CN102313290A - Film local oxygen-enriched combustion supporting system - Google Patents
Film local oxygen-enriched combustion supporting system Download PDFInfo
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- CN102313290A CN102313290A CN2010102220169A CN201010222016A CN102313290A CN 102313290 A CN102313290 A CN 102313290A CN 2010102220169 A CN2010102220169 A CN 2010102220169A CN 201010222016 A CN201010222016 A CN 201010222016A CN 102313290 A CN102313290 A CN 102313290A
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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 invention relates to a film local oxygen-enriched combustion supporting system. The system comprises a filter, a ventilator, a film device, a vacuum system, a gas-moisture separating, dehumidifying and pressure-stabilizing system, an electrical-control, adjustment and alarm system, a soft water circulation system, an adjustment system, an oxygen-enriched preheating system and an oxygen-enriched nozzle system. Air is filtered by the filter, enters the ventilator and is separated by the film device, so that oxygen-enriched air is obtained; the oxygen-enriched air is discharged into the gas-moisture separating, dehumidifying and pressure-stabilizing system by a vacuum pump; the oxygen-enriched air obtained through separation is preheated; and the preheated oxygen-enriched air is fed into a boiler to support combustion by the oxygen-enriched nozzle.
Description
Technical field
The present invention relates to a kind of combustion-supporting equipment that is applied to boilers such as fuel oil, fire coal and combustion gas.
Background technology
Whole oxygen enriching burning-aid process equipment (all combustion air volume all adopts oxygen-enriched air) must expend huge fund.
Summary of the invention
The purpose of this invention is to provide the local oxygen-enriched combustion-supporting of a kind of embrane method system, its advantage is: average energy-conservation 10.9%, raising the output 9.2%, obviously raising of quality, exhaust gas temperature and soot emissions significantly reduce, the working of a furnace is more steady, furnace life prolongs.
The objective of the invention is to realize through following technical scheme.
The local oxygen-enriched combustion-supporting of a kind of embrane method system comprises:
Filter: be connected with ventilation blower, choose filtration parameter according to ventilation, relevant index is: the dust of＞0.5 μ is removed rate greater than 99.9%, resistance＜0.3KPa;
Ventilation blower: export pipeline is connected to film device, and total head is about 9-15 times of oxygen-enriched air amount for the 2-3KPa. air quantity;
Film device: mainly all join case, rolled membrane module, vacuum divider and shell and form by air;
Vacuum system: comprise vavuum pump, control valve, vacuum control check valve, vacuum meter and water loop control; Get into vavuum pump behind the oxygen-enriched air process vacuum control check valve of film device outlet, control valve, the vacuum meter, and vacuumize back entering gas-water separation, dehumidification, voltage-stabilizing system through vavuum pump;
Gas-water separation, dehumidification, voltage-stabilizing system: formed by gas-water separation system, systems for moisture removal and voltage-stabilizing system set, purpose is on-the-spot easy to install and use.Comprise L type porous gas blender, regulating water level display, demist cover, blinds baffle plate, water inlet dehumidification case and compositions such as water level automatic control alarm device and blowoff valve;
Automatically controlled, adjusting, warning system: be installed in the inside of gas-water separation, dehumidification, voltage-stabilizing system, partly form by automatically controlled, adjusting and warning etc.;
The soft water circulatory system: comprise tubing pump and control valve etc.;
Regulating system: form by control valve etc.;
Oxygen enrichment pre-heating system: be connected with gas-water separation, dehumidification, voltage-stabilizing system, adopt the heat-resistant tube manufacturing;
Oxygen enrichment nozzle system: insert in the boiler, comprise compositions such as special heat resisting pipe and high-temperature metal flexible pipe.
Air filters laggard ventilation blower through filter, separates through film device then, obtains oxygen-enriched air; Oxygen-enriched air enters gas-water separation, dehumidification, voltage-stabilizing system through vavuum pump, and the oxygen-enriched air that obtains after the separation is delivered to boiler through the oxygen enrichment nozzle of design and carried out combustion-supporting through preheating.
This patent take local oxygen enriching integrated technique cleverly promptly use oxygen content that membrane oxygen enrichment technology obtains 28～32%, consumption is merely 1～10% oxygen-enriched air stream of total combustion air volume; Adopt unique nozzle ejection technology; Guarantee not flow under the condition of mixing, get into this part of fuel combustion zone at a high speed, obtain the effect identical with whole oxygenation with normal air; And has no side effect; As people having the same habits' steel will be added on the blade, oxygen enrichment should be added in the most aerobic place, made fuel can use minimum oxygen to come fully in time burning fully at this.
What this equipment change was traditional is the operation adjustment mode of theoretical foundation with combustion chemistry and kinetics of combustion; With film oxygen enriching local oxygen enriching burning-aid integrated system, change the new technology of burning condition, improve combustion flame temperature and flame blackness; With the local oxygen enriching is the basis, makes integral body go into the stove air and obviously reduces, and reduces air-supply, air inducing amount, reduces power consumption; Improve efficiency of combustion and boiler efficiency; Key is design, the layout of oxygen enrichment nozzle and comprehensively transfers excellent.Add to through oxygen-enriched air that fuel combustion zone needs can realize in the zone of oxygenation in the boiler: reduce the fuel ignition temperature, accelerate burning velocity, promote burning fully with certain oxygen concentration; Improve combustion zone temperature; Reduce exhaust smoke level, improve heat utilization efficiency; Reduce C, CO content in the smoke evacuation tail gas, reduce oke exhaust blackness; Reduce fume amount, reduce and produce the quantity of slag.
The local oxygen-enriched combustion-supporting technology of embrane method possesses following characteristics: as membrane oxygen enrichment technology itself, comparable Deep Cooling Method and pressure swing adsorption method (PSA method) reduce investment outlay about 1,4; The required oxygen-enriched air amount of local oxygen enriching burning-aid integrated system is merely 0.5～10% of whole oxygenation, and equipment investment is few, and payoff period is short, so become the main factor that membrane oxygen enrichment technology is able to penetration and promotion; Energy-conservation (3～30%) and raising the output (2～20%) effect are all very obvious; Equipment is simple, and is easy to operate, and security is good, and reliability is high, but freedom from repairs basically; Application is extensive, the pot of all using oil or gas or coal as fuel protects, heat protect, incinerator, pipestill for heat carrier, notes vapour stove, smelting furnace, Gas-making Furnace etc. all can adopt; Because combustion air volume can reduce 5～50%, efficiency of combustion improves, thus not only can significantly reduce discharge amount of exhaust gas, but also can improve the level up to standard of smoke evacuation greatly, and create good social benefit, become real high-efficient energy-saving environment friendly equipment.
Description of drawings
According to accompanying drawing and embodiment the present invention is done further explain below.
Fig. 1 is the structure chart of the local oxygen-enriched combustion-supporting of the described embrane method of embodiment of the invention system;
Fig. 2 is the position view of oxygen enrichment nozzle.
The specific embodiment
As shown in Figure 1, the local oxygen-enriched combustion-supporting of a kind of embrane method system comprises:
Filter 4: be connected with ventilation blower, choose filtration parameter according to ventilation, relevant index is: the dust of＞0.5 μ is removed rate greater than 99.9%, resistance＜0.3KPa;
Ventilation blower 5: export pipeline is connected to film device, and total head is about 9-15 times of oxygen-enriched air amount for the 2-3KPa. air quantity;
Film device 12: mainly all join case, rolled membrane module, vacuum divider and shell and form by air;
Vacuum system: comprise vavuum pump 6, control valve, vacuum control check valve, vacuum meter and water loop control; Get into vavuum pump 6 behind the oxygen-enriched air process vacuum control check valve that film device exports, control valve, the vacuum meter, and vacuumize back entering gas-water separation, dehumidification, voltage-stabilizing system 7 through vavuum pump 6;
Gas-water separation, dehumidification, voltage-stabilizing system 7: formed by gas-water separation system, systems for moisture removal and voltage-stabilizing system set, purpose is on-the-spot easy to install and use.Comprise L type porous gas blender, regulating water level display, demist cover, blinds baffle plate, water inlet dehumidification case and compositions such as water level automatic control alarm device and blowoff valve;
Automatically controlled, adjusting, warning system 8: be installed in the inside of gas-water separation, dehumidification, voltage-stabilizing system 7, partly form by automatically controlled, adjusting and warning etc.;
The soft water circulatory system: comprise tubing pump and control valve etc.;
Regulating system: form by control valve etc.;
Oxygen enrichment pre-heating system 9: be connected with gas-water separation, dehumidification, voltage-stabilizing system 7, adopt the heat-resistant tube manufacturing;
Oxygen enrichment nozzle system 10: insert in the boiler 11, comprise compositions such as special heat resisting pipe and high-temperature metal flexible pipe.
As shown in Figure 2, said oxygen enrichment nozzle 10 arranges in the form of a ring, the center oil burner nozzle 1 of attaching most importance to, and the outside is the natural gas nozzle of evenly arranging 3.
Air filters laggard ventilation blower through filter, separates through film device then, obtains oxygen-enriched air; Oxygen-enriched air enters gas-water separation, dehumidification, voltage-stabilizing system through vavuum pump, and the oxygen-enriched air that obtains after the separation is delivered to boiler through the oxygen enrichment nozzle of design and carried out combustion-supporting through preheating.
This patent take local oxygen enriching integrated technique cleverly promptly use oxygen content that membrane oxygen enrichment technology obtains 28～32%, consumption is merely 1～10% oxygen-enriched air stream of total combustion air volume; Adopt unique nozzle ejection technology; Guarantee not flow under the condition of mixing, get into this part of fuel combustion zone at a high speed, obtain the effect identical with whole oxygenation with normal air; And has no side effect; As people having the same habits' steel will be added on the blade, oxygen enrichment should be added in the most aerobic place, made fuel can use minimum oxygen to come fully in time burning fully at this.
What this equipment change was traditional is the operation adjustment mode of theoretical foundation with combustion chemistry and kinetics of combustion; With film oxygen enriching local oxygen enriching burning-aid integrated system, change the new technology of burning condition, improve combustion flame temperature and flame blackness; With the local oxygen enriching is the basis, makes integral body go into the stove air and obviously reduces, and reduces air-supply, air inducing amount, reduces power consumption; Improve efficiency of combustion and boiler efficiency; Key is design, the layout of oxygen enrichment nozzle and comprehensively transfers excellent.Add to through oxygen-enriched air that fuel combustion zone needs can realize in the zone of oxygenation in the boiler: reduce the fuel ignition temperature, accelerate burning velocity, promote burning fully with certain oxygen concentration; Improve combustion zone temperature; Reduce exhaust smoke level, improve heat utilization efficiency; Reduce C, CO content in the smoke evacuation tail gas, reduce oke exhaust blackness; Reduce fume amount, reduce and produce the quantity of slag.
The local oxygen-enriched combustion-supporting technology of embrane method possesses following characteristics: as membrane oxygen enrichment technology itself, comparable Deep Cooling Method and pressure swing adsorption method (PSA method) reduce investment outlay about 1,4; The required oxygen-enriched air amount of local oxygen enriching burning-aid integrated system is merely 0.5～10% of whole oxygenation, and equipment investment is few, and payoff period is short, so become the main factor that membrane oxygen enrichment technology is able to penetration and promotion; Energy-conservation (3～30%) and raising the output (2～20%) effect are all very obvious; Equipment is simple, and is easy to operate, and security is good, and reliability is high, but freedom from repairs basically; Application is extensive, and the boiler of all using oil or gas or coal as fuel, heating furnace, incinerator, pipestill for heat carrier, notes vapour stove, smelting furnace, Gas-making Furnace etc. all can adopt; Because combustion air volume can reduce 5～50%, efficiency of combustion improves, thus not only can significantly reduce discharge amount of exhaust gas, but also can improve this mark level of smoke evacuation greatly, and create good social benefit, become real high-efficient energy-saving environment friendly equipment.
Person skilled in the art should be familiar with; The above embodiment is used for explaining the object of the invention; And be not with opposing qualification of the present invention; As long as in essential scope of the present invention, variation, modification that the foregoing description is done all will drop in the claim scope of the present invention.
Claims (1)
1. the local oxygen-enriched combustion-supporting of an embrane method system is characterized in that, comprising:
Filter: be connected with ventilation blower;
Ventilation blower: export pipeline is connected to film device;
Film device: mainly all join case, rolled membrane module, vacuum divider and shell and form by air;
Vacuum system: comprise vavuum pump, control valve, vacuum control check valve, vacuum meter and water loop control; Get into vavuum pump behind the oxygen-enriched air process vacuum control check valve of film device outlet, control valve, the vacuum meter, and vacuumize back entering gas-water separation, dehumidification, voltage-stabilizing system through vavuum pump;
Gas-water separation, dehumidification, voltage-stabilizing system: form by gas-water separation system, systems for moisture removal and voltage-stabilizing system set;
Automatically controlled, adjusting, warning system: be installed in the inside of gas-water separation, dehumidification, voltage-stabilizing system, partly form by automatically controlled, adjusting and warning etc.;
Oxygen enrichment pre-heating system: be connected with gas-water separation, dehumidification, voltage-stabilizing system;
Oxygen enrichment nozzle system: insert in the boiler, comprise heat resisting pipe and high-temperature metal flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102220169A CN102313290A (en) | 2010-07-09 | 2010-07-09 | Film local oxygen-enriched combustion supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102220169A CN102313290A (en) | 2010-07-09 | 2010-07-09 | Film local oxygen-enriched combustion supporting system |
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| CN102313290A true CN102313290A (en) | 2012-01-11 |
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| CN2010102220169A Pending CN102313290A (en) | 2010-07-09 | 2010-07-09 | Film local oxygen-enriched combustion supporting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913938A (en) * | 2012-11-01 | 2013-02-06 | 北京卓英特科技有限公司 | Film method local oxygen-enriched combustion supporting system applied to energy conservation and emission reduction of industrial kiln |
| CN104033892A (en) * | 2014-06-28 | 2014-09-10 | 广西聚为能源科技有限公司 | Oxygen-enriched combustion method of volatilization klin |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200465A (en) * | 1997-05-26 | 1998-12-02 | 韩巨生 | Steam added combustion and multi-purpose hot water boiler |
| CN2643182Y (en) * | 2002-11-25 | 2004-09-22 | 沈光林 | A partially oxygen-enriching combustion-supporting system for boiler |
-
2010
- 2010-07-09 CN CN2010102220169A patent/CN102313290A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200465A (en) * | 1997-05-26 | 1998-12-02 | 韩巨生 | Steam added combustion and multi-purpose hot water boiler |
| CN2643182Y (en) * | 2002-11-25 | 2004-09-22 | 沈光林 | A partially oxygen-enriching combustion-supporting system for boiler |
Non-Patent Citations (1)
| Title |
|---|
| 上海市质量技术监督局特种设备监察处: "《工业锅炉节能技术》", 31 December 2009, 上海科学普及出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913938A (en) * | 2012-11-01 | 2013-02-06 | 北京卓英特科技有限公司 | Film method local oxygen-enriched combustion supporting system applied to energy conservation and emission reduction of industrial kiln |
| CN104033892A (en) * | 2014-06-28 | 2014-09-10 | 广西聚为能源科技有限公司 | Oxygen-enriched combustion method of volatilization klin |
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Application publication date: 20120111 |