CN219367684U - Sealing structure and boiler for steam production - Google Patents
Sealing structure and boiler for steam production Download PDFInfo
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- CN219367684U CN219367684U CN202320757486.8U CN202320757486U CN219367684U CN 219367684 U CN219367684 U CN 219367684U CN 202320757486 U CN202320757486 U CN 202320757486U CN 219367684 U CN219367684 U CN 219367684U
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Abstract
The utility model relates to the technical field of sealing structures, in particular to a sealing structure and a boiler for steam production, which comprises the following components: the sealing structure comprises a sealing structure body, a sealing cover is arranged in the sealing structure, a rotating rod is sleeved in the sealing cover, a sealing plate I is sleeved on the rotating rod, one surface of the sealing plate I is fixedly connected with one end of a cross rod, the other end of the cross rod is fixedly connected with the other end of the sealing plate II, the sealing plate II is sleeved in a rotating column, one end of the rotating column is arranged on a worm wheel, a worm is sleeved on a rotating pipe, two ends of the rotating pipe are fixedly connected with a bracket, the upper surface of the sealing pipe is fixedly connected with a sealing cover through a small bolt, the upper surface of the sealing cover is provided with a sealing cover, and one side of the sealing cover is fixedly connected with a cylinder; the beneficial effects are as follows: the three-layer sealing effect ensures the air tightness of the boiler, has better effect than the common simple welding sealing, and saves trouble and labor by firstly rotating the rotary table to discharge residual air into the sealing pipe and opening the exhaust valve and then opening the sealing cover through the air cylinder when the sealing cover needs to be opened.
Description
Technical Field
The utility model relates to the technical field of boiler sealing, in particular to a sealing structure and a boiler for steam production.
Background
The industrial boiler products are divided into two types, namely steam for generating electricity or supplying gas, for example, steam vaporization can be used in a fertilizer plant, coal is used as a raw material to synthesize chemical fertilizer, the industrial boiler is a typical industrial boiler, the industrial boiler is mainly powered by coal, and a general waste heat boiler of fuel gas is used for recovering waste heat. Industrial boilers are usually circulating fluidized bed boilers, and boilers for steam production are important thermal energy power equipment.
In the prior art, the industrial boiler often has very high requirements on tightness when in use, the traditional boiler sealing cover encloses a comb-shaped plate and a side plate into a circle and is welded with a cover plate, and most sealing doors of the existing boiler are screwed up by adopting threads.
However, there are cases where the sealing of the boiler is not tight and the sealing effect is poor, and most of the sealing doors are hard when closing the door, and many manual turns are required to do so.
Disclosure of Invention
The utility model aims to provide a sealing structure and a boiler for steam production, which are used for solving the problems of poor sealing effect and labor-consuming manual door opening in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a sealing structure, comprising:
the sealing structure comprises a sealing structure body, wherein a bottom plate is arranged at the bottom of the sealing structure, a bracket is erected on the upper surface of the bottom plate, a boiler barrel is installed on the bracket, a sealing cover is sleeved at one end of the boiler barrel, an upper sealing disc is installed at the bottom of the sealing cover, and a lower sealing disc is arranged at one side of the upper sealing disc;
the inner sleeve of the sealing cover is provided with a rotating rod, the rotating rod is sleeved with a first sealing plate, one surface of the sealing plate is fixedly connected with one end of a cross rod, the other end of the cross rod is fixedly connected with a second sealing plate, the upper surface of the sealing cover is fixedly connected with a sealing fixing piece, the upper surface of the sealing fixing piece is provided with a sealing pipe, the sealing pipe is internally provided with a second sealing plate, the second sealing plate is sleeved in a rotating column, one end of the rotating column is installed on a worm wheel, one side of the worm wheel is provided with a worm, the worm is sleeved on the rotating pipe, and two ends of the rotating pipe are fixedly connected with a bracket;
and the upper surface of the sealing tube is fixedly connected with the sealing cap through a small bolt, the upper surface of the sealing cap is provided with a sealing cover, one side of the sealing cover is fixedly connected with the cylinder, one end of the cylinder is fixedly arranged in the cylinder support frame, the other end of the cylinder is fixedly connected with the support frame, and the lower surface of the support frame is fixedly connected with the bottom plate.
Preferably, a sealing strip is arranged in the sealing cover and is in sealing connection with the wall of the boiler barrel.
Preferably, an upper sealing disc is arranged at the bottom of the sealing cover, a lower sealing disc is arranged on one side of the upper sealing disc, the upper sealing disc is fixedly connected with the lower sealing disc through a bolt group, and high-temperature-resistant sealing glue is filled in a gap of the bolt group.
Preferably, a first limiting block is arranged in the sealing cover, a round hole is formed in the upper surface of the sealing tube, a sealing ring is sleeved in the round hole, a rotating column is sleeved in the sealing ring, a second limiting block is arranged in the sealing tube, and a high-temperature-resistant sealing ring is sleeved on the first sealing plate and the second sealing plate.
Preferably, one end of the rotating column is arranged on the worm wheel, one side of the worm wheel is provided with a worm, and the worm wheel and the worm are meshed for transmission.
Preferably, the worm is sleeved on the rotating tube, one side of the worm is provided with a rotating disc, and the rotating disc, the worm and the rotating tube are in rotating connection.
Preferably, the surface of the sealing cover is fixedly connected with a sealing rubber layer.
Preferably, a pressure release valve is arranged on the side face of the sealing cover.
A boiler for steam production comprises the sealing structure.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is characterized in that a sealing cover is sleeved on the boiler mouth to strengthen the boiler mouth and reduce the caliber of the boiler mouth, an upper sealing disk and a lower sealing disk are arranged at the bottom of the sealing cover, so that the sealing cover can be fastened on the barrel wall of the boiler, on the one hand, a high-temperature resistant sealant is filled in a fixed bolt group to further seal the lower side of the sealing cover, the air tightness of the boiler mouth is ensured, a limiting block and a rotating rod are further arranged in the sealing cover, a sealing plate I is sleeved on the rotating rod to preliminarily seal the boiler, one surface of the sealing plate I is fixedly connected with a cross rod, the other end of the cross rod is fixedly connected with a sealing plate II, the sealing plate II is sleeved on the surface of a rolling column, one end of the rotating column is connected with a worm wheel, the worm wheel and a worm on one side are meshed for transmission, the worm wheel is sleeved in the rotating tube, when the worm wheel is rotated, the worm is driven to rotate, the sealing plate II rotates, the sealing plate II drives the cross rod, the sealing plate I rotates, the sealing plate I and the sealing plate II are sleeved with high-temperature-resistant sealing rings, when the sealing plate rotates, the sealing plate I and the sealing plate II touch the limiting block to stop rotating when rotating to a certain angle, and as the sealing plate I and the sealing plate II are sleeved with the high-temperature-resistant sealing rings, friction force is increased, the friction plate cannot rotate by itself, a blank cap is fixedly arranged on one side of the sealing tube, a cylinder supporting frame is additionally arranged on the blank cap, one end of the cylinder body is fixedly arranged in the cylinder supporting frame, the other end of the cylinder body is fixedly arranged on the supporting frame, the cylinder telescopic rod is fixedly connected with the sealing cover, the sealing cover is jacked into the blank cap when the cylinder stretches, and finally sealing is carried out, so that three-layer sealing effect is achieved, and the air tightness of the boiler is ensured, compared with the common simple bolt fixing seal, the sealing device has better effect, when the sealing cover needs to be opened, the rotary table is rotated firstly to discharge the residual gas into the sealing pipe, the pressure release valve is opened to exhaust, the sealing cover is opened through the air cylinder, the danger of manual opening is avoided, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a seal structure according to the present utility model;
FIG. 3 is a schematic view of the main structure of the sealing structure of the present utility model;
FIG. 4 is an isometric cross-sectional view of a seal structure of the present utility model;
fig. 5 is an enlarged view of the structure at a in fig. 4.
In the figure: 1. a sealing structure; 2. a bottom plate; 3. a bracket; 4. a boiler barrel; 5. a sealing cover; 6. an upper sealing plate; 7. a lower sealing plate; 8. a rotating lever; 9. a first sealing plate; 10. a cross bar; 11. a second sealing plate; 12. sealing the firmware; 13. sealing the tube; 14. rotating the column; 15. a worm wheel; 16. a worm; 17. a rotary tube; 18. a cover is closed; 19. a small bolt; 20. sealing cover; 21. a cylinder; 22. a cylinder support; 23. a support frame; 24. a bolt group; 25. a first limiting block; 26. a round hole; 27. a seal ring; 28. a second limiting block; 29. high temperature resistant sealing ring; 30. a rotating disc; 31. a rubber layer; 32. and a pressure release valve.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Examples
Referring to fig. 1 to 5, the present utility model provides a technical solution: a sealing structure, comprising: the sealing structure comprises a sealing structure 1 body, a bottom plate 2 is arranged at the bottom of the sealing structure 1, a support 3 is arranged on the upper surface of the bottom plate 2, a boiler barrel 4 is arranged on the support 3, a sealing cover 5 is sleeved at one end of the boiler barrel 4, an upper sealing disc 6 is arranged at the bottom of the sealing cover 5, a lower sealing disc 7 is arranged at one side of the upper sealing disc 6, a rotating rod 8 is sleeved in the sealing cover 5, a sealing plate I9 is sleeved on the rotating rod 8, the surface of the sealing plate I9 is fixedly connected with one end of a cross rod 10, the other end of the cross rod 10 is fixedly connected with a sealing plate II 11, a sealing firmware 12 is fixedly connected with the upper surface of the sealing cover 5, a sealing pipe 13 is arranged on the upper surface of the sealing firmware 12, a sealing plate II 11 is arranged in the sealing pipe 13, a sealing plate II 11 is sleeved in a rotating column 14, one end of the rotating column 14 is arranged on a worm wheel 15, a worm 16 is arranged on one side of the worm wheel 15, a worm 16 is sleeved on the rotating tube 17, two ends of the rotating tube 17 are fixedly connected with the support 3, the upper surface of the sealing tube 13 is fixedly connected with a sealing cover 18 through a small bolt 19, a sealing cover 20 is arranged on the upper surface of the sealing cover 18, one end of the sealing cover 20 is fixedly connected with a cylinder 21, 21 is fixedly connected with one end of the cylinder 21, 21 is fixedly arranged in the other end of the cylinder 21 is fixedly connected with the support 23, and is fixedly connected with the lower support 23, and is fixedly connected with the bottom plate 23.
The boiler mouth is sleeved with the sealing cover 5 to strengthen the boiler mouth and reduce the caliber of the boiler mouth, the bottom of the sealing cover 5 is provided with the upper sealing disk 6 and the lower sealing disk 7, so that the sealing cover 5 can be fastened on the wall of a boiler barrel on one hand, the lower side of the sealing cover 5 can be further sealed by filling high-temperature resistant sealant in the fixing bolt group 24 on the other hand, the air tightness of the boiler mouth is ensured, a limiting block and an installation rotating rod 8 are further arranged in the sealing cover 5, the rotating rod 8 is sleeved with a sealing plate I9, the boiler is preliminarily sealed, one surface of the sealing plate 9 is fixedly connected with a cross rod 10, the other end of the cross rod 10 is fixedly connected with a sealing plate II 11, the sealing tube 13 is internally provided with a sealing plate II 11, the sealing plate II is sleeved on the surface of a rotating column 14, one end of the rotating column 14 is connected with a worm wheel 15, the worm wheel 15 is meshed with a worm 16 on one side, the worm wheel 16 is sleeved in the rotating pipe 17, when the worm wheel 15 is rotated, the worm 16 is driven to rotate, the second sealing plate 11 rotates, the second sealing plate 11 drives the cross rod 10, the first sealing plate 9 rotates, the first sealing plate 9 and the second sealing plate 11 are sleeved with the high-temperature-resistant sealing ring 29, when the sealing plates rotate to a certain angle, the sealing plates can stop rotating when touching the limiting block, and as the first sealing plate 9 and the second sealing plate 11 are sleeved with the high-temperature-resistant sealing ring 29, friction force is increased, so that the friction plate can not rotate by itself, a sealing cover 18 is fixedly arranged on one side of the sealing pipe 13, a cylinder supporting frame 22 is additionally arranged on the sealing cover 18, one end of a cylinder body is fixed in the cylinder supporting frame 22, the other end of the cylinder body is fixed on the supporting frame 23, the cylinder telescopic rod is fixedly connected with the sealing cover 20, the sealing cover is jacked into the sealing cover 18 when the cylinder stretches, carry out final seal, in conclusion realized three-layer sealed effect, guaranteed the gas tightness of boiler more, have better effect than ordinary simple bolt fastening seal, when needs open sealed lid 20, rotate the rolling disc 30 earlier and in will remaining gas row income sealed tube 13, open relief valve 32 exhaust, rethread cylinder opens sealed lid 20, avoid the danger of manual work opening, easy and simple to handle.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Examples
On the basis of the first embodiment, a sealing strip is arranged in a sealing cover 5 and is in sealing connection with the barrel wall of a boiler barrel 4, an upper sealing disc 6 is arranged at the bottom of the sealing cover 5, a lower sealing disc 7 is arranged on one side of the upper sealing disc 6, the upper sealing disc 6 is fixedly connected with the lower sealing disc 7 through a bolt group 24, high-temperature-resistant sealant is filled in a gap of the bolt group 24, a first limiting block 25 is arranged in the sealing cover 5, a round hole 26 is formed in the upper surface of a sealing tube 13, a sealing ring 27 is sleeved in the round hole 26, a rotating column 14 is sleeved in the sealing ring 27, a second limiting block 28 is arranged in the sealing tube 13, and a first sealing plate 9 and a second sealing plate 11 are sleeved with high-temperature-resistant sealing rings 29.
The sealing cover 5 is sleeved on the barrel wall of the boiler barrel 4, the sealing rubber strip is fixedly connected in the sealing cover 5, the bottom of the sealing cover can be sealed, the bottom of the sealing cover 5 is sleeved with the upper sealing plate 6, the outer wall of the boiler tube 4 is sleeved with the lower sealing plate 7, the upper sealing plate and the lower sealing plate are fixedly connected through the bolt group 24, the sealing cover 5 is fastened on the outer wall of the boiler tube 4, the first limiting block 25 is arranged in the sealing cover 5, the second limiting block 28 is arranged in the sealing tube 13 to limit the rotation angle of the first sealing plate 9 and the second sealing plate 11, the rotation column 14 is sleeved in the sealing ring 27, the rotation column 14 is prevented from pressure release during rotation, the first sealing plate 9 and the second sealing plate 11 are sleeved with the high-temperature-resistant sealing ring 29, and the sealing ring 29 is attached to the sealing cover 5 to the inner wall of the sealing tube 13 to seal.
Examples
On the basis of the second embodiment, one end of the rotating column 14 is installed on the worm wheel 15, one side of the worm wheel 15 is provided with a worm 16, the worm wheel 15 and the worm 16 are in meshed transmission, the worm 16 is sleeved on the rotating pipe 17, one side of the worm 16 is provided with a rotating disc 30, the rotating disc 30 and the worm 16 are in rotating connection with the rotating pipe 17, the surface of the sealing cover 20 is fixedly connected with a layer of sealing rubber layer 31, and the side surface of the sealing cover 20 is provided with a pressure relief valve 32.
The rotating disc 20 drives the worm 16 to rotate in the rotating tube 17, the worm 16 and the worm wheel 15 are meshed and driven, the worm wheel 15 rotates to drive the rotating column 14 to rotate, the rotating column 14 further drives the sealing plate II 11 to rotate, the other end of the cross rod 10 fixedly connected with the surface of the sealing plate II 11 rotates with the sealing plate I9, two layers of sealing are carried out on the inside of the sealing cover 5 and the sealing tube 13, the pressure release valve 32 is closed, the sealing cover 20 is jacked into the blank cap 18 to carry out final sealing through the extension and retraction of the air cylinder 21, and the rubber layer 31 is sleeved on the outer side surface of the sealing cover 20, so that the sealing effect is better.
When in actual use, the boiler mouth is sleeved with the sealing cover to reinforce the boiler mouth and reduce the caliber of the boiler mouth, the bottom of the sealing cover is provided with the upper sealing disk and the lower sealing disk, so that the sealing cover can be fastened on the wall of the boiler barrel on one hand, on the other hand, space can be provided for the sealing structure without damaging the original structure of the boiler, the upper sealing disk and the lower sealing disk are fastened through the bolt groups, the lower side of the sealing cover can be further sealed by filling high-temperature-resistant sealing glue in the fixing bolt groups, the air tightness of the boiler mouth is ensured, the sealing cover is further internally provided with the limiting block and the installation rotating rod, the rotating rod is sleeved with the sealing plate I, one surface of the sealing plate I is fixedly connected with the cross rod, the other end of the cross rod is fixedly connected with the sealing plate II, the sealing plate II is sleeved with the surface of the rolling column, one end of the rotating column is connected with the worm wheel, the worm wheel is meshed with the worm on one side, the worm wheel is sleeved in the rotating pipe, when the worm wheel is rotated, the worm is driven to rotate, the second sealing plate rotates, the second sealing plate drives the cross rod, the first sealing plate rotates, the first sealing plate and the second sealing plate are sleeved with high-temperature-resistant sealing rings, when the sealing plates rotate to a certain angle, the rotation can be stopped when the sealing plates touch the limiting block, and as the first sealing plate and the second sealing plate are sleeved with the high-temperature-resistant sealing rings, the friction force is increased, the friction plate can not rotate by itself, a blank cap is fixedly arranged on one side of the sealing pipe, a cylinder supporting frame is additionally arranged on the blank cap, one end of the cylinder body is fixed in the cylinder supporting frame, the other end of the cylinder body is fixed on the supporting frame, the cylinder telescopic rod is fixedly connected with the sealing cover, the sealing cover is jacked into the blank cap when the cylinder is telescopic, the last sealing is performed, three-layer sealing effect is achieved in total, the air tightness of the boiler is guaranteed, the sealing effect is better than that of the common simple bolt fixing sealing, when the sealing cover needs to be opened, the rotary table is rotated firstly to discharge residual air into the sealing pipe, the pressure release valve is opened to exhaust, the sealing cover is opened through the air cylinder, the danger of manual opening is avoided, and the operation is simple and convenient.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A sealing structure, characterized in that: comprising the following steps:
the sealing structure comprises a sealing structure (1) body, wherein a bottom plate (2) is arranged at the bottom of the sealing structure (1), a support (3) is arranged on the upper surface of the bottom plate (2), a boiler barrel (4) is arranged on the support (3), a sealing cover (5) is sleeved at one end of the boiler barrel (4), an upper sealing disc (6) is arranged at the bottom of the sealing cover (5), and a lower sealing disc (7) is arranged at one side of the upper sealing disc (6);
a rotating rod (8) is sleeved in the sealing cover (5), a first sealing plate (9) is sleeved on the rotating rod (8), the surface of the first sealing plate (9) is fixedly connected with one end of a cross rod (10), the other end of the cross rod (10) is fixedly connected with the surface of a second sealing plate (11), a sealing fixing piece (12) is fixedly connected to the upper surface of the sealing cover (5), a sealing tube (13) is arranged on the upper surface of the sealing fixing piece (12), a second sealing plate (11) is arranged in the sealing tube (13), the second sealing plate (11) is sleeved in a rotating column (14), one end of the rotating column (14) is arranged on a worm wheel (15), one side of the worm wheel (15) is provided with a worm (16), the worm (16) is sleeved on a rotating tube (17), and two ends of the rotating tube (17) are fixedly connected with the support (3);
and the upper surface of the sealing tube (13) is fixedly connected with the blank cap (18) through a small bolt (19), the upper surface of the blank cap (18) is provided with a sealing cover (20), one side of the sealing cover (20) is fixedly connected with the air cylinder (21), one end of the air cylinder (21) is fixedly arranged in the air cylinder supporting frame (22), the other end of the air cylinder (21) is fixedly connected with the supporting frame (23), and the lower surface of the supporting frame (23) is fixedly connected with the bottom plate (2).
2. A sealing arrangement according to claim 1, wherein: sealing strips are arranged in the sealing cover (5) and are connected with the wall of the boiler barrel (4) in a sealing way.
3. A sealing arrangement according to claim 2, wherein: an upper sealing disc (6) is arranged at the bottom of the sealing cover (5), a lower sealing disc (7) is arranged on one side of the upper sealing disc (6), the upper sealing disc (6) is fixedly connected with the lower sealing disc (7) through a bolt group (24), and high-temperature-resistant sealing glue is filled in a gap of the bolt group (24).
4. A seal arrangement according to claim 3, wherein: a first limiting block (25) is arranged in the sealing cover (5), a round hole (26) is formed in the upper surface of the sealing tube (13), a sealing ring (27) is sleeved in the round hole (26), a rotating column (14) is sleeved in the sealing ring (27), a second limiting block (28) is arranged in the sealing tube (13), and a high-temperature-resistant sealing ring (29) is sleeved on the first sealing plate (9) and the second sealing plate (11).
5. A seal arrangement according to claim 4, wherein: one end of the rotating column (14) is arranged on the worm wheel (15), one side of the worm wheel (15) is provided with a worm (16), and the worm wheel (15) and the worm (16) are in meshed transmission.
6. A seal arrangement according to claim 5, wherein: the worm (16) is sleeved on the rotating pipe (17), a rotating disc (30) is arranged on one side of the worm (16), and the rotating disc (30) and the worm (16) are in rotating connection with the rotating pipe (17).
7. A seal arrangement according to claim 6, wherein: the surface of the sealing cover (20) is fixedly connected with a sealing rubber layer (31).
8. A seal arrangement according to claim 7, wherein: the side face of the sealing cover (20) is provided with a pressure relief valve (32).
9. The boiler is used in steam production, its characterized in that: a sealing structure comprising any one of the above claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320757486.8U CN219367684U (en) | 2023-04-07 | 2023-04-07 | Sealing structure and boiler for steam production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320757486.8U CN219367684U (en) | 2023-04-07 | 2023-04-07 | Sealing structure and boiler for steam production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367684U true CN219367684U (en) | 2023-07-18 |
Family
ID=87140470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320757486.8U Active CN219367684U (en) | 2023-04-07 | 2023-04-07 | Sealing structure and boiler for steam production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219367684U (en) |
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2023
- 2023-04-07 CN CN202320757486.8U patent/CN219367684U/en active Active
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