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247 results about "Gas conditioning" patented technology

Gas detector for air pollution detection

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.
Owner:BEIJING CHUANGWEI HI TECH ELECTRONIC TECH CO LTD

Gas sensor and method of diagnosing moisture absorption state of gas sensor

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.
Owner:NGK INSULATORS LTD

Gas adjusting method and device for fruit and vegetable storage space, medium, product and chip

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.
Owner:ZHEJIANG XIAOLIU SUPPLY CHAIN MANAGEMENT CO LTD

Coking VOCs (Volatile Organic Compounds) recycling system

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.
Owner:BEIJING SHOUGANG INT ENG TECH

Systems and methods of renewable natural gas processing

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.
Owner:ALCHEMY CO2 PBC

Air conditioning device and refrigeration equipment with same

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.
Owner:QINDAO HAIER REFRIGERATOR CO LTD +1

Battery module combustion suppression device

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.
Owner:SHENZHEN DIPU MATERIAL TECH CO LTD

Gas-liquid two-phase pump jet propulsion device for underwater vehicle

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.
Owner:HARBIN ENG UNIV

Systems and methods of renewable natural gas processing

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.
Owner:ALCHEMY CO2 PBC

Systems and methods of renewable natural gas processing

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.
Owner:ALCHEMY CO2 PBC

Vehicle-mounted air-conditioning refrigeration house, air conditioning method and control system

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.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Gas regulator

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.
Owner:PIETRO FIORENTINI SPA

Meat preservation method with self-assembled nanoparticles cooperating with three-layer controlled release film

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.
Owner:XINJIANG ACADEMY OF AGRI & RECLAMATION SCI +1

An ice fresh big white fish gas conditioning and fresh keeping packaging device

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.

Twin-fluid nozzle spray apparatus

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.
Owner:TMEIC CORP

Systems and methods of renewable natural gas processing

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.
Owner:ALCHEMY CO2 PBC

Automatic cleaning equipment for pool

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.
Owner:SHENZHEN AIPER INTELLIGENT CO LTD

A sterilization gas conditioning device and a packaging machine having a sterilization gas conditioning device for forming packages filled with pourable products.

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).
Owner:TETRA LAVAL HOLDINGS & FINANCE SA

High-pressure natural gas automatic collection control system and control method thereof

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.
Owner:BEST ENERGY EQUIP TIANJIN

Regulating valve device and oxygen cabin pressure regulating method and system

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.
Owner:HANGZHOU FLEIPTER MATERIAL TECH CO LTD

Gas block for a firearm

A gas block for a firearm may include a body, a barrel bore extending from a first end to a second end of the body and configured to receive a portion of a barrel therein, a gas tube bore extending from the first end toward the second end and configured to receive a portion of a gas tube therein, a gas port extending from the barrel bore to the gas tube bore, and an alignment aperture extending from the gas tube bore to a top side of the body and coaxial with the gas port, with the alignment aperture being configured to allow visualization of alignment of the gas port with a barrel gas port of the barrel.
Owner:JKJD VENTURES LLC

Ignition device for semiconductor tail gas treatment

The invention discloses an ignition device for semiconductor tail gas treatment. The ignition device comprises a collection cavity, a storage cavity, a mixing cavity and a combustion cavity which are connected in sequence, and an ignition system. The ignition system comprises a sensing module, a fuel gas conditioning module, a control module and an igniter. High-concentration tail gas is collected through the storage cavity and released when the concentration is low, the stored tail gas or auxiliary fuel is sprayed into the mixing cavity for dynamic mixing through a mixing execution unit in the fuel gas conditioning module, the mixing proportion is actively adjusted through the control module based on real-time data of the sensing module and a built-in prediction model, and the fuel gas conditioning efficiency is improved. And stable combustible mixed gas is ensured to be formed and is finally ignited reliably by the igniter. The device effectively solves the problem of combustion interruption caused by severe fluctuation of semiconductor process tail gas concentration, and realizes efficient, stable and safe treatment of the tail gas.
Owner:SHANGHAI HEXUAN MECHANICAL & ELECTRICAL EQUIPMENT CO LTD

Rapid detection tool for sintered core body

The utility model belongs to the technical field of integrated boards, and particularly relates to a rapid detection tool for a sintered core body, which comprises a detection board and further comprises fastening heads movably mounted on two sides of the interior of the detection board, connecting cylinders movably mounted on two sides of the fastening heads, connecting clamping blocks fixedly mounted between the connecting cylinders, and clamping blocks movably mounted between the connecting cylinders. Connecting mounting cylinders are fixedly mounted on the two sides of the connecting cylinder, connecting mounting threaded grooves are formed in the connecting mounting cylinders in a threaded mode, and the connecting cylinders are driven by connecting clamping blocks to be movably mounted in the fastening clamping grooves. Then, a connection mounting thread groove is utilized to enable a tightening thread groove formed in an external thread of a tightening cylinder to perform thread mounting, then a tightening block is utilized to drive the tightening cylinder to perform thread adjustment mounting in a connection mounting cylinder, closed gas adjustment can be performed, and the temperature and air pressure of the sintered core body can be adjusted and detected; therefore, the detection accuracy of the sintered core body is improved.
Owner:HUAIBEI BEIKE MASCH CO LTD

Sleeve shaft offset type environment loading in-situ mechanical test device

The invention provides a sleeve shaft offset type environment loading in-situ mechanical test device, and relates to the technical field of material structure property detection. Comprising a driving motor, a top plate, an outer supporting column, a motor fixing plate, a gear set, an upper fixing plate, a bidirectional lead screw forward section, a bidirectional lead screw reverse section, a force sensor, an upper loading cross beam, a lower loading cross beam, a lead screw nut, an inner supporting column, a first flange corrugated pipe, a second flange corrugated pipe, a lower fixing plate, an offset inner sleeve shaft, an offset outer sleeve shaft, a sample upper chuck and a test sample. The device comprises a sample lower chuck, a gas regulating valve interface, a vacuumizing interface, a push rod motor, an in-situ observation window, an environment cabin and a bottom plate, the top plate and the bottom plate are connected through the outer supporting columns, and the motor fixing plate, the upper fixing plate and the lower fixing plate are sequentially connected between the top plate and the bottom plate. The bidirectional lead screw between the upper and lower fixing plates serves as a power transmission core to realize motion conversion; the force sensor collects load data in real time, and sealing isolation in the movement process is guaranteed through the flange corrugated pipe.
Owner:UNIV OF SCI & TECH BEIJING

Method, device, medium, product and chip for gas conditioning of a fruit and vegetable storage space

The application relates to the technical field of terminals, in particular to a fruit and vegetable storage space gas adjusting method, device, medium, product and chip. In the method, a first target concentration of oxygen and a first concentration of ethylene in a fruit and vegetable storage space and a first temperature of the fruit and vegetable storage space are acquired within a first time period; at least a first type of fruit and vegetable is stored in the fruit and vegetable storage space; a first predicted respiration intensity is determined according to the first concentration, the first temperature, the first type and the first target concentration; a first power consumption of a nitrogen generator is acquired; a first balance value is determined according to the first predicted respiration intensity, a preset target respiration intensity and the first power consumption; and the oxygen concentration in the fruit and vegetable storage space is adjusted to the first target concentration in the case that the first balance value is less than a preset balance value. In this way, the respiration intensity of the fruit and vegetable can be prevented from being too large to cause the fruit and vegetable to mature rapidly, and the nitrogen generator can be prevented from inputting too much nitrogen to cause high cost.
Owner:ZHEJIANG XIAOLIU SUPPLY CHAIN MANAGEMENT CO LTD

Litchi preservation device based on temperature and humidity control and gas regulation

The invention discloses a litchi preservation device based on temperature and humidity control and gas regulation, and relates to the technical field of litchi storage equipment. The device comprises a storage box, one side of the storage box communicates with a treatment tank, and first temperature and humidity adjusting equipment is installed on the rear side of the treatment tank; a pretreatment assembly is arranged on one side of the storage box and comprises second temperature and humidity adjusting equipment installed on one side of the storage box and a first temperature and humidity sensor installed in the storage box. Through the design of the pretreatment assembly, litchis can be subjected to a gradual cooling process before storage, the gradual cooling mode effectively avoids cell damage caused by shock cooling of the litchis, the fresh-keeping effect of the litchis is remarkably improved, meanwhile, a temperature and humidity sensor in the pretreatment assembly monitors and adjusts environmental parameters in real time, and the environment quality is improved. The litchis are pretreated under the optimal condition, so that the shelf life of the litchis is prolonged, and good eating taste is kept.
Owner:SAN HUNDRED (GUIZHOU) AGRICULTURAL TECHNOLOGY CO LTD

A fiber oxidation level adjustment system and method

The application discloses a kind of fiber oxidation degree adjusting system, namely method, including oxidation furnace, detection module and gas adjusting module: oxidation furnace is used to oxidize the fiber;Detection module is arranged at the out-silk port of the oxidation furnace, for real-time detection of the oxygen content of the fiber after oxidation, and generates adjustment signal based on the oxygen content;Gas adjusting module is arranged at the position of the gas inlet of the oxidation furnace, for inputting mixed gas into the oxidation furnace, and the gas adjusting module is communicatively connected with the detection module, for adjusting the oxygen content of the mixed gas input into the oxidation furnace according to the adjustment signal.The application generates an adjustment signal by real-time detection of the change amount of the weight of the fiber after oxidation, and then adjusts the oxygen content of the mixed gas input into the oxidation furnace, realizes real-time adjustment of the oxidation degree of the fiber, is convenient and rapid, avoids the occurrence of oxidation degree adjustment hysteresis of the fiber, reduces the gap of oxygen content per unit volume of the fiber, and improves the performance of the fiber.
Owner:SHAANXI TIANCE NEW MATERIAL TECH

An experimental apparatus and method for simulating the movement of metal particles inside a GIS.

This invention provides an experimental apparatus and method for simulating the movement of metal particles inside a GIS (Gas Insulator System). The apparatus includes: a transparent outer shell with a sealed cavity inside, housing an insulator, a central conductor, and metal particles simulating a GIS device; a grounded transparent conductive film disposed on the inner wall of the transparent outer shell; a laser heater disposed outside the transparent outer shell; the laser heater emits a laser beam to the central conductor to heat it; a vibration generator connected to the outer wall of the transparent outer shell to drive the transparent outer shell to vibrate, simulating vibration conditions; and a gas conditioning device connected to the sealed cavity to extract gas from the sealed cavity and introduce insulating gas from the GIS device to regulate the gas environment. This invention provides an experimental apparatus and method for simulating the movement of metal particles inside a GIS, which can solve the problems of heat generation simulation distortion, limited observation, and lack of vibration condition simulation in observation platforms.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO

Gas regulating device, refrigerator and control method

The present application provides a gas regulating device, a refrigerator and a control method, which relate to the technical field of refrigerator gas regulating technology, and include a shell, a diverter device, a sterilizing device and a gas regulating block. The sterilizing device can remove bacteria in the air of the refrigerator's cold storage chamber, and the gas regulating device can remove gases in the air that are not conducive to the preservation of fresh fruits and vegetables. The two together ensure that the food in the refrigerator's cold storage chamber has a longer shelf life and quality guarantee period; the sterilizing device and the gas regulating block are respectively arranged in two independent spaces, and the gas is guided into the sterilizing device and the gas regulating device respectively through the diverter device to treat the air. This design can not only avoid the mutual influence between the sterilizing device and the gas regulating device during operation, but also ensure that the sterilizing device will not be damaged by collision when the gas regulating block is frequently replaced.
Owner:CHANGHONG MEILING CO LTD

Spraying tower structure for spraying dust removal

The invention discloses a spray tower structure for spray dust removal, and relates to the technical field of dust removal equipment. Comprising a tower body; the spraying assembly and the gas inlet assembly are sequentially arranged in the tower body from top to bottom; the liquid storage exhaust box is arranged at the bottom in the tower body; the spraying assembly comprises a spraying water tank arranged outside the tower body, a water outlet of the spraying water tank is provided with an adjusting nozzle box, an adjusting frame is horizontally arranged at the top in the tower body, the adjusting nozzle box is slidably arranged in the adjusting frame, a middle spraying groove is formed in the middle of the adjusting frame, and side spraying grooves are symmetrically formed in the two sides of the middle spraying groove respectively; the air inlet assembly comprises a supporting plate horizontally arranged below the adjusting frame in a spaced mode, two air adjusting boxes are arranged at the two ends of the top face of the supporting plate in a spaced mode, and air inlet pipes are arranged on the side walls of the two air adjusting boxes. The liquid storage exhaust box comprises an exhaust box communicated with the air groove, and an exhaust pipe is arranged on the exhaust box. The waste gas treatment device has the advantages of being beneficial to improving the waste gas spraying treatment effect and the like.
Owner:SU JIANFENGYI INTELLIGENT MFG (JIANGSU) CO LTD