A temperature control device for mass concrete placement

Abstract

The application discloses a mass concrete pouring temperature control device, and relates to the technical field of concrete pouring devices, which comprises a water tank, a temperature sensor, a flow controller and a plurality of cooling pipes, the plurality of cooling pipes are all previously embedded in a concrete pouring area, the two ends of each cooling pipe are both communicated with the water tank, the flow controller is used for controlling the flow of water flow in the cooling pipe, the temperature sensor is used for sensing the temperature of water flow back in the cooling pipe, the temperature sensor and the flow controller are electrically connected, and a cooling device is arranged in the water tank and used for cooling the water back in the cooling pipe. The application has the effect of facilitating the emission of heat generated in the concrete pouring process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete pouring equipment, in particular to a temperature control device for large-volume concrete pouring. BACKGROUND

[0002] Concrete pouring refers to a construction process of pouring mixed and un-solidified concrete into a forming area, and according to design-related specifications and design drawings, the poured concrete is plasticized by a pre-erected formwork, and finally forms a building designed in the drawings.

[0003] In the concrete pouring construction process, especially in large-volume, large-volume and deep concrete pouring construction, as the concrete is continuously poured and raised, the hydration heat generated by the cement in the bottom layer of concrete will continuously accumulate, and a large number of bubbles will be generated, which will cause the volume of the concrete to expand to a certain extent before solidification, and as the concrete gradually solidifies, the expanded concrete is difficult to restore to its original state.

[0004] After the concrete solidifies, due to the rapid loss of temperature or the sudden drop of external temperature, even if the heat preservation measures are taken, the temperature of the concrete structure will eventually be consistent with the external temperature, and the gradual change of the temperature of the concrete structure will cause the internal shrinkage cracks of the concrete, which will seriously affect the quality and safety of the concrete structure. SUMMARY

[0005] In order to facilitate the dissipation of heat generated in the concrete pouring process, the present application provides a temperature control device for large-volume concrete pouring.

[0006] The temperature control device for large-volume concrete pouring provided by the present application adopts the following technical scheme:

[0007] A temperature control device for large-volume concrete pouring, comprising a water tank, a temperature sensor, a flow controller and a plurality of cooling pipes, the plurality of cooling pipes are pre-buried in the concrete pouring area, the two ends of each cooling pipe are communicated with the water tank, the flow controller is used to control the flow of water in the cooling pipe, the temperature sensor is used to sense the temperature of the backflow water in the cooling pipe, the temperature sensor and the flow controller are electrically connected, and the water tank is provided with a cooling device, which is used to cool the backflow water of the cooling pipe.

[0008] Through the technical scheme, before the concrete pouring, the operator embeds the cooling pipe in the concrete pouring area in advance, and then starts the concrete pouring after connecting the two ends of the cooling pipe with the water tank. During the concrete pouring, the water flow in the water tank flows along the cooling pipe and passes through the interior of the poured concrete, and the hydration heat generated by the concrete pouring is conducted to the water in the cooling pipe, thereby reducing the heat accumulated in the concrete, so that the heat generated during the concrete pouring can be dissipated.

[0009] The operator sets the temperature threshold value for the temperature sensor in advance, and when the temperature sensor senses that the water temperature of the cooling pipe return flow reaches the set temperature threshold value, the operator controls the flow controller to increase the water flow to take away more heat to improve the heat dissipation effect, thereby realizing intelligent control of the flow by sensing the water temperature.

[0010] In addition, the water carrying heat returns to the water tank along the cooling pipe, reducing the water consumption of the cooling water, thereby realizing the recycling of the cooling water.

[0011] In a preferred example, the water tank is provided with a plurality of water supply pipes and a plurality of return pipes, the temperature sensor is installed on the return pipe, the flow controller is installed on the water supply pipe, a plurality of the water supply pipes and a plurality of the cooling pipes are arranged one by one, a plurality of the return pipes and a plurality of the cooling pipes are arranged one by one, the two ends of each cooling pipe are respectively connected to the water tank through the corresponding water supply pipe and return pipe, the water supply pipe and the return pipe are provided with a connecting mechanism, and the two ends of the cooling pipe are installed on the corresponding water supply pipe and return pipe through the connecting mechanism.

[0012] Through the above technical scheme, in order to ensure that the cooling pipe has good thermal conductivity, the cooling pipe is made of ordinary steel pipe or galvanized steel pipe and other pipe materials with good thermal conductivity. After the concrete pouring is completed, in order to ensure continuous heat dissipation and the compactness of the concrete, the cooling pipe also needs to be embedded in the concrete, therefore, the cooling pipe is installed on the water supply pipe and the return pipe through the connecting mechanism, thereby realizing the detachable connection of the cooling pipe to facilitate the installation and removal of the cooling pipe during each heat dissipation process.

[0013] In a preferred example, the connecting assembly includes a flange, and the cooling pipe and the corresponding water supply pipe and return pipe are connected through the flange.

[0014] Through the above technical scheme, the two ends of the cooling pipe are connected to the water supply pipe and the return pipe through the flange, thereby realizing the detachable connection of the cooling pipe.

[0015] The application can be further configured in a preferred example that the cooling device comprises a plurality of flow distribution discs, the plurality of flow distribution discs are rotationally arranged in the water tank, the plurality of flow distribution discs and the plurality of cooling pipes are arranged in one-to-one correspondence, the flow distribution disc is directly below an end of the return pipe located in the water tank, and the water tank is provided with a driving assembly for driving the plurality of flow distribution discs to rotate.

[0016] Through the above technical solution, after the water flow returned by the return pipe separates from the return pipe, the water flow naturally falls and impacts on the flow distribution disc, so that the water flow is diffused into a plurality of streams, the contact area between the water and the air is increased, and the falling time of the water flow in the air is also prolonged, so that the cooling speed of the water flow can be accelerated, so that more heat can be carried away by the water flow after the water flow reenters the cooling pipe, and the heat dissipation effect is increased.

[0017] In addition, since the driving assembly can drive the flow distribution disc to rotate, the speed of the water flow moving in the horizontal direction is increased under the centrifugal action of the flow distribution disc, so that the heat carried by the water flow is dissipated to a greater extent.

[0018] The application can be further configured in a preferred example that the driving assembly comprises a motor and a plurality of driving rods in the water tank, the plurality of driving rods are fixedly connected to the plurality of flow distribution discs in one-to-one correspondence, a gear one is mounted on an output shaft of the motor, a gear two is mounted on each of the driving rods, and each of the gear two is engaged with the gear one.

[0019] Through the above technical solution, the operator starts the motor, the output shaft of the motor drives the gear one to rotate, since the gear two is engaged with the gear one, the gear one can drive each of the gear two to rotate, and the gear two drives the corresponding flow distribution disc to rotate through the driving rod, so that the centrifugal action of the flow distribution disc on the water flow can be exerted to improve the heat dissipation effect.

[0020] The application can be further configured in a preferred example that a heat dissipation fan is rotationally arranged in the water tank, a transmission shaft for driving the heat dissipation fan to rotate is mounted on the heat dissipation fan, and the transmission shaft is coaxially connected to the output shaft of the motor.

[0021] Through the above technical solution, after the motor is started, on the one hand, the motor drives the flow distribution disc to rotate through the gear one, the gear two and the driving rod, so as to centrifugally separate the water flow; on the other hand, the output shaft of the motor can drive the heat dissipation fan to rotate through the transmission shaft, and the heat dissipation fan in the rotating state can accelerate the flow of the gas in the water tank, so as to accelerate the heat dissipation of the water in the water tank.

[0022] The application can be further configured in a preferred example that the top of the flow distribution disc is provided with a flow distribution protrusion, the top of the flow distribution disc is provided with an annular protrusion, the flow distribution protrusion is located in the middle of the inner side of the annular protrusion, and the annular recess is formed between the flow distribution protrusion and the annular protrusion.

[0023] Through the above technical solution, after the water flow in the return pipe contacts the flow distribution protrusion, the water flow is effectively divided into several streams by the flow distribution protrusion, and after the streams enter the annular recess, the streams splash along the annular protrusion out of the flow distribution disc under the centrifugal action of the flow distribution disc, further increasing the falling time of the water flow in the air, thereby further reducing the heat carried by the water flow.

[0024] The application can be further configured in a preferred example that a plurality of sliding plates are slidably arranged in the water tank in the vertical direction, and the water tank is provided with a driving member for driving the sliding plates to reciprocally move in the vertical direction.

[0025] Through the above technical solution, the driving member drives the sliding plates to slide in the vertical direction, and the sliding plates drive the water in the water tank to continuously surge, so that the water at the bottom of the water tank surges upward, thereby enabling the water and air carrying more heat at the bottom of the water tank to be fully contacted, thereby further increasing the heat dissipation effect.

[0026] The application can be further configured in a preferred example that the driving member is the driving rod, a plurality of the sliding plates and a plurality of the driving rods are one-to-one correspondingly arranged, the driving rod is provided with a reciprocating threaded segment, and the sliding plate is threadedly connected to the corresponding reciprocating threaded segment.

[0027] Through the above technical solution, since the driving rod is provided with a reciprocating threaded segment, the driving rod in the rotating state can drive the sliding plate to reciprocally move in the vertical direction, thereby enabling the water in the water tank to continuously surge and accelerate heat dissipation.

[0028] The application can be further configured in a preferred example that each sliding plate is provided with a guide block, the inner wall of the water tank is provided with a guide groove, and the guide block is slidably arranged in the guide groove.

[0029] Through the above technical solution, under the guidance of the guide block, the possibility of rotation of the sliding plate following the reciprocating threaded segment is reduced, thereby enabling the sliding plate to reciprocally move in the vertical direction.

[0030] In summary, the application has the following beneficial technical effects:

[0031] 1、Through embedding cooling pipe into concrete, and passing water flow into cooling pipe, water flow can take away hydration heat inside concrete, so that heat generated in concrete pouring process can be dissipated. And through temperature sensor detecting water flow temperature, water flow can be adjusted, so that temperature control of concrete pouring can be realized;

[0032] 2、Through rotating state shunt disc, backflow water can be shunted and centrifuged, so that contact area of water and air can be increased, and water flow falling time in air can be prolonged, so that water flow cooling speed can be accelerated, so that more heat can be taken away after water flow re-enters cooling pipe, so as to increase heat dissipation effect;

[0033] 3、Through setting heat dissipation fan, gas flow in water tank can be accelerated, so that heat dissipation of water in water tank can be accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is overall structure schematic diagram of the embodiment of the application, mainly showing structure of water tank and cooling pipe.

[0035] Figure 2 It is Figure 1 partial cross-sectional schematic diagram, mainly showing structure of driving assembly, heat dissipation fan and sliding plate.

[0036] Figure 3 It is partial structure schematic diagram of the embodiment of the application, mainly showing structure of shunt disc.

[0037] BRIEF DESCRIPTION OF DRAWINGS

[0038] 1、water tank; 11, guide groove; 12, support column; 101, temperature sensor; 102, flow controller; 2, cooling pipe; 21, backflow pipe; 22, water supply pipe; 3, cooling device; 31, shunt disc; 311, shunt protrusion; 312, annular protrusion; 313, annular recess; 4, connecting mechanism; 41, flange; 5, driving assembly; 51, motor; 511, gear one; 52, driving rod; 521, gear two; 522, reciprocating threaded section; 6, heat dissipation fan; 61, transmission shaft; 7, sliding plate; 71, guide block; 8, top cover; 81, hollow groove; 82, handle. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings Figure 1 - the drawings Figure 3 The application will be further described in detail.

[0040] In the embodiment of the application, a temperature control device for mass concrete pouring is disclosed.

[0041] Refer to the drawings Figure 1 and the drawings Figure 2As shown in the figure, a mass concrete pouring temperature control device includes a water tank 1 and a plurality of cooling pipes 2. The water tank 1 is cylindrical and is used to store cooling water for concrete. The cooling pipes 2 are pre-buried in the concrete pouring area and are used to transmit the cooling water in the water tank 1 to the inside of the concrete to take away the heat generated during the concrete pouring process. The actual shape and length of the cooling pipes 2 can be adjusted according to the actual situation of the construction site, and the figure is only schematic. The top of the water tank 1 is open to facilitate heat dissipation; the bottom of the water tank 1 is fixedly connected with four support columns 12 for supporting the water tank 1, and the four support columns 12 are uniformly distributed along the circumference of the water tank 1.

[0042] Referring to the accompanying Figure 1 and the accompanying Figure 2 As shown in the figure, the water tank 1 is fixedly connected with a plurality of water supply pipes 22 and a plurality of return pipes 21. The water supply pipes 22, the cooling pipes 2 and the return pipes 21 are all made of metal pipe materials with good thermal conductivity. The plurality of water supply pipes 22 and the plurality of cooling pipes 2 are uniformly distributed along the circumference of the water tank 1. The plurality of water supply pipes 22 and the plurality of cooling pipes 2 are arranged one-to-one, and the plurality of return pipes 21 and the plurality of cooling pipes 2 are arranged one-to-one. The two ends of each cooling pipe 2 are respectively communicated with the water tank 1 through the corresponding water supply pipe 22 and return pipe 21, so that the water in the water tank 1 can be returned to the water tank 1 along the water supply pipe 22, the cooling pipe 2 and the return pipe 21 in turn, realizing recycling.

[0043] Referring to the accompanying Figure 1 and the accompanying Figure 2 As shown in the figure, the return pipe 21 is directly above the water supply pipe 22. The water supply pipe 22 and the return pipe 21 are both provided with a connecting mechanism 4, and the connecting mechanism 4 includes a flange 41. The two ends of the cooling pipe 2 are installed on the corresponding water supply pipe 22 and return pipe 21 through the flange 41, realizing detachable connection of the cooling pipe 2.

[0044] Referring to the accompanying Figure 1 and the accompanying Figure 2 As shown in the figure, a temperature sensor 101 is installed on each return pipe 21, and the temperature sensor 101 is used to sense the temperature of the water flow in the return pipe 21. A flow controller 102 is installed on each water supply pipe 22, and the flow controller 102 is used to control the flow of water in the water supply pipe 22. The temperature sensor 101 and the corresponding flow controller 102 are electrically connected.

[0045] Before the concrete pouring, the operator first embeds the cooling pipe 2 according to the actual situation on site, reasonably arranges the position of the cooling pipe 2, and installs the two ends of the cooling pipe 2 on the water supply pipe 22 and the return pipe 21 through the flanges 41. Then, the temperature threshold of the temperature sensor 101 is set. Then, after the concrete pouring starts, the water in the water tank 1 is introduced into the cooling pipe 2 through the water supply pipe 22, and the flowing water flow can take away the heat generated in the concrete, so that the heat generated in the concrete pouring process can be dissipated.

[0046] When the temperature sensor 101 senses that the return water temperature of the cooling pipe 2 reaches the temperature threshold, the flow controller 102 increases the water flow to take away more heat to improve the heat dissipation effect, realizing intelligent control of adjusting the flow by sensing the water temperature.

[0047] Referring to FIGS. 1 and 2, Figure 2 and FIGS. 3 and 4, Figure 3 the water tank 1 is provided with a cooling device 3 for cooling the water returned by the cooling pipe 2. The cooling device 3 includes a plurality of shunt discs 31 rotatably arranged in the water tank 1, and the radius of the shunt disc 31 is greater than the outer diameter of the return pipe 21. The plurality of shunt discs 31 and the plurality of cooling pipes 2 are correspondingly arranged, the end of the return pipe 21 extending into the water tank 1 is vertically arranged, and the shunt disc 31 is directly below the corresponding end of the return pipe 21.

[0048] Referring to FIGS. 1 and 2, Figure 2 and FIGS. 3 and 4, Figure 3 the water tank 1 is provided with a driving assembly 5 for driving the shunt disc 31 to rotate. The driving assembly 5 includes a motor 51 and a plurality of driving rods 52, which are all arranged in the water tank 1. The output shaft of the motor 51 is arranged upward, and each driving rod 52 is vertically arranged. The plurality of driving rods 52 are fixedly connected to the bottom surface of the plurality of shunt discs 31 one by one. A gear one 511 is coaxially fixedly connected to the output shaft of the motor 51, and a gear two 521 is coaxially fixedly connected to each driving rod 52. Each gear two 521 is engaged with the gear one 511.

[0049] Referring to FIGS. 1 and 2, Figure 2 and FIGS. 3 and 4, Figure 3 the top surface of the shunt disc 31 is provided with a shunt protrusion 311 in the middle, the shunt protrusion 311 is a tapered structure with a thin top and a sharp bottom, the top of the shunt disc 31 is provided with an annular protrusion 312, and the annular protrusion 312 is convex on the outside and concave on the inside. The shunt protrusion 311 is located in the middle of the inner side of the annular protrusion 312, and the shunt protrusion 311 and the annular protrusion 312 form an annular recess 313 therebetween.

[0050] After the water flowing into the water tank 1 through the return pipe 21 comes into contact with the diversion protrusion 311, the water flow is divided into several fine streams. Driven by the motor 51, the diversion plate 31 can generate centrifugal force on the fine streams. Therefore, the fine streams can splash out of the diversion plate 31 in sequence along the diversion protrusion 311, the annular recess 313 and the annular protrusion 312. This increases the contact area between water and air and prolongs the time the water flows in the air, thereby accelerating the cooling speed of the water flow. This allows the water flow to carry away more heat after re-entering the cooling pipe 2, thus increasing the heat dissipation effect.

[0051] See attached document Figure 2 and attached Figure 3 As shown, a cooling fan 6 is rotatably installed inside the water tank 1. A drive shaft 61 for driving the cooling fan 6 to rotate is coaxially fixed to the bottom of the cooling fan 6. The drive shaft 61 is coaxially fixed to the output shaft of the motor 51. Therefore, the motor 51 can not only drive several distribution plates 31 to rotate, but also drive the cooling fan 6 to rotate, so as to accelerate the gas flow inside the water tank 1, thereby accelerating the heat dissipation of the water inside the water tank 1.

[0052] See attached document Figure 1 As shown, the top of the water tank 1 is open, and a top cover 8 is hinged to the side wall of the water tank 1 to prevent the operator from being injured by heat dissipation. The top cover 8 can close onto the top surface of the water tank 1, and several perforated slots 81 are opened on the top cover 8 to facilitate timely heat dissipation. A handle 82 is fixedly connected to the top of the top cover 8, so that the operator can lift the top cover 8 to clean the inner wall of the water tank 1 or to inspect or replace the parts inside the water tank 1.

[0053] See attached document Figure 2 As shown, several sliding plates 7 are vertically slidable inside the water tank 1. Each sliding plate 7 corresponds to a driving rod 52. The water tank 1 contains a driving component, namely the driving rod 52, for driving the sliding plates 7 to reciprocate vertically. Each driving rod 52 has a reciprocating thread section 522, and the sliding plate 7 is threadedly connected to the corresponding reciprocating thread section 522. A guide block 71 is provided on the side of each sliding plate 7 away from the drive shaft 61. The guide block 71 and the corresponding sliding plate 7 are integrally formed. A guide groove 11 is vertically formed on the inner wall of the water tank 1 for the guide block 71 to slide. The length of the guide groove 11 is the same as the length of the reciprocating thread section 522.

[0054] The drive rod 52 can not only drive the diverter plate 31 to rotate, but also drive the sliding plate 7 to reciprocate in the vertical direction through the reciprocating thread section 522, so that the water at the bottom of the water tank 1 carrying more heat surges upward and comes into contact with the air, thereby further accelerating the heat dissipation speed.

[0055] The implementation principle of the embodiment is that an operator first plans the embedding path and embedding quantity of the cooling pipe 2 according to the actual situation on site, and embeds the cooling pipe 2 in the predetermined path.

[0056] Then, the temperature threshold of the temperature sensor 101 is set to detect the temperature of the water flowing back in the cooling pipe 2.

[0057] Then, the concrete pouring construction is started, and the cooling water in the water tank 1 is introduced into the cooling pipe 2 through the water supply pipe 22.

[0058] Finally, the motor 51 is started, and the motor 51 can indirectly drive the shunt disc 31 and the cooling fan 6 to rotate, so as to cool the water in the water tank 1.

[0059] The hydration heat of the concrete is taken away by the water flow, so that the heat generated in the concrete pouring process can be dissipated. When the temperature sensor 101 senses that the temperature of the backflowing water reaches the temperature threshold, the flow controller 102 increases the water flow to take away more heat, so as to improve the cooling effect, and realizes the intelligent control of adjusting the flow by sensing the water temperature.

[0060] The embodiments of the specific implementation are the preferred embodiments of the application, and do not limit the protection scope of the application in sequence, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A temperature control apparatus for mass concrete placement, characterized by: The utility model provides a cooling device for concrete pouring area, including water tank (1), temperature sensor (101), flow controller (102) and several cooling pipes (2), several cooling pipes (2) are all previously buried in concrete pouring area, both ends of each cooling pipe (2) are communicated with water tank (1), flow controller (102) is used to control the flow of water flow in cooling pipe (2), temperature sensor (101) is used to sense the temperature of water body that returns in cooling pipe (2), temperature sensor (101) and flow controller (102) are electrically connected, water tank (1) is provided with cooling device (3), cooling device (3) is used to cool the water that returns in cooling pipe (2) and carries out cooling treatment; Several water supply pipes (22) and several return pipes (21) are installed on the water tank (1), the temperature sensor (101) is installed on the return pipe (21), the flow controller (102) is installed on the water supply pipe (22), several water supply pipes (22) and several cooling pipes (2) are correspondingly arranged, several return pipes (21) and several cooling pipes (2) are correspondingly arranged, both ends of each cooling pipe (2) are communicated with the water tank (1) through the corresponding water supply pipe (22) and return pipe (21) respectively, the water supply pipe (22) and the return pipe (21) are provided with a connecting mechanism (4), both ends of the cooling pipe (2) are installed on the corresponding water supply pipe (22) and return pipe (21) through the connecting mechanism (4); The connecting mechanism (4) includes a flange (41), the cooling pipe (2) and the corresponding water supply pipe (22), return pipe (21) are connected through the flange (41); The cooling device (3) includes several shunt discs (31), several shunt discs (31) are rotatably arranged in the water tank (1), several shunt discs (31) and several cooling pipes (2) are correspondingly arranged, the shunt disc (31) is directly below the one end of the return pipe (21) in the water tank (1), the water tank (1) is provided with a driving assembly (5) for driving several shunt discs (31) to rotate; The driving assembly (5) includes a motor (51) and several drive rods (52) in the water tank (1), several drive rods (52) are fixedly connected to several shunt discs (31) one by one, a gear one (511) is installed on the output shaft of the motor (51), a gear two (521) is installed on each drive rod (52), and each gear two (521) is engaged with the gear one (511).

2. A mass concrete placement temperature control apparatus according to claim 1, wherein: A cooling fan (6) is rotatably arranged in the water tank (1), a transmission shaft (61) for driving the cooling fan (6) to rotate is installed on the cooling fan (6), and the transmission shaft (61) is coaxially connected to the output shaft of the motor (51).

3. A mass concrete placement temperature control apparatus as defined in claim 1, wherein: The top of the flow distribution disc (31) is provided with a flow distribution protrusion (311), the top of the flow distribution disc (31) is provided with an annular protrusion (312), the flow distribution protrusion (311) is located in the middle of the inner side of the annular protrusion (312), and an annular recess (313) is formed between the flow distribution protrusion (311) and the annular protrusion (312).

4. A mass concrete placement temperature control apparatus as defined in claim 1, wherein: A plurality of sliding plates (7) are arranged in the water tank (1) to slide in the vertical direction, and a driving member for driving the sliding plates (7) to reciprocatingly move in the vertical direction is arranged in the water tank (1).

5. A mass concrete placement temperature control apparatus according to claim 4, wherein: The driving member is the driving rod (52), a plurality of the sliding plates (7) and a plurality of the driving rods (52) are arranged in one-to-one correspondence, a reciprocating threaded section (522) is arranged on the driving rod (52), and the sliding plate (7) is threadedly connected to the corresponding reciprocating threaded section (522).

6. A mass concrete placement temperature control apparatus according to claim 5, wherein: A guide block (71) is arranged on each sliding plate (7), a guide groove (11) is formed in the inner wall of the water tank (1), and the guide block (71) is slidingly arranged in the guide groove (11).

Images