CN202943254U - Rare-earth permanent magnet alloy flexible hydrogen breaking equipment - Google Patents

Rare-earth permanent magnet alloy flexible hydrogen breaking equipment Download PDF

Info

Publication number
CN202943254U
CN202943254U CN 201220588177 CN201220588177U CN202943254U CN 202943254 U CN202943254 U CN 202943254U CN 201220588177 CN201220588177 CN 201220588177 CN 201220588177 U CN201220588177 U CN 201220588177U CN 202943254 U CN202943254 U CN 202943254U
Authority
CN
China
Prior art keywords
furnace
valve
hydrogen
water
dehydrogenation
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.)
Withdrawn - After Issue
Application number
CN 201220588177
Other languages
Chinese (zh)
Inventor
陈晓东
孙宝玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG ZHONGBEI VACUUM DEVICE CO., LTD.
Original Assignee
SHENYANG ZHONGBEI VACUUM MAGNET TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENYANG ZHONGBEI VACUUM MAGNET TECHNOLOGY Co Ltd filed Critical SHENYANG ZHONGBEI VACUUM MAGNET TECHNOLOGY Co Ltd
Priority to CN 201220588177 priority Critical patent/CN202943254U/en
Application granted granted Critical
Publication of CN202943254U publication Critical patent/CN202943254U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model relates to rare-earth permanent magnet alloy flexible hydrogen breaking equipment, in particular to neodymium iron boron rare-earth permanent magnet alloy flexible hydrogen breaking equipment which comprises a hydrogen sucking furnace, a dehydrogenation furnace, a track sealing conveying car and parallel tracks. The hydrogen sucking furnace and the dehydrogenation furnace are arranged at one ends of the tracks side by side. Partition valves are respectively arranged on the hydrogen sucking furnace, the dehydrogenation furnace and the track sealing conveying car. The track sealing conveying car moves on the parallel tracks and is respectively connected with the hydrogen sucking furnace and the dehydrogenation furnace through the partition valves. According to the equipment, the machining technology is that semi-continuous production is carried out on vacuum and inert gas shielding protecting atmosphere, broken powder is low in oxygen content, dehydrogenation is complete, and single-crystal particles in the powder occupy large specific weight.

Description

The broken equipment of the flexible hydrogen of RE permanent magnetic alloy
Technical field
The utility model relates to the broken field of hydrogen of RE permanent magnetic alloy, is the broken equipment of the flexible hydrogen of a kind of permanent-magnet rare-earth NdFeB alloy specifically.
Background technology
The 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., use is more and more widely arranged.Rare earth hydrogen storage alloy is also the negative material of Ni-MH battery.Be widely used in electric tool, hybrid vehicle etc., use is more and more widely arranged.
The broken equipment of existing permanent-magnet rare-earth NdFeB alloy hydrogen is a kind of rotation liner hydrogen crushing furnace, rotatable flue is supported on the two end supports part, but electric furnace is made of the left and right body of heater of opening and closing, be wrapped in the flue skin, one end of flue is the charging and discharging mouth, and the other end communicates with vacuum extractor and air distributing device sealing.
Existing rotary hydrogen broken furnace takes out magnetic under inert gas shielding very difficult; Cooling rate is low, and the processing time is long, from tens to 30 hours; Be the Muffle furnace of external-heat, energy resource consumption is large.
The utility model content
In order to solve the above-mentioned problems in the prior art, the utility model will solve provides the flexible hydrogen of a kind of RE permanent magnetic alloy broken equipment.
The utility model adopts following technical scheme:
The utility model provides a kind of RE permanent magnetic alloy hydrogen to break equipment, comprises inhaling hydrogen stove, dehydrogenation furnace, track sealing delivery vehicle and parallel orbit; Wherein inhale hydrogen stove and dehydrogenation furnace placed side by side at 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, is connected respectively by separation valve door and suction hydrogen stove and dehydrogenation furnace.
Further, described suction hydrogen stove is connected with has hydrogen gatherer, inert gas gatherer, relief valve device on vacuum system, vacuum-pumping pipeline, inhale the 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, are connected with the balanced valve pipeline between furnace chamber and the first separation valve door, by balanced valve pipeline equalizing pressure.
Further, described dehydrogenation furnace is at least 1, and described dehydrogenation furnace has vacuum-pumping pipeline to connect vacuum system, and hydrogen gatherer, inert gas gatherer and relief valve device are arranged on vacuum-pumping pipeline; 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, be connected with the balanced valve pipeline between furnace chamber and the second separation valve door, by balanced valve pipeline equalizing pressure.
Further, in the dehydrogenation furnace furnace chamber, heating clamber is arranged, heating clamber inside 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 interior circulating air cooling system.
Further, be provided with in track sealing delivery vehicle material is sent into respectively the conveyer of inhaling hydrogen stove and dehydrogenation furnace, be provided with inert gas on track sealing delivery vehicle and import pipeline.
Further, this device also is provided with the rewinding case, rewinding case and dehydrogenation furnace are placed side by side before track, and the rewinding case has the 3rd separation valve door to seal delivery vehicle with track to be connected, to be provided with the inert gas gatherer on the rewinding case, to be provided with the rewinding tank at described rewinding lower box part.
further, described separation valve door is two-way seal insert plate valve, comprise the water-cooled valve plate, the water-cooled tubular axis, the traction cylinder, a plurality of connecting rods, be welded with water cooling tube or chuck on the water-cooled valve plate, water cooling tube or chuck are connected on the water-cooled tubular axis by flexible pipe, the water-cooled tubular axis is relative with the water-cooled valve plate static, water-cooled tubular axis and the interlock of traction cylinder, there is the track guiding roller device at two ends, water-cooled valve plate left and right, the traction cylinder rod drives the displacement of water-cooled valve plate and clashes into collision block, a plurality of connecting rods act on the water-cooled valve plate and complete, be provided with heat screen in the valve cavity, blind flange is arranged at two-way seal insert plate valve valve housing top, during maintenance, the water-cooled valve plate can remove valve body.
The utlity model has following advantage and beneficial effect:
1, adopt the utility model equipment rare earth alloy by hydrogen break, Heating Dehydrogenation and cooling, improved powder size and distributed and the powder particle shape, the raising magnet performance is had significant impact, the automaticity of production improves greatly.
2. compare with the broken equipment of existing hydrogen, the utility model seals delivery vehicle and separation valve door by track and will inhale hydrogen stove, dehydrogenation furnace and rewinding case and carry out docking without oxygen contamination, by being filled with inert gas, the taking-up magnetic process operation that carries out under the pressure balance condition is simple, and technical process is without oxygen contamination; Dehydrogenation efficient is high, and cooling evenly cooling velocity is fast, and the processing time is short, and has saved the energy.
Description of drawings
Fig. 1 is the broken equipment schematic diagram of the RE permanent magnetic alloy hydrogen of utility model;
Fig. 2 is the structural representation of the utility model equipment rail sealing delivery vehicle;
Fig. 3 is the structural representation that the utility model equipment is inhaled the hydrogen stove;
Fig. 4 is the structural representation of the utility model equipment dehydrogenation furnace;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of the utility model equipment rewinding case;
Fig. 7 is the structural representation of the utility model equipment separation valve door;
Sequence number in figure: 1, inhale the hydrogen stove; 2, dehydrogenation furnace; 3, track sealing delivery vehicle; 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 gauge; 39, safety valve; 40, manually-operated gate; 41, gas cabinet; 42,1# sliding vane rotary pump; 43, Pneumatic baffle valve band electromagnetism vent 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, locking stove circle; 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 gauge; 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, the flange of finding time; 99, inflation flange; 100, track is secondary; 101, the 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.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment: as shown in Figure 1, the utility model equipment 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, is connected with dehydrogenation furnace with suction hydrogen stove 1 by separation valve door to be connected respectively.
As shown in Figure 2, track sealing delivery vehicle 3 has Qianmen 6, by Qianmen 6 chargings, the separation valve door of back can be connected with rewinding case 5 with suction hydrogen stove 1, dehydrogenation furnace 2, be filled with inert gas in track sealing delivery vehicle 3, be provided with 2# roller 27, and the flexible material fork 17 of the turbine and worm of connecting rod 28 elevating mechanisms of cylinder 30 promotions and driven by motor.Track sealing delivery vehicle 3 has vent valve pipeline 8 and is used 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, be connected with 1# balanced valve pipeline 49 between furnace chamber and the first separation valve door, by 1# balanced valve pipeline 49 equalizing pressures.
Inhaling hydrogen stove 1 is horizontal furnace shell, and furnace outer wall has water-cooled, is provided with two cover 1# lobe pump 44+1# sliding vane rotary pump 42 vacuum suction pipelines, and between sliding vane rotary pump and filter, by inert gas dilution, vavuum pump quits work, and is filled with inert gas (vacuum breaker); Inhale between hydrogen chamber 1 and the first separation valve door 47 and be provided with 1# balanced valve pipeline 49, inhale the hydrogen chamber and find time to be provided with gas cabinet 41 on pipeline, be respectively hydrogen ingress pipe road and inert gas and import pipeline; Be provided with electric-controlled type safety valve and fragmentation formula safety valve; Be provided with 1# electro connecting pressure gauge 37,1# resistance vacuum gauge 38 and 1# pressure sensor 36; Be provided with pressure automatic leak detection system, stop importing hydrogen when leak rate surpasses predetermined value; The body of heater flange is dual vacuum seal, with inert gas shielding; Be provided with thermocouple 48 temperature protection; The first separation valve door 47 of inhaling hydrogen stove 1 is that the push-pull valve of two way seal is connected with track sealing delivery vehicle 3; Bin carrying magazine, the flexible material that seal delivery vehicle 3 by track are pitched 17 and are placed in stove on bin; Be convenient to safeguard with the 1# fire door 31 of pressure furnace door lock circle 32; RE permanent magnetic alloy is completed 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, be connected with 2# balanced valve pipeline 78 between furnace chamber and the second separation valve door 60, by 2# balanced valve pipeline 78 equalizing pressures.In dehydrogenation furnace 2 furnace chambers, heating clamber is arranged, heating clamber inside is provided with thermal insulation layer 63, and thermal insulation layer inside is provided with heater 62; Dehydrogenation furnace 2 furnace shell outer walls are the water-cooling jacket structure.
As shown in Figure 5, dehydrogenation furnace 2 is horizontal circular furnace shells, and the furnace shell outer wall is double layer jacket structure, water-cooled is arranged, two cover 2# lobe pump 68+3# sliding vane rotary pump 69 vacuum systems are arranged, have inert gas to import pipeline 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 to import pipeline; Electric-controlled type safety valve and fragmentation formula safety valve are arranged; Dehydrogenation furnace has inert gas scouring mechanism and automatic leak detection system; Exhaust pipe is provided with 2# Pressuretight sylphon bellows 73,2# condensation deduster 72, safety valve pipeline 71; The furnace shell flange is dual vacuum seal, and inert gas protection device is arranged.Heating clamber is arranged in stove, and heating clamber has thermal insulation layer 63, heater 62 and thermocouple 59, and the multi-region temperature is controlled separately; The separation valve door of heating furnace is that the push-pull valve of two way seal is connected with track sealing delivery vehicle 3, and bin is placed on the bin of heating clamber in stove by the flexible material fork 17 of delivery vehicle; The hydrogen of emitting when dehydrogenation furnace 2 exceeds authorized pressure, stopped heating; The broken powder of hydrogen is filled with inert gas after dehydrogenation furnace 2 dehydrogenations are processed, start blower fan 54, and 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; There is the fire door of pressure furnace door lock circle to be convenient to safeguard.
As shown in Figure 7, separation valve door is that push-pull valve is water-cooled valve plate 103 displacements that cylinder rod drives push-pull valve, and water-cooled valve plate 103 left and right ends have the track roller guide assembly, and cylinder 95 bars promote connecting rod 105 compression valve plates 103 and complete the isolating seal effect; The Inlet and outlet water of water-cooled valve plate 103 is introduced tubular axis 97 and the 95 bar interlocks of traction cylinder, and valve plate has thermal insulation layer, in the valve casing, thermal insulation layer is arranged; Be filled with inert gas in the valve separate space when valve is in closed condition, the sliding vane rotary pump vacuum extractor is arranged, pressure detecting is arranged.
separation valve door is two-way seal insert plate valve, comprise valve plate 103, water-cooled tubular axis 97, traction cylinder 95, a plurality of connecting rods 105, collision block 106, extraction valve orchid 98, be welded with water cooling tube or chuck on valve plate 103, water cooling tube or chuck are connected on water-cooled tubular axis 97 by flexible pipe, water-cooled tubular axis 97 is relative with valve plate 103 static, water-cooled tubular axis 97 and 95 interlocks of traction cylinder, valve plate left and right end has track guiding roller device 100, traction cylinder 95 bars drive valve plate 103 displacements and clash into collision block 106, a plurality of connecting rods 105 act on valve plate 103 and complete 102 sealings of compression cushion rubber, be provided with heat screen in the valve cavity, blind flange is arranged at two-way seal insert plate valve casing top, 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 that has cylinder 82 to drive has inert gas to import pipeline, discharging pipeline, glove box 93 and rewinding tank 94; The separation valve door 79 of feed box is that the one-way sealing push-pull valve is connected with track sealing delivery vehicle 3, and bin seals on flexible material fork 17 bins that are placed in case of delivery vehicle by track; Hydrogen broken powder divides at feed box and installs to a plurality of rewinding tanks 94.
Work of the present utility model 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 are harmless, in running order.Inhale hydrogen stove 1, dehydrogenation furnace 2, rewinding case 5 and track sealing delivery vehicle 3 independent electrical control cubicles is arranged, adopt the scatter operation pattern, making equipment satisfy the production technology state is that vacuum system starts and is in interlocking state, and the regulation flow is opened and adjusted to the inert gas dilution valve; Inhaling hydrogen stove 1 and dehydrogenation furnace 2 automatic leak detection results does not leak; Isolation plate valve, fire door and chamber door are all closed; Heater is intact; Dielectric gas is set to predetermined value through flowmeter, 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, and the bin 15 that is placed with magazine is placed on 1# roller 16, shifts onto in case, closes the door 6, opens charging valve 12, air in filling with inert gas displacement case, 1# Pressure gauge 13 controlled pressures.Casing the right and left symmetry has a plurality of 1# gloves flanges 7,1# observation window 9, and top board has 1# electrical control cubicles 10,2# observation window 11, vent valve pipeline 8 handled easilies.Track sealing delivery vehicle moves to that to inhale hydrogen stove 1 position be that motor reducer 25 drives 2# wheels 23 mobile realization on guide rail 4 by sprocket wheel chain 26.Track sealing delivery vehicle 3 base plates have 1# wheel 19 to be sitting on the track of delivery vehicle platform 20, dock by 2# motor reducer 22, sprocket wheel chain 21 drive track sealing delivery vehicles and suction hydrogen stove 1, dehydrogenation furnace 2 and rewinding case 5, have position switch to control the location, catch means 24 is located.When inhaling hydrogen stove 1, separation valve door 47 and 3 pressure balances of track sealing delivery vehicle, open valve 14, the first separation valve door 47, start 1# motor reducer 18, will expect that by lead screw pair 29 fork 17 extend into suction hydrogen stove, pulls connecting rod 28 by cylinder 30, the location is by roller 27, to expect to pitch 17 and fall, bin 15 is placed on the bin of inhaling the 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 finishes.Under inert gas shielding atmosphere; isolating seal delivery vehicle 3 and suction hydrogen stove 1 and the first separation valve door 47 pressure balances; open the first separation valve door 47; start material fork 17 feedings; retract in track sealing delivery vehicle 3; closing valve 14, the first separation valve door 47 are opened locking device 24 recession, the docking of preparing 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 electromagnetism vent valve 43 and vacuum line form, and are two lobe pumps+sliding vane rotary pump vacuum units.When 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, the hydrogen valve autoshutdown.It is complete that RE permanent magnetic alloy hydrogen abstraction reaction in charging basket is broken into powder, vacuumizes and recharge inert gas, and the tail gas pipeline washes away outside the room is discharged on the roof through inert gas.1# pressure sensor 36,1# electro connecting pressure gauge 37,1# resistance vacuum gauge 38 and 1# thermocouple 48 are completed pressure and temperature and are controlled.Safety valve 39 pipelines have active safety valve and passive security valve.
Inhaling hydrogen stove 1 has the first separation valve door 47, vacuumizes by 45 pairs of valve cavitys of 1# chip select pump, when pressure≤0.1Pa, recharges inert gas, and 1# vent valve 46 is arranged.Inhale hydrogen stove 1 and the first separation valve door 47 by 1# balanced valve pipeline 49 equalizing pressures.Have 1# fire door 31 to be convenient to maintaining, the pressure furnace door lock circle 32 that promotes by cylinder seals.Inhale the hydrogen furnace shell and want water-cooled, 1# water-cooling system 50 is arranged.
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 pressures; Under inert gas shielding atmosphere, when the pressure of track sealing delivery vehicle 3 and the pressure balance of dehydrogenation furnace 2, open the second separation valve door 60 and valve 14 the magazine bin in delivery vehicle is sent into dehydrogenation furnace 2, close the second isolation separation valve door 60.
As shown in Fig. 4,5, the vacuum system of dehydrogenation furnace 2 is identical with suction hydrogen stove 1, is comprised 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, when pressure≤0.1Pa, automatic vacuum leak detection result is not leaked, and filling with inert gas cleans dehydrogenation furnace.Again vacuumize; Begin heating when pressure≤0.1Pa.500~900 ℃ of desorption temperatures, the magnetic dehydrogenation reaction is complete, vacuumizes to recharge inert gas, and the tail gas pipeline washes away outside the room is discharged on the roof through inert gas.Furnace shell pressure is controlled and is completed by 2# electro connecting pressure gauge 67,2# resistance vacuum gauge 66 and 2# pressure sensor 65.Active safety valve and passive security valve are arranged on safety valve pipeline 71 pipelines.Circular heating chamber is arranged in dehydrogenation furnace, indoor thermal insulation layer 63 is arranged, have front 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 controls.
Filling with inert gas, pressure reaches 0.19~0.29Mpa, and startup blower fan 54 begins the powder in magazine and magazine cooling, and refrigerating gas blows to magazine by ventilation duct nozzle 64, and heated gas passes through high-performance heat exchanger 55 circulating coolings under the driving of blower fan 54.
The second separation valve door 60 of dehydrogenation furnace 2 is push-pull valves of two way seal, opens 3# operated pneumatic valve 75 and vacuumizes by 74 pairs of valve cavitys of 4# sliding vane rotary pump, when pressure≤0.1Pa, recharges inert gas, and 2# vent valve 76 is arranged.Dehydrogenation furnace 2 and the second separation valve door 60 are by 2# balanced valve pipeline 78 equalizing pressures.Have 2# fire door 57 to be convenient to maintaining, the locking stove circle 56 that promotes by cylinder seals.Dehydrogenation furnace is double layer jacket structure, and water-cooled is arranged, and 2# water-cooling system 77 is arranged, and 2# water-cooling system 77 passes in and out tubular axis 61 by water-cooled and carries out water circulation, and dehydrogenation furnace carries out automatically controlled control by 2# electrical control cubicles 50.
In magazine and box, powder is cooled to 120 ℃, and the second separation valve door 60 and dehydrogenation furnace 2 pressure balances opened the second separation valve door valve 60, material fork 17 takes back delivery vehicle with bin and cuts out separation valve door 60, valve 14, track sealing delivery vehicle is displaced to the 5 places docking of rewinding case, 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, dock with track sealing delivery vehicle 3.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 pressures; Casing has a plurality of 2 # gloves flanges 84,3 # observation window 86 and 3# vent valve 85.When rewinding case 5 and 3 pressure balances of track sealing delivery vehicle, 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 retractions, transmits the location.Magazine 88 has end turnover door, and discharging cylinder 82 is by suspension bracket 83 magazine of slinging, and the magazine bottom door is opened, and powder drops to recovering hopper 91, opens butterfly valve 92, by glove box 93, powder is collected in rewinding tank 94.Glove box 93 and rewinding tank 94 have the 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 traction intermediate plates 104 are displaced to collision block 106, and a plurality of 2# connecting rods 105 promote water-cooled valve plate 103 and press seal cushion rubber 102 is completed the isolating seal effect, magnetic switch 96 Position Control; Valve plate left and right end has track pair 100, guarantees 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 the cylinder rod interlock by the tubular axis cylinder rod, and water-cooled valve plate 103 has thermal insulation layer, in the valve cavity, thermal insulation layer is arranged; Upper flange is arranged, and during maintenance, valve plate can shift out valve body by the upper flange mouth; Pass through inflation flange 99 filling with inert gas when valve is in closed condition in the valve cavity, have exhaust pipe flange 98 to be connected with vacuum plant and find time, pressure detecting is arranged.
Aborning, control system can continuously scan status of equipment, and automatically moves according to predefined program.Whole operation is to complete on 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 the conveying of demonstration bin and running status; Drive and demonstration valve running status; Show the pressure and temperature of inhaling hydrogen stove, dehydrogenation furnace 2, rewinding case 5 and valve; Dielectric gas running status, safety 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); The parameter input; Historical technological parameter/data show and store; All main components of equipment can the operation of transmission display screen.
The utility model also provides a kind of RE permanent magnetic alloy hydrogen to break method, its technical process is as follows: the charging basket that 1) RE permanent magnetic alloy will be housed is sent into suction hydrogen stove, after closing valve to inhaling hydrogen stove evacuation or filling with inert gas, when vacuum higher than 50Pa or oxygen content≤0.1%(volume) after, 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, open separation valve door, charging basket is sent in track sealing delivery vehicle, close separation valve door;
2) track sealing delivery vehicle translation docking dehydrogenation furnace; When dehydrogenation furnace, separation valve door and track seal the pressure balance of delivery vehicle, open separation valve door, charging basket is sent to dehydrogenation furnace, close separation valve door; Begin heating when dehydrogenation furnace pressure≤0.1Pa, the maximum temperature of heating is 500~900 ℃, and be 4~20 hours heat time heating time;
3) after the dehydrogenation furnace filling with inert gas, when gas pressure reach-0.05~+ 0.5MPa after, starting blower fan carries out cooling to RE permanent magnetic alloy in charging basket and charging basket, after temperature in stove≤120 ℃, when dehydrogenation furnace, separation valve door and track seal the pressure balance of delivery vehicle, open separation valve door, charging basket is sent in track sealing delivery vehicle.
Dehydrogenation furnace arranges 2 or 2 when above, step 2) and all assign in each dehydrogenation furnace step 3) heat time heating time and cool time.
Can find out by above-described embodiment, rare earth alloy by hydrogen break, Heating Dehydrogenation and process for cooling, improved powder size and distributed and the powder particle shape, the raising magnet performance is had significant impact, the automaticity of production improves greatly.
This professional those of ordinary skill should be able to be understood essence of the present utility model, and recognizes that concrete implementation detail of the present utility model can make in the claim protection domain such as various variations such as expansion a plurality of dehydrogenation furnaces etc.

Claims (7)

1. the broken equipment of the flexible hydrogen of RE permanent magnetic alloy, is characterized in that, comprises and inhale hydrogen stove, dehydrogenation furnace, track sealing delivery vehicle and parallel orbit; Wherein inhale hydrogen stove and dehydrogenation furnace placed side by side at 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, is connected respectively by separation valve door and suction hydrogen stove and dehydrogenation furnace.
2. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 1, it is characterized in that, described suction hydrogen stove is connected with has hydrogen gatherer, inert gas gatherer, relief valve device on vacuum system, vacuum-pumping pipeline, inhale the 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, be connected with the balanced valve pipeline between furnace chamber and the first separation valve door, by balanced valve pipeline equalizing pressure.
3. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 1, it is characterized in that, described dehydrogenation furnace is at least 1, and described dehydrogenation furnace has vacuum-pumping pipeline to connect vacuum system, and inert gas gatherer and relief valve device are arranged on vacuum-pumping pipeline; 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, be connected with the balanced valve pipeline between furnace chamber and the second separation valve door, by balanced valve pipeline equalizing pressure.
4. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 3, it is characterized in that in the dehydrogenation furnace furnace chamber, heating clamber being arranged, there is thermal insulation layer heating clamber inside, and thermal insulation layer inside is provided with heater; Dehydrogenation furnace furnace shell outer wall is the water-cooling jacket structure, is provided with outer circulation or interior circulating air cooling system.
5. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 1, it is characterized in that, be provided with in track sealing delivery vehicle material is sent into respectively the conveyer of inhaling hydrogen stove and dehydrogenation furnace, be provided with inert gas on track sealing delivery vehicle and import pipeline.
6. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 1, it is characterized in that, this equipment also is provided with the rewinding case, rewinding case and dehydrogenation furnace are placed side by side before track, the rewinding case has the 3rd separation valve door to seal delivery vehicle with track to be connected, to be provided with the inert gas gatherer on the rewinding case, to be provided with the rewinding tank at described rewinding lower box part.
7. according to the broken equipment of the flexible hydrogen of RE permanent magnetic alloy claimed in claim 1, it is characterized in that, described separation valve door is two-way seal insert plate valve, comprise the water-cooled valve plate, the water-cooled tubular axis, the traction cylinder, a plurality of connecting rods, be welded with water cooling tube or chuck on the water-cooled valve plate, water cooling tube or chuck are connected on the water-cooled tubular axis by flexible pipe, the water-cooled tubular axis is relative with the water-cooled valve plate static, water-cooled tubular axis and the interlock of traction cylinder, there is the track guiding roller device at two ends, water-cooled valve plate left and right, the traction cylinder rod drives the displacement of water-cooled valve plate and clashes into collision block, a plurality of connecting rods act on the water-cooled valve plate, the corresponding both sides of valve housing are respectively arranged with blind flange, during maintenance, the water-cooled valve plate can shift out valve body.
CN 201220588177 2012-11-08 2012-11-08 Rare-earth permanent magnet alloy flexible hydrogen breaking equipment Withdrawn - After Issue CN202943254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220588177 CN202943254U (en) 2012-11-08 2012-11-08 Rare-earth permanent magnet alloy flexible hydrogen breaking equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220588177 CN202943254U (en) 2012-11-08 2012-11-08 Rare-earth permanent magnet alloy flexible hydrogen breaking equipment

Publications (1)

Publication Number Publication Date
CN202943254U true CN202943254U (en) 2013-05-22

Family

ID=48418969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220588177 Withdrawn - After Issue CN202943254U (en) 2012-11-08 2012-11-08 Rare-earth permanent magnet alloy flexible hydrogen breaking equipment

Country Status (1)

Country Link
CN (1) CN202943254U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103769593A (en) * 2013-12-30 2014-05-07 安徽万磁电子有限公司 Sintered Ne-Fe-B hydrogen decrepitation method capable of lowering cost and improving efficiency
CN103801701A (en) * 2012-11-08 2014-05-21 沈阳中北真空科技有限公司 Rare earth permanent magnetic alloy flexible hydrogen breaking equipment
CN109524628A (en) * 2017-09-18 2019-03-26 上海杉杉科技有限公司 The method and lithium ion battery that technique preparation aoxidizes sub- silicium cathode material are broken using hydrogen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103801701A (en) * 2012-11-08 2014-05-21 沈阳中北真空科技有限公司 Rare earth permanent magnetic alloy flexible hydrogen breaking equipment
CN103801701B (en) * 2012-11-08 2015-11-18 沈阳中北真空科技有限公司 The flexible hydrogen of RE permanent magnetic alloy breaks equipment
CN103769593A (en) * 2013-12-30 2014-05-07 安徽万磁电子有限公司 Sintered Ne-Fe-B hydrogen decrepitation method capable of lowering cost and improving efficiency
CN109524628A (en) * 2017-09-18 2019-03-26 上海杉杉科技有限公司 The method and lithium ion battery that technique preparation aoxidizes sub- silicium cathode material are broken using hydrogen
CN109524628B (en) * 2017-09-18 2021-06-04 上海杉杉科技有限公司 Method for preparing silicon monoxide negative electrode material by adopting hydrogen cracking process and lithium ion battery

Similar Documents

Publication Publication Date Title
CN103801693B (en) RE permanent magnetic alloy flexible sintered process
CN202943253U (en) Rare-earth permanent magnet alloy hydrogen breaking continuous production equipment
CN103801688B (en) RE permanent magnetic alloy continuous sintering plant
CN103801701B (en) The flexible hydrogen of RE permanent magnetic alloy breaks equipment
CN103805825A (en) Vacuum-induction smelting and rapid hardening equipment for rare-earth permanent-magnet alloy
CN202943254U (en) Rare-earth permanent magnet alloy flexible hydrogen breaking equipment
CN109097540B (en) Parallel vacuum heat treatment equipment and vacuum heat treatment method
CN202945304U (en) Vacuum-induction smelting and rapid hardening equipment for rare-earth permanent-magnet alloy
CN103801692B (en) RE permanent magnetic alloy flexible sintered equipment
CN202943252U (en) Rare-earth permanent magnet alloy flexible sintering equipment
US20140127072A1 (en) Continuous sintering method for rare earth permanent magnetic alloy and equipment therefor
CN202943251U (en) Rare-earth permanent magnet alloy continuous sintering equipment
CN103624263B (en) A kind of hydrogen crushing furnace
CN103801700A (en) Rare earth permanent magnetic alloy flexible hydrogen breaking process method
CN202945305U (en) Vacuum-induction smelting and rapid hardening equipment for rare-earth permanent-magnet alloy
CN105617943A (en) Large-volume vacuum cracking furnace
CN103805835B (en) RE permanent magnetic alloy stoking processing method
US20140348690A1 (en) Method for flexibly sintering rare earth permanent magnetic alloy and sintering equipment thereof
CN107058701B (en) A kind of intermittent continuous hydrogen processing method and its device of rare earth permanent magnet
CN109014191B (en) Rare earth permanent magnet vacuum heat treatment furnace and rare earth permanent magnet heat treatment method
WO2014071707A1 (en) Continuous hydrogen decrepitation processing method for rare earth permanently magnetic alloy and production equipment therefor
CN202824667U (en) Neodymium iron boron hydrogen crushing device
CN215178412U (en) Generator hydrogen cooler leaks hydrogen monitoring devices
CN103801702B (en) RE permanent magnetic alloy hydrogen breaks continuous producing apparatus
CN109158608B (en) Vacuum hydrogen crushing production line and hydrogen crushing method

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHENYANG NORTH-VACUUM TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: SHENYANG ZHONGBEI VACUUM MAGNETIC ELECTRICITY TECHNOLOGY CO., LTD.

Effective date: 20140214

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20140214

Address after: 110200 No. 19, main street, offshore economic zone, Liaoning, Shenyang

Patentee after: SHENYANG ZHONGBEI VACUUM DEVICE CO., LTD.

Address before: 110200 No. 19, main street, offshore economic zone, Liaoning, Shenyang

Patentee before: Shenyang Zhongbei Vacuum Magnet Technology Co., Ltd.

AV01 Patent right actively abandoned

Granted publication date: 20130522

Effective date of abandoning: 20151118

AV01 Patent right actively abandoned

Granted publication date: 20130522

Effective date of abandoning: 20151118

C25 Abandonment of patent right or utility model to avoid double patenting