KR102320719B1 - Method for manufacturing refractory product - Google Patents

Abstract

The present invention relates to a method for manufacturing a refractory product. More specifically, the method easily controls a particle size and weight and facilitates packaging and handling. The present invention comprises a crushing step (S10), a particle separation step (S20), a measurement step (S30), a mixing step (S40), and a packaging step (S50).

Description

Method for manufacturing refractory products

The present invention relates to a method for manufacturing a processed refractory product, and more particularly, to a method for manufacturing a processed refractory product that is easy to control particle size and weight, and is easy to package and handle.

A refractory material is a material that can withstand high temperatures, does not soften at a high temperature of at least 1,000 ℃, maintains its strength sufficiently, and can withstand chemical action.

These refractory products are classified into regular and irregular refractories according to their shape (physical classification), and acidic, neutral, and basic refractories according to their chemical composition (chemical classification).

Fixed refractories are refractories formed in a certain shape, such as refractory bricks, and irregular refractories (refer to Patent Nos. 10-1066574 and 10-0508521) are non-formed refractories that do not have a specific shape when constructed. is given

Such irregular refractories generally include castable refractories, plastic refractories, spray refractories, and the like.

In the past, refractories meant fixed refractories such as refractory bricks. Recently, with the development of irregular refractories, refractories have been divided into fixed refractories and irregular refractories.

Patent Registration No. 10-1095027 (hereinafter referred to as the prior art) relates to an alumina binder amorphous refractory material and a method for manufacturing the same, and more particularly, it has sufficient handling strength without using cement, including AI2O3, SiC, alumina precursor powder and water. Provided is an alumina binder irregular refractory material that hardly shrinks after heat treatment, and a method for manufacturing the same.

However, the above-mentioned prior art has problems such as not being easy to control the size and weight of the particle size, not having excellent adhesion, and not being easy to pack and handle.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a method for manufacturing a refractory product that is easy to control particle size and weight, improves adhesion, and facilitates packaging and handling.

The present invention for the purpose of solving the above problems has the following configuration and features.

Crushing the refractory raw material using a coarse grinder to produce an aggregate (S11) and using a fine grinder to crush the refractory raw material or the aggregate to produce a powder (S12); a grinding step (S10); a particle size separation step (S20) of classifying the pulverized product including at least one of the powder and the aggregate by particle size using a vibrating separator; a weighing step of measuring the weight of the pulverized product classified by particle size (S30); A mixing step (S40) of mixing the pulverized product and an auxiliary containing a thickener to produce a refractory product; And at least one of the step of accommodating the refractory processed product in the packaging container using a packaging machine (S51), the step of loading the packaging container using a robot arm (S53), and the step of wrapping the loaded packaging containers (S54) Including a packaging step (S50);

In addition, the packaging step (S50) further includes a transfer step (S52) of transferring the packaging container from the packaging machine to the robot arm by a transfer device including a plurality of rollers, wherein the robot arm includes: a base; a link portion rotatably connected to the base; and a pair of rotating rods provided at the other end of the link unit and rotating about a horizontal direction as a central axis, a pair of vertical portions connected to each of the pair of rotating rods, and a lower end of each of the pair of vertical portions to the inside It is provided with an extension, the width of the grip portion comprising a support portion smaller than the distance between the adjacent rollers of the transfer device; may include.

In addition, the conveying device includes a pair of legs provided on the conveyor, and a lying down bar provided between the pair of legs, and the step (S54) includes the packaging container being seated on the upper part, and the vertical direction. It can be carried out by a rotating disk rotating about the central axis.

The present invention having the above configuration and characteristics has the effects of easy control of the particle size and weight of the refractory processed article, improved adhesion, and easy packaging and handling.

1 is a schematic flowchart for explaining a method of manufacturing a refractory article according to an embodiment of the present invention.
2 is a view for explaining a coarse crusher.
3 is a view for explaining the mixer.
4 is a view for explaining the packaging machine.
5 is a view for explaining a packaging container that moves in an upright state in the transfer device.
6 is a view for explaining a roller and a robot arm of the transfer device.
7 is a view showing a state in which the packaging container is gripped by the robot arm.
8 is a view showing a state in which the spore container detached from the robot arm is loaded.
9 is a view for explaining that the packaging container is wrapped by the rotating disk.
10 is a view for explaining a pair of legs and a lying down bar.
11 is a view for explaining a further embodiment of the present invention.
12 is a plan sectional view taken along line AA′ in FIG. 11 .

The present invention is intended to be described in detail in the text of the embodiment (態樣, aspect) (or embodiments) can be applied to various changes and can have various forms. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

The terminology used herein is only used to describe a specific embodiment (aspect, aspect, aspect) (or embodiment), and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as comprises or consists of are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

~1~, ~2~, etc. described in the present specification will be referred to only to distinguish that they are different components, and are not limited to the order of manufacture, and their names in the detailed description and claims of the invention are may not match.

Throughout this specification, when a part is said to be “connected” to another part, it is not only “directly connected (including electrical connection)” but also “indirectly connected” with another element interposed therebetween. (including electrical connections)”.

1 is a schematic flowchart for explaining a method for manufacturing a refractory processed article according to an embodiment of the present invention, and FIG. 2 is a view for explaining a coarse crusher.

The refractory processed article manufacturing method (refractory processed article manufacturing and packaging method) according to an embodiment of the present invention is a method for manufacturing and packaging an irregularly shaped refractory processed article, and hereinafter will be referred to as 'this method' for convenience of description.

1 and 2, the present method (a method of manufacturing a refractory processed product according to an embodiment of the present invention) is a grinding step (S10), a particle size separation step (S20), a measuring step (S30), a mixing step (S40) and a packaging step (S50).

The pulverizing step (S10) is a step (S11) of crushing the refractory raw material into an aggregate by using the coarse grinder 11, and crushing the refractory raw material or the aggregate using a fine pulverizer (not shown) to form a powder (fine powder) It includes a manufacturing step (S12).

Here, the refractory raw material is exemplarily alumina, bauxite, diaspore, mullite, kyanite, bentoite, shamotte, silica rock, pie. pyrophyllite, sillimanite, andalusite, chromite, spinel, magnesia, zirconia, zircon, chromia, silicon nitride, aluminum nitride, silicon carbide, boron carbide, graphite It may contain one or more of carbon, such as titanium boronide, zirconium boronide, clay, perlite, and ceramics.

The coarse crusher 11 may be illustratively a JAW CRUSHER commonly used in the field.

The coarse crusher 11 is a device for crushing the refractory raw material into gravel and an alliance size, and may include a pair of vibrating plates connected to a power source. The refractory raw material passing through the coarse crusher 11 may be manufactured into aggregate.

The fine crusher may be illustratively an IMPACT CRUSHER, and the above-mentioned IMPACT CRUSHER collides the above-described refractory raw material or the aggregate crushed by the coarse crusher 11 to a collision member (eg, a metal plate) and the like (eg, spraying). ) It is a device that crushes the powder into mm size. A fine pulverizer is also commonly used in the art, and a more detailed description thereof will be omitted.

Referring to FIG. 1 , the particle size separation step ( S20 ) is a step of classifying a pulverized product including at least one of the powder and the aggregate by particle size using a vibrating separator.

A vibration screen (not shown) is generally used to classify powders and the like by particle size, and includes a sieve and a vibration generator that vibrates a frame with a sieve.

Such a vibrating separator is generally provided on the upper part and includes an upper body that vibrates and rotates about a pair of rolls as both axes, a lower body that is provided on the lower part of the upper body and has a smaller hole than the hole of the upper body, etc. , The pulverized material with a large particle size filtered from the upper body moves to the rear end along the movement direction of the upper body and falls, and the pulverized material with a small particle size passes through the upper body and is seated on the lower body and classified (lower body) Also, like the upper body, it can be rotated around both axes as the central axis). The above-mentioned vibration sorter is conventional in the relevant field, and a more detailed description thereof will be omitted.

Referring to FIG. 1 , the weighing step ( S30 ) is a step of measuring the weight of the pulverized product classified by particle size. The metering step (S30) may be performed by a meter (not shown).

The pulverized product classified by particle size in the particle size separation step (S20) may be accommodated and stored in different bags for each particle size, and the weighing step (S30) is classified by particle size and measured by measuring the weight of each accommodated bag for each particle size. The weight of the classified pulverized material can be measured.

3 is a view for explaining the mixer.

Referring to FIGS. 1 and 3 , the mixing step ( S40 ) is a step of mixing the pulverized product with an auxiliary agent including a thickener to prepare a refractory product (amorphous refractory processed product).

The mixing step (S40) is performed by the mixer 4 (), and the mixer 4 is provided inside the housing (H) in which the pulverized material is accommodated and the housing (H) and is connected to a motor. It may be a PAN Mixer including a rotating stirring blade and the like.

The thickener may include at least one selected from natural clay powder such as polyvinyl acetate, bentonite, or kaolin, ultra-fine clay, polyvinyl alcohol, or methyl cellulose. The thickener may preferably be methylcellulose.

In the mixing step (S40), 0.0009 to 0.002 parts by weight of the auxiliary agent (thickener) may be mixed with respect to 100 parts by weight of the pulverized material, and the thickener serves to improve the adhesion of the refractory article manufactured by the present method. do. When less than 0.0009 parts by weight of the thickener is used, the adhesive strength of the refractory processed article is reduced, and when used in excess of 0.002 parts by weight, there is a problem in that curing delay and strength decrease appear.

As such, the present method has an advantage in that it is possible to adjust the particle size and weight of the pulverized product used in the refractory processed product by including the particle size separation step (S20) and the measuring step (S30). That is, when you want to construct a rougher surface than when constructing an irregular refractory, you can use a pulverized product with a large particle size, and when you want to construct a smoother surface, you can use a larger pulverized product with a smaller particle size.

In addition, by using the aggregate and the powder together, there is an advantage that the amount of aggregate and the amount of powder used can be adjusted when the powder fills the gap between the aggregates to improve the binding force of the aggregate.

In particular, as described above, the present method has the advantage that the adhesive strength of the refractory article manufactured by the present method can be improved by using a thickener.

4 is a view for explaining a packaging machine, FIG. 5 is a diagram for explaining a packaging container moving in an erected state in the transport device, FIG. 6 is a diagram for explaining the rollers and the robot arm of the transport device, FIG. 7 is a view showing a state in which the packaging container is gripped by the robot arm, FIG. 8 is a view showing the state in which the spore container detached from the robot arm is loaded, and FIG. 9 is the packaging container being wrapped by the rotating disk It is a drawing for explanation.

1 and 4 to 9 , the packaging step (S50) is a step (S51) of accommodating the refractory processed product in the packaging container (51a) by the packaging machine (51), using the robot arm (53). At least one of the step (S53) of loading the packaging container (51a) and the step (S54) of wrapping the loaded packaging container (51a).

1, 4 and 5 , the packaging container 51a in which the refractory processed product is accommodated in the step (S51) may be an exemplary bag.

In the step (S51), the packaging machine 51 includes a case (not shown) for accommodating the refractory processed product inside, and an input unit 511 provided in the case (not shown) to discharge the refractory processed product to the outside of the case. can Of course, the input unit 511 may be opened and closed by an opening/closing valve.

Also, in the step (S51), the packaging machine 51 may include a sealing part 512 for sealing the packaging container 51a. The sealing part 512 may be an exemplary heat-sealing device, and the packaging container 51a may be sealed by heat-sealing in the sealing part 512 to accommodate the refractory processed product therein.

Meanwhile, referring to FIGS. 5 and 6 , the packing step S50 may include a transporting step S52 of transferring the packing container 51a from the packing machine 51 side to the robot arm 53 side to be described later.

The conveying step (S52) is illustratively connected to a belt conveyor 521 including a belt 521a rotating with a pair of rotating parts (rolls) as both axes, and a plurality of rollers connected to each driving device to rotate. a roller conveyor 524 including 524a.

Illustratively, the roller conveyor 524 may be disposed on the rear end side of the belt conveyor 521, where the front end and the rear end are based on the moving direction of the packaging container 51a in the conveying device 52, and the conveying In the device 52 , the packaging container 51a may move from the front end to the rear end.

6 to 9 , the robot arm 53 may include a base 531 installed on the floor, and a link unit 532 having one end rotatably connected to the base 531 .

The base 531 and the link unit 532 may be connected through a joint that rotates about the horizontal direction as a central axis.

The above joint corresponds to a joint in the robot arm 53 . The link unit 532 includes a plurality of links, and the plurality of links may be rotatably connected through other joints.

The joint may be rotated by being connected to the driving unit, and the driving unit may be rotated in both directions by receiving a control signal from the control unit.

The robot arm 53 may include a holding unit 533 provided at the other end of the link unit 532 and including a pair of rotating rods 533a that rotate about the horizontal direction as a central axis.

Here, one end refers to a side end connected to the base 531 with respect to the link unit 532 , and the other end refers to a side end connected to the grip unit 533 in the link unit 532 .

Exemplarily, the other end of the link part 532 may be provided with a plate in which a through hole is formed so that the rotary rod 533a is installed therethrough, and the upper link part 532 is connected to the rotary rod 533a at the other end of the rotary rod 533a. A driving module for rotating the may be provided.

The driving module may also rotate by receiving the control signal of the control unit.

Various control configurations known to those skilled in the art (eg, various electronic devices or electronic modules such as computers and processors) may be applied to the controller (not shown). For example, the control unit (not shown) may be configured to transmit a signal or command generated according to a program or algorithm included therein to the driving unit and the driving module. For example, the control unit (not shown) may be included in the driving unit or the driving module, or may be provided separately from the driving unit or the driving module in a position adjacent to the driving unit or the driving module, and may be connected to the driving unit and the driving module by wire or wirelessly.

At this time, the grip portion 533 is a pair of vertical portions 533b connected to each of the pair of rotating rods 533a (as shown in FIG. 7 , the grip portion 533 holds the packaging container 51a) It is provided on the rotary rod 533a and extends in the vertical direction), and may include a support portion 533c that is provided to extend inwardly from the lower end of each of the pair of vertical portions 533b (a pair of rotary rods 533a). A pair of rotating rods from the bottom of the vertical portion 533b connected to any one extending from the lower end of the pair of rotating rods 533a to the lower end side of the other one of the pair of rotating rods 533a connected to the other one of the vertical portions 533b from the lower end (533a) extending to the lower side).

Here, the inner side refers to the side of the center line provided between the lower ends of the pair of vertical portions 533b.

At this time, the width (diameter) of the support portion 533c is provided to be smaller than the separation distance between the adjacent rollers 524a of the transfer device 52, so that the support portion 533c is inserted between the adjacent rollers 524a. can

Through this, the support part 533c of the holding part 533 can easily support the lower side of the packaging container 51a disposed on the plurality of rollers 524a and lift it upward, and the present method is a robot arm 53 . By including the step (S53) of loading the packaging container (51a) using the, there is an advantage that the packaging container (51a) loading process can be automated.

Referring to FIG. 9 , the step (S54) described above may be performed by the rotating disk 54 having the packaging container 51a seated thereon and rotating about the vertical direction as a central axis. Illustratively, the rotating disc 54 may be connected to a driving motor provided in the center of the lower surface of the rotating disc 54 to rotate.

Therefore, as the rotating disc 54 rotates while the wrap is attached to the side formed by the plurality of packaging containers 51a loaded on the rotating disc 54, the multiple packing containers 51a are wrapped by the wrap. can make it go away

10 is a view for explaining a pair of legs and a lying down bar.

5, 6 and 10, the conveying device 52 includes a pair of legs 522 and a pair of legs provided on the conveyor (one of the belt conveyor 521 and the roller conveyor 524). It may include a laying down bar 523 provided between the legs 522 .

A pair of legs 522 is provided on both sides of the conveyor based on the moving direction of the packaging container 51a and protrudes upward, and the laying bar 523 is positioned between the pair of legs 522 above. It can be a horizontal beam connecting the

At this time, the distance of the laying down bar 523 at the top of the conveyor may be smaller than the height of the packaging container 51a moving in a standing state on the conveyor, and therefore the packaging container 51a moving in a standing state on the conveyor as shown in FIG. 5 is As shown in FIG. 10 , it is laid down on the conveyor as it passes through the laying down bar 523 , and may move to the rear end of the conveyor as shown in FIG. 6 .

Through this, the packaging container 51a erected in the packaging machine 51 moves toward the robot arm 53 and automatically lays down, so that the gripper 533 easily grips the packaging container 51a.

On the other hand, the housing (H) has a bottom (not shown), a side wall (H1) protruding upward (which may protrude obliquely) from the edge of the bottom part (not shown), and a cover ( H2) and a locking means (H3) for coupling the sidewall (H1) and the cover (H2). The cover H2 covers the opening formed by the upper end of the sidewall H1 .

In the housing (H), the side wall (H1) and the bottom portion provided at the lower end of the side wall (H1) constitute the main body. The main body needs to be fixed with the side wall H1 by putting the pulverized material and auxiliary agents into the internal space of the main body in the state in which the above-described opening is formed, and covering the opening through the cover H2. The locking means (H3) is a means for coupling the side wall (H1) and the cover (H2).

Referring to FIG. 11 , the locking means H3 will be described in more detail. The locking means H3 is provided below the vertical bar H31 and the vertical bar H31 protruding downward from the lower end of the cover H2. It may include a pressing body (H32) that is disposed, the width is reduced toward the lower side, and a detachable coupling means (H33) for detachably coupling the vertical bar (H31) and the pressing body (H32).

The above-described detachable coupling means (H33) will be described in more detail in the following description.

In addition, the locking means (H3) may include a horizontal fluid pipe (H34) provided on the side wall (H1), a piston (H35) disposed inside the horizontal fluid pipe (H34) to move in the horizontal direction.

A part of the horizontal fluid pipe (H34) can be inserted and fitted to the outside from the inner surface of the side wall (H1), has a length in the horizontal direction when installed on the side wall (H1), and is closed by a piston (H35) The space may be filled with a fluid such as air therein.

A rod is connected and fixed to the piston (H35), and the rod passes through the horizontal fluid pipe (H34) and at least a part protrudes to the outside of the horizontal fluid pipe (H34) to be disposed in the inner space of the body. A part of the rod protruding from the horizontal fluid pipe H34 is connected and fixed to a movable body H36 to be described later.

The locking means (H3) includes a moving body (H36) connected to the piston (H35) via the rod as described above, and the moving body (H36) increases in width toward the lower side, unlike the pressing body (H32). do. At this time, the separation distance between the moving body (H36) and the horizontal fluid pipe (H34) may always be shorter than the separation distance between the pressing body (H32) and the horizontal fluid pipe (H34). That is, the pressing body (H32) may be disposed closer to the center side parallel to the vertical direction of the inner space of the body than the movable body (H36) (right side with reference to FIG. 11).

As shown in [A] of Figure 11, when the cover (H2) moves downward, the pressing body (H32) and the moving body (H36) come into contact, as described above, the pressing body (H32) toward the lower side Since the width is increased and the moving body (H36) decreases in width toward the lower side, as the pressing body (H32) moves downward, the moving body (H36) is a horizontal fluid pipe (H34) from the side wall (H1) is inserted into the installation groove (H11) side (the left side with reference to FIG. 11). At this time, since the piston (H35) also moves toward the installation groove (H11), the space of the horizontal fluid pipe (H34) is compressed to increase the hydraulic pressure.

As shown in [B] of Figure 11, when the pressing body (H32) is further moved downward and disposed below the movable body (H36), the movable body (H36) is the horizontal fluid pipe (H34) under the pressure of the space portion. is moved again in the direction away from the installation groove (H11) (right side in FIG. 11), and thus at least a portion of the movable body (H36) may be disposed on the upper portion of the pressing body (H32).

Therefore, since the upper end of the pressing body (H32) connected to the cover (H2) is caught on the lower end of the movable body (H36) connected to the side wall (H1) and cannot move upward, the cover (H2) is connected to the side wall ( Since it cannot move upward with respect to H1), the cover H2 and the side wall H1 are coupled. That is, as long as the cover H2 moves downward, it can be combined with the side wall H1.

11, the locking means (H3) is a lower extension (H37) extending downward from the lower end of the movable body (H36), a locking protrusion (H38) extending in the horizontal direction from the lower end of the lower extension portion (H37). may include The locking protrusion H38 may extend from the lower end of the lower extension portion H37 in a direction away from the installation groove H11 (right side in FIG. 11 ).

At this time, the locking means (H3) may include a locking groove portion (H39) recessed inwardly so that the locking protrusion (H38) is inserted from the upper outer surface of the pressing body (H32).

That is, as shown in [B] of FIG. 11, when the movable body H36 moves again in the direction away from the installation groove H11 (right in FIG. 11), the locking protrusion H38 is inserted into the locking groove H39. can be Through this, it is possible to effectively suppress the movement of the cover (H2) in the horizontal direction with respect to the sidewall (H1).

That is, as long as the cover H2 moves downward, it is possible to suppress upward movement with respect to the side wall H1 and effectively suppress movement in the horizontal direction.

On the other hand, as described above, the locking means (H3) is said to include the detachable coupling means (H33), hereinafter, the detachable coupling means (H33) will be described in more detail.

The detachable coupling means (H33) is provided at the lower end of the vertical bar (H31), the slide protrusion (H331) having an outer diameter larger than the outer diameter of the vertical bar (H31), and the vertical bar (H31) on the upper outer surface of the pressing body (H32) ) may include a slide groove (H332) recessed into the lower end and the slide protrusion (H331) to be inserted.

The slide groove (H332) is a vertical groove (H332a) recessed downward so that the vertical bar (H31) is inserted from the upper surface of the pressing body (H32) and the slide projection (H331) is formed from the side of the vertical groove (H332a) It may include a horizontal groove (H332b) recessed in the horizontal direction to be inserted.

At this time, the vertical bar H31 is provided at an eccentric position from the cover H2, and the slide groove H332 moves the vertical bar H31 when the cover H2 rotates in one direction, as shown in FIG. 12 . It may be formed along a path (the movement path of the vertical bar H31 when the pressing body H32 is viewed in a plan sectional view).

Therefore, when the cover (H2) in [B] of FIG. 11 rotates with the center line parallel to the vertical direction as the central axis, the vertical bar (H31) is provided with an eccentricity in the cover (H2) and moves, so that the center line is the central axis moves along the circumferential direction (corresponding to the formation direction of the slide groove H322 when viewed in a plan view), and at this time, the slide projection H331 comes out of the slide groove H332, and the vertical slide projection H331 is provided. The bar H31 and the pressing body H32 may be separated.

Thereafter, the cover H2 may be moved upward as shown in FIG. 11 [C], and the coupling between the cover H2 and the sidewall H1 is released.

Thereafter, by allowing the locking protrusion H38 to come out of the locking groove portion H39, the coupling between the pressing body H32 and the movable body H36 can be released, and the slide groove H332 formed in the pressing body H32. ) by inserting and moving the slide projection (H331), the vertical bar (H31) and the pressing body (H32) can be recombined and used.

As described above, since the vertical bar (H31) and the pressing body (H32) are detachably coupled by the detachable coupling means (H33), it is easy to replace any one of the vertical bar (H31) and the pressing body (H32). It also has the advantage of being easy to maintain. This is a great advantage in that the pressing body (H32) repeatedly contacts the above-described moving body (H36).

The present invention described above with reference to the accompanying drawings is capable of various modifications and changes by those skilled in the art, and such modifications and changes should be construed as being included in the scope of the present invention.

Crusher: 11 Mixer: 4
Packing machine: 51 Inlet: 511
Seal: 512 Container: 51a
Conveyor: 52 Belt Conveyor: 521
Belt: 521a Legs: 522
Lay down bar: 523 Roller conveyor: 524
Roller: 524a Robot arm: 53
Base: 531 Link part: 532
Grip part: 533 Rotating rod: 533a
Vertical: 533b Support: 533c
Rotating disc: 54

Claims (4)

Crushing the refractory raw material using a coarse grinder to produce an aggregate (S11) and using a fine grinder to crush the refractory raw material or the aggregate to produce a powder (S12); a grinding step (S10);
a particle size separation step (S20) of classifying the pulverized product including at least one of the powder and the aggregate by particle size using a vibrating separator;
a weighing step of measuring the weight of the pulverized product classified by particle size (S30);
A mixing step (S40) of mixing the pulverized product and an auxiliary containing a thickener to produce a refractory product; and
At least one of the step of accommodating the refractory processed product in the packaging container using a packaging machine (S51), the step of loading the packaging container using a robot arm (S53), and the step of wrapping the loaded packaging containers (S54) a packaging step (S50);
including,
The packing step (S50) further includes a transporting step (S52) of transferring the packing container from the packing machine side to the robot arm side by a transport device including a plurality of rollers,
The robot arm is
Base;
a link portion rotatably connected to the base; and
A pair of rotating rods provided at the other end of the link unit and rotating about a horizontal direction as a central axis, a pair of vertical portions connected to each of the pair of rotating rods, and a lower end of each of the pair of vertical portions extending inward a gripping part having a width smaller than a distance between adjacent rollers of the conveying device including a support part provided;
including,
The transfer device is
A pair of legs provided on the conveyor, and a lying down bar provided between the pair of legs,
The step (S54) is performed by a rotating disc that is seated on the upper part of the packaging container and rotates about the vertical direction as a central axis,
The mixing step (S40) is performed by a mixer including a housing,
The housing includes a bottom portion, a side wall protruding upward from an edge of the bottom portion, a cover covering an upper end of the side wall, and a locking means for coupling the side wall and the cover,
The locking means includes a vertical bar protruding downward from the lower end of the cover, a pressing body disposed below the vertical bar and having a width decreasing toward the lower side, and a detachable coupling for detachably coupling the vertical bar and the pressing body. means, a horizontal fluid pipe provided on the side wall, a piston disposed inside the horizontal fluid pipe, and a movable body connected to the end of the piston and increasing in width toward the lower side, from the lower end of the movable body to the lower side An extended lower extension part, a locking protrusion extending in a horizontal direction from the lower end of the lower extension part, and a locking groove formed inwardly recessed so that the locking protrusion is inserted from the upper outer surface of the pressing body,
The detachable coupling means is provided at the bottom of the vertical bar, a slide protrusion having an outer diameter larger than the outer diameter of the vertical bar, and a slide groove recessed into the inside so that the lower end of the vertical bar and the slide protrusion are inserted from the upper outer surface of the pressing body. including,
The vertical bar is provided at an eccentric position in the cover, and the slide groove is formed along a movement path of the vertical bar when the cover rotates. delete delete delete

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