CN203413969U - Air exhausting device of NdFeB sintering furnace - Google Patents
Air exhausting device of NdFeB sintering furnace Download PDFInfo
- Publication number
- CN203413969U CN203413969U CN201320364320.6U CN201320364320U CN203413969U CN 203413969 U CN203413969 U CN 203413969U CN 201320364320 U CN201320364320 U CN 201320364320U CN 203413969 U CN203413969 U CN 203413969U
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- sintering furnace
- mechanical pump
- main pipeline
- pipeline
- oil
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Abstract
The utility model discloses an air exhausting device of an NdFeB sintering furnace. The air exhausting device comprises a mechanical pump connected with the sintering furnace, wherein the mechanical pump is connected with the side wall of a main pipeline through an auxiliary pipeline, the outer end of the main pipeline is communicated with the outside through an air exhaust fan, the inner end of the main pipeline is inclined downwards, the auxiliary pipeline forms an inclination angle structure with the ground, the pipe wall of the auxiliary pipeline is provided with an oil leaking hole, and the oil leaking hole is connected with an oil bucket through an oil collecting pipe. The problem that an air exhausting pipeline or even the mechanical pump bursts due to the blocking, overpressure or untimely heat dissipating of the air exhausting pipeline is solved.
Description
Technical field
The utility model belongs to a kind of gas discharging apparatus, is specifically related to a kind of neodymium iron boron sintering furnace exhaust apparatus.
Background technology
Neodymium iron boron is because its physical characteristic is very active, link at rejection tablet, powder process, die mould is all likely oxidized, and adds its distinctive hydrogen absorption characteristic, in hydrogenation pulverizing process, although passed through 500-600 ° of high-temperature dehydrogenation, be also generally can not take off completely totally; In production sintering process, when temperature is raised to 800 °, program starts to enter the venting stage, in the gas of now emitting, include oxygen and hydrogen, and these two kinds of gases are all flammable explosive gas, gas discharging is bonded in the easy blocking pipe of mechanical pump oil of inner-walls of duct, and now discharge quantity is very large, if can not guarantee that discharge duct is unobstructed, overvoltage or due to heat radiation can cause not in time the even danger of mechanical pump generation explosion of pipeline, may cause the generation of security incident.
Utility model content
In order to solve due to discharge duct obstruction, overvoltage and to dispel the heat not in time, cause the even problem of mechanical pump generation explosion of pipeline, the utility model has designed a kind of NdFeB material sintering furnace exhaust apparatus.
The technical scheme that the utility model addresses the above problem is: a kind of neodymium iron boron sintering furnace exhaust apparatus, comprise the mechanical pump being connected with sintering furnace, mechanical pump is connected with main pipeline sidewall by secondary duct, main pipeline outer end is communicated with outdoor by exhaust fan, main pipeline the inner is downward-sloping, secondary duct and ground form obliquity structure, and secondary duct tube wall has oil leaking hole, and is connected with oil drum by oil collecting pipe.Its advantage is: this device is designed to certain inclination angle by main pipeline, in the inner of main pipeline, increases rupture pressure disc one, adds in addition an oil leaking hole under branch pipe(tube), connects an oil pipe; Secondary duct can be backflowed the mechanical pump oil that is bonded in inner-walls of duct with gas discharging to be recycled in oil drum, prevents that waste oil from backflowing impurity to bring in mechanical pump, and stops up discharge duct.Can effectively protect pipeline and mechanical pump that explosion does not occur, ensure safety in production.
Described neodymium iron boron sintering furnace exhaust apparatus, the inner end face of main pipeline covers rupture pressure disc.Its advantage is: row of conduits gas port is bled with ventilating fan, guarantee that pipeline is interior unobstructed, and once the situation that pipeline overvoltage occurs, first gas pressure breaks through rupture pressure disc, and suitably release, prevents pipeline press sudden and violent or cause casualties.
Described neodymium iron boron sintering furnace exhaust apparatus, mechanical pump top is connected with blast pipe, the outside nested pvc pipe of blast pipe, pvc pipe is connected with secondary duct by bend pipe.Its advantage is: prevent that mechanical pump oil from leaking outside.
Described neodymium iron boron sintering furnace exhaust apparatus, blast pipe is vertically connected on mechanical pump top, and the angle between pvc pipe road and secondary duct is 135 °.Its advantage is: guarantee recovering effect, prevent that mechanical pump oil from entering main pipeline.
Described NdFeB material sintering furnace exhaust apparatus, main pipeline and ground are 15 ° of inclination angles.Its advantage is: both guaranteed mechanical pump oil to be recycled in oil drum, do not affected again exhaust effect.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure, 1, mechanical pump; 2, secondary duct; 3, main pipeline; 4, exhaust fan; 5, oil leaking hole; 6, oil collecting pipe; 7, oil drum; 8, blast pipe; 9, pvc pipe; 10, bend pipe; 11, rupture pressure disc.
The specific embodiment
Below in conjunction with accompanying drawing, structure of the present utility model is explained in detail to explanation, a kind of neodymium iron boron sintering furnace exhaust apparatus, comprise the mechanical pump 1 being connected with sintering furnace, mechanical pump is connected with main pipeline 3 sidewalls by secondary duct 2, main pipeline outer end is communicated with outdoor by exhaust fan 4, and main pipeline the inner is downward-sloping, and secondary duct and ground form obliquity structure, secondary duct tube wall has oil leaking hole 5, and is connected with oil drum 7 by oil collecting pipe 6.The inner end face of main pipeline covers rupture pressure disc 11.Mechanical pump top is connected with blast pipe 8, the outside nested pvc pipe 9 of blast pipe, and pvc pipe is connected with secondary duct by bend pipe 10.Blast pipe is vertically connected on mechanical pump top, and the angle between pvc pipe road and secondary duct is 135 °.Main pipeline and ground are 15 ° of inclination angles.
Mechanical pump when running, by fan running band moving air flow discharged to outside window; The waste oil being driven by air-flow, reclaims and flows to according to pipeline, makes the oil of extracting out and sticking on duct wall with gas through oil pipe, flow into oil drum along secondary duct lower wall, prevents that waste oil from backflowing impurity to bring in mechanical pump, effectively guarantees the purity of oil in mechanical pump; When overpressure instantaneous expansion, air pressure can break through rupture pressure disc and carry out release, can prevent other interfaces of pipeline or tube wall generation explosion, prevents the generation of contingency, ensures safety in production.
Technique scheme has only embodied the optimal technical scheme of technical solutions of the utility model; those skilled in the art have all embodied the principle of utility model to some changes that wherein some part may be made, within belonging to protection domain of the present utility model.
Claims (5)
1. a neodymium iron boron sintering furnace exhaust apparatus, comprise the mechanical pump (1) being connected with sintering furnace, mechanical pump is connected with main pipeline (3) sidewall by secondary duct (2), main pipeline outer end is communicated with outdoor by exhaust fan (4), it is characterized in that, main pipeline the inner is downward-sloping, and secondary duct and ground form obliquity structure, secondary duct tube wall has oil leaking hole (5), and is connected with oil drum (7) by oil collecting pipe (6).
2. neodymium iron boron sintering furnace exhaust apparatus according to claim 1, is characterized in that, the inner end face of main pipeline covers rupture pressure disc (11).
3. neodymium iron boron sintering furnace exhaust apparatus according to claim 1, is characterized in that, mechanical pump top is connected with blast pipe (8), the outside nested pvc pipe (9) of blast pipe, and pvc pipe is connected with secondary duct by bend pipe (10).
4. neodymium iron boron sintering furnace exhaust apparatus according to claim 3, is characterized in that, blast pipe is vertically connected on mechanical pump top, and the angle between pvc pipe road and secondary duct is 135 °.
5. NdFeB material sintering furnace exhaust apparatus according to claim 1, is characterized in that, main pipeline and ground are 15 ° of inclination angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364320.6U CN203413969U (en) | 2013-06-25 | 2013-06-25 | Air exhausting device of NdFeB sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364320.6U CN203413969U (en) | 2013-06-25 | 2013-06-25 | Air exhausting device of NdFeB sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413969U true CN203413969U (en) | 2014-01-29 |
Family
ID=49976854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320364320.6U Expired - Lifetime CN203413969U (en) | 2013-06-25 | 2013-06-25 | Air exhausting device of NdFeB sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413969U (en) |
-
2013
- 2013-06-25 CN CN201320364320.6U patent/CN203413969U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |