JPH05133914A - Calorific value measuring apparatus - Google Patents

Abstract

PURPOSE:To automatically measure a calorific value of respective samples with high accuracy by making a fitting of a gas cylinder and a gas cylinder lid in a bayonet structure and also making a high pressure oxygen supply port into the gas cylinder in an automatically closed socket. CONSTITUTION:A gas cylinder 5 with inside cleaned is returned by an automatic carrier 7 onto a rotating base 31 of a lid closing and oxygen replenishing device 3. If the rotating base 31 is rotated by a small angle in a reverse direction by a rotating mechanism 33, a lid 8 and the gas cylinder 5 are engaged with each other by a bayonet mechanism. At this time after the lid 8 is closed, a solenoid valve is opened to supply high pressure oxygen gas into the gas cylinder 5. Then an outer peripheral ring 19 is pushed up by a cylinder 26 to make a small ball of an automatically closed socket 14 free, and after engagement with a plug 15 on a side of the rotating base 31 is released, the gas cylinder 5 is raised by the device 7. Thus the gas cylinder 5 and the lid 8 are raised from the rotating base 31, thereby measuring a calorific value in a calorific value measuring tank 1.

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 of a type 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 the bomb and the oxygen gas is injected manually.First, the sample is enclosed in the bomb, the screw type lid is closed, and the pipe is closed. After connecting to the bomb and operating the valve to inject high-pressure oxygen into the bomb, the pipe was removed and the bomb was set in the water tank for measuring heat generation. Since it is necessary to open and close the lid and detach the pipe as described above, the calorific value cannot be automatically measured.

A simple device for automatically measuring the calorific value has also been developed in some parts. In this device, the bomb is set in the water tank for measuring the calorific value while the high-pressure oxygen injection pipe is still connected. I am making measurements. For this reason, there is a drawback that heat will escape through the pipe and measurement error will increase, and mechanical problems will easily occur when the bomb is automatically taken in and out of the water tank with the pipe connected. It was

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and provides a calorific value measuring device capable of automatically and highly accurately measuring the calorific value of various samples. It was completed in.

[0005]

The present invention, which has been made to solve the above problems, provides a calorific value measuring apparatus of the type in which a sample is enclosed in a bomb together with oxygen gas and burned in water. It has a bayonet structure for fitting with the lid and a self-closing socket for the high-pressure oxygen supply tool to the inside of the bomb.

[0006]

The present invention will now be described in more detail with reference to the illustrated embodiments. FIG. 1 shows the whole calorific value measuring apparatus of the embodiment, where 1 is a calorific value measuring water tank equipped with a lid 2 which can be automatically opened and closed, and 3 is a lid provided adjacent to the calorific value measuring water tank 1. The closing and oxygen filling device 4 is a cleaning tank. 5
Is a bomb, and the bomb 5 is washed in the washing tank 4 by the automatic transfer device 7 having the robot hand 6 provided above these, and the lid is closed and the oxygen filling device 3 performs sample filling and oxygen filling. That is, the calorific value is measured in the calorific value measuring water tank 1. The above layout itself is not an essential requirement of the present invention.

The conventional bomb has a screw-type lid on the upper end, but the bomb 5 used in the present invention is a bell-shaped one having a lid 8 on the lower side as shown in FIG. Further, in the present invention, the fitting portion between the bomb 5 and the lid 8 has a bayonet structure. That is, a plurality of (8 in the figure) small projections 9 are provided at equal intervals on a part of the outer circumference of the lid 8, and the annular groove 10 formed on the inner circumference of the lower end of the bomb 5 has this projection. A plurality of notches 11 corresponding to the above are formed. Then, as shown in FIG. 3, the small projection 9 of the lid 8 is cut from the notch 11 of the bomb 5 to the annular groove 10.
4 and is rotated by a small angle (22.5 degrees in the embodiment) as shown in FIG. 4, the lid 8 is engaged with the bomb 5 in a bayonet manner.

The lid 8 is provided with an O-ring 12 on its outer circumference, and two electrode rods 13 penetrating the lid 8 and a high-pressure oxygen supplier. As shown in FIG. 5, the high-pressure oxygen supply tool of the lid 8 is for engaging with the oxygen-supplying plug 15 provided in the lid closing and oxygen filling device 3 to supply high-pressure oxygen into the bomb 5. The automatic closing socket 14 is used.

FIG. 6 and FIG. 7 are enlarged views of the structure of this portion. That is, the automatic closing socket 14 on the lid 8 side has a hollow portion 16 for receiving the plug 15, an O ring 17 is provided on the inner circumference of the hollow portion 16, and a large number of small balls 18 are hollow. It is provided so that it can appear in and out of the section 16. These small balls 18 are in a free state when the outer peripheral ring 19 of the self-closing socket 14 is in the raised position as shown in FIG. 7, but the outer peripheral ring 19 is lowered to the position shown in FIG. 6 by the force of the spring 20. Sometimes it is pushed into the hollow portion 16. Further, a concave groove 21 for receiving the small ball 18 is formed on the outer periphery of the plug 15. Therefore, with the outer ring 19 in the position shown in FIG. 7, the plug 15 is automatically closed.
Inserting it inside 14 and returning outer ring 19 to the position shown in FIG. 6 again, small ball 18 is pushed into recess 21 and plug 15 and self-closing socket 14 can be firmly locked. .

Inside the self-closing socket 14 and the plug 15, there are provided valve bodies 24 which are pressed toward the valve seat 23 by springs 22, respectively. These valve bodies 24 are pushed backwards to open the flow passage when the automatic closing socket 14 and the plug 15 are locked as shown in FIG. 6, but when the two are separated as shown in FIG. Close to 23,
It has a structure that can automatically close the flow path.

As described above, the self-closing socket 14 used in the present invention automatically opens the flow passage when engaged with the plug 15, and automatically closes the flow passage when separated. , Lid closure and plug provided on the oxygen filling device 3
Oxygen can be supplied simply by engaging 15 and the bomb 5. As shown in FIG. 5, a cylinder 25 for operating the outer peripheral ring 19 of the self-closing socket 14 is provided around the plug 15 of the lid closing and oxygen filling device 3, and a small cylinder 26 is used. The outer peripheral ring 19 can be raised and lowered.

FIG. 8 is an enlarged view of the electrode rod 13 of the lid 8 of the bomb 5. As shown in this figure, the electrode rod 13 is mounted on the bomb 5 with a nut 28 through an insulator 27 such as an insulator and an O-ring 29.
It is fixed to the lid 8. The shape of the tip of the electrode rod 13 is not limited to that shown in FIG. 8, but may be the shape shown in FIGS. 9 and 10.

[0013]

Next, the operation of the calorific value measuring device of the present invention will be described. First, with the automatic transfer device 7 having the robot hand 6 shown in FIG. 1, the measured bomb 5 is taken out from the calorific value measuring water tank 1 and lowered onto the rotary table 31 of the lid closing and oxygen filling device 3. At this time, the position of the bomb 5 is accurately adjusted by the guide 30 provided on the rotary table 31. When the bomb 5 is lowered in this way, the automatic closing socket 14 of the lid 8 is automatically fitted with the plug 15 on the rotary base 31 side, and the small ball 18 of the automatic closing socket 14 is recessed in the plug 15. It is pushed into the groove 21 by the spring force and the plug
The 15 and the automatic closing socket 14 are firmly locked, and the flow path between the inside of the bomb 5 and the plug 15 is connected as shown in FIG. Therefore, the solenoid valve on the plug 15 side (not shown)
When opened, the high-pressure combustion gas filling the inside of the bomb 5 is discharged to the outside.

When the bomb 5 is lowered onto the rotary table 31, the electrode rod 13 of the bomb 5 fits into the hole of the rotary table 31 as shown in FIG. 5, so that the internal combustion gas is removed. By rotating the rotating table 31 by a small angle by the rotating mechanism 33,
The bayonet type engagement between the lid 8 and the bomb 5 is released.
Then, with the lid 8 left on the rotary table 31, only the bomb 5 is carried to the cleaning tank 4 by the automatic transfer device 7 and cleaned. Further, during this period, the next sample is set on the lid 8.

The bomb 5 whose inside has been cleaned is closed again by the automatic transfer device 7 and returned to the rotary table 31 of the oxygen filling device 3. Then, by rotating the turntable 31 by a small angle by the rotation mechanism 33 in the opposite direction to the above, the lid 8 and the bomb 5 are rotated.
And are again engaged by the bayonet mechanism. At this time,
Since the automatic closing socket 14 of the lid 8 and the plug 15 on the rotary base 31 side are still connected, the solenoid valve is opened after the lid 8 is closed, and high-pressure oxygen gas is supplied to the inside of the bomb 5.

After that, a small cylinder 26 under the turntable 31
Push up the outer ring 19 with the self-closing socket 14
The small spheres 18 are made free and the engagement with the plug 15 on the rotary table 31 side is released, and then the bomb 5 is lifted by the automatic transfer device 7. As a result, the bomb 5 and the lid 8 are lifted from the rotary table 31, and the next calorific value is measured in the calorific value measuring water tank 1.

[0017]

As described above, in the calorific value measuring apparatus of the present invention, the fitting portion between the bomb and the lid of the bomb has a bayonet structure, and the high pressure oxygen supply port to the inside of the bomb is of the automatic closing type. Since it is a socket, it is possible to automatically open and close the lid and connect a pipe for supplying oxygen. Further, the calorific value measuring device of the present invention does not need to measure the calorific value with the pipe connected, unlike the conventional simple automatic measuring device, and can perform the measurement with high accuracy.

[Brief description of drawings]

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

FIG. 2 is a cross-sectional view showing a bomb according to an embodiment.

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

FIG. 4 is a bottom view showing a state in which the bomb and the lid are engaged with each other.

FIG. 5 is a cross-sectional view of the lid closing and oxygen filling device.

FIG. 6 is a sectional view of the self-closing socket in an engaged state.

FIG. 7 is a sectional view of the self-closing socket in a separated state.

FIG. 8 is an enlarged sectional view of an electrode rod.

FIG. 9 is an enlarged cross-sectional view showing another shape of the electrode rod.

FIG. 10 is an enlarged cross-sectional view showing another shape of the electrode rod.

[Explanation of symbols]

 5 Bomb 8 Lid 14 Self-closing socket

Front page continuation (72) Inventor Ishio Uemura 3-3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc. 1 (72) Inventor Nobuhiko Ishida 2-611 Asahide, Midori-ku, Nagoya, Aichi 1 (72) Inventor Takanori Soda 8 347, Kosei-cho, Okazaki-shi, Aichi

Claims (1)

[Claims] 1. In a calorific value measuring device of a type in which a sample is enclosed in a bomb together with oxygen gas and burned in water, a fitting part between the bomb and a lid of the bomb has a bayonet structure and is provided inside the bomb. Calorific value measuring device characterized in that the high-pressure oxygen supply port of is an automatically closed socket.