CN112322320B - Separation equipment for carbon-nine resin oil and use method thereof - Google Patents

Separation equipment for carbon-nine resin oil and use method thereof Download PDF

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Publication number
CN112322320B
CN112322320B CN202011135056.XA CN202011135056A CN112322320B CN 112322320 B CN112322320 B CN 112322320B CN 202011135056 A CN202011135056 A CN 202011135056A CN 112322320 B CN112322320 B CN 112322320B
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CN
China
Prior art keywords
resin oil
pipe
condenser
inlet pipe
carbon
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Expired - Fee Related
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CN202011135056.XA
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Chinese (zh)
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CN112322320A (en
Inventor
孙向东
程嘉杰
刘家懿
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Henghe Materials and Science Technology Co Ltd
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Henghe Materials and Science Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G7/00Distillation of hydrocarbon oils
    • C10G7/06Vacuum distillation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G53/00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G7/00Distillation of hydrocarbon oils
    • C10G7/12Controlling or regulating

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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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The invention discloses a separating device for carbon nine resin oil and a using method thereof, the separating device comprises a vacuum rectification separating tower, the left side of the middle part of the vacuum rectification separating tower is connected with a heating section, the heating section comprises a feeding pipe, the end part of the feeding pipe is connected with a vertically downward air inlet pipe, the outer side of the feeding pipe in the vacuum rectification separating tower is provided with a heating layer, a winding electric heating wire is arranged in the heating layer, the lower end of the air inlet pipe is provided with a dispersion pipe with the lower end closed, the side wall of the dispersion pipe is uniformly provided with a plurality of through holes, so that gas is horizontally and circumferentially sprayed out, the feeding pipe comprises an external pipe diffuser, and the diffuser is connected with the air inlet pipe through a pipeline. Through the setting of heating section, utilize gaseous dispersion raw materials, improve separation efficiency.

Description

Separation equipment for carbon-nine resin oil and use method thereof
Technical Field
The invention relates to separation equipment, in particular to separation equipment for carbon nine resin oil and a using method thereof.
Background
The mixed carbon-nine resin oil is a byproduct of a large petrochemical ethylene device, has very complex components, and contains more than 200 components, such as dicyclopentadiene, methylcyclopentadiene dimer, cyclopentadiene-methylcyclopentadiene dimer, carbon-nine aromatic hydrocarbons, indenes, naphthalene compounds and the like. The appearance of the aromatic hydrocarbon-free aromatic hydrocarbon paste is light yellow or brown yellow liquid, free of free water, and has a density of not less than 900kg/m3 at 20 ℃ and a total aromatic hydrocarbon content of not less than 50.0%.
At present, the carbon-nine petroleum resin is directly processed into the carbon-nine petroleum resin without separation in China, so the quality of the carbon-nine petroleum resin in China is generally poor, and the prominent effects are that the product has darker color and too wide molecular weight distribution range, and can only be used for low-grade products. Accordingly, the present invention provides a separation apparatus for carbon nine resin oil and a method of using the same to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a separation device for carbon nine resin oil and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a splitter for carbon nine resin oil and application method thereof, includes the rectification of decompression knockout tower, the heating section is connected on the middle part left side of rectification of decompression knockout tower, and the heating section includes the inlet pipe, the vertical decurrent intake pipe of end connection of inlet pipe, and the outside of inlet pipe in the rectification of decompression knockout tower all is equipped with the zone of heating, is equipped with winding heating wire in the zone of heating, and the inlet pipe is including taking over the deconcentrator outward, and the deconcentrator passes through the pipe connection intake pipe.
The top of heating section is equipped with the fan, the fan passes through the support to be fixed in the vacuum rectification knockout tower, the upper portion of vacuum rectification knockout tower is equipped with the filler district, the lower part of vacuum rectification knockout tower is equipped with the lower filler district, the downside in lower filler district passes through the heavy resin oil cooler of pipe connection, heavy resin oil storage tank is connected to the heavy resin oil cooler, the middle part in lower filler district passes through the pipe connection reflux tank, the upper right side of going up the filler district passes through pipe connection condenser one, condenser one passes through pipe connection condenser two, light resin oil storage tank is connected to condenser two, separate raw materials mixed resin oil.
As a further scheme of the invention, the lower end of the air inlet pipe is provided with a dispersion pipe with a closed lower end, and the side wall of the dispersion pipe is uniformly provided with a plurality of through holes, so that the gas is horizontally and circumferentially sprayed out.
As a further scheme of the invention, the middle part of the disperser is provided with an air nozzle which is connected with an air inlet pipe, the periphery of the air nozzle is provided with nozzles which are distributed in a cylindrical manner, the nozzles are inclined towards the axis of the air nozzle, the left end of each nozzle is connected with an external connecting pipe, and the grease is dispersed and then pushed out by air.
As a further scheme of the invention, a rotating shaft of the fan is connected with fan blades which are in a sheet shape and vertical to a horizontal plane, and the fan blades drive airflow to rotate horizontally.
As a further scheme of the invention, the lower packing region comprises a heating screen plate on the upper side, a ceramic filter layer is arranged on the lower side of the heating screen plate, a collecting pipe is arranged on the lower side of the ceramic filter layer, the lower side of the collecting pipe is funnel-shaped, a gap is reserved between the outer side of the collecting pipe and the reduced pressure rectification separation tower, heavy resin oil conveniently flows downwards, regular packing is filled in the collecting pipe, the lower side of the lower packing region is connected with a heavy resin oil cooler through a discharge pipe, and the collecting pipe is connected with a reflux tank through a pipeline.
As a further scheme of the invention, the reflux tank is a decompression heating tank and comprises a heating component at the lower side and an air extraction component at the upper side, the air extraction component is communicated with the middle lower part of the decompression rectification separation tower, the lower end of the reflux tank is connected with a heavy resin oil cooler through a pipeline, and the upper end of the reflux tank is connected with the lower end of a condenser I to reheat and separate the refluxed heavy resin oil.
As a further scheme of the invention, the upper filling area comprises ceramic tube filling on the lower side and a round cover type cover on the upper side, the upper side of the upper filling area is connected with a second condenser through a second air outlet, the right upper side of the upper filling area is connected with the first condenser through the first air outlet, and the air outlet of the first condenser is connected with the second condenser.
As a further scheme of the invention, the temperature in the first condenser is lower than that of the second condenser, so that gradual condensation is carried out, and the separation effect is improved.
As a further scheme of the invention, an oval cavity protruding outwards is arranged at the middle upper part of the vacuum rectification separation tower and corresponds to the position of the fan, so that the internal volume is increased, and the wind speed is further reduced.
The separation equipment for the carbon nine resin oil comprises the following steps:
s1: the raw materials pass through the inlet pipe and get into, through the heating of heating wire after to along the deconcentrator blowout, further dispersion of gas through the intake pipe, discharge from the blast pipe.
S2: under the drive of a fan and fan blades, the horizontal wind power drives large-particle liquid to be close to the inner wall, and the large-particle liquid is separated by a vacuum rectification separation tower and gravity.
S3: the heavy resin oil passes through the lower packing area and is finally collected through a heavy resin oil cooler and a heavy resin oil storage tank, the heavy resin oil in the collection pipe is further subjected to pressure reduction and heating through the reflux tank, separation is further carried out, and a part of the heavy resin oil flows back.
S4: light resin oil passes through the filler district, and the large granule gas at edge carries out secondary condensation and separation in getting into condenser one through gas outlet one, and the rethread backward flow jar carries out the secondary reflux, and middle gas is collected at light resin oil storage tank through condenser two.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the mixed carbon-nine resin oil is separated into the light resin oil and the heavy resin oil, and then the light resin oil and the heavy resin oil are separated by using centrifugal force and gravity, so that the mixture at the edge is further separated, the purity of the product is improved, and meanwhile, the raw materials are dispersed by using gas through the arrangement of the heating section, so that the separation efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a separation apparatus for carbon nine resin oil.
Fig. 2 is a partially enlarged view of a in fig. 1.
Fig. 3 is a schematic view of the structure of the lower packing region in a separation apparatus for carbon nine resin oil.
Fig. 4 is a schematic view of the upper packing region in a separation apparatus for carbon nine resin oil.
Fig. 5 is a schematic perspective view of a fan blade in a separation device for carbon nine resin oil.
Fig. 6 is a schematic perspective view of a separator in a separation apparatus for carbon nine resin oil.
In the figure: 1. a vacuum rectification separation tower; 2. a heating section; 3. an upper packing region; 4. a lower packing region; 5. a first condenser; 6. a second condenser; 7. a heavy resin oil cooler; 8. a heavy resin oil storage tank; 9. a reflux tank; 10. a feed pipe; 11. an electric heating wire; 12. an air inlet pipe; 13. a disperser; 14. an exhaust pipe; 15. a support; 16. a fan; 17. a fan blade; 18. heating the screen plate; 19. a ceramic filter layer; 20. packing regularly; 21. a collection pipe; 22. a first discharge pipe; 23. ceramic tube packing; 24. a first air outlet; 25. and a second air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a separation apparatus for carbon-nine resin oil and a use method thereof include a vacuum distillation separation tower 1, a heating section 2 is connected to a left side of a middle portion of the vacuum distillation separation tower 1, the heating section 2 includes a feeding pipe 10, an end portion of the feeding pipe 10 is connected to a vertically downward air inlet pipe 12, the feeding pipe 10 is provided with a heating layer on an outer side of the vacuum distillation separation tower 1, a coiled heating wire 11 is provided in the heating layer, a dispersion pipe with a closed lower end is provided at a lower end of the air inlet pipe 12, a plurality of through holes are uniformly provided on a side wall of the dispersion pipe, so that gas is horizontally and circumferentially ejected, the feeding pipe 10 includes an external pipe disperser 13, the disperser 13 is connected to the air inlet pipe 12 through a pipeline, an air jet port is provided at a middle portion of the disperser 13, the air jet port is connected to the air inlet pipe 12, nozzles with cylindrical distribution are provided at a periphery of the air jet port, and are all inclined toward an axis of the air jet port, the left end of the nozzle is connected with an external connecting pipe, and the grease is dispersed and then pushed out by air.
The top of heating section 2 is equipped with fan 16, and fan 16 passes through support 15 to be fixed in vacuum rectification separating tower 1, the pivot of fan 16 is connected with fan blade 17, and fan blade 17 is the slice of perpendicular to horizontal plane, drives the air current level and rotates, and the upper portion of vacuum rectification separating tower 1 is equipped with filler district 3, and the lower part of vacuum rectification separating tower 1 is equipped with lower filler district 4, and the downside of lower filler district 4 passes through pipe connection heavy resin oil cooler 7, and heavy resin oil cooler 7 connects heavy resin oil storage tank 8, and the middle part of lower filler district 4 passes through pipe connection reflux drum 9, and the upper right side of upper filler district 3 passes through pipe connection condenser one 5, and condenser one 5 passes through pipe connection condenser two 6, and condenser two 6 connect the light resin oil storage tank, separates raw materials mixed resin oil.
Lower packing district 4 includes the heating otter board 18 of upside, and the downside of heating otter board 18 is equipped with ceramic filter layer 19, and the downside of ceramic filter layer 19 is equipped with collecting pipe 21, and the collecting pipe 21 intussuseption is filled with regular packing 20, collecting pipe 21's downside is hourglass hopper-shaped, and leaves the gap between collecting pipe 21's the outside and the decompression rectification knockout tower 1, and the heavy resin oil of being convenient for down flows, and the downside of lower packing district 4 is passed through discharging pipe 22 and is connected heavy resin oil cooler 7, and collecting pipe 21's the pipe connection reflux drum 9 that passes through.
The reflux tank 9 is a decompression heating tank, the reflux tank 9 comprises a heating component on the lower side and an air pumping component on the upper side, the air pumping component is communicated with the middle lower part of the decompression rectification separation tower 1, the lower end of the reflux tank 9 is connected with the heavy resin oil cooler 7 through a pipeline, the upper end of the reflux tank 9 is connected with the lower end of the condenser I5, and the reflux heavy resin oil is reheated and separated.
Go up filler district 3 and include ceramic tube filler 23 of downside and the dome type lid of upside, go up the upside of filler district 3 and pass through two 25 connections condensers 6 of gas outlet, go up the upper right side of filler district 3 and pass through one 24 connections condensers 5 of gas outlet, the gas outlet of condenser 5 is connected condensers 6, the temperature in condenser 5 is less than the temperature of condenser two 6, carries out gradual condensation, improves the separation effect.
An oval cavity protruding outwards is arranged at the middle upper part of the vacuum rectification separation tower 1 corresponding to the fan 16, so that the internal volume is increased, and the wind speed is further reduced.
The separation equipment for the carbon nine resin oil comprises the following steps:
s1: the raw material is introduced through the inlet pipe 10, heated by the heating wire 11, and then ejected along the dispenser 13, and the gas passing through the inlet pipe 12 is further dispersed and discharged from the outlet pipe 14.
S2: under the drive of the fan 16 and the fan blade 17, the horizontal wind power drives the large-particle liquid to approach the inner wall, and the large-particle liquid is separated from the gravity by the vacuum rectification separation tower 1.
S3: the heavy resin oil passes through the lower packing region 4 and is finally collected by the heavy resin oil cooler 7 and the heavy resin oil storage tank 8, the heavy resin oil in the collecting pipe 21 is further decompressed and heated by the reflux tank 9, the separation is further carried out, and a part of the heavy resin oil is refluxed.
S4: light resin oil passes through upper packing district 3, and the large granule gas at edge carries out secondary condensation and separation in getting into condenser one 5 through gas outlet one 24, carries out the secondary reflux through reflux drum 9 again, and middle gas is collected in light resin oil storage tank through condenser two 6.
According to the invention, the mixed carbon-nine resin oil is separated into the light resin oil and the heavy resin oil, and then the light resin oil and the heavy resin oil are separated by using centrifugal force and gravity, so that the mixture at the edge is further separated, the purity of the product is improved, and meanwhile, the raw materials are dispersed by using gas through the arrangement of the heating section 2, so that the separation efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (7)

1. A separation device for carbon-nine resin oil comprises a vacuum rectification separation tower (1), and is characterized in that the left side of the middle of the vacuum rectification separation tower (1) is connected with a heating section (2), the heating section (2) comprises an inlet pipe (10), the end part of the inlet pipe (10) is connected with a vertically downward air inlet pipe (12), the outer side of the inlet pipe (10) in the vacuum rectification separation tower (1) is provided with a heating layer, a wound electric heating wire (11) is arranged in the heating layer, the inlet pipe (10) comprises an external pipe disperser (13), and the disperser (13) is connected with the air inlet pipe (12) through a pipeline;
a fan (16) is arranged above the heating section (2), the fan (16) is fixed in the decompression rectification separation tower (1) through a bracket (15), the device is characterized in that a rotating shaft of the fan (16) is connected with fan blades (17), the fan blades (17) are sheet-shaped and perpendicular to the horizontal plane and drive airflow to horizontally rotate, an upper packing area (3) is arranged on the upper portion of the reduced pressure rectification separation tower (1), a lower packing area (4) is arranged on the lower portion of the reduced pressure rectification separation tower (1), the lower side of the lower packing area (4) is connected with a heavy resin oil cooler (7) through a pipeline, the heavy resin oil cooler (7) is connected with a heavy resin oil storage tank (8), the middle portion of the lower packing area (4) is connected with a reflux tank (9) through a pipeline, the upper right side of the upper packing area (3) is connected with a first condenser (5) through a pipeline, the first condenser (5) is connected with a second condenser (6) through a pipeline, and the second condenser (6) is connected with a light resin oil storage tank;
The lower packing region (4) comprises a heating screen plate (18) on the upper side, a ceramic filter layer (19) is arranged on the lower side of the heating screen plate (18), a collecting pipe (21) is arranged on the lower side of the ceramic filter layer (19), the lower side of the collecting pipe (21) is funnel-shaped, a gap is reserved between the outer side of the collecting pipe (21) and the reduced pressure rectification separation tower (1), regular packing (20) is filled in the collecting pipe (21), the lower side of the lower packing region (4) is connected with a heavy resin oil cooler (7) through a first discharging pipe (22), and the collecting pipe (21) is connected with a reflux tank (9) through a pipeline;
the upper packing area (3) comprises a ceramic tube packing (23) on the lower side and a round cover type cover on the upper side, the upper side of the upper packing area (3) is connected with a second condenser (6) through a second air outlet (25), the upper right side of the upper packing area (3) is connected with a first condenser (5) through a first air outlet (24), and an air outlet of the first condenser (5) is connected with the second condenser (6).
2. The carbon-nine resin oil separation equipment as claimed in claim 1, wherein the lower end of the air inlet pipe (12) is provided with a dispersion pipe with a closed lower end, and the side wall of the dispersion pipe is uniformly provided with a plurality of through holes.
3. The separation equipment for carbon-nine resin oil according to claim 1, characterized in that the middle of the disperser (13) is provided with an air nozzle, the air nozzle is connected with an air inlet pipe (12), the periphery of the air nozzle is provided with nozzles distributed in a cylindrical manner, the nozzles are all inclined towards the axis of the air nozzle, and the left end of each nozzle is connected with an external pipe.
4. The carbon-nine resin oil separation equipment is characterized in that the reflux tank (9) is a reduced-pressure heating tank, the reflux tank (9) comprises a lower heating component and an upper air extraction component, the air extraction component is communicated with the middle lower part of the reduced-pressure rectification separation tower (1), the lower end of the reflux tank (9) is connected with a heavy resin oil cooler (7) through a pipeline, and the upper end of the reflux tank (9) is connected with the lower end of a first condenser (5).
5. The apparatus for separating carbon nine resin oil according to claim 1, wherein the temperature in the first condenser (5) is lower than that in the second condenser (6).
6. The separation equipment for the carbon nine resin oil according to the claim 1, characterized in that the middle upper part of the vacuum distillation separation tower (1) is provided with an oval cavity protruding outwards corresponding to the position of the fan (16).
7. The use of the separation apparatus for carbon nine resin oil according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1: raw materials enter through a feeding pipe (10), are heated by an electric heating wire (11) and then are sprayed out along a disperser (13), and gas passing through an air inlet pipe (12) is further dispersed and is discharged from an air outlet pipe (14);
S2: under the drive of a fan (16) and a fan blade (17), the horizontal wind power drives the liquid to be close to the inner wall, and the liquid is separated from the gravity by a vacuum rectification separation tower (1);
s3: heavy resin oil passes through the lower packing area (4), is finally collected through a heavy resin oil cooler (7) and a heavy resin oil storage tank (8), the heavy resin oil in the collecting pipe (21) is further decompressed and heated through a reflux tank (9), further separation is carried out, and a part of the heavy resin oil is refluxed;
s4: the light resin oil passes through the upper filling area (3), the gas at the edge enters the condenser I (5) through the gas outlet I (24) to be secondarily condensed and separated, the secondary reflux is carried out through the reflux tank (9), and the gas in the middle is collected in the light resin oil storage tank through the condenser II (6).
CN202011135056.XA 2020-10-21 2020-10-21 Separation equipment for carbon-nine resin oil and use method thereof Expired - Fee Related CN112322320B (en)

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CN202011135056.XA CN112322320B (en) 2020-10-21 2020-10-21 Separation equipment for carbon-nine resin oil and use method thereof

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Application Number Priority Date Filing Date Title
CN202011135056.XA CN112322320B (en) 2020-10-21 2020-10-21 Separation equipment for carbon-nine resin oil and use method thereof

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CN112322320B true CN112322320B (en) 2022-06-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101602956B (en) * 2009-07-13 2013-01-30 淄博鲁华泓锦化工股份有限公司 Separation method and device of C9 resin oil
CN105498262B (en) * 2015-12-01 2018-04-17 欧阳丁一 A kind of vacuum rectifying apparatus with built-in Roots vaccum pump
CN106497596A (en) * 2016-12-28 2017-03-15 河南微服网络科技有限公司 A kind of distillation equipment
CN207276526U (en) * 2017-08-30 2018-04-27 南京扬子精细化工有限责任公司 A kind of multi-product coproduction reaction and rectification device of ethylene by-product carbon nine
CN207708557U (en) * 2017-12-20 2018-08-10 山西同杰化学试剂有限公司 A kind of rectifier unit producing organic high purity reagent
CN208430056U (en) * 2018-06-01 2019-01-25 抚顺齐隆化工有限公司 Light dydrocarbon, nine resinae product separator of carbon
CN208493292U (en) * 2018-06-28 2019-02-15 新乡市巨晶化工有限责任公司 A kind of energy-efficient 1,2- pentanediol rectifying column

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Granted publication date: 20220628