CN217784430U - Vacuum tube cold box joint - Google Patents
Vacuum tube cold box joint Download PDFInfo
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- CN217784430U CN217784430U CN202221526708.7U CN202221526708U CN217784430U CN 217784430 U CN217784430 U CN 217784430U CN 202221526708 U CN202221526708 U CN 202221526708U CN 217784430 U CN217784430 U CN 217784430U
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Abstract
The utility model discloses a vacuum tube wears cold box and connects, include: a process liquid conduit; the periphery of the flow liquid pipeline is sleeved with a vacuum outer pipe; two ends of the vacuum outer tube are respectively plugged by a first steel plate sleeve and a second steel plate sleeve; a third steel plate sleeve for contacting the panel of the cold box is sleeved on the periphery of the vacuum outer tube; the third steel plate sleeve is in clearance fit with the cold box panel and the vacuum outer tube; the gap between the third steel plate sleeve and the vacuum outer tube and the gap between the third steel plate sleeve and the cold box panel are sealed by welding; the vacuum outer tube is provided with a heat preservation space for storing the pearl sand; a filling port for injecting pearl sand into the heat-insulating space is formed above the vacuum outer tube; and a plugging substance for plugging the filling port is arranged in the filling port. The vacuum tube cold box penetrating joint is simple and reliable in structure, can efficiently preserve heat of an interface for connecting the cold box and external equipment, is small in space required by installation, is suitable for a scene with small installation space, and is simple in tube arrangement.
Description
Technical Field
The utility model relates to a technical field of the output of low temperature cooler bin connects, concretely relates to vacuum tube wearing cooler bin connects.
Background
With the development of industrial infrastructure in China and more requirements for cold box construction, the heat preservation of pipelines out of the cold box is particularly difficult due to the extremely low working temperature of the low-temperature liquid. Through the heat preservation of traditional mode, it is very big to keep warm thickness, and the piping lane is difficult to provide sufficient space and carries out traditional heat preservation, so the mode of vacuum line cold insulation is often adopted by the design unit.
However, at the joint of the vacuum pipeline and the cold box, a design unit usually has no proper structure to be excessive, the conventional method is to carry out traditional heat preservation at the joint of the vacuum pipeline and the pipeline in the cold box according to actual conditions on site, the product pipeline of the cold box cannot be intensively arranged due to too large heat preservation thickness, the pipeline arrangement is not facilitated, the high-altitude heat preservation work on site is difficult, the construction difficulty is very large, and the risk of cold brittleness of the panel often exists because the heat preservation between the pipeline and the panel of the cold box is not properly processed.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To above current vacuum pipe and cold box junction, traditional heat preservation is done according to actual conditions at vacuum pipe and cold box interior conduit butt joint department on the spot, because of keeping warm thickness too big, the product pipeline interval of cold box is too big can not concentrate the arrangement, is unfavorable for the pipeline to arrange, and at the high altitude heat preservation work difficulty on the spot, the construction degree of difficulty is very big, and because the heat preservation between pipeline and the cold box panel does not carry out suitable processing, often has the problem of the cold fragile risk of panel, this application provides a vacuum pipe and wears cold box joint.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
a vacuum tube through-the-cold box joint comprising: a flow liquid pipeline for outputting liquid in the cooling box; the periphery of the flow liquid pipeline is sleeved with a vacuum outer pipe; two ends of the vacuum outer tube are respectively plugged by a first steel plate sleeve and a second steel plate sleeve; the first steel plate sleeve and the second steel plate sleeve are sleeved on the periphery of the process liquid pipeline and are in clearance fit with the liquid process pipeline and the vacuum outer pipe respectively; the gap between the first steel plate sleeve and the process liquid pipeline and the gap between the first steel plate sleeve and the pipe wall of the vacuum outer pipe are sealed by welding; the gap between the second steel plate sleeve and the flow liquid pipeline and the gap between the second steel plate sleeve and the pipe wall of the vacuum outer pipe are sealed by welding; a third steel plate sleeve for contacting the panel of the cold box is sleeved on the periphery of the vacuum outer tube; the third steel plate sleeve is in clearance fit with the cold box panel and the vacuum outer tube; the gap between the third steel plate sleeve and the vacuum outer tube and the gap between the third steel plate sleeve and the cold box panel are sealed by welding; the vacuum outer tube is provided with a heat preservation space for storing the pearl sand; a filling port for injecting pearl sand into the heat-insulating space is formed above the vacuum outer tube; and a plugging substance for plugging the filling port is arranged in the filling port.
Further, the plugging object is a plug; an internal thread is formed in the filling port; the screw plug threads are screwed into the filling port.
Further, the vacuum outer tube includes: a first diameter pipe and a second diameter pipe communicated to the first diameter pipe; the first diameter pipe and the second diameter pipe jointly form a heat preservation space; the diameter of the second diameter pipe is larger than that of the first diameter pipe; the length of the second diameter pipe is less than that of the first diameter pipe; one end of the second diameter pipe is plugged through a fourth steel plate sleeve; the fourth steel plate is sleeved on the periphery of the first diameter pipe and is in clearance fit with the first diameter pipe and the second diameter pipe; gaps between the fourth steel plate sleeve and the first diameter pipe and between the fourth steel plate sleeve and the second diameter pipe are sealed through welding; the first steel plate sleeve blocks one end of the first diameter pipe; the second steel plate sleeve simultaneously blocks the other end of the first diameter pipe and the other end of the second diameter pipe.
Further, the outer diameter of the fourth steel plate sleeve is equal to the outer diameter of the second steel plate sleeve.
Further, the tube wall of the second diameter tube is made of a stainless steel material.
Further, the thickness value range of the third steel plate sleeve is more than or equal to 4mm and less than 6mm.
Further, the thickness value of the third steel sheet sleeve is 6mm.
Further, the thickness value ranges of the first steel plate sleeve, the second steel plate sleeve and the fourth steel plate sleeve are more than or equal to 4mm and less than 6mm.
Further, the difference range between the outer diameter of the third steel plate sleeve and the outer diameter of the second diameter pipe is greater than or equal to 50mm and less than or equal to 80mm.
Further, the difference between the outer diameter of the third steel plate sleeve and the outer diameter of the second diameter tube is 50mm.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model provides a cold box joint is worn to vacuum tube's simple structure, reliable constitutes a parcel in the vacuum space of process liquid pipeline periphery through welding vacuum outer tube, first steel sheet cover, second steel sheet and fourth steel sheet cover to pack pearly-lustre sand in vacuum space and keep warm, can carry out high-efficient heat preservation to the interface that cold box and external equipment are connected, the required space of installation is little, is applicable to the little scene of installation space, and the calandria is simple. Through the sealing connection structure between third steel sheet cover and the cold box panel, can effectively release low temperature to the cold box panel to avoid cold brittle failure of cold box panel. Through the splicing between the pipelines and the sealing welding only on the connection gap, the welding workload during the field installation is greatly reduced, the installation and operation process is simple, and the device is suitable for the high-altitude installation operation.
Drawings
Fig. 1 is a schematic view of a vacuum tube through-cooling box joint according to an embodiment of the present invention;
the vacuum pipe cold box joint 10, the process liquid pipeline 11, the vacuum outer pipe 12, the heat preservation space 121, the filling port 122, the first diameter pipe 123, the second diameter pipe 124, the first steel plate sleeve 13, the second steel plate 14, the third steel plate sleeve 15, the fourth steel plate sleeve 16, the pearl sand 17, the plugging object 18 and the cold box panel 19.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.
Example 1
As shown in fig. 1, for the utility model discloses a vacuum tube wearing cold box joint 10, include: a process liquid pipe. The process liquid pipe is used for outputting the low-temperature liquid in the cooling box to another low-temperature device. For the heat preservation of the low-temperature liquid in the process liquid pipe, the vacuum outer pipe 12 is sleeved on the periphery of the process liquid pipe 11, and the heat preservation is carried out by utilizing a vacuum pipe structure. Two ends of the vacuum outer tube 12 are respectively sealed through a first steel plate sleeve 13 and a second steel plate sleeve 14. During installation, the first steel plate sleeve 13 and the second steel plate sleeve 14 are sleeved on the periphery of the flow liquid pipeline 11 and are in clearance fit with the liquid flow pipeline and the vacuum outer pipe 12 respectively, then the clearance between the first steel plate sleeve 13 and the flow liquid pipeline 11 and the clearance between the pipe walls of the vacuum outer pipe 12 are sealed through welding, and the clearance between the second steel plate sleeve 14 and the flow liquid pipeline 11 and the clearance between the pipe walls of the vacuum outer pipe 12 are also sealed through welding. The structure of butt joint and welding seal between the pipelines has simple assembly and simple welding process.
In addition, a third steel plate sleeve 15 is sleeved on the periphery of the vacuum outer tube 12 and used for contacting the cold box panel 19. Specifically, the third steel plate sleeve 15 is in clearance fit with the cold box panel 19 and the vacuum outer tube 12, and then the clearance between the third steel plate sleeve 15 and the vacuum outer tube 12 and the clearance between the third steel plate sleeve 15 and the cold box panel 19 are sealed by welding, so that the outlet of the cold box panel 19 can be sealed, the low temperature of the cold box panel 19 can be effectively released, and the cold and brittle conditions of the cold box panel 19 are avoided. When installed, the third steel sheet jacket 15 is disposed on the outside of the cold box panel 19.
The vacuum outer tube 12 is formed with a heat-insulating space 121. The heat preservation space 121 is used for storing the pearly-lustre sand 17 so as to preserve heat of low-temperature liquid in the flow liquid pipe. A filling opening 122 is formed above the vacuum outer tube 12 for injecting pearl sand 17 into the heat-insulating space 121 for heat insulation. The filling port 122 is arranged above the vacuum outer tube 12, so that the heat-insulating space 121 can be filled with the pearl sand 17 under the action of gravity of the pearl sand 17, and the heat-insulating effect is ensured. A stopper 18 is provided in the filling port 122 for closing the filling port 122 to maintain a vacuum in the insulation space 121.
That is to say, the vacuum tube cold box joint 10 has a simple and reliable structure, a vacuum space wrapped on the periphery of the flow liquid pipeline 11 is formed by welding the vacuum outer tube 12, the first steel plate sleeve 13, the second steel plate 14 and the fourth steel plate sleeve 16, and the vacuum space is filled with the pearl sand 17 for heat preservation, so that the interface for connecting the cold box and external equipment can be efficiently preserved, the space required by installation is small, the vacuum tube cold box joint is suitable for a scene with a small installation space, and the tube bank is simple. Through the sealing connection structure between the third steel plate sleeve 15 and the cold box panel 19, the low temperature of the cold box panel 19 can be effectively released, so that the cold and brittle fracture of the cold box panel 19 is avoided. Through the splicing between the pipelines and the sealing welding only on the connection gap, the welding workload during the field installation is greatly reduced, the installation and operation process is simple, and the device is suitable for the high-altitude installation operation.
In one embodiment, the stopper 18 is a threaded stopper with internal threads formed in the fill port 122. The plug is screwed into the filling port 122 to seal the filling port 122, and the mounting structure is simple and the sealing effect is good. That is to say, the filling opening 122 adopts a thread sealing mode, and the thread sealing is easy to operate and is convenient for supplementing the pearl sand 17 at any time. In a sealed space, the heat-insulating medium is the pearly-lustre sand 17, the pearly-lustre sand 17 is utilized, the fluidity is good, the particles are fine, the filling is convenient, the excellent heat-insulating effect can be provided, and the pearly-lustre sand 17 is relatively cheap and easy to obtain, so that the economic performance is good.
As a specific embodiment, the vacuum outer tube 12 includes: a first diameter pipe 123 and a second diameter pipe 124. The second diameter pipe 124 is connected to the first diameter pipe 123 and forms the heat-insulating space 121 together with the first diameter pipe 123. During design, the diameter of the second diameter pipe 124 is made larger than that of the first diameter pipe 123, and the length of the second diameter pipe 124 is made smaller than that of the first diameter pipe 123, as shown in fig. 1, by such a double-layer progressive structure, the heat preservation effect of the vacuum outer pipe 12 can be ensured, and meanwhile, the structure facilitates butt joint of the vacuum outer pipe 12 with other equipment, and facilitates pipeline arrangement.
Specifically, one end of the second diameter tube 124 is sealed by the fourth steel sheet sleeve 16. The fourth steel plate sleeve 16 is sleeved on the periphery of the first diameter pipe 123, is in clearance fit with the first diameter pipe 123 and the second diameter pipe 124, gaps between the fourth steel plate sleeve 16 and the first diameter pipe 123 and between the fourth steel plate sleeve 16 and the second diameter pipe 124 are also sealed through welding, and the sealing between pipelines is simpler through a welding process. The first steel plate sleeve 13 blocks one end of the first diameter pipe 123, and the second steel plate 14 sleeve simultaneously blocks the other end of the first diameter pipe 123 and the other end of the second diameter pipe 124. Such seal structure equipment is simple and it is effectual to keep warm.
In a specific embodiment, the outer diameter of the fourth steel sheet sleeve 16 is equal to the outer diameter of the second steel sheet sleeve 14. During production, the steel plate sleeve with the same outer diameter is only required to be provided with different inner diameters according to the outer diameter of the first diameter pipe 123 and the outer diameter of the flow liquid pipe, and the processing is simpler.
As a specific embodiment, the wall of the second diameter tube 124 is made of stainless steel, which has high structural strength and stability.
In a specific embodiment, the thickness of the third steel sheet cover 15 ranges from 4mm to 6mm. This increases the heat dissipation area and ensures effective release of the temperature of the cold box panel 19.
In the scheme, the thickness value of the third steel plate sleeve 15 is 6mm.
In a specific embodiment, the thickness values of the first steel plate sleeve 13, the second steel plate sleeve 14 and the fourth steel plate sleeve 16 range from 4mm to 6mm. This ensures the structural strength of the overall structure.
In a specific embodiment, the difference between the outer diameter of the third steel plate cover 15 and the outer diameter of the second diameter tube 124 is greater than or equal to 50mm and less than or equal to 80mm. In the present embodiment, the difference between the outer diameter of the third steel plate cover 15 and the outer diameter of the second diameter pipe 124 is 50mm. Due to the structural arrangement, the working temperature of the third steel plate sleeve 15 can be regarded as normal temperature, so that the cold box panel 19 is effectively protected, and the cold brittleness of the cold box panel 19 can be effectively avoided.
The solid triangular pattern in fig. 1 is a representation of the welded structure.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. A vacuum tube through-the-cold box joint, comprising: the process liquid pipeline is used for outputting liquid in the cooling box; the periphery of the flow liquid pipeline is sleeved with a vacuum outer pipe; two ends of the vacuum outer tube are respectively plugged by a first steel plate sleeve and a second steel plate sleeve; the first steel plate sleeve and the second steel plate sleeve are sleeved on the periphery of the process liquid pipeline and are in clearance fit with the process liquid pipeline and the vacuum outer pipe respectively; the gap between the first steel plate sleeve and the flow liquid pipeline and the gap between the first steel plate sleeve and the pipe wall of the vacuum outer pipe are sealed by welding; the gap between the second steel plate sleeve and the flow liquid pipeline and the gap between the second steel plate sleeve and the pipe wall of the vacuum outer pipe are sealed by welding; a third steel plate sleeve used for contacting a panel of the cold box is further sleeved on the periphery of the vacuum outer tube; the third steel plate sleeve is in clearance fit with the cold box panel and the vacuum outer pipe; the gap between the third steel plate sleeve and the vacuum outer tube and the gap between the third steel plate sleeve and the cold box panel are sealed by welding; the vacuum outer tube is provided with a heat preservation space for storing the pearl sand; a filling opening for injecting the pearl sand into the heat-insulation space is formed above the vacuum outer tube; and a plugging object for plugging the filling port is arranged in the filling port.
2. A vacuum tube through cold box joint according to claim 1,
the plugging object is a plug; an internal thread is formed in the filling port; the plug thread is screwed into the filling port.
3. A vacuum tube through cold box joint according to claim 1,
the vacuum outer tube includes: a first diameter pipe and a second diameter pipe communicated to the first diameter pipe; the first diameter pipe and the second diameter pipe jointly form the heat preservation space; the diameter of the second diameter tube is larger than that of the first diameter tube; the length of the second diameter tube is less than the length of the first diameter tube; one end of the second diameter pipe is plugged through a fourth steel plate sleeve; the fourth steel plate is sleeved on the periphery of the first diameter pipe and is in clearance fit with the first diameter pipe and the second diameter pipe; gaps between the fourth steel plate sleeve and the first diameter pipe and between the fourth steel plate sleeve and the second diameter pipe are sealed through welding; the first steel plate sleeve blocks one end of the first diameter pipe; and the second steel plate sleeve simultaneously blocks the other end of the first diameter pipe and the other end of the second diameter pipe.
4. A vacuum tube through cold box joint according to claim 3,
and the outer diameter of the fourth steel plate sleeve is equal to that of the second steel plate sleeve.
5. A vacuum tube through cold box joint according to claim 3,
the pipe wall of the second diameter pipe is made of stainless steel materials.
6. A vacuum tube through cold box joint according to claim 3,
the thickness value range of the third steel plate sleeve is more than or equal to 4mm and less than 6mm.
7. A vacuum tube through cold box joint according to claim 6,
the thickness value of the third steel plate sleeve is 6mm.
8. A vacuum tube through cold box joint according to claim 3,
the thickness value ranges of the first steel plate sleeve, the second steel plate sleeve and the fourth steel plate sleeve are more than or equal to 4mm and less than 6mm.
9. A vacuum tube through cold box joint according to claim 3,
the difference range between the outer diameter of the third steel plate sleeve and the outer diameter of the second diameter pipe is greater than or equal to 50mm and less than or equal to 80mm.
10. A vacuum tube through cold box joint according to claim 9,
the difference between the outer diameter of the third steel plate sleeve and the outer diameter of the second diameter pipe is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221526708.7U CN217784430U (en) | 2022-06-17 | 2022-06-17 | Vacuum tube cold box joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221526708.7U CN217784430U (en) | 2022-06-17 | 2022-06-17 | Vacuum tube cold box joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784430U true CN217784430U (en) | 2022-11-11 |
Family
ID=83935420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221526708.7U Active CN217784430U (en) | 2022-06-17 | 2022-06-17 | Vacuum tube cold box joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784430U (en) |
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2022
- 2022-06-17 CN CN202221526708.7U patent/CN217784430U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 280 Xingye Road, Leidian Town, Deqing County, Huzhou City, Zhejiang Province, 313200 Patentee after: Yingde Gas Engineering (Zhejiang) Co.,Ltd. Address before: 313200 Jingyi Road, Deqing Linhang Industrial Zone, LEIDIAN Town, Deqing County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address |