10743results about "Container discharging methods" patented technology

The invention discloses an enclosure system of a low-temperature storage tank and transportation equipment, and relates to the technical field of fluid transportation, the enclosure system is installed on the inner wall of the low-temperature storage tank, the enclosure system comprises a plurality of heat insulation modules installed on the inner wall of the storage tank, the heat insulation modules are spliced and cover at least part of the inner wall of the storage tank, and the heat insulation modules are arranged on the inner wall of the storage tank; assembling grooves are formed in the splicing positions of the heat insulation modules; the bridging blocks are installed in the assembling grooves, and every two adjacent heat insulation modules can be connected together through the corresponding bridging blocks; the shielding module is connected with the heat insulation module, the shielding module comprises a first shielding layer, a second shielding layer and a third assembly plate, the first shielding layer and the second shielding layer are arranged in a spaced mode, and the third assembly plate is located between the first shielding layer and the second shielding layer. According to the invention, a better shielding effect can be realized by arranging two or more shielding layers, and the first shielding layer and the second shielding layer are arranged at intervals, so that the capacitive coupling effect between the shielding layers is reduced, and the penetrating power of electromagnetic waves is reduced.

The invention provides an anchoring structure, a film system and a liquefied gas storage tank. The anchoring structure comprises a stud, a nut and a secondary layer anchoring plate. The film system comprises a main layer film, a main plywood, a secondary layer film and a secondary plywood. The secondary layer anchoring plate is connected to the upper portion of the secondary plywood, the secondary layer thin film is connected to the upper portion of the secondary layer anchoring plate, the first pressing plate arranged on the stud is pressed on the upper portion of the secondary layer thin film, the main plywood is arranged on the upper portion of the secondary layer thin film, the second pressing plate arranged on the stud is pressed on the upper portion of the main plywood, and the main layer thin film is arranged on the upper portion of the main plywood. And the nut is pressed above the main layer film, so that the film system is connected and fixed through the anchoring structure, and the connection strength of each layer in the film system is ensured. The area of the first pressing plate is larger than that of the first through hole, the area of the second pressing plate is larger than that of the second through hole, and the contact area of the nut and the main layer film is larger than that of the third through hole, so that the leakproofness of the film system is improved, and liquefied gas in the storage tank is prevented from leaking.

The invention relates to the technical field of low-temperature storage tank installation, in particular to a low-temperature storage tank heat insulation module installation construction method which comprises the steps that expansion bolts are implanted into preset point positions of the inner wall of a low-temperature storage tank, inner wall morphology data are obtained through three-dimensional laser scanning, and a point cloud model is generated. A BIM system is used for constructing a three-dimensional model of the installation datum plane, the theoretical leveling height of each expansion bolt point position is calculated, and a leveling parameter instruction set is generated. And a servo motor of the bolt tightening equipment is driven to rotate the ball nut, so that the leveling gasket moves to the target height. And a press-fitting path is generated, a press-fitting mechanical arm is controlled to align the preformed hole of the heat insulation module to the screw part of the expansion bolt and press-fit, and the surface of the heat insulation module is fully attached to the surface of the leveling gasket. And a fastening nut is installed on the screw part of the expansion bolt, three-dimensional deviation analysis is carried out, and iterative correction is carried out. Compared with the prior art, the effects of shortening the construction period, improving the leveling precision, reducing stress concentration, ensuring long-term stability and the like are achieved.

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 discloses a tunnel type underground gas storage combined with temperature control, belongs to the technical field of compressed air energy storage, and can solve the problems that the cost of temperature control measures in an existing gas storage is high, and maintenance is difficult. The gas storage comprises a lining; the sealing structure covers the inner wall surface of the lining; the breathable heat conduction structure sleeves the inner side of the sealing structure; an annular cavity is formed between the sealing structure and the breathable heat conduction structure; the annular partition pieces are sequentially arranged in the annular cavity in the axial direction of the gas storage and used for dividing the annular cavity into a first temperature control area and other temperature control areas which are sequentially arranged, and the simulated operation temperature of each temperature control area is sequentially increased from the first temperature control area; a water storage bag is arranged in each temperature control area; and the water circulation structure is arranged on the outer side of the gas storage, communicates with each water storage bag and is used for forming a circulation water path with the water storage bags. The method is used for temperature control of the tunnel type underground gas storage.

The utility model relates to the field of physical adsorption hydrogen storage, and discloses a physical adsorption hydrogen storage tank which comprises a tank body and a tank cover, the tank body comprises a hydrogen inlet and outlet pipe, a porous heat exchange disc, a tank body, a low-temperature storage layer, a physical adsorption hydrogen storage material and a spiral heat exchange pipe. A plurality of porous heat exchange plates are arranged in the tank body, are sequentially mounted in the tank body and are connected with the low-temperature reservoir through guide pipes, the tank body is filled with a physical adsorption hydrogen storage material, a spiral heat exchange pipe is arranged in the tank body, and the spiral heat exchange pipe penetrates through the upper layer of the tank cover and penetrates out of the upper layer of the tank cover after passing through round holes of the porous heat exchange plates. And a heat insulation layer is arranged between the tank body and the low-temperature storage layer. The low temperature maintaining effect is improved, the low temperature in the tank is maintained, gas quickly enters the adsorption layer through the round holes, the gas distribution is more uniform, and when hydrogen needs to be released, a heat exchange medium is introduced into the spiral heat exchange pipe, so that the release of the hydrogen is accelerated.

The invention discloses a liquid cargo containment system and a maintenance method, and belongs to the technical field of natural gas storage, the liquid cargo containment system comprises a main shielding layer, a secondary shielding layer, an insulating layer and a detection pipeline, one end of the detection pipeline is connected with a gas input pipeline, the other end of the detection pipeline is provided with a first branch pipe and a second branch pipe, and the first branch pipe extends between the main shielding layer and the secondary shielding layer; the first branch pipe extends into the insulating layer, the second branch pipe extends into the insulating layer, a first temperature monitoring unit is arranged in the first branch pipe, a second temperature monitoring unit is arranged in the second branch pipe, and a first pressure difference detection unit is further arranged between the first branch pipe and the second branch pipe. Through dual monitoring of the peripheral temperature and pressure of the thin film tank, accurate monitoring of the liquid cargo leakage condition is ensured, and the problem that the liquid cargo leakage condition is misreported due to pressure fluctuation caused by other factors in a conventional monitoring mode is solved.

The invention relates to a mobile hydrogen refueling station comprising at least a first, second and third hydrogen gas source configured for storing gas at different pressures. Said mobile hydrogen refueling station further comprises at least two filling hoses, connectable to said first, second and third hydrogen source a via conduit system and to a receiving vessel. Said mobile hydrogen refueling station further comprises a controller configured for simultaneously controlling refueling of at least a first and a second receiving vessel by: controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a first of said at least two filling hoses to said first receiving vessel, and controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a second of said at least two filling hoses to said second receiving vessel.

The invention discloses a corrugated through type pump tower base and a mounting method thereof. The corrugated through type pump tower base comprises an upper structure and a lower structure, wherein the bottom of the upper structure is connected with the top of the lower structure; a groove is formed between the upper structure and the lower structure; the groove is formed in the circumferential direction of the bottom of the upper structure; the grooves are used for enabling shielding layer corrugations of the film storage tank to directly penetrate through, and the corrugations are located between the grooves and the top of the lower structure. The problem that the pump tower base interferes with the corrugation continuity can be solved.

The invention relates to the field of liquid air energy storage, and discloses a liquid air energy storage and liquefied natural gas coupling efficient power generation device and method. The method comprises the steps that an air liquefaction circulation loop purifies, compresses and cools ambient air and then expands and decompresses the ambient air to obtain liquid air, and the liquid air is transmitted to an air power generation circulation loop; generated air compression heat is stored in the heat storage unit; the air power generation circulation loop generates power through expansion of received liquid air, and generated cold energy is stored in a cold storage unit; the LNG vaporization supply loop pressurizes, evaporates and gasifies liquefied natural gas and then supplies the liquefied natural gas to a user side, generated cold energy is stored in a cold storage unit or directly supplied to the air liquefaction circulation loop, and meanwhile gaseous natural gas naturally released by an LNG tank is collected and conveyed to a combustion chamber. The high-grade heat energy utilization loop conducts heat conduction oil circulation, low-grade heat energy and high-grade natural gas combustion heat energy of the heat storage unit are recycled in sequence, high-grade heat energy is transmitted to the air power generation circulation loop, and heat conduction oil returns to the initial state to continue circulation after releasing the heat energy.

The storage tank comprises a wall and an internal containing space defined by the wall, the wall comprises a first layer assembly and a second layer assembly which are arranged in a stacked mode, the first layer assembly is located on the inner side of the second layer assembly, the first layer assembly comprises a first shielding layer and a first heat insulation module located on the outer side of the first shielding layer, and the second layer assembly comprises a second shielding layer and a second heat insulation module located on the outer side of the second shielding layer. The second layer assembly comprises a second shielding layer directly connected with the first heat insulation module and a second heat insulation module located on the outer side of the second shielding layer, the first shielding layer and the second shielding layer are both made of metal corrugated plates, and the metal corrugated plates are provided with crisscrossed corrugations. According to the storage tank, an invar plate is not adopted, the overall production cost is reduced, the problem of difficult supply is solved, the two layers of corrugated metal plates have good tensile strength, pressure caused by contents and airflow to the wall can be compensated, and the storage tank can keep good performance for a long time.

The invention provides a solid hydrogen storage thermal management system and method, and relates to the technical field of thermal management, and the system comprises a solid hydrogen storage module, a heating liquid storage module, a heat exchanger and a cooling module. The solid hydrogen storage module is composed of a plurality of solid hydrogen storage units connected in parallel, a first control valve and a second control valve. The heating liquid storage module comprises a liquid storage tank and a heater and is communicated with each solid hydrogen storage unit; and the cooling module comprises a water chilling unit and is used for cooling the medium flowing out of the liquid storage tank during hydrogen filling. And in the hydrogen charging and discharging operation, a control valve of the target solid hydrogen storage unit is opened, so that the target solid hydrogen storage unit, the heating liquid storage module and the heat exchanger form a communication loop. The heater heats the heat exchange medium to a first temperature range required by hydrogen desorption, and the water chilling unit cools the heat exchange medium to a second temperature range during hydrogen charging. The temperature of the solid hydrogen storage system can be effectively controlled in the hydrogen charging and discharging process.

The invention discloses an underground gas storage prestress lining structure and a construction method, and relates to the technical field of underground gas storage, the underground gas storage prestress lining structure comprises a lining layer formed by concrete pouring and internally provided with prestress steel bars; the sealing layer is arranged on the inner side of the lining layer and defines a gas storage chamber; the sliding layer is arranged between the lining layer and the sealing layer. The arrangement of the prestressed reinforcements can counteract part of internal pressure of the gas storage, so that the problem of concrete cracking is relieved. The lining layer is divided into the first lining layer and the second lining layer, the tensioning notch is reserved in the bottom of the first lining layer and provides sufficient tensioning space for the prestressed steel bars, the tensioning effect of the prestressed steel bars is ensured, the second lining layer is formed in the tensioning notch in a pouring mode after the prestressed steel bars are tensioned, and the integrity of the lining layer is ensured. After the sealing layer is constructed, grouting is conducted on the gap between the lining layer and the sliding layer, it is guaranteed that grouting is compact and complete, stress concentration is reduced, and the problem of concrete cracking is further relieved.

The invention relates to the technical field of compressed air energy storage, in particular to a nitrogen constant-pressure and constant-pressure pressurized water energy storage system and a constant-pressure method. The system comprises an energy storage module, a constant-pressure and constant-pressure module and a water replenishing and pressure relief module. The energy storage module comprises a cold water tank, a heat exchange unit and a hot water tank which are connected, and the constant-pressure and constant-pressure module comprises a first pressure measuring instrument on the hot water tank, a nitrogen compressor connected with the cold water tank and the hot water tank and a pressure reducing valve set. The water replenishing and pressure relief module comprises a normal-pressure water tank connected with the cold water tank and a water drainage loop connected with the cold water tank and the normal-pressure water tank, and the pressure measuring unit further comprises a second pressure measuring instrument on the cold water tank. By controlling the nitrogen amount in the hot water tank, the pressure in the hot water tank is kept stable, so that the pressure fluctuation of the system is reduced, the reliability of the system is improved, and the cost of the pressurized water storage tank is effectively reduced.

The invention discloses an on-line full-supercooling methane filling system and a filling method thereof, and relates to the technical field of rocket fuel filling systems, the on-line full-supercooling methane filling system comprises a first methane storage tank, a second methane storage tank, a first gas storage tank, a second gas storage tank, a second gas storage tank and a pre-cooling discharge pipeline, the first gas storage tank is connected with a rocket propellant storage tank and the pre-cooling discharge pipeline through a tube pass of a supercooler; the second methane storage tank is connected with the tube pass of the subcooler through a second pipeline; and the liquid nitrogen storage tank is provided with a third pipeline, and the third pipeline is connected with the shell pass of the subcooler. According to the on-line full-supercooling methane filling system, the technical problem that the risk of failure of a launching task is increased due to the fact that liquid level control is unstable when on-line supercooling filling is conducted on a rocket is solved, and the risk of failure of the launching task is increased when the flow in the methane filling process is adjusted. The flow of methane in the tube pass of the subcooler and the liquid level of liquid nitrogen in the shell pass of the subcooler are controlled to be unchanged, the situation of methane icing caused by unstable liquid level control is avoided, and then the risk of failure of a launching task is reduced.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

The invention relates to a hot corner protection structure, a thin film enclosure system and a thin film enclosure construction technology. Comprising an upper heat insulation module, a lower heat insulation module, an embedded part, a secondary corrugated plate and an apron board. The upper heat insulation module and the lower heat insulation module are arranged on the inner wall of the outer tank in the vertical direction, a gap is formed between the upper heat insulation module and the lower heat insulation module, and main corrugated plates cover the outer sides of the upper heat insulation module and the lower heat insulation module. The embedded part is fixed to the inner wall of the outer tank and partially located on the side, close to the upper heat insulation module, of the gap. And the secondary corrugated plate is arranged between the lower heat insulation module and the main corrugated plate. The apron board is connected between the embedded part and the secondary corrugated plate and partially arranged on the side, close to the upper heat insulation module, of the gap. The embedded part, the apron board and the secondary corrugated board are sequentially connected to separate the gap from the main corrugated board, and second longitudinal corrugations are arranged on the apron board in the extending direction. According to the hot corner protection structure, the gap position of the thin film enclosure structure can be protected, and the possibility of leakage of the storage tank is reduced.

The invention provides a hydrogen leakage traceability system based on multi-source information coupling, and relates to the technical field of hydrogen refueling station safety management. In the hydrogen leakage traceability system provided by the invention, the first detection unit is used for collecting the pressure, flow and temperature of hydrogen at the gas inlet and the gas outlet of the hydrogen-contacting equipment, and the second detection unit is used for collecting the pressure, flow and temperature of hydrogen at the gas inlet and the gas outlet of each hydrogen refueling station pipeline; the first detection unit and the second detection unit transmit collected data to the control module, the processing unit is used for comparison based on a constructed hydrogen environment mechanism model, and information, corresponding to abnormal data existing in a comparison result, of the first detection unit or the second detection unit is transmitted to a displayer of a user. Therefore, the user can conveniently check the abnormal data in the hydrogen refueling station according to the corresponding information, and the speed of judging the hydrogen leakage point in the hydrogen refueling station by the user is improved.

The embodiment of the invention discloses a hydrogen refueling station hydrogen leakage detection method and device and electronic equipment. The method comprises the steps that in response to the fact that the actual flow difference value between upstream and downstream pipelines in the hydrogen refueling station is larger than a flow difference threshold value, flow data of all the pipelines in the hydrogen refueling station after the pipelines are connected into leakage detection branches are detected; and in response to the fact that the flow data corresponding to the first pipeline meets the hydrogen leakage condition, determining a target area, in which the local amplification image corresponding to the first pipeline changes to a target color within a first preset duration, as a hydrogen leakage position. In addition, the method further comprises the step of determining the minimum pipeline path so as to isolate the pipeline section corresponding to the minimum pipeline path. According to the embodiment of the invention, even if the hydrogen leakage amount is small at the initial stage of hydrogen leakage, and no matter where the leakage position is, the leakage pipeline and the specific leakage position can be determined in time, so that the leakage pipeline can be isolated in time at the initial stage of leakage, and potential safety hazards are reduced.

The invention discloses a liquid cargo film tank leakage monitoring system and monitoring method, and belongs to the technical field of natural gas transportation and storage, the liquid cargo film tank leakage monitoring system comprises a plurality of first-level monitoring subsystems, the first-level monitoring subsystems are arranged in the circumferential direction of a film tank in a surrounding mode, and the first-level monitoring subsystems are communicated through pipelines; the protective gas input end and the gas output end are connected with each primary monitoring subsystem through pipelines; each primary monitoring subsystem comprises two gas sensing parts, the gas sensing parts are attached to the outer wall of the thin film tank, and a first pressure difference detection mechanism is arranged between the two gas sensing parts. According to the system, the primary monitoring subsystems are arranged on all the faces of the thin film tank, the pressure of all the areas of the thin film tank is monitored through the secondary monitoring subsystems, and accurate monitoring of natural gas leakage point positions is achieved; and gas input and extraction are performed on the fixed-point area of the thin film tank through the protective gas input end and the gas output end, natural gas leakage suppression at the leakage point is achieved, and the natural gas leakage problem is effectively relieved.

An apparatus includes a Dewar having an endcap. The apparatus also includes a heat sink and a multiaxial thermal shoe having a thermal interface material and configured to thermally couple the endcap of the Dewar to the heat sink via one of at least two axial surfaces. The multiaxial thermal shoe is configured to transfer thermal energy between the endcap of the Dewar and the heat sink without structurally coupling the Dewar to the heat sink. The multiaxial thermal shoe may be configured to hold the thermal interface material against the endcap. The multiaxial thermal shoe may couple to the heat sink via a first axial surface in-line with an optical centerline or a second axial surface crosswise to the optical centerline.

The invention discloses a multi-hydrogen-storage-tank solid hydrogen storage system based on temperature control, and relates to the technical field of hydrogen energy storage, and the key points of the technical scheme are that the system comprises a plurality of hydrogen storage tanks, each hydrogen storage tank adopts different types of alloy hydrogen storage materials, each hydrogen storage tank is provided with an independent temperature control system, and the temperature is adjusted according to the types of the hydrogen storage materials; therefore, the hydrogen storage efficiency is optimized. The system can accelerate the hydrogen storage rate and improve the storage density through temperature control, the heat exchange device is arranged to improve the heat energy management efficiency, and accurate temperature control and cycle counting functions are achieved. The service life of the hydrogen storage material can be effectively prolonged, performance degradation is reduced, and the long-term stability of a hydrogen storage system is improved.

The invention relates to a hot corner protection structure and a thin film enclosure system, and relates to the technical field of thin film enclosure systems. Comprising a heat insulation module, a main corrugated plate and an embedded part. The heat insulation module is arranged on the inner wall of the outer tank body and comprises an upper heat insulation module and a lower heat insulation module, and a gap is formed between the upper heat insulation module and the lower heat insulation module. The main corrugated plate is arranged on the side, away from the inner wall of the outer tank body, of the heat insulation module and covers the upper heat insulation module and the lower heat insulation module at the same time. The embedded part is fixed on the inner wall of the outer tank body. And the secondary corrugated plate is arranged between the lower heat insulation module and the main corrugated plate. The apron board is connected between the embedded part and the secondary corrugated plate and partially arranged on the side, close to the upper heat insulation module, of the gap. Wherein the embedded part, the apron board and the secondary corrugated plate are sequentially connected and define a sealing cavity, and the gap and the main corrugated plate are arranged on the inner side and the outer side of the sealing cavity respectively. The hot corner protection structure can solve the problem that in the prior art, the boundary position of a thin film enclosure system is prone to leakage.

The invention relates to a pressure detection method, system and device for a breather valve of a storage tank. The method comprises the steps that key parameters used for representing the current state in the storage tank are obtained, and the key parameters are stored in a preset data record table to obtain new historical key data records; at least part of the historical key data records are input into a preset breather valve performance evaluation relation, and the abnormal degree used for representing the breather valve performance is obtained through calculation; and judging whether the abnormal degree exceeds a preset normal range, and if yes, outputting an early warning signal. By the adoption of the method, the historical key data records stored in the preset data record sheet are substituted into the preset breather valve performance evaluation relation to calculate the parameter result, and the parameter describes the current working state of the breather valve in a numerical value mode; and the abnormal degree of the breather valve is monitored by setting a warning threshold value about the abnormal degree, so that the function of monitoring whether the breather valve works normally or not in real time is realized.

A nozzle includes a nozzle bayonet with a warm seal positioned at a distal end and a nose seal positioned at a proximal end so that a distal passage is defined between the warm and nose seals. The nozzle also includes a nozzle poppet valve. Purge and vent lines are in fluid communication with the distal passage. A receptacle includes a receptacle poppet valve, a receptacle inner tube and a receptacle outer tube with a receptacle insulation space defined therebetween. A coupling space is defined between an outer casing and the receptacle outer tube. The receptacle coupling space receives the nozzle bayonet. The receptacle sequentially engages the warm seal and the nose seal of the nozzle during insertion of the nozzle bayonet into the receptacle coupling space with the nozzle and receptacle poppets engaging to open the nozzle and receptacle poppet valves when the nozzle bayonet is fully inserted into the receptacle coupling space.

The invention discloses a liquefied natural gas (LNG) early warning system and method for dynamically monitoring an LNG ship, and the method comprises the steps: collecting the output amount, cabin pressure, environment temperature and pump operation parameters in real time, combining a multi-factor correction model to dynamically calculate the actual evaporation rate, and reversely setting an allowable evaporation rate threshold according to the maximum capability of a BOG processing system; the evaporation rate is ensured to be within a safe range through a grading alarm mechanism and safety regulation and control measures; the problem that in the prior art, static testing cannot reflect evaporation rate changes in real time is solved. Liquefied natural gas whole life cycle monitoring and performance degradation early warning of the LNG ship are achieved.

The utility model provides a vehicle-mounted liquid hydrogen storage tank and a vehicle, and relates to the field of vehicle engineering technology. The vehicle-mounted liquid hydrogen storage tank comprises: a tank body and a spiral rib installed inside the tank body, and the outer ring of the spiral rib is welded to the tank body. Compared with welding multiple baffles separately, the processing efficiency is higher, which is conducive to reducing the production cost of the liquid hydrogen storage tank. The spiral rib can separate the impact of liquid hydrogen, and can also separate the thermal stratification caused by heat leakage, shaking and flashing. The temperature difference of each divided part is small, and then the overall temperature difference is also small, which reduces the degree of thermal stratification to a certain extent, thereby achieving the technical effects of preventing liquid hydrogen from shaking and reducing the degree of thermal stratification.

The invention belongs to the technical field of hydrogen storage equipment, and relates to a solid hydrogen storage tank and a manufacturing method thereof, the solid hydrogen storage tank comprises a tank body and a core heat exchanger arranged in the tank body; the core heat exchanger is arranged in the tank body and consists of a plurality of H-shaped expanded surface finned tubes, each H-shaped expanded surface finned tube comprises a heat exchange tube and a plurality of radiating fins arranged on the heat exchange tube, gaps among the fins are used as spaces for placing hydrogen storage materials, and the fins are arranged in sequence; a plurality of screen H-shaped expansion surface finned tubes are stacked up and down and fixed by tube clamps, and a plurality of screens are connected into a whole and fixed on a bracket at the upper part of the tank body. According to the core heat exchanger, the H-shaped expanded surface finned tube is adopted as a basic unit of the core heat exchanger, and the heat and mass transfer efficiency between a hydrogen storage material and a heat exchange medium is effectively improved by increasing the number and the area of the radiating fins. And meanwhile, the sequential arrangement mode is adopted, so that the core heat exchanger is filled with the hydrogen storage material more uniformly, and the hydrogen storage density and the hydrogen charging and discharging rate are further improved.

The invention discloses a thin film enclosure system of a low-temperature storage tank and fluid transportation equipment, and relates to the technical field of fluid transportation, the enclosure system is installed on the inner wall of the low-temperature storage tank, the enclosure system comprises a plurality of heat insulation modules installed on the inner wall of the storage tank, and the heat insulation modules are spliced and cover at least part of the inner wall of the storage tank; assembling grooves are formed in the splicing positions of the heat insulation modules; the bridging blocks are installed in the assembling grooves, the bridging blocks can connect the two adjacent heat insulation modules together, and the bridging blocks are fixedly connected with the heat insulation modules through first assembling studs; wherein an expansion stud is arranged on the inner wall of the storage tank, the expansion stud penetrates through part of the heat insulation module and is locked with the heat insulation module through a nut, and the projection position of the arrangement position of the first assembly stud and the projection position of the arrangement position of the expansion stud on the heat insulation module are mutually staggered. According to the heat insulation module, the thickness limitation of an existing heat insulation module of a bridging block can be broken through, and the problem of cold leakage of a gap between every two adjacent heat insulation modules can be solved through arrangement of the bridging block.

A tank system includes a vacuum tank and a pressure tank. The vacuum tank has a vacuum tank main portion extending between vacuum tank end portions. The pressure tank is mounted within the vacuum tank, and has a pressure tank main portion extending between pressure tank end portions. The tank system includes a deflection control system comprising at least one elongate support member extending from a vacuum tank first side of the vacuum tank main portion, and passing through an opening in a pressure tank first side of the pressure tank main portion, and coupled to a pressure tank second side opposite the pressure tank first side. The elongate support member is configured to support the pressure tank main portion and reduce deflections of the pressure tank main portion relative to the vacuum tank main portion when the tank system is subjected to a load.