CN105920876A - Organic solvent refining device - Google Patents
Organic solvent refining device Download PDFInfo
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- CN105920876A CN105920876A CN201610473946.9A CN201610473946A CN105920876A CN 105920876 A CN105920876 A CN 105920876A CN 201610473946 A CN201610473946 A CN 201610473946A CN 105920876 A CN105920876 A CN 105920876A
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- molecular sieve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
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Abstract
The invention provides an organic solvent refining device, and relates to organic solvent processing equipment. The organic solvent refining device comprises a molecular sieve refining facility and an activated carbon desulfurizing facility, wherein the molecular sieve refining facility comprises two parallel molecular sieve refining devices (5) in a redundant way; the activated carbon desulfurizing facility comprises two parallel activated carbon desulfurizing devices (13) in the redundant way; the main equipment comprises the molecular sieve refining devices (5), a molecular sieve adsorbing agent (4), a nitrogen cutoff valve (9), the activated carbon desulfurizing devices (13), a molecular sieve desulfurizing agent (14), and auxiliary pipelines and valves. The organic solvent refining device has the advantages that the cyclic adsorbing and separation process is performed by desorbing nitrogen (8), the molecular sieve adsorbing agent (4) of the molecular sieve refining facility, and the molecular sieve desulfurizing agent (14) of the activated carbon desulfurizing facility, so that the impurities, such as water, carbon dioxide, hydrogen sulfide and sulfur dioxide, in the solvent are removed; the quality of solvent raw material and product is improved, and the guarantee is provided for the production and processing of high-purity solvent products.
Description
[technical field]
The present invention relates to a kind of organic solvent process equipment, especially relate to a kind of organic solvent refining plant.
[background technology]
Known, conventional organic solvent in medicine, adjuvant and drug production process, these solvents are as used aborning, it is necessary to prove its reasonability.Some solvents the most always contain impurity, when carrying out chemical experiment and carrying out some special chemical reactions, it is necessary to removed by impurity, impurity is reduced to the limit not hindered application target.
The operation removing impurity is referred to as the refined of solvent.First, the refined of solvent to be nearly all dehydrated, in solvent water be mixed into often caused by solvent manufacture, process or bring into as by-product during due to side reaction, secondly during preserving, moisture absorption also can be mixed into moisture.The a series of chemistry experiment operatings such as the existence of water is not only to many chemical reactions, it is simply that to recrystallization, extract, washing all can bring bad impact to affect, such as anti-oxidative stability and the stability etc. of color.Therefore solvent dehydration, to be dried be important and the operating procedure that often carries out.Dewatering mainly has: 1. desiccant dehydration method；2. the membrane separating method of seepage slope；3. special extract rectification method, including extracting rectifying, azeotropic distillation or azeotropic distillation etc..Secondly, it is simply that desulfurization, on the one hand the sulfur of organic solvent can affect chemical reaction, causes catalysqt deactivation, inefficacy, on the other hand produces abnormal flavour, affects the stability of product, even pollute environment in fine chemistry industry and intermetallic composite coating.Sulfur method has wet method and the big class of dry method two, and the main method of wet desulphurization has: chemical absorption method；Physical Absorption method；Chemical-physical absorption process；Wet oxidation process.The main method of dry desulfurization has iron oxide process, activated carbon method, molecular sieve, membrane separation process etc..
[summary of the invention]
In order to overcome the deficiency in background technology, the open a kind of organic solvent refining plant of the present invention, the present invention improves solvent materials, product quality, provides guarantee for producing, process high-purity solvent product.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of organic solvent refining plant, refines facility and active carbon desulfurization facility including molecular sieve, and it is two parallel installations of molecular sieve treater that molecular sieve refines facility, the using and the reserved；Active carbon desulfurization facility is two parallel installations of active carbon desulfurization device, the using and the reserved；Molecular sieve refines facility and includes molecular sieve treater outlet valve, molecular sieve treater blowoff valve, molecular sieve discharge port, adsorbent of molecular sieve, molecular sieve treater, molecular sieve treater inlet valve, Materials Solvents, nitrogen stop valve；Active carbon desulfurization facility includes active carbon desulfurization device outlet valve, active carbon desulfurization device inlet valve, activated carbon desulphurization agent charge door, active carbon desulfurization device, activated carbon desulphurization agent, activated carbon desulphurization agent discharge port, active carbon desulfurization device blowoff valve, nitrogen stop valve；Materials Solvents pipeline is connected with two molecular sieve treater inlet valve entrances respectively；Two molecular sieve treater outlet valve outlets are connected by pipeline and two active carbon desulfurization device entrances, and two active carbon desulfurization device outlets are connected with refining solvent by pipeline；Desorption nitrogen pipeline is connected with two nitrogen stop valve entrances respectively, and molecular sieve refines the nitrogen stop valve outlet of facility and is connected with the pipeline of molecular sieve treater entrance with the outlet of molecular sieve treater inlet valve；The nitrogen stop valve outlet of active carbon desulfurization facility is connected with the pipeline of active carbon desulfurization device entrance with the outlet of active carbon desulfurization device inlet valve.
Described organic solvent refining plant, molecular sieve refines the molecular sieve treater inlet valve outlet of facility and is connected with molecular sieve treater entrance, and the outlet of molecular sieve treater is connected with molecular sieve treater outlet valve entrance；Adsorbent of molecular sieve is added by molecular sieve treater entrance, draws off from molecular sieve discharge port.
Described organic solvent refining plant, the active carbon desulfurization device inlet valve outlet of active carbon desulfurization facility is connected with active carbon desulfurization device entrance, and the outlet of active carbon desulfurization device is connected with active carbon desulfurization device outlet valve entrance.
Described organic solvent refining plant, adsorbent of molecular sieve is spherical 4A adsorbent of molecular sieve, or cylindricality 4A adsorbent of molecular sieve.
Described organic solvent refining plant, activated carbon desulphurization agent is spherical alkali steeping activated carbon desulphurization agent, or cylindricality alkali steeping activated carbon desulphurization agent.
Described organic solvent refining plant, desorption nitrogen is entered by nitrogen stop valve needs desorption, the molecular sieve treater of regeneration, and the desorption nitrogen containing impurity is discharged to refuse after-treatment system by molecular sieve treater blowoff valve.
Described organic solvent refining plant, after the activated carbon desulphurization agent of active carbon desulfurization device lost efficacy, desorption nitrogen is entered by nitrogen stop valve needs the active carbon desulfurization device of displacement, carries out nitrogen displacement, replaces qualified rear activated carbon desulphurization agent and draw off from activated carbon desulphurization agent discharge port；Fresh activity charcoal desulfurizing agent adds from activated carbon desulphurization agent charge door.
Owing to using technical scheme as above, there is advantages that
Organic solvent refining plant of the present invention, 1, to refine facility be two parallel installations of molecular sieve treater to molecular sieve, the using and the reserved；Active carbon desulfurization facility is two parallel installations of active carbon desulfurization device, the using and the reserved；Guarantee organic solvent refining plant safety, long period even running.2, desorption nitrogen can be desorbed adsorbing saturated molecular sieve treater, regenerate；Activated carbon desulphurization agent can also be dried process.3, the 4A adsorbent of molecular sieve of molecular sieve treater can be with impurity such as the moisture in adsorption solvent, carbon dioxide, sulfur dioxide, hydrogen sulfide.4, the activated carbon desulphurization agent of active carbon desulfurization device can adsorb further, separate the organic solvent processed from molecular sieve treater, it is ensured that organic solvent reaches quality index.
[accompanying drawing explanation]
Fig. 1 is the process chart of organic solvent refining plant of the present invention；
In figure: 1, molecular sieve treater outlet valve；2, molecular sieve treater blowoff valve；3, molecular sieve discharge port；4, adsorbent of molecular sieve；5, molecular sieve treater；6, molecular sieve treater inlet valve；7, Materials Solvents；8, desorption nitrogen；9, nitrogen stop valve；10, active carbon desulfurization device outlet valve；11, active carbon desulfurization device inlet valve；12, activated carbon desulphurization agent charge door；13, active carbon desulfurization device；14, activated carbon desulphurization agent；15, activated carbon desulphurization agent discharge port；16, active carbon desulfurization device blowoff valve；17, refining solvent.
[detailed description of the invention]
Can be explained in more detail the present invention by the following examples, the open purpose of the present invention is intended to all changes and improvements in the protection scope of the invention, the invention is not limited in the following examples；
In conjunction with the organic solvent refining plant described in accompanying drawing 1, refine facility and active carbon desulfurization facility including molecular sieve, wherein: it is two parallel installations of molecular sieve treater 5 that molecular sieve refines facility, the using and the reserved；Active carbon desulfurization facility is two parallel installations of active carbon desulfurization device 13, the using and the reserved；Molecular sieve refines facility and includes molecular sieve treater outlet valve 1, molecular sieve treater blowoff valve 2, molecular sieve discharge port 3, adsorbent of molecular sieve 4, molecular sieve treater 5, molecular sieve treater inlet valve 6, Materials Solvents 7, nitrogen stop valve 9；Active carbon desulfurization facility includes active carbon desulfurization device outlet valve 10, active carbon desulfurization device inlet valve 11
, activated carbon desulphurization agent charge door 12, active carbon desulfurization device 13, activated carbon desulphurization agent 14, activated carbon desulphurization agent discharge port 15, active carbon desulfurization device blowoff valve 16, nitrogen stop valve 9；Materials Solvents 7 pipeline is connected with two molecular sieve treater inlet valve 6 entrances respectively；Two molecular sieve treater outlet valves 1 are exported and are connected by pipeline and two active carbon desulfurization device 13 entrances, two active carbon desulfurization devices 13
Outlet is connected with refining solvent 17 by pipeline；Desorption nitrogen 8 pipeline is connected with two nitrogen stop valve 9 entrances respectively, and molecular sieve refines nitrogen stop valve 9 outlet of facility and is connected with the pipeline of molecular sieve treater 5 entrance with the outlet of molecular sieve treater inlet valve 6；Nitrogen stop valve 9 outlet of active carbon desulfurization facility is connected with the pipeline of active carbon desulfurization device 13 entrance with the outlet of active carbon desulfurization device inlet valve 11.
Molecular sieve refines molecular sieve treater inlet valve 6 outlet of facility and is connected with molecular sieve treater 5 entrance, and molecular sieve treater 5 outlet is connected with molecular sieve treater outlet valve 1 entrance；Adsorbent of molecular sieve 4 is added by molecular sieve treater 5 entrance, draws off from molecular sieve discharge port 3；Active carbon desulfurization device inlet valve 11 outlet of described active carbon desulfurization facility is connected with active carbon desulfurization device 13 entrance, and active carbon desulfurization device 13 outlet is connected with active carbon desulfurization device outlet valve 10 entrance；Described adsorbent of molecular sieve 4 is spherical 4A adsorbent of molecular sieve, or cylindricality 4A adsorbent of molecular sieve；Described activated carbon desulphurization agent 14 is spherical alkali steeping activated carbon desulphurization agent, or cylindricality alkali steeping activated carbon desulphurization agent；Described desorption nitrogen 8 is entered by nitrogen stop valve 9 needs desorption, the molecular sieve treater 5 of regeneration, and the desorption nitrogen 8 containing impurity is discharged to refuse after-treatment system by molecular sieve treater blowoff valve 2；After the activated carbon desulphurization agent 14 of described active carbon desulfurization device 13 lost efficacy, desorption nitrogen 8 needs the active carbon desulfurization device 13 of displacement by nitrogen stop valve 9 entrance, carries out nitrogen displacement, replaces qualified rear activated carbon desulphurization agent 14 from activated carbon desulphurization agent discharge port 15
Draw off；Fresh activity charcoal desulfurizing agent 14 adds from activated carbon desulphurization agent charge door 12.
Part not in the detailed description of the invention is prior art.
Claims (7)
1. an organic solvent refining plant, refines facility and active carbon desulfurization facility including molecular sieve, it is characterized in that: it is the parallel installation of two molecular sieve treaters (5) that molecular sieve refines facility, the using and the reserved；Active carbon desulfurization facility is the parallel installation of two active carbon desulfurization devices (13), the using and the reserved；Molecular sieve refines facility and includes molecular sieve treater outlet valve (1), molecular sieve treater blowoff valve (2), molecular sieve discharge port (3), adsorbent of molecular sieve (4), molecular sieve treater (5), molecular sieve treater inlet valve (6), Materials Solvents (7), nitrogen stop valve (9)；Active carbon desulfurization facility includes active carbon desulfurization device outlet valve (10), active carbon desulfurization device inlet valve (11), activated carbon desulphurization agent charge door (12), active carbon desulfurization device (13), activated carbon desulphurization agent (14), activated carbon desulphurization agent discharge port (15), active carbon desulfurization device blowoff valve (16), nitrogen stop valve (9)；Materials Solvents (7) pipeline is connected with two molecular sieve treater inlet valve (6) entrances respectively；Two molecular sieve treater outlet valve (1) outlets are connected by pipeline and two active carbon desulfurization device (13) entrances, and two active carbon desulfurization device (13) outlets are connected with refining solvent (17) by pipeline；Desorption nitrogen (8) pipeline is connected with two nitrogen stop valve (9) entrances respectively, and molecular sieve refines nitrogen stop valve (9) outlet of facility and is connected with the pipeline of molecular sieve treater (5) entrance with molecular sieve treater inlet valve (6) outlet；Nitrogen stop valve (9) outlet of active carbon desulfurization facility is connected with the pipeline of active carbon desulfurization device (13) entrance with active carbon desulfurization device inlet valve (11) outlet.
Organic solvent refining plant the most according to claim 1, it is characterized in that: molecular sieve refines molecular sieve treater inlet valve (6) outlet of facility and is connected with molecular sieve treater (5) entrance, and molecular sieve treater (5) outlet is connected with molecular sieve treater outlet valve (1) entrance；Adsorbent of molecular sieve (4) is added by molecular sieve treater (5) entrance, draws off from molecular sieve discharge port (3).
Organic solvent refining plant the most according to claim 1, it is characterized in that: active carbon desulfurization device inlet valve (11) outlet of active carbon desulfurization facility is connected with active carbon desulfurization device (13) entrance, and active carbon desulfurization device (13) outlet is connected with active carbon desulfurization device outlet valve (10) entrance.
Organic solvent refining plant the most according to claim 1, is characterized in that: adsorbent of molecular sieve (4) is spherical 4A adsorbent of molecular sieve, or cylindricality 4A adsorbent of molecular sieve.
Organic solvent refining plant the most according to claim 1, is characterized in that: activated carbon desulphurization agent (14) is spherical alkali steeping activated carbon desulphurization agent, or cylindricality alkali steeping activated carbon desulphurization agent.
Organic solvent refining plant the most according to claim 1, it is characterized in that: desorption nitrogen (8) is entered by nitrogen stop valve (9) needs desorption, the molecular sieve treater (5) of regeneration, and the desorption nitrogen (8) containing impurity is discharged to refuse after-treatment system by molecular sieve treater blowoff valve (2).
Organic solvent refining plant the most according to claim 1, it is characterized in that: after the activated carbon desulphurization agent (14) of active carbon desulfurization device (13) lost efficacy, desorption nitrogen (8) is entered by nitrogen stop valve (9) needs the active carbon desulfurization device (13) of displacement, carry out nitrogen displacement, replace qualified rear activated carbon desulphurization agent (14) and draw off from activated carbon desulphurization agent discharge port (15)；Fresh activity charcoal desulfurizing agent (14) adds from activated carbon desulphurization agent charge door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473946.9A CN105920876A (en) | 2016-06-27 | 2016-06-27 | Organic solvent refining device |
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| CN201610473946.9A CN105920876A (en) | 2016-06-27 | 2016-06-27 | Organic solvent refining device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675625A (en) * | 2017-01-23 | 2017-05-17 | 洛阳和梦科技有限公司 | Fischer-Tropsch process light distillate oil refining unit |
| CN106753546A (en) * | 2017-01-23 | 2017-05-31 | 洛阳和梦科技有限公司 | F- T synthesis light fraction oil refining new technology |
| CN112457892A (en) * | 2020-11-30 | 2021-03-09 | 南京泽众环保科技有限公司 | Coal gas desulfurization system and process method combining fixed bed and moving bed |
| CN113813756A (en) * | 2021-10-20 | 2021-12-21 | 国家能源集团重庆恒泰发电有限公司 | Flue gas purification system of coal-fired unit |
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| US20030175401A1 (en) * | 2002-02-05 | 2003-09-18 | Kabushiki Kaisha Toshiba | Method of treating fats and oils |
| CN102775267A (en) * | 2012-08-21 | 2012-11-14 | 江苏智道工程技术有限公司 | Method and system for recycling cyclohexane solvent in SBS (styrene-butadiene-styrene) production |
| CN103614178A (en) * | 2013-10-29 | 2014-03-05 | 中国石油化工股份有限公司 | Deep desulfurization technology of refinery liquefied petroleum gas |
| CN205815181U (en) * | 2016-06-27 | 2016-12-21 | 河南中托力合化学有限公司 | A kind of organic solvent refining plant |
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2016
- 2016-06-27 CN CN201610473946.9A patent/CN105920876A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030175401A1 (en) * | 2002-02-05 | 2003-09-18 | Kabushiki Kaisha Toshiba | Method of treating fats and oils |
| CN102775267A (en) * | 2012-08-21 | 2012-11-14 | 江苏智道工程技术有限公司 | Method and system for recycling cyclohexane solvent in SBS (styrene-butadiene-styrene) production |
| CN103614178A (en) * | 2013-10-29 | 2014-03-05 | 中国石油化工股份有限公司 | Deep desulfurization technology of refinery liquefied petroleum gas |
| CN205815181U (en) * | 2016-06-27 | 2016-12-21 | 河南中托力合化学有限公司 | A kind of organic solvent refining plant |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675625A (en) * | 2017-01-23 | 2017-05-17 | 洛阳和梦科技有限公司 | Fischer-Tropsch process light distillate oil refining unit |
| CN106753546A (en) * | 2017-01-23 | 2017-05-31 | 洛阳和梦科技有限公司 | F- T synthesis light fraction oil refining new technology |
| CN112457892A (en) * | 2020-11-30 | 2021-03-09 | 南京泽众环保科技有限公司 | Coal gas desulfurization system and process method combining fixed bed and moving bed |
| CN113813756A (en) * | 2021-10-20 | 2021-12-21 | 国家能源集团重庆恒泰发电有限公司 | Flue gas purification system of coal-fired unit |
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