Temperature management system and temperature management method

Abstract

To provide a temperature management system etc. that can appropriately control the temperature within a concrete manufacturing plant.SOLUTION: A temperature management system for managing the temperature within a concrete manufacturing plant includes: an acquisition part that acquires a measurement value of an atmosphere temperature measured by a temperature sensor installed within the manufacturing plant; and a control part that controls the airflow within the manufacturing plant based on the measurement value acquired by the acquisition part. The control part may control the direction or intensity of the airflow. The control part may control the operation of a heater installed in the manufacturing plant based on the measurement value of the temperature sensor.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a thermal management system and a thermal management method. [Background technology]

[0002] Patent Document 1 discloses a temperature control system that can adjust the temperature of concrete to a target temperature by adjusting the temperature of hot or cold water or the like. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2023-104653 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the technology disclosed in Patent Document 1 cannot control the temperature inside a concrete manufacturing plant (batcher plant).

[0005] Therefore, in one aspect, an object of the present invention is to provide a temperature control system and the like that can appropriately control the air temperature inside a concrete manufacturing plant. [Means for solving the problem]

[0006] In one embodiment, A temperature control system for controlling the temperature in a concrete manufacturing plant, an acquisition unit that acquires a measurement value of air temperature measured by a temperature sensor installed in the manufacturing plant; a control unit that controls an airflow in the manufacturing plant based on the measurement value acquired by the acquisition unit; A temperature control system is provided, comprising: [Effects of the Invention]

[0007] In one aspect, the present invention makes it possible to appropriately control the air temperature inside a concrete manufacturing plant. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a diagram illustrating a configuration of a temperature control system according to an embodiment of the present invention. [Figure 2] FIG. 1 is a front view illustrating a configuration of a manufacturing plant. [Figure 2A] FIG. 1 is a top view illustrating a configuration of a manufacturing plant. [Figure 2B] 3 is a side view (a side view seen from the left side of FIG. 2) illustrating the configuration of a manufacturing plant. [Figure 3] 10 is a flowchart illustrating an example of the operation of the temperature management system. DETAILED DESCRIPTION OF THE INVENTION

[0009] FIG. 1 is a diagram showing the configuration of a temperature control system according to this embodiment.

[0010] As shown in Figure 1, the temperature management system 10 of this embodiment includes an acquisition unit 11 that acquires measured air temperature values ​​measured by temperature sensors 20A, 20B, 20C, etc. installed in a concrete manufacturing plant 50, and a control unit 12 that controls airflow, etc. within the manufacturing plant 50 based on the measured values ​​acquired by the acquisition unit 11.

[0011] 1, the control unit 12 is connected to fans 30A, 30B, etc. installed in the manufacturing plant 50, and jet heaters 40A, 40B, 40C, etc., which are heating appliances installed in the manufacturing plant 50. The control unit 12 controls the operation of the fans 30A, 30B, etc. and the jet heaters 40A, 40B, 40C, etc., based on the measured values ​​acquired by the acquisition unit 11.

[0012] The temperature control system 10 is configured using a single or multiple computers on which a predetermined program is installed, and all or part of the system can be installed within the manufacturing plant 50 or outside the manufacturing plant 50. For example, the temperature control system 10 can be configured as part of the functions of a server that manages the temperatures of multiple plants, including the manufacturing plant 50.

[0013] FIG. 2 is a front view illustrating the configuration of the manufacturing plant, FIG. 2A is a top view illustrating the configuration of the manufacturing plant, and FIG. 2B is a side view (a side view seen from the left of FIG. 2) illustrating the configuration of the manufacturing plant.

[0014] 2, manufacturing plant 50 includes aggregate bins 51A, 51B, and 51C for storing aggregates (sand, gravel, etc.), water tanks 52 and 53, crane device 55, belt conveyors 56 and 57, hoppers 56a and 57a, and mixer 58. Manufacturing plant 50 also includes storage section 59 (FIG. 2A) for storing a mixer truck that receives the contents of mixer 58.

[0015] Aggregates are removed from aggregate bins 51A, 51B, and 51C by crane device 55 and dumped into hoppers 56a and 57a, and then transported to mixer 58 by belt conveyors 56 and 57. Mixing water in temperature-controlled water tank 52 is supplied to mixer 58 via water tank 53. Incidentally, by covering the outer periphery of water tanks 52 and 53 with insulating material, the insulating performance is improved, and the fuel consumption of the boiler required to heat the mixing water can be reduced. The mixture produced by mixer 58 is dumped into a mixer truck parked in storage area 59.

[0016] 1 are attached to various parts of the manufacturing plant 50. For example, FIGS. 2 and 2B show the positions of the fans 30A and 30B installed at the top of the manufacturing plant 50. The arrows shown on the fans 30A and 30B in FIGS. 2 and 2A indicate the directions of airflow from the fans 30A and 30B, respectively.

[0017] Next, an example of the operation of the temperature control system 10 will be described.

[0018] FIG. 3 is a flowchart showing an example of the operation of the temperature control system.

[0019] In step S102 of FIG. 3, the control unit 12 acquires, via the acquisition unit 11, the measured values ​​of the air temperature measured by the temperature sensors 20A, 20B, 20C, . . .

[0020] In step S104, the control unit 12 controls the operation of the jet heaters 40A, 40B, 40C, etc. based on the measured temperature value acquired in step S102.

[0021] Here, for example, if the measurement value by the temperature sensor 20A installed near the aggregate bins 51A, 51B and 51C exceeds a predetermined threshold, the control unit 12 stops the operation of the jet heaters 40A, 40B, 40C, etc., or suppresses the operating state of the jet heaters 40A, 40B, 40C, etc.

[0022] In step S106, the control unit 12 controls the operation of the fan 30A based on the measured temperature value acquired in step S102.

[0023] Here, for example, the operation of the blower 30A is controlled based on the comparison result between a measurement value (first measurement value) from a temperature sensor 20B installed near the blower 30A and a measurement value (second measurement value) from a temperature sensor 20A installed near the aggregate bins 51A, 51B, and 51C. For example, if the difference Δ between the first measurement value and the second measurement value (first measurement value - second measurement value) is greater than a predetermined threshold value (first threshold value), the blower 30A is operated (continues to operate), and if the difference Δ is equal to or less than the first threshold value, the blower 30A is not operated (stops to operate). As a result, if the difference Δ is greater than the first threshold value, air with a relatively high temperature near the blower 30A can be sent to the vicinity of the aggregate bins 51A, 51B, and 51C.

[0024] In step S108, control unit 12 controls the operation of fan 30B based on the measured value of the air temperature acquired in step S102, and the process proceeds to step S102.

[0025] Here, for example, the operation of blower 30B is controlled based on a comparison between a measurement value (first measurement value) from temperature sensor 20B installed near blower 30A and a measurement value (third measurement value) from temperature sensor 20C installed near blower 30B. For example, if there is a certain temperature difference between the first measurement value and the third measurement value, blower 30B is operated (continued to operate), and if there is no certain temperature difference, blower 30B is not operated (stopped to operate). This makes it possible to equalize the temperature near blower 30A and the temperature near blower 30B. In other words, it is possible to equalize the temperature in the upper part of manufacturing plant 50. This makes it possible to prevent, for example, the temperature from rising only near a location exposed to sunlight during a specific time period.

[0026] In this way, in this embodiment, the on / off and operation strength of the jet heaters 40A, 40B, 40C, etc. are controlled according to the air temperatures near the aggregate bins 51A, 51B, and 51C. This makes it possible to avoid unnecessary operation of the jet heaters 40A, 40B, 40C, etc., and to reduce fuel consumption.

[0027] In this embodiment, the airflow is controlled according to the temperature distribution within the manufacturing plant 50, thereby equalizing the temperature within the manufacturing plant 50. For example, by sending air from the upper part, where temperatures tend to be high, downward, the temperature in necessary areas, such as the vicinity of the aggregate bins 51A, 51B, and 51C, can be raised. This avoids unnecessary operation of the jet heaters 40A, 40B, 40C, etc., and reduces fuel consumption. Furthermore, when blowing air by the blowers 30A, 30B, etc. is not required, the operation of the blowers 30A, 30B, etc. can be stopped, thereby reducing power consumption.

[0028] 3, the temperature of the aggregates stored in aggregate bins 51A, 51B, and 51C is managed by controlling the air temperatures near aggregate bins 51A, 51B, and 51C. However, the target of air temperature control is arbitrary, and for example, the temperature of the aggregates in hopper 56a or hopper 57a can be managed by controlling the air temperatures near hopper 56a or hopper 57a.

[0029] 3, the presence or absence of airflow is switched on and off, but the direction or strength of the airflow may also be controlled. For example, the airflow direction may be controlled so as to be directed toward an object to be heated. Also, for example, the strength of the airflow may be controlled based on the temperature of the object to be heated. Also, the orientation or position of the jet heaters 40A, 40B, 40C, etc. may be controlled.

[0030] Furthermore, in this embodiment, the fuel consumption amount in the jet heaters 40A, 40B, 40C, etc. may be monitored, and the operation of the jet heaters 40A, 40B, 40C, etc. may be controlled based on the fuel consumption amount.

[0031] Typically, in batcher plants for sprayed concrete used in mountain tunnels, especially in environments with low temperatures in winter, jet heaters are used to heat aggregate in aggregate bins and hoppers to ensure the proper properties of the concrete. The fuel consumption of jet heaters installed in various parts of the plant accounts for a large proportion of fuel costs. Without proper management of temperature distribution and fuel consumption, the concrete properties vary, and unnecessary heating of the plant results in excessive fuel consumption. In contrast, this embodiment can reduce fuel consumption, thereby contributing not only to cost reductions but also to a reduction in CO2 emissions.

[0032] As described above, in this embodiment, the airflow and the like within the concrete manufacturing plant 50 are controlled based on the measured air temperature values ​​measured by the temperature sensors 20A, 20B, 20C, etc. installed within the plant 50, thereby making it possible to appropriately control the air temperature within the concrete manufacturing plant. Furthermore, unnecessary operation of the jet heaters 40A, 40B, 40C, etc. can be avoided, thereby contributing to cost reduction and a reduction in CO2 emissions while maintaining the concrete properties.

[0033] Although the embodiments have been described in detail above, the present invention is not limited to the specific embodiments, and various modifications and changes are possible within the scope of the claims. In addition, it is also possible to combine all or a plurality of components of the above-described embodiments. [Explanation of symbols]

[0034] 10 Temperature Control System 11 Acquisition Department 12 Control Unit

Claims

1. A temperature control system for controlling the temperature in a concrete manufacturing plant, an acquisition unit that acquires a measurement value of air temperature measured by a temperature sensor installed in the manufacturing plant; a control unit that controls an airflow in the manufacturing plant based on the measurement value acquired by the acquisition unit; A temperature control system.

2. The temperature management system according to claim 1 , wherein the control unit controls a direction or a strength of the airflow.

3. The temperature management system according to claim 1 , wherein the control unit controls the operation of a heater installed in the manufacturing plant based on the measurement value of the temperature sensor.

4. The temperature management system according to claim 3 , wherein the control unit controls on / off of the heater.

5. A temperature control method for a concrete manufacturing plant, comprising: an acquiring step of acquiring a measurement value of air temperature measured by a temperature sensor installed in the manufacturing plant; a control step of controlling an airflow in the manufacturing plant based on the measurement values ​​acquired by the acquisition step; A temperature control method comprising:

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