CN102060430A - Combustion method for solar super-white embossed glass melting furnace and fuel distribution system - Google Patents
Combustion method for solar super-white embossed glass melting furnace and fuel distribution system Download PDFInfo
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- CN102060430A CN102060430A CN 201010569151 CN201010569151A CN102060430A CN 102060430 A CN102060430 A CN 102060430A CN 201010569151 CN201010569151 CN 201010569151 CN 201010569151 A CN201010569151 A CN 201010569151A CN 102060430 A CN102060430 A CN 102060430A
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Abstract
The invention relates to a combustion method for a solar super-white embossed glass melting furnace and a fuel distribution system. A mixed combustion process of natural gas and petroleum coke powder is adopted, the introducing speed of the natural gas into a burner is 470 to 490N.m<3>/h, and meanwhile, the adding speed of the matched petroleum coke powder is 70 to 90kg/h. The method mainly solves the technical problem that the energy consumption is increased when the heavy oil is changed into pure natural gas for combustion in the conventional combustion method for the solar super-white embossed glass melting furnace, and is capable of improving the carbon black content of natural gas flame so as to improve the heat radiation rate of the flame, enhance heat exchange with molten glass and reduce the exhaust gas temperature.
Description
Technical field
The present invention relates to thermal technology's firing system equipment, particularly a kind of combustion method of solar energy ultra-white configurated glass melting furnaces and the fuel delivery system of solar energy ultra-white configurated glass melting furnaces, production.
Background technology
Along with the release and the Energy restructuring of national energy-saving and emission-reduction policy, the feed rate of Sweet natural gas constantly increases.Sweet natural gas is as a kind of cleaning, the energy efficiently, with all having obtained sufficient popularization and utilization on thermal technology's firing system equipment of industry-by-industry.Nowadays adopting Sweet natural gas to act as a fuel at the glass industry melting furnaces increases day by day.But change the service condition demonstration of gas merely from oil, list is relatively more not energy-conservation with regard to heat exhaustion, increased by 5% ~ 10% energy consumption on the contrary, yet said the steam that needed when having reduced oil firing, compressed gas etc. in the side, what is more important has reduced airborne release and has polluted and the desulfurization energy consumption.
At present, when heavy oil changes the pure natural gas firing into, the reason that not anti-reflection of energy consumption increases mainly is: under the calorific value combustion case, that the Sweet natural gas flue gas discharge capacity increases is about 10%, because factor affecting such as the flame radiaton heat is low, the lengths of flame, cause the Sweet natural gas funnel temperature to raise about 100 ℃, calorific loss is increased in furnace outlet place temperature.
The important parameter that glass melter influences the radiative transfer process is the blackness of flue gas, the big more then radiation capacity of blackness of exhaustion is strong more, when adopting combustion of natural gas, because the C/H ratio is little, blackness only 0.2 when flameless combustion, blackness is 0.6 low than the heavy oil flame blackness during flaming combustion, causes combustion of natural gas flame radiation heat less, and flue-gas temperature raises.
Summary of the invention
The object of the present invention is to provide a kind of combustion method and fuel delivery system of solar energy ultra-white configurated glass melting furnaces, mainly solve when heavy oil changes the pure natural gas firing in the combustion method that has the solar energy ultra-white configurated glass melting furnaces now, the technical problem that not anti-reflection of energy consumption increases, thereby it can improve the thermal emissivity rate of the content of carbon black raising flame in the Flame of Natural Gas, the heat exchange of enhancing and glass metal reduces funnel temperature.
For achieving the above object, the present invention realizes like this.
A kind of combustion method of solar energy ultra-white configurated glass melting furnaces is characterized in that: the technology that it adopts Sweet natural gas and petroleum coke powder to mix combustion, the adding speed of Sweet natural gas is 470-490N.m in the described burner
3/ h, the adding speed that cooperates petroleum coke powder simultaneously is 70-90kg/h.
A kind of enforcement is the fuel delivery system of method as mentioned above, it is characterized in that: it comprises that petroleum coke powder storehouse, pressurized air input aperture, Sweet natural gas add inlet; To burner, and this pipeline is by the petroleum coke powder storehouse and be with petroleum coke powder to send into burner by pipeline connection in described pressurized air input aperture; Described Sweet natural gas adds inlet and also arrives burner by pipeline connection.
Described fuel delivery system is characterized in that: described burner is the burning rifle, and it has the tracheae that the outer end connects the natural gas spraying gun head, has the tube cell that the outer end connects the powder lance head in this tracheae, is the gas transmission space between this tube cell outer wall and the inner surface of trachea; Described powder lance head outer wall is equipped with spiricle.
Described fuel delivery system is characterized in that: keep support and connection by support between between described tube cell outer wall and the inner surface of trachea.
Described fuel delivery system is characterized in that: described natural gas spraying gun head is connected by helicitic texture with tracheae; Described powder lance head also is connected by helicitic texture with tube cell.
Described fuel delivery system is characterized in that: the outlet of described petroleum coke powder storehouse has the powder of joining pump, and the described pipeline connection that is connected with the pressurized air input aperture is to joining in the powder pump.
Described fuel delivery system is characterized in that: also be provided with L ball valve, variable valve, electrical ball valve, tensimeter, check valve, metallic hose, rapid-acting coupling, vacuum breaker and under meter on the described pipeline.
The invention has the advantages that: the present invention adopts a kind of combustion method and fuel delivery system of Sweet natural gas mixing petroleum coke powder, and they can under equal conditions capable of reducing energy consumption about 5～8%.And reaching the steam that needs when reducing oil firing, compressed gas etc. equally, what is more important has reduced airborne release and has polluted and the desulfurization energy consumption.
Description of drawings
Fig. 1 is the structural representation of fuel delivery system of the present invention.
Fig. 2 is a burner fuel spout structure synoptic diagram in the fuel delivery system of the present invention.
Embodiment
See also Fig. 1, the invention discloses a kind of fuel delivery system of solar energy ultra-white configurated glass melting furnaces.As shown in the figure: it comprises that petroleum coke powder storehouse 1, pressurized air input aperture 2, Sweet natural gas add inlet 3; To burner 4, and this pipeline is by petroleum coke powder storehouse 1 and be with petroleum coke powder to send into burner 4 by pipeline connection in described pressurized air input aperture 2; Described Sweet natural gas adds inlet 3 and also arrives burner 4 by pipeline connection.Also be provided with L ball valve 51, variable valve 52, electrical ball valve 53, tensimeter 54, check valve 55, metallic hose 56, rapid-acting coupling 57, vacuum breaker 58 and under meter 59 on the described pipeline.1 outlet of described petroleum coke powder storehouse has the powder of joining pump 11, and the described pipeline connection that is connected with pressurized air input aperture 2 is to joining in the powder pump 11.
See also Fig. 2 again, described burner 4 is burning rifles, and it has the tracheae 41 that the outer end connects natural gas spraying gun head 411, has the tube cell 42 that the outer end connects powder lance head 421 in this tracheae 41, is the gas transmission space between these tube cell 42 outer walls and tracheae 41 inwalls; Described powder lance head 421 outer walls are equipped with spiricle 422.Keep support and connection by support 43 between between described tube cell 42 outer walls and tracheae 41 inwalls.Described natural gas spraying gun head 411 is connected by helicitic texture 412 with tracheae 41; Described powder lance head 421 also is connected by helicitic texture 423 with tube cell 42.
Because described powder lance head 421 outer walls are equipped with spiricle 422, therefore, by quantitatively air conveying petroleum coke powder is being sent in the kiln when mixing combustion with Sweet natural gas simultaneously, as long as control petroleum coke powder spouting velocity just can make the flame root form an eddy current recirculating zone, this can produce the effect of entrainmenting to Sweet natural gas and secondary air, be beneficial to oxygen and fuel thorough mixing, the gas powder will produce a large amount of carbon blacks when mixing combustion, and the backflow of Sweet natural gas simultaneously also helps separating out of carbon black, makes flame brighter.Along with the additional proportion raising of coke powder amount, the flame radiaton heat-exchange capacity is strengthened, and flue-gas temperature reduces relatively.
See also table, it is to have utilized fuel delivery system of the present invention to carry out the specific embodiment of the solar energy ultra-white configurated glass melting furnaces combustion method of gas powder propellant combination dispensing, and the speed that embodiment (sequence number) 1-6 sends into according to gas powder propellant combination is carried out the implementation result contrast.
[0021]Shown in last table: the adding speed of Sweet natural gas is 480N.m in described burner
3/ h, the adding speed that cooperates petroleum coke powder simultaneously is 80kg/h, and funnel temperature descends about 100 ℃, and combustion air reduces 7.5%, and it is about 7% that heat exhaustion reduces, implementation result the best.
Show that by other test the adding speed of Sweet natural gas is 470-490N.m in the described burner again
3/ h, the adding speed that cooperates petroleum coke powder simultaneously is 70-90kg/h, all goes for the technology of the present invention.
Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (7)
1. the combustion method of solar energy ultra-white configurated glass melting furnaces is characterized in that: the technology that its adopts Sweet natural gas and petroleum coke powder to mix combustion, the adding speed of Sweet natural gas is 470-490N.m in the described burner
3/ h, the adding speed that cooperates petroleum coke powder simultaneously is 70-90kg/h.
2. implement the fuel delivery system of method according to claim 1 for one kind, it is characterized in that: it comprises that petroleum coke powder storehouse (1), pressurized air input aperture (2), Sweet natural gas add inlet (3); To burner (4), and this pipeline is by petroleum coke powder storehouse (1) and be with petroleum coke powder to send into burner (4) by pipeline connection in described pressurized air input aperture (2); Described Sweet natural gas adds inlet (3) and also arrives burner (4) by pipeline connection.
3. fuel delivery system according to claim 2, it is characterized in that: described burner (4) is the burning rifle, it has the tracheae (41) that the outer end connects natural gas spraying gun head (411), the tube cell (42) that has outer end connection powder lance head (421) in this tracheae (41) is the gas transmission space between this tube cell (42) outer wall and tracheae (41) inwall; Described powder lance head (421) outer wall is equipped with spiricle (422).
4. fuel delivery system according to claim 3 is characterized in that: keep support and connection by support (43) between between described tube cell (42) outer wall and tracheae (41) inwall.
5. according to claim 3 or 4 described fuel delivery systems, it is characterized in that: described natural gas spraying gun head (411) is connected by helicitic texture (412) with tracheae (41); Described powder lance head (421) also is connected by helicitic texture (423) with tube cell (42).
6. according to claim 2 or 3 or 4 described fuel delivery systems, it is characterized in that: described petroleum coke powder storehouse (1) outlet has the powder of joining pump (11), and the described pipeline connection that is connected with pressurized air input aperture (2) is to joining in the powder pump (11).
7. according to claim 2 or 3 or 4 described fuel delivery systems, it is characterized in that: also be provided with L ball valve (51), variable valve (52), electrical ball valve (53), tensimeter (54), check valve (55), metallic hose (56), rapid-acting coupling (57), vacuum breaker (58) and under meter (59) on the described pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010569151 CN102060430A (en) | 2010-12-02 | 2010-12-02 | Combustion method for solar super-white embossed glass melting furnace and fuel distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010569151 CN102060430A (en) | 2010-12-02 | 2010-12-02 | Combustion method for solar super-white embossed glass melting furnace and fuel distribution system |
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| CN102060430A true CN102060430A (en) | 2011-05-18 |
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| CN 201010569151 Pending CN102060430A (en) | 2010-12-02 | 2010-12-02 | Combustion method for solar super-white embossed glass melting furnace and fuel distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482851A (en) * | 2013-09-09 | 2014-01-01 | 佛山市沛沣科技有限公司 | Low-pressure powdered fuel conveying system for small and medium-sized glass smelting furnace |
| CN110845119A (en) * | 2019-12-06 | 2020-02-28 | 武汉理工大学 | Method for co-firing petroleum coke powder and heavy oil in float glass kiln |
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| CN86104299A (en) * | 1985-06-25 | 1987-03-11 | Ppg工业公司 | The raw material of using with solid fuel or fuel-batch mixtures molten glass or analogous material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482851A (en) * | 2013-09-09 | 2014-01-01 | 佛山市沛沣科技有限公司 | Low-pressure powdered fuel conveying system for small and medium-sized glass smelting furnace |
| CN103482851B (en) * | 2013-09-09 | 2015-12-23 | 陈晓玲 | For the pulverized fuel low-pressure delivery system of middle-size and small-size glass-melting furnace |
| CN110845119A (en) * | 2019-12-06 | 2020-02-28 | 武汉理工大学 | Method for co-firing petroleum coke powder and heavy oil in float glass kiln |
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Application publication date: 20110518 |