CN212132013U - Container type redundant LNG (liquefied Natural gas) supply system - Google Patents
Container type redundant LNG (liquefied Natural gas) supply system Download PDFInfo
- Publication number
- CN212132013U CN212132013U CN202020454281.9U CN202020454281U CN212132013U CN 212132013 U CN212132013 U CN 212132013U CN 202020454281 U CN202020454281 U CN 202020454281U CN 212132013 U CN212132013 U CN 212132013U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- pipeline
- lng
- joint
- gas supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a redundant LNG air supply system of container formula belongs to LNG air supply system technical field, including storage tank and box frame, the storage tank fixed stay is located in the box frame, and the box frame is equipped with the first integrated device who connects the storage tank at the front end of storage tank, including heating medium and air feed pipe joint case, filling joint case, electric and instrument case and first play liquid control valve, first ventilation blower, storage tank safety discharge pipeline and pipeline safety discharge pipeline, the structure is very compact; the box frame is equipped with the second integrated device at the rear end of storage tank, goes out liquid control valve, second ventilator, second LNG vaporizer, second NG heater and pipeline safety emission pipeline including the second, when the equipment of one end goes wrong wherein, through control system automatic switch-over to other end work, the effectual requirement that has satisfied LNG gas supply system redundancy design, greatly reduced the cost of redundant structure, be convenient for control, management and implementation.
Description
Technical Field
The utility model relates to a LNG gas supply system technical field, in particular to redundant LNG gas supply system of container formula.
Background
The existing C-type LNG storage tank and LNG supply system are manufactured and installed in the following modes: the C-shaped LNG tank body and the treatment device are specially designed and manufactured according to the specific conditions of each ship, and then are installed and fixed on the ship, and the auxiliary pipelines need to be specially designed and considered. If a redundant design is required, a complete set of devices is added, further increasing the complexity of the system structure and the pipeline.
The existing product form of the C-type storage tank and the LNG gas supply system has many disadvantages:
1. the storage tanks and the processing devices are dispersedly arranged on the ship, the structure is loose, and the utilization rate of precious space of the ship is not high;
2. the specialized design and manufacture greatly increase the difficulty of system processing, manufacturing and installation, and if redundant design is needed, the complexity of the system structure and pipelines is further increased, so that the difficulty is greatly increased, and the installation and daily operation and maintenance costs are higher.
3. Once the equipment is installed and fixed, the equipment cannot be moved and replaced basically, the difficulty of maintenance is increased, and the dependence of the ship on the reliability of the equipment of the gas supply system is greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a redundant LNG gas supply system of container formula, through with the storage tank with satisfy the air feed processing integrated device of redundant function, whole designs are installed in the frame that satisfies container overall dimension requirement, make the installation and the replacement that whole equipment can be convenient, effectively solved the various problems that current system architecture brought.
The technical scheme for realizing the purpose is as follows:
the utility model provides a container type redundant LNG gas supply system, which comprises a C-shaped LNG storage tank and a control system, wherein the storage tank is provided with a front end part and a rear end part which are opposite and also comprises a box-type frame which fixedly supports the storage tank, and the storage tank is positioned in the box-type frame;
a first integration device connected with the storage tank is arranged at one end, close to the front end, in the box-type frame and comprises a heating medium and gas supply pipe joint box, a filling joint box and an electric and instrument box, wherein a heating medium pipeline inlet joint, a heating medium pipeline outlet joint and a gas supply pipeline joint are arranged in the heating medium and gas supply pipe joint box, a first LNG vaporizer and a first NG heater are arranged at the top of the heating medium and gas supply pipe joint box, the filling joint box is connected with the storage tank through an evaporation gas pipeline control valve and a filling pipeline control valve respectively, and a filling pipeline joint and an evaporation gas pipeline joint which are connected with the outside are correspondingly arranged in the filling joint box;
the first integrated device also comprises a first liquid outlet control valve connected with the storage tank, a first ventilator, a storage tank safe discharge pipeline and an instrument for monitoring the temperature, the pressure and the liquid level of the storage tank, wherein a storage tank safety valve is arranged on the storage tank safe discharge pipeline;
a second integrated device is arranged at one end, close to the rear end, in the box-type frame and comprises a second LNG vaporizer, a second NG heater, a second liquid outlet control valve and a second ventilator, the second liquid outlet control valve and the second ventilator are connected with the storage tank, the first LNG vaporizer and the first NG heater, the second LNG vaporizer and the second NG heater are respectively connected in series between the heating medium pipeline inlet joint and the heating medium pipeline outlet joint, and the gas supply pipeline joint is connected with the first NG heater and the second NG heater;
the first integrated device and the second integrated device are both provided with a pipeline safety discharge pipeline and an instrument for detecting the pressure and the temperature of the pipeline, and a pipeline safety valve is arranged on the pipeline safety discharge pipeline.
Further, the first integrated device and the second integrated device are respectively provided with a gas leakage probe for detecting whether gas leaks from two ends of the box-type frame.
Further, the storage tank is of a double-shell insulation type or a single-shell insulation type.
Furthermore, a safety valve gas collecting pipe is arranged at the top of the box-type frame and is connected with the storage tank safety valve and the pipeline safety valve, a discharge joint is arranged at the position, close to the middle position, of the gas collecting pipe, and no matter whether the first integrated device or the second integrated device works, gas discharged by the jumping of the safety valve is discharged by the gas collecting pipe, so that the structure is more compact and efficient, and the management is convenient.
Furthermore, box frame's top is equipped with the ventilation blast pipe, the both ends of ventilation blast pipe are connected respectively first ventilation blower and second ventilation blower, the ventilation blast pipe is close to intermediate position department and is equipped with the ventilation joint for concentrate the discharge via the air that first ventilation blower and second ventilation blower carried, improve space utilization, retrench the structure, be convenient for arrange.
Furthermore, two ends of the box-type frame are respectively provided with a double-door device, and the box-type frame is also provided with a ventilation inlet close to the two ends.
Further, the size of the box frame is the standard size of the international standard container 20GP, 30GP or 40 GP.
Has the advantages that: compared with the prior art, the container type redundant LNG gas supply system provided by the utility model comprises the storage tank and the integrated processing device, which are all integrated in the box type frame with the external shape meeting the size of the standard container, so that the structure is very compact, the standardized advanced batch processing and manufacturing are convenient, the manufacturing cost is greatly reduced, and the popularization and the application are convenient; meanwhile, the details of the arrangement of internal equipment of the gas supply system can be not considered on the ship, the preparation work of an external pipeline is made in advance according to the corresponding position, and then the container type redundant LNG gas supply system integrated device is only required to be integrally hoisted and installed in place, so that the complexity and difficulty of installation and implementation are greatly reduced; if the gas supply system needs to be maintained, the gas supply system can be integrally and conveniently replaced due to the uniformity of the equipment, so that the maintenance efficiency of the ship is effectively improved; furthermore, the utility model discloses still considered the redundancy design that satisfies the security requirement, when the air feeder of one end goes wrong wherein, through control system automatic switch-over to other end work, effectively improved the reliability of system, and reduced the cost of redundancy design.
Drawings
Fig. 1 is a schematic structural diagram of a container type redundant LNG gas supply system according to a preferred embodiment of the present application.
Fig. 2 is a right side view of a container type redundant LNG gas supply system according to a preferred embodiment of the present application.
Fig. 3 is a left side view of a container type redundant LNG gas supply system according to a preferred embodiment of the present application.
Fig. 4 is a schematic structural diagram of a double door device in the present application.
Wherein 1-the storage tank, 11-the front end, 12-the rear end, 13-the first discharge control valve, 14-the first ventilator, 15-the storage tank safety vent line, 151-the storage tank safety valve, 2-the box frame, 21-the gas header, 22-the vent connection, 23-the vent gas pipe, 24-the vent connection, 25-the double door device, 26-the vent inlet, 3-the heating medium and gas supply pipe connection box, 31-the first LNG vaporizer, 32-the first NG heater, 4-the filling connection box, 41-the boil-off gas line control valve, 42-the filling line control valve, 43-the filling line connection, 44-the boil-off gas line connection, 5-the electrical and instrumentation box, 61-the second discharge control valve, 62-the second ventilator, 63-second NG heater, 64-line safety vent line, 641-line safety valve.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 4, the utility model provides a redundant LNG gas supply system of container formula, including C type LNG storage tank 1 and control system, the right-hand member of storage tank 1 is preceding tip 11, and the left end of storage tank 1 is rear end 12 still includes fixed stay the box frame 2 of storage tank 1, storage tank 1 is located in box frame 2, and box frame 2 is applicable to 20 GP's container, 30 GP's container or 40 GP's container, or other sizes, do not do the detailed restriction here;
the right end of the box-type frame 2 is provided with a first integrated device connected with the storage tank 1, the first integrated device comprises a heating medium and gas supply pipe joint box 3 close to the lower right corner, a filling joint box 4 close to the lower left corner and an electric and instrument box 5 close to the middle left part, a heating medium pipeline inlet joint, a heating medium pipeline outlet joint and a gas supply pipeline joint are arranged in the heating medium and gas supply pipe joint box 3, a first LNG gasifier 31 and a first NG heater 32 are arranged at the top of the heating medium and gas supply pipe joint box, the heating medium pipeline joint is connected with the first LNG gasifier 31 and the first NG heater 32 through a heating medium pipeline, LNG is heated and gasified and then is connected to the gas supply pipeline joint through the gas supply pipeline, the filling joint box 4 is connected with the storage tank 1 through an evaporation gas pipeline control valve 41 and a NG pipeline control valve 42 respectively, the filling joint box 4 is correspondingly provided with a filling pipeline joint 43 and an evaporation gas pipeline joint 44 which are connected with the outside, the filling joint 43 is used for connecting an external filling pipeline so as to fill LNG into the storage tank 1 through the filling pipeline control valve 42, and the evaporation gas pipeline joint 44 is used for recovering evaporation gas generated by the storage tank 1 in the filling process through the evaporation gas pipeline control valve 41;
the first integrated device further comprises a first liquid outlet control valve 13, a first ventilator 14, a storage tank safety discharge pipeline 15 and an instrument for monitoring the temperature, pressure and liquid level of the storage tank 1, wherein the storage tank safety discharge pipeline 15 is provided with a storage tank safety valve 151 for maintaining the pressure in the storage tank 1 to avoid the overhigh pressure of the storage tank 1, the first liquid outlet control valve 13 is used for adjusting the air supply pressure and cutting off the air supply in emergency, and the first ventilator 14 at the upper left corner is used for maintaining the minimum ventilation times of the space in which the first integrated device is located to meet the standard requirements;
a second integrated device is arranged at one end, close to the rear end part 12, in the box-type frame 2, and comprises a second LNG vaporizer, a second NG heater 63, a second liquid outlet control valve 61 and a second ventilator 62 which are connected with the storage tank 1, a first LNG vaporizer 31 and a first NG heater 32 are respectively connected in series between the heating medium pipeline inlet joint and the heating medium pipeline outlet joint, and the second LNG vaporizer and the second NG heater 63 are respectively connected in series, the gas supply pipeline joint is connected with the first NG heater 32 and the second NG heater 63, when one device at one end is in fault, the other end processing device is ensured to be automatically switched through a control system, and therefore the continuous operation of a gas supply system is ensured;
the first integrated device and the second integrated device are both provided with a pipeline safety discharge pipeline 64 and an instrument for detecting pipeline pressure and temperature, and the pipeline safety discharge pipeline 64 is provided with a pipeline safety valve 641 for maintaining the pressure in each pipeline where the control valve needs to be installed and avoiding overhigh pressure.
Preferably, the first integrated device and the second integrated device are respectively provided with a gas leakage probe for detecting whether gas leakage exists at two ends of the box-type frame.
Preferably, the tank 1 for the gas supply system is applicable to both double-shell insulated tanks and single-shell insulated tanks.
Preferably, a safety valve header 21 is provided on the top of the box frame 2, the header 21 connects the tank safety valve 151 and the pipeline safety valve 641, and the header 21 is provided with a discharge connector 22 near the middle position, regardless of the first integrated device or the second integrated device, wherein the gas discharged due to the safety valve jumping is discharged from the header 21, so that the structure is more compact and efficient, and the management is convenient.
Preferably, a ventilation and exhaust pipe 23 is arranged at the top of the box-type frame 2, two ends of the ventilation and exhaust pipe 23 are respectively connected with the first ventilator 14 and the second ventilator 62, and a ventilation joint 24 is arranged at a position of the ventilation and exhaust pipe 23 close to the middle position and is used for intensively exhausting air conveyed by the first ventilator 14 and the second ventilator 62, so that the space utilization rate is improved, the structure is simplified, and the arrangement is convenient.
Preferably, the box frame 2 is provided at both ends thereof with double door devices 25, respectively, so that the areas where the first and second integrated devices are located are each one air supply system treatment room, and the box frame 2 is further provided near both ends thereof with ventilation inlets 26.
It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. A container type redundant LNG supply system comprises a C-shaped LNG storage tank and a control system, wherein the storage tank is provided with a front end part and a rear end part which are opposite, and the container type redundant LNG supply system is characterized by further comprising a box type frame which fixedly supports the storage tank, and the storage tank is positioned in the box type frame;
a first integration device connected with the storage tank is arranged at one end, close to the front end, in the box-type frame and comprises a heating medium and gas supply pipe joint box, a filling joint box and an electric and instrument box, wherein a heating medium pipeline inlet joint, a heating medium pipeline outlet joint and a gas supply pipeline joint are arranged in the heating medium and gas supply pipe joint box, a first LNG vaporizer and a first NG heater are arranged at the top of the heating medium and gas supply pipe joint box, the filling joint box is connected with the storage tank through an evaporation gas pipeline control valve and a filling pipeline control valve respectively, and a filling pipeline joint and an evaporation gas pipeline joint which are connected with the outside are correspondingly arranged in the filling joint box;
the first integrated device also comprises a first liquid outlet control valve connected with the storage tank, a first ventilator, a storage tank safe discharge pipeline and an instrument for monitoring the temperature, the pressure and the liquid level of the storage tank, wherein a storage tank safety valve is arranged on the storage tank safe discharge pipeline;
a second integrated device is arranged at one end, close to the rear end, in the box-type frame and comprises a second LNG vaporizer, a second NG heater, a second liquid outlet control valve and a second ventilator, the second liquid outlet control valve and the second ventilator are connected with the storage tank, the first LNG vaporizer and the first NG heater, the second LNG vaporizer and the second NG heater are respectively connected in series between the heating medium pipeline inlet joint and the heating medium pipeline outlet joint, and the gas supply pipeline joint is connected with the first NG heater and the second NG heater;
the first integrated device and the second integrated device are both provided with a pipeline safety discharge pipeline and an instrument for detecting the pressure and the temperature of the pipeline, and a pipeline safety valve is arranged on the pipeline safety discharge pipeline.
2. The container type redundant LNG gas supply system of claim 1, wherein the first and second integrated devices are respectively provided with a gas leakage probe.
3. The container-type redundant LNG gas supply system of claim 1, wherein the storage tank is of a double-hull insulated type or a single-hull insulated type.
4. The container type redundant LNG gas supply system of claim 1, wherein a safety valve manifold is provided at the top of the container type frame, the manifold connecting the storage tank safety valve and the pipeline safety valve, the manifold being provided with a discharge joint near a middle position.
5. The container type redundant LNG gas supply system of claim 1, wherein a ventilation and exhaust pipe is provided at a top of the container type frame, both ends of the ventilation and exhaust pipe are respectively connected to the first ventilator and the second ventilator, and a ventilation joint is provided near a middle position of the ventilation and exhaust pipe.
6. The container type redundant LNG gas supply system of claim 1, wherein the container type frame is provided with double door devices at both ends thereof, respectively, and is further provided with ventilation inlets near both ends thereof.
7. The containerized redundant LNG gas supply system of claim 1, wherein the dimensions of the containment frame are the standard dimensions of an international standard container 20GP, 30GP or 40 GP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454281.9U CN212132013U (en) | 2020-04-01 | 2020-04-01 | Container type redundant LNG (liquefied Natural gas) supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454281.9U CN212132013U (en) | 2020-04-01 | 2020-04-01 | Container type redundant LNG (liquefied Natural gas) supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212132013U true CN212132013U (en) | 2020-12-11 |
Family
ID=73686472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020454281.9U Active CN212132013U (en) | 2020-04-01 | 2020-04-01 | Container type redundant LNG (liquefied Natural gas) supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212132013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247469A (en) * | 2021-06-16 | 2021-08-13 | 南通俊安制冷科技有限公司 | Portable pipeline support assembly for tank container |
| WO2024098700A1 (en) * | 2022-11-11 | 2024-05-16 | 中车长江车辆有限公司 | Lng fuel tank container for shared ship |
-
2020
- 2020-04-01 CN CN202020454281.9U patent/CN212132013U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247469A (en) * | 2021-06-16 | 2021-08-13 | 南通俊安制冷科技有限公司 | Portable pipeline support assembly for tank container |
| CN113247469B (en) * | 2021-06-16 | 2021-09-17 | 南通俊安制冷科技有限公司 | Portable pipeline support assembly for tank container |
| WO2024098700A1 (en) * | 2022-11-11 | 2024-05-16 | 中车长江车辆有限公司 | Lng fuel tank container for shared ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212132013U (en) | Container type redundant LNG (liquefied Natural gas) supply system | |
| CN218819633U (en) | Integrated solid hydrogen storage and supply device | |
| CN209294794U (en) | A kind of high-purity ammon tank car emergency air supply system | |
| CN217843508U (en) | Liquid hydrogen pressurization system and vehicle | |
| CN217496453U (en) | LNG power ship | |
| CN207539623U (en) | A kind of novel automobile list gas cylinder LNG systems | |
| CN210400071U (en) | Double-layer superposed heat exchanger for LNG power ship | |
| CN211176290U (en) | Novel skid-mounted hydrogen filling station | |
| CN210687129U (en) | Ventilation isolated safety valve box | |
| CN215411406U (en) | Liquid nitrogen container based on BOG | |
| CN219841388U (en) | Ship LNG (liquefied Natural gas) storage and supply system using movable fuel tank | |
| CN220870605U (en) | Liquefied gas storage equipment with buffer structure | |
| CN211574765U (en) | Integrated liquid nitrogen gas injection system | |
| CN213528677U (en) | Mercury-free catalyst chloroethylene converter | |
| CN210601054U (en) | Divide unit to supply ammonia system | |
| CN219677300U (en) | Marine hydrogen fuel cell system and ship | |
| CN217559577U (en) | Pressure switching device | |
| CN109458553A (en) | A kind of high-purity ammon tank car emergency air supply system | |
| CN213976970U (en) | Water removal device of hydrogen recovery system | |
| CN219433060U (en) | Quick-change hydrogen storage and supply system | |
| CN219571615U (en) | LNG double-gun liquid adding machine | |
| CN218064408U (en) | BOG system is with promoting LNG gasification ability device | |
| CN215335786U (en) | Liquid unloading device for liquefied gas transport vehicle | |
| CN218495444U (en) | Mixed refrigerant gas leakage recovery system and natural gas liquefaction system | |
| CN214892641U (en) | Waste heat recovery device for heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210526 Address after: Room 5290, building e, 555 Dongchuan Road, Minhang District, Shanghai Patentee after: Shengrui Shipbuilding Technology Engineering (Shanghai) Co.,Ltd. Address before: 18 / F, 922 Hengshan Road, Xuhui District, Shanghai Patentee before: Wu Yanfeng |