269 results about "Gas analyzer" patented technology

The invention relates to the technical field of gas detection, and provides a doped gas concentration detection method and system based on a gas analyzer. The method comprises the following steps: constructing a standard spectrum database under the same pressure and temperature as a to-be-measured site; the method comprises the following steps: introducing sample gas into an optical absorption cell, carrying out wavelength scanning through a tunable diode laser in a plurality of adjacent absorption spectral line intervals containing target gas and interference gas, superposing a high-frequency sinusoidal modulation signal on a driving current, and synchronously detecting a second harmonic component of transmission laser to generate an actual measurement spectrum; fitting the actually measured spectrum with a synthetic spectrum generated on the basis of a standard spectrum database, and outputting a target gas concentration ratio as a detection result when a residual error meets a threshold value, so as to solve the technical problem that the detection precision is reduced due to spectrum overlapping caused by interference gas, and achieve the purpose that the detection precision is reduced by constructing the standard spectrum database and second harmonic spectrum fitting analysis. And the accuracy and the anti-interference capability of gas detection are improved.

A gas emission monitoring system is configured for versatile deployment across various sites, including gas extraction locations, industrial settings, and environmental monitoring areas. The system may include a support structure holding a plurality of tubings, each equipped with at least one intake port. The tubings may be interconnected through a connecting tubing that ultimately links to an analysis tubing feeding into a gas analyzer. The design ensures that the intake ports are strategically positioned at different vertical levels relative to the ground, for example, for optimized air sampling. The gas analyzer may be configured to identify multiple types of gas content in a received air mixture, which is collected from the various intake ports. Thus, the systems discussed herein may provide a comprehensive, adaptable solution for real-time gas monitoring, capable of handling a broad range of gases and environmental conditions.

The utility model discloses a process parameter experiment and selection device for harmless treatment of chemical waste salt, which comprises a reaction furnace, a movable reaction device, a gas inlet pipe, a gas cylinder, a gas outlet pipe, a cold trap and a gas analyzer, the movable reaction device is mounted at an opening in the lower end of the reaction furnace through a sealing flange, and comprises a sample bearing part for feeding a sample into the reaction furnace; a gas inlet pipe is arranged in the movable reaction device, and the gas cylinder is connected with a gas inlet of the gas inlet pipe and used for inputting reaction atmosphere into the reaction furnace; gas generated by the reaction of the sample in the reaction furnace is output through an upper end gas outlet pipe; the cold trap is used for cooling and filtering gas generated by reaction; and the gas analyzer is connected with the cold trap and is used for performing component analysis on the gas filtered by the cold trap. According to the utility model, technological parameters of harmless treatment can be quickly determined by using a small amount of waste salt.

The invention discloses an ultraviolet absorption gas analyzer, and relates to the technical field of gas analyzers. The ultraviolet absorption gas analyzer comprises an analyzer outer shell, the analyzer outer shell is connected with a first supporting seat and a second supporting seat, the first supporting seat is fixedly connected with a light source supporting seat, the light source supporting seat is provided with an ultraviolet light source generator, a rotating disc is rotatably connected between the first supporting seat and the light source supporting seat, and the rotating disc is provided with a rotating shaft. A plurality of groups of optical filter main bodies are arranged on the rotating disc, a measuring air chamber is arranged between the first supporting seat and the second supporting seat, and a light source receiver is arranged on the second supporting seat. According to the ultraviolet absorption gas analyzer, on one hand, protection is provided for the optical filter main body, the optical filter main body is isolated from the external environment, on the other hand, when the optical filter main body is replaced, the replacement of a plurality of groups of optical filter main bodies can be realized only by rotating the rotating disc, and the replacement process is convenient to operate, time-saving and labor-saving.

The utility model discloses an explosion-proof type gas analyzer, which relates to the technical field of gas analyzers and comprises an analyzer explosion-proof shell and a fixing frame, one side of the analyzer explosion-proof shell is provided with an access hole, and the fixing frame is fixedly arranged on the outer side of the access hole. A cover plate is arranged on the side, away from the analyzer explosion-proof shell, of the fixing frame in an abutting mode, a plurality of through holes are formed in the surface of the cover plate in an annular array mode, threaded rods are movably inserted into the multiple through holes, one ends of the multiple threaded rods are fixedly connected with the side wall of the fixing frame, and the other ends of the multiple threaded rods are fixedly connected with the side wall of the analyzer explosion-proof shell. A sliding groove is formed in the side, away from the fixing frame, of the cover plate, a sliding block is arranged in the sliding groove in a sliding mode, an arc-shaped plate is fixedly arranged on the outer side wall of the sliding block, a thread is formed in the inner wall of the arc-shaped plate, and the thread on the inner wall of the arc-shaped plate is connected with the thread on the outer wall of the corresponding threaded rod in a clamped mode. According to the utility model, the explosion-proof housing can be opened in a time-saving and labor-saving manner, and internal elements of the explosion-proof housing can be conveniently maintained.

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 discloses a suction type double-gas analysis leak detector which comprises a first gas analysis chamber and a second gas analysis chamber which are independently arranged, the gas outlet end of the first gas analysis chamber and the gas outlet end of the second gas analysis chamber are connected with a vacuum pump, a first gas conveying pipe is connected to a first gas inlet of the first gas analysis chamber, and a second gas conveying pipe is connected to a second gas inlet of the second gas analysis chamber. A gas inlet II of the gas analysis chamber II is connected with a gas conveying pipe II, and a gas suction nozzle II and a gas suction nozzle I are respectively arranged on the gas conveying pipe II and the gas conveying pipe I in a front-back manner. When the concentrations of the gases sucked by the second suction nozzle and the first suction nozzle are consistent or basically close, the alarm signal is not sent out, and when the concentration of the gases sucked by the second suction nozzle at the front end is larger than that of the gases sucked by the first suction nozzle, the alarm signal of detecting a leakage point is sent out, namely, the gas leakage point exists near the second suction nozzle. And therefore, the position of the leakage point can be locked quickly, accurately and efficiently, and the leakage detection efficiency of the equipment can be greatly improved.

The utility model discloses a low-calorific-value fuel gas calorific value adjusting device for stabilizing combustion of a hydrogen conversion furnace, which comprises a high-calorific-value analytic gas buffer tank and a controller, and the high-calorific-value analytic gas buffer tank is connected with a high-calorific-value analytic gas compressor through a gas pipeline. The high-calorific-value desorption gas compressor is connected with a low-calorific-value fuel gas pipeline through a high-pressure pipeline, an electric control valve controlled by a controller is arranged on the high-pressure pipeline, a gas analyzer controlled by the controller is arranged on the low-calorific-value fuel gas pipeline, and a mixing buffer tank is arranged at the tail end of the low-calorific-value fuel gas pipeline. According to the utility model, the mode that high-calorific-value analysis gas is supplied to low-calorific-value fuel gas is adopted, the low-calorific-value fuel gas pipeline is connected with the high-pressure pipeline, the high-calorific-value analysis gas is supplied to the low-calorific-value fuel gas conveying pipeline according to the detection of the gas analyzer and the adjustment requirements of the calorific value, and then the high-calorific-value analysis gas is mixed through the mixing buffer tank; and the adjusted low-calorific-value fuel gas is conveyed to the hydrogen production reformer, so that the hydrogen production reformer can stably burn.

The invention discloses a full-automatic carbon dioxide flux measurement assimilation system, which belongs to the technical field of environmental monitoring and gas measurement, and comprises: a plurality of full-automatic opening and closing sampling boxes for sealing an area to be measured; a plurality of gas inlets of the multi-port selector valve are respectively connected with the gas outlets of the plurality of sampling boxes through a gas path pipeline with the length of not more than 5m and the inner diameter of 4-6mm; and a gas inlet of the greenhouse gas analyzer is connected with a public outlet of the multi-port selection valve through a gas path pipeline. By integrating a plurality of full-automatic opening and closing sampling boxes and an advanced greenhouse gas analyzer, the system can accurately measure the carbon dioxide flux. The system can automatically switch gas sampling points through the multi-port selector valve, so that the measurement process is more efficient and has higher accuracy. The system utilizes a high-precision sensor to ensure that collected environment data has high precision, which is crucial to calculation of carbon dioxide flux.

The utility model belongs to the field of gas distribution tests, and particularly relates to a multifunctional gas distribution test device which comprises a placing box, a gas distribution tank and a supporting seat, the inner wall of the placing box is fixedly connected with the gas distribution tank, the supporting seat is provided with a rotating assembly and a pushing assembly, and the outer wall of the gas distribution tank is fixedly connected with a gas outlet pipeline. The multifunctional gas distribution test device can flexibly control gases of different gas sources to flow into the gas distribution tank through the first valve switch and the six sets of switches, diversified gas distribution requirements are met, precise gas distribution is achieved, meanwhile, the top of the gas distribution tank is connected with the detection pipeline and the gas analyzer, and a valve can be opened to convey a sample to the analyzer before detection, so that the detection efficiency is improved. The gas distribution concentration can be monitored in real time, the gas distribution quality can be guaranteed, the gas outlet pipeline 7 can be directly connected with pipelines of other equipment, the gas outlet pipeline 7 can be directly connected with the other equipment, and the flexibility of the device is improved.

This invention discloses an online detection method and device for the interlayer vacuum degree of multi-layer insulation in cryogenic containers, belonging to the field of cryogenic insulation vacuum detection technology. The method includes: installing a vacuum-sealed base on the outer wall of the container; penetrating the outer liner with a piercing capillary probe and inserting it into the interlayer gap; constructing a two-stage high-vacuum differential system consisting of an oil-free dry forepump, a turbomolecular pump, a fine-tuning needle valve, a flow-limiting capillary, a differential chamber, and a residual gas analyzer to form a low-speed drainage loop; after pre-evacuating the background gas, adjusting the fine-tuning needle valve to extract the interlayer gas at low speed, simultaneously collecting the total pressure and component partial pressures; calculating the true vacuum degree by combining flow resistance, gas resistance, permeation resistance, and temperature correction; after detection, leaving the end of the piercing capillary probe inside the layer without removing it, and permanently sealing the base port; repeating the detection at different points and depths to complete a full-area scan. This application has the advantages of direct online detection, minimally invasive and leak-free operation, repeatable testing, and accurate tracing of failure causes.

The present application relates to a gas detection device for an electrolysis cell test device and an electrolysis cell test device.The electrolysis cell test apparatus comprises the following: an electrolysis cell for receiving an electrolyte medium and for carrying out an electrolytic reaction, which has an outlet for discharging an electrolysis product; and a gas discharge line, one end of which is connected to the outlet of the electrolysis cell and which is provided with a gas pretreatment device; wherein the gas detection device comprises a gas sampling and analysis line, one end of which is connected to the outlet of the electrolysis cell, and wherein a sample gas treatment module and a gas analyzer are arranged successively along the flow direction of the electrolysis product, wherein the sample gas treatment module performs cooling and gas-liquid separation of the electrolysis product, while the gas analyzer analyzes the gas discharged from the sample gas treatment module.The gas detection device of the present application reduces the time between gas generation in the electrolysis cell and gas detection and improves the safety of the electrolysis cell test device.

1. Name of the product in this design: Online Gas Analyzer. 2. Application of this design: This design is intended for use in environmental protection online gas monitoring and analysis instruments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The invention discloses a performance testing device and a performance evaluation method of a greenhouse gas analyzer. The device comprises a multi-port selector valve, a plurality of input ports of the multi-port selector valve are respectively connected with first to nth input gas paths, and an output port of the multi-port selector valve is respectively connected with a gas path of an instrument to be tested and a gas path of a standard instrument through a three-way interface; the to-be-measured instrument gas path and the standard instrument gas path are the same in gas path structure and comprise a stop valve and a three-way connector which are connected in sequence, one of the three-way connectors is used for being connected with the rotor flow meter, the other one of the three-way connectors is used for being connected with the mass flow controller, and the mass flow controller is used for being connected with the to-be-measured instrument or the standard instrument. The test requirements of performance evaluation of the greenhouse gas analyzer, including calibration and linear test, repeatability and drift test, water vapor correction test and the like, can be met, relatively complex matrix effect test and comparison test between instruments can also be performed, and the condition that a test pretreatment device is repeatedly built in the long-term test process is avoided.

The application discloses a kind of gas analyzer's calibration device and gas analysis system, calibration device includes several groups of calibration module, each calibration module includes controller, and three-way regulating valve equipment and calibration unit are connected with controller communication;Different calibration module is used to calibrate different categories of standard gas;Calibration unit, three-way regulating valve equipment and gas analyzer are sequentially communicated by pipeline;Controller is used to generate first control instruction when calibration, based on first control instruction control the valve opening of corresponding calibration unit;Controller is also used to generate second control instruction when calibration, based on second control instruction drive corresponding three-way regulating valve equipment switches to target working state, to make standard gas that calibration unit exports pass three-way regulating valve equipment and be delivered to corresponding gas analyzer, using standard gas to calibrate gas analyzer and carry out calibration operation.The device ensures the measurement accuracy of analyzer and the accuracy of test result.

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

The utility model relates to the field of gas analyzers, and discloses a gas analyzer with a filtering structure. An upper cover is arranged on the upper surface of the gas storage tank, a micro driving motor is fixedly mounted on the upper surface of the upper cover, a rotating shaft is fixedly mounted on one side of the micro driving motor, an upper fixing frame is welded to the upper portion of the surface of one side of the rotating shaft, a through hole is formed in the surface of the upper fixing frame, and a fixing bolt is movably inserted into the surface of the through hole. A limiting vertical plate is welded to the tail end of the fixing bolt, a lower fixing frame is arranged at the tail end of the limiting vertical plate, a limiting groove is formed in the surface of the lower fixing frame, and an activated carbon adsorption layer is arranged on the upper surface of the lower fixing frame. When the device is used, the activated carbon adsorption layer is inserted into the gap between the upper fixing frame and the lower fixing frame, the fixing bolt is screwed down after the position of the activated carbon adsorption layer is determined, the limiting vertical plate can limit the activated carbon adsorption layer, and it is guaranteed that the activated carbon adsorption layer cannot fall off in the rotating process of the rotating shaft.

The application belongs to the technical field of environmental monitoring, and discloses a device and method for monitoring the gas transmission rate under windless conditions, which comprises an air outlet hole, an air inlet hole, a three-way valve, an upper columnar acrylic tube, an elevator, a fan, a headspace, a rope, a counterweight, an air isolation plate, a silica gel ring, a lower columnar acrylic tube, a sterile CH4-containing water body, an upper air outlet hole, a lower water inlet hole, a carmer peristaltic pump, a German TPU tube, a water-gas separation device and a greenhouse gas analyzer. While ensuring air tightness, the application prepares a water body containing high-concentration greenhouse gases, such as carbon dioxide (CO2), and diffuses under windless conditions. Through the diffusion time, the concentration difference of greenhouse gases in the water body before and after diffusion, the concentration difference of greenhouse gases in the headspace and the specific parameters of the acrylic tube, the greenhouse gas diffusion rate can be calculated. The results can enrich the research connotation of water body greenhouse gases and provide a basis for water body carbon emission to participate in the 'double carbon' strategic goal.

The utility model relates to the field of gas separation, in particular to a pressure swing adsorption system which comprises a gas distribution unit, an adsorption tower, a light component reflux unit, a heavy component reflux unit and a gas analyzer. Light-component product gas and heavy-component product gas are respectively produced from gas raw materials of multiple components through the adsorption tower, the product gas can flow back to the adsorption tower through the corresponding product gas buffer tank, the piston pump, the backflow buffer tank and the mass flow meter, and the pressure of the gas pumped into the backflow buffer tank can be accurately regulated and controlled by regulating and controlling the corresponding piston pump. The reflux ratio of the product gas is accurately controlled; meanwhile, a plurality of mass flow controllers are connected to the feeding end of the adsorption tower, so that the flow of the adsorption tower can be conveniently calculated and compared with the flow of the discharging end of the adsorption tower to judge whether the materials of the system are conserved or not, and gas raw materials with different contents can be conveniently adjusted to explore the separation effect of the pressure swing adsorption experiment.

A technology was expected to reduce the unevenness in the drying rate of the solvent contained in the solution film placed on the substrate compared to conventional methods. [Solution] A substrate processing apparatus comprising a container, a depressurization mechanism capable of reducing the pressure inside the container, a substrate holding part capable of holding a substrate having a film and positioned inside the container, a cover unit positioned inside the container so as to surround the upper part of the substrate held by the substrate holding part, and a connecting part connected to the cover unit and including a conduit that connects a second space surrounded by the cover unit and the substrate holding part to a gas analyzer, wherein the cover unit has an opening, and the first space and the second space outside the cover unit inside the container are in communication through the opening, and the connecting part is equipped with a suppression means to suppress gas from flowing out of the conduit into the second space.

The utility model discloses a kind of real-time carbon emission monitoring devices of thermal power plant, it relates to environmental protection monitoring technical field, the device includes flue, flue is equipped with branch pipe one, branch pipe two and branch pipe three in turn along flue gas flow direction, respectively connect ultrasonic flowmeter, temperature and pressure sensor and sampling tube;Sampling tube is double-layer structure and built-in heating wire, connect with filter box by venturi injector, filter box is equipped with three-stage filter layer, its outlet is connected in turn membrane separation dehumidification unit, gas outlet pipe with pressure balance unit, gas outlet pipe is connected with external gas analyzer.Simultaneously, real-time carbon emission is calculated in combination with flowmeter and temperature and pressure sensor data when working, flue gas is filtered, dehumidified, pressure stabilized and supplied analyzer detection, simultaneously, real-time carbon emission is calculated in combination with flowmeter and temperature and pressure sensor data.The device realizes homologous sampling and parameter monitoring, solves the problems, such as sampling blockage, insufficient pretreatment accuracy, large data deviation in prior art, and has high monitoring precision and strong stability, and is suitable for real-time monitoring of carbon emission of fixed pollution source of thermal power plant.

The utility model provides a multi-flow-path automatic standard-passing calibration system of a gas analyzer, which comprises a sample gas collection module used for collecting sample gas; a plurality of standard gas cylinders, wherein each standard gas cylinder is filled with standard gas with different concentrations; the multi-channel switching valve comprises a plurality of gas inlet channels and a gas outlet channel, each gas inlet channel is provided with an on-off switch, the sample gas collection module is connected with one gas inlet channel on the multi-channel switching valve, and the plurality of standard gas cylinders are respectively connected with the plurality of gas inlet channels on the multi-channel switching valve in a one-to-one correspondence manner through standard gas pipelines; the gas outlet channel is connected with a gas inlet of the dehumidification module through a first gas outlet pipeline, and a gas outlet of the dehumidification module is connected with the gas analyzer through a second gas outlet pipeline; and the control unit is electrically connected with the multi-channel switching valve and is used for controlling on and off of each on-off switch. The problems of complicated operation, high labor cost and low calibration efficiency of a standard-passing calibration mode of the gas analyzer in the prior art are solved.

A portable purity testing system for fuel used in a vehicle includes a fluid conduit extending between a first end and a second end, a pressure and flow regulation system communicatively coupled to the first end and disposed downstream of the first end, and a gas analyzer communicatively coupled to the pressure and flow regulation system and disposed downstream of the pressure and flow regulation system.

The utility model discloses a coal gas pressure stabilizing control device for a blast furnace coal injection and pulverizing system. A waste gas pipeline is provided with a waste gas fan, a waste gas electric regulating valve, a waste gas flowmeter and a waste gas pressure transmitter; a coal mill inlet temperature thermal resistor and a coal mill inlet pressure transmitter are arranged on the outlet pipeline; a coal gas pressure transmitter, a coal gas flowmeter and a coal gas electric control valve are arranged on the coal gas pipeline, and an outlet temperature thermocouple and an outlet pressure transmitter are further arranged on the outlet pipeline; a waste gas carbon monoxide detector and a waste gas oxygen content detector are arranged on the waste gas pipeline; and a gas pneumatic quick switching valve, a gas electric blind plate valve, a gas electric butterfly valve and a carbon monoxide heat conduction type gas analyzer are arranged on the gas pipeline, and the number of the gas electric control valves is larger than or equal to two. According to the utility model, the gas regulating valve or the bypass pipeline three-valve group is additionally arranged, so that a monitoring instrument is perfected, and the gas flow and pressure are accurately controlled.

The invention discloses a simulation device for oil-rich coal in-situ negative pressure pyrolysis and oil gas collection, and aims to solve the problem that multi-condition synergistic effect is not considered in oil-rich coal pyrolysis in an existing laboratory. The system comprises a pyrolysis system, an environment and pressure supply system, a condensed oil gas extraction system, a gas extraction system and a tar quality analysis system, the pyrolysis system comprises a pyrolysis cabin, a heating system is arranged in the pyrolysis cabin, the environment and pressure supply system comprises an atmosphere environment supply system and an in-situ pressure supply system, the condensed oil gas extraction system comprises an oil gas collection assembly, the gas extraction system comprises a gas analyzer and a negative pressure extraction assembly, and the tar quality analysis system comprises a rotary evaporator. The heating system, the atmosphere environment supply system, the in-situ pressure supply system, the oil gas collection assembly, the gas analyzer and the rotary evaporator are all connected with the control terminal. The simulation of the pyrolysis process of the oil-rich coal under the multi-condition synergistic effect is realized by constructing multi-condition coupling oil-rich coal pyrolysis characteristic monitoring.

The object of the present invention is to provide a thin film for a solid-state battery which, due to its low residual solvent content, has a less detrimental effect on the performance of the solid-state battery and can be produced by a continuous roll-to-roll coating process. The present invention relates to a thin film for a solid-state battery 100, comprising solid electrolyte particles 110 and crystalline fluororesin 120 and 130, which binds the solid electrolyte particles 110 together, wherein at least a portion 130 of the crystalline fluororesin has a fibrous form and the content of volatile components, measured by a gas analyzer, is 10 ppm by mass or less.

The invention discloses a gas analyzer based on infrared spectrum and an indication error calibration method. The method comprises the following steps: respectively mounting a spectrum transmitting end and a spectrum receiving end on two sides of a calibration tube; standard gas with the same concentration and different injection operation parameters is injected into each calibration pipe, infrared light is emitted into the calibration pipes at the same time, the light intensity of the infrared light passing through the gas in the calibration pipes and received by a spectrum receiving end is analyzed, and the measurement and calculation value of the concentration of the standard gas is obtained in combination with the absorption law; constructing a calibration model between the concentration measurement and calculation value and the injection operation parameters; injecting to-be-detected gas into each calibration pipe according to the same injection operation parameters, and correcting the measured concentration of the to-be-detected gas based on the injection operation parameters and the calibration model; based on the influence coefficient of the injection operation parameters on gas concentration measurement, the measurement concentration of the to-be-measured gas with unknown concentration is corrected, and the measurement accuracy of the gas concentration is improved.

The invention relates to a high-temperature coal gas carbon migration online quantitative monitoring method and system based on an argon internal standard, and belongs to the technical field of blast furnace ironmaking. The system is characterized in that a high-precision gas distribution execution unit comprises multi-channel mass flow controllers connected in parallel and is used for accurately simulating the composition of industrial gas and maintaining the internal standard concentration of argon; the high-temperature-resistant reaction unit is designed based on an industrial hot-blast stove structure, comprises a reactor and a heating system, and accurately reproduces an industrial heating environment; the rapid phase change quenching unit comprises a micro-channel heat exchanger and a low-temperature phase change system and is used for realizing super-rapid cooling; the intelligent analysis processing unit comprises a gas analyzer, an argon standard flow calibration engine and a bidirectional carbon migration model library; the argon standard flow calibration engine is used for obtaining the actual outlet gas flow through back calculation according to the element conservation principle based on the argon concentration detected by the gas analyzer in the outlet gas; and the bidirectional carbon migration model library is used for storing thermodynamic parameters of the carbon precipitation reaction or the carbon elimination reaction and calculating the carbon precipitation amount and the carbon elimination amount.

The invention relates to the technical field of chip packaging, and provides a method for improving formic acid concentration control precision of a vacuum furnace, which comprises the following steps: a laser gas analyzer and a vacuum furnace pressure sensor are arranged in the vacuum furnace, a laser probe of the laser gas analyzer extends into a gas uniform mixing area in the vacuum furnace, and a thermocouple is arranged near the laser probe; the actual temperature T in the furnace is collected in real time; preset pressure is set for the formic acid barrel, a formic acid barrel pressure sensor collects pressure in the formic acid barrel in real time, and after the pressure is compared with the preset pressure, deviation is dynamically compensated by adjusting the opening degree of a nitrogen inlet valve; a mass flow meter and a proportional valve are installed on a main pipeline of an outlet of a formic acid barrel, after formic acid is output from the formic acid barrel, the flow is adjusted through the proportional valve, and then the actual flow is detected in real time through the mass flow meter; and the formic acid concentration deviation value delta C is obtained by setting the formic acid concentration Cset and the first correction concentration or the second correction concentration or the third correction concentration in the process. And the formic acid concentration control precision of the vacuum furnace is improved.

This invention involves a standard modular analyzer that uses laser sensor technology for precise calibration and measurement on industrial sites. Unlike conventional modular analyzers, this device does not have a central board and is not dependent on specific brands for maintenance and repair. The design of this gas analyzer is such that its different parts can be operated and replaced as separate modules. The invention of the modular standard analyzer is designed to eliminate the time-consuming and costly problems associated with repairing or replacing parts. For this reason, the device has components with high compatibility and adaptability with standard spare parts. This system is designed in such a way that it has overcome the challenges related to the supply of spare parts and the analyzer is stable in the circuit.