CN117163231A - Ship for transporting liquefied petroleum gas and method thereof - Google Patents
Ship for transporting liquefied petroleum gas and method thereof Download PDFInfo
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- CN117163231A CN117163231A CN202311449402.5A CN202311449402A CN117163231A CN 117163231 A CN117163231 A CN 117163231A CN 202311449402 A CN202311449402 A CN 202311449402A CN 117163231 A CN117163231 A CN 117163231A
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- annular
- liquefied petroleum
- ship
- block
- petroleum gas
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- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 238000005457 optimization Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Abstract
The application relates to the technical field of liquefied petroleum gas transportation and discloses a ship for transporting liquefied petroleum gas and a method thereof, the ship comprises a support frame, an oil storage tank is rotatably arranged on the inner side of the support frame, an active buffer component for limiting the rotation of the oil storage tank is arranged on the lower portion of the support frame, a filling component is arranged in the oil storage tank and comprises a transverse pipe arranged in the oil storage tank, one end of the transverse pipe is provided with an annular block, the annular block is fixedly connected with the inner wall of the support frame, an annular fixing ring is coaxially arranged on the annular block, a flexible airbag barrel is fixed on the annular fixing ring, one end of the flexible airbag barrel, far away from the annular block, is inwards folded to form an inwards folded part, and one end, close to the annular block, of the inwards folded part is fixedly connected with a movable ring. The flexible airbag tube is matched with the flexible airbag tube, and can fill the gap between the flexible airbag tube and the tank body, so that the shaking of the liquefied petroleum gas in the running process of the ship is effectively inhibited, and the ship is safer.
Description
Technical Field
The application relates to the technical field of liquefied petroleum gas transportation, in particular to a ship for transporting liquefied petroleum gas and a method thereof.
Background
Liquefied petroleum gas is a colorless volatile liquid obtained by pressurizing, cooling and liquefying natural gas or petroleum in a petroleum refinery. Liquefied petroleum gas, like petroleum and natural gas, is a fossil fuel. Is a mixture of various low boiling point gases in the petroleum refining process, and has no fixed composition. The main components are butene, propylene, butane and propane, which are extremely easy to self-ignite, and when the content of the butene in the air reaches a certain concentration range, the butene can explode when encountering open fire. The ship transportation is a common transportation mode of liquefied petroleum gas, the liquefied petroleum gas is stored in a storage tank on the ship, and as most of the liquefied petroleum gas and the storage tank have gaps, when the ship shakes, the liquefied petroleum gas can shake in the storage tank, and the danger is easy to be caused, so the ship for transporting the liquefied petroleum gas and the method thereof are provided.
Disclosure of Invention
Based on the technical problems in the background technology, the application provides a ship for transporting liquefied petroleum gas and a method thereof.
The application provides a ship for transporting liquefied petroleum gas, which comprises a support frame, wherein an oil storage tank is rotatably arranged on the inner side of the support frame, an active buffer component for limiting the rotation of the oil storage tank is arranged on the lower part of the support frame, and a filling component is arranged in the oil storage tank;
the filling assembly comprises a transverse pipe arranged in an oil storage tank, an annular block is arranged at one end of the transverse pipe, an annular fixing ring is coaxially arranged at one end inner wall of the annular block and the oil storage tank along the axial direction of the annular block, a flexible air bag cylinder is fixed on the annular fixing ring, one end of the flexible air bag cylinder, far away from the annular block, is turned inwards to form an inward folded part, the inward folded part is close to one end of the annular block and fixedly connected with a movable ring, the movable ring is sleeved outside the transverse pipe, a piston block is slidably arranged at the inner side of the transverse pipe, a rectangular mounting groove is arranged at one end of the piston block, a second V-shaped wheel is rotationally arranged in the rectangular mounting groove, two strip-shaped holes are symmetrically arranged at one end of the transverse pipe, first V-shaped wheels are rotationally arranged in the two strip-shaped holes, steel ropes are wound on the second V-shaped wheels, two ends of the steel ropes sequentially bypass the two first V-shaped wheels, two ends of the steel ropes are respectively penetrated through the two holes and fixedly connected with the movable ring, and the flexible air bag assembly is inflated by the flexible air bag assembly.
Here after depositing liquefied petroleum gas in the oil storage tank, its focus is close to down, runs into and rock and take place relative rotation between back oil storage tank and the support frame, the initiative buffer module that sets up this time plays the cushioning effect, and the flexible gasbag section of thick bamboo that sets up in the oil storage tank inboard can fill gassing through the buffer module, through the deformation of flexible gasbag section of thick bamboo, can change the storage volume in the oil storage tank to realize that liquefied petroleum gas is full of in the oil storage tank, avoid because there is the clearance between liquefied petroleum gas and the oil storage tank, the liquefied petroleum gas takes place violently to rock when leading to suffering jolting.
As a further optimization of the technical scheme, the oil storage tank comprises a tank body, the tank body is of a transversely arranged cylindrical structure, the upper portion of the tank body is of a transversely flat structure, two ends of the tank body are fixedly provided with side plates, a plurality of reinforcing beams are connected between the two side plates, an oil inlet is formed in the middle position of the top of the tank body, a cover plate is detachably fixed at the top of the oil inlet, an oil outlet pipe is arranged at the lower portion of the tank body, rotating sleeves are arranged on the side walls of the two side plates, the rotating sleeves are coaxially arranged with the tank body, the annular blocks are coaxial with the rotating sleeves, annular check rings are arranged at one ends of the rotating sleeves far away from the tank body, and hanging rings are fixed at two ends of the top of the tank body.
As a further optimization of the technical scheme, the ship for transporting the liquefied petroleum gas comprises two vertical plates, wherein a plurality of cross beams are connected between the two vertical plates, mounting holes matched with the rotary sleeves are formed in the two vertical plates, and the rotary sleeves are in rotary connection with the mounting holes.
As a further optimization of the technical scheme, the active buffer component comprises a shell fixed on a cross beam, wherein the upper part of the shell is of a cambered surface structure, a gap is reserved between the upper part of the shell and the lower part of a tank body, a second support plate is fixedly arranged at the middle position of the lower part of the tank body, a plurality of permanent magnets are fixedly arranged on the second support plate, a rectangular channel for the second support plate to move is arranged at the top of the shell, first support plates which are obliquely arranged are respectively arranged at the two ends, close to the rectangular channel, of the inner side of the shell, the first support plates are arranged along the radial direction of the tank body, a plurality of electromagnets are respectively fixed on the two first support plates, and the number of the electromagnets on the first support plates corresponds to the number of the permanent magnets.
As a further optimization of the technical scheme, the ship for transporting the liquefied petroleum gas comprises a buffer tank, wherein a metal bent pipe is arranged at the lower part of the buffer tank in a penetrating manner, the upper part of the metal bent pipe is bent to form a bent pipe part, the bent pipe part is positioned at the upper part of the inner side of the buffer tank, a pressure reducing valve is arranged at the top of the buffer tank, the side wall of the buffer tank is connected with an air outlet pipe orifice, an air inlet pipe is connected to the air outlet pipe orifice, a branch pipe communicated with the inner part of the air inlet pipe is arranged on the side wall of the air inlet pipe, a pressure measuring meter is fixedly connected to the branch pipe, one end, far away from the air outlet pipe orifice, of the air inlet pipe is fixedly connected with an annular block, and the air inlet pipe is communicated with a transverse pipe.
In this preferred scheme, the metal return bend that sets up here is used for being connected with external air supply, and can establish ties on the metal return bend and set up the solenoid valve and be used for exhausting, can be used for carrying out the gas-liquid separation through the return bend portion of setting, the buffer tank that the cooperation set up plays certain cushioning effect, the relief pressure valve of setting can be used for high pressure initiative pressure release, can let in inert gas through external atmospheric pressure, gas passes the intake pipe and enters into in the violently pipe, it is downthehole to enter into flexible gasbag section of thick bamboo to pass violently pipe upper end bar hole, flexible gasbag section of thick bamboo receives atmospheric pressure effect deformation and grow, the infolding portion of setting stretches out the expansion simultaneously, be used for changing the internal capacity of jar, thereby realize that the liquefied petroleum gas in the jar just fills up the cavity between jar body and the flexible gasbag section of thick bamboo, the manometer is arranged in detecting the atmospheric pressure in the flexible gasbag section of thick bamboo.
As further optimization of the technical scheme, according to the ship for transporting the liquefied petroleum gas, one end, far away from the annular block, of the piston block is fixedly provided with the pull rod, one end, far away from the piston block, of the pull rod is provided with the first limiting cap, an annular convex ring is fixedly arranged on the inner wall of the transverse pipe, close to the position between the piston block and the first limiting cap, the pull rod penetrates through the annular convex ring, and a spring is sleeved on the outer wall of the pull rod, close to the position between the first limiting cap and the annular convex ring.
As a further optimization of the technical scheme, according to the ship for transporting the liquefied petroleum gas, one end of the transverse pipe, which is far away from the annular block, is provided with the air duct communicated with the outside, the air duct penetrates through the side wall of the oil storage tank, and the air duct is provided with the ball valve.
In the preferred scheme, the air duct can be connected with an external air source to adjust the internal pressure of the transverse pipe close to one end of the air duct, thereby adjusting the position of the piston block.
As a further optimization of the technical scheme, according to the ship for transporting the liquefied petroleum gas, one end of the piston block, which is close to the annular block, is fixedly provided with the rectangular block which is transversely arranged, one end of the rectangular block, which is far away from the piston block, is fixedly connected with the conical block, and the outer diameter of the conical block is matched with the inner diameter of the air inlet pipe.
As a further optimization of the technical scheme, the ship for transporting the liquefied petroleum gas is characterized in that an annular sealing channel is formed in the outer circumferential surface of the piston block, and a sealing rubber ring is arranged in the annular sealing channel.
A method of operating a vessel for transporting liquefied petroleum gas, comprising the steps of:
s1: the equipment is installed, the supporting frame is fixedly installed in a cabin of the ship, and the supporting frame and the width direction of the ship are placed;
s2: the liquefied petroleum gas is stored, an oil outlet pipe below the tank body is closed, the liquefied petroleum gas to be stored is injected through an oil inlet, then a metal bent pipe in the buffer tank assembly is connected with an external air source, and high-pressure inert gas is introduced, the gas passes through the metal bent pipe, and then enters the flexible airbag barrel through the buffer tank, an air outlet pipe orifice and an air inlet pipe, so that the expansion deformation of the flexible airbag barrel is realized, the contracted inward folded part stretches out and expands, the deformed flexible airbag barrel changes the size of a cavity between the flexible airbag barrel and the tank body, the liquefied petroleum gas can fill the cavity between the flexible airbag barrel and the tank body, and liquid shaking in the ship running process can be reduced;
s3: the rotation and shaking are carried out, and the repulsive force opposite to the permanent magnet blocks on the second support plate is generated by controlling the electromagnet on the first support plate to work, so that the rotation of the oil storage tank can be restrained;
s4: the piston block is positioned, and the ball valve on the air duct is closed, so that the piston block is limited to slide in the pull rod under the action of air pressure;
s5: the air bag shrinkage adjustment, when the expansion volume of the flexible air bag barrel needs to be reduced or the flexible air bag barrel is folded, the air pressure in the buffer tank assembly is controlled to be released, the air duct is connected with air extraction equipment, and under the action of negative pressure, the piston block is realized to slide in the transverse tube, so that the piston block is matched with a steel rope to pull the movable ring to move, and the inner folding part is pulled to be folded in the flexible air bag barrel.
In summary, the beneficial effects of the application are as follows:
through the buffer tank subassembly that sets up, the flexible gasbag section of thick bamboo that the cooperation set up can adjust the volume size between flexible gasbag section of thick bamboo and the jar body through the volume that changes flexible gasbag section of thick bamboo, thereby can guarantee to deposit the liquefied petroleum gas in the jar body, can be full of the clearance between flexible gasbag section of thick bamboo and the jar body, thereby effectually restrain the rocking of liquefied petroleum gas in the boats and ships travel, it is safer, rotate between support frame and the oil storage tank and be connected simultaneously, can eliminate the influence of a part of hull angle change to the oil storage tank, permanent magnetism piece cooperation electro-magnet in the initiative buffer subassembly, the rotation of the suppression jar body that can be initiative.
Drawings
Fig. 1 is a schematic structural view of a ship for transporting liquefied petroleum gas according to the present application;
fig. 2 is a schematic structural diagram of a ship oil storage tank and a supporting frame for transporting liquefied petroleum gas according to the present application;
fig. 3 is a schematic structural view of a ship support frame for transporting liquefied petroleum gas according to the present application;
FIG. 4 is a schematic view of a partially cut-away configuration of a marine surge tank assembly for transporting liquefied petroleum gas in accordance with the present application;
fig. 5 is a schematic structural diagram of a ship oil storage tank for transporting liquefied petroleum gas according to the present application;
FIG. 6 is a schematic cross-sectional view of a marine storage tank for transporting LPG according to the present application;
FIG. 7 is a schematic view of a transverse tube and a flexible air bag tube of a ship for transporting liquefied petroleum gas;
FIG. 8 is a schematic cross-sectional view of a flexible bladder tube and cross tube of a liquefied petroleum gas carrying vessel according to the present application;
fig. 9 is a schematic structural view of a piston block, a steel rope and a first V-wheel of a ship for transporting liquefied petroleum gas according to the present application.
In the figure: 1. an oil storage tank; 101. a tank body; 102. a side plate; 1021. a rotating sleeve; 1022. an annular retainer ring; 103. a stiffening beam; 104. a hanging ring; 105. an oil inlet; 1051. a cover plate; 106. an oil outlet pipe; 2. a support frame; 201. a cross beam; 202. a riser; 2021. a mounting hole; 3. an active buffer assembly; 301. a housing; 302. a first support plate; 3021. an electromagnet; 303. a second support plate; 3031. permanent magnet blocks; 4. a surge tank assembly; 401. a buffer tank; 402. a metal elbow; 4021. a bent pipe part; 403. a pressure reducing valve; 404. an air outlet pipe orifice; 5. a filling assembly; 501. an air inlet pipe; 5011. a pressure gauge; 502. a transverse tube; 5021. a bar-shaped hole; 50211. a first V-wheel; 5022. an annular convex ring; 5023. an air duct; 503. a pull rod; 5031. a spring; 5032. a first limit cap; 5033. a piston block; 50331. a second V-wheel; 50332. rectangular blocks; 50333. a conical block; 504. a flexible balloon tube; 5041. an inward folded part; 5042. a movable ring; 505. an annular block; 5051. an annular fixing ring; 506. and (5) a steel rope.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 9 in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-9, a ship for transporting liquefied petroleum gas comprises a support frame 2, wherein an oil storage tank 1 is rotatably arranged on the inner side of the support frame 2, an active buffer component 3 for limiting the rotation of the oil storage tank 1 is arranged on the lower portion of the support frame 2, and a filling component 5 is arranged in the oil storage tank 1;
the filling assembly 5 comprises a transverse tube 502 arranged in the oil storage tank 1, an annular block 505 is arranged at one end of the transverse tube 502, the annular block 505 is fixedly connected with the inner wall of one end of the oil storage tank 1, an annular fixed ring 5051 is coaxially arranged on the annular block 505 along the axial direction of the annular block 505, a flexible air bag barrel 504 is fixed on the annular fixed ring 5051, one end of the flexible air bag barrel 504 is far away from the annular block 505 and turned inwards to form an inward folded part 5041, the inward folded part 5041 is close to one end of the annular block 505 and fixedly connected with a movable ring 5042, the movable ring 5042 is sleeved outside the transverse tube 502, a piston block 5033 is slidably arranged at the inner side of the transverse tube 502 and is close to one end of the annular block 505, a rectangular mounting groove is formed in the rectangular mounting groove, a second V-shaped wheel 50331 is rotationally arranged in the annular block 505, a first V-shaped wheel 50211 is rotationally arranged in the two strip-shaped holes 5021, the second V-shaped wheel 5041 is close to the two V-shaped wheels 50506, two ends of the two V-shaped wheels 5021 are sequentially connected with the two V-shaped wheels 50506, and the two V-shaped wheels 5024 are sequentially connected with the two ends of the flexible air bag 5053.
Here, after storing liquefied petroleum gas in the oil storage tank 1, the gravity center of the oil storage tank is close to the bottom, and relative rotation occurs between the oil storage tank 1 and the support frame 2 after shaking, the active buffer assembly 3 arranged at this time plays a role in buffering, the flexible air bag tube 504 arranged on the inner side of the oil storage tank 1 can be inflated and deflated through the buffer tank assembly 4, and the storage volume in the oil storage tank 1 can be changed through deformation of the flexible air bag tube 504, so that the liquefied petroleum gas is filled in the oil storage tank 1, and severe shaking caused by the fact that the liquefied petroleum gas is reacted when shaking is caused due to gaps between the liquefied petroleum gas and the oil storage tank 1 is avoided.
Referring to fig. 5, the oil storage tank 1 includes a tank body 101, the tank body 101 is a tubular structure that transversely sets up, and the upper portion of the tank body 101 is a horizontal flat structure, both ends of the tank body 101 are all fixedly provided with curb plates 102, two be connected with a plurality of stiffening beams 103 between the curb plates 102, tank body 101 top intermediate position department is provided with oil inlet 105, and the oil inlet 105 top can be dismantled and be fixed with apron 1051, tank body 101 lower part is provided with out oil pipe 106, two curb plate 102 lateral wall all is provided with swivel sleeve 1021, two swivel sleeve 1021 all sets up with tank body 101 is coaxial, annular piece 505 is coaxial with swivel sleeve 1021, two swivel sleeve 1021 keeps away from tank body 101 one end all is provided with annular retaining ring 1022, tank body 101 top both ends all are fixed with rings 104.
Referring to fig. 3, the supporting frame 2 includes two vertical plates 202, a plurality of cross beams 201 are connected between the two vertical plates 202, mounting holes 2021 adapted to the rotating sleeves 1021 are formed in the two vertical plates 202, and the rotating sleeves 1021 are rotatably connected with the mounting holes 2021.
Referring to fig. 2, the active buffer assembly 3 includes a casing 301 fixed on the beam 201, an arc surface structure is disposed on an upper portion of the casing 301, a gap is left between an upper portion of the casing 301 and a lower portion of the tank 101, a second support plate 303 is fixedly disposed at a middle position of a lower portion of the tank 101, a plurality of permanent magnets 3031 are fixedly disposed on the second support plate 303, a rectangular channel for the second support plate 303 to move is disposed on a top of the casing 301, first support plates 302 disposed at two ends of an inner side of the casing 301, which are close to the rectangular channel, are disposed in an inclined manner, the first support plates 302 are disposed along a radial direction of the tank 101, a plurality of electromagnets 3021 are fixed on the two first support plates 302, and a number of electromagnets 3021 on the first support plates 302 corresponds to a number of the permanent magnets 3031.
Referring to fig. 4, the buffer tank assembly 4 includes a buffer tank 401, a metal elbow 402 is disposed at the lower portion of the buffer tank 401, an elbow 4021 is formed by bending the upper portion of the metal elbow 402, the elbow 4021 is located at the upper portion of the inner side of the buffer tank 401, a pressure reducing valve 403 is disposed at the top of the buffer tank 401, an air outlet pipe 404 is connected to the side wall of the buffer tank 401, an air inlet pipe 501 is connected to the air outlet pipe 404, a branch pipe communicated with the air inlet 501 is disposed on the side wall of the air inlet 501, a manometer 5011 is fixedly connected to the branch pipe, one end, far away from the air outlet 404, of the air inlet 501 is fixedly connected with an annular block 505, the air inlet 501 is communicated with a transverse pipe 502, the metal elbow 402 disposed therein is used for being connected with an external air source, an electromagnetic valve is disposed on the metal elbow 402 in series for exhausting, the set up through the set elbow 4021 can be used for performing gas-liquid separation, the buffer tank 401 disposed in cooperation plays a certain role, the set pressure reducing valve 403 can be used for high pressure initiative, inert gas can be introduced through external air pressure, the inert gas can pass through the air inlet pipe 501, and pass through the air inlet pipe 502 passes through the end 502 and the end of the air inlet pipe 501 and the annular block 505, and the flexible air pump 502 passes through the end 502 and the end 502 of the flexible air pipe 502 is fixedly connected to the flexible air pump 502, and the flexible air pump is stretched out of the flexible air pump 504, and the flexible air pump is stretched into the flexible air pump body 101, and the flexible air pump is stretched into the flexible air pump body.
Referring to fig. 6, a pull rod 503 is fixed at one end of the piston block 5033 away from the annular block 505, a first limit cap 5032 is provided at one end of the pull rod 503 away from the piston block 5033, an annular convex ring 5022 is fixed at a position between the inner wall of the transverse tube 502 and the piston block 5033 and the first limit cap 5032, the pull rod 503 passes through the annular convex ring 5022, and a spring 5031 is sleeved at a position between the outer wall of the pull rod 503 and the first limit cap 5032 and the annular convex ring 5022.
Referring to fig. 6, an air duct 5023 is disposed at one end of the transverse tube 502 far away from the annular block 505 and is communicated with the outside, the air duct 5023 passes through the side wall of the oil storage tank 1, a ball valve is disposed on the air duct 5023, and the air duct 5023 can be connected with an external air source to adjust the internal pressure of the transverse tube 502 near one end of the air duct 5023, so as to adjust the position of the piston block 5033.
Referring to fig. 9, a rectangular block 50332 disposed transversely is fixed at one end of the piston block 5033 near the annular block 505, and a conical block 50333 is fixedly connected to one end of the rectangular block 50332 far away from the piston block 5033, and an outer diameter of the conical block 50333 is adapted to an inner diameter of the air inlet pipe 501.
An annular sealing channel is formed in the outer circumferential surface of the piston block 5033, and a sealing rubber ring is arranged in the annular sealing channel.
A method of operating a vessel for transporting liquefied petroleum gas, comprising the steps of:
s1: installing equipment, namely fixedly installing the support frame 2 into a cabin of a ship, and placing the support frame 2 and the ship in the width direction;
s2: the liquefied petroleum gas is stored, the oil outlet pipe 106 below the tank body 101 is closed, the liquefied petroleum gas to be stored is injected through the oil inlet 105, then the metal bent pipe 402 in the buffer tank assembly 4 is connected with an external air source, high-pressure inert gas is introduced, the gas passes through the metal bent pipe 402 and enters the flexible airbag barrel 504 through the buffer tank 401, the air outlet pipe orifice 404 and the air inlet pipe 501, the expansion and the deformation of the flexible airbag barrel 504 are realized, the contracted inward folded part 5041 stretches out and expands, the deformed flexible airbag barrel 504 changes the size of a cavity between the flexible airbag barrel 504 and the tank body 101, the liquefied petroleum gas can fill the cavity between the flexible airbag barrel 504 and the tank body 101, and the liquid shaking in the ship running process can be reduced;
s3: the rotation and shaking can generate repulsive force opposite to the permanent magnet 3031 on the second support plate 303 by controlling the electromagnet 3021 on the first support plate 302 to work, so that the rotation of the oil storage tank 1 can be restrained;
s4: the piston block is positioned, and the ball valve on the air duct 5023 is closed, so that the piston block 5033 is limited to slide in the pull rod 503 under the action of air pressure;
s5: when the expansion volume of the flexible air bag tube 504 needs to be reduced or the flexible air bag tube 504 needs to be retracted, the air pressure in the buffer tank assembly 4 is controlled to be released, the air duct 5023 is connected with air extraction equipment, and under the action of negative pressure, the piston block 5033 slides in the transverse tube 502, so that the movable ring 5042 is pulled to move in cooperation with the steel cable 506, and the inward folded part 5041 is pulled to be wound in the flexible air bag tube 504.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (10)
1. The ship for transporting the liquefied petroleum gas comprises a support frame (2), and is characterized in that an oil storage tank (1) is rotatably arranged on the inner side of the support frame (2), an active buffer assembly (3) for limiting the rotation of the oil storage tank (1) is arranged on the lower portion of the support frame (2), and a filling assembly (5) is arranged in the oil storage tank (1);
the filling component (5) comprises a transverse tube (502) arranged in an oil storage tank (1), an annular block (505) is arranged at one end of the transverse tube (502), the annular block (505) is fixedly connected with the inner wall of one end of the oil storage tank (1), an annular fixed ring (5051) is coaxially arranged at one end of the annular block (505) along the axial direction of the annular block, a flexible air bag cylinder (504) is fixed on the annular fixed ring (5051), one end of the flexible air bag cylinder (504) is far away from the annular block (505) and is inwards folded to form an inner folded part (5041), the inner folded part (5041) is fixedly connected with a movable ring (5042) close to one end of the annular block (505), the movable ring (5042) is sleeved on the outer side of the transverse tube (502), a piston block (5033) is slidably arranged at the inner side of the transverse tube (502), one end of the piston block (5033) is close to the annular block (505) and is provided with a rectangular mounting groove, a second V-shaped wheel (5050504) is rotationally arranged on the annular fixed ring (5051), one end of the flexible air bag cylinder (505) is far away from the annular block (505) and is inwards folded inwards to form an inner folded part (5041), two V-shaped wheels (5041) are respectively arranged at two opposite ends of the two V-shaped steel ropes (5021) and two opposite ends (50211) respectively, two V-shaped steel ropes (50211) are arranged in turn around the two V-shaped wheels (5011), and the two ends of the steel cable (506) respectively pass through the two strip-shaped holes (5021) to be fixedly connected with the movable ring (5042), and the annular block (505) is connected with a buffer tank assembly (4) for inflating and deflating the flexible air bag tube (504).
2. The ship for transporting liquefied petroleum gas according to claim 1, wherein the oil storage tank (1) comprises a tank body (101), the tank body (101) is of a transversely arranged cylindrical structure, the upper portion of the tank body (101) is of a transversely flat structure, side plates (102) are fixedly arranged at two ends of the tank body (101), a plurality of reinforcement beams (103) are connected between the side plates (102), an oil inlet (105) is arranged at the middle position of the top of the tank body (101), a cover plate (1051) is detachably fixed at the top of the oil inlet (105), an oil outlet pipe (106) is arranged at the lower portion of the tank body (101), rotating sleeves (1021) are arranged on the side walls of the side plates (102), the rotating sleeves (1021) are coaxially arranged with the tank body (101), annular blocks (505) are coaxial with the rotating sleeves (1021), annular check rings (1022) are arranged at one ends of the rotating sleeves (1021) away from the tank body (101), and hanging rings (104) are fixedly arranged at the two ends of the tank body (101).
3. The ship for transporting liquefied petroleum gas according to claim 2, wherein the supporting frame (2) comprises two vertical risers (202), a plurality of cross beams (201) are connected between the two risers (202), mounting holes (2021) matched with the rotating sleeves (1021) are formed in the two risers (202), and the rotating sleeves (1021) are rotatably connected with the mounting holes (2021).
4. A ship for transporting liquefied petroleum gas according to claim 3, wherein the active buffer assembly (3) comprises a casing (301) fixed on a cross beam (201), the upper part of the casing (301) is of a cambered surface structure, a gap is reserved between the upper part of the casing (301) and the lower part of the tank (101), a second supporting plate (303) is fixedly arranged at the middle position of the lower part of the tank (101), a plurality of permanent magnets (3031) are fixedly arranged on the second supporting plate (303), rectangular channels for the second supporting plate (303) to move are arranged at the top of the casing (301), first supporting plates (302) which are obliquely arranged are respectively arranged at two ends, close to the rectangular channels, of the inner side of the casing (301), the first supporting plates (302) are arranged along the radial direction of the tank (101), a plurality of electromagnets (3021) are respectively fixed on the two first supporting plates (302), and the number of electromagnets (3021) on the first supporting plates (302) corresponds to the number of the permanent magnets (3031).
5. The ship for transporting liquefied petroleum gas according to claim 4, wherein the buffer tank assembly (4) comprises a buffer tank (401), a metal elbow (402) is arranged at the lower part of the buffer tank (401) in a penetrating mode, an elbow part (4021) is formed by bending the upper part of the metal elbow (402), the elbow part (4021) is located at the upper inner side of the buffer tank (401), a pressure reducing valve (403) is arranged at the top of the buffer tank (401), an air outlet pipe orifice (404) is connected to the side wall of the buffer tank (401), an air inlet pipe (501) is connected to the air outlet pipe orifice (404), a branch pipe communicated with the inside of the air inlet pipe (501) is arranged on the side wall of the air inlet pipe (501), a pressure measuring meter (5011) is fixedly connected to the branch pipe, one end, far away from the air outlet pipe orifice (404), of the air inlet pipe (501) is fixedly connected with an annular block (505), and the air inlet pipe (501) is communicated with a transverse pipe (502).
6. The ship for transporting liquefied petroleum gas according to claim 5, wherein one end of the piston block (5033) far away from the annular block (505) is fixed with a pull rod (503), one end of the pull rod (503) far away from the piston block (5033) is provided with a first limit cap (5032), an annular convex ring (5022) is fixed at a position between the inner wall of the transverse tube (502) close to the piston block (5033) and the first limit cap (5032), the pull rod (503) passes through the annular convex ring (5022), and a spring (5031) is sleeved at a position between the outer wall of the pull rod (503) close to the first limit cap (5032) and the annular convex ring (5022).
7. The ship for transporting liquefied petroleum gas according to claim 6, wherein one end of the transverse pipe (502) far away from the annular block (505) is provided with an air duct (5023) communicated with the outside, the air duct (5023) penetrates through the side wall of the oil storage tank (1), and a ball valve is arranged on the air duct (5023).
8. The ship for transporting liquefied petroleum gas according to claim 6, wherein a rectangular block (50332) which is transversely arranged is fixed at one end of the piston block (5033) close to the annular block (505), a conical block (50333) is fixedly connected at one end of the rectangular block (50332) far away from the piston block (5033), and the outer diameter of the conical block (50333) is matched with the inner diameter of the air inlet pipe (501).
9. The ship for transporting liquefied petroleum gas as claimed in claim 6, wherein an annular sealing channel is formed on the outer circumferential surface of the piston block (5033), and a sealing rubber ring is arranged in the annular sealing channel.
10. A method of operating a vessel for transporting liquefied petroleum gas as claimed in claim 9, including the steps of:
s1: the equipment is installed, the supporting frame (2) is fixedly installed in a cabin of the ship, and the supporting frame (2) and the width direction of the ship are placed;
s2: the liquefied petroleum gas is stored, the oil outlet pipe (106) below the tank body (101) is closed, the liquefied petroleum gas to be stored is injected through the oil inlet (105), then the metal elbow (402) in the buffer tank assembly (4) is connected with an external air source, high-pressure inert gas is introduced, the gas passes through the metal elbow (402), and then enters the flexible airbag barrel (504) through the buffer tank (401), the air outlet pipe orifice (404) and the air inlet pipe (501), so that the expansion deformation of the flexible airbag barrel (504) is realized, the contracted inward folded part (5041) stretches out and expands, the deformed flexible airbag barrel (504) changes the size of a cavity between the flexible airbag barrel (504) and the tank body (101), the liquefied petroleum gas can fill the cavity between the flexible airbag barrel (504) and the tank body (101), and liquid shaking in the running process of a ship can be reduced;
s3: the rotation and shaking are performed, and the electromagnet (3021) on the first support plate (302) is controlled to work to generate repulsive force opposite to the permanent magnet block (3031) on the second support plate (303), so that the rotation of the oil storage tank (1) can be restrained;
s4: the piston block is positioned, and the ball valve on the air duct (5023) is closed, so that the piston block (5033) is limited to slide in the pull rod (503) under the action of air pressure;
s5: when the expansion volume of the flexible air bag cylinder (504) needs to be reduced or the flexible air bag cylinder (504) needs to be retracted, the air in the buffer tank assembly (4) is controlled to be decompressed, the air duct (5023) is connected with air extraction equipment, under the action of negative pressure, the piston block (5033) slides in the transverse tube (502), so that the movable ring (5042) is pulled to move in cooperation with the steel cable (506), and the inward folded part (5041) is pulled to be rolled into the flexible air bag cylinder (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311449402.5A CN117163231B (en) | 2023-11-02 | 2023-11-02 | Ship for transporting liquefied petroleum gas and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311449402.5A CN117163231B (en) | 2023-11-02 | 2023-11-02 | Ship for transporting liquefied petroleum gas and method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN117163231A true CN117163231A (en) | 2023-12-05 |
| CN117163231B CN117163231B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311449402.5A Active CN117163231B (en) | 2023-11-02 | 2023-11-02 | Ship for transporting liquefied petroleum gas and method thereof |
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| Publication number | Publication date |
|---|---|
| CN117163231B (en) | 2024-02-20 |
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