CN211517909U - Heat circulation system for concrete curing - Google Patents

Abstract

The application discloses a heat circulation system for concrete maintenance, which comprises a concrete maintenance shed and a controller, wherein a fan heater and a fan are arranged in the concrete maintenance shed, an air outlet of the fan is connected with a heat conduction hose, an air detector and a temperature sensor are installed on the heat conduction hose, an air inlet of the fan is connected with a first air inlet pipe and a second air inlet pipe, one end of the first air inlet pipe extends out of the concrete maintenance shed, one end of the second air inlet pipe is positioned at the top of the inner side of the concrete maintenance shed, the first air inlet pipe is communicated with the second air inlet pipe, a telescopic device is arranged at the position where the first air inlet pipe and the second air inlet pipe are communicated, sealing gaskets are arranged at two ends of the telescopic device, and the two sealing gaskets can respectively seal the first air inlet pipe and the second air inlet pipe; the controller is respectively and electrically connected with the air detector, the temperature sensor, the fan, the telescopic device and the warm air fan. The application solves the technical problems that deformation and cracks are easy to occur due to uneven heating in the concrete curing process in winter.

Description

Heat circulation system for concrete curing

Technical Field

The application relates to the technical field of concrete curing, in particular to a heat circulation system for concrete curing.

Background

The temperature is lower in winter in most areas in the north of China, and the cold period time is longer. Due to the restriction of the construction period of the project, the concrete winter construction of many projects is inevitable. Meanwhile, the construction of the concrete is greatly restricted by the environmental temperature, and if the mold-entering temperature of the concrete cannot be ensured and enough temperature and humidity are ensured in the curing process, the concrete can be frost-cracked. In the past, the conventional curing method is usually natural curing and heating curing, the cast-in-place concrete is usually naturally cured under normal conditions, while the curing method commonly used in winter construction is an external heating method, namely, the large-scale heat preservation greenhouse is provided with boiler equipment or a warm air blower and the like, but the temperature difference between the upper part and the lower part in the greenhouse is larger, and easily generate oxygen deficiency and the like to form limited space operation danger, and during the maintenance process of the concrete member, the heating between the upper end and the side surface of the concrete member and the ground is uneven, the uneven heating easily causes great temperature difference between the top and the bottom of the concrete member, the temperature difference can cause the deformation of each part of the concrete member to be inconsistent, the concrete member is easy to crack in the curing process, the later use is influenced, the curing cost is high generally, the curing period is long, and the popularization and the use are not facilitated.

Aiming at the problem that deformation and cracks are easy to occur due to uneven heating in the concrete curing process in winter in the related technology, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a heat-cycle system for concrete curing to solve winter and easily appear warping and cracked problem to the concrete curing in-process owing to be heated the inequality.

In order to achieve the above object, the present application provides a heat cycle system for concrete curing.

The utility model provides a heat cycle system for concrete curing according to this application includes: the concrete maintenance shed comprises a concrete maintenance shed body, wherein at least one fan heater is arranged at the bottom of the inner side of the concrete maintenance shed body, a fan is arranged at the top of the inner side of the concrete maintenance shed body, an air outlet of the fan is connected with one end of a heat-conducting hose, an air detector and a temperature sensor are installed at the other end of the heat-conducting hose and extend to the lower portion of the inner side of the concrete maintenance shed body, an air inlet of the fan is connected with a first air inlet pipe and a second air inlet pipe, one end of the first air inlet pipe extends out of the concrete maintenance shed body, one end of the second air inlet pipe is located at the top of the inner side of the concrete maintenance shed body, the other end of the first air inlet pipe is communicated with the other end of the second air inlet pipe, a telescopic device with two ends capable of being adjusted in a telescopic mode is arranged at the position where the first air inlet pipe is communicated with the second air inlet pipe, and, one sealing gasket can extend into the first air inlet pipe to seal the first air inlet pipe, and the other sealing gasket can extend into the second air inlet pipe to seal the second air inlet pipe;

the heat cycle system for concrete maintenance further comprises a controller, wherein a detection signal receiving end of the controller is electrically connected with a detection signal output end of the air detector and a detection signal output end of the temperature sensor respectively, and a control signal output end of the controller is electrically connected with a control end of the fan, a control end of the telescopic device and a control end of the fan heater respectively.

Further, the fan includes fan shell, motor and helical blade, fan shell is for setting up and both ends open-ended tubular structure along the horizontal direction, fan shell's one end opening with heat-conducting hose intercommunication, fan shell's other end opening with first air-supply line with second air-supply line intercommunication, the motor is fixed in the fan shell, helical blade connects on the output shaft of motor, just helical blade orientation heat-conducting hose direction.

Further, the fan still includes the base, the bottom of base is fixed on the bottom inner wall of fan shell, the bottom of motor with the top of base is connected.

Furthermore, a connecting piece is arranged above the fan shell, the bottom end of the connecting piece is connected with the top of the fan shell, and the top end of the connecting piece is connected with the inner wall of the top of the concrete curing shed.

Further, the controller is fixed the bottom of fan shell, the bottom of fan shell still is provided with the alarm, the control signal output of controller with the control end electric connection of alarm.

Furthermore, the alarm is an audible and visual alarm.

Further, the concrete maintenance canopy is a rectangular structure built by adopting a scaffold, and a heat preservation quilt is laid on the outer side of the concrete maintenance canopy.

Further, the distance between the heat conduction hose and the bottom of the inner side of the concrete curing shed in the extending process is 1.2-1.8 m.

Furthermore, the warm air blower is arranged at the bottom of the inner side of the concrete curing shed every 40-80 square meters.

Furthermore, the telescoping device is the electric telescopic handle that top and bottom all can carry out concertina movement, electric telescopic handle along vertical direction fixed set up in first air-supply line with the position that the second air-supply line is linked together, electric telescopic handle's top orientation first air-supply line direction, electric telescopic handle's bottom orientation second air-supply line direction.

In the embodiment of the application, a fan heater is arranged at the bottom of the inner side of the concrete curing shed, a fan is arranged at the top of the inner side of the concrete curing shed, an air outlet of the fan is connected with one end of a heat-conducting hose, an air detector and a temperature sensor are arranged at the other end of the heat-conducting hose, an air inlet of the fan is connected with a first air inlet pipe and a second air inlet pipe, one end of the first air inlet pipe extends out of the concrete curing shed, one end of the second air inlet pipe is positioned at the top of the inner side of the concrete curing shed, a telescopic device with two ends capable of being telescopically adjusted is arranged at the position where the first air inlet pipe is communicated with the second air inlet pipe, sealing gaskets are arranged at two ends of the telescopic device, the temperature sensor is used for detecting the temperature in the concrete curing shed in real time, and when the temperature is lower than a preset minimum threshold value, the telescopic device can be controlled, the second air inlet pipe is in an open state, and hot air at the upper part of the inner side of the concrete curing shed is conveyed to the lower part of the inner side of the concrete curing shed through the second air inlet pipe, the fan and the heat conducting hose in sequence, so that the temperature in the concrete curing shed is increased, and a constant-temperature curing environment with higher temperature is formed; when the temperature is in the maintenance temperature range, the controller can control the telescopic device to act so as to plug the first air inlet pipe and the second air inlet pipe, and the fan stops working, so that the constant-temperature maintenance environment at the temperature is maintained in the concrete maintenance shed; detect the oxygen content or the content of toxic gas in the concrete curing canopy through air detector in real time, when the oxygen content is less than predetermineeing minimum threshold and/or the content of toxic gas is higher than predetermineeing the highest threshold, thereby carry out the shutoff to the second air-supply line through controller control telescoping device action, first air-supply line is in the open mode, outside fresh air loops through first air-supply line, fan and heat-conducting hose carry to the inboard lower part of concrete curing canopy, thereby guarantee that the staff is healthy in the concrete curing canopy, provide safety, the suitable concrete curing environment of temperature. The utility model discloses can improve winter construction concrete maintenance efficiency and quality, promote the concrete intensity, reduce the maintenance expense, use manpower sparingly material resources and energy resource to effectively solve the risk of the interior maintenance operation of winter limited space. In addition, can also guarantee that each part of concrete member is heated evenly, avoid because the bottom and the top of concrete maintenance canopy are heated unevenly in winter and the problem and maintenance cycle length scheduling problem that lead to of concrete fracture, have very big spreading value. And further solves the technical problem that the concrete is easy to deform and crack due to uneven heating in the process of maintaining the concrete in winter.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic structural view of a concrete curing heat cycle system according to the present invention;

FIG. 2 is a right side sectional view of the concrete curing heat cycle system of the present invention;

FIG. 3 is a front cross-sectional view of the temperature oxygen control device in the thermal cycle system for concrete curing according to the present invention;

FIG. 4 is a left side cross-sectional view of the temperature oxygen control device in the thermal cycle system for concrete curing according to the present invention;

fig. 5 is an electrical structure diagram of the concrete curing heat cycle system of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, the present application relates to a heat cycle system for concrete curing, which comprises a concrete curing shed 14, at least one fan heater 16 is disposed at the bottom of the inner side of the concrete curing shed 14, a fan is disposed at the top of the inner side of the concrete curing shed 14, an air outlet of the fan is connected to one end of a heat conducting hose 12, an air detector 3 and a temperature sensor 8 are mounted at the other end of the heat conducting hose 12 and extend to the lower portion of the inner side of the concrete curing shed 14, an air inlet of the fan is connected to a first air inlet pipe 11 and a second air inlet pipe 17, the first air inlet pipe 11 and the second air inlet pipe 17 are both disposed along the vertical direction, the top end of the first air inlet pipe 11 extends out of the concrete curing shed 14, the bottom end of the second air inlet pipe 17 is disposed at the top of the inner side of the concrete curing shed 14, the bottom end of the first air inlet pipe 11 is communicated with the top end of the second air inlet pipe 17, and the position that first air inlet pipe 11 is linked together with second air inlet pipe 17 is provided with telescoping device 9 that both ends can stretch out and draw back and adjust, the both ends of telescoping device 9 all are provided with the sealed pad 10 of cylindrical cubic, the diameter of sealed pad 10 is the same with the internal diameter of first air inlet pipe 11 and the internal diameter of second air inlet pipe 17, the sealed pad 10 that is located telescoping device 9 top can stretch into first air inlet pipe 11 and carry out the shutoff to first air inlet pipe 11, the sealed pad 10 that is located telescoping device 9 bottom can stretch into the second air inlet pipe 17 and carry out the shutoff to second air inlet pipe 17. Wherein, concrete maintenance is with heat-cycle system still includes controller 1, and the detection signal receiving terminal of controller 1 respectively with air detector 3's detection signal output part and temperature sensor 8's detection signal output part electric connection, the control signal output part of controller 1 respectively with the control end of fan, the control end of telescoping device 9 and the control end electric connection of warm braw machine 16.

The utility model is characterized in that a warm air blower 16 is arranged at the bottom of the inner side of a concrete curing shed 14, a fan is arranged at the top of the inner side of the concrete curing shed 14, an air outlet of the fan is connected with one end of a heat-conducting hose 12, an air detector 3 and a temperature sensor 8 are arranged at the other end of the heat-conducting hose 12, an air inlet of the fan is connected with a first air inlet pipe 11 and a second air inlet pipe 17, one end of the first air inlet pipe 11 extends out of the concrete curing shed 14, one end of the second air inlet pipe 17 is arranged at the top of the inner side of the concrete curing shed 14, a telescopic device 9 with two ends capable of being telescopically adjusted is arranged at the position where the first air inlet pipe 11 is communicated with the second air inlet pipe 17, sealing gaskets 10 are arranged at the two ends of the telescopic device 9, the temperature in the concrete curing shed 14 is detected in real time through the temperature sensor 8, when the temperature is lower than a preset minimum threshold value, the telescopic device 9 can be, the second air inlet pipe 17 is in an open state, and hot air at the upper part of the inner side of the concrete curing shed 14 is conveyed to the lower part of the inner side of the concrete curing shed 14 through the second air inlet pipe 17, the fan and the heat conducting hose 12 in sequence, so that the temperature in the concrete curing shed is increased, and a constant-temperature curing environment with higher temperature is formed; when the temperature is in the maintenance temperature range, the controller 1 can control the telescopic device 9 to act so as to plug the first air inlet pipe 11 and the second air inlet pipe 17, and the fan stops working, so that the constant-temperature maintenance environment at the temperature is maintained in the concrete maintenance shed 14; detect the oxygen content and/or the content of toxic gas in the concrete curing canopy 14 through air detector 3 in real time, when the oxygen content is less than predetermineeing minimum threshold or the content of toxic gas is higher than predetermineeing the maximum threshold, thereby carry out the shutoff to second air-supply line 17 through controller 1 control telescoping device 9 action, first air-supply line 11 is in the open mode, outside fresh air loops through first air-supply line 11, fan and heat-conducting hose 12 carry to the lower part of concrete curing canopy 14 inboard, play the effect of taking a breath, thereby guarantee that the staff is healthy in the concrete curing canopy 14, provide safety, the suitable concrete curing environment of temperature. The utility model discloses can improve winter construction concrete maintenance efficiency and quality, promote the concrete intensity, reduce the maintenance expense, use manpower sparingly material resources and energy resource to effectively solve the risk of the interior maintenance operation of winter limited space. In addition, can also guarantee that each part of concrete member is heated evenly, avoid because the bottom and the top of concrete curing shed 14 are heated unevenly in winter and the problem that the concrete that leads to ftractures and the maintenance cycle length scheduling problem have very big spreading value.

Further, the heat conductive hose 12 extends to a distance of 1.2 m to 1.8 m from the bottom of the inside of the concrete curing shed 14.

Further, one of the fan heaters 16 is provided every 40 to 80 square meters at the bottom of the inner side of the concrete curing shed 14.

In an optional embodiment of the utility model, as shown in fig. 3 to 5, the fan includes fan shell 4, motor 6 and helical blade 7, fan shell 4 is for setting up and both ends open-ended tubular structure along the horizontal direction, the one end opening and the heat-conducting hose 12 intercommunication of fan shell 4, the other end opening and the first air-supply line 11 and the second air-supply line 17 intercommunication of fan shell 4, motor 6 fixes in fan shell 4, helical blade 7 is connected on the output shaft of motor 6, and helical blade 7 is towards heat-conducting hose 12 direction, the control end of motor 6 and controller 1's control signal output part electric connection.

Further, as shown in fig. 3, the fan further includes a base 5, the bottom of the base 5 is fixed on the inner wall of the bottom of the fan housing 4, and the bottom of the motor 6 is connected with the top of the base 5, so that the stability of the motor 6 installed in the fan housing 4 is improved.

Further, as shown in fig. 1 to 3, a connecting piece 13 is arranged above the fan housing 4, the connecting piece 13 is of a rectangular structure arranged along the horizontal direction, the bottom end of the connecting piece 13 is connected with the top of the fan housing 4, the top end of the connecting piece 13 is connected with the inner wall of the top of the concrete curing shed 14, and the fan housing 4 is connected to the concrete curing shed 14 stably.

In an optional embodiment of the present invention, as shown in fig. 3 and 5, the controller 1 is fixed at the bottom of the fan housing 4, the bottom of the fan housing 4 is further provided with an alarm 2, a control signal output end of the controller 1 is electrically connected to a control end of the alarm 2, and the controller 1 controls the alarm to send an alarm signal when the maintenance environment in the concrete maintenance shed 14 is abnormal (i.e., the temperature is lower than the preset minimum threshold value, the oxygen content is lower than the preset minimum threshold value and/or the content of toxic gas is higher than the preset maximum threshold value), so as to remind the operator to regulate and control the maintenance environment.

Further, the alarm 2 may be, but is not limited to, an audible and visual alarm.

In an optional embodiment of the present invention, as shown in fig. 1 and 2, the concrete curing shed 14 has a rectangular structure built by scaffolds, and a heat preservation quilt 15 is laid outside the concrete curing shed 14 to perform a heat preservation function.

In an optional embodiment of the present invention, the telescopic device 9 is an electric telescopic rod, the top end and the bottom end of which can perform telescopic motion, the electric telescopic rod is fixedly disposed at a position where the first air inlet pipe 11 is communicated with the second air inlet pipe 17 along a vertical direction, two electric cylinders are disposed in the electric telescopic rod, a piston rod of one electric cylinder is disposed upward along the vertical direction (i.e., toward the first air inlet pipe 11), a piston rod of the other electric cylinder is disposed downward along the vertical direction (i.e., toward the second air inlet pipe 17), and the two sealing gaskets 10 are correspondingly fixed at ends of the two piston rods.

Further, the controller 1 may be, but is not limited to, a UPFC controller, in which a signal receiving circuit and a signal output circuit are disposed, the signal receiving circuit is configured to receive data signals detected by the air detector 3 and the temperature sensor 8, and the signal output circuit is configured to control operating states of the motor 6, the electric cylinder, the alarm 2, and the heater 16.

The utility model discloses a there are three kinds of mode in the course of the work:

the first working mode is as follows: when the temperature is lower than the preset minimum threshold value, the controller 1 can control the telescopic device 9 to act so as to plug the first air inlet pipe 11, the second air inlet pipe 17 is in an open state, hot air at the upper part of the inner side of the concrete curing shed 14 sequentially passes through the second air inlet pipe 17, the fan and the heat conduction hose 12 and is conveyed to the lower part of the inner side of the concrete curing shed 14, a constant-temperature curing environment with higher temperature is formed, and meanwhile, the internal temperature of the whole concrete curing shed 14 is uniform.

And a second working mode: when the temperature is in the maintenance temperature range, the controller 1 can control the telescopic device 9 to act so as to plug the first air inlet pipe 11 and the second air inlet pipe 17, and the fan stops working, so that the constant-temperature maintenance environment at the temperature is maintained in the concrete maintenance shed 14.

And a third working mode: when the oxygen content is lower than a preset minimum threshold value and/or the content of toxic gas is higher than a preset maximum threshold value, the controller 1 controls the telescopic device 9 to act so as to plug the second air inlet pipe 17, the first air inlet pipe 11 is in an open state, external fresh air is conveyed to the lower part of the inner side of the concrete curing shed 14 through the first air inlet pipe 11, the fan and the heat conduction hose 12 in sequence to play a role in ventilation, and the controller 1 controls the alarm 2 to send out an alarm signal.

From the above description, it can be seen that the present invention achieves the following technical effects:

this heat-cycle system for concrete maintenance can improve winter construction concrete maintenance efficiency and quality, promotes the concrete intensity, reduces the maintenance cost, uses manpower and materials and energy resource sparingly to effectively solve the risk of the interior maintenance operation of winter limited space. In addition, can also guarantee that each part of concrete member is heated evenly, avoid because the bottom and the top of concrete curing shed 14 are heated unevenly in winter and the problem that the concrete that leads to ftractures and the maintenance cycle length scheduling problem have very big spreading value.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a heat-cycle system for concrete maintenance, its characterized in that, heat-cycle system for concrete maintenance includes concrete maintenance canopy (14), the inboard bottom of concrete maintenance canopy (14) is provided with an at least electric fan heater (16), the inboard top of concrete maintenance canopy (14) is provided with the fan, the air outlet of fan is connected with the one end of heat-conducting hose (12), air detector (3) and temperature sensor (8) are installed to the other end of heat-conducting hose (12) and extend to the inboard lower part of concrete maintenance canopy (14), the air intake of fan is connected with first air-supply line (11) and second air-supply line (17), the one end of first air-supply line (11) stretches out to the outside of concrete maintenance canopy (14), the one end of second air-supply line (17) is located the inboard top of concrete maintenance canopy (14), the other end of the first air inlet pipe (11) is communicated with the other end of the second air inlet pipe (17), a telescopic device (9) with two ends capable of being telescopically adjusted is arranged at the position where the first air inlet pipe (11) is communicated with the second air inlet pipe (17), sealing gaskets (10) are arranged at the two ends of the telescopic device (9), one sealing gasket (10) can extend into the first air inlet pipe (11) to seal the first air inlet pipe (11), and the other sealing gasket (10) can extend into the second air inlet pipe (17) to seal the second air inlet pipe (17);

the concrete maintenance heat cycle system further comprises a controller (1), wherein a detection signal receiving end of the controller (1) is electrically connected with a detection signal output end of the air detector (3) and a detection signal output end of the temperature sensor (8) respectively, and a control signal output end of the controller (1) is electrically connected with a control end of the fan, a control end of the telescopic device (9) and a control end of the fan heater (16) respectively.

2. The concrete curing heat cycle system according to claim 1, wherein the fan comprises a fan housing (4), a motor (6) and a helical blade (7), the fan housing (4) is a cylindrical structure which is arranged along a horizontal direction and has two open ends, one end opening of the fan housing (4) is communicated with the heat conducting hose (12), the other end opening of the fan housing (4) is communicated with the first air inlet pipe (11) and the second air inlet pipe (17), the motor (6) is fixed in the fan housing (4), the helical blade (7) is connected to an output shaft of the motor (6), and the helical blade (7) faces the direction of the heat conducting hose (12).

3. The concrete curing heat cycle system as recited in claim 2, wherein said blower further comprises a base (5), the bottom of said base (5) is fixed to the inner wall of the bottom of said blower housing (4), and the bottom of said motor (6) is connected to the top of said base (5).

4. The concrete curing heat cycle system according to claim 2, wherein a connecting piece (13) is arranged above the fan housing (4), the bottom end of the connecting piece (13) is connected with the top of the fan housing (4), and the top end of the connecting piece (13) is connected with the inner wall of the top of the concrete curing shed (14).

5. The concrete curing heat cycle system according to claim 2, wherein the controller (1) is fixed at the bottom of the fan housing (4), an alarm (2) is further arranged at the bottom of the fan housing (4), and a control signal output end of the controller (1) is electrically connected with a control end of the alarm (2).

6. A concrete curing heat cycle system according to claim 5, characterized in that the alarm (2) is an audible and visual alarm.

7. The concrete curing heat cycle system according to claim 1, wherein the concrete curing shed (14) is a rectangular structure built by a scaffold, and a heat preservation quilt (15) is laid on the outer side of the concrete curing shed (14).

8. A concrete curing heat cycle system according to claim 1, characterized in that the heat conducting hose (12) extends to a distance of 1.2 to 1.8 meters from the bottom inside the concrete curing shed (14).

9. A concrete curing heat cycle system according to claim 1, wherein one of said fan heaters (16) is provided every 40 to 80 square meters at the bottom of the inside of said concrete curing shed (14).

10. The concrete curing heat cycle system according to claim 1, wherein the telescopic device (9) is an electric telescopic rod with a top end and a bottom end capable of performing telescopic motion, the electric telescopic rod is fixedly arranged at a position where the first air inlet pipe (11) is communicated with the second air inlet pipe (17) along a vertical direction, the top end of the electric telescopic rod faces the first air inlet pipe (11), and the bottom end of the electric telescopic rod faces the second air inlet pipe (17).

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