CN104342189B - The method of inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent - Google Patents
The method of inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent Download PDFInfo
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- CN104342189B CN104342189B CN201410524231.2A CN201410524231A CN104342189B CN 104342189 B CN104342189 B CN 104342189B CN 201410524231 A CN201410524231 A CN 201410524231A CN 104342189 B CN104342189 B CN 104342189B
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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
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- 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
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Abstract
The method of inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent, comprise the following steps: (1) is by microwave absorption: the mass ratio of catalyzer=50:1 ~ 50:5, take microwave absorption, catalyst mix and evenly add in reactor; (2) reactor is placed in microwave cracking instrument, is heated to 300 ~ 500 DEG C, drips Chinese tallow tree grease gradually, by the vapor condensation produced, obtains light brown liquid product continuously.Present invention process is simple, and cracking is quick, and gained cracking hydrocarbon oil oxygen level is low, and low-temperature fluidity is good, and calorific value is higher, and stability is strong.
Description
Technical field
The invention belongs to biomass energy transformation technology field, relate to a kind of method that Chinese tallow tree grease prepares fuel oil.
Background technology
The biofuel advantage maximum relative to fossil oil has recyclability.At present, Vegetable oil lipoprotein is the main raw material obtaining biofuel, obtains renewable fuel oil by the thermochemistry such as transesterify, thermo-cracking means.Transesterify is the method preparing biofuel of current widespread use, comparatively proven technique has been formed through development for many years, but because biofuel cloud point is high, low-temperature fluidity is poor, is unfavorable for using in the environment of cold, and energy resource density is low, calorific value is lower than common petrifaction diesel by 9%, in addition the thermostability of biofuel is poor, is easily oxidized, and not easily stores.In addition, biofuel is higher to ingredient requirement, and there is the problem of Methanol Recovery and glycerine recycling, increase production cost, these shortcomings seriously govern the development of biofuel.
Up-to-date research report display, triglyceride level cracking obtains high-quality bio-fuel-oil, and to have viscosity little, and low-temperature fluidity is good, cetane value high.In biomass, Vegetable oil lipoprotein is considered to the optimum feed stock of producing recyclable organism fuel oil.Because food oils price is higher and strive grain with the people, too high for the production of bio-fuel-oil cost.Investigator turns one's attention to the non-grain and oil fat of plant.Jiangxi Province is located in subtropics, and weather is rainy, moistening, frostless season is long, is applicable to the amount reproduction of Chinese tallow tree, there is poisonous phorbol ester in Chinese tallow tree kernel, can not as food oils.The wax coating for a big pill (exosper) of the outer quilt of Chinese tallow seed can squeeze Chinese tallow tree fat (also known as skin oil, Chinese tallow tree wax), remove the seed of wax coating for a big pill can squeeze Chinese catalpa oil.The mixing oil that Chinese tallow seed (with wax coating for a big pill) squeezes is called wood oil.According to the study, the oil yield of Chinese tallow seed is up to 40%, and Chinese tallow tree wood oil, based on the unsaturated fatty acids of C18, is the desirable feedstock preparing bio-fuel-oil.But it is slow and can not be continuous to there is pyrolysis rate in existing preparation technology, and cracked oil oxygen level is high, and viscosity is large, the shortcomings such as low-temperature fluidity is poor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of continuous-type microwave absorption agent to assist suction ripple fast pyrogenation Chinese tallow tree grease to prepare the method for fuel oil.The method technique is simple, and cracking is quick, and gained cracking hydrocarbon oil oxygen level is low, and low-temperature fluidity is good, and calorific value is higher, and stability is strong.
Technical scheme of the present invention is: the method for inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent, comprises the following steps.
(1) by microwave absorption: the mass ratio of catalyzer=50:1 ~ 50:5, take microwave absorption, catalyst mix and evenly add in reactor.
(2) reactor is placed in microwave cracking instrument, is heated to 300 ~ 500 DEG C, drips Chinese tallow tree grease gradually, by the vapor condensation produced, obtains light brown liquid product continuously.
Microwave sorbent material of the present invention is nonmetal absorbing material, preferred ferrite, silicon carbide or carbon black.
Catalyzer of the present invention is basic catalyst, preferred sodium carbonate, salt of wormwood, sodium hydroxide, potassium hydroxide or water glass.
Reactor of the present invention is quartz or ceramic material.
The more existing cracking technique of the present invention, has the following advantages.
1, employing microwave absorption, catalyst mix evenly add reactor, high hott bed layer is formed under microwave condition, the higher fatty acid generated when adopting basic catalyst effectively can catch catalytic pyrolysis, form soap, utilize the feature that its carboxyl terminal polarity is strong, micro-wave energy is heating fat hydrochlorate carboxyl terminal optionally, promotes the carrying out of decarboxylic reaction.
2, the by-product glycerin in reaction system and microwave absorption, catalyzer form high hot hydrogen supply bed, and the special type of heating of microwave makes to form the three-dimensional hot hydrogen supply site of height in bed, and the saturation ratio of favourable raising pyrolysis fuel oil, increases its stability.
3, during microwave cracking, compole is short, is swift in response, and gained cracking hydrocarbon oil oxygen level is low, and low-temperature fluidity is good, and calorific value is higher, and stability is strong, can be miscible with No. 0 diesel oil arbitrary proportion.
Embodiment
The present invention will be described further by following examples.
Embodiment 1.
50g silicon carbide, 1g sodium hydroxide are added with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 400 DEG C, drip 100g Chinese tallow tree grease gradually, 30min drips off, and continue maintenance 400 DEG C of catalytic pyrolysiss and generate without cut, microwave cracking obtains liquid fuel 73g.
Embodiment 2.
50g silicon carbide, 5g sodium carbonate are added with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 450 DEG C, drip 100g Chinese tallow tree grease gradually, 30min drips off, and continue maintenance 420 DEG C of catalytic pyrolysiss and generate without cut, microwave cracking obtains liquid fuel 77g.
Embodiment 3.
50g ferrite, 3g salt of wormwood are added with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 380 DEG C, drip 100g Chinese tallow tree grease gradually, 30min drips off, and continue maintenance 380 DEG C of catalytic pyrolysiss and generate without cut, microwave cracking obtains liquid fuel 70g.
Embodiment 4.
50g carbon black, 5g potassium hydroxide are added with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 430 DEG C, drip 100g Chinese tallow tree grease gradually, 30min drips off, and continue maintenance 430 DEG C of catalytic pyrolysiss and generate without cut, microwave cracking obtains liquid fuel 72g.
Claims (3)
1. the method for inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by continuous-type microwave absorption agent, and its feature comprises the following steps:
(1) by microwave absorption: the mass ratio of catalyzer=50:1 ~ 50:5, take microwave absorption, catalyst mix and evenly add in reactor;
(2) reactor is placed in microwave cracking instrument, is heated to 300 ~ 500 DEG C, drips Chinese tallow tree grease gradually, by the vapor condensation produced, obtains light brown liquid product continuously.
2. method according to claim 1, is characterized in that described microwave absorption is ferrite, silicon carbide or carbon black.
3. method according to claim 1, is characterized in that described catalyzer is sodium carbonate, salt of wormwood, sodium hydroxide, potassium hydroxide or water glass.
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| CN201410524231.2A CN104342189B (en) | 2014-10-09 | 2014-10-09 | The method of inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent |
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| CN201410524231.2A CN104342189B (en) | 2014-10-09 | 2014-10-09 | The method of inhaling ripple fast pyrogenation Chinese tallow tree grease and preparing fuel oil assisted by a kind of continuous-type microwave absorption agent |
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| CN104342189A CN104342189A (en) | 2015-02-11 |
| CN104342189B true CN104342189B (en) | 2016-04-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105032459B (en) * | 2015-07-24 | 2018-01-19 | 南昌大学 | A kind of microwave absorption foamed ceramics catalyst and preparation method |
| CN105038837A (en) * | 2015-07-24 | 2015-11-11 | 南昌大学 | Method for preparing hydrocarbon fuel through rapeseed oil residues |
| CN107805514B (en) * | 2017-11-06 | 2021-03-26 | 南昌大学 | Method for preparing alkane-rich biomass-based aviation fuel oil by using straws and waste infusion bags |
| CN112552940A (en) * | 2020-11-19 | 2021-03-26 | 河南科技大学 | Method for preparing combustible gas, bio-oil and active carbon from crop straws by solid phase method |
| CN115432893A (en) * | 2021-06-03 | 2022-12-06 | 陕西青朗万城环保科技有限公司 | Treatment process of greasy dirt |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104493A (en) * | 1986-06-30 | 1987-11-25 | 江西工业大学 | One-step process for producting mono-fatty glyceride |
| CN100999665A (en) * | 2006-12-29 | 2007-07-18 | 安徽大学 | Fast synthesizing process of strontium aluminate rare earth long afterglow luminescent powder |
| CN101235312A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Method for preparing biological oil by using microwave irradiation to crack biomass |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104493A (en) * | 1986-06-30 | 1987-11-25 | 江西工业大学 | One-step process for producting mono-fatty glyceride |
| CN100999665A (en) * | 2006-12-29 | 2007-07-18 | 安徽大学 | Fast synthesizing process of strontium aluminate rare earth long afterglow luminescent powder |
| CN101235312A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Method for preparing biological oil by using microwave irradiation to crack biomass |
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