JP2002316030A - Apparatus for mixing granular substance continuously - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for mixing granular substances continuously, whose mixing efficiency is enhanced, equipment cost is reduced and whose equipment is miniaturized by overcoming weak points of the conventional batch type mixing apparatus such that its mixing efficiency is low, equipment cost is high and equipment size is large. SOLUTION: This apparatus for mixing granular substances continuously is provided with a discharge hopper arranged onto a housing in which a long sideways cylindrical granular substance mixing chamber having a granular substance feeding port and a granular substance discharging port is formed so that the mixed granular substance is discharged from the granular substance discharging port by means of the pressure of new granular substances to be supplied continuously from the granular substance feeding port. Since the granular substance mixing is carried out continuously, the mixing can be completed with enhanced efficiency in a short time. As a result, the equipment cost can be reduced, the mixing apparatus main body can be miniaturized and its peripheral equipment for pneumatic transportation can also be miniaturized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for mixing powder and granules, and more particularly, to a continuous powder and grain mixing apparatus capable of continuously performing a mixing process of powder and granules.

[0002]

2. Description of the Related Art A conventional mixing apparatus employs a batch system in which storage, mixing, and dropping operations are repeated.
In the mixing process performed by the batch method, it is necessary to separately provide a powder supply time and a powder discharge time before and after the mixing time. For example, when it is desired to process 3 tons per hour, and when the capacity of the mixing device is 1 ton per batch, the processing time is 20 minutes per batch. When considering the time distribution of each treatment, since the granules during mixing need to stay to some extent, the mixing time must be relatively long,
Then, if the mixing time is 10 minutes, 1 minute in 20 minutes
Since it is necessary to perform a batch process, it is necessary to execute the supply time in 5 minutes and the discharge time in 5 minutes. Executing the supply in 5 minutes means that 1 ton needs to be supplied in 5 minutes, and if converted into hourly units, 12 tons (12 t /
h) Ability is needed. Similarly, in the case of discharge, it is too late to discharge at a rate of 12 tons per hour, and in order to mix 3 tons of granular material per hour, the supply and discharge each require a capacity of 12 t / h. . This is a disadvantage of the batch type, and although the production capacity is 3 t / h, it cannot be made until the supply capacity and the discharge capacity are improved because of the batch type. In short, it is sufficient to supply and discharge at 3 t / h in the case of the continuous type, but in the case of the batch type, the total capacity of 3 t / h is required unless the supply capacity and the discharge capacity are 12 tons / h. And the processing efficiency is very poor. Regarding the discharge, for example, a method in which the lower part of the mixing device is fully opened and one ton is dropped instantaneously and discharged is conceivable, but when the drop is made instantaneously, and the next batch comes after 15 minutes, 1 in 15 minutes
Need to be discharged. In addition, in this case, an additional 1 ton tank is required below the mixing device, and the equipment becomes large.

[0003]

As described above, in the conventional batch-type mixing apparatus, the processing efficiency is poor, which leads to an increase in equipment cost and an increase in the size of the equipment. Therefore, the present invention has been made in view of the above-mentioned various problems of the conventional technology, and has as its object to realize high processing efficiency, reduction of equipment cost and downsizing of equipment. It is an object of the present invention to provide a continuous powder / particle mixing apparatus. It is still another object of the present invention to enable uniform mixing of a granular material and a granular material, which has conventionally been difficult with a continuous method.

[0004]

SUMMARY OF THE INVENTION In view of the above problems, a continuous powder mixing apparatus according to claim 1 has a horizontally long cylindrical powder having a powder inlet and a powder outlet. A housing provided with a body mixing chamber, a rotary blade member having a rotating shaft disposed below the granular material discharge port in a horizontal direction at the center of the housing, and a granular material discharge port. And a discharge hopper integrally formed with the housing, and the powder and / or granules continuously supplied from the powder / particle inlet are stirred and mixed by the rotary blade member while mixing. The method is characterized in that the powder is transported in the lateral direction to the granular material discharge port, and the granular material continuously overflows from the granular material discharge port. As described above, by continuously performing the mixing process of the granular material, the processing efficiency of the mixing process is improved, the equipment cost is reduced, the size of the mixing device is reduced, and the size of peripheral devices related to pneumatic transportation is reduced. Is possible.

According to a second aspect of the present invention, there is provided a continuous powder and granular material mixing apparatus.
2. The continuous granular material according to claim 1, wherein the rotary blade member is configured such that a plurality of paddles each including a paddle arm and a stirring blade are installed on a rotating shaft in the granular material mixing chamber. 3. It is a body mixing device. In this way, a plurality of rotating paddles are provided inside the powder and particle mixing chamber, and the powder and the particles are mechanically fluidized, so that the powder and the powder can be uniformly mixed, and the mixing efficiency is improved. I do. In addition, it becomes possible to use an energy-saving type peripheral device in which the supply capacity related to the pneumatic transportation on the upstream side is kept low.

[0006] In the continuous powder and grain mixing apparatus according to claim 3,
It is characterized in that the rotation direction of the paddle rotating in the powder-particle mixing chamber can be sequentially changed clockwise or counterclockwise. As described above, by sequentially changing the rotation direction of the paddle rotating inside the granule mixing chamber in the clockwise or counterclockwise direction, the residence time of the granules mixed in the granule mixing chamber is reduced. It is possible to make adjustments, and it is easier to process the end fraction of the mixing process.

[0007] According to a fourth aspect of the present invention, there is provided a continuous powder and granular material mixing apparatus.
The agitating blade is inclined in a direction intersecting each other between adjacent paddles. In this way, by inclining the stirring blades of the adjacent paddles in directions intersecting with each other, the powder particles stirred inside the powder mixing chamber violently flow to perform the mixing process promptly and effectively. Becomes possible.

[0008] According to a fifth aspect of the present invention, there is provided a continuous-type powder / particle mixing apparatus.
A plurality of granular material discharge ports are provided in the granular material mixing chamber, and a granular material upper discharge gate using a slide type gate valve is adopted in one of the granular material discharge ports, and the granular material upper discharge gate is The apparatus is characterized in that a means is provided for adjusting the amount of the granular material discharged from the inside of the granular material mixing chamber to the granular material discharge port.
As described above, by adopting the upper discharge gate of the granular material using the slide type gate valve at the granular material discharge port of the granular material mixing chamber, the discharge amount of the granular material during the mixing process can be freely adjusted. It is possible to perform a continuous mixing process of the powder and granules without stopping the rotation of the paddle. A means for adjusting the amount of the granular material supplied from the granular material input port to the granular material mixing chamber may be added.

[0009] The continuous powder and grain mixing apparatus according to claim 6 is characterized in that:
A plurality of powder outlets are provided in the powder mixing chamber, and one of the powder outlets is provided with a lower discharge gate using a sliding gate valve. in this way,
By providing a lower discharge gate at the bottom of the powder mixing chamber at the bottom of the powder mixing chamber, it is possible to easily remove the powder remaining inside the powder mixing chamber. Become.

[0010] According to a seventh aspect of the present invention, there is provided a continuous powder and granular material mixing apparatus.
It is characterized in that a quantitative screw feeder or rotary valve is connected to the discharge hopper. In this way, by installing the discharging device having the quantitative property, even when the powder is discharged from the powder / particle mixing apparatus in a non-quantitative state, the quantitative property is maintained by the screw feeder or the rotary valve. It becomes possible.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a powder-particle mixing apparatus 1 according to the present invention will be described.
The embodiment will be described with reference to FIGS. As shown in the figure, a powder / particle mixing apparatus 1 according to an embodiment has a horizontally long cylindrical housing 2, a horizontally long cylindrical powder / particle mixing chamber 3 formed inside the housing 2, and an upper portion or a side of the housing 2. Granule supply unit 4 that is provided in communication with the granule mixing chamber 3 and supplies a raw material input from the outside to the granule mixing chamber 3, and the granules provided in the granule supply unit 4 The inlet 5 and a region downstream of the powder-particle mixing chamber 3, for example, provided at an upper portion or a side portion of the housing 2 (here, an upper portion of the partition wall 6), as shown by a bold arrow, to discharge powder particles. Exit 7,
A particulate material upper discharge gate valve 8 provided at the particulate material discharge port 7, a particulate material outlet 9 provided at a lower bottom part of the particulate material mixing chamber 3, and a particulate material discharge port 9 are provided. And a lower discharge gate 10 for the granular material. Depending on the internal pressure of the mixing chamber 3, if necessary, a rotary valve (not shown) having an air lock function may be provided in the powder supply unit 4 to prevent the discharge of the powder.

The above-mentioned powder / particle upper discharge gate valve 8 is attached to the powder / particle discharge port 7 on the outlet side of the powder / particle mixing chamber 3. This is a type of valve device that performs an opening and closing operation when discharging the granular material to the downstream side. The sliding gate valve for powder has a substantially square shape in a plan view, a rectangular shape in a front view, a flat, oval-shaped seal member having a horizontally long ring band shape in a side view, and a gate plate that slides the seal member up and down. The gate plate comprises a casing having an opening incorporated in a movable state, and a pair of air cylinders which are fluid pressure actuators for opening and closing the gate plate. Omit. In the present embodiment, the opening of the casing of the sliding gate valve for the granular material is fitted to the granular material discharge port 7 of the granular material mixing chamber 3 so as to match.

Further, the granular material mixing apparatus 1 rotatably supports the rotating shaft 11 (here, a uniaxial structure) rotatably and horizontally mounted inside the granular material mixing chamber 3. And a drive-side bearing unit 12 and a driven-side bearing unit 13 attached to the partition wall 6 and the side wall 2a, respectively, and a plurality of paddles 15 attached to the outer diameter surface of the rotating shaft 11 at predetermined intervals or at appropriate intervals. .

As shown in FIG. 2, the inside of the powder and particle mixing chamber 3 has a hollow cylindrical shape.
Is formed so as to be in communication with the powder supply unit 4. As a result, the granules dropped into the granule inlet 5 of the granule supply section 4 pass through the granule supply section 4 and pass through the granule mixing chamber 3.
It is supplied inside. Powder mixing room 3
A rotary shaft 11 penetrates the center of the rotary shaft 11, and a paddle 15 is attached to an outer diameter surface of the rotary shaft 11. As shown in FIG. 1, a plurality of paddles 15 are attached at equal intervals to the axis of the rotating shaft 11. The paddle 15 includes a paddle arm 16 protruding from the rotation shaft 11 in the outer peripheral direction, and a stirring blade 17 attached to a tip of the paddle arm 16. The stirring blade 17 is attached such that the plate surface is appropriately inclined with respect to the rotating shaft 11, and the powder supplied to the inside of the powder mixing chamber 3 is mixed with the stirring blade 17 attached obliquely. To mix the powder and granules.
In addition, if the same effect can be expected for the stirring blade 17,
Other shapes and arrangements are acceptable. It is preferable that the paddle 15 is fixed such that the direction of the inclination of the plate surface of the stirring blade 17 fixed to the paddle arm 16 is in a direction in which the adjacent paddles 15 alternately intersect.

That is, the paddle 15 is at a predetermined angle with respect to the rotating shaft 11 (here, generally in a range of 10 degrees to 180 degrees).
Further, a plurality (here, 11) protruding from the left end to the right end in the axial direction at predetermined intervals or at appropriate intervals in the radial direction.
The paddle arm 16 is provided with a stirrer blade 17 of various shapes such as a T-shape at an appropriate angle with respect to the radial axis at the tip of the paddle arm 16 so as to scoop up the powder and granules. ing. The direction of the stirring blade 17 may be the same direction, or the direction of the stirring blade 17 may be set to the direction in which adjacent blades intersect. If the direction of the scraping force intersects, the stirring is more effectively performed. May be For example, the directions may be alternately alternated one by one (for example, alternately between two and one). The stirring blade 17 has a front edge, which is a distal end portion, formed in a gentle arc-shaped surface, and keeps a constant gap between the inner cylinder surface and the front edge when rotating inside the mixing chamber 3. I have. The plurality of paddles 15 enable uniform mixing of powder and granules. Even if the number of paddles 15 is relatively reduced, an effective mixing effect can be obtained. Fewer blades can reduce hygiene concerns. In the case of food-related powders and granules, there has been a great deal of interest in contamination recently, and a small number of blades has the effect of reducing the risk of contamination. Note that the stirring blades 17, 17 ', and 17 "are shown in FIG.
As shown in (a) to (c), various forms can be taken.

The powder-granule mixing device 1 is mounted outside the driving-side bearing unit 12 and drives the rotary shaft 11 to be driven by a geared motor 18 (which may be provided with a driving force transmission mechanism and driven indirectly). A powder / particle discharge hopper 20 attached so as to cover an outlet side region of the housing 2, and for discharging powder / particles overflowing from the powder / particle discharge port 7 of the powder / particle mixing chamber 3 downward; A rotary valve 22 (here, an air lock function may be provided) connected to a discharge port 21 below the body discharge hopper 20. The rotary valve 22 transports the powder and granules to the downstream side by using the rotational force of the rotor and transports the powder to the downstream side. The rotor is rotationally driven by a geared motor (not shown) provided outside the casing. It is supposed to be.

The powder / particle lower discharge gate 10 attached to the powder / particle discharge port 9 at the lower bottom of the powder / particle mixing chamber 3 comprises:
The same thing as the slide gate valve 8 for powder described above is employed. For this reason, the structure of the powder / granule lower discharge gate 10 and the method of attaching the powder / granule mixing chamber 3 to the powder / grain discharge port 9 are based on the above-mentioned powder / grain upper discharge gate valve 8
The same as above, but the direction of movement of the gate plate is horizontal and orthogonal to the gate plate of the gate valve 8.

The discharge port 21 at the lower part of the powder discharge hopper 20
May be replaced with a screw feeder 25 instead of the rotary valve 22. As shown in FIG. 4, a screw shaft 27 that conveys the granular material is penetrated inside the horizontally long casing 26, and the screw shaft 27 that conveys the granular material from the discharge port 21 of the granular material discharge hopper 20 into the casing 26 of the screw feeder 25. The supplied granular material is transported by the fins 28 of the screw shaft 27 and discharged to the lower part. The screw shaft 27 is connected to the casing 26
Is driven by a geared motor 29 provided outside one end of the motor.

Although not shown, a powder level meter or a flow meter or the like is provided in the powder / particle mixing chamber 3 or a powder / particle level meter or the like in the powder / particle discharge hopper 20, and the signals of these are measured. The control device 30 automatically calculates the overflow amount by detecting the amount of overflow, and automatically adjusts the position of the gate plate of the upper discharge gate 8 and / or the lower discharge gate valve 10 of the granular material.

Next, the operation of the powder-particle mixing apparatus 1 of the present embodiment will be described. In the present embodiment, unlike the conventional batch-type mixing apparatus, the mixing process of the powders is continuously performed, and the continuous powder-mixing process will be described below. First, a raw material supply line such as a flour mill is connected to the granular material input port 5 of the granular material supply unit 4, and a plurality of different types of raw materials of the granular material to be mixed are introduced into the granular material mixing chamber 3. I do. In the step of charging the powder and granules, an amount of the powder and the powder which is substantially filled is determined by the capacity of the powder and particle mixing chamber 3. It is supplied into the granule mixing chamber 3. Control device 30
Is turned on, and the upper discharge gate valve 8 is opened. The control device 30 reads a gate open signal from a sensor provided in the upper discharge gate valve 8 and supplies the powder. The pneumatic pneumatic conveying device connected upstream of the part 4 is started. As a result, the granules to be mixed are continuously supplied into the granule mixing chamber 3. That is, during operation, the upper discharge gate valve 8 is in the open state, but the lower discharge gate 10 is in the closed state. When a predetermined amount of the granular material is dropped into the granular material mixing chamber 3 and becomes substantially full, the control device 30 outputs an operation signal to the geared motor 18 to start the mixing process.

When the geared motor 18 is started, the driving force of the geared motor 18 is applied to the driving bearing unit 1.
2 and the rotating shaft 11 via the driven side bearing unit 13
Is transmitted to When the rotation shaft 11 starts rotating, the plurality of paddles 15 start rotating as indicated by arrows in the figure. When the plurality of paddles 15 start to rotate inside the powder material mixing chamber 3, the stirring blade 17 fixed to the paddle arm 16
It rotates while scraping up the granular material filled inside the granular material mixing chamber 3. At this time, since the adjacent paddles 15 rotate in directions in which the plate surfaces cross each other, this paddle 1
By the angle of 5, the granules subjected to the mixing process are:
The rotating shaft 11 is extruded toward the outer periphery of the rotating shaft 11 so as to be sandwiched between two adjacent stirring blades 17. As described above, when the mixing process is performed by the paddle 15, the granules are vigorously fluidized inside the granule mixing chamber 3, the mixing process is promoted, and finally, the overflow state is obtained, which is very effective. In addition to the paddle 15, a means of providing a screw model or a gate as a discharge port at the center and performing a mixing process with a ribbon mixer is also conceivable. However, in this case, there is a problem that overflow hardly occurs.

In this case, the filling state of about half of the capacity of the granule mixing chamber 3 is almost 100%, and the maximum value / minimum value is from ± 20% to 4%.
Up to about 0% is a suitable filling rate at which the powder is mixed,
If it is more than this, overroll occurs, and if it is too small, it cannot be scraped well. In order to increase the filling rate, the conventional mixing apparatus employs a batch type in which the operations of storing, mixing, and dropping are repeated, but in the present embodiment, the powder and granules are collected within the range of the filling rate. A structure that discharges while mixing continuously becomes possible.

The stirring time in the mixing step continuously performed inside the powder and particle mixing chamber 3 is arbitrarily determined according to the capacity of the powder and particle mixing chamber 3 and the type of the powder to be mixed.
In addition, the control device 30 controls the powder / particle upper discharge gate valve 8.
A gate adjustment signal is output to the air-granule upper discharge gate valve 8, whereby the air cylinder is operated to adjust the gate plate, and the opening area of the powder-particle discharge port 7 of the powder-particle mixing chamber 3 is increased. Can be controlled. The sliding amount of the gate plate of the particulate upper discharge gate valve 8 can be changed by changing the degree of opening so that the amount of the granular material discharged from the inside of the particulate mixing chamber 3 to the granular material discharge port 7 is changed. Can be adjusted, and a means for adjusting the amount of the granules to be supplied from the granule inlet 5 to the granule mixing chamber 3 together with the granules may be provided.

When the granules are continuously fed into the granule mixing chamber 3 from the granule input port 5, the mixing process is continued by the paddle 15 inside the granule mixing chamber 3. Since the granules are fluidized and filled with air, the paddles inside the granule mixing chamber 3 are generated by the pressure of the new granules pushed into the inside of the granule mixing chamber 3 from the granule input port 5. Fifteen
The granules that have been agitated and in the overflow state continuously overflow from the granule discharge port 7. Although the overflow amount can be adjusted to some extent by opening and closing the gate, even if the discharge is performed in a non-quantitative state, a screw feeder 25 or a rotary valve
Numeral 2 is a discharge device having a quantitative property, and there is no particular problem since it can maintain the quantitative property.

Then, the powder / particle discharge port 7 of the powder / particle mixing chamber 3
Are discharged into the inside of the powder discharge hopper 20. The powder dropped into the powder discharge hopper 20 falls naturally and is supplied from the discharge port 21 of the powder discharge hopper 20 into the rotary valve 22. The granular material supplied to the rotary valve 22 is supplied to the inside of a rotor provided inside the casing. Since the rotor is rotated by a geared motor (not shown), the powder is sequentially sent from the upstream side to the downstream side of the rotary valve 22.

In the case of the screw feeder 25,
The supplied granular material is mounted on fins 28 of a screw shaft 27 that is penetrated inside a casing 26. Since the screw shaft 27 is driven by the geared motor 29, the screw shaft 27 is conveyed by the fins 28 of the rotating screw shaft 27 and sent out to the powder-particle conveying pipe 14 attached on the downstream side.

Note that when the last mixing step is completed, the powder remaining in the powder mixing chamber 3 is removed, or when the temporarily filled powder is discharged, The granule lower discharge gate 10 is opened and discharged from the granule discharge port 9.

Further, if necessary, if the rotation of the paddle 15 is rotated in the normal or reverse direction, the powder or granules can be sent out when the rotation is rotated in the normal direction. Thereby, the residence time of the granular material in the granular material mixing chamber 3 can be adjusted, and the last end-volume processing is also simple. This will be described in detail below. Since the flow of the mixing is set in advance, if a long mixing time is required, the stirring blade 17 must be set at an angle such that the granular material is returned. Conversely, when it is not necessary to lengthen the mixing time so much, the stirring blade 17 is set at an angle such that the powdery material is sent out. However, even if it is set in the direction in which the powder is returned, the raw material is always sent, and when it is returned, it overflows and repeats, and the powder gradually moves toward the discharge. The point is that they are used properly depending on the necessity of the mixing time. In the case of foods and the like, it is necessary to prevent deterioration. However, even if it is necessary to set the residence time of the powders and granules in the mixing chamber 3 longer, the product quality of the powders and granules is improved. It is possible to In such a case, the rotation axis 1
It is preferable to set the angle of the stirring blade 17 so that the forward rotation of 1 is not on the side of discharging the granular material but on the side of returning the granular material. In other words, the angle of the stirring blade 17 is set to either the return side or the feed side, and the geared motor 18
Is controlled so as to reverse. This is because the rotation direction of the paddle 15 can be changed by switching the geared motor 18 between normal rotation and reverse rotation, but the flow of air cannot be easily changed. Therefore, depending on the mixing conditions, it is necessary to change the stirring blade 17 at the time of designing whether the main rotation is the main rotation or the main rotation is the reverse rotation. Also,
The residence time of the granular material in the mixing chamber 3 may be adjusted by the rotation speed of the rotating shaft 11 in some cases. When ending the production in one day, the rotary shaft 11 may be fed in a reverse direction. That is the last rounding process. Adjustment of the residence time of the granular material is performed by a command from the control device 30.

As described above, according to the mixing apparatus 1 of the present embodiment, the following effects are obtained. (1) Since the mixing process of the granular material can be performed in a continuous manner, the processing efficiency of the mixing process can be effectively performed in a short time. (2) Since the mixing process of the powders can be continuously performed, the size of the apparatus main body and the size of peripheral devices related to pneumatic transportation can be reduced. (3) Plural paddles 1 rotating inside powder / particle mixing chamber 3
By providing 5 and mechanically fluidizing the granular material, it becomes possible to use an energy-saving peripheral device in which the supply capacity related to the pneumatic transport on the upstream side is kept low. (4) Plural paddles 1 rotating inside powder-particle mixing chamber 3
5 and the stirring blade 17 of the adjacent paddle 15
Are inclined in the direction intersecting with each other, whereby the powder and granules stirred inside the powder and particle mixing chamber 3 can be made to flow violently and the mixing process can be performed promptly and effectively. (5) By changing the rotation direction of the paddle 15 rotating inside the granule mixing chamber 3 sequentially in a clockwise or counterclockwise direction, the granules that have been mixed and processed inside the granule mixing chamber 3 are retained. The time can be adjusted, and the end-volume processing at the end of the mixing processing is facilitated. (6) Since the upper part discharge gate valve 8 using a slide type gate valve is used for the discharge part 7 of the powder mixture in the powder mixing chamber 3, the discharge amount of the powder during the mixing process is reduced. The adjustment can be freely performed, and a continuous mixing process of the powder and granules can be performed without stopping the rotation of the paddle 15. (7) In the powder / particle discharge port 9 at the lower bottom of the powder / particle mixing chamber 3,
The provision of the powder / particle lower discharge gate 10 makes it possible to easily remove the powder / particle remaining in the powder / particle mixing chamber 3. (8) By keeping the whole device compact and simple in shape and structure, the device itself maintains a clean state,
The work environment can be made cleaner. In addition, there is little adhesion or remaining of powder particles on the exterior panel surface or inside of the housing 2 of the apparatus, and cleaning of the apparatus becomes extremely easy. (9) By making the whole apparatus compact, the installation area in factories and the like can be reduced to 20% or less as compared with conventional equipment, and it can be introduced and installed in small-scale flour mills. A significant cost reduction is achieved in terms of aspects.

It should be noted that the present invention is not limited to the above-described embodiment, but may be modified without departing from the technical idea of the present invention. Equivalents and the like are also included in the technical scope of the present invention.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a continuous powder and grain mixing apparatus.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIGS. 3A to 3C are front views showing various shapes of a stirring blade.

FIG. 4 is a front sectional view of the screw feeder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Mixing device 2 ... Housing 3 ... Granular material mixing chamber 4 ... Granular material supply part 5 ... Granular material input port 7, 9 ... Granular material discharge port 8 ... Granular material upper discharge gate valve 10 ... Granular material Lower body discharge gate 11 ... Rotating shaft 12 ... Driving side bearing unit 13 ... Driven side bearing unit 14 ... Powder / particle transport pipe 15 ... Paddle 16 ... Paddle arm 17 ... Stirring blade 18 ... Geared motor 20 ... Powder / particle discharge hopper 21 ... Discharge port 22 ... Rotary valve 25 ... Screw feeder 30 ... Control device

Continued on the front page F term (reference) 4G035 AB48 AE13 4G037 AA12 AA18 DA21 EA03 4G078 AA04 AA10 AA15 AB20 BA01 DA01 DB03 EA10

Claims (7)

[Claims] 1. A housing having a horizontally long cylindrical powder / particle mixing chamber having a powder / particle input port and a powder / particle discharge port, and the powder / particle discharge port horizontally in the center of the housing. A rotating blade member provided with a rotating shaft disposed below, and a discharge hopper integrally formed with the housing, which receives the granular material from the granular material discharge port. The granular material continuously supplied from the body inlet is laterally transferred to the granular material outlet while stirring and mixing with the rotating blade member, and the granular material is continuously transferred from the granular material outlet. A continuous powder and granule mixing device characterized by overflowing. 2. The rotary blade member according to claim 1, wherein a plurality of paddles each including a paddle arm and a stirring blade are installed on a rotary shaft in the powder and granular material mixing chamber. Continuous powder mixing equipment. 3. The continuous powder and grain mixing according to claim 1, wherein the rotation direction of the paddle rotating in the powder and particle mixing chamber can be sequentially changed clockwise or counterclockwise. apparatus. 4. The continuous powder and grain mixing apparatus according to claim 1, wherein said stirring blade is inclined in a direction intersecting each other between said adjacent paddles. 5. A powder and granule discharge port is provided in said powder and granule mixing chamber, and a powder and granule upper discharge gate using a slide type gate valve is adopted in one of said powder and granule discharge ports. 5. The granular material upper discharge gate further comprises means for adjusting the amount of the granular material discharged from the inside of the granular material mixing chamber to the granular material discharge port. 4. The continuous type powder / particle mixing apparatus according to item 1. 6. A powder / particle discharge port is provided in the powder / particle mixing chamber, and a powder / particle lower discharge gate using a slide type gate valve is adopted in one of the powder / particle discharge ports. 6. The continuous powder and granular material mixing apparatus according to claim 1, wherein: 7. The continuous powder and particle mixing apparatus according to claim 1, wherein a quantitative screw feeder or a rotary valve is connected to the discharge hopper.