JP3385878B2 - Ventilation control device for rack dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a drying apparatus for drying primarily vegetable onions etc., cereals rice, etc., such as luxury goods raw tobacco or the like, for housing a plurality of drying rack, the drying rack A rack-type dryer including a plurality of drying shelves, an air passage that allows drying air to be blown to the drying racks of the plurality of drying shelves, and a transport device that can transport the drying racks.
More particularly , the present invention relates to an air volume control device for a rack dryer .

[0002]

2. Description of the Related Art In a conventional rack dryer 100,
(Refer to FIG. 6) , a plurality of drying racks 102 capable of accommodating a plurality of drying containers 101 are provided, and a ventilation path 103 for distributing drying air to each drying rack 102 is formed.
It has been done. A blower fan 104 is provided in the blower passage 103 for each drying rack 102, and the drying container 10
In the drying rack 102 in which No. 1 is stored, the blower fan 104 is stopped so as not to blow dry air.

[0003]

In the conventional rack type dryer, as described above , heat is transferred to a plurality of drying racks 102.
In order to blow the wind , a blower comprising a blower fan is provided for each drying rack 102 , and the drying container 101 is provided.
Control of each of the plurality of blower fans 104 is performed depending on the presence or absence of the air blower.

In this configuration, electrical work for power supply is required for each blower fan 104 , and the drying rack 102
Construction costs depending on the scale is not bulky (bulk) Mudake, a sensor for sensing knowledge whether the dry container 101 - also that Do required control equipment for control of the blower fan 104 and the like. There
In the present invention in view of the above problems, the blower fan 104
La possible to simplify the control of the cost of these devices
It is technically necessary to provide an air flow control device for
Make it an issue .

[0005]

Means for Solving the Problems To solve the above problems,
Because, in the first aspect of the present invention, constitute a plurality of drying rack, the air passage for blowing respective drying air to the respective drying rack, the drying device by a hot air device for blowing drying air into the air passage, the opening top surfaces and a blower capable Yuanatana rack formed by providing a conveying apparatus for loading and unloading the drying rack before Symbol drying section a plurality of drying container to be accommodated grain
In formula dryer, the drying container position in the drying rack, the position for accommodating the position for performing drying
Together provided blowing switching device for blowing air and stopping of the drying air into the drying container by moving to one of the,
Drying rack is managed by entry and leaving management system for managing goods receipt state, allowing adjusting the blowing rate of the drying apparatus according to the quantity of dry containers requiring drying, technique that
It is a tactical measure .

[0006] Thus, the currently drying in the drying rack
The number of drying containers at the location
System to determine the number of drying containers that require drying.
Thus, the amount of air blown from the drying device can be controlled .

[0007] The above management system
Based on the number of dry containers requiring drying
A fan provided in the main air passage connecting the hot air device and each air passage
The opening of the damper device may be adjusted.

[0008] According to the number of drying containers needing drying
The amount of hot air in the drying unit is controlled and linked with this.
Adjust the opening of the damper device in the main air duct.

[0009]

[0010]

[0011]

[0012]

The embodiments according to the present invention DETAILED DESCRIPTION OF THE INVENTION, cereals
This will be described with reference to FIGS. 1 to 5 as an example . FIG. 1 shows a grain drying preparation system 1 in which the present rack-type dryer is installed. Raw rice is in Momini receiving step 2, Ru is the load bearing while via roughing machine and scales. Load receiving the rice is transported by the transport device 3d to be put into drying rack 3b, it is housed in the drying device 3a of the drying step 3. Dried to a moisture Jo Tokoro in Drying Step 3, it is stored Upon completion of drying paddy tank 4a of the next rice storing step 4. Suitably from paddy tank 4a, the next preparation step 5 if necessary
It is discharged to the paddy sliding particle sorting device 5a, wherein the selection by prepared from paddy brown rice Rutotomoni seed size is performed. Brown rice is stored temporarily in the brown rice tank 6a of brown rice storing step 6, it is discharged in accordance with the shipment. In shipping process 7, brown rice storage process 6
The brown rice discharged from is measured by the measuring device 7a, packed in a bag as appropriate , and shipped.

Particularly , in the drying step 3, the drying device 3
comprising a plurality of drying rack 3b is a, the drying rack 3
The drying container 3c is stored in the container b to perform drying. Drying container 3c is withdrawn at regular intervals, are stirred together when turned to moisture measuring unit 3e by the conveying device 3d, which is repeated until the target moisture.

[0014] rack dryer 10 of the present invention is intended to be used as a drying step 3 of such cereal dried preparation system 1 will be described in more detail with reference to FIG. Multiple
Column, and drying rack 1 formed by dividing a plurality of stages
1, an air passage 12 for blowing dry air to each drying rack 11, and a hot air device 13 for blowing dry air to each air passage
Thus, the drying device 14 is constituted. This drying device 14
Each drying rack 11, the upper surface is opened, at its lower Yes to allow out the drying container 15 which enables storing grain provided blower capable Yuanatana 19, wherein the drying container 15 a transport device 16 and out the drying rack 11 of the drying device 14 are constructed the rack dryer 10. Yuanatana 19 provided on Drying container 15 to Ru More be provided on the middle of the drying container 15, also it is provided in the bottom of the drying container 15, drying the container 1
5 so as to escape upward blown from below, the material to be dried is sufficient if provided with a turned capable Yuanatana 19 in the container. The transport device 16 moves the drying rack 11 in the left-right direction, and further moves up and down in the vertical direction by the crane unit 17.
Is stored in the drying rack 11. The above is the configuration of the rack-type dryer 10.

[0015] Such a rack dryer 10,
This will be described in detail with reference to FIG. As described above , the drying container 1
5 is a top is opened, its downward is provided with a through air can Yuanatana 19, organic Anatana of 19 lower lateral container sides 2
0 is provided with a connection port 21 so that drying air can be sent from the outside, and the air passage 12 of the drying device 14 and the connection port 21 of the grain container 15 can be fitted. Fit between the connecting port 21 and the blowing passage 12,
Ru different by the configuration of Yuanatana 19 of the dry container 15. Further, the ventilation path 1 is adjusted to the shape of the drying container 15 or so that the function of the drying container 15 becomes more effective.
Forming 2 in another form is also included.

[0016] Furthermore, the drying container 15 accommodating position in the drying rack 11, and the drying position A for the drying in the drying rack 11, drying container 15 with the storage position B only keep housed in drying rack By providing two places ,
An air supply switching device 22 is provided in the air supply path 12 and can mechanically switch the supply / discharge of the drying air to the drying container 15. The switching between the drying position A and the storage position B of the drying container 15 may be performed by sliding on the drying rack 11 or by moving the transfer device 16.

The configuration of the blower switching device 22 will be described in more detail. As shown in FIG.
Is moved from the storage position B to the drying position A, whereby the open / close valve 23 is pressed by the fixing plate 24 of the drying container 15,
The air path is connected from the air path 12 to the connection port 21, and the hot air of the hot air device 13 is sent to the drying container 15. Further, the on-off valve 23 is provided in the air passage 12 , for example, in a cylindrical connection port 25.
And the bearing 26 supported by the support member 30
When, is supported by the supporting member 31, or One by fixed bearing 27 and the slide bearings 28 to the opening and closing valve 23 side, the slide shaft 29 of the on-off valve 23 are supported. Bearing 27
When the drying container 15 is moved from the storage position B to the drying position A when the drying container 15 is moved from the storage position B to the drying position A, the fixing plate 24 pushes one end of the slide shaft 29. 32, while resisting the elasticity of 32
When the drying container 15 is moved from the drying position A to the storage position B when the drying container 15 is moved from the drying position A to the storage position B, the opening and closing valve 23
And the connection port 21.

As described above, in the present invention, the drying container 15
By moving to the storage position B and drying position A the opening and closing valve 23 is, since the communication or block the connection port 24 and air passage 12, the drying air hot air device 13, dried to
It can be blown only in dry container 15, cormorants. These things, electrical equipment is a mechanical switching system that does not require any, equipment costs can not only greatly reduced, that Do allow reliable operation for the structure is simple.

[0019] Incidentally, such as a fixed plate 24 and the support member 30 and 31 by a cross shape as shown the planar shape in FIG. 4, the slide shaft 29 in ensuring air passage, or One fixed plate 24 press and, also, the support members 30 and 31 is provided with a bearing in the center, the purpose can be achieved to support the bearings 26, 28.

The above-mentioned blower switching device 22 is used for the drying rack 11.
Is provided with each drying air amount by the number of large and small dry container 15 in the dry state is also different, the but I hot air device 13
Also requires different amounts of heat. In the present embodiment , the following air volume control device is provided to cope with a change in the number of drying containers during drying.

According to FIG. 5, the control by the blower amount controller 40 is to enable the blower capacity of the hot blower 13 to be switched in a plurality of stages depending on the number of drying containers 15 during drying. That is, since only blown to dry the container 15 during drying is provided a mechanical blower switching device 22 may be a necessary air amount corresponding to the quantity of dry container 15 during drying, Therefore, drying container in dry In FIG. 15, the air volume is controlled in a plurality of stages according to the quantity to reduce the waste air volume. Although the temperature and humidity of the hot air change due to a decrease or increase in the air volume, it can be dealt with by providing a temperature sensor and a humidity sensor on the discharge side and controlling the heat source. These sensors are always provided in the hot air generator.
No special provision is required.

The rack-type dryer 10 includes a drying container 15
The entry and exit are managed for each drying rack , and accordingly, the state of each of the drying racks 11 is all managed. That is ,
In the receiving step, various data such as the type of the grain to be received , the receiving amount, and the receiving moisture are input. These data are stored together with the drying container 15 as entry / exit management data, and together with this data , which drying rack 11 the drying container 15 is stored in is stored. did
But I, management de by this management system - by data,
De of what pieces of dried container 15 now is in the middle drying - Get data is for stepwise manage blowing capacity of the drying apparatus 14 according to the quantity.

More specifically, the drying rack 11 has 30 frames.
(Compartment) equipment, if the drying air volume of the drying device 14 is controlled in five stages, if the number of drying containers 15 during drying is in the range of 1 to 6, the air volume is controlled to 1 ; If the number of dry containers is in the range of 13 to 18, the air volume is controlled to 3; if the number of dry containers is in the range of 25 to 30, the air volume is controlled to 5 and a plurality of stages. Note that the air volume is not limited to five fixed stages , and continuous air volume adjustment is also possible.

[0024] Thus, Oite to the drying device 14, the sensor drying container know is in many dry - such that without providing, Also, many facilities related electrical or control becomes unnecessary, the drying device 14 In, only the control of the air volume needs to be performed in addition to the inherent management of temperature and humidity, and the entire drying device 14 is very simple due to the air flow switching device and the air volume control device.

Furthermore, air volume control device 40 includes a control unit 42 for stepwise controlling the air volume depending on the drying container quantities together when obtaining the dry container quantity during drying from entry and leaving management system 41, requiring drying Drying container 15
And a damper device 43 for controlling the opening degree of a main air passage 39 connecting the hot air device 13 and each air passage 12 with each other.
2, a sensor 45 and a sensor 46 for detecting the temperature and humidity after the damper device 43 are connected.
The hot air device 13 is controlled by this signal.

[0026]

As described above, according to the first aspect of the present invention , the position of the drying container on the drying rack
Move to the position to perform
Moving and sending dry air to the drying container by moving
Since there is provided a mechanical blower switching device for performing, sending dry air only to dry container during drying in the drying rack capacity
It is possible to easily, can contribute greatly to the reduction of even troublesome electrical control and electric wiring becomes unnecessary equipment costs. Drying is also required.
Depending on the quantity of dry container of Ru switching the air blowing amount of
Thus, only the amount of hot air required for drying may be generated.

[0027]

[0028]

According to the second aspect of the present invention, the number of drying containers being dried managed by the entry / exit management system is determined by the drying apparatus.
It controls the hot air generation amount and contact control device, the main
Adjusting the damper of the air passage , more effective
It is possible to control the amount of air blown .

[0030]

[Brief description of the drawings]

FIG. 1 is a flowchart of a grain drying preparation system provided with a rack-type drying machine according to the present invention.

FIG. 2 is a side view of the rack-type dryer according to the present invention.

FIG. 3 is a side sectional view of a blower switching device of the rack-type dryer of the present invention.

FIG. 4 is a front view of a connection port of the drying container.

FIG. 5 is a control block diagram of the hot air control device.

FIG. 6 is a conventional rack-type dryer.

[Explanation of symbols]

1 Grain Drying preparation system 2 Momini receiving step 3 Drying Step 4 paddy storing step 5 rice sliding particle sorting preparation step 6 rice storing step 7 shipping process 10 rack-type drying apparatus 11 drying rack 12 air passage 13 the hot air device 14 drying device 15 Drying container 16 Conveyor 17 Crane 18 Lift 19 Perforated shelf 20 Container side 21 Connection port 22 Blower switching device 24 Fixed plate 25 Connection port 26 Bearing 27 Bearing 28 Bearing 29 Slide shaft 30 Support member 32 Compression spring 39 Main Ventilation path 40 Ventilation amount control device 41 Entry / exit management system 42 Control device 43 Damper device 44 Drive device 45 Temperature sensor 46 Humidity sensor A Drying position B Storage position

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-7-309405 (JP, A) JP-A-7-187338 (JP, A) JP-A-7-63479 (JP, A) JP-A-7-309 324868 (JP, A) JP-A-2-198902 (JP, A) JP-A-49-111371 (JP, U) JP-A-55-69691 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F26B 3/00 F26B 9/06 F26B 21/00

Claims (2)

(57) [Claims] And 1. A plurality of drying racks, the air passage for blowing respective drying air to the respective drying rack, constitute a drying device by a hot air device for blowing drying air into the air passage, is opened
And a top surface and capable blast Yuanatana, formed by providing a conveying apparatus for loading and unloading the drying rack before Symbol drying section a plurality of drying container that enables accommodating the grain rack drier odor
Te, wherein the drying container position in the drying rack, the blower selector for blowing air and stopping of the drying air into the drying container by <br/> in one of the positions for storing the position for performing drying together provided apparatus, a rack type, characterized in that it is grasped by goods movements management system for managing receipts state of drying rack, according to the quantity of dry containers requiring drying was adjustable air volume of the drying apparatus An air flow control device in the dryer. 2. A obtained by the above management system, dry based on dry container quantity in need of dampers disposed in the main air passage for connecting the hot air device and the airflow path - by adjusting the opening of the device to claim 1 comprising Te definitive in a rack dryer according air volume control device.