3043results about "Melt-holding vessels" patented technology

A substrate processing system includes a controller that outputs a control signal for controlling a substrate processing apparatus; and a software interlock component that outputs an interlock signal if a predetermined interlock condition is satisfied. In the substrate processing apparatus, a multiple number of devices of the same kind are provided and each device is selected to be either an interlocked state or a non-interlocked state with other devices. The software interlock component outputs an interlock signal to any one of the multiple number of devices of the same kind if it is determined that the multiple number of devices satisfy the predetermined interlock condition. If any one of the multiple number of devices of the same kind receives the interlock signal, the multiple number of devices are interlocked according to an instruction of the interlock signal regardless of an interlocked state or a non-interlocked state of the devices.

A container lid with a latch handle is taught that incorporates a drinking lip, having a flared brim, configured to interface with a liquid container. A lip sealing ring is disposed on the drinking lip creating a watertight fit between the lip and the container. A lid body, having lid male threads, is configured to interface with container lid female threads, and the lid body includes a bottom cover which forms a dead air space for insulation purposes within the lid. The lid body incorporates a vertical arched handle with a snap-in hinged spring loaded latch for quick release attachment of the container lid and container securely to an object. A lid sealing ring is disposed on the lid body forming a watertight fit between the lid body and the container drinking lip.

An apparatus for filtering molten metal held in a vessel before the metal enters the dosing tube. The filtering apparatus includes an attachment portion that mounts to the dosing tube, a filter body connected to the attachment portion and a planar surface attached to an end of the filter body opposite the attachment portion. The filter body can include a beveled end opposite the attachment portion where the planar surface is attached. The apparatus can be made from a bonded-particle material made from silicon carbide or aluminum oxide held together by an aluminum-resistant binder.

A device for submerging scrap metal includes: (a) a drive source, (b) a drive shaft having a first end and a second end, the first end being connected to the drive source, and (d) an impeller connected to the second end of the drive shaft, the impeller preferably having two or more outwardly-extending blades. Preferably, each of the blades has a portion that directs molten metal at least partially downward. The impeller design leads to lower operating speeds, lower vibration, longer component life and less maintenance. Additionally, the impeller preferably has a connective portion. The connective portion is used to connect the impeller to the shaft and preferably comprises a nonthreaded, tapered bore extending through the impeller.

A closed system for harvesting fat through liposuction, concentrating the aspirate so obtained, and then re-injecting the concentrated fat into a patient comprises as its main components a low pressure cannula having between about 7 to 12 side holes of about 1-2 mm by 2.0 to 4.0 mm, a spring loaded syringe holder with a helicoidal spring to apply a substantially constant pressure over the full excursion of the plunger, and a preferably flexible collection bag which is also preferably graduated, cylindrical over most of its body and funnel shaped at its bottom, all of which are connected through flexible tubings to a multi-port valve. The multi-port valve has two flutter/duck bill valves which restrict the fluid flow to a one way direction which effectively allows the syringe to be used to pump fat out of a patient and into a collection bag in a continuous manner. After the bags are centrifuged to concentrate the fat, the excess fluids are separated and the valve is re-connected to permit the syringe pump to reverse fluid flow to graft the concentrated fat back into the patient.

Tooling systems including a mandrel for receiving, and providing shape to, a metallic deposit applied using a high temperature additive manufacturing device; a metallic cladding applied to the mandrel for reducing contamination of the metallic deposit; and at least one cooling channel associated with the mandrel for removing heat from the system.

The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder.

An apparatus and method are disclosed in which ultrasonic vibration is used to assist the degassing of molten metals or metal alloys thereby reducing gas content in the molten metals or alloys. High-intensity ultrasonic vibration is applied to a radiator that creates cavitation bubbles, induces acoustic streaming in the melt, and breaks up purge gas (e.g., argon or nitrogen) which is intentionally introduced in a small amount into the melt in order to collect the cavitation bubbles and to make the cavitation bubbles survive in the melt. The molten metal or alloy in one version of the invention is an aluminum alloy. The ultrasonic vibrations create cavitation bubbles and break up the large purge gas bubbles into small bubbles and disperse the bubbles in the molten metal or alloy more uniformly, resulting in a fast and clean degassing.

A container does not need a member such as a stoke and the like that are exposed to the molten metal therein, thus the necessity to replace the parts such as the stoke and the like can be eliminated. In addition, there is no structure like the stoke in the container, the operability for the preheating is improved thus the preheating can be performed effectively. In addition, since a flow passage is formed inside the lining with high heat conductivity, inner heat of the container is easily conducted to the flow passage. Thus, the decrease in temperature of the molten metal that flows inside the flow passage can be suppressed to the utmost.

Cap for a container, including a body having an inlet, a spout and a passageway therebetween. The cap also includes a valve movable between a first position wherein the passageway is blocked and a second position wherein the passageway is at least partly unblocked, the valve being biased towards the first position. Furthermore, the cap includes an actuator mounted to the body and engaging the valve. Selective control of the state of the valve is associated with movement of the actuator in a different direction than for securing the valve in the open position. The combination of movements required to lock the valve in the open position is sufficiently complex to reduce its probability of opening unintentionally. Meanwhile, the combination of movements is simple enough to be performed by a single finger.

The invention discloses an amorphous alloy diecasting equipment and an amorphous alloy diecasting process. The amorphous alloy diecasting equipment comprises a fixed die, a movable die, a sealed bin, a protection-gas supplying device, a melting container, a pressing and ejecting cylinder, a driving device and a harmful-gas purifying device; the fixed die and the movable die can be opened and closed, and a die cavity is formed between the fixed die and the movable die in a defining way when the fixed die and the movable die are closed; a sealed chamber is formed in the sealed bin in a defining way, and the sealed bin is provided with a feeding opening; the protection-gas supplying device is connected with the sealed chamber and used for supplying a protection gas to the sealed chamber, wherein the protection gas in the sealed chamber is at positive pressure; the melting container is arranged in the sealed bin; the pressing and ejecting cylinder is communicated with the die cavity and provided with a melt inlet; the pressing and ejecting cylinder is internally provided with a pressing and ejecting piston used for ejecting the melted amorphous alloy into the die cavity; and the harmful-gas purifying device is connected with the sealed chamber and used for purifying the harmful gas in the sealed chamber. The amorphous alloy diecasting equipment disclosed by the embodiment of the invention has a simple structure, adopts the protective gas at positive pressure, does not need to establish a high vacuum degree and has low manufacturing and maintaining cost.

A hydroponic system useful for providing a continuous flow nutrient solution to the roots of a plurality of plants. The system includes a tubular assembly of horizontally inclined members interconnected to each other at elbow joints, and comprising a plurality of cutouts configured to receive the roots of the plurality of plants, and having a top entry and a bottom exit. A pump is configured to pump the nutrient solution to the top entry of the tubular assembly, wherein the angles of the horizontally inclined members allow the solution to flow downward through the tubular assembly before exiting through the bottom to return to the pump.

A pour tube for use in the continuous casting of a stream of molten metal has a bore comprising a plurality of fluidly connected sections that improve the flow of molten metal through the bore. The sections reduce asymmetric flow of the molten metal stream and the likelihood of precipitates clogging the bore. Each section comprises a converging portion and a diverging portion. The converging portion deflects the stream toward the center of the bore, while the diverging portion diffuses the stream. The sections may comprise a plurality of frusto-conical sections. The cross-sectional areas of the sections may increase, decrease, or remain the same size from an upstream to a downstream position.

The invention discloses a high-temperature brazing filler metal, relating to a brazing filler metal. The invention solves the problem that joints obtained by using the prior brazing filler composite material have low shearing strength. The brazing filler metal comprises Ti or TiH2, Ni and Nb. When the high-temperature brazing filler material is used to braze C/SiC composite material and the brazing joint of the C/SiC composite material, room temperature three-point bending strength reaches 50MPa-71MPa, and the room temperature shearing strength of the brazing joint of the C/SiC composite material and metal reaches 90MPa-180MPa, moreover, the retention rate of the 800 DEG C high-temperature shearing strength of the brazing joint is more than 69% and the retention rate of the 800 DEG C high-temperature shearing strength is more than 42%. When the high-temperature brazing filler material is used to braze black lead and the joint of Nb, the room temperature shearing strength reaches 30MPa-60MPa.

The invention discloses a titanium-containing calcium aluminate-high alumina bauxite modified refractory material, as well as a preparation method and application thereof, belongs to the field of refractory materials, and adopts the technical scheme that the modified refractory material comprises 25 to 40 wt% of high alumina bauxite, 25 to 40 wt% of titanium-containing calcium aluminate, and 30 to 35 wt% of co-ground powder, and a phenolic resin binding agent which accounts for 3 to 6 wt% of the total mass of the raw materials is additionally added, wherein the co-ground powder is formed by uniformly mixing titanium-containing calcium aluminate fine powder, alpha-Al2O3 micro-powder, graphite powder, silicon carbide fine powder, graphite powder, silicon carbide fine powder, metal aluminum powder and high-temperature asphalt powder; titanium-containing calcium aluminate comprises the following ingredients by ratio: 76.21% of Al2O3, 10.6% of TiO2, 10.16% of CaO, 0.6% of Fe2O3, 1.82% of MgO, and 0.62% of SiO2. According to the invention, titanium-containing calcium aluminate being industrial slag of steelmaking is effectively recycled, so as to greatly reduce the production and manufacture cost; as titanium-containing calcium aluminate is a solid solution of calcium hexaluminate, calcium dialuminate, aluminum titanate, calcium titanate and rutile, the modified refractory material is favorable in thermal shock resistance and heat-insulating property.

A personal squeeze bottle dispenser has a clamshell housing adapted to receive a squeeze bottle having a push/pull dispensing valve. A slide mechanism is received within the housing and has a collar at one end engaging the push/pull valve, and a spring at the other end to effect automatic return of the slide mechanism upon termination of a dispensing cycle. The spring biases the push/pull valve to the closed position. The clamshell housing is configured with an opening for a thumb pad of the slide mechanism to achieve opening of the push/pull valve and accommodating pressure upon the squeeze bottle. An opening on the backside of the housing, opposite the thumb pad, is also provided to allow the user's fingers to access the squeeze bottle for the application of dispensing force.

The invention relates to a slip for producing a durable, firmly adhering release layer on a substrate, comprising a suspension of solid particles, wherein the solid particles comprise 67-95% by weight of silicon nitride and 5-33% by weight of an SiO₂-based high-temperature binder and the SiO₂-based high-temperature binder is derived from SiO₂ precursors and has been pretreated by heat treatment in a temperature range of 300-1300° C.

The invention further provides shaped bodies comprising a substrate having a durable, firmly adhering release layer and also processes for producing them. The shaped bodies of the invention are suitable for use in the field of corrosive nonferrous metal melts.

The invention relates to a control method for preventing nozzle clogging in a casting process of ultra-low carbon-aluminium deoxidized molten steel, and belongs to the technical field of a steelmaking technology. The technical scheme is that a process path of molten iron desulfurization treatment, converter smelting, converter steel tapping, Rheinstahl Heraeus (RH) vacuum treatment, and continuous casting of a dual-flow slab is adopted to smelt ultra-low carbon steel, so that the castability of the ultra-low carbon-aluminium deoxidized molten steel is improved; the oxygen content of the molten steel of a converter blowing end-point, the carbon content and the temperature of the endpoint are reasonably controlled; a favorable condition is provided for RH vacuum decarburization; pouring is protected in a continuous casting manner; secondary oxidization of the molten steel is prevented by adopting blowing-argon sealing protection of a long-nozzle and a submersed nozzle; secondary oxidization of the molten steel is prevented by using an alkaline covering agent; an occluded foreign substance in the molten steel is well adsorbed; the castability of the ultra-low carbon-aluminium deoxidized molten steel is improved; the targets of no choking of the submersed nozzle and no change of the submersed nozzle in a complete multi-furnace continuous casting process are achieved. Thus, the effect on a casting blank caused by replacement of the submersed nozzle is avoided.

Rare-earth alloy is cast into a sheet (6) or the like by using a tundish (3, 13). The refractory material of the tundish used for casting does not necessitate preheating for improving the flowability of the melt (2). The refractory material used essentially consists of 70 wt % or more of Al2O3 and 30 wt % or less of SiO2, or 70 wt % or more of ZrO2 and 30 wt % or less of one or more of Y2O3, Ce2O3, CaO, MgO, Al2O3, TiO2 and SiO2. The refractory material has 1 g/cm3 or less of bulk density, has 0.5 kca/(mh° C.) or less of thermal conductivity in the temperature range of from 1200 to 1400° C., and has 0.5 wt % or less of ratio of ignition weight-loss under the heating condition of 1400° C. for 1 hour.

A thermally efficient method for the heating a gas permeable wall of a bonded refractory mold wherein the mold wall defines a mold cavity in which molten metal or alloy is cast. The mold wall is heated by the transfer of heat from hot gas flowing inside of the mold cavity to the mold wall. Hot gas is flowed from a hot gas source outside the mold through the mold cavity and gas permeable mold wall to a lower pressure region exterior of the mold to control temperature of an interior surface of the mold wall.

A method and apparatus for alternating pouring into molds, casts or refining hearths from a common hearth in a furnace. The apparatus provides a main hearth, a plurality of optional refining hearths, and a plurality of casting molds or direct molds whereby the refining hearths and molds define at least two separate ingot making lines. The main hearth alternatively pours into a first ingot making line while the other line is prepared, and vice versa allowing for continuous melting.

The invention relates to a ladle working liner and a preparation method thereof, and belongs to the technical field of a ferrous metallurgy ladle process. The ladle working liner is characterized in that a ladle bottom working liner consists of three layers of structures which are ladle bottom working liner flat laid refractory bricks (7), ladle bottom working liner vertical laid refractory bricks (6) and ladle bottom working liner castable (11) from bottom to top in sequence, wherein the iron flow impact region working liner refractory bricks (5) on the lower part of a ladle wall is 20-30 mm thicker than the working liner refractory bricks (3) on the upper part of the ladle wall; a ladle wall coating layer (4) is coated on the outer surfaces of the working liner refractory bricks (3) on the upper part of the ladle wall and the iron flow impact region working liner refractory bricks (5) on the lower part of the ladle wall; and a ladle edge coating layer (10) is coated on the upper part of a ladle edge pressing plate (9). By using the ladle working liner, the service life of the ladle working liner is prolonged by 300-400 heats and the ladle refractory material cost is reduced by over 30 percent on year-on-year basis.

The invention discloses a water gap lining layer material for continuous casting. The material is prepared from the following components in percent by weight: 20-60 percent of corundum, 0-30 percent of electrofusion zirconium mullite, 0-40 percent of fused silica, 3-40 percent of ceramic hollow sphere, 1-10 percent of light burning alumina, 2-6 percent of sintering assistant, 2-6 percent of phosphate bonding agent and 4-8 percent of solid phenolic resin bonding agent. A water gap for continuous casting produced by adopting the material is suitable for cold casting, and a lining basically has no nodule blocking phenomenon; the lining has high strength and does not have phenomena of chambering and abnormal erosion; a water gap has long service life; and the continuous casting production efficiency is improved.

Twin roll caster for continuously casting metal strip comprises a pair of parallel casting rolls (16) to which molten metal is supplied through a delivery nozzle (19). The rolls are mounted on roll carriers (104) moveable on a frame (102) to allow rolls (16) to move toward and away from one another. Biasing units (110, 111) allow inward biasing forces to be applied to the roll carriers (104) so as to bias one of the rolls (104) toward the other. The biasing units (110) incorporate biasing springs and means to adjust the thrust exerted by the springs.

A check valve for connection in a fuel tank filler tube. The valve has a tubular body with a plurality of radially inwardly extending vanes or ribs in the inlet end about a portion of the circumference. The ribs are tapered in the flow direction to deflect the end of a siphoning hose to an offset opening. A valve seat and poppet with a tapered surface are disposed downstream of the ribs, clearance apertures are formed in the side of the tubular body downstream of the valve seat. The tapered surface of the poppet, upon being opened by insertion of the end of a siphoning hose deflects the hose outwardly through the clearance apertures to facilitate further insertion into the tank. The poppet is biased normally closed by a spring.

While a die cast product is produced by a die casting method, an overheated portion of a low pressure die casting metallic pattern is effectively cooled by circulating a cool air and/or a coolant. Therefore, a solidification period of a molten metal in a cavity is minimized, and a quality of products and a durability of the metallic pattern are improved.

A dispensing module for dispensing liquid includes a dispensing body having an inlet, a discharge outlet, and a flow channel therebetween having a valve seat. A needle having a valve element is mounted to the body and reciprocates therein between an open position, in which the valve element is disengaged from the valve seat thereby allowing liquid flow, and a closed position, in which the valve element is engaged with the valve seat thereby preventing liquid flow. A needle guide is mounted to the dispenser body and includes a passage for receiving a portion of the needle. A flexible seal includes a first end coupled to the needle guide and a second end coupled to the needle and moving therewith. An actuator is operatively coupled to the needle and moves the needle between the open and closed positions. The seal includes a central portion with an interior cavity that stretches and compresses as the needle reciprocates.

The invention discloses a pouring material for a steel ladle. The pouring material consists of the following components in part by weight: 40 to 75 parts of alumina-magnesia spinel (between 25 and 0.074 mm), 10 to 20 parts of alumina fine powder, 3 to 7 parts of magnesia powder of which the magnesia content is over 95 percent, 1 to 5 parts of pure calcium aluminate cement, 0.5 to 1.5 parts of silicon dioxide fine powder, 0.05 to 0.5 part of water reducing agent, 1 to 35 parts of corundum (between 25 and 0.074 mm) and 0.5 to 5 parts of hydrated alumina powder. The pouring material for the steel ladle has the advantages of extremely high molten steel corrosion resistance, slag corrosion resistance, slag penetration resistance, no pollution to molten steel when taken as a refractory material for the liner of a molten steel accommodating container for smelting pure steel, slag bonding resistance and very long service life.

A fluid spray device including a reservoir containing fluid, a dispenser head including a dispenser orifice, and an actuator device being on the dispenser head and co-operating with a fixing ring in order to actuate a pump or the valve, said actuator device including at least one actuator element pivotally mounted on said dispenser head, each actuator element including an actuator portion cooperating with said fixing ring, and a presser element on which the user exerts an actuation force, said presser element being pivotally mounted with respect to said dispenser head and extending firstly radially away from said dispenser head, and secondly axially towards the reservoir beyond said fixing ring, said actuator portion being pivotally mounted on said presser element and extending radially and axially towards the fixing ring so as to co-operate with said ring from below, when the device is in the upright position.

The invention provides an electromagnetic cyclone nozzle, comprising a nozzle refractory ceramics tube, which is characterized in that: arranging at least one cyclone electromagnetic field outside the immersion nozzle or ladle nozzle, as adding a electromagnetic cyclone device around the nozzle whose inner and outer parts have water-cool sheathes and mounted on a movable mechanical device. The structure of electromagnetic cyclone device is in the integrated 360 degree annular structure, 180 degree semi-annular structure or split 360 degree annular structure, while the immersion nozzle can be selected from single straight cylinder nozzle, side-hole horizontal nozzle, side-hole inclined nozzle or box-type nozzle. The invention can apply round blank, bloom blank and sheet blank.