CN103601225B - The synthesizer of continuous hot type fused corundom and production technique thereof - Google Patents
The synthesizer of continuous hot type fused corundom and production technique thereof Download PDFInfo
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Abstract
The present invention discloses a kind of synthesizer and production technique thereof of continuous hot type fused corundom, this device comprise calcining kiln, feedstock transportation pipeline, raw material cabin, furnace charge dispenser, electric arc furnace, support electric arc furnace cupola well seat and contain bag, one end of described feedstock transportation pipeline is connected with calcining kiln, the other end of feedstock transportation pipeline is connected with furnace charge dispenser, described raw material cabin is arranged on above feedstock transportation pipeline, and be connected by the middle part of pipeline with feedstock transportation pipeline, described electric arc furnace is positioned at the below of furnace charge dispenser.The present invention by carrying out preheating by the high temperature bauxitic ore after calcining and auxiliary material in the process of transmission, and then feeding electric arc furnace is smelted, and makes full use of the heat energy of the generation in fused corundom synthesis technique flow process, improves heat utilization efficiency, reduce the current consumption of unit product, enhance productivity simultaneously.
Description
Technical field
The present invention relates to fused corundom field of smelting, particularly relate to a kind of synthesizer and production technique thereof of continuous hot type fused corundom.
Background technology
Existing fused corundom smelting technology feature is: bauxitic ore is cooled to normal temperature after more than 1300 DEG C high-temperature calcinations, compounding by corresponding proportion with the subsidiary material such as iron content, carbon containing after being broken into certain granules degree, put in three electrode arc stoves to smelt and complete electric heating combination reaction to during more than 2000 DEG C temperature, then high temperature solution is poured in the Sheng bag with refractory lining and is cooled to normal temperature, obtain corundum product.To put into obtaining ambient product in electric furnace as raw material and add respective element when needs continue deep processing to product or byproduct again, again complete after electric heating combination reaction through pyrotic smelting, high temperature solution is poured into contain in bag and is cooled to normal temperature, obtains product innovation.
The main drawback of existing fused corundom smelting device is: in manufacture course of products, have too much manufacturability discontinuous point, and three times material is promoted to high temperature from normal temperature and is down to normal temperature again, heat utilization efficiency is low, and energy consumption is very high; The gordian technique of smelting corundum due to three electrode arc stoves is limited by existing industry technology basis, high-power (more than 10000KVA) corundum smelting electric arc furnace Arrested Development, cannot obtain electric furnace maximization, short route, continous way produce the more benefits brought; Be limited by tooling to fall behind, calcining and the ore grade control of main raw material bauxitic ore are extensive, cause the working of a furnace in fused corundom process unstable, formula interim adjustment in stokehold is frequent, quality fluctuation is comparatively large, and the artificial empirical operation of undue dependence, is unfavorable for manufacturing processed mechanize, automatization; Now with there being lining to contain maintenance packet amount greatly, product formation being polluted, adds sub-quality products quantity, and multi items combination producing needs cannot be met.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of synthesizer and production technique thereof of continuous hot type fused corundom, it makes full use of the heat energy of the generation in fused corundom synthesis technique flow process, improves heat utilization efficiency, reduce the current consumption of unit product, enhance productivity simultaneously.
For achieving the above object, the present invention adopts following technical scheme:
A kind of synthesizer of continuous hot type fused corundom, comprise calcining kiln, feedstock transportation pipeline, raw material cabin, furnace charge dispenser, electric arc furnace, the cupola well seat of support electric arc furnace and the multiple Sheng bags for accepting hot melt liquid, one end of described feedstock transportation pipeline is connected with calcining kiln, the other end of feedstock transportation pipeline is connected with furnace charge dispenser, described raw material cabin is arranged on above feedstock transportation pipeline, and be connected by the middle part of pipeline with feedstock transportation pipeline, described electric arc furnace is positioned at the below of furnace charge dispenser.
Further, described feedstock transportation pipeline comprises two-way transport pipe and auxiliary material preheating pipe, the inlet end of this two-way transport pipe is connected with described calcining kiln, the exit end of two-way transport pipe is connected with the inlet end of auxiliary material preheating pipe, the below of this two-way transport pipe is also connected with a water cooler by pipeline, when electric arc furnace stage quits work, the high temperature bauxitic ore sent can be imported in water cooler continuously in calcining kiln, thus ensure the continuity of production; Described raw material cabin is connected with the middle part of auxiliary material preheating pipe, and the exit end of this auxiliary material preheating pipe connects described furnace charge dispenser.
Further, the synthesizer of this continuous hot type fused corundom also comprises raw material for standby storehouse and transport pipe for subsequent use, and the exit end of this transport pipe for subsequent use connects described furnace charge dispenser; Store in this raw material for standby storehouse and cool through water cooler the bauxitic ore and various auxiliary material that obtain.
Further, described raw material cabin comprises multiple separate feed bin.
Further, above described two-way transport pipe, be also provided with off-gas recovery mouth, for the hot vapour produced in pipeline, hot cigarette are carried out recycling, can further improve the heat utilization efficiency of whole device.
Further, the synthesizer of this continuous hot type fused corundom also comprises the short net providing electric power and the transformer coordinated with it, and described electric arc furnace adopts six electrodes to power.
Further, described short net comprises twelve earthly branches transmission of electricity copper pipe, the secondary outgoing line phase sequence of described transformer is labeled on electric transmission copper tube section, by a1 phase, x1 phase, b1 phase, y1 phase, c1 phase, z1 phase, a2 phase, x2 phase, b2 phase, y2 phase, c2 phase, z2 phase is totally ten two phase composites, back and forth two row six row are formed against arrangement mode according to homophase, this 12 phase sequence and corresponding six electrodes are by (a1, z1), (a2, z2), (c2, y2), (b1, x1), (c1, y1), (b2, x2) group is to connection, electric furnace six electrodes runs according to star-double-delta connection mode, adopt multi-electrode electric furnace power supply plan can solve the energy consumption run in electric furnace maximization process, material consumption, the problem that product impurity is higher, and multi-electrode is powered and is made high power electric furnace individual event electrode end surface specific surface mean power lower, the damage of electrode high temperature oxidation reduces, make cupola well surface power configuration even, electric heating combination reaction is steadily conducive to product magazins' layout, thus multi-electrode electric arc furnace is conducive to improving output, improve quality, reduce and consume, short network arrangements adopts the mode of the reciprocating inverse arrangement of homophase can reduce eddy current heat waste to greatest extent, improves electric stove power coefficient.
Further, described electric arc furnace top is provided with a bonnet, is respectively equipped with an aiutage to this bonnet zygomorphy, is conducive to the quick discharge of the flue gas produced in reaction process.
Further, described electric arc furnace both sides are provided with the gudgeon that fascinates being supported in top, cupola well seat two side, stiffening web is provided with bottom the cupola well of electric arc furnace, described cupola well seat is provided with the cupola well supporting seat being supported in arc furnace cylinder bottom reinforcement, this stiffening web and cupola well supporting seat be designed for the vertical gravity load alleviating the gudgeon that fascinates, avoid gudgeon long term high temperature loading fatigue deformation of fascinating.
A production technique for continuous hot type fused corundom, it comprises the steps:
Calcination process, sends the bauxitic ore after mixture into calcining kiln and calcines;
Transmit, warm, the hot bauxitic ore after calcining is sent into feedstock transportation pipeline and transmits continuously forward, the auxiliary material in raw material cabin drops on the hot bauxitic ore in transmission continuously, and is sent to furnace charge dispenser therewith and carries out dispensing pan feeding;
Smelting process, the bauxitic ore after mixture and auxiliary material fall in electric arc furnace from furnace charge dispenser and react;
Manufacture Finished product processThe, reacted hot melt liquid is poured in Sheng bag and cool, obtained corundum product.
Further, describedly hot bauxitic ore after calcining is sent into the step that feedstock transportation pipeline transmits forward continuously and also comprise: the hot bauxitic ore after calcining is sent into water cooler continuously from calcining kiln and cools, thus guarantee the continuity of producing.
Further, described feeding continuously water cooler from calcining kiln by hot bauxitic ore after calcining is carried out cooled step and is also comprised: transferred in raw material for standby storehouse by cooled bauxitic ore.
Further, in described manufacture finished product process steps, different handbag of containing is drawn together linerless Sheng bag or melts Sheng bag again.
Further, described reacted hot melt liquid pour into described in more molten contain bag after step also comprise, then this hot melt liquid to be sent in molten electric furnace again, adds modulation element and reprocess, it utilizes the heat produced in smelting process again to smelt, and can further improve heat utilization efficiency.
As mentioned above, the present invention by carrying out preheating by the high temperature bauxitic ore after calcining and auxiliary material in the process of transmission, and then feeding electric arc furnace is smelted, make full use of the heat energy of the generation in fused corundom synthesis technique flow process, improve heat utilization efficiency, reduce the current consumption of unit product, enhance productivity simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention continues a kind of embodiment of synthesizer of hot type fused corundom.
Wherein: 1, calcining kiln; 6, two-way transport pipe; 7, auxiliary material preheating pipe; 2, raw material cabin; 8, horizontal type cooler; 3, furnace charge dispenser; 9, raw material for standby storehouse; 42, aiutage; 44, electrode; 41, bonnet; 5, cupola well seat; 51, electric furnace supporting seat; 52, bonnet sidewall; 4, six electrode arc stoves; 15, molten Sheng is wrapped again; 16, linerless Sheng bag; 43, fascinate gudgeon; 18, electric furnace is melted again.
Fig. 2 a is the two-way transport pipe A-A sectional structural map shown in Fig. 1;
Fig. 2 b is the side-looking surface construction figure of Fig. 2 a.
Wherein: 21, feeding port terminal pad; 22, feed opening terminal pad; 23, off-gas recovery mouth terminal pad; 24, water cooler mouth terminal pad; 25, heavy fire resistant heat preserving lining material; 26, heavy fire-resistant abrasion-proof lining material; 27, light-duty fire resistant heat preserving lining material; 28, metal barrel shell.
Fig. 3 a is the auxiliary material preheating pipe A-A sectional structural map shown in Fig. 1;
Fig. 3 b be Fig. 3 a overlook surface construction figure.
Wherein: 31, feeding port terminal pad; 35, feed opening terminal pad; 32, metal barrel shell; 33, A feed bin material mouth terminal pad; 34, light-duty fire resistant heat preserving lining material; 36, heavy fire-resistant abrasion-proof lining material; 37, heavy fire resistant heat preserving lining material; 38, F feed bin material mouth terminal pad; 39, heavy fire-resistant abrasion-proof batch mixing cone; 310, C feed bin material mouth terminal pad.
Fig. 4 a is the furnace charge dispenser side-looking surface construction figure shown in Fig. 1;
Fig. 4 b is the A-A sectional structural map of Fig. 4 a;
Fig. 4 c be Fig. 4 a overlook surface construction figure.
Wherein: 61, carrier pipe shell; 62, heavy fire resistant heat preserving lining material; 63, heavy fire-resistant abrasion-proof lining material; 64, light-duty fire resistant heat preserving lining material; 65, fascinate dispensing device shell; 66, light-weight refractory heat-preserving cover plate; 67, heavy fire-resistant abrasion-proof base plate; 68, fascinate rocking arm; 69, fascinate cylinder; 610, fascinate axle bed; 611, preheating material pipe end opening; 612, fascinate dispensing device base; 613, fascinate connecting shaft; 614, sub-material mouth tremie pipe; 615, sealed interface; 616, the defeated furnace charge pipe of engineering ceramics; 617, fire resistant heat preserving lining material; 618, furnace charge pipe shell.
Fig. 5 a is the double inflator A-A sectional structural map shown in Fig. 1;
Fig. 5 b be Fig. 5 a overlook surface construction figure.
Wherein: 42, aiutage; 83, fire resistant heat preserving liner; 101, hollow bonnet upper cover; 102, bonnet water-cooled tube; 103, bonnet electrode hole; 104, defeated furnace charge pore; 105, flame-proof thermal insulation material; 131, bonnet outer side wall; 132, furnace side inwall; 133, bonnet vision slit.
Fig. 6 a is the electric arc furnace A-A sectional structural map shown in Fig. 1;
Fig. 6 b be Fig. 6 a overlook surface construction figure.
Wherein: 141, hearth casing; 142, heat insulation pasting board; 143, firebrick lining; 144, founding furnace lining; 145, form bottom cupola well; 146, converter nose; 44, electrode; 148, cupola well gland; 43, fascinate gudgeon; 149, cupola well waistband hoop.
Fig. 7 a is the cupola well seat A-A sectional structural map shown in Fig. 1;
Fig. 7 b be Fig. 7 a overlook surface construction figure.
Wherein: 121, stiffening web; 123, cupola well supporting seat.
Fig. 8 be shown in Fig. 1 linerless Sheng bag.
Wherein: 161, Nei Shengbao; 162, Wai Shengbao; 163, shower; 164, liquid discharge pipe; 165, outer Sheng bag hanger; 166, Nei Shengbao lifting hole(eyelet); 167, heat-eliminating medium space.
Fig. 9 a is that molten Sheng the again shown in Fig. 1 wraps A-A sectional structural map;
Fig. 9 b be Fig. 9 a overlook surface construction figure.
Wherein: 151, contain incrustation; 152, heat insulation pasting board; 153, high alumina brick; 154, hanger; 155, heat-resisting ramming layer; 156, melting cast layer; 157, Bao Zui; 158, car hauler; 159, pressing plate; 1510, interior cylinder-packing; 1511, bag waistband hoop is contained.
Figure 10 a is the homophase back and forth short net wiring scheme of inverse arrangement that synthesizer that the present invention continues hot type fused corundom uses;
Figure 10 b is that six electrodes that synthesizer that the present invention continues hot type fused corundom uses net with short the schematic diagram be connected.
Wherein: 111, the short net fixed frame of tubular type; 112, the short net mounting medium of tubular type; 113, transmission of electricity copper pipe; 114, transformer outlet phase sequence; 115, electrode connection phase sequence; 116, electrode star-double-delta connection service chart; 117,2 row 6 line stringings.
Figure 11 is the production technological process that the present invention continues hot type fused corundom.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
Refer to Fig. 1, the invention provides a kind of synthesizer of continuous hot type fused corundom, it cupola well seat 5 comprising calcining kiln 1, feedstock transportation pipeline, raw material cabin 2, furnace charge dispenser 3, electric arc furnace 4 and support electric arc furnace 4, one end of described feedstock transportation pipeline is connected with calcining kiln 1, the other end of feedstock transportation pipeline is connected with furnace charge dispenser 3, described raw material cabin 2 is arranged on above feedstock transportation pipeline, and be connected by the middle part of pipeline with feedstock transportation pipeline, described electric arc furnace 4 is positioned at the below of furnace charge dispenser 3.
Refer to Fig. 2 and Fig. 3, described feedstock transportation pipeline comprises two-way transport pipe 6 and auxiliary material preheating pipe 7, the inlet end of this two-way transport pipe 6 is connected with described calcining kiln 1, the exit end of two-way transport pipe 6 is connected with the inlet end of auxiliary material preheating pipe 7, and the below of this two-way transport pipe 6 is also connected with a water cooler 8 by pipeline; When electric arc furnace 4 running hours, the bauxitic ore after calcining carries out continuous feeding along feedstock transportation pipeline; When electric arc furnace stage quits work, the high temperature bauxitic ore sent can be imported in water cooler 8 continuously in calcining kiln, thus ensure the continuity of production; Described raw material cabin 2 is connected with the middle part of auxiliary material preheating pipe 7, and auxiliary material drops on the high temperature bauxitic ore in transmission continuously, thus carries out heat exchange with high temperature bauxitic ore, realizes the preheating of auxiliary material; The exit end of this auxiliary material preheating pipe 7 connects described furnace charge dispenser 3; Wherein, in the present embodiment, bauxitic ore is major ingredient, and described auxiliary material comprises iron, carbon and various modified element.
Further, the synthesizer of this continuous hot type fused corundom also comprises raw material for standby storehouse 9 and transport pipe for subsequent use 10, and itself and feedstock transportation pipeline and raw material cabin 2 are arranged symmetrically; The exit end of this transport pipe 10 for subsequent use connects described furnace charge dispenser 3; This raw material for standby storehouse 9 cools through water cooler 8 bauxitic ore and various auxiliary material that obtain for storing.
Further, described raw material cabin 2 comprises multiple separate feed bin, particularly, in the present embodiment, the plurality of feed bin is respectively iron charge storehouse, carbon feed bin and modified element feed bin, its be for produce various different performance, purposes corundum product and optionally add.
Further, be also provided with off-gas recovery mouth 61 above described two-way transport pipe 6, for the hot vapour produced in pipeline, hot cigarette are carried out recycling, can further improve the heat utilization efficiency of whole device.
Further, the synthesizer of this continuous hot type fused corundom also comprises the short net providing electric power and the transformer coordinated with it, and described electric arc furnace 4 adopts six electrodes 44 to power, preferably, described short net comprises twelve earthly branches transmission of electricity copper pipe 113, the secondary outgoing line phase sequence of described transformer is labeled on these transmission of electricity copper pipe 113 cross sections, by a1 phase, x1 phase, b1 phase, y1 phase, c1 phase, z1 phase, a2 phase, x2 phase, b2 phase, y2 phase, c2 phase, z2 phase is totally ten two phase composites, back and forth two row six row are formed against arrangement mode according to homophase, this 12 phase sequence and corresponding six electrodes are by (a1, z1), (a2, z2), (c2, y2), (b1, x1), (c1, y1), (b2, x2) group is to connection, electric furnace six electrodes 44 runs according to star-double-delta connection mode, this employing multi-electrode electric furnace power supply plan can solve the higher problem of the energy consumption, material consumption, the product impurity that run in electric furnace maximization process, and multi-electrode is powered and is made high-power electric arc furnace 4 individual event electrode end surface specific surface mean power lower, the damage of electrode high temperature oxidation reduces, and making cupola well surface power configuration even, electric heating combination reaction is steadily conducive to product magazins' layout, thus is conducive to improving output, short network arrangements adopts the mode of the reciprocating inverse arrangement of homophase can offset eddy current heat waste to greatest extent, improves electric stove power coefficient.
Particularly, described electric arc furnace 4 top is provided with a bonnet 41, is respectively equipped with an aiutage 42 to this bonnet 41 zygomorphy, is conducive to the quick discharge of the flue gas produced in reaction process; In the present embodiment, heat smoke is imported residual heat using device respectively by pipeline and recycles by two aiutages 42, improves heat utilization efficiency to greatest extent, reduces and produces power consumption; Finally by qualified discharge after environmental protecting device process.
Further, described electric arc furnace 4 both sides are provided with the gudgeon 43 that fascinates being supported in top, cupola well seat 5 two side, several stiffening web 121 being attached at cupola well outer wall is provided with bottom electric arc furnace 4 cupola well, cupola well seat 5 is provided with cupola well supporting seat 123, particularly, these stiffening webs 121 match with electric arc furnace 4 cupola well bottom shape, and are arranged on the side relative with electric arc furnace 4 converter nose, and design is convenient to topple over electric arc furnace 4 like this; This stiffening web 121 is supported on cupola well supporting seat 123, for alleviating the vertical gravity load of the gudgeon 43 that fascinates, avoids gudgeon 43 long term high temperature loading fatigue deformation of fascinating.
By the production technique of the synthesizer of continuous hot type fused corundom, it comprises the steps:
1, to the first fragmentation of raw ore, rear screening, again mixture, realize raw material homogeneous object, wherein 1.1, it is broken again that the ore that screen overflow is greater than processing requirement particle diameter returns crusher; 1.2, the particle diameter meeting processing requirement in screen underflow divides and is stored in assistant ingredients feed bin enters high-temperature calcination kiln after metering, mixture, homogenizing; 1.3, do not meet the fine powder throwing stove requirement in screen underflow and remove apparatus for making pearl ball, first make pellet after metering, mixture, homogenizing and enter in material dosing bin and participate in mixture and calcine.
2, calcination process, sends the bauxitic ore after mixture into calcining kiln 1 and calcines;
3, transmit, warm, the hot bauxitic ore after calcining is sent into feedstock transportation pipeline and transmits continuously forward, the auxiliary material that raw material cabin is 2 li drops on the hot bauxitic ore in transmission continuously, and is sent to furnace charge dispenser 3 therewith and carries out dispensing pan feeding; In the process of this transmission, high temperature bauxitic ore and auxiliary material carry out heat trnasfer, utilize the high temperature of bauxitic ore to carry out preheating to the auxiliary material under normal temperature state, eliminate the adsorption moisture in the middle of auxiliary material, guarantee that the high temperature of raw material enters stove; Particularly, 3.1, iron content auxiliary material is first undertaken preheating and mixture by entering preheating e Foerderanlage after metering; 3.2, carbon containing auxiliary material is undertaken preheating and mixture by entering preheating e Foerderanlage after metering; 3.3, other modified element materials are also undertaken preheating and mixture by entering preheating e Foerderanlage after metering; 3.4, the normal temperature ore entering storehouse 9 for subsequent use carries out mixture by entering preheating transport pipe 7 after metering; Preferably, adding in the process of raw material in feedstock transportation pipeline, computer controlled automatic feed proportioning system is also set, element is carried out to 1.2,3.1,3.2,3.3,3.4 metering conveying data and allocates gauge calculation into, determine and control the ration of various furnace charge, ensure electric arc furnace 4 smelt formula accurately, stable.
4, smelting process, the bauxitic ore after mixture and auxiliary material fall in electric arc furnace 4 from furnace charge dispenser 3 and react;
5, manufacture Finished product processThe, reacted hot melt liquid is poured in different Sheng bags and cools, thus obtained multiple corundum product.
Further, describedly bauxitic ore after calcining is sent into the step that feedstock transportation pipeline transmits forward continuously and also comprise: the bauxitic ore after calcining is sent into water cooler 8 continuously from calcining kiln 1 and cools, thus guarantee the continuity of production, this works when electric arc furnace 4 stage quits work, for guaranteeing the continuity of producing; Afterwards, more cooled bauxitic ore is transferred in raw material for standby storehouse 9 for subsequent use.
Further, the hot vapour produced in described transmission, warm step, hot cigarette import residual heat using device from off-gas recovery mouth and recycle, thus can further improve heat utilization efficiency.
Further, hot melt liquid after described smelting process step is arranged has kind of purposes to contain bag more, multi-assortment production problem is produced: use linerless Sheng bag 16 when producing A product, liquation rapid cooling slow hardening can be realized, rapid cooling coagulates soon, obtain the product of two kinds of different physical characteristics for solving a stove; Use have lining more molten bag 15 of containing enter again molten electric furnace 18 when reprocessing, the recycling of high temperature solution temperature can being solved, by adding smelting again of rare elements, obtaining multiple low cost high-grade products; Conventional products is used to contain bag when producing B product.
Prior art and technical characteristic of the present invention and the effect comparison reached as shown in the table:
| Sequence number | Technical characteristic | Prior art | Continuous hot type fused corundom device |
| 1 | Ore furnace charge is carried | Unidirectional normal temperature enters stove | Two-way alternating temperature, high temperature enter stove |
| 2 | Auxiliary furnace charge dispensing | Normal temperature enters stove | Auxiliary material preheating, high temperature enter stove |
| 3 | Enter furnace charge dispensing | Normal temperature is provided and delivered into stove | High temperature dispensing, high temperature enter stove |
| 4 | Short network arrangements | Conventional phase sequence arrangement | With phase sequence back and forth inverse arrangement |
| 5 | Electric furnace electrode quantity | Three electrode arc stoves | Six electrode arc stoves |
| 6 | Defeated furnace charge pipe | Metal charge pipe | Engineering ceramics furnace charge pipe |
| 7 | Liquation contains bag | Metal casing refractory materials serves as a contrast | Metal casing is linerless |
| 8 | Multi-usage liquation contains bag | Nothing | Molten Sheng is wrapped again |
| 9 | The flexible electric furnace of multi items | Nothing | Molten electric furnace again |
| 10 | Special structure bottom cupola well | Nothing | Stiffening web, cupola well supporting seat |
| 11 | Bonnet aiutage | Preposition single formula aiutage | The double inflator of side symmetrical expression |
In sum, the invention has the beneficial effects as follows: take continuous thermal technology means, meeting under product manufacture parameter request prerequisite, make full use of the continuous thermal in fused corundom synthesis technique flow process, improve heat utilization efficiency, make unit product power consumption fall more than 10% on a year-on-year basis, unit product power pole falls more than 10% on a year-on-year basis, and unit product hourly output improves more than 20% on year-on-year basis; Replacing with linerless Sheng bag 16 has the reduction of lining Sheng bag to contain maintenance packet expense, reduces tympaning to product contamination; Melt Sheng bag 15 again with there being lining and enter again molten electric furnace 18 by adding smelting again of rare elements, the recycling of high temperature solution can be realized, and multiple low cost high-grade products can be obtained, achieve the advantage of fused corundom synthesizer short route, maximization, automatization, low-carbon environment-friendly, and realize multi-product combination producing with a set of synthesizer.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (9)
1. the synthesizer of a continuous hot type fused corundom, it is characterized in that: comprise calcining kiln, feedstock transportation pipeline, raw material cabin, furnace charge dispenser, electric arc furnace, the cupola well seat of support electric arc furnace and the multiple Sheng bags for accepting hot melt liquid, one end of described feedstock transportation pipeline is connected with calcining kiln, the other end of feedstock transportation pipeline is connected with furnace charge dispenser, described raw material cabin is arranged on above feedstock transportation pipeline, and be connected by the middle part of pipeline with feedstock transportation pipeline, described electric arc furnace is positioned at the below of furnace charge dispenser; Described feedstock transportation pipeline comprises two-way transport pipe and auxiliary material preheating pipe, the inlet end of this two-way transport pipe is connected with described calcining kiln, the exit end of two-way transport pipe is connected with the inlet end of auxiliary material preheating pipe, and the below of this two-way transport pipe is also connected with a water cooler by pipeline; Described raw material cabin is connected with the middle part of auxiliary material preheating pipe, and the exit end of this auxiliary material preheating pipe connects described furnace charge dispenser.
2. the synthesizer of continuous hot type fused corundom as claimed in claim 1, it is characterized in that: also comprise the short net providing electric power and the transformer coordinated with it, described electric arc furnace adopts six electrodes to power.
3. the synthesizer of continuous hot type fused corundom as claimed in claim 2, it is characterized in that: described short net comprises twelve earthly branches transmission of electricity copper pipe, the secondary outgoing line phase sequence of described transformer is labeled on electric transmission copper tube section, by a1 phase, x1 phase, b1 phase, y1 phase, c1 phase, z1 phase, a2 phase, x2 phase, b2 phase, y2 phase, c2 phase, z2 phase is totally ten two phase composites, back and forth two row six row are formed against arrangement mode according to homophase, this 12 phase sequence and corresponding six electrodes are by (a1, z1), (a2, z2), (c2, y2), (b1, x1), (c1, y1), (b2, x2) group is to connection, electric furnace six electrodes runs according to star-double-delta connection mode.
4. the synthesizer of continuous hot type fused corundom as claimed in claim 1, is characterized in that: described electric arc furnace top is provided with a bonnet, is respectively equipped with an aiutage to this bonnet zygomorphy.
5. the synthesizer of continuous hot type fused corundom as claimed in claim 1, it is characterized in that: the cupola well both sides of described electric arc furnace are provided with the gudgeon that fascinates being supported in top, cupola well seat two side, be provided with stiffening web bottom the cupola well of electric arc furnace, described cupola well seat is provided with the cupola well supporting seat being supported in arc furnace cylinder bottom reinforcement.
6. a production technique for continuous hot type fused corundom, it comprises the steps:
Calcination process, sends the bauxitic ore after mixture into calcining kiln and calcines;
Transmit, warm, the hot bauxitic ore after calcining is sent into feedstock transportation pipeline and transmits continuously forward, the auxiliary material in raw material cabin drops on the hot bauxitic ore in transmission continuously, and is sent to furnace charge dispenser therewith and carries out mixture and send into material;
Smelting process, the hot bauxitic ore after mixture and auxiliary material fall in electric arc furnace from furnace charge dispenser and react;
Manufacture Finished product processThe, reacted hot melt liquid is poured into different Sheng in bag and cool, obtained multiple corundum product.
7. the production technique of continuous hot type fused corundom as claimed in claim 6, it is characterized in that, describedly hot bauxitic ore after calcining is sent into the step that feedstock transportation pipeline transmits forward continuously and also comprise: the hot bauxitic ore after calcining is sent into water cooler continuously from calcining kiln and cools.
8. continue the production technique of hot type fused corundom as claimed in claim 6, it is characterized in that: in described manufacture finished product process steps, different handbag of containing is drawn together linerless Sheng bag or melts Sheng bag again.
9. the production technique of hot type fused corundom as claimed in claim 8 continuous, is characterized in that: described reacted hot melt liquid pour into described in more molten contain bag after step also comprise, then this hot melt liquid to be sent in molten electric furnace again, adds modulation element and reprocess.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317451Y (en) * | 1997-08-25 | 1999-05-05 | 贵州天和磷业股份有限公司 | Six phase electrode ore-smelting electric furnace |
| CN101214985A (en) * | 2008-01-11 | 2008-07-09 | 陈宏亲 | Technique for preparing brown corundum |
| CN201770495U (en) * | 2010-08-30 | 2011-03-23 | 唐笃信 | Synchronous smelting and energy saving kiln of corundum |
| CN202757443U (en) * | 2012-07-26 | 2013-02-27 | 王凯 | Rotary kiln electric-arc furnace for directly extracting laterite-nickel ore |
| CN103105053A (en) * | 2013-02-25 | 2013-05-15 | 成都高威节能科技有限公司 | Six phase electrode alternating submerged arc furnace |
| CN203593635U (en) * | 2013-11-15 | 2014-05-14 | 张平 | Continuously-heating type fused alumina synthesizing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58130209A (en) * | 1982-01-29 | 1983-08-03 | Sumitomo Heavy Ind Ltd | Steel making method from reduced iron |
| JPS6141727A (en) * | 1984-07-31 | 1986-02-28 | Kawasaki Heavy Ind Ltd | Layout of melt reduction furnace installation |
-
2013
- 2013-11-15 CN CN201310571224.3A patent/CN103601225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317451Y (en) * | 1997-08-25 | 1999-05-05 | 贵州天和磷业股份有限公司 | Six phase electrode ore-smelting electric furnace |
| CN101214985A (en) * | 2008-01-11 | 2008-07-09 | 陈宏亲 | Technique for preparing brown corundum |
| CN201770495U (en) * | 2010-08-30 | 2011-03-23 | 唐笃信 | Synchronous smelting and energy saving kiln of corundum |
| CN202757443U (en) * | 2012-07-26 | 2013-02-27 | 王凯 | Rotary kiln electric-arc furnace for directly extracting laterite-nickel ore |
| CN103105053A (en) * | 2013-02-25 | 2013-05-15 | 成都高威节能科技有限公司 | Six phase electrode alternating submerged arc furnace |
| CN203593635U (en) * | 2013-11-15 | 2014-05-14 | 张平 | Continuously-heating type fused alumina synthesizing device |
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