344 results about "Gas chamber" patented technology

The invention provides a device and method for removing aerosol based on a charged spraying coupling pool washing mechanism, and belongs to the field of nuclear auxiliary systems. The problem that radioactive aerosol particles generated when a radioactive contamination structure in a reactor is cut underwater can be released into the external environment is solved. Wherein the underwater laser cutting assembly is used for cutting a to-be-cut piece; the auxiliary gas chamber is communicated with the laser cutting nozzle; the aerosol charging assembly can enable aerosol particles generated by underwater laser cutting to carry negative charges; the baffle can gather the aerosol particles and guide the aerosol particles to the aerosol charging assembly; the liquid drop charged spraying assembly can spray liquid drops carrying positive charges, the liquid drops carrying positive charges and aerosol particles carrying negative charges can attract each other and fall to the liquid level, and the Venturi washing assembly can extract gas above the liquid level and spray the gas below the liquid level. The device can efficiently remove radioactive aerosol particles generated by cutting and disassembling radioactive contaminated components in a nuclear power plant, and radioactive contamination to the environment is prevented.

The invention relates to the technical field of inverters, and particularly discloses a photovoltaic inversion and energy storage integrated system comprising a sealing plate which is rotatably installed on the inner wall of an integrated box. The driving mechanism is used for controlling the sealing plate to turn over; a plurality of air chambers are formed in the side wall of the integrated box, and a plurality of air outlet holes are formed between the integrated box and the air chambers; and the blowing mechanism is mounted in the side wall of the integrated box. When fire occurs in the integrated box, the driving mechanism drives the sealing plate to turn upwards to seal the heat dissipation opening, meanwhile, the sealing plate drives the air blowing mechanism to blow gaseous carbon dioxide in the air chamber into the integrated box, and fire extinguishing treatment is conducted through the closed space and the carbon dioxide. Therefore, electrical elements on the inversion equipment and the energy storage equipment are effectively prevented from encountering low temperature after encountering high temperature, the temperature is slowly reduced from the beginning high temperature, the internal temperature does not change quickly, and the electrical elements are effectively prevented from being damaged due to quick change of the temperature.

The invention belongs to the technical field of carbon dioxide energy storage, and particularly relates to a supercritical carbon dioxide energy storage system with combined cooling, heating and power, which realizes combined cooling, heating and power by recycling waste heat of a combined cooling, heating and power system and improves the energy utilization rate of the system. Carbon dioxide generated by the combined cooling heating and power system is captured and stored in the exhausted oil and gas reservoir high-pressure gas chamber and the exhausted oil and gas reservoir low-pressure gas chamber through the carbon dioxide capturing system, energy is stored through the stored carbon dioxide gas, and the stability maintaining effect on electric energy is achieved while carbon emission is reduced. The energy release unit is in heat exchange connection with the carbon dioxide capture system, the temperature of high-pressure carbon dioxide in the energy release stage is increased, and the comprehensive energy utilization rate and efficiency of the system are further improved.

The invention relates to a gas nanometer purification method and a purifier, and the method comprises the following steps: gas to be cleaned enters a gas-water separator for gas-liquid separation and coarse filtration, liquid impurities and large-particle solid impurities in the gas are removed, and preliminarily purified gas is obtained; on the basis of switching logic, the preliminarily purified gas is alternately conveyed to two adsorption unit groups for deep adsorption purification, adsorbent dehydration treatment and fine dust interception treatment are sequentially completed in the adsorption units, and clean gas is obtained; one part of the clean gas is conveyed to the gas storage bin to be stored, and the other part of the clean gas is conveyed to the regeneration gas bin to be pre-stored for regeneration cycle of the subsequent adsorption unit. Through the integrated method design of continuous adsorption working conditions, online regeneration cycle and automatic pressure equalizing switching, seamless connection of adsorption and regeneration and uninterrupted gas supply in the whole process are achieved, gas supply interruption and severe gas pressure fluctuation are effectively avoided, and the strict use requirements of precise manufacturing, automatic production lines and continuous production scenes for stable gas sources can be met.

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 invention provides a biomass gasification system and a fluidized bed gasification process, the system comprises a fluidized bed gasification furnace, a cyclone separator and a material returning leg, the fluidized bed gasification furnace is provided with a gasification cavity and a gas chamber, and a fluidized bed formed by bed materials is arranged in the gasification cavity. Bed materials are added into the gasification furnace in a spiral feeding and pneumatic conveying combined mode, a fluidized bed is established, biomass particles are added after temperature rise, the pressure in the gasification furnace is kept to be certain, and an auxiliary gasification agent enables the biomass particles to be in a fluidized state. According to the invention, the melting characteristic of biomass ash can be effectively improved, the problem of easy slag bonding during biomass gasification is solved, the gasification temperature is effectively increased, and the methane content in the synthesis gas is reduced. The bed material can catalytically crack tar generated in the biomass gasification process, the quality of synthesis gas is optimized, the synthesis gas is prevented from being bonded and attached to the metal wall of a downstream device, the yield of the synthesis gas and the stability of the device are improved, and the heat exchange efficiency of a downstream waste heat recovery unit is enhanced.

The invention relates to the related technical field of carbon dioxide detection, in particular to a carbon dioxide leakage detection device which comprises a gas chamber, an infrared light source, an optical filter and a detector. A first-stage connecting lug plate and a second-stage connecting lug plate are integrally formed at ports of the front shell and the rear shell respectively, the first-stage connecting lug plate and the second-stage connecting lug plate are positioned and connected through a first-stage bolt and a first-stage nut, and a mounting bracket is fixedly mounted on the back surface of the gas chamber; external air is pumped into the gas chamber through the air pump, then infrared light is emitted through the infrared light source, carbon dioxide in the gas can absorb infrared light of a specific wave band in the infrared light, then the infrared light irradiates the detection end of the detector through the light filter, the detector detects and analyzes the infrared light, and the infrared light is detected and analyzed through the infrared light source. Therefore, the concentration of carbon dioxide in the air is monitored in real time, and personal safety is effectively guaranteed.

The invention relates to a gas leakage monitoring system for a gas chamber of gas insulated switchgear. The system comprises a gas sensor module, an environment sensor module, a main control unit, a display screen, a WIFI wireless communication module and an upper computer, the main control unit is used for acquiring gas concentration data around the gas chamber of the gas insulated switchgear and environmental data in the gas chamber of the gas insulated switchgear; the main control unit is also used for determining that the gas chamber of the gas insulated switchgear is in a gas leakage state under the condition that the gas concentration data meets the gas abnormal condition and the environment data meets the environment abnormal condition, and sending alarm information to an upper computer; and the display screen is used for displaying the gas concentration data, the environment data and the alarm information sent by the main control unit. By adopting the method, the gas leakage monitoring accuracy of the gas chamber of the gas insulated switchgear can be improved.

The present invention belongs to the field of toluene diisocyanate separation and recovery, and specifically relates to a TDI distillation residue separation and recovery device and a TDI distillation residue separation and recovery method. The method comprises: a) passing the TDI distillation residue into a dryer for drying to obtain a high-temperature TDI vapor flow and flowing solid tar particles; the high-temperature TDI vapor flow is then passed into a novel gas chamber for separation; b) the separated high-temperature TDI vapor flow obtained in step a is conveyed through a gas phase conveying pipe into a spray tower for rapid cooling to obtain a gaseous vapor flow and a liquid material flow; c) a portion of the liquid material flow obtained in step b is cooled and circulated to the spray tower, and the remaining portion is conveyed downstream as a product. The method of the present invention not only ensures a high yield of the resulting TDI product, but also solves the problem of clogging of separation and refining-related equipment in the entire process, such as the drying device.

The invention discloses a sulfur hexafluoride non-dispersive infrared spectrum detection device which comprises a shell, a sample gas chamber is arranged in the shell, an infrared source is arranged on one side of the sample gas chamber, light holes are formed in the two sides of the sample gas chamber at equal intervals, and infrared detectors are arranged on the side, away from the infrared source, of the sample gas chamber at equal intervals. The invention relates to the technical field of gas detection, through the cooperation of the shell, the sample gas chamber, the infrared source, the light hole, the wavelength filter, the infrared detector, the gas guide structure, the sealing structure and the gas supply monitoring assembly, the sealing structure is used for sealing the light hole of the sample gas chamber and filtering the sample gas, so that dust and other impurities are prevented from being sucked into the sample gas chamber, and the detection efficiency is improved. The sulfur hexafluoride detection device has the advantages that the sample gas is collected, the conveying state of the sample gas is monitored, the stable conveying of the sample gas is ensured, the accuracy and stability of a detection result are improved, the service life of the detection device is prolonged, the interference of an external environment on the detection result is effectively avoided, and the sulfur hexafluoride detection device has wide applicability in a severe environment.

The utility model discloses a gas pipeline gas parameter inspection device with muddy water protection, relates to the technical field of inspection, and solves the problems of low test efficiency and even parameter distortion caused by the fact that a pipeline gas parameter inspection device is easily interfered by impurities such as muddy water in the prior art. Comprising a branch pipe gas production point, a transparent hose, a gas inlet pipeline, a muddy water identification module, an electromagnetic valve, a multi-parameter sensor module, a data acquisition and storage module, a gas pump, a gas outlet pipeline, a power supply and a test gas chamber, when no muddy water exists in the transparent hose, the electromagnetic valve is opened, and gas is normally detected; when water or sludge exists in the transparent hose, the muddy water recognition module responds, the electromagnetic valve is closed, negative-pressure air suction of the air pump is converted into positive-pressure air outlet, and the electromagnetic valve is opened to blow muddy water in the transparent hose; the muddy water protection function can completely eradicate the damage of sludge impurities and the like to the internal structure of the instrument, the use requirements of complex engineering scenes such as geological mines and chemical engineering are met, the test efficiency is high, the cost is low, and the maintenance is easy.

The invention provides a device and a method for testing the performance of a pressure sensor for a vacuum stability test of explosives and powders, the device comprises a box body, an inert gas chamber and a corrosive gas chamber are arranged in the box body, and the top end of the corrosive gas chamber is provided with a to-be-detected pressure sensor; a balance pipe is arranged between the bottom end of the inert gas chamber and the bottom end of the corrosive gas chamber, and isolation liquid is contained in the balance pipe and is mercury or tetradecahydrophenanthrene perfluoride. The two ends of the balance pipe are communicated with the inert gas chamber and the corrosive gas chamber respectively, and an inert gas control valve and a corrosive gas control valve are arranged at the communication position. According to the invention, the isolation liquid freely moves in the balance pipe without height difference to realize pressure adjustment, an organic film cutting piece of an existing device is replaced, and high-temperature resistance and corrosion resistance testing and examination of the high-precision pressure sensor can be rapidly, accurately and conveniently realized.

According to the double-optical-path gas detection method based on the tunable diode laser absorption spectrum (TDLAS) technology, gas concentration is inverted through double-wavelength laser output, double-optical-path design and a maximum variable data processing algorithm, and multi-gas detection with high sensitivity and wide dynamic range is achieved; the method is especially suitable for distinguishing and concentration inversion of gases (such as methane and carbon monoxide) with similar absorption peaks. The core of the method is that a stepping motor is used for controlling a reflector to move so as to realize the double-optical-path design of the gas chamber; gases with similar absorption peaks can be effectively distinguished in combination with dual-wavelength laser output; the light intensity signals of the long optical path and the short optical path are synchronously processed by using the least square method, and the gas concentration is inversed through light intensity ratio calculation and matrix operation, so that the detection precision is improved. According to the double-optical-path gas detection method, double wavelengths and double optical paths are realized, meanwhile, the length of the optical path can be dynamically adjusted, and the double-optical-path gas detection method can be suitable for different scenes. The system is high in sensitivity, wide in dynamic range and capable of distinguishing multiple gases, and meanwhile the system is flexible, low in complexity and high in anti-interference capacity.

The invention discloses an in-situ calibration system and an in-situ calibration method for mixed gas measurement equipment, and relates to the technical field of insulating arc-extinguishing gas media. The system comprises an electric proportional valve which is configured to control the fixed gas cabin to be in at least two set output pressure states; the calibration gas cabin inflates the calibration pipeline in sequence based on each set output pressure state so as to change the pressure state of the calibration pipeline; the thermometer is configured to measure the temperature of gas in the calibration pipeline when the gas filling is finished; the pressure gauge is configured to measure the gas pressure in the calibration pipeline when inflation is finished; the SF6 concentration meter is used for measuring a gas density measurement value of the calibration pipeline when gas filling is finished; and the upper computer is used for calibrating the SF6 concentration meter according to the gas density measurement value, the gas temperature, the gas pressure and the set mixing ratio. By adopting the system, the in-situ calibration of the SF6 concentration meter can be completed by using the standard gas, and high-precision in-situ calibration can be realized.

The invention belongs to the technical field of gas concentration detection, and particularly relates to a rotary kiln infrared gas analyzer which comprises a shell assembly, a heat dissipation device is installed on the shell assembly, a gas suction device is installed at one end of the shell assembly, a filtering device is fixedly connected to the gas suction device, and a supporting plate is fixedly installed in the shell assembly. A detection gas chamber, a reference gas chamber and a correction gas chamber which are arranged in parallel are fixedly arranged on the supporting plate in a penetrating manner, and structures such as a processor, a controller, a temperature sensor, a gas pressure sensor, an electric heating wire and the correction gas chamber are arranged; the air temperature in the correction air chamber is heated to be the same as the air temperature in the detection air chamber through the electric heating wire, the air pressure in the detection air chamber is adjusted to be the same as the air pressure in the heated correction air chamber through the cooperation of the air pump and the exhaust valve, and then the detection result is calculated in equal proportion. The concentration of the target gas in the flue of the rotary kiln in the normal temperature state can be obtained, and the accuracy of a detection result is greatly improved.

The utility model relates to the technical field of filters, in particular to a gas filtering system. The utility model provides a gas filtering system. The gas filtering system comprises a tank body, a filter element assembly and a pulse blowback assembly, a tube plate is installed in the tank body, a cavity in the tank body is divided into a process gas cavity and a clean gas cavity by the tube plate, the clean gas cavity is located above the process gas cavity, and the clean gas cavity is communicated with a gas outlet pipe used for discharging clean gas. The side wall and the bottom of the process gas chamber are respectively communicated with a gas inlet pipe and an ash discharge pipe; a plurality of mounting holes are formed in the tube plate, the filter element assembly comprises a plurality of filter elements, the filter elements are in one-to-one correspondence with the mounting holes, the filter elements are arranged in the process gas chamber, and the opening ends of the filter elements are mounted in the corresponding mounting holes. The gas filtering system can achieve a good blowback effect under the working condition of low blowback gas pressure, and energy consumption of equipment is reduced.

The present application relates to the technical field of gas atomization powder production, and particularly relates to a gas back-blowing anti-blocking atomization spray disc and an atomization powder production device. The atomization spray disc comprises a lower disc and an upper disc, the upper disc is provided with a melt drop channel penetrating in the vertical direction, a gas chamber and an annular gap are formed between the lower disc and the upper disc, and the atomization spray disc further comprises an elastic reset mechanism. The upper disc and the lower disc are in sliding sealing cooperation, one of the upper disc and the lower disc is a fixing part for being fixed to a rack, and the other is a sliding part. During powder production, the upper disc and the lower disc keep a relative position through the elastic reset mechanism, and the inner edge height of the lower end opening of the annular gap is not higher than the outer edge height. When metal melt drops are adhered to the melt drop channel, the gas pressure in the gas chamber increases, the sliding part overcomes the elastic force of the elastic reset part and slides back to the fixing part, so that the inner edge height of the lower end opening of the annular gap is higher than the outer edge height. In this way, the metal melt drops adhered to the melt drop channel can be removed by gas back-blowing.

The invention relates to a light interference type methane concentration determination method based on environmental gas components and volume fraction, and belongs to the technical field of coal mine underground gas detection. The method comprises the following steps: simplifying gas components in an underground environment according to the gas components in the underground environment and the influence degree of corresponding gas on methane concentration measurement; determining environment temperature and atmospheric pressure reference values in the methane concentration calculation process, and obtaining gas refractive indexes under the corresponding reference values; the method comprises the following steps: acquiring filtered water vapor and carbon dioxide and underground atmosphere which only filters out water vapor, sequentially filling a gas chamber to obtain two groups of mixed gas refractive index and interference fringe displacement data, constructing an equation set related to methane and carbon dioxide concentration based on the two groups of data, and solving the equation set; and correcting the concentration of methane and carbon dioxide according to a temperature and pressure correction coefficient calculated according to the actually measured temperature and pressure of the point to be measured. According to the method, various factors influencing the methane concentration measurement accuracy are comprehensively considered, and the measurement accuracy of the methane concentration is improved.

The utility model discloses a kind of liquid nitrogen storage tank pressure relief protection devices based on liquid column differential pressure control, belong to pressure vessel testing equipment field. Including liquid tank, air inlet and exhaust pipe and connecting pipe. Middle in liquid tank is provided with baffle, the baffle will the internal space of the liquid tank be divided into gas chamber and liquid chamber, liquid level control hole is opened on the side wall of the baffle far from the liquid chamber, the liquid level control hole of uppermost layer is located below the top edge of the baffle;The air inlet and exhaust pipe is vertically inserted in the top of the liquid tank, and the bottom end of the air inlet and exhaust pipe extends to below in the liquid chamber, the bottom end face of the air inlet and exhaust pipe is located below the liquid level control hole;The connecting pipe is vertically inserted in the bottom of the liquid tank, and the top end of the connecting pipe extends to in the gas chamber. The utility model is discharged by liquid column static pressure difference The pressure relief device of two-way protection of overpressure / negative pressure, especially applicable to the pressure test working condition of liquid nitrogen storage tank.

The utility model discloses an industrial pulse dust collector which comprises a box body, a plurality of air purification chambers, an air storage tank, a plurality of filter cartridge devices, an air nozzle, an air inducing device and an anti-blocking assembly, according to the utility model, the air-stopping pulse blowing ash removal is adopted by the air purification chambers, and the purpose of thorough ash removal can be achieved by blowing once, so that the ash removal period is prolonged, the ash removal energy consumption is reduced, the compressed air consumption can be greatly reduced, the ash removal capacity is strong, the dust removal efficiency is high, the emission concentration is low, and the economic benefit is good. Meanwhile, the fatigue degree of the filter bag and the pulse valve is correspondingly reduced, so that the service life of the filter bag is prolonged exponentially; as the upper part of the filter bag is pulled out, the dirty bag is put into the dust collecting hopper at the lower part of the box body and is taken out from the window after the filter cartridge framework is pulled out during bag replacement, and the bag replacement operation condition is improved.

The invention relates to an automatic blowing window device capable of preventing dust and high-temperature melt from being accumulated, the automatic blowing window device comprises a view field tube, the view field tube is provided with an air guide sleeve, and the air guide sleeve is provided with a protective sleeve; a first gap is formed between the protective sleeve and the gas guide sleeve, and a coking purging gas chamber is formed in the first gap; a second gap is formed between the air guide sleeve and the field tube, and forms a pressure taking air chamber; a pressure tapping gas inlet is formed in one side of the protective sleeve and is communicated with the coking purging gas chamber; a coking purging gas inlet is formed in one side of each of the protective sleeve and the gas guide sleeve; the coking purging gas inlets are communicated with the gas compression chamber and the coking purging gas chamber; a flange is arranged at one end of the view field pipe, a gas guide ring sleeves one end, far away from the flange, of the view field pipe, a pressure tapping nozzle is arranged on the periphery of the gas guide ring, a third gap is formed between the pressure tapping nozzle and the gas guide ring, and the third gap is communicated with the coking purging gas chamber.

The present application relates to hot water supply equipment technical field, disclose a kind of gas premixing device, gas water heating equipment and control method. Among them, gas premixing device includes premixing outer tube and premixing inner tube, premixing outer tube is equipped with air passage, premixing inner tube is located in premixing outer tube, the outer wall between premixing inner tube and the inner wall of premixing outer tube is enclosed to form the gas chamber being communicated with gas inlet, premixing inner tube is equipped with spoiler, gas mixing passage and air passage being communicated with air inlet, gas mixing passage is respectively communicated with the outlet of air passage and the outlet of gas chamber, at least part of spoiler is located in gas mixing passage. The present application is equipped with multiple spoiler being communicated with gas outlet passage by being located in the inner wall circumferential side of gas mixing passage, gas flows out from gas outlet passage and enters into spoiler, under the spoiler effect of gas in spoiler, make gas and air form turbulent flow at gas mixing passage, realize the sufficient mixing of gas and air.

The invention is applicable to the technical field of hydrogen engines, and provides a hydrogen nozzle with a pressure regulating function, which comprises a volume-variable shell, a fixed gas chamber, an intermittent motion module and a control module. According to the device, through the bionic cuttlefish structure, the stability of the hydrogen spraying amount can be achieved by regulating and controlling the change of the volume of the cavity according to pressure fluctuation in the air inlet channel. And the gas can be subjected to secondary pressurization, so that high-speed injection of hydrogen is realized. In addition, through cooperation of the controller and the sensors, the pressure fluctuation effect in the gas inlet channel can be fully utilized to achieve regulation and control at different injection moments, the hydrogen introduction capacity can be effectively improved, the uniformity of mixed gas in the gas inlet channel is improved, and the tempering occurrence probability is reduced.

A radiation source includes a chamber, a window, and a conduit system. The chamber confines a gas and contaminants produced during the generation of radiation. The window isolates the gas from an environment external to the chamber and allows the radiation to travel between the gas chamber and the environment. The refill path allows a replacement of the gas. The conduit system directs a flow of one of a refill gas, the gas, or the refill gas and the gas at least during a refill operation to prevent the contaminant from contacting the window. The conduit system may include one or more unidirectional valves which may be magnetic check valves. A magnet component of the magnetic check valve may be disposed external to the conduit and the chamber so that the magnet component is not subjected to corrosion by the gas in the conduit or the chamber.

The utility model discloses a jet flow sampling probe diluting device which comprises a shell provided with a sample gas cavity and a jet flow pump, the shell is provided with a back flushing pipeline, a probe pipe and a smoke outlet which are communicated with the sample gas cavity, the jet flow pump is arranged on the shell, and a diluting gas chamber of a Venturi structure is arranged in the jet flow pump. The two ends of the dilution gas chamber are respectively communicated with the dilution sample gas outlet and the dilution gas inlet, and the suction end of the dilution gas chamber is communicated with the flue gas outlet. According to the utility model, the probe tube is arranged in the chimney to be detected, standard gas enters the dilution gas chamber through the dilution gas inlet, in the process, the venturi structure in the jet pump mixes and dilutes sucked flue gas and dry and clean air conveyed from the dilution gas inlet, and then the flue gas analyzer analyzes and measures the flue gas. The detection is more convenient, the dew point of the diluted sample gas can be greatly reduced, the requirement on the precision of an analyzer is lower, and the detection data is more accurate.

The outer ring fire cover comprises a fire cover body, the fire cover body is provided with a plurality of fire holes distributed in the circumferential direction of the fire cover body, and the outer ring fire cover further comprises a noise reduction structure; the silencing structures are arranged on the sides, facing the radial inner side of the fire cover body, of the fire holes, the silencing structures and the fire holes are arranged in the radial direction of the fire cover body at intervals, and gas chambers communicating with the fire holes are formed. The noise reduction structure comprises a gas channel and a plurality of noise reduction parts arranged in the circumferential direction of the fire cover body at intervals, and the gas channel is formed by the interval between every two adjacent noise reduction parts. And the structure of the fuel gas channel is set as follows: the flow rate of fuel gas flowing through the fuel gas channel is greater than that of fuel gas flowing through the fuel gas chamber. The silencing structure is arranged in the outer ring fire cover, so that gas flowing to the fire holes is silenced, and the combustion performance of the combustor is not affected.

The invention provides a combined measurement system and method for gas adsorption and resistivity of coal rocks with different temperatures and pressures, and belongs to the field of physical analysis of coalbed methane storage rocks.The gas adsorption system comprises a gas chamber, the gas chamber is connected with a methane gas tank and a nitrogen gas tank through a first valve and a third valve, the gas chamber is connected with a sample holder through a second valve, and the sample holder is connected with a gas storage tank through a third valve. A first pressure gauge is arranged between the air chamber and the second valve, a second pressure gauge is arranged between the second valve and the sample holder, a temperature controller is connected between the air chamber and the sample holder, the sample holder is connected with a constant-flux pump through a fourth valve, and the sample holder is connected with a vacuum pump through a fifth valve; and the sample holder is also connected with the bridge instrument. According to the combined measurement system and method for gas adsorption and resistivity of coal rocks with different temperatures and pressures, under the conditions of different temperatures and pressures, the gas adsorption amount of the coal rocks is accurately measured, the resistivity change of the coal rocks is synchronously monitored, and the dynamic incidence relation of the gas adsorption amount and the resistivity change is established.

The invention belongs to the technical field of gas detection, and particularly relates to a kitchen methane gas detection alarm device which comprises a shell, a gas inlet bin is arranged in the shell, a gas chamber is fixedly communicated with the rear portion of the gas inlet bin, a detection alarm is arranged above the gas chamber, two sets of irradiators are arranged on the two sides of the detection alarm, and the irradiators are arranged in the gas inlet bin. A suction pump is arranged behind the gas chamber, a gas exchange groove is formed in front of the gas inlet bin, a gas inlet is detachably connected to the front of the shell, and an auxiliary assembly used for being matched with a detection alarm to detect and give an alarm to methane in kitchen gas is arranged in the gas exchange groove. By arranging a plurality of groups of filter screens in the mounting plate, gas about to enter the gas chamber can be filtered, impurities in kitchen gas can be prevented from polluting an optical device in the gas chamber, the accuracy of detecting the concentration of methane in the gas can be improved, and the optical device can be protected.

The invention discloses a heat balance temperature calculation method and device, equipment and a medium, and relates to the technical field of air chamber air supplementation, and the method comprises the steps: carrying out the pre-calculation of a multi-dimensional parameter sample set through a preset multi-dimensional parameter space model, and obtaining a multi-dimensional parameter space data set which comprises the heat balance temperature corresponding to each multi-dimensional parameter sample; acquiring target gas state parameters and target gas injection process parameters of the chamber to be supplemented with gas; and based on a multi-dimensional interpolation method, according to the target gas state parameters, the target gas injection process parameters and the multi-dimensional parameter space data set, calculation is conducted, and the heat balance temperature of the chamber to be supplemented with the gas is obtained. Pre-calculation is carried out through a multi-dimensional parameter space model, and a multi-dimensional interpolation calculation method is combined, so that the calculation efficiency of the heat balance temperature can be improved, and when the inflation volume is calculated on the basis of the heat balance temperature, the situation that inflation is excessive and the heat balance temperature is not calculated is avoided, and therefore the inflation precision of an air chamber is improved, and the calculation efficiency of the heat balance temperature is improved. And the insulation performance and the operation reliability of the GIS are ensured.

The application discloses a vulcanization system and method for silicone rubber based on SF6 waste gas plasma reduction treatment. In the system, a mixed gas chamber, a discharge system, a vulcanization system, a separation gas chamber and a collection gas bottle are sequentially connected by gas paths, the separation gas chamber is connected with the mixed gas chamber through a dilution gas chamber, flow meters and electromagnetic valves are arranged between the mixed gas chamber and the discharge system, between the mixed gas chamber and the dilution gas chamber, and between the separation gas chamber and the dilution gas chamber, and an ultraviolet light source is used for providing light for the discharge system and the vulcanization system, wherein a catalyst is arranged in the discharge system, SF6 waste gas, hydrogen and dilution gas can be introduced into the mixed gas chamber. The application can efficiently utilize S elements in SF6 waste gas, degrades SF6 through catalysis, realizes vulcanization treatment of silicone rubber base material in real time by taking S as a vulcanizing agent while depositing S in the form of an element, finally converts S elements in SF6 waste gas into vulcanized silicone rubber in the form of vulcanization crosslinking, and achieves the purpose of resource utilization of S elements in SF6 waste gas.