CN105728082B - Wheat dampening control equipment - Google Patents
Wheat dampening control equipment Download PDFInfo
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- CN105728082B CN105728082B CN201410751434.5A CN201410751434A CN105728082B CN 105728082 B CN105728082 B CN 105728082B CN 201410751434 A CN201410751434 A CN 201410751434A CN 105728082 B CN105728082 B CN 105728082B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B1/00—Preparing grain for milling or like processes
- B02B1/08—Conditioning grain with respect to temperature or water content
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Abstract
The invention discloses wheat dampening control equipment, which belongs to the field of flour production equipment, and comprises a powerful dampening machine, a water valve, a main controller, a front probe measuring device and a rear probe measuring device, wherein: the front probe measuring device is suitable for measuring the moisture content of the dry wheat and the wheat flow; the rear probe measuring device is suitable for measuring the moisture content of wet wheat after wetting; the main controller calculates the water flow to be absorbed according to the measured dry wheat moisture content, the wheat flow and the set moisture value, and sends a rough adjustment instruction to the water valve to supply water to the powerful dampening machine; the main controller compares the moisture content of the wet wheat with a set moisture value, and if the moisture content of the wet wheat is different from the set moisture value, a fine adjustment instruction for increasing or decreasing the water amount is sent to the strong dampening machine. The invention can improve the detection precision and the processing efficiency of the wheat, reduce the product cost, promote the intellectualization of the wheat processing process and promote the development process of the wheat processing industry.
Description
Technical Field
The invention relates to the technical field of flour production equipment, in particular to wheat dampening control equipment.
Background
The wheat dampening control equipment in China has no significant technical progress in more than 20 years after being developed and succeeded in the eighth and ninety years of the last century. Particularly, in 2007, after the use of gamma rays in the grain field is strictly prohibited, the precision of the wheat watering control device is not further improved, but is reduced.
Disclosure of Invention
In view of the above problems, the present invention is proposed to provide a wheat watering control device that overcomes or at least partially solves the above problems, and a set of novel wheat watering control device with multiple sensors is developed by utilizing internet of things and intelligent sensing devices in the wheat watering control device, and through big data storage, analysis and processing, the influences of wheat watering, wheat wetting, cleaning, grinding and other links, and factors such as temperature, volume weight, atmospheric humidity, atmospheric temperature and the like on the water content of flour.
According to one aspect of the invention, the wheat dampening control equipment comprises a powerful dampening machine, a water valve, a main controller, a front probe measuring device and a rear probe measuring device, wherein:
the front probe measuring device is suitable for measuring the moisture content of the dry wheat and the wheat flow;
the rear probe measuring device is suitable for measuring the moisture content of wet wheat after wetting;
the main controller calculates the water flow to be absorbed according to the measured moisture content of the dry wheat, the measured wheat flow and a set moisture value, sends a rough adjustment instruction to the water valve and supplies water to the powerful dampening machine;
the main controller compares the moisture content of the wet wheat with the set moisture value, and if the moisture content of the wet wheat is different from the set moisture value, a fine adjustment instruction for increasing or decreasing the water volume is sent to the strong dampening machine.
Further, the wheat wetting moisture detector is also included and is suitable for measuring the moisture content of wet wheat after wheat wetting.
Further, the flour moisture content measuring device is also included and is suitable for measuring the moisture content of the flour.
Furthermore, the moisture content of the wet wheat after wheat wetting and/or the moisture content of the flour are large hysteresis data, and the set moisture value is compensated by combining the data with the ambient environment data.
Furthermore, the wheat density measuring device also comprises a volume weight sensor which is suitable for measuring the wheat density and eliminating the influence of the density on the wheat moisture.
Furthermore, the device also comprises a temperature sensor which is suitable for measuring the temperature of the wheat and eliminating the influence of the temperature on the moisture of the wheat.
Furthermore, the rear probe measuring device is a microwave sensor and is arranged on two sides of the outlet chute of the powerful dampener.
Further, the main controller sends a fine adjustment instruction to the powerful dampening machine and adjusts the fine adjustment instruction by adopting least beat successive approximation, so that the difference value between the dampening result and the set moisture is gradually reduced until the dampening result and the set moisture are consistent.
Further, the minimum beat successive approximation method is that a negative feedback is utilized, the difference value between the dampening result measured each time and the set moisture is input into a third-order phase-locked loop for filtering, the value output by filtering is input into the wheat dampening control equipment as a control quantity, the dampening control equipment corrects the opening and closing amplitude of a water valve by utilizing the input control quantity, and finally the dampening measurement value is consistent with the set moisture value.
Further, the main controller comprises a water quantity control module and a data processing module, and the main controller fuzzes the sensor parameters by adopting a fuzzy control algorithm.
Further, the water amount control module further comprises a water amount control correction module, and the data processing module is further divided into a wheat humidity calculation module and a wheat humidity correction calculation module, wherein:
the water quantity control correction module corrects the opening degree of the water valve through a filtering algorithm according to the difference value between the moisture content of the wetted wet wheat obtained by the measurement of the rear probe measuring device and the set moisture value, so as to achieve the aim of accurately controlling the moisture;
the wheat humidity calculation module obtains the water attachment amount of the wheat by comparing the moisture content of the dry wheat, the moisture content of the wet wheat and the wheat flow data;
the wheat humidity correction calculation module calculates the moisture loss of the wheat by measuring the environmental temperature, the humidity, the moisture content after wheat wetting and the moisture content data after wheat flour forming, and corrects the set moisture value of the wheat.
The invention has the following beneficial effects: the invention provides wheat dampening control equipment, which can improve the detection precision and the processing efficiency, reduce the product cost, promote the intellectualization and the visualization of the wheat processing process and promote the development process of the wheat processing industry.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a wheat dampening control device according to a first embodiment of the invention;
fig. 2 shows a schematic block diagram of a wheat dampening control device according to a second embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
For the purpose of facilitating an understanding of the embodiments of the present invention, the following description will be made in terms of several specific embodiments with reference to the accompanying drawings, and the drawings are not intended to limit the embodiments of the present invention.
Example one, wheat dampening control device.
Fig. 1 is a schematic structural diagram of a wheat dampening control device according to a first embodiment of the present invention, and as shown in fig. 1, the embodiment of the present invention includes a powerful dampening machine 103, a water valve 105, a main controller 101, a front probe measurement device 102, and a rear probe measurement device 104, where:
the front probe measuring device 102 is suitable for measuring the moisture content of the dry wheat and the wheat flow;
the rear probe measuring device 104 is adapted to measure the moisture content of wet wheat after wetting;
the main controller 101 calculates the water-adhering flow according to the measured moisture content of the dry wheat, the measured wheat flow and the set moisture value, and sends a rough adjustment instruction to the water valve 105 to supply water to the strong water adhering machine 103;
the main controller 101 compares the moisture content of the wet wheat with the set moisture value, and if the moisture content of the wet wheat is different from the set moisture value, a fine adjustment instruction for increasing or decreasing the water amount is sent to the strong dampener 103.
In an embodiment of the present invention, a moisture detector 106 is further included, which is adapted to measure the moisture content of the wet wheat after wheat wetting.
In the preferred embodiment of the present invention, a moisture detector 107 is further included after the flour is formed, which is suitable for measuring the moisture content of the flour.
In an embodiment of the present invention, it is preferable that the moisture content of the wet wheat after wheat wetting and/or the moisture content of the flour are large hysteresis data, and the set moisture value is compensated by combining the data with the ambient environment data.
In the embodiment of the invention, the wheat moisture sensor is preferably further provided with a volume weight sensor 109, which is suitable for measuring the density of the wheat and eliminating the influence of the density on the moisture of the wheat.
In the embodiment of the invention, the wheat moisture sensor is preferably further provided with a temperature sensor 108, which is suitable for measuring the temperature of the wheat and eliminating the influence of the temperature on the moisture of the wheat.
In the preferred embodiment of the present invention, the rear probe measuring device 104 is a microwave sensor, and is disposed on both sides of the outlet chute of the powerful dampener 103.
Preferably, in the embodiment of the present invention, the main controller 101 sends a fine adjustment instruction to the powerful dampener 103, and the fine adjustment instruction is adjusted by using least beat successive approximation, so that the dampening result and the difference value of the set moisture are gradually reduced until the dampening result and the set moisture are consistent.
In the embodiment of the invention, preferably, the least-beat successive approximation method is that negative feedback is utilized, the difference value between the dampening result measured each time and the set moisture is input into a third-order phase-locked loop for filtering, the value output by filtering is input into the wheat dampening control equipment as a control quantity, the dampening control equipment corrects the switching amplitude of a water valve by utilizing the input control quantity, and finally the dampening measurement value is consistent with the set moisture value.
In the preferred embodiment of the present invention, the main controller 101 includes a water volume control module 1011 and a data processing module 1012, and the main controller 101 performs fuzzification processing on the sensor parameters by using a fuzzy control algorithm.
In the preferred embodiment of the present invention, the main controller 101 includes a water volume control module 1011 and a data processing module 1012.
In the preferred embodiment of the present invention, the water supply system further includes a display 110 for visually displaying data such as the measured value of the sensor, the calculated value of the water amount, the intermediate value, and the like, so as to facilitate the intuitive observation of the operator and timely correct the set water amount and the water amount control algorithm.
The preferred embodiment of the present invention further comprises a keyboard 111, which can be used as a man-machine input interface for inputting the set moisture value and the water amount control algorithm.
Example two, wheat dampening control device.
Fig. 2 is a schematic block diagram of a wheat dampening control device according to a second embodiment of the present invention. As shown in fig. 2, the embodiment of the present invention includes a human-machine input interface 201, a microwave sensor 202, a wheat flow sensor 203, a water flow sensor 204, a main controller 101, a temperature sensor 108, a volume weight sensor 109, and a water amount control module 1011 in fig. 1, and further includes a water amount control correction module 209, and the data processing module 1012 is further divided into a wheat humidity calculation module 205 and a wheat humidity correction calculation module 206, wherein:
the water amount control correction module 209 corrects the opening degree of the water valve through a filtering algorithm according to the difference value between the moisture content of the wetted wet wheat obtained by the measurement of the rear probe measuring device 104 and the set moisture value, so as to achieve the purpose of accurately controlling the moisture;
the wheat humidity calculation module 205 obtains the water uptake of wheat by comparing the moisture content of dry wheat, the moisture content of wet wheat and the wheat flow data;
the wheat humidity correction calculation module 206 calculates the moisture loss of wheat by measuring the environmental temperature, humidity, moisture content after wheat wetting and moisture content data after wheat flour forming, and corrects the set moisture value of wheat.
Preferably, in this embodiment of the present invention, the main controller 101 further includes a status display module 207.
In the preferred embodiment of the present invention, the main controller 101 further includes a strong dampening machine control module 209, which is adapted to control the start and stop of the strong dampening machine 103.
The overall parameter design in the embodiment of the invention is as follows:
the preset moisture range is as follows: 10 to 20 percent
The precision of the dampening control is as follows: plus or minus 0.15 percent
Water flowmeter measurement accuracy: plus or minus 0.1 percent
Temperature measurement accuracy: plus or minus 0.5 degree
Temperature measurement range: -40 to 60 °
Humidity measurement accuracy: 0 to 100 percent
Humidity measurement accuracy: less than or equal to 3 percent
Volume weight measurement accuracy: 0.1 percent.
Of course, the selection and range of the above parameters can be adjusted according to the actual application environment, and the implementation of the object of the present invention is not affected.
The wheat dampening control device of the present invention will be described in detail with reference to fig. 1 and 2.
The invention relates to intelligent wheat dampening control equipment based on multi-data fusion, which comprises a main controller 101, a front channel measuring device 102, a powerful dampening machine 103, a rear channel measuring device 104, a water valve 105, a wheat wetting rear water detector 106, a flour forming rear water detector 107, a temperature sensor 108, a volume weight sensor 109, a display 110 and a keyboard 111, wherein the main controller 101 comprises a water quantity control module 1011 and a data processing module 1012. The front probe measuring device 102 includes a dry wheat moisture detector and a wheat flow sensor 203 for measuring the instantaneous dry wheat moisture content and wheat flow, respectively. The back probe measurement device 104 measures the moisture content of wet wheat. The water valve 105 is an electromagnetic valve used in the embodiment of the present invention to control the amount of water supplied. The keyboard 111, which is a specific embodiment of the human input interface 201 shown in fig. 2, inputs the set moisture and water control algorithm. Wherein, the water quantity control algorithm obtains the opening degree of the water valve according to the water adding quantity of wheat.
The microwave sensor 202 in fig. 2 is an embodiment of the dried wheat moisture detector, the rear probe measurement device 104, the post-wheat moisture detector 106, and the post-wheat moisture detector 107 in the front probe measurement device 102 of fig. 1. The wheat dampening control device inputs test signals (dry wheat moisture, wet wheat moisture, wheat flow and the like) at the input end of the main controller 101, and the main controller 101 enables the opening degree of the water valve to be automatically adjusted along with the measured wet wheat moisture value according to the change of the difference value between the wet wheat moisture and a given value. Specifically, when the moisture content of the wet wheat is higher than a given value, the opening degree of the water valve is reduced under the control of the main controller 101; when the moisture of the wet wheat is lower than a given value, the opening degree of the water valve is increased, so that the moisture content of the wheat after being wetted is not influenced by factors such as the moisture of the dry wheat, the flow rate of the water and the like, and is stabilized at a desired value.
Wherein the front probe measuring device 102 detects the moisture content and flow rate of the dry wheat before water application for rough adjustment of the water application; the rear probe measuring device 104 detects the moisture content of wet wheat after being wetted and is used for fine adjustment of the wetted amount; the moisture detector 106 after wheat wetting and the moisture detector 107 after wheat powdering test the moisture content after wheat wetting, and the value is used for accurately debugging the water attachment.
Specifically, as the dry wheat passes through the pre-probe measuring device 102 (moisture detector and wheat flow sensor 203), signals of the instantaneous moisture content and wheat flow rate, respectively, are measured. The main controller calculates a preset moisture value and the actually measured moisture and flow of wheat to calculate a proper flow of water to be attached, and sends a rough adjustment instruction to the electromagnetic valve of the execution part to supply water to the powerful water attaching machine 103 (also called a water attaching winch).
Specifically, the moisture content of wet wheat after being wetted can be obtained by the rear probe measuring devices 104 arranged on two sides of the outlet chute of the powerful dampener 103, namely the microwave sensors 202 in fig. 2. The main controller 101 compares the moisture of the wet wheat with a preset moisture value, if a difference exists, a fine adjustment instruction for increasing or decreasing the water volume is sent to a water supply mechanism, namely the powerful dampening machine 103, and the adjustment is carried out by adopting a least-beat successive approximation method, so that the difference between the dampening result and the set requirement is gradually reduced until the dampening result is consistent with the set requirement. After the watering result is consistent with the setting, the water supply amount is kept unchanged; if the difference is generated, the adjustment is continued.
In the solution of the invention, there are many sensors, each of which extracts one data per second, forming a huge database. The influence mechanism of the sensor parameters on the wheat wetting accuracy is complex, has great uncertainty, and is difficult to process by using the conventional linear and nonlinear control theory. After carefully analyzing the strength of the influence of each sensor parameter on the wheat watering precision, fuzzifying each sensor parameter by using a fuzzy control method to form a complex relational expression of multiple input data (wheat temperature, wheat density, wheat flow, water flow, environment temperature, environment humidity, dry wheat moisture content, wet wheat moisture content after wheat wetting, moisture content after flour forming and the like) and output data (the opening degree of a water valve). The relation does not need to establish a mathematical model, and provides an easy and effective implementation scheme for the nonlinear controller through multi-data fusion and a fuzzy control algorithm.
On the basis of automatically controlling the powerful dampening machine 103, not only are detection channels for detecting moisture arranged at the inlet and the outlet of the powerful dampening machine 103, but also two moisture detectors are added after wheat wetting and flour forming. Because the lag time for moisture detection after wheat wetting (after 12-24 hours) and moisture detection after wheat processing into flour (longer than 24 hours lag time) is very long, an intelligent control scheme of a large lag system is required. The wheat after being watered needs to be moistened (generally for 24 hours), conveyed by wind and the like. The moisture loss of wheat in the links has a close relationship with the ambient air humidity and temperature. After the approximate relation between the wheat moisture loss and the ambient air humidity and temperature is obtained through a fuzzy control method, the moisture loss can be fed back to the wheat dampening control equipment in advance by measuring the ambient air humidity and temperature, so that the influence of the ambient air humidity and temperature on the wheat dampening precision is weakened or even completely eliminated.
Specifically, the moisture detector can obtain the moisture content of wet wheat and the moisture content of flour after wheat wetting and flour forming, and the large hysteresis data combines the data of ambient air humidity, temperature and the like to accurately adjust the target moisture value of the moisture control equipment, namely the set moisture value. The post-powdering moisture meter can obtain a difference between a set value and an actual value, which is a variation in moisture after a long time lag (at least 24 hours) of the moisture content obtained by the post-probe measurement device 104 with the ambient environment (including ambient humidity, temperature, debranned, etc.). The variation is considered to be the variation in the moisture content of wheat and the environmental effect. The difference value is compensated to the target moisture set value, so that the moisture precision after milling can be greatly improved.
The invention further corrects the test precision of various moisture contents through the volume weight sensor and the temperature sensor.
Wherein, the volume weight sensor measures the wheat density, and the temperature sensor measures the wheat temperature. Density and temperature are two key factors that affect the accuracy of microwave measurement of wheat moisture. The relation between the density and the temperature to the moisture precision can be obtained through actual measurement data, and then the influence of the density and the temperature on the wheat moisture can be eliminated through the volume weight sensor and the temperature sensor, so that the measurement precision of the wheat moisture is improved.
In particular, the bulk-weight sensor, also known as a bulk-weight meter, functions to measure the bulk weight (i.e., a method of expressing density) of wheat. In the present invention, the volume weight (density) is obtained by filling wheat into a container of a fixed volume and then measuring the weight difference between an empty container and a full container.
It should be noted that, although the invention is described by taking a wheat dampening control device as an example, in practical application, the principle and structure of the solution can be applied to any dampening device or dampening control device, and is not limited to wheat as a special variety.
According to the wheat dampening control device disclosed by the invention, the Internet of things and intelligent sensing equipment are utilized in the wheat dampening control device, and the influence of factors such as temperature, volume weight, atmospheric humidity and atmospheric temperature on the water content of flour is deeply known through big data storage, analysis and processing, so that a set of novel wheat dampening control device with multiple sensors is developed, the wheat moisture detection precision and flour processing efficiency can be improved, the product cost is reduced, the intellectualization and visualization of the wheat processing process are promoted, and the development process of the wheat processing industry is promoted.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. Wheat dampening controlgear, including powerful dampening machine, water valve and main control unit, its characterized in that still includes preceding probe measuring device, back probe measuring device, wherein:
the front probe measuring device is suitable for measuring the moisture content of the dry wheat and the wheat flow;
the rear probe measuring device is suitable for measuring the moisture content of wet wheat after wetting;
the main controller calculates the water flow to be absorbed according to the measured moisture content of the dry wheat, the measured wheat flow and a set moisture value, sends a rough adjustment instruction to the water valve and supplies water to the powerful dampening machine;
the main controller fuzzifies the sensor parameters by adopting a fuzzy control algorithm; the main controller compares the moisture content of the wet wheat with the set moisture value, and if the moisture content of the wet wheat is different from the set moisture value, a fine adjustment instruction for increasing or decreasing the water quantity is sent to the strong dampener according to the sensor parameters of fuzzy processing; the main controller sends a fine adjustment instruction to the powerful dampening machine and adjusts the fine adjustment instruction by adopting a minimum beat successive approximation method, the minimum beat successive approximation method is that a difference value between a dampening result measured each time and set moisture is input into a three-order phase-locked loop for filtering by using negative feedback, a value output by filtering is input into the wheat dampening control equipment as a control quantity, and the dampening control equipment corrects the switching amplitude of a water valve by using the input control quantity; the difference value between the watering result and the set moisture is gradually reduced until the difference value is consistent with the set moisture;
the value range of the set moisture value is 10-20%; the coarse adjustment instruction and the fine adjustment instruction are controlled and adjusted under the control precision of +/-0.15%; the measurement accuracy of the water flow meters in the front probe measuring device and the rear probe measuring device is +/-0.1%.
2. The wheat dampening control device of claim 1, wherein: the wheat wetting moisture detector is suitable for measuring the moisture content of wet wheat after wheat wetting.
3. The wheat dampening control device of claim 2, wherein: the flour moisture content measuring device is suitable for measuring the moisture content of the flour.
4. The wheat dampening control device of claim 3, wherein: and the moisture content of the wet wheat after wheat wetting and/or the moisture content of the flour are large hysteresis data, and the set moisture value is compensated by combining the data with the surrounding environment.
5. The wheat dampening control device of any one of claims 1 to 4, wherein: the device also comprises a volume weight sensor which is suitable for measuring the density of the wheat and eliminating the influence of the density on the moisture of the wheat.
6. The wheat dampening control device of claim 5, wherein: the device also comprises a temperature sensor which is suitable for measuring the temperature of the wheat and eliminating the influence of the temperature on the moisture of the wheat.
7. The wheat dampening control device of claim 1, wherein: the rear probe measuring device is a microwave sensor and is arranged on two sides of the outlet chute of the powerful dampener.
8. Wheat dampening control device according to any one of claims 1 to 4, 6 or 7, characterized in that: the main controller comprises a water quantity control module and a data processing module; the water quantity control module further comprises a water quantity control correction module, and the data processing module is divided into a wheat humidity calculation module and a wheat humidity correction calculation module, wherein:
the water quantity control correction module corrects the opening degree of the water valve through a filtering algorithm according to the difference value between the moisture content of the wetted wet wheat obtained by the measurement of the rear probe measuring device and the set moisture value, so as to achieve the aim of accurately controlling the moisture;
the wheat humidity calculation module obtains the water attachment amount of the wheat by comparing the moisture content of the dry wheat, the moisture content of the wet wheat and the wheat flow data;
the wheat humidity correction calculation module calculates the moisture loss of the wheat by measuring the environmental temperature, the humidity, the moisture content after wheat wetting and the moisture content data after wheat flour forming, and corrects the set moisture value of the wheat.
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| CN111804386A (en) * | 2019-04-10 | 2020-10-23 | 北京华城晟业科技有限公司 | Automatic water adding device in wheat milling process |
| CN111822072B (en) * | 2020-08-05 | 2024-09-03 | 郑州格德格瑞机械工程有限公司 | Automatic wheat dampening regulating system |
| CN112090470A (en) * | 2020-10-12 | 2020-12-18 | 广州岭南穗粮谷物股份有限公司 | Method and device for moistening wheat with steam |
| CN112317010B (en) * | 2020-11-20 | 2021-06-08 | 北京中仪智控科技有限公司 | Intelligent wheat flour milling-electronic flour mill system |
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| 小麦着水及智能水分测量系统研究;易启伟;《粮油机械》;20050930(第9期);71-73页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022266315A1 (en) * | 2021-06-18 | 2022-12-22 | ELANCO US, Inc. | Moisture control system and methods for animal feed |
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| CN105728082A (en) | 2016-07-06 |
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