JPH064858Y2 - Steamed rice cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a steamed rice cooker for steaming grains.

(Prior Art) A configuration in which a primary steaming process, a dipping process, and a secondary steaming process communicate with each other.

(Problems to be solved by this invention) However, since steam having a high temperature in the soaking step enters the steaming step side in the above means, the humidity of the surface of the grain layer in the steaming step becomes high. Therefore, when steam is supplied from the lower side of the cereal layer, a heating temperature difference occurs between the upper layer portion and the lower layer portion, which causes variations in quality due to uneven steaming.

(Means for Solving the Problem) The present invention provides a steamed rice cooker with less variation in quality, and has taken the following technical means.

That is, the primary steaming chamber having the primary steaming means for exposing the grains to the high temperature steam, the immersion chamber having the immersion means for immersing the grains exposed to the high temperature steam in the high temperature water, and the grains absorbing the high temperature water are exposed to the high temperature steam. A secondary steaming chamber having a secondary steaming means is provided in that order, and the primary steaming chamber, the dipping chamber and the secondary steaming chamber are made to be substantially independent chambers by the air blown downward, and each chamber is exhausted. The steamed rice cooker is configured so that it can communicate with each other.

(Operation) Grains to be treated are exposed to high-temperature steam by the primary steaming means of the primary steaming chamber and then immersed in high-temperature water by the immersion means of the immersion chamber to be absorbed. Then, the grain that has absorbed the high-temperature water is exposed to high-temperature steam by the secondary steaming means in the secondary steaming chamber. In this rice cooking operation, the steam or the like generated in the primary steaming chamber, the dipping chamber, and the secondary steaming chamber formed in the substantially independent chambers by the air blown downward is exhausted by the exhaust means.

(Effect) The steam that accumulates in the upper part of the primary steaming chamber and the secondary steaming chamber does not become over-humidified, so that there is less uneven steaming of the grains, so that the quality can be improved and the commercial value can be increased.

(Embodiment) An embodiment of the present invention will be specifically described below with reference to the drawings.

First, the configuration will be described. The steamed rice cooker 1 includes a primary steaming chamber having a primary steaming means A, a dipping chamber having a dipping means B, and a secondary steaming chamber having a secondary steaming means C. The grain subjected to the primary steaming treatment is soaked in the high temperature water of the dipping means B to absorb the water, and then the secondary steaming treatment is performed to cook the rice.

The primary steaming means A is provided with a large number of ventilation holes and is rotatably provided, and a steam chamber 3 provided in a space portion between the conveying section B and the non-conveying section B of the endless belt 2. Is equipped with. The steam chamber 3 is open at the upper surface and is close to the lower surface of the transfer section B, and a plurality of steam chambers 3 are continuously provided in the transfer direction of the grain. And, in each of the steam chambers 3, about 1 downward
A steam pipe 4 is provided for discharging low-pressure saturated steam at 00 ° C. Further, above the transporting end portion of the endless belt 2, there is provided a discharging body 5 having a plurality of discharging rods whose front ends approach the upper surface of the transporting portion a when rotating in the direction of the arrow, and the dipping tank ( (Not shown) is preliminarily soaked for about 60 minutes, the soaked grain sent from this soaking tank via an appropriate means (for example, a conveyor) is stored, and a grain tank 7 having a shutter 6 at the bottom is installed. is doing.

Next, the dipping means B is provided with a water storage tank 8 for storing hot water of about 85 ° C., and a grain transportation device 11 which is configured to be rotatable by providing transportation plates 10 on the endless belt 9 at predetermined intervals.

The secondary steaming means C has a transport start end near the guide end of the water storage tank 8 and a transport end near a conveyer (not shown) for transporting to the next means and has a plurality of ventilation holes and is rotatable. The endless belt 12 is provided in the endless belt 12, and a plurality of steam chambers 13 are continuously provided in the space direction between the conveying section C and the non-conveying section D of the endless belt 12 in the conveying direction. Further, each of the steam chambers 13 is provided with a steam pipe 14 for discharging low pressure saturated steam of about 100 ° C. downward. The steam discharged from the steam pipe 14 is heated to about 130 ° C. through a heating means (not shown) such as an elephine heater.

Reference numeral 15 denotes a stirring member rotatably provided at the conveyance start end portion of the endless belt 12, and 16 denotes a scraping member rotatably provided at the conveyance end portion of the endless belt 12, each of which is a conveyance unit when rotated in the left-right direction. It is provided with rods 15a and 16a approaching the upper surface of c.

Reference numeral 17 denotes an air chamber having a discharge port for discharging air downward, and is provided above the discharge body 5 on the front side, on the rear side above the stirring body 15 and on the front side above the scraping body 16. The outlets of the air chambers 17 are arranged in the left-right direction so as to discharge the air over substantially the entire width of the endless bodies 2 and 12 in the left-right direction, and each air chamber 17 is fanned via a conduit 18. It is provided so that it can communicate with 19.

The steamed rice cooker 1 has front and rear, left and right sides and a ceiling, which are surrounded by a frame 20 which is detachably provided on a frame, in a substantially hermetically sealed manner. The primary steaming means A, the dipping means B, and the secondary steaming means C are provided.
An exhaust hole 22 communicating with the fan 19 via a guide tube 21 is provided in the ceiling in the middle part of the above. The fan communicating with the exhaust hole 22 of the immersion means B communicates with the outside of the machine, and the exhaust is configured to be discharged outdoors.

In the embodiment shown in FIG. 3, a partition plate is provided in which the upper end portion is detachably attached to the ceiling wall instead of the air chamber of the above embodiment and is rotatable in the grain conveying direction, and the lower end portion approaches the endless belt 2. 23 are provided. The partition plate 23 may be formed of a flexible plate body such as rubber or synthetic resin. When the partition plate 23 is used, the exhaust hole 22 communicates with a fan that communicates with the outdoors.

Next, the operation will be described. First, when the shutter 6 is opened, the grains stored in the tank 7 (hereinafter,
In this example, rice. ) Drops from the lower layer and is transported to the transport section a of the endless belt 2 and transported in the direction of the arrow. Then, during this transportation, the rice is subjected to primary steaming treatment by being exposed to low-pressure saturated steam of about 100 ° C. which floats up from the steam chamber 3 through the ventilation holes. Then, the rice that has reached the transport end of the endless belt 2 is sent into the water storage tank 8 by the rotating discharge body 5 and then transported to the secondary steaming means C side by the transport plate 10 of the grain transport device 11. During this time, it absorbs water by immersing it in high temperature water of approximately 85 ° C. After that, the rice supplied from the water storage tank 8 onto the endless belt 12 is heated to about 130 ° C., and is subjected to the secondary steaming treatment by being exposed to the low-pressure saturated steam rising from the steam chamber 13 through the ventilation holes. While being transported to the next means side. Then, the cooked rice that has reached the conveying end portion of the endless belt 12 is smoothly scraped by the scraping body 16 onto the conveyor of the next means. It should be noted that, at the transport start end, the agitator 15 brings the sticky rice discharged from the water storage tank 8 toward the transport end side, so that stagnation at the transport start end can be prevented.

In this steaming and cooking work, steam that has been steamed in the vicinity of the ceiling by the primary steaming means A is exhaust hole 22 and guide tube 2
1 is drawn by the fan 19 through the conduit 18
It is fed into the air chamber 17 via and then discharged to the transport surface side of the endless belt 2. Further, in the immersion means B, the vapor remaining near the ceiling is exhausted to the outside by the fan 19 via the exhaust hole 22 and the guide tube 21. Next, in the secondary steaming means C, the steam that has been steamed near the ceiling is sucked into the fan 19 through the exhaust hole 22 and the guide pipe 21, and then, from the fan 19 through the respective conduits 18. It is sent to the air chamber 17. And this exhaust steam is in the air chamber 1
The sheet 7 is discharged from the endless belt 12 to the conveying surface side. Therefore, since the respective means become the primary steaming chamber, the dipping chamber and the secondary steaming chamber which are almost independent by the steam discharged from the enclosure plate 20 and the air chamber 17, the steam having high humidity generated in the dipping means B is the primary steaming means. It is possible to prevent the steam from entering the A side and the secondary steaming means C side and reduce the steaming unevenness. And endless belts 2, 1
Since the upper surface of the grain layer conveyed by 2 can be prevented from cooling due to a decrease in the ambient temperature, the difference in heating temperature between the upper layer and the lower layer can be reduced and the quality can be improved. Also, the air chamber 17
Since the steam discharged from the high temperature exhaust steam is used,
Since the temperature of the upper surface of the grain layer does not drop so much and the steam used for steaming is cleaned by a steam cleaner (not shown), it is possible to prevent foreign matter from entering.

In the embodiment of FIG. 3, since the partition plate 23 smoothes the upper surface of the cereal layer, the secondary steaming means C can reduce the variation in steaming of cereals and improve the quality.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a partially cutaway side view, FIG. 2 is a perspective view of an air chamber, and FIG. 3 is a partially cutaway side view of another embodiment. FIG. 4 is a partially cutaway side view of the conventional device.

Claims (1)

[Scope of utility model registration request] 1. A primary steaming chamber having a primary steaming means for exposing a grain to high temperature steam, an immersion chamber having a soaking means for immersing the grain exposed to a high temperature steam in high temperature water, and a high temperature for a grain absorbing high temperature water. A secondary steaming chamber having secondary steaming means for pouring steam is provided in that order, and the primary steaming chamber, the dipping chamber, and the secondary steaming chamber are made to be substantially independent chambers by the air supplied downward. A steamed rice cooker in which the chamber is provided so that it can communicate with the exhaust means.