CN1208837A - Liquid fuel combustion apparatus - Google Patents

Liquid fuel combustion apparatus Download PDF

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Publication number
CN1208837A
CN1208837A CN98104454A CN98104454A CN1208837A CN 1208837 A CN1208837 A CN 1208837A CN 98104454 A CN98104454 A CN 98104454A CN 98104454 A CN98104454 A CN 98104454A CN 1208837 A CN1208837 A CN 1208837A
Authority
CN
China
Prior art keywords
liquid fuel
carburetor
stand oil
oil face
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN98104454A
Other languages
Chinese (zh)
Inventor
渡辺干男
三好达夫
根岸宣匡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1208837A publication Critical patent/CN1208837A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • F23K5/20Preheating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/08Preparation of fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • F23K5/142Fuel pumps
    • F23K5/145Fuel pumps combined with fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • F23K5/22Vaporising devices

Abstract

A system for improving performance of liquid fuel combustion equipmentis is provided. A liquid fuel combustion equipment comprises an oil level fixing device 9 which defines a fixed oil level of a liquid fuel, a carburetor 2 to which a liquid fuel is supplied by way of this oil level fixing device 9, and a blower 14 which supplies primary combustion air to this carburetor 2 and pressurizes the fixed oil level of the oil level fixing device 9. The liquid fuel is vaporized and is mixed with the primary combustion air to form a premixed mixture gas and the gas is ignited and burnt. The liquid fuel combustion equipment further includes a heater 12 for heating the oil level fixing device 9 so as to heat the liquid fuel supplied to the carburetor 2 to a specified temperature.

Description

Burning apparatus for combustion of liquid fuel
The present invention relates to a kind ofly give carburetor liquid fuel, make liquid fuel mix the gasifying type burning apparatus for combustion of liquid fuel that burns with primary air with burning by stand oil face device.
This burning apparatus for combustion of liquid fuel in the past is equipped with carburetor 2 as shown in Figure 3 in the carbureter body 1 of being supplied with combustion air by pressure fan 14, be embedded with gasification heater 3 on the perisporium of carburetor 2.Be provided with the introducing port 4 of burning with primary air in the perisporium bottom of this carburetor 2, simultaneously, peristome on carburetor 2 tops is installed with the burner head 5 that has several glory holes 6, and, guarantor's flame ring 7 of a flame is housed in the upper periphery of carburetor 2, in addition, on the top of carbureter body 1, the auxiliary air guide ring 8 that covers aforementioned guarantor's flame ring 7 is installed.The 9th, the stand oil face device of formation liquid fuel stand oil face, the 10th, cartridge.The 11st, the air introducing port of combustion air from the pressure fan 14 importing carbureter bodys 1 that hereinafter will narrate.
Above-mentioned stand oil face device 9 has fuel storage portion 15, when arriving peristome, these fuel storage portion 15 liquid fuel withins keep certain amount of fluid fuel by overflow, above-mentioned stand oil face device 9 also has the petrolift 16 of this fuel storage portion 15 of liquid fuel supply, forced air is sent into forced feed pipe 18 and cartridge 10 in this stand oil face device 9, wherein forced feed pipe 18 is from by pressure fan 14 air being delivered to bifurcated in ajutage 17 way the carbureter body 1, cartridge 10 communicates with above-mentioned fuel storage portion 15, and the liquid fuel by above-mentioned forced air pressurization is imported carburetor.The 19th, fuel tank.
In said structure, the inside of carburetor 2 is heated into the condition of high temperature by liquid fuel gasification with heater 3, burning is fed to carburetor 2 inside with primary air by primary air introducing port 4, the cartridge 10 that liquid fuel communicates by the fuel storage portion 15 with stand oil face device 9 also is fed to carburetor 2 inside, at this moment, liquid fuel gasification and mix with primary air.The gas of this mixing sprays through several glory holes 6 from burner head 5 behind the upper opening of carburetor 2.Light a fire by the ignition plug (not shown) from the mist of these glory hole 6 ejections, form an also burning of flame from burner head 5 along the inner peripheral surface of protecting flame ring 7.On the other hand,, supply on flame, impel second-time burning through between aforementioned guarantor's flame ring 7 and the guide ring 8 and from the auxiliary air of gap 11 ejections between the upper end of the upper end of protecting flame ring 7 and guide ring 8.
In above-mentioned burning apparatus for combustion of liquid fuel in the past, because the liquid fuel temperature in the stand oil face device 9 is lower, the viscosity of liquid fuel is big, it is very difficult that predetermined amount of liquid fuel is supplied with carburetor 2 from cartridge 10, can only supply with carburetor 2 being less than predetermined amount of liquid fuel, in addition, if the temperature of the liquid fuel of supply carburetor 2 is lower, the temperature that only relies on the electric heater that is embedded in 2 li in carburetor to produce just is difficult to make liquid fuel gasification, causes the ratio that mixes with primary air and the state deterioration of mist, can not light a fire or the problem of ignition difficulties takes place.
The present invention is intended to address the above problem, and its objective is that providing a kind of improves the admixture of the primary air in the carburetor by the liquid fuel of supplying with carburetor is heated, and makes liquid fuel be easy to gasification, improves the burning apparatus for combustion of liquid fuel of ignition quality.
Burning apparatus for combustion of liquid fuel provided by the present invention, comprise the stand oil face device that is used to form liquid fuel stand oil face, carry the carburetor of liquid fuel, burning supplied with this carburetor with primary air and the pressure fan of the stand oil face pressurization of aforementioned stand oil face device by this stand oil face device, in aforementioned carburetor, make liquid fuel gasification and with the burning mix with primary air, form pre-mixed gas, carry out ignition, in this burning apparatus for combustion of liquid fuel, also be provided with the heater that the liquid fuel in the aforementioned stand oil face device is heated.
In addition, burning apparatus for combustion of liquid fuel provided by the present invention, the periphery of aforementioned stand oil face device is provided with PTC (positive temperature coefficient) heater, by this ptc heater to liquid fuel heat.
Moreover burning apparatus for combustion of liquid fuel provided by the present invention carries out for the energising of the heater that is provided with on the periphery of aforementioned stand oil face device and the gasification that carburetor is heated jointly with the energising of heater.
Fig. 1 is the sectional drawing of the burning apparatus for combustion of liquid fuel major part of the expression embodiment of the invention 1.
Fig. 2 is the sectional drawing of the burning apparatus for combustion of liquid fuel major part of the expression embodiment of the invention 2.
Fig. 3 is a sectional drawing of representing burning apparatus for combustion of liquid fuel major part in the past.
Embodiment 1
Below, narrate the embodiment 1 of burning apparatus for combustion of liquid fuel of the present invention with reference to the accompanying drawings.
Fig. 1 is the sectional drawing of the burning apparatus for combustion of liquid fuel major part of the expression embodiment of the invention 1.
In Fig. 1, the 1st, carbureter body, the 2nd, be embedded with the carburetor of liquid fuel gasification on the perisporium with heater 3,4 are arranged on the primary air introducing port of carburetor 2 perisporium bottoms, the 5th, burner head has several glory holes 6,9th that are arranged on carburetor 2 upper opening portions, and periphery is equipped with the stand oil face device of heater 12, the 10th, cartridge, the 11st, from pressure fan 14 combustion air is imported air introducing port in the carbureter body 1.7 are arranged on guarantor's flame ring of a flame of carburetor 2 upper periphery, and the 8th, be contained in the auxiliary air guide ring that covers this guarantor's flame ring 7 on carbureter body 1 top.
Above-mentioned stand oil face device 9 has fuel storage portion 15, when arriving peristome, these fuel storage portion 15 liquid fuel withins keep certain amount of fluid fuel by overflow, above-mentioned stand oil face device 9 also has the petrolift 16 of this fuel storage portion 15 of liquid fuel supply, forced air is sent into forced feed pipe 18 and cartridge 10 in this stand oil face device 9, wherein forced feed pipe 18 is from by pressure fan 14 air being delivered to bifurcated in ajutage 17 way the carbureter body 1, cartridge 10 communicates with above-mentioned fuel storage portion 15, and the liquid fuel by above-mentioned forced air pressurization is imported carburetors 2 by teasehole 20.The 19th, fuel tank.
In said structure, the inside of carburetor 2 is heated into the condition of high temperature by liquid fuel gasification with heater 3, burning is fed to carburetor 2 inside with primary air by primary air introducing port 4, simultaneously, utilize of fuel storage portion 15 pressurizations of the blast pressure of primary air, from cartridge 10 liquid fuel is fed to carburetor 2 inside through teasehole 20 thus by 18 pairs of stand oil faces of forced feed pipe device 9.Like this, make liquid fuel gasification and mix with primary air.The gas of this mixing sprays through several glory holes 6 from burner head 5 behind the upper opening of carburetor 2.Light a fire by the ignition plug (not shown) from the mist of these glory hole 6 ejections, form an also burning of flame.On the other hand,, supply on flame, impel second-time burning from the auxiliary air of gap 13 ejections between the upper end of the upper end of protecting flame ring 7 and guide ring 8.
According to said structure, by to 12 energisings of the heater on the periphery that is arranged at stand oil face device 9, the liquid fuel in the stand oil face device 9 is heated up, just can be the liquid fuel heat of supplying with carburetor 2 to predetermined temperature.Thus, the viscosity of liquid fuel is suitably diminished, can supply with carburetor 2 to predetermined amount of liquid fuel.In addition, the gasification that is embedded in 2 li in carburetor with a usefulness is compared with the situation of 3 pairs of liquid fuel gasifications of heater, by the liquid fuel in the stand oil face device 9 is heated up, can realize the gasification of the liquid fuel in the carburetor 2 at an easy rate, make primary air keep certain than (primary air amount/theoretical air requirement).By mentioned above, even the occasion lower in ambient temperature, that liquid fuel temperature is lower owing to can heat to the liquid fuel in the stand oil face device 9, also can make viscosity suitably diminish, prevent the rising of primary air ratio, improved ignition performance.
Further, by make to the energising that is installed in the heater 12 on stand oil face device 9 peripheries with the gasification that is used to heat carburetor 2 is carried out jointly with the energising of heater 3, heated liquid fuel effectively, further improve the admixture of liquid fuel and primary air, be easier to the gasification of the liquid fuel in the carburetor 2.
Embodiment 2
Fig. 2 is the sectional drawing of the burning apparatus for combustion of liquid fuel major part of the expression embodiment of the invention 2.In this embodiment 2, the heater that adopts ptc heater 12a to heat as the liquid fuel in the foregoing description 1 in the stand oil face device 9.
According to this structure, except the effect that can obtain the foregoing description 1, owing to adopted ptc heater 12a as the heater that the liquid fuel in the stand oil face device 9 is heated, thereby, even do not carry out special control temperature, also can to keep the liquid fuel temperature in the stand oil face device 9 be steady state value by applying simple voltage, reduced cost, and, also can keep the temperature of liquid fuel certain in the occasion that body temperature and ambient temperature change, further stablized ignition performance.
As indicated above, burning apparatus for combustion of liquid fuel of the present invention, comprise the stand oil face device that is used to form liquid fuel stand oil face, carry the carburetor of liquid fuel by this stand oil face device, burning supplied with this carburetor with primary air and to the pressure fan of the stand oil face of aforementioned stand oil face device pressurization, in aforementioned carburetor, make liquid fuel gasification and with the burning mix with primary air, form pre-mixed gas, carry out ignition, in this burning apparatus for combustion of liquid fuel, also be provided with the heater that the liquid fuel in the aforementioned stand oil face device is heated, therefore, even it is lower in ambient temperature, the occasion that liquid fuel temperature is lower, owing to can heat to the liquid fuel in the stand oil face device, viscosity is suitably diminished, stablized the liquid fuel supply amount of supplying with carburetor, reach and make the primary air compare stabilisation, in addition, compare with the situation of heater heating with only using the gasification that is embedded in the carburetor, can realize the gasification of the liquid fuel in the carburetor at an easy rate, improved ignition performance.
In addition, according to burning apparatus for combustion of liquid fuel of the present invention, owing to adopt ptc heater as heater to the liquid fuel heat in the aforementioned stand oil face device, thereby, even special temperature control loop is not set, also can to keep the liquid fuel temperature in the stand oil face device be steady state value by applying simple voltage, reduced cost, and, also can keep the temperature of liquid fuel certain in the occasion that body temperature and ambient temperature change.
Moreover, according to burning apparatus for combustion of liquid fuel of the present invention, since the energising of giving the heater be used to heat the liquid fuel in the aforementioned stand oil face device with the gasification of carburetor heating is carried out jointly with the energising of heater, thereby, can heat to liquid fuel effectively, further improve the admixture of liquid fuel and primary air, make the easier realization of gasification of the liquid fuel in the carburetor.

Claims (3)

1, a kind of burning apparatus for combustion of liquid fuel, comprise the stand oil face device that is used to form liquid fuel stand oil face, carry the carburetor of liquid fuel, burning supplied with this carburetor with primary air and the pressure fan of the stand oil face pressurization of aforementioned stand oil face device by this stand oil face device, in aforementioned carburetor, make liquid fuel gasification and with the burning mix with primary air, form pre-mixed gas, carry out ignition, it is characterized in that, also be provided with heater aforementioned stand oil face device heating.
2, burning apparatus for combustion of liquid fuel according to claim 1 is characterized in that, described heater adopts ptc heater.
3, burning apparatus for combustion of liquid fuel according to claim 1 is characterized in that, carries out for the energising of aforementioned heater and the gasification that carburetor is heated jointly with the energising of heater.
CN98104454A 1997-08-19 1998-02-13 Liquid fuel combustion apparatus Pending CN1208837A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22224497A JP3204173B2 (en) 1997-08-19 1997-08-19 Liquid fuel combustion device
JP222244/97 1997-08-19

Publications (1)

Publication Number Publication Date
CN1208837A true CN1208837A (en) 1999-02-24

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ID=16779366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98104454A Pending CN1208837A (en) 1997-08-19 1998-02-13 Liquid fuel combustion apparatus

Country Status (3)

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JP (1) JP3204173B2 (en)
KR (1) KR100250802B1 (en)
CN (1) CN1208837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777898A (en) * 2012-05-08 2012-11-14 中天新能源农业科技投资有限公司 Special gasification burner for biological liquid fuel and combustion method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2628001C (en) * 2006-10-20 2011-05-31 The Boeing Company Fuel balancing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777898A (en) * 2012-05-08 2012-11-14 中天新能源农业科技投资有限公司 Special gasification burner for biological liquid fuel and combustion method
CN102777898B (en) * 2012-05-08 2015-08-05 中天新能源农业科技投资有限公司 A kind of special gasification burner for biological liquid fuel and combustion method

Also Published As

Publication number Publication date
KR19990023063A (en) 1999-03-25
JP3204173B2 (en) 2001-09-04
JPH1163426A (en) 1999-03-05
KR100250802B1 (en) 2000-04-01

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