CN109812971A - Fuel heater unit - Google Patents
Fuel heater unit Download PDFInfo
- Publication number
- CN109812971A CN109812971A CN201910230071.3A CN201910230071A CN109812971A CN 109812971 A CN109812971 A CN 109812971A CN 201910230071 A CN201910230071 A CN 201910230071A CN 109812971 A CN109812971 A CN 109812971A
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- oil
- fuel
- atomizer
- heater unit
- solenoid valve
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Abstract
The present invention provides a kind of fuel heater units, belong to field of mechanical technique.It, which solves the problems, such as that existing fuel heater unit fuel feeding is inaccurate, keeps combustion efficiency undesirable.This fuel heater unit, including fuel tank and the outer cover being connected on fuel tank, combustion barrel is fixed in outer cover, the front end of combustion barrel is fixed with cooling fin, the inner end of combustion barrel has oil gas entrance, oil gas inlet is equipped with atomizer, ignition electrode and blower, electric-spraying fuel pump and oil return solenoid valve are equipped in fuel tank, the oil inlet end of oil return solenoid valve is connected with the oil outlet of electric-spraying fuel pump by oil pipe one, the oil outlet of oil return solenoid valve can be connected with atomizer by oil pipe two, the oil revolving end of oil return solenoid valve is connected with fuel tank, and the oil revolving end of oil return solenoid valve is in the open state when electric-spraying fuel pump stops to atomizer fuel feeding.The oil feed line of this fuel heater unit has the advantages that backflow functionality, fuel feeding be accurate and reliable operation.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of warm-air drier, especially a kind of fuel heater unit.
Background technique
Energy-saving and environment-friendly fuel heater unit generates heat using diesel oil or kerosene as fuel, by burning diesel oil or kerosene.It is existing
The energy-saving and environment-friendly fuel heater unit having passes through combustion of the gear pump by the petrolift in fuel tank to energy-saving and environment-friendly fuel heater unit
It burns in cylinder and burns, but fuel heater unit in the prior art conveys fuel oil using gear pump, the atomizing particle of fuel oil is big,
Oxygen supply is few when burning, therefore it is insufficient to will cause burning, in addition, the heat output effect of existing fuel heater unit is less
It is good, it is easy to produce biggish thermal losses.
A kind of fuel heater unit as disclosed in Chinese patent literature (application number: 201721446144.5), including fuel tank, oil
Case upper-end front is equipped with burning bucket, and burning bucket rear end is connected with burning head assembly, and burning bucket front end is equipped with air outlet component, fuel tank
Upper rear is connected with cooling device, and fuel tank side is equipped with control device, and burning head assembly includes fixed disk, and fixed back-end disk connects
It is connected to stable flame pan, oil nozzle is equipped among stable flame pan, guide vane is equipped in stable flame pan, the cooperation of stable flame pan side is equipped with ignition electrode, surely
Flame back-end disk is connected with wind wheel motor, the output end directing of wind wheel motor, and oil nozzle is connect with the oil suction component on fuel tank,
Burning bucket is externally provided with heat insulation barrel, and oil suction component includes the fuel sucking pipe that one end is connect with fuel tank and oil suction sealing ring, and fuel sucking pipe is another
End connects the oil nozzle, and fuel sucking pipe is equipped with electromagnetic pump bracket, is connected with electromagnetic pump and filter on electromagnetic pump bracket.But the combustion
Oil-returning structure is not provided between the electromagnetic pump and fuel sucking pipe of oily warm-air drier, therefore close fuel heater unit to make electromagnetic pump and wind
After turbin generator stops working, remaining fuel oil enters in burning bucket and carries out burn incompletely and black smoke of emerging in fuel sucking pipe, because
This its fuel feeding is inaccurate to keep combustion efficiency undesirable.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, proposing a kind of oil feed line has reflux function
Can, fuel feeding is accurate and the fuel heater unit of reliable operation.
Object of the invention can be realized by the following technical scheme: fuel heater unit, including fuel tank and is connected in oil
Outer cover on case is fixed with combustion barrel in the outer cover, and the front end of the combustion barrel is fixed with cooling fin, the burning
The inner end of cylinder has oil gas entrance, and the oil gas inlet is equipped with atomizer, ignition electrode and blower, and the blower goes out
The jet of air port and atomizer is towards the oil gas entrance, which is characterized in that is equipped with EFI in the fuel tank and fires
Oil pump and oil return solenoid valve, the oil return solenoid valve have oil inlet end, oil outlet and oil revolving end, the oil return electromagnetism
The oil inlet end of valve is connected with the oil outlet of the electric-spraying fuel pump by oil pipe one, the oil outlet of the oil return solenoid valve
It can be connected with the atomizer by oil pipe two, the oil revolving end of the oil return solenoid valve is connected with the fuel tank
It is logical, and when the electric-spraying fuel pump stops atomizer fuel feeding described in the oil revolving end of oil return solenoid valve be in open shape
State.
At work, starting electric-spraying fuel pump conveys fuel oil and by oil pipe two toward atomizer fuel feeding to oil return solenoid valve,
Atomizer sprays into fuel oil toward combustion barrel, while blower is blown into air toward combustion barrel, by ignition electrode, makes fuel oil and air burning cylinder
Interior burning.When needing to stop working, electric-spraying fuel pump fuel cut-off, the oil revolving end of oil return solenoid valve is in open shape at this time
State, the fuel oil in above-mentioned oil pipe are back in fuel tank by the oil revolving end of oil return solenoid valve, and fuel oil extra in oil pipe is avoided to enter
Insufficient over-emitting black exhaust that burns then is caused to combustion barrel, has the advantages that fuel feeding is accurate and reliable operation.Electric-spraying fuel pump is
A kind of electric-spraying fuel pump (application number: 2016205411033), electric-spraying fuel pump be motorcycle electric spraying fuel pump (application number:
2017213235396), using electric-spraying fuel pump, have the advantages that confession accuracy is higher and cost is relatively low.
In above-mentioned fuel heater unit, this fuel heater unit includes control circuit board, the electric-spraying fuel pump and
The oil return solenoid valve is connected with the control circuit board.Oil return solenoid valve and EFI are controlled by control circuit board
Fuel oil pump work has the advantages that easy to control and control is more accurate.
In above-mentioned fuel heater unit, the oil gas inlet is coaxially fixed with tubular atomizer front shroud, institute
Perforation before and after the atomizer front shroud stated, the blower are located at the outside of the atomizer front shroud and the outlet air of the blower
Mouthful towards on the inside of the described atomizer front shroud.Blower is sent into combustion barrel through atomizer front shroud by the way that atomizer front shroud is arranged
Air has the advantages that air-supply effect is preferable and structure is relatively simple.
In above-mentioned fuel heater unit, the oil spout of tubular is fixed between the atomizer front shroud and the blower
Mouth seat, the atomizer are connected in the middle part of the nozzle holder and are coaxially disposed with the combustion barrel, and described
The jet of atomizer is towards atomizer front shroud.Atomizer is connected in the middle part of nozzle holder and is coaxially disposed with combustion barrel, makes
Atomizer can uniformly the oil spout in combustion barrel, improve efficiency of combustion.
In above-mentioned fuel heater unit, the inner end of the atomizer is equipped with impeller inducer.By above-mentioned impeller inducer,
The inner sidewall of the air for being sent into blower toward atomizer front shroud is oriented to, and has preferable wind effect.
In above-mentioned fuel heater unit, the inner end of the atomizer front shroud has coaxial arrangement and leading in cone cylinder shape
Wind portion, the lateral wall of the air dam are equipped with perforative air-guiding hole, and the air-guiding hole is oriented to the interior of the combustion barrel
Side wall.The air for flowing through atomizer front shroud is oriented to the inner sidewall of combustion barrel by air-guiding hole, makes air and oil in combustion barrel
Mist can be mixed preferably, improve efficiency of combustion.
In above-mentioned fuel heater unit, the lateral wall of the combustion barrel is equipped with layers of insulating fabric and the heat-insulated fibre
Dimension layer is located in outer cover.The lateral wall of combustion barrel is equipped with layers of insulating fabric, plays preferable heat insulation, avoids the temperature of outer cover
It is excessively high, improve safety in utilization.
In above-mentioned fuel heater unit, between the lateral wall of the layers of insulating fabric and the inner sidewall of the outer cover
Cooling chamber is formed, is equipped with cooling fan in the outer cover, the cooling fan is located at the downside of the combustion barrel and institute
The air outlet for the cooling fan stated upward and blows to the cooling chamber.Cooling fan blows to cooling chamber to combustion barrel and outer cover
Cool down, has using safe and improve service life.
In above-mentioned fuel heater unit, the outer end of the outer cover is fixed with protective net, and the protective net is provide with
In the outside of the cooling fin.The outside mask of cooling fin is equipped with protective net, prevents to scald, and has using safer
Advantage.
In above-mentioned fuel heater unit, the outer cover is equipped with temperature sensor, the temperature sensor and institute
The control circuit board stated is connected.When the temperature sensor senses on outer cover to temperature are more than set temperature, temperature sensor hair
To control circuit board, control circuit board control electric-spraying fuel pump stops working signal out, and it is excessively high to can be avoided envelope temperature, improves
Safety in utilization.
In above-mentioned fuel heater unit, the fuel tank is equipped with shock sensor, the shock sensor and institute
The control circuit board stated is connected.After shock sensor senses that the shock value of the fuel tank reaches setting, control circuit board control
Electric-spraying fuel pump stops working, and improves safety in utilization.
In above-mentioned fuel heater unit, photosensitive sensor, the photosensitive sensor and institute are equipped in the outer cover
The control circuit board stated is connected, and the photosensitive sensor can incude the light in the combustion barrel.Work as fuel heater unit
When booting, the high voltage package work that control circuit board control is connected with ignition electrode makes ignition electrode light a fire；When the normal work of fuel heater unit
After work, fuel oil is in burning cylinder roasting, and when having flame in photosensitive sensor detection combustion barrel, control circuit board controls high pressure
Packet makes ignition electrode stop igniting；When not having flame in photosensitive sensor detection combustion barrel, control circuit board control high voltage package makes
Ignition electrode igniting, has the advantages that reliable operation and stable.
Compared with prior art, this fuel heater unit has the advantage that
1, when needing to stop working, electric-spraying fuel pump fuel cut-off, the oil revolving end of oil return solenoid valve, which is in, at this time is opened
State, the fuel oil in above-mentioned oil pipe are back in fuel tank by the oil revolving end of oil return solenoid valve, avoid fuel oil extra in oil pipe into
Enter to combustion barrel and then cause insufficient over-emitting black exhaust that burns, has the advantages that fuel feeding is accurate and reliable operation；
2, so that blower is sent into air in combustion barrel through atomizer front shroud by the way that atomizer front shroud is arranged, there is air-supply effect
Preferable and relatively simple structure advantage；
3, the air for flowing through atomizer front shroud is oriented to the inner sidewall of combustion barrel by air-guiding hole, makes the air in combustion barrel
It can preferably be mixed with mist of oil, improve efficiency of combustion；
4, when the temperature sensor senses on outer cover to temperature are more than set temperature, temperature sensor sends a signal to control
Wiring board processed, control circuit board control electric-spraying fuel pump stop working, and it is excessively high to can be avoided envelope temperature, improves using safe
Property.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this fuel heater unit.
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1.
In figure, 1, fuel tank；2, outer cover；3, combustion barrel；3a, oil gas entrance；4, cooling fin；5, atomizer；6, ignition electrode；7,
Blower；8, electric-spraying fuel pump；9, oil return solenoid valve；10, oil pipe one；11, oil pipe two；12, atomizer front shroud；12a, air dam；
12b, air-guiding hole；13, nozzle holder；14, impeller inducer；15, layers of insulating fabric；16, cooling chamber；17, cooling fan；18, prevent
Protective net；19, temperature sensor；20, shock sensor；21, photosensitive sensor.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Fig. 1 to 2, fuel heater unit is connected in outer cover 2 including fuel tank 1 and the outer cover being connected on fuel tank 12
There is a combustion barrel 3, the front end of combustion barrel 3 is fixed with cooling fin 4, and the inner end of combustion barrel 3 has an oil gas entrance 3a, at oil gas entrance 3a
Equipped with atomizer 5, ignition electrode 6 and blower 7, the air outlet of blower 7 and the jet of atomizer 5 are towards oil gas entrance
3a, fuel tank 1 is interior to be equipped with electric-spraying fuel pump 8 and oil return solenoid valve 9, and oil return solenoid valve 9 has oil inlet end, oil outlet and oil return
The oil inlet end at end, oil return solenoid valve 9 is connected with the oil outlet of electric-spraying fuel pump 8 by oil pipe 1, and oil return solenoid valve goes out
Oily end can be connected with atomizer 5 by oil pipe 2 11, and the oil revolving end of oil return solenoid valve 9 is connected with fuel tank 1, and works as EFI
The oil revolving end that fuel pump 8 stops oil return solenoid valve 9 when to 5 fuel feeding of atomizer is in the open state.
This fuel heater unit includes control circuit board, and outer cover 2 is equipped with temperature sensor 19, and fuel tank 1 is equipped with vibration and passes
Sensor 20, electric-spraying fuel pump 8, oil return solenoid valve 9, temperature sensor 19 and shock sensor 20 with control circuit board phase
Even.Outer cover 2 is equipped with photosensitive sensor 21, and photosensitive sensor 21 is connected with control circuit board, and photosensitive sensor 21 can incude
Light in combustion barrel 3.
It is coaxially fixed with tubular atomizer front shroud 12 at oil gas entrance 3a, is penetrated through before and after atomizer front shroud 12, blower 7
Positioned at the outside of atomizer front shroud 12 and the air outlet of blower 7 is towards the inside of atomizer front shroud 12.Atomizer front shroud 12 and blower 7
Between be fixed with the nozzle holder 13 of tubular, atomizer 5 is connected in the middle part of nozzle holder 13 and is coaxially disposed with combustion barrel 3,
And the jet of atomizer 5 is towards atomizer front shroud 12.The inner end of atomizer 5 is coaxially provided with impeller inducer 14.Atomizer front shroud
12 inner end has coaxial arrangement and is in the air dam 12a of cone cylinder shape, and the lateral wall of air dam 12a is equipped with perforative air-guiding hole
The inner sidewall of 12b, air-guiding hole 12b guiding combustion barrel 3.
The lateral wall of combustion barrel 3 is equipped with layers of insulating fabric 15 and layers of insulating fabric 15 is located in outer cover 2, layers of insulating fabric 15
Lateral wall and outer cover 2 inner sidewall between form cooling chamber 16, cooling fan 17 is equipped in outer cover 2.The outer end of outer cover 2 is connected
There is protective net 18, and protective net 18 is located at the outside of cooling fin 4, prevent to scald, has the advantages that using safer.
At work, starting electric-spraying fuel pump 8 conveys fuel oil to oil return solenoid valve 9 and passes through oil pipe 2 11 toward atomizer 5
Fuel feeding, the oil gas entrance 3a of atomizer 5 toward combustion barrel 3 sprays into fuel oil, while blower 7 is sent into air toward atomizer front shroud 12, leads to
Crossing impeller inducer 14 is oriented to air toward the inner sidewall of atomizer front shroud 12, incites somebody to action by the air-guiding hole 12b of atomizer front shroud 12
The inner sidewall for flowing through the air guiding combustion barrel 3 of atomizer front shroud 12, enables the air in combustion barrel 3 preferably to mix with mist of oil
It closes, the high voltage package work being connected by control circuit board control with ignition electrode 6 makes ignition electrode 6 light a fire, and makes fuel oil and air burning
Burning in cylinder 3.When photosensitive sensor 21, which detects, has flame in combustion barrel 3, control circuit board control high voltage package makes ignition electrode 6
Stop igniting；When not having flame in photosensitive sensor detection combustion barrel 3, control circuit board control high voltage package makes pin mark of lighting a fire
Fire.
Cooling fan 17 is located at the air outlet of the downside of combustion barrel 3 and cooling fan 17 upward and blows to cooling chamber 16, right
Combustion barrel 3 and outer cover 2 cool down, and have using safe and improve service life.
When needing to stop working, 8 fuel cut-off of electric-spraying fuel pump, the oil revolving end of oil return solenoid valve 9, which is in, at this time is opened
State, the fuel oil in above-mentioned oil pipe are back in fuel tank 1 by the oil revolving end of oil return solenoid valve 9, avoid fuel oil extra in oil pipe
It enters combustion barrel 3 and then causes insufficient over-emitting black exhaust that burns, have the advantages that fuel feeding is accurate and reliable operation.EFI fuel oil
For a kind of electric-spraying fuel pump, (application number: 2016205411033), electric-spraying fuel pump 8 is the (application of motorcycle electric spraying fuel pump to pump 8
Number: 2017213235396), using electric-spraying fuel pump 8, have the advantages that confession accuracy higher and cost is relatively low.
Oil return solenoid valve 9 and electric-spraying fuel pump 8 is controlled by control circuit board to work, have easy to control and control compared with
For accurate advantage.When the temperature sensor 19 on outer cover 2 senses that temperature is more than set temperature, temperature sensor 19 is issued
To control circuit board, control circuit board control electric-spraying fuel pump 8 stops working signal, and it is excessively high to can be avoided 2 temperature of outer cover, improves
Safety in utilization.After shock sensor 20 senses that the shock value of the fuel tank 1 reaches setting, control circuit board controls EFI
Fuel pump 8 stops working, and improves safety in utilization.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although fuel tank 1, outer cover 2, combustion barrel 3, oil gas entrance 3a, cooling fin 4, atomizer 5, point is used more herein
Fiery needle 6, blower 7, electric-spraying fuel pump 8, oil return solenoid valve 9, oil pipe 1, oil pipe 2 11, atomizer front shroud 12, air dam 12a,
Air-guiding hole 12b, nozzle holder 13, impeller inducer 14, layers of insulating fabric 15, cooling chamber 16, cooling fan 17, protective net 18, temperature
The terms such as sensor 19, shock sensor 20, photosensitive sensor 21 are spent, but it does not exclude the possibility of using other terms.Make
It is only for the convenience of describing and explaining the nature of the invention with these terms；It is construed as any additional
Limitation is disagreed with spirit of that invention.
Claims (10)
1. fuel heater unit is connected in the outer cover (2) including fuel tank (1) and the outer cover (2) being connected on fuel tank (1)
Have combustion barrel (3), the front end of the combustion barrel (3) is fixed with cooling fin (4), and the inner end of the combustion barrel (3) has oil
Gas entrance (3a) is equipped with atomizer (5), ignition electrode (6) and blower (7), the blower at the oil gas entrance (3a)
(7) jet of air outlet and atomizer (5) is towards the oil gas entrance (3a), which is characterized in that the oil
It is equipped with electric-spraying fuel pump (8) and oil return solenoid valve (9) in case (1), the oil return solenoid valve (9) has oil inlet end, fuel-displaced
The oil outlet of end and oil revolving end, the oil inlet end of the oil return solenoid valve (9) and the electric-spraying fuel pump (8) passes through oil pipe
One (10) are connected, and the oil outlet of the oil return solenoid valve (9) can pass through oil pipe two (11) phase with the atomizer (5)
Connection, the oil revolving end of the oil return solenoid valve (9) are connected with the fuel tank (1), and work as the electric-spraying fuel pump (8)
The oil revolving end of oil return solenoid valve (9) described in when stopping atomizer (5) fuel feeding is in the open state.
2. fuel heater unit according to claim 1, which is characterized in that this fuel heater unit includes control circuit board, institute
The electric-spraying fuel pump (8) and the oil return solenoid valve (9) stated are connected with the control circuit board.
3. fuel heater unit according to claim 1, which is characterized in that be coaxially fixed at the oil gas entrance (3a)
Tubular atomizer front shroud (12), atomizer front shroud (12) the front and back perforation, the blower (7) are located at the spray
The air outlet of the outside of oil nozzle front shroud (12) and the blower (7) is towards on the inside of the atomizer front shroud (12).
4. fuel heater unit according to claim 3, which is characterized in that the atomizer front shroud (12) and the wind
The nozzle holder (13) of tubular is fixed between machine (7), the atomizer (5) is connected in the nozzle holder (13)
It portion and is coaxially disposed with the combustion barrel (3), and the jet of the atomizer (5) is towards atomizer front shroud (12).
5. fuel heater unit according to claim 1 or 2 or 3 or 4, which is characterized in that the inner end of the atomizer (5)
Equipped with impeller inducer (14).
6. fuel heater unit according to claim 3 or 4, which is characterized in that the inner end of the atomizer front shroud (12)
With coaxial arrangement and in the air dam (12a) of cone cylinder shape, the lateral wall of the air dam (12a) is equipped with perforative wind-guiding
Hole (12b), the inner sidewall of the air-guiding hole (12b) the guiding combustion barrel (3).
7. fuel heater unit according to claim 1 or 2 or 3 or 4, which is characterized in that the outside of the combustion barrel (3)
Wall is equipped with layers of insulating fabric (15) and the layers of insulating fabric (15) is located in outer cover (2).
8. fuel heater unit according to claim 7, which is characterized in that the lateral wall of the layers of insulating fabric (15) with
Cooling chamber (16) are formed between the inner sidewall of the outer cover (2), are equipped with cooling fan (17) in the outer cover (2), it is described
Cooling fan (17) be located at the downside of the combustion barrel (3) and the air outlet of the cooling fan (17) upward and blows to
The cooling chamber (16).
9. according to fuel heater unit described in Claims 2 or 3 or 4, which is characterized in that the outer cover (2) is equipped with temperature
Sensor (19), the temperature sensor (19) are connected with the control circuit board.
10. according to fuel heater unit described in Claims 2 or 3 or 4, which is characterized in that the fuel tank (1) is equipped with vibration
Sensor (20), the shock sensor (20) are connected with the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230071.3A CN109812971A (en) | 2019-03-25 | 2019-03-25 | Fuel heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230071.3A CN109812971A (en) | 2019-03-25 | 2019-03-25 | Fuel heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109812971A true CN109812971A (en) | 2019-05-28 |
Family
ID=66610319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230071.3A Pending CN109812971A (en) | 2019-03-25 | 2019-03-25 | Fuel heater unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812971A (en) |
-
2019
- 2019-03-25 CN CN201910230071.3A patent/CN109812971A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 317500, No. 1, science Road, Chengdong street, Wenling, Zhejiang, Taizhou Applicant after: Qianjiang Group Wenling Zhengfeng Power Co., Ltd Address before: 317500, No. 1, science Road, Chengdong street, Wenling, Zhejiang, Taizhou Applicant before: Wenling Zhengfeng Power Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |