1361 results about "Vapor–liquid separator" patented technology

The invention relates to the technical field of intelligent fire extinguishing control of energy storage power stations, in particular to a method and system for plasma protection of thermal runaway of an air-cooled energy storage power station. The method comprises the following steps: processing real-time data acquired by a multi-source sensor through a dynamic risk assessment model to obtain a risk level and an early warning level; an initial control instruction for the plasma generator and the air cooling and refrigerating system is formed according to the risk level and the early warning level; the initial control instruction is processed to form a driving control signal; a control signal is subjected to cooperative execution processing to obtain a high-energy active particle jet flow, a forced airflow and a refrigeration effect. The system comprises an air cooling box body, a battery, a fan, a plasma generator, an ejector, an intelligent controller, a compressor, a gas-liquid separator, a heat exchanger, an electronic expansion valve, a drying filter, a gas sensor and a pressure sensor valve. The safety and reliability of the energy storage power station are improved.

The invention discloses a high-pressure combustion combined heat and power generation energy storage system and method for hydrogen and oxygen production through electrolysis, and relates to the field of hydrogen energy storage. After the electrolytic cell produces high-pressure hydrogen and oxygen, the high-pressure hydrogen and oxygen are stored in the hydrogen / oxygen storage tank, the system can operate in a hydrogen / oxygen mode, and in the oxygen mode operation, the hydrogen and oxygen steam mixed gas from the oxygen storage tank and the hydrogen / oxygen evaporation compressor are combusted in the high-pressure combustion chamber to generate superheated steam, and then the superheated steam enters the expansion turbine to do work; due to excessive oxygen, dead steam after acting is separated into two working media through a gas-liquid separator, that is, gas enters a cooler to be cooled and then returns to a combustion chamber through a hydrogen / oxygen evaporation compressor, drainage water generated after liquid enters a heat supply heat exchanger is pressurized through a water pump and then enters a high-temperature combustion chamber, and therefore clean utilization of hydrogen energy and cyclic regeneration of the working media are achieved. The system can realize high power generation efficiency and excellent environmental protection performance, and is suitable for regions requiring stable consumption of fluctuating renewable energy sources, power and heat supply and the like.

The invention provides an air source heat pump system. The air source heat pump system comprises a compressor, a fin heat exchanger, a shell tube heat exchanger and a gas-liquid separator, wherein the shell tube heat exchanger comprises a gas tube, a liquid tube, a heat exchange tube and a liquid separating device, the air source heat pump system further comprises a four-way valve, the four-way valve is correspondingly communication with the compressor, the gas-liquid separator, the fin heat exchanger and the gas pipe, the fin heat exchanger is in communication with the liquid separating device through a orifice plate and a first one-way valve; the fin heat exchanger is in communication with the liquid tube through an expansion valve and a second one-way valve; the first one-way valve is used for the one-way conduction of the fin heat exchanger to the liquid separating device; the second one-way valve is used for the one-way conduction of the liquid pipe to the fin heat exchanger. By the adoption of the system, a liquid storage device of the liquid refrigerant does not need to be added in the system, so that the cost is saved; a large amount of liquid refrigerant cannot flow back to the compressor after defrosting is finished; during the refrigeration mode, the refrigerant running shell pass does not need to be subjected to suction superheat, so that the air suction pressure and the operation efficiency of the refrigeration mode are improved; and the overall use valve of the system is less, and the reliability is high.

[Problem] Reduction of the stirring resistance that arises in a motor in a coolant circulation system in which an oil-containing coolant circulates to cool and lubricate the motor.[Means of solution] A coolant circulation system 100 comprises: a motor 4 with a rotor 41, a stator 42, a rotating shaft 43 and plain bearings 44; a gas-liquid separator 12, which separates a coolant into CO2 and oil; a CO2 passage 22b, through which the CO2 separated by the gas-liquid separator is supplied to a gap between the rotor and the stator to cool the rotor and the stator; mixing channels 24a, through which a mixture of the CO2 and the oil, obtained by mixing the CO2 and the oil separated by the gas-liquid separator, is supplied to gaps between the rotating shaft and the plain bearings to lubricate the plain bearings; and mixing channels 24b, through which the CO2 supplied to the rotor and the stator from the CO2 channel 22b and the mixture of CO2 and oil supplied to the sliding bearings 44 from the mixing channels 24a are returned to the gas-liquid separator.

A vapor injection heat pump system and a method of operating the same are disclosed. The system includes a compressor, an indoor heat exchanger, a vapor injection module, an outdoor heat exchanger, and an evaporator and in which the module includes a first expansion unit, a gas-liquid separator, and a second expansion unit. The method includes performing control in a first heating mode which is a non-vapor injection heating mode or a second heating mode which is a vapor injection heating mode, wherein, in the operation of performing control, a refrigerant introduced into the module is controlled to expand in the first expansion unit, not expand after passing through the gas-liquid separator, and pass through the second expansion unit in the first heating mode, and the refrigerant introduced into the module is controlled to expand primarily in the first expansion unit.

Disclosed in the present invention is an integrated reforming power generation test system having wide-range fuel adaptability, comprising a fuel supply subsystem, a catalytic reforming subsystem, a hydrogen purification subsystem, a power generation subsystem, and a test monitoring subsystem. A fuel pump and a fuel delivery pump are connected to a water-gas shift reactor by means of an evaporator and a reformer, the water-gas shift reactor is connected to a pressure swing adsorption device by means of a first gas-liquid separator, the pressure swing adsorption device is connected to a fuel cell stack by means of a hydrogen buffer tank, and a gas chromatograph is connected to the reformer by means of a third gas-liquid separator and to the water-gas shift reactor by means of a second gas-liquid separator. By using a variety of fuel resources to produce electricity, the present invention breaks through the limitation of the scope of traditional single-fuel reforming power generation systems, ensures the reliability of electricity supply, gets rid of the dependence on specific fuels, enhances regional energy safety, and improves the flexibility of energy supply.

An embodiment relates to a manifold fluid module integrated with a gas-liquid separator. The manifold fluid module integrated with the gas-liquid separator according to the embodiment may include a manifold plate including a fluid passage formed internally, a heat exchanger coupled to the manifold plate for heat exchange between a first fluid and a second fluid, a first expansion valve coupled to the manifold plate and configured to block the flow of the first fluid or expand the first fluid based on air conditioning mode, and a gas-liquid separator at least partially integrally formed with the manifold plate to create an inflow space for the first fluid expanded by the first expansion valve and to separate the first fluid into gas and liquid phases.

The utility model relates to a liquid hydrogen storage system which comprises an integrated hydrogen storage device and a hydrogen storage medium, the integrated hydrogen storage device comprises a liquid storage tank for storing a hydrogen storage medium, a gas storage tank for storing hydrogen, a reactor connected with the output ends of the liquid storage tank and the gas storage tank, a condenser connected with the reactor, a gas-liquid separator connected with the output end of the condenser, a gas compressor and a gas buffer tank, and one or more unsaturated aromatic hydrocarbons or heterocyclic unsaturated compounds with a saturated vapor pressure of more than 1 kPa and a temperature of 20 DEG C. The gas-phase storage medium of the liquid hydrogen storage system sequentially passes through the condenser, the gas-liquid separator, the gas compressor and the gas buffer tank, so that a hydrogen pressurizing, cooling and refluxing process is realized, a liquid hydrogen storage material can be effectively recycled, and the purity of hydrogen can be ensured.

The invention discloses a compressor refrigeration and fluorine pump refrigeration dual-circulation system, and relates to the technical field of refrigeration equipment, the compressor refrigeration and fluorine pump refrigeration dual-circulation system comprises a compressor refrigeration system and a fluorine pump refrigeration system, and the compressor refrigeration system and the fluorine pump refrigeration system are coupled to form the dual-circulation system for cooling electronic components; the compressor refrigerating system comprises a compressor, a condenser, a liquid storage device, a thermostatic expansion valve, a plate heat exchanger and a gas-liquid separator. The compressor, the condenser, the liquid storage device, the thermostatic expansion valve, the plate heat exchanger and the gas-liquid separator are sequentially connected to form a closed loop. The operation of the double-circulation system is controlled through the fluorine supply temperature collected by the temperature sensor installed at the inlet of the cold plate assembly, the fluorine pump refrigeration system conveys a certain flow of refrigerant to the cold plate assembly for heat exchange, and the refrigerant flowing out of the cold plate assembly exchanges heat with the compression refrigeration system through the plate heat exchanger. And the opening balance system is adjusted to output cold energy to the cold plate assembly.

The system comprises a gradient catalytic reaction rectifying tower and a temperature control system, the rectifying tower is sequentially provided with a rectifying section, a reaction section and a stripping section from top to bottom, the reaction section is filled with an ion exchange resin solid catalyst, and the stripping section is filled with an ion exchange resin solid catalyst. The radiuses of the catalyst bag units are distributed in a gradient mode from small to large along the height of the tower, the catalyst bag units have the functions of catalytic reaction and mass transfer separation, the rectifying section and the stripping section are filled with structured packing or high-separation-capacity metal wire mesh packing, a gas-liquid separator is arranged at an outlet of the stripping section, and a temperature control system achieves segmented monitoring through a multi-point temperature sensor. The surface of the catalyst can be subjected to functional treatment to improve the decomposition resistance; the method comprises the following steps: feeding trichlorosilane generated by cold hydrogenation into the upper part of a reaction section from a feed port, carrying out disproportionation reaction at the gradient temperature of 20-100 DEG C and the pressure of 0.3-0.6 MPa according to the reflux ratio of (15-30): 1 to generate silane, and carrying out rectification and extraction separation to obtain high-purity silane with the purity of 99.999% or above.

The invention provides a thermal management integrated device which comprises a gas-liquid separator and a control unit, the gas-liquid separator is provided with a gas-liquid separation cavity, the gas-liquid separator comprises a gas-liquid separation shell part, the gas-liquid separation cavity is formed in the gas-liquid separation shell part, and the control unit comprises a controller shell part. The controller shell part comprises a heat dissipation part; the heat dissipation part is at least partially attached to the gas-liquid separation shell part, and / or the heat dissipation part and the gas-liquid separation shell part are at least partially integrated. According to the heat management integrated device, the control unit comprises the controller shell part, the heat dissipation part of the controller shell part is at least partially attached to the gas-liquid separation shell part of the gas-liquid separator, and / or, the heat dissipation part and the gas-liquid separation shell part are at least partially integrated, and when the gas-liquid separator works, the heat dissipation part and the gas-liquid separation shell part are integrated. And the low-temperature refrigerant flowing through the gas-liquid separation cavity can cool the controller unit, so that the heat dissipation effect on the controller unit is improved.

The compressor comprises a compressor body, a gas-liquid separator, a first connecting part and a second connecting part, the compressor body comprises a first shell, a compression mechanism is arranged in the first shell, the compression mechanism is configured to compress refrigerants, the gas-liquid separator is configured to provide gaseous refrigerants for a compression cavity of the compression mechanism, and the first connecting part is connected with the second connecting part. The gas-liquid separator comprises a second shell, the second shell is arranged outside the first shell, the first connecting part is configured to be fixedly connected with the first shell and the second shell, the second connecting part comprises a fixed part and two moving parts, the fixed part is fixedly connected with the first shell, the moving parts are arranged on the two opposite sides of the fixed part, and the moving parts are arranged on the two opposite sides of the fixed part. And the two moving parts are configured to move towards the direction close to the second shell according to a vibration signal of the gas-liquid separator so as to surround the second shell or move towards the direction away from the second shell so as to be separated from the second shell, so that the solid frequency deviation of the gas-liquid separator is realized, and the second harmonic generation abnormal sound of the outdoor unit is reduced.

The present application belongs to the technical field of heat pump air conditioner performance detection, and particularly relates to a heat pump air conditioner system economizer performance test system and test method. The test system comprises a first pressure transmitter arranged between a liquid accumulator and an economizer, a first mass flow meter arranged at the inlet of an electronic expansion valve, and a third pressure transmitter arranged between an evaporator and a gas-liquid separator of a heat pump air conditioner system to be tested. A first temperature transmitter is arranged along the main path pipeline connected to the economizer inlet direction, and a second temperature transmitter is arranged along the economizer outlet direction on the main path pipeline. A third temperature transmitter is arranged along the auxiliary path pipeline connected to the economizer inlet direction, and a fourth temperature transmitter, a second pressure transmitter and a second mass flow meter are sequentially arranged along the economizer outlet direction on the auxiliary path pipeline. The test system fills the gap of the current heat pump air conditioner system economizer performance test device and test method, and is conducive to promoting the development and application of heat pump air conditioner technology.

The present invention provides a vapor injection module having a first expansion device that either stops or expands the flow of condensed refrigerant and sends it to a gas-liquid separator. The gas-liquid separator then separates the refrigerant into gas and liquid parts. A second expansion device allows the condensed refrigerant to pass through, expand it, or expand the liquid refrigerant from the separator.

This invention provides a fuel cell system that can estimate the nitrogen concentration of gases emitted from the fuel cell at low cost. [Solution] The fuel cell system 1 comprises a fuel cell 2 that generates electricity through an electrochemical reaction between hydrogen gas and oxygen gas and discharges hydrogen off gas containing unreacted hydrogen gas together with nitrogen gas and moisture; a hydrogen supply channel 40 that supplies hydrogen gas from a hydrogen tank 41 to the fuel cell 2; a recirculation channel 50 that recirculates the hydrogen off gas back into the hydrogen supply channel 40; a gas-liquid separator 51 that separates moisture from the hydrogen off gas to obtain dehumidified hydrogen gas and stores the separated moisture; an exhaust valve 54 that exhausts the dehumidified hydrogen gas from the recirculation channel 50; a pressure sensor 52 that detects the pressure in the recirculation channel 50; and a control device 6 that controls the exhaust valve 54. The control device 6 estimates the concentration of nitrogen gas contained in the dehumidified hydrogen gas based on the value detected by the pressure sensor 52, and controls the exhaust valve 54 to an open state when the concentration of nitrogen gas exceeds a predetermined value.

The invention belongs to the technical field of heat pump rectification, and particularly relates to a double-effect heat pump rectification system which comprises a first-effect rectification tower feeding pump connected with a preheater, the preheater is connected with a first-effect rectification tower, the first-effect rectification tower is connected with a gas-liquid separator through a screw compressor, and the gas-liquid separator is connected with a tail gas condenser through a second-effect falling film reboiler. The second-effect falling film reboiler is connected with a first-effect reflux discharge pump through a first-effect reflux tank, and the first-effect reflux discharge pump is connected with the preheater; the first-effect rectifying tower is respectively connected with a first-effect falling film reboiler and a first-effect falling film circulating pump; the first-effect rectifying tower is connected with a second-effect rectifying tower through a first-effect tower kettle discharging pump; the first-effect falling film reboiler is connected with a second-effect reflux discharge pump through a second-effect reflux tank; the second-effect falling film reboiler is connected with a second-effect falling film circulating pump and a second-effect rectifying tower, the second-effect falling film reboiler is connected with a second-effect rectifying tower kettle discharging pump through the second-effect rectifying tower, and the second-effect rectifying tower is connected with the first-effect falling film reboiler. According to the invention, double-effect rectification and heat pump rectification are successfully combined, and the cost is low.

The invention relates to the technical field of water electrolysis hydrogen production, and particularly discloses a proton exchange membrane water electrolysis hydrogen production device, which comprises an electrolytic tank, a hydrogen generator, a proton exchange membrane and a hydrogen generator, the pre-compression heat exchanger is used for carrying out primary cooling on the hydrogen generated by the electrolytic cell, and the pre-compression heat exchanger is sequentially connected with a compressor, a gas-liquid separator and a precision filter; the after-compression heat exchanger is used for cooling the compressed hydrogen again and is connected with a hydrogen storage tank; raw material water used for electrolysis of the electrolytic cell sequentially passes through the after-compression heat exchanger and the before-compression heat exchanger to exchange heat with hydrogen, so that the problems of large compressor operation load, low energy efficiency and serious system heat energy waste of traditional electrolytic cell hydrogen production equipment are solved.

The invention discloses a biomass gas heat pump system and a control method thereof. According to the method, a generator set part and a heat pump unit part are included; the electricity output end of the generator set part is connected with the electricity input end of the heat pump set part; the generator set part comprises a generator set, a radiator, a stop valve, a cylinder sleeve water heat exchanger and a flue gas waste heat recoverer; the heat pump unit part comprises a compressor, an oil separator, a four-way valve, a condenser, an electronic expansion valve, an evaporator and a gas-liquid separator; the system has two operation modes, namely refrigeration operation and heating operation, and can recover engine flue gas waste heat and cylinder sleeve water waste heat during heating, so that the heating capacity is large, and the heating energy efficiency is high. During refrigeration, flue gas waste heat and cylinder sleeve water waste heat need to be discharged into air, and only the heat pump unit supplies cold. According to the system, biomass gas serves as driving energy to drive the generator to operate, energy distribution of the generator set and the heat pump is adjusted in good time by reasonably utilizing engine cylinder sleeve water waste heat and smoke waste heat, and the primary energy utilization rate of the whole machine is increased.

The invention discloses a method, a system, a medium and equipment for predicting hydrogen in oxygen of an alkaline electrolysis system, and the method comprises the steps: obtaining a total calculation formula for predicting hydrogen in oxygen of the alkaline electrolysis system based on the contribution of dissolved hydrogen which is not separated by a gas-liquid separator, gaseous hydrogen which is not separated by the gas-liquid separator, electrolytic bath saturation diffusion and electrolytic bath supersaturation diffusion mechanisms to hydrogen in oxygen of the system; according to experimental data of the alkaline electrolysis system under different alkaline liquid circulation flow working conditions, calibrating a to-be-fitted coefficient; according to experimental data of the alkaline electrolysis system under different system pressure working conditions, calibrating a to-be-fitted coefficient; according to experimental data of the alkaline electrolysis system under different working current working conditions, calibrating a to-be-fitted coefficient; according to experimental data of the alkaline electrolysis system under different temperature working conditions, a to-be-fitted coefficient sum is calibrated; and inputting temperature, pressure, alkali liquor circulation flow and current experiment data of the alkaline electrolysis system, and calculating hydrogen in oxygen of the alkaline electrolysis system so as to output system HTO under different operation conditions in real time.

The invention discloses an absorption refrigeration system based on combined driving of solar energy and waste heat of a data center. The absorption refrigeration system comprises a multi-energy complementary heat collection circulation module and an absorption refrigeration circulation module. The multi-energy complementary heat collection circulation module comprises a solar heating unit, a liquid cooling cabinet and a plate heat exchanger. And the solar heating unit and the liquid cooling cabinet are respectively connected with the plate heat exchanger. And the absorption refrigeration cycle module is connected with the multi-energy complementary heat collection cycle module. The absorption type refrigeration cycle module comprises an absorption type refrigeration cycle generator, a gas-liquid separator, a condenser, an evaporator, a mixer, an absorber and a solution exchanger. And the absorption refrigeration cycle generator is connected with the plate heat exchanger and the gas-liquid separator. And the gas-liquid separator is connected with the condenser and the solution exchanger. And the condenser is connected with the evaporator. The mixer is connected with the solution exchanger, the evaporator and the absorber. And the absorber is connected with the absorption refrigeration cycle generator. Dependence on external energy can be reduced, and the energy utilization efficiency is improved.

The invention discloses a CO2 transcritical refrigeration system recooling gas-liquid separation device and method, two-stage throttling is adopted, and a recooler and a gas-liquid separator are arranged after first-stage throttling. The recooler takes low-temperature saturated gas shunted from an outlet of the evaporator as a cold source to cool a two-phase mixture subjected to primary throttling; saturated liquid separated by the gas-liquid separator enters the evaporator after being subjected to secondary throttling, and saturated gas flows back to an inlet of the recooler. On the basis of two rigid constraints, namely evaporation pressure reference and charge volume fixation, the equivalent condensation pressure which is physically locked is introduced into the transcritical cycle for the first time, so that the system obtains fixed high-pressure reference. Thermodynamic derivation shows that the recooling ratio is determined by evaporation pressure and uniqueness, and the operation is completely physically adaptive. Simulation results show that the COP under the air conditioner working condition reaches 3.038, is improved by 38.2% compared with that of a basic system and is superior to that of an existing split-flow supercooling technology (17.62%). The compressor only needs to maintain simple frequency modulation of evaporation pressure without a complex algorithm. The device is suitable for CO2 transcritical systems such as air conditioners, heat pumps and freezing and refrigerating.

The invention discloses a purification device for chlorotoluene production waste gas and a use method thereof, and relates to the field of purification devices.The purification device is characterized by comprising a waste gas collection unit, a pretreatment unit, an absorption unit, a catalytic combustion unit, a deep purification unit and a tail gas detection and emission unit which are sequentially communicated along a waste gas treatment path; the device has the advantages that a three-stage treatment process of the absorption unit, the catalytic combustion unit and the deep purification unit is adopted, insoluble VOCs are comprehensively covered, and it is ensured that the concentration of chlorotoluene in tail gas is reduced to 10 mg / m or below; liquid chlorotoluene is removed through a gas-liquid separator of the waste gas collecting unit, then dust is intercepted through a filtering assembly of the pretreatment unit, cooling is conducted through a cooling assembly, blockage and inactivation caused by the fact that impurities are attached to a catalyst are prevented, meanwhile, HCl is removed in advance through the absorption unit, and acid gas is prevented from corroding a combustion furnace.

The invention discloses an integrated secondary circuit thermal management system for an electric automobile. Comprising a water-cooling evaporator, a gas-liquid separator, a compressor, a water-cooling condenser and an electronic expansion valve which are sequentially connected to form a refrigerant loop, and a passenger compartment water loop, a battery water loop and a motor water loop which are respectively connected with the water-cooling evaporator and the water-cooling condenser through a first four-way valve and a second four-way valve. A one-dimensional architecture diagram is adopted, the architecture arrangement of the motor, the motor water loop and the battery water loop is reasonably designed, multiple waste heat recovery modes are experimented, the waste heat of the motor is fully utilized, the energy efficiency of the system is improved in a low-temperature environment, unnecessary parts are reduced, and the complexity and cost of the system are reduced.

Disclosed are an integrated device for multiphase extraction and tail gas and wastewater treatment and a control method therefor. The integrated device comprises at least one set of small multiphase extraction units connected to an extraction well, a reagent tank storing a solubilizing agent and an oxidizing agent, a resin adsorption tower, an oil-water separator, a photocatalytic reactor, an oil storage tank, a heating system for heating the reagent tank and the oil-water separator and providing high-temperature steam for the resin adsorption tower, and a controller, wherein the reagent tank is separately connected to the extraction well and the photocatalytic reactor. Each multiphase extraction unit comprises a gas-liquid separator, a water ring vacuum pump, and a jet pump, wherein an extracted gas-liquid mixture undergoes gas-liquid separation by means of the gas-liquid separator, a waste gas is conveyed to the resin adsorption tower by means of the water ring vacuum pump, waste liquid and an extracted oil-water mixture are respectively conveyed to the oil-water separator by means of the jet pump, wastewater is conveyed to the photocatalytic reactor, and waste oil is conveyed to the oil storage tank. The present invention effectively ensures the stability and high efficiency of removal while realizing miniaturization.

The application discloses a condensation sampling device and a condensation sampling method, and relates to the technical field of condensation sampling. The condensation sampling device comprises a synthesis chamber, a condensation assembly, a liquid recovery tank and a gas-liquid separator. The liquid recovery tank is connected with the condensation assembly through a first branch pipeline, the first branch pipeline is used for guiding the condensed liquid synthesis product into the liquid recovery tank, and the liquid recovery tank is used for storing the liquid synthesis product. The gas-liquid separator is arranged downstream of the condensation assembly, and the gas-liquid separator is connected with the liquid recovery tank through a second branch pipeline. The gas-liquid separator is used for separating the synthesis product passing through the condensation assembly into the liquid synthesis product, and the second branch pipeline is used for guiding the separated liquid synthesis product into the liquid recovery tank. The condensation sampling device disclosed by the application can improve the recovery of the synthesis product and the reuse of the reactant, thereby improving the accuracy of the sampling detection data.

The invention relates to the technical field of alkaline water electrolysis hydrogen production, and discloses a multi-parameter fusion gas-liquid separation effect online evaluation method, which comprises the following steps: acquiring alkali liquor mass fraction concentration, fluid temperature, actual mixing density and mass flow signals on a backflow alkali liquor pipeline of a gas-liquid separator in real time; dynamically calculating the theoretical density of the bubble-free sodium carbonate solution under the current working condition according to the mass fraction concentration of the alkali solution and the fluid temperature which are collected in real time; calculating the absolute deviation between the theoretical density and the actual mixing density; performing real-time noise level analysis on the mass flow signals; according to a comparison result of the absolute deviation and a preset density deviation threshold value; and outputting a separation result judgment result and executing corresponding alarm or interlocking control. The theoretical density of the bubble-free sodium carbonate liquid is dynamically calculated in the control unit in real time according to the online measured mass fraction concentration and temperature of the alkali liquid, and reliable separation result evaluation under the real-time concentration change working condition is achieved.

The invention relates to the technical field of medium recovery, and discloses a heat-conducting medium recovery system and a control method thereof. The recovery system comprises a negative pressure recovery loop, and in the negative pressure recovery loop, the input end of a first branch is connected with one end of target equipment, and the output end of the first branch is connected with a first gas-liquid separator; the input end of the second branch is connected with the top of the first gas-liquid separator, and a vacuum pump is arranged on the second branch; the upstream of the third branch is in heat exchange connection with the refrigerating loop, and the downstream of the third branch is provided with a second gas-liquid separator; the input end of the fourth branch is connected with the top of the second gas-liquid separator, a heater is arranged on the fourth branch, and the output end of the fourth branch is connected with the other end of the target equipment. According to the heat-conducting medium recovery system and the control method thereof, through closed negative pressure circulation, the loss of the heat-conducting medium in the recovery process can be reduced, and the pressure bearing risk of target equipment parts can be reduced.

The invention relates to a method and a system for preparing trichlorosilane from ferrosilicon, the method comprises the following steps: taking ferrosilicon, silicon tetrachloride and hydrogen as raw materials, fully reacting in a fluidized bed reactor to obtain trichlorosilane and FeSiy alloy, xlt; 40). The system comprises a fluidized bed reactor (200), a cyclone separator (300), a washing tower (400), a gas-liquid separator (500) and a coarse distillation tower (600). Compared with the prior art, the method has the remarkable characteristics that the silazite is used as a silicon source and is low in cost and easy to obtain, the reaction activity of trichlorosilane and FeSiy generated by reaction of the silazite, silicon tetrachloride and hydrogen is high, the utilization rate of silicon elements in the compound is high, no extra catalyst needs to be added in the co-hydrogenation reaction, meanwhile, the byproduct FeSiy alloy is produced, and the production cost is low.

The application discloses a gas-liquid separator, which comprises a shell extending along an axial length, a first mounting opening is arranged at the top of the shell, a feed pipe is arranged in the shell through the first mounting opening, the feed pipe has opposite top and bottom ends, the top end is an open end for forming an inlet, the bottom end is a closed end, and a first cyclone mechanism is arranged at the bottom end, the first cyclone mechanism is used for providing centrifugal force to the entering fluid, and the first cyclone mechanism comprises a plurality of cyclone arms with a predetermined radian, the cyclone arm is a hollow cavity structure, one end of the cyclone arm is connected with the feed pipe, and the other end is a rotating arm outlet, a liquid discharge opening for guiding the separated liquid is further arranged on the shell, and a gas discharge opening for guiding the separated gas is further arranged on the shell. The application is a gas-liquid separator with simple structure, large processing capacity, high separation efficiency, small pressure drop loss and long-term stable operation, and can adapt to gas-liquid two-phase separation under different working conditions.

The utility model provides a heat digestion reduction system for liquid chromatography and atomic fluorescence is used together, including heat digestion device, cooling device, sucking pump, gas -liquid separator, digestion agent container and reducing agent container. Heat digestion device includes digestion pipeline and heating device, and heating device is used for heating digestion pipeline. Cooling device includes heat dissipation board and cooling pipeline, and heat dissipation board installs on cooling pipeline and is used for heat dissipation to cooling pipeline. The utility model discloses compared with prior art in ultraviolet lamp digestion, and the higher stability of digestion efficiency is not needed to consider the risk of ultraviolet lamp breakage, and heating temperature will also reduce the memory effect in pipeline, improve hydride generation efficiency. Through setting up cooling device to the mixed liquid of measuring in pipeline after completing heating digestion is cooled, make the aerosol that generates because of heating digestion quick liquefaction, effectively reduce the system pressure in pipeline, avoid the risk of pipeline burst.