CN2186877Y - Self-pressure liquid fuel cooking utensils - Google Patents

Abstract

The utility model relates to an automatic supplementary fuel and partial pressure liquid fuel cooking utensil which is composed of a fuel tank, an automatic liquid feeder, a partial pressurizer, a fuel tank, a quantitative feed liquid preheating valve, a cooking core assembly, a fuel gas adjustable control valve and an electric pulse igniter. Quantitative preheating liquid fuel which is supplied by the preheating valve is put into service within 30 seconds. The automatic liquid feeder instantly supplements the liquid in a fuel pot to the fuel tank after the fuel is out of service, which is ready for next use. The utility model has the advantages of strong wind interference resistance ability, small size, light weight, low cost, simple structure, high safety, sanitation and cleanness.

Description

Self-pressure liquid fuel cooking utensils

The utility model is the self-pressing type liquid fuel furnace tool of a kind of automatic supplementing liquid fuel and pressurized.

Since the World War II, but the funding source of artificial coal gas both domestic and external, natural gas, oil liquefied gas always less than the needs of society amount, supply falls short of demand for a long time; Price one rises and rises again, and samll cities and towns and vast rural area look forward to that always a kind of good and cheap, easy to use, sanitation and hygiene, synthetic liquid fuel and supporting stove and accessory thereof safe and reliable, that guarantee supply come out in the majority.In recent years, people have carried out many explorations and research in this field, wherein representative is " the fuel automatic supplier of liquid fuel range " (patent No. is: CN 91231740.X) and the patent No. be: CN 91106746.9, and name is called " self-pressing type light a fire automatically liquid fuel burner (kitchen range) ".These two patents all are with liquid fuel output, heat vaporization, feed back in the fuel tank again, make to form pressure in the fuel tank, cause liquid fuel successively to be supplied with.Because the appearance of liquid fuel heat vaporization and Feedback Technology can test-manufacture automatic pressurization at present in a small amount, use primary liquid fuel stove eaily.Add that liquid fuel can normal pressure stores and safe and reliable, make liquid fuel and stove and accessory technology thereof obtain certain progress.But, because above-mentioned stove and accessory exists global design immature, can not in the pressurized fuel case, carry out quantitative liquid feeding, automatically the liquid fuel that is consumed in the postcombustion case, the size that can not regulate flare, vaporization effect not good (often having liquid fuel to spray), the fuel tank internal pressure is unstable and can not the long-time continuous burning etc. problem, still be in development and trial period now.

The purpose of this utility model is: at a series of problems of above-mentioned stove and accessory existence, merit quantitative liquid feeding heat-riser valve and one-way automatic liquid supply device are made in research according to fluid mechanics principle, adopt technical measures such as secondary vaporizing and special-purpose forcing pipe, designed and developed a kind of can be in fuel tank automatic supplementing liquid fuel, preheating is convenient and safe, vaporization effect good, the fuel tank internal pressure stable, flare adjustable size, the self-pressing type liquid fuel furnace tool that can burn continually and steadily for a long time.Use proof, the wind resistance power interference performance of this liquid fuel range is strong, can field work.Volume of the present utility model is little, in light weight, cost is low, simple in structure, safe and reliable, sanitation and hygiene.

Another purpose of the present utility model is: replenish automatically for other liquid fuel apparatus and liquid fuel equipment provide a kind of that liquid fuel, preheating safe ready, vaporization effect are good, burning continues liquid fuel furnace steady in a long-term.

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

Structure of the present utility model as depicted in figs. 1 and 2.The title of each part is as follows among Fig. 1 and Fig. 2:

(1) the automatic supply of fuel tank (2)

(3) pressurized device (4) fuel tank

(5) quantitative liquid feeding heat-riser valve (6) combustion chamber assembly

(7) combustion gas controlling valve (8) electric pulse ignitor

(9) liquid back pipe (10) saturated steam chamber

(11) the special-purpose forcing pipe of overheated steam chest (12)

(13) generating tube (14) evaporation burner

(15) main burner (16) preheating dish

(17) liquid discharging tube (18) feed tube

(19) balance pore (20) blast pipe

Fuel tank (1) is made with metal book plate, and is much lighter than petroleum oil liquid gas storage tank.The fixed head of automatic liquid supply device (2) and local pressurizer (3) is a metal book plate, automatically feed liquor device and local pressurizer all by no spring fetter often open free check valve and fixed head is formed.Fuel tank (4) is processed into for sheet metal.Quantitative liquid feeding heat-riser valve (5) and combustion gas controlling valve (7) and each parts thereof are made by copper, aluminium or metal tube.Combustion chamber assembly (6) and each parts are made by sheet metal and little metal tube, and in light weight, thermal inertia is little, and preheating time is short.Electric pulse ignitor is a monomer-type, and volume is little, and cost is low, and is easy for installation.

Global design principle of the present utility model is: it is made up of fuel tank (1), automatic liquid supply device (2), pressurized device (3), fuel tank (4), quantitative liquid feeding heat-riser valve (5), combustion chamber assembly (6), combustion gas controlling valve (7), electric pulse ignitor eight big parts such as (8).In the present embodiment, automatic liquid supply device (2) is installed on the lateral wall of fuel tank (4), and its outlet end points to the inside of fuel tank (4), and its liquid feeding end is connected with fuel tank (1) by feed pipe.When the utility model is started working and when the external world confesses heat energy, automatic liquid supply device (2) starts immediately synchronously, and fuel tank (4) and fuel tank (1) are isolated fully, makes both liquid fuels not connected.Owing to continue to confess heat energy to the external world, the liquid fuel in the fuel tank (4) reduces gradually.Stopping when the external world confesses heat energy, automatic liquid supply device (2) makes fuel tank (4) and fuel tank (1) interconnect at once, and fuel tank (1) is just replenished the liquid fuel that has consumed in trend fuel tank (4), for next heat supply is got ready.Specific (special) requirements according to the user, pressurized device (3) can be installed on a certain cross section of fuel tank (4), make a certain part of fuel tank bear pressure, another part then is in atmospheric pressure state, thereby reduces the burden of combustion chamber assembly (6) and shorten preheating time.The fuel tank (4) that pressurized device (3) are housed needn't be installed automatic liquid supply device (2), can directly join with feed pipe and fuel tank (1), replaces automatic liquid supply device (2) automatic supplementing liquid fuel in fuel tank (4) by pressurized device (3).When the liquid fuel in fuel tank (1) is exhausted, can change the guarantee fuel jar of the full liquid fuel of storage immediately, continue automatic supplementing liquid fuel in fuel tank (4).If there is not standby fuel tank, fuel tank can be taken away, buy liquid fuel to the liquid supply station, liquid make-up fuel in fuel tank (4) more after a while, and do not influence user's daily use.According to user's needs, fuel tank (4) available metal book plate is made single pinkeye, two pinkeye and many pinkeye, combustion chamber assembly (6) usually by fuel tank (4) from tripartite bread round.Combustion chamber assembly (6) is made up of liquid back pipe (9), saturated steam chest (10), overheated steam chest (11), special-purpose forcing pipe (12), generating tube (13), vaporized fuel device (14), main burner (15), preheating dish (16).In the present embodiment, saturated steam chest (10) and overheated steam chest (11) are the donut of two skies, saturated steam chest (10) surrounds overheated steam chest (11) or saturated steam chest (10) top in overheated steam chest (11), after the saturated vapor of liquid fuel comes out from saturated steam chest (10), be heated to form the superheated steam that does not contain particulate liquid at overheated steam chest (11), guarantee combustion gas abundant burning and flare long-term stability in two burners.Evaporation burner (14) is made toroidal with metal tube, is installed in the inwall bottom of overheated steam chest (11), makes liquid fuel heat and vaporization in special-purpose forcing pipe (12) and the generating tube (13), and possesses the function of little fiery smooth combustion.Main burner (15) is made toroidal with metal tube, is installed in the top of two steam chests, and it possesses the function of big fire smooth combustion, for utensils such as kettle provide a large amount of heat energy.According to the difference of purposes, special-purpose forcing pipe (12) is made the single-turn or multi-turn shape with metal tube, is installed in the top of evaporation burner (14), produces saturated vapor and gives the pressurization of the liquid in the fuel tank (4).Generating tube (13) is made the multi-turn shape with metal tube, its end is connected with the bottom of fuel tank (4), the top of the saturated steam chest of other end T-Ring type (10), its main part is installed in the top of the special-purpose forcing pipe (12) of overheated steam chest (11) inwall, and the saturated vapor of liquid fuel is provided for saturated steam chest (10).The base of the saturated steam chest of one termination (10) of liquid back pipe (9), the other end is connected with the inwall of fuel tank (4), it had both strile-backd the remaining liquid fuel feedback in the saturated steam chest (10) in the hopper (4), again for the liquid fuel in the fuel tank (4) provides the part additonal pressure, so be called secondary forcing pipe again.Quantitative liquid feeding heat-riser valve 5 is revolving, is made up of valve body and valve rod, and valve body is provided with balance pore, blast pipe, feed tube, liquid discharging tube; Valve rod is provided with quantitative liquid chamber, steam vent, and inlet opening, taphole, balance is communicated with pore.The most handy utility model patent rotary quantitative supplying valve of applying on the same day of this valve.The blast pipe (20) of quantitative liquid feeding heat-riser valve (5) links to each other with the top of fuel tank (4), its feed tube (18) links to each other with the bottom of fuel tank (4), its balance pore (19) directly and atmosphere communicate, the outlet of its liquid discharging tube (17) is installed in the top of preheating dish (16).The valve rod of rotation quantitative liquid feeding preheating, quantitatively pre-heating fuel is transferred to the atmospheric environment in fuel tank (4) immediately, and flow to imperturbably in the preheating dish (16), starting electric pulse ignitor, quantitative liquid pre-heating fuel blazes up immediately, through about 30 seconds, produce necessary operating pressure in the fuel tank (4), combustion chamber assembly (6) also is preheating to the degree that can work, opens combustion gas controlling valve (7), the utility model is just started working, and the user can regulate the size of flare as required.

Compared with prior art, the utlity model has following advantage:

1, can be in the trend fuel tank liquid make-up fuel

Existing liquid fuel range all is a liquid fuel of storing a constant volume with fuel tank.When liquid fuel is depleted to a certain limit, will irritate with vessel such as funnels and add liquid fuel, and can not replenish the liquid fuel that has consumed automatically, bring many inconvenience to the user.The utility model is similar to use oil liquefied gas stove and accessory, as long as the automatic liquid supply device on liquid-fuel tank and the fuel tank is connected, and the just continuous automatic liquid fuel that has consumed that replenishes in fuel tank constantly of liquid-fuel tank.Therefore, aspect the continuous supplementation liquid fuel, use the utility model not only to make things convenient for manyly, and the advantage of using the oil liquefied gas stove and accessory never to have is arranged than the existing liquefied fuel stove and accessory of use.When the lpg consumption in the liquid gas storage tank of oil liquefied gas stove finishes, as not changing standby liquid gas storage tank immediately, the user will stop using immediately.And the liquid fuel consumption in the fuel tank of the present utility model is when clean, even without standby liquid-fuel tank, also can take fuel tank away a period of time, to liquid fuel supply station filling liquid fuel, the utility model can burn away and be stored in liquid fuel a period of time in the fuel tank, and does not influence user's daily use.So aspect the refuelling jar, the utility model is more convenient than oil liquefied gas stove.

2, can the quantitative liquid feeding preheating

Existing liquid fuel range normally adds liquid fuel with hand tools such as vessel in the preheating dish, be difficult to what of control pre-heating fuel, lacked and to have added once more, many and cause waste, even make the liquid fuel outflow the flare directed outward, bring many inconvenience and trouble for the combustion chamber preheating.Also have because of quatitative liquid supplying device can not bear pressure and join the secondary fuel tank of no pressure in addition, but secondary fuel tank has certain volume, requiring main fuel tank is that it abdicates certain volume, bring many inconvenience and trouble for like this installation of the making of fuel tank.Quantitative liquid feeding heat-riser valve of the present utility model can bear very big pressure and not leak, and neither needs stress-free secondary fuel tank, has also overcome the deficiency of vessel interpolation pre-heating fuel by hand, is the important breakthrough achievement of liquid fuel apparatus preheating automation.

3, the continual and steady and adjustable size of flare

The flare size of existing liquid fuel range can not be regulated, the pressure transient in the fuel tank, and the not good liquid fuel that causes of vaporization effect sprays, and the heat supply of sustained combustion for a long time in addition brings many inconvenience to the user, and the thermal efficiency of stove and accessory is greatly reduced.The utility model uses evaporation burner, special-purpose forcing pipe, secondary forcing pipe, saturated steam chest and overheated steam chest, and global design is increasingly rationalized, and makes the pressure in the fuel tank very stable, has improved vaporization effect greatly, has avoided the injection of liquid fuel fully.Under the situation of big fire and little fire, flare of the present utility model is all very stable, and can long-term sustained combustion heat supply.Thereby the utility model is the liquid fuel range of a kind of stable performance and flare adjustable size.

4, wind resistance power interference performance is strong, can field work

The wind resistance power interference performance of existing liquid fuel range is not strong, and is flame-out easily in outdoor application.Wind resistance power interference performance of the present utility model is strong, be not easy to stop working in outdoor application, thereby the utility model is a kind of stove and accessory of field work preferably.

Because the utility model has overcome many deficiencies of existing liquid fuel range technology, its use field is done and is divided extensively, has great practical value.

Claims (7)

1, the self-pressing type liquid fuel furnace tool of a kind of automatic supplementing liquid fuel and pressurized, it is characterized in that forming by fuel tank (1), automatic liquid supply device (2), pressurized device (3), fuel tank (4), quantitative liquid feeding heat-riser valve (5), combustion chamber assembly (6), combustion gas controlling valve (7), electric pulse ignitor (8), fuel tank (4) from tripartite bread round combustion chamber assembly (6): automatic liquid supply device (2) is installed on the lateral wall of fuel tank (4), and fuel tank (1) is connected by feed pipe with automatic liquid supply device (2); The blast pipe (20) of quantitative liquid feeding heat-riser valve (5) is received the top of fuel tank (4), and its feed tube (18) is received the lower sidewall of fuel tank (4), its balance pore (19) directly and atmosphere communicate; One end of combustion gas controlling valve (7) joins with evaporation burner (14), main burner (15), and its other end links to each other with the outlet of overheated steam chest (11); Monomer-type electric pulse ignitor (8) is positioned at the side of fuel tank (4).

2, liquid fuel range according to claim 1 is characterized in that automatic liquid supply device (2) substitutes with the pressurized device (3) on the respective cross section that is installed in fuel tank (4).

3, liquid fuel range according to claim 1 and 2 is characterized in that quantitative liquid feeding heat-riser valve (5) for revolving, and its blast pipe (20) and feed tube (18) are received the upper and lower sidewall of fuel tank (4) respectively; Valve body is provided with balance pore, blast pipe, feed tube, liquid discharging tube, and valve rod is provided with quantitative liquid chamber, steam vent, air admission hole, taphole, balance connection pore.

4, liquid fuel range according to claim 1 and 2, it is characterized in that automatic liquid supply device (2) and local pressurizer (3) all by the constraint of no spring often open free check valve and fixed head is formed.

5, liquid fuel range according to claim 1 and 2, it is characterized in that combustion chamber assembly (6) is made up of liquid back pipe (9), saturated steam chest (10), overheated steam chest (11), special-purpose forcing pipe (12), generating tube (13), evaporation burner (14), main burner (15), preheating dish (16), its ring-like saturated steam chest (10) is in the outside of overheated steam chest (11), and evaporation burner (14) was installed in the inwall bottom in hot cell (11); Main burner (15) is installed in the top of two steam chests, and special-purpose forcing pipe (12) is made multi-turn or individual pen shape with metal tube, is installed in the top of evaporation burner (14), and its two ends are connected with fuel tank (4); Generating tube (13) is made the multi-turn shape with metal tube, is installed in the top of special-purpose forcing pipe (12); The bottom of the saturated steam chest of one termination (10) of liquid back pipe (9), its other end directly is connected with fuel tank (4).

6, liquid fuel range according to claim 5 is characterized in that, ring-like saturated steam chest (10) is located at the top of overheated steam chest (11).

7, liquid fuel range according to claim 1 and 2 is characterized in that this stove and accessory can make single pinkeye, two pinkeye and many pinkeye.

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