JPH07270297A - Industrial analyzer - Google Patents

Abstract

PURPOSE:To improve the accuracy of both analyses by preventing the influence of oxygen when analyzing a volatile matter and achieving a complete combustion by fully supplying oxygen when analyzing ash content in an industry analysis device for analyzing volatile matter content by a heating oven and then analyzing ash content. CONSTITUTION:A lid body-removing mechanism 40 is provided in the front part of a heating oven 13 on a transfer path of an arm 24b of a transfer mechanism 20 within a case 11. A lid body v1 for covering the upper opening of a sample storage container V1 carried from the heating oven 13 after a volatile matter is analyzed is removed from the lid body-removing mechanism 40, thus carrying in the container V1 into the heating oven 13 again.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a weight of a sample for analysis of minerals such as coal and coke, which is heat-treated under a predetermined heating condition in a heating furnace in a state of being contained in a container. And an industrial analyzer for measuring the amount of a predetermined component such as water, volatile matter, and ash from the measured weights of the analytical sample before and after the heat treatment.

[0002]

2. Description of the Related Art Generally, this type of industrial analyzer has one
The first heating treatment is performed by setting the inside of the heating furnace in which the container containing the sample is set to the first heating treatment condition, and then performing the second heating treatment in the heating furnace. The second heat treatment is performed under the set conditions, and the third heat treatment is performed under the third heat treatment condition in the heating furnace, so that the respective heat treatments are sequentially performed. In the series of heat treatments, after the first heat treatment is completed, the sample container is once taken out from the heating furnace, cooled for a predetermined time and its weight is measured, and then the inside of the heat furnace is set to the second heat treatment condition. The operation of setting and setting the sample storage container and performing the second heat treatment, and after the heat treatment, taking out the sample storage container from the heating furnace, cooling it, and measuring the weight is repeated in the same manner as above. These heat treatment conditions and cooling process conditions are specified in JIS standard (M8812-1984).

As described above, in this type of industrial analyzer, one analysis sample is heat-treated under one heat-treatment condition in one heating furnace, and once subjected to the cooling step, the weight is measured. Since such work is performed for each analysis item, a long time is required for the analysis work when the number of analysis items and the number of analysis samples is large. To solve this problem,
The applicant has developed the following industrial analyzer and applied for a patent for the industrial analyzer. First of the industrial analyzer
The analysis apparatus of, including a heating furnace having a thermobalance, the container for storing the sample for analysis is carried into the heating furnace from the standby position and the sample storage container after the heat treatment is carried out from the inside of the heating furnace to the standby position. The sample carried into the heating furnace is switched to an oxidizing state and a non-oxidizing state in the heating furnace, and heat treatment is performed under different conditions to obtain different kinds of component amounts. It is an industrial analyzer for analysis. The second analyzer of the industrial analyzer is the same as the industrial analyzer of the above-mentioned configuration, in which the heating furnace is a high-temperature heating furnace and a predetermined interval is maintained on one side of the high-temperature heating furnace. Then, the low temperature heating furnaces are arranged in parallel.

Of these industrial analyzers, the first industrial analyzer is one in which the atmosphere in one heating furnace is switched between an oxidized state and a non-oxidized state to carry out each heat treatment. After the treatment, the sample storage container is weighed with a thermobalance in the heat-treated state, so that the cooling step can be omitted. For this reason,
The time required for the conventional cooling process after each heat treatment can be shortened, and the time for analysis work can be shortened significantly. Further, in the above-mentioned second industrial analyzer, since the heating furnace is provided with two heating furnaces, a high-temperature heating furnace having a thermobalance and a low-temperature heating furnace, in parallel, heating under different temperature conditions is performed. Since the treatments can be performed simultaneously, the cooling process can be eliminated and the analysis work can be further shortened.

[0005]

A first object of the present invention is to perform each heat treatment in an industrial analyzer of this type by switching the atmosphere in one heating furnace to an oxidizing state and a non-oxidizing state. In the heat treatment in a non-oxidized atmosphere, the upper opening of the sample container is covered with a lid to prevent the influence of oxygen existing in the heating furnace or entering the opening / closing of the heating furnace. In the heat treatment in the state atmosphere, the lid is removed from the upper end opening of the container to make it open, so that the inside of the container is sufficiently oxidized and the accuracy of analysis in these heat treatments is improved. .
Further, the second object of the present invention is to consider the structure and arrangement of the transfer mechanism for loading and unloading the container to and from each heating furnace in the industrial analyzer of the type,
It is intended to reduce the size of an industrial analyzer equipped with two heating furnaces.

[0006]

The first invention of the present invention is as follows:
A transport mechanism that includes a heating furnace having a thermobalance and that carries a container for storing an analysis sample into the heating furnace from a standby position and carries out a sample storage container after heat treatment from the inside of the heating furnace to the standby position. The sample carried into the heating furnace is heated under different conditions by switching the atmosphere in the heating furnace to an oxidized state and a non-oxidized state,
An industrial analyzer for analyzing the amounts of different kinds of components, a lid for covering the upper end opening of the container from the container in the conveyance path of the container between the standby position of the heating furnace and the container. It is characterized in that a body removing mechanism is provided.

A second aspect of the present invention is the industrial analyzer, wherein the heating furnace is a high-temperature heating furnace, and a low temperature is maintained by keeping a predetermined interval on one side of the high-temperature heating furnace. The heating furnaces are arranged side by side, and a pair of arms for loading and unloading the container with respect to the heating furnaces are provided in the transport mechanism, and the transport mechanism is disposed between the heating furnaces. It is what

[0008]

In the industrial analyzer according to the first aspect of the present invention, the lid removing mechanism covers the upper end opening of the container being unloaded from the heating furnace. The body can be removed from the container, and the sample storage container with the upper end opening opened can be further carried into the heating furnace. Therefore, when heat treatment is performed in a non-oxidizing atmosphere in the heating furnace, oxygen existing in the heating furnace by covering the upper opening of the container with a lid or oxygen entering the opening / closing of the heating furnace It is possible to prevent the influence on the sample, prevent the influence of oxygen at the time of analysis by such heat treatment, and improve the accuracy. Further, in the heat treatment in the oxidized state,
Since the lid that covers the upper opening of the container can be removed and heat treatment can be performed in an open state, it is possible to prevent local occurrence of a non-oxidized state in such heat treatment and improve the analysis accuracy. it can.

On the other hand, in the industrial analyzer according to the second aspect of the present invention, since two heating furnaces, a high-temperature heating furnace and a low-temperature heating furnace, exist as heating furnaces, heat treatment at high temperature and low temperature In this respect, the sample analysis work time can be further shortened, and the transfer mechanism for loading and unloading the sample storage container to and from both heating furnaces can be used for both heating processes. Since it is placed between the furnaces,
The analyzer can be downsized as compared with the case where the transport mechanism is arranged on the front side of the analyzer.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments. FIG. 1 shows an industrial analyzer according to an embodiment of the present invention. The industrial analyzer is an automatic industrial analyzer for analyzing water content, volatile matter and ash content of coal, and has a high temperature heating furnace 13 having a thermobalance 12 inside a case 11 and a thermobalance 14. A low temperature heating furnace 15 is provided, a container transport mechanism 20 is provided, and a storage mechanism 30 for storing the container is provided on the outer front surface of the case 11.

The high-temperature heating furnace 13 analyzes the volatile content and ash content of coal and is equipped with a Kanthal wire heater, and the maximum temperature is about 1
It is configured so that it can be maintained up to 000 ° C. In the analysis of volatile matter, the inside of the high-temperature heating furnace 13 was set to a nitrogen atmosphere, and FIG.
As shown in FIG. 2 and FIG. 2, the sample is placed in the container V1 and placed on the upper plate 12a of the thermobalance 12 facing the high temperature heating furnace 13 and heat-treated at a predetermined high temperature for a predetermined time. In the subsequent analysis of ash, the inside of the high temperature heating furnace 13 is switched to an oxygen atmosphere and subsequently heated at the same temperature for a predetermined time. The low-temperature heating furnace 15 is for analyzing the moisture content of coal and is provided with a far infrared heater. In the moisture analysis, the low-temperature heating furnace 15 is placed in an air atmosphere and the heat entering the low-temperature heating furnace 15 with the sample accommodated in the container V2. Top plate 14 of balance 14
It is placed on a and heat-treated at a predetermined low temperature for a predetermined time.

These heating furnaces 13 and 15 are arranged at right and left at a predetermined interval, and as shown in FIGS. 1 to 3, in the high temperature heating furnace 13, a drive motor 16a drives the lifting member 16b. To elevate and lower the furnace wall 13a around the high temperature heating furnace 13 connected to the elevating member 16b. In the low temperature heating furnace 15, the opening / closing door 15a is interlocked with the elevating and lowering of the furnace wall 13a of the high temperature heating furnace 13. Is configured to move up and down. When raising the furnace wall 13a of the high-temperature heating furnace 13 and the opening / closing door 15a of the low-temperature heating furnace 15, both heating furnaces 13 and 15 are opened and the respective containers V1 and V2 are carried into both heating furnaces 13 and 15 at the same time. Or both heating furnaces 13,
15 at the same time, and also the furnace wall 13a of the high temperature heating furnace 13 and the opening / closing door 15a of the low temperature heating furnace 15
In the case of lowering the heat treatment, the heat treatment is performed in both the heating furnaces 13 and 15 at the same time or one of them.

As shown in FIGS. 1, 4 and 5, the transport mechanism 20 includes a first drive motor 21a and a second drive motor 21.
b, a rotating screw 22a, a guide shaft 22b, a nut member 23a, an elevating member 23b, and a pair of left and right arms 24b and 24c connected to each other by a connecting member 24a. The rotating screw 22a is disposed between the heating furnaces 13 and 15. The guide shaft 22b is rotatably supported by the provided support base 25, and is also supported by the support base 25 in parallel with the rotary screw 22a. In the transport mechanism 20, the connecting member 24a is fixed to the elevating member 23b, and the elevating member 23b is assembled to the nut member 23a so as to be able to ascend and descend. The nut member 23a is screwed onto the rotary screw 22a so as to be able to move forward and backward, and is fitted onto the guide shaft 22b so as to be slidable in the axial direction. Each of the arms 24b, 24c has a substantially U-shaped cross-section that opens to the lower surface side, and both lower ends are formed in a hooking portion projecting inward. Facing each other. In the transport mechanism 20, the rotation screw 22a is rotated by the drive of the first drive motor 21a to move the nut member 23a in the front-rear direction, and the elevating member 23b is moved up and down by the drive of the second drive motor 21b.
As a result, both arms 24b and 24c move in the front-rear direction and the up-down direction.

As shown in FIGS. 1, 6 and 7, the storage mechanism 30 includes a frame-shaped shelf 31, a rotary screw 32, a drive motor 33, and a nut member 34. The frame portion 31a that constitutes the shelf 31 includes a large number of shelf portions 31 on the inside of the left and right sides thereof.
b and 31c are provided in the vertical direction, and a nut member 34 is fixed to the center of the upper part thereof. In the shelf 31, the guide shafts 31d provided on both the left and right sides of the frame portion 31a are fitted to the guide members 11a provided on the left and right sides of the front side of the case 11 and supported slidably in the vertical direction. A nut member 34 is screwed and supported by a rotary screw 32 that is rotatably fixed to the center of the front side of the case 11. Of the shelves 31b and 31c, the shelf 31b on the left side of the drawing is the arm 24 of the transport mechanism 30.
The shelf portion 31c on the right side in the drawing facing the b is the transport mechanism 30.
Which opposes the arm 24c of each of the shelves 31
Containers V1 and V2 containing the sample are stored in b.

In the storage mechanism 30, the drive motor 33 drives the rotating screw 32 to rotate the nut member 34 in the vertical direction, and the rack 31 integrated with the nut member 34 is intermittently moved in the vertical direction. As a result, each of the shelves 31b and 31c intermittently faces the slit-shaped opening 11b provided on the front surface of the case 11. The arms 24b and 24c of the transfer mechanism 20 move forward and backward through the slit-shaped opening 11b. The arms 24b and 24c receive the containers V1 and V2 stored in the shelves 31b and move forward to move the heating furnace 1
Then, the container V3 is carried into the heating furnace 3,15, and the containers V1 and V2 in the heating furnaces 13 and 15 are received and retracted to be carried out to the shelves 31b and 31c.

However, in the industrial analyzer,
As shown in FIG. 1 and FIG. 8, a lid removing mechanism 40 a is arranged in the front part of the high temperature heating furnace 13 in the case 11. The lid removing mechanism 40a is composed of a receiving plate 42 fixed to the upper end of the support column 41, and the support column 41 is erected in front of the high temperature heating furnace 13. The receiving plate 42 is a rectangular flat plate, and the high temperature heating furnace 13 is provided at the center of the flat plate portion 42a.
A substantially U-shaped concave groove 42b that opens to the side is formed.
The receiving plate 42 is formed in a size that can pass through the arm 24b of the transfer mechanism 20 and is located on the transfer path of the arm 24b.

In the industrial analyzer, the container V2 shown in FIG. 9 is used for moisture analysis, the container V1 shown in FIG. 10 is used for volatile content analysis, and the same is used for ash content analysis. The container V1 and lid v1 shown in the figure are used.

In the industrial analyzer constructed as described above, the high temperature heating furnace 13 analyzes the volatile matter and the ash, and the low temperature heating furnace 15 analyzes the water content. In the analysis of the volatile matter, the inside of the high-temperature heating furnace 13 is brought into a nitrogen atmosphere, and the container V1 containing the sample is carried into the high-temperature heating furnace 13 by the transfer mechanism 20 with its upper end opening covered with the lid v1. It is placed on the upper plate 12a of the thermobalance 12 and heat-treated at 815 ° C. for 7 minutes, for example, and subsequently, ash analysis is performed. In the ash analysis, the inside of the high-temperature heating furnace 13 was switched to an oxygen atmosphere and the temperature was kept at 13
Although heating is performed for a minute, the lid v1 is removed by the lid removing mechanism 40 from the sample container V1 after the analysis of the volatile components, and the carrying mechanism 20 again carries the lid v1 into the high temperature heating furnace 13 and places it on the upper plate 12a. The container V1 is set and the upper end opening of the container V1 is opened. On the other hand, in the analysis of water, with the inside of the low temperature heating furnace 15 as an air atmosphere, the sample is stored in the container V2 and carried into the low temperature heating furnace 15 by the transfer mechanism 20 and placed on the upper plate 14a of the thermobalance 14. For example, heat treatment is performed at 75 ° C. for 20 minutes. At the end of each of these analyses, the heat-treated sample is placed in a container V in each thermobalance 12, 14.
1. Weigh every V2.

In the industrial analyzer, each shelf 31 of the storage mechanism 30 is used when performing the above-mentioned various analyzes.
The required number of weighed containers V1 and V2 containing a predetermined amount of a predetermined sample are stored in b and 31c, and the shelf 31 is placed at the uppermost position, for example. In this state, the containers V1 and V2 of the uppermost shelves 31b and 31c face the slit-shaped opening 11b, and the containers V1 and V2 have the same opening 1
Each arm 24b of the transport mechanism 20 is retracted through 1b,
It is received by 24c and is carried into each heating furnace 13, 15 by the advance of each arm 24b, 24c. After the heat treatment, the arms 24b and 24c are connected to the heating furnace 1
The containers V1 and V2 are received by the inside of the container 3,15, taken out, retracted through the slit-shaped opening 11b, and carried out to the original shelves 31b and 31c. Then, the shelf 31 of the storage mechanism 30 is lowered step by step, and the above-described operation is repeated to complete the analysis of the required number of samples.

In the industrial analyzer, however,
The container V1 containing the sample for analysis of volatile components is stored in the shelf portion 31b with the upper end opening covered with the lid v1, and is carried into the high temperature heating furnace 13 in the covered state. Heat-treated under predetermined conditions, then sample container V1
Is once discharged from the high temperature heating furnace 13 and the lid removing mechanism 4
The lid v1 is removed at 0a, and the sample container V1 is again loaded into the high-temperature heating furnace 13 with the upper end opening opened. FIG. 11 shows the operation of carrying out the sample container V1 with the lid v1 from the inside of the high temperature heating furnace 13 and the operation of removing the lid v1 from the container V1 and carrying the vessel V1 back into the high temperature heating furnace 13. 11A is a schematic diagram for explaining FIG.
Is a schematic front view of the industrial analyzer, FIG. 8B is a plan view thereof, and FIG. 8C is a diagram showing the movement state of the arm 24b between the high temperature heating furnace 13 and the lid removing mechanism 40 by an arrow. It is a side view shown.

The symbols a to h shown in FIGS. 11B and 11C indicate the moving position of the arm 24b, and the position a corresponds to the upper plate 12a of the thermobalance 12 in the high temperature heating furnace 13,
The position b is an intermediate position between the heating furnace 13 outside the high temperature heating furnace 13 and the lid removing mechanism 40, and the position c is the lid removing mechanism 4
0 is the corresponding position on the receiving plate 42, D is the standby position,
The position E indicates the storage position of the container V1. In the analysis of the volatile matter, the arm 24b is retracted from the two position to the E position, and at the E position, the sample container V1 whose upper end opening is covered with the lid v1 is received, and in FIG. As shown by the dashed line, the lid removing mechanism 40 is advanced above the receiving plate 42 to enter the heating furnace 13, and is lowered to the upper plate 12a of the thermobalance 12 to put the container V1 with the lid on the upper plate. It is placed on 12a, then moves horizontally to the position b and rises, further moves horizontally to position d, and waits at position d until the analysis of volatile components is completed.

After the end of the analysis of the volatile matter, the arm 24b waiting at the second position advances above the lid removing mechanism 40 along the alternate long and short dash line to reach the low position, as shown by the solid line. At the position a, the container V1 for storing the sample covered with the lid v1 located on the upper plate 12a of the thermobalance 12 is moved downward and horizontally advanced to enter the high-temperature heating furnace 13. Accept and rise. After that, it retreats horizontally and moves to the high temperature heating furnace 13
To the outside position, descends to the intermediate position and horizontally retreats to the c position. In the C position, the receiving plate 42 of the lid removing mechanism 40a is connected to the arm 24.
The container V1 that has entered the inside of b and is received by lowering the arm 24b is the concave groove 42b of the receiving plate 42.
The lid v1 is hooked on the peripheral edge of the concave groove 42b and is removed from the container V1 while passing downward. Arm 24
After that, b is further moved horizontally along the solid line to the position a and reaches the upper plate 12a of the thermobalance 12 in the high temperature heating furnace 13, and the sample container V1 having the upper end opening is opened.
Place on 2a, retract to the two position as shown by the chain double-dashed line, and wait until the analysis of ash is completed. After the ash content analysis is completed, the container V1 is carried out of the high temperature heating furnace 13 by moving the arm 24b as shown by the chain double-dashed line and placed on the predetermined shelf 31b of the storage mechanism 30. It

As described above, in the industrial analyzer, the lid removing mechanism 40 removes the lid v1 from the sample container V1 carried out from the high-temperature heating furnace 13 and opens it at a high temperature with the upper end opening opened. It can be carried into the heating furnace 13 again and subjected to heat treatment. Therefore, while the upper end opening of the sample storage container V1 is once covered with the lid v1, the volatile component can be analyzed by heat treatment in the high temperature heating furnace 13, and the sample storage can be performed after the volatile component analysis is completed. The ash content can be analyzed by heating in the high temperature heating furnace 13 with the upper end opening of the container V1 open. Therefore,
Oxygen present in the high-temperature heating furnace 13 during the analysis of volatile components,
Alternatively, it is possible to prevent the influence of oxygen invading when the heating furnace 13 is opened and closed on the sample, prevent the influence of oxygen on the analysis of volatile components, and improve the analysis accuracy. Oxygen can be sufficiently supplied to the sample in V1, and the ash content analysis accuracy can be improved.

Further, in the industrial analyzer, since there are two heating furnaces, the high-temperature heating furnace 13 and the low-temperature heating furnace 15, as heating furnaces, the heating processing at high temperature and the heating processing at low temperature are performed. This can be performed simultaneously, and in this respect, the analysis time for volatile content analysis, ash analysis, and moisture analysis of the sample can be further shortened, and the sample storage containers V1 and V2 can be carried into both heating furnaces 13 and 15. And a transport mechanism 2 for unloading
Since 0 is arranged between these heating furnaces 13 and 15,
The analyzer can be downsized as compared with the case where the transport mechanism 20 is arranged on the front side of the analyzer.

FIG. 12 shows a modification of the lid removing mechanism in the industrial analyzer. The lid removing mechanism 40b according to the modified example includes a rotating arm 43 and a gripping means 44.
And a drive motor 45. The drive motor 45 is fixed to a support wall 17 standing upright at the front of the high-temperature heating furnace 13, and the base end of the rotating arm 43 is fixed to the rotary shaft of the drive motor 45. And the gripping means 4 at the tip of the rotating arm 43.
4 is assembled. The gripping means 44 is a pair of hands 4
4a and 44b are provided, and these hands 44a and 44b are assembled to the distal end of the rotating arm 43 so as to face each other so as to be able to move forward and backward, and to move forward and backward mutually by an actuator (not shown).

When the lid removing mechanism 40b is employed, the receiving base 18 for receiving the container in the case 11 is disposed on the transport path of the arm 24b of the transport mechanism 20 and the rotating arm 4 is provided.
It is provided upright on the rotation locus of the tip portion of 3. The receiving table 18 has a lid v1 for containing the sample carried out from the high temperature heating path 13.
The attached container V1 is received, and at this time, the rotating arm 43 is rotated downward by approximately 90 degrees as shown by the chain double-dashed line by driving the drive motor 45 to position the lid body v1 between the hands 44a and 44b. , Both hands 44a and 44b are advanced to grip the lid v1. By rotating the rotating arm 43 upward in this state, the lid v1 can be removed from the upper end opening of the container V1. Further, when the lid removing mechanism 40b is adopted, the receiving base 18 can be omitted by constructing one of the arms constituting the transport mechanism 20 like the arm 24d shown in FIG. The arm 24d has a saucer shape with an upper opening, and when the rotating arm 43 is rotated downward, both hands 44a and 44b are fitted in the arm 24d and received by the arm 24d. The lid body v1 for covering the upper opening of V1 is attached to both hands 45a, 45.
Both hands 45a and 45b are moved forward to grip the lid body v1 and the lid body v1 can be removed from the container V1 by rotating the rotating arm 43 upward. Figure 1
4 is a schematic plan view of an industrial analyzer that employs the lid removing mechanism 40b. FIG. 4A is a device in which a receiving stand 18 is erected inside the case 11, and FIG. Mechanism 20
The device adopts the arm 24d as one arm.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of an industrial analyzer according to an embodiment of the present invention.

FIG. 2 is a partially longitudinal front view of a heating furnace and a thermobalance that constitute the analyzer.

FIG. 3 is a plan view of the heating furnace.

FIG. 4 is a plan view of a transport mechanism that constitutes the analyzer.

FIG. 5 is a partial front view of the transport mechanism.

FIG. 6 is a front view of a storage mechanism that constitutes the analyzer.

FIG. 7 is a plan view of the storage mechanism.

FIG. 8 is a perspective view of a lid removing mechanism that constitutes the analyzer.

FIG. 9 is a partial vertical front view (a) and a plan view (b) of a container for moisture analysis used in the analyzer.

FIG. 10 is a partial vertical front view of a container for volatile content analysis and ash content analysis used in the same analyzer (a) and a partial vertical front view of a lid for volatile content analysis (b).

FIG. 11 is a schematic front view (a), a plan view (b), and a side view (c) showing an arm moving state between a high temperature heating furnace and a lid removing mechanism of the analyzer by arrows. is there.

FIG. 12 is a perspective view showing a modified example of the lid removing mechanism.

FIG. 13 is a partial perspective view showing a modified example of the arm of the transport mechanism.

FIG. 14 is a schematic plan view according to a modification of the analyzer (a) and a schematic plan view according to another modification (b).
Is.

[Explanation of symbols]

11 ... Case, 12, 14 ... Thermobalance, 13, 15 ... Heating furnace, 18 ... Receiving stand, 20 ... Transfer mechanism, 24b, 24c,
24d ... Arm, 30 ... Storage mechanism, 31 ... Shelf, 31b,
31c ... Shelf, 40a, 40b ... Lid removing mechanism, 42
... Receiving plate, 43 ... Rotating arm, 45a, 45b ... Hand.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seiji Koji 2-56 Sudamachi, Mizuho-ku, Nagoya, Aichi Prefecture Insulator Nihon Higashi Co., Ltd. No. 56 Nihon Insulator Co., Ltd. (72) Inventor Toshihiko Nakagawa No. 56 Sudamachi, Mizuho-ku, Aichi Prefecture Nagoya City No. 56 Nihon Insulator Co., Ltd.

Claims (2)

[Claims] 1. A heating furnace having a thermobalance is provided,
A container for storing a sample for analysis is loaded from the standby position into the heating furnace, and a transport mechanism for transporting the sample storage container after the heat treatment from the heating furnace to the standby position, and is loaded into the heating furnace. The sample is an industrial analyzer that analyzes the amounts of components of different types by performing heat treatment under different conditions by switching the atmosphere in the same heating furnace to the oxidizing state and the non-oxidizing state, and the heating furnace and the container. An industrial analyzer, characterized in that a lid removing mechanism for removing a lid covering the upper end opening of the container from the container is provided in the conveyance path of the container between the standby positions. 2. The industrial analyzer according to claim 1, wherein
The heating furnace is configured as a high-temperature heating furnace, and the low-temperature heating furnaces are arranged in parallel at one side of the same high-temperature heating furnace at a predetermined distance, and the transfer mechanism is provided in both heating furnaces. An industrial analyzer characterized in that a pair of arms for loading and unloading a container is provided, and the transport mechanism is arranged between the heating furnaces.