CN217854636U - Stable reflux device of tertiary amine separation tower - Google Patents
Stable reflux device of tertiary amine separation tower Download PDFInfo
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- CN217854636U CN217854636U CN202222363249.1U CN202222363249U CN217854636U CN 217854636 U CN217854636 U CN 217854636U CN 202222363249 U CN202222363249 U CN 202222363249U CN 217854636 U CN217854636 U CN 217854636U
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- tertiary amine
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- liquid phase
- condensation pipe
- separation tower
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Abstract
The utility model relates to a tertiary amine production technical field specifically is a tertiary amine knockout tower stable reflux unit. The stable reflux device for the tertiary amine separation tower comprises the separation tower, wherein a low-temperature condensation pipe and a high-temperature condensation pipe are arranged in a cavity of the separation tower, the low-temperature condensation pipe is located above the high-temperature condensation pipe, an inclined tower plate is arranged between the low-temperature condensation pipe and the high-temperature condensation pipe, and a liquid stabilizer is arranged below the high-temperature condensation pipe. The inclined column plate is provided with inclined column plate air holes and inclined column plate diversion trenches, the inclined column plate air holes are beneficial to gas to pass through, and the inclined column plate diversion trenches are beneficial to condensed liquid to flow down along the plate. The multistage condensation of this device through the knockout tower not only can reduce the pollution to the environment, can stably flow back to reation kettle with gained liquid moreover and utilize again, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a tertiary amine production technical field specifically is a tertiary amine knockout tower stable reflux unit.
Background
Tertiary amines, TEA for short, are amines having a trivalent radical in the molecule attached to three hydrocarbon groups. Tertiary amines are basic, can form salts with acids, have wide application, can be used as intermediate products of various special chemical derivatives, and are important raw materials for producing quaternary ammonium salts.
In the production process of tertiary amine, the temperature needs to be raised and heated, and in the process, more organic solvent is gasified, so that the environment is polluted, and a plurality of hidden dangers exist in the subsequent treatment.
SUMMERY OF THE UTILITY MODEL
According to not enough among the above prior art, the utility model aims at providing a tertiary amine knockout tower stabilizes reflux unit, its multistage condensation through the knockout tower not only can reduce the pollution to the environment, can stabilize backward flow to reation kettle reuse with gained liquid phase moreover, has reduced manufacturing cost.
The utility model discloses an adopt following technical scheme to realize:
the stable reflux device for the tertiary amine separation tower comprises the separation tower, wherein a low-temperature condensation pipe and a high-temperature condensation pipe are arranged in a cavity of the separation tower, the low-temperature condensation pipe is located above the high-temperature condensation pipe, an inclined tower plate is arranged between the low-temperature condensation pipe and the high-temperature condensation pipe, and a liquid stabilizer is arranged below the high-temperature condensation pipe.
The inclined column plate is provided with inclined column plate air holes and inclined column plate diversion trenches, the inclined column plate air holes are beneficial to gas to pass through, and the inclined column plate diversion trenches are beneficial to condensed liquid to flow down along the plate.
And a high-pressure spray head is arranged between the low-temperature condensation pipe and the inclined tower plate, and liquid passing through the high-pressure spray head flows out in a linear column shape and is used for recondensing gas.
An air inlet is arranged between the high-temperature condensation pipe and the liquid stabilizer and used for the gas to enter.
A liquid phase circulation discharge port is arranged below the vertical wall of the separation tower and is connected with a high-pressure spray head through a circulating pump, and a circulating pump inlet valve is arranged between the liquid phase circulation discharge port and the circulating pump.
And a gas discharge hole is formed in the center of the top of the separation tower and connected with a heat exchanger, and the temperature of the condensed water of the reaction kettle is raised through the residual temperature of the gas.
And a liquid level meter is arranged below the vertical wall of the separation tower and is positioned on the opposite side of the liquid phase circulating discharge port.
And an observation hole is arranged below the separation tower.
The center of the lower part of the separation tower is provided with a liquid phase discharge port, a liquid phase discharge port valve is connected with the lower part of the liquid phase discharge port, and the condensed liquid flows back to the reaction kettle through the liquid phase discharge port.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt tertiary amine knockout tower stabilize reflux unit, through the multistage condensation of knockout tower, not only can reduce organic gas's discharge, can stabilize backward flow to reation kettle reuse with condensation gained liquid phase moreover, reduced manufacturing cost, improved production efficiency, be favorable to industrial production.
Drawings
FIG. 1 is a schematic structural view of a stable reflux unit of a tertiary amine separation tower according to the present invention;
FIG. 2 is a schematic structural view of an inclined tray of the present invention;
in the figure: 1. a separation column; 2. a low temperature condenser tube; 3. a high temperature condenser tube; 4. a high pressure spray head; 5. inclining the tower plate; 6. an air inlet; 7. a circulation pump; 8. a circulating pump inlet valve; 9. a liquid stabilizer; 10. a liquid level meter; 11. an observation hole; 12. a liquid phase discharge port; 13. a liquid phase discharge port valve; 14. a gas outlet; 15. a heat exchanger; 16. inclining a tower plate air hole; 17. a flow guide groove of the inclined tower plate; 18. and (4) discharging a liquid phase circulation material outlet.
Detailed Description
In order to make the objects and technical solutions of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1
As shown in figure 1, the stable reflux device of the tertiary amine separation tower comprises a separation tower 1, wherein a low-temperature condensation pipe 2 and a high-temperature condensation pipe 3 are arranged in a cavity of the separation tower 1, the low-temperature condensation pipe 2 is positioned above the high-temperature condensation pipe 3, an inclined tower plate 5 is arranged between the low-temperature condensation pipe 2 and the high-temperature condensation pipe 3, and a liquid stabilizer 9 is arranged below the high-temperature condensation pipe 3. A high-pressure spray nozzle 4 is arranged between the low-temperature condensation pipe 2 and the inclined tower plate 5, and liquid passing through the high-pressure spray nozzle 4 flows out in a linear column shape and is used for re-condensing gas. An air inlet 6 is arranged between the high-temperature condensation pipe 3 and the liquid stabilizer 9 and used for the gas to enter. A liquid phase circulation discharge port 18 is arranged below the vertical wall of the separation tower 1, the liquid phase circulation discharge port 18 is connected with the high-pressure spray head 4 through a circulation pump 7, and a circulation pump inlet valve 8 is arranged between the liquid phase circulation discharge port 18 and the circulation pump 7. A gas outlet 14 is arranged at the center of the top of the separation tower 1, the gas outlet 14 is connected with a heat exchanger 15, and the temperature of the condensed water in the reaction kettle is raised through the residual temperature of the gas. A liquid level meter 10 is arranged below the vertical wall of the separation tower 1, the liquid level meter 10 is positioned at the opposite side of the liquid phase circulating discharge port 18, and the liquid level meter 10 is used for monitoring the liquid level in the separation tower 1. An observation hole 11 is provided below the separation column 1 for observing the inside of the separation column 1. A liquid phase discharge port 12 is arranged at the center below the separation tower 1, a liquid phase discharge port valve 13 is connected below the liquid phase discharge port 12, and condensed liquid flows back to the reaction kettle through the liquid phase discharge port 12.
As shown in FIG. 2, the inclined tower plate 5 is provided with inclined tower plate air holes 16 and inclined tower plate guiding grooves 17, the inclined tower plate air holes 16 are beneficial to the passing of gas, and the inclined tower plate guiding grooves 17 are beneficial to the liquid after condensation to flow down along the plate.
The stable reflux device of the tertiary amine separation tower comprises the following steps in work:
(1) Organic gas enters the separation tower 1 through the gas inlet 6 and is condensed through the high-temperature condenser pipe 3 and the low-temperature condenser pipe 2 in sequence, so that the condensing efficiency can be improved, the condensation is more stable, and the gas-liquid phase separation is more thorough; (2) After a part of liquid is condensed below the separation tower, an inlet valve 8 of a circulating pump is opened, a circulating pump 7 is started, and the liquid is used for condensing the organic gas in the separation tower 1 again through a high-pressure spray head 4; (3) Uncondensed gas enters the heat exchanger 15 through the gas discharge port 14, the condensed water of the reaction kettle is heated through the residual temperature of the gas, after the liquid level is over the observation hole 11, the circulating pump 7 and the circulating pump inlet valve 8 are closed, the liquid phase discharge port valve 13 is opened, and the condensed liquid flows back to the reaction kettle.
Claims (9)
1. The utility model provides a reflux unit is stabilized to tertiary amine knockout tower which characterized in that, includes knockout tower (1), knockout tower (1) cavity is inside to be equipped with low temperature condenser pipe (2), high temperature condenser pipe (3), and low temperature condenser pipe (2) are located the top of high temperature condenser pipe (3), are equipped with between low temperature condenser pipe (2) and high temperature condenser pipe (3) slope column plate (5), and the below of high temperature condenser pipe (3) is equipped with steady liquid ware (9).
2. The stabilized reflux apparatus for tertiary amine separation column as claimed in claim 1, wherein said inclined tray (5) is provided with inclined tray air holes (16) and inclined tray draft grooves (17).
3. The stable reflux device of tertiary amine separation tower as claimed in claim 1 or 2, characterized in that a high-pressure spray head (4) is arranged between the low-temperature condensation pipe (2) and the inclined tower plate (5).
4. The stable reflux device for tertiary amine separation tower as claimed in claim 1, wherein an air inlet (6) is provided between the high temperature condensation pipe (3) and the liquid stabilizer (9).
5. The stable reflux device for the tertiary amine separation tower as claimed in claim 3, wherein a liquid phase circulation discharge port (18) is arranged below the vertical wall of the separation tower (1), the liquid phase circulation discharge port (18) is connected with the high-pressure spray head (4) through a circulation pump (7), and a circulation pump inlet valve (8) is arranged between the liquid phase circulation discharge port (18) and the circulation pump (7).
6. The stable reflux device for tertiary amine separation column as claimed in claim 1, wherein said separation column (1) is provided with a gas outlet (14) at the top center, and said gas outlet (14) is connected with a heat exchanger (15).
7. The stabilized reflux apparatus for tertiary amine separation column as claimed in claim 5, wherein a liquid level meter (10) is arranged below the vertical wall of the separation column (1), and the liquid level meter (10) is positioned at the opposite side of the discharge port (18) of the liquid phase circulation.
8. The stabilized reflux apparatus for tertiary amine separation column as claimed in claim 1, wherein said separation column (1) is provided with a viewing hole (11) at its lower part.
9. The stable reflux device for tertiary amine separation tower as in claim 1, wherein a liquid phase outlet (12) is arranged at the center of the lower part of the separation tower (1), and a liquid phase outlet valve (13) is connected to the lower part of the liquid phase outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363249.1U CN217854636U (en) | 2022-09-06 | 2022-09-06 | Stable reflux device of tertiary amine separation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363249.1U CN217854636U (en) | 2022-09-06 | 2022-09-06 | Stable reflux device of tertiary amine separation tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217854636U true CN217854636U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222363249.1U Active CN217854636U (en) | 2022-09-06 | 2022-09-06 | Stable reflux device of tertiary amine separation tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217854636U (en) |
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2022
- 2022-09-06 CN CN202222363249.1U patent/CN217854636U/en active Active
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