128 results about "Gas uptake" patented technology

The invention relates to a gas discharge detection method, system and equipment based on an ultraviolet spectrum and a medium. The method comprises the following steps: transmitting a frequency-modulated ultraviolet light beam to a gas chamber to be detected, synchronously collecting and processing a transmission light signal in a branching manner, and simultaneously obtaining a modulated spectrum signal for gas absorption analysis and a discrete photon pulse signal for detecting a discharge event; respectively processing the two paths of signals, and extracting sulfur dioxide concentration information and photon radiation characteristics; fusing the two types of features to construct a dynamic feature vector, and obtaining a discharge state grade by using a dynamic Bayesian network diagnosis model; and finally, combining the concentration and state information, and outputting the membership degree of the discharge duration through fuzzy logic. By adopting the method, the fast process and the slow process of partial discharge can be cooperatively monitored, and the early detection sensitivity and the diagnosis reliability are improved.

The utility model relates to the technical field of mine hole sealing, in particular to a deep hole blasting poisonous and harmful gas absorption and hole sealing cooperation device which comprises a first container, a built-in sleeve, a connecting cover, a second container, anti-skid claws, bags, a PC grouting pipe and a steel grouting pipe. The bag is stabilized by the binding tube and the buckle and does not displace; the PC grouting pipe penetrates through the interior of the second container and is fixed to the buckle on the connecting cover, and the buckle of the connecting cover is fixed into the groove of the first container. The assembled device is placed in a rock drill hole, the device is fixed in the drill hole through the anti-skid hook claws, grouting is conducted on the two bags through the PC grouting pipe, and when the pressure rises to 0.8 MPa, the explosion valve in the bag close to one side of the hook claws is opened. When the pressure is increased to 1.2 MPa, the explosion valve in the bag close to one side of the grouting opening is opened and is fastened on the inner wall of the rock drill hole after expansion, so that an inner section hole sealing space is formed in a sealing manner, continuous grouting is performed, when the pressure is increased to 1.6 MPa, grouting on the PC grouting pipe is stopped, the grouting pipe is blocked, then grouting on the steel grouting pipe is performed, and the pressure is increased to 1.2 MPa; and grouting is stopped until the inner section hole sealing space is filled with the grout, and the drilled hole is sealed. After the mining water-gel explosive is blasted, the reactant in the first container reacts with carbon monoxide at high temperature to be converted into carbon dioxide, and after blasting is completed, if other toxic and harmful gas exists, the reactant further reacts with the carbon dioxide through the second container.

We provide a cavity ring-down spectrometer that enables accurate measurement of extremely low-temperature samples. [Solution] The gas absorption spectrometer is a gas absorption spectrometer for measuring a sample gas and comprises a resonator 100A including at least two mirrors, a laser light source that emits laser light for irradiating the resonator 100A, and a photodetector for detecting the light extracted from the resonator. The resonator includes an inner chamber 1A that houses the mirrors 21 and 22 and forms a measurement space 15 into which the sample gas is introduced, an outer chamber 3A disposed outside the inner chamber 1A for vacuum insulation of the measurement space 15 from the outside, and a cooler 9 disposed within the outer chamber 3A, spaced apart from the inner chamber 1A, and having an internal space through which a refrigerant flows.

The invention discloses a hydrogen chloride gas absorption device-modified double-path pure water absorption system and a process method, and relates to the technical field of chemical waste gas treatment and resource recovery. The device comprises a hydrochloric acid synthesis furnace, a first-stage falling film absorber, a second-stage falling film absorber, a combined tail gas absorption tower and a tail gas purification unit which are sequentially connected, as well as a pure water supply system and an automatic control system. The system is characterized in that the pure water supply system is divided into two independent branches through a water inlet header pipe to be connected to the combined tail gas absorption tower, and each branch is provided with an automatic regulating valve. According to the method, a traditional single-path water absorption system is transformed into a double-path standby system through low-cost technical improvement of an existing single-path absorption device, automatic and rapid switching to the other path when one path breaks down is achieved, and therefore the problems that in the prior art, production is discontinuous, product concentration fluctuation is large, and potential safety hazards exist are effectively solved; the effects of efficiently, continuously and safely producing high-concentration hydrochloric acid and realizing near-zero emission of tail gas are achieved.

1. Name of the product in this design: Gas Absorption Cell (Long Optical Path Multiple Reflections). 2. Purpose of this design: for gas detection and gas measurement. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A calibration method includes receiving data characterizing a first pressure broadening coefficient, a second pressure broadening coefficient and a third pressure broadening coefficient of the target gas absorption associated with a first background gas, a second background gas and a third background gas, respectively. The method further includes, determining a molar ratio associated with the second background gas and the third background such that an effective pressure broadening coefficient associated with a target gas mixture including the second background gas and the third background gas mixed at the determined molar ratio is within a predetermined threshold of the first broadening coefficient. The target gas mixture further includes a target gas. The method also includes calibrating a gas analyzer using the target gas mixture to replace the calibration of the target in the first background gas. The calibration is based on absorption of electromagnetic radiation by the target gas in the target gas mixture.

A gas sensor (100) is described, which comprises a gas absorption cell (6), configured to house a gas to be detected, an incandescent light bulb (1) comprising a glass bulb (2) and a filament (3) enclosed in the glass bulb (2). The gas sensor (100) also comprises a first detector (4), configured to detect radiation in a first wavelength range of 1-5 um, and a control unit (7), configured to provide a drive current through the filament (3) of the incandescent light bulb (1) during operation of the gas sensor (100). The gas sensor comprises a second detector (5), configured to detect radiation in a second wavelength range of 6-15 µm radiation. The second detector (5) is arranged such that the second detector (5) is illuminated by radiation from the incandescent light bulb (1) during operation of the gas sensor (100).

A system (10) includes a turbine (56) configured to rotate a rotary shaft (118) about an axis of rotation (700). The system (10) further includes a gas capture system (20) having an absorber (452) configured to absorb an undesirable gas (542) from an exhaust gas (62) into a solvent (544). The gas capture system (20) also includes a stripper (454) configured to strip the undesirable gas (542) from the solvent (562). Additionally, the gas capture system (20) includes a solvent circuit (458) coupled to the absorber (452) and the stripper (454). The solvent circuit (458) is configured to circulate the solvent (544) through the absorber (452) and the stripper (454). Furthermore, the turbine (56) is configured to rotate at least one of the absorber (452) or the stripper (454).

The utility model discloses sensor packaging and welding equipment, which belongs to the technical field of sensor welding and comprises a worktable, a fixing frame fixedly mounted on the worktable, a movable guide rail fixedly mounted at the bottom of the fixing frame, an electric telescopic cylinder fixedly mounted on the movable guide rail, and a laser welding head fixedly mounted on the electric telescopic cylinder. A clamping table is arranged at the top of the workbench, a gas filtering mechanism is arranged on the fixing frame and comprises a first fixing frame fixedly installed on the fixing frame, and one side of the first fixing frame is connected with a suction pipe installed on the fixing frame. Through the arrangement of the gas filtering mechanism, irritant gas generated in the welding process of the sensor can be filtered, the irritant gas is exhausted after being absorbed and filtered, the influence of drifting of the irritant gas on the working environment is effectively avoided, meanwhile, the harm to human health is reduced, and the welding quality of the sensor is improved. And the welding equipment is more practical.

This enhances the carbon dioxide absorption efficiency even when the gas supplied to the carbon dioxide capture device is at a low temperature. [Solution] The carbon dioxide recovery device comprises a gas introduction line into which gas containing carbon dioxide is supplied from the outside; a scrubbing tower that cleans the gas by bringing the gas supplied to the gas introduction line into contact with a cleaning solution; an absorption tower into which an absorbent liquid capable of absorbing carbon dioxide in the gas is introduced and absorbs the carbon dioxide in the gas that has passed through the gas scrubbing tower; a regeneration tower that heats the absorbent liquid that has absorbed carbon dioxide, separates the carbon dioxide from the absorbent liquid, and regenerates the absorbent liquid; and a heating unit that heats the gas supplied to the absorption tower.

The application discloses a medical pipe extruding machine with a waste gas treatment device and relates to the technical field of extruding machine production. The medical pipe extruding machine with the waste gas treatment device utilizes the negative pressure generated in the suction port and the layer pipe when airflow flows at high speed in the annular pipe and the conveying pipe b, absorbs the gas flowing out of the other side outlet of the extruding machine into the annular pipe by using the negative pressure generated in the suction port, and absorbs the waste gas generated by the work in the extruding machine into the inside of the filter cylinder when the layer pipe generates the negative pressure. The waste gas can be sucked into the pipe by using the air pressure difference. Compared with the traditional cleaning mechanism, the pipe only needs to be replaced when the pipe is blocked, the cost is lower, the cleaning is faster, and the suction mechanism can protect the air extractor from being blocked by dirt.

To improve the measuring sensitivity of a component contained in a gas sample without increasing the cost required in the introduction of a gas absorption spectroscopic system.SOLUTION: The gas absorption spectroscopy system includes a resonator, a light source, a driving device, a control device, and a detector. The resonator includes a first mirror and a second mirror. The light source irradiates the resonator with laser light. The driving device changes a length between the first mirror and the second mirror. The control device controls the drive device. The detector outputs a detection signal corresponding to the detected light to the control device. The drive device sweeps at least one of the first mirror and the second mirror in a wave shape around a sweep center, and adjusts a length between the sweep center and the second mirror to a length between the first mirror and the second mirror when the detection signal is acquired in response to the acquisition of the detection signal by the control device.SELECTED DRAWING: Figure 8

The utility model relates to an improved nitrogen distillate absorption device, which comprises a distillation flask, a splash-proof ball tube, a guide tube, a condensing tube and a conical flask with double connecting balls which are connected in sequence, and a dropping funnel is arranged between the distillation flask and the splash-proof ball tube, and is characterized in that the distillation flask is provided with a temperature control device, the guide tube is U-shaped, and the condensing tube is arranged in the conical flask. The conical flask with the double connecting balls is connected to the lower end of the condenser pipe, and the opening of the conical flask with the double connecting balls is S-shaped. The gas absorption and titration device is simple, clear and accurate, and solves the problems that in the prior art, the heating temperature is too high, the temperature control is unstable, and the heating is not uniform; the gas flow speed is too high, so that the absorption is incomplete; the solution absorbed by the conical flask is easy to splash out, and system errors are easy to generate, so that the test is accurate.

The utility model relates to detection equipment for continuous sample introduction of electronic gas absorption liquid. The detection equipment comprises an ion chromatograph, a peristaltic pump and at least one group of sample introduction components, each group of sample introduction assembly comprises a plurality of gas absorption bottles, a cleaning bottle and a first switching valve, the first switching valve is provided with a plurality of first liquid inlets and a first liquid outlet, the gas absorption bottles and the cleaning bottle are respectively communicated with the corresponding first liquid inlets, the first liquid outlet is communicated with the ion chromatograph, and the first liquid inlet is communicated with the ion chromatograph; a peristaltic pump for providing power for liquid feeding of the ion chromatograph is arranged on an output pipeline of the ion chromatograph; the detection equipment disclosed by the utility model adopts a simple and low-cost structure to replace an existing automatic sampler, and a high-cost long-time nitrogen protection mode is not needed; under the condition of ensuring that the samples are not in contact with the external environment, automatic and continuous sample injection of a plurality of samples is realized, and the accuracy of ultra-trace detection of anions and cations in the electronic gas absorption liquid can be ensured in a specific detection scene aiming at the electronic gas absorption liquid.

An apparatus for compact, folded path optical gas detection / measurement in gas absorption spectroscopy, comprises; a gas cell 307 for containing gas to be analysed with gas exchange ports 308 and at l

The application discloses a natural gas purification system. The system comprises a purification reactor, a low-temperature separator, a flash tank, a regeneration tower and connecting pipelines; a high-pressure gas inlet of the purification reactor is connected with a natural gas pipeline, a medium-pressure gas outlet of the purification reactor is connected with a gas inlet of the low-temperature separator, a liquid phase inlet of the purification reactor is connected with an outlet of a filtering system, and a liquid phase outlet of the purification reactor is connected with a liquid inlet of the flash tank; a gas outlet of the low-temperature separator is connected with the medium-pressure gas inlet of the purification reactor through a cold energy recovery device; a liquid outlet of the flash tank is connected with a liquid inlet of the regeneration tower through a lean-liquid-rich-liquid heat exchanger; a gas phase outlet of the regeneration tower is connected with a regenerated gas pipeline, and a liquid phase outlet of the regeneration tower is connected with an inlet of the filtering system through a lean-liquid pump, the lean-liquid-rich-liquid heat exchanger, the cold energy recovery device and a lean-liquid cooler. The application can recycle and utilize pressure energy of high-pressure gas, strengthen gas absorption and purification effect, reduce the amount of absorption solvent and reduce system energy consumption.

The invention relates to the technical field of waste gas treatment, in particular to flue gas desulfurization treatment equipment for glass bottle production. The device comprises an absorption tower and a smoke inlet pipe for introducing smoke, a liquid storage tank is arranged at the bottom in the absorption tower and is connected with a liquid pump, a separator for separating solids is connected behind the liquid pump, one end of the separator for discharging the solids is connected with dehydration equipment, and one end of the separator for discharging liquid is connected with mixing equipment. After active ingredients are added, the mixture is sent back to the absorption tower for spraying, and drying equipment is connected behind the dehydration equipment; the top of the absorption tower is connected with an exhaust pipe; an automatic spraying mechanism is arranged at the top in the absorption tower, and an anti-scaling mechanism is arranged in the reservoir at the bottom; the spraying rotating disc is designed, rotation can be pushed under the action of flue gas flowing, then rotary mist spray is generated, compared with traditional fixed spraying, the treatment efficiency is higher, the cost is lower, and residues obtained after treatment are greatly reduced.

A composition and method for absorption of a selected gas. The compositions amount to porous liquids that include a nanoporous host material suspended in a solvent in the presence of a gas where the nanoporous host material is configured to exclude the absorption of solvent while providing a porosity for gaseous absorption.

Apparatus for gas detection using gas absorption spectroscopy, comprises; gas cell 805 with at least one gas exchange port; at least one radiation source 801 arranged to transmit a diverging beam thro

The utility model discloses a high-temperature waste gas treatment and purification device which comprises a shell, a stirring blade, a stirring rod, a driving assembly, a transmission assembly, a transmission mechanism and a shaking assembly, waste gas enters an adsorption cavity, a filter screen preliminarily filters impurity particles and the like in the waste gas, and the driving assembly drives the shaking assembly, the transmission assembly and the transmission mechanism to operate; a shaking assembly drives a filter screen on one side of a sliding block to shake in a reciprocating mode, so that the filtering efficiency is guaranteed, a transmission assembly rotates to drive a stirring rod to stir activated carbon, the activated carbon makes more sufficient contact with waste gas, a transmission mechanism drives stirring blades and fan blades to rotate, and the stirring blades rotate so that treatment liquid in a purification cavity can be stirred; through the arrangement of the fan blades, the contact reaction between the treating fluid and the gas is more sufficient, so that the treating fluid absorbs harmful gas more completely, the fan blades rotate to accelerate upward flowing of the purified gas, and the efficiency of finally exhausting the gas from the exhaust port is accelerated.

The application provides a gas concentration detection method and device, terminal equipment and medium, comprising: obtaining an original spectrum absorption signal of a to-be-detected gas; performing filtering and smoothing processing on the original spectrum absorption signal, and extracting an upper envelope line of the processed signal; identifying a gas non-absorption wave band in the upper envelope line, calculating a reference amplitude value according to the maximum value and the minimum value of the envelope line in the gas non-absorption wave band; constructing a baseline according to the reference amplitude value, and determining a target gas absorption segment on the upper envelope line by using the baseline; taking the length of the target gas absorption segment as a concentration inversion characteristic value representing the gas absorption intensity, and detecting the gas concentration of the to-be-detected gas based on a pre-constructed concentration inversion model and the concentration inversion characteristic value. The application can improve the accuracy of gas concentration measurement.

The utility model discloses a portable multi-channel gas absorbing and sampling system which comprises a sampler and a plurality of sampling pipes, the sampling pipe comprises a bottle body and a bottle cap matched with the bottle body, the bottle cap is communicated with an air inlet pipe and an air outlet pipe, and an aeration head is arranged at the bottom end of the air inlet pipe; the sampler comprises a sampling pipe bracket, a multi-channel flow pump and a plurality of flowmeters; a sample collection inlet, a waste gas outlet, a gas inlet group and a gas outlet group are arranged on the sampling pipe bracket; the sample collection inlet, the gas inlet group, the sampling pipe, the gas outlet group, the flow meter, the multi-channel flow pump and the waste gas outlet are connected through hoses to form a plurality of gas absorption channels. The portable multi-channel gas absorbing and sampling system disclosed by the utility model is small in size, simple and compact in overall design, simple and convenient to connect all parts, and free from complicated mounting and debugging processes; the multi-channel design can be used for sampling various gases at the same time, so that the sampling efficiency is greatly improved.

The invention discloses an acid resistance testing device and method and relates to the field of testing devices. The acid resistance testing device comprises a test kettle, a plurality of liquid storage tanks arranged above the test kettle, an acid gas absorption pool, an acid liquor recovery pool arranged below the test kettle, at least one heater arranged at the inner bottom of the test kettle, a sample fixing frame arranged in the test kettle and a weighing device connected to the inner bottom wall of the test kettle, the bottom of each liquid storage tank is connected with a liquid feeding pipe through a liquid outlet pipe, the liquid feeding pipe is connected with the test kettle, each liquid outlet pipe is provided with a first control valve, and the liquid feeding pipe is provided with a flow valve; the acid gas absorption tank is connected with the top of the test kettle through an exhaust pipe; the acid liquor recovery pool is connected with the bottom of the test kettle through a drain pipe, and the drain pipe is provided with a second control valve; the weighing device is used for measuring the mass of the sample fixing frame. The acid resistance testing device and method can simulate an acid liquid or gas environment to test the sample, so that the acid resistance of the sample is accurately and comprehensively evaluated, and the safety risk of testing personnel is avoided.

The application discloses a gas treatment reactor with a back-mixing inner part and belongs to the technical field of gas treatment equipment. The gas treatment reactor comprises a cylinder, an upper head connected to the upper end of the cylinder and a lower head connected to the lower end of the cylinder, an exhaust pipe is connected to the upper part of the upper head, a liquid discharge pipe is connected to the lower part of the lower head, a liquid inlet pipe is connected to the upper part of the cylinder below the upper head, a gas inlet pipe is connected to the upper part of the cylinder above the lower head, a back-mixing inner part is installed on the inner wall of the cylinder above the gas inlet pipe, and a defoaming mechanism is also installed on the inner wall of the cylinder. The gas treatment reactor provided by the application is internally provided with the back-mixing inner part, a vortex of liquid phase back-mixing is formed when gas and liquid are contacted at the lower part of the reactor, the mass transfer coefficient is increased, the residence time of the gas-liquid two-phase is increased, meanwhile, the device of the application does not need a large number of tower plates and other components, and the transformation from a gas absorption plate-type tower to a new-type reactor is realized.

This utility model discloses a circuit board soldering fixture, belonging to the field of soldering fixtures. It includes a fixture plate, a gas absorption box at the bottom of which is provided. An outlet pipe is provided on one side of the gas absorption box, with one end connected to the interior of the gas absorption box. A movable groove is formed inside the outlet pipe, which is slidably connected to a movable plate via the movable groove. A support plate is fixedly connected inside the movable plate, and an activated carbon filter plate is provided on the top of the support plate. This circuit board soldering fixture, by incorporating a gas absorption box, an outlet pipe, a movable plate, a support plate, an activated carbon filter plate, and a negative pressure unit, can filter toxic gases generated during soldering, thus preventing workers from inhaling excessive amounts of toxic gases during soldering and potentially harming their health. It also facilitates quick replacement of the activated carbon filter plate, ensuring its filtration effectiveness.

The invention belongs to the technical field of gas detection, and particularly relates to a gas concentration measurement method and system based on adaptive wavelength. The measurement method comprises the following steps: obtaining a waveform curve of a to-be-measured gas absorption signal; if the current waveform curve is distorted, the to-be-detected gas is scanned again after the current scanning interval is widened until the newest waveform curve is not distorted, and the newest waveform curve is subjected to convolution processing to obtain a second reasonable curve; and if K3 continuous sampling points greater than a third set threshold exist in the absorption interval of the second reasonable curve, recording the current second reasonable curve as a third reasonable curve, and calculating the current concentration of the gas to be detected according to the third reasonable curve, on the contrary, the scanning interval corresponding to the current second reasonable curve is narrowed, and then the to-be-detected gas is scanned again. According to the invention, high-efficiency and accurate concentration measurement can be carried out on to-be-measured gases with different concentrations.

A pulsed VCSEL-based ultra-low-power methane wireless monitoring system and a method. A pulse-driven VCSEL methane detection module (1) comprises an MCU control module (11), a pulse drive circuit (12) having an automatic sleep and wake-up function, a VCSEL light source (13), a photodetector (14), a gas absorption cell optical path (15), a temperature and pressure sensor (16), and embedded firmware (17). The monitoring system automatically wakes up a methane node detection device corresponding to the MCU control module (11), receives the ambient temperature acquired by the temperature and pressure sensor (16) at the current moment, controls, for different temperatures, the gas absorption cell optical path (15) to use different absorption peak spectra to perform methane concentration measurement, determines whether a methane concentration is within a preset safety range, if so, switches the pulse-driven VCSEL methane detection module (1) to a sleep mode until a preset sleep time is reached, automatically wakes up the pulse-driven VCSEL methane detection module (1) and re-performs concentration measurement, and if the measured concentration value is consistently within the preset safety range, controls the pulse-driven VCSEL methane detection module (1) to continuously and repeatedly alternate between a "wake-up" mode and a "sleep" mode; and if the methane concentration exceeds the preset safety range, activates an acousto-optic alarm module (2) to give an alarm.

This gas separation method comprises the following steps. A gas absorption liquid is caused to absorb a to-be-separated gas by bringing a mixed gas, which contains to-be-separated gas, into gas-liquid contact with the gas absorption liquid. The gas absorption liquid in which the to-be-separated gas has been absorbed is caused to flow to the outside of a plurality of first hollow-fiber membranes formed using a porous body, and the partial pressure of the to-be separated gas inside each of the plurality of first hollow-fiber membranes is made lower than the partial pressure of the to-be-separated gas on the outside of the plurality of first hollow-fiber membranes, whereby the to-be-separated gas is desorbed from the gas absorption liquid in which the to-be-absorbed gas has been absorbed. The minimum intrusion pressure of the gas absorption liquid, which has absorbed the to-be-separated gas, into the plurality of first hollow-fiber membranes is 100 kPa or higher.

The utility model discloses a split-flow gas filter, which relates to the technical field of gas filters and comprises a gas filter main body, the top end of one side of the gas filter main body is communicated with a lead-in pipe, the surface of the top end of one side of the lead-in pipe is provided with a lead-in control valve, and the surface of the top end of one side of the lead-in pipe is provided with a gas pump. And a power box is fixedly mounted at the top end of one side of the gas pump. The remote signal connector arranged on the gas pump is used for direct remote control connection, the gas pump is used for controlling the leading-in pipe to achieve gas extraction operation, waste needing to be treated is directly led into the gas filter main body, filtering operation is achieved through the filter screen discs on the mounting frames, and the mounting frames are arranged in the gas filter main body, so that the waste treatment efficiency is improved. According to actual needs, the filter screen discs at multiple positions are installed to achieve the multi-layer filtering effect, harmful gas which cannot be filtered is directly absorbed through the gas absorption box, and the gas absorption box is filled with activated carbon.

The invention belongs to the technical field of gas absorption and separation, and discloses a phase separation rate adjustable method-ethanol accelerant which comprises 5mol / L of monoethanolamine, 5mol / L of sulfolane and water as a solvent. The phase splitting speed is obviously increased; the phase splitting time is 32 minutes and 50 seconds before the absolute ethyl alcohol is not added, and the phase splitting time is 6 minutes and 9 seconds after the absolute ethyl alcohol with the volume fraction of 5 percent is added; the method is suitable for different temperatures and concentration ratios, energy loss is reduced, and the method has a good industrial application prospect.