CN211423976U

CN211423976U - LNG storage tank is used in liquefied natural gas production

Info

Publication number: CN211423976U
Application number: CN202020012213.7U
Authority: CN
Inventors: 杨博; 刘学伟; 杨丽; 杨润海; 范翔
Original assignee: Inner Mongolia Tianyuyuan New Energy Co ltd
Current assignee: Inner Mongolia Tianyuyuan New Energy Co ltd
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-09-04
Anticipated expiration: 2030-01-04

Abstract

The utility model discloses a LNG storage tank for liquefied natural gas production, including the gas holder, the kicking block has all been welded at the top of gas holder, the steelframe has been inserted to the inboard of kicking block, the welding of one side of steelframe has the support frame, the inboard rotation of support frame is connected with the pivot, the support frame has the spring with the crossing joint of pivot, the outside winding of pivot has the puggaree, the one end joint of puggaree has the rope, the bottom welding of gas holder has the supporting leg, the through-hole has been seted up to the surface of supporting leg, the inboard welding of supporting leg has the bottom plate, the trachea has been run through to the side of gas holder, tracheal top embedding has the rotary valve, install. The utility model discloses a bottom plate that sets up increases the lifting surface area of supporting leg and railway carriage, and increases the fixity between the supporting leg, can make gas holder and railway carriage more steady, great increase the security of gas holder warehousing and transportation.

Description

LNG storage tank is used in liquefied natural gas production

The technical field is as follows:

the utility model relates to a storage tank technical field specifically is a LNG storage tank is used in liquefied natural gas production.

Background art:

the LNG storage tank is a professional product for storing liquefied natural gas, special equipment, a three-class pressure container and a 06Ni9DR material, and is manufactured through the processes of flaw detection, hydrostatic pressure test, on-site test of a technical supervision bureau, issuing of a pressure container test certificate, external rust removal and paint spraying and the like.

However, in the existing LNG storage tank for producing liquefied natural gas, when the LNG storage tank is transported, the stressed area of the gas storage tank and the carriage is small, so that the storage is not stable enough, the storage and transportation safety of the gas storage tank is reduced, and the sun insolates the gas storage tank, so that the temperature of the gas storage tank is easily increased, the temperature of natural gas in the gas storage tank is increased, and the temperature of natural gas in the gas storage tank is increased, so that the storage safety of natural gas is reduced, the temperature monitoring of natural gas in the gas storage tank is troublesome, the natural gas in the gas storage tank is high, so that the risk is high, and in addition, the heat insulation. Therefore, the LNG storage tank for liquefied natural gas production is designed.

The utility model has the following contents:

an object of the utility model is to provide a LNG storage tank is used in liquefied natural gas production to solve the problem that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement:

an LNG storage tank for liquefied natural gas production comprises a gas storage tank, wherein top blocks are welded at the tops of the gas storage tank, a steel frame is inserted into the inner sides of the top blocks, a support frame is welded at one side of the steel frame, a rotating shaft is rotatably connected to the inner side of the support frame, a spring is clamped at the intersection of the support frame and the rotating shaft, sunshade cloth is wound on the outer side of the rotating shaft, a rope is clamped at one end of the sunshade cloth, supporting legs are welded at the bottoms of the gas storage tank, through holes are formed in the outer surfaces of the supporting legs, and bottom plates are welded at the inner;

the side of gas holder runs through there is the trachea, tracheal top embedding has the rotation valve, the trachea is kept away from the one end welding of rotation valve and is had the flange, gas pocket and screw are seted up respectively to the side of flange, install the temperature control table directly over the trachea, install the manometer directly over the temperature control table, the inner wall packing of gas holder has the insulating layer.

Preferably, the bottom plate is provided with two, two the bottom plate all is located the inboard of supporting leg bottom, the bottom plate welds in the inboard of supporting leg.

Preferably, the heat insulation layer is made of a vacuum heat insulation plate and is positioned between the shell and the inner container of the air storage tank.

Preferably, the support frame comprises a rotating shaft on the inner side of the support frame, sunshade cloth on the outer side of the rotating shaft and a rope at one end of the sunshade cloth, and the rope is clamped with one end of the sunshade cloth.

Preferably, a pointer is arranged in the temperature control meter, the temperature control meter is located right below the pressure gauge, and the temperature control meter is mounted on the side face of the air storage tank.

Preferably, the number of the through holes is four, the four through holes are opposite in pairs, and the through holes are formed in the outer surfaces of the supporting legs.

The utility model has the advantages that:

1. the utility model discloses when the transport, the staff inserts the cable wire in passing through the through-hole on the supporting leg with the gas holder at first, hang the gas holder to the vehicle that needs the warehousing and transportation, it is fixed with the vehicle again with rope in the through-hole, and make the inboard bottom plate of supporting leg and supporting leg place on the car steadily, and the inboard bottom plate of supporting leg is provided with two, two bottom plates are located the inboard of supporting leg bottom, can strengthen the lifting surface area of supporting leg and railway carriage like this, and can also increase the fixity between the supporting leg, can make gas holder and railway carriage more steady, great increase the security of gas holder warehousing and transportation, it is little to prevent the lifting surface area of gas holder and railway carriage, lead to placing unstably, and when the gas holder has fixed needs the position, the staff can insert the steelframe in the kicking block that the gas holder is close to top both sides, and the puggaree on the support frame of pulling stee The puggaree pull open for the puggaree can be spread out on the steelframe, and the sunshade can reduce the shining of sun to the gas holder effectively, thereby avoids the sun to insolate the gas holder, leads to the temperature of gas holder to increase and make the inside natural gas temperature of gas holder improve, thereby has improved the security that the natural gas stored.

2. The utility model discloses when the gas holder stores the natural gas, the staff can be through the control by temperature change table of regularly looking over gas storage tank one side, and the control by temperature change table can monitor the temperature in the natural gas, temperature in the natural gas is recorded and is synchronous through the control by temperature change table, thereby know and prevent the temperature condition of the natural gas in the gas storage tank, thereby can avoid the natural gas high temperature in the gas storage tank in order to reduce danger, and the insulating layer that sets up between the shell of gas holder and the inner bag is made by vacuum insulation board (VIP board), can avoid the heat transfer that the air convection arouses effectively, therefore the coefficient of heat conductivity can reduce by a wide margin, the temperature of isolated gas holder shell that can be great like this, natural gas temperature in the inner bag protects, the security of gas storage tank has been improved.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the gas tank structure of the present invention;

fig. 3 is a schematic view of a partial structure of the support frame of the present invention.

In the figure: 1. a pressure gauge; 2. a temperature control meter; 3. a rotary valve; 4. air holes; 5. a screw hole; 6. A flange; 7. an air tube; 8. a through hole; 9. a base plate; 10. supporting legs; 11. a gas storage tank; 1101. A thermal insulation layer; 12. a top block; 13. a steel frame; 14. a rope; 15. a sun-shading cloth; 1501. a spring; 1502. a support frame; 1503. a rotating shaft.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: the utility model provides a LNG storage tank for liquefied natural gas production, including gas holder 11, kicking block 12 has all been welded at gas holder 11's top, steelframe 13 has been inserted to the inboard of kicking block 12, there is support frame 1502 in one side welding of steelframe 13, support frame 1502's inboard is rotated and is connected with pivot 1503, support frame 1502 has spring 1501 with the crossing joint of pivot 1503, the outside winding of pivot 1503 has puggaree 15, puggaree 15's one end joint has rope 14, gas holder 11's bottom welding has supporting leg 10, through-hole 8 has been seted up to supporting leg 10's surface, the inboard welding of supporting leg 10 has.

The trachea 7 has been run through to the side of gas holder 11, and the top embedding of trachea 7 has rotation valve 3, and the one end welding that rotation valve 3 was kept away from to trachea 7 has flange 6, and gas pocket 4 and screw 5 have been seted up respectively to the side of flange 6, installs temperature control table 2 directly over trachea 7, installs manometer 1 directly over temperature control table 2, and the inner wall packing of gas holder 11 has insulating layer 1101.

In this embodiment, specifically, bottom plate 9 is provided with two, two bottom plates 9 all are located the inboard of supporting leg 10 bottom, bottom plate 9 welds in the inboard of supporting leg 10, can increase the lifting surface area of supporting leg 10 and railway carriage like this, and can also increase the fixity between the supporting leg 10, can make gas holder 11 and railway carriage more steady, great increase the security that gas holder 11 stored and transported, it is little to prevent that the lifting surface area in gas holder 11 and railway carriage from leading to placing unstably.

In this embodiment, specifically, the thermal insulation layer 1101 is made of a vacuum thermal insulation board, and the thermal insulation layer 1101 is located between the outer shell and the inner container of the gas storage tank 11, so that heat transfer caused by air convection can be effectively avoided, and thus the heat conductivity coefficient can be greatly reduced, thereby greatly isolating the temperature of the outer shell of the gas storage tank 11, protecting the temperature of natural gas in the inner container, and improving the safety of gas storage.

In this embodiment, specifically, the support frame 1502 includes the rope 14 of the puggaree 15 and the puggaree 15 one end outside the inboard pivot 1503 and the pivot 1503 of support frame 1502, the one end of rope 14 joint and puggaree 15, the puggaree 15 on the support frame 1502 of pulling 13 top one side can pull open the puggaree 15 that rope 14 end was tied up through the rope 14 of putting perpendicularly in the gas holder 11 bottom, make puggaree 15 can be spread out on steelframe 13 flatly, the sunshade can reduce the shining of sun to gas holder 11 effectively, thereby avoid the sun to insolate gas holder 11, lead to the temperature of gas holder 11 to increase and make the inside natural gas temperature of gas holder 11 improve, thereby the security of natural gas storage has been improved.

In this embodiment, it is concrete, be provided with the pointer in the table of control by temperature change table 2, control by temperature change table 2 is located manometer 1 under, control by temperature change table 2 installs in the side of gas holder 11, the staff can be through regularly looking over control by temperature change table 2 of gas storage tank one side, and control by temperature change table 2 can monitor the temperature in the natural gas, pass through control by temperature change table 2 with the temperature in the natural gas and record and synchronous, thereby know and prevent the temperature condition of the natural gas in the gas holder 11, thereby can avoid the natural gas high temperature in the gas holder 11 in order to reduce danger.

In this embodiment, specifically, four through holes 8 are provided, and four through holes 8 are opposite in pairs, and through hole 8 is seted up in the surface of supporting leg 10, and the staff inserts the cable wire in at first passing through hole 8 on the supporting leg 10 with gas holder 11, hangs gas holder 11 to the vehicle that needs warehousing and transportation, and is fixed with the rope in the through hole 8 with the vehicle again to make gas holder 11 can both be steady no matter hang or fix.

To sum up, the utility model discloses when carrying, the staff inserts the cable wire through the through-hole 8 on the supporting leg 11 at first with the gas holder 11, hang the gas holder 11 to the vehicle that needs warehousing and transportation, fix the rope in the through-hole 8 with the vehicle again, and make the inboard bottom plate 9 of supporting leg 10 and supporting leg 10 place on the car steadily, and the inboard bottom plate 9 of supporting leg 10 is provided with two, two bottom plates 9 are located the inboard of supporting leg 10 bottom, so can increase the lifting surface area of supporting leg 10 and railway carriage, and can also increase the fixity between the supporting leg 10, can make gas holder 11 and railway carriage more steady, great increase the security that the gas holder 11 stores and transports, prevent that the lifting surface area of gas holder 11 and railway carriage is little, lead to placing unstably; when the air storage tank 11 is fixed at a required position, a worker can insert the steel frame 13 into the top blocks 12 of the air storage tank 11 near the two sides of the top, the sunshade cloth 15 on the support bracket 1502 at one side of the top of the steel frame 13 can be pulled to pull open the sunshade cloth 15 bound by the end of the rope 14 through the rope 14 hung at the bottom of the air storage tank 11, so that the sun-shading cloth 15 can be flatly spread on the steel frame 13, the sun-shading can effectively reduce the irradiation of the sun to the gas storage tank 11, when the sunshade cloth 15 needs to be folded, the worker only needs to unwind the rope 14 to make the spring 1501 fixed on the support frame 1502 and the rotating shaft 1503 rebound, so that the sunshade cloth 15 rolls on the rotating shaft 1503, therefore, the gas storage tank 11 is prevented from being exposed to the sun, the temperature of the gas storage tank 11 is increased, the temperature of natural gas in the gas storage tank 11 is increased, and the safety of natural gas storage is improved; when the gas holder 11 stores the natural gas, the staff can be through regularly looking over the control by temperature change table 2 of gas storage tank one side, and control by temperature change table 2 can monitor the temperature in the natural gas, carry out record and synchronization through control by temperature change table 2 with the temperature in the natural gas, thereby know and prevent the temperature condition of the natural gas in the gas holder 11, thereby can avoid the natural gas high temperature in the gas holder 11 in order to reduce danger, and the insulating layer 1101 that sets up between the shell of gas holder 11 and the inner bag is made by vacuum insulation board (VIP board), can avoid the heat transfer that the air convection arouses effectively, therefore the coefficient of heat conductivity can reduce by a wide margin, the temperature of isolated gas holder 11 shell that can be great like this, natural gas temperature in the inner bag is protected, the security of gas storage has been improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LNG storage tank is used in liquefied natural gas production, includes gas holder (11), its characterized in that: the top of the gas storage tank (11) is welded with a top block (12), a steel frame (13) is inserted into the inner side of the top block (12), a support frame (1502) is welded on one side of the steel frame (13), a rotating shaft (1503) is rotatably connected to the inner side of the support frame (1502), a spring (1501) is clamped at the intersection of the support frame (1502) and the rotating shaft (1503), sunshade cloth (15) is wound on the outer side of the rotating shaft (1503), a rope (14) is clamped at one end of the sunshade cloth (15), supporting legs (10) are welded at the bottom of the gas storage tank (11), through holes (8) are formed in the outer surfaces of the supporting legs (10), and a bottom plate (9) is welded on the inner side of the supporting;

the side of gas holder (11) runs through trachea (7), the top embedding of trachea (7) has rotation valve (3), the one end welding of rotation valve (3) is kept away from in trachea (7) has flange (6), gas pocket (4) and screw (5) have been seted up respectively to the side of flange (6), install temperature control table (2) directly over trachea (7), install manometer (1) directly over temperature control table (2), the inner wall packing of gas holder (11) has insulating layer (1101).

2. The LNG storage tank for LNG production according to claim 1, wherein: bottom plate (9) are provided with two, two bottom plate (9) all are located the inboard of supporting leg (10) bottom, bottom plate (9) weld in the inboard of supporting leg (10).

3. The LNG storage tank for LNG production according to claim 1, wherein: the heat insulation layer (1101) is made of a vacuum heat insulation plate, and the heat insulation layer (1101) is located between an outer shell and an inner container of the air storage tank (11).

4. The LNG storage tank for LNG production according to claim 1, wherein: the supporting frame (1502) comprises a rotating shaft (1503) on the inner side of the supporting frame (1502), sunshade cloth (15) on the outer side of the rotating shaft (1503) and a rope (14) at one end of the sunshade cloth (15), and the rope (14) is clamped with one end of the sunshade cloth (15).

5. The LNG storage tank for LNG production according to claim 1, wherein: the temperature control instrument is characterized in that a pointer is arranged in the temperature control instrument (2), the temperature control instrument (2) is located under the pressure gauge (1), and the temperature control instrument (2) is installed on the side face of the gas storage tank (11).

6. The LNG storage tank for LNG production according to claim 1, wherein: the through holes (8) are four, the four through holes (8) are opposite to each other in pairs, and the through holes (8) are arranged on the outer surfaces of the supporting legs (10).