CN2051478U - Fuel oil gasifying stove type multi-purpose chafing dish - Google Patents

Abstract

The utility model relates to a fuel oil gasifying stove type multi-purpose chafing dish, belonging to a gasifying type liquid fuel multi-function domestic range whose combustion area can be changed. A gasifying pipe is arranged in a caulking groove on the inner side of a fire tray to combine the gasifying pipe and a combustor into integration, guaranteeing the complete gasification of fuel oil. By adopting different fire trays to change the combustion areas, the utility model has the functions of a chafing dish and a general gasification oil stove. The utility model with coal oil and light diesel oil as fuel has the advantages of low cost, energy saving, high efficiency, strong fire power, little pollution, no smell and safe and convenient use and can be widely used for multi-purpose of family cooking, baking, warming, etc.

Description

Fuel oil gasifying stove type multi-purpose chafing dish

The utility model relates to a kind of liquid fuel home furnace, and it adopts the vaporization type liquid-fuel burner of convertible combustion zone, and has the function of chafing dish and general vaporization oil stove concurrently.

Traditional chafing dish adopts solid fuels such as charcoal more, can produce ash bits contaminated environment during burning, and in the process of having a dinner for keeping stable fire, need repeatedly add fuel, use very inconvenient.Though Gas burning chafing dish is arranged in recent years, Alcohol chafing dish, electric chafing dish is put on market, but there is following shortcoming in these products: one, Gas burning chafing dish need be equipped with special gas tank and heat-proof device or long air hose, all very inconvenient when recording combustion gas and using, in case gas tank is heated excessively or pipeline leaks, and causes fire and explosive risks easily.Two, Alcohol chafing dish fuel cost height, heating surface (area) (HS is little, and is short with the fire time, be unfavorable for that many people have a dinner simultaneously, and the alcohol burning-point is low, and high volatility is if overturning is on fire easily accidentally.Three, electric chafing dish will consume a large amount of electric power, and long-time use easily causes the electric leakage accident, and is unsafe.Existing various be the vaporization oil stove of fuel with kerosene or light diesel fuel, though have advantages such as fuel cost is low, the thermal efficiency is high, safe in utilization, the structure of its burner is not suitable for chafing dish.And because the difference of the burning thermal treatment zone does not still have a kind of general-purpose type burner that can have chafing dish and general cooking stove function simultaneously concurrently at present, this has also limited the use of chafing dish in family's cooking.

The purpose of this utility model, it is cheap to provide a kind of fuel price, energy-conservation, efficient, reduces environmental pollution, safe and convenient to use, and has the multipurpose chafing dish of general cooking stove function concurrently.The purpose of this utility model realizes as follows: change the situation that the burning pipe burner of traditional vaporization oil stove or generating tube and burner are separated, generating tube is placed in the caulking groove of tray for combustion inboard, thereby generating tube and burner are integrated, both guaranteed the abundant vaporization of fuel oil, and made burner be applicable to the needs of chafing dish again.Simultaneously, utilize the different tray for combustion in outfit fire hole position to change the combustion zone, to realize the multiple function of double as chafing dish and general Evaporation stove.

Compared with the prior art the utility model has following advantage:

1, fuel cost is low, burning kerosene, light diesel fuel and the miscella of these two.

2, can have the function of chafing dish and general Evaporation stove concurrently by the conversion combustion zone, extensively be fit to culinary art cooking and baking in the family, multiple uses such as heating.

3, fuel gasification is fully, burning is complete, firepower is prosperous and powerful, the thermal efficiency is high, odorlessness, and both fuel saving had reduced environmental pollution again.

4, when as general cooking stove, can utilize the metal guard to make combustion gas carry out second-time burning, not only increase the stability of flame, make burning more complete, and produce strong infrared radiation, enlarge heating surface (area) (HS, improve the thermal efficiency.

5, use is convenient fully, does not have fire and explosive risks, has more saved the trouble of repeatedly adding fuel in the middle of having a dinner, and refuels once can guarantee that stable fire is lasting for using more than 10 hours continuously.

Below in conjunction with accompanying drawing enforcement of the present utility model is elaborated.

Fig. 1, gasification burner formula chafing dish general assembly drawing

Fig. 2, the burner installation diagram

Fig. 3, the A-A cutaway view of Fig. 2 (having removed tray for combustion)

Fig. 4 a is used for the tray for combustion part drawing of chafing dish

Fig. 4 b is used for the installation diagram of the tray for combustion of gasification burner and wind loop, guard

Fig. 5, fuel gasification stove general assembly drawing

Referring to Fig. 1, Fig. 5, the utility model is made up of body of heater, pot body, table (32) three parts, and oven body part is by shaft (5), fuel tank (1), inflator (2), Pressure gauge (3), delivery valve (4) and burner are formed, and fuel tank (1) is positioned at the bottom, its upper outside is equipped with inflator (2) and Pressure gauge (3) (being contained on the tank filler sleeve), and the top links to each other with the delivery valve (4) of belt length handle handwheel.Shaft (5) is the truncated cone-shaped housing, sidewall has grid hole (6), its lower edge is fixed by bolts to fuel tank top, the structure of burner such as Fig. 2, shown in 3, article four, the outwardly-bent protrusion in stage casing of U type generating tube (8) also is cross in twos relatively, and the edge that taper preheating handleless cup (9) is passed in its upper end links to each other with annular vaporizer (10), and annular vaporizer top is the porose lid dish (11) in center.Article four, the bottom of U type generating tube is welded on vaporization base 4) inwall on, wherein relative generating tube lower end (drawing the oil end), two positions links to each other with delivery valve (4) by attaching nut (7); Relative generating tube lower end (oil outlet end), two other position links to each other with nozzle (12); The induction tunnel (13) of nozzle top is fixed on the generating tube lower inside.The vaporization base is fixed in the circular hole at collet (15) center by the screw thread of outer wall.U type generating tube (8), taper preheating handleless cup (9), annular vaporizer (10), lid dish (11), induction tunnel (13) are all made with red copper, and nozzle (12), vaporization base (14), the available brass of attaching nut (7) are made; U type generating tube diameter is 4～7 millimeters, and the nozzle center aperture is less than 0.5 millimeter.The tray for combustion (17) that has fire hole (18) tips upside down on the collet, constitutes spray chamber (16).The edge of taper preheating handleless cup (9) and the circular hole at tray for combustion center are harmonious; The outer upside of U type generating tube (8) stage casing sweep embeds cross caulking groove (19) the inside of tray for combustion inwall just, to increase the heating surface area of generating tube.The utility model has two kinds of tray for combustions, the tray for combustion that is used for chafing dish (is seen Fig. 4 a), its fire hole position is in the side, the tray for combustion (seeing Fig. 4 b) that is used for general cooking stove, its fire hole position in the above, and wind loop (20) and secondary air hole (21) are arranged, and can on wind loop, place the metal guard (22) that is used for second-time burning on every side.Tray for combustion (17), fire hole place wall thickness is not more than 4 millimeters, and the diameter of fire hole (18) is less than 2 millimeters; Metal guard (22) is made by close double-deck nickel chromium triangle silk screen under last the dredging.Shown in Fig. 1,3, ring support (24) is fixed on collet (15) bottom with bolt (25), and lining is heat insulation with asbestos washer (23) between the two.The outside of ring support then is stuck in the inboard of shaft (5) upper limb, and whole burner is fixing thus.

Table (32) is a cylindrical housings, and sidewall also has grid hole (6), and its top is equipped with movable leg (33).The structure of pot body portion is: pot body (26) is traditional round annular groove shape, is furnished with annular pot cover (28) above, internal wall pot body surrounds burner hearth (29), and burner hearth extends upward bore and gradually carefully forms fiery chimney (30), and crown cap (31) is joined on fiery chimney top.The pot body is connected to the upper limb of shaft (5) by the foundation ring (27) of its underpart.(see figure 5) when the utility model uses as general cooking stove replaces the pot body portion with table (32), and the table bottom is connected to the upper limb of shaft (5).The technology of traditional chafing dish is all adopted in pot body (26), pot cover (28), fiery chimney (30), top cap (31), foundation ring (27), is made by copper or other metal, and delivery valve (4) can be made by brass.

Operation principle of the present utility model is as follows: at first utilize the upper end preheating of external heat source to annular vaporizer (10) and U type generating tube (8), fuel tank (1) passes through delivery valve (4) to U type generating tube fuel feeding then.Fuel oil is heated and fiercely vaporizes when annular vaporizer that passes through preheating and generating tube upper end, and oil gas enters spray chamber (16) from nozzle (12) ejection through induction tunnel (13).Simultaneously, because the swabbing action of induction tunnel, enter air in the shaft (5), also be inhaled into spray chamber by induction tunnel from grid hole (6), and with the abundant mixed aerosol of oil gas.Atomizing oil gas sprays into burning the burner hearth (29) from the fire hole (18) of tray for combustion (17).Along with tray for combustion heats up rapidly, the caulking groove (19) by its inwall is to the sweep heating of U type generating tube (8), impels in the pipe fuel oil further to vaporize, and moves in circles thus.During the burner operate as normal, with annular vaporizer (10) and U type generating tube (8) heated fuel oil simultaneously, and twice of fuel oil be by U type generating tube, and therefore vaporization is very abundant.But the tray for combustion (17) that the utility model adapted is different is to realize the conversion of combustion zone.When as chafing dish, heating furnace (29) wall is concentrated in the tray for combustion side in the combustion zone, and because the air draught effect of fiery chimney (30), enter the interior part air of body of heater from grid hole (6), be inhaled in the burner hearth by the space on the ring support (24), form secondary wind, because temperature is very high in the burner hearth with combustion-supporting, air is in liberal supply, make combustion gas before the fiery chimney that flies out, i.e. completing combustion has improved the thermal efficiency greatly.When as general cooking stove, the combustion zone is on tray for combustion, utilize the secondary air hole (21) of wind loop (20) bottom, to enter the interior air of table (32) from grid hole (6), and in the metal guard (22) of inhalation mask above tray for combustion, make the flame above the tray for combustion do second-time burning by the metal guard, form heat zone, unburnt gas is able to abundant burning, and produces strong infrared radiation, can be used for family's cooking and baking, heating etc. effectively.Concrete operating process is: during igniting, at first the pot body portion is taken off, be pressed into air with inflator (2) in fuel tank (1), reach 1 kilograms per centimeter to the reading of Pressure gauge (3) ²About.Then by covering the circular hole at dish (11) center.In taper preheating handleless cup (9), inject alcohol and light.After about 3 minutes, slowly open delivery valve (4) with alcohol burning (or using electric heater) preheating, the white mist of oil that begins to emerge in the fire hole (18) of tray for combustion this moment (17) can be lighted with match.When the fire hole place is covered with stable blue look flame, pot body portion (adding water in advance) is connected on the shaft (5), can bring into use.When flame-out, bleed off by the air in the vent valve goalkeeper fuel tank (1) on the Pressure gauge (3) earlier, this moment, flame weakened gradually, when treating that pressure gauge reading drops to zero, closed delivery valve (4) rapidly, and flame can extinguish.Use top cap (31) to cover fiery chimney (30) immediately after flame-out, can prevent in the burner hearth (29) the residual mist of oil gas contaminated air of emerging.Operating process when as general cooking stove is basic identical therewith, during just with the electric heater preheating, need take off metal guard (22) earlier, the metal guard is buckled on the tray for combustion (17) after waiting to light again.

Claims (7)

1, a kind of fuel gasification stove formula Multipurpose chafing dish, form by body of heater, pot body and table [32] three parts, it is characterized in that, oven body part is made up of shaft [5], fuel tank [1], inflator [2], Pressure gauge [3], delivery valve [4] and burner, install pot body additional in upper of furnace body and promptly form chafing dish, install table additional in upper of furnace body and promptly form Evaporation stove.

2, Multipurpose chafing dish according to claim 1, its burner is by attaching nut (7), U type generating tube (8), tapered preheating handleless cup (9), ring-like vaporizer (10), nozzle (12), induction tunnel (13), vaporization base (14), collet (15), tray for combustion (17) is formed, totally 4 of U type generating tubes (8) (two draw oil, article two, fuel-displaced), the outwardly-bent protrusion in its stage casing is also relative in twos, become cross, the edge that tapered preheating handleless cup (9) is passed in the upper end links to each other with ring-like vaporizer (10), ring-like vaporizer (10) top is the lid dish (11) of center oilhole, U type vaporizer bottom is welded on the inwall of vaporization base, the vaporization base is fixed in the circular hole at collet center by the screw of its outer wall, the tray for combustion that has fire hole (18) tips upside down on the collet, constitute spray chamber (16), the circular hole at the edge of tapered preheating handleless cup and tray for combustion center is harmonious, outside the sweep of U type generating tube stage casing, upside embeds in the cross caulking groove (19) of tray for combustion inwall just, the fixing of whole burner realized by ring-like support (24), ring-like support is fixed on the collet bottom with bolt (25), the centre is separated with asbestos washer (23), and the outside of ring support is stuck in the inboard of shaft (5) upper limb.

3, Multipurpose chafing dish according to claim 1 is characterized in that: shaft (5) is the truncated cone-shaped housing, and its lower edge is fixed by bolts to fuel tank top.Table (32) is a cylindrical housings, and its top is equipped with movable leg (33), and shaft (5) and table (32) sidewall all have ventilation fence hole (6), and table is connected to the shaft upper limb during use; Pot body (26) is connected to the shaft upper limb by the foundation ring (27) of its underpart.

4, Multipurpose chafing dish according to claim 1, it is characterized in that burner has the different tray for combustion (17) in two kinds of fire holes (18) position, the tray for combustion that is used for chafing dish, fire hole is in the side, the tray for combustion that is used for general cooking stove, fire hole and has wind loop (20) and secondary air hole (21) on every side in the above.

5, Multipurpose chafing dish according to claim 1 is characterized in that U type generating tube (8), taper preheating handleless cup (9), and annular vaporizer (10) and lid dish (11) are all made with red copper, and vaporization base (14), nozzle (12) are made with brass; U type generating tube external diameter is 4～7 millimeters, and the nozzle center aperture is less than 0.5 millimeter.

According to claim 1 and 4 described Multipurpose chafing dishes, it is characterized in that 6, the wall thickness at tray for combustion (17) fire hole place is not more than 4 millimeters, the diameter of fire hole (18) is less than 2 millimeters.

7, Multipurpose chafing dish according to claim 4 is characterized in that wind loop (20) top can place the metal guard (22) that is used for second-time burning.

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