CN1306212C

CN1306212C - Gas stove

Info

Publication number: CN1306212C
Application number: CNB2004100043450A
Authority: CN
Inventors: 郑赞守; 金银植
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-09
Filing date: 2004-02-13
Publication date: 2007-03-21
Anticipated expiration: 2024-02-13
Also published as: KR20050006513A; CN1576701A

Abstract

A gas burner for food processing establishments or a kitchen is provided to restrict noise in burning by modifying the structure of a burner unit and a mixer, and to increase combustion efficiency by supplying low pressure gas fuel actively. A gas burner is composed of a blower(3) installed at the side of a supply pipe(6) connected to a burner part(2) with a flame part, a gas pipe(5), a proportional gas and air control valve(8), an air hose(7), a mixer connected to the gas pipe and the blower, and a controller(100) controlling the mixture ratio of gas and air. The wind screen is installed in the upper part of the flame part of the burner part, and a burner case is composed of a curved part at the side wall. A blower connecting unit is formed in the end of a body with a hollow, and a supply pipe connecting unit is formed in the end of the mixer. A gas pipe connecting unit is formed in the mixer, and a bore contraction unit is installed in the hollow to increase the flow rate of air and pressure of air.

Description

Gas furnace

Technical field

Pass through of the present invention relates to that family expenses or restaurant use mixes the gas furnace of inhaled air and combustion gas, particularly, relate to a kind of can be by improving the structure of burning zone and blender, the while is the gas furnace of premixed inhaled air and combustion gas minimizing noise accurately.

Background technology

Premix gas furnace commonly used at present mainly uses in the air of sealing, as boiler.

Yet adjustable gas furnace mainly uses in open air, as in the family or restaurant, rather than uses in airtight air.This adjustable gas furnace can adopt controller to regulate the mixing ratio of inhaled air and combustion gas.

As shown in Figure 4, this adjustable gas furnace comprises the hair-dryer that is installed in air inlet pipe one side that links to each other with burning zone, Gas Pipe, and air-gas control valve and air hose are installed in the opposite side of air inlet pipe.Gas Pipe and hair-dryer are connected on the blender and controller is used to control the mixing ratio of air and combustion gas.

Under the control of controller, the air that comes from hair-dryer mixes blender with the combustion gas of importing from Gas Pipe.Then, by the air inlet section burning zone is sent in the air/combustion gas that mixes.

In addition, burning zone comprises flame zone and the igniter that is installed in flame zone one side.The flame zone part is by forming at the furnace chamber top laminated metal silk catalyst layer with definite shape and the flat board of porous.

Therefore, rest on the furnace chamber so that burn from the air mixture that blender flows into by air inlet pipe.

Yet this traditional gas furnace is when the air mixture with certain pressure is admitted to furnace chamber, owing to the problem of the cavity body structure of gas furnace causes sympathetic response to produce huge noise.

Just, as shown in Figure 4, the bending section 242 that the cavity 24 of traditional gas furnace ' be provided with has predetermined angular ', thereby, when air mixture along cavity 24 ' inwall may impact when rising cavity 24 ' inwall, therefore, cavity 24 ' vibrations are so that the huge noise of generation.

In addition, traditional gas furnace has individual problem, exactly if the pressure of combustion gas is lower than the pressure of air, because different pressure reduction makes combustion gas not to be admitted between combustion gas and the air.

Summary of the invention

Therefore, for the problem of the middle existence that solves above-mentioned original technology is made the present invention, the purpose of this invention is to provide the gas furnace that use in a kind of family expenses or restaurant, can when burning, reduce noise by the structure of improving the combustion gas furnace chamber, and by making the blender of Venturi tube form, thereby making by this way that the combustion gas of low pressure can be sent into easily can energy savings and improve efficiency of combustion.

To achieve these goals, gas furnace provided by the invention comprises: the burning zone with flame zone, be positioned at the deep bead on flame zone top and have the cavity of the gas furnace of crooked sidewall, this sidewall has and becomes 120 ° to 150 ° inclination angle with respect to the vertical wall of flame zone; Side in air inlet pipe is a burning zone, and opposite side is a blender; Described blender is a three-port structure, and an end of blender is provided with the connector of hair-dryer, is the connector of air inlet pipe at the other end of blender, is the connector of Gas Pipe in the precalculated position at blender middle part; The blender that links to each other with hair-dryer with Gas Pipe; Be used to control the controller of the mixing ratio of air and combustion gas, wherein blender comprises the fuselage with hollow space, the connector of hair-dryer links to each other with first end of fuselage, the connector of air inlet pipe links to each other with second end of fuselage, the connector of air inlet pipe forms at the predetermined portions of fuselage, conical pipe section is installed in the hollow space of fuselage, and the air-flow by conical pipe has low pressure and acceleration by this way.

Description of drawings

From following with the detailed description of accompanying drawing, above-mentioned and other purposes of the present invention, characteristic and advantage will be more clear, wherein:

Fig. 1 is the schematic diagram of the adjustable fuel gas stove of family expenses or restaurant use;

Fig. 2 is the detailed cross sectional view of the structure of the blender shown in Fig. 1;

Fig. 3 is the detailed cross sectional view of the structure of the burning zone shown in Fig. 1; And

Fig. 4 is the structural representation of traditional gas furnace.

The specific embodiment

Hereinafter, the preferred embodiments of the present invention are described with reference to the accompanying drawings.In below the description and accompanying drawing, identical Ref. No. is used to specify same or similar assembly, therefore omits being repeated in this description of same or similar assembly.

Fig. 1 is the structural representation of the adjustable fuel gas stove of family expenses or restaurant use, and Fig. 2 is the detailed sectional view of the structure of the blender shown in Fig. 1, and Fig. 3 is the detailed sectional view of the burning zone structure shown in Fig. 1.

As shown in Figure 1, this adjustable gas furnace comprises: having the burning zone 2 of flame zone 22, is burning zones 2 in a side of air inlet pipe 6, and opposite side is a blender 4; Described blender 4 is three-port structures, and an end of blender 4 is provided with the connector 49 of hair-dryer 3, is the connector 46 of air inlet pipe 6 at the other end of blender, is connectors 48 of Gas Pipe 5 in the precalculated position at blender 4 middle parts; In this way, Gas Pipe 5 and hair-dryer 3 are connected in blender 4.

The mixing ratio that controller 100 is used to control air and combustion gas is set.

According to the present invention, burning zone 2 has carried out improving effectively with the structure of blender 4.In addition, automatic firing function, the calorific value Presentation Function, the flame regulatory function, and be added on the controller 100 based on the automatic fire-extinguishing function of flame.

In other words, the cavity 24 of burning zone 2 has and becomes about 120 ° of angled side walls to 150 ° of angles with the vertical wall of flame zone 22.The sidewall top of burning zone 2 and the distance between the flame zone 22 are in 20mm.

Air inlet pipe 6 is inserted in the cavity 24 of gas furnace, and the plurality of rows pore 62 that air mixture therefrom enters is formed in the cavity 24 of gas furnace, just is formed at air inlet pipe 6 upper end outer edges.In addition, the end in air inlet pipe 6 is provided with anti back-flow plate 64 so that air mixture can be discharged equably.

At this moment, the size of anti back-flow plate 64 is greater than the shape of the diameter and the formation concave face plate of air inlet pipe 6, and by this way preventing impurity, as food, when being penetrated in the air inlet pipe 6, air mixture is sent into equably.

In addition, deep bead 26 is set in case wind and make fray-out of flame when flame weakens.Deep bead 26 is for highly being 7 to 12mm ring-type and being detachably connected on the flame zone 22 to reduce the heat conduction.

In addition, blender 4 is included in the fuselage 42 that wherein has hollow space 420.Fuselage 42 wherein an end connector 49 of hair-dryer is arranged, hair-dryer 3 links to each other with this connector 49, is provided with the connector 46 of air inlet pipe at fuselage 42 other ends, the air inlet pipe 6 that air mixture is transported in the burning zone 2 links to each other with the connector 46 of air inlet pipe.In addition, the connector 48 of Gas Pipe is located at the predetermined portions of fuselage 42.Funnelform conical pipe section 44 is arranged on the hollow space 420 of fuselage 42.Because the diameter of the connector 49 of conical pipe section 44 hair-dryers reduces gradually along with extending to hollow space 420, therefore the flow velocity of the suction air by conical pipe section 44 can be accelerated.

In other words, the two ends of conical pipe section 44 be open wide and in the middle of conical pipe section 44, form one narrow section 440.Connector 48 adjacency of conical pipe section 44 and Gas Pipe.The front portion of conical pipe section 44 and the connector of hair-dryer 49 centering adjacency, and have some combustion gas to enter hole 442 at the outer edge at the rear portion of conical pipe section 44.

Therefore, when narrow section 440 of the centre of air by conical pipe section 44, air pressure descends and flow velocity is accelerated, thereby produces different pressure between the inside and outside of conical pipe section 44.So, combustion gas imports in the conical pipe section 44 so that combustion gas mixes with inhaled air by entering hole 442.

Hereinafter, the course of work that description is had adjustable gas furnace of said structure.

When the user lighted this adjustable gas furnace by operation control 100, hair-dryer 3 was driven so that air/gas control valve 8 is opened.

Then, the air that produces from hair-dryer 3 is admitted to the hair-dryer connector 49 of blender 4 and flows through conical pipe section 44.At this moment, produce funnelling, thereby be imported in the conical pipe section 44, so combustion gas mixes with air owing to different air pressure makes combustion gas enter hole 442 by combustion gas.

So the combustion gas that mixes is admitted to burning zone 2 through air inlet pipe 6 and steam vent 62.At this moment, the air mixture that enters the cavity 24 of gas furnace is assigned with by means of anti back-flow plate 64.Along with air mixture is risen along the inwall 240 of the cavity 24 of gas furnace and is fed into flame zone 22, thereby noise significantly reduces.

In addition, a spot of combustion gas can be introduced into blender owing to funnelling, therefore can finely tune the intensity of flame.And, because the efficiency of combustion of adjustable gas furnace improves and energy savings.

As mentioned above, the adjustable gas furnace that uses according to family expenses of the present invention or restaurant prevents resonance phenomenon by the structure of improving the gas furnace cavity, thus the noise when reducing burning.In addition, a spot of combustion gas can be introduced into blender owing to funnelling, therefore can finely tune the intensity of flame.According to the present invention, the efficiency of combustion of adjustable gas furnace improves, thereby has saved the energy.

Described preferred embodiment only for explanation the present invention, for those skilled in the art, can carry out various changes, increase and replacement under the prerequisite of the scope and spirit that do not break away from claim of the present invention.

Claims

1, a kind of gas furnace comprises:

Be arranged at the blender of air inlet pipe first end, it is connected in hair-dryer and Gas Pipe;

Be arranged at the air/gas control valve between air hose and the Gas Pipe;

Be arranged at the burning zone of air inlet pipe second end, comprise flame zone and have the cavity of the gas furnace of crooked sidewall, this sidewall has and becomes 120 ° to 150 ° inclination angle with respect to the vertical wall of flame zone;

Be used to control the controller of the mixing ratio of air and combustion gas, wherein blender comprises the fuselage with hollow space, the connector of hair-dryer is connected to first end of fuselage, the connector of air inlet pipe is connected to second end of fuselage, the connector of Gas Pipe forms at the predetermined portions of fuselage, conical pipe section is mounted the hollow parts of fuselage, and the air-flow by conical pipe section has low pressure and acceleration by this way.

2, gas furnace as claimed in claim 1, wherein said air inlet pipe is inserted the cavity of gas furnace, the outer edge of air inlet pipe forms the end that a plurality of anti back-flow plates that are used for the steam vent of emptying air mixture and have a spill are set at described air inlet pipe, and its size is greater than the diameter of described air inlet pipe.

3, gas furnace as claimed in claim 1 or 2, wherein the two ends of conical pipe section are opened wide, this conical pipe is a funnel-form, the intermediate portion has one narrow section, the inwall adjacency of the front portion of conical pipe section and the connector of hair-dryer, the rear portion of conical pipe section is connected in air inlet pipe, edge at the rear portion of conical pipe section is provided with some combustion gas and enters the hole, the connector aligned abutment of conical pipe section and Gas Pipe, wherein, when inhaled air during by narrow section in the middle of the conical pipe air pressure descend and flow velocity is accelerated, thereby since the funnelling combustion gas enter the hole by combustion gas and be introduced into conical pipe section.

4, gas furnace as claimed in claim 1 or 2 wherein is provided with deep bead on the top of described flame zone.

5, gas furnace as claimed in claim 4, wherein said deep bead are one highly to be 7 to 12mm ring and to be detachably connected to flame zone to reduce the heat conduction in protection flame.