162results about "Hopper cars" patented technology

Systems and methods for using a liquid hot metal processing unit to produce granulated metallic units (GMUs) are disclosed herein. In some embodiments of the present technology, a liquid hot metal processing system for producing GMUs comprises a liquid hot metal processing unit including a granulator unit. The granulator unit can include a tilter positioned to receive and tilt a ladle, a controller operably coupled to the tilter to control tilting of the ladle, a tundish positioned to receive the molten metallics from the ladle, and a reactor positioned to receive the molten metallics from the tundish. The reactor can be configured to cool the molten metallics to form granulated metallic units (GMUs).

A low-sulfur granulated metallic unit having a mass fraction of sulfur between 0.0001 wt. % and 0.08 wt. % is disclosed herein. Additionally or alternatively, the granulated metallic unit can comprise a mass fraction of phosphorous of at least 0.025 wt. %, a mass fraction of silicon between 0.25 wt. % and 1.5 wt. %, a mass fraction of manganese of at least 0.2 wt. %, a mass fraction of carbon of at least 0.8 wt. %, and / or a mass fraction of iron of at least 94.0 wt. %.

Treating cooling water in industrial production facilities and associated systems, devices, and methods are disclosed herein. The system can comprise a cooling tower with a first and second cell, each having a housing to receive return water and a sump below to maintain supply water configured to directly contact molten metal. The system includes an inlet and an inlet line to provide return water to the cooling tower and an outlet and an outlet line to direct supply water back to the industrial production facility. The inlet, outlet, and cooling tower form a closed-loop network. Additionally, a blowdown line is fluidically coupled to the outlet to divert a portion of the supply water away from the closed-loop network.

Processing granulated metallic units within electric arc furnaces (EAFs) and associated systems, devices, and methods are disclosed herein. A representative method can include receiving granulated metallic units in an EAF, wherein the granulated metallic units comprise no more than 0.05 wt. % of sulfur and at least 50% of particles in the granulated iron material have a particle size of at least 6 millimeters. The method can include applying electrical energy to the granulated iron via electrodes and melting the granulated iron material to form a molten steel product. The method can also include tapping the EAF to remove the molten steel product from the EAF.

Torpedo cars for use with granulated iron production, and associated systems, devices, and methods are disclosed herein. In some embodiments of the present technology, a torpedo car includes a tilting mechanism, a body rotatably coupled to the tilting mechanism, and a controller operably coupled to the tilting mechanism to control tilting of the body. The body can include (i) an inner surface defining a cavity and a channel, and (ii) an outer surface defining an opening to the cavity and a channel outlet of the channel spaced apart from the opening. The channel can extend between the channel outlet and a channel inlet interfacing the cavity. The inner surface can include a slag dam configured to prevent slag from exiting the opening while the torpedo car tilts. The controller can control the tilting mechanism to control molten metal flow out of the cavity through the channel.

A covered hopper railcar includes a pair of spaced trucks; a three bay covered hopper railcar body on the pair of trucks; and a partition structure separating each bay from an adjacent bay, wherein each partition structure is extending vertically from sloped floor sheets to a roof structure and extending horizontally between side walls of the railcar body, wherein each partition includes a pair of horizontal ribs.

Railcars for transporting granulated metallic units, and associated systems, devices, and methods are disclosed herein. For example, a reinforced railcar apparatus includes a container envelope and a reinforcement liner. The container envelope includes side walls and end walls extending from a floor of the railcar. The side walls are a first length and the end walls are a second length less than the first length. Top portions of the rigid side walls and end walls define an opening of the container envelope through which granulated metallic units are discharged into the railcar assembly. The railcar assembly includes angled interior walls coupled to the bottom surface and extending from a top portion of the end walls to the bottom surface. The reinforcement liner is disposed over a portion of the bottom surface and the angled interior walls. In some embodiments, the railcar assembly includes an open-topped box layered with impact-absorbing material.

A low-carbon granulated metallic unit having a mass fraction of carbon between 0.1 wt. % and 4.0 wt. % is disclosed herein. Additionally or alternatively, the granulated metallic unit can comprise a mass fraction of phosphorous of at least 0.025 wt. %, a mass fraction of silicon between 0.25 wt. % and 1.5 wt. %, a mass fraction of manganese of at least 0.2 wt. %, a mass fraction of sulfur of at least 0.0001 wt. %, and / or a mass fraction of iron of at least 94.0 wt. %.

A railcar modification comprises a pair of spaced trucks; a multiple bay hopper railcar body on the pair of trucks; a hopper floor in the railcar body, wherein each bay of the hopper railcar body has hoppers formed of sloped floor sheets having a hopper floor slope; a plurality of gate adaptors, each gate adapter coupled to the floor sheets of a hopper, wherein the gate adapter includes a plurality of floor sheet panels, a plurality of transition panels and a plurality of gate panels, and wherein a difference in slope angles between the floor sheet panels, transition panels and gate panels combine to form a vertical offset; and a plurality of gates, each gate coupled to one gate adapter.

The invention provides an automatic bottom door opening and closing system and a railway hopper car, and belongs to the technical field of railway hopper cars. The automatic bottom door opening and closing system comprises a ground door opening power transmission touch assembly, a ground door closing power transmission touch assembly, a vehicle-mounted control part, a vehicle-mounted door opening power taking touch part and a vehicle-mounted door closing power taking touch part; the vehicle-mounted control part is connected with the bottom door two-way air cylinder and an air source, the vehicle-mounted door opening electricity taking touch part is electrically connected with the vehicle-mounted control part, and the vehicle-mounted door opening electricity taking touch part is used for making contact with a ground door opening electricity transmission touch assembly so that the vehicle-mounted control part can control a door opening cylinder of the bottom door two-way air cylinder to communicate with the air source; the vehicle-mounted door-closing electricity-taking touch component is electrically connected with the vehicle-mounted control component, and the vehicle-mounted door-closing electricity-taking touch component is used for making contact with a ground door-closing electricity-transmitting touch component so that the vehicle-mounted control component can control a door-closing cylinder of the bottom door two-way air cylinder to communicate with an air source. According to the automatic bottom door opening and closing system, the bottom door can be automatically opened and closed in the running process of the vehicle, and misoperation can be avoided.

Systems for continuous granulated metallic unit (GMU) production, and associated devices and methods are disclosed herein. In some embodiments, a continuous GMU production system includes a furnace unit, a desulfurization unit, a plurality of granulator units, and a cooling system. The furnace unit can receive input materials such as iron ore and output molten metal. The desulfurization unit can reduce a sulfur content of the molten metallics received from the furnace unit. Each of the plurality of granulator units can include a tundish that can control the flow of molten metallics and a reactor that can granulate the molten metallics to form GMUs. The cooling system can provide cooled water to the reactor. Continuous GMU production systems configured in accordance with embodiments of the present technology can produce GMUs under continuous operations cycles for, e.g., at least 6 hours.

A hopper bottom door unit mounted to a hopper body (200) of a hopper (1000), the hopper body (200) of the hopper (1000) being provided with a discharge opening. The hopper bottom door unit (100) comprises: a bottom door mechanism (110), which is mounted to the hopper body (200) and has a shielding position in which the discharge opening is shielded and an open position in which the discharge opening is exposed; a door closing drive assembly (120), which is mounted to the hopper body (200) and connected to the bottom door mechanism (110), and is configured to drive the bottom door mechanism (110) to move to enable the bottom door mechanism (110) to be located at the shielding position; and a door opening drive assembly (130), which is mounted to the hopper body (200) and connected to the bottom door mechanism (110), and is configured to drive the bottom door mechanism (110) to move to enable the bottom door mechanism (110) to be located at the open position.

The utility model discloses a hopper car bottom door unit type opening and closing mechanism, and belongs to the field of railway hopper cars. The opening and closing mechanism comprises an air cylinder, a connecting rod, two fixed supports, two driving crutches, two driving rods, two flexible connecting bases and a pin shaft. One end of the connecting rod is connected with the air cylinder, the lower portions of the left end and the right end of the connecting rod are connected with the driving crutches respectively, the two driving crutches are connected to a middle beam of the hopper car through fixing supports respectively, and the other ends of the driving crutches are connected with the driving rod through flexible connecting bases. Structures at the lower parts of the left and right ends of the connecting rod are symmetrically arranged; the bottom ends of the two driving rods are located at the two ends of the bottom door respectively and connected with the bottom door through bottom door supports. The opening and closing mechanism provided by the utility model can realize the function of independently controlling the opening and closing of the bottom door; the structure is simple, manufacturing cost is low and maintenance is convenient.

A system, method and assembly for detecting the operational status of one or more discharge gates on one or more railcars. The system and method monitor parameters that include whether the discharge gate is open or closed, whether the railcar is in motion or not, and whether the railcar is in a location where it is acceptable for the discharge gate to be open. Sensors carry out the monitoring, and the information obtained by monitoring the parameters are used to determine if a notification event has taken place and if so, a notification of such event can be transmitted to a remote receiver. A change in the status of any one of the monitored parameters can trigger the determination of whether a notification event has occurred.

According to the coal hopper car connecting rod protection device and the lower connecting rod, a pipe body is connected to a threaded section of the lower connecting rod in a threaded mode, the two ends of the pipe body are provided with an outer end face and an outer clamping ring respectively, a limiting sleeve comprises two half sleeve bodies, and one end of the limiting sleeve is provided with an inner ring groove matched with the outer clamping ring; the locking mechanism is used for limiting separation of the two half sleeve bodies, the pipe body of the connecting rod protection device of the coal hopper car is in threaded connection with the threaded section of the lower connecting rod, one end of the limiting sleeve is connected with the tank body, and the other end of the limiting sleeve is connected with the lower connecting rod through the limiting groove. And the root of the threaded section is wrapped in the limiting sleeve, so that the axial limiting effect of the limiting sleeve on the lower connecting rod transmission pipe body is achieved, after the root of the threaded section is broken, the threaded section can still be prevented from being separated from the lower connecting rod through the limiting sleeve, the lower connecting rod continues to play a role, and a layer of insurance is provided for the lower connecting rod.

The utility model discloses an air track pneumatic tire coal transport vehicle and an air track transport system. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, the vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is strong, and the maintenance is more convenient.

The invention discloses a reinforcing ring assembling process, a hopper car end wall supporting piece and an assembling device and method. The technical problem that in the prior art, the assembling precision of a reinforcing ring is low is solved. According to the reinforcing ring assembling technology, firstly, the base material is bent and formed, a reinforcing ring blank is obtained, the two butt-joint ends of the reinforcing ring blank are arranged in an overlapped mode but not connected, and welding deformation can be conveniently released in the subsequent welding step. And then the reinforcing ring blank is placed in the inner hole of the supporting plate, and one arc section of the reinforcing ring blank abuts against the hole wall of the inner hole and is fixed through spot welding. The welding position of the reinforcing ring blank and the supporting plate is arranged on the arc section, the reinforcing ring blank can abut against the hole wall of the inner hole through the elastic restoring force of the arc section of the reinforcing ring blank, and pseudo soldering is avoided. And the operation is repeated, and other arc segments are fixed in sequence. And finally, the process allowance of the butt joint end of the reinforcing ring blank is cut off, connector butt joint and spot welding are conducted, and assembling of the reinforcing ring is completed.

The application discloses a two-stage locking mechanism of a railway hopper car bottom door and relates to the technical field of railway hopper cars.The two-stage locking mechanism comprises a handle assembly, a first pull rod assembly, a lever fulcrum assembly, a second pull rod assembly, a rotating shaft assembly, a pull spring seat, a pull spring, a third pull rod assembly and a locking lever assembly; the handle assembly is fixed on both sides of a chassis; the lever fulcrum assembly is fixed below a vehicle; the two ends of the first pull rod assembly are movably connected with the handle assembly and the lever fulcrum assembly through pin shafts; the second pull rod assembly is movably connected with the rotating shaft assembly through a pin shaft; the pull spring seat is fixed in the middle of the chassis; one end of the pull spring is sleeved in the pull spring seat, and the other end of the pull spring is connected with the rotating shaft assembly; and the third pull rod assembly is movably connected with the rotating shaft assembly and the locking lever assembly through pin shafts. The two-stage locking mechanism is manually opened and closed, ground facilities need not be separately arranged, and manufacturing cost is reduced.

A secondary locking mechanism for a bottom door of a railway hopper car, which relates to the technical field of railway hopper cars. The secondary locking mechanism comprises a handle assembly (1), a first pull rod assembly (2), a lever fulcrum assembly (3), a second pull rod assembly (4), a rotating shaft assembly (5), a tension spring seat (6), a tension spring (7), a third pull rod assembly (8), and a locking lever assembly (9), wherein the handle assembly (1) is fixed on two sides of an underframe; the lever fulcrum assembly (3) is fixed below the car; two ends of the first pull rod assembly (2) are respectively movably connected to the handle assembly (1) and the lever fulcrum assembly (3) by means of pin shafts; the second pull rod assembly (4) is movably connected to the rotating shaft assembly (5) by means of a pin shaft; the tension spring seat (6) is fixed in the middle of the underframe; the tension spring (7) is sleeved inside the tension spring seat (6) at one end and is connected to the rotating shaft assembly (5) at the other end; and the third pull rod assembly (8) is movably connected to both the rotating shaft assembly (5) and the locking lever assembly (9) by means of pin shafts. The device uses the manually operated secondary locking mechanism, without the need for separately providing ground facilities, thereby reducing manufacturing costs.

The present invention discloses a device for preventing the bottom door of a hopper car from opening unexpectedly and a hopper car, which relate to the field of railway freight cars, comprising: a touch plate, the middle part of which is hinged on a vehicle end partition; a connecting rod, one end of which is hinged to one end of the touch plate, a spring seat being provided on the vehicle end partition, the spring seat being connected to the connecting rod and applying an elastic force to the connecting rod along a first direction; a lock hook assembly being hinged to the other end of the connecting rod, the lock hook assembly comprising a torsion spring, which can cause the lock hook assembly to rotate toward the bottom door; when the connecting rod moves in the first direction, the lock hook assembly can move away from the bottom door; the device for preventing the bottom door from opening unexpectedly is provided with a rotatable touch plate and a lock hook assembly, and during operation, at a different time from the opening and closing of the bottom door, the lock hook assembly locks the bottom door after the bottom door is closed into place, and when the bottom door is opened, the lock hook assembly opens in advance and does not affect the opening of the bottom door, and the locking and opening effects are achieved by the action force of the spring seat and the torsion spring without the need for additional operation.

The invention discloses a central ridge assembly for a grain hopper wagon, which relates to the technical field of railway wagons and comprises a ridge unit with an inverted V-shaped longitudinal section, a composite partition plate assembly arranged in the ridge unit and used for increasing the strength of the ridge unit, and two longitudinal connecting beams arranged at two ends in the ridge unit, the ridge unit comprises a central ridge plate which is located in the center and transversely arranged and two side ridge plates which are transversely and symmetrically arranged on the two sides of the central ridge plate. The longitudinal section of the central ridge plate is in an inverted V shape, the inclination angles of the two inclined faces of the central ridge plate are larger than the repose angle of loaded and transported grains, the two side ridge plates are transversely arranged on the lower surfaces of the corresponding inclined faces, the two side ridge plates are inclined, and the inclination angle of each side ridge plate is the same as the inclination angle of the inclined face connected with the central ridge plate. The section of the central ridge plate is inverted-V-shaped, and the inclination angle of the inclined plane is larger than the repose angle of loaded and transported grains, so that the grains are ensured to be completely unloaded.

The utility model discloses a low-noise bottom-dump mine car which comprises a car box, the car box is installed on a chassis, a bottom door is hinged to the chassis at the position corresponding to an opening in the bottom of the car box, the opening in the bottom of the car box is opened or closed when the bottom door rotates around a rotating shaft of the bottom door, and opening and closing folded plates are arranged on the periphery of the bottom of the car box. Buffer strips are arranged on the other three sides, except the hinged side of the bottom door, of the bottom of the opening and closing folded plate, at least two sets of wheel assemblies are arranged at the bottom of the bottom door, an unloading wheel assembly is arranged at the end, away from a hinged shaft, of the bottom of the bottom door and comprises two unloading wheel mounting bases, and the tops of the unloading wheel mounting bases are connected with the bottom of the bottom door. Unloading wheel axle mounting openings are formed in the bottoms of the unloading wheel mounting seats, unloading wheel axles are mounted in the unloading wheel axle mounting openings, wheel axle grooves are formed in one sides of the unloading wheel axles, clamping plates are clamped on the wheel axle grooves, and the two ends of the clamping plates are connected with the unloading wheel mounting seats at the two ends of the unloading wheel axle mounting openings respectively; the technical problem that in the prior art, a bottom-dump mine car generates large noise is solved.

The invention discloses an underpinning type aerial rail transport vehicle, a transport system and a transport method.The underpinning type aerial rail transport vehicle is connected to the lower portion of a bogie assembly of an aerial rail and comprises a frame assembly and two underpinning assemblies, the frame assembly comprises a middle beam and two sleeper beams oppositely connected to the middle beam, and the two underpinning assemblies are arranged on the frame assembly; the two sleeper beams are connected with the two bogie assemblies correspondingly and located below the bogie assemblies. The two bottom supporting assemblies are oppositely connected with the two sleeper beams, located below the sleeper beams and used for abutting against the bottom of the material box. Wherein a discharging opening is formed in the bottom of the material box. The bottom supporting assembly abuts against the bottom of the material box, the material box can move along with the bottom supporting type aerial rail transport vehicle, and the problem that an existing funnel type material box cannot be connected to the aerial rail transport vehicle in a suspended mode is solved.

The utility model discloses an underpinning type air track transport vehicle and transport system, the underpinning type air track transport vehicle is connected below a bogie assembly of an air track and comprises a frame assembly and two underpinning assemblies, the frame assembly comprises a middle beam and two sleeper beams oppositely connected to the middle beam, and the two underpinning assemblies are connected to the two sleeper beams. The two sleeper beams are connected with the two bogie assemblies correspondingly and located below the bogie assemblies. The two bottom supporting assemblies are oppositely connected with the two sleeper beams, located below the sleeper beams and used for abutting against the bottom of the material box. Wherein a discharging opening is formed in the bottom of the material box. The bottom supporting assembly abuts against the bottom of the material box, the material box can move along with the bottom supporting type aerial rail transport vehicle, and the problem that an existing funnel type material box cannot be connected to the aerial rail transport vehicle in a suspended mode is solved.

The invention discloses an air track pneumatic tire coal transport vehicle, an air track transport system and a coal loading and unloading method thereof. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is high, and maintenance is more convenient.