JPH046386A - Tank bottom valve opening and closing device in grain drying device - Google Patents

Abstract

PURPOSE:To strengthen the supporting constitution of a bottom valve and permit the smooth and sure opening and closing of the bottom valve by a method wherein a notched part is provided at one side of a spiral bottom supporting unit and the spiral bottom supporting unit is positioned in a gap between the outside surface of a collecting plate and the inside wall of a cooling tank. CONSTITUTION:Discharging transfer troughs 26, 26, accommodating discharging transfer screws 25, 25 for discharging grain flowing down from a cooling tank 5, are provided below the cooling tank 5 while bottom valves 27 are provided at the bottoms of the discharging transfer troughs 26, 26. One end of the bottom valve 27 is connected to the shaft 29 of a motor 28 and the other end of the same is pivoted about a shaft 30 supported by the side walls 5a of the cooling tank 5 through collecting plates 38a whereby the bottoms of the discharging transfer troughs 26, 26 can be opened. A notched part (e) is provided at one side of the spiral bottom supporting unit and the spiral bottom supporting unit 31' is positioned in a gap (d) between the outside surface of the collecting plates 38a and the inside walls 5b of the cooling tank 5.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Commercial Application] This invention relates to a tank bottom valve opening/closing device in a grain drying apparatus.

[Problems to be solved by conventional technology and invention] When discharging grains stored in a cooling tank, conventional dryers have a bottom valve that is supported by a helical bottom support that is pivoted on the side wall of the cooling tank. One end was supported, and the other end was attached by a member that was fixed to the other side wall of the cooling tank. However, when rotating this bottom valve, there is a problem in that if the receiver with the negative side fixed is supported by a member, the movement of the bottom valve will not be smooth, which will have a negative effect on the opening and closing operation of the bottom valve.

However, when the spiral is extended and the discharge position is set outside the tank, the support structure for the bottom valve that opens and closes a portion of the spiral bottom becomes complicated.

[Means to solve the problem]

In order to solve such technical problems, the technical means of the present invention includes a storage section 1, a flow from the storage section 1)) an aeration drying section for applying drying air to grains; A grain drying device includes a cooling tank 5 mounted on a grain drying section 4 consisting of a shield ring mechanism such as an elevator 14, etc., and a cooling tank 5 is placed at the bottom of the cooling tank 5 for discharging the grain that has flowed down. Discharge transfer helix 25,
A discharge transfer gutter 26.26 is provided, and a bottom valve 27 is provided at the bottom of the discharge transfer gutter 26.26.
7 has one end connected to the motor 28 shaft 29, and the other end connected to the latch plate 3.
By rotating around the fulcrum shaft 30 supported on the cooling tank 5 side M5a via M5a, the discharge transfer @26,2
6. The bottom part is configured to be openable, and one of the helical bottom support parts is provided with a cutout part E, and this helical bottom support part 31
The tank bottom valve opening/closing device in the grain drying apparatus is characterized in that the valve opening/closing device is located in the gap 2 between the outer surface of the latch plate 38a and the inner wall 5b of the cooling tank 5.

[Operations and Effects of the Invention] This invention provides the following features:
8a are respectively provided in a protruding state, and this abutment plate 3
8. The fulcrum shaft 3 extending from the motor shaft 29 using 38a
0, and the cooling tank 5 side walls 5a, 5b and the abutment plate 38
．． 38a, and secondly, the spiral support part 31.
31a are interposed between the helical bottom support parts 31 and 31a, respectively.
Since the upper end of is supported on both sides by the fulcrum shaft 30,
The supporting structure of the bottom valve is strengthened, and the opening and closing of the bottom valve 27 is performed smoothly and reliably.

In addition, since the helical bottom support part 31a is provided with a notch, it does not interfere with the long helix, and a part of the helical bottom can be opened and closed easily.However, the strength is weakened due to the notch. The flow of grain toward the supporting portion 31a is prevented by the abutting plate 38a, and no damage occurs.

〔Example〕

An embodiment of this invention will be described based on the drawings.

The figure shows the grain drying and preparation equipment, with a receiving hopper A,
A plurality of grain drying devices B, B, etc. are installed on one side of the receiving hopper A, and a hulling device C1 and a weighing device are installed on the other side. Elevators, etc. are installed for transportation and supply.

Of these, the grain drying devices 2B, B, . . . all have the following configuration. That is, a storage section 1, an aeration drying section 2, and a grain collection section 3.
It consists of a grain drying section 4 in which the four grain drying sections are placed one above the other in the vertical direction, and a cooling tank 5 placed on the upper part of the frame of the four grain drying sections, and these are configured in the shape of a vertically long rectangular parallelepiped. Among these, the ventilation drying section 2 of the grain drying section 4 has a hot air chamber 7°7 and a ventilation chamber 8 on the left and right sides, sandwiching four grain flow passages 6, 6... formed of a breathable material. , 8... are formed, and the air sucked and ventilated by the suction fan 9 is hot-aired by the burner 10, and the hot air is applied to the grains flowing down the grain-flowing passages 6, 6.... 11.11...
are delivery valves disposed above each of the grain upstream passages 6, 6, . . . to gradually cause the grain to flow down.

There is a transfer helix 12 at the bottom of the grain collecting section 3 which receives the grains fed out from each of the above-mentioned feed valves 11, 11... and collects them in the center.
A lateral transfer @ 13 is provided, and is connected to the elevator 14 from the end side in the transfer direction.

This elevator 14 is located on the back side of each machine frame of the grain drying section 4 and the cooling tank 5, and is erected at a slightly higher height than the cooling tank 5. Inside the elevator 14, an endless belt with packets attached at predetermined intervals is wound between upper pulleys, and the grains are dried in the grain drying section 4 and transferred by a horizontal transfer gutter 13 equipped with a transfer helix 12. It is designed so that grains, etc. can be scooped up and thrown toward the dumping port 15 at the top.

The outlet 15 has a cut-off valve 16 which can be selectively supplied to the first opening A and the second opening by switching the valve.

The discharge side end of the first opening A is exposed to a connecting pipe 17 which is located at the front and back of the ceiling of the storage section 1 and connects to the starting end of a transfer gutter 19 having a built-in transfer helix 18.

On the other hand, the second opening port looks into the starting end side of the transfer gutter 21 incorporating the transfer helix 20, which is arranged in the same manner on the ceiling on the side of the cooling tank 5.

”Transfer helix 18fI of 2! 19 and transfer helix 20
A21 is extended to the upper central position of each tank section, and can be supplied to the rotating diffuser plate 22 or 23.

The cooling tank 5 is provided with a cooling part 37 having approximately the same volume as the storage part 1 of the grain drying part 4, and an inclined guide part 24° 24 formed in a V-shaped cross section and two tank shapes on the top thereof. ing. At the base of the inclined guide portion 24.24, there is a discharge transfer W! equipped with discharge transfer spirals 25, 25 for discharging the grain that has flowed down. 26°26 are provided respectively. One end of the discharge transfer helix 25° 25 is supported by a latch plate 38 whose upper end is joined and fixed to the side wall 5a of the cooling tank 5 and which extends downwardly inside the cooling tank 5; It is supported by an extension @42 fixedly supported on the side wall 5b of the cooling tank 5. In addition, on the side wall 5b side of the cooling tank 5 on the opposite side of the gathering plate 38, a gathering plate 3 is similarly provided toward the inside of the cooling tank 5.
8a is provided.

A bottom valve 27 is provided at the bottom of each discharge transfer trough 26 . The bottom valve 27 has one end connected to a shaft 29 of a motor 28 that can be rotated forward and backward, which is installed outside the side wall 5a of the cooling tank 5, and the other end connected to a latch plate 38a extending inwardly and downwardly from the side wall 5b of the cooling tank 5.
It is supported on both sides by a fulcrum shaft 30 supported by a fulcrum shaft 30, rotates about the fulcrum shaft 30 as a fulcrum, and is configured such that its bottom can be opened.

That is, one end of the bottom valve 27 can rotate around the fulcrum shaft 30 in the gap 2 between the side wall 5b of the cooling tank 5 and the abutment plate 38a, and has a fan-shaped helical bottom support portion provided with a notch E to prevent helical interference. 31'. This bottom valve 27
Along with the switching operation.

The inside of the cooling tank 5 and the lower storage section 1 are in communication, and the grains are configured to flow down into the storage section 1 on the side of the grain drying section 4 through the open ceiling section of the grain drying section 4.

In addition, 41 is a shutter provided at the above extension @42 section and the bottom valve 2
7 is in a closed state, this shutter 41 is opened to supply grain to the discharge conveyor 32.

43 is a motor that drives the transfer helix 18 of the transfer gutter 19.

Reference numeral 32 denotes a discharge conveyor, which is installed to connect the grain drying devices 13, 13, . , is provided in the space between the back side of each machine frame and the elevator 14, and a tension conveyor 34 is provided parallel to one side of this discharge conveyor 32, and is in the form of a flight conveyor. It is attached to the discharge conveyor 32 in a hanging manner, and only the dryer side is supported and fixed to the machine frame 33.

A discharge port 35 is provided in the middle of the loading conveyor 34,
These are provided with on-off valves 36, and a plurality of grain drying sections 4 are provided.
, 4... are connected to the individual elevators 14.

The transfer terminal end of the discharge conveyor 32 is placed above the loading hopper of the hulling device C, and the dried grains from this conveyor 32 are supplied and transferred to the hulling device C.

The hulling device C is of a known type and consists of a dehulling section, a paddy/brown rice sorting section, and the like. A weighing device ff1D is installed on the brown rice outlet side of this paddy/brown rice sorting section and the predetermined...! '7. - The structure is to be packed in a bag 6 Next, the operation of the embodiment will be explained.

Grain 1, for example, paddy, harvested at 1i111@ is transported by a truck or the like and placed in a receiving hopper A. The grains received in the receiving hopper A are lifted up by an elevator 39 and supplied to the starting end of the loading conveyor 34. Selective control from a control room (not shown) specifies which grain drying device B is to be loaded with grain, and when the loading switch is turned ON, a predetermined loading on/off valve opens, and the loading conveyor Is the grain transferred under 34 the designated drying equipment? It will be supplied in 2B.

Regarding this specified grain drying device B, the grain drying section 4
The grains loaded in the storage section 1 flow through the ventilation drying section 2 and receive hot air through the grain flow passage 6.
, 11 . . . and transferred to the elevator 14 by the transfer helix 12. Then, again the grain drying section 4
The grains placed in the reservoir 1 are subjected to a drying action.

The grains that have undergone such a circulation drying process are transferred into the cooling tank 5. That is, the switching valve 16 is switched to enable supply to the second opening mouth side, and the grain is fried by the elevator 14.
Cooling tank 5 placed on top of the frame of the four grain drying units
The grains therein are uniformly fed through a transfer gutter 21 and a rotating spreader plate 23. After being left to cool for a predetermined time, the discharge and transfer helices 25, 25 run down the inclined guide portion 24 and are transferred by the discharge and transfer troughs 26 and 26.
It is supplied and dropped onto the surface of the discharge conveyor 32 through the guide chute 40, carried by this, and sent to the hulling device C.

In addition, if the received grain is larger than the capacity of storage section 1, elevator 1
Open the switching valve 16 provided in the upper dumping port 15 of 4,
The grains fried by the elevator 14 are uniformly poured into the cooling tank 5 via the rotating spreader 23, and the inclined guide section 24
．． After flowing down 24.

If the bottom valve 27 provided at the bottom of the discharge transfer@12G is opened in advance by forward rotation of the motor 28, the grain drying section 4
Grain is supplied to the storage section 1 and falls from the open ceiling section of the storage section 1. As mentioned above, one dryer has two outlets by opening and closing the bottom valve 27.

In this embodiment, in a grain dryer with such a circulation process, the abutment plates 38, 38a are positioned so as to narrow inward from the side wall 5a of the cooling tank 5, and are connected and extended from the motor 28 shaft 29. Since the fulcrum shaft 3o is supported and the bottom valve 27 is provided in a state where it is supported on both sides by the fulcrum shaft 30,
Opening and closing operations by switching the discharge of the bottom valve 27 are performed smoothly.

Further, by providing a notch E in the helical bottom support portion 31' that supports the bottom valve 27, the bottom valve 27 can be opened and closed without interfering with the discharge transfer helix 25.
Effective for opening and closing the bottom part of a long helix.

Since the discharge transfer helix 25 is thus configured to be supported and fixed within the cooling tank 5, the bottom valve 27 can be fixed inside and the space in the cooling tank 5 can be used effectively.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a cutaway side view, Fig. 2 is a cutaway front view, Fig. 3 is a cutaway front view of main parts, Fig. 4 is a perspective view, and Fig. 5 is a cutaway front view. is a side view, Figure 6 is a side view,
FIG. 7 is an overall front view. Description of symbols 2, ventilation drying section 4, grain drying section 5a, side wall 6, grain flow passage 8, exhaust chamber 10, burner 12, transfer helix 14, elevator 16, switching valve 18, transfer helix 20, transfer helix 22, Rotating diffusion plate 24, inclined guide section 26, discharge transfer gutter 28, motor 30, fulcrum shaft 31', helical bottom support section storage section general section cooling tank, side wall hot air chamber suction fan delivery valve horizontal transfer gutter outlet connection pipe Transfer gutter Transfer gutter Rotating diffusion plate Discharge transfer Spiral bottom valve shaft Spiral bottom support part 1. 3゜5゜b 7゜9゜11. 13゜17゜19゜21. 23°25°27°29°31°32°34°36°38°39°41°43°A. C. stomach. Haho. Discharge conveyor Loading conveyor opening/closing valve end plate elevator shutter motor standby hopper hulling device first opening gap cutout 33, machine frame 35, discharge port 37, cooling section 38a, end plate 40, guide chute 42, Extension gutter Grain drying device Weighing device Second opening Gap Open ceiling

Claims (1)

[Claims] (1) The cooling tank 5 is placed in the grain drying section 4, which consists of a storage section 1, an aeration drying section 2 that applies drying air to the grain flowing down from the storage section 1, and a shield ring mechanism section such as an elevator 14. At the bottom of the cooling tank 5, there are discharge transfer spirals 25, 25 for discharging grains that have flowed down.
Discharge transfer gutter 26, 26 with internal discharge transfer gutter 2 is provided.
A bottom valve 27 is provided at the bottom of 6 and 26, one end of which is connected to the shaft 29 of the motor 28, and the other end connected to the abutment plate 38a.
A fulcrum shaft 3 supported on the side wall 5a of the cooling tank 5 via
The bottoms of the discharge transfer troughs 26, 26 can be opened by rotating around 0, and one of the helical bottom support parts is provided with a cutout part E, and this helical bottom support part 31' is attached to the outside of the abutment plate 38a. A tank bottom valve opening/closing device for a grain drying apparatus, characterized in that it is located in a gap between a side surface and an inner wall 5b of a cooling tank 5.