313 results about "Gas conditioning" patented technology

Example gas recovery systems include a source gas conditioning assembly configured to condition and compress the inlet source gas to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly fluidly coupled to the hydrocarbon enriched stream, and configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) plant assembly fluidly coupled to the recovery stream configured to provide a carbon dioxide product stream and an enriched recycle stream, a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream, and wherein the source gas conditioning assembly is fluidly coupled to the recycle stream and the hydrocarbon enriched recycle stream.

Example gas recovery systems disclosed herein include a source gas conditioning assembly comprising a compression component and swing adsorption component configured to provide a conditioned source gas, a first membrane assembly to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide plant assembly to provide a carbon dioxide product stream and an enriched recycle stream, and a standalone membrane assembly at least selectively fluidly coupled to the enriched recycle stream, and separates the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream. The swing adsorption component is at least selectively coupled to the enriched recycle stream. The source gas conditioning assembly is fluidly coupled to the recycle stream, and at least selectively coupled to the hydrocarbon enriched recycle stream.

Gas recovery systems include a source gas conditioning assembly including a compression component and a swing adsorption component and configured to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) swing adsorption component configured to provide, from a recovery stream, a CO2 enriched stream and a flush gas stream, a CO2 plant assembly configured to provide, from the CO2 enriched stream, a carbon dioxide product stream and an enriched recycle stream, and a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream.

The invention discloses a gas detector for air pollution detection, and belongs to the technical field of gas detection.The gas detector comprises an outer shell and an inner shell which are arranged in a sleeved mode and used for detecting gas to be detected; the adjusting mechanism is used for adjusting the height and angle of the detection mechanism; wherein an inner air inlet cavity is formed in the inner shell, and an outer air inlet cavity is formed between the outer shell and the inner shell; a sensor is mounted on the inner wall of the inner air inlet cavity; an exhaust pipe communicated with the inner air inlet cavity is arranged on the outer shell, and a fan is mounted in the exhaust pipe; a rotating ring is rotationally arranged on the radial inner wall of the outer shell and used for adjusting the opening and closing states of the inner air inlet cavity, the outer air inlet cavity and the exhaust pipe. The inner gas inlet cavity is a core detection area, a sensor is installed to make direct contact with to-be-detected gas, and the outer gas inlet cavity is a split-flow filtering area and serves as a temporary storage area of follow-up impurities. The exhaust pipe is communicated with the inner air inlet cavity, the fan is arranged in the exhaust pipe, and the fan provides active air suction and exhaust power and supports reverse blowing and cleaning of residual impurities in the cavity.

A hydrogen storage and delivery system delivering storing and dispensing cryogenic liquid and gaseous hydrogen, comprising cryogenic liquid hydrogen storage vessels with heaters 1, 2, 3, ambient tempe

A gas sensor includes a sensor element and a controller. The sensor element includes an element body provided with a measurement-object gas flow section therein, a measurement electrode disposed in the measurement-object gas flow section, an outer pump electrode provided in the element body so that the outer pump electrode comes into contact with a measurement-object gas, a reference electrode, a reference-gas introduction section that causes a reference gas to flow to the reference electrode, and a reference-gas adjustment pump cell constituted by including the outer pump electrode and the reference electrode. The controller performs a moisture-absorption-state diagnosis process of diagnosing a moisture absorption state around the reference electrode based on a pump current flowing through the reference-gas adjustment pump cell when the reference-gas adjustment pump cell is controlled to pump out oxygen from a periphery of the reference electrode to a periphery of the outer pump electrode.

The invention relates to the technical field of terminals, in particular to a gas adjusting method and device for a fruit and vegetable storage space, a medium, a product and a chip. The method comprises the following steps: in a first time period, acquiring a first target concentration of oxygen, a first concentration of ethylene in a fruit and vegetable storage space and a first temperature of the fruit and vegetable storage space; fruits and vegetables of a first type are at least stored in the fruit and vegetable storage space; determining first predicted respiration intensity according to the first concentration, the first temperature, the first type and the first target concentration; acquiring first power consumption of the nitrogen making machine; determining a first balance value according to the first predicted respiration intensity, preset target respiration intensity and first power consumption; under the condition that the first balance value is smaller than the preset balance value, the oxygen concentration in the fruit and vegetable storage space is adjusted to be the first target concentration. Therefore, accelerated maturation of the fruits and vegetables caused by too high respiration intensity of the fruits and vegetables can be avoided, and high cost caused by too much nitrogen input of the nitrogen making machine can also be avoided.

The invention relates to the technical field of VOCs recovery treatment, in particular to a coking VOCs tail gas recovery treatment system. The invention provides a coking VOCs recovery processing system which comprises a primary cooler, a coal gas fan and at least one VOCs gas storage tank, the primary cooler is provided with an input port and an output port, the VOCs gas storage tank is connected with the input port through a first pipeline, the coal gas fan is connected with the output port through a second pipeline, the VOCs gas storage tank comprises a tank body and a VOCs gas adjusting part, and the VOCs gas adjusting part is connected with the primary cooler. The VOCs gas adjusting part comprises a nitrogen control assembly, a diffusion assembly, a tail gas control assembly, an oxygen content detector and a pressure detector; the oxygen content detector is connected to the tank body and is used for detecting the oxygen content in the tank body; and the pressure detector is connected to the tank body and is used for detecting the pressure value in the tank body. By controlling the pressure and / or oxygen content of the tail gas, the VOCs tail gas is circulated in the coking gas purification system, and complete treatment of the tail gas and equipment safety are guaranteed.

Example gas recovery systems include a source gas conditioning assembly configured to condition and compress the inlet source gas to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly fluidly coupled to the hydrocarbon enriched stream, and configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) plant assembly fluidly coupled to the recovery stream configured to provide a carbon dioxide product stream and an enriched recycle stream, a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream, and wherein the source gas conditioning assembly is fluidly coupled to the recycle stream and the hydrocarbon enriched recycle stream.

The pyrolysis device comprises a pyrolysis unit and a collection vehicle, the pyrolysis unit comprises a pyrolysis conveying chain plate and a pyrolysis furnace, the collection vehicle is arranged below the discharging end of the pyrolysis conveying chain plate so as to collect pyrolyzed battery pieces, the collection vehicle moves through a track, the track is connected to a plurality of vehicle bins, the collection vehicle is arranged in the vehicle bins, and the collection vehicle is connected with the pyrolysis furnace. And an openable sealing door is arranged at the side part of the pyrolyzing furnace and is used for entering and exiting of the collecting vehicle, and gas adjusting devices are respectively arranged at the gate and the sealing door so as to prevent pyrolysis gas in the pyrolyzing furnace from overflowing outwards. Seamless alternate battery piece recovery is achieved, and the situation that workers enter a high-temperature pyrolyzing furnace and hurt the bodies of the workers is avoided. And pyrolysis gas in the pyrolysis furnace is prevented from overflowing outwards, the oxygen-free atmosphere in the pyrolysis furnace cannot be damaged, the pyrolysis effect is guaranteed, and the equipment utilization rate is increased.

The invention provides a marine air-conditioning refrigeration and fresh-keeping device and a ship. The marine air-conditioning refrigeration and fresh-keeping device comprises a fresh-keeping storehouse, and a refrigeration air cooler, an ozone generator, a temperature sensor, a humidity sensor, an air pressure sensor and an oxygen concentration sensor are arranged in the fresh-keeping storehouse; the gas conditioning machine is connected with the fresh-keeping storehouse through a pipeline and is used for adjusting the gas concentration and gas components in the fresh-keeping storehouse; the temperature sensor is electrically connected with the refrigeration air cooler; the humidity sensor is electrically connected with the humidifier, and the humidifier is used for adjusting the air humidity in the fresh-keeping storehouse; the oxygen concentration sensor is electrically connected with the deaerator, and the deaerator is used for discharging oxygen in the fresh-keeping storehouse; the air pressure sensor is connected with the air supply device, and the air supply device is used for supplementing air into the fresh-keeping storehouse; and the ozone generator is used for providing ozone for the fresh-keeping storehouse to achieve a sterilization effect. The fresh-keeping effect of fruits and vegetables in the warehouse is effectively improved by adjusting the temperature and humidity in the warehouse and the content of oxygen and air and assisting ozone sterilization.

The utility model discloses an air conditioning device and refrigeration equipment with the air conditioning device, and the air conditioning device comprises an air conditioning module which is used for preparing oxygen conditioning gas and is provided with a gas collecting cavity; the water tank is provided with a filtering area; the oxygen adjusting gas path is communicated with the gas collecting cavity and the water tank, a tail end pipe of the oxygen adjusting gas path is inserted below the liquid level of the filtering area, and the oxygen adjusting gas path is provided with a suck-back buffering cavity. According to the controlled atmosphere device and the refrigeration equipment with the controlled atmosphere device, the controlled atmosphere gas can be washed with water to wash away electrolyte particles carried in the controlled atmosphere gas, and therefore the situation that food materials are polluted due to the fact that the electrolyte particles are brought into the chamber by the controlled atmosphere gas can be prevented; when the air adjusting module stops working, the air pressure in the air adjusting module can be reduced along with the reduction of the temperature, and the problem that the solution in the water box is sucked back into the air adjusting module due to the reduction of the air pressure in the air adjusting module can be prevented by the suck-back buffer cavity in the oxygen adjusting air path.

The invention discloses a combustion suppression device for a battery module, which is mounted at a pressure relief opening of the battery module and forms a flow channel communicated with the pressure relief opening. The flow channel comprises a gas adjusting cavity and a fire extinguishing cavity which are communicated, and the gas adjusting cavity is arranged close to the pressure relief opening; at least one gas adjusting part is arranged in the flow channel, and the gas adjusting cavity is matched with the gas adjusting part so as to adjust the pressure and / or temperature of the high-temperature and high-pressure gas discharged from the pressure relief opening; a detachable container is arranged in the fire extinguishing cavity, the container is arranged in a breathable mode, the container is filled with a solid granular fire extinguishing agent, the fire extinguishing agent can be broken or decomposed under the action of adjusted gas and release fire suppression gas, and the fire suppression gas and the adjusted gas are discharged after being mixed so as to suppress combustion of discharged gas. According to the scheme, the fire suppression gas with effective concentration can be quickly released and maintained in the early stage of thermal runaway of the battery module, the reburning risk is remarkably reduced, the container is replaceable, and the maintenance cost is reduced.

The invention discloses an anti-misoperation GIS equipment gas multi-parameter state monitoring device and a control method thereof. The anti-misoperation GIS equipment gas multi-parameter state monitoring device comprises a partition area, a backflow area, a heat insulation area and a detection area which are closed areas arranged in a shell; an electromagnetic valve is arranged in the partition area and is respectively communicated with the GIS equipment and a gas path of the backflow area; the backflow area is respectively communicated with the gas adjusting assembly of the heat insulation area, the micro-water transmitter of the detection area and the SF6 gas decomposer transmitter through gas paths; the anti-misoperation gas density relay is positioned on the outer side of the shell and is communicated with a gas path of the backflow area; the control assembly is electrically connected with the electromagnetic valve, the micro-water transmitter, the SF6 gas decomposer transmitter, a temperature sensor in the gas adjusting assembly and a GIS equipment control platform, and the density, the micro-water content value and the decomposer content value of the SF6 gas in the GIS equipment are detected in real time. The accuracy of on-line monitoring data is improved through real-time on-line detection of the density, the micro-water content and the decomposer content of the SF6 gas in the GIS equipment.

The invention provides a gas-liquid two-phase pump jet propulsion device for an underwater navigation body, and belongs to the technical field of underwater propellers, the gas-liquid two-phase pump jet propulsion device for the underwater navigation body comprises a pump jet assembly, the pump jet assembly is installed in a propeller guide pipe, and the propeller guide pipe is fixedly installed at the rear end of a navigation body shell; the pump jet assembly comprises a paddle shaft, a front stator, a rotor and a rear stator which are sequentially installed in the fluid direction. The gas supply unit comprises a high-pressure gas storage container, the high-pressure gas storage container is communicated with a gas adjusting device through a gas filtering unit, the gas adjusting device is communicated with a gas conveying pipe, the gas conveying pipe is communicated with an annular nozzle, the annular nozzle is connected with an inner cavity of an annular mixing cavity, and the annular mixing cavity is installed in the inner cavity of the annular mixing cavity. The annular mixing cavity is located at the rear end of the pump jet assembly. By fusing the pump spraying momentum transfer principle and the gas-liquid two-phase flow control technology, the thrust can be remarkably improved, and the technical breakthrough of reducing the working noise and improving the cavitation critical speed is synchronously realized.

Example gas recovery systems include a source gas conditioning assembly configured to condition and compress the inlet source gas to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly fluidly coupled to the hydrocarbon enriched stream, and configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) plant assembly fluidly coupled to the recovery stream configured to provide a carbon dioxide product stream and an enriched recycle stream, a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream, and wherein the source gas conditioning assembly is fluidly coupled to the recycle stream and the hydrocarbon enriched recycle stream.

Example gas recovery systems include a source gas conditioning assembly configured to condition and compress the inlet source gas to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly fluidly coupled to the hydrocarbon enriched stream, and configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) plant assembly fluidly coupled to the recovery stream configured to provide a carbon dioxide product stream and an enriched recycle stream, a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream, and wherein the source gas conditioning assembly is fluidly coupled to the recycle stream and the hydrocarbon enriched recycle stream.

The embodiment of the invention provides wafer plasma etching equipment which comprises the components of a heating stage on which a wafer is placed, and a plurality of gas feed-in holes which are arranged at the circumferential edge of the heating stage; the pipeline assembly is used for introducing gas into the plurality of gas feed-in holes; and the adjusting mechanism can adjust the speed and / or the amount of gas blown to the wafer by the plurality of gas feed-in holes, so that a flow field above the wafer is changed. A plurality of gas feed-in holes are formed in the circumferential edge of a heating stage, a pipeline assembly introduces gas into the gas feed-in holes, the gas is blown to a wafer through the gas feed-in holes, a gas flow field above the wafer can be changed, the speed or the quantity of the gas blown to the wafer through the gas feed-in holes is adjusted through an adjusting mechanism, and therefore the gas flow field can be changed. The influence range of the gas can be controlled, so that the gas flow field above the wafer can be adjusted, and the etching uniformity of the wafer is ensured.

The invention discloses a vehicle-mounted air conditioning refrigeration house, an air conditioning method and a control system. The vehicle-mounted air conditioning refrigeration house comprises an air curtain pressure difference refrigeration system, and the air outlet end and the air return end of the air curtain pressure difference refrigeration system are arranged on the two sides in the house body so that air curtain pressure difference refrigeration of different modes can be conducted in the house body at different air conditioning stages. The air conditioning system is communicated with the interior of the warehouse body to carry out air conditioning treatment on the interior of the warehouse body; the high-voltage pulse electric field is communicated with the air conditioning system and the interior of the warehouse body so as to sterilize and deodorize gas in the warehouse body; the storage battery is arranged on the outer side of the refrigeration house body to supply power to the air-conditioning refrigeration house power utilization system; the sensor is arranged in the library body and is used for monitoring the environment in the library body and outputting detection data to the gas regulation control system; the gas regulation control system is used for controlling the refrigeration mode of the air curtain differential pressure refrigeration system and the starting of the gas regulation system and the high-voltage pulse electric field according to the detection data; the pre-cooling speed is high, the speed of constructing a modified atmosphere environment is high, and sterilization dead corners and storage tainting of odor do not exist.

Regulator for a gas control apparatus, particularly suitable for installation in a gas transport and / or distribution network, including a containment body with a gas inlet and a gas outlet. Inside the containment body, the regulator includes at least one regulation stage configured to cause a reduction of the pressure of the gas which, passing through the regulator, goes from the inlet to the outlet. The regulator also includes a safety block having a passage opening between an upstream zone and a downstream zone, a shutter for the complete closure of a further passage opening, and a control head having a group for the controlled movement of the shutter.

A gas conditioning system removes contaminants including carbon dioxide from flue gas, such as flue gas of a marine vessel, and includes a rotating backed bed assembly. The rotating packed bed assembly fluidly connects to an exhaust port of an engine, and receive a flue gas from the exhaust port. The rotating packed bed assembly includes a first rotating packed bed having an absorption agent to absorb a portion of the carbon dioxide from the flue gas, and a second rotating packed bed to receive the absorption agent from the first rotating packed bed and desorb at least some of the portion of the carbon dioxide from the absorption agent.

The invention provides a meat preservation method with self-assembled nanoparticles cooperating with a three-layer controlled release film. The method comprises the following steps: S1, selecting fresh meat, removing impurities, cleaning, detecting the muscle fiber density and the total number of initial bacterial colonies, classifying the meat into I / II / III classes according to the standard, and pre-cooling and discharging acid for 18-24 hours under the conditions that the temperature is 0-2 DEG C, the air speed is 0.3-0.5 m / s and the humidity is 85-90%; s2.2, graded loading of dormant-state self-assembled nanoparticles at the temperature of 2-4 DEG C, I-type dip coating, II-type ultrasonic-assisted dip coating, III-type high-pressure atomization spraying and air drying in a blast environment after loading; s3, filling three layers of controlled release films, vacuumizing to-0.095 to-0.09 MPa, keeping for 20 seconds, filling customized controlled atmosphere according to grades, and then performing heat sealing; and S4.0, refrigerating at 0-4 DEG C. By constructing a synergistic mechanism that the self-assembled nano-particle adsorption layer recognizes a decay signal in a close range and the three layers of controlled release films release drugs in a linkage mode and strengthen barrier, the limitation that traditional preservation is passively inhibited and active ingredients are lost quickly is broken through, and the technical problems that bacteriostasis is not lasting, the water-retaining property is poor and sensory quality is prone to deterioration are fundamentally solved; and the fresh-keeping efficiency and the meat quality are both improved.

The utility model discloses an ice fresh big white duck air -conditioning fresh -keeping packaging device belongs to food packaging technical field, aims at the problem that manual pursuit takes out fresh -keeping packaging box and influences overall work efficiency, including the positioning board, the positioning board top fixedly connected with the bottom box, the utility model discloses a collection mechanism is set to when ice fresh big white duck packaging in the inside of the storage box is completed, and is moved to the air cylinder right below following the conveyer chain belt, and the air cylinder drives the push board to go up, and the push board will be pushed up to the inside of the limiting groove storage box, and passes through a plurality of baffle, because the baffle can only rotate unidirectionally, therefore storage box can stably place in a plurality of overlap interface top, along with the work's progress, under the cooperation of the jacks, the air cylinder drives the push board and can push a plurality of storage boxes in turn upwards, can arrange a plurality of packaging boxes in order from top to bottom according to the order of sample, greatly reduces manual intervention, improves the speed and efficiency of packaging production, and remarkably improves work efficiency.

The utility model relates to the technical field of semiconductor processing equipment, in particular to a multi-chamber gas isolation device, which comprises a mounting plate, a gas guide pipe, a gas isolation mechanism and a connecting block, the gas isolation mechanism is connected onto the mounting plate through the connecting block, one end of the gas guide pipe is connected with a gas inlet of the gas isolation mechanism, and the other end of the gas guide pipe is connected with a gas outlet of the gas isolation mechanism. The other end of the gas-guide tube is connected with a gas source. Due to the arrangement of the gas isolation mechanism, the gas isolation devices on the two sides of the cathode cavities form one path of gas, the gas adjustment of the cathode cavities is more controllable, and the gas between the two cathode cavities can be effectively isolated; the problem of gas blow-by is solved, the process environment is optimized, the equipment can cope with various composite film layers, and the applicability is improved.

A twin-fluid nozzle spray apparatus according to one aspect includes a gas regulator that outputs compressed gas at a predetermined pressure in a compressed-gas supply system, a positive displacement pump that includes a relief valve configured to feed pressurized liquid at a pressure exceeding a predetermined pressure in a pressurized-liquid supply system back to a liquid supply side, and outputs the pressurized liquid, a liquid regulator or a needle valve that outputs the pressurized liquid output by the positive displacement pump while maintaining a pressure of the pressurized liquid at a discharge pressure having a predetermined value, and a twin-fluid nozzle that mixes and sprays the compressed gas output by the gas regulator and the pressurized liquid output by the liquid regulator or the needle valve.

Example gas recovery systems include a source gas conditioning assembly configured to condition and compress the inlet source gas to provide a conditioned source gas, a first membrane assembly configured to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly fluidly coupled to the hydrocarbon enriched stream, and configured to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide (CO2) plant assembly fluidly coupled to the recovery stream configured to provide a carbon dioxide product stream and an enriched recycle stream, a standalone membrane assembly configured to separate the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream, and wherein the source gas conditioning assembly is fluidly coupled to the recycle stream and the hydrocarbon enriched recycle stream.

The invention provides automatic pool cleaning equipment which comprises a shell, an air inlet, a buoyancy adjusting system and a sealing bin arranged in the shell, and air is contained in the sealing bin; the buoyancy adjusting system comprises a first buoyancy adjusting assembly and a second buoyancy adjusting assembly; the first buoyancy adjusting assembly communicates with the sealing bin, and the first buoyancy adjusting assembly is configured to be capable of adjusting buoyancy borne by the automatic cleaning equipment for the water pool by sucking gas in the sealing bin; the second buoyancy adjusting assembly is communicated with the air inlet, and the second buoyancy adjusting assembly is configured to be capable of sucking external air through the air inlet and adjusting buoyancy or gravity borne by the automatic cleaning equipment for the water pool. According to the scheme provided by the invention, the automatic pool cleaning device can float and sink at any position.

A sterilization gas conditioning device (20) is described, comprising: a flow circuit (21) having an inlet opening (22) and an outlet opening (23), the inlet opening (22) being configured to receive gas exiting from an internal environment (5); a cleaning device (24) configured to remove particulate matter and / or chemical compounds from the gas; a suction device (25) configured to generate a suction force for guiding at least the gas through the inlet opening (22) and into the flow circuit (21); and at least one separation device (26) configured to separate a liquid phase from the gas. The at least one separation device (26) includes a collection section (27) for collecting the liquid phase. The sterilization gas conditioning device (20) includes at least one piping assembly (30) that fluidly connects the connecting portion (27) to the air inlet (31) of the flow loop (21), thereby forming a closed recirculation loop (32) between a portion of the flow loop (21) and the collection portion (27).

The invention relates to the technical field of petrochemical engineering, and provides a high-pressure natural gas automatic collection control system and a control method thereof. The high-pressure natural gas automatic collection control system comprises a gas receiving assembly which comprises a first gas inlet communicated with a gas pipeline and used for introducing gas to be detected; the gas adjusting assembly is connected with the gas receiving assembly, the gas adjusting assembly is used for adjusting the temperature value and the pressure value of the to-be-detected gas, the gas output assembly is connected with the gas adjusting assembly and comprises a first exhaust port, and the first exhaust port is used for being connected with a sampling container and conveying the to-be-detected gas to the sampling container; the controller is connected with the gas receiving assembly, the gas adjusting assembly and the gas output assembly; the detection assembly is connected with the controller and at least used for detecting the temperature value and the pressure value of the gas to be detected, and the controller is at least used for controlling the gas receiving assembly, the gas adjusting assembly and the gas output assembly to work according to the temperature value and the pressure value.

The invention relates to the field of gas regulating valve equipment, in particular to a regulating valve device and an oxygen cabin pressure regulating method and system.The regulating valve device comprises a first valve and a second valve which are located on a first pipeline and a second pipeline respectively, and the first valve and the second valve are controlled to operate at different opening and closing action time; the second valve is made to conduct gas flow transmission supplement when the first valve is in an unstable state in the response delay period, and continuous and stable gas flow transmission of the first pipeline is achieved; in addition, isothermal adjustment and air inlet and exhaust directional guide adjustment are carried out on the oxygen cabin according to dynamic data and temperature data of gas components in the oxygen cabin. Gas inlet and outlet adjustment is conducted on the oxygen cabin through the adjusting valve device, and it is guaranteed that the stable oxygen supply state and the stable air pressure state are continuously maintained in the oxygen cabin in the gas inlet and exhaust period.