CN104818530B - A kind of Opacity in lens stove and its application - Google Patents
A kind of Opacity in lens stove and its application Download PDFInfo
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Abstract
A kind of Opacity in lens stove, including body of heater and electrode car；Described body of heater includes two linear furnace walls being arranged side by side；Linear furnace wall is made up of the multiple furnace walls plate being sequentially connected, and is detachably connected between the plate of two neighboring furnace wall, and stove top of panels is provided with track element, and the track element of each stove top of panels is connected to track；Space between two linear furnace walls constitutes furnace chamber；The wheel driving means that electrode car includes car body, electrode, wheel and wheel can be driven to rotate, wheel being rotated by and carrying moving electrode car to move along track in wheel driving means, the electrode on car body stretches in furnace chamber.The Opacity in lens stove of the present invention can achieve continuous production, so that artificial-synthetic crystal's material such as synthetic fluoromica is produced under conditions of stable, improves yield and the quality of artificial-synthetic crystal's material, energy consumption greatly reduces simultaneously, resource utilization is high.The synthetic furnace of the present invention can be applicable to the synthesis of artificial-synthetic crystal's material such as artificial mica synthesis, Decorative Building Stone.
Description
Technical field
The present invention relates to produce the device of crystal and in particular to a kind of Opacity in lens stove, and this Opacity in lens stove exists
The productive manpower synthesizes the application of artificial-synthetic crystal's material aspects such as fluorophologopite.
Background technology
Synthetic fluoromica（KMg3(A1Si3O10)F2, also known as synthetic mica）, it is by the mineral of industrial chemicals, high-quality
Raw material through pyroreaction, melting, cooling, crystallize, growth laminar silicate compounds.Synthetic fluoromica has
Following features：Not hydroxyl, therefore temperature tolerance are more preferable；There is good insulating properties；Directly fired by compound and form, therefore have
Very high purity and whiteness.Synthetic fluoromica powder is widely used to mica titanium nacreous material, cosmetics powder body, plastics
In the industries such as ceramic fillers, meanwhile, synthetic fluoromica, with its excellent electrical insulation properties, is widely used in electricity
Draw last breath edge, electronics industry.
The fluorophologopite of productive manpower synthesis at this stage, generally uses the circular body of heater of laying fireproof bricks, built-in electrode, inserts mixed
Close raw material（Mixed material is generally mixed by quartz sand, alumina powder, fused magnesite, potassium fluosilicate, potassium carbonate）, between adopting
Formula of having a rest electricity synthesis by internal resistance electric melting carries out pyroreaction, and cooling obtains synthetic fluoromica piece.With the circular body of heater of laying fireproof bricks, adopt
With batch (-type) electricity synthesis by internal resistance electric melting productive manpower synthesis fluorophologopite, there are following defects：
（1）Production operation is loaded down with trivial details, could not continuously produce, and labor strength is big, and high energy consumption yields poorly, raw material is easily subject to
Refractory brick chip pollutes；
（2）In process of production, in body of heater, each position has great thermograde, and melt viscosity difference is very big, right
Crystal growth is totally unfavorable, is embodied in：In-between the electrodes and near electrode, can separate out than more completely big crystalline wafer, and
In the most of region away from electrode, then separate out the broken little chip of " bar shaped " or " triangle ", thus greatly reducing product
Quality and yield；
（3）The interval temperature range of recrystallization temperature is narrow（Typically at 1375-1405 DEG C）, due to declining in this silicon carbide
Hurry up, cannot be energized again and be incubated, therefore crystallize speed is too fast, the time is too short, typically just completes crystallize mistake in 2-4 hour
Journey, so that in most of region crystallize not exclusively, a large amount of precipitation " triangle " and " bar shaped " little chips, wafer defect is many, product matter
Amount is poor.
Content of the invention
The technical problem to be solved is to provide a kind of Opacity in lens stove that can continuously produce crystal, Yi Jiying
The method synthesizing artificial-synthetic crystal's materials such as fluorophologopite with the above-mentioned Opacity in lens stove productive manpower, to improve the artificial of output
The yield of artificial-synthetic crystal's material and the quality such as synthesis fluorophologopite.Using technical scheme as follows：
A kind of Opacity in lens stove is it is characterised in that include body of heater and electrode car；Described body of heater includes two being arranged side by side
Linear furnace wall；Linear furnace wall is made up of the multiple furnace walls plate being sequentially connected, and is detachably connected, furnace wall between the plate of two neighboring furnace wall
Top of the plate portion is provided with track element, and the track element of each stove top of panels is connected to track；Space between two linear furnace walls is constituted
Furnace chamber；The wheel driving means that electrode car includes car body, electrode, wheel and wheel can be driven to rotate, electrode, wheel and wheel
On car body, wheel is coordinated sub- driving means with track, wheel being rotated by and carrying moving electrode in wheel driving means
Car moves along track, and the electrode on car body stretches in furnace chamber.
In preferred version, above-mentioned furnace wall plate includes outer layer, internal layer, front connection strap and rear connection strap, and wherein outer layer is steel plate
（Reinforcement can be arranged on steel plate lateral surface）, front connection strap and rear connection strap are respectively arranged on the front of outer layer along, back edge（Afterwards one
Front connection strap on the plate of furnace wall can be connected by bolt or snap close piece with the rear connection strap on adjacent previous furnace wall plate, thus
Realize being detachably connected between the plate of two neighboring furnace wall）, internal layer is heat-insulation layer（Heat-insulation layer can adopt high temperature fiber cotton or high temperature
Tapetum fibrosum is constituted）, internal layer is on the inner surface of outer layer.The specification of furnace wall plate is designed according to the specification of body of heater, furnace wall plate
Form linear furnace wall, usual furnace wall plate hight degree is 0.5-5 rice, length is 0.3-3.0 rice after assembling.Above-mentioned front connection strap, after
Connection strap can be constituted using I-steel.Front connection strap, rear connection strap one side are used for the connection between adjacent two furnace wall plates, another
Aspect can increase the intensity of furnace wall plate.
Above-mentioned body of heater can be arc or linear, and accordingly, linear furnace wall is curved or linear.When body of heater is arc,
Two linear furnace walls are on two concentric circulars, and preferably the radius of body of heater is 10-50 rice（The i.e. radius of the larger linear furnace wall of radius
For 10-50 rice）, the width of body of heater is 1.2-6 rice（I.e. the distance between two linear furnace wall outer ledges are 1.2-6 rice）, stove
The height of body is 0.5-5 rice（I.e. the height of linear furnace wall is 0.5-5 rice）.When body of heater is linear, two linear furnace walls are equal
OK, the length of preferably body of heater is 10-200 rice（I.e. the length of linear furnace wall is 10-200 rice）, the width of body of heater is 1.2-6
Rice（I.e. the distance between two linear furnace wall outer ledges are 1.2-6 rice）, the height 0.5-5 rice of body of heater（I.e. linear furnace wall
It is highly 0.5-5 rice）.The specification of body of heater can be carried out according to scale of investment, production scale, the transformator selected, control circuit etc.
Select design.
Generally, above-mentioned wheel may be rotatably mounted at vehicle bottom, and car body is in above track, and wheel is connect with track upper surface
Touch and can roll along track upper surface.
Above-mentioned wheel driving means can adopt motor（Generally adopt servomotor）, the power output shaft of this motor
It is in transmission connection by the wheel shaft of decelerator and wheel.
Generate heat after electrifying electrodes on above-mentioned car body, and to the material heating in furnace chamber.Electrode passes through cable connection to confession
Electric equipment, power supply unit is made up of supply line, switch board, transformator, chopper etc., and its specification can be advised according to yield, body of heater
Fltting speed of lattice and electrode etc. is selected.In the present invention, can be powered using 10KV power supply, 10KV power supply is sequentially connected open circuit
Device, transformator（Using transformator output power range can be 400～700KVA, preferably 600KVA）, by transformator export to
Few one group of secondary power（As 380V, 220V, 110V alternating current power supply）, transformator output secondary power be connected into control again through switch cubicle
Cabinet processed, connects to electrode from the power supply of switch board output, to the mixed material heating in furnace chamber.Switch board is generally by high-power
IGCT and control circuit composition, are the main control portion adjusting input power size in melting process.
The electric synthesis by internal resistance electric melting synthetic furnace that above-mentioned electrode can refer to traditional mode of production synthetic fluoromica is designed.Preferably go up
State electrode and include battery lead plate and three electrode bars, electrode bar is arranged on battery lead plate.Auxiliary electrode can be plugged with electrode bar upper end
Rod, auxiliary electrode rod upper end is connected with ignition voltage.Above-mentioned battery lead plate horizontal positioned, becomes 100- between electrode bar and battery lead plate
105 ° of angle；Three electrode bars can be connected with " Δ " or Y-shaped with ignition voltage.Above-mentioned electrode bar can adopt graphite or carbonization
Silicon is made.
Above-mentioned Opacity in lens stove can be used for productive manpower synthetic crystal material, for example：（1）Various artificial mica synthesis, special
It is not synthetic fluoromica；（2）Various electricity synthesises by internal resistance electric melting found the synthetic stone material of synthesis；（3）Other electricity synthesises by internal resistance electric melting melt
The crystalline material of system synthesis.
Above-mentioned Opacity in lens stove be applied to productive manpower synthetic crystal material method it is characterised in that：First, stove is installed
Wallboard constitutes packing area, then after Top electrode car being installed and loading mixed material, you can to electrifying electrodes, so that electrode is generated heat and to mixed
Close raw material heating, subsequently this packing area becomes and founds area, continue installation furnace wall plate in electrode front side new to constitute simultaneously
Packing area；When founding the mixed material in area and all melting into liquation, start electrode car and at the uniform velocity advance forward to packing area direction,
The input power of electrode keeps stable simultaneously；With the traveling forward of electrode car, the liquation of melting sequentially enters the crystallize stage
And cooling stage, original area that founds also becomes crystallize area, cooling zone successively；After the completion of cooling, original cooling zone becomes tears open
Unload blow-on area, now detachably dismantle down the furnace wall plate in blow-on area, take out crystal therein.So, the stove of Opacity in lens stove
Body is divided into packing area, is founded area, crystallize area, cooling zone and dismounting blow-on area by electrode car direct of travel.With electrode car
Traveling, each section of body of heater all becomes successively from packing area founds area, crystallize area, cooling zone, dismounting blow-on area, Er Qie
Body of heater front end installation furnace wall plate is to constitute new packing area, thus realizing the continuous production of artificial-synthetic crystal's material.From dismounting
The furnace wall plate that blow-on area disassembles can reinstall to body of heater front end, to constitute new packing area, realizes the circulation of furnace wall plate
Using.
In a kind of concrete scheme, above-mentioned Opacity in lens stove is applied to productive manpower synthesis fluorophologopite, comprises the steps：
（1）Furnace wall plate is installed and constitutes packing area, and Top electrode car is installed, then load mixed material；
Described mixed material is mixed by quartz sand, alumina powder, fused magnesite, potassium fluosilicate and potassium carbonate；
（2）To electrifying electrodes, so that electrode is generated heat and mixed material is heated, electrode region is constituted founds area, simultaneously
Continue furnace wall plate to be installed to constitute new packing area in electrode front side；
Electrode heating simultaneously includes the starting the arc successively and founds two stages to the process of mixed material heating；The stage is founded in entrance
Afterwards, when founding the mixed material in area and all melting into liquation, start electrode car and at the uniform velocity advance forward to packing area direction, simultaneously
The input power of electrode keeps stable, realizes continuous melting；
（3）With pushing ahead of electrode car, the electric current that the liquation unit area of melting is passed through reduces, and liquation is lowered the temperature simultaneously
Enter clarification stage；
（4）With pushing ahead of electrode car, the electric current that now liquation unit area is passed through reduces further, through clarification
Liquation be cooled to recrystallization temperature area further（As 1405-1375 DEG C）, enter the crystallize stage；
（5）It is insulant it is impossible to conduction, the subsequent crystal natural cooling stage of entrance after liquation crystallization；
（6）Blow-on：When being cooled to furnace wall temperature less than 70 DEG C, the furnace wall plate in dismounting this region lower, takes out crystalline substance therein
Body.
Step（1）In mixed material in, quartz sand, alumina powder, fused magnesite, potassium fluosilicate, the proportioning of potassium carbonate
Can refer to prior art.Preferred steps（1）In mixed material in contained SiO2、MgO 、Al2O3、K2CO3And K2SiF6
Percentage by weight be：SiO236.08-37.4%, MgO 28.10-28.2%, Al2O311.85-11.9%, K2CO3
2.67-5.4%, K2SiF6 17.1-20.90%.
Step（1）In, mixed material can be loaded using following manner：Insert one layer of powder inside furnace bottom and two linear furnace walls
End material（This powder materials is the synthetic mica powder of -10 mesh）, its thickness is 30-50cm, constitutes external protection, external protection
Effect is insulation and protection furnace wall；One layer of foundry returns is inserted inside external protection（The sintering do not founded in previously producing mixes
Close raw material, its particle diameter≤20mm）, its thickness is 20-40cm, constitutes intermediate layer, the effect of intermediate layer be insulation,
Protection furnace wall and participation melting；Mixed material to be founded is inserted in the cavity that the inner surface of intermediate layer surrounds.Also
It is to say that mixed material to be founded is seated in the core of furnace chamber.
Step（2）In, electrode is installed and connected mode, and starting the arc stage and Power Control, the liquation temperature of founding the stage
The technological parameters such as degree, all can refer to existing electricity synthesis by internal resistance electric melting and found synthetic fluoromica technique.For example, electrode is three-phase electricity
Pole, can be connected using " Δ " or Y-shaped（Three electrode bar ignition voltage are connected with " Δ " or Y-shaped）, and it is former to imbed mixing
In material.
In starting the arc stage, electric current overall adjustment scope 0-600A；In the stage of founding, electric current overall adjustment scope 600-
2200A.
In the starting the arc stage, adjust to high voltage low current shelves, make the mixed material of surrounding them melt conductive, heating, and
And the scope that mixed material melts gradually expands, liquation is continuously increased；It is continuously increased with liquation, input power is gradually increased,
General control, between 5-240KW, can be gradually increased to 240KW from 5KW, Igniting pattern generally requires 1-10 hour.
In the stage of founding, can switch to low voltage and high current shelves, input power general control, between 240-500KW, melts
Liquid temp controls between 1495-1695 DEG C.Constantly new mixed material can be added to electrode perimeter in melting process.When molten
When liquid extends to intermediate layer, make input power be maintained at a certain numerical value between 240-500KW, and start electrode car, make
Electrode car is continuously advanced to packing area direction with the speed of 10-50cm per hour, carries out continuous melting.Due to mixed material all
It is filled in around electrode, founds power invariability, electrode car fltting speed is constant, the mixed material amount founded is constant, therefore molten
The temperature of body, viscosity are constant, and the thermograde of melt section is little, and melt viscosity is uniform, the homoepitaxial of the big chip that is highly advantageous to.
Step（3）In, when liquation enters clarification stage, in liquation, proportion is less than 2.75 high temperature impurity, founds and decomposite
The gases such as the CO2 remaining in liquation rise to liquation liquid level.
Step（4）In, still there is part small current to pass through liquation, and produce faint heat, can effectively delay temperature
Decrease speed（The temperature drop process in this crystallize stage can extend to 7-12 hour）, the growth for big chip provides favorably
Condition.
Step（5）Cooling stage be generally 7-8 days time.
Generally, step（6）In, after the plate of dismounting lower furnace wall, push external protection and intermediate layer aside, re-segmenting is punched,
Rived crystal or open crystal with digging machine big gun head segmentation with hydraulic splitting machine segmentation.The furnace wall plate that unloads, external protection powder,
Intermediate layer powder can use at filler position again.
Step（6）After crystal is taken out in blow-on, follow-up pick is broken the operation such as ore dressing, crushing and screening, packaging and storage and be can refer to now
Technology is had to carry out.For example：（1）Pick breaks ore dressing：Open bulk crystal with digging machine big gun head, reject foundry returns with electric pick, select bulk
Crystal, and broken grain body is then separated by artificial selection with foundry returns；（2）Crushing and screening：Try disintegrating machine, twin rollers with jaw to sort out
The crystal coming is crushed, then is sieved, and rank is divided into, and -10 mesh are insulation powder, and+10--4 mesh is 2-3 level chip, and+4
Mesh is qualified 1 grade chip, sheet and three corner materials, and sheet, three corner materials enter second crushing and screening；（3）Packaging and storage：1 grade
Chip and 2-3 level chip are weighed packaging respectively, you can warehouse-in, whole production completes.
Synthetic fluoromica through the preparation of this technique, limpid transparent, pliable and tough, the whiteness value of crystal wafer coarse crushing can reach
88 more than %；Crystal is unilateral big, can exceed that 75% more than the synthetic fluoromica piece ratio of 4 mesh ranks；Through grinding classification
Synthetic fluoromica whitewash degree can reach 90-94%, inspection is wrapped up by pearly-lustre, its effect can reach high-quality pearly-lustre face
The requirement of material.
The present invention compared with prior art, has the advantages that：
（1）Adopt and mainly body of heater is built by laying bricks or stones with the furnace wall plate that steel plate is constituted, substitute traditional refractory brick, on the one hand can adopt machine
Tool dismounts, and significantly reduces the labor intensity of workman, on the other hand saves the use of refractory brick（Produce 8- by every stove originally
11 tons of product meters, every stove is lost hundreds of to thousand high alumina standards, wedge shape refractory brick）, reduce production cost, another further aspect, solution
During having determined using refractory brick building by laying bricks or stones, founded, tearing stove etc. open, the brick powder of generation, brick are broken, rust etc. is to mixed material and product
Pollution and etch.
（2）Decrease the usage amount of electrode：Conventional synthesis stove is only capable of producing 8-11 ton product using the graphite electrode of 150kg
Product, and the present invention can continuously produce up to a hundred tons of products using the graphite electrode of 120kg, greatly reduces production cost.
（3）The cross-sectional area of the body of heater of synthetic furnace of the present invention is less, and liquation is substantially only located between electrode and electrode week
Enclose, mixed material melts completely, and glass melting temperature gradient is little, melting viscosity is uniform, the formation of the big chip that is highly advantageous to, cooling crystallization
Form gem-quality crystal afterwards.
（4）Can continuously produce, save electric energy：Conventional synthesis stove synthesizes every kilogram of fluorophologopite product needs 1.29-1.32 degree
Electricity, and the present invention synthesizes every kilogram of fluorophologopite product and only needs 0.86-1.07 degree electricity.
（5）For synthetic fluoromica, at 1375-1405 DEG C, recrystallization temperature is extremely narrow for its recrystallization temperature, if cold
But speed is too fast, then the chip generating is too little, all unfavorable to Yield and quality.Existing batch (-type) circular furnace body, because blowing out stops
Only it is energized, fast in the rate of cooling of this section of temperature, particularly small-sized body of heater, almost in 2-3 hour just beyond this recrystallization temperature area
Between, so the growth of chip is extremely limited, not exclusively, chip is hard, crisp, little for crystallize.The synthetic furnace of the present invention is normal
Melting process in, not blowing out does not have a power failure, and with being slowly advanced of electrode car, new mixed material melts, meanwhile, in crystallize area
Crystal and saturated solution coexist, and still have small current to pass through, and liquation still has heat to send, thus delaying rate of cooling, extend
Time of crystallize（The synthetic furnace of the present invention can be in above-mentioned recrystallization temperature interval holding 7-12 hour）, be conducive to the life of crystal
Atomic arrangement in length and chip architecture, reduces the formation of defect in chip, and the chip of synthesis is soft.Tough and size is big.
In brief, the Opacity in lens stove of the present invention can effectively improve product quality, makes synthetic fluoromica etc.
Artificial-synthetic crystal's material is produced under conditions of stable, improves the yield of high-quality artificial-synthetic crystal's material, simultaneously
Energy consumption greatly reduces, and resource utilization is high.
Additionally, the synthetic furnace wide adaptability of the present invention, singly not can be applicable to the synthesis of artificial mica synthesis, can also apply
Synthesis in artificial-synthetic crystal's material such as Decorative Building Stone.
Brief description
Fig. 1 is the general structure schematic diagram of Opacity in lens stove in the present invention；
Fig. 2 is the side structure schematic view of Opacity in lens stove local in the present invention；
The A-A sectional view of Fig. 3 Fig. 1.
Specific embodiment
Embodiment 1 Opacity in lens stove
As shown in Figure 1-Figure 3, this Opacity in lens stove includes body of heater 1 and electrode car 2.Body of heater 1 includes two being arranged side by side
Individual linear furnace wall 11；Linear furnace wall 11 is made up of the multiple furnace walls plate 111 being sequentially connected, can between two neighboring furnace wall plate 111
Dismounting connects, and furnace wall plate 111 top is provided with track element 121, and the track element 121 at each furnace wall plate 111 top is connected to track
12；Space between two linear furnace walls 11 constitutes furnace chamber 13.Electrode car 2 includes car body 21, electrode 22, wheel 23 and can drive
The wheel driving means that driving wheel rotates（In figure is not shown）, electrode 22, wheel 23 and wheel driving means on car body 21,
Wheel 23 is coordinated with track 12, wheel 23 being rotated by and carrying moving electrode car 2 mobile along track 12 in wheel driving means,
Electrode 22 on car body 21 stretches in furnace chamber 13.
In the present embodiment, body of heater 1 is arc, and two linear furnace walls 11 are all curved, and two linear furnace walls 11 are in two concentric circulars
On（Two linear furnace walls 11 are respectively the less linear furnace wall 11-1 of the radius and larger linear furnace wall 11-2 of radius）.Body of heater 1
Radius be 10-50 rice（I.e. the radius of the larger linear furnace wall 11-2 of radius is 10-50 rice）, the width of body of heater 1 is
1.2-6 rice（I.e. the distance between two linear furnace wall 11 outer ledges are 1.2-6 rice）, the height of body of heater 1 is 0.5-5 rice（I.e.
The height of linear furnace wall 11 is 0.5-5 rice）.The specification of body of heater 1 can according to scale of investment, production scale, select transformator,
Control circuit etc. carries out selecting design.
Furnace wall plate 111 includes outer layer 1111, internal layer 1112, front connection strap 1113 and rear connection strap 1114, wherein outer layer
1111 is steel plate（Reinforcement can be arranged on steel plate lateral surface）, front connection strap 1113 and rear connection strap 1114 are respectively arranged on outer layer
1111 front edge, back edge（Afterwards the front connection strap 1113 on a furnace wall plate 111 with adjacent previous furnace wall plate 111 after
Connection strap 1114 can be connected by bolt 112 or snap close piece, thus realizing detachably connecting between two neighboring furnace wall plate 111
Connect）, internal layer 1112 is heat-insulation layer（Heat-insulation layer can be constituted using high temperature fiber cotton or high temperature fiber blanket）, internal layer 1112 is located at outer layer
On 1111 inner surface.The specification of furnace wall plate 111 is designed according to the specification of body of heater, is formed linear after furnace wall plate 111 assembling
Furnace wall 11, furnace wall plate 111 height is 0.5-5 rice（Furnace wall plate 111 height is corresponding with the height of body of heater 1）, length be 0.3-
3.0 rice.Front connection strap 1113, rear connection strap 1114 can be constituted using I-steel.Front connection strap 1113, rear connection strap 1,114 1 side
Face is used for the connection between adjacent two furnace wall plates 11, on the other hand can increase the intensity of furnace wall plate 11.
In the present embodiment, wheel 23 may be rotatably mounted at car body 21 bottom, and car body 21 is in above track 12, wheel 23 with
Track 12 upper surface simultaneously can roll along track 12 upper surface.
Above-mentioned wheel driving means can adopt motor（As servomotor）, the power output shaft of this motor is by subtracting
Fast device is in transmission connection with the wheel shaft of wheel 23.
Generate heat after electrifying electrodes on car body 21, and to the material heating in furnace chamber 13.Electrode 22 passes through cable connection extremely
Power supply unit（The power supply unit that power supply unit can refer to the electric synthesis by internal resistance electric melting synthetic furnace of traditional mode of production synthetic fluoromica is carried out
Design）, power supply unit is made up of supply line, switch board 3, transformator 4, chopper etc., and its specification can be advised according to yield, body of heater
Fltting speed of lattice and electrode etc. is selected.In the present invention, can be powered using 10KV power supply, 10KV power supply is sequentially connected open circuit
Device, transformator 4（Using transformator output power range can be 400～700KVA, preferably 600KVA）, exported by transformator 4
Least one set secondary power（As 380V, 220V, 110V alternating current power supply）, transformator 4 output secondary power connect again through switch cubicle
Enter switch board 3, connect through cable 5 to electrode 2 from the power supply of switch board 3 output, to the mixed material heating in furnace chamber 13.Control
Cabinet 3 processed is made up of high-power thyristor and control circuit, is the major control portion adjusting input power size in melting process
Point.
The electric synthesis by internal resistance electric melting synthetic furnace that electrode 22 can refer to traditional mode of production synthetic fluoromica is designed.The present embodiment
In, electrode 22 includes battery lead plate 221 and three electrode bars 222, and electrode bar 222 is arranged on battery lead plate 221.In electrode bar 222
Upper end is plugged with auxiliary electrode rod, and auxiliary electrode rod upper end is connected with ignition voltage.Battery lead plate 221 horizontal positioned, electrode bar 222 and electricity
100-105 ° of angle is become between pole plate 221；Three electrode bars 222 use ignition voltage to connect with " Δ " type.Electrode bar 222 can
Made using graphite or carborundum.
Above-mentioned Opacity in lens stove can be used for productive manpower synthetic crystal material, for example：（1）Various artificial mica synthesis, special
It is not synthetic fluoromica；（2）Various electricity synthesises by internal resistance electric melting found the synthetic stone material of synthesis；（3）Other electricity synthesises by internal resistance electric melting melt
The crystalline material of system synthesis.
The application of embodiment 2 Opacity in lens stove
The present embodiment adopts the Opacity in lens stove of embodiment 1, is applied to productive manpower synthetic crystal material（It is specially artificial
Synthesis fluorophologopite）.
With reference to Fig. 1-Fig. 3, the method that above-mentioned Opacity in lens stove is applied to productive manpower synthetic crystal material, its feature exists
In：First, furnace wall plate 111 is installed and constitutes packing area 1a, then after Top electrode car 2 being installed and loading mixed material, you can to electrode
22 energisings, make electrode 22 generate heat and mixed material 6 are heated, subsequently this packing area 1a becomes and founds area 1b, simultaneously in electrode
Car 2 front continues to install furnace wall plate 111 to constitute new packing area 1a；When the mixed material 6 founded in area 1b all melt into molten
During liquid, start electrode car 2 and at the uniform velocity advance forward to packing area 1a direction（The direct of travel of electrode car 2 such as the arrow institute in Fig. 1
Show）, the input power holding of electrode 22 is stable simultaneously；With the traveling forward of electrode car 2, the liquation of melting sequentially enters analysis
Brilliant stage and cooling stage, original area 1b that founds also becomes crystallize area 1c, cooling zone 1d successively；After the completion of cooling, original
Cooling zone 1d becomes dismounting blow-on area 1e, now detachably dismantles down the furnace wall plate 111 of blow-on area 1e, takes out crystalline substance therein
Body.So, the body of heater 1 of Opacity in lens stove by electrode car 2 direct of travel be divided into packing area 1a, found area 1b, crystallize area 1c,
Cooling zone 1d and dismounting blow-on area 1e.With the traveling of electrode car 2, each section of body of heater 1 all becomes successively from packing area 1a
Found area 1b, crystallize area 1c, cooling zone 1d, dismounting blow-on area 1e, and new to constitute in body of heater 1 front end installation furnace wall plate 111
Packing area 1a, thus realizing the continuous production of artificial-synthetic crystal's material.The furnace wall plate disassembling from dismounting blow-on area 1e
111 can reinstall to body of heater 1 front end, to constitute new packing area 1a, realize recycling of furnace wall plate 111.It is additionally, since
Body of heater 1 is arc, and two linear furnace walls 11 are on two concentric circulars, therefore can achieve the recycling in place.
In the present embodiment, Opacity in lens stove is applied to productive manpower synthesis fluorophologopite, comprises the steps：
（1）Furnace wall plate 111 is installed and constitutes packing area 1a, and Top electrode car 2 is installed, then load mixed material；
This step（1）In, mixed material 6 is loaded using following manner：Insert one layer inside furnace bottom and two linear furnace walls
Powder materials（This powder materials is the synthetic mica powder of -10 mesh）, the powder materials thickness that wherein furnace bottom position is inserted is 40cm, two lines
The powder materials thickness inserted inside shape furnace wall 11 is 30 cm, constitutes external protection 7；Insert one layer to melt down inside external protection 7
Material（The sintered compound raw material do not founded in previously producing, its particle diameter≤20mm）, its thickness is 30cm, constitutes intermediate layer
8；Mixed material to be founded is inserted in the cavity that the inner surface of intermediate layer 8 surrounds（Mixed material 6 to be founded is loaded
Core in furnace chamber 13）.
Described mixed material 6 is mixed by quartz sand, alumina powder, fused magnesite, potassium fluosilicate and potassium carbonate.This reality
Apply in example, mixed material is made up of the raw material of following weight percentage ratio：Quartz sand 36%, aluminium oxide 12%, fused magnesite 29%,
Potassium fluosilicate 19%, potassium carbonate 4%.
The depth of three electrode bar 222 embedment mixed materials 6 is 0.5-1 rice.
（2）It is energized to electrode 22, so that electrode 22 is generated heat and mixed material 6 is heated, electrode 22 region is constituted founds
Area 1b, continues to install furnace wall plate 111 to constitute new packing area 1a in electrode car 2 front simultaneously；
Electrode 22 generates heat and the process of mixed material 6 heating is included the starting the arc successively and founds two stages；Entrance is founded
After stage, when the mixed material 6 founded in area 1b all melts into liquation, start electrode car 2 at the uniform velocity to packing area 1a direction to
Front traveling（The gait of march of electrode car determines according to the melting situation of mixed material, the gait of march of electrode car in the present embodiment
It is about 30cm/hr）, the input power holding of electrode 22 is stable simultaneously（Input power is 480KW）, realize continuous melting（Liquation
Temperature control is at 1540-1580 DEG C）；
In melting process, whole mixed materials should be made to melt, part foundry returns also can dissolve, but can not be dissolved into powder materials
And the internal layer 1112 of furnace wall plate 111.
The boiler face founded must add a cover foundry returns and powder materials（This powder materials is the synthetic mica powder of -10 mesh）, right
Liquation is incubated.
（3）With pushing ahead of electrode car 2, the electric current that the liquation unit area of melting is passed through reduces, and liquation is lowered the temperature
And enter clarification stage；
When liquation enters clarification stage, in liquation, proportion is less than 2.75 high temperature impurity, founds and decompose remaining in out
The gases such as the CO2 in liquation rise to liquation liquid level.
（4）With pushing ahead of electrode car 2, the electric current that now liquation unit area is passed through reduces further, Jing Guocheng
Clear liquation is cooled to recrystallization temperature area further（As 1405-1375 DEG C）, enter the crystallize stage（This region becomes crystallize area
1c）；
This step（4）In, still there is part small current to pass through liquation, and produce faint heat, can effectively delay temperature
Decrease speed（The temperature drop process in this crystallize stage can extend to 7-12 hour）.
（5）It is insulant it is impossible to conduction, the subsequent crystal natural cooling stage of entrance after liquation crystallization（This region
Become cooling zone 1d）；
The time of cooling stage is 7-8 days.
（6）Blow-on：When being cooled to furnace wall temperature less than 70 DEG C（Now this region becomes dismounting blow-on area 1e）, under dismounting
The furnace wall plate in this region, takes out crystal therein.
This step（6）In, after the plate of dismounting lower furnace wall, when the temperature of crystal cooling segment is down to less than 100 DEG C, you can take off
Remove the foundry returns of non-molten sintering, powder materials around crystal（I.e. external protection and intermediate layer）, re-segmenting is punched, and uses hydraulic pressure
Splitting machine segmentation is rived crystal or open crystal with digging machine big gun head segmentation.After crystal is taken out in blow-on, follow-up pick is broken ore dressing, is broken
The operation such as broken screening, packaging and storage can refer to prior art and carries out.For example：（1）Pick breaks ore dressing：Open monoblock with digging machine big gun head brilliant
Body, rejects foundry returns with electric pick, selects bulk crystals（The bulk of diameter about 40-60cm）, and broken grain body and foundry returns are then by people
Work selection separates；（2）Crushing and screening：Try disintegrating machine with jaw, twin rollers crush to the crystal choosing, then sieved
Point, rank is divided into, -10 mesh be insulation powder ,+10--4 mesh be 2-3 level chip ,+4 mesh are qualified 1 grade chip, sheet and
Three corner materials, sheet, three corner materials enter second crushing and screening；（3）Packaging and storage：1 grade of chip and 2-3 level chip are weighed respectively
Packaging, you can warehouse-in, whole production completes.
Step（6）The furnace wall plate that unloads, external protection powder, intermediate layer powder can make at filler position again
With.
Above-mentioned steps（2）In, electrode is installed and connected mode, and starting the arc stage and found the Power Control in stage, molten
The technological parameters such as liquid temp, found synthetic fluoromica technique with reference to existing electricity synthesis by internal resistance electric melting.For example：（1）Electrode is three
Phase electrode, can be connected using " Δ " or Y-shaped（Three electrode bar ignition voltage are connected with " Δ " type）, and imbed mixed material
In；（2）In the starting the arc stage, adjust to high voltage low current shelves, make the mixed material of surrounding them melt conductive, heating, and
The scope that mixed material melts gradually expands, and liquation is continuously increased；It is continuously increased with liquation, input power is gradually increased, can
It is gradually increased to 240KW from 5KW；（3）In the stage of founding, switch to low voltage and high current shelves, input power controls in 240-
Between 500KW, melt temperature controls between 1495-1695 DEG C；Constantly new mixing can be added to electrode perimeter in melting process
Close raw material；When liquation extends to intermediate layer, input power is made to be maintained at a certain numerical value between 240-500KW（As defeated
Entering power is 480KW）, and start electrode car, so that electrode car is continuously advanced to packing area direction with the speed of about 30cm per hour,
Carry out continuous melting.In the present embodiment, transformator 4 output is 600KVA；In starting the arc stage, electric current overall adjustment scope
0-600A；In the stage of founding, electric current overall adjustment scope 600-2200A.
The specification of body of heater that the present embodiment adopts is：The radius of body of heater 1 is 43 meters（The i.e. larger linear furnace wall 11- of radius
2 radius is 43 meters）, the width of body of heater 1 is 3 meters（I.e. the distance between two linear furnace wall 11 outer ledges are 3 meters）, body of heater 1
Height be 1.8 meters（I.e. the height of linear furnace wall 11 is 0.5-5 rice）.For constructing the furnace wall plate 111 of linear furnace wall 11-2
2.7 meters of every piece of arc length, for constructing 2.32 meters of furnace wall plate 111 every piece of arc length of linear furnace wall 11-1.
The synthetic fluoromica that the present embodiment is obtained is limpid transparent, pliable and tough, and the whiteness value of crystal wafer coarse crushing can reach
88 more than %, crystal is unilateral big, can exceed that 75% more than the synthetic fluoromica piece ratio of 4 mesh ranks.Through grinding classification
Synthetic fluoromica whitewash degree can reach 90-94%, inspection is wrapped up by pearly-lustre, its effect can reach high-quality pearly-lustre face
The requirement of material.Through slurrying, papermaking and pressing plate, the synthetic mica paper produced and synthetic mica board, its electrical insulation capability is better than
Synthetic fluoromica by traditional handicraft and formula preparation.
The application of embodiment 3 Opacity in lens stove
The present embodiment Opacity in lens stove, is applied to productive manpower synthesis color stone material.
The body of heater of the Opacity in lens stove that this example adopts is linear, and two linear furnace walls are linear and parallel.Stove
The length of body is 10-200 rice（I.e. the length of linear furnace wall is 10-200 rice）, the width of body of heater is 1.2-6 rice（I.e. two line
The distance between shape furnace wall outer ledge is 1.2-6 rice）, the height 0.5-5 rice of body of heater（I.e. the height of linear furnace wall is
0.5-5 rice）.The specification of body of heater can carry out selection according to scale of investment, production scale, the transformator selected, control circuit etc. and set
Meter.
Synthesize the raw material of color stone material for the productive manpower by fluvial sand, Calx stone, Anhydrite, barren rock material, cullet, abandoned mine
Slag, inorganic construction waste and a small amount of coloring agent mix, blended, broken after obtain mixed material.
Opacity in lens stove be applied to the productive manpower synthesize color stone material method it is characterised in that：First, furnace wall plate is installed
111 composition packing area 1a, then after Top electrode car 2 being installed and loading mixed material, you can it is energized to electrode 22, so that electrode 22 is generated heat
And mixed material 6 is heated, subsequently this packing area 1a becomes and founds area 1b, continues to install furnace wall in electrode car 2 front simultaneously
Plate 111 is to constitute new packing area 1a；When the mixed material 6 founded in area 1b all melts into liquation, start electrode car 2 at the uniform velocity
Advance forward to packing area 1a direction（The direct of travel of electrode car 2 is as illustrated by the arrows in fig. 1）, the input work of electrode 22 simultaneously
Rate keeps stable；With the traveling forward of electrode car 2, the liquation of melting sequentially enters crystallize stage and cooling stage, originally
The area 1b that founds also become crystallize area 1c, cooling zone 1d successively；After the completion of cooling, original cooling zone 1d becomes dismounting blow-on area
1e, now detachably dismantles down the furnace wall plate 111 of blow-on area 1e, takes out crystal therein.The crystal obtaining is colored synthesis
Stripe shape stone material, the slate material of cleavable one-tenth architectural decoration.
The body of heater 1 of Opacity in lens stove by electrode car 2 direct of travel be divided into packing area 1a, found area 1b, crystallize area 1c,
Cooling zone 1d and dismounting blow-on area 1e.With the traveling of electrode car 2, each section of body of heater 1 all becomes successively from packing area 1a
Found area 1b, crystallize area 1c, cooling zone 1d, dismounting blow-on area 1e, and new to constitute in body of heater 1 front end installation furnace wall plate 111
Packing area 1a, thus realizing the continuous production of artificial-synthetic crystal's material.The furnace wall plate disassembling from dismounting blow-on area 1e
111 can reinstall to body of heater 1 front end, to constitute new packing area 1a, realize recycling of furnace wall plate 111.
Claims (10)
1. a kind of Opacity in lens stove is it is characterised in that include body of heater and electrode car；Described body of heater includes two lines being arranged side by side
Shape furnace wall；Linear furnace wall is made up of the multiple furnace walls plate being sequentially connected, and is detachably connected, furnace wall plate between the plate of two neighboring furnace wall
Top is provided with track element, and the track element of each stove top of panels is connected to track；Space between two linear furnace walls constitutes stove
Chamber；The wheel driving means that electrode car includes car body, electrode, wheel and wheel can be driven to rotate, electrode, wheel and wheel
On car body, wheel is coordinated driving means with track, wheel being rotated by and carrying moving electrode car in wheel driving means
Move along track, the electrode on car body stretches in furnace chamber.
2. Opacity in lens stove according to claim 1 it is characterised in that：Described furnace wall plate includes outer layer, internal layer, front connection
Bar and rear connection strap；Outer layer is steel plate, and front connection strap and rear connection strap are respectively arranged on the front edge of outer layer, back edge, a stove afterwards
Front connection strap on wallboard passes through bolt with the rear connection strap on adjacent previous furnace wall plate or snap close piece connects；Internal layer is to protect
Warm layer, internal layer is on the inner surface of outer layer.
3. Opacity in lens stove according to claim 1 it is characterised in that：Described body of heater is arc, and two linear furnace walls are in
On two concentric circulars.
4. Opacity in lens stove according to claim 3 it is characterised in that：The radius of described body of heater is 10-50 rice, body of heater
Width be 1.2-6 rice, the height of body of heater is 0.5-5 rice.
5. Opacity in lens stove according to claim 1 it is characterised in that：Described body of heater is linear, two linear furnace wall phases
Parallel.
6. Opacity in lens stove according to claim 1 it is characterised in that：Described electrode includes battery lead plate and three electrodes
Rod, electrode bar is arranged on battery lead plate；It is plugged with auxiliary electrode rod in electrode bar upper end, auxiliary electrode rod upper end is connected with starting the arc electricity
Pole.
7. the method that the Opacity in lens stove described in any one of claim 1-6 is applied to productive manpower synthetic crystal material, it is special
Levy and be：First, furnace wall plate is installed and constitutes packing area, then after Top electrode car being installed and loading mixed material, to electrifying electrodes, make
Electrode heating is simultaneously heated to mixed material, and subsequently this packing area becomes and founds area, continues to install stove in electrode front side simultaneously
Wallboard is to constitute new packing area；When founding the mixed material in area and all melting into liquation, start electrode car at the uniform velocity to filler
Advance forward in direction in area, the input power of electrode keeps stable simultaneously；With the traveling forward of electrode car, the liquation of melting according to
Secondary entrance crystallize stage and cooling stage, original area that founds also becomes crystallize area, cooling zone successively；After the completion of cooling, originally
Cooling zone become dismounting blow-on area, now dismantle the lower furnace wall plate dismantling blow-on area, take out crystal therein.
8. productive manpower synthetic crystal material according to claim 7 method it is characterised in that：Tear open from dismounting blow-on area
The furnace wall plate unloaded down reinstalls to body of heater front end, to constitute new packing area.
9. the Opacity in lens stove described in claim 6 is applied to the method for productive manpower synthetic crystal material it is characterised in that institute
State Opacity in lens stove and be applied to productive manpower synthesis fluorophologopite, comprise the steps：
（1）Furnace wall plate is installed and constitutes packing area, and Top electrode car is installed, then load mixed material；
Described mixed material is mixed by quartz sand, alumina powder, fused magnesite, potassium fluosilicate and potassium carbonate；
（2）To electrifying electrodes, so that electrode is generated heat and mixed material is heated, electrode region is constituted founds area, simultaneously in electricity
Pole front side continues to install furnace wall plate to constitute new packing area；
Electrode heating simultaneously includes the starting the arc successively and founds two stages to the process of mixed material heating；After the stage is founded in entrance,
When founding the mixed material in area and all melting into liquation, start electrode car and at the uniform velocity advance forward to packing area direction, simultaneously electricity
The input power of pole keeps stable, realizes continuous melting；
（3）With pushing ahead of electrode car, the electric current that the liquation unit area of melting is passed through reduces, and liquation is lowered the temperature and entered
Clarification stage；
（4）With pushing ahead of electrode car, the electric current that now liquation unit area is passed through reduces further, molten through clarification
Liquid is cooled to recrystallization temperature area further, enters the crystallize stage；
（5）It is insulant it is impossible to conduction, the subsequent crystal natural cooling stage of entrance after liquation crystallization；
（6）Blow-on：When being cooled to furnace wall temperature less than 70 DEG C, the furnace wall plate in dismounting this region lower, takes out crystal therein.
10. productive manpower synthetic crystal material according to claim 9 method it is characterised in that：Step（1）In, adopt
Load mixed material with following manner：Insert one layer of powder materials inside furnace bottom and two linear furnace walls, its thickness is 30-50cm,
Constitute external protection；Insert one layer of foundry returns inside external protection, its thickness is 20-40cm, constitutes intermediate layer；?
Mixed material to be founded is inserted in the cavity that the inner surface of intermediate layer surrounds.
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| CN113465387B (en) * | 2021-07-05 | 2023-05-12 | 安徽省广利川新材料实业有限公司 | Furnace body steel structure for high-temperature reaction |
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Address after: 515000 first floor, Jia Feng mansion, B11-5 block, Shantou Free Trade Zone, Haojiang District, Shantou, Guangdong, China Patentee after: SHANTOU SANBAO MICA TECHNOLOGY CO.,LTD. Address before: 515000 first floor, Jia Feng mansion, B11-5 block, Shantou Free Trade Zone, Haojiang District, Shantou, Guangdong, China Patentee before: SHANTOU FTZ SANBAO PEARL LUSTER MICA TECHNOLOGY Co.,Ltd. |
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Address after: 515000 first floor of Jia Feng mansion, B11-5 block, Shantou Free Trade Zone, Guangdong. Patentee after: Guangdong Triratna new material Science and Technology Co.,Ltd. Address before: 515000 first floor, Jia Feng mansion, B11-5 block, Shantou Free Trade Zone, Haojiang District, Shantou, Guangdong, China Patentee before: SHANTOU SANBAO MICA TECHNOLOGY CO.,LTD. |