Pure nitrogen purging and drying device for stainless steel tube

Abstract

The utility model discloses a stainless steel pipe pure nitrogen purging and drying device which comprises a purging assembly, and the purging assembly comprises a connecting pipe. The adjusting assembly comprises a connecting port, a first mounting groove, a second mounting groove and a third mounting groove; the connector is fixedly mounted at one end of the outer surface of the connecting pipe, the first mounting groove is formed in the upper end of the outer surface of the connector, the second mounting groove is formed in the middle end of the outer surface of the connector, and the third mounting groove is formed in the lower end of the outer surface of the connector. Extension pipes with different diameters can be connected through the first mounting groove, the second mounting groove and the third mounting groove, even in stainless steel pipes with different sizes and types, centering can be rapidly achieved, purging work can be started, rapid maintenance is allowed, the downtime of equipment is shortened, continuous and efficient operation of the nitrogen purging device can be ensured, and the service life of the nitrogen purging device is prolonged. And the maintenance cost can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pure nitrogen purging, and particularly relates to a pure nitrogen purging and drying device for stainless steel pipes. Background Art

[0002] In many industrial processes, the presence of oxygen will accelerate the oxidation reaction of metals, leading to corrosion and equipment damage. By purging with an inert gas such as nitrogen, the oxygen in the system can be effectively replaced, thereby slowing down or preventing the occurrence of oxidation reactions, and nitrogen purging can blow out these solid particles from the pipeline to ensure the cleanliness of the pipeline interior.

[0003] The existing pure nitrogen purging and drying device for stainless steel pipes cannot be applied to pipes of various specifications, which will limit the flexibility and applicability of the system. At the same time, the purging pipe drooping inside the stainless steel pipe may lead to low cleaning efficiency and pipeline damage. Therefore, it is necessary to provide a device suitable for different pipeline connections and improve the stability of the pipeline in the center of the stainless steel pipe, providing high flexibility and applicability. Summary of the Invention

[0004] The present invention aims at an installation method of the existing pure nitrogen purging and drying device for stainless steel pipes in the prior art. The existing pure nitrogen purging and drying device for stainless steel pipes cannot be applied to pipes of various specifications, which will limit the flexibility and applicability of the system. At the same time, the purging pipe drooping inside the stainless steel pipe will lead to low cleaning efficiency and pipeline damage. The following technical solutions are proposed:

[0005] A purging assembly, the purging assembly includes a connecting pipe;

[0006] An adjusting assembly, the adjusting assembly includes a connection port, a first installation groove, a second installation groove, and a third installation groove;

[0007] The connection port is fixedly installed at one end of the outer surface of the connecting pipe. The first installation groove is opened at the upper end of the outer surface of the connection port. The second installation groove is opened at the middle end of the outer surface of the connection port. The third installation groove is opened at the lower end of the outer surface of the connection port.

[0008] Preferably, a trolley is placed on the lower surface of the purging device body. A nitrogen cylinder is placed inside the trolley. One side of the outer surface of the purging device body is connected with a connecting pipe.

[0009] Preferably, a movable groove is opened at one end of the outer surface of the connection port. A movable shaft is installed inside the movable groove. A movable rod penetrates through the outer surface of the movable shaft. Torsion springs are installed at both ends of the outer surface of the movable shaft.

[0010] Preferably, as the above technical solution, threaded grooves are provided on the inner walls of the first installation groove, the second installation groove, and the third installation groove, and the diameters of the first installation groove, the second installation groove, and the third installation groove decrease in sequence.

[0011] Preferably, as the above technical solution, an installation component is further included;

[0012] The installation component includes a fixing groove, a fixing hole, a fixing plate, a connecting block, a fixing bolt, and a roller;

[0013] The fixing groove is provided in the middle of one side of the outer surface of the movable rod, the fixing hole is provided on one side of the outer surface of the movable rod, the fixing plate is installed on the upper surface of the movable rod, the connecting block is connected to the lower surface of the fixing plate, the fixing bolt penetrates through the outer surface of the connecting block, and the roller is rotatably installed inside the fixing plate.

[0014] Preferably, as the above technical solution, the connecting block is installed inside the fixing groove, and the fixing bolt penetrates through the inside of the fixing hole.

[0015] The beneficial effects of the present invention are as follows:

[0016] In this utility model, through the provided purging component and adjusting component, before purging, if the length of the connecting pipe meets the usage requirements, directly put one end of the connecting pipe into the stainless steel pipe. If the length of the connecting pipe does not meet the usage requirements, put the external extension pipe into the connection port, and according to the different diameters of the extension pipe, select to install it into the first installation groove, the second installation groove, or the third installation groove. After installation, then put the connecting pipe into the stainless steel pipe, and that's it;

[0017] When inserting the connecting pipe into the stainless steel pipe, under the combined use of the torsion spring and the movable shaft, by using the elastic force of the torsion spring, the angle of the movable rod is adjusted adaptively. By using the contact force between the movable rod and the inner wall of the stainless steel pipe, the connecting pipe will be centered in the middle of the stainless steel pipe. The design of multiple installation grooves enables the device to adapt to pipes of different sizes, improving the versatility and applicability of the equipment. The design of the torsion spring and the movable shaft provides convenience for the staff in operation. Even in stainless steel pipes of different sizes and types, centering can be quickly achieved and purging work can be started;

[0018] In this utility model, through the provided installation component, when putting the connecting pipe into the stainless steel pipe, when the roller is worn out after use, the staff screws out the fixing bolt from the movable rod, and then takes out the fixing plate from the fixing groove. At this time, the connecting block is pulled out from the fixing groove, and then a new roller is installed into the movable rod to facilitate the disassembly and replacement of the roller. This design allows for quick maintenance and reduces equipment downtime, not only ensuring the continuous and efficient operation of the nitrogen purging device but also reducing maintenance costs. Description of the Drawings

[0019] Figure 1 Shown is a schematic diagram of the purging assembly of the present utility model;

[0020] Figure 2 Shown is the schematic of the adjustment assembly of the present utility model Figure 1 ;

[0021] Figure 3 Shown is the schematic of the adjustment assembly of the present utility model Figure 2 ;

[0022] Figure 4 Shown is an exploded schematic diagram of the installation assembly structure of the present utility model.

[0023] Drawings: 11, trolley; 12, nitrogen cylinder; 13, purging device body; 14, connecting pipe; 21, connection port; 22, first installation groove; 23, second installation groove; 24, third installation groove; 25, movable groove; 26, movable shaft; 27, movable rod; 28, coil spring; 31, fixed groove; 32, fixing hole; 33, fixing plate; 34, connecting block; 35, fixing bolt; 36, roller. Detailed implementation manners

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0025] Please refer to Figures 1-4 As shown, this embodiment is a pure nitrogen purging and drying device for stainless steel pipes, including:

[0026] A purging assembly, the purging assembly includes a connecting pipe 14;

[0027] One side of the outer surface of the connecting pipe 14 is connected to a purging device body 13, a trolley 11 is placed on the lower surface of the purging device body 13, and a nitrogen cylinder 12 is placed inside the trolley 11;

[0028] The connecting pipe 14 is used to transport nitrogen into the stainless steel pipe that needs to be purged;

[0029] An adjustment assembly, the adjustment assembly includes a connection port 21, a first installation groove 22, a second installation groove 23, and a third installation groove 24;

[0030] The connection port 21 is fixedly installed at one end of the outer surface of the connecting pipe 14, the first installation groove 22 is opened at the upper end of the outer surface of the connection port 21, the second installation groove 23 is opened at the middle end of the outer surface of the connection port 21, and the third installation groove 24 is opened at the lower end of the outer surface of the connection port 21;

[0031] The first mounting groove 22, the second mounting groove 23 and the third mounting groove 24 are respectively provided at the upper end, the middle end and the lower end of the outer surface of the connection port 21. The diameters of these mounting grooves are different, so that the purge device can adapt to pipelines of different sizes and types, thereby improving the applicability and flexibility of the device;

[0032] A movable groove 25 is formed at one end of the outer surface of the connection port 21, a movable shaft 26 is installed inside the movable groove 25, a movable rod 27 penetrates the outer surface of the movable shaft 26, and a coil spring 28 is installed on one side of the outer surface of the movable shaft 26;

[0033] The coil springs 28 are mounted on both sides of the outer surface of the movable shaft 26 to provide elastic support for the movable rod 27 so that it can automatically adjust and maintain an optimal position.

[0034] Working principle:

[0035] Before performing the purge;

[0036] If the length of the connecting tube 14 meets the use requirements, directly put one end of the connecting tube 14 into the stainless steel tube. If the length of the connecting tube 14 does not meet the use requirements, put the external extension tube into the connecting port 21. According to the different diameters of the extension tube, choose to install it into the first installation groove 22, the second installation groove 23 or the third installation groove 24. After the installation is completed, put the connecting tube 14 into the stainless steel tube.

[0037] When the connecting tube 14 is inserted into the stainless steel pipe, the coil spring 28 and the movable shaft 26 cooperate with each other, and the elastic force of the coil spring 28 is used to adaptively adjust the angle of the movable rod 27, and the contact force between the movable rod 27 and the inner wall of the stainless steel pipe is used to center the connecting tube 14 in the middle of the stainless steel pipe.

[0038] Then, the purge device body 13 is started, and nitrogen is delivered to the purge device body 13 and delivered to the interior of the stainless steel pipe through the connecting pipe 14. The design of the coil spring 28 and the movable shaft 26 provides convenience for the staff in operation.

[0039] This step allows you to connect extension tubes of different diameters and quickly achieve centering and start purging even in stainless steel pipes of different sizes and types.

[0040] See also Figures 1-4 As shown, this embodiment is based on the above embodiment and further includes an installation component;

[0041] The mounting assembly includes a fixing slot 31, a fixing hole 32, a fixing plate 33, a connecting block 34, a fixing bolt 35, and a roller 36;

[0042] The fixing groove 31 is formed in the middle of one side of the outer surface of the movable rod 27, the fixing hole 32 is formed in one side of the outer surface of the movable rod 27, the fixing plate 33 is installed on the upper surface of the movable rod 27, the connecting block 34 is connected to the lower surface of the fixing plate 33, the fixing bolt 35 penetrates through the outer surface of the connecting block 34, and the roller 36 is rotatably installed inside the fixing plate 33;

[0043] The fixing groove 31 is used for fixing and positioning the connecting block 34. The fixing bolt 35 penetrates through the outer surface of the connecting block 34 and is used to fix the connecting block 34 to the movable rod 27. The roller 36 enables the nitrogen purging device to move easily, reducing the labor intensity during operation;

[0044] Working principle:

[0045] When the connecting pipe 14 is placed into the stainless steel pipe and when the roller 36 is worn out after excessive use;

[0046] The staff screws out the fixing bolt 35 from the movable rod 27, and then takes out the fixing plate 33 from the fixing groove 31;

[0047] At this time, the connecting block 34 is pulled out from the fixing groove 31, and a new roller 36 is installed inside the movable rod 27 to facilitate the disassembly and replacement of the roller 36;

[0048] This step, this design allows for quick maintenance, reducing the equipment downtime. It can not only ensure the continuous and efficient operation of the nitrogen purging device, but also reduce the maintenance cost.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them.

Claims

1. Stainless steel pipe pure nitrogen purging and drying device, characterized in that, Comprising: A purging assembly, the purging assembly including a connecting pipe (14); An adjusting assembly, the adjusting assembly including a connection port (21), a first mounting groove (22), a second mounting groove (23), and a third mounting groove (24); The connection port (21) is fixedly installed at one end of the outer surface of the connecting pipe (14). The first mounting groove (22) is opened at the upper end of the outer surface of the connection port (21). The second mounting groove (23) is opened at the middle end of the outer surface of the connection port (21). The third mounting groove (24) is opened at the lower end of the outer surface of the connection port (21).

2. The stainless steel pipe pure nitrogen purging and drying device according to claim 1, wherein, One side of the outer surface of the connecting pipe (14) is connected to a purging device body (13). A trolley (11) is placed on the lower surface of the purging device body (13). A nitrogen cylinder (12) is placed inside the trolley (11).

3. The stainless steel pipe pure nitrogen purging and drying device according to claim 2, wherein An activity groove (25) is opened at one end of the outer surface of the connection port (21). An activity shaft (26) is installed inside the activity groove (25). An activity rod (27) penetrates through the outer surface of the activity shaft (26). Coil springs (28) are installed at both ends of the outer surface of the activity shaft (26).

4. The stainless steel pipe pure nitrogen purging and drying device according to claim 3, characterized in that Thread grooves are opened on the inner walls of the first mounting groove (22), the second mounting groove (23), and the third mounting groove (24), and the diameters of the first mounting groove (22), the second mounting groove (23), and the third mounting groove (24) decrease in sequence.

5. The stainless steel pipe pure nitrogen purging and drying device according to claim 4, wherein Also included is a mounting assembly; The mounting assembly includes a fixing groove (31), a fixing hole (32), a fixing plate (33), a connection block (34), a fixing bolt (35), and a roller (36); The fixing groove (31) is opened at the middle part on one side of the outer surface of the activity rod (27). The fixing hole (32) is opened on one side of the outer surface of the activity rod (27). The fixing plate (33) is installed on the upper surface of the activity rod (27). The connection block (34) is connected to the lower surface of the fixing plate (33). The fixing bolt (35) penetrates through the outer surface of the connection block (34). The roller (36) is rotatably installed inside the fixing plate (33).

6. The stainless steel pipe pure nitrogen purging and drying device according to claim 5, characterized in that, The connection block (34) is installed inside the fixing groove (31), and the fixing bolt (35) penetrates through the inside of the fixing hole (32).

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