CN212951017U - Single-air-chamber fuel tank with external gas phase balance system and transport ship thereof - Google Patents
Single-air-chamber fuel tank with external gas phase balance system and transport ship thereof Download PDFInfo
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- CN212951017U CN212951017U CN202020760970.2U CN202020760970U CN212951017U CN 212951017 U CN212951017 U CN 212951017U CN 202020760970 U CN202020760970 U CN 202020760970U CN 212951017 U CN212951017 U CN 212951017U
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Abstract
The utility model discloses a single-air chamber fuel tank of an external gas phase balance system and a transport ship thereof, the fuel tank comprises a bivalve tank and a material conveying balance unit, wherein, the bivalve tank comprises a tank body and a longitudinal bulkhead, and the longitudinal bulkhead is arranged in the inner cavity of the tank body; the material conveying balancing unit comprises a balancing piece and a material conveying piece, the balancing piece is arranged on the side wall of the top of the tank body, and the material conveying piece is arranged in the tank body and is matched and connected with the balancing piece; the gas phase balance pipe is arranged on the outer side of the tank body and is matched and connected with the balance piece; the utility model discloses in through foraminiferous vertical bulkhead with two cavity intercommunications about the bivalve fuel jar, through the gas phase balance pipe that sets up, and the connection of adjustment immersed pump and pump line, reduced the quantity of air chamber system, greatly reduced manufacturing cost with maintain the degree of difficulty.
Description
Technical Field
The utility model relates to a marine equipment technical field especially relates to a single air chamber fuel tank of external gas phase balanced system and transport ship thereof.
Background
According to the IGF/IGC specification requirement, the maximum filling rate of LNG (liquefied natural gas) liquid in the fuel tank of a large-scale transport ship is 98%, and when the fuel tank generates 15-degree transverse inclination and 0.015L (L represents the length of a ship body) longitudinal inclination in the process of sailing of the ship, air pockets are generated at the local positions of the tops of the inner cavities of the two double-petal tanks. If cavitation occurs, it may cause the internal pressure of the fuel tank to increase, thereby increasing the safety hazard of the fuel tank.
In the prior art, the large-scale double-petal tank fuel tank for the ship is divided into a left chamber and a right chamber which are independent chambers, the tops of the left chamber and the right chamber are respectively provided with an air chamber for concentrating gas volatilized in the fuel tank, and all pipelines coming out of the fuel tank are arranged above the air chamber and are provided with a pressure instrument, a liquid level instrument, a temperature instrument, a safety valve and the like. The pipeline and the instrument above the air chamber need a closed space, a ventilation device is arranged, air exchange is required 30 times per hour (the closed space is called TankConnectionSpace and is called TCS for short), two air chambers are respectively provided with a set of TCS system, and the air chamber system (the air chamber with the TCS system) is used for solving the cavitation phenomenon in the fuel tank and improving the use safety of the fuel tank. The system occupies a large area, has high manufacturing cost, long distance, inconvenient operation and large danger coefficient.
And each set of deep-well pump is arranged in the independent cavity, a main machine of the pump is arranged outside the fuel tank during installation, the whole pump and the pump pipe are directly hoisted into the cavity of the fuel tank, and the pump pipe cannot be bent at the moment, so that two sets of deep-well pumps and pump pipes are required to be installed on the C-shaped fuel tank, the installation precision requirement is high, and the manufacturing cost is greatly increased.
For this purpose, the application numbers are: 202020576964.1, the present invention relates to a single-chamber fuel tank with an external gas-phase balance system, which is designed to be a single-chamber system by an internal balance structure (i.e. a gas-phase balance pipe) and an immersed pump, thereby solving the problem of cavitation and greatly reducing the manufacturing cost. However, the design of the above patent with the gas phase equilibrium tube built-in still has the following problems: the built-in gas phase balance pipe and the connecting and supporting structure occupy the inner cavity space of the fuel tank, and the sloshing of LNG is increased; when the ship body inclines, one end of the gas phase balance pipe can be immersed in LNG, so that the gas phase balance pipe fails; further, since the tank is provided inside, it is difficult to perform maintenance. Thus, a solution to this problem is needed.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the problems of the prior double-flap fuel tank, the utility model discloses a.
Therefore, the to-be-solved technical problem of the utility model is to provide a single air chamber fuel tank of external gaseous phase balanced system, its aim at reduces air chamber system and conveying pump and simplifies the fuel jar structure, reduces manufacturing cost, reduces through external gaseous phase balance pipe and maintains the degree of difficulty.
In order to solve the technical problem, the utility model provides a following technical scheme: a single-air chamber fuel tank of an external gas phase balance system comprises a bivalve tank and a material conveying balance unit, wherein the bivalve tank comprises a tank body and a longitudinal bulkhead, and the longitudinal bulkhead is arranged in an inner cavity of the tank body; the material conveying balancing unit comprises a balancing piece and a material conveying piece, the balancing piece is arranged on the side wall of the top of the tank body, and the material conveying piece is arranged in the tank body and is matched and connected with the balancing piece; and the gas phase balance pipe is arranged on the outer side of the tank body and is matched and connected with the balance piece.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the jar body is including left jar of body and right jar of body, the radial cross-section of left side jar of body and right jar of body all is greater than semicircular C type, and the C type opening symmetry of the two links to each other, forms wholly jar internal portion forms the cavity.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the structure of the left tank body is the same as that of the right tank body, the middle part of the left tank body is in a straight cylinder shape, and two ends of the middle part are in a sphere shape.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the longitudinal bulkhead is arranged at the joint of the C-shaped openings of the left tank body and the right tank body and is positioned in the cavity to divide the cavity into a left cavity and a right cavity, and the longitudinal bulkhead is provided with a plurality of through holes.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the balance piece comprises a single-air-chamber system and a gas collection bag, the single-air-chamber system is arranged on the side wall of the C-shaped top of the right tank body of the left tank body, the gas collection bag is arranged on the C-shaped top of the left tank body of the right tank body, and the single-air-chamber system and the gas collection bag are communicated through the gas phase balance pipe.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the single air chamber system and the air collecting bag are communicated with the cavity.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the conveying part comprises an immersed pump and a pump pipe, one end of the pump pipe is connected to the output end of the immersed pump, the other end of the pump pipe is connected with and penetrates through the single-air-chamber system, and the immersed pump is located at the C-shaped bottom of the left cavity and the C-shaped bottom of the right cavity.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the air collecting bag is arranged in the left tank body of the right tank body, the middle part of the pump pipe penetrates through the through hole, and the end part of the pump pipe is connected with and penetrates through the single air chamber system.
As an external gas phase balance system's a preferred scheme of single air chamber fuel tank, wherein: the gas phase balance pipe is detachably arranged at the top of the tank body through a support.
Another object of the present invention is to provide a ship with a fuel tank having a single-air chamber system, which can simplify the structure of the fuel tank of the ship body by installing the fuel tank having the single-air chamber system, thereby reducing the use risk and the maintenance cost.
In order to solve the technical problem, the utility model provides a following technical scheme: a carrier vessel, characterized by: the fuel tank is mounted.
The utility model has the advantages that:
the utility model discloses in through foraminiferous vertical bulkhead with two cavity intercommunications about the bivalve fuel jar, through the gas phase balance pipe that sets up, and the connection of adjustment immersed pump and pump line, reduced the quantity of air chamber system, greatly reduced manufacturing cost with maintain the degree of difficulty.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is the overall structure diagram of the single-air-chamber fuel tank of the external gas phase balance system of the present invention.
Fig. 2 is a schematic view of a cross-sectional structure of a single-chamber fuel tank of the external vapor phase balance system of the present invention.
Fig. 3 is the schematic view of the radial middle plane structure of the single-air chamber fuel tank of the external gas phase balance system of the present invention.
Fig. 4 is the schematic view of the gas collecting bag structure of the single-gas-chamber fuel tank of the external gas phase balance system of the present invention.
Fig. 5 is a schematic view of the horizontal right-side inclined 15-degree plane of the single-air-chamber fuel tank of the external gas phase balance system of the present invention.
Fig. 6 is a schematic view of the single-chamber fuel tank with the external gas phase balance system, wherein the gas collecting bag is omitted from the tank body, and the horizontal left side of the tank body is inclined by 15 degrees.
Fig. 7 is a schematic diagram of the vertical inclination of the tank body of the single-air-chamber fuel tank of the external gas phase balance system of 0.015 times of the ship length.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 and 3, for a first embodiment of the present invention, there is provided a single-chamber fuel tank of an external vapor balance system, the fuel tank comprises a double-flap tank 100 and a material delivery balance unit 200, wherein the double-flap tank 100 comprises a tank body 101 and a longitudinal bulkhead 102, and the longitudinal bulkhead 102 is arranged in an inner cavity of the tank body 101; the material conveying balancing unit 200 comprises a balancing piece 201 and a material conveying piece 202, wherein the balancing piece 201 is arranged on the side wall of the top of the tank body 101, and the material conveying piece 202 is arranged in the tank body 101 and is matched and connected with the balancing piece 201; and the gas phase balance pipe 300 is arranged on the outer side of the tank body 101 and is matched and connected with the balance piece 201.
The double-petal tank 100 is a double-body C-shaped tank body design for containing LNG, wherein the tank body 101 is a shell part of the double-petal tank 100, and the longitudinal bulkhead 102 is a partition plate part in an inner cavity of the tank body 101 for partitioning a cavity of the tank body 101 and buffering LNG fuel stored in the tank during transportation to reduce the influence of oscillation pressure during transportation on the side wall of the tank body 101. The material conveying member 201 of the material conveying balance unit 200 is used for conveying the LNG, and the balance member 202 is used for concentrating the LNG gas volatilized in the tank body 101, so that the air pressure in the single-side tank can be conveniently balanced. The vapor phase balance pipe 300 is a preferable mode of the vapor phase balance system, and the vapor phase balance pipe 300 is used in cooperation with the balance member 202, so that the volatile gas in the tank bodies at the two sides of the bivalve tank 100 is gathered and communicated, the structure of the vapor pressure balance is simplified, and the safety of the fuel tank and the contained LNG in the working process is maintained.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present invention is different from the first embodiment in that: the tank body 101 comprises a left tank body 101a and a right tank body 101b, the radial sections of the left tank body 101a and the right tank body 101b are both C-shaped larger than a semicircle, the C-shaped openings of the left tank body and the right tank body are symmetrically connected to form a whole, and a cavity M is formed inside the tank body.
The left tank 101a and the right tank 101b have the same shape, and the middle portion of the left tank 101a is in a straight cylinder shape, and both ends of the middle portion are in a sphere shape.
The vertical bulkhead 102 is installed at the junction of the C-shaped openings of the left tank 101a and the right tank 101b, is located in the cavity M, and divides the cavity M into a left chamber M1 and a right chamber M2, and a plurality of through holes 102a are opened in the vertical bulkhead 102.
Compared with the embodiment 1, further, with reference to fig. 2 and 3, the tank 101 is formed by connecting a left tank 101a and a right tank 101b which are symmetrical, the left tank 101a and the right tank 101b have the same overall shape and structure, the radial section is C-shaped, and the connected radial section is 8-shaped. Wherein the vertical bulkhead 102 is installed at the joint of the C-shaped openings of the left tank 101a and the right tank 101b, and is located at the joint of the inner cavities of the left tank and the right tank, and can be welded into a whole for improving the supporting strength of the tank 101 and improving the space utilization rate of the tank 101 after splicing, a plurality of groups of through holes 102a are arranged on the plate surface of the vertical bulkhead 102, and can be different in shape, the through holes 102a can be uniformly distributed on the plate surface for communicating the left chamber M1 and the right chamber M2 to form a through chamber, and LNG located in the cavity M can freely pass through the through holes 102a, so that when the LNG in the tank oscillates, the pressure of the oscillation on the tank 101 can be relieved through the flow and the vertical bulkhead 102. Preferably, a truss and a stiffener for pressure bearing and buffering can be added to the inner cavity of the tank 101 and the side wall of the longitudinal bulkhead 102. The design of the C-shaped double-body tank has the characteristics of high strength, more stable placement and higher space utilization rate.
The rest of the structure is the same as that of embodiment 1.
Example 3
Referring to fig. 2 to 7, a third embodiment of the present invention is different from the second embodiment in that: the balance member 201 comprises a single air chamber system 201a and an air collecting bag 201b, the single air chamber system 201a is arranged on the side wall of the C-shaped top of the left tank 101 a/the right tank 101b, the air collecting bag 201b is arranged on the C-shaped top of the right tank 101 b/the left tank 101a, and the air phase balance pipe 300 is used for communicating the single air chamber system 201a with the air collecting bag 201 b.
Both the single-chamber system 201a and the air-collecting bag 201b are in communication with the cavity M.
The feeding member 202 comprises an immersed pump 202a and a pump pipe 202b, one end of the pump pipe 202b is connected to the output end of the immersed pump 202a, the other end is connected to and penetrates through the single air chamber system 201a, and the immersed pump 202a is positioned at the C-shaped bottom of the left chamber M1 and the right chamber M2.
In the right tank 101 b/left tank 101a provided with the air collecting bag 201b, the middle part of the pump pipe 202b penetrates through the through hole 102a, and the end part thereof is connected with and penetrates through the single air chamber system 201 a.
The gas phase balance pipe 203 is detachably mounted on the top side wall of the tank body 101 through a bracket.
Further, compared to embodiment 2, the single-chamber system 201a in the balance member 201 is used to adjust and balance the gas pressure in the tank 101, so that the LNG in the left tank 101a and the right tank 101b can be stably discharged; the single air chamber system 201a can be disposed on either the left tank 101a or the right tank 101b, with the same effect, for example, on the C-shaped top sidewall of the left tank 101 a. The reduced gas chamber system is replaced by a gas collecting bag 201b which is arranged on the side wall of the C-shaped top of the right tank body 101b, and it should be noted that the gas collecting bag 201b in the scheme can be a convex cavity protruding towards the top of the tank body 101 and is mainly used for collecting gas existing in the tank and facilitating the centralized processing of the TCS system; during the tilting of the tank 101, air pockets may be generated in the tank, and in addition, the vapor generated during the LNG storage process increases the internal pressure of the tank 101a, the gas in the left tank 101a is collected in the left gas chamber and treated by the gas chamber system 201a, and the gas in the right tank 101b is collected in the gas collecting bag 201 b. And the gas phase equilibrium tube 300 is used to connect the gas collection bag 201b with the single-chamber system 201a, so that the gas in the gas collection bag 201b can be processed by the TCS system, thereby keeping the pressure in the left chamber M1 and the right chamber M2 stable. It should be further noted that, in conjunction with fig. 4, 6 and 7, the air collecting bag 201b can be miniaturized or eliminated, and when the air is exchanged through the gas phase equilibrium tube 300, the effect of pressure equilibrium in the tank 101 is achieved by increasing the air exchange frequency.
Specifically, referring to fig. 3, the vapor balance tube 300 is detachably mounted on the top side wall of the bivalve tank 100 through a bracket, and has the functions that, compared with the vapor balance tube built in the tank body 101, the vapor balance tube 300 and the connecting and supporting structure thereof do not occupy the inner cavity space of the fuel tank, and can contain more LNG, reduce the collision between the LNG in the tank and the vapor balance tube 300, and reduce the boil-off gas generated by the LNG due to oscillation; secondly, when the transport ship turns, the ship body can incline, the installed fuel tank inclines accordingly, the gas phase balance pipe 300 installed externally cannot be immersed in LNG, and the condition of failure cannot occur; furthermore, the gas phase balance pipe 300 is located outside the fuel tank, which facilitates maintenance thereof. The detachable installation of the bracket also facilitates the installation and replacement of the gas phase equilibrium tube 300. In order to meet the specification requirement, that is, when the LNG fuel tank is tilted 15 degrees in the transverse direction of the ship, as shown in fig. 4 to 6 (the percentage in the figure represents the percentage of the tank cavity volume), and when the LNG fuel tank is tilted 0.015 times the ship length, as shown in fig. 7 (L in the figure represents the ship length), the pressure control valve needs to be disposed at the highest point of the fuel tank.
Furthermore, the immersed pump 202a in the feeding member 202 has a better application effect than the deep well pump in the prior art, and is used for feeding LNG in the tank, the pump pipe 202b connected to the output end of the immersed pump 202a is used for guiding and guiding the LNG, in the left tank 101a, the pump pipe 202b is connected with and penetrates through the single air chamber system 201a at the shortest distance, so as to save occupied space and improve feeding efficiency, while the pump pipe 202b in the right tank 101b penetrates through the through hole 102a on the longitudinal bulkhead 102 after being bent and is connected with and penetrates through the single air chamber system 201a, the bent part is connected through a connecting piece such as a bend, and the pump pipe 202b penetrates through the single air chamber system 201a and is connected with a valve or a feeding gun, so as to perform subsequent feeding control.
The rest of the structure is the same as that of embodiment 2.
Example 4
For the fourth embodiment of the present invention, a transportation vessel is provided, and the fuel tank of the above embodiment is installed on the transportation vessel.
In the double-valve fuel tank in the scheme, after the double-air-chamber system is changed into the single-air-chamber system 201a, the installation cost and the control difficulty of the air chamber system can be greatly reduced due to the fact that half of the number of instruments, meters, control valves and the like is reduced; and the inside of the bivalve fuel tank is communicated, so that the effective volume of the cavity M in the tank body 101 can be increased, the mass of the tank body 101 can be reduced, and the utilization efficiency of the bivalve fuel tank can be improved. On the transport ship, LNG in the fuel tank is used as fuel, and LNG liquid in the tank is sent to the LNG vaporizer by the submerged pump 202a in the tank, and the liquid LNG is vaporized and used as fuel for the main unit, auxiliary units, and boilers of the transport ship.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an external gas phase balanced system's single-air chamber fuel tank which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a two-lobe tank (100) comprising a tank body (101) and a longitudinal bulkhead (102), the longitudinal bulkhead (102) disposed in an interior cavity of the tank body (101);
the material conveying balance unit (200) comprises a balance piece (201) and a material conveying piece (202), the balance piece (201) is arranged on the side wall of the top of the tank body (101), and the material conveying piece (202) is arranged in the tank body (101) and is connected with the balance piece (201) in a matching mode;
the gas phase balance pipe (300) is arranged on the outer side of the tank body (101) and is connected with the balance piece (201) in a matching mode.
2. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 1 wherein: jar body (101) are including left jar of body (101 a) and right jar of body (101 b), the radial cross-section of left side jar of body (101 a) and right jar of body (101 b) all is greater than the C type of semicircle, and the C type opening symmetry of the two links to each other, forms wholly jar body (101) inside cavity (M) that forms.
3. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 2 wherein: the structure of the left tank body (101 a) is the same as that of the right tank body (101 b), the middle part of the left tank body (101 a) is in a straight cylinder shape, and two ends of the middle part are in a spherical shape.
4. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 2 or 3, wherein: the vertical bulkhead (102) is arranged at the joint of the C-shaped openings of the left tank body (101 a) and the right tank body (101 b) and is positioned in the cavity (M) to divide the cavity (M) into a left chamber (M1) and a right chamber (M2), and a plurality of through holes (102 a) are formed in the vertical bulkhead (102).
5. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 4 wherein: the balance piece (201) comprises a single-air-chamber system (201 a) and an air collecting bag (201 b), the single-air-chamber system (201 a) is arranged on the side wall of the C-shaped top of the left tank body (101 a)/the right tank body (101 b), the air collecting bag (201 b) is arranged on the C-shaped top of the right tank body (101 b)/the left tank body (101 a), and the single-air-chamber system (201 a) is communicated with the air collecting bag (201 b) through a gas phase balance pipe (300).
6. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 5 wherein: the single-air chamber system (201 a) and the air collecting bag (201 b) are communicated with the cavity (M).
7. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 5 or 6, wherein: the material conveying part (202) comprises an immersed pump (202 a) and a pump pipe (202 b), one end of the pump pipe (202 b) is connected to the output end of the immersed pump (202 a), the other end of the pump pipe is connected to and penetrates through the single-air-chamber system (201 a), and the immersed pump (202 a) is located at the C-shaped bottom of the left chamber (M1) and the right chamber (M2).
8. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 7 wherein: and in the right tank body (101 b)/the left tank body (101 a) provided with the air collection bag (201 b), the pump pipe (202 b) penetrates through the through hole (102 a), and the end part of the pump pipe is connected with and penetrates through the single air chamber system (201 a).
9. The single-chamber fuel tank of an external vapor phase equilibrium system as defined in claim 4 wherein: the gas phase balance pipe (300) is detachably arranged on the side wall of the top of the tank body (101) through a bracket.
10. A carrier vessel, characterized by: a fuel tank according to any one of claims 1 to 9 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760970.2U CN212951017U (en) | 2020-05-08 | 2020-05-08 | Single-air-chamber fuel tank with external gas phase balance system and transport ship thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760970.2U CN212951017U (en) | 2020-05-08 | 2020-05-08 | Single-air-chamber fuel tank with external gas phase balance system and transport ship thereof |
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| CN212951017U true CN212951017U (en) | 2021-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212664A (en) * | 2021-06-09 | 2021-08-06 | 江南造船(集团)有限责任公司 | Air chamber communication structure and liquefied gas carrier of C type fluid reservoir |
| CN114771740A (en) * | 2022-05-24 | 2022-07-22 | 江南造船(集团)有限责任公司 | Marine liquefied gas fuel tank and ship |
| CN114987683A (en) * | 2022-05-24 | 2022-09-02 | 江南造船(集团)有限责任公司 | Marine liquefied gas fuel tank |
-
2020
- 2020-05-08 CN CN202020760970.2U patent/CN212951017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212664A (en) * | 2021-06-09 | 2021-08-06 | 江南造船(集团)有限责任公司 | Air chamber communication structure and liquefied gas carrier of C type fluid reservoir |
| CN114771740A (en) * | 2022-05-24 | 2022-07-22 | 江南造船(集团)有限责任公司 | Marine liquefied gas fuel tank and ship |
| CN114987683A (en) * | 2022-05-24 | 2022-09-02 | 江南造船(集团)有限责任公司 | Marine liquefied gas fuel tank |
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