JP2005117985A - Wash-free rice producing equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide wash-free rice producing equipment intended for reconciling making cheap and making compact while properly supplying rice grains from a coating device to a drying device. <P>SOLUTION: The equipment is set with a coating material solution producing device D producing a coating material solution obtained by melting a coating material in water, a coating device 2 attaching the coating material solution produced by the coating material solution producing device D to grains from which all or almost all of aleurone layers are removed, and a drying device 3 drying the coating material solution attached to the rice grains by the coating device 2 to form coat on the surface of the rice grain. The coating device 2 overlaps the dry device 3 in a part where the rice grain discharge port 65 of a cylindrical stirring chamber 61 lying sideways when viewed in a plane is situated. The part of a side where the rice grain receiving port 64 of the stirring chamber 61 is situated is set above the drying device 3 in a condition of projecting in the transverse direction of the drying device 3. The coating material solution producing device D is arranged below the part projecting from the drying device 3 in the stirring chamber 61 to the transverse direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

The present invention includes a coating material solution generating device that generates a coating material solution in which a coating material is dissolved in water;
A coating apparatus for attaching the coating material solution generated by the coating material solution generating apparatus to the rice grains from which all or most of the paste powder layer has been removed;
A drying device for drying the coating material solution adhering to the rice grains with the coating device to form a film on the surface of the rice grains; and
The coating device is provided in a cylindrical stirring chamber in a sideways posture, and the rice grains received in the stirring chamber from the rice grain receiving port are transported in the longitudinal direction of the stirring chamber to the outside of the stirring chamber through the rice grain discharge port. And a washing-free rice production facility comprising a coating material supply port for supplying the coating material solution generated by the coating material solution generator into the stirring chamber.

Such washing-free rice production equipment is for producing washing-free rice by forming a coating covering the surface of the rice grain by attaching the coating solution to the rice grain from which all or most of the paste layer has been removed and drying it. is there.
In such washing-free rice production equipment, conventionally, as the drying device, the rice grains received from the one end side to the inside of the horizontal cylinder by vibrating the horizontal cylinder in a laterally inclined posture provided with a perforated plate at the upper and lower intermediate positions Is configured in a vibrating conveyor type so that drying air is blown into the horizontal cylinder while being conveyed in the longitudinal direction of the horizontal cylinder toward the other end on the porous plate, and the coating device is viewed in plan view. In the state where the longitudinal direction of the stirring chamber of the coating apparatus is aligned with the longitudinal direction of the horizontal cylinder of the drying apparatus, the entire length of the stirring chamber of the coating apparatus overlaps with the drying apparatus. Was provided.
And the rice grain dropped and discharged from the rice grain discharge port of the stirring chamber of the coating apparatus is received in the horizontal cylinder of the drying apparatus, and the coating material solution adhering to the rice grain is dried (for example, see Patent Document 1). .)
Although this patent document 1 does not describe the coating material solution generating device, the coating material solution generating device is provided next to the coating device or the drying device as long as the coating device and the drying device are arranged as described above. It is thought that it will be placed sideways.

JP-A-9-181

  Conventionally, as described above, the coating device is provided above the drying device so that the entire length of the stirring chamber in the plan view overlaps with the drying device, so that the coating device is discharged from the rice grain outlet of the stirring chamber and falls. By accepting the rice grains as they are in the drying device, it becomes possible to receive the rice grains in the drying device while suppressing the adhesion state of the coating material solution from being impaired, and the rice grains are properly supplied from the coating device to the drying device. However, as described below, there has been a problem that it is impossible to achieve both cost reduction and compactness of the washing-free rice production facility.

That is, since the coating device is provided above the drying device so that the entire length of the stirring chamber in the plan view overlaps with the drying device, the support structure for supporting the coating device rises from the side of the drying device. Therefore, the support structure needs to be enlarged and the structure becomes complicated.
In addition, since the actuator for driving the stirring and conveying means is easily affected by the heat from the drying device on the lower side, a heat insulating structure for insulating the actuator from the heat of the drying device is required.
Therefore, the support structure of the coating apparatus becomes larger and complicated, and the heat insulation structure of the actuator of the stirring and conveying means is required, so that the washing-free rice production facility is increased.

In addition, since the coating material solution generating device is disposed on the side of the coating device or the drying device, a space occupied by the coating material solution generating device in a plan view is required, and it is difficult to reduce the size of the washing-free rice production facility. was there.
Incidentally, it is envisaged that the coating material solution generating device is arranged above or below the coating device and the drying device arranged in the vertical direction. In this case, the height of the washing-free rice production facility becomes high, and the washing-free rice production facility Will become larger.

  The present invention has been made in view of such circumstances, and the purpose of the present invention is to wash-free rice that can achieve both cost reduction and downsizing while properly supplying rice grains from the coating apparatus to the drying apparatus. It is to provide manufacturing equipment.

The washing-free rice production facility of the present invention includes a coating material solution generating device that generates a coating material solution in which the coating material is dissolved in water,
A coating apparatus for attaching the coating material solution generated by the coating material solution generating apparatus to the rice grains from which all or most of the paste powder layer has been removed;
A drying device for drying the coating material solution adhering to the rice grains with the coating device to form a film on the surface of the rice grains; and
The coating device is provided in a cylindrical stirring chamber in a sideways posture, and the rice grains received in the stirring chamber from the rice grain receiving port are transported in the longitudinal direction of the stirring chamber to the outside of the stirring chamber through the rice grain discharge port. And a stirring material conveying means for discharging the coating material, and a coating material supply port for supplying the coating material solution generated by the coating material solution generating device into the stirring chamber,
In the first characteristic configuration, the coating device has a plan view, a portion where the rice grain discharge port of the stirring chamber is located overlaps with the drying device, and a portion on the side where the rice grain receiving port of the stirring chamber is located In a state protruding in the lateral direction of the drying device, provided above the drying device,
The coating material solution generating device is characterized in that it is disposed below a portion of the stirring chamber that protrudes laterally from the drying device.

  That is, as an arrangement form of the coating device and the drying device, the portion of the coating device on the side where the rice grain discharge port of the stirring chamber is overlapped with the drying device and the rice grain receiving port of the stirring chamber is located in plan view. In the state of protruding in the lateral direction of the drying device, the rice grain discharge port of the stirring chamber overlaps directly above the rice grain receiving portion of the drying device in plan view by adopting an arrangement form provided above the drying device. Thus, the rice grains dropped and discharged from the rice grain outlet of the stirring chamber can be directly received in the drying apparatus, so that the rice grains can be transferred to the drying apparatus while preventing the adhesion state of the coating material solution from being impaired. It becomes possible to accept, and it becomes possible to appropriately supply rice grains from the coating apparatus to the drying apparatus.

In addition, as a support structure for supporting the coating apparatus, it is possible to support a part protruding in the lateral direction from the drying apparatus in the stirring chamber, so that it is merely provided with a part that rises laterally of the drying apparatus. A portion protruding above the drying device can be made unnecessary, and the support structure of the coating device can be reduced in size and simplified.
In addition, since the actuator for driving the agitating / conveying means can be provided in a portion protruding in the lateral direction from the drying device in the agitating chamber, the agitating / conveying means is hardly affected by the heat from the drying device. It becomes possible to simplify or eliminate the heat insulating structure for insulating the actuator from the heat of the drying apparatus.
Therefore, it is possible to reduce the size and simplification of the support structure of the coating apparatus, and to simplify or eliminate the heat insulation structure of the actuator of the stirring and conveying means, thereby reducing the cost of the washing-free rice production equipment. It becomes possible to plan.

In addition, by adopting the arrangement form of the coating apparatus and the drying apparatus as described above, an empty space is formed below the portion projecting laterally from the drying apparatus in the stirring chamber. By disposing the covering material solution generating apparatus using the empty space, it is possible to reduce the size and height of the washingless rice production facility in plan view.
In short, it has become possible to provide washing-free rice production equipment that can achieve both cost reduction and compactness while properly supplying rice grains from the coating apparatus to the drying apparatus.

In addition to the first feature configuration, the second feature configuration is
The covering material solution generating device and the covering device are provided so as to be movable separately from each other between a storage position and a maintenance position laterally separated from the storage position.

That is, when maintenance of the coating material solution generating apparatus is performed, the coating material solution generating apparatus is moved from the storage position to the maintenance position while the coating apparatus is positioned at the storage position, and maintenance of the coating apparatus is performed. Is performed by moving the coating apparatus from the storage position to the maintenance position with the coating material solution generating apparatus positioned at the storage position.
In other words, the covering material solution generating device and the covering device are arranged so that the covering material solution generating device is disposed below the portion protruding in the lateral direction from the drying device in the stirring chamber of the covering device so as to be compact. Can be moved separately between the storage position and the maintenance position, so that when performing the maintenance of the coating material solution generating device, the coating material solution generating device is moved from the storage position with the coating device positioned at the storage position. When moving to the maintenance position and performing the maintenance of the coating device, the coating material solution generating device is positioned at the storage position, and the coating device is moved from the storage position to the maintenance position. It is possible to secure a wide working space for
Therefore, while making it possible to make the washing-free rice production facility more compact, it has become possible to reduce the burden on the maintenance work of the coating material solution generating apparatus and the coating apparatus.

In addition to the first or second feature configuration, the third feature configuration is
The rice grain discharge port is long and long in the rice grain conveyance direction, and an elongated discharge port portion whose opening width in the direction along the circumferential direction of the peripheral wall of the stirring chamber becomes wider toward the lower side of the rice grain conveyance direction, and A terminal discharge port portion that is continuous with the lower end of the long grain discharge port portion in the rice grain conveyance direction and has a wider opening width in the direction along the circumferential direction than the long grain discharge port portion at the end of the rice grain conveyance direction. In a state comprising, formed on the lower side of the peripheral wall,
The drying device receives and places the rice grains falling from the rice grain discharge port, and a drying unit that dries the coating material solution attached to the rice grains placed and conveyed by the loading and conveying unit. It is characterized by comprising.

That is, the rice grains are moved in the rice grain transport direction from the long discharge port that is long in the rice grain transport direction and the opening width in the direction along the circumferential direction of the peripheral wall of the stirring chamber becomes wider toward the lower side in the rice grain transport direction. The rice grains that are discharged in a state in which variation in the discharge amount in the direction along the direction is suppressed and are not discharged from the long discharge port portion have an opening width in the direction along the circumferential direction of the long discharge port portion. It is easily discharged from the end discharge port wider than the end of the rice grain conveying direction.
And the rice grain discharged | emitted in the state in which the dispersion | variation in the discharge amount in the direction along a rice grain conveyance direction from the rice grain discharge port was suppressed fell on a mounting conveyance part, and height is low in the mounting conveyance part. At the same time, the rice grains are placed and transported in a state where the height variation becomes small, and the rice grains placed and transported in that way are dried by a drying means.

  In other words, by drying the rice grains to which the coating material solution is adhered in the coating apparatus while being placed and transported in the placing and transporting section, it becomes easy to sufficiently secure the drying time, and can be properly dried. Although it is possible, in order to dry more appropriately, the height of the rice grains placed and transported in the placing and transporting section is lowered by discharging uniformly from the rice grain discharge port to the placing and transporting section over a wide range. In addition, it is preferable to reduce the variation in height.

Therefore, as the rice grain outlet, it is described below by comprising a long outlet part as described above and a terminal outlet part connected to the lower end of the long outlet part in the rice grain conveying direction. Thus, while preventing the stirring chamber from being clogged with rice grains, the rice grains can be discharged evenly over a wide range along the rice grain conveying direction.
In other words, the rice grains conveyed by the agitating and conveying means are discharged from the long discharge port extending in the rice particle transfer direction, so that the rice grains conveyed above the long discharge port are transferred to the rice grains. On the other hand, the length of the elongated discharge port portion becomes smaller toward the lower side of the rice grain conveying direction, and the lower side of the rice grain conveying direction becomes easier to be discharged. Therefore, the rice grains are uniformly discharged in the rice grain conveyance direction from the elongated discharge port portion in a state in which the variation in the discharge amount in the direction along the rice grain conveyance direction is suppressed.
Since the opening width in the direction along the circumferential direction of the end discharge port portion is wider than the end of the long discharge port portion in the rice grain conveying direction, the end discharge port portion is discharged from the long discharge port portion. It is possible to easily discharge the rice grains that have passed through the long discharge port portion from the terminal discharge port portion, and to prevent the stirring chamber from being clogged with the rice particles.
Therefore, the rice grains can be discharged from the coating apparatus so that the drying apparatus can perform the drying process more appropriately while preventing the clogging of the stirring chamber.

In addition to the third feature configuration, the fourth feature configuration is
The above-described placement conveyance unit is configured to drop and discharge downward after the rice grains supplied from above are placed and conveyed from above by a circular porous body that is rotationally driven around the vertical axis,
A plurality of mounting and conveying sections are characterized in that they are arranged side by side in the vertical direction in such a manner that the lower grains receive rice grains dropped and discharged from the upper one.

That is, the rice grains to which the coating material solution is adhered are placed and transported on the porous body that is rotationally driven around the vertical axis by the respective placing and transporting units, and the bottommost part from the uppermost placing and transporting part. In the process in which the rice grains are placed and transported in each placing and transporting section, and transferred between the placing and transporting sections, the coating material solution adhering to the rice grains is dried by the drying means. Dried.
That is, a plurality of mounting and transporting units are arranged side by side in the vertical direction in a form that the lower side receives rice grains dropped and discharged from the upper one, while the rice grains are placed and transported by each mounting and transporting unit, To transfer the coating material solution attached to the rice grains appropriately by transferring from the uppermost loading and conveying section to the lowermost loading and conveying section and drying in the process. In addition, it is possible to reduce the installation space of the drying apparatus while ensuring a sufficiently long conveyance path for placing and conveying rice grains for drying.
Incidentally, it is preferable that the drying means is configured such that the drying air is passed through the porous body of each mounting and conveying unit so that the drying process can be performed more efficiently.
Accordingly, it is possible to reduce the installation space of the washing-free rice production facility as a whole by narrowing the installation space of the drying apparatus while allowing the drying process to be performed more appropriately.

In addition to the fourth feature configuration, the fifth feature configuration includes:
The drying device is configured by storing the plurality of placement conveyance units arranged in the vertical direction in a cylindrical or substantially cylindrical drying device casing,
A coating material storage tank for storing a coating material supplied to the coating material solution generating device is disposed between the drying device casing and the coating material solution generating device located on the lateral side thereof. Features.

That is, when a plurality of mounting and conveying sections arranged in the vertical direction are housed in a cylindrical or substantially cylindrical drying device casing, and the covering material solution generating device is disposed on the side of the drying device casing, Even if the drying device casing and the covering material solution generating device are arranged close to each other, the outer surface of the cylindrical or substantially cylindrical drying device casing and the covering material solution generating device facing the outer surface are arranged. Since a vacant space is formed between the side of the vacant space, a space can be effectively utilized to further reduce the size by providing a covering material storage tank in the vacant space. it can.
Accordingly, the washing-free rice production facility can be made more compact.

In addition to any of the first to fifth feature configurations described above, the sixth feature configuration is
On the lateral side of the drying device, a control unit for controlling operation and the coating material solution generation device are provided side by side in a direction orthogonal to the alignment direction of the drying device and the coating material solution generation device. It is characterized by.

That is, by providing the control unit and the coating material solution generating device side by side in the direction orthogonal to the alignment direction of the drying device and the coating material solution generating device, the moisture in the coating material solution generating device is It is possible to reduce the size of the washing-free rice production facility in a plan view while arranging the portion that may leak to the outside and the control unit as far as possible.
That is, since the coating material solution generating apparatus handles water, the coating material solution generating apparatus has a portion where moisture (water or steam) may leak to the outside.
In the case where the control unit is placed close to a portion where moisture in the coating material solution generating apparatus may leak to the outside, a moisture-proof configuration is provided as a moisture-proof configuration for preventing moisture from entering the control unit. Since it is necessary to make the performance high and the moisture-proof structure becomes complicated, the washing-free rice production equipment will rise.
Therefore, if the control unit is separated from the portion where moisture in the coating material solution generating apparatus may leak to the outside, the moisture-proof configuration can be achieved while appropriately preventing moisture from entering the control unit. The moisture-proof performance can be lowered and the moisture-proof configuration can be simplified, so that the cost of the washing-free rice production facility can be reduced.
Incidentally, if the drying device, the coating material solution generating device, and the control unit are arranged in a horizontal row, the size of the washing-free rice production facility in a plan view is increased, which is not preferable for achieving compactness.
Accordingly, it has become possible to further reduce the size and cost of washing-free rice production equipment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Wash-free rice production equipment is to produce wash-free rice by forming a film covering the surface of the rice grain by adding and attaching a starch solution as a coating solution to the rice grain from which all or most of the paste powder layer has been removed. When the structure is roughly divided, as shown in FIG. 1, the washing-free rice production department A for producing washing-free rice, the inspection, packaging, etc. of washing-free rice produced in the washing-free rice production department A It consists of a post-processing unit B to be performed and a control unit C with a display operation panel for controlling the operation of each part of the equipment under preset operating conditions.

First, the structure of the non-washed rice production unit A will be described.
This washing-free rice production part A includes a coating material solution generator D that generates a starch solution in which starch as a coating material is dissolved in water as a coating material solution in which the coating material is dissolved in water, and after the rice milling process is completed. The polishing apparatus 1 for performing the polishing process for removing all or most of the paste powder layer of the rice grains (milled rice), and the covering material applied to the rice grains from which all or most of the paste powder layer has been removed by the polishing apparatus 1 A coating apparatus 2 for attaching the starch solution generated by the solution generation apparatus D, a drying apparatus 3 for drying the starch solution attached to the rice grains by the coating apparatus 2 to form a film on the surface of the rice grains, etc. It is.

Further, the washing-free rice production unit A includes a lifting transporter 4 that lifts and transports the rice grains after the milling process is finished, and a rice milling tank 5 that stores the rice grains that are lifted and transported by the lifting transporter 4. The rice grains stored in the milled rice tank 5 are dropped and supplied to the polishing apparatus 1.
Further, a polished rice tank 6 is provided for storing the rice grains that have been subjected to the rice polishing process by the polishing apparatus 1 so that the rice grains stored in the polished rice tank 6 are dropped and supplied to the coating apparatus 2. It has become.
In addition, an air transport device 7 is provided for air transporting the rice grains that have been dried with the starch solution to the post-processing section B.

The configuration of the post-processing unit B will be described.
This post-processing part B removes the crushed grains and small-diameter foreign substances in the rice grain group conveyed by the air conveying apparatus 7 and the rice grains subjected to the foreign substance removal processing by the foreign substance removing apparatus 8. The defective product is removed by the defective product removing apparatus 10 that removes defective grains such as colored grains and waste rice from the rice grain tank 9 that is temporarily stored, the rice grains that are dropped and supplied from the rice grain tank 9, and the defective product removing apparatus 10. A metal detector 12 that inspects the presence or absence of metal contaminants for rice grains that are air-conveyed by the air conveying device 11, and a measuring tank 13 that measures and discharges the rice grains inspected by the metal detector 12 by a predetermined amount. , A packaging device 14 for packaging rice grains discharged from the measuring tank 13 by a predetermined amount in a packaging bag is provided.

Next, each part of the non-washed rice production department A will be described.
The coating material solution generator D has a kneading part D1 for kneading starch and water, and a high temperature (about 110 ° C.) starch solution by spraying high temperature steam on the kneaded material kneaded in the kneading part D1. And a solution generator D2.
In other words, the kneading unit D1 includes a coating material storage tank 21 for storing solid powdery starch, starch supplied from the coating material storage tank 21 by a screw feeder 22, and tap water supplied through a water supply channel 23. And kneading tank 24 which is stored in a mixed state, a stirrer 25 for kneading starch and water in kneading tank 24, and the like.

The kneading tank 24 is configured as a tank having a shape in which the upper side is largely opened, and is configured to be easily cleaned.
The stirring device 25 includes a stirring blade 26 provided in the kneading tank 24 and an electric motor 27 that rotates the stirring blade 26. The water supply passage 23 is provided with a flow meter 28 for measuring the flow rate of the supplied water and an opening / closing valve 29 for intermittently connecting the flow.

  The kneaded product of starch and water kneaded in the kneading tank 24 is configured to be supplied to the high temperature solution generating part D2 through the flow-down supply path 30 connected to the bottom of the tank. The flow-down supply path 30 is provided with an on-off valve 31 that interrupts the flow.

The high-temperature solution generation unit D2 is provided below the kneading tank 24, and a kneaded product of starch and water is supplied from the kneading tank 24 through the flow-down supply path 30 to the coating material solution storage tank 32. A boiler 34 for supplying steam for heating through the steam supply path 33 to the coating material solution storage tank 32, and a high temperature starch solution in the coating material solution storage tank 32 through the coating material solution supply path 35. 2 is provided with a delivery pump 36 and the like to be supplied to 2.
The covering material solution storage tank 32 is configured as a tank having a shape in which the upper side is largely opened, and is configured to be easily cleaned.

The high temperature solution generator D2 is further provided with a water softener 37 for preparing tap water supplied to the boiler 34 into soft water, and a water storage tank 38 for storing water prepared by the water softener 37.
Further, an ejection nozzle 39 for ejecting high-temperature steam from the steam supply path 33 into the coating material solution storage tank 32 is provided, and high-temperature steam generated by the boiler 34 is applied from the ejection nozzle 39 to the coating. The material solution storage tank 32 is ejected.
The steam supply path 33 is provided with a flow rate adjusting valve 40 that can change and adjust the amount of steam supplied to the coating material solution storage tank 32.

  And in the said coating material solution storage tank 32, the knead | mixed material of starch and water is heated by the high temperature thermal energy of a vapor | steam by jetting a high temperature steam from the said ejection nozzle 39, and becomes a high temperature starch solution. The starch will be dissolved and gelatinized. At this time, the kneaded product is heated not only by heating with high-temperature steam but also by heat of the high-temperature starch solution.

  The covering material solution supply path 35 is provided with an on-off valve 41 for intermittently supplying the starch solution to the coating apparatus 2 and a flow meter 42 for measuring the flow rate of the starch solution.

Although the detailed configuration of the rice polishing apparatus 1 is not described in detail, as shown in FIGS. 3 to 5, the receiving hopper 1a that receives rice grains supplied from the rice milling tank 5 through the discharge chute 43 and the receiving hopper 1a Is also provided with a discharge chute 1b for discharging the polished rice grains, a rotating roll provided with a brush around it and rotating about the longitudinal axis, and a porous cylinder positioned on the outer periphery thereof. The rice grains received in the receiving hopper 1a between the members are moved upward, and the rice cake remaining on the surface of the rice grains, i.e., most or most of the paste powder layer, is removed by a brush and polished. The processed rice grain is dropped and discharged through the discharge chute 1b. That is, as the polishing apparatus 1, an upper transfer type apparatus is used in which the rice grains are polished while being transferred upward.
In addition, by the suction action of a suction fan (not shown), the outside air sucked through the intake duct 50 through the intake port 48 for the rice polishing apparatus is ventilated so as to pass between the porous cylindrical member and the rotary roll. The rice grains are cooled and the removed straw is discharged.

  The polishing apparatus 1 is provided with a grinding member such as a grindstone around the rotary roll, instead of the above-described one that removes the paste layer by the scraping action by the brush, and the grinding member such as a grinding stone is scraped off. You may comprise so that a paste-powder layer may be removed by an effect | action etc. Further, a bar-like rubbing member made of iron or the like may be provided around the rotary roll, and the paste powder layer may be removed by a rubbing action by the rubbing member.

By the way, as the rice polishing apparatus 1, a receiving hopper is provided on the upper side, a discharge chute is provided on the lower side, and the rice grains received in the receiving hopper are polished while being transferred downward and discharged through the discharge chute. There is a formula. However, in the case of using the downward transfer type as the polishing rice apparatus 1, if the rice grains discharged from the discharge chute are received in the coating apparatus 2 in the fall state as they are, the height of the washing-free rice production facility becomes high. On the other hand, when the rice grains discharged from the discharge chute are lifted and conveyed by the lifting and conveying machine and supplied to the coating apparatus 2, it is possible to avoid an increase in the height of the washing-free rice production facility. However, a new lifting and conveying machine will be required, and the washing-free rice production facilities will rise.
On the other hand, when an upward transfer type is used as the rice polishing device 1 as in the present embodiment, the rice chute 1 and the coating device 2 are provided at the same level from the discharge chute 1b. Since it becomes possible to accept the rice grains dropped and discharged into the coating apparatus 2 as it is, it becomes possible to reduce the height of the washing-free rice production facility, and to lift as in the case of using the downward transfer type Since no transfer machine is required, it is possible to reduce the cost of washing-free rice production equipment.

  As shown in FIGS. 10 and 11, the coating apparatus 2 is provided in a cylindrical stirring chamber 61 in a sideways posture, and inside the stirring chamber 61, and is received into the stirring chamber 61 from a rice grain receiving port 64. A spiral body R as agitating and conveying means for conveying the rice grains in the longitudinal direction of the agitating chamber and discharging them out of the agitating chamber 61 from the rice grain outlet 65, the electric motor 63 for rotationally driving the helical body R, and A coating material supply port 66 for supplying a starch solution as a coating material solution generated by the coating material solution generating apparatus D into the stirring chamber 61 is provided. That is, in the spiral body R, while conveying the rice grains while stirring in the longitudinal direction of the stirring chamber, the starch solution is supplied from the coating material supply port 66 to the rice grains transported in the stirring chamber 61, The rice grain is coated with the starch solution by adhering the starch solution to the rice grain, and discharged from the rice grain outlet 65 to the outside of the stirring chamber 61.

In other words, both ends of the stirring chamber 61 are closed, and the rice grain receiving port 64 is placed on the upper end of the peripheral wall of the stirring chamber 61 in a state where the stirring chamber 61 is provided in a sideways posture as described above. The rice grain discharge port 65 is positioned on the lower side on the other end side of the peripheral wall, and the covering material supply port 66 is positioned in the upper middle portion in the longitudinal direction of the peripheral wall.
The polished rice tank 6 is connected to the rice grain receiving port 64, and the coating material solution supply path 35 is connected to the coating material supply port 66.

The spiral body R includes a screw 62 provided with a single spiral blade body 62w, and a flat blade body that is connected to the terminal end of the screw 62 so as to form a series of axial cores along the axial direction. And a scraping blade 69 provided with 69w.
Further, in the screw 62, screw discontinuous portions 70 where the spiral blades 62w are interrupted are provided at two locations on the lower side of the rice grain conveying direction than the portion corresponding to the coating material supply port 66.
Since the screw breakage portion 70 does not have a rice grain conveying action, the two screw breakage portions 70 provided in the middle of the screw 62 act as resistance to the rice grain conveyance by the screw 62, It is comprised so that stirring may be accelerated | stimulated.

As shown in FIGS. 12 and 13, the rice grain outlet 65 is long and long in the rice grain conveying direction, and the opening width in the direction along the circumferential direction of the peripheral wall of the stirring chamber 61 is lower in the rice grain conveying direction. A long discharge port portion 65f that becomes wider toward the side, and an opening width in the direction along the circumferential direction that is continuous with the lower end of the long grain discharge port portion 65f in the rice grain conveying direction is the long discharge port portion. As described above, it is formed on the lower side of the peripheral wall with a terminal discharge port portion 65e wider than the terminal end of the rice grain conveying direction of 65f.
Furthermore, when the rice grain conveying direction is viewed, an opening edge on the upper side in the rotational direction of the screw 62 in the elongated discharge port portion 65f (hereinafter sometimes referred to as an upper side opening edge) is an axis of the screw 62. It is configured to be located directly under the heart.

Further description will be given of the long discharge port portion 65f. The upper opening edge of the long discharge port portion 65f is formed in a straight line parallel to the axis of the screw 62, and The lower opening side of the screw 62 in the rotational direction of the screw 62 (hereinafter sometimes referred to as the lower side opening edge) is located closer to the lower side in the rotational direction of the screw 62 toward the lower side in the rice grain conveying direction. The opening width in the direction along the circumferential direction of the elongated discharge port portion 65f is continuously widened toward the lower side in the rice grain conveying direction.
The terminal discharge port portion 65e will be described. The terminal discharge port portion 65e is formed so as to open substantially the lower half of the peripheral wall of the stirring chamber 61.

  In the figure, 71 is a driven sprocket fixed to the starting end side of the screw 62, and 72 is a driving side sprocket fixed to the rotating shaft of the electric motor 63. The driven side sprocket 71 and the driving side sprocket 72 are also shown. The chain 73 is wound around and the electric motor 63 is configured to integrally rotate and drive the series of screws 62 and the scraping blades 69.

  Then, the portion of the stirring chamber 61 on the side of the rice grain inlet 64 and the electric motor 63 are integrally supported on a base 74, and the coating apparatus 2 is moved to the rice grain inlet 64 of the stirring chamber 61. It is configured to be installed in a cantilever posture that supports the side portion.

Next, the operation of the coating apparatus 2 configured as described above will be described.
That is, the rice grains received in the stirring chamber 61 from the rice grain receiving port 64 are conveyed while being stirred by the screw 62 toward the rice grain discharge port 65 side. On the other hand, in the process in which the starch solution is supplied from the coating material supply port 66 and the rice grains are conveyed while being further stirred from the starch solution supply position, the starch solution adheres over the entire surface of each rice grain. Thus, each grain of rice is coated with the starch solution over the entire surface.
When the rice grains reach the long discharge port portion 65f of the rice grain discharge port 65, the long discharge port portion 65f suppresses the variation in the discharge amount in the rice grain transfer direction, and the rice grain transfer direction The rice grains that are uniformly discharged over a wide range along the direction and pass through the long discharge port 65f without being discharged from the long discharge port portion 65f are scraped out by the scraping blades 69e, and the terminal discharge port portion 65e. Discharged from.

Furthermore, as described above, the two screw breakage portions 70 in the middle portion of the screw 62 act as resistance to the rice grain conveyance by the screw 62, so that the rice grains are rubbed together in each screw breakage portion 70 to obtain the starch solution. It becomes possible to adhere evenly over the entire surface of each grain of rice grains.
Further, since the opening width in the direction along the circumferential direction of the elongated discharge port portion 65f is continuously widened toward the lower side in the rice grain conveyance direction, the variation in the discharge amount in the rice grain conveyance direction is reduced. It can be made even smaller.

  As shown in FIGS. 2 to 4, the drying device 3 includes a mounting transport unit 81 that receives and transports rice grains dropped and discharged from the rice grain discharge port 65 of the coating device 2, and the mounting transport unit. The drying unit 82 is configured to dry the rice grains placed and conveyed at 81, and the rice grains that are covered with the starch solution and fallen and discharged from the rice grain outlet 65 by the coating apparatus 2 are placed and conveyed as described above. A film is formed on the surface of the rice grain by being dried by the drying means 82 while being received and loaded at 81.

The placing and conveying unit 81 is placed on the lower side after placing and conveying the rice grains supplied from above by the porous body 84 whose outer peripheral shape is rotated around the vertical axis by the electric motor 83 for drying. A plurality of mounting and conveying sections 81 are arranged in the vertical direction in such a manner that rice grains dropped and discharged from the upper side are received by the lower side.
The plurality of mounting and conveying portions 81 arranged in the vertical direction are accommodated in a substantially cylindrical drying device casing 85. In this embodiment, the drying device casing 85 has a semicircular cylindrical side peripheral wall portion in which the side peripheral wall is halved in the longitudinal direction and a half shape in which the octagonal cylinder is halved in the longitudinal direction in plan view. It is formed in a substantially cylindrical shape composed of an octagonal cylindrical side peripheral wall portion.
44 in the figure is a reinforcing frame for reinforcing the drying device casing 85.

Further, a discharge chute 86 for receiving the rice grains dropped and discharged from the lowermost loading / conveying unit 81 and discharging it to the outside of the apparatus is provided below the discharge location of the lowermost conveying / lowering unit 81. The semi-cylindrical side peripheral wall portion protrudes outside.
In addition, an electric heater 87 is provided in the drying device casing 85 above the uppermost transfer unit 81, and the drying device casing 85 sucks into the drying device casing 85 from the bottom. Thus, a blower 88 for drying is provided.

  That is, as shown by broken line arrows in FIG. 2, the rice grains coated with the starch solution are dropped and discharged onto the uppermost carrying section 81 from the rice grain discharge port 65 of the coating apparatus 2, and the rice grains are each discharged. While being placed and conveyed by the placing and conveying unit 81, it is transferred from the uppermost placing and conveying unit 81 to the lowermost placing and conveying unit 81, and discharged from the discharge chute 86 to the outside of the apparatus. In the process of being transported by each mounting and transporting unit 81 and being transferred between the mounting and transporting units 81, it is mounted and transported by the uppermost mounting and transporting unit 81 by the radiant heat of the electric heater 87. The rice grains are dried, and the drying air sucked from the upper part of the drying device casing 85 is heated by the electric heater 87 by the ventilation action of the drying blower 88 as shown by a one-dot chain line arrow in FIG. After loading The part 81 by ventilation to discharge out of the apparatus by passing downward, so as to dry the starch solution adhering to the rice grains.

  That is, the drying means 82 includes the electric heater 87, the drying fan 88, and the like, and is mounted and transported by the mounting and transporting unit 81 by the cooperative drying action by radiant heat and ventilation of the drying air. The rice grains to be dried are configured to be dried.

In the present invention, as shown in FIGS. 2 to 5, the coating material solution generating device D, the rice polishing device 1, and the coating device 2 excluding the water softener 37 and the water storage tank 38 (not shown). And the said drying apparatus 3 except the said air blower 88 and the said control part C are assembled | attached integrally, and the no-wash rice production part unit U is comprised.
And in the unwashed rice production part unit U, the part in which the rice grain discharge port 65 of the stirring chamber 61 is located in the agitating chamber 61 overlaps with the drying device 3 and the stirring chamber 61 in the plan view. The portion on the side where the rice grain receiving port 64 is located protrudes in the lateral direction of the drying device 3, and is provided above the drying device 3, and the covering material solution generating device D is disposed in the stirring chamber 61. It is disposed below a portion projecting laterally from the device 3.
In addition, as shown in FIGS. 6 to 9, in the washing-free rice production unit U, the covering material solution generating device D and the covering device 2 are placed at a storage position and a maintenance position laterally separated from the storage position. It is provided so that it can be moved separately.

Hereinafter, based on FIG. 2 thru | or FIG. 5, the assembly | attachment structure of each part in the said no-wash rice manufacturing part unit U is demonstrated.
The drying device casing 85 and a substantially rectangular parallelepiped shape whose height is lower than the drying device casing 85 and whose depth (vertical direction in FIG. 4) is the same as the diameter of the semi-cylindrical side peripheral wall portion of the drying device casing 85. The base frame 45 is connected in a horizontal direction so that the base frame 45 is located on the side of the semi-octagonal cylindrical side wall of the drying device casing 85, and the drying device is connected to the drying device casing 85 as described above. 3, and the coating material solution generating device D, the polishing apparatus 1, the coating device 2, and the control unit C are assembled to the base frame 45.

As described above, in a state where the drying device casing 85 and the base frame 45 are arranged side by side in the horizontal direction, the drying device casing 85 and the base frame 45, that is, between the covering material solution generation device D are disposed. The direction orthogonal to the direction in which the drying device casing 85 and the base frame 45 are aligned (that is, the direction corresponding to the direction in which the drying device 3 and the coating material solution generating device D are aligned, and may be referred to as the left-right direction hereinafter). A base frame 45 that is located on both ends of the drying device casing 85 (hereinafter, sometimes referred to as a depth direction) and faces the outer surface of the half octagonal cylindrical side peripheral wall portion of the drying device casing 85, that is, a covering material. An empty space 46 (so-called dead space) is formed by the side portion of the solution generator D.
Of the two empty spaces 46 arranged in the depth direction, the drying electric motor 83 is disposed on the inner side in the depth direction (the upper side in FIG. 4), and the empty space 46 is effectively used. It is used to save space.

  On the lower side of the empty space 46 on which the drying electric motor 83 is not provided, a drying device intake port 47 and the rice polishing device intake port 48 are provided, and the drying device intake port 47 is connected to an intake duct 49. In this way, the inside of the drying device casing 85 is communicated. The drying fan 88 is provided so as to be sucked into the drying device intake port 47, and the drying air is blown by the drying fan 88 as described above.

  The polishing apparatus 1 is fixedly installed at an intermediate portion in the depth direction on the upper surface of the base frame 45.

As shown in FIGS. 6 and 7, a linear guide 51 is provided on the upper side of the base frame 45 on the front side in the depth direction of the polishing apparatus 1 (downward in FIG. 4). With the portion where the rice grain outlet 65 of the stirring chamber 61 is located facing the drying device 3 side, the substrate 74 is placed and supported on the linear guide 51 by the base 74, and the coating device 2 is moved to the drying device 3. It is provided so as to be movable in the left-right direction over a storage position on the side and a maintenance position protruding in the lateral direction of the base frame 45 on the side opposite to the drying device 3 side.
In the state where the coating apparatus 2 is positioned at the storage position, the rice grain discharge port 65 of the stirring chamber 61 is positioned above the uppermost loading / conveying section 81 of the drying apparatus 3 and the stirring chamber 61 is The polished rice tank 6 connected to the rice grain receiving port 64 is configured to be positioned directly below the lower end discharge port of the discharge chute 1b of the polished rice apparatus 1. That is, an insertion hole is formed above the semi-octagonal cylindrical peripheral wall portion of the drying device casing 85, and the rice grain discharge port 65 side of the stirring chamber 61 is detachably inserted into the insertion hole.
Then, the rice grains falling from the discharge chute 1b are received and stored in the polished rice tank 6, and the rice grains in the polished rice tank 6 are received from the rice grain receiving port 64 into the stirring chamber 61 to attach the starch solution. The rice is discharged from the rice grain discharge port 65 onto the uppermost loading / conveying unit 81.
That is, in the plan view, the portion of the stirring chamber 61 where the rice grain outlet 65 is located overlaps with the drying device 3 and the portion of the stirring chamber 61 where the rice grain receiving port 65 is located is the portion of the drying device 3 in plan view. It is provided above the drying device 3 so as to protrude laterally. Specifically, when the coating apparatus 2 is viewed in plan, the rice grain outlet 65 of the stirring chamber 61 overlaps directly above the rice grain receiving portion of the drying apparatus 3 and the side where the rice grain inlet 65 of the stirring chamber 61 is located. In a state where the portion protrudes in the lateral direction of the drying device 3, the portion protrudes from the lateral direction above the drying device 3.

  The support structure for supporting the coating apparatus 2 is a structure for supporting a portion of the stirring chamber 61 that protrudes laterally from the drying apparatus 3, and is an electric actuator as an actuator for driving the spiral body R. The motor 63 is provided in a portion protruding in the lateral direction from the drying device 3 in the stirring chamber 61.

As shown in FIGS. 6 to 9, the coating apparatus in which the kneading tank 24 and the coating material solution storage tank 32 of the coating material solution generating apparatus D are located in the storage position in the base frame 45. 2 to the linear guide 52 so that it can move integrally in the left-right direction over the storage position below 2 and the maintenance position protruding from the inside of the base frame 45 in the lateral direction opposite to the drying device 3 side. And supported by the base frame 45.
The kneading tank 24 and the coating material solution storage tank 32 are in a positional relationship in which a kneaded product can flow from the kneading tank 24 into the coating material solution storage tank 32 through a flow-down supply path 30 (not shown). It is possible to move between the storage position and the maintenance position while maintaining the above.
Although not shown, the agitation device 25 can also be moved integrally with the kneading tank 24.

A detachable connection joint 53 is provided in the middle of the coating material solution supply path 35 that connects the coating material solution storage tank 32 and the coating device 2, and the coating device 2 and the coating material solution generator When only one of the kneading tank 24 and the coating material solution storage tank 32 of D is moved, the coating material solution supply path 35 is connected to the coating device 2 side and the coating material by disconnecting the connection joint 53. It is separated and moved to the solution storage tank 32 side.
Although not shown, the delivery pump 36, the on-off valve 41, and the flow meter 42 can be moved integrally with the kneading tank 24 and the coating material solution storage tank 32 of the coating material solution generator D. The coating material solution supply path 35 is provided.

That is, when both the coating device 2 and the kneading tank 24 and the coating material solution storage tank 32 are maintained, as shown in FIGS. 6 and 7, the connection joint 53 is maintained in the connected state. Thus, both the coating apparatus 2, the kneading tank 24, and the coating material solution storage tank 32 are moved to the maintenance position.
Further, as shown in FIGS. 8 and 9, when the kneading tank 24 and the coating material solution storage tank 32 are maintained, the connecting joint 53 is disconnected and the coating device 2 is positioned at the storage position. In this state, the kneading tank 24 and the covering material solution storage tank 32 are moved to the maintenance position.
Although not shown, when the coating apparatus 2 is maintained, the connecting joint 53 is disconnected, and the kneading tank 24 and the coating material solution storage tank 32 are positioned at the storage position. The coating apparatus 2 is moved to the maintenance position.

Returning to FIG. 2 thru | or 5, the direction different from the direction which provided the said electric motor 83 for the drying among the said empty spaces 46 of the said covering material storage tank 21 of the said covering material solution production | generation apparatus D, In other words, it is fixedly provided on the front side in the depth direction, and space is saved by effectively using the empty space 46.
That is, the covering material storage tank 21 is disposed between the drying device casing 85 and the covering material solution generating device D located on the lateral side thereof.

The covering material storage tank 21 is provided so that starch can be dropped and supplied to the kneading tank 24 located at the storage position by the screw feeder 22 (not shown).
Although not shown in the drawings, the water supply passage 23 is provided so that its flow-down port is located above the upper opening of the kneading tank 24 located at the storage position, and the water supply passage 23 is located at the storage position. The tank 24 can be supplied with water.
Incidentally, both the screw feeder 22 and the water supply passage 23 are provided so as to be located above the upper opening edge of the kneading tank 24 so that the covering material storage tank 21 can be moved.

The boiler 34 is fixedly provided in the base frame 45 in a state where it is adjacent to the kneading tank 24 and the coating material solution storage tank 32 located at the storage position on the back side in the depth direction.
Although not shown, the steam supply path 33 that connects the boiler 34 and the coating material solution storage tank 32 is also provided with a connection joint similar to the coating material solution supply path 35, and the coating material solution When the storage tank 32 is moved, the steam supply path 33 is separated into the boiler 34 side and the coating material solution storage tank 32 side by disconnecting the connection joint, and is moved.
Although not shown, the water softener 37 and the water storage tank 38 are provided outside the washing-free rice production unit U.

As described above, in the present embodiment, a portion of the coating material solution generating apparatus D excluding the coating material storage tank 21, the water softener 37, and the water storage tank 38, that is, the kneading tank 24, The covering material solution storage tank 32, the boiler 34, and the like are disposed below a portion of the stirring chamber 61 that protrudes laterally from the drying device 3.
In addition, the kneading tank 24 and the coating material solution storage tank 32 of the coating material solution generating device D are arranged over the storage position and the maintenance position laterally separated from the storage position. Are provided so as to be separately movable.

That is, in each part which comprises the said covering material solution production | generation apparatus D, the said covering material storage tank 21 and the said boiler 34 can make maintenance frequency low, on the other hand, on the other hand, the said kneading tank 24 and the said covering material solution Since the storage tank 32 and the like need to be cleaned, the maintenance frequency increases.
Therefore, the kneading tank 24 and the covering material solution storage tank 32 having a high maintenance frequency are provided so as to be movable between the storage position and the maintenance position, and the covering material storage tank 21 and the boiler 34 having a low maintenance frequency are provided. Since the linear guide 52 for enabling the maintenance object to be moved between the storage position and the maintenance position can be used by using a fixed installation, an inexpensive one with a low load resistance can be used. While it is possible to reduce the cost of washing rice production facilities, it is possible to reduce the burden on maintenance work.

As shown in FIGS. 4 and 5, the control unit C is provided at a position on the back side in the depth direction with respect to the boiler 34 in the base frame 45. Incidentally, the upper surface portion of the base frame 45 protrudes upward at the end portion in the depth direction, and the control portion C is provided inside the protruding portion.
That is, on the lateral side of the drying device 3, the control unit C and the coating material solution generation device D are arranged in the depth direction, that is, the alignment direction of the drying device 3 and the coating material solution generation device D. They are arranged side by side in the orthogonal direction.
Specifically, the covering material storage tank 21, the kneading tank 24 and the covering material solution storage tank 32, the boiler 34, and the control unit C are moved from the near side to the far side along the depth direction. The coating material storage tank 21 in which powdery starch may be scattered, the kneading tank 24 and the coating material in which moisture may be scattered by arranging in such an arrangement form. The solution storage tank 32 can be provided separately from the control unit C.

As shown in FIGS. 2, 3, and 5, a portion facing the kneading tank 24 and the coating material solution storage tank 32 is located on the side of the base frame 45 opposite to the drying device 3 side. A tank inspection door 54 that opens and closes and a boiler inspection door 55 that opens and closes a portion facing the boiler 34 are provided, and an outer peripheral portion of the base frame 45 other than the installation portion of the doors 54 and 55 is covered with a cover plate (FIG. (Not shown).
When the kneading tank 24 and the coating material solution storage tank 32 are moved to the maintenance position, the tank inspection door 54 is opened and moved, and when the boiler 54 is inspected, the boiler inspection is performed. The door 55 is opened for inspection.

  As shown in FIGS. 3 and 4, in plan view, the coating apparatus 2 located at the maintenance position, the kneading tank 24 and the coating material solution storage tank 32 located at the maintenance position are An inspection table 57 is provided in a state adjacent to the depth side in the depth direction, and a ladder 58 is provided for ascending the inspection table 57. The ladder 58 is used to go up to the inspection table 57, and the coating device 2 Or the coating material solution generating apparatus D is inspected.

  As shown in FIG. 5, the lifting and conveying machine 4 is erected adjacent to the washing-free rice production unit U and the rice milling tank 5 receives rice grains that are dropped and discharged from the lifting and conveying machine 4. Provided as possible, the rice grains are supplied from the rice polishing tank 5 to the receiving hopper 1a of the rice polishing apparatus 1 by the discharge chute 43.

[Another embodiment]
Next, another embodiment will be described.
(A) In providing the coating material solution generating device D so as to be movable between the storage position and the maintenance position, in the above embodiment, the kneading tank 24 and the coating material solution storage mainly having a high maintenance frequency are mainly used. The case where the tank 32 is movably provided has been illustrated, but other than that, for example, the boiler 34 is also movably provided between the storage position and the maintenance position, or the entire covering material solution generating apparatus D is provided. It may be provided so as to be movable between the storage position and the maintenance position.

(B) In the above embodiment, the case where the covering material solution generating device D and the covering device 2 are provided so as to be separately movable across the storage position and the maintenance position is exemplified. D and the coating device 2 are integrally provided to be movable between the storage position and the maintenance position, or only one of the coating material solution generation device D and the coating device 2 is set to the storage position and the storage device 2. You may provide so that a movement over a maintenance position is possible.
Moreover, you may provide the said coating material solution production | generation apparatus D and the said coating apparatus 2 fixedly.

(C) The installation form of the rice grain outlet 65 is not limited to the form exemplified in the above embodiment.
For example, as in the above-described embodiment, in forming the elongated discharge port portion 65f so that the upper-side opening edge is located immediately below or near the axis in the rice grain conveyance direction view, The lower opening edge may be formed in a staircase shape located closer to the lower side in the rotational direction of the screw 62 toward the lower side in the rice grain conveyance direction.
In addition, when the elongated discharge port portion 65f is viewed in the rice grain conveying direction, the lower opening edge is located immediately below or near the axis, and the upper opening edge is lower in the rice grain conveying direction. You may form so that it may be located in the rotation direction upper side of the said screw 62, so that the side is.
In addition, the upper discharge opening portion 65f of the upper side opening edge is positioned on the upper side in the rotational direction of the screw 62 with respect to the rice grain conveyance direction as viewed from the lower side of the shaft center. You may form so that an edge may be located in the rotation direction lower side of the screw 62 rather than just under the axis.
Further, the terminal discharge port portion 65e may be omitted.

(D) The specific configuration of the drying device 3 is not limited to the configuration exemplified in the above embodiment.
For example, an endless rotating belt may be provided as the above-described transporting unit.
Moreover, you may comprise the vibration conveyor type currently disclosed by the said patent document 1. FIG.

(E) When the coating apparatus 2 is viewed in plan, the part where the rice grain outlet 65 of the stirring chamber 61 is located overlaps with the drying apparatus 3, and the part of the stirring chamber 61 where the rice grain receiving port 65 is located is the drying apparatus. In the state of projecting in the horizontal direction 3, it is not limited to the case where it is provided above the drying device 3, as illustrated in the above embodiment, by being provided by projecting from the lateral direction above the drying device 3. Alternatively, the coating apparatus 2 may be provided so as to be placed on and supported by the upper end of the drying apparatus 3, or the coating apparatus 2 may be provided with a gap from the upper end of the drying apparatus 3.

(F) The drying device casing 85 that houses the plurality of mounting and conveying units 81 arranged in the vertical direction may be a cylindrical one instead of the substantially cylindrical one exemplified in the above embodiment.

(G) In constructing the washing-free rice production unit U, the entire coating material solution generator D including the water softener 37 and the water storage tank 38 may be assembled to the washing-free rice production unit U. good. Further, the entire drying device 3 including the drying fan 88 may be assembled to the washing-free rice production unit U.

(H) In the above embodiment, the washing material production unit D, the rice polishing apparatus 1, the coating apparatus 2, the drying apparatus 3, and the control unit C are assembled together to form the washing-free rice production unit. The unit U is illustrated as an example, but the coating material solution generator D, the rice polishing apparatus 1, the coating apparatus 2, the drying apparatus 3, Any one of the control units C may be omitted.

(L) The covering material is not limited to the starch exemplified in the above embodiment, and may be gelatin, dextrin, or the like.

Block diagram showing the overall structure of washing-free rice production equipment Longitudinal front view of the washing-free rice production unit Front view of partially washed rice production unit Partial cutaway plan view of the washing-free rice production unit Right side view of part of the washing-free rice production unit Partially cutaway plan view of the main part in the maintenance state of the washing-free rice production unit Longitudinal front view of the main part in the maintenance state of the washing-free rice production unit Partially cutaway plan view of the main part in the maintenance state of the washing-free rice production unit Longitudinal front view of the main part in the maintenance state of the washing-free rice production unit Cross-sectional plan view of coating equipment Longitudinal front view of coating equipment Cross-sectional plan view of essential parts of coating equipment Longitudinal front view of the main part of the coating device

Explanation of symbols

2 Coating device 3 Drying device 21 Coating material storage tank 61 Stir chamber 64 Rice grain receiving port 65 Rice grain discharge port 65e Terminal discharge port portion 65f Elongate discharge port portion 66 Covering material supply port 81 Placement conveying portion 82 Drying means 84 Porous Body 85 Drying device casing C Control unit D Coating material solution generator R Stirring conveying means

Claims (6)

A coating material solution generating device for generating a coating material solution in which the coating material is dissolved in water;
A coating apparatus for attaching the coating material solution generated by the coating material solution generating apparatus to the rice grains from which all or most of the paste powder layer has been removed;
A drying device for drying the coating material solution adhering to the rice grains with the coating device to form a film on the surface of the rice grains; and
The coating device is provided in a cylindrical stirring chamber in a sideways posture, and the rice grains received in the stirring chamber from the rice grain receiving port are transported in the longitudinal direction of the stirring chamber to the outside of the stirring chamber through the rice grain discharge port. And a washing-free rice production facility comprising a coating material supply port for supplying the coating material solution generated by the coating material solution generating device into the stirring chamber,
In the plan view, in the plan view, the portion of the stirring chamber where the rice grain outlet is located overlaps with the drying device, and the portion of the stirring chamber where the rice grain inlet is located is the lateral direction of the drying device. Is provided above the drying device,
Wash-free rice production equipment in which the coating solution generator is disposed below a portion of the stirring chamber that protrudes laterally from the drying device.   The washing-free rice production facility according to claim 1, wherein the coating material solution generating device and the coating device are provided so as to be separately movable across a storage position and a maintenance position that is laterally separated from the storage position. The rice grain discharge port is long and long in the rice grain conveyance direction, and an elongated discharge port portion whose opening width in the direction along the circumferential direction of the peripheral wall of the stirring chamber becomes wider toward the lower side of the rice grain conveyance direction, and A terminal discharge port portion that is continuous with the lower end of the long grain discharge port portion in the rice grain conveyance direction and has a wider opening width in the direction along the circumferential direction than the long grain discharge port portion at the end of the rice grain conveyance direction. In a state comprising, formed on the lower side of the peripheral wall,
The drying device receives and places the rice grains falling from the rice grain discharge port, and a drying unit that dries the coating material solution attached to the rice grains placed and conveyed by the loading and conveying unit. The washing-free rice production facility according to claim 1 or 2, comprising: The above-described placement conveyance unit is configured to drop and discharge downward after the rice grains supplied from above are placed and conveyed from above by a circular porous body that is rotationally driven around the vertical axis,
4. The washing-free rice production facility according to claim 3, wherein a plurality of the mounting and conveying sections are arranged in the vertical direction in such a manner that the lower grains receive rice grains dropped and discharged from the upper one. The drying device is configured by storing the plurality of placement conveyance units arranged in the vertical direction in a cylindrical or substantially cylindrical drying device casing,
The coating material storage tank which stores the coating material supplied to the said coating material solution production | generation apparatus is arrange | positioned between the said drying apparatus casing and the said coating material solution production | generation apparatus located in the side. 4. Wash-free rice production facility according to 4.   A control unit for controlling operation and the coating material solution generating device are provided side by side in a direction orthogonal to an alignment direction of the drying device and the coating material solution generating device on a lateral side of the drying device. Item 6. The washing-free rice production facility according to any one of items 1 to 5.

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