CN113654343A - Muffle furnace silicon carbide heating system for manufacturing flexible glass and muffle furnace - Google Patents
Muffle furnace silicon carbide heating system for manufacturing flexible glass and muffle furnace Download PDFInfo
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- CN113654343A CN113654343A CN202110745278.1A CN202110745278A CN113654343A CN 113654343 A CN113654343 A CN 113654343A CN 202110745278 A CN202110745278 A CN 202110745278A CN 113654343 A CN113654343 A CN 113654343A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 371
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 151
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 239000011521 glass Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000003780 insertion Methods 0.000 claims abstract description 55
- 230000037431 insertion Effects 0.000 claims abstract description 49
- 239000011449 brick Substances 0.000 claims description 20
- 229910052573 porcelain Inorganic materials 0.000 claims description 19
- 239000007788 liquid Substances 0.000 description 19
- 239000012212 insulator Substances 0.000 description 6
- 230000004941 influx Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
- F27B5/14—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
- F27B5/18—Arrangement of controlling, monitoring, alarm or like devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a muffle furnace silicon carbide heating system for manufacturing flexible glass, which comprises a silicon carbide box body, wherein a bottom heating rod, a middle heating rod and a top heating rod are sequentially arranged on two sides of the silicon carbide box body from bottom to top; a plurality of far-end vertical insertion heating rods are arranged at the far-end part of the silicon carbide box body; lateral parts are further arranged on two sides of the near end of the silicon carbide box body and two sides of the far end of the silicon carbide box body, and the bottom heating rod, the middle heating rod, the top heating rod, the near end heating rod and the far end heating rod are located between the lateral parts of the lateral parts and the lateral walls of the silicon carbide box body. The invention can accurately control the temperature of the silicon carbide box body.
Description
Technical Field
The invention belongs to the technical field of flexible glass manufacturing, and particularly relates to a muffle furnace silicon carbide heating system for manufacturing flexible glass and a muffle furnace.
Background
The muffle furnace silicon carbide heating system is important equipment of a flexible glass hot end production line, is used for heating and controlling the temperature of glass liquid after entering a muffle furnace, is used as a heating device of a muffle furnace brick cavity and a silicon carbide box body, and belongs to the key equipment of the muffle furnace.
In flexible glass production process, the hot junction production is for lasting incessant formula production, muffle furnace carborundum heating system in process of production, and the temperature of carborundum box is unreasonable, and unfavorable glass liquid temperature control influences the temperature regulation of muffle furnace cavity to influence flexible glass production yields.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a muffle furnace silicon carbide heating system for manufacturing flexible glass and a muffle furnace, and solves the problems that the temperature of a silicon carbide box body is difficult to control and the temperature of glass liquid in the silicon carbide box body is not easy to control at present.
In order to achieve the purpose, the invention provides the following technical scheme: a muffle furnace silicon carbide heating system for manufacturing flexible glass comprises a silicon carbide box body, wherein a bottom heating rod, a middle heating rod and a top heating rod are sequentially arranged on two sides of the silicon carbide box body from bottom to top;
the far-end part of the silicon carbide box body is provided with a plurality of far-end vertical insertion heating rods;
the near-end both sides of carborundum box and the distal end both sides of carborundum box have still been arranged the lateral part and have been erect and insert the heating rod, bottom heating rod, middle part heating rod, top heating rod, near-end heating rod and distal end heating rod all are located the lateral part and erect and insert between the lateral wall of heating rod and carborundum box.
Furthermore, the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod and the top heating rod are not in contact with the side wall of the silicon carbide box body and the side vertical insertion heating rods;
the far-end vertical insertion heating rod is not contacted with the far-end part of the silicon carbide box body.
Further, the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod, the top heating rod, the lateral vertical insertion heating rod and the far-end vertical insertion heating rod are all sleeved with insulating porcelain sleeves.
Further, the near-end heating rod, the far-end heating rod, the lateral part are inserted vertically into the heating rod, and the far-end is inserted vertically into the heating rod and is all sleeved with a silicon carbide sleeve, wherein the silicon carbide sleeve is connected with the insulating porcelain bushing.
Furthermore, the insulating porcelain bushing adopts a 99-porcelain bushing;
the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod, the top heating rod, the lateral part vertical insertion heating rod and the far-end vertical insertion heating rod are all silicon carbide heating rods.
Furthermore, the two sides of the silicon carbide box body are respectively connected with wing plates, semicircular holes for inserting heating rods vertically are formed in the embedded side portions of the wing plates, and the wing plates are located between the bottom heating rod and the middle heating rod.
Furthermore, the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod and the top heating rod are all arranged along the length direction of the side edge of the silicon carbide box body;
and the far-end vertical insertion heating rod and the lateral vertical insertion heating rod are arranged along the height direction of the silicon carbide box body.
Further, the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod, the top heating rod, the lateral vertical insertion heating rod and the far-end vertical insertion heating rod are respectively three sections of heating rods, five sections of heating rods or spiral heating rods.
The invention also provides the muffle furnace, which comprises a muffle furnace brick cavity and the muffle furnace silicon carbide heating system for manufacturing the flexible glass, wherein the silicon carbide box body is supported in the muffle furnace brick cavity.
Furthermore, the near-end face of the muffle furnace brick structure cavity is provided with near-end support holes which are in one-to-one correspondence with the bottom heating rod, the middle heating rod, the near-end heating rod and the top heating rod, and the far-end face of the muffle furnace brick structure cavity is provided with far-end support holes which are in one-to-one correspondence with the bottom heating rod, the middle heating rod, the far-end heating rod and the top heating rod;
the top of muffle furnace brick cavity is equipped with the top apron, the inner wall and the distal end of top apron are inserted the heating rod and the lateral part is inserted the heating rod and is connected perpendicularly.
Compared with the prior art, the invention has at least the following beneficial effects:
the invention provides a muffle furnace silicon carbide heating system for manufacturing flexible glass, which ensures that the temperature of a position, close to a heating position, of a silicon carbide box body is stable within a certain range by arranging a bottom heating rod, a middle heating rod and a top heating rod in sequence from bottom to top on two sides of the silicon carbide box body, meanwhile, the near-end heating rod and the far-end heating rod which are arranged on the two sides of the silicon carbide box body can ensure that the glass liquid flows into the muffle furnace from the beginning, the state of the glass liquid enters a strict control area, three vertical inserting heating rods are arranged at the far end of the silicon carbide box body, so that the viscosity is increased along with the flowing of the glass liquid from the near end to the far end, the flowing of the glass liquid is not facilitated, the temperature at the far end of the silicon carbide box body is ensured by arranging the far end vertical inserting heating rod, thereby reducing the viscosity of the glass liquid, and finally solving the flow rate of the glass liquid in the production of the flexible glass, thereby ensuring the smooth production of the flexible glass. And the lateral parts of the two sides of the silicon carbide box body are vertically inserted with heating rods, and the heating rods are arranged at the far and near ends of the silicon carbide box body and are the positions of the glass far and near end drainage plates, so that the temperature controllability of glass liquid at the drainage plates is ensured, and the glass liquid can be smoothly left and can not stay on the drainage plates too fast or too slowly. And near-end heating rod and distal end heating rod can assist and vertically insert the heating rod and heat, and whole heating system sets up around the carborundum box with the mode that complements each other, and the heating rod through each position of carborundum box makes the carborundum box conversion bear the heat energy field, reaches accurate control, and the influence gets into muffle furnace glass liquid state, is favorable to the smooth overflow of glass liquid and down.
Furthermore, the heating rod is not in contact with the silicon carbide box body, and uniform heat conduction of the heating rod is facilitated.
Further, all the cover is equipped with insulating porcelain bushing on the heating rod, can insulate and prevent that insulating porcelain bushing and heating rod from producing the adhesion in the heating atmosphere.
Furthermore, the near-end heating rod, the far-end heating rod, the lateral part vertical insertion heating rod and the far-end vertical insertion heating rod are all sleeved with silicon carbide sleeves, and uniform heat conduction of the heating rods is facilitated.
Furthermore, the temperature difference of the glass liquid at the corresponding bottom heating rod and the middle heating rod in the silicon carbide box body is higher, the bottom heating rod and the middle heating rod are separated through the wing plates, and the temperature control of the heating rods on the silicon carbide box body is facilitated.
Furthermore, the silicon carbide heating systems are reasonably distributed, and the heating rods are arranged around the silicon carbide box body in a staggered mode; by the aid of horizontal arrangement and vertical arrangement, accurate control of each point position can be achieved, decisive effect is achieved on control of the state of glass liquid flowing into the muffle furnace, continuity in the production process of flexible glass is solved, and normal stable production is guaranteed.
Further, the bottom heating rod, the middle heating rod, the near-end heating rod, the far-end heating rod, the top heating rod, the lateral part are vertically inserted into the heating rod, the far-end is vertically inserted into the heating rod and is respectively a three-section heating rod, a five-section heating rod or a spiral heating rod, the temperature of each part of the heating rod is more conveniently controlled, and therefore the temperature of each part of the silicon carbide box is more accurately controlled.
The invention also provides the muffle furnace, wherein the heating rods are regularly arranged and are arranged around the silicon carbide box body in a staggered manner; no matter be the level, still vertical, the accurate control of every position can be accomplished, has played the decisive action to the glass liquid state control of influx muffle furnace, solves the continuity in the flexible glass production process, guarantees normal stable production.
Drawings
FIG. 1 is a front view of a muffle furnace silicon carbide heating system;
FIG. 2 is a left side view of a muffle furnace silicon carbide heating system;
FIG. 3 is a top view of a muffle furnace silicon carbide heating system;
FIG. 4 is a top view of a muffle brick cavity;
FIG. 5 is a left side view of the muffle brick cavity.
In the drawings: 1-an insulating porcelain bushing, 2-a bottom heating rod, 3-a middle heating rod, 4-a near-end heating rod, 5-a near-end heating rod insulating porcelain bushing, 6-a top heating rod, 7-a near-end heating rod silicon carbide sleeve, 8-a lateral vertical insertion heating rod silicon carbide sleeve, 9-a lateral vertical insertion heating rod insulating porcelain bushing, 10-a lateral vertical insertion heating rod, 11-a distal vertical insertion heating rod insulating porcelain bushing, 12-a distal heating rod, 13-a distal vertical insertion heating rod silicon carbide sleeve, 14-a distal vertical insertion heating rod insulating porcelain bushing, 15-a distal vertical insertion heating rod, 16-a distal vertical insertion heating rod silicon carbide sleeve, 17-a left side plate of a silicon carbide box, 18-a right side plate of a silicon carbide box, 19-a left wing plate of a silicon carbide box, 20-a right wing plate of a silicon carbide box, 21-end plate at far end of silicon carbide box, 22-muffle brick cavity and 23-support hole.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, 2 and 3, the present invention provides a muffle furnace silicon carbide heating system for manufacturing flexible glass, which comprises a silicon carbide box body, wherein seven groups of heating rods are arranged around the silicon carbide box body, and are respectively a first bottom heating group, a second middle heating group, a third near-end heating group, a fourth top heating group, a fifth side vertical insertion heating group, a sixth group far-end heating group and a seventh group far-end vertical insertion heating group, the seven groups of heating rods are respectively arranged around the silicon carbide box body according to a rule to form heat quantity supplement for the silicon carbide box body, and the power of the silicon carbide heating rods at a corresponding position is adjusted at any time according to the state of glass liquid flowing into the muffle furnace, so as to achieve the purpose of influencing the state of the glass liquid. Based on this, the silicon carbide heating system is reasonably distributed and is arranged around the silicon carbide box body in a staggered way; no matter it is horizontal, still vertical, accomplish the accurate control of every position, played the decisive role to the glass liquid state control of influx muffle furnace, solved the continuity in the flexible glass production process, guaranteed normal stable production.
In the embodiment, a bottom heating rod 2, a middle heating rod 3 and a top heating rod 6 are sequentially arranged on two sides of a silicon carbide box body from bottom to top, a near-end heating rod 4 and a far-end heating rod 12 are further respectively arranged on two sides of a near end of the silicon carbide box body and two sides of a far end of the silicon carbide box body, the far-end heating rod 12 and the near-end heating rod 4 are located on the same horizontal plane, the far-end heating rod 12 and the near-end heating rod 4 are not in contact with each other, and the near-end heating rod 4 and the far-end heating rod 12 are both located between the middle heating rod 3 and the top heating rod 6;
the far end part of the silicon carbide box body is provided with a plurality of far end vertical insertion heating rods 15;
lateral vertical-insertion heating rods 10 are further arranged on two sides of the near end of the silicon carbide box body and two sides of the far end of the silicon carbide box body, and the bottom heating rod 2, the middle heating rod 3, the top heating rod 6, the near end heating rod 4 and the far end heating rod 12 are located between the lateral vertical-insertion heating rods 10 and the lateral wall of the silicon carbide box body.
In the embodiment, the bottom heating rod 2, the middle heating rod 3, the near-end heating rod 4, the far-end heating rod 12 and the top heating rod 6 are all arranged along the length direction of the side edge of the silicon carbide box body; the far-end vertical insertion heating rod 15 and the side vertical insertion heating rod 10 are arranged along the height direction of the silicon carbide box body.
Specifically, the silicon carbide box comprises a left side plate 17 of the silicon carbide box and a right side plate 18 of the silicon carbide box, one end of the left side plate 17 of the silicon carbide box is connected with one end of the right side plate 18 of the silicon carbide box through other sealing materials, the other end of the left side plate 17 of the silicon carbide box is connected with the other end of the right side plate 18 of the silicon carbide box through a far end plate 21 of the silicon carbide box in an embedding manner, wherein, the bottom heating rods 2 are supported at the left and right sides of the bottom of the silicon carbide box, the middle heating rods 3 are supported at the left and right sides of the middle of the silicon carbide box, the near end heating rods 4 are supported at the left and right sides of the near end of the silicon carbide box, the top heating rods 6 are supported at the left and right sides of the top of the silicon carbide box, the side vertical insertion heating rods 10 are supported at the peripheral corners of the silicon carbide box, namely, the side vertical insertion heating rods 10 are positioned at two sides of the silicon carbide box, and the side vertical insertion heating rods 10 are respectively arranged near the near and far end of the silicon carbide box, the far-end heating rods 12 are supported at the left side and the right side of the far end of the silicon carbide box body, and the far-end vertical insertion heating rods 15 are supported at the far-end part of the silicon carbide box body; in the embodiment, the bottom heating rod 2, the middle heating rod 3, the near-end heating rod 4, the far-end heating rod 12 and the top heating rod 6 are not in contact with the side wall of the silicon carbide box body and the side vertical insertion heating rod 10; the distal vertical insertion heating rod 15 is not in contact with the distal end of the silicon carbide tank.
In this embodiment, the silicon carbide box left side plate 17 and the silicon carbide box right side plate 18 are respectively connected with wing plates, specifically, the silicon carbide box left side plate 17 is connected with a silicon carbide box left wing plate 19, the silicon carbide box right side plate 18 is provided with a silicon carbide box right wing plate 20, the middle heating rod 3 and the bottom heating rod 2 are separated by the silicon carbide box left wing plate 19 and the silicon carbide box right wing plate 20, and the influence between the middle heating rod 3 and the bottom heating rod 2 is avoided; moreover, semicircular holes are formed in the left wing plate 19 and the right wing plate 20 of the silicon carbide box body, and the heating rod 10 is inserted into the semicircular holes vertically at the side part.
In this embodiment, bottom heating rod 2, middle part heating rod 3, near-end heating rod 4, distal end heating rod 12, top heating rod 6, the lateral part is erect and is inserted heating rod 10 and the distal end and erect and insert all the cover and be equipped with insulating porcelain bushing on heating rod 15, preferably, near-end heating rod 4, distal end heating rod 12, the lateral part is erect and is inserted heating rod 10 and the distal end and erect and insert all the cover and be equipped with the carborundum sleeve that is used for even heat conduction on heating rod 15, carborundum sleeve and insulating porcelain bushing are connected. Specifically, the cover is equipped with near-end heating rod insulator 5 on the near-end heating rod 4, near-end heating rod insulator 5 is connected with near-end heating rod carborundum sleeve 7, the cover is equipped with the vertical inserting heating rod insulator 9 of lateral part on the vertical inserting heating rod 10 of lateral part, the vertical inserting heating rod insulator 9 of lateral part is connected with the vertical inserting heating rod carborundum sleeve 8 of lateral part, the cover is equipped with the vertical inserting heating rod insulator 14 of distal end on the vertical inserting heating rod 15 of distal end, the vertical inserting heating rod insulator 14 of distal end is connected with the vertical inserting heating rod carborundum sleeve 16 of distal end.
Preferably, the insulating porcelain bushing is a 99-porcelain bushing which can insulate and prevent adhesion with the silicon carbide rod in a heating atmosphere.
Preferably, the bottom heating rod 2, the middle heating rod 3, the near-end heating rod 4, the far-end heating rod 12, the top heating rod 6, the side vertical-insertion heating rod 10 and the far-end vertical-insertion heating rod 15 are all silicon carbide heating rods. A silicon carbide heating rod heated by a silicon carbide box body.
In the present embodiment, the bottom heating rod 2, the middle heating rod 3, the near-end heating rod 4, the far-end heating rod 12, the top heating rod 6, the side vertical insertion heating rod 10, and the far-end vertical insertion heating rod 15 are respectively three-segment heating rods, five-segment heating rods, or spiral heating rods. Specifically, the bottom heating rod 2 and the middle heating rod 3 are both five sections of heating rods, the near-end heating rod 4, the far-end heating rod 12, the lateral vertical insertion heating rod 10 and the far-end vertical insertion heating rod 15 are all spiral heating rods, and the top heating rod 6 is three sections of heating rods.
In another embodiment of the present invention, as shown in fig. 4 and 5, there is provided a muffle including a muffle brick cavity and a muffle silicon carbide heating system for manufacturing flexible glass as described above, the silicon carbide tank being supported in the muffle brick cavity.
Specifically, the near end face and the far end face of the muffle furnace brick cavity are both provided with support holes, wherein the near end face of the muffle furnace brick cavity is provided with near end support holes which are in one-to-one correspondence with the bottom heating rod 2, the middle heating rod 3, the near end heating rod 4 and the top heating rod 6, the far end face of the muffle furnace brick cavity is provided with far end support holes which are in one-to-one correspondence with the bottom heating rod 2, the middle heating rod 3, the far end heating rod 12 and the top heating rod 6, one ends of the bottom heating rod 2, the middle heating rod 3, the near end heating rod 4 and the top heating rod 2 extend into the near end support holes, and the other ends of the bottom heating rod 2, the middle heating rod 3, the far end heating rod 12 and the top heating rod 6 extend into the far end support holes; the top of the muffle furnace brick cavity is provided with a top cover plate, and the inner wall of the top cover plate is connected with a heating rod vertically inserted at the far end and a heating rod vertically inserted at the side part.
In the production process of the flexible glass, the production of the hot end is continuous production, and the arrangement of a muffle furnace silicon carbide heating system is very important in the production process. Based on the above, the silicon carbide heating system is reasonable in distribution and is arranged around the silicon carbide box body in a staggered mode; the invention can accurately control each point position regardless of the horizontal position or the vertical position, plays a decisive role in controlling the state of the molten glass flowing into the muffle furnace, solves the continuity in the production process of the flexible glass and ensures normal and stable production.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The muffle furnace silicon carbide heating system for manufacturing the flexible glass is characterized by comprising a silicon carbide box body, wherein bottom heating rods (2), middle heating rods (3) and top heating rods (6) are sequentially arranged on two sides of the silicon carbide box body from bottom to top, near-end heating rods (4) and far-end heating rods (12) are further respectively arranged on two sides of the near end of the silicon carbide box body and two sides of the far end of the silicon carbide box body, the far-end heating rods (12) and the near-end heating rods (4) are located on the same horizontal plane, the far-end heating rods (12) and the near-end heating rods (4) are not in contact with each other, and the near-end heating rods (4) and the far-end heating rods (12) are both located between the middle heating rods (3) and the top heating rods (6);
a plurality of far-end vertical insertion heating rods (15) are arranged at the far-end part of the silicon carbide box body;
the lateral part is still arranged to the near-end both sides of carborundum box and the distal end both sides of carborundum box and is erect and insert heating rod (10), bottom heating rod (2), middle part heating rod (3), top heating rod (6), near-end heating rod (4) and distal end heating rod (12) all are located the lateral part and erect and insert between the lateral wall of heating rod (10) and carborundum box.
2. A muffle furnace silicon carbide heating system for manufacturing flexible glass according to claim 1, characterized in that the bottom heating rod (2), the middle heating rod (3), the near end heating rod (4), the far end heating rod (12) and the top heating rod (6) are not in contact with the side wall of the silicon carbide box and the side vertical insertion heating rod (10);
the far-end vertical insertion heating rod (15) is not contacted with the far-end part of the silicon carbide box body.
3. The muffle furnace silicon carbide heating system for manufacturing the flexible glass according to claim 1, wherein the bottom heating rod (2), the middle heating rod (3), the near-end heating rod (4), the far-end heating rod (12), the top heating rod (6), the side vertical insertion heating rod (10) and the far-end vertical insertion heating rod (15) are all sleeved with insulating porcelain sleeves.
4. The muffle furnace silicon carbide heating system for manufacturing the flexible glass according to claim 3, wherein the near-end heating rod (4), the far-end heating rod (12), the side vertical-insertion heating rod (10) and the far-end vertical-insertion heating rod (15) are all sleeved with silicon carbide sleeves, and the silicon carbide sleeves are connected with an insulating porcelain bushing.
5. The muffle furnace silicon carbide heating system for manufacturing flexible glass according to claim 3, wherein the insulating porcelain bushing is a 99-porcelain bushing;
the bottom heating rod (2), the middle heating rod (3), the near-end heating rod (4), the far-end heating rod (12), the top heating rod (6), the lateral vertical insertion heating rod (10) and the far-end vertical insertion heating rod (15) are all silicon carbide heating rods.
6. The muffle furnace silicon carbide heating system for manufacturing the flexible glass according to claim 1, wherein two sides of the silicon carbide box are respectively connected with a wing plate, the wing plates are provided with semicircular holes for embedding side vertical insertion heating rods (10), and the wing plates are positioned between the bottom heating rod (2) and the middle heating rod (3).
7. The muffle furnace silicon carbide heating system for manufacturing flexible glass according to claim 1, wherein the bottom heating rod (2), the middle heating rod (3), the near end heating rod (4), the far end heating rod (12) and the top heating rod (6) are all arranged along the length direction of the side edge of the silicon carbide box body;
the far-end vertical insertion heating rod (15) and the side vertical insertion heating rod (10) are arranged along the height direction of the silicon carbide box body.
8. The muffle furnace silicon carbide heating system for manufacturing flexible glass according to claim 1, wherein the bottom heating rod (2), the middle heating rod (3), the near end heating rod (4), the far end heating rod (12), the top heating rod (6), the side vertical insertion heating rod (10) and the far end vertical insertion heating rod (15) are respectively three sections of heating rods, five sections of heating rods or spiral heating rods.
9. A muffle comprising a muffle brick cavity and a muffle silicon carbide heating system for manufacturing flexible glass as claimed in any of claims 1-8, wherein the silicon carbide box is supported in the muffle brick cavity.
10. The muffle furnace according to claim 9, wherein the near end face of the muffle furnace brick structure cavity is provided with near end support holes corresponding to the bottom heating rod (2), the middle heating rod (3), the near end heating rod (4) and the top heating rod (6) one by one, and the far end face of the muffle furnace brick structure cavity is provided with far end support holes corresponding to the bottom heating rod (2), the middle heating rod (3), the far end heating rod (12) and the top heating rod (6) one by one;
the top of muffle furnace brick cavity is equipped with the top apron, the inner wall and the distal end of top apron are inserted heating rod (15) and lateral part and are inserted heating rod (10) and connect perpendicularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745278.1A CN113654343A (en) | 2021-06-30 | 2021-06-30 | Muffle furnace silicon carbide heating system for manufacturing flexible glass and muffle furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745278.1A CN113654343A (en) | 2021-06-30 | 2021-06-30 | Muffle furnace silicon carbide heating system for manufacturing flexible glass and muffle furnace |
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| CN113654343A true CN113654343A (en) | 2021-11-16 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002249385A (en) * | 2001-02-22 | 2002-09-06 | Ibiden Co Ltd | Calcination furnace, method for removing silicon monoxide in calcination furnace and method for manufacturing silicon carbide filter |
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