Rectifying tower backflow control mechanism

Abstract

The utility model belongs to the technical field of rectifying tower backflow control equipment, and discloses a rectifying tower backflow control mechanism which comprises a rectifying tower, an upper discharging pipe is installed on the top of the rectifying tower and communicated with a lifting section of the rectifying tower, a condensing pipe is installed on the upper discharging pipe and communicated with the upper discharging pipe, and a condenser is installed on the condensing pipe and communicated with the upper discharging pipe. A detachable backflow box is installed at the end, away from the condensation pipe, of the condensation pipe, a liquid level meter is installed in the backflow box, a backflow pipe is installed on the backflow box, the end, away from the backflow box, of the backflow pipe is installed on the rectifying tower, the backflow pipe is communicated with the backflow box and the rectifying tower, a backflow control valve is installed on the backflow pipe, and the backflow box is composed of a box body and a box cover. The box cover is detachably installed at the opening of the box body, and the condensation pipe is installed at the top of the box body and communicates with the box body. The backflow rate of the rectifying tower can be conveniently controlled, the connection structure of the backflow box and the rectifying tower is simple, and the backflow box can be conveniently detached and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying column reflux control equipment technical field especially relates to a rectifying column reflux control mechanism. BACKGROUND

[0002] Rectifying column reflux control mechanism is an important control component in rectifying tower, is used for controlling the reflux rate of entering tower body and the distillate composition of tower top product, and it is based on feedback regulation principle realizes, can realize the steady state operation in tower through the continuous detection and correction.

[0003] At present rectifying column reflux control mechanism mainly comprises liquid level meter, control valve, instrument etc., but the inventor found in practical application that: the reflux tank for recycling is connected with the reflux pipe of rectifying tower, the structure is relatively complex, and it is not favorable for the disassembly cleaning of reflux tank, therefore, we provide a rectifying column reflux control mechanism. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of prior art pointed out above, the inventor has made in-depth research, and after paying a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a rectifying column reflux control mechanism to solve the technical problem that the reflux tank for recycling is connected with the reflux pipe of rectifying tower, the structure is relatively complex, and it is not favorable for the disassembly cleaning of reflux tank.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] A rectifying column reflux control mechanism, comprising a rectifying tower, the top of the rectifying tower is provided with an upper discharge pipe, and the upper discharge pipe is communicated with a stripping section of the rectifying tower, a condenser pipe is installed on the upper discharge pipe, and the condenser pipe is communicated with the upper discharge pipe, a detachable reflux tank is installed on the end of the condenser pipe away from the condenser pipe, a liquid level meter is installed in the reflux tank, a reflux pipe is installed on the reflux tank, and the end of the reflux pipe away from the reflux tank is installed on the rectifying tower, the reflux pipe is communicated with the reflux tank and the rectifying tower, and a reflux control valve is installed on the reflux pipe.

[0008] As an improved technical scheme, the reflux tank is composed of a tank body and a tank cover, the tank cover is detachably installed at the opening of the tank body, the condenser pipe is installed on the top of the tank body, the condenser pipe is communicated with the tank body, and the reflux pipe is installed on one side of the tank body, and the reflux pipe is communicated with the tank body.

[0009] As an improved technical scheme, the outer surface of the opening of the box is provided with a guide groove.

[0010] The box cover has an inverted U-shaped structure of a vertical clamping part and a horizontal shielding part, the inner side of the vertical clamping part is provided with a guide lug integrally formed and corresponding to the guide groove respectively, and the guide lug is matched with the guide groove.

[0011] As an improved technical scheme, the opening of the box is provided with a clamping hole on one side.

[0012] One side of the horizontal shielding part is provided with a protruding column integrally formed and corresponding to the clamping hole respectively, and the protruding column is clamped and matched with the clamping hole.

[0013] As an improved technical scheme, the top of the horizontal shielding part is fixedly provided with a handle.

[0014] As an improved technical scheme, the outer surface of the rectifying tower is provided with a feeding pipe, and the feeding pipe is communicated with the rectifying tower.

[0015] As an improved technical scheme, the bottom of the rectifying tower is provided with a lower discharge pipe, and the lower discharge pipe is communicated with the rectifying tower.

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

[0017] 1. The present application is characterized in that the vapor water generated by the rectifying tower enters the condensing pipe through the upper discharge pipe, and is cooled into liquid state by the condensing system, and then the liquid water falls into the reflux box, when the liquid level in the rectifying tower is too high, the reflux control valve can be adjusted to reduce the reflux rate and lower the liquid level, and vice versa, when the liquid level in the rectifying tower is too low, the reflux control valve can be adjusted to increase the reflux rate and raise the liquid level, so that the reflux rate of the rectifying tower is conveniently controlled, and the connection structure of the reflux box and the rectifying tower is simple.

[0018] 2. The present application is characterized in that the handle is pulled to move the box cover, at this time the box cover drives the guide lug to move along the inner cavity of the guide groove, and the protruding column moves away from the clamping hole, until the box cover is detached from the box, then the box is cleaned, and after cleaning, the box cover is reset, so that the reflux box is conveniently disassembled and cleaned, and the operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used 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 other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 It is a whole structure schematic view of the reflux control mechanism of the rectifying tower.

[0021] Figure 2 It is a whole structure schematic view of the reflux control mechanism of the rectifying tower.

[0022] Figure 3 It is a whole structure schematic view of the reflux control mechanism of the rectifying tower.

[0023] Explanation of the reference signs:

[0024] In the drawings: 1, rectifying tower; 2, upper discharge pipe; 3, condensing pipe; 4, box body; 401, guide groove; 402, clamping hole; 5, box cover; 501, guide lug; 502, protruding column; 503, handle; 6, reflux pipe; 7, reflux control valve; 8, feed pipe; 9, lower discharge pipe. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0027] Meanwhile, the meaning of "and / or" or "and / or" in the whole 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 at the same time.

[0028] 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 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.

[0029] Referring to Figure 1 -3, a rectifying column reflux control mechanism is provided, the rectifying column reflux control mechanism comprises a rectifying column 1, an upper discharge pipe 2 is arranged at the top of the rectifying column 1, and the upper discharge pipe 2 is communicated with a stripping section of the rectifying column 1, a condenser pipe 3 is arranged on the upper discharge pipe 2, and the condenser pipe 3 is communicated with the upper discharge pipe 2, the outer surface of the condenser pipe 3 is wound with a condensing system (not shown in the figure), and a detachable reflux tank is arranged at the end of the condenser pipe 3 away from the condenser pipe 3, a liquid level meter is arranged in the reflux tank, a reflux pipe 6 is arranged on the reflux tank, and the end of the reflux pipe 6 away from the reflux tank is arranged on the rectifying column 1, the reflux pipe 6 is communicated with the reflux tank and the rectifying column 1, and a reflux control valve 7 is arranged on the reflux pipe 6.

[0030] Referring to Figure 1 and Figure 2 The reflux tank is composed of a tank body 4 and a tank cover 5, the tank cover 5 is detachably arranged at the opening of the tank body 4, the condenser pipe 3 is arranged at the top of the tank body 4, and the condenser pipe 3 is communicated with the tank body 4, and the reflux pipe 6 is arranged on one side of the tank body 4 and communicated with the tank body 4, so as to facilitate the disassembly and assembly of the reflux tank.

[0031] Referring to Figure 2 and Figure 3 A guide groove 401 is arranged on the outer surface of the opening of the tank body 4;

[0032] The tank cover 5 has an inverted U-shaped structure with a vertical clamping part and a horizontal shielding part, the inner side of the vertical clamping part has a guide lug 501 integrally formed and corresponding to the guide groove 401 respectively, and the guide lug 501 is matched with the guide groove 401, so as to facilitate the assembly of the tank cover 5 to the tank body 4.

[0033] Referring to Figure 1 -3, a clamping hole 402 is arranged on one side of the opening of the tank body 4;

[0034] One side of the horizontal shielding part has a lug 502 integrally formed and corresponding to the clamping hole 402 respectively, and the lug 502 is clamped and matched with the clamping hole 402, so as to facilitate the assembly of the tank cover 5 to the tank body 4.

[0035] Referring toFigure 2 and Figure 3 The top of the horizontal shielding part is fixedly provided with a handle 503, so as to facilitate opening of the box cover 5 by the handle 503.

[0036] Referring to Figure 1 and Figure 2 The outer surface of the rectifying tower 1 is provided with a feeding pipe 8, and the feeding pipe 8 is communicated with the rectifying tower 1, so as to facilitate feeding of materials into the rectifying tower 1.

[0037] Referring to Figure 1 and Figure 2 The bottom of the rectifying tower 1 is provided with a lower discharging pipe 9, and the lower discharging pipe 9 is communicated with the rectifying tower 1, so as to facilitate discharging of materials from the rectifying tower 1.

[0038] In actual use, the gaseous water generated by the rectifying tower 1 enters the condensing pipe 3 through the upper discharging pipe 2, and is cooled into liquid state by the condensing system, and then the liquid water falls into the reflux box. When the liquid level in the rectifying tower 1 is too high, the reflux control valve 7 can be adjusted to be small at this time, so as to reduce the reflux rate and reduce the liquid level. Conversely, when the liquid level in the rectifying tower 1 is too low, the reflux control valve 7 can be adjusted to be large at this time, so as to increase the reflux rate and increase the liquid level, so as to facilitate control of the reflux rate of the rectifying tower 1, and the connection structure of the reflux box and the rectifying tower 1 is simple;

[0039] When the reflux box needs to be disassembled and cleaned, the box cover 5 is pulled by the handle 503 at this time, the box cover 5 drives the guide lug 501 to move along the inner cavity of the guide groove 401, and the lug 502 moves away from the direction of the clamping hole 402, until the box cover 5 is disassembled from the box body 4, then the box body 4 is cleaned, and after cleaning, the box cover 5 is reset, so as to facilitate disassembly and cleaning of the reflux box, and the operation is simple and fast. The device not only facilitates control of the reflux rate of the rectifying tower 1, and the connection structure of the reflux box and the rectifying tower 1 is simple, but also facilitates disassembly and cleaning of the reflux box.

[0040] 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 protection scope 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, and all these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. A rectifying column reflux control mechanism characterized by: The application relates to a rectifying tower (1) comprising an upper discharge pipe (2) installed at the top of the rectifying tower (1) and communicating with a stripping section of the rectifying tower (1), a condenser pipe (3) installed on the upper discharge pipe (2) and communicating with the upper discharge pipe (2), a detachable reflux tank installed at the end of the condenser pipe (3) away from the condenser pipe (3), a liquid level meter installed in the reflux tank, a reflux pipe (6) installed on the reflux tank and installed on the rectifying tower (1) at the end of the reflux pipe (6) away from the reflux tank, the reflux pipe (6) communicating with the reflux tank and the rectifying tower (1), and a reflux control valve (7) installed on the reflux pipe (6).

2. The rectifying column reflux control mechanism of claim 1, wherein: The reflux tank is composed of a tank body (4) and a tank cover (5), the tank cover (5) being detachably installed at the opening of the tank body (4), the condenser pipe (3) being installed at the top of the tank body (4) and communicating with the tank body (4), and the reflux pipe (6) being installed on one side of the tank body (4) and communicating with the tank body (4).

3. The rectifying column reflux control mechanism of claim 2, wherein: A guide groove (401) is formed on the outer surface of the opening of the tank body (4); The tank cover (5) has an inverted U-shaped structure with a vertical clamping part and a horizontal shielding part, the inner side of the vertical clamping part being provided with guide lugs (501) integrally formed and corresponding to the guide grooves (401) respectively, and the guide lugs (501) being matched with the guide grooves (401).

4. The rectifying column reflux control mechanism of claim 3, wherein: A clamping hole (402) is formed on one side of the opening of the tank body (4); One side of the horizontal shielding part is provided with lugs (502) integrally formed and corresponding to the clamping holes (402) respectively, and the lugs (502) are clamped and matched with the clamping holes (402).

5. The rectifying column reflux control mechanism of claim 3, wherein: A handle (503) is fixedly installed at the top of the horizontal shielding part.

6. The rectifying reflux control mechanism of claim 1, wherein: A feed pipe (8) is installed on the outer surface of the rectifying tower (1) and communicates with the rectifying tower (1).

7. The rectifying reflux control mechanism of claim 1, wherein: A lower discharge pipe (9) is installed at the bottom of the rectifying tower (1) and communicates with the rectifying tower (1).

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