JPH05281167A - Measuring apparatus for mixed amount of ice - Google Patents

Abstract

(57) [Abstract] [Purpose] IPF of ice water slurry in tank or pipe
An ice mixing amount measuring device capable of continuously measuring the temperature. [Structure] A temperature detection unit 2 in which a plurality of thermocouples 22 and a heater 23 are arranged, and a support unit 3 for fixing the temperature detection unit 2 are configured.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for measuring the amount of ice mixed in an ice water slurry.

[0002]

2. Description of the Related Art Conventionally, there has been no method for measuring the amount of mixed ice (hereinafter referred to as IPF) in an ice water slurry in a tank or a pipe. For example, there is a method of measuring a quantity of ice by sampling a fixed amount of ice water slurry, or a method of measuring a heat quantity of melting of ice. However, both methods are batch-type, and there is a limit to the use in a plant that continuously transports ice water slurry.

[0003]

The present invention has been made against the background of the prior art as described above, and its object is to measure the amount of ice mixture capable of continuously measuring the IPF of ice water slurry in a tank or a pipe. To provide a device.

[0004]

SUMMARY OF THE INVENTION An ice mixing amount measuring device of the present invention which can achieve the above object, is a temperature detecting part having a plurality of thermocouples and a heater, and a support for fixing the temperature detecting part. It is composed of parts and parts. By thus configuring the temperature detecting unit of the ice mixing amount measuring device with the plurality of thermocouples and the heater, the IPF of the ice water slurry in the tank or the pipe can be continuously measured.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is an ice mixing amount measuring device, and this device 1 is composed of a temperature detecting portion 2 and a support portion 3. The temperature detection unit 2 and the support unit 3 are assembled in an L shape.

The temperature detector 2 is a hollow tube 2 having a closed end.
It is composed of one, five thermocouples 22 and four heaters 23, and the thermocouples 22 and the heaters 23 are arranged along the tube wall of the hollow tube 21. The distance between the thermocouples 22 is preferably 10 to 100 times the average diameter of the ice particles in the ice water slurry. FIG. 2 shows a state in which the ice mixing amount measuring device 1 according to the present invention is set in the ice water slurry transportation pipe 7, and the thermocouple 22 inputs the detected temperature to the computer 5 via the temperature measuring device 4. It is supposed to do. Also,
According to a command from the computer 5, a constant amount of heat is emitted from each heater 23 via the DC power supply device 6.

Therefore, if the temperature detecting portion 2 is surrounded by water, the temperature of the water rises due to the heat generated by the heater 23 (FIG. 3).
See). In the case of ice water slurry, the temperature does not rise until the heat amount corresponding to the heat of fusion is supplied from the heater 23 (see FIG. 3). Therefore, the IPF can be measured by measuring the temperature distribution of the plurality of thermocouples 22. The device 1 may be installed not only in the pipe but also in the tank.

Further, the temperature detecting section 2 and the support section 3 may be arranged on a straight line as shown in FIG. Further, as shown in FIG. 6, one (or two) thermocouple 22 and one heater 23 may be combined into one set of sensors, and a plurality of sensors may be used to measure the IPF. . Also, IP
If F is very large, or if supercooled ice is present, it is also possible to change the heating value of the heater by a computer signal.

[0009]

As described above, according to the present invention, since the temperature detecting portion is composed of the plurality of thermocouples and the heater, the IPF of the ice slurry in the tank or the pipe can be continuously measured. As a result, it is possible to monitor the IPF of the ice water slurry in the pipeline and realize a stable flow of the ice water slurry. In addition, there is an advantage that transactions between the supply side and the consumption side can be facilitated by knowing the transport amount of cold heat.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an ice mixing amount measuring device according to the present invention.

FIG. 2 is an explanatory diagram showing a state in which an IPF of ice water slurry is measured using the apparatus of the present invention.

FIG. 3 is a graph showing the difference in the degree of temperature rise between water and ice water slurry.

FIG. 4 is a graph showing a temperature difference between water and ice water slurry.

FIG. 5 is an explanatory diagram showing another example of the ice mixing amount measuring device according to the present invention.

FIG. 6 is a cross-sectional view showing another example of the ice mixing measuring device according to the present invention.

[Explanation of symbols]

 2 Temperature detection part 3 Support part 22 Thermocouple 23 Heater

Claims (1)

[Claims] 1. An ice mixing amount measuring device comprising: a temperature detecting section in which a plurality of thermocouples and a heater are arranged; and a support section for fixing the temperature detecting section.