JP3404582B2 - Water circulation device in germination machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water circulating device for a germination machine in which seed rice is soaked in warm water to promote germination, and the warm water in the tank is circulated from the bottom to the top.

[0002]

2. Description of the Related Art A sprouting machine equipped with a tank for immersing seed paddy in hot water and a hot water circulating device for circulating the hot water in the tank while heating is disclosed in Japanese Utility Model Publication No. 61-29213 or Japanese Utility Model Publication No. 63-13. In this type of germination machine, hot water to be circulated is sprayed on the upper surface of the tank in the form of a shower.
-24071.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
In the germination machine described in Japanese Patent Publication No. 071, hot water is sprinkled in the form of a shower from a pipe-shaped shower head located on the upper surface of the tank, so that oxygen in the air can be taken in to some extent to the circulated hot water. At the same time, the circulation unevenness of the hot water can be reduced to some extent. However, in general, the germination tank is
In order to facilitate the work of taking in and out the seed paddy packed in the net bag, it is necessary to open the upper surface widely. Therefore, as described in Japanese Utility Model Publication No. 61-24071,
In conventional budding machines, the pipe-shaped shower head can spray hot water only in a very limited area, and the hot water in the tank can be evenly circulated, and sufficient oxygen in the air can be taken in. It couldn't be done. For this reason, the conventional germination device has a problem that uneven germination is likely to occur in the seed rice packed in the tank due to the temperature difference and the lack of oxygen in the hot water in the tank.

Therefore, the present invention is intended to solve such problems in the germination machine, and provides a sprinkler portion for sprinkling water over a wide area corresponding to the upper surface of the tank to supply warm water for circulation to the tank. By sprinkling water on the upper surface in a diffused manner, the hot water in the tank is circulated evenly throughout the entire tank, and the oxygen in the air is sufficiently taken in by widespread water spraying to promote the germination of the seed rice packed in the tank evenly. In addition, a water circulation device in a germination machine that can perform the work of putting in and out seed rice in and out of the tank by turning a wide range of sprinkling parts corresponding to the upper surface of the tank to a position retracted from the upper surface of the tank The purpose is to provide.

[0005]

In order to achieve the above object, the present invention is configured as follows. That is, the first configuration is a germination machine comprising a tank for immersing seed paddy in hot water and a water circulation device for circulating the hot water in the tank from its bottom to its upper surface, and sucking hot water in the tank from its bottom. The pumping section for pumping water is equipped with a spraying section consisting of a spraying head having a wide range of spraying surfaces.The spraying section can be turned between a position corresponding to the upper surface of the tank and a position retracted from the upper surface of the tank .
Is an electric heater to heat the hot water and the hot water to the set temperature.
It is a water circulation device in a germination machine equipped with a temperature sensor to keep it.

The second construction is the construction of the first construction, in which the water sprinkling portion is turnable with respect to the water pumping portion at the connecting portion between the water pumping portion and the water sprinkling portion, and the water sprinkling portion is on the upper surface of the tank. It is provided with a turning mechanism having a stopper function for locking at a position corresponding to and a position retracted from the upper surface of the tank.

Further, the third configuration is the first or second configuration.
In those configurations, the wall upper surface on the sprinkler head, Misao
It is provided with a control panel for controlling the temperature of hot water, which is provided with a work button and an indicator .

Generally, in the germination of seed paddy, disinfection by dipping in a chemical solution as a pretreatment for germination in hot water,
After the disinfection, soaking is performed by immersing in relatively low temperature water, and as a post-treatment for germination to prevent germination by immersing in cold water at room temperature or below, hot water in the present invention means those pre-treatments and post-treatments for germination. It is a typical concept that includes treated water.

[0009]

According to the water circulation device in the germination apparatus of the present invention, the pumping section for sucking hot water in the tank from its bottom and pumping the water is provided with the spraying section having a wide spraying surface. The hot water sucked from the bottom and circulated to the upper surface is widely spread on the upper surface of the tank by the water sprinkling section. Therefore, the hot water in the tank circulates substantially evenly over the entire tank, and the temperature of the hot water does not vary. Further, since hot water is widely and diffusely dispersed on the upper surface of the tank, a large amount of oxygen in the air is taken into the warm water in the process. On the other hand, the water sprinkling part having a widespread water sprinkling surface is configured so that it can be turned freely between the position corresponding to the upper surface of the tank and the position retracted from the upper surface of the tank. In order to facilitate the work, the sprinkler is turned to a position retracted from the upper surface of the tank.

In the present invention, the water sprinkling portion corresponds to the upper surface of the tank by providing the turning mechanism having the stopper function for locking the water sprinkling portion at the position corresponding to the upper surface of the tank and the position retracting from the upper surface of the tank. It is possible to surely make a turn to a position to be turned on and a position to be retracted from the upper surface of the tank.

In the present invention, the water absorption pipe communicating between the bottom of the tank and the pumping unit is sealed and fixed to the outside of the wall of the tank with the packing interposed, so that the water absorption pipe is attached to the outside of the tank. Therefore, the work of sealing and fixing the water absorption pipe can be easily performed.

[0012]

Embodiments of the present invention will be described with reference to the drawings. 1 to 3, reference numeral 1 is a germination machine,
Is composed of a tank 2 for storing hot water and soaking seed paddy, and a water circulation device 3 for circulating the hot water in the tank 2 from its bottom to its upper surface. The water circulation device 3 is a pumping section 4 for sucking hot water in the tank 2 from its bottom and pumping it.
And, the water sprinkling portion 6 having a wide range of water sprinkling surface 5 is provided on the upper part of the water pumping portion 4. A suction pump (not shown) is built in the lower part of the pumping section 4, and a suction pipe of the suction pump is connected to a water suction pipe 7 disposed at the bottom of the tank 2 so that the suction side of the suction pump and the sprinkler of the suction pump are sprinkled. A flexible pipe 9 is connected to the water supply pipe 8 of the portion 6. A drainboard 10 is placed on the bottom of the tank 2 to partition the bottom water circulation section and the seed padding section.

A turning mechanism 12 is interposed at a connecting portion 11 between the pumping section 4 and the sprinkling section 6 of the water circulating device 3, and the sprinkling section 6 is provided.
The turning mechanism 12 is capable of turning to a position corresponding to the upper surface of the tank 2 and a position retracting from the upper surface of the tank 2. As shown in detail in FIGS. 4 and 5, the turning mechanism 12 is configured between the upper end surface 14 of the exterior body 13 of the pumping section 4 and the lower end surface 16 of the exterior body 15 of the sprinkling section 6. That is, the spherical body 18 of the stopper 17 provided on the lower end surface 16 of the exterior body 15 of the water sprinkling section 6 is pressed against the upper end surface 14 of the exterior body 13 of the pumping section 4, and the exterior body 13 of the pumping section 4 is The upper end surface 14 is provided with a recess (not shown) for locking the water sprinkling portion 6 at a position corresponding to the upper surface of the tank 2 and at a position retracted from the upper surface of the tank 2, and the water sprinkling portion 5 is arranged on the upper surface of the tank 2. When it is turned to a position corresponding to the above position and a position retracted from the upper surface of the tank 2, it is locked at each position. Reference numeral 19 denotes a compression spring, which elastically supports the spherical body 18. A short cylindrical portion 20 penetrates through the center of the stopper 17, and the flexible tube 9 is passed through the cylindrical portion 20. Although the angle at which the water sprinkling portion 6 is turned to a position retracted from the upper surface of the tank 2 is approximately 90 degrees at the position corresponding to the upper surface of the tank 2, the angle is not necessarily limited thereto.

The water absorption pipe 7 arranged at the bottom of the tank 2 is
As shown in FIG. 6, a lock nut 21 is attached to the inside of a portion that penetrates the wall of the tank 2, and a tightening nut 23 is attached to the outside of the portion to seal and fix the packing 22. A strainer 24 is connected to the tip of the water absorption pipe 7.

The nozzle unit 6 having a wide range of watering surfaces 5, portions having a nozzle face 5 has no sprinkling f head 25, the sprinkler head 25, Tomejiku the exterior body 15 integral with the stay 26 27 It is attached so that the front and rear tilt can be adjusted. 28 is a set screw. An electric heater 29 and a temperature sensor 30 are provided on the lower surface of the upper wall of the water sprinkling head 25, and a control panel 31 equipped with operation buttons and indicators is provided on the upper wall of the water sprinkling head 25. Watering head 2
5 is provided with an overflow pipe 32, and the overflow pipe 32 serves as a water sprinkling head 25.
The height is set so that the water does not overflow in any range of the front-back inclination angle. The flexible pipe 9 connected to the water supply pipe 8 of the water sprinkling unit 6 is removable, and the outer casing 15 of the water sprinkling unit 6 can be opened and closed by the hinge 33. Therefore, the outer casing 15 can be opened and the flexible pipe can be opened. By removing 9 from the water supply pipe 8 and directing it downward, the drainage of the tank 2 can be performed by the pumping section 4. In this case, an extension tube may be added to the flexible tube 9.

According to the germination machine 1 according to the above-described embodiment, the pumping section 4 for sucking hot water in the tank 2 from its bottom and pumping the water is provided with the sprinkling section 6 having a wide spraying surface 5. Therefore, the hot water that is sucked from the bottom of the tank 2 and circulated over the upper surface is widely spread by the water sprinkling portion 6 on the upper surface of the tank. For this reason, the hot water in the tank 2 circulates evenly over substantially the entire area thereof, and the temperature unevenness of the hot water does not occur. By adjusting the front-back inclination angle of the sprinkling head 25, it is possible to adjust the spraying range of the hot water on the upper surface of the tank 2. Since the electric heater 29 and the temperature sensor 30 are provided in the water sprinkling head 25 of the water sprinkling unit 6, the hot water circulating as described above is heated in the circulation process and kept at the set temperature. The temperature of the hot water is set on the control panel 31, and the temperature is displayed.

Further, since hot water is widely spread on the upper surface of the tank 2 from the water spray surface 5 of the water spray section 6, a large amount of oxygen in the air is taken into the hot water in the process. This contributes to the promotion of germination of seed rice and the prevention of uneven germination.

Since the water sprinkling portion 6 having a wide range of water sprinkling surface 5 is constructed so as to be freely turnable between a position corresponding to the upper surface of the tank 2 and a position retracting from the upper surface of the tank 2,
When the seed rice packed in the net bag is taken in and out of the tank 2, the work can be easily performed by turning the water sprinkling portion 6 to a position retracted from the upper surface of the tank 2. Further, since the stoppers 17 for locking the water sprinkling portion 6 at the position corresponding to the upper surface of the tank 2 and the position retracting from the upper surface of the tank 2 are provided, the water sprinkling portion 6 is at the position corresponding to the upper surface of the tank 2. And the position retracted from the upper surface of the tank 2 can be surely locked, and there is no risk that the sprinkling part 6 will be carelessly turned during the operation of putting in and out the seed pad, and the work can be performed safely and without hindrance. it can.

The water suction pipe 7 that connects the bottom of the tank 2 and the pumping unit 4 is sealed and fixed by mounting the tightening nut 23 from the outside with the packing 22 interposed on the outside of the wall of the tank 2. The work of attaching the water absorption pipe 7 to the tank 2 can be easily performed from the outside of the tank 2.

In the germination by the germination machine 1 according to the present invention, as a pretreatment for germination which is soaked in warm water, disinfection is soaked in a chemical solution and soaking seeds which are soaked in relatively low temperature water after the disinfection are carried out, and post-treatment for germination is carried out. As a bud stop, it is immersed in cold water at room temperature or below. For example, disinfection is 1
The seedlings should be kept in cold water (tap water) below room temperature after being sprouting for 3 hours in 3 ° C. chemical solution for 24 hours, 13 ° C. in water for 3 days, and 32 ° C. warm water for 15 to 20 hours. It is performed by soaking for 1 hour. After stopping the buds, dry them in a well-ventilated place and complete a series of germination work.

[0021]

According to the present invention, the hot water in the tank is circulated evenly throughout the tank, and the oxygen in the air is sufficiently taken in by sprinkling water over a wide range.
Germination of the seeds packed in the tank can be promoted evenly, and it is easy to put the seeds in and out of the tank by diverting a wide range of sprinklers corresponding to the top surface of the tank to a position that retracts from the top surface of the tank. The effect that can be done is obtained.

[Brief description of drawings]

FIG. 1 is an overall perspective view in which a part of a germination machine according to the present invention is cut away.

FIG. 2 is a perspective view showing a part of FIG.

FIG. 3 is an enlarged cross-sectional view showing a part of FIG.

FIG. 4 is a perspective view in which a part of the turning mechanism is cut away.

5 is a cross-sectional view of FIG.

FIG. 6 is a cross-sectional view showing a sealing and fixing structure of a water absorption pipe.

[Explanation of symbols]

1 germination machine 2 tanks 3 Water circulation device 4 Pumping section 5 Widespread water surface 6 Sprinkler 7 Water absorption pipe 8 water supply pipe 9 Flexible tube 10 Slaters 11 Connection 12 Turning mechanism 13 Exterior of pumping section 14 Top surface 15 Exterior of sprinkler 16 Bottom surface 17 Stopper 18 Spherical body 19 Compression spring 20 Cylindrical part 21 Lock nut 22 Packing 23 Tightening nut 24 strainers 25 watering head 26 stay 27 stop shaft 28 Set screw 29 Electric heater 30 temperature sensor 31 control panel 32 Overflow pipe 33 hinges

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) A01C 1/02

Claims (3)

(57) [Claims] 1. A budding machine comprising a tank for immersing seed paddy in hot water and a water circulation device for circulating the hot water in the tank from its bottom to its top surface, and a pumping section for sucking hot water in the tank from its bottom and pumping it. to comprise a nozzle unit comprising a sprinkler head having a wide range of nozzle face, the nozzle unit is freely turning respectively to the position retracted from the top position and the tank corresponding to the upper surface of the tank, the hot water in the watering head Electric heater for heating and
A water circulation device in a germination machine, which is provided with a temperature sensor for keeping hot water at a set temperature . 2. The connection between the pumping section and the sprinkling section is such that the sprinkling section can be turned with respect to the pumping section, and the sprinkling section is located at a position corresponding to the upper surface of the tank and at a position retracted from the upper surface of the tank. The water circulation device in a germination machine according to claim 1, further comprising a turning mechanism having a stopper function for locking. 3. An operation button is provided on the upper surface of the upper wall of the watering head.
The water circulating device in the germination machine according to claim 1 or 2, further comprising a control panel for controlling the temperature of the hot water, which is equipped with an indicator, an indicator, and the like .