CN101021328A - Oxygen-enriched combustion and heat-transferring system and its applied method - Google Patents
Oxygen-enriched combustion and heat-transferring system and its applied method Download PDFInfo
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- CN101021328A CN101021328A CNA2007100674610A CN200710067461A CN101021328A CN 101021328 A CN101021328 A CN 101021328A CN A2007100674610 A CNA2007100674610 A CN A2007100674610A CN 200710067461 A CN200710067461 A CN 200710067461A CN 101021328 A CN101021328 A CN 101021328A
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- 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
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Abstract
The present invention relates to an oxygen-enriched combustion and heat transfer system. Said system includes the following several potions: oxygen supply device, it is used for making oxygen gas and feeding said oxygen gas into combustion chamber; fuel supply device, it is used for treating fuel and feeding the fuel into combustion chamber; combustion chamber, it is used for combusting fuel to produce high-temperature gas; heat-transferring device for making the high-temperature produced in combustion chamber be acted on the carrier to be heated so as to implement heat transfer; and induced draught fan, it is series-connected with heat-transferring device and is used for providing power to drive the above-mentioned high-temperature gas and make it be flowed. Said system can be used for incinerating garbage.
Description
Technical field
The invention belongs to heat complete set of equipments technical field, relate in particular to a kind of oxygen-enriched combusting and heat transfer system and application process thereof.
Background technology
Traditional combustion system is with fuel and air mixing after-combustion.But have only the oxygen about 21% in the air, the 79%th, nitrogen and a spot of other gas in combustion process, have only oxygen really to participate in, and nitrogen does not participate in burning.Though nitrogen does not participate in burning, nitrogen has experienced the whole process of burning, and it has obtained heat, discharges with tail gas at last, and the heat that nitrogen obtained also loses because of discharging, and the loss of this part heat has directly caused the thermal loss of whole combustion process.At present, a large amount of boilers comprises boiler for domestic, electricity generation boiler, sintering furnace, smelting furnace etc., has all adopted traditional combustion system, has caused the massive losses of heat.The traditional combustion mode has also been discharged global warming gas (mainly being carbon dioxide), serious environment pollution in large quantities except the tail gas of the big heat of direct discharging.In addition, fuel is owing to burn under the state of " oxygen deprivation ", and fuel combustion is insufficient, and efficiency of combustion is low, and is less economical.
Summary of the invention
The invention discloses a kind of efficiency of combustion height, thermal loss is few, greenhouse gas emissions are low oxygen-enriched combusting and heat transfer system and application process thereof.
The technical solution adopted for the present invention to solve the technical problems is: oxygen-enriched combusting and heat transfer system, and this system comprises: apparatus of oxygen supply is used to produce oxygen and carries to the combustion chamber;
Feeding device is used to handle fuel and carries to the combustion chamber;
The combustion chamber, fuel combustion produces high-temperature gas;
Heat transmitter acts on the carrier that needs heating with the high-temperature gas that produces in the combustion chamber, realizes heat transmission;
Air-introduced machine is serially connected with heat transmitter, provides power for the high-temperature gas that produces in the combustion chamber flows.
Described oxygen-enriched combusting and heat transfer system, the high-temperature gas that produces in the combustion chamber passes through heat transmitter, dust removal machine successively under the effect of air-introduced machine; Air-introduced machine links to each other with exhaust gas processing device again.
Described oxygen-enriched combusting and heat transfer system, exhaust gas processing device are connected in series with the dry ice machine by carbon-dioxide gas compressor and form.
Described oxygen-enriched combusting and heat transfer system, dust removal machine adopts steam fog dust removal machine, electric precipitation machine or bag-type dusting machine.
Described oxygen-enriched combusting and heat transfer system, apparatus of oxygen supply is formed by oxygenerator, oxygen tank and oxygen compressor serial connection, and oxygen compressor is communicated with combustion chamber sealing, and the oxygen concentration that oxygenerator is produced is not less than 50%.
Described oxygen-enriched combusting and heat transfer system, feeding device is formed by solid fuel powder machine, fuel powder storehouse and powder feeding machine serial connection, and the powder feeding machine is connected with the combustion chamber.
Described oxygen-enriched combusting and heat transfer system, feeding device is formed by liquid fuel purifying machine, fuel storage and feeder serial connection, and feeder is connected with the combustion chamber.
Described oxygen-enriched combusting and heat transfer system, feeding device is formed by gaseous fuel storehouse and feeder serial connection, and feeder is connected with the combustion chamber.
High-temperature gas in described oxygen-enriched combusting and the heat transfer system, heat transmitter flows in opposite directions with the carrier that is in the heating of heat-transfer pipe domestic demand, realizes the maximal efficiency of heat exchange.
The above-mentioned oxygen-enriched combusting and the application process of heat transfer system, this system applies is in combustion refuse.
System of the present invention all adopts the hyundai electronics Electrical Control Technology to realize to the running control of each power, the control of system safety operation, the inefficacy monitoring of system.
The oxygen of high concentration of the present invention accounts for the burning gases ratio and is not less than 50%, even reach 99%, this high-concentration oxygen is transported to the combustion chamber by the pipeline that is provided with safety measure with certain pressure, fully contact with the participation burnt fuel, under the effect of igniter, fuel combustion and the high-temperature gas that produces, under the air-introduced machine effect of system, high-temperature gas flows by direction of setting and pipeline, passes through heat exchanger respectively, behind the dust removal machine, enter the dry purifying plant of carbon dioxide, carry out the purification before greenhouse gases are handled, under the effect of gas compressor, enter the dry ice machine again, carbon dioxide is made dry ice, to make the solid storage.Dry ice can be done commercial use or reduce processing under certain condition, is converted into the carbon and the oxygen of solid.
Combustion chamber of the present invention and each pipeline all reach the height air-tightness and require and requirement of strength, guarantee in use not take place any leakage.
The present invention adopts high-concentration oxygen directly to burn, and does not have the nitrogen that does not participate in chemical reaction, has reduced the required air capacity of burning, and the air inducing power that burning is needed requires to reduce significantly, saves energy resource consumption; Because have only oxygen to participate in burning, when oxygen was excessive, fuel completing combustion had improved fuel economy, can save energy resource consumption, and can reduce the discharge capacity of greenhouse gases.The present invention does not have any specific (special) requirements to fuel, goes for the fuel of any carbon containing and hydrocarbon, comprises plant and animal, grease, fuel gas, the fuel wet goods of coal, dehydration, thereby alleviates the situation of energy sources deficiency; The municipal refuse that the present invention is specially adapted to after super-dry, Screening Treatment acts as a fuel, and has both improved urban environment, realizes twice laid again, turns waste into wealth, and has the remarkable economical meaning.
The tail gas that produces after the fuel combustion mainly is carbon dioxide and oxygen; oxygen can directly discharge in the carbon dioxide purification process; do not influence earth atmosphere; and carbon dioxide is converted into solid in the dry ice machine of native system; reduce emission greenhouse gas to greatest extent, to the protection environment, improve global warming and have certain contribution.
Description of drawings
Fig. 1 is the system diagram of the embodiment of the invention one.
Fig. 2 is the flow chart of the embodiment of the invention one.
Fig. 3 is the system diagram of the embodiment of the invention three.
Fig. 4 is the flow chart of the embodiment of the invention three.
Fig. 5 is the system diagram of the embodiment of the invention four.
Fig. 6 is the flow chart of the embodiment of the invention four.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.
Embodiment one: as shown in Figure 1, 2, oxygen-enriched combusting and heat transfer system comprise apparatus of oxygen supply, feeding device, combustion chamber, heat exchanger, dust removal machine, air-introduced machine, exhaust gas processing device.Apparatus of oxygen supply is used to produce oxygen and carries to combustion chamber 7, and it is formed by the serial connection of oxygenerator 1, oxygen tank 2 and oxygen compressor 3 hermetic seal successively, and oxygen compressor 3 is connected with combustion chamber 7 sealings, and the oxygen concentration that oxygenerator 1 is produced is not less than 50%.Feeding device is used to handle fuel and carries to combustion chamber 7, and it is connected in series successively by solid fuel powder machine 4, fuel powder storehouse 5 and powder feeding machine 6 and forms, and powder feeding machine 6 is connected with combustion chamber 7 sealings.In combustion chamber 7, light the fuel of input, fuel combustion produces high-temperature gas.Combustion chamber 7 is connected with the air inlet of heat transmitter 8, and heat transmitter 8 gas outlets are connected with dust removal machine 11.Feed the inlet pipe 9 of the carrier that needs heating at the gas outlet of heat transmitter 8 end, heat-transfer pipe 15 in inlet pipe 9 and the heat transmitter 8 is communicated with, heat-transfer pipe 15 is connected with the pipe 10 that goes out that is in heat transmitter 8 air inlet ends again, thereby by heat transmitter 8 high-temperature gas that produces in the combustion chamber is acted on the carrier that needs heating, realize heat transmission; High-temperature gas flows in opposite directions with the carrier that is in the heating of heat-transfer pipe 15 domestic demands, realizes the optimum efficiency of heat exchange.
The outlet of dust removal machine 11 links to each other with air-introduced machine 12, and air-introduced machine 12 provides power for the high-temperature gas that produces in the combustion chamber flows.The high-temperature gas that produces in the combustion chamber passes through heat transmitter 8, dust removal machine 11 successively under the effect of air-introduced machine.Dust removal machine can adopt steam fog dust removal machine, electric precipitation machine or bag-type dusting machine.Exhaust gas processing device is connected in series with dry ice machine 14 by carbon-dioxide gas compressor 13 and forms, and carbon-dioxide gas compressor 13 links to each other with air-introduced machine 12.
Present embodiment acts as a fuel with general solids, can adopt the dry carbon and the mixture of hydrocarbon, material as any carbon containings such as coal, plant straw, weedtree, animal tallow and beach hydrogen compound, this class A fuel A is through the powder that is ground into of fuel powder machine 4, and fuel powder is stored in fuel powder storehouse 5.The oxygen that present embodiment adopts derives from oxygenerator 1 gained, through being stored in behind the certain pressure in the oxygen tank 2 in order to using.
When starting whole system, air-introduced machine 12 comes into operation under the instruction of central controller, make in the whole system pipe and combustion chamber 7, heat transmitter 8 all are in negative pressure state, meanwhile, input needs the water or the steam of heating in inlet pipe 9, controls the heat transfer quantity of steam or the water yield automatically by certain pressure and quantitative requirement.
Pulverized fuel is sent into combustion chamber 7 through powder feeding machine 6, oxygen enters combustion chamber 7 through oxygen compressor 3, combustion chamber 7 is provided with electronic ignition device, fire fuel, make fuel conflagration under nearly pure oxygen state, and produce high temperature carbon dioxide and water vapour, increase volume rapidly with the form of flame, under the effect of air-introduced machine, along the negative pressure direction, carry out the transmission of heat in heat transmitter 8, the temperature of high-temperature gas progressively reduces, and flame disappears, progressively form high hot carbon dioxide and water vapour, under the air-introduced machine effect, continue to carry out the heat transmission, the most at last heat transferred each carrier that need heat with each section preheating device of setting.
In use, the combustion chamber can be manufactured in together with the high hot arc of heat exchanger, and the preheating section of heat exchanger has constituted the part of burning after heat carbon dioxide pipeline.
The gas that comes out from heat transmitter 8 has reduced temperature, through the effect of dust removal machine, has removed particulate matters such as ash wherein, through super-dry and cooling, be sent to gas and separate purifying plant, other air scavenge that the removing carbon dioxide in the waste gas is outer reach more than 99% concentration of carbon dioxide.Carbon dioxide after the purification is in the dry ice machine, and through overcompression, cooling, the realization solidification is stored through getting final product solid dry ice after the packing, and can be used as the use of commodity dry ice.The refrigerating part of carbon dioxide cooling and air separation plant all can be used the heat of waste heat recovery, adopts the lithium bromide suction type to realize refrigeration, realizes the high service efficiency of the energy.
The solid fuel generating burning unit that generating capacity is 200,000 kilowatts of scales, the amount of oxygen of actual consumption is for per hour about 10 ten thousand steres (calculating by standard state), per hour fuel is amounted to standard coal and is about about 50 tons, per hour producing dry ice is about about 100 tons, the burning energy utilization rate can reach more than 90%, wherein direct generation of electricity conversion ratio will reach more than 50%, and emission amount of carbon dioxide is below 1%.
Owing to reduced nitrogen, the gas volume and the weight that participate in burning are reduced significantly, can make air-introduced machine and each air pipe line volume reduce and reduce energy resource consumption significantly, increase the effective power of generating set, and reduce corresponding apparatus volume and requirements of installation space, reduce cost of investment.Even carbon dioxide discharges fully, because no nitrogen experience combustion process has reduced the waste gas residual heat loss, improved the fuel heat utilization ratio, also will reduce the CO2 emissions more than 10%.
Embodiment two: with system applies of the present invention in the burning municipal refuse.
Municipal refuse acts as a fuel after super-dry, screening etc. is handled a series ofly, through the processing of native system, realizes the conversion of energy.Present embodiment has significant meaning, can improve the urban health environment, has increased the source of the energy again, has alleviated the energy-intensive situation to a certain extent.
Other content of present embodiment and embodiment one are mutually.
Embodiment three: shown in Fig. 3,4, the system of present embodiment is fuel with liquid, as edible oil, heavy oil, vegetable oil.
Feeding device is formed by liquid fuel purifying machine 4 ', fuel storage 5 ' and feeder 6 ' serial connection, and feeder 6 ' links to each other with combustion chamber 8.
Other content of present embodiment is identical with embodiment one.
Embodiment four: shown in Fig. 5,6, the system of present embodiment is a fuel with gas, as combustion gas.
Feeding device is by gaseous fuel storehouse 5 " and feeder 6 " serial connection form feeder 6 " link to each other with combustion chamber 8.
Other content of present embodiment is identical with embodiment one.
Claims (10)
1, oxygen-enriched combusting and heat transfer system is characterized in that this system comprises:
Apparatus of oxygen supply is used to produce oxygen and carries to the combustion chamber;
Feeding device is used to handle fuel and carries to the combustion chamber;
The combustion chamber, fuel combustion produces high-temperature gas;
Heat transmitter acts on the carrier that needs heating with the high-temperature gas that produces in the combustion chamber, realizes heat transmission;
Air-introduced machine is serially connected with heat transmitter, provides power for the high-temperature gas that produces in the combustion chamber flows.
2, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: the high-temperature gas that produces in the combustion chamber passes through heat transmitter, dust removal machine successively under the effect of air-introduced machine; Air-introduced machine links to each other with exhaust gas processing device.
3, oxygen-enriched combusting according to claim 2 and heat transfer system is characterized in that: exhaust gas processing device is connected in series with the dry ice machine by carbon-dioxide gas compressor and forms.
4, oxygen-enriched combusting according to claim 2 and heat transfer system is characterized in that: dust removal machine adopts steam fog dust removal machine, electric precipitation machine or bag-type dusting machine.
5, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: apparatus of oxygen supply is formed by oxygenerator, oxygen tank and oxygen compressor serial connection, and oxygen compressor is communicated with combustion chamber sealing; The oxygen concentration that oxygenerator is produced is not less than 50%.
6, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: feeding device is formed by solid fuel powder machine, fuel powder storehouse and powder feeding machine serial connection, and the powder feeding machine is connected with the combustion chamber.
7, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: feeding device is formed by liquid fuel purifying machine, fuel storage and feeder serial connection, and feeder is connected with the combustion chamber.
8, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: feeding device is formed by gaseous fuel storehouse and feeder serial connection, and feeder is connected with the combustion chamber.
9, oxygen-enriched combusting according to claim 1 and heat transfer system is characterized in that: the high-temperature gas in the heat transmitter flows in opposite directions with the carrier that is in the heating of heat-transfer pipe domestic demand.
10, the application process of a kind of oxygen-enriched combusting as claimed in claim 1 and heat transfer system, it is characterized in that: described system applies is in combustion refuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100674610A CN100523614C (en) | 2007-03-12 | 2007-03-12 | Oxygen-enriched combustion and heat-transferring system and its applied method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100674610A CN100523614C (en) | 2007-03-12 | 2007-03-12 | Oxygen-enriched combustion and heat-transferring system and its applied method |
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| Publication Number | Publication Date |
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| CN101021328A true CN101021328A (en) | 2007-08-22 |
| CN100523614C CN100523614C (en) | 2009-08-05 |
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| CNB2007100674610A Expired - Fee Related CN100523614C (en) | 2007-03-12 | 2007-03-12 | Oxygen-enriched combustion and heat-transferring system and its applied method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010037268A1 (en) * | 2008-09-27 | 2010-04-08 | Yuan Yongyang | Method for processing garbage and comprehensive treatment technology thereof |
| CN102537589A (en) * | 2012-01-16 | 2012-07-04 | 北京市旭广厦暖通节能设备有限责任公司 | Maintaining and efficiency improving system for centralized heating |
| CN108253428A (en) * | 2016-12-28 | 2018-07-06 | 宝钢工程技术集团有限公司 | Garbage combustion device and its application method under oxygen-enriched atmosphere |
-
2007
- 2007-03-12 CN CNB2007100674610A patent/CN100523614C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010037268A1 (en) * | 2008-09-27 | 2010-04-08 | Yuan Yongyang | Method for processing garbage and comprehensive treatment technology thereof |
| CN102537589A (en) * | 2012-01-16 | 2012-07-04 | 北京市旭广厦暖通节能设备有限责任公司 | Maintaining and efficiency improving system for centralized heating |
| CN108253428A (en) * | 2016-12-28 | 2018-07-06 | 宝钢工程技术集团有限公司 | Garbage combustion device and its application method under oxygen-enriched atmosphere |
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| Publication number | Publication date |
|---|---|
| CN100523614C (en) | 2009-08-05 |
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Granted publication date: 20090805 Termination date: 20110312 |