CN108775580B - A kind of biodiesel, 0# diesel oil mixed combustion system and method - Google Patents
A kind of biodiesel, 0# diesel oil mixed combustion system and method Download PDFInfo
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- CN108775580B CN108775580B CN201810460509.2A CN201810460509A CN108775580B CN 108775580 B CN108775580 B CN 108775580B CN 201810460509 A CN201810460509 A CN 201810460509A CN 108775580 B CN108775580 B CN 108775580B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
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Abstract
The present invention discloses a kind of biodiesel, 0# diesel oil mixed combustion system and method, including biodiesel tank, oil pump I, biodiesel filter, valve I, flow meter I, heater I, 0# diesel fuel tank, oil pump II, 0# diesel fuel filter, valve II, flow meter II, heater II, oxygenerator, air accumulator, valve III, flowmeter III, heater III, centrifugal blower, valve IV, flowmeter IV, heater IV, four-way turbulent burner, furnace body；The system can realize biodiesel, 0# diesel oil co-fire, change the combusted proportion of biodiesel and 0# diesel oil in real time, significantly improve comprehensive utilization of resources level, and biodiesel combustion process is avoided to generate the even flame-out phenomenon of flame instability.
Description
Technical field
The invention belongs to industrial furnace field, it is specifically related to a kind of biodiesel, 0# diesel oil mixed combustion system and side
Method.
Background technique
Currently, it is mostly fossil fuel that industrial furnace is fuel used, as fossil fuel reserves decline, within coming few decades
Will be depleted, and fossil fuel higher cost.Biodiesel is a kind of excellent alternative energy source, and generates gas pair after burning
Environmental pollution is small.
Biodiesel mixing 0# diesel oil or biodiesel burning are the development trends of industrial furnace fuel.By biodiesel and
0# diesel oil, which is mixed in a certain ratio, is passed through burner combustion, and the method cannot adjust the biodiesel and 0# diesel oil of burning in real time
Ratio；Biodiesel is be easy to cause flame-out existing in combustion because its high viscosity, high density cause atomizing effect poor
As combustion zone temperature is lower with respect to 0# diesel oil, is unsatisfactory for certain particular industry kiln temperature requirements.
Application No. is 201410559360.5 patent of invention title " a kind of fuel combination for diesel engine and its
Using " patent of invention, will biodiesel and fossil fuel oil mix after spray into combustion chambers burn, the mixed fuel firing process is not
Biodiesel and 0# diesel combustion ratio can be adjusted in real time.
Application No. is the patent of invention of 201010275806.3 patent of invention title " preheating type biodiesel combustor ",
Burner combustion will be passed through after biodiesel pre-heating temperature elevation, its molecule of biodiesel is larger, viscosity is higher, in the lesser feelings of flow
It will cause flame-out phenomenon under condition, combustion process is unstable.
Summary of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of biodiesel, the mixing combustion of 0# diesel oil
System and method are burnt, the biodiesel, 0# diesel oil mixed combustion system can realize biodiesel, 0# diesel oil co-fire, in real time
Change biodiesel and 0# diesel combustion ratio, significantly improves comprehensive utilization of resources level, biodiesel combustion process is avoided to produce
The even flame-out phenomenon of raw flame instability.
A kind of biodiesel, 0# diesel oil mixed combustion system, including biodiesel tank 1, oil pump I 2, biodiesel filter
3, valve I 4, flow meter I 5, heater I 6,0# diesel fuel tank 7, oil pump II 8,0# diesel fuel filter 9, valve II 10, flow meter II
11, heater II 12, oxygenerator 13, air accumulator 14, valve III 15, flowmeter III 16, heater III 17, centrifugal blower 18, valve
Door IV 19, flowmeter IV 20, heater IV 21, four-way turbulent burner 22, furnace body 23, biodiesel tank 1, oil pump I 2, life
Object diesel fuel filter 3, valve I 4, flow meter I 5, heater I 6 are sequentially connected, 0# diesel fuel tank 7, oil pump II 8,0# diesel fuel filter
9, valve II 10, flow meter II 11, heater II 12 are sequentially connected, oxygenerator 13, air accumulator 14, valve III 15, flowmeter III
16, heater III 17 is sequentially connected, and centrifugal blower 18, valve IV 19, flowmeter IV 20, heater IV 21 are sequentially connected, heating
Device I 6, heater II 12, heater III 17, heater IV 21 are connect with four-way turbulent burner 22 respectively, four-way eddy flow
Burner 22 is arranged inside furnace body 23, and furnace body 23 is provided with exhanst gas outlet；
The four-way turbulent burner 22 includes 0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26, air
Channel 27, igniter 29, cyclone 30, mixing chamber 31,0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26, air
Channel 27, igniter 29, cyclone 30 are arranged inside mixing chamber 31,31 bottom opening of mixing chamber；
The life with four-way turbulent burner 22 respectively of heater I 6, heater II 12, heater III 17, heater IV 21
Object diesel oil channel 26,0# diesel oil channel 24, oxygen-rich channel 25, air duct 27 connect；
0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26,27 1 layers of air duct set, one layer of setting, it is most interior
Layer is 0# diesel oil channel 24, and oxygen-rich channel 25 is equipped with outside 0# diesel oil channel 24, and 25 outside of oxygen-rich channel is logical equipped with biodiesel
Road 26 is equipped with air duct 27 outside biodiesel channel 26, and 24 lower end of 0# diesel oil channel is provided with 0# diesel oil oil outlet 28,0# bavin
Oily 24 bottom of channel is equipped with igniter 29, and biodiesel channel 26,27 lower end of air duct are connected with cyclone 30.
The cyclone 30 is hollow cylinder, and cyclone 30 includes boss 34 and base station 35, and boss 34 is arranged in biological bavin
Between oily channel 26 and air duct 27,3 or more biodiesel oil outlets 32, base station are uniformly arranged on the same circumference of boss 34
35 outer rims are bonded with 31 inner wall of mixing chamber and are arranged on 31 inner wall of mixing chamber, be uniformly arranged on the same circumference of base station 35 3 with
Upper air stream portals 33.
The air tap hole 33 is identical as 32 quantity of biodiesel oil outlet, and is arranged in a one-to-one correspondence.
The central axes extended line of the biodiesel oil outlet 32 intersect with the central axes extended line of air tap hole 33 and
Angle is 21o~27o.
The 0# diesel oil oil outlet 28 on tube wall above 24 lower end of 0# diesel oil channel, igniter 29 is set along pipe range direction
3 column or more are set, are often classified as 3 or more, vertical 26 central axes of biodiesel channel in the central axes of each 0# diesel oil oil outlet 28.
A kind of biodiesel, 0# diesel oil mixed combustion system application method, the specific steps are as follows:
Step 1, biodiesel from biodiesel tank 1 through oil pump I 2, by valve after being filtered by biodiesel filter 3
I 4, flow meter I 5, heater I 6 are delivered to the biodiesel channel 26 of 22 third layer of four-way turbulent burner, and 0# diesel oil is from 0#
It is defeated by valve II 10, flow meter II 11, heater II 12 after being filtered by 0# diesel fuel filter 9 through oil pump II 8 in diesel fuel tank 7
It is sent to the 0# diesel oil channel 24 of 22 innermost layer of four-way turbulent burner；Oxygen-enriched in air accumulator 14 is passed through into heater III simultaneously
17 are connected to the second layer oxygen-rich channel 25 of four-way turbulent burner 22；Air by centrifugal blower IV 18, flowmeter IV 19,
Heater IV 21 is passed through the outermost layer air duct 27 of four-way turbulent burner 22；
Step 2, igniter 29 light the 0# diesel oil come out from 0# diesel oil channel 24 and oxygen-rich channel 25 and oxygen rich air first
The mixture of body, the thermal-flame that 0# diesel combustion generates refire the life come out from biodiesel channel 26 and air duct 27
The mixture of object diesel oil and air completes ignition process.
It is 9:1 ~ 1:9 that the valve I 4 and valve II 10 adjust biodiesel and the flow-rate ratio of 0# diesel oil respectively.
Biodiesel is heated to 70 ~ 80 DEG C by the heater I 6；Heater II 12 is by 0# diesel heating to 40 ~ 60 DEG C；
Oxygen rich gas is heated to 150 ~ 170 DEG C by heater III 15；Air is heated to 100 ~ 130 DEG C by heater IV 21.
Oxygen purity is 21% ~ 55% in oxygen rich gas made from the oxygenerator；Oxygen rich gas provides the combustion of 0# diesel oil
20% ~ 40% amount of oxygen needed for whole amount of oxygen and biodiesel burning needed for burning.
Principle: on the one hand 0# diesel oil atomization that the oxygen rich gas in second layer oxygen-rich channel 25 flows out oil outlet 28, separately
It on the one hand is that 0# diesel combustion, biodiesel burn and provide combustion-supporting material, the mixture of 0# diesel oil and oxygen rich gas is installed in
Igniter 29 at 0# diesel oil channel outlet 24 is lighted, while the air and third layer biology bavin that outermost layer air duct 27 flows out
The biodiesel that oily channel 26 is flowed out generates the biology that multi beam flows to 22 central axes of four-way turbulent burner by cyclone 30
The 0# diesel oil that the mixture of the mixture of diesel oil and air, these biodiesel and air has been burnt is lighted, and biology is completed
Diesel combustion ignition process.
The invention has the benefit that
1, the system avoids biodiesel combustion process from generating the even flame-out phenomenon of flame instability.
2, the system can adjust the biodiesel and 0# diesel fuel ratio of burning in real time, and then adjust flame temperature, reply combustion
It is more flexible to burn operating condition variation.
Detailed description of the invention
Fig. 1 is the system structure diagram of the embodiment of the present invention 1；
Fig. 2 is the four-way turbulent burner structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the four-way turbulent burner structural schematic diagram (angle signal) of the embodiment of the present invention 1；
Fig. 4 is the four-way turbulent burner bottom view of the embodiment of the present invention 1；
Fig. 5 is the four-way turbulent burner structural schematic diagram (not including cyclone) of the embodiment of the present invention 1；
Fig. 6 is the cyclone cross-sectional view of the embodiment of the present invention 1；
Fig. 7 is the hydrocyclone structure schematic diagram of the embodiment of the present invention 1；
In figure: 1- biodiesel tank, 2- oil pump I, 3- biodiesel filter, 4- valve I, 5- flow meter I, 6- heater
I, 7-0# diesel fuel tank, 8- oil pump II, 9-0# diesel fuel filter, 10- valve II, 11- flow meter II, 12- heater II, 13- system
Oxygen machine, 14- air accumulator, 15- valve III, 16- flowmeter III, 17- heater III, 18- centrifugal blower, 19- valve IV, 20- stream
Meter IV, 21- heater IV, 22- four-way turbulent burner, 23- furnace body, 24-0# diesel oil channel, 25- oxygen-rich channel, 26-
Biodiesel channel, 27- air duct, 28-0# diesel oil oil outlet, 29- igniter, 30- cyclone, 31- mixing chamber, 32- are raw
Object diesel oil oil outlet, 33- air tap hole, 34- boss, 35- base station.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
A kind of biodiesel, 0# diesel oil mixed combustion system, as shown in Fig. 1,2,3,4,5,6,7, including biodiesel tank
1, oil pump I 2, biodiesel filter 3, valve I 4, flow meter I 5, heater I 6,0# diesel fuel tank 7, oil pump II 8,0# diesel oil mistake
Filter 9, flow meter II 11, heater II 12, oxygenerator 13, air accumulator 14, valve III 15, flowmeter III 16, adds valve II 10
Hot device III 17, centrifugal blower 18, valve IV 19, flowmeter IV 20, heater IV 21, four-way turbulent burner 22, furnace body 23；
Biodiesel tank 1, oil pump I 2, biodiesel filter 3, valve I 4, flow meter I 5, heater I 6 are sequentially connected,
0# diesel fuel tank 7, oil pump II 8,0# diesel fuel filter 9, valve II 10, flow meter II 11, heater II 12 are sequentially connected, oxygenerator
13, air accumulator 14, valve III 15, flowmeter III 16, heater III 17 are sequentially connected, centrifugal blower 18, valve IV 19, flowmeter
IV 20, heater IV 21 is sequentially connected, heater I 6, heater II 12, heater III 17, heater IV 21 respectively with four-way
Turbulent burner 22 connects, and four-way turbulent burner 22 is arranged inside furnace body 23, and furnace body 23 is provided with exhanst gas outlet, is used for cigarette
Air-flow goes out；
Four-way turbulent burner 22 includes 0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26, air duct
27, igniter 29, cyclone 30, mixing chamber 31,0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26, air duct
27, igniter 29, cyclone 30 are arranged inside mixing chamber 31,31 bottom opening of mixing chamber, mixing chamber 31 and 0# diesel oil channel
24, oxygen-rich channel 25, biodiesel channel 26, air duct 27 are using threaded connection；
Heater I 6 is connected with the biodiesel channel 26 of four-way turbulent burner 22, and heater II 12 and four-way revolve
The 0# diesel oil channel 24 for flowing burner 22 is connected, and heater III 17 is connected with the oxygen-rich channel 25 of four-way turbulent burner 22,
Heater IV 21 is connected with the air duct 27 of four-way turbulent burner 22.
0# diesel oil channel 24, oxygen-rich channel 25, biodiesel channel 26,27 1 layers of air duct set, one layer of setting, it is most interior
Layer is 0# diesel oil channel 24, and second layer oxygen-rich channel 25 is equipped with outside 0# diesel oil channel 24, is equipped with third outside oxygen-rich channel 25
Layer biodiesel channel 26 is equipped with the 4th layer of air duct 27 outside biodiesel channel 26, and 24 lower end of 0# diesel oil channel is provided with
0# diesel oil oil outlet 28,0# diesel oil oil outlet 28 are uniformly vertically provided under 0# diesel oil channel 24 along 4 column of pipe range direction setting
End above igniter 29, is often classified as and sets 3, vertical 26 central axes of biodiesel channel in the central axes of each oil outlet 28,0# bavin
Oily 24 bottom of channel is equipped with igniter 29, and biodiesel channel 26,27 lower end of air duct are connected with cyclone 30, and cyclone 30 is
Hollow cylinder, cyclone 30 include boss 34 and base station 35, and boss 34 is arranged in biodiesel channel 26 and air duct 27
Between, 4 biodiesel oil outlets 32 are uniformly arranged on boss 34,35 outer rim of base station is bonded and is placed on 31 inner wall of mixing chamber
On 4 screws being uniformly arranged on 31 inner wall of mixing chamber, 4 air tap holes 33, air tap hole are uniformly arranged on base station 35
33 is identical as 32 quantity of biodiesel oil outlet, and is arranged in a one-to-one correspondence, the central axes extended line of biodiesel oil outlet 32 with
The central axes extended line of air tap hole 33 intersects and angle is 21o.
A kind of biodiesel, 0# diesel oil mixed combustion system application method, the specific steps are as follows:
Step 1, biodiesel from biodiesel tank 1 through oil pump I 2, by valve after being filtered by biodiesel filter 3
I 4, flow meter I 5, heater I 6 are delivered to the biodiesel channel 26 of 22 third layer of four-way turbulent burner, and 0# diesel oil is from 0#
It is defeated by valve II 10, flow meter II 11, heater II 12 after being filtered by 0# diesel fuel filter 9 through oil pump II 8 in diesel fuel tank 7
Be sent to the 0# diesel oil channel 24 of 22 innermost layer of four-way turbulent burner, by valve I 4 and valve II 10 adjust biodiesel and
0# diesel oil flow-rate ratio is 9:1；The oxygen rich gas in air accumulator 14 is passed sequentially through into valve III 15, flowmeter III 16, heating simultaneously
Device III 17 is connected to the second layer oxygen-rich channel 25 of four-way turbulent burner 22, and oxygen fraction is 21% in oxygen rich gas, remaining
For nitrogen, 20% amount of oxygen needed for whole amount of oxygen needed for oxygen rich gas provides 0# diesel combustion and biodiesel burning；It is empty
Gas is passed through the outermost of four-way turbulent burner 22 by centrifugal blower IV 18, valve IV 19, flowmeter IV 20, heater IV 21
It is 4:9 that layer air duct 27, valve III 15 and valve IV 19, which control oxygen rich gas and air mass flow ratio, will be given birth to by heater I 6
Object diesel heating is to 70 DEG C；By heater II 12 by 0# diesel heating to 40 DEG C；Oxygen rich gas is added by heater III 15
Heat is to 150 DEG C；Air is heated to 100 DEG C by heater IV 21；
Step 2, igniter 29 light the 0# diesel oil come out from 0# diesel oil channel 24 and oxygen-rich channel 25 and oxygen rich air first
The mixture of body, the thermal-flame that 0# diesel combustion generates refire the life come out from biodiesel channel 26 and air duct 27
The mixture of object diesel oil and air, completes ignition process, and flue gas comes out from exhanst gas outlet.
Embodiment 2
A kind of biodiesel, 0# diesel oil mixed combustion system, structure member and the difference of embodiment 1 are: 0# diesel oil
3 are opened up on 24 exit tube wall of channel and lists oilhole 28, and each column opens up 4 oil outlets 28；Cyclone 30 includes boss 34 and base
Platform 35, boss 34 are arranged between biodiesel channel 26 and air duct 27,3 biodiesel are uniformly arranged on boss 34 and are gone out
Oilhole 32,35 outer rim of base station are bonded and are placed on the cushion cap being uniformly arranged on 31 inner wall of mixing chamber, base with 31 inner wall of mixing chamber
3 air tap holes 33, central axes extended line and the air tap hole 33 of biodiesel oil outlet 32 are uniformly arranged on platform 35
Central axes extended line intersects and angle is 27o, other are same as Example 1.
A kind of biodiesel, 0# diesel oil mixed combustion system application method, the specific steps are as follows:
Step 1, biodiesel from biodiesel tank 1 through oil pump I 2, by valve after being filtered by biodiesel filter 3
I 4, flow meter I 5, heater I 6 are delivered to the biodiesel channel 26 of 22 third layer of four-way turbulent burner, and 0# diesel oil is from 0#
It is defeated by valve II 10, flow meter II 11, heater II 12 after being filtered by 0# diesel fuel filter 9 through oil pump II 8 in diesel fuel tank 7
Be sent to the 0# diesel oil channel 24 of 22 innermost layer of four-way turbulent burner, by valve I 4 and valve II 10 adjust biodiesel and
0# diesel oil flow-rate ratio is 1:9；The oxygen rich gas in air accumulator 14 is passed sequentially through into valve III 15, flowmeter III 16, heating simultaneously
Device III 17 is connected to the second layer oxygen-rich channel 25 of four-way turbulent burner 22, and oxygen fraction is 55% in oxygen rich gas, remaining
For nitrogen, 40% amount of oxygen needed for whole amount of oxygen needed for oxygen rich gas provides 0# diesel combustion and biodiesel burning；It is empty
Gas is passed through the outermost of four-way turbulent burner 22 by centrifugal blower IV 18, valve IV 19, flowmeter IV 20, heater IV 21
It is 6:1 that layer air duct 27, valve III 15 and valve IV 19, which control oxygen rich gas and air mass flow ratio, will be given birth to by heater I 6
Object diesel heating is to 80 DEG C；By heater II 12 by 0# diesel heating to 60 DEG C；Oxygen rich gas is added by heater III 15
Heat is to 170 DEG C；Air is heated to 130 DEG C by heater IV 21；
Step 2, igniter 29 light the 0# diesel oil come out from 0# diesel oil channel 24 and oxygen-rich channel 25 and oxygen rich air first
The mixture of body, the thermal-flame that 0# diesel combustion generates refire the life come out from biodiesel channel 26 and air duct 27
The mixture of object diesel oil and air, completes ignition process, and flue gas comes out from exhanst gas outlet.
Embodiment 3
A kind of biodiesel, 0# diesel oil mixed combustion system, structure member and the difference of embodiment 1 are: 0# diesel oil
4 are opened up on 24 exit tube wall of channel and lists oilhole 28, and each column opens up 5 oil outlets 28；Cyclone 30 includes boss 34 and base
Platform 35, boss 34 are arranged between biodiesel channel 26 and air duct 27,5 biodiesel are uniformly arranged on boss 34 and are gone out
Oilhole 32,35 outer rim of base station, which is bonded and is adhesively fixed with 31 inner wall of mixing chamber, to be arranged on 31 inner wall of mixing chamber, on base station 35
5 air tap holes 33 of even setting, the central axes extended line of biodiesel oil outlet 32 and the central axes of air tap hole 33 are prolonged
Long line intersects and angle is 25o, other are same as Example 1.
A kind of biodiesel, 0# diesel oil mixed combustion system application method, the specific steps are as follows:
Step 1, biodiesel from biodiesel tank 1 through oil pump I 2, by valve after being filtered by biodiesel filter 3
I 4, flow meter I 5, heater I 6 are delivered to the biodiesel channel 26 of 22 third layer of four-way turbulent burner, and 0# diesel oil is from 0#
It is defeated by valve II 10, flow meter II 11, heater II 12 after being filtered by 0# diesel fuel filter 9 through oil pump II 8 in diesel fuel tank 7
Be sent to the 0# diesel oil channel 24 of 22 innermost layer of four-way turbulent burner, by valve I 4 and valve II 10 adjust biodiesel and
0# diesel oil flow-rate ratio is 5:5；The oxygen rich gas in air accumulator 14 is passed sequentially through into valve III 15, flowmeter III 16, heating simultaneously
Device III 17 is connected to the second layer oxygen-rich channel 25 of four-way turbulent burner 22, and oxygen fraction is 40% in oxygen rich gas, remaining
For nitrogen, 30% amount of oxygen needed for whole amount of oxygen needed for oxygen rich gas provides 0# diesel combustion and biodiesel burning；It is empty
Gas is passed through the outermost of four-way turbulent burner 22 by centrifugal blower IV 18, valve IV 19, flowmeter IV 20, heater IV 21
It is 4:5 that layer air duct 27, valve III 15 and valve IV 19, which control oxygen rich gas and air mass flow ratio, will be given birth to by heater I 6
Object diesel heating is to 75 DEG C；By heater II 12 by 0# diesel heating to 50 DEG C；Oxygen rich gas is added by heater III 15
Heat is to 160 DEG C；Air is heated to 120 DEG C by heater IV 21；
Step 2, igniter 29 light the 0# diesel oil come out from 0# diesel oil channel 24 and oxygen-rich channel 25 and oxygen rich air first
The mixture of body, the thermal-flame that 0# diesel combustion generates refire the life come out from biodiesel channel 26 and air duct 27
The mixture of object diesel oil and air, completes ignition process, and flue gas comes out from exhanst gas outlet.
In conjunction with attached drawing, the embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (9)
1. a kind of biodiesel, 0# diesel oil mixed combustion system, which is characterized in that including biodiesel tank, oil pump I, biological bavin
Oil strainer, valve I, flow meter I, heater I, 0# diesel fuel tank, oil pump II, 0# diesel fuel filter, valve II, flow meter II,
Heater II, oxygenerator, air accumulator, valve III, flowmeter III, heater III, centrifugal blower, valve IV, flowmeter IV, heating
Device IV, four-way turbulent burner, furnace body, biodiesel tank, oil pump I, biodiesel filter, valve I, flow meter I, heating
Device I is sequentially connected, and 0# diesel fuel tank, oil pump II, 0# diesel fuel filter, valve II, flow meter II, heater II are sequentially connected, system
Oxygen machine, air accumulator, valve III, flowmeter III, heater III are sequentially connected, centrifugal blower, valve IV, flowmeter IV, heater
IV is sequentially connected, and heater I, heater II, heater III, heater IV are connect with four-way turbulent burner respectively, four-way
Road turbulent burner is arranged in furnace interior, and furnace body is provided with exhanst gas outlet；
The four-way turbulent burner include 0# diesel oil channel, oxygen-rich channel, biodiesel channel, air duct, igniter,
Cyclone, mixing chamber, 0# diesel oil channel, oxygen-rich channel, biodiesel channel, air duct, igniter, cyclone setting are mixed
Close chamber interior, mixing chamber bottom opening；
Heater I, heater II, heater III, heater IV respectively with the biodiesel channel of four-way turbulent burner, 0#
Diesel oil channel, oxygen-rich channel, air duct connection；
0# diesel oil channel, oxygen-rich channel, biodiesel channel, one layer of air duct set, one layer of setting, innermost layer are logical for 0# diesel oil
Road, 0# diesel oil channel outside are equipped with oxygen-rich channel, are equipped with biodiesel channel outside oxygen-rich channel, biodiesel is set outside channel
There is air duct, 0# diesel oil channel lower end is provided with 0# diesel oil oil outlet, and 0# diesel oil the bottom of the channel is equipped with igniter, and biodiesel is logical
Road, air duct lower end are connected with cyclone.
2. biodiesel, 0# diesel oil mixed combustion system according to claim 1, which is characterized in that the cyclone is sky
Heart cylinder, cyclone include boss and base station, and boss is arranged between biodiesel channel and air duct, the same circumference of boss
On be uniformly arranged 3 or more biodiesel oil outlets, base station outer rim be bonded and is arranged in mixing chamber interior walls and mixes in chamber interior walls,
3 or more air tap holes are uniformly arranged on the same circumference of base station.
3. biodiesel, 0# diesel oil mixed combustion system according to claim 2, which is characterized in that the air tap hole
It is identical as the fuel-displaced hole number of biodiesel.
4. biodiesel, 0# diesel oil mixed combustion system according to claim 2, which is characterized in that the biodiesel goes out
The central axes extended line of oilhole intersects with the central axes extended line of air tap hole and angle is 21o~27o.
5. biodiesel, 0# diesel oil mixed combustion system according to claim 1, which is characterized in that 0# diesel oil channel
0# diesel oil oil outlet on the tube wall of lower end is 3 column or more, is often classified as 3 or more, the central axes of each 0# diesel oil oil outlet are vertical
Biodiesel channel central axes.
6. a kind of biodiesel, 0# diesel oil mixed combustion method, which is characterized in that specific step is as follows:
Step 1, biodiesel from biodiesel tank through oil pump I, by valve I, flow after being filtered by biodiesel filter
Meter I, heater I are delivered to the biodiesel channel of four-way turbulent burner, and 0# diesel oil is from 0# diesel fuel tank through oil pump II, quilt
The 0# diesel oil of four-way turbulent burner is transported to after the filtering of 0# diesel fuel filter by valve II, flow meter II, heater II
Channel；The oxygen rich gas in air accumulator, which is passed sequentially through valve III, flowmeter III, heater III, is connected to four-way eddy flow simultaneously
The oxygen-rich channel of burner；Air passes sequentially through centrifugal blower IV, valve IV, flowmeter IV, heater IV and is passed through four-way rotation
Flow the air duct of burner；
Step 2, igniter light the mixture of the 0# diesel oil and oxygen rich gas that come out from 0# diesel oil channel and oxygen-rich channel first,
The thermal-flame that 0# diesel combustion generates refires the biodiesel and air come out from biodiesel channel and air duct
Mixture completes ignition process.
7. biodiesel, 0# diesel oil mixed combustion method according to claim 6, which is characterized in that the biodiesel and
The flow-rate ratio of 0# diesel oil is 9:1 ~ 1:9.
8. biodiesel, 0# diesel oil mixed combustion method according to claim 6, which is characterized in that the heater I will give birth to
Object diesel heating is to 70 ~ 80 DEG C；Heater II is by 0# diesel heating to 40 ~ 60 DEG C；Oxygen rich gas is heated to 150 by heater III
~170℃；Air is heated to 100 ~ 130 DEG C by heater IV.
9. biodiesel, 0# diesel oil mixed combustion method according to claim 6, which is characterized in that in the oxygen rich gas
Oxygen purity is 21% ~ 55%.
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| US20100175386A1 (en) * | 2009-01-09 | 2010-07-15 | General Electric Company | Premixed partial oxidation syngas generation and gas turbine system |
| CN101922709B (en) * | 2010-09-08 | 2012-02-15 | 中南大学 | Preheating type biodiesel combustor |
| CN104312644B (en) * | 2014-10-20 | 2016-01-13 | 清华大学 | A kind of propellant combination for diesel motor and application thereof |
| CN206094067U (en) * | 2016-08-03 | 2017-04-12 | 深圳市百特思热能科技有限公司 | Biofuel oil burner |
| CN107620957B (en) * | 2017-08-30 | 2019-07-05 | 昆明理工大学 | A kind of industrial furnace high-efficient atomizing combustion system and its method |
| CN207196484U (en) * | 2017-09-11 | 2018-04-06 | 昆明理工大学 | A kind of high viscosity bio-fuel-oil high-pressure combustion eddy flow spray gun |
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2018
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