CN107384470A - A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit - Google Patents
A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit Download PDFInfo
- Publication number
- CN107384470A CN107384470A CN201710636506.5A CN201710636506A CN107384470A CN 107384470 A CN107384470 A CN 107384470A CN 201710636506 A CN201710636506 A CN 201710636506A CN 107384470 A CN107384470 A CN 107384470A
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- China
- Prior art keywords
- adsorption tower
- fixedly connected
- pipeline
- tower
- regeneration gas
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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
- C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
-
- 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
- C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
- C10G25/12—Recovery of used adsorbent
-
- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
-
- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/08—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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/208—Sediments, e.g. bottom sediment and water or BSW
Abstract
The invention discloses a kind of organic solvent molecule to sieve dehydration dealcoholysis regenerating unit, including dehydration device, regeneration cycle device and waste liquid separator, one end of the regeneration cycle device is connected with dehydration device by pipeline, and the other end of the regeneration cycle device is connected with waste liquid separator by pipeline；The dehydration device includes adsorption tower a, adsorption tower b, feed pipe, discharge pipe and steam inlet pipeline, the adsorption tower a and adsorption tower b is set up in parallel, the adsorption tower a, adsorption tower b bottom and feed pipe are fixedly connected, the adsorption tower a, adsorption tower b upper end and steam inlet pipeline are fixedly connected, and the adsorption tower a, adsorption tower b upper end are also associated with discharge pipe.The present invention realizes absorption, regenerates and blow cold process, ensure that the lasting progress of whole absorbing process in turn by setting two adsorption tower a and adsorption tower b.
Description
Technical field
The invention belongs to dehydrate liquids, dealcoholization device field, and in particular to a kind of organic molten
Agent molecule sieve dehydration dealcoholysis regenerating unit.
Background technology
In oil vapor treatment industry, because aqueous alcohol content is higher in hydro carbons, causes downstream product Moisture high UCL, have a strong impact on
The competitiveness of product in the international market.There is molecular sieve very big specific surface area and hole to refer to, molecular size specific to him
Aperture and the suction-operated stronger to polarity unsaturation molecule, molecular sieve is applied not only to the depth drying of gas, and
It can effectively dry plurality of liquid, especially remove moisture in organic hydrocarbon liquid and alcohol can be to hydro carbons using molecular sieve
Carry out deep dehydration and dealcoholysis.
But alcohols is not easy to be desorbed in molecular sieve, can have a strong impact on the molecular sieve life-span, it is therefore desirable to which one kind can make
The regenerative process that alcohols thoroughly parses from molecular sieve, molecular sieve service life is improved, reduces cost, while reduce solid waste
Pollution to environment.Through retrieval, without such technology.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of succinct, efficiently, economic organic solvent
Molecular sieve dehydration dealcoholysis regenerating unit.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of organic solvent molecule sieve dehydration dealcoholysis
Regenerating unit, its innovative point are：Including dehydration device, regeneration cycle device and waste liquid separator, the regeneration cycle dress
The one end put is connected with dehydration device by pipeline, and the other end and the waste liquid separator of the regeneration cycle device pass through pipeline
Connection；
The dehydration device includes adsorption tower a, adsorption tower b, feed pipe, discharge pipe and steam inlet pipeline, the absorption
Tower a is set up in parallel with adsorption tower b, and the adsorption tower a, adsorption tower b bottom and feed pipe are fixedly connected, the suction
Attached tower a, adsorption tower b upper end and steam inlet pipeline are fixedly connected, the adsorption tower a, adsorption tower b upper end also
It is connected with discharge pipe.
Further, the regeneration cycle device includes regeneration gas absorption tower, electric heater, blower fan, cooler and regeneration
Gas admission line, one end of the regeneration gas admission line are fixedly connected with electric heater, the regeneration gas admission line
The other end be fixedly connected with blower fan, the electric heater is fixedly connected by pipeline and regeneration gas absorption tower, institute
The other end and steam inlet pipeline for stating regeneration gas absorption tower are fixedly connected, the cooler by pipeline and adsorption tower a,
Adsorption tower b bottom is fixedly connected.
Further, the waste liquid separator includes knockout drum, emptying feed channel and oily waste water discharge line, described
The upper end of knockout drum is fixedly connected with emptying feed channel, and bottom and the oily waste water discharge line of the knockout drum enter
Row is fixedly connected.
Further, the cooler is fixedly connected by pipeline and knockout drum.
Beneficial effects of the present invention are as follows：The present invention by set two adsorption tower a and adsorption tower b, in turn realize absorption,
Cold process is regenerated and blown, ensure that the lasting progress of whole absorbing process.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It is as shown in Figure 1 the overall structure diagram of the present invention, a kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit,
Including dehydration device, regeneration cycle device and waste liquid separator, one end and the dehydration device of regeneration cycle device pass through pipeline
Connection, the other end of regeneration cycle device are connected with waste liquid separator by pipeline；
Dehydration device includes adsorption tower a1, adsorption tower b2, feed pipe 8, discharge pipe 9 and steam inlet pipeline 13, adsorption tower
A1 is set up in parallel with adsorption tower b2, and adsorption tower a1, adsorption tower b2 bottom and feed pipe 8 are fixedly connected, adsorption tower
A1, adsorption tower b2 upper end and steam inlet pipeline 13 are fixedly connected, and adsorption tower a1, adsorption tower b2 upper end also connect
It is connected to discharge pipe 9.The present invention realizes absorption, regenerates and blow cold mistake in turn by setting two adsorption tower a1 and adsorption tower b2
Journey, it ensure that the lasting progress of whole absorbing process.
Regeneration cycle device includes regeneration gas absorption tower 4, electric heater 3, blower fan 6, cooler 5 and regeneration gas admission line
10, one end and the electric heater 3 of regeneration gas admission line 10 are fixedly connected, the other end and wind of regeneration gas admission line 10
Machine 6 is fixedly connected, and electric heater 3 is fixedly connected by pipeline and regeneration gas absorption tower 4, regeneration gas absorption tower 4
The other end is fixedly connected with steam inlet pipeline 13, and cooler 5 passes through pipeline and adsorption tower a1, adsorption tower b2 bottom
It is fixedly connected.
Waste liquid separator includes knockout drum 7, emptying feed channel 11 and oily waste water discharge line 12, knockout drum 7 it is upper
End is fixedly connected with emptying feed channel 11, bottom and the company of being fixed of oily waste water discharge line 12 of knockout drum 7
Connect, cooler 5 is fixedly connected by pipeline and knockout drum 7.
Operation principle：
Adsorption process：Hydrocarbon-rich feed pipe 8 is connected with adsorption tower a1, adsorption tower b2, and the switching of two adsorption towers is realized by valve.
The aqueous and hexane of alcohol enters absorption tower 1 by hydrocarbon-rich feed pipe 8, and the lean solution after being dehydrated through absorption tower a1 is by lean solution discharge nozzle
Flow out in road 9.
Regenerative process：It is made up of emptying, steam displacement dealcoholysis, heating, constant temperature, the several processes of cooling.
Emptying process regeneration nitrogen is entered by regeneration gas admission line 10, after electric heater 3, through regeneration gas absorption tower
Enter adsorption tower after 4, the molecular sieve progress solvent of saturation is parsed, now, electric heater 3 does not work.
Steam is entered by steam inlet pipeline 13 wants adsorption tower, through pipeline enters cooler 5 after being come out from adsorption tower, cooling
Then the alcohol to get off, water and a small amount of hexane solution are discharged in waste liquid knockout drum 7 by leakage fluid dram 12.
After steam dealcoholysis terminates, steam is cut off, regeneration nitrogen is entered by regeneration gas admission line 10, through electric heater 3
After heating, nitrogen is dried through regeneration gas absorption tower 4, subsequently into absorption tower b2, water parses from molecular sieve,
Enter cooler 5 with nitrogen, in cooler 5, water condensation is got off, and nitrogen is after the pressurization of blower fan 6, then by electric heater 3
Heating, continues cycling through use, reaches required time until adsorption tower b2 outlet temperatures are constant, and molecular sieve dehydration process is completed,
Heating, thermostatic process, nitrogen can be recycled, the nitrogen being lost in cyclic process, mended by regeneration gas admission line 10
Give.
Molecular sieve dehydration is completed, it is necessary to require cool to adsorption temp to adsorption tower before next adsorption operations.Close electricity
Heater 3, the nitrogen after the cooling of cooler 5 is after the pressurization of blower fan 6, by electric heater 3, the now not work of electric heater 3
To make, cold nitrogen enters adsorption tower b2 after being dried through regeneration gas absorption tower 4, and the heat on absorption tower 2 is taken out of, then by blower fan 6
Pressurization, so circulation, until absorption tower, b2 temperature is down to required temperature.Cooling procedure, nitrogen can recycle, cyclic process
The nitrogen of middle loss, fed by regeneration gas admission line 10.
The present invention realizes absorption, regenerates and blow cold process, ensure in turn by setting two adsorption tower a1 and adsorption tower b2
The lasting progress of whole absorbing process.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (4)
- A kind of 1. organic solvent molecule sieve dehydration dealcoholysis regenerating unit, it is characterised in that：Including dehydration device, regeneration cycle device With waste liquid separator, one end of the regeneration cycle device is connected with dehydration device by pipeline, the regeneration cycle device The other end be connected with waste liquid separator by pipeline；The dehydration device includes adsorption tower a, adsorption tower b, feed pipe, discharge pipe and steam inlet pipeline, the absorption Tower a is set up in parallel with adsorption tower b, and the adsorption tower a, adsorption tower b bottom and feed pipe are fixedly connected, the suction Attached tower a, adsorption tower b upper end and steam inlet pipeline are fixedly connected, the adsorption tower a, adsorption tower b upper end also It is connected with discharge pipe.
- A kind of 2. organic solvent molecule sieve dehydration dealcoholysis regenerating unit according to claim 1, it is characterised in that：It is described again Raw EGR includes regeneration gas absorption tower, electric heater, blower fan, cooler and regeneration gas admission line, and the regeneration gas is entered One end of feed channel is fixedly connected with electric heater, and company is fixed in the other end and the blower fan of the regeneration gas admission line Connect, the electric heater is fixedly connected by pipeline and regeneration gas absorption tower, the other end on the regeneration gas absorption tower with Steam inlet pipeline is fixedly connected, and the cooler is fixed by the bottom of pipeline and absorption tower a, absorption tower b Connection.
- A kind of 3. organic solvent molecule sieve dehydration dealcoholysis regenerating unit according to claim 1, it is characterised in that：It is described useless Liquid separating apparatus includes knockout drum, emptying feed channel and oily waste water discharge line, and the upper end of the knockout drum is with dropping a hint Pipeline is fixedly connected, and bottom and the oily waste water discharge line of the knockout drum are fixedly connected.
- A kind of 4. organic solvent molecule sieve dehydration dealcoholysis regenerating unit according to claim 1, it is characterised in that：It is described cold But device is fixedly connected by pipeline and knockout drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636506.5A CN107384470A (en) | 2017-07-31 | 2017-07-31 | A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636506.5A CN107384470A (en) | 2017-07-31 | 2017-07-31 | A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107384470A true CN107384470A (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710636506.5A Pending CN107384470A (en) | 2017-07-31 | 2017-07-31 | A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432873A (en) * | 2018-12-29 | 2019-03-08 | 上海亿鼎电子系统集成有限公司 | The recyclable device and its methods and applications of solvent when a kind of regenerating molecular sieve |
| CN111905409A (en) * | 2020-08-18 | 2020-11-10 | 河北利仕化学科技有限公司 | Deep dehydration method for industrial organic solvent |
| CN111943915A (en) * | 2020-08-19 | 2020-11-17 | 上海立得催化剂有限公司 | Alcohol-containing tetrahydrofuran solution separation system suitable for polyolefin catalyst production enterprises and application thereof |
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| CN101012146A (en) * | 2007-02-12 | 2007-08-08 | 张华� | Method of separating and recovering methyl chloride from methyl chloride mixture gas |
| CN101343209A (en) * | 2008-08-11 | 2009-01-14 | 浙江新安化工集团股份有限公司 | Method for separating and recycling chloromethane with chloromethane mixture gas |
| CN105087048A (en) * | 2014-05-20 | 2015-11-25 | 中石化广州工程有限公司 | Molecular sieve dehydration method for heavy naphtha |
| CN207347518U (en) * | 2017-07-31 | 2018-05-11 | 森松（江苏）重工有限公司 | A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit |
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2017
- 2017-07-31 CN CN201710636506.5A patent/CN107384470A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012146A (en) * | 2007-02-12 | 2007-08-08 | 张华� | Method of separating and recovering methyl chloride from methyl chloride mixture gas |
| CN101343209A (en) * | 2008-08-11 | 2009-01-14 | 浙江新安化工集团股份有限公司 | Method for separating and recycling chloromethane with chloromethane mixture gas |
| CN105087048A (en) * | 2014-05-20 | 2015-11-25 | 中石化广州工程有限公司 | Molecular sieve dehydration method for heavy naphtha |
| CN207347518U (en) * | 2017-07-31 | 2018-05-11 | 森松（江苏）重工有限公司 | A kind of organic solvent molecule sieve dehydration dealcoholysis regenerating unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432873A (en) * | 2018-12-29 | 2019-03-08 | 上海亿鼎电子系统集成有限公司 | The recyclable device and its methods and applications of solvent when a kind of regenerating molecular sieve |
| CN111905409A (en) * | 2020-08-18 | 2020-11-10 | 河北利仕化学科技有限公司 | Deep dehydration method for industrial organic solvent |
| CN111905409B (en) * | 2020-08-18 | 2022-07-08 | 河北利仕化学科技有限公司 | Deep dehydration method for industrial organic solvent |
| CN111943915A (en) * | 2020-08-19 | 2020-11-17 | 上海立得催化剂有限公司 | Alcohol-containing tetrahydrofuran solution separation system suitable for polyolefin catalyst production enterprises and application thereof |
| CN111943915B (en) * | 2020-08-19 | 2024-03-29 | 上海立得催化剂有限公司 | Alcohol-containing tetrahydrofuran solution separation system suitable for polyolefin catalyst production enterprises and application thereof |
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Application publication date: 20171124 |