CN201180989Y

CN201180989Y - Novel stove hearth

Info

Publication number: CN201180989Y
Application number: CNU2008200435094U
Authority: CN
Inventors: 许晓广
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-29
Filing date: 2008-01-29
Publication date: 2009-01-14
Anticipated expiration: 2018-01-29

Abstract

The utility model aims to provide a novel gas furnace core which adopts an electronic ignition method, prevents the 'cracking' phenomenon, enables gas fuel to be more fully combusted and increases the thermal value. The gas furnace core includes a mixed gas chamber and a combustion chamber; communicated vent holes are formed between the mixed gas chamber and the combustion chamber; at least an ignition chamber is further arranged; at least an ignition needle and an ignition outtake which is communicated with an external gas circuit are arranged inside the ignition chamber; an ignition cap is arranged at the top part of the ignition chamber; an ignition hole which is communicated with the combustion chamber is arranged on the ignition cap. The gas furnace core has the beneficial effects that the ignition needle can not be heated for a long time under the protection of the ignition cap, thereby avoiding the danger that the ignition needle cracks due to high-temperature roasting and causing the ignition needle to be safer and more durable. The ignition needle and the ignition outtake are firmly fixed, thereby avoiding the danger of gas leakage caused by failure to ignite by discharge as a result of displacement to a position too far away caused by looseness. The ignition is rapid and accurate, and the danger of 'cracking' caused by delayed ignition is avoided, so that the gas furnace core is more energy-saving and environment-friendly.

Description

A kind of novel combustion chamber

Technical field

The utility model relates to a kind of gas furnace combustion chamber, more particularly, relates to and a kind ofly has twice ignition structure and general mood is mixed the gas furnace combustion chamber of giving vent to anger again after the compression.

Background technology

Domestic catering trade generally all is to adopt gas furnace as main cooking utensil.For obtaining stronger firepower and allowing full combustion of fuel, also can dispose the air blast pressurization for gas furnace.This kind stainless steel blast furnace is provided with more air outlet in the inwall or the bottom of combustion chamber, is provided with venthole at the igniter cap place of bottom center, and the gas at the igniter cap place of igniting earlier during with the manual firing is opened the size that air-valve is debugged fire again.Such design can obtain relatively more concentrated firepower, but general mood mixed combustion under nature is insufficient, and the combustion gas waste is big, contaminated environment.Adopt the manual firing to hold pot not stop working, empty burning waste combustion gas is big.In order to address this problem, a kind of energy-saving cooking has appearred on the market, and the patent No. is: 200720047887.5, the combustion chamber on this type of furnace laterally and vertically is equipped with the igniting pin, and the sky of controlling cooking stove with contact and non-contacting mode burns.But its igniting pin can directly be roasted in the combustion chamber, and the life-span weak point of igniting pin is harsh especially to the installation of igniting pin, and the distance between the arcing point can influence the reliability of igniting.And the igniting stylus printer horizontal and beat perpendicular install to expose at the air outlet place form windage, make stove fire race limit.Igniting pin Yin Gaowen barbecue explosion or cross and far can't discharge can misfire and causes gas leak, causes danger.And the general mood ratio of this combustion chamber also is difficult to control, and the wind atmosphere is difficult to ignite for a short time; Stingy " the sound of sth. throbbing or bursting pot " phenomenon, the incomplete combustion of occurring easily greatly again of wind.

Summary of the invention

The purpose of this utility model provides a kind of employing electronic ignition mode, and it is more abundant again fuel gas buring to be got, the novel gas combustion chamber that calorific value strengthens.

For achieving the above object, the utility model is taked following technical scheme:

A kind of novel combustion chamber, comprise mixed air vessel and combustion chamber, the venthole that is connected is arranged between mixed air vessel and the combustion chamber, also be provided with the igniting chamber that at least one and mixed air vessel isolate, the igniting tracheae that at least one igniting pin is installed in the igniting chamber and is communicated with outside gas circuit; The described igniting chamber top cap of igniting has the mouth of igniting that communicates with the combustion chamber on the described cap of igniting.

For obtain to mix more uniform mist, the mixed air vessel inside of described novel combustion chamber can be divided into mixed once air chamber and secondary mixed air vessel, described mixed once air chamber and secondary mixed air vessel interconnect.

For guaranteeing the success rate of igniting, the syringe needle of described igniting pin should be pressed close to install with the mouth of pipe of igniting tracheae.

For simplifying the production of combustion chamber, described igniting chamber is positioned at the bottom of combustion chamber central authorities.The cavity that can form a depression on the top of described mixed air vessel is as the combustion chamber, and this moment, described igniting chamber was positioned at the central authorities of mixed air vessel.

The ignition principle that the utility model adopted is: earlier the combustion gas of igniting chamber is lighted by the igniting pin, flame is from refiring the pressurization gaseous mixture in the combustion chamber after the mouth of igniting is emerged, to realize the little fire mist that ignites.

The beneficial effects of the utility model are: the combustion chamber of realizing by regnition ignites combustion gas than directly lighting combustion gas or the mode of pressurization gaseous mixture energy-saving safe more.The igniting pin can not heated under the protection of the cap of igniting for a long time, has avoided igniting pin Yin Gaowen to roast the danger of explosion, makes the igniting pin safer more durable than what directly roast in the burner hearth the inside.The igniting pin is installed in combustion chamber entity the inside with the igniting tracheae, and fixed, can avoid crossing because of loose shift far can't the missing of ignition danger that causes gas leak of point of discharge.The igniting pin is pressed close to install with the igniting tracheae, makes igniting rapidly accurately, has avoided the danger of late ignition " the sound of sth. throbbing or bursting pot ".The igniting pin is installed in the igniting chamber, does not form the windage effect stove fire and runs the limit.The repeatedly compression that combustion gas and air carry out in combustion chamber inside is shuttled back and forth, make combustion gas and Air mixing ratio reach the optimum value of burning, extrude from venthole again, burn more thoroughly, more complete, the calorific value that is produced exceeds more than 100 degree than the mixed combustion under nature, thus energy-conserving and environment-protective more.

Description of drawings

Fig. 1 is the profile of the utility model embodiment one;

Fig. 2 is the profile of the utility model embodiment two.

Description of reference numerals: 1-mixed once air chamber; 2-secondary mixed air vessel; 3-isolates wall body; 4-gaseous mixture via hole; The 5-air intake pipe orifice; The 6-air inlet mouth of pipe; The 7-combustion chamber; The 8-venthole; The 9-igniting chamber; The 10-pin of lighting a fire; The 11-tracheae of lighting a fire; The protruding circle of 12-; The 13-cap of igniting; The 14-mouth of igniting.

The specific embodiment

Below in conjunction with drawings and Examples the utility model content is described further.

Embodiment one:

As shown in Figure 1, the wall body 3 of isolation is arranged between mixed once air chamber 1 and the secondary mixed air vessel 2, isolating on the wall body 3 has gaseous mixture via hole 4, makes to be communicated with between mixed once air chamber 1 and the secondary mixed air vessel 2.There are the air intake pipe orifice 5 and the air inlet mouth of pipe 6 in mixed once air chamber 1 outside.The cavity that the inwall of secondary mixed air vessel 2 forms a depression forms combustion chamber 7, has venthole 8 on the sidewall of combustion chamber 7.

7 bottom is provided with an igniting chamber 9 in the combustion chamber, and igniting chamber 9 is isolated with mixed air vessel, is used to hold and fixed ignition pin 10.Near the position of igniting pin 10 syringe needles, is communicated with an igniting tracheae 11 on igniting chamber 9, this igniting tracheae 11 is also isolated with mixed air vessel, and passes mixed air vessel and be communicated to outside gas circuit, is used to conduct combustion gas required when lighting a fire the first time.

An end that leads to combustion chamber 7 on igniting chamber 9 is provided with a protruding circle 12, and this protruding circle 12 is used for the cap 13 of igniting is positioned.Be provided with the mouth 14 of igniting in the side of the cap 13 of igniting, mouthful 14 connection combustion chambers 7 of igniting.To the light a fire syringe needle of pin 10 and the mouth of pipe of igniting tracheae 11 of the cap 13 of igniting covers, and forms igniting chamber 9.

When present embodiment uses, open source of the gas, combustion gas is leaded up to igniting tracheae 11 and is entered in the igniting chamber 9; , successively mix with air in mixed once air chamber 1, secondary mixed air vessel 2 under the effect of air blast by the air inlet mouth of pipe 6 on another road, forms high pressure mixing gas, from venthole 8 ejections.When carrying out electronic striking, the electric arc of igniting pin 10 can be lighted the combustion gas in the igniting chamber 9.Flare after lighting will be lighted from the high pressure mixing gas of venthole 8 ejections after emerging by the mouth 14 of igniting again.Through twice igniting, the rate of lighting of pressurization gaseous mixture improves greatly like this, and the igniting pin has been protected in the waste of fuel when both effectively having prevented from a little not fire again, makes it more durable in use.

Embodiment two:

As shown in Figure 2, in the present embodiment igniting tracheae 11 directly is inserted in the igniting chamber 9, all the other structures are identical with embodiment 1, can simplify the structure of combustion chamber like this, reduce cost.

What this specification was enumerated is better embodiment of the present utility model only, and all equivalent technologies conversion of being done under operation principle of the present utility model and thinking all are considered as protection domain of the present utility model.

Claims

1, a kind of novel combustion chamber, comprise mixed air vessel and combustion chamber, the venthole that is connected is arranged between mixed air vessel and the combustion chamber, it is characterized in that: also be provided with the igniting chamber that at least one and mixed air vessel isolate, the igniting tracheae that at least one igniting pin is installed in the igniting chamber and is communicated with outside gas circuit; The described igniting chamber top cap of igniting has the mouth of igniting that communicates with the combustion chamber on the described cap of igniting.

2, a kind of novel combustion chamber according to claim 1, it is characterized in that: the mixed air vessel inside of described novel combustion chamber is divided into mixed once air chamber and secondary mixed air vessel, and described mixed once air chamber and secondary mixed air vessel interconnect.

3, a kind of novel combustion chamber according to claim 1 is characterized in that: the syringe needle of described igniting pin is pressed close to install with the mouth of pipe of igniting tracheae.

4, a kind of novel combustion chamber according to claim 1 is characterized in that: the top of described mixed air vessel forms the cavity of a depression as the combustion chamber.

5, according to claim 1 or 2 or 4 described a kind of novel combustion chambers, it is characterized in that: described igniting chamber is positioned at the bottom of combustion chamber central authorities.

6, a kind of novel combustion chamber according to claim 5, it is characterized in that: described igniting chamber is positioned at the central authorities of mixed air vessel.