2837 results about "Buffer tank" patented technology

The invention discloses preparation equipment and a preparation process for preparing high-purity electronic-grade thionyl fluoride, and the preparation equipment comprises a mixer, the mixer is communicated with a first preheating device, the first preheating device is communicated with a first rectifying tower, the top of the rectifying tower is connected with a condenser, the condenser is communicated with a crude product tank, the crude product tank is communicated with a second preheating device, and the second preheating device is communicated with a second rectifying tower. The second preheating device is communicated with a second rectifying tower, the second rectifying tower is communicated with a third rectifying tower, the third rectifying tower is connected to a storage tank, the storage tank is connected with a vaporization device, the vaporization device is pressurized and then stored in a high-pressure buffer tank, the high-pressure buffer tank is connected with at least three adsorption towers, and the adsorption tower at the rearmost end is connected with a high-pressure product tank. According to the invention, the purity of the finished product is improved, and all raw material components are fully utilized.

The invention discloses a multifunctional integrated gas control system for a dilution refrigerator, and particularly relates to the field of refrigeration and low-temperature engineering, which comprises a liquid nitrogen cold trap, a gas buffer tank, an integrated valve box, a dilution refrigeration internal circulation pipeline, a diaphragm compressor, a roots pump, a turbo molecular pump and a vacuum suction pump set. According to the system, a highly-integrated valve box module is used and is responsible for implementing gas circuit control on different stages such as dilution refrigeration cycle starting, operation and shutdown rewarming; according to the invention, conductance optimization and heat loss reduction are carried out on gas paths with different temperature zones and different pressures, high air tightness of a full temperature zone from room temperature to extremely low temperature is ensured, the reliability and the automation degree of the dilution refrigerating machine are improved, and very positive significance is provided for practicability of a dilution refrigerating system.

The utility model discloses a multi-element gas automatic mixing device which comprises a plurality of gas branches, all the gas branches are jointly connected with a gas main path, the gas main path is connected with a mixing tank, the gas main path is provided with a static mixer, the mixing tank is provided with a dynamic mixer, and the static mixer is connected with the dynamic mixer. A gas outlet of the mixing tank is sequentially provided with a first-stage buffer tank, a second-stage buffer tank, a third-stage buffer tank and a first gas storage chamber in the gas conveying direction, and efficient mixing of gas is achieved through a static mixer and a dynamic mixer. The static mixer utilizes a spiral structure to generate rotation and turbulent flow to promote uniform mixing of gas; under the condition that the gas flow speed is lower or the gas types are more, the dynamic mixer is provided with an electric stirring blade, the mixing uniformity is further improved through mechanical stirring, the gas enters the buffer tank after being mixed through the arrangement of the multi-stage buffer tank, the pressure fluctuation is reduced, and the flow speed is homogenized. And the repeated diffusion and distribution process in the buffer tank improves the mixing uniformity of the gas.

The invention discloses a digital pressure pulse thermal processing system for preparing compound seasoning, which relates to the field of food thermal processing and comprises seven parts, namely a batching kettle, a reaction kettle, a buffer tank, a condenser, a flash tank, a weighing pressure tank and a vacuum balance tank, and a central control system, the seven parts, all the pipelines, automatic valves on all the pipelines and corresponding sensors on the seven parts form nine systems, namely a feeding system, a stirring system, a material spraying and returning system, a water-oil fractionation and recovery system, a discharging system, a heating system, a circulating cooling system, a distillation system and a vacuum system through different combination modes; the central control system is connected with and controls the nine systems, the automatic valves on the pipelines and the corresponding sensors and the automatic valves on the seven components; therefore, the temperature rise and drop, high-temperature positive pressure, high-temperature negative pressure and the flash evaporation process with adjustable intensity and frequency of the reaction kettle are realized. The extraction and reaction efficiency in the hot working process of the compound seasoning is remarkably improved.

The invention relates to the technical field of chemical separation, in particular to a cyclohexanone rectification and purification method based on high-tower segmented packing, which comprises the following steps: step 1, filtering a cyclohexanone raw material containing impurities to remove solid particles, and dynamically adjusting the filtering precision according to the viscosity of the raw material; 2, arranging a bottom section, a middle section and a top section in the vertical high tower; the temperature gradient of each section is regulated and controlled through an independent temperature control unit, so that the temperature gradient of the middle section is matched with the relative volatility of the cyclohexanone-light component; 3, dynamically adjusting the reflux ratio based on the real-time detection result of the purity of the tower top distillate, and controlling an intermittent discharge valve according to the density change of the tower bottom heavy component enrichment liquid so as to continuously remove the heavy components; and 4, recycling the waste heat of the steam at the top of the tower for preheating the raw materials, and inhibiting the tower pressure fluctuation through a buffer tank. Through the innovative design of sectional packing of the high tower, the separation efficiency is improved, the energy consumption is reduced, and meanwhile, the equipment reliability is improved.

A device for testing gas tightness and internal gas flow performance of a low-temperature heat insulation module, comprising a gas inlet / liquid inlet module (200), a gas discharging / liquid discharging module (100), and a heat insulation module (1). The gas inlet / liquid inlet module (200) comprises an inner-layer space liquid nitrogen inlet valve (6), an outer-layer space liquid nitrogen inlet valve (13), a low-pressure pressure control module, an inner-layer space high-pressure pressure control module, an outer-layer space high-pressure pressure control module, a buffer tank (34), a pressure reducing valve (14), and a filter (35) which are connected by means of pipes. The gas discharging / liquid discharging module (100) comprises a liquid nitrogen / nitrogen gas discharging valve (3), an inner-layer space gas discharging valve (4), and an outer-layer space gas discharging valve (5) which are connected by means of pipes. An outlet of the gas inlet / liquid inlet module (200) is connected to an inlet of the heat insulation module (1), and an inlet of the gas discharging / liquid discharging module (100) is connected to an outlet of the heat insulation module (1). The device can achieve tightness inspection and adaptability research and testing and research of internal space gas flow performance of the heat insulation module (1) under a low-temperature working condition and a normal-temperature working condition.

The utility model relates to a small-sized low-temperature gas purification and pressure control device which comprises a particulate matter filter, a pressure buffer tank, a pressure controller, a purifier and a parallel gas conveying pipeline, the parallel gas conveying pipeline is divided into a gas inlet channel, a flow dividing channel, a purifying channel, a connecting channel, a refrigerating channel and a gas outlet channel through valve assemblies. According to the utility model, unnecessary parts are omitted, and only the particulate matter filter, the pressure buffer tank, the pressure controller, the purifier and the parallel gas conveying pipeline are reserved, so that the volume of the equipment is effectively reduced while the gas purity and the pressure stability are ensured, and the whole structure is more compact; and three different lines are arranged to carry out pipeline purging, gas leakage detection and gas conveying work respectively, so that normal operation of the refrigerating machine is guaranteed, the service life of a product is greatly prolonged, and the reliability of the product is greatly improved.

The invention relates to the technical field of chemical engineering, in particular to a simple and safe ammonia residual gas recovery system which comprises a liquid ammonia storage tank (1), an accident ammonia absorption tower (2), a circulating pump set, a gas phase pipeline and a liquid phase pipeline, the circulating pump set comprises a circulating water pump, a compression pump and a waste heat recovery pump, the waste heat recovery pump is connected with a steam valve, and the liquid ammonia storage tank (1) is connected with a gasifier (11). The vaporizer (11) is connected with the buffer tank (12), the buffer tank (12) and the accident ammonia absorption tower (2) circulate pure ammonia gas through a gas phase pipeline, the accident ammonia absorption tower (2) and the liquid ammonia storage tank (1) circulate pure liquid ammonia through a liquid phase pipeline, the absorption tank (21) adsorbs exhaust gas detected by the accident ammonia absorption tower (2), and recovered nitrogen is used for purging the liquid ammonia storage tank (1), so that escape-free environment-friendly treatment and recycling of ammonia are realized.

The invention discloses a process for preparing ultra-pure hydrogen by recovering and purifying hydrogen. The process comprises the following steps: nitrogen replacement: carrying out three times of pressurization-decompression circulation on an adsorption tower and a pipeline; pretreatment of raw materials: hydrogen-containing tail gas is treated by a buffer tank, a compressor, a desulfurization tower and a horizontal adsorption tower and then enters a PSA (Pressure Swing Adsorption) system; pSA purification: a 6-2-3 / P process is adopted, two towers in six adsorption towers perform adsorption at the same time, and hydrogen larger than or equal to 99.99% is produced; regeneration of the adsorbent is completed through three-stage pressure equalizing and reducing, clockwise / anticlockwise pressure reducing, product hydrogen flushing and three-stage pressure equalizing and boosting; refining by a membrane separation unit: carrying out membrane separation on PSA hydrogen to produce ultrapure hydrogen of which the purity is greater than or equal to 99.999%, and returning trapped gas to a compressor; and condensate water recovery: carrying out steam stripping and deoxygenization on the process condensate liquid, and then taking the process condensate liquid as boiler feed water. The process integrates PSA and membrane separation technologies, realizes efficient and energy-saving ultrapure hydrogen preparation, and is suitable for the fields of green hydrogen energy storage, electronic industry, high-end chemical industry and the like.

The utility model discloses a gas loss detection device and a compressor, and aims to solve the technical problems that the detection of the hydrogen leakage rate of the compressor is inaccurate, and leaked hydrogen is not recycled. The gas loss detection device comprises a recovery pipeline, a compression detection mechanism, a pneumatic control valve and a high-pressure separator are arranged on the recovery pipeline, the compression detection mechanism is communicated with an isolation cavity of a compressor, and hydrogen in the isolation cavity enters a hydrogen buffer tank of the compression detection mechanism to be stored and compressed; after being purified by the high-pressure separator, the hydrogen enters a gas inlet pipeline of the compressor to be reused, so that the waste of hydrogen is avoided and the cost is reduced; and a pressure gauge of the compression detection mechanism detects the pressure of the buffer tank, records the relationship between pressure change and time at a control end, and calculates the leakage rate of the compressor so as to judge the sealing performance of the compressor cylinder.

The invention relates to an experimental device and an experimental method for simulating CO2 storage in a coexistence space of a coal seam and a goaf of an abandoned mine, the device comprises a gas source module and a pressurization module, the pressurization module comprises an air compressor and a gas booster pump; the simulation module comprises a high-pressure gas buffer tank, a simulation coal seam module and a simulation goaf module, and the high-pressure gas buffer tank is connected with the gas booster pump; wherein the simulation coal seam module comprises a coal seam tank, the coal seam tank is coated with a heat insulation layer, a coal sample, a temperature sensor I and a pressure sensor I are arranged in the coal seam tank, a strain test part is arranged on the surface or in the coal sample, an inlet of the coal seam tank is connected with a gas booster pump, and an outlet is connected with the analysis module; the mined-out simulation module comprises a cavity tank, a temperature sensor II and a pressure sensor II are arranged in the cavity tank, an inlet of the cavity tank is connected with an outlet of the coal seam tank and the gas booster pump through valves, and the outlet of the cavity tank is connected with the analysis module.

The utility model discloses an efficient reaction device for Fenton reaction, which comprises an adjusting tank A and an adjusting tank B. A plurality of treatment tank groups are arranged between the adjusting tank A and the adjusting tank B. The treatment tank groups consist of a plurality of mixing tanks, the plurality of mixing tanks are mutually isolated by partition plates, the upper ends of the plurality of partition plates are respectively provided with an overflow port for wastewater circulation, and the upper ends of the plurality of partition plates are respectively provided with an overflow port. And rotating modules for controlling the flow direction of the wastewater are mounted on the regulating tank A and the regulating tank B respectively. The device is simple in structure, wastewater in the adjusting tank A can be subjected to split-flow treatment by arranging a plurality of treatment tank groups, the degradation effect of organic matters is directly improved by reducing the water quantity, meanwhile, the reaction time is shortened, the treatment efficiency is improved, in addition, each treatment tank group consists of a buffer tank, a treatment tank and a reaction tank, and the cost is reduced. The wastewater can be treated step by step, so that the situation that concentrated sulfuric acid and ferrous ions are added synchronously in the reaction tank is avoided, and the wastewater treatment efficiency is improved.

The utility model discloses a BOG liquefaction recovery device of an LNG storage tank. The LNG storage tank is provided with a gas phase opening and a liquid phase opening, and the gas phase opening is formed in the top of the LNG storage tank; the BOG liquefaction recovery device comprises a refrigerating machine, an LNG buffer tank and an LNG pump, the LNG pump is installed in the LNG buffer tank, a liquid phase inlet is formed in the bottom of the LNG buffer tank, the refrigerating machine is provided with a gas phase inlet and a liquid phase outlet, a gas phase opening of the LNG storage tank is connected with the gas phase inlet of the refrigerating machine through a first gas phase pipeline, a first valve is installed on the first gas phase pipeline, and a second valve is installed on the second gas phase pipeline. A liquid phase outlet of the refrigerating machine is connected with a liquid phase inlet of the LNG buffer tank through a first liquid phase pipeline, a second valve is installed on the first liquid phase pipeline, a liquid outlet of the LNG pump is connected with a liquid phase opening of the LNG storage tank through a second liquid phase pipeline, and a third valve is installed on the second liquid phase pipeline. The BOG in the LNG storage tank can be liquefied and recycled, and therefore emission of the BOG in the LNG storage tank is effectively reduced.

The utility model discloses a pilot plant for producing fulvic acid by a pyrolysis method. The pilot plant comprises a conduction oil boiler, a grinding machine, a reaction kettle, a sleeve cooler, a buffer tank, a circulating cooling tower and a circulating cooling water pump, wherein the heat-conducting oil boiler is circularly connected with the reaction kettle; the grinding machine is sequentially connected with the reaction kettle and the buffer tank; the sleeve cooler is arranged on a pipeline between the reaction kettle and the buffer tank in a sleeving manner; the sleeve cooler is further connected with a circulating cooling tower, a circulating cooling water pump and a buffer tank in sequence; and the buffer tank is also respectively connected with the sleeve cooler and the circulating cooling tower.

The utility model relates to the technical field of air compressor filters, in particular to a blowback self-cleaning treatment device for an air compressor filter. The device comprises a pressure sensor arranged in a suction pipeline at an inlet of the air compressor, wherein the pressure sensor is connected with a differential pressure transmitter; an exhaust pipe of the air compressor is connected with an air source buffer tank; a gas outlet of the gas source buffer tank is connected with an exhaust control valve; the end, away from the air source buffer tank, of the exhaust control valve is connected with an air conveying pipeline, and a back flushing nozzle is arranged on the air conveying pipeline and located above the air compressor filter cartridge. The differential pressure transmitter and the exhaust control valve are connected with the controller so as to be used for receiving signals of the differential pressure transmitter and controlling opening and closing of the exhaust control valve according to the signals. According to the utility model, the technical problems that the precision is low and the cleaning effect is not ideal or excessive cleaning is easily caused because the self-cleaning of the filter cartridge is controlled only through a pressure value in the prior art are effectively solved.

The invention discloses a solid-gas coupling hydrogen storage system and a flow and pressure coordinated regulation and control method thereof. The system comprises a gaseous hydrogen storage tank, a solid hydrogen storage tank, a hydrogen coupling regulation and control device, a hydrogen buffer tank, a solid hydrogen storage thermal management system, a high-pressure proportional valve, a low-pressure proportional valve, a three-way valve and a hydrogen storage valve. The gaseous hydrogen storage tank is connected with the hydrogen coupling regulation and control device through a pipeline, and high-pressure hydrogen is conveyed to the high-pressure inlet end of the hydrogen coupling regulation and control device. The low-pressure inlet end of the hydrogen coupling regulation and control device is connected with the solid hydrogen storage tank through a pipeline, and the outlet end of the hydrogen coupling regulation and control device is connected with the hydrogen buffer tank through a pipeline; and the pipelines of the gaseous hydrogen storage tank and the solid hydrogen storage tank are simultaneously connected with the three-way valve. According to the system, efficient and safe hydrogen storage and supply are achieved through the synergistic effect of all the components, and reliable technical innovation and support are provided for hydrogen energy application.

According to the hydrogen-electricity conversion system based on the solid-state hydrogen storage material, in the system, a hydrogen release tank is a packaging unit for packaging the solid-state hydrogen storage material, a liquid-phase buffer tank contains water, the liquid-phase buffer tank is connected with the hydrogen release tank, and the solid-state hydrogen storage material is stored in the liquid-phase buffer tank. The water adding pump is connected with the liquid-phase buffer tank so as to inject water in the liquid-phase buffer tank into the hydrogen release tank to complete a hydrolysis reaction to generate hydrogen; the washing gas is connected with the hydrogen release tank so as to remove impurities from small solid particles and part of water vapor in the hydrogen; the hydrogen cooler is connected with the scrubber tank to cool the hydrogen; the water separator is connected with the hydrogen cooler so as to separate water vapor in the hydrogen; a fuel cell system is connected to the water separator to generate power based on the hydrogen. The system is stable in reaction and high in safety.

The present invention discloses a wet charged waste lithium battery crushing device and method, which includes a machine body, on which there are a crusher, a spraying system, a lifting conveyor, a scraper trough, a mixing tank, a buffer tank and a dosing system. The present invention uses a crusher to crush waste lithium batteries, and at the same time sprays water to cool down during the crushing process, which can prevent crushing from catching fire and exploding, and has high safety; in addition, wet crushing can be carried out while charged, and there is no need to discharge before crushing, so the pre-treatment cycle of waste lithium battery recycling can be effectively shortened, and the production efficiency is higher; in addition, the solid materials formed after the waste lithium batteries are crushed are transported to a drying furnace for subsequent recycling and reuse, while the aqueous solution enters the mixing tank and the buffer tank in sequence, and the graphite-containing precipitate enters a filter press after horizontal flow sedimentation for subsequent recycling and reuse; obviously, the present invention can effectively carry out the pre-treatment work for the recycling and reuse of waste lithium batteries.

The utility model relates to the field of natural gas dehydration, and discloses a natural gas cold energy dehumidification system which comprises a dehumidification structure and a water storage buffer tank, a flow meter is arranged on a gas inlet pipe of a high-pressure natural gas pipeline, the dehumidification structure comprises a dehumidification box body communicated with the high-pressure natural gas pipeline, and a heat exchange pipeline is arranged in the dehumidification box body. Low-temperature flash steam circulates in the heat exchange pipeline, a flow control valve used for controlling the flow of the low-temperature flash steam is arranged on the heat exchange pipeline, the bottom of the dehumidification box communicates with a water storage buffer tank through a pipeline, and a drainage valve is arranged at the bottom of the water storage buffer tank. Natural gas in the high-pressure natural gas conveying pipeline is cooled through low-temperature flash steam guided out of the LNG storage tank, so that water vapor mixed in the natural gas is liquefied when meeting cold, collected condensate water is discharged in time, the dehumidification system can continuously and automatically work, the water vapor content in the natural gas is reduced, and the energy consumption is reduced. The dehumidification device has the advantages of simple structure, low cost and excellent dehumidification effect.

The invention relates to the technical field of hydrogen energy storage and transportation, and discloses a hydrogen storage system convenient for hydrogen charging and discharging regulation, comprising: a gas input module comprising a gas discharging column unit, a buffer tank and a connecting unit, the gas discharging column unit being connected with a tube bundle vehicle by using a ferrule type quick joint, a compression module comprising a first hydrogen compressor unit and a second hydrogen compressor unit, the second hydrogen compressor unit adopts a water-cooling diaphragm structure, the hydrogen storage module comprises a first hydrogen storage bottle group unit and a second hydrogen storage bottle group unit, and the second hydrogen storage bottle group unit is divided into three-stage storage, a gas distribution and control module, a safety guarantee module, a monitoring module and an auxiliary module. Through a gas discharging column double-path parallel interface of the gas input module and the temperature compensation type pressure gauge, and in combination with a check valve and a rupture disk of the buffer tank, the damage of high-pressure impact to equipment is avoided, so that the equipment is prevented from being damaged by the high-pressure impact, and the service life of the equipment is further prolonged.

The invention belongs to the technical field of octafluoropropane rectification tail gas recovery treatment in the high-purity electronic special gas industry, and particularly relates to a skid-mounted octafluoropropane tail gas recovery treatment device and a use method. The device comprises a buffer tank, a catalytic reaction tower, a heat exchanger, a recycling unit, a plasma cracking unit and a tail gas treatment unit, the buffer tank is communicated with the catalytic reaction tower, the catalytic reaction tower is communicated with the heat exchanger, one end of the heat exchanger is communicated with the plasma cracking unit, the other end of the heat exchanger is communicated with the recycling unit, and the recycling unit is further communicated with the plasma cracking unit; and the plasma cracking unit is communicated with the tail gas recovery unit. According to the invention, recovery of octafluoropropane and the like is realized through two-stage catalytic reaction, and tail gas emission is reduced.

The invention discloses a BOG recondensation system for a dual-fuel ship. The BOG recondensation system comprises a BOG pretreatment unit, a BOG recondensation unit, a low-pressure fuel gas supply unit and a high-pressure fuel gas supply unit. The BOG pretreatment unit comprises a BOG preheater, a BOG suction port tank, a compressor, a first-stage oil-gas separator, a BOG aftercooler and a second-stage oil-gas separator which are connected in sequence; the re-condensation unit comprises a secondary oil-gas separator, a BOG pre-cooler, a BOG re-condenser, a high-pressure pump and a high-pressure vaporizer which are connected in sequence; the low-pressure fuel gas supply unit comprises a low-pressure pump arranged in the fuel tank, and a fuel gas duplex filter, a BOG recondenser and a high-pressure pump which are sequentially connected with an outlet of the low-pressure pump; the high-pressure fuel gas supply unit comprises a high-pressure gasifier, a BOG pre-cooler, a high-pressure fuel gas buffer tank, an engine fuel gas supply main valve set and an engine which are sequentially connected with an outlet of the high-pressure pump. The method is low in investment cost, and fuel loss can be reduced.

The invention relates to the technical field of steel plant air compression, and discloses a steel plant air compression system universal energy-saving and stable air supply control method which comprises the following steps that S1, the total air consumption demand Q of a steel plant compressed air pipe network is monitored in real time; s2, executing a load segmentation control strategy based on the total gas consumption demand Q; s3, loading and unloading operation of the power frequency air compressor and rotation speed adjustment of the variable frequency air compressor are controlled in a coordinated mode through a central energy-saving control unit; and S4, a pressure buffer tank is arranged on an output pipeline of the variable-frequency air compressor and used for stabilizing the pressure of the pipe network. The total air consumption demand Q is divided into two sections, the power frequency machine is started and stopped according to the N + 1 principle, and the frequency converter is supplemented for continuous quantity supplement, so that the system can operate only with the minimum necessary unit in any load scene, energy waste caused by over-start and over-stop in a traditional scheme is avoided, and overall reduction of compressed air production energy consumption is realized.

The invention discloses a circulating fluidized bed boiler water supply optimization method and system, and belongs to the technical field of boiler energy conservation. The system mainly comprises a condensate water tank, a demineralized water tank, a slag cooler, a deoxygenization water tank, a condensate water pump, a demineralized water pump, a plate heat exchanger, a reverse osmosis membrane group, a demineralized water buffer tank and the like. The principle of'condensate water priority 'is adopted, the supply amount of condensate water is preferentially adjusted according to the liquid level of the deoxygenated water tank through the intelligent control unit, and the insufficient part is supplemented by demineralized water; the demineralized water subjected to heat exchange by the slag cooler is intelligently distributed to a demineralized water tank, a condensation water tank or a deoxygenization water tank according to the water outlet temperature; the plate heat exchanger can preheat reverse osmosis inlet water by adopting a desalting water mode or a steam mode; the demineralized water buffer tank effectively inhibits water impact. Dynamic balance and heat energy gradient utilization of steam condensate water and demineralized water are achieved, the problems of water tank overflow and energy waste are effectively solved, and the economical efficiency and stability of boiler operation are remarkably improved.

The invention discloses a hydrogen compressor test device and a test method.The test device comprises a gas storage bottle set, two inlet buffer tanks, two testers, two outlet buffer tanks and a back pressure valve which are sequentially communicated through pipelines, and the inlet buffer tanks and the testers are connected in parallel; outlets of the back pressure valves are communicated to the two groups of inlet buffer tanks, and the two groups of back pressure valves are arranged in parallel; the pipe diameters of the inlet pipelines and the outlet pipelines corresponding to the inlets and the outlets of the two groups of testing machines are different, so that the displacement is controlled according to the pressure. The system has the characteristics of wide working condition, high pressure, large discharge capacity, automatic control and gas recovery, can monitor performance parameters such as temperature, pressure, discharge capacity and the like in a platform operation process in real time, meets the requirements of various hydrogen energy compressor type tests, predelivery tests and scientific research tests, and provides support for design, simulation and performance evaluation of a 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.

The utility model belongs to the technical field of VOCs treatment, and particularly relates to a VOCs treatment and recovery device. A tail gas main pipe is connected with a tail gas buffer tank, the tail gas buffer tank is connected with a membrane group liquid accumulation tank through a second booster pump and a condenser, a gas outlet of the membrane group liquid accumulation tank is connected with a membrane separator through a filter, a first pressure transmitter and a first booster pump, and the membrane separator is connected with the tail gas buffer tank through an organic gas circulating pipe. The membrane separator is connected with a standby absorption tank through an exhaust pipe and a retreatment pipe, the membrane separator is connected with the atmosphere through the exhaust pipe and a qualified discharge pipe in sequence, the exhaust pipe is provided with a detection hole, the bottom of the tail gas buffer tank and the bottom of the membrane module liquid accumulation tank are connected with a recycled liquid metering tank, and the recycled liquid metering tank is connected with a reaction kettle. By arranging the retreatment pipe on the exhaust pipe and monitoring through the detection hole, when the content of the VOCs exceeds the standard, the tail gas is introduced into the standby absorption tank, and the VOCs in the tail gas are absorbed to reach the standard and then discharged, so that the safety of tail gas emission is further improved.

The utility model relates to a hydrogen purification system based on magnesium-based hydride, which comprises a buffer tank, a gas inlet of the buffer tank is connected with a discharge end of a hydrogen purification module through a first gas path header pipe, and a vacuum pump is mounted on the first gas path header pipe in a matched manner. An exhaust port of the buffer tank is connected with a feeding end of the hydrogen purification module through a second gas path header pipe, a metal hydrogen storage material is arranged in the hydrogen purification module, and a feeding port of the buffer tank is connected with an exhaust port of the feed gas storage device through a third gas path header pipe. By arranging the hydrogen purification module, hydrogen components in raw material gas can be absorbed based on magnesium hydride, and compared with some traditional physical and chemical purification schemes, the production cost is low; meanwhile, the number of hydrogen storage tanks in the hydrogen purification module can be reasonably set according to purification requirements, the use flexibility is good, the purity of obtained hydrogen is high, no other impurity gas is mixed in the purification process, and the working efficiency of the system is high.