CN213394587U

CN213394587U - Liquefied natural gas storage facility

Info

Publication number: CN213394587U
Application number: CN202021878246.6U
Authority: CN
Inventors: 马建新; 王付刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-06-08
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a liquefied natural gas stores technical field, and discloses a liquefied natural gas storage facilities, which comprises an insulating layer, the inner wall fixed surface of insulating layer is connected with the outer jar of body, the inner wall fixed surface of the outer jar of body is connected with the strengthening rib, the inner wall fixed surface of strengthening rib is connected with the heat insulation layer, seted up the water injection layer between the outer wall of heat insulation layer and the outer jar of body, the inner wall fixed surface of heat insulation layer is connected with the inner tank body. The utility model discloses when the liquefied natural gas at jar internal takes place to rock, can the shock of efficient buffer liquid, reduce the shock of liquefied natural gas and to the influence of loader stationarity, security when improving the transportation, the water injection layer can absorb external heat, the heat insulation layer can be isolated with the heat and the liquefied natural gas of water injection layer, also keep warm to liquefied natural gas, avoid outside heat to accelerate liquefied natural gas gasification and cause jar internal portion's atmospheric pressure too high, the security performance has been reduced.

Description

Liquefied natural gas storage facility

Technical Field

The utility model relates to a liquefied natural gas stores technical field, especially relates to a liquefied natural gas storage facilities.

Background

With the deterioration of air quality, the national requirements on environmental protection are improved, the investment and the supporting force on clean energy are increased, natural gas is expected to be thick, the proportion of primary energy consumption is increased from 6% in 2013 to about 10% in 2020, and LNG receiving terminal stations, gasification stations, liquefaction plants and urban gas peak shaving systems are more and more widely applied.

The prior patent (publication number: CN204852922U) discloses liquefied natural gas storage equipment, which comprises a tank body, a fixed seat, a support column, a heat-insulating material, a vacuum tube and a buffer plate. In the prior art, when the device rocks in the emergence of the transportation jar body, the buffer board is limited to liquefied natural gas's buffering effect, and its thermal-insulated heat retaining effect is lower relatively, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the buffer effect on the liquefied natural gas is low, the heat insulation cost is high, and the effect is relatively low.

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

a liquefied natural gas storage device comprises an insulating layer, wherein an outer tank body is fixedly connected to the surface of the inner wall of the insulating layer, a reinforcing rib is fixedly connected to the surface of the inner wall of the outer tank body, a heat insulating layer is fixedly connected to the surface of the inner wall of the reinforcing rib, a water injection layer is arranged between the outer wall of the heat insulating layer and the outer tank body, an inner tank body is fixedly connected to the surface of the inner wall of the heat insulating layer, buffer clapboards are fixedly connected to the front portion and the rear portion of the inner wall of the inner tank body, a flow guide hole is formed in the right side surface of each buffer clapboard, a feed pipe and a water injection pipe are fixedly inserted in the middles of the left end and the right end of the top of the insulating layer, one end of each feed pipe sequentially penetrates through the insulating layer, the outer tank body, the water injection layer, the heat insulating layer and the, the equal threaded connection of the other end of water injection pipe and filling tube has sealed lid, the fixed bleeder line that has pegged graft in the middle of the bottom right side of insulating layer outer wall, the one end of bleeder line runs through insulating layer and outer jar body and extends to the inside on water injection layer in proper order by outer to interior, the equal fixedly connected with fixing base in the bottom left and right sides of insulating layer outer wall, the draw-in groove has all been seted up to the department in the middle of the both ends about the insulating layer top.

Preferably, the depth of the clamping grooves is half of the thickness of the insulating layer, the centers of the two clamping grooves coincide with the centers of the water injection pipe and the feeding pipe respectively, and the inner diameter of the two clamping grooves is 0.2mm of the outer diameter clearance between the inner diameter of the two clamping grooves and the outer diameter clearance between the inner diameter of the two sealing covers.

Preferably, the outer wall of the reinforcing rib is provided with a through hole, the number of the reinforcing ribs is five, three reinforcing ribs are parallel to each other and surround the middle part of the outer wall of the heat insulation layer, and the rest two reinforcing ribs are in a cross shape and surround the outer wall of the heat insulation layer.

Preferably, the outer surface of the sealing cover is fixedly connected with an insulating rubber layer and a heat-insulating foam layer, and the top of the inner wall of the sealing cover is fixedly connected with a sealing rubber ring.

Preferably, the splicing parts of the water injection pipe, the water discharge pipe and the feeding pipe are sealed and thermally insulated.

Preferably, the number of the buffer partition plates is nine, and the five buffer partition plates at the front part and the four buffer partition plates at the rear part are uniformly arranged on the front side and the rear side of the inner wall of the inner tank body in an opening mode.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a buffer board and the cooperation in water conservancy diversion hole of slope are used, and when the liquefied natural gas of jar internal takes place to rock, can the shock of efficient buffer liquid, reduce liquefied natural gas's shock to the influence of load wagon stationarity, security when improving the transportation.

(2) The utility model discloses a dual cooperation of water injection layer and heat insulation layer is used, and the water injection layer can absorb external heat, and the heat insulation layer can be isolated with the heat of water injection layer and liquefied natural gas, also keeps warm to liquefied natural gas, avoids liquefied natural gas gasification and causes jar internal portion's atmospheric pressure too high, and the insulating layer can effectual reduction static production and isolated static conduction.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

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

fig. 3 is an enlarged view of a portion a in the structure diagram 1 of the present invention.

In the figure: 1. an insulating layer; 2. an outer tank body; 3. reinforcing ribs; 4. injecting a water layer; 5. a heat insulating layer; 6. an inner tank body; 7. a water injection pipe; 8. a sealing cover; 9. a water discharge pipe; 10. a buffer spacer; 11. a flow guide hole; 12. a fixed seat; 13. a feed tube; 14. a clamping groove.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a liquefied natural gas storage device includes an insulating layer 1, an outer tank 2 is fixedly connected to the inner wall surface of the insulating layer 1, reinforcing ribs 3 are fixedly connected to the inner wall surface of the outer tank 2, through holes are formed in the outer walls of the reinforcing ribs 3, and five reinforcing ribs 3 are provided, wherein three reinforcing ribs 3 are parallel to each other and surround the middle of the outer wall of a heat insulating layer 5, and the remaining two reinforcing ribs 3 surround the outer wall of the heat insulating layer 5 in a cross shape, so that the strength of the entire device can be greatly improved, the device can withstand a large impact force and is not easily deformed when an accidental collision occurs, the heat insulating layer 5 is fixedly connected to the inner wall surface of the reinforcing ribs 3, a water injection layer 4 is provided between the outer wall of the heat insulating layer 5 and the outer tank 2, an inner tank 6 is fixedly connected to the inner wall, nine buffer baffles 10 are provided, five buffer baffles 10 at the front part and four buffer baffles 10 at the rear part are uniformly arranged at the front side and the rear side of the inner wall of the inner tank body 6 in a rubbing way, a flow guide hole 11 is formed in the right side surface of each buffer baffle 10, a feed pipe 13 and a water injection pipe 7 are fixedly inserted in the middle of the left end and the right end of the top of the insulating layer 1, the insertion parts of the feed pipe 7, a drain pipe 9 and the feed pipe 13 are subjected to sealing and heat insulation treatment, the sealing performance and the safety of the device are guaranteed, one end of the feed pipe 13 sequentially penetrates through the insulating layer 1 and the outer tank body 2 from outside to inside and extends into the water injection layer 4, the other end of the water injection pipe 7 and the other end of the feed pipe 13 are in threaded connection with a feed pipe 8, the outer surface of the sealing cover 8 is fixedly connected with an insulating rubber layer and a heat insulation foam layer, and the top of the inner wall of the sealing cover 8 is fixedly connected with a sealing rubber ring, a water discharge pipe 9 is fixedly inserted in the middle of the right side of the bottom of the outer wall of the insulating layer 1, one end of the water discharge pipe 9 sequentially penetrates through the insulating layer 1 and the outer tank body 2 from outside to inside and extends to the inside of the water injection layer 4, the left side and the right side of the bottom of the outer wall of the insulating layer 1 are fixedly connected with fixing seats 12, clamping grooves 14 are respectively arranged in the middle of the left end and the right end of the top of the insulating layer 1, the depth of each clamping groove 14 is one half of the thickness of the insulating layer 1, the centers of the two clamping grooves 14 are respectively superposed with the centers of the water injection pipe 7 and the feed pipe 13, the inner diameters of the two clamping grooves 14 are respectively 0.2mm from the outer diameter gap of the two sealing covers 8, the danger caused by the conduction of static electricity to the inside, reduce the shock of liquefied natural gas to the influence of load wagon stationarity, the security when improving the transportation, use through the dual cooperation of water injection layer 4 and heat insulation layer 5, water injection layer 4 can absorb the heat of external conduction, heat insulation layer 5 can be isolated with the heat of water injection layer 4 and liquefied natural gas, also keep warm to liquefied natural gas, avoid liquefied natural gas gasification and cause jar internal portion's atmospheric pressure too high, and insulating layer 1 can the effectual production of reduction static and the conduction of isolated static.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a liquefied natural gas storage facilities, includes insulating layer (1), its characterized in that, the inner wall fixed surface of insulating layer (1) is connected with the outer jar of body (2), the inner wall fixed surface of the outer jar of body (2) is connected with strengthening rib (3), the inner wall fixed surface of strengthening rib (3) is connected with heat insulation layer (5), water injection layer (4) have been seted up between the outer wall of heat insulation layer (5) and the outer jar of body (2), the inner wall fixed surface of heat insulation layer (5) is connected with inner tank body (6), the anterior and the equal fixedly connected with buffer baffle (10) in rear portion of inner tank body (6) inner wall, water conservancy diversion hole (11) have been seted up on the right side surface of buffer baffle (10), the middle department at both ends all is fixed pegged graft at the left and right sides at insulating layer (1) top has filling tube (13) and water injection pipe (7), the one end of, The water injection device comprises an outer tank body (2), a water injection layer (4), a heat insulation layer (5) and an inner tank body (6) and extends to the inside of the inner tank body (6), one end of a water injection pipe (7) sequentially penetrates through the insulating layer (1) and the outer tank body (2) from outside to inside and extends to the inside of the water injection layer (4), the other end of the water injection pipe (7) and a feeding pipe (13) is connected with a sealing cover (8) in a threaded mode, a water discharge pipe (9) is fixedly inserted in the middle of the right side of the bottom of the outer wall of the insulating layer (1), one end of the water discharge pipe (9) sequentially penetrates through the insulating layer (1) and the outer tank body (2) from outside to inside and extends to the inside of the water injection layer (4), fixing seats (12) are fixedly connected to the left side and the right side of the outer wall of the insulating layer (1), and.

2. The lng storage facility of claim 1, wherein the depth of the locking grooves (14) is one half of the thickness of the insulating layer (1), and the centers of the two locking grooves (14) coincide with the centers of the water injection pipe (7) and the feed pipe (13), respectively, and the inner diameters of the two locking grooves (14) have a clearance of 0.2mm from the outer diameters of the two sealing caps (8), respectively.

3. The LNG storage facility of claim 1, wherein the outer wall of the reinforcing ribs (3) is perforated with through holes, and the number of the reinforcing ribs (3) is five and three of the reinforcing ribs (3) are parallel to each other and surround the middle of the outer wall of the insulating layer (5), and the remaining two reinforcing ribs (3) surround the outer wall of the insulating layer (5) in a crisscross shape.

4. The liquefied natural gas storage facility according to claim 1, wherein an insulating rubber layer and a thermal insulation foam layer are fixedly connected to an outer surface of the sealing cover (8), and a sealing rubber ring is fixedly connected to a top portion of an inner wall of the sealing cover (8).

5. The LNG storage facility of claim 1, wherein the joints between the water injection pipe (7) and the water discharge pipe (9) and the feed pipe (13) are sealed and insulated.

6. The LNG storage facility of claim 1, wherein the number of the buffering partitions (10) is nine, and the front five buffering partitions (10) and the rear four buffering partitions (10) are evenly twisted and arranged on the front and rear sides of the inner wall of the inner tank (6).