CN115890886A - Intelligent precast beam health preserving method and system - Google Patents

Intelligent precast beam health preserving method and system Download PDF

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Publication number
CN115890886A
CN115890886A CN202211418443.3A CN202211418443A CN115890886A CN 115890886 A CN115890886 A CN 115890886A CN 202211418443 A CN202211418443 A CN 202211418443A CN 115890886 A CN115890886 A CN 115890886A
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temperature
kiln
precast beam
humidity
water
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陈新准
郑晓银
黄海
李娜
刘新雅
邱国财
黄丰茹
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Guangzhou Aokun Technology Co ltd
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Guangzhou Aokun Technology Co ltd
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Abstract

The invention provides an intelligent precast beam health preserving method and a system thereof, wherein the intelligent precast beam health preserving method comprises the following steps: in the steps S4, S5 and S6, the temperature and the humidity in the health-preserving kiln are monitored, the feedback information is used for controlling the start and stop of the hot water atomization module in the health-preserving kiln according to the change of the temperature and the humidity in the health-preserving kiln, so that the temperature and the humidity in the health-preserving kiln are controlled, and the temperature change of uniform temperature rise, constant temperature and uniform temperature drop is ensured. Actual humiture data in the health preserving kiln is gathered through control module real-time reception information acquisition module, start hot water atomization module according to actual humiture data, carry out in time the accuse to the humiture in the health preserving kiln, control module carries out timely record to the humiture in the health preserving kiln at the health preserving in-process, guarantee the quality of health preserving kiln, it can follow to accomplish that there is problem precast beam in the health preserving kiln to have a trace, be favorable to carrying out the analysis summary to the reason that damages the precast beam, improve health preserving efficiency.

Description

Intelligent precast beam health preserving method and system
Technical Field
The invention belongs to the technical field of precast beam health maintenance, and particularly relates to an intelligent precast beam health maintenance method and system.
Background
With the rapid development of traffic roads and bridge infrastructures, higher requirements are put forward on the quality and the quantity of precast beams. The traditional spraying health-preserving mode is mainly carried out by adopting a manual watering or simple combination spraying control mode of a time relay and a switch assembly. Due to the influence of responsibility consciousness and working attitude of operators, the mode often causes untimely maintenance or missed maintenance, so that cracks are easily generated on the surface of the concrete, and the common problems of insufficient strength and the like are caused. In addition, the method also has the problems of low mechanization degree, slow project progress, high energy consumption and the like. As the existing stage does not have the forming specification about the spraying and curing process and the process information is recorded incompletely, the precast beam with problems can be recycled without rules, and great potential safety hazards are brought to the construction of infrastructure. Therefore, an intelligent precast beam curing method and an intelligent precast beam curing system are provided, and the problems are solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an intelligent precast beam health preserving method and system, which adopt an intelligent health preserving mode of solar energy, air energy and health preserving room temperature and humidity control, thereby mastering a scientific and reasonable health preserving process.
One embodiment of the invention provides an intelligent precast beam health preserving method, which comprises the following steps:
step S1: setting preset values of the temperature and the humidity in the curing kiln according to requirements of the prefabricated Liang Yangsheng;
step S2: monitoring the temperature and humidity in the curing kiln and the temperature outside the curing kiln;
and step S3: hydrating the precast beam, and curing the precast Liang Fangru in a kiln;
and step S4: spraying hot water mist into the curing kiln, and controlling the temperature in the curing kiln to rise at a constant speed so as to preliminarily shape the precast beam;
step S5: keeping the temperature in the curing kiln constant, and keeping a certain environment humidity to further shape the precast beam;
step S6: after the precast beam is shaped, collecting the indoor and outdoor temperature and the indoor humidity again, and controlling the temperature in the curing kiln to enable the temperature in the curing kiln to decrease at a constant speed to reach a certain numerical value within the range of +/-5 ℃ of the outdoor environment temperature;
step S7: and taking out the precast beam after standing for a preset time.
In one embodiment, in steps S4, S5, and S6, the temperature and humidity in the curing kiln are monitored, and the start and stop of the hot water atomization module in the curing kiln are controlled according to the change of the temperature and humidity in the curing kiln by using the feedback information, so that the control of the temperature and humidity in the curing kiln is realized, and the temperature and humidity in the curing kiln are ensured to be changed from constant-speed temperature rise, constant-temperature rise, and constant-speed temperature drop.
In one embodiment, the implementation of the control on the temperature and humidity in the curing kiln comprises the following steps:
step S801: heating cold water through a hot water atomization module to enable the temperature of the water to reach a fixed temperature, wherein the fixed temperature is higher than a preset value, and conveying the heated hot water into a water mixing tank;
step S802: the sensor monitors the temperature of water in the water mixing tank, and cold water and hot water are added for regulation so as to reach the preset value of temperature and humidity;
step S803: the adjusted warm water is sprayed into the curing kiln through the spray head so as to ensure that the temperature and humidity in the curing kiln reach preset values.
In one of the embodiments, the first and second parts of the device,
in the step S2, the temperature and the humidity in the curing kiln are monitored through a temperature and humidity sensor, and the environment temperature outside the curing kiln is monitored through a thermometer.
In one embodiment, in the step S3, the temperature of the precast beam body is between 40 ℃ and 80 ℃ when the precast beam is transferred to the interior of the curing kiln.
In one embodiment, in steps S4 and S6, the rate of constant temperature rise in the kiln is set as k Lifting of wine The speed of uniform temperature reduction in the curing kiln is k Lower the main body
k Lifting of wine The value range of the (A) is between 8 ℃/h and 10 ℃/h;
|k descend The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h.
In one embodiment, in steps S4 and S6, k Lifting of wine The value range of (1) is between 8 ℃/h and 10 ℃/h, | k Descend The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h, so that the temperature in the curing kiln is uniformly increased to between 55 ℃ and 65 ℃, or the temperature in the curing kiln is uniformly decreased, the temperature in the curing kiln is the standard temperature, and the temperature difference between the warm water mist and the precast beam body is between minus 5 ℃ and plus or minus 20 ℃.
In one embodiment, in step S5, the constant temperature in the curing kiln is between 55 ℃ and 65 ℃, and the ambient humidity is between 85% and 95%.
An embodiment of the present invention further provides an intelligent precast beam curing system, configured to perform the intelligent precast beam curing method according to any one of the above embodiments, including:
a curing kiln;
the control module is used for monitoring and controlling the actual temperature and humidity data in the curing kiln;
the information acquisition module is used for acquiring actual temperature and humidity data, outdoor temperature and precast beam surface temperature data in the curing kiln and feeding the acquired data back to the control module;
and the control module monitors and timely adjusts the water temperature in the hot water atomization module according to the actual temperature and humidity data fed back by the information acquisition module, and the hot water atomization module adjusts the hot water to a preset value and then atomizes the hot water to change the temperature and humidity in the curing kiln and the surface temperature of the precast beam, so that the temperature and humidity in the curing kiln are changed from constant temperature rise, constant temperature and constant temperature drop.
In one embodiment, a heating assembly is arranged in the ground or the wall in the curing kiln, and a heat dissipation fan is arranged in the curing kiln.
In one embodiment, the control module comprises:
a touch screen;
and the controller is connected with the touch screen and is used for receiving the temperature and humidity in the curing kiln, the surface temperature of the precast beam and the temperature of hot water in the hot water atomization module, which are acquired by the information acquisition module, and controlling the hot water atomization module.
In one embodiment, the controller comprises:
the A/D unit is used for receiving the actual temperature and humidity data in the curing kiln, the outdoor temperature data and the surface temperature of the precast beam, which are acquired by the information acquisition module, and feeding the acquired data back to the touch screen for display;
the I/O unit outputs a signal to control the start and stop of the hot water atomization module according to the data collected by the A/D unit and an instruction generated by manually touching the touch screen, so as to regulate the temperature and humidity in the health-preserving kiln;
and the communication unit is internally provided with a GPRS wireless module and ensures that the control module carries out remote data communication.
In one embodiment, the information acquisition module comprises:
the temperature and humidity sensor is arranged in the health-preserving kiln and used for monitoring the temperature and humidity in the health-preserving kiln and transmitting detected actual temperature and humidity data to the A/D unit;
the thermometer is arranged outside the curing kiln and used for monitoring the environmental temperature and transmitting the detected environmental temperature data to the A/D unit;
and the temperature sensor is fixed on the surface of the precast beam and used for monitoring the surface temperature of the precast beam and transmitting the detected temperature data to the A/D unit.
In one embodiment, the hot water atomization module includes:
the heating unit is used for heating cold water to enable the temperature of the water to reach a fixed temperature;
the hot water in the heating unit is conveyed into the water mixing unit, the temperature of the hot water conveyed by the heating unit is monitored through the controller, and cold water or hot water is added for regulation so as to reach a preset temperature;
and the atomizing unit is used for spraying the mixed warm water into the curing kiln.
In one embodiment, the heating unit includes:
solar energy for heating cold water;
the air source heat pump is used for carrying out secondary heating on water in the solar energy to reach a preset temperature;
the heated hot water is conveyed into the water mixing unit.
In one embodiment, the mixing unit comprises:
the water mixing tank is used for receiving the hot water heated by the heating unit and mixing the hot water and the cold water in the water mixing tank through the controller so as to reach a preset temperature;
and the sensor is arranged in the water mixing tank and used for monitoring the water temperature in the water mixing tank in real time and transmitting temperature data to the A/D unit.
In one embodiment, the water mixing tank is connected with a hot water pipe, a cold water pipe and a water supply pipe, switch assemblies are arranged on the hot water pipe, the cold water pipe and the water supply pipe, the switch assemblies are controlled by an I/O unit, the hot water pipe is connected with the heating unit, the water supply pipe is connected with the atomizing unit, and heated water is conveyed into the atomizing unit for atomization.
In one embodiment, the atomizing unit includes:
the high-pressure spraying main machine is used for pressurizing water output from the water mixing tank and controlling the water through the I/O unit;
the nozzle, the nozzle pass through high-pressure line with the high pressure spraying host computer links to each other for atomize water, the nozzle is installed in the health preserving kiln, and quantity through controlling the nozzle and opening also can be controlled the humiture in the health preserving kiln.
The precast beam curing method or system provided by the embodiment has the following beneficial effects:
1. the control module receives actual humiture data in the health preserving kiln is gathered to the information acquisition module in real time to according to the humiture default in the preset health preserving kiln, control hot water atomization module realizes in time controlling the humiture in the health preserving kiln. Control module carries out data acquisition and historical data record in the twinkling of an eye to the humiture in the health preserving kiln at the health preserving in-process, realizes the accuracy of the inside humiture of health preserving kiln to the accuse, promoted the quality of health preserving kiln by a wide margin, still can carry out the analysis to the humiture data in the health preserving kiln simultaneously when the precast beam goes wrong, be favorable to summarizing the reason of damaging the precast beam, effectively reduce the probability that the precast beam goes wrong at later stage health preserving in-process, improve health preserving quality and efficiency.
2. In the curing process of the curing kiln, regular temperature change of uniform temperature rise, constant temperature and uniform temperature drop is adopted, compared with the traditional curing mode that a manual watering or simple combined spraying control mode of a relay and a switch assembly is adopted, the controllability is higher, the adaptability of the precast beam in the curing process is enhanced on the premise of ensuring the curing of the precast beam, and the problem of the precast beam in the curing process is reduced.
3. The heating unit can adopt an air source heat pump or solar energy for heating alone, and also can adopt a mode of combining the air source heat pump with the solar energy. Compared with the traditional electric heating or boiler heating mode, the solar energy is utilized to effectively save energy consumption and reduce the generation of pollutants. The air source heat pump can effectively save resources, and meanwhile, the problem that the preset value cannot be achieved by solar heating alone in cloudy days or rainy days can be effectively solved by matching with solar heating.
4. The water mixing unit is arranged, so that hot water in the solar module is buffered to a certain extent, and the influence of overhigh temperature of the hot water in the solar module on the quality of the precast beam can be avoided. Meanwhile, the temperature of water in the water mixing unit is monitored through a sensor, the temperature of water mist generated after the atomization unit atomizes is guaranteed, the temperature and the humidity in the curing process of the precast beam are reached, the temperature and the humidity in the curing kiln are guaranteed, warm water is changed from a liquid state to a gas state through the atomization unit, the humidity in the air is increased, meanwhile, the temperature in the environment is increased, the heating and humidifying purposes are achieved, the humidifying is uniform, water vapor can be uniformly distributed in the air, the humidifying is quick, the energy-saving effect is good, the temperature and the humidity of the environment in the curing process of the precast beam are guaranteed, the control module monitors the heating unit, the water mixing unit and the atomization unit, the water temperature is timely regulated and controlled, the controllability of the curing process of the precast beam is enhanced, a full-automatic loop intelligent heating and humidifying system is formed, and the temperature/humidity precise control is realized.
5. The control module monitors and adjusts temperature and humidity changes in the health-preserving kiln through actual temperature and humidity data in the health-preserving kiln fed back by the information acquisition module and the hot water atomization module, so that the temperature and humidity in the health-preserving kiln are in a temperature change process of uniform temperature rise, constant temperature and uniform temperature reduction, and the adaptability of the precast beam is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an intelligent precast beam curing method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of the control module in FIG. 1 for controlling the temperature in the curing kiln;
FIG. 3 is a schematic flow chart of temperature and humidity control in the curing kiln shown in FIG. 2;
FIG. 4 is a diagram showing the temperature and time variation state of the temperature in the curing kiln during the processes of temperature rise, constant temperature and temperature drop;
FIG. 5 is a logic block diagram of the intelligent precast beam curing method of the present invention;
fig. 6 is a schematic block diagram of an intelligent precast beam curing system according to another embodiment of the present invention;
FIG. 7 is a schematic view of the internal structure of the curing kiln of the present invention;
FIG. 8 is a schematic diagram of the control module of FIG. 6;
FIG. 9 is a schematic view of the heating unit of FIG. 6;
fig. 10 is a schematic structural view of the water mixing unit in fig. 6;
FIG. 11 is a schematic diagram of the atomization unit of FIG. 6;
in the figure: 100. a curing kiln; 101. a fan; 102. a heating component;
110. a control module; 111. a touch screen; 112. a controller; 1121. an A/D unit; 1122. an I/O unit; 1123. a communication unit;
120. an information acquisition module; 121. a temperature and humidity sensor; 122. a thermometer; 123. a temperature sensor;
130. a hot water atomization module; 131. a heating unit; 1311. solar energy; 1312. an air source heat pump;
132. a water mixing unit; 1321. a water mixing tank; 1322. a sensor; 1323. a hot water pipe; 1324. a cold water pipe; 1325. a water supply pipe;
133. an atomizing unit; 1331. a high-pressure spraying main machine; 1332. and (4) a nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an intelligent precast beam curing method, including:
step S1: setting preset values of temperature and humidity in the curing kiln 100 according to requirements of prefabrication Liang Yangsheng;
step S2: monitoring the temperature and humidity in the curing kiln 100 and the temperature outside the curing kiln 100;
and step S3: hydrating the precast beam, and putting the precast Liang Fangru in the curing kiln 100;
and step S4: spraying hot water mist into the curing kiln 100, and controlling the temperature in the curing kiln 100 to rise at a constant speed so as to initially shape the precast beam;
step S5: keeping the temperature in the curing kiln 100 constant, and keeping a certain environmental humidity to further shape the precast beam;
step S6: after the precast beam is shaped, collecting the indoor and outdoor temperature and the indoor humidity again, and controlling the temperature in the curing kiln 100 to enable the temperature in the curing kiln 100 to decrease at a constant speed to reach a certain numerical value within the range of the outdoor environment temperature +/-5 ℃;
step S7: and taking out the precast beam after standing for a preset time.
In the intelligent precast beam health preserving method provided by the above embodiment, the temperature and humidity preset values in the health preserving kiln 100 are preset, the control module 110 receives the actual temperature and humidity data in the health preserving kiln 100 collected by the information collecting module 120 in real time, the hot water atomizing module 130 is started according to the actual temperature and humidity data, the temperature and humidity in the health preserving kiln 100 are timely controlled, the control module 110 timely records the temperature and humidity in the health preserving kiln 100 in the health preserving process, the control on the temperature and humidity in the health preserving kiln 100 is enhanced, the quality of the health preserving kiln 100 is ensured, defective precast beams in the health preserving kiln 100 can be traced, the reason for damaging the precast beams is favorably analyzed and summarized, the quality problems of the precast beams in the health preserving process are reduced, and the health preserving efficiency is improved;
meanwhile, the temperature and humidity in the precast beam are controlled through the control module 110, and in the curing process of the curing kiln 100, uniform temperature rise, constant temperature and uniform temperature reduction are adopted, and regular temperature change is achieved;
according to the concrete setting and hardening principle, the damp and hot curing is divided into four stages of standing (namely step S3 carries out outdoor pre-curing on the precast beam), heating (namely step S4 controls the temperature in the curing kiln 100 to rise at a constant speed), keeping constant temperature (namely step S5 keeps the ambient temperature constant), and cooling (namely step S6 controls the temperature in the curing kiln 100 to fall at a constant speed to an outdoor temperature environment); in step S7, the preset time is set to range from 1 hour to 2 hours, and in step S1, the preset values of the temperature and the humidity in the curing kiln 100 are as follows: the temperature is between 50 and 65 ℃, and the humidity is between 90 and 98 percent.
Referring to fig. 2, in one embodiment, in steps S4, S5, and S6, the temperature and the humidity in the curing kiln 100 are monitored, and the start and stop of the hot water atomization module 130 in the curing kiln 100 are controlled according to the change of the temperature and the humidity in the curing kiln 100 by using the feedback information, so as to control the temperature and the humidity in the curing kiln 100, and ensure that the temperature and the humidity in the curing kiln 100 are changed from constant temperature rise, constant temperature, and constant temperature drop.
In this embodiment, carry out real time monitoring through information acquisition module 120 to the humiture in the health preserving kiln 100, and with data feedback to control module 110 in, through information acquisition module 120, guarantee that the humiture in the health preserving kiln 100 reaches the default all the time, guarantee the quality of precast beam, monitor and adjust the temperature of hot water atomization module 130 water-logging through the control unit, guarantee the temperature that the shower nozzle atomized little fog, guarantee the humiture in the health preserving kiln 100, improve the controllability of precast beam humiture change in health preserving kiln 100 in the health preserving process, guarantee the quality of precast beam health preserving.
Referring to fig. 3, in one embodiment, the implementation of controlling the temperature and humidity inside the curing kiln 100 includes the following steps:
step S801: the hot water atomization module 130 heats the cold water to make the temperature of the water reach a fixed temperature, wherein the fixed temperature is higher than a preset value, and the heated hot water is conveyed into the water mixing tank 1321;
step S802: the sensor 1322 monitors the temperature of the water in the water mixing tank 1321, and adds cold water and hot water for adjustment so as to reach a preset value of temperature and humidity;
step S803: the adjusted warm water is sprayed into the curing kiln 100 through the spray head so as to ensure that the temperature and the humidity in the curing kiln 100 reach preset values.
In this embodiment, the humiture in the curing kiln 100 is monitored in real time through the information acquisition module 120, and data is fed back to the control module 110, through the information acquisition module 120, it is ensured that the humiture in the curing kiln 100 always reaches a preset value, and the quality of the precast beam is ensured, the temperature of water in the hot water atomization module 130 is monitored and adjusted through the control unit, the temperature of micro mist atomized by the spray head is ensured, the humiture in the curing kiln 100 is ensured, the temperature is increased, the heating and humidifying purpose is achieved, the humidification is uniform, the water vapor can be uniformly distributed in the air, the humidification is faster, the energy-saving effect is good, a full-automatic loop intelligent heating and humidifying system is formed by the external temperature and humidity sensor 121, the precise control of temperature and humidity at different points is realized, the high-pressure residual water backflow technology is matched with the nozzle 1332, and the water is prevented from dripping and uniform in the shutdown state, the humiture of the precast beam in the curing process and the environment is ensured, and the quality of the precast beam can be timely regulated and controlled according to the environmental temperature.
In one of the embodiments, the first and second electrodes are,
in step S2, the temperature and humidity inside the curing kiln 100 are monitored by the temperature and humidity sensor 121, and the ambient temperature outside the curing kiln 100 is monitored by the thermometer 122.
In this embodiment, carry out real time monitoring to the inside temperature of health preserving kiln 100 through temperature and humidity sensor 121, guarantee the health preserving environment of precast beam, avoid the too big influence precast beam quality of temperature variation.
In one embodiment, in step S3, the temperature of the precast beam body is between 40 ℃ and 80 ℃ when the precast beam is transferred to the interior of the curing kiln 100.
In this embodiment, precast beam is before sending into health preserving kiln 100, and the concrete can carry out the hydration of certain degree, and preliminary shaping for the swelling effect that appears in the warm-up period is resisted, and when getting into the health preserving in health preserving kiln 100, precast beam does not reach initial structural strength, and the temperature intensification leads to its structure to receive the damage easily, constitutes residual deformation promptly when the maintenance finishes, makes the performance of concrete receive the damage.
In one embodiment, in steps S4 and S6, the temperature in the kiln 100 is set to be raised at a constant speed k Lifting of water The speed of uniform temperature reduction in the curing kiln 100 is k Lower the main body
k Lifting of water The value range of the (A) is between 8 ℃/h and 10 ℃/h;
|k lower the main body The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h.
In steps S4 and S6, k Lifting of wine The value range of (a) is between 8 ℃/h and 10 ℃/h, | k Descend The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h, so that the temperature in the curing kiln 100 is uniformly increased to between 55 ℃ and 65 ℃, or the temperature in the curing kiln 100 is uniformly decreased, the temperature in the curing kiln 100 is the standard temperature, and the warm water mist and the prefabricated components are mixedThe temperature difference between the beam bodies is between minus 5 ℃ plus or minus 20 ℃.
In the present embodiment, k Lifting of wine And | k Descend The value range of |, is between 8 ℃/h and 10 ℃/h, the maximum value of uniform temperature rise is set, the control module 110 adjusts the water temperature of the water mixing tank 1321 in the hot water atomization module 130 according to the beam body temperature and the outdoor environment temperature, and the quality problem of the precast beam caused by too fast temperature rise is avoided;
taking the local outdoor environment temperature as a standard, raising the temperature to 55-65 ℃ at a constant speed, wherein the temperature raising speed is 8-10 ℃/h, when the outdoor environment temperature is lower than 30 ℃, the temperature raising time is properly prolonged, and the humidity in the curing kiln 100 needs to be stably increased to 95% in the temperature raising process;
in the temperature rising process, the control module 110 adjusts the water temperature of the water tank in the hot water atomization module 130 according to the beam body temperature and the outdoor environment temperature, the temperature is raised through the atomized gas water temperature generated by atomization spraying of water in the hot water atomization module 130, meanwhile, the PID algorithm is adopted, the temperature rising rate is accurately controlled, the precast beam can be better adapted to the temperature in the health preserving kiln 100 in the temperature rising process, and the quality problem of the precast beam caused by too fast temperature rising is avoided;
in the cooling process, the control module 110 precisely adjusts the temperature according to the temperature of the beam body by adopting an automatic PID algorithm, so that the precast beam can better adapt to the temperature in the curing kiln 100 in the temperature reduction process, and the beam body damage caused by the violent change of the temperature of the precast beam body is prevented.
In one embodiment, in step S5, the constant temperature in the curing kiln 100 is between 55 ℃ and 65 ℃, and the ambient humidity is between 85% and 95%.
In this embodiment, the constant temperature time is estimated to be 8 hours, the constant temperature needs to be 55-65 ℃, and the ambient humidity is stably maintained to be 85-95%, in the constant temperature process, the control module 110 adjusts the water temperature in the hot water atomization module 130 according to the beam body temperature, the temperature and the humidity in the curing kiln 100, the automatic feedback adjustment of the hot water atomization module 130 is adopted, the values of the temperature and the humidity are accurately adjusted through an automatic PID algorithm of the mist quantity of the atomized gas generated by atomizing and spraying water in the hot water atomization module 130, the real-time monitoring of the ambient temperature and humidity in the curing kiln 100 is performed through the control module 110, the constant temperature and humidity in the curing kiln 100 is ensured, the curing of the precast beam in the curing kiln 100 is ensured under the constant temperature and humidity environment, and the quality of the precast beam is prevented from being affected by the temperature and humidity change or the control in time.
Referring to fig. 6, an embodiment of the present invention further provides an intelligent precast beam curing system, which is used for executing the intelligent precast beam curing method according to any one of the above embodiments, and the method includes:
a curing kiln 100;
the control module 110 is used for monitoring and controlling actual temperature and humidity data in the curing kiln 100;
the information acquisition module 120 is used for acquiring actual temperature and humidity data, outdoor temperature and precast beam surface temperature data in the curing kiln 100 and feeding back the acquired data to the control module 110;
the control module 110 monitors and timely adjusts the water temperature in the hot water atomization module 130 according to the actual temperature and humidity data fed back by the information acquisition module 120, and the hot water atomization module 130 adjusts the hot water to a preset value and atomizes the hot water to change the temperature and humidity in the health preserving kiln 100 and the surface temperature of the precast beam, so that the temperature and humidity in the health preserving kiln 100 are guaranteed to be temperature changes of uniform temperature rise, constant temperature and uniform temperature drop.
In this embodiment, carry out real time monitoring through information acquisition module 120 to the humiture in the health preserving kiln 100, and carry the information acquisition to control module 110 in, regulate and control by control module 110, control module 110 is according to the data collection of information acquisition module 120 feedback, the temperature to in the hot water atomization module 130 is monitored and in time is adjusted, control module 110 receives the temperature information in the health preserving kiln 100, and in time record, the reinforcing is to the control of the inside humiture of health preserving kiln 100, guarantee the quality of precast beam, and accomplish in the health preserving kiln 100 that there is the problem precast beam to trace to follow, be favorable to carrying out the analysis summary to the reason of damaging the precast beam, reduce the quality problem that the precast beam appears at the health preserving in-process, improve health preserving efficiency.
Referring to fig. 7, in one embodiment, a heating assembly 102 is disposed in the floor or wall of the curing kiln 100, and a cooling fan 101 is disposed inside the curing kiln 100.
Preferably, the heating module 102 may also include a hot water pipe and a radiator.
In this embodiment, the hot water pipe 102 communicates with each other through the pipeline with the muddy water tank 1321 in the hot water atomization module 130, be equipped with switch module on the pipeline, switch module controls through the I/O unit 1122, through set up hot water pipe 102 in the health preserving kiln 100, effectively guarantee the homogeneity of temperature in the health preserving kiln 100, and reduce the calorific loss of hot gas atomization in-process, through the setting of fan 101, the mobility of air in the health preserving kiln 100 with higher speed, guarantee the homogeneity of the atomizing steam in the health preserving kiln 100.
Referring to fig. 8, in one embodiment, the control module 110 includes:
a touch screen 111;
and the controller 112 is connected with the touch screen 111, and the controller 112 is configured to receive data of the temperature and humidity in the curing kiln 100, the surface temperature of the precast beam, and the temperature of the hot water in the hot water atomization module 130, which are acquired by the information acquisition module 120, and control the hot water atomization module 130.
Preferably, the controller 112 may include a PLC, DCS, FCS, or other embedded system.
In this embodiment, the controller 112 is connected with the touch screen 111 through RS-232 signals, the controller 112 performs data calculation through the information collected by the information collection module 120, automatically issues a spraying instruction, and also issues a spraying instruction through manual control of the touch screen 111, so that the control of the switch assembly and the high-pressure spraying host 1331 can be rapidly realized, and the control purpose of intelligent constant temperature and humidity health preservation is achieved.
Referring to fig. 8, in one embodiment, the controller 112 includes:
the a/D unit 1121 is configured to receive actual temperature and humidity data, outdoor temperature data, and the surface temperature of the precast beam in the curing kiln 100, which are acquired by the information acquisition module 120, and feed back the acquired data to the touch screen 111 for display;
the I/O unit 1122 outputs a signal to control the start and stop of the hot water atomization module 130 according to the data collected by the a/D unit 1121 and an instruction generated by manually touching the touch screen 111, so as to adjust the temperature and humidity in the health preserving kiln 100;
a communication unit 1123, wherein the communication unit 1123 is internally provided with a GPRS wireless module to ensure that the control module 110 performs remote data communication.
In this embodiment, the controller 112 collects the temperature and humidity in the curing kiln 100, the temperature outside the curing kiln 100 and the surface temperature of the precast beam through the a/D module, compares and judges with a preset spraying curing preset value through data processing, and then controls the switch assembly and the high-pressure spraying host 1331 to spray into the curing kiln 100.
Referring to fig. 7, in one embodiment, the information collecting module 120 includes:
the temperature and humidity sensor 121 is installed in the curing kiln 100, and is used for monitoring the temperature and humidity in the curing kiln 100 and transmitting detected actual temperature and humidity data to the a/D unit 1121;
the thermometer 122 is installed outside the curing kiln 100, and is used for monitoring the ambient temperature and transmitting the detected ambient temperature data to the a/D unit 1121;
and the temperature sensor 123 is fixed on the surface of the precast beam, and is used for monitoring the surface temperature of the precast beam and transmitting the detected temperature data to the a/D unit 1121.
In this embodiment, the temperature and humidity sensor 121 is installed inside the curing kiln 100 and is used for monitoring the temperature and humidity inside the curing kiln 100 in real time and feeding actual temperature and humidity data back to the a/D unit 1121, and the temperature sensor 123 monitors the temperature of the surface of the precast beam in real time and feeds the data back to the a/D unit 1121, so that the temperature and humidity inside the curing kiln 100 can be conveniently and timely controlled by the control module 110, and the controllability in the curing process of the precast beam is enhanced.
Referring to fig. 7, in one embodiment, the hot water atomization module 130 includes:
a heating unit 131 for heating cold water to make the temperature of the water reach a fixed temperature;
the hot water in the heating unit 131 is conveyed into the water mixing unit 132, the temperature of the hot water conveyed by the heating unit 131 is monitored by the controller 112, and cold water or hot water is added for adjustment so as to reach a preset temperature;
and the atomizing unit 133 is configured to spray the mixed warm water into the curing kiln 100.
In this embodiment, the heating unit 131 is composed of an air source heat pump 1312 and solar energy 1311, and by the combination of the air source heat pump 1312 and the solar energy 1311, the air source heat pump 1312 prevents the water temperature from reaching a preset value due to insufficient time of day illumination in cloudy days or rainy days, the water mixing unit 132 plays a certain role in buffering hot water in the solar energy 1311 module, so that the influence of the high temperature of the hot water in the solar energy 1311 module on the quality of the precast beam is avoided, meanwhile, the temperature of the water in the water mixing unit 132 is monitored by a sensor 1322, so that the temperature of the atomized water mist of the atomizing unit 133 is ensured to reach the preset value in the precast beam curing process, the temperature and humidity in the curing kiln 100 are ensured, and the atomizing unit 133 changes the warm water from a liquid state to a gaseous state, the humidity in the air is increased, the temperature in the environment is increased simultaneously, the heating and humidifying purposes are achieved, the humidification is uniform, water vapor can be uniformly distributed in the air, the humidification is quick, the energy-saving effect is good, the temperature and humidity of the environment are guaranteed when the precast beam is in the health preserving process, the control module 110 monitors the heating unit 131, the water mixing unit 132 and the atomizing unit 133, the water temperature is regulated and controlled in time, the controllability of the precast beam health preserving process is enhanced, a full-automatic loop intelligent heating and humidifying system is formed, the temperature/humidity precise control is achieved, the heating unit 131 heats cold water to different points, the fixed temperature is higher than a preset value, namely the fixed temperature is higher than 65 ℃, the phenomenon that the hot water is subjected to heat loss in the conveying process and the hot water temperature is reduced is avoided.
Referring to fig. 9, in one embodiment, the heating unit 131 includes:
solar energy 1311 for heating cold water;
the air source heat pump 1312 is used for secondarily heating the water in the solar energy 1311 to reach a preset temperature;
the heated hot water is delivered into the water mixing unit 132.
In the embodiment, in a form of combining the air source heat pump 1312 and the solar energy 1311, the air source heat pump 1312 prevents the water body temperature from failing to reach the preset value due to insufficient sun time in cloudy days or rainy days.
Referring to fig. 10, in one embodiment, the water mixing unit 132 includes:
the water mixing tank 1321 is configured to receive hot water heated by the heating unit 131, and mix the hot water and cold water in the water mixing tank 1321 through the controller 112 to reach a preset temperature;
and the sensor 1322 is installed in the mixed water tank 1321, and is used for monitoring the water temperature in the mixed water tank 1321 in real time and transmitting the temperature data to the a/D unit 1121.
The water mixing tank 1321 is connected with a hot water pipe 1323, a cold water pipe 1324 and a water supply pipe 1325, switch assemblies are arranged on the hot water pipe 1323, the cold water pipe 1324 and the water supply pipe 1325 and controlled by an I/O unit 1122, the hot water pipe 1323 is connected with the heating unit 131, the water supply pipe 1325 is connected with the atomizing unit 133, and heated water is conveyed into the atomizing unit 133 to be atomized.
The water mixing tank 1321 has a certain buffering effect on hot water in the solar 1311 module, the problem that the quality of the precast beam is affected due to the fact that the temperature of the hot water in the solar 1311 module is too high is avoided, meanwhile, the temperature of the water in the water mixing tank 1321 is monitored through the sensor 1322, the temperature of water mist atomized by the atomizing unit 133 is guaranteed, the preset value in the precast beam curing process is reached, and the temperature and the humidity in the curing kiln 100 are guaranteed;
the hot-water line 1323 links to each other with the heating element 131, the delivery pipe 1325 links to each other with high-pressure spraying host computer 1331, mix the water tank 1321 and mix cold water and warm water, play certain cushioning effect through mixing the water tank 1321 to the hot water in the solar energy 1311 module, avoid the hot water high temperature in the heating element 131 or cross the quality that influences the precast beam excessively, and simultaneously, monitor the temperature of the water in mixing the water tank 1321 through sensor 1322, guarantee the temperature of atomizing back water smoke, with the default that reachs precast beam health preserving in-process, guarantee the inside temperature and the humidity of health preserving kiln 100.
Preferably, the switch assembly is most preferably a solenoid valve, and may also include a switch or a valve;
referring to fig. 11, in one embodiment, the atomizing unit 133 includes:
a high-pressure spray main unit 1331 for pressurizing water output from the water mixing tank 1321 and controlling the water through the I/O unit 1122;
the nozzles 1332 are connected with the high-pressure spraying host 1331 through high-pressure pipelines and used for atomizing water, the nozzles 1332 are installed in the curing kiln 100, and the temperature and humidity in the curing kiln 100 can be controlled by controlling the number of the opened nozzles 1332.
In this embodiment, a plurality of nozzles 1332 are arranged and installed inside the curing kiln 100, the high-pressure spraying host 1331 pressurizes the purified warm water to above 4MPa, the high-pressure warm water is atomized at high pressure through a high-pressure pipeline, the nozzles 1332 atomize the water into countless fine mist and micro mist with the diameter of 10-50 microns, the fine mist and the micro mist float in the air, the warm water is changed from liquid state to gas state, the humidity in the air is increased, the temperature in the environment is increased, the heating and humidifying purposes are achieved, the humidifying is uniform, the water vapor can be uniformly distributed in the air, the humidifying is fast, the energy-saving effect is good, and two temperature control methods 1 are arranged to control the opening number of the nozzles 1332; 2. the temperature of the warm water in the water mixing tank 1321 is controlled, and the temperature in the curing kiln 100 is regulated and controlled in an enhanced manner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (18)

1. Intelligent precast beam health preserving method, its characterized in that includes:
step S1: setting preset values of the temperature and the humidity in the curing kiln according to requirements of the prefabricated Liang Yangsheng;
step S2: monitoring the temperature and humidity in the curing kiln and the temperature outside the curing kiln;
and step S3: hydrating the precast beam, and curing the precast Liang Fangru in a kiln;
and step S4: spraying hot water mist into the curing kiln, and controlling the temperature in the curing kiln to rise at a constant speed so as to preliminarily shape the precast beam;
step S5: keeping the temperature in the curing kiln constant, and keeping a certain environment humidity to further shape the precast beam;
step S6: after the precast beam is shaped, collecting the indoor and outdoor temperature and the indoor humidity again, and controlling the temperature in the curing kiln to enable the temperature in the curing kiln to decrease at a constant speed to reach a certain numerical value within the range of +/-5 ℃ of the outdoor environment temperature;
step S7: and taking out the precast beam after standing for a preset time.
2. An intelligent precast beam curing method according to claim 1,
in the steps S4, S5 and S6, the temperature and the humidity in the health-preserving kiln are monitored, the feedback information is used for controlling the start and stop of the hot water atomization module in the health-preserving kiln according to the change of the temperature and the humidity in the health-preserving kiln, so that the temperature and the humidity in the health-preserving kiln are controlled, and the temperature change of uniform temperature rise, constant temperature and uniform temperature drop is ensured.
3. An intelligent precast beam curing method according to claim 2,
the realization of the control of the temperature and the humidity in the curing kiln comprises the following steps:
step S801: heating cold water through a hot water atomization module to enable the temperature of the water to reach a fixed temperature, wherein the fixed temperature is higher than a preset value, and conveying the heated hot water into a water mixing tank;
step S802: the sensor monitors the temperature of water in the water mixing tank, and cold water and hot water are added for regulation so as to reach the preset value of temperature and humidity;
step S803: the adjusted warm water is sprayed into the curing kiln through the spray head, so that the temperature and humidity in the curing kiln can reach preset values.
4. An intelligent precast beam curing method according to claim 1,
in the step S2, the temperature and the humidity in the curing kiln are monitored through a temperature and humidity sensor, and the environment temperature outside the curing kiln is monitored through a thermometer.
5. An intelligent precast beam curing method according to claim 1,
in step S3, when the precast beam is transferred to the interior of the curing kiln, the temperature of the precast beam body is between 40 and 80 ℃.
6. An intelligent precast beam curing method according to claim 1,
in steps S4 and S6, the rate of uniform temperature rise in the kiln is set as k Lifting of wine The speed of uniform temperature reduction in the curing kiln is k Descend
k Lifting of wine The value range of the (A) is between 8 ℃/h and 10 ℃/h;
|k descend The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h.
7. An intelligent precast beam curing method according to claim 6,
in steps S4 and S6, k Lifting of wine The value range of (1) is between 8 ℃/h and 10 ℃/h, | k Descend The absolute value of the value range of |, is also between 8 ℃/h and 10 ℃/h, so that the temperature in the curing kiln is uniformly increased to between 55 ℃ and 65 ℃, or the temperature in the curing kiln is uniformly decreased, and the temperature in the curing kiln is uniformly increasedThe temperature is standard temperature, and the temperature difference between the warm water mist and the precast beam body is between minus 5 ℃ plus or minus 20 ℃.
8. An intelligent precast beam curing method according to claim,
in step S5, the constant temperature in the curing kiln is between 55 and 65 ℃, and the environmental humidity is between 85 and 95 percent.
9. An intelligent precast beam curing system for performing the intelligent precast beam curing method according to any one of claims 1 to 8, comprising:
a curing kiln;
the control module is used for monitoring and controlling the actual temperature and humidity data in the curing kiln;
the information acquisition module is used for acquiring actual temperature and humidity data, outdoor temperature and precast beam surface temperature data in the curing kiln and feeding back the acquired data to the control module;
the control module monitors and timely adjusts the water temperature in the hot water atomization module according to actual temperature and humidity data fed back by the information acquisition module, hot water is atomized after being adjusted to a preset value through the hot water atomization module so as to change the temperature and humidity in the health-preserving kiln and the surface temperature of the precast beam, and the temperature and humidity in the health-preserving kiln are guaranteed to be temperature changes of uniform temperature rise, constant temperature and uniform temperature drop.
10. The intelligent precast beam curing system of claim 9,
heating components are arranged on the ground or in the wall in the curing kiln, and a cooling fan is arranged inside the curing kiln.
11. The intelligent precast beam curing system of claim 9,
the control module includes:
a touch screen;
and the controller is connected with the touch screen and is used for receiving the data of the temperature and humidity in the health-preserving kiln, the surface temperature of the precast beam and the temperature of hot water in the hot water atomization module, which are acquired by the information acquisition module, and controlling the hot water atomization module.
12. An intelligent precast beam curing system according to claim 11,
the controller includes:
the A/D unit is used for receiving the actual temperature and humidity data in the curing kiln, the outdoor temperature data and the surface temperature of the precast beam, which are acquired by the information acquisition module, and feeding the acquired data back to the touch screen for display;
the I/O unit outputs a signal to control the start and stop of the hot water atomization module according to the data acquired by the A/D unit and an instruction generated by manually touching the touch screen, so as to regulate the temperature and the humidity in the health-preserving kiln;
and the communication unit is internally provided with a GPRS wireless module and ensures that the control module carries out remote data communication.
13. The intelligent precast beam curing system of claim 12,
the information acquisition module comprises:
the temperature and humidity sensor is arranged in the health-preserving kiln and used for monitoring the temperature and humidity in the health-preserving kiln and transmitting detected actual temperature and humidity data to the A/D unit;
the thermometer is arranged outside the curing kiln and used for monitoring the environmental temperature and transmitting the detected environmental temperature data to the A/D unit;
and the temperature sensor is fixed on the surface of the precast beam and used for monitoring the surface temperature of the precast beam and transmitting the detected temperature data to the A/D unit.
14. An intelligent precast beam curing system according to claim 12,
the hot water atomization module includes:
the heating unit is used for heating cold water to enable the temperature of the water to reach a fixed temperature;
the hot water in the heating unit is conveyed into the water mixing unit, the temperature of the hot water conveyed by the heating unit is monitored through the controller, and cold water or hot water is added for regulation so as to reach a preset temperature;
and the atomizing unit is used for spraying the mixed warm water into the curing kiln.
15. The intelligent precast beam curing system of claim 14,
the heating unit includes:
solar energy for heating cold water;
the air source heat pump is used for carrying out secondary heating on water in the solar energy to reach a preset temperature;
the heated hot water is conveyed into the water mixing unit.
16. The intelligent precast beam curing system of claim 14,
the water mixing unit comprises:
the water mixing tank is used for receiving the hot water heated by the heating unit and mixing the hot water and the cold water in the water mixing tank through the controller so as to reach a preset temperature;
and the sensor is arranged in the water mixing tank and used for monitoring the water temperature in the water mixing tank in real time and transmitting temperature data to the A/D unit.
17. An intelligent precast beam curing system according to claim 16,
the water mixing tank is connected with a hot water pipe, a cold water pipe and a water supply pipe, switch assemblies are arranged on the hot water pipe, the cold water pipe and the water supply pipe and are controlled by an I/O unit, the hot water pipe is connected with a heating unit, the water supply pipe is connected with an atomizing unit, and heated water is conveyed into the atomizing unit to be atomized.
18. The intelligent precast beam curing system of claim 12,
the atomizing unit includes:
the high-pressure spraying main machine is used for pressurizing water output from the water mixing tank and controlling the water through the I/O unit;
the nozzle, the nozzle pass through high-pressure line with the high pressure spraying host computer links to each other for atomize water, the nozzle is installed in the health preserving kiln, and quantity through controlling the nozzle and opening also can be controlled the humiture in the health preserving kiln.
CN202211418443.3A 2022-11-14 2022-11-14 Intelligent precast beam health preserving method and system Pending CN115890886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211418443.3A CN115890886A (en) 2022-11-14 2022-11-14 Intelligent precast beam health preserving method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211418443.3A CN115890886A (en) 2022-11-14 2022-11-14 Intelligent precast beam health preserving method and system

Publications (1)

Publication Number Publication Date
CN115890886A true CN115890886A (en) 2023-04-04

Family

ID=86479847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211418443.3A Pending CN115890886A (en) 2022-11-14 2022-11-14 Intelligent precast beam health preserving method and system

Country Status (1)

Country Link
CN (1) CN115890886A (en)

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