CN213570825U - Graphite heater - Google Patents
Graphite heater Download PDFInfo
- Publication number
- CN213570825U CN213570825U CN202022193254.3U CN202022193254U CN213570825U CN 213570825 U CN213570825 U CN 213570825U CN 202022193254 U CN202022193254 U CN 202022193254U CN 213570825 U CN213570825 U CN 213570825U
- Authority
- CN
- China
- Prior art keywords
- heater
- vertical
- groove
- heating
- heating plates
- 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
Images
Landscapes
- Resistance Heating (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a graphite heater, which comprises a first heater, a second heater and an electrode rod, wherein the top of the first heater is detachably connected with the second heater, and the second heater is connected with the electrode rod; the first heater is formed by winding at least three first heating plates in a circumferential manner, the second heater is formed by winding at least three second heating plates in a circumferential manner, the second heating plates are connected with electrode rods, and the first connecting end and the second connecting end of each second heating plate connect two adjacent first heating plates. The utility model has the advantages of, through first heater and second heater cooperation setting, the electric current continues the first heater of downward flowing through again after the second heater generates heat through the electrode pole flow through for first heater and second heater all generate heat, have improved the heating space of this graphite heater, can satisfy bigger size crystal product growth condition demand, are favorable to growing out bulky, high-quality crystal.
Description
Technical Field
The utility model relates to a crystal growth equipment technical field specifically is a graphite heater.
Background
The sapphire has high hardness, high temperature resistance, corrosion resistance, wide transmission spectrum range, high transmittance and excellent dielectric property. Sapphire is widely applied in the fields of window materials and LED substrates due to excellent performance of sapphire. At present, in the field of crystal growth, particularly in the field of high-temperature crystal growth, tungsten, molybdenum and other refractory metals are mostly used as heating bodies and heat-insulating layer materials, and although the refractory metals have the advantages of high melting point, strong corrosion resistance, simple processing technology, low production cost and the like, in practical application, the energy consumption of crystal production equipment is high. To the enterprise that carries out extensive crystal growth, the consumption of charges of electricity is the main cost expenditure, uses refractory metal material to be unfavorable for enterprise reduction in production cost to the used refractory metal material of crystal growth stove no matter be heat-generating body or thermal-insulated screen, comparatively takes place to warp after a lot of high temperatures easily, in limited space in the furnace chamber, takes place to take place to draw short circuit phenomena such as arc between the material of deformation comparatively easily, therefore the crystal growth stove uses refractory material as hot area material vulnerable part change rate higher. Is quite disadvantageous for saving the production cost.
At present, the large-size sapphire growth mostly adopts a barrel wall-shaped graphite heater, a barrel wall graphite structure is grooved, and then three-phase electricity is introduced, so that current can uniformly flow through the barrel wall-shaped graphite heater, for example, Chinese utility model patent publication No. CN209323034U discloses a graphite heating element and a crystal growth furnace, wherein the graphite heating element is disclosed, because the graphite material is used as a conductive material, the graphite heating element has the characteristics of moderate resistance, stable performance, small deformation rate, low expansion coefficient, good corrosion resistance, long service life and the like, the energy consumed by the crystal growth furnace equipment can be reduced under the condition of ensuring the heating effect, and the condition that heating elements deform due to high temperature can be avoided. However, with the iterative upgrade of products, the requirements on the crystal size are higher and higher, and the graphite heating element cannot meet the requirements on the growth conditions of the crystal products with larger sizes, so that the graphite heating element is not beneficial to growing crystals with large volume and high quality.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a graphite heater which is beneficial to growing large-volume and high-quality crystals.
In order to solve the technical problem, the utility model provides a following technical scheme:
a graphite heater comprises a first heater, a second heater and an electrode rod, wherein the top of the first heater is detachably connected with the second heater, and the second heater is connected with the electrode rod.
The first heater is the circumference by at least three first hot plate and winds establishing and form, first hot plate vertical cross-section is the L shape, the tip of first hot plate horizontal segment all sets up towards circumference central direction, has first clearance between two adjacent first hot plates.
The second heater is formed by winding at least three second heating plates in a circumferential mode, a second gap is formed between every two adjacent second heating plates, the electrode rods are connected to the at least three second heating plates, second vertical through grooves are formed in the bottoms of the second heating plates, the bottoms of the second heating plates are divided into first connecting ends and second connecting ends, and the first connecting ends and the second connecting ends of the second heating plates connect the two adjacent vertical sections of the first heating plates.
Through the cooperation setting of first heater and second heater, the electric current continues downwards to flow through first heater after passing through the second heater of electrode rod flow through and generating heat for first heater and second heater all generate heat, have improved this graphite heater's heating space, can satisfy the growth condition demand of bigger size crystal product, are favorable to growing out bulky, high-quality crystal.
Preferably, the first connecting end and the second connecting end are connected with the first heating plate through graphite bolts, the first heater and the second heater can be disassembled into a plurality of first heating plates and second heating plates which are arranged in bulk through the arrangement of the graphite bolts, the whole processing is changed into a dismounting type, the material and processing cost is greatly reduced, the storage is convenient, and the space occupation is reduced.
Preferably, the seed chuck is a tungsten chuck.
Preferably, the first gap is communicated with the second vertical through groove, and the width of the first gap is equal to that of the second straight through groove.
Preferably, a first vertical through groove is formed in the top of the vertical section of the first heating plate, and the first vertical through groove extends towards the bottom of the first heating plate.
Preferably, the first vertical through groove is arranged along a vertical section vertical center line of the first heating plate.
Preferably, a horizontal through groove is formed in the horizontal section of the first heating plate, one end of the horizontal through groove is communicated with the first vertical through groove, and the other end of the horizontal through groove extends towards the end part of the horizontal section of the first heating plate.
Preferably, the second gap communicates with the first vertical through slot; through the intercommunication and the second clearance of the vertical logical groove of first clearance and second, the first vertical logical groove and the intercommunication that the groove was led to the level to make this graphite heater be a electrically conductive heating structure of establishing ties in proper order by a plurality of first hot plates and second hot plate and constitute, owing to lead to the groove the mode with the straight line and separate, simple process in the manufacturing, the outward appearance is clean and tidy simultaneously, and stable in structure.
Preferably, the second gap width, the first vertical through groove width and the horizontal through groove width are all equal.
Preferably, the second vertical through groove is disposed along a vertical central line of the second heating plate.
Preferably, a connecting hole for connecting the electrode rod is formed in the second heating plate right above the second vertical through groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the cooperation setting of first heater and second heater, the electric current continues downwards to flow through first heater after passing through the second heater of electrode rod flow through and generating heat for first heater and second heater all generate heat, have improved this graphite heater's heating space, can satisfy the growth condition demand of bigger size crystal product, are favorable to growing out bulky, high-quality crystal.
2. Through the setting of graphite bolt, can dismantle into a plurality of first hot plates in bulk and second hot plate with first heater and second heater, become the reassembling type by whole processing, reduce the cost of material and processing by a wide margin to also convenient storage reduces the occupation of space.
3. Through the intercommunication and the second clearance of the vertical logical groove of first clearance and second, the first vertical logical groove and the intercommunication that the groove was led to the level to make this graphite heater be a electrically conductive heating structure of establishing ties in proper order by a plurality of first hot plates and second hot plate and constitute, owing to lead to the groove the mode with the straight line and separate, simple process in the manufacturing, the outward appearance is clean and tidy simultaneously, and stable in structure.
Drawings
Fig. 1 is a schematic structural diagram of a graphite heater according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of the first heating plate and the second heating plate according to the embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the embodiment discloses a graphite heater, which includes a first heater, a second heater and electrode rods 1, wherein the top of the first heater is detachably connected to the second heater, the second heater is connected to three electrode rods 1, and the electrode rods 1 are distributed in a regular triangle; through the cooperation setting of first heater and second heater, the electric current continues downwards to flow through first heater after passing through the second heater that the electrode rod 1 generates heat for first heater and second heater all generate heat, have improved this graphite heater's heating space, can satisfy the growth condition demand of bigger size crystal product, are favorable to growing out bulky, high-quality crystal.
The first heater is the circumference by at least three first hot plate 2 and winds establishing and form, 2 vertical cross-sections of board of first heating are the L shape, the tip of 2 horizontal segments of first hot plate all sets up towards circumference central direction, has first clearance 3 between two adjacent first hot plate 2.
First vertical through groove 21 has been seted up along vertical central line at the vertical section top of first hot plate 2, first vertical through groove 21 extends towards first hot plate 2 bottom, horizontal through groove 22 has been seted up to the horizontal segment of first hot plate 2, horizontal through groove 22 one end with first vertical through groove 21 intercommunication, the other end extends towards the tip of first hot plate 2 horizontal segment.
The second heater is formed by winding at least three second heating plates 4 in a circumferential manner, a second gap 5 is formed between every two adjacent second heating plates 4, second vertical through grooves 41 extending towards the top are formed in the bottoms of the second heating plates 4 along the vertical center line, the bottoms of the second heating plates 4 are divided into first connecting ends 42 and second connecting ends 43 by the second vertical through grooves 41, the first connecting ends 43 and the second connecting ends 43 of the second heating plates 4 connect the vertical sections of the two adjacent first heating plates 2 through graphite bolts 6, and connecting holes 44 for connecting electrode rods 1 are formed in the second heating plates 4 right above the second vertical through grooves 41.
Specifically, the inner walls of the first connecting end 43 and the second connecting end 43 are attached to the outer walls of the two adjacent first heating plates 2, detachable connection is achieved through the graphite bolts 6, meanwhile, the first heater and the second heater are detached into the first heating plates 2 and the second heating plates 4 which are in bulk through detaching the graphite bolts 6, the whole processing mode is changed into the detachable mode, the material and processing cost is greatly reduced, storage is convenient, and space occupation is reduced.
Further, the first gap 3 is communicated with the second vertical through groove 41, the width of the first gap 3 is equal to that of the second straight through groove 41, one end, far away from the horizontal through groove, of the first vertical through groove 21 is communicated with the second gap 5, and the width of the second gap 5, the width of the first vertical through groove 21 and the width of the horizontal through groove 22 are equal, so that the graphite heater is a conductive heating structure formed by sequentially connecting a plurality of first heating plates 2 and second heating plates 4 in series.
The utility model discloses a theory of operation is: the first connecting end 43 and the second connecting end 43 of the second heating plate 4 are connected with the vertical sections of the two adjacent first heating plates 2 in sequence through the graphite bolt 6, then the first heating plates 2 and the second heating plates 4 are sequentially connected in series to form a conductive heating structure of the first heater and the second heater, the electrode rod 1 is fixed on the connecting hole 44, and finally current flows through the electrode rod 1 through the second heater to heat and then continuously flows downwards through the first heater, so that the first heater and the second heater are heated, the heating space of the graphite heater is increased, the growth condition requirements of larger-size crystal products can be met, and the growth of large-size and high-quality crystals is facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (10)
1. A graphite heater, characterized by: the heater comprises a first heater, a second heater and an electrode rod, wherein the top of the first heater is detachably connected with the second heater, and the second heater is connected with the electrode rod;
the first heater is formed by winding at least three first heating plates in a circumferential manner, the vertical cross section of each first heating plate is in an L shape, the end parts of the horizontal sections of the first heating plates are arranged towards the circumferential center direction, and a first gap is formed between every two adjacent first heating plates;
the second heater is formed by winding at least three second heating plates in a circumferential mode, a second gap is formed between every two adjacent second heating plates, the electrode rods are connected to the at least three second heating plates, second vertical through grooves are formed in the bottoms of the second heating plates, the bottoms of the second heating plates are divided into first connecting ends and second connecting ends, and the first connecting ends and the second connecting ends of the second heating plates connect the two adjacent vertical sections of the first heating plates.
2. A graphite heater as claimed in claim 1, wherein: the first connecting end and the second connecting end are connected with the first heating plate through graphite bolts.
3. A graphite heater as claimed in claim 1, wherein: the first gap is communicated with the second vertical through groove, and the width of the first gap is equal to that of the second vertical through groove.
4. A graphite heater as claimed in claim 1, wherein: first vertical logical groove has been seted up at the vertical section top of first hot plate, first vertical logical groove extends towards first hot plate bottom.
5. The graphite heater of claim 4, wherein: the first vertical through groove is arranged along a vertical center line of a vertical section of the first heating plate.
6. The graphite heater of claim 4, wherein: the horizontal section of the first heating plate is provided with a horizontal through groove, one end of the horizontal through groove is communicated with the first vertical through groove, and the other end of the horizontal through groove extends towards the end part of the horizontal section of the first heating plate.
7. The graphite heater of claim 6, wherein: the second gap is in communication with the first vertical through slot.
8. The graphite heater of claim 7, wherein: the second gap width, the first vertical through groove width and the horizontal through groove width are equal.
9. A graphite heater as claimed in claim 1, wherein: the second vertical through groove is arranged along the vertical center line of the second heating plate.
10. A graphite heater as claimed in claim 1, wherein: and a connecting hole for connecting the electrode rod is formed in the second heating plate right above the second vertical through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193254.3U CN213570825U (en) | 2020-09-29 | 2020-09-29 | Graphite heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193254.3U CN213570825U (en) | 2020-09-29 | 2020-09-29 | Graphite heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213570825U true CN213570825U (en) | 2021-06-29 |
Family
ID=76579843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022193254.3U Active CN213570825U (en) | 2020-09-29 | 2020-09-29 | Graphite heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213570825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125622A (en) * | 2022-05-23 | 2022-09-30 | 平顶山市博翔碳素有限公司 | Graphite heater and single crystal furnace comprising same |
-
2020
- 2020-09-29 CN CN202022193254.3U patent/CN213570825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125622A (en) * | 2022-05-23 | 2022-09-30 | 平顶山市博翔碳素有限公司 | Graphite heater and single crystal furnace comprising same |
| CN115125622B (en) * | 2022-05-23 | 2024-03-26 | 平顶山市博翔碳素有限公司 | Graphite heater and contain single crystal growing furnace of graphite heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213570825U (en) | Graphite heater | |
| CN103469295B (en) | A kind of sapphire crystal growing furnace with three well heaters | |
| CN201254524Y (en) | Novel glass fiber forming drawing platinum-rhodium alloy bushing plate | |
| CN202350534U (en) | Heating element and testing smelting furnace adopting same | |
| CN101845641A (en) | Immersion-type rare earth electrolyzer | |
| CN205258005U (en) | Heating device , carbonization equipment and graphitization equipment | |
| CN2449169Y (en) | All electric melting combined kiln furnace | |
| CN113979616A (en) | Bottom contact platinum melting device and method for optical glass slag production | |
| CN214327967U (en) | Bottom heater of single crystal furnace | |
| CN208127378U (en) | A kind of harmonica-shaped tube structure water-cooled plate with increase film-cooled heat | |
| CN217363335U (en) | Sieve plate type electric heating tube | |
| CN2235588Y (en) | Chemical gas electric heating furnace | |
| CN201450606U (en) | Energy-saving carbon fiber electric heating pipe | |
| CN201248152Y (en) | Electrical bar for electric melting furnace | |
| CN217398768U (en) | Novel glass fiber bushing | |
| CN214842477U (en) | Single-rod type heating body convenient to replace for vacuum carbon tube furnace | |
| CN111380360A (en) | Aluminum liquid chute with balanced temperature gradient | |
| CN202380106U (en) | Graphite anode | |
| CN215034284U (en) | Low heat bridge muffle supports | |
| CN217330738U (en) | Sintering furnace heating body | |
| CN213388964U (en) | Connecting structure of heat exchanger | |
| CN215355394U (en) | Extrusion container with built-in heating assembly | |
| CN213586330U (en) | Connecting device and assembly of nanocrystalline strip raw material heating element | |
| CN220356098U (en) | Parallel-series connection heating body for pressureless sintering furnace | |
| CN212247273U (en) | Heater and single crystal furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |