CN2699142Y - Carburetor - Google Patents

Abstract

The utility model relates to a fuel carburetor, comprising an oblateness box and a gas nozzle above the box, and the bottom of the box is provided with a light hydrocarbon inlet. The carburetor is installed in the end blocks, and all the present various fuel ranges can use the carburetor, when the carburetor is installed, the various ranges can directly use the light hydrocarbon as fuel with need of reconstruction the ranges, in addition, the fuel does need to preheat or be forced gasification, and the utility model has the advantages of burning stable and complete, no black smoke, and no objectionable odor. The utility model is especially fitted to restaurant industry, for it protects the environment against pollution, as well as it can save fuel and expense.

Description

Carburetor

Technical field

The utility model belongs to a kind of fuel oil carburetor.Use when being particularly suitable in catering trade replacing fuel such as diesel oil, liquefied petroleum gas and coal with lighter hydrocarbons.

Background technology

At present, catering trade is generally made fuel with diesel oil.Because diesel combustion is incomplete, the discharging black smoke distributes strange taste, and splashes with oil droplet, and urban environment is polluted.Simultaneously, imperfect combustion causes the wasting of resources, makes the catering trade fuel cost high.For the consideration of environmental protection, catering trade use diesel fuel has been forbidden in domestic some city (as the Guangzhou), replaces liquefied petroleum gas.But liquefied petroleum gas is higher than diesel-fuel price, and intensity of fire and get angry speed all not as diesel oil, can not satisfy the instructions for use of catering trade well.Also there is part food and beverage enterprise still using coal to act as a fuel on a small quantity, environment is polluted.

Lighter hydrocarbons are the hydro carbons that contain C5-C7, and calorific value is about 45900-48400KJ/kg, are higher than gasoline and diesel oil.Because lighter hydrocarbons are accessory substances of oil, gas-field exploitation and oil refining process, so price is cheaper than liquefied gas and diesel oil; Light hydrocarbon burner is complete, does not have problem of environment pollution caused such as diesel oil, kerosene and coal.With diesel oil, liquefied petroleum gas and coal facies ratio, lighter hydrocarbons are the better fuel of urban restaurant trade.In November, 1996, State Economic and Trade Commission, planning commission, the Ministry of Finance, State Administration of Taxation united the promulgation Catalogue for Comprehensive Utilization of Resources, classified lighter hydrocarbons as resource kind that country encourages development and use.The corresponding promulgation of the Ministry of Agriculture ' lighter hydrocarbons domestic fuel ' industry standard in 1997 makes the development and use of lighter hydrocarbons have legal basis.Domestic in recent years some Light hydrocarbon burner systems that developed come into operation.Existing diesel oil, kerosene and liquefied petroleum gas kitchen range all can not make the stable gasification of lighter hydrocarbons on the market, and its combustion process is difficult to regulation and control, so can not directly use light-hydrocarbon fuel.The various Light hydrocarbon burner technology that put goods on the market at present, must use special furnace set, or existing stove and accessory is transformed, or in combustion system, set up a gasifier, this class gasifier need be used energy preheating, forced gasification, and these measures all make the combustion system structure complicated.

Summary of the invention

The purpose of this patent exploitation is to provide a kind of easier gasification installation, does not need energy preheating and forced gasification, also needn't use special-purpose burner, can make quick, the balanced gasification of lighter hydrocarbons, keeps smooth combustion.

The utility model is a kind of kitchen range carburetor, and main body is an oblate box, and fuel filler is arranged at the box body bottom, and gas outlet is arranged at box body top, is communicated with the gas nozzle of box body top.Its characteristics are that carburetor structure is simple, and volume is little, directly place in the burner to use; Box body makes oblate cylindricality, so that form bigger cross section ratio between inner chamber and the ingate, makes the fuel oil that enters box body produce remarkable pressure drop.Because the gasification temperature of lighter hydrocarbons is lower than diesel oil, promptly have a small amount of gaseous hydrocarbon under the normal temperature, lighter hydrocarbons enter carburetor by the ingate, volume increases suddenly, pressure drop impels gas-liquid separation, and operative liquid hydrocarbon generating gasification is arranged, thereby the lighter hydrocarbons fuel oil do not need preheating or forced gasification, promptly has initial gaseous hydrocarbon to produce.Gaseous hydrocarbon enters the combustion zone through nozzle, and stove just can be lighted.Intensifications of in the burner of burning, being heated of the follow-up liquid hydrocarbon that enters box body, gasification is accelerated, and flame is strengthened rapidly and is reached required intensity of fire, and the firepower of enhancing further quickens the light hydrocarbon process, finally reaches balance, forms lasting, stable burning.

The nozzle of box body top plays an important role to combustion efficiency.Nozzle can be regulated injection direction, and the gaseous hydrocarbon of ejection is fully mixed with air from wind distributing hole, is dispersed evenly to the combustion zone, and it is harmonious and stable to keep burning.

The utility model produces initial gaseous hydrocarbon automatically by the pressure reduction effect of box body, and strengthens the light hydrocarbon process by means of the burner combustion heat, so exempted an independently fuel-firing preheating device, has simplified combustion system, uses convenient.Another beneficial effect that the technical program is brought, be by this carburetor, use the light-hydrocarbon fuel must special furnace set, the stove and accessory of existing various fuel needn't be transformed and can directly use lighter hydrocarbons instead and make fuel, reduced the cost of fuel transition, this is very favourable to applying of light-hydrocarbon fuel.

The technical program is also considered carburetor and existing various types of fuel oil kitchen range and the matching used needs of gas kitchen ranges, when cooking range furnace end is shallow excessively, when the carburetor height of permission is not enough, can set up deflector at the carburetor inner chamber.

Under the normal combustion situation, the heating condition substantially constant of carburetor, thus the gasification of liquid hydrocarbon also is stable; The gaseous hydrocarbon of liquid gas two-phase interface top has been in superheat state in the carburetor when nozzle sprays, and is not with drop, so can fully mix completing combustion with air.Result of the test shows, uses lighter hydrocarbons in the kitchen range of this carburetor of configuration, flame stabilization, burning fully, no black smoke, free from extraneous odour, and can regulate firepower easily by controlling fuel flow.Test shows that also this kind carburetor not only can be used for diesel oil stove, also is applicable to the kitchen range of other fuel such as liquefied petroleum gas, kerosene and coal.

The technical program is to implement under the situation of not changing original kitchen range, and another advantage of bringing thus is: as long as carburetor is taken out, kitchen range can recover to use the fuel type of former usefulness immediately.Therefore, adopt the user of this kind carburetor, fuel type conversion rapid and convenient has very strong adaptability to market fuel Supply Structure.

Description of drawings

Fig. 1 is the carburetor cutaway view that is applicable to the dark type burner of diesel oil stove.

Fig. 2 is the vertical view of carburetor shown in Figure 1.

Fig. 3 is the carburetor cutaway view that is applicable to the shallow type burner of diesel oil stove.

Fig. 4 is the cross-sectional view of carburetor shown in Figure 3.

Fig. 5 is the carburetor cutaway view that is applicable to the shallow burner of other non-diesel oil type.

Fig. 6 is the vertical view of carburetor shown in Figure 5.

The specific embodiment

Various fuel oils in the market, gas kitchen ranges, its furnace head structure pattern is various, be broadly divided into dark type burner, shallow type burner and be fit to the little burner that various non-diesel fuels use, below illustrate the embodiment of the carburetor that the various type of furnaces are suitable for respectively with embodiment:

Embodiment one, and as shown in Figure 1 and Figure 2, this type carburetor is applicable to the dark type burner of diesel oil stove.In Fig. 1, the inner chamber 6 of burner 5 is darker, reaches approximately usually about 8 centimetres, and burner top is the combustion zone, and the burner upper inside wall has wind distributing hole 7, draws oil inlet pipe 8 from the burner bottom.Carburetor is made up of box body 1 and nozzle 4, and inlet 2 is arranged at the box body bottom, and the box top margin is along there being outlet 3 to be communicated with nozzle, and box body is interior to be cavity.Carburetor directly places in the burner, sentences screw thread at inlet 2 and is connected with oil inlet pipe 8, is fixed in the burner bottom.The oil inlet pipe 8 of drawing from burner is communicated with and can uses with the lighter hydrocarbons storage tank by flexible pipe.The diameter of carburetor is advisable with the firm burner bottom that can enter, and box is farsighted less than the box body diameter, not hinder the unobstructed degree of being of burner wind distributing hole.In Fig. 2, nozzle 4 is arranged on the box body top, is communicated with the box body inner chamber, and the lighter hydrocarbons after the gasification enter the combustion zone by nozzle ejection.

Embodiment two, as shown in Figure 3, Figure 4.In Fig. 3, carburetor is made of box body 1, nozzle 4 and deflector 9, and fuel filler 2 is arranged at the box body bottom, and the box top has gas outlet 3 to be communicated with nozzle.Carburetor places inner chamber 6 bottoms of burner 5, sentences the top that screw thread is fixed on oil inlet pipe 8 at inlet 2, and wind distributing hole 7 is arranged on the burner internal chamber wall.This kind burner inner chamber is more shallow, and usually below 5 centimetres, the space that can hold carburetor below the wind distributing hole is less, for making lighter hydrocarbons enough passing through the time is arranged in carburetor, and deflector 9 is set in the box body cavity, to increase the path of fuel by box body.Fig. 4 is the cross-sectional view of carburetor, and deflector will enter the mouth and 2 be divided into two halves, form two helical channels and guide outlet into.

Embodiment three, and as Fig. 5, shown in Figure 6, this class carburetor is applicable to some more small-sized stove and accessorys, is the stove and accessory that non-diesel fuel is used usually.In Fig. 5, the inner chamber 6 of burner 5 than aforementioned two types more shallow, the burner upper inside wall has air distribution outlet 7, draws oil inlet pipe 8 from bottom centre.Carburetor is made of box body 1, nozzle 4 and deflector 10, and fuel filler 2 is arranged at the box body bottom, and middle part, box top has gas outlet 3 to be communicated with nozzle 4.Carburetor places the burner intracavity bottom, and screw thread and oil inlet pipe 8 by fuel filler 2 are fixed together.The required fuel flow of these type of kitchen range is less usually, only needs to be provided with in the box body cavity the circular deflector of a level, and gasification rate can satisfy the needs of sustained combustion.Fig. 6 is the vertical view of carburetor, and box body 1 top connects nozzle 4.

The size of nozzle and quantity need decision by the thermic load of kitchen range among the embodiment, and are designed to detachablely, can increase and decrease at any time, change.

The stove and accessory of carburetor has been installed, and the supply mode of burning required air is constant, and air enters burner inner chamber 6 tops by the wind distributing hole on the burner 57, in this and gaseous hydrocarbon mixed combustion.

Because the service object is existing various fuel kitchen range on the market, in many styles, thereby the form of deflector is set in carburetor box body size and the box, visual kitchen range concrete condition is different and allow difference to some extent.

Claims (4)

1. a fuel oil carburetor comprises carburetor box body, fuel filler and gas outlet, it is characterized in that carburetor places in the burner, and the carburetor fuel inlet is connected with the burner oil inlet pipe, and the box body gas outlet is installed nozzle.

2. carburetor according to claim 1 is characterized in that box body inside is a cavity.

3. carburetor according to claim 1 is characterized in that the box body inner chamber is provided with spiral deflector.

4. carburetor according to claim 1 is characterized in that the box body inner chamber is provided with horizontal deflector.

Images