9results about How to "Improve slag removal effect" patented technology

The application relates to an evaporative cold-pipe deslagging structure and a deslagging method, and belongs to the technical field of dry dust removal equipment for converter steelmaking. The evaporative cold-pipe deslagging structure comprises a detection rod arranged at the top of an evaporative cold pipe, a plurality of vibration assemblies arranged on the side wall of the outer surface of the evaporative cold pipe and a maintenance door arranged on one side of the bottom of the evaporative cold pipe. The vibration assembly comprises a base fixedly arranged on the side wall of the evaporative cold pipe and a vibration motor detachably connected to the base. The base comprises a bottom plate arranged on the side wall of the evaporative cold pipe and a connecting plate arranged on the bottom plate. The bottom plate is an arc-shaped plate, and the curvature of the bottom plate is greater than that of the side wall of the evaporative cold pipe. The application has the advantages of complete descaling effect, dry dust removal, prolonged service life of the equipment, improved dust removal effect, high coal gas recovery quality and the like.

The utility model discloses a tool for cleaning accumulated slag at a dedusting flue port of an LF (ladle furnace), which relates to the technical field of auxiliary equipment in the metallurgical industry and comprises a grid support and an operating rod piece, the grid support is used for being detachably and fixedly connected with a slag cleaning port at the dedusting flue port of the LF, and the grid support is provided with a plurality of grids; the cleaning end of the operation rod piece is used for penetrating through a grid and being supported on the edge of the grid, the cleaning end of the operation rod piece is used for being inserted into a gap between a flue wall and accumulated slag so as to clean the accumulated slag, the end, away from the cleaning end, of the operation rod piece is the handle end, the handle end is used for being held by an operator, the structure is simple, use is convenient, and practicability is high. Meanwhile, efficient operation of the dust removal system is guaranteed, the field operation environment is improved, and the health of workers is protected.

The utility model provides a kind of short flow prevention cyclone grit chamber with oil and slag removal function, including inlet channel, pool body, water collecting cylinder, outlet channel, sand discharge emptying pipe and slag discharge channel etc. Speed-regulating pusher consisting of frequency conversion motor, paddle and flow velocity meter is equipped in inlet channel, and inlet flow rate can be adjusted according to water volume. The bottom of pool body is conical cylinder, and water is discharged from the bottom of central water collecting cylinder, to avoid short flow. There is also slag remover, which removes oil and slag by driving motor driving scraper and stirring blade on rotating shaft. The grit chamber solves the problem of short flow, poor oil and slag removal of traditional equipment by speed-regulating pusher and flow guide water collecting cylinder, realizes "three-phase separation", improves sand removal efficiency, and does not increase land occupation, which can be used for existing grit chamber modification and is suitable for sewage treatment pretreatment.

The utility model discloses a movable type grinding fluid on-line filtering device which comprises a movable box body, a precise filtering unit used for filtering grinding fluid and a residue discharging unit used for collecting and separating filter residues are arranged in the box body, a filtering liquid inlet in the bottom of a filtering tank in the precise filtering unit is communicated with a residue discharging pipe, and a filtering liquid outlet in the bottom of the filtering tank is communicated with the residue discharging pipe. The precise filtering unit is arranged in the box body, the residue discharging unit comprises a residue discharging barrel, a filtering basket and a residue inlet, the filtering basket is arranged in the residue discharging barrel, the residue inlet is formed above the filtering basket, and the residue inlet is connected with a residue discharging pipe. And the whole device can be conveniently moved and transferred.

The utility model discloses a kind of device of high-efficiency cleaning of extraction tank accumulated residue, belong to extraction tank technical field.A kind of device of high-efficiency cleaning of extraction tank accumulated residue, including extraction tank, baffle one and baffle two are fixed in extraction tank inside, the inside of extraction tank is divided into mixing chamber, clarification chamber and backflow slag discharge chamber;Clarification chamber is equipped with slag removal device inside, and slag removal device slides along clarification chamber long side direction, for the sediment residue in clarification chamber is transferred to backflow slag discharge chamber;Liquid in mixing chamber is overflowed to clarification chamber by baffle one;The sediment residue in clarification chamber is moved to backflow slag discharge chamber bottom by the slag removal channel of baffle two bottom, and is discharged by the slag discharge port of backflow slag discharge chamber bottom.

This invention belongs to the field of iron and steel metallurgy technology, specifically relating to molten steel for chromium addition in a converter for low-carbon chromium steel production. In conventional alloy steel smelting processes using high-carbon ferrochrome for alloying, the carbon content in the molten steel obtained after secondary slag formation easily exceeds the upper limit, making it difficult to obtain low-carbon chromium steel with a carbon content below 0.15% after subsequent alloying processes. To address this problem, this invention provides molten steel for chromium addition in a converter for low-carbon chromium steel production. To improve the chromium recovery rate in low-carbon chromium steel and prevent the carbon content in the molten steel obtained after secondary slag formation from exceeding the upper limit, this invention adds a small amount of chromium concentrate during the secondary slag formation process and continuously blows oxygen from the top during the secondary slag formation process. This significantly reduces the carbon content in the molten steel obtained after secondary slag formation while simultaneously improving the chromium recovery rate.

The utility model discloses a kind of aluminium electrolysis cell molten aluminium stabilizing flow devices, comprising: anti-settling equipment shell, its side surface is fixedly provided with control cabinet;Mounting shell, it is fixedly connected in anti-settling equipment shell side;Driving motor, it is installed in mounting shell;Rotary shaft, it is driving motor output shaft transmission connection, its end away from driving motor is rotatably installed in the fixed sleeve on the inner wall of anti-settling equipment shell;Mixed support, it is installed on rotary shaft, and can rotate synchronously with rotary shaft;Filter screen body, it is installed in the inside of anti-settling equipment shell;Fixed support ring, it is installed on rotary shaft;Cleaning support, it is fixedly installed on fixed support ring, can move or rotate synchronously with fixed support ring;Wherein, when driving motor drives rotary shaft rotation, mixed support can stir molten aluminium, cleaning support can clean filter screen body.The utility model can change the pressure of cleaning support to filter screen by adjusting the position of fixed support ring, enhance the effect of cleaning residue.

The utility model discloses a heat-engine plant boiler deslagging device which comprises a boiler, and the bottom of the boiler is fixedly connected with a boiler net through bolts. A top seat; compared with the prior art, through the arrangement of the attaching mechanism and the mode that a piston is driven by air pressure to move, rapid attaching of the scraper to boilers of different sizes is achieved, the problem that an existing device cannot adapt to the boilers of different sizes is effectively solved through the self-adaptive adjusting mode, and therefore the device has the advantages of being high in adaptability, convenient to use and high in practicability. The applicability is obviously improved; through the arrangement of the deslagging mechanism, on the basis that the scraper moves up and down conventionally along with the follow-up seat in a reciprocating mode, short-distance up-and-down reciprocating motion of the scraper can be achieved, the scraper can generate higher scraping force in the deslagging process, stubborn slag can be effectively dealt with, and the deslagging effect is greatly improved.