CN203513651U - Biodiesel esterification reactor - Google Patents
Biodiesel esterification reactor Download PDFInfo
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- CN203513651U CN203513651U CN201320594645.3U CN201320594645U CN203513651U CN 203513651 U CN203513651 U CN 203513651U CN 201320594645 U CN201320594645 U CN 201320594645U CN 203513651 U CN203513651 U CN 203513651U
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- reactor
- methyl alcohol
- side wall
- reaction kettle
- valve
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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
- 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
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a biodiesel esterification reactor. A stirrer, a raw material adding valve and a catalyst inlet valve are arranged at the top end of a reaction kettle; an upper temperature monitor is arranged on the upper part of the right side wall of the reaction kettle; a sampling valve is arranged on the middle part of the right side wall; a lower temperature monitor is arranged on the lower part of the right side wall; a steam coil pipe is arranged in the reaction kettle; a liquidometer is arranged on the upper part of the left side wall of the reaction kettle; a middle temperature monitor is arranged on the middle part of the left side wall; a material discharging valve is arranged on the side wall of the left end of the reaction kettle; a sewage discharging valve is arranged at the lower end of the reaction kettle. The reaction kettle is a cylinder; the lower end of the reaction kettle is a cone; a methanol pipe parallel to the inner wall of the cone body is arranged at the lower end in the reaction kettle; a spraying hole is formed in the methanol pipe; a defoamer with a methanol outlet valve is arranged on the top of the reaction kettle. The biodiesel esterification reactor has the advantages of reasonable design, high esterification efficiency, high raw material utilization rate and the like and can be used for preparing biodiesel.
Description
Technical field
This utility model belongs to gas liquid reaction technical field of chemical, is specifically related to biodiesel esterification device.
Background technology
" 12 " planning outline is pointed out, implements energy consumption intensity and total amount dual control system, accelerates cultivation and development new forms of energy.Actively develop the exploitation of the non-fossil energies such as water energy, nuclear energy, wind energy, sun power, biomass energy.The pay attention to day by day to environment protection along with worldwide energy shortage and people, this environmental type fuel of R and D biofuel has become the technical problem of current urgent solution to substitute the task of the oil of continuous exhaustion.
Domestic production of biodiesel raw material is mostly waste grease (sewer oil, hogwash fat, acidifying wet goods), generally adopts soda acid two-step approach to produce.This method generally adopts methyl alcohol to react with free fatty acids and triglyceride level in waste grease, generates fatty acid methyl ester (biofuel).In this process, the amount that adds methyl alcohol is all the quantity of methyl alcohol that substantially exceeds real participation reaction conventionally, and in order to reduce production costs, unnecessary methyl alcohol generally all needs to reclaim by the whole bag of tricks.
Use the methanol distillation column rectifying methyl alcohol that gives up, after finishing, reaction is warming up to 90 ℃, stirring, vacuum pump-down, gas-phase methanol condensation is collected, but because methanol content is still higher in the waste liquid that raw material oil-containing is discharged at the bottom of containing reason towers such as soaps, filler obstruction, methyl alcohol loss is large, 30% left and right that General Loss is methanol usage.In dealcoholysis process, generate a large amount of saponifiedly, product yield is declined, methanol consumption is too high becomes the technical problem that production of biodiesel cost cannot reduce.
So far, the preparation method of biofuel is mainly made by transesterification reaction by methyl alcohol and grease.Common esterification is carried out reactive liquid solution conventionally in reactor, and esterification efficiency is lower and condition is harsh, therefore, need to make improvements.
Summary of the invention
Technical problem to be solved in the utility model is to overcome deficiency of the prior art, and a kind of reasonable in design, esterification efficiency is high, raw material availability is high biodiesel esterification device is provided.
Solving the problems of the technologies described above adopted technical scheme is: the top at reactor is provided with agitator, raw material adds valve, catalyst inlet valve, the right side wall top of reactor is provided with temperature monitor, right side wall middle part is provided with sample cock, right side wall bottom is provided with lower temperature monitor, in reactor, be provided with entrance and exit and reach the steam coils outside reactor, the left side wall top of reactor is provided with liquidometer, left side wall middle part is provided with middle temperature monitor, the lower end sidewall of reactor is provided with discharge valve, lower end is provided with sewage draining valve.Reactor of the present utility model is right cylinder, and the lower end of reactor is cone, and in reactor, lower end arranges the methyl alcohol pipe that is processed with spray orifice, and the top of reactor arranges the scum dredger that methyl alcohol outlet valve is installed.
Parallel 4～8 of methyl alcohol Guan Youyu reactor of the present utility model lower end cone inner side-wall, the internal diameter of methyl alcohol pipe is 52～62mm, the aperture of spray orifice is 2～6mm.
Parallel 4 of methyl alcohol Guan Youyu reactor of the present utility model lower end cone inner side-wall, the internal diameter of methyl alcohol pipe is 57mm, the aperture of spray orifice is 5mm.
The cone angle of reactor of the present utility model lower end centrum is 50 °～70 °.
Because the utility model adopts, the methyl alcohol pipe parallel with centrum inwall is set on the cone inwall of reactor lower end, on methyl alcohol pipe, be processed with spray orifice, gaseous methanol, from the ejection of methyl alcohol pipe, fully reacts with grease, increase esterification area, improved esterification efficiency.Top at reactor arranges scum dredger, has prevented that unreacted gaseous state methyl alcohol from taking away the product that thick methyl esters that grease and reaction generate causes and running off and the post-processed to useless methyl alcohol.The utlity model has reasonable in design, esterification efficiency is high, raw material availability advantages of higher, can be used for preparing biofuel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1, the present embodiment biodiesel esterification device by agitator 1, raw material add valve 2, catalyst inlet valve 3, reactor 4, upper temperature monitor 5, steam coils 6, sample cock 7, lower temperature monitor 8, discharge valve 9, sewage draining valve 10, methyl alcohol pipe 11, in temperature monitor 12, liquidometer 13, scum dredger 14, methyl alcohol outlet valve 15 connect and form.
The reactor 4 of the present embodiment is right cylinder, and the lower end of reactor 4 is cone, and the cone angle of cone is 60 °.Top at reactor 4 is fixedly connected agitator 1 is installed with screw threads for fastening connecting parts, and agitator 1, for to adding the reaction raw materials in reactor 4 to stir, fully reacts it.The top of reactor 4 is provided with raw material by thread connection and adds in valve 2, catalyst inlet valve 3, scum dredger 14 and reactor 4 and be connected, reaction raw materials adds valve 2 to join in reactor 4 from raw material, catalyzer is joined in reactor 4 by catalyst inlet valve 3, the top of scum dredger 14 is provided with methyl alcohol outlet valve 15 by thread connection, the foam producing in reactor 4 inner top chemical reaction processes is removed by scum dredger 14, and the water that after reaction, unreacted methanol gas and reaction generate is by 15 outputs of methyl alcohol outlet valve.Right side wall top at reactor 4 is provided with temperature monitor 5 by thread connection, right side wall bottom is provided with lower temperature monitor 8 by thread connection, upper temperature monitor 5 is for monitoring the temperature of reactor 4 internal upper parts, lower temperature monitor 8 is for monitoring the temperature of reactor 4 interior bottoms, the right side wall middle part of reactor 4 is provided with sample cock 7 by thread connection, in sample cock 7 and reactor 4, be connected, in reaction process as in the time of need detecting the reactant in reactor, can open sample cock 7 samplings and detect.
On the cone inner side-wall of the lower end of reactor 4, with screw threads for fastening connecting parts, be fixedly connected 6 methyl alcohol pipes 11 are installed, the entrance end of methyl alcohol pipe 11 reaches outside reactor 4, methyl alcohol pipe 11 is parallel with the lower end cone inner side-wall of reactor 4, the internal diameter of methyl alcohol pipe 11 is 57mm, on every methyl alcohol pipe 11, be processed with spray orifice, the aperture of spray orifice is 5mm, and radially a circle spray orifice and an adjacent circle spray orifice are staggered, and gaseous methanol is sprayed by spray orifice.The right side, lower end of reactor 4 connects discharge valve 9 is installed with screw threads for fastening connecting parts, and reacted resultant is discharged from discharge valve 9.The lower end of reactor 4 is provided with sewage draining valve 10 by thread connection, in sewage draining valve 10 and reactor 4, is connected, and opens sewage draining valve 10, and the foreign material in reactor 4 are discharged reactors 4 from sewage draining valve 10.
Left side wall top at reactor 4 connects liquidometer 13 is installed with screw threads for fastening connecting parts, in liquidometer 13 and reactor 4, is connected, and liquidometer 13 is for detection of the liquid level of reactor 4 interior reaction solutions.The left side wall middle part of reactor 4 connects middle temperature monitor 12 is installed with screw threads for fastening connecting parts, and middle temperature monitor 12 is for monitoring the temperature of the interior middle part of reactor 4 reactant.
In the present embodiment, reactor 4 is right cylinder, and the lower end of reactor 4 is cone, and the cone angle of cone is 50 °.On the lower end cone inner side-wall of reactor 4, with screw threads for fastening connecting parts, be fixedly connected 4 methyl alcohol pipes 11 are installed, the entrance end of methyl alcohol pipe 11 reaches outside reactor 4, methyl alcohol pipe 11 is parallel with the lower end cone inner side-wall of reactor 4, the internal diameter of methyl alcohol pipe 11 is 52mm, on every methyl alcohol pipe 11, be processed with spray orifice, the aperture of spray orifice is 2mm, and radially a circle spray orifice and an adjacent circle spray orifice are staggered, and gaseous methanol is sprayed by spray orifice.The connecting relation of other component and component is identical with embodiment 1.
In the present embodiment, reactor 4 is right cylinder, and the lower end of reactor 4 is cone, and the cone angle of cone is 70 °.On the lower end cone inner side-wall of reactor 4, with screw threads for fastening connecting parts, be fixedly connected 8 methyl alcohol pipes 11 are installed, the entrance end of methyl alcohol pipe 11 reaches outside reactor 4, methyl alcohol pipe 11 is parallel with the lower end cone inner side-wall of reactor 4, the internal diameter of methyl alcohol pipe 11 is 62mm, on every methyl alcohol pipe 11, be processed with spray orifice, the aperture of spray orifice is 6mm, and radially a circle spray orifice and an adjacent circle spray orifice are staggered, and gaseous methanol is sprayed by spray orifice.The connecting relation of other component and component is identical with embodiment 1.
Working process of the present utility model is as follows:
During use, reactant adds valve 2 to add from raw material, catalyzer adds from catalyst inlet valve 3, and adds the grease in proportioning raw materials, and steam passes into from steam coils 6, open agitator 1 simultaneously, when temperature reaches temperature of reaction, from methyl alcohol pipe 11, pass into gaseous methanol, start reaction, now a large amount of gaseous methanols fully contacts with grease, and efficient esterification occurs.After reaction finishes, the acid sludge of trace is discharged from sewage draining valve 10, and products therefrom is discharged from discharge valve 9, through packing, can obtain product.
Claims (4)
1. a biodiesel esterification device, on the top of reactor (4), be provided with agitator (1), raw material adds valve (2), catalyst inlet valve (3), the right side wall top of reactor (4) is provided with temperature monitor (5), right side wall middle part is provided with sample cock (7), right side wall bottom is provided with lower temperature monitor (8), in reactor (4), be provided with entrance and exit and reach the outer steam coils (6) of reactor (4), the left side wall top of reactor (4) is provided with liquidometer (13), left side wall middle part is provided with middle temperature monitor (12), the lower end sidewall of reactor (4) is provided with discharge valve (9), lower end is provided with sewage draining valve (10), it is characterized in that: described reactor (4) is right cylinder, the lower end of reactor (4) is cone, the interior lower end of reactor (4) arranges the methyl alcohol pipe (11) that is processed with spray orifice, the top of reactor (4) arranges the scum dredger (14) that methyl alcohol outlet valve (15) are installed.
2. biodiesel esterification device according to claim 1, it is characterized in that: described methyl alcohol pipe (11) has 4～8 parallel with reactor (4) lower end cone inner side-wall, the internal diameter of methyl alcohol pipe (11) is 52～62mm, and the aperture of spray orifice is 2～6mm.
3. biodiesel esterification device according to claim 1, is characterized in that: described methyl alcohol pipe (11) has 4 parallel with reactor (4) lower end cone inner side-wall, and the internal diameter of methyl alcohol pipe (11) is 57mm, and the aperture of spray orifice is 5mm.
4. according to the biodiesel esterification device described in claim 1 or 2 or 3, it is characterized in that: the cone angle of described reactor (4) lower end centrum is 50 °～70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594645.3U CN203513651U (en) | 2013-09-25 | 2013-09-25 | Biodiesel esterification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594645.3U CN203513651U (en) | 2013-09-25 | 2013-09-25 | Biodiesel esterification reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203513651U true CN203513651U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594645.3U Expired - Lifetime CN203513651U (en) | 2013-09-25 | 2013-09-25 | Biodiesel esterification reactor |
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| CN (1) | CN203513651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482898A (en) * | 2015-12-31 | 2016-04-13 | 陕西合盛生物柴油技术开发有限公司 | Biodiesel continuous esterification reaction tower |
-
2013
- 2013-09-25 CN CN201320594645.3U patent/CN203513651U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482898A (en) * | 2015-12-31 | 2016-04-13 | 陕西合盛生物柴油技术开发有限公司 | Biodiesel continuous esterification reaction tower |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170126 Address after: 612100 Meishan city of Sichuan province Meishan Jinxiang Chemical Industrial Park Patentee after: Sichuan Huishengxin Energy Co. Ltd. Address before: 710075 Shaanxi Province, Xi'an Yanta District Four High Road on the west side of leading group E (City crown) 1 Building 3 unit 31604 room Patentee before: Shanxi Hesheng Biodiesel Technology Development Co., Ltd. |