CN214861266U - Oil seal system of rectifying tower kettle - Google Patents
Oil seal system of rectifying tower kettle Download PDFInfo
- Publication number
- CN214861266U CN214861266U CN202023263365.3U CN202023263365U CN214861266U CN 214861266 U CN214861266 U CN 214861266U CN 202023263365 U CN202023263365 U CN 202023263365U CN 214861266 U CN214861266 U CN 214861266U
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- heat
- collecting tank
- conducting oil
- rectifying tower
- oil
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002893 slag Substances 0.000 claims abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 230000001502 supplementing effect Effects 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000004945 emulsification Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a rectifying tower kettle oil seal system, which comprises a rectifying tower kettle, wherein a heat conducting oil jacket is coated outside the rectifying tower kettle; the heat-conducting oil jacket is provided with an oil inlet and an oil outlet, the top of the heat-conducting oil jacket is provided with a steam outlet, and the steam outlet is connected with a sealed collecting tank through a pipeline; the top of the collecting tank is provided with a nitrogen supplementing port and a pressure relief port, a condensate outlet is arranged below the side wall, and the condensate outlet is connected with the steam outlet through a pipeline. The bottom of the collecting tank is provided with an overhaul slag discharge port, and the overhaul slag discharge port is connected with the steam outlet through a pipeline. The heat-conducting oil steam in the heat-conducting oil jacket flows into the collecting tank to be condensed and stored, and then flows into the heat-conducting oil jacket to be recycled, the whole process is carried out under a sealed condition, the heat-conducting oil in the system is prevented from being exposed in the air, the oxidation and emulsification of the heat-conducting oil are avoided, and the service cycle of the heat-conducting oil is prolonged.
Description
Technical Field
The utility model relates to a rectifier unit, in particular to rectification tower cauldron oil blanket system.
Background
The rectifying tower is a tower-type gas-liquid contact device for rectifying. 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 generally adopts an electric heating tube or heat conduction oil as a heat source for heating materials in the tower, however, steam can be generated in the heat conduction oil in the heat exchange process, the steam is discharged through a pipeline (as shown in figure 1) in the common practice of the industry, the pipeline is exposed in the air in the discharge process, the oxidation and emulsification of the heat conduction oil can be caused, the quality of the heat conduction oil is deteriorated, the service life of the heat conduction oil is influenced, and the heat conduction oil needs to be replaced regularly.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a rectifying tower kettle oil seal system, which adopts the system to lead the heat-conducting oil to be difficult to oxidize and emulsify and can prolong the service cycle of the heat-conducting oil.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rectifying tower kettle oil seal system comprises a rectifying tower kettle, wherein a heat conduction oil jacket is coated on the outer side of the rectifying tower kettle; an oil inlet and an oil outlet are formed in the bottom of the heat-conducting oil jacket, a steam outlet is formed in the top of the heat-conducting oil jacket, and the steam outlet is connected with a sealed collecting tank through a pipeline; the top of the collecting tank is provided with a nitrogen supplementing port and a pressure relief port, a condensate outlet is arranged below the side wall, and the condensate outlet is connected with the steam outlet through a pipeline.
Furthermore, the bottom of the collecting tank is provided with an overhauling slag discharging hole, and the overhauling slag discharging hole is connected with the steam outlet through a pipeline.
Further, the collection tank is arranged above the rectifying tower kettle.
Furthermore, the collecting tank is provided with a pressure sensor, and a signal output end of the pressure sensor is connected with the controller through a lead.
Furthermore, the nitrogen supplementing opening of the collecting tank is provided with a regulating valve, the pressure relief opening is provided with a pressure relief valve, and the regulating valve and the pressure relief valve are electrically connected with the controller and controlled by the controller. Furthermore, an electric heating device is arranged in the rectifying tower kettle.
Still further, the collection tank is connected with one or more distillation tower kettles. The beneficial effects of the utility model reside in that: the utility model discloses a rectifying tower kettle oil seal system rectifying tower kettle is wrapped with a heat conducting oil jacket; the steam outlet of the heat-conducting oil jacket is connected with the sealed collecting tank through a pipeline, and the condensate outlet of the collecting tank is connected with the steam outlet of the heat-conducting oil jacket through a pipeline. The heat-conducting oil steam in the heat-conducting oil jacket flows into the collecting tank to be condensed and stored, and then flows into the heat-conducting oil jacket to be recycled, the whole process is carried out under a sealed condition, the heat-conducting oil in the system is prevented from being exposed in the air, the oxidation and emulsification of the heat-conducting oil are avoided, and the service cycle of the heat-conducting oil is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art oil seal system at the bottom of a rectification column;
FIG. 2 is a schematic structural diagram of the oil seal system of the rectifying tower kettle of the utility model;
wherein: 1. a rectifying tower kettle; 2. a heat conducting oil jacket; 21. an oil inlet and an oil outlet; 22. a steam outlet; 3. a collection tank; 31. a nitrogen gas supplement port; 32. a pressure relief port; 33. overhauling a slag discharging hole; 34. a condensate outlet; 4. an electric heating device.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims.
As shown in fig. 2, a rectification column kettle oil seal system comprises a rectification column kettle 1, wherein a heat conducting oil jacket 2 is coated on the outer side of the rectification column kettle 1, and an electric heating device 4 is arranged in the rectification column kettle 1. The electric heating device 4 is preferably an electric heating tube, and materials in the rectifying tower kettle 1 are heated through the electric heating tube and heat conducting oil.
The heat conducting oil jacket 2 is provided with an oil inlet and outlet 21, the top of the heat conducting oil jacket is provided with a steam outlet 22, and the steam outlet 22 is connected with the sealed collecting tank 3 through a pipeline. The oil inlet and outlet 21 is arranged at the bottom of the heat-conducting oil jacket 2, and the collecting tank 3 is arranged above the rectifying tower kettle 1. Conduction oil is injected into the conduction oil jacket 2 from the oil inlet/outlet 21, and the high-temperature conduction oil generates steam which flows out from the steam outlet 22 and flows into the collecting tank 3 located at a high position through a pipeline, so that the steam is stored in the collecting tank 3. The collecting tank 3 is a sealed structure, and heat conduction oil in the pipeline is not exposed in the air in the whole process, so that the oxidation and emulsification phenomena of the contact of the heat conduction oil and the air are avoided. The collecting tank 3 has the functions of condensing and collecting heat conducting oil, the liquid level in the collecting tank 3 is kept at the height below the side wall, and once liquid flows into the rectifying tower kettle 1 below.
Further, the collection tank 3 is connected to one or more rectifying still 1. In the actual assembly process of mill, according to field layout needs and storage tank capacity condition, can set up a holding vessel 3 by 1 top of a rectifying column cauldron, also can a plurality of rectifying column cauldron 1 connect a holding vessel 3 jointly. Usually, the collection tank 3 and the rectifying still 1 are disposed on different floors, and the collection tank 3 is disposed on a higher floor than the rectifying still 1.
The top of the collecting tank 3 is provided with a nitrogen supplementing port 31 and a pressure relief port 32, and the nitrogen supplementing port 31 is used for supplementing the system pressure required by the temperature reduction of the heater of the rectifying tower kettle 1 to the rectifying tower kettle 1 and the collecting tank 3, so that the rectifying tower kettle 1 and the collecting tank 3 are kept in a positive pressure state.
A condensate outlet 34 is arranged below the side wall of the collecting tank 3, and the condensate outlet 34 is connected with the steam outlet 22 through a pipeline. The bottom of the collecting tank 3 is provided with a maintenance slag discharging port 33, and the maintenance slag discharging port 33 is connected with the steam outlet 22 through a pipeline. The maintenance slag discharging port 33 is in a closed state in a normal use state, and is opened only when slag discharging operation is performed in the collection tank 3, and liquid and slag are discharged from the maintenance slag discharging port 33. The collecting tank 3 is provided with a pressure sensor, and the signal output end of the pressure sensor is connected with the controller through a lead.
The nitrogen supplementing opening 31 of the collecting tank 3 is provided with a regulating valve, the pressure relief opening 32 is provided with a pressure relief valve, and the regulating valve and the pressure relief valve are electrically connected with and controlled by the controller. The regulating valve is used for supplementing nitrogen to the collecting tank 3 and the rectifying tower kettle 1, and the pressure relief valve is used for draining the pressure of the collecting tank 3 and the rectifying tower kettle 1.
When the pressure sensor detects that the pressure in the collecting tank 3 exceeds a given pressure height, the controller controls a pressure relief valve of the pressure relief opening 32 to be opened, and air is exhausted from the pressure relief opening 32 for pressure relief; when the heating of the rectifying tower kettle 1 is stopped, the pressure of the rectifying tower kettle 1 is reduced, and the regulating valve of the nitrogen supplementing port 31 is opened to supplement nitrogen to the system so as to prevent the equipment from generating negative pressure. A small amount of liquid in the collecting tank 3 flows out from a condensate outlet 34, flows into the conduction oil jacket 2 from the steam outlet 22 through a pipeline and is recycled. The whole process is carried out under the sealed condition, so that the contact between heat-conducting oil in the pipeline and air is avoided, and the oxidation and emulsification of the heat-conducting oil are avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. The utility model provides a rectifying column cauldron oil blanket system, includes rectifying column cauldron (1), its characterized in that: a heat-conducting oil jacket (2) is coated on the outer side of the rectifying tower kettle (1); an oil inlet and outlet (21) is formed in the bottom of the heat conduction oil jacket (2), a steam outlet (22) is formed in the top of the heat conduction oil jacket, and the steam outlet (22) is connected with the sealed collection tank (3) through a pipeline; the top of the collecting tank (3) is provided with a nitrogen supplementing port (31) and a pressure relief port (32), a condensate outlet (34) is arranged below the side wall, and the condensate outlet (34) is connected with the steam outlet (22) through a pipeline.
2. The rectifying column kettle oil seal system according to claim 1, wherein: the bottom of the collecting tank (3) is provided with an overhaul slag discharge hole (33), and the overhaul slag discharge hole (33) is connected with the steam outlet (22) through a pipeline.
3. The rectifying column kettle oil seal system according to claim 1, wherein: the collecting tank (3) is arranged above the rectifying tower kettle (1).
4. The rectifying column kettle oil seal system according to claim 1, wherein: the collecting tank (3) is provided with a pressure sensor, and the signal output end of the pressure sensor is connected with the controller through a lead.
5. The rectifying column kettle oil seal system according to claim 4, wherein: and a regulating valve is arranged at a nitrogen supplementing port (31) of the collecting tank (3), a pressure relief valve is arranged at a pressure relief port (32), and the regulating valve and the pressure relief valve are electrically connected with and controlled by the controller.
6. The rectifying column kettle oil seal system according to claim 1, wherein: an electric heating device (4) is arranged in the rectifying tower kettle (1).
7. The rectifying column kettle oil seal system according to claim 1, wherein: the collecting tank (3) is connected with one or more rectifying tower kettles (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023263365.3U CN214861266U (en) | 2020-12-29 | 2020-12-29 | Oil seal system of rectifying tower kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023263365.3U CN214861266U (en) | 2020-12-29 | 2020-12-29 | Oil seal system of rectifying tower kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214861266U true CN214861266U (en) | 2021-11-26 |
Family
ID=78925963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023263365.3U Active CN214861266U (en) | 2020-12-29 | 2020-12-29 | Oil seal system of rectifying tower kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214861266U (en) |
-
2020
- 2020-12-29 CN CN202023263365.3U patent/CN214861266U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A distillation tower kettle oil seal system Granted publication date: 20211126 Pledgee: Bank of China Limited Qianjiang Branch Pledgor: WUHAN XINGUI TECHNOLOGY QIANJIANG Co.,Ltd. Registration number: Y2024980013384 |