Condensation backflow pipeline

Abstract

The utility model relates to a condensation return pipeline, which belongs to the field of condensation return pipes and comprises a relay pipe, the left end and the right end of the relay pipe are provided with connecting mechanisms convenient for thickening connection, and the inner wall of each connecting mechanism is provided with a sealing mechanism for secondary sealing. According to the condensation backflow pipeline, the connecting mechanism is arranged, the two butt-joint pipes are connected with the relay pipe, the two butt-joint pipes can be in butt joint with the two backflow pipe bodies so that the condensation backflow pipeline can be connected and fixed, the positions of the welding grooves correspond to the positions of the welding guiding openings, and then the welding grooves and the welding guiding openings are filled with welding flux; compared with the prior art, after the backflow pipe body is inserted into the inserting groove, the butt joint pipe can increase the wall thickness of the inner side and the outer side of the backflow pipe body in an all-around mode, and therefore damage caused by high-temperature melting of the welding flux is prevented; and the welding groove and the welding guide opening can quickly guide welding flux to flow and fill along the welding groove, and the connection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of condensation reflux pipes, in particular to a condensation reflux pipeline. Background Art

[0002] Condensation reflux pipelines are usually systems used to recover volatile substances in the chemical industry. These pipelines are usually composed of multiple components, including a condenser, a cooler, a reflux device and a control system. In the prior art, the connection of the condensation reflux pipeline is generally fixed by a clamp to the pipeline, but the sealing performance of the clamp fixing method is poor, which may cause condensed water leakage and cause losses during use.

[0003] A condensate return pipe connection mechanism disclosed in Chinese Patent Publication No. (CN211550805U) includes a condensate return pipe, a condensate branch pipe and a fixed structure, wherein the fixed structure includes a convex ring and an annular groove, the convex ring is arranged at the port of the condensate branch pipe, the port of the condensate return pipe is provided with the annular groove, the annular groove is provided with a guide strip, one end of the guide strip is provided with a fixed point, the convex ring is provided with a guide groove matched with the guide strip, the end of the guide groove close to the condensate branch pipe is provided with a fixing groove matched with the fixed point, the outer peripheral surface of the condensate connecting pipe connected to the side of the annular groove is provided with a groove, a supplementary block is provided on the groove, a drainage groove is provided on the bottom surface of the groove, and a conical groove is provided at the connection between the annular groove and the groove. The utility model solves the problem that thin-walled pipes are easily damaged by welding, has the beneficial effects of high reliability and good safety, and is suitable for most working conditions.

[0004] However, the above patent still has the problem of poor connection and sealing effect of the return pipe. For example, in the above patent, the return pipe is aligned with the branch pipe port, and then a groove is opened for welding and fixing. However, the welding method in this method only puts the two pipes together during connection, and the welding and fixing part is still located at the thin wall of the return pipe. Therefore, welding damage will also occur during the welding process, affecting the sealing of the pipe. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a condensation reflux pipeline having the advantages of good connection and sealing effect, etc., thereby solving the problem of poor connection and sealing effect of the reflux pipeline in the prior art.

[0006] To achieve the above object, the utility model provides the following technical solution: a condensation reflux pipeline, comprising a relay pipe, the left and right ends of the relay pipe are provided with a connection mechanism for convenient thickening connection, and the inner wall of the connection mechanism is provided with a sealing mechanism for secondary sealing;

[0007] The connecting mechanism includes two docking tubes, two reflux tube bodies and solder. The two docking tubes are respectively connected to the left and right ends of the relay tube. The left and right ends of the two docking tubes are provided with plug-in grooves. The two reflux tube bodies are respectively slidably connected to the inner walls of the two plug-in grooves. The outer sides of the two reflux tube bodies are provided with welding grooves. The outer sides of the two docking tubes are provided with soldering openings. The solder is filled in the inner walls of the welding grooves and the soldering openings.

[0008] Furthermore, the thickness of the return pipe body is equal to the distance between the upper and lower inner walls of the plug-in slot.

[0009] Furthermore, four guide bars are fixed to the inner walls of the two plug-in slots respectively, four slide grooves are opened on the inner walls of the two return pipe bodies respectively, and the two return pipe bodies are slidably connected to the outer sides of the guide bars via the slide grooves respectively.

[0010] Furthermore, the sealing mechanism includes two fixed sealing gaskets, two fixed rings, two movable sealing rings and two sealing plug rings. The inner walls of the two plug-in grooves are provided with connecting grooves. The two fixed sealing gaskets are respectively fixed to the inner walls of the two connecting grooves, the two fixed rings are respectively fixed to the outer sides of the two return pipe bodies, the two movable sealing rings are respectively fixed to the opposite sides of the two fixed rings, and the two sealing plug rings are respectively fixed to the opposite sides of the two movable sealing rings.

[0011] Furthermore, sealing slots are provided on opposite sides of the two sealing gasket rings, and the two sealing insert rings are respectively inserted into the inner walls of the two sealing slots.

[0012] Furthermore, the thickness of the movable sealing ring is equal to the thickness of the fixed sealing gasket ring.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The condensation reflux pipeline is provided with a connecting mechanism, and two butt-jointed pipes are connected to the relay pipe. The two butt-jointed pipes can be butt-jointed with the two reflux pipe bodies to connect and fix the condensation reflux pipeline. The welding groove and the lead-in soldering port are positioned correspondingly together, and then the solder for welding is filled into the welding groove and the lead-in soldering port. Then, an external welding machine is used to melt the solder to connect the butt-jointed pipe with the reflux pipe body. Compared with the prior art, after the reflux pipe body of the present application is inserted into the plug-in groove, the butt-jointed pipe can increase the wall thickness of the inner and outer sides of the reflux pipe body in all directions, so as to prevent damage caused by high-temperature melting of the solder, and the welding groove and the lead-in soldering port can quickly guide the solder to flow and fill along the welding groove to improve the connection stability.

[0015] 2. The condensing reflux pipeline is provided with a sealing mechanism. When the reflux pipe body is connected to the docking pipe, the fixed ring can move with the reflux pipe body to bring the movable sealing ring into the connecting groove. After the pipeline is welded and fixed, under the action of the pressure generated by the connection, the sealing insert ring can effectively fill the sealing slot to form a reliable seal, ensure that the connection of the pipeline is tight and reliable, and effectively prevent leakage of liquid or gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a front view of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection mechanism of the utility model;

[0019] Figure 4 This is an enlarged view of the sealing mechanism of the utility model.

[0020] In the figure: 1 relay tube, 2 connecting mechanism, 21 docking tube, 22 reflux tube body, 23 solder, 24 plug-in groove, 25 welding groove, 26 soldering port, 27 guide bar, 3 sealing mechanism, 31 fixed sealing gasket, 32 fixed ring, 33 movable sealing ring, 34 sealing plug ring, 35 connecting groove, 36 sealing slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2 A condensation reflux pipeline in this embodiment includes a relay pipe 1. The left and right ends of the relay pipe 1 are provided with connecting mechanisms 2 for convenient thickening connection. The inner wall of the connecting mechanism 2 is provided with a sealing mechanism 3 for secondary sealing.

[0023] See also Figure 3In order to improve the connection stability of the pipeline, the connection mechanism 2 in this embodiment includes two butt-joint pipes 21, two return pipe bodies 22 and solder 23. The two butt-joint pipes 21 are respectively connected to the left and right ends of the relay pipe 1. The left and right ends of the two butt-joint pipes 21 are provided with plug-in grooves 24. The two return pipe bodies 22 are respectively slidably connected to the inner walls of the two plug-in grooves 24. The two butt-joint pipes 21 are connected to the relay pipe 1. The two butt-joint pipes 21 can be butt-jointed with the two return pipe bodies 22 to connect and fix the condensation return pipeline. The two return pipes The outer side of the body 22 is provided with a welding groove 25, and the outer sides of the two butt-joint tubes 21 are provided with a soldering opening 26. When connecting, the return tube body 22 is slid along the outer side of the guide bar 27 through the slide groove to insert the return tube body 22 into the plug-in groove 24. At this time, the butt-joint tube 21 can fit with the return tube body 22 to increase the wall thickness, ensuring that the return tube body 22 can be firmly inserted into the plug-in groove 24 and form a tight connection. The solder 23 is filled in the inner wall of the welding groove 25 and the soldering opening 26, and the solder 23 is melted by an external welding machine to connect the butt-joint tube 21 with the return tube body 22.

[0024] In this embodiment, the thickness of the reflux tube body 22 is equal to the distance between the upper and lower inner walls of the plug-in slot 24. Four guide bars 27 are fixed to the inner walls of the two plug-in slots 24, respectively. The welding slots 25 and the soldering openings 26 are positioned correspondingly together, and then the solder 23 for welding is filled into the welding slots 25 and the soldering openings 26. Four slide grooves are respectively opened on the inner walls of the two reflux tube bodies 22, and the two reflux tube bodies 22 are slidably connected to the outer sides of the guide bars 27 through the slide grooves.

[0025] See also Figure 4 In order to improve the sealing performance of pipeline connection, the sealing mechanism 3 in this embodiment includes two fixed sealing gaskets 31, two fixed rings 32, two movable sealing rings 33 and two sealing plug rings 34. The inner walls of the two plug-in grooves 24 are provided with connecting grooves 35. The two fixed sealing gaskets 31 are respectively fixed to the inner walls of the two connecting grooves 35. The two fixed rings 32 are respectively fixed to the outer sides of the two return pipe bodies 22. When the return pipe body 22 is connected to the docking pipe 21, the fixed ring 32 can move with the return pipe body 22 to bring the movable sealing ring 33 into the connecting groove 35. The two movable sealing rings 33 are respectively fixed to the opposite side of the two fixed rings 32, and the two sealing plug rings 34 are respectively fixed to the opposite side of the two movable sealing rings 33.

[0026] In this embodiment, sealing slots 36 are provided on the opposite sides of the two fixed sealing gasket rings 31, and the two sealing insert rings 34 are respectively inserted into the inner walls of the two sealing slots 36. The thickness of the movable sealing ring 33 is equal to the thickness of the fixed sealing gasket ring 31. After the pipeline is welded and fixed, under the action of the pressure generated by the connection, the sealing insert ring 34 can effectively fill the sealing slot 36 to form a reliable seal, ensure that the connection of the pipeline is tight and reliable, and effectively prevent the leakage of liquid or gas.

[0027] The working principle of the above embodiment is:

[0028] The two butt-joint pipes 21 are connected to the relay pipe 1, and the two butt-joint pipes 21 can be butt-jointed with the two return pipe bodies 22 to connect and fix the condensation return pipe. When connecting, the return pipe body 22 is slid along the outer side of the guide bar 27 through the slide groove to insert the return pipe body 22 into the plug-in groove 24. At this time, the butt-joint pipe 21 can fit with the return pipe body 22 to increase the wall thickness, ensure that the return pipe body 22 can be firmly inserted into the plug-in groove 24, and form a tight connection. The welding groove 25 and the lead welding port 26 are aligned together, and then the welding is The solder 23 is filled into the welding groove 25 and the solder lead 26, and then an external welding machine is used to melt the solder 23 to connect the butt joint pipe 21 with the return pipe body 22. When the return pipe body 22 is connected to the butt joint pipe 21, the fixing ring 32 can move with the return pipe body 22 to bring the movable sealing ring 33 into the connecting groove 35. After the pipeline is welded and fixed, under the action of the pressure generated by the connection, the sealing insert ring 34 can effectively fill the sealing slot 36 to form a reliable seal, ensure that the connection of the pipeline is tight and reliable, and effectively prevent the leakage of liquid or gas.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] The standard parts used in this application document can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. Therefore, this application document will no longer explain the control method and circuit connection in detail.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A condensation reflux pipeline, comprising a relay pipe (1), characterized in that: The left and right ends of the relay pipe (1) are provided with connection mechanisms (2) for convenient thickening connection, and the inner wall of the connection mechanism (2) is provided with a sealing mechanism (3) for secondary sealing; The connecting mechanism (2) comprises two butt-joint tubes (21), two return tube bodies (22) and solder (23); the two butt-joint tubes (21) are respectively connected to the left and right ends of the relay tube (1); the left and right ends of the two butt-joint tubes (21) are provided with plug-in grooves (24); the two return tube bodies (22) are respectively slidably connected to the inner walls of the two plug-in grooves (24); the outer sides of the two return tube bodies (22) are provided with welding grooves (25); the outer sides of the two butt-joint tubes (21) are provided with soldering openings (26); the solder (23) is filled in the inner walls of the welding grooves (25) and the soldering openings (26).

2. A condensation reflux pipeline according to claim 1, characterized in that: The thickness of the return pipe body (22) is equal to the distance between the upper and lower inner walls of the insertion groove (24).

3. The condensation reflux pipeline according to claim 1, characterized in that: Four guide bars (27) are fixed to the inner walls of the two plug-in slots (24), four slide grooves are opened on the inner walls of the two return pipe bodies (22), and the two return pipe bodies (22) are slidably connected to the outer sides of the guide bars (27) via the slide grooves.

4. The condensation reflux pipeline according to claim 1, characterized in that: The sealing mechanism (3) comprises two fixed sealing gaskets (31), two fixed rings (32), two movable sealing rings (33) and two sealing insert rings (34). The inner walls of the two plug-in grooves (24) are provided with connecting grooves (35). The two fixed sealing gaskets (31) are respectively fixed to the inner walls of the two connecting grooves (35). The two fixed rings (32) are respectively fixed to the outer sides of the two return pipe bodies (22). The two movable sealing rings (33) are respectively fixed to the opposite sides of the two fixed rings (32). The two sealing insert rings (34) are respectively fixed to the opposite sides of the two movable sealing rings (33).

5. A condensation reflux pipeline according to claim 4, characterized in that: The two fixed sealing gasket rings (31) are each provided with a sealing slot (36) on one side opposite to the other, and the two sealing insert rings (34) are respectively inserted into the inner walls of the two sealing slots (36).

6. The condensation reflux pipeline according to claim 4, characterized in that: The thickness of the movable sealing ring (33) is equal to the thickness of the fixed sealing gasket ring (31).

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