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Method for preparing flammable gas by using peach tree branches of different particle diameters

A peach tree and gas technology, applied in the field of biomass energy utilization, can solve the problems of poor gas quality, difficult ignition, unstable gas production, etc., and achieve the effect of realizing resource utilization and overcoming ignition difficulties

Inactive Publication Date: 2012-06-27
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] After searching the literature of the existing technology, it is found that most of the current biomass gasifiers are suitable for processing agricultural waste such as straw and corncobs, and there are strict requirements on the particle size of the material. Generally, the particle size of the raw material is required to be ≤3cm. Different types and scales of gasifiers have different requirements on the particle size range of biomass. If the particle size range of biomass is not suitable, the gasifier is prone to disadvantages such as difficult ignition, unstable gas production, and poor gas quality during operation.

Method used

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  • Method for preparing flammable gas by using peach tree branches of different particle diameters
  • Method for preparing flammable gas by using peach tree branches of different particle diameters
  • Method for preparing flammable gas by using peach tree branches of different particle diameters

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Experimental program
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Effect test

Embodiment 1

[0023] ① Raw material preparation: collect the discarded peach branches (diameter less than 1cm) after pruning, and spread them on the open space to dry naturally, so that the moisture content is less than 15%.

[0024] ② Cutting: Cut it into strips with a length of 2 to 3 cm with a hay cutter.

[0025] ③Gasifier pre-feeding: open the soot removal door of the gasifier, fill the lower part of the gasifier with an appropriate amount of lump charcoal; then add a little lump charcoal from the gasifier feed port, and add it to the limit below the throat nozzle; After adding charcoal, add granular fuel to the gasifier. The granular fuel should be added to the lower edge of the slope in the furnace; after adding granular fuel, add a small amount of easy-to-burn materials for ignition when lighting the furnace.

[0026] ④ Ignition preparation: Check whether the drive shaft of the Roots blower can be turned by hand. If not, inject an appropriate amount of industrial alcohol from the cl...

Embodiment 2

[0032] ① Raw material preparation: collect discarded peach branches (1-2 cm in diameter) after pruning, and spread them on the open space to dry naturally, so that the moisture content is less than 15%.

[0033] ② Cutting: Cut it into strips with a length of 2 to 3 cm with a hay cutter.

[0034] ③Gasifier pre-feeding: open the soot removal door of the gasifier, fill the lower part of the gasifier with an appropriate amount of lump charcoal; then add a little lump charcoal from the gasifier feed port, and add it to the limit below the throat nozzle; After adding charcoal, add granular fuel to the gasifier. The granular fuel should be added to the lower edge of the slope in the furnace; after adding granular fuel, add a small amount of easy-to-burn materials for ignition when lighting the furnace.

[0035] ④ Ignition preparation: Check whether the drive shaft of the Roots blower can be turned by hand. If not, inject an appropriate amount of industrial alcohol from the cleaning p...

Embodiment 3

[0041] ① Raw material preparation: collect the discarded peach branches (2-4cm in diameter) after pruning, and spread them on the open space to dry naturally, so that the water content is less than 15%.

[0042] ② Cutting: Cut it into strips with a length of 2 to 3 cm with a hay cutter.

[0043] ③Gasifier pre-feeding: open the soot removal door of the gasifier, fill the lower part of the gasifier with an appropriate amount of lump charcoal; then add a little lump charcoal from the gasifier feed port, and add it to the limit below the throat nozzle; After adding charcoal, add granular fuel to the gasifier. The granular fuel should be added to the lower edge of the slope in the furnace; after adding granular fuel, add a small amount of easy-to-burn materials for ignition when lighting the furnace.

[0044] ④ Ignition preparation: Check whether the drive shaft of the Roots blower can be turned by hand. If not, inject an appropriate amount of industrial alcohol from the cleaning p...

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Abstract

The invention discloses a method for preparing flammable gas by using peach tree branches of different particle diameters. The method comprises the following steps of: (1) collecting and airing peach tree branches till the water content is less than 15 percent; (2) cutting the peach tree branches till the lengths are 2-3 centimeters; (3) pre-adding materials into a gasifying furnace: adding an appropriate amount of blocky wood charcoal into the lower part of the gasifying furnace and adding biomass particles into the gasifying furnace to form a particle fuel layer; (5) preparing for ignition: checking a Roots blower, adjusting a loop adjusting valve and starting a spray water pump; and (6) igniting and adding: starting the Roots blower, igniting with waste newspaper, adding a certain quantity of peach tree branch raw materials after a red and hot burning layer is formed by the particle fuel layer, and judging whether flammable gas is produced successfully by igniting a fire test point and checking whether continuous burning is available. In the method, a biomass gasification process is used for transforming the peach tree branches of different particle diameters into flammable gas which can be used by villagers in daily life, so that the thermal energy utilization ratio of biomass is increased, and the resource utilization of waste peach tree branches is realized.

Description

technical field [0001] The invention relates to the technical field of biomass energy utilization, in particular to a method for producing combustible gas through biomass gasification technology using peach branches with different particle sizes. Background technique [0002] Biomass includes wood and forest industrial waste, agricultural waste, aquatic plants, oil plants, municipal solid waste and industrial waste and excrement. It is estimated that the annual energy stored by plants is equivalent to about 10 times of the world's main fuel consumption, while the utilization of energy as energy is less than 1% of the total. [0003] Biomass gasification is a major conversion technology for high-grade utilization of biomass energy. It is an energy conversion process that burns and reduces biomass raw materials in an oxygen-deficient state. It can convert solid biomass raw materials into high-grade combustible gases. , can be used in power devices such as cooking, boilers, he...

Claims

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Application Information

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IPC IPC(8): C10J3/06C10J3/84C10J3/72
CPCY02E50/32Y02E50/30
Inventor 刘荣厚尹仁湛吴晋锴吴小武孙辰
Owner SHANGHAI JIAO TONG UNIV
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