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Fluidized bed reactor for preparing bio-oil from molten salt biomass, reaction system and application of fluidized bed reactor

A fluidized bed reactor and molten salt technology, applied in the field of reaction systems, can solve the problems of high energy loss, low efficiency of pyrolysis and gasification, and large heat loss of particles, so as to reduce heat loss and biomass pyrolysis and gasification High efficiency and high efficiency pyrolysis gasification effect

Pending Publication Date: 2022-07-29
NORTHEAST GASOLINEEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention is that the pyrolysis gasification efficiency of the fixed bed biomass gasification reactor in the prior art is low, the heat loss of the high-temperature discharged particles is large, and the high-pressure drop bed material of the fluidized bed biomass gasification furnace brings high energy. Loss and local high-temperature coking problems, a fluidized bed reactor for producing bio-oil from molten salt biomass is provided, using molten salt as a fluidized carrier and heat carrier for recycling, and the fluidized bed is a pyrolysis reactor. Biomass is pyrolyzed and gasified in a high-temperature environment, and then condensed to produce biomass oil and combustible gas for utilization

Method used

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  • Fluidized bed reactor for preparing bio-oil from molten salt biomass, reaction system and application of fluidized bed reactor

Examples

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Embodiment 1

[0035] like figure 1 As shown, Example 1 proposes a fluidized bed reactor for producing bio-oil from molten salt biomass, including a first chamber 100 and a second chamber 200, and the first chamber 100 and the second chamber 200 Communication is through channel structure 300 .

[0036] The first chamber 100 is provided with a reaction chamber 110 , a biomass particle feeding device 120 , a high temperature molten salt chamber 130 , a molten salt circulation device 140 , a first discharge port 150 and a second discharge port 160 .

[0037] Both the biomass particle feeding device 120 and the high-temperature molten salt chamber 130 are communicated with the reaction chamber 110 , and the high-temperature molten salt chamber 130 is arranged on the upper part of the reaction chamber 110 .

[0038] The first discharge port 150 is located at the lower part of the reaction chamber 110 , and the second discharge port 160 is located at the upper part of the reaction chamber 110 . ...

Embodiment 2

[0054] Embodiment 2 proposes to utilize the device of embodiment 1 to carry out the method for preparing bio-oil, comprising the steps:

[0055] (1) Add high temperature molten salt through the high temperature molten salt chamber 130, the first molten salt outlet 142, the second molten salt outlet 143, the third molten salt outlet 144 and the high temperature molten salt through the biomass pellet feeding device 120. The biomass particles in the reaction chamber 110 undergo a pyrolysis reaction in an oxygen-free environment at a temperature of 530° C. to obtain pyrolysis gas and sludge particles, and the sludge particles pass through the first discharge port 150 and the second discharge port 150 respectively. The discharge port 160 is discharged, the pyrolysis gas is passed into the cooling chamber 210, and the reacted molten salt is returned to the high temperature molten salt chamber 130 or the reaction chamber 110 through the molten salt circulation device 140; The high te...

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Abstract

The invention discloses a fluidized bed reactor for preparing bio-oil by using molten salt biomass, which comprises a first chamber and a second chamber, and the first chamber is communicated with the second chamber through a channel structure; the first cavity is provided with a reaction chamber, a biomass particle feeding device, a high-temperature molten salt chamber, a molten salt circulating device, a first discharge port and a second discharge port, the biomass particle feeding device and the high-temperature molten salt chamber are both communicated with the reaction chamber, the high-temperature molten salt chamber is arranged at the upper part of the reaction chamber, the first discharge port is located at the lower part of the reaction chamber, and the second discharge port is located at the lower part of the reaction chamber; the second discharge port is positioned at the upper part of the reaction chamber. According to the fluidized bed reactor, molten salt is used as a fluidized carrier and a heat carrier for cyclic utilization, the fluidized bed is used as a pyrolysis reactor, biomass is pyrolyzed and gasified in a high-temperature environment, and then the biomass is condensed to prepare biomass oil and combustible gas for utilization.

Description

technical field [0001] The invention belongs to the technical fields of waste resource utilization, oilfield ground gathering and transportation and environmental treatment, and particularly relates to a fluidized bed reactor for producing biological oil by utilizing molten salt biomass, a reaction system and applications thereof. Background technique [0002] Biomass is an important renewable energy, mainly agricultural waste and wood waste, widely distributed and huge. Biomass has the following characteristics: (1) Renewable; (2) Low pollution, biomass sulfur content, nitrogen content is low, SO produced in the combustion process 2 , NO 2 Low, when biomass is used as fuel, the net carbon dioxide emission is close to zero, which can effectively reduce the greenhouse effect; (3) Wide distribution, biomass gasification not only reduces the environmental pollution caused by biomass burning, Moreover, the utilization effect of biomass is improved, and an effective way is prop...

Claims

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Application Information

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IPC IPC(8): C10G1/00C10B53/02B01J8/18
CPCC10G1/00C10B53/02B01J8/1872B01J8/1836Y02E50/10
Inventor 王淑彦邵宝力田瑞超袁子涵谢磊陈羽佳
Owner NORTHEAST GASOLINEEUM UNIV
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