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JP3612679B2 |
To provide a mechanical for executing a stable and sure compressed recovering treatment improving the operatability and the durability in the slit mechanism for compressing by scraping out dross on molten metal in a furnace at the time o...
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JP2005003230A |
To inhibit the cooling of the molten slag at a molten slag discharge port in a combustion melting furnace mainly melting the ash.In this combustion melting furnace 46 wherein the molten slag 12 dropped from the molten slag discharge port...
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JP3606108B2 |
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JP3606107B2 |
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JP2004361025A |
To provide a slag ladle capable of manufacturing crystallized solid slag at low cost while eliminating the need for a slag heater.The slag ladle 1 comprises a bottom plate 3 and four faces of side plates 5 in inverted trapezoidal shape. ...
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JP3603657B2 |
To provide an adjusting method of a slag composition in a melting reduction of metallic oxide, by which the waste MgO-containing refractory is effectively utilized and the wearing of the refractory in a melting reduction furnace is restr...
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JP2004536773A |
In the method of applying a thin layer of metallurgical slag on a conveyor belt (2) that circulates endlessly, the molten slag is filled into an intermediate container (3) that can be heated by a burner (18) through a filling opening (4)...
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JP2004331412A |
To provide a granulation method which, in utilizing a waste slag as a building material such as concrete aggregate, does not need crushing even in forming the slag into fine aggregate having a small particle size and gives spheroidized p...
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JP2004316985A |
To enhance cooling capability by cooling water by eliminating an air reservoir in a water-cooled cooling drum of a position corresponding to a slurry reservoir part.This cooling solidifying device of molten slug has a hollow cylindrical ...
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JP3584434B2 |
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JP3582117B2 |
PURPOSE: To collect metal compositions in salts as a metal or a metal oxide and stabilize and try to be harmless by installing a process which processes incinerated ashes by melting and a process which decomposes electrically molten salt...
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JP2004293981A |
To provide a cooling device for deposit scale capable of securely cooling the inside and a lower part layer of the deposit scale as well as its surface side in a short time.A plurality of pipes 5 leading cooling medium into a furnace are...
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JP2004293968A |
To provide a method for securely cooling the inside and a lower part layer of deposit scale as well as its surface side in a short time.When cooling the scale 3 deposited on a hearth of a heating furnace 1, cooling medium introduced upwa...
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JP3576473B2 |
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JP3575958B2 |
To reduce meltable heavy metal in slag granulating water. A reducer for meltable heavy metal in slag granulating water is constituted of a pH meter 4, a NaOH injection means 5 and a controller 6. In this case, the controller 6 controls a...
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JP2004269943A |
To inexpensively provide a method for manufacturing a high performance aggregate of electric furnace slag through preventing the slag which has been discharged from an electric furnace for manufacturing a special steel, from becoming por...
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JP3572243B2 |
To provide a slag recovery device for a melting furnace enabling easy recovery work of slag discharged from the melting furnace, enhancing productivity and realizing size reduction of the device and reduction of costs. The slag recovery ...
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JP2004251538A |
To provide a manufacturing device of an incineration ash molten slag which can process a large quantity of ashes into an incineration ash molten slag continuously, is of low cost, and, additionally, can contribute to the extension of the...
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JP2004238234A |
To provide air-granulated slag resisting to hydration and made proof against agglomeration, to provide a method for producing such air-granulated slag, to provide a method for treating air-granulated slag, and to provide fine aggregate u...
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JP2004239587A |
To provide a slag conveyor device capable of positively dropping air-cooled slag from a pan and conveying it.In the slag conveyor device, since an auxiliary hammer is provided in a return path of a slag conveyor in addition to a main ham...
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JP2004225993A |
To provide a method for discharging continuous casting slag to a dry pit capable of suppressing the lump of base metal from getting large even when the continuous casting slag is discharged to the dry pit.When discharging the continuous ...
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JP2004210630A |
To prevent the powdering caused by the phase transition of dicalcium silicate on cooling and the elution of hexavalent Cr in slag comprising chromium such as stainless slag.In the method of reforming slag, as for slag in which the amount...
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JP3541667B2 |
To provide a method, with which the swelling of steelmaking slag can be restrained even in the case of executing no aging treatment. The restraining method of the swelling of the steelmaking slag comprises mixing silica-containing materi...
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JP3541666B2 |
To provide a method with which the swelling of dephosphorizing- treated slag in molten iron can be restrained without executing aging treatment. This restraining method for swelling of dephosphorizing-treated slag in the molten iron is e...
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JP2004190865A |
To provide melting equipment capable of generating a strong solid slag without causing solidification of slag at the outlet of a melting furnace.Since a molten slag from the outlet 21a of a rotary kiln 20 is introduced into a slag coolin...
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JP3537968B2 |
To eliminate a fear of leaking low oxygen gas in a cooler to a separator side without fear of leaking the external air into a thermal decomposition reactor by stably improving sealability for the external atmosphere at both an inlet and ...
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JP2004150757A |
To prevent outflow of molten slag from a furnace body even in emergency.An electric type ash melting furnace is provided with a main electrode 4 vertically movably penetrating a center part of a furnace lid 2 to put a lower end part in t...
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JP2004144417A |
To provide a carrying device for molten dregs capable of preventing fusion of a carrying conveyor to prolong its life, improving peeling performance of dregs, and extraordinarily improving yield of recovered dregs.This carrying device is...
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JP2004144416A |
To provide a carrying device for dregs from a melting furnace, and a control method for that, capable of eliminating generation of fusion or cracking of molds by high-temperature dregs including molten slag and molten metal discharged fr...
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JP3527272B2 |
PURPOSE: To improve the cooling effect of a substrate without using a cooling coil, while effectively recovering liquefied flux. CONSTITUTION: A substrate P heated at soldering is transferred into a cooling chamber main body 11 of a subs...
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JP2004131817A |
To provide a low cost container with which molten slag can be transported under the state of high temperature and which has excellent heat insulating property.This container for transporting the molten slag in which molten slag is stored...
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JP3522680B2 |
To automatically judge the state of a slag flow by converting the slag flow to binary values without being influenced by non-uniform combustion light and halation at a port of a melting furnace through which the slag flow flows down. A s...
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JP3505785B2 |
PURPOSE: To lighten the load on a pump and prevent piping from clogging by clearing the water in a suction box of the suspended matter by a hydroextractor or solid-liquid separator and returning the water to the suction box. CONSTITUTION...
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JP3505784B2 |
PURPOSE: To smoothly and safely water-granulate molten slag by a method wherein a cooling water ejecting nozzle in the water, which is in the vicinity of a water surface facing the molten slag in a horizontal direction, and a water circu...
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JP3498213B2 |
To provide a heat treatment furnace capable of improving productivity by improving the cooling efficiency of a heat treatment material. The heat treatment furnace comprises at least a furnace body 3, a heater 5 situated at the internal p...
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JP2004044856A |
To provide a method for discharging slag for a waste melting furnace capable of effectively preventing closing of the vicinity of a slag hole by solidification of molten slag due to cooling and wear of a refractory material, etc., by sim...
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JP3494416B2 |
PURPOSE: To accurately stop a capsule in the specific position, and to shorten the cooling time of an article to be burnt, and to reliably maintain sealing performance between a trunk and the capsule, by providing at specific distances a...
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JP3491199B2 |
To provide a cooling device for circuit board with which a cooling speed can be accelerated by incentively cooling the solder part of a circuit board. An inclined flow straightening plate 25 is provided with respect to a plane flow strai...
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JP3482822B2 |
To provide a method capable of suppressing the expansion of a steelmaking based slag more than the conventional method even if aging is not performed. (1) A latent hydraulic or pozzolan reactive silica-containing material is mixed with t...
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JP2003342627A |
To control powdering of slag, and to utilize the slag. The method for controlling the powdering of the slag is characterized by cooling and solidifying a molten slag, at a cooling velocity V(°C/ second) or higher determined by equation ...
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JP2003342047A |
To provide a granulation apparatus which has a long life and produces, stably for a long time, slag particles with a particle size distribution aimed at; and a granulation method using the apparatus. In the granulation apparatus whereby ...
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JP3471239B2 |
To provide a discharge port structure whereby the carbonization product discharged from a carbonization oven can be cooled without being oxidized. To cool a carbonization product a', the lower end of a cylindrical discharge chute 15 of a...
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JP2003334508A |
To provide a method for removing chlorine in molten fly ash by a relatively reduced amount of washing water to be used, that is, a method for removing chlorine in molten fly ash by the washing treatment of molten fly ash enhancing the re...
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JP2003328016A |
To provide a method for monitoring solidification of water granulated blast-furnace slag so as to effectively use the slag, by measuring a progression degree of solidification of the water granulated blast-furnace slag, and a device ther...
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JP2003321709A |
To provide slag for preventing elution of fluorine, and ensuring less wear of a furnace wall.CaO and Al2O3 are added to the slag containing fluorine more than molten steel to form a calcium-aluminate phase, and MgO is added thereto to pr...
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JP2003314969A |
To provide a melt discharge port which stably discharges melt when dropping and discharging the melt flowing from a certain direction, and has improved durability.This melt discharge port is provided with a metallic water- cooled jacket ...
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JP2003302172A |
To securely prevent steam explosion without using a large quantity of cooling water.A cooling water tank 20 in which cooling water 18 is reserved is set at the lower end of a discharge shoot 16 disposed at a slug outlet 8 of the burner t...
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JP3458331B2 |
To provide a method of manufacturing slowly cooled slag by which the strength of manufactured slag can be increased. An outlet chamber 12 which specifies a space larger than the discharge port 11 of a rotary kiln 10 is formed around the ...
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JP2003293025A |
To provide a method which can prevent the elution of fluorine by relatively rapidly, efficiently and cost effectively fixing the fluorine in slag mainly composed of a CaO-SiO2 phase.The slag mainly composed of the CaO-SiO2 phase is aged ...
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JP2003294376A |
To provide a molten slag processing method and a slag receiving vessel for remarkably improving a yield of processing slag by minimizing a slag quantity sticking to and hardening in the slag receiving vessel when performing granulating p...
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