CN117208428A - Split type double-layer high-temperature molten salt storage tank - Google Patents
Split type double-layer high-temperature molten salt storage tank Download PDFInfo
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- CN117208428A CN117208428A CN202311482772.9A CN202311482772A CN117208428A CN 117208428 A CN117208428 A CN 117208428A CN 202311482772 A CN202311482772 A CN 202311482772A CN 117208428 A CN117208428 A CN 117208428A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 40
- 239000007769 metal material Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000004321 preservation Methods 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000009931 pascalization Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model provides a split type double-deck high temperature fused salt storage tank, including the inlayer jar body that adopts high temperature resistant metal material to make, paste on the lateral wall of inlayer jar body and be equipped with the lateral wall heated board, the outside of lateral wall heated board encircles and is equipped with the curved lateral plate that a plurality of steels made, the top of every lateral plate links to each other with the inner end is fixed of a flange arc board respectively, a plurality of lateral plates splice and constitute the outside jar body of cylinder, a plurality of flange arc plates splice and constitute the lower ring flange, two adjacent lateral plate seam departments top-down are equipped with a plurality of elasticity tightening means that are used for elastic connection two lateral plate seams. Its aim at provides one kind can absorb the fused salt storage tank heat altered shape that the temperature arouses to avoid the leakage that fused salt storage tank local stress is too big to cause, and then harm the environment, cause casualties and loss of property, and can reduce the manufacturing cost of fused salt storage tank, let the heat loss of fused salt storage tank little, long service life's split type double-deck high temperature fused salt storage tank.
Description
Technical Field
The invention relates to the field of solar photo-thermal power generation, in particular to a split type double-layer high-temperature molten salt storage tank.
Background
The existing molten salt storage tank is of a single-tank structure, the operation condition of the storage tank is harsh, high temperature and high liquid level are usually accompanied, in order to enable the storage tank to meet the design requirements, the thickness of the side wall plate of the storage tank can only be increased, and very expensive high-performance metal materials are needed. Because molten salt storage tank equipment runs at a variable high temperature for a long time, the side wall of the storage tank can generate great thermal expansion, in order to coordinate deformation, the storage tank can generate great secondary stress, and if the thickness of the material is insufficient, the storage tank can fail, so that casualties, property loss and environmental pollution are caused; if the material is thick enough, the design requirement can be met, but the great economic cost is increased, and the difficulty is brought to processing and manufacturing.
Therefore, the novel solar thermal power generation system provides higher requirements for the molten salt storage tank, and the large-scale high-temperature-resistant storage tank is a trend of industry development, so that the development of the solar thermal power generation technology is adapted, and the development needs of the industry cannot be met by the existing technical scheme.
Disclosure of Invention
The invention aims to provide a split double-layer high-temperature molten salt storage tank which can absorb the thermal deformation of the molten salt storage tank caused by temperature so as to avoid leakage caused by overlarge local stress of the molten salt storage tank, further damage the environment and cause casualties and property loss, reduce the manufacturing cost of the molten salt storage tank, reduce the heat loss of the molten salt storage tank and prolong the service life.
The split type double-layer high-temperature molten salt storage tank comprises an inner-layer tank body made of high-temperature-resistant metal materials, wherein a side wall insulation board is stuck on the outer side wall of the inner-layer tank body, a plurality of arc-shaped outer side boards made of steel materials are arranged on the outer side of the side wall insulation board in a surrounding mode, the top end of each outer side board is fixedly connected with the inner end of one flange arc board respectively, the outer side boards are spliced to form a cylindrical outer tank body, the flange arc boards are spliced to form a lower flange, and a plurality of elastic tightening devices for elastically connecting the joints of the two outer side boards are arranged at the joints of two adjacent outer side boards from top to bottom;
each elastic tightening device comprises a left connecting plate and a right connecting plate, wherein the two plate surfaces of the left connecting plate and the right connecting plate are respectively positioned in the vertical direction, the plate surfaces of the left connecting plate and the plate surfaces of the right connecting plate are arranged in parallel, one vertical side edge of the left connecting plate is fixedly connected with the plate surface of the outer side plate positioned at the left side of the joint, one vertical side edge of the right connecting plate is fixedly connected with the plate surface of the outer side plate positioned at the right side of the joint, a plurality of elastic elements are arranged between the left connecting plate and the right connecting plate from top to bottom in the horizontal direction, the left end of each elastic element is respectively connected with the plate surface installation of the left connecting plate, and the right end of each elastic element is respectively connected with the plate surface installation of the right connecting plate;
a top plate is arranged above the outer tank body, the middle part of the top plate is arched upwards, the edge of the top plate is fixedly connected with the side edge of the inner end of the upper flange plate, the lower surface of the upper flange plate is attached to the upper surface of the lower flange plate, the upper flange plate is connected with the lower flange plate through a plurality of positioning connecting bolts, and bolt holes penetrating through the positioning connecting bolts on the upper flange plate and the lower flange plate are strip holes extending along the radial direction of the flange plate;
the top of the inner tank body is provided with a top heat-insulating layer, an expansion cavity is arranged between the top heat-insulating layer and a top plate, a plurality of elastic suspenders are arranged between the top plate and a top cover plate of the inner tank body, the top end of each elastic suspender is respectively connected with the top plate, and the bottom end of each elastic suspender is respectively connected with the top cover plate of the inner tank body;
the elastic suspender can perform elastic displacement along the vertical direction, the elastic displacement range of the elastic suspender is larger than the maximum displacement of the top cover plate along the vertical direction when the inner tank body is expanded to the limit by heating, and the tensile load born by the elastic suspender is larger than the sum of the weights of the top cover plate and the top heat insulation layer.
Preferably, the side wall heat-insulating plate and the top heat-insulating layer are respectively formed by splicing a plurality of hard heat-insulating plates, soft heat-insulating materials are filled in plate seams between adjacent hard heat-insulating plates, the outer tank body is made of common carbon structural steel, and the inner tank body is made of heat-resistant steel.
Preferably, each elastic element is a cylindrical tension spring, each elastic suspender is arranged along the vertical direction respectively, each elastic suspender comprises two connecting rods which are arranged in series at intervals along the vertical direction, and the middle parts of the two connecting rods are connected through the tension springs.
Preferably, the cross section of the inner tank body is circular, and the outer tank body and the inner tank body are coaxially arranged.
Preferably, a plurality of annular ring support rib plates are arranged on the lower surface of the top plate from outside to inside, a plurality of strip-shaped rib plates are arranged on the lower surface of the top plate along the radial direction, and the top end of each elastic suspender is respectively connected with the ring support rib plates or the strip-shaped rib plates in an installation way.
Preferably, the number of the outer side plates is 6-24, 3-12 elastic tightening devices are arranged at the joint of two adjacent outer side plates from top to bottom, the two adjacent outer side plates are mutually overlapped and attached at the joint, and a plurality of temperature measuring probes are arranged in the inner tank body.
In the use process of the double-layer high-temperature molten salt storage tank, the inner tank body expands outwards, and the outer tank body tightly hoops the inner tank body through the elastic tightening device, so that the inner tank body and the outer tank body form a whole, the outer tank body plays a supporting role on the inner tank body, and the inner tank body cannot fail due to high temperature and high hydrostatic pressure. The use temperature of the outer tank is between room temperature and scalding-preventing temperature, which is far smaller than that of the inner tank body, and the strength of the outer tank can be ensured only by using a metal material with common performance; the inner tank body has high use temperature and needs metal materials with better use performance, but has the supporting function of the outer tank body, and the thickness of the metal materials of the inner tank body can be greatly reduced, so that the cost is reduced under the condition of ensuring the design requirement. Therefore, the split type double-layer high-temperature molten salt storage tank has the characteristics of being capable of absorbing the thermal deformation of the molten salt storage tank caused by temperature, avoiding leakage caused by overlarge local stress of the molten salt storage tank, further endangering the environment and causing casualties and property loss, reducing the manufacturing cost of the molten salt storage tank, reducing the heat loss of the molten salt storage tank and prolonging the service life.
The invention is described in detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a front view of a schematic structural diagram of a split type double-layer high-temperature molten salt storage tank of the invention;
FIG. 2 is a top view of section A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a bottom view of the top plate above the outer can of fig. 1.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the split double-layer high-temperature molten salt storage tank comprises an inner-layer tank body 1 made of high-temperature resistant metal materials, a side wall insulation board 2 is stuck on the outer side wall of the inner-layer tank body 1, a plurality of arc-shaped outer side boards 3 made of steel materials are arranged on the outer side of the side wall insulation board 2 in a surrounding mode, the top end of each outer side board 3 is fixedly connected with the inner end of one flange arc board 7 respectively, the outer side boards 3 are spliced to form a cylindrical outer tank body 10, the flange arc boards 7 are spliced to form a lower flange 8, and a plurality of elastic tightening devices for elastically connecting the joints of the two outer side boards 3 are arranged at the joint of two adjacent outer side boards 3 from top to bottom;
each elastic tightening device comprises a left connecting plate 4 and a right connecting plate 5, wherein the two plate surfaces of the left connecting plate 4 and the right connecting plate 5 are respectively positioned in the vertical direction, the plate surfaces of the left connecting plate 4 and the plate surfaces of the right connecting plate 5 are arranged in parallel, one vertical side edge of the left connecting plate 4 is fixedly connected with the plate surface of the outer side plate positioned at the left side of a joint, one vertical side edge of the right connecting plate 5 is fixedly connected with the plate surface of the outer side plate positioned at the right side of the joint, a plurality of elastic elements 6 are arranged between the left connecting plate 4 and the right connecting plate 5 from top to bottom in the horizontal direction, the left end of each elastic element 6 is respectively connected with the plate surface installation of the left connecting plate 4, and the right end of each elastic element 6 is respectively connected with the plate surface installation of the right connecting plate 5;
a top plate 11 is arranged above the outer tank body 10, the middle part of the top plate 11 is arched upwards, the edge of the top plate 11 is fixedly connected with the inner side edge of the upper flange plate 9, the lower surface of the upper flange plate 9 is attached to the upper surface of the lower flange plate 8, the upper flange plate 9 is connected with the lower flange plate 8 through a plurality of positioning connecting bolts 14 in a mounting way, and bolt holes penetrating through the positioning connecting bolts 14 on the upper flange plate 9 and the lower flange plate 8 are long strip holes extending along the radial direction of the flange plate; the bolt holes are elongated holes extending along the radial direction of the flange plate, so that the lower flange plate 8 can have a movement space suitable for thermal expansion.
The top of the inner tank body 1 is provided with a top heat preservation layer 15, an expansion cavity 17 is arranged between the top heat preservation layer 15 and the top plate 11, a plurality of elastic suspenders 16 are arranged between the top plate 11 and the top cover plate 21 of the inner tank body 1, the top end of each elastic suspender 16 is respectively connected with the top plate 11, and the bottom end of each elastic suspender 16 is respectively connected with the top cover plate 21 of the inner tank body 1;
the elastic suspension rod 16 can perform elastic displacement along the vertical direction, the elastic displacement range of the elastic suspension rod 16 is larger than the maximum displacement of the top cover plate 21 along the vertical direction when the inner tank body 1 is expanded to the limit by heating, the tensile load born by the elastic suspension rod 16 is larger than the sum of the weights of the top cover plate 21 and the top heat insulation layer 15, and the elastic suspension rod 16 can absorb the axial displacement along the vertical direction caused by the expansion of the inner tank body 1 by heating.
The lower part of the whole split type double-layer high-temperature molten salt storage tank is a storage tank foundation base.
As a further improvement of the invention, the side wall heat-insulating plate 2 and the top heat-insulating layer 15 are respectively formed by splicing a plurality of hard heat-insulating plates, soft heat-insulating materials are filled in the plate seams between the adjacent hard heat-insulating plates, the outer tank body 10 is made of common carbon structural steel, and the inner tank body 1 is made of heat-resistant steel.
The side wall heat preservation boards 2 and the top heat preservation layer 15 are respectively formed by splicing a plurality of hard heat preservation boards, soft heat preservation materials are filled in the board seams between the adjacent hard heat preservation boards, because the hard heat preservation materials have better compressive strength and cannot be damaged due to extrusion between the inner tank and the outer tank, soft heat preservation with certain elasticity is filled between the hard heat preservation boards, certain gaps can be formed between the hard heat preservation boards when the hard heat preservation boards expand along with the inner tank, and at the moment, the soft heat preservation materials can be changed into a fluffy state from an initial compressed state to fill the gaps, so that the heat preservation effect cannot be reduced.
As a further improvement of the present invention, each of the elastic members 6 is a cylindrical tension spring, each of the elastic suspenders 16 is disposed along a vertical direction, and the elastic suspenders 16 include two connecting rods disposed in series and spaced apart along the vertical direction, and the middle of the two connecting rods is connected by the tension spring.
As a further improvement of the present invention, the cross sections of the outer tank 10 and the inner tank 1 are circular, and the outer tank 10 and the inner tank 1 are coaxially arranged.
As a further improvement of the invention, a plurality of annular ring support rib plates 13 are arranged on the lower surface of the top plate 11 from outside to inside, a plurality of strip rib plates 12 are arranged on the lower surface of the top plate 11 along the radial direction, and the top end of each elastic suspender 16 is respectively connected with the ring support rib plates 13 or the strip rib plates 12 in a mounting way. The circular ring supporting rib plates 13 and the strip-shaped rib plates 12 can improve the rigidity of the top plate 11 and ensure the overall stability of the top plate 11.
As a further improvement of the invention, the number of the outer side plates 3 is 6-24, 3-12 elastic tightening devices are arranged at the joint of two adjacent outer side plates 3 from top to bottom, the two adjacent outer side plates 3 are mutually overlapped and attached at the joint, and a plurality of temperature measuring probes are arranged in the inner tank body 1.
In the use process of the double-layer high-temperature molten salt storage tank, the temperature rises when the inner tank body 1 is filled with liquid, the inner tank body 1 expands to generate outward radial displacement, the outer tank body 10 also expands along with the expansion of the inner tank along with the continuous expansion of the inner tank, the elastic elements 6 in each elastic tightening device are stretched, the elastic elements 6 have tension on the two side wall plates, and at the moment, the outer tank body 10 tightly hoops the inner tank body 1 through the side wall heat insulation plate 2, so that the inner tank body 1 is supported.
When the liquid in the inner tank 1 is discharged and the temperature of the inner tank 1 is reduced, the inner tank 1 is contracted to generate inward radial displacement, and as the elastic elements 6 in each elastic tightening device are in a stretched state, the outer tank 10 formed by splicing the outer side plates 3 always tightly hoops the inner tank 1 through the side wall insulation plates 2 to form a whole, so that the outer tank 10 and the inner tank 1 return to the initial positions, and meanwhile, the elastic suspender 16 is stretched to have upward tension on the top cover plate 21 at the top of the inner tank 1, so that the top cover plate 21 is ensured not to collapse. When the outer tank 10 formed by splicing the outer plates 3 returns to the initial position, the elastic element 6 returns to the initial length, no tension is applied to the outer tank 10, and at this time, the temperature is low, and the inner tank 1 no longer needs to rely on the supporting function of the outer tank 10.
In the use process of the double-layer high-temperature molten salt storage tank, the inner tank body 1 expands outwards, and the outer tank body 10 tightly hoops the inner tank body 1 through the elastic tightening device, so that the inner tank body 1 and the outer tank body 10 form a whole, the outer tank body 10 can play a supporting role on the inner tank body 1, and the inner tank body 1 cannot fail due to high temperature and high hydrostatic pressure. The use temperature of the outer tank is between room temperature and scalding-preventing temperature, which is far smaller than the use temperature of the inner tank body 1, and the strength of the outer tank can be ensured only by using a metal material with common performance; the inner tank 1 needs a metal material with better service performance although the service temperature is high, but has the supporting function of the outer tank 10, so that the thickness of the metal material of the inner tank 1 can be greatly reduced, and the cost is reduced under the condition of ensuring the design requirement. Therefore, the split type double-layer high-temperature molten salt storage tank has the characteristics of being capable of absorbing the thermal deformation of the molten salt storage tank caused by temperature, avoiding leakage caused by overlarge local stress of the molten salt storage tank, further endangering the environment and causing casualties and property loss, reducing the manufacturing cost of the molten salt storage tank, reducing the heat loss of the molten salt storage tank and prolonging the service life.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. Split type double-deck high temperature fused salt storage tank, characterized by: the inner-layer tank body (1) is made of high-temperature-resistant metal materials, a side wall insulation board (2) is attached to the outer side wall of the inner-layer tank body (1), a plurality of arc-shaped outer side boards (3) made of steel materials are arranged on the outer side of the side wall insulation board (2) in a surrounding mode, the top end of each outer side board (3) is fixedly connected with the inner end of one flange arc board (7) respectively, the outer side boards (3) are spliced to form a cylindrical outer-layer tank body (10), the flange arc boards (7) are spliced to form a lower flange plate (8), and a plurality of elastic tightening devices used for elastically connecting the joints of the two outer side boards (3) are arranged at joints of two adjacent outer side boards (3) from top to bottom;
each elastic tightening device comprises a left connecting plate (4) and a right connecting plate (5) which are respectively positioned in the vertical direction, the plate surfaces of the left connecting plate (4) and the right connecting plate (5) are arranged in parallel, one vertical side edge of the left connecting plate (4) is fixedly connected with the outward plate surface of the outer side plate positioned at the left side of the joint, one vertical side edge of the right connecting plate (5) is fixedly connected with the outward plate surface of the outer side plate positioned at the right side of the joint, a plurality of elastic elements (6) are arranged between the left connecting plate (4) and the right connecting plate (5) from top to bottom along the horizontal direction, the left end of each elastic element (6) is respectively connected with the plate surface installation of the left connecting plate (4), and the right end of each elastic element (6) is respectively connected with the plate surface installation of the right connecting plate (5);
a top plate (11) is arranged above the outer tank body (10), the middle part of the top plate (11) is arched upwards, the edge of the top plate (11) is fixedly connected with the inner side edge of the upper flange plate (9), the lower surface of the upper flange plate (9) is attached to the upper surface of the lower flange plate (8), the upper flange plate (9) is connected with the lower flange plate (8) through a plurality of positioning connecting bolts (14), and bolt holes penetrating through the positioning connecting bolts (14) on the upper flange plate (9) and the lower flange plate (8) are long-strip holes extending along the radial direction of the flange plate;
the top of the inner tank body (1) is provided with a top heat preservation layer (15), an expansion cavity (17) is arranged between the top heat preservation layer (15) and a top plate (11), a plurality of elastic suspenders (16) are arranged between the top plate (11) and a top cover plate (21) of the inner tank body (1), the top end of each elastic suspender (16) is respectively connected with the top plate (11), and the bottom end of each elastic suspender (16) is respectively connected with the top cover plate (21) of the inner tank body (1);
the elastic suspension rod (16) can perform elastic displacement along the vertical direction, the elastic displacement range of the elastic suspension rod (16) is larger than the maximum displacement of the top cover plate (21) along the vertical direction when the inner tank body (1) is expanded to the limit by heating, and the tensile load borne by the elastic suspension rod (16) is larger than the sum of the weights of the top cover plate (21) and the top heat insulation layer (15).
2. The split double-layer high temperature molten salt storage tank of claim 1, wherein: the side wall heat-insulating plate (2) and the top heat-insulating layer (15) are respectively formed by splicing a plurality of hard heat-insulating plates, soft heat-insulating materials are filled in plate seams between adjacent hard heat-insulating plates, the outer tank body (10) is made of common carbon structural steel, and the inner tank body (1) is made of heat-resistant steel.
3. The split double-layer high temperature molten salt storage tank of claim 2, wherein: each elastic element (6) is a cylindrical tension spring, each elastic suspender (16) is respectively arranged along the vertical direction, each elastic suspender (16) comprises two connecting rods which are arranged in series at intervals along the vertical direction, and the middle parts of the two connecting rods are connected through the tension springs.
4. A split double-layer high temperature molten salt storage tank as claimed in claim 3, wherein: the outer tank body (10) and the inner tank body (1) are coaxially arranged.
5. The split double-layer high temperature molten salt storage tank of any one of claims 1 to 4, wherein: the lower surface of roof (11) is equipped with a plurality of annular ring support gusset (13) from outside to inside, and the lower surface of roof (11) is equipped with a plurality of bar gusset (12) along radial, every the top of elasticity jib (16) links to each other with ring support gusset (13) or bar gusset (12) installation respectively.
6. The split double-layer high-temperature molten salt storage tank as claimed in claim 5, wherein: the number of the outer side plates (3) is 6-24, 3-12 elastic tightening devices are arranged at the joint of two adjacent outer side plates (3) from top to bottom, and the two adjacent outer side plates (3) are mutually overlapped and attached at the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311482772.9A CN117208428B (en) | 2023-11-09 | 2023-11-09 | Split type double-layer high-temperature molten salt storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311482772.9A CN117208428B (en) | 2023-11-09 | 2023-11-09 | Split type double-layer high-temperature molten salt storage tank |
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| CN117208428A true CN117208428A (en) | 2023-12-12 |
| CN117208428B CN117208428B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311482772.9A Active CN117208428B (en) | 2023-11-09 | 2023-11-09 | Split type double-layer high-temperature molten salt storage tank |
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| CN113184395A (en) * | 2021-04-29 | 2021-07-30 | 中国电建集团江西装备有限公司 | Double-layer jacket high-temperature molten salt storage tank and using method thereof |
| CN214778201U (en) * | 2021-03-03 | 2021-11-19 | 浙江高晟光热发电技术研究院有限公司 | High-temperature molten salt storage tank |
| CN217349194U (en) * | 2022-06-08 | 2022-09-02 | 中国电建集团西北勘测设计研究院有限公司 | External pipeline connection structure of fused salt storage tank suitable for high temperature |
| CN116280764A (en) * | 2023-05-25 | 2023-06-23 | 蓝星(北京)化工机械有限公司 | Double-layer high-temperature molten salt storage tank with air bags |
| CN116772632A (en) * | 2022-03-07 | 2023-09-19 | 蓝星(北京)化工机械有限公司 | Fused salt energy storage heat exchange multifunctional integrated machine |
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- 2023-11-09 CN CN202311482772.9A patent/CN117208428B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515976A (en) * | 1995-08-18 | 1996-05-14 | Plastofilm Industries, Inc. | Packaging for fragile articles within container |
| CN206407412U (en) * | 2016-12-26 | 2017-08-15 | 蓝星(北京)化工机械有限公司 | A kind of salt storage tank device for solar light-heat power-generation system |
| CN207226153U (en) * | 2017-08-31 | 2018-04-13 | 中国成达工程有限公司 | A kind of bilayer film salt storage tank |
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| Publication number | Publication date |
|---|---|
| CN117208428B (en) | 2024-03-01 |
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