CN211060630U - High-temperature reducing atmosphere tunnel kiln for producing noctilucent powder - Google Patents
High-temperature reducing atmosphere tunnel kiln for producing noctilucent powder Download PDFInfo
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- CN211060630U CN211060630U CN201921821076.5U CN201921821076U CN211060630U CN 211060630 U CN211060630 U CN 211060630U CN 201921821076 U CN201921821076 U CN 201921821076U CN 211060630 U CN211060630 U CN 211060630U
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Abstract
The high temperature reducing atmosphere tunnel kiln for producing luminous powder has stepped outer wall, high middle part and low sides. The outer surface of the furnace body is wrapped with a steel plate layer. A support is fixedly arranged on the lower end surface of the furnace body. A linear hearth is arranged in the furnace body. The height of the hearth is 260mm, and the width of the hearth is 260 mm. The hearth is sequentially provided with an inlet door, an inlet section, a first heat insulation section, a low-temperature section, a second heat insulation section, a middle-temperature section, a third heat insulation section, a high-temperature section, a fourth heat insulation section, a pre-cooling section and a cooling section from an inlet to an outlet. Tracks are laid on the bottom surfaces of the inner walls of the inlet section, the first heat insulation section, the low temperature section, the second heat insulation section, the middle temperature section, the third heat insulation section, the high temperature section, the fourth heat insulation section and the pre-cooling section of the hearth along the extending direction of the hearth. A vent pipe is embedded at the bottom of the furnace body and is positioned below the hearth. The novel high-temperature kiln has the advantages of low energy consumption, low manufacturing cost, simple structure, small occupied area and simple use.
Description
Technical Field
The utility model belongs to night light powder production field, in particular to production night light is high temperature reducing atmosphere tunnel kiln for powder.
Background
The fluorescent powder can be generated only after reacting for about 3 hours under the reducing atmosphere condition of different high temperature environments (the highest temperature is 1450 ℃). Therefore, the production of the noctilucent powder needs to be carried out in a high-temperature kiln with good sealing property. The existing kiln has poor sealing property, high energy consumption, severe working environment, no continuous feeding, low production efficiency and difficult adaptation to the mass production of the noctilucent powder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature reducing atmosphere tunnel kiln for producing night light powder. Solves the problems that the prior kiln has poor sealing property, high energy consumption, severe working environment, no continuous feeding, low production efficiency and difficult adaptation to the mass production of the noctilucent powder.
The technical scheme is as follows:
the utility model provides a production night light is high temperature reducing atmosphere tunnel kiln for powder, includes furnace body, heating device, track, its characterized in that:
the outer wall of the furnace body is in a step shape, the middle is high, and the two sides are low. The outer surface of the furnace body is wrapped with a steel plate layer. A support is fixedly arranged on the lower end surface of the furnace body. A linear hearth is arranged in the furnace body. The height of the hearth is 260mm, and the width of the hearth is 260 mm.
The hearth is sequentially provided with an inlet door, an inlet section, a first heat insulation section, a low-temperature section, a second heat insulation section, a middle-temperature section, a third heat insulation section, a high-temperature section, a fourth heat insulation section, a pre-cooling section and a cooling section from an inlet to an outlet.
Tracks are laid on the bottom surfaces of the inner walls of the inlet section, the first heat insulation section, the low temperature section, the second heat insulation section, the middle temperature section, the third heat insulation section, the high temperature section, the fourth heat insulation section and the pre-cooling section of the hearth along the extending direction of the hearth.
The outer wall of the entrance door is 500mm long, 230mm wide and 230mm high. The outer wall of the inlet section is 1030mm in length, 650mm in width and 650mm in height. The outer wall of the pre-cooling section is 1540mm long, and the outer wall of the cooling section is 1500mm long. The total length of the outer walls of the first heat insulation section, the low temperature section, the second heat insulation section, the middle temperature section, the third heat insulation section, the high temperature section and the fourth heat insulation section is 4335 mm. The high temperature section, the medium temperature section and the low temperature section have the same length.
The heating devices are arranged on the inner walls of the low-temperature section, the medium-temperature section and the high-temperature section of the hearth. The temperature of the low temperature section is 900 ℃, the temperature of the middle temperature section is 1200 ℃, and the temperature of the high temperature section is 1450 ℃.
A vent pipe is embedded at the bottom of the furnace body and is positioned below the hearth. The air inlet of the vent pipe is arranged at the outer side of the furnace body. The vent pipe is provided with a plurality of air outlets. And a plurality of air inlet paths are reserved between the brick joints at the bottom of the furnace body at the corresponding positions of the air outlet holes. One end of the air inlet path is communicated with the corresponding air outlet hole on the air pipe, and the other end of the air inlet path is communicated with the inside of the hearth. The length of the vent pipe is one third of the length of the furnace body.
Preferably, the inner walls of the inlet door, the inlet section, the low temperature section, the middle temperature section, the high temperature section, the pre-cooling section and the cooling section of the hearth are made of heat-insulating bricks by piling. The inner walls of the first heat insulation section, the second heat insulation section, the third heat insulation section and the fourth heat insulation section of the hearth are built by heat insulation bricks.
Preferably, the heating device is a heating wire.
The advantages are that: the novel high-temperature kiln has the advantages of low energy consumption (12-15 kilowatts per hour), low manufacturing cost (less than 10 ten thousand yuan), simple structure, small occupied area (8 meters), simple use, capability of ensuring that one worker can be responsible for the normal production of six kilns, convenient maintenance, long service life (capable of being used for more than 20 months) and no heat radiation.
Drawings
Fig. 1 is a schematic structural view of a section of the tunnel kiln.
Fig. 2 is a schematic structural view of the inlet of the tunnel kiln.
In the figure, a furnace body 1, a heating device 2, a track 3, a hearth 4, a steel plate layer 5, a crucible 6, an inlet section 7, a low temperature section 8, a middle temperature section 9, a high temperature section 10, a pre-cooling section 11, a cooling section 12, a vent pipe 13, an air inlet path 14, a support 15, an inlet door 16, a first heat insulation section 17, a second heat insulation section 18, a third heat insulation section 19 and a fourth heat insulation section 20.
Detailed Description
The utility model provides a production night light is high temperature reducing atmosphere tunnel kiln for powder, includes furnace body 1, heating device 2, track 3, its characterized in that:
the outer wall of the furnace body 1 is in a step shape, the middle is high, and the two sides are low. The outer surface of the furnace body 1 is wrapped with a steel plate layer 5. A support 15 is fixedly arranged on the lower end surface of the furnace body 1. A linear hearth 4 is arranged in the furnace body 1. The height of the hearth 4 is 260mm, and the width of the hearth is 260 mm.
The hearth 4 is sequentially provided with an inlet door 16, an inlet section 7, a first heat insulation section 17, a low temperature section 8, a second heat insulation section 18, an intermediate temperature section 9, a third heat insulation section 19, a high temperature section 10, a fourth heat insulation section 20, a pre-cooling section 11 and a cooling section 12 from an inlet to an outlet.
The inner walls of the hearth 4 at the inlet door 16, the inlet section 7, the low temperature section 8, the intermediate temperature section 9, the high temperature section 10, the pre-cooling section 11 and the cooling section 12 are made of heat-insulating bricks by piling. The inner walls of the hearth 4 at the first heat insulation section 17, the second heat insulation section 18, the third heat insulation section 19 and the fourth heat insulation section 20 are made of heat insulation bricks in a stacking mode.
The rails 3 are laid on the bottom surfaces of the inner walls of the inlet section 7, the first heat insulation section 17, the low temperature section 8, the second heat insulation section 18, the intermediate temperature section 9, the third heat insulation section 19, the high temperature section 10, the fourth heat insulation section 20 and the pre-cooling section 11 of the hearth 4 along the extending direction of the hearth 4. A crucible 6 filled with noctilucent powder is placed in the hearth 4, and the crucible 6 is pushed inwards from the inlet along the rail 3 by a push rod.
The outer wall of the entrance door is 500mm long, 230mm wide and 230mm high. The outer wall of the inlet section is 1030mm in length, 650mm in width and 650mm in height. The outer wall of the pre-cooling section is 1540mm long, and the outer wall of the cooling section is 1500mm long. The total length of the outer walls of the first insulation section 17, the low temperature section 8, the second insulation section 18, the middle temperature section 9, the third insulation section 19, the high temperature section 10 and the fourth insulation section 20 is 4335 mm. The high temperature section, the medium temperature section and the low temperature section have the same length.
The heating device 2 is arranged on the inner walls of the low-temperature section 8, the medium-temperature section 9 and the high-temperature section 1 of the hearth 4. The heating device 2 is an electric heating wire. The temperature of the low temperature section is 900 ℃, the temperature of the middle temperature section is 1200 ℃, and the temperature of the high temperature section is 1450 ℃.
A vent pipe 13 is embedded in the bottom of the furnace body 1 and is positioned below the hearth 4. The air inlet of the vent pipe 13 is arranged outside the furnace body 1. The vent pipe 13 is provided with a plurality of air outlet holes. A plurality of air inlet paths 14 are reserved between the brick joints at the bottom of the furnace body 1 at the corresponding positions of the air outlet holes. One end of the air inlet path 14 is communicated with a corresponding air outlet hole on the air pipe 13, and the other end is communicated with the inside of the hearth 4. The length of the ventilation pipe 13 is one third of the length of the furnace body 1. The air inlet of the vent pipe 13 is connected with the air outlet of the ammonia decomposition furnace with a buffer tank through a pipeline, and hydrogen is introduced into the hearth.
The temperature of the temperature control section (high, medium and low temperature sections) of the kiln is controlled by an external power supply, reducing gas hydrogen is generated by ammonia decomposition and is introduced into the kiln, and uninterrupted feeding is realized by a hydraulic push rod and a track in the kiln. The insulating brick and the heat-insulating brick are used for manufacturing a heat-insulating sealed space.
Claims (5)
1. The utility model provides a production night light is high temperature reducing atmosphere tunnel kiln for powder, includes furnace body (1), heating device (2), track (3), its characterized in that:
the outer wall of the furnace body (1) is in a step shape, the middle is high, and the two sides are low; the outer surface of the furnace body (1) is wrapped with a steel plate layer (5); a support (15) is fixedly arranged on the lower end surface of the furnace body (1); a linear hearth (4) is arranged in the furnace body (1); the height of the hearth (4) is 260mm, and the width of the hearth is 260 mm;
an inlet door (16), an inlet section (7), a first heat insulation section (17), a low temperature section (8), a second heat insulation section (18), a medium temperature section (9), a third heat insulation section (19), a high temperature section (10), a fourth heat insulation section (20), a pre-cooling section (11) and a cooling section (12) are sequentially arranged on the hearth (4) from an inlet to an outlet;
tracks (3) are laid on the bottom surfaces of the inner walls of the inlet section (7), the first heat insulation section (17), the low temperature section (8), the second heat insulation section (18), the intermediate temperature section (9), the third heat insulation section (19), the high temperature section (10), the fourth heat insulation section (20) and the pre-cooling section (11) of the hearth (4) along the extending direction of the hearth (4);
the heating device (2) is arranged on the inner walls of the low-temperature section (8), the medium-temperature section (9) and the high-temperature section (10) of the hearth (4); the temperature of the low-temperature section is 900 ℃, the temperature of the medium-temperature section is 1200 ℃, and the temperature of the high-temperature section is 1450 ℃;
a vent pipe (13) is embedded in the bottom of the furnace body (1) below the hearth (4); the air inlet of the vent pipe (13) is arranged at the outer side of the furnace body (1); a plurality of air outlet holes are formed on the air pipe (13); a plurality of air inlet paths (14) are reserved between the bottom brick joints of the furnace body (1) at the corresponding positions of the air outlet holes; one end of the air inlet path (14) is communicated with a corresponding air outlet hole on the air pipe (13), and the other end is communicated with the inside of the hearth (4).
2. The high-temperature reducing atmosphere tunnel kiln for producing the noctilucent powder as claimed in claim 1, which is characterized in that:
the inner walls of the inlet door (16), the inlet section (7), the low-temperature section (8), the medium-temperature section (9), the high-temperature section (10), the pre-cooling section (11) and the cooling section (12) of the hearth (4) are made of heat-insulating bricks in a stacking mode; the inner walls of the first heat insulation section (17), the second heat insulation section (18), the third heat insulation section (19) and the fourth heat insulation section (20) of the hearth (4) are made by piling heat insulation bricks.
3. The high-temperature reducing atmosphere tunnel kiln for producing the noctilucent powder as claimed in claim 1, which is characterized in that:
the heating device (2) is an electric heating wire.
4. The high-temperature reducing atmosphere tunnel kiln for producing the noctilucent powder as claimed in claim 1, which is characterized in that:
the length of the vent pipe (13) is one third of the length of the furnace body (1).
5. The high-temperature reducing atmosphere tunnel kiln for producing the noctilucent powder as claimed in claim 1, which is characterized in that:
the outer wall of the entrance door is 500mm long, 230mm wide and 230mm high; the outer wall of the inlet section is 1030mm in length, 650mm in width and 650mm in height; the outer wall of the pre-cooling section is 1540mm long, and the outer wall of the cooling section is 1500mm long; the total length of the outer walls of the first heat insulation section (17), the low temperature section (8), the second heat insulation section (18), the medium temperature section (9), the third heat insulation section (19), the high temperature section (10) and the fourth heat insulation section (20) is 4335 mm; the high temperature section, the medium temperature section and the low temperature section have the same length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821076.5U CN211060630U (en) | 2019-10-28 | 2019-10-28 | High-temperature reducing atmosphere tunnel kiln for producing noctilucent powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821076.5U CN211060630U (en) | 2019-10-28 | 2019-10-28 | High-temperature reducing atmosphere tunnel kiln for producing noctilucent powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060630U true CN211060630U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921821076.5U Expired - Fee Related CN211060630U (en) | 2019-10-28 | 2019-10-28 | High-temperature reducing atmosphere tunnel kiln for producing noctilucent powder |
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| CN (1) | CN211060630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934635A (en) * | 2021-03-31 | 2021-06-11 | 黄山诺帆科技装备制造有限公司 | Quick energy-saving curing oven |
-
2019
- 2019-10-28 CN CN201921821076.5U patent/CN211060630U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934635A (en) * | 2021-03-31 | 2021-06-11 | 黄山诺帆科技装备制造有限公司 | Quick energy-saving curing oven |
| CN112934635B (en) * | 2021-03-31 | 2024-05-28 | 黄山诺帆科技装备制造有限公司 | Quick energy-saving curing oven |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20211028 |