CN206529399U - A kind of glass melter of submerged combustion heating - Google Patents
A kind of glass melter of submerged combustion heating Download PDFInfo
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- CN206529399U CN206529399U CN201720173292.8U CN201720173292U CN206529399U CN 206529399 U CN206529399 U CN 206529399U CN 201720173292 U CN201720173292 U CN 201720173292U CN 206529399 U CN206529399 U CN 206529399U
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- 239000011521 glass Substances 0.000 title claims abstract description 78
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 44
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 230000008018 melting Effects 0.000 claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000011819 refractory material Substances 0.000 claims abstract description 21
- 239000000567 combustion gas Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 230000005587 bubbling Effects 0.000 claims abstract description 5
- 230000004927 fusion Effects 0.000 claims abstract description 4
- 239000002243 precursor Substances 0.000 claims abstract description 4
- 238000000151 deposition Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000005352 clarification Methods 0.000 claims description 3
- 239000000156 glass melt Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 17
- 239000000155 melt Substances 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
A kind of glass melter of submerged combustion heating, it is characterized in that：On the refractory material for constituting glass melter kiln bottom, gather and be arranged with large number of passage, they are communicated with extraneous air delivering pipeline；Combustion gas and combustion-supporting qi leel are not sent into the glass metal in molten bath by these passages with jet or bubbling mode；Wherein it is separated by certain spacing between combustion gas stomata and combustion-supporting gas stomata, combustion gas and combustion-supporting gas is independently sent into by respective pipeline in kiln；In glass precursor solution upper surface, all the time covered with one layer of raw materials batch layer fusion, the combustion product gases in glass metal are escaped through this bed of material, and by with being drained after bed of material heat exchange cooling；Imperfect combustion combustion gas in combustion product gases, meets oxygen combustion, and give raw materials batch heating in glass metal surface and raw materials batch layer；As raw materials batch layer bottom constantly melts, top layer constantly spreads the new bed of material, and melting furnaces just can continuously produce required glass metal.
Description
Technical field
The glass melter of glass melter, particularly submerged combustion heating.
Background technology
At present, surface heated method is used with fuel continuous melting glass metal.It has it is several be difficult to overcome lack
Point：One is that the thermal efficiency is relatively low, and thermal losses is serious；Two be that melting rate is relatively low；Three be fuel gas temperature height, the stream of melting tank combustion space
It is fast big, very fast is corroded to kiln refractory material, kiln service life is reduced.In order to save the energy, reduce and discharge and reduce into
This simultaneously improves kiln service life, is all exploring more effective heating means instead of surface heating, such as submerged combustion both at home and abroad
And heated by electrodes.
But, so far, so-called submerged combustion is to insert gaseous fuel combustion device in kiln from kiln bottom, makes the useless of burning
Gas is injected directly into the glass metal of molten bath with high temperature and high speed, stirs glass metal, and most of heat is transmitted into glass metal and cooperation
Material, makes frit melt rapidly.
This method not only can be such that the heat of burning gases is fully absorbed by glass metal, and heat loss is small, and melting rate is high, energy-conservation
Effect is very notable（The melting rate of submerged combustion method is introduced up to 9 ~ 10 ton/square metre days, per kilogram glass metal heat by foreign countries
Consumption is below 1000 kilocalories）.And because high-temperature gas is seethed, stirring action is risen to glass metal, makes the glass metal in pond more equal
It is even.Again because the EGT for leaving glass metal is basic identical with the temperature of watch crystal liquid in molten bath, thus reduce melting furnaces
The temperature in space, extends the service life of kiln.
Submerged combustion method has a many advantages, therefore U.S., day, method, the E Deng states including China are all successively carried out
In-depth study and experiment, but up to the present do not succeeded in large-scale industrial application.
The reason is that the method for this traditional submerged combustion has insoluble problem：1st, clear up problems：To
When combustion gas and air mixture are sprayed into glass metal (combustion product), the operating condition of nozzle is relatively difficult, only mixed gas
When consumption is substantially exceeded with air or dry drum armful, founding can just be normally carried out.Because the fierce bubbling of glass metal is seethed, make glass
Glass liquid show bubble, the minute gas field trash of itself significantly increases, therefore, makes glass metal clarification highly difficult.2nd, fuel is asked
Topic：Occlusion or the blub composition being mingled with do not participate in the inactive gas of reaction, that is, fuel combustion mainly in the melt
The nitrogen discharged in journey, such as：It is nitrogenous with the combustion product produced by the submerged combustion nozzle of the air gas mixture of natural gas one
Amount is more than 70%, and general combustion method then allows nitrogen content in combustion product to be no more than 30%, for plate glass, then
Preferably no more than 10% (weight).Therefore, this is also the main cause more than air inclusions.Can effectively it be solved with pure oxygen burning technique
Certainly above-mentioned two problems, but be that flame temperature is too high the problem of bring, nozzle deteriorates too fast, can not compensate or change again. 3、
Combustor problem：Because burner is submerged in the melt, its quality, riding position and operational control are all required than ever
Strictly, otherwise, once burning is broken down, glass metal is entered its interior solidification of people, then can not be continuing with.In addition, working as glass metal
When reaching certain depth, not enough, flame does not enter glass metal then to the impulse force of nozzle, and refractory material sprays from the side.Qinhuangdao glass
Glass research institute just ran into test such case.Reducing nozzle diameter can solve the above problems, but can cause the combustion heat
The problem of amount is not enough.4th, refractories：Because glass metal is acutely seethed in kiln, superstructure space can be sputtered
The glass metal come is washed away, the need for general silica brick and chrome brick does not adapt to this melting furnaces.When in the multiple burnings of bottom of pond setting
During nozzle, it can also weaken the intensity of refractory material.In addition, the natural gas that burnt such as in liquation is (to feed the 7- of total amount in kiln
10%), heat exchange can be greatly reinforced.The amount of natural gas directly burnt in melting furnaces is improved too much, and refractory material is tight by erosion
Weight.5th, the fluctuation of viscosity of glass metal, bleed pressure and flow, the influence to mixture pressure and spray speed is very big, is difficult to it
Long term constant it is maintained in glass metal and burns, easily causes de- fire or tempering phenomenon.6th, the most key the problem of is：Due to
Limited by material, burner (especially bocca) is easily lost, the life-span is shorter, and can not both compensate or be difficult to change.Institute
Although by long-term research and experiment, to be difficult to put into practical application.And heated by electrodes is the problem of exist：Melting rate
It is low；Heating surface (area) (HS is limited；Electrode is expensive and changes difficult and oxidizable；Need to first with other mode of heatings by glass melting into liquid
Afterwards, can electrified regulation, add equipment and process costs.Therefore.The glass electric melting of current heated by electrodes is only used for height
The production of the small-scale product such as Pyrex, opal glass.
The content of the invention
To solve the above problems, the invention provides a kind of glass melter of submerged combustion heating, it is characterized in that：Constituting
On the refractory material of glass melter kiln bottom, gather and be arranged with large number of passage, they are communicated with extraneous air delivering pipeline；
Combustion gas and combustion-supporting qi leel are not sent into the glass metal in molten bath by these passages with jet or bubbling mode；Wherein combustion gas stomata
It is separated by certain spacing between combustion-supporting gas stomata, combustion gas and combustion-supporting gas is independently sent into by respective pipeline in kiln；Combustion gas
Rise the excessive bubble that half mixed half combustion is met and formed in expansion process inside glass metal with combustion-supporting gas, then proceed to rise,
Reach and be thoroughly mixed burning, and form high-temperature flue gas bubble；So as to which heat to be transmitted to the liquation of surrounding, fusing and homogenizing material are reached
Purpose；In glass precursor solution upper surface, all the time covered with one layer of raw materials batch layer fusion, the combustion product gases warp in glass metal
This bed of material is escaped, and by with being drained after bed of material heat exchange cooling；Imperfect combustion combustion gas in combustion product gases, on glass metal surface
And oxygen combustion is met in raw materials batch layer, and give raw materials batch heating；As raw materials batch layer bottom constantly melts,
Top layer constantly spreads the new bed of material, and melting furnaces just can continuously produce required glass metal.
The refractory material of above-mentioned composition glass melter kiln bottom is bottom of pond syphon and/or the fire resisting being laid on above bottom of pond syphon
Material ramming layer.
The glass melter of above-mentioned submerged combustion heating is broadly divided into melting tank and depositing reservoir two parts, in the resistance to of their kiln bottoms
On fiery material, gather and be arranged with large number of passage；Wherein, the passage at melting tank bottom blasts high frequency bubble or jet
Gas, so as to form big heat, high-intensity combustion；The passage at depositing reservoir bottom blasts low frequency bubble, thus form small heat, it is low
Intensity is burnt, and the micro-bubble in glass metal is clarified.
By kiln bottom refractory material passage arrangement density and/or outlet size and the difference of air pressure, on horizontal area
By melting tank and depositing reservoir from center to surrounding, central high temperature area, low temperature transition zone and the protection of cisterna ambiens wall air curtain are respectively divided into
Area（Referring to：Melting furnaces pool wall air curtain Protection Code, number of patent application：201610088619.1）, with the thermal convection current of reinforced glass liquid, from
And reach the purpose for being homogenized glass metal.
The global shape of melting furnaces, can be designed as cylindrical shape high by the resistance to overturning of homogenizing and kiln in view of glass metal
Stove（Similar to blast furnace）Shape.The outer wall of body of heater can be designed as metal shell.This metal shell can be by many annulus
Shape metal tube combines composition in the height direction.Refractory masses are provided with the inside of metal shell（It is not drawn into figure）.Can be
Cooling fluid is passed through in circular ring metal pipe, to ensure the use safety and service life of body of heater.It is provided with and feeds intake in Top of BF
Mouthful and go out flue；Liquid-filling pool and dog-hole are provided with blast furnace bottom.
Above-mentioned combustion-supporting gas can be compressed air, oxygen-enriched or pure oxygen gas；Combustion gas can be natural gas, coal gas, hydrogen air-liquid
Liquefied oil gas etc..
Above-mentioned raw materials coordinate the bed of material thickness control combustion product gases can low pressure effusion be advisable.
Compared with other conventional glass furnaces, the glass melter of this submerged combustion heating is beneficial in that：1st, kiln
Stove and combustion apparatus are simple in construction, and service life is long；2nd, method is reliable, and burning is complete；3rd, melting efficiency is high, liquation homo-effect
It is good；4th, the erosion to refractory material is small；5th, heat-exchange time of the high-temperature flue gas in liquation and raw materials batch layer is long, heat utilization efficiency
It is high；6th, it is suitable for pure oxygen high-temp combustion, can not only melts high-melting-point material, and exhaust gas volumn is greatly reduced, beneficial to liquation
Clarification；There is very great economic and social benefit for energy-saving and emission-reduction.
Brief description of the drawings
Fig. 1 is the schematic cross-section of one of the embodiment of the present invention.
Fig. 2 is two schematic cross-section of the embodiment of the present invention.
Fig. 3 is three schematic top plan views of the embodiment of the present invention.
Fig. 4 is the stereoscopic structure chart of the 4 of the embodiment of the present invention.
Fig. 5 is Fig. 4 perspective cross section structure chart.
1. kiln bottom refractory material bottom of pond syphon in figure, 2. refractory material air-vents, 3. air delivering pipelines, 4. combustion gas are steeped or helped
Combustion gas is steeped, 5. glass metals, 6. raw materials batch layer, 7. kiln bottom refractory material rammings layers, 8. kiln pool walls, 9. melting tanks with
Depositing reservoir upper strata separates, 10. melting tank central high temperature areas, 11. melting tank low temperature transition zones, and 12. melting tank cisterna ambiens wall air curtains are protected
Protect area, 13. depositing reservoir central high temperature areas, 14. depositing reservoir low temperature transition zones, 15. depositing reservoir cisterna ambiens wall air curtain protection zones, 16.
Dog-house, 17. go out flue, 18. circular ring metal pipes, 19. liquid-filling pools, 20. dog-holes.
Embodiment
In Fig. 1, Fig. 2, glass melter kiln bottom refractory material bottom of pond syphon 1 or/and kiln bottom refractory material ramming layer 7 are being constituted
On, gather and be arranged with large number of passage 2, they are communicated with extraneous air delivering pipeline 3；Combustion gas and combustion-supporting qi leel do not pass through
These passages 3 are sent into the glass metal 5 in molten bath with jet or bubbling mode；Phase wherein between combustion gas stomata and combustion-supporting gas stomata
Every certain spacing, combustion gas and combustion-supporting gas is set independently to be sent into by respective pipeline in kiln；Combustion gas and combustion-supporting gas are in glass metal 7
Portion rises the excessive bubble that half mixed half combustion is met and formed in expansion process, then proceedes to rise, reaches and be thoroughly mixed burning, and
Form high-temperature flue gas bubble；So as to which heat to be transmitted to the liquation of surrounding, the purpose of fusing and homogenizing material is reached；In glass precursor solution 7
Upper surface, all the time covered with one layer of raw materials batch layer 6 fusion, the combustion product gases in glass metal 7 are escaped through this bed of material, and are led to
Cross with being drained after bed of material heat exchange cooling；Imperfect combustion combustion gas in combustion product gases, in the surface of glass metal 7 and raw materials batch
Oxygen combustion is met in layer 6, and gives raw materials batch heating；As raw materials batch 6 bottom of layer constantly melt, top layer is constantly spread
The new bed of material, melting furnaces just can continuously produce required glass metal.
In Fig. 3, by the passage 2 on kiln bottom refractory material bottom of pond syphon 1 or/and kiln bottom refractory material ramming layer 7, its
Density of arranging and/or outlet size and the difference of air pressure, by melting tank and depositing reservoir from center to surrounding on horizontal area, point
Melting tank central high temperature area 10, melting tank low temperature transition zone 11, melting tank cisterna ambiens wall air curtain protection zone 12, depositing reservoir are not divided into
Central high temperature area 13, depositing reservoir low temperature transition zone 14, depositing reservoir cisterna ambiens wall air curtain protection zone 15, with the hot right of reinforced glass liquid
Stream, so as to reach the purpose for being homogenized glass metal.
In Fig. 4, Fig. 5, it is contemplated that the homogenizing of glass metal and the resistance to overturning of kiln, the global shape of melting furnaces is designed as
Cylindrical shape blast furnace（Similar to blast furnace）Shape.The outer wall of body of heater is designed as metal shell.This metal shell can be by being permitted
Many circular ring metal pipes 18 combine composition in the height direction.Refractory masses are provided with the inside of metal shell（Do not drawn in figure
Go out）.Cooling fluid can be passed through in circular ring metal pipe 18, to ensure the use safety and service life of body of heater.In high furnace roof
Portion is provided with dog-house 16 and goes out flue 17；Liquid-filling pool 19 and dog-hole 20 are provided with blast furnace bottom.
Claims (6)
1. a kind of glass melter of submerged combustion heating, it is characterized in that：On the refractory material for constituting glass melter kiln bottom, gather
Large number of passage is arranged with, they are communicated with extraneous air delivering pipeline；Combustion gas and combustion-supporting qi leel are not ventilated by these
Hole is sent into the glass metal in molten bath with jet or bubbling mode；Wherein be separated by between combustion gas stomata and combustion-supporting gas stomata it is certain between
Away from；In glass precursor solution upper surface, all the time covered with one layer of raw materials batch layer fusion.
2. a kind of glass melter of submerged combustion heating according to claims 1, it is characterized in that：Above-mentioned composition glass melts
The refractory material of kiln kiln bottom is bottom of pond syphon and/or the refractory material ramming layer being laid on above bottom of pond syphon.
3. a kind of glass melter of submerged combustion heating according to claims 1, it is characterized in that：Above-mentioned submerged combustion adds
The glass melter of heat is broadly divided into melting tank and depositing reservoir two parts, on the refractory material of their kiln bottoms, and gathering is arranged with
Large number of passage；Wherein, the passage at melting tank bottom blasts high frequency bubble or Gas Jet, thus formed big heat,
High-intensity combustion；The passage at depositing reservoir bottom blasts low frequency bubble, so that small heat, low-intensity burning are formed, and by glass metal
In micro-bubble clarification.
4. a kind of glass melter of submerged combustion heating according to claims 1, it is characterized in that：Pass through kiln bottom fire proofed wood
Passage arrangement density and/or outlet size and the difference of air pressure is expected, by melting tank and depositing reservoir from center on horizontal area
To surrounding, central high temperature area, low temperature transition zone and cisterna ambiens wall air curtain protection zone are respectively divided into the thermal convection current of reinforced glass liquid,
So as to reach the purpose for being homogenized glass metal.
5. a kind of glass melter of submerged combustion heating according to claims 1, it is characterized in that：In view of glass metal
The resistance to overturning of homogenizing and kiln, cylindrical shape blast furnace shape is designed as by the global shape of melting furnaces；The outer wall of body of heater is designed
For metal shell, refractory masses are provided with the inside of metal shell.
6. a kind of glass melter of submerged combustion heating according to claims 5, it is characterized in that：Above-mentioned metal shell by
Many circular ring metal pipes combine composition in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173292.8U CN206529399U (en) | 2017-02-25 | 2017-02-25 | A kind of glass melter of submerged combustion heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173292.8U CN206529399U (en) | 2017-02-25 | 2017-02-25 | A kind of glass melter of submerged combustion heating |
Publications (1)
| Publication Number | Publication Date |
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| CN206529399U true CN206529399U (en) | 2017-09-29 |
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ID=59916735
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720173292.8U Expired - Fee Related CN206529399U (en) | 2017-02-25 | 2017-02-25 | A kind of glass melter of submerged combustion heating |
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| Country | Link |
|---|---|
| CN (1) | CN206529399U (en) |
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2017
- 2017-02-25 CN CN201720173292.8U patent/CN206529399U/en not_active Expired - Fee Related
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Granted publication date: 20170929 Termination date: 20180225 |
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