CN100552299C - A kind of alcohol gasifying reforming burning system that is used for industrial furnace - Google Patents

A kind of alcohol gasifying reforming burning system that is used for industrial furnace Download PDF

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CN100552299C
CN100552299C CNB2006101133059A CN200610113305A CN100552299C CN 100552299 C CN100552299 C CN 100552299C CN B2006101133059 A CNB2006101133059 A CN B2006101133059A CN 200610113305 A CN200610113305 A CN 200610113305A CN 100552299 C CN100552299 C CN 100552299C
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pipeline
alcohol radical
waste heat
air
alcohol
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CN1945123A (en
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李水清
陈翠芳
卓建坤
宋蔷
王均衡
王衍衡
乐国明
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Fushan Chancheng Shiwan Ceramic Pottery Technology Innovation Co Ltd
Tsinghua University
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Fushan Chancheng Shiwan Ceramic Pottery Technology Innovation Co Ltd
Tsinghua University
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Abstract

A kind of alcohol gasifying reforming burning system that is used for industrial furnace belongs to heat power engineering system device technique field.Alcohol radical head tank (5), 2# pump (6), flowmeter (7) link to each other successively by pipeline, flowmeter (7) links to each other with electric heater (8) by the pipeline that has valve, electric heater (8), start burner (9), waste heat vaporizer (10), cracker (11), kiln burner (20) and link to each other successively by pipeline, kiln burner (20) is by linking to each other with air-introduced machine (18) by the pipeline outside waste heat vaporizer (10) and the fan heater (15); Air-introduced machine (18) links to each other with chimney (19) by pipeline; The present invention makes full use of flue gas afterbody waste heat and improves efficiency of energy utilization, reduces the flue gas heat waste, realizes energy-conservation; Vaporization of alcohol radical synthetic fuel or vaporization cracking after-combustion have improved energy level, alleviate problems such as direct corrosivity of burning of liquid alcohol radical synthetic fuel and calorific value are low simultaneously.

Description

A kind of alcohol gasifying reforming burning system that is used for industrial furnace
Technical field
The present invention relates to a kind of alcohol gasifying reforming burning system that is used for industrial furnace, is the utilization of a kind of industrial furnace fume afterheat, reaches a kind of new combustion systems of energy-conservation and environmental protection, belongs to heat power engineering system device technique field.
Background technology
At present, alcohol-group fuel is because it " carries oxygen ", and the Air thing discharges characteristics such as few, is used research widely, and alcohol-group fuel is used for automobile, and there has been a lot of research aspects such as Civil energy-saving cooking stove, and it is fewer still to be used for industrial furnace research.Present most of industrial furnace is a fuel with diesel oil, heavy oil, liquefied petroleum gas or natural gas mainly, burning cost height, and pollutant emission is serious, and the alcohol radical synthetic fuel is the very big alternative fuel of a kind of development prospect.Begun directly to use alcohol-group fuel in a lot of industry at present, with the alcohol-group fuel after-combustion that atomizes, but the alcohol-group fuel calorific value is low, and the latent heat of vaporization is big, and has corrosivity, directly uses characteristics such as there being unconventional pure aldehydes discharging; Present simultaneously whole heat power engineering system is not used to the tail flue gas waste heat in a lot of industrial furnaces, and general industry stove tail flue gas temperature is higher than 300 ℃, has so just wasted this part heat greatly.
Therefore, based on the serious reason of deficiency, the disposal of pollutants of heat power engineering system and the demand in market, and the shortcoming of direct alcohol radical synthetic fuel burning, proposition utilizes vaporization of tail flue gas waste heat or the clean alcohol radical synthetic fuel of gasification cracking, utilize alcohol-group fuel latent heat of vaporization indirect-firing system, and be conceived to the use of large-scale promotion alcohol radical synthetic fuel in industrial furnace.
The characteristics of tail flue gas waste heat gasification alcohol radical synthetic fuel indirect burning mode:
1, utilize industrial furnace using waste heat from tail gas or exhaust gases of internal combustion engines heat, heating vaporization or gasification cracking alcohol radical synthetic fuel utilize the latent heat of vaporization of alcohol radical, thereby improve fuel chemical energy;
2, alcohol-group fuel gasification after-combustion improves combustion stability and combustion environmental-friendly, has improved the corrosivity of alcohol radical synthetic fuel burning and the effectively discharging of the unconventional aldehyde alcohol of containment simultaneously;
Summary of the invention
The objective of the invention is efficiently to utilize the alcohol radical synthetic fuel, utilize fume afterheat, reduce heat loss due to exhaust gas, thereby improve energy utilization rate; And alcohol-group fuel contains oxygen and cleaning, the charcoal cigarette soot of burning and exhausting and nitrogen oxide NO XFew, reach the requirement of energy-saving and environmental protection.
The invention provides a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace, solve present industrial furnace because the problem of environmental pollution that uses coal, wet goods fuel to cause is promoted the use of alcohol radical synthetic fuel indirect burning mode.
A kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace, this alcohol radical synthetic fuel combustion system comprises alcohol radical head tank (5), 2# pump (6), flowmeter (7), electric heater (8), starts burner (9), waste heat vaporizer (10), kiln burner (20), fan heater (15), air blast (17), and air-introduced machine (18), chimney (19), air-introduced machine are formed;
Alcohol radical head tank (5), 2# pump (6), flowmeter (7) link to each other successively by pipeline, flowmeter (7) links to each other with electric heater (8) by the pipeline that has valve, electric heater (8), start burner (9), waste heat vaporizer (10), cracker (11), kiln burner (20) and link to each other successively by pipeline, kiln burner (20) is by linking to each other with air-introduced machine (18) with pipeline in the fan heater (15) by waste heat vaporizer (10); Air-introduced machine (18) links to each other with chimney (19) by pipeline;
Flowmeter (7) directly links to each other with waste heat vaporizer (10) by the pipeline that another road has valve;
Waste heat vaporizer (10) links to each other with cooler (22) and recycling can (23) by the pipeline that has safety valve (14);
Air blast (17), fan heater (15) and kiln burner (20) link to each other successively by pipeline;
Kiln burner (20) links to each other with chimney (19) by another air-introduced machine (21).
On the described waste heat gasifier (10) Pressure gauge and thermometer are installed.
Thermometer (16) is installed in the described fan heater (15).
The present invention is installed a synthetic fuel vaporization of cover alcohol radical or a gasification cracking system additional at the flue gas afterbody, utilize fume afterheat vaporization or gasification cracking alcohol radical synthetic fuel to burn, belong to a kind of indirect use alcohol radical synthetic fuel mode, improve energy utilization rate, avoid directly using problems such as low, unconventional pure aldehydes discharging of alcohol-group fuel calorific value and corrosivity.The chemical equation of whole system alcohol radical synthetic fuel burning is (is example with the methanol fuel):
System is a gas with liquid fuel evaporation earlier, with the burning of the alcohol radical gaseous direct fuel after the vaporization; Or, alcohol-group fuel is become the process that synthesis gas burns again again by the catalyst cracking.
The whole flow process of system's continuous feeding, gasification is: by oily car (1) utilization feedstock oil, be stored in bottom product oil head tank (2), send into the alcohol radical head tank (5) that has flowmeter (7) by 1# pump (4) through filter (3), by suspended body flowmeter control import alcohol-group fuel amount, by 2# pump (6) alcohol-group fuel is sent into gasification installation, by-passing electric starter during startup comprises electric heater (8) and starts burner (9); After starting end, during normal the operation, close bypass and utilize fume afterheat heating vaporization or gasification cracking alcohol radical synthetic fuel, send into burning use in the Industrial Stoves (20) by the combustion gas trunk line through waste heat gasifier (10) vaporization or the synthesis gas after cracker (11) gasification cracking is passed through in waste heat gasifier (10) vaporization again, the flue gas part that the burning back produces is directly discharged from chimney (19) by air-introduced machine (21), another part is sent into waste heat flue gas (13) by flue gas recirculation in the pipeline of waste heat vaporizer (10) by the tube wall heat convection, with heat transferred alcohol radical synthetic fuel, further take away amount of residual heat will in the flue gas by the flue gas after waste heat gasifier (10) the heat exchange cooling by fan heater (15) heat exchange, draw by air-introduced machine (18) again, discharge by chimney (19).Fan heater (15) is to be used for adding hot-air to supply with industrial furnace burning use, improves the import wind-warm syndrome, thereby improves efficiency of combustion.Pressure gauge, thermometer (12), safety valve (14) are installed on the waste heat gasifier (10) and are connected with cooler (21) and recycling can (22) in the bottom.By regulating the variation that flue gas flow and import alcohol radical synthetic fuel flow satisfy load, just can realize the steady and continuous operation of process system.
By above-mentioned technical scheme as can be known, the present invention mainly comprises alcohol radical charging gear, waste heat vaporization or gasification cracking device, electric start-up control device; We can carry out alcohol-group fuel vaporization and cracking simultaneously in system, and also can not install cracker additional only is to utilize behind the alcohol-base vaporizing again.
Superiority of the present invention is:
1, makes full use of flue gas afterbody waste heat, improve efficiency of energy utilization, reduce the flue gas heat waste, realize purpose of energy saving;
2, industrial furnace utilizes the alcohol radical synthetic fuel to substitute fuel such as diesel oil, heavy oil, reduces the discharging of Air thing, reaches environmental protection requirement;
3, vaporization of alcohol radical synthetic fuel or vaporization cracking after-combustion are avoided having improved energy level because of the alcohol radical calorific value is low excessively, alleviate problems such as direct corrosivity of burning of liquid alcohol radical synthetic fuel and calorific value are low simultaneously.
Description of drawings
Fig. 1 structural representation of the present invention.
A kind of industrial ceramics using residual heat from kiln furnace vaporization of Fig. 2 alcohol radical synthetic fuel combustion system schematic diagram.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention.Among the figure: 1. oily car, 2. product oil head tank, 3. filter, 4.1# pump, 5. alcohol radical head tank, 6.2# pump, 7. flowmeter, 8. electric heater, 9. startup burner, 10. waste heat gasifier, 11. crackers, 12. thermometers, Pressure gauge, 13. the waste heat flue gas, 14. safety valves, 15. fan heaters, 16. thermometers, 17. air blast, 18. air-introduced machines, 19. chimneys, 20. kiln burners, 21. air-introduced machine, 22. coolers, 23. recycling cans.As shown in Figure 1, a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace, it is characterized in that, this alcohol radical synthetic fuel combustion system comprises alcohol radical head tank (5), 2# pump (6), flowmeter (7), electric heater (8), starts burner (9), waste heat vaporizer (10), kiln burner (20), fan heater (15), air blast (17), and air-introduced machine (18), chimney (19), air-introduced machine are formed; Alcohol radical head tank (5), 2# pump (6), flowmeter (7) link to each other successively by pipeline, flowmeter (7) links to each other with electric heater (8) by the pipeline that has valve, electric heater (8), startup burner (9), waste heat vaporizer (10), kiln burner (20) link to each other successively by pipeline, and kiln burner (20) links to each other with air-introduced machine (18) by the pipeline by waste heat vaporizer (10) and fan heater (15); Air-introduced machine (18) links to each other with chimney (19) by pipeline; Flowmeter (7) directly links to each other with waste heat vaporizer (10) by the pipeline that another road has valve; Air blast (17), fan heater (15) and kiln burner (20) link to each other successively by pipeline; Kiln burner (20) links to each other with chimney (19) by air-introduced machine (21).Referring to accompanying drawing 1, by oily car (1) utilization feedstock oil, be stored in bottom product oil head tank (2), send into the alcohol radical head tank (5) that has flowmeter (7) by 1# pump (4) through filter (3), by suspended body flowmeter control import alcohol-group fuel amount, by 2# pump (6) alcohol-group fuel is sent into gasification installation, the by-passing electric starter is made up of electric heater (8) and startup burner (9) during startup, during normal the operation, close bypass and utilize fume afterheat heating vaporization or gasification cracking alcohol radical synthetic fuel, synthesis gas after waste heat gasifier (10) is vaporized or passed through cracker (11) gasification cracking is again sent into burning use in the Industrial Stoves (20) by the combustion gas trunk line, directly from chimney (19) discharging, send into waste heat flue gas (13) in the waste heat vaporizer by flue gas recirculation and use by another part by air-introduced machine (21) for the flue gas part that the burning back produces; Further take away amount of residual heat will in the flue gas by the flue gas after waste heat gasifier (10) the heat exchange cooling by fan heater (15), draw by air-introduced machine (18) again, discharge by chimney (19).Send into kiln in combustion-supporting through the air of fan heater (15) through preheating by air blast (17).Pressure gauge, thermometer (12), safety valve (14) are installed on waste heat gasifier (10) simultaneously, and are connected with cooler (21) and recycling can (22), be convenient to reclaim unnecessary forming gas, guarantee security of system in the bottom.
A kind of industrial ceramics using residual heat from kiln furnace vaporization of Fig. 2 alcohol radical synthetic fuel combustion system schematic diagram.Be that the present invention specifically applies to the concrete condition in the industrial ceramics kiln.Among the figure:, 8. electric heater 9. starts burner, 10. waste heat gasifier, 11. crackers, 18. air-introduced machines, 20. kiln burners, 24. fume afterheats utilize system." 8+9 " " 10+11 " expression as previously mentioned 8. electric heaters, 9. start burner and link together, 10. waste heat gasifier, 11. crackers link together; As shown in Figure 2, pure based raw material from alcohol radical head tank (5) when at first starting, by electric heater (8), start burner (9) and deliver in the waste heat gasifier (10), after whole system starts; Close this pipeline, pure based raw material is delivered directly to waste heat gasifier (10) from alcohol radical head tank (5) and delivers to burning the kiln burner (20) (can much organize) through the waste heat gasification or after passing through cracker (11) gasification cracking again; A gas fume after burning part guides chimney by air-introduced machine, and another part is introduced chimney by the pipeline by waste heat gasifier (10), air-heater etc. by air-introduced machine (18); Air blast, air-heater are toward kiln burner (20) input air.
The present invention makes full use of flue gas afterbody waste heat, improves efficiency of energy utilization, reduces the flue gas heat waste, realizes purpose of energy saving; Vaporization of alcohol radical synthetic fuel or vaporization cracking after-combustion are avoided having improved energy level because of the alcohol radical calorific value is low excessively, alleviate problems such as direct corrosivity of burning of liquid alcohol radical synthetic fuel and calorific value are low simultaneously.

Claims (4)

1, a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace, it is characterized in that this alcohol radical synthetic fuel combustion system comprises alcohol radical head tank (5), pump (6), flowmeter (7), electric heater (8), starts burner (9), waste heat vaporizer (10), kiln burner (20), fan heater (15), air blast (17), first air-introduced machine (18), chimney (19), second air-introduced machine (21);
Alcohol radical head tank (5), pump (6), flowmeter (7) link to each other successively by pipeline, flowmeter (7) links to each other with electric heater (8) by the pipeline that has valve, electric heater (8), startup burner (9), waste heat vaporizer (10), kiln burner (20) link to each other successively by pipeline, and kiln burner (20) links to each other with first air-introduced machine (18) with the outer pipeline of fan heater (15) by waste heat vaporizer (10); First air-introduced machine (18) links to each other with chimney (19) by pipeline;
Flowmeter (7) directly links to each other with waste heat vaporizer (10) by the pipeline that another road has valve;
Air blast (17), fan heater (15) and kiln burner (20) link to each other successively by pipeline;
Kiln burner (20) links to each other with chimney (19) by second air-introduced machine (21).
2, a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace according to claim 1 is characterized in that, described waste heat vaporizer (10) links to each other with cooler (22) and recycling can (23) by the pipeline that has safety valve (14).
3, a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace according to claim 1 is characterized in that, on the described waste heat gasifier (10) Pressure gauge and thermometer is installed.
4, a kind of alcohol radical synthetic fuel combustion system that is used for industrial furnace according to claim 1 is characterized in that, thermometer (16) is installed in the described fan heater (15).
CNB2006101133059A 2006-09-22 2006-09-22 A kind of alcohol gasifying reforming burning system that is used for industrial furnace Expired - Fee Related CN100552299C (en)

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CNB2006101133059A CN100552299C (en) 2006-09-22 2006-09-22 A kind of alcohol gasifying reforming burning system that is used for industrial furnace

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CNB2006101133059A CN100552299C (en) 2006-09-22 2006-09-22 A kind of alcohol gasifying reforming burning system that is used for industrial furnace

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101323431B (en) * 2008-07-09 2010-08-11 王衍衡 Method and apparatus system for converting methanol into hydrogen fuel by using industrial furnace residual heat
CN101871731A (en) * 2010-06-02 2010-10-27 昆明理工大学 Large-scale industrial combustion method of dimethyl ether
CN103420337B (en) * 2013-09-05 2015-09-09 山东乾鑫环保节能科技股份有限公司 A kind of methanol steam reforming prepares the method for boiler hydrogen
CN104033897A (en) * 2014-05-30 2014-09-10 葛士群 High-temperature pyrolysis combustor
CN106016338A (en) * 2016-05-20 2016-10-12 昆明理工大学 Secondary-atomizing oxy-fuel combustion method of burning oil of biomass
CN106439803A (en) * 2016-10-28 2017-02-22 秦皇岛轻烃能源有限公司 Liquid light hydrocarbon fuel gasification and combustion system
CN112047300A (en) * 2020-08-18 2020-12-08 广东醇氢新能源研究院有限公司 Alcohol cracking gas combustion heating method and device for kiln

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