Pressure regulating mechanism of rectifying tower

Abstract

The utility model relates to the technical field of chemical rectification, in particular to a rectifying tower pressure regulating mechanism which comprises a tower body, a pressure gauge arranged on the outer surface of the tower body, an air inlet pipe arranged on the outer surface of the tower body close to the bottom, a first exhaust pipe arranged on the outer surface of the tower body close to the top and a second exhaust pipe arranged on the outer surface of the tower body far away from the first exhaust pipe. The tower body is communicated with the second exhaust pipe, an alarm assembly is arranged at the top of the first exhaust pipe, a pressure relief assembly is arranged at one end of the second exhaust pipe, quick release assemblies are symmetrically arranged on the alarm assembly, and a second special-shaped sliding block at one end of a sliding rod is pushed by a first sealing sliding block to move in the direction away from the tower body. The second special-shaped sliding block pushes an ejector rod at the top of the first special-shaped sliding block to move upwards, the ejector rod can abut against a trigger switch at the bottom of a buzzer, the buzzer gives an alarm sound, a worker can find the alarm sound in time and adjust the pressure of the rectifying tower, the explosion possibility of the rectifying tower is avoided, and potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical rectification, especially relates to a rectifying tower pressure regulating mechanism. BACKGROUND

[0002] The rectifying tower is one of the commonly used tools for rectification, and is a very important unit operation equipment in chemical engineering, mainly used for separating liquid-liquid or liquid-gas mixtures, and its basic principle is to realize separation by utilizing the boiling point difference of each component in the mixture.

[0003] The current rectifying tower gradually finds the following defects during installation and use at the user end:

[0004] (1) Most of the traditional rectifying towers are not provided with a bee buzzing alarm device, when the pressure in the rectifying tower increases, if the pressure of the rectifying tower is not adjusted in time, the explosion of the rectifying tower may occur, and there is a great safety hazard.

[0005] (2) Most of the traditional rectifying towers are only provided with one small pressure relief pipe, when the pressure in the rectifying tower is too large, the rectifying tower is relieved by the single pressure relief pipe, the relief efficiency is slow, a large amount of working time is consumed, and the working efficiency is reduced. UTILITY MODEL CONTENTS

[0006] In order to overcome the defects of the prior art pointed out above, the utility model person has made in-depth research, and after paying a large amount of creative labor, the utility model is completed.

[0007] Specifically, the technical problem to be solved by the utility model is to provide a rectifying tower pressure regulating mechanism to solve the technical problem that when the pressure in the current rectifying tower increases, if the pressure of the rectifying tower is not adjusted in time, the explosion of the rectifying tower may occur, and there is a great safety hazard.

[0008] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0009] A rectifying tower pressure regulating mechanism, comprising a tower body, a pressure gauge is arranged on the outer surface of the tower body, an air inlet pipe is arranged on the outer surface of the tower body close to the bottom, a first exhaust pipe is arranged on the outer surface of the tower body close to the top, the first exhaust pipe is in L shape, the tower body and the first exhaust pipe are mutually penetrated, a second exhaust pipe is arranged on the outer surface of the tower body away from the first exhaust pipe, the tower body and the second exhaust pipe are mutually penetrated, an alarm assembly is arranged on the top of the first exhaust pipe, a pressure relief assembly is arranged on one end of the second exhaust pipe, quick release assemblies are symmetrically arranged on the alarm assembly;

[0010] The alarm assembly includes a buzzer, the bottom of the buzzer is provided with a trigger switch, the first exhaust pipe vertical part is symmetrically provided with a limiting plate inside, the first exhaust pipe is provided with a jacking rod inside, the jacking rod is in sliding connection with the limiting plate, the jacking rod is provided with an extrusion plate, the extrusion plate is arranged between the two limiting plates, the jacking rod is provided with a first spring, the first spring is arranged above the extrusion plate, the jacking rod is provided with a first special-shaped sliding block at the bottom end, one side of the first special-shaped sliding block is provided with a guide assembly, and the other side of the first special-shaped sliding block is provided with a driving mechanism.

[0011] As an improved technical solution, wherein: the guide assembly includes a first sliding groove, the first sliding groove is arranged on the inner wall of the first exhaust pipe, and the first sliding groove is in a vertical shape, one side of the first special-shaped sliding block is provided with a first sliding block, and the first sliding block is in sliding connection with the first sliding groove.

[0012] As an improved technical solution, wherein: the driving mechanism includes a first sealing sliding block, the first sealing sliding block is arranged inside the first exhaust pipe transverse part, one side of the first sealing sliding block is provided with a sliding rod, the first exhaust pipe transverse part is provided with a fixed plate inside, the sliding rod is in sliding connection with the fixed plate, the sliding rod is provided with a second spring, the second spring is arranged between the first sealing sliding block and the fixed plate, one end of the sliding rod is provided with a second special-shaped sliding block, and the second special-shaped sliding block is in sliding connection with the first special-shaped sliding block.

[0013] As an improved technical solution, wherein: the second special-shaped sliding block is provided with a second sliding block at the bottom, the first exhaust pipe transverse part is provided with a second sliding groove inside, the second sliding groove is in a horizontal shape, and the second sliding block is in sliding connection with the second sliding groove.

[0014] As an improved technical solution, wherein: the pressure relief assembly includes a first pressure relief pipe, the first pressure relief pipe is arranged on the outer surface of the first exhaust pipe, and the first pressure relief pipe and the first exhaust pipe are mutually penetrated, the first pressure relief pipe is provided with a first one-way valve, the outer surface of the second exhaust pipe is symmetrically provided with a second pressure relief pipe, the second pressure relief pipe and the second exhaust pipe are mutually penetrated, the second pressure relief pipe is provided with a second one-way valve, one end of the second exhaust pipe is provided with an electric push rod, the output end of the electric push rod is drivingly connected with a telescopic rod, and one end of the telescopic rod is provided with a second sealing sliding block.

[0015] As a kind of improved technical solutions, wherein: the quick release assembly includes mounting plate, two the mounting plate is symmetrically provided at the top of the first exhaust pipe, the bottom of the buzzer is symmetrically provided with extension plate, the mounting plate and the extension plate are close to each other, the extension plate side is provided with U-shaped plate, the U-shaped plate is slidably connected with the bolt shaft, one end of the bolt shaft penetrates the extension plate and inserts into the mounting plate, the bolt shaft is provided with step plate, the third spring is sleeved on the outer surface of the bolt shaft, the third spring is arranged between the step plate and the U-shaped plate, the other end of the bolt shaft is provided with pull plate.

[0016] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0017] 1. The first sealing sliding block pushes the second special-shaped sliding block at one end of the sliding rod to move away from the tower body, the second special-shaped sliding block pushes the top rod at the top of the first special-shaped sliding block to move upward, the top rod will push the trigger switch at the bottom of the buzzer, so that the buzzer produces an alarm sound, so that the staff can timely find and adjust the pressure of the rectifying tower, and the possibility of explosion of the rectifying tower is avoided, and the safety hazard is eliminated.

[0018] 2. The first sealing sliding block moves away from the tower body, and then the first pressure relief pipe is exposed, the tower body is relieved through the first pressure relief pipe, then the second sealing sliding block on the telescopic rod is driven by the electric push rod to slide along the second exhaust pipe, and the two second pressure relief pipes are exposed, the internal pressure of the tower body is quickly relieved through the two second pressure relief pipes, the pressure relief efficiency is improved, a lot of working time is saved, and the working efficiency is improved.

[0019] 3. The pull plate drives the bolt shaft to separate from the mounting plate, so that the buzzer is convenient to disassemble, and when the buzzer is damaged, the buzzer is convenient to disassemble and replace. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor. Among them:

[0021] Figure 1 It is the overall structure schematic diagram of the rectifying tower pressure regulating mechanism of the present application.

[0022] Figure 2 It is the sectional structure schematic diagram of the rectifying tower pressure regulating mechanism of the present application.

[0023] Figure 3The utility model discloses a pressure relief subassembly structure schematic view of rectifying tower pressure regulating mechanism.

[0024] Figure 4 The utility model discloses a partial enlarged structure schematic view of rectifying tower pressure regulating mechanism.

[0025] Mark explanation:

[0026] 1, tower body;2, pressure gauge;3, inlet pipe;4, first exhaust pipe;5, second exhaust pipe;6, alarm assembly;61, buzzer;62, trigger switch;63, jacking rod;64, limit plate;65, extruded plate;66, first spring;67, first special-shaped sliding block;681, first sliding groove;682, first sliding block;691, first sealing sliding block;692, sliding rod;693, fixed plate;694, second spring;695, second special-shaped sliding block;696, second sliding block;697, second sliding groove;7, pressure relief subassembly;71, first pressure relief pipe;72, first check valve;73, second pressure relief pipe;74, second check valve;75, electric push rod;76, telescopic rod;77, second sealing sliding block;8, quick release assembly;81, mounting plate;82, extension plate;83, U-shaped plate;84, bolt shaft;85, step plate;86, third spring;87, pull plate. Specific implementation

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0029] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that three schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied simultaneously.

[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0031] As Figure 1 and Figure 4 As shown in the drawings, the present embodiment provides a kind of rectifying tower pressure regulating mechanism, including tower body 1, pressure gauge 2 is equipped on the outer surface of tower body 1, air inlet pipe 3 is equipped on the outer surface of tower body 1 near bottom, first exhaust pipe 4 is equipped on the outer surface of tower body 1 near top, and first exhaust pipe 4 is L-shaped, tower body 1 and first exhaust pipe 4 are mutually through, second exhaust pipe 5 is equipped on the outer surface of tower body 1 away from first exhaust pipe 4, tower body 1 and second exhaust pipe 5 are mutually through, alarm assembly 6 is equipped on the top of first exhaust pipe 4, pressure relief assembly 7 is equipped on one end of second exhaust pipe 5, quick release assembly 8 is symmetrically equipped on alarm assembly 6;

[0032] Alarm assembly 6 includes buzzer 61, trigger switch 62 is equipped on the bottom of buzzer 61, limit plate 64 is symmetrically equipped in the vertical portion inside first exhaust pipe 4, top rod 63 is equipped in first exhaust pipe 4, top rod 63 is slidably connected with limit plate 64, extrusion plate 65 is equipped on top rod 63, extrusion plate 65 is arranged between two limit plates 64, first spring 66 is sleeved on the outer surface of top rod 63, first spring 66 is arranged above extrusion plate 65, first special-shaped sliding block 67 is arranged at the bottom end of top rod 63, guide assembly is arranged on one side of first special-shaped sliding block 67, drive mechanism is arranged on the other side of first special-shaped sliding block 67, top rod 63 on the top of first special-shaped sliding block 67 is pushed upward by drive mechanism, top rod 63 will push trigger switch 62 on the bottom of buzzer 61, so that buzzer 61 generates alarm sound, so that staff can find in time and adjust the pressure of rectifying tower.

[0033] Guide assembly includes first sliding groove 681, first sliding groove 681 is arranged on the inner wall of first exhaust pipe 4, and first sliding groove 681 is vertical, first sliding block 682 is arranged on one side of first special-shaped sliding block 67, first sliding block 682 is slidably connected with first sliding groove 681, and first sliding block 682 on first special-shaped sliding block 67 is guided by first sliding groove 681.

[0034] The driving mechanism comprises a first sealing sliding block 691 arranged inside the transverse portion of the first exhaust pipe 4, and a sliding rod 692 arranged on one side of the first sealing sliding block 691. A fixed plate 693 is arranged inside the transverse portion of the first exhaust pipe 4, and the sliding rod 692 is in sliding connection with the fixed plate 693. A second spring 694 is arranged on the outer surface of the sliding rod 692 and between the first sealing sliding block 691 and the fixed plate 693. A second special-shaped sliding block 695 is arranged at one end of the sliding rod 692, and the second special-shaped sliding block 695 is in sliding connection with the first special-shaped sliding block 67. The first sealing sliding block 691 pushes the second special-shaped sliding block 695 at one end of the sliding rod 692 to move away from the tower body 1, and the second special-shaped sliding block 695 pushes the top rod 63 at the top of the first special-shaped sliding block 67 to move upward, so as to realize transmission of movement.

[0035] The second special-shaped sliding block 695 is provided with a second sliding block 696, and the transverse portion of the first exhaust pipe 4 is provided with a second sliding groove 697 in a horizontal shape. The second sliding block 696 is in sliding connection with the second sliding groove 697, and the second sliding groove 697 guides the second sliding block 696 at the bottom of the second special-shaped sliding block 695.

[0036] As shown in Figure 1 , Figure 2 and Figure 3 , the pressure relief assembly 7 comprises a first pressure relief pipe 71 arranged on the outer surface of the first exhaust pipe 4 and penetrating the first exhaust pipe 4. The first pressure relief pipe 71 is provided with a first one-way valve 72. The outer surface of the second exhaust pipe 5 is symmetrically provided with a second pressure relief pipe 73, and the diameter of the second pressure relief pipe 73 is greater than that of the first pressure relief pipe 71. The second pressure relief pipe 73 penetrates the second exhaust pipe 5 and is provided with a second one-way valve 74. One end of the second exhaust pipe 5 is provided with an electric push rod 75, and the output end of the electric push rod 75 is in transmission connection with an extension rod 76. One end of the extension rod 76 is provided with a second sealing sliding block 77. The first pressure relief pipe 71 and the second pressure relief pipe 73 can quickly relieve the pressure inside the tower body 1, improve the pressure relief efficiency, and save a lot of working time.

[0037] As shown in Figure 1 , Figure 3 and Figure 4As shown, the quick release assembly 8 comprises a mounting plate 81, two mounting plates 81 are symmetrically arranged at the top of the first exhaust pipe 4, the bottom of the buzzer 61 is symmetrically provided with an extension plate 82, the mounting plate 81 and the extension plate 82 are close to each other, one side of the extension plate 82 is provided with a U-shaped plate 83, the U-shaped plate 83 is slidingly connected with a bolt shaft 84, one end of the bolt shaft 84 penetrates through the extension plate 82 and is inserted into the mounting plate 81, the bolt shaft 84 is provided with a step plate 85, the outer surface of the bolt shaft 84 is sleeved with a third spring 86, the third spring 86 is arranged between the step plate 85 and the U-shaped plate 83, the other end of the bolt shaft 84 is provided with a pull plate 87, the bolt shaft 84 is driven by the pull plate 87 to be separated from the mounting plate 81, thereby facilitating the disassembly of the buzzer 61.

[0038] In use, the workers will add material to the tower 1 inside, the material out of the liquid pipe is heated to boiling by the reboiler, providing the rising gas, the rising gas from the gas inlet pipe 3 into the tower 1, and from the gas outlet pipe into the tower top condenser, part of the condensate into reflux liquid from the liquid inlet pipe into the tower 1, when the pressure in the tower 1 abnormally increases during use, the gas enters the first exhaust pipe 4, under the action of pressure, the first sealing slider 691 moves, the second special-shaped slider 695 at one end of the sliding rod 692 is pushed by the first sealing slider 691 to move away from the tower 1, the second special-shaped slider 695 moves along the second sliding groove 697 through the second slider 696, and the second spring 694 is squeezed by the first sealing slider 691 to generate tension, the first sealing slider 691 is driven back to the initial position through the tension of the second spring 694, then the top rod 63 at the top of the first special-shaped slider 67 is pushed upward by the second special-shaped slider 695, the first special-shaped slider 67 moves along the first sliding groove 681 through the first slider 682, and the first spring 66 is squeezed by the top rod 63 through the pressing plate 65 to generate tension, the first special-shaped slider 67 is driven back to the initial position through the tension of the first spring 66, upward movement of the top rod 63 pushes the trigger switch 62 at the bottom of the buzzer 61, so that the buzzer 61 produces an alarm sound, so that the workers can find and adjust the pressure of the rectifying tower in time, avoiding the possibility of explosion of the rectifying tower and eliminating the safety hazard, when the first sealing slider 691 moves away from the tower 1 along the first exhaust pipe 4, the first pressure relief pipe 71 is exposed, the inside of the tower 1 is relieved through the first pressure relief pipe 71, then the electric push rod 75 is started, the second sealing slider 77 on the telescopic rod 76 is driven by the electric push rod 75 to slide along the second exhaust pipe 5, the two second pressure relief pipes 73 are exposed, the inside of the tower 1 is quickly relieved through the two second pressure relief pipes 73, the relief efficiency is improved, a lot of working time is saved, and the working efficiency is improved, when the buzzer 61 is damaged, the worker pulls the pull plate 87, the pull plate 87 drives the bolt shaft 84 to separate from the mounting plate 81, and the bolt shaft 84 squeezes the third spring 86 through the step plate 85 to generate tension, the bolt shaft 84 is driven back to the initial position through the tension of the third spring 86, after the bolt shaft 84 separates from the mounting plate 81, the buzzer 61 is convenient to disassemble and replace.

[0039] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, all of these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A rectifying tower pressure regulating mechanism, comprising a tower body (1), a pressure gauge (2) arranged on the outer surface of the tower body (1), an air inlet pipe (3) arranged on the outer surface of the tower body (1) near the bottom, a first air outlet pipe (4) arranged on the outer surface of the tower body (1) near the top, the first air outlet pipe (4) being L-shaped, the tower body (1) and the first air outlet pipe (4) being mutually penetrable, and a second air outlet pipe (5) arranged on the outer surface of the tower body (1) away from the first air outlet pipe (4), the tower body (1) and the second air outlet pipe (5) being mutually penetrable, characterized in that: the first air outlet pipe (4) is arranged on the outer surface of the tower body (1) in a direction away from the second air outlet pipe (5). The first exhaust pipe (4) top is equipped with alarm assembly (6), one end of the second exhaust pipe (5) is equipped with pressure relief assembly (7), the alarm assembly (6) is equipped with quick release assembly (8) on symmetry; The alarm assembly (6) includes a buzzer (61), the buzzer (61) bottom is equipped with trigger switch (62), the first exhaust pipe (4) vertical part inside is equipped with limit plate (64), the first exhaust pipe (4) is equipped with top rod (63), the top rod (63) and the limit plate (64) are slidably connected, the top rod (63) is equipped with extrusion plate (65), the extrusion plate (65) is arranged between the two limit plates (64), the top rod (63) outer surface is equipped with first spring (66), the first spring (66) is arranged above the extrusion plate (65), the top rod (63) bottom end is equipped with first special-shaped sliding block (67), one side of the first special-shaped sliding block (67) is equipped with guide assembly, the other side of the first special-shaped sliding block (67) is equipped with drive mechanism.

2. A pressure regulating mechanism for a distillation column as defined in claim 1, wherein: The guide assembly includes a first sliding groove (681), the first sliding groove (681) is arranged on the inner wall of the first exhaust pipe (4), and the first sliding groove (681) is vertically arranged, one side of the first special-shaped sliding block (67) is equipped with a first sliding block (682), and the first sliding block (682) is slidably connected with the first sliding groove (681).

3. A pressure regulating mechanism for a distillation column as defined in claim 2, wherein: The drive mechanism includes a first sealing sliding block (691), the first sealing sliding block (691) is arranged in the first exhaust pipe (4) transverse portion, one side of the first sealing sliding block (691) is equipped with a sliding rod (692), the first exhaust pipe (4) transverse portion is equipped with a fixed plate (693), the sliding rod (692) is slidably connected with the fixed plate (693), the sliding rod (692) outer surface is equipped with a second spring (694), the second spring (694) is arranged between the first sealing sliding block (691) and the fixed plate (693), one end of the sliding rod (692) is equipped with a second special-shaped sliding block (695), and the second special-shaped sliding block (695) is slidably connected with the first special-shaped sliding block (67).

4. A pressure regulating mechanism for a distillation column as defined in claim 3, wherein: The second special-shaped sliding block (695) bottom is equipped with second sliding block (696), the first exhaust pipe (4) transverse portion is equipped with second sliding groove (697), the second sliding groove (697) is horizontally arranged, the second sliding block (696) is slidably connected with the second sliding groove (697).

5. A pressure regulating mechanism for a distillation column as defined in claim 4, wherein: The pressure relief assembly (7) comprises a first pressure relief pipe (71) arranged on the outer surface of the first exhaust pipe (4), and the first pressure relief pipe (71) and the first exhaust pipe (4) are mutually penetrated, a first one-way valve (72) is arranged on the first pressure relief pipe (71), the outer surface of the second exhaust pipe (5) is symmetrically provided with a second pressure relief pipe (73), the second pressure relief pipe (73) and the second exhaust pipe (5) are mutually penetrated, a second one-way valve (74) is arranged on the second pressure relief pipe (73), one end of the second exhaust pipe (5) is provided with an electric push rod (75), the output end of the electric push rod (75) is drivingly connected with a telescopic rod (76), one end of the telescopic rod (76) is provided with a second sealing sliding block (77).

6. A pressure regulating mechanism for a distillation column as defined in claim 5, wherein: The quick release assembly (8) comprises a mounting plate (81), two mounting plates (81) are symmetrically arranged on the top of the first exhaust pipe (4), the bottom of the buzzer (61) is symmetrically provided with an extension plate (82), the mounting plate (81) and the extension plate (82) are close to each other, one side of the extension plate (82) is provided with a U-shaped plate (83), the U-shaped plate (83) is slidingly connected with a bolt shaft (84), one end of the bolt shaft (84) penetrates the extension plate (82) and is inserted into the mounting plate (81), a step plate (85) is arranged on the bolt shaft (84), a third spring (86) is arranged on the outer surface of the bolt shaft (84), the third spring (86) is arranged between the step plate (85) and the U-shaped plate (83), and the other end of the bolt shaft (84) is provided with a pull plate (87).

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