9217results about "Pressure vessels" patented technology

The invention relates to a gas storage assembly applied to a carbon dioxide energy storage system and the carbon dioxide energy storage system, and relates to the technical field of carbon dioxide energy storage. The gas storage assembly comprises a gas storage, a gas distribution pipe and a connecting pipe, the carbon dioxide energy storage system further comprises an energy storage assembly, an energy storage container and an energy release assembly which are connected in sequence. The gas distribution pipe is provided with a plurality of gas ports communicated with a gas storage space of the gas storage; the first end of the connecting pipe is connected with the gas distribution pipe, and the second end of the connecting pipe is communicated with at least one of the energy storage assembly and the energy release assembly directly or through a pipeline structure; the distance between the connecting position of the air distribution pipe and the connecting pipe and one end of the air distribution pipe is 40-60% of the length of the air distribution pipe. According to the gas storage assembly provided by the invention, the balance of the gas inlet flow or the gas outlet flow in different areas of the gas storage space of the gas storage can be improved, the engineering design and debugging difficulty of the gas storage assembly is reduced, and the operation cost is reduced.

The present invention provides a clamp assembly and a pressure vessel. The clamp assembly includes a plurality of sub-clamps, each of which is used to clamp on or leave the edge of a door to fix or release the door. The clamp assembly also includes a hanging unit, at least part of the sub-clamps are main sub-clamps, and the main sub-clamps are hung on the hanging unit and can move along the hanging unit to clamp on or leave the edge of the door. It is easy to realize the opening and closing of each sub-clamp.

A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.

A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.

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 thin mutual coal seam fracturing, gasification and carbon sequestration integrated method. The method comprises the steps of geological exploration and coal seam refined evaluation; a middle horizontal well is drilled downwards from the ground; top and bottom horizontal wells are planned and drilled in the uppermost and lower sandstone stratums of the thin mutual coal seam; a plurality of top and bottom fishbone wells are drilled obliquely downwards and upwards in the top and bottom horizontal wells; oxygen-enriched water vapor is injected into the middle horizontal well through a continuous oil pipe, the oxygen-enriched water vapor is squeezed into the reservoir under the action of high pressure, and fracturing operation is conducted; initiating an underground gasification process of the coal seam, and synchronously performing extraction operation of the coal seam gas; supercritical CO2 fracturing operation is conducted on the top horizontal well and the bottom horizontal well; injecting water-based fracturing fluid into the top horizontal well and the bottom horizontal well; gasified materials generated by coal seam combustion gasification and desorbed methane gas are extracted through the middle horizontal well, and supercritical carbon dioxide injected before is sealed for a long time. According to the method, the limitation of a traditional hydraulic fracturing technology can be solved, and the transformation effect of the reservoir can be improved.

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 utility model relates to the field of solid hydrogen storage, and discloses a magnesium-based solid hydrogen storage tank, and magnesium-based solid hydrogen storage materials are stored in the hydrogen storage tank. A foam metal material with heat-conducting property is filled between the magnesium-based solid hydrogen storage materials. The utility model has the beneficial effects that the system heat exchange efficiency is improved, the hydrogen charging and discharging rate is increased, the cycle life is prolonged, and the safety problem caused by excessive extrusion on the container body due to expansion of the magnesium alloy material can be effectively prevented.

The invention relates to the technical field of monitoring and early warning, in particular to an intelligent pressure vessel pressure monitoring and early warning system which comprises an environmental influence assessment module, a pressure state analysis module, a pressure trend analysis module and a risk assessment and early warning module. According to the invention, by analyzing the correlation between the environment temperature and the service life of the pressure vessel, the early warning threshold value is automatically adjusted, the dynamic adaptability of the early warning threshold value is realized, the real condition of the pressure vessel in a specific operation environment is reflected more accurately, the accuracy and timeliness of safety early warning are improved, and the working efficiency is improved. By means of calculation of the pressure state deviation index and the deviation state grade, the safety state of the pressure container can be judged more accurately, potential risks are evaluated more pertinently, the abnormal pressure change trend can be recognized through continuous analysis of the pressure change rate, the service life condition of the pressure container is combined, and the safety of the pressure container is improved. And the overall abnormal risk is evaluated and the corresponding early warning level is formulated, so that the potential safety accident risk is reduced.

Disclosed in the present invention are an underground gas storage device for compressed air energy storage and a construction method therefor. The underground gas storage device for compressed air energy storage comprises an underground gas storage cavern, the underground gas storage cavern being formed of a plurality of underground gas storage cavern sections, wherein a connecting tunnel is provided between two non-adjacent underground gas storage cavern sections, a vertical shaft is provided at the top end of the connecting tunnel, and a sealing plug is provided in the intersection between the vertical shaft and the connecting tunnel; a gas intake pipeline and a gas output pipeline are provided in the vertical shaft, and a sump is provided on an outer bottom wall of the connecting tunnel; a first drainage ditch is provided around the top face edge of the sealing plug in the vertical shaft, and the first drainage ditch is in communication with the sump; and a drainage blind pipe assembly is provided on the periphery of the underground gas storage cavern sections, and the drainage blind pipe assembly is in communication with the sump via a second drainage ditch arranged at the outer bottom wall of the connecting tunnel. The present invention can achieve one-time excavation forming, without transformation and with relatively low construction difficulty, and can effectively reduce the influence of underground water on the underground gas storage cavern during a construction period, operation period and maintenance period.

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 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.

A method for providing a fuel includes providing biogas from a plurality of biogas sources, the biogas from each biogas source produced in a process comprising filling a vessel with raw biogas or partially purified biogas to a pressure of at least 1500 psig and transporting the filled vessel to a centralized processing facility by vehicle. A fuel is produced in a fuel production process that includes feeding the biogas transported to the centralized processing facility to a biogas upgrading system that is configured to provide a carbon dioxide removed from the biogas. The removed carbon dioxide is provided for transport by vehicle and / or pipeline and / or sequestered to offset greenhouse gas emissions attributed to compressing the biogas for transport.

The invention discloses an environment-friendly outdoor ring main unit, which belongs to the technical field of ring main units, and comprises a plurality of cabinet bodies, an environment-friendly gas cabinet, a sleeving frame and a peripheral detection plugging mechanism, wherein the peripheral detection plugging mechanism comprises a screw rod, a driving motor, a sleeving block, a sleeving rectangular plate, two plugging air bags, a connecting pipe, a circulating fan and a circulating pipe, and is also provided with a top detection plugging mechanism; and one side of the circulating pipe is also provided with a supplementing assembly. Through the peripheral detection plugging mechanism, the device has the advantages that the peripheral gas leakage part of the environment-friendly gas cabinet is automatically detected in time, long-time leakage of helium in the environment-friendly gas cabinet is avoided, waste of helium resources is greatly reduced, and the environmental protection property of the outdoor ring main unit is greatly improved, so that the problem that the gas leakage part is difficult to automatically detect in time is solved; the automatic replacement of the protective gas is realized, and the problems of resource waste caused by long-time leakage of the protective gas and poor environmental protection property of the ring main unit are avoided.

The invention belongs to the technical field of underground gas storage, and particularly relates to a long-term efficient hydrogen storage composite lining structure for an underground rock cavern and a preparation method of the long-term efficient hydrogen storage composite lining structure. The long-term efficient hydrogen storage composite lining structure for the underground rock cavern comprises surrounding rock and an internal composite structure of the surrounding rock. The surrounding rock reinforcing layer is formed by pressure pre-grouting in surrounding rock and can resist tensile stress transmitted to the surrounding rock by internal air pressure and enhance air tightness; the permeable layer is arranged on the inner side of the surrounding rock reinforcing layer and can discharge underground water to prevent hydrostatic pressure from causing extrusion deformation damage to the concrete bearing layer during construction and causing instability of the sealing steel lining; the reinforced concrete bearing layer is arranged on the inner side of the permeable layer and the outer side of the slip layer, and micro self-healing capsules capable of repairing cracks and enhancing sealing performance are evenly added in the injection molding process; the anti-drag sliding layer is arranged between the steel lining and the bearing layer and inhibits shear damage of the sealing steel lining to the bearing layer under high internal pressure; the steel lining sealing layer is arranged on the inner side of the sliding layer to bear part of gas load and seal gas.

The present invention relates to a metal hydride hydrogen storage container which is easy to disassemble and can effectively exchange heat, and relates to the technical field of hydrogen storage containers, and in particular to a metal hydride hydrogen storage container which is easy to disassemble and can effectively exchange heat. The present invention comprises: a hydrogen storage alloy tank, a sleeve, a flange and a hydrogen valve; the hydrogen storage alloy tank is installed in the sleeve, and the flange is sealed and connected by a rubber gasket and flange bolts and nuts; a hydrogen valve is installed at the center of the flange; and the interior of the hydrogen storage alloy tank is filled with hydrogen storage alloy powder. The technical solution of the present invention solves the problems in the prior art that the hydrogen storage alloy generates stress on the inner wall of the container due to lattice expansion during the hydrogen absorption process, causing the container to deform and affecting the service life of the container; the hydrogen storage alloy has poor long-term cycle stability and needs to be frequently replaced; the hydrogen storage alloy has poor thermal conductivity and the hydrogen storage device needs to transfer heat to the outside world.

The present disclosure provides active venting control systems for use with liquid hydrogen tanks. The active venting control system allows a greater mass of hydrogen to be safely stored for a greater period of time. The systems is configured to actively monitor, control, and vent hydrogen based on a combination of pressure and fill level within the tank. When the tank reaches a predetermined fill level, the active venting control system is configured to vent the tank for a predetermined period of time. The active venting control system is configured to repeat the process during a transit and storage time, allowing the tank to be filled with a higher initial fill level and hold a greater mass of hydrogen compared to passive pressure relief systems.

The invention belongs to the technical field of automatic control, and discloses an air inflation control method and device for an aerial work suit, equipment and a storage medium, when it is detected that a compressed air cylinder on the aerial work suit is started to inflate a protective air bag, air pressure sensing data and temperature sensing data in the compressed air cylinder are collected in real time; calculating a deviation value between the air pressure sensing data and the standard air pressure data and a deviation value between the temperature sensing data and the standard temperature data; when any deviation value reaches a specified threshold value, differential calculation is carried out on the deviation value to obtain an air pressure change rate signal and a temperature change rate signal, the air pressure change rate signal and the temperature change rate signal are fused to obtain a fused change rate signal, and the fused change rate signal is input into a pre-trained prediction model to obtain a target control parameter; and the inflation rate of the compressed gas cylinder is adjusted according to the target control parameters, so that the inflation rate is adjusted in real time through feedback of the pressure and temperature in the compressed gas cylinder, excessive inflation is avoided, accidents are reduced, the control accuracy is improved, and the safety performance is improved.

According to the artificial chamber type high-pressure gas storage steel-rubber composite sealing structure and the construction technology, when rubber sealing layers at the lap joint position of the internal rubber sealing layers and the two ends of the internal rubber sealing layers are vulcanized with L-shaped rubber rings, and meanwhile after the L-shaped rubber rings are vulcanized through O-shaped rubber rings and pressing rings, a rubber layer full-sealing structure is formed inside; through the unwelded steel plate coiled material and the internal full-sealed rubber structure, the steel plate has a certain expansion and contraction amount, and the rubber also has a certain elongation percentage, so that the sealing performance of the chamber is ensured, and compared with a traditional steel tank or a full-sealed steel plate structure, the steel plate coiled material has a certain deformation amount in the aspect of structure; compared with a traditional integral welding structure, the steel plate is prevented from being exploded, the gas storage capacity is greatly improved, the structure is simpler in technology, large-diameter and large-length laying can be achieved, and the technology is more reasonable.

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.

A compressed gas supply system comprises at least one tank (2) for highly compressed gas, a tank-side shut-off device (4), and a first sensor group comprising a first pressure sensor (10) and a first temperature sensor (11). The pressure sensor (10) and the temperature sensor (11) are arranged on a line (3, 8) extending from a side of the tank-side shut-off device (4) facing away from the tank (2) to a consumer-side shut-off device (7, 16).

The utility model discloses a storage tank used for storing and transporting fluid, 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, 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, and the first shielding layer and the second shielding layer are both made of metal corrugated plates. And crisscrossed corrugations are arranged on the metal corrugated plate. According to the storage tank, an invar plate is not adopted, the overall production cost is reduced, the problem that goods supply is difficult is solved, the two layers of corrugated metal plates both 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 discloses a marine low-pressure carbon dioxide tank pressure control method and system, and relates to the technical field of storage tank pressure control, and the method comprises the steps: obtaining real-time pressure data in a low-pressure carbon dioxide tank, and extracting pressure feature data; analyzing the pressure characteristic data by using a pressure diagnosis algorithm, and identifying key factors influencing the pressure stability in the low-pressure carbon dioxide tank; based on the key factors, a pressure regulation and control model is established, pressure parameters of the low-pressure carbon dioxide tank are adjusted in real time, and a control strategy is optimized. According to the method, key factors are analyzed by using a pressure diagnosis algorithm, so that accurate pressure regulation is realized, the stability of the internal pressure of the storage tank is improved by establishing an optimization model and adjusting pressure parameters in real time, the risk of carbon dioxide state change caused by pressure fluctuation is reduced, and the operation safety of a ship is ensured.

A pressure vessel is provided that has a structural shell formed by winding filaments upon a substantially cylindrical form. The structural shell has a first filament and a second filament. The first filament includes of a first material. The first filament is wound about the form in a primarily hoop direction. The second filament includes a second material. The second material is different from the first material. The second filament is wound about the form in a primarily helical direction. The first filament and second filament are interwoven in a layer upon the form.

The invention discloses a hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

The invention discloses an offshore multi-energy combined supply system based on constant-pressure compressed carbon dioxide energy storage and an operation method of the offshore multi-energy combined supply system. The system comprises a working medium storage device, a heat energy storage device, a charging process module, a gas-liquid conversion loop, a discharging process module, a cold energy supply module and a heat energy supply module. By improving the energy release process structure of the compressed carbon dioxide energy storage system, the pressure of high-pressure carbon dioxide is reduced to normal pressure after primary expansion, so that low-temperature cold energy is generated while power is generated, consumption of stored heat is saved, residual stored heat is used for heat supply, the comprehensive utilization rate of energy is increased, and combined supply of cooling, heating and power is achieved; the system further comprises an integrated thermally-driven combined cooling and power supply subsystem capable of switching power generation / refrigeration modes, organic Rankine cycle and jet refrigeration cycle are highly integrated, investment cost and space occupation are reduced, redundant heat energy is flexibly and efficiently converted into electric energy or cold energy, and the flexibility of multi-energy combined supply of the system is improved.

The invention relates to the technical field of blowing of high-pressure storage tanks, in particular to a blow-molded high-pressure inner container with a preset metal pipe opening and a production method. The high-pressure inner container comprises a blow molding inner container and a metal pipe opening installed at an opening of the blow molding inner container. The metal pipe opening comprises a fixing piece coaxially installed on the inner side of the neck portion, an outer clamping hoop installed on the outer side of the neck portion in a sleeving mode and a locking nut connected to the fixing piece through threads. The inner end of the fixing piece is provided with a disc body clamped at the opening of the blow molding inner container, and the outer end of the fixing piece extends out of the blow molding inner container and is provided with an external thread used for installing the locking nut; the lower end of the outer clamping hoop and the disc body jointly form a clamping mechanism for the blow molding inner container, and the upper end of the outer clamping hoop abuts against the lower face of the locking nut. According to the high-pressure inner container, a large fixing piece can be pre-arranged in the blow molding inner container, a metal pipe opening is firmly connected, the sealing performance is good, and the compressive strength is high; and special requirements on the strength of the shoulder part and the neck part of the blow-molded inner container are avoided, so that the material consumption of the plastic inner container is reduced, and the overall weight is reduced.

The invention belongs to the technical field of gas cylinder accessories, and particularly relates to an IV-type gas cylinder hoop and a fixing device. The device comprises a gas cylinder bandage, a radial expansion mechanism, a support, a gas cylinder support guide mechanism, a sliding base and a plurality of diameter compensation mechanisms with different thicknesses. The radial expansion mechanism is composed of a radial expansion guider I, a radial expansion compensator, a radial expansion guider II and a bandage locking nut from top to bottom, and the radial expansion compensator is a spring; a sliding groove is formed in the support. The two tail ends of the gas cylinder bandage penetrate through the corresponding sliding grooves through welded studs and are screwed to be installed on the support together with the radial expansion mechanism. The device is easy to assemble, high in efficiency, good in product interchangeability and consistency, and capable of absorbing the swelling amount of the gas cylinder in the diameter direction and the length direction due to the modular and lightweight design.

There is provided a segmented vacuum jacketed tank system. The system includes a segmented structurally integrated vacuum tank having a vacuum tank main portion between vacuum tank end portions. The vacuum tank main portion includes a vacuum tank skin having an outer surface and an inner surface, vacuum tank skin segments, and a longitudinal cross section with a profile geometry configured for buckling prevention for the vacuum tank skin under external pressure loads. The vacuum tank main portion includes multipurpose stiffener member(s) configured to carry one or more of system transport line(s), a liquid fuel, or a nitrogen gas in an interior. The system includes a pressure tank within the segmented structurally integrated vacuum tank. The pressure tank is configured to store a cryogenic fluid and includes a pressure tank main portion between pressure tank end portions. The system further includes a vacuum cavity.