Temperature regulation and control system and method for mass concrete foundation construction
By setting temperature monitoring components and cooling pipeline components in large volumes of concrete, combined with solenoid valve control and decision tree model, automated temperature regulation is achieved, solving the problem of complex and poor temperature regulation in the prior art, and improving the accuracy of temperature difference control and structural durability.
Patent Information
- Application Number
- CN202510527536.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2025-07-25
AI Technical Summary
During the existing large-volume concrete construction process, the temperature control method is complex and has poor results, resulting in excessive temperature difference between the inside and the outside, affecting the durability and load-bearing capacity of the structure.
The temperature monitoring components, cooling pipeline components and processor modules are adopted to embed the temperature sensor and thermal conductor plate through a rectangular array, combined with a solenoid valve to control the cooling pipeline, and a decision tree model is built to achieve automated temperature regulation.
The temperature control process is simplified, the accuracy and flexibility of internal and external temperature difference control is improved, the labor intensity is reduced, and the durability and load-bearing capacity of the structure are improved.
Smart Images
Figure CN120367221A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of concrete construction, and in particular to a temperature control system and method for large-volume concrete foundation construction. Background Art
[0002] During the hardening process of large-volume concrete foundations (such as hydraulic structures, power grid tower foundations, etc.), cement hydration reaction releases a large amount of heat, causing the temperature inside the concrete to rise sharply (usually up to 60-80°C). Due to the poor thermal conductivity of concrete, the internal heat is difficult to dissipate quickly, and the outside is affected by the ambient temperature and cools quickly. The temperature difference between the inside and outside is easy to exceed the critical value of 25°C, thus generating temperature stress. When the tensile stress exceeds the tensile strength of the concrete, it will cause through cracks or surface cracks, seriously affecting the durability and bearing capacity of the structure.
[0003] In order to reduce the temperature inside the concrete, the existing construction process usually adopts the method of pre-buried cooling pipelines inside the concrete and cooperates with water supply components to cool down the inside. At the same time, the outer surface of the concrete (the upper surface of the tower base) is greatly affected by the external ambient temperature. When the external ambient temperature is high, the temperature of the upper part of the large volume of concrete is also high, making it difficult for the heat inside to dissipate; when the external ambient temperature is low, the temperature of the upper part of the large volume of concrete is also low, resulting in a large temperature difference between the inside and outside of the large volume of concrete. Therefore, in order to solve the above problems, after the concrete is poured, when the ambient temperature is high, water is sprinkled on the concrete surface to cool it down; when the ambient temperature is low, an insulation layer is laid on the concrete surface to keep it warm. Although the above method can achieve the control of the temperature difference between the inside and outside, it requires frequent manual operations, increases the labor intensity, and the temperature control method is complicated. Summary of the invention
[0004] The purpose of the present invention is to provide a temperature control system and method for mass concrete foundation construction, so as to solve the technical problem that the existing temperature control methods in mass concrete construction are complicated and have poor effects.
[0005] A temperature control system for mass concrete foundation construction, comprising a temperature monitoring component, a cooling pipeline component and a processor module; The cooling water circuit assembly includes a first cooling pipeline pre-buried in the middle of the mass concrete, and a heat conducting plate laid on the upper end surface of the mass concrete, a second cooling pipeline embedded in the heat conducting plate, and a water outlet end of the first cooling pipeline and a water inlet end of the second cooling pipeline are respectively connected to a first port and a second port of the solenoid valve; The temperature monitoring component includes a plurality of internal temperature sensors pre-buried in a large volume of concrete in a rectangular array, and the internal temperature sensors are all in data communication with the processor module, and the processor module controls the movement of the solenoid valve based on the collected data.
[0006] Optionally, the solenoid valve is a three-position four-way solenoid valve; The water inlet end of the first cooling pipeline and the third port of the solenoid valve are both connected to the water outlet end of the water supply module, and the fourth port of the solenoid valve and the water outlet end of the second cooling pipeline are both connected to the water return end of the water supply module.
[0007] Optionally, the solenoid valve includes three states: left valve position, middle valve position, and right valve position. When the solenoid valve is in the middle valve position, the first port is communicated with the fourth port and the second port and the third port are closed; When the solenoid valve is in the left valve position, the first port is communicated with the fourth port and the second port and the third port are communicated. When the solenoid valve is in the right valve position, the first port and the second port are communicated and the third port and the fourth port are closed.
[0008] Optionally, the heat conducting plate includes a plurality of heat conducting modules which are rotatably connected in sequence; Each heat conducting module includes a first heat conducting flat plate, a connecting plate, and a second heat conducting flat plate whose side walls are rotatably connected in sequence. One side wall of the first heat conducting flat plate is rotatable with the side wall of the first heat conducting flat plate of another heat conducting module.
[0009] Optionally, the first heat conducting flat plate and the second heat conducting flat plate are both provided with card slots for embedding and installing the second cooling pipeline; The axis of the card slot is arranged parallel to the rotation axis of the first heat conducting flat plate and the second heat conducting flat plate, and the card slots on the first heat conducting flat plate and the second heat conducting flat plate are arranged in a staggered manner.
[0010] Optionally, the second cooling pipeline includes a heat conducting pipe embedded and installed in the card slot, and adjacent heat conducting pipes are communicated through a heat preservation hose.
[0011] Optionally, it further includes a surface temperature sensor for monitoring the surface temperature of mass concrete.
[0012] A temperature control method for mass concrete foundation construction, using the above-mentioned temperature control system for mass concrete foundation construction, the specific steps are as follows: S1: Data acquisition: Taking △t as the time interval, the surface temperature and internal temperature of mass concrete are collected in real time to form a collection data set; S2: Model construction: Taking the collection data set as the input and taking the flow rates of the first and second cooling pipelines and the valve position of the solenoid valve as control variables, a decision tree model for temperature control is constructed; S3: Variable regulation: Inputting the collection data set at i the moment into the decision tree model, regulating the control variables, and realizing the regulation of the temperature of mass foundation construction.
[0013] Optionally, the specific steps of inputting the acquisition data set into the decision tree model in step S3 to regulate the control variables are as follows: S3.1: Input the acquisition data set at the i th moment into the decision tree model, and judge whether the temperature t 1i is greater than m 1. If it holds, go to step S3.2; if not, go to step S3.3, where: the temperature t 1i is i the highest temperature inside the mass concrete monitored by the temperature monitoring component at the th moment; t 2i S3.2: Judge whether the temperature m is greater than t 2i 1. If it holds, execute step S3.2.1; if not, execute step S3.2.2, where: the temperature i is the average surface temperature of the mass concrete collected at the th moment; v 1i and v 2i ; S3.2.1: Execute Decision 1: Control the solenoid valve to be in the left valve position, and control the flow rates of the first cooling pipeline and the second cooling pipeline to be t 2i less than m 2. If it holds, go to step S3.2.2.1; if not, go to step S3.2.2.2; S3.2.2.1: Execute Decision 2: The solenoid valve is in the right valve position, and control the flow rate of the first cooling pipeline to be v 1i ; S3.2.2.2: Judge whether t 1i - t 2i > m 3 holds: If it holds, execute Decision 3: The solenoid valve is in the left valve position, and control the flow rates of the first cooling pipeline and the second cooling pipeline to be v 1i and v 2i ; If not, execute Decision 4: The solenoid valve is in the middle valve position, and control the flow rate of the first cooling pipeline to be v1i ; S3.3: Determine t 1i - t 2i > m Whether 3 holds. If it holds, go to step S3.3.1; if not, go to step S3.3.2; S3.3.1: Determine the temperature t 2i less than m 2 holds: If it holds, execute Decision Five: The solenoid valve is in the right valve position, and control the first cooling pipeline 1 to be v 1i ; and lay a heat insulation layer on the heat conducting plate; If not, execute Decision Six: The solenoid valve is in the left valve position, and control the flow rates of the first cooling pipeline to be respectively v 1i ; S3.3.2: Execute Decision Seven: The solenoid valve is in the middle valve position, and neither the first cooling pipeline nor the second cooling pipeline is supplied with cooling water.
[0014] Due to the adoption of the above technical solution, the present invention has the following advantages: In this application, by laying a heat conducting plate on the surface of mass concrete and embedding and installing a second cooling water pipe on the heat conducting plate, when the environmental temperature is high, resulting in a large surface temperature of the mass concrete, the surface is cooled through the second cooling water pipe, effectively reducing the temperature difference between the inside and outside of the mass concrete. At the same time, when the external environmental temperature is low, the cooling water of the first cooling water pipe is introduced into the second cooling water pipe to insulate the concrete surface, improving the flexibility of temperature control.
[0015] Other advantages, objectives and features of the present invention will be described to some extent in the subsequent specification, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the following specification. Brief Description of the Drawings
[0016] The brief description of the drawings of the present invention is as follows.
[0017] Figure 1 It is a schematic structural diagram of the temperature regulation system of the present invention.
[0018] Figure 2 It is a schematic structural diagram of the solenoid valve of the present invention.
[0019] Figure 3It is a schematic structural diagram of the heat conducting plate and the second cooling pipeline of the present invention.
[0020] Figure 4 It is a schematic diagram of the structure of the heat-conducting module of the present invention after folding.
[0021] Figure 5 The figure is a flow chart of the temperature control method of the present invention.
[0022] Figure 6 It is a structural schematic diagram of the temperature control decision tree model of the present invention.
[0023] In the figure: 1-first cooling pipeline; 2-heat conducting plate; 201-first heat conducting plate; 202-connecting plate; 203-second heat conducting plate; 204-slot; 3-second cooling pipeline; 301-heat conducting pipe; 302-insulating hose 4-solenoid valve; 401-first port; 402-second port; 403-third port; 404-fourth port; 405-four-channel pipeline; 5-water supply module. DETAILED DESCRIPTION
[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Embodiment 1: like Figure 1 , Figure 2 , Figure 3 and Figure 4 A temperature control system for mass concrete foundation construction is shown, comprising a temperature monitoring component, a cooling pipeline component and a processor module; The cooling water circuit assembly comprises a first cooling pipeline 1 pre-buried in the middle of the mass concrete, and a heat conducting plate 2 laid on the upper end surface of the mass concrete, a second cooling pipeline 3 is embedded and installed on the heat conducting plate 2, and a water outlet end of the first cooling pipeline 1 and a water inlet end of the second cooling pipeline 3 are respectively connected to a first port 401 and a second port 402 of a solenoid valve 4; The temperature monitoring component includes a plurality of internal temperature sensors pre-buried in a large volume of concrete in a rectangular array. The internal temperature sensors are in data communication with the processor module, and the processor module controls the movement of the solenoid valve 4 based on the collected data.
[0026] In this embodiment, taking the transmission tower of a high-voltage power grid as an example, most of the transmission towers are located in remote mountainous areas and high-altitude regions. These areas have technical problems such as high daytime temperatures, strong ultraviolet rays, low nighttime temperatures, and large temperature differences between day and night. During the day, the concrete surface heats up quickly and has a high temperature, making it difficult for the heat inside to dissipate quickly. At night, the concrete surface cools down quickly, resulting in a large temperature difference between the inside and outside. The traditional concrete curing method requires frequent sprinkling operations during the day and laying thermal insulation cotton for heat preservation at night. In this embodiment, the present application lays a heat conduction plate 2 on the surface of the mass concrete, and a second cooling pipeline 3 is embedded and installed on the heat conduction plate 2. When the temperature is high, cooling water is injected into the second cooling pipeline 3 through the control of the solenoid valve 4. When the temperature is low, the outlet water of the first cooling pipeline 1 is connected to the inlet water of the second cooling pipeline 3, and the heat of the outlet water of the first cooling pipeline 1 is used to keep the concrete surface warm.
[0027] In this embodiment, the heat conduction plate 2 is made of an aluminum plate with good heat conduction performance. The internal temperature sensors are set according to the size of the mass concrete. It is selected to be set in three layers at its upper, middle, and lower parts, with a horizontal spacing of 5m to 6m and a vertical spacing of 2m to 3m. After the temperature is collected, the data is transmitted to the remote processor module through the communication module for processing. Both the first cooling pipeline 1 and the second cooling pipeline 3 are cooling pipelines arranged in a meandering shape.
[0028] As Figure 1 and Figure 2 shown, the solenoid valve 4 is a three-position four-way solenoid valve; The inlet end of the first cooling pipeline 1 and the third port 403 of the solenoid valve 4 are both connected to the outlet end of the water supply module 5, and the fourth port 404 of the solenoid valve 4 and the outlet end of the second cooling pipeline 3 are both connected to the return end of the water supply module 5.
[0029] In this embodiment, the water supply module 5 supplies water to the first cooling pipeline 1 and the third port 403 through different water pumps to realize the separate control of the first cooling pipeline 1 and the third port 403.
[0030] As Figure 1 and Figure 2 shown, the solenoid valve 4 includes three states: the left valve position, the middle valve position, and the right valve position. When the solenoid valve 4 is in the middle valve position, the first port 401 is connected to the fourth port 404 and the second port 402 and the third port 403 are closed; When the solenoid valve 4 is in the left valve position, the first port 401 is connected to the fourth port 404 and the second port 402 and the third port 403 are connected. When the solenoid valve 4 is in the right valve position, the first port 401 and the second port 402 are connected and the third port 403 and the fourth port 404 are closed.
[0031] In this embodiment, as Figure 1 and Figure 2 shown, the valve core of the solenoid valve 4 is provided with a four-channel pipeline 405 approximately. When the valve core of the solenoid valve 4 is in the middle valve position, the four outlets of the four-channel pipeline 405 are not connected to any ports. At this time, the first port 401 on the side wall of the right cavity is connected to the fourth port 404, that is, only the inside of the concrete is cooled at this time. When the valve core of the solenoid valve 4 is in the right valve position, two outlets of the four-channel pipeline 405 are connected to the second port 402 and the third port 403. At this time, simultaneous cooling of the inside and surface of the mass concrete is achieved. When the valve core of the solenoid valve 4 is in the left valve position, two outlets of the four-channel pipeline 405 are connected to the first port 401 and the second port 402. At this time, the water at the outlet of the first cooling pipeline 1 is input into the second cooling pipeline to heat-insulate the upper part of the mass concrete.
[0032] As Figure 3 and Figure 4 shown, the heat conducting plate 2 includes a plurality of heat conducting modules rotatably connected in sequence; Each heat conducting module includes a first heat conducting flat plate 201, a connecting plate 202 and a second heat conducting flat plate 203 with side walls rotatably connected in sequence. One side wall of the first heat conducting flat plate 201 rotates with the side wall of the first heat conducting flat plate 201 of another heat conducting module.
[0033] In this embodiment, the heat conducting plate 2 is set as the foldable first heat conducting flat plate 201, connecting plate 202 and second heat conducting flat plate 203, which is convenient for the storage and transportation of the heat conducting plate 2 and avoids its damage. During actual use, the number of heat conducting modules can be increased or decreased according to the size of the mass concrete.
[0034] As Figure 3 and Figure 4 shown, the first heat conducting flat plate 201 and the second heat conducting flat plate 203 are both provided with clamping grooves 204 for embedding and installing the second cooling pipeline 3; The axis of the clamping groove 204 is arranged parallel to the rotation axis of the first heat conducting flat plate 201 and the second heat conducting flat plate 203, and the clamping grooves 204 on the first heat conducting flat plate 201 and the second heat conducting flat plate 203 are arranged in a staggered manner.
[0035] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, the second cooling pipeline 3 includes heat conducting pipes 301 embedded and installed in the clamping grooves 203, and adjacent heat conducting pipes 301 are connected through heat preservation hoses 302.
[0036] In this embodiment, as Figure 4As shown, the card slot 204 is misaligned, and the connecting pipes of adjacent heat conduction pipes 301 are set as heat preservation hoses 302, all for the convenience of folding the heat conduction module.
[0037] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, it also includes a surface temperature sensor for monitoring the surface temperature of mass concrete.
[0038] In this embodiment, the surface temperature sensor is embedded 50 mm away from the concrete surface.
[0039] Embodiment 2: As Figure 5 and Figure 6 shown, a temperature control method for mass concrete foundation construction adopts the temperature control system for mass concrete foundation construction described in Embodiment 1. The specific steps are as follows: S1: Data acquisition: Taking △t as the time interval, the surface temperature and internal temperature of mass concrete are collected in real time to form a collection data set; In this embodiment, in order to reduce data redundancy and data processing volume, △t is set to 30 min. A number of temperature data are collected through the surface temperature sensor, and their average value is taken as the surface temperature. The internal temperature of mass concrete is collected through a number of internal temperature sensors, and the maximum value is selected as its internal temperature data.
[0040] S2: Model construction: Taking the collection data set as the input and the flow rates of the first and second cooling pipelines and the valve positions of the solenoid valves as control variables, a decision tree model for temperature control is constructed; In this embodiment, the decision tree model for temperature control is as Figure 6 shown, where: m 1, m 2 and m 3 are all preset temperature thresholds. In this embodiment, m 1, m 2 and m 3 are 50°, 10° and 25° respectively.
[0041] S3: Variable regulation: Input the collection data set at i moment into the decision tree model, and regulate the control variables to achieve the temperature control of mass foundation construction. The specific steps are as follows: S3.1: Input the collection data set at the i moment into the decision tree model, and judge the temperature t 1i is greater than mWhether 1 holds. If it holds, go to step S3.2; if not, go to step S3.3, where: temperature t 1i is i the highest temperature inside the mass concrete monitored by the temperature monitoring component at the moment; S3.2: Determine whether the temperature t 2i is greater than m 1. If it holds, execute step S3.2.1; if not, execute step S3.2.2, where: temperature t 2i is i the average surface temperature of the mass concrete collected at the moment; S3.2.1: Execute Decision 1: Control the solenoid valve 4 to be in the left valve position, and control the flow rates of the first cooling pipeline 1 and the second cooling pipeline 3 to be v 1i and v 2i respectively; S3.2.2: Determine whether the temperature t 2i is less than m 2. If it holds, go to step S3.2.2.1; if not, go to step S3.2.2.2; S3.2.2.1: Execute Decision 2: The solenoid valve 4 is in the right valve position, and control the flow rate of the first cooling pipeline 1 to be v 1i respectively; S3.2.2.2: Determine whether t 1i - t 2i > m 3 holds: If it holds, execute Decision 3: The solenoid valve 4 is in the left valve position, and control the flow rates of the first cooling pipeline 1 and the second cooling pipeline 3 to be v 1i and v 2i respectively; If not, execute Decision 4: The solenoid valve 4 is in the middle valve position, and control the flow rate of the first cooling pipeline to be v 1i respectively; S3.3: Determine whether t 1i - t 2i > mWhether 3 holds. If it holds, go to step S3.3.1; if not, go to step S3.3.2; S3.3.1: Determine the temperature t 2i less than m 2 holds: If it holds, execute Decision Five: The solenoid valve 4 is in the right valve position, and control the first cooling pipeline 1 to be v 1i ; and lay a heat insulation layer on the heat conducting plate; If not, execute Decision Six: The solenoid valve 4 is in the left valve position, and control the flow rates of the first cooling pipeline 1 to be respectively v 1i ; S3.3.2: Execute Decision Seven: The solenoid valve 4 is in the middle valve position, and neither the first cooling pipeline 1 nor the second cooling pipeline 2 is fed with cooling water.
[0042] In this embodiment, the flow rates v 1i and v 2i are both calculated and set according to the temperature and the dimensions of the cooling pipelines, . Among them v 1i = t 1i. w 1 / πR1 2 , v 2i = t 2i. w 2 / πR2 2 , where R1 and R2 are the radii of the first cooling pipeline 1 and the second cooling pipeline 3 respectively, w 1 and w 2 are conversion constants preset according to experience. In this embodiment, the radii of both the first cooling pipeline 1 and the second cooling pipeline 3 are selected to be 50 mm.
[0043] Finally, it should be noted that: The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the specific implementation manners of the present invention or make equivalent replacements, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall be covered by the protection scope of the claims of the present invention.
Claims
1. A temperature control system for mass concrete foundation construction, characterized in that, Includes temperature monitoring assembly, cooling line assembly and processor module; The cooling water circuit assembly comprises a first cooling pipeline (1) pre-buried in the middle of the mass concrete, and a heat conducting plate (2) laid on the upper end surface of the mass concrete, a second cooling pipeline (3) being embedded and installed on the heat conducting plate (2), and a water outlet end of the first cooling pipeline (1) and a water inlet end of the second cooling pipeline (3) being connected to a first port and a second port of a solenoid valve (4) respectively; The temperature monitoring component comprises a plurality of internal temperature sensors pre-buried in a large volume of concrete in a rectangular array and in layers, the internal temperature sensors are all in data communication with the processor module, and the processor module controls the movement of the solenoid valve (4) based on the collected data.
2. The temperature control system for mass concrete foundation construction according to claim 1, characterized in that, The solenoid valve (4) is a three-position four-way solenoid valve; The water inlet end of the first cooling pipeline (1) and the third port of the solenoid valve (4) are both connected to the water outlet end of the water supply module (5), and the fourth port of the solenoid valve (4) and the water outlet end of the second cooling pipeline (3) are both connected to the water return end of the water supply module (5).
3. The temperature control system for mass concrete foundation construction according to claim 2, characterized in that, The solenoid valve (4) comprises three states: a left valve position, a middle valve position and a right valve position. When the solenoid valve (4) is in the middle valve position, the first port is connected to the fourth port and the second port and the third port are closed; When the solenoid valve (4) is in the left valve position, the first port is connected to the fourth port and the second port is connected to the third port; when the solenoid valve (4) is in the right valve position, the first port is connected to the second port and the third port is closed.
4. A temperature control system for mass concrete foundation construction according to claim 1, characterized in that, The heat conducting plate (2) comprises a plurality of heat conducting modules which are rotatably connected in sequence; The heat-conducting modules each comprise a first heat-conducting plate (201), a connecting plate (202) and a second heat-conducting plate (203) whose side walls are rotatably connected in sequence, and a side wall of the first heat-conducting plate (201) rotates with a side wall of the first heat-conducting plate (201) of another heat-conducting module.
5. The temperature control system for mass concrete foundation construction according to claim 4, characterized in that, The first heat-conducting flat plate (201) and the second heat-conducting flat plate (203) are both provided with a slot (204) for embedding and installing the second cooling pipeline (3); The axis of the clamping slot (204) is arranged parallel to the rotation axis of the first heat-conducting plate (201) and the second heat-conducting plate (203), and the clamping slots (204) on the first heat-conducting plate (201) and the second heat-conducting plate (203) are arranged in a staggered manner.
6. The temperature control system for mass concrete foundation construction according to claim 5, characterized in that, The second cooling pipeline (3) comprises a heat conducting pipe (301) embedded in the slot (203), and adjacent heat conducting pipes (301) are connected via a heat-insulating hose (302).
7. A temperature control system for mass concrete foundation construction according to claim 1, characterized in that, Also included is a surface temperature sensor for monitoring the surface temperature of mass concrete.
8. A temperature control method for mass concrete foundation construction, characterized in that, A temperature control system for mass concrete foundation construction according to any one of claims 1 to 7 is used, wherein the specific steps are as follows: S1: Data collection: The surface temperature and internal temperature of the mass concrete are collected in real time at a time interval of △t to form a collection data set; S2: Model construction: Taking the collected data set as input, the flow rates of the first and second cooling pipelines and the valve position of the solenoid valve as control variables, a decision tree model for temperature control is constructed; S3: Variable regulation: Input the acquisition data set at i into the decision tree model to regulate the control variables and achieve the regulation of the temperature during the mass foundation construction.
9. A temperature control method for mass concrete foundation construction according to claim 8, characterized in that, In step S3, when the collected data set is input into the decision tree model, the specific steps for regulating the control variables are as follows: S3.1: Input the acquisition data set at the i moment into the decision tree model to determine whether the temperature t 1i is greater than m 1. If it holds, go to step S3.2; if not, go to step S3.3, where: the temperature t 1i is i the highest temperature inside the mass concrete monitored by the temperature monitoring component at the moment; S3.2: Determine the temperature t 2i Greater than m 1 is true, if so, execute step S3.2.1, if not, execute step S3.2.2, where: the temperature t 2i Is i The average temperature of the surface layer of mass concrete collected at the moment; S3.2.1: Execute Decision 1: Control the solenoid valve (4) to be in the left valve position, and control the flow rates of the first cooling pipeline (1) and the second cooling pipeline (3) to be v 1i and v 2i ; S3.2.2: Determine the temperature t 2i Less than m Is 2 established? If it is established, go to step S3.2.2.1; if it is not established, go to step S3.2.2.2; S3.2.2.1: Execute Decision 2: The solenoid valve (4) is in the right valve position and controls the flow rates of the first cooling pipeline (1) to be respectively v 1i ; S3.2.2.2: Judgment t 1i - t 2i > m Whether 3 holds: If it holds, execute Decision Three: The solenoid valve (4) is in the left valve position and controls the flow rates of the first cooling pipeline (1) and the second cooling pipeline (3) to be respectively v 1i and v 2i ; If it does not hold, then execute Decision Four: The solenoid valve (4) is in the middle valve position and controls the flow rates of the first cooling pipeline to be respectively v 1i ; S3.3: Determine t 1i - t 2i > m Whether 3 holds. If it holds, go to step S3.3.1; if not, go to step S3.3.2; S3.3.1: Determine the temperature t 2i Less than m Is 2 established: If it holds, execute Decision Five: The solenoid valve (4) is in the right valve position, controlling the first cooling pipeline 1 to be v 1i ; and lay a heat insulation layer on the heat conducting plate; If it does not hold, then execute Decision Six: The solenoid valve (4) is in the left valve position and controls the flow rates of the first cooling pipeline (1) to be respectively v 1i ; S3.3.2: Execute Decision Seven: The solenoid valve (4) is in the middle valve position, and neither the first cooling pipeline (1) nor the second cooling pipeline (2) is supplied with cooling water.