SU996492A1 - Method for controlling autogenous smelting of ore - Google Patents

Description

The invention relates to methods of automated control, in particular to the automated control of autogenous ore smelting process, containing mainly sulphides of non-ferrous metals and iron, and can be used to control the processes of oxygen-suspended smelting of ore and the conversion of copper and copper-nickel matte.

The closest to the invention to the technical essence and the achieved result is the known method of controlling the process of autogenous smelting, including measuring the values of the current consumption of oxygen, ore, siliceous flux, preliminary determination of the required amount of ore, siliceous flux and oxygen depending on the chemical composition recyclable materials. Ll3 The disadvantage of this method is the relatively low extraction of nickel, copper and cobalt.

The purpose of the invention is to increase the recovery of nickel, copper, and cobalt.

The goal is achieved by the fact that in the method, including oxidative blowing, supply of ore.

siliceous flux, discharge of melting products, measurement of the value of the current oxygen consumption, ore, siliceous flux, concludes in the preliminary determination of the required quantities of ore, siliceous flux and oxygen, depending on the chemical composition of the processed materials, additionally measured mt current values of waste gas consumption and the oxygen depletion in them, the amount of slag melt formed during the time between measurements, and the silica content in it, determine the rate of magnetite formation, absorption the formation of non-oxidized iron sulfide, the transition of iron sulfide into the slag melt, the consumption of iron sulfide for the formation of

20 magnetite, by which the rate of magnetite reduction and the rate of dissolution of silica are determined, and the composition of the slag melt and the stabilization of the temperature are carried out by controlling the consumption of ore, silicon flux and oxygen. In addition, this goal is achieved by calculating specific parameters for specific mathematical objects.

30 KIM expressions. As an example of the method implementation, an automated control system for the process of autogenous smelting of ore is considered. FIG. 1 shows a flow chart of an automated process control system (APCS) for autogenous ore smelting implemented in the Proposed method; in fig. 2 - dependence of the temperature of the slag bath on the amount of assimilated oxygen; in fig. 3 - dependence of nickel and cobalt content in autogenous smelting slag on silica content in slag melt; in fig. 4 is a flowchart of the algorithm for calculating the magnetite recovery rate; in fig. 5 is a flowchart of the algorithm for calculating the rate of dissolution of silica). Fig. b - algorithmic structure for controlling the process of autogenous smelting; FIG. 7 is a flowchart of a control algorithm for the process of autogenous smelting of a row; in fig. 8 g - the structure of the computing complex. The system consists (Fig. 1) of an autogenous smelting apparatus 1, a control computer (UHF) 2, a sampler 3, a physical composition analyzer 4 (ABC), a level gauge 5, a waste gas flow sensor b, a gas extraction device 7, a sensor 8 oxygen content. In exhaust gases, sensor 9 for oxygen consumption,. oxygen consumption regulator 10, oxygen consumption regulator 11, oxygen content 12 oxygen in technical oxygen, dates. Chika 13 ore consumption, ore consumption regulator 14, regulator 15 of ore consumption, sensor 16 consumption of siliceous flux, regulator 17 consumption of siliceous flux and regulator 18 consumption of siliceous flux. The signal g for the flow rate of technical oxygen () is supplied from sensor 9 to controller 10. The signal from controller 10 acts on regulating. organ 11, changing the flow of oxygen. The ore consumption signal (Gp) is fed from the ore consumption sensor 13 to the regulator 14. The ore consumption is regulated by acting on a signal from the regulator 14 to the regulator body 15.. A silicon flu flow rate signal (Ggfo) is supplied from sensor 16 to silicon flux flow controller 17. The flow rate of the siliceous flux is regulated by the action of a signal from the regulator 17 on the regulating organ. At the ACU, at the same time, the corresponding signals from the sensors are given: 6, 8, 12, 13 and 16 flue gas consumption; oxygen content in waste gas search; oxygen content in technical oxygen; ore consumption of siliceous flux, UVM from the analyzer 4 of the material composition receives information on the content of the main components of the ore, siliceous flux and slag autogenous smelting. The signal from the ACU establishes the optimum oxygen consumption by affecting the setpoint of the regulator 10. The optimal oxygen consumption takes into account the rate of magnetite reduction and the rate of silica dissolution. The melt level is measured to determine its quantity from the known geometric dimensions of the autogenous smelting apparatus. Information on the current chemical composition of the materials being processed and the melting products produced is fed to the input of the control computer (CCM) from the analyzer of the material composition, and the oxygen content in technical oxygen and exhaust gases from the gas analyzers. Specified The chemical composition of the slag enters the control room with the help of a manual input device. The signal about the level of the melt enters the CCM from the level gauge. On the basis of information on the flow of technical oxygen 2, the oxygen content in it, the discharge of exhaust gases Qj, and the oxygen content in them C ° ic, taking into account the measurement moment T, the lag time T (transport and capacitive), the amount of doubled oxygen the time between T measurements, as well as the average speed of oxygen recovery. The amount of assimilated oxygen between two measurements over a period T is equal to ° / se- () 4x-VCV Oor. Ooo de At - quantization time for, T: those og. D1. If the replacement time G is denoted by TV,, then - t - v - t 1 .. The average rate of absorption of oxygen over an interval of LT is equal to a mustache (sr) dt L – ° ° 9 ° 9 20 „C td% -)) Chrb r- g- The amount of oxygen absorbed per hour, shift, day is determined by ° 2% Oa (,. (Gtech b (, m, shift, sug), dt where1 (4, shift, day) - the unit operation time during one hour, shift When determining the amount of assimilation of oxygen per hour or change (if the change is 6 hours), or a day, respectively, instead of an hour, change, days are recorded 1, b, and 24. In the booster pumping system, the netite formation rate () is the unoxidized formation rate iron sulfide: and the rate of consumption of iron sulfide for the formation of magnetite (.gn and the transfer of magnetite to the slag melt () during waiting for measurements (DT determine the rate of magnetite reduction () -, oUw. The rate of formation of magnetite, determined by the average rate of absorption of oxygen (G ° | g (cpj) is equal to / f oSp 3CBtcp) The formation of non-oxidized iron sulfide is determined on the basis of information on the rate of formation of iron sulfide from the ore (G) and the rate of iron sulfide consumption for the formation of magnetite (s), and are described by the expression FeS. {., Fe5 neo-acid. bp.min.The rate of consumption of iron sulfide for the formation of magnetite (determined by the average rate of formation of magnetite 45; .. rH-Vplop) The rate of formation of iron sulfide from ore (tj.) is determined by the amount of ore .G p and the content of iron sulfide in ore {Xr. C ,, oiapx; “. The percentage content of magnetite in the slag melt is determined on the basis of information from the analyzer of the material composition about the silica content (Ushl) in it during the time between S1m measures (T) and is described by the expression o O 5iO l --V The rate of magnetite transition in the chl. The molten melt () is determined from the information on the rate of formation of the slag melt (Vuin) during the time between measurements (dT) about the magnetite content in the slag melt () and is described by the following expression Fe O and o, oiw The rate of magnetite reduction () is described by expressing Fe ° 4 ° 4 ° Fes 4 ° C ° - ° C - Gokiol -. The free term of equation (O) is determined by the rate of oxygen absorption and, depending on it, is determined by the following expression. O, Og, 82fe & ,, 02 with “OiG ,, j,. ° 2 ° 2 D-101.02-0.82, at C ,,. Silica flux flow rate signal (G5i02 is supplied from sensor 16 to silicon flux flow controller 17. Silicon flux flow rate is controlled by applying a signal from regulator 17 to regulator 18. The silicon flux flow signal is simultaneously sent to UVM. Silicon flux optimal value. flux is determined by the effect of the signal from the ACM, taking into account the rate of dissolution of silica) on the installation of the regulator 17. The rate of dissolution of silica is determined by information about the rate of transition of iron sulfide () in the molten melt and the rate of transition of magnetite in the molten slag (0 4) Fes "3 ° 4 0.9S. 4. The rate of transition of iron sulfide into the slag melt () is determined from information about the rate of assimilated oxygen and is described by the following expression. . (cp, °. (cp, r The proportionality coefficient bj is determined by the amount of assimilated oxygen, determined by the following expression V-O. 2.2 when Veccp) V- °° 4X .2,724 at, cv (

P9s04

C-O. .2.544-when u ,,, j, p, -W) -144;

3

. P vceccpf b ° 4

B5--0, hp-hb with:, -. L30-1Mj in UVM based on information about the average total rate of oxygen assimilation (G eicp) of the image rate. additional magnetite (the rate of reduction of the additionally formed magnetite FeAG-Og. oLTUonf SScetcpj epiAon is determined) -, The total absorption rate of the acidic species is determined from information on the oxygen absorption rate average () and additional oxygen consumption (unit 7 (ep)) VCBtCp) lcp) AOn (cr) The rate of formation of additional magnetite is determined by the average rate of oxygen uptake V grp: 1, cf) .02 obriopG leCcp) At UVM based on the information on the total rate of magnetite transition to slag melt (W G schd) and speed Slag melt (Wyjrt) is used to determine the total content of magnetite c. slag melt, V ° 4 The total rate of transition mag: netite in the slag melt is determined according to the information on the rate of the transition of magnetite into the slag melt (Qyf 4 and the rate of transition into the slag melt of the additionally formed maitite (,) g - --34 -3-4 XL LyoPG: The rate of transition of 1gnetite into slag melt is determined by the information on the rate of formation of the slag melt (Mt, g) and the content of magnetote in the slag melt: PeA04 X.

The slag melt formation rate (,) is determined by. information from the gauge on the amount of slag melt (s) formed over the time between eamers (AT)

C) L

W

on the basis of information on the prescribed amount, silica in the slag melt (Q.pJ,) and the total amount of slag melt (CO) formed after the supply of the missing amount of siliceous flux is determined in UVM, the total silica content siOj a. The regular amount of silica in the so-called melt (th „1P2) is determined by the amount of slag melt (QUJ) and the proportionality coefficient If, reflecting the regulated rate of formation of the slag melt, SIO Aregl -25 p: The total amount of slag melt () is determined according to the information about the amount of slag melt (Ssp) and the lacking amount of siliceous flux (Cl,) Cu Q tQ P. The missing amount of siliceous flux (O.) is determined from the information on the missing amount of silica in the slag melt (Quo /) and the proportionality coefficient reflecting the silica content in the silicon flux. KR.FL 9SH2 weeks 1 week The missing amount of silica in the slag melt is determined by the information on the scheduled amount, silica in the slag melt () and the amount of silica c), 5102 SiOg Si02. weekly The rate of dissolution of silica and the rate of reduction of magnetite are functions of the amount of oxygen absorbed. Temperature dependence. The slag bath on the amount of assimilated oxygen is linear (Fig. 2). The content of nickel and cobalt in the neck of autogenous smelting is a function of the silica content in the melt (Fig. 3). Therefore, controlling the rate of magnetite reduction and the rate of silica dissolution allows stabilizing the temperature and the content of nickel and cobalt in the ischeel bath Block 19 (Fig. 4) Swing. The source data comes from the algorithm for collecting and preprocessing information. Sampling of the slag melt is carried out by a sampler, from a depth of 50-100 cm from the surface of the melt 30 minutes after the initial measurement of the level of the bath. The sampling, sampling and analysis of the sample in the analyzer of the material composition is 15 min. The level of the donkey melt formed during the time between the measurements of pi is measured by the level gauge. The surface of the slag melt (5,). In block 20, the determination of the average rate of oxygen assimilation during the time between the measurements of the NW DT L V "5e {Cf} T) 4x - or (V) Cor T in BYAoka 21 is carried out to determine the average rate of formation of magnetite U 145 C. Offptcp) vCBl cp) In block 22, the determination of the consumption of iron sulfide for the formation of magnetite FeS "e4 o6pwrM o5plcp) is made. In block 23, the determination of the rate of formation of geleum sulfide from oi. Oivr is carried out. In block 24, the iHfe rate of formation of non-oxidized iron sulfide feS is determined, .FeS -Fes neo-acid% 6p.wrH In block 25, the percentage of magnetite in the slag melt Pe O Si Ol-0- is determined. block 26, the determination of the rate of transition of magnetite to the molten slag H; In block 27, the free term (o) of the equation for the speed of magnetite recovery at 130 is determined by the formula D 0.83G –HOT, at 130, the free term of the equation is determined by the formula 0 101-0.83G, g. In block 28, the determination of the magnetite recovery rate is made using the formula "e ,,, - oo." In block 29, an array of parameters is created for printing the indicators of the autogenous smelting apparatus. In block 30, the values of the indicators are printed. Block 31. End. The processing results of the algorithm are used to control the speed of magnetite recovery. Block 32 (Fig. 5). Start. The source data comes from the sensors and is processed according to the algorithms for collecting and preprocessing information. in block 33, the determination of the average rate of oxygen absorption during the time between measurements 4T L - -S vceltp) flT & Tex) 4ex-Qo /): ZT in block 34 determines the rate of transition of the iron sulphide into the slag melt Ppc O, / 02 5 C 0 "8 vcBtcpr °° -2l vce (cp) / In block 35, the percentage content of magnetite in the slag melt 5, -0, l b is determined. In block 36, the rate of transition of magnetite to the slag melt of L 0 is determined. In block 37 the formula for calculating the proportionality coefficient b is determined, and with oxygen uptake of 165 b - 0 ° C with the assimilation of oxygen 145 -SG 4 14b2-0.074K +2.724; with the assimilation of oxygen 140 C 14 RbaOf, OELS /% 2,544; with the assimilation of oxygen 135 G, 13 1, z-0, + 2,324-, with the assimilation of oxygen 130 G, 13. , ОИХщ +2,176. In block 38, the coefficient b is determined. In block 39 a determination is made of the rate of dissolution of silica, .- .., C54. . In block 40, an array of design parameters is formed for printing the process values of the authagen smelting process. . In block 41, the values of the indicators are printed. Block 42. End. The processing results of the algorithm are used to control the rate of dissolution of silica. The automated process control system for autogenous ore smelting is provided by the following algorithms (Fig. 6): sensor polling algorithm; information processing algorithm; algorithm for determining the performance of the process; an algorithm for determining the amount of melt in the time between measurements; an algorithm for determining the current and predicted rate of dissolution of silica; an algorithm for determining the magnetite recovery rate; an algorithm for determining the missing amount of silica; an algorithm for determining the content of nickel and cobalt in the slag; an algorithm for determining the rate of absorption of oxygen; an algorithm for determining the prescribed rate of magnetite recovery; an algorithm for determining the prescribed amount of silica. Block 43 (Fig. 7). Start. The source data comes from the sensors and is processed according to the algorithms for collecting and preprocessing information. Block 44. Alarms. Turn on the gauge. Block 45. Waiting for min. Waiting time is used for other tasks. In block 46, the sensor is polled. Formation of the value of the bath level signal (VI1) during the time T ..,; the formation of the value of the bath level signal over time Tg (IV2). In block 47, the melt level (USL) and 51н уВ1-ib2 are determined. In block 48, the amount of melt formed during the time between measurements, .G, USl.CT, is determined, where, 8 m; , 86 m; , 5 t / m3. In block 49, the analyzer is analyzed; determination of silica content in the slag melt (). In block 50, the magnetite content in the slag melt (xff) HSHA - is determined. In block 51, the rate of transition of magnetite into the lacquer melt, o. in block 52, the average rate of oxygen assimilation is determined during the time between measurements dT yce.tp) Ji-r On o, o, o „1 foKx (i)) 4r

In block 53, a comparison is made. The speed of the assimilated oxygen is greater than or equal to the procedural one: Yes () go to block 80. No — the speed of the assimilated acidic is less than the prescribed (, reg. Reg.) - go to box 54.

B, block 54, the determination of the rate of transition of iron sulfide to the slag melt

FeS /:

.00H

+ 7T.

Sv (Wed) /

Block 55, a formula is determined to calculate the proportionality coefficient (b) depending on the amount of assimilated oxygen at 150-165 kg / min.

Res04

V-0. ° V 2.92,

.02

Р в (srH kg / min L.-0.0-4X, .., .1.724-, with, pj 140-144 kg / min RhoOD, 0fc9xj + 2.544-, 135-139 kg / min P «Vetcp,, 064 Хцl + 2,324; with G, - pj 130-134 kg / min l3jC-0, Ob-fXu ,, nb. In block 56, the implementation of the coefficient b-. In block 57. the silica dissolution is determined; 510 ° Pe Pe -0 , wg. In block 58, the cue calculation of supplementary oxygen takes place), at 130

L-B - L AOP regla

In block 59, an additional amount of digested oxygen is determined (Q, which is produced by 5

similar to the definition of the average rate of assimilation of oxygen C yceCtpli

l o2

Oj von

additional LT

In block 60, the average total oxygen uptake rate is determined.

0

Her

02

Ooh

) Aontcpr

In block 61, the velocity is determined.

5 Formation of Extra Magnetite

 02 -.5C, add. (Wed) .An1

20

In block 62, the rate of reduction of the additionally formed magnetite is determined.

 Fg

3%

io ,, 0028G. ,,

: ptcB)

JOS (AOP)

block 68 determines the total 60 rate of transition of iron sulfide into the molten slag

. (,.

t + 77.

0,0014 G.

shl

The VCB in block 63 determines the rate of transfer to the slag melt of the additionally formed magnetite u -G -G. Slag (aux) Sample (Aop) Boc (Aon) In block 64, the total rate of magnetite transition into the slag melt is determined. In a block 65, the total magnetite content in the slag melt FejO — Slag is determined. ) X fOO — shl In block 66, a calculation formula is determined for calculating the coefficient of proportionality (L-) at 150165 kg / min. Cv (cf) In block 67, the coefficient C of FegO is determined. 2.92.

In block 69, the predicted rate of dissolution of the silica is determined.

EFeS. EU

Bioj

Vb .. W 0,9G,

In block 70, the amount of slag melt is determined, formed during the time between measurements (DT), block 71 is determined by the amount of silica in the slag melt 510 "ShdV block 72, the determined amount of silica is given in the slag melt SiO% f at a slag melting rate of 434–560 kg / min equal to 6 In block 73, the lack of silica in the melt SiO S-iOj SiO is determined perA tiiA, which corresponds to the amount of siliceous flux to U In block 74, the total amount of slag is determined. melt after filing is not enough guide credit amount oily flux St. "" a "" a:;: r in block 75 is determined by the containing of silica in the slag melt SiO IZY -100 - SL At block 76 the content definition nonferrous metal smelting slag Autogen hydrochloric produced graphically in FIG. 3 Ni-f.iSiO) -, Co 2 (Si02). In block 77, an array is formed. In block 78, the array is printed. Block 79. End.

In block .80, the rate of magnetite formation is determined.

Rbso

Claims (5)

Vp-Sceicp) in block 81 determines the rate of consumption of iron sulfide for the formation of magnetite FeS.  . , p ° 2. mn o5p1cr1B, block 82 determines the rate of formation of iron sulfide from ore, o. . H.  In block 83, the rate of formation of non-oxidized iron sulphide FeZe g Fes Fe5 not oxidized P is determined. rn In block 84, the free term (o) is determined by the equation, 82bG ,, 02.  In block 85, the rate of magnetite reduction S ° 4 PeSL Voox EOMSlSl-O is determined in block 86, the prescribed rate of transition of magnetite to the lacquered Fe C melt is determined, and the regular rate of magnetite recovery is determined in block 87.  in% ° 4 -o77g PE. gpe5.    . BOC (regla) o5p oKMCA mACperM In block 88, the magnet restoration speed () is compared with the regulatory one (Wg. ,)  : f;, -, - transition ° d "lo; 1 ° C ° ° ° In the structure of the computing complex (FIG. 8), the following meanings are accepted: - slag temperature of autogenous smelting, C; - matte temperature, CJ TSt - amount of high sulfur GR1, GR2, GR3 of that ore loaded from three bunkers, respectively; GFl, GF2, GF3 the amount of siliceous flux loaded from three bins, respectively, is the amount of matte; - amount of slag; -the amount of oxygen supplied; -oxygen content in "exhaust gases; - amount of flue gases; - slag level in the autogenous smelting apparatus; - matte level in the autogenous smelting apparatus; USL, USU; photobuds for slag; USt, USt2 photosensors for, matte 89 -display module (DM-500); 90 and 91 - fast data transfer module (MBDC), intended for the exchange of information between VK-printing device with key (CPC A531-3); - input device from a tape (UVVPLL A4 1-4) - galvanic isolation module (PLAY 622-9) No. 5; - module for input of initiative signals (MVVIS A622g-8 No. 6); - I / O coupler (A151-6, No. 1), designed to increase the number of peripherals connected to the processor; - module for galvanic isolation (IGR A622-3 No. 6, 7); - I / O module; MDI multiple signals MVVDS (A641-12), -controller calculator per machine) -number-pulse-signal input module (MVVCHIS A623) -, -I / O input balancer {CBB A151-6, No. 2) - normalization and filtering module ( MN Ab13-1: - contactless switch (KB A612-11); - analog-to-digital conversion module (MAC A611-19), modules: normalization and filtering module MN (A613-11), contactless VK switchboard for input of analog signals (А612-11), the module of the tax-digital conversion of the ADC (А611-19).  Current signals from the temperature transducers of the AP slag, donkey dump and matte are supplied to the input of the MV to convert to voltage and filter signals from Pymeh.  KB is designed for switching DC voltage signals.  The latest sig conversion Binary code voltage and the delivery of results to a computer complex (VC) is performed using the MACP.  For input of discrete signals, the following are received: 1 input modules: input modules, pulse-numbered signals MVVCHIS (A623-3) {input modules of initiative signals of MVVIS (A622-8); I / O modules of discrete signals MVVDS (A641-12); MGR galvanic isolation module (A622-3). .  MVVIS provides input of initiative signals on call o6bekTa.  The binary-decimal code of the level gauge of the melt through the galvanic isolation module enters KVVS.  The display module is yes-500, it is necessary to use DI1F1J for the operative exchange of information by the operator with the VC, through a pair of MBPD modules and the I / O matching unit is connected to the processor.  MBDCs are designed to exchange information between the VC and the DM.  In the Cherskoy dispatcher, a CIDP is located for inputting information from punched tapes and a UPK for outputting textual information from VK.  In the examples of control of the process of autogenous ore smelting, the following routine data is accepted: sour ore consumption (Eregl) 517 kg / min oxygen consumption (Cp | dg Y 165 kg / min; regl silica dissolution rate less than 140 kg / min: magnetite reduction rate () not less than 129 kg / min; the rate of slag melt formation is 552 KG / MIN; the silica content in the slag melt is Ip 24–27%; the magnetite content in the slag melt plfL is not more than 20%; the iron sulfide content in the ore (70% of the colored metals in the slag autogenous smelting: Ni - 0.67- 0.73; Co - 0.094-0.098.  .  Based on the analysis of the technological process as a control object, the following indicators are taken as parameters that characterize the course of the technological process; oxygen consumption, the rate of silica dissolution, the rate of magnetite reduction, the rate of transition of iron sulfide into the slag melt, the silica content in the slag melt, the magnetite content in the type melt.  Based on this, control examples are based on the marked parameters,.  The rate of formation of magnetite 5 is regulated by the reaction key 4-. 04-SO,.  The rates of magnetite reduction and silica dissolution are governed by the reaction 3Fe, 0 4FeS + 5-siO 5 (FeOL5iO, + SO-.  342 V / Z Accepted: the time between the measurements of the level of the bath is 30 min, the time of selection of tombs, sample delivery and analysis in the analyzer of the composition for the content of Si O, 15 min.   N PRI me R.  THE ORIGINAL / OTHER RESULTS ARE ACCEPTED: the consumption of high-sulfur ore (Sregl) is 517 kg / min; average oxygen uptake rate (G, 2 |, cp)) 130 kg / min; the rate of formation of the slag melt (Wu,) 434 kg / min; silica content in the slag melt (30%.  The composition of the slag melt formed in minutes , d The content of magnetite in the slag melt is Fe, 0.  .  5, -0. .  X -07-tY, 7o.  / SHL - SL35 The rate of transition of magnetite to the slag melt is equal to ReLFe О Gi W 0.04Х, „434-0.01 - G4.7 L4kg / min. 40 times shl shl The rate of transition of iron sulphide into a donkey melt is (or, 0. °° 4% sbcr,) -0, L48150 + 0.00 (1H - ("OG + P :-( 2 kg / GLN.  The coefficient of proportionality pa-jQ veins Э ° 4 V-0.  f2 ,,, 1 -2476-1,28.    The rate of dissolution of silica 55 is Fes S ° 4 -O.   Vo, 9. 12 + -r. 2e-64 4 a, ,, „; 9b kg / min. 60 The rate of dissolution of silica (96 kg / min) is less than the regulatory (". .   .    140 kg / min), due to the presence of a significant amount of jelly sulphide. .  5 9220 over in the melt.  In this case, the main control parameter is the supply of an additional amount of oxygen to partially convert the iron sulfide to magnetite.  Additional consumption of oxygen is equal to „|„ -4cssrG “-“ to. , ™, P take the average rate of oxygen uptake calculated 2. AOP in CBM by the equation e, ---,.  , „, I O.  kg / min  Then the total rate of assimilation of oxygen is Ooo C ,, G, Von (.  The rate of formation of additional magnetite is equal to p. .  o (H45-30-4E5kgGmin Vos (add.) Aop (. Wed.  The recovery rate of the additionally formed magnetite is. K-with g 1g. -, - 1, l pppa g 1g BOC (Aonf / Go6p {Aon,.  0, PZ + 0.0028. 160J-43 kg / min.  The rate of transition to the slag melt of additionally formed magetite is equal to Fe. O, g 435-21 16 5 kg / min.  (d) SAOP) The total rate of the transition of magnetite to the slag melt is equal to / е5,, ez4 -, 4ИЬ ,, 5 kg, mN.  % L ShL SHL (AOn) The total content of magnetite in the lacquer melt is equal to r  l r-FeaOn Fe, 0, b-b. / 905,100. .  Shl SL limit coefficient C; 1 b. -0 ,,, 2,, 7.  The rate of transition of iron sulfide to molten slag is pggLlOn / u / l, - / + 77 W / jvD / 0, Ь4в. 10 + 0.001 - / 4 (, 5 kg / min.  The predicted rate of dissolution of silica is SiO, ElFeS V- ° o.    ; 0 9-2. 1.1-80.5 + 4,143.1 As a result, the dissolution rate of silica is higher than the procedural.  This allows for rational management of the technological process and processing of additional ore, thereby increasing the productivity of the autogenous smelting unit.  Determination of non-ferrous metal content in autogenous smelting slag.  The amount of the slag melt formed during the DT is 30 min.  ®. , , ; LT 4M-EO -1E020 kg, shl shl The amount of silica transferred to 13020 kg of slag melt is, “S where K is a coefficient reflecting the silica content in the slag melt (at Y. 2 30%, 3).  30 The amount of silica in the slag melt, which is required by the regulations, is determined by the following expression Q- -o 25 -Q +, 25- -6020 + L00 3b55 kg, 35 reg. The amount of silica in the slag melt (3906 kg) slightly exceeds the procedural (3866 kg).  With a content of 30% SiO in the slag melt, the content of non-ferrous metals in the slag of autogenous smelting is (FIG.  3) D; M1 0.65;  With 0.09, t. e.  there is a reduced content of non-ferrous metals. . 45 P r and measures 2.  The accepted baseline data: average oxygen uptake rate ((cpp KG / MIN; high-sulfur ore consumption (GP) 517 kg / min; formation rate of 50 slag melt (MSf) 434 kg / min; cement content in the slag melt (Y 21d ° 2) 16%.  The composition of the slag melt formed in minutes 55 The magnetite content in the slag melt is Fe. 04 "1L-0, 71. 1b. 3b;: s2ff%.  The rate of transition of magnetite in the slag melt is equal to C. ; H. la01X. 552. 0.01-85-138 kg / min.  c c c n c h t l c t m m d d m r d a m a n a n co m no s The rate of iron sulphide transition is that slag melt is equal to FeS ° si 2) (cp,) -0.648-130 + 0.0014 (130 ) KG / MIN.  Determination of proporionality coefficient; FeiQi t. -0,0b1 Хщ 2, ОА.  25 + 2, llbiO, feS.  Determination of the rate of dissolution of nitrogen; SiO PeS, W 0.9 Hz ,, °. -2- + 0, L5 104.5 kg / min.  The rate of dissolution of silica is distinctly different from the regulation Javnty, due to the presence in the slag layer, along with a significant amount of ferrous sulfide, a very tangible amount of magnetite.  The controls are carried out in two stages: the first stage is supplied with an additional amount of oxygen for the partial conversion of iron sulfide into agnetite; in the second stage, an additional amount of silica to be used up to the scheduled content of agnetite in the autogenous smelting slag.  iAdditional oxygen consumption Aven.  B: G -c,; . g 1b5kgMn-Wokf in.  additional regl vCBtcp).  .   35 kg / min. . The average oxygen uptake rate (G onicp) is determined by the CCM by equalizing 02. St.  yCBtcpV dT. . t:) C jjAt; r-L ° 2 02.  fe is 30 kg / min.  Then the total oxygen uptake rate is 130 + 30,160 kg / min.  The rate of formation of additional magnetite is 1.45G 1.45-30 kg / clay :.  obsaopg / 43.5 kg / min.  The recovery rate of the additional magnetite is equal to Res ° 4,. 002в & VOS (AOP} „L 23 (, 0028f60) -43.5 2 / kg / min. .  . .   The rate of transition to the slag melt is additionally formed, and its netite magnet is G,.  , 43,, 5kg / min.  SLR), The total rate of transition of magnetite to the slag melt is -.  5, 154, 5 kg | min.  The total content of magnetite in the slag melt is.   / e04 FSaO. ,, y-- (At u shl °° f, 00-5 2L99j28%.  Determination of coefficient b, l b. -0 ,,, OT28292: O. B.  The rate of transition of iron sulfide into the slag melt is Fes SCG (. er, fa48 - f6040, db (l4llbO). 5 KG / MIN.  .  Determination of the predicted rate of dissolution of silica,.   Fes. y-f.     - 09-2 + 09Ь-154 ,. 57th; 155KG / min.      The result is a predictable rate of dissolution of silica, which exceeds the regulations j yjg. Determining the insufficient amount of silicon flux to obtain a routine content (SiO) in the smelt melt.  The amount of slag melt formed during IT is 30 min, and W kg / min-bOMHHr-IbftOKr, lsl.  The amount of silica in 16560 kg of slag melt is equal to Q K Q гО, 1Ь-16560 kg of slag from melted} Q QL. . . d-0, Gb - / 65 BS 2650kg-.    where K is a coefficient reflecting the silica content in the slag BOM p, c ™ ,. e („Р„ 9224 The silica content in the slag melt required by the regulations is i2 ar5rd 0,, 25-. - (6450 + 6 (Yu 4NOkg.  The missing amount of silica in the slag melt is SiOj SiOg SiOHeA perl-Qshl 0-2505090kg, which corresponds to the amount of siliceous flux of a cr. fl 2 K2aHeA f, 43-20go 2989Kr.  ".  The total amount of slag melt after filing the missing amount of siliceous flux; is equal to S1 bcd 4C155: 165H0 2989 19549 kg, which corresponds to the total silica content in the slag melt of g-SiOo,.  Thus, the content of silica and non-ferrous metals in the slag melt corresponds to the routine (FIG.  3), t. e.   24-27} NiO, 75; Co 0.098.  f Example 3.  Accepted baseline data: sour ore consumption () 517 kg / min / average absorption rate of oxygen (G, | (cp) 165 kg / min; slag melt formation rate (W cld) 552 kg / min / content k | e mseem in slag melt The composition of the slag melt formed during the time min.  The magnetite content in the slag melt is Pe, 0 SiO –0.1–1, 36–25 ° C. The rate of magnetite formation in the slag melt is Pe 0 0, 45, 45, 5 (p, H). 45. % 5-239 kg / min.  The rate of transition of magnetite to the melt slurry is equal to p. l- ". . “-“ I38kg, „„ „.  The rate of consumption of sulphide glands for the formation of magnetite was L 1, - (3G (, 13-2Э9 210 kg (mission.  .  about 5r. mn OOP The rate of formation of sulfide from an ore from the ore is -zGip- 0.01 Xp 5 × 7-ODI-70 E56, Cdg | mitch.  The rate of formation of non-oxidized iron sulfide is. . - “8b, 3 kg / AI and.  Determination of the free term (0 for the equation for the magnetite recovery rate, 82L &. , 2gO, d2b-165-101, 21.  The rate of magnetite recovery is determined. . .  , 77-239 0.38fc, 3-138 t29,, 2 kg / min.  The routine content of magnetite in the melt should not exceed 20%, then the procedural speed of the transition of magnetite into the melt will be 4 4) (М рег) ° ° Рег regla - The regulatory speed of the reduction of magnetite equally. and Fe 0FCjOFe5 l 54 rte oxidized cl. Rsgl 0,17-239- | -0,3-е-3 - Г-10,4 + 29, kg / min.  The rate of reduction of magnetite (101.2 kg / min) is significantly lower than the regulatory (129.  kg / min ) in view of the significant ©, magnetite content in the slag melt.  The main control parameter is the supply of the missing amount of silica. .  Determination of the missing amount of siliceous flux to obtain the routine content of SiO2 in the slag melt.  The amount of slag melt produced in min.  S W dT 552 kg / min-ZOmin -ffeSfeOKr.  The amount of silica in 16560 kg of slag melt at 1 s 0.16 is equal to "sd-- & sl - 0. "560 2650kg.  The required silica content in the slag melt according to the regulations is Qr, 2S Q. ,, 4,600: 0.25- “URGING BOOTING GAS REGIONAL Too little amount of silica”.  In the melted slag, the melt is 4740-2650 2090 kg, which corresponds to the amount of siliceous flux: 43-2090 2989 kg  The dried amount of the slag melt after the supply of the missing quantity of silicon flies is (cf. 41L V ® NOT A LHBO + 2389-9549kg, which corresponds to the following total silica content in the slag melt. As in example 2, the silica and non-ferrous metals content in a smelt melt is equivalent. proceeds procedurally. .    .  PRI me R 4.  The initial data are: high-sulfur ore consumption (G) 517 kg / min; The average oxygen assimilation rate ((, -pj) is 165 kg / min; the rate of formation of the slag melt (R) 552 kg / min; the silica content in the slag melt () 30%.  The composition of the slag melt formed in minutes  The content of magnetite in the slag melt is.  X z-o. HY% 3b: -0.7 30 + 3b 14, sl The magnetite formation rate is O) 239Kr / Mi, H. The rate of magnetite transition to the slag melt is 14 kg.   00: shl shl Rate of consumption of iron sulfide and the formation of magnetite is 5p. . gn -; 2. The rate at which iron sulfide is formed from ore is equal to FeS FeS G, 0.01G, X z 5-11-0.0-1-70 356.3.  kg / min  The rate of formation of non-oxidized iron sulfide is FeS. -Fes Fee.  -act h 7p neoxyd-, gn-3i 3-270-bb, 3 kg / min.  Determination of the free term (for the equation for the rate of recovery of magnetite 02, Heb-C ,,,,. p (p, -107,; 82e% 5- (07.02 29.27.  The magnet recovery rate is Res04 - 0.   nGoxyl shl -G ,. . .  + D-ovv. - g 0.77 239 + 0, g-bb, 3-81, - (, 27 -f58Kr / MHH.  The rate of restoration of the magnet (158. kg / min) exceeds the standard (129 kgDin).  This contributes to an increase in the output of non-ferrous metals in matte.  Determination of the content of colored talls in autogenous melting.  The amount of melt formed in a time of min, kg / min  The amount of silica transferred to 16560 kg of the donkey melt 30%,, 3, is equal to BiO, - ,, - О. , where K is the coefficient reflecting the retention of silica in the hot melt.  The silica content in the slag melt, which is required by regulations, is determined by the following expression SiO, and C7.25-Q | jj + 600-0.25 - fb5b04600 4740Kr.   The amount of silica in the slag melt (4968 kg) exceeds the regular (4740 kg), hence the extraction of nickel and cobalt is higher than the routine one.  The content of non-ferrous metals in u ke of autogenous smelting is (fig.  3) D; M1 0.65. ; Co - 0.094.  The use of the proposed method allows: to increase the extracted copper, nickel and cobalt in matte by 8–10%, stabilize the temperature of the slag bath and lengthen the campaign of the autogenous smelting apparatus for 1520 days, to obtain slag autogenous smelting with a given amount of magnetite and silica; to stabilize the value of the main internal parameters of the process and to process an additional amount of OIL, thereby increasing the productivity of the autogenous smelting unit.  Claim 1. A method of controlling the process of autogenous ore smelting, including oxidative purging, supplying ore, siliceous flux, discharging smelting products, measuring the value of current oxygen consumption, ore, siliceous flux, which consists in a preliminary determination of the required quantities of ore, siliceous flux and oxygen, depending on the chemical composition of recycled materials, I distinguish y.  and by the fact that, in order to increase the extraction of nickel, copper and cobud into matte, the current values of the waste gas consumption and the oxygen content in them, the amount of slag melt formed during the time between measurements, and the silica content in it are determined The rates of the formation of magnetite, the assimilation of oxygen, the formation of non-oxidized iron sulfide, the transition of iron sulfide into slag decomposition. The consumption of iron sulfide for the formation of magnetite, which determine the rate of reduction of magnetite and the rate of dissolution of silica, and through them correct the composition of the slag melt and stabilize the temperature by controlling the consumption of ore, silicon flux and oxygen.   2. The method according to claim 1, characterized by the fact that the rate of reduction of magnetite is calculated using the formula Fes -. Vos 05b ",", - 5s ,, D), the recovery rate of gr. of magnetite, kg / min; djj / is the rate of magnetite formation, kg / min; neo-acid formation of non-oxidized iron sulfide, kg / min; the rate of transition of magnetite in the slag melt, kg / min; - free member. 3. The method according to paragraphs. 1H2, which is distinguished by the fact that the rate of magnetite formation is calculated from the formulaul sample (cf) j-i where rvj, gjj. average rate of assimilation of oxygen, kg / min. 4 .. The method according to PP V i and 3, that is, with the fact that the average rate of oxygen uptake is calculated by the formula W. Ncelcp) LT D. GO-O, O, 0.1 CKe.) El- “og P-M where dT--. Time between measurements, m (- absorption rate; acidly 0 kind, kg / kshn ;; Q technical acid flow rate V. measurement time, JAG / MIN} Cj-gj (- oxygen content in technical acid, Q |) - exhaust gas flow, time Tc-t-tr, kg / min - quantization time for r technical oxygen and waste gas consumption, MIN; with ° 2, the oxygen content in the exhaust gases is,%. 5. The method according to the FP. 1 and 2, about aphids and m and and. so that the rate of formation of non-oxidized iron sulphide is calculated using the formula FesFeS Fes neo-acid, which can be the rate of formation of iron sufide from ore,. kg / min; Fe5 magn sulphide consumption rate - iron for the formation of m netite, kg / min. B. The method according to claims 1 and 5, which indicates that the rate of formation of iron sulfide from ores is calculated by the formula . GP GP - ore consumption, kg / min;   iron sulphide content in ore,%. 65 / ОOn 4si , C - ° - 2Gvoe cp) 0.0 ° + 77. VCB (CP) 7. Method pop. 1 and 5, casting by the fact that the rate of descent of iron sulfide on the formation of magnetite is calculated by the formula Fe5. GAAP O6R 8. Method according to paragraphs. 1 and 2, which differs in that the rate of transition of magnetite into the slag rasav is calculated using the formula L and H 0. e and {beats - the rate of formation of flare. first melt, kg / min; X 3 "t the content of magnetite in the slag melt, kg / min 9. The method according to claims. 1 and 8, that is, so that the content of agnetite in the idlac melt is calculated by the formula, 1. de Usch is the silica content in the slag melt,%. 19. The method according to pa, 1 and 9, which is cast by the fact that the content of remnezem in the slag melt is determined after 20–40 minutes from the moment of the preliminary measurement of the level of the bath. 11. The method according to paragraphs. 1 and 2, characterized in that the free term is calculated according to the formula ° 2 ° 2 Dq, 82bC.g - IOl, 02 at, 4190, DM01.02-q.62b & ° Jg at 12. The method according to 1, characterized in that the dissolution rate of silica is calculated according to the formula 0., C.andA where w is the dissolution rate of Negam PG5 cream, kg / min; Sschd - the rate of transition of iron sulfide in the slag melt, kg / min i b, - - the ratio of the proportion. 13. The method according to paragraphs. 1 and 12, characterized in that the rate of transition of iron sulfide into the slag melt is calculated by formula 14. The method according to claim. 1 and 12, which differs in that the proportionality coefficient was calculated using the formulas -0.0Sl ° 2.920 for U Jeicpf Ot, -0.074X, 2.724 for s.145-У49Ьз - 0, 2.544 for Gg, r-HO-W Fe , o, 0 (A) (2,324 at vce (, 06P. 2,1-Tb at av5., 130-134 15. The method according to claim 1, characterized in that the recovery rate of the additionally formed magnetite is calculated according to the formula SHOW RVZO P, 73-KJ, 0028G, rest) 1C, d (cf. 1 o5p (mif. ° 2 with VCB (Cp) 5CB (CP)) G-1 j. (; r oSpCAonf) recovery rate additionally formed magnetite, kg / min average total vcv soon (cpG P oxygen assimilation, kg / m GJ - the rate of formation of additional magnetite kg / min, (((.pj- additional flow to the hornbill, kg / min. 16. Method pop. l, different y and in that the total content of magnetite in the slag melt is calculated using the formula G - b J, ./6304 Fe, j04 shlAOSP where, at the same time, GC is the total content of maetite in the slag melt,%, E04 Sfc - the total rate of transition of magnetite to the melt, kg / min; - the amount of slag melt during the time between measurements, kg. . The method according to claim 1, about tl and h a- and the fact that the total sleep of silica in the slag is calculated according to the formula Hx-Xioo Hi: volume ... went to the week si02 weeks SiOj Si 02 weeks reglab SiOa regl the amount of silica in the slag melt, kg, -, H - proportionality coefficient, reflecting the regular rate of formation of the slag melt; schd - the total amount of slag melt formed after the supply of the missing amount of siliceous flux, kgf - the missing quantity of siliceous flux, kg; - proportionality coefficient, reflecting silica content in siliceous flux, - insufficient amount of silica in slag Si O2 P asplave, kg; c1d is the amount of silica in the amount of slag, kg. Sources of information, e into account in the examination of the Copyright certificate of the USSR 91, cl. From 22 to 15/16, 1965. Lhltn S 1 I  jf W --P-I, 1G I C and I ui.1 fiH | t I X I Ittm fc L "dir rfe ijt er Colt (about l y KHHaf IWM, n / t Tptichesku fmi  W .., 16 18 To L 28 3B Compounding cremiesena $ n / iffSxe, y. ig.Z CAD Zy g j 25 ilff. 0I1, " dD J3 t 35 36 38 D / Phi1.§ A / iiffpumH counts, fa t S / fe measurements Dsgidtu upshi current and prpizniTips / eHffu scorch psc toori K1 ennesem11 MwpiifnH onijeSefleHu SoccinaHD $ / Kn magnetiti onpede mHuii Torition inadequate ifo / iumtnSa, to enoYeml toshpnom emeit svdertkani nt / and Hodajiwa / u // pte pftn oni eSeMHufi speed csSni; Kutjjopom, H  the determination of the ogpentsennost speed Mgrnitt divides kits kitshtsh to (enikzem 1 "4i Not 45 M J S 57 j 50 51 61 52 fwi.7