41 results about "Liquid argon" patented technology

The invention discloses a liquid air energy storage system based on air separation, which is characterized by comprising an air purification unit, an energy storage unit, an air rectification unit and an LNG (Liquefied Natural Gas) cold supply unit, wherein the air purification unit comprises an air filter, an air compressor, a first cooler, an adsorber and a first heater, and the energy storage unit comprises a first liquid separation tank, a liquid air storage tank, a liquid air pump and an air expansion machine. The air rectification unit comprises a rectification tower, a main cold box, a second liquid separation tank, a second subcooler, a first heat exchanger, a liquid nitrogen storage tank, a liquid oxygen storage tank, a second heat exchanger, an argon rectification system and a liquid argon storage tank; and the LNG cold supply unit comprises a first nitrogen supercharger, a second nitrogen supercharger, an LNG cold box and a first subcooler. The system has the functions of air separation and electric energy storage at the same time, and cold energy of the LNG receiving station is fully utilized for air separation and energy storage to participate in construction of a novel power system of a power grid.

The invention relates to the technical field of detection, in particular to an inner wall state detection device for a liquid hydrogen transportation tank, which comprises a miniature liquid hydrogen transportation outer tank, a miniature liquid hydrogen transportation inner tank is welded and fixed at the upper end of the inner wall of the miniature liquid hydrogen transportation outer tank, and the upper end of the miniature liquid hydrogen transportation inner tank penetrates through the top of the miniature liquid hydrogen transportation outer tank and is in threaded connection with a screw cover; according to the device, by means of the characteristic that liquid argon can be gasified when making contact with normal-temperature air, when the micro liquid hydrogen transportation outer tank is broken, the trigger mechanism is started, and the micro liquid hydrogen transportation inner tank is in a vacuum state; the liquid argon is gasified and mixed with the fluorescent dry powder, the colored gas generated by gasification is sprayed out from the damaged position to form a striking visual mark, a worker can visually find the damaged position at the first time without the aid of a complex detection instrument or large-area troubleshooting, and the fault diagnosis time is greatly shortened.

This invention discloses a novel liquid argon filling pump sealing gas system, belonging to the field of metallurgical air separation oxygen production technology. It includes a liquid argon storage tank, a booster, and a liquid argon filling pump. A liquid phase outlet at the lower end of the liquid argon storage tank is connected to the liquid argon filling pump via a first pipe to fill the pump with liquid argon. Another liquid phase outlet at the lower end of the liquid argon storage tank is connected to the booster via a second pipe. A gas phase outlet at the upper end of the liquid argon storage tank is connected to the booster via a third pipe. The booster is connected to the sealing gas interface of the liquid argon filling pump via an instrument pipe to supply a sealing gas source. The instrument pipe is connected to the second pipe via a tee. The gas phase outlet of the liquid argon storage tank forms a vent outlet at the top of the liquid argon storage tank via a tee on the third pipe. Gaseous argon from the upper end of the liquid argon storage tank enters the booster, is reheated to room temperature by the booster, and then enters the sealing gas interface of the liquid argon filling pump via the instrument pipe as a sealing gas. This system ensures the purity of the liquid argon product, promotes resource reuse, and effectively reduces costs.

The utility model belongs to the technical field of equipment safety, and particularly relates to a liquid argon storage tank with an anti-collision function, which comprises a storage tank shell, a protective component is fixedly connected to the outer wall of the storage tank shell close to the upper end, the protective component comprises a plurality of fixing blocks, buffer components are fixedly connected to two sides of each fixing block, and each buffer component comprises a connecting block. A buffer cavity is formed in the connecting block, a moving groove is formed in the outer side of the buffer cavity, a rotating rod is slidably connected into the moving groove, one end of the rotating rod is rotatably connected with a rotating shaft, and the other end of the rotating shaft is fixedly connected with a buffer plate. According to the liquid argon storage tank with the anti-collision function, a buffer plate receives pressure at the first time, shrinks inwards and drives a sliding plate located in a buffer cavity to downwards press a first elastic piece, and the elasticity of the first elastic piece is utilized, so that impact generated by collision is reduced; and a sliding ring is pressed through a sliding hole by utilizing a pushing column at the bottom of a sliding plate, so that the impact on the storage tank shell is dispersed, and the storage tank shell is protected.

The utility model discloses a safety interlocking device for vaporization of low-temperature liquid oxygen, liquid nitrogen and liquid argon, and relates to the technical field of vaporization equipment. The device comprises a vaporizing tank, a DCS (Distributed Control System), a buffer pressure tank and an exhaust pipeline, wherein a material coil pipe and a steam coil pipe are arranged in the vaporizing tank; a water bath layer is arranged in the vaporizing tank; a steam inlet pipe connected with the steam coil pipe is arranged at the top of the vaporizing tank, a steam regulating valve is arranged on the steam inlet pipe, and a material inlet pipe connected with the material coil pipe is arranged at the bottom of the vaporizing tank. According to the utility model, through the design of the DCS control system, the steam regulating valve, the liquid pump, the liquid level sensor, the in-tank temperature sensor and the pipe body temperature sensor are connected with the DCS control system, when the temperature sensors detect temperature deviation, timely and safe interlocking control can be realized; safety accidents caused by pipeline leakage in the vaporization tank can be monitored, and the safety of vaporization equipment is greatly improved.

The utility model relates to low temperature gas cylinder filling technical field, concretely relates to a kind of argon and carbon dioxide mixed gas filling equipment including base, the upper surface of the base is fixedly connected with two symmetrical support frames, the inner wall of two The support frame is respectively provided with liquid argon storage tank and low-temperature liquid carbon dioxide storage tank, the outer wall between two The support frame is fixedly connected with support plate, the inner wall of the support plate is fixedly connected with mixing box, the inner wall of the liquid argon storage tank is fixedly connected with argon filling pipeline. The utility model is provided with filling busbar, can be connected with multiple gas steel cylinders simultaneously, realize the filling of multiple gas steel cylinders simultaneously, accurately control the filling amount of two kinds of gas, to ensure that argon and carbon dioxide are mixed according to specific ratio, while impeller can fully stir and mix argon and carbon dioxide entering mixing box, ensure that mixed gas composition is uniform, improve the use effect of the filling equipment.

The utility model relates to the technical field of liquid argon purification rotating shafts, in particular to a high-purity liquid argon purification device. According to the technical scheme, the device comprises a fixed box, a top plate, an upper box body, a lower box body, a middle plate and a bottom plate, the upper box body is installed at the upper end of the fixed box, the lower box body is installed at the lower end of the fixed box, the middle plate is arranged in the fixed box, and a filter screen, porous ceramics, a first grid plate, a second grid plate and a third grid plate are installed in the middle plate in a penetrating mode; a top plate and a bottom plate are arranged at the two ends of the filter screen, the porous ceramic, the first grid plate, the second grid plate and the third grid plate, a first treatment chamber is arranged between the top plate and the middle plate, a second treatment chamber is arranged between the middle plate and the bottom plate, an upper butt joint frame is arranged in the upper box body, and a lower butt joint frame is arranged in the lower box body. The longitudinal position can be quickly adjusted through the treatment chamber I and the treatment chamber II, so that the problems of long downtime of equipment and tedious and time-consuming disassembly and assembly of the equipment during cleaning of an argon filtering assembly and an adsorption assembly are solved.

This invention discloses an automatic start-up and load-variable control method for an air separation argon purification system. Automatic start-up, load-variable operation, and steady-state adjustment of the argon purification system no longer require operator intervention; operators only need to change the system's load flow rate setpoint. During automatic start-up, load-variable operation, and steady-state adjustment, the system operates stably, and the nitrogen content of the liquid argon in the product meets requirements. This completely solves the problems of easy overpressure in the argon purification tower and the necessity of discharging substandard liquid argon during the initial automatic operation of the argon purification system, eliminating safety hazards and saving energy consumption. When the argon purification system is operated at reduced load, the minimum load can reach 20% of the normal load, and the operating conditions remain stable, while the product quality still meets requirements. This solves the problem of frequent start-up and shutdown of the argon purification system when user usage fluctuates significantly.

This invention relates to a cold box for argon recovery device with complete argon-hydrogen recovery and its usage method. It includes a cold box containing an argon purification tower, a waste gas distillation tower, a nitrogen production distillation tower, a main heat exchanger, an expander, and a nitrogen production condenser / evaporator, all connected by pipelines. Two main heat exchangers are installed: a first main heat exchanger and a second main heat exchanger. Two expanders are also installed: a first expander and a second expander. One expander is in use while the other is on standby, and they are switched between each other. The waste gas distillation tower is used for cold box capacity balancing, transferring excess cold energy from the nitrogen production system to the argon separation system. The application of this cold box not only maintains a near 100% argon recovery rate and minimizes liquid argon backflow, but also recovers and reuses hydrogen from the waste gas, thereby reducing equipment investment and operating power consumption. It has significant practical value and economic benefits.

The invention discloses a recycling and reusing method for backup liquid emptying argon, and relates to the technical field of argon recycling, an argon recycling assembly, a liquid argon storage tank assembly and a double-membrane gas holder are included, and the method comprises the steps that the pressure of a storage tank is monitored in real time, and when the pressure reaches the upper limit, emptying gas enters an emptying pipeline; the emptying gas is introduced into the heat exchanger through the recovery pipeline, and the raw material gas enters the double-membrane gas holder through the gas inlet pipeline; raw material gas passes through a compressor and then is conveyed to a heat exchanger to exchange heat with emptying gas, so that the emptying gas is reheated, and the raw material gas is pre-cooled and enters a cold box with cooling capacity; mixing the gas subjected to heat exchange with feed gas, performing compression, decarburization and the like, and purifying in a cold box; and the purified argon is reheated to the use temperature through the heat exchanger, and is conveyed to a single crystal workshop together with normal argon. According to the method, argon emission can be reduced, the resource recycling rate and the cooling capacity utilization rate can be increased, then resource loss is reduced, the potential safety hazard probability can be reduced, and the working efficiency can be improved.

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

The invention relates to an automatic air supply system for a hot isostatic pressing air source. A one-key starting instruction module, a liquid argon leading-out control module, a low-temperature liquid pump starting module, a vaporizer vaporization control module, a pressure monitoring and valve group switching module, a pressurization mode adaptation module, a continuous gas production guarantee module, a storage tank group management module, a hot isostatic pressing machine PLC control module and a safety protection module are arranged in the gas source PLC control cabinet; through cooperative work of all the modules, full-process automatic control of liquid argon exporting, pre-cooling, vaporization, storage in the storage tank, equipment gas supply and mode switching is achieved, manual intervention is not needed, the technical defects of an existing gas supply mode are effectively overcome, and the gas supply efficiency, stability, safety and reliability of the hot isostatic pressure gas source are improved.

The utility model relates to a small air separation liquid argon rectification device which comprises a main rectification tower, the main rectification tower comprises an upper tower, a main condensation evaporator and a lower tower, a rectification raw material conveying pipe is arranged on the upper tower, a first rectification tower is arranged at the outlet end of the rectification raw material conveying pipe, and first return pipes are arranged on the first rectification tower and the upper tower. A first filler layer, a second return pipe and a middle gas conveying pipe are arranged in the first rectifying tower, a second rectifying tower is arranged on the second return pipe and the middle gas conveying pipe, a second filler layer, a liquid argon collecting barrel and a third filler layer are arranged in the second rectifying tower, and a liquid argon extraction pipe is arranged at the bottom end of the liquid argon collecting barrel; a first connecting pipe is arranged on the liquid argon extraction pipe, a second connecting pipe is arranged on the second rectifying tower above the liquid argon collection cylinder, and first liquid level sensors are arranged on the second connecting pipe and the first connecting pipe. And the liquid argon product can be extracted from the small-flow liquid argon reflux liquid. The utility model has the advantages of convenient use and wide market prospect.

The invention belongs to the field of low-temperature engineering, and discloses a low-temperature liquid supply system using a cavitation pipe assembly. The low-temperature liquid supply system controls flowing of low-temperature liquid through a centrifugal pump, a pipeline, a regulating valve and a cavitation pipe, one path enters the liquid nitrogen injection bent frame through a main path regulating valve assembly to be used by a user, and the other path returns to the liquid storage tank through a backflow regulating valve or controls fluid pressure through a gas-liquid separation tank. And the pressure fluctuation of a fluid working system caused by large-range pressure difference change is overcome by using the cavitation pipe assembly. According to the low-temperature liquid supply system using the cavitation pipe assembly, the maximum supply flow can reach 315 kg / s, the fluid pressure range is 0.3 MPa-1. 15 MPa, the pressure control precision is better than 0.5%, the low-temperature liquid supply system can be used for low-temperature liquid flowing and heat transfer characteristic research, the low-temperature liquid conveying requirement for large-flow and high-precision control is met, and the low-temperature liquid supply system is suitable for large-flow and high-precision control. And the use requirements of a large low-temperature device on low-temperature liquid such as liquid oxygen, liquid nitrogen, liquid argon and liquid helium are met.

The smelting device comprises a smelting furnace and a liquid argon tank, supporting columns are fixedly installed at the four corners of the bottom end of the smelting furnace, a controller is installed at the bottom of the left side of the smelting furnace, the liquid argon tank is installed behind the smelting furnace, a pressure reducing valve is installed at an output port of the liquid argon tank, and the pressure reducing valve is connected with the controller. The output end of the vaporizer is connected with an air pipe which is communicated with the interior of the smelting furnace. By arranging the pressure reducing valve, the vaporizer and the gas pipe, high-pressure liquid argon in the liquid argon tank can be stably vaporized into normal-temperature gaseous argon, and the normal-temperature gaseous argon is guided into the smelting furnace at a controllable flow, so that compared with the traditional smelting in an air environment which is easy to cause oxidation of aluminum, nickel and cobalt elements, the device disclosed by the utility model has the advantages that the alloy oxidation loss is reduced, and the production cost is reduced. And the component control precision and purity are improved, and the columnar crystal aluminum-nickel-cobalt permanent magnet alloy with high density, high uniformity and stable magnetic performance can be obtained.

The application discloses a device and method for preparing supercooled liquid argon, and the device is a device for preparing supercooled liquid argon, which can prepare supercooled low-temperature liquid argon and keep supercooling degree, and specifically comprises a hydrogen medium sandwich container and a gas pressure control chamber. The hydrogen medium sandwich container is connected with the gas pressure control chamber through a capillary. The gas pressure control chamber contains hydrogen temperature swing adsorption material (MOFs) and a semiconductor temperature control element, the temperature of the MOFs can be adjusted through the semiconductor temperature control element, the adsorption amount of hydrogen of the MOFs is changed, the gas pressure of the sandwich layer is changed, and the cooling rate is controlled.

A cold box of an argon recovery apparatus for full recovery of argon and hydrogen, and a use method therefor. The cold box (C501) is internally provided with an argon purification column (C21), a waste gas distillation column (C23), a nitrogen production rectification column (C22), main heat exchangers, expanders, and a nitrogen production condensing evaporator (K23), which are connected to each other by means of pipes. Two main heat exchangers are provided, which are a first main heat exchanger (E21) and a second main heat exchanger (E22) respectively. Also, two expanders are provided, which are a first expander (ET501) and a second expander (ET502) respectively, and when in use, one is being used and the other is on standby, with the two being switched for use. The waste gas distillation column (C23) is used for cold capacity balancing of the cold box (C501), and transfers excess cold capacity of the nitrogen production system to an argon separation system. The use of the cold box (C501) allows the argon recovery rate to be maintained close to 100%, achieving a small liquid argon re-injection amount, while also recovering and utilizing hydrogen in the waste gas.

The invention relates to the technical field of liquid argon preparation, and discloses a system and method for reducing pollution of a high-purity argon product and an air separation system. The system comprises an argon storage tank, a supercharging device, a first detection device and a controller. Wherein the argon storage tank is used for storing liquid argon, and a gas exhaust port is formed in the top of the argon storage tank; the supercharging device is connected with the argon storage tank; the first detection device is connected with the argon storage tank through a sampling pipeline and is used for detecting the content of nitrogen in the argon storage tank, and the controller is connected with the supercharging device and is used for controlling the load of the supercharging device. According to the technical scheme, negative pressure formed in the argon storage tank can be prevented from sucking air to cause pollution to the liquid argon product, the nitrogen content in the liquid argon product is reduced, and therefore pollution to the high-purity argon product is reduced.

The invention discloses a full-liquid air separation device with independent air refrigeration liquefaction and air separation rectification, and belongs to the field of liquid air energy storage and full-liquid air separation. Comprising an air liquefaction system, an air rectification system, a liquid air storage tank, a liquid oxygen storage tank, a liquid nitrogen storage tank and a liquid argon storage tank. The air liquefaction system comprises a liquefaction raw material air compressor, a liquefaction refrigeration dryer, a liquefaction molecular sieve, a circulator, a hot-end expansion machine, a hot-end cooler, a cold-end expansion machine, a cold-end cooler, a hot-end heat exchanger and a cold-end heat exchanger; the air rectification system comprises a rectification raw material air compressor, a rectification nitrogen water precooling system, a rectification molecular sieve, a main heat exchanger, a rectification tower, a rectification subcooler, a crude argon tower and a pure argon tower. The liquid air storage tank is located between the two systems and serves as buffer connection. Air liquefaction and rectification are independently operated, liquid-air storage tank coupling is utilized, time-phased operation can be achieved, off-peak electricity is utilized, cost is reduced, and efficiency and stability are improved.

This invention relates to the field of chemical automation technology, specifically to an automatic switching continuous gas supply system for argon, comprising a gas source module including a liquid argon vacuum storage tank and a multi-parameter interlocking control system. The liquid argon vacuum storage tank is connected to an ambient temperature vaporizer, and the downstream end of the ambient temperature vaporizer is connected to a gas buffer tank. The output end of the gas buffer tank is connected to an argon pressure regulating valve group. The liquid argon vacuum storage tank includes a tank body and a self-pressurization control system. The liquid argon is pressurized to 1.0 MPa by the self-pressurization control system and then enters the ambient temperature vaporizer to complete the gas-liquid conversion. The vaporized argon is depressurized to 0.65 MPa by the argon pressure regulating valve group and then supplied to the electroslag furnace at the gas-consuming terminal. This system combines two modes: gravity-driven self-drainage of the storage tank and passive vaporization pressurization by the self-pressurizer. When the tank pressure is acceptable but the flow rate is insufficient, gravity-driven self-drainage is relied upon. When the pressure is below the operating threshold, the self-pressurization control system is triggered to utilize ambient waste heat for vaporization pressurization.

The application discloses an argon recovery system and method based on nano-catalysis and membrane separation synergism, and the system comprises an argon pretreatment module, a nano-catalysis reaction module, a membrane separation synergism module and a rectification system. The pretreatment module removes particulates, oil and hydrocarbon impurities through a cyclone separator, an activated carbon adsorption tower and a precision filter. The nano-catalysis module adopts a multi-tube fixed bed reactor, and is internally provided with a carbon nanotube loaded with Pt-CeO2 and a ZSM-5 molecular sieve composite catalyst. CO and O2 are catalytically removed at 180-220 DEG C. The membrane separation module realizes argon-nitrogen separation through a parallel hollow fiber membrane group and a pressure swing adsorption unit. The argon-rich gas is rectified and purified in a low-temperature rectification tower at -180 to -190 DEG C, and the nitrogen-containing gas at the top of the tower is returned to the membrane separation for cyclic treatment. The rectification system integrates a condenser-evaporator, and simultaneously drives the condensation of the gas at the top of the tower and the evaporation of the liquid argon in the tower kettle through liquid nitrogen refrigerant, so that cold-heat coupling is realized. The system is provided with an intelligent control module, and catalytic temperature, membrane separation parameters and reflux ratio are adjusted in real time.

According to the high-purity magnesium and magnesium alloy material anti-oxidation processing system and the environment regulation and control method, liquid argon is introduced into the inner pipe of the gasifier I for primary gasification to absorb a large amount of heat, so that cold energy is transmitted to circulating protection bin air in the shell through the pipe wall, and then water vapor in the protection bin air is condensed to achieve deep dehumidification; argon obtained through primary gasification is introduced into a gasifier II for complete secondary gasification, the temperature is increased to be close to the environment temperature so as to replace air in a protection bin, and in the replacement process, a sodium taking mechanical arm takes out metal sodium in a sodium storage vehicle so that the metal sodium can synchronously react with oxygen and water in the air in the bin for relatively thorough oxygen and water removal; after replacement is completed, argon supply and positive pressure are maintained in a bypass mode, so that oxygen and water vapor in the environment are removed in advance before magnesium is processed, and ultra-clean protection is achieved.

This utility model discloses an argon recovery system, including a distillation column and a heat exchanger. Waste argon gas to be treated, after heat exchange in the heat exchanger, enters the bottom of the distillation column through a pipeline. The bottom of the distillation column is connected to the middle of the column via a main pipeline, and the bottom of the distillation column is also connected to a condenser / evaporator at the top of the column via a pipeline. Pure argon gas at the top of the distillation column enters the heat exchanger through a pipeline and is then discharged from the cold box. A liquid argon reinjection pipeline is connected to the main inlet pipeline, and an atomizing nozzle is installed at the liquid argon outlet end of the liquid argon reinjection pipeline. In this argon recovery system, liquid argon is reinjected into the main inlet pipeline through the atomizing nozzle. The sprayed low-temperature atomized liquid argon fully contacts the hot feed argon gas, uniformly reducing the temperature of the feed argon gas. With the flow of gas, the temperature of the entire distillation column is uniformly cooled, achieving rapid start-up. The actual start-up time is 12-24 hours.

1. The name of the design product: flowmeter. 2. The use of the design product: used for measuring the flow of various cryogenic medium (liquid oxygen, liquid nitrogen, liquid argon, liquefied carbon dioxide, etc.) through the pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a low-temperature rectification device and rectification method, relates to the technical field of cryogenic air separation, and comprises a raw material air compressor, a precooling system, a purification system, an air booster and an air separation cold box which are sequentially connected. The precooling system is composed of two air cooling towers and water cooling towers which are arranged side by side. The air compressed by the raw material air compressor enters the air cooling tower, is cooled and cleaned by normal temperature water, is cooled by chilled water, and is then sent to the purification system. The purified air is connected with the air booster at the rear, and flows into the air separation cold box through different pipelines and expander sets. After being treated by the air separation cold box, medium-pressure or high-pressure oxygen, medium-pressure or high-pressure nitrogen, liquid oxygen, liquid nitrogen and liquid argon products are finally generated. The application can flexibly adjust the liquid yield by adding a low-pressure gas expander, can guarantee the switching of the rectification device between liquid production and no liquid production, and has the advantages of low energy consumption, high flexibility, good economy and the like.

The invention discloses a fire extinguishing method of a lithium ion battery energy storage fire extinguishing device. The fire extinguishing method comprises the following steps: placing the lithium ion battery energy storage fire extinguishing device in an energy storage station; a controller is used for controlling a pressure sensor, a fire detector, a refrigerating machine and a water cooling machine to work normally, and controlling a first switch valve and a second switch valve to be in a closed state; judging whether a fire occurs in the energy storage station; and if it is determined that a fire occurs in the energy storage station, the controller controls the first switch valve and the second switch valve to be opened, argon in the starting bottle is subjected to pressure reduction through the pressure reducing valve, the argon enters the low-temperature storage tank at a preset pressure value, and liquid argon in the low-temperature storage tank can form gas and liquid states and is output through the spraying pipe, so that the fire extinguishing effect is achieved. The invention further discloses a lithium ion battery energy storage fire extinguishing device. By means of the mode, liquefied argon can be sprayed out when smoke and fire are detected, fire extinguishing of the lithium battery is facilitated, the short circuit phenomenon of the battery in the energy storage station can be prevented, and safety is high.

The utility model relates to a purification device for purifying high-purity argon by adopting common argon, which comprises a raw material crude liquid argon pipeline, a first main heat exchanger, a deoxidizing tower, a high-purity argon tower, a second main heat exchanger, a liquid argon subcooler, a high-purity liquid argon storage tank and a nitrogen circulating system, the top of the deoxygenization tower is output to the high-purity argon tower, a high-purity liquid argon pipeline is arranged at the bottom of the high-purity argon tower in a pumping mode, the high-purity liquid argon is directly fed into a high-purity liquid argon storage tank after being supercooled by a liquid argon supercooler, a deoxygenization evaporator is arranged at the bottom of the deoxygenization tower, a nitrogen removal evaporator is arranged at the bottom of the high-purity argon tower, and heat sources of the deoxygenization evaporator and the nitrogen removal evaporator adopt a nitrogen circulation system. The whole structure is relatively simple in composition, good in working stability, simple in operation process and good in purification effect, heat exchange is synchronously carried out on a plurality of pipelines, the efficiency of heat exchange work is improved, effective utilization of a source is guaranteed, energy consumption is reduced, a nitrogen circulating system can fully provide a heat source, and the evaporation and precipitation effect is good.

The utility model provides a device for recycling emptying argon of a liquid argon storage tank. The emptying argon recycling device of the liquid argon storage tank comprises the liquid argon storage tank, a pressure valve, a heat exchanger, a condensing assembly for condensing argon by using liquid argon, a cleaning assembly for cleaning impurities generated by long-time heat exchange, and a vaporizer, according to the emptying argon recycling device for the liquid argon storage tank, due to the arrangement of all the structures, when the pressure of the storage tank is too large and argon is discharged, the discharged argon can be recycled and is vaporized by the vaporizer after being condensed, so that energy waste is reduced, the cleaning assembly is used for cleaning the heat exchanger which works for a long time, and the cleaning efficiency is improved. The service life of the heat exchanger is greatly prolonged, and meanwhile the problem that the heat exchange effect is affected by impurities left on the inner wall of the heat exchanger is solved.

The application discloses a kind of hydraulic semi-continuous casting machine water supply system, including storage tank, controller, cold water tank and pipeline, the emergency water is stored in the cold water tank, and pipeline one end is fixed in the side of cold water tank and with cold water tank inner cavity communication, the liquid level monitoring component is arranged in the cold water tank, pneumatic valve is installed on the pipeline, the liquid argon is stored in the storage tank.This hydraulic semi-continuous casting machine water supply system, adopt argon as driving gas, when external power supply is normal, through the refrigeration device set to make argon liquid storage, when external power supply stops, under the action of temperature difference, liquid argon is gasified into argon to drive pneumatic valve to open, ensure that emergency water is effectively transported in pipeline, simultaneously, through the liquid level detection component set to detect the water level of emergency water in water tower, when water level is lower than the set target, send alarm to the outside, avoid the occurrence of emergency water not enough.

The utility model relates to a liquid argon air temperature vaporizer, which is applied to the technical field of liquid argon vaporizers, solves the problems that the existing liquid argon vaporizer is easy to freeze in a low-temperature environment and affects the vaporization efficiency, and comprises a vaporizer body, a spraying assembly is arranged on the vaporizer body, and the spraying assembly comprises a spraying layer and a conveying piece, the spraying layers are used for spraying water to the outer surface of the vaporizer body, and the multiple spraying layers are longitudinally distributed in the height direction of the vaporizer body; the conveying part comprises conveying branch pipes arranged on the spraying layers and a conveying main pipe for conveying water into the conveying branch pipes, an inlet of the conveying main pipe is connected with external water supply equipment, each conveying branch pipe is provided with a branch control valve, and the conveying main pipe is provided with a main control valve; the device has the advantages that the frozen vaporizer body can be deiced on line, the problems of low vaporization efficiency and insufficient argon supply caused by the freezing problem of the vaporizer are effectively solved, and the effect of stable production is guaranteed.