JP2018078827A - Malt production method and malt production device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a malt production method and a malt production device where variation in quality can be produced upon drying in which the homogenization of malt can be attained while suppressing an increase in equipment cost and a deterioration in maintainability.SOLUTION: A surface layer (90) made of the aggregate of germinated barley is formed on the floor face (34) of a drying chamber (22), the drying of the germinated barley is performed with hot wind fed from the side of the floor face (34) to the surface layer (90), thereafter, a screw conveyor (52) arranged on the floor face (34) is moved toward the bottom layer part (92) of the surface layer (90), the bottom layer part (92) and the surface layer part (91) of the surface layer (90) are collapsed, and they are carried to a prescribed exhaust part (32) while being mixed to carry out the germinated barley from the drying chamber (22).SELECTED DRAWING: Figure 9

Description

  The present invention relates to a method for producing malt having a drying step, and an apparatus for producing malt used therefor.

  As disclosed in Patent Document 1, malt as a main raw material such as beer and sparkling liquor is generally produced through a soaking process, a germination process, a drying process, and a root removal process.

  In the soaking process, barley seeds are soaked in water, and in the germination process, oxygen is supplied to the seeds after soaking by air blowing and stirring at an appropriate temperature. Saccharification enzymes are activated. In the roasting process, the germinated seeds, that is, germinated barley, are heated and dried by being exposed to hot air. As a result, the water content of the malt is reduced, so that the storability is improved, the growth of the roots and buds of the germinated barley and the enzyme reaction in the seeds are stopped, and the color and fragrance peculiar to the malt are generated. . In the root removal step, roots are removed from the germinated barley after roasting.

  In the present specification, “germinated barley” refers to barley seeds having roots through a soaking process and a germination process. The “malt” refers to barley seeds that have been dried through a roasting step and a root removal step and have no roots.

  In a wheat factory, different facilities are usually used for each process. For example, the soaking process is performed in a soaking tank, the germination process is performed in a germination chamber, the roasting process is performed in a roasting chamber (kiln), and the root removal process is performed on germinated barley carried out of the roasting chamber. On the other hand, a root removal device is used. The malt obtained through these steps is stored in a malt silo until it is shipped from the wheat mill.

  By the way, in a roasting process, a hot air may be supplied from the lower side of a floor part with respect to the wheat layer which consists of the aggregate of the germinated barley formed on the floor part of a roasting chamber. In this case, the floor portion is provided with a plurality of ventilation holes, and the germinated barley is dried or roasted by hot air sent from the lower side of the floor portion through the ventilation holes to the drying chamber. The germinated barley that has finished roasting is carried out from a predetermined discharge section provided in the roasting chamber. The discharge part is provided in the center part of a floor part so that opening and closing is possible, for example.

  A screw conveyor may be used as a transport device for transporting germinated barley in the drying chamber to the discharge section. This screw conveyor is arrange | positioned along the surface layer part of a wheat layer with the attitude | position extended in a horizontal direction. As the screw conveyor arranged in this manner is rotated by a motor, the germinated barley constituting the surface layer portion of the wheat layer is conveyed to one end side of the screw conveyor, falls from one end of the screw conveyor, and is discharged. Led to. The screw conveyor conveys the germinated barley while being always moved along the surface layer of the germinated barley. Thereby, the wheat layer in the roasting chamber is gradually scraped off from the upper surface side, and the germinated barley that has been scraped off is sequentially discharged from the roasting chamber.

JP2015-156815A

  When the above-described roasting process is performed, the wheat layer in the roasting chamber that has received hot air from the floor side during roasting is more likely to be heated and dried at a portion closer to the floor surface. Therefore, the quality (such as chromaticity and enzyme activity) of germinated barley at the end of roasting tends to vary depending on the vertical position in the wheat layer. For example, the germinated barley closer to the lower surface of the wheat layer has higher chromaticity and lower enzyme activity.

  In addition, when germinated barley after roasting is carried out sequentially from the upper surface side of the wheat layer by the screw conveyor as described above, the germinated barley having low chromaticity and high enzyme activity is carried out in order, and the root removal step is sequentially performed. It is stored in the malt silo. Therefore, unless some measures are taken regarding stirring or mixing of germinated barley or malt, the malt quality tends to vary depending on the upper and lower positions of the wheat layer in the malt silo, and heterogeneous malt may be shipped. .

  Under such circumstances, a so-called two-floor type roasting equipment having two roasting chambers may be conventionally used. In this case, the germinated barley that has finished roasting in the first roasting chamber is sequentially carried out from the upper surface side of the wheat layer and sequentially supplied to the second roasting chamber, and then the second stage. Is roasted.

  According to such a two-floor type roasting facility, germinated barley located on the upper surface side of the wheat layer in the first roasting chamber is closer to the lower surface side of the wheat layer in the second roasting chamber. Will be located. Therefore, germinated barley having relatively low chromaticity and relatively high enzyme activity at the end of roasting in the first roasting chamber has higher chromaticity due to roasting in the second roasting chamber. Easily and the enzyme activity tends to decrease. In this way, the variation in quality due to the first stage of roasting is offset by the variation in quality due to the second stage of roasting, so that the quality variation of the germinated barley is reduced at the end of the roasting process. can do.

  However, even when a two-bed type roasting equipment is used, for example, depending on the type of malt to be produced, the roasting conditions (hot air) in the first stage roasting and the second stage roasting Humidity, temperature, etc.) may be quite different. For example, in the case of producing dark-colored malt, in the drying in the first roasting chamber, heating is performed exclusively by hot air of high humidity, and substantial drying or roasting is the second roasting. May be done by room roasting.

  In such a case, since the mode of alteration by the first stage of roasting is different from the mode of alteration by the second stage of roasting, there is a possibility that the variation in alteration at each stage cannot be effectively offset. There is. Therefore, even if a two-bed roasting facility is used, the quality variation of germinated barley may not be effectively reduced.

  Therefore, in such a case, in order to effectively realize the homogenization of the malt, the roasting is performed while stirring the germinated barley in the roasting process, or after the completion of the roasting, the germinated barley is stirred. It is considered to carry out mixing or mixing between germinated barley or malt obtained through a separate drying step, or when mixing or mixing these, For this reason, the current situation is that the equipment cost increases and the maintainability decreases.

  For example, in order to effectively stir the germinated barley during the roasting process, the roots grown from the seeds are intertwined with each other, making it difficult to stir or mix the germinated barley. It is necessary to stir while loosening the wheat layer, for example, by repeating the operation of lifting from the top to the top. In order to perform such agitation, for example, an agitation device composed of a plurality of screw conveyors extending in the vertical direction is required, so that the cost of the drying equipment increases and the agitation device needs to be maintained. .

  In addition, in order to agitate the wheat layer at the time of unloading from the drying room, the floor part of the drying room has a double door type door structure, and the floor is opened downward after the completion of the drying process. Although it can be considered that the whole wheat layer is dropped while being folded in a V-shaped cross section, and the whole wheat layer is agitated, it is expensive to construct a drying chamber having such an openable floor structure. In addition, the maintainability deteriorates as the floor structure becomes complicated.

  Furthermore, as a specific aspect of the mixing step of mixing germinated barley or malts obtained through separate roasting steps, a plurality of mixing silos are added to the malt supply path to the malt silo for storage. After the germination barley or malt that has undergone the roasting process is temporarily stored in a plurality of mixing silos, the germination barley or malts carried out from the plurality of mixing silos are mixed together to form a malt silo. It is conceivable to supply In this case, however, the addition of a plurality of mixing silos increases the equipment cost and requires maintenance of the mixing silo.

  Then, this invention makes it a subject to aim at homogenization of malt, suppressing the increase in equipment cost and the fall of maintainability in the manufacturing method and manufacturing apparatus of malt which may produce the dispersion | variation in quality at the time of roasting.

The present invention
A wheat layer forming step of forming a wheat layer composed of an aggregate of germinated barley on the floor surface of the drying room;
A roasting step of roasting the germinated barley with hot air supplied from the floor side to the wheat layer;
After the roasting step, an unloading step of unloading the germinated barley from the roasting chamber,
In the unloading step, the screw conveyor disposed on the floor surface is moved toward the bottom layer portion of the wheat layer, the bottom layer portion and the surface layer portion of the wheat layer are broken, and conveyed to a predetermined discharge portion while mixing them. A method of producing malt is provided.

The present invention also provides:
A floor surface supporting a wheat layer composed of an aggregate of germinated barley;
A roasting device that supplies hot air to the wheat layer from the floor side and performs roasting of the germinated barley,
A screw conveyor that conveys the germinated barley to a predetermined discharge section;
A moving mechanism for moving the screw conveyor;
By the moving mechanism, the screw conveyor arranged on the floor surface is moved toward the bottom layer portion of the wheat layer, the bottom layer portion and the surface layer portion of the wheat layer are broken, and the discharging is performed by the screw conveyor while mixing them. A malt producing apparatus comprising: a screw conveyor and a control unit that controls the moving mechanism so as to convey the malt to a part.

  According to the present invention, when carrying out the germinated barley after roasting, the bottom layer portion and the surface layer portion of the wheat layer are collapsed by the screw conveyor moved toward the bottom layer portion of the wheat layer along the floor surface of the drying chamber. While being done, germinated barley on the floor surface is conveyed to a predetermined discharge section by a screw conveyor. Thereby, the germinated barley which was located near the upper surface of the wheat layer at the time of roasting and the germinated barley which was located near the lower surface of the wheat layer are carried out of the roasting chamber while being mixed on the floor surface. Therefore, even when roasting is performed such that the quality varies depending on the vertical position in the wheat layer, after unloading from the drying chamber, germination barley can be homogenized, A homogeneous malt can be obtained through a subsequent root removal step.

  In addition, since the germinated barley is mixed using a screw conveyor for carrying the germinated barley out of the roasting chamber, a dedicated stirring device for stirring the wheat layer is provided in the roasting chamber, Since it is not necessary to provide a double-spread type floor structure that is stirred by carrying out folding in two, it is possible to suppress an increase in cost of the drying equipment and a decrease in maintainability. Furthermore, since it is not necessary to provide a dedicated mixing facility for mixing germinated barley or malt after unloading from the roasting room, it is possible to suppress an increase in equipment cost and a decrease in maintainability of the barley factory. .

1 is an overall view schematically showing a malt manufacturing apparatus according to an embodiment of the present invention. It is sectional drawing which looked at the inside of a drying room and the germination barley replacement | exchange apparatus from the side. It is the sectional view on the AA line of Drawing 2 which looked at the inside of a drying room, and the germination barley exchange device from the upper part. It is a control system figure relevant to operation | movement of the germination barley replacement | exchange apparatus. It is a time chart which shows the flow of germination barley carrying-out operation | movement which concerns on a comparative example. It is a figure for demonstrating the germination barley carrying-out operation | movement which concerns on a comparative example. It is a time chart which shows the flow of germination barley carrying-out operation | movement which concerns on an Example. It is a figure for demonstrating the flow of the 1st process of the germination barley carrying-out operation | movement which concerns on an Example. It is a figure for demonstrating the 2nd process performed following a 1st process. It is a graph which shows the dispersion | variation in malt chromaticity in an Example and a comparative example. It is a figure for demonstrating the 1st process of germination barley carrying-out operation | movement in other embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[overall structure]
As shown in FIG. 1, the malt production apparatus 1 according to the present embodiment includes a barley tank 2, a germination chamber 4, a drying facility 6, a germination barley bottle 8, a root removal apparatus 10, and a malt silo 12.

  In FIG. 1, the barley tank 2, the germination chamber 4, the roasting equipment 6, the germination barley bottle 8, the root removal device 10 and the malt silo 12 are shown one by one, but a plurality of them may be provided. Good. Moreover, the malt manufacturing apparatus 1 may further include apparatuses or facilities other than the apparatuses or facilities 2, 4, 6, 8, 10, and 12 shown in FIG.

  In the malt manufacturing method using the malt manufacturing apparatus 1, malt is manufactured through at least a soaking process, a germination process, a drying process, and a root removal process.

  In the soaking process, the carefully selected barley seeds are filled in the soaking tank 2 and immersed in water in the soaking tank 2. Thereby, moisture is absorbed by the barley seeds.

  The barley seeds that have been subjected to the soaking process are transferred from the soaking tank 2 to the germination chamber 4 where the germination process is performed. The germination chamber 4 includes a floor portion 5 having a plurality of vent holes. On the floor 5, a wheat layer made of barley seeds carried into the germination chamber 4 is formed.

  In the germination step, air is supplied to the wheat layer on the floor 5 from the lower side of the floor 5 by a blower (not shown). In parallel with the supply of air, the wheat layer is stirred using a stirring device (not shown). As the stirring device, for example, a plurality of screw conveyors extending in the vertical direction (vertical direction) are used, and by these screw conveyors, the operation of lifting barley located at the bottom layer portion of the wheat layer from the bottom to the top is continuous. By carrying out or intermittently, the wheat layer is agitated.

  In the germination step, germination of barley is promoted by supplying oxygen to the barley seeds by the air blowing and stirring. The germination process is continued for several days, and as a result, germinated barley, that is, germinated barley is formed.

  After the germination process, the germinated barley is transferred from the germination chamber 4 to the roasting equipment 6, where the roasting process is performed. As the roasting equipment 6, for example, a two-floor type roasting equipment having a first roasting chamber (first kiln) 21 and a second roasting chamber (second kiln) 22 is used. Stage roasting takes place.

  In the roasting facility 6, the first roasting chamber 21 and the second roasting chamber 22 are provided side by side so that the second roasting chamber 22 is positioned below the first roasting chamber 21. . A plurality of vent holes 36 (see FIGS. 6 and 9) penetrating the floor portion 23 in the vertical direction are provided in each floor portion 23 of the first roasting chamber 21 and the second roasting chamber 22. A first underfloor space 24 is provided below the floor portion 23 of the first drying chamber 21, and a second underfloor space 25 is provided below the floor portion 23 of the second drying chamber 22.

  The germination barley conveyed from the germination chamber 4 is supplied to the first roasting chamber 21 from above, whereby a wheat layer 90 made of an aggregate of germinating barley is formed on the floor 23 of the first roasting chamber 21. Is formed. A first stage of roasting is performed on the wheat layer 90 formed in the first roasting chamber 21.

  Germinated barley that has finished the first stage of roasting in the first roasting chamber 21 is supplied to the second roasting chamber 22 from above via the first underfloor space 24, whereby the second roasting chamber 22 is supplied. A wheat layer 90 is formed on the floor 23 of the drying chamber 22. A second stage of roasting is performed on the wheat layer 90 formed in the second roasting chamber 22.

  The roasting equipment 6 further includes a first blower 26 and a second blower 27 as a roasting device that supplies hot air from the floor 23 side to the wheat layer 90 to roast germinated barley. The first blower 26 is used for the first-stage roasting in the first roasting chamber 21, and the second blower 27 is used for the second-stage roasting in the second roasting chamber 22.

  The first blower 26 takes in hot air heated by passing through an air heating device (not shown), and sends hot air to the first underfloor space 24. This hot air is supplied from the first underfloor space 24 to the wheat layer 90 of the first drying chamber 21 via the vent holes 36 (see FIGS. 6 and 9) of the upper floor 23, thereby Roasting in the first roasting chamber 21 is performed.

  The 2nd air blower 27 takes in the high temperature air heated by passing through an air heating apparatus (not shown), and sends out a hot air to the 2nd underfloor space 25. This hot air is supplied from the second underfloor space 25 to the wheat layer 90 of the second roasting chamber 22 via the vent holes 36 (see FIGS. 6 and 9) of the floor portion 23 above the second floor space 25. Roasting in the second roasting chamber 22 is performed.

  It is preferable that the roasting in the first roasting chamber 21 and the roasting in the second roasting chamber 22 are performed in parallel. In this case, by introducing the high-temperature air used for the roasting in the second roasting chamber 22 to the first blower 26, the exhaust heat generated by the roasting in the second roasting chamber 22 is reduced to the first. It can be used for roasting in the roasting chamber 21.

  The air introduced into the first blower 26 and the second blower 27 is preferably heated in the heat exchanger 20 by the high-temperature air used for the roasting in the first roasting chamber 21. Thereby, the exhaust heat generated by the roasting in the first roasting chamber 21 is recovered and reused for the roasting in the first roasting chamber 21 and the second roasting chamber 22, thereby improving the thermal efficiency. Can be achieved.

  When the germinated barley is heated and dried in the roasting process, the enzymatic reaction of the germinated barley is stopped, the storage of the malt is improved by reducing the water content, and a color and aroma peculiar to malt are generated.

  In the case of producing light-colored malt, usually, the moisture content of germinated barley is mainly reduced by the first roasting chamber 21 and the malt-specific color and scent are generated in the first roasting chamber 21. The drying and the drying in the second drying chamber 22 are responsible. On the other hand, when dark-colored malt is produced, the moisture content of the germinated barley is hardly reduced by the roasting in the first roasting chamber 21, and the starch and protein decomposition reactions by enzymes are carried out by raising the temperature of the germinated barley. Promotes and produces color and scent precursors exclusively. Subsequent roasting in the second roasting chamber 22 is responsible for the reduction of the water content and the generation of the color and scent unique to the malt.

  The amount and temperature of hot air supplied to the first roasting chamber 21 and the second roasting chamber 22 are appropriately set according to the type of malt to be produced, and the first blower 26 and the second blower are accordingly set. Each of the 27 outputs is determined.

  After completing the two-stage roasting in the roasting process, the germinated barley carried out from the second roasting chamber 22 is temporarily stored in the germinating barley bin 8. Thereafter, when the germinated barley is carried out from the germinated barley bin 8, a root removal step is performed. In the root removal step, for example, a screw-type root removal device 10 is used to remove the roots extended from the seeds, thereby obtaining malt.

  After the root removal process, the malt is carefully selected and then carried into the malt silo 12. Thereafter, the malt is stored in the malt silo 12 until it is shipped from the wheat mill.

[Roasting room]
With reference to FIGS. 2 and 3, the configuration relating to the second roasting chamber 22 of the roasting facility 6 will be described. In addition, although the 2nd roasting chamber 22 is demonstrated here, the structure of the 1st roasting chamber 21 is also the same as that of the 2nd roasting chamber 22 fundamentally.

  2 is a cross-sectional view of the inside of the second roasting chamber 22 of the roasting facility 6 as viewed from the side, and FIG. 3 is a cross-sectional view of the inside of the second roasting chamber 22 as viewed from above. It is A sectional view.

  As shown in FIGS. 2 and 3, the second drying chamber 22 includes the floor portion 23, the peripheral wall portion 28, and the ceiling portion 29. The peripheral wall portion 28 of the second drying chamber 22 is, for example, a cylindrical shape, and the floor portion 23 and the ceiling portion 29 are circular according to this. Thus, although the 2nd drying chamber 22 is formed in the cylindrical shape as a whole, the whole shape of the 2nd drying chamber 22 may be various shapes other than a cylindrical shape, for example, a rectangular parallelepiped shape. It may be.

  2 and 3, the symbol X indicates the radial direction of the peripheral wall portion 28, the symbol Y indicates the circumferential direction of the peripheral wall portion 28, and the symbol Z indicates the vertical direction (vertical direction) (the height direction of the peripheral wall portion 28). In the following description, these directions are also simply referred to as “radial direction X”, “circumferential direction Y”, and “vertical direction Z”.

  As shown in FIG. 2, the ceiling portion 29 is provided so as to partition the space between the first underfloor space 24 and the second drying chamber 22 up and down. For example, a circular through hole 30 is provided at the center of the ceiling portion 29.

  The floor 23 shown in FIG. 3 is provided so as to partition the second drying chamber 22 and the second underfloor space 25 (see FIG. 1) vertically. The second drying chamber 22 and the second underfloor space 25 (see FIG. 1) are communicated with each other through the above-described vent hole 36 (see FIGS. 6 and 9) provided in the floor portion 23.

  For example, a rectangular discharge port 32 is provided at the center of the floor 23. The discharge port 32 is provided through the floor 23 in the up-down direction Z. The floor portion 23 is provided with a lid portion 33 for closing the discharge port 32 so as to be opened and closed. The lid 33 is, for example, a slide opening / closing type. The upper surface of the floor portion 23 is a floor surface 34 that supports the wheat layer 90 (see FIGS. 6 and 9). The floor surface 34 is a flat surface and is disposed along a horizontal plane.

  As shown in FIGS. 2 and 3, the peripheral wall portion 28 is provided with a rail 38 extending in the circumferential direction Y along the inner peripheral surface of the peripheral wall portion 28. The rail 38 is provided at a constant height over the entire circumference of the peripheral wall portion 28. As shown in FIG. 2, the rail 38 is formed in a groove shape opened toward the inside in the radial direction X of the peripheral wall portion 28.

[Sprouted barley replacement device]
As shown in FIGS. 2 and 3, the second roasting chamber 22 is provided with a germinating barley replacing device 40 used for carrying in and out the germinating barley in the second roasting chamber 22. In addition, although the structure of the germination barley replacement | exchange apparatus 40 provided in the 2nd roasting chamber 22 is demonstrated here, the same germination barley replacement | exchange apparatus is provided also in the 1st roasting chamber 21 (refer FIG. 1). May be.

  The germinated barley replacing device 40 includes a transport device 50 that transports the germinated barley in the second roasting chamber 22 and a moving mechanism 60 that appropriately moves the transport device 50.

  The conveying device 50 includes a screw conveyor 52 having an axis extending in the horizontal direction, a conveying motor 54 that rotationally drives the screw conveyor 52 around the axis, and a support 56 that supports the screw conveyor 52 and the conveying motor 54. I have.

  The screw conveyor 52 is disposed above the floor surface 34 along the horizontal direction. One end in the length direction of the screw conveyor 52 is disposed above the discharge port 32, and the other end in the length direction of the screw conveyor 52 is disposed above the peripheral edge of the floor surface 34. The screw conveyor 52 is driven to rotate around its axis, thereby conveying germinated barley along the length direction of the screw conveyor 52.

  The conveyance motor 54 is configured to be capable of forward and reverse rotation, and thereby the rotation direction of the screw conveyor 52 can be switched. When the rotation direction of the screw conveyor 52 is reversed, the conveying direction of the germinated barley by the screw conveyor 52 is switched to the opposite direction.

  The support body 56 includes a first support portion 57 that supports one end portion in the length direction of the screw conveyor 52 and a second support portion 58 that supports the other end portion in the length direction of the screw conveyor 52. The support 56 further includes a side wall portion 59 disposed adjacent to the side of the screw conveyor 52. The side wall portion 59 is a long wall portion extending in the length direction of the screw conveyor 52 and connects the first support portion 57 and the second support portion 58.

  The moving mechanism 60 includes a turning shaft portion 62 arranged to extend in the vertical direction Z. The axis of the turning shaft portion 62 is arranged along a direction perpendicular to the floor surface 34. The position of the axis of the turning shaft 62 viewed from the vertical direction Z coincides with the center of the floor surface 34. The turning shaft portion 62 includes a first shaft member 63 and a second shaft member 64.

  The first shaft member 63 is a cylindrical member that extends in the vertical direction Z through the ceiling portion 29. The first shaft member 63 is inserted into the through hole 30 of the ceiling portion 29, and is rotatably supported by the peripheral portion of the through hole 30 via a bearing 61. The second shaft member 64 is, for example, a rectangular tube-shaped member disposed so as to extend in the vertical direction Z in the second roasting chamber 22. The upper end portion of the second shaft member 64 is connected to the lower end portion of the first shaft member 63. The internal space of the second shaft member 64 is in communication with the internal space of the first shaft member 63.

  At the upper end of the first shaft member 63, for example, a funnel-shaped receiving portion 42 is provided. The receiving portion 42 is disposed below the discharge portion (not shown) of the first drying chamber 21 in the first underfloor space 24. The shape of the receiving portion 42 is, for example, an inverted truncated cone shape opened upward. A lower end opening (not shown) communicating with the internal space of the first shaft member 63 is provided at the bottom of the receiving portion 42.

  Thereby, after the germinated barley discharged from the first roasting chamber 21 and falling into the first underfloor space 24 is received by the receiving portion 42, the germinated barley is further freely dropped from the lower end opening of the receiving portion 42, so that the first It is guided to the internal space of the second shaft member 64 via the internal space of the shaft member 63.

  A supply port 44 penetrating the peripheral wall is provided on the peripheral wall of the second shaft member 64. Thereby, the germinated barley guided from the receiving part 42 to the internal space of the second shaft member 64 is discharged from the supply port 44 to the outside of the second shaft member 64 and supplied to the internal space of the second drying chamber 22. Is done.

  The second shaft member 64 is provided with a guide member 46 that guides the germinated barley carried into the second roasting chamber 22 from the supply port 44 to a predetermined position. The guide member 46 is provided so as to be inclined like a slide. The upper end portion of the guide member 46 is connected to the second shaft member 64 so as to receive the germinated barley discharged from the supply port 44 and falling. The lower end portion of the guide member 46 is a free end and is disposed above the screw conveyor 52 of the transport device 50.

  Thereby, the germinated barley carried into the second drying chamber 22 from the supply port 44 slides down along the guide member 46, falls from the lower end portion of the guide member 46, and is supplied to the screw conveyor 52.

  The moving mechanism 60 includes a first arm portion 66 extending outward in the radial direction X from the lower end portion of the turning shaft portion 62, and an outer side in the radial direction X from the lower end portion of the turning shaft portion 62 toward the opposite side of the first arm portion 66. And a second arm portion 67 extending in the vertical direction. The first arm portion 66 is formed longer than the second arm portion 67. The 1st arm part 66 and the 2nd arm part 67 are arrange | positioned so that it may extend in a horizontal direction above the conveying apparatus 50 (refer FIG. 2). The 1st arm part 66 and the 2nd arm part 67 are arrange | positioned on the same straight line in planar view (refer FIG. 3).

  A protruding portion 68 that protrudes upward is provided at the tip of the first arm portion 66. The protrusion 68 is provided with a support wheel 70 that is rotatable about an axis extending in the radial direction X. The support wheel 70 is placed on the upper surface of the rail 38. Thereby, the tip end portion of the first arm portion 66 is supported by the rail 38 via the support wheel 70. The base end portion of the first arm portion 66 is supported by the ceiling portion 29 via the pivot shaft portion 62 and the bearing 61.

  A driving wheel 72 that can rotate around an axis extending in the vertical direction Z and a turning motor 74 that rotationally drives the driving wheel 72 are provided at the distal end of the first arm portion 66. The drive wheel 72 is engaged with the rail 38 so as to roll along the rail 38. The turning motor 74 is supported by the protrusion 68 described above. When the drive wheel 72 rotated by the turning motor 74 rolls along the rail 38, the entire moving mechanism 60 including the first arm portion 66 and the second arm portion 67 turns around the axis of the turning shaft portion 62. To do.

  The moving mechanism 60 further includes a pair of support units 76 and 77 that support the transport device 50. One support unit 76 is provided at a position closer to the distal end portion than the central portion in the length direction of the first arm portion 66, and the other support unit 77 is provided at the second arm portion 67.

  Each of the support units 76 and 77 is provided so as to protrude below the first arm portion 66 and the second arm portion 67. The lower ends of the support units 76 and 77 are connected to the support 56 of the transport device 50. As a result, the moving mechanism 60 suspends and supports the transport device 50 via the pair of support units 76 and 77.

  Each of the support units 76 and 77 has an elevating mechanism 78 made of, for example, a winch. When the lifting mechanism 78 is driven by the lifting actuator 80 (see FIG. 4), the transport device 50 is moved in the vertical direction Z.

  Further, when the moving mechanism 60 turns by driving the turning motor 74 as described above, the transport device 50 supported by the moving mechanism 60 also turns in the circumferential direction Y together with the moving mechanism 60. That is, the transport device 50 can be moved in the circumferential direction Y and the vertical direction Z by the moving mechanism 60.

  In the conveying device 50 supported by the moving mechanism 60 as described above, the screw conveyor 52 is arranged along the radial direction X. Thereby, according to the rotation direction by the conveyance motor 54, the screw conveyor 52 can convey germinated barley along the direction from the inner side of the radial direction X to the outer side or the direction from the outer side of the radial direction X to the inner side. It has become.

  In this embodiment, the screw conveyor 52 of the conveying device 50 functions as a loader that conveys the germinated barley that has been carried in such a manner that the germinated barley is expanded outward in the radial direction X when the germinated barley is carried in, and discharges the germinated barley when the germinated barley is carried out. It functions as an unloader that conveys toward the inside in the radial direction X toward 32.

  However, in this invention, the screw conveyor 52 may be provided as an unloader only for carrying out. In this case, a loader dedicated to loading may be provided separately from the screw conveyor 52 described above, or a loading loader may be omitted.

[Control system]
As shown in FIG. 4, various operations of the germinated barley replacing device 40 (see FIGS. 2 and 3) are controlled by the control device 100. The control device 100 includes a control unit 102 that controls the operations of the transport motor 54, the turning motor 74, and the lifting actuator 80 in the germination barley replacement device 40, and a storage unit that stores various types of information necessary for control by the control unit 102. 104.

  The control unit 102 outputs a control signal to the transport motor 54, the turning motor 74, and the lifting actuator 80 based on a program stored in advance in the storage unit 106. Thereby, the movement of the conveying device 50 in the vertical direction Z and the circumferential direction Y by the moving mechanism 60 and the conveying operation of the germinated barley by the conveying device 50 are controlled.

  Note that detection signals from various sensors that detect various types of information necessary for control by the control unit 102 may be input to the control unit 102, and control based on the detection signals may be performed. Also good.

[Operation of bringing germinated barley into the roasting room]
The operation of the germinated barley replacing device 40 is controlled by the control device 100 as follows during the operation of carrying the germinated barley into the second roasting chamber 22 shown in FIGS. 2 and 3.

  When carrying in of the germinated barley into the second roasting chamber 22 is started, the lift actuator is arranged so that the transport device 50 is arranged in advance at a height position along the floor surface 34 (see FIGS. 6 and 9). 80 is controlled.

  When the germinated barley is put into the second roasting chamber 22 from the supply port 44 described above, the turning motor 74 so that the moving mechanism 60 and the conveying device 50 turn at a predetermined speed in the circumferential direction Y. Is controlled, and the transport motor 54 is controlled so that the germinated barley carried in is transported outward in the radial direction X by the transport device 50.

  The guide member 46 that receives the sprouted barley supplied from the supply port 44 circulates and moves in the circumferential direction Y together with the moving mechanism 60 and the transport device 50, and drops and supplies the sprouted barley toward the screw conveyor 52. The supplied germinated barley is conveyed so as to spread from the inner side to the outer side in the radial direction X. Thereby, on the floor surface 34, the wheat layer 90 (refer FIG.6, FIG.8 and FIG.9) spreads from the one side of the circumferential direction Y to the other side, and extends from the inner side of the radial direction X to the outer side. It is formed.

  When the thickness of the wheat layer 90 is increased by continuing the above operation, the lifting actuator 80 is appropriately controlled so that the conveying device 50 is raised to a height position along the upper surface of the wheat layer 90 accordingly. Is done. Thereby, the operation | movement which spreads germinating barley in the circumferential direction Y and the radial direction X by the conveying apparatus 50 can be performed continuously.

  As described above, while the conveying device 50 is gradually raised according to the thickness of the wheat layer 90, the turning operation of the moving mechanism 60 and the conveying device 50 and the conveying operation of the germinated barley by the conveying device 50 are continued. By performing, the wheat layer 90 having a uniform thickness can be formed.

  After the wheat layer forming step for forming the wheat layer 90 on the floor surface 34 is completed as described above, the roasting step described above is performed. When the roasting process is completed, the germinated barley carry-out operation described below is performed by the germinated barley replacing device 40 as the carry-out process.

[Operation of unloading germinated barley from roasting room]
The operation for carrying out germinated barley from the second roasting chamber 22 will be described in comparison with a comparative example and an example. In both the comparative examples and the examples, the germinated barley carry-out operation is performed in a state where the discharge port 32 of the floor portion 23 is opened.

[Comparative example]
First, a germination barley carrying-out operation according to a comparative example that is generally performed conventionally will be described with reference to the time chart of FIG. 5 and the schematic diagram of FIG.

  6A to 6D are schematic cross-sectional views of the conveying device 50 and the wheat layer 90 as viewed from one side in the length direction of the screw conveyor 52. FIG.

  In the germination barley carrying-out operation according to the comparative example, first, the operation of the transport motor 54 is started at time t1 shown in FIG. 5, and the screw conveyor 52 is rotationally driven in the direction of transporting the germinated barley toward the inside in the radial direction X. However, from time t1 to time t2, the lifting actuator 80 is operated and the transport device 50 is lowered by the lifting mechanism 78.

  Thereby, as shown to Fig.6 (a), the screw conveyor 52 of the conveying apparatus 50 descend | falls to the height immersed in the surface layer part 91 of the wheat layer 90, and the germinated barley located in the surface layer part 91 of the wheat layer 90 is It is conveyed inward in the radial direction X by the screw conveyor 52 and guided to the discharge port 32.

  Further, at time t2 shown in FIG. 5, when the operation of the turning motor 74 is started, the transport device 50 moves the surface layer portion 91 while turning in the circumferential direction Y along the surface layer portion 91 of the wheat layer 90. The germinated barley is conveyed toward the discharge port 32 so as to be scraped off.

  At time t3 shown in FIG. 5, when the transport device 50 completes the turning movement for one round and returns to the first circumferential Y position, the upper surface height of the wheat layer 90 is before the start of carrying out over the entire circumference. It is in a lowered state compared to. In this state, while the operations of the transport motor 54 and the turning motor 74 are continued, the lift actuator 80 is operated from time t3 to time t4 to lower the transport device 50 by a predetermined amount. Thereby, the conveyance apparatus 50 conveys germinated barley toward the discharge port 32 so that the surface layer part 91 of the wheat layer 90 may be scraped off also in the second round turning movement.

  From the third round onward, the same unloading operation of germinated barley is continued while appropriately lowering the transport device 50 in accordance with the lowering of the upper surface height of the wheat layer 90. Thereby, as shown in FIGS. 6 (b), 6 (c) and 6 (d), the germinated barley is sequentially carried out while the wheat layer 90 is gradually scraped from the upper surface side. A total of about 10 laps of the conveying device 50 are performed, and finally, almost all germinated barley is carried out of the second roasting chamber 22.

  However, according to the germination barley carry-out operation of the comparative example described above, the germinated barley in the second roasting chamber 22 is carried out in order from the upper surface side of the wheat layer 90, and therefore near the upper surface of the wheat layer 90 at the time of roasting. If the quality such as chromaticity and enzyme activity differs between the germinated barley that was located near the lower surface of the wheat layer 90 and the germinated barley that was carried out early, There is a problem that the difference in quality generated between the germinated barley that has been carried out increases.

[Example]
On the other hand, the germination barley carrying-out operation according to the embodiment is performed as follows, thereby enabling carrying-out such that quality variation can be reduced.

  The germination barley carry-out operation according to the embodiment will be described with reference to the time chart of FIG. 7 and the schematic diagrams of FIGS.

  FIG. 8A to FIG. 8F and FIG. 9 are schematic cross-sectional views of the conveying device 50 and the wheat layer 90 as viewed from one side in the length direction of the screw conveyor 52.

  In the malt carrying-out operation according to the embodiment, first, an inclined surface 95a (see FIG. 9) is formed on the surface of the wheat layer 90 from time t11 to time t16 shown in FIG. 7, and the lower end portion of the inclined surface 95a is configured. The 1st process which arrange | positions the conveying apparatus 50 to the conveyance position which can convey the malt to perform is performed.

  In the first process, the operation of the transport motor 54 is started at time t11 shown in FIG. 7, and the screw conveyor 52 is rotationally driven in a direction to transport malt inward in the radial direction X, from time t11 to time t16. The transport device 50 is intermittently lowered by the lift mechanism 78 by intermittently operating the lift actuator 80.

  Specifically, first, the lifting actuator 80 is continuously operated from time t11 to time t12 shown in FIG. 7, so that as shown in FIG. The layer 90 descends to a height soaking in the surface layer portion 91. Thereby, the malt located in the portion where the screw conveyor 52 is immersed is conveyed to the inside of the radial direction X by the screw conveyor 52 and guided to the discharge port 32.

  When the operation of the lifting / lowering actuator 80 is stopped at the time t12 shown in FIG. 7 while the rotation of the screw conveyor 52 is continued, the turning motor 74 is operated from the time t12 to the time t13 shown in FIG. Thus, as shown in FIG. 8 (b), the transport device 50 pivots and moves by a predetermined amount in the circumferential direction Y along the surface layer portion 91 of the wheat layer 90. Thereby, malt is conveyed toward the discharge port 32 so that the surface layer portion 91 of the wheat layer 90 is partially scraped off.

  At time t13 shown in FIG. 7, when the operation of the turning motor 74 is stopped in a state where the rotational drive of the screw conveyor 52 is continued, the lifting actuator 80 is operated from time t13 to time t14 shown in FIG. Thus, as shown in FIG. 8C, the conveying device 50 descends by a predetermined amount downward in the vertical direction Z toward the lower surface side of the wheat layer 90 while conveying the malt toward the discharge port 32. .

  When the operation of the elevating actuator 80 is stopped at the time t14 shown in FIG. 7 while the rotational drive of the screw conveyor 52 is continued, the turning motor 74 is operated from the time t14 to the time t15 shown in FIG. Thus, as shown in FIG. 8 (d), the transport device 50 rotates by a predetermined amount in the circumferential direction Y in the wheat layer 90 while transporting the malt toward the discharge port 32.

  Thereafter, in the first process, while the transport of malt toward the discharge port 32 by the transport device 50 is continued, the transport device 50 is lowered in the vertical direction Z (see FIG. 8E) and transported in the circumferential direction Y. The turning movement of the device 50 (see FIG. 8F) is repeated alternately.

  Thus, in the first process, while the malt of the wheat layer 90 is conveyed to the discharge port 32 by the conveying device 50, the conveying device 50 causes the wheat layer 90 to repeat the horizontal movement and the lowering in the circumferential direction Y alternately. From the surface layer portion 91 to the bottom layer portion 92 (see FIG. 9). By such a stepwise lowering, the conveying device 50 is finally lowered to a height position (lowest position) arranged along the floor surface 34.

  As shown in FIG. 8 (f), when the first process is performed, a trough 94 is formed in the wheat layer 90 by scraping a part of the wheat layer 90 by the transfer of the malt by the transfer device 50. The The valley portion 94 is formed so as to extend in the radial direction X (see FIGS. 2 and 3) along the transfer device 50 (particularly, the side wall portion 59). Thereby, the wheat layer 90 has the front wheat layer portion 95 located on the front side in the traveling direction of the turning movement of the transport device 50 and the rear wheat layer portion 96 located on the rear side in the traveling direction across the valley portion 94. It is formed. Further, an inclined surface 95 a constituting the valley portion 94 is formed on the surface of the front wheat layer portion 95.

  In the first process, the swivel movement of the transport device 50 is performed toward the portion constituting the lower end portion of the inclined surface 95 a in the front wheat layer portion 95. Thereby, the front wheat layer part 95 is destroyed along the inclined surface 95a.

  Further, in the first process, when the conveying device 50 is lowered, the portion constituting the bottom of the valley portion 94 in the wheat layer 90 is scraped off so that the depth of the valley portion 94 is increased. The portion 95 is broken along the inclined surface 95a.

  As described above, the swiveling movement and the lowering of the transfer device 50 in the first process cause a phenomenon that the malt falls on the inclined surface 95a of the front wheat layer portion 95 (a phenomenon where the malt collapses diagonally like an avalanche). Done. The malt of the front wheat layer portion 95 thus broken is conveyed toward the discharge port 32 by the screw conveyor 52 while being mixed.

  As described above, in the first process, the malt of the front wheat layer portion 95 is avalanche-dried, and the conveyor 50 is lowered toward the lower surface side of the wheat layer 90 while carrying out the avalanche of malt, It is possible to suppress a large amount of malt from being accumulated on the upper side of the screw conveyor 52. Therefore, it is possible to prevent the rotation of the screw conveyor 52 from being hindered by reducing the load applied to the screw conveyor 52.

  In the first process, the swivel movement (horizontal movement) and the descent of the transport device 50 are alternately repeated, so that the valley portion 94 of the wheat layer 90 has a width in the circumferential direction Y as the depth increases. It will be expanded. Therefore, the inclined surface 95a of the front wheat layer part 95 is always maintained in a gentle state, and thereby, an excessive amount of malt can be prevented from falling on the inclined surface 95a. Therefore, the malted snow can be quickly carried out by the screw conveyor 52.

  At time t <b> 16 illustrated in FIG. 7, the first process is completed by the transport device 50 being lowered to a position along the floor surface 34. At this time, the screw conveyor 52 is disposed on the floor surface 34 with a slight gap. When the first process ends, the second process is performed as follows.

  As shown in FIG. 9, at the end of the first process, that is, at the start of the second process, the bottom of the valley portion 94 of the wheat layer 90 is disposed along the floor surface 34, and The conveyor 52 is disposed at a transport position capable of transporting malt constituting the bottom layer portion 92 of the wheat layer 90, more specifically, the lower end portion of the inclined surface 95a in the front wheat layer portion 95.

  In the second process, the screw conveyor 52 arranged on the floor surface 34 as described above is moved toward the bottom layer portion 92 of the wheat layer 90, thereby causing the bottom layer portion 92 and the surface layer portion 91 of the wheat layer 90 to collapse. Then, sprouted germinated barley is conveyed to the discharge port 32 while being mixed.

  In order to realize carrying out of the germinated barley, in the second process, the turning motor 74 is operated in a state in which the transport motor 54 is operated following the first process. The rotation direction of the turning motor 74 at this time is the same direction as in the first process.

  Thereby, the germination barley which comprises the lower end part of the inclined surface 95a of the front wheat layer part 95 of the wheat layer 90 is radial direction X (FIG. 2) by the conveying apparatus 50 arrange | positioned on the floor surface 34. As shown in FIG. In addition to being transported inward, the transport mechanism 50 is swung in the circumferential direction Y along the floor surface 34 toward the bottom layer portion 92 of the front wheat layer portion 95 by the moving mechanism 60. The bottom layer portion 92 and the surface layer portion 91 of the front wheat layer portion 95 are broken along the inclined surface 95a.

  Due to the collapse of the front wheat layer portion 95, a part of the germinated barley constituting the front wheat layer portion 95 falls down along the inclined surface 95a so as to be guided toward the screw conveyor 52. Thereby, in the bottom layer part 92 of the front wheat layer part 95 in which the screw conveyor 52 is located, the germinated barley that has avalanche along the inclined surface 95a and the germinated barley are located in the bottom layer part 92 before the start of the unloading operation. The sprouted barley is conveyed toward the discharge port 32 by the screw conveyor 52 while being mixed.

  In the second process, the position of the inclined surface 95 a in the circumferential direction Y is displaced in the traveling direction of the transport device 50 as the front wheat layer portion 95 of the wheat layer 90 collapses. Accordingly, the transport position located at the lower end of the inclined surface 95a is similarly displaced.

  Therefore, in the second process, the above-described control device 100 includes the turning movement of the conveyance device 50 by the moving mechanism 60 and the conveyance of the germinated barley by the conveyance device 50 so that the conveyance device 50 moves following the conveyance position. Controlled by.

  For this purpose, the germinated barley that has fallen avalanche along the inclined surface 95a as described above needs to be transported to the discharge port 32 by the transport device 50 without delay. The rotational speeds of the transport motor 54 and the swing motor 74 are controlled so that the transport device 50 is swung at a speed matching the above.

  Thereby, in the 2nd process, since the state where conveyance device 50 has been arranged in the conveyance position is always maintained, operation which carries out germination barley while breaking front wheat layer part 95 can be realized appropriately.

  The turning movement of the transfer device 50 in the second process is performed until the transfer device 50 makes one round and returns to the position at the start of the second process. Thereby, finally, almost all germinated barley is carried out of the second roasting chamber 22. When the first process and the second process are combined, the rotation of the transfer device 50 is performed for a total of one more turn.

  According to the germination barley carrying-out operation according to the above embodiment, the wheat layer 90 is carried out while being collapsed in the second process, so that the roasting step is completed, that is, near the upper surface of the wheat layer 90 at the beginning of the carrying-out step. The germinated barley that has been located and the germinated barley that has been located near the lower surface of the wheat layer 90 are mixed and carried out from the second drying chamber 22. Therefore, regarding the quality such as chromaticity and enzyme activity of germinated barley, the difference between germinated barley located near the upper surface of the wheat layer 90 and germinated barley located near the lower surface of the wheat layer 90 at the end of the roasting process. Even when the germination barley is large, the quality of the germinated barley carried out from the second roasting chamber 22 can be homogenized by carrying out the germination barley while being mixed, and finally a homogeneous malt is obtained. be able to.

  Moreover, since mixing of the above germinated barley can be performed using the screw conveyor 52 conventionally used for carrying out germinated barley from the drying room, the agitation for agitating the wheat layer 90 is performed. Since there is no need to add a device to the second roasting chamber 22 or provide a double-spreading floor structure that can be stirred by folding the wheat layer 90 in two, the cost of the roasting equipment 6 The increase can be suppressed, and a decrease in maintainability can be avoided.

  Furthermore, since it is not necessary to provide a mixing facility for mixing germinated barley or malt after unloading from the roasting facility 6, it is possible to suppress an increase in equipment cost and a decrease in maintainability of the barley factory.

[Measurement of chromaticity of malt]
In the malting factory equipped with the above-described malt production apparatus 1 (see FIG. 1), as the carrying-out process performed after the roasting process, the germinated barley carrying-out operation according to the above-described embodiment and the germinated barley carrying-out operation according to the comparative example The malt carried out from the drying equipment by each carrying out operation was collected, and the chromaticity of the malt was measured.

  In any of the examples and comparative examples, malting, sampling, and measurement of chromaticity were performed under the following conditions.

  The roasting process was performed under the conditions for manufacturing Munich malt, which is a kind of dark-colored malt, using the above-described two-bed roasting facility 6 (see FIG. 1). The germination barley exchange apparatus 40 mentioned above was used for carrying in and carrying out the germination barley in the first roasting chamber 21 and the second roasting chamber 22. About an Example, in each carrying-out process from the 1st roasting chamber 21 and the 2nd roasting chamber 22, the germination barley carrying-out operation | movement of the Example mentioned above is performed, and about the comparative example, the 1st roasting chamber 21 and the 1st In each carrying-out process from 2 roasting room 22, germination barley carrying-out operation of the comparative example mentioned above was performed.

  Sampling of the germinated barley carried out from the roasting equipment 6 was performed over time by being divided into a plurality of times. For each sampling, a congested wort was produced using the collected germinated barley, and the chromaticity of the congested wort was measured.

  In FIG. 10, the measurement result of the chromaticity in an Example and a comparative example is shown. In FIG. 10, the code | symbol P shows transition of the chromaticity accompanying the progress of carrying out from the roasting equipment 6 by the germination barley carrying-out operation | movement which concerns on an Example, and the code | symbol Q is roasting by the germination barley carrying-out operation which concerns on a comparative example. The change of chromaticity with the progress of carrying out from the facility 6 is shown.

  As indicated by the symbol Q in FIG. 10, the chromaticity in the comparative example was 5 to 68 ° EBC, and the standard deviation was 30.8. In contrast, the chromaticity in the examples was 10 to 32 ° EBC, and the standard deviation was 5.3. Thus, in the Example, it has confirmed that the dispersion | variation in chromaticity was reduced to about 1/6 compared with the comparative example.

  In addition, as shown by reference sign Q in FIG. 10, in the comparative example, the germination barley that is carried out earlier from the roasting equipment 6 has a lower chromaticity of malt, and the germination barley that is carried out later has a higher chromaticity of malt. It was confirmed that there was a tendency. As a result of roasting in the second roasting chamber 22, the germination barley closer to the upper surface of the wheat layer 90 has a lower chromaticity, and the germination barley closer to the upper surface of the wheat layer 90 is sequentially carried out. Is considered to be the cause.

  On the other hand, as shown by reference numeral P in FIG. 10, the chromaticity of the malt in the example is slightly lower in the initial and final stages of carrying out, but it is confirmed that a substantially uniform chromaticity is obtained as a whole. did it.

  While the present invention has been described with reference to the above-described embodiments, the present invention is not limited to the above-described embodiments.

  For example, in the first process in the germination barley carry-out operation according to the above-described embodiment, an example in which the operation of alternately rotating and moving (horizontal movement) and lowering of the conveying device 50 is continuously repeated has been described. May be repeated intermittently. Further, in the first process, instead of the operation of alternately rotating and moving (horizontal movement) and lowering of the conveying device 50, the conveying device 50 is moved obliquely downward by simultaneously performing the rotating and moving (horizontal movement) and lowering of the conveying device 50. An operation of moving 50 may be performed. In this case, the operation may be performed continuously from start to finish until the screw conveyor 52 is moved from the surface layer portion 91 to the bottom layer portion 92 of the wheat layer 90, or may be performed intermittently.

  Furthermore, in the germination barley carrying-out operation according to the above-described embodiment, an example in which the conveying device 50 positioned above the wheat layer 90 at the end of the roasting process is plunged into the wheat layer 90 and lowered during the carrying-out process. However, as illustrated in FIG. 11A, the transport device 50 may be disposed on the floor surface 34 in a state of being buried in the wheat layer 90 from the start of the unloading process. In this case, the conveying device 50 may be arranged on the floor surface 34 at least before the wheat layer 90 is formed on the floor surface 34.

  Moreover, when the screw conveyor 52 of the conveying apparatus 50 is used exclusively for carrying out germinated barley, the screw conveyor 52 may be installed in the drying chamber so as to be always disposed on the floor surface 34.

  As shown in FIG. 11A, when carrying out the first process of the unloading process with the conveying device 50 buried in the wheat layer 90, for example, as shown in FIG. By rotating and driving the screw conveyor 52, the germinated barley of the wheat layer 90 is sequentially conveyed to the discharge port 32 by the screw conveyor 52, whereby the wheat layer 90 is broken above the screw conveyor 52. As a result, for example, as shown in FIG. 11C, a valley portion 94, a front wheat layer portion 95, and a rear wheat layer portion 96 similar to those in the above-described embodiment (see FIG. 9) are formed in the wheat layer 90. Therefore, in this state, the second process similar to the above-described embodiment can be performed.

  In the above-described embodiment, the example in which the screw conveyor 52 pivots in the circumferential direction Y on the circular floor surface in the unloading process has been described. However, in the present invention, the moving direction of the screw conveyor in the unloading process is the floor. As long as it is the moving direction along the surface, it is not particularly limited. For example, in the present invention, on the rectangular floor surface, the screw conveyor may be translated along a horizontal direction parallel to the long side or the short side of the floor surface.

  Furthermore, in the above-described embodiment, a configuration in which two-stage roasting is performed using a two-floor type roasting equipment has been described as an example, but the present invention provides one-stage roasting using one roasting chamber. It is also applicable when performing the above. Moreover, in this invention, the kind of malt manufactured is not ask | required.

DESCRIPTION OF SYMBOLS 1 Malt production device 2 Barley tank 4 Germination chamber 6 Roasting equipment 8 Germination barley bottle 10 Rooting device 12 Malt silo 21 First roasting chamber 22 Second roasting chamber 23 Floor portion 26 First blower 27 Second blower 28 Peripheral wall part 29 Ceiling part 32 Discharge port (discharge part)
33 Lid 34 Floor 38 Rail 40 Germination Barley Replacement Device 50 Conveying Device 52 Screw Conveyor 54 Conveying Motor 60 Moving Mechanism 61 Bearing 62 Revolving Shaft 66 First Arm 67 67 Second Arm 70 Support Wheel 72 Drive Wheel 74 Swing Motor 76, 77 Support unit 78 Elevating mechanism 80 Elevating actuator 90 Wheat layer 91 Surface layer unit 92 Bottom layer unit 100 Control device 102 Control unit 104 Storage unit

Claims (7)

A wheat layer forming step of forming a wheat layer composed of an aggregate of germinated barley on the floor surface of the drying room;
A roasting step of roasting the germinated barley with hot air supplied from the floor side to the wheat layer;
After the roasting step, an unloading step of unloading the germinated barley from the roasting chamber,
In the unloading step, the screw conveyor disposed on the floor surface is moved toward the bottom layer portion of the wheat layer, the bottom layer portion and the surface layer portion of the wheat layer are broken, and conveyed to a predetermined discharge portion while mixing them. The manufacturing method of the malt characterized by doing. The unloading step
A first process of forming an inclined surface on the surface of the wheat layer and arranging the screw conveyor at a transfer position capable of transferring germinated barley constituting the lower end of the inclined surface;
After the first process, germination on the floor surface by the screw conveyor while moving the screw conveyor along the floor surface so that the bottom layer portion and the surface layer portion of the wheat layer collapse along the inclined surface. The malt manufacturing method according to claim 1, further comprising: a second process of conveying barley to the discharge unit.   3. The method for producing malt according to claim 2, wherein in the second process, the screw conveyor is moved so as to follow the transport position that is displaced as the wheat layer collapses.   In the first process, the screw conveyor moves the screw conveyor from the surface layer portion to the bottom layer portion of the wheat layer while conveying the germinated barley of the wheat layer to the discharge portion by the screw conveyor. The method for producing malt according to claim 2 or 3, wherein a portion is formed in the wheat layer.   In the first process, the screw conveyor is moved from a surface layer portion to a bottom layer portion of the wheat layer while performing an operation of performing horizontal movement and lowering in a predetermined direction simultaneously or alternately. Item 5. A method for producing malt according to Item 4.   The malt production method according to any one of claims 1 to 5, wherein in the unloading step, the screw conveyor is swung around an axis perpendicular to the floor surface. A floor surface supporting a wheat layer composed of an aggregate of germinated barley;
A roasting device that supplies hot air to the wheat layer from the floor side and performs roasting of the germinated barley,
A screw conveyor that conveys the germinated barley to a predetermined discharge section;
A moving mechanism for moving the screw conveyor;
By the moving mechanism, the screw conveyor arranged on the floor surface is moved toward the bottom layer portion of the wheat layer, the bottom layer portion and the surface layer portion of the wheat layer are broken, and the discharging is performed by the screw conveyor while mixing them. A malt manufacturing apparatus, comprising: a control unit that controls the screw conveyor and the moving mechanism so as to be conveyed to a unit.

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