CN2102448U - Oil burner - Google Patents

Abstract

The utility model relates to an oil burner. The liquid fuel oil which is preheated and ejected, the wind and the water vapor are mixed atomized and burned. The utility model comprises an oil cavity, a nozzle tip and an oil valve, the nozzle tip and the oil valve are connected with the oil cavity, and the outer parts of the oil cavity and the nozzle tip are coated with a wind sleeve. The outer part of the wind sleeve is coated with an oil sleeve with an oil inlet connection opening, and the inner part of the oil sleeve is provided with a steam conduit. The front end of the steam conduit is communicated with the wind sleeve, and theback end is communicated with a steam sleeve with a steam inlet of the outer part of a valve body. A blast air nozzle with a side guide hole is sheathed between the nozzle tip and a blast nozzle, and the inner part of the oil sleeve is provided with an electric heating piece and a temperature sensing piece. The oil which can be heated to the optimum temperature to be ejected, the steam and the wind are evenly mixed and fully burned.

Description

Oil burner

Oil burner is the burner with the pre-thermojet of liquid-fuel oil and wind, the burning of water vapour mixed aerosol.State's invention patent application prospectus CN1035174A(application number 89100800.4 in 30 days Augusts in 1989) Ji Zai a kind of low pressure air oil burner, be oily nozzle and the fuel tap that contains oil pocket and be connected in oil pocket, oil pocket is with the wind cover outward and regulates the wind cover, between adjusting wind cover and oil pocket, be provided with the steam insulation spacer, the steam nozzle that the useful air nozzle of steam insulation spacer leading portion fixes.Between adjusting wind cover, fuel tap bar, be provided with oil mass, quantity of steam adjusting device.The cylinder cover that oil mass, steam adjusting device interlock by the cylinder sleeve that is connected with oil cavity with screw, with bolt and cylinder, with the fastening connecting plate of attaching nut and wind cover pull bar, with regulate that the wind that the wind external threading is connected overlaps pull bar, the be fixed on piston of controlling the fuel tap bar, the compression spring that is located at the other end in the cylinder etc. that slip with cylinder are formed in cylinder.Oil mass, quantity of steam adjusting device structure more complicated, the cost height.When regulating automatically, when the vapour pressure increasing, the steam spray volume strengthens, and spray air quantity and distributive value reduce on the contrary, and quantity of steam, air quantity, oil mass can not increase and decrease in proportion synchronously automatically.Steam is to the preheat mode instability of oil simultaneously, and preheat temperature can not be controlled.Can not guarantee the preceding preferable oil temperature of spray burning.Steam and wind, oil are joined simultaneously, and burning simultaneously, and also fully atomizing is just not burned for some oil, and steam, wind, oil mix inhomogeneous.The burning of part oil, steam are provided with and participate in reaction.To chew spray orifice be straight hole to oil in addition, and oil is directly gone out, and is difficult for wind, vapor mixing even.

The purpose of this utility model is to provide the oil burner of a kind of preheating, atomizing, sufficient combustion.

The oil that oil burner of the present utility model contains oil pocket and is connected in oil pocket is chewed, fuel tap, and oil pocket and oil are chewed outer being with and brought the wind cover that wind interface, wind are chewed into.Its design feature is: the wind cover is outer to be with the oil jacket of bringing oily interface into, and oil jacket is communicated with fuel tap; Be provided with steam lead in the oil jacket, to the oily preheating in the oil jacket; The steam lead front end is communicated with the wind cover, and steam is imported the wind cover, mixes with wind; The steam lead rear end is communicated with the vapour jacket that valve body has steam inlet outward, and vapour jacket is used for to the oily heat tracing of valve pocket; The wind vapour that is with band side guide hole between You Zui, wind are chewed is chewed, and wind vapour mixed flow is imported further to mix chew ejection from wind vapour again, with the oily mixed aerosol burning of ejection; In oil jacket, be added with electric heating part and TEMP spare.So just formed the oily oil jacket of process earlier, flow through fuel tap again and chew ejection by oil pocket from oil at last.Oil cooperates TEMP spare and the outer temperature control instrument that connects earlier through the preheating of steam and electricity, can guarantee sufficient preheating, and reaches and be stabilized in predetermined optimum temperature.Particularly predetermined more than 90 ℃ during temperature, electric heater can be guaranteed the temperature of being scheduled to.Oil can be heated desaturation fully, can be more prone to atomizing when meeting with the wind vapour phase, and atomizing fully, can guarantee the best burning-point of oil, makes sufficient combustion.

General oil is chewed and can be adopted the straight fuel injection nozzle of closing in shape, also can adopt the straight fuel injection nozzle of uncovered shape, preferably adopts many spray orifices oil to chew.Spray orifice is inclined hole preferably, and the oil that forms eddy flow is chewed.Can make the easier atomizing of oil of ejection like this and burn.Add the oil of chewing core in oil is chewed and be can be and chew, chew core and have spray orifice, chew the core outside and oil and chew runner is arranged between the body, the You Zui side has guide hole.Guide hole imports oil with a wind vapour part and chews like this, through the oil of runner ejection and the ejection mixed aerosol that meets in oil is chewed body earlier, sprays further spray burning again, makes that burning is more abundant, and can wash away oil and chew front end and prevent to tie carbon.Certainly be added with helicla flute at the runner of chewing between the core outside and oily the chewing, it is then more even that wind vapour and oil rotation are mixed, and can better atomize.The side guide hole that wind vapour is chewed is preferably also for inclined hole, chews inboard wind vapour and forms the eddy flow ejection importing wind vapour, makes oil and wind vapour mixed aerosol more evenly and sufficient combustion, and can produce the flame of churning.Chew the outside at wind vapour and also can have helicla flute, make the main air of chewing ejection from the wind in the wind vapour outside also be eddy flow, form the flame of abundant mixed combustion.Clean-burning swirl flame also is very favourable to the heating of workpiece.

For the flow of outside ejection in chewing wind vapour is regulated to some extent, to regulate best spray burning state, chew the rear end at wind vapour and can have sliding sleeve, sliding sleeve is enclosed within outside the oil pocket movingly, and between sliding sleeve and oil pocket outer wall or wind cover inwall, roll adjustment helicla flute and guide pin being housed, the pivoted arm that the sliding sleeve rear end has extends.By touching pivoted arm, drive sliding sleeve and rotate and move forward and backward, it is elastic that wind vapour is chewed, and chews opening and flow between chewing with You Zui, wind to regulate wind vapour, to cooperate different oily or different oily flows.For making same oil burner adapt to the burning of different conditions, condition within the specific limits, oil chews and oil pocket, chew core and oil is chewed body, wind vapour is chewed and the oil pocket outside or sliding sleeve between all adopt screw thread to interconnect, so that according to different situations, change different size and chew core, You Zui, wind vapour and chew.For guaranteeing that burning has certain stability, vapour jacket has the back-steam mouth, or valve pocket has oil return opening.When vapour pressure or oil pressure accident increased, back-steam mouth or oil return opening guaranteed that with vapour or the oil part that refluxes ejection quantity of steam or oil mass are relatively stable.

Oil burner of the present utility model can fully heat oil, and the accurate oil temperature of control heating, reaches abundant desaturation and best burning-point, guarantees oil atomization from many aspects, with the evenly fully mixed combustion of wind vapour, makes sufficient combustion, thermal efficiency height, fume-eliminating energy-saving.Burning simultaneously is also more stable, reaches the burning of also can very conveniently igniting under the cryogenic conditions in the winter time.Use under same applicable multiple oil of oil burner and the multiple condition, produce multiple flame, application surface is wider.Structure is also fairly simple, and installation and maintenance are convenient.

Accompanying drawing has been represented the schematic configuration diagram of a kind of oil burner example of the utility model.Further specify below in conjunction with the accompanying drawing example.

This oil burner by columned oil pocket 6 and the oil that is connected in the oil pocket front end chew 1, the fuel tap 15 that is connected in the oil pocket rear end forms.Oil cavity and fuel tap body are one.Fuel tap body both sides have the fuel feed hole 22 and the oil return that are communicated with valve pocket 16 and connect hole 17.Spool 21 is positioned at valve pocket, and is relative with oil pocket, and the guide rod of spool stretches out that fuel tap is external to be connected with valve handle.Be added with the sealing guide pin bushing 20 that is connected with the fuel tap body around the guide rod of spool.Oil pocket and oil are chewed outer being with and are brought the wind cover 7 that wind interface 11, wind are chewed into.Outside the wind cover, be with the oil jacket 5 of bringing oily interface 8, oil return interface into.Oil jacket is communicated with the fuel feed hole of fuel tap by oil pipe 25.Be provided with the steam lead 23 that is attached to the wind cover outside in the oil jacket, the steam lead front end passes wind jacket wall and wind and overlaps front end and be communicated with the steam lead rear end and be communicated with the vapour jacket 13 that valve body has steam inlet 14 outward.Electric heating part 25 and TEMP spare 12 are housed in oil jacket, and electric heating part and TEMP spare connect conductor wire end and stretch out outside the oil jacket, are used for being connected with temperature control instrument.The wind vapour that is with band side guide hole 28 between You Zui and wind are chewed chews 2.Guide hole 28 is an inclined hole, to produce the ejection of whirlwind steam flow.Chewing the outside at wind vapour equally has helicla flute 29, and the wind vapour that will flow through outside wind vapour is chewed guiding forms eddy flow and chews ejection from wind.Wind vapour is chewed with sliding sleeve 4 and is threaded, and sliding sleeve 4 is enclosed within outside the columned oil pocket movingly, with the oil pocket outer wall movingly, and be furnished with roll adjustment helicla flute 9 and guide pin 10 in sliding sleeve and between the oil pocket outer wall.Generally be to have helicla flute at sliding sleeve.Guide pin is penetrated thread groove, be screwed into the screw hole of oil pocket outer wall and fix.Be provided with the retaining that extends through valve body arc groove in the sliding sleeve rear end and pitch 18, retaining fork and turning handle 19 clampings that are enclosed within outside the sealing guide pin bushing 20.Rotate sliding sleeve when rotating turning handle by the retaining fork, move forward and backward, chew inside and outside opening to adjust wind vapour at helicla flute and guide pin effect lower edge oil pocket outer wall.The oil that is communicated with oil pocket is chewed 1 and is adopted the oil of many spray orifices to chew.Oil chew be furnished with many spray orifices 33,34 in the body 30 chew core 31, chew the core rear end and chew body 30 with oil and be threaded.Chewing the core center is oil guide pipe, chews and has straight spray orifice 33 and oblique more than 34 spray orifice of spray orifice before the core.The oil of ejection is eddy flow.Chewing core and the wind steam flow road chewed between the body of oil is provided with helical guide groove 32.Chew body sidewall at oil and have guide hole 35.The wind vapour of oil being chewed the outside imports, and forms eddy flows through helical guide groove 32 guiding, oil is chewed before earlier with the oily mixed aerosol of eddy flow ejection, ejection and distinguished and admirable chew and wind is chewed the wind vapour mixed combustion of ejection again.Oil then connects the hole from oil-feed and enters oil jacket, through the heating of steam lead 23 and electric heating part 26, and by TEMP spare cooperation control heating, guarantees that heating reaches optimum temperature to oil.Oil imports fuel feed hole 22 and valve pocket 16 from the conduit 25 that is communicated in oil jacket 5 and fuel feed hole 22, enters oil pocket from the valve of opening again and chews ejection from oil.And before fuel feed hole 22, preferably be added with filter core 24.The oil that enters is further filtered, cross screw 27 shutoff of filter core 24 rear ends at fuel feed hole.Increase oil return interface or return vapor interface, the better fired state that mixed up of assurance with part oil or opposing steam flow when oil pressure or vapour pressure are unexpected.85 ℃～105 ℃ of oily Wen Keda before this oil burner burning, and can accurately control definite oil temperature.And can be at low temperature condition down-firing in winter.

Claims (9)

1, the oil burner oil that contains oil pocket and be connected in oil pocket chew, fuel tap, oil pocket, oil are chewed outer being with and are brought the wind cover that wind interface, wind are chewed into, it is characterized in that: the outer oil jacket of bringing oily interface into that is with of wind cover, oil jacket is communicated with fuel tap, be provided with steam lead in the oil jacket, the steam lead front end is communicated with the wind cover, and the steam lead rear end is communicated with the vapour jacket that valve body has steam inlet outward, the wind vapour that is with band side guide hole between You Zui, wind are chewed is chewed, and is added with electric heating part and TEMP spare in oil jacket.

2,, it is characterized in that oil is chewed to the oil of many spray orifices to chew according to the said oil burner of claim 1.

3, according to the said oil burner of claim 2, it is inclined hole that oil is chewed spray orifice.

4, according to the said oil burner of claim 1, it is characterized in that: oil is chewed to the interior oil of chewing core that adds and is chewed, and chews core and has spray orifice, chews the core outside and oil and chews runner is arranged between the body, and the You Zui side has guide hole.

5, according to the said oil burner of claim 4, it is characterized in that: chew the core outside and be added with helicla flute with the oily runner of chewing between the body.

6,, it is characterized in that the side guide hole that said wind vapour is chewed is an inclined hole according to the said oil burner of one of claim 1～5.

7,, it is characterized in that wind vapour has helicla flute outside chewing according to the said oil burner of claim 6.

8, according to the said oil burner of one of claim 1～5, it is characterized in that: said wind vapour is chewed the rear end and is had sliding sleeve, sliding sleeve is enclosed within outside the oil pocket movingly, and between sliding sleeve and oil pocket outer wall or wind cover inwall roll adjustment helicla flute and guide pin is housed, and the pivoted arm that the sliding sleeve rear end has extends.

9, according to the said oil burner of claim 7, it is characterized in that: said wind vapour is chewed the rear end and is had sliding sleeve, sliding sleeve is enclosed within outside the oil pocket movingly, and between sliding sleeve and oil pocket outer wall or wind cover inwall roll adjustment helicla flute and guide pin is housed, and the pivoted arm that the sliding sleeve rear end has extends.

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