RusosPatentes.com

Model plant of continuous steel casting. RU patent 2433015.

Model plant of continuous steel casting. RU patent 2433015.

FIELD: technological processes.

SUBSTANCE: invention relates to hydrodynamics of liquids flow in a crystalliser. The plant comprises a transparent crystalliser 7 with wide and narrow faces, a water flow reflector 10 in the form of comb cells 11, a casting reservoir 1 with a stop 2 and a casting sleeve 3 submerged in it 3 with output holes 4 for water supply into a crystalliser 7, a nozzle 12 with a header 13 for water discharge, two video cameras 15, 16 connected to a computer. The crystalliser 7 is made at the scale of (1/4÷1/3) relative to dimensions of the industrial crystalliser. The faces of the crystalliser 7 are made as narrowing to the bottom part at the angle α= 1÷1.5° to the vertical line. Video cameras 15, 16 are arranged with the possibility to fix flows of fluids that wash wide and narrow faces of the crystalliser 7. In the walls of the casting sleeve 3 there is a groove with a porous insert with permeable partitions filled with a dyeing fluid.

EFFECT: increased efficiency of fluid hydrodynamics modelling in the crystalliser.

3 dwg

 


 

IPC classes for russian patent Model plant of continuous steel casting. RU patent 2433015. (RU 2433015):

G01N21/85 - Investigating moving fluids or granular solids
B22D11/10 - Supplying or treating molten metal (B22D0041000000 takes precedence);;
Another patents in same IPC classes:
Method of determining transparency of flat light-transmitting print materials Method of determining transparency of flat light-transmitting print materials / 2427823
In the method, the analysed material placed on a black substrate is illuminated normal to the surface. A flat metallic mirror is placed under the analysed material as another substrate. After detecting relative reflected light flux, the coefficient of reflection of light by material placed on the black substrate Ro and the coefficient of reflection of light by material placed on the flat metallic mirror Rm is determined. Transparency dc of the analysed material is determined by the value
Turbidimetre Turbidimetre / 2408873
Turbidimetre has a cup with a perforated lateral surface, a hollow cylinder, a radiation source, a cover with holes and a radiation receiver. On the lateral wall of the cup opposite each perforation there is light-absorbing cap having a perforated lateral wall, and inside the cup there is a ⊥-shaped hollow rotor placed coaxially with possibility of rotation, in which are mounted a direct illumination light-emitting diode and a diode, light from whose output of which is partially scattered and partially absorbed in the light-absorbing cap, each of which has entrance and exit windows. The entrance windows of the light-emitting diodes lie opposite the radiation source, the exit window of the light-emitting diode, light from whose output of which is partially scattered and partially absorbed in the light-absorbing cap, lies opposite the perforation in the cup closed by the perforated cap, and the exit window of the direct illumination light-emitting diode lies opposite the radiation receiver. The light-emitting diodes can be made from metal or polymer material and have total reflection mirrors. The material of the light-emitting diodes can be optical fibre.
Method and system for monitoring in online mode Method and system for monitoring in online mode / 2372981
Invention relates to a method of measuring a set of technological parametres of a chemical process taking place in a chemical reactor. The method of determining at least one technological parametre of a chemical process taking place in a reactor 2, involves passing a sample of the process medium of the chemical process into a lateral circuit (20, 22, 24, 26, 34, 40, 42, 36) and isolation of the said sample from the remaining process medium in the said reactor; circulation of the said sample in the said lateral circuit and its thermal processing therein to the required temperature; taking measurements of at least one technological parametre of the said sample, chosen from viscosity, pH, conductivity, turbidity, and/or taking spectrometre measurements with provision for spectrometric data at the required temperature; controlling the chemical process based on the determined at least one technological parametre. The method is realised in a system which has an output 18 and an input 28; lateral circuit (20, 22, 24, 26, 34, 40, 42, 36), connected to the reactor 2 through output 18 and input 28, which enable passage of the sample of process medium from the said reactor 2 to the said lateral circuit and back to the said reactor; a device 30 for circulating the said sample; valves V1, V2, V4, V5 for isolating the said sample in the said lateral circuit from the remaining process medium in the said reactor 2; a device for thermal processing 46, 50, 52, V7 the said sample in the said lateral circuit to the required temperature; and a device for measuring 38 at least one technological parametre, chosen from viscosity, pH, conductivity, turbidity; and/or apparatus for measuring spectrometric data at the required temperature in the said lateral circuit and apparatus for controlling the chemical process based on the measured technological parametres.
Method of bulk solids mixture evaluation Method of bulk solids mixture evaluation / 2343457
Method of bulk solids mixture evaluation includes sampling from mixer, pressing of tablets, digital imaging of tablets, and evaluation of key component concentration and mixture heterogeneity. Calibration tablets with known concentration of key component are prepared. Digital images thereof are used to observe calibration brightness dependence of key component concentration. Further digital image of analysed tablets are broken up into cells of the same area to evaluate brightness of each cell. Then arithmetical mean of brightness in all cells is calculated. Calibration dependences are used to evaluate key component concentration in tablet. Heterogeneity coefficient of mixture sample is calculated by formula: , where n is number of cells; Ci is brightness of i-th cell; is arithmetical mean of brightness in all n cells.
Instrument for analysis of colloidal liquids and sols Instrument for analysis of colloidal liquids and sols / 2336519
Instrument for analysis of colloidal liquids and sols contains source of light and the following components installed along the direction of emission: condenser, light filter with different coefficient of transmission, reservoirs for analysed medium, photodetector that is connected with registering device via measuring circuit. Emission with different length of light wave (colour) with the help of light guide that is optical fibre, integral from the side of beams entry butt end and then fork-shaped bifurcated, is introduced into two lightproof and shaded form inside cups of instrument detectors, which have identical dimensions and volumes, below the bottom, and on top - covers with fixing brackets for tips of every branch of bifurcated light guide and micrometers. Holes are provided along generatrix on top and bottom of cups for analysed liquid entry into sensors and air exhaust during sensors submersion into reservoirs, on internal surface of covers segments of annular photodetectors are installed with transparent rings of their protection against analysed medium, which perceive level of scattering of emission by lateral surface of complete straight annular cone of Faraday-Tyndall. Value of linear displacement is measured with micrometers of clock type, leg of which rests on rocker. Electric value of emission scattering intensity in colloidal liquid is determined by two electric measuring instruments separate for every sensor, which are connected to the third one according to bridge circuit, which has zero in the middle and potentiometer, which is used in calibration of instrument according to liquid standard in both reservoirs by installation of pointer at zero with further replacement of standard liquid for analysed one in one of the reservoir. Extent of liquid correspondence to standard liquid is estimated by value of pointer deviation from zero to one side or the other. Quantitative and qualitative content is determined by adjustment of instrument according to standard medium and earlier available weight percent or volume content of ingredients, selection of light filters and their combinations.
Method of determining concentration of water in flow of water-oil mixture Method of determining concentration of water in flow of water-oil mixture / 2315987
Method comprises choosing the value of water concentration measured by one of the pickups depending on the current value of the parameter given in advance and determined by the properties of the water-oil mixture and supplying the results of measurements to display.
Method and device for analyzing loose material Method and device for analyzing loose material / 2298172
Method comprises generating high-velocity flow of loose material inside the chamber for analyzing, sampling the central part of the flow, and illuminating the material, and receiving the light by means of a spectrometer. The housing has open top end and confined outlet. The open top end is defined by the mutually intersected surfaces to form sharp edges that divide the flow into the branch that enters the housing and the branch that flows around the housing.
Device for spectral analysis of minerals Device for spectral analysis of minerals / 2285911
Device comprises means for illuminating the specimen of granulated mineral. The light reflected from the mineral is received and analyzed to obtain information on the composition of the granulated material. The specimen has bottom surface and top surface. The zone of illumination is interposed between the bottom and top surfaces.
Method of determining turbulent fluctuations of transverse flow velocity component of active mixture of co<sub>2</sub>-laser Method of determining turbulent fluctuations of transverse flow velocity component of active mixture of co2-laser / 2276351
Method comprises recording and processing the optical signal that carries information on the fluctuation of flow velocity of the active laser fluid of a CO2-laser. The relative fluctuations of the inverse wave are recorded, and d(v2) is determined from the formula proposed. The inverse wave is generated by the internal resonance of four-wave mixing on the nonlinearity of the coefficient of the active fluid of the laser.
Method of determining time of mixing loose materials Method of determining time of mixing loose materials / 2267117
Method comprises processing the image of the surface of specimens sampled from the mixing device each specified time interval. The maximum homogeneity can be judged by the minimum in the plot of the dependence of brightness of image color on duration of mixing.
Teeming barrel Teeming barrel / 2432226
Invention relates to metallurgy, particularly, to continuous metal casting. Teeming barrel arranged between ladle and mould has vertical channel with two webs 19, 20 arranged on channel bottom end and separator 29 arranged between said webs, at the center. Inner walls 23, 24 of said webs are concaved and arranged to create converging metal flow from outlet channel while outer walls 21, 22 are convex. Separator walls 27, 28 and web walls 23, 24 represent irregularities made up of ledges or recesses. Another version of teeming barrel 26 has vertical channel with lateral outlets 51, 52 made on its lower end. Teeming barrel surfaces 54, 55, 56, 57 located at the level of or below said level of lateral outlet top level have irregularities 54a, 56a.
Producing ingots from aluminium alloys by semi-continuous casting / 2430807
Invention relates to metallurgy. Proposed method comprises adding rod-like aluminium oxide particles to crystalliser melt. Said rod is produced in placing aluminium alloy granules into container for them to be heated and formed with crushing granule oxide film to dispersed particles on fitting rod in die hole.
Method and machine for porous metal strip production Method and machine for porous metal strip production / 2426619
Invention relates to continuous metal casting. Proposed device comprises two-roll casting machine, performing agent feed assembly 9 arranged between crystalliser rolls 3, 4 in plane parallel with axes of said rolls, metal pipeline for lateral feed of fluid metal 5 to said rolls that includes chute 7 and intake bin 8 with walls 11, 12, 13 and 14 that stay in contact with crystalliser roll surface. Refractory web 7 is arranged at the center of chute 7 on intake bon side. Proposed method comprises feeding metal 5 into intake bin 8 and feeding powder-forming material in zone wherein crystalliser rolls 3, 4 entrap metal 18. Fluid metal 5 is fed into said zone 18 in two flows on both sides of powder-forming material intake assembly 9. Strip is drawn in top or bottom direction. Air, inert gas, powder strip or wire may be used as powder-forming substance.
Distributor to be used in metal casting Distributor to be used in metal casting / 2416487
Invention relates to metallurgy. Distributor 1 comprises bottom and wall including lengthwise 20, 21 and crosswise 10 sections, all being made of metal. Bottom and wall crosswise sections have outlets 7, 8, 9, 11 and 12. Distributor is provided with two deflecting plates 17, 18 arranged between bottom holes 7, 8, 9 and wall lengthwise sections 20, 21. Deflecting plates 17, 18 are arranged in cone-like manner with taper toward wall crosswise section 10. Said deflecting plate form a channel nearby metal inlet into distributor to allow metal flow in direction of lengthwise sections 20, 21 that have outlets 13, 14, 15 and 16. Deflector is arranged on the bottom, behind bottom hole and along metal flow.
Method of producing continuously-cast steel billets Method of producing continuously-cast steel billets / 2416486
Invention relates to metallurgy. Proposed method comprises metal casting into crystalliser, shaping the billet by squeezing and gauging its surface, and continuous pushing the billet out. Squeezing and gauging is performed with the help of crystalliser with its two walls reciprocating and two inclined walls revolving. Control over metal level in crystalliser is performed with the help of SHF electromagnetic waves emitted by generator. Signal is recorded by oscilloscope and processed by ACS. Billet shaping is started ay crystalliser metal level of H1=(0.25-0.35)H, where H is the height of widened section of top inclined walls.
Method of continuous casting of cylindrical ingots from aluminium alloys Method of continuous casting of cylindrical ingots from aluminium alloys / 2414324
Invention relates to metallurgy. Proposed method comprises melt spray feed into crystalliser via distribution cone to meniscus in horizontal direction, and ingot drawing. Rate the melt effuses from distribution cone holes at makes 0.23 - 0.30 m/s. Hole cross section area and the number of cone holes are calculated by claimed formulas.
Procedure for production of continuous cast work piece of upgraded quality Procedure for production of continuous cast work piece of upgraded quality / 2407606
Procedure consists in steel melting, in refining, modifying, in casting into crystalliser and in introducing macro-coolers into crystalliser. The macro-coolers (Mc) correspond to melt band steel elements of 0.4 to 2.8 mm thickness. Simultaneously with macro-coolers modifiers (Mm) are introduced into the crystalliser. Summary amount of macro-coolers and modifiers is (Mm+Mc)=(0.0004÷0.009)Ms at ratio Mm:Mc≤(0.003÷0.7), where Ms - is weight of steel in the crystalliser.
Method of electromagnetic holding of melted metal in horizontal casting machines and method to this end Method of electromagnetic holding of melted metal in horizontal casting machines and method to this end / 2405652
Invention relates to continuous casting of metal strip. Proposed device comprises two casting rolls R1, R2 that can receive melted metal M along horizontal axis. Vertical distance separating said rolls defines casting zone. Electromagnetic holding device 15 is arranged on every side of casting zone to hold back metal edge. Said device comprises induction coil wound on magnetic element with its poles located outside of casting roll flat lateral wall and is aligned with it.
Method of modification of continuously cast steel Method of modification of continuously cast steel / 2394664
Proposed method comprises adding powder modifying agent under metal jet during casting in amount of up to 0.1 % by weight in terms of refractory ceramic particles. Said modifying agent comprises 50-90 wt % of refractory ceramic particles cladded by substance-protector. During first 1 to 10 min of casing, modifying agent is added in amount of 0.03 to 0.06% by weight of cast steel weight for said period in terms of refractory ceramic particles, while, in subsequent casting said agent is added in amount of 0.003 to 0.03% by weight of cast steel for said period in terms of refractory ceramic particles. Modifying agent feed is terminated 0.5 to 1.0 min before termination of casting.
Method of metal stream protection during teeming Method of metal stream protection during teeming / 2391179
Invention can be applied in metal teeming with steel teeming ladle to intermediate ladle during continuous steel casting. Method involves protective gas feed under pressure of 0.4-0.6 MPa around metal stream. Protective gas jet is subjected to acoustic vibration at 100-4000 Hz frequency, which results in acceleration of protective gas diffusion into metal. Protective gas consumption comprises 100-10 l/minute.
Apparatus for preventing crater formation Apparatus for preventing crater formation / 2245217
Apparatus includes bottom and lateral wall forming outlet opening arranged opposite relative to bottom and having mounting portion for fastening apparatus in bottom of metallurgical vessel for casting metal with slag. Said lateral walls are provided at least with two through openings. Outer lateral walls are mounted in such a way that there is gap between outer and inner lateral walls. Height of outer walls is less than that of inner walls. Lower level of through openings is spaced by distance h (mm) from bottom of metallurgical vessel; said distance is determined according to condition h > h1 + h2, where h1 - distance between end of outer lateral wall and bottom of vessel, mm; h2 - height of slag layer over metal in metallurgical vessel, mm. Height of inner lateral walls is to be more than that of outer lateral walls by value no less than height of mounting portion of inner lateral walls.
© 2014 RusosPatentes.com