CN100334977C - Dredging method for lower storage tank coil pipe of tobacco cutting and expanding line - Google Patents
Dredging method for lower storage tank coil pipe of tobacco cutting and expanding line Download PDFInfo
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- CN100334977C CN100334977C CNB2005100444338A CN200510044433A CN100334977C CN 100334977 C CN100334977 C CN 100334977C CN B2005100444338 A CNB2005100444338 A CN B2005100444338A CN 200510044433 A CN200510044433 A CN 200510044433A CN 100334977 C CN100334977 C CN 100334977C
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- coil pipe
- storage tank
- pipeline
- lower storage
- carbon dioxide
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Abstract
The present invention provides a method for dredging a lower storage tank coil pipe in a tobacco shredding and expanding line. The method has the steps that a pipeline between the coil pipe and a drier is disconnected, the coil pipe is reversely blown by using high-pressure airflow in a process tank, stemming in the coil pipe is blown out of the disconnected position of the pipeline, and the disconnected position of the pipeline is connected. The method of the present invention has the advantages that the coil pipe is dredged through reversely blowing by the high-pressure airflow, less than one ton carbon dioxide is discharged, and the whole operation can be completed in four hours; thus, the method of the present invention has the advantages of time saving, labor saving, reduced waste of carbon dioxide and relieved environmental pollution.
Description
Technical field
The present invention relates to the defeated circulation method of the lower storage tank coil pipe of carbon dioxide recovery system, in accordance in the tobacco business throwing expansion line.
Background technology
Carbon dioxide recovery system, in accordance is mainly by drier, process tank, storage tank and coil pipe are formed up and down in the tobacco business throwing expansion line, and the main effect of coil pipe is the carbon dioxide that cooling liquid is reclaimed, and replenishes to process tank then.Coil pipe and is connected by pipeline between the drier in following storage tank.Often stopped up by ice in the coil pipe entry position, if coil pipe stops up, whole carbon dioxide recovery system, in accordance will be paralysed, and can't reclaim carbon dioxide, causes expansion line to stop production.The processing method commonly used of coil pipe obstruction at present is: earlier with the CO2 emission in the storage tank, use the steam purge coil pipe then, dry up coil pipe with compressed air again, vacuumize with the vacuum machine at last.
Carbon dioxide is general in the storage tank during expansion line ordinary production keeps 30 tons, and above-mentioned processing method needs these carbon dioxide are entered atmosphere, causes great waste and environmental pollution, needs ability discharging in 72 hours to finish at the soonest, and labour intensity is also very big.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, the dredging method of lower storage tank coil pipe in a kind of time saving and energy saving tobacco cutting expansion line is provided.
Purpose of the present invention adopts following solution to realize:
This method is that the pipeline between coil pipe and the drier is disconnected, and utilizes the high pressure draught in the process tank that coil pipe is carried out blowback, and the tamper in the coil pipe is blown out by the pipeline gap, the pipeline gap is connected again.
The present invention is by high pressure draught blowback mediation coil pipe, and the discharging carbon dioxide can be finished whole operation less than one ton with 4 hours.Time saving and energy saving, reduced the waste of carbon dioxide, alleviated environmental pollution.
Description of drawings
Accompanying drawing is a schematic flow sheet of the present invention.
Wherein: 1, drier, 2, the pipeline junction, 3, process tank, 4, storage tank down, 5, coil pipe
The specific embodiment
Accompanying drawing has provided schematic flow sheet of the present invention.The coil pipe 5 of carbon dioxide recovery system, in accordance is in following storage tank 4 in the throwing expansion line, and is connected by pipeline between the drier 1, and process tank 3 also is connected with coil pipe 5.Pressure reduction during operate as normal in the coil pipe 5 is about 3bar, and airflow direction is for to flow to coil pipe 5 by drier 1, and the position that takes place to stop up is generally in the coil pipe entry position, and Chang Youbing stops up.
After coil pipe 5 stops up, pipeline junction between coil pipe 5 and the drier 12 is disconnected, utilize the process tank 1 and the 32bar pressure reduction of atmosphere that coil pipe 5 is carried out blowback, opposite when promptly airflow direction is with operate as normal, high pressure draught can blow out the ice of coil pipe 5 porch, the pipeline gap is connected again.Such processing method is discharged carbon dioxide less than one ton, 4 hours times spent.Thereby solved coil pipe and stopped up the processing waste greatly, the time is long, and pollution is big, and the problem that labour intensity is big has guaranteed the production of expanded cut tobacco.Carbon dioxide is 1000 yuan per ton in the market, so cost-saved 29000 yuan of this method, and the time spent shortens 68 hours.And alleviated labour intensity greatly.
Claims (1)
1. the dredging method of lower storage tank coil pipe in the tobacco cutting expansion line, it is characterized in that: this method is that the pipeline between coil pipe and the drier is disconnected, utilize the high pressure draught in the process tank that coil pipe is carried out blowback, tamper in the coil pipe is blown out by the pipeline gap, again the pipeline gap is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100444338A CN100334977C (en) | 2005-08-29 | 2005-08-29 | Dredging method for lower storage tank coil pipe of tobacco cutting and expanding line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100444338A CN100334977C (en) | 2005-08-29 | 2005-08-29 | Dredging method for lower storage tank coil pipe of tobacco cutting and expanding line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1748585A CN1748585A (en) | 2006-03-22 |
| CN100334977C true CN100334977C (en) | 2007-09-05 |
Family
ID=36604386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100444338A Active CN100334977C (en) | 2005-08-29 | 2005-08-29 | Dredging method for lower storage tank coil pipe of tobacco cutting and expanding line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100334977C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883078A (en) * | 1986-09-25 | 1989-11-28 | Japan Tobacco Inc. | Transport system for transporting rod-shaped objects in an air flow |
| CN1271958A (en) * | 1999-04-23 | 2000-11-01 | 松下电工株式会社 | Field emission type electron source and its manufacturing method |
| JP2004350907A (en) * | 2003-05-29 | 2004-12-16 | Toho Gas Co Ltd | Ingredient steamer commercial steamer |
-
2005
- 2005-08-29 CN CNB2005100444338A patent/CN100334977C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883078A (en) * | 1986-09-25 | 1989-11-28 | Japan Tobacco Inc. | Transport system for transporting rod-shaped objects in an air flow |
| CN1271958A (en) * | 1999-04-23 | 2000-11-01 | 松下电工株式会社 | Field emission type electron source and its manufacturing method |
| JP2004350907A (en) * | 2003-05-29 | 2004-12-16 | Toho Gas Co Ltd | Ingredient steamer commercial steamer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1748585A (en) | 2006-03-22 |
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