CN111381568A - Energy-saving control method and device for cut tobacco dryer - Google Patents
Energy-saving control method and device for cut tobacco dryer Download PDFInfo
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- CN111381568A CN111381568A CN201811623907.8A CN201811623907A CN111381568A CN 111381568 A CN111381568 A CN 111381568A CN 201811623907 A CN201811623907 A CN 201811623907A CN 111381568 A CN111381568 A CN 111381568A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 241000208125 Nicotiana Species 0.000 title claims abstract description 37
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 239000013072 incoming material Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 9
- 230000003111 delayed effect Effects 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 19
- 239000012528 membrane Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32368—Quality control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacture Of Tobacco Products (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides an energy-saving control method and device for a cut-tobacco drier, wherein the method comprises the following steps: s1: after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating heating and humidifying equipment; s2: continuously acquiring a flow signal of the electronic scale; s3: when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment; s4: when the flow signal of the electronic scale is smaller than a preset second flow threshold value, stopping heating the heating and humidifying equipment; s5: after the next incoming signal is acquired, S1 is executed again until the production is finished. According to the invention, the heating control process of the heating and humidifying equipment in the cut-tobacco drier is optimized, so that the steam waste caused by the conditions of preheating before production, standby after production and the like of the cut-tobacco drier HT is reduced, and the energy consumption of the silk thread steam is reduced.
Description
Technical Field
The invention relates to the field of cut-tobacco drier control, in particular to a cut-tobacco drier energy-saving control method and device.
Background
At present, the silk thread production mode of a cigarette factory workshop is intermittent production: production is reasonably arranged according to the process time of the brand name of the leaf storage cabinet and the like and the idle condition of the tobacco shred storage cabinet. Before the production of general silk threads, the silk thread drying machine can preheat the silk threads 20-30 minutes ahead of time. When the tobacco dryer is started to preheat, when the temperature of the cylinder wall is not less than 80 ℃, HT equipment (heating and humidifying equipment) is automatically started to preheat. At the moment, the HT equipment operates, and the HT steam electric positioning film valve is opened at a certain steam pressure to preheat the HT tank body.
Under normal conditions, the time from the tobacco leaves discharged from the leaf storage cabinet to the HT is about 12 minutes, the time from the HT to the cut tobacco storage cabinet is about 20 minutes, and an operation time difference exists between the feeding process and the preheating process, namely before the tobacco leaves and the cut tobacco are fed, the cut tobacco dryer is generally preheated in advance, namely the preheating process is carried out for 20-30 minutes, and the feeding operation is carried out during the preheating process, so that steam is wasted for about 20 minutes before normal production and after the tailing is finished when each batch of cut tobacco is produced, and an empty time interval between two adjacent batches of cut tobacco is reserved.
Therefore, how to solve the waste of steam energy generated by the HT equipment in the early preheating and standby states has become a technical problem to be urgently solved by those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides an energy-saving control method and device for a cut-tobacco drier, which aims to reduce steam waste caused by preheating before production, standby after production and the like of the cut-tobacco drier HT and further reduce the energy consumption of silk thread steam.
According to one aspect of the invention, an energy-saving control method for a cut-tobacco drier is provided, which comprises the following steps:
s1: after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating heating and humidifying equipment;
s2: continuously acquiring a flow signal of the electronic scale;
s3: when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment;
s4: when the flow signal of the electronic scale is smaller than a preset second flow threshold value, stopping heating the heating and humidifying equipment;
s5: after the next incoming signal is acquired, S1 is executed again until the production is finished.
Preferably, after the current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet the preset conditions, the preheating of the heating and humidifying device specifically comprises:
after the current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet the preset conditions, preheating the heating and humidifying equipment by presetting first steam pressure through an electric positioning film valve.
Preferably, when the flow signal of the electronic scale is not less than a preset first flow threshold, heating the heating and humidifying device specifically comprises:
and when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment by using a preset second steam pressure through an electric positioning film valve after time delay.
Preferably, when the flow signal of the electronic scale is smaller than a preset second flow threshold, stopping heating the heating and humidifying device specifically comprises:
and when the flow signal of the electronic scale is smaller than a preset second flow threshold value, after time delay, the heating and humidifying equipment is heated by preset first steam pressure through an electric positioning film valve for a preset time period, and then the electric positioning film valve is closed.
Preferably, the method for controlling the energy saving of the cut-tobacco drier further comprises the following steps:
after a lifting machine at an inlet of the electronic scale is closed, and after the material of the feeding machine, the no-flow signal of the electronic scale and the steam pressure of the heating and humidifying equipment are determined to be not less than the preset first steam pressure, and after the preset time period is delayed, the electric positioning film valve is closed.
Preferably, the preset first steam pressure ranges from 0.1 Mpa to 0.4 Mpa.
Preferably, the preset second steam pressure ranges from 0.5 Mpa to 0.8 Mpa.
Preferably, the value range of the preset first flow threshold is 1000-1200 KG/h, and the value range of the preset second flow threshold is 600-800 KG/h.
Preferably, the step of determining that the parameters of the cut-tobacco drier meet the preset conditions specifically comprises:
the temperature of the cylinder wall of the cut tobacco dryer is determined to be not less than 80 ℃.
According to another aspect of the present invention, there is provided a cut-tobacco dryer energy-saving control device, comprising:
the preheating module is used for preheating the heating and humidifying equipment after acquiring a current incoming material signal of the feeder and determining that the parameters of the cut tobacco dryer meet preset conditions;
the acquisition module is used for continuously acquiring a flow signal of the electronic scale;
the production module is used for heating the heating and humidifying equipment when the flow signal of the electronic scale is not less than a preset first flow threshold value;
the first closing module is used for stopping heating the heating and humidifying equipment when the flow signal of the electronic scale is smaller than a preset second flow threshold value;
and the circulating module is used for triggering the preheating module again until the production is finished after the next material incoming signal is obtained.
According to the technical scheme, the embodiment of the invention has the following advantages:
the invention provides an energy-saving control method and device for a cut-tobacco drier, wherein the method comprises the following steps: s1: after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating heating and humidifying equipment; s2: continuously acquiring a flow signal of the electronic scale; s3: when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment; s4: when the flow signal of the electronic scale is smaller than a preset second flow threshold value, stopping heating the heating and humidifying equipment; s5: after the next incoming signal is acquired, S1 is executed again until the production is finished. According to the invention, the heating control process of the heating and humidifying equipment in the cut-tobacco drier is optimized, so that the steam waste caused by the conditions of preheating before production, standby after production and the like of the cut-tobacco drier HT is reduced, and the energy consumption of the silk thread steam is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flow chart of an embodiment of an energy-saving control method for a cut-tobacco drier according to the present invention;
FIG. 2 is a schematic flow chart illustrating another embodiment of an energy-saving control method for a cut-tobacco drier according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment of an energy-saving control device of a cut-tobacco drier provided by the invention.
Detailed Description
The embodiment of the invention provides an energy-saving control method and device for a cut-tobacco drier, which aims to reduce steam waste caused by preheating before production, standby after production and the like of the cut-tobacco drier HT and further reduce the energy consumption of silk thread steam.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of an energy-saving control method for a cut-tobacco dryer provided by the present invention includes:
101. after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating heating and humidifying equipment;
102. continuously acquiring a flow signal of the electronic scale;
103. when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment;
104. when the flow signal of the electronic scale is smaller than a preset second flow threshold value, stopping heating the heating and humidifying equipment;
105. after the next incoming signal is acquired, S1 is executed again until the production is finished.
According to the invention, the heating equipment is controlled only after the incoming material signal is acquired, so that the steam waste caused by preheating of the HT equipment of the cut tobacco dryer before production is reduced, and after the HT equipment enters a standby state, the steam waste caused by the empty interval between two batches of silk thread production of the HT equipment is reduced by temporarily closing the electric positioning film valve, so that the purpose of silk thread steam energy consumption is further realized.
In order to describe the embodiment of the energy-saving control method for the cut-tobacco drier more specifically, the following provides another embodiment of the energy-saving control method for the cut-tobacco drier, and referring to fig. 2, the another embodiment of the energy-saving control method for the cut-tobacco drier provided by the present invention includes:
201. after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating the heating and humidifying equipment by using preset first steam pressure through an electric positioning film valve;
in this embodiment, after determining that the parameters of the cut-tobacco dryer satisfy the preset conditions, and obtaining the current incoming signal of the M5 storage type feeder at the outlet of the cut-tobacco dryer (it is understood that the current incoming signal is a signal of the tobacco material required for manufacturing the current batch of cut-tobacco threads entering the feeder), the heating and humidifying device (hereinafter referred to as HT device) may be preheated.
Furthermore, the parameters of the cut-tobacco dryer meeting the preset conditions are as follows: the temperature of the cylinder wall of the cut tobacco dryer is not less than 80 ℃.
Further, the process of starting HT for preheating can be as follows: the HT apparatus was preheated at 0.2MPa through an electrically positioned membrane valve.
202. Continuously acquiring a flow signal of the electronic scale;
in the process that the cut-tobacco drier is in the preheating state, the flow signal of the electronic scale needs to be acquired in real time so as to judge whether the cut-tobacco drier can carry out the production state.
203. When the flow signal of the electronic scale is not less than the preset first flow threshold, heating the heating and humidifying equipment by using preset second steam pressure through the electric positioning film valve after time delay;
when the flow signal of the electronic scale is not less than a preset first flow threshold (the value range of the flow signal is 1000-1200 KG/h and is usually set to 1000KG/h), after the delay time is 4s, the cut tobacco dryer enters a production state from a preheating state, then the heating and humidifying equipment is heated by preset second steam pressure through the electric positioning film valve, specifically, the value range of the preset second steam pressure is 0.5-0.8 Mpa, and the setting can be carried out according to actual needs.
204. When the flow signal of the electronic scale is smaller than a preset second flow threshold value, after time delay, the heating and humidifying equipment is heated by preset first steam pressure through the electric positioning film valve for a preset time period, and then the electric positioning film valve is closed;
when the flow signal of the electronic scale is smaller than a preset second flow threshold (the value range of the flow signal is 600-800 KG/h and is usually set to 800KG/h), the feeder is in an empty state, the falling edge of the production state is locked, after 4s of delay, the cut tobacco dryer enters a standby state from the production state, then the heating of the heating and humidifying equipment for a preset time period (usually set to 90s) is carried out through the electric positioning film valve by using a preset first steam pressure (the value range of the steam pressure is 0.1-0.4 Mpa and can be usually set to 0.2Mpa), and then the electric positioning film valve is closed. At this point, the production of the current batch of shredded tobacco is finished.
205. After the next incoming material signal is acquired, the process is executed again 201 until the production is finished.
And after the next incoming material signal is obtained, the next batch of shredded tobacco production is carried out, and the steps are repeated until the whole production flow of the shredded tobacco is finished.
Furthermore, in the production process of each batch of cut tobacco, an abnormality may occur, so the method for controlling the energy conservation of the cut tobacco dryer provided by the invention further comprises the following steps:
206. after a lifting machine at the inlet of the electronic scale is closed, and after the material of a feeding machine, no flow signal of the electronic scale and the steam pressure of heating and humidifying equipment are determined to be not less than a preset first steam pressure, and after a preset time period is delayed, the electric positioning film valve is closed.
The abnormity of the production process is confirmed, namely after a lifting machine at the inlet of the electronic scale is closed, the material of the feeding machine is confirmed, the electronic scale has no flow signal, the steam pressure of the heating and humidifying equipment is not less than the preset first steam pressure (which can be generally set to be 0.2Mpa), and after the preset time period (which can be generally set to be 90s) is delayed, the electric positioning thin film valve is closed.
According to the embodiment of the invention, by optimizing the control program of the film valve for the electrical positioning of the cut tobacco dryer HT, the waste of steam in the three conditions of preheating, medium (abnormal material breakage) and standby after the cut tobacco dryer HT is produced is reduced, so that the energy consumption of the silk thread steam is reduced.
The above is a detailed description of the energy-saving control method for the cut-tobacco dryer provided by the present invention, and the following is a description of the structure and connection relationship of the energy-saving control device for the cut-tobacco dryer provided by the present invention, referring to fig. 3, an embodiment of the energy-saving control device for the cut-tobacco dryer provided by the present invention includes:
the preheating module 301 is configured to preheat the heating and humidifying device after acquiring a current incoming material signal of the feeder and determining that a parameter of the cut tobacco dryer meets a preset condition;
an obtaining module 302, configured to continuously obtain an electronic scale flow signal;
the production module 303 is configured to heat the heating and humidifying device when the flow signal of the electronic scale is not less than a preset first flow threshold;
the first closing module 304 is used for stopping heating the heating and humidifying equipment when the flow signal of the electronic scale is smaller than a preset second flow threshold;
and the circulation module 305 is configured to re-trigger the preheating module until the production is finished after acquiring the next incoming material signal.
Furthermore, the preheating module 301 is further configured to preheat the heating and humidifying device by electrically positioning the film valve with a preset first steam pressure after acquiring the current incoming material signal of the feeder and determining that the parameter of the cut-tobacco drier meets the preset condition.
Furthermore, the production module 303 is further configured to heat the heating and humidifying device with a preset second steam pressure through the electrically positioning membrane valve after a time delay when the electronic scale flow signal is not less than the preset first flow threshold.
Furthermore, the first closing module 304 is further configured to close the electrically positioning membrane valve after the heating and humidifying device is heated by the electrically positioning membrane valve at the preset first steam pressure for the preset time period after the time delay when the electronic scale flow signal is smaller than the preset second flow threshold.
Furthermore, the invention provides an energy-saving control device of a cut-tobacco drier, which further comprises:
and the second closing module is used for closing the electric positioning film valve after the lifting machine at the inlet of the electronic scale is closed, determining that the material is fed to the feeding machine, the flow signal of the electronic scale is not available, and the steam pressure of the heating and humidifying equipment is not less than the preset first steam pressure and delaying for a preset time period.
Furthermore, the value range of the preset first steam pressure is 0.1-0.4 Mpa.
Furthermore, the preset value range of the second steam pressure is 0.5-0.8 Mpa.
Furthermore, the value range of the preset first flow threshold is 1000-1200 KG/h, and the value range of the preset second flow threshold is 600-800 KG/h.
Further, the preheating module 301 is configured to preheat the heating and humidifying device by using a preset first steam pressure through an electrical positioning film valve after the current incoming material signal of the feeder is acquired and the temperature of the cylinder wall of the cut-tobacco drier is determined to be not less than 80 ℃.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An energy-saving control method of a cut-tobacco drier is characterized by comprising the following steps:
s1: after a current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet preset conditions, preheating heating and humidifying equipment;
s2: continuously acquiring a flow signal of the electronic scale;
s3: when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment;
s4: when the flow signal of the electronic scale is smaller than a preset second flow threshold value, stopping heating the heating and humidifying equipment;
s5: after the next incoming signal is acquired, S1 is executed again until the production is finished.
2. The cut-tobacco drier energy-saving control method according to claim 1, wherein the preheating of the heating and humidifying device after the current incoming material signal of the feeder is obtained and the parameter of the cut-tobacco drier is determined to meet the preset condition is specifically as follows:
after the current incoming material signal of the feeder is obtained and the parameters of the cut tobacco dryer meet the preset conditions, preheating the heating and humidifying equipment by presetting first steam pressure through an electric positioning film valve.
3. The cut-tobacco dryer energy-saving control method according to claim 2, wherein when the flow signal of the electronic scale is not less than a preset first flow threshold, the heating and humidifying device is specifically heated as follows:
and when the flow signal of the electronic scale is not less than a preset first flow threshold value, heating the heating and humidifying equipment by using a preset second steam pressure through an electric positioning film valve after time delay.
4. The cut-tobacco dryer energy-saving control method according to claim 3, wherein when the flow signal of the electronic scale is smaller than a preset second flow threshold, the stopping of heating the heating and humidifying device specifically comprises:
and when the flow signal of the electronic scale is smaller than a preset second flow threshold value, after time delay, the heating and humidifying equipment is heated by preset first steam pressure through an electric positioning film valve for a preset time period, and then the electric positioning film valve is closed.
5. The method for controlling energy conservation of a cut-tobacco drier according to claim 4, further comprising:
after a lifting machine at an inlet of the electronic scale is closed, and after the material of the feeding machine, the no-flow signal of the electronic scale and the steam pressure of the heating and humidifying equipment are determined to be not less than the preset first steam pressure, and after the preset time period is delayed, the electric positioning film valve is closed.
6. The cut-tobacco dryer energy-saving control method according to claim 5, wherein the preset first steam pressure is in a range of 0.1-0.4 MPa.
7. The cut-tobacco dryer energy-saving control method according to claim 6, wherein the preset second steam pressure is in a range of 0.5-0.8 MPa.
8. The cut-tobacco drier energy-saving control method according to claim 7, wherein the preset first flow threshold value ranges from 1000 to 1200KG/h, and the preset second flow threshold value ranges from 600 to 800 KG/h.
9. The cut-tobacco drier energy-saving control method according to any one of claims 2 to 8, wherein the determining that the parameters of the cut-tobacco drier meet the preset conditions is specifically:
the temperature of the cylinder wall of the cut tobacco dryer is determined to be not less than 80 ℃.
10. An energy-saving control device of a cut-tobacco drier is characterized by comprising:
the preheating module is used for preheating the heating and humidifying equipment after acquiring a current incoming material signal of the feeder and determining that the parameters of the cut tobacco dryer meet preset conditions;
the acquisition module is used for continuously acquiring a flow signal of the electronic scale;
the production module is used for heating the heating and humidifying equipment when the flow signal of the electronic scale is not less than a preset first flow threshold value;
the first closing module is used for stopping heating the heating and humidifying equipment when the flow signal of the electronic scale is smaller than a preset second flow threshold value;
and the circulating module is used for triggering the preheating module again until the production is finished after the next material incoming signal is obtained.
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| CN201811623907.8A CN111381568B (en) | 2018-12-28 | 2018-12-28 | Cut-tobacco dryer energy-saving control method and device |
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| CN201811623907.8A CN111381568B (en) | 2018-12-28 | 2018-12-28 | Cut-tobacco dryer energy-saving control method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113778012A (en) * | 2021-09-17 | 2021-12-10 | 安徽中烟工业有限责任公司 | Cut tobacco dryer steam use control method |
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| CN115291578B (en) * | 2022-08-31 | 2024-04-30 | 歌尔股份有限公司 | Auxiliary material attaching control method and device, terminal equipment and storage medium |
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| CN111381568B (en) | 2023-05-30 |
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