CN2157424Y - Burner for oil stove - Google Patents

Abstract

The utility model relates to a burner for an oil stove, comprising a furnace head, a mixing chamber, a gasification pipe and a drainage knee pipe. The utility model is characterized in that an internal combustion holder is arranged in the inner cavity of the mixing chamber; the gasification pipe which goes through the mixing chamber is arranged above the internal combustion holder 5. The utility model whose gasification pipe is moved down to the interior of the mixing chamber has the advantages that the preheating efficiency is high; the time of ignition and preheating is short; accidental extinguishing can be prevented; the distance between the furnace head and the bottom of a pot can be shortened to an optimum value so the utilization rate of the thermal source is high; the furnace body can be thinner so the material can be saved, the cost can be reduced and the appearance can be improved.

Description

Burner for oil stove

The utility model relates to a kind of oil burner burner, belongs to the improvement of fuel oil stove and accessory.

The burner of family expenses oil burner mainly is made up of vapor lamp, drainage bend pipe, mixing chamber and the several critical pieces of burner, existing oil burner burner generally is that vapor lamp is horizontal above burner, rely on the flame heat vapor lamp of burner, spurt into the drainage bend pipe after making the fuel gasification in the pipe, this structure has following problem: outside 1, vapor lamp was exposed to, the pre-thermal efficiency was low, and bigger pre-thermal power need be provided during combustion preheater, preheating time is long, uses operation inconvenience; 2, vapor lamp is horizontal above burner, so burner surface to the bottom of a pan distance is bigger, influences the thermal efficiency; Cause burner thick stupid simultaneously, influence the stove and accessory outward appearance; 3, extinguish and when in time not found when the stove and accessory accident, can cause fuel excessive and waste, influence is used and contaminated environment.

The utility model is improved at above-mentioned deficiency, and purpose is to provide a kind of pre-thermal efficiency height, short oil burner burner of combustion preheater time.

The purpose of taking second place of the present utility model be for reduce burner to the bottom of a pan distance, improve the thermal source utilization rate, and body of heater thickness is reduced, improve outward appearance.

The utility model as shown in Figure 1, form by burner 1, mixing chamber 2, vapor lamp 3, drainage bend pipe 4, wherein mixing chamber 2 is positioned at burner 1 below and is structure as a whole with burner 1, the nozzle 31 of vapor lamp 3 faces toward and is fixed on the inlet of drainage bend pipe 4, the outlet of drainage bend pipe 4 inserts mixing chamber 2, the utility model main feature is the internal combustion seat 5 that mixing chamber 2 inner chambers are provided with vertical arrangement, and vapor lamp 3 vertically passes mixing chamber 2 inner chambers and is positioned at the top of internal combustion seat 5.During the utility model work, the fuel vapour sub-fraction that enters mixing chamber 2 from 4 outlets of drainage bend pipe is burnt through internal combustion seat 5, make the preheating space that forms a zonule in the mixing chamber, be positioned at this regional vapor lamp 3 and can obtain preheating preferably, other most of fuel vapours that enter mixing chamber 2 continue to rise to burner from the other space of the side of internal combustion seat 5, make burner keep constantly burning.

Thereby the utility model has the following advantages owing to vapor lamp is dropped in the mixing chamber:

1, vapor lamp preheating in the preheating chamber of semiclosed shape, heat is lost few, mixes the corresponding raising of indoor temperature, preheating rate of gasification height, the thermal efficiency improves, and the combustion preheater time shortens greatly, thus fuel saving, user-friendly and use;

2, distance can foreshorten to optimum value between the burner and the bottom of a pan, and the thermal source utilization rate improves;

3, because the internal combustion seat that is used for preheating is in body of heater inside, and flame is subjected to ectocine very little, be difficult for extinguishing, when extinguishing as burner flame accident, internal combustion seat flame can be rapidly with its resume combustion, thereby burner is had prevent the ability of accident extinguishing.

4, body of heater can be done thinlyyer, thereby can save lot of materials, reduces cost and improves outward appearance greatly, saves usage space;

5, be provided with the stove of atomizer for need and since atomizer with vapor lamp reduce to burner following, preheat flame sprays in the mixing chamber and burns, therefore spraying all reduces greatly to the pollution and the noise of environment when lighting a fire.

Above-mentioned advantage makes the overall performance of fuel oil (comprising the synthetic fuel class) stove and accessory bring up to a new height, makes the fuel oil stove and accessory be easier to be accepted by consumers in general.

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model embodiment 1 internal structure schematic diagram;

Fig. 3 is embodiment 1 an inner vertical view;

Fig. 4 is the A-A cutaway view of embodiment 1 Fig. 2;

Fig. 5 is embodiment 2 internal structure schematic diagrames;

Fig. 6 is the B-B cutaway view of embodiment 2 Fig. 5;

Fig. 7 is embodiment 3 internal structure schematic diagrames;

Embodiment 1: these are for example shown in Fig. 2～4, burner 1 burner body is the plate-shape metal burner, burner 1 is connected as a single entity with mixing chamber 2 housings and is fixed on the base plate 6 of stove, vapor lamp 3 inlets join with flowline 7, its nozzle 31 1 ends face toward and are fixed on the inlet of drainage bend pipe 4, and the outlet of drainage bend pipe 2 is connected on the bottom of mixing chamber 2; Internal combustion seat 5 adopts the infrared metal ceramic wafer, and it is a strip, is arranged on the middle section position of mixing chamber 2 inner chambers, its forward and backward two ends are fixed on mixing chamber 2 inwalls, do not seal between both sides and mixing chamber 2 inwalls, leave certain space, so that rise to the burner burning thus for fuel vapour.

The utility model applied to the situation of stove and accessory when 2～4 demonstrations of this illustration were fuel with carbon five or alcohols fuel oil, because rate of gasification is higher under the normal temperature of carbon five fuel own, so ignition system need not ad hoc atomizer, and adopting the direct-fire mode: the igniting pin 8 of pulse igniter is arranged on by mixing chamber 2 open side, the igniting needle point extend into internal combustion seat 5 tops, like this when the vapor lamp inlet is opened, at first be that carbon five tiny oil droplets are through vapor lamp → drainage bend pipe → mixing chamber, internal combustion seat 5 is at first lighted in the igniter needle point discharge that is switched on power supply this moment, and its flame is then lighted the burner that is positioned at its top and realized igniting; In order to make the fuel particle refinement, guarantee ignition quality, drainage bend pipe 4 sides side is provided with little blower fan 9, this little blower fan 9 and igniter while break-make power supply, when igniter was worked like this, little blower fan rotated blowing simultaneously, will be from the further dispersing and disintegrating of tiny oil droplet of vapor lamp 3 nozzles ejection, and make it fully to mix, thereby become combustibility fuel gas preferably with air in certain amount.When igniting finishes, igniter and little blower fan 9 cut off the power supply simultaneously and quit work, the continuous heating and gasifying pipe 3 of the flame of internal combustion seat 5, thus guarantee that fuel gas constantly sprays, guarantee that burning normally carries out.It is to be noted that when drainage bend pipe 4 was provided with little blower fan, its inlet was wanted complete closed, required air mainly enters in the drainage bend pipe 4 by the passage of little blower fan 9 with the external world during burning.

This example aims to be used carbon five or low, the volatile alcohols oil fuel of flash-point and designs, have simple in structure, igniting is fast, use easy to operate advantage.

Embodiment 2: for example shown in Fig. 5,6, the utility model applied to the situation of stove and accessory when demonstration was fuel with difficult volatilization fuel oil such as light diesel fuel, kerosene for this.The same example of this routine primary structure, different is that burner 1 burner body is the infrared metal ceramic wafer, and internal combustion seat 5 adopts the plate-shape metal burner, and the inlet of drainage bend pipe 4 communicates with the external world and is pyramidal structure.This example is because the difficult volatilization of fuel oil, ignition system need be provided with atomizer, to relatively more easily gasifying some the general single-stage atomizer 10 that adopts as shown in Figure 5 of fuel oil, its outer conduit 11 that is with, have groove 12 on it, conduit 11 stretches into mixing chamber 2 inner chambers, is positioned at internal combustion seat 5 tops, vapor lamp 3 belows; The igniting pin of pulse igniter is arranged on by mixing chamber 2 open side, the igniting needle point extend into the top of mixing chamber 2 inner chambers, conduit 11, influence the pre-heat effect of 5 pairs of vapor lamps 3 of internal combustion seat for fear of conduit 11, conduit 11 operated by rotary motion vapor lamp 3 tiltedly below rather than under.During the work of this example, at first open atomizer 10, this moment, mist of oil sprayed into the preheating zone of mixing chamber 2, the igniter igniting that starts simultaneously makes oil mist combustion, vapor lamp 3 heating and mixing chamber 2 temperature are raise rapidly, after reaching operating temperature, open vapor lamp 3 adjusting knobs, fuel through heating and gasifying enters in the mixing chamber 2 through drainage bend pipe 4 from the nozzle ejection, flammable oil gas sub-fraction is through internal combustion seat 5 burning heating and gasifying pipes 3, keep the stove burning to guarantee that its inner fuel oil constantly gasifies, major part then continues to rise at burner by pilot combustion.

Embodiment 3: this is for example shown in Figure 7, and its difference with last example is to adopt multistage atomizing device 13, and the fuel-oil atmozation that is suitable for difficult gasification is lighted a fire.The CN92232448.4 patent document that the auspicious the applicant of opinion of atomizer 13 structures applies for, it is arranged on vapor lamp 3 belows, and its nozzle is over against mixing chamber 2 openings, and pulse igniter 8 is positioned at atomizer 13 front portions, and the igniting needle point stretches into atomizer 8 front portions.

Other structures of this example are identical with example 2, and operation principle and process are also roughly the same.

This example sprays into the mixing chamber internal combustion with last example owing to combustion preheater flame, thermal efficiency height, and preheating time is short, and spraying all reduces greatly to the pollution and the noise of environment during igniting.

Claims (4)

1, a kind of oil burner burner, form by burner 1, mixing chamber 2, vapor lamp 3, drainage bend pipe 4, wherein mixing chamber 2 is positioned at burner 1 below and is structure as a whole with burner 1, the nozzle 31 of vapor lamp 3 faces toward and is fixed on the inlet of drainage bend pipe 4, the outlet of drainage bend pipe 4 inserts mixing chamber 2, it is characterized in that mixing chamber 2 inner chambers are provided with the internal combustion seat 5 of vertical arrangement, vapor lamp 3 vertically passes mixing chamber 2 inner chambers and is positioned at the top of internal combustion seat 5.

2, burner according to claim 1 is characterized in that above-mentioned internal combustion seat 5 adopts infrared metal ceramic wafer or plate-shape metal burner.

3, burner according to claim 1 and 2 is characterized in that internal combustion seat 5 is strip, and it is arranged on the middle section position of mixing chamber 2 inner chambers, and its forward and backward two ends are fixed on mixing chamber 2 inwalls.

4, burner according to claim 1 and 2 is characterized in that above-mentioned drainage bend pipe 4 sides side is provided with little blower fan 9.

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