CN2193036Y

CN2193036Y - CO2 cut tobacco expanding tower

Info

Publication number: CN2193036Y
Application number: CN 94209886
Authority: CN
Inventors: 王志华
Original assignee: Zhengzhou Tobacco Research Institute of CNTC
Current assignee: Zhengzhou Tobacco Research Institute of CNTC
Priority date: 1994-04-23
Filing date: 1994-04-23
Publication date: 1995-03-29
Anticipated expiration: 2004-04-23

Abstract

A foreign CO2 tobacco shred expanding device uses fuel or combustion gas as the heat source, the temperature of the heat air current supplied for a CO2 expanding tower reaches 350-380 DEG C, and the expansion rate can reach 90%. The utility model is additionally provided with a group of pipelines based on original pipelines and changes the parameters of the pipelines. The device with the improved design extends the time that the tobacco shred needs to pass through the expanding tower and changes the uniform motion of the tobacco shred to variable motion so that the impregnated tobacco shred can carry out comparatively sufficient heat exchange with the heat air current in the expanding tower, and the utility model is suitable for boiler heating systems using coal as the heat source in cigarette factories in China. The expansion rate can be greater than 70% under the condition that the temperature of the heat air current in the expanding tower is lower than 250 DEG C.

Description

CO2 cut tobacco expanding tower

The utility model relates to the bloating plant in the carbon dioxide expanded cut tobacco production line in the cigarette industry.

Carbon dioxide tobacco expanding production line mainly is made up of carbonic maceration (cold section) and tobacco expanding (hot arc) in the existing technology.Tobacco expanding (hot arc) mainly is made up of heating furnace, expanding tower and separator.Heating furnace provides thermal current to expanding tower.Expanding tower is that one group of pipeline is formed.Carry out heat exchange with thermal current through the pipe tobacco behind the carbon dioxide liquid dipping in this group pipeline, the effusion of gasifying rapidly of the solid carbon dioxide in this moment pipe tobacco makes tobacco expanding, improves its filling capacity to adapt to the cigarette industry technological requirement.The first segment of this group pipeline be connected with plate-turning door outlet, export tubular round tube, rectangular tube or the flat pipe of can be according to the plate overhead door; Its final section pipeline is connected with separator, is a joint converting pipe; Remaining pipes is generally round tube, and interior sectional area is constant.Separator is in the expanding tower back, and its function is that the pipe tobacco after expanding is separated with thermal current, and pipe tobacco gets damp again to the moisture that requires, and is transferred in the primary processing line and goes.Existing external carbon dioxide tobacco expanding technology uses fuel oil or combustion gas as thermal source, and the hot stream temperature that provides in expanding tower is 350～380 ℃, and the pipe tobacco behind the dipping was generally 0.1～0.3 second by the time of expanding tower.The tobacco expanding rate is generally 90%.

The purpose of this utility model is when using the carbon dioxide expanded cut tobacco technology in China, and each cigar mill only is that the medium-pressure boiler of thermal source is the concrete condition of heating system with the coal, and the tobacco expanding tower is improved design.The cigar mill of China is when using carbon dioxide tobacco expanding technology, and the hot stream temperature that provides to expanding tower generally is lower than 250 ℃.

Design of the present utility model is made up of 14 pipe joint roads.Pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 4 ］, pipeline ［ 12 ］, pipeline ［ 13 ］ are consistent with original technology with converting pipe ［ 14 ］.Between pipeline ［ 2 ］ and the pipeline ［ 4 ］ converting pipe ［ 3 ］ is arranged; Also have conic diffuse ［ 5 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, conic diffuse ［ 9 ］, pipeline ［ 10 ］ and conic diffuse ［ 11 ］ between pipeline ［ 4 ］ and the pipeline ［ 12 ］; Pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, pipeline ［ 12 ］ and the interior sectional area of pipeline ［ 13 ］ equate; The interior sectional area of pipeline ［ 4 ］ and pipeline ［ 10 ］ equates; The interior sectional area of pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, pipeline ［ 12 ］ and pipeline ［ 13 ］ is less than the interior sectional area of pipeline ［ 4 ］ and pipeline ［ 10 ］.

For the generative capacity with cigarette production line is complementary, carbon dioxide tobacco expanding equipment is generally: 200 kilograms/hour, 400 kilograms/hour and 600 kilograms/little time series.The interior sectional area of pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, pipeline ［ 12 ］ and the pipeline ［ 13 ］ of the carbon dioxide tobacco expanding tower of the utility model design and the interior sectional area ratio of pipeline ［ 4 ］ and pipeline ［ 10 ］ are: 0.45～0.55 to 1.0; Expanding tower pipeline ［ 1 ］ to the length summation of pipeline ［ 14 ］ greater than 12 meters; The length of pipeline ［ 4 ］ and pipeline ［ 10 ］ and be pipeline ［ 1 ］, pipeline ［ 2 ］, converting pipe ［ 3 ］, conic diffuse ［ 5 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, conic diffuse ［ 9 ］, conic diffuse ［ 11 ］, pipeline ［ 12 ］, pipeline ［ 13 ］ and converting pipe ［ 14 ］ length and 0.30～0.45 times.

The utility model has the advantages that significantly.The pipeline that increases has not only prolonged the time of pipe tobacco by expanding tower, and because pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, the interior sectional area of pipeline ［ 12 ］ and pipeline ［ 13 ］ is less than the interior sectional area of pipeline ［ 4 ］ and pipeline ［ 10 ］, when pipe tobacco enters the expanding tower heel and travels forward with thermal current, promptly be in the variable motion state of " slow-fast-slow ", these all make pipe tobacco behind the dipping be able to expanding tower in thermal current carry out heat exchange fully, in lower thermal current environment, reach comparatively ideal expansion effect.Make external carbon dioxide tobacco expanding technology adapt to China's national situation, can be extensive use of in China cigar mill.

Introduce embodiment below in conjunction with accompanying drawing.Fig. 1 is the structural representation of carbon dioxide tobacco expanding tower.The direction of arrow is for providing the flow direction of thermal current to expanding tower, that is the direction of motion of pipe tobacco.From figure one as can be seen carbon dioxide tobacco expanding tower form in totally ten four pipe joint roads by pipeline ［ 1 ］ to converting pipe ［ 14 ］.Wherein pipeline ［ 1 ］ is connected with plate-turning door, is that a cross section is rectangular pipeline.Pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 8 ］ and pipeline ［ 12 ］ are the bending pipe.Pipeline ［ 4 ］, pipeline ［ 7 ］, pipeline ［ 10 ］ and pipeline ［ 13 ］ are circular straighttube.Pipeline ［ 3 ］ and pipeline ［ 14 ］ are converting pipe, and an end is connected with round tube, and the other end is connected with the rectangle pipe.The end of pipeline ［ 14 ］ is connected with the separator line of next procedure.In rated output was 200 kilograms/hour equipment, the major parameter in each pipe joint road of expanding tower was as follows:

Pipeline ［ 1 ］: the square pipe is of a size of: 200mm * 310mm * 2100mm;

Pipeline ［ 2 ］: 90 ° of bend pipes, radius is: 600mm, face size is: 200mm * 310mm;

Pipeline ［ 3 ］: converting pipe, long 500mm, end face square tube size: 200mm * 310mm;

Pipeline ［ 4 ］: round tube; Internal diameter: 400mm, long: 2000mm;

Pipeline ［ 5 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 4 ］: 400mm, the other end is 280mm;

Pipeline ［ 6 ］: 180 ° of bend pipes, radius 600mm, internal diameter 280mm;

Pipeline ［ 7 ］: round tube, long: 3000mm, internal diameter: 280mm;

Pipeline ［ 8 ］: 180 ° of bend pipes, radius: 600mm, internal diameter: 280mm

Pipeline ［ 9 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 8 ］: 280mm, the other end is 400mm

Pipeline ［ 10 ］: round tube, internal diameter: 400mm, long: 2000mm;

Pipeline ［ 11 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 10 ］: 400mm, the other end is 280mm;

Pipeline ［ 12 ］: 90 ° of bend pipes, radius: 600mm, internal diameter: 280mm;

Pipeline ［ 13 ］: round tube, long: 1400mm, internal diameter: 280mm

Pipeline ［ 14 ］: converting pipe, long: 1000mm, the end face internal diameter that is connected with pipeline ［ 13 ］: 280mm, other end: 145mm * 500mm;

Expanding tower pipeline length overall: 19 meters.

In actual production, after pipe tobacco enters pipeline ［ 1 ］ from figure one upward arrow direction, travel forward with thermal current, after entering converting pipe ［ 3 ］, because it is big that the interior sectional area of converting pipe ［ 3 ］ begins to become, thermal current speed slows down, simultaneously, and the pipe tobacco movement velocity that after overcoming motional inertia, also slows down gradually.In like manner, after pipe tobacco enters conic diffuse ［ 5 ］, be a motion of quickening gradually; Be retarded motion again after entering conic diffuse ［ 9 ］.The variation of the variation of pipe tobacco movement velocity and thermal current flow velocity is asynchronous, has increased the chance that pipe tobacco and thermal current carry out heat exchange.Among this embodiment, enter expanding tower pipe tobacco temperature and be :-50～-100 ℃; Moisture content: 17～21%; Carbonated rate: 1～20%.The running time of pipe tobacco in expanding tower is 2 seconds, and hot stream temperature is 140-160 ℃.This embodiment tobacco expanding rate〉70%.

Rated output is that 400 kilograms/hour the major parameter of carbon dioxide tobacco expanding tower is as follows:

Pipeline ［ 1 ］: the square pipe is of a size of: 250mm * 500mm * 2100mm;

Pipeline ［ 2 ］: 90 ° of bend pipes, radius is: 1000mm, face size is: 250mm * 500mm;

Pipeline ［ 3 ］: converting pipe, long: 500mm, end face square tube size: 250mm * 500mm;

Pipeline ［ 4 ］: round tube; Internal diameter: 540mm, long: 3000mm;

Pipeline ［ 5 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 4 ］: 540mm, the other end is 400mm;

Pipeline ［ 6 ］: 180 ° bend pipe, radius 1000mm, internal diameter 400mm;

Pipeline ［ 7 ］: round tube, long: 4000mm, internal diameter: 400mm;

Pipeline ［ 8 ］: 180 ° of bend pipes, radius: 1000mm, internal diameter: 400mm

Pipeline ［ 9 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 8 ］: 400mm, the other end is 540mm

Pipeline ［ 10 ］: round tube, internal diameter: 540mm, long: 3000mm;

Pipeline ［ 11 ］: conic diffuse, long: 500mm, the end face internal diameter that is connected with pipeline ［ 10 ］: 540mm, the other end is 400mm;

Pipeline ［ 12 ］: 90 ° of bend pipes, radius: 1000mm, internal diameter: 400mm;

Pipeline ［ 13 ］: round tube, long: 1400mm, internal diameter: 400mm

Pipeline ［ 14 ］: converting pipe, long: 1000mm, the end face internal diameter that is connected with pipeline ［ 13 ］: 400mm, other end: 150mm * 860mm;

Expanding tower pipeline length overall: 25.9 meters.

Claims

1, carbon dioxide tobacco expanding tower is made up of pipeline [1], pipeline [2], pipeline [4], pipeline [12], pipeline [13] and converting pipe [14], it is characterized in that between pipeline [2] and pipeline [4] converting pipe [3] being arranged; Also have conic diffuse [5], pipeline [6], pipeline [7], pipeline [8], conic diffuse [9], pipeline [10] and conic diffuse [11] between pipeline [4] and the pipeline [12]; Pipeline [1], pipeline [2], pipeline [6], pipeline [7], pipeline [8], pipeline [12] and the interior sectional area of pipeline [13] equate; The interior sectional area of pipeline [4] and pipeline [10] equates; The interior sectional area of pipeline [1], pipeline [2], pipeline [6], pipeline [7], pipeline [8], pipeline [12] and pipeline [13] is less than the interior sectional area of pipeline [4] and pipeline [10].

2,, it is characterized in that the interior sectional area of pipeline ［ 1 ］, pipeline ［ 2 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, pipeline ［ 12 ］ and pipeline ［ 13 ］ and the interior sectional area ratio of pipeline ［ 4 ］ and pipeline ［ 10 ］ are: 0.45～0.55 to 1.0 according to the described carbon dioxide tobacco expanding of claim 1. tower; Expanding tower pipeline ［ 1 ］ to the length summation of pipeline ［ 14 ］ greater than 12 meters; The length of pipeline ［ 4 ］ and pipeline ［ 10 ］ and be pipeline ［ 1 ］, pipeline ［ 2 ］, converting pipe ［ 3 ］, conic diffuse ［ 5 ］, pipeline ［ 6 ］, pipeline ［ 7 ］, pipeline ［ 8 ］, conic diffuse ［ 9 ］, conic diffuse ［ 11 ］, pipeline ［ 12 ］, pipeline ［ 13 ］ and converting pipe ［ 14 ］ length and 0.30～0.45 times.