CN108369064A - Drying machine and drying machine measuring device - Google Patents

Drying machine and drying machine measuring device Download PDF

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Publication number
CN108369064A
CN108369064A CN201780004795.5A CN201780004795A CN108369064A CN 108369064 A CN108369064 A CN 108369064A CN 201780004795 A CN201780004795 A CN 201780004795A CN 108369064 A CN108369064 A CN 108369064A
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CN
China
Prior art keywords
moisture
cereal
drying machine
drying
measured
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CN201780004795.5A
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Chinese (zh)
Inventor
团栗彰男
黑田忠宏
森本进
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Kubota Corp
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Kubota Corp
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Publication of CN108369064A publication Critical patent/CN108369064A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22Controlling the drying process in dependence on liquid content of solid materials or objects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Drying Of Solid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

For the moisture for measuring cereal, the moisture that can carry out not Grain Loss measures.In addition, the measurement interval for the moisture for measuring cereal can be shortened, the moisture of cereal can be measured to frequent.In addition, the deviation of the moisture of the cereal in drying machine can accurately be held.Drying machine has:Cereal is dried in drying section;And Nondestructive measurement device, non-destructively measure the moisture by the cereal after the drying section.

Description

Drying machine and drying machine measuring device
Technical field
The present invention relates to the cereal progress for example obtained to harvests such as paddy (rice), wheat, millet, barnyard grass, buckwheat, beans Dry drying machine and drying machine measuring device.
Background technology
Using cereal such as the agricultural machinery such as combine harvester harvest paddy, wheats, it is transplanted on and removes in the cereal for obtaining harvest After transporting on vehicle, cereal is transported to the processing equipments such as cereal center, large-scale grain dry storage facilities, in the processing equipment, It is handled for shipment.In processing, the processing etc. that cereal is dried is carried out.As the technology of drying machine, There is the technology shown in patent document 1.
Drying machine has disclosed in patent document 1:The drying section and measurement be dried to cereal passes through after drying section The moisture meter of the moisture of cereal.
There are two electrode roller, described two electrode rollers are crushed cereal by rotation moisture meter tool, and when detecting crushing Resistance value.Operation is carried out by the moisture value in the resistance value to detecting, to measure the moisture of cereal.It measures Cereal after moisture will be thrown away.
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2007-212086 bulletins
Invention content
The subject that the invention solves
In previous drying machine, in order to measure the moisture by the cereal after drying section, following destruction is used The moisture meter of formula:(destruction) is crushed between two electrode rollers by the way that obtained cereal will be sampled, to measure.As a result, It has the following problems.
As described above, when measuring the moisture of cereal after every time crushing cereal between two electrode rollers, can produce The loss (clast) of raw cereal.In addition, since the cereal broken into pieces can be attached on electrode roller, therefore, because attachment, it is possible to Can measurement accuracy be declined.
In addition, in the method by breaking cereal into pieces to measure the moisture of cereal, from breaking cereal into pieces and measure should Between the moisture of cereal plays until the moisture for measuring cereal next time, need into the cereal removal for being about to be attached on electrode roller Cleaning etc..Therefore, there are the limit in shortening measurement interval.Thus, in previous drying machine, it is difficult to measure to frequent The moisture of cereal.Especially in high-moisture region, it is difficult to improve frequency.
If measurement interval grows (pendulous frequency is few), it is difficult to accurately hold the inclined of the moisture of the cereal in drying machine Poor (uneven drying).In addition, if pendulous frequency is few, there are the extremely low cereal of the high cereal of moisture or moisture In the case of, the moisture of these cereal can become the typical value of the moisture of dry cereal, thus, it sometimes can not be proper Locality is dried.
In the drying machine of cereal, the measurement result of the moisture based on cereal, the control for carrying out moisture slip (is done The control of dry speed).In addition, being used as the burner for the heat source that cereal is dried by control, so that it is guaranteed that the water of target Divide slip.Thus, it, can not if the deviation (uneven drying) of the moisture of the cereal in drying machine can not accurately be held Hold the accurate moisture slip on the basis controlled as burner.If in addition, be difficult to accurately to hold moisture slip and The average moisture content of cereal in drying machine then makes the precision of the estimated time of drying machine termination that can be deteriorated.
Therefore, the purpose of the present invention is to provide a kind of dryings that can solve the problems, such as the previous drying about cereal Machine and drying machine measuring device.
Means for solving the problems
In order to solve above-mentioned technical task, the feature for the technological means that the present invention takes is as follows.
The drying machine of the present invention has:Cereal is dried in drying section, the drying section;And Nondestructive measurement dress It sets, the Nondestructive measurement device non-destructively measures the moisture by the cereal after the drying section.
The Nondestructive measurement device is spectral analysis device, and the spectral analysis device is measured logical using spectrum analysis Cross the moisture of the cereal after the drying section.
The spectral analysis device is near infrared moisture meter.
The spectral analysis device is the device for the moisture that cereal is measured with the temperature higher than external air temperature.
The spectral analysis device is the device for the moisture that cereal is measured with 60 DEG C of temperature below.
The spectral analysis device is the device for the moisture that cereal is measured with 10 DEG C~50 DEG C of temperature.
The temperature that the spectral analysis device does not generate Alphaization for the starch that is included with cereal measures the water of cereal Divide the device of content.
The Nondestructive measurement device is single device, is the moisture that cereal is continuously measured with short measurement interval Device.
The Nondestructive measurement device is the device for the moisture that cereal is measured with the measurement interval less than 5 minutes.
The drying machine of the present invention is Nondestructive measurement device with measuring device, and the Nondestructive measurement device is non-destructively Measure the moisture of the cereal after the drying section by drying machine.
The Nondestructive measurement device is spectral analysis device, and the spectral analysis device is measured logical using spectrum analysis Cross the moisture of the cereal after the drying section.
The spectral analysis device is near infrared moisture meter.
The spectral analysis device is the device for the moisture that cereal is measured with the temperature higher than external air temperature.
The spectral analysis device is the device for the moisture that cereal is measured with 60 DEG C of temperature below.
The spectral analysis device is the device for the moisture that cereal is measured with 10 DEG C~50 DEG C of temperature.
The temperature that the spectral analysis device does not generate Alphaization for the starch that is included with cereal measures the water of cereal Divide the device of content.
The Nondestructive measurement device is single device, is the moisture that cereal is continuously measured with short measurement interval Device.
The Nondestructive measurement device is the device for the moisture that cereal is measured with the measurement interval less than 5 minutes.
Invention effect
In accordance with the invention it is possible to obtain following effect.
Due to non-destructively measuring the moisture of cereal, so the damage of the cereal caused by measurement moisture can be prevented Lose the generation of (clast).In addition, the situation being attached on electrode roller due to not will produce cereal as in the past, so also not depositing The measurement accuracy caused by the attachment by cereal reduces such situation, can carry out high-precision measurement.
In addition, the measurement interval for the moisture for measuring cereal can be shortened.In the case where shortening measurement interval, energy Enough pendulous frequency is made to increase.By making pendulous frequency increase, even if there are the high cereal of moisture or moisture poles Low cereal can also prevent as in the past the moisture of only these cereal to become the generation of the moisture of dry cereal Tabular value can properly be dried.
In addition, by shortening measurement interval, so as to obtain the moisture of a large amount of cereal in per stipulated time. Therefore, it is possible to accurately hold the cereal in drying machine moisture deviation, can prevent from terminating it is dry after cereal Moisture significantly deviates from the moisture of target, can prevent from needing after drying as being dried again Situation.
In addition, due to the deviation (cereal in drying machine for the moisture that can accurately hold the cereal in drying machine Uneven drying), so such as moisture slip can accurately be held.The control of moisture slip can be accurately proceed System.In addition, the control since moisture slip can be accurately proceed, so the precision of the dry prediction time terminated carries It is high.
In addition, due to the deviation (cereal in drying machine for the moisture that can accurately hold the cereal in drying machine Uneven drying), so being easy to carry out the processing for reducing uneven drying.
In addition, the moisture of cereal can be measured to frequent, further, it is possible to measure the water of cereal with short measurement interval Divide content.For example, can with less than 5 minutes measurement interval, preferably with 60 seconds measurement interval accurately measure paddy below The moisture of object.In addition, the moisture by continuously measuring cereal with short measurement interval, so as to more accurately Hold the deviation of the moisture of the cereal in drying machine.In addition, the moisture due to non-destructively measuring cereal, so i.e. Make to be high moisture content, also can measure to frequent.
In addition, as Nondestructive measurement device, it is preferable to use spectral analysis device.Moreover, as spectral analysis device, it is excellent Choosing uses near infrared moisture meter.
Spectral analysis device (near infrared moisture meter) can well be measured with the temperature accuracy higher than external air temperature The moisture of cereal.In addition, spectral analysis device (near infrared moisture meter) can be with 60 DEG C of temperature accuracies below well Measure the moisture of cereal.In addition, spectral analysis device (near infrared moisture meter) can be with 10 DEG C~50 DEG C of temperature accuracy The moisture of cereal is measured well.In addition, the shallow lake that spectral analysis device (near infrared moisture meter) can be included with cereal The temperature accuracy of powder generation Alphaization measures the moisture of cereal well.
Description of the drawings
Fig. 1 is the front view for the outline structure for indicating drying machine.
Fig. 2 is the side view for the outline structure for indicating drying machine.
Fig. 3 is the front view for indicating accumulating part, the outline structure of drying section sum aggregate valley.
Fig. 4 is the sectional view of the lower part of longitudinal transport portion, is the skeleton diagram for the installation example 1 for indicating measuring device.
Fig. 5 is the skeleton diagram for the installation example 2 for indicating measuring device.
Fig. 6 is the skeleton diagram for the installation example 3 for indicating measuring device.
Fig. 7 is the skeleton diagram for the installation example 4 for indicating measuring device.
Fig. 8 is the skeleton diagram for the installation example 4 for indicating measuring device.
Fig. 9 is the skeleton diagram for the installation example 5 for indicating measuring device.
Figure 10 is the skeleton diagram for the installation example 6 for indicating measuring device.
Figure 11 is the skeleton diagram for the installation example 7 for indicating measuring device.
Figure 12 is the skeleton diagram for the installation example 8 for indicating measuring device.
Figure 13 is the skeleton diagram for the installation example 9 for indicating measuring device.
Figure 14 is the skeleton diagram for the installation example 10 for indicating measuring device.
Figure 15 is the skeleton diagram of the installation example 11 and installation example 12 that indicate measuring device.
Figure 16 is the figure for indicating processing equipment and crop management system.
Figure 17 A are the trend for indicating moisture and the figure of near linear.
Figure 17 B are the trend for indicating moisture per unit time and the figure of near linear.
Figure 18 A are the figures for showing moisture in a display device.
Figure 18 B are the figures for showing moisture slip in a display device.
Figure 18 C are the figures for showing moisture unevenness in a display device.
Figure 18 D are displays in a display device by the figure of time.
Figure 19 is to illustrate to find out the definition graph in the method for the prediction moisture of stipulated time.
Specific implementation mode
Hereinafter, with reference to attached drawing, embodiments of the present invention will be described.
Figures 1 and 2 show that such as cereal paddy (rice), wheat, millet, barnyard grass, buckwheat, beans is dried Drying machine 1.Fig. 1 is the front view for the outline structure for indicating drying machine 1.Fig. 2 is the side view for the outline structure for indicating drying machine 1 Figure.In the following description, front is from the back side of drying machine 1 towards positive direction, and rear is the direction opposite with front. In addition, right side is the side kept right towards the front of drying machine 1, left side is the side to keep left towards the front of drying machine 1.
First, it is illustrated from the overall structure of drying machine.
Drying machine 1 has:Throw-in part 2, accumulating part 3, drying section 4, collection valley 5, longitudinal transport portion 6, first are laterally transported The lateral transport portion 8 in portion 7, second and measuring device 9.
There is throw-in part 2 the input port 2A for the cereal input for Gong being dried, the throw-in part 2 to be made of hopper etc..It stockpiles Portion 3,4 sum aggregate valley 5 of drying section are arranged in the dry slot 10 for being formed as box.Accumulating part 3 is to stockpile the cereal being dried Warehouse, the accumulating part 3 are set to the top of dry slot 10.Drying section 4 is somebody's turn to do using the device of the dried grains such as hot wind, warm wind Drying section 4 is set in the dry slot 10 of the lower section of accumulating part 3.Accumulating part 3 is connected to drying section 4, in the paddy that accumulating part 3 stockpiles Object is flowed to drying section 4.
As shown in FIG. 1 to 3, drying section 4 has face wall 4A, back face wall 4B, multiple air feed portion 4C and multiple air drafts Portion 4D.Multiple air feed portion 4C and multiple air draft portion 4D are set between face wall 4A and back face wall 4B.In addition, multiple air feed portion 4C Alternately it is arranged from left to right with multiple air draft portion 4D.It is the cereal for accumulating part 3 between air feed portion 4C and air draft portion 4D The drying path 4E of inflow.Air feed portion 4C and air draft portion 4D are formed by porous plate, and can be ventilated.It is supplied to air feed portion 4C Hot wind.The hot wind of supply is discharged from air feed portion 4C to dry path 4E.The hot wind for being discharged to dry path 4E is arranged from air draft portion 4D Go out.The cereal dried as a result, in the 4E of path is dried.
In the dry slot 10 for the lower section that collection valley 5 is set to drying section 4.Drying section 4 is connected to collection valley 5, in drying section 4 Cereal to collection valley 5 flow.Collection valley 5 has:Collect paddy component 11, chute portion 12, multiple ways 13a, 13b, 13c and Multiple conveying roller 14a, 14b, 14c, 14d.Collect paddy component 11 have with the continuous front plate 11A of face wall 4A of drying section 4 and With the continuous backplate 11B of back face wall 4B of drying section 4.The lower part of collection paddy component 11 is formed as front plate 11A and backplate 11B Interval with becoming narrow gradually downward.
Chute portion 12 have the lower end of front end and the front plate 11A of bottom plate 12A, connecting bottom board 12A foreboard 12B and The back plate 12C of the rear end of connecting bottom board 12A and the lower end of backplate 11B.Chute portion 12 is formed as top open state, and and Ji Gu Connection in component 11.
Multiple ways 13a, 13b, 13c are set to the top of collection paddy component 11 and the lower section of drying section 4.In addition, more A ways 13a, 13b, 13c are arranged in tandem between the front plate 11A and backplate 11B of collection paddy component 11.It should The cereal flowed down from drying section 4 is directed to front plate 11A and the back side of collection paddy component 11 by multiple ways 13a, 13b, 13c The upper surface of plate 11B.Multiple conveying roller 14a, 14b, 14c, 14d are set to the lower part of ways 13a, 13b, 13c, pass through rotation Turn, the cereal of the lower part of ways 13a, 13b, 13c is sent out downwards.It is sent from multiple conveying roller 14a, 14b, 14c, 14d The cereal gone out is focused into the chute portion 12 of the lower part of collection valley 5.
In the lower part of collection valley 5, between chute portion 12 and ways 13a, 13b, 13c and front plate 11A and the back side Far-infrared radiator 18 is provided between plate 11B, the far-infrared radiator 18 is heated using burner.
Longitudinal transport portion 6 be cereal that will put into the cereal of throw-in part 2 and transported by the first lateral transport portion 7 upward The device of conveyance, the longitudinal direction transport portion 6 are set to the side of dry slot 10.Longitudinal transport portion 6 has:Upper and lower longer box Shell 16 and be set to shell 16 inside trucking department 17.Trucking department 17 has:It is configured at the upper sprocket wheel on the top of shell 16 17A, be configured at shell 16 lower part lower sprocket 17B, be hung on the band 17C of lower sprocket 17A, 17B and be set to band The scraper bowl 17D of 17C.The front of trucking department 17 is set as to decline side, rear portion is set as uplifted side.Trucking department 17 is by using omission The drive motor etc. of diagram makes upper sprocket wheel 17A or lower sprocket 17B rotate and band 17C is made to act, to take shell using scraper bowl 17D shovels The cereal of the lower part of body 16 is simultaneously carried to the top of shell 16.
Shell 16 has:Cover the first wall 16A of the face side of trucking department 17;Cover the second of the back side of trucking department 17 Wall 16B;Cover the third wall 16C of the side of 10 side of dry slot of trucking department 17;Cover trucking department 17 with 10 side phase of dry slot 4th wall 16D of the side of anti-side;Cover the 5th wall 16E of the top of trucking department 17;Cover the of the lower section of trucking department 17 Six wall 16F;And it is set to the discharge unit 19 of the front side on the top of trucking department 17.In the upper end of the first wall 16A and the 5th wall Interval is provided between 16E.
The rear portion of discharge unit 19 is set as open state, which is connected to the top of the receiving space of trucking department 17. Thus, the cereal that the top of shell 16 is transported to from scraper bowl 17D is launched when scraper bowl 17D is inverted to discharge unit 19.
Discharge unit 19 has top wall 19A, contacting wall 19B, the first side wall 19C, the second side wall 19D and guiding wall 19E.Top wall 19A extends forwards from the 5th wall 16E.Contacting wall 19B extends to the lower side from the front end of top wall 19A.It supports The top of wall 19B is connect as with skewed in front of shifting to downward.The lower part of contacting wall 19B is formed along vertical direction. First side wall 19C extends forwards from the top of third wall 16C.Second sidewall extends forwards from the top of the 4th wall 16D. Guiding wall 19E extends along with the inclined direction below being shifted to from the upper end of the first wall 16A towards front.In guiding wall 19E Lower end and the lower end of contacting wall 19B between be provided with interval, by the front lower ends of discharge unit 19 be set as downward be in open wide The outlet 19F of shape.Thus, the cereal launched from trucking department 17 to discharge unit 19 is mainly abutted with contacting wall 19B and is fallen, and It is discharged from outlet 19F.In addition, a part cereal directly from outlet 19F be discharged, or on guiding wall 19E slide and from Outlet 19F discharges.
First lateral transport portion 7 is that the cereal for the lower part that will accumulate in collection valley 5 is transported to the lower, transverse of longitudinal transport portion 6 The device sent.First lateral transport portion 7 has the screw rod (being known as the first screw rod) 20 that can laterally transport cereal and makes by first The circulation path 21 that the cereal that screw rod 20 laterally transports is flowed to longitudinal transport portion 6.The left part of first screw rod 20 is configured in chute In portion 12, and it is arranged along chute portion 12.The right part of first screw rod 20 is configured to protrude from chute portion 12, until longitudinal transport The front side of the lower part in portion 6.
The lower part of dry slot 10 is connected by circulation path 21 with shell 16.Specifically, circulation path 21 is by chute portion 12 accesses being connected with the lower part of the first wall 16A of shell 16.The circulation path 21 accommodates the slave chute portion 12 of the first screw rod 20 Part outstanding.First screw rod 20 is rotated by using the driving force of drive motor etc., so as to will be in chute portion 12 Cereal to circulation path 21 transport.
Circulation path 21 has the slide groove portion (Japanese being connected to the lower part of shell 16:The portions シ ュ ー ト) 22 and by chute portion 12 are connected to the interconnecting part 23 of (connection) with slide groove portion 22.Thus, the cereal transported by the first screw rod 20 is reached by interconnecting part 23 Slide groove portion 22 is supplied from the slide groove portion 22 to the lower part of shell 16.In addition, being connected with throw-in part 2 in slide groove portion 22, put into The cereal for entering portion 2 is supplied from slide groove portion 22 to the lower part of shell 16.
As shown in figure 4, slide groove portion 22 has upper wall 22A, longitudinal wall 22B and bottom wall 22C.In addition, the left side of slide groove portion 22 It is blocked by left side wall 22D.The right side of slide groove portion 22 blocks (referring to Fig.1) by right side wall 22E.The rear portion of slide groove portion 22 is set as Opened backward shape.The opened backward part is set as to the outlet opening 22F of discharge cereal.At the first wall 16A of shell 16 Portion is formed with the receiving port 24 for receiving cereal.The receiving port 24 is connected to outlet opening 22F.Upper wall 22A is upper from receiving port 24 Edge protrudes forwards.Longitudinal wall 22B extends downwards from the front end of upper wall 22A.Bottom wall 22C has from the lower end of longitudinal wall 22B backward The extension 22Ca of the Fang Yanshen and rake 22Cb extended with spreading the lower edge of receiving port 24 from the rear end of extension 22Ca. Rake 22Cb is with skewed below being shifted to close to the first wall 16A.That is, circulation path 21 has with connecing Nearly shell 16 and the inclined surface 22G for shifting to lower section.The end of inclined surface 22G is connect with the lower edge of receiving port 24.By inclined surface 22G Width be set as roughly the same with the width of the lower part of shell 16.Thus, when the cereal flowed in circulation path 21 reaches When the 22G of inclined surface, which slides on the 22G of inclined surface on one side, is fallen on one side to the lower part of shell 16.Therefore, in inclined surface 22G, cereal is easy consistently to spread, and for the thickness of cereal layer when carrying cereal, in inclined surface, 22G is easy to be thinning Position.
As Figure 1 and Figure 4, interconnecting part 23 be formed as covering the top of the first screw rod 20, lower section, front and back cylinder Shape.Interconnecting part 23 is towards the left and right in open state.The left end of interconnecting part 23 is connected to chute portion 12.The right end of interconnecting part 23 It is connected to via in the opening portion 26 that the left side wall 22D of slide groove portion 22 is formed and slide groove portion 22.
As shown in Figure 1 and Figure 2, the second lateral transport portion 8 is by the cereal being discharged on the top of longitudinal transport portion 6 to stockpiling The device that the top in portion 3 is carried.Second lateral transport portion 8 has screw rod (being known as the second screw rod) 27 and accommodates the second screw rod 27 Screw case 28.Screw case 28 is configured to from the discharge unit 19 of longitudinal transport portion 6 until the middle part of accumulating part 3.Screw case 28 right side connect and is connected to the outlet 19F of longitudinal transport portion 6, is supplied into screw case 28 from outlet 19F discharges Cereal.The cereal for being supplied to the screw case 28 is carried from the second screw rod 27 to accumulating part 3.Accumulating part is transported to by the second screw rod 27 3 cereal is discharged from the first opening 36 and the second opening 37 to accumulating part 3, and first opening 36 is formed in the bottom of screw case 28 The middle part of portion 28A, second opening 37 are formed in the left end of screw case 28.
Cereal is lateral via drying section 4, the 5, first lateral transport portion 7 of collection valley, longitudinal transport portion 6, second from accumulating part 3 Transport portion 8 is recycled to accumulating part 3.The cycle is repeated, until the moisture of cereal becomes the moisture of target.
Circulation portions are made of the first lateral transport portion 7,6 and second lateral transport portion 8 of longitudinal transport portion, and described first is horizontal To transport portion 7 lateral transport carried out to the cereal after drying, the longitudinal direction transport portion 6 will be transported by the first lateral transport portion 7 Cereal transports upward, and the cereal on the top that the described second lateral transport portion 8 is transmitted to longitudinal transport portion 6 is transported to accumulating part 3 It send.The circulation portions are the devices for making cereal recycle, and are that the cereal after the drying of drying section 4 is transported to accumulating part 3 or will be put into The device transported to the cereal of throw-in part 2 to accumulating part 3.
Measuring device (drying machine measuring device) 9 is at least non-destructively to measure (to be led to by the cereal that drying section 4 is dried Cross the cereal after drying section 4) moisture Nondestructive measurement device 9.In addition, as long as measuring device 9 at least measures paddy The device of the moisture of object can also be the grain characteristics measured together with the moisture of cereal other than moisture Device.
It refers to (with not breaking cereal into pieces) measure cereal moisture with not destroying cereal non-destructively to measure.In the past, Due to the damage type for example to be broken into pieces cereal using electrode roller, so needing into the cereal removal for being about to be attached on electrode roller Cleaning, but in the Nondestructive measurement device 9 (non-demolition formula) of the present invention, since cereal will not be broken into pieces, so this is non-broken The measurement interval of bad measuring device 9 will not be influenced by by cleaning tape, can be set as short interval.
As Nondestructive measurement device 9, such as can enumerate:Spectral analysis device, condenser type moisture meter, microwave type moisture Meter, middle minor moisture meter etc..In addition, as long as the device of the moisture of cereal can be measured non-destructively, as Measuring device 9, can also be illustration device other than device.
Spectral analysis device be the device of the moisture of cereal is measured using spectrum analysis, and be by check cereal The frequency spectrum of radiation or the light absorbed measures the device of the moisture of cereal.Condenser type moisture meter is that alternating current is made to flow through cereal And the variation of the capacitance of the cereal (capacitance) is converted into moisture value and the moisture meter that shows.Microwave type moisture meter is will be micro- The Electrical change amount of decaying etc. caused by moisture of wave is converted into moisture value and the moisture meter that is shown.Middle minor moisture meter is Using as a kind of moisture meter of neutron of radiation ray.
In measuring the previous drying machine of moisture of cereal using the moisture meter of damage type, shortening measurement interval In there are the limit.If measurement interval grows (pendulous frequency is few), it is difficult to accurately hold the moisture of the cereal in drying machine 1 Deviation (unevenness).
In addition, in the present embodiment, due to non-destructively measuring the moisture of cereal, so cereal can be shortened Moisture measurement interval.In addition, by shortening measurement interval, so as to make pendulous frequency increase.As a result, by obtaining It takes and moisture obtained from rolling average is carried out to multiple moistures, so as to accurately hold the paddy in drying machine 1 The deviation of the moisture of object.
In the present embodiment, the moisture of cereal can be measured to frequent, and can be measured with short measurement interval The moisture of cereal.The measuring device 9 of present embodiment is the device for the moisture that cereal is measured with short measurement interval. " short measurement interval " refers to the moisture measurement for the cereal that the cereal in a moisture measurement with conventional art is destroyed and is destroyed The time it takes compares shorter time interval.In addition, the drying machine to circulate on the market is the moisture meter using damage type The device of the moisture of cereal is measured, measurement interval is usually the interval of dozens of minutes.In the drying machine 1 of present embodiment In, such as the moisture of cereal can be measured with 10 minutes measurement intervals below, preferably less than 5 minutes, more preferably It is that can be measured with 60 seconds measurement intervals below.
In addition, in the present embodiment, measuring device 9 is continuously to measure the moisture of cereal with short measurement interval Device.In addition, it refers to defined time width (defined interval) repeated measurement, for example, predefining rule continuously to measure Fixed sample frequency, and measured with the interval of sample frequency.In addition, from measure cereal moisture on the whole In the case of, even if in the presence of the interrupted section that a part does not measure, the defined section other than interrupted section, with rule In the case that measurement is repeated in fixed time width, also continuously to measure.Short measurement interval includes being played from measurement certainly It is divided into 1 second interval below between measure next time until, but several seconds~tens of seconds are also short measurement interval, short measurement interval It can be several minutes of interval.Thus, by continuously measuring the moisture of cereal with short measurement interval, so as to more accurate Really hold the deviation of the moisture of the cereal in drying machine 1.In addition, in drying machine 1, preferably to target moisture content into Row setting, it is preferred that physical end dry when actual cereal moisture (practical moisture) with predefine Target moisture content it is consistent.Since measuring device 9 continuously measures with short measurement interval the moisture of cereal, so being easy Keep practical moisture consistent with target moisture content.
It is further preferred, that measuring device 9 is single device.Single device refers to following device:It is being conceived to In the case of light projector acceptance part (aftermentioned light projector acceptance part), the light projector acceptance part of measuring device 9 is set to the identical time (timing) measures cereal.In addition, the unlimited quantity for determining light projector acceptance part possessed by measuring device 9.For example, even if being filled measuring In the case of setting 9 there are multiple light projector acceptance parts, as long as multiple light projector acceptance part is made to measure cereal with identical timing The device of moisture, it will be able to be known as single device.
In addition, in measuring the previous drying machine of moisture of cereal using the moisture meter of damage type, it is difficult to high frequency Degree ground measures the moisture of cereal, especially in high-moisture region, it is difficult to improve frequency.In contrast, in present embodiment Drying machine 1 in, due to non-destructively measuring the moisture of cereal, even so high moisture content, also being capable of high frequency Measure to degree.
In addition, due to that pendulous frequency can be made to increase by nondestructive measurement, so even if there are moistures The extremely low cereal of high cereal or moisture, also can prevent as in the past the moisture of only these cereal to become The typical value of the moisture of dry cereal can properly be dried.In addition, due to can accurately hold drying machine The deviation of the moisture of cereal in 1, thus can prevent from terminating it is dry after the moisture of cereal (practical moisture contains Amount) significantly deviate from the moisture of target.Thereby, it is possible to prevent that such feelings are being dried again after drying Shape.In the case where paddy is dried, after terminating the drying carried out by drying machine 1, after carrying out paddy husking, if The moisture of brown rice is more than target moisture content, then needs to be transferred to drying machine 1 again.In this case, due to not having It is dried in the state of rice husk, so brown rice is easy to be damaged.In the present embodiment, by using based on non-demolition side The measuring device 9 of formula measures the moisture of cereal, so as to accurately holding the moisture of the cereal in drying machine 1 Deviation, therefore, it is possible to avoid that such situation is dried again after paddy husking.
In addition, pendulous frequency can be made to increase by nondestructive measurement, as a result, can accurately hold dry The deviation of the moisture of cereal in dry machine 1, therefore, it is possible to accurately hold moisture slip (Japanese:Qian Minus rates).Cause This, can be accurately proceed the control of moisture slip.In addition, the control since moisture slip can be accurately proceed System, so the precision of the dry prediction time terminated improves.
In addition, the moisture by non-destructively measuring cereal, so as to accurately hold the paddy in drying machine 1 Therefore the unevenness of the moisture of object is easy to carry out the uneven processing of the moisture for reducing cereal.For example, being easy Reduced using cooling tank the uneven processing of the moisture of cereal.Cooling tank is the paddy by will be dried by drying machine 1 Object stockpiles the stipulated time and carries out cooling tank.
In addition, in the moisture meter for the damage type for crushing cereal between electrode roller, in the moisture for measuring cereal every time When content, the loss (clast) of cereal will produce.In addition, since the cereal broken into pieces can be attached on electrode roller, it measures Precision is possible to accordingly decrease.
In the present embodiment, due to non-destructively measuring the moisture of cereal, so carrying out moisture When measurement, the loss of cereal is not had, in addition, measurement accuracy will not reduce, can carry out high-precision measurement.
In the present embodiment, as above-mentioned Nondestructive measurement device 9, using spectral analysis device, (Nondestructive measurement fills It is the device that the moisture by the cereal after drying section 4 is measured using spectrum analysis to set 9).Spectral analysis device is at least Have:The light-projecting portion of irradiation light (the measurement light for measurement) and for receiving the light irradiated from light-projecting portion (measurement light) Acceptance part.In other words, spectral analysis device has the light projector acceptance part (light-projecting portion and acceptance part) of the moisture for measuring cereal. For spectral analysis device, such as it can enumerate:Near infrared moisture meter, middle infrared spectrophotometer, UV visual light splitting Photometer, Raman spectroscopic apparatus etc..In addition, as spectral analysis device, as long as spectrum analysis can be utilized to measure cereal The device of moisture, can also be illustration device other than device.
Near infrared moisture meter is that the device of the moisture of cereal is measured using near infrared spectroscopy, and is by that will include close Light including infrared ray irradiates to cereal and measures the reflectivity of the cereal to measure the moisture of a characteristic as cereal The device of (moisture).Middle infrared spectrophotometer is measured using the infrared light of mid infrared region and using spectrum analysis The device of the moisture of cereal.UV visual spectrophotometer is the region of the light using ultraviolet region and visible area and profit The device of the moisture of cereal is measured with spectrum analysis.Raman spectroscopic apparatus is irradiated laser to cereal and according to generation Raman diffused light measure the device of the moisture of cereal.In the present embodiment, it as the spectral analysis device, uses Near infrared moisture meter (spectral analysis device is near infrared moisture meter).It, can be with (between tens of seconds near infrared moisture meter Every) measure cereal moisture (also capable of continuously measuring).In addition, near infrared moisture meter can be in the state of Grain flow Under precisely measure moisture.In addition, near infrared moisture meter can measure a large amount of cereal by one-shot measurement Moisture.In addition, the moisture measured by near infrared moisture meter is the ratio (moisture amount %) relative to quality.
In addition, in condenser type moisture meter, the case where measuring the moisture of cereal of high-moisture and low moisture is measured Cereal moisture in the case of, it has to change the frequency to Grain flow.Accordingly, it is difficult to improve measurement accuracy.Phase For this, near infrared moisture meter, paddy can precisely be measured by using either high-moisture or low moisture The calibration curve of the moisture of object, even if can precisely measure the moisture of cereal if the moisture content change of cereal Content.
Then, in drying machine 1, the drying of cereal is carried out using hot wind, warm wind etc. as described above, thus, drying machine 1 Interior is more harsh temperature environment.That is, being housed in the relatively stable situation of the temperature environments such as container, cereal tank with before drying It compares, the cereal in drying machine 1 is placed under the situation that temperature environment is easily varied.Therefore, the temperature of the cereal in drying machine 1 Degree (grain temperature) is understood according to position, generates variation according to the time.In addition, the ambient temperature in drying machine 1 also can be according to position It sets, generate variation according to the time.
In the present embodiment, using the calibration curve being modified to temperature, though so as to temperature (grain temperature, Ambient temperature) it is different in the case of, can also obtain identical value.In other words, use can survey grain temperature changes Measure the calibration curve of correct moisture.In particular, (close in the spectral analysis device applied to drying machine measuring device 9 Infrared moisture meter) in, the amendment based on temperature change is incorporated into calibration curve, even if being capable of precision if measurement without temperature The moisture of cereal is measured well, this is different from previous near infrared moisture meter.It is (close red in previous spectral analysis device Free surface moisture meter) in, in the case of temperature change, it has to be modified, be needed based on the temperature measured by sensor etc. Temperature is wanted to measure.
That is, in the spectral analysis device (near infrared moisture meter) of the present invention, due to will be compiled based on the amendment of temperature change Enter calibration curve, therefore, even if can be measured from low temperature to high temperature if measurement without temperature.In other words, spectrum analysis Device (near infrared moisture meter) has the calibration curve for being incorporated into temperature adjustmemt, therefore, even if can if measurement without temperature Measure the moisture of cereal.It has been incorporated into from low temperature to height in addition, spectral analysis device (near infrared moisture meter) can also have The modified calibration curve of temperature.
Drying machine measuring device (spectral analysis device) 9 be corresponding (suitable) drying in drying machine 1 so as to The device of the moisture of cereal is properly measured in the drying machine 1 that cereal is dried.That is, drying machine measuring device (spectral analysis device) 9 is even if easy ting produce variation in the temperature (grain temperature or ambient temperature) as drying machine 1 Also the device of grain temperature can be properly measured under situation.
Specifically, considering the distinctive temperature environment of drying machine 1, spectral analysis device (near infrared moisture meter) 9 is for example The moisture of cereal can be accurately measured with 10 DEG C~50 DEG C of ambient temperature.Ambient temperature is, for example, that cereal passes through light projector The temperature of the position of acceptance part at least utilizes spectral analysis device 9 to measure the temperature around cereal.In other words, by spectrum The calibration curve of analytical equipment (near infrared moisture meter) 9 is set as corresponding with the temperature environment of drying machine 1, for example, being set as The temperature (grain temperature) of cereal itself accurately measures the moisture of cereal in the case of being 10 DEG C~50 DEG C.
Thus, the near infrared moisture meter (spectral analysis device) of present embodiment can be with 10 DEG C~50 DEG C of temperature (paddy Object temperature or ambient temperature) measure cereal moisture.Moreover, in other words, considering the temperature environment in drying machine 1, inciting somebody to action The lower limiting value of temperature is set as 10 DEG C, is set as upper limit value on the basis of 50 DEG C, near infrared moisture meter (spectral analysis device) For, especially no matter temperature (grain temperature or ambient temperature) is lower limiting value (10 DEG C) or is upper limit value (50 DEG C), is utilized Being incorporated into the modified calibration curve based on temperature change, (correction corresponding with the temperature until 10 DEG C~50 DEG C is bent Line), near infrared moisture meter (spectral analysis device) can accurately detect the moisture of cereal.It is 10 DEG C~50 in temperature In the case of DEG C, the moisture that near infrared moisture meter (spectral analysis device) can utilize calibration curve to accurately measure the cereal contains Amount.It is more than especially that 40 DEG C or grain temperature are less than 20 DEG C in grain temperature near infrared moisture meter (spectral analysis device) In the case of, it also can properly measure grain temperature.
In addition, in the present embodiment, near infrared moisture meter (spectral analysis device) can be with higher than external air temperature Ambient temperature accurately measure the moisture of cereal.External air temperature refers to the environment of the outside (surrounding) of drying machine 1 Temperature.For example, being natural external air temperature (10 DEG C~30 DEG C).
In addition, the starch that cereal is included is when more than 60 DEG C, it is possible to will produce Alphaization.In drying machine 1, examine The setting of temperature considered Alphaization and be dried.It is preferred, therefore, that near infrared moisture meter (spectral analysis device) For, it is also considered that the distinctive environment of drying machine 1, and the setting for carrying out calibration curve etc., so as to 60 DEG C of temperature below Spend the moisture that (grain temperature or ambient temperature) properly measures cereal.In other words, it is preferred that near infrared moisture meter (spectral analysis device) is the device of the moisture for the grain temperature measurement cereal for not generating Alphaization with starch.Thus, Can be more than that 40 DEG C~60 DEG C ranges below are properly surveyed in grain temperature near infrared moisture meter (spectral analysis device) Measure grain temperature.
As shown in figure 4, measuring device 9 (near infrared moisture meter) is set to the first transverse direction that transverse direction transports the cereal after drying Transport portion 7.By the way that measuring device 9 is arranged in the first lateral transport portion 7, transversely sent out after the drying to accurately measure The moisture of cereal.
Specifically, measuring device 9 is arranged in the circulation path 21 of the first lateral transport portion 7 and bottom wall 22C.In bottom wall The rake 22Cb of 22C forms fenestrate 29, in the outside (under rake 22Cb of the window 29 for the part for constituting rake 22Cb Surface side) it is equipped with measuring device 9.The optical axis (optical axis of light of the irradiation including near infrared ray) of measuring device 9 is towards window 29, the moisture for the cereal for flowing through rake 22Cb (window) is measured using the measuring device 9.Thereby, it is possible to one side to make cereal It consistently spreads, measures the moisture for the cereal for flowing through rake 22Cb using measuring device 9 on one side.It is surveyed that is, can utilize Amount device 9 measures the moisture in the most of cereal recycled after drying.In this embodiment, by that will measure Device 9 is assemblied in the rake 22Cb of circulation path 21, to which the moisture of the cereal to flowing through rake 22Cb is surveyed Amount, but can also be by assembling measuring device 9 in the top of rake 22Cb, and the optical axis direction of the measuring device 9 is made to incline Inclined portion 22Cb, to which the moisture of the cereal to flowing through rake 22Cb measures.
As shown in figure 4, the lower end of throw-in part 2 (hopper) is set to the top of rake 22Cb.The lower end of hopper with With the opposite upper wall 22A connections of rake 22Cb.Hopper is set to the top of rake 22Cb, and measuring device 9 is set to inclination Portion 22Cb, therefore, it is possible to measure the moisture of the cereal (cereal before dry) after just input hopper using measuring device 9, Further, it is possible to measure the moisture for the cereal for flowing through rake 22Cb after the drying.
Then, illustrate the schematical installation site (the measurement position for measuring cereal) for installing measuring device 9.
As from the installation site from the point of view of the construction around the measuring device 9 installed, it may be considered that as follows First installation site, the second installation site and third installation site.
First installation site is that the position of installation measuring device 9 is the conveyance plane of conveyance cereal and the conveyance plane is plane The position of (flat).In which case it is preferable that the light projector light-receiving surface of measuring device 9 (near infrared moisture meter) is flat.Separately Outside, the state of the measured cereal in conveyance plane is either high density state, can also be rarefaction.High density state refers to Cereal is gathered into the state (overstocked state) of degree very close to each other between cereal.Rarefaction refers to cereal to be had between cereal The state (thin state excessively) assembled in the state of the gap bigger than high density state.In first installation site, can make on one side Cereal recycles, and continuously and efficiently measures moisture on one side.In addition, with batch-type (Japanese:バ ッ チ formulas) it compares, it can make The amount of the cereal of measurement increases.In addition, due to measuring the cereal in plane, so the measurement of the moisture of cereal can be improved Precision.
Second installation site be install measuring device 9 position be cereal by face (conveyance plane) position.In the feelings Under condition, no matter conveyance plane is for plane (flat) or with recess portion.In addition, the throwing of measuring device 9 (near infrared moisture meter) It is not absolutely required to flat for light light-receiving surface.In addition, the state of measured cereal in conveyance plane is either high density state, It can be rarefaction.In second installation site, also cereal can be made to recycle on one side, continuously and efficiently measure water on one side Divide content.In addition, compared with batch-type, the amount of the cereal of measurement can be made to increase.
Third installation site is that the light projector light-receiving surface of measuring device 9 (near infrared moisture meter) is flat and cereal can be made at this On flat light projector light-receiving surface by position.In this case, as long as light projector light-receiving surface is flat, cereal by face without By for plane (flat) or with recess portion.In addition, the state of measured cereal is either high density state, it can also It is rarefaction.In the third installation site, since cereal passes through on flat light projector light-receiving surface, so cereal can be improved Moisture measurement accuracy.
Then, the installation site as the cereal state for the position for being conceived to installation measuring device 9, it may be considered that following institute The 4th installation site, the 5th installation site and the 6th installation site shown.
4th installation site is that the state of cereal is the position of high density state.In this case, measure cereal face no matter For plane (flat) or there is recess portion.In addition, the light projector light-receiving surface of measuring device 9 (near infrared moisture meter) might not It needs flat.In the 4th installation site, it is capable of the moisture of the more cereal of one-shot measurement.
5th installation site is the position that temperature is stablized.No matter the conveyance plane for transporting cereal still has for plane (flat) Recess portion.In addition, it is not absolutely required to flat for the light projector light-receiving surface of measuring device 9 (near infrared moisture meter).In addition, conveyance plane On measured cereal state either high density state, can also be rarefaction.In the 5th installation site, energy Enough excretions are in the influence of the temperature of measuring device 9, therefore, it is possible to improve measurement accuracy.
6th installation site is that cereal (is also included within the position other than the path of cereal cycle as the position of constant layer Form accumulator portion).The conveyance plane of cereal is transported no matter for plane (flat) or with recess portion.In addition, measuring device 9 It is not absolutely required to flat for the light projector light-receiving surface of (near infrared moisture meter).In addition, the state of measured cereal is high density state. In the 6th installation site, it is capable of the moisture of the more cereal of one-shot measurement.In addition, can also be carried out from separated part It measures.
Then, as the 7th installation site from the point of view of drying path, it may be considered that in leading to from the cereal in drying machine 1 The position that normal drying path (circulating path) is deviateed, which is formed, measures position.For the 7th installation site, cereal is led Enter the measurement position being separately arranged, and the moisture of the cereal to importeding into the measurement position measures, and after a measurement, makes Cereal returns to common circulating path from position is measured.In the 7th installation site, when measuring, no matter cereal rests on With measuring position or grain shifting by measuring position.In addition, measuring position can both be surrounded, can not also be wrapped It encloses.In addition, in the 7th installation site, no matter the conveyance plane of cereal is transported for plane (flat) or with recess portion. In addition, whether the light projector light-receiving surface of measuring device 9 (near infrared moisture meter) is flat.In addition, the state of measured cereal Either high density state, can also be rarefaction.In the 7th installation site, the freedom of installation site can be improved Degree.
Then, with reference to Fig. 4~Figure 15, the specific installation example of measuring device 9 is illustrated.
Fig. 4 shows installation example 1.The installation example 1 is as described above.
Fig. 5 shows installation example 2.For the installation example 2, shows and measuring device 9 is installed on circulation path 21 Interconnecting part 23 example.Specifically, measuring device 9 is set to the lower surface of the lower wall 23A of interconnecting part 23.
Fig. 6 shows installation example 3.For the installation example 3, the stream that measuring device 9 is installed on to collection valley 5 is shown The example of the lower surface of the bottom plate 12A of groove portion 12.
Fig. 7, Fig. 8 show installation example 4.In the installation example 4, the lower part of shell 16 is provided with interim accumulating part 31, Measuring device 9 is installed in the interim accumulating part 31.Interim accumulating part 31 is the device for stockpiling cereal temporarily.Interim accumulating part 31 Have:Be set to the back side of the second wall 16B of shell 16 stockpile case 32 and be arranged stockpile the inside of case 32 up and down midway Flapper (the Japanese in portion:シャッタ)33.The second wall 16B be formed with the taking mouth 34 being connected to the top for stockpiling case 32, The return port 35 being connected to with the lower part for stockpiling case 32.It is flown up by making cereal when scraper bowl 17D shovels take cereal, in addition, passing through So that cereal is scattered from the scraper bowl 17D positioned at the upper side for stockpiling case 32, to by the cereal of the lower part of shell 16 from taking mouth 34 It is taken into and stockpiles in case 32.Flapper 33 is opened and closed between taking mouth 34 and return port 35 by swinging up and down Action.By close flapper 33, so as to by crop storage above the flapper 33 stockpiled in case 32.Utilize survey Amount device 9 measures the moisture for being stored in the cereal stockpiled in case 32.After moisture measurement, by make flapper 33 to Lower section swings and opens flapper 33, and shell 16 is returned to from return port 35 to make to be stored in the cereal stockpiled in case 32 Lower part.
In addition, as interim accumulating part 31 as shown in imaginary line, can also be set to the of shell 16 in fig. 8 Three wall 16C or the 4th wall 16D.In which case it is preferable that interim accumulating part 31 is set to the uplifted side by trucking department 17 Position.Alternatively, it is also possible to which interim accumulating part 31 to be installed on to the first wall 16A of shell 16.
Fig. 9 shows installation example 5.For the installation example 5, shows and measuring device 9 is installed on discharge unit 19 The example of contacting wall 19B.
Figure 10 shows installation example 6.For the installation example 6, shows and measuring device 9 is installed on discharge unit 19 The example of guiding wall 19E.
Figure 11 shows installation example 7.In the installation example 7, the contacting wall 19B of discharge unit 19 is provided with interim accumulating part 31, measuring device 9 is installed in the interim accumulating part 31.Since construction related with interim accumulating part 31 is identical as installation example 4, So omitting the description.
Figure 12 shows installation example 8.For the installation example 8, show that measuring device 9, which is installed on second, laterally transports Send the example of the screw case 28 in portion 8.Specifically, it is installed on the coupling part pair of screw case 28 being connect with same outlet 19F The part answered.
Figure 13 shows installation example 9.For the installation example 9, shows and measuring device 9 is installed in accumulating part 3 Dry slot 10 example.In such a situation it is preferred that measuring device 9 to be set to the lower part of accumulating part 3.
Figure 14 shows installation example 10.In the installation example 10, the dry slot 10 in accumulating part 3 is provided with to be stockpiled temporarily Portion 31 is equipped with measuring device 9 in the interim accumulating part 31.Due to the related construction with interim accumulating part 31 and 4 phase of installation example Together, so omitting the description.
Figure 15 shows installation example 11 by solid line, and installation example 12 is shown by imaginary line.For installation example 11, show by Measuring device 9 is installed on the example of drying section 4.In legend, measuring device 9 is installed on to the back face wall 4B of drying section 4.This Outside, measuring device 9 can also be installed on to the face wall 4A of drying section 4.For installation example 12, show measuring device 9 are installed on the example of collection valley 5.In legend, by measuring device 9 be installed on collection paddy component 11 and/or ways 13a, 13b、13c。
In addition, the position setting shown in each installation example of measuring device 9 is multiple.Alternatively, it is also possible to using more A installation example.For longitudinal transport portion 6, the carrying device of scraper bowl conveying type is instantiated, but as longitudinal transport portion 6, The carrying device of screw rod transmission type can also be used.In this case, shell 16 can directly be measured using measuring device 9 The moisture of the cereal of the rice accumulator portion of lower part or top.
Installation example 1, installation example 2, installation example 3 and installation example 12 show the first installation site, the second installation site and The example of three installation sites.
Installation example 1, installation example 2, installation example 3, installation example 7, installation example 9, installation example 11, installation example 12 and installation example 14 are shown The example of the 4th installation site is gone out.
Installation example 5, installation example 6, installation example 7 and installation example 8 show the example of the 5th installation site.
Installation example 9, installation example 10, installation example 11 and installation example 12 show the example of the 6th installation site.
Installation example 4, installation example 11 and installation example 14 show the example of the 7th installation site.
As shown in figure 16, drying machine 1 has:The first control units (the first controller) 80A being made of CPU etc. and progress The display device 68 of various displays.
Measuring device 9 is connect with the first controller 80A.The first controller 80A is based on the water measured by measuring device 9 Content is divided to carry out various operations related with drying machine 1.
Operation based on the first controller 80A is illustrated.
Measuring device 9 is connect with the first controller 80A.The first controller 80A is based on the water measured by measuring device 9 Content is divided to carry out various operations related with drying machine 1.
Operation based on the first controller 80A is illustrated.
First controller 80A has moisture slip operational part 90.Moisture slip operational part 90 is by being stored in the first control The compositions such as program, electronic circuit, the electric circuit of device 80A processed.Moisture slip operational part 90 is based on (close red by measuring device 9 Free surface moisture meter) moisture measured, operation is carried out to the moisture slip of the decrement as moisture per unit time. For convenience of description, will be known as " measuring moisture " by the moisture that measuring device 9 (near infrared moisture meter) is measured.
After starting the drying that is carried out by drying machine 1, moisture slip operational part 90 was in (such as every 30 seconds per stipulated time ~60 seconds) in obtain measure moisture.Then, it at the time of as more than regulation measurement moisture, such as is measuring At the time of the quantity of moisture is five or more, as shown in Figure 17 A, moisture slip operational part 90 uses the whole measured Measurement moisture, by least square method find out indicate measure moisture slip reduction proximal line L1 (intercept, Slope).Then, the parameter of proximal line L1, as seen in this fig. 17b, water are reduced based on the measurement interval and expression for measuring moisture Slip operational part 90 is divided to be converted into reduction proximal line L2 (intercept, slope) per unit time by proximal line L1 is reduced.It reduces The slope of proximal line L2 is moisture slip.The moisture that moisture slip operational part 90 for example finds out each minute (60 seconds) is reduced Rate.Moisture slip operational part 90 uses the measurement moisture measured when being measured every time to measuring moisture Content finds out the slope for reducing proximal line L2 as moisture slip.In addition, in the above-described embodiment, being reduced finding out After proximal line L1 (intercept, slope), by reduce proximal line L1 be converted into per unit time reduction proximal line L2 (intercept, tiltedly Rate), but find out the slope (moisture slip) for reducing proximal line L2 while the calculating for reducing proximal line L1 can also be omitted.
First controller 80A has moisture unevenness operational part 91.Moisture unevenness operational part 91 is by being stored in the first controller The compositions such as program, electronic circuit, the electric circuit of 80A.Moisture unevenness operational part 91 is based on by 9 (near infrared moisture of measuring device Meter) moisture measured, operation is carried out to the moisture unevenness of the difference of the maxima and minima as moisture.
After finding out the slope (moisture slip) for reducing proximal line L2 in moisture slip operational part 90, moisture unevenness operation Portion 91 is based on the moisture slip and elapsed time (the passing through the time) from starting drying, is modified to measuring moisture value. Specifically, moisture unevenness operational part 91 is according to " correcting moisture=measurement moisture value × by the time and (measure measurement water Pass through the time at the time of score value) ", find out amendment moisture.With by the reduction proximal line L2 shown in Figure 17 B accordingly When finding out amendment moisture, the revised modified line L3 of moisture will be corrected as seen in this fig. 17b.
Moisture unevenness operational part 91 is based on correcting moisture, finds out the maximum value for correcting moisture and contains with moisture is corrected The difference (difference of the maxima and minima of moisture) of the minimum value of amount, and using the difference found out as moisture unevenness.In Figure 17 B Modified line L3 in the case of, the maximum value for correcting moisture is 15.91%, and the minimum value for correcting moisture is 15.74%, therefore, moisture is not 0.2%.
In addition, in the above-described embodiment, moisture unevenness operational part 91 is based on moisture slip and passes through the time, to measuring Moisture is modified, and using the difference of the revised maxima and minima for correcting moisture as moisture unevenness, but Can also be, using moisture itself is measured, to find out moisture unevenness.That is, moisture unevenness operational part 91 can also root Moisture unevenness is found out according to the difference of the maxima and minima of the measurement moisture as measured value.
First controller 80A has Target Acquisition portion 92 and temporal calculation portion 93.Target Acquisition portion 92 and temporal calculation portion 93 are made of program, electronic circuit, the electric circuit etc. for being stored in the first controller 80A.
Target Acquisition portion 92 obtains moisture, that is, target moisture content of the target of the cereal after being dried by drying machine 1. Target Acquisition portion 92 obtains target moisture content from the display device 68 of drying machine 1, or is calculated from aftermentioned crop management Machine obtains target moisture content.
Specifically, in display device 68, crop management computer, such as can utilize and be set to the display device 68, the input interface of crop management computer, target moisture content of the setting for defined drying process.Target Acquisition portion 92 are directed to the target moisture content of defined drying process to display device 68, the request of crop management computer, to obtain The target moisture content sent from display device 68, crop management computer.In addition, Target Acquisition portion 92 might not be to aobvious Showing device 68, crop management computer carry out target moisture content request, can also automatically obtain from display device 68, The target moisture content that crop management computer is sent.
Temporal calculation portion 93 is based on the measurement moisture and target water measured by measuring device 9 (near infrared moisture meter) Divide content, calculates the arrival time for reaching target moisture content.Start by drying machine 1 specifically, temporal calculation portion 93 uses Measurement moisture, target moisture content and the moisture slip found out by moisture slip operational part 90 when dry, meter Calculate the arrival time for reaching target moisture content.Temporal calculation portion 93 is according to " arrival time=(measurement moisture when dry beginning Content-target moisture content)/moisture slip ", find out arrival time.By the meter for the arrival time that temporal calculation portion 93 carries out Calculation is not limited to the above embodiment.For example, temporal calculation portion 93 both can every time to measure moisture measure when, Arrival time is found out according to " arrival time=(current measurement moisture-target moisture content)/moisture slip ", also may be used So that the measurement moisture and moisture slip in the stage used in actual measurement moisture close to target moisture content, are asked Go out arrival time.
As described above, the first controller 80A has moisture slip operational part 90, moisture unevenness operational part 91 and time fortune Calculation portion 93, therefore, based on moisture is measured, measurement moisture can be utilized to find out, and moisture slip, moisture are uneven, reach Time.
In addition, in the above-described embodiment, the first controller 80A has moisture slip operational part 90, moisture unevenness fortune The whole in calculation portion 91 and temporal calculation portion 93, but aforesaid way can also be replaced, have moisture slip operational part 90, moisture not It is arbitrary in equal operational part 91 and temporal calculation portion 93.
Can also be that the first controller 80A measures the water of cereal using measuring device 9 when actually reaching arrival time Divide content, and using the moisture measured as the representative moisture after drying of drying machine 1.In addition, in drying In machine 1, the timing of the moisture of cereal is measured in measuring device 9, although the moisture measured sometimes also can be with Target moisture content is consistent, but the moisture measured is slightly less than target moisture content sometimes.That is, being filled measuring In setting 9, for example, when the 30th time more than target moisture content and when the 31st time when in the case of be less than target moisture content, Generations after drying of the first controller 80A by the 31st measurement result (moisture measured) as drying machine 1 Table moisture.That is, the first controller 80A monitors the moisture measured by measuring device 9, and will contain less than Target moisture It measures and with the immediate measured value of target moisture content as representative moisture after drying.
Display device 68 shows above-mentioned measurement moisture, moisture slip, moisture unevenness, arrival time.For example, can Using the input interface of display device 68, selects " moisture is shown ", " moisture slip is shown ", " moisture unevenness is shown ", " passes through The pattern of time showing ".In the case of selection " moisture is shown ", as shown in Figure 18 A, display device 68 is in display units such as liquid crystal 68A utilizes the displays such as the line chart passage for measuring moisture corresponding with measurement point.In selection " moisture slip is shown " In the case of, as shown in figure 18b, display device 68 reduces proximal line L2 and moisture slip in display unit 68A displays.
In addition, in the case of selection " moisture unevenness is shown ", as shown in figure 18 c, display device 68 is in display unit 68A profits The passage of moisture is corrected with the displays such as line chart are corresponding with measurement point, and shows the maximum value and most for correcting moisture Small value.In addition, in the case of selection " moisture unevenness is shown ", can also replace correcting moisture, display is used as measured value Measurement moisture passage, measure moisture maximum value and minimum value.
Moreover, in the case of selection " passing through time showing ", as shown in Figure 18 D, display device 68 is aobvious in display unit 68A Show reduction proximal line L2 corresponding with the time is passed through and arrival time.It, both can be by addition, for the display of arrival time (dry end time) indicates at the time of reaching target moisture content, can also by from it is current at the time of play and reach target water Remaining time (such as 15 minutes) until point content indicates, can also play arrival Target moisture by being dried from Total duration (such as 300 minutes) until content indicates, can also carry out other displays.
In addition, in the above-described embodiment, display device 68 is configured to display and measures moisture, moisture slip, water Divide whole uneven and by the time, but aforesaid way can also be replaced, for display measurement moisture, moisture slip, water Divide unevenness and by the arbitrary device in the time.
Then, the first controller 80A is based on measuring moisture, and the control of machine 1 is dried.First controller 80A Such as carry out control, i.e. " control of moisture slip " based on moisture slip, the control based on moisture unevenness, i.e. " unevenness removal Control ".
The moisture that first controller 80A has progress " control of moisture slip " reduces control unit 95.Moisture reduces control Portion 95 is made of program, electronic circuit, the electric circuit etc. for being stored in the first controller 80A.
Moisture reduces control unit 95 based on the moisture slip found out by moisture slip operational part 90, to drying section 4 into Row control.Moisture reduces control unit 95 for example as shown in figure 19, based on 90 calculated current water of moisture slip operational part Slip (current to calculate moisture slip), moisture of the prediction from the regulation moment P1 after currently playing the stipulated time is divided to contain Amount.That is, moisture reduces control unit 95 calculates moisture slip using current, the prediction moisture at regulation moment P1 is found out. Then, moisture reduces the prediction moisture that control unit 95 is found out at regulation moment P1 and (predicts water with the difference for measuring moisture Divide content-measurement moisture=moisture slip poor), in the case where moisture slip difference is negative value, it is considered as drying and does not promote, with Moisture slip difference correspondingly improves the output of the burner exported by drying section 4.On the other hand, it is just in moisture slip difference In the case of value, it is considered as drying and excessively promotes, moisture reduces control unit 95 and accordingly decreased by drying section 4 with moisture slip difference The output of the burner of output.
In addition, in the above-described embodiment, moisture reduces control unit 95 and is positive value based on moisture slip difference or is negative value The case where, the output of burner is changed but it is also possible to be judging whether moisture slip difference is the (judgement of predetermined threshold value Value) more than, in the case of more than for threshold value, the control of the output of burner is correspondingly changed with the size of threshold value. In the case that moisture slip difference is not the positive value or negative value of threshold value or more, the change of the output without burner.
It for example (currently can also calculate moisture to reduce based on current moisture slip in addition, moisture reduces control unit 95 Rate) and predetermined moisture slip (setting moisture slip), carry out moisture slip control.For example, being calculated currently In the case that moisture slip is bigger than setting moisture slip, is considered as drying and excessively promotes, moisture reduce control unit 95 with it is current Calculating moisture slip accordingly decreases the output of the burner exported by drying section 4 with the difference for setting moisture slip.It is another Aspect is considered as drying and does not promote, moisture reduces control in the case where currently calculating moisture slip is smaller than setting moisture slip Portion 95 processed correspondingly improves the burner exported by drying section 4 with the current difference for calculating moisture slip and setting moisture slip Output.In addition, instead of above-mentioned setting moisture slip, moisture, which reduces control unit 95, to use the moisture found out in the past to subtract Few rate (past calculates moisture slip) carries out moisture slip control.In this case, by above-mentioned " setting moisture slip " It replaces with " past calculates moisture slip ".
First controller 80A has the uneven removal control unit 96 of progress " unevenness removal control ".Unevenness removal control unit 96 are made of program, electronic circuit, the electric circuit etc. for being stored in the first controller 80A.
Unevenness removal control unit 96 is uneven based on the moisture found out by moisture unevenness operational part 91, is controlled to drying section 4 System.Unevenness removal control unit 96 is in the moisture uneven (current moisture is uneven) found out by moisture unevenness operational part 91 than predefining Value (moisture unevenness setting value) it is big in the case of, carry out the control for reducing moisture unevenness.Specifically, uneven removal control unit 96 in the case where current moisture unevenness is bigger than moisture unevenness setting value, stops the output of the burner of drying section 4, another party Face drives the drive motor of lateral conveyer 65A and longitudinal conveyer 65B, cereal is made (to be deposited in drying machine 1 Product portion 3, drying section 4, circulation portions) cycle.That is, uneven removal control unit 96 is recycled by making cereal in drying machine 1, To reduce the temperature of cereal, reduce the deviation of the temperature of cereal.In addition, uneven removal control unit 96 can also be driven by one side The dynamic ventilation device being aerated to drying machine 1 (dry slot 10), carries out the cycle of cereal on one side, to carry out uneven removal control System.Like this, so that cereal is recycled by one side, reduce the temperature etc. of cereal on one side, moisture when so as to reduce dry is not .
More than, the present invention is described, but it will be understood that embodiment of disclosure is all in all respects It illustrates, rather than is restrictive content.The scope of the present invention is not shown by above description, but is shown in the claims, Having altered in the meaning and range same with claims is included by intention.
In addition, in the present embodiment, as drying machine 1, following of being dried while making cereal recycle is instantiated Ring drier, but recycle either can also be interrupted continuously, that is, either the drying machine of continuous cycle type, It can also be the drying machine of intermittent type.Alternatively, it is also possible to be the drying machine for not making cereal cyclically be dried, i.e. by cereal The standing type drying machine being dried in the state of position as defined in being statically placed in.
Reference sign
1 drying machine
4 drying sections
9 Nondestructive measurement devices (spectral analysis device, near infrared moisture meter)

Claims (18)

1. a kind of drying machine, which is characterized in that the drying machine has:
Cereal is dried in drying section, the drying section;And
Nondestructive measurement device, the Nondestructive measurement device non-destructively measure the water by the cereal after the drying section Divide content.
2. drying machine according to claim 1, which is characterized in that
The Nondestructive measurement device is spectral analysis device, and the spectral analysis device passes through institute using spectrum analysis to measure State the moisture of the cereal after drying section.
3. drying machine according to claim 2, which is characterized in that
The spectral analysis device is near infrared moisture meter.
4. drying machine according to claim 2 or 3, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with the temperature higher than external air temperature.
5. drying machine according to claim 2 or 3, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with 60 DEG C of temperature below.
6. drying machine according to claim 2 or 3, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with 10 DEG C~50 DEG C of temperature.
7. drying machine according to claim 2 or 3, which is characterized in that
The temperature that the spectral analysis device does not generate Alphaization for the starch that is included with cereal measures the moisture of cereal and contains The device of amount.
8. drying machine according to any one of claims 1 to 7, which is characterized in that
The Nondestructive measurement device is single device, is the dress for the moisture that cereal is continuously measured with short measurement interval It sets.
9. according to drying machine according to any one of claims 1 to 8, which is characterized in that
The Nondestructive measurement device is the device for the moisture that cereal is measured with the measurement interval less than 5 minutes.
10. a kind of drying machine measuring device, which is characterized in that
The drying machine is Nondestructive measurement device with measuring device, and the Nondestructive measurement device, which non-destructively measures, to be passed through The moisture of cereal after the drying section of drying machine.
11. drying machine measuring device according to claim 10, which is characterized in that
The Nondestructive measurement device is spectral analysis device, and the spectral analysis device passes through institute using spectrum analysis to measure State the moisture of the cereal after drying section.
12. drying machine measuring device according to claim 11, which is characterized in that
The spectral analysis device is near infrared moisture meter.
13. the drying machine measuring device according to claim 10 or 11, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with the temperature higher than external air temperature.
14. drying machine measuring device according to claim 11 or 12, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with 60 DEG C of temperature below.
15. drying machine measuring device according to claim 11 or 12, which is characterized in that
The spectral analysis device is the device for the moisture that cereal is measured with 10 DEG C~50 DEG C of temperature.
16. drying machine measuring device according to claim 11 or 12, which is characterized in that
The temperature that the spectral analysis device does not generate Alphaization for the starch that is included with cereal measures the moisture of cereal and contains The device of amount.
17. the drying machine measuring device according to any one of claim 10~16, which is characterized in that
The Nondestructive measurement device is single device, is the dress for the moisture that cereal is continuously measured with short measurement interval It sets.
18. the drying machine measuring device according to any one of claim 10~17, which is characterized in that
The Nondestructive measurement device is the device for the moisture that cereal is measured with the measurement interval less than 5 minutes.
CN201780004795.5A 2016-01-18 2017-01-17 Drying machine and drying machine measuring device Pending CN108369064A (en)

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