JPH11267488A - Batch treating device for granular body or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove a material to be treated such as a powder depositing on the inner wall face. SOLUTION: A powdery, granular or muddy material to be treated is introduced into the main body 2 of a vessel, dried, cooled, heat-treated, granulated or mixed by this treating device. In this case, the main body 2 is formed by a flexible sheet 20 freely reversable, and the sheet is reversed to remove the material to be treated depositing on the inner face of the main body 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a batch type powdery and granular material processing apparatus for agitating inside a container body to dry, heat treat, mix, and the like an object to be processed such as powder, granules and muddy bodies. It is.

[0002]

BACKGROUND OF THE INVENTION In the field of foods, pharmaceuticals, chemicals, etc., for example, as a device for mixing, drying and heat-treating while stirring powders, etc., a conical container main body and powders are stirred therein. A batch-type granular material processing apparatus provided with a stirring mechanism for performing the process is used.

[0003] When an object to be treated such as powder is agitated by such a batch-type granular material treatment apparatus, the object to be treated such as powder adheres to the inner wall surface of the container body, and the product quality is reduced. This has been a cause of lowering and stagnation or clogging near the lower discharge of the object. Therefore, some means for removing an object to be processed adhered to the inner wall surface of the container body have conventionally been proposed or implemented.

For example, vibration is applied from the outer surface of a rigid container body performing a processing operation by a knocker vibrator,
There is a means for peeling and separating an object to be processed. Also, a swingable sleeve is hung on the inner wall surface of the container body as in Japanese Utility Model Publication No. 61-13069 "Powder adhesion prevention device of powder processing machine", and this is vibrated by pressurized air to remove the workpiece. There is a way to drop it. Further, there are means using an air sweeper device for removing powder from the inner surface of the container main body by the blast air, and means using an apparatus such as an air blaster. Further, as described in Japanese Patent Publication No. Hei 8-24801, "Method and Apparatus for Removing Powder", there is a means for forming a container body with a porous filter and blowing pressurized air from the outer surface side.

[0005] However, the above-mentioned means have disadvantages. That is, depending on the means of the knocker vibrator, although vibration is applied to the container body, considering the service life of the machine, the applied vibration is slight, and there is adhesion that cannot be completely removed. Further, in the case of the sleeve system, complication of the mechanism is inevitable, and there are problems such as maintainability and manufacturing cost. Furthermore, the air sweeper and the air blaster have a problem that a large amount of air is used and the operation cost of the apparatus is excessively high.

[0006]

[Technical Problems Attempted to Be Developed] The present invention has been made in view of such a background, and an object to be treated, such as powder, adhering to the inner wall surface of a container body can be easily and reliably formed by a relatively inexpensive structure. An attempt was made to develop a batch type granular material processing apparatus which can be removed and does not cause contamination even when the object to be processed is changed.

[0007]

According to a first aspect of the present invention, there is provided a batch type granular material processing apparatus in which a powdery, granular, or muddy material is charged into a container body, and the material is dried. In the apparatus for performing cooling, heat treatment, granulation or mixing, the container body is formed of a flexible sheet that can be turned upside down. ADVANTAGE OF THE INVENTION According to this invention, in the state which stopped the operation | movement of an apparatus, the removal of the to-be-processed object which adhered by turning over a container main body can be performed simply and reliably. Further, it is easy to clean the stirring mechanism such as the ribbon in the container body, and it is also easy to visually check after the cleaning. Further, when the object to be processed is replaced, contamination can be prevented by replacing the flexible sheet.

According to a second aspect of the present invention, there is provided the batch type granular material processing apparatus, wherein a reinforcing frame for supporting the flexible sheet is provided on an outer periphery of the flexible sheet. It is. According to the present invention, since the rigidity of the container body made of the flexible sheet can be maintained by the reinforcing frame, the normal mixing operation is not hindered.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. First, an outline of the batch type granular material processing apparatus 1 will be described. This is, for example, an apparatus for mixing, drying, and heat-treating an object to be processed A such as a powder. The apparatus comprises a container body 2 into which the object A is charged, and a stirring mechanism 3 for stirring the object A in the container body 2.

The container body 2 has an inverted conical hollow cylindrical shape. As a feature of the present invention, a flexible sheet 20 such as a canvas which does not blow out the atmosphere of the container body 2 to the outside, and the periphery of the container body 2 are reinforced. And a reinforcing frame 21. The flexible sheet 20 is configured to be capable of being turned upside down. As the material, a rubber sheet, a synthetic resin sheet, or the like can be used as appropriate in addition to a canvas. As the reinforcing frame 21, for example, a form in which a plurality of ring-shaped frames 21 </ b> A corresponding to the diameter of the container body 2 are connected by a vertical frame 21 </ b> B is used. The reinforcing frame 21 is removed as an example when the flexible sheet 20 is turned over. Incidentally, the flexible sheet 20 and the ring-shaped frame 21A may be fixed by being tied or the like, or may be separated. When the flexible sheet 20 and the ring-shaped frame 21A are fixed by binding or the like, when turning over the flexible sheet 20, only the vertical frame 21B can be removed, and the flexible sheet 20 can be turned over with the ring-shaped frame 21A attached. . When the flexible sheet 20 and the ring-shaped frame 21A are not fixed, both the ring-shaped frame 21A and the vertical frame 21B are removed and the flexible sheet 20 is turned over. In addition, it is possible to configure without providing the reinforcing frame 21, but in this case, it is necessary to strengthen the reinforcing frame 21 in order to maintain a certain degree of rigidity,
For example, a configuration in which a cage-shaped outer frame such as the reinforcing frame 21 that can be appropriately attached depending on the processing mode of the device is provided is employed.

The upper end of the container body 2 is fixedly attached to the top plate 4. A drive motor M for rotating the stirring mechanism 3 for stirring and mixing the powder provided in the container body 2 is provided on the upper surface of the top plate 4. Further, a bag filter 5 for removing solid matter and a raw material input port 4a for inputting raw materials are provided on the upper portion of the top plate 4 for sucking out humidified air in the container body 2 to the outside.

The above-described stirring mechanism 3 is provided inside the container body 2. Describing the stirring mechanism 3, a rotating main shaft 3A is rotatably provided through the center of the container body 2, and the drive motor M is connected to the upper end thereof. A helical ribbon 3B is attached to the rotating main shaft 3A via an arm 3C to form the stirring mechanism 3.

A valve 6 is provided at a lower portion of the container main body 2, from which a product is taken out. In addition, in addition to the above-described configuration, when, for example, heating is performed in addition to the mixing of the processing object A, a heating jacket for covering the container main body 2 and sending hot air is provided.

An example of the specific structure of the batch type granular material processing apparatus of the present invention is as described above, and this mode of use will be described below. When the batch type granular material processing apparatus 1 is operated to perform the stirring and mixing of the processing target A, the processing target A adheres to the inner surface of the flexible sheet 20 of the container body 2 in a lump.
To remove this, with the apparatus stopped, the reinforcing frame 21 is appropriately removed and the flexible sheet 20 is turned over as shown in FIG. Then, the adhered object A is removed by, for example, wiping, tapping, or washing.

[0015]

According to the apparatus for treating a batch type powder or the like according to the first aspect, the container body 2 is made of a flexible sheet 20 that can be turned upside down.
By turning the container body 2 upside down while the operation of the apparatus is stopped, the flexible sheet 20 is formed.
The object A adhered to the inner surface of the substrate can be easily and reliably removed. Further, the stirring mechanism 3 such as the ribbon 3B in the container body 2 can be easily cleaned, and visual confirmation after the cleaning is also easy. Further, when the processing object A to be processed is replaced, the contamination can be prevented by replacing the flexible sheet 20.

According to the batch type granular material processing apparatus of the second aspect, since the reinforcing frame 21 for supporting the flexible sheet 20 is provided on the outer periphery of the flexible sheet 20, the flexible sheet 20 has a certain size or more. It does not loosen and normal mixing work is not hindered.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a batch type granular material processing apparatus of the present invention.

FIG. 2 is a perspective view showing stepwise how the container body is turned over to open the inside of the container body.

[Explanation of symbols]

 1 Batch type powder / particle processing apparatus 2 Container body 3 Stirring mechanism 3A Rotating spindle 3B Ribbon 3C Arm 4 Top plate 4a Raw material inlet 5 Bag filter 6 Valve 20 Flexible sheet 21 Reinforcement frame 21A Ring frame 21B Vertical frame A Processing Object M Drive motor

Claims (2)

[Claims] 1. A powdery, granular or mud-like object to be treated is charged into a container body, and the object to be treated is dried, cooled, heat-treated,
In the apparatus for performing granulation or mixing, the container body,
A batch type granular material processing apparatus characterized by being formed of a flexible sheet that can be turned upside down. 2. A batch type granular material processing apparatus according to claim 1, wherein a reinforcing frame for supporting the flexible sheet is provided on an outer periphery of the flexible sheet.