CN108656898A - Fuel heater - Google Patents
Fuel heater Download PDFInfo
- Publication number
- CN108656898A CN108656898A CN201810589517.7A CN201810589517A CN108656898A CN 108656898 A CN108656898 A CN 108656898A CN 201810589517 A CN201810589517 A CN 201810589517A CN 108656898 A CN108656898 A CN 108656898A
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- China
- Prior art keywords
- air
- combustion chamber
- inlet channel
- fuel oil
- combustion
- 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.)
- Granted
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- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 239000000295 fuel oil Substances 0.000 claims abstract description 55
- 238000009834 vaporization Methods 0.000 claims abstract description 35
- 230000008016 vaporization Effects 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims description 31
- 239000000779 smoke Substances 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 230000011218 segmentation Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 6
- 238000002309 gasification Methods 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
- B60H2001/2271—Heat exchangers, burners, ignition devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of fuel heaters, including：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms；Vaporization mechanism is used to provide the fuel oil of vaporization so that fuel oil burns in the combustion chamber for combustion chamber；Blast mechanism is used to provide air for combustion chamber and vaporization mechanism；Inlet channel is surrounded by outside combustion chamber, inlet channel is with combustion chamber so that flow direction of the air in inlet channel is opposite with the indoor fuel oil of burning and the flow direction of flame.Blast mechanism admits air into inlet channel, flow direction of the air in inlet channel is opposite with the flow direction of the fuel oil and flame that burn in the combustion chamber, heat caused by fuel oil burning is exactly the air opposite with fuel oil runner direction and is preheated, so that the air in inlet channel is preheated rear into combustion chamber, to improve the temperature of the air mixed for the fuel oil with vaporization, vaporization ignition condition and burning condition are improved, the burn-off rate of fuel oil is improved.
Description
Technical field
The present invention relates to automobile technical fields, and a kind of be used for as in the engine of automobile or automobile cab room is especially arranged
The fuel heater of heating.
Background technology
The cold districts winter automobile starting at low temp such as northeast, North China and northwest is difficult, generally use big to engine damage
Fuel heater heats up to solve the problems, such as this.
Fuel heater in the prior art generally includes vaporization mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms.
Wherein, vaporization mechanism is for making fuel gasification, combustion mechanism for making the fuel oil of vaporization burn in a combustion chamber, Blast mechanism
Air is provided for combustion chamber and vaporization mechanism, heat exchange mechanisms are used to the heat that burning generates being supplied to the target to be heated
Object (e.g., engine, driver's cabin).
It is following to have found that the fuel heater at least exists when using above-mentioned fuel heater in the prior art by applicant
Disadvantage：
1, because be supplied to vaporization mechanism and combustion chamber in air themperature it is relatively low so that vaporization ignition condition with
And burning condition is poor.
2, so that air inlet is distributed uneven, its periphery and is easy tod produce wadding stream for admitting air into the hole of combustion chamber, make
The indoor efficiency of combustion that must burn is undesirable.
3, the indoor smoke flow resistance that burns is larger, to which the calorific intensity of the parts to surrounding combustion chamber requires height.
4, with combustion mechanism by the way of welding fabrication, this makes junction generate residual stress and change for vaporization mechanism
Shape, and then the accuracy of manufacture is reduced, and the shortcomings that there are weld crackings.
5, the in-house component that its inside is needed to be replaced frequently because easy ting produce carbon distribution is vaporized, however, in the prior art
Vaporization mechanism repair it is poor with convertibility.
Based on the disadvantages mentioned above present in heater in the prior art, it is necessary to provide a kind of device and mechanism to solve
Disadvantages mentioned above in the presence of the prior art.
Invention content
It is an object of the invention to propose a kind of fuel heater.
For this purpose, the technical solution adopted in the present invention is：
A kind of fuel heater, including：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms；
The combustion mechanism have combustion chamber, it is described vaporization mechanism be used for for the combustion chamber provide vaporization fuel oil so that
Fuel oil is in the burning Indoor Combustion；
The Blast mechanism is used to provide air for the combustion chamber and the vaporization mechanism；
The heat derives that the heat exchange mechanisms are used to generate fuel oil burning；Wherein：
Inlet channel is surrounded by outside the combustion chamber, the inlet channel is with the combustion chamber so that air is described
Flow direction in inlet channel is opposite with the indoor fuel oil of the burning and the flow direction of flame.
Preferably,
The vaporization mechanism includes：
Cyclone, the first side are formed with mixing chamber, and the second side is connected with prevapourising pipe, the prevapourising pipe with it is described
Mixing chamber is connected to；
Oil inlet pipe is used for as the prevapourising pipe fuel feeding；
Glow plug, the gasification of fuel oil for being used to make to enter in the prevapourising pipe is so that the fuel oil of vaporization enters the mixing
Chamber；
The combustion mechanism includes：
First inner cylinder, interior to form the combustion chamber, first inner cylinder is connected to the cyclone so that the burning
It is docked with the mixing chamber room；
First outer barrel is connected to the cyclone and is sheathed on outside first inner cylinder and is surrounded with first inner cylinder
The inlet channel of annular is so that air respectively enters the mixing from one end far from the cyclone by inlet channel
Chamber and the combustion chamber.
Preferably, the first air admission hole group is offered on the cyclone, the inlet channel passes through first air admission hole
Group be connected to the mixing chamber so that into the inlet channel air by the first air admission hole group into the mixing chamber with
It is mixed with the fuel oil of the vaporization in the mixing chamber；Offer the second air admission hole group on the barrel of first inner cylinder, it is described into
Gas channel is by the second air admission hole group and the combustion chamber so as to pass through the into the air in the inlet channel
Two air admission hole groups enter the combustion chamber to be mixed with the fuel oil in the combustion chambers burn.
Preferably, the second air admission hole group include along the fuel oil and flame flow direction be arranged in order primary holes group,
Cooling hole group and doping hole group；The primary holes group includes a circle primary holes circumferentially, and the cooling hole group includes week
Cooling hole is enclosed to the two of arrangement；The doping hole group includes a circle doping hole circumferentially.
Preferably, the first side of the cyclone is formed with inner stopper and male half coupling, first inner cylinder with it is described it is interior only
Mouth docking, first outer barrel is docked with the male half coupling, so that first inner cylinder and the first outer barrel are detachably connected to
The cyclone.
Preferably, the Blast mechanism is connected to the combustion mechanism and positioned at the combustion chamber far from institute by block head
One end of cyclone is stated, wherein：
The block head has the air inlet port being connected to the inlet channel and with the combustion chamber far from the rotation
Flow the smoke evacuation duct of device one end connection；So that the Blast mechanism by air inlet port to the inlet channel air blast, the combustion
Flue gas caused by interior is burnt to discharge fume by the smoke evacuation duct.
Preferably, the block head is cylindrical in shape；The inner wall of smoke evacuation duct from the block head is penetrated through to the closure
The outer wall of head；The air inlet port is penetrated through from an end face of the block head to the other end of the block head.
Preferably, the block head includes the second inner cylinder and the second outer barrel for being formed in outside second inner cylinder, described
It is formed with annulus between second outer barrel and second inner cylinder, is provided between second inner cylinder and second outer barrel
The annulus is divided into multiple air inlet ports, the exhaust smoke hole by multiple segmentation sticks, multiple segmentation sticks
Road runs through the segmentation stick.
Preferably, the Blast mechanism includes blower fan, the air outlet of the blower fan towards the block head with
The air blast into the air inlet port.
Preferably, the heat exchange mechanisms include the water jacket being sheathed on outside first outer barrel and are sheathed on outside the water jacket
Shell, so that working medium flows through between the water jacket and the shell.
Compared with prior art, the advantageous effect of fuel heater of the invention is：
1, the flow direction of flow direction of the air in inlet channel and the fuel oil and flame that burn in the combustion chamber
On the contrary, heat caused by fuel oil burning is exactly the air opposite with fuel oil runner direction and is preheated so that inlet channel
Enter combustion chamber after interior air is preheated improves to improve the temperature of the air mixed for the fuel oil with vaporization
Ignition condition and burning condition are vaporized, the burn-off rate of fuel oil is improved.
2, due to interlocking between smoke evacuation duct and air inlet port so that carry amount of heat in smoke evacuation duct
Flue gas can be air inlet port in air be preheated, not only reduce the temperature of flue gas, and make preheated air with
Higher temperature enters combustion chamber and is mixed with fuel oil, so as to improve ignition condition, improves the utilization rate of heat.
Description of the drawings
The specific embodiment part provided by referring to the drawings, the features and advantages of the present invention will become more
It is readily appreciated that, in the accompanying drawings：
Fig. 1 is the main sectional view for the fuel heater that the embodiment of the present invention provides.
Fig. 2 is the main section view of the vaporization mechanism and combustion mechanism assembly in the fuel heater that the embodiment of the present invention provides
Figure.
Fig. 3 is the main sectional view of the block head in the fuel heater that the embodiment of the present invention provides.
Fig. 4 is the left view of the block head in the fuel heater that the embodiment of the present invention provides.
Fig. 5 is the dimensional structure diagram of the block head in the fuel heater that the embodiment of the present invention provides.
In figure：
110- vaporizes mechanism；111- cyclones；1111- mixing chambers；112- prevapourising pipes；113- glow plugs；114- oil inlets
Pipe；115- is atomized net cover；1112- the first air admission hole groups；120- combustion mechanisms；The first inner cylinders of 121-；The first outer barrels of 122-；123-
Inlet channel；The combustion chambers 124-；125- the second air admission hole groups；1251- primary holes groups；1252- cooling hole groups；1253- adulterates hole
Group；The second outer barrels of 211-；The second inner cylinders of 212-；213- air inlet ports；214- smoke evacuations duct；215- divides stick；216- is bowl-shape
Bottom case；217- closing in endoporus；218- seam allowances；200- block heads；300- Blast mechanisms；400- heat exchange mechanisms；401- water jackets；402-
Shell.
Specific implementation mode
Exemplary embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched
It states merely for the sake of demonstration purpose, and is definitely not to the present invention and its application or the limitation of usage.
As depicted in figs. 1 and 2, embodiment of the invention discloses that a kind of fuel heater, the fuel heater include vapour
Change mechanism 110, combustion mechanism 120, Blast mechanism 300 and heat exchange mechanisms 400.Combustion mechanism 120 has combustion chamber 124, vapour
Change mechanism 110 to be used to provide the fuel oil of vaporization so that fuel oil burning in combustion chamber 124 for combustion chamber 124；Blast mechanism 300 is used
In for combustion chamber 124 and vaporization mechanism 110 air is provided；The heat derives that heat exchange mechanisms 400 are used to generate fuel oil burning.
Wherein：Inlet channel 123 is surrounded by outside combustion chamber 124, inlet channel 123 is connected to combustion chamber 124 so that air is logical in air inlet
Flow direction in road 123 in combustion chamber 124 fuel oil and the flow direction of flame it is opposite.
As described above, when being used to heat for engine or driver's cabin using above-mentioned fuel heater, Blast mechanism
300 admit air into inlet channel 123, flow direction of the air in inlet channel 123 and the combustion burnt in combustion chamber 124
The flow direction of oil and flame is on the contrary, in this way, heat caused by fuel oil burning is exactly opposite with fuel oil runner direction
Air is preheated so that is entered combustion chamber 124 after air in inlet channel 123 is preheated, is used for and vapour to improve
The temperature of the air of the fuel oil mixing of change, improves vaporization ignition condition and burning condition, improves the burn-off rate of fuel oil.
Allow there are many structures of fuel heater that inlet channel 123 and combustion chamber 124 form above-mentioned layout,
In a preferred embodiment of the present invention, as shown in Fig. 2, vaporization mechanism 110 includes：Cyclone 111, oil inlet pipe 114 and add
Heat plug 113；Combustion mechanism 120 includes：First inner cylinder 121 and the first outer barrel 122.Wherein, cyclone 111 is disc-shaped, cyclone
111 the first side is formed with mixing chamber 1111, and the second side of cyclone 111 is connected with prevapourising pipe 112, prevapourising pipe 112 with
Mixing chamber 1111 is connected to；Oil inlet pipe 114 is used to be 112 fuel feeding of prevapourising pipe；Glow plug 113 enters prevapourising pipe 112 for making
Interior gasification of fuel oil is so that the fuel oil of vaporization enters mixing chamber 1111；Combustion chamber 124, the first inner cylinder are formed in first inner cylinder 121
121 are connected to cyclone 111 so that combustion chamber 124 is docked with mixing chamber 1111；First outer barrel 122 be connected to cyclone 111 and
It is sheathed on outside the first inner cylinder 121 and surrounds annular inlet channel 123 with the first inner cylinder 121 so that air is from far from cyclone
111 one end respectively enters mixing chamber 1111 and combustion chamber 124 by inlet channel 123.To improve the vaporization rate of fuel oil, heating
Atomization net cover 115 is also arranged on plug 113, which contributes to efficiency of the glow plug 113 to fuel gasification.
As described above, the fuel oil that prevapourising pipe 112 is fed by oil inlet pipe 114 is heated by glow plug 113 and is vaporized, vaporization
Fuel oil enter mixing chamber 1111 and mixed with the air that inlet channel 123 is fed, mixed vapour-oil mixture flows to
Combustion chamber 124 is burnt, and the heat that burning generates in combustion chamber 124 passes to ring-type by 121 part of the first inner cylinder
Inlet channel 123, to being preheated to the air in inlet channel 123, the air being preheated constantly enters mixing chamber
1111 and combustion chamber 124 and mixed with fuel oil, so as to improve ignition condition and burning condition, improve efficiency of combustion.
Inlet channel 123 can feed mixing chamber 1111 and combustion chamber 124 in several ways, as shown in Fig. 2, in this hair
In a bright preferred embodiment, offer the first air admission hole group 1112 on cyclone 111, inlet channel 123 by first into
Stomata group 1112 is connected to mixing chamber 1111 so that the air into inlet channel 123 is mixed by the entrance of the first air admission hole group 1112
Chamber 1111 is closed to be mixed with the fuel oil of the vaporization in mixing chamber 1111.The second air admission hole is offered on the barrel of first inner cylinder 121
Group 125, inlet channel 123 is connected to combustion chamber 124 so that into the sky in inlet channel 123 by the second air admission hole group 125
Gas enters combustion chamber 124 to be mixed with the fuel oil to burn in combustion chamber 124 by the second air admission hole group 125.In this way, inlet channel
Air in 123 passes through the first air admission hole group 1112 and the second air admission hole group 125 respectively after the fuel-firing preheating in combustion chamber 124
Into in mixing chamber 1111 and combustion chamber 124.
In a preferred embodiment of the invention, the second air admission hole group 125 includes being flowed to successively along fuel oil and flame
Primary holes group 1251, cooling hole group 1252 and the doping hole group 1253 of arrangement；Primary holes group 1251 includes one circumferentially
Primary holes is enclosed, cooling hole group 1252 includes two circle cooling holes circumferentially；It includes a circle circumferentially to adulterate hole group 1253
Adulterate hole.In the present embodiment, air is entered by primary holes group 1251, cooling hole group 1252 and doping hole group 1253 respectively
Combustion chamber 124.It is mixed with fuel oil after air enters combustion chamber 124 by primary holes group 1251 and fuel oil is helped to burn,
Air is entered by cooling hole group 1252 for cooling down for flame in combustion chamber 124, and in doping hole, inlet channel 123
Air can enter combustion chamber 124 by adulterating hole group 1253, the flue gas in combustion chamber 124, which can pass through, to be adulterated hole group 1253 and enters
Inlet channel 123, therefore, if doping hole is easy to make to generate wadding stream at doping hole using multi-turn in the prior art dislocation arrangement,
And the present invention makes doping hole arrange one end, to effectively prevent generating wadding stream at doping hole.
Combustion chamber 124 in the prior art is tapered configuration, generates larger resistance to the flowing of flue gas, is asked to solve this
Inner cylinder is arranged to cylinder by topic, the present invention so that combustion chamber 124 is in column cavity-like, to reduce combustion chamber 124 itself to flue gas
The resistance of flowing reduces the temperature of the first inner cylinder 121 and surrounding components, to reduce to the calorific intensity of parts
It is required that.
In a preferred embodiment of the invention, as shown in Fig. 2, the second side of cyclone 111 be formed with inner stopper and
Male half coupling, the first inner cylinder 121 are docked with inner stopper, and the first outer barrel 122 is docked with male half coupling.In this way, the first inner cylinder 121 and first
Outer barrel 122 realizes detachably connected, middle compared with the prior art to be connected by the way of welding, use with cyclone 111
Above structure can effectively prevent junction to generate residual stress and deformation, improve the same of combustion chamber 124 and mixing chamber 1111
Axis precision.Preferably, the first side of cyclone 111 is formed with important actor, and mixing chamber 1111 is formed in the middle part of important actor and penetrates through important actor
End face, inner stopper is formed in the end face of important actor.
In a preferred embodiment of the invention, as shown in Figure 1, Blast mechanism 300 is connected to combustion by block head 200
It burns mechanism 120 and is located at the one end of combustion chamber 124 far from cyclone 111,200 one side of block head is for making combustion mechanism
Flue gas discharge caused by fuel oil burning in 120 combustion chamber 124 is outdoor, is on the other hand used to that Blast mechanism 300 to be made to be pushed away
The air gone out is sent into combustion chamber 124 via inlet channel 123 and is mixed with fuel oil so that fuel oil realizes burning.Block head
200 have the air inlet port 213 being connected to inlet channel 123 and the row being connected to far from 111 one end of cyclone with combustion chamber 124
Cigarette duct 214；So that Blast mechanism 300 by air inlet port 213 to 123 air blast of inlet channel, in combustion chamber 124 caused by
Flue gas is discharged fume by duct 214 of discharging fume.
In a preferred embodiment of the invention, as shown in Fig. 3 to 5, block head 200 is cylindrical in shape；Duct 214 discharge fume certainly
The inner wall of block head 200 is penetrated through to the outer wall of block head 200；One end face of 213 self-styled plug 200 of air inlet port is penetrated through to envelope
The other end of plug 200.In the present embodiment, block head 200 including the second inner cylinder 212 and is formed in the second inner cylinder 212
The second outer outer barrel 211 is formed with annulus, the second inner cylinder 212 and second between second outer barrel 211 and the second inner cylinder 212
Multiple segmentation sticks 215 are provided between outer barrel 211, annulus is divided into multiple air inlet ports by multiple segmentation sticks 215
213, smoke evacuation duct 214 is through segmentation stick 215.Preferably, smoke evacuation duct 214 is in the section on its extending direction
" sub warhead " type.Air inlet port 213 is perpendicular to the section of its extending direction defined by between two neighboring segmentation stick 215
In " drum " shape.
According to above-mentioned：1, smoke evacuation duct 214 is adjacent with air inlet port 213 and is spaced and is vertically arranged.In this way, air
It is flowed with flue gas adverse current intersecting vertical, enhances the heat exchange of flue gas and air, improve catching fire and after-flame spy in combustion chamber 124
Property；2, air inlet port 213 is set and duct 214 of discharging fume ensure that the segmentation uniformity of 215 temperature of stick, the uniformity of air-flow with
And have guide functions to air, air flow resistance can be reduced, reduce flow losses.
In a preferred embodiment of the invention, as shown in Fig. 3 to 5, block head 200 is located at 213 import of air inlet port
One end be provided with the bowl-shape bottom case 216 of the endoporus for being plugged in block head 200.In the present embodiment, using the bowl-shape knot of concave
Structure blocks endoporus, and bowl structure ensure that air-flow there is preferable water conservancy diversion to make flue gas discharge the uniformity that bottom case washes away simultaneously
With.
In a preferred embodiment of the invention, block head 200 be located at air inlet port 213 outlet one end be formed with receipts
Mouth endoporus 217.Block head 200, which is located at, to be formed on one end of the outlet of air inlet port 213 for being docked with combustion mechanism 120
Seam allowance 218.In this way, when block head 200 is installed in 121 (the endoporus formation burning of the first endoporus of the first inner cylinder of combustion mechanism 120
Room 124) on when, the inner wall for shrinking the port of endoporus flushes and smoothly with the inner wall of the first inner cylinder 121, to effectively prevent gas
Generation the case where docking location is obstructed is flowed, in addition, closing-in structure can not only be docked with 121 perfection of the first inner cylinder, and again
It can ensure that block head 200 has preferable rigidity and intensity；Seam allowance 218 makes block head 200 and the stringent centering of cylinder, favorably
In the discharge of flue gas.
In a preferred embodiment of the invention, Blast mechanism 300 includes blower fan, the air outlet court of blower fan
To block head 200 bowl-shape bottom case 216 with the air blast into air inlet port 213.
It is docked with the part realization in Blast mechanism 300 for convenience of block head 200, block head 200 is located at air inlet port 213
Second outer barrel 211 of the ontology of one end of import protrudes from the second inner cylinder 212, the part protruded by the second outer barrel 211 and drum
Blower fan in wind mechanism 300 is docked.
In a preferred embodiment of the invention, as shown in Figure 1, heat exchange mechanisms 400 include being sheathed on the first outer barrel 122
Outer water jacket 401 and the shell 402 being sheathed on outside water jacket 401, in this way, working medium (e.g., water) from water jacket 401 and shell 402 it
Between flow through, to absorb fuel oil burning caused by heat so that the heat absorbed be used for be engine start or driving
Room heat supply.
Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to
The specific implementation mode that Yu Wenzhong is described in detail and shows, without departing from claims limited range, this
Field technology personnel can make various changes to illustrative embodiments.
Claims (10)
1. a kind of fuel heater, which is characterized in that including：Vaporize mechanism, combustion mechanism, Blast mechanism and heat exchange mechanisms；
There is the combustion mechanism combustion chamber, the vaporization mechanism to be used to provide the fuel oil of vaporization so that fuel oil for the combustion chamber
In the burning Indoor Combustion；
The Blast mechanism is used to provide air for the combustion chamber and the vaporization mechanism；
The heat derives that the heat exchange mechanisms are used to generate fuel oil burning；Wherein：
Inlet channel is surrounded by outside the combustion chamber, the inlet channel is with the combustion chamber so that air is in the air inlet
Flow direction in channel is opposite with the indoor fuel oil of the burning and the flow direction of flame.
2. fuel heater as described in claim 1, which is characterized in that
The vaporization mechanism includes：
Cyclone, the first side are formed with mixing chamber, and the second side is connected with prevapourising pipe, and the prevapourising pipe is mixed with described
Chamber is connected to；
Oil inlet pipe is used for as the prevapourising pipe fuel feeding；
Glow plug, the gasification of fuel oil for being used to make to enter in the prevapourising pipe is so that the fuel oil of vaporization enters the mixing chamber；
The combustion mechanism includes：
First inner cylinder, in form the combustion chamber, first inner cylinder be connected to the cyclone so that the combustion chamber with
The mixing chamber docking；
First outer barrel is connected to the cyclone and is sheathed on outside first inner cylinder and surrounds annular with first inner cylinder
The inlet channel so that air from far from the cyclone one end by inlet channel respectively enter the mixing chamber and
The combustion chamber.
3. fuel heater as claimed in claim 2, which is characterized in that the first air admission hole group is offered on the cyclone,
The inlet channel is connected to by the first air admission hole group with the mixing chamber so that the air into the inlet channel is logical
The first air admission hole group is crossed into the mixing chamber to be mixed with the fuel oil of the vaporization in the mixing chamber；The cylinder of first inner cylinder
Offer the second air admission hole group on wall, the inlet channel by the second air admission hole group and the combustion chamber so that into
Enter air in the inlet channel by the second air admission hole group enter the combustion chamber with the combustion in the combustion chambers burn
Oil mixing.
4. fuel heater as claimed in claim 3, which is characterized in that the second air admission hole group include along the fuel oil with
And primary holes group, cooling hole group and the doping hole group that flame flow direction is arranged in order；The primary holes group includes circumferentially
One circle primary holes, the cooling hole group include two circle cooling holes circumferentially；The doping hole group includes one circumferentially
Circle doping hole.
5. fuel heater as claimed in claim 2, which is characterized in that the first side of the cyclone be formed with inner stopper and
Male half coupling, first inner cylinder are docked with the inner stopper, and first outer barrel is docked with the male half coupling, so that described first
Inner cylinder and the first outer barrel are detachably connected to the cyclone.
6. fuel heater as claimed in claim 2, which is characterized in that the Blast mechanism is connected to described by block head
Combustion mechanism is simultaneously located at the one end of the combustion chamber far from the cyclone, wherein：
The block head has the air inlet port being connected to the inlet channel and with the combustion chamber far from the cyclone
The smoke evacuation duct of one end connection；So that the Blast mechanism by air inlet port to the inlet channel air blast, the combustion chamber
Flue gas is discharged fume by the smoke evacuation duct caused by interior.
7. fuel heater as claimed in claim 6, which is characterized in that the block head is cylindrical in shape；The smoke evacuation duct is certainly
The inner wall of the block head is penetrated through to the outer wall of the block head；The air inlet port is penetrated through from an end face of the block head
To the other end of the block head.
8. fuel heater as claimed in claim 7, which is characterized in that the block head includes the second inner cylinder and is formed in
The second outer barrel outside second inner cylinder, is formed with annulus between second outer barrel and second inner cylinder, and described
Multiple segmentation sticks are provided between two inner cylinders and second outer barrel, multiple segmentation sticks divide the annulus
At multiple air inlet ports, the segmentation stick is run through in the smoke evacuation duct.
9. fuel heater as claimed in claim 6, which is characterized in that the Blast mechanism includes blower fan, the drum
The air outlet of wind fan is towards the block head with the air blast into the air inlet port.
10. fuel heater as claimed in claim 2, which is characterized in that the heat exchange mechanisms include being sheathed on described first
Water jacket outside outer barrel and the shell being sheathed on outside the water jacket, so that working medium flows through between the water jacket and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108534135A (en) * | 2018-06-08 | 2018-09-14 | 中山劲牛科技有限公司 | Block head |
| CN111237752A (en) * | 2020-01-19 | 2020-06-05 | 上海洋裕汽车科技有限公司 | Burner for automobile heater |
| CN111520753A (en) * | 2020-03-17 | 2020-08-11 | 西北工业大学 | Bifurcated type micro engine combustion chamber evaporating pipe with turbulence column |
| CN111677614A (en) * | 2019-03-11 | 2020-09-18 | 郑州宇通客车股份有限公司 | Fuel heater inlet air preheating system and vehicle |
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| CN108534135A (en) * | 2018-06-08 | 2018-09-14 | 中山劲牛科技有限公司 | Block head |
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| CN111677614A (en) * | 2019-03-11 | 2020-09-18 | 郑州宇通客车股份有限公司 | Fuel heater inlet air preheating system and vehicle |
| CN111677614B (en) * | 2019-03-11 | 2021-12-21 | 郑州宇通客车股份有限公司 | Fuel heater inlet air preheating system and vehicle |
| CN111237752A (en) * | 2020-01-19 | 2020-06-05 | 上海洋裕汽车科技有限公司 | Burner for automobile heater |
| CN111520753A (en) * | 2020-03-17 | 2020-08-11 | 西北工业大学 | Bifurcated type micro engine combustion chamber evaporating pipe with turbulence column |
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