CN103801701B - The flexible hydrogen of RE permanent magnetic alloy breaks equipment - Google Patents
The flexible hydrogen of RE permanent magnetic alloy breaks equipment Download PDFInfo
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- CN103801701B CN103801701B CN201210442750.5A CN201210442750A CN103801701B CN 103801701 B CN103801701 B CN 103801701B CN 201210442750 A CN201210442750 A CN 201210442750A CN 103801701 B CN103801701 B CN 103801701B
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Abstract
The hydrogen that the present invention relates to RE permanent magnetic alloy breaks field, and specifically for the flexible hydrogen of a kind of permanent-magnet rare-earth NdFeB alloy breaks equipment, this device comprises inhales hydrogen stove, dehydrogenation furnace, track sealing delivery vehicle and parallel orbit; Wherein inhale hydrogen stove and dehydrogenation furnace placed side by side in track one end, inhale on hydrogen stove, dehydrogenation furnace and track sealing delivery vehicle and be respectively arranged with separation valve door, track sealing delivery vehicle moves on parallel orbit, by separation valve door with inhale hydrogen stove and dehydrogenation furnace is connected respectively.This device makes processing technology be the semi-successive cultivation carried out in vacuum and inert gas shielding atmosphere, and the few dehydrogenation of broken powder oxygen content is abundant, and in powder, monocrystal particle accounts for very large proportion.
Description
Technical field
The hydrogen that the present invention relates to RE permanent magnetic alloy breaks field, specifically for the flexible hydrogen of a kind of permanent-magnet rare-earth NdFeB alloy breaks equipment.
Background technology
Nd-Fe-B rare-earth permanent magnet rapidly quenched magnetic powder mixes with resin etc., can make bonded permanent magnet.Be widely used in electronics, electrical equipment, motor etc., have use more and more widely.Rare earth hydrogen storage alloy is also the negative material of Ni-MH battery.Be widely used in electric tool, hybrid vehicle etc., have use more and more widely.
It is a kind of rotation liner hydrogen crushing furnace that existing permanent-magnet rare-earth NdFeB alloy hydrogen breaks equipment, rotatable flue is supported on the support member of two ends, electric furnace is by can the left and right body of heater of opening and closing form, be wrapped in flue skin, one end of flue is charging and discharging mouth, and the other end seals with vacuum extractor and air distributing device and communicates.
It is very difficult that existing rotary hydrogen broken furnace takes out magnetic under inert gas shielding; Cooling rate was low, and the processing time is long, from tens to three ten hours; Be the Muffle furnace of external-heat, energy resource consumption is large.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention will solve provides the flexible hydrogen of a kind of RE permanent magnetic alloy to break equipment.
The present invention adopts following technical scheme:
The invention provides a kind of RE permanent magnetic alloy hydrogen and break equipment, comprise and inhale hydrogen stove, dehydrogenation furnace, track sealing delivery vehicle and parallel orbit; Wherein inhale hydrogen stove and dehydrogenation furnace placed side by side in track one end, inhale on hydrogen stove, dehydrogenation furnace and track sealing delivery vehicle and be respectively arranged with separation valve door, track sealing delivery vehicle moves on parallel orbit, by separation valve door with inhale hydrogen stove and dehydrogenation furnace is connected respectively.
Further, described suction hydrogen stove is connected with vacuum system, vacuum-pumping pipeline have hydrogen gatherer, inert gas gatherer, relief valve device, inhale hydrogen stove and comprise furnace chamber and the first separation valve door, wherein the first separation valve door is arranged on furnace chamber one end, and the other end of furnace chamber is provided with fire door, and furnace chamber and the first separation valve door are provided with Pressure gauge and vacuum gauge, balanced valve pipeline is connected with, by balanced valve pipeline equalizing pressure between furnace chamber and the first separation valve door.
Further, described dehydrogenation furnace is at least 1, and described dehydrogenation furnace connects vacuum system by vacuum-pumping pipeline, vacuum-pumping pipeline has hydrogen gatherer, inert gas gatherer and relief valve device; Dehydrogenation furnace comprises furnace chamber and the second separation valve door, wherein the second separation valve door is arranged on furnace chamber one end, the other end of furnace chamber is provided with fire door, furnace chamber and the second separation valve door are provided with Pressure gauge and vacuum gauge, balanced valve pipeline is connected with, by balanced valve pipeline equalizing pressure between furnace chamber and the second separation valve door.
Further, have heating clamber in dehydrogenation furnace furnace chamber, heating chamber is thermal insulation layer, and thermal insulation layer inside is provided with heater; Dehydrogenation furnace furnace shell outer wall is jacket structured, is provided with outer circulation or Inner eycle air cooling system.
Further, in track sealing delivery vehicle, be provided with the conveyer sent into respectively by material and inhale hydrogen stove and dehydrogenation furnace, track sealing delivery vehicle is provided with inert gas incoming line.
Further, be also provided with rewinding case, rewinding case and dehydrogenation furnace placed side by side before track, rewinding case has the 3rd separation valve door can seal delivery vehicle with track to be connected, rewinding case to be provided with inert gas gatherer, to be provided with rewinding tank at described rewinding lower box part.
Further, described separation valve door is two-way seal insert plate valve, comprise valve plate, water-cooled tubular axis, traction cylinder, multiple connecting rod, valve plate is welded with water cooling tube or chuck, water cooling tube or chuck are connected on water-cooled tubular axis by flexible pipe, water-cooled tubular axis and valve plate geo-stationary, water-cooled tubular axis links with traction cylinder, there is track guiding roller device at two ends, valve plate left and right, traction cylinder rod drives valve plate displacement to clash into collision block, multiple connecting rod acts on valve plate and completes, heat screen is provided with in valve cavity, blind flange is arranged at two-way seal insert plate valve valve housing top, during maintenance, valve plate can remove valve body.
The present invention has following advantage and beneficial effect:
1, adopt that present device rare earth alloy is broken by hydrogen, Heating Dehydrogenation and cooling, improve powder size distribution and powder particle shape, have significant impact to raising magnet performance, the automaticity of production improves greatly.
2. compared with breaking equipment with existing hydrogen, suction hydrogen stove, dehydrogenation furnace and rewinding case are undertaken docking without oxygen contamination by track sealing delivery vehicle and separation valve door by the present invention, by being filled with inert gas, the taking-up magnetic process operation carried out under pressure-balanced condition is simple, and technical process is without oxygen contamination; Dehydrogenation efficiency is high, and evenly, cooling velocity is fast, and the processing time is short, and has saved the energy in cooling.
Accompanying drawing explanation
Fig. 1 is that the RE permanent magnetic alloy hydrogen of invention breaks equipment schematic diagram;
Fig. 2 is the structural representation of present device track sealing delivery vehicle;
Fig. 3 is the structural representation that present device inhales hydrogen stove;
Fig. 4 is the structural representation of present device dehydrogenation furnace;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of present device rewinding case;
Fig. 7 is the structural representation of present device separation valve door;
Sequence number in figure: 1, inhale hydrogen stove; 2, track sealing delivery vehicle; 3, dehydrogenation furnace; 4, track; 5, rewinding case; 6, Qianmen; 7,1# gloves flange; 8, vent valve pipeline; 9,1# observation window; 10,1# electrical control cubicles; 11,2# observation window; 12, charging valve; 13,1# Pressure gauge; 14, valve; 15, bin; 16,1# roller; 17, material fork; 18,1# motor reducer; 19,1# wheel; 20, delivery vehicle platform; 21, chain sprocket; 22,2# motor reducer; 23,2# wheel; 24, catch means; 25, motor reducer; 26, sprocket wheel chain; 27,2# roller; 28,1# connecting rod; 29, lead screw pair; 30, cylinder; 31,1# fire door; 32, pressure furnace door lock circle; 33,1# Pressuretight sylphon bellows; 34,1# condensation deduster; 35,1# operated pneumatic valve; 36,1# pressure sensor; 37,1# electro connecting pressure gauge; 38,1# resistance vacuum rule; 39, safety valve; 40, manually-operated gate; 41, gas cabinet; 42,1# sliding vane rotary pump; 43, Pneumatic baffle valve band electromagnetic release valve; 44,1# lobe pump; 45,2# sliding vane rotary pump; 46,1# vent valve; 47, the first separation valve door; 48,1# thermocouple; 49,1# balanced valve pipeline; 50,1# water-cooling system; 51,2# electrical control cubicles; 52, power cabinet; 53, copper bar; 54, blower fan; 55, heat exchanger; 56, stove circle is locked; 57,2# fire door; 58, electrode; 59,2# thermocouple; 60, the second separation valve door; 61, water-cooled turnover tubular axis; 62, heater; 63, thermal insulation layer; 64, nozzle; 65,2# pressure sensor; 66,2# resistance vacuum rule; 67,2# electro connecting pressure gauge; 68,2# lobe pump; 69,3# sliding vane rotary pump; 70,2# operated pneumatic valve; 71, safety valve pipeline; 72,2# condensation deduster; 73,2# Pressuretight sylphon bellows; 74,4# sliding vane rotary pump; 75,3# operated pneumatic valve; 76,2# vent valve; 77,2# water-cooling system; 78,2# balanced valve pipeline; 79, the 3rd separation valve door; 80, charging valve pipeline; 81,2# Pressure gauge; 82, discharging cylinder; 83, suspension bracket; 84,2# gloves flange; 85,3# vent valve; 86,3# observation window; 87, back door; 88, magazine; 89, roller gearing; 90, material hoisting platform frame cylinder; 91, recovering hopper; 92, butterfly valve; 93, glove box; 94, rewinding tank; 95, cylinder; 96, magnetic switch; 97, water-cooled tubular axis; 98, to find time flange; 99, flange is inflated; 100, track is secondary; 101, tubular axis cylinder rod is won in succession; 102, cushion rubber; 103, water-cooled valve plate; 104, intermediate plate; 105,2# connecting rod; 106, collision block.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment: as shown in Figure 1, present device comprises inhales hydrogen stove 1, dehydrogenation furnace 2 and track sealing delivery vehicle 3 and parallel track 4; Inhale hydrogen stove 1, dehydrogenation furnace 2 and track sealing delivery vehicle 3 respectively with separation valve door, inhale hydrogen stove 1 and dehydrogenation furnace 2 placed side by side before track 4, track sealing delivery vehicle 3 moves on track 4, by separation valve door with inhale hydrogen stove 1 and dehydrogenation furnace 2 is connected respectively.
As shown in Figure 2, track sealing delivery vehicle 3 has Qianmen 6, feeded by Qianmen 6, separation valve door below can be connected with rewinding case 5 with suction hydrogen stove 1, dehydrogenation furnace 2, inert gas is filled with in track sealing delivery vehicle 3, be provided with 2# roller 27, and the turbine and worm flexible material fork 17 of connecting rod 28 elevating mechanism of cylinder 30 promotion and driven by motor.Track sealing delivery vehicle 3 has vent valve pipeline 8 for venting.
As shown in Figure 3, inhale hydrogen stove 1 and comprise furnace chamber and the first separation valve door 47, wherein the first separation valve door 47 is arranged on furnace chamber one end, the other end of furnace chamber is provided with the 1# fire door 31 with pressure furnace door lock circle 32,1# balanced valve pipeline 49 is connected with, by 1# balanced valve pipeline 49 equalizing pressure between furnace chamber and the first separation valve door.
Inhaling hydrogen stove 1 is horizontal furnace shell, and furnace outer wall has water-cooled, and be provided with two cover 1# lobe pump 44+1# sliding vane rotary pump 42 vacuum suction pipeline, by inert gas dilution between sliding vane rotary pump and filter, vavuum pump quits work, and is filled with inert gas (vacuum breaker); Be provided with 1# balanced valve pipeline 49 between suction hydrogen room 1 and the first separation valve door 47, suction hydrogen room finds time pipeline is provided with gas cabinet 41, be respectively hydrogen ingress pipe road and inert gas incoming line; Be provided with electric-controlled type safety valve and broken sheet style safety valve; Be provided with 1# electro connecting pressure gauge 37,1# resistance vacuum rule 38 and 1# pressure sensor 36; Be provided with pressure automatic leak detection system, stop importing hydrogen when leak rate exceedes predetermined value; Body of heater flange is double manifold vacuum sealing, with inert gas shielding; Be provided with thermocouple 48 temperature protection; The first separation valve door 47 inhaling hydrogen stove 1 is that the push-pull valve of two way seal seals delivery vehicle 3 with track and is connected; Bin carrying magazine, to be placed in stove on bin by the flexible material fork 17 of track sealing delivery vehicle 3; 1# fire door 31 with pressure furnace door lock circle 32 is convenient to safeguard; RE permanent magnetic alloy completes at suction hydrogen stove 1 and is broken into powder;
As shown in Figure 4, dehydrogenation furnace 2 comprises furnace chamber and the second separation valve door 60, and wherein the second separation valve door 60 is arranged on furnace chamber one end, and the other end of furnace chamber is provided with fire door 57,2# balanced valve pipeline 78 is connected with, by 2# balanced valve pipeline 78 equalizing pressure between furnace chamber and the second separation valve door 60.Have heating clamber in dehydrogenation furnace 2 furnace chamber, heating chamber is provided with thermal insulation layer 63, and thermal insulation layer inside is provided with heater 62; Dehydrogenation furnace 2 furnace shell outer wall is water-cooling jacket structure.
As shown in Figure 5, dehydrogenation furnace 2 is horizontal circular furnace shells, furnace shell outer wall is double layer jacket structure, there is water-cooled, there is two cover 2# lobe pump 68+3# sliding vane rotary pump 69 vacuum system, have inert gas incoming line between 3# sliding vane rotary pump 69 and filter, vavuum pump quits work, and is filled with inert gas (vacuum breaker); There is inert gas incoming line; There are electric-controlled type safety valve and broken sheet style safety valve; Dehydrogenation furnace has inert gas scouring mechanism and automatic leak detection system, and exhaust pipe is provided with 2# Pressuretight sylphon bellows 73,2# condensation deduster 72, safety valve pipeline 71; Furnace shell flange is double manifold vacuum sealing, has inert gas protection device.Have heating clamber in stove, heating clamber has thermal insulation layer 63, heater 62 and thermocouple 59, and multi-region temperature controls separately; The separation valve door of heating furnace is that the push-pull valve of two way seal seals delivery vehicle 3 with track and is connected, and bin is placed on the bin of heating clamber in stove by the flexible material fork 17 of delivery vehicle; The hydrogen of releasing when dehydrogenation furnace 2 exceeds authorized pressure, stops heating; Hydrogen breaks powder and be filled with inert gas after dehydrogenation furnace 2 Dehydroepiandrosterone derivative, and start blower fan 54, refrigerating gas moves in circles and carries out cooling processing; Air cooling system has blower fan 54, deflector, mozzle and employing copper pipe to be wound around the high-performance heat exchanger 55 of fin, after powder material reaches tapping temperature, stops cooling blower 54; The fire door of pressure furnace door lock circle is had to be convenient to safeguard.
As shown in Figure 7, separation valve door is push-pull valve is that cylinder rod drives the water-cooled valve plate 103 of push-pull valve to be shifted, and water-cooled valve plate about 103 end has track roller guide assembly 100, and cylinder 95 bar promotion connecting rod 105 compresses valve plate and completes isolating seal effect; The Inlet and outlet water of water-cooled valve plate 103 is introduced tubular axis 97 and is linked with traction cylinder 95 bar, and valve plate has thermal insulation layer, has thermal insulation layer in valve casing; Be filled with inert gas in valve separate space when valve is in closed condition, have sliding vane rotary pump vacuum extractor, have pressure detecting.
Separation valve door is two-way seal insert plate valve, comprise valve plate 103, water-cooled tubular axis 97, traction cylinder 95, multiple connecting rod 105, collision block 106, extraction valve orchid 98, valve plate 103 is welded with water cooling tube or chuck, water cooling tube or chuck are connected on water-cooled tubular axis 97 by flexible pipe, water-cooled tubular axis 97 and valve plate 103 geo-stationary, water-cooled tubular axis 97 links with traction cylinder 95, there is track guiding roller device 100 at two ends, valve plate left and right, traction cylinder 95 bar drives valve plate 103 displacement to clash into collision block 106, multiple connecting rod 105 act on valve plate 103 complete compression cushion rubber 102 seal, heat screen is provided with in valve cavity, two-way seal insert plate valve casing top is provided with blind flange, during maintenance, valve plate can remove valve body.
As shown in Figure 6, feed box 5 has end roller gearing 89, and the shedding mechanism having cylinder 82 to drive has inert gas incoming line, discharging pipeline, glove box 93 and rewinding tank 94; The separation valve door 79 of feed box is that one-way sealing push-pull valve seals delivery vehicle 3 with track and is connected, and bin is placed on the bin in case by the flexible material fork 17 of track sealing delivery vehicle; Hydrogen breaks powder and is dispensed in multiple rewinding tank 94 at feed box.
Work of the present invention or operating process are:
Check power electric, power gas source, Municipal Sewage for Circulating and medium source of the gas.Check that all major-minor Plant in good condition can't harm, in running order.Inhale hydrogen stove 1, dehydrogenation furnace 2, rewinding case 5 and track sealing delivery vehicle 3 and have independent electrical control cubicles, adopt scatter operation pattern, make equipment meet production technology state and vacuum system starts and is in interlocking state, inert gas dilution valve is opened and is adjusted to regulation flow; Suction hydrogen stove 1 and dehydrogenation furnace 2 automatic leak detection result are not leaked; Isolation plate valve, fire door and chamber door are all closed; Heater is intact; Dielectric gas is through flow meter settings to predetermined value, and all the sensors is in the stable state of work.
As shown in Figure 2, track sealing delivery vehicle 3 is seal cases, during work, opens Qianmen 6, is placed on 1# roller 16 by the bin 15 being placed with magazine, shifts onto in case, close the door 6, open charging valve 12, air in filling with inert gas displacement case, 1# Pressure gauge 13 controlled pressure.Casing the right and left symmetry has multiple 1# gloves flange 7,1# observation window 9, and top board has 1# electrical control cubicles 10,2# observation window 11, vent valve pipeline 8 handled easily.It is that motor reducer 25 drives 2# wheel 23 mobile realization on guide rail 4 by sprocket wheel chain 26 that track sealing delivery vehicle moves to suction hydrogen stove 1 position.Track sealing delivery vehicle 3 base plate has 1# wheel 19 to be sitting on the track of delivery vehicle platform 20, docked with suction hydrogen stove 1, dehydrogenation furnace 2 and rewinding case 5 by 2# motor reducer 22, sprocket wheel chain 21 drive track sealing delivery vehicle, have position switch to control location, catch means 24 is located.When suction hydrogen stove 1, separation valve door 47 and the pressure balance of track sealing delivery vehicle 3, open valve 14, first separation valve door 47, start 1# motor reducer 18, by lead screw pair 29, material fork 17 is extend into suction hydrogen stove, pull connecting rod 28 by cylinder 30, location is by roller 27, fallen by material fork 17, bin 15 is placed on the bin of suction hydrogen stove, and material fork 17 is retracted in track sealing delivery vehicle 3, close the first separation valve door 47, wait for that inhaling hydrogen terminates.Under inert gas shielding atmosphere; isolating seal delivery vehicle 3 and suction hydrogen stove 1 and the first separation valve door 47 pressure balance; open the first separation valve door 47; start material fork 17 feeding; retract in track sealing delivery vehicle 3; closing valve 14, first separation valve door 47, opens locking device 24 and drops back, prepare the docking of next station.
As shown in Figure 3, inhale hydrogen stove 1 pumped vacuum systems by 1# Pressuretight sylphon bellows 33,1# condensation deduster 34,1# operated pneumatic valve 35, manually-operated gate 40,1# lobe pump 44,1# sliding vane rotary pump 42,2# sliding vane rotary pump 45, Pneumatic baffle valve band electromagnetic release valve 43 and vacuum line form, and are two lobe pump+sliding vane rotary pump vacuum pump set.As pressure≤0.1Pa, automatic vacuum leak detection result is not leaked, and filling with inert gas cleans, then vacuumizes, fills hydrogen by the hydrogen ingress pipe road in gas cabinet 41, and pressure reaches 0.096MPa, and hydrogen valve is closed automatically.It is complete that RE permanent magnetic alloy hydrogen abstraction reaction in charging basket is broken into powder, vacuumizes and recharge inert gas, and tail gas pipeline washes away from discharge room, roof through inert gas.1# pressure sensor 36,1# electro connecting pressure gauge 37,1# resistance vacuum rule 38 and 1# thermocouple 48 complete pressure and temperature control.Safety valve 39 pipeline has active safety valve and passive security valve.
Inhale hydrogen stove 1 and have the first separation valve door 47, vacuumized by 1# chip select pump 45 pairs of valve cavity, as pressure≤0.1Pa, recharge inert gas, have 1# vent valve 46.Suction hydrogen stove 1 and the first separation valve door 47 are by 1# balanced valve pipeline 49 equalizing pressure.Have 1# fire door 31 to be convenient to maintaining, the pressure furnace door lock circle 32 promoted by cylinder is sealed.Inhale hydrogen furnace shell and want water-cooled, have 1# water-cooling system 50.
Track sealing delivery vehicle 3 docks with dehydrogenation furnace 2, and dehydrogenation furnace 2 and the second separation valve door 60 are by 2# balanced valve pipeline 78 equalizing pressure; Under inert gas shielding atmosphere, when track the sealing pressure of delivery vehicle 3 and the pressure balance of dehydrogenation furnace 2, open the second separation valve door 60 and the magazine bin in delivery vehicle is sent into dehydrogenation furnace 2 by valve 14, close second and isolate separation valve door 60.
As shown in Figure 4,5, the vacuum system of dehydrogenation furnace 2 is identical with suction hydrogen stove 1, is made up of 2# Pressuretight sylphon bellows 73,2# condensation deduster 72,2# operated pneumatic valve 70,2# lobe pump 68,3# sliding vane rotary pump 69 and pipeline etc.Vacuumize, as pressure≤0.1Pa, automatic vacuum leak detection result is not leaked, and filling with inert gas cleans dehydrogenation furnace.Again vacuumize; Heating is started as pressure≤0.1Pa.Desorption temperature 500 ~ 900 DEG C, magnetic dehydrogenation reaction is complete, vacuumizes and recharges inert gas, and tail gas pipeline washes away from discharge room, roof through inert gas.Furnace shell Stress control is completed by 2# electro connecting pressure gauge 67,2# resistance vacuum rule 66 and 2# pressure sensor 65.Safety valve pipeline 71 pipeline there are active safety valve and passive security valve.Have circular heating chamber in dehydrogenation furnace, there is thermal insulation layer 63 indoor, have before in after multistage heating device 62 be connected with power cabinet 52 with copper bar 53 by water cooled electrode 58,2# thermocouple 59 subregion temperature control.
Filling with inert gas, pressure reaches 0.19 ~ 0.29Mpa, and start blower fan 54 and start the powder cooling in magazine and magazine, refrigerating gas blows to magazine by ventilation duct nozzle 64, by the gas that heats under the driving of blower fan 54 by high-performance heat exchanger 55 circulating cooling.
Second separation valve door 60 of dehydrogenation furnace 2 is push-pull valves of two way seal, opens 3# operated pneumatic valve 75 and is vacuumized by 4# sliding vane rotary pump 74 pairs of valve cavity, as pressure≤0.1Pa, recharge inert gas, have 2# vent valve 76.Dehydrogenation furnace 2 and the second separation valve door 60 are by 2# balanced valve pipeline 78 equalizing pressure.Have 2# fire door 57 to be convenient to maintaining, the locking stove circle 56 promoted by cylinder is sealed.Dehydrogenation furnace is double layer jacket structure, has water-cooled, and have 2# water-cooling system 77,2# water-cooling system 77 to carry out water circulation by water-cooled turnover tubular axis 61, dehydrogenation furnace carries out automatically controlled control by 2# electrical control cubicles 50.
In magazine and box, powder is cooled to 120 DEG C, and the second separation valve door 60 and dehydrogenation furnace 2 pressure balance, open the second separation valve door valve 60, bin is taken back delivery vehicle and closes separation valve door 60 by material fork 17, valve 14, track sealing delivery vehicle is displaced to the docking of rewinding case 5 place, waits for.
As shown in Figure 6, rewinding case 5 is seal cases, with the 3rd separation valve door 79 are push-pull valves of one-way sealing, seal delivery vehicle 3 with track and dock.During work, close the 3rd separation valve door 79 and back door 87, charging valve pipeline 80 is opened, air in filling with inert gas displacement case, 2# Pressure gauge 81 controlled pressure; Casing has multiple 2# gloves flange 84,3# observation window 86 and 3# vent valve 85.When rewinding case 5 and the pressure balance of track sealing delivery vehicle 3, open delivery vehicle valve 14 and the 3rd separation valve door 79, bin 15 is put on the material hoisting platform frame of rewinding case 5, valve-off 14 and separation valve door 79.Bin 15 is placed on roller gearing 89 by material hoisting platform frame cylinder 90 retraction, transmits location.Magazine 88 has end turnover door, and discharging cylinder 82 to be sling magazine by suspension bracket 83, and magazine bottom door is opened, and powder drops to recovering hopper 91, opens butterfly valve 92, is collected in rewinding tank 94 by powder by glove box 93.Glove box 93 and rewinding tank 94 have filling with inert gas pipe valve.
As shown in Figure 7, separation valve door is the push-pull valve of two way seal, and cylinder 95 draws intermediate plate 104 and is displaced to collision block 106, and multiple 2# connecting rod 105 promotes water-cooled valve plate 103 and press seal cushion rubber 102 completes isolating seal effect, magnetic switch 96 position control; About valve plate, end has track pair 100, ensures the guiding movement of water-cooled valve plate 103; Water-cooled valve plate 103 is connected with Inlet and outlet water tubular axis 97 and wins 101 in succession with cylinder rod interlock by tubular axis cylinder rod, and water-cooled valve plate 103 has thermal insulation layer, has thermal insulation layer in valve cavity; Have upper flange, during maintenance, valve plate can shift out valve body by upper flange mouth; When valve is in closed condition, valve cavity is interior passes through inflation flange 99 filling with inert gas, has exhaust pipe flange 98 to be connected with vacuum plant and finds time, have pressure detecting.
Aborning, control system can continuously scan status of equipment, and automatically runs according to the program preset.Whole operation completes in the man-machine interface of computer.
The display screen of electric control system or system can provide following information: the running status of hydrogen purity, vavuum pump, vacuum valve and vacuum line vacuum; Drive and show bin conveying and running status; Drive and display valve running status; The pressure and temperature of hydrogen stove, dehydrogenation furnace 2, rewinding case 5 and valve is inhaled in display; Dielectric gas running status, safe valve state; Actual cooling water, power atmospheric pressure, dielectric gas are reported to the police; Alarming and managing; Show all relevant technological parameters (setting value and actual value); Parameters input; Historical process parameter/data display and storage; The all main components of equipment can the operation of transmission display screen.
Present invention also offers a kind of RE permanent magnetic alloy hydrogen and break method, its technical process is as follows: 1) sent into by the charging basket that RE permanent magnetic alloy is housed and inhale hydrogen stove, to suction hydrogen stove evacuation or filling with inert gas after closing valve, after vacuum is higher than 50Pa or oxygen content≤0.1% (volume), fill hydrogen to-0.05 ~+0.5MPa, keep, after 10 minutes ~ 120 minutes, hydrogen being got rid of; When inhaling the pressure balance of hydrogen stove, separation valve door and track sealing delivery vehicle, opening separation valve door, charging basket being sent in track sealing delivery vehicle, closing separation valve door;
2) track sealing delivery vehicle translation docking dehydrogenation furnace; When the pressure balance of dehydrogenation furnace, separation valve door and track sealing delivery vehicle, open separation valve door, charging basket is sent to dehydrogenation furnace, close separation valve door; Start heating as dehydrogenation furnace pressure≤0.1Pa, the maximum temperature of heating is 500 ~ 900 DEG C, and the heat time is 4 ~ 20 hours;
3) after dehydrogenation furnace filling with inert gas, after gas pressure reaches-0.05 ~+0.5MPa, start blower fan to cool RE permanent magnetic alloy in charging basket and charging basket, behind in-furnace temperature≤120 DEG C, when the pressure balance of dehydrogenation furnace, separation valve door and track sealing delivery vehicle, open separation valve door, charging basket is sent in track sealing delivery vehicle.
When dehydrogenation furnace is arranged more than 2 or 2, step 2) and step 3) all assign in each dehydrogenation furnace heat time and cool time.
Can be found out by above-described embodiment, rare earth alloy is broken by hydrogen, Heating Dehydrogenation and process for cooling, improve powder size distribution and powder particle shape, have significant impact to raising magnet performance, the automaticity of production improves greatly.The those of ordinary skill of this specialty should be able to understand essence of the present invention, and recognizes that specific embodiment of the invention details can be made in claims and such as expand the various changes such as multiple dehydrogenation furnaces.
Claims (7)
1. the flexible hydrogen of RE permanent magnetic alloy breaks an equipment, it is characterized in that, comprises and inhales hydrogen stove, dehydrogenation furnace, track sealing delivery vehicle and parallel orbit; Wherein inhale hydrogen stove and dehydrogenation furnace placed side by side in track one end, inhale on hydrogen stove, dehydrogenation furnace and track sealing delivery vehicle and be respectively arranged with separation valve door, track sealing delivery vehicle moves on parallel orbit, by separation valve door with inhale hydrogen stove and dehydrogenation furnace is connected respectively.
2. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 1, it is characterized in that, described suction hydrogen stove is connected with vacuum system, vacuum-pumping pipeline have hydrogen gatherer, inert gas gatherer, relief valve device, inhale hydrogen stove and comprise furnace chamber and the first separation valve door, wherein the first separation valve door is arranged on furnace chamber one end, the other end of furnace chamber is provided with fire door, furnace chamber and the first separation valve door are provided with Pressure gauge and vacuum gauge, balanced valve pipeline is connected with, by balanced valve pipeline equalizing pressure between furnace chamber and the first separation valve door.
3. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 1, it is characterized in that, described dehydrogenation furnace is at least 1, and described dehydrogenation furnace connects vacuum system by vacuum-pumping pipeline, vacuum-pumping pipeline has inert gas gatherer and relief valve device; Dehydrogenation furnace comprises furnace chamber and the second separation valve door, wherein the second separation valve door is arranged on furnace chamber one end, the other end of furnace chamber is provided with fire door, furnace chamber and the second separation valve door are provided with Pressure gauge and vacuum gauge, balanced valve pipeline is connected with, by balanced valve pipeline equalizing pressure between furnace chamber and the second separation valve door.
4. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 3, it is characterized in that, have heating clamber in dehydrogenation furnace furnace chamber, heating chamber has thermal insulation layer, and thermal insulation layer inside is provided with heater; Dehydrogenation furnace furnace shell outer wall is water-cooling jacket structure, is provided with outer circulation or Inner eycle air cooling system.
5. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 1, it is characterized in that, in track sealing delivery vehicle, be provided with the conveyer sent into respectively by material and inhale hydrogen stove and dehydrogenation furnace, track sealing delivery vehicle is provided with inert gas incoming line.
6. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 1, it is characterized in that, also be provided with rewinding case, rewinding case and dehydrogenation furnace placed side by side before track, rewinding case has the 3rd separation valve door can seal delivery vehicle with track to be connected, rewinding case is provided with inert gas gatherer, is provided with rewinding tank at described rewinding lower box part.
7. break equipment according to the flexible hydrogen of RE permanent magnetic alloy according to claim 1, it is characterized in that, described separation valve door is two-way seal insert plate valve, comprise water-cooled valve plate, water-cooled tubular axis, traction cylinder, multiple connecting rod, water-cooled valve plate is welded with water cooling tube or chuck, water cooling tube or chuck are connected on water-cooled tubular axis by flexible pipe, water-cooled tubular axis and water-cooled valve plate geo-stationary, water-cooled tubular axis links with traction cylinder, there is track guiding roller device at two ends, water-cooled valve plate left and right, traction cylinder rod drives the displacement of water-cooled valve plate to clash into collision block, multiple connecting rod acts on water-cooled valve plate, valve housing top is provided with blind flange, during maintenance, water-cooled valve plate can shift out valve body.
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| CN201210442750.5A CN103801701B (en) | 2012-11-08 | 2012-11-08 | The flexible hydrogen of RE permanent magnetic alloy breaks equipment |
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| CN201210442750.5A CN103801701B (en) | 2012-11-08 | 2012-11-08 | The flexible hydrogen of RE permanent magnetic alloy breaks equipment |
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| CN103801701A CN103801701A (en) | 2014-05-21 |
| CN103801701B true CN103801701B (en) | 2015-11-18 |
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Address after: Hunnan District Huiquan road Shenyang city Liaoning province 110168 No. 8 Patentee after: Shenyang Liuhoudi Electroplating Co., Ltd. Address before: Liu Houdi village in Sujiatun District of Shenyang City, Liaoning province 110112 fonggouxiang Patentee before: SHENYANG ZHONGBEI VACUUM TECH CO., LTD. |
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