JPS6366259B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a grain conditioning tank that heats grain while circulating it.

As a conventional grain conditioning tank, for example, the first
There is something like the one shown in the figure. In the figure, 1 is a tank main body, and inside 2 of this tank main body 1 grains 3 such as rice and wheat are stored.A lift conveyor 4 is installed on the outside of the tank main body 1. Grain 3 in the tank body 1 is circulated by a lift conveyor 4. That is, lift conveyor 4
The upper part 7 of the housing 6 housing the conveyor body 5 is connected to the top opening 9 of the tank body 1 via a duct 8, and the lower part 10 is connected to the bottom opening 12 of the tank body 1 via a duct 11. The grains 3 taken out from the bottom opening 12 through the duct 11 to the lower part 10 of the housing 6 are conveyed to the upper part 7 by the conveyor body 5, and from the upper part 7 through the duct 8 to the top opening 9 into the tank body 1. It is starting to return to . In addition, the lift conveyor 4 has a partition body 18a made of an iron plate having a shape corresponding to the locus of the conveyor body 5, and a lower part of the conveyor body 5 at the bottom part 18 of the housing 6.
It is covered with. Furthermore, the top opening 9
is formed at the center of the top wall 13 so that the grain 3 that is circulated and supplied into the tank body 1 through the top opening 9 does not form a shape depending on the angle of repose within the tank body 1. , the grain 3 is allowed to fall into the center of the interior 2 of the tank body. and,
A duct 17 of a humidifier 16 is connected to the vicinity of the top 15 of the side wall 14 of the tank body 1, and moisture is supplied from there into the tank body 1 to humidify the circulating grains 3. It is heated using a heater (not shown).

However, in such conventional grain tempering tanks, the grain 3 is dropped and circulated into the interior 2 of the tank body 1 through the top opening 9 formed at the center of the top wall 13 of the tank body 1. Therefore, grains 3 falling from the top opening 9 may form an inclination within the tank body 1 due to the angle of repose, making the surface 19 uneven, and in some cases, the humidification efficiency may decrease. Since the distance between 9 and the lift conveyor 4 located at the center of the top wall 13 is large, and the angle of the duct 8 is constant in relation to the falling of the grains 3, the upper part of the lift conveyor 4 must be set long. If the temperature of the grain 3 and the atmospheric temperature at the top of the tank body 1 are significantly different, condensation and water condensation will occur in the tank body 1, resulting in the increase in the size of the lift conveyor 4. This resulted in unevenness and shell cracking. Furthermore, if the bottom opening 12 of the tank body 1 is left open, the amount of grain 3 that is circulated on the lift conveyor 4 through the bottom opening 12 cannot be controlled. It is also known that a shutter operated via a solenoid is provided in the bottom opening 12 to regulate the degree of opening of the bottom opening 12, but this makes the structure complicated and expensive, as well as making the operation complicated. Furthermore, once the grains 3 heated and humidified inside the tank body 1 are taken out to the lift conveyor 4 outside the tank body 1 and circulated inside the tank body 1, the grains 3 are heated and humidified inside the tank body 1. The grains 3 cool while passing through the lift conveyor 4, which has an atmosphere different from the atmosphere inside the tank body 1, and dew condensation occurs inside the housing 6 of the lift conveyor 4. The dew condensation adhered to the side wall of the housing 6, preventing uniform humidification of the grains 3 and, in some cases, causing shell cracks in the grains 3. Furthermore, the lift conveyor 4
Since the housing 6 has a bottom portion 18 that covers the lower part of the conveyor body 5 with a steel plate partition 18a having a shape corresponding to the locus of the conveyor body 5, condensation does not form inside the housing 6 of the lift conveyor 4. When this occurs, the bottom 18 of the housing 6, in particular the partition 1
Condensation water accumulates on the top 8a, and the bottom 18, especially the top of the partition 18a, becomes soaked with water, and the grains 3 on the partition 18a also get soaked, which has an adverse effect on the grain 3. Furthermore, the bottom 18, especially the partition 18a Partition body 1
There have been various problems in that unnecessary materials such as rice bran tend to accumulate on the surface 8a, and it is difficult to remove and clean the unnecessary materials, and it is also difficult to inspect the work.

This invention was made by focusing on these conventional problems, and aims to reduce the size of the lift conveyor by shortening the upper part thereof, and at the same time, it supplies grain uniformly into the tank body and prevents uneven grain surface area. It eliminates ivy slopes and can supply sufficient moisture without causing dew or water condensation inside the top of the tank body.
In addition, it is possible to control the amount of grain that circulates, and it is also possible to prevent condensation and water condensation within the lift conveyor, and to prevent the lower part of the lift conveyor from becoming soaked with water.The lower part of the lift conveyor can be easily cleaned and inspected. The purpose is to provide refining tanks for

Specifically, in the grain conditioning tank of the present invention, the structure is such that the tank body includes a rotating body that receives and uniformly disperses grains falling from the top opening in the top part, and the rotating body. It is equipped with a truncated cone-shaped partition plate placed below the tank for even grain fall and to form a moisture supply space, and an infrared heater placed inside the top of the tank body and inside the partition plate, and a link mechanism in the bottom opening. The lift conveyor is equipped with a shutter for regulating the degree of opening that can be moved vertically through the conveyor, and a heater for preventing dew condensation placed in the grain feeding path, and a receptacle for storing condensed water that can be pulled out at the bottom. By providing this, the above-mentioned conventional problems are solved.

The present invention will be explained below based on the drawings.
In addition, in the following, parts common to the conventional one are given the same reference numerals, and redundant explanations will be omitted.

FIGS. 2 to 5 are diagrams showing an embodiment of the present invention. That is, a rotating body 20 is provided in the top 15 of the tank body 1 to receive the grains 3 falling from the top opening 9 and to uniformly disperse them. This rotating body 20
is disk-shaped with a radial guide portion 22 on its upper surface 21, and is supported by a bearing 24 disposed at the center of the top wall 13 via a shaft 23. The shaft 23 is connected to a rotating shaft 29 of a motor 28 disposed on the top wall 13 via a pulley 25, a belt 26, and a pulley 27 outside the tank body 1.
At 8, the rotating body 20 is driven to rotate. Then, the rotating body 20 is opened from the top opening 9.
The grains 3 that have fallen onto the top surface 21 are reliably uniformly dispersed around the tank body 1 by the rotation of the rotating body 20 and the presence of the radial guide portion 22, and are returned to the tank body 1 from the lift conveyor 4. Grain 3
There is a sloped surface part 1 in the center of the inside 2 of the tank body 1.
9 is prevented from forming, and the surface portion 19 is made as flat as possible. Therefore, the top opening 9 does not need to be located at the center of the top wall 13;
Here, the top opening 9 is disposed close to the lift conveyor 4 to shorten the length of the upper part of the lift conveyor 4, thereby reducing the size of the lift conveyor 4. Furthermore, a substantially truncated conical partition plate 29 is disposed at the bottom of the rotating body 20 so that the grains 3 from the rotating body 20 fall evenly to make the surface portion 19 of the grains 3 even more flat. At the same time, the tank body 1
In order to supply moisture into the tank body by supplying humid air from a so-called "humid air supply device" 44 that uses an ultrasonic transmitter (not shown) to atomize water and transport it by air into the top part 15 of the tank. A space 41 is formed. The partition plate 29 has an upper part 30 tapered so as to receive the grains 3 and allow them to fall evenly, and a lower part 31 formed of mesh material into a cylindrical shape.
The supply port 32 of the duct 17 is connected to the partition plate 2
Humid air is supplied into the chamber 9. Therefore, by supplying humid air to the space 41 formed by the partition plate 29, sufficient moisture can be easily and reliably supplied into the tank body 1. Furthermore, in this embodiment, inside the top wall 13 of the tank body 1 and the partition plate 2
By disposing an infrared heater 33 in the tank body 9 to heat the upper space of the tank body 1, it is possible to eliminate the difference between the atmospheric temperature of the space and the grain temperature and prevent condensation and water condensation within the tank body 1. , to achieve uniform humidification and to prevent grain cracking. Next, the bottom opening 1 of the tank body 1 is opened.
2 is provided with a resistor 34 and a shaft 35. In the resistor 34, the grain 3 is the tank body 1.
This is to prevent the bridging phenomenon that is likely to occur when the container is taken out from the bottom opening 12 of the container, and has an umbrella shape and is fixed with its top facing upward. Further, the inside of this resistor 34 is in communication with the inside of the tank body 1 through a mesh portion 36, and the inside of this resistor 34 and a blower 37 located outside the tank body 1 are communicated through an exhaust duct 38. The air inside the tank body 1 can be forcibly discharged.
The blower 37 forcibly sucks in and exhausts the inside of the tank body 1 through the top duct 38, thereby actively promoting the supply of humid air into the space 41 and blowing the humid air to the tank body 1. It has a function of bringing it into contact with the whole grain 3. Furthermore, the resistor 34
A fixed skirt 39 is integrally provided at the lower part of the fixed skirt 39, and the skirt-shaped shutter 35 is provided in an internal space of the fixed skirt 39. The shutter 35 is supported by a pantograph-shaped link mechanism 40 so as to be movable up and down, and the link mechanism 40 can be operated by moving an operating lever 42 protruding from the tank body 1 forward and backward. In the figure, 43 indicates a roller, 45 a guide, and 46 a fixed point. Therefore, the operating lever 4
2 to operate the link mechanism 40, the shutter 35 moves up and down due to the operation of the link mechanism 40, regulating the degree of opening of the bottom opening 12 and controlling the amount of grain 3 passing therethrough. As a result, the amount of grain 3 that circulates can be easily controlled in accordance with the degree of opening. A lift conveyor 4 circulates the grains 3 taken out from the bottom opening 12 of the tank body 1 back to the top opening 9.
grain feeding route, specifically the side wall 47 of the housing 6,
A so-called ribbon heater 4 is used as a heater to prevent condensation.
8 is attached to heat the inside of the grain feeding route. Therefore, even if the grain 3 that has been humidified and heated inside the tank body 1 is circulated on the external lift conveyor 4, the inside of the lift conveyor 4 forming the grain feeding path is heated by the ribbon heater 48. This prevents the grain 3 from cooling down and causing dew condensation inside the housing 6.

The mounting position and mounting range of the ribbon heater 48 within the grain feeding path are not limited to the example shown in the drawings, and may be freely mounted on the side wall 4 of the housing 6 of the lift conveyor 4.
It may be attached not only to ducts 7 but also to ducts 8 and 11. That is, in the above and below explanations,
"Grain feeding route" is lift conveyor 4, duct 8, 1
It is used as a wide range of terms including 1st class.
Furthermore, the heating conditions of the ribbon heater 48 are as follows:
The temperature atmosphere is made to be the same as or close to the internal temperature atmosphere, and care is taken so that the temperature atmosphere inside the tank main body 1 and the inside of the grain feeding route are not extremely different. As a heater for preventing connection, the ribbon heater 4 is used.
Of course, it is not limited to 8. Grain 3 is taken out from the bottom opening 12 of this tank body 1.
A mesh-like partition 49 is disposed at the bottom of the lift conveyor 4 that circulates the water back to the top opening 9, specifically, inside the bottom 18 of the housing 6, and a receptacle 50 for storing condensed water can be pulled out below the partition 49. I am trying to set it up. Therefore, even if condensation occurs inside the housing 6, the condensed water passes through the mesh-like partition 49 and is stored in the saucer 50, and when the appropriate amount is reached, the saucer 50 is pulled out to remove the condensed water. Just throw it away. In addition, unnecessary materials such as bran are allowed to fall into the saucer 50 through the mesh-like partition 49 and taken out.
Cleaning becomes easy, and if the saucer 50 is pulled out,
The inside of the lift conveyor 4 can be inspected through the opening.

As explained above, the grain conditioning tank of the present invention has various effects as listed below.

(A) A rotating body is provided in the top of the tank body to receive and evenly disperse the grains falling from the top opening, and a rotating body is provided at the bottom of the rotating body to evenly drop the grains from the rotating body, and a rotating body is provided inside the top of the tank body. Since the partition plate has a substantially truncated conical shape that forms a space for supplying moisture to the top wall, grains can be dispersed by the rotating body even if the top opening is not located at the center of the top wall. By bringing the opening closer to the lift conveyor and shortening the upper part of the lift conveyor, the lift conveyor can be made smaller.Also, grain can be uniformly supplied to the tank body using the rotating body and partition plate, and as a result, the grain inside the tank body can be Since the surface area is almost uniform, the humidification efficiency is improved, and since the partition plate forms a space for moisture supply, the moisture supply is facilitated, further improving the humidification efficiency. can be done.

(B) Infrared heaters are placed inside the top of the tank body and inside the partition plate, which heats the upper space of the tank body and prevents condensation inside the tank body due to the difference between the atmospheric temperature of the space and the grain temperature. It is possible to reliably prevent water condensation, improve humidification efficiency, and prevent the occurrence of body cracks and the like.

(C) A shutter that can be moved up and down via a link mechanism is provided at the bottom opening of the tank body, and the shutter can regulate the opening degree of the bottom opening, so the opening degree of the bottom opening can be regulated at low cost with a simple structure. do,
The amount of grain passing through the bottom opening and thus the amount of grain circulating can be controlled, and the shutter can also be easily operated.

(D) A heater is installed to prevent condensation on the grain conveyor, which includes a lift conveyor for grain circulation installed outside the tank body. Even though the grain is taken out and circulated on the lift conveyor outside, it is possible to prevent the grain from cooling down by heating it with the heater as it passes through the lift conveyor and duct, and as a result, the grain feeding path including the lift conveyor It is possible to prevent dew condensation inside the container, thereby making it possible to further uniformly humidify the grain, and to prevent the grain from cracking.

(E) We decided to install a removable tray at the bottom of the lift conveyor installed vertically in the tank body, which can store the condensed water inside the lift conveyor, so that even if condensation occurs inside the lift conveyor, it will not be collected in the tray. It prevents the lower part of the lift conveyor from getting soaked with water, which prevents any negative impact on the grain. Also, unnecessary materials such as bran can be stored in the tray for easy removal and cleaning, and even the tray can be pulled out. It is also possible to easily inspect the work through the opening.

[Brief explanation of drawings]

Fig. 1 is a schematic cross-sectional view showing a conventional grain tempering tank, Fig. 2 is a schematic cross-sectional view equivalent to Fig. 1 showing an embodiment of the present invention, and Fig. 3 shows the rotating body and partitions of Fig. 2. FIG. 4 is an enlarged cross-sectional view of the shutter portion of FIG. 2, and FIG. 5 is an enlarged cross-sectional view of the lower part of the lift conveyor of FIG. 2. 1...Tank body, 3...Grain, 4...Lift conveyor, 9...Top opening, 12...Bottom opening,
15... Top, 18... Housing bottom, 20...
... Rotating body, 29 ... Partition plate, 35 ... Shutter,
40...Link mechanism, 41...Space, 50...Saucer.

Claims (1)

[Scope of Claims] 1. Grain in the tank body is circulated by taking it out from the bottom opening of the tank body and returning it into the tank body from the top opening using a lift conveyor installed outside the tank body that stores the grains. In addition, in a grain tempering tank that supplies moisture into the tank body from near the top of the tank body to humidify the tank body, the tank body receives grains falling from the top opening into the top and disperses them uniformly. It is equipped with a rotating body, a truncated cone-shaped partition plate placed below the rotating body for evenly falling grain and forming a moisture supply space, and an infrared heater placed inside the top of the tank body and inside the partition plate. In addition, the lift conveyor is equipped with a shutter for regulating the degree of opening that can be moved up and down via a link mechanism at the bottom opening, and a heater for preventing dew condensation placed in the grain feeding path, and a drawable heater placed at the bottom. A grain conditioning tank characterized by comprising a saucer for storing condensed water.