CN201363749Y - Membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system - Google Patents
Membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system Download PDFInfo
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- CN201363749Y CN201363749Y CNU2009200237929U CN200920023792U CN201363749Y CN 201363749 Y CN201363749 Y CN 201363749Y CN U2009200237929 U CNU2009200237929 U CN U2009200237929U CN 200920023792 U CN200920023792 U CN 200920023792U CN 201363749 Y CN201363749 Y CN 201363749Y
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- oxygen
- preheater
- rich air
- oxygen rich
- nozzle
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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
Abstract
The utility model provides a membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system, wherein, filter wool is fixed at an inlet of an efficient air filter, an outlet of an air supply device is connected to a preheater through an oxygen enrichment membrane device, a vacuum pump and a gas-water separation device in sequence, and a plurality of enriched oxygen injection nozzles are connected to a combustion furnace with a plurality of fuel injection nozzles. The utility model is characterized in that a chemical filter, a preheater protection device, an enriched oxygen splitter and an injection nozzle fine-tuning device are added, wherein, the chemical filter is connected between an outlet of the efficient air filter and the air supply device, an inlet of the enriched oxygen splitter is connected to an outlet of the preheater, a plurality of outlets of the enriched oxygen splitter are connected to the enriched oxygen injection nozzles respectively, the injection nozzle fine-tuning device is arranged on a pipeline connected between the outlet of the enriched oxygen splitter and the enriched oxygen nozzles, and the preheater protection device is arranged on a pipeline connected between the preheater, the gas-water separation device and the enriched oxygen splitter, and two valves as well as an air inlet pipe and an upright exhaust pipe provided with valves are included. The system has the advantages of reasonable structure and excellent working performance.
Description
Technical field
The utility model relates to a kind of film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system that is used for combustion heating furnace and incinerator, belongs to the oxygen-enriched combustion-supporting field of energy-saving technology.
Background technology
Film oxygen enriching local oxygen enriching burning-aid technology has been used existing more than ten years in China's research, and more than the existing tens of families of the combustion furnace of using, multinomial patent also has been born simultaneously.But really can the marketization have only several families such as Chinese Academy of Sciences membrane technology national project research center.Its main technique is: air is successively through after filter pulp and the high efficiency particle air filter filtration, send into the oxygen permeable membrane device by pressure fan, the pure air on oxygen permeable membrane surface of flowing through is detached oxygen permeable membrane by the vavuum pump barrier film, and to become concentration be 27%～31% wet oxygen rich air, these wet oxygen rich air are sent into gas-water separation system demist dehumidification and are become the oxygen rich air of doing, and send into the preheater preheating then after the oxygen enrichment nozzle is sent into combustion centre.
The oxygen-enriched combustion-supporting power-saving technology has had large development through application, the improvement of more than ten years, is research, the improvement of the selectivity and the transmitance of oxygen permeable membrane but people mainly pay attention to, compares less for the research of combustion-supporting application technology.Along with being becoming tight the day of the energy and country improves constantly and people's awareness of saving energy is strengthened gradually requirements of saving energy, some shortcomings of oxygen-enriched combustion-supporting energy conserving system also constantly display.I find through in a few years research and experiment, current oxygen-enriched combustion-supporting energy conserving system am carried out some improvement just can improve energy-saving efficiency largely, and can prolong the service life of system equipment largely.At first, existing systems can not may contain the organic gas that a large amount of meeting burn intos dissolve oxygen permeable membranes in the filtering air; The oxygen enrichment preheater can be by long-time high-temperature baking and scaling loss when secondly, oxygen-enriching device was stopped using; The 3rd, each oxygen enrichment nozzle is because of with preheater outlet distance, right and wrong, path with turn to differently, and its oxygen rich air scale of construction of flowing through is different, so just can't realize that real symmetry burns; The 4th, the preheater of tiling is unfavorable to the expansion and the flow velocity of oxygen rich air; The 5th, in the mode of current punching or welding the oxygen enrichment nozzle is installed and is difficult to nozzle is installed to the optimum position; The 6th, the circular or flat nozzle of current use can not utilize fluidics that oxygen rich air is fully mixed with fuel well.
The utility model content
The purpose of this utility model provides a kind of film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system that can overcome above-mentioned defective, excellent working performance.Its technical scheme is:
Comprise filter cotton; high efficiency particle air filter; air-supply arrangement; the oxygen permeable membrane device; vavuum pump; gas and water separator; preheater and a plurality of oxygen rich air nozzle; wherein filter cotton is fixed on the inlet of high efficiency particle air filter; the outlet of air-supply arrangement is successively through the oxygen permeable membrane device; vavuum pump; gas and water separator connects preheater; a plurality of oxygen rich air nozzles are equipped with the combustion furnace of a plurality of fuel nozzles; it is characterized in that: set up chemical filter; the preheater protective device; oxygen rich air divider and nozzle micro actuator; wherein chemical filter is connected between the outlet and air-supply arrangement of high efficiency particle air filter; the inlet of oxygen rich air divider connects the outlet of preheater; a plurality of outlets of oxygen rich air divider correspondence respectively connect the oxygen rich air nozzle; the nozzle micro actuator is arranged on the pipeline that the oxygen rich air divider exports with the oxygen rich air nozzle is connected; the preheater protective device is arranged on preheater and gas and water separator and the pipeline that the oxygen rich air divider is connected; the air inlet pipe and the upright blast pipe that comprise two valves and be provided with valve; upright blast pipe is high 4～10 meters, and two valves are separately positioned on preheater and gas and water separator and the pipeline that the oxygen rich air divider is connected.
Described film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system, the cross section of each oxygen rich air nozzle is triangular in shape or semicircle, the axis of oxygen rich air nozzle and the axis of fuel nozzle are in a certain angle, angular range is at 5 degree～15 degree, a plurality of oxygen rich air nozzle symmetries be distributed on each fuel nozzle around, the stupefied line of triangle or the arc surface central point of oxygen rich air nozzle close on fuel nozzle.
Described film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system, preheater adopts the hot supercharging preheater of gradient formula, comprises the economizer bank of many series connection, and every economizer bank is in a certain angle with level, and angular range is spent at 10 degree～90.
Described film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system, each nozzle micro actuator comprises a becket, be installed in a plurality of adjusting bolts and a center support ring on the becket perpendicular to becket axis screw thread, the pipeline that wherein connects outlet of oxygen rich air divider and oxygen rich air nozzle passes becket and center support ring in the gap successively, connect the oxygen rich air nozzle, a plurality of adjusting bolts are distributed on the becket, conflict on pipeline in the end, bolt is regulated in rotation can regulate pipeline in becket and the position in the center support ring, thereby regulate the angle of pipeline, and then adjust the spray angle of oxygen rich air nozzle.
Its operation principle is: air is through filter pulp; high efficiency particle air filter and chemical filter three-stage filtration; after removing the particulate and the part organic component in the gas of 99.99% diameter more than 0.5 μ; send into rolling oxygen permeable membrane in the oxygen permeable membrane device by air-supply arrangement; utilizing water-ring vacuum pump that the pure air membrane filtration of flowing through in the rolling oxygen permeable membrane is separated extracts out; the gas of extracting out is concentration at 27%～31% oxygen-enriched air; after these oxygen-enriched air become the oxygen-enriched air of comparison drying through gas and water separator; the preheater protective device of flowing through; preheater and oxygen rich air divider; be distributed to the oxygen rich air nozzle, be ejected into fuel combustion center combustion-supporting and energy-saving.For making the not long high temperature scaling loss of quilt when oxygen rich air is stopped using of preheater, before oxygen-enriched air stops, open the valve on the upright blast pipe earlier, close the valve between preheater and the oxygen rich air divider then, hot gas rising principle in the upright blast pipe of utilization up to 4～10 meters, make upright blast pipe produce a kind of power of upwards dialling, hot gas in the preheater is taken out of, with the valve open on the air inlet pipe, after stopping, oxygen-enriched air closes the valve that connects on preheater and the gas and water separator pipeline at last then.
The utility model compared with prior art has following advantage:
1, air has been protected the serviceability and the service life that has prolonged oxygen permeable membrane of oxygen permeable membrane through filter pulp, high efficiency particle air filter and chemical filter three-stage filtration;
2, because preheater is in hot environment for a long time, if oxygen-enriched air stops the preheater of flowing through, the Guan Wen of oxygen rich air economizer bank will be very fast near the temperature in the burner hearth, preheater just is easy to by scaling loss like this, so set up the preheater protective device, before oxygen-enriched air stops, open the valve on the upright blast pipe earlier, close the valve between preheater and the oxygen rich air divider then, hot gas rising principle in the upright blast pipe of utilization up to 4～10 meters, make upright blast pipe produce a kind of power of upwards dialling, hot gas in the preheater is taken out of, then with the valve open on the air inlet pipe, the last valve that connects on preheater and the gas and water separator pipeline of after oxygen-enriched air stops, closing, preheater is being stopped for having continuous gas to flow through in also can holding tube behind the oxygen-enriched air and the economizer bank temperature is reduced, thereby reach the effect of protection preheater;
3, before each oxygen rich air nozzle, increase an oxygen rich air divider, realize with the equilibrium that guarantees the symmetry burning;
4, increase the nozzle micro actuator for the oxygen rich air nozzle, deliver to combustion centre to guarantee that limited oxygen-enriched air can farthest be penetrated;
5, preheater adopts the hot supercharging preheater of gradient formula, make the gas of constantly heating in the preheater and constantly expanding, the power that rises that generation is risen and continued to increase with the economizer bank angle of gradient, increase the pressure (power) of oxygen rich air nozzle ejection, thereby performance fluidics effect makes the limited oxygen-enriched air can be combustion-supporting with fuel mix more fully, the hot supercharging preheater of gradient formula is equivalent to a pipe pressurizing pump, but it has saved the consumption of electric power.
6, utilize triangle or semicircle oxygen rich air nozzle and fluidics, the formed oxygen enrichment inlet zone of jet of a plurality of oxygen rich air nozzles that center on each fuel nozzle is overlapped in combustion centre's formation, thereby make the combustion centre of anoxic can obtain the most sufficient oxygen rich gas, make limited oxygen-enriched air enter combustion centre to greatest extent and fuel mix is combustion-supporting, and then make fuel combustion fully reach energy-conservation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of middle preheater embodiment illustrated in fig. 1;
Fig. 3 be embodiment illustrated in fig. 1 in fuel nozzle and around oxygen rich air structure of nozzle schematic diagram;
Fig. 4 is a middle oxygen rich air nozzle throat area embodiment illustrated in fig. 3 A-A profile triangular in shape;
Fig. 5 is the A-A profile of middle oxygen rich air nozzle throat area embodiment illustrated in fig. 3 semicircular in shape.
Among the figure: 1, filter cotton 2, high efficiency particle air filter 3, chemical filter 4, air-supply arrangement 5, oxygen permeable membrane device 6, vavuum pump 7, gas and water separator 8, upright blast pipe 9, preheater 10, oxygen rich air divider 11, becket 12, center support ring 13, oxygen rich air nozzle 14, combustion furnace 15, adjusting bolt 16, air inlet pipe 17, valve 18, fuel nozzle 19, economizer bank
The specific embodiment
In the embodiment shown in Fig. 1-4: filter cotton 1 is fixed on the inlet of high efficiency particle air filter 2, chemical filter 3 is connected between the outlet and air-supply arrangement 4 of high efficiency particle air filter 2, the outlet of air-supply arrangement 4 is successively through oxygen permeable membrane device 5, vavuum pump 6, gas and water separator 7 connects preheater 9, preheater 9 adopts the hot supercharging preheater of gradient formula, the economizer bank 19 that comprises many series connection, every economizer bank 19 is 30 degree angles with level, the output termination oxygen rich air divider 10 of preheater 9, a plurality of outlets of oxygen rich air divider 10 correspondence respectively connect oxygen rich air nozzle 13, the bilateral symmetry of each fuel nozzle 18 is provided with an oxygen rich air nozzle 13 on the combustion furnace 14, the cross section of each oxygen rich air nozzle 13 is triangular in shape, the axis of the axis of oxygen rich air nozzle 13 and fuel nozzle 18 is 10 degree angles, and a stupefied line of triangle of each oxygen rich air nozzle 13 closes on fuel nozzle 18.The preheater protective device is arranged on preheater 9 and gas and water separator 7 and the pipeline that oxygen rich air divider 10 is connected; the air inlet pipe 16 and the upright blast pipe 8 that comprise two valves 17 and be provided with valve 17; upright blast pipe 8 is high 6 meters, and two valves 17 are separately positioned on preheater 9 and gas and water separator 7 and the pipeline that oxygen rich air divider 10 is connected.On the outlet of oxygen rich air divider 10 and every pipeline that oxygen rich air nozzle 13 is connected, a nozzle micro actuator is set all, each nozzle micro actuator comprises a becket 11, be installed on the becket 11 four perpendicular to becket 11 axis screw threads and regulate bolts 15 and a center support becket 12, the pipeline that wherein connects 10 outlets of oxygen rich air divider and oxygen rich air nozzle 13 passes becket 11 and center support becket 12 in the gap successively, regulating bolt 15 for four is distributed on the becket 11, conflict on pipeline in the end, rotation regulate bolt 15 can regulate pipeline becket 11 in center support ring 12 in the position, thereby regulate the angle of pipeline, and then adjust the spray angle of oxygen rich air nozzle 13.
In the embodiment shown in fig. 5: the bilateral symmetry of each fuel nozzle 18 is provided with the oxygen rich air nozzle 13 of a cross section semicircular in shape, the arc surface central point of oxygen rich air nozzle 13 closes on fuel nozzle 18, and the axis of the axis of oxygen rich air nozzle 13 and fuel nozzle 18 is 12 degree angles.
Claims (4)
1; a kind of film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system; comprise filter cotton (1); high efficiency particle air filter (2); air-supply arrangement (4); oxygen permeable membrane device (5); vavuum pump (6); gas and water separator (7); preheater (9) and a plurality of oxygen rich air nozzle (13); wherein filter cotton (1) is fixed on the inlet of high efficiency particle air filter (2); the outlet of air-supply arrangement (4) is successively through oxygen permeable membrane device (5); vavuum pump (6); gas and water separator (7) connects preheater (9); a plurality of oxygen rich air nozzles (13) are equipped with the combustion furnace (14) of a plurality of fuel nozzles (18); it is characterized in that: set up chemical filter (3); the preheater protective device; oxygen rich air divider (10) and nozzle micro actuator; wherein chemical filter (3) is connected between the outlet and air-supply arrangement (4) of high efficiency particle air filter (2); the inlet of oxygen rich air divider (10) connects the outlet of preheater (9); a plurality of outlets of oxygen rich air divider (10) correspondence respectively connect oxygen rich air nozzle (13); the nozzle micro actuator is arranged on the pipeline that oxygen rich air divider (10) exports with oxygen rich air nozzle (13) is connected; the preheater protective device is arranged on preheater (9) and gas and water separator (7) and the pipeline that oxygen rich air divider (10) is connected; the air inlet pipe (16) and the upright blast pipe (8) that comprise two valves (17) and be provided with valve (17); upright blast pipe (8) is high 4～10 meters, and two valves (17) are separately positioned on preheater (9) and gas and water separator (7) and the pipeline that oxygen rich air divider (10) is connected.
2, film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system according to claim 1, it is characterized in that: the cross section of each oxygen rich air nozzle (13) is triangular in shape or semicircle, the axis of the axis of oxygen rich air nozzle (13) and fuel nozzle (18) is in a certain angle, angular range is at 5 degree～15 degree, a plurality of oxygen rich air nozzles (13) symmetry be distributed on each fuel nozzle (18) around, the stupefied line of triangle or the arc surface central point of oxygen rich air nozzle (13) close on fuel nozzle (18).
3, film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system according to claim 1, it is characterized in that: preheater (9) adopts the hot supercharging preheater of gradient formula, the economizer bank (19) that comprises many series connection, every economizer bank (19) is in a certain angle with level, and angular range is at 10 degree～90 degree.
4, film oxygen enriching local oxygen enriching symmetry burning jet combustion supporting energy conserving system according to claim 1, it is characterized in that: each nozzle micro actuator comprises a becket (11), be installed in a plurality of adjusting bolts (15) and a center support becket (12) on the becket (11) perpendicular to becket (11) axis screw thread, the pipeline that wherein connects oxygen rich air divider (10) outlet and oxygen rich air nozzle (13) passes becket (11) and center support becket (12) in the gap successively, a plurality of adjusting bolts (15) are distributed on the becket (11), conflict on the oxygen rich air pipeline in the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200237929U CN201363749Y (en) | 2009-03-16 | 2009-03-16 | Membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200237929U CN201363749Y (en) | 2009-03-16 | 2009-03-16 | Membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system |
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| CN201363749Y true CN201363749Y (en) | 2009-12-16 |
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| CNU2009200237929U Expired - Fee Related CN201363749Y (en) | 2009-03-16 | 2009-03-16 | Membrane method oxygen enrichment, local oxygenation symmetrical combustion jet and combustion-supporting energy-saving system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776277A (en) * | 2010-02-27 | 2010-07-14 | 魏伯卿 | Method and device for improving heat efficiency of combustion furnace by oxygen-rich partial oxygen-enriched jet flow combustion supporting |
| CN101893254A (en) * | 2010-09-03 | 2010-11-24 | 魏伯卿 | Method and device for improving production load of combustion furnace by oxygen enrichment and local oxygenation jet combustion supporting |
-
2009
- 2009-03-16 CN CNU2009200237929U patent/CN201363749Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776277A (en) * | 2010-02-27 | 2010-07-14 | 魏伯卿 | Method and device for improving heat efficiency of combustion furnace by oxygen-rich partial oxygen-enriched jet flow combustion supporting |
| CN101776277B (en) * | 2010-02-27 | 2012-07-04 | 魏伯卿 | Method and device for improving heat efficiency of combustion furnace by oxygen-rich partial oxygen-enriched jet flow combustion supporting |
| CN101893254A (en) * | 2010-09-03 | 2010-11-24 | 魏伯卿 | Method and device for improving production load of combustion furnace by oxygen enrichment and local oxygenation jet combustion supporting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20130316 |