CN108971499A - Hydrogen crushing furnace and its cooling means - Google Patents
Hydrogen crushing furnace and its cooling means Download PDFInfo
- Publication number
- CN108971499A CN108971499A CN201811096200.6A CN201811096200A CN108971499A CN 108971499 A CN108971499 A CN 108971499A CN 201811096200 A CN201811096200 A CN 201811096200A CN 108971499 A CN108971499 A CN 108971499A
- Authority
- CN
- China
- Prior art keywords
- flue
- cooling
- hood
- hydrogen crushing
- cooling bath
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/023—Hydrogen absorption
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention relates to a kind of hydrogen crushing furnaces, including flue, electric furnace and cooling device, the flue includes that flue ontology and two are separately positioned on the first rotating shaft at flue ontology both ends, the cooling device includes the cooling bath immediately below flue, the first lifting device for driving the cooling bath lifting, the hood right above flue and the second lifting device for driving the hood lifting, the cooling bath is equipped with the first water inlet pipe and drainpipe, the hood is equipped with exhaust pipe, and the exhaust pipe is connected to negative pressure device.Hydrogen crushing furnace provided by the invention has higher cooling efficiency, while generated a large amount of vapor effectively can be controlled or be drained in cooling procedure, so as to improve the working environment of worker.Meanwhile the present invention also provides a kind of cooling means of hydrogen crushing furnace.
Description
Technical field
The present invention relates to permanent magnet preparation technical fields, and in particular to a kind of hydrogen crushing furnace, the invention further relates to hydrogen crushing furnaces
Cooling means.
Background technique
Hydrogen crushing furnace is that one kind passes through on-mechanical power for ingot shape or flaky rare earth alloy material formation powder.Mainly pass through hydrogen
It is reacted with rare earth alloy (such as Nd Fe B alloys Nd2Fe14B), is inhaling hydrogen using rare earth alloy (such as Nd Fe B alloys) and putting
Generated grain boundary fracture itself and transgranular fracture lead to rare earth alloy dusting during hydrogen, form an embrittlement and are crushed
Journey, to obtain a kind of process equipment of the rare earth alloy powder of certain particle size.
Under current hydrogen crushing furnace mainly includes rotatable flue, the electric furnace on the outside of flue and is located at flue just
The liftable cooling device of side, electric furnace are mainly made of openable and closable left furnace body and right furnace body, and cooling device includes spray
The catch basin of water pipe and opening upwards.The type of cooling of existing hydrogen crushing furnace has two: 1) cooling efficiency is low；2) cooling
A large amount of vapor are generated in the process, and working environment humidity is big, is susceptible to suffer from the diseases such as rheumatism after workers with long time work.
Summary of the invention
In view of this, making it have higher cooling efficiency, while cooled it is an object of the present invention to provide a kind of hydrogen crushing furnace
Generated a large amount of vapor effectively can be controlled or be drained in journey, so as to improve the working environment of worker.
To achieve the goals above, the present invention realizes by the following technical solutions: a kind of hydrogen crushing furnace, including flue,
Electric furnace and cooling device, the flue include that flue ontology and two are separately positioned on the first rotating shaft at flue ontology both ends,
The cooling device include the cooling bath immediately below the flue, the first lifting device for driving the cooling bath lifting,
Hood right above flue and the second lifting device for driving the hood lifting, the cooling bath are equipped with
First water inlet pipe and drainpipe, the hood are equipped with exhaust pipe, and the exhaust pipe is connected to negative pressure device.
Further, the inside of the hood is arranged at intervals with more spray tubes, the more sprays along its length
The connection of the second water inlet pipe of Guan Yuyi, the spray tube are equipped with multiple nozzles.
Further, the spray tube is arc.
Further, an apparatus for eliminating sludge is additionally provided in the hood, the apparatus for eliminating sludge includes being rotatably arranged on institute
State the Wire brush roller on the inside of hood and the driving mechanism for driving the Wire brush roller rotation.
Further, the driving mechanism includes being fixed on the pedestal on the inside of hood, being rotatably arranged on the pedestal
The second shaft, the driving pulley that is coaxially set in second shaft and friction pulley, be coaxially set in the Wire brush roller
The driven pulley of end and the transmission belt being tightly placed in outside the driving pulley and the driven pulley, the friction pulley it is straight
Diameter is greater than the diameter of the driving pulley, and the friction pulley can be with the first rotating shaft shape during declining with the hood
Cooperate at transmission.
Further, resilient sleeve is arranged with outside the friction pulley.
Further, the surface of the part contacted in the first rotating shaft with the resilient sleeve is equipped with anti-skid chequer.
Further, the Wire brush roller is located at the underface of the spray tube and the surface of the flue ontology.
Further, the upper surface of the cooling bath and the lower end surface of the hood can contact and keep sealing state.
The present invention also provides a kind of cooling means suitable for above-mentioned hydrogen crushing furnace, include the following steps:
S1, so that flue is kept rotation, open electric furnace, start the first lifting device so that cooling bath rises to flue sheet
The lower end outside of body, the second lifting device of starting is so that hood drops on the outside of the upper end of flue ontology；
S2, cooling water is conveyed into cooling bath through the first water inlet pipe, the water level of cooling water in cooling bath is kept to be higher than flue
The bottom of ontology, cooling water are flowed out from cooling bath through drainpipe；
S3, starting negative pressure device, by flue ontology in cooling procedure caused by steam take out through hood and exhaust pipe
It walks.
Beneficial effects of the present invention: hydrogen crushing furnace provided by the invention has higher cooling efficiency, while in cooling procedure
Generated a large amount of vapor effectively can be controlled or be drained, so as to improve the working environment of worker.
Detailed description of the invention
Positive structure diagram Fig. 1 of the invention when being cooling；
Fig. 2 is the face the A-A cross-sectional view in Fig. 1；
Fig. 3 is the portion the B enlarged diagram in Fig. 2；
Fig. 4 is structural schematic diagram of the invention after cooling down.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
In this application unless specifically defined or limited otherwise, term " connection ", " fixation " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；It can be mechanical connection, be also possible to be electrically connected；
It can be directly connected, the connection inside two elements or two elements can also be can be indirectly connected through an intermediary
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
As shown in Figs 1-4, the present invention provides a kind of hydrogen crushing furnace, including flue 10, electric furnace (attached drawing is not shown), flue
10 rotary drive mechanisms (attached drawing is not shown), to the vacuum evacuation device (attached drawing is not shown) vacuumized in flue 10 and to flue 10
What is be inside flushed with hydrogen assorts device (attached drawing is not shown) and cooling device.
Flue 10 include flue ontology 11 and two be separately positioned on 11 both ends of flue ontology first rotating shaft 12, two first
Shaft 12 is coaxial, and first rotating shaft 12 is hollow structure and is connected to flue ontology 11, and flue ontology 11 is through first rotating shaft 12 and takes out
Vacuum plant and air distributing device sealing communicate, and flue ontology 11 is equipped with fire door to be opened/closed, and electric furnace includes openable and closable
The lower part of left furnace body and right furnace body, left furnace body and right furnace body is equipped with idler wheel, so as to realize movement.
Cooling device includes the cooling bath 20 immediately below flue 10, first for driving the lifting of cooling bath 20
Lifting device 30, the hood 40 right above flue 10 and the second lifting device for driving the hood 40 to go up and down
50, cooling bath 20 and hood 40 are substantially in semi-barrel shape, and the cooling bath 20 is equipped with the first water inlet pipe 21 and drainpipe 22, the
One water inlet pipe 21 can individually be connect with an intake pump, can also be connected to drainpipe 22 and be formed a circulation line, in circulation pipe
Road is equipped with water circulating pump and carries out cooling device to the cooling water of circulation.Hood 40 is equipped with exhaust pipe 41, the row
Tracheae 41 is connected to negative pressure device (attached drawing is not shown), and negative pressure device is aspiration pump.It is preferred that the first lifting device 30 and second liter
Falling unit 50 is all cylinder.
When cooling, flue ontology 11 keeps rotation, the cooling water in cooling bath 20 directly with the bottom of flue ontology 11
Surface contact, so as to rapidly cool down flue ontology 11, the vapor generated in cooling procedure is directly through being vented
Cover 40 and exhaust pipe 41 are drained.
As a further improvement of the foregoing solution, the inside of the hood 40 is arranged at intervals with more sprays along its length
Shower pipe 60, the more spray tubes 60 are connected to one second water inlet pipe 61, and the spray tube 60 is equipped with multiple nozzles 62.It is multiple
Nozzle 62 is distributed along the length direction of spray tube 60.Cooling bath 20 carries out flue ontology 11 in the lower section of flue ontology 11 cold
But, spray tube 60 then cools down flue ontology 11 in the top of flue ontology 11, to further increase cooling efficiency.
As a further improvement of the foregoing solution, the spray tube 60 is arc, and such nozzle 62 can directly be directed at furnace
The surface of gallbladder ontology 11, spraying effect are best.
As a further improvement of the foregoing solution, an apparatus for eliminating sludge, the scale removal dress are additionally provided in the hood 40
Set the Wire brush roller 70 including being rotatably arranged on 40 inside of hood and the drive for driving the Wire brush roller 70 to rotate
The outside of flue ontology 11 is arranged in motivation structure 80, the axis that Wire brush roller 70 is parallel to flue ontology 11.Due to cooling procedure
In be easy Surface Creation scale in flue ontology 11, scale can be reduced to the heat transfer efficiency of flue ontology 11, to reduce furnace
The heating and cooling velocity of gallbladder ontology 11, therefore guarantee not having scale heap outside flue ontology 11 by setting apparatus for eliminating sludge
Product.
As a further improvement of the foregoing solution, the driving mechanism 80 includes the pedestal for being fixed on 40 inside of hood
81, the second shaft 82 being rotatably arranged on the pedestal 81, the driving pulley 83 being coaxially set in second shaft 82
With friction pulley 84, coaxially it is set in the driven pulley 86 of 70 end of Wire brush roller and is tightly placed in the driving pulley 83
With the transmission belt 87 outside the driven pulley 86, a driving mechanism 80 preferably is respectively set in the two sides of flue ontology 11,
The diameter of the friction pulley 84 is greater than the diameter of the driving pulley 83, the mistake that the friction pulley 84 declines with the hood 40
Cheng Zhongke and the first rotating shaft 12 form transmission cooperation, i.e., after friction pulley 84 drops to the position of a setting with hood 40,
Friction pulley 84 is just contacted with first rotating shaft 12, since first rotating shaft 12 rotates, to drive friction pulley 84 to rotate, by actively
After the belt transmission structure transmission of belt wheel 83, driven pulley 86 and transmission belt 87, Wire brush roller 70 is driven.Certainly, wire brush
The velocity of rotation of roller 70 is different from the velocity of rotation of flue ontology 11, and the rotation of such Wire brush roller 70 can be only achieved removing flue
The purpose of the scale on 11 surface of ontology.Generated power drives Wire brush roller 70 when above-mentioned drive mechanism is rotated using flue 10
Power source is separately provided to eliminate come the increase of the trouble and cost that drive Wire brush roller 70 to rotate in rotation.
As a further improvement of the foregoing solution, it is arranged with resilient sleeve 85 outside the friction pulley 84, friction pulley 84 is with exhaust
It is not in discontiguous situation between friction pulley 84 and first rotating shaft 12 due to the presence of resilient sleeve 85 after 40 decline of cover, from
And it ensure that the reliability of above-mentioned driving mechanism 80.
As a further improvement of the foregoing solution, the table of the part contacted in the first rotating shaft 12 with the resilient sleeve 85
Face is equipped with anti-skid chequer 121, and setting anti-skid chequer 121 avoids to skid between first rotating shaft 12 and resilient sleeve 85, thus into
One step improves the reliability of above-mentioned driving mechanism 80.
As a further improvement of the foregoing solution, the Wire brush roller 70 is located at the underface of the spray tube 60 and described
The surface of flue ontology 11, such more reasonable structure.
As a further improvement of the foregoing solution, the upper surface of the cooling bath 20 and the lower end surface of the hood 40 can
Sealing state is contacted and kept, is preferably respectively set respectively in the lower end surface of the upper surface of cooling bath 20 and hood 40 flexible
Gasket 90 keeps sealing in this way by the contact of two elastic sealing gaskets 90.Above-mentioned setting avoids vapor from cooling
It is escaped in gap between slot 20 and hood 40, to further improve working environment.
The present invention also provides a kind of cooling means suitable for above-mentioned hydrogen crushing furnace, include the following steps:
S1, so that flue 10 is kept rotation, open electric furnace, start the first lifting device 30 so that cooling bath 20 rises to
The lower end outside of flue ontology 11 starts the second lifting device 50 so that hood 40 drops to outside the upper end of flue ontology 11
Side；
S2, cooling water is conveyed into cooling bath 20 through the first water inlet pipe 21, keeps the water level of cooling water in cooling bath 20 high
In the bottom of flue ontology 11, while cooling water being kept not overflow cooling bath 20, cooling water is through drainpipe 22 from cooling bath 20
Middle outflow；
S3, starting negative pressure device, by flue ontology 11, generated steam through hood 40 and is vented in cooling procedure
Pipe 41 is taken away；
S4, when flue ontology 11 reaches cooling and requires, successively stop to 20 inner water-supply of cooling bath and to outside hood 40
Draw water steam, and then starting the first lifting device 30 moves down cooling bath 20, and the second lifting device 50 of starting makes hood
40 move up.
It as a further improvement of the foregoing solution, further include being sprayed through the second water inlet pipe 61 and Duo Gen in above-mentioned steps S2
Upper surface spraying cooling water of the shower pipe 60 to flue ontology 11.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of hydrogen crushing furnace, including flue, electric furnace and cooling device, the flue includes that flue ontology and two are respectively set
First rotating shaft at flue ontology both ends, it is characterised in that: the cooling device includes cooling bath immediately below the flue, uses
In the first lifting device of the driving cooling bath lifting, the hood right above flue and for driving the hood
Second lifting device of lifting, the cooling bath are equipped with the first water inlet pipe and drainpipe, and the hood is equipped with exhaust pipe,
The exhaust pipe is connected to negative pressure device.
2. hydrogen crushing furnace according to claim 1, it is characterised in that: the inside of the hood is spaced setting along its length
There are more spray tubes, the more spray tubes are connected to one second water inlet pipe, and the spray tube is equipped with multiple nozzles.
3. hydrogen crushing furnace according to claim 2, it is characterised in that: the spray tube is arc.
4. hydrogen crushing furnace according to claim 3, it is characterised in that: be additionally provided with an apparatus for eliminating sludge, institute in the hood
Stating apparatus for eliminating sludge includes being rotatably arranged on Wire brush roller on the inside of the hood and for driving the Wire brush roller to rotate
Driving mechanism.
5. hydrogen crushing furnace according to claim 4, it is characterised in that: the driving mechanism includes being fixed on the inside of hood
Pedestal, the second shaft being rotatably arranged on the pedestal, the driving pulley being coaxially set in second shaft and friction
Wheel is coaxially set in the driven pulley of the Wire brush roller end and is tightly placed in the driving pulley and the driven pulley
Outer transmission belt, the diameter of the friction pulley are greater than the diameter of the driving pulley, and the friction pulley declines with the hood
During can with the first rotating shaft formed transmission cooperation.
6. hydrogen crushing furnace according to claim 5, it is characterised in that: be arranged with resilient sleeve outside the friction pulley.
7. hydrogen crushing furnace according to claim 6, it is characterised in that: the portion contacted in the first rotating shaft with the resilient sleeve
The surface divided is equipped with anti-skid chequer.
8. hydrogen crushing furnace according to claim 7, it is characterised in that: the Wire brush roller is located at the underface of the spray tube
With the surface of the flue ontology.
9. hydrogen crushing furnace according to claim 8, it is characterised in that: under the upper surface of the cooling bath and the hood
End face can contact and keep sealing state.
10. the cooling means of -9 described in any item hydrogen crushing furnaces according to claim 1, which is characterized in that according to the following steps into
Row:
S1, so that flue is kept rotation, open electric furnace, start the first lifting device so that cooling bath rises to flue ontology
Lower end outside, the second lifting device of starting is so that hood drops on the outside of the upper end of flue ontology；
S2, cooling water is conveyed into cooling bath through the first water inlet pipe, the water level of cooling water in cooling bath is kept to be higher than flue ontology
Bottom, cooling water flows out from cooling bath through drainpipe；
S3, starting negative pressure device, by flue ontology in cooling procedure caused by steam take away through hood and exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096200.6A CN108971499B (en) | 2018-09-19 | 2018-09-19 | Hydrogen crushing furnace and cooling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096200.6A CN108971499B (en) | 2018-09-19 | 2018-09-19 | Hydrogen crushing furnace and cooling method thereof |
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| Publication Number | Publication Date |
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| CN108971499A true CN108971499A (en) | 2018-12-11 |
| CN108971499B CN108971499B (en) | 2021-10-22 |
Family
ID=64545776
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811096200.6A Active CN108971499B (en) | 2018-09-19 | 2018-09-19 | Hydrogen crushing furnace and cooling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686158A (en) * | 2021-08-24 | 2021-11-23 | 江西荧光磁业有限公司 | Intelligent cooling device of magnetic steel sintering furnace |
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| CN113686158A (en) * | 2021-08-24 | 2021-11-23 | 江西荧光磁业有限公司 | Intelligent cooling device of magnetic steel sintering furnace |
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| CN108971499B (en) | 2021-10-22 |
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