CN216877912U - Rectifying column reflux ratio control device - Google Patents
Rectifying column reflux ratio control device Download PDFInfo
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- CN216877912U CN216877912U CN202122601260.2U CN202122601260U CN216877912U CN 216877912 U CN216877912 U CN 216877912U CN 202122601260 U CN202122601260 U CN 202122601260U CN 216877912 U CN216877912 U CN 216877912U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to the technical field of chemical devices, and discloses a rectifying tower reflux ratio control device which comprises a gas path sleeve, a liquid collection sleeve, a first fixing part and a swinging assembly, wherein the gas path sleeve is provided with a gas inlet and a gas outlet; the upper part of the liquid collecting sleeve is provided with an air inlet, a first connecting pipe, a first liquid outlet and a second liquid outlet; the first fixing part is arranged at the overflowing hole of the first connecting pipe; the swinging assembly comprises a swinging device, a first electromagnet, a second electromagnet and a time distributor, the swinging device is connected to the first fixing part in a swinging mode, the swinging device comprises an attraction part, and the attraction part is mutually attracted with the first electromagnet and the second electromagnet; the first electromagnet is arranged close to the first liquid outlet, the second electromagnet is arranged close to the second liquid outlet, and the first electromagnet and the second electromagnet are both electrically connected with the time distributor. The utility model provides a reflux ratio control device of a rectifying tower, which aims to achieve the aims of simple structure and small occupied space.
Description
Technical Field
The utility model relates to the technical field of chemical devices, in particular to a rectification tower reflux ratio control device.
Background
At present, the rectifying device is generally divided into a rectifying device used in chemical production and an intermittent rectifying device used in a laboratory. For the distillation plant used in chemical production, the distillation plant used in chemical production generally needs to have larger production capacity, and has higher height and more occupied space. For the batch distillation device used in the laboratory, the experiment generally does not need larger production capacity, the batch distillation device used in the laboratory is not high in height, and the occupied space is small.
In the whole process of rectification separation, the reflux ratio is an important parameter of rectification design and operation, and the reflux ratio has important influence on both product purity and product yield in the rectification operation. It is known that the existing rectification separation process generally performs control of reflux ratio through a reflux pump, but the reflux pump is not suitable for being matched with a batch rectification device used in a laboratory due to the complex structure and large occupied space.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the utility model provides a reflux ratio control device of a rectifying tower, which aims to achieve the purposes of simple structure and small occupied space.
In order to achieve the above object, the present invention provides a rectification column reflux ratio control apparatus, comprising:
the gas circuit sleeve is provided with a gas inlet and a gas outlet, and the gas inlet of the gas circuit sleeve is communicated with the gas outlet of the rectifying tower;
the upper part of the liquid collecting sleeve is provided with an air inlet, a first connecting pipe, a first liquid outlet and a second liquid outlet, the air inlet of the liquid collecting sleeve is communicated with the air outlet of the air path sleeve through a vent pipe, the first connecting pipe is arranged above the air inlet of the liquid collecting sleeve, the first connecting pipe is provided with an overflowing hole, and the first connecting pipe is used for being communicated with a condenser;
the first liquid outlet and the second liquid outlet are both arranged at the bottom end of the liquid collecting sleeve, and the first liquid outlet and the second liquid outlet are arranged at intervals; the first liquid outlet is communicated with the gas path sleeve through a return pipe, and the second liquid outlet is communicated with a discharge bottle through a discharge pipe;
the first fixing part is arranged at the overflowing hole of the first connecting pipe;
the swinging assembly comprises a swinging device, a first electromagnet, a second electromagnet and a time distributor, the swinging device is connected to the first fixing part in a swinging mode, the swinging device comprises an attraction part, and the attraction part is mutually attracted with the first electromagnet and the second electromagnet;
the first electromagnet is close to the first liquid outlet, the second electromagnet is close to the second liquid outlet, and the first electromagnet and the second electromagnet are electrically connected with the time distributor.
In some embodiments of the present application, the first connection pipe includes a bottom wall, the bottom wall is disposed obliquely, and the overflowing hole is disposed at a lower portion of the bottom wall.
In some embodiments of the present application, the oscillating device comprises:
the second fixing part is sleeved on the first fixing part;
the second connecting pipe is arranged at the bottom end of the second fixing part and provided with a first accommodating cavity for accommodating the suction part.
In some embodiments of the present application, the bottom end of the gas circuit casing is connected with a third connecting pipe, the bottom end of the third connecting pipe is connected with a first interface, and the first interface is used for communicating with the gas outlet of the rectifying tower.
In some embodiments of the present application, the gas path sleeve, the liquid collection sleeve, the first connection pipe, the second connection pipe, and the third connection pipe are glass pipes.
In some embodiments of the present application, the first fixing portion is a hook, and the second fixing portion is a connection ring.
In some embodiments of the present application, the rectifying tower reflux ratio control device further includes a thermometer sleeve, and the thermometer sleeve is disposed in the gas path sleeve through a top end of the gas path sleeve; the temperature sleeve pipe is provided with a second containing cavity used for containing the thermometer, the top end of the temperature sleeve pipe is an open end, and the bottom end of the temperature sleeve pipe is a closed end.
In some embodiments of the present application, a second port is connected to a top end of the first connection pipe, and the second port is used for communicating with a condenser.
In some embodiments of the present application, the discharge tube is a serpentine tube.
In some embodiments of the present application, the attraction is a wire.
The embodiment of the utility model provides a reflux ratio control device of a rectifying tower, which has the following beneficial effects compared with the prior art:
according to the reflux ratio control device of the rectifying tower, when a rectifying test is carried out, material steam enters the gas path sleeve from the gas outlet of the rectifying tower, then enters the liquid collecting sleeve through the vent pipe, and then enters the condensing pipe through the first connecting pipe, the material steam is condensed into condensate in the condensing pipe, the condensate drips downwards along the pipe wall of the condensing pipe, the pipe wall of the first connecting pipe, the first fixing part and the swinging device, when the first electromagnet is electrified, the first electromagnet and the suction part are mutually attracted, the swinging device swings towards the direction close to the first electromagnet, the condensate drips downwards to the first liquid outlet through the swinging device, and the condensate flows back into the rectifying tower through the return pipe; when the second electromagnet is electrified, the second electromagnet and the attraction part attract each other, the swinging device swings towards the direction close to the second electromagnet, the condensate drips to the second liquid outlet through the swinging device, and the condensate flows back to the discharging bottle through the discharging pipe; the time distributor is arranged to control the switching time of the first electromagnetic valve and the switching time of the second electromagnetic valve so as to control the ratio of the switching time of the first electromagnetic valve to the switching time of the second electromagnetic valve, and therefore the corresponding reflux ratio is obtained;
therefore, compared with the control of the reflux ratio by a reflux pump, the rectification tower reflux ratio control device provided by the embodiment of the utility model has the advantages of simple structure, small occupied space, accurate reflux ratio control and simple reflux ratio control mode.
Drawings
FIG. 1 is a schematic structural view of a reflux ratio control apparatus of a rectifying column according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a swing device of a rectification column reflux ratio control device according to an embodiment of the present invention.
In the figure, 1, a gas path sleeve; 2. a liquid collecting sleeve; 21. a first liquid outlet; 22. a second liquid outlet; 3. a first connecting pipe; 4. a breather pipe; 5. a return pipe; 6. a discharge pipe; 7. a first fixed part; 8. a swing assembly; 81. a swing device; 811. a suction part; 812. a second fixed part; 813. a second connecting pipe; 82. a first electromagnet; 83. a second electromagnet; 84. a time allocator; 9. a third connecting pipe; 10. a first interface; 11. a second interface; 12. a thermo-well tube.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a rectification tower reflux ratio control device, which includes a gas path sleeve 1, a liquid collection sleeve 2, a first fixing portion 7 and a swing assembly 8, wherein the gas path sleeve 1 is provided with a gas inlet and a gas outlet, and the gas inlet of the gas path sleeve 1 is used for communicating with the gas outlet of the rectification tower; the upper part of the liquid collecting sleeve 2 is provided with an air inlet, a first connecting pipe 3, a first liquid outlet 21 and a second liquid outlet 22, the air inlet of the liquid collecting sleeve 2 is communicated with the air outlet of the air path sleeve 1 through an air pipe 4, the first connecting pipe 3 is arranged above the air inlet of the liquid collecting sleeve 2, the first connecting pipe 3 is provided with an overflowing hole, and the first connecting pipe 3 is used for being communicated with a condenser;
the first liquid outlet 21 and the second liquid outlet 22 are both arranged at the bottom end of the liquid collecting sleeve 2, and the first liquid outlet 21 and the second liquid outlet 22 are arranged at intervals; the first liquid outlet 21 is communicated with the gas path sleeve 1 through a return pipe 5, and the second liquid outlet 22 is communicated with a discharge bottle through a discharge pipe 6; the first fixing part 7 is arranged at the overflowing hole of the first connecting pipe 3; the swinging assembly 8 comprises a swinging device 81, a first electromagnet 82, a second electromagnet 83 and a time distributor 84, wherein the swinging device 81 is connected to the first fixing part 7 in a swinging mode, the swinging device 81 comprises an attraction part 811, and the attraction part 811 is mutually attracted with the first electromagnet 82 and the second electromagnet 83; the first electromagnet 82 is disposed near the first liquid outlet 21, the second electromagnet 83 is disposed near the second liquid outlet 22, and both the first electromagnet 82 and the second electromagnet 83 are electrically connected to the time distributor 84.
Based on the above arrangement, in the rectification tower reflux ratio control device of the embodiment of the utility model, when a rectification test is performed, material vapor enters the gas path sleeve 1 from the gas outlet of the rectification tower, then enters the liquid collection sleeve 2 through the vent pipe 4, and then enters the condensation pipe through the first connection pipe 3, the material vapor is condensed into condensate in the condensation pipe, the condensate drips downwards along the pipe wall of the condensation pipe, the pipe wall of the first connection pipe 3, the first fixing part 7 and the swinging device 81, when the first electromagnet 82 is energized, the first electromagnet 82 and the suction part 811 attract each other, the swinging device 81 swings towards the direction close to the first electromagnet 82, the condensate drips downwards to the first liquid outlet 21 through the swinging device 81, and the condensate flows back into the rectification tower through the return pipe 5; when the second electromagnet 83 is electrified, the second electromagnet 83 and the attraction part 811 attract each other, the swinging device 81 swings in a direction close to the second electromagnet 83, condensate drips downwards to the second liquid outlet 22 through the swinging device 81, and the condensate flows back to the discharging bottle through the discharging pipe 6; by arranging the time distributor 84, the time distributor 84 controls the switching time of the first electromagnetic valve and the switching time of the second electromagnetic valve to control the ratio between the switching time of the first electromagnetic valve and the switching time of the second electromagnetic valve, so as to obtain the corresponding reflux ratio;
therefore, compared with the control of the reflux ratio by a reflux pump, the rectification tower reflux ratio control device provided by the embodiment of the utility model has the advantages of simple structure, small occupied space, accurate reflux ratio control and simple reflux ratio control mode.
In some embodiments, optionally, as shown in fig. 1, the first connecting pipe 3 includes a bottom wall, the bottom wall is disposed obliquely, and the overflowing hole is disposed at a lower portion of the bottom wall. The obliquely arranged bottom wall thus acts as a guide for the condensate, which flows along the bottom wall to the overflow opening.
In some embodiments, optionally, as shown in fig. 1 and 2, the swinging device 81 includes a second fixing portion 812 and a second connecting pipe 813, and the second fixing portion 812 is sleeved on the first fixing portion 7; the second connecting pipe 813 is disposed at a bottom end of the second fixing portion 812, and the second connecting pipe 813 is provided with a first receiving cavity for receiving the suction portion 811. Thus, by providing the second fixing part 812, the second fixing part 812 facilitates stable arrangement of the second connection pipe 813; by providing the second connection pipe 813, the second connection pipe 813 not only facilitates stable installation of the suction portion 811 but also facilitates the flow of the condensate along the outer wall thereof, thereby guiding the flow of the condensate.
In some embodiments, optionally, as shown in fig. 1, a third connecting pipe 9 is connected to the bottom end of the gas path casing 1, a first connector 10 is connected to the bottom end of the third connecting pipe 9, and the first connector 10 is used for communicating with the gas outlet of the rectifying tower. Therefore, the first interface 10 is arranged, so that the gas path sleeve 1 is conveniently communicated with the rectifying tower through the first interface 10;
illustratively, the first interface 10 is an internal interface.
In some embodiments, optionally, as shown in fig. 1 and 2, the gas path sleeve 1, the liquid collection sleeve 2, the first connection pipe 3, the second connection pipe 813, the third connection pipe 9, the return pipe 5 and the liquid outlet pipe are all glass pipes. This facilitates the operator to observe the flow of gas in the gas passage sleeve 1, the flow of liquid in the liquid collection sleeve 2, the flow of liquid in the first connection pipe 3, the flow of gas and liquid in the suction portion 811 in the second connection pipe 813, the third connection pipe 9, the flow of liquid in the return pipe 5, and the flow of liquid in the liquid outlet pipe.
In some embodiments, optionally, as shown in FIGS. 1 and 2, the first fastening portion 7 is a hook and the second fastening portion 812 is a connecting ring. Thus, through the cooperative connection between the hook and the connection ring, not only is the stable connection between the hook and the connection ring facilitated, but also the connection ring is facilitated to swing on the hook, so that the second connection pipe 813 swings between the first liquid outlet 21 and the second liquid outlet 22.
In some embodiments, optionally, as shown in fig. 1, the rectification tower reflux ratio control device further includes a thermo-well tube 12, and the thermo-well tube 12 is disposed in the gas path sleeve tube 1 through the top end of the gas path sleeve tube 1; the temperature sleeve pipe is provided with a second containing cavity used for containing the thermometer, the top end of the temperature sleeve pipe is an open end, and the bottom end of the temperature sleeve pipe is a closed end. Thus, the thermometer tube 12 is provided to facilitate placement of the thermometer, which detects the temperature of the gas flowing in the gas path tube 1.
In some embodiments, optionally, as shown in fig. 1, a second port 11 is connected to the top end of the first connection pipe 3, and the second port 11 is used for condenser communication. Thus, by providing the second port 11, the second port 11 facilitates the communication of the first connecting pipe 3 with the condensation duct;
the second interface 11 is illustratively an external interface.
In some embodiments, optionally, as shown in fig. 1, the discharge pipe 6 is a serpentine pipe. Thus, by forming the discharge pipe 6 as a coil pipe, a liquid seal is easily generated in the discharge pipe 6, and gas is prevented from escaping from the discharge pipe 6.
In some embodiments, optionally, as shown in fig. 1 and 2, the attracting portion 811 is made of iron wire, and the first electromagnet 82 and the second electromagnet 83 have good attraction to the iron wire, so as to facilitate the second connecting pipe 813 to swing between the first liquid outlet 21 and the second liquid outlet 22;
alternatively, the attracting portion 811 may be other metal such as nickel wire, cobalt wire, or the like.
In some embodiments, optionally, as shown in fig. 1 and 2, in order to simplify the structure of the rectification column reflux ratio control device, the diameter of the gas path casing 1 is 25-35 mm, and the height is 200-250 mm; the diameter of the liquid collecting sleeve 2 is 25-30 mm, and the height is 150-200 mm; the diameter of the vent pipe 4 is 10-15 mm; the diameter of the first connecting pipe 3 is 15 mm; the diameter of the second connection pipe 813 is 15 mm; the diameter of the third connecting pipe 9 is 20-30 mm, and the height is 15-25 mm; the diameter of the first interface 10 is 19-34 mm; the diameter of the second port 11 is 24 mm; the diameter of the thermo-well tube 12 is 8 mm; the return tube 5 has a diameter of 8 mm.
To sum up, in the rectification tower reflux ratio control device of the embodiment of the present invention, during the rectification test, the material vapor enters the gas path sleeve 1 from the gas outlet of the rectification tower, then enters the liquid collection sleeve 2 through the vent pipe 4, and then enters the condensation pipe through the first connection pipe 3, the material vapor is condensed into the condensate in the condensation pipe, the condensate drips down along the pipe wall of the condensation pipe, the pipe wall of the first connection pipe 3, the first fixing portion 7, and the swinging device 81, when the first electromagnet 82 is energized, the first electromagnet 82 and the suction portion 811 attract each other, the swinging device 81 swings in the direction close to the first electromagnet 82, the condensate drips down to the first liquid outlet 21 through the swinging device 81, and the condensate reflows into the rectification tower through the backflow pipe 5; when the second electromagnet 83 is electrified, the second electromagnet 83 and the attraction part 811 attract each other, the swinging device 81 swings in a direction close to the second electromagnet 83, condensate drips downwards to the second liquid outlet 22 through the swinging device 81, and the condensate flows back to the discharging bottle through the discharging pipe 6; by arranging the time distributor 84, the time distributor 84 controls the switching time of the first electromagnetic valve and the switching time of the second electromagnetic valve to control the ratio between the switching time of the first electromagnetic valve and the switching time of the second electromagnetic valve, so as to obtain the corresponding reflux ratio;
therefore, compared with the control of the reflux ratio by a reflux pump, the rectification tower reflux ratio control device provided by the embodiment of the utility model has the advantages of simple structure, small occupied space, accurate reflux ratio control and simple reflux ratio control mode.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rectifying column reflux ratio control device is characterized by comprising:
the gas circuit sleeve is provided with a gas inlet and a gas outlet, and the gas inlet of the gas circuit sleeve is communicated with the gas outlet of the rectifying tower;
the upper part of the liquid collecting sleeve is provided with an air inlet, a first connecting pipe, a first liquid outlet and a second liquid outlet, the air inlet of the liquid collecting sleeve is communicated with the air outlet of the air path sleeve through a vent pipe, the first connecting pipe is arranged above the air inlet of the liquid collecting sleeve, the first connecting pipe is provided with an overflowing hole, and the first connecting pipe is used for being communicated with a condenser;
the first liquid outlet and the second liquid outlet are both arranged at the bottom end of the liquid collecting sleeve, and the first liquid outlet and the second liquid outlet are arranged at intervals; the first liquid outlet is communicated with the gas path sleeve through a return pipe, and the second liquid outlet is communicated with a discharge bottle through a discharge pipe;
the first fixing part is arranged at the overflowing hole of the first connecting pipe;
the swinging assembly comprises a swinging device, a first electromagnet, a second electromagnet and a time distributor, the swinging device is connected to the first fixing part in a swinging mode, the swinging device comprises an attraction part, and the attraction part is mutually attracted with the first electromagnet and the second electromagnet;
the first electromagnet is close to the first liquid outlet, the second electromagnet is close to the second liquid outlet, and the first electromagnet and the second electromagnet are electrically connected with the time distributor.
2. The apparatus of claim 1, wherein the first connection pipe includes a bottom wall, the bottom wall is disposed at an angle, and the overflowing hole is disposed at a lower portion of the bottom wall.
3. The rectification column reflux ratio control device according to claim 2, wherein the oscillating device includes:
the second fixing part is sleeved on the first fixing part;
the second connecting pipe is arranged at the bottom end of the second fixing part and provided with a first accommodating cavity for accommodating the suction part.
4. The rectification tower reflux ratio control device as claimed in claim 3, wherein a third connecting pipe is connected to the bottom end of the gas circuit casing pipe, and a first interface is connected to the bottom end of the third connecting pipe and is used for communicating with the gas outlet of the rectification tower.
5. The rectification tower reflux ratio control device of claim 4, wherein the gas path sleeve, the liquid collection sleeve, the first connecting pipe, the second connecting pipe and the third connecting pipe are glass pipes.
6. The reflux ratio control device of claim 3, wherein the first fixing portion is a hook, and the second fixing portion is a connection ring.
7. The reflux ratio control device of a rectifying tower according to claim 1, further comprising a thermo-well tube, wherein the thermo-well tube is arranged in the gas path sleeve through the top end of the gas path sleeve; the thermometer sleeve is provided with a second containing cavity for containing the thermometer, the top end of the thermometer sleeve is an open end, and the bottom end of the thermometer sleeve is a closed end.
8. The rectification column reflux ratio control device of claim 1, wherein a second interface is connected to a top end of the first connecting pipe, and the second interface is used for communicating with a condenser.
9. The rectification column reflux ratio control device according to claim 1, wherein the discharge pipe is a serpentine pipe.
10. The rectification column reflux ratio control device according to claim 1, wherein the suction portion is an iron wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601260.2U CN216877912U (en) | 2021-10-27 | 2021-10-27 | Rectifying column reflux ratio control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601260.2U CN216877912U (en) | 2021-10-27 | 2021-10-27 | Rectifying column reflux ratio control device |
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| Publication Number | Publication Date |
|---|---|
| CN216877912U true CN216877912U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601260.2U Active CN216877912U (en) | 2021-10-27 | 2021-10-27 | Rectifying column reflux ratio control device |
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| CN (1) | CN216877912U (en) |
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2021
- 2021-10-27 CN CN202122601260.2U patent/CN216877912U/en active Active
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