CN110638079B - Vacuum damping machine for tobacco and control method - Google Patents
Vacuum damping machine for tobacco and control method Download PDFInfo
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- CN110638079B CN110638079B CN201911143116.XA CN201911143116A CN110638079B CN 110638079 B CN110638079 B CN 110638079B CN 201911143116 A CN201911143116 A CN 201911143116A CN 110638079 B CN110638079 B CN 110638079B
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- box body
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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
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The application relates to a vacuum damping machine for tobacco and a control method thereof, comprising a damping box body, a damping system, a hydraulic system, a vacuum system, a pneumatic system, a motor electric control system, a detection system and a control system; a broken valve is arranged on the dampening box body; the damping system and the vacuum system are connected with the damping box body through pipelines; the detection system is arranged in the conditioning box body and is in electrical signal connection with the control system; the hydraulic system is connected with a box door on the damping box body; the motor electric control system is used for controlling a driving motor of the logistics system and is connected with the control system through electric signals; the damping system, the hydraulic system, the vacuum system and the pneumatic system are all in electric signal connection with the control system. According to the technical scheme, the time of a dampening process is shortened, energy is saved, and because residual steam in the box body is pumped while the door is opened, strong air flow is generated at the bottom of the box body, condensed water attached to the box body is flushed away, and the cleaning of a working site is ensured.
Description
Technical Field
The application belongs to the technical field of tobacco vacuum machines, and particularly relates to a vacuum damping machine for tobacco and a control method.
Background
The vacuum damping machine consists of a damping box body, a damping system, a hydraulic system, a vacuum system, a cooling water circulation system, a pneumatic system, a motor electric control system and the like.
After the water-ring vacuum pump and the steam jet vacuum pump are started, the water-ring vacuum pump and the steam jet vacuum pump are operated in a combined mode, the moisture regaining box body is vacuumized, the vacuum is pumped from the point of a 'of the first pressure to the point of a' of the third pressure, and at the moment, the vacuum pump stops operating; the moisturing system adds a water-steam mixture into the moisturing box body so as to increase the moisture of tobacco leaves until the fourth pressure point'd' is reached; the time from the fourth pressure'd' to the fifth pressure 'e' is kept warm so as to allow the water-vapor mixture to fully enter the tobacco leaf; from the fifth pressure "e" to the sixth pressure "f", only the water ring vacuum pump is operated so as to pump out the residual water vapor mixture in the moisture regaining box body and reduce the temperature of the tobacco leaves after moisture regaining; after the process requirement is met, the air breaking valve is opened, and the air in the atmosphere enters the moisture regaining box body from the sixth pressure 'f' to the seventh pressure 'g'; when the seventh pressure 'g' is reached, the pressure in the conditioning box body is balanced with the atmospheric pressure, the front box body door and the rear box body door of the conditioning box body are opened by the hydraulic system, the steel turnover box filled with tobacco leaves is conveyed out from the inside of the conditioning box body by the logistics system, the subsequent process is convenient to use, and the conditioning cycle is finished. Wherein first pressure=seventh pressure > fourth pressure > fifth pressure > sixth pressure > second pressure > third pressure.
When the system goes on to add damp and heat preservation stage, airtight moisture regain box inside has full of supersaturated steam, and supersaturated steam has become the comdenstion water rapidly after receiving cold, and most comdenstion water falls into the water receiving tank of moisture regain box, has a part comdenstion water just to adhere to on steel turnover case, after steel turnover case is carried out by logistics system, the comdenstion water that adheres to above all falls to subaerial, and production environment is very bad. The later period increases the electric energy consumption and the working time when the water vapor in the dampening box body is pumped out.
Disclosure of Invention
The application aims to provide a vacuum damping machine for tobacco and a control method thereof, which are used for solving the problems of poor production environment and high energy consumption caused by condensed water on the outer side of a steel turnover box in the vacuum damping machine for tobacco in the prior art.
The application is realized by the following technical scheme:
a vacuum damping machine for tobacco comprises a damping box body, a damping system, a hydraulic system, a vacuum system, a pneumatic system, a motor electric control system, a detection system and a control system;
a broken valve is arranged on the damping box body; the air break valve is controlled to be opened by the pneumatic system;
the damping system is connected with the damping box body through a pipeline;
the vacuum system is connected with the damping box body through a pipeline;
the detection system is arranged in the conditioning box body and is in electrical signal connection with the control system;
the hydraulic system is connected with a box door on the moisture regain box body and is used for controlling the opening and closing of the box door;
the motor electric control system is used for controlling a driving motor of the logistics system and is in electric signal connection with the control system;
the humidifying system, the hydraulic system, the vacuum system and the pneumatic system are all in electric signal connection with the control system.
The box body door is arranged on the moisture regaining box body and is used for sealing the moisture regaining box body; the box door is controlled to be opened and closed by the hydraulic system;
the damping box body is provided with a broken air valve, the broken air valve is connected with the pneumatic system, and the pneumatic system controls the opening and closing of the broken air valve.
The vacuum system comprises a water ring type vacuum pump and a steam jet type vacuum pump; and the controller of the water ring type vacuum pump and the controller of the steam jet type vacuum pump are all connected with the controller through electrical signals.
A water collecting tank is arranged on the outer side of the moisture regaining box body.
The detection system includes, but is not limited to, a pressure sensor.
The control method of the vacuum damping machine for the tobacco, which uses any one of the vacuum damping machines for the tobacco, comprises the following steps:
s1, setting pressure parameters in a conditioning box body of a vacuum conditioning machine during working, wherein the pressure parameters comprise a first set pressure, a second set pressure, a third set pressure, a fourth set pressure, a fifth set pressure and a sixth set pressure;
wherein, the first set pressure > the sixth set pressure > the fourth set pressure > the fifth set pressure > the second set pressure > the third set pressure;
s2, under the condition that a box door of the moisture regaining box body is closed, the control system controls the vacuum system to vacuumize the moisture regaining box body, and the pressure sensor feeds back the detected instant pressure to the control system;
s3, when the pressure sensor detects that the pressure in the conditioning box body reaches a third set pressure, the control system controls the vacuum system to stop running, and meanwhile, controls the conditioning system to add the water-steam mixture into the conditioning box body until the pressure in the conditioning box body reaches a fourth set pressure, and the conditioning is finished;
s4, after the humidification is finished, the heat preservation time is started until the pressure in the damping box body reaches a fifth set pressure, and the control system controls the pneumatic system to open the air break valve so that air enters the damping box body;
and S5, when the pressure in the damping box body is the sixth set pressure, starting a water ring type vacuum pump in the vacuum system, simultaneously, controlling a hydraulic system to open a box body door by a control system, and removing the steel turnover box from the damping box body by a logistics system.
Further, the first set pressure is equal to the sixth set pressure.
Further, in S3, under the condition that the vacuum system is in operation, after the pressure in the conditioning tank reaches the second set pressure first, the first set time is continued to run, and the third set pressure is reached.
Further, in S2, the water ring vacuum pump and the steam jet vacuum pump in the vacuum system are operated in combination.
Further, in S5, the time when the hydraulic system opens the tank door is matched with the time when the water ring vacuum pump pumps out the residual water-gas mixture inside the conditioning tank.
The beneficial effects of the application are as follows:
according to the technical scheme, the time of a dampening process is shortened, energy is saved, and because residual steam in the box body is pumped while the door is opened, strong air flow is generated at the bottom of the box body, condensed water attached to the box body is flushed away, and the clean and attractive environment of a working site is ensured.
Drawings
FIG. 1 is a graph showing the pressure change in a conditioning tank in a conditioning process according to the prior art;
FIG. 2 is a graph showing the pressure change in the conditioning tank in the conditioning process of the present application;
FIG. 3 is a schematic view of the vacuum damping machine according to the present application.
Description of the reference numerals
a first pressure, B second pressure, C third pressure, D fourth pressure, E fifth pressure, F sixth pressure, g seventh pressure, A first set pressure, B second set pressure, C third set pressure, D fourth set pressure, E fifth set pressure, F sixth set pressure, 1 conditioning tank, 2 vacuum system, 3 conditioning system, 4 hydraulic system, 5 break valve, 6 pneumatic system, 7 control system, 8 material system, 9 detection system.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the application.
The application provides a vacuum damping machine for tobacco, which comprises a damping box body 1, a damping system 3, a hydraulic system 4, a vacuum system 2, a pneumatic system 6, a motor electric control system, a detection system 9 and a control system 7.
A broken valve 5 is arranged on the damping box body; the air break valve is controlled to be opened by the pneumatic system; the pneumatic system is controlled by a control system, and in the technical scheme of the application, the control system is in the prior art, such as a workstation, a control center, a singlechip or a computer.
The damping system is connected with the damping box body through a pipeline; the damping system comprises a water source, a gas source, a water-gas mixing device, a damping pump and other structures and is connected through pipelines, and in the technical scheme of the application, the damping system is in the prior art, and the control of each part is controlled by the field control or control system.
The vacuum system is connected with the damping box body through a pipeline; in the technical scheme of the application, the vacuum system comprises a water ring type vacuum pump and a steam jet type vacuum pump which are connected in parallel; the controller of the water ring type vacuum pump and the controller of the steam jet type vacuum pump are connected with the controller through electric signals and are used for vacuumizing the inside of the conditioning box body.
The detection system is arranged in the conditioning box body and is in electrical signal connection with the control system; in the technical scheme of the application, the detection system comprises, but is not limited to, a pressure sensor, a temperature sensor and the like, wherein the pressure sensor is used for detecting the instant pressure in the conditioning box body, and the temperature sensor is associated with conditioning.
The hydraulic system is connected with a box door on the moisture regain box body and is used for controlling the opening and closing of the box door; the hydraulic system is controlled by the control system to control the hydraulic pump to realize the pressure, and the hydraulic system is debugged in advance, so that the speed of opening the box door of the hydraulic system is ensured, and the time when the box door is fully opened is matched with the time when the water ring type vacuum pump pumps the residual water-gas mixture in the conditioning box body, so as to ensure that the condensed water on the outer surface of the steel turnover box is pumped out.
The motor electric control system is used for controlling a driving motor of the logistics system, and the motor electric control system is in electric signal connection with the control system.
The humidifying system, the hydraulic system, the vacuum system and the pneumatic system are all in electric signal connection with the control system.
A water collecting tank is arranged on the outer side of the moisture regaining box body.
As shown in fig. 2, the present application also provides a control method of a vacuum conditioning machine for tobacco, using any one of the above vacuum conditioning machines for tobacco, comprising the steps of:
s1, setting pressure parameters in a conditioning box body of a vacuum conditioning machine during working, wherein the pressure parameters comprise a first set pressure A, a second set pressure B, a third set pressure C, a fourth set pressure D, a fifth set pressure E and a sixth set pressure F; the setting of the pressure is tested according to the water content of tobacco leaves or tobacco shreds to be remoistened, the amount of the water-air mixture required by remoistening and the corresponding pressure to obtain the set value of the pressure, and the values of the pressures can be different according to the different water contents in the tobacco leaves so as to ensure the stability of the water content of the remoistened tobacco leaves.
Wherein the first set pressure is more than or equal to the sixth set pressure, the fourth set pressure, the fifth set pressure, the second set pressure and the third set pressure; the first set pressure is usually normal pressure, and the sixth set pressure is normal pressure.
S2, under the condition that a box door of the moisture regaining box body is closed, the control system controls the vacuum system to vacuumize the moisture regaining box body, and the pressure sensor feeds back the detected instant pressure to the control system; at this time, the water ring vacuum pump and the steam jet vacuum pump are operated in combination.
And S3, when the pressure sensor detects that the pressure in the conditioning box body reaches a third set pressure, the control system controls the vacuum system to stop running, and simultaneously controls the conditioning system to add the water-steam mixture into the conditioning box body until the pressure in the conditioning box body reaches a fourth set pressure, and the conditioning is finished.
Under the condition that the vacuum system works, after the pressure in the damping box body reaches the second set pressure at first, the first set time is continued to run, and the third set pressure is reached.
And S4, after the humidification is finished, the heat preservation time is started until the pressure in the damping box body reaches a fifth set pressure, and the control system controls the pneumatic system to open the air break valve so that air enters the damping box body.
S5, when the pressure in the damping box body is the sixth set pressure, at the moment, the internal pressure and the external pressure of the damping box body are balanced, a water ring type vacuum pump in the vacuum system is started, meanwhile, the control system controls the hydraulic system to open a box body door, and the logistics system moves the steel turnover box out of the damping box body.
The time for the hydraulic system to open the box door is matched with the time for the water ring vacuum pump to pump out the residual water-gas mixture in the dampening box. Because the residual water vapor in the dampening box body is pumped out while the door is opened, strong air flow is generated at the bottom of the dampening box body, and condensed water attached to the dampening box body is flushed away.
The logistics system conveys the steel turnover box filled with tobacco leaves out of the inside of the moisture regaining box body, so that the use of the subsequent working procedures is facilitated, and the moisture regaining cycle is finished.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.
Claims (3)
1. A control method of a vacuum damping machine for tobacco uses the vacuum damping machine for tobacco, the vacuum damping machine for tobacco comprises a damping box body, a damping system, a hydraulic system, a vacuum system, a pneumatic system, a motor electric control system, a detection system and a control system; a broken valve is arranged on the damping box body; the air break valve is controlled to be opened by the pneumatic system; the damping system is connected with the damping box body through a pipeline; the vacuum system is connected with the damping box body through a pipeline; the detection system is arranged in the conditioning box body and is in electrical signal connection with the control system; the hydraulic system is connected with a box door on the moisture regain box body and is used for controlling the opening and closing of the box door; the motor electric control system is used for controlling a driving motor of the logistics system and is in electric signal connection with the control system; the damping system, the hydraulic system, the vacuum system and the pneumatic system are all in electric signal connection with the control system, and the damping box body is provided with a box body door which is used for sealing the damping box body; the box door is controlled to be opened and closed by the hydraulic system; the damping box body is provided with a broken air valve, the broken air valve is connected with the pneumatic system, the pneumatic system controls the opening and closing of the broken air valve, and the vacuum system comprises a water ring type vacuum pump and a steam jet type vacuum pump; the controller of the water ring type vacuum pump and the controller of the steam jet type vacuum pump are all connected with the controller through electrical signals; the method is characterized by comprising the following steps of:
s1, setting pressure parameters in a conditioning box body of a vacuum conditioning machine during working, wherein the pressure parameters comprise a first set pressure, a second set pressure, a third set pressure, a fourth set pressure, a fifth set pressure and a sixth set pressure; wherein, the first set pressure > the sixth set pressure > the fourth set pressure > the fifth set pressure > the second set pressure > the third set pressure;
s2, under the condition that a box door of the moisture regaining box body is closed, the control system controls the vacuum system to vacuumize the moisture regaining box body, and the pressure sensor feeds back the detected instant pressure to the control system;
s3, when the pressure sensor detects that the pressure in the conditioning box body reaches a third set pressure, the control system controls the vacuum system to stop running, and meanwhile, controls the conditioning system to add the water-steam mixture into the conditioning box body until the pressure in the conditioning box body reaches a fourth set pressure, and the conditioning is finished;
s4, after the humidification is finished, the heat preservation time is started until the pressure in the damping box body reaches a fifth set pressure, and the control system controls the pneumatic system to open the air break valve so that air enters the damping box body;
s5, when the pressure in the damping box body is the sixth set pressure, a water ring type vacuum pump in the vacuum system is started, meanwhile, the control system controls the hydraulic system to open the box body door, the logistics system removes the steel turnover box from the damping box body,
in S2, a water ring vacuum pump and a steam jet vacuum pump in a vacuum system are operated in a combined mode;
in S3, under the condition that the vacuum system works, after the pressure in the conditioning box body reaches the second set pressure at first, the first set time is continued to run, and the third set pressure is reached;
in S5, the time for the hydraulic system to open the box door is matched with the time for the water ring type vacuum pump to pump out the residual water-gas mixture in the conditioning box body, and the valve is opened and closed.
2. The method of controlling a vacuum conditioning machine for tobacco according to claim 1, wherein a water collecting tank is provided outside the conditioning tank.
3. The method of claim 1, wherein the detection system includes, but is not limited to, a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143116.XA CN110638079B (en) | 2019-11-20 | 2019-11-20 | Vacuum damping machine for tobacco and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143116.XA CN110638079B (en) | 2019-11-20 | 2019-11-20 | Vacuum damping machine for tobacco and control method |
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| CN110638079A CN110638079A (en) | 2020-01-03 |
| CN110638079B true CN110638079B (en) | 2023-09-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113455686A (en) * | 2021-07-26 | 2021-10-01 | 河南中烟工业有限责任公司 | Multifunctional tobacco vacuum treatment test system |
| CN115067531B (en) * | 2022-06-28 | 2023-09-15 | 河南中烟工业有限责任公司 | Method and system for monitoring operation state of vacuum damping machine |
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