CN215462114U

CN215462114U - Rectification reflux ratio control device for preventing feed liquid from overflowing

Info

Publication number: CN215462114U
Application number: CN202121558825.7U
Authority: CN
Inventors: 邢志华
Original assignee: NANTONG PURUI SCIENCE AND TECHNOLOGY INSTRUMENT CO LTD
Current assignee: NANTONG PURUI SCIENCE AND TECHNOLOGY INSTRUMENT CO LTD
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-11
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a rectification reflux ratio control device for preventing feed liquid from overflowing, which comprises a shell and a control mechanism, wherein the control mechanism is fixedly connected with the shell through a fixing flange. According to the utility model, the upper fastening flange and the lower fastening flange are disassembled by using the bolts, so that the large-capacity funnel is placed on the rotating shaft in the shell under the disassembling of the bolts, thereby enabling the feed liquid to be stored in the large-capacity funnel and not to overflow easily, meeting the storage requirement of the feed liquid, ensuring the accuracy, enabling the feed liquid to control the reflux ratio under the rotation of the funnel, effectively improving the uniformity of feed liquid separation and improving the rectification separation effect.

Description

Rectification reflux ratio control device for preventing feed liquid from overflowing

Technical Field

The utility model belongs to the technical field of rectification equipment, and particularly relates to a rectification reflux ratio control device for preventing feed liquid from overflowing.

Background

In the process of rectification separation, the reflux ratio is the core of rectification, the reflux ratio is an important parameter of rectification design and operation, and the size of the reflux ratio not only affects the required theoretical plate number, tower diameter and structural size of the plate, but also affects the consumption of heating steam and cooling water, so that finding the optimal reflux ratio is the most important part of rectification separation. At present, the control of the reflux ratio is generally controlled by a magnetic control controller, however, the magnetic control controller is easy to demagnetize and damage, and the precision of the reflux ratio cannot be ensured. At the present stage, the reflux ratio is controlled through the rotation angle of a turntable, although the accuracy can be controlled, the capacity of the turntable is limited, the flow of the feed liquid cannot be met, the overflow of the feed liquid is easily caused, the reflux ratio is influenced, and the rectification separation effect is influenced.

Through retrieval, chinese patent No. CN210631700U, publication No. 2020, 05 and 29, discloses a rectification apparatus, wherein "one end of a rectification column is connected to a spiral condenser located above a reaction kettle body, one end of the spiral condenser is far away from one side of the rectification column and is provided with a vacuum pumping port, the other end of the spiral condenser is connected to a reflux control box, a bottom end of the reflux control box is provided with a centrifugal turntable connected to a liquid outlet of the spiral condenser, the centrifugal turntable is rotatably connected to a speed regulator through an output shaft of a stepping motor and is electrically connected to the speed regulator. For this reason, a new design solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rectification reflux ratio control device for preventing a feed liquid from overflowing, and aims to solve the problems that the feed liquid is easy to overflow and the feed liquid is not uniformly separated by the existing-stage reflux ratio control device in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent rectification reflux ratio controlling means that feed liquid spills over, includes casing and control mechanism, control mechanism passes through mounting flange and casing fixed connection, a serial communication port, the casing includes epitheca and inferior valve, epitheca and inferior valve both sides are provided with last mounting flange and the lower mounting flange that is used for separation or sealed epitheca and inferior valve respectively, go up mounting flange and lower mounting flange and pass through bolt fixed connection, the funnel that is used for saving the water clock feed liquid has been placed through the bolt to the inside of epitheca and inferior valve, pocket liquid mechanism fixedly connected with is used for driving the rotatory pivot of funnel, pivot and control mechanism swivelling joint.

Wherein, the below of funnel is provided with the small opening that is used for the water clock feed liquid, the funnel is through pivot and step motor swivelling joint, the step motor electricity is connected with the controller that is used for controlling step-by-step electric action, step motor passes through the fixed top that sets up at the epitheca of mounting flange, step motor's one end and pivot swivelling joint, the pivot is passed through step motor and is hung the inside at the casing.

One side of the upper shell is fixedly connected with a material liquid inlet for material liquid to enter, the material liquid inlet is communicated with the funnel, so that the material liquid enters the funnel from the material liquid inlet and is stored in the funnel, one side of the lower shell is fixedly connected with a feed liquid reflux port for feed liquid reflux, the lower part of the lower shell is fixedly connected with a feed liquid outlet for feed liquid discharge, the feed liquid outlet is communicated with the feed liquid inlet through a funnel, so that the feed liquid is dripped into the feed liquid outlet through the funnel, the feed liquid inlet is communicated with the feed liquid return port through a funnel, so that the feed liquid is dripped into the feed liquid outlet through the funnel, the feed liquid export is through step motor and feed liquid backward flow mouth conversion setting, the small opening passes through step motor and sets up with feed liquid export and feed liquid backward flow mouth intercommunication respectively, makes the feed liquid drip respectively to feed liquid export and feed liquid backward flow mouth by the small opening under the rotation of funnel to control its reflux ratio.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the upper fastening flange and the lower fastening flange are disassembled by using the bolts, so that the upper shell and the lower shell are separated under the separation of the upper fastening flange and the lower fastening flange, and the large-capacity funnel is placed on the rotating shaft in the shell or directly taken out when the bolts are disassembled, so that the feed liquid can be stored in the large-capacity funnel and is not easy to overflow, the storage requirement of the feed liquid is met, meanwhile, the funnel can be replaced in time under the condition that the funnel is damaged, the separation accuracy of the feed liquid is ensured, and then the funnel can rotate under the rotation of the rotating shaft driven by the control mechanism through the rotating shaft and the control mechanism in a rotating way, so that the reflux ratio of the feed liquid can be controlled under the rotation of the funnel, the separation uniformity of the feed liquid is effectively improved, and the rectification separation effect is improved.

2. The upper shell and the lower shell are fixedly connected through the bolts, so that the shells can be sealed under the fixation of the fastening flange, and the shells are more accurate in material-liquid separation.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

fig. 3 is a schematic structural view of embodiment 3.

Wherein: 1. an upper shell; 2. a lower case; 3. a stepping motor; 4. a funnel; 5. fastening a flange; 6. a feed liquid inlet; 7. a lower fastening flange; 8. a feed liquid outlet; 9. a feed liquid reflux port; 10. a bolt; 11. a controller; 12. a rotating shaft; 13. and (4) a leak hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1: (taking feed liquid reflux as an example)

Referring to fig. 1, a rectification reflux ratio control device for preventing feed liquid from overflowing comprises an upper shell 1, a lower shell 2, a stepping motor 3 and a funnel 4, wherein two sides of the upper shell 1 are respectively provided with an upper fastening flange 5, one side of the upper shell 1 is provided with a feed liquid inlet 6, two sides of the lower shell 2 are respectively provided with a lower fastening flange 7, a feed liquid outlet 8 is arranged below the lower shell 2, one side of the lower shell 2 is provided with a feed liquid reflux port 9, the feed liquid reflux port 9 and the feed liquid inlet 6 are arranged on the same side, then the upper fastening flange 5 and the lower fastening flange 7 are disassembled or fixed through a bolt 10, so that the upper shell 1 and the lower shell 2 are separated or sealed under the disassembly or fixation of the bolt 10, the stepping motor 3 is fixedly arranged at the top end of the upper shell 1 through a fixing flange and is electrically connected with a controller 11, and the lower end of the stepping motor 3 is rotatably connected with a rotating shaft 12, at this moment, the rotating shaft 12 is driven by the stepping motor 3 to rotate and be suspended in the upper shell 1 and the lower shell 2, the funnel 4 is separated from the upper shell 1 and the lower shell 2 and is placed in the upper shell 1 and the lower shell 2 and is fixed on the rotating shaft 12, the funnel 4 can rotate along with the rotating shaft 12, a leakage hole 13 is formed below the funnel 4, the leakage hole 13 can change the dripping direction under the rotation of the funnel 4 at this moment, and the feed liquid can change the dripping direction at the leakage hole 13 to control the reflux ratio under the dripping direction. When the feed liquid need flow back, operating personnel lets in the feed liquid at feed liquid import 6 earlier, the feed liquid can enter into funnel 4 via feed liquid import 6 this moment, then operation controller 11 opens step motor 3, step motor 3 drives pivot 12 under controller 11's control and rotates this moment, thereby it is rotatory to drive funnel 4, leak hole 13 can change the top of feed liquid backward flow mouth 9 with the drippage direction under funnel 4's rotation this moment, operation controller 11 closes step motor 3 simultaneously, the feed liquid can be carried out rectification reflux processing until reaching the reflux parameter in feed liquid backward flow mouth 9 via leak hole 13 drippage this moment, effectively promote the degree of consistency of feed liquid separation, the effect of rectification separation has been improved.

Example 2: (taking the discharge of the feed liquid as an example)

Please refer to fig. 2, a rectification reflux ratio control device for preventing the overflow of the feed liquid, comprising an upper shell 1, a lower shell 2, a stepping motor 3 and a funnel 4, when the feed liquid reaches the reflux parameter, an operator operates a controller 11 to open the stepping motor 3, at this time, the stepping motor 3 drives a rotating shaft 12 to rotate under the control of the controller 11, thereby driving the funnel 4 to rotate, at this time, a leakage hole 13 can keep away the dripping direction from a feed liquid reflux port 9 under the rotation of the funnel 4, and simultaneously, the operation controller 11 closes the stepping motor 3, at this time, the feed liquid can drip through the leakage hole 13 to a feed liquid outlet 8 to flow out and enter the next flow.

Example 3: (taking the hopper 4 as an example of putting in or taking out)

Referring to fig. 3, a rectification reflux ratio control device for preventing feed liquid from overflowing comprises an upper shell 1, a lower shell 2 and a funnel 4, when the funnel 4 needs to be placed, an operator unscrews a bolt 10 to separate an upper fastening flange 5 from a lower fastening flange 7, so that the upper shell 1 and the lower shell 2 are separated and separated under the separation of the upper fastening flange 5 and the lower fastening flange 7, simultaneously the funnel 4 is placed, the funnel 4 is fixed on a rotating shaft 12, and then the bolt 10 is screwed, so that the upper shell 1 and the lower shell 2 are sealed under the screwing of the bolt 10; when the funnel 4 is damaged and needs to be replaced, the operator also loosens the bolt 10 to separate the upper shell 1 and the lower shell 2 under the loosening of the bolt 10, takes out the funnel 4, puts in a new funnel 4 at the same time, and tightens the bolt 10 again to enable the upper shell 1 and the lower shell 2 to be sealed again under the tightening of the bolt 10.

Claims

1. The utility model provides a prevent rectification reflux ratio controlling means that feed liquid spills over, includes casing and control mechanism, control mechanism passes through mounting flange and casing fixed connection, a serial communication port, the casing includes epitheca and inferior valve, epitheca and inferior valve both sides are provided with respectively fastening flange and lower fastening flange, fastening flange passes through bolt fixed connection with lower fastening flange, the funnel has been placed through the bolt to the inside of epitheca and inferior valve, funnel fixedly connected with pivot, pivot and control mechanism swivelling joint.

2. The rectification reflux ratio control device for preventing the overflow of the feed liquid as claimed in claim 1, wherein a leakage hole is arranged below the funnel, and the funnel is rotatably connected with the control mechanism through a rotating shaft.

3. The rectification reflux ratio control device for preventing feed liquid from overflowing of claim 1, wherein the control mechanism comprises a stepping motor and a controller, the controller is electrically connected with the stepping motor, the stepping motor is fixedly arranged at the top end of the upper shell through a fixing flange, one end of the stepping motor is rotatably connected with a rotating shaft, and the rotating shaft is suspended inside the shell through the stepping motor.

4. The rectification reflux ratio control device for preventing feed liquid from overflowing of claim 1, wherein a feed liquid inlet is fixedly connected to one side of the upper shell, and the feed liquid inlet is communicated with the funnel.

5. The rectification reflux ratio control device for preventing feed liquid from overflowing of claim 1, wherein a feed liquid reflux port is fixedly connected to one side of the lower shell, a feed liquid outlet is fixedly connected to the lower side of the lower shell, the feed liquid outlet is communicated with a feed liquid inlet through a funnel, and the feed liquid inlet is communicated with the feed liquid reflux port through a funnel.

6. A rectification reflux ratio control device for preventing feed liquid from overflowing according to claim 5, wherein the feed liquid outlet is switched with the feed liquid reflux port by a stepping motor.

7. The apparatus of claim 2, wherein the leakage hole is connected to the feed liquid outlet and the feed liquid reflux inlet by a stepping motor.