CN216224312U - Novel phenate decomposition process device - Google Patents
Novel phenate decomposition process device Download PDFInfo
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- CN216224312U CN216224312U CN202122766518.4U CN202122766518U CN216224312U CN 216224312 U CN216224312 U CN 216224312U CN 202122766518 U CN202122766518 U CN 202122766518U CN 216224312 U CN216224312 U CN 216224312U
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Abstract
The utility model discloses a novel phenate decomposition process device which comprises a sulfuric acid high-level tank and a separator, wherein an outlet of the sulfuric acid high-level tank is connected with the separator through a material conveying pipeline, a circulating pipeline is arranged at the bottom of the separator, an outlet of the circulating pipeline extends into the separator, and a pressure pump is arranged on the circulating pipeline. The reaction solution in the separator is discharged from the bottom, pressurized by the pressure pump and returned to the separator from the top to form a closed circulation system, and the continuous circulation of the reaction solution promotes the full contact reaction of sulfuric acid and sodium phenolate, so that the efficiency and effect of the reaction process are improved, and the waste gas amount is reduced because air bubbling is not needed.
Description
Technical Field
The utility model belongs to the technical field of coal tar deep processing, and particularly relates to a novel phenate decomposition process device.
Background
1. The present sodium phenolate decomposition salt process status
In the reaction process of decomposing the pure sodium phenolate by using the sulfuric acid, the pure sodium phenolate raw material in the decomposer is added with the sulfuric acid with the concentration content of 93 percent, and the material is stirred by using compressed air until the reaction is finished and then the material is discharged.
1) The decomposer for decomposing the pure sodium phenolate by the sulfuric acid is in a normal-pressure open diffusion mode, compressed air is utilized for bubbling and stirring, a large amount of white smoke (air, water vapor and VOC mixed gas) is discharged in the decomposition reaction process, and the field environment pollution is serious;
2) the addition point of sulfuric acid (with the concentration content of 93%) is in a surface dropwise adding mode, the mixing is not uniform, the sulfonation and polymerization reactions are violent in the decomposition process of sodium phenolate, and the technical quality requirements of the phenol content and the distillate content of a crude phenol product are directly influenced;
3) the amount of sulfuric acid is not metered and controlled, the operation is completely based on experience, the reaction temperature, time and speed are difficult to control, equipment is easy to overflow, and the operation safety is influenced.
Disclosure of Invention
The utility model aims to provide a novel phenolate decomposition process device, which can effectively improve the efficiency and effect of a reaction process and reduce the amount of waste gas.
In order to achieve the purpose, the utility model adopts the technical scheme that: a novel phenate decomposition process device comprises a sulfuric acid high-level tank and a separator, wherein an outlet of the sulfuric acid high-level tank is connected with the separator through a conveying pipeline, a circulating pipeline is arranged at the bottom of the separator, an outlet of the circulating pipeline extends into the separator, and a pressure pump is arranged on the circulating pipeline.
Further, a flow meter is arranged at the outlet of the sulfuric acid high-level tank.
Further, the top of the separator is hermetically arranged.
Further, a flue gas collecting pipe is installed at the top of the separator, the flue gas collecting pipe is communicated with a water-sealed breathing groove, and the water-sealed breathing groove is connected with a VOC treatment system.
Furthermore, an upper circulating pipeline branch between the pressure pump and the outlet of the circulating pipeline is provided with a discharge pipeline, a first valve is arranged on the discharge pipeline, and a second valve is arranged on the circulating pipeline between the discharge pipeline and the outlet of the circulating pipeline.
Compared with the prior art, the utility model has the following beneficial effects: 1. the speed, time and process of the whole decomposition reaction are controlled by metering and adjusting the adding amount of the sulfuric acid and controlling the temperature of the reaction. 2. The reaction solution in the separator comes out from the bottom, is pressurized by the pressurizing pump and then returns to the separator from the top to form a closed circulation system, and the continuous circulation of the reaction solution promotes the full contact reaction of the sulfuric acid and the sodium phenolate, so that the efficiency and the effect of the reaction process are improved, and the waste gas amount is reduced because air bubbling is not needed. 3. Because the reaction temperature is controlled and the air bubbling is cancelled, the waste gas amount in the reaction process is greatly reduced, and a small amount of waste gas can directly enter the existing VOC waste gas treatment system for environment-friendly treatment. Open reaction of decomposer now changes closed reaction into, through at the installation flue gas collecting pipe in decomposer top, the waste gas among the reaction process breathes the groove through the water seal earlier, and through adjusting pressure-fired environment (3Kpa) in the high control decomposer equipment of water seal, the remaining a small amount of waste gas inserts former VOC treatment system and carries out environmental protection and handles after the water seal groove is adjusted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a sulfuric acid high-level tank, 2 parts of a separator, 3 parts of a material conveying pipeline, 4 parts of a circulating pipeline, 5 parts of a pressure pump, 6 parts of a flow meter, 7 parts of a flue gas collecting pipe, 8 parts of a water seal breathing tank, 9 parts of a VOC treatment system, 10 parts of a discharge pipeline, 11 parts of a first valve and 12 parts of a second valve.
Detailed Description
Referring to fig. 1, a novel phenate decomposition process device comprises a sulfuric acid high-level tank 1 and a separator 2, wherein an outlet of the sulfuric acid high-level tank 1 is connected with the separator 2 through a conveying pipeline 3, a circulating pipeline 4 is arranged at the bottom of the separator 2, an outlet of the circulating pipeline 4 extends into the separator 2, and a pressure pump 5 is arranged on the circulating pipeline 4. The reaction solution in the separator 2 is pressurized by the pressurizing pump 5 from the bottom and then returns to the separator 2 from the top to form a closed circulation system, and the continuous circulation of the reaction solution promotes the full contact reaction of the sulfuric acid and the sodium phenolate, so that the efficiency and the effect of the reaction process are improved, and the waste gas amount is greatly reduced because air bubbling is not needed.
Wherein, the outlet of the sulfuric acid high-level tank 1 is provided with a flowmeter 6. The flow meter 6 can accurately measure and control the adding amount of the sulfuric acid, and the speed, time and process of the whole decomposition reaction are controlled by measuring and adjusting the adding amount of the sulfuric acid and controlling the reaction temperature.
Wherein, the top of the separator 2 is sealed.
Wherein, flue gas collecting pipe 7 is installed at separator 2 top, and flue gas collecting pipe 7 and water seal breathing trough 8 intercommunication, water seal breathing trough 8 connect VOC treatment system 9. Because the reaction temperature is controlled and the air bubbling is cancelled, the waste gas amount in the reaction process is greatly reduced, and a small amount of waste gas can directly enter the existing VOC waste gas treatment system for environment-friendly treatment. Open reaction of decomposer now changes closed reaction into, through at the installation flue gas collecting pipe 7 in decomposer top, waste gas among the reaction process is earlier through water seal breathing groove 8, through adjusting little positive pressure environment (3Kpa) in the high control decomposer equipment of water seal, and remaining a small amount of waste gas inserts former VOC treatment system 9 and carries out environmental protection after the water seal groove is adjusted.
Wherein, the branch of the upper circulating pipeline 4 between the pressure pump 5 and the outlet of the circulating pipeline 4 is provided with a discharging pipeline 10, the discharging pipeline 10 is provided with a first valve 11, and the circulating pipeline 4 between the discharging pipeline 10 and the outlet of the circulating pipeline 4 is provided with a second valve 12. In use, circulation and separation are arranged together due to the discharge at the bottom of the separator 2, and the circulation and discharge modes are switched on and off through two valves.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A novel phenate decomposition process device is characterized in that: the device comprises a sulfuric acid high-level tank and a separator, wherein an outlet of the sulfuric acid high-level tank is connected with the separator through a material conveying pipeline, a circulating pipeline is arranged at the bottom of the separator, an outlet of the circulating pipeline extends into the separator, and a pressure pump is arranged on the circulating pipeline.
2. The novel phenolate decomposition process unit as claimed in claim 1, wherein: the outlet of the sulfuric acid high-level tank is provided with a flowmeter.
3. The novel phenolate decomposition process unit as claimed in claim 1, wherein: the top of the separator is sealed.
4. The novel phenolate decomposition process unit as claimed in claim 3, wherein: the top of the separator is provided with a flue gas collecting pipe which is communicated with a water-sealed breathing groove, and the water-sealed breathing groove is connected with a VOC treatment system.
5. The novel phenolate decomposition process unit as claimed in claim 1, wherein: the upper circulating pipeline branch between the pressure pump and the circulating pipeline outlet is provided with a discharge pipeline, the discharge pipeline is provided with a first valve, and the circulating pipeline between the discharge pipeline and the circulating pipeline outlet is provided with a second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766518.4U CN216224312U (en) | 2021-11-10 | 2021-11-10 | Novel phenate decomposition process device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766518.4U CN216224312U (en) | 2021-11-10 | 2021-11-10 | Novel phenate decomposition process device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216224312U true CN216224312U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122766518.4U Active CN216224312U (en) | 2021-11-10 | 2021-11-10 | Novel phenate decomposition process device |
Country Status (1)
| Country | Link |
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| CN (1) | CN216224312U (en) |
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2021
- 2021-11-10 CN CN202122766518.4U patent/CN216224312U/en active Active
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