CN217663229U - Isophthalonitrile purification production system - Google Patents
Isophthalonitrile purification production system Download PDFInfo
- Publication number
- CN217663229U CN217663229U CN202220984934.3U CN202220984934U CN217663229U CN 217663229 U CN217663229 U CN 217663229U CN 202220984934 U CN202220984934 U CN 202220984934U CN 217663229 U CN217663229 U CN 217663229U
- Authority
- CN
- China
- Prior art keywords
- steam
- water
- fluidized bed
- production system
- isophthalonitrile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to an m-phthalonitrile purification production system, the fluidized bed bottom connects ammonia pipeline and meta-xylene pipeline, the air pipeline, the external steam package of fluidized bed jacket, fluidized bed upper portion ejection of compact pipe connects and send steam cooler behind the oil cooler, steam package supplies steam to send out to high temperature steam water tank after connecing steam cooler, steam cooler connects out to the water-cooling trap, water-cooling trap upper portion connects the water seal bucket, water seal bucket sub-unit connects the pressure filter, the distiller is sent through transfer screw and valve to the ejection of compact of water-cooling trap bottom, distiller upper portion connects the condenser, the condenser ejection of compact connects the slicer, the condenser lower part connects the ejection of compact. The production line can effectively utilize reaction heat energy, reduce production cost and improve product purity.
Description
Technical Field
The utility model relates to a chemical production line, isophthalonitrile purification production system specifically says so.
Background
Isophthalonitrile is an important organic intermediate and widely used for medicines and fuels. In the existing production process, m-xylene and ammonia gas are adopted for reaction, a large amount of heat is wasted after fluidized bed reaction discharging, energy waste is serious, production cost is high, and the purity of a final product is seriously influenced because a fluidized bed product contains particles such as a catalyst.
Disclosure of Invention
The utility model provides a can effectively utilize reaction heat energy, reduction in production cost improves the m-phthalonitrile purification production system of result purity.
The utility model adopts the technical proposal that: the utility model provides an m-phthalonitrile purification production system, includes the fluidized bed, and the fluidized bed bottom connects ammonia pipeline and meta-xylene pipeline, air pipeline, its characterized in that: the fluidized bed jacket is externally connected with a steam bag, a discharge pipe on the upper part of the fluidized bed is connected with an oil cooler and then is fed with a steam cooler, steam is supplied to the steam cooler and then is fed out to a high-temperature steam water tank, the steam cooler is connected with a water-cooled trap, the upper part of the water-cooled trap is connected with a water seal barrel, the lower part of the water seal barrel is connected with a filter press, the discharge on the bottom of the water-cooled trap is fed with a distiller through a conveying screw rod and a valve, the upper part of the distiller is connected with a condenser, the discharge of the condenser is connected with a slicer, and the lower part of the condenser is connected with the discharge.
The water-cooled trap is a thin-wall automatic scraping and collecting box.
The upper part of the water seal barrel is connected with a TO furnace.
The high-temperature steam water tank is connected with a steam cooler through a circulating fan.
The high-temperature steam water tank is connected with a heating jacket of the distiller.
The top of the fluidized bed is connected with a spray absorption tower through a pipeline with a rupture disk.
The utility model discloses a fluidized bed reaction, the explosion-proof absorption through the spray column of top explosion-proof piece, fluidized bed jacket supplies out steam and collects heat energy through the steam package, fluidized bed ejection of compact high temperature material is at first after oil cooler oil is cold, cool off through the steam cooler again, high temperature steam water pitcher is sent into TO high temperature steam water, still can beat the circulation of steam through the circulating pump and cool off the material, the material sends the water-cooling trap, exhaust TO the TO stove burning after sending the water seal bucket, it subsides and filters out the collection through the filter-press in the water seal bucket and contains the material in the waste gas, the water-cooling trap ejection of compact is through the transfer screw, the valve sends the distiller, send the water jacket by high temperature steam water pitcher, or cooperate conduction oil heating jacket TO distill, the distiller bottom is slagging tap, the top goes out the material and send the ejection of compact after carrying out the condenser condensation. The heat energy in the whole is reasonably utilized, the energy consumption and the production cost of a production line are favorably reduced, and the final purity of the product is higher through water-cooling capture, distillation and condensation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the system comprises an ammonia gas pipeline 1, a m-xylene pipeline 2, an air pipeline 3, a fluidized bed 4, a steam bag 5, a discharge pipe 6, an oil cooler 7, a steam condenser 8, a high-temperature steam water tank 9, a circulating fan 10, a water-cooled trap 11, a water-sealed barrel 12, a TO furnace 13, a filter press 14, a conveying screw 15, a valve 16, a distiller 17, a water jacket 18, a heat-conducting oil jacket 19, a slag discharge pipe 20, a condenser 21, a slicing discharge pipe 22, a rupture disk 23 and a spray absorption tower 24.
Detailed Description
The following is further described with reference to the accompanying drawings.
FIG. 1 shows: the m-phthalonitrile purification production system comprises an ammonia gas pipeline 1, a m-xylene pipeline 2, an air pipeline 3, a fluidized bed 4, a steam bag 5, a discharge pipe 6, an oil cooler 7, a steam condenser 8, a high-temperature steam water tank 9, a circulating fan 10, a water-cooled catcher 11, a water-sealed barrel 12, a TO furnace 13, a filter press 14, a conveying screw 15, a valve 16, a distiller 17, a water jacket 18, a heat-conducting oil jacket 19, a slag discharge pipe 20, a condenser 21 and a slicing discharge pipe 22.
The bottom of a fluidized bed 4 is connected with an ammonia pipeline 1, a meta-xylene pipeline 2 and an air pipeline 3, a jacket of the fluidized bed 1 is externally connected with a steam drum 5, a discharge pipe 6 at the upper part of the fluidized bed 1 is connected with an oil cooler 7 and then is sent TO a steam cooler 8, the steam drum 5 supplies steam TO be connected with the steam cooler and then is sent TO a high-temperature steam water tank 9, the high-temperature steam water tank 9 is sent TO the steam cooler 8 through a circulating fan 10 and is sent TO a water-cooled catcher 11, the upper part of the water-cooled catcher 11 is connected with a water seal barrel 12, the upper part of the water seal barrel is connected with a TO furnace 13, the lower part of the water seal barrel is connected with a filter press 14, the discharge material at the bottom of the water-cooled catcher 11 is sent TO a distiller 17 through a transmission screw 15 and a valve 16, the upper part of the distiller 17 is connected with a condenser 21, a discharge pipe 22 of discharged slices is connected with a slicer, the lower part of the condenser is connected with a slag discharge pipe 20, a water jacket 18 and a heat conduction oil jacket 19 are arranged outside the distiller 17, and the water jacket 18 is connected with the high-temperature steam water tank 9.
In this embodiment, in order to ensure the safety of the fluidized bed, a pipeline with a rupture disk 23 is connected to the upper part of the fluidized bed and sent to a spray absorption tower 24.
Claims (7)
1. Isophthalonitrile purification production system, including the fluidized bed, the fluidized bed bottom connects ammonia pipeline and meta-xylene pipeline, air pipeline, its characterized in that: the fluidized bed jacket is externally connected with a steam bag, a discharge pipe on the upper part of the fluidized bed is connected with an oil cooler and then is fed with a steam cooler, steam is supplied to the steam cooler and then is fed out to a high-temperature steam water tank, the steam cooler is connected with a water-cooled trap, the upper part of the water-cooled trap is connected with a water seal barrel, the lower part of the water seal barrel is connected with a filter press, the discharge on the bottom of the water-cooled trap is fed with a distiller through a conveying screw rod and a valve, the upper part of the distiller is connected with a condenser, the discharge of the condenser is connected with a slicer, and the lower part of the condenser is connected with the discharge.
2. The isophthalonitrile purification production system according to claim 1, wherein: the water-cooled trap is a thin-wall automatic scraping and collecting box.
3. The isophthalonitrile purification production system according to claim 1, wherein: the upper part of the water seal barrel is connected with a TO furnace.
4. The isophthalonitrile purification production system according to claim 1, wherein: the high-temperature steam water tank is connected with a steam cooler through a circulating fan.
5. The isophthalonitrile purification production system according to claim 1, wherein: the high-temperature steam water tank is connected with a heating jacket of the distiller.
6. The isophthalonitrile purification production system according to claim 1, wherein: the top of the fluidized bed is connected with a spray absorption tower through a pipeline with a rupture disk.
7. The isophthalonitrile purification production system according to claim 1, wherein: and a heat conducting oil heating jacket is also arranged outside the distiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984934.3U CN217663229U (en) | 2022-04-27 | 2022-04-27 | Isophthalonitrile purification production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984934.3U CN217663229U (en) | 2022-04-27 | 2022-04-27 | Isophthalonitrile purification production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217663229U true CN217663229U (en) | 2022-10-28 |
Family
ID=83734399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220984934.3U Active CN217663229U (en) | 2022-04-27 | 2022-04-27 | Isophthalonitrile purification production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217663229U (en) |
-
2022
- 2022-04-27 CN CN202220984934.3U patent/CN217663229U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109095531A (en) | Garbage flying ash wash water recycling treatment process and equipment | |
| CN105693467B (en) | A kind of pentaerythrite energy-saving production method | |
| CN204661623U (en) | A kind of pressurized circulating fluidized bed slag discharging device | |
| CN101445737A (en) | Internal combustion type heating rotating cone type biomass pyrolysis liquefaction device | |
| CN104650990A (en) | Slag discharging device for pressurized circulating fluidized bed | |
| CN102266677B (en) | High vacuum distillation purification device | |
| CN104949535A (en) | Slag waste heat recovery system | |
| CN217663229U (en) | Isophthalonitrile purification production system | |
| CN201455265U (en) | Combined zinc-powder production condensing device | |
| CN101659594B (en) | Production method for industrial naphthalene | |
| CN1226395C (en) | Double-section dry coal powder gasifying furnace | |
| CN101963461A (en) | Pyrite cinder heat recovery method | |
| CN1417290A (en) | Low-cost and pollution-less biomass liquefying process and equipment | |
| CN217323421U (en) | Negative pressure ammonia distillation system for low-grade energy utilization of coking plant | |
| CN216909215U (en) | Cyclohexanone alcohol ketone refining system for recovering alcohol ketone solvent | |
| CN201981164U (en) | Cracking evaporation tar sand oil sludge treatment device | |
| CN102225239A (en) | Multilevel heat-exchange distilling device for dreggy organic materials | |
| CN201340216Y (en) | Device for recovering excess heat of exhaust of tripolycyanamide reaction | |
| CN211462398U (en) | Biochar preparation system | |
| CN109280216B (en) | Intelligent environment-friendly waste plastic treatment device | |
| CN207016719U (en) | Biomass pyrolytic vapour high-efficiency condensation is collected and separator | |
| CN202105448U (en) | Multi-stage heat exchange distillation apparatus for dirty organic materials | |
| CN201695000U (en) | Sludge treatment system | |
| CN215863316U (en) | Waste heat recovery utilizes boiler steam autonomous system | |
| CN209484562U (en) | A kind of exhaust heat stepped recycling system of boiler controller system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |