CN118034406A - Large-volume concrete intelligent temperature control system and construction method - Google Patents
Large-volume concrete intelligent temperature control system and construction method Download PDFInfo
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- CN118034406A CN118034406A CN202410289256.2A CN202410289256A CN118034406A CN 118034406 A CN118034406 A CN 118034406A CN 202410289256 A CN202410289256 A CN 202410289256A CN 118034406 A CN118034406 A CN 118034406A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention discloses a large-volume concrete intelligent temperature control system and a construction method, wherein the large-volume concrete intelligent temperature control system comprises a temperature control system platform, a temperature sensor, large-volume concrete, a system water tank, a system water pump, a water pipe, a circulating cooling device, a cooling water pipe assembly and a temperature control actuator, the cooling water pipe assembly comprises a plurality of layers of cooling water pipes buried in the large-volume concrete, the temperature sensor comprises an inner temperature sensor, an outer temperature sensor, a water inlet temperature sensor and a water outlet temperature sensor, the temperature control system platform receives temperature signals of the temperature sensor and sends control instructions to the system water pump and the temperature control actuator; the invention has simple structure, reasonable design and low construction cost, can regulate and control the temperature of the mass concrete in real time, has high intelligent degree, realizes water recycling, improves the construction maintenance quality of the mass concrete, and fully ensures the safety and normal use of the building structure.
Description
Technical Field
The invention relates to the technical field of concrete construction, in particular to an intelligent temperature control system for mass concrete and a construction method.
Background
Bulk concrete refers to a substantial amount of concrete having a concrete structure body of a minimum geometric dimension of not less than 1m, or concrete expected to cause the generation of harmful cracks due to temperature changes and shrinkage caused by hydration of a binder in the concrete. The section size of the large-volume concrete structure is relatively large, and the large-volume concrete structure is generally ultra-long, ultra-wide and ultra-thick. Mass concrete construction such as high-rise building foundations, large-scale equipment foundations, water conservancy dams and the like is often involved in modern buildings.
The temperature control of the mass concrete is a measure adopted in the concrete construction process to prevent concrete cracks caused by temperature reasons, and the temperature control is strictly implemented in the concrete construction process to ensure the safety and normal use of the building structure.
When the temperature of the existing mass concrete is controlled, a through pipe is buried in advance, then water flow is introduced into the through pipe after the concrete construction is finished, and the inner side of the concrete is cooled by the water flow. This method has mainly the following disadvantages:
firstly, real-time monitoring cannot be realized, the intelligent degree is low, the concrete temperature, the cooling water temperature and the like are manually adjusted by virtue of experience judgment, the operation is complicated, and the temperatures of different positions of the mass concrete cannot be monitored in real time;
Secondly, the cooling water cannot be recycled, the construction cost is high, water flow supplements the cooling water from the water tank, enters the cooling water pipe through one end and is discharged at the other end, and finally, the water flow is directly discharged after cooling, so that the water resource is wasted;
third, the cooling effect is poor, can not play fine cooling effect, can not realize the whole area cooling, very easily causes the concrete crack.
Therefore, the field needs to propose a novel large-volume concrete intelligent temperature control system with real-time temperature monitoring, high intelligent degree, water recycling, low construction cost and good cooling effect.
Disclosure of Invention
In order to overcome the defects of incapability of monitoring the temperature of the mass concrete in real time, water resource waste, high construction cost and poor cooling effect in the prior construction technology, the invention provides an intelligent mass concrete temperature control system and a construction method.
According to a first aspect of the present invention, there is provided a mass concrete intelligent temperature control system comprising:
the system comprises a temperature control system platform, a temperature sensor, mass concrete, a system water tank, a system water pump, a water delivery pipe, a circulating cooling device, a cooling water pipe assembly and a temperature control actuator;
The cooling water pipe assembly comprises a plurality of layers of cooling water pipes buried in the mass concrete, the system water tank is connected with an inlet of the cooling water pipe assembly through the water pipe, the circulating cooling device is connected with an outlet of the cooling water pipe assembly through the water pipe, the system water tank is connected with the circulating cooling device through the water pipe, the system water pump is connected to the water pipe, and the temperature control actuator is arranged on the cooling water pipe assembly;
The temperature control system platform is respectively and electrically connected with the temperature sensor, the system water pump and the temperature control actuator, and is configured to receive a temperature signal sent by the temperature sensor, process the temperature signal, generate temperature data and send control instructions to the system water pump and the temperature control actuator based on the temperature data;
The temperature sensor comprises a plurality of internal temperature sensors arranged inside the mass concrete, a plurality of external temperature sensors arranged outside the mass concrete, a water inlet temperature sensor close to the inlet of the cooling water pipe assembly and a water outlet temperature sensor close to the outlet of the cooling water pipe assembly.
Preferably, each layer of cooling water pipe of the cooling water pipe assembly is provided with a temperature control actuator respectively.
Preferably, the positions of the internal temperature measuring sensors correspond to the positions of the cooling water pipes respectively, and the temperature control system platform is used for sending control instructions to the temperature control actuator on the cooling water pipe corresponding to one layer of the internal temperature measuring sensor when the temperature data of one internal temperature measuring sensor exceeds parameters.
Preferably, the temperature control system platform comprises a temperature control terminal and a processing module, wherein the temperature control terminal is used for carrying out data monitoring, data acquisition, data storage and parameter setting, the processing module is used for sending a control instruction to the temperature control terminal based on temperature data and parameters, and the temperature control terminal sends the control instruction to the temperature control actuator and the system water pump.
Preferably, the processing module includes:
the intelligent control module is used for sending a control instruction for controlling the temperature control executor to adjust the opening degree when the temperature data of the internal temperature measurement sensor exceeds the judgment condition;
The temperature difference sensing module is used for calculating a difference value D1 of temperature data of the internal temperature measuring sensor and the external temperature measuring sensor, sending a control instruction for controlling the system water pump to start when the difference value D1 is judged to be larger than a parameter, and sending the control instruction to close the system water pump when the difference value D1 is judged to be smaller than the parameter;
The temperature sensing module is used for sending a control instruction for controlling the system water pump to start when the temperature data of the internal temperature measuring sensor is judged to be larger than the parameter, and sending a control instruction for controlling the system water pump to close when the temperature data of the internal temperature measuring sensor is judged to be smaller than the parameter;
the heat sensing module is used for calculating a difference value D2 of temperature data of the water inlet temperature sensor and the water outlet temperature sensor, and calculating the heat of the water according to the difference value D2 and engineering actual parameters.
Preferably, the temperature control system platform further comprises a warning device and a power battery for supplying power,
Triggering the warning device when the temperature data of at least one internal temperature measuring sensor exceeds the parameters,
And triggering the warning device when the difference D1 of the temperature data of the internal temperature measuring sensor and the external temperature measuring sensor is larger than a parameter.
Preferably, the circulating cooling device comprises a box body, wherein a vent is arranged on the box body, and the circulating cooling device further comprises a fan arranged in the box body:
a heat sink;
the water inlet channel is connected with one end of the radiator and is connected with the outlet of the cooling water pipe assembly through the water delivery pipe;
The water outlet channel is connected with the other end of the radiator and is connected with the system water tank through the water delivery pipe;
The spraying system is arranged at the upper end of the radiator;
A water collector connected to the spray system;
the water storage tank is arranged at the lower end of the radiator;
And the circulating water pump is connected between the water storage tank and the water collector through an internal pipeline.
Preferably, a plurality of layers of inner side points are arranged in the height direction in the bulk concrete, each layer of inner side points comprises a plurality of inner side points which are arranged at intervals in the horizontal direction, and the inner temperature measuring sensors are distributed at the inner side points;
The surface of the mass concrete is provided with external measuring points which are distributed at intervals, and the external temperature measuring sensors are distributed at the external points.
Preferably, the cooling water pipes of the cooling water pipe assembly are arranged along the height direction, each layer of the cooling water pipes comprises two cooling water pipes spirally coiled in the horizontal direction, and the flowing directions of the cooling water in the two cooling water pipes are opposite.
According to a second aspect of the invention, there is provided a construction method of a mass concrete intelligent temperature control system, comprising the steps of:
Step one: preparation for construction
Firstly, cushion construction, reinforcement binding, embedded part installation and template installation are carried out, and reserved holes for arranging cooling water pipe assemblies are formed in the templates;
Step two: the cooling water pipe assembly is buried
A plurality of layers of cooling water pipes of the cooling water pipe assembly are arranged, and a temperature control actuator is arranged on the cooling water pipe assembly;
step three: temperature control system platform layout
The system water tank, the system water pump and the cooling water pipe assembly are connected through a water pipe;
arranging a temperature sensor, and electrically connecting a temperature control system platform with the temperature sensor, a system water pump and a temperature control actuator;
installing a circulating cooling device, and connecting the circulating cooling device with a cooling water pipe assembly and a system water tank through a water delivery pipe to form a circulating channel;
Step four: concrete pouring
The concrete is subjected to mix proportion design, raw materials are selected, casting temperature is controlled, and the concrete is cast in layers;
step five: concrete cooling
After the concrete is initially set, starting a temperature control system platform, performing data processing after the temperature control system platform receives a temperature signal sent by a temperature sensor, generating temperature data, and sending a control instruction to a system water pump and a temperature control actuator based on the temperature data to cool the concrete;
Step six: concrete adjusting and curing
After the concrete pouring is finished, the temperature control system platform sends a control instruction to the temperature control actuator based on temperature data of the internal temperature measuring sensor;
step seven: and (5) detecting and checking concrete.
Compared with the prior art, the invention has the following advantages and beneficial effects:
The temperature control system platform can realize real-time monitoring of temperatures at different positions inside the mass concrete, the surface of the mass concrete and the inlet and outlet of the cooling water pipe assembly through the plurality of internal temperature measuring sensors, the plurality of external temperature measuring sensors, the water inlet temperature sensor and the water outlet temperature sensor, so that the temperature measurement is realized in all aspects, and the temperature measurement process is simple to operate; the multi-layer cooling water pipes of the cooling water pipe assembly can be lowered at different positions inside the mass concrete, so that the problems of uneven temperature in the mass concrete, untimely system regulation and control and the like are solved, the equalization, automation and intellectualization of system temperature control are achieved, the occurrence of mass concrete cracking is avoided, the mass concrete construction maintenance quality is improved, and the safety and normal use of a building structure are fully ensured;
After cooling water in the cooling water pipe assembly cools down the mass concrete, transport to cooling circulation cooling device through the raceway, cooling circulation cooling device carries the final transmission to the system water tank through the raceway after cooling down the cooling water, realizes cyclic utilization of water, reduces the consumption of cooling water, has saved the water resource, can reduce cost, has improved the problem that the cooling water volume that exists when cooling down the mass concrete among the prior art is big, with high costs.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the intelligent mass concrete temperature control system of the present invention;
FIG. 2 is a schematic diagram of a temperature control system platform of the intelligent mass concrete temperature control system of the present invention;
FIG. 3 is a schematic diagram of the circulating cooling apparatus of the intelligent mass concrete temperature control system of the present invention;
FIG. 4 is a schematic diagram of the arrangement of temperature sensors of the intelligent mass concrete temperature control system of the present invention;
FIG. 5 is a schematic diagram of the structure of a cooling water pipe assembly of the intelligent mass concrete temperature control system of the present invention;
FIG. 6 is a schematic diagram of the steps of the construction method of the intelligent temperature control system for mass concrete of the invention.
Drawings
1. A temperature control system platform; 11. a temperature control terminal; 12. a processing module; 121. an intelligent control module; 122. a temperature difference sensing module; 123. a temperature sensing module; 124. a heat sensing module; 13. a warning device; 14. a power battery; 2. a temperature sensor; 21. an internal temperature measurement sensor; 22. an external temperature sensor; 23. a water inlet temperature sensor; 24.a water outlet temperature sensor; 3. mass concrete; 4.a system water tank; 5. a system water pump; 6. a water pipe; 7. a water inlet; 8. a water outlet; 9. a circulation cooling device; 91. a water inlet channel; 92. a heat sink; 93. a spraying system; 94. a water collector; 95. a water storage tank; 96. an inner pipe; 97. a circulating water pump; 98. a vent; 99. a water outlet channel; 10. a cooling water pipe assembly; 101. a temperature control actuator; 102. a water pipe joint.
Detailed Description
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "assembled", "mounted", "connected", "buried", "arranged", "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Herein, "first", "second", etc. are used only for distinguishing one another, and do not denote any order or importance, but rather denote a prerequisite of presence.
Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.
In this document, unless otherwise indicated, the meaning of "a plurality" is two or more. Unless otherwise indicated, numerical ranges herein include not only the entire range within both of its endpoints, but also the several sub-ranges contained therein.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Fig. 1 to 5 show an intelligent temperature control system for mass concrete according to the present invention. The intelligent temperature control system for the mass concrete comprises a temperature control system platform 1, a temperature sensor 2, mass concrete 3, a system water tank 4, a system water pump 5, a water delivery pipe 6, a circulating cooling device 9, a cooling water pipe assembly 10 and a temperature control actuator 101.
The cooling water pipe assembly 10 is buried in a plurality of layers of cooling water pipes inside the mass concrete 3, and the cooling water pipe assembly 10 includes an inlet and an outlet extending out of the mass concrete 3. The system water tank 4 is connected with an inlet of the cooling water pipe assembly 10 through the water pipe 6, the circulating cooling device 9 is connected with an outlet of the cooling water pipe assembly 10 through the water pipe 6, the system water tank 4 is connected with the circulating cooling device 9 through the water pipe 6, the system water pump 5 is connected to the water pipe 6, and the temperature control actuator 101 is arranged on the cooling water pipe assembly 10.
Specifically, as shown in fig. 1, the water pipe 6 is provided with a plurality of water pipes, and the system water tank 4, the cooling water pipe assembly 10 and the circulation cooling device 9 are connected into a circulation passage through the water pipe 6. The system water pump 5 provides power in the circulation channel, so that cooling water in the system water tank 4 is conveyed into the cooling water pipe assembly 10 to cool and cool the mass concrete 3, and heat is taken away. The warmed cooling water is conveyed to the circulation cooling device 9, the circulation cooling device 9 cools the cooling water and then is conveyed back to the system water tank 4, and circulation utilization of the cooling water is achieved. The inlets of the cooling water pipe assemblies 10 are respectively communicated with the multi-layer cooling water pipes, cooling water can be fed into the multi-layer cooling water pipes through the inlets, the outlets of the cooling water pipe assemblies 10 are respectively communicated with the multi-layer cooling water pipes, and the multi-layer cooling water pipes discharge the cooling water through the outlets. The multilayer cooling water pipe can simultaneously cool a plurality of places inside the mass concrete 3, and uniform cooling and high efficiency are realized. The temperature control actuator 101 is used to adjust the flow rate or flow velocity of the cooling water in the cooling water pipe assembly 10. The temperature control actuator 101 may be a flow control valve, such as a throttle valve, a speed valve, or the like. Specifically, the flow control valve is an electric flow control valve, so that automatic adjustment can be realized.
The temperature control system platform 1 is electrically connected with the temperature sensor 2, the system water pump 5 and the temperature control actuator 101 respectively, and the temperature control system platform 1 is configured to receive a temperature signal sent by the temperature sensor 2, process the data to generate temperature data, send a control instruction to the system water pump 5 and the temperature control actuator 101 based on the temperature data, control the system water pump 5 to be opened and closed, and control the temperature control actuator 101 to adjust the opening degree.
The temperature sensor 2 comprises a number of internal temperature sensors 21 arranged inside the mass concrete 3, a number of external temperature sensors 22 arranged outside the mass concrete 3, a water inlet temperature sensor 23 near the inlet of the cooling water pipe assembly 10, and a water outlet temperature sensor 24 near the outlet of the cooling water pipe assembly 10. The inner temperature sensor 21 is used for measuring the temperature inside the mass concrete 3, the outer temperature sensor 22 is used for detecting the temperature of the surface of the mass concrete 3, the water inlet temperature sensor 23 is used for measuring the temperature near the inlet position of the cooling water pipe assembly 10, and the water outlet temperature sensor 24 is used for measuring the temperature near the outlet position of the cooling water pipe assembly 10.
The temperature control system platform 1 can realize real-time monitoring of temperatures at different positions inside the mass concrete 3, the surface of the mass concrete 3 and the inlet and outlet of the cooling water pipe assembly 10 through the plurality of internal temperature measuring sensors 21, the plurality of external temperature measuring sensors 22, the water inlet temperature sensor 23 and the water outlet temperature sensor 24, so that the temperature measurement in all aspects is realized, and the temperature measurement process is simple and efficient to operate; the problems of unbalanced temperature, uneven heat distribution, untimely system regulation and control and the like of the mass concrete 3 are effectively solved, so that the equalization, automation and intellectualization of the system temperature control are achieved, and the occurrence of mass concrete cracking is avoided;
The cooling water entering the cooling water pipe assembly 10 cools the mass concrete 3, takes away heat, and then is conveyed to the cooling circulation cooling device 9 through the water conveying pipe 6. The cooling circulation cooling device 9 cools down the cooling water, then transmits to the system water tank 4 through the raceway 6, realizes cyclic utilization of water, reduces the consumption of cooling water, has saved the water resource, can reduce cost, has improved the problem that the cooling water volume that exists is big when cooling down bulky concrete 3 among the prior art, with high costs.
Specifically, as shown in fig. 1, the multi-layer cooling water pipe of the cooling water pipe assembly 10 may be connected through the water pipe joint 102, the water pipe joint 102 connected to the front end of the multi-layer cooling water pipe may serve as an inlet of the cooling water pipe assembly 10, and the water pipe joint 102 connected to the rear end of the multi-layer cooling water pipe may serve as an outlet of the cooling water pipe assembly 10. The end part of the water delivery pipe 6 used for connecting the inlet of the cooling water pipe assembly 10 is provided with a water inlet 7, and the water inlet 7 is connected with the cooling water pipe assembly 10 through a water pipe joint 102. The end part of the water delivery pipe 6 used for being connected with the outlet of the cooling water pipe assembly 10 is provided with a water outlet 8, and the water outlet 8 is connected with the cooling water pipe assembly 10 through a water pipe joint 102. The water connection 102 facilitates connection of the water pipe 6. The water pipe joint 102 can be a clamping sleeve type water pipe joint, and the inner diameter is consistent with the outer diameter of the water pipe 6 and the outer diameter of the cooling water pipe assembly 10. After the cooling water pipe assembly 10 is filled with water and radiates heat, each layer of cooling water pipe of the cooling water pipe assembly 10 can be filled with micro-expansion cement slurry.
The water inlet temperature sensor 23 may be disposed in front of the water inlet 7, and the cooling water reaches the water inlet 7 after passing through the water inlet temperature sensor 23 and then enters the cooling water pipe assembly 10. The water outlet temperature sensor 24 is disposed behind the water outlet 8, and the cooling water is discharged from the outlet of the cooling water pipe assembly 10 to the water outlet 8 and then passes through the water outlet temperature sensor 24.
In some embodiments, each layer of cooling water pipe of the cooling water pipe assembly 10 is respectively provided with a temperature control actuator 101, and the temperature control actuators 101 can control the cooling water flow rate corresponding to one layer of cooling water pipe by adjusting the opening, so that the cooling efficiency of each layer of cooling water pipe is changed, the temperature difference of different positions inside the mass concrete 3 can be reduced, the temperature is uniform, and the problems of structural deformation, cracks and the like caused by uneven temperature inside the mass concrete 3 are avoided.
In some embodiments, the location of each internal temperature sensor 21 corresponds to the location of the multi-layer cooling water tubes of the cooling water tube assembly 10, respectively. Each layer of cooling water pipe is provided with a plurality of internal temperature measuring sensors 21 corresponding to the positions. The internal temperature sensor 21 can detect the temperature of the position of each layer of cooling water pipe. The cooling water pipe and the corresponding internal temperature sensor 21 may be arranged at the same height position. The internal temperature sensor 21 may be close to the cooling water pipe or spaced apart from the cooling water pipe. The temperature control system platform 1 is used for sending a control instruction to the temperature control actuator 101 on the cooling water pipe corresponding to one layer of the internal temperature measurement sensor 21 when the temperature data of one internal temperature measurement sensor 21 exceeds the parameters, and controlling the flow of cooling water corresponding to one layer of the cooling water pipe, so as to control the temperature of the mass concrete 3 at the position of the layer.
In some embodiments, as shown in fig. 2, temperature control system platform 1 includes a temperature control terminal 11 and a processing module 12. The temperature control terminal 11 is used for performing data monitoring, data acquisition, data storage and parameter setting, and each internal temperature measurement sensor 21, each external temperature measurement sensor 22, each water inlet temperature sensor 23 and each water outlet temperature sensor 24 are respectively and electrically connected with the temperature control terminal 11, and send detected temperature signals to the temperature control terminal 11. The temperature control terminal 11 can be combined with an artificial intelligent algorithm to realize functions of real-time monitoring, data acquisition, data storage, parameter setting and the like.
The temperature control terminal 11 collects temperature signals of each temperature sensor 2, performs data processing on each temperature signal, generates temperature data, and monitors and stores the temperature data in real time. Parameters for processing temperature data can be set by the temperature control terminal 11. The temperature control terminal 11 transmits each temperature data and each parameter to the processing module 12. Specifically, the temperature control terminal 11 may include a data acquisition unit, a data storage unit, a data transmission unit, and the like. The processing module 12 is configured to send a control instruction to the temperature control terminal 11 based on the temperature data and the parameter, and the temperature control terminal 11 issues the control instruction to the temperature control actuator 101 and the system water pump 5.
In some embodiments, as shown in fig. 2, the processing module 12 includes an intelligent control module 121, where the intelligent control module 121 is configured to send a control instruction for controlling the temperature control actuator 101 to adjust the opening degree when the temperature data of the internal temperature measurement sensor 21 exceeds the judgment condition.
The temperature control terminal 11 transmits the temperature data of each internal temperature measurement sensor 21 to the intelligent control module 121, and when a certain temperature data exceeds the judgment condition of the intelligent control module 121, the intelligent control module 121 judges that the temperature data is abnormal. The judgment condition of the intelligent control module 121 may be a specific parameter or a calculation formula, etc. In one example, the intelligent control module 121 sends a control instruction for controlling the temperature control actuator 101 to increase the opening degree when the at least one temperature data exceeds 65 ℃, so as to increase the cooling water flow rate of the cooling water pipe assembly 10 and improve the cooling efficiency. In another example, when the intelligent control module 121 calculates that the difference between a certain temperature data and other certain temperature data exceeds 15 ℃, it sends a control command for controlling the temperature control actuator 101 to increase the opening degree, and increases the flow rate of the cooling water in the cooling water pipe assembly 10.
In some embodiments, as shown in fig. 2, the processing module 12 includes a temperature difference sensing module 122, where the temperature difference sensing module 122 is configured to calculate a difference D1 between temperature data of the internal temperature sensor 21 and temperature data of the external temperature sensor 22, and send a control instruction for controlling the system water pump 5 to be started when the difference D1 is determined to be greater than the parameter, and send a control instruction for controlling the system water pump 5 to be turned off when the difference D1 is determined to be less than the parameter.
Specifically, the temperature control terminal 11 transmits the temperature data of all the internal temperature sensors 21 and the temperature data of all the external temperature sensors 22 to the temperature difference sensing module 122. The temperature difference sensing module 122 calculates a difference D1 of temperature data between any one of the internal temperature sensors 21 and any one of the external temperature sensors 22, and can obtain a plurality of differences D1. In one example, when the temperature difference sensing module 122 determines that at least one of the plurality of difference values D1 is greater than 15 ℃, a control command is sent to control the system water pump 5 to start. In one example, when the temperature difference sensing module 122 determines that all the differences D1 are less than 15 ℃, a control command is sent to control the system water pump 5 to turn off. The above examples are not to be taken as limiting the invention.
In some embodiments, as shown in fig. 2, the processing module 12 further includes a temperature sensing module 123, where the temperature sensing module 123 is configured to send a control instruction for controlling the system water pump 5 to be started when the temperature data of the internal temperature sensor 21 is determined to be greater than the parameter, and send a control instruction for controlling the system water pump 5 to be turned off when the temperature data of the internal temperature sensor 21 is determined to be less than the parameter.
Specifically, the temperature control terminal 11 transmits the temperature data of all the internal temperature measurement sensors 21 to the temperature sensing module 123. In one example, the temperature sensing module 123 sends a control command to control the system water pump 5 to start when it is determined that the temperature data of the at least one internal temperature sensor 21 is greater than 65 ℃; when the temperature sensing module 123 judges that the temperature data of all the internal temperature measuring sensors 21 are smaller than 65 ℃, a control instruction for controlling the system water pump 5 to be turned off is sent. The above examples are not to be taken as limiting the invention.
In some embodiments, as shown in fig. 2, the processing module 12 further includes a heat sensing module 124, where the heat sensing module 124 is configured to calculate a difference D2 between the temperature data of the water inlet temperature sensor 23 and the temperature data of the water outlet temperature sensor 24, and calculate the heat of the water according to the difference D2 and the engineering actual parameters. Specifically, the processing module 12 sends the temperature data of the water inlet temperature sensor 23 and the temperature data of the water outlet temperature sensor 24 to the heat sensing module 124.
The temperature difference sensing module 122 and the temperature sensing module 123 can independently send control instructions to control the opening and closing of the system water pump 5, meanwhile, the intelligent control module 121 controls the temperature control actuator 101 of a certain layer of cooling water pipe to adjust the opening, rapid cooling is achieved, and temperature data gradually tend to be stable. The temperature control system platform 1 can also be provided with a display area for displaying temperature data, working processes and the like, and further, the temperature control system platform 1 can also be provided with an operation area, and parameters can be input into the operation area. The temperature control system platform 1 can display all temperature data in real time through a display area, and the difference D1, the difference D2, the heat of water and the like sent by the processing module 12 are monitored by monitoring personnel to monitor temperature change and temperature difference so as to guide construction on site.
In some embodiments, as shown in fig. 2, the temperature control system platform 1 further includes a warning device 13, where the warning device 13 may be a buzzer, a warning light, a voice device, or the like. The warning device 13 is triggered when the temperature data of at least one internal temperature sensor 21 exceeds the parameter, and the warning device 13 is triggered when the difference D1 between the temperature data of the internal temperature sensor 21 and the temperature data of the external temperature sensor 22 is greater than the parameter.
Specifically, the temperature difference sensing module 122 calculates a difference D1 between the temperature data of the internal temperature sensor 21 and the temperature data of the external temperature sensor 22, and when one difference D1 is greater than a parameter, sends a control command for controlling the alarm device 13 to be turned on. When the temperature sensing module 123 determines that the temperature data of one of the internal temperature measuring sensors 21 is greater than the parameter, a control command for controlling the alarm device 13 to be turned on is sent.
In one example, the warning device 13 employs a buzzer that is electrically connected to the temperature control terminal 11. When the temperature difference sensing module 122 judges that one of the difference values D1 is greater than 15 ℃, a control instruction for controlling the buzzer to start is sent to the temperature control terminal 11, and the temperature control terminal 11 sends the control instruction to the buzzer. When the temperature sensing module 123 judges that the temperature data of one internal temperature measuring sensor 21 is higher than 65 ℃, a control instruction for controlling the starting of the buzzer is sent to the temperature control terminal 11, and the temperature control terminal 11 sends the control instruction to the buzzer.
In some embodiments, as shown in fig. 2, the temperature control system platform 1 further includes a power battery 14 for supplying power, where the power battery 14 is connected to the temperature control terminal 11, and continuously supplies power to the temperature control terminal 11, and the temperature control terminal 11 can collect temperature signals in real time, and monitor temperature data in real time. Or the temperature control system platform 1 can also be connected with an external power supply to supply power through the external power supply.
In some embodiments, as shown in fig. 3, the circulation cooling device 9 includes a tank, and the circulation cooling device 9 further includes a radiator 92, a water inlet passage 91, a water outlet passage 99, a spray system 93, a water collector 94, a water storage tank 95, an internal pipe 96, and a circulation water pump 96, which are disposed in the tank.
The water inlet passage 91 is connected to one end of the radiator 92, and is connected to the outlet of the cooling water pipe assembly 10 through the water pipe 6. The water outlet passage 99 is connected to the other end of the radiator 92 and is connected to the system water tank 4 through the water pipe 6. The water inlet channel 91 and the water outlet channel 99 may be water pipes penetrating through the box body or openings formed on the box body. The radiator 92 is for radiating the cooling water, and the radiator 92 may be constituted by a water pipe. The cooling water discharged from the cooling water pipe assembly 10 enters the radiator 92 through the water delivery pipe 6 and the water inlet channel 91 for heat dissipation and temperature reduction, and then is delivered into the system water tank 4 through the water outlet channel 99 and the water delivery pipe 6.
The spray system 93 is disposed at the upper end of the radiator 92, and the water collector 94 is connected to the spray system 93. A reservoir 95 is provided at the lower end of the radiator 92. The circulating water pump 97 is connected between the reservoir 95 and the water collector 94 through an internal pipe 96. The circulating water pump 97 pumps water in the reservoir 95 through the internal pipe 96 to the water collector 94, and the water in the water collector 94 is transported to the shower system 93. The shower system 93 has a plurality of water jets, and sprays water to the radiator 92 downward to accelerate the heat dissipation of the radiator 92.
The spray water sprayed by the spray system 93 can accelerate the heat dissipation speed of the radiator 92 and quickly reduce the temperature of the cooling water in the radiator 92. The spray water can fall into the water storage tank 95 below after passing through the radiator 92, so that the water resource can be recycled. The tank body can be provided with a water filling port for supplementing water source to the water storage tank 95, and the water in the water storage tank 95 is timely supplemented after being consumed.
A vent 98 may be provided in the housing for venting air into the housing. The vents 98 may be disposed about the lower portion of the enclosure below the level of the heat sink 92. The top of the box body can be provided with an opening for air outlet. The vent 98 may be fitted with a shutter. The shutter can make the even entering box of external wind, leaves from the box top after the radiator 92, makes the shower water of spraying system 93 spun not splash outward to can accelerate the radiator 92 heat dissipation, realize quick cooling.
In some embodiments, the reservoir 95 may be 316 stainless steel and both the water collector 94 and the shower system 93 may be PVC. The shape of the box body of the circulating cooling device 9 can be square, and the volume can be 1-5m 3.
In some embodiments, multiple layers of inner side points are arranged in the height direction inside the mass concrete 3, each layer of inner side points comprises a plurality of inner side points which are arranged at intervals in the horizontal direction, and the inner temperature measuring sensors 21 are distributed at the inner side points. Each inner side point is provided with an inner temperature sensor 21, respectively. The surface of the mass concrete 3 is provided with external measuring points which are distributed at intervals, and the external temperature measuring sensors 22 are distributed at the external points. Each outer side point is provided with an external temperature sensor 22, respectively.
In one example, the internal temperature measuring sensor 21 adopts horizontal block division and vertical layered arrangement, the mass concrete 3 is divided into 4-6 equal blocks along the horizontal direction, each block is provided with 2-3 internal measuring points, and the horizontal distance between each internal measuring point is 3-5m; the large-volume concrete 3 is provided with 3-5 measuring points along the vertical direction, the uppermost inner measuring point is 10-300 mm away from the upper surface of the large-volume concrete 3, the lowermost inner measuring point is 10-300 mm away from the lower surface of the large-volume concrete 3, and the rest inner measuring points are symmetrically arranged along the central position of the large-volume concrete 3. The outer measuring points are uniformly distributed along the surface of the mass concrete 3 and are distributed in a central symmetry manner. Two external measuring points can be arranged, and the two external measuring points are uniformly and centrally symmetrically distributed on the surface of the mass concrete 3.
The multi-layer cooling water pipe of the cooling water pipe assembly 10 can be uniformly coiled in an S-shaped, spiral-shaped or other mode, so that the contact area with the mass concrete 3 is increased.
In some embodiments, as shown in fig. 4, the cooling water pipes of the cooling water pipe assembly 10 are arranged in the height direction, each layer of cooling water pipe is spirally wound in the horizontal direction, and the centers of the spiral cooling water pipes of each layer are located on a center line along which the mass concrete 3 vertically extends.
In one embodiment, the cooling water first flows toward the center of the helical cooling water pipe and then flows outwardly from the center along the helical cooling water pipe. The cooling water is at the in-process temperature that flows along condenser tube rise gradually, and the cooling effect descends gradually, and the cooling water flows from inside to outside along spiral condenser tube, and the first central point that is higher to bulky concrete 3 temperature puts the cooling, and the cooling effect is better, avoids bulky concrete 3 central point to put the high temperature.
In some embodiments, as shown in fig. 5, the cooling water pipes of the cooling water pipe assembly 10 are arranged along the height direction, each layer of cooling water pipe comprises two cooling water pipes spirally wound in the horizontal direction, and the cooling water flow directions in the two cooling water pipes are opposite, so that the interior of the mass concrete 3 can be uniformly cooled, and the temperature difference of the mass concrete 3 at the position of the cooling water pipe of the layer is reduced. The two cooling water pipes of each layer of cooling water pipes can be arranged up and down.
In detail, when each layer of cooling water pipes includes two cooling water pipes, the two cooling water pipes may be connected to the same temperature control actuator 101 to synchronously adjust the flow rate. Or the two cooling water pipes can be respectively connected with different temperature control actuators 101 to respectively perform flow adjustment.
The number of layers of cooling water pipes can be determined according to the height of the mass of concrete 3, and the number of spiral turns can be determined according to the width of the mass of concrete 3. The cooling water pipes of each layer of the cooling water pipe assembly 10 can be plastic coated steel pipes. The plastic-coated steel pipes can be connected by using rubber pipes to prevent pipe blockage and water leakage. For example, the cooling water pipes are provided with 2-4 layers and are symmetrically arranged along the vertical center, the distance between each layer is 200-400 mm, the layers are spirally arranged, and the number of spiral turns can be 3-6.
The invention also provides a construction method of the intelligent mass concrete temperature control system in the embodiment, as shown in fig. 6, comprising the following technical steps:
Step one: preparation for construction
Cushion construction, reinforcement bar binding, embedded part installation, template installation and other preparation work are carried out, and reserved holes for arranging the cooling water pipe assembly 10 are arranged on the template.
The reserved holes are consistent with the outer diameter of the cooling water pipe assembly 10. And ensuring that all reserved ribs and the steel bar embedded parts are constructed after checking according to the drawing requirements.
Step two: the cooling water pipe assembly is buried
The cooling water pipe assembly 10 is provided with a plurality of layers of cooling water pipes, and the cooling water pipe assembly 10 is provided with a temperature control actuator 101, so that a water-through test can be performed on the cooling water pipe assembly 10.
Specifically, the cooling water pipes of the cooling water pipe assembly 10 are arranged in advance before concrete pouring, and the cooling water pipes are limited by being clung to adjacent steel bars during arrangement, so that the positions of the cooling water pipes are not changed during concrete pouring. Temperature control actuators 101 are provided on the multi-layered cooling water pipes of the cooling water pipe assembly 10, respectively.
Step three: temperature control system layout
The system water tank 4, the system water pump 5 and the cooling water pipe assembly 10 are connected through a water pipe 6;
A temperature sensor 2 is arranged, and the temperature control system platform 1 is electrically connected with the temperature sensor 2, a system water pump 5 and a temperature control actuator 101;
the circulating cooling device 9 is arranged, and the circulating cooling device 9 is connected with the cooling water pipe assembly 10 and the system water tank 4 through the water pipe 6 to form a circulating channel.
Step four: concrete pouring
And (3) carrying out mix proportion design on the concrete, selecting raw materials, controlling casting temperature, and casting the concrete layer by layer.
Mix proportion design and raw material selection: under the condition of meeting the design and construction requirements, the consumption of unit cement of the concrete is preferably reduced; the cement adopts composite silicate cement, and the label is 425#; the coarse aggregate is aggregate with small linear expansion coefficient, the stone adopts secondary grading, the maximum grain diameter is 60mm, and the mud content is not more than 1%; fine aggregate: natural river sand is adopted, and the fineness modulus is 2.5-2.9. The average grain diameter is more than 0.5mm, and the mud content is not more than 3%; the high-efficiency water reducing agent is added to reduce the consumption of water and cement, and has good adaptability with cement, and the time for the concrete to reach the highest temperature is prolonged.
And (3) pouring temperature control: the temperature of the materials such as stones, water and the like is reduced, and the temperature of the concrete outlet machine is controlled by adopting a simple sunshade device, spraying cold water to wash aggregate, mixing well water with concrete and the like.
And (3) pouring concrete in layers: the concrete adopts a pouring mode of inclined plane layering, thin layer pouring and continuous pushing.
Step five: concrete cooling
After the concrete is initially set, the temperature control system platform 1 is started, the temperature control system platform 1 receives the temperature signal sent by the temperature sensor 2 and then performs data processing to generate temperature data, and a control instruction is sent to the system water pump 5 and the temperature control actuator 101 based on the temperature data to cool the concrete.
The temperature control terminal 11 of the temperature control system platform 1 combines the functions of real-time monitoring, data acquisition, data storage, parameter setting and the like of an artificial intelligent algorithm, and provides power for the power battery 14 to acquire the temperature signal of the temperature sensor 2 in real time. After the data are analyzed by the algorithm, if the processing module 12 judges that the temperature data of a certain layer and a certain position in the mass concrete 3 exceed the set parameters, the control warning device 13 is controlled to make automatic early warning, and the control command of the processing module 12 is issued to the system water pump 5 and the temperature control actuator 101 through the temperature control terminal 11, the system water pump 5 is controlled to be opened and closed, the opening degree of the temperature control actuator 101 of the cooling water pipe of the layer is adjusted, the rapid cooling is realized, the temperature data are transmitted to the temperature control terminal 11 after the temperature data tend to be stable, and the monitoring personnel can monitor the temperature change and the temperature difference through the temperature control terminal 11 so as to guide the construction on site.
Step six: concrete adjusting and curing
After the concrete pouring is completed, the temperature control system platform 1 sends a control instruction to the temperature control actuator 101 based on the temperature data of the internal temperature sensor 21.
In order to prevent the temperature stress generated by overlarge temperature difference between the inside and the outside of the mass concrete, a moisture preservation and heat preservation method is adopted for maintenance, meanwhile, the temperature control terminal 11 can accurately adjust the opening of the temperature control actuator 101 at a certain position by utilizing the intelligent control module 121 according to the abnormal temperature gradient change condition of each layer inside the mass concrete 3, so that the accurate cooling of the mass concrete 3 is truly realized, the temperature difference between the inner surface of the concrete is not more than 15 ℃, and the maximum temperature rise value inside the concrete is not more than 65 ℃.
Step seven: concrete detection acceptance check
After the concrete curing is finished, relevant detection and acceptance work is carried out, wherein the work comprises slump checking, flatness checking, appearance checking, crack checking temperature observation, template observation and the like, and the next working procedure is carried out after the acceptance is qualified.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. The utility model provides a bulky concrete intelligence temperature control system which characterized in that includes:
The system comprises a temperature control system platform (1), a temperature sensor (2), mass concrete (3), a system water tank (4), a system water pump (5), a water delivery pipe (6), a circulating cooling device (9), a cooling water pipe assembly (10) and a temperature control actuator (101);
The cooling water pipe assembly (10) comprises a plurality of layers of cooling water pipes buried in the mass concrete (3), the system water tank (4) is connected with an inlet of the cooling water pipe assembly (10) through the water pipe (6), the circulating cooling device (9) is connected with an outlet of the cooling water pipe assembly (10) through the water pipe (6), the system water tank (4) and the circulating cooling device (9) are connected through the water pipe (6), the system water pump (5) is connected to the water pipe (6), and the temperature control actuator (101) is arranged on the cooling water pipe assembly (10);
The temperature control system platform (1) is respectively and electrically connected with the temperature sensor (2), the system water pump (5) and the temperature control actuator (101), and the temperature control system platform (1) is configured to receive a temperature signal sent by the temperature sensor (2), process the temperature signal, generate temperature data and send control instructions to the system water pump (5) and the temperature control actuator (101) based on the temperature data;
The temperature sensor (2) comprises a plurality of internal temperature sensors (21) arranged inside the mass concrete (3), a plurality of external temperature sensors (22) arranged outside the mass concrete (3), a water inlet temperature sensor (23) close to the inlet of the cooling water pipe assembly (10) and a water outlet temperature sensor (24) close to the outlet of the cooling water pipe assembly (10).
2. The intelligent temperature control system for mass concrete according to claim 1, wherein,
And each layer of cooling water pipe of the cooling water pipe assembly (10) is respectively provided with a temperature control actuator (101).
3. The intelligent temperature control system for mass concrete according to claim 2, wherein,
The positions of the internal temperature measuring sensors (21) respectively correspond to the positions of the cooling water pipes in multiple layers, and the temperature control system platform (1) is used for sending control instructions to the internal temperature measuring sensors (21) and the temperature control executors (101) on the cooling water pipes corresponding to one layer when the temperature data of one internal temperature measuring sensor (21) exceeds parameters.
4. The intelligent temperature control system for mass concrete according to claim 1, wherein,
The temperature control system platform (1) comprises a temperature control terminal (11) and a processing module (12), wherein the temperature control terminal (11) is used for carrying out data monitoring, data acquisition, data storage and parameter setting, the processing module (12) is used for sending a control instruction to the temperature control terminal (11) based on temperature data and parameters, and the temperature control terminal (11) sends the control instruction to the temperature control actuator (101) and the system water pump (5).
5. The intelligent temperature control system for mass concrete of claim 4, wherein,
The processing module (12) comprises:
The intelligent control module (121) is used for sending a control instruction for controlling the temperature control actuator (101) to adjust the opening degree when the temperature data of the internal temperature measurement sensor (21) exceeds the judging condition;
The temperature difference sensing module (122) is used for calculating a difference value D1 of temperature data of the internal temperature measuring sensor (21) and the external temperature measuring sensor (22), sending a control instruction for controlling the system water pump (5) to start when the difference value D1 is judged to be larger than a parameter, and sending a control instruction for controlling the system water pump (5) to close when the difference value D1 is judged to be smaller than the parameter;
The temperature sensing module (123) is used for sending a control instruction for controlling the system water pump to start when the temperature data of the internal temperature measuring sensor (21) is judged to be larger than the parameter, and sending a control instruction for controlling the system water pump to close when the temperature data of the internal temperature measuring sensor (21) is judged to be smaller than the parameter;
and the heat sensing module (124) is used for calculating a difference value D2 of temperature data of the water inlet temperature sensor (23) and the water outlet temperature sensor (24), and calculating the heat of the water according to the difference value D2 and engineering actual parameters.
6. The intelligent temperature control system for mass concrete of claim 4, wherein,
The temperature control system platform (1) also comprises a warning device (13) and a power battery (14) for supplying power,
Triggering the warning device (13) when the temperature data of at least one internal temperature measuring sensor (21) exceeds a parameter,
The warning device (13) is triggered when the difference D1 between the temperature data of the internal temperature sensor (21) and the temperature data of the external temperature sensor (22) is greater than a parameter.
7. The intelligent temperature control system for mass concrete according to claim 1, wherein,
The circulating cooling device (9) comprises a box body, wherein a ventilation opening (98) is formed in the box body, and the circulating cooling device further comprises a box body:
A heat sink (92);
a water inlet channel (91) connected with one end of the radiator (92) and connected with the outlet of the cooling water pipe assembly (10) through the water pipe (6);
a water outlet channel (99) connected with the other end of the radiator (92) and connected with the system water tank (4) through the water delivery pipe (6);
A spray system (93) provided at the upper end of the radiator (92);
a water collector (94) connected to the spray system (93);
A water storage tank (95) provided at the lower end of the radiator (92);
and a circulating water pump (97) connected between the water storage tank (95) and the water collector (94) through an internal pipe (96).
8. The intelligent temperature control system for mass concrete according to claim 1, wherein,
A plurality of layers of inner side points are arranged in the height direction inside the large-volume concrete (3), each layer of inner side points comprises a plurality of inner side points which are arranged at intervals in the horizontal direction, and the inner temperature measuring sensors (21) are distributed at the inner side points;
The surface of the mass concrete (3) is provided with external measuring points which are distributed at intervals, and the external temperature measuring sensors (22) are distributed at the external measuring points.
9. A high-volume intelligent concrete temperature control system according to any one of claims 1 to 8, wherein,
The cooling water pipes of the cooling water pipe assembly (10) are arranged along the height direction, each layer of cooling water pipe comprises two cooling water pipes spirally coiled in the horizontal direction, and the flowing directions of the cooling water in the two cooling water pipes are opposite.
10. A method of constructing a mass concrete intelligent temperature control system as claimed in any one of claims 1 to 9, comprising the steps of:
Step one: preparation for construction
Carrying out cushion construction, steel bar binding, embedded part installation and template installation, wherein a reserved hole for arranging a cooling water pipe assembly (10) is formed in the template;
Step two: the cooling water pipe assembly is buried
A plurality of layers of cooling water pipes of the cooling water pipe assembly (10) are arranged, and a temperature control actuator (101) is arranged on the cooling water pipe assembly (10);
step three: temperature control system platform layout
The system water tank (4), the system water pump (5) and the cooling water pipe assembly (10) are connected through the water delivery pipe (6);
a temperature sensor (2) is arranged, and the temperature control system platform (1) is electrically connected with the temperature sensor (2), a system water pump (5) and a temperature control actuator (101);
A circulating cooling device (9) is arranged, and the circulating cooling device (9) is connected with a cooling water pipe assembly (10) and a system water tank (4) through a water pipe (6) to form a circulating channel;
Step four: concrete pouring
The concrete is subjected to mix proportion design, raw materials are selected, casting temperature is controlled, and the concrete is cast in layers;
step five: concrete cooling
After the concrete is initially set, starting a temperature control system platform (1), performing data processing after the temperature control system platform (1) receives a temperature signal sent by a temperature sensor (2), generating temperature data, and sending a control instruction to a system water pump (5) and a temperature control actuator (101) based on the temperature data to cool the concrete;
Step six: concrete adjusting and curing
After the concrete pouring is finished, the temperature control system platform (1) sends a control instruction to the temperature control actuator (101) based on temperature data of the internal temperature measuring sensor (21);
step seven: and (5) detecting and checking concrete.
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