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Spiral-pulsed type pneumatic hybrid feeder for mobile biomass pyrolysis

A biomass pyrolysis and screw feeder technology, used in the preparation of biofuels, liquid hydrocarbon mixtures, special forms of dry distillation, etc., can solve problems such as clogging, high temperature carbonization, etc. The effect of controllable and safe feeding process

Inactive Publication Date: 2015-09-02
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

[0007] The purpose of this invention is to propose a spiral-pulse pneumatic mixed feeder for mobile biomass pyrolysis to solve the problem of blockage caused by high temperature and easy carbonization accumulation in the current biomass feeding process, making it suitable for The feeder with stable and adjustable conveying distance and high temperature without carbonization blockage effectively solves the problem of fluidized bed rapid solution of high temperature carbonization in the feeding process

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  • Spiral-pulsed type pneumatic hybrid feeder for mobile biomass pyrolysis

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Embodiment Construction

[0015] The spiral-pulse pneumatic mixing feeder for mobile biomass pyrolysis proposed by the present invention has a structure such as figure 1 As shown, it includes a speed regulating motor 13, a hopper 1, a screw feeder 2, a first inclined feeding pipe 4, a second inclined feeding pipe 5, a primary solenoid valve 11, a secondary solenoid valve 9, and a primary nozzle 10 , secondary nozzle 7 and carrier gas bottle 12. The output shaft of the speed-regulating motor 13 is connected with the rotating shaft of the screw feeder 2, the bottom of the hopper 1 is connected with the feed port of the screw feeder 2, and the discharge port of the screw feeder 2 is connected with the upper conveying port through the transition joint 3. The feed pipe 14 is connected, and one end of the upper feed pipe 14 is provided with a first-stage nozzle 10, and the first-stage nozzle 10 is connected with the carrier gas bottle 12 through the first air pipe 16, and the first air pipe 16 is provided wi...

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Abstract

The invention relates to a spiral-pulsed type pneumatic hybrid feeder for mobile biomass pyrolysis and belongs to the technical field of biomass pyrolysis. The feeder comprises a spiral feeding device, inclined delivery pipes, solenoid valves and nozzles. The discharge port of the spiral feeding device is connected to an upper horizontal delivery pipe and the inclined delivery pipe through a transition joint and is connected to a lower horizontal delivery pipe and the inclined delivery pipe, gas of a gas bottle is sprayed through the nozzles, the nozzles are capable of adjusting the feeding amount and preventing reverse spraying, the feeding process is controllable and safe, and the reliability of the producing process is improved. The feeding port advanced charring and plugging problems can be solved, the process requirements of fast biomass pyrolysis can be met, the pyrolysis equipment producing and maintaining time can be shortened, the pyrolysis oil producing efficiency is improved, the maintaining cost is reduced effectively, and the technology guaranteeing effect can be achieved for large-scale pyrolysis production development.

Description

technical field [0001] The invention relates to a spiral-pulse pneumatic mixing feeder for mobile biomass pyrolysis, belonging to the technical field of biomass pyrolysis. Background technique [0002] Biomass energy occupies an important position in the new energy that is constantly being valued. Fast pyrolysis technology is getting more and more attention in China, and it is one of the important technologies for converting biomass energy. [0003] At present, fluidized bed pyrolysis technology, as one of the most promising pyrolysis technologies, is widely used in the production of pyrolysis oil and biomass charcoal particles. In the process of fluidized bed pyrolysis, it is necessary to reasonably use conveying equipment to transport biomass raw material particles (also known as powder) into the fluidized bed reactor. In order to enable fast pyrolysis or flash pyrolysis of the powder, the fluidized zone in the reactor usually needs to be heated to about 400-550°C, so tha...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10B57/00C10G1/00
CPCY02E50/10
Inventor 司慧吴煜常建民刘洁
Owner BEIJING FORESTRY UNIVERSITY
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