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Blowing system of self-powered biomass direct fired furnace

A blower system and biomass technology, applied in combustion methods, electrical components, combustion equipment, etc., can solve the problems of unusable chimney heat, low energy utilization rate, and loss of electric energy, so as to improve power generation and heat utilization rate , Increase power generation, increase the effect of temperature difference

Inactive Publication Date: 2018-10-23
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The secondary air of the existing biomass direct-fired furnace is usually blown by a blower, which consumes electric energy, and the heat discharged from the chimney cannot be used, resulting in large waste and low utilization rate

Method used

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  • Blowing system of self-powered biomass direct fired furnace
  • Blowing system of self-powered biomass direct fired furnace
  • Blowing system of self-powered biomass direct fired furnace

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Experimental program
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Embodiment 1

[0023] Embodiment 1: as Figure 1-Figure 3 As shown, a self-powered biomass direct-fired furnace blast system includes a blower 1 and a thermoelectric generator 2, and the thermoelectric generator 2 is fixedly installed on the chimney 3 in a ring, and an annular air duct 4 is arranged outside the thermoelectric generator 2. The air inlet of the air duct 4 is connected to the blower 1 through the air inlet pipe 5, and the air outlet is connected to the secondary air outlet 7 connected to the furnace 13 through the air outlet pipe 6. The secondary air outlet 7 is arranged in the lower part of the biomass direct combustion furnace 8, and the air blower The air outlet of 1 is provided with a tapering tuyere 17, which can reduce wind resistance, and the smoke outlet of the biomass direct combustion furnace is connected to the chimney 3, and the furnace bottom 22 is arranged at the bottom for ash discharge and primary air intake.

[0024] Preferably, the above-mentioned annular air ...

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Abstract

The invention discloses a blowing system of a self-powered biomass direct fired furnace. The system comprises an air blower and a temperature difference generator, wherein the temperature difference generator is annularly and fixedly mounted on a chimney, an annular air duct is arranged out of the temperature difference generator, an air inlet of the annular air duct is connected to the air blowerthrough an air inlet pipe, an air outlet of the annular air duct is connected to a secondary tuyere communicating to a hearth through an air outlet pipe, and the secondary tuyere is arranged in the lower part of the biomass direct fired furnace. According to the system disclosed by the invention, the air blower blows air to the cold end of the temperature difference generator mounted on the chimney and hot air passing the temperature difference generator is fed into the secondary tuyere communicating to the hearth, so that on the one hand, the temperature of the cold end of the temperature difference generator can be reduced, the temperature difference between the cold end and the hot end is increased, and the generating efficiency is improved; and on the other hand, the temperature of secondary air from the annular air duct of the temperature difference generator is increased to achieve preheating and the secondary air is fed into the hearth, so that stable combustion in the hearth is achieved, and the discharging amount of pollutants is reduced. Heat of exhaust air in the chimney is utilized effectively, and the efficiency of the biomass direct fired furnace is improved.

Description

technical field [0001] The invention relates to a self-powered biomass direct combustion furnace blast system, which belongs to the technical field of biomass combustion furnaces. Background technique [0002] The secondary air of the existing biomass direct-fired furnace is usually blown by a blower, which consumes electric energy, and the heat discharged from the chimney cannot be used, resulting in large waste and low utilization rate. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a self-powered biomass direct combustion furnace blast system to solve the above-mentioned problems in the prior art. [0004] The technical solution adopted by the present invention is: a self-powered biomass direct-fired furnace blast system, including a blower and a thermoelectric generator, the thermoelectric generator is ring-shaped and fixedly installed on the chimney, and an annular air duct is arranged outside the thermoele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23L9/00H02N11/00
CPCF23L9/00H02N11/002
Inventor 李杰崔佩霖张振华张小勇龚德鸿
Owner GUIZHOU UNIV
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