CN216568268U - Device for monitoring heat exchange efficiency of thin plate of cut tobacco dryer - Google Patents
Device for monitoring heat exchange efficiency of thin plate of cut tobacco dryer Download PDFInfo
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- CN216568268U CN216568268U CN202122695879.4U CN202122695879U CN216568268U CN 216568268 U CN216568268 U CN 216568268U CN 202122695879 U CN202122695879 U CN 202122695879U CN 216568268 U CN216568268 U CN 216568268U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 241000208125 Nicotiana Species 0.000 title abstract description 23
- 235000002637 Nicotiana tabacum Nutrition 0.000 title abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 102220567177 Ornithine decarboxylase antizyme 1_H73Y_mutation Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model provides a device for monitoring the heat exchange efficiency of thin plates of a cut-tobacco drier, which comprises the cut-tobacco drier, a steam pipeline and a condensed water drain pipeline, wherein the thin plates are arranged on the inner wall of the cut-tobacco drier, and a rotary joint is arranged on the cut-tobacco drier; the rotary joint is provided with an inner ring and an outer ring; an inlet of an outer ring of the rotary joint is connected with a steam pipeline, and an outlet of the rotary joint is connected with a condensed water drain pipeline; the inner ring of the rotary joint is connected with the thin plate; the steam pipeline is sequentially provided with a stop valve, a filter, a steam-water separator, a pressure gauge, a pressure sensor, a thermometer, a temperature sensor, a steam flowmeter, a pressure regulating valve and a membrane valve; according to the utility model, through multiple comparison of data recorded by the steam flowmeter and the hot water meter, whether a steam pipeline and a condensed water drain pipeline of the sheet of the cut tobacco dryer are smooth, whether parts of equipment run normally or not and whether the steam quality is good can be judged, so that the heat exchange efficiency of the whole sheet is monitored and evaluated.
Description
Technical Field
The utility model belongs to the technical field of cigarette equipment, and particularly relates to a device for monitoring the heat exchange efficiency of a thin plate of a cut tobacco dryer.
Background
The cut tobacco drier is key equipment on a cut tobacco production line of a cigarette factory and is used for drying and heat setting expanded cut tobacco. The working principle is that cut tobacco leaves are treated by an expander at high temperature and high humidity and then enter a tobacco shred drying machine, the tobacco shred drying machine adopts a composite drying technology, the tobacco leaves are rapidly heated and dried by three heating modes of conduction, radiation and forced convection (hot air), and a dust removal system rapidly discharges evaporated moisture and dust, so that the expansion state of the tobacco leaves is fixed, the filling value of the tobacco leaves is improved, and the required moisture content is achieved. When the tobacco shreds are baked by the shred baking machine, the green miscellaneous gas and part of free nicotine in the tobacco shreds (or the cut stems) escape along with the evaporation of water, so that the fragrance of the tobacco shreds (or the cut stems) is exposed, and the smoke smell is mellow. Wherein the thin plate of the cut-tobacco drier is the most direct and main drying mode, the heat exchange efficiency directly determines the drying efficiency of the cut-tobacco drier,
in the prior art, patent document CN205455999U provides a device for monitoring heat exchange capacity and hydrophobic state of a sheet of a tobacco shred drying machine, which is designed and installed with a condensed water weighing device and a water pump discharge metering device under a condensed water tank, and a pressure gauge is installed in front of a hydrophobic valve, and is combined with PLC program calculation, so as to realize real-time online monitoring of heat exchange capacity and hydrophobic state of the sheet of the tobacco shred drying machine, but by means of weighing, the device is required to be added, the cost of a production line is increased, meanwhile, dryness of steam is not measured, and the quality of steam cannot be judged, which directly affects the product quality.
Therefore, there is a need for a device for monitoring the heat exchange efficiency of thin plates of cut-tobacco drier, which not only reflects the heat exchange efficiency of thin plates directly, but also indirectly feeds back the steam quality, and at the same time guides the operation and maintenance personnel to pay attention to the working states of the corresponding equipment components.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for monitoring the heat exchange efficiency of thin plates of a cut-tobacco drier aiming at the defects in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a device for monitoring the heat exchange efficiency of thin plates of a cut-tobacco drier comprises the cut-tobacco drier, a steam pipeline and a condensed water drainage pipeline, wherein the thin plates are arranged on the inner wall of the cut-tobacco drier, and a rotary joint is arranged on the cut-tobacco drier; the rotary joint is provided with an inner ring and an outer ring; an inlet of an outer ring of the rotary joint is connected with a steam pipeline, and an outlet of the rotary joint is connected with a condensed water drain pipeline; the inner ring of the rotary joint is connected with the thin plate; the steam pipeline is sequentially provided with a stop valve, a filter, a steam-water separator, a pressure gauge, a pressure sensor, a thermometer, a temperature sensor, a steam flowmeter, a pressure regulating valve and a membrane valve; and the condensed water drain pipeline is sequentially provided with a filter, a drain valve, a sight glass, a one-way valve, a finned radiating tube and a hot water meter.
The outlet end of the steam-water separator is sequentially connected with a filter, a drain valve, a sight glass and a one-way valve through pipelines.
And a vacuum breaking device is arranged between the steam-water separator and the filter.
A ball valve is arranged between the pressure gauge and the steam pipeline; and a ball valve is arranged between the pressure sensor and the steam pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the steam flow meter is arranged on the steam pipeline of the thin plate, and is used for recording the real-time flow and the cumulant of steam when the thin plate is heated during normal production of the cut tobacco dryer, and the real-time flow, the cumulant data and the normal data are compared, so that whether the working states of parts such as stop valves, filters, membrane valves and the like on the steam pipeline for heating the thin plate and the pipeline are normal or not can be reflected in time at the moment, and the steam consumption of the thin plate can be monitored.
(2) The finned radiating tube and the hot water meter are arranged on the condensed water drain pipeline of the thin plate, and are used for recording the real-time flow and the cumulant of the condensed water discharged after the thin plate is heated, the working states of parts such as a drain valve, a filter, a one-way valve and the like on the condensed water drain pipeline and the pipeline after the thin plate is heated can be reflected in time whether to be normal or not through comparing the real-time flow, the cumulant and the data in normal state, and whether the steam dryness reaches the standard or not can be indirectly judged through the discharge of the condensed water, so that the steam quality is evaluated.
(3) According to the thin plate, the steam flow (accumulation) during heating and the flow (accumulation) of the heated condensed water can be directly compared, necessary loss is removed according to the law of conservation of energy and mass, if the loss is close to the loss, an alarm is given out, operation and maintenance personnel are prompted to check related pipelines and equipment parts, and faults are timely eliminated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Wherein, 1, a stop valve; 2, a filter; 3-a steam-water separator; 4-a pressure gauge; 5-ball valve; 6-a pressure sensor; 7-temperature meter; 8-a temperature sensor; 9-a steam flow meter; 10-pressure regulating valve; 11-a membrane valve; 12-a swivel; 13-a drum; 14-a thin plate; 15-a trap; 16-sight glass; 17-a one-way valve; 18-finned radiating pipes; 19-hot water meter; and 20, breaking the vacuum.
Detailed Description
The utility model will be further described with reference to examples of embodiments shown in the drawings.
As shown in the attached figure 1, the utility model comprises a cut-tobacco drier, a steam pipeline and a condensed water drain pipeline, wherein a thin plate 14 is arranged on the inner wall of the cut-tobacco drier, the thin plate 14 rotates along with the cut-tobacco drier, and a rotary joint 12 is arranged on the cut-tobacco drier; the rotary joint 12 is provided with an inner ring and an outer ring, the outer ring is fixed, and the inner ring rotates along with the thin plate 14; an inlet of an outer ring of the rotary joint 12 is connected with a steam pipeline, the steam pipeline is used for providing steam for the thin plate 14, an outlet of the steam pipeline is connected with a condensed water drain pipeline, and the condensed water drain pipeline is used for recovering condensed water discharged after heating; the inner ring of the rotary joint 12 is connected to the thin plate 14.
The steam pipeline is sequentially provided with a stop valve 1, a filter 2, a steam-water separator 3, a pressure gauge 4, a pressure sensor 6, a thermometer 7, a temperature sensor 8, a steam flowmeter 9, a pressure regulating valve 10 and a membrane valve 11; the steam flowmeter 9 is used for recording the real-time flow and accumulation of steam during heating of the thin plate; the model of the stop valve 1 is SPIRAXSARCO BSA1T/DN40/PN16, the model of the filter 2 is SPIRAXSARCO FIG33/DN40/PN16, the model of the catch water 3 is SPIRAXSARCO S13/DN40/PN16, the model of the pressure gauge 4 is Shanghai Sachhizu YTN-100ZT 0-1.0MPa/M20X1.5, the model of the pressure sensor 6 is E + H PMD75-ANA7C112AAU/PROFIBUS PA, the model of the LCD thermometer 7 is WSS-401/measuring range of Shanghai automatic instrument three factories, 0-300 ℃, the model of the temperature sensor TR 8 is E + H10-ABD 3BGSFB 3000/interface M20X1.5, L =250, -50-400 ℃, the model of the temperature sensor TR 8 is FIBUS-PA, the model of the steam flowmeter is E + H73F 40-SE4AA1AEA 6/SASFB 3000/interface M20X1.5, the model of the temperature sensor TR 8 is E + H2 SARCO 3726/PN 35/PN 19, the model of the steam flowmeter is E + H4631-PN 19, the model of the steam flowmeter is SPIRAX 639/PN 35-PN 19/PN 19, the model of the pressure gauge 3719-SON PN 19/PN 19-PN 19, the model of the pressure regulating valve is SNP 3719/PN 19, the model of the pressure gauge 35 cm 3719/PN 19, and the pressure gauge 35 cm 8219/PN 19 is SNP 19, the model of the SPIRDP 19/PN 35, and the model of the SPIRSPIRSPIRSPIRSPIRDP 19/PN 35/PN 19/PN 35, the model of the SPIRDP 19/PN 35.
The condensed water drain pipeline is sequentially provided with a filter 2, a drain valve 15, a sight glass 16, a one-way valve 17, a finned radiating pipe 18 and a hot water meter 19; the hot water meter 19 is used for recording the real-time flow and accumulation of the condensate water discharged after the thin plate is heated; the type of the drain valve 15 is SPIRAXSARCO FT14-C-4.5/DN40/PN16, the type of the sight glass 16 is SPIRAXSARCO SG253/DN40/PN16, the type of the one-way valve 17 is SPIRAXSARCO DCV3/DN40/PN40, the type of the finned radiating pipe 18 is DN40, and the type of the hot water meter 19 is DP-Dynamic horizontal detachable water meter with spiral wings.
The outlet end of the steam-water separator 3 is connected with the filter 2, the drain valve 15, the sight glass 16 and the one-way valve 17 in sequence through pipelines.
A vacuum breaker 20 is arranged between the steam-water separator 3 and the filter 2, the vacuum breaker 20 is SPIRAXSARCO VB14/1/2/BSP, and is used for preventing the pipeline from being closed and the condensed water from being discharged.
A ball valve 5 is arranged between the pressure gauge 4 and the steam pipeline; a ball valve 5 is arranged between the pressure sensor 6 and the steam pipeline, and the model of the ball valve 5 is SPIRAXSARCO 1/4 BSP.
When the steam generator is used, 0.8-1.0 Mpa steam provided by an energy center sequentially passes through the stop valve 1, the filter 2 and the steam-water separator 3, is divided into two paths after passing through the steam-water separator 3, and respectively enters the outer ring of the rotary joint 12 after passing through the steam flowmeter 9, the pressure regulating valve 10 and the membrane valve 11.
And then the inner ring of the rotary joint 12 is conveyed to two areas of the thin plate 14 on the inner wall of the cut tobacco dryer, the two areas of the thin plate 14 are heated respectively, the thin plate 14 rotates along with the cut tobacco dryer, the thin plate 14 reaching a certain temperature directly contacts with cut tobacco, the cut tobacco is heated and dried, and after heat exchange is carried out, condensed water formed by steam passes through a condensed water drain pipeline on the outer ring of the rotary joint 12, a filter 2, a drain valve 15, a sight glass 16, a one-way valve 17, a finned radiating pipe 18 and a hot water meter 19 and then is collected into a condensed water recovery tank in a centralized mode.
The finned radiating pipe 18 is arranged at the front end of the hot water meter 19, and can cool condensed water (containing steam-water mixture) in a pipeline, so that the record of the hot water meter 19 is more accurate.
Under normal production condition, the temperature of sheet metal 14 of cut-tobacco drier is 130 ℃, the steam flow of sheet metal 14 import is that the fixed value is A, the condensate water flow of condensate water drain pipe is also the fixed value, for B, the steam flow actual value that steam flowmeter 9 recorded on the steam conduit of sheet metal 14 import department is A1, the condensate water flow actual value that hot-water meter 19 on the condensate water drain pipe recorded is B1, carry out multiple comparison through the data of steam flowmeter 9 and hot-water meter 19 record, can judge the steam conduit of cut-tobacco drier sheet metal, whether the condensate water drain pipe is unobstructed, whether each equipment spare part operation is normal, whether the steam quality is good, thereby monitor and evaluate whole sheet metal heat exchange efficiency, the concrete judgement condition is as follows:
the steam quality can be judged by the sequence number 2 and the sequence number 6 in the table, when the actual flow of condensed water is larger than a normal value, the inlet steam contains more water, the water content is high, the dryness state is not good, and the steam quality is not high, so that whether the dryness of the steam reaches the standard can be indirectly judged.
The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (4)
1. The utility model provides a device for monitoring cut-tobacco drier sheet metal heat exchange efficiency, includes cut-tobacco drier, steam conduit, the hydrophobic pipeline of comdenstion water, is equipped with sheet metal (14) on the cut-tobacco drier inner wall, its characterized in that: a rotary joint (12) is arranged on the cut-tobacco drier; the rotary joint (12) is provided with an inner ring and an outer ring; an inlet of an outer ring of the rotary joint (12) is connected with a steam pipeline, and an outlet of the rotary joint is connected with a condensed water drain pipeline; the inner ring of the rotary joint (12) is connected with a thin plate (14);
the steam pipeline is sequentially provided with a stop valve (1), a filter (2), a steam-water separator (3), a pressure gauge (4), a pressure sensor (6), a thermometer (7), a temperature sensor (8), a steam flowmeter (9), a pressure regulating valve (10) and a membrane valve (11);
the condensed water drain pipeline is sequentially provided with a filter (2), a drain valve (15), a sight glass (16), a one-way valve (17), a fin type radiating pipe (18) and a hot water meter (19).
2. An apparatus for monitoring heat exchange efficiency in a sheet of a cut-tobacco dryer according to claim 1, wherein: the outlet end of the steam-water separator (3) is sequentially connected with the filter (2), the drain valve (15), the sight glass (16) and the one-way valve (17) through pipelines.
3. An apparatus for monitoring heat exchange efficiency in a sheet of a cut-tobacco dryer according to claim 2, wherein: a vacuum breaking device (20) is arranged between the steam-water separator (3) and the filter (2).
4. An apparatus for monitoring heat exchange efficiency in a sheet of a cut-tobacco dryer according to claim 2, wherein: a ball valve (5) is arranged between the pressure gauge (4) and the steam pipeline; and a ball valve (5) is arranged between the pressure sensor (6) and the steam pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695879.4U CN216568268U (en) | 2021-11-05 | 2021-11-05 | Device for monitoring heat exchange efficiency of thin plate of cut tobacco dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695879.4U CN216568268U (en) | 2021-11-05 | 2021-11-05 | Device for monitoring heat exchange efficiency of thin plate of cut tobacco dryer |
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| CN216568268U true CN216568268U (en) | 2022-05-24 |
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| CN202122695879.4U Active CN216568268U (en) | 2021-11-05 | 2021-11-05 | Device for monitoring heat exchange efficiency of thin plate of cut tobacco dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115237184A (en) * | 2022-07-01 | 2022-10-25 | 张家口卷烟厂有限责任公司 | Intelligent judgment method for state of sheet cut tobacco drying equipment based on energy balance |
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2021
- 2021-11-05 CN CN202122695879.4U patent/CN216568268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115237184A (en) * | 2022-07-01 | 2022-10-25 | 张家口卷烟厂有限责任公司 | Intelligent judgment method for state of sheet cut tobacco drying equipment based on energy balance |
| CN115237184B (en) * | 2022-07-01 | 2023-09-26 | 张家口卷烟厂有限责任公司 | Intelligent judging method for state of thin plate wire drying equipment based on energy balance |
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