JP2022102981A - Rice washing device - Google Patents

Abstract

To supply air bubbles to a rice washing tank with simple means to contribute to rice washing etc.SOLUTION: A micro bubble generator (81a) which generates micro bubbles when water passes therethrough is provided at a middle part of a water supply route for supplying water to a rice washing tank (5) to supply micro bubbles to a rice washing step, in which rice is washed, an immersion step, in which the rice is immersed in water, a water adjustment step, in which an adjusted amount of water is supplied to the rice. The micro bubble generator (81a) is integrated with a water faucet (80) to form a unit.SELECTED DRAWING: Figure 15

Description

The present invention relates to a rice washing device before cooking rice.

It is known that a rice-washing device provided with a rice-washing section and a rice-cooking section includes an air compressor that supplies air bubbles into the rice-washing tank and contributes to rice-washing (Patent Document 1).

Japanese Unexamined Patent Publication No. 2019-177355

According to Patent Document 1, a compressor is required separately.
Further, in the bubble washing of rice in Patent Document 1, only the rice washing step is described.

An object of the present invention is to supply air bubbles to a rice washing tank by a simple means to contribute to rice washing and the like.

The invention according to claim 1 is used to solve the problem to be solved by the invention.
By providing a micro bubble generator (81a) that generates micro bubbles when water passes in the middle of the water supply route that supplies water to the rice washing tank (5), a rice washing process for washing rice and a rice washing process for immersing the rice are provided. The rice washing device is characterized in that a microvalve is supplied to each of the dipping step and the watering / lowering treatment step of supplying water to the rice.

The invention according to claim 2 is
The micro valve generator (81a) is a micro bubble generator unit (81) integrated with a water faucet (80), and the micro bubble generator unit (81) is detachably configured with respect to the main water distribution pipe (46). The rice washing device according to claim 1, wherein the rice washing apparatus is used.

As a result, the water in which the microbubbles are injected is always supplied during the rice washing step, the dipping step, and the water adjustment treatment step without any particular operation, so that the rice washing step becomes good. In addition, since it does not require a compressor, it can be configured simply.

In addition, it has a simple configuration and is easier to maintain.

It is a front view of the rice washing rice cooking apparatus which concerns on embodiment of this invention. It is a side view of the rice washing rice cooker. It is a front sectional view of the rice washing rice cooker. It is a schematic diagram seen from the perspective of the rice storage tank and the rice washing tank of the rice washing device. It is a schematic diagram seen from the plane of the rice storage tank and the rice washing tank. It is a side sectional view of the measuring part of the rice washing rice cooker. It is sectional drawing of the drum case of the rice washing rice cooker. It is a perspective view of the rice washing rice cooker. It is a top view of the partition member of the rice washing rice cooker and the peripheral arrangement equipment. It is a perspective view of the partition member of the rice washing rice cooker, and the peripheral arrangement equipment. It is an overall control flowchart of the rice cooker. (A) is a schematic view showing the working state of the rice washing rice cooker seen from the side surface, and (b) is a schematic diagram showing the working state seen from a plane. It is a front view which shows the operation state of the rice cooker lid opening and closing arm of the rice cooker rice cooker. (A) is a plan view of the rice cooker of the rice cooker, and (b) is a side view of the rice cooker.

It is a schematic diagram which shows the microbubble generator unit. It is a schematic diagram of another embodiment of the microbubble generator unit.

Embodiments of the present invention will be described in detail below with reference to the drawings.
The support member 1 that vertically and horizontally frames the U-shaped or square tubular member is between a rectangular underframe 1a having casters at the bottom, left and right columns 1b and 1b having a predetermined width and a predetermined height, and left and right columns 1b and 1b. It is composed of a plurality of cross rails 1c, 1c ...

The horizontal rail 1c is provided with a flat plate-shaped partition member 3 for mounting each equipment, a rice storage tank 4 is provided above the flat plate-shaped partition member 3, a rice washing tank 5 is provided below the rice storage tank 4, and the rice washing tank 5 is provided. The rice cooking device 6 is arranged below at intervals. The rice cooking device 6 includes a rice cooking pot 7, a gas table for heating the pot 8, a drawer-type stand, and the like. The drawer side of the gantry 9 in FIG. 1 is the front side, and the back side is the rear side.

The rice storage tank 4 is composed of a main tank 4a at the upper part having a rectangular cross section and a funnel-shaped hopper portion 4b at the lower part, and a measuring drum case 10 is attached to the lower end portion of the hopper portion 4b. In the measuring drum case 10, a measuring drum 13 including a drum portion 11a having a cylindrical notch portion 11 and front and rear side wall portions 12a and 12b is provided and penetrates the front and rear side wall portions 12a and 12b. It is rotatably supported by the drum case 10 by the horizontal axis 14. Further, a motor 15 is mounted on the rear surface side of the drum case 10 so as to directly interlock the shaft 14, and a fixed amount of rice flowing down from the rice storage tank 4 through the notch 11 is filled in the measuring drum 13 by rotation. When the position of the notch 11 is inverted downward and reaches the discharge port 16 formed in the drum case 10, the measuring drum 13 is discharged.

The partition member 3 is provided with an opening 17 corresponding to the discharge port 16, and is configured to deliver a predetermined amount of rice from the rice storage tank 4 to the rice washing tank 5 by rotating the measuring drum 13 by a predetermined rotation speed. There is. Further, a predetermined amount can be supplied by detecting a rotation sensor (not shown) that counts the number of feedings.

The drum case 10 and the funnel-shaped hopper 4b are integrally configured, and after the upper main tank 4a is removed, the integral body of the hopper 4b and the drum case 10 can be removed from the partition member 3. It is composed. That is, on the rear side, an engaging portion 20 is provided so that the engaging convex portion 19 of the drum case 10 can be engaged and disengaged from the hook-shaped portion 18 formed on the partition member 3, and these partition members 3 and the drum case 10 are provided on the front side. A detachable engaging stay 21 that can be attached and detached and fixed with a screw is provided between the two, and the stay 21 is rotated around the center of the screw portion by loosening the screw 22 to release the engagement with the drum case 10. The lower end edge of the drum case 10 is formed so as to fit into the rectangular opening of the partition member 3, but the lower end edge of the drum case 10 is slightly lifted upward by disengaging the engagement stay 21. By releasing the fitting from the partition member 3 and pulling it diagonally from the front toward the front, the engagement of the engaging portion 20 can be released while releasing the fitting of the lower end edge on the rear side.

The rice storage tank 2 and the measuring portion are configured to cover the outside with a cover member 23, and the left and right side walls and the rear side wall are appropriately fixed to the partition member 3 and the like, and the front side wall lower half portion 23a is, for example, a front view. It is configured as a door that can be opened and closed with the right side as a fulcrum. The upper half portion 23b of the front side wall is connected to the left and right side walls and is configured to be removable. Therefore, the rice storage tank 2 and the drum case 10 can be inspected and attached / detached with the front side wall lower half portion 23a open. Reference numeral 24 denotes a square covering plate that detachably covers the main tank 4a from above.

Reference numeral 25 is a discharge shutter for rice discharge provided on one side (front side in the figure) of the funnel-shaped hopper portion 4b. It has a structure that allows the rice inside to be discharged.

FIG. 7 shows a cross-sectional view of the measuring drum 13 portion, in which gaskets 26a and 26b for tilting and guiding rice are provided between the funnel-shaped lower hopper 4b and the drum case 10, and the outer periphery of the measuring drum 13 and the inside of the drum case 10 are provided. The space between the circumference and the circumference is such that there is a gap t (for example, about 1 mm) that does not crush the rice even if it is infiltrated.

The weighing drum 13 is repeatedly rotated and stopped in a certain direction by the motor 15, but the stop position of the weighing drum 13 is the position shown in FIG. That is, a vibrating means (referred to as a pump 66 for air supply described later in the figure) is attached to the side wall of the funnel-shaped hopper 4b on the inclined wall near the existing side of the rotary rear side gasket 26b to promote the internal rice flow. In addition, the opening edge of the measuring drum 13 is stopped at the rear position of the vibration-side gasket 26b, and the other open end edge is stopped at the front position of the non-vibration-side gasket 26a. The rice that is about to enter due to the vibration of the vibration means is shielded by the measuring drum 13, while the non-vibration side naturally feeds the rice into the measuring drum 13 to stabilize the accuracy of the supply amount.

As shown in FIG. 3, the rice washing tank 5 is provided with a receiving cylinder portion 31 for guiding rice supplied from the drum case 10 on the ceiling portion, a cylindrical body portion in the middle portion, and a hopper-shaped portion in the lower portion. A filter 33 made of a mesh body having a jacket portion 32 connected below the hopper-shaped portion of the rice washing tank 3 and having an opening at the boundary between the hopper-shaped portion and the jacket portion 32 so as not to leak rice grains. Is provided.

A rotation shaft 34 in the vertical direction is provided in the center of the rice washing tank 5, and a plurality of stirring rods 35, 35 ... Attach to 34 by welding or the like. The rotating shaft 34 is rotated by the rice washing motor 36 via the bevel gear mechanism 37, and is configured to agitate the rice and water in the tank by rotation.

The rotary shaft 34 is a hollow shaft, and the inner shaft 38 is loosely fitted vertically and vertically inside the outer hollow shaft 34 and extends downward. A conical rice discharge valve 39 is detachably provided at the lower end of the shaft 38. The upper end of the shaft 38 is moved up and down by an interlocking mechanism such as a cam 41 driven by a rice discharge valve driving motor 40 and a drop arm described later, so that the opening and closing of the rice discharge valve 39 is controlled. When the rice discharge valve 39 is opened, the rice in the rice washing tank 5 is configured to fall into the inner pot of the rice cooker 6 below.

A main water pipe 46 for supplying water to the rice washing tank 5 is provided. Then, the upper water supply pipe 48 and the lower water supply pipe 53 are branched from the main water supply pipe 46. In the middle of the upper water supply pipe 48, an upper water supply route is provided via an upper water supply valve 47 for adjusting the presence or absence of water supply and an upper water supply port 49, 49 on the ceiling of the rice washing tank 5. Further, the lower water distribution pipe 53 passes through the lower water supply valve 50, passes through the cover member 23, and is provided on the side of the rice washing tank 5. The lower side of the water supply hose 51a and the lower water supply port 52 via the jacket portion 32. Establish a water supply route. That is, the water supply is performed by two systems. Each water supply route is equipped with a flow rate sensor (not shown).
The water supply hose 51a is not shown in the drawings such as FIGS. 8 and 10.

Two upper water supply pipes 48, 48 leading to the main water distribution pipe 46 are arranged near the drum case 10 based on the partition member 3, and a lower water supply pipe 53 penetrating the partition member 3 is provided.

Reference numeral 55 is a shutter that opens and closes the discharge port 16 in connection with the electric motor 15, the motor 15 is connected to the shutter support shaft 58 via the link mechanisms 56 and 57, and the drum opening coincides with the discharge port 16. The interlocking configuration is such that the shutter 55 is opened when the shutter 55 is operated. Therefore, the shutter 55 is always in the closed posture to prevent the diffused water from scattering during the rice washing in the rice washing tank 5 and prevent the water from entering the measuring drum 13.

The drum case 10 is located on the left side of the position where the upper water supply pipes 48 and 48 are arranged, and the rice discharge valve 39 motor 40 and the stirring rods 35, 35 ... Drive rice washing motor 36 described later are arranged on the right side. There is.

A drainage box 60 is provided on the lower side of the rice washing tank 5. In the drainage box 60 having the drainage port 61, the lower end portion of the overflow pipe 62 whose upper end opens on the upper side surface of the rice washing tank 5 and the other end portion of the jacket portion 32 whose one end communicates with the jacket portion 32 are connected. Has been done. Drainage from the jacket portion 32 is performed by opening and closing the drain valve 64, and the water level in the rice washing tank 5 is adjusted while draining with the water level valve 65.

The drainage box 60 is always closed by the drainage valve 64 and the water level valve 65, but when draining the water in the rice washing tank 5, the drainage valve 64 and / or the water level valve 65 is discharged from the filter 33 of the jacket portion 32. , The drainage box 60 and the drainage port 61 are used for drainage. The drain valve 64 and the water level valve 65 are opened and closed by an appropriate opening / closing output. Further, a water level sensor 68 for detecting the amount of water in the rice washing tank 5 is provided in the upper part of the rice washing tank 3.

By the way, the overflow pipe 62 has a horizontal pipe portion 62a connected to the vicinity of the upper end portion of the rice washing tank 3 and a vertical pipe portion 62b connected to the horizontal pipe portion 62a, and the lower end of the vertical pipe portion 62b is the drainage box. It is connected to 60. Then, the upper end of the vertical pipe portion 62b is extended upward, and the extension pipe portion 62c is appropriately fixed and supported by a mounting holder 69 provided on the lower surface of the partition member 3 in a state of penetrating the partition member 3.

In the cover member 23, the substantially closed space A between the lower part of the rice storage tank 4 and the partition member 3 accommodates the measuring unit 10, various driving units, pipes, and the like. However, breathability is ensured to prevent water vapor trapping. That is, the blower fan 70 is arranged on one side wall of the cover member 23, and is always energized and driven while the device is in operation, so that external air can be supplied into the space A. The air that has entered the space A is appropriately circulated through the space A and exhausted to the outside of the machine through a mesh hole or the like described later. Therefore, the humidity can be reduced by the flow of external air in the space A that receives the water vapor rising during rice cooking. A controller 71 is arranged on the inner surface of the cover member 23 on the side facing the blower fan 70, and moisture can be removed by giving a ventilation action to the controller 71 as well. If the upper end opening of the extension pipe portion 62c is viewed in the vicinity of the controller 71, for example, below the front portion of the controller 71, an appropriate air flow is generated and the air acting on the controller 71 is efficiently introduced into the extension pipe portion 62c. obtain.

By the way, as described above, the extension portion 62c of the overflow pipe 62 penetrates the partition member 3, so that the upper end opening is viewed into the space portion A, and the ventilation from the blower fan 70 passes through the overflow pipe 62 to the rice washing tank 5. Will be supplied within. That is, the air that has entered from the upper end of the extension pipe portion 62c of the overflow pipe 62 enters the rice washing tank 5 via the extension portion 62c and the horizontal pipe portion 62a. Therefore, it has the effect of drying the inside of the rice washing tank 5. In this way, by forming the ventilation portion B such as the extension pipe portion 62c of the overflow pipe 62 between the space portion A and the rice washing tank 5, the circulating air by the blower fan 70 can be introduced into the rice washing tank 5. , The inside of the rice washing tank 5 can be dried.

If the extension pipe portion 62c of the overflow pipe 62 is provided as the ventilation portion B, even if the dust in the space portion A is conveyed by air, the dust falls through the vertical pipe portion 62b of the overflow pipe 62 and is a drainage box. When it reaches 60, there is little risk of entering the rice washing tank 5.

A ventilation net or a net-like body 73 made of punching metal may be attached to the upper end of the extension pipe portion 62c (ventilation portion B) to prevent foreign matter from entering.

A cavity C is provided in the lower part of the bottom surface of the space A surrounded by the cover member 23 and the partition member 3, and various harnesses (not shown) are accommodated. More specifically, the partition member 3 is formed by drawing and integrally forming a side wall, and a bottom plate 72 is provided below the partition member 3 in a cover shape to form a hollow portion C. A net-like body 74 made of a ventilation net or a punching metal is attached to an appropriate position of the partition member 3 so as to communicate with the cavity C. In this case, the mesh size of the mesh body 73 at the upper end of the extension pipe portion 62c (ventilation portion B) is smaller than the mesh size of the mesh body 74 arranged at an appropriate position of the partition member 3, and foreign matter, particularly It enhances the effect of preventing the invasion of small-sized insects.

Next, the water level sensor 68 will be described. The water level sensor 68 is provided to detect that the water level in the rice washing tank 5 is the water level immediately before reaching the overflow state or reaching the overflow state, and has a detection electrode 68a (water level detection unit) for detecting that the water level reaches a predetermined water level. It is a known configuration that can detect a change in capacitance based on the presence or absence of a water level and detect that the predetermined water level has been reached. The water level sensor 68 is detachably supported by the partition member 3. The detection electrode 68a is connected and fixed to the supporting base member 68b. That is, it is located on the upper surface of the partition member 3 at a position close to the lower half portion 23a of the front side wall of the cover member 23 and is connected and fixed to the base member 68b. The base member 68b of the water level sensor 68 is fixed by fastening and loosening the rotation lock pieces 75 arranged at two locations on the left and right with the wing bolts 76, and the wing bolts 76 can be rotated by fingers. It can be implemented and is provided without so-called tools. When the base member 68b is removed, the large opening 77 formed in the partition member 3 can be opened. Therefore, the worker can visually check the inside of the rice washing tank 5 through the opening 77 that opens to the front side by opening the lower half portion 23a of the front side wall of the cover member 23.

In the above embodiment, the water level sensor 68 has an electrode form that can detect the presence or absence of capacitance, but various configurations such as a float form that can turn on and off the electrical contacts as the so-called float rises. can do.

The water supply to the rice washing tank 5 is performed by two systems, an upper water supply route via the upper water supply port 48 on the ceiling of the rice washing tank 5 and a lower water supply route from the lower water supply port 51 via the jacket portion 32. In FIG. 12B, the lower water supply pipe 52 is arranged so that a swirling flow is likely to occur in the rice washing tank 5.

When the rice is washed in the rice washing tank 5, the rotation directions of the large and small stirring rods 35, 35 ... Provided on the rotating shaft 34 in the rice washing tank 5 and the water ejection direction from the lower water supply route are opposite to each other. It is desirable to configure it so that it becomes.

Next, the operation of the rice cooker will be described.

First, in the control unit of the computer outside the figure, the rice cooking device operation such as rice cooking amount, rice washing time (rotation time of stirring rod 35), rice polishing time (rotation time of stirring rod 35), immersion time in rice washing tank or kettle, etc. The conditions necessary for the above are set by the operation panel (operation display device) 80 arranged in the lower half portion 23a of the front side wall of the cover member 23. A liquid crystal display screen 81 is provided, and the above conditions necessary for rice washing and rice cooking can be set while displaying and guiding the operation functions and operation procedures of the surrounding switch group 82.

The operation of the above example will be described.

When the power switch is turned on, the rice cooking conditions are set according to each operation of the operation panel 80, various rice cooking conditions are set, and then the start switch is turned on, the operation is started as shown in the rice cooking flow shown in FIG.

That is, first, the power switch is turned on (step 1), then the rice cooking condition is set and input (step 2), and when the start switch 75 is pressed (step 3), the rice in the rice storage tank 4 is weighed with the weighing drum in step 4. Then, a set amount of rice is supplied to the rice washing tank 5, and the rice is washed in step 5.

The rice washing step of step 5 is a rice bran removing step of stirring rice while dripping water, a rice polishing step of once supplying water and then draining and stirring the rice in a wet state, a rough rinsing step of stirring rice at a predetermined water level, and a tank of water. It consists of a finishing rinsing process that stirs while overflowing.

Following the rice washing step of step 5, the process proceeds to the water-adjusting treatment step of step 6. In step 7, the washed rice in the rice washing tank 5 and the weighed water in step 3 are dropped into the rice cooker 7 by opening and closing the rice discharge valve 139.

In step 8, the rice in the rice cooker 7 is immersed in water for a specified time. After the lapse of the specified time, ignition is performed in step 9, rice is cooked in step 10, steaming is performed in step 11, and the rice is cooked in step 12 to complete a predetermined rice cooker.

Regarding the dipping step, FIG. 11 describes that the dipping step is performed in the rice cooking kettle 7, but the dipping step may be performed in the rice washing tank 5 and then dropped into the rice cooking kettle 7 through a water adjustment treatment step.

Before turning on the start switch, the reservation screen can be output by operating the reservation switch, and the cooking time can be set to the reserved time to cook at the scheduled time.

Further, in the above embodiment, the amount of water is gradually reduced from the full state of the rice washing tank by opening the water level valve 65 to secure a predetermined amount of water. It may be a managed configuration.

The blower fan 70 is continuously driven during the rice washing operation after the start switch is turned on, but is configured to be driven for a predetermined time even after the rice cooking operation. With this configuration, the inside of the rice washing tank 5 can be dried after the rice cooking operation is completed. After the rice cooking operation, the state of the drain valve 64 and the drop valve 39 when the blower fan 70 is driven is set so that the drop valve 39 is closed and the drain valve 64 is open. Therefore, the air blown by the blower fan 70 is introduced from the extension pipe portion 62c and enters the upper side of the rice washing tank 5 through the horizontal pipe portion 62a, while entering the lower side of the rice washing tank 5 through the vertical pipe portion 62b and the drainage box 60. Therefore, the drying efficiency can be improved with respect to the air supply from only the upper side.

Since the drainage box 60 of this embodiment is provided on the side of the rice washing tank 5 (on the right side in the example of FIG. 1), it is easy to maintain the drainage box 60. Further, if the pot lid opening / closing arm 81, which will be described later, moves in the left-right direction and is configured to be located directly below the drainage box 60 in the lid open posture (FIG. 13), it does not interfere with the attachment / detachment of the rice washing tank 5.

Regarding the rice cooker 7, in FIG. 14, the rice cooker 7 is provided with a medium-high shape rice cooker lid 32 having a high central portion by closing the container 31 and the main body opening of the container 31 so as to be detachable. A supply hole 32h is formed in the central portion, and a slide shutter 33S as a supply hole opening / closing means is attached so as to be openable and closable so as to close the supply hole 32h.

The slide shutter 33S is provided so as to be slidable along the guide rails 33a and 33a in the horizontal and left-right directions, and by opening the supply hole 32h, rice and water to be added or removed from the rice washing tank 5 are put into the rice cooker 31. In the slide shutter 33S, the hook lid opening / closing arm 81 can engage the knob 32c at the center of the rice cooker 32 to open / close the supply hole 32h by controlling the left / right movement, and the slide shutter 33S can open / close the supply hole 32h in the lid open posture as described above. Is configured to be located directly below the drainage box 60.

Next, the configuration in which the rice washing in the rice washing process is improved by including the microvalve in the water to be supplied will be described.

As shown in FIG. 15, a tubular microvalve generator unit 81 in which the microbubble generator 81a is incorporated is detachably connected to the main water pipe 46. The micro-bubble generator unit 81 is integrally formed with the water faucet 80, and the micro-bubble generator 81a is provided on the downstream side of the water faucet 80.

The micro-bubble generator unit 81 is provided with attachment / detachment tools 81b at the upper end and the lower end, respectively, and has a configuration in which the attachment / detachment tool 81b can be attached / detached to / from the main water pipe 46, respectively. Further, the micro-bubble generator unit 81 is arranged between the left and right columns 1b and between the cross rail 1c and the cover member 23, and in FIG. 15, the water faucet 80 is shown backward for convenience. It is desirable for operation to turn diagonally forward. The micro-bubble generator 81a is supported by the support 82, and the support and the micro-valve generator 81a are detachably configured by a tool.

The microbubble generator 81a is a known technique in which microbubbles (microbubbles) enter water when water passes through them.

The water containing the microbubbles passing through the microbubble generator 81a of the present embodiment passes through the upper water supply route and the lower water supply route and enters the rice washing tank 5.

In the rice washing step of the present embodiment, water is supplied from the lower water supply route into the rice washing tank 5 and the rice is washed by the rotational action of the stirring rod 35. This makes it possible to promote the removal of bran and other dust adhering to the surface of rice by the action of microbubbles contained in water. The same applies to the rice polishing process and the rinsing process. In the dipping step when the rice washing step is performed in the rice washing tank 5, water is supplied from the upper water supply route. Specifically, a predetermined amount of water is supplied at set time intervals (for example, every 3 minutes). In the dipping step, the stirring rod 35 is in a stopped state. At this time, since the micro valve easily acts on the inner wall of the rice washing tank 5, it becomes difficult for the rice to adhere to the inner wall of the rice washing tank 5, and when the rice in the rice washing tank 5 is dropped into the rice cooking pot 7 after the water adjustment treatment step, It is possible to prevent residual rice from adhering to the rice washing tank 5. Further, when the microbubbles enter between the rice, the rice and the rice are easily separated from each other, and the dipping action is improved.
For the water adjustment treatment step after the dipping step, water is supplied from the lower water supply route. Similar to the dipping step, it is possible to prevent residual rice from adhering to the rice washing tank 5.
FIG. 16 is another embodiment in which the micro-bubble generator 81a is attached to the water supply hose 51a of the lower water supply pipe 53.

3 Partition member 4 Rice storage tank 5 Rice washing tank 10 Measuring part 23 Cover member 70 Blower fan 62 Overflow pipe A Space part B Ventilation part (extension pipe part 62c)
C Cavity W Opening 71 Controller 73 Reticulated body 74 Reticulated body 80 Water faucet 81 Microbubble generator unit 81a Microbubble generator

Claims (2)

By installing a micro bubble generator (81a) that generates micro bubbles when water passes in the middle of the water supply route that supplies water to the rice washing tank (5), a rice washing process for washing rice and immersing the rice are performed. A rice washing device characterized by supplying microvalves to each of the dipping process and the watering process for supplying water to the rice. The micro valve generator (81a) is a micro bubble generator unit (81) integrated with a water faucet (80), and the micro bubble generator unit (81) is detachably configured with respect to the main water distribution pipe (46). The rice washing device according to claim 1, wherein the rice washing apparatus is to be used.

Images