CN103205779A - Large-current step-by-step transferring switch for aluminium electrolysis cell and step-by-step current transferring method - Google Patents
Large-current step-by-step transferring switch for aluminium electrolysis cell and step-by-step current transferring method Download PDFInfo
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- CN103205779A CN103205779A CN2013101521073A CN201310152107A CN103205779A CN 103205779 A CN103205779 A CN 103205779A CN 2013101521073 A CN2013101521073 A CN 2013101521073A CN 201310152107 A CN201310152107 A CN 201310152107A CN 103205779 A CN103205779 A CN 103205779A
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Abstract
The invention relates to a device for realizing on/off of current by need of step-by-step transferring of current on certain equipment under the condition that the system is not powered off or the current is not reduced in a direct-current and large-current series circuit system, and particularly relates to a large-current step-by-step transferring switch for an aluminium electrolysis cell and a step-by-step current transferring method. The large-current step-by-step transferring switch comprises a supporting plate, a sealing cover plate, connecting plates of an upper contact and a lower contact of the switch, an insulated frame, an insulated movable pressing and connecting plate, a power moving mechanism and an insulated base, wherein the power moving mechanism and all the switches control the connection and separation of the connecting plates by synchronous forward-reverse rotation of a motor. The device and the method have the advantages that the weight is light, the use is safe and convenient, the occupied space is small, the working is reliable, the manufacturing cost is low, the installation is not influenced by the magnetic field of an electrolytic bath, and the thickness, the area and the materials of the connecting plates can be determined according to the requirement of the partial current design.
Description
Technical field
The present invention relates to a kind of in D.C. high-current series circuit system, need not cut off the power supply or fall under the current conditions in system, electric current on a certain equipment is wherein shifted to realize the device of galvanization or outage stream step by step, particularly relate to a kind of aluminum electrolyzing cell used big electric current transfer switch and electric current transfer method step by step step by step.
Background technology
An electrolysis series is in series by up to a hundred electrolyzers usually, series voltage height, electric current are big, an electrolyzer is because of overhaul or other reason in series, when outage or energising, need to operate under serial power down mode, the series power failure not only causes the impact to power supply grid, and the operation to electrolyzer simultaneously also causes interference, influence productive capacity, shorten the life-span of electrolyzer.
All the time; international and domestic aluminium industry member is being carried out the research that stops groove and fluting and the practice of electrolyzer under the electrolysis series total current situation always; at present main result of study has direct mechanical opening and closing device, fusible cut-out protector, adopts switch to carry out several modes such as short circuit; though all can realize in a sense to electrolyzer under serial total current situation fluting or stop groove, all exist some problems.Therefore, the mode of existing turning on or off bath without power failure of electrobath system still is not ideal enough.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, provide a kind of in light weight, safe and convenient to use, and the place that takes up room is little, reliable operation, cost are lower, the aluminum electrolyzing cell used big electric current transfer switch step by step that is not subjected to the electrolyzer influence of magnetic field is installed, and can determine the thickness of the upper and lower contact web plate of switch according to the partial current design requirements, area and use material.
Technical scheme of the present invention is:
A kind of aluminum electrolyzing cell used big electric current is transfer switch step by step, comprise back up pad, sealing cover plate, on the switch, following contact web plate, Insulating frame, mobile crimping plate insulate, power travel mechanism, insulator foot, described power travel mechanism is by on the motor synchronous rotating trip switch, between the following contact web plate closed with separate, between left back up pad and middle back up pad, fixedly have respectively two tape insulation layers on horizontal back shaft down among horizontal back shaft and two, at least be provided with on the pair of switches, following contact web plate, the upper contact head web plate is fixed on the Insulating frame, Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod that is fixed on one group of insulcrete both sides, following contact web plate is fixed on the mobile crimping plate of insulation, and go up in the horizontal back shaft during the upper end slip cap of the mobile crimping plate that insulate is contained in, during the lower end slip cap of mobile crimping plate of insulating is contained in down in the horizontal back shaft, between upper contact head web plate and the mobile crimping plate of insulation, on between following contact web plate and the mobile crimping plate of adjacent insulation, be set with spring in the horizontal back shaft down, power travel mechanism is fixed on the middle part sidewall of right back up pad, the to-and-fro movement telescopic head of power travel mechanism is fixedlyed connected with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, right side wall upper end in middle back up pad is provided with a closed limit switch, be provided with one in the left side wall lower end of middle back up pad and separate limit switch, near on the switch of power travel mechanism, internal resistance after the following contact web plate closure is n in the R, and R
Interior 1R
Interior 2R
Interior 3... R
Interior n
Distance between the close upper and lower contact web plate of two adjacent groups switch of power travel mechanism is Ln, and L1＜L2＜L3＜...＜Ln, wherein n is natural number.
One-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, the profile of the mobile crimping plate of described insulation is similar to " worker " font structure.
The upper and lower contact web plate of switch is the upper and lower contact web plate of XY switch that matches each other, the upper and lower contact web plate of the broken-line type switch that two interactions are complementary, in the upper and lower contact web plate of the concave-convex curved surface switch that matches each other any one, and natural number n satisfies 1≤n≤12.
The upper and lower contact web plate of described XY switch is the triangle projective planum contact web plate that matches each other, or the polygon plane contact web plate for matching each other; The upper and lower contact web plate of the broken-line type switch that two interactions are complementary is the broken-line type contact web plate that two crossing two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged contact web plate; Two concave-convex curved surface contact web plates that match each other are two arc surface formula contact web plates that match each other, and perhaps are two wavy contact web plates of coupling mutually.
Described power travel mechanism is the electric transfer bar mechanism that servomotor and reciprocating push rod constitute; It perhaps is the pinion and rack that servomotor and gear, tooth bar constitute; Perhaps be that worm screw constitutes electric worm-and-wheel gear by servomotor and worm gear; Perhaps be by air pump, gas-holder, the air pressure mechanism that conduit and piston are formed; Perhaps be by liquid pump, fuel reserve tank, the hydraulic gear that conduit and piston are formed.
A kind of pot line any electrolyzer that do not have a power failure stops the method for groove or fluting: with big electric current step by step each switch in parallel in the transfer switch group to stopping in advance or opening in advance on the anode column and corresponding short-circuit block thereof of electrolyzer, or each switch is connected to stops in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with short circuit mouth electrolyzer turnover bus two ends, make big electric current step by step the servomotor in the power travel mechanism of each switch in the transfer switch group start synchronously, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, the electric current of the former electrolyzer of flowing through is progressively switched to big electric current step by step on the loop of transfer switch group, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current that stops the groove electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column in the electrolyzer of to slot then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlock to open big electric current transfer switch group step by step synchronously, current transition to opening in advance in the electrobath circuit, is realized the fluting of electrolyzer.
A kind of pot line any electrolyzer that do not have a power failure stops the method for groove or fluting, with many big electric currents step by step the switches set formed of transfer switch be parallel on the short-circuit block of each anode column in the electrolyzer that stops in advance or open in advance and anode column correspondence thereof, or be connected to and stop in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with the current output terminal that advances of electrolyzer, make many big electric currents step by step the motor synchronous in the transfer switch power travel mechanism start, the corresponding big electric current more than or two or two of each anode column is transfer switch step by step, the perhaps corresponding big electric current of two or more anode columns transfer switch step by step, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, electric current on the former electrolyzer of flowing through is progressively switched on the loop of switches set, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current of former electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert respectively on each anode column of electrolyzer and the corresponding short-circuit block thereof, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlocking dress to open big electric current transfer switch group step by step synchronously, current transition in electrobath circuit, is realized the electrolyzer fluting.
Useful positively effect of the present invention is:
A kind of aluminum electrolyzing cell used big electric current of the present invention step by step the mode of transfer switch by the upper and lower contact web plate of switch gradation closure big electric current is shifted step by step, realize not cutting off the power supply to maintenance or the replacement of aluminium cell, avoided electrolyzer to the impact of electrical network with to the damage of rectifier unit.
2. the present invention need not to install arcing contact, and the big electric current of electrolyzer generates heat after by the upper and lower contact web plate of switch closure and realizes that whole process does not have spark phenomenon, and operational safety is reliable.
3. apparatus of the present invention all adopt antimagnetic material, install and use the influence that is not subjected to electrolyzer magnetic field, and simple in structure, in light weight, and the place that takes up room is less, and cost is lower.
Description of drawings
Fig. 1 is a kind of aluminum electrolyzing cell used big electric current of the present invention principle schematic of transfer switch step by step;
Fig. 2 is one of main TV structure synoptic diagram of the present invention;
Fig. 3 is the structure for amplifying synoptic diagram of B part among Fig. 2;
Fig. 4 is the plan structure synoptic diagram of Fig. 2;
Fig. 5 is the A-A sectional structure synoptic diagram of Fig. 2;
Fig. 6 is two of main TV structure synoptic diagram of the present invention;
Fig. 7 is the plan structure synoptic diagram of Fig. 6;
Fig. 8 is the main TV structure synoptic diagram of Insulating frame among the present invention and the mobile crimping plate annexation of insulation;
Fig. 9 is the plan structure synoptic diagram of Insulating frame among the present invention and the mobile crimping plate annexation of insulation;
Figure 10 is the left TV structure synoptic diagram of Insulating frame among the present invention and the mobile crimping plate annexation of insulation;
Figure 11 is the main TV structure synoptic diagram of Insulating frame among the present invention;
Figure 12 is the plan structure synoptic diagram of Insulating frame among the present invention;
Figure 13 is the side-looking structural representation of Insulating frame among the present invention;
Figure 14 is the structural representation of the mobile crimping plate of insulation among the present invention;
Figure 15 concerns synoptic diagram for the position of the upper and lower contact web plate of switch among the present invention;
Figure 16 is motor positive and inverse control principle synoptic diagram of the present invention;
Figure 17 is the structural representation of the upper and lower contact web plate of broken-line type switch;
Figure 18 is the structural representation of the upper and lower contact web plate of spination switch;
Figure 19 is the structural representation of the upper and lower contact web plate of wavy switch;
Figure 20 is the structural representation of the upper and lower contact web plate of arc surface formula switch.
Embodiment
Referring to Fig. 1 ~ shown in Figure 20, the meaning 1 of number in the figure representative is electrolyzer, 2 are the short circuit mouth, 3 is big electric current transfer device step by step, and 4 is on the switch, following contact web plate, 5 is left back up pad, 6 is the upper contact head web plate, 6a is broken-line type upper contact head web plate, and 6b is spination upper contact head web plate, and 6c is wavy upper contact head web plate, 6d is arc surface formula upper contact head web plate, 7 is spring, and 8 is Insulating frame, and 8a is insulcrete, 8b is insulating support rod, 9 are following contact web plate, and 9a is contact web plate under the broken-line type, and 9b is contact web plate under the spination, 9c is wavy contact web plate down, 9d is contact web plate under the arc surface formula, and 10 are the mobile crimping plate of insulation, and 11 is insulator foot, 12 is electric push rod, 13 be in horizontal fulcrum, 14 is switch upper contact head leading point, 15 is sealing cover plate, 16 is contact leading point under the switch, 17 is bolt, and 18 is insulating sleeve, and 19 is plain washer, 20 is spring washer, 21 is nut, and 22 is support platform, and 23 is rack and pinion drive mechanism, 24 for separating limit switch, 25 is closed limit switch, and 26 is middle back up pad, and 27 is right back up pad.
Embodiment 1: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, shown in Figure 16, a kind of aluminum electrolyzing cell used big electric current is transfer switch step by step, comprise back up pad, sealing cover plate 15, on the switch, following contact web plate 4, Insulating frame 8, mobile crimping plate 10 insulate, Electrohydraulic push rod 12, insulator foot 11, electricity push rod 12 is by on the motor synchronous rotating trip switch, between the following contact web plate 4 closed with separate, between left back up pad 5 and middle back up pad 26, fixedly have respectively two tape insulation layers on horizontal back shaft down among horizontal back shaft and two, at least be provided with on the pair of switches, following contact web plate, upper contact head web plate 6 are fixed on the Insulating frame 8, and Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod 8b that is fixed on one group of insulcrete both sides, following contact web plate 9 is fixed on the mobile crimping plate of insulation, and during being contained in, in the last horizontal back shaft 13, descends during the lower end slip cap of the mobile crimping plate that insulate is contained in the horizontal back shaft upper end slip cap of the mobile crimping plate that insulate, between upper contact head web plate and the mobile crimping plate of insulation, on between following contact web plate and the mobile crimping plate of adjacent insulation, be set with spring 7 in the horizontal back shaft down, electricity push rod 12 is fixedly mounted on the middle part sidewall of right back up pad 27, and the to-and-fro movement telescopic head of Electrohydraulic push rod is connected and fixed with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, is provided with a closed limit switch 25 in the right side wall upper end of middle back up pad, be provided with one in the left side wall lower end of middle back up pad and separate limit switch 24, near on the switch of power travel mechanism, internal resistance after the following contact web plate closure is R
Interior m, and R
Interior 1R
Interior 2R
Interior 3... R
Interior n,
Distance between the close upper and lower contact web plate of two adjacent groups switch of power travel mechanism is Ln, and L1＜L2＜L3＜...＜Ln, wherein n is natural number.
Big electric current is step by step in the transfer switch group, one-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, approximate " worker " font structure of profile of mobile crimping plate 10 insulate, the material of the upper and lower contact web plate of switch is made with pure copper material, also can be nichrome, Aludirome, constantan, cupronickel, mauganin, aluminium, nickel etc.
As shown in figure 16, motor is just turning over journey and is being: press start button SB1, contactor KM coil electricity, the auxiliary normally opened contact KM1 closure of the KM in parallel with SB1 continues energising to guarantee the KM coil, and the main contact that is connected on KM in the electric motor loop continues closed, contact KM10 in each electric motor loop in parallel, KM20, KM30, the KMn0 closure, the running of the continuous forward of each motor, electric push rod action, touch the combined floodgate limit switch after, the motor outage, each contact continues closed; Umklapp process: press invert button SB2, contactor KM coil electricity, the auxiliary normally closed contact KM2 of KM switches on the KM coil continuously, the KM main contact that is connected in the electric motor loop continues closed, contact KM1C in each electric motor loop in parallel, KM2C, KM3C, KMnC continues closed, the continuous antiport of each motor, the action of electric push rod, touch the separating brake limit switch after, motor outage, each contact continue to disconnect.
Embodiment 2: referring to Fig. 1, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, shown in Figure 180, the same meaning of identical representative among number in the figure and the embodiment 1, no longer repeat with part identical among the embodiment 1, different is: described power travel mechanism is rack and pinion drive mechanism 23, and rack and pinion drive mechanism 23 is located on the support platform 22, on the switch, following contact web plate be shaped as broken-line type switch upper contact head web plate 6a and the following contact web plate 9a that two interactions are complementary, namely on the broken-line type switch that two interactions are complementary, following contact web plate is two to intersect the broken-line type contact web plate that two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged upper contact head web plate 6b and jagged time contact; Web plate 9b.
Embodiment 3: no longer repeat with part identical among the embodiment 1, different is: described power travel mechanism is for by servomotor and turbine, the electric turbine and worm mechanism that worm screw constitutes.
Embodiment 4: no longer repeat with part identical among the embodiment 1, different is: the air pressure mechanism of described power travel mechanism for being made up of air pump, gas-holder and piston.
Embodiment 5: referring to Fig. 1, and Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, shown in Figure 19, the same meaning of identical representative among number in the figure and the embodiment 1 no longer repeats with part identical among the embodiment 1, and different is: be two wavy upper contact head web plate 6c and the wavy upper contact head web plate 9c of coupling mutually.
Embodiment 6: referring to Fig. 1, and Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, shown in Figure 20, the same meaning of identical representative among number in the figure and the embodiment 1 no longer repeats with part identical among the embodiment 1, different is: the upper and lower contact web plate of switch is the upper and lower contact web plate of concave-convex curved surface switch that matches each other, i.e. contact web plate 9d under two arc surface formula upper contact head web plate 6d that match each other and the arc surface formula.
Embodiment 7: a kind of pot line any electrolyzer that do not have a power failure stops the method for groove or fluting, with big electric current step by step each switch in parallel in the transfer switch group to stopping in advance or opening in advance on the anode column and corresponding short-circuit block thereof of electrolyzer 1, or each switch is connected to stops in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with short circuit mouth 2 electrolyzers turnover bus two ends, make big electric current step by step the servomotor in the power travel mechanism of each switch in the transfer switch group start synchronously, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, the electric current of the former electrolyzer of flowing through is progressively switched to big electric current step by step on the loop of transfer switch group, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current that stops the groove electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column in the electrolyzer of to slot then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlock to open big electric current transfer switch group step by step synchronously, current transition to opening in advance in the electrobath circuit, is realized the fluting of electrolyzer.
Embodiment 8: a kind of pot line any electrolyzer that do not have a power failure stops the method for groove or fluting, with many big electric currents step by step the switches set formed of transfer switch be parallel on the short-circuit block of each anode column in the electrolyzer 1 that stops in advance or open in advance and anode column correspondence thereof, or be connected to and stop in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with the current output terminal that advances of electrolyzer, make many big electric currents step by step the motor synchronous in the transfer switch power travel mechanism start, the corresponding big electric current more than or two or two of each anode column is transfer switch step by step, the perhaps corresponding big electric current of two or more anode columns transfer switch step by step, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, electric current on the former electrolyzer of flowing through is progressively switched on the loop of switches set, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current of former electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert respectively on each anode column of electrolyzer and the corresponding short-circuit block thereof, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlocking dress to open big electric current transfer switch group step by step synchronously, current transition in electrobath circuit, is realized the electrolyzer fluting.
Claims (7)
1. aluminum electrolyzing cell used big electric current transfer switch step by step, comprise back up pad, sealing cover plate, on the switch, following contact web plate, Insulating frame, mobile crimping plate insulate, power travel mechanism, insulator foot, described power travel mechanism is by on the motor synchronous rotating trip switch, between the following contact web plate closed with separate, it is characterized in that: between left back up pad and middle back up pad, fixedly have respectively two tape insulation layers on horizontal back shaft down among horizontal back shaft and two, at least be provided with on the pair of switches, following contact web plate, the upper contact head web plate is fixed on the Insulating frame, Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod that is fixed on one group of insulcrete both sides, following contact web plate is fixed on the mobile crimping plate of insulation, and go up in the horizontal back shaft during the upper end slip cap of the mobile crimping plate that insulate is contained in, during the lower end slip cap of mobile crimping plate of insulating is contained in down in the horizontal back shaft, between upper contact head web plate and the mobile crimping plate of insulation, on between following contact web plate and the mobile crimping plate of adjacent insulation, be set with spring in the horizontal back shaft down, power travel mechanism is fixedly mounted on the middle part sidewall of right back up pad, the to-and-fro movement telescopic head of power travel mechanism is fixedlyed connected with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, right side wall upper end in middle back up pad is provided with a closed limit switch, be provided with one in the left side wall lower end of middle back up pad and separate limit switch, near on the switch of power travel mechanism, internal resistance after the following contact web plate closure is R
Interior n, and R
Interior 1R
Interior 2R
Interior 3... R
Interior n,Distance between the close upper and lower contact web plate of two adjacent groups switch of power travel mechanism is Ln, and L1＜L2＜L3＜...＜Ln, wherein n is natural number.
2. big electric current according to claim 1 transfer switch step by step is characterized in that: one-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, the profile of the mobile crimping plate of described insulation is similar to " worker " font structure.
3. big electric current according to claim 1 transfer switch step by step, it is characterized in that: the upper and lower contact web plate of switch is the upper and lower contact web plate of XY switch that matches each other, the upper and lower contact web plate of the broken-line type switch that two interactions are complementary, in the upper and lower contact web plate of the concave-convex curved surface switch that matches each other any one, and natural number n satisfies 1≤n≤12.
4. big electric current according to claim 3 transfer switch step by step, it is characterized in that: the upper and lower contact web plate of described XY switch is the triangle projective planum contact web plate that matches each other, or the polygon plane contact web plate for matching each other; The upper and lower contact web plate of the broken-line type switch that two interactions are complementary is the broken-line type contact web plate that two crossing two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged contact web plate; Two concave-convex curved surface contact web plates that match each other are two arc surface formula contact web plates that match each other, and perhaps are two wavy contact web plates of coupling mutually.
5. big electric current according to claim 1 transfer switch step by step is characterized in that: described power travel mechanism is the electric transfer bar mechanism that servomotor and reciprocating push rod constitute; It perhaps is the pinion and rack that servomotor and gear, tooth bar constitute; Perhaps for to constitute electric worm-and-wheel gear by servomotor and worm gear, worm screw; It perhaps is the air pressure mechanism that is formed by air pump, gas-holder, conduit and piston; It perhaps is the hydraulic gear of being formed by oil pump, fuel reserve tank, conduit and piston.
6. a pot line any electrolyzer that do not have a power failure stops the method for groove or fluting, it is characterized in that: with big electric current step by step each switch in parallel in the transfer switch group to stopping in advance or opening in advance on the anode column and corresponding short-circuit block thereof of electrolyzer, or each switch is connected to stops in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with short circuit mouth electrolyzer turnover bus two ends, make big electric current step by step the servomotor in the power travel mechanism of each switch in the transfer switch group start synchronously, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, the electric current of the former electrolyzer of flowing through is progressively switched to big electric current step by step on the loop of transfer switch group, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current that stops the groove electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column in the electrolyzer of to slot then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlock to open big electric current transfer switch group step by step synchronously, current transition to opening in advance in the electrobath circuit, is realized the fluting of electrolyzer.
7. a pot line any electrolyzer that do not have a power failure stops the method for groove or fluting, it is characterized in that: with many big electric currents step by step the switches set formed of transfer switch be parallel on the short-circuit block of each anode column in the electrolyzer that stops in advance or open in advance and anode column correspondence thereof, or be connected to and stop in advance or open in advance on the positive bar and negative busbar of electrolyzer, form the shunt circuit with the current output terminal that advances of electrolyzer, make many big electric currents step by step the motor synchronous in the transfer switch power travel mechanism start, the corresponding big electric current more than or two or two of each anode column is transfer switch step by step, the perhaps corresponding big electric current of two or more anode columns transfer switch step by step, when stopping groove, the big electric current that is in open mode step by step the transfer switch group insert in the electrobath circuit loop, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close is the transfer switch group step by step, electric current on the former electrolyzer of flowing through is progressively switched on the loop of switches set, extract insulcrete then out, the short-circuit block of closed anode column, use multiple electric motors rotating interlock, interlock is opened big electric current transfer switch group step by step synchronously, current switching in the short circuit current of former electrolyzer, is realized the groove that stops of electrolyzer; When opening electrolyzer, the big electric current that is in open mode step by step the transfer switch group insert respectively on each anode column of electrolyzer and the corresponding short-circuit block thereof, use multiple electric motors rotating interlock, the big electric current of interlock synchronizing close transfer switch group step by step, open the short-circuit block on the anode column then, insert insulcrete and fixing, use multiple electric motors rotating interlock, interlocking dress to open big electric current transfer switch group step by step synchronously, current transition in electrobath circuit, is realized the electrolyzer fluting.
Priority Applications (1)
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| CN201310152107.3A CN103205779B (en) | 2013-04-27 | 2013-04-27 | A kind of aluminum electrolyzing cell used big current transfer switch and electric current transfer method step by step step by step |
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| CN201310152107.3A CN103205779B (en) | 2013-04-27 | 2013-04-27 | A kind of aluminum electrolyzing cell used big current transfer switch and electric current transfer method step by step step by step |
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| CN103205779B CN103205779B (en) | 2015-07-29 |
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Address after: 450000 Henan Province, Zhengzhou high tech District, long road, No. Y03, building 1, unit 1, building 11 Patentee after: Zhengzhou light metallurgy Polytron Technologies Inc Address before: 450002, Fortune Plaza 32, three road, Jinshui District, Henan, Zhengzhou, 1304 Patentee before: Zhengzhou Qingye Technology Co., Ltd. |