CN2701861Y - Convection type glass heating furnace - Google Patents
Convection type glass heating furnace Download PDFInfo
- Publication number
- CN2701861Y CN2701861Y CNU2004200642594U CN200420064259U CN2701861Y CN 2701861 Y CN2701861 Y CN 2701861Y CN U2004200642594 U CNU2004200642594 U CN U2004200642594U CN 200420064259 U CN200420064259 U CN 200420064259U CN 2701861 Y CN2701861 Y CN 2701861Y
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- CN
- China
- Prior art keywords
- furnace body
- plenum chamber
- glass
- lower furnace
- convection type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
- C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
- C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
- C03B29/08—Glass sheets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a convection type glass heating furnace, comprising an upper furnace body and a lower furnace body. At least a collector box is arranged in the upper furnace body; at least a collector box is arranged in the lower furnace body; an air inlet and an air outlet are arranged on the collector box; a jet stream plate is arranged on the air outlet position; the air inlet of the collector box is connected with the exhaust port of the draught fan through a pipeline; an air heating apparatus is arranged in the collector box; the air inlet of the draught fan, an upstream air passage of the draught fan, an exhaust port of the draught fan and a downstream air passage of the draught fan together form an air circulation return circuit. The heating furnace heats the glass adopting the mode of spraying high-temperature air to the surface of the glass; the defects of low heating efficiency and long heating time when heating the glass with the high reflectance and the high transmissivity are effectively eliminated. The power of the heating element is selected according to the temperature and the flow quantity of the essential high-temperature air; in particular the high-temperature air spraying to the upper and lower surfaces of the glass has different temperatures; with the result that the heating of the upper and lower surfaces of the glass is uniform; the heated quality is assured.
Description
Technical field
The utility model relates to a kind of glass heats stove, especially a kind of process furnace that with convection type glass is heated fully.
Background technology
Existing glass heats stove is usually with radiation mode work, and the infrared rays that promptly utilizes resistance heating element to send heats glass.Because the glass blackness of some kinds is little, its reflectivity is relative with transmissivity higher, and is relatively poor to the radiation heating specific absorption, thereby adopts conventional radiation mode to heat, and has the problem that heat-up time is long, heating efficiency is low.When making LOW-E, a large amount of heats are reflected, and the glass surface temperature does not reach requirement.In addition, during radiation heating, because of roller-way directly conducts heat to lower glass surface, and this part conduction heat is greater than radiant heat that surface on glass received, cause on glass, lower surface to have certain temperature head, cause glass edge portion warpage, produce white mist phenomenon at the position that contacts with roller-way simultaneously, and finally influence the glass processing quality.
The utility model content
Deficiency at the prior art existence, the purpose of this utility model provides a kind of convection type glass heats stove, and this process furnace adopts the jet flow heating technique, and high-temperature gas is jetted to glass surface, by the convective heat exchange of high-temperature gas and glass, and finish heating to glass.
For achieving the above object, the utility model convection type glass heats stove comprises, lower furnace body, on, the lower furnace body both sides are provided with glass and import and export, glass conveying roller way is installed on the lower furnace body, on, be respectively arranged with at least one plenum chamber in the lower furnace body, this plenum chamber is airtight casing, it is provided with inlet mouth and air outlet, the place, air outlet is provided with jet plate, jet plate is provided with the high-temperature gas squit hole, the air outlet of plenum chamber is towards the glass conveying roller way setting, and apart from the suitable distance of glass conveying roller way, the inlet mouth of plenum chamber links to each other with the venting port of blower fan by pipeline, by the blower fan venting port, pipeline, plenum chamber, on the gas passage that plenum chamber jet plate high-temperature gas ejiction opening constitutes, be provided with gas-heating apparatus, on, lower furnace body is provided with waste gas and discharges through hole, fan air inlet is by pipeline and last, waste gas on the lower furnace body is discharged through hole and is linked to each other fan air inlet and upstream gas passage thereof, the common formation of blower fan venting port and downstream gas path thereof one gas circulation loop.
Further, the plenum chamber in the described upper and lower body of heater links to each other with separately blower fan respectively, and constitutes separate gas circulation loop respectively.
Further, also be provided with the waste gas recovery holes on the described jet plate, this waste gas recovery holes is by the body of heater intracavity inter-connection of pipeline and plenum chamber outside.
Further, described jet plate is the waviness plate, and described high-temperature gas squit hole is distributed in the trough place near the roller-way on the described lower furnace body, and described waste gas recovery holes is arranged on the crest place away from the roller-way on the described lower furnace body.
Further, described gas-heating apparatus is an an electric heating element, and this an electric heating element is arranged in the plenum chamber.
Further, described an electric heating element is the bayonet type well heater, this well heater is made of insulation porcelain and resistance wire or resistive band, the sub-periphery of insulation porcelain is processed with several open slots, the sub-mutual superposition of several insulation porcelains forms a column, resistance wire or resistive band are spirally wrapped around on this column by the open slot on insulation porcelain, and draw by the mounting flange that is arranged on column one end at its two poles of the earth.
Further, the plenum chamber in the described upper furnace body can move up and down by suspension gear and be installed on the upper furnace body.
Further, described suspension gear is a bolt and nut mechanism, and plenum chamber is suspended on the screw rod by nut, screw rod is fixed on the upper furnace body, its the upper end be arranged on the body of heater roof on operating mechanism link to each other, this operating mechanism is the worm and gear operating mechanism, or gear or sprocket wheel operating mechanism.
Further, the plenum chamber in the described lower furnace body is supported on the lifting device moving up and down that is provided with in the lower furnace body.
Further, described lifting device is screw rod, lift nut mechanism, described plenum chamber and nut fix, and link to each other with screw rod by nut, screw rod is rotatable to be installed on the lower furnace body, screw rod and worm and gear operating mechanism or gear or sprocket wheel operating mechanism link to each other, and can rotation under operating mechanism is handled.
The utility model process furnace adopts the mode to glass surface injection high-temperature gas that glass is heated, and it is low to have eliminated traditional heating stove existing heating efficiency when heating high-reflectivity and high-transmission rate glass effectively, the defective that heat-up time is long.After being arranged on heating unit in the plenum chamber, can be easily according to temperature, the flow of required high-temperature gas, choose the power of heating unit, especially the high-temperature gas that is injected in lower surface on glass can be arranged to have different temperature, thereby lower surface on glass is heated evenly, its heating quality is guaranteed.
Description of drawings
Fig. 1 is the utility model sectional view;
Fig. 2 is an E-E view among Fig. 1;
Fig. 3 is the jet plate structural representation;
Fig. 4 is a F-F view among Fig. 3;
Fig. 5 is an insulation porcelain minor structure synoptic diagram;
Fig. 6 is a G-G view among Fig. 5.
Embodiment
As Fig. 1, shown in Figure 2, the utility model convection type glass heats stove comprises lower furnace body 1, upper furnace body 5, on, the lower furnace body both sides are provided with glass input aperture 3, glass delivery port 10, glass conveying roller way 12 is installed on the lower furnace body 1, on, be respectively arranged with 12 plenum chambers 2 in the lower furnace body, this plenum chamber 2 is airtight casing, it is provided with inlet mouth 4 and air outlet, the place, air outlet is provided with jet plate 18, jet plate 18 is provided with high-temperature gas squit hole 16 and waste gas recovery holes 17 (is seen Fig. 3, Fig. 4), the air outlet of plenum chamber 2 is provided with towards glass conveying roller way 12, and apart from glass conveying roller way 12 suitable distances, the inlet mouth 4 of plenum chamber 2 links to each other with the venting port of blower fan 8 by pipeline 6, be provided with bayonet type electric heater 9 in each plenum chamber 2, blower fan 8 inlet mouths suck the waste gas at waste gas recovery holes 17 places on the plenum chamber jet plate by the pipeline in pipeline 7 and the plenum chamber 2 19, pipeline 19 in the plenum chamber 2 is introduced the waste gas at waste gas recovery holes 17 places in the body of heater inner chamber of plenum chamber 2 away from the glass conveying roller way end, blower fan 8 inlet mouths, pipeline 7, the body of heater inner chamber, plenum chamber 2 interior conduits 19, waste gas recovery holes 17, blower fan 8 venting ports, pipeline 6, plenum chamber 2, high-temperature gas squit hole 16 common formation one gas circulation loop, one bayonet type electric heater 9 all is installed in each plenum chamber 2, this bayonet type electric heater 9 at plenum chamber 2 inlet mouths to the gas passage between the High Temperature Gas body squit hole 16.Plenum chamber 2 in the upper furnace body 5 is for analysing and observe state.Each plenum chamber 2 in the upper furnace body 5 is suspended on two screw rods 20 by nut 22 respectively, screw rod 20 rotatable being installed on the upper furnace body roof, screw rod 20 upper ends link to each other with worm and gear operating mechanism 21, and under the manipulation of operating mechanism 21, screw rod 20 rotations also drive plenum chamber 2 thus and move up and down.Each plenum chamber 2 in the lower furnace body 1 is bearing on two or four screw rods 24 by nut 23 respectively, screw rod 24 lower ends are rotatable to be installed on the lower furnace body 1, screw rod 24 lower ends link to each other with worm and gear operating mechanism 25, under the manipulation of operating mechanism 25, screw rod 24 rotates and drives coupled plenum chamber 2 and moves up and down.
As shown in Figure 3, Figure 4, the section of the jet plate 18 at place, plenum chamber 2 air outlets is a waviness, and the trough place is provided with high-temperature gas squit hole 16, and the crest place is provided with square waste gas recovery holes 17.On plenum chamber 2, high-temperature gas squit hole 16 is near glass conveying roller way 12, and waste gas recovery holes 17 is away from glass conveying roller way 12, and pipeline 19 is communicated with waste gas recovery holes 17 with the body of heater inner chamber, and isolates mutually with plenum chamber 2 inner chambers.The waviness section of jet plate 18 can be uniform waviness, also can be the inconsistent non uniform wave shape wave of each crest, wave trough position.Because of the jet plate 18 of plenum chamber 2 in the upper furnace body 5 directly in the face of being heated glass, and be separated with glass conveying roller way mutually between the jet plate 18 of plenum chamber 2 and the lower glass surface in the lower furnace body 1, therefore, to be heated lower surface on glass and to be heated evenly in order to make, the shape of the jet plate of plenum chamber 2 can be made different shapes in the upper and lower body of heater.Be heated glass each position unanimity of being heated in upper furnace body 5 or in the lower furnace body 1 in order to make, each plenum chamber and jet plate thereof also can be made into and have different shapes in upper furnace body 5 or the lower furnace body 1.
Fig. 5, Figure 6 shows that insulation porcelain minor structure synoptic diagram, bayonet type electric heater 9 is made of several superpose pillared insulation porcelain and resistive bands, resistive band is spirally wrapped around on the sub-post of insulation porcelain by the groove 15 that is provided with on insulation porcelain, the sub-post of insulation porcelain is supported on plenum chamber 2 sidewalls, draw by the mounting flange that is arranged on sub-post one end of insulation porcelain at the resistive band two ends, wherein a utmost point with run through the sub-post of insulation porcelain in the metal connecting rod in hole 14 link to each other.
During the utility model work, glass 11 to be heated enters body of heater from the glass input aperture 3 of body of heater one side, and be bearing on the glass conveying roller way 12, blower fan 8 is sent into gas in each plenum chamber 2 along arrow C among Fig. 1, the gas that enters plenum chamber 2 becomes high-temperature gas by well heater 9, high-temperature gas after the heating sprays on glass from the high-temperature gas squit hole 16 on the jet plate 18, lower surface, the waste gas that carries out after the convective heat exchange with glass enters body of heater inner chamber away from glass from waste gas recovery holes 17 and pipeline 19, and be inhaled into blower fan 8 by the through hole that is provided with on the body of heater, blower fan 8 is transported to plenum chamber 2 once more with the waste gas that sucks, make it to reenter circulation, and so forth.
With plenum chamber 2 can move up and down be installed in the lower furnace body after, not only be convenient to maintenance, the maintenance of plenum chamber 2, and be convenient to the replacing and the maintenance of plenum chamber 2 internal heaters.
In last lower furnace body, cover by the mode that a plurality of plenum chambers 2 are set respectively and be heated glass surface, not only be convenient to processing, installation, maintenance, the maintenance of plenum chamber 2, and make the distribution of each position heating power in the body of heater convenient, help control simultaneously to the glass heats state.Since plenum chamber 2 set up separately with upper furnace body 5 and lower furnace body 1 in, and each plenum chamber 2 is relatively independent, therefore, can the quantity of plenum chamber and the position of each plenum chamber be set targetedly according to the particular case that is heated lower surface on glass.Plenum chamber in the last lower furnace body can be symmetrical arranged, and also can asymmetricly be provided with, and the heating power of electric heater can be identical in each plenum chamber, also can be different, and volume, the structure of each plenum chamber are identical, but also each tool appropriate configuration and size.
Claims (10)
1. convection type glass heats stove, it is characterized in that, comprise, lower furnace body, on, the lower furnace body both sides are provided with glass and import and export, glass conveying roller way is installed on the lower furnace body, on, be respectively arranged with at least one plenum chamber in the lower furnace body, this plenum chamber is airtight casing, it is provided with inlet mouth and air outlet, the place, air outlet is provided with jet plate, jet plate is provided with high-temperature gas squit hole and waste gas recovery holes, the air outlet of plenum chamber is towards the glass conveying roller way setting, and apart from the suitable distance of glass conveying roller way, the inlet mouth of plenum chamber links to each other with the venting port of blower fan by pipeline, by the blower fan venting port, pipeline, plenum chamber, on the gas passage that plenum chamber jet plate high-temperature gas ejiction opening constitutes, be provided with gas-heating apparatus, on, lower furnace body is provided with waste gas and discharges through hole, fan air inlet is by pipeline and last, waste gas on the lower furnace body is discharged through hole and is linked to each other fan air inlet and upstream gas passage thereof, the common formation of blower fan venting port and downstream gas path thereof one gas circulation loop.
2. convection type glass heats stove as claimed in claim 1 is characterized in that, the plenum chamber in the described upper and lower body of heater links to each other with separately blower fan respectively, and constitutes separate gas circulation loop respectively.
3. convection type glass heats stove as claimed in claim 2 is characterized in that, also is provided with the waste gas recovery holes on the described jet plate, and this waste gas recovery holes is by the body of heater intracavity inter-connection of pipeline and plenum chamber outside.
4. convection type glass heats stove as claimed in claim 3, it is characterized in that, described jet plate is the waviness plate, and described high-temperature gas squit hole is distributed in the trough place near the roller-way on the described lower furnace body, and described waste gas recovery holes is arranged on the crest place away from the roller-way on the described lower furnace body.
5. convection type glass heats stove as claimed in claim 4 is characterized in that described gas-heating apparatus is an an electric heating element, and this an electric heating element is arranged in the plenum chamber.
6. convection type glass heats stove as claimed in claim 5, it is characterized in that, described an electric heating element is the bayonet type well heater, this well heater is made of insulation porcelain and resistance wire or resistive band, the sub-periphery of insulation porcelain is processed with several open slots, the sub-mutual superposition of several insulation porcelains forms a column, and resistance wire or resistive band are spirally wrapped around on this column by the open slot on insulation porcelain, and draw by the mounting flange that is arranged on column one end at its two poles of the earth.
7. convection type glass heats stove as claimed in claim 6 is characterized in that the plenum chamber in the described upper furnace body can move up and down by suspension gear and be installed on the upper furnace body.
8. convection type glass heats stove as claimed in claim 7, it is characterized in that described suspension gear is a bolt and nut mechanism, plenum chamber is suspended on the screw rod by nut, screw rod is fixed on the upper furnace body, and its upper end is stretched out the body of heater roof and joined with worm and gear or gear or sprocket wheel operating mechanism.
9. convection type glass heats stove as claimed in claim 8 is characterized in that the plenum chamber in the described lower furnace body is supported on the lifting device moving up and down that is provided with in the lower furnace body.
10. convection type glass heats stove as claimed in claim 9, it is characterized in that, described lifting device is screw rod, lift nut mechanism, described plenum chamber and nut fix, and link to each other with screw rod by nut, screw rod is rotatable to be installed on the lower furnace body, and screw rod and worm and gear operating mechanism or gear or sprocket wheel operating mechanism link to each other, and can rotate under operating mechanism is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200642594U CN2701861Y (en) | 2004-05-27 | 2004-05-27 | Convection type glass heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200642594U CN2701861Y (en) | 2004-05-27 | 2004-05-27 | Convection type glass heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2701861Y true CN2701861Y (en) | 2005-05-25 |
Family
ID=34777535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200642594U Expired - Lifetime CN2701861Y (en) | 2004-05-27 | 2004-05-27 | Convection type glass heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2701861Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072645A (en) * | 2011-01-28 | 2011-05-25 | 杭州金舟电炉有限公司 | Industrial furnace capable of realizing thermal shift and atmospheric uniformity of gas flow field |
| CN101767927B (en) * | 2009-01-07 | 2011-12-07 | 洛阳兰迪玻璃机器有限公司 | Method for setting high temperature gas spout in convection type glass plate heating furnace and application thereof |
| CN108178499A (en) * | 2018-03-16 | 2018-06-19 | 张家港市国华安全玻璃有限公司 | It is a kind of to produce annealing furnace with the tempered glass for recycling function |
| CN110818239A (en) * | 2019-12-16 | 2020-02-21 | 安徽信息工程学院 | Glass heating furnace |
-
2004
- 2004-05-27 CN CNU2004200642594U patent/CN2701861Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767927B (en) * | 2009-01-07 | 2011-12-07 | 洛阳兰迪玻璃机器有限公司 | Method for setting high temperature gas spout in convection type glass plate heating furnace and application thereof |
| CN102072645A (en) * | 2011-01-28 | 2011-05-25 | 杭州金舟电炉有限公司 | Industrial furnace capable of realizing thermal shift and atmospheric uniformity of gas flow field |
| CN102072645B (en) * | 2011-01-28 | 2012-12-19 | 金舟科技股份有限公司 | Industrial furnace capable of realizing thermal shift and atmospheric uniformity of gas flow field |
| CN108178499A (en) * | 2018-03-16 | 2018-06-19 | 张家港市国华安全玻璃有限公司 | It is a kind of to produce annealing furnace with the tempered glass for recycling function |
| CN108178499B (en) * | 2018-03-16 | 2024-04-12 | 张家港市国华安全玻璃有限公司 | Toughened glass production tempering furnace with recycle function |
| CN110818239A (en) * | 2019-12-16 | 2020-02-21 | 安徽信息工程学院 | Glass heating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LUOYANG SHOULIER INSTITUTE OF MACHINERY AND EQUIP Free format text: FORMER OWNER: ZHAO YAN Effective date: 20080307 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080307 Address after: Science Park, Luolong District, Henan, Luoyang Province, China: 471023 Patentee after: The first Luoyang Montreal Machinery Equipment Research Institute Address before: Building 8, building 12, Wangcheng Road, 471000, Henan, Luoyang Patentee before: Zhao Yan |
|
| ASS | Succession or assignment of patent right |
Owner name: LUOYANG LANDGLASS TECHNLOGY CO., LTD. Free format text: FORMER OWNER: LUOYANG SHOULIER MACHINERY EQUIPMENT INSTITUTE Effective date: 20100811 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471023 SCIENCE AND TECHNOLOGY PARK TO: 471000 NO.2, MUDAN AVENUE, LUOLONG SCIENCE AND TECHNOLOGY PARK, LUOLONG DISTRICT, LUOYANG CITY, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100811 Address after: 471000 Luolong, Henan, Luolong science and Technology Park, Peony Road, No. 2, No. Patentee after: Luoyang Landglass Technlogy Co., Ltd. Address before: 471023 Science Park, Luolong District, Henan, Luoyang Patentee before: The first Luoyang Montreal Machinery Equipment Research Institute |
|
| C56 | Change in the name or address of the patentee |
Owner name: LUOYANG LAND GLASS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LUOYANG LANDGLASS TECHNLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 471000 Luolong, Henan, Luolong science and Technology Park, Peony Road, No. 2, No. Patentee after: Luoyang Landglass Technology Co., Ltd. Address before: 471000 Luolong, Henan, Luolong science and Technology Park, Peony Road, No. 2, No. Patentee before: Luoyang Landglass Technlogy Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140527 Granted publication date: 20050525 |