CN204841602U - Device is added to catalyst in petroleum resin production technology - Google Patents
Device is added to catalyst in petroleum resin production technology Download PDFInfo
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- CN204841602U CN204841602U CN201520567334.7U CN201520567334U CN204841602U CN 204841602 U CN204841602 U CN 204841602U CN 201520567334 U CN201520567334 U CN 201520567334U CN 204841602 U CN204841602 U CN 204841602U
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Abstract
The utility model discloses a device is added to catalyst in petroleum resin production technology. The device includes catalyst storage device, catalyst preparation cauldron, catalyst stirred tank, charge pump I, flow control valve I, raw materials reation kettle, tee pipe coupling, charge pump II, extrinsic cycle condenser, four -way union, flow control valve II, washes with alkaline cauldron, reboiler, exsolution tower. Catalyst stirred tank lower extreme discharge gate pass through charge pump I, flow control valve I, tee pipe coupling, charge pump II, four -way union, then let in raw materials reation kettle middle part feed inlet by the pipeline branch pipe with the four -way union intercommunication. Among the the device, catalyst stirred tank lower extreme discharge gate and raw materials reation kettle lower extreme intercommunication has effectively reduced the height that the catalyst adds fashionable charge -in pipeline, has eliminated the hysteretic phenomenon of solid matter among the charge -in pipeline, and the catalyst granules input speed is even, greatly reduced the formation of accessory substance in the production process, practice thrift the cost, improved production efficiency.
Description
Technical field
The utility model belongs to catalyst feeding technique field in Petroleum Production technique, is specifically related to the adding apparatus of catalyst in a kind of Petropols production technology.
Background technology
The industrial main technique preparing Petropols is polymerization processes therewith at present, and the catalyst usually adopted is Friedel-Crafts catalyst, as AlCl
3, AlCl
3composite catalyst system, AlCl
3the composite AlCl of organic complex catalyst, liquid
3deng being all prepare the conventional catalyst of Petropols, the existence of these catalyst improves product quality, simplifies production technology
At present in the adition process preparing catalyst in Petropols process, feed pipe between catalyst stirred tank and reactor has larger difference in height, catalyst forms thick solid-liquid form in stirred tank, and with the block that the oily bag solid particle of part is bonded together, in feed pipe, medium is solid-liquid admixture, from below upwards flow charging time, due to Action of Gravity Field, solid matter flow velocity is delayed, causes catalyst A lCl
3particulate feed rates is uneven, and reaction is unstable, and the white slag of output is more, and often makes line clogging, affects output.
Summary of the invention
For above technical problem, the utility model provides the adding apparatus of catalyst in a kind of Petropols production technology, this device effectively reduces the feed pipe difference in height between catalyst stirred tank and raw material reaction still, almost there is no the generation of line clogging phenomenon, improve production efficiency, improve product quality.
the utility model is achieved through the following technical solutions:
Catalyst-adding device in a kind of Petropols production technology, comprises catalyst storage device, catalyst preparation still, catalyst stirred tank, feed pump I, flow control valve I, raw material reaction still, tee pipe coupling, feed pump II, outer circulation condenser, four-way union, flow control valve II, alkali cleaning still, reboiler, precipitation tower, extraction pump, described catalyst storage device lower end discharging opening configures still upper end charging aperture with catalyst and is communicated with feed pipe, catalyst preparation still lower end discharging opening is communicated with catalyst stirred tank upper end charging aperture by feed pipe, and catalyst stirred tank lower end discharging opening passes through feed pipe, feed pump I, flow control valve I leads to three-way pipeline joint and is communicated with feed pipe A, then through feed pump II, outer circulation condenser, lead to four-way union by feed pipe A, four-way union respectively with pipeline branch pipe B, pipeline branch pipe C, pipeline branch pipe D is communicated with, and described pipeline branch pipe B is communicated with charging aperture in the middle part of raw material reaction still, described pipeline branch pipe C is communicated with another charging aperture of catalyst preparation still upper end by valve, described pipeline branch pipe D is communicated with alkali cleaning still lower end charging aperture by flow control valve II, and alkali cleaning still upper end discharging opening is communicated with charging aperture in the middle part of precipitation tower by feed pipe, and precipitation tower lower end discharging opening is communicated with extraction pump by feed pipe, raw material reaction still lower end discharging opening leads to tee pipe coupling by feed pipe and is communicated with feed pipe A, also be provided with another one material inlet in the middle part of described raw material reaction still, described alkali cleaning still upper end is also provided with alkali lye charging aperture.
Catalyst-adding device in described Petropols production technology, described catalyst storage device lower end discharging opening is also communicated with gas access by an other feed pipe.
Catalyst-adding device in described Petropols production technology, described gas is nitrogen.
Catalyst-adding device in described Petropols production technology, described feed pipe A is metal hose.
Catalyst-adding device in described Petropols production technology, described catalyst stirred tank lower end discharging opening and another charging aperture of catalyst stirred tank upper end to be connected composition closed circuit by outer circulation feed pipe and feed pump I.
Catalyst-adding device in described Petropols production technology, described outer circulation condenser, in order to take away the heat that in raw material reaction still, raw material discharges in course of reaction, ensures carrying out smoothly of reaction.
Catalyst-adding device in a kind of Petropols production technology, its operation principle is: the solid catalyst in catalyst storage device under nitrogen effect via catalyst storage device lower end discharging opening, feed pipe, catalyst configuration still upper end charging aperture enters in catalyst preparation still, after mixing with the solution in catalyst preparation still, discharged by catalyst preparation still lower end discharging opening, pass through feed pipe, catalyst stirred tank upper end charging aperture enters catalyst stirred tank, through feed pipe after the catalyst prepared stirs in stirred tank, feed pump I, flow control valve I leads to tee pipe coupling, then feed pipe A is entered, reaction mass in simultaneous reactions still leads to tee pipe coupling by lower end discharging opening by feed pipe, also converge and enter feed pipe A, in feed pipe A, mixed material is through feed pump II, outer circulation condenser leads to four-way union, part mixed material enters pipeline branch pipe B and is entered in raw material reaction still by charging aperture in the middle part of raw material reaction still and circulate, part material enters pipeline branch pipe C and is entered in catalyst preparation still by another charging aperture of catalyst preparation still upper end and mix with the solid catalyst entered, part mixed material enters pipeline branch pipe D and enters in alkali cleaning still through flow control valve II from alkali cleaning still lower end charging aperture, NaOH solution is added alkali cleaning still from alkali cleaning still upper end alkali lye charging aperture simultaneously and wash, product after alkali liquid washing is discharged from alkali cleaning still upper end discharging opening, enter precipitation tower through feed pipe from charging aperture in the middle part of precipitation tower, buck after cleaning product is exported by caustic wash tower lower end buck and discharges under Valve controlling, recycle.Product after soda lye wash isolates product under precipitation tower and reboiler acting in conjunction, isolates product and is discharged by extraction pump by precipitation tower lower end discharging opening, and the solvent naphtha obtained is discharged by the discharging opening of precipitation tower upper end.
the utility model has following positive beneficial effect:
(1) in the utility model device, catalyst preparation still lower end discharging opening is connected by feed pipe with raw material reaction still lower end charging aperture, effectively reduce the difference in height of feed pipe between catalyst stirred tank and raw material reaction still, eliminate the phenomenon that solid matter in feed pipe is delayed, catalyst granules charging rate is even, and the accessory substance produced in production process is that prior art produces about 20% of accessory substance, has saved cost, improve production efficiency, create considerable economic benefit.
(2) in device of the present utility model, between catalyst charge pump and raw material reaction still, feed pipe adopts metal hose, effectively reduces the resistance that straight type swan-neck produces, does not have clogging to occur in pipeline.
(3) in the utility model device, the charging aperture that catalyst stirred tank lower end discharging opening is arranged with catalyst stirred tank upper end after feed pump is connected with reflux cycle pipeline, when catalyst stops entering raw material reaction still, effectively can prevent the deposition of catalyst bottom catalyst stirred tank, ensure that carrying out continuously of whole reaction system, extend the service life of each several part equipment.
Accompanying drawing explanation
Fig. 1 is catalyst-adding device structural representation in Petropols production technology;
In figure: 1. gas pipeline entrance; 2. catalyst storage device; 3. catalyst preparation still; 4. catalyst stirred tank; 5. feed pump I; 6. flow control valve I; 7. raw material reaction still; 8. tee pipe coupling; 9. feed pump II; 10. outer circulation condenser; 11. four-way unions; 12. flow control valves II; 13. alkali cleaning stills; 14. reboilers; 15. precipitation towers; 16. extraction pumps; 17. feed pipe A; 18. pipeline branch pipe B; 19. pipeline branch pipe C; 20. pipeline branch pipe D.
Detailed description of the invention
As shown in Figure 1, catalyst-adding device in a kind of Petropols production technology, comprises gas pipeline entrance 1, catalyst storage device 2, catalyst preparation still 3, catalyst stirred tank 4, feed pump I, flow control valve I, raw material reaction still 7, tee pipe coupling 8, feed pump II, outer circulation condenser 10, four-way union 11, flow control valve II, alkali cleaning still 13, reboiler 14, precipitation tower 15, extraction pump 16, feed pipe A, pipeline branch pipe B, pipeline branch pipe C, pipeline branch pipe D, nitrogen is entered by gas pipeline entrance 1, feed pipe is blown into by lower end discharging opening solid catalyst particle out by catalyst storage device 2, then catalyst preparation still 3 is entered by described catalyst preparation still 3 upper end charging aperture, mix with the liquid in catalyst preparation still 3, discharged by catalyst preparation still 3 lower end discharging opening after mixing, catalyst stirred tank 4 is entered from described catalyst stirred tank 4 upper end charging aperture by feed pipe, feed pipe is passed into by catalyst stirred tank 4 lower end discharging opening after stirring in catalyst stirred tank 4, by feed pump I, flow control valve I leads to tee pipe coupling 8, then feed pipe A is entered, four-way union 11 is led to through feed pump II by feed pipe A, then in the middle part of being communicated with raw material reaction still 7 by pipeline branch pipe A, charging aperture enters in raw material reaction still 7, simultaneous reactions raw material enters in raw material reaction still 7 by another material inlet in the middle part of raw material reaction still 7, at 40 ~ 100 DEG C, pressure be under 0.1 ~ 0.4MPa condition after completion of the reaction, enter feed pipe via raw material reaction still lower end discharging opening and lead to tee pipe coupling 8, then feed pipe A is entered, the catalyst mix passed into continuously with feed pipe A, mixed material by feed pipe A through feed pump II, outer circulation condenser 10 leads to four-way union 11, then a part of mixed material is with 200m
3the flow velocity of/h enters in raw material reaction still by pipeline branch pipe B by charging aperture in the middle part of raw material reaction still 7, forms closed circuit with raw material reaction still 7 lower end discharging opening, part mixed material is with 0.3m
3the flow velocity of/h enters in catalyst preparation still by pipeline branch pipe C by another charging aperture of catalyst preparation still 3 upper end, with solid catalyst mix and blend wherein, some mixed material another is with 5m
3the flow velocity of/h passes into alkali cleaning still 13 lower end charging aperture by pipeline branch pipe D through flow control valve II, add from alkali cleaning still 13 upper end alkali lye charging aperture the NaOH solution that mass concentration is 2 ~ 5% simultaneously, after alkali cleaning process, alkali waste water is exported by the buck of caustic wash tower lower end and discharges under Valve controlling, the product obtained is discharged by alkali cleaning still upper end discharging opening and is entered feed pipe, then the charging aperture in the middle part of precipitation tower 15 enters precipitation tower, at precipitation tower 15 with under the acting in conjunction of reboiler 14, separation obtains product, be separated through process the product obtained in precipitation tower to be discharged by precipitation tower lower end discharging opening, by extraction pump 16 extraction, product granulation is packed.Solvent naphtha in precipitation tower is discharged by precipitation tower upper end discharging opening.
In the apparatus, an outer circulation feed pipe is connected with by feed pump I between catalyst stirred tank 4 lower end discharging opening and another charging aperture of catalyst stirred tank 4 upper end, when there is reaction stopping phenomenon in material reaction process, can ensure that the stirring of catalyst proceeds, effectively prevent solid portion in catalyst from precipitating in catalyst stirred tank 4, blocking catalyst stirred tank discharging opening.
The material of discharging at raw material reaction still 7 discharging opening enters feed pipe A at tee pipe coupling 8 place and catalyst mix, by four-way union 11 after outer circulation condenser 10 condensation, some mixed material reenters raw material reaction still 7 through pipeline branch pipe B, circulates.In cyclic process China and foreign countries, cycle condenser 10 can effectively take away the heat produced in course of reaction, ensure that carrying out smoothly of whole reaction.
In the apparatus, feed pipe A is metal hose.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.
Claims (5)
1. a catalyst-adding device in Petropols production technology, comprises catalyst storage device, catalyst preparation still, catalyst stirred tank, feed pump I, flow control valve I, raw material reaction still, tee pipe coupling, feed pump II, outer circulation condenser, four-way union, flow control valve II, alkali cleaning still, reboiler, precipitation tower, extraction pump, it is characterized in that: described catalyst storage device lower end discharging opening is configured still upper end charging aperture with catalyst and is communicated with by feed pipe, catalyst preparation still lower end discharging opening is communicated with catalyst stirred tank upper end charging aperture by feed pipe, and catalyst stirred tank lower end discharging opening passes through feed pipe, feed pump I, flow control valve I leads to three-way pipeline joint and is communicated with feed pipe A, then through feed pump II, outer circulation condenser, lead to four-way union by feed pipe A, four-way union is connected with pipeline branch pipe B respectively, pipeline branch pipe C, pipeline branch pipe D, described pipeline branch pipe B are communicated with charging aperture in the middle part of raw material reaction still, described pipeline branch pipe C is communicated with another charging aperture of catalyst preparation still upper end by valve, described pipeline branch pipe D is communicated with alkali cleaning still lower end charging aperture by flow control valve II, and alkali cleaning still upper end discharging opening is communicated with charging aperture in the middle part of precipitation tower by feed pipe, and precipitation tower lower end discharging opening is communicated with extraction pump by feed pipe, raw material reaction still lower end discharging opening leads to tee pipe coupling by feed pipe and is communicated with feed pipe A, also be provided with another one material inlet in the middle part of described raw material reaction still, described alkali cleaning still upper end is also provided with alkali lye charging aperture.
2. catalyst-adding device in Petropols production technology according to claim 1, is characterized in that: described catalyst storage device lower end discharging opening is also communicated with gas access by an other feed pipe.
3. catalyst-adding device in Petropols production technology according to claim 2, is characterized in that: described gas is nitrogen.
4. catalyst-adding device in Petropols production technology according to claim 1, is characterized in that: described feed pipe A is metal hose.
5. catalyst-adding device in the Petropols production technology according to any one of claim 1 ~ 4, is characterized in that: described catalyst stirred tank lower end discharging opening and another charging aperture of catalyst stirred tank upper end to be connected composition closed circuit by outer circulation feed pipe and feed pump I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520567334.7U CN204841602U (en) | 2015-07-31 | 2015-07-31 | Device is added to catalyst in petroleum resin production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520567334.7U CN204841602U (en) | 2015-07-31 | 2015-07-31 | Device is added to catalyst in petroleum resin production technology |
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|---|---|
| CN204841602U true CN204841602U (en) | 2015-12-09 |
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| CN201520567334.7U Expired - Fee Related CN204841602U (en) | 2015-07-31 | 2015-07-31 | Device is added to catalyst in petroleum resin production technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017732A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | For the pre-polymerization material distribution device and distribution method of olefinic polymerization and application |
| CN108017733A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | For the catalyst feed distributor and distribution method of olefinic polymerization and application |
-
2015
- 2015-07-31 CN CN201520567334.7U patent/CN204841602U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017732A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | For the pre-polymerization material distribution device and distribution method of olefinic polymerization and application |
| CN108017733A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | For the catalyst feed distributor and distribution method of olefinic polymerization and application |
| CN108017733B (en) * | 2016-10-31 | 2020-07-21 | 中国石油化工股份有限公司 | Catalyst material distribution device for olefin polymerization, distribution method and application |
| CN108017732B (en) * | 2016-10-31 | 2020-07-24 | 中国石油化工股份有限公司 | Pre-polymerization material distribution device for olefin polymerization, distribution method and application |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |