CN101993186A - Exahust vent box - Google Patents

Exahust vent box Download PDF

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Publication number
CN101993186A
CN101993186A CN2010102679447A CN201010267944A CN101993186A CN 101993186 A CN101993186 A CN 101993186A CN 2010102679447 A CN2010102679447 A CN 2010102679447A CN 201010267944 A CN201010267944 A CN 201010267944A CN 101993186 A CN101993186 A CN 101993186A
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CN
China
Prior art keywords
cooling gas
delivery pipe
inlet
discharge device
main delivery
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Granted
Application number
CN2010102679447A
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Chinese (zh)
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CN101993186B (en
Inventor
K·D·布朗斯库姆
G·D·安吉利斯
R·E·弗雷利
J·J·克斯丁
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Corning Inc
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Corning Inc
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • C03B3/026—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet by charging the ingredients into a flame, through a burner or equivalent heating means used to heat the melting furnace
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/005—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture of glass-forming waste materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/04—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in tank furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels

Abstract

The present invention relates to an exhaust vent box, including an exhaust intake pipe and a main body, wherein the main body includes a lower part, a middle part connected to the intake pipe and an upper part. Cooling air is guided into the main body to mix with the exhaust. By means of preventing the cooling air from being directly mixed with the exhaust, it is possible to avoid or reduce solid accumulation in the intake pipe. A side port and a bottom tray can be arranged in the main body or on the main body, so as to easy to maintain and remove solid. The exhaust vent box is especially propitious to discharge exhaust from a glass melter, and glass material melted in the glass melter includes volatile components such as B2O3, P2O5 and/or SnO2.

Description

The trash discharge case
The application requires the benefit of priority of No. the 61/236557th, the U.S. Provisional Patent Application submitted on August 25th, 2009.
Technical field
The present invention relates to smelting furnace trash discharge apparatus and method.Specifically, the present invention relates to smelting furnace high temperature trash discharge apparatus and method, it makes the solid that forms or be entrained in the waste material have lower obstruction trend.The present invention for example is used in the glass melting device of molten glass, is used to make the various glassy products such as the sheet glass that is used as the LCD substrate.
Background technology
Many high-temperature technologies can produce a large amount of waste materials, and these waste materials comprise many solid particulates or formation particulate gas, need cool off and suitably discharge.For example, in smelting furnace, especially in the fuel cartridge in the process of molten glass material, produce a large amount of high temperature waste materials, these waste materials may comprise a large amount of batch particle, molding glass material and in case cool off with regard to condensable gas, such as the various components of glass material.The high temperature waste material may have up to the temperature more than 1500 ℃ when discharging smelting furnace, must cool off it before the high temperature waste material is introduced normal delivery pipe.
Before got in touch the design and use of various glass melting device various trash discharge devices and system.Yet; for the waste material that comprises a large amount of particles and condensables, many discharge equipments have following shortcoming: be easy to formation, collection and accumulated solids, this can finally cause discharge-channel to shrink; reduce discharge efficiency and effectiveness, cause frequent cleans even blowdown system to lose efficacy and the technology shutdown.This undesirable solid collection is called obstruction sometimes with gathering.
The present invention has satisfied effectively and has discharged efficiently the needs of the system of high temperature waste material, and is difficult for stopping up.
Summary of the invention
Here disclosed several aspect of the present invention.Will be understood that these aspects can overlap each other or not overlap.Therefore, the part of an aspect can fall on the other hand the scope, and vice versa.
Each aspect illustrates that by a plurality of embodiment it can comprise one or more specific embodiments again.Will be understood that these embodiment can overlap each other or not overlap.Therefore, the part of an embodiment or its specific embodiment can fall into or not fall within the scope of another embodiment or its specific embodiment, and vice versa.
A first aspect of the present invention is a kind of trash discharge device (101,201), and this trash discharge device comprises:
(I) waste material inlet tube (103) is used for sucking waste gas (133) from waste sources; And
(II) main delivery pipe (105,107,109; 205,207,209), described main delivery pipe comprises:
Top (105,205), described top have at least one top cooling gas air inlet port (111) on Qi Bi (129), be used for cooling gas (138) is sucked described main delivery pipe, and described top also has the upper end (131) that is communicated with the delivery pipe fluid;
Middle part (107,207), described middle part is fixed to described inlet tube (103) and is communicated with described inlet tube fluid; And
Bottom (109,209), described bottom have lower end (115).
In some embodiment of first aspect present invention, device (201) also comprises:
(III) bottom cooling gas sheath (219), described bottom cooling gas sheath surround at least a portion of described bottom (109) and/or described middle part (207) of described main delivery pipe.
In some embodiment of first aspect present invention, described bottom cooling gas sheath (219) is communicated with described middle part (207) fluid of described main delivery pipe by the stomidium (235) on the wall (124) at described middle part (207).
In some embodiment of first aspect present invention, the described bottom (109) of described main delivery pipe has at least one bottom cooling gas air inlet port (117) on Qi Bi (120), be used for cooling gas (134) is sucked the described bottom (109) of described main delivery pipe.
In some embodiment of first aspect present invention, discharge equipment (101) also comprises:
(IV) bottom cooling gas air plenum (119), described bottom cooling gas air plenum is surrounded at least one bottom cooling gas air inlet port (117), and having at least one cooling gas inlet (121), cooling gas enters described bottom cooling gas air plenum (119) by described cooling gas inlet.
In some embodiment of first aspect present invention, discharge equipment (101,201) also comprises:
(V) top cooling gas air plenum (113), described top cooling gas air plenum is surrounded at least one top cooling gas air inlet port (111), and having at least one cooling gas inlet (115), cooling gas (138) enters described top cooling gas air plenum (113) by described cooling gas inlet.
In some embodiment of first aspect present invention, discharge equipment (101,201) also comprises:
(VII) inlet cooling gas sheath (143), at least a portion that described inlet cooling gas sheath surrounds described inlet tube (103).
In some embodiment of first aspect present invention, described inlet cooling gas sheath is communicated with described main delivery pipe fluid by the stomidium (235) on the wall (124) of described main delivery pipe.
In some embodiment of first aspect present invention, described inlet cooling gas sheath comprises at least one blade or next door, and described blade or next door are divided into circuitous passage with the internal space of described inlet cooling gas sheath.
In some embodiment of first aspect present invention, discharge equipment (101,201) also comprises:
Dismountable pallet, described pallet are arranged in the described bottom (109,209) of described main delivery pipe to collect solid.
In some embodiment of first aspect present invention, the described lower end (115) of the described bottom (109,209) of described main delivery pipe comprises the port opened that is used to safeguard described main delivery pipe.
In some embodiment of first aspect present invention, the described middle part (107,207) of described main delivery pipe comprises the side ports opened (127) that is used to safeguard described main delivery pipe and/or described inlet tube (103).
In some embodiment of first aspect present invention, described side ports (127) is positioned on the side relative with described inlet tube of described main delivery pipe.
In some embodiment of first aspect present invention, the epimere of described top (105,205) has along the air-flow geometrical shape of mobile direction convergent in main delivery pipe in the course of the work.
A second aspect of the present invention is a kind of method of using glass furnace to make glass material, described glass furnace has as described above each described trash discharge device (101 in the claim, 201), described trash discharge device is connected to described smelting furnace with from described smelting furnace exhaust flue gas streams.
In some embodiment of first aspect present invention, the gaseous tension that the upper end of main delivery pipe (131) are located is lower than the gaseous tension in the smelting furnace.
In some embodiment of first aspect present invention, the gaseous tension that the upper end of main delivery pipe (131) are located is lower than the air inlet port (111,117) that is used to suck cooling gas or the gaseous tension at the arbitrary place in the cooling air intake (147,221).
In some embodiment of first aspect present invention, the end in described top (105,205), the medial temperature of air-flow (139) is lower than about 600 ℃.
In some embodiment of first aspect present invention, described glass material have comprise at least a in described smelting furnace under the glass melting temperature composition of volatile component.
In some embodiment of first aspect present invention, described glass material has the B of comprising 2O 3Or SnO 2Or both compositions.
In some embodiment of first aspect present invention, the exhaust flow (133) of directly discharging described glass furnace has at least 1400 ℃ medial temperature.
In some embodiment of first aspect present invention, there is not cooling gas directly to introduce described waste material inlet tube (103).
In some embodiment of first aspect present invention, in the end that is fixed to described main delivery pipe of described inlet tube, the medial temperature of gas is at least 1000 ℃.
In some embodiment of first aspect present invention, avoided gathering of the solid matter in the inlet tube basically.
In some embodiment of first aspect present invention, the main delivery pipe (105,107,109 of trash discharge device; 205,207,209) be positioned to vertical substantially.
In some embodiment of the trash discharge device of first aspect present invention,
Top has at least two the roughly equally distributed top of wall cooling gas air inlet ports around top.
In some embodiment of the trash discharge device of first aspect present invention,
The bottom has at least two at the equal height place, around the roughly equally distributed bottom of the wall cooling gas air inlet port of bottom.
One or more embodiment of all respects of the present invention have one or more following advantages.Owing to avoided high-temp waste gas stream in the horizontal access pipe, to mix with cooling gas, the condensation of condensable components in this inlet tube and the precipitation of dust granules have been reduced, therefore reduce solid material in this zone cumulative speed and amount, thereby caused discharging the overall reduction that case stops up.In addition, side ports provides the convenience of safeguarding waste material inlet tube and main delivery pipe, is used for removing termly the solid matter of inlet tube and main delivery pipe inner accumulated.In addition, lower port can be used as sedimentary dust granules and the collector of condensation product during normal operation and maintenance, thereby is convenient to safeguard delivery pipe and removes any precipitated solid material.And inlet tube and main delivery pipe can be prolonged the life-span of discharging case by the cooling draught cooling through sheath, and the discharging case can be constructed with the material of lower cost.
To in following circumstantial letter, set forth other features and advantages of the present invention, for a person skilled in the art, its part can easily understand from specification sheets or recognize that by practice of the present invention as herein described specification sheets comprises detailed description, claims and accompanying drawing.
Being understandable that above describe, in general terms and the following detailed description all are example of the present invention, is for the understanding to the overall or framework of essence of the present invention and feature is provided.
Comprise that accompanying drawing is for further understanding of the present invention is provided, accompanying drawing is included in this specification sheets and constitutes the part of this specification sheets.
Description of drawings
In the accompanying drawings:
Fig. 1 is the synoptic diagram of trash discharge case according to an embodiment of the invention.
Fig. 2 is the synoptic diagram of trash discharge case according to another embodiment of the present invention.
Embodiment
As employed here, " cold air ", " cold diluent gas ", " diluent gas ", " cooling gas " and " cooling diluent gas " are used for interchangeably representing that temperature is lower than gas introducing or that be used for cooled gas flow.Therefore, " cold air ", " cold diluent gas ", " diluent gas ", " cooling gas " or " cooling diluent gas " can be that temperature is lower than the airflow of wanting refrigerative waste material air-flow, or cryogenic N 2, CO 2, H 2O, O 2Or the air-flow of other gas or its mixture.
Waste streams from the glass furnace of fuel burning especially can comprise: (i) normal components of air, and such as O 2, N 2, CO 2, H 2O; (ii) oxynitride (NO 2, NO etc., be referred to as NO x); The (iii) gaseous state volatile components of glass material is such as B 2O 3, SnO 2, P 2O 5Deng; The (iv) solid particulate of molten glass; And (solid particulate of the various admixtiones of the smelting furnace of v) packing into is such as silicon, aluminium etc.Therefore, waste streams needed the step of pollution abatement usually before can entering atmosphere safely.The step of these pollution abatements can subtract NO including, but not limited to falling x, collect dust granules etc.Usually adopt discharge tube or conduit that waste gas is entered long-range pollution abatement equipment.Observed typical problem is conglomeration and volatile components condensation on inwall of dust granules in these trash discharge pipelines; this can cause obstruction and discharge efficiency and effectiveness to reduce for a long time; if in the course of normal operation of smelting furnace, can't remove obstruction, finally cause technology to be shut down.
The fresh waste gas that leaves the glass furnace of fuel burning is in very high temperature usually, typically more than 1000 ℃, such as up to about 1500 ℃.For material cost and the maintenance cost that reduces pipeline, the cooling of waste material before entering the main long section of waste pipe is in demand.This cooling realizes by subcooling gas is introduced waste streams usually.
Referring to Fig. 1, trash discharge case 101 according to an embodiment of the invention is shown.Discharging case 101 comprises waste material inlet tube 103, thereby this waste material inlet tube has flange 102 to be suitable for being connected suction waste streams 133 with waste sources in its end.Waste streams 133 is subject in the inwall 104 of inlet tube.Especially in the advantageous embodiments, waste material inlet tube 103 is basic horizontal at some, and it allows waste streams 133 to advance along the direction that is basically perpendicular to gravity.This layout can reduce the particle collecting amount in the inlet tube, and reduces possibility of jamming in this section.Inlet tube also can be partly or is integrally taked other orientation, thereby adapts to the needs of specific smelting furnace design and geometrical dimension.
As mentioned above, for the glass furnace of fuel burning, the fresh waste streams 133 that enters inlet tube 103 is in very high temperature usually.Therefore, the material that is used for making inlet tube 103 should have this pyritous tolerance of tolerance ideally.Especially, the stainless steel of withstand high temperatures oxidation is a good material of selecting to be used for inlet tube 103.In addition, as shown in Figure 1, inlet tube can cool off by the cooling draught 147 of introducing sheath 143 through cooling gas inlet pipe 144, and this sheath is limited by the outer protective jacket wall 145 that surrounds waste material inlet tube 103.As shown in Figure 1, cooling draught 147 is introduced exhaust flow 133 through at least one hole 149 on the wall 124 at main delivery pipe (this will describe hereinafter in more detail) middle part.As shown in Figure 1, the position in hole 149 is chosen to be cooling draught 147 and does not directly introduce inlet, thereby avoids direct mixing and the cooling of high temperature waste material 133 in inlet tube 103, and this direct mixing and cooling can cause the condensation and the obstruction of inlet tube 103.In other embodiments, cooling draught 147 can be discharged sheath 143 and be entered atmosphere on every side, and does not enter exhaust flow 133.Thereby a major function of cooling draught 147 is the life-spans of reducing the temperature prolongation inlet tube of inlet tube 103.In an advantageous embodiment, cooling gas sheath 143 can comprise one or more blades or next door, and these blades or next door are divided into circuitous passage with the sheath internal space to be passed through for cooling draught, thereby can goodly cool off inlet tube 103 effectively.
Trash discharge case 101 also comprises main delivery pipe, and this main delivery pipe comprises three parts: top 105, middle part 107 and bottom 109.As shown in Figure 1, these three parts are vertical substantially, co-axial (promptly three parts are axially parallel to each other), and perpendicular to inlet tube 103.Yet three parts can be along the different directions orientation, that is, their axis can relative to each other form non-zero angle, and their axis can present acute angle or obtuse angle with respect to the axis of inlet tube 103.For example, bottom 109 can be connected to middle part 107 via ell, and this ell has 0 °-90 ° angle, such as 15 °, 30 °, 45 °, 60 ° etc.Yet, regardless of the orientation of bottom, wish very that the bottom is positioned to make to be beneficial to gathering of solid particulate by gravity and mainly to occur in the bottom with respect to the middle part, especially occur in the hypomere of bottom.For this reason, the axis of bottom can be located basically vertically.
Middle part 107 is fixed to waste material inlet tube 103 and is communicated with its fluid.Therefore, exhaust flow 133 enters the middle part 107 of discharging case with cooling draught 147.Side ports 127 is installed on the sidewall 124 relative or adjacent with inlet tube 103 at middle part 107.In one embodiment, side ports comprises window, can observe middle part 107 and inlet tube 103 by this window.In another embodiment, side ports 127 comprises door, can be by this door near also safeguarding discharging case and inlet tube, such as the dust granules of cleaning conglomeration.
Below the middle part, bottom 109 is fixed to the middle part and is communicated with its fluid, and this bottom comprises wall 120, and this wall has a plurality of bottoms cooling gas air inlet port 117 that is contained in the bottom cooling gas air plenum 119.Cooling gas air inlet port 117 shown in Figure 1 is circular basically, and is in the equal height on the wall 120 basically.Yet in other embodiments, cooling gas air inlet port 117 can be taked other geometrical shape, such as the flute profile formula, can be positioned at different heights, as long as flow that cooling draught 134 can be enough and required direction are introduced bottom 109.For example, cooling gas air inlet port 117 can be the groove that is contained in the stagger arrangement in the pumping chamber 119.Bottom cooling draught 134 can enter pumping chamber 119 by bottom cooling gas inlet 121.In case the bottom cooling draught enters bottom 109, it just forms the air-flow 135 of upwards advancing.At upstream position, bottom cooling draught 135 combines with exhaust flow 133 and waste material inlet tube cooling draught 147, thus form the top 105 that upwards advances to the discharging case than air flow 137.As shown in Figure 1, bottom 109 also comprises convergent portion 123, and this convergent portion is positioned at cooling gas air inlet port 117 and bottom air plenum 119 belows and ends at lower port 115.In one embodiment, lower port 115 comprises the slidably pallet (not shown) that is used to collect dust granules.Therefore, pallet can be used to the collect dust granules of autonomous delivery pipe or the deposited particles on the inwall of inlet tube of removing 103 and main delivery pipe in maintenance process in smelting furnace and discharging case course of normal operation.In another embodiment, lower port 115 comprises door, can safeguard vertical pipe constantly by this door.
As shown in the figure, top 105 comprises wall 129, and this wall has a plurality of tops cooling gas air inlet port 111 that is contained in the top cooling gas air plenum 113.Top cooling draught 138 enters pumping chamber 113 by side entrance 115, with air-flow 137 combination to form bigger air-flow 139, the low pressure 141 that this air-flow 139 is produced by for example downstream pump or fan further upwards drives and advances.As shown in the figure, top comprises Upstream section with tapered diameter and the flange 131 that is suitable for being connected with the gas downstream pipeline.In other embodiments, Upstream section can have cylindrical basically.
Fig. 2 schematically illustrates the trash discharge case 201 according to second embodiment of the invention, and it comprises waste material inlet tube 103 substantially the same with Fig. 1 embodiment, that the gas protecting cover 143 that is cooled surrounds.The discharging case also comprises top 205, middle part 207 and the bottom 209 substantially the same with the top 105 of Fig. 1 embodiment.Main difference between discharging case 201 and the discharging case 101 is bottom and middle part.As shown in Figure 2, bottom 209 comprises wall 120, and this wall does not have bottom cooling gas air inlet port or bottom cooling gas air plenum.On the contrary, the major part of the wall 124 at the wall 120 of bottom 209 and middle part 207 is not occupied the part gas protecting cover 219 that is cooled by inlet tube 103 and side ports 127 at wall and surrounds.Cooling draught 234 is introduced sheath 219 by inlet 221, upwards advances, and enters main delivery pipe by the hole on the wall 124 235.Be similar to the cooling gas sheath 143 that is used for waste material inlet tube 103, cooling gas sheath 219 can comprise one or more blades or next door (not shown), these blades or next door are divided into circuitous passage with the internal space of sheath to be passed through for cooling gas, thereby realizes higher cooling efficiency.The main effect of cooling gas 234 is the bottom of the main delivery pipe of maintenance and the low temperature at middle part, needs thereby reduce oxidation and therefore reduce maintenance.
Shown in two embodiment of Fig. 1 and 2, can in inlet 103, avoid exhaust flow 133 to mix basically with the direct of cooling draught 135 and 138.This layout keeps the relatively-high temperature in the inlet tube, therefore reduces such as B 2O 3, SnO 2And P 2O 5The condensation of condensable components, and reduce condensation product and other solid gathers.Allow mixing and lower the temperature and mainly occurring in the main delivery pipe of exhaust flow and cooling gas, here, condensation product can be collected and remove with the dust granules that drops by the slidably pallet in side ports 127 and the bottom.
A second aspect of the present invention relates to a kind of by using the method for glass furnace molten glass material, and this glass furnace comprises trash discharge device described here.Because this design can improve the air-flow pattern and reduce and stop up tendency relatedly, it is especially favourable that trash discharge case of the present invention uses for the combustion gas glass melting device with the molten glass material, these glass materials comprise the volatile components of high level, such as B 2O 3, SnO 2And/or P 2O 5, they are easy to condensation and cause obstruction.The description of as above getting in touch discharge equipment is described, and this method can be advantageously used in glass melting process, causes temperature is at least 1000 ℃ even discharge up to about 1500 ℃ and higher waste gas.This method can be at the end of discharge equipment before exhaust flow enters conventional conduit, exhaust flow is cooled to be lower than 800 ℃ temperature, and such as being lower than 700 ℃ or be lower than 600 ℃, this routine conduit may comprise the parts that the temperature that can be higher than 600 ℃ is damaged.
It will be apparent to those skilled in the art that and to carry out various modifications and change to the present invention and do not deviate from scope and spirit of the present invention.Like this, the present invention should be contained various modifications and variations of the present invention, as long as they are in the scope of claims and equivalent thereof.

Claims (15)

1. a trash discharge device (101,201) comprising:
(I) waste material inlet tube (103) is used for sucking waste gas (133) from waste sources; And
(II) main delivery pipe (105,107,109; 205,207,209), described main delivery pipe comprises:
Top (105,205), described top have at least one top cooling gas air inlet port (111) on Qi Bi (129), be used for cooling gas (138) is sucked described main delivery pipe, and described top also has the upper end (131) that is communicated with the delivery pipe fluid;
Middle part (107,207), described middle part is fixed to described inlet tube (103) and is communicated with described inlet tube fluid; And
Bottom (109,209), described bottom have lower end (115).
2. trash discharge device as claimed in claim 1 (201) is characterized in that, also comprises:
(III) bottom cooling gas sheath (219), described bottom cooling gas sheath surround at least a portion of described bottom (109) and/or described middle part (207) of described main delivery pipe.
3. trash discharge device as claimed in claim 2 (201) is characterized in that, described bottom cooling gas sheath (219) is communicated with described middle part (207) fluid of described main delivery pipe by the stomidium (235) on the wall (124) at described middle part (207).
4. each described trash discharge device (101) in the claim as described above, it is characterized in that, the described bottom (109) of described main delivery pipe has at least one bottom cooling gas air inlet port (117) on Qi Bi (120), be used for cooling gas (134) is sucked the described bottom (109) of described main delivery pipe.
5. trash discharge device as claimed in claim 4 (101) is characterized in that, also comprises:
(IV) bottom cooling gas air plenum (119), described bottom cooling gas air plenum is surrounded at least one bottom cooling gas air inlet port (117), and having at least one cooling gas inlet (121), cooling gas enters described bottom cooling gas air plenum (119) by described cooling gas inlet.
6. as each described trash discharge device (101,201) in the claim 1 to 3, it is characterized in that, also comprise:
(V) top cooling gas air plenum (113), described top cooling gas air plenum is surrounded at least one top cooling gas air inlet port (111), and having at least one cooling gas inlet (115), cooling gas (138) enters described top cooling gas air plenum (113) by described cooling gas inlet.
7. as each described trash discharge device in the claim 1 to 3, it is characterized in that, also comprise:
(VII) inlet cooling gas sheath (143), at least a portion that described inlet cooling gas sheath surrounds described inlet tube (103).
8. trash discharge device as claimed in claim 7 is characterized in that, described inlet cooling gas sheath is communicated with described main delivery pipe fluid by the stomidium (235) on the wall (124) of described main delivery pipe.
9. trash discharge device as claimed in claim 8 is characterized in that, described inlet cooling gas sheath comprises at least one blade or next door, and described blade or next door are divided into circuitous passage with the internal space of described inlet cooling gas sheath.
10. as each described trash discharge device in the claim 1 to 3, it is characterized in that the described lower end (115) of the described bottom (109,209) of described main delivery pipe comprises the port opened that is used to safeguard described main delivery pipe.
11. method of using glass furnace to make glass material, described glass furnace has as described above each described trash discharge device (101 in the claim, 201), described trash discharge device is connected to described smelting furnace with from described smelting furnace exhaust flue gas streams.
12. the method for manufacturing glass material as claimed in claim 11 is characterized in that, the end in described top (105,205), and the medial temperature of air-flow (139) is lower than about 600 ℃.
13. the method as claim 11 or 12 described manufacturing glass materials is characterized in that, described glass material have comprise at least a in described smelting furnace under the glass melting temperature composition of volatile component.
14. the method for manufacturing glass material as claimed in claim 13 is characterized in that, described glass material has the B of comprising 2O 3And/or SnO 2Composition.
15. the method as claim 11 or 12 described manufacturing glass materials is characterized in that, the exhaust flow (133) of directly discharging described glass furnace has at least 1400 ℃ medial temperature.
CN201010267944.7A 2009-08-25 2010-08-25 Exahust vent box Active CN101993186B (en)

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US23655709P 2009-08-25 2009-08-25
US61/236,557 2009-08-25

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