CN2913864Y

CN2913864Y - Energy-saving environment-friendly combustor and gas-fired cooking range

Info

Publication number: CN2913864Y
Application number: CNU2005201192857U
Authority: CN
Inventors: 向勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-20
Filing date: 2005-09-20
Publication date: 2007-06-20
Anticipated expiration: 2015-09-20

Abstract

The utility model discloses a combustor with simple structure, high heat efficiency, little harmful substances in fume, and prominent energy-saving and noise-lowering effects, and a gas stove using the combustor. The combustor comprises a gas mixing chamber, and an ejection plate. The gas mixing chamber is a column provided with a through hole. The ejection plate covers above the gas mixing chamber, and at least one fire hole is arranged on the ejection plate and above the through hole of the gas mixing chamber. The structure of the combustor can effectively prevent cold air flow from directly impacting the flame hole of a stove core. The fire hole is configured as multiple fine holes to uniformly and steadily scatter flame, so as to improve combustion efficiency and simultaneously lower noise generated during combustion of existing gas stove, and greatly improve working environment of chefs. The combustor may also be provided with a normally-lighting cap and a heat storage hood to avoid direct contact between the flame and the cold air, so as to improve utilization efficiency of fuel gas and avoid heat loss.

Description

Energy-saving environmentally-friendly burner and gas stove

Technical field

The utility model relates to a kind of domestic gas cooking stove and accessory thereof, relates in particular to a kind of energy-saving burner and uses the gas stove of this burner.

Background technology

The burner of uses such as food and drink now, dining room, hotel is generally the blowing type gas burner, adopts air blast oxygenation and combustion gas mixing.But, because the air of the combustion gas of Gas Pipe ejection and airduct ejection directly enters the burning of kitchen range core,, thereby cause fuel gas buring insufficient so the mixing of the two is very insufficient, the thermal efficiency is not high, and the harmful substance CO content in the flue gas is higher.Through test shows, existing burner for gas stove produces carbon monoxide all greater than 0.2% when burning, and shows that burning is insufficient.

Secondly,,, cause the temperature of gaseous mixture lower, thereby slow down combustion velocity and reduction flame temperature so the warm of gaseous mixture is not almost had because combustion gas and air directly enter the burning of kitchen range core.Moreover because the air of the combustion gas of Gas Pipe ejection and airduct ejection directly enters the burning of kitchen range core, air-flow directly impacts the fire output hole of kitchen range core, so cause flame off-centre or flame instability easily.

The utility model content

The technical problems to be solved in the utility model provide a kind of simple in structure, the thermal efficiency is higher, the burner of few, the flame stabilization of harmful substance in the flue gas, and the gas stove that uses this burner.

For solving the problems of the technologies described above, the purpose of this utility model is achieved through the following technical solutions:

A kind of burner comprises mixing chamber and jet tray, and mixing chamber is one to be provided with the cylinder of through hole, and jet tray covers above mixing chamber, and jet tray is provided with fire hole at least one, describedly goes up the top that fire hole is positioned at the through hole of mixing chamber.

Preferably, described burner comprises that also one is provided with the flow distribution plate of passage, and this flow distribution plate is arranged in the through hole of described mixing chamber.

Preferably, the last fire hole of described jet tray is the hole that tilts along the tangent to periphery direction.

Preferably, the last fire hole of described jet tray is the hole that distributes radially.

Preferably, described burner device also comprises constantly shining cap and the exhaust gas nozzle that is arranged on the jet tray, and this exhaust gas nozzle is raised in the upper surface of jet tray, and described constantly shining cap is nested with the top at this exhaust gas nozzle, and described constantly shining cap is provided with at least one Chang Minghuo hole.

Preferably, described burner also comprises heat storage hood, and described heat storage hood cover body inner surface is the paraboloid of revolution, and the cover body bottom center is provided with the circular hole that adapts with described burner, described heat storage hood is arranged on the jet tray, and the circular hole of cover body bottom exposes the last fire hole of jet tray.

Preferably, the inner surface of described heat storage hood also comprises the circular fire holding cycle of projection.

The invention also discloses a kind of gas stove of using described burner, comprise stove, Gas Pipe, air hose, also comprise burner and burner support platform; Described burner comprises mixing chamber and jet tray, and mixing chamber is one to be provided with the cylinder of through hole, and jet tray is connected in the top of mixing chamber, and jet tray is provided with fire hole at least one, describedly goes up the top that fire hole is positioned at the through hole of mixing chamber; Described burner is arranged on the burner support platform.

Preferably, described gas stove comprises that also one is provided with the flow distribution plate of passage, and this flow distribution plate is arranged in the through hole of described mixing chamber.

The last fire hole of preferred described jet tray is the hole that tilts and distribute radially along the tangent to periphery direction.

With respect to prior art, the technical solution of the utility model has following advantage:

Be provided with mixing chamber in the utility model, combustion gas and air mix in the space that the mixing chamber through hole forms completely, mix more even, so fuel gas buring is abundant, effectively reduce the harmful substance CO content in the flue gas, because sufficient combustion, the thermal efficiency improves, so energy-saving effect is remarkable.

Because mist is in the buffering in mixing chamber space that through hole forms, make and just the mist in this space is being had the process of a preheating at burned flame, thereby improved the temperature of mist, can prevent effectively that cold airflow from directly impacting the fire output hole of kitchen range core; And fire output hole is set to a plurality of pores, makes flame by uniform and stable dispersion; Noise when these two reasons make burning significantly reduces, and can improve cook's working environment to a great extent.

Because the utility model preferably is provided with a flow distribution plate that passage arranged in mixing chamber, mixing chamber is divided into two spaces, upper and lower.Thereby the existence of this flow distribution plate makes gaseous mixture to enter the flow direction that upper space has changed mist by this passage, make the time of staying of gaseous mixture in mixing chamber obtain prolonging, the collision degree is strengthened, thereby make preheating and mixed process more abundant, thereby can further improve the thermal efficiency of burning.

Because the last fire hole of jet tray of the present utility model is preferably along the hole of tangent to periphery direction inclination or the hole of radial distribution, thereby can form the swirl flame that helical form rises, prolong heat transfer time, it is more abundant to burn, than ordinary burner, can improve the thermal efficiency more than 10%.

Because the utility model also preferably is provided with heat storage hood, makes flame directly not contact cold air, thereby improve the service efficiency of combustion gas, avoid heat loss.In addition, the use of heat storage hood also makes outer the wind comes from be not easy directly to blow to constantly shining cap, thereby protection Chang Minghuo is difficult for extinguishing.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the perspective view of a preferred embodiment of the utility model burner;

Fig. 2 is the perspective view of the mixing chamber of preferred embodiment shown in Figure 1;

Fig. 3 is the schematic top plan view of the mixing chamber of preferred embodiment shown in Figure 1;

Fig. 4 is the perspective view of the jet tray of preferred embodiment shown in Figure 1;

Fig. 5 is the schematic top plan view of the jet tray of preferred embodiment shown in Figure 1;

Fig. 6 is the perspective view of the heat storage hood of preferred embodiment shown in Figure 1;

Fig. 7 is for being the schematic top plan view of the heat storage hood of preferred embodiment shown in Figure 1;

Fig. 8 is the perspective view of the constantly shining cap of preferred embodiment shown in Figure 1;

Fig. 9 is the position assumption diagram of the Chang Mingkong of the constantly shining cap of preferred embodiment shown in Figure 1.

The specific embodiment

Core concept of the present utility model is the burner that provides one to comprise mixing chamber and jet tray combustion gas and air to be mixed, and it is abundant to reach fuel gas buring, effectively reduces the harmful substance in the flue gas, the purpose of the retention flame.

In the preferred embodiment of the utility model burner shown in Figure 1, shown in burner comprise mixing chamber 1 and jet tray 2, also comprise heat storage hood 3 and constantly shining cap 4.Mixing chamber 1 is one to be provided with the cylinder of through hole 11, and jet tray 2 covers above mixing chamber 1, and jet tray 2 is provided with fire hole 21 at least one, describedly goes up the top that fire hole 21 is positioned at the through hole 11 of mixing chamber 1.

Fig. 2 and Fig. 3 are described the mixing chamber 1 of burner shown in Figure 1, and mixing chamber 1 is one to be provided with the cylinder of through hole 11, and mixing chamber 1 cylinder global shape is positive six prisms in the present embodiment, are that the axle center is provided with circular through hole 11 with positive six prismatic central shafts.Distance between the positive six prismatic opposite side is 140mm, and the diameter of manhole 11 is 110mm, and the height of mixing chamber 1 is 70mm.The such shape and the setting of parameter make burner shown in Figure 1 can be directly installed on more existing gas stoves, only need the kitchen range core on the cooking stove is removed, and this burner mixing chamber 1 buckle closure is got final product on the kitchen range of former cooking stove.Other devices such as combustion gas, air duct need not change fully, can repack former cooking stove into a sufficient combustion easily, and the thermal efficiency is higher, the novel energy-conserving gas stove of flame stabilization.

Certainly, the global shape of mixing chamber 1 can also be cylinder, and tetragonal prism or the like cylinder body shape, the through hole 11 of mixing chamber 1 also can be shapes such as ellipse, rectangle, and the parameter of the two also can change along with the needs of cooking stove.Burner of the present utility model like this can adapt to the needs of various existing cooking stoves, also can be installed on various novel cooking stoves.

Fig. 3 and jet tray 2 shown in Figure 4, its peripheral shape are the regular hexagon identical with mixing chamber 1, also can be other shapes inequality, and be for example circular.Distance between the regular hexagon opposite side of jet tray 2 is 140mm, highly is 20mm.Go up fire hole 21 for 48 that are provided with the symmetry issue on this jet tray 2, the described fire hole 21 of going up evenly is distributed as a circle, and the diameter of fire hole 21 is 4mm on each.Fire hole 21 inside of the circle that forms that distributes on above-mentioned 48, by 30 diameters be 4mm last fire hole 21 evenly distributions formed a less circle, described these two circles are concentric circles.Be provided with the exhaust gas nozzle 22 of a projection at the central part of jet tray 2 upper surfaces, jet pipe is circular, and diameter is 7mm, and the height of projection is 15mm.This jet tray 2 covers above mixing chamber 1, and described upward fire hole 21 is positioned at the top of the through hole 11 of mixing chamber 1.Be combustion gas and air can be by mixing chamber 1 and the last fire hole 21 that flows through jet tray 2 after mixing burn.Described exhaust gas nozzle 22 can connect a normal prescribed gas pipe, in order to constantly shining cap 4 air feed.

The size of the bore dia on the jet tray 2 and the distribution in hole can be carried out the various designs that meet the requirement of cooking stove and combustion flame according to the state of the art, and these are not core of the present invention place.The exhaust gas nozzle 22 that is positioned on the jet tray 2 also can be shapes such as square body or three cornues, especially can be different according to various requirement as for the height of projection.In the embodiment shown in fig. 1, according to inventor's knowledge and experience hole on the jet tray 2 and exhaust gas nozzle 22 have been made to meet the optimal design of instructions for uses such as present food and drink, dining room, hotel.

The last fire hole 21 that is provided with on the described jet tray 2 can be the straight hole perpendicular to the plate face, but in order further to improve the efficiency of combustion of burner, the last fire hole 21 of Fig. 3 and jet tray 2 shown in Figure 4 can be designed as the hole that tilts along the tangent to periphery direction, prolonged the heat transfer time of mist like this at intralamellar part, and the direction of mist ejection is not vertically upward, but horizontal-shift has been arranged, thus can form swirl flame, thus the thermal efficiency further improved.The last fire hole 21 of Fig. 3 and jet tray 2 shown in Figure 4 also can be designed as the hole that distributes radially, and promptly the hole is that outer rim to jet tray 2 tilts, and can prolong heat transfer time equally, changes the mist direction that flows, and reaches the purpose that improves efficiency of combustion.Certainly, also the last fire hole 21 of Fig. 3 and jet tray 2 shown in Figure 4 can be designed to above-mentioned two kinds of features stack and form new design, for example, last fire hole 21 is designed to along the structure of tangent to periphery direction rotation rising, thereby can form the swirl flame that helical form rises, prolong heat transfer time, it is more abundant to burn, than ordinary burner, can improve the thermal efficiency more than 10%.

Preferred burner can also comprise the flow distribution plate that is provided with passage, and this flow distribution plate is arranged in the through hole 11 of described mixing chamber 1.The profile of flow distribution plate gets final product can stablize to be placed in the through hole 11, and best placement location is the stable centre that is placed on mixing chamber 1 through hole 11 of flow distribution plate.Passage the best of flow distribution plate should be uniformly distributed in the straight hole or the curved hole of arc of whole flow distribution plate, and diameter is 4mm.Certainly the flow distribution plate upper vent hole also can be provided with equally according to jet tray 2.Pass through as long as the most basic design can be satisfied combustion gas, obtaining better effect then needs passage can prolong heat transfer time, and it is best changing gas flow direction.Thereby the existence of this flow distribution plate makes gaseous mixture to enter the flow direction that upper space has changed mist by this passage, make the time of staying of gaseous mixture in mixing chamber 1 obtain prolonging, the collision degree is strengthened, thereby makes preheating and mixed process more abundant; And mist flows through the flowing velocity that long and narrow passage can improve mist from bigger lower space.

Fig. 5 and shown in Figure 6 be a heat storage hood 3; these heat storage hood 3 centers are provided with the circular hole 32 that adapts with described burner; described heat storage hood 3 is arranged on the jet tray 2 by the annular base 34 of its lower end; the circular hole 32 of heat storage hood 3 cover bodies 31 bottoms exposes the last fire hole 21 of jet tray 2, and the inner surface of described heat storage hood 3 also comprises the circular fire holding cycle 33 of projection.It all is feasible adopting other projection or distribution mode, and the function that can have fire gets final product, but the fiery effect of holding together of circular fire holding cycle 33 structures is best.Preferred heat storage hood 3 cover bodies of the utility model 31 inner surfaces are the paraboloid of revolution, and top diameter is 245mm, and the height of cover body 31 is 50mm, and the height of bottom base 34 is 20mm.Wherein the shape of the circular hole 32 of heat storage hood 3 bottoms can be an arbitrary shape, and the last fire hole 21 that guarantees to expose jet tray 2 gets final product.The effect of the base 34 of its lower end is to guarantee this heat storage hood 3 stable being placed on the jet tray 2, can be the regular hexagon structure identical with jet tray 2 shapes, also can wait other structures for circle.Because cooker needs to leave flame one segment distance in use, so a cooker brace table can also be set on heat storage hood 3, the use of heat storage hood 3 makes flame directly not contact cool exterior air, thereby improves the service efficiency of combustion gas, has avoided heat loss.

Fig. 7 and shown in Figure 8 be constantly shining cap 4, this constantly shining cap 4 is nested with on the top of described exhaust gas nozzle 22, described constantly shining cap 4 is provided with 8 Chang Minghuo holes 41, is double-deck and distributes, and be in staggered distribution mutually.Can be distributed on the whole side, the part that also can only distribute gets final product.Certainly the size and the quantity in Chang Minghuo hole 41 can be provided with arbitrarily.The height of the preferred constantly shining cap 4 of the utility model is 25mm, and global shape is the cylinder of a hollow, and the upper end is an airtight end face, is arc angling around the end face, and cylinder bottom surface diameter is 45mm.The shape of constantly shining cap 4 can change along with the shape of exhaust gas nozzle 22 on the jet tray 2.The setting of constantly shining cap 4 is exactly for fear of repeatedly igniting, thereby utilizes less combustion gas to keep not extinguishing of a less flare.And the use of heat storage hood 3 also makes outer the wind comes from be not easy directly to blow to constantly shining cap 4, thereby protection Chang Minghuo is difficult for extinguishing.

The utility model also provides a kind of gas stove that uses burner mentioned above, comprises stove, Gas Pipe, air hose, and described burner is arranged on the burner support platform, also can be used as the structure of one and realizes.The burner support platform is placed described burner for stable, and the bottom of described burner is a mixing chamber 1, so the design of burner support platform should match with the structure of mixing chamber 1.The various decision design of described burner can be applied on this gas stove, reach sufficient combustion, effectively reduce the purpose of the harmful substance in the flue gas.

More than a kind of burner provided by the utility model and gas stove are described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1, a kind of burner is characterized in that: comprise mixing chamber and jet tray, mixing chamber is one to be provided with the cylinder of through hole, and jet tray covers above mixing chamber, and jet tray is provided with fire hole at least one, describedly goes up the top that fire hole is positioned at the through hole of mixing chamber.

2, a kind of burner as claimed in claim 1 is characterized in that: comprise that also one is provided with the flow distribution plate of passage, this flow distribution plate is arranged in the through hole of described mixing chamber.

3, a kind of burner as claimed in claim 1 or 2 is characterized in that: the hole of the last fire hole of described jet tray for tilting along the tangent to periphery direction.

4, a kind of burner as claimed in claim 1 or 2 is characterized in that: the hole of the last fire hole of described jet tray for distributing radially.

5, a kind of burner as claimed in claim 1 or 2, it is characterized in that: also comprise constantly shining cap and the exhaust gas nozzle that is arranged on the jet tray, this exhaust gas nozzle is raised in the upper surface of jet tray, described constantly shining cap is nested with the top at this exhaust gas nozzle, and described constantly shining cap is provided with at least one Chang Minghuo hole.

6, a kind of burner as claimed in claim 1 or 2, it is characterized in that: also comprise heat storage hood, described heat storage hood cover body inner surface is the paraboloid of revolution, the cover body bottom center is provided with the circular hole that adapts with described burner, described heat storage hood is arranged on the jet tray, and the circular hole of cover body bottom exposes the last fire hole of jet tray.

7, a kind of burner as claimed in claim 6 is characterized in that: the inner surface of described heat storage hood also comprises the circular fire holding cycle of projection.

8, a kind of gas stove that uses the described burner of claim 1 comprises stove, Gas Pipe, air hose, it is characterized in that: also comprise burner and burner support platform; Described burner comprises mixing chamber and jet tray, and mixing chamber is one to be provided with the cylinder of through hole, and jet tray is connected in the top of mixing chamber, and jet tray is provided with fire hole at least one, describedly goes up the top that fire hole is positioned at the through hole of mixing chamber; Described burner is arranged on the burner support platform.

9, a kind of gas stove as claimed in claim 8 is characterized in that: comprise that also one is provided with the flow distribution plate of passage, this flow distribution plate is arranged in the through hole of described mixing chamber.

10, a kind of as claimed in claim 8 or 9 gas stove is characterized in that: the hole of the last fire hole of described jet tray for tilting and distribute radially along the tangent to periphery direction.