CN208941029U - A kind of tubular type tobacco cut drying equipment - Google Patents
A kind of tubular type tobacco cut drying equipment Download PDFInfo
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- CN208941029U CN208941029U CN201821434679.5U CN201821434679U CN208941029U CN 208941029 U CN208941029 U CN 208941029U CN 201821434679 U CN201821434679 U CN 201821434679U CN 208941029 U CN208941029 U CN 208941029U
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- tube body
- dry
- air
- tobacco cut
- feed duct
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Abstract
The utility model discloses a kind of tubular type tobacco cut drying equipments, it is desirable to provide a kind of tubular type tobacco cut drying equipment that uniform drying is good.It includes the heat exchanger for heating air, feed duct, feeder, dry tube body, dry conveying pipeline, tangential feeder, cyclone separator and air-introduced machine；The feed duct is horizontally disposed, and the feeder is set to feed duct top；The heat exchanger is installed on the front end of feed duct；The dry tube body is vertically arranged, and has a diameter larger than the diameter of feed duct, and the tapered contraction in its both ends；The lower end of the dry tube body is connected to the rear end of feed duct；The dry conveying pipeline is in being horizontally disposed with, and front end is connected to the upper end of dry tube body, and rear end is connected to the feed end of tangential feeder；The air outlet of the tangential feeder is connected to by pipeline with the entrance of cyclone separator；Air-introduced machine is installed on the air-exhausting duct of cyclone separator.The utility model is suitable for the dry of all kinds of crumbled tobaccos and uses.
Description
Technical field
The utility model relates to tobacco leaf technical field of processing equipment, more particularly, to a kind of tubular type tobacco cut drying equipment.
Background technique
The drying of tobacco cut is usually temperature raising after absorbing heat by tobacco cut, evaporates tobacco leaf surface moisture constantly
And it is diffused into the hot-air of surrounding and realizes drying；With the raising of tobacco cut temperature, the temperature of material internal moisture is also gradually
Not dying is increased, internal moisture is constantly diffused into material outer surface simultaneously under water, the effect of steam pressure difference inside and outside tobacco cut
Evaporation, to complete the drying process of drying of tobacco cut.
On threshing and redrying production line, traditional tobacco cut drying equipment mainly uses drum-type redrying machine and the broken leaf of spiral
Dryer, is all made of heat transfer, heat radiation makes tobacco cut heat and dry, since the heat transfer of material and thermal medium is intermittent
, noncontinuity, cause material instantaneously to absorb heat unevenness, easily cause equipment discharging dry and wet uneven；Material and thermal medium contact surface
Product is small, and hot mass transfer low efficiency leads to heat waste.In addition, the fluctuation of tobacco cut flow, variation of ambient temperature and equipment humidity discharging
It is unobstructed larger to the interference of spiral broken leaf drier effect；And drum-type redrying machine equipment control parameter is more, it is roller revolution, thin
Plate temperature, hot blast temperature, hot wind air quantity, humidity discharging air quantity etc. are controllable, and it is larger that equipment regulates and controls difficulty.
Utility model content
The purpose of this utility model is intended to overcome the shortcomings of the prior art, and it is good to provide a kind of uniform drying, heat
Small tubular type tobacco cut drying equipment is lost.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of tubular type tobacco cut drying equipment, including the heat exchanger for heating air, feed duct, feeder is done
Dry tube body, dry conveying pipeline, tangential feeder, cyclone separator and air-introduced machine；The feed duct is horizontally disposed, it is described into
Glassware is set to feed duct top；The heat exchanger is installed on the front end of feed duct；The dry tube body is set vertically
It sets, has a diameter larger than the diameter of feed duct, and the tapered contraction in its both ends；The lower end of the dry tube body and charging convey
The rear end of pipe is connected to；In horizontally disposed, front end is connected to the dry conveying pipeline with the upper end for drying tube body, rear end with tangentially fall
The feed end of glassware is connected to；The air outlet of the tangential feeder is connected to by pipeline with the entrance of cyclone separator；It is described to draw
Assembling is on the air-exhausting duct of cyclone separator.
Preferably, the dry tube body is at least two, and each dry tube body is arranged in parallel, and passes through respective numbers
It is wavy that dry conveying pipeline head and the tail connection forms rectangle.
Preferably, one is at least arranged on the dry conveying pipeline and mends wet humidification nozzle.
Preferably, the dry tube body and the section area ratio of feed duct are 2~4:1.
Preferably, the heat exchanger uses finned heat exchanger.
Compared with prior art, the utility model has the advantages that
1), the utility model rate of drying is fast, and tobacco cut is high in main drying duct dispersion degree, and the speed of air-flow may be up to 5
~30m/s, material are suspended in air-flow again, gas, it is solid between contact area it is big, Mass and heat transfer rate is fast, and uniform drying can be obtained
Product, discharging dry and wet is uneven.
2), the utility model manipulation is easy, realizes drying purpose by control gas, solid temperature difference.
3), the utility model drying time is short.Material is general in drier only to stop 0.5~2s, and from hall space
Material is conveyed to specified station, production-line technique process can be simplified, shorten production line process time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is tobacco leaf in the intracorporal distribution schematic diagram of drying tube.
Fig. 3 is the structural schematic diagram of second embodiment of the utility model.
In figure: 1 heat exchanger, 2 feeders, 3 feed ducts, 4 dry tube bodies, 5 dry conveying pipelines, 6 tangential feeders, 7
Cyclone separator, 8 humidification nozzles, 10 crumbled tobaccos, A air inlet, B feed inlet, C discharge port, D Waste gas outlet, E dust emission
Mouthful.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.In the following description, in order to clearly demonstrate originally
The structure and working method of utility model will be described on the basis of attached drawing by many Directional words, but should be incited somebody to action
The Word Understandings such as "front", "rear", "left", "right", "upper", "lower" are not construed as word of limitation for convenience of term.
Embodiment 1
A kind of tubular type tobacco cut drying equipment, as shown in Figs. 1-2, including the heat exchanger 1 for heating air, charging conveying
Pipe 3, feeder 2, dry tube body 4, dry conveying pipeline 5, tangential feeder 6, cyclone separator 7 and air-introduced machine；It is characterized by:
The feed duct 3 is horizontally disposed, and the feeder 2 is set to 3 top of feed duct；The heat exchanger 1 be installed on into
The front end of material conveying tube 3；The dry tube body 4 is vertically arranged, and has a diameter larger than the diameter of feed duct 3, and its both ends is in
Cone cell is shunk；The lower end of the dry tube body 4 is connected to the rear end of feed duct 3；The dry conveying pipeline 5 is set in level
It sets, front end is connected to the upper end of dry tube body 4, and rear end is connected to the feed end of tangential feeder 6；The tangential feeder 6
Air outlet be connected to the entrance of cyclone separator 7 by pipeline；The air-introduced machine is installed on the air-exhausting duct of cyclone separator 7
On.
As a further improvement, one is at least arranged on the dry conveying pipeline 5 and mends wet humidification nozzle 8.
The dry tube body 4 and the section area ratio of feed duct 3 are 2~4:1 as a preferred technical solution,.
The heat exchanger 1 uses finned heat exchanger as a preferred technical solution, real using steam or hot fume when use
The heat supply of existing heat exchanger；Obviously other applicable heat exchangers can also be used, such as use heat pump.
Embodiment 2
A kind of tubular type tobacco cut drying equipment, as shown in Figure 3, wherein the dry tube body 4 is three, and each drying tube
Body 4 is arranged in parallel, and connects by the drying conveying pipelines 5 of respective numbers that form rectangle wavy from beginning to end.Remaining is basic with embodiment 1
It is identical, the drying capacity of dry tube body can be improved, therefore processing efficiency can further improve, it is clear that two dryings can also be used
Tube body or four dry tube bodies etc..
When work, heat exchanger provides dry required gas material temperature difference, gas material temperature degree for heating air to assigned temperature
Difference is determined according to drying duct length.It is generally heated using steam, outlet conduits are equipped with temperature detection feedback device to control heat
It is poor to provide dry required temperature for air themperature.Hot-air operating temperature is generally at 70~150 DEG C, and preferable temperature is 90~125
℃。
Feeder is for uniformly conveying material into drying duct；Using rotary discharging device feeding, discharger revolving speed is used
Variable frequency adjustment, revolving speed preferably 20~40r/min；Putty detection device is arranged in discharger, to detect charging failure；Discharger two
Setting pressure air in end is swept, and discharger wheel body using quick-release type is opened fastly, quickly to exclude putty failure.
Feed duct for accelerating, loose and conveying tobacco cut.Tobacco cut uniformly from feeder at certain inclination angle into
After material, with high velocity, hot air cocurrent, accelerated under hot air acting, and scatter in pipeline.It is hot in feeding assembly
Air velocity is in 15~30m/s.
Dry tube body is used for evenly dispersed tobacco cut and drying, is arranged vertically, and using three-stage structure, entrance setting is slowed down
Section, middle part are main drying tube, and accelerating sections is arranged in outlet, and main drying tube height is determined according to factory building height.Tobacco cut enters drying
To make reduction of speed movement after tube body, material is made further to scatter, the contact area between increasing gas, consolidating is big, Mass and heat transfer rate is increased,
Main drying tube gas, solid flow velocity are generally between 3~12m/s, in 0.5~1s of drying time, under higher gas, solid temperature difference, and material
50~80% interior moisture are vaporized and are diffused into heated dry air.Dry tube body outlet is equipped with temperature detection feedback device, is used for
Drying effect is measured, the setting of hot air temperature is instructed.
Dry conveying pipeline is for conveying tobacco cut to production line specified station, and damp-heat air average air flow velocity is in 18~30m/
Between s, relative velocity is big between gas and tobacco cut, and convective heat-transfer coefficient is also big, while assisting dry tobacco cut, avoids tobacco cut defeated
It is humidified during sending by damp-heat air；It can continue to continue drying to tobacco cut, belong to falling rate drying period, sectional area can be set
It is calculated as avoiding wind speed decreased tobacco cut from settling along the diminishing pattern of airflow direction；
Dry tube body and feed duct and dry conveying pipeline section area ratio are 2~4:1, and maximum is no more than 6:1.
Tangential feeder is mainly made of tangential feeder, for separating the tobacco cut in hot-air, and separates hot-air
In dust.
Cyclone separator is used for further heat of dissociation dust in air and powder, while exhaust gas is discharged into outside atmosphere.
By controlling the tobacco cut speed of service and its dispersion degree in hot-air in each system, increase material, gas heat transfer
Coefficient improves the uniformity of equipment drying efficiency and the moisture that discharges.
The course of work is as follows:
Tobacco cut is entered by feeder 2, and cocurrent is transported in feed duct 3 with the high velocity, hot air that is heated by heat exchanger 1
Row brings dry tube body 4 into after tobacco cut is accelerated, gas material is evenly distributed in dry 4 section of tube body after slowing down, at the same with heat
Efficient air heat exchange, tobacco cut internal moisture are vaporized and are discharged into hot-air, and gas material enters drying after being again speeded up
5 Accelerating running of conveying pipeline, tobacco cut is transported to tangential feeder 6 after continuing falling-rate periods of drying, and from tangential 6 discharge port of feeder
It is discharged to specified production line station, exhaust gas enters cyclone separator 7 after tangential 6 level-one of feeder is overanxious, and in cyclonic separation
Enter outside atmosphere through secondary filtration heel row in device 7.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of tubular type tobacco cut drying equipment, including the heat exchanger (1) for heating air, feed duct (3), feeder
(2), dry tube body (4), dry conveying pipeline (5), tangential feeder (6), cyclone separator (7) and air-introduced machine；It is characterized by:
The feed duct (3) is horizontally disposed, and the feeder (2) is set to feed duct (3) top；The heat exchanger (1)
It is installed on the front end of feed duct (3)；The dry tube body (4) is vertically arranged, and has a diameter larger than the straight of feed duct (3)
Diameter, and the tapered contraction in its both ends；The lower end of the dry tube body (4) is connected to the rear end of feed duct (3)；The drying
Conveying pipeline (5) is in being horizontally disposed with, and front end is connected to the upper end of dry tube body (4), the feed end of rear end and tangential feeder (6)
Connection；The air outlet of the tangential feeder (6) is connected to by pipeline with the entrance of cyclone separator (7)；The air-introduced machine peace
On air-exhausting duct loaded on cyclone separator (7).
2. tubular type tobacco cut drying equipment according to claim 1, it is characterised in that: the dry tube body (4) is at least two
Root, and each dry tube body (4) is arranged in parallel, and connect by the drying conveying pipeline (5) of respective numbers head and the tail that form rectangle wavy.
3. tubular type tobacco cut drying equipment according to claim 1, it is characterised in that: on the dry conveying pipeline (5) at least
It is arranged one and mends wet humidification nozzle (8).
4. tubular type tobacco cut drying equipment according to claim 1, it is characterised in that: the dry tube body (4) and charging are defeated
The section area ratio for sending pipe (3) is 2~4:1.
5. tubular type tobacco cut drying equipment according to claim 1, it is characterised in that: the heat exchanger (1) is changed using fin
Hot device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821434679.5U CN208941029U (en) | 2018-09-03 | 2018-09-03 | A kind of tubular type tobacco cut drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821434679.5U CN208941029U (en) | 2018-09-03 | 2018-09-03 | A kind of tubular type tobacco cut drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208941029U true CN208941029U (en) | 2019-06-07 |
Family
ID=66736842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821434679.5U Active CN208941029U (en) | 2018-09-03 | 2018-09-03 | A kind of tubular type tobacco cut drying equipment |
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| Country | Link |
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| CN (1) | CN208941029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349398A (en) * | 2021-06-17 | 2021-09-07 | 厦门烟草工业有限责任公司 | Device and method for adjusting moisture content of tobacco material on line and tobacco processing production line |
-
2018
- 2018-09-03 CN CN201821434679.5U patent/CN208941029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349398A (en) * | 2021-06-17 | 2021-09-07 | 厦门烟草工业有限责任公司 | Device and method for adjusting moisture content of tobacco material on line and tobacco processing production line |
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