Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Vertical environment-friendly boiler for triple dedusting burning wood and biomass particle fuel in boiler

A technology of pellet fuel and wood pellets, applied in the field of boilers, can solve the problems of insufficient burning of carbon particles, high dust concentration of boilers, large excess air coefficient, etc., so as to reduce the heat loss of incomplete combustion of gas and suppress the blackening of boilers. Smoke, fast burning effect

Inactive Publication Date: 2012-03-28
袁福林
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a three-time dust removal in the furnace and burn woody biomass pellet fuel vertical environmental protection boiler, overcome the existing woody biomass pellet fuel vertical boiler with insufficient carbon embers and high original dust concentration of the boiler, The dust removal effect in the furnace is poor, and black smoke is emitted; the heat transfer coefficient of the convection heating surface is low, and the thermal efficiency is low; negative pressure combustion, the combustion speed of combustible gas is slow, and the excess air coefficient in the smoke exhaust area is large, and the auxiliary equipment blower, induced draft fan and dust collector make the boiler The smoke and wind system is complex, high investment, large area, not easy to scale up, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vertical environment-friendly boiler for triple dedusting burning wood and biomass particle fuel in boiler
  • Vertical environment-friendly boiler for triple dedusting burning wood and biomass particle fuel in boiler
  • Vertical environment-friendly boiler for triple dedusting burning wood and biomass particle fuel in boiler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023]The woody biomass pellet fuel falls into the pellet fuel combustion chamber 24 from the stepless speed-regulating screw feeding device 23 with seeding and cooling wind. Most of the gasification process is completed, and the combustible gas and flue gas produced flow out from the swirling air outlet in the high-temperature regenerative combustion furnace arch 7 with a built-in inclined rotating air outlet to remove dust and start to ignite here, after which the combustible gas and smoke The gas is completely burned in the adiabatic gas combustion chamber 9 to produce high-temperature flue gas. The high-temperature flue gas goes up through the middle channel of the middle heat exchanger seat and enters the inner tank 17 for radiation heat release, and then the hot flue gas enters the downward threaded smoke pipe 18 for convective heat release, and then the hot flue gas enters the middle smoke through the outlet of the second downward threaded smoke pipe The gas turns to th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a vertical environment-friendly boiler for triple dedusting burning wood and biological particle fuel in a boiler, belonging to heating technology. The invention is used for burning wood and biological particles to obtain hot water or steam, and overcomes the defects of black smoke emission, low thermal efficiency, and the like of the similar traditional boilers. The boiler comprises a wind chamber, a fire grate, a carbon powder and gas burning hearth, a first wind inlet, a secondary wind inlet, and a heat exchanger above the hearth. The boiler is characterized in that the hearth is provided with a porous boiler crown of an inclined air vent; the upper end of an inner liner is provided with a smoke blocking wall; a downward screwed smoke tube is arranged between the wall of the inner liner and a lower end socket; an upward screwed smoke tube penetrates through an upper closing plate and a lower closing plate; and a heat exchanger seat of a smoke diversion dedusting chamber in the shape of a ring cavity is arranged on the circumference of the lower end of the heat exchanger. The invention has the advantages of sufficient burning of carbon powders, sufficient gasification and high thermal efficiency. Smoke is dedusted three times in the boiler, and the exhausted smoke has low dust capacity. The invention can be manufactured in a split mode, and is convenient to transport. The tonnage can be greatly increased.

Description

technical field [0001] The invention belongs to the technical field of boilers, and in particular relates to a vertical boiler burning woody biomass particle fuel. Background technique [0002] Biomass energy is a new type of clean and renewable energy vigorously promoted by the country. With the shortage of coal, oil, and natural gas resources and rising prices; increasingly stringent environmental protection emission requirements for boilers; and coal restrictions in some large and medium-sized cities, The utilization of biomass energy has been paid more and more attention. The use of vertical boilers is large and wide. It has the characteristics of small footprint, flexible start and stop operation, low boiler cost, convenient transportation and installation, easy operation and high degree of automation. At present, hotels, schools, government agencies, hospitals, and small businesses in some large and medium-sized cities all use vertical boilers that burn diesel, natura...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F23B90/06F23J11/00F23K3/14F23M5/06
Inventor 袁福林
Owner 袁福林
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products