CN218494751U

CN218494751U - LNG gasification pressure regulating measurement sled that unloads

Info

Publication number: CN218494751U
Application number: CN202222942085.8U
Authority: CN
Inventors: 刘文鑫; 李希勤; 刘合瑞; 杨帅涛
Original assignee: Handan Tairong Natural Gas Sales Co ltd
Current assignee: Hebei Tairong Energy Equipment Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-02-17
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a LNG gasification pressure regulating measurement sled that unloads, which comprises a platform, platform bottom fixedly connected with vaporizer, vaporizer one side fixedly connected with holding vessel, holding vessel top fixedly connected with pipeline, platform top fixed mounting has the insulation can, the insulation can top is equipped with the connection opening, pipeline top fixed mounting has the check valve, install the heat preservation connecting pipe on the check valve, fixed mounting has the shading ring on the connection opening, install the gasbag on the inner wall of shading ring, fixed mounting has the heater in the insulation can. The beneficial effects of the utility model are that, in preventing that outside air conditioning from getting into the insulation can, can heat the position of pipeline, heat preservation connecting pipe and butt joint, improved the heating effect, after the heater is closed, the inside constant temperature state that also is in of insulation can, the electric quantity that needs to consume is little, and is energy-concerving and environment-protective, has improved work efficiency, has improved the efficiency of unloading.

Description

LNG gasification pressure regulating measurement sled that unloads

Technical Field

The utility model relates to an energy transportation technical field specifically is a LNG gasification pressure regulating measurement sled that unloads.

Background

LNG is cooled to-162 ℃ under normal pressure, and is condensed into liquid, the liquefied natural gas greatly saves storage and transportation space, and is clean and efficient energy, the LNG needs to be subjected to a gasification pressure regulation metering process before use, the liquid LNG transported by an LNG tank car firstly passes through an unloading process, an unloading pressurization vaporizer arranged in a station is used for boosting the pressure of the tank container car, but the interface between the tank car and an in-station storage tank is often frozen due to low temperature during unloading of the LNG, so that the interface separation is difficult, and natural ice or manual auxiliary ice melting is needed.

In the prior patent, application number 202022622136. X, LNG gasification pressure regulating measurement sled of unloading is disclosed, by the gas filling through heater heating when the gasbag is expanding, reach the effect that makes the gasbag carry out the heating to the pipe, however, only can heat the position of butt joint through the gasbag heating, can not heat the pipeline, because the pipeline exposes outside, the position of butt joint can be conducted to the low temperature of pipeline when the difference in temperature is great, the temperature at butt joint position has been reduced, the efficiency speed of LNG conversion receives certain influence, the pipeline is heated unevenly, the life of pipeline has been reduced.

The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a LNG gasification pressure regulating measurement sled that unloads has been designed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a LNG gasification pressure regulating measurement sled that unloads, includes the platform, platform bottom fixedly connected with vaporizer, vaporizer one side fixedly connected with holding vessel, holding vessel top fixedly connected with pipeline, platform top fixed mounting has the insulation can, the pipeline top is run through and is stretched into in the insulation can, the insulation can top is equipped with the connection opening, pipeline top fixed mounting has the check valve, install the heat preservation connecting pipe on the check valve, fixed mounting has the ring of sheltering from on the connection opening, shelter from and install the gasbag on the inner wall of ring, fixed mounting has the heater in the insulation can.

Further, the inside fixed mounting of insulation can has the heat insulating board, the insulation board separates the insulation can for two cavities, the heat insulating board left side is the heat insulating chamber, the insulation board right side is the heating chamber, pipeline, heat preservation connecting pipe are located the heating intracavity.

Further, a miniature air pump is installed in the heat insulation cavity, a connecting air pipe is fixedly installed at the output end of the miniature air pump, and one end of the connecting air pipe penetrates through the heat insulation plate and is fixedly connected with the air inlet end of the air bag.

Furthermore, a heat conducting rod is fixedly mounted on one side of the heater, a heat conducting plate is fixedly mounted at one end of the heat conducting rod, and the heat conducting plate is located on one side of the pipeline and the heat-insulation connecting pipe.

Furthermore, a thread groove is arranged in the heat-preservation connecting pipe, and an exhaust valve is arranged on the air bag.

Further, the heat preservation box, the heat preservation connecting pipe and the shielding circular ring are made of heat preservation materials, and the heat insulation plate is made of high-temperature-resistant heat insulation materials.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. through the heater, the heat conduction stick, the heat-conducting plate heats the inside of the insulation can, seal sheltering from the ring through the gasbag, prevent that outside air conditioning from getting into in the insulation can, can heat the pipeline, the position of heat preservation connecting pipe and butt joint, heating effect has been improved, the insulation can, the heat preservation connecting pipe, shelter from the ring and adopt the heat preservation material, after the heater is closed, the inside constant temperature state that also is in of insulation can, the electric quantity that needs to consume is little, energy-concerving and environment-protective, prevent through the heating that the butt joint from freezing fixedly because of the low temperature, the time that the butt joint punishment leaves needs has been reduced, work efficiency is improved, because can be to the pipeline, the heat preservation connecting pipe, the butt joint heats, make pipeline be under the constant temperature state, guarantee that liquid LNG can be quick advance the gasification attitude, the efficiency of unloading is improved, prevent the inhomogeneous damage of pipeline temperature, pipeline life has been improved.

2. The miniature air pump is installed at thermal-insulated intracavity, and the high temperature in the heating chamber is isolated through the heat insulating board, prevents that miniature air pump from damaging because of high temperature, has improved the life of miniature air pump.

Drawings

Fig. 1 is the utility model relates to a LNG structure schematic diagram of gasification pressure regulating measurement sled that unloads.

Fig. 2 is an enlarged sectional view of the incubator.

Fig. 3 is a schematic plan view of the incubator.

In the figure: 1. a station; 2. a gasifier; 3. a storage tank; 4. a pipeline; 5. a heat preservation box; 6. a connection opening; 7. a one-way valve; 8. a heat-insulating connecting pipe; 9. shielding the circular ring; 10. an air bag; 11. a heater; 12. a heat insulation plate; 13. a thermally insulating cavity; 14. a heating cavity; 15. a miniature air pump; 16. connecting an air pipe; 17. a heat conducting rod; 18. a heat conducting plate; 19. a thread groove; 20. an exhaust valve.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-3: the LNG unloading gasification pressure regulating and metering pry comprises a platform 1, wherein the bottom of the platform 1 is fixedly connected with a gasifier 2, one side of the gasifier 2 is fixedly connected with a storage tank 3, the top of the storage tank 3 is fixedly connected with a pipeline 4, the top of the platform 1 is fixedly provided with an insulation can 5, the top end of the pipeline 4 penetrates through and extends into the insulation can 5, the top of the insulation can 5 is provided with a connecting opening 6, the top end of the pipeline 4 is fixedly provided with a one-way valve 7, the one-way valve 7 is provided with an insulation connecting pipe 8, the connecting opening 6 is fixedly provided with a shielding ring 9, the inner wall of the shielding ring 9 is provided with an airbag 10, and the insulation can 5 is fixedly provided with a heater 11; a heat insulation plate 12 is fixedly arranged in the heat insulation box 5, the heat insulation plate 12 divides the heat insulation box 5 into two chambers, a heat insulation cavity 13 is arranged on the left side of the heat insulation plate 12, a heating cavity 14 is arranged on the right side of the heat insulation plate 12, and the pipeline 4 and the heat insulation connecting pipe 8 are positioned in the heating cavity 14; a miniature air pump 15 is installed in the heat insulation cavity 13, a connecting air pipe 16 is fixedly installed at the output end of the miniature air pump 15, and one end of the connecting air pipe 16 penetrates through the heat insulation plate 12 and is fixedly connected with the air inlet end of the air bag 10; a heat conducting rod 17 is fixedly arranged on one side of the heater 11, a heat conducting plate 18 is fixedly arranged at one end of the heat conducting rod 17, and the heat conducting plate 18 is positioned on one side of the pipeline 4 and the heat-insulating connecting pipe 8; a thread groove 19 is formed in the heat-preservation connecting pipe 8, and an exhaust valve 20 is arranged on the air bag 10; the heat preservation box 5, the heat preservation connecting pipe 8 and the shielding circular ring 9 are made of heat preservation materials, and the heat insulation plate 12 is made of high-temperature-resistant heat insulation materials.

The working principle of the embodiment is as follows: the electric equipment used by the device is controlled by an external controller, the tank car interface extends into the shielding ring 9, and is in threaded connection with the thread groove 19 on the heat-insulating connecting pipe 8;

before heating, an air bag 10 is installed on the inner wall of a shielding circular ring 9, a heater 11 is fixedly installed in an insulation box 5, a miniature air pump 15 is installed in a heat insulation cavity 13, a connecting air pipe 16 is fixedly installed at the output end of the miniature air pump 15, one end of the connecting air pipe 16 penetrates through a heat insulation plate 12 and is fixedly connected with the air inlet end of the air bag 10, the miniature air pump 15 starts to work firstly, the miniature air pump 15 inflates the air bag 10 through the connecting air pipe 16, the air bag 10 inflates and is in contact with a tank car interface, the shielding circular ring 9 is sealed through the air bag 10, and external cold air is prevented from entering the insulation box;

when heating, the heater 11 starts to work firstly, a heat conducting rod 17 is fixedly arranged on one side of the heater 11, a heat conducting plate 18 is fixedly arranged at one end of the heat conducting rod 17, the heat conducting plate 18 is positioned on one side of the pipeline 4 and the heat-insulating connecting pipe 8, the heater 11 heats, heat is conducted to the heat conducting plate 18 through the heat conducting rod 17, the heat conducting plate 18 is positioned on one side of the pipeline 4 and the heat-insulating connecting pipe 8, the pipeline 4, the heat-insulating connecting pipe 8 and a butt joint part can be heated, the heating effect is improved, the heat-insulating box 5, the heat-insulating connecting pipe 8 and the shielding ring 9 are made of heat-insulating materials, after the heater 11 is closed, the inside of the heat-insulating box 5 is also in a constant temperature state, the electric quantity to be consumed is small, energy is saved and the environment is protected, the butt joint part is prevented from being frozen and fixed due to low temperature through heating, the time that the butt joint department separation needs has been reduced, the work efficiency is improved, because can be to pipeline 4, heat preservation connecting pipe 8, the butt joint department heats, make pipeline be in under the constant temperature state, guarantee that liquid LNG can be quick advance gasification attitude, the efficiency of unloading is improved, liquid LNG gets into holding vessel 3 behind through check valve 7 and pipeline 4, prevent the inhomogeneous damage of pipeline temperature, the service life of the pipeline is prolonged, miniature air pump 15 is installed in thermal-insulated chamber 13, isolate the high temperature in the heating chamber 14 through heat insulating board 12, prevent that miniature air pump 15 from damaging because of high temperature, the life of miniature air pump 15 is improved, after the unloading finishes, open exhaust valve 20 on the gasbag 10, discharge the gas in the gasbag 10, take out the tank wagon interface from sheltering from ring 9 again.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a LNG gasification pressure regulating measurement sled that unloads, includes platform (1), platform (1) bottom fixedly connected with vaporizer (2), vaporizer (2) one side fixedly connected with holding vessel (3), holding vessel (3) top fixedly connected with pipeline (4), its characterized in that, platform (1) top fixed mounting has insulation can (5), pipeline (4) top is run through and is stretched into in insulation can (5), insulation can (5) top is equipped with connection opening (6), pipeline (4) top fixed mounting has check valve (7), install heat preservation connecting pipe (8) on check valve (7), fixed mounting has on connection opening (6) and shelters from ring (9), shelter from on the inner wall of ring (9) and install gasbag (10), fixed mounting has heater (11) in insulation can (5).

2. The LNG gasification pressure regulating and metering pry that unloads according to claim 1, wherein a heat insulation plate (12) is fixedly installed inside the heat insulation box (5), the heat insulation plate (12) separates the heat insulation box (5) into two chambers, a heat insulation cavity (13) is arranged on the left side of the heat insulation plate (12), a heating cavity (14) is arranged on the right side of the heat insulation plate (12), and the pipeline (4) and the heat insulation connecting pipe (8) are located in the heating cavity (14).

3. The LNG gasification pressure regulating and metering pry that unloads according to claim 2, characterized in that a miniature air pump (15) is installed in the heat insulation cavity (13), a connecting air pipe (16) is fixedly installed at an output end of the miniature air pump (15), and one end of the connecting air pipe (16) penetrates through the heat insulation plate (12) and is fixedly connected with an air inlet end of the air bag (10).

4. An LNG unloading gasification pressure regulating and metering pry as claimed in claim 1, characterized in that a heat conducting rod (17) is fixedly mounted on one side of the heater (11), a heat conducting plate (18) is fixedly mounted at one end of the heat conducting rod (17), and the heat conducting plate (18) is located on one side of the pipeline (4) and the heat insulating connecting pipe (8).

5. An LNG unloading gasification pressure regulating and metering pry as claimed in claim 1, characterized in that a thread groove (19) is formed in the heat-insulating connecting pipe (8), and an air exhaust valve (20) is arranged on the air bag (10).

6. The LNG gasification pressure regulating and metering skid of unloading of claim 2, wherein the insulation can (5), the insulation connecting pipe (8) and the shielding ring (9) are made of insulation material, and the insulation board (12) is made of high temperature resistant insulation material.