496 results about "Industrial gas" patented technology

The invention relates to the technical field of gas detection, and particularly discloses an industrial gas concentration detection system, which is used for solving the problems of signal attenuation, low detection precision, high cost and poor stability caused by environmental interference and multi-laser beam combination since a correlation type optical machine adopts a single-path and fixed compensation method and cannot measure multi-component gas at the same time. Comprising a transmitting end and a receiving end, a laser is arranged in the transmitting end, a red light generator is arranged in the transmitting end, an off-axis parabolic mirror is arranged on one side of the transmitting end, an optical filter is arranged above the off-axis parabolic mirror, a photoelectric detector is arranged above the optical filter, a first window is arranged on one side of the off-axis parabolic mirror, a second window is packaged in the receiving end, and a full-angle reflector is arranged on one side of the second window. The photoelectric detector is sequentially connected with a data inversion analysis module, a dynamic environment compensation module and an environment sensing module; by optimizing optical design and dynamic environment compensation, multi-gas concentration detection is realized.

The invention discloses an automatic welding device for a rotary alloy furnace tube, and belongs to the technical field of arc welding equipment.The automatic welding device for the rotary alloy furnace tube comprises a base and a U-shaped bin located at the top of the base, and the two ends of the interior of the U-shaped bin are jointly provided with a centering clamping mechanism used for clamping the outer side of the furnace tube; a driving mechanism for providing power for the centering clamping mechanism to clamp the furnace tube is arranged on the outer side of the centering clamping mechanism, and a welding mechanism is arranged on the inner top of the U-shaped bin. A local sealing design is adopted for the inflation mechanism, the annular air bag is attached to the inner wall of the furnace tube after being inflated, an independent cavity communicated with the outside only through a welding seam gap is formed near the welding seam, the protection requirement can be met only by filling the local space with argon, the whole furnace tube or a large-range external space does not need to be filled, and compared with traditional overall argon filling, the argon filling efficiency is greatly improved. The argon consumption is greatly reduced, the industrial gas purchase cost is remarkably reduced, and the production cost investment is reduced.

The invention provides a method and device for calculating pipeline leakage flow based on pressure change, and belongs to the technical field of gas leakage detection. The method for calculating the pipeline leakage flow based on the pressure change comprises the following steps that S1, a pressure simulation model is established, a pipeline is simulated according to the pressure simulation model, and pressure change data, changing along with time, in the pipeline is obtained; s2, the leakage opening area value and the total gas volume value corresponding to the gas meter and the pipeline are obtained; and S3, establishing a leakage rate calculation model, and inputting the gas total volume value, the leakage port area value and the pressure change data into the leakage rate calculation model to calculate and obtain a leakage flow rate value. The pressure simulation model simulates the pipeline to obtain the pressure change data, the gas leakage flow can be accurately calculated by comprehensively considering the pressure change, the leakage opening area and the gas volume, the method can be widely applied to household and industrial gas pipelines, gas waste is reduced, and environmental pollution is reduced.

The invention relates to an industrial gas tank storage place early warning method and system. The method comprises the following steps: acquiring image time sequence data at least representing temperature field distribution of a target monitoring area, generating a temperature image sequence, determining area temperature change characteristics and tank body surface reflection characteristics in the area, and generating reflection area probability distribution of the target monitoring area to determine initial gas leakage probability data of the target monitoring area; generating baseline feature data at least representing background thermal field distribution of the target monitoring area; and performing association processing on the initial gas leakage probability data and the baseline feature data to generate fusion time sequence features and determine a gas leakage diffusion weight so as to correct the initial gas leakage probability data to obtain corrected gas leakage probability data. By adopting the method, the gas leakage probability can be accurately judged by comprehensively utilizing temperature field time sequence information, tank body surface reflection characteristics and background thermal field distribution characteristics under the condition of a complex background thermal field, so that early warning is realized.

The invention provides an inert gas generation system, and relates to the technical field of industrial gas production. The inert gas generation system comprises the following modules: a gas pretreatment module, an intelligent separation module, a dynamic purification module, a pressure regulation and control module, a quality analysis module, a safety control module and an energy efficiency optimization module, and the gas pretreatment module is used for removing particulate matters through an electrostatic dust collection device by adopting a multi-stage gradient filtering algorithm based on ambient air input, adjusting humidity by combining a dew point control technology, forming a standardized gas source and generating a standard gas source. Through combination of a multi-stage gradient filtering algorithm and a dew point control technology, collaborative treatment of particulate matters and humidity is realized, stable gas source input is formed, the reliability of a subsequent processing link is improved, membrane separation parameters are dynamically predicted by applying a convolutional neural network model, and the permeation efficiency of a hollow fiber membrane stack is optimized.

The invention discloses an industrial gas production monitoring system based on data processing, and relates to the technical field of online monitoring, and the industrial gas production monitoring system comprises a data acquisition module which uses a plurality of sensors with determined positions to acquire real-time parameters in the industrial gas production process; the raw material gas detection module is used for acquiring raw material gas data through various sensors arranged at a raw material gas inlet and a raw material gas outlet and carrying out raw material quality detection on the raw material gas; the parameter monitoring module is used for detecting process parameters of gas production through a temperature sensor, a flow sensor and a pressure sensor; the safety detection module is used for carrying out leakage detection on the industrial gas production device and carrying out factory environment detection by using a multi-gas composite detector; the quality detection module is used for detecting the quality of the produced industrial gas by using a high-sensitivity sensor and a mass spectrometer; and the early warning module is used for carrying out fault detection on the industrial gas production based on all the obtained data and sending out safety early warning according to a fault detection result.

The invention provides a CFB (circulating fluid bed) boiler for heating molten salt by sucking smoke in a tail flue, and belongs to the technical field of CFB boilers coupled with molten salt heat storage. The problem that the scale and efficiency improvement of industrial production are seriously limited due to the fact that a traditional CFB boiler unit is generally lack of high-capacity and high-parameter industrial gas supply capacity is solved. The system comprises a hearth, a separating and returning system and a tail flue, the separating and returning system comprises a cyclone separator, and a low-temperature superheater high-temperature section, a low-temperature superheater low-temperature section, a high-temperature economizer, an SCR device, a low-temperature economizer and an air preheater are sequentially arranged in the tail flue in the flowing direction. A high-temperature flue gas leading-out pipeline is arranged between the low-temperature superheater high-temperature section and the low-temperature superheater low-temperature section, a low-temperature flue gas leading-out pipeline is arranged between the high-temperature economizer and the SCR device, and the outlet end of the high-temperature flue gas leading-out pipeline and the outlet end of the low-temperature flue gas leading-out pipeline are both connected with the inlet end of the mixer. The device is mainly used for the CFB boiler unit.

The utility model discloses a large-area solid electrolyte reactor which comprises two end plates arranged in a mirror symmetry manner as well as an anode, a cation exchange membrane, a central chamber, an anion exchange membrane and a cathode which are sequentially arranged between the two end plates, the two end plates are fastened and connected through bolts, and the anode, the cation exchange membrane, the central chamber, the anion exchange membrane and the cathode are pressed and sealed between the two end plates. According to the utility model, the area of the solid electrolyte reactor is enlarged, the operation stability of the reactor under a long-time condition is enhanced, the electro-catalytic gas reduction efficiency, the product purity and the system stability are improved, and the possibility is provided for an industrialized gas reduction reaction system by utilizing the solid electrolyte reactor.

The invention discloses a self-adaptive environment image processing method for industrial gas detection, which relates to the field of industrial gas detection and comprises the following steps: extracting feature points of a current frame by utilizing a feature point detection algorithm according to image frames of an industrial monitoring video stream, and acquiring coordinates of feature points between frames by combining an optical stream tracking technology; generating affine transformation parameters, performing transformation decomposition on the coordinates of the feature points by using the affine transformation parameters, and extracting pose change parameters to obtain an image motion track; predicting an image motion track by using an image track processing algorithm, and comparing the predicted image motion track with a real-time image motion track generated by the current frame; and optimizing the affine transformation parameters, and carrying out frame-by-frame processing on the video stream by using the optimized affine transformation parameters. Through feature point detection and an optical flow tracking algorithm, image motion information in an industrial monitoring video can be extracted, and industrial application requirements of high real-time performance and high stability are met.

The utility model belongs to the technical field of industrial gas condensation and purification equipment, and particularly relates to a multi-cycle process gas condensation and purification system which comprises a condenser, a heat temperature controller, a purifier and a liquid nitrogen source, the condenser comprises a main body cylinder, the main body cylinder is divided into an air cooling section and a liquid cooling section, the liquid cooling section is located below the air cooling section, cooling liquid is arranged in the liquid cooling section, and an air cooling partition plate is arranged in the air cooling section; the interior of the air cooling section is divided into a first air cooling chamber and a second air cooling chamber through an air cooling partition plate. A first condensation air inlet pipe is arranged on the lower portion of the side wall of the first air cooling chamber. A first condensation air outlet pipe is arranged on the upper portion of the side wall of the second air cooling chamber. A plurality of left heat exchange pipes are arranged in the first air cooling chamber, the tops of the left heat exchange pipes are jointly connected with a second condensation air inlet pipe, the bottoms of the left heat exchange pipes are jointly connected with a second condensation air outlet pipe, and the second condensation air outlet pipe is located at the liquid cooling section; the first air outlet pipe and the second condensate air inlet pipe are connected to the front end and the rear end of the purifier respectively, and the liquid nitrogen source and the third condensate air inlet pipe are connected to the front end and the rear end of the purifier respectively.

The invention discloses an industrial gas cylinder production quality tracing method and system, and belongs to the technical field of quality tracing. The method specifically comprises the following steps: S1, dividing the whole link of industrial gas cylinder production into a plurality of production nodes, and carrying out industrial gas cylinder full-cycle data real-time acquisition on each production node; s2, endowing each industrial gas cylinder with a unique identification code, and binding the industrial gas cylinder full-cycle data of each production node of the industrial gas cylinder to the industrial gas cylinder identification code; and S3, for each industrial gas cylinder with the production quality problem, scanning the identification code of the industrial gas cylinder to analyze a production node responsibility subject with the quality problem currently. Through full-period tracing and risk early warning, it is ensured that the industrial gas cylinder meets the safety standard, the production safety accident risk caused by the quality problem is reduced, the requirement of industry supervision for quality tracing is met, an enterprise can deal with audit and compliance inspection conveniently, manual tracing, unqualified product recall loss and repeated rectification cost are reduced, and the economic benefits of the enterprise are improved.

The utility model relates to the technical field of industrial gas purification and heat energy recovery, and discloses a volatile organic compound-containing gas purification and heat recovery system, which comprises an oxygen supply element, an oxygen dilution device, a raw material gas mixing tank, a heat storage type thermal oxidation furnace, a waste heat recovery device and a purified gas mixing device which are communicated in sequence, wherein the raw material gas mixing tank is provided with an inlet of gas containing volatile organic compounds; and an outlet of the heat accumulating type thermal oxidation furnace is connected with an inlet of the oxygen diluting device and an inlet of the purified gas mixing device. According to the purification and heat recovery system for the gas containing the volatile organic compounds, the gas containing the volatile organic compounds is removed, heat exchange is carried out on cold water in the waste heat recovery device through high-temperature purified gas generated by the heat storage type thermal oxidation furnace, and the energy recovery utilization rate is increased; meanwhile, part of purified gas is returned to the oxygen dilution device, so that the utilization rate of oxygen is increased.

The invention discloses industrial gas on-line monitoring equipment, and relates to the technical field of monitoring equipment.The industrial gas on-line monitoring equipment comprises a monitor installed on a rack, and a gas guide pipe used for guiding industrial gas to be monitored by the monitor is arranged outside the rack; a spacing disc is fixed in the air guide pipe, a plurality of disc channels which are uniformly distributed around the axis of the spacing disc are arranged on the spacing disc, and filter plates are mounted in the disc channels; a side box and a side plate are arranged on the two sides of the spacing disc respectively, the side box is close to the industrial gas inlet end of the gas guide pipe, a shaft pipe is rotationally arranged on the spacing disc, the side box is fixed and communicated to the shaft pipe, and the side plate is movably arranged on the shaft pipe. According to the industrial gas online monitoring equipment, by arranging the side box, the side plate and other structures, rapid cleaning of impurities can be completed without shutdown, it is guaranteed that impurity suction and gas monitoring do not affect each other, meanwhile, the two-way collaborative reverse blowing cleaning effect of reverse blowing and suction is formed, synchronous cleaning of the side box is completed, and the service life of the side box is prolonged. And the use efficiency of the industrial gas online monitoring equipment is improved.

The invention discloses a multi-component laser gas analyzer based on front-end pretreatment, and relates to the technical field of gas detection, the multi-component laser gas analyzer specifically comprises a portable box, a control panel is arranged in the portable box, and a laser gas analysis mechanism is mounted in the portable box and located at the bottom of the control panel; the problem of spectral signal distortion caused by a high-dust and high-humidity environment in industrial gas detection is solved through a front-end pretreatment self-adaptive technology, system downtime caused by single-path blockage is avoided through a double-pipeline redundancy design aiming at the high-dust and high-humidity environment, rapid dehumidification and cooling of a compression and condensation assembly are combined, and the detection efficiency is improved. According to the multi-component laser gas analyzer system, a laser gas analysis mechanism can stably obtain high-precision spectral signals under complex working conditions, meanwhile, multi-stage intelligent early warning and filter element health management are adopted in the system, the maintenance cost is reduced, the service life of equipment is prolonged, the integrated design of the portable box supports on-site rapid overhaul, and the detection efficiency of the whole multi-component laser gas analyzer is improved.

The invention discloses a compressed air centralized supply system based on double-layer LSTM and a control method thereof, and relates to the technical field of energy comprehensive utilization and industrial gas supply, the compressed air centralized supply system comprises a three-way valve, an air exhaust control valve, an air dryer, an air storage chamber, an air supply control valve and a pressure control valve; the method comprises the following steps: collecting related data in an operation process of a gas turbine generator set, and preprocessing the data; constructing a prediction model by adopting a double-layer LSTM algorithm to predict the gas consumption demand and the power grid load, and dynamically adjusting the gas suction rate, the pressure and the gas storage strategy; and by learning and updating the prediction model, performing safety control by adopting redundancy design and a fault detection isolation algorithm, and realizing control on the compressed air centralized supply system. The potential of the air compressor during variable working conditions of the gas turbine generator set is fully developed, compressed air storage and centralized supply are achieved, the air compressor does not need to be driven by electricity after power generation, the primary energy utilization rate is increased, and more environmental protection and energy saving are achieved.

An industrial gas purification catalyst, and a preparation and a use thereof. The catalyst comprises a type A molecular sieve, and MoO3 / WO3 and NiO / CoO loaded on the type A molecular sieve, the content of molybdenum or tungsten being 3-12 wt% in terms of MoO3 or WO3, and the content of nickel or cobalt being 3-7 wt% in terms of NiO or CoO; by molar ratio, the molecular sieve also contains 55%-75% alkali metal or alkaline earth metal that has not undergone ion exchange, the alkali metal or alkaline earth metal being sodium, potassium, or calcium. The catalyst can be used to purify oxygen, olefins, HCN, thiophene, disulfide, mercaptan, sulfide, CS2 and other complex sulfides and / or COS in ammonia-containing and high-CO+CO2 gas sources, to achieve a target purification effect.

The utility model provides a gas heat dissipation system and device, and relates to the field of gas internal combustion engines. The coal gas heat dissipation system comprises a box body, a coal gas pipeline, an air cooling device and a water cooling device, the box body is provided with a containing cavity, an air inlet and an air outlet, and the containing cavity is communicated with the air inlet and the air outlet; the gas pipeline is arranged in the accommodating cavity in a penetrating manner and is communicated with the gas inlet and the gas outlet respectively; the air cooling device is arranged in the containing cavity and located above the gas pipeline. The water cooling device comprises a water storage tank and an atomizing nozzle, the water storage tank and the atomizing nozzle are arranged in the containing cavity and located below the gas pipeline, the water storage tank is connected with the atomizing nozzle and supplies water to the atomizing nozzle, and the atomizing nozzle is arranged towards the gas pipeline. According to the cooling process of the air cooling device and the water cooling device, industrial gas in the gas pipeline is cooled, the cooling effect is improved, the occupied area is small, and the industrial use requirement is met.

The invention provides a method and equipment for preparing crude neon, and relates to the technical field of industrial gas separation. The method comprises the steps of raw material gas acquisition and pretreatment, preliminary adsorption separation, low-temperature rectification separation, further purification and product collection and filling. According to the method, a covalent organic framework material is adopted as an adsorbent, adsorption and rectification conditions are optimized, and membrane separation and secondary adsorption purification technologies are combined, so that neon is efficiently extracted from synthesis ammonia tail gas. The equipment covers raw material gas collection, pretreatment, adsorption separation, rectification, deep purification and filling devices, is equipped with an automatic control system and a safety protection system, and ensures stable, efficient and safe operation. Through combination of multiple technologies, the neon recovery rate and purity are remarkably improved, and energy consumption is reduced.

The invention relates to a fault diagnosis method for a main rotating part and a bearing of an industrial gas turbine. The invention relates to the technical field of gas turbine fault diagnosis, and provides premise setting, engine performance and degradation model establishment, engine fault diagnosis and steady-state and transient model verification. According to the invention, faults of main rotating parts and bearings under dynamic conditions can be diagnosed at the same time, even under the condition of sudden failure; a continuous method for diagnosing faults of an industrial gas turbine using dynamic effect compensation under transient conditions is proposed; under steady-state and transient-state conditions, even under the condition of sudden failure, the health conditions of the three rotating parts and the bearing can be identified at the same time in real time with high precision.

The invention belongs to the technical field of desulfurization gas purification, and particularly relates to a desulfurizing agent and a preparation method thereof. The desulfurizing agent is an iron-zinc-calcium composite oxide material with a hierarchical porous structure, and the preparation method of the desulfurizing agent comprises the following steps: performing amination modification on xanthan gum, then mixing the modified xanthan gum with nano cellulose, and then preparing slurry with a metal salt solution containing Fe, Zn and Ca; performing two-way temperature gradient freezing casting and freeze drying to obtain a precursor; and finally, roasting and activating under programmed temperature control. According to the preparation method, nano-scale dispersion of active components is realized by virtue of strong coordination of aminated xanthan gum and metal ions, and a high-strength and through hierarchical pore framework is constructed by virtue of nanocellulose enhancement and freezing casting. The obtained desulfurizer has ultrahigh one-time sulfur capacity, high mechanical strength and excellent structural stability, is complete in form after being used, is convenient for resource recovery, and is suitable for efficient removal of hydrogen sulfide in industrial gases such as refinery gas.

The invention discloses a hydrogen leakage on-line detection system and method based on a quadrupole mass spectrometry technology, and belongs to the technical field of hydrogen detection.The detection system comprises a gas inlet module, a dynamic dilution module, a six-way valve quantitative sample injection module and a quadrupole mass spectrometry detection system, and rapid and sensitive quantitative detection of hydrogen can be achieved; the usage amount of gas standard substances and samples is saved, and the method is green, efficient and energy-saving. The detection method comprises the following steps: establishing a calibration curve, and calculating the concentration value of an unknown hydrogen sample according to the absolute signal intensity value of the unknown hydrogen sample. The gas standard substance with high concentration is diluted on line to obtain samples with different concentrations, and quantitative detection of trace hydrogen components can be reliably realized for samples with different pressures such as pipelines / gas cylinders, ambient air and the like. The device can be used for on-line measurement of hydrogen components in various industrial gases in high-pressure pipelines or steel cylinders, on-line monitoring of hydrogen leakage in hydrogen related places such as hydrogen refueling stations, and on-line measurement of hydrogen components in scenes such as closed spaces and field exploration.

The application relates to the technical field of industrial park safety management, and discloses an industrial park intelligent safety management early warning method and system, which obtains the production processing type and the planned production time of each production unit in a target industrial park, considers the industrial gas dangerous reaction between the production associated gases corresponding to the production processing type and the planned production time, and then utilizes the production area position and the equipment state data provided by each production unit to perform key monitoring area screening, generates a monitoring and early warning area of the target industrial park, the monitoring and early warning area is an area with higher production danger in the target industrial park, and finally, a safety management detection strategy for guiding the industrial park to perform inspection and maintenance is generated according to the monitoring and early warning area. Therefore, the technical problems that the current safety management scheme for the industrial park has limitations and the early warning accuracy of the key monitoring unit / area is not high are solved.

The invention discloses a preparation method of a biomass-based activated carbon desulfurizer. The method comprises the following steps: 1, crushing, cleaning and drying a biomass raw material to obtain a pretreated material; 2, pre-carbonizing and carbonizing to obtain charcoal particles; 3, introducing water vapor to activate the biochar particles to prepare activated carbon particles; 4, mixing and kneading the activated carbon particles and an additive, extruding into strips, and drying to obtain an activated carbon carrier; 5, dipping the activated carbon carrier with alkali to obtain a desulfurizer; the desulfurizer is applied to removal of sulfides in industrial feed gas. According to the desulfurizer, the biomass raw material serves as a carbon source, sufficient adsorption sites and alkaline catalysis sites are provided through water vapor activation pore forming and impregnation loading of alkali components, the desulfurization performance of the biomass-based activated carbon desulfurizer is improved, and the desulfurizer is suitable for deep desulfurization of industrial gas with high CO2 content and containing organic sulfur and inorganic sulfur; the raw materials are renewable, the desulfurization performance is excellent, the application range is wide, the precision is high, and the preparation process is green and environment-friendly.

The utility model provides a liquid argon storage device convenient to sample, and relates to industrial gas storage equipment, the liquid argon storage device comprises a shell and a sealing structure, a conveying pipe is processed in the shell, a rubber floating pad is attached to one end of the bottom of the conveying pipe, the sealing structure comprises a first sealing piece and a second sealing piece, a sampling notch is formed in one end of the second sealing piece, and a sampling groove is formed in the other end of the second sealing piece; a second fixing hole and a third fixing hole are formed in the two ends of the first sealing piece correspondingly. According to the technical scheme, a second sealing piece is pushed to slide downwards in a conveying pipe, after the bottom surface of the second sealing piece is attached to the top of a rubber floating pad, the top of the rubber floating pad is pushed to be separated from the bottom surface of the conveying pipe, and liquid argon enters the second sealing piece through a sampling notch in the bottom of the second sealing piece; the rubber floating pad floats in the liquid argon to block one end of the conveying pipe, and the sealing device is simple and convenient to use.

The invention discloses a method for preparing a green carbon sequestration concrete brick by compounding industrial solid wastes, and belongs to the technical field of building materials. Firstly, steel slag particles are subjected to crushing, autoclaved heat treatment, iron separation and grinding treatment to obtain steel slag particles with different particle sizes; secondly, steel slag and carbide slag are mixed in proportion and ground to target particle size grading, CO2 industrial gas is introduced for micro-pressure carbonization, grinding and drying treatment are conducted after solid-liquid separation, and a composite active cementing material-carbonized steel slag-carbide slag is prepared; and 3, mixing the carbonized steel slag-carbide slag, cement, slag powder, aggregate, a water reducing agent and water in a concrete stirring tank, introducing CO2 industrial gas again, carrying out secondary carbonization, injecting carbonized steel slag-based concrete into a mold, and carrying out compression molding to obtain the green carbon sequestration concrete brick. The problem of poor stability of the steel slag is solved through a two-stage carbonization technology, the gelling activity of the steel slag is excited, the hydration rate and the carbonization strength of a steel slag-carbide slag system are improved, and the usage amount of cement and slag powder is greatly replaced. The green carbon sequestration concrete brick researched and developed by the project has good mechanical properties, and the curing time is shortened by 1 / 3; the preparation method is simple, convenient to operate and low in cost.

The present invention discloses an industrial gas filling system and filling process, belonging to the technical field of industrial gas filling. The system comprises an explosion-proof pipe seat, an explosion-proof outer cylinder, a filling component, a straightening component, a gas concentration detector, an exhaust pipe group and a transmission component. The explosion-proof pipe seat is fixed on a base, the top of the explosion-proof pipe seat is hollow, and a gas cylinder notch is provided from the upper part to the lower part of the explosion-proof pipe seat; a push seat is installed on the inner bottom of the explosion-proof pipe seat; a straight notch is provided on the top surface of the push seat; a first hydraulic cylinder is fixed on the outer bottom of the explosion-proof pipe seat; the piston rod of the first hydraulic cylinder movably extends into the explosion-proof pipe seat and is fixed to the bottom surface of the push seat; the explosion-proof outer cylinder is movably sleeved on the outer top of the explosion-proof pipe seat. The industrial gas filling system and filling process of the present invention have the advantages that the upper and lower line positions can be separated from the filling position, and the filling process is carried out in a fully automatic and fully enclosed manner, which can prevent explosion and injury during the filling process and prevent the spread of industrial gas in the space around the filling.

Described are methods for producing industrial gases (e.g., hydrogen, ammonia, and / or methane) using ferrous iron-containing materials (e.g., olivine) while concurrently sequestering carbon dioxide. The process may involve mixing a ferrous iron-containing material with water and, in some examples, a reaction accelerant. The mixture may be heated to 100-300°C to initiate the oxidation of ferrous cations (Fe2+) to ferric cations (Fe3+) while reducing hydrogen (from water) and / or methane (from water and carbon dioxide, when carbon dioxide is introduced into the ferrous iron-containing mixture). In some examples, carbon dioxide may be added later (after recovering hydrogen) to form carbonates. Specifically, carbon dioxide may be injected at a high pressure (e.g., about 200 bar) post-oxidation to facilitate mineralization, using the exothermic reaction to maintain a favorable temperature. In some examples, metal complexing / chelating reagents are added to bind trace metals such as nickel, copper, cobalt, and platinum group metals for recovery.

The present disclosure describes a process of obtaining a carbon membrane derived from polymer polybenzoxazine, for improved separation of gases with different kinetic diameters such as helium (2.60 Å), hydrogen (2.89 Å), carbon dioxide (3,30 Å), oxygen (3.46 Å), nitrogen (3.64 Å), carbon monoxide (3.70 Å), methane (3.80 Å), ethylene (4.23 Å) and ethane (4.42 Å) from the molecular sieving mechanism.

The invention relates to the technical field of adsorption materials, and discloses a wide-humidity-range moisture absorption aluminum-based MOF material and a preparation method thereof.The preparation method of the wide-humidity-range moisture absorption aluminum-based MOF material comprises the steps that S1, ligand pretreatment is conducted; s2, preparing a metal source; s3, mixing the ligand solution and the metal salt solution, uniformly stirring, transferring into a reaction kettle, and naturally cooling to room temperature after the reaction is completed; s4, centrifuging or filtering and separating the product obtained in S3 to obtain a solid product, washing with deionized water and an organic solvent, and drying to obtain an aluminum-based MOF material; and S5, the aluminum-based MOF material obtained in the step S4 is subjected to surface modification treatment, and the moisture absorption aluminum-based MOF material with the wide humidity range can be obtained. The moisture absorption aluminum-based MOF material with the wide humidity range is an MOF material with the wide humidity range and efficient moisture absorption performance, and has good application prospects in the fields of air dehumidification, water resource collection, industrial gas purification and the like.

The invention discloses an automatic transfer device and method for an industrial gas storage tank, and relates to the related technical field of transfer and conveying. The gas storage tank stacking device comprises a limiting assembly and a fixedly-arranged conveying assembly, the limiting assembly is placed on the upper surface of the conveying assembly, a stacking assembly is fixedly arranged on one side of the conveying assembly, and the limiting assembly is used for limiting the position of a gas storage tank and transferring the gas storage tank; the conveying assembly is used for driving the limiting assembly to move horizontally and pushing the limiting assembly on the conveying assembly to the stacking assembly; and the stacking assembly is used for driving the limiting assemblies to move up and down and sequentially stacking the limiting assemblies at the same time. The position of the air storage tank is limited through the limiting assembly, the stacking assembly is driven to conduct stacking operation while the conveying assembly conducts transferring, safety accidents caused by position deviation of the air storage tank in the transferring and stacking process are avoided, the continuity between transferring and stacking operation is improved, and the operation efficiency is improved.