646results about "For bulk goods" patented technology

The invention belongs to the technical field of ship liquid cargo tanks, and discloses a liquid cargo tank heat insulation system and an installation method thereof. The liquid cargo tank heat insulation system comprises a filling mechanism, a fastening mechanism and a plurality of heat insulation blocks, the multiple heat insulation blocks are sequentially laid on a liquid cargo tank shell, each heat insulation block is in an I shape, a splicing gap between any two adjacent heat insulation blocks is in a shape like a Chinese character'zhong ', the splicing gaps are filled with the filling mechanism, and the fastening mechanism is arranged between the filling mechanism and the heat insulation blocks. A fastening mechanism penetrates through each heat insulation block, the bottoms of the fastening mechanisms are fixedly connected with the liquid cargo tank shell, the tops of the fastening mechanisms extend out of the heat insulation blocks, and the fastening mechanisms are configured to fasten the corresponding heat insulation blocks to the liquid cargo tank shell. According to the liquid cargo tank heat insulation system, the connecting stability of the heat insulation blocks on the liquid cargo tank shell is guaranteed, the heat insulation blocks are prevented from falling off from the liquid cargo tank shell, the filling stability of the filling mechanisms in the splicing gaps is also guaranteed, the filling mechanisms are prevented from falling off, the cost is low, and construction installation and repairing operation are convenient.

The invention discloses a method for preserving heat of a urea NaOH and Mg (OH) 2 storage cabin, and aims at a ship which is provided with an SCR (Selective Catalytic Reduction) system, an EGR (Exhaust Gas Recirculation) system, an iCER (Initial Continuous Emission Reduction) system and a desulfurization system and needs to store urea, NaOH or Mg (OH) 2. Condensed water of the air conditioning unit is collected and then introduced into the storage cabin in a gravity mode, and the condensed water generation amount and the condensed water temperature of the air conditioning unit are analyzed and calculated. On the premise that the cabin capacity meets the condition, condensate water is used for cooling the urea cabin and then discharged into the clean cabin bottom water cabin, and the cooling capacity of the condensate water is utilized to the maximum extent. In winter or in a cold area, when the air conditioning unit does not need to operate, in order to avoid too low temperature of the solution cabin, the storage cabin can be heated by using the discharged water in the clean cabin bottom water cabin before discharging, so that the storage temperature of the urea, NaOH or Mg (OH) 2 solution is ensured to be 10-35 DEG C.

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

A thermal management system for a marine vessel includes a closed loop circuit in which heat transfer fluid circulates, a first refrigeration component cooled or heated by the heat transfer fluid and configured to cool or heat air within a compartment on the marine vessel, and an open loop circuit. A pump is configured to pump water from a body of water in which the marine vessel is operating, through the open loop circuit, and back to the body of water. A second refrigeration component is configured to exchange heat between the closed loop circuit and the open loop circuit, and a water heater is configured to receive heat from the closed loop circuit to thereby heat potable water in the water heater.

The utility model discloses a liquid tank multidirectional enclosure damping system for an LNG (liquefied natural gas) ship, which belongs to the technical field of enclosure damping systems for LNG ships and comprises mounting racks, an inner tank and baffles which are distributed front and back, the baffles are detachably connected to two ends of the mounting racks, mounting plates are symmetrically mounted between the mounting racks, lifting plates are symmetrically mounted on the inner sides of two ends of the mounting racks, and the lifting plates are detachably connected with the inner tank. Shock absorbers are fixedly installed on the two sides of one end of each lifting plate, one ends of the shock absorbers are fixedly connected with the installation frame, the inner tank is installed between the lifting plates, and shock absorption and buffering assemblies are installed at the inner ends of the installation plates. The first buffer springs and the second buffer springs conduct transverse damping, the situation that impact force generated by shaking causes certain damage to the enclosure system and further shaking of liquid goods in the inner cabin tank is avoided, and when the impact force is large, the inflatable air bag can prevent the inner cabin tank from further moving.

The present invention relates to a system and method for regasification of liquefied gas for vessels, which generates power by recovering cold heat discarded in regasification of liquefied gas to improve energy efficiency. The liquefied-gas regasification system for vessels includes: a vaporizer gasifying liquefied gas into a regasified gas through heat exchange with a first heating medium; a trim heater heating the regasified gas to a temperature required for a gas consumer through heat exchange with a second heating medium when the regasified gas is delivered from the vaporizer to the gas consumer; a first cycle in which the first heating medium is circulated; and a second cycle in which the second heating medium is circulated, wherein the first cycle includes a first heat exchanger gasifying the first heating medium to be supplied to the vaporizer through heat exchange with a heat source; and an expander-generator generating power through expansion of the first heating medium gasified by the first heat exchanger, and the second cycle includes a second heat exchanger heating the second heating medium to be supplied to the trim heater through heat exchange with a heat source.

Carbon dioxide re-liquefaction may be provided by a system capable of receiving a vented boiled off gas stream from a storage vessel at a first compressor; compressing the vented BOG stream at the first compressor into a first compressed BOG stream at a first pressure and a second compressed BOG stream at a second pressure, greater than the first pressure; cooling the first compressed BOG stream in a heat exchanger to produce a liquid stream by: cooling, via a refrigerant unit, the second compressed BOG stream to produce a first cold stream, of a temperature less than that of the first compressed BOG stream; exchanging heat from the first compressed BOG stream against tire first cold stream; and returning the liquid stream to the storage vessel.

The present invention provides a block-deploying vessel and a block-deploying method that can reduce the load on the movable hook device and lighten the labor involved in securing one end of the wire rope to the movable hook device. [Solution] A movable hook device 8 is installed on the upper end surface 5b of the side wall 5 erected on the outer side in the width direction of the bottom surface 4A, 4B that constitute the cargo hold 3 of the block loading vessel 1. A return portion 10 is installed at a predetermined position on the upper end surface 5b spaced apart from the movable hook device 8 in the length direction of the vessel, and a guide portion 11 is installed on the inner wall surface 5a of the side wall 5. In the operation of securing multiple blocks B to the cargo hold 3, a wire rope 7 extending in the length direction from one end 7a that is locked to the movable hook device 8 is wrapped around the return portion 10 and the guide portion 11, and the other end of the wire rope 7 wrapped around the outer circumference of the multiple blocks B is connected to a fixing portion 9 installed on the inner wall surface 5a.

The device for reintroducing steam into a volatile liquid comprises a tank (10) for the volatile liquid, a circulation pump (14) and connecting conduits (13, 113, 213) for pumping liquid from said tank (10) through a mixing zone or mixing device (12, 112, 212) for mixing the steam with the liquid, and a conduit (15, 115, 215) for conveying steam from the space above the level of the liquid to said mixing zone or mixing device (12, 112, 212), the mixing zone or mixing device (12, 112, 212) being arranged to ensure a pressure independent of the level of the liquid in the tank (10).

The present invention relates to a boil-off gas reliquefaction system for a ship. The boil-off gas reliquefaction system for a ship according to the present invention, whereby boil-off gas generated from a liquefied natural gas (LNG) storage tank for a ship is reliquefied, comprises: a first heat exchanger for recovering cold heat from a first boil-off gas generated in the storage tank; a multi-stage compressor for compressing the boil-off gas that has passed through the heat exchanger; a high-pressure gas line for supplying high-pressure gas that is supplied from the multi-stage compressor; a low-pressure gas line for supplying the boil-off gas, which is supplied from the multi-stage compressor, as a low-pressure gas by using a decompression valve; a second heat exchanger in which heat exchange occurs between the high-pressure gas line and the low-pressure gas line downstream of the decompression valve; and a third heat exchanger by which the boil-off gas that has passed through the second heat exchanger is cooled by means of heat medium oil of a cryogenic chiller.

This invention relates to liquefied gas storage tanks and ships including them. The liquefied gas storage tank of this invention can be constructed from a primary protective wall, a primary insulation wall, a secondary protective wall, and a secondary insulation wall to store cryogenic substances. The primary insulation wall may include: a connecting insulation wall, which is disposed in the space between adjacent fixed insulation walls when unit elements consisting of the secondary insulation wall, the secondary protective wall, and a fixed insulation wall that is part of the primary insulation wall are stacked adjacently. The liquefied gas storage tank may include: a first slit formed between the fixed insulation wall and the connecting insulation wall when the connecting insulation wall is inserted between adjacent fixed insulation walls; a second slit formed along the length and width directions of the fixed insulation wall; and a first filling insulation element filling the first slit.

A ship has a hull, at least one double-shell tank mounted on the hull, having an inner tank storing liquefied gas and an outer tank covering the inner tank, at least one first discharge tower extending upward from the hull, at least one second discharge tower extending upward from the hull independently of the first discharge tower, a first discharge line connecting an upper portion in the inner tank and a tower interior of the first discharge tower, a second discharge line connecting the inner tank and an inter-tank region of the outer tank and a tower interior of the second discharge tower, and a pressure release device provided in the second discharge line, which is closed normally and opened when a pressure of the inter-tank region exceeds a prescribed inter-tank allowable value.

The present invention relates to a method for manufacturing a non-adhesive insulation system for a liquefied gas storage tank, the method comprising the steps of: installing first separation members to fit same onto studs disposed on an outer wall of a liquefied gas storage tank; installing second separation members in spaces between the studs; installing a sheet layer on the first separation members and the second separation members such that the sheet layer surrounds the outer wall to form a leakage path in the gap between the outer wall and the sheet layer; forming an insulation unit on the sheet layer; injecting gas into the leakage path; and checking, to detect a defect, whether the pressure in the leakage path is maintained at a reference pressure or higher. The step of forming an insulation unit includes the steps of: forming some insulation layers among a plurality of insulation layers; fastening fixing units to the studs; and forming the remaining insulation layers on the some insulation layers.

The present invention relates to a storage and recovery system (100) for bulk material (102). The system (100) includes a bulk material holding space (104) having a bottom (108) with a discharge port (106). The bottom (108) includes an inclined support plate (112) for supporting the bulk material (102) and for assisting gravity-induced feeding of the bulk material (102) toward the discharge port (106). The support plate (112) is supported by a support structure (114) in a free-floating manner. One or more vibrators (116) are connected to the support plate (112) and configured to transmit vibrational energy to the support plate (112) to induce vibrational motion of the support plate (112). An intermediate layer (122) having vibration-insulating properties is disposed between the support structure (114) and the support plate (112). The support structure (114) is damped to the main structure (150) by at least one structural vibration damper (126). An abutment vibration damper (130) is disposed between the support plate (112) and the support structure (114) and configured to prevent downward translation of the support plate (112) toward the discharge port (106). A vessel (200), onshore storage (300), and hopper (400) including the system (100) are also provided. Use of the system (100) for handling bulk material (102) is also provided.

This liquefied gas tank comprises: an inner tank which houses liquefied gas; an outer tank which surrounds the inner tank; and a tubular pipe tower which includes a barrel portion having the lower end thereof bonded to the bottom wall inside the inner tank, a head portion located above the outer tank, and a connecting portion penetrating through the inner tank and the outer tank and connecting the barrel portion and the head portion in the vertical direction, the pipe tower extending from the bottom wall of the inner tank in the vertical direction. The connecting portion of the pipe tower includes: a tube body that has an inner tank–bonding portion to which the top of the inner tank is bonded and an outer tank–bonding portion to which the top of the outer tank is bonded, and that extends in the vertical direction; and a first deformation-permitting portion that connects the tube body and the upper end of the barrel portion, and that elastically deforms to permit displacement of the barrel portion with respect to the tube body.

The present invention relates to a cargo tank of a ship for transporting various liquid cargoes, and a structure thereof. The cargo tank (100) of the present invention has four wall surfaces (101) and upper and lower wall surfaces (102), which are made of synthetic resin rather than of metal, and the synthetic resin cargo tank (100) is disposed to be spaced a predetermined distance from the inner surface inside a hull (300) of a ship. A plurality of load dispersing and transferring means (1) for dispersing and transferring the load generated when the hull (300) or the like is deformed are interposed between the cargo tank (100) and the hull (300). The load dispersing and transferring means (1) includes: an inner plate (2) in contact with the cargo tank (100); an outer plate (3) in contact with the hull (300); and a spherical slide ball (4) interposed between the plates so as to be slidable. According to the present invention, the load generated in the cargo tank (100) and the hull (300) is more smoothly dispersed and transferred such that durability of the ship and the cargo tank (100) can be improved.

The invention relates to a liquefied gas storage installation (1), said tank (71) comprising a top wall (4) which is locally interrupted to delimit a loading / unloading opening (7), wherein a secondary insulating block (14) comprises a terminal secondary insulating block (34) adjacent to said loading / unloading opening (7), wherein said storage installation comprises at least two fixed supports (26) fixed to said upper support wall (8) and located on either side of said terminal insulating block (34), said secondary thermal barrier comprising a secondary stop plate arranged on said terminal secondary insulating block (34), wherein said secondary stop plate and said secondary cap (29) form a flat support surface for said secondary sealing membrane (11), and wherein said secondary sealing membrane (11) is fixed to said secondary cap (29) of said two fixed supports (26) on the one hand and to said secondary stop plate on the other hand.

The utility model provides a boil-off gas utilization device system for a liquid hydrogen transport ship and an arrangement structure of the boil-off gas utilization device system. The boil-off gas utilization device system for the liquid hydrogen transport ship comprises a liquid hydrogen storage device, a methanol preparation device and a methanol storage device which are connected in sequence, the vapor utilization device system for the liquid hydrogen transport ship further comprises a decarburization device, a methanol dual-fuel boiler and a methanol dual-fuel power generation device, wherein the methanol dual-fuel boiler and the methanol dual-fuel power generation device are arranged in parallel. The boil-off gas utilization device for the liquid hydrogen transport ship is good in system economy, high in safety, green, low in carbon and suitable for large-scale application and popularization.

The application relates to the technical field of independent liquid tank limiting, and a space limiting device of an independent liquid tank, which comprises a ship body, a supporting bottom plate arranged in the ship body, a supporting mechanism arranged in the ship body, and a thrusting mechanism arranged at the bottom of the ship body. The space limiting device of the independent liquid tank is characterized in that the C-shaped liquid tank is arranged in the ship body through a supporting seat and a supporting bottom plate, the isolation sleeper arranged at the bottom of the supporting bottom plate is inserted into the epoxy resin, the base main plate and the base main web fixed at the bottom of the epoxy resin are connected with the base elbow plate, notched baffle plates and thrusting horizontal plates are arranged on the two sides of the epoxy resin, and the two ends of the thrusting horizontal plates and the base elbow plate are both welded with connecting arm plates, so that the isolation sleeper and the C-shaped liquid tank can be limited and thrust.

The invention relates to a method (100) for cooling a fuel (B) for a vessel (80), the vessel (80) having at least one fuel tank (12) and a liquefied gas storage tank (14), comprising the following steps:-(102) extracting a fuel flow (BS) from the liquid phase of the fuel (B) contained in the fuel tank (12),-(104) guiding the fuel flow (BS) into a cooling unit (20); -(106) cooling the liquid fuel flow (BS) in the cooling unit (20), the fuel flow (BS) in the cooling unit (20) being cooled relative to a BOG flow (BGr) which is conducted from the liquefied gas storage tank (14), is reliquefied and is conducted through the cooling unit (20), and-(108) conducting the cooled fuel flow (BSk) back into the fuel tank (12).

This multi-hulled tank comprises: a first tank; a second tank surrounding the first tank; a heat insulating layer disposed between the first tank and the second tank and covering the outer wall of the first tank; and a first piping that is for air supply or expulsion, has a first opening disposed between the tanks in a first inter-tank region between the first tank and the heat insulating layer, passes between the tanks, and extends to outside of the tank.

The present invention relates to a system (1) for managing a gas contained in a tank (2), the system (1) comprising: - at least one supply circuit (6); - at least one heat treatment circuit (8); - at least one first heat exchanger (13); - at least one cooling circuit (17); and - at least one second heat exchanger (16). In the system (1), the heat treatment circuit (8) comprises at least one first branch (9) connected to a first compression stage (11) of a compression device (7) and a second branch (10) connected to a second compression stage (12) of the compression device (7), and the first branch (9) and the second branch (10) merge at a merging point (14) in the heat treatment circuit (8).

Method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, assembly and associated installation. The method comprises the following steps: installation and mechanical tensioning of a plurality of mooring lines (70) between the offshore assembly (12) and the floating assembly (16), each mooring line (70) having an active length (76) under mechanical tension between a first point and a second point; fluid connection between a first capacity (22) and a second capacity (44) via a fluid transfer system (64), and fluid transfer between the first capacity (22) and the second capacity (44); continuous measurement of the mechanical tension applied over the active length (76) of at least one mooring line (70);control, by a control system (62) of the active length (76) of at least one mooring line (70), to maintain the mechanical tension applied to at least one mooring line (70) within a predefined mechanical tension range. Figure for the abbreviation: figure 1;

Leak-proof and thermally insulating tank for the storage of a liquefied gas. The invention relates to a tank, the tank comprising a tank wall (100) including a sealing structure for hermetically sealing a space between the sealing membrane and the load-bearing wall (1000), the sealing structure comprising a first metal structure (6) and a second metal structure (9); the first metal structure comprising a first height (61) and a first base (62); the second metal structure comprising a second height (91) and a second base (92), the sealing membrane comprising corrugations and flat parts situated between the corrugations, the flat parts of the sealing membrane being hermetically fixed to the second base (92);the sealing membrane comprising caps (40) fixed in a watertight manner to the longitudinal ends of the longitudinal corrugations and to the second base (92) to close said longitudinal ends. Figure for the abbreviation: 6;

This invention discloses an underwater drilling assembly and system. The underwater drilling assembly and system includes a drilling assembly, a frame for the drilling assembly, and a connecting flange assembly to be secured to a hull. The underwater drilling assembly and system also includes a waste bin and an automatic vent valve assembly.

To provide a gas processing system and a vessel including the same.SOLUTION: Provided are a gas processing system and a vessel including the same. The gas processing system for transmitting liquid gas from a storage tank of a bunkering vessel to a C type fuel tank provided on a gas propulsion vessel includes: a bunkering line for supplying the liquid gas in the storage tank to the fuel tank; a bunkering management unit for adjusting internal pressure of the storage tank by liquefying evaporation gas in the storage tank by a coolant and returning; and an evaporation gas return line for transmitting the evaporation gas generated in the fuel tank while bunkering through the bunkering line to the bunkering vessel, wherein the bunkering management unit lowers the internal pressure of the storage tank prior to bunkering to be already set pressure or less so that the evaporation gas is transmitted without compression by a separate compressor through the evaporation gas return line by holding the internal pressure of the fuel tank to be inner pressure of the fuel tank or less when bunkering.SELECTED DRAWING: Figure 1

An offshore terminal facility comprising, in various embodiments, a floating storage vessel with its bow in a fixed orientation and multi-point moored to the offshore seabed by multi-point mooring lines, the floating storage vessel comprising a hull having a bow end and a stern end, the hull being provided with an extension at one or both of the bow end and the stern end, and including a connecting means on the extension for connecting the multi-point mooring lines to the floating storage vessel.

The present invention is a liquefied gas supercooling system, which supercools a liquefied gas using a mixed refrigerant, and includes: a compressor that compresses the mixed refrigerant; a separator provided downstream of the compressor that phase-separates the mixed refrigerant into a gas phase refrigerant and a liquid phase refrigerant; a fourth line through which the liquid phase refrigerant separated in the separator flows via a first pressure reducing valve; a fifth line through which the gas phase refrigerant separated in the separator flows via a first heat exchanger, a second heat exchanger, a second pressure reducing valve, and re-inflow into the second heat exchanger; a sixth line through which the mixed refrigerant combined from the fourth line and the fifth line flows via the first heat exchanger, the compressor, and the separator; and an anti-icing unit that adjusts the temperature of the mixed refrigerant on the fifth line or the sixth line.

The invention relates to a sealed and thermally insulated tank (71) comprising a tank wall (1) and a through element (5) passing through the tank wall (1). The sealing membrane (4) has a polygonal window (24) surrounding the through-element (5) to allow the through-element (5) to pass through. The sealing membrane (4) includes a plurality of membrane portions juxtaposed and joined together, the plurality of membrane portions including at least one regular membrane portion (68, 69) having a series of parallel first corrugations (11) and a series of parallel second corrugations (12). Two corrugations (16, 18) in the second corrugation (12) are not present on the irregularly rectangular metal plates (51, 251, 61) arranged on both sides of the window (24).