CN101260312B - Method for producing biological diesel oil - Google Patents

Abstract

The invention relates to a method to produce bio-diesel. The invention includes the steps as follows: firstly materials with parts by weight are weighed, including cottonseed extract (10), rapeseeds extract (10), rapeseeds shell (3), olive tree (2), palm (2), rapeseeds stem (10), biogas liquid (2), waste animal lipid (3), rapeseeds extract (5), and slop oil (43); secondly the materials are mixed and stored in a recycling pool, thirdly caustic soda as the additive is added to the recycling pool, the smashed camphortree as the non-synthesized additive is added with a ratio; fourthly all materials are mixed for derivation and fermentation for three weeks, fifthly the fermented mixture is sent to a smashing workshop to be smashed, sixthly the smashed mixture is sent to a filtering workshop to be filtered, with the filtered liquid of every filtering stage sent to a high-pressure workshop to be refined and, seventhly the mixture is evaporated by boilers in the high-pressure workshop to obtain a liquid, then the evaporated liquid is cooled down and conveyed to the storage can, and then the liquid is conveyed to a three-phase separator to be refined to obtain glycerin and rough methyl acrylate and; eightly the rough methyl acrylate is fed into a refining procedure to be refined into methyl acrylate, i.e. the bio-diesel.

Description

A kind of production method of biofuel

Technical field

The method that the present invention relates to refine oil refers in particular to a kind of production method of biofuel.

Background technology

Biofuel is to be only second to coal, oil, the Sweet natural gas the fourth-largest energy afterwards as the renewable energy resources, it accounts for critical role in the whole energy, the application of bioenergy, can partly substitute conventional energy resourcess such as coal, alleviate the tense situation of present power supply, biofuel can be utilized and will be well worth doing in China.Because international oil price constantly increases, renewable energy sources such as global biomass, the sun, water and underground heat progressively replace the mineral products thing energy in recent years, and wherein biomass energy comprises alcohol fuel, biofuel, biomass power generation and biogas etc.Present many countries have proposed the biofuel developing goal, and the U.S. plans will replace 10% of crude oil consumption at the year two thousand twenty bioenergy, and the bio-based product replaces 25% of petrochemical material goods.Motion grease and Vegetable oil lipoprotein all have high-energy-density, viscosity, height incendivity in the present production method, it is made emulsion, press the ratio allotment of 5%-30% again, drawing main component is ethyl, propyl group, isoamyl alcohol, and promoting agent is soya-bean oil soap system, dodecyl sulphur, sour sodium, lipid acid, thanomin.The shortcoming that exists is that the above direct preparation method scope of application is little, and the investment that is converted into productivity is big, and economic benefit is little.

Summary of the invention

The objective of the invention is to be improved, innovate at the shortcoming that exists in the background technology and problem, the chemical compound method and the homemade additive raw material of adding that provide a kind of employing to provide for oneself, be suitable on a large scale and refine, can form the production method of a kind of biofuel of new throughput.

Method of the present invention may further comprise the steps:

1) the vegetables oil waste matter, plant stalk, waste oil that takes by weighing following weight part is as raw material:

Cottonseed meal 10, rapeseed meal 10, tea seed shell 3, olive 2, brown paulownia 2, vegetable seed bar 10, cottonseed bar 10, methane liquid 2, useless animal grease 3, leached tea oil slag 5, hogwash fat 43;

2) above raw material mixing is stored into pond for recovering;

3) in 10000 tons of pond for recoverings, add caustic soda 0.3% and make additive, urge the acid material with what camphorwood powder was broken into that 200 order powder make additive non-chemically, and by 3% ratio interpolation;

4) fermentation of deriving of each microbial strains will be carried out after above all mixing of materials with three time-of-weeks;

5) fermented-mixture is delivered to three grades of impeller pumps carries out the 100-200 order between crushing vehicle and pulverize;

6) mixture that will pulverize again is delivered to three cascade ring type filtration plants with impeller pump and filters, and each grade crossed filtered juice and slag is delivered to pressurized plant and refines;

7) pressurized plant adopts boiler to flash to liquid, and temperature is 180 ℃, delivers into hold-up vessel after evaporated liquid has cooled to 30 ℃, with impeller pump the liquid in the hold-up vessel is delivered to three-phase separator again and extracts glycerine and thick formicester;

8) thick formicester being entered the refining of interpolation program is formicester, i.e. biofuel.

Starting material potentiality of the present invention are big, and according to statistics, biomass energy accounted for life in the countryside 55.17% of energy in 2000, hundred million tons of the about 6-7 of the annual tangerine bar output of China, tangerine bar output was 6.21 hundred million tons in 2006, was roughly equal to 3.1 hundred million tons mark coal, the useless branch in forest zone can reach 1,000,000,000 tons every year, is roughly equal to the coal more than 500,000,000 tons.The present invention's process cost per ton are at 257 yuan, if add raw materials cost, this raw materials cost is about 350-450 unit/ton, near the price of coal.The present invention adopts base catalysis or acid catalysis, its transformation efficiency is up to 98%, n-Hexadecane high by 49% (petrifaction diesel 45%) oxygen level is high by 11%, and ignition quality is better than the FAIN sulfurous gas of petrifaction diesel and the discharging of sulfide is lower than 30% of petrochemical industry oil, is lower than 70% when catalyzer is arranged.Nuisances such as sulfur-bearing, lead, halogen not, the discharging of carbon monoxide is lower than petrifaction diesel 10%, is 95% degradation property when catalyzer is arranged.

Principle of the present invention: vegetables oil and animal oil are carried out chemical conversion, change its molecular structure, make main composition lipid acid (grease of glyceride change into into molecular weight only for its lipid acid of 1/3---low charcoal base fat).Fatization and fat method for transformation (free fatty acids that contains or do not contain), carry out fatization and lipid conversion reaction with animal-plant oil and the low charcoal monohydroxy-alcohol (1-4 alcohol) of methyl alcohol, generating corresponding lipid acid---low charcoal alkyl fat again through separation of glycerin, gets final product through suitable processing the such as washing, drying.By being chemically converted into the low charcoal base fat of lipid acid, his flowability and viscosity meet the melting property mutually of diesel oil such as petrochemical industry fully.The conversion of animal grease and Vegetable oil lipoprotein (having contained chemical catalyst, biological alcohol catalyst) is by the chemical process of high temperature, high pressure, normal pressure, pressurization; Technology such as fatization are changeed in the continuous commentaries on classics fatization of normal pressure and pressurization continuously.By Vegetable oil lipoprotein and animal grease are carried out making it become safety liquid product uniformly after the chemical conversion, viscosity reduces and forms the unitary system of melting mutually with petrochemical industry oil.The fat exchange that vegetables oil and methyl alcohol take place under the effect of catalyzer draws thick formicester through neutralizing and being separated, thick formicester is delivered into finishing room carries out cycling program that refining and chemistry add and is connected fat and transforms (base catalysis, DVD), draw the formicester product through purification and Methanol Recovery again---be biofuel.

Embodiment

One, mix the design of pond for recovering:

Do the end with common brick, cement, 2 meters of height, set up volumetric quantity on the basis of 2 meters height and be 10000 tons pond for recovering, long 6 meters of pond, wide 3 meters, high 1.8 meters, build with cement, common brick, the bottom is 30 degree slope shapes, and circulating line is set all around, carry processing, the top is oval pulling-lid type (being convenient to sealing and cleaning).

Two, take by weighing following raw material: (ton)

1) take by weighing the raw material of following weight:

Cottonseed meal 1000, rapeseed meal 1000, tea seed shell 300, olive 200, brown paulownia 200, vegetable seed bar 1000, cottonseed bar 1000, methane liquid 200, useless animal grease 300, leached tea oil slag 500, hogwash fat 4300;

2) above raw material mixing is stored into pond for recovering;

3) in 10000 tons of pond for recoverings, add caustic soda and make additive for 30 tons, urge the acid material with what camphorwood powder was broken into that 200 order powder make additive non-chemically, and by 300 tons ratio interpolation;

4) fermentation of deriving of each microbial strains will be carried out after above all mixing of materials with three time-of-weeks;

5) fermented-mixture is delivered to three grades of impeller pumps carries out the 100-200 order between crushing vehicle and pulverize;

6) mixture that will pulverize again is delivered to three cascade ring type filtration plants with impeller pump and filters, and each grade crossed filtered juice and slag is delivered to pressurized plant and refines;

7) pressurized plant adopts boiler to flash to liquid, and temperature is 180 ℃, delivers into hold-up vessel after evaporated liquid has cooled to 30 ℃, with impeller pump the liquid in the hold-up vessel is delivered to three-phase separator again and extracts glycerine and thick formicester;

8) thick formicester being entered the refining of interpolation program is formicester, i.e. biofuel.

Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; do not breaking away under the preceding topic of design philosophy of the present invention; engineering technical personnel make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.

Claims (1)

1. the production method of a biofuel is characterized in that may further comprise the steps:

1) the vegetables oil waste matter, plant stalk, waste oil that takes by weighing following weight part is as raw material:

Cottonseed meal 10, rapeseed meal 10, tea seed shell 3, olive 2, brown paulownia 2, vegetable seed bar 10, cottonseed bar 10, methane liquid 2, useless animal grease 3, leached tea oil slag 5, hogwash fat 43;

2) above raw material mixing is stored into pond for recovering;

3) in 10000 tons of pond for recoverings, add caustic soda and make additive, and set by step in 1 the ratio of raw material total amount 0.3% add caustic soda, urge the acid material with what camphorwood powder was broken into that 200 order powder make additive non-chemically, and set by step in 1 the ratio of raw material total amount 3% add camphorwood powder;

4) fermentation of deriving of each microbial strains will be carried out after above all mixing of materials with three time-of-weeks;

5) fermented-mixture is delivered to three grades of impeller pumps carries out the 100-200 order between crushing vehicle and pulverize;

6) mixture that will pulverize again is delivered to three cascade ring type filtration plants with impeller pump and filters, and each grade crossed filtered juice and slag is delivered to pressurized plant and refines;

7) pressurized plant adopts boiler to flash to liquid, and temperature is 180 ℃, delivers into hold-up vessel after evaporated liquid has cooled to 30 ℃, with impeller pump the liquid in the hold-up vessel is delivered to three-phase separator again and extracts glycerine and thick formicester;

8) thick formicester being entered the refining of interpolation program is methyl esters, i.e. biofuel.