CN102533308A - Device for recovering ionic liquid catalyst used for transesterification of vegetable fat - Google Patents
Device for recovering ionic liquid catalyst used for transesterification of vegetable fat Download PDFInfo
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- CN102533308A CN102533308A CN2012100332741A CN201210033274A CN102533308A CN 102533308 A CN102533308 A CN 102533308A CN 2012100332741 A CN2012100332741 A CN 2012100332741A CN 201210033274 A CN201210033274 A CN 201210033274A CN 102533308 A CN102533308 A CN 102533308A
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- cylinder
- cylindrical shell
- settlement plate
- ionic liquid
- transesterification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
Abstract
The invention discloses a device for recovering an ionic liquid catalyst used for transesterification of vegetable fat. The device comprises a cylinder with a cooling jacket and a cone-shaped end socket connected to the bottom of the cylinder, wherein the top of the cylinder is provided with a top cover which is provided with an exhaust opening; the upper end part of the side wall of the cylinder is provided with a material inlet; a sedimentation plate is arranged in the center of the interior of the cylinder; a gap is reserved between the edge of the sedimentation plate and the inner wall of the cylinder; the cone-shaped end socket is a folded edge end socket, and a material outlet is arranged at the bottom of the end socket; and the upper and lower end parts of the cooling jacket are respectively provided with a cooling water outlet and a cooling water inlet. The device for recovering the catalyst has the advantages of simple structure, rapid ionic liquid catalyst recovery speed and high ionic liquid catalyst recovery rate.
Description
Technical field
The present invention relates to a kind of device of catalyst recovery of ionic liquid-catalyzed Vegetable oil lipoprotein transesterification, particularly relate to the device of catalyst recovery of the transesterification of a kind of distributed Vegetable oil lipoprotein transesterification production biofuel and plant base lubricant base.
Background technology
Esterification is a reaction type common in the organic chemical reactions, can synthesize a series of ester compounds and environment friendly biological fuel through this type reaction, is widely used in aspects such as fine chemistry industry and fossil energy.But the transesterification production biofuel of Vegetable oil lipoprotein and esters syntholube base oil.Biofuel is a kind of character liquid fuel close with diesel oil that processes as raw material with biomass resource.China's Vegetable oil lipoprotein raw material ratio is disperseed, and develops the problem that there are the raw material supply difficulty in extensive complexes production biofuel or plant base lubricant base.Under the situation that a large amount of supplies of Vegetable oil lipoprotein raw material have difficulties, exploitation production-scale distributed biofuel of appropriateness and lubricant base production equipment are a kind of practicable selections.Small-sized vegetables oil transesterification makeup is put wide application development space is arranged, and also for China contributes, has realistic meaning and higher market popularization value on the total amount that substitutes fossil energy.Small-sized distributed transesterification metallization processes is compared with device with large-scale production technique with device, and technical process can not be oversize, needs effective compression process step, realizes that technology is integrated, improves distributed transesterification process efficiency.In large-scale transesterification production technique, the separating step of catalyzer and product and raw material is many.In distributed Vegetable oil lipoprotein transesterification production biofuel and the plant base lubricant base technology, used ionic-liquid catalyst can be realized " homogeneous catalysis, out-phase are separated ", helps the recycling of catalyzer.In the present distributed Vegetable oil lipoprotein transesterification metallization processes, the recovery of catalyzer is that the raw glycerine that contains catalyzer is statically placed in the container of band conical head, treats to reclaim after catalyzer is separated out naturally, and it is low that this catalyst recovery yield just occurs, the problem that recovery time is long.
Summary of the invention
The present invention is in order to solve the problems of the technologies described above; The device of catalyst recovery of the transesterification of a kind of distributed Vegetable oil lipoprotein transesterification production biofuel and plant base lubricant base is provided; This device is to propose on ionic liquid and the ionic liquid-catalyzed transesterification characteristic basis; Thereby shortened the integrated artistic route of biofuel, can effectively improve catalyst recovery yield, reduced process cost.
The present invention realizes through following technical scheme:
A kind of ionic liquid-catalyzed Vegetable oil lipoprotein transesterification catalyst recovery devices; Comprise the cylindrical shell of being with cooling jacket and the conical head that is connected the cylindrical shell bottom; Said cylindrical shell top is provided with the top cover of band venting port; The cylinder lateral wall upper end is provided with material inlet, and the center of barrel is provided with settlement plate, leaves the gap between settlement plate edge and the cylinder inboard wall; Said conical head is a flanged head, and the end socket bottom is provided with material outlet; Said cooling jacket upper and lower end portion is provided with respectively that water coolant goes out, import.
Said settlement plate is a plectane, and diameter is 1/2～2/3 of a cylinder internal diameter.
Said settlement plate comprises that diameter is the plectane of cylinder internal diameter 1/2～2/3 and the outer of the downward-sloping extension of plectane periphery, and the gap between outer and the cylinder inboard wall is 1/12～1/8 of a cylinder internal diameter.
The quantity of said settlement plate is 3～7, spaced set between the settlement plate, and be fixed in the top cover of cylindrical shell.
Said conical head is 30 °～45 ° a flanged head, and the aspect ratio of end socket and cylindrical shell is 2/3～1/1.
Said cylinder lateral wall bottom is provided with the recycle stock outlet.
The present invention compared with prior art has following advantage:
1) catalyst recovery devices of the present invention is simple in structure.Whole catalyst recovery devices does not have moving parts or unmanageable component, and the result is simple, processing and easy for installation.
2) settlement plate has 3～7, and the polylith settlement plate is equivalent to catalyst recovery devices is strengthened to multistage, is the settled measure of a kind of reinforcement, can effectively improve the space availability ratio of catalyst recovery devices.
3) ionic-liquid catalyst recovery speed is fast.Through adopting cooling jacket cooling raw glycerine and ionic-liquid catalyst mixture, can reduce system temperature quickly, prevent that glycerine and ionic liquid from forming the flocculence system, reduces catalyst recovery speed.
4) the ionic-liquid catalyst recovery is high.Conical head through adopting little angle, settlement plate is set and bigger seal head cylinder body length ratio can effectively improve ionic-liquid catalyst settling velocity and efficient, and interface stability after the sedimentation, be convenient to ionic-liquid catalyst and reclaim.
5) the material circulation port is to reclaim for the repeatedly sedimentation that makes things convenient for catalyzer.High because of the ionic-liquid catalyst price comparison, for improving catalyst recovery yield, can carry out repeatedly sedimentation to material.The recycle stock mouth is located at the cylinder lateral wall bottom and can be avoided the material circulation time to influence the settling process of container conical lower portion.
Description of drawings
Fig. 1 is the structural representation of catalyst recovery devices of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail, but embodiment of the present invention is not limited thereto, the processing parameter for not indicating especially can carry out with reference to routine techniques.
As shown in Figure 1; A kind of ionic liquid-catalyzed Vegetable oil lipoprotein transesterification catalyst recovery devices; Comprise the cylindrical shell 4 of being with cooling jacket 3 and the conical head 7 that is connected cylindrical shell 4 bottoms; Said cylindrical shell 4 tops are provided with the top cover of band venting port 1, and the cylinder lateral wall upper end is provided with material inlet 10, and the cylinder lateral wall bottom is provided with recycle stock outlet 6.The inner centers of cylindrical shell 4 are provided with 3 settlement plates 5, spaced set between the settlement plate, and be fixed in the top cover of cylindrical shell 4; Settlement plate 5 comprises the outer of plectane and the downward-sloping extension of plectane periphery, and the plectane diameter is 1/2 of a cylinder internal diameter, leaves the gap between outer and the cylinder inboard wall, and this gap is 1/8 of a cylinder internal diameter.Said conical head 7 is 30 ° a flanged head, and the aspect ratio of end socket and cylindrical shell is 2/3, and the end socket bottom is provided with material outlet 8; Said cooling jacket upper and lower end portion is provided with respectively that water coolant goes out, import 2,9.
With rapeseed oil and methyl alcohol is raw material, pyridine trifluoromethyl sulfonic acid ionic-liquid catalyst.Raw material was 4 hours 70 ℃ of following reaction times; After the reaction mass layering; To contain ionic-liquid catalyst and unreacted completely the raw glycerine layer of methyl alcohol get into catalyst recovery devices by material inlet 10, the raw glycerine temperature of charge is 41 ℃, in catalyst recovery devices through chuck cooling 30 minutes; The raw glycerine temperature of charge is near room temperature; Pyridine trifluoromethyl sulfonic acid ionic-liquid catalyst falls to the catalyst recovery devices bottom basically, takes out from material outlet to be further purified, and the recovery is 94.5%.For strengthening ion liquid removal process, the material that need carry out catalyst recovery in the device is forced cooling, be about to water coolant and feed cooling jacket 3 from entrance of cooling water 9, discharge from cooling water outlet 2 afterwards.Like need separating for several times catalyzer, material is drawn from recycle stock outlet 6, gets into tripping device from material inlet 10 again.
As shown in Figure 1; A kind of ionic liquid-catalyzed Vegetable oil lipoprotein transesterification catalyst recovery devices; Comprise the cylindrical shell 4 of being with cooling jacket 3 and the conical head 7 that is connected cylindrical shell 4 bottoms; Said cylindrical shell 4 tops are provided with the top cover of band venting port 1, and the cylinder lateral wall upper end is provided with material inlet 10, and the cylinder lateral wall bottom is provided with the recycle stock outlet.The inner centers of cylindrical shell 4 are provided with 7 settlement plates 5, spaced set between the settlement plate, and be fixed in the top cover of cylindrical shell 4; Settlement plate 5 comprises the outer of plectane and the downward-sloping extension of plectane periphery, and the plectane diameter is 2/3 of a cylinder internal diameter, leaves the gap between outer and the cylinder inboard wall, and this gap is 1/12 of a cylinder internal diameter.Said conical head 7 is 45 ° a flanged head, and the aspect ratio of end socket and cylindrical shell is 1/1, and the end socket bottom is provided with material outlet 8; Said cooling jacket upper and lower end portion is provided with respectively that water coolant goes out, import 2,9.
With rapeseed oil and methyl alcohol is raw material, pyridine trifluoromethyl sulfonic acid ionic-liquid catalyst.Raw material is 4 hours 70 ℃ of following reaction times, after the reaction mass layering, will contain ionic-liquid catalyst and unreacted completely the raw glycerine layer of methyl alcohol get into catalyst recovery devices by material inlet 10; The raw glycerine temperature of charge is 46 ℃; Through chuck cooling 30 minutes, the raw glycerine temperature of charge was near room temperature in catalyst recovery devices, and the basic sedimentation of pyridine trifluoromethyl sulfonic acid ionic-liquid catalyst is bottom catalyst recovery devices; Taking-up is further purified, and the recovery is 95.2%.
The difference of present embodiment and embodiment 1 is:
Said settlement plate 5 is a plectane, and diameter is 3/5 of a cylinder internal diameter.The recovery of catalyzer is 93.6%.
Claims (6)
1. ionic liquid-catalyzed Vegetable oil lipoprotein transesterification catalyst recovery devices; It is characterized in that; This device comprises the cylindrical shell of being with cooling jacket and the conical head that is connected the cylindrical shell bottom, and said cylindrical shell top is provided with the top cover of band venting port, and the cylinder lateral wall upper end is provided with material inlet; The center of barrel is provided with settlement plate, leaves the gap between settlement plate edge and the cylinder inboard wall; Said conical head is a flanged head, and the end socket bottom is provided with material outlet; Said cooling jacket upper and lower end portion is provided with respectively that water coolant goes out, import.
2. retrieving arrangement according to claim 1 is characterized in that, said settlement plate is a plectane, and diameter is 1/2～2/3 of a cylinder internal diameter.
3. retrieving arrangement according to claim 1 is characterized in that, said settlement plate comprises that diameter is the plectane of cylinder internal diameter 1/2～2/3 and the outer of the downward-sloping extension of plectane periphery, and the gap between outer and the cylinder inboard wall is 1/12～1/8 of a cylinder internal diameter.
4. according to claim 1 or 2 or 3 described retrieving arrangements, it is characterized in that the quantity of said settlement plate is 3～7, spaced set between the settlement plate, and be fixed in the top cover of cylindrical shell.
5. retrieving arrangement according to claim 4 is characterized in that, said conical head is 30 °～45 ° a flanged head, and the aspect ratio of end socket and cylindrical shell is 2/3～1/1.
6. retrieving arrangement according to claim 5 is characterized in that, said cylinder lateral wall bottom is provided with the recycle stock outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100332741A CN102533308B (en) | 2012-02-14 | 2012-02-14 | Device for recovering ionic liquid catalyst used for transesterification of vegetable fat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100332741A CN102533308B (en) | 2012-02-14 | 2012-02-14 | Device for recovering ionic liquid catalyst used for transesterification of vegetable fat |
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| CN102533308A true CN102533308A (en) | 2012-07-04 |
| CN102533308B CN102533308B (en) | 2013-12-11 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007027669A1 (en) * | 2005-08-29 | 2007-03-08 | Cps Biofuels, Inc. | Improved biodiesel fuel, additives, and lubbricants |
| WO2007033425A1 (en) * | 2005-09-23 | 2007-03-29 | Cassa Pty Ltd | Mobile recycling and bio-fuel production system for animal waste |
| KR100746996B1 (en) * | 2006-09-06 | 2007-08-08 | 인하대학교 산학협력단 | Method for production of biodiesel and glycerol using ionic liquids |
| CN101402873A (en) * | 2008-11-12 | 2009-04-08 | 南昌大学 | Method for producing light biological diesel oil with seed oil of camphor |
| JP2010264355A (en) * | 2009-05-13 | 2010-11-25 | Eishin Techno Kk | Floating oil recovery device |
| CN102031202A (en) * | 2010-12-08 | 2011-04-27 | 中国科学院西双版纳热带植物园 | Method for preparing biodiesel under catalysis of ionic liquid |
| CN202430173U (en) * | 2012-02-14 | 2012-09-12 | 华南理工大学 | Device for recovering catalyst for ionic liquid catalyzed vegetable fat transesterification reaction |
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2012
- 2012-02-14 CN CN2012100332741A patent/CN102533308B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007027669A1 (en) * | 2005-08-29 | 2007-03-08 | Cps Biofuels, Inc. | Improved biodiesel fuel, additives, and lubbricants |
| WO2007033425A1 (en) * | 2005-09-23 | 2007-03-29 | Cassa Pty Ltd | Mobile recycling and bio-fuel production system for animal waste |
| KR100746996B1 (en) * | 2006-09-06 | 2007-08-08 | 인하대학교 산학협력단 | Method for production of biodiesel and glycerol using ionic liquids |
| CN101402873A (en) * | 2008-11-12 | 2009-04-08 | 南昌大学 | Method for producing light biological diesel oil with seed oil of camphor |
| JP2010264355A (en) * | 2009-05-13 | 2010-11-25 | Eishin Techno Kk | Floating oil recovery device |
| CN102031202A (en) * | 2010-12-08 | 2011-04-27 | 中国科学院西双版纳热带植物园 | Method for preparing biodiesel under catalysis of ionic liquid |
| CN202430173U (en) * | 2012-02-14 | 2012-09-12 | 华南理工大学 | Device for recovering catalyst for ionic liquid catalyzed vegetable fat transesterification reaction |
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