CN217091887U - Device for carrying out safe inactivation treatment on triethyl aluminum-containing waste liquid - Google Patents
Device for carrying out safe inactivation treatment on triethyl aluminum-containing waste liquid Download PDFInfo
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- CN217091887U CN217091887U CN202122855438.6U CN202122855438U CN217091887U CN 217091887 U CN217091887 U CN 217091887U CN 202122855438 U CN202122855438 U CN 202122855438U CN 217091887 U CN217091887 U CN 217091887U
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Abstract
The utility model belongs to the technical field of the chemical industry, a device that carries out safe inactivation treatment to containing triethyl aluminum waste liquid is related to, including the waste liquid jar, the waste liquid jar connects inactivation reation kettle via flow control device, and this inactivation reation kettle connects the inert gas entry, and water recovery unit post-recycle is connected to inactivation reation kettle's bottom is to in the inactivation reation kettle, and inactivation reation kettle's middle part connection solvent recovery unit. The method is specially used in the production process of the triethyl aluminum, can inactivate the waste liquid containing the triethyl aluminum without burning, improves the production efficiency, and is environment-friendly and safe to treat the waste liquid.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry, a triethyl aluminum waste liquid treatment device is related to, especially, relate to a device that carries out safe inactivation processing to containing triethyl aluminum waste liquid.
Background
Triethyl aluminum (TEAL) is colorless liquid with active property, and is easy to react with oxygen or water to quickly release heat to generate smoke and even spontaneous combustion. Therefore, in cleaning the triethyl aluminum can tank or the production plant, it is necessary to dilute it sufficiently, usually to less than 15 wt%, with a large amount of solvent or oil, such as hexane, to ensure safe operation. At lower concentrations, the probability of spontaneous combustion of triethylaluminium on contact with air is reduced, but the resulting waste streams are not effectively treated.
At present, the waste liquid treatment is mostly carried out by adopting an incineration mode, but the incineration treatment has low treatment efficiency, is easy to generate atmospheric pollution, does not meet the policy requirements of carbon neutralization and carbon peak reaching, can not recycle the solvent and oil involved in the cleaning process, and increases the production cost.
For example, in patent application publication No. CN102961844A, a white oil-containing triethyl aluminum waste liquid is slowly dropped into water to react, and the dropping speed (3L/min) is controlled, but because triethyl aluminum reacts with water too quickly, the problem of safe production caused by rapid heat release cannot be avoided.
Therefore, it is necessary to develop a device for safely inactivating the triethyl aluminum-containing waste liquid, and simultaneously realize the recycling of the contained solvent or oil, improve the production efficiency and reduce the production cost.
Disclosure of Invention
The purpose of the application is to solve the problems and provide a device for safely inactivating the triethyl aluminum-containing waste liquid;
in order to achieve the above purpose, the utility model adopts the following technical proposal:
the application creatively provides a device to containing triethyl aluminium waste liquid and carry out safe inactivation treatment, including the waste liquid jar, the waste liquid jar connects inactivation reation kettle via flow control device, and this inactivation reation kettle connects the inert gas entry, and the water recovery unit is connected to inactivation reation kettle's bottom and the cycle is back to in the inactivation reation kettle behind, and inactivation reation kettle's middle part connects solvent recovery unit.
In the above apparatus for safely inactivating waste liquid containing triethyl aluminum, the inactivation reaction kettle has a cold oil circulation jacket.
In the above device for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the inactivation reaction kettle is further connected with a tail gas recovery device.
In the device for safely inactivating the triethyl aluminum-containing waste liquid, the water recovery device is connected with the water return inlet of the inactivation reaction kettle through the circulating channel and the inhibitor feeding device.
In the device for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the waste liquid tank is connected with the inactivation reaction kettle through the liquid inlet pipe, the flow control device is arranged on the liquid inlet pipe, and one end of the liquid inlet pipe, which is close to the waste liquid tank, is connected with the inert gas inlet.
In the above device for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the tail gas recovery device is provided with activated carbon.
In the device for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the inactivation reaction kettle is connected with the solvent recovery device through a half insertion pipe.
In the above device for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the inactivation reaction kettle is provided with an oil-water level meter, and the bottom end of the oil-water level meter is positioned below the half insertion pipe.
In the device for safely inactivating the triethyl aluminum-containing waste liquid, the inactivation reaction kettle is connected with a water recovery device through a recovery channel, and the water recovery device comprises an aluminum and aluminum oxide filter and a recovery tank which are arranged along the conveying direction of the recovery channel.
In the above apparatus for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, the flow control apparatus comprises a flow meter and a flow control valve.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses in being used for triethyl aluminum's production technology specially, can carry out inactivation treatment to the waste liquid that contains triethyl aluminum under the condition that does not burn, improve production efficiency, environmental protection, safety processing waste liquid.
The utility model discloses the processing waste liquid speed has improved 20% efficiency than traditional incineration method, does not have other exhaust emission, accords with the requirement of clean production.
Meanwhile, the recovered solvent oil and water are recycled, so that the production cost is reduced.
Drawings
FIG. 1 is a process flow diagram for safely deactivating a triethyl aluminum-containing waste liquid provided by the present application.
Fig. 2 is a partial structural schematic diagram provided in the present application.
In the figure, a waste liquid tank 1, a flow control device 2, an inactivation reaction kettle 3, an inert gas inlet 4, a water recovery device 5, an aluminum and aluminum oxide filter 5a, a recovery tank 5b, a solvent recovery device 6, a cold oil circulation jacket 7, a tail gas recovery device 8, a circulation channel 9, an inhibitor feeding device 10, a liquid inlet pipe 11, activated carbon 12, a half cannula 13, an oil-water level meter 14, a recovery channel 15, a solvent channel 16, a half cannula joint 17 and a fastener 18.
Detailed Description
Further illustrated by the following specific examples;
in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited by the specific embodiments disclosed below.
As shown in figure 1, the process flow diagram for safely inactivating the triethyl aluminum-containing waste liquid is shown, wherein the device for safely inactivating the triethyl aluminum-containing waste liquid comprises a waste liquid tank 1, an inactivation reaction kettle 3, a water recovery device 5, a solvent recovery device 6 and a tail gas recovery device 8.
The waste liquid tank 1 is connected with an inactivation reaction kettle 3 through a flow control device 2, the inactivation reaction kettle 3 is connected with an inert gas inlet 4, the bottom of the inactivation reaction kettle 3 is connected with a water recovery device 5 and then recycled into the inactivation reaction kettle 3, and the middle part of the inactivation reaction kettle 3 is connected with a solvent recovery device 6.
Adopt this set of device can carry out inactivation treatment to the waste liquid that contains triethyl aluminium under the condition that does not burn, improve production efficiency, environmental protection, safe processing waste liquid, the water in the waste liquid recycles, has reduced manufacturing cost.
The upstream end of the waste liquid tank 1 is connected with a triethyl aluminum production device and used for collecting cleaning waste liquid in a cleaning tank or the production device, and the waste liquid tank 1 is provided with a stirrer for stirring the waste liquid.
The waste liquid tank 1 is connected with the inactivation reaction kettle 3 through a liquid inlet pipe 11, one end of the liquid inlet pipe 11, which is close to the waste liquid tank 1, is connected with an inert gas inlet 4 for introducing inert gas, and a plurality of emptying ports are arranged on the inactivation reaction kettle 3 for discharging air, so that the air in the whole liquid inlet pipe 11 and the inactivation reaction kettle 3 can be discharged, and the triethyl aluminum is prevented from contacting with the air. The inert gas is preferably nitrogen.
Be provided with flowmeter and flow control valve on the feed liquor pipe 11, flowmeter and flow control valve signal connection constitute flow control device 2 jointly, control waste liquid slowly dropwise add to deactivation reation kettle 3 in.
The deactivation reaction kettle 3 is externally provided with a cold oil circulation jacket 7, and two ends of the cold oil circulation jacket 7 are respectively provided with a cold oil inlet and a cold oil outlet which are connected with a cold oil circulation pump (not shown in the figure). A stirrer is arranged in the inactivation reaction kettle 3 to fully mix the substances and dissipate heat.
An exhaust insertion pipe is arranged above the liquid level in the inactivation reaction kettle 3 and connected with a tail gas recovery device 8, and the tail gas recovery device 8 is internally provided with active carbon 12 which can adsorb ethane in the tail gas.
The inactivation reaction kettle 3 is internally provided with a solvent channel connected through a half insertion pipe 13, the solvent channel 16 is connected to the solvent recovery device 6, and the solvent collected in the solvent recovery device 6 is used for recycling a cleaning tank or a production device.
The bottom of the inactivation reaction kettle 3 is connected with a water recovery device 5 through a recovery channel 15.
The inactivation reaction kettle 3 is provided with an oil-water liquid level meter 14, and the bottom end of the oil-water liquid level meter 14 is positioned below the half insertion pipe 13.
The oil-water level meter is also called an oil-water interface meter, and is a commercially available product, and can output an oil-water interface position signal, and the specific structure thereof is not described herein.
The upstream end of the recovery passage 15 is provided with a water control valve. The upstream end of the solvent passage 16 is provided with a solvent control valve. The water control valve and the solvent control valve are respectively in signal connection with the oil-water liquid level meter 14 so as to ensure that an oil-water interface is always lower than the end part of the half insertion pipe 13.
In one embodiment, the water recovery device 5 comprises an aluminum and aluminum oxide filter 5a and a recovery tank 5b arranged along the conveying direction, and the filter element of the aluminum and aluminum oxide filter 5a is a PP filter element.
The water recovery device 5 is connected with a backwater inlet of the inactivation reaction kettle 3 through a circulating channel 9, and the circulating channel 9 is also connected with an inhibitor feeding device 10 for mixing an inhibitor with the backwater in the circulating channel 9 to form an inhibitor aqueous solution which enters the inactivation reaction kettle 3 to inhibit the reaction speed.
The device is used for carrying out safe inactivation treatment on the triethyl aluminum-containing waste liquid, and the specific method comprises the following steps:
and (3) introducing nitrogen to replace air in the inactivation reaction kettle 3, and adding an inhibitor aqueous solution for stirring.
Subsequently, the hexane waste liquid containing triethyl aluminum in the waste liquid tank 1 is added dropwise into the inactivation reaction kettle 3 through the flow control device 2 while stirring, and simultaneously a cold oil circulating pump is started to perform cold oil circulation in a cold oil circulating jacket 7, thereby reducing the heat generated by the reaction.
Ethane generated in the reaction is collected as fuel by a tail gas recovery device 8 or is treated by activated carbon adsorption.
Stirring is continued until the reaction is finished, then the stirring is stopped, and the mixture is kept stand for 2 hours.
And (3) separating the hexane and the water after standing, wherein the hexane is at the upper layer, the water is at the lower layer, acquiring an oil-water interface signal through an oil-water liquid level meter 14 to determine an oil-water interface, and adjusting the insertion depth of the half insertion pipe through a half insertion pipe joint 17 and a fastening piece 18 which are arranged on the inactivation reaction kettle 3 to enable the bottom end of the half insertion pipe to be positioned above the oil-water interface, so that the hexane at the upper layer is firstly discharged, and then the water at the lower layer is discharged.
As shown in fig. 2, the inner wall of the half insertion pipe joint 17 is provided with internal threads, the outer wall of the fastening piece 18 is provided with external threads, the inner diameter of the fastening piece 18 is smaller than the inner diameter of the half insertion pipe joint 17, and the fastening piece 18 is in threaded connection with the half insertion pipe joint 17 to fix the half insertion pipe, so that the insertion depth of the half insertion pipe is adjusted.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms waste liquid tank, flow control device, deactivation reactor, inert gas inlet, water recovery device, aluminum and aluminum oxide filter, recovery tank, solvent recovery device, cold oil circulation jacket, tail gas recovery device, circulation channel, inhibitor feeding device, liquid inlet pipe, activated carbon, semi-cannula, oil-water level meter, recovery channel, solvent channel, etc. are used more herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a device to containing triethyl aluminium waste liquid and carry out safe inactivation processing which characterized in that: the device comprises a waste liquid tank (1), wherein the waste liquid tank (1) is connected with an inactivation reaction kettle (3) through a flow control device (2), the inactivation reaction kettle (3) is connected with an inert gas inlet (4), the bottom of the inactivation reaction kettle (3) is connected with a water recovery device (5) and then recycled into the inactivation reaction kettle (3), and the middle part of the inactivation reaction kettle (3) is connected with a solvent recovery device (6).
2. The apparatus according to claim 1, wherein the apparatus comprises: the inactivation reaction kettle (3) is provided with a cold oil circulation jacket (7).
3. The apparatus according to claim 1, wherein the apparatus comprises: the inactivation reaction kettle (3) is also connected with a tail gas recovery device (8).
4. The apparatus according to claim 1, wherein the apparatus comprises: the water recovery device (5) is connected with the water return inlet of the inactivation reaction kettle (3) together with the inhibitor feeding device (10) through the circulating channel (9).
5. The apparatus according to claim 1, wherein the apparatus comprises: waste liquid jar (1) is connected inactivation reation kettle (3) through feed liquor pipe (11), flow control device (2) set up on feed liquor pipe (11), and feed liquor pipe (11) are close to waste liquid jar (1) one end and are connected inert gas entry (4).
6. The apparatus according to claim 3, wherein the apparatus comprises: and the tail gas recovery device (8) is internally provided with activated carbon (12).
7. The apparatus according to claim 1, wherein the apparatus comprises: the inactivation reaction kettle (3) is connected with a solvent recovery device (6) through a half insertion pipe (13).
8. The apparatus according to claim 7, wherein the apparatus comprises: and the inactivation reaction kettle (3) is provided with an oil-water liquid level meter (14), and the bottom end of the oil-water liquid level meter (14) is positioned below the half insertion pipe (13).
9. The apparatus according to claim 1, wherein the apparatus comprises: the inactivation reaction kettle (3) is connected with a water recovery device (5) through a recovery channel (15), and the water recovery device (5) comprises an aluminum and aluminum oxide filter (5a) and a recovery tank (5b) which are arranged along the conveying direction of the recovery channel (15).
10. The apparatus according to claim 1, wherein the apparatus comprises: the flow control device (2) comprises a flow meter and a flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855438.6U CN217091887U (en) | 2021-11-19 | 2021-11-19 | Device for carrying out safe inactivation treatment on triethyl aluminum-containing waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855438.6U CN217091887U (en) | 2021-11-19 | 2021-11-19 | Device for carrying out safe inactivation treatment on triethyl aluminum-containing waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217091887U true CN217091887U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122855438.6U Active CN217091887U (en) | 2021-11-19 | 2021-11-19 | Device for carrying out safe inactivation treatment on triethyl aluminum-containing waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217091887U (en) |
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2021
- 2021-11-19 CN CN202122855438.6U patent/CN217091887U/en active Active
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