4597 results about "Buffer tank" patented technology

The invention discloses an LNG storage tank BOG liquefaction recovery system and a control method thereof.The system comprises an LNG storage tank, an LNG buffer tank, an LNG pump and a refrigerating machine, the LNG pump is installed in the LNG buffer tank, when BOG in the LNG storage tank needs to be recovered, BOG conveyed by the LNG storage tank is cooled and liquefied through the refrigerating machine and then returns to the LNG storage tank, recovery of BOG gas in the LNG storage tank is achieved, and in the BOG recovery process, the BOG is recovered through the refrigerating machine. And when the supercooling degree of the LNG storage tank needs to be maintained, the LNG conveyed by the LNG storage tank is cooled through the refrigerating machine, the cooled LNG returns into the LNG storage tank, and after the cooled LNG is mixed with the LNG in the LNG storage tank, the temperature of the LNG in the LNG storage tank is reduced, so that the supercooling degree of the LNG storage tank is maintained. The whole system is simple in structure, BOG in the LNG storage tank can be liquefied and recycled, and the supercooling degree of the LNG storage tank can be maintained.

The invention provides a comprehensive heat management system, and relates to the technical field of hydrogen energy vehicles, the comprehensive heat management system comprises a fuel cell stack, a buffer tank, a low-temperature solid hydrogen storage device, a high-temperature solid hydrogen storage device, a heat exchange unit and a multi-stage heat pump unit, the low-temperature solid hydrogen storage device is communicated with the fuel cell stack through the buffer tank, and the high-temperature solid hydrogen storage device is communicated with the multi-stage heat pump unit; an exhaust pipe is arranged between the low-temperature solid hydrogen storage device and the buffer tank; a heat exchange unit for thermally connecting the low-temperature solid hydrogen storage device and the fuel cell stack is arranged between the low-temperature solid hydrogen storage device and the fuel cell stack; the high-temperature solid hydrogen storage device is communicated with the buffer tank through the multi-stage heat pump unit, the multi-stage heat pump unit is communicated with the fuel cell stack, and the multi-stage heat pump unit is used for at least absorbing heat of high-temperature hydrogen generated after dehydrogenation of the high-temperature solid hydrogen storage device and waste heat generated by the fuel cell stack and providing the heat to the high-temperature solid hydrogen storage device. The hydrogen storage system has the advantages of low energy consumption, low hydrogen storage pressure, small volume, high cold start speed, high response speed, high hydrogen storage capacity, high safety, high stability, high endurance mileage and the like.

The invention provides a system and a method for realizing pneumatic powder conveying by utilizing gas circulation, a gas supplementing inlet is communicated with a recovery dust remover and a recovery buffer tank, the recovery dust remover is communicated with the recovery buffer tank, and the recovery buffer tank is communicated with gas inlets of a plurality of compressors; a gas outlet of the compressor is communicated with a plurality of finished product bins connected in parallel through a gas buffer tank, the finished product bins are communicated with a target bin, and the target bin is communicated with a recovery dust remover through an emptying filter to form circulation. Under the condition that powder exists in a finished product bin or a target bin is not full, stable operation can be continuously carried out, nitrogen is recycled in the conveying process, the nitrogen utilization rate is increased, the emptying amount is reduced, and the waste gas treatment amount is reduced.

The invention discloses an approximate constant pressure type pressurized hot water heat storage system, and relates to the technical field of heat storage systems of compressed air energy storage power stations. The system comprises an under-pressure hot water heat storage system, and the under-pressure hot water heat storage system comprises a high-temperature water tank and a low-temperature water tank; the high-temperature water tank and the low-temperature water tank are filled with pressure-stabilizing gas and are connected through a communicating pipe; the pressure stabilizing system B comprises a buffer tank, a high-pressure gas storage tank and a pressure stabilizing gas pressurization system; the buffer tank is connected with the communicating pipe, and the high-pressure gas storage tank is connected with the communicating pipe. Compared with a high-pressure and high-temperature hot water heat storage system in the prior art, the air side pressure fluctuation range of the high-temperature water tank and the low-temperature water tank can be effectively reduced, stress fatigue of the high-temperature water tank and the low-temperature water tank is effectively relieved, the service life of the high-temperature water tank and the low-temperature water tank is prolonged, safety is improved, design difficulty and adopted measures are reduced, and the manufacturing cost of the storage tank is reduced. The invention further relates to an operation method of the approximate constant pressure type pressurized hot water heat storage system.

Provided is an automotive surge tank. The surge tank comprises a tank body defining an interior volume, the tank body including a first tank portion and a second tank portion, the surge tank also having a coolant inlet and a coolant outlet provided on the tank body. The interior volume of the tank body is subdivided into an inlet chamber, and outlet chamber, and at least one intermediate chamber, the surge tank being configured to direct an inflow of coolant into the inlet chamber at a level that is below the minimum operable fluid level of the surge tank.

An immersion cooling system includes a work tank, a buffer tank, and a communication control assembly. The work tank has a work-tank gas-phase region and a work-tank liquid-phase region. The buffer tank has a buffer-tank gas-phase region and a buffer-tank liquid-phase region. The communication control assembly includes a first pipeline, a first pump, a second pipeline, and a second valve. In response to that the first pump is actuated, through the first pipeline, a fluid of the work-tank liquid-phase region is transported to the buffer-tank liquid-phase region, or a fluid of the buffer-tank liquid-phase region is transported to the work-tank liquid-phase region. In response to that the second valve is actuated, through the second pipeline, the work-tank gas-phase region is selectively in communication with the buffer-tank gas-phase region.

The invention relates to the technical field of performance detection, and discloses a compression resistance detection device for special equipment, which comprises a bottom plate, two mounting plates are mounted at the top of the bottom plate, one of the mounting plates can be adjusted in a sliding manner, a clamping part is mounted between the two mounting plates, the clamping part can fix a test tank, and the clamping part can clamp the test tank. A rotating shell is jointly installed on the outer walls of the two installation plates in a sliding mode, and a vertically-downward straight groove is formed in the inner bottom of the rotating shell. Rotation of the testing tank and sliding of the rotating shell are adjusted through the rotating assembly, the hammering direction of the testing tank is made to rotate with f as the circle center, the driving assembly drives the hammering head to hammer the point d, the hammering head conducts strength detection on the testing tank with the same force and different angles, and then the position of the point d is detected through the detection assembly. By observing whether the buffer tank is deformed or not, external forces and impacts which may be suffered from different directions and angles in actual working conditions can be simulated more truly, so that the endurance capacity of the buffer tank is evaluated.

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 invention relates to the technical field of heat exchange performance testing, and discloses a performance testing system and method for a double-phase-change heat exchanger, the performance testing system comprises a condensation evaporator, a first working medium condenser and a second working medium evaporator, and the first working medium condenser and the second working medium evaporator are respectively communicated with the condensation evaporator; the first working medium condenser is located above the condensation evaporator, a first working medium buffer tank is arranged between the first working medium condenser and the condensation evaporator, the condensation evaporator is located above the second working medium evaporator, and a second working medium buffer tank is arranged between the condensation evaporator and the second working medium evaporator. The first working medium condenser is connected with a first medium adjusting and supplying component, and the second working medium evaporator is connected with a second medium adjusting and supplying component. The temperature of media in the cold storage tank and the hot storage tank is controlled, the temperature of the first working medium and the temperature of the second working medium are more stable, the heat exchange performance of the condensation evaporator in the actual working condition is accurately tested, and therefore the accuracy of the test result of the condensation evaporator is guaranteed.

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.

A system for conditioning fuel configured to supply a main turbomachine, based on fuel from a cryogenic tank, comprising a pump configured to operate at a predetermined constant speed, at least one heat exchanger, a supply member for supplying the main turbomachine with a fuel flow, the supply member being configured to deliver a nominal flow rate when the pump is operating at a predetermined constant speed, at least one buffer tank, a first valve for controlling the supply of fuel to the buffer tank, a second valve for controlling the distribution of the fuel flew flow and a regulating device that is configured to open the second valve when the setpoint flow rate is higher than the nominal flow rate.

The utility model discloses an explosion-proof valve and a battery, the explosion-proof valve comprises a body, the body is provided with a nick and a buffer groove, and the nick and the buffer groove are both runway-shaped; the nick comprises a deep groove section and a shallow groove section, the depth of the shallow groove section is D, the distance between the bottom wall of the shallow groove section and the bottom wall of the body is T1, and the distance between the bottom wall of the deep groove section and the bottom wall of the body is T2; the distance between the bottom wall of the buffer groove and the bottom wall of the body is T3; wherein D is greater than 0, T3 is greater than T2, and T1 is greater than T2. According to the anti-explosion valve disclosed by the utility model, the buffer groove is arranged, so that the stress borne by the nick can be greatly reduced under the working conditions of battery cell production, pack assembly and whole vehicle vibration, and the fatigue cracking failure caused by overlarge stress borne by the nick is prevented; the nick is in a runway shape and comprises the deep groove section and the shallow groove section, and the depth of the shallow groove section is not zero, so that the set opening pressure of the anti-explosion valve can be effectively reduced while the manufacturing cost is reduced.

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.

The invention discloses a multiphase erosion corrosion coupling damaged pipeline simulation experiment test system and method. Comprising a screw pump, a pressure measurement module, a high-pressure rubber expansion joint, a gas release module, a check valve, a special feeding module, a temperature control measurement module, a wall shear force measurement bin, a fluid acceleration module, a buffer tank, a pipeline pressurization module, a temperature sensor, an electric control cabinet and a copper pipe coil cooler which are arranged on a circulating pipeline. The problem that the gas-liquid / gas-liquid-solid multi-phase erosion and corrosion coupling damage rule and the predicted damage rate are difficult to test in a high-sulfur, high-chlorine and high-acid severe environment in a petrochemical chemical production device is solved, and the damage rate of the petrochemical chemical production device is predicted by designing a special feeding structure, a pressurizing structure, an accelerating structure, a constant temperature structure, an anti-corrosion structure, an anti-abrasion structure, an anti-vibration structure and other structures and a temperature, flow, concentration and pressure precise regulation and control system. Long-time stable operation and accurate measurement of multi-phase scouring and corrosion coupling damage are realized, and safety evaluation and risk prevention and control of complex flow-induced damage of a petrochemical chemical production device are effectively supported.

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.

A distributed hydrogenation device relates to the field of hydrogen energy application and comprises a water heater, a water cooler, a solid hydrogen storage system, a hydrogen booster pump, a cooler and a hydrogenation gun, the solid hydrogen storage system comprises a heat exchanger, a combined placement rack and a plurality of solid hydrogen storage modules, the water heater and the water cooler are connected with the heat exchanger, and the hydrogen booster pump is connected with the combined placement rack. A plurality of solid hydrogen storage modules are placed on the combined placing frame, metal hydrogen storage alloy is arranged in each solid hydrogen storage module and used for storing hydrogen, the solid hydrogen storage system is sequentially connected with the hydrogen booster pump, the cooler and the hydrogenation gun, and a buffer tank is arranged between the hydrogen booster pump and the hydrogenation gun. The temperature of the heat exchanger is regulated and controlled, so that the solid hydrogen storage system supplies hydrogen to the hydrogen booster pump at the required pressure, the hydrogen booster pump supplies hydrogen to the terminal vehicle-mounted hydrogen storage device through the hydrogenation gun after boosting to the required pressure, and the external hydrogen supply equipment supplements hydrogen to the solid hydrogen storage system regularly for the next cycle.

The mobile hydrogen energy power generation system comprises a hydrogen engine, the output end of the hydrogen engine is connected with the input end of a power generator, and the power generator is electrically connected with a battery pack; a hydrogen inlet of the hydrogen engine is connected with a hydrogen outlet of the buffer tank through a first hydrogen supply pipe set, a hydrogen inlet of the buffer tank is connected with a hydrogen source through a second hydrogen supply pipe set, a third hydrogen supply pipe set is installed on the second hydrogen supply pipe set in a matched mode, and the end of the third hydrogen supply pipe set is connected with a gas port of the solid hydrogen storage module. The solid hydrogen storage module is filled with solid hydrogen storage materials, a fourth hydrogen supply pipe set is installed on the third hydrogen supply pipe set in a matched mode, and the end of the fourth hydrogen supply pipe set is connected with the other hydrogen inlet of the buffer tank. By arranging the solid hydrogen storage module, hydrogen can be stably supplied to the hydrogen engine, so that the generator can stably output electric energy, and the system is suitable for equipment or systems with high requirements for electric energy quality, good in safety and stability, low in overall energy consumption and low in power generation cost.

The invention relates to a vacuum test device and method for leakproofness detection of a patrol bomb launch canister. The leakproofness qualification of the launch canister is judged by putting the launch canister into a vacuum test cavity, vacuumizing and observing the pressure drop of a vacuum gauge. The device is formed by sequentially connecting an exhaust valve, a vacuum test cavity (including a vacuum meter), a control valve, a pneumatic pipeline, a pneumatic flow regulating valve, a switching valve, a vacuum buffer tank (including a stop valve) and a vacuum pump according to the air exhaust direction. During vacuumizing, the vacuum pump is started to vacuumize the vacuum buffer tank, after a certain vacuum degree is achieved, the buffer tank serves as a vacuum generator to vacuumize the vacuum test cavity, the air exhaust rate is adjusted and set through the pneumatic flow adjusting valve, and opening and closing control over an air channel is achieved through the control valve. The vacuum buffer tank serves as a vacuum generator, frequent starting and stopping of a vacuum pump are avoided, and the service life of equipment is prolonged; the test requirements of multiple products can be met through one-time evacuation, and the test efficiency is improved; the air exhaust rate is stable and adjustable, and the consistency of product test states is ensured.

The invention relates to the technical field of energy power, in particular to a solid hydrogen pool system and a hydrogen release control method. The system comprises a hydrogen storage module, a water supply module, a hydrogen conveying module and a temperature control module. The hydrogen storage module comprises a reaction tank and a plurality of solid hydrogen storage fuel units, the water supply module comprises a water storage tank and a water sprayer, the water sprayer is used for quantitatively spraying reaction water, the hydrogen conveying module comprises a buffer tank and is used for quantitatively storing released hydrogen, and the temperature control module comprises a cooling unit and a heating unit. The cooling unit is used for cooling a medium and circulating the medium into the reaction tank for heat exchange, and the heating unit is used for circulating a heat exchange medium to the water supply module. The reaction rate can be dynamically adjusted according to the requirements of the rear-end fuel cell system, and the hydrolysis reaction can be continuously carried out under the low-temperature condition, so that the requirements of the rear-end fuel cell system are reasonably controlled and matched.

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.

According to the liquid hydrogen refueling station cold energy recovery system and the control method, the cold energy recovery system comprises a liquid hydrogen pump and a gas hydrogen buffer tank, a cold energy recovery device is arranged between the liquid hydrogen pump and the gas hydrogen buffer tank, and the cold energy recovery device comprises at least one stage of thermoacoustic engine and at least one stage of pulse tube refrigerator; the thermoacoustic engine can recover cold energy released when liquid hydrogen flows through the thermoacoustic engine and drive the pulse tube refrigerator to conduct refrigeration. According to the cold energy recovery system, the low-temperature fluid flows through the cold energy recovery device to absorb heat and then enters the gas hydrogen buffer tank to be stored, the thermo-acoustic engine in the cold energy recovery device is driven by the cold capacity of the low-temperature fluid, meanwhile, the thermo-acoustic engine converts the cold capacity into acoustic power and then transmits the acoustic power to the pulse tube refrigerator for refrigeration, the conversion efficiency is high, and the energy consumption is low. Efficient recovery of cold energy is achieved, and cold energy lost in the temperature rising process of low-temperature fluid can be effectively recovered.

The invention relates to the technical field of hydrogen embrittlement resistance sensitivity testing devices, in particular to a hydrogen embrittlement resistance sensitivity testing device based on a gas inhibitor, which comprises a gas configuration mechanism, the gas outlet end of the gas configuration mechanism is connected with the first gas inlet end of a buffer tank through a first pipeline; the gas outlet end of the buffer tank is connected with the gas inlet end of the reaction kettle through a second pipeline; the gas outlet end of the reaction kettle is connected with the waste gas recycling mechanism through a third pipeline; the gas configuration mechanism comprises a workbench, multiple rows of first gas conveying pipes are arranged on the upper portion of the workbench, the head ends of the multiple rows of first gas conveying pipes are connected with a plurality of gas storage bottles respectively, and the tail ends of the multiple rows of first gas conveying pipes are connected with a first pipeline. According to the invention, by changing the composition and proportion of the inhibition gas and changing the pressure and temperature in the reaction kettle, the visual test research on the hydrogen embrittlement resistance sensitivity of samples with different shapes and sizes in different inhibition gas environments can be realized.

According to the water treatment sludge filler crushing equipment, a rotating rod, scattering blades and an intermittent feeding mechanism are arranged in a crushing barrel, a through hole is formed in the outer wall of the crushing barrel, the outer side of the crushing barrel is sleeved with a collecting barrel, and a sweeping mechanism and a second transmission assembly are arranged between the collecting barrel and the crushing barrel; a first transmission assembly, an intermittent forward rotation device and an intermittent reverse rotation device are arranged at the bottom of the collecting barrel, a fixing ring is fixedly connected to the bottom end of the collecting barrel, an annular tooth-missing ring is fixedly connected to the inner side of the fixing ring, and only one of a first tooth-missing gear and a second tooth-missing gear is meshed with the annular tooth-missing ring at the same time. One side of the first missing gear and one side of the second missing gear are each provided with an elastic buffer block, a buffer groove is formed in one side face of each elastic buffer block, the annular missing gear ring is provided with an elastic insertion block, and the elastic insertion blocks can be inserted into the buffer grooves; and the intermittent feeding mechanism can intermittently discharge sludge to the crushing barrel to be scattered by the scattering blades, and the scattered sludge penetrates through the through holes to be collected by the collecting barrel for subsequent treatment.

The invention belongs to the technical field of nitrogen preparation, and particularly relates to a purified nitrogen preheating limit recovery system and method based on PSA separation nitrogen preparation. Comprising a nitrogen buffer tank, a gas inlet of the nitrogen buffer tank is communicated with a PSA separation nitrogen-making mechanism, a gas outlet of the nitrogen buffer tank is communicated with a dust filter, the dust filter is communicated with a reaction purification mechanism through a direct connection pipeline, the reaction purification mechanism is communicated with a drying mechanism, and the drying mechanism is communicated with the lower end of the nitrogen tank. The upper end of the nitrogen tank is communicated with the precision filter. According to the invention, nitrogen is preheated by heat generated after catalytic reaction in the reactor, energy consumption is saved, the outlet temperature of finished product nitrogen after efficient heat exchange basically reaches room temperature, cooling by cooling water is not needed, and the use amount of cooling water and the equipment cost are saved.

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.