KR100983400B1 - Preparation method and apparatus for samples for analysis of recyclable material - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide an analytical sample preparation method and apparatus capable of automating everything from pulverization to bag packaging, thereby enabling the preparation of 200 samples per day.

The sample preparation method for preparing an analytical sample for analysis of a recycled raw material used for copper smelting is a sample magazine for storing a tray having a mat of finely ground recycled raw materials around the robot 2 [3 (3a , 3b, 3c), a bag packaging device 5 for analytical samples, a fine grinding machine 6 for pulverizing the coarsely crushed mat, and a pre-cleaning mat for cleaning the fine pulverizer used in the post-process. And a splitter 7 for producing an analytical mat for an analytical sample, a sample meter 8, a waste box 9, and fully automated by operating the robot 2.

Robots, Sample Magazines, Bag Packaging, Sample Weighers, Grinding Machines, Splitters

Description

Sample preparation method and apparatus for analysis of recycled raw materials {PREPARATION METHOD AND APPARATUS FOR SAMPLES FOR ANALYSIS OF RECYCLABLE MATERIAL}

The present invention relates to a sample preparation method and apparatus for preparing an analytical sample for evaluating valuables of recycled raw materials. For example, this invention is used in the recycling business of nonferrous smelting, copper smelting, or a metal material.

In recent years, metal scraps generated during metal processing, plating, and electronic material processes, and parts taken out from used electronic devices are utilized as raw materials (recycled raw materials) such as copper smelting, thereby promoting effective utilization of resources and recovery of valuable metals. Is done.

In the smelting, such recycled raw materials are supplied directly to a furnace or converter (PS converter) by crushing or the like.

In the smelting process, since it is purchased for the purpose of recovering valuable metals, it is necessary to sample and sample all of the recycled raw materials that have been received, and to accurately analyze the content of valuable metals to be sold.

For example, Patent Document 1 discloses a sampling device capable of automatically sampling a recycled raw material in a recycled raw material processing device. This sampling apparatus will be described below with reference to FIGS. 6 and 7.

The sampling device 200 is provided in the recycle raw material processing device 100. The recycling raw material processing apparatus 100 includes a hopper 110 for receiving recycled raw material R, a primary cutting feeder 120, a first discharge conveyor 130, and a second discharge conveyor 140. have.

The primary cutting feeder 120 is equipped with a means for crushing a sample such as a multi screw (crusher) 121 installed in the hopper 110 and a cutting conveyor 122, and recycled raw material of 50 to 150 mm × 100 mm. Is transferred to the first discharge conveyor 130 by the cutting conveyor 122.

The sampling apparatus 200 is equipped with the secondary cutting feeder 150 which functions as a 1st collection part, and the sampling box 210 which functions as a 2nd collection part.

The secondary cut feeder 150 includes a recovery box 151 and a conveyance belt 153. The secondary cutting feeder 150 is movable in the arrow X direction in FIGS. 6 and 7, and receives the crushed recycled raw material R falling from the cutting conveyor 122 to the first discharge conveyor 130. .

The recycled raw material R pulverized in this way is conveyed by the conveyance belt 153, and is sampled by the sampling apparatus 200. The sampling apparatus 200 is provided with the sampling box 210 which can move to the arrow Y direction in FIG. 7, and receives the recycled raw material R from the conveyance belt 153. As shown in FIG.

As described above, the sampling device 200 described in Patent Document 1 is configured to collect (sample) the recycled raw material pulverized to a predetermined size into the sampling box 210. In addition, the recycled raw material sampled by the sampling apparatus 200 is 50-150 mm x 100 mm in size as understood from the above.

[Patent Document 1] Japanese Unexamined Patent Publication No. 2003-106948

The sample for analysis sampled by such a sampling apparatus 200 is axially (minimized) by manual labor, and it melt | dissolves a certain amount with sulfide light in order to make uniform, and makes it into a mat. The matted analytical sample is coarsely ground with a jaw crusher to 3 mm or less. It is necessary to prepare the analytical sample grind | pulverized to 0.150 mm or less after making it into 1/10 using the milling machine for the mated analytical sample of 3 mm or less, using a mill mill.

The manufacture of the sample for analysis of such a recycling raw material is conventionally performed by the combination of a manual labor and a semi-automated apparatus. In addition, from the viewpoint of recycling resources in recent years, the amount of recycled raw materials to be accepted has increased, and it is required to prepare a large amount of samples, and thus it is necessary to prepare 100 to 200 analysis samples per day.

Conventional manual labor and preparation of semi-automated samples are not efficient and require further improvement.

Therefore, an object of the present invention, after mating, and coarsely pulverized with a jaw crusher, to automate all the process from the process of condensation to the fine grinding and pouch packaging, the process of 200 analysis samples per day It is to provide a method and apparatus for preparing a sample for analysis of a recycled raw material that enables preparation.

The said object is achieved by the sample preparation method and apparatus for analysis of the recycling raw material which concerns on this invention. In summary, according to the first invention, it is a sample preparation method for preparing a sample for analysis of recycled raw materials,

(a) a step of storing a tray containing a coarse grinding mat obtained by coarsely crushing the matized recycled raw material into a sample magazine;

(b) transferring a tray containing the coarse grinding mat housed in the sample magazine to an axle to feed a coarse grinding mat to the axle;

(c) dividing the coarsely crushed mat into two parts by a preliminary cleaning mat for cleaning the pulverizer used in a later step, and an analytical mat for pulverizing the sample as an analytical sample;

(d) transferring the preliminary cleaning mat to a fine grinding machine and pulverizing the fine grinding machine by using a fine grinding machine to clean the fine grinding machine, and transferring the finely ground pre-cleaning mat to a waste box for disposal;

(e) after the step (d), transferring the analytical mat to the pulverizer and pulverizing it;

(f) transferring the pulverized analytical mat to a meter;

(g) measuring the finely divided analytical mat by the meter, dividing the finely divided analytical mat into a predetermined number, and transferring the finely divided analytical mat as a finely divided analysis mat for an analytical sample;

(h) a method for preparing a sample for analysis of recycled raw materials, comprising the steps of dividing the fine grinding analysis mat into a predetermined number by the bag packing apparatus, bag packing as an analysis sample, and attaching a barcode. Is provided.

According to the first aspect of the present invention,

In the step (b), transferring the tray containing the coarse grinding mat, accommodated in the sample magazine, to the axle to feed the coarse grinding mat to the axle;

Transferring the pre-cleaning mat in the step (d) to the fine grinding machine, and transferring the pre-crushed pre-cleaning mat to the waste box,

Transferring the analysis mat in the step (e) to the grinding mill;

Transferring the finely ground analytical mat in the step (f) to the meter;

In the step (g), the pulverizing analysis mat is transferred to the bag packaging device at least by a robot.

According to a second aspect of the present invention, there is provided a sample preparation method for preparing a sample for analysis of a recycled raw material,

(a) a step of storing a tray containing a coarse grinding mat obtained by coarsely crushing the matized recycled raw material into a sample magazine;

(b) transferring the tray containing the coarse grinding mat housed in the sample magazine to the shaft branch to feed the coarse grinding mat to the shaft branch, and returning the empty tray to the sample magazine;

(c) dividing the coarsely crushed mat into two parts by a preliminary cleaning mat for cleaning the pulverizer used in a later step, and an analytical mat for pulverizing the sample as an analytical sample;

(d) The pre-cleaning mat is accommodated in a cup supplied from a cup magazine and transferred to a fine grinding machine, the fine grinding machine is cleaned by fine grinding by the fine grinding machine, and the fine grinding mat is discarded. Transporting to a box for disposal, and transferring the empty cup to a cleaning device and returning to a cup magazine after cleaning;

(e) after the step (d), accommodating the analysis mat in a cup supplied from a cup magazine, transferring the grinder to the grinding mill, and

(f) transferring the pulverized analytical mat to a meter;

(g) measuring the finely divided analytical mat by the meter and dividing the finely divided analytical mat into a predetermined number; A process, a step of transferring the empty cup after transferring the mat to the bag packing device to the cleaning device, a step of returning the empty cup after cleaning to a cup magazine, and a step of transferring the remaining sample of the meter to a waste box;

(h) a method for preparing a sample for analysis of recycled raw materials, comprising the steps of dividing the fine grinding analysis mat into a predetermined number by the bag packing apparatus, bag packing as an analysis sample, and attaching a barcode. Is provided.

According to the second aspect of the present invention,

In the step (b), the tray accommodated in the sample magazine is transferred to the shaft branch to feed a coarse grinding mat into the shaft branch;

Transferring the pre-cleaning mat to the fine grinding machine in step (d), transferring the pre-crushed pre-cleaning mat to the waste box, and transferring the empty cup to the cleaning device. And conveying the empty cup after washing to the cup magazine,

Transferring the analysis mat in the step (e) to the grinding mill;

Transferring the finely ground analytical mat in the step (f) to the meter;

In step (g), the fine grinding analysis mat of the meter is transferred to the bag packaging device, the remaining sample of the meter is transferred to the waste box, and the empty cup is transferred to the cleaning device. The transfer and the transfer of the empty cup after washing to the cup magazine are performed at least by a robot. According to another embodiment, the robot rotates the empty cup by the cleaning apparatus, and compressed air from the cleaning apparatus is blown onto the inner and outer peripheral surfaces of the empty cup.

According to a third aspect of the present invention, there is provided a sample preparation device for preparing a sample for analysis of a recycled raw material,

(a) a sample magazine accommodating a tray containing a coarse grinding mat obtained by coarsely crushing a matized recycled raw material;

(b) an axle for dividing the coarse grinding mat from the tray into a pre-cleaning mat and an analytical mat;

(c) a pulverizer for pulverizing the preliminary cleaning mat divided into two by the shaft mill, and then pulverizing the analytical mat;

(d) a meter for weighing and dividing the analysis mat pulverized by the pulverizer into a predetermined number;

(e) transfer means for transferring the tray accommodated in the sample magazine to the shaft branch and injecting the mat accommodated in the tray into the shaft branch;

(f) a cup magazine for receiving a cup for receiving and transporting a two-divided mat from the shaft mill, an unmilled mat from the mill, and a metered mat from the meter;

(g) transfer means for accommodating the preliminary cleaning mat in a cup supplied from the cup magazine and transferring it to the fine grinding machine, and transferring the preliminary cleaning mat, which is finely ground by the fine grinding machine, to a waste box for disposal. and,

(h) conveying means for receiving the analysis mat in a cup supplied from the cup magazine and transferring it to the grinding mill;

(i) transfer means for receiving the analytical mat ground by the grinding machine into the cup and transferring it to the meter;

(j) a bag packaging device which is weighed by the meter and divided into a predetermined number to divide the fine crushing analysis mat into a predetermined number, and pouch the packaging as an analysis sample, and attach a barcode;

(k) A sample preparation device for analysis of recycled raw materials is provided having a transfer means for accommodating the pulverized analysis mat in a cup supplied from the cup magazine and transferring it from the meter to the bag packaging device.

According to a first aspect of the third aspect of the present invention, at least,

The conveying means for conveying the tray accommodated in the sample magazine to the shaft branch and injecting the coarse grinding mat accommodated in the tray into the shaft branch;

The transfer means for transferring the preliminary cleaning mat to the fine grinding machine, and transferring the preliminary cleaning mat, which is finely ground by the fine grinding machine, to a waste box;

The transfer means for transferring the analysis mat to the grinding mill;

The transfer means for transferring the analytical mat pulverized by the pulverizer to the meter;

The transfer means for transferring the pulverized analysis mat from the meter to the bag packaging device is constituted by a robot. According to another embodiment, there is a cleaning device for cleaning an empty cup used in the pulverizer or the meter, and according to another embodiment, the robot further includes a conveying means for moving the empty cup to the cleaning device. And as a means for rotating the empty cup in the cleaning apparatus.

According to the present invention, a sample of sampled recycled raw materials containing Cu, Au, Ag, Pt, and Pd used for copper smelting, etc. is matted, and then coarsely pulverized with a jaw crusher, and an analytical sample of 3 mm or less is obtained. From milling to pulverization and bag packaging, the automation allows for the preparation of 200 analytical samples per day.

(First embodiment)

Hereinafter, an analytical sample preparation method and apparatus according to the present invention, namely, a method and apparatus for preparing a sample for analysis of recycled raw materials containing Cu, Au, Ag, Pt, and Pd used for copper smelting, will be described with reference to the drawings. It demonstrates in more detail.

Fig. 1 is a flowchart showing an embodiment of a method for preparing an analysis sample according to the present invention, and Figs. 2 and 3 show a schematic configuration of an embodiment of an analysis sample preparation device for carrying out such a sample preparation method.

According to the sample preparation method of the present invention, an analytical coarse grinding mat containing Cu, Au, Ag, Pt, and Pd is used as the raw material. This coarsely crushed mat is prepared by matting the sampled recycled raw material, then coarsely pulverized with a jaw crusher, and milling an analytical sample of 3 mm or less, pulverized and bag-packed.

First, an example of a sampling method and apparatus for collecting the sample material for analysis from the recycled raw material received will be described. The method for purchasing an analytical raw material used in the present invention is not limited to the following sampling methods and apparatuses, and can be obtained by various methods and apparatuses.

As a result of many research experiments, the present inventors, for example, recycled raw materials such as printed substrates that have not yet been pulverized, dividing the recycled raw materials into two stages, that is, coarsely pulverized by primary grinding. Then, by performing secondary grinding to obtain a raw material of a predetermined size, it was found that it is possible to obtain a recycling raw material of 30 mm or less that is effective in order to accurately grasp the content of valuables.

In this specification (and claims), the "size" of a crushed object shall mean the size through which the crushed object passes through a sieve having a predetermined mesh size. For example, 30 mm in size of a crushed object means the size through which a crushed material passes a sieve of 30 * 30 mm of mesh size.

5 shows a flowchart of an embodiment of a sampling method using a sampling facility.

Referring to Fig. 5, according to the sampling method according to the present embodiment, the printed board, such as a printed board taken out from a used electronic device or the like carried in a flexible container bag or the like, has not yet been crushed. The recycled raw material is charged into a primary crusher by a hoist crane and pulverized to a size of about 50 mm (that is, usually 10 to 100 mm) by a primary crusher (crude pulverization) (step (A)).

As the primary crusher, a twin screw mill is suitably used. As a twin screw mill, "Model KT42H (brand name)" by the company Co., Ltd. can be used, for example.

Subsequently, the coarsely crushed primary crushed material is pulverized to a size of 40 mm or less by a secondary crusher to become a secondary crushed product (step (B)). Shredders larger than 40 mm may be regrind by returning to the second shredder.

As the secondary crusher, a single screw mill is suitably used. As a single-axis grinder, "Model MR7 / 32SVC multi-rotor (brand name)" by Earth Technica, Inc. can be used, for example. This single screw type mill is equipped with the screen (sieve) whose mesh size is 40 * 40 mm, and can obtain the secondary shredding material of 40 mm or less.

In addition, the crushed secondary crushed material by the secondary crusher is filtered through a screen (sieve) having a mesh size of 30 mm x 30 mm (step (C)), so that the crushed material having a size of 30 mm or less, preferably 20 mm is sampled. It collects as a sample by an apparatus. Secondary shredders larger than 30 mm are returned to the second shredder and pulverized (step (D)). Thereby, the crushed material whose size is 30 mm or less can be collected as sampling efficiently.

As the sieve, a vibrating body is suitably used. As the vibrating body, for example, " call type 3 * 8, single-phase type, ML type (trade name) "

Secondary shredded material having a shredding dimension of 30 mm or less separated by the vibrating body is fed to a sampling facility equipped with a sampling device such as the sampling device 200 described above with reference to FIGS. 6 and 7, and the sample for analysis (raw material ) Is collected [process (E)].

In the above description, although a printed circuit board is used as a recycling raw material, it is not limited to this, and gold can be used as an electrical component chip such as ash, an IC chip, a plating chip, or the like.

Next, referring to Figs. 1 to 3, an analytical sample preparation method and apparatus for analyzing the recycled raw material containing Cu, Au, Ag, Pt, and Pd treated in the copper smelting process A sample preparation method and apparatus for preparing a sample will be described.

The analytical sample raw material used in the preparation method and apparatus of the present invention can be used by matting the analytical sample (raw material) described with reference to FIG. 5.

That is, the analytical sample (raw material) obtained by the sampling apparatus is further melted and matted with a certain amount of sulfide light to become a mated analytical sample raw material.

According to this embodiment, the matted analysis sample material of the recycled raw material obtained as described above as shown in Fig. 1 is further transferred to a grinder and coarsely crushed to a size of 3 mm or less. Jaw crusher is preferably used for the mill.

In this way, the crushed material obtained by coarsely crushing the matted sample material for analysis by a pulverizer, that is, the coarsely crushed mat, is a tray-shaped storage container (hereinafter referred to as a tray) of the sample preparation device 1 for analysis (4) It is stored in (refer FIG. 2), and is stored in the sample magazine 3 (3a, 3b, 3c) (refer FIG. 2, FIG. 3).

(Sample preparation device for analysis)

Here, with reference to FIG. 2 and FIG. 3, the schematic structure of the sample preparation apparatus 1 for analysis using a robot by this Example is demonstrated.

According to the sample preparation apparatus 1 for analysis of this embodiment, the robot 2 is arrange | positioned at the center part. As for the robot 2, "IRB 4400" (brand name) by ABB Corporation is used suitably.

Around the robot 2, sample magazines 3 (3a, 3b, 3c) for accommodating the tray 4 are disposed.

In addition, in this embodiment, three sample magazines 3 (3a, 3b, 3c) are provided, and each of the sample magazines 3 (3a, 3b, 3c) is a plurality of this embodiment for tray storage. In the example, 52 storage compartments, that is, storage rooms are provided. Therefore, in this embodiment, 156 trays can be stored in three sample magazines 3 (3a, 3b, 3c).

In addition, around the robot 2, the bag packaging apparatus 5, the pulverizer 6, and the splitter (axle branch) 7 are sequentially turned counterclockwise from the sample magazine 3 (3a, 3b, 3c). ), A sample meter 8, a waste box 9, and the like are arranged. If necessary, as shown in Fig. 3, a cup magazine 10 (10a, 10b), a cleaning device 20, and the like are provided. The cup magazine 10 accommodates the cups 11 (11a, 11b) for storing and conveying the matted sample, and the cleaning apparatus 20 washes after use of the cup containing the mat described later. It is to.

In particular, in the present embodiment, "TT-8C" (trade name) manufactured by Toyo Shidoka Co., Ltd. was used as the bag packaging device 5. The bag packaging apparatus 5 is provided with a barcode applying device 40 for attaching a lot number or the like to a sample packaged in the bag.

In addition, the grinding mill 6 was a vibration mill, and used the big mill (mill which the ring and stone move and grind | pulverize). 1.5 kg of grinding was possible. As such a pulverizer 6, "HP-M1500" (brand name) by Herzog Corporation can be used suitably.

Moreover, the sample preparation apparatus 1 for analysis is demonstrated in detail.

In this embodiment, the analytical sample preparation device 1 is provided with a sample magazine 3 as described above, and contains a tray containing a sample (coarse grinding mat) obtained by coarsely pulverizing a matized recycled raw material ( 4) housed. The tray 4 housed in the sample magazine 3 is transferred to the shaft branch 7 by the robot 2 acting as a conveying means, and the coarse grinding mat is fed into the shaft branch 7.

The shaft 7 divides the coarse grinding mat injected by the robot 2 into two parts, a pre-cleaning mat and an analysis mat. The pre-cleaning mat and the analysis mat divided into two are accommodated in the cup 11a supplied from the cup magazine 10a by the robot 2 and transferred to the grinding mill 6.

First, the pre-cleaning mat transferred to the fine grinding machine 6 is finely ground by the fine grinding machine 6. The pulverized pre-cleaning mat is returned to the original cup 11a to be accommodated, transferred to the waste box 9 by the robot 2, and discarded.

Further, the pulverizer 6 pulverizes the preliminary cleaning mat, and then pulverizes the analytical mat that is received and transported in the cup 11a by the robot 2.

The pulverized analytical mat is returned to the original cup 11a and received, and is transferred to the meter 8 by the robot 2.

The analytical mat weighed by the meter 8 and divided into a predetermined number is accommodated in the cup 11b supplied from the cup magazine 10b by the robot 2 to the bag packaging device 5 as an analysis sample. Transferred.

At this time, as another aspect, the analytical mat weighed by the meter 8 is once accommodated in the cup 11b, transferred to the cup magazine 10b by the robot 2, and after the temporary mounting, the bag packaging device 5 It can also be configured to transfer to). This is because the bag packaging requires time, so if the first bag packaging is waiting for completion, the second sample cannot be taken out from the meter 8, and the processing speed of the entire system is reduced. Therefore, in order to maximize the operation rate of the apparatus, a priority can be given to the processing, and for example, it is possible to provide a system for carrying out bag packaging after temporarily placing two cups 11b with the cup magazine 10b. .

The remaining sample remaining in the cup 11b after weighing with the meter 8 is transferred to the waste box 9 by the robot 2 and discarded.

According to the present embodiment, the cups 11 (11a, 11b) used by the robot 2 for the transfer of the mat to the pulverizer 6, the meter 8, and the like are used empty cups after use. As [11 (11a, 11b)], it is conveyed to the washing | cleaning apparatus 20 by the robot 2, and after it is wash | cleaned, it is conveyed to the cup magazine 10 (10a, 10b), and is accommodated.

The cups 11 (11a, 11b) are containers for receiving cup-shaped mats. The difference between the cups 11a and 11b depends on the capacity of the mat, and the cups 11a are about 970. ml and the cup 11b are about 100 ml.

With reference to FIG. 4A and FIG. 4B, the cleaning method of the end use cup 11 (11a, 11b) in the washing | cleaning apparatus 20 is demonstrated.

According to this embodiment, the robot 2 has an arm 2a for holding two kinds of cups 11a and 11b having different sizes. Which cup is to be gripped is appropriately selected by the robot.

Before washing the used cup 11, the robot 2 goes to the used cup 11 (11a, 11b) with the pulverizer 6 or the meter 8 (Fig. 4 (B)). (B-1)]. The robot 2 which grips the predetermined cup 11 (11a, 11b) with the arm 2a transfers the cup 11 to the washing | cleaning apparatus 20 by the robot 2 which functions as a conveying means (FIG. (B-2) of 4 (B)]. At this time, the cup 11 (11a, 11b) is conveyed with the opening upward.

As shown in Fig. 4A, the cups 11 (11a, 11b) transferred into the cleaning apparatus 20 are first mounted on an arm 2a which functions as a rotating means of the robot 2. It rotates by 180 degrees, and the opening part is arrange | positioned so that the compressed air injection nozzle 21 in the washing | cleaning apparatus 20 may be faced ((B-3) of FIG. 4 (B)). As shown in FIG. 4A, the cups 11 (11a and 11b) are transferred into the cleaning apparatus 20 and rotated 180 degrees as described above.

In this state, the cleaning compressed air 22 is injected from the spray nozzle 21, and the sample attached to the inner circumferential surface of the cups 11 (11a, 11b) is washed.

Subsequently, as shown in (B-4) of FIG. 4B, the cups 11 (11a and 11b) are compressed air 22 from the spray nozzle 21 sprayed at the opening edge thereof. Rotate up and down, left and right as possible. As a result, compressed air is blown not only to the inner circumferential surface of the cup 11 (11a, 11b) but also to the outer circumferential surface, and the sample attached to the cup is washed.

The cleaned cups 11 (11a, 11b) are subsequently rotated 180 degrees as shown in (B-5) of FIG. 4B, and the openings thereof are in an upward state, and the robot 2 It transfers from the washing | cleaning apparatus 20 to the cup magazine 10 (10a, 10b) which is a storage place (FIG. 4 (B-6)).

(Sample preparation method for analysis)

Next, with reference to FIG. 1, the further detailed operation aspect of the analysis sample preparation device 1 of the said structure, ie, the analysis sample preparation method based on the analysis sample adjustment device 1 of a present Example is demonstrated. do.

As described above, the crushed material obtained by coarsely crushing the matted sample material for analysis, ie, the coarsely crushed mat, is stored in a tray-shaped storage container (hereinafter referred to as a "tray") 4 (see FIG. 2). Then, it is stored in the sample magazine 3 (3a, 3b, 3c) (refer FIG. 2, FIG. 3) (process (a)). In this embodiment, 2 kg of coarse grinding mats can be accommodated in one tray 4.

Thus, when the coarse grinding mat is accommodated in the sample magazines 3 (3a, 3b, 3c), the robot 2 which functions as a conveying means operates, and the tray 4 accommodated in the sample magazine 3 is axle. It transfers to the branch 7, and throws a coarse grinding mat into the shaft 7 (process (b)). Moreover, the empty tray 4 is returned to the sample magazine 3 as needed. According to the present embodiment, the axial fraction ratio of the axial branch 7 is 1/2. That is, in this embodiment, the shaft mill 7 functions as a bifurcation, divides the coarsely crushed mat into two, and prepares a mat for preliminary cleaning for cleaning the pulverizer 6 to be used in a later step, and an analysis sample. To an analytical mat for the purpose (step (c)). In the present Example, 0.5-1.25 kg of the prewashing mat and the analysis mat were produced, respectively.

The two preliminary cleaning mats divided into two are transferred to the fine grinding machine 6 and finely ground to clean the fine grinding machine 6. Thereafter, the pulverized pre-cleaning mat is transferred to the waste box 9 by the robot 2 and discarded (step (d)). In addition, if necessary, the used empty cup 11a is transferred to the washing | cleaning apparatus 20, and it returns to the cup magazine 10a after washing | cleaning.

Subsequently, the other divided mat for analysis is transferred to the pulverizer 6 by the robot 2 and pulverized (step (e)). The pulverized analytical mat has a size of 0.149 mm or less. The pulverized analysis mat is transferred to the meter 8 by the robot 2 (step (f)). In addition, if necessary, the used empty cup 11a is transferred to the washing | cleaning apparatus 20, and it returns to the cup magazine 10a after washing | cleaning.

The meter 8 weighs the pulverized analytical mat (in this embodiment, 0.5 kg to 1.25 kg in total), so that the pulverized analytical mat for a predetermined amount (100 g in this embodiment) for analytical samples. As a result, it transfers to the bag packaging apparatus 5 (process (g)). In some cases, the cup 11b may be accommodated in the cup 11b and transferred to the cup magazine 10b by the robot 2, and then transferred to the bag packaging device 5 after temporary placement. The empty cup 11b is conveyed to the washing | cleaning apparatus 20, and the empty cup 11b is conveyed to the cup magazine 10b after washing | cleaning.

In addition, the remaining sample of the cup 11a remaining after the measurement with the meter 8 is transferred to the waste box 9 by the robot 2 and discarded. The used empty cup 11a is transferred to the washing | cleaning apparatus 20, and it returns to the cup magazine 10a after washing | cleaning.

The empty cup 11b is conveyed to the washing | cleaning apparatus 20, and the empty cup 11b is conveyed to the cup magazine 10b after washing | cleaning.

In the bag packaging device 5, a bar code sticking device, which is bag-packed as a sample for analysis by a predetermined amount, usually 50 to 100 g (100 g in the present embodiment), is placed in a predetermined amount, usually, for the pulverized analysis mat ( The barcode is attached by 40) (step (h)). As barcode information, the lot number etc. at the time of the raw material arrival of a sample are input. In particular, the lot number is used to calculate the analysis value of the valuable metal in response to the purpose of use of the sample, for example, copper analysis, dry use, and the like.

In addition, the bag packaging device 5 is equipped with a pelletizing device, i.e., a bag package sample holder (stocker) 30 (see Fig. 2), and the sample for analysis is, for example, the same. It is also possible to sort by lot, for example, dry or for storage.

In particular, according to the present embodiment, by the robot 2,

(1) transporting the tray 4 stored in the sample magazine 3 to the shaft branch 7 to feed the coarse grinding mat in the tray to the shaft branch 7, and the empty tray 4 to the sample magazine. Transporting,

(2) The cup 11a is transferred from the cup magazine 10a to the shaft branch 7, the pre-cleaning mat is accommodated in the cup 11a and transferred to the grinding mill 6, and the grinding mill ( Transfer the pre-cleaning mat pulverized by 6) to the waste box 9, and transfer the empty cup 11a to the cleaning apparatus 20 to clean the empty cup 11a after the cleaning of the cup magazine 10a. Transporting to

(3) Transferring the cup 11a to the shaft 7 from the cup magazine 10a, storing the analysis mat in this cup 11a, and transferring the cup 11a to the grinding mill 6, the grinding mill 6 Conveying the analytical mat ground to the meter 8, and transferring the cup 11a in which the sample remains after weighing the analytical mat to the meter 8 to the waste box 9, and the bin Transferring the cup 11a to the cleaning apparatus 20 to transfer the empty cup 11a to the cup magazine 10a after cleaning;

(4) transferring the cup 11b from the cup magazine 10b to the weighing machine 8, storing the crushing analysis mat in the cup 11b, and transferring the cup 11b to the bag packaging device 5, and the empty cup. (11b) can be transferred to the washing | cleaning apparatus 20, and the empty cup 11b can be transferred to the cup magazine 10b after washing | cleaning.

Therefore, in this embodiment, according to the first embodiment,

(1) In the step (b), the tray 4 housed in the sample magazine 3 is transferred to the shaft branch 7, and the coarse grinding mat is introduced into the shaft branch 7,

(2) transferring the pre-cleaning mat to the pulverizing machine 6 in the step (d), transferring the pulverized pre-cleaning mat to the waste box 9,

(3) transferring the analytical mat in the step (e) to the pulverizer 6,

(4) transferring the finely ground analytical mat in the step (f) to the weighing machine 8,

(5) The transfer of the fine grinding analysis mat to the bag packaging device 5 in the step (g) is performed by the robot 2 at least.

Further, according to the second embodiment,

(1) In the step (b), the tray 4 housed in the sample magazine 3 is transferred to the shaft branch 7, and the coarse grinding mat is introduced into the shaft branch 7,

(2) transferring the pre-cleaning mat to the pulverizing machine 6 in the step (d), transferring the pulverized pre-cleaning mat to the waste box 9, and an empty cup ( Transferring 11a) to the cleaning apparatus 20, and transferring the cleaned cup 11a to the cup magazine 10a,

(3) transferring the analytical mat in the step (e) to the pulverizer 6,

(4) transferring the finely ground analytical mat in the step (f) to the weighing machine 8,

(5) In the step (g), the fine grinding analysis mat of the meter 8 is transferred to the bag packaging device 5, and the remaining sample of the meter 8 is transferred to the waste box 9. And conveying the empty cup 11b to the washing | cleaning apparatus 20, and conveying the empty cup 11b after washing | cleaning to the cup magazine 10b are performed by the robot 2 at least.

According to this embodiment, the robot 2 also moves the empty cup 11 in the cleaning apparatus 20 in addition to the transfer means for moving the used empty cups 11 (11a, 11b) to the cleaning apparatus 20. It has a means to rotate, and the robot 2 rotates the empty cup 11 in the washing | cleaning apparatus 20. As shown in FIG. Thereby, the compressed air 22 from the injection nozzle 21 of the washing | cleaning apparatus 20 blows into the inner peripheral surface and outer peripheral surface of the empty cup 11, and the used empty cup 11 can be wash | cleaned.

As described above, each process in the sample preparation method and apparatus for analysis according to the present embodiment is a robot 2 functioning as a transfer means for transferring the tray 4, the cup 11, or the like to a predetermined device. Fully automated by using In this example, one process could be completed in 7 minutes, and 200 samples for 24 hours and a minimum of 2400 samples for analysis could be prepared in 24 hours.

As described above, according to the present invention, all samples for analysis of recycled raw materials containing Cu, Au, Ag, Pt, and Pd used for copper smelting can be automated from pulverization to pouch packaging. Manufacturing is possible.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flowchart for explaining a preparation step in one embodiment of an analytical sample preparation method according to the present invention.

Fig. 2 is a perspective view illustrating a preparation device for carrying out the analytical sample preparation method according to the present invention.

Fig. 3 is a plan view illustrating a preparation device for carrying out the sample preparation method for analysis according to the present invention.

Fig. 4A is a perspective view showing a part of a cleaning apparatus and a robot for explaining a method of cleaning a cup in the cleaning apparatus, and Fig. 4B is a view illustrating a method of cleaning the cup in the cleaning apparatus. Schematic process diagram.

5 is a flowchart for explaining a step of preparing a sample material for analysis from a recycled material.

6 is a schematic configuration side view of a conventional sampling facility.

7 is a schematic configuration plan view of a conventional sampling facility.

<Explanation of symbols for the main parts of the drawings>

1: sample preparation device for analysis

2: robot

3: sample magazine

4: tray

5: pouch packing device

6: grinding mill

7: Axis

8: sample meter

9: waste box

10 (10a, 10b): cup magazine

11 (11a, 11b): cup

20: cleaning device

30: pocket packaging sample holder (stocker)

40: barcode attachment device

Claims (10)

A sample preparation method for preparing a sample for analysis of recycled raw materials, (a) a step of storing a tray containing a coarse grinding mat obtained by coarsely crushing the matized recycled raw material into a sample magazine; (b) transferring the tray containing the coarse grinding mat to the shaft, which is accommodated in the sample magazine, to feed the coarse grinding mat to the shaft; (c) dividing the coarsely crushed mat into two parts by a preliminary cleaning mat for cleaning the pulverizer used in a later step, and an analytical mat for pulverizing the sample as an analytical sample; (d) transferring the preliminary cleaning mat to a fine grinding machine and pulverizing the fine grinding machine by using a fine grinding machine to clean the fine grinding machine, and transferring the finely ground pre-cleaning mat to a waste box for disposal; (e) after the step (d), transferring the analytical mat to the pulverizer and pulverizing it; (f) transferring the pulverized analytical mat to a meter; (g) measuring the finely divided analytical mat by the meter, dividing the finely divided analytical mat into a predetermined number, and transferring the finely divided analytical mat as a finely divided analytical mat for an analytical sample to a bag packaging device; and (h) dividing the fine grinding analysis mat into a predetermined number by the bag packaging device, and packaging the bag as an analysis sample, and attaching a barcode. The process according to claim 1, wherein in the step (b), the tray accommodating the coarse grinding mat housed in the sample magazine is transferred to the shaft branch to feed the coarse grinding mat to the shaft branch; Transferring the pre-cleaning mat in the step (d) to the fine grinding machine, and transferring the pre-crushed pre-cleaning mat to the waste box, Transferring the analysis mat in the step (e) to the grinding mill; Transferring the finely ground analytical mat in the step (f) to the meter; The method of preparing a sample for analysis of a recycled raw material is characterized in that at least the robot transfers the fine crushing analysis mat to the bag packaging device in the step (g). A sample preparation method for preparing a sample for analysis of recycled raw materials, (a) a step of storing a tray containing a coarse grinding mat obtained by coarsely crushing the matized recycled raw material into a sample magazine; (b) transferring the tray containing the coarse grinding mat to the shaft mill by storing the tray containing the coarse grinding mat in the sample magazine, and returning the empty tray to the sample magazine; (c) dividing the coarsely crushed mat into two parts by a preliminary cleaning mat for cleaning the pulverizer used in a later step, and an analytical mat for pulverizing the sample as an analytical sample; (d) The pre-cleaning mat is accommodated in a cup supplied from a cup magazine and transferred to a fine grinding machine, the fine grinding machine is cleaned by fine grinding by the fine grinding machine, and the fine grinding mat is discarded. Transporting to a box for disposal, and transferring the empty cup to a cleaning device and returning to a cup magazine after cleaning; (e) after the step (d), receiving the analytical mat in a cup supplied from a cup magazine, transferring it to the pulverizer, and pulverizing with the pulverizer; (f) transferring the pulverized analytical mat to a meter; (g) measuring the finely divided analytical mat by the meter and dividing the finely divided analytical mat into a predetermined number; A process, a step of transferring the empty cup after transferring the mat to the bag packing device to the cleaning device, a step of returning the empty cup after cleaning to a cup magazine, and a step of transferring the remaining sample of the meter to a waste box; and (h) dividing the fine grinding analysis mat into a predetermined number by the bag packing device, bag packing as an analysis sample, and attaching a bar code. The process according to claim 3, wherein in the step (b), the tray accommodated in the sample magazine is transferred to the shaft branch to feed coarse grinding mat into the shaft branch; Transferring the pre-cleaning mat to the fine grinding machine in step (d), transferring the pre-crushed pre-cleaning mat to the waste box, and transferring the empty cup to the cleaning device. And conveying the empty cup after washing to the cup magazine, Transferring the analysis mat in the step (e) to the grinding mill; Transferring the finely ground analytical mat in the step (f) to the meter; In step (g), the fine grinding analysis mat of the meter is transferred to the bag packaging device, the remaining sample of the meter is transferred to the waste box, and the empty cup is transferred to the cleaning device. The method of preparing a sample for analysis of recycled raw materials, characterized in that the transfer and the empty cup after washing are transferred to the cup magazine at least by a robot. The analysis of the recycling raw material according to claim 4, wherein the robot rotates the empty cup in the cleaning apparatus, and compressed air from the cleaning apparatus is blown onto the inner and outer peripheral surfaces of the empty cup. Sample preparation method. A sample preparation device for preparing a sample for analysis of recycled raw materials, (a) a sample magazine accommodating a tray containing a coarse grinding mat obtained by coarsely crushing a matized recycled raw material; (b) an axle for dividing the coarse grinding mat from the tray into a pre-cleaning mat and an analytical mat; (c) a pulverizer for pulverizing the preliminary cleaning mat divided into two by the shaft mill, and then pulverizing the analytical mat; (d) a meter for weighing and dividing the analysis mat pulverized by the pulverizer into a predetermined number; (e) transfer means for transferring the tray accommodated in the sample magazine to the shaft branch and injecting the mat accommodated in the tray into the shaft branch; (f) a cup magazine for receiving a cup for receiving and transporting a two-divided mat from the shaft mill, an unmilled mat from the mill, and a metered mat from the meter; (g) transfer means for accommodating the preliminary cleaning mat in a cup supplied from the cup magazine and transferring it to the fine grinding machine, and transferring the preliminary cleaning mat, which is finely ground by the fine grinding machine, to a waste box for disposal. and, (h) conveying means for receiving the analysis mat in a cup supplied from the cup magazine and transferring it to the grinding mill; (i) transfer means for receiving the analytical mat ground by the grinding machine into the cup and transferring it to the meter; (j) a bag packaging device which is weighed by the meter and divided into a predetermined number to divide the fine crushing analysis mat into a predetermined number, and pouch the packaging as an analysis sample, and attach a barcode; (k) A sample preparation device for analysis of recycled raw materials, characterized in that it has a conveying means for accommodating the pulverization analyzing mat in a cup supplied from the cup magazine and transferring it from the meter to the bag packaging device. The method of claim 6, wherein at least The conveying means for conveying the tray accommodated in the sample magazine to the shaft branch and injecting the coarse grinding mat accommodated in the tray into the shaft branch; The transfer means for transferring the preliminary cleaning mat to the fine grinding machine, and transferring the preliminary cleaning mat, which is finely ground by the fine grinding machine, to a waste box; The transfer means for transferring the analysis mat to the grinding mill; The transfer means for transferring the analytical mat pulverized by the pulverizer to the meter; The transfer means for transferring the pulverized analysis mat from the meter to the bag packaging device is constituted by a robot. 8. The sample preparation device for analysis of a recycled raw material according to claim 7, characterized by having a cleaning device for cleaning the empty cup used by the pulverizer or the meter. The recycling raw material according to claim 8, wherein the robot further functions as a conveying means for transferring the empty cup to the cleaning apparatus, and also as a means for rotating the empty cup in the cleaning apparatus. Sample preparation device for analysis. The sample preparation device for analysis of a recycled raw material according to claim 6, further comprising a cleaning device for cleaning an empty cup used by the pulverizer or the meter.

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