CN203605711U - Vacuum atmosphere high-pressure carbon plate furnace - Google Patents
Vacuum atmosphere high-pressure carbon plate furnace Download PDFInfo
- Publication number
- CN203605711U CN203605711U CN201320739845.3U CN201320739845U CN203605711U CN 203605711 U CN203605711 U CN 203605711U CN 201320739845 U CN201320739845 U CN 201320739845U CN 203605711 U CN203605711 U CN 203605711U
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- China
- Prior art keywords
- furnace
- heater
- burner hearth
- exhaust tube
- furnace body
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Abstract
The utility model discloses a vacuum atmosphere high-pressure carbon plate furnace. The vacuum atmosphere high-pressure carbon plate furnace comprises a furnace body. A furnace hearth is arranged in the furnace body. The space between the furnace body and the furnace hearth is filled with furnace refractory materials. Furnace covers are installed at the left end and the right end of the furnace body respectively. A plurality of thermocouples are installed on the top of the furnace body. Two electrode mounting tubes are installed on the top of the furnace body. A water-cooling copper electrode is inserted in the top of each electrode mounting tube. A plurality of alundum tubes are arranged at the bottom of the furnace body. A graphite heating panel is suspended in the furnace hearth. Two graphite electrodes are connected to the graphite heating panel through bolts. The two graphite electrodes extend into the electrode mounting tubes respectively and are connected with the water-cooling copper electrodes respectively. An exhaust tube is transversely arranged in the furnace cover at the right end of the furnace body. A mechanical pump connector is installed at the tube end of the exhaust tube. A pressure meter is arranged on the exhaust tube. A furnace opening is formed in the furnace cover at the left end of the furnace body. A furnace door capable of being opened is arranged at the furnace opening. The vacuum atmosphere high-pressure carbon plate furnace is simple in structure and convenient to use, improves the performance of a vacuum carbon tube furnace and improves the processing quality of nitride/nitric oxide fluorescent powder.
Description
Technical field
The utility model relates to carbon shirt-circuiting furnace field, is specially a kind of vacuum atmosphere high pressure carbon slab furnace.
Background technology
lED fluorescent material is the important substance that forms LED, at present domestic many employing white light LED fluorescent powders, but its performance of white light LED fluorescent powder is general, and nitride/nitric oxide fluorescent powder is because its outstanding cost performance more and more comes into one's own.In the production process of nitride/nitric oxide fluorescent powder, the performance of the vacuum carbon tube furnace using is most important, is directly connected to the quality of production of nitride/nitric oxide fluorescent powder.The vacuum carbon tube furnace of prior art cannot meet the requirement that nitride/nitric oxide fluorescent powder is produced.
Utility model content
The purpose of this utility model is to provide a kind of vacuum carbon tube furnace, the problem existing to solve prior art.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of vacuum atmosphere high pressure carbon slab furnace, it is characterized in that: include horizontal body of heater, in body of heater, be provided with the burner hearth that heat-insulating material surrounds, between body of heater and burner hearth, be filled with the resistance to material of body of heater, a body of heater left side, right-hand member is provided with by flange the bell that seals body of heater respectively, described body of heater top is provided with multiple thermocouples that stretch into respectively in body of heater internal furnace, body of heater top is also provided with pair of electrodes mounting pipe, two electrode mounting pipe bottoms extend downward respectively with in burner hearth and are communicated with, each electrode mounting pipe top is plugged with respectively water-cooled copper electrode, described bottom of furnace body is provided with multiple alundum tubes that stretch in body of heater and be supported on burner hearth bottom, in described burner hearth, be lifted with graphite heating plate, on graphite heating plate, be bolted a pair of graphite electrode, two graphite electrodes respectively one by one correspondence stretch in electrode mounting pipe and be connected with water-cooled copper electrode, in the bell of body of heater right-hand member, be horizontally installed with and the exhaust tube being communicated with in burner hearth, described exhaust tube pipe end stretches out body of heater right-hand member bell and exhaust tube pipe end is provided with mechanical pump interface, pressure gauge is also installed in the exhaust tube section of stretching out, in the bell of body of heater left end, have fire door, fire door place is provided with openable fire door.
Described a kind of vacuum atmosphere high pressure carbon slab furnace, it is characterized in that: described body of heater is made up of stainless steel internal layer and carbon steel skin, between stainless steel internal layer and carbon steel skin, space forms water-cooling channel, and described body of heater top is also provided with the vent valve that space is communicated with between stainless steel internal layer and carbon steel skin.
The utility model is simple in structure; easy to use; whole body of heater passes through water cooling protection; greatly delay aging; improve service life; and the external gas circuit of whole body of heater, circuit are more for convenience, improved the performance of vacuum carbon tube furnace, and then improve nitride/nitric oxide fluorescent powder crudy.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The specific embodiment
As shown in Figure 1.A kind of vacuum atmosphere high pressure carbon slab furnace, include horizontal body of heater 1, in body of heater 1, be provided with the burner hearth 2 that heat-insulating material surrounds, between body of heater 1 and burner hearth 2, be filled with the resistance to material 3 of body of heater, body of heater 1 left side, right-hand member is provided with by flange the bell 4 that seals body of heater 1 respectively, body of heater 1 top is provided with multiple thermocouples 5 that stretch into respectively in body of heater 1 internal furnace, body of heater 1 top is also provided with pair of electrodes mounting pipe 6, two electrode mounting pipe 6 bottoms extend downward respectively with burner hearth 2 is interior and are communicated with, each electrode mounting pipe 6 tops are plugged with respectively water-cooled copper electrode 7, body of heater 1 bottom is provided with multiple alundum tubes 8 that stretch in body of heater 1 and be supported on burner hearth 2 bottoms, in burner hearth 2, be lifted with graphite heating plate 9, on graphite heating plate 9, be bolted a pair of graphite electrode 10, two graphite electrodes 10 respectively one by one correspondence stretch in electrode mounting pipe 6 and be connected with water-cooled copper electrode 7, in the bell of body of heater 1 right-hand member, be horizontally installed with and the interior exhaust tube being communicated with 10 of burner hearth 2, exhaust tube 10 pipe ends stretch out body of heater 1 right-hand member bell and exhaust tube 10 pipe ends are provided with mechanical pump interface 11, in exhaust tube 10 sections of stretching out, pressure gauge 12 is also installed, in the bell of body of heater 1 left end, have fire door, fire door place is provided with openable fire door 13.Body of heater 1 is made up of stainless steel internal layer 14 and carbon steel skin 15, and between stainless steel internal layer 11 and carbon steel skin 12, space forms water-cooling channel, and body of heater 1 top is also provided with the vent valve 16 that space is communicated with between stainless steel internal layer 11 and carbon steel skin 12.
The utility model can vacuum (10Pa) use, and the atmosphere of also can ventilating uses.H2 below logical N2+10%, is conducive to the preparation of nitride/nitric oxide fluorescent powder.The utility model can also use by normal pressure, also can use by high pressure (4 ~ 5 atmospheric pressure).Whole shell is according to design of pressure vessels.Be conducive to the preparation of nitride/nitric oxide fluorescent powder.The whole heating chamber of the utility model all adopts graphite product, and cleanliness factor is high.
Claims (2)
1. a vacuum atmosphere high pressure carbon slab furnace, it is characterized in that: include horizontal body of heater, in body of heater, be provided with the burner hearth that heat-insulating material surrounds, between body of heater and burner hearth, be filled with the resistance to material of body of heater, a body of heater left side, right-hand member is provided with by flange the bell that seals body of heater respectively, described body of heater top is provided with multiple thermocouples that stretch into respectively in body of heater internal furnace, body of heater top is also provided with pair of electrodes mounting pipe, two electrode mounting pipe bottoms extend downward respectively with in burner hearth and are communicated with, each electrode mounting pipe top is plugged with respectively water-cooled copper electrode, described bottom of furnace body is provided with multiple alundum tubes that stretch in body of heater and be supported on burner hearth bottom, in described burner hearth, be lifted with graphite heating plate, on graphite heating plate, be bolted a pair of graphite electrode, two graphite electrodes respectively one by one correspondence stretch in electrode mounting pipe and be connected with water-cooled copper electrode, in the bell of body of heater right-hand member, be horizontally installed with and the exhaust tube being communicated with in burner hearth, described exhaust tube pipe end stretches out body of heater right-hand member bell and exhaust tube pipe end is provided with mechanical pump interface, pressure gauge is also installed in the exhaust tube section of stretching out, in the bell of body of heater left end, have fire door, fire door place is provided with openable fire door.
2. a kind of vacuum atmosphere high pressure carbon slab furnace according to claim 1, it is characterized in that: described body of heater is made up of stainless steel internal layer and carbon steel skin, between stainless steel internal layer and carbon steel skin, space forms water-cooling channel, and described body of heater top is also provided with the vent valve that space is communicated with between stainless steel internal layer and carbon steel skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739845.3U CN203605711U (en) | 2013-11-20 | 2013-11-20 | Vacuum atmosphere high-pressure carbon plate furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739845.3U CN203605711U (en) | 2013-11-20 | 2013-11-20 | Vacuum atmosphere high-pressure carbon plate furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203605711U true CN203605711U (en) | 2014-05-21 |
Family
ID=50718379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739845.3U Withdrawn - After Issue CN203605711U (en) | 2013-11-20 | 2013-11-20 | Vacuum atmosphere high-pressure carbon plate furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203605711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615891A (en) * | 2013-11-20 | 2014-03-05 | 合肥日新高温技术有限公司 | Vacuum/gas high-pressure carbon tube furnace |
-
2013
- 2013-11-20 CN CN201320739845.3U patent/CN203605711U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615891A (en) * | 2013-11-20 | 2014-03-05 | 合肥日新高温技术有限公司 | Vacuum/gas high-pressure carbon tube furnace |
| CN103615891B (en) * | 2013-11-20 | 2016-10-05 | 合肥日新高温技术有限公司 | A kind of vacuum atmosphere high pressure carbon slab furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |