CN2437975Y

CN2437975Y - Improved burner of domestic gas cooker

Info

Publication number: CN2437975Y
Application number: CN 00228801
Authority: CN
Inventors: 谢锦锋; 杨晓宁
Original assignee: Guangzhou Hongri Gas Appliance Co
Current assignee: Guangzhou Hongri Gas Appliance Co
Priority date: 2000-07-14
Filing date: 2000-07-14
Publication date: 2001-07-04
Anticipated expiration: 2010-07-14

Abstract

The utility model relates to an improved infrared burner for a household gas cooker, which is composed of an ejector, a furnace chamber and a burning radiation plate below which a metal carrier is arranged. The utility model is characterized in that the burning radiation plate is made of a metal fiber thin plate which is large in porosity, very small in single fire hole area and large in hole density. The utility model has the advantages that a blower is not needed to blast forcibly, full air desired by burning can be naturally ejected by low-pressure gas, and the improved infrared burner has favorable self regulating ability. The improved infrared burner which is an ideal radiation burner for the household gas cooker also has the advantages of wide accommodation, complete burning, good burning stability, long service life, etc. and can be used for a plurality of gas sources such as liquefied petroleum gas, natural gas, manufactured gas, etc.

Description

A kind of modified household gas utensils burner

The utility model relates to the improvement of household gas utensils burner, particularly the improvement of infrared ray gas burner.

The known burner of using porous ceramic plate as the infrared gas stove tool compares with atmospheric gas burner, has many advantages, is generally acknowledged by common people.But still there are many defectives in this infrared burner with ceramic making.These defectives mainly show the reason because of manufacture craft, the percent opening of porous ceramic plate low (generally all below 30%), and the fire hole area is big (generally at 0.8mm ²More than).Use this class burner, fuel gas buring is incomplete, carbon monoxide content height in the flue gas, and unstable properties, service life is short, anti-tempering ability.Be difficult to adapt to the fast manufactured gas, manufactured fuel gas's of burning velocity instructions for use especially.

Known have a kind of infrared burner that uses the metallic fiber plate to replace porous ceramic plate, be longer than porous ceramic plate the service life of this burner, but because of the density of its metallic fiber big, make porosity very low, cause the injection resistance big, must adopt forced-air blast formula air supply, or under high gaseous-pressure, could arrive the required air of burning by injection.And even use under such condition, the carbon monoxide content in the kitchen range flue gas is also quite high.In China, the gas supply standard is that low pressure feed is (wherein: liquefied petroleum gas 280mmH before the kitchen range kitchen range ₂O, natural gas 200mmH ₂O, manufactured gas, manufactured fuel gas 100mmH ₂O), if kitchen range are designed to be higher than this standard is impracticable with upward pressure for one times, the required air of blowing-type coercively fed burning then needs other corollary apparatus such as motor and civil power, impeller, carrying out the multistage firepower because of the instructions for use of family expenses kitchen range regulates, be the functional requirement that guarantees to use, must be equipped with ratio adjusting valve and electronic controller etc., its cost is raise, generally be several times of nature injection type.The use and the development of this burner like this, have greatly been limited.

The purpose of this utility model is to provide a kind of employing nature injection mode, can adapt to multiple source of the gas, combustion completion, and combustion stability is good, the infrared ray gas burner that long service life and production cost are low.

Above-mentioned purpose of the present utility model is achieved in that a kind of infrared ray gas burner, form by injector (1), furnace chamber (2), burning radiation plate (3) and metal bracket (4), wherein, burning radiation plate (3) is to adopt porosity greater than 40%, and single fire hole area is less than 0.4mm ²The metallic fiber burner plate make, metal bracket (4) places the below of burning radiation plate (3), in case metallic fiber burner plate (3) Yin Gaowen and being out of shape in use.Influence the injection of primary air for the injection resistance is increased, the specification in the hole of metal bracket (4) should be below 30 orders, and porosity should be greater than 80%.According to above-mentioned design, just can be at the enough primary airs of injection under the low-pressure fuel gas, combustion gas and Air mixing gas can burn on metallic fiber radiant panel (3) surface equably by many full of twists and turns apertures in the metallic fiber burner plate (3).Because the single fire hole area on this burning radiation plate (3) is minimum, it just has extremely strong anti-tempering ability, and combustion stability is good, can be applicable to the manufactured gas, manufactured fuel gas of liquefied petroleum gas, natural gas and various places simultaneously.Even use combustion potential to reach 130 artificial coal gas, also can not produce tempering phenomenon.Adopted metallic fiber material as burner plate, increased its service life widely, and quality stability is also fine, and the general collision of long-distance transport can not influence its properties of product yet.The metallic fiber burner plate (3) that the utility model adopted can be a Weaving type metallic fiber plate, also can be the sintering type metal fiberboard.

The utility model is compared with common porous ceramics radiant panel infrared burner, has remarkable advantages such as long service life, good, the anti-tempering ability of quality stability be strong, applied widely; Compare for by force the metallic fiber infrared burner of primary air with the air blast type, have advantages such as production cost is low, sufficient combustion.

Below in conjunction with the description of the drawings and provide embodiment, the utility model will be further described:

Fig. 1 is the profile of the utility model (no centre bore in the burner);

Fig. 2 is the profile of the utility model (centre bore is arranged in the burner).

Embodiment 1:

A kind of modified household gas utensils burner is made up of injector l, furnace chamber 2, burning radiation plate 3.The porosity 50% of burning radiation plate 3, single fire hole area are not more than 0.2 square millimeter metallic fiber burner plate, and a metal bracket 4 is arranged below metallic fiber burner plate 3.The specification of metal bracket 4 is 15 orders, and porosity is 90% metal holder net.Metallic fiber burner plate 4 adopts Weaving type metallic fiber plate, the garden shape that is shaped as φ 150mm of its burner plate face, and the heat flow of burner is not less than 2500Kcal/h.

Embodiment 2:

Substantially with embodiment 1, difference is to have in the middle of the burner diameter to be about the centre bore of φ 25mm, in this centre bore, can place that fire falls into inductive needle, the pin or make ignition channel of lighting a fire.

Embodiment 3:

Substantially with embodiment 1 or 2, the metallic fiber burner plate 4 that difference is adopts the sintering type metal fiberboard.

Claims

1, a kind of modified household gas utensils burner is made up of injector (1), furnace chamber (2), burning radiation plate (3), it is characterized in that burning radiation plate (3) be with porosity greater than 40%, single fire hole area is less than 0.4mm ²The metallic fiber burner plate make, there is a metal bracket (4) below in burning radiation plate (3).

2, modified household gas utensils burner according to claim 1 is characterized in that the specification in the hole of metal bracket (4) is not more than 30 orders, porosity is not less than 80%.

3. modified household gas utensils burner according to claim 1 is characterized in that metallic fiber burning radiation plate (3) can make with Weaving type metallic fiber plate.

4. modified household gas utensils burner according to claim 1 is characterized in that metallic fiber burning radiation plate (3), can make with the sintering type metal fiberboard.