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Process method and equipment for producing biodiesel from rapeseed oil

A technology of biodiesel and process method, applied in the fields of energy, chemistry, and chemical industry, can solve the problems of inconvenient operation, low efficiency, and inability to control the composition of reactants.

Inactive Publication Date: 2014-10-01
朱瑞林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the technologies for producing biodiesel are intermittent stirring methods, which are inefficient, inconvenient to operate, and cannot control the composition of reactants.

Method used

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  • Process method and equipment for producing biodiesel from rapeseed oil
  • Process method and equipment for producing biodiesel from rapeseed oil
  • Process method and equipment for producing biodiesel from rapeseed oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, refer to figure 1 . This example takes the inverted U-shaped tube reactor 1 as an example, and by every liter of methanol (CH 3 OH) dissolves about 25.01 grams of sodium methylate (NaOMe) to prepare a mixture of methanol and catalyst, close valve 1, and store the mixture in vessel 21. Before production, CH 3 OH and NaOMe were mixed at 40°C for 1 hour. Adjust the frequency to 5Hz, the amplitude to 4mm, turn on the oscillation device, and adjust the metering pump 24: make CH 3 The flow rate of OH+NaOMe mixture is 0.509l / h, the flow rate of rapeseed oil is 2.591l / h, the reactants (catalyst-containing methanol and rapeseed oil) are extracted from the respective vessels, and heated to 60°C and input into reactor 1 . After the reaction is completed under the above parameters, the product (crude biodiesel+glycerin) first enters the separator 34 for separation, and the separated methanol-containing crude biodiesel enters the water washer 32 to wash away the m...

Embodiment 2

[0041] Embodiment 2, when a large production volume requires multi-level strengthening, it can be used figure 2 or 3 options. All the other are with embodiment 1.

Embodiment 3

[0042] Embodiment 3, the embodiment of the reactor of other forms is as Figure 7-13 , 20-28. All the other are with embodiment 1. When the diameter of reactor 1 is bigger, can adopt hollow piston 5, refer to Figure 7 , 8 , 26-28.

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Abstract

The invention relates to a technological method and technological equipment for producing biodiesel from rape seed oil and aims to improve the production efficiency, transformation ratio, composition and quality of the biodiesel and solve the technical problems of low efficiency, poor effect, narrow application range, unavailable continuous operation and the like in the prior art. Key points of the technical scheme are that: catalyst-containing methanol and rape seed oil components are continuously input from the inlet of a reactor according to an appropriate proportion; and the reactor is provided with an oscillating strengthening equipment so as to enhance reaction effect, control product composition and increase reaction speed. After the reaction is finished under appropriate frequency and amplitude, a product flows out from the outlet of the reactor and is separated, rinsed and dewatered. The flow state, retention period, product composition and transformation ratio of a material can be regulated and controlled or laminar flow of the material is achieved by regulating and controlling the piston frequency and amplitude of the strengthening equipment. The strengthening device has high adjustment elasticity, wide application range and capability of meeting various reaction conditions by adjusting the movement velocity, geometry, size and space position of a piston driving mechanism or replacing a baffle plate.

Description

technical field [0001] The invention relates to a process and equipment for producing biodiesel from rapeseed oil, belonging to the fields of energy, chemistry and chemical industry. Background technique [0002] Mineral oil is gradually being exhausted, and the rising price poses a severe test to the world economy. Countries all over the world are affected by the soaring oil price; the damage to the environment caused by traditional fuels is becoming more and more serious, and it is imminent to find renewable and environmentally friendly energy. Biodiesel (fatty acid methyl ester) is a renewable, efficient, safe and clean energy. It has many advantages that are beyond the reach of petrochemical diesel and are urgently needed by human beings: 1. Renewable and inexhaustible, it will truly realize the eternal energy sustainable use, maintain and promote the coordinated and sustainable development of resources, environment, and social economy. 2. No pollution. Unlike mineral ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/00C11C3/04C10L1/02
CPCY02E50/13Y02E50/10
Inventor 朱国林朱瑞林
Owner 朱瑞林
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