CN211983755U - Novel steam drying device - Google Patents
Novel steam drying device Download PDFInfo
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- CN211983755U CN211983755U CN202020278074.2U CN202020278074U CN211983755U CN 211983755 U CN211983755 U CN 211983755U CN 202020278074 U CN202020278074 U CN 202020278074U CN 211983755 U CN211983755 U CN 211983755U
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- 238000001035 drying Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 5
- 241000208125 Nicotiana Species 0.000 abstract description 11
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008676 import Effects 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000764 concentration modulated absorption spectroscopy Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a novel steam drying device belongs to cigarette machine equipment technical field, novel steam drying device include the box, be provided with plate heat exchanger in the box, be provided with wet steam air inlet and heat exchanger air inlet on the box lateral wall respectively, the box top is provided with the dry steam gas outlet, the bottom is provided with comdenstion water discharge port and heat exchanger gas outlet respectively, plate heat exchanger top import is connected with the heat exchanger air inlet, plate heat exchanger bottom export is connected with the heat exchanger gas outlet, it separates to set up the baffle between wet steam air inlet and the plate heat exchanger, leave the clearance that is used for the steam circulation between baffle bottom and the box bottom surface. The utility model discloses can ensure that the steam that gets into the cylinder equipment keeps in a relatively stable moisture content scope, it is required to satisfy equipment production, finally solve because of the unstable tobacco leaf that leads to of steam moisture content heats, the undulant great problem of humidification.
Description
Technical Field
The utility model relates to a tobacco machinery technical field, concretely relates to novel steam drying device.
Background
At present, leaf wetting machines and feeding machines (Italy COMAS equipment) used in workshops all realize the heating and humidifying effects of tobacco leaves by means of contact of steam and the tobacco leaves, wherein a steam source is theoretical saturated wet steam of about 10bar supplied by a power department, the steam source is transported to each leaf wetting machine and feeding machine of different production lines of the workshops through pipelines, the steam source enters a servo control cabinet of the equipment after passing through a main steam stop valve, a plate-type steam-water separator is adopted to separate large-particle water drops contained in the steam, the required working pressure is reduced through a pressure reducing valve, the steam is transported to each steam using point of the leaf wetting and feeding equipment through a pipeline, but in the pipeline transportation process, even if the conditioned pipeline is subjected to heat insulation layer treatment, the heat loss cannot be avoided, and the pipeline is longer and the loss is more, so that the steam in the pipeline generates condensed water again, and more condensed water is generated by the steam transported by the pipeline, the water-steam separator can not completely and effectively separate condensed water, the problem is more prominent when the ambient temperature of a workshop is lower in cold seasons, the water content in steam is irregularly changed, the water content in the steam can not be visually judged, the tobacco leaves are heated and the humidification fluctuation is larger, in addition, 4bar steam is directly sprayed through a pipeline around DN20 to enter a moistening roller and a charging roller in the prior art, the steam spraying process is not expanded before entering the roller, the steam flow rate is higher and is in a bundle shape, the problem of high-temperature heating of the tobacco leaves contacting with steam bundles can be caused, the problems of heating and uneven humidification can be caused, the process control requirements can not be met in serious cases, and the product quality is seriously influenced.
Therefore, an automatic control steam drying device is needed to be designed, steam entering the roller equipment is kept in a relatively stable moisture-containing range, the flow rate of the introduced steam is reduced, the steam can uniformly and effectively contact tobacco leaves, the production requirement of the equipment is met, and the problems of temperature rise and large humidification fluctuation of the tobacco leaves caused by unstable moisture content of the steam are finally solved.
Disclosure of Invention
To the problem that exists in the background art, the utility model provides a novel steam drying device, the plate heat exchanger who adopts high-pressure hot steam to be the medium adds hot drying to the higher steam of moisture content and handles, wet steam passes through the dilatation in the device, the step-down, slow down, process such as flash distillation back, with plate heat exchanger surface collision, the friction, the dry steam that obtains after the heat exchange gets into cylinder equipment, the steam that ensures to get into cylinder equipment keeps in a relatively stable moisture content scope, it is required to satisfy equipment production, finally solve because of the unstable tobacco leaf that leads to of steam moisture content heats, the undulant great problem of humidification.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
novel steam drying device include the box, be provided with plate heat exchanger in the box, be provided with wet steam air inlet and heat exchanger air inlet on the box lateral wall respectively, the box top is provided with the dry steam gas outlet, the bottom is provided with comdenstion water discharge port and heat exchanger gas outlet respectively, plate heat exchanger top import is connected with the heat exchanger air inlet, plate heat exchanger bottom export is connected with the heat exchanger gas outlet, it separates to set up the baffle between wet steam air inlet and the plate heat exchanger, leaves the clearance that is used for the steam circulation between baffle bottom and the bottom box face.
Preferably, the device also comprises a magnetic turning plate liquid level meter, and the water inlet end of the magnetic turning plate liquid level meter is connected with a condensed water discharge port.
Preferably, the heat exchanger further comprises a pneumatic film valve and a PCL control cabinet, the pneumatic film valve is installed on an air inlet of the heat exchanger, an upper liquid level sensor and a lower liquid level sensor are arranged on the magnetic turning plate liquid level meter, the upper liquid level sensor and the lower liquid level sensor are connected with the input end of the PCL control cabinet, and the pneumatic film valve is connected with the output end of the PCL control cabinet.
Preferably, the position that the comdenstion water discharge port set up is located baffle front side bottom, and the bottom surface sets up the slope in the box, and the low point is comdenstion water discharge port one side.
Preferably, a thickening plate is arranged at the position of the baffle opposite to the steam inlet.
Preferably, the outlet at the bottom of the plate heat exchanger is connected with the air outlet of the heat exchanger through an expansion joint.
Preferably, the outer side of the box body is wrapped with a heat insulation layer.
The utility model has the advantages that:
the utility model discloses a plate heat exchanger that high-pressure hot steam is the medium adds thermal drying to the higher steam of moisture content and handles, wet steam passes through the dilatation in the device, step-down, slow down, process such as flash distillation, with plate heat exchanger surface collision, friction, the dry steam that obtains after the heat exchange gets into cylinder equipment, the steam of ensureing to get into cylinder equipment keeps in a relatively stable moisture content scope, it is required to satisfy equipment production, the final solution heats because of the tobacco leaf that steam moisture content is unstable leads to, the undulant great problem of humidification.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-condensate water discharge port, 2-magnetic flap level gauge, 3-upper level sensor, 4-lower level sensor, 5-box, 6-wet steam inlet, 7-baffle, 8-dry steam outlet, 9-pneumatic membrane valve, 10-heat exchanger inlet, 11-plate heat exchanger, 12-expansion joint, 13-heat exchanger outlet, 14-PCL control cabinet, 15-thickening plate, and 16-thermal insulation layer.
Detailed Description
In order to make the technical solution and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1, the novel steam drying device comprises a box body 5, a plate heat exchanger 11 is arranged in the box body 5, a wet steam air inlet 6 and a heat exchanger air inlet 10 are respectively arranged on the side wall of the box body 5, a dry steam air outlet 8 is arranged at the top of the box body 5, a condensate water discharge port 1 and a heat exchanger air outlet 13 are respectively arranged at the bottom of the box body, an inlet at the top of the plate heat exchanger 11 is connected with the heat exchanger air inlet 10, an outlet at the bottom of the plate heat exchanger 11 is connected with the heat exchanger air outlet 13, a baffle 7 is arranged between the wet steam air inlet 6 and the plate heat exchanger 11 for separation. In the production process, wet steam is introduced through a wet steam inlet 6 to collide with a baffle 7, large-particle water drops in the steam are condensed and concentrated, then the water drops enter a part of a plate heat exchanger 11 through a gap at the bottom of the baffle 7, the wet steam is subjected to processes such as expansion, depressurization, deceleration and flash evaporation in a box body 5 and then collides with the surface of the plate heat exchanger 11, friction and heat exchange are carried out, the plate heat exchanger 11 adopts high-pressure hot steam as a medium, steam with higher water content can be effectively heated and dried, finally obtained dry steam enters roller equipment, the steam entering the roller equipment is ensured to be kept in a relatively stable water-containing range, the requirement of equipment production is met, and the problems of tobacco leaf heating and humidification fluctuation caused by unstable steam water content are finally solved.
The utility model discloses still include magnetism and turn over board level gauge 2, magnetism turns over board level gauge 2 and intakes the end and is connected with condensate water discharge port 1, and the comdenstion water that produces in the box 5 passes through condensate water discharge port 1 and gets into magnetism and turn over in board level gauge 2, is convenient for can judge the water content in the steam directly perceivedly through range estimation liquid level display. Meanwhile, a pneumatic film valve 9 and a PCL control cabinet 14 are further arranged, the pneumatic film valve 9 is installed on a heat exchanger air inlet 10, an upper liquid level sensor 3 and a lower liquid level sensor 4 are arranged on the magnetic turning plate liquid level meter 2, the upper liquid level sensor 3 and the lower liquid level sensor 4 are connected with the input end of the PCL control cabinet 14, and the pneumatic film valve 9 is connected with the output end of the PCL control cabinet 14. When the condensate water liquid level reached level sensor 3, it was higher to show the water content in the steam, and level sensor 3 sent the signal to PCL switch board 14 this moment, and PCL switch board 14 control increases the aperture of pneumatic membrane valve 9, increases the high-pressure steam volume that gets into plate heat exchanger 11 to promote dry thermal efficiency and fall, the low cylinder steam water content that gets into promptly. And if the condensate water level is reduced to the lower liquid level sensor 4, which indicates that the water content in the steam is low, the lower liquid level sensor 4 feeds back a signal to the PCL control cabinet 14, the PCL control cabinet 14 controls the action to reduce the opening of the pneumatic membrane valve 9, and the high-pressure steam amount entering the plate heat exchanger 11 is reduced, so that the drying thermal efficiency is reduced, namely, the water content of the steam entering the roller is increased. Simultaneously, the position that comdenstion water discharge port 1 set up is located 7 front side bottoms of baffle, for corresponding the comdenstion water yield and the 7 front side positions of baffle that concentrate set up most, and the comdenstion water of being convenient for is discharged, and the bottom surface sets up the slope in the box 5, and the low point is comdenstion water discharge port 1 one side, and the comdenstion water of being convenient for concentrates on comdenstion water discharge port 1 in the box 5, is convenient for discharge.
The outer side of the box body 5 is wrapped with the heat insulation layer 16, so that the heat insulation performance of the box body 5 can be improved, and the heat loss of steam is reduced. The baffle 7 is provided with the thickening plate 15 just to the position of steam air inlet 6 for bear the most impact of steam air inlet 6, can reduce the baffle deformation condition that the steam impact leads to, effectively prolong the life of baffle 7, wherein, the thickening plate 15 is preferably circular, with be circular entering steam and restraint the matching, and thickening plate 15 adopts the screw installation fixed, convenient to detach change.
An outlet at the bottom of the plate heat exchanger 11 is connected with a heat exchanger air outlet 13 through an expansion joint 12, and the expansion deformation condition of a pipeline of the plate heat exchanger 11 caused by heating is effectively compensated and absorbed through the expansion joint 12.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. A novel steam drying device is characterized in that: the steam heat exchanger comprises a box body (5), a plate type heat exchanger (11) is arranged in the box body (5), a wet steam air inlet (6) and a heat exchanger air inlet (10) are respectively arranged on the side wall of the box body (5), a dry steam air outlet (8) is arranged at the top of the box body (5), a condensate water discharge port (1) and a heat exchanger air outlet (13) are respectively arranged at the bottom of the box body (5), an inlet at the top of the plate type heat exchanger (11) is connected with the heat exchanger air inlet (10), an outlet at the bottom of the plate type heat exchanger (11) is connected with the heat exchanger air outlet (13), a baffle (7) is arranged between the wet steam air inlet (6) and the plate type heat exchanger (.
2. The novel steam drying unit of claim 1, wherein: the device also comprises a magnetic turning plate liquid level meter (2), wherein the water inlet end of the magnetic turning plate liquid level meter (2) is connected with a condensed water discharge port (1).
3. The novel steam drying device of claim 1 or 2, characterized in that: the heat exchanger liquid level meter is characterized by further comprising a pneumatic film valve (9) and a PCL control cabinet (14), the pneumatic film valve (9) is installed on a heat exchanger air inlet (10), an upper liquid level sensor (3) and a lower liquid level sensor (4) are arranged on the magnetic turning plate liquid level meter (2), the upper liquid level sensor (3) and the lower liquid level sensor (4) are connected with the input end of the PCL control cabinet (14), and the pneumatic film valve (9) is connected with the output end of the PCL control cabinet (14).
4. A novel steam drying apparatus according to claim 3, characterized in that: the position that comdenstion water discharge port (1) set up is located baffle (7) front side bottom, and the bottom surface sets up the slope in box (5), and the low point is comdenstion water discharge port (1) one side.
5. The new steam drying device according to claim 1, 2 or 4, characterized in that: a thickening plate (15) is arranged at the position of the baffle (7) opposite to the steam inlet (6).
6. The novel steam drying unit of claim 5, wherein: an outlet at the bottom of the plate heat exchanger (11) is connected with an air outlet (13) of the heat exchanger through an expansion joint (12).
7. The novel steam drying unit of claim 1, wherein: the outer side of the box body (5) is wrapped with a heat insulation layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278074.2U CN211983755U (en) | 2020-03-09 | 2020-03-09 | Novel steam drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278074.2U CN211983755U (en) | 2020-03-09 | 2020-03-09 | Novel steam drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211983755U true CN211983755U (en) | 2020-11-24 |
Family
ID=73432909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020278074.2U Active CN211983755U (en) | 2020-03-09 | 2020-03-09 | Novel steam drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211983755U (en) |
-
2020
- 2020-03-09 CN CN202020278074.2U patent/CN211983755U/en active Active
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