CN205316323U - High efficiency combustor and gas -cooker - Google Patents

Abstract

The utility model provides a high efficiency combustor and gas -cooker, increasing the heat efficiency, and simple structure greatly can not increase the combustor cost. High efficiency combustor includes furnace end, wai huogai, interior fire lid and ignition needle, and the furnace end is penetrated tub including drawing, the head hybrid chamber, divide air cavity and secondary air passageway, interior fire is covered to distribute there is interior ring fire hole, the equipartition is equipped with outer ring fire hole on the interior rampart of outer fire lid and the outer rampart, and wherein, outer ring fire hole on the interior rampart includes the vertical setting of axis that the hole of angering, interior ring fire hole were assisted to outer loop owner fire hole that the interval set up and outer loop. The utility model discloses the vertical setting of axis in the interior ring fire hole on the inner ring fire lid of combustor can make central flame elongate direct -flushing to cooking utensils bottom surface, makes the central flame of high temperature distribute along the bottom of a boiler, can improve the thermal efficiency of combustor greatly, reduces calorific loss, simultaneously, only through the fiery hole axis direction on the change inner ring fire lid, and need not to set up in addition spare part, can not increase the manufacturing cost of combustor.

Description

A kind of burner with high efficiency and gas-cooker

Technical field

This utility model relates to the structure of burner for gas stove to be improved, and particularly relates to a kind of energy-efficient burner and has the gas-cooker of this burner.

Background technology

In prior art, for improving the thermal efficiency of burner with energy-saving and emission-reduction, generally adopt following several method: be first method one, improve burner primary air injection volume, make fuel gas buring more complete, reduce discharge amount of exhaust gas, such that it is able to reduction pan bracket, the distance of the compression the bottom of a pan and burner; Method two is to reduce the diameter of burner, and the flame of fuel gas buring is more concentrated, and extends the time of contact of high-temperature flue gas and the bottom of a pan simultaneously; Method three is the angle increasing that fires, and direct flame contact is to the bottom of a pan; Method four is increase cumulative circle around burner, and heat can be assembled and reflex to the bottom of a pan by cumulative circle. But said method causes that burner structure is complicated, relatively costly.

Additionally, because the use bad environments of kitchen range, there are water, oil, soup, dish etc. attached on the burner in use, but burner structure is compact considers that secure face can not be accomplished too big again, then user is when using gas-cooker, often facing burner fire lid, burner, cooker racks etc. not easy to clean, ignition electrode head easily has foul to fall herein above simultaneously, the problem causing misfire.

Summary of the invention

The utility model proposes a kind of burner with high efficiency and gas-cooker, be greatly improved the thermal efficiency, reduce thermal loss and simple in construction, it is not necessary to parts are additionally set, burner cost will not be increased.

In order to reach above-mentioned technical purpose, the technical scheme of the burner with high efficiency that this utility model is proposed is, a kind of burner with high efficiency, including burner, outer fire cover, inner fire cover and ignition electrode, described burner includes induction tunnel, head hybrid chamber, point air cavity and secondary-air passage; On described inner fire cover, distribution has internal ring fire hole;Being laid with outer shroud fire hole on the internal ring wall of described outer fire cover and external annulus, wherein, the outer shroud fire hole on internal ring wall includes the main fire hole of spaced outer shroud and outer shroud auxiliary fire hole, and the axis vertical of described internal ring fire hole is arranged.

This utility model also proposed a kind of gas-cooker, and including burner, described burner is above-mentioned burner with high efficiency.

Compared with prior art, this utility model has the positive effect that: the axis vertical of the internal ring fire hole on the interior ring fire cover of this utility model burner is arranged, flame of centre can be made to elongate and to fling kitchen range bottom surface, the flame of centre making high temperature is distributed along the bottom of a pan, it is greatly improved the thermal efficiency of burner, reduces thermal loss; Meanwhile, only by the fire hole axis direction on ring fire cover in changing, without additionally arranging parts, the production cost of burner will not be increased.

Accompanying drawing explanation

Fig. 1 is the structure chart of this utility model burner with high efficiency;

Fig. 2 is the three-dimensional structure diagram of the interior ring fire cover of this utility model burner with high efficiency;

Fig. 3 is the three-dimensional structure diagram of the external ring fire cover of this utility model burner with high efficiency;

Fig. 4 is the front view of Fig. 3;

Fig. 5 is that the A-A of Fig. 4 is to sectional view;

Fig. 6 is the three-dimensional structure diagram of the burner of this utility model burner with high efficiency.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in more detail.

Referring to figs. 1 through Fig. 6, a kind of burner, including burner 10, outer fire cover 20, inner fire cover 30 and ignition electrode 40, certainly drain pan 50, valve component 60 and main trachea 70 are also included, drain pan 50 is supporting parts, burner 10, valve component 60, main trachea 70 are separately mounted on drain pan 50, and meanwhile, burner 10 includes induction tunnel 11, head hybrid chamber 12, point air cavity 13 and secondary-air passage 14; On inner fire cover 30, distribution has internal ring fire hole 31; Being laid with outer shroud fire hole on the internal ring wall of outer fire cover 20 and external annulus, wherein, the outer shroud fire hole on internal ring wall 21 includes the main fire hole 22 of spaced outer shroud and outer shroud auxiliary fire hole 23. In prior art, the internal ring fire hole 31 on inner fire cover 30 is usually arranged obliquely through the sidewall of inner fire cover 30, and its axis about becomes 20-30 ° with horizontal plane, so makes flame of centre not fling the bottom of a pan, and partial heat can run off, and makes the burner thermal efficiency decline. The burner with high efficiency that the present embodiment is proposed, unlike the prior art, as shown in Figure 2, the axis vertical of the internal ring fire hole 31 on inner fire cover 30 is arranged, namely horizontal plane it is perpendicular to upwards, make flame of centre elongate and fling the bottom of a pan, make the flame of centre of high temperature be distributed along the bottom of a pan, be greatly improved the thermal efficiency of burner.

Having ground, internal ring fire hole 31 includes the main fire hole of internal ring 311 and is positioned at the internal ring auxiliary fire hole 312 of internal ring main fire hole 311 periphery. In prior art, the diameter of the main fire hole 311 of internal ring of inner fire cover 30 is generally 2.3-2.6mm, the diameter of internal ring auxiliary fire hole 312 is generally 1.5-1.6mm, and the diameter range of the main fire hole 311 of internal ring is 6-10mm in the present embodiment, the diameter range of internal ring auxiliary fire hole 312 is 1.6-2.0mm, fire hole enlarged diameter, improves the firing amount of fire hole on inner fire cover 30, improves the thermal efficiency further. Certainly, the endogenous fire fire hole 31 on inner fire cover 30 can also be the fire hole that several diameters are identical, fire hole diameter preferably 1.4 ~ 1.8mm, fire hole wall thickness 1.2 ~ 1.8mm.

Further, as shown in Figure 5, angle b between axis and the horizontal plane of the outer shroud fire hole (namely including the main fire hole 22 of outer shroud and outer shroud auxiliary fire hole 23) on outer fire cover 20 internal ring wall 21, namely the angle that fires is 30-60 °, and the angle between the main fire hole 22 of prior art outer-loop and outer shroud auxiliary fire hole 23 and horizontal plane is 20-30 °, so, in the present embodiment the outer shroud fire hole on outer fire cover 20 internal ring wall 21 fire angle increase, flame is made more to focus on center, the bottom of a pan, extending the heat exchanger time with the bottom of a pan, the thermal efficiency also can effectively promote.

Further, the internal ring wall 21 of outer fire cover 20 is in uncovered shape wide at the top and narrow at the bottom, as shown in Figure 3 and Figure 5, similar horn mouth shape, this kind of structure outer fire cover internal ring wall can reflect heat to the bottom of a pan, reduces thermal convection current and thermal-radiating loss, and the thermal efficiency also will have very big lifting.

The external diameter of outer fire cover 20 is 110-115mm, and outer fire cover diameter reduces compared to existing technology, is also beneficial to heat and focuses on the bottom of a pan.

Additionally, as it is shown on figure 3, in the outer shroud fire hole on outer fire cover 20 internal ring wall 21, the quantity of the outer shroud auxiliary fire hole 23 between the two main fire holes 22 of adjacent outer shroud is 2-4, in the present embodiment between the two main fire holes 22 of adjacent outer shroud outer shroud auxiliary fire hole 23 quantity be 3, as shown in Figure 3 and Figure 5. 2-4 outer shroud auxiliary fire hole 23 is set between the two main fire holes 22 of adjacent outer shroud, and prior art is usually between the two main fire holes 22 of adjacent outer shroud and only has an outer shroud auxiliary fire hole 23, namely embodiment adds the quantity of outer shroud auxiliary fire hole 23 between the two main fire holes 22 of adjacent outer shroud, owing to outer shroud assists fire hole 23 diameter less than the main fire hole 22 of outer shroud, its speed that fires is slower than the main fire hole 22 of outer shroud, between the two main fire holes 22 of adjacent outer shroud, the quantity of outer shroud auxiliary fire hole 23 increases, then can play the main fire hole 22 of stable outer shroud to fire the effect of speed, make burner combustion more stable fully.

For burner, its property easy to clean in routine use process is also the performance indications that consumers in general primarily consider, consider based on its property aspect easy to clean, in the present embodiment, offer guiding gutter 32 at the top edge place of inner fire cover 30, if use procedure has the decoction liquid of excessive pot, can flow out along guiding gutter 32, prevent decoction sinuous flow everywhere blocking fire hole, make burner there has been very big lifting in spatter property side.

Further, as shown in Figure 2, for improving the ignition success rate of burner ignition pin 40, the present embodiment is provided with the flange 33 extended radially outward at the top edge place of inner fire cover 30, and ignition electrode 40 is positioned at the underface of flange 33, then ignition electrode 40 is covered by flange 33, but not exposed outside, the decoction liquid then will not being spilled off covers affects ignition success rate, flange 33 is preferred and inner fire cover 30 is one-body molded, be all metal material, then flange 33 is just lighted a fire by ignition electrode 40, also can improve ignition success rate further.

It addition, secondary-air passage 14 is positioned at the lower section of branch chamber 13, and it is and the sector channel of branch chamber 13 coaxial line. Then after the present embodiment high efficiency burner is installed and put in place, secondary-air passage 14 is positioned at the top of combustor panel, expose setting, the upper wind inlet type realizing auxiliary air supplements, and compare and original secondary-air passage is set on burner gas separating seat diapire, it is possible to be conducive to the injection of auxiliary air, and be convenient to clean the foul in secondary-air passage, it is big that the secondary-air passage 14 of arc compares original access opening area, has further facilitated cleaning and cleaning.

Further, if the area of secondary-air passage 14 is less, the auxiliary air amount of institute's injection can be not enough, the area of secondary-air passage 14 is excessive, furnace head structure can be made limited, through putting into practice gained, the central angle angular range corresponding to secondary-air passage 14 is advisable in 90 °-160 °, and it is highly about 6-10mm.

The present embodiment also proposed a kind of gas-cooker, and including burner, the concrete structure of described burner referring to the description of the embodiment of this utility model burner with high efficiency and accompanying drawing 1 to Fig. 6, can not repeat them here.

The above, it it is only preferred embodiment of the present utility model, being not the restriction that this utility model is made other form, any those skilled in the art are changed or are modified as the Equivalent embodiments of equivalent variations possibly also with the technology contents of the disclosure above. But every without departing from technical solutions of the utility model content, any simple modification, equivalent variations and remodeling above example made according to technical spirit of the present utility model, still fall within the protection domain of technical solutions of the utility model.

Claims (10)

1. a burner with high efficiency, including burner, outer fire cover, inner fire cover and ignition electrode, described burner includes induction tunnel, head hybrid chamber, point air cavity and secondary-air passage; On described inner fire cover, distribution has internal ring fire hole; Being laid with outer shroud fire hole on the internal ring wall of described outer fire cover and external annulus, wherein, the outer shroud fire hole on internal ring wall includes the main fire hole of spaced outer shroud and outer shroud auxiliary fire hole, it is characterised in that: the axis vertical of described internal ring fire hole is arranged.

2. burner with high efficiency according to claim 1, it is characterized in that: described internal ring fire hole includes the main fire hole of internal ring and is positioned at the internal ring auxiliary fire hole that the main fire hole of internal ring is peripheral, the diameter range of the main fire hole of described internal ring is 6-10mm, and the diameter range of described internal ring auxiliary fire hole is 1.6-2.0mm.

3. burner with high efficiency according to claim 1, it is characterised in that: the angle between axis and the horizontal plane of the outer shroud fire hole on the internal ring wall of described outer fire cover is 30-60 °.

4. burner with high efficiency according to claim 3, it is characterised in that: the internal ring wall of described outer fire cover is uncovered shape wide at the top and narrow at the bottom.

5. burner with high efficiency according to claim 4, it is characterised in that: the external diameter of described outer fire cover is 110-115mm.

6. burner with high efficiency according to claim 3, it is characterised in that: in the outer shroud fire hole on described outer fire cover internal ring wall, the quantity of the outer shroud auxiliary fire hole between the two main fire holes of adjacent outer shroud is 2-4.

7. require the burner with high efficiency according to any one of 1 to 6 according to claim, it is characterised in that: the top edge place of described inner fire cover offers guiding gutter.

8. require the burner with high efficiency described in 7 according to claim, it is characterised in that: the top edge place of described inner fire cover is additionally provided with the flange extended radially outward, and described ignition electrode is positioned at the underface of described flange.

9. require the burner with high efficiency described in 1 according to claim, it is characterised in that: described secondary-air passage is positioned at the lower section of described point air cavity, and is and the sector channel of described point of air cavity coaxial line.

10. a gas-cooker, including burner, it is characterised in that: described burner is the burner with high efficiency according to any one of claim 1 to 9.