12 results about "Gas analyser" patented technology

A gas analyser comprises a sensor 50 comprising a measuring chamber 30 which takes up a gas sample Gp and generates a signal which correlates with target gas concentration. A filter component 20 comp

A system (100; 1) for analysing gas concentrations before and after a point of gas exchange (PGE; 3, 23) is disclosed. The system (100; 1) comprises a gas inlet line (101; 11, 33a) for conveying a flow of an input gas mixture towards the point of gas exchange (PGE; 3, 23), a gas outlet line (103; 13, 33b) for conveying a flow of an output gas mixture away from the point of gas exchange (PGE; 3, 23), and a gas analyser (105) that is connected to both the gas inlet line (101; 11, 33a) and the gas outline line (103; 13, 33b) and configured to sequentially receive and analyse gas samples from the gas inlet line (101; 11, 33a) and the gas outlet line (103; 13, 33b) in order to determine a presence of a specific gas in the input gas mixture and the output gas mixture.

The invention relates to a gas detection device (10) for an electrolyser (1), comprising a supply conduit (41) for supplying gas to a gas analyser (50), wherein the gas is suppliable to the supply conduit (41) via a separator (14, 22) which is connectable to a cathode side (5) or anode side (4) of the electrolyser (1), wherein the pressure of the gas in the supply conduit (41) is adjustable between an atmospheric pressure and an elevated pressure relative to the atmospheric pressure via a pressure reducer (30, 32) which is operatively connected to the supply conduit (41) and is within an outlet conduit (26, 28).

The application discloses a livestock and poultry farm gas monitoring system based on multi-point arrangement and relates to the technical field of livestock house gas monitoring.The system comprises an edge computing gateway, which identifies airflow stagnation dead angles and dispatches a track moving calibration robot to arrive above a target fixed sensing node according to the running state of a mechanical environmental control system through a reduced-order flow field proxy model; the robot constructs a local isolation zone and applies air pressure drop by using a concentric double-diffuser assembly, thereby triggering node wake-up; then, by means of a micro-heating assembly, a bypass pressure limiting valve and a pneumatic ultrasonic wave, low-damage peeling and residual gas extraction are implemented on the scabbed air-permeable membrane; subsequently, isogenic backfilling air masses are formed by maintaining outer ring diffuser gas supply, and a reference gas analyzer synchronously samples and updates drift compensation parameters or outputs replacement instructions with the target fixed sensing node; and the application can realize non-contact cleaning, in-situ calibration and long-term continuous recovery of the fixed sensing node in a strong turbulent livestock and poultry house environment.

The utility model discloses a built-in soil respiration monitoring system capable of multi-point joint synchronous measurement, which comprises an air chamber, a hemispherical structure is adopted, a light source module, a detection module and a temperature, humidity and pressure sensor are integrated in the air chamber, the light source module emits infrared light with fixed intensity, and the detection module receives a light intensity signal and calculates a CO2 concentration value in a closed space of the air chamber; the top end of the sealing soil ring is tightly attached to the bottom end of the air chamber through a rubber sealing gasket to form a closed space; the ventilation balance valve is used for maintaining air pressure balance inside and outside the air chamber; the driving shaft is connected with the motor and the air chamber support to control opening and closing of the air chamber, and the driven shafts are symmetrically distributed below the driving shaft to stabilize the motion trail. The built-in structure of the CO2 gas analyzer is adopted, measurement can be directly carried out in the gas chamber, an external gas path pipeline is not needed, gas transmission delay can be reduced, and response time can be shortened; the soil respiration monitoring system has the advantages that the soil respiration monitoring system is simple in structure and free of external environment interference, multi-point joint networking synchronous observation within a visual distance of about 10km is realized based on the LoRa central data acquisition controller, and meanwhile, the soil respiration monitoring system is applicable to various complex ecological systems by adopting a firm and durable shell, so that technical support is provided for climate change research.

The invention relates to measuring equipment and may be used to measure the concentration of gases: hydrogen, oxygen, carbon oxide, carbon dioxide, methane, acetylene, ethylene, ethane (H2, О2, CO, CO2, CH4, C2H2, C2H4, C2H6) dissolved in transformer oil. A gas analyzer for gases dissolved in oil comprises a housing accommodating: a control unit, a vacuum extractor for extraction of the gases from the oil via hydraulic lines for supplying the oil from a transformer into the extractor and its discharge, a measuring cell for measuring the concentration of the gases. The measuring cell is connected to the extractor and made as a Herriott optical system for multiple passage of laser radiation from one mirror to another and measuring its output intensity using a photodiode. The measuring cell is connected to a laser module and a reference channel for laser wavelength calibration. There is a membrane assembly installed between the extractor and the measuring cell to prevent the oil from entering the measuring cell. The laser module is configured to ensure operation of each of its three lasers at a certain wavelength to allow measurements of different gases in the gas mixture. The reference channel includes a gas-proof glass transparent container for the gas mixture, and a photodiode. The measuring cell mirrors are provided with heaters and insulations, while the extractor can be calibrated automatically by means of pressure sensors installed in it at different levels to perform extraction at the level of these sensors, with subsequent measurement of gas concentrations at these levels and determination of the gas solubility. The invention will make it possible to improve measuring accuracy.

1. The name of the design product: gas analyzer (portable). 2. The use of the design product: for gas analysis and detection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A residual gas analyser (40) for analysis of a residual gas (30), in particular a residual gas in an EUV lithography system (1), includes an inlet system (41) for admission of the residual gas from a vacuum environment (27a) into the residual gas analyser, and a mass analyser (43) having a detector (44) for detecting ionized constituents (30a) of the residual gas. The residual gas analyser includes an ion transfer device (42) for transferring the ionized constituents of the residual gas to the mass analyser, the ion transfer device having an ion filtering device (45) configured for filtering at least one ionic constituent (30a) of the residual gas. Also disclosed is an EUV lithography system, in particular an EUV lithography apparatus, which includes at least one residual gas analyser configured as indicated above for analysing a residual gas in a vacuum environment of the EUV lithography system.

The utility model provides organic waste gas treatment equipment with a good purification effect, and relates to the technical field of waste gas treatment equipment, the organic waste gas treatment equipment comprises a treatment box, one side of the outer wall of the treatment box is provided with a movable hole I, one side of the outer wall of the treatment box is fixedly provided with a motor I, and the output end of the motor I is fixedly provided with a rotating shaft I. According to the waste gas treatment device, the gas analyzer can monitor the concentration and components of waste gas in real time, so that people can make different treatment decisions according to the actual situation of the waste gas, the rotating shaft, the sealing plate and the catalysis plates are driven to rotate by starting the motor I, and flexible response to waste gas treatment is realized through the different catalysis plates; therefore, the waste gas treatment effect is improved, emission of harmful substances is reduced, the situation that waste gas which is not completely treated is directly discharged to pollute the environment is avoided, manual intervention is also reduced through automatic operation, and the working efficiency is improved.

The embodiment of the utility model discloses a multi-site gas monitoring device, and relates to the technical field of gas monitoring. The multi-site gas monitoring device comprises a plurality of gas sampling pipelines, a sampling pump and an analysis pipeline, and the plurality of gas sampling pipelines are respectively used for receiving gas from different monitoring points. The sampling pump is connected with the plurality of gas sampling pipelines and provides flowing power for gas in the gas sampling pipelines. The analysis pipeline is connected with the sampling pump and used for receiving gas from the gas sampling pipeline, the analysis pipeline comprises a gas analyzer, and the gas analyzer is connected with the gas sampling pipeline through the sampling pump and used for receiving and analyzing the gas. According to the invention, a plurality of sampling pipelines share one gas analyzer, so that the equipment redundancy is reduced.

The utility model discloses an analysis device which comprises a sample gas inlet, a gas storage tank, a sucking pump, a gas analyzer and a gas outlet, an inlet of the gas storage tank is communicated with the sample gas inlet, and the gas storage tank is used for storing sample gas output by the sample gas inlet; one end of the sucking pump is communicated with an outlet of the gas storage tank; the inlet end of the gas analyzer is communicated with the other end of the sucking pump, and the gas analyzer is used for analyzing the sample gas output by the sucking pump; and the gas outlet is communicated with the outlet end of the gas analyzer. The problem that a small-gas-yield PEM water electrolysis hydrogen production test platform cannot directly measure gas components is solved.

A method measures airborne molecular contamination via a measuring station including at least one first and one second gas analysers, at least one sampling line, and at least one valve. The method includes measuring molecular contamination concentrations in the sampling line by the first gas analyser for a first predefined time, fluidic isolation between the first gas analyser and the sampling line via at least one valve, and measuring molecular contamination concentrations in the sampling line by the second gas analyser for a second predefined time.