus for atmospheric-vacuum distillation evaluation |
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- 2017-03-22 CN CN201720283352.1U patent/CN206805905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710433A (en) * | 2017-03-22 | 2017-05-24 | 中国石油大学(华东) | Experimental apparatus for atmospheric-vacuum distillation evaluation |
| CN106710433B (en) * | 2017-03-22 | 2023-11-17 | 中国石油大学(华东) | Experimental device for evaluation is pulled out deeply to atmospheric and vacuum pressure |
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