CN203364120U - Biomass particle burner - Google Patents

Biomass particle burner Download PDF

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Publication number
CN203364120U
CN203364120U CN 201320343025 CN201320343025U CN203364120U CN 203364120 U CN203364120 U CN 203364120U CN 201320343025 CN201320343025 CN 201320343025 CN 201320343025 U CN201320343025 U CN 201320343025U CN 203364120 U CN203364120 U CN 203364120U
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CN
China
Prior art keywords
air
chamber
wind
biomass particle
burner
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Active
Application number
CN 201320343025
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Chinese (zh)
Inventor
单明
吴金山
李佳蓉
赵春生
李定凯
杨旭东
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Beijing future blue sky Technology Co., Ltd.
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Tsinghua University
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Priority to CN 201320343025 priority Critical patent/CN203364120U/en
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Publication of CN203364120U publication Critical patent/CN203364120U/en
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Abstract

The utility model discloses a biomass particle burner, and belongs to the technical field of biomass burning equipment. The biomass particle burner mainly comprises a material box, a feeding device, an air supplying pipe, a burning chamber, a grate, a draught fan and an air valve. The burning chamber is a double-layer cylinder with the upper end open, and is divided into an upper furnace and a lower air chamber through the grate. A circle of secondary air outlets are evenly distributed on the inner wall of the upper end of the burning chamber. The grate is a hole-plate-type grate which can turn over around a center shaft. The air supplying pipe is composed of a primary air supplying pipe and a secondary air supplying pipe. One end of one air duct and one end of the other air duct are connected with the air chamber of the burning chamber and an annular air cavity respectively, and the other end of one air duct and the other end of the other air duct are connected with an air supplying chamber through air valves. The air supplying chamber provided with the draught fan is provided with a primary air regulating valve and a secondary air regulating valve. The biomass particle burner is suitable for a traditional firewood stove, is simple in overall structure, easy to machine and convenient to use, and has wide application prospects.

Description

A kind of biomass particle burner
Technical field
The utility model relates to a kind of biomass particle burner, belongs to the biomass combustion equipment technical field.
Background technology
The current rural areas in our country directly common bavin kitchen range of burning firewood, stalk that extensively distributing, these bavin kitchen range have the advantages such as fuel tolerance is strong, operating cost is low, but the drawbacks such as ubiquity inefficiency in use procedure, indoor pollution are serious, can not meet the demand that peasant household promotes quality of the life.Consider that there are these biolobic material energy resources of abundant agricultural solid residue in rural area, utilize the granular fuel that they produce, it is a kind of high-grade fuel, have that storage area is little, efficiency of combustion is high, pollutant emission is few, the characteristics such as " zero carbon emission ", if adopt rational combustion system that itself and common bavin kitchen range are organically combined, will be a kind of to traditional energy using technology carry out the practicality of clean and effective transformation, preferably with feasibleization scheme.
Granted publication number for the Chinese utility model patent of CN201269522Y discloses a kind of biomass granule material combustor, comprises feed system, air feed system, combustion system.Feed system comprises the material pipe, is arranged on and expects that pipe interior feeding packing auger, reducing motor, hopper air feed system comprise that blower fan, air-supply materials in the tube pipe are positioned at the ajutage upper parallel and arrange in the same way, combustion system is provided with bellows, the burning charging tray as the end face fixed connection of bellows at the bellows top, be provided with air vent on the burning charging tray, the ajutage of bellows and air feed system connects, the material pipe of burning charging tray and feed system connects, and at ajutage, with on the material pipe, is provided with an adpting flange that can be connected with heating boiler.This burner adopts automatic feeder, complex structure, and cost is high, a little less than adaptability, and lacks secondary blast, is difficult to solve the problems such as efficiency of combustion is low, disposal of pollutants is high, is not suitable for promoting on the common bavin kitchen range of vast rural area.
The utility model content
The purpose of this utility model is to solve that the efficiency of combustion that the existing bavin kitchen range in rural area exists is low, the high deficiency of disposal of pollutants, be devoted to provide a kind of and the existing bavin kitchen range in rural area flexibly in conjunction with, the biomass particle burner that easy to use, pollutions is lower and operating cost is low, thereby use and can and improve the requirement of the aspects such as IAQ in energy-saving and emission-reduction fundamentally meeting countryside kitchen work.
Technical solutions of the utility model are as follows:
A kind of biomass particle burner is characterized in that: described burner contains hopper, feed arrangement, blower fan, ajutage and combustion chamber; The double-layered cylinder that described combustion chamber is a upper end open forms an annular wind chamber between the ectonexine cylinder; Described combustion chamber is separated into two spaces by fire grate, and top is burner hearth, and bottom is air compartment; Described ajutage is comprised of blast pipe and secondary wind inleting tube, and one time blast pipe one end is connected with plenum chamber by a wind control valve, and the other end is connected with the air compartment of bottom, combustion chamber; One end of described secondary wind inleting tube is connected with plenum chamber by the secondary air adjustor valve air-valve, and the other end is connected with described annular wind chamber; Be uniformly distributed a circle Secondary Air air outlet on the inner layer cylinder wall of combustion chamber.
Another technical characterictic of the present utility model is: described feed arrangement comprises the feed pipe that is connected with hopper and is arranged on the feeding packing auger in feed pipe, and an end of feeding packing auger is connected with the charging aperture of burner hearth, and the other end arranges wind.
The another technical characterictic of the utility model is: described Secondary Air air outlet adopts oblique air outlet.Described fire grate adopts can be around the orifice-plate type fire grate of central shaft upset, and the above is evenly arranged the through hole that a plurality of diameters are 3-5mm.
The utlity model has following advantage and beneficial effect: 1. by increasing secondary blast, make burning more abundant, reduce Fuel Consumption and the pollutant discharge amounts such as CO, PM; Realize adjustable arbitrarily to wind and Secondary Air proportioning and flame intensity by increasing wind control valve and secondary air adjustor valve; 2. adopt turnover orifice-plate type fire grate, remaining residual ash and slagging scorification after each cooking can be fallen clearly in time, avoid stopping up fire grate and combustion chamber; 3. adopt oblique Secondary Air air outlet, increased the contact area of Secondary Air and combustible component, mix more evenly, second-time burning is more abundant; 4. realize that by increasing wind the living beings charging is in time with quantitative manually controlled arbitrarily; 5. the utlity model has the modularization characteristics, overall structure is simple, and handling ease is easy to operate.
The accompanying drawing explanation
The plan structure schematic diagram of a kind of biomass particle burner that Fig. 1 provides for the utility model.
The A-A profile that Fig. 2 is Fig. 1.
The B-B profile that Fig. 3 is Fig. 2.
In figure, each parts mean: the 1-hopper; The 2-feed pipe; The 3-feeding packing auger; Wind ajutage of 4a-; 4b-Secondary Air ajutage; The 5-combustion chamber; The 6-fire grate; The 7-wind; The 8-blower fan; Wind control valve of 9a-; The 9b-secondary air adjustor valve; 10-Secondary Air air outlet; 11-annular wind chamber; The 12-burner hearth; The 13-air compartment.
The specific embodiment
Below in conjunction with accompanying drawing, operation principle of the present utility model, concrete structure are further described.
The plan structure schematic diagram of a kind of biomass particle burner that Fig. 1 provides for the utility model, the A-A profile that Fig. 2 is Fig. 1.
This device contains hopper 1, feed arrangement, blower fan 8, ajutage 4 and combustion chamber 5; The double-layered cylinder that combustion chamber 5 is a upper end open forms annular wind chamber 11 between the ectonexine cylinder; Combustion chamber 5 is separated into two spaces by fire grate 6, and top is burner hearth 12, and bottom is air compartment 13; Ajutage is comprised of blast pipe 4a and secondary wind inleting tube 4b, and one time blast pipe 4a mono-end is connected with blower fan by a wind control valve 9a, and the other end is connected with the air compartment 13 of bottom; The end of secondary wind inleting tube 4b is connected with blower fan 8 by secondary air adjustor valve 9b, and the other end is connected with annular wind chamber 11; Be uniformly distributed a circle Secondary Air air outlet 10 on the 5 inner layer cylinder walls of combustion chamber, described Secondary Air air outlet adopts oblique air outlet (as shown in Figure 3).
Feed arrangement comprises feed pipe 2 and the feeding packing auger 3 be arranged in feed pipe 2, and an end of feeding packing auger 3 is connected with the charging aperture of burner hearth 12, and the other end is connected with wind 7; Fire grate 6 adopts can be around the orifice-plate type fire grate of central shaft upset, and the above is evenly arranged the through hole that a plurality of diameters are 3-5mm.
Principle of the present utility model and the course of work are as follows:
Biomass fuel when common air feed burning, but still can the volatile fraction burning fume, this device arranges the Secondary Air air outlet, and the oblique air-out of Secondary Air air outlet, increased the contact area of Secondary Air and combustible component, be conducive to the abundant burning of fuel, and then reduced and pollute and discharge.
This device stretched into to chamber of a kitchen range inside from bavin kitchen range side and be fixed, first in hopper, add a certain amount of biomass granule fuel during use, gradually fuel is delivered into to the burner hearth on top, combustion chamber with hand toward a direction rotation wind, then the mouth of igniting from bavin kitchen range front is put into a small amount of priming mixture, rear blower fan, the wind control valve opened respectively ignites, open secondary air adjustor valve after the flare grow, imflammable gas and solid constituent that gasification is produced are further burnt again; Carrying out along with combustion process, fuel quantity in combustion chamber is fewer and feweri, at this moment can continue to rotate wind a small amount of biomass granule fuel is delivered into to combustion chamber, and regulate the opening angle of wind control valve and secondary air adjustor valve according to required flame intensity, constantly repeat said process, until complete a cooking activity; While wanting to finish cooking with fire; first stop in advance feeding in raw material in hopper; then fully rotate wind; particulate material remaining in feed pipe all is delivered into to combustion chamber; the orifice-plate type fire grate of upset bottom, combustion chamber after ceasing fire fully; residue charcoal in combustion chamber and ash are graded and all fall into the nethermost grey thorax of bavin kitchen range, so that cleaning.
The utility model is simple in structure, and processing ease can be widely used on the existing traditional bavin kitchen range in rural area, realizes the high-efficiency cleaning burning.

Claims (4)

1. a biomass particle burner is characterized in that: described burner contains hopper (1), feed arrangement, blower fan (8), ajutage (4) and combustion chamber (5); The double-layered cylinder that described combustion chamber (5) is a upper end open forms an annular wind chamber (11) between the ectonexine cylinder; Described combustion chamber (5) is separated into two spaces by fire grate (6), and top is burner hearth (12), and bottom is air compartment (13); Described ajutage is comprised of a blast pipe (4a) and secondary wind inleting tube (4b), and a blast pipe (4a) end is connected with plenum chamber by a wind control valve (9a), and the other end is connected with the air compartment (13) of bottom, combustion chamber (5); One end of described secondary wind inleting tube (4b) is connected with plenum chamber by secondary air adjustor valve (9b) air-valve, and the other end is connected with described annular wind chamber (11); Be uniformly distributed a circle Secondary Air air outlet (10) on the inner layer cylinder wall of combustion chamber (5).
2. according to a kind of biomass particle burner claimed in claim 1, it is characterized in that: described feed arrangement comprises the feed pipe (2) be connected with hopper and is arranged on the feeding packing auger (3) in feed pipe, one end of feeding packing auger (3) is connected with the charging aperture of burner hearth (12), and the other end arranges wind (7).
3. according to a kind of biomass particle burner claimed in claim 1, it is characterized in that: described Secondary Air air outlet (10) adopts oblique air outlet.
4. according to the described a kind of biomass particle burner of the arbitrary claim of claim 1~3, it is characterized in that: described fire grate (6) adopts can be around the orifice-plate type fire grate of central shaft upset, and the above is evenly arranged the through hole that a plurality of diameters are 3-5mm.
CN 201320343025 2013-06-14 2013-06-14 Biomass particle burner Active CN203364120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320343025 CN203364120U (en) 2013-06-14 2013-06-14 Biomass particle burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320343025 CN203364120U (en) 2013-06-14 2013-06-14 Biomass particle burner

Publications (1)

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CN203364120U true CN203364120U (en) 2013-12-25

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CN (1) CN203364120U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034025A (en) * 2014-06-17 2014-09-10 浙江地中海新能源设备有限公司 Biomass boiler
CN105505468A (en) * 2015-12-30 2016-04-20 广西节得乐生物质能源科技有限公司 Industrial boiler biomass gasification supply equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034025A (en) * 2014-06-17 2014-09-10 浙江地中海新能源设备有限公司 Biomass boiler
CN105505468A (en) * 2015-12-30 2016-04-20 广西节得乐生物质能源科技有限公司 Industrial boiler biomass gasification supply equipment

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20181025

Address after: 102100 Beijing Yanqing District Zhongguancun Yanqing garden breeze four road 8 hospital 27 building 1780

Patentee after: Beijing future blue sky Technology Co., Ltd.

Address before: 100084 Beijing Haidian District Beijing 100084 box 82 box, Tsinghua University Patent Office

Patentee before: Tsinghua University

TR01 Transfer of patent right