CN115337978B - Flour processing technology and flour processing system - Google Patents

Flour processing technology and flour processing system Download PDF

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Publication number
CN115337978B
CN115337978B CN202210960801.7A CN202210960801A CN115337978B CN 115337978 B CN115337978 B CN 115337978B CN 202210960801 A CN202210960801 A CN 202210960801A CN 115337978 B CN115337978 B CN 115337978B
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wheat
flour
module
grinding
unit
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CN115337978A (en
Inventor
李强
刘勃
李军
权红伟
陶健
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Bole Northwest Grain Oil Industry Trade Co ltd
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Bole Northwest Grain Oil Industry Trade Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B5/00Grain treatment not otherwise provided for
    • B02B5/02Combined processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B1/00Preparing grain for milling or like processes
    • B02B1/08Conditioning grain with respect to temperature or water content
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/14Producing flour or meal directly
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C9/00Other milling methods or mills specially adapted for grain
    • B02C9/04Systems or sequences of operations; Plant
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses a flour processing technology and a flour processing system, which belong to the technical field of flour processing, and the processing technology comprises the following specific steps: (1) checking and accepting wheat, screening and warehousing; (2) metering wheat and cleaning the wheat; (3) grinding and grading the wheat; (4) packaging and detecting the processed flour; according to the invention, impurities in wheat can be detected in a cascading analysis mode, the condition that workers detect omission is avoided, the detection accuracy is improved, meanwhile, the cleanliness of the wheat is improved, the quality of processed flour is improved, the transportation trolley is controlled by the workers to transport, the workload of the workers is reduced, the working efficiency of the workers is improved, and meanwhile, the materials can be transported more accurately through the transportation trolley, so that the intellectualization of the processing process is realized.

Description

Flour processing technology and flour processing system
Technical Field
The invention relates to the technical field of flour processing, in particular to a flour processing technology and a flour processing system.
Background
Flour is a powder ground from wheat. According to the protein content in the flour, the flour can be divided into high-gluten flour, medium-gluten flour, low-gluten flour and no-gluten flour, and is staple food in most areas in north China, the food made of the flour is various in variety, various in flowers and different in flavor, along with the improvement of living standard, people pay more attention to reasonable matching of nutrition, so that the flour for compounding various flours appears in the market, and the flour made of the compound flour is richer and more comprehensive in nutrition. People usually process the flour or the mixed flour thereof into foods such as steamed bread, noodles, cakes or dumplings, and the like, so that the requirements of people on the accuracy of the flour are higher, and higher whiteness and fewer gray scales are needed;
through retrieval, chinese patent number CN202010846643.3 discloses a flour processing technology, which can keep the nutritional composition of wheat as much as possible, improve the taste, effectively reduce mold residues and subsequent mold breeding, greatly prolong the storage period of flour, but easily generate omission in the impurity detection process, and has low detection accuracy; in addition, the working load of the workers of the existing flour processing technology and flour processing system is large, and the working efficiency is low; therefore, we propose a flour processing technology and a flour processing system.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a flour processing technology and a flour processing system.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a flour processing technology comprises the following specific steps:
(1) Checking and accepting wheat, screening and warehousing;
(2) Metering wheat and cleaning the wheat;
(3) Grinding and grading wheat;
(4) Packaging and detecting the processed flour.
As a further scheme of the invention, the screening and warehousing of the step (1) comprises the following specific steps:
step one: the method comprises the steps that a worker sends screening standards to a transportation trolley through a management platform, and then the transportation trolley moves to a wheat carrying place according to a manually set operation route;
step two: the transportation trolley collects the wheat image information through the vehicle-mounted camera, performs image processing on the wheat image information, and then judges whether the moisture, the volume weight and the impurities of the wheat meet the standard requirements of raw materials of corresponding grades according to the national quality standard of GB 1351;
step three: recording the batch of wheat varieties and transporting the batch of wheat if the standard requirements of the raw materials with the corresponding grades are met, and returning the batch of wheat if the standard requirements of the raw materials with the corresponding grades are not met;
step four: the management platform randomly sends a sampling instruction to part of the transport trolleys, the transport trolleys receive the sampling instruction and then transport the wheat to the laboratory, then the laboratory checks according to the wheat checking rules, the checking data are input into the management platform, meanwhile, the management platform generates corresponding checking reports according to each group of checking data, and the variety wheat with unqualified checking results is returned.
As a further scheme of the invention, the specific wheat cleaning step in the step (2) is as follows:
the first step: metering wheat of different varieties by a wheat metering scale, removing large impurities and small impurities in the wheat after metering by a screening module, and removing light impurities in the wheat by a winnowing module after removing;
and a second step of: the screening module screens out heavy impurities in the wheat again, then screens out metal impurities mixed in the batch of wheat through the magnetic separation module, and performs threshing treatment after the impurity treatment mixed in the batch of wheat is completed;
and a third step of: after wheat threshing is completed, the screening module processes wheat hairs, dust and broken wheat which are obtained by wheat threshing, then the transportation trolley collects images of the screened wheat through the vehicle-mounted camera, and feeds image data back to the management platform for cascade analysis, and screens unqualified wheat again;
fourth step: and (3) transporting the wheat to a wheat wetting bin, carrying out wheat wetting, adjusting the wheat wetting water quality to meet the GBT5749 water quality requirement through a water quality adjusting module, discharging the water in the wheat wetting bin after the wheat water reaches the grinding water requirement, carrying out secondary wheat wetting, and carrying out wheat wetting for a specified time according to the wheat variety.
As a further scheme of the invention, the third step of cascade analysis of the management platform comprises the following specific steps:
s1: the management platform extracts the image data frame by frame to obtain detection pictures, constructs a picture data set according to different sizes of each group of detection pictures, scales each group of detection pictures according to a manually set resolution according to a multi-scale training strategy, and constructs an image pyramid according to the scaled patrol pictures;
s2: carrying out scale normalization processing on each group of detection pictures through an image pyramid, converging results together to carry out non-maximum suppression, extracting characteristic information of each group of detection pictures, then sending each group of characteristic information into a bidirectional characteristic pyramid to carry out characteristic fusion, carrying out classification regression on output results, and outputting a detection frame, a class and a score;
s3: collecting detection frame information, generating corresponding detection frame coordinates, performing enlarged cutting on related inspection pictures, collecting, enlarging and cutting each group of generated wheat pictures, storing the wheat pictures, filtering out simple negative samples belonging to the background in each group of wheat pictures through RPN, and selecting areas possibly containing targets for classification and regression;
s4: nine anchor frames with specified proportions are generated at each point of the wheat pictures with high and low semantic information, the anchor frames are classified and regressed, and impurities in each group of the wheat pictures are detected through enlarged cutting.
As a further scheme of the invention, the specific steps of screening and grading the wheat in the step (3) are as follows:
p1.1: crushing wheat by a skin grinding unit, extracting a certain amount of coarse grains, coarse powder and flour from wheat grains, continuously extracting coarse grains, coarse powder and flour from wheat bran with endosperm, peeling the wheat bran, and brushing floating powder;
p1.2: the flour cleaning unit receives coarse grains, secondary coarse grains, coarse grains and flour generated by the flour milling unit, divides the wheat husks and the wheat residues into pure wheat centers according to mass, then the dreg milling unit receives the wheat residues, peels endosperm attached to the wheat bran, extracts the wheat centers with good mass, transmits the generated materials to the flour cleaning unit for purification and classification, and transmits the classified materials to the corresponding subunits;
p1.3: the heart grinding unit receives the extracted coarse grains and coarse powder, grinds the coarse grains and the coarse powder into flour with certain fineness and good quality by grinding the flour one by one, separates fine bran scraps with quality, sends the produced materials to the powder cleaning unit for purification and classification, and sends the classified materials to the corresponding subunits;
p1.4: the tail grinding unit grinds the pure wheat cores sent by the core grinding unit and the powder cleaning unit, sends the ground materials to the screening unit for high square flat screening, carries out grading treatment on the screened flour according to flour standards, and then prepares the flour according to a formula.
As a further scheme of the invention, the packing detection in the step (4) specifically comprises the following steps:
p2.1: classifying the packing materials according to the types of the packing materials, sterilizing the packing materials of various types through a sterilizing module, and sterilizing the carrying bars in the transport trolley;
p2.2: the transportation trolley loads the processed flour, transports the flour to a specified type packing material, then pours the flour into the packing material, seals the packing material after the flour in the packing material reaches a specified value, and stores the packed flour.
A flour processing system comprises a transportation trolley, a management platform, a screening module, a winnowing module, a magnetic separation module, a wheat wetting bin, a water quality adjusting module, a grinding grading module, a sterilizing module and a packaging module;
the transportation trolley is used for receiving the control instruction sent by the management platform to transport the wheat and the flour;
the management platform is used for issuing related control instructions by workers and feeding back the flour processing process to the workers for checking in real time;
the screening module is used for removing big impurities and small impurities in the wheat;
the winnowing module is used for removing outer epidermis, partial immature grain, wrinkled wheat and partial mildew grain in the wheat;
the magnetic separation module is used for removing magnetic metal matters in the wheat;
the wheat wetting bin is used for wetting wheat;
the water quality adjusting module is used for adjusting the water quality in the wheat wetting bin;
the grinding classification module comprises a skin grinding unit, a powder cleaning unit, a slag grinding unit, a core grinding unit, a tail grinding unit and a screening unit;
the skin grinding unit is used for peeling and scraping the wheat into a follow-up heart mill, a slag mill and a tail mill unit which play a role in flow distribution and take a certain amount of flour;
the powder cleaning unit is used for receiving the materials sent by the skin mill, the core mill, the slag mill and the tail mill unit for further purification, and sending the purified materials to the corresponding sub-units for powder preparation;
the dreg grinding unit is used for grinding the adhered wheat bran particles sent by the powder cleaning unit and sending the adhered wheat bran particles to the corresponding powder cleaning unit or the corresponding heart grinding unit;
the core grinding unit is used for grinding the materials sent by the powder cleaning unit or the slag grinding unit into flour;
the tail grinding unit is used for grinding the small flour particles adhered with the bran star sent by the core grinding unit and the powder cleaning unit, and sending the small flour particles to the corresponding screening unit for distribution;
the screening unit is used for screening and grading the ground materials and screening out a certain amount of flour;
the sterilization module is used for sterilizing the packing materials and the transport trolley;
the packaging module is used for sealing the packaging materials meeting the conditions.
Compared with the prior art, the invention has the beneficial effects that:
1. compared with the prior single processing technology, the flour processing technology has the advantages that the screened wheat is subjected to image acquisition through the on-board camera of the transportation trolley, then the management platform extracts image data frame by frame to obtain detection pictures, then each group of detection pictures is scaled according to manually set resolution to construct an image pyramid, each group of detection pictures is subjected to scale normalization processing through the image pyramid, then feature fusion is carried out, output results are classified and regressed, detection frames, categories and fractions are output, detection frame information is collected, corresponding detection frame coordinates are generated, related inspection pictures are subjected to enlarged cutting, each group of wheat pictures generated after the enlarged cutting is collected, a simple negative sample which belongs to the background in each group of wheat pictures is selected through RPN, the region possibly containing a target is classified and regressed, then impurities in each group of wheat pictures are detected through enlarged cutting, the impurities in the wheat pictures can be detected through a cascading analysis mode, the condition that workers detect the impurities in the wheat manually is avoided, the detection omission condition is improved, the wheat cleaning quality is improved, and meanwhile the processing quality is improved;
2. according to the invention, the transportation trolley moves to a wheat carrying place according to a manually set operation route, the transportation trolley acquires wheat image information through the vehicle-mounted camera, then judges whether the moisture, the volume weight and the impurities of the wheat meet the standard requirements of corresponding grade raw materials according to GB1351 national quality standards, and transports the wheat meeting the standard requirements of the corresponding grade raw materials, meanwhile, the batch of wheat varieties are recorded, then the management platform randomly sends a sampling instruction to part of the transportation trolley, after the transportation trolley receives the sampling instruction, the wheat is transported to an laboratory, then an inspector performs inspection according to a wheat inspection rule, meanwhile, the management platform generates a corresponding inspection report according to each group of inspection data, returns the unqualified variety of the wheat, after flour is processed, the transportation trolley performs sterilization treatment through the sterilization module, loads the processed flour to a designated type packaging material, and then pours the flour into the packaging material, and controls the transportation trolley to transport through workers, so that the work load of the workers can be reduced, the work efficiency of the workers can be improved, and meanwhile, the intelligent processing process of the materials can be realized through the transportation trolley more accurately.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a block flow diagram of a flour processing technique according to the present invention;
FIG. 2 is a block diagram of a flour processing system according to the present invention;
fig. 3 is a block diagram of a grinding classification module of a flour processing system according to 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.
Example 1
Referring to fig. 1, this embodiment discloses a flour processing technology, which specifically comprises the following steps:
checking and accepting wheat, screening and warehousing.
Specifically, the staff sends screening standards to the transportation trolley through the management platform, then the transportation trolley moves to a wheat carrying place according to a manually set operation route, the transportation trolley acquires wheat image information through a vehicle-mounted camera and performs image processing on the wheat image information, then the management platform judges whether the moisture, the volume weight and the impurities of the wheat meet the standard requirements of corresponding grade raw materials according to GB1351 national quality standards, if the standard requirements of the corresponding grade raw materials are met, the batch of wheat varieties are recorded and transported, if the standard requirements of the corresponding grade raw materials are not met, the batch of wheat is returned, then the management platform sends sampling instructions to part of transportation trolley at random, after the transportation trolley receives the sampling instructions, the wheat is transported to a laboratory, then an inspector inspects according to a wheat inspection procedure, the inspection data are input into the management platform, and meanwhile the management platform generates corresponding inspection reports according to various groups of inspection data, and the variety of wheat with unqualified inspection results is returned.
Metering wheat and cleaning the wheat.
Specifically, the staff carries out metering wheat distribution on different varieties of wheat through a wheat distribution metering scale, a screening module is used for removing large impurities and small impurities in the wheat after metering, a winnowing module is used for removing light impurities in the wheat after removing, the screening module is used for screening heavy impurities in the wheat again, a magnetic separation module is used for screening out mixed metal impurities in the batch of wheat, wheat threshing is carried out after the mixed impurities in the batch of wheat are processed, a screening module is used for processing wheat wool, dust and broken wheat which are obtained after wheat threshing are completed, a transportation trolley is used for carrying out image acquisition on the wheat after screening through a vehicle-mounted camera, image data are fed back to a management platform for carrying out cascade analysis, unqualified wheat is screened again, then the wheat is transported to a wheat moistening bin, water quality is adjusted to meet GBT5749 requirements through a water quality adjusting module, after the wheat moisture reaches the wheat moisture requirements, the wheat moisture in the wheat moistening bin is discharged for secondary moisture, and wheat moisture is moistened according to the specified time.
The management platform extracts the image data frame by frame to obtain detection pictures, constructs a picture data set according to different sizes of each group of detection pictures, scales each group of detection pictures according to a manually set resolution according to a multi-scale training strategy, constructs an image pyramid according to the scaled detection pictures, performs scale normalization processing on each group of detection pictures through the image pyramid, gathers the results together to suppress non-maximum values, extracts characteristic information of each group of detection pictures, sends each group of characteristic information into a bidirectional characteristic pyramid to perform characteristic fusion, carries out classification regression on the output result, outputs detection frames, categories and scores, collects detection frame information, generates corresponding detection frame coordinates, carries out enlarged cutting on related detection frames, collects each group of wheat pictures generated after the enlarged cutting, stores the enlarged wheat pictures, filters out simple negative samples belonging to the background in each group of wheat pictures through RPN, selects areas possibly containing targets, carries out classification and regression on each group of wheat pictures with high semantic anchor points, carries out classification and regression on nine detection frames, and carries out classification and classification of the detection frames.
Wheat was subjected to milling classification.
Specifically, the wheat is crushed by the hull grinding unit, a certain amount of coarse grains, coarse powder and flour are extracted from wheat grains, coarse powder and flour are continuously extracted from bran with endosperm, the bran is scraped clean, floating flour is brushed out, the coarse grains, coarse powder and flour produced by the hull grinding unit are received by the flour cleaning unit, the wheat grains are divided into wheat hulls and wheat residues and pure wheat cores according to mass, the wheat residues are received by the slag grinding unit, endosperm attached to the bran is scraped, the wheat cores with good mass are extracted, the generated materials are transmitted to the flour cleaning unit for purification classification, the classified materials are transmitted to the corresponding sub-units, the extracted coarse grains and coarse powder are received by the core grinding unit, the flour with certain fineness and good mass is ground into flour through the grinding of a way by way, fine bran dust with a certain mass is separated, the produced materials are transmitted to the flour cleaning unit for purification classification, the classified materials are transmitted to the corresponding sub-units, the tail grinding unit receives the wheat residues, the materials are transmitted to the flour grinding unit for high-grade classification according to the formula, and the classified materials are transmitted to the flour grinding unit for the classification according to the formula.
Packaging and detecting the processed flour.
Specifically, staff classifies each packing material according to the type of the packing material, then performs sterilization treatment on each type of packing material through a sterilization module, then performs sterilization treatment on a carrying column in a transportation trolley, loads processed flour to a specified type of packing material, then pours the flour into the packing material, seals the packing material after the flour in the packing material reaches a specified value, and stores the packed flour.
Example 2
Referring to fig. 2-3, the embodiment discloses a flour processing system, which comprises a transportation trolley, a management platform, a screening module, a winnowing module, a magnetic separation module, a wheat wetting bin, a water quality adjusting module, a grinding grading module, a sterilizing module and a packaging module.
The transportation trolley is used for receiving the control instruction sent by the management platform to transport the wheat and the flour.
The management platform is used for issuing related control instructions by workers and feeding back the flour processing process to the workers for checking in real time; the screening module is used for removing big impurities and small impurities in the wheat; the winnowing module is used for removing outer epidermis and partial immature grain and wrinkled wheat and partial mildewed grain in the wheat; the magnetic separation module is used for removing magnetic metal matters in the wheat; the wheat wetting bin is used for wetting wheat; the water quality adjusting module is used for adjusting the water quality in the wheat wetting bin.
The grinding and grading module comprises a skin grinding unit, a powder cleaning unit, a slag grinding unit, a core grinding unit, a tail grinding unit and a screening unit.
The skin grinding unit is used for peeling and scraping the wheat into a follow-up heart mill, a slag mill and a tail mill unit which play a role in flow distribution and take a certain amount of flour; the powder cleaning unit is used for receiving the materials sent by the skin mill, the core mill, the slag mill and the tail mill unit for further purification, and sending the purified materials to the corresponding subunit for powder preparation; the dreg grinding unit is used for grinding the adhered wheat bran particles sent by the powder cleaning unit and sending the adhered wheat bran particles to the corresponding powder cleaning unit or the heart grinding unit; the core grinding unit is used for grinding the materials sent by the powder cleaning unit or the slag grinding unit into flour; the tail grinding unit is used for grinding the small flour particles adhered with the bran star sent by the core grinding unit and the powder cleaning unit, and sending the small flour particles to the corresponding screening unit for distribution; the screening unit is used for screening and classifying the ground materials and screening out a certain amount of flour.
The sterilization module is used for sterilizing the packing material and the transportation trolley; the packaging module is used for sealing the packaging materials meeting the conditions.
The working flow is as follows: the transportation trolley moves to a wheat carrying place according to a manually set running route, wheat meeting the GB1351 national quality standard is transported to a storage bin, then workers meter and mix wheat of different varieties through a wheat mixing metering scale, a screening module removes large impurities and small impurities in the wheat, a winnowing module removes light impurities in the wheat after the removal is completed, a screening module screens heavy impurities in the wheat again, a magnetic separation module screens the mixed metal impurities in the batch of wheat, wheat threshing is carried out again, the screening module removes the impurities obtained by the wheat threshing, wheat is moistened through a wheat moistening bin, the wheat is crushed and ground through a skin grinding unit, a powder cleaning unit, a dreg grinding unit, a heart grinding unit and a tail grinding unit, flour generated by grinding is classified through the screening unit, a packaging material and the transportation trolley are sterilized according to the sterilization module, the transportation trolley loads the flour into the packaging material, and the packaging material is sealed according to the sealing conditions through the packaging module.

Claims (3)

1. A flour processing technology is characterized by comprising the following specific steps:
(1) Checking and accepting wheat, screening and warehousing;
(2) Metering wheat and cleaning the wheat;
(3) Grinding and grading wheat;
(4) Packaging and detecting the processed flour;
the specific steps of wheat cleaning are as follows:
the first step: metering wheat of different varieties by a wheat metering scale, removing large impurities and small impurities in the wheat after metering by a screening module, and removing light impurities in the wheat by a winnowing module after removing;
and a second step of: the screening module screens out heavy impurities in the wheat again, then screens out metal impurities mixed in the batch of wheat through the magnetic separation module, and performs threshing treatment after the impurity treatment mixed in the batch of wheat is completed;
and a third step of: after wheat threshing is completed, the screening module processes wheat hairs, dust and broken wheat which are obtained by wheat threshing, then the transportation trolley collects images of the screened wheat through the vehicle-mounted camera, and feeds image data back to the management platform for cascade analysis, and screens unqualified wheat again;
fourth step: transporting wheat to a wheat wetting bin, carrying out wheat wetting, adjusting the wheat wetting water quality to meet the GBT5749 water quality requirement through a water quality adjusting module, discharging the water in the wheat wetting bin after the wheat water reaches the grinding water requirement, carrying out secondary wheat wetting, and carrying out wheat wetting for a specified time according to the wheat variety;
the management platform cascade analysis specifically comprises the following steps:
s1: the management platform extracts the image data frame by frame to obtain detection pictures, constructs a picture data set according to different sizes of each group of detection pictures, scales each group of detection pictures according to a manually set resolution according to a multi-scale training strategy, and constructs an image pyramid according to the scaled patrol pictures;
s2: carrying out scale normalization processing on each group of detection pictures through an image pyramid, converging results together to carry out non-maximum suppression, extracting characteristic information of each group of detection pictures, then sending each group of characteristic information into a bidirectional characteristic pyramid to carry out characteristic fusion, carrying out classification regression on output results, and outputting a detection frame, a class and a score;
s3: collecting detection frame information, generating corresponding detection frame coordinates, performing enlarged cutting on related inspection pictures, collecting, enlarging and cutting each group of generated wheat pictures, storing the wheat pictures, filtering out simple negative samples belonging to the background in each group of wheat pictures through RPN, and selecting areas possibly containing targets for classification and regression;
s4: nine anchor frames with a specified proportion are generated at each point of the wheat pictures with high and low semantic information, the anchor frames are classified and regressed, and impurities in each group of the wheat pictures are detected through enlarged cutting;
the specific steps of wheat grinding and grading are as follows:
p1.1: crushing wheat by a skin grinding unit, extracting a certain amount of coarse grains, coarse powder and flour from wheat grains, continuously extracting coarse grains, coarse powder and flour from wheat bran with endosperm, peeling the wheat bran, and brushing floating powder;
p1.2: the flour cleaning unit receives coarse grains, secondary coarse grains, coarse grains and flour generated by the flour milling unit, divides the wheat husks and the wheat residues into pure wheat centers according to mass, then the dreg milling unit receives the wheat residues, peels endosperm attached to the wheat bran, extracts the wheat centers with good mass, transmits the generated materials to the flour cleaning unit for purification and classification, and transmits the classified materials to the corresponding subunits;
p1.3: the heart grinding unit receives the extracted coarse grains and coarse powder, grinds the coarse grains and the coarse powder into flour with certain fineness and good quality by grinding the flour one by one, separates fine bran scraps with quality, sends the produced materials to the powder cleaning unit for purification and classification, and sends the classified materials to the corresponding subunits;
p1.4: the tail grinding unit grinds the pure wheat cores sent by the core grinding unit and the powder cleaning unit, sends the ground materials to the screening unit for high square flat screening, carries out grading treatment on the screened flour according to flour standards, and then prepares the flour according to a formula;
the packing detection specifically comprises the following steps:
p2.1: classifying the packing materials according to the types of the packing materials, sterilizing the packing materials of various types through a sterilizing module, and sterilizing the carrying bars in the transport trolley;
p2.2: the transportation trolley loads the processed flour, transports the flour to a specified type packing material, then pours the flour into the packing material, seals the packing material after the flour in the packing material reaches a specified value, and stores the packed flour.
2. The flour processing technology according to claim 1, wherein the screening and warehousing of step (1) is specifically as follows:
step one: the method comprises the steps that a worker sends screening standards to a transportation trolley through a management platform, and then the transportation trolley moves to a wheat carrying place according to a manually set operation route;
step two: the transportation trolley collects the wheat image information through the vehicle-mounted camera, performs image processing on the wheat image information, and then judges whether the moisture, the volume weight and the impurities of the wheat meet the standard requirements of raw materials of corresponding grades according to the national quality standard of GB 1351;
step three: recording the batch of wheat varieties and transporting the batch of wheat if the standard requirements of the raw materials with the corresponding grades are met, and returning the batch of wheat if the standard requirements of the raw materials with the corresponding grades are not met;
step four: the management platform randomly sends a sampling instruction to part of the transport trolleys, the transport trolleys receive the sampling instruction and then transport the wheat to the laboratory, then the laboratory checks according to the wheat checking rules, the checking data are input into the management platform, meanwhile, the management platform generates corresponding checking reports according to each group of checking data, and the variety wheat with unqualified checking results is returned.
3. A flour processing system adopting the flour processing technology as claimed in claim 1, which is characterized by comprising a transportation trolley, a management platform, a screening module, a winnowing module, a magnetic separation module, a wheat wetting bin, a water quality adjusting module, a grinding grading module, a sterilizing module and a packaging module;
the transportation trolley is used for receiving the control instruction sent by the management platform to transport the wheat and the flour;
the management platform is used for issuing related control instructions by workers and feeding back the flour processing process to the workers for checking in real time;
the screening module is used for removing big impurities and small impurities in the wheat;
the winnowing module is used for removing outer epidermis, partial immature grain, wrinkled wheat and partial mildew grain in the wheat;
the magnetic separation module is used for removing magnetic metal objects in the wheat;
the wheat wetting bin is used for wetting wheat;
the water quality adjusting module is used for adjusting the water quality in the wheat wetting bin;
the grinding classification module comprises a skin grinding unit, a powder cleaning unit, a slag grinding unit, a core grinding unit, a tail grinding unit and a screening unit;
the skin grinding unit is used for peeling and scraping the wheat into a follow-up heart mill, a slag mill and a tail mill unit which play a role in flow distribution and take a certain amount of flour;
the powder cleaning unit is used for receiving the materials sent by the skin mill, the core mill, the slag mill and the tail mill unit for further purification, and sending the purified materials to the corresponding sub-units for powder preparation;
the dreg grinding unit is used for grinding the adhered wheat bran particles sent by the powder cleaning unit and sending the adhered wheat bran particles to the corresponding powder cleaning unit or the corresponding heart grinding unit;
the core grinding unit is used for grinding the materials sent by the powder cleaning unit or the slag grinding unit into flour;
the tail grinding unit is used for grinding the small flour particles adhered with the bran star sent by the core grinding unit and the powder cleaning unit, and sending the small flour particles to the corresponding screening unit for distribution;
the screening unit is used for screening and grading the ground materials and screening out a certain amount of flour;
the sterilization module is used for sterilizing the packing materials and the transport trolley;
the packaging module is used for sealing the packaging materials meeting the conditions.
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