WO2011076265A1 - Anordnung und verfahren zur messung von schüttfähigen produkten - Google Patents
Anordnung und verfahren zur messung von schüttfähigen produkten Download PDFInfo
- Publication number
- WO2011076265A1 WO2011076265A1 PCT/EP2009/067789 EP2009067789W WO2011076265A1 WO 2011076265 A1 WO2011076265 A1 WO 2011076265A1 EP 2009067789 W EP2009067789 W EP 2009067789W WO 2011076265 A1 WO2011076265 A1 WO 2011076265A1
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- Prior art keywords
- measuring
- measuring probe
- product
- arrangement according
- measurement
- Prior art date
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
- A01D41/1277—Control or measuring arrangements specially adapted for combines for measuring grain quality
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/10—Starch-containing substances, e.g. dough
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N2001/2007—Flow conveyors
- G01N2001/2021—Flow conveyors falling under gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8592—Grain or other flowing solid samples
Definitions
- the invention relates to an arrangement and a method for measuring at least one property of a product stream, in particular ⁇ for inline NIR measurement of ingredients and quality parameters of bulk products, such.
- a product stream in particular ⁇ for inline NIR measurement of ingredients and quality parameters of bulk products, such.
- ⁇ for inline NIR measurement of ingredients and quality parameters of bulk products, such.
- EP-B-0539537 discloses an in-line method in which ingredients are determined in the bulk material flow, wherein the product is passed in a vertically aligned tube as a dense stream to a transducer. The wavelength ranges of the reflected light are determined in a number of individual measurements for a spectrum.
- the invention has the object of developing the known Anord ⁇ calculations and methods such that their disadvantages are overcome.
- an arrangement and a method for measuring a property of a product stream, that is to be provided which allow a simpler passing the Pro ⁇ duktstroms at a measurement probe at the same time sufficient measurement quality.
- the arrangement comprises at least one Strö ⁇ mung line, in which the product stream can be guided.
- the flow line may be formed as a flow tube, in particular as a round or square tube.
- the Anord ⁇ voltage comprises at least one measuring probe, which is designed and arranged such that at least one property of the flow line is guided in the product stream is measured by means of the measuring probe.
- the arrangement can be designed in particular for NIR measurement, in particular for inline NIR measurement.
- inline especially in connection with ei ⁇ ner inline measurement
- process analytics, strategies and case studies from industry out ⁇ given by Rudolf W. Kessler (2006).
- an inline measurement the measuring point at which the measuring probe is arranged is integrated in the product flow.
- An inline measurement can therefore be used to obtain information about the process and product properties directly. In particular, a sampling can be avoided in this way.
- the flow line is inclined at least in the region of the measuring probe relative to the horizontal by an angle of less than 75 °, preferably at most 70 °, more preferably at most 65 °, particularly preferably at most 60 ° in a Fischströ ⁇ flow direction downwards. So the product flows on ⁇ due to the installation position of the flow line with a downward vertical velocity component.
- the flow and in particular the product flow direction are predetermined by the geometry of the flow line.
- the product should flow past as compact as possible veil at the measuring probe ⁇ , especially at a measuring window of the probe.
- the measurement quality is mainly influenced by the bulk density since the bulk density also changes the stray ⁇ clothes of light and thus the intensity of the reflectors ⁇ oriented light.
- the bulk density is determined inter alia by the angle of the flow line relative to the horizontal.
- the bulk density is also determined by the product mass flow and the product velocity, said Artsge ⁇ speed blocks in free-flowing product of the Einlaufstre- and depends on the angle.
- the mini ⁇ male angle is in the range of 50 ° relative to the horizontal.
- the tube is mounted flat, increases the risk that the per ⁇ domestic product remains are, and can cause hygiene problems or product storage ⁇ Ungen.
- the flow line is inclined in particular for the measurement of flour at least in the region of the probe relative to the horizontal by an angle of at least 50 ° downwards.
- the quality of the measurement critically depends on the fact that the thickness of the product layer, which is different in thickness depending on the product density, can be measured directly in front of the measuring window as a representative sample for the entire product flow. This is no problem for homogeneous products such as flour. However, if inhomogeneous products are to be measured, it must be ensured that this requirement is still met.
- probes are known in which the probe or parts thereof are arranged to be movable, so that a cleaning can take place outside the product flow. Such arrangements are for example in WO 2007/088047, WO
- the cleaning of the measuring window is si ⁇ cher réelle essentially alone by the subsequent product, so that a self-cleaning occurs.
- the cleaning may also be effected by additional components, such as. As compressed air, a mechanical wiper or high-frequency vibrations.
- the probe may be designed for measurement in diffuse reflection with or without direct product contact, or for transmission or transflection measurements.
- the arrangement comprises staging means for generating a stagnation pressure in the flow line, which are arranged in the region of a measuring window of the measuring probe.
- the product flow can be accumulated in the region of the measuring window, whereby at least locally a larger and thus more representative and homogeneous product quantity can be provided for the measurement.
- the storage means are statically formed, so immovable rela ⁇ tive to the flow line. This allows a particularly simp ⁇ che and low-noise design.
- an arrangement of the stowage means in the region of the measurement window means that the stowage means are arranged at a distance of at most 20 cm, preferably at most 10 cm, particularly preferably at most 5 cm, from the measurement window.
- the storage means are arranged upstream of the measuring window.
- the storage means are arranged downstream of the measuring window.
- the backflow generated by the debris can also locally influence the product quantity in the measuring range of the measuring probe.
- the storage means may be formed as a cross-sectional constriction of an inner wall of the flow line. This is also a simple construction.
- the stowage means may be formed as at least one arranged in the flow line chicane, in particular as a jump.
- the storage means in particular a jump, are at least partially formed by the measurement window itself. This also serves a simple structural design. If the product is diverted directly on the measuring window verbes ⁇ Also the self-cleaning effect sert.
- the jump and / or the measuring window are arranged in a direction flatter to the product flow direction angle. This improves the product presentation by pushing the product onto the measurement window. Through this on ⁇ sharmlichen pressure also the self-cleaning effect is sert EXPANDING.
- the preferred angle between the jump and / or the measurement window and the product flow direction depends on the product properties as well as the structure of the flow line. For many applications, it has proved favorable if this angle between the measuring window and the product flow is in the range from 0 ° to 30 °, preferably from 5 ° to 20 °, particularly preferably from 8 ° to 15 °.
- the measuring window is therefore preferably arranged flush with the inner wall of the flow tube. So dead spaces are avoided in de ⁇ the product nen accumulate and may thereby cause about hygiene problems.
- the surfaces which bound the interior of the flow line, at least in the region of a measuring window of the measuring probe substantially immobile.
- These surfaces may be formed by or contain the inner walls of the flow conduit.
- the surfaces may also comprise the surfaces of other components that protrude into the interior, such as the surfaces above chicanes.
- the probe may be disposed in a region of the flowline in which the product flow direction changes.
- the product flow direction is defined by the formation of the flow line and in particular the shape of the inner walls. Due to such ⁇ n ⁇ alteration of the product flow direction a local damming up of the product can be produced in the region of the measuring probe also, which in turn simplifies the measurement.
- a change in the product flow direction can be achieved, for example, in that an inner wall of the flow conduit is not rectilinear in a certain sectional plane, in particular in an arcuate manner and / or has a kink, at least in the region of a measuring window of the measuring probe.
- This sectional plane lies so that it contains at least the local Artsströ ⁇ flow direction or in parallel.
- the flow line may have a bend, wherein the measurement window is arranged in the region of this bend.
- the measuring probe is arranged such that the product stream flows directly along a measuring window of the measuring probe. This measure air inlet ⁇ circuits between the measuring window and the product stream can be avoided, which could affect the measurement.
- the flow line and the measuring probe are designed and arranged such that at least a property of a product flow flowing freely in the flow line, in particular flowing or sliding, can be measured by means of the measuring probe.
- a free-flowing product stream flows due to its own gravity and does not have to be driven by forced delivery, such as a discharge screw.
- the flow line and the measuring probe can be designed and arranged such that at least one property in a main product flow can be measured by means of the measuring probe.
- a branching off of a bypass product stream is therefore not absolutely necessary.
- the flow line and the measuring probe are formed and arranged such that by means of the measuring probe min ⁇ least one property in a bypass product stream is measured.
- the measuring window can be tempered.
- the tempering can take place, for example, via at least one heating wire or a heating coil in the immediate vicinity of the measuring window.
- tempering for example, it can be achieved that the temperature of the measuring window is above that of the product and thus no water condenses out on the measuring window. Condensed water would lead to contamination and possible measuring errors, as the mixture of water and product on the measuring Glue window and can not or only insufficiently removed by nachumbledes product.
- the arrangement may comprise at least one evaluation device.
- probe and evaluation unit may be angeord ⁇ net in a housing.
- the arrangement preferably contains a plurality of measuring probes, which in particular can be arranged at different points in the product flow. For example, measure a property of a product stream of a final product, a property of a product stream of an input ⁇ achess, another probe a property of a product stream ⁇ an intermediate, and yet another probe, a measuring probe ⁇ .
- a measuring probe in a laboratory area can be angeord ⁇ net. It need not necessarily be all probes of at ⁇ properly disposed in a region of an inclined flow line; Within the scope of the invention, this only has to be the case for at least one measuring probe.
- the costs per measuring point can be greatly reduced compared to the previously used NIR measuring systems.
- the evaluation unit can be connected or connectable to the probe (s) by at least one fiber optic cable.
- the fiber optic cable can be designed for the transmission of light energy in the NIR range (780 - 2500 nm).
- the use of fiber optic cables allows also the spatially separated arrangement of the evaluation of the probe or probes.
- the arrangement may also comprise at least control cable, by means of which the evaluation device is connected or connectable to the probe (s).
- the evaluation unit can also hold at least one spectrometer ent ⁇ which the decomposed for example by a fiber optic cable via ⁇ karte light and measures the intensities.
- the spectro ⁇ meter can be for example a per se known diode array spectrometer. It is conceivable that different spectrometers are assigned to different probes.
- the evaluation can also contain other components, such as other optical elements, an embedded PC with operating and operating software, the necessary electronics and / or a per se known optical multiplexer, if multiple probes are available.
- the corresponding ingredients (quan ⁇ titative and / or qualitative), quality parameters and / or other product properties can be determined and output as measured values within the evaluation device.
- the calibration of the corresponding ingredients, quality parameters and / or product properties can advantageously be carried out using commercially available software which provides chemometric tools and can work with multivariate data sets.
- the result of this calibration work are models which are loaded onto the evaluation unit.
- the operation Soft ⁇ ware of the NIR system allows the assignment of different such models to the individual measuring points.
- the evaluation unit and / or the operating software of Ausensege ⁇ Raets may be designed to filter out not suitable spectra, so that these spectra are not used for the determination of measured values.
- Such unsuitable spectra can occur, for example, if the measuring window is not constantly covered to a sufficient extent by product or the bulk density is so low that too little diffuse reflected light is incident on the measuring probe for the evaluation.
- Spectra of these states should preferably not be evaluated because they would give a wrong result. These states can he know ⁇ for example by a higher base line in the spectrum. By suitable selection of product-dependent limits and values, unsuitable spectra can be detected automatically.
- the spectra can also be the basis of further mathematical characteristics that can evaluate and filter are calculated with the today ' ⁇ gen standard chemometric software tools.
- a reference database is usually used which contains spectra and associated reference values (eg, ingredients or quality parameters).
- the Referenzda ⁇ tenbank covers advantageously the entire area to be measured. In particular, different product temperatures and different product densities than the state of the art must be taken into account for measurements in the process. This allows the variations of product temperature and density compensated appropriately and in ⁇ terpretationsSystem avoided during operation.
- the arrangement may also include a control unit and / or a control system.
- the measured values can be transmitted to these.
- the control unit or the control system can then take over the control of a higher-level process and / or a higher-level system.
- the parent process may be about a grinding method, in which a product stream is processed, and the parent plant can be used for this purpose Mahlan ⁇ position.
- the present invention also relates to a method for measuring at least one property of a product stream.
- Insbeson ⁇ particular it may be a method for NIR measurement, especially for in-line NIR measurement.
- the method can be carried out with a device according to the invention.
- at least one property is measured in a flow ⁇ a line, in particular in a flow tube, out the product stream by means of a measuring probe.
- the flow line is particularly before inclined, at least in the region of the measuring probe relative to the horizontal by an angle of less than 75 °, preferably at most 70 °, more preferably at most 65 °, ⁇ Trains t more than 60 ° in a product flow direction downwards.
- spectra in the NIR range are recorded by means of at least one measuring probe.
- the product stream flows directly to a measuring window of a measuring probe along ⁇ . This avoids trapped air between the measuring window and the product flow, which could affect the measurement.
- the measurement is preferably carried out on a free-flowing product stream. So an elaborate back pressure of the pro ⁇ domestic product is not required.
- the measurement is carried out in a main product stream.
- the measurement is carried out in a bypass product stream.
- measured data recorded by the measuring probe are transmitted to an evaluation unit, which is arranged in particular spatially separated therefrom .
- the evaluation is in a sheltered place with a constant room temperature, such. In a control room or a measuring cabinet.
- the housing of the evaluation device can be equipped with a temperature control.
- other electronic components such as EMBED ded PC
- the adverse process such as widely varying temperatures or vibrations
- the arrangement of the evaluation unit outside the process ⁇ range It is also possible that the-housed by the measuring probe ⁇ NEN measurement data, in particular the calculated by means of models measured values and / or the spectra in the NIR region are transmitted to a control system and / or a control unit and processed there.
- At least two measuring probes ⁇ can be interrogated sequentially.
- the product stream may contain or consist of cereal grains and / or their constituents.
- ingredients and / or quality parameters of the product stream can be measured using the method.
- the product stream may be input products, intermediates
- a manufacturing process for example a comminution process, such as a milling process.
- the measurement is preferably carried out inline.
- a measurement probe at a measuring point is ⁇ orders may be where it measures, for example in a recipe bread flour and in another recipe biscuit flour.
- different calibration models are assigned or can be assigned to the measuring probes.
- the assignment in connection with the recipe selection can take place automatically and / or the arrangement can carry out the assignment by means of class formation itself.
- the respective models can be assigned to the recipes and then automatically used by the system. Further, it would also be conceivable that the measuring system automatically detects which product is thoroughlyge ⁇ leads on the probe and then automatically selects the appropriate models.
- inventive arrangement relates to the use of an inventive arrangement.
- inventive arrangement and the inventive method allow at ⁇ play, the measurement of ingredients and formulatesparame ⁇ tern or general product properties of bulk products during the product preparation and processing for the purpose of process monitoring (measuring, monitoring), and control and / or regulation of the plants and / or processes.
- the invention relates to the use of an arrangement according to the invention in particular complete plants for the grain milling shop; Flour processing equipment for industrial bakeries; Installations for special milling, in particular for peeling and / or grinding soya, buckwheat, barley, oats, spelled, millet / sorghum, pseudocereals and / or legumes; Installations for the production of foodstuffs for pets and pets; ⁇ Special equipment for the production of feed for fish and
- measured quantities can be determined with the aid of the device according to the invention and the method according to the invention.
- the measured product properties can provide the plant operator with valuable information about the course of the process and, in a further step, can be used in a variety of ways for the plant or process regulations. So can z. B. for networks or recipes control loops are created. Likewise, the composition of mixtures can be analyzed and optionally readjusted.
- the arrangement which is preferred for inline NIR measurement has a modular design and basically comprises at least one measuring probe and at least one evaluation unit.
- the cost per measurement ⁇ stelle be as small as possible, several measuring probes should be connected to an evaluation unit.
- the evaluation unit is arranged to achieve a greater independence of the often times ⁇ adverse process environment conditions spatially separated from the measuring ⁇ probes.
- probes on-site probes with lighting unit, Op ⁇ tik and electronics
- the defined conditions include, for example, a defined temperature and / or a defined air humidity, which in particular can be kept constant.
- the probes are designed so that they can be integrated into various environments, machinery or equipment and are made from particular share from inexpensive single ⁇ . It is also advantageous if the measuring probes allow a continuous measuring operation.
- Show 1 shows a schematic representation of an arrangement according to the invention for the in-line NIR measurement in a main flow, in a buffer section of a bypass flow and in a laboratory area;
- FIG. 2 shows a section of the arrangement according to FIG. 1 with a measuring probe arranged in the region of a jump;
- FIG 3 shows a further arrangement according to the invention for the measurement in a curved pneumatic tube.
- the arrangement essentially consists of at least one, in an advantageous embodiment, several measuring probes 1 and one evaluating device 2.
- the construction and the mode of operation of the measuring probes 1 should be adapted to the product 3 to be measured and the environmental conditions. So it has for powdery products 3 such. B. flour proven to perform the measurement in diffuse reflection.
- the product 3 can be measured by contact, either with the inventive method in a trained as a downpipe 16 flow line within a drop section 4 or as usual in a jam section 5.
- diffuse reflection also not touching, ie with a distance between the measuring window and the product to be measured 3, are measured.
- This arrangement may be advantageous for other purposes, eg in measurements in a laboratory area 6 or via conveyor belts or the like.
- measuring method such.
- the above-mentioned measurement on a conveyor belt without direct product contact or the measurement of low-absorbing media in transmission or transflection can be integrated with designed measuring probes in any combination in the present arrangement and connected to the evaluation unit 2 or. Furthermore, it is in all measuring methods of Advantage, if the product 3 is moved continuously during the measurement, since thus a larger product volume recorded ⁇ who can.
- the measuring probes 1 each contain at least one light source 7 which illuminates the product 3 to be measured in the spectral region of interest by a measuring window 8 which does not absorb much in the respective spectral range.
- a measuring window 8 which does not absorb much in the respective spectral range.
- NIR near infrared range
- sapphire glass has proven to be a measuring window material in the process environment .
- the light source 7 can be redundant.
- the measuring probes 1 are connected by means of control cables 9 to the evaluation device 2.
- This control wiring can be done as shown in Figure 1 via a star structure. but it is also possible a tree structure.
- the measuring probes 1 are additionally connected via fiber optic cable 10 to the evaluation device 2.
- This fiber optic cable 10 transportie ⁇ ren the diffusely reflected light from the product 3 ⁇ 1 to the processing unit 2 is integrated for the Be ⁇ operating with a plurality of probes 1, an optical multiplexer 11 from the Messson in the evaluation unit. 2 This allows the sequential passage of the light transported with the glass fibers 10.
- the number of channels depends on the design of the multiplexer 11 and can be chosen arbitrarily per se.
- the signal is transmitted from a measuring probe 1 to the spectrometer 12, which receives the light intensity as a function of the wavelength.
- the diode array has proven to be a suitable spectrometer.
- the recorded spectra are evaluated on an embedded PC 13.
- the evaluation unit 2 necessary for the operation electronics 14 integrated.
- the operation of the evaluation ⁇ device 2 and the visualization of the measured values can either directly on the Embedded PC 13 or via a control system 22 with ent ⁇ speaking operating or visualization elements 15 done. If the measured values are made available to the control system 22 or a control unit 24 such as a PLC (programmable logic controller), they can be used relatively easily for control and regulating tasks within the processes or installations.
- PLC programmable logic controller
- Fig. 2 the actual measuring arrangement for measuring pourable products 3 is shown in a trained as a downpipe 16 flow line.
- the drop tube 16 normally has a diameter d of 120 mm or 150 mm in the grain and feed milling industry.
- the product 3 to be measured flows freely, ie solely due to gravity, in the drop tube 16 and directly past a measuring window 8 of the measuring probe 1.
- the drop tube 16 is inclined at an angle to the horizontal in the product flow direction R downwards. The angle may vary depending on the product 3 and installation situation. For the measurement of flour, 50 ° to 75 ° have proven effective for angles.
- the measuring probe 1 with measurement window 8 is such ⁇ be formed and arranged so that the product stream 3 is measurable by the measuring probe ⁇ . 1
- the product contacting part of the measuring ⁇ probe 1 has a diameter of 19 mm.
- the measuring window 8 has a diameter of 13 mm.
- the product layer 18 directly in front of the measurement window 8 has to have a certain minimum density of charge for a sufficient measurement quality, which, however, depends on how strongly the product 3 diffusely reflects the infrared radiation.
- the drop tube 16 is shaped such that the measurement window is mounted ß 8 relative to the product stream 3 in an angle.
- the measuring window 8 thus forms part of a jump 17, which form storage means for generating ei ⁇ nes back pressure. It is important to ensure that no Cavities arise, which can lead to product accumulation and thus to hygienic problems.
- the jump 17 extends upstream over a distance b of at most 5 cm from the measuring window 8.
- the jump 17 is immovably rela ⁇ tively to the downpipe 16 and simultaneously forms a cross-sectional constriction ⁇ the inner wall 20 of the drop tube 16th
- the angle ⁇ is dependent on the product properties and on the structure of the drop tube 16. For the measurement of flour, it has been shown that good results are achieved with an angle ⁇ of 10 °.
- the product stream 3 is deflected directly in front of the measuring window 8, which likewise leads to an increased contact pressure on the measuring window 8. This circumstance has an advantageous effect in that the cleaning effect of the measuring window is also improved by the trailing product 3.
- Fig. 3 shows another embodiment.
- the Strö ⁇ ment line is designed as a pneumatic line 23.
- the measurement ⁇ probe 1 and the measurement window 8 are positioned in an area of the pneumatic line 23, in which an incoming Pro ⁇ dukt culinarycardi R 'changes due to the shape of the inner wall 20 of the pneumatic line 23 into an outgoing product conveying direction R, namely in the region of a pipe bend.
- the inner wall 20 is thus in a region of the measurement window 8 is not ge ⁇ rectilinearly, but has in the plane which R is turned ⁇ rising product flow direction and contains the outgoing Artsströ ⁇ flow direction R ', a kink.
- the pneumatic line 23 is flattened in the region of the flat Meßfens ⁇ age 8 and thus also forms a chicane, which leads to an additional back pressure.
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Environmental Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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KR1020127016106A KR20120112477A (ko) | 2009-12-22 | 2009-12-22 | 쏟아질 수 있는 제품들을 측정하는 어셈블리 및 방법 |
BR112012017187A BR112012017187A2 (pt) | 2009-12-22 | 2009-12-22 | disposição e processo para medição de produtos que podem ser lançados |
EP09806023A EP2516996A1 (de) | 2009-12-22 | 2009-12-22 | Anordnung und verfahren zur messung von schüttfähigen produkten |
RU2012131134/28A RU2522127C2 (ru) | 2009-12-22 | 2009-12-22 | Устройство (варианты), способ измерения сыпучих продуктов и применение устройства для измерения сыпучих материалов |
US13/516,515 US20120260743A1 (en) | 2009-12-22 | 2009-12-22 | Assembly and Method for Measuring Pourable Products |
CN2009801631164A CN102686998A (zh) | 2009-12-22 | 2009-12-22 | 测量散装物料的装置和方法 |
JP2012545104A JP2013515248A (ja) | 2009-12-22 | 2009-12-22 | 揺動可能な生成物を測定するための装置及び方法 |
PCT/EP2009/067789 WO2011076265A1 (de) | 2009-12-22 | 2009-12-22 | Anordnung und verfahren zur messung von schüttfähigen produkten |
Applications Claiming Priority (1)
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PCT/EP2009/067789 WO2011076265A1 (de) | 2009-12-22 | 2009-12-22 | Anordnung und verfahren zur messung von schüttfähigen produkten |
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WO2011076265A1 true WO2011076265A1 (de) | 2011-06-30 |
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PCT/EP2009/067789 WO2011076265A1 (de) | 2009-12-22 | 2009-12-22 | Anordnung und verfahren zur messung von schüttfähigen produkten |
Country Status (8)
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US (1) | US20120260743A1 (de) |
EP (1) | EP2516996A1 (de) |
JP (1) | JP2013515248A (de) |
KR (1) | KR20120112477A (de) |
CN (1) | CN102686998A (de) |
BR (1) | BR112012017187A2 (de) |
RU (1) | RU2522127C2 (de) |
WO (1) | WO2011076265A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019114749A1 (de) * | 2019-06-03 | 2020-12-03 | Volkswagen Aktiengesellschaft | Messapparat zum Detektieren von Partikeln für die Verwendung in einem Fahrzeug |
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WO2014080322A1 (en) * | 2012-11-20 | 2014-05-30 | Teknologian Tutkimuskeskus Vtt | An optical sampling apparatus and method for utilizing the sampling apparatus |
JP6288507B2 (ja) * | 2014-05-13 | 2018-03-07 | パナソニックIpマネジメント株式会社 | 食品分析装置 |
US9733193B2 (en) * | 2015-03-12 | 2017-08-15 | Proton Products International Limited | Measurement of industrial products manufactured by extrusion techniques |
CN106473208A (zh) * | 2015-09-02 | 2017-03-08 | 范石军 | 一种用于植物源蛋白质饲料原料的智能分级系统 |
JP6640644B2 (ja) * | 2016-04-15 | 2020-02-05 | 株式会社クボタ | 乾燥機及び乾燥機用分光分析装置 |
JP6977019B2 (ja) * | 2016-04-15 | 2021-12-08 | 株式会社クボタ | 分光分析装置 |
AR107595A1 (es) * | 2017-02-10 | 2018-05-16 | Tecnocientifica S A | Sonda espectrométrica para muestreo de material a granel y calador automático de muestreo que incorpora la sonda |
CN107280049A (zh) * | 2017-07-14 | 2017-10-24 | 湖南伟业动物营养集团股份有限公司 | 一种近红外在线饲料生产系统 |
US11156644B2 (en) | 2019-01-03 | 2021-10-26 | International Business Machines Corporation | In situ probing of a discrete time analog circuit |
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- 2009-12-22 BR BR112012017187A patent/BR112012017187A2/pt not_active IP Right Cessation
- 2009-12-22 CN CN2009801631164A patent/CN102686998A/zh active Pending
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Also Published As
Publication number | Publication date |
---|---|
RU2522127C2 (ru) | 2014-07-10 |
BR112012017187A2 (pt) | 2016-03-22 |
KR20120112477A (ko) | 2012-10-11 |
RU2012131134A (ru) | 2014-01-27 |
EP2516996A1 (de) | 2012-10-31 |
JP2013515248A (ja) | 2013-05-02 |
CN102686998A (zh) | 2012-09-19 |
US20120260743A1 (en) | 2012-10-18 |
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