JP2501697B2 - Calorific value measuring device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a calorific value measuring device in which a sample is enclosed in a bomb together with oxygen gas and burned in water.

[0002]

2. Description of the Related Art A conventional calorific value measuring device of the above type is
As specified in JIS M 8814, the sample is enclosed in a bomb that has an opening at the top, the screw-type lid is closed, high-pressure oxygen is injected into the bomb, and then the bomb is used for measuring the calorific value. After being set inside, the electric wire for ignition was connected to the electrode rod, and the lid of the water tank for measuring the calorific value was closed to perform the measurement.

However, in such a conventional calorific value measuring device, since the opening of the bomb is at the upper part, it is necessary to turn over the inside of the bomb and clean the inside of the bomb every time one measurement is performed. Since the electrode rod that penetrates the lid is also on the top of the bomb, the electric wire must be drawn out through the multiple lids of the calorific value measuring water tank, which complicates the operation and also the structure of the calorific value measuring water tank It was a thing. Therefore, conventionally, all the operations for measuring the calorific value were manually performed, and it was difficult to automatically perform the accurate calorific value measurement.

[0004]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and automatically performs the calorific value measurement with the same excellent accuracy as that measured by the method specified in JIS M 8814. It was completed in order to provide a calorific value measuring device capable of performing the above.

[0005]

SUMMARY OF THE INVENTION The present invention, which has been made to solve the above-mentioned problems, provides an opening of a bomb in a calorific value measuring apparatus of a type in which a sample is enclosed in a bomb together with oxygen gas and burned in water. the part as a down the lid on the lower side
With the one having, above the bomb, Bonn
Chuck the valve to measure the calorific value water tank and the bottom surface of the lid.
A lid opening and closing device with an upward turntable that engages ,
Self- moving between cleaning tanks equipped with
It is characterized in that a dynamic transfer mechanism is provided .

[0006]

The present invention will now be described in more detail with reference to the illustrated embodiments. FIG. 1 shows the entire calorific value measuring apparatus of the embodiment, where 1 is a calorific value measuring water tank equipped with a lid 2 that can be automatically opened and closed, and 3 is provided adjacent to the calorific value measuring water tank 1. The lid opening / closing device 4 is a cleaning tank. Reference numeral 5 is a bomb, and the bomb 5 is sequentially moved between the heat generation amount measuring water tank 1, the lid opening / closing device 3, and the cleaning tank 4 by an automatic transfer mechanism 7 having a robot hand 6 provided above them. It can be moved.

The conventional bomb has a screw-type lid at the upper end, but the bomb 5 used in the present invention has a downward facing opening as shown in FIG. 2 and a bell having a lid 8 on the lower side. It is a shape. The lid 8 is provided with a pair of electrode rods 9 for igniting the sample stored inside. Further, a grip portion 10 is formed on the upper end of the bomb 5 so that the robot hand 6 can easily chuck it. Further, as shown in FIGS. 3 and 4, the engaging portion between the bomb 5 and the lid 8 is of a bayonet type, and the projection 11 formed on the outer periphery of the lid 8
3 is fitted in the groove 12 on the inner circumference of the bomb 5 as shown in FIG. 3 and the lid 8 is rotated by a small angle, so that a reliable engagement is achieved as shown in FIG.

FIG. 5 shows the internal structure of the calorific value measuring water tank 1, where 13 is an outer tank, 14 is an intermediate tank, and 15 is an inner tank. An electrode 16 is provided at the inner bottom of the inner tank 15 so as to face the electrode rod 9 of the bomb 5, and when the bomb 5 is set inside the inner tank 15 as shown in FIG. 9
Is in contact with the upper end surface of the electrode 16 so that electricity can flow.

As shown in FIG. 5, a thermocouple thermometer 17 and a stirring propeller 18 are installed in the inner tank 15. The stirring propeller 18 may be externally rotated by a motor, but if the rotating magnetic field is used to rotate the propeller 18 by an electromagnetic force, leakage of water from the rotating portion can be completely prevented.

FIG. 6 shows the lid opening / closing device 3, and 19 is a guide for receiving the downward opening of the bomb 5 while aligning it, and a rotary table 20 is provided below the center of the guide. . The turntable 20 has a hole 21 into which a pair of electrode rods 9 protruding from the lid 8 of the bomb 5 can be fitted. When the turntable 20 is rotated by a lower rotating mechanism 22, the bomb 5 is rotated. The lid 8 rotates with respect to the lid 8 to disengage or engage the bayonet-type engagement described above.
Can be opened and closed. Note that 23
Is a pin for preventing the rotation of the bomb 5.

Reference numeral 24 shown in FIG. 6 is an automatic opening / closing type plug for supplying high-pressure oxygen to the inside of the bomb 5, and at the same time when the lid 8 of the bomb 5 is seated on the rotary table 20, the lid 8 is closed. High pressure oxygen can be supplied to the inside of the bomb 5 or combustion gas inside the bomb 5 can be discharged through a solenoid valve (not shown) provided in the conduit 26 in communication with the socket 25. Reference numeral 27 is an elevating mechanism for releasing the lock between the plug 24 and the socket 25. With the above structure,
The lid opening / closing device 3 is capable of opening / closing the lid 8 of the bomb 5 and automatically supplying high-pressure oxygen.

FIG. 7 shows the internal structure of the cleaning tank 4. As shown, the bomb 5 with the lid 8 removed is inserted into the guide 26 at the center of the cleaning tank 4. An upward cleaning nozzle 28 that can be moved up and down by a cylinder 27 is provided below the cleaning nozzle 28, and SO _x and soot adhering to the inner surface of the bomb 5 are washed off. The cleaning water is collected in the receiving tanks 29 and 30 and is discharged to the outside.

[0013]

The operation of the calorific value measuring apparatus of the present invention thus constructed is as follows. First, the bomb 5 that has been measured is taken out from the inside of the calorific value measuring water tank 1 by the automatic transfer mechanism 7 and transferred to the lid opening / closing device 3. When the bomb 5 is set on the rotary table 20 of the lid opening / closing device 3, the automatic opening / closing plug 24 and the socket 25 on the lid 8 side communicate with each other.
The solenoid valve is opened to discharge the high pressure combustion gas filling the inside of the bomb 5. Next, when the rotary table 20 is rotated, the engagement between the bayonet type lid 8 and the bomb 5 is released. Therefore, the bomb 5 is chucked by the automatic transfer mechanism 7 and cleaned in the cleaning tank 4. Since the present invention are the downward opening of the bomb 5, on the cleaning inside it, as shown in FIG. 9 without the bomb 5 in the cleaning tank 4 is turned upside down
The facing nozzle 20 can be inserted for cleaning, and the cleaning water is naturally discharged. During this time, the lid 8 remains on the rotary table 20 of the lid opening / closing device 3.

After the cleaning of the inside is completed, the bomb 5 is transferred to the lid opening / closing device 3 again by the automatic transfer mechanism 7. In the meantime, the next sample is set on the lid 8, the bomb 5 is put on the next sample, the rotary table 20 is rotated in the reverse direction, and the lid 8 is closed. Then, after being filled with high-pressure oxygen, the bomb 5 is transferred to the calorific value measuring water tank 1 by the automatic transfer mechanism 7 and set therein. At this time, as shown in FIG. 5, the electrode rod 9 on the lid 8 side of the bomb 5 is provided at the bottom of the calorific value measuring water tank 1.
Since the electrode 16 is provided so as to face the above, the amount of heat generation can be measured by merely setting the bomb 5 at a predetermined position to bring the electrode rod 9 and the electrode 16 into contact with each other to conduct electricity. Therefore, in the calorific value measuring apparatus of the present invention, the bomb 5
It is not necessary to draw out an electric wire for energization to the upper part of, and the structure of the lid of the heat generation amount measuring water tank 1 can be simplified. Note that
After setting the bomb 5, is the automatic transfer mechanism 7
Away from the cylinder, the bomb 5 alone generates heat as shown in FIG.
It is placed in the measurement water tank 1.

[0015]

As described above in detail, according to the present invention, the opening of the bomb is directed downward with the lid on the lower side, and the bomb is moved by the automatic transfer mechanism. A water tank for calorific value measurement and an upward turntable that engages with the lower surface of the lid
Since the lid opening / closing device equipped with the above and the cleaning tank equipped with the upward cleaning nozzle can be sequentially moved, the calorific value can be measured automatically with excellent accuracy. . Therefore, the present invention contributes greatly to the industrial development as a calorific value measuring device that solves the conventional problems.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing an entire embodiment of the present invention.

FIG. 2 is a sectional view of a bomb according to the present invention.

FIG. 3 is a bottom view showing a fitting portion between the bomb and the lid.

FIG. 4 is a bottom view showing a fitting portion between the bomb and the lid.

FIG. 5 is a sectional view of a calorific value measuring water tank.

FIG. 6 is a cross-sectional view of a lid opening / closing device.

FIG. 7 is a sectional view of a cleaning tank.

[Explanation of symbols]

 1 Water tank for calorific value measurement 3 Lid opening / closing device 4 Cleaning tank 5 Bomb 7 Automatic transfer mechanism 8 Lid

Front page continuation (72) Inventor Ishio Uemura 3-3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc. (72) Inventor Seiji Koji 2-167, Taishi, Midori-ku, Nagoya-shi, Aichi 1 (72) Inventor Nobuhiko Ishida 1 2-1 Asahide, Midori-ku, Nagoya, Aichi 1 (72) Inventor Takanori Soda 8 347, Koseicho, Okazaki-shi, Aichi (56) Reference JP-A-57-156547 ( JP, A)

Claims (1)

(57) [Claims] 1. A calorific value measuring device of the type samples were sealed together with oxygen gas into the bomb to burn in the water, even with a lid on the lower side by the downward opening of the bomb
At the same time, place a bomb above this bomb.
Click to engage the calorific value measurement water tank and the lower surface of the lid.
A lid opening / closing device with an upward turntable and an upward cleaning
Automatic transfer machine that moves sequentially between the cleaning tank and the cleaning device
A calorific value measuring device having a structure .