CN211185829U - Heat exchange device for cut tobacco moisture regain drum - Google Patents
Heat exchange device for cut tobacco moisture regain drum Download PDFInfo
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- CN211185829U CN211185829U CN201920628975.7U CN201920628975U CN211185829U CN 211185829 U CN211185829 U CN 211185829U CN 201920628975 U CN201920628975 U CN 201920628975U CN 211185829 U CN211185829 U CN 211185829U
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Abstract
The utility model provides a tobacco shred heat transfer device for dampening cylinder, includes dampening cylinder barrel and circulation wind channel, the circulation wind channel includes first circulation wind channel and second circulation wind channel, the one end and the dampening cylinder barrel intercommunication in first circulation wind channel, the other end and the entry intercommunication in the circulation wind channel of a heat exchanger, the export in the circulation wind channel of heat exchanger and the one end intercommunication in second circulation wind channel, the other end in second circulation wind channel with dampening cylinder barrel intercommunication, the hot-blast import of heat exchanger is through supplying steam pipeline and a steam supply mouth intercommunication of steam supply device, the cooling air export and the drain pipe intercommunication of heat exchanger. The utility model discloses heating the circulating hot air in the circulating air duct by the heater, this part heat accessible circulating hot air heating pipe tobacco when not increasing the humidification volume, improves pipe tobacco exit temperature and can reach 70 ℃ (before the row tide).
Description
Technical Field
The utility model relates to a leaf silk conditioning heat transfer device for cylinder belongs to tobacco equipment technical field.
Background
As shown in fig. 1, the drum-type cut tobacco moisture regaining machine is one of the main equipments in the direct moisture regaining system of the tobacco cut tobacco production line, and is used before HXD (non-direct-fired cut tobacco dryer) or other cut tobacco drying equipments in the cut tobacco production line, to increase the moisture and temperature of the cut tobacco, so that it meets the technological requirements of the expansion function of the cut tobacco drying equipments. It features good moisture regaining effect, stable control of temp. and water content and less broken pieces. The working principle of the drum-type cut tobacco conditioning machine is as follows: the cut tobacco shreds are fed into a moisture regaining roller through a feeding vibration groove, loosened, remoistened, heated and continuously discharged through the moisture regaining roller, the cut tobacco shreds are conveyed in the moisture regaining roller in a turning way and are moistened and heated by steam-water mixed mist steam flow injected by forward hot air, steam flow and steam at a feeding end, so that the tobacco shreds are softened, and the cut tobacco shreds flow to a next process after the temperature and the humidity meet the process requirements of making the cut tobacco shreds.
The utility model discloses a utility model is CN203828043U discloses a drum-type shredded tobacco moisture regain machine, including the barrel of the upper end installation of frame, the both ends of barrel are equipped with feeding cover and ejection of compact cover to and the circulation wind channel that upper portion set up, ejection of compact cover in be equipped with and filter cleaning device, the circulation wind channel on be equipped with axial fan, the circulation wind channel on connect and be equipped with the Y-pipe.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a heat exchange device for a cut tobacco moisture regain roller.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a tobacco shred heat transfer device for dampening cylinder, includes dampening cylinder barrel and circulation wind channel, the circulation wind channel includes first circulation wind channel and second circulation wind channel, the one end and the dampening cylinder barrel intercommunication in first circulation wind channel, the other end and the entry intercommunication in the circulation wind channel of a heat exchanger, the export in the circulation wind channel of heat exchanger and the one end intercommunication in second circulation wind channel, the other end in second circulation wind channel with dampening cylinder barrel intercommunication, the hot-blast import of heat exchanger is through supplying steam pipeline and a steam supply mouth intercommunication of steam supply device, the cooling air export and the drain pipe intercommunication of heat exchanger.
The preferable technical scheme is as follows: the heat exchanger is a spiral finned tube heater.
The preferable technical scheme is as follows: and a steam control valve group is arranged on the steam supply pipeline.
The preferable technical scheme is as follows: the steam control valve group comprises a stop valve and a filter.
The preferable technical scheme is as follows: be equipped with the trap valve group on the drain pipe, this trap valve group includes stop valve, filter, trap valve and check valve.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
the utility model discloses heating the circulating hot air in the circulating air duct by the heater, this part heat accessible circulating hot air heating pipe tobacco when not increasing the humidification volume, improves pipe tobacco exit temperature and can reach 70 ℃ (before the row tide).
Drawings
Fig. 1 is a schematic diagram of the prior art.
Fig. 2 is a schematic view of the present invention.
FIG. 3 is a schematic view of a heat exchange apparatus.
In the attached drawings, 1, a dampening roller body; 2. a circulating air duct; 3. a heat exchanger; 4. a drain valve bank; 5. a steam control valve group.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The utility model provides a tobacco shred heat transfer device for dampening cylinder, includes dampening cylinder barrel 1 and circulation wind channel 2, the circulation wind channel includes first circulation wind channel and second circulation wind channel, the one end and the dampening cylinder barrel intercommunication in first circulation wind channel, the other end and the entry intercommunication in the circulation wind channel of a heat exchanger 3, the export in the circulation wind channel of heat exchanger and the one end intercommunication in second circulation wind channel, the other end in second circulation wind channel with dampening cylinder barrel intercommunication, the hot-blast import of heat exchanger is through supplying steam pipeline and a steam supply mouth intercommunication of steam supply device, the cooling air outlet and the drain pipe intercommunication of heat exchanger.
The preferred embodiment is: the heat exchanger is a spiral finned tube heater.
The preferred embodiment is: and a steam control valve group is arranged on the steam supply pipeline.
The preferred embodiment is: the steam control valve group 5 comprises a stop valve and a filter.
The preferred embodiment is: be equipped with trap valve group 4 on the drain pipe, this trap valve group includes stop valve, filter, trap and check valve.
A heat exchanger is additionally arranged in front of a fan of a hot air recirculation pipe of the damping machine, the heating quantity of the heat exchanger is 50KW, namely the heating quantity of 50KW is changed from direct steam injection to indirect heating.
As can be seen from the above table, when the external heating amount reaches 50KW, the tobacco shreds are heated by the circulating hot air, the internal heating amount is reduced, the humidification amount can be controlled, and the temperature of the tobacco shreds at the outlet can reach 70 ℃ (before moisture is discharged).
② the heater uses steam as a heat source, the amount of heated steam is adjusted by an adjusting valve with the outlet temperature of the circulating hot air as a control target.
③ the control mode of the damping machine is not changed, and the parameters are adjusted according to the actual situation.
The ④ heater is a spiral fin tube heater and is made of stainless steel.
In embodiment 1, steam before pressure reduction is used as a heat source and connected to a heater steam port, and a steam pipeline is provided with a stop valve, a filter, a regulating valve, and the like. 2. The condensed water outlet of the heater is provided with a stop valve, a filter, a drain valve, a check valve and the like. 3. The heater and the short section are arranged on an original hot air circulating pipeline to replace an original straight pipe section in front of the fan. 4. The original temperature sensor on the straight pipe section is kept (the original equipment displays). 5. And a temperature sensor PT100 is additionally arranged in front of and behind the heater. 6. The bridge frame at the upper part of the circulating pipe is erected according to the actual situation. 7. And the steam pipeline and the condensed water pipeline are used for heat preservation. 8. The heater is supported and reinforced according to the field condition.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a leaf silk heat transfer device for dampening cylinder, includes dampening cylinder barrel and circulation wind channel, its characterized in that: the circulating air duct comprises a first circulating air duct and a second circulating air duct, one end of the first circulating air duct is communicated with the moisture regaining roller barrel, the other end of the first circulating air duct is communicated with an inlet of the circulating air duct of a heat exchanger, an outlet of the circulating air duct of the heat exchanger is communicated with one end of the second circulating air duct, the other end of the second circulating air duct is communicated with the moisture regaining roller barrel, a hot air inlet of the heat exchanger is communicated with a steam supply port of a steam supply device through a steam supply pipeline, and a cooling air outlet of the heat exchanger is communicated with a water discharge pipe.
2. The heat exchange device for the cut tobacco dampening roller according to claim 1, characterized in that: the heat exchanger is a spiral finned tube heater.
3. The heat exchange device for the cut tobacco dampening roller according to claim 1, characterized in that: and a steam control valve group is arranged on the steam supply pipeline.
4. The heat exchange device for the cut tobacco dampening roller according to claim 3, characterized in that: the steam control valve group comprises a stop valve and a filter.
5. The heat exchange device for the cut tobacco dampening roller according to claim 1, characterized in that: be equipped with the trap valve group on the drain pipe, this trap valve group includes stop valve, filter, trap valve and check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628975.7U CN211185829U (en) | 2019-05-05 | 2019-05-05 | Heat exchange device for cut tobacco moisture regain drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628975.7U CN211185829U (en) | 2019-05-05 | 2019-05-05 | Heat exchange device for cut tobacco moisture regain drum |
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| Publication Number | Publication Date |
|---|---|
| CN211185829U true CN211185829U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920628975.7U Active CN211185829U (en) | 2019-05-05 | 2019-05-05 | Heat exchange device for cut tobacco moisture regain drum |
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| CN (1) | CN211185829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462551A (en) * | 2021-06-10 | 2022-12-13 | 贵州中烟工业有限责任公司 | Moisture adjusting device and method for tobacco shred damping machine and tobacco shred damping machine |
-
2019
- 2019-05-05 CN CN201920628975.7U patent/CN211185829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462551A (en) * | 2021-06-10 | 2022-12-13 | 贵州中烟工业有限责任公司 | Moisture adjusting device and method for tobacco shred damping machine and tobacco shred damping machine |
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