Reduced pressure distillation second-line distillation outlet structure convenient for cleaning blockage

Abstract

The utility model discloses a second-line distillation outlet structure for reduced pressure distillation convenient for cleaning blockage. The second-line distillation outlet structure comprises a tubular opening fixedly mounted on the side wall of a tower body, a bent pipe is inserted at the end opening of the tubular opening, a connecting sleeve is movably arranged on the bent pipe, an external thread is arranged on the tubular opening, and an internal thread in threaded connection with the external thread is arranged on the connecting sleeve. According to the reduced pressure distillation second-line distillation outlet structure convenient to clean the blockage, threaded connection is carried out through the internal threads and the external threads until the tubular opening and the bent pipe which are the same in inner diameter are in butt joint with each other, and the tubular opening and the bent pipe are rapidly disassembled and assembled along with the fact that the sealing ring is fixed between the two pipeline ports in an abutting mode. By means of the structure, the disassembly and assembly time can be greatly shortened, meanwhile, the sealing ring is not prone to disengagement and falling off, tightening and sealing can be rapidly achieved during installation, the time for disassembling and cleaning the pipeline is shorter, and the efficiency of the cleaning step is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the pipeline cleaning technical field of crude oil processing equipment, specifically related to a two line distillation outlet structure of vacuum distillation convenient for cleaning blockage. BACKGROUND

[0002] The vacuum distillation process needs to use the vacuum distillation tower body, and the tower body has multiple trays and inlet and outlet pipes, and the tower body has a multi-line processing function.

[0003] According to the disclosure (announcement) number: CN204848761U, the disclosure (announcement) day: 2015-12-09, a kind of vacuum distillation device is disclosed.

[0004] In the prior art including the above patent, since the pipeline connected with multi-line inlet and outlet is usually curvedly distributed, and it is also more difficult to clean the pipeline in later period, but the prerequisite for cleaning the pipeline is to remove the pipeline from the tower body, but usually the tubular port fixedly installed on the pipeline and the tower body is connected using flange, and sealing is arranged between the flange, so a plurality of bolts and nuts need to be unscrewed in the process of disassembling flange, and the operation steps are more complicated, and after the sealing ring is removed, position judgment is needed when reinstalling, to ensure that the sealing ring is reset accurately, to avoid sealing reduction, so the installation time consumed is more, so it is not convenient to remove the pipeline for cleaning blockage, and the efficiency of cleaning steps is reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a two line distillation outlet structure of vacuum distillation convenient for cleaning blockage, to solve the problems generated above.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A two line distillation outlet structure of vacuum distillation convenient for cleaning blockage, comprising a tower body, further comprising a tubular port fixedly installed on the side wall of the tower body, a bend pipe is inserted and connected at the port of the tubular port, and a connecting sleeve is movably arranged on the bend pipe.

[0008] An external thread is formed on the tubular port, and an internal thread screw-connected with the external thread is formed on the connecting sleeve.

[0009] A sealing ring for abutting against the port of the tubular port is fixedly installed at the port of the bend pipe.

[0010] Preferably, an annular external protrusion is fixedly sleeved on the side wall of the bend pipe, and an annular groove is formed in the inner side wall of the connecting sleeve for sliding the external protrusion.

[0011] Preferably, an external recess is formed in the outer side wall of the port of the tubular port, and an external ring is fixedly installed on the port of the bend pipe and slides in the external recess.

[0012] Preferably, the tubular port is further fixedly installed with a gas ring hole matched with the rubber ring.

[0013] Preferably, the elbow port is fixedly installed with an inner ring matched with the gas ring hole.

[0014] Preferably, the outer ring is matched with the inner ring.

[0015] Preferably, a plurality of exhaust ports communicated with the gas ring hole are formed on the tubular port.

[0016] Preferably, a rubber film matched with the external thread is fixedly installed in the exhaust port.

[0017] Preferably, the sealing ring is specifically a rubber ring.

[0018] Preferably, the connecting sleeve is specifically a tubular metal sleeve.

[0019] In the above technical solution, the pressure reduction distillation two-line distillation port structure provided by the utility model has the following beneficial effects: the tubular port and the elbow are mutually docked through thread connection of the internal thread and the external thread, and the sealing ring is fixed between the two pipeline ports, so that the tubular port and the elbow are quickly disassembled and assembled, compared with the traditional fixed mode, the disassembly and assembly time is greatly shortened, the sealing ring is not easy to fall off, and the tubular port and the elbow can be quickly tightened and sealed during reinstallation, so that the pipeline is disassembled and cleaned in a shorter time, and the cleaning efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 The tower body, the tubular port, the elbow and the connecting sleeve provided by the utility model embodiment are assembled as shown in the assembly schematic view of the tower body, the tubular port, the elbow and the connecting sleeve.

[0022] Figure 2 The tubular port, the elbow and the connecting sleeve provided by the utility model embodiment are assembled as shown in the assembly side view of the tubular port, the elbow and the connecting sleeve.

[0023] Figure 3 The tubular port, the elbow and the connecting sleeve provided by the utility model embodiment are assembled as shown in the assembly side view of the tubular port, the elbow and the connecting sleeve. Figure 2 The tubular port, the elbow and the connecting sleeve provided by the utility model embodiment are assembled as shown in the assembly side view of the tubular port, the elbow and the connecting sleeve.

[0024] Figure 4 The tubular port, the elbow and the connecting sleeve provided by the utility model embodiment are assembled as shown in the assembly side view of the tubular port, the elbow and the connecting sleeve.

[0025] Figure 5 The utility model provides a tubular mouth, part elbow pipe, connecting sleeve explosion left side view angle schematic drawing for embodiment of the utility model.

[0026] Mark explanation:

[0027] 1, tower body;2, tubular mouth;21, outer thread;22, outer recess;23, gas ring hole;24, exhaust port;3, elbow pipe;31, outer convex;32, outer ring;33, inner ring;34, sealing ring;4, connecting sleeve;41, inner thread;42, ring groove. Specific implementation

[0028] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0029] As Figures 1-5 Indicated, a kind of for the structure of pressure reduction distillation second-line distillation outlet of easy cleaning blockage, including tower body 1, further including fixedly installed on the tubular mouth 2 of tower body 1 side wall, tubular mouth 2 port place inserts and is connected with elbow pipe 3, and elbow pipe 3 is movably provided with connecting sleeve 4 on it;

[0030] Tubular mouth 2 is provided with outer thread 21, and connecting sleeve 4 is provided with inner thread 41 for being screw-connected with outer thread 21;

[0031] Elbow pipe 3 port is fixedly installed with sealing ring 34 for being used to resist tubular mouth 2 port.

[0032] Specifically, tower body 1 and its side wall and tubular mouth 2 connection mode are prior art, not repeated here elbow pipe 3 is the pipeline of distillation second-line distillation outlet, and pipeline bending mode is prior art, not repeated here.

[0033] Further, the threaded connection mode that outer thread 21 and inner thread 41 realize is prior art, i.e. corresponding with a thread-shaped recessed groove section, another has thread-shaped convex strip section, not repeated here.

[0034] More further, sealing ring 34 uses the installation mode of clamping and embedding, need not use glue to fix sealing ring 34.

[0035] When the elbow pipe 3 with the connecting sleeve 4 is connected with the tubular port 2, the connecting sleeve 4 is axially pulled to the tubular port 2, and the internal thread 41 and the external thread 21 are screwed, until the tubular port 2 and the elbow pipe 3 with the same internal diameter are connected with each other, and the sealing ring 34 is fixed between the two pipe ports, so that the tubular port 2 and the elbow pipe 3 are quickly disassembled and assembled, compared with the traditional fixed mode, the disassembly and assembly time is greatly shortened, and the sealing ring 34 is not easy to fall off, and when reassembling, the tightening and sealing can be quickly realized, so that the pipeline is disassembled and cleaned for a shorter time, and the cleaning efficiency is higher.

[0036] As a further provided embodiment of the utility model, the annular external protrusion 31 is fixedly sleeved on the side wall of the elbow pipe 3, and the ring groove 42 for sliding of the external protrusion 31 is formed in the inner side wall of the connecting sleeve 4.

[0037] The external protrusion 31 provides the limiting of the connecting sleeve 4, the ring groove 42 moves outside the external protrusion 31, so that the connecting sleeve 4 is freely slid outside the elbow pipe 3, and the stability of the threaded connection and the anti-slip ability are guaranteed.

[0038] As another further provided embodiment of the utility model, the outer recess 22 is formed in the outer side wall of the port of the tubular port 2, and the outer ring 32 slidingly sleeved on the outer recess 22 is fixedly installed on the port of the elbow pipe 3.

[0039] Specifically, the outer side wall of the outer ring 32 is flush with the outer side wall of the elbow pipe 3, and the outer diameter of the outer recess 22 is smaller than the outer diameter of the tubular port 2.

[0040] The outer ring 32 is slidably sleeved outside the outer recess 22, so that the elbow pipe 3 and the tubular port 2 have additional shielding protection at the joint gap position, and the sealing shielding effect is increased.

[0041] As another further provided embodiment of the utility model, the gas ring hole 23 in abutting cooperation with the sealing ring 34 is further fixedly installed on the port of the tubular port 2.

[0042] Specifically, the annular gas ring hole 23 is located inside the outer recess 22, and is used for providing a multi-layer blocking effect of the port of the tubular port 2.

[0043] The port of the gas ring hole 23 is abutted and sealed by the sealing ring 34, so that the port of the tubular port 2 with the multi-layer blocking effect is subjected to more sealing treatment, and the sealing effect of the pipeline conveying is improved.

[0044] As a further provided embodiment of the utility model, the inner ring 33 in plug-in cooperation with the gas ring hole 23 is fixedly installed on the port of the elbow pipe 3.

[0045] Specifically, the length of the inner ring 33 is greater than the length of the outer ring 32.

[0046] The tubular mouth 2 is provided with a plurality of ports of the multi-layer barrier, and the inner ring 33 is inserted into the outer ring 32 to form a plurality of curved gaps, so that the sealing effect is further improved.

[0047] As a further provided embodiment of the utility model, the outer ring 32 is matched with the inner ring 33.

[0048] The sealing ring 34 is fixedly embedded between the outer ring 32 and the inner ring 33, so that the sealing ring 34 is not easy to be separated during the sealing process, and the plurality of curved gaps are blocked, and the sealing is strengthened.

[0049] As a further provided embodiment of the utility model, a plurality of exhaust ports 24 are formed in the tubular mouth 2 and communicated with the air ring hole 23.

[0050] During the rotation and insertion of the inner ring 33, the air in the air ring hole 23 is discharged to the outer wall of the tubular mouth 2, so that the resistance during the rotation and insertion is reduced, and the situation that the rotation and insertion cannot be performed due to excessive pressure in the air ring hole 23 is avoided.

[0051] As a further provided embodiment of the utility model, a rubber film matched with the outer thread 21 is fixedly installed in the exhaust port 24.

[0052] Specifically, the rubber film is installed at the port of the exhaust port 24, that is, close to the surface of the outer thread 21, and the rubber film is a film made of corrosion-resistant and high-temperature-resistant rubber material, and the material is a prior art, which will not be described here.

[0053] The compressed air transferred in the air ring hole 23 is transmitted to the plurality of exhaust ports 24, and the rubber film is inflated under pressure, so that the outer wall of the rubber film is filled and blocked at the threaded position, the connection resistance of the threaded connection position is increased, the tubular mouth 2 and the elbow 3 after installation are not easy to be separated, and as the blocking area gradually increases, the side walls of the adjacent rubber films are in contact, and the sealing effect after connection is further strengthened.

[0054] As a further provided embodiment of the utility model, the sealing ring 34 is specifically a rubber ring.

[0055] The sealing ring 34 made of high-temperature-resistant and corrosion-resistant rubber material guarantees the basic sealing protection of the connection between the tubular mouth 2 and the elbow 3, and guarantees the anti-leakage effect of the conveying.

[0056] As a further provided embodiment of the utility model, the connecting sleeve 4 is specifically a tubular metal sleeve.

[0057] The tubular connecting sleeve 4 made of alloy material makes the connection position after connection more corrosion-resistant and pressure-resistant, and guarantees the stability and safety of the connection position.

[0058] Working principle: when the elbow pipe 3 with the connecting sleeve 4 is connected with the tubular port 2, the connecting sleeve 4 is pulled axially at the port of the tubular port 2, and the internal thread 41 and the external thread 21 are screwed, until the tubular port 2 and the elbow pipe 3 with the same inner diameter are connected with each other, and the sealing ring 34 is fixed between the two pipe ports, realizing the quick disassembly and assembly of the tubular port 2 and the elbow pipe 3, and the sealing ring 34 is not easy to fall off, and when reassembling, the tightening and sealing can be quickly realized, so that the time for cleaning the pipeline is shorter.

[0059] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A vacuum distillation second line outlet structure which is convenient for cleaning a clogging, comprising a column body (1), characterized in that, Also include fixedly installed on the tower body (1) side wall of the tubular mouth (2), the tubular mouth (2) port inserts provided with elbow pipe (3), and the elbow pipe (3) is movably provided with a connecting sleeve (4); The tubular mouth (2) is provided with an external thread (21), and the connecting sleeve (4) is provided with an internal thread (41) threadedly connected with the external thread (21); The elbow pipe (3) is fixedly provided with a sealing ring (34) at the port for abutting the tubular mouth (2) port.

2. A vacuum distillation two-line draw port configuration that facilitates the cleaning of blockages, according to claim 1, characterised in that, The elbow pipe (3) is fixedly provided with an annular outer protrusion (31) on the side wall, and the connecting sleeve (4) is provided with an annular groove (42) on the inner side wall for sliding the outer protrusion (31).

3. A vacuum distillation two-line draw port configuration that facilitates the cleaning of blockages, according to claim 1, wherein, The tubular mouth (2) is provided with an outer recess (22) on the outer side wall of the port, and the elbow pipe (3) is fixedly provided with an outer ring (32) sliding on the outer recess (22).

4. A vacuum distillation two-line draw port configuration that facilitates the cleaning of blockages, according to claim 3, wherein, The tubular mouth (2) is further provided with a gas ring hole (23) at the port in abutting cooperation with the sealing ring (34).

5. A vacuum distillation two line draw port configuration that facilitates the cleaning of blockages according to claim 4, wherein, The elbow pipe (3) is fixedly provided with an inner ring (33) at the port in plug-in cooperation with the gas ring hole (23).

6. A vacuum distillation two-line draw port configuration that facilitates the cleaning of blockages, according to claim 5, wherein, The outer ring (32) cooperates with the inner ring (33).

7. A vacuum distillation two line draw port configuration that facilitates the cleaning of blockages according to claim 5, wherein, The tubular mouth (2) is provided with a plurality of exhaust ports (24) communicating with the gas ring hole (23).

8. A vacuum distillation two-line draw port configuration that facilitates the cleaning of blockages, according to claim 7, wherein, The exhaust port (24) is fixedly provided with a rubber film in cooperation with the external thread (21).

9. A vacuum distillation two line draw port configuration that facilitates the cleaning of blockages according to claim 7, wherein, The sealing ring (34) is specifically a rubber ring.

10. A vacuum distillation two line draw port configuration that facilitates the cleaning of a blockage according to claim 7, wherein, The connecting sleeve (4) is specifically a tubular metal sleeve.

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