CN201302160Y

CN201302160Y - Gas kitchen range burner

Info

Publication number: CN201302160Y
Application number: CNU2008202291251U
Authority: CN
Inventors: 朱明伦
Original assignee: FUJIAN JIANGNAN ELECTRONIC APPLIANCE MANUFACTURING Co Ltd
Current assignee: FUJIAN JIANGNAN ELECTRONIC APPLIANCE MANUFACTURING Co Ltd
Priority date: 2008-11-18
Filing date: 2008-11-18
Publication date: 2009-09-02
Anticipated expiration: 2018-11-18

Abstract

The utility model discloses a gas kitchen range burner, comprising an annular fire-separate ring and an upright hollow cylindrical body integrated below the annular fire-separate ring, a plurality of fire grooves are opened on the annular fire-separate ring which is an annular curved body which is an arched axial cross-section to form from outside to inside and from bottom to top and then from top to bottom, a plurality of fire grooves are arc fire grooves which are of arc shapes at the length direction, a plurality of arc fire grooves are distributed between the inside and the outside of the annular fire-separate ring by means of taking at an included angle with the axial direction of the annular fire-separate ring, and a trench wall which is arranged on the length direction of the arc fire groove has a certain angle of inclination with the horizontal surface. Compared with the prior art, the burner has characteristics of full burning, higher thermal efficiency and lower discharge of noxious gas, and can achieve better effects of environmental protection and saving energy.

Description

A kind of gas stove burner

Technical field

The utility model relates to the gas kitchen ranges field, specifically is a kind of gas stove burner.

Background technology

At present, the burner (also being distributor) that the gas kitchen ranges that China's fuel gas product manufacturing industry is produced uses, its combustion system has three kinds: 1, justify the fire hole straight vertical and dash burning, the fire hole height is inconsistent, improve the thermal efficiency and can only solve by sitting pot press-bending flame, and combustion flame just differs, the bottom of a pan knot carbon is serious, carbon monoxide emission height consequently, the oxynitrides discharging is also high, and the thermal efficiency is low; 2, circumference dovetail groove oblique impact burning, peripheral temperature height in the bottom of a pan during use, the bottom of a pan medium temperature is low, and consequently carbon monoxide emission satisfies the GB requirement, but the thermal efficiency is low, and the oxynitrides discharging is high; 3, interior inclination oblique impact burning, poly-in the flame when this burner uses, the air supply difficulty, fuel gas buring is insufficient, and the thermal efficiency and carbon monoxide emission satisfy the GB requirement substantially, but the oxynitrides discharging is still higher.

Pass through the result of use analysis to said burner: fuel gas buring is insufficient will to produce a large amount of pernicious gas carbon monoxide, especially uneven flame, cooking bottom temperature is risen to be restricted, if cooking bottom temperature is low to moderate about 700 ℃, product-nitrogen after the burning and combination with oxygen generate another kind of pernicious gas-oxynitrides, these two kinds of discharge of harmful gases, cause kitchen space to pollute, seriously corroding health, and the thermal efficiency is low, causes energy waste.

The utility model content

The purpose of this utility model provides a kind of sufficient combustion, the thermal efficiency is higher and noxious gas emission is lower gas stove burner.

The technical solution of the utility model is such: a kind of gas stove burner, comprise annular fire seperating ring and the upright hollow circular cylinder that is shaped in annular fire seperating ring below, and offer a plurality of fiery grooves on the above-mentioned annular fire seperating ring; Above-mentioned annular fire seperating ring is the annular surface body that radial cross-section is from low to high arch from high to low from outside to inside again; Above-mentioned a plurality of fiery groove is the curved arc fire groove of length direction, these a plurality of arcs fire grooves with and the radial direction of above-mentioned annular fire seperating ring mode in a certain angle be distributed between the inside and outside edge of above-mentioned annular fire seperating ring, and the cell wall and the horizontal plane of this arc fire slot length direction have certain inclination angle.

The plane included angle of the radial direction of above-mentioned arc fire groove and above-mentioned annular fire seperating ring is 40 ± 2 °, and the cell wall of above-mentioned arc fire slot length direction and the angle of horizontal plane are 65 ± 2 °.

Circumference with the place, arch top of above-mentioned annular fire seperating ring radial cross-section is the line of demarcation, above-mentioned annular fire seperating ring is divided into interior annular surface body and outer ring curved body, and the radical length of above-mentioned outer ring curved body is greater than the radical length of annular surface body in above-mentioned.

By adopting the aforementioned techniques scheme, in the utility model arc fire groove with the radial direction of annular fire seperating ring mode in a certain angle be distributed in annular fire seperating ring in, between the outer, and the cell wall and the horizontal plane of arc fire slot length direction have certain inclination angle, like this, arc fire groove just is the centrifugal distribution of inclination that has certain inclination angle and form an angle with the radial direction of annular fire seperating ring with horizontal plane on annular fire seperating ring, during use, the centrifugal flame of formed inclination is in the swift and violent burning of annular fire seperating ring end face rotation on each arc fire groove, the formed centrifugal force pulling air that burns enters flame flame root district fast, flame root air fully makes the flame envelope of combustion flame shorten relatively, internal flame increases, consequently fuel gas buring is more abundant, the thermal-flame that tilts with bigger area to the bottom of a pan radiation, increased the high temperature area in the bottom of a pan, reach in the high temperature and gather, the temperature in the bottom of a pan increases substantially the thermal efficiency up to 1200 ℃.And the product (waste gas) after the burning discharges outside the bottom of a pan in an orderly manner, not banking fire of the bottom of a pan flame, thus suppressing the generation of carbon monoxide and oxynitrides, CO emission is below 100ppm, and the oxynitrides discharge capacity is below 80ppm.And, in the utility model, annular fire seperating ring is the annular surface body that radial cross-section is from low to high arch from high to low from outside to inside again, and air enters not temperature influence of flame root district, the outer fresh air of annular fire seperating ring can enter into flame flame root district along arcuate surface, makes burning more abundant; And in the utility model, the radical length of the outer ring curved body of annular fire seperating ring more helps oxygen and enters flame flame root district greater than the radical length of interior annular surface body.Compared with prior art, the utlity model has sufficient combustion, the thermal efficiency is higher and noxious gas emission is lower characteristics, can reach better environmental protection, energy-saving effect.

Description of drawings

Fig. 1 is the vertical view of embodiment;

Fig. 2 is the stereogram of embodiment;

Fig. 3 is an embodiment partial sectional view vertically;

Fig. 4 is along the cutaway view of A-A direction among Fig. 1;

The specific embodiment

Embodiment discloses a kind of gas stove burner, referring to figs. 1 to Fig. 4, the upright hollow circular cylinder 2 that it comprises annular fire seperating ring 1 and is shaped in annular fire seperating ring 1 below, annular fire seperating ring 1 is the annular surface body of the arch that seamlessly transits from high to low more from outside to inside from low to high for radial cross-section, that is to say, the radial cross-section of annular fire seperating ring 1 from the outer 11 to interior along 12 arches that seamlessly transit that are from low to high more from high to low; Circumference with the place, arch top of annular fire seperating ring 1 radial cross-section is the line of demarcation, with annular fire seperating ring 1 be divided into from outside to inside from low to high outer ring curved body 14 and interior annular surface body 13 from high to low, the radical length of outer ring curved body 14 is greater than the radical length of interior annular surface body 13.

Hollow circular cylinder 2 is formed by interior the extension downwards along 12 one of annular fire seperating ring 1.

Offer 28 arc fire grooves 3 that length direction is curved on the annular fire seperating ring 1, these 28 arcs fire grooves 3 with and the radial direction of annular fire seperating ring 1 be the mode equal distribution of 40 ° of plane included angles between the inside and outside edge of annular fire seperating ring 1, and the cell wall 31 of arc fire groove 3 length directions has 65 ° of angles with horizontal plane, that is, the angle of a bit pairing arbitrarily cell wall 31 and horizontal plane is 65 ° on arc fire groove 3 length directions.

After adopting such scheme, in the utility model, article 28, arc fire groove 3 is the centrifugal distribution of inclination that has 65 ° of angles with horizontal plane and become 40 ° of plane included angles with the radial direction of annular fire seperating ring on annular fire seperating ring 1, during use, the centrifugal flame of formed inclination is in the swift and violent burning of annular fire seperating ring 1 end face rotation on each arc fire groove 3, the formed centrifugal force pulling air that burns enters flame flame root district fast, flame root air fully makes the flame envelope of combustion flame shorten relatively, internal flame increases, consequently fuel gas buring is more abundant, the thermal-flame that tilts is with the bigger area radiation direction the bottom of a pan, increase the high temperature area in the bottom of a pan, reach in the high temperature and gather, the temperature in the bottom of a pan increases substantially the thermal efficiency up to 1200 ℃.And the product (waste gas) after the burning discharges outside the bottom of a pan in an orderly manner, because not banking fire of the bottom of a pan flame, thereby suppress the generation of carbon monoxide and oxynitrides, CO emission is below 100ppm, the oxynitrides discharge capacity is below 80ppm, and, in the utility model, the radial cross-section of annular fire seperating ring 1 from the outer 11 to interior along 12 arches that seamlessly transit that are from low to high more from high to low, air enters not temperature influence of flame root district, the outer fresh air of annular fire seperating ring can enter into flame flame root district along level and smooth arcuate surface, makes burning more abundant; And in the utility model, the radical length of the outer ring curved body 14 of annular fire seperating ring more helps oxygen and enters flame flame root district greater than the radical length of interior annular surface body 13.Compared with prior art, the utlity model has sufficient combustion, the thermal efficiency is higher and noxious gas emission is lower characteristics, can reach better environmental protection, energy-saving effect.

Claims

1, a kind of gas stove burner comprises annular fire seperating ring and the upright hollow circular cylinder that is shaped in annular fire seperating ring below, offers a plurality of fiery grooves on the above-mentioned annular fire seperating ring; It is characterized in that: above-mentioned annular fire seperating ring is the annular surface body that radial cross-section is from low to high arch from high to low from outside to inside again; Above-mentioned a plurality of fiery groove is the curved arc fire groove of length direction, these a plurality of arcs fire grooves with and the radial direction of above-mentioned annular fire seperating ring mode in a certain angle be distributed between the inside and outside edge of above-mentioned annular fire seperating ring, and the cell wall and the horizontal plane of this arc fire slot length direction have certain inclination angle.

2, a kind of gas stove burner according to claim 1, it is characterized in that: the plane included angle of the radial direction of above-mentioned arc fire groove and above-mentioned annular fire seperating ring is 40 ± 2 °, and the cell wall of above-mentioned arc fire slot length direction and the angle of horizontal plane are 65 ± 2 °.

3, a kind of gas stove burner according to claim 1, it is characterized in that: the circumference with the place, arch top of above-mentioned annular fire seperating ring radial cross-section is the line of demarcation, above-mentioned annular fire seperating ring is divided into interior annular surface body and outer ring curved body, and the radical length of above-mentioned outer ring curved body is greater than the radical length of annular surface body in above-mentioned.