CN108413763B - Automatic adjust hot-blast drying system and control system thereof - Google Patents
Automatic adjust hot-blast drying system and control system thereof Download PDFInfo
- Publication number
- CN108413763B CN108413763B CN201810296738.5A CN201810296738A CN108413763B CN 108413763 B CN108413763 B CN 108413763B CN 201810296738 A CN201810296738 A CN 201810296738A CN 108413763 B CN108413763 B CN 108413763B
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- Prior art keywords
- bin
- plc
- air
- electrically connected
- air door
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- 238000001035 drying Methods 0.000 title claims abstract description 27
- 235000013339 cereals Nutrition 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims abstract 6
- 238000007605 air drying Methods 0.000 claims 5
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
-
- 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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a drying system capable of automatically adjusting hot air and a control system thereof, which comprise a bin, a PLC, a proportional air door device, an air temperature sensor, a humidity tester, a Gu Wen sensor, a grain density detection unit, a display and a storage unit, wherein the proportional air door device is arranged on an air inlet of the bin and is electrically connected with the PLC, the air temperature sensor is arranged between the proportional air door device and the air inlet of the bin and is electrically connected with the PLC, a plurality of humidity testers and Gu Wen sensors are respectively arranged inside the bin and are electrically connected with the PLC, the grain density detection unit is arranged at a feed inlet of the bin and is electrically connected with the PLC, and the display and the storage unit are respectively arranged on the bin and are electrically connected with the PLC. This system lets proportion air door automatically regulated according to two real-time parameters of temperature and moisture content, can improve stoving quality and efficiency when cereal is dry to and judge cereal and then automatic stoving cereal automatically.
Description
Technical Field
The invention relates to the technical field of agricultural mechanical equipment, in particular to a drying system capable of automatically adjusting hot air and a control system thereof.
Background
In order for the grain to be better stored, the harvested grain needs to be dried in time. There are two conventional drying methods: one of the methods is to naturally sun-cure the grains by using sunlight, which saves energy, but is difficult to grasp weather conditions, and once the grains are exposed to sudden rainy weather, the sun-cured grains are wetted and mildewed, so that huge losses are caused; the other method is to adopt special drying machinery for drying, and the special drying machinery can be used for rapidly drying the grains.
The utility model discloses a CN104315831A provides a grain drier automatic control system, including PLC control module, temperature and humidity control module, temperature sensor, humidity transducer, the desiccator heater, the desiccator fan, the radiator, PLC control module links to each other with temperature sensor, humidity transducer, temperature and humidity control module, temperature sensor links to each other with the desiccator heater, humidity transducer links to each other with the desiccator fan, temperature and humidity control module links to each other with radiator and desiccator fan, the last keyboard setting module that still is connected with of temperature and humidity control module, memory module. According to the invention, the temperature and humidity of hot air and the humidity of grains in the grain drying process are automatically controlled through the temperature and humidity sensor and the control module, so that the dryness of the grains reaches a preset value, intelligent and accurate control is realized, and the automation degree of the dryer is improved.
The automatic control system of the grain drier can intelligently and accurately control, but the system cannot judge the types of grains, and because the humidity of different grains in storage and the temperature corresponding to different humidities in the drying process are different, the system needs to readjust the information in the control module when drying different types of grains, so that the process is more complicated.
Disclosure of Invention
The invention aims to provide a drying system capable of automatically adjusting hot air and a control system thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an automatic hot-blast drying system of regulation, includes feed bin, proportion air door, intake pipe, anemometer, cereal temperature-sensing meter, moisture appearance and control box, wherein:
the proportion air door is communicated with the feed bin through the air inlet pipe, the air thermometer is arranged on the feed bin and located beside the air inlet pipe, the grain temperature sensor is arranged inside the feed bin, the moisture meter is arranged on the lower side of the feed bin, and the control box is fixedly arranged on the feed bin.
Preferably, the control box is electrically connected with the proportional air door, the air thermometer, the grain temperature sensor and the moisture meter respectively.
Preferably, one end of the air inlet pipe is fixedly connected with the stock bin, and the other end of the air inlet pipe is fixedly connected with the proportional air door
The utility model provides an automatic hot-blast control system of regulation, includes feed bin, PLC, proportion air door device, wind temperature sensor, hygrometer, gu Wen sensor, cereal density detecting element, display and memory cell, wherein:
the proportion air door device is installed on the air inlet of the bin and is electrically connected with the PLC, the air temperature sensor is installed between the proportion air door device and the air inlet of the bin and is electrically connected with the PLC, the humidity measuring instrument and the Gu Wen sensor are respectively installed inside the bin and are electrically connected with the PLC, the grain density detecting unit is installed at the feed inlet of the bin and is electrically connected with the PLC, and the display and the storage unit are respectively installed on the bin and are electrically connected with the PLC.
Preferably, a plurality of the hygrometers and Gu Wenchuan sensors are equidistantly distributed in the bin.
Preferably, the proportional throttle device is an electric linear proportional throttle.
Preferably, the grain density detection unit is a densitometer.
Preferably, the storage unit is a readable and writable memory.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through two real-time parameters of temperature and moisture content, the proportional air door is automatically adjusted, so that the drying quality and efficiency can be improved in the grain drying industry, and the potential safety hazard is reduced.
2. According to the system, the grain density detection unit is used for automatically judging the types of grains, and then the grains are dried according to the temperatures required to be dried of different grains, so that the condition that the grains are damaged due to overhigh temperature when the system is used for drying the different grains is ensured.
Drawings
FIG. 1 is a block diagram of a control system according to the present invention;
fig. 2 is a side view of the drying system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1 and 2, an automatic hot air adjusting drying system comprises a stock bin 1, a proportional air door 2, an air inlet pipe 3, an air thermometer 4, a grain temperature sensor 5, a moisture meter 6 and a control box 7, wherein:
one end of an air inlet pipe 3 is fixedly connected with a storage bin 1 through a flange, the other end of the air inlet pipe is fixedly connected with a proportional air door 2 through a flange, the proportional air door 2 is in sealing connection with a hot air inlet pipe, the proportional air door 2 is communicated with the storage bin 1 through the air inlet pipe 3, an air thermometer 4 is installed on the storage bin 1 and located beside the air inlet pipe 3, a grain temperature sensor 5 is installed inside the storage bin 1, a moisture meter 6 is installed on the lower side of the storage bin 1, a control box 7 is fixedly installed on the storage bin 1, and the control box 7 is respectively electrically connected with the proportional air door 2, the air thermometer 4, the grain temperature sensor 5 and the moisture meter 6.
The utility model provides an automatic hot-blast control system of regulation, includes feed bin, PLC, proportion air door device, wind temperature sensor, hygrometer, gu Wen sensor, cereal density detecting element, display and memory cell, wherein:
the proportion air door device is installed on the air inlet of the bin and is electrically connected with the PLC, the proportion air door device is an electric linear proportion air door, an external hot air inlet pipe is installed at one end, which is not connected with the air inlet of the bin, of the proportion air door device, an air temperature sensor is installed between the proportion air door device and the air inlet of the bin and is electrically connected with the PLC, a plurality of humidity measuring instruments and Gu Wen sensors are respectively installed inside the bin and are electrically connected with the PLC, the humidity measuring instruments and Gu Wenchuan sensors are distributed in the bin at equal intervals, a grain density detecting unit is installed at the feed inlet of the bin and is electrically connected with the PLC, the grain density detecting unit is a density measuring instrument, a display and a storage unit are respectively installed on the bin and are electrically connected with the PLC, and the storage unit is a readable and writable memory, wherein densities of different types of grains and optimal drying temperature values corresponding to the different types of grains under different humidity are stored in the readable and writable memory.
The working principle of the control system for automatically adjusting hot air is as follows: firstly, the grain to be dried is conveyed into a storage bin, the humidity measuring instrument and the Gu Wen sensor are respectively in contact with the grain, then the temperature and the humidity of the grain are directly measured, measured data are transmitted into the PLC, then the grain density detecting unit is used for measuring the density of the grain, measured data are transmitted into the PLC, at the moment, the PLC is used for taking the density of each grain stored in the storage unit and comparing the density of the grain with the measured grain density, then the types of the grain are judged according to the density, after the judgment, the temperature and the humidity of the grain measured by the humidity measuring instrument and the Gu Wen sensor and the drying temperature required by different humidities of the grain in the drying process are compared, if the temperature of the grain measured by the temperature measuring instrument is lower than the drying temperature required by the grain stored in the storage unit in the state of humidity, the PLC gives a control instruction to the proportional air door device, the opening of the proportional air door device is increased, the measured temperature is increased, at the moment, the measured data are transmitted into the PLC, the temperature measured by the PLC is judged by the temperature sensor, the difference value measured by the temperature sensor and the Gu Wenchuan sensor is judged by the PLC, the temperature difference value measured by the PLC, the temperature measured by the humidity sensor is different from the PLC, the temperature is automatically adjusted by the PLC, and the temperature is further different from the temperature value of the temperature of the grain in the storage unit, and the temperature is different from the temperature value.
Although embodiments of the present invention 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 principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic hot-blast drying system of regulation, includes feed bin (1), proportion air door (2), intake pipe (3), wind thermometer (4), cereal temperature-sensing meter (5), moisture appearance (6) and control box (7), its characterized in that:
the proportional air door (2) is communicated with the bin (1) through an air inlet pipe (3), the air thermometer (4) is arranged on the bin (1) and is positioned beside the air inlet pipe (3), the grain temperature sensor (5) is arranged inside the bin (1), the moisture meter (6) is arranged on the lower side of the bin (1), and the control box (7) is fixedly arranged on the bin (1);
one end of the air inlet pipe (3) is fixedly connected with the stock bin (1), and the other end of the air inlet pipe is fixedly connected with the proportional air door (2);
the drying system further comprises a control system, and comprises a storage bin, a proportional air door device, an air temperature sensor, a humidity measuring instrument, a Gu Wen sensor, a grain density detecting unit, a display and a storage unit, and is characterized in that:
the proportional air door device is arranged on an air inlet of the bin and is electrically connected with the PLC, the air temperature sensor is arranged between the proportional air door device and the air inlet of the bin and is electrically connected with the PLC, the humidity measuring instrument and the Gu Wen sensor are respectively arranged in the bin and are electrically connected with the PLC, the grain density detecting unit is arranged at a feed inlet of the bin and is electrically connected with the PLC, and the display and the storage unit are respectively arranged on the bin and are electrically connected with the PLC;
the humidity measuring instrument and the Gu Wen sensor are respectively contacted with the grains, the temperature and the humidity of the grains are directly measured, measured data are transmitted to the PLC, then the grain density detecting unit is used for measuring the density of the grains, the measured data are transmitted to the PLC, at the moment, the PLC is used for retrieving the density of each grain stored in the storage unit and comparing the density with the measured grain density, the types of the grains are judged according to the density, the temperature and the humidity of the grains measured by the humidity measuring instrument and the Gu Wen sensor after the judgment is finished, the drying temperatures of the grains required by different humidities in the drying process are compared, and the opening size of the air door device of the comparative example is controlled.
2. The automatically regulated heated air drying system of claim 1, wherein: the control box (7) is respectively and electrically connected with the proportional air door (2), the air thermometer (4), the grain temperature sensor (5) and the moisture meter (6).
3. The automatically regulated heated air drying system of claim 1, wherein: a plurality of hygrometers and Gu Wenchuan sensors are equidistantly distributed in the storage bin.
4. The automatically regulated heated air drying system of claim 1, wherein: the proportional air door device is an electric linear proportional air door.
5. The automatically regulated heated air drying system of claim 1, wherein: the grain density detection unit is a density tester.
6. The automatically regulated heated air drying system of claim 1, wherein: the storage unit is a readable and writable memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296738.5A CN108413763B (en) | 2018-04-03 | 2018-04-03 | Automatic adjust hot-blast drying system and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296738.5A CN108413763B (en) | 2018-04-03 | 2018-04-03 | Automatic adjust hot-blast drying system and control system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108413763A CN108413763A (en) | 2018-08-17 |
| CN108413763B true CN108413763B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810296738.5A Active CN108413763B (en) | 2018-04-03 | 2018-04-03 | Automatic adjust hot-blast drying system and control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413763B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397356A (en) * | 2020-03-13 | 2020-07-10 | 湖北三盟机械制造有限公司 | Variable-temperature drying method for grains |
| CN114367432A (en) * | 2021-03-25 | 2022-04-19 | 中冶长天国际工程有限责任公司 | Lump ore screening and drying integrated pretreatment system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997011358A1 (en) * | 1995-09-20 | 1997-03-27 | Institutt For Energiteknikk | Measurement of moisture content of timber |
| JP2000258061A (en) * | 1999-03-08 | 2000-09-22 | Shizuoka Seiki Co Ltd | Grain dryer |
| CN2694194Y (en) * | 2004-01-29 | 2005-04-20 | 罗希雷 | Continuous catalyst far infrared grain drier |
| CN104315831A (en) * | 2014-07-31 | 2015-01-28 | 江苏华瑞农业科技有限公司 | Automatic control system for grain drying machine |
| CN107861540A (en) * | 2017-11-16 | 2018-03-30 | 常德科祥机电制造有限公司 | A kind of grain drying machine automaton and its control method |
| CN208059535U (en) * | 2018-04-03 | 2018-11-06 | 安徽唯嵩光电科技有限公司 | A kind of drying system and its control system of automatic adjustment hot wind |
-
2018
- 2018-04-03 CN CN201810296738.5A patent/CN108413763B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997011358A1 (en) * | 1995-09-20 | 1997-03-27 | Institutt For Energiteknikk | Measurement of moisture content of timber |
| JP2000258061A (en) * | 1999-03-08 | 2000-09-22 | Shizuoka Seiki Co Ltd | Grain dryer |
| CN2694194Y (en) * | 2004-01-29 | 2005-04-20 | 罗希雷 | Continuous catalyst far infrared grain drier |
| CN104315831A (en) * | 2014-07-31 | 2015-01-28 | 江苏华瑞农业科技有限公司 | Automatic control system for grain drying machine |
| CN107861540A (en) * | 2017-11-16 | 2018-03-30 | 常德科祥机电制造有限公司 | A kind of grain drying machine automaton and its control method |
| CN208059535U (en) * | 2018-04-03 | 2018-11-06 | 安徽唯嵩光电科技有限公司 | A kind of drying system and its control system of automatic adjustment hot wind |
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| Publication number | Publication date |
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| CN108413763A (en) | 2018-08-17 |
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