CN220779120U - Automatic change initiative and interfere crotonaldehyde layering device - Google Patents
Automatic change initiative and interfere crotonaldehyde layering device Download PDFInfo
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- CN220779120U CN220779120U CN202322505026.9U CN202322505026U CN220779120U CN 220779120 U CN220779120 U CN 220779120U CN 202322505026 U CN202322505026 U CN 202322505026U CN 220779120 U CN220779120 U CN 220779120U
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- layering
- oil phase
- water phase
- crotonaldehyde
- interface
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- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 title claims abstract description 28
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims 1
- 239000012071 phase Substances 0.000 abstract description 115
- 238000000926 separation method Methods 0.000 abstract description 21
- 238000007599 discharging Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 11
- 239000008346 aqueous phase Substances 0.000 abstract description 9
- 238000005191 phase separation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model belongs to the technical field of layering separation in crotonaldehyde production, and particularly relates to an automatic active interference layering device which comprises a central control system and a separation tank, wherein crude crotonaldehyde feed liquid enters the separation tank for layering, an oil phase overflow device is connected with the oil phase layer of the separation tank, and a water phase overflow device is connected with the water phase layer of the separation tank. And measuring the layering interface n in the separating tank by using a magnetostrictive liquid level transmitter, judging whether the layering interface n is positioned at an oil phase control threshold n1 or an aqueous phase control threshold n2 by using a central control system, and adjusting the size of an oil phase discharge regulating valve or an aqueous phase discharge regulating valve so as to control the layering interface. And the magnetostrictive liquid level transmitter, the oil phase discharging automatic regulating valve and the water phase discharging automatic regulating valve are respectively connected with the central control system. The method can instantly measure the layering interface and actively interfere layering, automatically adjust the layering interface, and has stable layering, better phase separation effect and higher working efficiency. The device can be realized without great transformation, and has obvious economic benefit.
Description
Technical Field
The utility model belongs to the technical field of liquid phase separation, and particularly relates to an automatic active interference crotonaldehyde layering device.
Background
In the existing crotonaldehyde production process, referring to fig. 3, crude crotonaldehyde enters a separation tank from an inlet of the separation tank for layering, oil phase flows out of an oil phase overflow device and enters a next unit through a discharge valve 4; the aqueous phase flows out from the aqueous phase overflow device through the discharge valve 5 and flows back to the previous unit. The existing method is affected by the discharging speed, pressure and the like of the last unit, the interface of the separating tank is extremely unstable and has large fluctuation, the layering interface is needed to be judged manually through a sight glass, and the layering interface is manually adjusted by manually adjusting the oil phase discharging valve 4 or the water phase discharging valve 5. The layering is unstable, the phase separation effect is poor, and the work efficiency is low.
Disclosure of Invention
The utility model aims to provide an automatic active interference crotonaldehyde layering device to solve the technical problems of unstable layering, poor phase separation effect and low working efficiency of the existing layering device.
The technical scheme of the utility model is as follows:
an automatic active interference crotonaldehyde layering method is characterized in that the upper ends of an oil phase overflow device and an aqueous phase overflow device are communicated and connected into a pressure maintaining device, an layering interface n in the separating tank is measured, a central control system judges whether the layering interface n is positioned at an oil phase control threshold n1 or not, and the size of an oil phase discharge regulating valve is regulated, so that the aim of controlling the layering interface is fulfilled. The oil phase discharge valve is always in a closed state, and the water phase discharge valve is always in an open state.
An automatic active interference crotonaldehyde layering method is characterized in that the upper ends of an oil phase overflow device and an aqueous phase overflow device are communicated and connected into a pressure maintaining device, an inner layering interface n of the separating tank is measured, a central control system judges whether the layering interface n is positioned at an aqueous phase control threshold n2, and the size of an aqueous phase discharge regulating valve is regulated, so that the aim of controlling the layering interface is fulfilled. The water phase discharge valve is always in a closed state, and the oil phase discharge valve is in an open state.
The automatic active interference crotonaldehyde layering method is characterized in that the layering interface height n in a separating tank is measured, a central control system judges whether the layering interface n is equal to an oil phase control threshold value n1, when n is not equal to the optimal value n1, the central control system sends a command to adjust the opening of an oil phase discharging automatic regulating valve, when n is smaller than n1, the opening of the oil phase discharging automatic regulating valve is opened, and when n is larger than n1, the opening of the oil phase discharging automatic regulating valve is closed, so that the layering interface n tends to n1. The oil phase discharge valve is always in a closed state, and the water phase discharge valve is always in an open state.
The automatic active interference crotonaldehyde layering method is characterized in that an layering interface n in a separation tank is measured, and a central control system judges whether the layering interface n is equal to a water phase control threshold n2; when n is not equal to the optimal value n2, the central control system can send a command to adjust the size of the water phase discharging adjusting valve, when n is smaller than n2, the opening of the water phase discharging adjusting valve is closed, and when n is larger than n2, the opening of the water phase discharging adjusting valve is opened, so that the layering interface n is adjusted to tend to n2. The water phase discharge valve is always in a closed state, and the oil phase discharge valve is in an open state.
The automatic active interference crotonaldehyde layering method is characterized in that a magnetostrictive liquid level transmitter is adopted to measure the interfacial height n in the separation tank.
An automatic active interference crotonaldehyde layering device comprises a central control system, a separating tank, wherein crude crotonaldehyde feed liquid enters the separating tank for layering, an oil phase overflow device is connected with the oil phase layer of the separating tank, and a water phase overflow device is connected with the water phase layer of the separating tank; the overflow outlets of the oil phase overflow device and the water phase overflow device are respectively connected with an oil phase overflow pipeline and a water phase overflow pipeline; the oil phase overflow pipeline and the water phase overflow pipeline are respectively provided with an oil phase discharge valve and a water phase discharge valve, and parallel regulating valve branches are arranged in the oil phase overflow pipeline or the water phase overflow pipeline, and the oil phase discharge valve, the water phase discharge valve, the regulating valve and the layering height measuring device are respectively connected with the central control system.
The automatic active interference crotonaldehyde layering device is characterized in that the layering height measuring device adopts a magnetostrictive liquid level transmitter.
The technical scheme for realizing the aim of the utility model is as follows:
further, the oil phase control threshold value n1 is 225mm.
Further the water phase control threshold n2 is 235mm.
The utility model adopts the magnetostrictive liquid level transmitter to measure the layering boundary in the layering device and instantly measure the layering device interface value. According to the set interface value, the central control system can automatically adjust the discharge amount of the oil phase or the discharge amount of the water phase and control the layering interface.
The magnetostrictive liquid level transmitter is arranged in the separating tank.
The method can measure the layering interface in real time and actively interfere layering, automatically adjust the layering interface, and has stable layering, better phase separation effect and higher working efficiency. The device can be realized without great transformation, and has obvious economic benefit.
Drawings
FIG. 1 is a schematic diagram of a crotonaldehyde layering device according to the present utility model.
FIG. 2 is a schematic diagram of a second embodiment of the crotonaldehyde layering device of the present utility model.
FIG. 3 is a schematic diagram of a prior art crotonaldehyde layering device.
Reference numerals in the drawings:
1 is a separation tank; 2 is an oil phase overflow device; 3 is an aqueous phase overflow device; 4 is an oil phase discharge valve; 5 is a water phase discharge valve; 6 is an oil phase discharging automatic regulating valve; 7 is an automatic water phase discharging regulating valve; 8 is a magnetostrictive liquid level transmitter.
Detailed Description
Example 1
See fig. 1.
An automatic active interference crotonaldehyde layering device comprises a central control system, a separation tank 1, wherein crude crotonaldehyde feed liquid enters the separation tank 1 for layering, an oil phase overflow device 2 is connected with the oil phase layer of the separation tank, a water phase overflow device 3 is connected with the water phase layer of the separation tank, a magnetostrictive liquid level transmitter 8 is arranged in the separation tank 1, the upper ends of the oil phase overflow device 2 and the water phase overflow device 3 are communicated and connected with ammonia gas for pressure maintaining, and overflow outlets are respectively arranged on the oil phase overflow device 2 and the water phase overflow device 3; the overflow outlets of the oil phase overflow device and the water phase overflow device are respectively connected with an oil phase overflow pipeline and a water phase overflow pipeline; the oil phase overflow pipeline and the water phase overflow pipeline are respectively provided with an oil phase discharge valve 4 and a water phase discharge valve 5, the oil phase overflow pipeline is provided with an oil phase discharge automatic regulating valve 6 branch which is connected in parallel, and the oil phase discharge valve 2, the water phase discharge valve 3, the regulating valve 6 and the magnetostrictive liquid level transmitter 8 are respectively connected with a central control system. The bottom of the separating tank 1 is communicated with the bottom of the water phase overflow device 3 through pipelines respectively, a valve is arranged in each pipeline, and the water phase overflow pipeline is connected after the water phase overflow pipeline is converged.
According to the automatic active interference crotonaldehyde layering method, the layering interface height n in the separation tank 1 is measured, and the central control system judges whether the layering interface n is equal to an oil phase control threshold value n1 of 225mm. When n is not equal to the optimal value n1, the central control system can send a command to adjust the opening degree of the oil phase discharging automatic regulating valve 6, when n is smaller than n1, the opening degree of the oil phase discharging automatic regulating valve 6 is large, and when n is larger than n1, the opening degree of the oil phase discharging automatic regulating valve 6 is small, so that the layering interface n is adjusted to tend to n1. The oil phase discharge valve 4 is always in a closed state, and the water phase discharge valve 5 is always in an open state.
Example 2
See fig. 2.
An automatic active interference crotonaldehyde layering device comprises a central control system, a separation tank 1, wherein crude crotonaldehyde feed liquid enters the separation tank 1 for layering, an oil phase overflow device 2 is connected with the oil phase layer of the separation tank, a water phase overflow device 3 is connected with the water phase layer of the separation tank, a magnetostrictive liquid level transmitter 8 is arranged in the separation tank 1, the upper ends of the oil phase overflow device 2 and the water phase overflow device 3 are communicated and connected with ammonia gas for pressure maintaining, and overflow outlets are respectively arranged on the oil phase overflow device 2 and the water phase overflow device 3; the overflow outlets of the oil phase overflow device and the water phase overflow device are respectively connected with an oil phase overflow pipeline and a water phase overflow pipeline; the oil phase overflow pipeline and the water phase overflow pipeline are respectively provided with an oil phase discharge valve 4 and a water phase discharge valve 5, the water phase overflow pipeline is provided with a branch of a water phase discharge automatic regulating valve 7 which is connected in parallel, and the oil phase discharge valve 2, the water phase discharge valve 3, the regulating valve 7 and a magnetostrictive liquid level transmitter 8 are respectively connected with a central control system. The bottom of the separating tank 1 is communicated with the bottom of the water phase overflow device 3 through pipelines respectively, a valve is arranged in each pipeline, and the water phase overflow pipeline is connected after the water phase overflow pipeline is converged.
According to the automatic active interference crotonaldehyde layering method, layering interfaces n in the separating tank 1 are measured, and a central control system judges whether the layering interfaces n are equal to a water phase control threshold value n2 of 235mm; when n is not equal to the optimal value n2, the central control system can send a command to adjust the size of the water phase discharging adjusting valve 7, when n is smaller than n2, the opening of the water phase discharging adjusting valve 7 is closed, and when n is larger than n2, the opening of the water phase discharging adjusting valve 7 is opened, so that the layering interface n is adjusted to tend to n2. The water phase discharge valve 5 is always in a closed state, and the oil phase discharge valve 4 is in an open state.
The method can measure the layering interface in real time and actively interfere layering, automatically adjust the layering interface, has stable layering, better phase separation effect and higher working efficiency. The device can be realized without great transformation, and has obvious economic benefit.
Claims (2)
1. An automatic active interference crotonaldehyde layering device comprises a central control system, a separating tank, wherein crude crotonaldehyde feed liquid enters the separating tank for layering, an oil phase overflow device is connected with the oil phase layer of the separating tank, and a water phase overflow device is connected with the water phase layer of the separating tank; the overflow outlets of the oil phase overflow device and the water phase overflow device are respectively connected with an oil phase overflow pipeline and a water phase overflow pipeline; the oil phase overflow pipeline and the water phase overflow pipeline are respectively provided with an oil phase discharge valve and a water phase discharge valve, and parallel regulating valve branches are arranged in the oil phase overflow pipeline or the water phase overflow pipeline, and the oil phase discharge valve, the water phase discharge valve, the regulating valve and the layering height measuring device are respectively connected with the central control system.
2. The automated active interference crotonaldehyde layering device of claim 1, wherein the layering height measurement device is a magnetostrictive liquid level transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505026.9U CN220779120U (en) | 2023-09-14 | 2023-09-14 | Automatic change initiative and interfere crotonaldehyde layering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505026.9U CN220779120U (en) | 2023-09-14 | 2023-09-14 | Automatic change initiative and interfere crotonaldehyde layering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220779120U true CN220779120U (en) | 2024-04-16 |
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ID=90655183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322505026.9U Active CN220779120U (en) | 2023-09-14 | 2023-09-14 | Automatic change initiative and interfere crotonaldehyde layering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220779120U (en) |
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2023
- 2023-09-14 CN CN202322505026.9U patent/CN220779120U/en active Active
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