CN103712203A - Biological oil combustion system - Google Patents
Biological oil combustion system Download PDFInfo
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- CN103712203A CN103712203A CN201410005792.1A CN201410005792A CN103712203A CN 103712203 A CN103712203 A CN 103712203A CN 201410005792 A CN201410005792 A CN 201410005792A CN 103712203 A CN103712203 A CN 103712203A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 239000012075 bio-oil Substances 0.000 claims description 55
- 239000003921 oil Substances 0.000 claims description 50
- 238000003860 storage Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 12
- 239000003517 fume Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000004868 gas analysis Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 10
- 239000000295 fuel oil Substances 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002803 fossil fuel Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The invention discloses a biological oil combustion system which comprises three parts, namely an oil supply part, a combustion part and a smoke gas emission part. The biological oil combustion system adopts the operating principle that biological oil is supplied to the combustion system by virtue of stable oil pressure generated through the self gravity of the elevated biological oil; air for combustion is supplied to a combustion chamber by virtue of the entrainment action of a combustion opening and the suction action of a chimney; heat released through the combustion of the biological oil is absorbed by water outside the wall surface of the combustion chamber and then high-temperature hot water and water vapor are generated; the suction force of the chimney is regulated through smoke gas analysis so as to control the excess air coefficient during combustion, so that the combustion of the biological oil is reasonable. When the biological oil is combusted in the combustion system, the temperature inside the combustion chamber can achieve 1300 DEG C, and more than 80% of heat released through combustion is used for generating high-temperature water vapor. The biological oil combustion system disclosed by the invention can realize the continuous and stable combustion of the biological oil and has the advantages of simple structure, convenience for use, high applicability, standard smoke gas emission and long service life.
Description
Technical field
Patent of the present invention relates to a kind of bio oil combustion system, belongs to field of renewable energy technology.
Background technology
Biomass pyrolysis oil (hereinafter to be referred as bio oil) refers under the condition of middle temperature (450～550 ℃), anoxic, by the rapid heating pyrolyze of the biological particles such as agriculture and forestry organic waste material, more a kind of brownish black liquid obtaining after condensation rapidly.Bio oil energy density is large, is easy to transportation and storage, has renewable, CO
2" zero-emission ", sulfur content are low, efficiency of combustion advantages of higher, have had economically certain competitiveness.
Biological oil properties is complicated, has larger difference with conventional liq fossil fuel, is difficult to be applied directly in existing combustion system: bio oil calorific value, far below fossil fuel, if will obtain identical heat, needs larger bio oil mass flow; Bio oil contains 20～30% water, causes its ignition difficulties, and the delay time that catches fire is longer, often needs burner hearth to reach higher temperature so that the burning of drop rapid evaporation; In bio oil, contain the multiple organic acids such as formic acid, acetic acid, pH value approximately 3～4, has corrosion resistant requirement to the making material of oil storage tank, pipeline road, valve, oil pump, nozzle etc.
Different research institutions directly burn and carry out a large amount of tests bio oil boiler, Freel B A(Freel B A, et al.Commercial aspects of rapid thermal processing (RTP) [J] .Fuel and Energy Abstracts, 1997, 38 (1): 36-41.) with Oasmaa A(Oasmaa A, et al.Pyrolysis oil combustion tests in an industrial boiler[M] .Oxford:Blackwell Science, 2001, 1468-1481.) utilize the combustibility of bio oil prepared by combustion furnace research different material and technique, find that bio oil is difficult to light under without booster flame condition, by auxiliary burning things which may cause a fire disaster, light after-combustion unstable, particulate matter discharge is higher, other pollutant emissions are all lower than heavy oil, illustrate that bio oil is easily coking, if size of burner hearth is too short, coke incomplete combustion
Still there is no in the market the burner for the feature design of bio oil, restricted the burn application of bio oil substitute fossil fuels, therefore need to develop a set of efficient, long-life combustion equipment for bio oil.
Summary of the invention
The object of the invention is to, for the fuel characteristic of bio oil own, provides a kind of bio oil combustion system.Take into full account bio oil high to the mechanical erosion in oil pump, and can not pass through the feature of the long-time sample introduction of oil pump, in system, avoided the use of oil pump, utilize producing and stablizing oil pressure to combustion system fuel feeding from gravity after bio oil frame height, to realize its efficient, smooth combustion, and the method for operating of the biological oil combustion device of Erecting and improving.
Technical solution problem of the present invention adopts following technical scheme:
Bio oil combustion system, its design feature is: described combustion system is comprised of fuel feeding portion, burning portion, three parts of fume emission portion.
Design feature of the present invention is also:
Described fuel feeding portion is comprised of oil storage tank, valve and oil pipeline; The vertical range of the jet hole that described oil storage tank arranges from burning portion is no less than 10m.
Described burning portion comprises combustion chamber and is set in the coaxial water tank outside combustion chamber; Described combustion chamber is provided with entry of combustion chamber, exhanst gas outlet, and described entry of combustion chamber place is provided with the atomizer being connected with oil pipeline; Described exhanst gas outlet is communicated with fume emission portion; Described water tank is provided with water inlet and steam outlet and water liquid level monitoring window; The number of described steam outlet is a plurality of.
Described fume emission portion is comprised of chimney opening controller, chimney, smoke sampling mouth and the thermocouple that is located at chimney entrance.
During the metal parts designs such as described oil storage tank, atomizer, all adopt resistant material manufacture, for example stainless steel, guarantees stablizing and the life-span of combustion system.Oil pipeline adopts soft, resistant material manufacture, for example metal hose.Water tank and combustion chamber are concentric cylindrical sleeve pipe, and interface and tank outer wall adopt corrosion-resistant, resistant to elevated temperatures material manufacture, for example stainless steel.Water liquid level monitoring window 11 is set in the outer wall of water tank, adopts transparent material manufacture, and quartz glass for example, for the height of monitoring water tank liquid level.
Described chimney opening controller comprises the rotatable disk being arranged in chimney, described disk diameter is consistent with chimney interior diameter, and when disk is parallel to chimney central shaft, chimney suction force is the strongest, and when disk is during perpendicular to chimney central shaft, gas can not flow out from chimney.By regulating the angle of disk and chimney central shaft to carry out excess air coefficient in control combustion device, thereby control the combustion efficiency of bio oil.
The disk of described chimney opening controller and chimney are made by high temperature resistant and corrosion-resistant material, for example stainless steel.
Described thermocouple is a plurality of; Detect in real time the temperature in burner hearth, the temperature data obtaining according to detection, utilizes the quantity combusted of valve regulated bio oil, realizes the control to chamber temperature.Its distributing position is not limited to the position on Fig. 1.
Described atomizer atomized drop average grain diameter is less than 50 μ m.
The present invention is in order to guarantee the oil pressure at nozzle place, and oil storage tank is no less than 10m from the vertical range of jet hole, can continue the oil pressure that provides stable.In order to prevent the generation of oil pipeline 3 cloggings, the caliber of oil pipeline is not less than 40mm.The flow of bio oil can be by oil pipeline the adjustable valve valve of upper and lower side regulate.
Burning of the present invention portion adopts atomizer to carry out atomization to bio oil, apart from the atomized drop average grain diameter at atomizer 0.2m place, is less than 50 μ m.The high-temperature gas producing by burning, to heating water tanks, produces high-temperature-hot-water and water vapour.
Fume emission of the present invention portion is by the excess air coefficient in chimney opening controller control combustion chamber, and in conjunction with the result of flue gas analysis, realizes bio oil stable burning and smoke discharge amount in combustion chamber up to standard.
The atomizing principles of atomizer of the present invention is that fuel oil obtains rotary speed after by spin chamber under normal pressure, leave after nozzle, because film is extended into rapidly in the effect of centrifugal force, film is in low speed or static air high speed motion, be subject to shear action and the disturbance of air, be atomized into very soon thinner drop.Compare with air atomizer spray nozzle, the use that adopts this atomizer can save air pump, simplified the structure of combustion system, and its atomizing effect does not affect the burning of bio oil.
The present invention's required air that burns is that the effect of entrainmenting and the swabbing action of chimney by unlimited entry of combustion chamber provides, and both all do not need extra consumes energy, thereby have reduced energy consumption, and the oxygen-supplying amount of chimney can regulate by chimney opening controller.In addition, because combustion system does not have extra air supply system, the gas flow rate in combustion chamber is lower, thereby has increased the holdup time of gas, has extended heat-exchange time, has increased the efficiency of utilization of system.
Water tank can cover combustion chamber completely, and liquid level can not too highly cause the water in water when boiling water tank to overflow water tank.By the height of liquid level in monitoring water tank, regulate the size of the cooling water flow at water inlet place, the heat utilization efficiency that realizes combustion chamber maximizes, and the combustion heat utilization rate of this combustion system is reached more than 80%.
In sum, that combustion system of the present invention has is simple in structure, working stability, highly versatile and heat utilization efficiency high, it is a kind of burner of really accomplishing energy-saving and environmental protection, low-carbon (LC), make bio oil can extensively substitute traditional fossil fuel energyization application, significant to the development of biomass pyrolytic technology.
Accompanying drawing explanation
Fig. 1 is bio oil spray burning system architecture schematic diagram of the present invention.
In figure: 1. oil storage tank 2. valve 3. oil pipeline 4. atomizer 5. entry of combustion chamber 6. combustion chamber 7. thermocouple 8. water inlet 9. water tank 10. steam outlet 11. water liquid level monitoring window 12. chimney opening controller 13. chimney 14. smoke sampling mouths
Fig. 2 is atomizer 1 sketch.
Fig. 2 A is the A-A cutaway view of Fig. 2.
In figure: 21. nozzle entrance 22. spin chamber's 23. nozzle wall 24. jet expansions
Fig. 3 is atomizer 2 sketches.
Fig. 3 A is the A-A cutaway view of Fig. 3.
In figure: 31. nozzle entrance 32. spin chamber's 33. nozzle wall 34. jet expansion 35. spinning disk 36. inclined holes
Fig. 4 chimney opening controller sketch.
Fig. 4 A is that the A of Fig. 4 is to view.
In figure: 41. chimney outer wall 42. Control Shaft 43. disks (43-1～43-4 is the diverse location of disk in chimney)
The specific embodiment
As shown in the figure, bio oil combustion system is comprised of fuel feeding portion, burning portion, three parts of fume emission portion.
Fuel feeding portion is comprised of oil storage tank 1, valve 2 and oil pipeline 3; The caliber of oil pipeline 3 is greater than 40mm; Valve 2 is adjustable valve, and number is two, is located at respectively the upper and lower side of oil pipeline; The vertical range of the jet hole that oil storage tank 1 arranges from burning portion is no less than 10m.
Burning portion comprises combustion chamber 6 and is set in the coaxial water tank 9 outside combustion chamber 6; Combustion chamber 6 is provided with entry of combustion chamber 5, exhanst gas outlet, and entry of combustion chamber 5 places are provided with the atomizer 4 being connected with oil pipeline 3; Exhanst gas outlet is communicated with fume emission portion; Water tank 9 is provided with water inlet 8, steam outlet 10 and water liquid level monitoring window 11.
Fume emission portion is comprised of chimney opening controller 12, chimney 13, smoke sampling mouth 14 and a plurality of thermocouples 7 of being located at chimney entrance.Chimney opening controller 12 comprises the rotatable Control Shaft 42 being arranged in chimney outer wall 41 and is connected to the disk 43 on Control Shaft, disk diameter is consistent with chimney interior diameter, when disk is parallel to chimney central shaft, chimney suction force is the strongest, and when disk is during perpendicular to chimney central shaft, gas can not flow out from chimney.
Atomizer can adopt the existing atomizer of spin chamber or the atomizer of other version of being provided with, and makes the bio oil drop of atomization be less than 50 μ m apart from atomizer 0.2m place average grain diameter by atomizer.Atomizer shown in Fig. 2 comprises nozzle entrance 21, spin chamber 22, nozzle wall 23, the structures such as jet expansion 24, atomizer shown in Fig. 3 comprises nozzle entrance 31, spin chamber 32, nozzle wall 33, . jet expansion 34, spinning disk 35, the structures such as inclined hole 36, Fig. 2, atomizer atomizing principles shown in Fig. 3 is consistent, be fuel oil and obtain rotary speed after by spin chamber under normal pressure, leave after nozzle, because film is extended into rapidly in the effect of centrifugal force, film is in low speed or static air high speed motion, be subject to shear action and the disturbance of air, be atomized into very soon thinner drop.Both difference are that the nozzle in Fig. 2 is to utilize the tangential angle of nozzle entrance and spin chamber's central shaft to obtain the rotary speed of bio oil in spin chamber.Nozzle in Fig. 3 is to realize bio oil rotational flow in spin chamber by the inclined hole on spinning disk.
During the metal parts designs such as above-mentioned oil storage tank, atomizer, all adopt resistant material manufacture, for example stainless steel, guarantees stablizing and the life-span of combustion system.Oil pipeline adopts soft, resistant material manufacture, for example metal hose.Water tank and combustion chamber are concentric cylindrical sleeve pipe, and interface and tank outer wall adopt corrosion-resistant, resistant to elevated temperatures material manufacture, for example stainless steel.Water liquid level monitoring window 11 is set in the outer wall of water tank, adopts transparent material manufacture, and quartz glass for example, for the height of monitoring water tank liquid level.The disk of chimney opening controller and chimney are made by high temperature resistant and corrosion-resistant material, for example stainless steel.
The technological process of combustion system of the present invention is:
1. the sealing of prefiring checkout pipeline and smoothness, check whether each point for measuring temperature normally works, and checks that whether nozzle is clean, and chimney opening controller 12 reaches maximum, fills the water of certain volume in water tank 9, and records liquid level position now.
2. igniting is used the mode of additional burning things which may cause a fire disaster to carry out, and puts into combustible and light in combustion chamber.Through a few minutes, chamber temperature reaches 200 ℃, opens valve 2, bio oil flows out from the high oil storage tank 1 of frame by Action of Gravity Field, enters in atomizer 4, and spray from spray orifice through oil pipeline 3, the shear action that bio oil is subject to air forms mist bundle, and lights smoothly in combustion chamber 6.
3., after bio oil is lighted, measure CO, NO in flue gas
xand SO
2content, and regulate chimney opening controller 12, make CO, NO
xand SO
2content all in 100ppm, and make bio oil stable burning in combustion chamber 6.
4. when steam outlet 10 places have water vapour to emerge, cooling water enters from water inlet 8, by regulating the size of cooling water flow to guarantee that in water tank, liquid level position keeps substantially constant.
5. when burning finishes, valve-off, for prevent bio oil after burning in the coking of nozzle place, nozzle need to be removed, after nozzle temperature is down to normal temperature, with industrial alcohol, clean.
Below by embodiment, the present invention will be further described, but these embodiment do not limit the scope of the invention.
The bio oil that the present invention uses is from China Science & Technology University Anhui Province biomass clean energy key lab, and the rice husk of take is prepared through fast pyrogenation as raw material, and bio oil moisture content is 27.75%, and kinematic viscosity is 2.09mm
2/ s, the combustion heat is 17.35MJ/kg.But technical scheme of the present invention is also applied to the living beings such as cornstalk, wood chip through the resulting bio oil of fast pyrogenation.
Embodiment 1
1. oil storage tank 1 is 10m from nozzle vertical range, and the caliber of oil pipeline is 60mm, and chimney opening controller 12 reaches maximum, fills the water of approximately 4/5 volume in water tank 9, and records liquid level.The sealing and the smoothness that check pipeline, check whether each point for measuring temperature normally works, and checks that whether nozzle is clean.
2. igniting is used the mode of additional burning things which may cause a fire disaster to carry out, and puts into combustible and light in combustion chamber.Through a few minutes, chamber temperature reaches 200 ℃.Valve 2 is opened, and bio oil flows out from the high oil storage tank 1 of frame by Action of Gravity Field, through oil pipeline 3, enters in atomizer 4.Control valve 2 is 200kg/h by the flow set of bio oil.Fuel oil sprays from spray orifice, and the shear action that bio oil is subject to air forms mist bundle, and lights smoothly in combustion chamber 6.
3., after bio oil is lighted, measure middle CO, the NO of flue gas
xand SO
2content, and regulate chimney opening controller 12, make CO, NO
xand SO
2content all in 100ppm, and make bio oil stable burning in combustion chamber 6, now the temperature at center, combustion chamber is about 1250 ℃.
4. when steam outlet 10 places have water vapour to emerge, temperature is that the cooling water of 25 ℃ enters from water inlet 8 with the flow of 11.1kg/h, and now in water tank, the height of liquid level remains unchanged substantially.Combustion heat utilization rate is now not less than 82%.
Embodiment 2
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
The size of control valve 2, is 150kg/h by the flow set of fuel oil, and now the flow of cooling water is 8.3kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1200 ℃, and combustion heat utilization rate is not less than 82%.
Embodiment 3
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
The size of control valve 2, is 100kg/h by the flow set of fuel oil, and now the flow of cooling water is 5.5kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1150 ℃, and combustion heat utilization rate is not less than 81%.
Embodiment 4
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
Oil storage tank is 15m from the vertical range of nozzle, and the size of control valve 2 is 250kg/h by the flow set of fuel oil, and now the flow of cooling water is 14.7kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1300 ℃, and combustion heat utilization rate is not less than 87%.
Embodiment 5
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
Oil storage tank is 15m from the vertical range of nozzle, and the size of control valve 2 is 200kg/h by the flow set of fuel oil, and now the flow of cooling water is 11.4kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1250 ℃, and combustion heat utilization rate is not less than 84%.
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
The caliber of oil pipeline is 40mm, and the size of control valve 2 is 200kg/h by the flow set of fuel oil, and now the flow of cooling water is 10.8kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1200 ℃, and combustion heat utilization rate is not less than 80%.
Embodiment 7
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
The caliber of oil pipeline is 40mm, and the size of control valve 2 is 150kg/h by the flow set of fuel oil, and now the flow of cooling water is 8.1kg/h.The corresponding size of chimney opening controller 12 that regulates is to guarantee the flameholding in combustion chamber, CO, NO in flue gas
xand SO
2discharge capacity lower than 100ppm.Now the temperature at center, combustion chamber is about 1150 ℃, and combustion heat utilization rate is not less than 80%.
Above-described embodiment is only example character.For those skilled in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and sex change to these embodiment, scope of the present invention is claims and equivalent restriction thereof again.
Claims (10)
1. bio oil combustion system, is characterized in that: described combustion system is comprised of fuel feeding portion, burning portion, three parts of fume emission portion.
2. bio oil combustion system according to claim 1, is characterized in that: described fuel feeding portion is comprised of oil storage tank (1), valve (2) and oil pipeline (3); The vertical range of the jet hole that described oil storage tank (1) arranges from burning portion is no less than 10m.
3. bio oil combustion system according to claim 1, is characterized in that: described burning portion comprises combustion chamber (6) and is set in the outer coaxial water tank (9) in combustion chamber (6); Described combustion chamber (6) is provided with entry of combustion chamber (5), exhanst gas outlet, and described entry of combustion chamber (5) locates to be provided with the atomizer (4) being connected with oil pipeline (3); Described exhanst gas outlet is communicated with fume emission portion; Described water tank (9) is provided with water inlet (8), steam outlet (10) and water liquid level monitoring window (11).
4. bio oil combustion system according to claim 1, is characterized in that: described fume emission portion is comprised of chimney opening controller (12), chimney (13), smoke sampling mouth (14) and the thermocouple (7) that is located at chimney entrance.
5. according to the bio oil combustion system described in claim 2-4, it is characterized in that: described oil storage tank, atomizer metal parts adopt resistant material to make, described oil pipeline adopts softness, resistant material to make.
6. bio oil combustion system according to claim 4, it is characterized in that: described chimney opening controller (12) comprises the rotatable disk being arranged in chimney, described disk diameter is consistent with chimney interior diameter, when disk is parallel to chimney central shaft, chimney suction force is the strongest, and when disk is during perpendicular to chimney central shaft, gas can not flow out from chimney.
7. bio oil combustion system according to claim 6, is characterized in that: the disk of described chimney opening controller (12) and chimney (13) are made by high temperature resistant and corrosion-resistant material.
8. bio oil combustion system according to claim 4, is characterized in that: described thermocouple (7) is for a plurality of.
9. bio oil combustion system according to claim 3, is characterized in that: described atomizer (4) atomized drop average grain diameter is less than 50 μ m; The number of described steam outlet (10) is a plurality of.
10. bio oil combustion system according to claim 2, is characterized in that: the caliber of described oil pipeline (3) is greater than 40mm; Described valve (2) is adjustable valve, and number is two, is located at respectively the upper and lower side of oil pipeline.
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| CN201410005792.1A CN103712203B (en) | 2014-01-06 | 2014-01-06 | A kind of biological oil combustion system |
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795982A (en) * | 2017-10-29 | 2018-03-13 | 农业部规划设计研究院 | A kind of biomass pyrolysis oil and pyrolysis gas mixed combustion technique |
| CN108397773A (en) * | 2018-03-02 | 2018-08-14 | 农业部规划设计研究院 | A kind of mixed combustion equipment of biomass pyrolytic oil gas |
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| CN102330975A (en) * | 2011-07-29 | 2012-01-25 | 宁波丽辰电器有限公司 | Gasifying combustion device for liquid fuel |
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| US4289475A (en) * | 1977-01-05 | 1981-09-15 | Selas Corporation Of America | Steam vaporization of oil |
| CN201246736Y (en) * | 2008-03-18 | 2009-05-27 | 广州迪森热能技术股份有限公司 | Biological oil combustion apparatus |
| CN201724278U (en) * | 2010-06-22 | 2011-01-26 | 王振 | Novel environment-friendly high-efficiency energy-saving stove |
| CN101963349A (en) * | 2010-09-25 | 2011-02-02 | 西北农林科技大学 | Biomass pyrolysis oil burning device and operating method thereof |
| CN102330975A (en) * | 2011-07-29 | 2012-01-25 | 宁波丽辰电器有限公司 | Gasifying combustion device for liquid fuel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795982A (en) * | 2017-10-29 | 2018-03-13 | 农业部规划设计研究院 | A kind of biomass pyrolysis oil and pyrolysis gas mixed combustion technique |
| CN107795982B (en) * | 2017-10-29 | 2020-07-17 | 农业部规划设计研究院 | Biomass pyrolysis oil and pyrolysis gas mixed combustion process |
| CN108397773A (en) * | 2018-03-02 | 2018-08-14 | 农业部规划设计研究院 | A kind of mixed combustion equipment of biomass pyrolytic oil gas |
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| CN103712203B (en) | 2016-06-08 |
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