JP5191561B2 - Hot water disinfection method of seed potato - Google Patents

Description

The present invention relates to hot water sterilization method for hot water disinfecting seeds and have use of the hot water disinfection apparatus of seeds to kill or inactivate pathogens soaked in warm water to rice seeds.

In the seed pods, pathogens such as blast fungus, filamentous fungus, seedling blight fungus, sesame leaf blight fungus, brown streak fungus, and rice bran bacterial fungus are attached to the surface or lurking between the rice husk and the peel. Conventionally, by immersing a predetermined time seeds to hot water of a predetermined temperature, a pathogen killing or inactivation (hereinafter, referred to as disinfection) to device hidden between or chaff and pericarp attached to the surface of the seeds, immersion hot water The process of stuffing seed pods into a seed jar for soaking, the process of immersing the seed pod in warm water together with the seed pod container, the process of immersing the seed pod soaked in hot water in cold water together with the seed potato container, draining the cooled seed potato from the seed potato container As a hot water disinfection device for seed potatoes that performs a series of steps to take out, those described in JP 2006-42745 A, JP 2006-158302 A, JP 2005-52023 A, and JP 2005-328723 A are known. It has been.

  Moreover, a hot water disinfection device for seed potatoes that suspends a seed potato container containing seed potatoes with a self-propelled crane and puts it in and out of a hot water tank is disclosed in JP-A-11-318118, JP-A 2002-325505, JP-A 2003-235308, It is described in JP-A-2004-90 and JP-A-2004-290011.

JP 2006-42745 A JP 2006-158302 A JP 2005-52023 A JP 2005-328723 A JP-A-11-318118 JP 2002-325505 A JP 2003-235308 A JP 2004-90 Gazette JP 2004-290011 A

  In the conventional hot water disinfection device for seed potatoes described in Patent Documents 1 to 4 or Patent Documents 5 to 9 described above, a work area where the seed potatoes are packed in a seed potato container, and the seed potatoes after the hot water disinfection processing are finished. Since the work area where the work is taken out from the soot container is separated from each other, the work area over two places and the worker enter and exit from the location in the building where the hot water disinfection device for the soy sauce is installed The building with the hot water disinfection device for seed potatoes cannot be used effectively, and it is necessary to place workers in the two work areas separately from where the work areas are separated. In addition, problems such as inefficiency in work behavior of workers have been pointed out.

Accordingly, the present invention is to solve such a conventional problem, and is a hot water disinfection method for disinfecting seed varieties using a hot water disinfection device that is easy to arrange in a building, and has a small number of workers. It is an object of the present invention to provide a hot water disinfection method for seed potatoes that can efficiently carry in and out the seed potato container.

In order to achieve the above object, a first feature of the present invention resides in a method for sterilizing hot water of seed pods by immersing the seed pods in hot water to kill or inactivate pathogenic bacteria as follows.
A hot water tank dipping the seeds in warm water, is composed of a cold water tank dipping the seeds in cold water soaked in hot water, and rice seed container water-permeable housing the seeds, an automatic conveying device for lifting and moving the seeds container, wherein hot water Yes in the tank and cold water tank is arranged in the movement path of the seeds container by automatic conveying device, one end of said automatic conveying device, provided with a work area for unloading and transferring the seeds container into the movement path of the seed rice container A hot water sterilization method for seed potatoes using a hot water sterilizer, wherein the work area is provided with a work table capable of arranging two seed potato containers in the front-rear direction with respect to the automatic transfer device. About half of the rear side protrudes backward from the movement path of the seed container of the automatic transfer device, and the seed container placed behind the work table is moved forward and inserted into the movement path of the seed container. Configured to, said hung the seeds container in the work area by an automatic conveying device and a hot water disinfection treatment in the hot water tank, then the cooling process in the cold water tank, the work area side outward moving start point, it is characterized by controlling the cold water tank so that the forward path of the moving end point.

In order to achieve the above object, a second feature of the present invention resides in a method for sterilizing hot water of seed pods that immerses the seed pods in hot water to kill or inactivate pathogenic bacteria as follows.
A hot water tank dipping the seeds in warm water, is composed of a cold water tank dipping the seeds in cold water soaked in hot water, and rice seed container water-permeable housing the seeds, an automatic conveying device for lifting and moving the seeds container, wherein hot water Yes in the tank and cold water tank is arranged in the movement path of the seeds container by automatic conveying device, said automatic conveying device, work area, a hot water disinfection device configured for single line reciprocating path over the hot water tank and cold water tank on This is a method for disinfecting the hot water of the soot seed. The work area is provided with a work table on which two of the soy container can be placed side by side in the front-rear direction with respect to the automatic transfer device. The seed vat container of the automatic transfer device protrudes backward from the movement path, and the seed vat placed on the rear side of the work table is moved forward and inserted into the movement path of the seed vat container. Form movement, said the automatic conveying device by the working area in the seeds container hot water disinfection treatment with suspended to the hot water tank, then the cooling process in the cold water tank, the outward path and the working area side starting, the cold water tank to the forward of the moving end point, backward is characterized by controlling so that the cold water tank to move the starting point, the moving end point of the work area side.

The third feature of the present invention resides in the following configuration in the hot water disinfection method for seed potatoes according to the first or second feature of the present invention.
Along a moving path of the seeds container by automated transporter, the work area, you a hot water disinfection treatment to cool handle seeds with hot water sterilizing apparatus arranged in the order of hot water tank and cold water tank.

According to the first feature of the present invention, by using a hot water disinfection device provided with a work area for loading and unloading the seed vat container in the moving path of the seed vat container on one end side of the automatic transfer device for moving the seed vat container up and down, Arrangement in the building is easy, and the work area by the workers can be integrated into one place, and operations such as loading and unloading of the soy container can be performed efficiently with a small number of workers.

According to the second feature of the present invention, the soot container moves on the single wire reciprocating system path, Since the configuration is simple, there is no delay in the progress of work and it is possible to easily perform efficient work. it can.

According to the third feature of the present invention, the “effect of the invention” described in the previous section is provided in the same manner as the first feature of the present invention. In addition, the following “effect of the invention” is provided.
According to a third aspect of the present invention, for example, the cold water immersion time and hot water immersion time and is different from a case, can be moved between the work area and the cold water tank seeds container during hot water immersion time Thus, efficient work can be performed .

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole perspective view which shows the hot water disinfection apparatus of the seed lees concerning one embodiment used for this invention. It is a front view same as the above. It is a front view which shows the aspect which lowered | hung the same kind soot container in the hot water tank. It is a front view which shows the hot water disinfection apparatus of the seed lees concerning the 1st another form of implementation used for this invention.

FIG. 1 is an overall perspective view showing a hot water disinfection device for seed potatoes according to an embodiment used in the hot water sterilization method of the present invention, FIG. 2 is a front view of the same, and FIG. 3 is a state in which the same seed potato container is lowered into a hot water tank. FIG. 4 is a front view showing a hot water disinfection apparatus for seed potato according to another embodiment of the present invention.

Hot water disinfection apparatus 1 of rice seed that is used in hot water disinfection method of the present invention, the hot water tank 2 to immerse the seeds in hot water, cold water tank 3 soaking seeds soaked in hot water to cold water, the water-permeable housing the seeds seeds It is comprised with the container 4 and the automatic conveying apparatus 5 which lifts and moves the seed vat container 4 up and down.

  The hot water tank 2 and the cold water tank 3 are arranged side by side on the movement path of the seed vat container 4 by the automatic transport device 5, and the seed vat container 4 is carried into the movement path of the seed vat container 4 on one end side of the automatic transport device 5. A work area 6 for carrying out is provided. The work area 6 is provided with a work table 7 on which two seed vats 4 can be placed side by side in the front-rear direction with respect to the automatic transfer device 5. The seed soot container 4 which has come out rearward from the moving path of the container 4 and is placed behind the work table 7 can be inserted into the moving path of the seed sowing container 4 by the automatic transfer device 5 by moving it forward by a manual push operation. It can be done. The working area 6, the hot water tank 2 and the cold water tank 3 arranged in the movement path of the seed container 4 by the automatic conveying device 5 are arranged in that order, and the hot water tank 2 and the cold water tank 3 are connected to each other. The support legs of the automatic transfer device 5 are fixed to the hot water tank 2 and the cold water tank 3.

  The automatic transfer device 5 is reciprocated by a drive chain 9 suspended in the direction of the movement path of the seed vat container 4 on a frame 8 straddling the movement path of the seed vat container 4 arranged in the order of the work area 6, the hot water tank 2 and the cold water tank 3. The moving carriage 10 is configured to move, and an elevating mechanism 11 that is mounted on the moving carriage 10 and lifts and lowers the seed vat container 4. The drive chain 9 is suspended between a sprocket 12 provided at an end portion on the cold water tank 3 side and a sprocket 13 located on an end portion on the work area 6 side. Are connected to the front and rear of the movable carriage 10, and the carriage 10 moves in the forward or backward direction on the rail 14 by the rotation of the drive chain 9. A drive motor 15 transmits power to the sprocket 12.

  The automatic transfer device 5 that lifts and moves the seed vat container 4 in this way constitutes a single-line reciprocating path over the work area 6, the hot water tank 2, and the cold water tank 3. And the cold water tank 3 side as the forward movement end point, and the work area 6 side as the backward movement end point.

  The automatic transfer device 5 lifts and lowers the seed container 4 in the order of the hot water immersion treatment position by the hot water tank 2, the cooling process by the cold water tank 3, and the return process to the work area 6 by suspending the seed container 4 in the work area 6. Position sensors 16, 17, and 18 are provided at positions corresponding to the work area 6, the hot water tank 2, and the cold water tank 3 on the gantry 8, respectively. A control mechanism for automatically stopping the mobile carriage 10 at the respective fixed positions by the position sensing operation of the mobile carriage 10 by 17 and 18 is configured. The position sensors 16, 17 and 18 are configured by providing a plurality of switches at the control position of the mobile carriage 10.

  The moving carriage 10 is equipped with the lifting mechanism 11 as described above, and a hanging hook 19 of the seed container 4 is attached to the lower end of the lifting mechanism 11. Reference numeral 20 denotes a lift drive motor which is mounted on the movable carriage 10. The hanging hook 19 of the lifting mechanism 11 is formed with an opening 21 that opens in the return direction of the movable carriage 10 and a hanging groove 23 that guides the hanging arm 22 of the seed container 4 to a certain hanging position. It is what. Therefore, the soot container 4 hung from the opening 21 on the hanging hook 19 is hung to a fixed position by the hanging arm 22 being guided by the hanging groove 23, and inadvertent detachment is prevented.

In performing hot water hot water disinfection seeds by hot water disinfection apparatus 1 of rice seed that is used in the disinfection process of the present invention, the temperature control to keep the water or hot water was strung hot water tank 2 to a predetermined temperature. The cold water tank 3 is filled with cold water, and is circulated and cold water management is appropriately performed to replenish cold water. The seed potato to be sterilized is packed in a net bag or directly put in the seed potato container 4 on the work table 7 in the work area 6, and the hanging hook 19 of the lifting mechanism 12 is lowered and moved in accordance with the hanging arm 22 of the seed potato container 4. rise after having hooked by the movement of the backward path direction of the carriage 10 by hanging the rice seed container 4. Then, the movable carriage 10 is moved from the work area 6 onto the hot water tank 2, the seed vat container 4 is lowered into the hot water tank 2 and the seed meal is immersed in the hot water, and the movable carriage 10 is returned to the work area 6.

  Next, when the hot water immersion treatment time in the hot water tank 2 elapses, the movable carriage 10 returned to the work area 6 is moved from the work area 6 onto the hot water tank 2 and the seed container 4 is lifted up to be placed on the cold water tank 3. The seed container 4 is lowered into the cold water tank 3 and immersed in the cold water, and the movable carriage 10 is returned to the work area 6 again.

  If the hot water immersion time in the hot water tank 2 is set to 10 minutes and the cold water immersion time in the cold water tank 3 is set to 5 minutes (normally, the hot water immersion time is preferably 10 minutes and the cold water immersion time is preferably 5 minutes) The time required for soaking the hot water in the hot water and in the cold water is 15 minutes. When the preceding seed container 4 moves to the cold water tank 3, the hot water tank 2 becomes empty, so another seed container 4 that follows the preceding seed container 4 while the preceding seed container 4 continues soaking in the hot water tank 2. In the work area 6, the seed stuffing work has been completed on the work table 7, and the preceding seed container 4 is moved to the cold water tank 3 and returned to the work area 6, followed by the work area 6. The seed container 4 is moved to the hot water tank 3 and immersed in hot water.

  As described above, since the soaking time of the soot seed is twice as long as that of soaking in the cold water, the soaking time of the preceding soot container 4 passes while the sowing seed container 4 is continuing soaking in the hot water tank 2, so The preceding seed vat container 4 is pulled up from the cold water tank 3 by the moving carriage 10 returning to the area 6 and moved to the work area 6, and the seed vat after the immersion is taken out and prepared for the next hot water immersion (the seed vat before the immersion). Finish the stuffing work). And since the hot water immersion time by the hot water tank 3 of the seed vat container 4 to be followed after the preceding seed vat container 4 is moved to the work area 6 has elapsed, the seed vase to be followed by the movable carriage 10 returning to the work area 6 The container 4 is moved to the cold water tank 3 and immersed in cold water, and the movable carriage 10 is returned to the work area 6.

  Next, the preceding seed vat container 4 already filled with seed vats is moved to the hot water tank 2 and immersed in hot water. The movable carriage 10 is returned to the work area 6 from the position of the hot water tank 2.

  Next, since the sowing seed container 4 following the cold water immersion by the cold water tank 3 has passed the cold water soaking time, the moving seed truck 4 is moved from the work area 6 to the cold water tank 3 and the succeeding sowing container 4 is set in the work area 6. To take out the seeds and prepare for the next hot water immersion. Hereinafter, by repeating this operation using the two seed vat containers 4, the hot water disinfection operation for the seed vase can be continued.

Hot water disinfecting device 1 Oite of seeds that are used in hot water disinfection method of the present invention, an automatic conveying device 5 for lifting and moving hung the seeds container 4, the work area 6, hot water tank 2 and the cold water tank 3 above Because the work area 6 side is the forward movement start point, the cold water tank 3 side is the forward movement end point, and the work area 6 side is the return movement end point. The movement path of the seed vat container 4 is one system and is used for the forward path and the return path. However, the hot water soaking time is generally longer than the cold water soaking time, and by effectively utilizing the elapsed time difference between the hot water soaking and the subsequent cold water soaking of the soot and the required time difference between them, 4 can be moved between the cold water tank 3 and the work area 6 which are farthest from each other, and the loss of work time due to the movement can be reduced. Moreover, even if the configuration itself is simple, such as a single wire reciprocating path, there is no delay in the progress of the work, and the work can be performed easily and efficiently.

In the hot water first alternative embodiment of the sterilizing apparatus 1 of the rice seed that is used in hot water disinfection method of the present invention, as shown in FIG. 4, the dehydration container centrifugal dehydrator (not shown) in place of the seed rice container 4 24 can be used. The dehydration container 24 has a bottom surface 25 forming a porous surface and can be opened downward. In the configuration shown in FIG. 4, the dehydration container 24 is suspended and moved by a hoist 26. Other configurations are the same as those shown in FIGS.

In the hot water second alternative embodiment of the sterilizing apparatus 1 of the rice seed that is used in hot water disinfection method of the present invention, if rice seed container 4 even water-permeable, deformable bag-shaped ones and possible foldable container, such as But it ’s okay.
Further, if there is an automatic conveying device 5 of the mobile and the lifting function, it is not limited only to the specific forms and of the first alternative form [invention forms condition for carrying out, for example, lifting and moving Those whose functions are shared by different devices, those that convey the seed vat container 4 by conveyor, those that guide the seed vat container 4 to a desired position, and support the seed vat container 4 by sandwiching it or supporting it from below, A member that moves up and down to a desired position may be used.

DESCRIPTION OF SYMBOLS 1 Type hot water disinfection apparatus 2 Hot water tank 3 Cold water tank 4 Seed container 5 Automatic conveyance device 6 Work area 7 Work table 8 Stand 9 Drive chain 10 Moving cart 11 Lifting mechanism 12 Sprocket 13 Sprocket 14 Rail 15 Drive motors 16, 17, 18 Position sensor 19 Hanging hook 20 Lifting drive motor 21 Opening 22 Hanging arm 23 Hanging groove 24 Dehydrating container 25 Bottom face 26 Hoist

Claims (3)

In order to kill or inactivate pathogens by soaking seed buds in warm water,
A hot water tank for immersing the seed potato in hot water, a cold water tank for immersing the seed potato immersed in the hot water in cold water, a water-permeable seed potato container for accommodating the seed potato, and an automatic transfer device for moving the seed potato container up and down, A hot water tank and a cold water tank are arranged side by side in the path of movement of the soot container by the automatic transport device, and a work area is provided on one end side of the automatic transport device to carry the seed container in and out of the path of movement of the soot container Is a method for disinfecting hot water of seed potatoes using a hot water disinfection device,
The work area is provided with a work table on which two seed sow containers can be placed side by side in the front-rear direction with respect to the automatic transport device, and the rear half of the work table has a movement path of the seed soak container of the automatic transport device. The seed vat container placed behind the work table is configured to be moved forward and inserted into the movement path of the seed vat container,
The automatic transfer device suspends the seed vat container in the work area, performs hot water disinfection processing in the hot water tank, then performs cooling processing in the cold water tank, and moves the work area side to the movement start point of the outward path, A hot water disinfection method for seed potatoes characterized in that the cold water tank side is controlled to be the end of movement of the forward path. In order to kill or inactivate pathogens by soaking seed buds in warm water,
A hot water tank for immersing the seed potato in hot water, a cold water tank for immersing the seed potato immersed in the hot water in cold water, a water-permeable seed potato container for accommodating the seed potato, and an automatic transfer device for moving the seed potato container up and down, A hot water tank and a cold water tank are arranged side by side in the path of movement of the seed vat container by the automatic transfer device, and the automatic transfer device is a hot water disinfection device that constitutes a single-wire reciprocating path over the work area, the hot water tank and the cold water tank. It is a method of disinfecting the hot water of the used soy sauce,
The work area is provided with a work table on which two seed sow containers can be placed side by side in the front-rear direction with respect to the automatic transport device, and the rear half of the work table has a movement path of the seed soak container of the automatic transport device. The seed vat container placed behind the work table is configured to be moved forward and inserted into the movement path of the seed vat container,
The automatic transfer device suspends the seed vat container in the work area, performs hot water disinfection treatment in the hot water tank, and then performs cooling treatment in the cold water tank. A method for disinfecting hot water in a soot seed, characterized in that the cold water tank side is set as a movement end point, and the return path is controlled with the cold water tank side as a movement start point and the work area side as a movement end point.   Along with the movement path of the seed vat container by the automatic transfer device, the hot water disinfection treatment is performed on the seed vat using the hot water disinfection device arranged in order of the work area, the hot water tank, and the cold water tank. The method for disinfecting hot water of seed potato according to claim 1 or 2.

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