CN216557894U - Novel shunting structure of pipeline leading and pressing pipe in cold box - Google Patents
Novel shunting structure of pipeline leading and pressing pipe in cold box Download PDFInfo
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- CN216557894U CN216557894U CN202122822227.2U CN202122822227U CN216557894U CN 216557894 U CN216557894 U CN 216557894U CN 202122822227 U CN202122822227 U CN 202122822227U CN 216557894 U CN216557894 U CN 216557894U
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Abstract
The utility model discloses a novel shunting structure of a pipeline pressure guiding pipe in a cold box, which comprises a main pipeline, wherein a pressure guiding pipe joint is arranged on the main pipeline, a main pressure guiding pipe is arranged on the pressure guiding pipe joint, a connecting piece is arranged at one end of the main pressure guiding pipe, which is far away from the pressure guiding pipe joint, and two ends of the connecting piece are connected with auxiliary side pressure guiding pipes. This pressure pipe reposition of redundant personnel structure draws, moreover, the steam generator is simple in structure, the installation of being convenient for, adopt the lower aluminium system material of density, the cost of transportation and the installation cost of material are lower, adopt the tee bend structure of reposition of redundant personnel, a person in charge can shunt into two branch pipes even more, can reduce the installation degree of difficulty of drawing the pipe, and reposition of redundant personnel structural design is in the cold box bottom, be convenient for inspect and change, furthermore, three way connection adopts the groove welding with main pressure pipe that draws, three way connection adopts the groove welding with supplementary side pressure pipe, the joint strength of improvement welding seam that this mode can be great, use this reposition of redundant personnel structure, the installation cost of drawing the pipe has effectively been reduced, the risk that the pressure pipe was revealed has been reduced.
Description
Technical Field
The utility model relates to the technical field of a shunting mechanism, in particular to a novel shunting structure of a pipeline pressure guiding pipe in a cold box.
Background
In the fields of air separation, natural gas liquefaction, chemical industry and the like, a low-temperature cold box is the most central static equipment in a whole set of process equipment, when the cold box works, a heat exchanger inside the cold box performs multi-strand fluid cross heat exchange, the condition is complex, in order to detect and monitor the heat exchange performance of the cold box, a pressure guiding pipe needs to be designed on an internal pipeline, the pressure guiding pipe is connected with a pressure transmitter outside the cold box, and on a pressure difference transmitter or a pressure gauge, according to the process flow, two or more than three pressure guiding pipes need to be arranged on the same pipeline sometimes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and designs a novel flow dividing structure of a pipeline pressure guiding pipe in a cold box.
The technical scheme of the utility model is that the novel shunting structure of the pipeline pressure guiding pipe in the cold box comprises a main pipeline, wherein a pressure guiding pipe joint is arranged on the main pipeline, a main pressure guiding pipe is arranged on the pressure guiding pipe joint, a connecting piece is arranged at one end of the main pressure guiding pipe, which is far away from the pressure guiding pipe joint, and two ends of the connecting piece are connected with auxiliary side pressure guiding pipes.
As a further description of the technical solution, the main pressure guiding pipe is a U-shaped pipe, one end of the U-shaped pipe is connected to a pressure guiding pipe joint, and the other end of the U-shaped pipe is connected to a connecting piece.
As a further description of the technical solution, the connecting member is a three-way joint, a top end interface of the three-way joint is connected with the main pressure guiding pipe, and a left interface and a right interface of the three-way joint are respectively connected with the auxiliary side pressure guiding pipe.
As a further description of the present technical solution, the auxiliary side pressure introduction pipe includes a first auxiliary side pressure introduction pipe provided at one end of the three-way joint, and a second auxiliary side pressure introduction pipe provided at the other end of the three-way joint.
As a further description of the present technical solution, a first low-temperature stop valve is disposed at one end of the first auxiliary side pressure guiding pipe, which is far away from the three-way joint, and a second low-temperature stop valve is disposed at one end of the second auxiliary side pressure guiding pipe, which is far away from the three-way joint.
As further description of the technical scheme, a pressure gauge is arranged on the first low-temperature stop valve, and a pressure transmitter is arranged on the second low-temperature stop valve.
As a further description of the present technical solution, the pressure introduction pipe joint is welded to the main pipe.
As a further description of the present technical solution, the main pressure guiding pipe is an aluminum pressure guiding pipe, and the auxiliary side pressure guiding pipe is an aluminum pressure guiding pipe.
The utility model has the advantages of its beneficial effects lies in, this pressure pipe reposition of redundant personnel structure, moreover, the steam generator is simple in structure, the installation is convenient for, adopt the lower aluminium system material of density, the cost of transportation and the installation cost of material are lower, adopt the tee bend structure of reposition of redundant personnel, a person in charge can shunt for two branch pipes even more, can reduce the installation degree of difficulty of pressure pipe, and reposition of redundant personnel structural design is in the cold box bottom, the inspection and the change of being convenient for, in addition, three way connection adopts the groove welding with main pressure pipe, three way connection adopts the groove welding with supplementary side pressure pipe, the joint strength of improvement welding seam that this mode can be great, utilize this reposition of redundant personnel structure, the installation cost of pressure pipe has effectively been reduced, the risk that pressure pipe revealed has been reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an installation structure of the three-way joint of the present invention;
FIG. 3 is a schematic view of the groove welding of a three-way joint of the present invention.
In the figure, 1, a main pipeline; 2. a pressure-leading pipe joint; 3. a main pressure guiding pipe; 4. a connecting member; 5. an auxiliary side pressure guiding pipe; 6. a three-way joint; 7. a first auxiliary side pressure leading pipe; 8. a second auxiliary side pressure leading pipe; 9. a first low temperature stop valve; 10. a second low temperature stop valve; 11. a pressure gauge; 12. a pressure transmitter.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings, and as shown in fig. 1 to fig. 3, a novel shunting structure of a pipeline pressure guiding pipe in a cold box comprises a main pipeline 1, wherein a pressure guiding pipe joint 2 is arranged on the main pipeline 1, the pressure guiding pipe joint 2 is welded on the main pipeline 1, a main pressure guiding pipe 3 is arranged on the pressure guiding pipe joint 2, the main pressure guiding pipe 3 is an aluminum pressure guiding pipe, the weight is light, the installation is convenient, and the cost is low, the main pressure guiding pipe 3 is described in detail below, the main pressure guiding pipe 3 is a U-shaped pipe, one end of the U-shaped pipe is connected with the pressure guiding pipe joint 2, and the other end of the U-shaped pipe is connected with a connecting piece 4.
Keep away from at main pressure pipe 3 and draw pressure coupling 2 one end and be provided with connecting piece 4, be connected with supplementary side pressure pipe 5 at the both ends of connecting piece 4, supplementary side pressure pipe 5 is the aluminum product pressure pipe, and the quality is lighter, the installation of being convenient for, and the cost is lower.
The concrete structure of the connecting piece 4 will be described in detail below, the connecting piece 4 is a three-way joint 6, the top end interface of the three-way joint 6 is connected with the main pressure pipe 3, the left and right interfaces of the three-way joint 6 are respectively connected with the auxiliary side pressure pipe 5, the three-way joint 4 and the main pressure pipe 3 are subjected to groove welding, and the three-way joint 4 and the auxiliary side pressure pipe are subjected to groove welding.
The specific structure of the auxiliary-side pressure introduction pipe 5 will be described in detail below, and the auxiliary-side pressure introduction pipe 5 includes a first auxiliary-side pressure introduction pipe 7 provided at one end of the three-way joint 6, and a second auxiliary-side pressure introduction pipe 8 provided at the other end of the three-way joint 6.
A first low-temperature stop valve 9 is arranged at one end, far away from the three-way joint 6, of the first auxiliary side pressure leading pipe 7, and a second low-temperature stop valve 10 is arranged at one end, far away from the three-way joint 6, of the second auxiliary side pressure leading pipe 8.
The first low-temperature stop valve 9 is provided with a pressure gauge 11, and the second low-temperature stop valve 10 is provided with a pressure transmitter 12.
This pressure pipe reposition of redundant personnel structure, moreover, the steam generator is simple in structure, the installation of being convenient for, adopt the lower aluminium system material of density, the cost of transportation and the installation cost of material are lower, adopt the tee bend structure of reposition of redundant personnel, a person in charge can shunt into two branch pipes even more, can reduce the installation degree of difficulty of pressure pipe, and reposition of redundant personnel structural design is in the cold box bottom, be convenient for inspect and change, furthermore, three way connection 4 adopts the groove welding with main pressure pipe 3, three way connection 4 adopts the groove welding with supplementary side pressure pipe 5, the joint strength of improvement welding seam that this mode can be great, utilize this reposition of redundant personnel structure, the installation cost of pressure pipe has effectively been reduced, the risk that pressure pipe revealed has been reduced.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel cold box in pipeline pressure tube's reposition of redundant personnel structure, includes trunk line (1), its characterized in that, be provided with on trunk line (1) and draw pressure coupling (2), it draws pressure pipe (3) to be provided with the owner on pressure coupling (2), the owner draws pressure pipe (3) to keep away from and draws pressure coupling (2) one end and be provided with connecting piece (4), the both ends of connecting piece (4) are connected with supplementary side and draw pressure pipe (5).
2. A new type of flow dividing structure for pressure pipes in cold box according to claim 1, characterized in that the main pressure pipe (3) is a U-shaped pipe, one end of which is connected to the pressure pipe joint (2) and the other end is connected to the connecting piece (4).
3. The new type of the shunting structure of the pressure pipes in the cold box according to claim 2, wherein the connecting member (4) is a three-way joint (6), the top end of the three-way joint (6) is connected to the main pressure pipe (3), and the left and right interfaces of the three-way joint (6) are respectively connected to the auxiliary pressure pipes (5).
4. A new type of branching structure for pressure pipes in cold box according to claim 3, characterized in that the auxiliary pressure pipe (5) comprises a first auxiliary pressure pipe (7) at one end of the three-way joint (6) and a second auxiliary pressure pipe (8) at the other end of the three-way joint (6).
5. The new flow dividing structure of the pipeline pressure guiding pipe in the cold box according to claim 4, wherein the end of the first auxiliary side pressure guiding pipe (7) away from the three-way joint (6) is provided with a first low temperature stop valve (9), and the end of the second auxiliary side pressure guiding pipe (8) away from the three-way joint (6) is provided with a second low temperature stop valve (10).
6. The new type of the diversion structure of the pressure guiding pipe in the cold box according to claim 5, wherein the first low temperature stop valve (9) is provided with a pressure gauge (11), and the second low temperature stop valve (10) is provided with a pressure transmitter (12).
7. A new type of flow dividing structure for pressure guiding pipe in cold box according to claim 1 is characterized in that the pressure guiding pipe joint (2) is welded on the main pipe (1).
8. The new type of flow dividing structure for pressure pipes in cold box according to claim 4, wherein the main pressure pipe (3) is an aluminum pressure pipe, and the auxiliary pressure pipe (5) is an aluminum pressure pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822227.2U CN216557894U (en) | 2021-11-17 | 2021-11-17 | Novel shunting structure of pipeline leading and pressing pipe in cold box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822227.2U CN216557894U (en) | 2021-11-17 | 2021-11-17 | Novel shunting structure of pipeline leading and pressing pipe in cold box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216557894U true CN216557894U (en) | 2022-05-17 |
Family
ID=81573628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122822227.2U Active CN216557894U (en) | 2021-11-17 | 2021-11-17 | Novel shunting structure of pipeline leading and pressing pipe in cold box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216557894U (en) |
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2021
- 2021-11-17 CN CN202122822227.2U patent/CN216557894U/en active Active
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