CN107270323A - A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method - Google Patents
A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method Download PDFInfo
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- CN107270323A CN107270323A CN201710350626.9A CN201710350626A CN107270323A CN 107270323 A CN107270323 A CN 107270323A CN 201710350626 A CN201710350626 A CN 201710350626A CN 107270323 A CN107270323 A CN 107270323A
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- biomass fuel
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- 239000002028 Biomass Substances 0.000 title claims abstract description 52
- 239000001301 oxygen Substances 0.000 title claims abstract description 45
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 title claims abstract description 42
- 238000003745 diagnosis Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 230000000739 chaotic effect Effects 0.000 claims abstract description 18
- 239000000295 fuel oil Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000000889 atomisation Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 6
- 239000002671 adjuvant Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 238000010304 firing Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241001048891 Jatropha curcas Species 0.000 description 1
- 229920000263 Rubber seed oil Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012075 bio-oil Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The present invention provide a kind of biomass fuel it is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method, incendiary agent is used as using biomass fuel, atomizing medium is used as using hot-air, burnt after both are mixed in atomization injection to combustion chamber, while send into oxygen concentration ensures that biomass fuel burns under the conditions of oxygen-enriched/total oxygen for 24 ~ 99.5vt% hot-air；The real-time burning chamber pressure of monitoring, recognized based on time series chaotic characteristic theoretical, real-time diagnosis is carried out to combustion efficiency, the injection state of incendiary agent is adjusted according to diagnostic result, fired state is set to be maintained at chaos state, solve the problems, such as biomass fuel oil firing completely, the real-time diagnosis of the chaos fired state of high combustion efficiency, have the advantages that accuracy of detection is high, testing efficiency is high, strong robustness.
Description
Technical field
The present invention relates to a kind of biomass fuel it is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method, belong to the energy
With field of environmental technology.
Background technology
With the fast development of metallurgical industry, its demand to energy fuel is also increasing.China's metallurgical furnace kiln is about
For 140,000, consume energy in year 8.2 hundred million tons of mark coals, accounts for the 19.86% of national total energy consumption, accounts for the 30% of industrial total energy consumption, non-ferrous metallurgical furnace
Kiln accounts for more than the 60% of metallurgical furnace kiln sum.Various metallurgical industry furnaces in process of production, it is energy-saving, reduction operating cost,
Reduce environmental pollution etc. and have become the key that smelter is sought survival in market competition, tried for the development.In current metallurgical work
In industry kiln burning system, energy fuel is mostly using fossil class A fuel As or industrial gas etc. such as coal, oil, but these fire
Material not only belongs to non-renewable energy resources, and due to containing higher element sulphur in these fuel, its particulate matter discharged and
Sulfide also results in serious air and environmental pollution, and energy consumption is higher.In order to alleviate increasingly serious energy crisis, reduce greatly
Gas environmental pollution and the sustainable development for promoting economic society, certainly will need environmentally friendly, reproducible bio-fuel to substitute conventional
The energy.
Reinforcing heat supply process is the core technology of metallurgical furnace kiln energy efficiency, and existing metallurgical furnace kiln reinforcing heat supply is typically adopted
With the mode for increasing oxygen-enriched/fuel duty, the oxygen-enriched supply of bath smelting furnace increasing, which has excessive whipping splash, which washes away, causes
Converter life is short, stirring is uneven causes valuable metal content height and metal direct yield in clinker low, and heating furnace increasing fuel
Supply has that stove fuel combustion is incomplete, furnace temperature is uneven causes heated metal works overheat burning and product to be become a useful person
The low problem of rate.In order to which combustion system nonlinear characteristic is described, Daw etc. establishes a kind of simple model to burned
Cheng Jinhang researchs, and think to there may be chaotic characteristic in nonlinear combustion process；But at present to being mixed in combustion system
The understanding of ignorant characteristic is also insufficient.At present, in biomass energy trans-utilization technology, the main application of biomass fuel is to carry
Pure high-grade liquid fuel and directly burning, but be due to that biomass fuel viscosity is big, efficiency of combustion is relatively low, general burner mist
Change poor quality, heat loss due to incomplete combustion is larger.
The content of the invention
It is an object of the invention to provide a kind of biomass fuel it is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method,
Using biomass fuel as incendiary agent, using hot-air as atomizing medium, enter after both are mixed in atomization injection to combustion chamber
Row burning, while send into oxygen concentration ensures that biomass fuel burns under the conditions of oxygen-enriched/total oxygen for 24 ~ 99.5vt% hot-air；
The real-time burning chamber pressure of monitoring, recognizes theory based on time series chaotic characteristic, real-time diagnosis is carried out to combustion efficiency, according to diagnosis
As a result the injection state of incendiary agent is adjusted, fired state is maintained at chaos state.The present invention realize biomass fuel it is oxygen-enriched/
The real-time monitoring of all-oxygen combustion state solves the low key issue of biomass fuel incomplete combustion, efficiency of combustion with screening.
The present invention is realized using following technical scheme：
A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system, including biomass fuel oil burner, chamber pressure sensing
Device and chaotic identification system；Chamber pressure sensor is placed in the combustion chamber of biomass fuel oil burner, and logical with chaotic identification system
Wire connection is crossed, data signal transmission can be carried out；Chaotic identification system is according to the chamber pressure data of chamber pressure sensor transmissions to burning
State is identified.
Preferably, the biomass fuel oil burner is industrial furnace high pressure internal-mixing atomization injection biomass fuel oil firing
Device.
A kind of biomass fuel is oxygen-enriched/and total oxygen chaos burning real-time diagnosis method, biomass fuel is filtered, is dehydrated and is added
Pressure heating, while air pressurized is heated, then mixes both, passes through high-pressure atomization batch (-type) injection feeding biomass fuel
The combustion chamber of burner, and combustion adjuvant ignition is sent into, while sending into the hot-air that oxygen concentration is 24 ~ 99.5vt%；Pass through room
Pressure sensor measures chamber pressure data in combustion chamber, and each operating point measures the chamber pressure data of 500 ~ 10000 circulations, transmitted to chaos
Identifying system is identified：When final metric value is 0, illustrate that fired state is in periodic state, when final metric value is more than 0
When, illustrate that the fired state is in chaos state, when final metric value is less than 0, illustrate that fired state is in state pseudoperiod.
Preferably, biomass fuel pressurized, heated to 1.0MPa, 50 ~ 80 DEG C.
Preferably, air pressurized be heated to 1.2 ~ 1.7MPa, 160 ~ 80 DEG C.
Preferably, combustion adjuvant is 0# diesel oil.
The principle of the invention：The ventricular pressure signal x of biomass fuel burner is obtained by chamber pressure sensor1Transmit to
Chaotic identification system, chaotic identification system is by chamber pressure time series x1（Length isN）It is divided intoQIndividual single subset x increased1,j（Length
Forn j ）So that, whereinj=0,1,2,…,Q- 1, andn 0=n；Increase subset x to single1,jCarry out ascending order arrangement；Meter
Calculate each single greatest gradient for increasing subsetS j , and to x1,jIn identical value according to time index carry out ascending order arrangement；By slope subset
S is divided intoPIndividual single increasing subset Vk（Length ism k ）So that, whereink=0,1,2,…,P- 1, andm 0>2；For
Each Vk, calculate standard deviation S,k , and derive corresponding growth rateμ k =μ(N k ,n)=log(1+σ S,k )/logN；It is based onμ k
Set, utilize equation below：
Gained is derived, whereinu k =m k /P.When final metric value λ (n) when being 0, illustrate fired state in periodic state, when most
When whole metric is more than 0, illustrate that the fired state is in chaos state, when final metric value is less than 0, illustrate at fired state
In state pseudoperiod.
The beneficial effects of the invention are as follows：
1st, batch (-type) injection method contributes to increase biomass fuel efficiency of combustion in a combustion chamber, it is easy to lights a fire, serves province
Oil effect；
2nd, the ventricular pressure signal of biomass fuel oil firing is obtained by chamber pressure sensor, helps to monitor combustion efficiency in real time；
3rd, propose based on biomass fuel it is oxygen-enriched/the Chaotic diagnosis method of total oxygen spray burning chamber pressure, efficiently precisely, and according to examining
Disconnected result, adjustment incendiary agent injection state, makes fired state be maintained at chaos state, the combustion of/total oxygen oxygen-enriched to raising biomass
Efficiency is burnt to play an important roll.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present invention.
Embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment
A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system, including biomass fuel oil burner, chamber pressure
Sensor and chaotic identification system；Chamber pressure sensor is placed in the combustion chamber of biomass fuel oil burner, and with chaotic identification system
System is connected by wire, can carry out data signal transmission；Chaotic identification system is according to the chamber pressure data pair of chamber pressure sensor transmissions
Fired state is identified.The biomass fuel oil burner is the atomization injection biomass fuel combustion of industrial furnace high pressure internal-mixing
Burner.
By biomass fuel（Such as Jatropha curcas oil, rubber seed oil, liquefying lignin bio oil）Filter, be dehydrated and pressurize
Heat to 1.0MPa, 80 DEG C, while by air pressurized be heated to 1.2MPa, 160 DEG C, by both by automatically adjust Valve controlling fill
Mixed in the high-pressure oil gas mixing chamber for putting feeding biomass fuel oil burner；High pressure blow smelting operation oil gun is from biomass fuel oil firing
In the surrounding insertion combustion chamber of device, the mixture of the air after biomass fuel and pressurized, heated is passed through into high pressure mist by nozzle
The mode for changing batch (-type) injection sends into combustion chamber, is burnt by the use of 0# diesel oil as combustion adjuvant auxiliary firing, while sending into oxygen concentration
For 24 ~ 99.5vt% hot-air；Chamber pressure data time series in combustion chamber are measured by chamber pressure sensor, each operating point is surveyed
Take the chamber pressure data of 500 ~ 10000 circulations, i.e. x1, transmit to chaotic identification system, chaotic identification system is by chamber pressure time series x1
（Length isN=500~10000）It is divided intoQ=1000 single subset x increased1,j（Length isn j ）So that, its
Inj=0,1,2,…,Q- 1, andn 0=n=50；Increase subset x to single1,jCarry out ascending order arrangement；Calculate each single greatest gradient for increasing subsetS j , and to x1,jIn identical value according to time index carry out ascending order arrangement；Slope subset S is divided intoP=998 single increasing subsets
Vk（Length ism k ）So that, whereink=0,1,2,…,P- 1, andm 0>2；For each Vk, calculate standard
Deviations S,k , and derive corresponding growth rateμ k =μ(N k ,n)=log(1+σ S,k )/logN；It is based onμ k Set, utilize following public affairs
Formula：
Gained is derived, whereinu k =m k /P.When final metric value λ (n) when being 0, illustrate fired state in periodic state, when most
When whole metric is more than 0, illustrate that the fired state is in chaos state, when final metric value is less than 0, illustrate at fired state
In state pseudoperiod.
In order to illustrate the computational problem of slope, following example is used as explanation.
Consider time series QUOTE , i.e. x1=(4, 8,22,11,3,2,13,5,14,24,27,
17,12,7,13,9,19,10,6,30), wherein there is 30 numerical value.Consider x114 subsets：
x1,0=(4,8,22,11,3,2),
x1,1=(4,8,22,11,3,2,13),
x1,2=(4,8,22,11,3,2,13,5),
x1,3=(4,8,22,11,3,2,13,5,14),
x1,4=(4,8,22,11,3,2,13,5,14,24),
x1,5=(4,8,22,11,3,2,13,5,14,24,27),
x1,6=(4,8,22,11,3,2,13,5,14,24,27,17),
x1,7=(4,8,22,11,3,2,13,5,14,24,27,17,12),
x1,8=(4,8,22,11,3,2,13,5,14,24,27,17,12,7),
x1,9=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13),
x1,10=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13,9),
x1,11=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13,9,19),
x1,12=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13,9,19,10),
x1,13=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13,9,19,10,6),
x1,14=(4,8,22,11,3,2,13,5,14,24,27,17,12,7,13,9,19,10,6,30),
Ascending order arrangement is carried out to each subset, the sequence of its sequence number is respectively obtained：
A1,0=(6,5,1,2,4,3),
A1,1=(6,5,1,2,4,7,3),
A1,2=(6,5,1,8,2,4,7,3),
A1,3=(6,5,1,8,2,4,7,9,3).
A1,4=(6,5,1,8,2,4,7,9,3,10),
A1,5=(6,5,1,8,2,4,7,9,3,10,11),
A1,6=(6,5,1,8,2,4,7,9,12,3,10,11),
A1,7=(6,5,1,8,2,4,13,7,9,12,3,10,11),
A1,8=(6,5,1,8,14,2,4,13,7,9,12,3,10,11),
A1,9=(6,5,1,8,14,2,4,13,7,15,9,12,3,10,11),
A1,10=(6,5,1,8,14,2,16,4,13,7,15,9,12,3,10,11),
A1,11=(6,5,1,8,14,2,16,4,13,7,15,9,12,17,3,10,11),
A1,12=(6,5,1,8,14,2,16,18,4,13,7,15,9,12,17,3,10,11),
A1,13=(6,5,1,8,19,14,2,16,18,4,13,7,15,9,12,17,3,10,11),
A1,14=(6,5,1,8,19,14,2,16,18,4,13,7,15,9,12,17,3,10,11,20),
Consider index series（A1,j, 0≤j≤14）The difference of paired neighbor is as slope, in A1,0In have 6 slopes,
A1,14In have 9 slopes.Therefore, greatest gradient is the gradient maxima in this four sequences.In this instance, for A0,1, A1,1,
A1,2, A1,3, A1,4, A1,5, A1,6, A1,7, A1,8, A1,9, A1,10, A1,11, A1,12, A1,13And A1,4, have respectivelyS 0=2,S 1=3,S 2=7,S 3
=7,S 4=7,S 5=7,S 6=7,S 7=9,S 8=9,S 9=9,S 10=14,S 11=14,S 12=14,S 13=14 andS 14=14。
In this example, σ S,k It is allS 0, S 1, S 2... standard deviation, i.e., 14362；
μ k =log(1+σ S,k )/logNFor 0.5425,0.5728,0.6179,0.6418,0.6655,0.6816,0.7001,
0.7167,0.7297,0.7405 ...；
u k =m k /PFor 0.0025,0.0034,0.0042,0.0051,0.0059,0.0067,0.0076,0.0084,0.0093,
0.0101 ...；
For 0.0025,0.0034,0.0042,0.0051,0.0059,0.0068,
0.0076,0.0084,0.0093,0.010 ...；
For 0.8432.
>0, it is chaos fired state to illustrate the biomass combustion state under the situation.
Above in conjunction with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, can also be before present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Put that various changes can be made.
Claims (7)
1. a kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system, including biomass fuel oil burner, chamber pressure pass
Sensor and chaotic identification system；Chamber pressure sensor is placed in the combustion chamber of biomass fuel oil burner, and with chaotic identification system
Connected by wire, data signal transmission can be carried out；Chaotic identification system is according to the chamber pressure data of chamber pressure sensor transmissions to combustion
Burning state is identified.
2. biomass fuel according to claim 1 is oxygen-enriched/total oxygen chaos burning real-time diagnosis system, it is characterised in that
The biomass fuel oil burner is industrial furnace high pressure internal-mixing atomization injection biomass fuel oil burner.
3. a kind of biomass fuel is oxygen-enriched/and total oxygen chaos burning real-time diagnosis method, biomass fuel is filtered, is dehydrated and is pressurizeed
Heating, while by air pressurized, heating, then being mixed both, biology being sent into by way of high-pressure atomization batch (-type) is blown
Matter oil burner combustion chamber, and combustion adjuvant ignition is sent into, while sending into the hot-air that oxygen concentration is 24 ~ 99.5vt%；It is logical
Cross chamber pressure sensor and measure chamber pressure data in combustion chamber, transmit to chaotic identification system and be identified：When final metric value is 0
When, illustrate that fired state is in periodic state, when final metric value is more than 0, illustrate that the fired state is in chaos state, when
When final metric value is less than 0, illustrate that fired state is in state pseudoperiod.
4. biomass fuel according to claim 3 is oxygen-enriched/total oxygen chaos burning real-time diagnosis method, it is characterised in that
Biomass fuel pressurized, heated to 1.0MPa, 50 ~ 80 DEG C.
5. biomass fuel according to claim 3 is oxygen-enriched/total oxygen chaos burning real-time diagnosis method, it is characterised in that
Air pressurized be heated to 1.2 ~ 1.7MPa, 160 ~ 80 DEG C.
6. biomass fuel according to claim 3 is oxygen-enriched/total oxygen chaos burning real-time diagnosis method, it is characterised in that
Combustion adjuvant is 0# diesel oil.
7. biomass fuel according to claim 3 is oxygen-enriched/total oxygen chaos burning real-time diagnosis method, it is characterised in that
Each operating point measures the chamber pressure data of 500 ~ 10000 circulations.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115955A (en) * | 2005-01-28 | 2008-01-30 | （株）庆东Network | System and control method of oil burner's suitable burning ratio using air pressure sensor |
| CN203687089U (en) * | 2013-12-06 | 2014-07-02 | 昆明理工大学 | Vegetable fat or bio-oil combustion system adopting high-pressure internally-mixing type atomization and injection manner for industrial furnace |
| CN205402784U (en) * | 2016-02-14 | 2016-07-27 | 北京德意孚科技发展有限公司 | Automatic negative -pressure firing ware of surplus coefficient of adjustment air |
| WO2016155746A1 (en) * | 2015-03-27 | 2016-10-06 | Iop Marine A/S | Method of testing an injector valve for liquid gas |
| CN106545881A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of monitoring system of liquid fuel fired boiler |
-
2017
- 2017-05-18 CN CN201710350626.9A patent/CN107270323B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115955A (en) * | 2005-01-28 | 2008-01-30 | （株）庆东Network | System and control method of oil burner's suitable burning ratio using air pressure sensor |
| CN203687089U (en) * | 2013-12-06 | 2014-07-02 | 昆明理工大学 | Vegetable fat or bio-oil combustion system adopting high-pressure internally-mixing type atomization and injection manner for industrial furnace |
| WO2016155746A1 (en) * | 2015-03-27 | 2016-10-06 | Iop Marine A/S | Method of testing an injector valve for liquid gas |
| CN106545881A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of monitoring system of liquid fuel fired boiler |
| CN205402784U (en) * | 2016-02-14 | 2016-07-27 | 北京德意孚科技发展有限公司 | Automatic negative -pressure firing ware of surplus coefficient of adjustment air |
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