CN105645738B - Muffle furnace - Google Patents
Muffle furnace Download PDFInfo
- Publication number
- CN105645738B CN105645738B CN201511022751.4A CN201511022751A CN105645738B CN 105645738 B CN105645738 B CN 105645738B CN 201511022751 A CN201511022751 A CN 201511022751A CN 105645738 B CN105645738 B CN 105645738B
- Authority
- CN
- China
- Prior art keywords
- muffle furnace
- cylinder manifold
- heating
- heating unit
- brick
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a kind of Muffle furnaces, including Muffle furnace body (10), overflow brick (11) and a pair of of cylinder manifold (12) in the Muffle furnace body (10), the pair of cylinder manifold (12) is respectively installed to the opposite end of the overflow brick (11), wherein, the heating unit (20) for being useful for heating the cylinder manifold (12) is removably installed on the furnace wall of the opposite sides of the Muffle furnace body (10) respectively, the heating unit (20) is set close to the cylinder manifold (12).The high-temperature heating of part is carried out to the cylinder manifold in Muffle furnace by heating unit, so that the heating of cylinder manifold is more concentrated, more effectively, so that the cristobalite on cylinder manifold rapidly melts comes off, the time for eliminating cristobalite on cylinder manifold is shortened, improve efficiency, electric energy loss is reduced, reduces cost, in addition, due to not needing to integrally increase temperature to Muffle furnace, the situation for the deformation that can drop to avoid overflow brick high temperature.
Description
Technical field
The present invention relates to glass substrate production equipment fields, and in particular, to a kind of Muffle furnace.
Background technology
In overflow downdraw liquid crystal glass base production process, glass metal is flowed into Muffle furnace, in overflow brick, is passed through
Overflow brick overflow, the technique productions of cylinder manifold confluence drop-down.Due to operational characteristic and glass physical characteristic, converge in process of production
Temperature is relatively low at flowing plate, and cristobalite can be generated on cylinder manifold, and the cristobalite of generation is very serious to the confluence generation of glass
Influence, cause glass plate that can not be molded, it is impossible to normal production.Original game method is that Muffle furnace is integrally warming up to 1400 DEG C,
High-temperature glass liquid rinses 5 day time, melts the cristobalite on cylinder manifold and comes off.Original method and measure time is long, 1400 DEG C
High temperature can cause overflow brick tenesmus deformation, due to overflow brick be overflow downdraw liquid-crystalline glasses production core component, overflow
Brick tenesmus deformation, directly affects the product quality of glass substrate, causes normally to produce.
Invention content
The object of the present invention is to provide a kind of Muffle furnace, which can improve the effect for melting the cristobalite on cylinder manifold
Rate, and the problem of the deforming that can drop to avoid overflow brick high temperature.
To achieve these goals, the present invention provides a kind of Muffle furnace, including Muffle furnace body, positioned at the Muffle furnace sheet
Internal overflow brick and a pair of of cylinder manifold, the pair of cylinder manifold is respectively installed to the opposite end of the overflow brick, wherein, institute
The heating unit for being removably installed respectively on the furnace wall of the opposite sides of Muffle furnace body and being useful for heating the cylinder manifold is stated,
The heating unit is set close to the cylinder manifold.
Optionally, the heating unit includes the heat resisting brick with mounting hole and the heating being inserted into the mounting hole
Stick.
Optionally, the inner end of the heating rod protrudes from the mounting hole and positioned at the underface of the cylinder manifold.
Optionally, the quantity of the heating rod is multiple.
Optionally, the inner end of the two neighboring heating rod links together.
Optionally, the heating rod is Elema.
Optionally, tool is there are four the mounting hole in the heat resisting brick, to install four Elemas.
Optionally, four Elemas are arranged on two rows and symmetrically in the heat resisting brick respectively, and
The spacing of upper two Elemas of row is more than the spacing of lower two Elemas of row.
Optionally, the Elema is polished rod Elema or spiral shape Elema.
Optionally, the outer profile of the cross section of the heat resisting brick is rectangular, and the heating unit is installed on the furnace wall
Edge machine mounting hole on.
Optionally, gripping stent has been removably secured on the heat resisting brick, the gripping stent is used to hold for human hand.
Optionally, the gripping stent include upper " ︹ " shape strut and under " ︹ " shape strut and be connected on described
" ︹ " shape strut and under " ︹ " shape strut end a pair of of holding rod and be connected to upper " ︹ " the shape strut and under
A pair of of fishbolt at the turning of " ︹ " shape strut.
Optionally, the heating rod by heating system heats and passes through temperature control system and controls temperature.
Through the above technical solutions, carrying out the high-temperature heating of part to the cylinder manifold in Muffle furnace by heating unit, make
The heating for obtaining cylinder manifold is more concentrated, and more effectively, is come off so that the cristobalite on cylinder manifold rapidly melts, is shortened elimination
The time of cristobalite on cylinder manifold improves efficiency, reduces electric energy loss, cost is reduced, in addition, due to not needing to be whole to Muffle furnace
Body increases temperature, the situation for the deformation that can drop to avoid overflow brick high temperature.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings：
Fig. 1 is the dimensional structure diagram for the Muffle furnace that the preferred embodiment for the present invention provides；
Fig. 2 is the configuration schematic diagram for the Muffle furnace that the preferred embodiment for the present invention provides；
Fig. 3 is the side structure schematic view for the Muffle furnace that the preferred embodiment for the present invention provides；
Fig. 4 is the structural representation that the heating unit that the preferred embodiment for the present invention provides is installed on the furnace wall of Muffle furnace
Figure.
Reference sign
10 Muffle furnace body, 11 overflow brick, 12 cylinder manifold
20 heating unit, 21 heat resisting brick, 22 heating rod
" ︹ " shape strut under " ︹ " shape strut 232 on 23 gripping stents 231
233 holding rod, 234 fishbolt
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower, left and right " used is typically root
For the page of attached drawing, " inside and outside " be for Muffle furnace, specifically, close to Muffle furnace be inside,
It is outside far from Muffle furnace.
As shown in Figure 1 to Figure 3, the present invention provides a kind of Muffle furnace, including Muffle furnace body 10, positioned at Muffle furnace body 10
Interior overflow brick 11 and a pair of of cylinder manifold 12, a pair of of cylinder manifold 12 is respectively installed to the opposite end of overflow brick 11, wherein, Muffle
The heating unit 20 for being useful for heating cylinder manifold 12, heating are removably installed on the furnace wall of the opposite sides of furnace body 10 respectively
Device 20 is set close to cylinder manifold 12.
Local high-temperature heating is carried out to the cylinder manifold 12 in Muffle furnace by heating unit 20 so that cylinder manifold 12 adds
Heat is more concentrated, and more effectively, is come off so that the cristobalite on cylinder manifold 12 rapidly melts, and is shortened and is eliminated on cylinder manifold 12
The time of cristobalite improves efficiency, reduces electric energy loss, cost is reduced, in addition, due to not needing to integrally increase temperature to Muffle furnace
Degree, the situation for the deformation that can drop to avoid overflow brick high temperature.
Wherein, any dress that cylinder manifold 12 can be heated that heating unit 20 can be well known to those skilled in the art
It puts, the invention is not limited in this regard, among all belonging to the scope of protection of the present invention.
As a preferred embodiment, as shown in Fig. 2, heating unit 20 include with mounting hole heat resisting brick 21,
And it is inserted into the heating rod 22 in the mounting hole.Wherein, heat resisting brick 21 can play heat preservation to cylinder manifold 12 and heating rod 22
Heat-insulated effect.Specifically, heat resisting brick 21 can be alumina hollow ball material.
Melt the efficiency of cristobalite to improve, the inner end of heating rod 22 protrude from mounting hole and positioned at cylinder manifold 12 just under
Side.
Melt the efficiency of cristobalite to further improve, the quantity of heating rod 22 is multiple.
To improve the efficiency of heating surface of heating rod 22, the inner end of two neighboring heating rod 22 links together.That is, two heating
Stick 22 forms a U-shaped structure.For example, the quantity of heating rod 22 can be odd number, at this point, having multiple U-shapeds in heat resisting brick 21
Structure and a heating rod 22.
Since Elema has, temperature in use is high, high temperature resistant, anti-oxidant, corrosion-resistant, quick heating, long lifespan, high temperature deformation
The features such as small, convenient to install and maintain, and have good chemical stability.Heating rod 22 is preferably Elema.
Melt the efficiency of cristobalite to be improved as much as possible in the limited space of heat resisting brick 21, as shown in Figure 3 and Figure 4,
Tool is there are four mounting hole in heat resisting brick 21, to install four Elemas.
To install thicker Elema as much as possible in the limited space of heat resisting brick 21, so as to improve the heating of Elema
Efficiency, as shown in figure 3, four Elemas are arranged on two rows and symmetrically in heat resisting brick 21 respectively, and upper row two
The spacing of a Elema is more than the spacing of lower two Elemas of row.
Wherein, the inner end of four Elemas can be respectively connected together with two rows, for ease of being more concentrated to confluence
Plate 12 is heated, and the efficiency of heating surface is improved, as shown in figure 3, the left and right two rows of the inner end of four Elemas are respectively connected together.
Specifically, Elema is polished rod Elema or spiral shape Elema.
Since edge machine mounting hole is set close to cylinder manifold 12, melt the efficiency of cristobalite, the horizontal stroke of heat resisting brick 21 to improve
The outer profile in section is rectangular, and heating unit 20 is installed on the edge machine mounting hole on furnace wall.
It is fixed for convenience of the handling and position of heating unit 20, has been removably secured on heat resisting brick 21 and has held stent 23,
Stent 23 is held to be used to hold for human hand.
Specifically, as shown in Figures 2 to 4, it holds stent 23 and includes upper " ︹ " shape strut 231 " ︹ " shape strut 232 under,
Be connected to " ︹ " shape strut 231 and under " ︹ " shape strut 232 end a pair of of holding rod 233 and connect respectively
It is connected on a pair of of fishbolt 234 at the turning of " ︹ " shape strut 232 under of " ︹ " shape strut 231.
To realize the heating to heating rod 22, and accurate temperature control is carried out to heating rod 22, heating rod 22 is by adding
Hot systems, which heat and pass through temperature control system, controls temperature.For example, heating system can be realized in setting time interval so that heating
Device 20 is gradually heated and is cooled down.
In use, heating unit 20 can be electrically connected with electric wire and heating system and temperature control system first, then
Heating unit 20 is put into holding furnace, when heat preservation in-furnace temperature reaches 1300 DEG C, heating unit 20 is taken from holding furnace
Go out, on the furnace wall for the opposite sides for being installed to Muffle furnace body 10, cylinder manifold 12 is pointedly heated, so as to reality
Cristobalite on existing fast melt cylinder manifold 12, finishes when cristobalite dissolves, can heating unit 20 be moved again to guarantor again
In warm stove, to realize heating and thermal insulation and slow cooling to Elema, prevent Elema from being caused by the change dramatically of temperature
Damage.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of Muffle furnace, including Muffle furnace body (10), the overflow brick (11) and one in the Muffle furnace body (10)
To cylinder manifold (12), the pair of cylinder manifold (12) is respectively installed to the opposite end of the overflow brick (11), which is characterized in that
It is removably installed respectively on the furnace wall of the opposite sides of the Muffle furnace body (10) and is useful for heating the cylinder manifold (12)
Heating unit (20), the heating unit (20) close to the cylinder manifold (12) set, the heating unit (20) include tool
Heat resisting brick (21) and four heating rods (22) being inserted into four mounting holes there are four mounting hole, the heating rod
(22) inner end protrudes from the mounting hole and positioned at the underface of the cylinder manifold (12), and the heating rod (22) is silicon-carbon
Stick, four Elemas are arranged on two rows and symmetrically in the heat resisting brick (21) respectively, and upper row two
The spacing of the Elema is more than the spacing of lower two Elemas of row, connects positioned at the inner end of two Elemas in left side
It is connected together, links together positioned at the inner end of two Elemas on right side.
2. Muffle furnace according to claim 1, which is characterized in that the Elema is polished rod Elema or spiral shape silicon-carbon
Stick.
3. Muffle furnace according to claim 1, which is characterized in that the outer profile of the cross section of the heat resisting brick (21) is side
Shape, the heating unit (20) are installed on the edge machine mounting hole on the furnace wall.
4. Muffle furnace according to claim 1, which is characterized in that be removably secured gripping on the heat resisting brick (21)
Stent (23), the gripping stent (23) is for for human hand gripping.
5. Muffle furnace according to claim 4, which is characterized in that the gripping stent (23) includes upper " ︹ " shape strut
(231) and under " ︹ " shape strut (232) and be connected to upper " ︹ " the shape strut (231) and under " ︹ " shape strut (232)
End a pair of of holding rod (233) and be connected to upper " ︹ " the shape strut (231) and under " ︹ " shape strut
(232) a pair of of fishbolt (234) at turning.
6. Muffle furnace according to claim 1, which is characterized in that the heating rod (22) is by heating system heats and leads to
Cross temperature control system control temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022751.4A CN105645738B (en) | 2015-12-29 | 2015-12-29 | Muffle furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022751.4A CN105645738B (en) | 2015-12-29 | 2015-12-29 | Muffle furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105645738A CN105645738A (en) | 2016-06-08 |
| CN105645738B true CN105645738B (en) | 2018-06-26 |
Family
ID=56490809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511022751.4A Active CN105645738B (en) | 2015-12-29 | 2015-12-29 | Muffle furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105645738B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7197503B2 (en) | 2017-04-24 | 2022-12-27 | コーニング インコーポレイテッド | Fusion draw device and method for producing glass ribbon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203639315U (en) * | 2013-08-01 | 2014-06-11 | 富荞企业管理顾问有限公司 | Overflow tank temperature compensation system |
| CN204251494U (en) * | 2014-11-19 | 2015-04-08 | 芜湖东旭光电科技有限公司 | A kind of edge machine installing port blocking device |
| CN204550379U (en) * | 2015-02-03 | 2015-08-12 | 彩虹（合肥）液晶玻璃有限公司 | A kind of liquid crystal substrate glass retort furnace brick point drainage plate crystallization thing high temperature treating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026136A1 (en) * | 2010-08-27 | 2012-03-01 | ＡｖａｎＳｔｒａｔｅ株式会社 | Device for manufacturing glass substrate and method for manufacturing glass substrate |
| JP5976290B2 (en) * | 2011-09-30 | 2016-08-23 | ＡｖａｎＳｔｒａｔｅ株式会社 | Manufacturing method of glass plate |
-
2015
- 2015-12-29 CN CN201511022751.4A patent/CN105645738B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203639315U (en) * | 2013-08-01 | 2014-06-11 | 富荞企业管理顾问有限公司 | Overflow tank temperature compensation system |
| CN204251494U (en) * | 2014-11-19 | 2015-04-08 | 芜湖东旭光电科技有限公司 | A kind of edge machine installing port blocking device |
| CN204550379U (en) * | 2015-02-03 | 2015-08-12 | 彩虹（合肥）液晶玻璃有限公司 | A kind of liquid crystal substrate glass retort furnace brick point drainage plate crystallization thing high temperature treating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105645738A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201306928Y (en) | Air circulation structure of large straight-flow furnace | |
| CN105645738B (en) | Muffle furnace | |
| CN201567292U (en) | Heating device for annealing furnace | |
| RU2496725C1 (en) | Method of glass articles fritting in furnace | |
| CN105112611A (en) | Metal heat treatment furnace | |
| CN101701329B (en) | Meter-class aluminum alloy forging ring quenching method | |
| CN104148434A (en) | Novel soaking constant-temperature heating furnace | |
| CN201002160Y (en) | High temperature welding furnace | |
| CN207091477U (en) | A kind of rapid thermal treatment stress-removal device | |
| CN204396530U (en) | A kind of school shape mould of modifiable titanium alloy member position location | |
| CN206037710U (en) | High temperature furnace sample rack | |
| CN206146208U (en) | Bionics core heat -generating body structure | |
| CN206736302U (en) | A kind of crosswind circulation internal heat type tunnel purity nitrogen protection annealing furnace | |
| CN208254220U (en) | A kind of Split type multifunction electric power heating furnace | |
| CN205843367U (en) | Resistor suspended fixing structure | |
| CN106834654A (en) | A kind of plumb joint annealing device | |
| CN103882195A (en) | Heat treatment technique for normalizing and tempering ZG275-485H steel | |
| CN106480267A (en) | A kind of quenching unit for being conducive to improving metal quenching degree | |
| CN203159682U (en) | Aluminum profile quenching furnace temperature controller | |
| CN202594958U (en) | Improved structure for furnace body of automobile glass tempering furnace | |
| CN103539341A (en) | Toughening furnace temperature raising method | |
| CN103103316A (en) | Progressive electric heating furnace | |
| CN202208682U (en) | Glass-ceramic product used flat screen type instant toughening furnace | |
| CN202008300U (en) | Electric heating furnace convenient to maintain | |
| CN207528537U (en) | A kind of material cold-heat circulation test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-temperature muffle furnace nine-time thermometry Effective date of registration: 20200713 Granted publication date: 20180626 Pledgee: Beijing State Owned Financial Leasing Co., Ltd Pledgor: WUHU TUNGHSU PHOTOELECTRIC SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2020990000738 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |