44 results about "Gas supply" patented technology

The present invention relates to a casting-rolling process of magnesium alloy slab and its equipment. Said process includes the following steps: preheating magnesium alloy ingot, smelting said magnesium alloy ingot in smelting furnace with protective gas; transferring the molten magnesium alloy to front tank by means of runner rough, relaining constant temperature in front tank, feeding the molten magnesium alloy into casting-rolling machine by means of lip to make casting and rolling operation, finally using fine rolling machine to make warm-rolling and cold-rolling so as to obtain the finished product plate material with required thickness. Its equipment mainly includes smelting furnace, runner trough, front tank, lip, on-line mixed gas supply device and casting-rolling machine.

A membrane supported bioreactor arrangement and method for anaerobic conversion of gas into liquid products including membrane modules having hollow fibers packed across a cross sectional area of the membrane module, each of the hollow fibers formed from an asymmetric membrane wall having a porous outer layer defining biopores for retaining a porous biolayer about the outer surface of the membrane wall and a less permeable hydration layer around the hollow fiber lumen; a membrane vessel for surrounding the outside of the hollow fibers with a process gas from a gas supply conduit; and a liquid supply conduit operably connected to the hollow fibers for supplying a process liquid to the hollow fiber lumens. The gas supply conduit enables the formation of a biolayer on the outer surface of the hollow fiber wall by interaction of microorganisms with the process gas and the production of a liquid product.

The invention relates to an inverter electric welding machine device with adjustable electric arc, which comprises a welding host machine, a welding torch, a liquid cooling system, a compressed air supply device, a protective gas supply device and an electric arc adjusting device, wherein the welding torch comprises a handle, a main cylinder body, a nozzle, an outer bushing, an inner bushing, a compression screw, a tungsten stick, a ceramic sleeve and a fixed sleeve. An electric arc adjusting device comprises an electric adjusting mechanism, and a control circuit of the electric arc adjusting device mainly consists of a push-and-pull coil and a reversing switch; the direction of current can be changed by switching the reversing switch, namely, the magnetic induction polarity of the push-and-pull coil can be changed, so that the moving direction of an induction magnet coil is forced to be changed, and the inner and the outer bushings of the welding torch are driven to change the moving direction of the tungsten stick; and a manual adjusting mechanism consists of an adjusting disc and a rotating sleeve, wherein the adjusting disc is manually rotated to drive the rotating sleeve to rotate, and the inner and the outer bushings moves up and down to drive the tungsten stick to move by mechanical transmission. The inverter electric welding machine device has the advantages that one welding machine can realize two electric arc types; free electric arc continuous compression can be converted into plasma electric arc; and the structure is simple, and the use is convenient.

The invention relates to an ultrasonic-assisted and gas-shielded welding device adopting an underwater wet method. The device comprises an ultrasonic transducer, a combined welding torch, a conductive rod and an insulation sleeve. The ultrasonic transducer is connected with the combined welding torch, the ultrasonic transducer and the combined welding torch are each provided with a through hole, the through holes are communicated, and the conductive rod and the insulation sleeve are arranged in the through holes. The insulation sleeve is arranged on the radial outside of the conductive rod in a sleeving mode, and a gap is formed between the insulation sleeve and the conductive rod. The device further comprises a waterproof shell and a gas supply unit. The ultrasonic transducer is arranged in the waterproof shell which is communicated with the gap, and the waterproof shell is communicated with the gas supply unit. By means of the ultrasonic-assisted and gas-shielded welding device adopting the underwater method, the ultrasonic and shielding gas combined mode is used for underwater welding, and the effect of water pressure on electric arcs is reduced through ultrasonic; the ionization of the electric arcs is improved through the shielding gas, the stability of the electric arcs is improved, and accordingly the welding quality is enhanced.

An arrangement is disclosed of a gas delivery control system (1) and one or more appliances (AP) including a central heating installation. The one or more appliances are arranged for generating a request signal (S1) indicative for a requested supply of gas by at least one of the appliances. The gas delivery control system comprises, —a controllable gas valve (10) having an input (12) to be coupled to a gas supply (GS) via a conduit (22) and having an output (14), —a control device (30) for controlling the controllable valve, wherein the control device controls the controllable valve in accordance with a value of the request signal of the one or more appliances coupled to the output of the valve via a conduit, —a gas pressure sensor (40) for determining whether the gas pressure in the conduit has a value lower than a pressure reference value, —a reference module (50) for determining whether a predetermined time interval has lapsed since a closure of the controllable gas valve, —an error signaling module (60) for issuing an error signal (Error) if it is detected before a lapse of the predetermined time interval that the gas pressure is lower than the pressure reference value.

The invention discloses a skid-mounting full integration LNG and LCNG remote monitor unattended filling station, belongs to a liquefied or compressed gas supply system, and particularly relates to a skid-mounting full integration LNG and LCNG on-site substation. The skid-mounting full integration LNG and LCNG remote monitor unattended filling station comprises an LNG storage tank, a pump skid, a boost skid, a filling device and a control and monitor device which are installed on a skid body. The skid body is provided with an explosion-proof variable-frequency speed regulator connected to an LNG immersed pump and an LCNG plunger pump, an explosion-proof electric appliance cabinet connected to electric equipment, and the on-site substation using an PLC controller and with input terminal connected to sensors and control terminal connected to valves. The filling station is in no need of constructing a switching room, a control room, a duty room, an office and a rest room on site. Therefore, investment for constructing the station is reduced and construction time is shortened. When wireless network is used, the data of substations can be shared; and the site is in no need of management personnel, maintenance personnel and duty personnel basically.

A cleaning liquid is contained in a cleaning tank (3), and an object (2) to be cleaned is immersed in the cleaning liquid. A pressure reducing means (5) reduces the pressure in the cleaning tank (3) by sucking gas in the cleaning tank (3) and discharging the gas to the outside. A heating means (7) heats the cleaning liquid within the cleaning tank (3). A gas supply means (6) introduces gas into the cleaning liquid within the cleaning tank (3) from a position below the object (2) to be cleaned. After the cleaning liquid is heated to a preset temperature by the heating means (7), the pressure within the cleaning tank (3) is reduced by the pressure reducing means (5) to boil the cleaning liquid, and the gas is introduced into the cleaning liquid by the gas supply means (6) during the boiling. By this, the cleaning liquid is fiercely boiled to increase the effect of cleaning of the object (2) to be cleaned.

A volumetric displacement preservation system for preserving a volume of flowable substance in a vessel. A fluid exchange structure has a stopper, a head portion, and a fluid exchange valve with a first condition where fluid inlet and exhaust pathways in the fluid exchange structure are simultaneously closed and a second condition where the fluid inlet and exhaust pathways are simultaneously opened by conduit joining portions in the fluid exchange valve. A chamber retains a volume of preservative gas and is connected to the fluid inlet pathway externally to the vessel. The preservative gas can be supplied from the chamber into the vessel through the fluid inlet pathway as liquid is exhausted through the fluid exhaust pathway. The chamber can be replenished from preservative gas displaced from the vessel in a reverse volumetric displacement process or from preservative gas supplied by a preservative gas production canister.

A drying device of particle material is provided, which can reduce the heat loss of the heating gas in a feeding hopper and can save power, wherein the drying device (1) of particle material comprises a material hopper (20) and a heated gas supply part (3); the material hopper (20) is used for storing a particle material; the heated gas supply part (3) is used for supplying heated gas to the material hopper (20). The heated gas supply part is provided with a long and thin gas channel (31) and a linear heater (32). One end of the gas channel (31) is provided with a gas input port capable of supplying the gas, the other end is communicated with the inner part of the material hopper; the linear heater (32) is arranged in the gas channel along the gas channel.

The invention discloses a structural material ultra-high temperature corrosion experiment system and method under a serious accident of a nuclear reactor. The system comprises a gas supply system, a vacuum system, an experiment section, a cooling system and a tail gas analysis system; the gas supply system can be used for preparing corrosive gases with different water vapor contents; the experiment section is composed of a high-temperature radiation furnace, a low-temperature radiation furnace, a ceramic reaction tube, a heating wire, an air-cooled copper tube and heat preservation cotton, andtwo quartz glass windows are formed in the side wall of the high-temperature radiation furnace and used for containing a high-speed camera and an infrared temperature measurement probe respectively;the cooling system can provide necessary cooling for key equipment; the tail gas analysis system can measure the concentration of each component of the corrosion reaction tail gas on line, so that high-precision continuous measurement of reaction kinetics is realized; the experiment system further comprises a power distribution system, a numerical control system and a data measurement and acquisition system. The invention further provides an experimental method. By using the method and system, key data are provided for nuclear reactor safety design by carrying out a structural material ultra-high temperature corrosion experiment in a severe accident environment of the nuclear reactor.

On top of respective areas divided by partition plates, that is, a cassette station, a processing station, and an interface section in a coating and developing processing system, gas supply sections for supplying an inert gas into the respective areas are provided. Exhaust pipes for exhausting atmospheres in the respective areas are provided at the bottom of the respective areas. The atmospheres in the respective areas are maintained in a clean condition by supplying the inert gas not containing impurities such as oxygen and fine particles from the respective gas supply sections into the respective areas and exhausting the atmospheres in the respective areas from the exhaust pipes.

The invention relates to a portable micro hollow cathode discharge plasma jet device, comprising a micro hollow cathode discharge electrode, an excitation source module, a gas supply module and an insulating housing, wherein the insulating housing wraps the micro hollow cathode discharge electrode, the excitation source module and the gas supply module in the interior, and a nozzle is arranged atthe front end of the insulating housing. The excitation source module comprises a charging lithium battery, a low-voltage DC voltage stabilizing circuit, a DC voltage boosting circuit, a high-voltagepulse generator and an impedance matching circuit electrically connected in turn, wherein the impedance matching circuit is connected with a micro hollow cathode discharge electrode, the air supply module is connected with the micro hollow cathode discharge electrode and is directly supplied with power by the low-voltage DC voltage stabilizing circuit. As the portable micro-hollow cathode discharge plasma jet device uses air as a gas source, the portable micro-hollow cathode discharge plasma jet device can get rid of the gas supply problem of rare gas, solve the problem of converting glow discharge to arc discharge at high pressure, and generate air glow plasma.

The invention discloses an aquaculture oxygenation system. The aquaculture oxygenation system comprises an air compressor used for supplying compressed air, an air storage tank used for storing the compressed air generated by the air compressor, an air supply main pipe connected to the air outlet end of the air storage tank, and a plurality of oxygenation devices located in pools used for aquaculture, and air supply branch pipes provided with pressure reducing valves are connected to pipe outlets of the air supply main pipe. Each oxygenation device comprises a top plate, side plates and a bottom support, wherein the side plates are arranged on the peripheral side of the top plate in a surrounding mode, oxygenation pipes are arranged at the bottom support in rows, and a guide port is formed in each side plate. The guide ports of all the oxygenation devices in the pools are distributed clockwise or counterclockwise. The peripheral lateral wall of each oxygenation pipe is provided with a plurality of micropores communicated with a pipe cavity of the oxygenation pipe. Each oxygenation device is connected with a pipe outlet in the corresponding air supply branch pipe through pipe openings of the corresponding oxygenation pipes. The aquaculture oxygenation system is stable in air supply and far in delivery distance, oxygenation can be realized without installing the oxygenation devices in all the pools, and the equipment is easy to install, low in energy consumption, low in usage cost and good in oxygenation effect.

The invention discloses an image pickup system and a blast furnace using the same. The image pickup system comprises an image pickup unit, a shell, a clean gas supplying device and at least one flow deflector, wherein the shell is provided with a cavity, and an opening is formed in the cavity; the image pickup unit is arranged in the cavity and is used for shooting images in the blast furnace through the opening of the cavity; the flow deflector is arranged on the inner side wall of the cavity and is positioned close to the opening; the clean gas supplying device is arranged on the shell and is used for providing clean gas to generate eddy current through the flow deflector; and the eddy current flows out of a first shell from the opening of a first shell cavity to eliminate dust accumulated at the opening.

The embodiment of the invention provides a biogas fermentation gas supply engineering control system, comprising a master control sub-system, a programmable logic controller (PLC) control sub-system, a local control sub-system and a controlled sub-system, wherein the PLC control sub-system is respectively connected with the master control sub-system and the local control sub-system; the controlled sub-system is connected with the local control sub-system; the controlled sub-system comprises a material collecting unit, a degritting blending unit, a biogas generating unit, an air storage unit, a mud-water separating unit and a biogas power generation unit; the master control sub-system is used for automatically controlling the controlled sub-system through the PLC control sub-system; and the local control sub-system is used for switching the controlled sub-system between a local manual control state and a remote control state. By adopting the system, the instantaneity, the stability and the reliability of a biogas fermentation gas supply system are significantly improved; information management is facilitated; the operating cost is reduced; the working efficiency is improved; an accident is prevented; and the biogas fermentation gas supply engineering control system has high practical application value.

Short-wavelength photons are used to ablate material from a low work function target onto a suitable substrate. The short-wavelength photons are at or below visible wavelength. The elemental composition of the deposit is controlled by the composition of the target and the gaseous environment in which the ablation process is performed. The process is carried out in a deposition chamber to which a short-wavelength laser is mounted and which includes a substrate holder which can be rotated, tilted, heated, or cooled. The target material is mounted onto a holder that spins the target during laser ablation. In addition, the deposition chamber is provided with a vacuum pump, an external gas supply with atomizer and radical generator, a gas generator for producing a flow of molecules on the substrate, and a substrate cleaning device, such as an ion gun. The substrate can be rotated and tilted, for example, whereby only the tip of an emitter can be coated with a low work function material.

A heat-exchange-type ventilating device (100), provided with a partition wall (21) having a bypass opening (21a) for communicating an exhaust air duct on the upstream side of a total heat exchanger (6) with an exhaust air duct between the total heat exchanger (6) and a humidifier (8), the partition wall (21) partitioning the exhaust air duct on the upstream side of the total heat exchanger (6) anda supply air duct on the downstream side of the total heat exchanger (6) from each other; a bypass damper (18) for opening/closing the bypass opening (21a); and a control unit (23) for performing a control of opening the bypass opening (21a) by means of the bypass damper (18) at a first time, and closing the bypass opening (21a) by means of the bypass damper (18) at a second time.

A facility comprises an inactive gas supplying device configured to supply inert gas to a container, a transport device configured to carry a container into, and out of, a storage section, a first controller configured to control the transport device, a second controller configured to control the inactive gas supplying device, and a third controller configured to transmit a first command to the first controller through a communications relay device, and to transmit a second command to the second controller Hp. The transport device receives electric power from the first electric power supply whereas the inactive gas supplying device, the second controller, the third controller, and the communications relay device receive electric power from one or more different-path electric power supplies each of which is different from the first electric power supply.

The invention discloses a bottle perform stretching control device. The bottle perform stretching control device comprises a stretching machine frame, a stretching cylinder vertically installed on the stretching machine frame and a stretching rod which is arranged on the stretching machine frame in a liftable mode. The stretching cylinder comprises a cylinder barrel and a piston rod, wherein the cylinder barrel is provided with an inner cavity, and the piston rod is inserted in the inner cavity of the cylinder barrel in the mode that the piston rod can move in the vertical direction. The lower end of the piston rod penetrates out of the cylinder barrel and is connected with the stretching rod. The stretching rod rises and falls along with the vertical movement of the piston rod. The control device further comprises a gas source device and a gas source control mechanism, wherein the gas source device is used for inflating the inner cavity of the cylinder barrel with compressed gas, and the gas source control mechanism is used for changing the rising/falling speed of the stretching rod by adjusting the gas supply quantity of the air source device. According to the bottle perform stretching control device, the gas source control mechanism is arranged to adjust the movement speed of the piston rod by adjusting the quantity of compressed air inflated in the inner cavity of the cylinder barrel by the gas source device; the device is simple in structure and low in production cost, the bottle perform stretching time is short, and impact to a bottle perform by the starching rod is effectively reduced, and noise is effectively lowered.

The invention discloses a switch assembly for a synthetic fluid fuel cooker, which comprises a knob and a valve body. The switch assembly for the synthetic fluid fuel cooker has the key points that a preheating valve core cavity, a fuel gas valve core cavity and a fuel valve core cavity which are not communicated with one another are arranged inside the valve body side by side; the preheating valve core cavity is communicated with a preheating inlet and a preheating outlet, and a preheating valve core is arranged inside the preheating valve core cavity; the fuel gas valve core cavity is communicated with a fuel gas inlet and a fuel gas outlet, and a fuel gas valve core is arranged inside the fuel gas valve core cavity; the fuel valve core cavity is communicated with a fuel inlet and a fuel outlet, and a fuel valve core is arranged inside the fuel valve core cavity; a seal ring, a spring and a preheating valve core cap are arranged on the upper part of the preheating valve core; a seal ring, a spring and a fuel valve core cap are arranged on the upper part of the fuel valve core; a fuel pressure plate is fixed on the fuel gas valve core which is movably connected with preheating materials, an ignition pressure plate and the knob; and the middle of the fuel gas valve core is provided with external threads which are matched with internal threads in the fuel gas valve core cavity. The switch assembly for the synthetic fluid fuel cooker has a skillful and flexible structure, integrates preheating, feeding, ignition and gas supply, successfully realizes one-valve control of the synthetic fluid fuel cooker, is safe and reliable, and has low production cost and high promotion value.

An optical irradiation equipment provided with a cage body having an UV radiation transmission window, and an excimer lamp which is arranged in an interior of said cage body, wherein gas flow openings being connected to one of a cooling gas supply mechanism and a cooling gas suction mechanism are provided at a periphery of said UV radiation transmission window.

The invention provides a portable grouting device and a grouting vehicle. The portable grouting device comprises a mobile grouting device, a power supply system and an air supply system, wherein the mobile grouting device comprises a flat car, and a first material cylinder, a second material cylinder, a grouting machine and an electric control cabinet are arranged on the flat car; a first materialsucking pump and a second material sucking pump are arranged in the first material cylinder and the second material cylinder respectively, the first material sucking pump and the second material sucking pump are correspondingly connected with a feeding port of the grouting machine through a material sucking pipe, a material conveying pipe is arranged at a discharging port of the grouting machine,and a grouting gun is arranged on the material conveying pipe; and the first material suction pump and the second material suction pump are correspondingly connected with the air supply system, and the electric control cabinet is connected with the power supply system through a cable. As the mobile grouting device and the power supply system and the air supply system are separately arranged, themovable grouting device is small in size and convenient to move so that the mobile grouting device can be moved into a narrow working area such as an underground tunnel for construction operation, andcompared with a large grouting device, the mobile grouting device is small and portable.

The invention relates to a gas stove with a new structure, which includes a stove and a supporting shell. A furnace is arranged inside the supporting shell, and a stove is installed in the furnace; the stove includes a combustion part, a gas mixing part, and a gas delivery pipe. , Air duct, the bottom of the combustion part is equipped with a gas mixing part, one end of the gas delivery pipe is connected to the gas mixing part, the other end is connected to the gas barrel, one end of the air duct is connected to the gas delivery pipe, the other end is connected to the fan, and the air duct is connected to the inside of the gas delivery pipe The wall is provided with partitions or spiral plates, and the beneficial effects of the present invention are: by setting partitions or spiral plates inside the air pipe and the gas delivery pipe at the same time, the intake vortex is formed, the utilization rate of air is improved, and the excess air coefficient is allowed to be reduced, thereby The total heat taken away by the unused air from the exhaust is reduced, and the utilization rate of fuel is improved.

A configuration including a process chamber for processing a substrate, a gas supply system including supply pipe for supplying a source gas into the process chamber, and an exhaust system including exhaust pipe for discharging an exhaust gas containing the source gas from the process chamber, in which at least one of the supply pipe and the exhaust pipe includes an inner pipe constituting a first flow path of the source gas or the exhaust gas, a member provided outside the inner pipe and constituting a second flow path between the member and an outer wall of the inner pipe, and an outer pipe provided surrounding the inner pipe in order to provide a space between the outer pipe and an outside of the member.

A system for optimizing storage of gas in a storage vessel includes a storage vessel, a gas supply source selectively coupled to the storage vessel to supply gas to the storage vessel, a pressure gauge to measure a pressure within the storage vessel, a plurality of adsorbent materials, a measurement device configured to determine at least one of a weight or a mass of at least the storage vessel, and a computing device. Each of the plurality of adsorbent materials is separately disposed in the storage vessel for individual evaluation. The computing device is communicatively coupled to the measurement device and configured to process information based on the measured weight or mass determined by the measurement device. The computing device is configured to determine a density, an adsorption capacity, and a deadsorption rate of each adsorbent material disposed in the storage vessel based on information determined by the measurement device.