JP2008164198A - Seed drying equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To sterilize seed by hot water, to cool the seed by cold water, and to dry the seed, efficiently. <P>SOLUTION: A hot water sterilizing tank 1, a cooling tank 2 and a drying chamber 3 are successively disposed from an upstream side toward a downstream side, conveying means 5, 6, 7, 41a are disposed to successively and continuously convey the seed put in air-permeable containers 8, 41b from the upstream side toward the downstream side of the hot water sterilizing tank 1, the cooling tank 2 and the drying chamber 3, and hot water sterilizing work, and cold water cooling work and drying work, are continuously performed without replacing the seed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a drying apparatus that dries seed sterilized by being immersed in warm water or the like.

In a seed sterilizer, a hot water tank and a cold water tank that immerse seed potatoes are arranged in parallel, and a porous seed potato container that contains seed potatoes is suspended on a crane and immersed in a hot water tank or immersed in a cold water tank. Known (Patent Document 1).
JP 2006-230270 A

  In the above-mentioned conventional apparatus, the seed culm that has been sterilized with hot water and cooled with cold water must be transferred to, for example, a dehydrator and drained and dried, and the seed sterilization, cooling, and drying cannot be performed continuously, and the work efficiency does not increase. There was a problem that. Therefore, the present invention is intended to solve such a problem.

  The invention of claim 1 is provided with a draining chamber part (3a) for ventilating and drying in the drying chamber (3) and a drying chamber part (3b) for drying with hot air, and a seed container with air permeability (see FIG. 8) is provided with a conveying means (7) for conveying, and the conveying means (7) is provided with an air-permeable conveying and conveying belt and passes through the draining chamber (3a) and the drying chamber (3b). A seed drying apparatus characterized by this.

  According to the above configuration, the air permeable seed container (8) containing the seeds is passed through the draining chamber portion (3a) and the drying chamber portion (3b) by the conveying means (7) including the air permeable conveying belt. And dry.

  The invention of claim 2 is characterized in that a draining chamber portion (3a) for drying and drying the upper side of the drying chamber (3) and a drying chamber portion (3b) for drying the lower side of the drying chamber by warm air are provided. 1. A hot water disinfection and drying device for seeds as described in 1.

  According to the said structure, the seed accommodated in the seed container (8) currently conveyed in the drying chamber (3) is ventilation-dried in the upper drainage chamber part (3a), and drained and dried, and the lower drying chamber is carried out. The part (3b) is dried with warm air.

  According to the first aspect of the present invention, since the seed container (8) in which seeds are stored can be continuously conveyed to the drying chamber (3) to perform the drying operation, the work efficiency can be improved. In addition, since both the seed container (8) and the conveyor belt are breathable, it is possible to apply ventilation and warm air uniformly to the seeds in the seed container (8), and to reduce drying unevenness. .

  According to the invention of claim 2, in addition to the effect of the invention of claim 1, the seed contained in the air-permeable seed container (8) is air-dried in the upper drainage chamber (3a) to be drained and dried. Since the drying chamber (3b) on the lower side is dried with warm air, the drying efficiency of the seeds can be increased.

Hereinafter, a hot water disinfection and drying apparatus for seeds will be described based on an embodiment shown in the drawings. FIG. 1 is a process diagram of a hot water disinfection and drying apparatus.
The hot water disinfection and drying device sequentially arranges the hot water disinfection tank 1, the cooling tank 2, and the drying chamber 3 from the upper side toward the lower side. The hot water disinfection tank 1 is provided with a first conveyor 5 constituted by a transport belt made of a breathable mesh material. The first conveyor 5 includes an upper high position conveyor section 5a that conveys a high position on the upper side, a middle low section conveyor section 5b that conveys the bottom of the hot water disinfection tank 1 in the middle section, and a high position on the lower side. It is comprised by the lower side high position conveyor part 5c which conveys.

  Further, a hot water boiler 19 is disposed in the vicinity of the hot water disinfection tank 1, the hot water returned from the hot water return pipe 19a is heated by the hot water boiler 19, and the upper side of the hot water disinfection tank 1 is passed through the hot water supply pipe 19b. The hot water in the tank is kept at a predetermined temperature to maintain a high sterilization effect.

  According to the above configuration, the seed pod packed in the mesh-shaped seed bag 8 from the seed culm weighing device (not shown) is supplied to the upper side high-position conveyor unit 5a and conveyed, and then the middle low-level conveyor unit The seed bag 8 is conveyed and immersed in the lower part of the hot water disinfection tank 1 by 5b and disinfected for a predetermined time with, for example, 60 ° C. hot water, and then transported to the lower-side high-position conveyor unit 5c and pulled up for draining. Then, it is conveyed to the cold water tank 2 in the next process.

  The cold water tank 2 is provided with a second conveyor 6 constituted by a transport belt made of a breathable mesh material. The cold water in the cold water tank 2 is returned to the cooling device 9 via the return pipe 9 a and cooled by the cooling device 9. Later, it is sent to the upper side portion of the cold water tank 2 through the delivery pipe 9b, and the cold water in the cold water tank 2 is maintained at a predetermined temperature. The second conveyor 6 includes an upper-side low-position conveyor section 6a that conveys the bottom of the cold water tank 2 and a lower-side high-position conveyor section 6b that conveys a high position. When the seed bag 8 containing seed pods is dropped into the cold water tank 2 from the position conveyor unit 5c, it is received by the upper side low position conveyor unit 6a and is conveyed to the lower side while being immersed in the cold water. Then, it is transferred to the lower high position conveyor 6b, drained, drained, and reliably and quickly cooled, and transferred to the drying chamber 3 in the next step.

  A cold water receiving tank 10 for receiving cold water drained from the seeds of the seed bag 8 is provided below the lower high position conveyor section 6b of the second conveyor 2, and the cold water is returned to the cold water tank 2 by the return pump 10a. It is configured as follows.

  In the lower part of the drying chamber 3, a third conveyor 7 made of a transport belt made of a breathable mesh material is provided. The drying chamber 3 is partitioned into a draining chamber portion 3a on the upper side and a drying chamber portion 3b on the lower side by a partition wall 16, and the portion of the third conveyor 7 is communicated. A strong wind is pumped from the high-pressure blower 11 to the draining blower pipe 7b provided below the conveying surface of the draining conveyor unit 7a through the draining blower pipe 11a to the draining conveyor unit 7a located at the lower part of the draining chamber unit 3a. Dried air is blown toward the seed bag 8 placed on the mesh belt of the draining conveyor section 7a to drain the seed cake in the seed bag 8, and the wind after draining is exhausted by the exhaust fan 14 for draining water. It is configured to do.

  In addition, a drying chamber conveyor portion 7b of the third conveyor 7 is disposed below the drying chamber 3, and a discharge port 3j is provided at a lower part of the lower side of the drying chamber conveyor portion 7b. The discharge port 3j is openable and closable. Is provided with a discharge opening / closing door 3i that is always urged to the closed side, and the seed bag 8 conveyed to the lower side of the drying chamber conveyor 7b opens against the spring of the discharge opening / closing door 3i, and the discharge opening 3b When the seed bag 8 is discharged, it is transferred to the subsequent discharge conveyor 21 and discharged, and after the seed bag 8 is discharged, the discharge opening / closing door 3i is closed by a spring.

  In addition, a carry-in entrance 3k and a loading / unloading door 3m are also provided on the upper side of the draining chamber 3a. With the above-described configuration, the seed bag 8 can be carried in and out with the minimum opening and closing of the loading opening / closing door 3m and the discharging opening / closing door 3i, and the confidentiality of the drying chamber 3 can be enhanced.

  Moreover, warm air is sent to the lower part of the drying chamber conveyor part 7b from the ventilation fan 13 via the ventilation duct 13a, and the warm air is supplied to the seed bag 8 placed on the mesh material conveyor belt. The hot air after drying is exhausted by a drying exhaust fan 15.

  In the conventional apparatus, it is necessary to replace seeds in order to drain seeds that have been sterilized with hot water and cooled with cold water using a dehydrator, so that the disinfection, cooling and drying operation of seeds cannot be operated continuously, and the work efficiency does not increase. It was.

  However, according to the above configuration, hot water sterilization, cold water cooling and drying operations can be continuously performed by the mesh material conveyors 5, 6, and 7, and efficient and stable disinfection and drying operations can be performed.

In addition, the drying process can be divided into a water draining process and a hot air drying process to be performed continuously, thereby increasing the drying speed and improving the drying accuracy.
Further, as shown in FIG. 1, a sterilization filter 17 such as a fiber filter, a photocatalyst filter, or an activated carbon filter is attached to the suction portion of the blower fan 13 that sucks the air warmed by the heating device 12, and is sterilized. You may comprise so that the warm air which sent may be sent to the drying chamber conveyor part 7b from the ventilation duct 13a, and it blows and dry to the seed bag 8 in conveyance. By comprising in this way, even if seeds are sterilized by hot water sterilization, the problem that the sterilizing effect is lost by feeding air containing bacteria and germs in the subsequent process can be solved.

  Next, another embodiment of the third conveyor 7 in the drying chamber 3 will be described with reference to FIG. A third conveyor 7 is disposed below the drying chamber 3, and the upper end of the third conveyor 7 protrudes upward from the draining chamber 3 a of the drying chamber 3, and the lower end of the third conveyor 7. Projecting from the drying chamber 3b to the lower side. And the opening part 3e for carrying in is provided in the upper site | part of the 3rd conveyor 7 in the upper side part of the draining chamber part 3a, and the opening / closing door 3f for carrying in always biased to the closing side by the spring in the carrying-in opening part 3e The opening / closing door 3f for loading is pushed open against the spring by the seed bag 8 and sent to the draining chamber 3a. Further, the discharge opening 3g of the drying chamber 3b is provided with a discharge opening / closing door 3h always biased to the closed side, and the seed bag 8 pushes the discharge opening / closing door 3h against the spring to dry it. It is configured to be discharged from the chamber 3b.

  According to the said structure, the seed bag 8 can be carried in and out by the minimum opening and closing of the opening / closing doors 3f and 3h for carrying in / out, and confidentiality is maintained and drying efficiency is improved while the drying chamber 3 is made simple. Can be increased.

  Moreover, you may comprise as shown in FIG. A grain drying adjustment facility and a seed disinfection drying facility are installed side by side, and the rose kernel dried and adjusted from the chute pipe 24 of the grain adjustment facility is supplied to the weighing bagging device 23, weighed by the weighing unit 23a, and the bag The bag is packed in the stuffing portion 23b.

  Then, the lower end portion of the discharge conveyor 21 of the seed disinfection drying facility is inserted and disposed below the charging hopper 24a of the chute pipe 24, and the disinfected and dried seed bag 8 is transferred from the discharge conveyor 21 to the rose grain. The weighing bag filling device 23 passes through the weighing unit 23a, and the bag filling unit 23b packs the set number of seed bags 8 into the shipping bag 23c for shipment.

According to the said structure, the bag filling part 23b of a grain drying adjustment plant | facility can be effectively utilized, and the sanitized and dried seed bag 8 can be efficiently packed into the shipping bag 23c.
Next, another embodiment of the seed disinfection and drying apparatus will be described with reference to FIG.

  A grain adjustment tank 31, a hot water disinfection tank 32, a cold water tank 33, a draining room 34, a drying room 35, and a weighing bagging device 36 are arranged from the upper side to the lower side. The seed meal supplied to the load receiving hopper 31a is put into the grain adjustment tank 31 by the cereal transfer device 31b, and the seed meal is supplied from the flow rate adjustment tank 31 to the container 41.

  This container 41 is driven by a drive device (not shown) with wheels 41a,... And configured so that the traveling speed can be adjusted to a high or low level by a controller (not shown). It is configured in a rectangular box shape with a mesh material, and is configured such that liquid or gas flows into the seeds of the container part 41b in a form in which seeds are stacked in bulk.

  Further, as shown in FIG. 5, the draining chamber 34 is configured to send dry air to a large-capacity blower fan 34a to drain the water. Further, the drying chamber 35 is divided into an upper drying chamber portion 35a and a lower drying chamber portion 35b, and the warm air heated by the heating device 35d is sent from the blower fan 35c. A switching valve 34e is provided in the blower duct from the blower fan 35c so that air is blown to both the upper-side drying chamber 35a and the lower-side drying chamber 35b, or the upper-side drying chamber 35a and the lower-side drying chamber 35b. It is configured to be switchable to a state of blowing air to any one of the above. According to the said structure, various drying operations can be performed by changing the drying state of the drying chamber 35 variously, and various seed potatoes can be dried appropriately.

  According to the said structure, by moving the container 41 to the hot water disinfection tank 32, the cold water tank 33, the draining chamber 34, and the drying chamber 35, a series of operations of hot water disinfection, cold water cooling, draining drying, and hot air drying can be performed. Can be efficient.

Moreover, you may comprise the draining chamber 34 and the drying chamber 35 as shown in FIG.
Container transport conveyors 34n and 35n are provided at the bottoms of the draining chamber 34 and the drying chamber 35, and the container 41 is configured to be transported on the container transport conveyors 34n and 35n. (Omitted). In addition, an operator pushes the container 41 and transfers it to the container conveyance conveyors 34n and 35n.

  The container 41 in which the seeds are piled up is sterilized with hot water at a predetermined temperature in the hot water sterilization tank 32, cooled with cold water at a predetermined temperature in the cold water tank 33, and then transferred to the draining chamber 34. In the draining chamber 34, the container 41 is transported on the container transport conveyor 34n, and is blown and dried by a large amount of air by the blower fan 33a, and then transported to the drying chamber 35. In the drying chamber 35, the container 41 is transported in the container. It is carried on the conveyor 35n and dried by the hot air from the hot air blowing fan 35d. Next, the dried container 41 is conveyed to the weighing bag filling device 36. In the weighing bag filling device 36, the seeds in the container 41 flow down to the hopper 36a, are transported to the weighing tank 36c of the weighing bag filling device 36 by the cereal conveying device 36b, and are packed in the weighing bag by the weighing bag filling device 36c before shipment. Is done.

  Moreover, you may comprise the draining chamber 34 and the drying chamber 35 as shown in FIG. The drying chamber 35 is divided into an upper drying chamber portion 35a, a lower drying chamber portion 35b,..., And warm air warmed by the heating device 35d is blown from the blower fan 35cd through the switching valves 35e and 35f, The draining chamber 34, the upper-side drying chamber portion 35a, and the lower-side drying chamber portion 35b can be blown or stopped. Therefore, the plurality of draining chambers 34, the upper-side drying chamber portion 35a, and the lower-side drying chamber portion 35b are entirely dried or a part thereof is dried.

  According to the above configuration, by adjusting the hot air supply to the draining chamber 34, the upper-side drying chamber portion 35a, and the lower-side drying chamber portion 35b while confirming the draining state of the seed pod, moisture unevenness is eliminated and stable drying operation is performed. Can do.

Process diagram of hot water disinfection and drying equipment Side view of the third conveyor Cutting side view of drying chamber Side view of weighing bagging device Process diagram of hot water disinfection and drying equipment Process diagram of draining chamber and drying chamber Process diagram of draining chamber and drying chamber

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hot water disinfection tank 2 Cooling tank 3 Drying room 3a Draining room part 3b Drying room part 5 Conveying means (1st conveyor)
6 Transport means (second conveyor)
7 Conveying means (3rd conveyor)
8 Breathable seed container (seed bag)
41 Container 41a Conveying means (wheel)
41b Seed container (container)

Claims (2)

  In the drying chamber (3), there are provided a draining chamber portion (3a) for drying by ventilation and a drying chamber portion (3b) for drying with warm air, and a conveying means for conveying a breathable seed container (8) containing seeds. (7) is provided, and the transport means (7) includes a breathable transport and transport belt, and is configured to pass through the draining chamber (3a) and the drying chamber (3b). apparatus. The seed drying apparatus according to claim 1, wherein the drying chamber (3a) is a draining chamber (3a) for drying and drying the upper side of the drying chamber (3), and the drying chamber (3b) is for drying the hot air on the lower side.

Images