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Seaweed pyrolysis oil making system and method thereof

An oil system, pyrolysis technology, applied in the petroleum industry, direct heating dry distillation, preparation of liquid hydrocarbon mixtures, etc., to achieve the effects of avoiding heat loss, saving drying costs, and fast heating efficiency

Active Publication Date: 2018-11-30
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are almost no comprehensive utilization devices for the by-product semi-coke and non-condensable gas in the process of rapid pyrolysis of seaweed to produce bio-oil

Method used

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  • Seaweed pyrolysis oil making system and method thereof
  • Seaweed pyrolysis oil making system and method thereof
  • Seaweed pyrolysis oil making system and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] An oil production method according to the seaweed pyrolysis oil production system, comprising the following steps:

[0056] Step S1, sending the dried seaweed particles into the storage bin 1, and then into the pyrolysis device 3 via the feeding device 2;

[0057] Step S2, seaweed particles are pyrolyzed in the pyrolysis device 3, using microwave heating method, the heating rate is fast, meeting the requirements of fast pyrolysis, and the pyrolysis reaction is carried out at a temperature of 500 ° C, under normal pressure, inert gas nitrogen atmosphere to produce crude bio-oil, semi-coke and non-condensable gas. After the crude bio-oil and non-condensable gas are separated by the oil-gas separator 5, the crude bio-oil is stored in the oil storage device 6. After the non-condensable gas passes through the gas purification device 4, the main Mainly carbon dioxide and water vapor are passed into the gasification device 7 as part of the gasification agent, and the semi-coke...

Embodiment 2

[0062] An oil production method according to the seaweed pyrolysis oil production system, comprising the following steps:

[0063] Step S1, sending the dried seaweed particles into the storage bin 1, and then into the pyrolysis device 3 via the feeding device 2;

[0064] Step S2, seaweed particles are subjected to pyrolysis reaction in the pyrolysis device 3, using microwave heating method, the heating rate is fast, which meets the requirements of rapid pyrolysis, and the pyrolysis reaction is carried out at a temperature of 525 ° C, under normal pressure, inert gas nitrogen atmosphere to produce crude bio-oil, semi-coke and non-condensable gas. After the crude bio-oil and non-condensable gas are separated by the oil-gas separator 5, the crude bio-oil is stored in the oil storage device 6. After the non-condensable gas passes through the gas purification device 4, the main Mainly carbon dioxide and water vapor are passed into the gasification device 7 as part of the gasificati...

Embodiment 3

[0069] An oil production method according to the seaweed pyrolysis oil production system, comprising the following steps:

[0070] Step S1, sending the dried seaweed particles into the storage bin 1, and then into the pyrolysis device 3 via the feeding device 2;

[0071] Step S2, seaweed particles are pyrolyzed in the pyrolysis device 3, using microwave heating method, the heating rate is fast, meeting the requirements of fast pyrolysis, and the pyrolysis reaction is carried out at a temperature of 550 ° C, under normal pressure, inert gas nitrogen atmosphere to produce crude bio-oil, semi-coke and non-condensable gas. After the crude bio-oil and non-condensable gas are separated by the oil-gas separator 5, the crude bio-oil is stored in the oil storage device 6. After the non-condensable gas passes through the gas purification device 4, the main Mainly carbon dioxide and water vapor are passed into the gasification device 7 as part of the gasification agent, and the semi-coke...

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Abstract

The invention provides a seaweed pyrolysis oil making system and a method thereof. The seaweed pyrolysis oil making system comprises a pyrolysis device, an oil-gas separator, an oil storage device, agas purification device, a gasification device, a cyclone separation device and a hydrothermal device, wherein the upper end of the pyrolysis device is connected with the oil-gas separator; the upperend of the oil-gas separator is connected with the gasification device through the gas purification device, and the lower end of the oil-gas separator is connected with the oil storage device; the lower end of the pyrolysis device is connected with the gasification device; the gasification device is connected with the hydrothermal device through the cyclone separation device; noncondensable gas generated by the pyrolysis of the pyrolysis device can be used as gasification agent used for gasification reaction, semicoke generated by pyrolysis is taken as a gasification raw material, reductive gas generated by gasification participates in hydrothermal reaction to improve the oil production efficiency of a hydrothermal liquidation process. According to the seaweed pyrolysis oil making system,byproducts in a seaweed pyrolysis process can be effectively utilized, in addition, the oil product and the yield of hydrothermal liquefaction bio-oil can be improved, and meanwhile, system energy useefficiency is high.

Description

technical field [0001] The invention belongs to the technical field of biological oil production, and in particular relates to a seaweed pyrolysis oil production system and a method thereof. Background technique [0002] The rapid pyrolysis of biomass to produce bio-oil is a potential technology that alleviates my country's energy crisis, so it has received extensive attention and research. Patents with application numbers CN200810236728.9, CN201310278609.0, CN201410307991.8 and CN201520755851.7 disclose devices and methods for biomass pyrolysis to produce oil. However, these patents are mainly aimed at improving the yield and quality of bio-oil, and do not systematically utilize the by-product semi-coke and non-condensable gas in the process of biomass pyrolysis. At the same time, these pyrolysis bio-oil devices are mainly aimed at terrestrial biomass, such as rice husks and straws. In fact, seaweed is an important part of biomass, but there are few devices for pyrolysis ...

Claims

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Application Information

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IPC IPC(8): C10B49/02C10B49/16C10B53/02C10G1/00
CPCC10B49/02C10B49/16C10B53/02C10G1/00Y02E50/10
Inventor 胡亚敏王爽商昊曹斌袁川王谦
Owner JIANGSU UNIV
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