CN203517894U - Kitchen range using biomass granular fuel - Google Patents

Kitchen range using biomass granular fuel Download PDF

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Publication number
CN203517894U
CN203517894U CN201320343000.2U CN201320343000U CN203517894U CN 203517894 U CN203517894 U CN 203517894U CN 201320343000 U CN201320343000 U CN 201320343000U CN 203517894 U CN203517894 U CN 203517894U
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CN
China
Prior art keywords
kitchen range
biomass
air
chamber
granular fuel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201320343000.2U
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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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Tsinghua University
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Tsinghua University
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Priority to CN201320343000.2U priority Critical patent/CN203517894U/en
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Publication of CN203517894U publication Critical patent/CN203517894U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

A kitchen range using biomass granular fuel belongs to the technical field of biomass burning equipment. The kitchen range mainly comprises a cookware and a combustion chamber, wherein a plurality of fins are distributed on the bottom surface of the cookware; in a kitchen range wall, an original grate is replaced by a biomass granular burner; the periphery of the top of the biomass granular burner is provided with a smooth metal reflective panel; the reflective panel is arc-shaped and parallel to the bottom surface of the cookware; and the fins on the bottom of the cookware are arranged in a radial way. The kitchen range burning biomass granular fuel is simply structured with convenient construction and usage; by the use of the kitchen range, high efficient clean burning of biomass fuel cannot only be achieved with reduced pollution emission, but radiation heat loss to the kitchen range wall and the ground by flames can be avoided, so utilization rate of flame radiation heat loss can be improved and heat absorbing area of the cookware can be enlarged; and utilization rate of smoke flow heat by flame is increased and heat efficiency of a common kitchen range can be increased as high as over 40%.

Description

A kind of bavin kitchen range of biomass burning granular fuel
Technical field
The utility model relates to a kind of bavin kitchen range of biomass burning granular fuel, belongs to biomass combustion equipment technical field.
Background technology
China Shi Yige large agricultural country, also be one of the abundantest country of stalk resource, according to relevant statistics (Han Lujia, Yan Qiaojuan, Liu Xiangyang, Hu Jin has. Crop in China stalk resource and utilize present situation, EI, 2002(5): 87~91), China produces the stalk of approximately 600,000,000 4 thousand ten thousand tons for 1999, by calorific value, amount to approximately 3.2 hundred million tons of standard coals, be equivalent to 10% of national total energy consumption in 2009.The rural areas in our country directly burning firewood that extensively distributing for a long time, the common bavin kitchen range of stalk, but the current main mode of utilizing still be take extensive style burning as main, there is inefficiency and the series of problems such as seriously polluted, for example the thermal efficiency of traditional bavin kitchen range only has 18.7%, and PM2.5, higher (the Wei Xiaoming of the Pollutant emission concentrations such as CO, Wei Quanyuan, Wei Xiuying, Xiao Junhua, Chen Xiaofu, Dong Renjie. different cooking stoves and fuel type are on improving the impact of indoor air quality, EI, 2006(10): 236~239), caused thus the unnecessary waste of the serious energy, Indoor Air Pollution with outdoor Air Pollution and physically and mentally healthy harm, therefore, to traditional bavin kitchen range, carry out scientific, rationalize transformation and just become a major issue that is worth further investigation.
Utility model content
The purpose of this utility model is to provide a kind of bavin kitchen range of biomass burning granular fuel, be intended to solve the deficiency that the existing bavin kitchen range in rural area exists, do not changing under the prerequisite of peasant convention cooking custom, significantly promote burning and the heat transfer property of common bavin kitchen range, meet the demand that transformation that traditional bavin kitchen range is carried out to energy-saving and emission-reduction requires and reduces environmental pollution.
Technical solutions of the utility model are as follows:
A bavin kitchen range for biomass burning granular fuel, contains pan and the chamber of a kitchen range, it is characterized in that: the bottom surface of described pan is furnished with a plurality of fins; In the chamber of a kitchen range below pan, be provided with biomass particle burner, and the top of this biomass particle burner (4) is provided with ganoid metal mirror around.
In technique scheme, described reflecting surface is curved surface or arc surface, and identical with the curvature of the bottom surface of pan.Described a plurality of fins (5) be take the bottom of a pan as center of circle radial arrangement, are radial.
Another technical characterictic of the present utility model is: described biomass particle burner contains hopper, feed arrangement, blower fan, ajutage and combustion chamber; Combustion chamber is the double-layered cylinder of a upper end open, forms annular wind chamber between ectonexine cylinder; Combustion chamber is separated into two spaces by fire grate, and top is burner hearth, and bottom is air compartment; Described blower fan is connected with plenum chamber, and plenum chamber outlet is respectively equipped with wind control valve and secondary air adjustor valve; 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 secondary air adjustor valve air-valve, and the other end is connected with described annular wind chamber; On the inner layer cylinder wall of combustion chamber, be uniformly distributed a circle Secondary Air air outlet.
Feed arrangement described in the utility model comprises the feed pipe that is connected with hopper and is arranged on the feeding packing auger in feed pipe, and one end of feeding packing auger is connected with the charging aperture of burner hearth, and the other end arranges wind.Described Secondary Air air outlet adopts oblique air outlet.
Described fire grate adopts the orifice-plate type fire grate around central shaft upset, is evenly arranged the through hole that a plurality of diameters are 3-5mm above.
The utlity model has following advantage and high-lighting effect: 1. by adopting biomass particle burner to replace original fire grate, realized the high-efficiency cleaning burning of biomass fuel, reduced disposal of pollutants; 2. by increasing ganoid metal mirror around at biomass particle burner top, reduce the heat loss through radiation of flame to kitchen range wall and ground, improved the utilization ratio to Fire Radiation heat; 3. by increase fin in pan bottom surface, increase pan heat absorption surface area, improved the utilization ratio of flame to smoke gas flow heat; 4. the utility model is simple in structure, and construction easily, easy to use.
Accompanying drawing explanation
The structural representation of the bavin kitchen range of a kind of biomass burning granular fuel that Fig. 1 provides for the utility model.
Fig. 2 is that the A-A of Fig. 1 is to view (for the arrangement of a plurality of fins in pan bottom).
Fig. 3 is the structural representation of biomass particle burner.
Fig. 4 is the B-B profile of Fig. 3.
Fig. 5 is the C-C profile of Fig. 4.
In figure, each parts represent: 1-pan; 2-kitchen range wall; 3-metal mirror; 4-biomass particle burner; 5-fin; 6-burner hearth; 7-hopper; 8-feed pipe; 9-feeding packing auger; Wind ajutage of 10a-; 10b-Secondary Air ajutage; 11-combustion chamber; 12-fire grate; 13-wind; 14-blower fan; Wind control valve of 15a-; 15b-secondary air adjustor valve; 16-Secondary Air air outlet; 17-annular wind chamber; 18-burner hearth; 19-air compartment.
The specific embodiment
Below in conjunction with accompanying drawing, operation principle of the present utility model, concrete structure are further described.
The structural representation of the bavin kitchen range of a kind of biomass burning granular fuel that Fig. 1 provides for the utility model, the A-A profile that Fig. 2 is Fig. 1.
This bavin kitchen range contains pan 1 and burner hearth 6.The bottom surface of pan 1 is furnished with a plurality of fins 5; Kitchen range wall 2 inside replace original fire grate by a biomass particle burner 4, and the top of this biomass particle burner 4 is provided with ganoid metal mirror 3 around; Metal mirror is circular arc, and parallel with the bottom surface of pan 1; A plurality of fins 5 be take the bottom of a pan as center of circle radial arrangement, are radial (as shown in Figure 2).
Fig. 3, Fig. 4 and Fig. 5 are the structural representation of biomass particle burner.This biomass particle burner contains hopper 7, feed arrangement, blower fan 14, ajutage and combustion chamber 11; Combustion chamber is the double-layered cylinder of a upper end open, forms annular wind chamber 17 between ectonexine cylinder; Combustion chamber is separated into two spaces by fire grate 12, and top is burner hearth 18, and bottom is air compartment 19; Ajutage is comprised of blast pipe 10a and secondary wind inleting tube 10b, and one time blast pipe 10a one end is connected with blower fan 14 by a wind control valve 15a, and the other end is connected with the air compartment 19 of bottom, combustion chamber; One end of secondary wind inleting tube 10b is connected with blower fan 14 by secondary air adjustor valve 15b, and the other end is connected with annular wind chamber 17; On the 11 inner layer cylinder walls of combustion chamber, be uniformly distributed a circle Secondary Air air outlet 16, described Secondary Air air outlet adopts oblique air outlet (as shown in Figure 5).
Feed arrangement comprises feed pipe 8 and is arranged on the feeding packing auger 9 in feed pipe, and one end of feeding packing auger 9 is connected with the charging aperture of burner hearth 6, and the other end is connected with wind 13; Fire grate 12 adopts and can, around the orifice-plate type fire grate of central shaft upset, be evenly arranged the through hole that a plurality of diameters are 3-5mm above.
Principle of the present utility model and the course of work are as follows:
Biomass fuel can produce thermal-flame and flue gas when the internal-combustion of bavin kitchen range, some carbon black pellets in flame etc. pass to pan bottom surface by heat in the mode of radiation, simultaneously high-temperature flue gas passes to pan bottom surface by heat in the mode of convection current, and this two parts heat has formed the efficient heat of bavin kitchen range heat utilization; Heat also directly falls apart via kitchen range wall, ground and chimney in the mode of radiation and convection current simultaneously.This device, by increasing ganoid metal mirror around at biomass particle burner top, has reduced the heat loss through radiation of flame to kitchen range wall and ground, has improved the utilization ratio of pan to Fire Radiation heat; Also, by increase fin in pan bottom surface, increase pan heat absorption surface area, improved the utilization ratio of flame to smoke convection heat.The utility model is simple in structure, easy to use, can be widely used on the existing traditional bavin kitchen range in rural area, improves efficiency of utilization and reduces pollutant emission.
Described biomass particle burner stretched into chamber of a kitchen range inside from bavin kitchen range side and be fixed, during use, first in hopper, add a certain amount of biomass granule fuel, with hand, toward a direction rotation wind, gradually fuel is delivered into the burner hearth on top, combustion chamber, then the mouth of igniting from bavin kitchen range front is put into a small amount of priming mixture, after igniting, open respectively blower fan, a wind control valve, after flare grow, open secondary air adjustor valve, 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 combustion chamber, and according to required flame intensity, regulate the opening angle of wind control valve and secondary air adjustor valve, 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 is all delivered into combustion chamber; the orifice-plate type fire grate of upset bottom, combustion chamber after ceasing fire completely; residue charcoal in combustion chamber and ash are graded and all fall into the nethermost grey thorax of bavin kitchen range, so that cleaning.

Claims (7)

1. a bavin kitchen range for biomass burning granular fuel, contains pan (1) and the chamber of a kitchen range (6), it is characterized in that: the bottom surface of described pan (1) is furnished with a plurality of fins (5); In the chamber of a kitchen range below pan (6), be provided with biomass particle burner (4), and the top of this biomass particle burner (4) is provided with ganoid metal mirror (3) around.
2. according to the bavin kitchen range of a kind of biomass burning granular fuel claimed in claim 1, it is characterized in that: described reflecting surface (3) is curved surface or arc surface, and identical with the curvature of the bottom surface of pan (1).
3. according to the bavin kitchen range of a kind of biomass burning granular fuel described in claim 1 or 2, it is characterized in that: described a plurality of fins (5) be take the bottom of a pan as center of circle radial arrangement, are radial.
4. according to the bavin kitchen range of a kind of biomass burning granular fuel described in claim 1 or 2, it is characterized in that: described biomass particle burner (4) contains hopper (7), feed arrangement, blower fan (14), ajutage (10) and combustion chamber (11); Combustion chamber (11) is the double-layered cylinder of a upper end open, forms annular wind chamber (17) between ectonexine cylinder; Combustion chamber (11) is separated into two spaces by fire grate (12), and top is burner hearth (18), and bottom is air compartment (19); Described blower fan (14) is connected with plenum chamber, and plenum chamber outlet is respectively equipped with a wind control valve (15a) and secondary air adjustor valve (15b); Described ajutage is comprised of a blast pipe (10a) and secondary wind inleting tube (10b), and a blast pipe (10a) one end is connected with plenum chamber by a wind control valve (15a), and the other end is connected with the air compartment (19) of bottom, combustion chamber; One end of described secondary wind inleting tube (10b) is connected with plenum chamber by secondary air adjustor valve (15b) air-valve, and the other end is connected with described annular wind chamber (17); On the inner layer cylinder wall of combustion chamber (11), be uniformly distributed a circle Secondary Air air outlet (16).
5. according to the bavin kitchen range of a kind of biomass burning granular fuel claimed in claim 4, it is characterized in that: described feed arrangement comprises the feed pipe (7) being connected with hopper and is arranged on the feeding packing auger (9) in feed pipe, one end of feeding packing auger (9) is connected with the charging aperture of burner hearth (18), and the other end arranges wind (13).
6. according to the bavin kitchen range of a kind of biomass burning granular fuel claimed in claim 4, it is characterized in that: described Secondary Air air outlet (16) adopts oblique air outlet.
7. according to the bavin kitchen range of a kind of biomass burning granular fuel claimed in claim 4, it is characterized in that: described fire grate (12) adopts the orifice-plate type fire grate around central shaft upset, is evenly arranged the through hole that a plurality of diameters are 3-5mm above.
CN201320343000.2U 2013-06-14 2013-06-14 Kitchen range using biomass granular fuel Withdrawn - After Issue CN203517894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320343000.2U CN203517894U (en) 2013-06-14 2013-06-14 Kitchen range using biomass granular fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320343000.2U CN203517894U (en) 2013-06-14 2013-06-14 Kitchen range using biomass granular fuel

Publications (1)

Publication Number Publication Date
CN203517894U true CN203517894U (en) 2014-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320343000.2U Withdrawn - After Issue CN203517894U (en) 2013-06-14 2013-06-14 Kitchen range using biomass granular fuel

Country Status (1)

Country Link
CN (1) CN203517894U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292362A (en) * 2013-06-14 2013-09-11 清华大学 Wood stove capable of burning biomass pellet fuel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292362A (en) * 2013-06-14 2013-09-11 清华大学 Wood stove capable of burning biomass pellet fuel
CN103292362B (en) * 2013-06-14 2015-12-09 清华大学 A kind of bavin stove of biomass burning granular fuel

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AV01 Patent right actively abandoned

Granted publication date: 20140402

Effective date of abandoning: 20151209

C25 Abandonment of patent right or utility model to avoid double patenting