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198results about "Discharge devices" patented technology
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Method for quickly reproducing after long-term damping-down reproducing of blast furnace
The invention belongs to the technical field of metallurgy, and discloses a method for quickly reproducing after long-term damping-down reproducing of a blast furnace, which comprises the following reproducing steps: step 1, a hearth core active preheating step: before blast reproducing of a main tuyere of the blast furnace or at the initial stage of reproducing, introducing oxygen-containing gas into a hearth central area through at least one iron notch, the central area of the hearth is actively heated; and 2, a drainage channel pre-construction step: opening the other iron notch after the blast of the main tuyere of the blast furnace is recovered and before a large amount of liquid iron slag is formed, and enabling high-temperature coal gas to be sprayed outwards from the iron notch by utilizing the pressure of gas formed in the furnace so as to dredge the hearth, heat the iron notch area and pre-construct the iron slag drainage channel. The cold state problem of the center of the hearth is solved through active preheating, a smooth drainage channel is constructed in advance through high-pressure coal gas flow, an iron notch area is heated, and the fatal risk that a high-temperature liquid phase newly produced in the initial stage of re-production gathers in the front edge area of the tuyere is fundamentally avoided.
Owner:WUKUN STEEL
Blow-off valve and blow-off valve air leakage processing method
The relief valve comprises a valve seat and a valve cover, the valve seat is provided with a valve port, and a sealing ring in a compressed state is arranged between the port edge of the valve seat and the cover edge of the valve cover; the driving mechanism is used for driving the valve cover to be opened or closed, and under the condition that the valve cover is closed, the valve cover is arranged at the valve port in a sealed mode; under the condition that the valve cover is closed, a gap used for containing packing materials is formed between the opening edge of the valve seat and the cover edge of the valve cover, and the gap is located on the outer side of the sealing ring.
Owner:BEIJING SHOUGANG CO LTD
Composite tapping channel
Owner:GONGYI NEW TYPE METALLURGY MATERIAL CO LTD
Protection device suitable for molten iron trough of blast furnace casting house
The utility model belongs to the technical field of ironmaking, and particularly discloses a protective device suitable for a molten iron trough of a blast furnace casting house, which comprises a cover head, a cover body and a cover tail, the cover body is formed by connecting a plurality of main frames end to end, each main frame comprises a frame top, frame waists and frame legs, the frame waists are welded on two sides of the frame top, and the frame waists are welded on two sides of the frame top. Frame legs are welded to the frame waists, a clamping groove is fixedly connected to the head end of the main frame, the head ends of the frame top, the frame waists and the frame legs are welded to the clamping groove, a clamping plate is fixedly connected to the tail end of the main frame, and the tail ends of the frame top, the frame waists and the frame legs are welded to the clamping plate. Modularized installation of the molten iron trough protective cover is achieved through the clamping groove and the clamping plate, the molten iron trough protective cover is higher than the ground, the observation window is formed, workers can conveniently observe the flowing condition of the main trough, the dust removal cover is connected to the tail end of the protective cover, and dust removal is more thorough.
Owner:XINXING DUCTILE IRON PIPES XINJIANG
A control system and method for preventing molten iron from spilling out of a molten iron ladle
This invention relates to a control system for preventing molten iron overflow during ladle discharge. The system includes a furnace platform with a molten iron trough and two sets of rails passing beneath the furnace platform. A swing chute is located below the outlet of the molten iron trough. Ladle cars are mounted on the two sets of rails, each carrying a molten iron ladle. Each set of rails has a molten iron discharge station located below the swing chute. A ladle car position sensor is installed beside each discharge station on the rails to detect whether the ladle car is in position. A rail weighing scale is installed at each discharge station, and a radar level gauge is installed above the discharge station to detect the liquid level in the molten iron ladle. This invention provides a control system for preventing molten iron overflow during ladle discharge, achieving accurate control of the discharge amount. It can remind workers to switch discharge lines in a timely manner and can automatically switch lines if workers do not make adjustments, reducing the risk of excessive molten iron overflow damaging the ladle and ladle car, and ensuring safe production.
Owner:WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD
Geothermally powered iron production systems and methods
A geothermally powered iron production subsystem includes using heat transfer fluid heated by a geothermal system with a wellbore extending from a surface into an underground magma reservoir. A hopper receives iron ore that is crushed and provided to a blast furnace, along with limestone and coke. The blast furnace is heated by a heat exchanger configured to receive the heat transfer fluid heated by the geothermal system to generate the heat provided to the blast furnace. One or more components of the iron production subsystem may also be powered by the heated heat transfer fluid.
Owner:ENHANCEDGEO HOLDINGS LLC
Slag trough cover plate
The utility model discloses a slag trough cover plate which comprises a telescopic rod and an arch-shaped cover plate, the telescopic rod is installed on a support in a hinged mode, the hinged position of the telescopic rod and the support is located on one side of a slag trough channel, and the arch-shaped cover plate is arranged on the upper surface of a trough body in a covering mode. The slag channel is located under the arch-shaped cover plate, a hanging lug is arranged on the top of the arch-shaped cover plate, and the hanging lug of the arch-shaped cover plate is movably hung at the free end of the telescopic rod. The slag trough cover plate disclosed by the utility model can be directly arranged on the trough body to cover the slag trough channel, so that the slag trough channel can be sealed and covered, smoke dust in the slag trough channel is prevented from leaking, and the working environment is improved.
Owner:福建罗源闽光钢铁有限责任公司
A method for determining the position of a residual iron port of a blast furnace residual iron discharge hearth
The present application relates to a kind of blast furnace residual iron furnace residual iron mouth position determination method, comprising: the determination of furnace residual iron mouth elevation position and the determination of furnace residual iron mouth circumferential position and the like steps.The blast furnace residual iron furnace residual iron mouth position determination method provided by the present application, by the erosion rate of furnace refractory, blast furnace refractory thermal conductivity coefficient and blast furnace running time model, determine the thinnest part of refractory, i.e.elevation (i.e.latitude), by circumferential position model, again in combination with the convenience of residual iron and furnace cooling wall temperature detection, determine specific cooling wall (i.e.latitude), compared with prior art, it is a more scientific method.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD
Water cooling device for slag runner of blast furnace casting house
The utility model relates to the technical field of slag runner water cooling, in particular to a blast furnace casting house slag runner water cooling device which comprises a plurality of water cooling plates used for cooling the two side portions and the bottom of a slag runner in a water cooling mode. The water cooling plate comprises a shell, a cooling channel which is arranged in the shell and enables cooling water to flow back and forth in the shell, a water inlet communicated with one end of the cooling channel, and a water outlet communicated with the other end of the cooling channel. The plurality of water cooling plates are spliced and fixed together through connecting structures; the water-cooling plate has the beneficial effects that in actual use, the shell is attached to the side part and the bottom of the slag runner, namely, the two side parts and the bottom of the slag runner are cooled, so that the cooling effect of the water-cooling plate on the slag runner is ensured; meanwhile, the multiple water cooling plates are spliced together to form a pouring frame, pouring can be directly carried out on the water cooling plates to form the slag runner, the slag runner and the water cooling plates are tightly combined, heat conduction between the slag runner and the water cooling plates is facilitated, and the cooling effect is improved.
Owner:REWELL REFRACTORY ZHENGZHOU CO LTD
Anti-splashing residual iron discharging device for blast furnace
The utility model relates to the technical field of blast furnace residual iron discharge, in particular to an anti-splashing residual iron discharge device of a blast furnace. The furnace comprises a furnace body, one side of the furnace body is communicated and fixedly connected with a frame main beam, the top of the frame main beam is fixedly connected with a cover plate, a residual iron runner is formed between the cover plate and the frame main beam, and the residual iron runner is in a big-end-up trapezoid shape; through cooperation of a residual iron runner, a first support and a second support, the gradient of a main beam of a frame is 3.6 degrees by arranging the first support and the second support, the residual iron runner extends to the positions of a first rail and a second rail, molten iron tanks on the two rails receive molten iron at the same time and are alternately replaced, and it is ensured that after one molten iron tank receives iron all the time and residual iron is completely discharged, the residual iron tank can be replaced. Pulling to steel-making for smelting; the two rail lines are used for tapping at the same time, the tapping efficiency is improved, thick yellow sand is laid on the ground, refractory bricks and spraying paint are laid on a ground water pipe and an instrument box for protection, and molten iron is prevented from splashing to burn out equipment and facilities.
Owner:JIANGSU SHAGANG STEEL CO LTD +1
Fence device
Owner:NIPPON STEEL CORPORATION
Blast furnace cast house platform
ActiveCN117187462BSolve the problem of excessive expansion gapDischarge devicesMechanical equipmentPier
The present application discloses a kind of blast furnace casthouse platform, including the platform body for supporting ditch system, platform body includes platform frame column and is arranged in ditch system below beam of platform frame column, frame body and ditch system below beam are all provided with pier, pier is used to carry ditch system, platform plate is arranged on platform frame column, platform plate is used to limit lateral displacement of ditch system, pier and platform plate form three-side support to ditch system, by adopting the platform structure of embedding in casthouse after ditch system self-bearing, it solves the problem that the gap between horizontal load generated by molten iron that ditch system itself bears and the platform displacement of casthouse is too large, also solves the problem that the expansion of molten iron high temperature generated in production process that ditch system itself bears and the expansion gap of casthouse structure itself is too large, also solves the problem that the damage to ditch system itself structure caused by large mechanical equipment in the process of regularly replacing internal material of ditch system due to process requirement does not affect the overall stability and durability of platform structure itself of casthouse.
Owner:CISDI ENGINEERING CO LTD
Ironmaking system and method coupling solid oxide electrolysis with blast furnace waste heat utilization
The present invention relates to an ironmaking system and method that couples solid oxide electrolysis with blast furnace waste heat utilization. The system comprises a solid oxide electrolysis system, a hot blast system, a heat exchange network, and a blast furnace body. The solid oxide electrolysis system, driven by the coupling of an external power source and blast furnace waste heat, produces hydrogen and oxygen by electrolyzing water. The hot blast system, fueled by blast furnace gas, continuously delivers high-temperature hot blast to the blast furnace. The heat exchange system uses the waste heat generated by the blast furnace to heat the fuel at the inlet of the solid oxide electrolysis cell and the hydrogen at the inlet of the blast furnace. The blast furnace body is used to reduce ore to smelt pig iron. By recycling waste heat from the blast furnace ironmaking process through the heat exchange network, heating the water at the inlet of the solid oxide electrolysis system and the hydrogen at the inlet of the blast furnace, the system effectively reduces the power consumption of the electrolytic hydrogen production process and is of great significance for the deep energy conservation and carbon reduction of blast furnace hydrogen-rich metallurgy technology.
Owner:NORTH CHINA ELECTRIC POWER UNIV
Safety early warning device for main iron runner
The utility model discloses a main iron runner safety early warning device which comprises a working layer refractory material, a permanent layer refractory material and a ventilation prefabricated part, the working layer refractory material is formed on the inner side wall face of the permanent layer refractory material, a molten iron runner is arranged in the working layer refractory material, the first end of the ventilation prefabricated part is inserted into the working layer refractory material and extends towards the direction of the molten iron runner, and the second end of the ventilation prefabricated part is inserted into the permanent layer refractory material. The first end of the breathable prefabricated part is located at the lowest residual thickness position of the working layer refractory; a gas transmission channel is arranged in the breathable prefabricated part, one end of the gas transmission channel penetrates through the first end of the breathable prefabricated part, and the other end of the gas transmission channel penetrates through the second end of the breathable prefabricated part and is communicated with gas source fluid. By arranging the breathable prefabricated part, when the working layer refractory material is eroded to the minimum residual thickness, compressed air is continuously discharged, bubbles are generated in molten iron, the pressure monitoring meter is matched, the safety early warning effect can be rapidly achieved, and the utilization rate of the working layer refractory material is increased.
Owner:PUYANG REFRACTORIES GRP CO LTD
Blast furnace tapping and molten iron transportation integrated automatic control system and method
The invention relates to the technical field of blast-furnace tapping and molten iron transportation, and discloses an integrated automatic control system and method for blast-furnace tapping and molten iron transportation. The blast furnace tapping and molten iron transportation integrated automatic control system comprises a blast furnace iron removal plant PLC, a blast furnace tapping house HMI, a molten iron canning PLC, a molten iron transportation system, a swing chute automatic control system unit, a temperature measuring and sampling automatic control unit, a tapping machine automatic control unit, a clay gun automatic control unit and a rail clamping device automatic control unit. A molten iron pipe tanker automatic control unit; a blast furnace tapping process calculation and prediction unit; and a process flow management unit. The method has the advantages that the whole process from blast furnace production to molten iron transportation to a molten iron treatment workshop is automatic, the utilization rate and the operation rate of molten iron tanks and tank cars are increased, the production efficiency is improved, and intervention of operators is reduced to the maximum extent.
Owner:ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD +1
Blast furnace slag tapping channel with slag quenching and tempering treatment function
A blast furnace slag runner with a slag quenching and tempering treatment function comprises a slag runner body of a broken-line-shaped structure; the chemical feeding pipe is arranged at the inlet end of the deslagging trough body; the electric heating pipe is buried at the bottom of the slag discharge channel body; the mixer is arranged at the outlet end of the deslagging trough body; and the storage tank is arranged at the outlet end of the lower part of the mixer. According to the utility model, the slag in a molten state is directly mixed with the conditioning agent in the slag discharge channel, so that the slag is quenched and tempered in the slag discharge channel, the subsequent processing process can be reduced, and the energy consumption is saved.
Owner:BAOSHAN IRON & STEEL CO LTD
Slag bath liquid level measuring device
The utility model relates to a slag bath liquid level measuring device which is characterized in that a suspension frame is fixedly arranged on the side wall of a slag bath, a liquid level cylinder is arranged on the suspension frame, a floating ball is arranged in the liquid level cylinder, N trigger switches are arranged on the liquid level cylinder close to the side of the suspension frame in the height direction, and N is a natural number larger than or equal to 2; each trigger switch reflects a liquid level height, a trigger rod is arranged corresponding to each trigger switch, a reset spring is sleeved on each trigger rod, and the trigger switches are electrically connected with a main controller.
Owner:TIANJIN IRON WORKS CO LTD
Anti-burst iron runner pouring hopper
Owner:ZHENGZHOU KEYUAN REFRACTORY CO LTD
Production process for directly transporting molten iron to steelmaking procedure through molten iron channel
The invention discloses a production technology for directly transporting molten iron to a steelmaking procedure through a molten iron channel, and the device comprises a molten iron transportation channel, a molten iron pretreatment area iron ladle and a trolley, the molten iron transportation channel is mainly composed of a channel, a stand column, an accident groove, an inspection platform and a baking device; the ditch comprises a refractory layer, a heat preservation layer, a steel structure shell, a temperature control system and a ditch cover plate, the baking device is composed of a burner, a combustion system, a flame detection and flameout protection device, an emergency cut-off valve, a mechanical mechanism, a control system and the like, and the oxygen-enriched baking technology is adopted. According to the production process, molten iron is directly transported to the molten iron ladle through a special ditch by utilizing the height difference between a tapping position of an iron-making blast furnace and the molten iron ladle of a trolley in a molten iron pretreatment area of a steel-making plant, and then the molten iron ladle is transferred to a steel-making pretreatment station through the trolley. The production process optimizes the continuity of production organization and flow, and can remarkably reduce the temperature drop of molten iron, greatly improve the smelting efficiency of the steelmaking procedure, reduce the transportation safety risk of high-temperature molten metal, reduce carbon emission, improve efficient utilization of resources, promote low-carbon green smelting and realize efficient and low-loss short-flow transportation of molten iron.
Owner:朱良 +1
Slag-iron separation lintel of prefabricated skimmer
The utility model relates to the technical field of blast furnace ironmaking equipment, in particular to a slag-iron separation lintel of a prefabricated skimmer. The lintel comprises a lintel body, the lintel body is a prefabricated part, a lifting lug is arranged on the top face of the lintel body, grooves extending up and down are formed in the two opposite sides of the lintel body, and the space between the lintel body and a lintel box is filled with castable so as to fill a gap between the lintel body and the lintel box; a cavity used for containing the lintel body is formed in the lintel box, an opening is formed in the top of the lintel box so that the lintel body can be conveniently installed, the lintel box is installed in the lintel pipe, the upper surface of the lintel box is flush with the upper surface of the lintel pipe, and a slag channel channel and an iron outlet channel after slag and iron separation are formed between the two adjacent sides of the lintel box and the two side walls of the lintel pipe correspondingly. The slag groove channel is used for discharging separated slag, and the iron outlet channel is used for discharging pure molten iron. According to the utility model, the technical problems of poor stability and low yield of a blast furnace caused by tedious steps, large casting amount and long baking time of cast-in-place lintels in the prior art are effectively solved.
Owner:XINXING DUCTILE IRON PIPES CO LTD
Intelligent main channel cooling and ventilating system for blast furnace casting house
The utility model discloses an intelligent main channel cooling and ventilating system for a blast furnace casting house, which belongs to the field of steel smelting and comprises an air inlet, an air cooling layer, a ventilating slot, an air gathering device, a cooling device and an air outlet. The air cooling layer is arranged between the tapping channel steel structure and the protective layer; the air inlet is formed in the bottom of the protection layer, and the air gathering device communicates with the air cooling layer through the ventilation groove; external air enters the air cooling layer from the air inlet and then flows into the ventilation groove, and high-speed airflow is formed to achieve air cooling of the tapping channel. According to the utility model, a drainage route formed by the wind gathering device, the adsorption fans connected in parallel and the ventilation pipes is adopted, a large amount of airflow can be respectively guided into the corresponding ventilation pipes through the adsorption fans connected in parallel, the air pressure of the pipelines can be reduced, and the operation stability and safety of the whole system are improved.
Owner:YIXING REFRACTORY EQUIP & MATERIAL FACTORY
Pneumatic slag damper
The invention relates to a pneumatic slag stopper, a metallurgical vessel and a method for pneumatically closing a tapping channel of a metallurgical vessel with respect to the outflow of slag by means of a gas flow provided from at least one gas flow outlet. The gas flow outlet is arranged on a swivel arm which can be swiveled about a swivel axis by means of a swivel drive, the swivel arm having a gas delivery channel which opens into the at least one gas flow outlet, the longitudinal axis of the at least one gas flow outlet being as parallel as possible to the swivel axis. The metallurgical vessel has a tapping channel and the slag stopper which is fixed to the metallurgical vessel, the longitudinal axis of the tapping channel being as parallel as possible to the swivel axis. In the method, the gas flow outlet arranged on the swivel arm is positioned into a sealing position in front of the tapping opening of the tapping channel by swiveling the swivel arm into the sealing position in front of the tapping opening with a swivel movement which is performed in a plane which is as perpendicular as possible to the longitudinal axis of the tapping channel.
Owner:PRIMETALS TECH AUSTRIA GMBH
Method suitable for discharging residual iron during blowing out of large blast furnace
PendingCN121951157AImprove liquidityAccelerate emissionsBlast furnace detailsDischarge devicesFurnace temperatureSmelting process
The invention discloses a method suitable for discharging residual iron during blowing out of a large blast furnace, which comprises the following steps: furnace washing operation before blowing out: physical furnace washing and chemical furnace washing are adopted for improving the flowability of the residual iron and reducing the residual quantity of condensed iron in a hearth; operation and furnace temperature control in the furnace shutdown process of the drop stock line: controlling the smelting process before the furnace shutdown so as to ensure the temperature of molten iron during the furnace shutdown; and discharging the residual iron after the furnace is shut down: promoting the discharge of the residual iron by supplying air and increasing the pressure in the furnace. According to the method, through furnace washing operation before blowing out and operation and furnace temperature control in the stockline drop blowing out process, the liquidity of residual iron is improved, the residual quantity of solidified iron in a hearth is reduced, and the temperature of molten iron during blowing out is ensured; and after the furnace is shut down, discharging of the residual iron is promoted by supplying air and increasing the pressure in the furnace.
Owner:BAOSHAN IRON & STEEL CO LTD
A blast furnace slag treatment system and method
The present invention discloses a blast furnace slag treatment system and method. The blast furnace slag granulation treatment system includes: a horizontal trough, a hydrogen content detection module, a temperature detection module, a flow rate detection module, a control module, a first refractory baffle, and a second refractory baffle; the hydrogen content detection module is used to detect the hydrogen content in the granulation box; the temperature detection module is used to detect the first temperature of the slag and the second temperature of the granulation water; the control module is used to determine an energy loss coefficient according to the first temperature, the second temperature, the first flow rate, and the second flow rate, and control the first refractory baffle and / or the second refractory baffle to be located in the horizontal trough according to the hydrogen content in the granulation box when the energy loss coefficient is less than a reference value. The present invention can greatly reduce the waste caused by the molten iron flowing into the granulation box, improve the detonation phenomenon in the granulation box, increase the molten iron recovery rate, and can also improve the water quenching effect of the granulated slag and improve the quality of the granulated slag.
Owner:SGIS SONGSHAN CO LTD
Iron runner castable containing pre-synthesized eg-sic and method for preparing the same
The application discloses an iron runner castable containing pre-synthesized EG-SiC and a preparation method thereof, and belongs to the technical field of amorphous refractory castable. According to the mass percentage, the raw material composition of the iron runner castable comprises 10-17wt% tabular corundum, 7-13wt% composite powder, 12-25wt% silicon carbide, 1-3wt% calcium aluminate cement, 1-3wt% spherical pitch, 0.1-0.2wt% anti-explosion fiber, 2-5wt% composite additive, and the balance is brown corundum particles; additionally, 1-3wt% pre-synthesized EG-SiC is added; wherein the pre-synthesized EG-SiC is nanometer silicon carbide whisker in-situ grown between worm-like expanded graphite sheet layer structures. The iron runner castable has high early strength, significantly improves the slag resistance of the iron runner castable, and improves the high-temperature mechanical properties and the ability to resist thermal stress damage of the material, and has important application prospect.
Owner:WUHAN METALLURGY ARCHITECTURE RES YUAN CO LTD +1
Blast furnace tapping area and its iron trough top leveling platform
This utility model proposes a blast furnace tapping area and a platform for leveling the top of its iron trough. The platform comprises multiple pre-cast modules connected in sequence. Adjacent pre-cast modules are secured with tongue-and-groove fasteners, and the gaps between adjacent modules are filled with fiber blankets. Each pre-cast module includes a steel structural support frame and a refractory castable layer cast on top of the steel structural support frame. This platform replaces the traditional on-site fabrication method for leveling with offline modular customization, shortening the on-site construction period and reducing costs, while also facilitating subsequent maintenance and repair of the tapping area platform.
Owner:WISCODRI WUGANG ENG
Deslagging structure of blast furnace
The utility model discloses a blast furnace deslagging structure, which belongs to the technical field of steelmaking blast furnaces and comprises a workshop, a molten iron diversion trench, a blast furnace, a high-temperature-resistant gate, a slag outlet A, a slag outlet B and a chain plate conveying belt, the blast furnace is arranged at the top of the workshop in a matched manner, the slag outlet A is mounted on the other side of the blast furnace through the high-temperature-resistant gate, and the slag outlet B is arranged at one end of the slag outlet A; a chain plate conveying belt and a molten iron flow guide groove are installed on the two sides of the interior of the workshop correspondingly, and the slag outlet A extends into the molten iron flow guide groove. According to the utility model, the material guide mechanism is arranged, and the anti-splashing cover, the flow guide screen plate, the movable cavity, the baffle plate and the winch are matched for use, so that blockage in the iron slag discharging process can be prevented through the inclined flow guide screen plate, and each component is matched with the slag outlet A and the slag outlet B for use; molten iron and iron slag can be separated and conveyed and guided through an independent channel, and therefore the iron slag can be further prevented from blocking the slag outlet A.
Owner:HUNAN YIFANG ENVIRONMENTAL PROTECTION TECH CO LTD
Modular platform for building blast furnace in narrow space and building method
The invention discloses a modularized platform for building a blast furnace in a narrow space and a building method, an upper furnace body and a lower furnace body of the platform are composed of a plurality of furnace body modules and a plurality of furnace seat modules, the furnace body modules are connected with the furnace seat modules through connecting nails, the furnace seat modules are mounted above a base station, and the furnace seat modules are connected with the base station through connecting nails. And the furnace body module is arranged on the upper layer of the furnace seat module. The modular platform and the construction method have the beneficial effects that a worker can construct the blast furnace in a narrow space through the modular platform and the construction method, the blast furnace can be constructed only through construction of the furnace body module and the furnace base module, and the same strength and safety can be achieved after construction is completed; as the furnace body module and the furnace seat module can be industrially produced and manufactured, the construction cost and time of the blast furnace can be effectively reduced.
Owner:CHINA MCC17 GRP CO LTD
Residual iron discharging device and blast furnace residual iron discharging system
ActiveCN223509896UDischarge devicesProcess efficiency improvementHydraulic cylinderMining engineering
The utility model provides a residual iron discharging device and a blast furnace residual iron discharging system.The residual iron discharging device comprises a rock drill, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder, the rock drill is arranged on the transmission assembly, the transmission assembly extends in the first direction, and the transmission assembly is used for driving the rock drill to move in the first direction; the pneumatic assembly is connected to the transmission assembly, and the pneumatic assembly is used for providing driving force for the transmission assembly; the control assembly is connected to the pneumatic assembly, and the control assembly is used for controlling the pneumatic assembly to output power; wherein the control assembly is far away from the rock drill and the transmission assembly. According to the residual iron discharging device, on one hand, larger driving force can be provided through pneumatic driving, process control of the rock drill is more stable, meanwhile, the process of the rock drill can be remotely controlled, and the situation that the personal safety of workers is harmed due to molten iron splashing is avoided.
Owner:BEIJING SHOUGANG CO LTD
Fixed high-temperature slag discharging device with monitor
The utility model relates to a fixed high-temperature slag discharging device with a monitor, which comprises a slag runner with a U-shaped section and a concrete layer and a refractory material layer which are sequentially arranged from outside to inside; the slag tank is arranged at the outlet end of the slag runner and is connected with the outlet end of the slag runner through a flow guide device; a heat compensation insulating layer is arranged in the wall of the slag tank; the monitoring device is arranged on the inner side wall and / or the bottom of the slag trough and comprises a temperature sensor and / or a flow detection device; and the temperature sensor, the flow detection device and the heat compensation insulating layer are electrically connected with the controller. The utility model solves the problems in the prior art that the temperature and the quality are not measured in the deslagging process, the slag cooling is large and the like.
Owner:BAOSHAN IRON & STEEL CO LTD