CN1129314A - Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing - Google Patents
Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing Download PDFInfo
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Abstract
The combined graphitizing furnace is mainly characterized by that a silicon carbide furnace is placed on or by an Acheson graphitizing furnace, and the power of the silicon carbide furnace is 1/8-2/3 of that of the Acheson graphitizing furnace. The initial resistance value of the furnace core of the silicon carbide furnace is 1/4-10 times that of furnace core of the Acheson graphitizing furnace, and when starting electrochemical reaction, both electrochemical furnaces are powered by same voltage from same power-supply unit, and after a powered cycle the power supply of the silicon carbide furnace is switched off so as to raise the utilization ratio of the power-supply unit for graphitization, and can save a power-supply unit for silicon carbide furnace.
Description
The invention belongs to the combination graphitizing furnace and improve the particularly method of acheson furnace power supply unit utilization rate of graphitization power supply unit.
The graphitization production of graphite electrode roasting blank now is to be to carry out in the E.G.Acheson graphitizing furnace at inner series graphitizing furnace or acheson furnace, and former structure complexity, technological requirement height, product specification are single; The energising cycle of latter's roasting blank was generally 45 to 65 hours, what have reaches 70 hours, the electricity consumption characteristics of acheson furnace are: electrical power is ascending in the energising cycle, just can reach maximum and tend to steady through half period approximately, graphitizing furnace with 4000KW is an example, the beginning electrical power is about 1000KW, just can reach 4000KW through 30 to 35 hours, sees Fig. 1; The acheson furnace power consumption is very big, generally more than 2000KW; Voltage is lower than 150V and is changed to low by height, is generally 100V to 30V; Have the time about 50% not reach at full capacity with the supporting power supply unit of acheson furnace, can not give full play to the effect of power supply unit, it is very big to cooperate electricity consumption to address the above problem difficulty with miscellaneous equipment and this graphitizing furnace.Though silicon carbide furnace and acheson furnace are close in the powerful consumer, can existing graphitization be provided in a side of two different places with carborundum electrochemical production stove, adopt different power supply units, different voltage, two kinds of different electrochemical furnaces to carry out, the voltage of acheson furnace is 30 to 100V, the voltage of silicon carbide furnace is 150 to 300V, contact is not carried out respectively between the two, this method has continued more than 100 year, and equipment is more, and investment is big.
The purpose of this invention is to provide a kind of combination graphitizing furnace and method thereof that improves acheson furnace power supply unit utilization rate.
The object of the present invention is achieved like this: the energising cycle of utilizing silicon carbide furnace to produce carborundum is 1/4 to 2/3 of acheson furnace, peak power can be 1/8 to 2/3 of acheson furnace, acheson furnace and silicon carbide furnace are located at a place, a silicon carbide furnace is set on acheson furnace or by it, the power of silicon carbide furnace is 1/8 to 2/3 of acheson furnace, the initial resistivity value of silicon carbide furnace combustion chamber is 1/4 to 10 times of acheson furnace, so that be complementary with the power and the voltage of this graphitizing furnace, two kinds of electrochemical furnaces connect same power supply unit jointly with identical power voltage supply, connect power supply when the power of beginning acheson furnace is low simultaneously, increase the initial load of power supply unit, improve the utilization rate of power supply unit.Carborundum electrochemical production all after dates of switching on cut off the power supply of silicon carbide furnace, and the electrical power of acheson furnace just progressively reaches maximum and tends towards stability, and sees Fig. 2, and the graphitization energising cycle is turned off the power supply of acheson furnace after finishing.
Combination graphitizing furnace one of the present invention, be to utilize the close insulation material of temperature of the temperature of electrochemical production graphite electrode stock and electrochemical production carborundum combustion chamber also to put forward the reaction material of silicon carbide furnace for 2500--3000C and acheson furnace, on the acheson furnace body of heater, silicon carbide furnace is set, the insulation material top of this graphitizing furnace is as the silicon carbide furnace furnace bottom, carry out graphitization reaction and carborundum production electro-chemical reaction at same body of heater, it has an acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this graphitizing furnace has two ends, the both sides of body of heater are movable furnace wall, all fix one group of graphitizing furnace conductive electrode at the middle part of two burners, it is characterized in that: the graphitizing furnace conductive electrode top position at two burners is provided with one group of silicon carbide furnace conductive electrode, two burners and movable furnace wall and silicon carbide furnace conductive electrode are formed silicon carbide furnace, the peak power of silicon carbide furnace is 1/8 to 2/3 of an acheson furnace peak power, is 1/4 to 1/2 better.
Combination graphitizing furnace two of the present invention, it has an acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are movable furnace wall, all fix one group of graphitizing furnace conductive electrode at the middle part of two burners, it is characterized in that: at the other silicon carbide furnace that is provided with of acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are movable furnace wall, all fix one group of silicon carbide furnace conductive electrode at the middle part of two burners, the peak power of silicon carbide furnace is 1/8 to 2/3 of an acheson furnace peak power, is 1/4 to 1/2 better.
Method of the present invention is such: electro-chemical equipment uses combination graphitizing furnace one, according to the acheson furnace graphitization technique successively with quartz sand, quartz sand and coke blacking compound, coke resistance material place Min layers at the bottom of the refractory brick of combination graphitizing furnace one, dress up the acheson furnace combustion chamber with graphite powder, roasting blank, coke resistance material; Then quartz sand and powdered carbon compound are contained in the body of heater, it is characterized in that: with quartz sand and the powdered carbon compound is filled to and below the silicon carbide furnace conductive electrode position, dress up combustion chamber main body two ends dress graphite powder with size less than the charcoal of 100mm or graphite or charcoal and graphite compound and dress up the silicon carbide furnace combustion chamber, the two ends of this combustion chamber are corresponding with the position of silicon carbide furnace conductive electrode, and the high silicon carbide furnace conductive electrode in silicon carbide furnace combustion chamber center 0 is to 100MM; Measure the acheson furnace furnace core resistance, measure the resistance of silicon carbide furnace combustion chamber and adjust the composition of silicon carbide furnace combustion chamber, the initial resistivity value that makes the silicon carbide furnace combustion chamber is 1/4 to 10 times of initial resistivity value of acheson furnace combustion chamber, 1/2 to 4 times better, then quartz sand and powdered carbon compound are packed in the body of heater and the silicon carbide furnace combustion chamber is buried, graphitizing furnace conductive electrode and silicon carbide furnace conductive electrode are connected the same output of same power supply unit in 1/10 time in graphitization energising cycle, the carborundum electro-chemical reaction finishes the back and cuts off the silicon carbide furnace power supply.
Realize method of the present invention also can use the combination graphitizing furnace two, it is successively with quartz sand according to the acheson furnace graphitization technique, quartz sand and coke blacking compound, coke resistance material place Min layers is at the bottom of the refractory brick of the acheson furnace of combination graphitizing furnace two, graphite powder, the roasting blank, the coke resistance material is dressed up the acheson furnace combustion chamber, then quartz sand and powdered carbon compound are packed into acheson furnace and the graphitizing furnace combustion chamber buried, it is characterized in that: according to carborundum electrification technology successively with quartz sand, on at the bottom of the refractory brick of the mix layered silicon carbide furnace of packing into of quartz sand and coke blacking, dress up combustion chamber main body two ends dress graphite powder with size less than the charcoal of 100mm or graphite or charcoal and graphite compound and dress up the silicon carbide furnace combustion chamber, measure the resistance value of acheson furnace combustion chamber and silicon carbide furnace combustion chamber respectively, adjust the composition of silicon carbide furnace combustion chamber, the initial resistivity value that makes the silicon carbide furnace combustion chamber is 1/4 to 10 times of initial resistivity value of acheson furnace combustion chamber, be 1/2 to 4 times better, then quartz sand and powdered carbon compound are packed in the silicon carbide furnace and the silicon carbide furnace combustion chamber is buried, graphitizing furnace conductive electrode and silicon carbide furnace conductive electrode are connected the same output of same power supply unit in 1/10 time in graphitization energising cycle, the carborundum electro-chemical reaction finishes back cut-out silicon carbide furnace power supply.
Above-mentioned charcoal can be coke, petroleum coke, coal, is mainly carbon granule for adjusting the silicon carbide furnace furnace core resistance, can add powdered carbon and also can add charcoal blank or graphite blank.
Above-mentioned silicon carbide furnace combustion chamber blank can also can generate the graphitization blank in the carborundum electrochemical production like this with the roasting blank of using for graphitization.
Because the method for the utilization rate of combination graphitizing furnace that the present invention takes and raising graphitization power supply unit thereof is that silicon carbide furnace and acheson furnace are arranged on a place, makes original input voltage difference, can power with the same electric power supply unit of same voltage with the silicon carbide furnace and the acheson furnace of different power supply units power supplies; The energising cycle of utilizing silicon carbide furnace is less than the time of graphitization reaction energising cycle near the rising of acheson furnace power, connect power supply at acheson furnace in 1/10 time in energising cycle, two kinds of stoves are connected power supply electrochemical production simultaneously, the general power of two stoves is less than or equal to the peak power of acheson furnace in this process, after the silicon carbide furnace electro-chemical reaction finishes to cut off the power supply of silicon carbide furnace, just the step is raised to maximum to the electrical power of acheson furnace then, power to silicon carbide furnace simultaneously not increasing acheson furnace power supply unit rated output power, with a power supply unit respectively be set compare, can reduce the power supply unit that a capacity and silicon carbide furnace power are complementary, small investment has improved the utilization rate of power supply unit; The silicon carbide furnace combustion chamber also can increase the product variety of silicon carbide furnace with roasting blank graphitization in the carborundum electrochemical production as adding the roasting blank.Combination graphitizing furnace of the present invention is arranged on a place to silicon carbide furnace and acheson furnace, and two kinds of shared same power supply units of stove improve the utilization rate of acheson furnace power supply unit, reduces the power supply unit of a silicon carbide furnace; Be arranged on a body of heater as two kinds of stoves, only the burner of acheson furnace is increased and silicon carbide furnace conductive electrode and combustion chamber be set, the resistance material of this graphitizing furnace top can be used as the furnace bottom of silicon carbide furnace, the combining structure of two kinds of stoves is single between more, investment still less, the utilization rate of electric energy is higher.
The detailed method of the detailed structure of combination graphitizing furnace of the present invention and raising graphitization power supply unit utilization rate thereof is provided by embodiment and accompanying drawing thereof.
Fig. 1 is the electric power and the time chart of existing acheson furnace.
Fig. 2 is the electric power and the time chart of combination graphitizing furnace of the present invention.
Fig. 3 is the longitudinal sectional view of the embodiment of combination graphitizing furnace one.
Fig. 4 is the cutaway view along A--A line among Fig. 3.
Fig. 5 is to view along the B among Fig. 3.
Fig. 6 is the transverse sectional view of the embodiment of combination graphitizing furnace two.
Fig. 7 is the cutaway view along the B-B line among Fig. 6.
Fig. 8 is the cutaway view along the C-C line among Fig. 6.
Longitudinal sectional view when Fig. 9 is combination graphitizing furnace one embodiment electrochemical production.
Figure 10 is the cutaway view along D--D line among Fig. 9.
Figure 11 is rectangle frame and acheson furnace conductive electrode location diagram.
Figure 12 is the longitudinal sectional view that contains the silicon carbide furnace combustion chamber of roasting blank.
Figure 13 be the combination graphitizing furnace two the embodiment electrochemical production time transverse sectional view.
Figure 14 is the cutaway view along E--E line among Figure 13.
Figure 15 is the cutaway view along F--F line among Figure 13.Among the above-mentioned figure:
1, silicon carbide furnace conductive electrode 2, graphite powder
3, burner 4, movable furnace wall 5, graphite powder
6, graphitizing furnace conductive electrode 7, graphite block
8, at the bottom of the refractory brick 9, graphite block 10, column
11, pressing plate 12, conductive plate 13, conductive plate
14, column 15, movable furnace wall 16, burner
17, graphite block 18, graphitizing furnace conductive electrode
19, column 20, movable furnace wall 21, burner
22, graphite block 23, silicon carbide furnace conductive electrode
24, at the bottom of the refractory brick 25, at the bottom of silicon carbide furnace 26, the refractory brick
27, acheson furnace 28, graphite powder
29, conductive plate 30, graphite powder 31, conductive plate
32, silicon carbide furnace combustion chamber 33, quartz sand and powdered carbon compound
34, roasting blank 35, coke resistance material 36, combustion chamber main body
37, graphite powder 38, graphite powder 39, quartz sand and coke blacking compound
40, quartz sand 41, rectangle frame 42, shove charge plate
43, graphite powder 44, roasting blank 45, carbon granule and granular graphite compound
46, quartz sand and powdered carbon compound 47, coke resistance material
48, roasting blank 49, quartz sand and coke blacking compound
50, quartz sand 51, quartz sand and powdered carbon compound
52, silicon carbide furnace combustion chamber 53, quartz sand 54, quartz sand and coke blacking compound
55, graphite powder 56, graphite powder 57, combustion chamber main body
Among each embodiment:
Ra is that graphitizing furnace combustion chamber initial resistivity value Rb is a silicon carbide furnace combustion chamber initial resistivity value
Wa acheson furnace peak power Wb silicon carbide furnace peak power
Ta is that acheson furnace energising period T b is the silicon carbide furnace energising cycle
Power supply unit is made up of transformer, fairing, cooling device, and its rated capacity is Q.
Graphitizing furnace conductive electrode and silicon carbide furnace conductive electrode are graphite rod.
The granularity of carbon granule, granular graphite is 10 to 100mm, and powdered carbon, graphite powder granularity are less than 10mm.
The embodiment of combination graphitizing furnace one of the present invention sees Fig. 3, Fig. 4, Fig. 5, it has an acheson furnace, it is that burner 3 bottoms are 8 body of heater at the bottom of the refractory brick that this graphitizing furnace has two ends, the both sides of body of heater are the movable furnace wall 4 of refractory concrete, all fix one group of graphitizing furnace conductive electrode 6 at the middle part of two burners 3, the burner outer end of graphitizing furnace conductive electrode 6 is connected with conductive plate 13, graphitizing furnace conductive electrode 6 top positions at two burners all are provided with one group of silicon carbide furnace conductive electrode 1, silicon carbide furnace conductive electrode 1 and two burners 3 and movable furnace wall 4 are formed silicon carbide furnace, the peak power of silicon carbide furnace is 1/8 to 2/3 of an acheson furnace peak power, 1/4 to 1/2 is better, and the burner outer end of silicon carbide furnace conductive electrode 1 connects conductive plate 12.The embodiment of combination graphitizing furnace one has embodiment one, two, three, four.
Embodiment one: Wa=6000KW, Wb=4000KW
Embodiment two: Wa=6000KW, Wb=3000KW
Embodiment three: Wa=4000KW, Wb=1000KW
Embodiment four: Wa=4000KW, Wb=500KW
Combination graphitizing furnace two embodiment of the present invention see Fig. 6, Fig. 7, Fig. 8, it has an acheson furnace 27, it is that burner 16 bottoms are 26 body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are the movable furnace wall 15 of refractory concrete, all fix one group of graphitizing furnace conductive electrode 18 at the middle part of two burners 16, the burner outer end of graphitizing furnace conductive electrode 18 is connected with conductive plate 29, at the acheson furnace 27 other silicon carbide furnaces 25 that are provided with, it is that burner 21 bottoms are 24 body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are movable furnace wall 20, all fix one group of silicon carbide furnace conductive electrode 23 at the middle part of two burners 21, the burner outer end of silicon carbide furnace conductive electrode 23 is connected with conductive plate 31, the peak power of silicon carbide furnace is the 1/8 to 2/3,1/4 to 1/2 better of acheson furnace peak power.The embodiment of combination graphitizing furnace two has embodiment five, six, seven, eight.
Embodiment five: Wa=6000KW, Wb=1500KW
Embodiment six: Wa=6000KW, Wb=750KW
Embodiment seven: Wa=4000KW, Wb=2600KW
Embodiment eight: Wa=4000KW, Wb=2000KW
The method electro-chemical equipment of the raising graphitization power supply unit utilization rate of the present invention embodiment of combination graphitizing furnace one, see Fig. 9, Figure 10, embodiment nine is arranged, ten, 11,12,13, according to the acheson furnace graphitization technique successively with quartz sand 40, quartz sand and coke blacking compound 39, coke resistance material 35 place Min layers the combination graphitizing furnace one refractory brick at the bottom of 8, shove charge plate 42 stood in be combined into rectangle frame 41 in the body of heater, and the both sides of rectangular frame 41 extend to burner 3, see Figure 11, filled stone ink powder 37 between rectangle frame 41 and burner 3, again roasting blank 34 laterally vertically is spaced from each other side by side and is arranged in the rectangle frame 41, be filled in coke resistance material 35 in the rectangle frame 41 and between the roasting blank 34 and at roasting blank 34 topped one deck coke resistance materials 35; Graphite powder 37, roasting blank 34, coke resistance material 35 are formed the acheson furnace combustion chamber; Quartz sand and powdered carbon compound 33 are filled in the body of heater of rectangle frame 41 both sides, take out shove charge plate 42 then, quartz sand and powdered carbon compound 33 be contained in the body of heater and with quartz sand and powdered carbon compound 33 be filled near silicon carbide furnace conductive electrode 1 position, dress up combustion chamber main body 36 with size less than the charcoal of 100mm or graphite or charcoal and graphite compound, can add charcoal blank or graphite blank in the combustion chamber main body, two ends dress graphite powder 38 is dressed up silicon carbide furnace combustion chamber 32, the two ends of this combustion chamber are corresponding with the position of carborundum conductive electrode 1, and the high silicon carbide furnace conductive electrode in silicon carbide furnace combustion chamber center 0 is to 100MM; Measure the acheson furnace furnace core resistance, measure the resistance of silicon carbide furnace combustion chamber 32 and adjust the composition of silicon carbide furnace combustion chamber 32, the initial resistivity value that makes silicon carbide furnace combustion chamber 32 is 1/4 to 10 times of acheson furnace stove combustion chamber initial resistivity value, and 1/2 to 4 times better; Then quartz sand and powdered carbon compound 33 are packed in the body of heater and silicon carbide furnace combustion chamber 32 is buried, in 1/10 time in energising cycle of acheson furnace, graphitizing furnace conductive electrode 6 is connected with the same output of same power supply unit with silicon carbide furnace conductive electrode 1, and the carborundum electro-chemical reaction finishes the back and cuts off the silicon carbide furnace power supply.
Embodiment nine: electro-chemical equipment is formed with combination graphitizing furnace embodiment one, granular graphite and graphite powder between the graphite blank that combustion chamber main body 36 is adorned by segmentation reaches.
The Ra=12 milliohm, Rb=3 milliohm, Wa=6000KW, Wb=4000KW
Ta＝60h Tb＝15h Q＝6300KVA
Roasting blank 34 be four laterally and become a row vertically to become 20 row to be arranged in the rectangle frame 41.The silicon carbide furnace combustion chamber 32 of present embodiment is made according to carborundum electrification technology, the shove charge plate stood in be combined into the rectangle frame in the body of heater, and the both sides of rectangle frame extend to burner 3, filled stone ink powder 38 between rectangle frame and burner, combustion chamber main body 36 is contained in the rectangle frame, constitute the silicon carbide furnace combustion chamber, quartz sand and powdered carbon compound are contained in the body of heater of rectangle frame both sides, take out the shove charge plate afterwards.
Embodiment ten: electro-chemical equipment is with making up graphitizing furnace embodiment two; its silicon carbide furnace combustion chamber is made up of with granular graphite compound 45 and roasting blank 44 graphite powder 43, carbon granule; see Figure 12, the method embodiment's nine of all the other methods and the power supply unit utilization rate that improves graphitizing furnace is identical.
The Ra=14 milliohm, Rb=7 milliohm, Wa=6000KW, Wb=3000KW
Ta＝65h，Tb＝22h，Q＝6300KVA。
Embodiment 11: electro-chemical equipment is with making up graphitizing furnace embodiment three, and combustion chamber main body 36 is made up of carbon granule and granular graphite compound and roasting blank.
Wa=4000KW, Wb=1000KW, Ra=18 milliohm, Rb=18 milliohm
Ta＝72h，Tb＝18h，Q＝4000KVA。
Embodiment 12: electro-chemical equipment is with combination graphitizing furnace embodiment four, and combustion chamber main body 36 is made up of carbon granule.
Wa=4000KW, Wb=500KW, Ra=16 milliohm, Rb=160 milliohm
Ta＝60h，Tb＝20h，Q＝4000KVA。
Embodiment 13: electro-chemical equipment is combination graphitizing furnace embodiment four, and combustion chamber main body 36 is made up of carbon granule and granular graphite compound, Ta=64h, Tb=30h, Q=4000KVA.Wa=4000KW, Wb=500KW, Ra=15 milliohm, Rb=120 milliohm.
The method electro-chemical equipment that improves graphitization power supply unit utilization rate uses the embodiment of combination graphitizing furnace two, see Figure 13, Figure 14, Figure 15, embodiment 14 is arranged, 15,16,17,18, they are successively with quartz sand 50 according to the acheson furnace graphitization technique, quartz sand and coke blacking compound 49, coke resistance material 47 place Min layers are at the bottom of the refractory brick of acheson furnace 27 26, with coke resistance material 47, graphite powder 55, roasting blank 48 is dressed up the acheson furnace combustion chamber, the acheson furnace 27 and this graphitizing furnace combustion chamber is buried of then quartz sand and powdered carbon compound 46 being packed into; According to carborundum electrification technology successively with quartz sand 53, quartz sand and coke blacking compound 54 pack at the bottom of the refractory brick of silicon carbide furnace 25 24 into, dress up combustion chamber main body 57 with size less than the charcoal of 100mm or graphite or charcoal and graphite compound, can add charcoal blank or graphite blank in the combustion chamber main body, two ends dress graphite powder 56 is dressed up silicon carbide furnace combustion chamber 52, measure the resistance value of graphitizing furnace combustion chamber and silicon carbide furnace combustion chamber 52 respectively, adjust the composition of silicon carbide furnace combustion chamber 52, the initial resistivity value that makes silicon carbide furnace combustion chamber 52 is 1/4 to 10 times of initial resistivity value of acheson furnace combustion chamber, 1/2 to 4 times better, then quartz sand and powdered carbon compound 51 are packed in the silicon carbide furnace 25 and silicon carbide furnace combustion chamber 52 is buried, graphitizing furnace conductive electrode 18 and silicon carbide furnace conductive electrode 23 are connected with same power supply unit in 1/10 time in energising cycle in graphitization, the carborundum electro-chemical reaction finishes the back and cuts off silicon carbide furnace 25 power supplys.
Embodiment 14: electro-chemical equipment is combination graphitizing furnace embodiment five, and combustion chamber main body 57 is made up of roasting blank and carbon granule and graphite powder compound.
Wa=6000KW, Wb=1500KW, Ra=10 milliohm, Rb=40 milliohm
Ta＝60h，Tb＝20h，Q＝6300KVA。
Silicon carbide furnace combustion chamber 52 is combustion chamber main body 57 that roasting blank and carbon granule are formed and two auspicious graphite powder 56 usefulness cardboards and blocks and make.
Embodiment 15: electro-chemical equipment is combination graphitizing furnace embodiment six, and combustion chamber main body 57 is made up of granular graphite.
Wa=6000KW, Wb=750KW, Ra=8 milliohm, Rb=80 milliohm
Ta＝64h，Tb＝40h，Q＝6300KVA。
Embodiment 16: its electro-chemical equipment is with making up graphitizing furnace embodiment seven, and combustion chamber main body 57 is made up of graphite blank and granular graphite, and remaining method is identical with embodiment 14.The Ra=20 milliohm, Ra=5 milliohm, Wa=4000KW, Wb=2600KWTa=68h, Tb=17h, Q=4000KVA.
Embodiment 17: electro-chemical equipment is combination graphitizing furnace embodiment eight, and combustion chamber main body 57 is made up of roasting blank and carbon granule.Ta=56h, Tb=25h, Q=40000KVA, Wa=4000KW, Wb=2000KW, Ra=15 milliohm, Rb=60 milliohm.
The charcoal of the various embodiments described above is a coke, also available coal.Graphitizing furnace conductive electrode 6,18, silicon carbide furnace conductive electrode 1,23 are connected with power supply unit by conductive plate 13,29,12,31 respectively.
Embodiment 18: electro-chemical equipment is combination graphitizing furnace embodiment five, and combustion chamber main body 57 is made up of the petroleum coke grain, and the powdered carbon of quartz sand and powdered carbon compound 51 is a petroleum coke powder.
Wa=6000KW, Wb=1500KW, Ra=16 milliohm, Rb=120 milliohm, Ta=66h, Tb=24h, Q=6300KVA.
Claims (10)
1, combination graphitizing furnace, it has an acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this graphitizing furnace has two ends, the both sides of body of heater are movable furnace wall, all fix one group of graphitizing furnace conductive electrode at the middle part of two burners, it is characterized in that: the graphitizing furnace conductive electrode top position at two burners all is provided with one group of silicon carbide furnace conductive electrode, two burners and movable furnace wall and silicon carbide furnace conductive electrode are formed silicon carbide furnace, and the peak power of silicon carbide furnace is 1/8 to 2/3 of an acheson furnace peak power.
2, combination graphitizing furnace according to claim 1 is characterized in that; The peak power of said silicon carbide furnace is 1/4 to 1/2 of an acheson furnace peak power.
3, a combination graphitizing furnace, it has an acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are movable furnace wall, all fix one group of graphitizing furnace conductive electrode at the middle part of two burners, it is characterized in that: at the other silicon carbide furnace that is provided with of acheson furnace, it is that burner bottom is the body of heater at the bottom of the refractory brick that this stove has two ends, the both sides of body of heater are movable furnace wall, all fix one group of silicon carbide furnace conductive electrode at the middle part of two burners, the peak power of silicon carbide furnace is 1/8 to 2/3 of an acheson furnace peak power.
4, combination graphitizing furnace according to claim 3 is characterized in that: the peak power of said silicon carbide furnace is 1/4 to 1/2 of an acheson furnace peak power.
5, method that improves graphitization power supply unit utilization rate, according to the acheson furnace graphitization technique successively with quartz sand, quartz sand and coke blacking compound, coke resistance material place Min layers at the bottom of the refractory brick of claim 1,2 described combination graphitizing furnaces, dress up the acheson furnace combustion chamber with graphite powder, roasting blank, coke resistance material; Then quartz sand and powdered carbon compound are contained in the body of heater; It is characterized in that: with quartz sand and the powdered carbon compound is filled to and below the silicon carbide furnace conductive electrode position, dress up the combustion chamber main body with size less than the charcoal of 100mm or graphite or charcoal and graphite compound, two ends dress graphite powder is dressed up the silicon carbide furnace combustion chamber, the two ends of this combustion chamber are corresponding with the position of silicon carbide furnace conductive electrode, and the high silicon carbide furnace conductive electrode in silicon carbide furnace combustion chamber center 0 is to 100MM; Measure the acheson furnace furnace core resistance, measure the resistance of silicon carbide furnace combustion chamber and adjust the composition of silicon carbide furnace combustion chamber, the initial resistivity value that makes the silicon carbide furnace combustion chamber is 1/4 to 10 times of acheson furnace combustion chamber initial resistivity value, then quartz sand and powdered carbon compound are packed in the body of heater and the silicon carbide furnace combustion chamber is buried, graphitizing furnace conductive electrode and silicon carbide furnace conductive electrode are connected the same output of same power supply unit in 1/10 time in graphitization energising cycle, the carborundum electro-chemical reaction finishes the back and cuts off the silicon carbide furnace power supply.
6, the method for raising graphitization power supply unit utilization rate according to claim 5, it is characterized in that: the peak power of said silicon carbide furnace is 1/4 to 1/2 of a Ai Xun graphitizing furnace peak power, and the initial resistivity value of silicon carbide furnace combustion chamber is 1/2 to 4 times of acheson furnace combustion chamber initial resistivity value.
7, the method for raising graphitization power supply unit utilization rate according to claim 6 is characterized in that: be added with in the said silicon carbide furnace combustion chamber for graphited roasting blank.
8, a kind of method that improves graphitization power supply unit utilization rate, it is successively with quartz sand according to the acheson furnace graphitization technique, quartz sand and coke blacking compound, coke resistance material place Min layers claim 3, at the bottom of the refractory brick of the acheson furnace of 4 described combination graphitizing furnaces, graphite powder, the roasting blank, the coke resistance material is dressed up the acheson furnace combustion chamber, then quartz sand and powdered carbon compound are packed into acheson furnace and the acheson furnace combustion chamber buried, it is characterized in that: according to carborundum electrification technology successively with quartz sand, the mix layered claim 3 of packing into of quartz sand and coke blacking, on at the bottom of the refractory brick of the silicon carbide furnace of 4 described combination graphitizing furnaces, dress up the combustion chamber main body with size less than the charcoal of 100mm or graphite or charcoal and graphite compound, two ends dress graphite powder is dressed up the silicon carbide furnace combustion chamber, measure the resistance value of acheson furnace combustion chamber and silicon carbide furnace combustion chamber respectively, adjust the composition of silicon carbide furnace combustion chamber, the initial resistivity value that makes the silicon carbide furnace combustion chamber is 1/4 to 10 times of acheson furnace combustion chamber initial resistivity value, then quartz sand and powdered carbon compound are packed in the silicon carbide furnace and the silicon carbide furnace combustion chamber is buried, graphitizing furnace conductive electrode and silicon carbide furnace conductive electrode are connected the same output of same power supply unit in 1/10 time in graphitization energising cycle, the carborundum electro-chemical reaction finishes back cut-out silicon carbide furnace power supply.
9, the method for raising graphitization power supply unit utilization rate according to claim 8, it is characterized in that: the peak power of said silicon carbide furnace is 1/4 to 1/2 of an acheson furnace peak power, and the initial resistivity value of silicon carbide furnace combustion chamber is 1/2 to 4 times of acheson furnace combustion chamber initial resistivity value.
10, the method for raising graphitization power supply unit utilization rate according to claim 9, it is held to levy and is: the roasting blank of using for graphitization is arranged in the said silicon carbide furnace combustion chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 95116733 CN1059960C (en) | 1995-09-22 | 1995-09-22 | Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 95116733 CN1059960C (en) | 1995-09-22 | 1995-09-22 | Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing |
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| Publication Number | Publication Date |
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| CN1129314A true CN1129314A (en) | 1996-08-21 |
| CN1059960C CN1059960C (en) | 2000-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 95116733 Expired - Fee Related CN1059960C (en) | 1995-09-22 | 1995-09-22 | Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing |
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| Country | Link |
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| CN (1) | CN1059960C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383255C (en) * | 2005-10-18 | 2008-04-23 | 赵聚法 | Petrol coke graphitization prepared carburant and petrol coke graphitization furnace filling technology |
| CN105858664A (en) * | 2016-06-17 | 2016-08-17 | 大同新成新材料股份有限公司 | Method for improving quality of silicon carbide and Acheson furnace |
| CN106115682A (en) * | 2016-08-13 | 2016-11-16 | 介休市志尧碳素有限公司 | A kind of inner bunch graphitization furnace apparatus and power transmission method thereof |
| CN107188182A (en) * | 2017-07-26 | 2017-09-22 | 郑州睿科生化科技有限公司 | One kind automation sic smelting furnace |
| CN108147404A (en) * | 2017-12-25 | 2018-06-12 | 大同新成新材料股份有限公司 | A kind of super large-scale graphite product and its method for graphitizing |
| CN108545735A (en) * | 2018-06-27 | 2018-09-18 | 湖北红业建材科技开发有限公司 | A kind of turntable continous way graphite tube graphitizing furnace and graphitizing method is carried out to graphite tube |
| CN114149003A (en) * | 2021-11-19 | 2022-03-08 | 成都海成远创科技有限公司 | Production method of isostatic pressing graphite with large-size superfine structure |
| CN114485175A (en) * | 2022-02-22 | 2022-05-13 | 新疆天宏基科技有限公司 | Acheson graphitizing resistance furnace with high single furnace capacity |
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1995
- 1995-09-22 CN CN 95116733 patent/CN1059960C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383255C (en) * | 2005-10-18 | 2008-04-23 | 赵聚法 | Petrol coke graphitization prepared carburant and petrol coke graphitization furnace filling technology |
| CN105858664A (en) * | 2016-06-17 | 2016-08-17 | 大同新成新材料股份有限公司 | Method for improving quality of silicon carbide and Acheson furnace |
| CN106115682A (en) * | 2016-08-13 | 2016-11-16 | 介休市志尧碳素有限公司 | A kind of inner bunch graphitization furnace apparatus and power transmission method thereof |
| CN106115682B (en) * | 2016-08-13 | 2018-04-24 | 介休市志尧碳素有限公司 | A kind of inner bunch graphitization furnace apparatus and its power transmission method |
| CN107188182A (en) * | 2017-07-26 | 2017-09-22 | 郑州睿科生化科技有限公司 | One kind automation sic smelting furnace |
| CN108147404A (en) * | 2017-12-25 | 2018-06-12 | 大同新成新材料股份有限公司 | A kind of super large-scale graphite product and its method for graphitizing |
| CN108545735A (en) * | 2018-06-27 | 2018-09-18 | 湖北红业建材科技开发有限公司 | A kind of turntable continous way graphite tube graphitizing furnace and graphitizing method is carried out to graphite tube |
| CN114149003A (en) * | 2021-11-19 | 2022-03-08 | 成都海成远创科技有限公司 | Production method of isostatic pressing graphite with large-size superfine structure |
| CN114149003B (en) * | 2021-11-19 | 2024-04-19 | 成都海成远创科技有限公司 | Production method of large-specification ultra-fine structure isostatic graphite |
| CN114485175A (en) * | 2022-02-22 | 2022-05-13 | 新疆天宏基科技有限公司 | Acheson graphitizing resistance furnace with high single furnace capacity |
| CN114485175B (en) * | 2022-02-22 | 2024-04-09 | 新疆天宏基科技有限公司 | Acheson graphitized resistance furnace with high single furnace yield |
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| CN1059960C (en) | 2000-12-27 |
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