CN203855560U - Methanol recovery device for biodiesel production - Google Patents
Methanol recovery device for biodiesel production Download PDFInfo
- Publication number
- CN203855560U CN203855560U CN201420270157.1U CN201420270157U CN203855560U CN 203855560 U CN203855560 U CN 203855560U CN 201420270157 U CN201420270157 U CN 201420270157U CN 203855560 U CN203855560 U CN 203855560U
- Authority
- CN
- China
- Prior art keywords
- methanol
- methyl alcohol
- distillation tower
- recovery device
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a methanol recovery device for biodiesel production, belonging to the technical field of biodiesel preparation. The methanol recovery device comprises a reaction kettle, a methanol distillation tower, a gas-liquid separator, a vacuum pump and a reboiler, wherein a methanol steam outlet is formed at the upper part of the reaction kettle; the pipeline going out from the methanol steam outlet is divided into two branches; one of the two branches is sequentially connected in series with the gas-liquid separator and the vacuum pump; an outlet of the vacuum pump is connected with the methanol distillation tower through a pipeline; the other branch is directly connected with the methanol distillation tower; and the methanol distillation tower also forms a circulating loop together with the reboiler. According to the device disclosed by the utility model, two ways are provided for methanol to enter the methanol distillation tower in the reaction kettle; the methanol steam can directly enter the distillation tower for distillation, the energy consumption of the whole recovery process is greatly reduced, and the production cost is saved for the enterprise.
Description
Technical field
The utility model belongs to technical field of biodiesel preparation, more particularly, relates to a kind of production biofuel methanol recovery device.
Background technology
The lipid acid mono alkyl ester of biofuel for for example, being made through transesterification reaction by vegetable and animals oils and alcohol (methyl alcohol or ethanol) is a kind of eco-friendly renewable energy source.Because the price advantage of methyl alcohol, biofuel is generally fatty acid methyl ester (FAME).
At present, biofuel enterprise generally adopts base-catalyzed method biodiesel synthesis, requires the free fatty acid content of stock oil to be less than 1%.Yet the waste oil free fatty acid content generally using is high, sewer oil often reaches 50%, and free fatty acids needs and methyl alcohol reaction reduces acid number, then by base-catalyzed transesterification two step synthesis biofuel.But esterification process is a reversible reaction, need to add excessive methanol.The reaction of follow-up base-catalyzed transesterification also needs to add excessive methanol, methyl alcohol normally required theoretical amount 2-3 doubly.The sewer oil of take containing free fatty acids 50% is example, and it is the more than 10 times of theoretical molar number that pre-esterification and transesterification reaction add methyl alcohol, so just has the methyl alcohol that surpasses 9 times of mole numbers to need recovery.
Production of biodiesel adopts distil process purification methyl alcohol at present, concrete purification process is: by the liquid methanol heating vaporization of reclaiming from reactor, by vacuum pump, through cylinder, import methanol steam into condenser, methanol steam enters methanol liquid storage tank after condenser condenses is liquid again, methanol liquid in storage tank is carried out to water content detection, if it is defective that water content detects, then methanol liquid is pumped into distillation tower distillation.This process need first heat the condensation liquefaction again of vaporizing by methyl alcohol, very power consumption.As above analyzing, in order to guarantee the effect of esterification, need to add excessive methanol, the recovery energy consumption issues of methyl alcohol has increased the production cost of enterprise undoubtedly, needs a rational solution.
Through retrieval, about the problem of Methanol Recovery power consumption, existing relevant solution is open.As Chinese Patent Application No. 201210027010.5, the applying date is on February 8th, 2012, and invention and created name is: methanol recovery equipment in a kind of production of biodiesel, this application case comprises retrieving arrangement and reaction unit, described retrieving arrangement comprises a receiving end and an output terminal, described reaction unit comprises some reactors, described reactor upper end is equipped with a vacuum breaker, each vacuum breaker is communicated with described receiving end by same methanol steam pipe, described reactor lower end is also equipped with material feeding tube, fresh feed pump and methyl alcohol transfer lime, described fresh feed pump one end is communicated with described reactor, the other end is communicated with described material feeding tube and described methyl alcohol transfer lime, described each methyl alcohol transfer lime is communicated with described output terminal by same liquid methanol pipe.
China Patent No. ZL201120115949.8 and for example, Granted publication day is on November 2nd, 2011, invention and created name is: a kind of device of recovering excessive methyl alcohol in biodiesel production by low energy consumption; This application case comprises pre-esterification device, transesterification device and membrane sepn methanol recovery device three parts.Pre-esterification device primary device comprises: the fixed-bed reactor of solid acid catalyst are housed, the continuous phase splitter of separation of methanol and grease.Transesterification device primary device comprises: the continuous phase splitter of plug flow reactor and separated raw glycerine and coarse biodiesel.Membrane sepn methanol recovery device comprises infiltration vaporization membrane module, also comprise the methanol steam condensation receiving trap being formed by condenser and receiving tank being communicated with infiltration vaporization membrane module, and the condensation receiving trap that sees through liquid being formed by penetrating fluid condenser system, water receiving tank, surge tank and vacuum pump.Above-mentioned application case has all reached the effect that methyl alcohol less energy-consumption is reclaimed to a certain extent, but above-mentioned application case complex structure, laid down cost is high, still needs further improvement.
Summary of the invention
1. the technical problem that utility model will solve
The purpose of this utility model is to overcome existing methanol recovery device and reclaims the methyl alcohol high deficiency that consumes energy, a kind of production biofuel methanol recovery device is provided, the utility model provides 2 kinds of paths for methyl alcohol in reactor enters methyl alcohol distillation tower, methyl alcohol to be recycled is without through condensation, the heating evaporation process of condensation again, methanol steam can directly enter distillation tower and distill, whole removal process power consumption greatly reduces, for enterprise has saved production cost.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of production biofuel methanol recovery device of the present utility model, comprise reactor, methyl alcohol distillation tower, gas-liquid separator, vacuum pump and reboiler, the top of described reactor offers methanol steam outlet, the pipeline of drawing from described methanol steam outlet is divided into two branch roads, article two, on a branch road in branch road, be in series with successively gas-liquid separator and vacuum pump, described vacuum pump outlet is connected with methyl alcohol distillation tower by pipeline, and another branch road in two branch roads is directly connected with methyl alcohol distillation tower; Described methyl alcohol distillation tower also forms circulation loop with reboiler.
Further, methanol recovery device also comprises condenser, water cooler, methyl alcohol storage tank and preheater, the top discharge mouth of described methyl alcohol distillation tower is connected with the import of condenser by pipeline, condenser, water cooler, methyl alcohol storage tank are connected successively with preheater, and the delivery port of described preheater is connected with methyl alcohol distillation tower.
Further, described methanol steam outlet is connected with T-valve by pipeline, and the pipeline that this T-valve is drawn methanol steam outlet is divided into two branch roads.
Further, on described methyl alcohol distillation tower, thermopair is installed, described thermopair is connected with electric thermo-couple temperature display instrument.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following beneficial effect:
(1) a kind of production biofuel methanol recovery device of the present utility model, the pipeline that the methanol steam outlet of its reactor is drawn is divided into two branch roads, article one, branch road is by gas-liquid separator, vacuum pump is connected with methyl alcohol distillation tower, another branch road is directly connected with methyl alcohol distillation tower, when reactor methanol concentration is high, can control methanol steam and directly enter methyl alcohol distillation tower, when methanol concentration is on the low side in reactor, by gas-liquid separator and vacuum pump, enter methyl alcohol distillation tower again, methyl alcohol to be recycled is without experience condensation process, whole Methanol Recovery step is more simplified and is consumed energy and greatly reduces, for enterprise has saved production cost,
(2) a kind of production biofuel methanol recovery device of the present utility model, its methyl alcohol distillation tower is connected with water cooler with condenser successively, by the cooling cooling performance of having strengthened the rear methyl alcohol of distillation of two-stage, for whole Methanol Recovery process has been saved the time.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of methanol recovery device for biofuel of producing of the present utility model.
Label declaration in schematic diagram:
1, reactor; 2, preheater; 3, methyl alcohol distillation tower; 4, condenser; 5, water cooler; 6, methyl alcohol storage tank; 7, gas-liquid separator; 8, vacuum pump; 9, reboiler.
Embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
In conjunction with Fig. 1, a kind of production biofuel methanol recovery device of the present embodiment, comprises reactor 1, methyl alcohol distillation tower 3, gas-liquid separator 7, vacuum pump 8 and reboiler 9.The top of described reactor 1 offers methanol steam outlet, and methanol steam outlet is connected with T-valve by pipeline, and the pipeline that this T-valve is drawn methanol steam outlet is divided into two branch roads.Article two, on a branch road in branch road, be in series with successively gas-liquid separator 7 and vacuum pump 8, the vacuum pump 8 of the present embodiment adopts dry type spiral pump.Described vacuum pump 8 outlets are connected with methyl alcohol distillation tower 3 by pipeline, and another branch road in two branch roads is directly connected with methyl alcohol distillation tower 3.Contriver points out that traditional methanol recovery device majority do not consider the interior methanol concentration of reactor 1 height, adopts without exception unipath recovery scheme, and generally use at present by gasified methanol first cooling redistilled scheme also can produce great energy dissipation.The present embodiment is in order to overcome the problems referred to above, for entering methyl alcohol distillation tower 3, methyl alcohol in reactor 1 provides 2 paths, when in reactor 1, methanol concentration is higher, in reactor 1, pressure can directly be sent into methanol steam methyl alcohol distillation tower 3, now, the path that only T-valve directly need be led to methyl alcohol distillation tower 3 is opened, and methanol steam just can directly enter methyl alcohol distillation tower 3, without consuming any energy.And when the interior methanol concentration of reactor 1 on the low side, when in reactor 1, pressure has not been well positioned to meet requiring of conveying methanol steam, first by 7 pairs of methanol steams of gas-liquid separator, carry out gas-liquid separation again, vacuum pump 8 provides power that methyl alcohol to be distilled is sent into methyl alcohol distillation tower 3, whole Methanol Recovery step is more simplified and is consumed energy and greatly reduces, for enterprise has saved production cost.Meanwhile, a delivery port of the present embodiment methyl alcohol distillation tower 3 is also connected with the import of reboiler 9, and the delivery port of reboiler 9 is connected with methyl alcohol distillation tower 3 again, and methyl alcohol distillation tower 3 forms a circulation loop with reboiler 9.
Described methanol recovery device also comprises condenser 4, water cooler 5, methyl alcohol storage tank 6 and preheater 2, the top discharge mouth of described methyl alcohol distillation tower 3 is connected with the import of condenser 4 by pipeline, condenser 4, water cooler 5, methyl alcohol storage tank 6 and preheater 2 are connected successively, and the delivery port of described preheater 2 is connected with methyl alcohol distillation tower 3.It is cooling that the present embodiment carries out two-stage by condenser 4 and water cooler 5, and after distillation, the cooling performance of methyl alcohol is better, for whole Methanol Recovery process has been saved the time.
In addition, distillation temperature for Optimum Regulation methyl alcohol distillation tower 3, guarantee that methyl alcohol distillation tower 3 has distilling effect better, the present embodiment has been installed 3 thermopairs on methyl alcohol distillation tower 3, and described thermopair is connected with electric thermo-couple temperature display instrument, field personnel can observe the temperature of methyl alcohol distillation tower 3 more easily.
During actual use, after biodiesel esterification completes, open reactor 1 top methanol steam outlet, the large calorimetric that esterification produces makes the excessive methanol heating evaporation adding, now reactor 1 internal pressure is high, the path that T-valve directly can be led to methyl alcohol distillation tower 3 is opened, and methanol steam directly enters methyl alcohol distillation tower 3, without consuming any energy.And As time goes on, the interior methanol steam concentration of reactor 1 is on the low side, in reactor 1, pressure has not been well positioned to meet the requirement of carrying methanol steam, the branch road that T-valve can be led to gas-liquid separator 7 is opened, first by 7 pairs of methanol steams of gas-liquid separator, carry out gas-liquid separation, by vacuum pump 8, provide power that methyl alcohol to be distilled is sent into methyl alcohol distillation tower 3 again, whole Methanol Recovery step is more simplified and is consumed energy and greatly reduces.Methyl alcohol to be distilled enters after methyl alcohol distillation tower 3, and through tower bottom reboiler 9 heating evaporations, in the interior rectification and purification of methyl alcohol distillation tower 3, then it is cooling through condenser 4 and water cooler 5, to carry out two-stage, and cooling rear methanol liquid enters methyl alcohol storage tank 6.In order to guarantee to reclaim the quality of methyl alcohol, need detect methyl alcohol in methyl alcohol storage tank 6, if detect defectively, methyl alcohol in methyl alcohol storage tank 6 need be pumped into preheating in preheater 2, then be conveyed into distillation again in methyl alcohol distillation tower 3, to be detectedly pump into again methyl alcohol geosyncline after qualified.
A kind of production biofuel methanol recovery device described in embodiment 1, for entering methyl alcohol distillation tower 3, methyl alcohol in reactor 1 provides 2 kinds of paths, in reactor 1, methanol steam can directly enter methyl alcohol distillation tower 3 and distills, whole removal process power consumption is few, enterprise's production cost reduces, and simple in structure, easy to utilize.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (4)
1. a production biofuel methanol recovery device, comprises reactor (1), methyl alcohol distillation tower (3) and reboiler (9), it is characterized in that: also comprise gas-liquid separator (7) and vacuum pump (8); The top of described reactor (1) offers methanol steam outlet, the pipeline of drawing from described methanol steam outlet is divided into two branch roads, article two, on a branch road in branch road, be in series with successively gas-liquid separator (7) and vacuum pump (8), described vacuum pump (8) outlet is connected with methyl alcohol distillation tower (3) by pipeline, and another branch road in two branch roads is directly connected with methyl alcohol distillation tower (3); Described methyl alcohol distillation tower (3) also forms circulation loop with reboiler (9).
2. a kind of production biofuel methanol recovery device according to claim 1, it is characterized in that: methanol recovery device also comprises condenser (4), water cooler (5), methyl alcohol storage tank (6) and preheater (2), the top discharge mouth of described methyl alcohol distillation tower (3) is connected with the import of condenser (4) by pipeline, condenser (4), water cooler (5), methyl alcohol storage tank (6) and preheater (2) are connected successively, and the delivery port of described preheater (2) is connected with methyl alcohol distillation tower (3).
3. a kind of production biofuel methanol recovery device according to claim 2, is characterized in that: described methanol steam outlet is connected with T-valve by pipeline, and the pipeline that this T-valve is drawn methanol steam outlet is divided into two branch roads.
4. according to a kind of production biofuel methanol recovery device described in claim 2 or 3, it is characterized in that: on described methyl alcohol distillation tower (3), thermopair is installed, described thermopair is connected with electric thermo-couple temperature display instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270157.1U CN203855560U (en) | 2014-05-23 | 2014-05-23 | Methanol recovery device for biodiesel production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270157.1U CN203855560U (en) | 2014-05-23 | 2014-05-23 | Methanol recovery device for biodiesel production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203855560U true CN203855560U (en) | 2014-10-01 |
Family
ID=51605427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420270157.1U Expired - Fee Related CN203855560U (en) | 2014-05-23 | 2014-05-23 | Methanol recovery device for biodiesel production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203855560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387229A (en) * | 2014-11-23 | 2015-03-04 | 无锡市虎皇漆业有限公司 | Methanol recovery treatment system |
| CN104911033A (en) * | 2015-05-18 | 2015-09-16 | 长岭炼化岳阳工程设计有限公司 | Preparation device for biodiesel and method for preparing biodiesel by utilization of preparation device |
| CN106699610A (en) * | 2016-12-21 | 2017-05-24 | 武汉青江化工黄冈有限公司 | Process and device for producing dimethyl sulfate with low methyl ether content |
| CN118320451A (en) * | 2024-06-14 | 2024-07-12 | 广州市朗坤环境科技有限公司 | Tail gas treatment system in biodiesel production by enzyme method |
-
2014
- 2014-05-23 CN CN201420270157.1U patent/CN203855560U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387229A (en) * | 2014-11-23 | 2015-03-04 | 无锡市虎皇漆业有限公司 | Methanol recovery treatment system |
| CN104911033A (en) * | 2015-05-18 | 2015-09-16 | 长岭炼化岳阳工程设计有限公司 | Preparation device for biodiesel and method for preparing biodiesel by utilization of preparation device |
| CN104911033B (en) * | 2015-05-18 | 2018-07-06 | 长岭炼化岳阳工程设计有限公司 | The preparation facilities of biodiesel and the method using its preparation biodiesel |
| CN106699610A (en) * | 2016-12-21 | 2017-05-24 | 武汉青江化工黄冈有限公司 | Process and device for producing dimethyl sulfate with low methyl ether content |
| CN118320451A (en) * | 2024-06-14 | 2024-07-12 | 广州市朗坤环境科技有限公司 | Tail gas treatment system in biodiesel production by enzyme method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203855560U (en) | Methanol recovery device for biodiesel production | |
| CN106929162B (en) | Acid reducing process for producing glycerol by using waste oil | |
| CN102643195B (en) | Production method of n-butyl acetate | |
| CN102580338A (en) | Device and method for continuously rectifying 3-chloropropyl triethoxysilane | |
| CN102382716A (en) | Method and equipment for preparing biodiesel with high-acid-value waste oil | |
| CN202022865U (en) | Device for recovering excessive methyl alcohol in biodiesel production by low energy consumption | |
| CN203833916U (en) | Esterification treatment system capable of effectively recycling methyl alcohol | |
| CN103252105B (en) | Methyl alcohol pressure reducing and distilling device | |
| CN104419526A (en) | Device for producing biodiesel from waste catering oil | |
| CN201512523U (en) | Biological diesel refining device | |
| CN206799570U (en) | A kind of deacidification system of waste grease | |
| CN202099261U (en) | Esterification and directional separation integrated device for biodiesel production | |
| CN203728804U (en) | Electrical heating biodiesel distillation tower | |
| CN103159590A (en) | Process for recycling excessive methyl alcohol in biodiesel production process | |
| CN202688237U (en) | Production device for n-butyl acetate | |
| CN106582053B (en) | The process and device of the tower methanol distillation column by-product ethyl alcohol of partition | |
| CN103468400B (en) | Distillation and deodorization method for production of biodiesel | |
| CN102127490A (en) | Method for preparing biodiesel by vegetable oil acidic oil | |
| CN106929163A (en) | A kind of deacidification system of waste grease | |
| CN209010504U (en) | A kind of electric power liquid fuel thinning process units | |
| CN203816258U (en) | Multistage distillation system for biodiesel | |
| CN203429098U (en) | Alcohol recycling device in pectin production | |
| CN203938664U (en) | A kind of device of energy saving and environment friendly base-catalyzed transesterification method production biofuel | |
| CN102839056A (en) | Stepped recovery and purification method and device of biodiesel methanol | |
| CN203487061U (en) | Methanol recycling device for biodiesel production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20180523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |