CN216798745U - Rectifying device with double reboilers for heating - Google Patents
Rectifying device with double reboilers for heating Download PDFInfo
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- CN216798745U CN216798745U CN202123119139.2U CN202123119139U CN216798745U CN 216798745 U CN216798745 U CN 216798745U CN 202123119139 U CN202123119139 U CN 202123119139U CN 216798745 U CN216798745 U CN 216798745U
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- reboiler
- heating pipeline
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Abstract
The utility model relates to a rectifying device with a double reboiler for heating, which comprises a rectifying tower; the bottom of the rectifying tower is divided into a material low-temperature area and a material high-temperature area by the partition plate; the system comprises a primary heating pipeline, wherein a pump body I and a reboiler I are arranged on the primary heating pipeline; the secondary heating pipeline is provided with a pump body II and a reboiler II; a material discharge pipe; divide the bottom of rectifying column into material low temperature region and material high temperature region with the baffle, the baffle adopts the thermal insulation material that the heat-proof quality is good, reduce high microthermal heat transfer, be provided with reboiler I and reboiler II that heat the material in material low temperature region and the material high temperature region outside the rectifying column, the energy of different energy levels can be used, improve the process of rectification, energy-conserving effect is obvious, still be provided with communicating pipe between primary heating pipeline and secondary heating pipeline, when a reboiler stops using, can use another reboiler, use this as the spare equipment of interconversion, ensure the continuity of device production.
Description
Technical Field
The utility model relates to the technical field of rectifying equipment, in particular to a rectifying device with double reboilers for heating.
Background
The rectifying tower is a tower type gas-liquid contact device for rectification. By utilizing the property that each component in the mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component (high-boiling-point substance) in the gas phase is transferred into the liquid phase, thereby realizing the purpose of separation. The rectifying tower is also a mass and heat transfer device which is widely applied in petrochemical production;
at present, a rectifying device in the chemical industry cannot continuously operate for a long time, and energy with various grades or energy levels cannot be uniformly used, so that unstable production and waste of partial energy are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a rectifying device with a double heating reboiler, which is safe, reliable, reasonable in structural design and high in mass transfer efficiency.
The technical problem to be solved by the utility model is realized by the following technical proposal that a rectifying device with a double reboiler for heating comprises,
a rectifying tower;
the baffle is arranged in the bottom of the rectifying tower, and the bottom of the rectifying tower is divided into a material low-temperature area and a material high-temperature area by the baffle;
the inlet end of the primary heating pipeline is communicated with the interior of the bottom of the material low-temperature region, the outlet end of the primary heating pipeline is communicated with the interior of the top of the material high-temperature region, and a pump body I and a reboiler I are sequentially arranged on the primary heating pipeline according to the material flow direction;
the inlet end of the secondary heating pipeline is communicated with the inside of the bottom of the material high-temperature area, the outlet end of the secondary heating pipeline is communicated with the inside of the top of the material high-temperature area, and a pump body II and a reboiler II are sequentially arranged on the secondary heating pipeline according to the material flow direction;
and the inlet end of the material discharge pipe is communicated between the inlet end and the outlet end of the secondary heating pipeline.
The technical problem to be solved by the utility model can also be achieved by the following technical scheme that the rectifying device with the double reboilers for heating is characterized in that the partition plate is positioned between the bottom of the rectifying tower and a downcomer arranged on the rectifying tower, and the downcomer with the lowest installation height in the rectifying tower is arranged right above the material low-temperature region.
The technical problem to be solved by the utility model can be solved by adopting the following technical scheme that the rectifying device with the double reboilers for heating is provided with the exhaust valves on the primary heating pipeline and the secondary heating pipeline, and the exhaust valves are arranged on the discharge sides of the pump body I and the pump body II.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the rectifying device with the double reboilers for heating is provided with a plurality of stop valves on a primary heating pipeline and a secondary heating pipeline, wherein the stop valves are arranged between a material low-temperature region and a pump body I, between the pump body I and the reboiler I, between the reboiler I and a material high-temperature region, between the material high-temperature region and a pump body II, between the pump body II and the reboiler II and between the reboiler II and the material high-temperature region on the primary heating pipeline and the secondary heating pipeline.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the rectifying device with the double reboilers for heating is characterized in that a communicating pipe is arranged between the primary heating pipeline and the secondary heating pipeline, the inlet end of the communicating pipe is communicated with the primary heating pipeline between the pump body I and the material low-temperature area, the outlet end of the communicating pipe is communicated with the secondary heating pipeline between the pump body II and the material high-temperature area, and a valve body for controlling the on-off of the communicating pipe is arranged on the communicating pipe.
The technical problem to be solved by the utility model can be solved by the following technical scheme that the rectifying device with the double reboilers for heating is characterized in that the partition plate is a heat insulation plate with a heat insulation effect.
Compared with the prior art, the utility model has the beneficial technical effects that: divide the bottom of rectifying column into material low temperature region and material high temperature region with the baffle, the baffle adopts the thermal insulation material that heat-proof quality is good, reduce high microthermal heat transfer, be provided with reboiler I and reboiler II that heat the material in material low temperature region and the material high temperature region outside the rectifying column, the energy of different energy levels can be used, improve the process of rectification, energy-conserving effect is obvious, still be provided with communicating pipe between primary heating pipeline and secondary heating pipeline, when a reboiler stops using, can use another reboiler, use this as the spare equipment of interconversion, ensure the continuity of device production, and high operability.
Drawings
Fig. 1 is a schematic front view.
In the figure, 1, a rectifying tower; 2. a partition plate; 3. a material low-temperature zone; 4. a material high temperature zone; 5. a pump body I; 6. a reboiler I; 7. a pump body II; 8. a reboiler II; 9. a material discharge pipe; 10. a downcomer; 11. a communication pipe is provided.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Example 1, referring to fig. 1, a rectification apparatus having a double reboiler for heating, comprising,
the rectifying tower 1 is a rectifying tower 1, the specification and model of which can be selected according to the use requirement in the prior art, and specifically, a packing type rectifying tower or a plate type rectifying tower can be adopted;
the shape of the partition board 2 is customized according to the shape formed by the inner wall of the rectifying tower 1, the design purpose is only to divide the bottom of the rectifying tower 1 into a material low-temperature area 3 and a material high-temperature area 4 which are described later, the partition board 2 is arranged in the bottom of the rectifying tower 1, the bottom of the rectifying tower 1 is divided into the material low-temperature area 3 and the material high-temperature area 4 by the partition board 2, specifically, the bottom of the material low-temperature area 3 can be provided with a liquid collector, and the type specification of the liquid collector can be selected by the prior art according to the use requirement;
the inlet end of the primary heating pipeline is communicated with the inside of the bottom of the material low-temperature region 3, the outlet end of the primary heating pipeline is communicated with the inside of the top of the material high-temperature region 4, and a pump body I5 and a reboiler I6 are sequentially arranged on the primary heating pipeline according to the material flow direction;
the inlet end of the secondary heating pipeline is communicated with the inside of the bottom of the material high-temperature area 4, the outlet end of the secondary heating pipeline is communicated with the inside of the top of the material high-temperature area 4, a pump body II 7 and a reboiler II 8 are sequentially arranged on the secondary heating pipeline according to the material flow direction, the reboiler I6 and the reboiler II 8 are reboilers in the prior art, and the model specifications of the reboilers can be selected according to the use requirements;
and the inlet end of the material discharge pipe 9 is communicated between the inlet end and the outlet end of the secondary heating pipeline.
Embodiment 3, the rectification apparatus with a double reboiler for heating described in embodiment 1, wherein exhaust valves are provided on both the primary heating pipeline and the secondary heating pipeline, and the exhaust valves are provided on the discharge sides of the pump bodies i 5 and ii 7.
In embodiment 5, the connection pipe 11 is provided to prevent one of the reboilers from being damaged, and the valve body on the connection pipe 11 can be opened to allow the other reboiler to operate normally, which is highly operable.
Example 6, the rectification apparatus having a double reboiler for heating described in example 1, wherein the partition 2 is a heat insulating plate having a heat insulating effect.
When the rectifying device with the double reboilers for heating is used, stop valves on a primary heating pipeline and a secondary heating pipeline are opened, a pump body I5 is opened, materials in a rectifying tower 1 and located in a material low-temperature region 3 enter the primary heating pipeline, the materials are conveyed into a material high-temperature region 4 after heat exchange through the reboiler I6, a pump body II 7 is opened, the materials located in the material high-temperature region 4 enter the secondary heating pipeline, the materials are conveyed into the high-temperature region again after heat exchange through the reboiler II 8, the mass transfer efficiency of the materials after heat exchange through the reboiler I6 and the reboiler II 8 is higher than that of traditional rectifying equipment, and the materials after heat exchange are discharged through a material discharge pipe 9;
when one of the reboilers is damaged, the stop valve on the front side of the reboiler can be closed, and the stop valve on the communicating pipe 11 is opened, so that the other reboiler is subjected to heat exchange operation, and the operability is high.
Claims (6)
1. A rectifying apparatus having a double reboiler for heating, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a rectifying tower;
the baffle is arranged in the bottom of the rectifying tower, and the bottom of the rectifying tower is divided into a material low-temperature area and a material high-temperature area by the baffle;
the inlet end of the primary heating pipeline is communicated with the interior of the bottom of the material low-temperature region, the outlet end of the primary heating pipeline is communicated with the interior of the top of the material high-temperature region, and a pump body I and a reboiler I are sequentially arranged on the primary heating pipeline according to the material flow direction;
the inlet end of the secondary heating pipeline is communicated with the inside of the bottom of the material high-temperature area, the outlet end of the secondary heating pipeline is communicated with the inside of the top of the material high-temperature area, and a pump body II and a reboiler II are sequentially arranged on the secondary heating pipeline according to the material flow direction;
and the inlet end of the material discharge pipe is communicated between the inlet end and the outlet end of the secondary heating pipeline.
2. A rectification apparatus having a double reboiler for heating according to claim 1, wherein: the baffle is positioned between the bottom of the rectifying tower and a downcomer arranged on the rectifying tower, and the downcomer with the lowest installation height in the rectifying tower is arranged right above the material low-temperature area.
3. A rectification apparatus having a double reboiler for heating according to claim 1, wherein: exhaust valves are arranged on the primary heating pipeline and the secondary heating pipeline, and the exhaust valves are arranged on the discharge sides of the pump body I and the pump body II.
4. A rectification apparatus having a double reboiler for heating according to claim 1, wherein: all be provided with a plurality of stop valves on primary heating pipeline and secondary heating pipeline, the stop valve is located between material low-temperature region and the pump body I, between pump body I and reboiler I, between reboiler I and the material high-temperature region, between material high-temperature region and the pump body II, between pump body II and reboiler II, on primary heating pipeline and the secondary heating pipeline between reboiler II and the material high-temperature region.
5. A rectification apparatus having a double reboiler for heating according to claim 1, wherein: a communicating pipe is arranged between the primary heating pipeline and the secondary heating pipeline, the inlet end of the communicating pipe is communicated with the primary heating pipeline between the pump body I and the material low-temperature area, the outlet end of the communicating pipe is communicated with the secondary heating pipeline between the pump body II and the material high-temperature area, and a valve body for controlling the on-off of the communicating pipe is arranged on the communicating pipe.
6. A rectification apparatus having a double reboiler for heating according to claim 1, wherein: the clapboard is a heat insulation board with heat insulation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123119139.2U CN216798745U (en) | 2021-12-13 | 2021-12-13 | Rectifying device with double reboilers for heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123119139.2U CN216798745U (en) | 2021-12-13 | 2021-12-13 | Rectifying device with double reboilers for heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216798745U true CN216798745U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123119139.2U Active CN216798745U (en) | 2021-12-13 | 2021-12-13 | Rectifying device with double reboilers for heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216798745U (en) |
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2021
- 2021-12-13 CN CN202123119139.2U patent/CN216798745U/en active Active
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