CN112998305B - Tobacco throwing line steam quality hoisting device - Google Patents
Tobacco throwing line steam quality hoisting device Download PDFInfo
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- CN112998305B CN112998305B CN202110371021.4A CN202110371021A CN112998305B CN 112998305 B CN112998305 B CN 112998305B CN 202110371021 A CN202110371021 A CN 202110371021A CN 112998305 B CN112998305 B CN 112998305B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
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Abstract
The invention discloses a steam quality improving device for a tobacco shred making line, which relates to the technical field of tobacco shred making steam treatment equipment, in particular to a steam quality improving device for a tobacco shred making line, comprising: a first valve, a steam trap, a water reservoir, a bypass sight glass and a second valve; the steam trap is used for separating the moisture in the steam, and the moisture in the steam is discharged through the first valve and the second valve, so that the quality of the steam in the main steam pipeline reaching the steam consuming equipment is ensured. The invention is provided with the controller, and the controller controls the opening and closing of the first valve and the second valve according to the liquid level height of the water storage device, thereby saving time and labor. The steam-water separation device is also provided with a third valve for switching the circulation state of the main steam pipeline, when the steam humidity in the main steam pipeline meets the preset condition, the steam in the main steam pipeline is sent into the equipment, and when the steam humidity in the main steam pipeline does not meet the preset condition, the steam is stopped being sent into the equipment, and the water separation state is started.
Description
Technical Field
The invention relates to the technical field of tobacco shred processing steam treatment equipment, in particular to a tobacco shred processing steam quality improving device.
Background
On a tobacco shred manufacturing line, steam not only serves as a heat source, but also serves as a medium, the steam is used in a plurality of shred manufacturing procedures, such as vacuum moisture regain, loosening moisture regain, feeding, leaf moistening, sheet shred drying, pipeline shred drying and the like, dry steam characteristics are clear in the heat dynamic profession, and as industrial steam, only steam at an outlet of a boiler is saturated steam and is conveyed to a heat consumption place through a steam conveying pipeline, the steam is often wet steam, except that heat energy is provided for heating materials, water flow of the steam can also participate in humidification, moisture of the materials processed by a control system is influenced, and further taste absorption of tobacco flakes or tobacco shreds is influenced.
Because the regional dimension and weather are different, the steam conveying pipelines of different production lines in different regions have different influences on the conveyed steam saturation, although most enterprises adopt the steam distributing cylinder additionally arranged in front of steam using equipment, the influence on the production caused by the steam saturation difference can not be eliminated, and the steam separating device in the prior art cannot well solve the problem due to various reasons; particularly, when steam is fed again at intervals of a certain time period after steam feeding is stopped, a large amount of condensed water accumulated in the steam pipeline of the wire making line has a great influence on production quality, and even if long-time discharge is carried out before starting, the influence is still great during first normal production, and sometimes even production cannot be carried out.
Disclosure of Invention
The invention provides a steam quality improving device for a tobacco shred manufacturing line, which is used for solving the problem that steam for drying tobacco shreds in the prior art contains condensed water.
The invention adopts the following technical scheme:
a tobacco cut line steam quality enhancement device, comprising: a first valve, a steam trap, a water reservoir, a bypass sight glass and a second valve;
the water storage device is provided with a water inlet and a water outlet;
the first valve and the second valve are both two-position two-way valves;
the first valve first end is communicated with an air supply pipeline of a main steam pipeline, the first steam trap first end is communicated with the first valve second end, the second steam trap second end is communicated with the water receiver water inlet, the bypass observation window first end is communicated with the water receiver water inlet, the bypass observation window second end is communicated with the water receiver water outlet, and the water receiver water outlet is communicated with the second valve first end.
Further, still include the control unit, the control unit includes: the water level sensor is used for acquiring the liquid level height inside the water receiver, the controller is used for controlling the opening and closing of the first valve and the second valve according to the liquid level height inside the water receiver, and the first valve, the second valve and the liquid level sensor are respectively and electrically connected with the controller.
Further, still include: and the third valve is a two-position three-way valve, the first end of the third valve is communicated with the steam delivery pipeline of the steam main pipeline, the second end of the third valve is communicated with the steam branch pipeline, and the third end of the third valve is communicated with the steam return pipeline of the steam main pipeline.
Further, the control unit further includes: the controller is also used for controlling the communication state of the steam main pipeline and the steam branch pipeline by controlling the third valve according to the humidity signal of the main pipeline, and the humidity sensor and the third valve are respectively electrically connected with the controller.
Further, still include the fourth valve, fourth valve one end communicates with steam main line, the fourth valve other end with the water receiver water inlet communicates, the water receiver includes: the water storage device comprises a water storage pipe and a heating wire, wherein a water inlet of the water storage device is arranged on the upper surface of the water storage pipe, a water outlet of the water storage device is arranged on the lower surface of the water storage pipe, and the heating wire is fixedly arranged on one side, close to the water outlet of the water storage device, of the water storage pipe.
Further, the control unit further includes: the pressure sensor is used for acquiring a pressure signal inside the water storage device, the controller is also used for controlling the opening and closing of the fourth valve according to the pressure signal, and the fourth valve is electrically connected with the controller.
Further, the safety valve is further included and communicated with the water inlet of the water receiver.
The invention has the following positive effects:
a tobacco cut line steam quality enhancement device, comprising: a first valve, a steam trap, a water reservoir, a bypass sight glass and a second valve; the steam trap device separates moisture in steam through the steam trap, discharges the moisture in the steam through the first valve and the second valve, reduces the moisture in the steam in the main steam pipeline, and ensures the quality of the steam in the main steam pipeline.
The device is provided with the controller, the controller controls the opening and closing of the first valve and the second valve according to the liquid level height of the water storage device collected by the liquid level sensor, manual operation is not needed, and time and labor are saved.
The device is also provided with a third valve for switching the circulation state of the main steam pipeline, when the steam humidity in the main steam pipeline meets the preset condition, the steam in the main steam pipeline is sent into the equipment, when the steam humidity in the main steam pipeline does not meet the preset condition, the steam sending to the equipment is stopped, and the moisture separation state is started. The device is also provided with a humidity sensor, and the controller switches the working state of the third valve according to the humidity signal acquired by the humidity sensor, so that the device does not need to be operated by personnel on duty, and the labor is saved.
The device is also provided with a fourth valve, the water storage device is internally provided with a heating wire, and the heating wire heats the water in the water storage device, so that the water is changed into steam again and is discharged back to the main steam pipeline, and compared with the conventional mode of directly discharging the water, the device has higher heat energy utilization rate. The device is also provided with a pressure sensor, and the controller controls the opening and closing of the fourth valve according to the pressure signal in the water storage device, so that the automation level is high, and the trouble and the labor are saved. The device is also provided with a safety valve to prevent the injury of human body and equipment caused by overpressure of the water storage device.
Drawings
FIG. 1 is a schematic diagram of a method and apparatus for improving steam quality of a tobacco processing line according to an embodiment of the present invention;
FIG. 2 is a functional block diagram of a control unit according to an embodiment of the present invention.
In the figure:
1 a first valve;
2, a steam trap;
3 a water reservoir;
4 bypass observation windows;
5 a second valve;
6, a main steam pipeline;
7 a third valve;
8 a fourth valve;
9, a water storage pipe;
10 heating wires;
11 safety valve
12 devices.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only.
As shown in fig. 1-2, a steam quality improving apparatus for a tobacco-making line includes: a first valve 1, a steam trap 2, a water reservoir 3, a bypass sight glass 4 and a second valve 5;
the water storage device 3 is provided with a water inlet and a water outlet;
the first valve 1 and the second valve 5 are both two-position two-way valves;
the first end of the first valve 1 is communicated with an air supply pipeline of a main steam pipeline 6, the first end of the steam trap 2 is communicated with the second end of the first valve 1, the second end of the steam trap 2 is communicated with a water inlet of the water storage device 3, the first end of the bypass observation window 4 is communicated with the water inlet of the water storage device 3, the second end of the bypass observation window 4 is communicated with a water outlet of the water storage device 3, and the water outlet of the water storage device 3 is communicated with the first end of the second valve 5.
More specifically, the main steam line 6 is used for supplying steam to the tobacco-making threads, and a branch steam line is provided in front of each production device 12 for supplying steam to each production device 12. A steam quality improving device for discharging moisture in the steam is arranged below the main steam pipeline 6. During normal operation, first valve 1 opens, and second valve 5 closes, and after the wet steam of steam main 6 got into steam trap 2 through first valve 1, moisture in the steam was sent into water receiver 3, and steam then is separated and can not get into water receiver 3, and when the water level in the water receiver 3 reached a take the altitude, closed first valve 1, opened second valve 5, the moisture in the water receiver 3 was discharged.
The staff can be used for observing the water level in the water receiver 3 through the bypass observation window 4, when the water level reachs a take the altitude, in time carries out the drainage for equipment trouble manual intervention.
Moisture in this embodiment passes through steam trap 2 separation steam, through first valve 1 and second valve 5, moisture in the discharge steam has reduced the moisture of steam in steam main line 6, has guaranteed the quality of steam in steam main line 6.
Further, still include the control unit, the control unit includes: the controller is used for controlling the opening and closing of the first valve 1 and the second valve 5 according to the liquid level height in the water storage device 3, and the first valve 1, the second valve 5 and the liquid level sensor are respectively and electrically connected with the controller.
More specifically, the controller of the control unit is used for collecting the liquid level height in the water reservoir 3, controlling the opening and closing of the first valve 1 and the second valve 5 according to the liquid level height, when the liquid level height in the water reservoir 3 is low, the controller controls the first valve 1 to be opened, the second valve 5 to be closed, and the moisture in the main steam pipeline is collected in the water reservoir 3 through the separation effect of the steam trap 2. When the liquid level in the water reservoir 3 reaches a preset height, the controller controls the first valve 1 to be closed and the second valve 5 to be opened, so that the water in the water reservoir 3 is discharged.
This embodiment is equipped with the controller, and the controller need not artifical on duty operation, labour saving and time saving according to the switching of 3 liquid level altitude control first valves of water receiver 1 and second valve 5 that level sensor gathered.
Further, still include: and the third valve 7 is a two-position three-way valve, the first end of the third valve 7 is communicated with the steam supply pipeline of the steam main pipeline 6, the second end of the third valve 7 is communicated with the steam branch pipeline, and the third end of the third valve 7 is communicated with the steam return pipeline of the steam main pipeline 6.
Further, the control unit further includes: the controller is further used for controlling the communication state of the steam main pipeline 6 and the steam branch pipeline by controlling the third valve 7 according to the humidity signal of the main pipeline, and the humidity sensor and the third valve 7 are respectively electrically connected with the controller.
More specifically, the third valve 7 is configured to switch the circulation state of the main pipeline when the main steam pipeline contains a large amount of moisture, one circulation state is a moisture separation state, at this time, the first end and the third end of the third valve 7 are communicated, the steam delivery pipeline of the steam main pipeline 6 is communicated with the steam outlet pipeline of the steam main pipeline 6, the steam main pipeline 6 is not communicated with the steam branch pipeline, and the steam branch pipeline is configured to deliver steam to each production device 12. In this case, the main steam line 6 is self-circulating, and the steam is not introduced into each production facility 12, and this state is used when the humidity in the steam is high and the moisture is high, and is generally used in the steam starting stage.
The other circulation state is a steam supply state, at this time, the first end and the second end of the third valve 7 are communicated, the steam delivery pipeline of the steam main pipeline 6 is communicated with the steam branch pipeline, the steam delivery pipeline of the steam main pipeline 6 is not communicated with the steam return pipeline of the steam main pipeline 6, and steam is delivered into the equipment 12. This state is used when the humidity in the steam is low and meets the use condition.
The control unit is further provided with a humidity sensor, the humidity sensor is used for collecting a humidity signal of the steam main pipeline 6, when the humidity reaches or exceeds a preset value, the first end and the third end of the third valve 7 are communicated, moisture in the steam main pipeline 6 is separated, when the humidity is lower than the preset value, the first end and the second end of the third valve 7 are communicated, and steam in the steam main pipeline 6 is sent into the device 12.
The device is also provided with a third valve 7 for switching the circulation state of the main steam pipeline 6, when the steam humidity in the main steam pipeline 6 meets the preset condition, the steam in the main steam pipeline 6 is sent into the device 12, when the steam humidity in the main steam pipeline 6 does not meet the preset condition, the steam is stopped being sent into the device 12, and the moisture separation state is started. The invention is also provided with a humidity sensor, the controller switches the working state of the third valve 7 according to the humidity signal acquired by the humidity sensor, the operation of personnel on duty is not needed, and the labor is saved.
Further, a fourth valve 8 is also included, one end of the fourth valve 8 is communicated with the main steam pipeline 6, the other end of the fourth valve 8 is communicated with the water inlet of the water reservoir 3, and the water reservoir 3 comprises: a water storage pipe 9 and a heating wire 10, wherein the water inlet of the water storage device 3 is arranged on the upper surface of the water storage pipe 9, the water outlet of the water storage device 3 is arranged on the lower surface of the water storage pipe 9, and the heating wire 10 is fixedly arranged on one side of the water storage pipe 9 close to the water outlet of the water storage device 3.
Further, the control unit further includes: the pressure sensor is used for acquiring a pressure signal inside the water storage device 3, the controller is also used for controlling the opening and closing of the fourth valve 8 according to the pressure signal, and the fourth valve 8 is electrically connected with the controller.
Further, a safety valve 11 is also included, and the safety valve 11 is communicated with the water inlet of the water reservoir 3.
More specifically, the inside heater strip 10 that is equipped with of water receiver 3 for the inside moisture of heating standpipe 9, make the moisture in the standpipe 9 become steam again, during the heating, first valve 1 closes, second valve 5 closes, third valve 7 is in the state of first end and second end intercommunication, fourth valve 8 closes, when the moisture in the standpipe 9 becomes steam, the inside pressure increase of standpipe 9, when reaching the default, fourth valve 8 opens, fourth valve 8 is two-position two-way valve, be used for communicating standpipe 9 and steam main line 6.
The control unit is also provided with a pressure sensor for collecting the pressure inside the water storage pipe 9, when the pressure reaches a preset value, the fourth valve 8 is opened, the steam inside the water storage pipe 9 is discharged into the steam main pipeline 6, and when the pressure is lower than the preset value, the fourth valve 8 is closed, and the next round of water storage pipe 9 heating circulation is continued.
A safety valve 11 is arranged at the water inlet of the water storage device 3 and used for releasing pressure when the pressure inside the water storage pipe 9 is over-pressure.
The device is also provided with a fourth valve 8, a heating wire 10 is arranged in the water storage device 3, and the heating wire 10 heats the moisture in the water storage device 3, so that the moisture is changed into steam again and is discharged back to the main steam pipeline 6, and the heat energy utilization rate is higher compared with the conventional mode of directly discharging the moisture. The device is also provided with a pressure sensor, the controller controls the opening and closing of the fourth valve 8 according to the pressure signal in the water storage device 3, the automation level is high, and the trouble and the labor are saved. The device is also provided with a safety valve 11 to prevent the injury of human body and equipment 12 caused by the overpressure of the water storage device 3.
The device is applied to the front ends of the main steam pipelines of the tobacco cut-tobacco drier and the cut tobacco tunnel damping machine, the controller controls the separation of steam condensate water according to the control logic, and before the production of starting shift every day, the device does not need to be independently started to discharge the condensate water, so that the waiting time for starting shift every day is saved, the steam quality in the normal production process is obviously improved, and the temperature CPK of the cut tobacco drier barrel is improved by 33.67 percent compared with the prior art.
The above embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (3)
1. A steam quality improving device for a tobacco processing line, which is characterized in that,
the method comprises the following steps: the steam trap comprises a first valve (1), a steam trap (2), a water receiver (3), a bypass observation window (4) and a second valve (5), wherein the water receiver (3) is provided with a water inlet and a water outlet, the first valve (1) and the second valve (5) are both two-position two-way valves, the first end of the first valve (1) is communicated with a steam delivery pipeline of a steam main pipeline (6), the first end of the steam trap (2) is communicated with the second end of the first valve (1), the second end of the steam trap (2) is communicated with the water inlet of the water receiver (3), the first end of the bypass observation window (4) is communicated with the water inlet of the water receiver (3), the second end of the bypass observation window (4) is communicated with the water outlet of the water receiver (3), and the water outlet of the water receiver (3) is communicated with the first end of the second valve (5);
a control unit comprising a controller and a liquid level sensor, wherein the liquid level sensor is used for acquiring the liquid level height inside the water storage device (3), the controller is used for controlling the opening and closing of the first valve (1) and the second valve (5) according to the liquid level height inside the water storage device (3), and the first valve (1), the second valve (5) and the liquid level sensor are respectively and electrically connected with the controller;
the third valve (7) is a two-position three-way valve, the first end of the third valve (7) is communicated with the steam sending pipeline of the steam main pipeline (6), the second end of the third valve (7) is communicated with the steam branch pipeline, and the third end of the third valve (7) is communicated with the steam return pipeline of the steam main pipeline (6);
the control unit further includes: the controller is also used for controlling the communication state of the steam main pipeline (6) and the steam branch pipeline by controlling the third valve (7) according to the humidity signal of the main pipeline, and the humidity sensor and the third valve (7) are respectively and electrically connected with the controller;
further comprising a fourth valve (8), one end of the fourth valve (8) is communicated with a main steam pipeline (6), the other end of the fourth valve (8) is communicated with a water inlet of the water storage device (3), and the water storage device (3) comprises: the water storage device comprises a water storage pipe (9) and a heating wire (10), wherein a water inlet of the water storage device (3) is formed in the upper surface of the water storage pipe (9), a water outlet of the water storage device (3) is formed in the lower surface of the water storage pipe (9), and the heating wire (10) is fixedly arranged on one side, close to the water outlet of the water storage device (3), of the water storage pipe (9).
2. The steam quality enhancement device of claim 1, wherein the control unit further comprises: the pressure sensor is used for acquiring a pressure signal inside the water storage device (3), the controller is also used for controlling the opening and closing of the fourth valve (8) according to the pressure signal, and the fourth valve (8) is electrically connected with the controller.
3. A tobacco cut line steam quality enhancement device according to claim 2, further comprising a safety valve (11), the safety valve (11) being in communication with the water reservoir (3) water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371021.4A CN112998305B (en) | 2021-04-07 | 2021-04-07 | Tobacco throwing line steam quality hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371021.4A CN112998305B (en) | 2021-04-07 | 2021-04-07 | Tobacco throwing line steam quality hoisting device |
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| CN112998305A CN112998305A (en) | 2021-06-22 |
| CN112998305B true CN112998305B (en) | 2022-10-18 |
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| CN202110371021.4A Active CN112998305B (en) | 2021-04-07 | 2021-04-07 | Tobacco throwing line steam quality hoisting device |
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| CN (1) | CN112998305B (en) |
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| DE4221573A1 (en) * | 1992-07-01 | 1994-01-05 | Hauni Werke Koerber & Co Kg | Method and arrangement for drying tobacco |
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| CN200969858Y (en) * | 2006-10-30 | 2007-11-07 | 李葆 | Heat exchanger condensation discharger for stem cut tobacco fluidized drier |
| CN202819591U (en) * | 2012-08-27 | 2013-03-27 | 厦门烟草工业有限责任公司 | Auxiliary dewatering control system of roller type calescence and moisture regain device |
| CN203015820U (en) * | 2012-11-30 | 2013-06-26 | 河南中烟工业有限责任公司 | Remote steam pressure monitoring system |
| CN203314079U (en) * | 2013-05-23 | 2013-12-04 | 湖南中烟工业有限责任公司 | Device for removing condensate water of process steam of cut-tobacco airflow drier |
| CN204482993U (en) * | 2015-02-09 | 2015-07-22 | 河南中烟工业有限责任公司 | The steam supply system of Novel fluidization bed warming and humidifying machine |
| CN108006437A (en) * | 2017-10-31 | 2018-05-08 | 河南中烟工业有限责任公司 | A kind of system for improving steam quality |
| CN211020971U (en) * | 2019-08-21 | 2020-07-17 | 湖南叁谐科技发展有限公司 | Steam heating device for tobacco processing |
| CN110786535A (en) * | 2019-12-11 | 2020-02-14 | 河南中烟工业有限责任公司 | Steam drainage system for expanded tobacco threads |
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| CN109349366A (en) * | 2018-11-02 | 2019-02-19 | 福建品品香茶业有限公司 | A kind of white tea cake of press device |
| CN209588743U (en) * | 2018-12-05 | 2019-11-05 | 深圳市捷晶能源科技有限公司 | A kind of vapour system |
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