CN206152379U - Top of tower steady voltage rectifying column - Google Patents
Top of tower steady voltage rectifying column Download PDFInfo
- Publication number
- CN206152379U CN206152379U CN201621159183.2U CN201621159183U CN206152379U CN 206152379 U CN206152379 U CN 206152379U CN 201621159183 U CN201621159183 U CN 201621159183U CN 206152379 U CN206152379 U CN 206152379U
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- Prior art keywords
- pressure
- rectifying column
- condenser
- return tank
- valve
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Abstract
The utility model discloses a top of tower steady voltage rectifying column, including controlling means, rectifying column, pressure sensor, condenser, backwash pump and return tank. The discharge gate department of rectifying column is provided with pressure boost pipeline and pressure reducing pipe way, be provided with pressure -increasing valves on the pressure boost pipeline, on saying, pressure reducing pipe is provided with the relief pressure valve, the backwash pump is located on the backflow pipeline of return tank. Controlling means's input is connected with pressure sensor's output, controlling means's first output and pressure -increasing valves's input, controlling means's the second output and the input of relief pressure valve are connected. Pressure that can the effective control rectifying column, and the stability of holding pressure power.
Description
Technical field
This utility model is related to field of chemical equipment, and in particular to a kind of tower top voltage stabilizing rectifying column.
Background technology
Rectification is that one kind makes liquid mixture obtain the detached distillating method of high-purity using backflow, is industrial application most
Wide liquid mixture lock out operation, is widely used in the departments such as oil, chemical industry, light industry, food, metallurgy.Typical rectifying device
It is continuous rectification apparatus, mainly including rectifying column, reboiler and condenser etc..Traditionally, will be volatile in liquid mixture
Component A is referred to as light component, and difficult volatile component B is then referred to as heavy constituent.In Chemical Manufacture, two kinds of operations of reaction and separation are generally respectively
Carry out in the single equipment of two classes.If can combine both, carry out simultaneously within one device, the product that reaction is generated
Thing or intermediate product are separated in time, then can improve the yield of product, while and separate for product using reaction heat, reach section
The purpose of energy.Reactive distillation is exactly to isolate the process of product with rectificating method while being reacted.With chemical reaction
Rectificating method, have with rectification promote react, it is some with reaction promote rectification.Wherein, promoted to react with rectification, exactly passed through
The product of reaction is constantly removed in rectification, to improve reaction conversion ratio and yield.
In the automatically controlling of rectifying column, keep tower pressure it is constant be stable operation condition.This presses meeting mainly due to tower
Affect following two aspect, one is that the change of pressure will cause the change of VLE condition on gas phase flow rate and tower top in tower, is led
Cause the change of material balance in tower.Two is the presence of certain relation between boiling point and pressure due to blending ingredients, and the temperature of column plate
Degree reflects the composition of material indirectly.Therefore, the constant prerequisite for being to ensure material balance and product quality of pressure.
Existing rectifying tower pressure control mode tower pressure fluctuation range is larger, typically in setting value plus-minus 5KPa scopes even
Bigger, tower pressure fluctuation is excessive, will destroy the material balance and vapor liquid equilibrium of full tower, affects gas-liquid mass transfer heat transfer effect in rectifying column
Really, and then rectifying column product quality may be impacted.
Utility model content
Based on this, for the problem that the fluctuation of existing Rectification column pressure is larger, the utility model proposes a kind of tower top voltage stabilizing is smart
Tower is evaporated, can be with effectively solving the problems referred to above.
The technical solution of the utility model is：
A kind of tower top voltage stabilizing rectifying column, including control device, rectifying column, pressure transducer, condenser, reflux pump and backflow
Tank.The rectifying column is sequentially connected in series and is formed closed-loop arrangement with pressure transducer and return tank.The pressure transducer peace
It is mounted on the rectifying column and the tank connected branch road of the backflow；The gas-phase feed mouth of the condenser goes out with the gas phase of rectifying column
Pipe material connects, and the gas phase discharging opening of condenser is connected with return tank.The bottom of the condenser is provided with liquid phase discharging opening.It is described
The discharge outlet of rectifying column is provided with pressure pipeline and blood pressure lowering pipeline, and pressure charging valve, the blood pressure lowering are provided with the pressure pipeline
Air relief valve is provided with pipeline.The reflux pump is on the reflux line of the return tank.The input of the control device
It is connected with the outfan of pressure transducer, the first outfan of the control device and the input of pressure charging valve, the control dress
The second outfan put is connected with the input of air relief valve.
Operation principle of the present utility model is：Pressure transducer by received pressure conversion be signal transmission to control
Device, control device is analyzed the information for receiving, and then makes next step action according to information：When information represents pressure
When not enough, control device opens pressure charging valve and rectifying column is pressurized, until the information of pressure transducer transmission represents pressure
Power has reached closes pressure charging valve after standard value, when information is represented pressure is excessive when, control device open air relief valve to rectification
Tower is reduced pressure, and air relief valve is closed after standard value until the information of pressure transducer transmission represents that pressure has reached.Can be effective
The pressure of control rectifying column, and keep stablizing for pressure.
The pressure transducer is ceramic piezoresistance, pressure sensor.Ceramic piezoresistance, pressure sensor is anticorrosive and anti-impact force
Ability it is high, extend the pressure transducer life-span, it is cost-effective.
The condenser is water cooled condenser.Water cooling cycle installation is convenient and pollution-free.
The pressure charging valve is gas boosting valve, and the gas of the gas boosting valve transmission is nitrogen.Gas boosting valve is conveyed
Nitrogen be noble gases, it is ensured that the purity of rectification thing.
The beneficial effects of the utility model are：
（1）With the pressure of effective control rectifying column, and stablizing for pressure can be kept；
（2）Extend the pressure transducer life-span, it is cost-effective；
（3）Water cooling cycle installation is convenient and pollution-free；
（4）The nitrogen of gas boosting valve conveying is noble gases, it is ensured that the purity of rectification thing.
Description of the drawings
Fig. 1 is a kind of structure chart of tower top voltage stabilizing rectifying column described in this utility model embodiment；
Description of reference numerals：
100th, rectifying column；200th, pressure transducer；300th, condenser；400th, return tank；410th, reflux pump；500th, pressure inlet
Road；510th, pressure charging valve；600th, blood pressure lowering pipeline；610th, dropping valve.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
It is as shown in figure 1, a kind of tower top voltage stabilizing rectifying column including control device, rectifying column 100, pressure transducer 200, cold
Condenser 300, reflux pump 410 and return tank 400.The rectifying column 100 is sequentially connected in series with pressure transducer 200 and return tank 400
And formation closed-loop arrangement.The pressure transducer 200 connects installed in the rectifying column 100 and the return tank 400
On branch road；The gas-phase feed mouth of the condenser 300 is connected with the gas phase discharge pipe of rectifying column 100, the gas phase of condenser 300
Discharging opening is connected with return tank 400.The bottom of the condenser 300 is provided with liquid phase discharging opening.The discharging opening of the rectifying column 100
Place is provided with pressure pipeline 500 and blood pressure lowering pipeline 600, and pressure charging valve 510, the decompression tube are provided with the pressure pipeline 500
600 are provided with air relief valve 610 on road.The reflux pump 410 is on the reflux line of the return tank 400.The control dress
The input put is connected with the outfan of pressure transducer 200, and the first outfan of the control device is defeated with pressure charging valve 510
Enter end, the second outfan of the control device is connected with the input of air relief valve 610.
Embodiment 2
It is as shown in figure 1, a kind of tower top voltage stabilizing rectifying column including control device, rectifying column 100, pressure transducer 200, cold
Condenser 300, reflux pump 410 and return tank 400.The rectifying column 100 is sequentially connected in series with pressure transducer 200 and return tank 400
And formation closed-loop arrangement.The pressure transducer 200 connects installed in the rectifying column 100 and the return tank 400
On branch road；The gas-phase feed mouth of the condenser 300 is connected with the gas phase discharge pipe of rectifying column 100, the gas phase of condenser 300
Discharging opening is connected with return tank 400.The bottom of the condenser 300 is provided with liquid phase discharging opening.The discharging opening of the rectifying column 100
Place is provided with pressure pipeline 500 and blood pressure lowering pipeline 600, and pressure charging valve 510, the decompression tube are provided with the pressure pipeline 500
600 are provided with air relief valve 610 on road.The reflux pump 410 is on the reflux line of the return tank 400.The control dress
The input put is connected with the outfan of pressure transducer 200, and the first outfan of the control device is defeated with pressure charging valve 510
Enter end, the second outfan of the control device is connected with the input of air relief valve 610.
The pressure transducer 200 is ceramic piezoresistance, pressure sensor.
Embodiment 3
It is as shown in figure 1, a kind of tower top voltage stabilizing rectifying column including control device, rectifying column 100, pressure transducer 200, cold
Condenser 300, reflux pump 410 and return tank 400.The rectifying column 100 is sequentially connected in series with pressure transducer 200 and return tank 400
And formation closed-loop arrangement.The pressure transducer 200 connects installed in the rectifying column 100 and the return tank 400
On branch road；The gas-phase feed mouth of the condenser 300 is connected with the gas phase discharge pipe of rectifying column 100, the gas phase of condenser 300
Discharging opening is connected with return tank 400.The bottom of the condenser 300 is provided with liquid phase discharging opening.The discharging opening of the rectifying column 100
Place is provided with pressure pipeline 500 and blood pressure lowering pipeline 600, and pressure charging valve 510, the decompression tube are provided with the pressure pipeline 500
600 are provided with air relief valve 610 on road.The reflux pump 410 is on the reflux line of the return tank 400.The control dress
The input put is connected with the outfan of pressure transducer 200, and the first outfan of the control device is defeated with pressure charging valve 510
Enter end, the second outfan of the control device is connected with the input of air relief valve 610.
The pressure transducer 200 is ceramic piezoresistance, pressure sensor.
The condenser 300 is water cooled condenser.
Embodiment 4
It is as shown in figure 1, a kind of tower top voltage stabilizing rectifying column including control device, rectifying column 100, pressure transducer 200, cold
Condenser 300, reflux pump 410 and return tank 400.The rectifying column 100 is sequentially connected in series with pressure transducer 200 and return tank 400
And formation closed-loop arrangement.The pressure transducer 200 connects installed in the rectifying column 100 and the return tank 400
On branch road；The gas-phase feed mouth of the condenser 300 is connected with the gas phase discharge pipe of rectifying column 100, the gas phase of condenser 300
Discharging opening is connected with return tank 400.The bottom of the condenser 300 is provided with liquid phase discharging opening.The discharging opening of the rectifying column 100
Place is provided with pressure pipeline 500 and blood pressure lowering pipeline 600, and pressure charging valve 510, the decompression tube are provided with the pressure pipeline 500
600 are provided with air relief valve 610 on road.The reflux pump 410 is on the reflux line of the return tank 400.The control dress
The input put is connected with the outfan of pressure transducer 200, and the first outfan of the control device is defeated with pressure charging valve 510
Enter end, the second outfan of the control device is connected with the input of air relief valve 610.
The pressure transducer 200 is ceramic piezoresistance, pressure sensor.
The condenser 300 is water cooled condenser.
The pressure charging valve 510 is gas boosting valve, and the gas of the gas boosting valve transmission is nitrogen.
Embodiment described above only expresses specific embodiment of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.
Claims (4)
1. a kind of tower top voltage stabilizing rectifying column, it is characterised in that including control device, rectifying column, pressure transducer, condenser, return
Stream pump and return tank；The rectifying column is sequentially connected in series and is formed closed-loop arrangement with pressure transducer and return tank；The pressure
Force transducer is arranged on the rectifying column and the tank connected branch road of the backflow；The gas-phase feed mouth of the condenser and rectification
The gas phase discharge pipe connection of tower, the gas phase discharging opening of condenser is connected with return tank；The bottom of the condenser is provided with liquid phase
Discharging opening；The discharge outlet of the rectifying column is provided with pressure pipeline and blood pressure lowering pipeline, and supercharging is provided with the pressure pipeline
Valve, on the blood pressure lowering pipeline air relief valve is provided with；The reflux pump is on the reflux line of the return tank；The control dress
The input put is connected with the outfan of pressure transducer, the first outfan of the control device and the input of pressure charging valve,
Second outfan of the control device is connected with the input of air relief valve.
2. tower top voltage stabilizing rectifying column according to claim 1, it is characterised in that the pressure transducer is ceramic pressure drag pressure
Force transducer.
3. tower top voltage stabilizing rectifying column according to claim 1, it is characterised in that the condenser is water cooled condenser.
4. tower top voltage stabilizing rectifying column according to claim 1, it is characterised in that the pressure charging valve is gas boosting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159183.2U CN206152379U (en) | 2016-11-01 | 2016-11-01 | Top of tower steady voltage rectifying column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159183.2U CN206152379U (en) | 2016-11-01 | 2016-11-01 | Top of tower steady voltage rectifying column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206152379U true CN206152379U (en) | 2017-05-10 |
Family
ID=58654398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621159183.2U Expired - Fee Related CN206152379U (en) | 2016-11-01 | 2016-11-01 | Top of tower steady voltage rectifying column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206152379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690435A (en) * | 2020-06-23 | 2020-09-22 | 泰州衡川新能源材料科技有限公司 | Device for reducing content of dichloromethane in paraffin oil |
| CN115155089A (en) * | 2022-06-23 | 2022-10-11 | 泰兴金江化学工业有限公司 | Pressure balancing device for ethyl acetate rectifying tower |
-
2016
- 2016-11-01 CN CN201621159183.2U patent/CN206152379U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690435A (en) * | 2020-06-23 | 2020-09-22 | 泰州衡川新能源材料科技有限公司 | Device for reducing content of dichloromethane in paraffin oil |
| CN111690435B (en) * | 2020-06-23 | 2022-03-08 | 泰州衡川新能源材料科技有限公司 | Device for reducing content of dichloromethane in paraffin oil |
| CN115155089A (en) * | 2022-06-23 | 2022-10-11 | 泰兴金江化学工业有限公司 | Pressure balancing device for ethyl acetate rectifying tower |
| CN115155089B (en) * | 2022-06-23 | 2024-01-05 | 泰兴金江化学工业有限公司 | Pressure balancing device for ethyl acetate rectifying tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181101 |