53 results about "Industrial gas" patented technology

1. The name of the design product: gas proportioning device (integration one). 2. The use of the design product: for gas distribution in industrial gas addition and water treatment. 3. The design points of the design product: the overall shape of the product and the structure of A part and B part. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: A part and B part are transparent materials.

The purpose of this invention is to propose an oxygen depressurization explosion-proof electrostatic vacuum noise silencing device, belonging to the field of safe handling of flammable and explosive industrial gases. The device includes a vertical cylindrical body, a bottom air inlet, a top exhaust outlet, supporting legs, and inside the cylinder, a bottom flame arrester, a multi-stage pressure reduction and deceleration assembly, an electrostatic elimination sound-absorbing layer, and a top flame arrester. Through multi-stage U-shaped microporous baffles, progressive pressure reduction and deceleration are achieved; the metal wire sound-absorbing layer eliminates static electricity and absorbs noise; and the upper and lower double-layer flame arresters block the backfire path, completely solving the problems of electrostatic explosion, backfire, and noise pollution during oxygen depressurization. This invention is suitable for high-risk scenarios such as liquid oxygen stations, ensuring the safe production of flammable and explosive chemical facilities, avoiding personal injury and property damage, while meeting environmental protection and noise reduction requirements.

A method comprising: a) producing or treating an industrial gas by a plant (12) comprising heat-receiving units thermally independent from one another, and at least one heat source (22), b) obtaining a compressed gas (26) by compressing a working gas (28), c) dividing the compressed gas into compressed gas streams (32), d) performing heat exchanges between the compressed gas streams and the heat-receiving units, and condensing the compressed gas streams into liquid streams (36), e) expanding the liquid streams and obtaining an expanded stream (46), f) vaporizing the expanded stream by heat exchange with at least the heat source, and obtaining of a gas stream (50), g) obtaining the working gas from at least the gas stream.

The utility model relates to a kind of liquid ammonia meterable conveying devices, it includes: industrial ammonia storage tank, the industrial ammonia storage tank has industrial gas phase mouth and industrial liquid phase mouth;Vehicle-mounted liquid ammonia tank, the vehicle-mounted liquid ammonia tank has vehicle-mounted gas phase mouth and vehicle-mounted liquid phase mouth;Liquid ammonia delivery component, the liquid ammonia delivery component includes one end with the industrial liquid phase mouth is connected and the other end with the vehicle-mounted liquid phase mouth is connected liquid ammonia delivery pipe, liquid ammonia pump is installed on the liquid ammonia delivery pipe, pressure transmitter one is installed on the liquid ammonia delivery pipe and located in the liquid ammonia pump upstream, pressure transmitter three is installed on the liquid ammonia delivery pipe and located in the liquid ammonia pump downstream, check valve is installed on the liquid ammonia delivery pipe and located between the liquid ammonia pump and the pressure transmitter three and flowmeter is installed on the liquid ammonia delivery pipe and located between the check valve and the pressure transmitter three.Thus can improve filling efficiency, and liquid ammonia utilization is higher.

1. Name of the designed product: gas proportioning device (integration two). 2. Use of the designed product: gas proportioning in industrial gas adding and water treatment. 3. Design points of the designed product: the overall shape and the structure of A part. 4. Picture or photo best showing the design points: perspective view. 5. Other circumstances or explanations: A part is made of transparent material.

The utility model relates to industrial gas separation and purification equipment technical field especially relates to a control system of preventing pressure swing adsorption bed layer fluidization, including raw material gas inlet main pipe, product gas discharge main pipe and a plurality of adsorption purification devices, and adsorption purification device contains raw material gas inlet branch pipe, adsorption tower, product gas discharge branch pipe, and the control system still includes the pressure cylinder of adsorption tower top, pressure sensor and process control regulating valve on product gas discharge branch pipe, the forward depressurization branch pipe and pressure equalizing orifice plate of intercommunication adjacent device. The utility model eliminates fluidization space through the pressure cylinder compaction adsorbent top surface, and process control regulating valve and pressure equalizing orifice plate cooperate and regulate and control pressure difference and flow velocity, solve the adsorbent fluidization pulverization in the operation of pressure swing adsorption device, pipeline vibration and the problem of high cost and high failure rate of existing control scheme, be applicable to all pressure swing adsorption device, especially to large -scale pressure swing adsorption device of low hydrogen raw material gas or macromolecular weight product gas, the effect is particularly remarkable.

The present disclosure relates to a gas separation membrane assembly, which comprises at least one separation unit, the separation unit comprising a membrane sheet, an inlet gas net and a product gas flow channel assembly, the membrane sheet having opposite inlet gas side and product gas side, the inlet gas net being attached to the inlet gas side, the product gas flow channel assembly being attached to the product gas side and forming a sealed structure with the product gas side, the product gas flow channel assembly comprising a flow guide cloth and at least one layer of flow guide net arranged in a stack. The gas separation membrane assembly of the present disclosure can significantly improve the gas separation efficiency, reduce the gas flow resistance and concentration polarization effect on the product gas side, meet the requirements of high flux membrane on the assembly, effectively exert the separation performance of the membrane sheet, and be suitable for various industrial gas separation scenarios such as carbon dioxide, methane, ethanol and oxygen.

A valve for compressed gases comprises a valve body provided with an inlet and outlet pipe and a safety group configured for discharging the operating fluid under emergency conditions. The safety group comprises a discharge pipe, a breakable sealing element, which is configured to close said discharge pipe as long as a pressure less than a predetermined threshold value acts on said sealing element and a deflector element which is configured to be inserted into a seat of the discharge pipe so as to project. The deflector element is configured to discharge the operating fluid outside said valve in a direction which substantially diverges with respect to the discharge direction. The safety group comprises a protection structure which projects in a direction away from said seat and which is arranged peripherally with respect to an upper portion of said peripheral surface which comprises sloping surfaces.

The present application relates to a kind of industrial gas turbine power ladder examination online determination and test method, the method is first to power ladder standard is plotted, according to power ladder trend and standard range is operated, to ensure that sufficient power ladder examination and prevent excessive power ladder examination is formulated, the change time of stable working condition is counted into low working condition section, while ensuring that variable speed changes time meets the requirements of power ladder examination, each stable working condition has cumulative running time and reminder function, while the over-temperature, overspeed limit is handled, it can also be according to power power ladder operation.The method meets the accuracy of power ladder examination standard at the same time, greatly improves operating efficiency, avoids the influence brought to unit by excessive power ladder examination, post-determination.

This utility model relates to the field of industrial gas treatment technology and discloses an efficient dust removal and humidification device for industrial gases, including a treatment box. A sealing cover is slidably connected to the top of the treatment box, and an air inlet pipe is fixedly connected to the top of the sealing cover. A fixed shaft is threaded inside the sealing cover. A dust removal mechanism is installed inside the treatment box, and a humidification mechanism is installed on the right side of the treatment box. A load-bearing frame is fixedly connected to the inside of the treatment box. The dust removal mechanism includes a support frame. In use, when dust removal of industrial gases is required, the filter baskets and filter bags are arranged in four groups and symmetrically distributed inside the fixed frame. This multi-group layout greatly increases the contact area between the gas and the filter material, which can more effectively intercept dust particles in the industrial gas and improve dust removal efficiency. At the same time, the activated carbon frame located at the bottom of the filter basket can be conveniently replenished with activated carbon through the top circular feeding port.

The present application provides a helium abnormal leakage identification method, device and remote identification system, belonging to the field of industrial gas safety monitoring and Internet of Things data processing, calculates the helium mass change rate and temperature change of each storage tank, records the number of sampling periods in which the helium mass change rate is less than the alarm threshold and the temperature change is less than the fluctuation threshold, and determines that it is an occasional disturbance; when, it is determined that the storage tank has an abnormal leakage risk; when, it is determined that the storage tank has an abnormal leakage, and the period is adjusted; and the abnormal leakage under the condition of temperature disturbance is accurately identified.

The application discloses an argon recovery system and method for graphene production waste gas, and belongs to the technical field of industrial gas recovery and purification, comprising a pretreatment unit, a compression unit and a purification unit; the pretreatment unit comprises a spray tower and a basket filter; three layers of spraying units and two layers of dust separation units are arranged in the spray tower; from the bottom of the tower upwards, the structure comprises a first spraying layer, a first separation composite layer, a second spraying layer, a second separation composite layer and a third spraying layer in sequence; by the above mode, the spray tower structure with the multistage purification structure is designed, the spray tower structure is used as the front pretreatment unit, most of the graphene dust can be efficiently removed, the problem of the dust blockage of the subsequent argon purification system is solved fundamentally, and the equipment maintenance cost is reduced.

The application provides an argon recovery energy efficiency control method and intelligent system for a titanium powder manufacturing process, and relates to the technical fields of metal powder metallurgy preparation and industrial gas recovery energy efficiency control, wherein the method comprises the following steps: controlling liquid argon gasification, mixing the recovered gas, processing through a medium-pressure machine, a purifier and a high-pressure machine, and sending to a gas atomization device; extracting tail gas for recovery by a fan; and dispatching a water cooling system to absorb waste heat of the unit and send the waste heat to a gasification module and a purifier for reuse. The control method extracts a pressure drop slope in real time, calculates a fluid transmission lag time window faced by waste heat delivery when the pressure drop slope exceeds a limit, controls the medium-pressure machine to generate transient compensation heat energy by using internal airflow rotation within the time window, urgently directs the waste heat intended for the purifier to the gasification module to make up for a sudden increase in cold load, and transfers the compensation heat energy to the purifier to maintain a temperature threshold. The control method effectively eliminates the global thermal imbalance phenomenon caused by the heat transmission delay of the pipe network.

The application relates to the technical field of air blowers, in particular to a heat-dissipating low-noise air blower and a use method, which comprises a rotor body, a rotating shaft and a plurality of blades which are integrally formed in a machine body, the machine body is provided with an air inlet and an air outlet, the middle part of the working surface of the blade is provided with a self-adapting noise reduction assembly, the side end of the noise reduction assembly is provided with a change assembly which is used in cooperation and located in the blade, and the side end of the change assembly is provided with a cooling assembly. Through the work of the noise reduction assembly and the cooling assembly, efficient heat dissipation and low-noise operation of the Roots blower are realized, and the air blower is suitable for the scene requirements of industrial gas delivery, environmental protection aeration and the like.

This application relates to the field of industrial gas cylinder storage, and in particular to a gas cylinder storage rack that is easy to transport. The rack includes a metal frame and a metal door. The metal frame is a hollow structure formed by a first frame, a connecting frame, and a second frame assembly, all fixedly connected. The first frame includes an upper frame and crossbeams. Hanging plates are provided on the crossbeams for fixing the main pipe and enabling centralized control of the gas valve. The connecting frame includes columns, horizontal beams, metal plates, and crossbars to restrict horizontal and vertical displacement of the gas cylinders. The second frame includes a lower frame and a support frame. Rubber pads are laid on the surface of the support frame and fixed by positioning posts on its upper surface to cushion the gas cylinders during placement. Casters are provided at the four corners of the lower frame to reduce movement resistance, allowing a single person to push the gas cylinder storage rack for easy transport. The metal door is locked by a fixing seat on the column, a latch, and a bolt, reducing gas cylinder slippage during transport.

This invention discloses a method and system for controlling the water volume of a spray tower based on gas temperature, belonging to the field of gas purification technology. It aims to solve the problems of water waste and poor temperature control caused by fixed water volume spraying in traditional spray towers. This invention collects the inlet and outlet temperatures of the gas at the TRT outlet in real time, sets the first set of normally open spray guns to a baseline water volume of 25 cubic meters per hour, and uses a gas outlet temperature of 55°C as the control threshold. When the temperature reaches the threshold, the second set of spray guns automatically opens, increasing the total water volume to 80 cubic meters per hour. When the temperature drops below the threshold, the second set of spray guns closes, restoring the baseline water volume. The control parameters can be continuously optimized according to operating conditions. The system includes a temperature monitoring module, a control module, a spraying execution module, and a data storage module, achieving automatic linkage control of temperature and water volume. This invention, while ensuring that gas cooling meets grid connection requirements, offers significant water savings and economic benefits. It is simple to modify, operates stably, and is suitable for gas spraying cooling at the outlet of a metallurgical blast furnace TRT. It can also be extended to other industrial gas cooling scenarios, possessing good promotional value.

This invention belongs to the field of gas preheating technology in the metallurgical industry, and relates to a gas preheating system for a coal gas combustion device in a metallurgical process. This system uses heat transfer oil as the heat medium and forms a closed-loop system at a pressure below 1.0 MPa. It includes: a flue gas heat exchanger, a preheated gas heat exchanger, a first heat medium delivery pipeline, a second heat medium delivery pipeline, and a heat medium bypass pipeline. The heat medium output end of the flue gas heat exchanger is connected to the heat medium input end of the preheated gas heat exchanger through the first heat medium delivery pipeline. The heat medium output end of the preheated gas heat exchanger is connected to the heat medium input end of the flue gas heat exchanger through the second heat medium delivery pipeline. The first heat medium delivery pipeline is connected to the second heat medium delivery pipeline through the heat medium bypass pipeline. A bypass regulating device for adjusting the oil inlet temperature of the flue gas heat exchanger is installed on the heat medium bypass pipeline. This invention solves the safety risks and control dilemmas caused by indirect water-based heat exchange when dealing with drastic fluctuations in flue gas conditions.

1. The name of the design product: gas proportioning device (integration three). 2. The use of the design product: for industrial gas addition and gas distribution in water treatment. 3. The design points of the design product: the overall shape of the product and the structure of A part. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: A part is transparent material.

The application discloses an integrated double-stage axial cyclone, which comprises a combination body and a single double-stage axial cyclone; the combination body comprises a connecting support and fixing holes formed on the connecting support; a plurality of single double-stage axial cyclones are fixed on the connecting support in a circumferential array, and each single double-stage axial cyclone is inclined to the central axis of the combination body by 5-10 degrees, so that the integrated double-stage axial cyclone can enhance the central combustion effect when being used in a single combustion chamber of an aero-engine and an industrial gas turbine; the inlet side and the inner ring wall side of the combination body are respectively provided with fixing holes in a circumferential array and consistent with the number of the single double-stage axial cyclones, and the fixing holes are used for fixing the inner and outer sleeves in the combustion chamber. The application is suitable for a small aero-engine combustion chamber, improves the integration and functionality of the device, and is simple in overall manufacturing and installation, light in weight and low in cost.

The present application relates to the technical field of industrial gas purification and sulfur resource recovery, and discloses a sulfur recovery method based on organic alkali catalytic hydrolysis and spiral pressure filtration, which comprises the following steps: feeding raw gas containing COS and / or CS2 and SO2 into an absorption reaction liquid containing organic alkali, aromatic hydrocarbon solvent and non-ionic surfactant, and reacting at 120-150 DEG C to generate liquid sulfur; cooling the reaction liquid to below the sulfur freezing point to obtain a sulfur-containing slurry; performing solid-liquid separation by a spiral pressure filter to obtain sulfur cake and filtrate; heating the filtrate to above the cloud point temperature and standing to separate into layers, and recycling the upper layer regeneration liquid. Through the multifunctional synergistic effect of the non-ionic surfactant in dispersing liquid sulfur in the reaction section, regulating the particle morphology in the crystallization section and enriching impurities in the regeneration section, combined with the spiral pressure filtration mechanical separation and cloud point regeneration technology, the present application realizes efficient removal of various sulfides and recovery of sulfur resources, effectively solves the problem of sulfur plugging, and guarantees long-period stable operation of the system.

The application discloses a method for synthesizing a hierarchical-pore MFI molecular sieve membrane based on a sacrifice seed layer and belongs to the field of zeolite molecular sieve membrane synthesis. The application successfully constructs a hierarchical-pore MFI molecular sieve membrane with a dense selective top layer and a macroporous transition layer with high porosity on a porous carrier through a surface wet gel secondary growth technology of a sacrifice seed layer. The membrane layer structure and gas separation performance are optimized by adjusting and controlling a synthesis gel composition, an aging time and a crystallization time. The hierarchical-pore MFI molecular sieve membrane has high permeability and excellent selectivity in n-butane / isobutane separation, has good preparation process repeatability and high stability, and is suitable for industrial gas separation application.

This invention relates to industrial technologies focused on cleaning gases generated during the combustion of fossil fuels, municipal and industrial waste, tires, polymers, and other chemicals. Particular attention is paid to removing oxidizing particles and harmful gases generated during combustion and production processes in sectors such as metallurgy, energy, construction, and chemicals.

The application belongs to the field of industrial gas purification, and particularly relates to an amine-based absorption composition and a preparation method and application thereof. The amine-based absorption composition is composed of N-methyldiethanolamine 30-50 wt%, N-ethylethanolamine 15-25 wt%, n-octanol 5-10 wt%, sodium molybdate 0.5-1.5 wt%, defoaming agent 50-200 ppm, and the balance of water. After the amine-based absorption composition removes acid gas in an absorption tower, the rich liquid can spontaneously separate into a lean phase and a rich phase, only a small amount of the rich phase needs to be heated and regenerated, and the lean phase is directly recycled. The application ensures deep removal of H2S, significantly reduces the regeneration energy consumption through efficient phase separation, has good system stability, is environmentally friendly, and is suitable for purification of industrial gases such as natural gas and refinery gas.

The utility model relates to industrial gas separation and purification equipment technical field proposes a kind of multi-tower pry installation pressure swing adsorption device, comprising: bottom plate and fixed platform;The top of bottom plate is fixedly installed with adsorption tower, the top of adsorption tower is fixedly installed with upper pipeline, the bottom of adsorption tower is fixedly installed with lower pipeline, the inside fixed mounting of upper pipeline and lower pipeline has first solenoid valve group, the inside fixed mounting of upper pipeline and lower pipeline has second solenoid valve group;The top of upper pipeline is fixedly installed with finished product pipeline, the inside fixed mounting of finished product pipeline has flow monitor. By making first solenoid valve group, second solenoid valve group, flow monitor, compressor and vacuum pump over wire connection PLC, can make PLC control first solenoid valve group, second solenoid valve group, flow monitor, compressor and vacuum pump, and then make each valve and machine more accurate in starting and conversion, increase the use efficiency of device.

The utility model relates to an industrial gas quantity management equipment, including valve body, mounting seat, support piece, valve stem and handle, the mounting seat sets up on valve body, the support piece installs on mounting seat, the valve stem rotates and is connected in the inside of support piece through bearing, just the bottom end of valve stem penetrates mounting seat and extends to the inside of valve body, and installs the valve piece in the inside of valve body in the bottom end of valve stem, handle is equipped in the outside of valve stem, just the outside of valve stem and located integral moulding arrangement above support piece has a rectangular column. The industrial gas quantity management equipment, the traditional manual control valve needs to realize the closing through the multiple circle reverse rotation, and the equipment through the elastic potential energy of torsional spring drive and the quick unlocking design of locking assembly, make the emergency shutdown time from the traditional several seconds shorten to be within one, effectively reduced the gas leakage amount under the emergency, reduced the fire, explosion and so on risk.

The invention provides a gas detection sound-light alarm device and an alarm state identification method, and relates to the technical field of industrial gas detection.The device comprises a detector host module, a safety barrier module and a sensor sensing component which are arranged in a detector explosion-proof cavity, and a sound-light alarm module assembled outside the detector explosion-proof cavity; the detector host module is electrically connected with the sensor sensing part and the safety barrier module, and the safety barrier module is electrically connected with the sound-light alarm module through a two-wire system. And when the detected gas concentration information reaches a preset alarm threshold value, or the sensor sensing part has a fault and the detection is out of range, the detector host module synchronously realizes power supply on-off and parameter configuration signal transmission to the sound-light alarm module through the safety barrier module. The device has the advantages of low wiring and intrinsic safety cost, compact size, safe and reliable driving scheme and the like, can be widely applied to gas detector alarm devices, and guarantees the safety of personnel life and production equipment.