Rice polisher, pre-polished rice producing apparatus, leveling device and pre-polished rice producing facility

A rice polisher comprising:

• a grain-lifting spiral for transporting white rice above from below;
• a port for pouring polishing water;
• a discharge port for discharging white rice, the discharge port being disposed at a head portion;
• a cylindrical rice polishing drum, the rice polishing drum having a water discharging port at an area forming a rice polishing chamber;
• and
• a rice polishing roll, the rice polishing roll being housed in the rice polishing drum and forming the rice polishing chamber between the rice polishing drum, the rice polishing roll being for polishing rice by agitating together with the polishing water poured from the water-pouring port the white rice pressurized in the rice polishing chamber by transportation by the grain-lifting spiral;
• wherein the rice polisher discharges from the discharge port the white rice that has been polished.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice polisher, the rice polisher including a grain-lifting spiral for transporting a white rice above from below;
• a port for pouring polishing water, the port being disposed at a head portion;
• a discharge port for discharging the white rice, the discharge port being disposed at the head portion;
• and a rice-polishing roll for polishing rice by agitating together with the polishing water poured from the port for poring the white rice pressurized by transportation by the grain-lifting spiral;
• the rice polisher discharging from the discharge port the white rice that has been polished;
• a dehydrating section for dehydrating the white rice discharged from the rice polisher;
• and
• a drying section for drying the white rice supplied from the dehydrating section.

A pre-polished rice producing apparatus comprising:

• a rice polisher, the rice polisher including a grain-lifting spiral for transporting a white rice above from below;
• a port for pouring polishing water, the port being disposed at a head portion;
• a discharge port for discharging the white rice, the discharge port being disposed at the head portion;
• and a rice-polishing roll for polishing rice by agitating together with the polishing water poured from the port for poring the white rice pressurized by transportation by the grain-lifting spiral;
• the rice polisher discharging from the discharge port the white rice that has been polished;
• and
• a dehydrating section for dehydrating the white rice supplied from the rice polishing section;
• wherein water obtained by dehydrating the white rice in the dehydrating section is poured to a lower portion of the rice polishing chamber.

A pre-polished rice producing apparatus for producing a pre-polished rice, the apparatus comprising:

• a rice polishing section for polishing rice by agitating a white rice with polishing water;
• a dehydrating section for dehydrating the white rice supplied from the rice polishing section;
• a drying section for drying the white rice supplied from the dehydrating section;
• detecting means for detecting water content in the white rice dried by the drying section;
• and
• controlling means for adjusting the water content in the pre-polished rice on the basis of a white rice water content detected by the detecting means.

A pre-polished rice producing apparatus for producing a pre-polished rice, the apparatus comprising:

• a rice polishing section for polishing rice by agitating a white rice with polishing water;
• a dehydrating section for dehydrating the white rice supplied from the rice polishing section;
• a drying section for drying the white rice supplied from the dehydrating section;
• detecting means for detecting water contents in the white rice supplied to the rice polishing section and in the white rice dried by the drying section;
• and
• controlling means for adjusting the water content in the pre-polished rice on the basis of white rice water contents detected by the detecting means.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice washing section, the rice washing section including a supplying mechanism for supplying raw material white rice and washing rice by agitating with washing water the raw material white rice supplied by the supplying mechanism;
• and
• an apparatus main body, the apparatus main body housing therein a dehydrating section, the dehydrating section connected to the rice washing section and being for dehydrating the raw material white rice supplied from the rice washing section, and housing therein a drying section, the drying section connected to the dehydrating section and being for drying the raw material white rice supplied from the dehydrating section;
• wherein the rice washing section is disposed on a supporting shaft supported by the apparatus main body, and the rice washing section is pivotable around the supporting shaft, thereby being attachable to and detachable from the apparatus main body.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice washing section, the rice washing section including a cylindrical rice washing drum having a lower portion and an upper portion, the lower portion disposed with a supplying port and the upper portion disposed with a discharge port, a grain-lifting spiral disposed at a lower side of the rice washing drum, the grain-lifting spiral including a columnar rotating shaft and a screw blade formed in a spiral on an outer circumference of the rotating shaft, for transporting a raw material white rice supplied from the supply port into the rice washing drum from below to above by rotation of the rotating shaft and the screw blade, and a rice washing roll disposed at the upper portion in the rice washing drum, the rice washing roll being for washing by agitation with washing water the raw material white rice transported by the grain-lifting spiral, with the rice washing section discharging the raw material white rice subject to a rice washing process from the discharge port;
• a dehydrating section for dehydrating the raw material white rice supplied via the discharge port, the dehydrating section being connected to the rice washing portion;
• and
• a drying section for drying the raw material white rice supplied from the dehydrating section, the drying section being connected to the dehydrating section;
• wherein the rice washing drum has an open at a lower end, and
• a gap between the screw blade and the rice washing drum above the supplying port has a size such that the raw material white rice is not crushed and a gap between the screw blade and the rice washing drum above the supplying port has a size such that the raw material white rice does not fall.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice washing section, the rice washing section including a supplying mechanism for supplying a raw material white rice and washing rice by agitating with washing water the raw material white rice supplied by the supplying mechanism;
• a dehydrating section for dehydrating the raw material white rice supplied from the rice washing section, the dehydrating section being connected to the rice washing section;
• and
• a drying section, the drying section including a disc-shaped rotating drying disc and a leveling member disposed above the drying disc, the drying section being connected to the dehydrating section, the drying section being for drying the raw material white rice supplied from the dehydrating section by blowing air to the raw material white rice while the raw material white rice is leveled by the leveling member;
• wherein
• the drying section is provided with a thickness sensor for detecting a thickness of a layer of the raw material white rice on the drying disc on a side of the leveling member which side is opposite to a direction of the rotation of the drying disc;
• and
• at least one of a volume reduction adjustment of an amount of the raw material white rice from the supplying mechanism and a speed increase adjustment of a rotating speed of the drying disc is performed if the thickness of the layer of the raw material white rice detected by the thickness sensor is thicker than a predetermined range.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice washing section, the rice washing section including a supplying mechanism for supplying a raw material white rice and washing rice by agitating with washing water the raw material white rice supplied by the supplying mechanism;
• a dehydrating section for dehydrating the raw material white rice supplied from the rice washing section, the dehydrating section being connected to the rice washing section;
• and
• a drying section, the drying section including a disc-shaped rotating drying disc and a leveling member disposed above the drying disc, the drying section being connected to the dehydrating section, the drying section being for drying the raw material white rice supplied from the dehydrating section by blowing air to the raw material white rice while the raw material white rice is leveled by the leveling member;
• wherein
• the drying section is provided with a thickness sensor for detecting a thickness of a layer of the raw material white rice on the drying disc on a side of the leveling member which side is opposite to a direction of the rotation of the drying disc;
• and
• at least one of a volume increase adjustment of a supply amount of the raw material white rice by the supplying mechanism and a speed reduction adjustment of a rotating speed of the drying disc is performed if the thickness of the layer of the raw material white rice detected by the thickness sensor is thinner than a predetermined range.

A pre-polished rice producing facility, the facility comprising:

• a pre-polished rice producing apparatus comprising a rice washing section for washing rice by agitating a raw material white rice with washing water, a dehydrating section for dehydrating the raw material white rice supplied from the rice washing section, and a drying section for drying the raw material white rice supplied from the dehydrating section by warm air heated by a heater;
• a dust remover for removing dust from supplied air;
• a dehumidifying drier for dehumidifying and drying the supplied air;
• wherein
• the facility is incorporated within a single building, discharge air discharged from the drying section of the pre-polished rice producing apparatus is supplied to the dust remover for removing dust, discharge air after the dust removal by the dust remover is supplied to the dehumidifying drier for the dehumidification and drying, and discharge air after the dehumidification and drying by the dehumidifying drier is supplied to the drying section of the pre-polished rice producing apparatus.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice polisher including a grain-lifting spiral for transporting a white rice above from below, a port for pouring polishing water, a discharge port for the white rice, the discharge port disposed at a head portion, a cylindrical rice polishing drum, the rice polishing drum having a water discharge port at an area forming a rice polishing chamber, and a rice polishing roll, the rice polishing roll housed in the rice polishing drum and forming the rice polishing chamber between the rice polishing drum, the rice polishing roll being for polishing rice by agitating together with the polishing water poured from the port for pouring the white rice pressurized in the rice polishing chamber by transportation by the grain-lifting spiral, with the rice polisher discharging from the discharge port the white rice that has been polished;
• a dehydrating section for dehydrating the white rice discharged from the rice polisher;
• and
• a drying section for drying the white rice supplied from the dehydrating section.

A rice polisher, the rice polisher comprising:

• a grain-lifting spiral for transporting white rice above from below;
• a rice polishing roll for agitating the white rice transported by the grain-lifting spiral;
• a rice polishing drum, the rice polishing drum forming a single wall to surround the rice polishing roll;
• a port for pouring polishing water, the port disposed at a head portion;
• and
• a discharge port for the white rice, the discharge port provided at the head portion;
• wherein
• the rice polishing roll agitates the white rice pressurized by transportation by the grain-lifting spiral only with the polishing water poured from the port for pouring in a rice polishing process, with the rice polisher discharging the white rice after the rice polishing process from the discharge port.

A rice polisher, the rice polisher comprising:

• a grain-lifting spiral for transporting a white rice above from below;
• a port for pouring polishing water;
• a discharge port for the white rice, the discharge port disposed at a head portion;
• a rice polishing drum, the rice polishing drum having a water discharge port, the water discharge port provided at a portion forming a rice polishing chamber, the discharge port being for discharging polished-waste water to thereby prevent the polished-waste water from stagnating inside;
• and
• a rice polishing roll, the rice polishing roll housed in the rice polishing drum, the rice polishing roll forming a rice polishing chamber between the rice polishing drum, the rice polishing roll polishing rice by agitating together with the polishing water that is poured from the port and that flows naturally below from above the white rice pressurized by transportation in the rice polishing chamber by the grain-lifting spiral;
• wherein the rice polisher discharges from the discharge port the white rice that has been polished.

A rice polisher comprising, the rice polisher comprising:

• a grain-lifting spiral for transporting a white rice above from below;
• a port for pouring polishing water;
• a discharge port for the white rice, the discharge port disposed at a head portion;
• a pressure-operated valve, the valve provided at the discharge port, the valve being opened by a degree corresponding to a pressure applied thereto when the pressure is no less than a predetermined value;
• a rice polishing drum, the rice polishing drum having a water discharge port disposed at a portion forming a rice polishing chamber;
• and
• a rice polishing roll, the rice polishing roll housed in the rice polishing drum, the rice polishing roll forming the rice polishing chamber between the rice polishing drum, the rice polishing roll polishing rice by agitating together with the polishing water that is poured from the port the white rice pressurized in the rice polishing chamber by transportation by the grain-lifting spiral;
• wherein the rice polisher discharges from the discharge port the white rice that has been polished.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice polishing section for polishing rice by agitating white rice with polishing water;
• a dehydrating section for dehydrating the white rice supplied from the rice polishing section;
• a drying section for drying by warm air the white rice supplied from the dehydrating section, the warm air being generated by heating the atmosphere, the white rice supplied from the dehydrating section being rotated;
• detecting means for detecting water content in the white rice dried by the drying section;
• and
• controlling means for adjusting the water content in a pre-polished rice on the basis of the water content in the white rice detected by the detecting means, the controlling means being able to adjust the water content, by changing at least one of speed of the rice polishing process in the rice polishing section, amount of the polishing water being poured, temperature of the atmosphere, humidity of the atmosphere, amount of flow of the warm air, and rotating speed of the white rice in the drying section.

A pre-polished rice producing apparatus, the apparatus comprising:

• a rice polishing section for polishing rice by agitating white rice with polishing water;
• a dehydrating section for dehydrating the white rice supplied from the rice polishing section;
• a drying section for drying by warm air the white rice supplied from the dehydrating section, the warm air being generated by heating the atmosphere, the white rice supplied from the dehydrating section being rotated;
• detecting means for detecting water contents in the white rice supplied to the rice polishing section and in the white rice dried by the drying section;
• and
• controlling means for adjusting the water content in a pre-polished rice by adjusting, on the basis of the white rice water contents detected by the detecting means, at least one of speed of the rice polishing process in the rice polishing section, amount of the polishing water being poured, temperature of the atmosphere, humidity of the atmosphere, temperature of the warm air, humidity of the warm air, amount of flow of the warm air, and rotating speed of the white rice in the drying section.