CN210035046U - Vertical low temperature storage tank of LNG supports fastener - Google Patents
Vertical low temperature storage tank of LNG supports fastener Download PDFInfo
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- CN210035046U CN210035046U CN201920289708.1U CN201920289708U CN210035046U CN 210035046 U CN210035046 U CN 210035046U CN 201920289708 U CN201920289708 U CN 201920289708U CN 210035046 U CN210035046 U CN 210035046U
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- support
- lifting rope
- fixing
- storage tank
- tank body
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Abstract
The utility model discloses a LNG vertical low-temperature storage tank supporting and fastening device, which comprises an LNG storage tank, a radial support and a vertical support; the vertical support comprises a lifting rope, a fixing buckle and an upper fixing component; the fixing buckle is a C-shaped buckle or an O-shaped buckle; the upper fixing component comprises a lifting rope supporting plate, a fixing ring and a supporting shaft; the fixing ring is of a circular ring structure, and the cross section of the fixing ring is in a shape of a [ shape; notches are arranged on the circumference of the fixing ring; the lifting rope is arranged between the supporting shaft and the fixing buckle in a V-shaped structure; the utility model can reduce the welding amount and the contact area, thereby reducing the heat loss and improving the heat preservation and the heat insulation effect of the low-temperature storage tank; the problem that the existing sling is uneven in installation stress can be solved, the defect that the inner tank cannot be freely contracted is overcome, the inertia resistance adjustment balance capacity and stability of the low-temperature storage tank in the transportation process are improved, and the safety is also improved; the utility model discloses the structure is simpler, and the preparation is easy, and production and processing cost is low.
Description
Technical Field
The utility model relates to a vertical low temperature storage tank of LNG supports fastener is applied to natural gas LNG storage tank, belongs to liquefied natural gas and stores technical field.
Background
In recent years, with the continuous progress of science and technology, liquid argon, liquid nitrogen, liquid oxygen, liquid carbon dioxide and liquid natural gas are widely applied to industries such as metal smelting, medical treatment, military, sugar industry, food industry and the like. With the rapid development of economy, the demand of cryogenic liquefied gas is increasing, the demand of cryogenic storage tanks for storing and transporting cryogenic liquefied gas is also increasing, and the demand of storage tanks is also stricter, such as structural stability, strength and rigidity of materials, cryogenic properties, structural welding and maintenance, and higher requirements on different structural application occasions.
For the existing vertical low-temperature double-tank storage tank, the inner tank is generally hung in the outer tank by a hanging belt or is cooperatively fixed in a mode of combining a side support and a bottom support.
However, such a support structure has the following problems in practical use:
1. the support structure has large welding amount and large heat exchange area, increases the loss of heat transfer, has poor heat preservation performance and influences the heat insulation effect of the low-temperature storage tank;
2. the sling is easy to be stressed unevenly, the sling cannot well meet the requirements of the inner tank on thermal expansion and cold contraction, and the inertia resistance balance adjusting capability of the inner tank is not strong in the transportation process; the stability of the low-temperature storage tank in the transportation process cannot be ensured;
in view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the supporting and fastening device for the LNG vertical low-temperature storage tank can reduce the welding amount and the contact area, thereby reducing the heat loss and improving the heat retaining property and the heat insulation effect of the low-temperature storage tank; the problem that the existing sling is uneven in installation stress can be solved, the defect that the inner tank cannot be freely contracted is overcome, the inertia resistance adjustment balance capacity and stability of the low-temperature storage tank in the transportation process are improved, and the safety is also improved; the utility model discloses the structure is simpler, and the preparation is easy, and production and processing cost is low.
For solving the technical problem, the utility model discloses a following technical scheme: a LNG vertical low-temperature storage tank supporting and fastening device comprises an LNG storage tank, a radial support and a vertical support; the vertical support comprises a lifting rope, a fixing buckle and an upper fixing component; the fixing buckles are C-shaped buckles or O-shaped buckles, the fixing buckles are arranged on a horizontal plane 25 degrees away from a horizontal line of the lower end socket of the inner tank body, the number of the fixing buckles is four, and the four fixing buckles are uniformly arranged along the circumference at 90 degrees;
the upper fixing component is arranged in the middle of the inner wall of the outer tank body; the number of the upper fixing assemblies is four, and the four upper fixing assemblies are uniformly arranged along the circumference at 90 degrees; the four upper fixing components and the four fixing buckles are arranged in a staggered manner; the upper fixing component comprises a lifting rope supporting plate, a fixing ring and a supporting shaft;
the number of the lifting rope support plates is four; a support shaft is fixedly arranged between two adjacent lifting rope support plates; the fixing ring is of a circular ring structure, and the cross section of the fixing ring is in a shape of a [ shape; the fixing ring is provided with a gap in the circumferential direction, and the gap is arranged at the position where the lifting rope passes through; the shape of the notch is circular arc; the middle position of the lifting rope is fixed through a fixing buckle, and the lifting rope is arranged between the support shaft and the fixing buckle in a V-shaped structure;
further, the radial support is arranged in a gap between the outer tank body and the inner tank body, and comprises a support sleeve, a support rod and a base plate; the supporting sleeve is of a hollow cylindrical structure; the support sleeve is an epoxy glass steel tube; the support rod is a glass fiber rod; two ends of the supporting rod are inserted and fixed in the supporting sleeve; a gap required by the expansion with heat and the contraction with cold of the inner tank body is arranged between the support rod and the support sleeve;
furthermore, the number of the support sleeves is two; one supporting sleeve is fixedly arranged on the inner wall of the outer tank body through a backing plate, and the other supporting sleeve is fixedly arranged on the outer wall of the inner tank body through a backing plate; the two supporting sleeves are sleeved on the same axis;
the outer tank is characterized by further comprising an outer tank reinforcing ring, wherein the outer tank reinforcing ring is welded and fixed on the inner wall of the outer tank body and is a circular steel plate; the number of the outer tank reinforcing rings is five, wherein two outer tank reinforcing rings are arranged on the upper side and the lower side of the upper-layer radial support, two outer tank reinforcing rings are arranged on the upper side and the lower side of the lower-layer radial support, and the other outer tank reinforcing ring is arranged in the middle of the lifting rope;
furthermore, the lifting rope is fixedly arranged between the outer tank body and the inner tank body through a fixing buckle and an upper fixing component; the lifting rope is a stainless steel wire rope; the number of the lifting ropes is four; the four lifting ropes are respectively arranged between the support shaft and the fixing buckles corresponding to the support shaft;
furthermore, the lifting rope supporting plate is fixedly arranged on the inner wall of the outer tank body through a lifting rope backing plate; the lifting rope supporting plate is fixedly connected with the lifting rope base plate through welding; the lifting rope base plate is welded and fixed with the outer tank body;
further, the fixed ring is welded and fixed on the inner wall of the outer tank body; the number of the fixed rings is two; one fixed ring is arranged at the tops of the lifting rope backing plate and the lifting rope support plate, and the other fixed ring is arranged at the bottoms of the lifting rope backing plate and the lifting rope support plate; the fixed ring is fixedly connected with the lifting rope base plate and the lifting rope support plate through welding;
furthermore, two ends of the lifting rope are provided with rope buckles, and the rope buckles are locked through locking bolts; the rope buckle is sleeved on the supporting shaft; the rope buckle and the support shaft are fixed through the fixing pin and the split pin, so that the rope buckle is prevented from sliding on the support shaft;
further, the LNG storage tank comprises an outer tank body and an inner tank body, and the inner tank body is fixedly arranged in the outer tank body through radial supports and vertical supports; a gap is arranged between the outer tank body and the inner tank body;
furthermore, the number of the radial supports is eight, the eight radial supports are divided into an upper layer and a lower layer, each layer comprises four radial supports, and the four radial supports in each layer are uniformly arranged along the circumferential direction; the upper layer of radial support and the lower layer of radial support are respectively arranged at the upper part and the lower part of the LNG storage tank;
the utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can reduce the welding amount and the contact area, thereby reducing the heat loss and improving the heat preservation and the heat insulation effect of the low-temperature storage tank; the problem that the existing sling is uneven in installation stress can be solved, the defect that the inner tank cannot be freely contracted is overcome, the inertia resistance adjustment balance capacity and stability of the low-temperature storage tank in the transportation process are improved, and the safety is also improved; the utility model discloses the structure is simpler, and the preparation is easy, and production and processing cost is low.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a radial support;
FIG. 3 is a schematic structural view of an upper fixing assembly;
FIG. 4 is a schematic view of a retainer ring construction;
in the figure, the position of the upper end of the main shaft,
1-LNG storage tank, 11-outer tank, 12-inner tank, 2-outer tank reinforcing ring, 3-radial support, 31-support sleeve, 32-support rod, 33-backing plate, 4-lifting rope, 5-fixing buckle, 6-upper fixing component, 61-lifting rope backing plate, 62-lifting rope support plate, 63-fixing ring, 631-notch, 64-support shaft and 65-locking bolt.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Embodiment 1 vertical low temperature storage tank of LNG supports fastener
As shown in fig. 1, the utility model provides a LNG vertical low-temperature storage tank supporting and fastening device, which comprises an LNG storage tank 1, a radial support 3 and a vertical support;
the LNG storage tank 1 comprises an outer tank body 11 and an inner tank body 12, wherein the inner tank body 12 is fixedly arranged in the outer tank body 11 through a radial support 3 and a vertical support; a gap is arranged between the outer tank body 11 and the inner tank body 12;
the number of the radial supports 3 is eight, the eight radial supports 3 are divided into an upper layer and a lower layer, each layer comprises four radial supports 3, and the four radial supports 3 in each layer are uniformly arranged along the circumferential direction; the upper layer of radial support 3 and the lower layer of radial support 3 are respectively arranged at the upper part and the lower part of the LNG storage tank;
the radial support 3 is arranged in the gap between the outer tank body 11 and the inner tank body 12, and the radial support 3 comprises a support sleeve 31, a support rod 32 and a backing plate 33; the supporting sleeve 31 is a hollow cylindrical structure; the support sleeve 31 is an epoxy glass steel tube; the number of the supporting sleeves 31 is two; one support sleeve 31 is fixedly arranged on the inner wall of the outer tank body 11 through a backing plate 33, and the other support sleeve 31 is fixedly arranged on the outer wall of the inner tank body 12 through the backing plate 33; the two support sleeves 31 are on the same axis;
the support rod 32 is a glass fiber rod; two ends of the support rod 32 are inserted and fixed in the support sleeve 31; a gap required by the expansion with heat and the contraction with cold of the inner tank body 12 is arranged between the support rod 32 and the support sleeve 31;
an outer tank reinforcing ring 2 is fixedly welded on the inner wall of the outer tank body 11, and the outer tank reinforcing ring 2 is a circular steel plate; the outer tank reinforcing ring 2 is used for reinforcing the strength and stability of the cylinder body; the number of the outer tank reinforcing rings 2 is five, wherein two outer tank reinforcing rings 2 are arranged on the upper side and the lower side of the upper-layer radial support 3, two outer tank reinforcing rings 2 are arranged on the upper side and the lower side of the lower-layer radial support 3, and the other outer tank reinforcing ring 2 is arranged in the middle of the lifting rope 4;
the vertical support comprises a lifting rope 4, a fixing buckle 5 and an upper fixing component 6, and the lifting rope 4 is fixedly arranged between the outer tank body 11 and the inner tank body 12 through the fixing buckle 5 and the upper fixing component 6;
the fixing buckles 5 are C-shaped buckles or O-shaped buckles, the fixing buckles 5 are arranged on a horizontal plane 25 degrees away from a horizontal line at the lower end socket of the inner tank body 12, the number of the fixing buckles 5 is four, and the four fixing buckles 5 are uniformly arranged along the circumference at 90 degrees;
the upper fixing component 6 is arranged in the middle of the inner wall of the outer tank body 11; the number of the upper fixing assemblies 6 is four, and the four upper fixing assemblies 6 are uniformly arranged along the circumference at 90 degrees;
the four upper fixing components 6 and the four fixing buckles 5 are arranged in a staggered manner;
the upper fixing assembly 6 comprises a lifting rope support plate 62, a fixing ring 63 and a support shaft 64;
the lifting rope support plate 62 is fixedly arranged on the inner wall of the outer tank body 11 through a lifting rope backing plate 61; the lifting rope support plate 62 is fixedly connected with the lifting rope backing plate 61 through welding; the lifting rope backing plate 61 is welded and fixed with the outer tank body 11;
the number of the lifting rope support plates 62 is four; a support shaft 64 is fixedly arranged between two adjacent lifting rope support plates 62;
the fixing ring 63 is of a circular ring structure, and the cross section of the fixing ring 63 is in a shape of a [ shape; the fixing ring 63 is welded and fixed on the inner wall of the outer tank body 11; the number of the fixing rings 63 is two; one fixing ring 63 is arranged at the top of the lifting rope backing plate 61 and the lifting rope support plate 62, and the other fixing ring 63 is arranged at the bottom of the lifting rope backing plate 61 and the lifting rope support plate 62; the fixing ring 63 is fixedly connected with the lifting rope backing plate 61 and the lifting rope support plate 62 through welding;
a notch 631 is arranged on the circumference of the fixing ring 63, and the notch 631 is arranged at a position through which the lifting rope 4 passes; the notch 631 is arc-shaped; the notch 631 avoids the lifting rope to prevent the lifting rope from being worn in the moving process.
The lifting rope 4 is a stainless steel wire rope; the number of the lifting ropes 4 is four; the four lifting ropes 4 are respectively arranged between the support shaft 64 and the fixing buckles 5 corresponding to the support shaft;
two ends of the lifting rope 4 are provided with rope buckles, and the rope buckles are locked through locking bolts 65; the rope buckle is sleeved on the supporting shaft 64; the rope buckle and the supporting shaft 64 are fixed through a fixing pin and a cotter pin, so that the rope buckle is prevented from sliding on the supporting shaft 64;
the middle position of the lifting rope 4 is fixed through a fixing buckle 5, and the lifting rope 4 is arranged between the support shaft 64 and the fixing buckle 5 in a V-shaped structure;
the utility model discloses the theory of operation:
because the tank body is large and the tank height is higher, on one hand, the utility model supports the inner tank body 12 during transportation by arranging the radial supports, thereby ensuring that the inner tank body is vertical; the inner wall of the outer tank body 11 is provided with the outer tank reinforcing ring 2, so that the strength and the stability of the outer tank body 11 are enhanced; on the other hand, the lifting rope 4 is arranged to replace a lifting belt in the prior art, the welding amount is reduced by the lifting rope 4, the heat loss is reduced, and the balance can be adjusted to ensure the stability and the safety of the tank body in transportation;
the utility model adopts the way that the radial support 3 is matched with the vertical support; the welding quantity can be reduced, and the contact area is reduced, so that the heat loss is reduced, and the heat preservation and the heat insulation effect of the low-temperature storage tank are improved; the problem that the existing sling is uneven in installation stress can be solved, the defect that the inner tank cannot be freely contracted is overcome, the inertia resistance adjustment balance capacity and stability of the low-temperature storage tank in the transportation process are improved, and the safety is also improved; the utility model discloses the structure is simpler, and the preparation is easy, and production and processing cost is low.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. The utility model provides a vertical low temperature storage tank of LNG supports fastener which characterized in that: the LNG storage tank comprises an LNG storage tank (1), a radial support (3) and a vertical support; the vertical support comprises a lifting rope (4), a fixing buckle (5) and an upper fixing component (6); the fixing buckles (5) are C-shaped buckles or O-shaped buckles, the fixing buckles (5) are arranged on a horizontal plane 25 degrees away from the horizontal line of the lower end socket of the inner tank body (12), the number of the fixing buckles (5) is four, and the four fixing buckles (5) are uniformly arranged along the circumference at 90 degrees;
the upper fixing component (6) is arranged in the middle of the inner wall of the outer tank body (11); the number of the upper fixing assemblies (6) is four, and the four upper fixing assemblies (6) are uniformly arranged along the circumference at 90 degrees; the four upper fixing components (6) and the four fixing buckles (5) are arranged in a staggered manner; the upper fixing component (6) comprises a lifting rope support plate (62), a fixing ring (63) and a support shaft (64);
the number of the lifting rope support plates (62) is four; a support shaft (64) is fixedly arranged between two adjacent lifting rope support plates (62); the fixing ring (63) is of a circular ring structure, and the cross section of the fixing ring (63) is in a [ shape; a notch (631) is formed in the circumferential direction of the fixing ring (63), and the notch (631) is formed in the position where the lifting rope (4) passes through; the notch (631) is arc-shaped; the middle position of the lifting rope (4) is fixed through a fixing buckle (5); the lifting rope (4) is arranged between the support shaft (64) and the fixing buckle (5) in a V-shaped structure.
2. The LNG vertical cryogenic storage tank supporting and fastening device according to claim 1, characterized in that the radial support (3) is provided in the gap between the outer tank (11) and the inner tank (12), the radial support (3) comprising a support sleeve (31), a support rod (32) and a backing plate (33); the supporting sleeve (31) is of a hollow cylindrical structure; the support sleeve (31) is an epoxy glass steel tube; the support rod (32) is a glass fiber rod; two ends of the support rod (32) are inserted and fixed in the support sleeve (31); and a gap required by the thermal expansion and cold contraction of the inner tank body (12) is arranged between the support rod (32) and the support sleeve (31).
3. The LNG vertical cryogenic storage tank supporting and fastening device of claim 2, wherein: the number of the supporting sleeves (31) is two; one support sleeve (31) is fixedly arranged on the inner wall of the outer tank body (11) through a backing plate (33), and the other support sleeve (31) is fixedly arranged on the outer wall of the inner tank body (12) through the backing plate (33); the two supporting sleeves (31) are on the same axis.
4. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the outer tank is characterized by further comprising an outer tank reinforcing ring (2), wherein the outer tank reinforcing ring (2) is welded and fixed on the inner wall of the outer tank body (11), and the outer tank reinforcing ring (2) is a circular steel plate; the number of the outer tank reinforcing rings (2) is five, wherein two outer tank reinforcing rings (2) are arranged on the upper and lower sides of the upper layer radial support (3), two outer tank reinforcing rings (2) are arranged on the upper and lower sides of the lower layer radial support (3), and the other outer tank reinforcing ring (2) is arranged in the middle of the lifting rope (4).
5. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the lifting rope (4) is fixedly arranged between the outer tank body (11) and the inner tank body (12) through a fixing buckle (5) and an upper fixing component (6); the lifting rope (4) is a stainless steel wire rope; the number of the lifting ropes (4) is four; four lifting ropes (4) are respectively arranged between the support shaft (64) and the fixing buckles (5) corresponding to the support shaft.
6. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the lifting rope support plate (62) is fixedly arranged on the inner wall of the outer tank body (11) through a lifting rope backing plate (61); the lifting rope support plate (62) is fixedly connected with the lifting rope backing plate (61) through welding; the lifting rope backing plate (61) is welded and fixed with the outer tank body (11).
7. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the fixing ring (63) is welded and fixed on the inner wall of the outer tank body (11); the number of the fixed rings (63) is two; one fixing ring (63) is arranged at the tops of the lifting rope backing plate (61) and the lifting rope support plate (62), and the other fixing ring (63) is arranged at the bottoms of the lifting rope backing plate (61) and the lifting rope support plate (62); the fixing ring (63) is fixedly connected with the lifting rope backing plate (61) and the lifting rope supporting plate (62) through welding.
8. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: two ends of the lifting rope (4) are provided with rope buckles, and the rope buckles are locked through locking bolts (65); the rope buckle is sleeved on the supporting shaft (64); the cord lock and the support shaft (64) are fixed by a fixing pin and a cotter pin.
9. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the LNG storage tank (1) comprises an outer tank body (11) and an inner tank body (12), wherein the inner tank body (12) is fixedly arranged in the outer tank body (11) through a radial support (3) and a vertical support; a gap is arranged between the outer tank body (11) and the inner tank body (12).
10. The LNG vertical cryogenic storage tank supporting and fastening device of claim 1, wherein: the number of the radial supports (3) is eight, the eight radial supports (3) are divided into an upper layer and a lower layer, each layer comprises four radial supports (3), and the four radial supports (3) in each layer are uniformly arranged along the circumferential direction; the upper layer of radial support (3) and the lower layer of radial support (3) are respectively arranged at the upper part and the lower part of the LNG storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289708.1U CN210035046U (en) | 2019-03-07 | 2019-03-07 | Vertical low temperature storage tank of LNG supports fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289708.1U CN210035046U (en) | 2019-03-07 | 2019-03-07 | Vertical low temperature storage tank of LNG supports fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210035046U true CN210035046U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289708.1U Expired - Fee Related CN210035046U (en) | 2019-03-07 | 2019-03-07 | Vertical low temperature storage tank of LNG supports fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210035046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594540A (en) * | 2020-12-09 | 2021-04-02 | 连云港中远海运特种装备制造有限公司 | Auxiliary fixing method suitable for vertical low-temperature heat-insulating container |
-
2019
- 2019-03-07 CN CN201920289708.1U patent/CN210035046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594540A (en) * | 2020-12-09 | 2021-04-02 | 连云港中远海运特种装备制造有限公司 | Auxiliary fixing method suitable for vertical low-temperature heat-insulating container |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |