CN215413165U - Sintering furnace - Google Patents
Sintering furnace Download PDFInfo
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- CN215413165U CN215413165U CN202023252419.6U CN202023252419U CN215413165U CN 215413165 U CN215413165 U CN 215413165U CN 202023252419 U CN202023252419 U CN 202023252419U CN 215413165 U CN215413165 U CN 215413165U
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- sealed cowling
- sintering
- sintering furnace
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Abstract
The utility model relates to a sintering furnace, comprising a furnace body, furnace body one end has been seted up the import other end and has been seted up the export, the exit is connected with transmission device, the conveying mechanism outside is provided with the sealed cowling, be provided with first intake pipe on the furnace body, be provided with the second intake pipe on the sealed cowling, be provided with exhaust duct on the sealed cowling, connect the branch pipe on the second intake pipe. This application has and lets in inert gas in the sealed cowling through the branch pipe to reduce the content of nitrogen gas, thereby reduce the effect of the too high probability that appears the salt fog NG phenomenon of nitrogen gas content.
Description
Technical Field
The application relates to the field of sintering equipment, in particular to a sintering furnace.
Background
Sintering furnaces refer to specialized equipment that allows powder compacts to be sintered to achieve desired physical, mechanical properties, and microstructures. The sintering furnace is used for drying slurry on the silicon wafer, removing organic components in the slurry and completing sintering of the aluminum back surface field and the grid line.
The existing sintering furnace (as shown in fig. 1) comprises a furnace body 1, wherein one end of the furnace body 1 is provided with an inlet 2, the other end of the furnace body is provided with an outlet 3, the outlet 3 is connected with a transmission mechanism 4, a sealing cover 5 is arranged outside the transmission mechanism, a first air inlet pipe 6 is arranged on the furnace body 1, a second air inlet pipe 7 is arranged on the sealing cover 5, and an exhaust pipeline 8 is arranged on the sealing cover 5; the material gets into furnace body 1 from import 2, and first intake pipe 6 is used for carrying hydrogen, adopts hydrogen to sinter the material in the furnace body 1, later transmits the material through transport mechanism 4, and second intake pipe 7 carries nitrogen gas to sealed cowling 5 during and makes nitrogen gas and hydrogen mix, makes the hydrogen nitrogen mist protect the material.
In the related art, the inventor thinks that the mixed gas of hydrogen and nitrogen has a protective effect on the material, but when the content of nitrogen is too high, an oxidation reaction occurs to cause salt fog NG on the material, thereby affecting the sintering quality of the material.
SUMMERY OF THE UTILITY MODEL
In order to reduce the generation of the salt spray NG phenomenon, the application provides a sintering furnace.
The application provides a sintering furnace adopts following technical scheme:
the utility model provides a sintering furnace, includes the furnace body, furnace body one end has been seted up the import other end and has been seted up the export, the exit is connected with transmission device, the conveying mechanism outside is provided with the sealed cowling, be provided with first intake pipe on the furnace body, be provided with the second intake pipe on the sealed cowling, be provided with exhaust duct on the sealed cowling, connect the branch pipe on the second intake pipe.
Through adopting above-mentioned technical scheme, let in inert gas in the sealed cowling through the branch pipe to reduce the content of nitrogen gas, thereby reduce the probability that salt fog NG phenomenon appears in the nitrogen gas content is too high.
Optionally, valves are mounted on the branch pipe and the second air inlet pipe.
Through adopting above-mentioned technical scheme, the setting of valve can be controlled two kinds of gas respectively and get into in the sealed cowling.
Optionally, a flow meter is mounted on the branch pipe.
Through adopting above-mentioned technical scheme, the setting of flowmeter can calculate inert gas's the volume of letting in.
Optionally, conveying mechanism includes the mounting bracket, rotates wheel and conveyer belt, the mounting bracket is installed in the furnace body bottom, the mounting bracket extends towards furnace body length direction both ends, it has two, two to rotate the wheel and keep away from sealed cowling one end and sealed cowling respectively with the furnace body and keep away from furnace body one end rotation and set up on the mounting bracket, the conveyer belt cover is established at two and is rotated the wheel, and the furnace body is stretched into from furnace body import one end to keep away from furnace body one end from the sealed cowling and stretch out the sealed cowling in the conveyer belt upper end.
Through adopting above-mentioned technical scheme, the running wheel rotates and drives the transmission of conveyer belt, and the material is carried to the conveyer belt.
Optionally, the sealed cowling is kept away from furnace body one side and is provided with the locker room, the locker room covers in the outside that furnace body one end was kept away from to the rolling wheel and sealed cowling.
Through adopting above-mentioned technical scheme, the setting of locker room can be used for depositing the material after the sintering.
Optionally, the storage chamber is kept away from furnace body one side and has been seted up the discharge gate, discharge gate department installs the shutter.
Through adopting above-mentioned technical scheme, the setting of shutter can make things convenient for taking out of material.
Optionally, a guide plate is arranged in the storage chamber.
Through adopting above-mentioned technical scheme, the setting of deflector can lead to the material of sintering, makes the material slowly fall from the eminence, reduces the probability of material damage.
Optionally, an exhaust duct is provided in the storage chamber.
Through adopting above-mentioned technical scheme, thereby exhaust gas can be collected to exhaust gas's setting and the pollution of reduction tail gas to the environment.
In summary, the present application includes at least one of the following beneficial technical effects:
inert gas is introduced into the sealing cover through the branch pipe, so that the content of nitrogen is reduced, and the probability of the phenomenon of salt spray NG caused by overhigh content of nitrogen is reduced;
inert gas is introduced into the sealing cover through the branch pipe, so that the content of nitrogen is reduced, and the probability of the phenomenon of salt spray NG caused by overhigh content of nitrogen is reduced;
the rotating wheel rotates to drive the conveying belt to transmit, and the conveying belt conveys materials;
the storage chamber is arranged to store the sintered material;
thereby the exhaust gas can be collected to exhaust gas's setting and reduce the pollution of exhaust gas to the environment.
Drawings
Fig. 1 is an overall structural diagram of the related art.
Fig. 2 is a schematic view of the overall structure of the present embodiment.
Fig. 3 is a sectional view of the present embodiment.
Description of reference numerals: 1. a furnace body; 2. an inlet; 3. an outlet; 4. a transport mechanism; 41. a mounting frame; 42. a rotating wheel; 43. a conveyor belt; 5. a sealing cover; 6. a first intake pipe; 7. a second intake pipe; 8. an exhaust duct; 9. a branch pipe; 10. a valve; 11. a flow meter; 12. a storage chamber; 13. a discharge port; 14. a shutter; 15. a guide plate; 16. an exhaust pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a sintering furnace, refer to fig. 2 and 3, and comprise a furnace body 1, wherein the furnace body 1 is rectangular, one end of the furnace body 1 is provided with an inlet 2, the other end of the furnace body is provided with an outlet 3, a plurality of blocking pieces are arranged at the inlet 2, the blocking pieces block the inlet 2, the outlet 3 is connected with a transmission mechanism 4, the transmission mechanism 4 is used for conveying materials, a sealing cover 5 is arranged outside the transmission mechanism 4, the sealing cover 5 is communicated with the furnace body 1, a first air inlet pipe 6 is arranged on the furnace body 1, a second air inlet pipe 7 is arranged on the sealing cover 5, an exhaust pipeline 8 is arranged on the sealing cover 5, a fan is arranged on the exhaust pipeline 8, the exhaust pipeline 8 is communicated with a waste gas collecting barrel, and the second air inlet pipe 7 is connected with a branch pipe 9; let in inert gas in sealed cowling 5 through branch pipe 9, inert gas chooses for use argon gas to reduce the content of nitrogen gas, thereby reduce the probability that salt fog NG phenomenon appears in the nitrogen gas content too high.
Referring to fig. 2, valves 10 are mounted on the branch pipe 9 and the second air inlet pipe 7, and the valves 10 can respectively control two gases to enter the sealing cover 5; and a flow meter 11 is arranged on the branch pipe 9, the flow meter 11 is a glass rotor flow meter 11, and the arrangement of the flow meter 11 can calculate the introduction amount of the inert gas.
Referring to fig. 2 and 3, the transmission mechanism 4 includes a mounting frame 41 mounted at the bottom of the furnace body 1, two rotating wheels 42 rotatably disposed on the mounting frame 41 and a conveyor belt 43 sleeved on the two rotating wheels 42 respectively at one end of the furnace body 1 away from the sealing cover 5 and one end of the sealing cover 5 away from the furnace body 1, the mounting frame 41 extends towards both ends of the furnace body 1 in the length direction, the upper end of the conveyor belt 43 extends into the furnace body 1 from one end of the furnace body 1 inlet 2, and extends out of the sealing cover 5 from one end of the sealing cover 5 away from the furnace body 1; the rotating wheel 42 rotates to drive the conveying belt 43 to transmit, and the conveying belt 43 conveys the materials.
Referring to fig. 2, a storage chamber 12 is arranged on one side of the sealing cover 5 far away from the furnace body 1, the storage chamber 12 covers the rotating wheel 42 and the outer side of one end of the sealing cover 5 far away from the furnace body 1, and the storage chamber 12 is arranged to store sintered materials; a discharge port 13 is formed in one side of the storage chamber 12, which is far away from the furnace body 1, a stop door 14 is arranged at the discharge port 13, and the stop door 14 is arranged to facilitate the taking out of materials; a guide plate 15 is arranged in the storage chamber 12, and the guide plate 15 can guide the sintered material, so that the material can slowly fall from a high position, and the probability of material damage is reduced; be provided with exhaust pipe 16 on the locker room 12, exhaust pipe 16 intercommunication exhaust duct 8, thereby exhaust pipe 16's setting can be collected tail gas and reduce the pollution of tail gas to the environment.
The implementation principle of the embodiment of the application is as follows: place the material on the conveyer belt 43 of furnace body 1 import 2, and send into in the furnace body 1 through conveyer belt 43, sinter the material through hydrogen in giving the furnace body 1 through first intake pipe 6, carry to the sealed cowling 5 through conveyer belt 43 after the material sintering in, open valve 10 in the second intake pipe 7 this moment and carry out the transport of nitrogen gas through second intake pipe 7 to sealed cowling 5, open valve 10 on the branch pipe 9 simultaneously and carry inert gas to the sealed cowling 5 in, protect the material through nitrogen gas, later the material passes through conveyer belt 43 and carries to the locker room 12 in, accomplish whole sintering process.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a sintering furnace, includes furnace body (1), furnace body (1) one end has been seted up import (2) other end and has been seted up export (3), export (3) department is connected with transmission device (4), the transmission device (4) outside is provided with sealed cowling (5), be provided with first intake pipe (6) on furnace body (1), be provided with second intake pipe (7) on sealed cowling (5), be provided with exhaust duct (8), its characterized in that on sealed cowling (5): and a branch pipe (9) is connected to the second air inlet pipe (7).
2. Sintering furnace according to claim 1, characterized in that: valves (10) are respectively arranged on the branch pipe (9) and the second air inlet pipe (7).
3. Sintering furnace according to claim 2, characterized in that: and a flowmeter (11) is arranged on the branch pipe (9).
4. Sintering furnace according to claim 1, characterized in that: transport mechanism (4) include mounting bracket (41), rotate wheel (42) and conveyer belt (43), mounting bracket (41) are installed in furnace body (1) bottom, mounting bracket (41) extend towards furnace body (1) length direction both ends, it has two, two to rotate wheel (42) keep away from furnace body (1) one end rotation setting on mounting bracket (41) with seal cover (5) one end and seal cover (5) respectively with furnace body (1), conveyer belt (43) cover is established and is rotated on wheel (42) at two, and furnace body (1) import (2) one end is stretched into furnace body (1) from seal cover (5) upper end to keep away from furnace body (1) one end from seal cover (5) and stretch out seal cover (5).
5. Sintering furnace according to claim 4, characterized in that: one side of the sealing cover (5) far away from the furnace body (1) is provided with a storage chamber (12), and the storage chamber (12) covers the outer side of one end of the furnace body (1) far away from the rotating wheel (42) and the sealing cover (5).
6. Sintering furnace according to claim 5, characterized in that: the furnace body (1) one side is kept away from in locker room (12) has seted up discharge gate (13), discharge gate (13) department installs shutter (14).
7. Sintering furnace according to claim 6, characterized in that: a guide plate (15) is arranged in the storage chamber (12).
8. Sintering furnace according to claim 7, characterized in that: an exhaust pipe (16) is arranged on the storage chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023252419.6U CN215413165U (en) | 2020-12-29 | 2020-12-29 | Sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023252419.6U CN215413165U (en) | 2020-12-29 | 2020-12-29 | Sintering furnace |
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| Publication Number | Publication Date |
|---|---|
| CN215413165U true CN215413165U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023252419.6U Active CN215413165U (en) | 2020-12-29 | 2020-12-29 | Sintering furnace |
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| CN (1) | CN215413165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990521A (en) * | 2022-06-22 | 2022-09-02 | 湖南九华碳素高科有限公司 | Horizontal furnace-charging deposition furnace |
-
2020
- 2020-12-29 CN CN202023252419.6U patent/CN215413165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990521A (en) * | 2022-06-22 | 2022-09-02 | 湖南九华碳素高科有限公司 | Horizontal furnace-charging deposition furnace |
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