CN202378194U - Polypropylene device - Google Patents
Polypropylene device Download PDFInfo
- Publication number
- CN202378194U CN202378194U CN201120530881XU CN201120530881U CN202378194U CN 202378194 U CN202378194 U CN 202378194U CN 201120530881X U CN201120530881X U CN 201120530881XU CN 201120530881 U CN201120530881 U CN 201120530881U CN 202378194 U CN202378194 U CN 202378194U
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- China
- Prior art keywords
- powder
- powder storage
- cleaning position
- storage silo
- buffering hopper
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- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a polypropylene device, which comprises a powder purification chamber (10) and a granulating system which is arranged at the downstream of the powder purification chamber (10). A powder storage system is additionally arranged. The first end of the powder storage system is connected with the downstream outlet end of the powder purification chamber (10) and the second end of the powder storage system is connected to the upstream inlet end of the powder purification chamber (10) through a backflow conveying pipeline. The polypropylene device effectively solves the problem that the entire polypropylene line is shut down because the polypropylene granulating system is shut down in the prior art.
Description
Technical field
The utility model relates to petrochemical industry, in particular to a kind of polypropylene plant.
Background technology
The polypropylene granulating system of polypropylene plant of the prior art, the easy polypropylene that occurs stopping and cause is parking problem completely, also causes up-stream system the situation of the underproduction to occur simultaneously; PP production line restarts after repeatedly stopping production completely again the serious material loss and the problem of mechanical loss can occur.
The utility model content
The utility model aims to provide a kind of polypropylene plant, the problem that causes polypropylene to stop completely to solve polypropylene granulating system appearance parking in the prior art.
To achieve these goals; The utility model provides a kind of polypropylene plant; Comprise: powder cleaning position and the granulating system that is positioned at powder cleaning position downstream, also be provided with the powder storage system, first end of powder storage system is connected the lower exit end of powder cleaning position; And second end of powder storage system is connected to the upstream inlet end of powder cleaning position through the backflow transfer pipeline.
Further, the powder storage system comprises: the first buffering hopper, and its feeding mouth is connected on first pipeline between powder cleaning position and the granulating system; The powder storage silo, its feeding mouth is connected with the discharging opening of the first buffering hopper; The second buffering hopper, its feeding mouth is connected with the discharging opening of powder storage silo, and the discharging opening of the second buffering hopper is connected with the powder cleaning position.
Further, be provided with first valve between the lower exit end of the feeding mouth of the first buffering hopper and powder cleaning position.
Further, first valve is positioned on first pipeline.
Further, the powder storage silo is a plurality of.
Further; The powder storage silo comprises: the first powder storage silo and the second powder storage silo; The feeding mouth of the feeding mouth of the first powder storage silo and the second powder storage silo all is connected with the discharging opening of the first buffering hopper, and the discharging opening of the discharging opening of the first powder storage silo and the second powder storage silo all is connected with the feeding mouth of the second buffering hopper.
Further, two powder storage silo all are connected through the discharging opening of second valve with the first buffering hopper.
Further, first valve and second valve are triple valve.
Further, the discharging opening place of the first buffering hopper and the second buffering hopper is equipped with the discharging stopcock.
Use the technical scheme of the utility model, polypropylene plant comprises: powder cleaning position, granulating system, powder storage system; Granulating system is positioned at powder cleaning position downstream; The powder storage system is arranged between powder cleaning position and the granulating system; Storage system has the transfer pipeline that is back to the powder cleaning position.Raw material is through getting into the granulating system granulation behind the powder cleaning position, when granulating system or powder cleaning position downstream go wrong when shutting down, the powder cleaning position works on its upper reaches, and raw material gets into the powder storage system and accomplishes store operational after through the powder cleaning position; After granulating system or the eliminating of powder cleaning position downstream problems, polypropylene plant is reworked completely, and the raw material in the powder storage system gets into the powder cleaning position again and proceeds to handle through refluxing.Like this, when stop in emergency in granulating system or powder cleaning position downstream, can keep the production of polypropylene polymerization, restart again after the polypropylene plant that has solved prior art repeatedly stops production completely and the serious material loss and the problem of mechanical loss can occur.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to the embodiment of the polypropylene plant of the utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
As shown in Figure 1, the polypropylene plant of present embodiment comprises: powder cleaning position 10, granulating system, powder storage system; First end of powder storage system is connected the lower exit end of powder cleaning position 10, and second end of powder storage system is connected to the upstream inlet end of powder cleaning position 10 through the backflow transfer pipeline.
Carry out in the course of work at polypropylene plant; Raw material gets into the granulating system granulation through powder cleaning position 10 backs; When granulating system or powder cleaning position 10 downstream go wrong when shutting down; Powder cleaning position 10 works on its upper reaches, and raw material gets into the powder storage system and accomplishes store operational behind process powder cleaning position 10; After granulating system or the eliminating of powder cleaning position 10 downstream problems, polypropylene plant is reworked completely, and the raw material in the powder storage system gets into powder cleaning position 10 again and proceeds to handle through refluxing.Like this, when stop in emergency in granulating system or powder cleaning position 10 downstream, can keep the production of polypropylene polymerization, solve polypropylene granulating system in the prior art and stopped and cause polypropylene to stop completely and the problem of serious material loss and mechanical loss occurs.
Preferably, the powder storage system comprises: the first buffering hopper 31, powder storage silo 32, the second buffering hopper 33; The first buffering hopper 31, its feeding mouth is connected on first pipeline between powder cleaning position 10 and the granulating system, is provided with first valve between the feeding mouth of the first buffering hopper 31 and the lower exit end of powder cleaning position 10, and first valve is positioned on first pipeline; The feeding mouth of powder storage silo 32 is connected with the discharging opening of the first buffering hopper 31; The feeding mouth of the second buffering hopper 33 is connected with the discharging opening of powder storage silo 32; The discharging opening of the second buffering hopper 33 is connected with powder cleaning position 10.Be provided with like this, must have improved the buffer capacity of powder storage system through the first buffering hopper 31 when the raw material in powder evolution storehouse 10 gets into powder storage silo 32.
Preferably, powder storage silo 32 can be for a plurality of.Wherein preferred two powder storage silo 32 are two; Two powder storage silo 32 comprise: the first powder storage silo 32a and the second powder storage silo 32b; The feeding mouth of the feeding mouth of the first powder storage silo 32a and the second powder storage silo 32b all is connected with the discharging opening of the first buffering hopper 31, and the discharging opening of the discharging opening of the first powder storage silo 32a and the second powder storage silo 32b all is connected with the feeding mouth of the second buffering hopper 33; Two powder storage silo 32 all are connected through the discharging opening of second valve with the first buffering hopper 31.Powder storage silo 32 is provided with a plurality of can when the polymerization fault stop to produce, keeping the running time at powder cleaning position 10 upper reaches and extend, for accident treatment provides the comparatively sufficient time.
Preferably, the discharging opening place of the first buffering hopper 31 and the second buffering hopper 33 is equipped with the discharging stopcock, and the effect of this bleeder valve is that the powder blanking is even, prevents the gas blowby situation.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. polypropylene plant; Comprise: powder cleaning position (10) and be positioned at the granulating system in said powder cleaning position (10) downstream; It is characterized in that, also be provided with the powder storage system, first end of said powder storage system is connected the lower exit end of said powder cleaning position (10); And second end of said powder storage system is connected to the upstream inlet end of said powder cleaning position (10) through the backflow transfer pipeline.
2. polypropylene plant according to claim 1 is characterized in that, said powder storage system comprises:
The first buffering hopper (31), its feeding mouth is connected on first pipeline between said powder cleaning position (10) and the said granulating system;
Powder storage silo (32), its feeding mouth is connected with the discharging opening of the said first buffering hopper (31);
The second buffering hopper (33), its feeding mouth is connected with the discharging opening of said powder storage silo (32), and the discharging opening of the said second buffering hopper (33) is connected with said powder cleaning position (10).
3. polypropylene plant according to claim 2 is characterized in that, is provided with first valve between the feeding mouth of the said first buffering hopper (31) and the lower exit end of said powder cleaning position (10).
4. polypropylene plant according to claim 3 is characterized in that, said first valve is positioned on said first pipeline.
5. polypropylene plant according to claim 4 is characterized in that, said powder storage silo (32) is a plurality of.
6. polypropylene plant according to claim 5; It is characterized in that; Said powder storage silo (32) comprising: the first powder storage silo (32a) and the second powder storage silo (32b); The feeding mouth of the feeding mouth of the said first powder storage silo (32a) and the second powder storage silo (32b) all is connected with the discharging opening of the said first buffering hopper (31), and the discharging opening of the discharging opening of the said first powder storage silo (32a) and the second powder storage silo (32b) all is connected with the feeding mouth of the said second buffering hopper (33).
7. polypropylene plant according to claim 6 is characterized in that, said two powder storage silo (32) all are connected through the discharging opening of second valve with the said first buffering hopper (31).
8. polypropylene plant according to claim 7 is characterized in that, said first valve and said second valve are triple valve.
9. polypropylene plant according to claim 2 is characterized in that, the discharging opening place of said first buffering hopper (31) and the said second buffering hopper (33) is equipped with the discharging stopcock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120530881XU CN202378194U (en) | 2011-12-16 | 2011-12-16 | Polypropylene device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120530881XU CN202378194U (en) | 2011-12-16 | 2011-12-16 | Polypropylene device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378194U true CN202378194U (en) | 2012-08-15 |
Family
ID=46626715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120530881XU Expired - Lifetime CN202378194U (en) | 2011-12-16 | 2011-12-16 | Polypropylene device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027134A (en) * | 2019-04-10 | 2019-07-19 | 中国寰球工程有限公司 | Polyolefine powder multifunctional comprehensive processing system and method |
-
2011
- 2011-12-16 CN CN201120530881XU patent/CN202378194U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027134A (en) * | 2019-04-10 | 2019-07-19 | 中国寰球工程有限公司 | Polyolefine powder multifunctional comprehensive processing system and method |
| CN110027134B (en) * | 2019-04-10 | 2024-05-10 | 中国寰球工程有限公司 | Multifunctional comprehensive treatment system and method for polyolefin powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |