阅读说明：本技术 一种大体积混凝土水化热检测装置及控制方法 (Mass concrete hydration heat detection device and control method ) 是由 蒋甫伟 丁浩 曹强 章思亮 安雪蕾 赵震东 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种大体积混凝土水化热检测装置及控制方法,涉及混凝土水化热检测技术领域,包括混凝土主体、碎冰室和检测传感器,所述混凝土主体的内部埋设有冷却管,且冷却管的一侧设置有排水管,所述冷却管与混凝土主体的相交部位外侧设置有软胶护套,且冷却管的另一侧固定有连接法兰,所述连接法兰的一侧连接有波纹管,且波纹管的一侧安装有连接管,所述连接管的两侧设置有阀门,且连接管的中部一侧固定有注水管。本发明的有益效果是：该装置通过对冷却管的设置便于对混凝土主体的内部进行降温,冷却管之间为分层设置,且冷却管之间的分层距离为30cm,分层设置的冷却管能够对混凝土主体内不同水平高度的位置进行降温。(The invention discloses a large-volume concrete hydration heat detection device and a control method, and relates to the technical field of concrete hydration heat detection. The invention has the beneficial effects that: the device is convenient for cool down the inside of concrete body through the setting to the cooling tube, is the layering setting between the cooling tube, and the layering distance between the cooling tube is 30cm, and the cooling tube that the layering set up can cool down the position of different level in the concrete body.)

1. A large-volume concrete hydration heat detection device and a control method thereof comprise a concrete body (1), an ice crushing chamber (14) and a detection sensor (22), and are characterized in that: the concrete cooling structure is characterized in that a cooling pipe (2) is buried in the concrete main body (1), a drain pipe (3) is arranged on one side of the cooling pipe (2), a soft rubber sheath (4) is arranged on the outer side of the intersection position of the cooling pipe (2) and the concrete main body (1), a connecting flange (5) is fixed on the other side of the cooling pipe (2), a corrugated pipe (6) is connected to one side of the connecting flange (5), a connecting pipe (7) is installed on one side of the corrugated pipe (6), valves (8) are arranged on two sides of the connecting pipe (7), a water injection pipe (9) is fixed on one side of the middle of the connecting pipe (7), a water pump (10) is installed on one side of the water injection pipe (9), a water tank (11) is installed on one side of the water pump (10), a filter screen (12) is arranged at the joint of the water pump (10) and the water tank, garrulous ice room (14) are installed in the top of water tank (11), and the top one side of garrulous ice room (14) is provided with feed inlet (15), detection sensor (22) set up in the inboard of concrete body (1), and one side of detecting sensor (22) is connected with connecting wire (23).

2. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: the cooling pipes (2) are arranged in two groups, and the cooling pipes (2) are symmetrical with respect to the transverse center line of the concrete main body (1).

3. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: the cooling pipes (2) are arranged in a layered mode, and the layered distance between the cooling pipes (2) is 30 cm.

4. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: the water tank (11) is communicated with the interior of the cooling pipe (2) through a water pump (10), a water injection pipe (9), a connecting pipe (7) and a corrugated pipe (6), and the corrugated pipe (6) is connected with the cooling pipe (2) through a connecting flange (5).

5. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: the utility model discloses a crushing machine, including garrulous ice room (14), crushing roller (18), broken ice room (14), motor (16) are fixed with in the top middle part of garrulous ice room (14), and the downside of motor (16) is provided with rotation axis (17), the outside of rotation axis (17) is fixed with crushing roller (18), and the outer wall of crushing roller (18) is fixed with broken tooth (19), logical groove (20) have been seted up between garrulous ice room (14) and water tank (11), and the inside that leads to groove (20) is fixed with rust-resistant net.

6. The device and the method for detecting hydration heat of mass concrete according to claim 5, wherein: the crushing roller (18) and the crushing teeth (19) form a rotating structure with the ice crushing chamber (14) through the rotating shaft (17), and the ice crushing chamber (14) is communicated with the inside of the water tank (11) through the through groove (20).

7. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: a cross rod (24) is fixed above the concrete main body (1), and an external sensor (25) is installed at the position, close to the center line of the concrete main body (1), of the cross rod (24).

8. The device and the method for detecting hydration heat of mass concrete according to claim 7, wherein: the cross rod (24) and the concrete main body (1) are in a parallel structure, and the symmetry center of the external sensor (25) in the middle of the cross rod (24) coincides with the symmetry center of the concrete main body (1).

9. The device and the method for detecting hydration heat of mass concrete according to claim 1, wherein: the control method comprises the following specific steps:

a. arranging detection points in the concrete main body (1), arranging a detection sensor (22) at the detection points, and connecting a connecting wire (23) to a PLC control system;

b. a cooling pipe (2) is embedded in the concrete body (1) and is communicated with a water tank (11);

c. detecting hydration heat inside the concrete body (1) through the detection sensor (22), and monitoring a difference value between the detection sensor (22) inside the concrete body (1) and the external sensor (25);

d. cooling water is input into the cooling pipe (2) through the ice crushing chamber (14) and the water tank (11) to cool the concrete body (1), and the hydration heat in the concrete is controlled so as to keep the concrete in a proper temperature range.

Technical Field

The invention relates to the technical field of concrete hydration heat detection, in particular to a large-volume concrete hydration heat detection device and a control method.

Background

The heat of hydration refers to the heat released by a substance when it hydrates. The heat of hydration of cement is also called hardening heat, and is determined by a series of actions including hydration, hydrolysis, and crystallization. Concrete generates heat when it is condensed, and this heat is generated by the reaction of various substances with water, and is called concrete hydration heat. Hydration heat detection is required during concrete processing.

The existing concrete hydration heat detection device cannot be suitable for large-volume concrete, temperature detection points of the concrete are less in arrangement, measurement positions and measurement data are not comprehensive enough, cooling of all areas of the concrete is not facilitated in the using process, and limitation exists in use.

Disclosure of Invention

The invention aims to provide a large-volume concrete hydration heat detection device and a control method, and aims to solve the problems that the conventional concrete hydration heat detection device proposed in the background art cannot be suitable for large-volume concrete, temperature detection points of the concrete are less in arrangement, measurement positions and measurement data are not comprehensive enough, each area of the concrete is not convenient to cool in the use process, and the use is limited.

In order to achieve the purpose, the invention provides the following technical scheme: a large-volume concrete hydration heat detection device and a control method thereof comprise a concrete main body, an ice crushing chamber and a detection sensor, wherein a cooling pipe is buried in the concrete main body, a drain pipe is arranged on one side of the cooling pipe, a soft rubber sheath is arranged on the outer side of the intersection part of the cooling pipe and the concrete main body, a connecting flange is fixed on the other side of the cooling pipe, a corrugated pipe is connected to one side of the connecting flange, a connecting pipe is arranged on one side of the corrugated pipe, valves are arranged on the two sides of the connecting pipe, a water injection pipe is fixed on one side of the middle part of the connecting pipe, a water pump is arranged on one side of the water injection pipe, a water tank is arranged on one side of the water pump, a filter screen is arranged at the joint of the water pump and the water tank, a water inlet is arranged above the water tank, the ice crushing, the detection sensor is arranged on the inner side of the concrete main body, and one side of the detection sensor is connected with a connecting wire.

Preferably, the cooling pipes are arranged in two groups, and the cooling pipes are symmetrical with each other about the transverse center line of the concrete body.

Preferably, the cooling pipes are arranged in a layered mode, and the layered distance between the cooling pipes is 30 cm.

Preferably, the water tank is communicated with the inside of the cooling pipe through a water pump, a water injection pipe, a connecting pipe and a corrugated pipe, and the corrugated pipe is connected with the cooling pipe through a connecting flange.

Preferably, the motor is fixed in the middle of the upper portion of the ice crushing chamber, the lower side of the motor is provided with the rotating shaft, the crushing roller is fixed on the outer side of the rotating shaft, crushing teeth are fixed on the outer wall of the crushing roller, a through groove is formed between the ice crushing chamber and the water tank, and an anti-rust mesh is fixed inside the through groove.

Preferably, the crushing roller and the crushing teeth form a rotating structure with the ice crushing chamber through the rotating shaft, and the ice crushing chamber is communicated with the inside of the water tank through the through groove.

Preferably, a cross bar is fixed above the concrete main body, and an external sensor is installed at a position of the cross bar close to the center line of the concrete main body.

Preferably, a parallel structure is formed between the cross rod and the concrete main body, and the symmetry center of the sensor outside the middle part of the cross rod is superposed with the symmetry center of the concrete main body.

Preferably, the control method comprises the following specific steps:

a. arranging detection points in the concrete main body, arranging detection sensors at the positions of the detection points, and connecting wires to a PLC control system;

b. embedding a cooling pipe in the concrete main body and communicating the cooling pipe with the water tank;

c. detecting hydration heat inside the concrete body through a detection sensor, and monitoring a difference value between the detection sensor inside the concrete body and an external sensor;

d. cooling water is input into the cooling pipe through the ice crushing chamber and the water tank, the concrete body is cooled, and the hydration heat in the concrete is controlled so as to keep the concrete in a proper temperature range.

The invention provides a large-volume concrete hydration heat detection device and a control method, which have the following beneficial effects:

1. according to the invention, the cooling pipes are arranged in a layered manner, the layered distance between the cooling pipes is 30cm, the cooling pipes arranged in a layered manner can cool the positions with different levels in the concrete main body, the outer sides of the intersecting parts of the cooling pipes and the concrete main body are provided with the soft rubber sheaths to protect the intersecting positions, so that the cooling pipes are prevented from being bent and damaged, and the corrugated pipes connected with the cooling pipes can be movably bent and are more flexible to use.

2. The water tank is arranged to provide cooling water for the cooling pipe, and the water pump, the water injection pipe, the connecting pipe and the corrugated pipe are used to introduce the cooling water in the water tank into the cooling pipe, so that the cooling operation of the concrete main body is realized.

3. The ice crushing chamber is convenient to provide low-temperature ice blocks for the water tank and water cooling efficiency, the motor and the rotating shaft are convenient to drive the crushing roller and the crushing teeth to rotate so as to crush the ice blocks in the ice crushing chamber, the ice crushing chamber is communicated with the inside of the water tank through the through grooves, and the anti-rust grids in the through grooves only allow crushed ice of a certain size to pass through and can filter the crushed ice.

4. According to the invention, the concrete main body can be stably detected through the arrangement of the detection sensors, the arrangement of the plurality of groups of vertical detection sensors is convenient for detecting the upper, middle and lower positions in the concrete main body to obtain more measurement positions and measurement data, and the external sensor is arranged at the upper position of the concrete main body to be convenient for measuring the external environment temperature so as to monitor the difference between the detection sensor and the external sensor in the concrete main body.

Drawings

FIG. 1 is a schematic diagram of a top view of a cooling pipe layout of a large-volume concrete hydration heat detection apparatus and a control method according to the present invention;

FIG. 2 is an enlarged schematic structural diagram of the apparatus for detecting hydration heat of mass concrete and the control method of the present invention shown in FIG. 1;

FIG. 3 is a schematic diagram of an elevational structure of a water tank for a large-volume concrete hydration heat detection apparatus and a control method according to the present invention;

FIG. 4 is a schematic diagram of a top view of the arrangement of the detection sensors of the apparatus and the control method for detecting hydration heat of mass concrete according to the present invention;

fig. 5 is a schematic view of a detection sensor layout front view structure of the large-volume concrete hydration heat detection device and the control method of the invention.

In the figure: 1. a concrete body; 2. a cooling tube; 3. a drain pipe; 4. a soft rubber sheath; 5. a connecting flange; 6. a bellows; 7. a connecting pipe; 8. a valve; 9. a water injection pipe; 10. a water pump; 11. a water tank; 12. a filter screen; 13. a water inlet; 14. an ice crushing chamber; 15. a feed inlet; 16. a motor; 17. a rotating shaft; 18. a crushing roller; 19. crushing teeth; 20. a through groove; 21. rust-proof grids; 22. a detection sensor; 23. a connecting wire; 24. a cross bar; 25. an external sensor.

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 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 invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a large-volume concrete hydration heat detection device and a control method thereof comprise a concrete body 1, cooling pipes 2, drain pipes 3, a soft rubber sheath 4, a connecting flange 5, a corrugated pipe 6, a connecting pipe 7, a valve 8, a water injection pipe 9, a water pump 10, a water tank 11, a filter screen 12, a water inlet 13, an ice crushing chamber 14, a feed inlet 15, a motor 16, a rotating shaft 17, a crushing roller 18, crushing teeth 19, a through groove 20, an anti-rust grid 21, a detection sensor 22, a connecting wire 23, a cross rod 24 and an external sensor 25, wherein the cooling pipes 2 are embedded in the concrete body 1, the drain pipes 3 are arranged on one side of the cooling pipes 2, the cooling pipes 2 are arranged in two groups, the cooling pipes 2 are symmetrical relative to the transverse central line of the concrete body 1, the cooling pipes 2 are arranged in a layered manner so as to cool the interior of the concrete body 1, the cooling pipes 2 are arranged in a layered manner, and the layered distance between the, the cooling pipes 2 arranged in layers can cool the positions with different horizontal heights in the concrete main body 1;

a soft rubber sheath 4 is arranged on the outer side of the intersection position of the cooling pipe 2 and the concrete main body 1, a connecting flange 5 is fixed on the other side of the cooling pipe 2, a corrugated pipe 6 is connected on one side of the connecting flange 5, a connecting pipe 7 is installed on one side of the corrugated pipe 6, valves 8 are arranged on two sides of the connecting pipe 7, a water injection pipe 9 is fixed on one side of the middle of the connecting pipe 7, a water pump 10 is installed on one side of the water injection pipe 9, a water tank 11 is installed on one side of the water pump 10, the water tank 11 is communicated with the inside of the cooling pipe 2 through the water pump 10, the water injection pipe 9, the connecting pipe 7 and the corrugated pipe 6, the corrugated pipe 6 is connected with the cooling pipe 2 through the connecting flange 5, and cooling water in the water tank 11 is conveniently led into the cooling pipe 2 through the water pump 10, the water;

a filter screen 12 is arranged at the joint of the water pump 10 and the water tank 11, a water inlet 13 is arranged above the water tank 11, an ice crushing chamber 14 is arranged above the water tank 11, a feed inlet 15 is arranged on one side above the ice crushing chamber 14, a motor 16 is fixed in the middle of the upper part of the ice crushing chamber 14, a rotating shaft 17 is arranged on the lower side of the motor 16, a crushing roller 18 is fixed on the outer side of the rotating shaft 17, crushing teeth 19 are fixed on the outer wall of the crushing roller 18, a through groove 20 is formed between the ice crushing chamber 14 and the water tank 11, an anti-rust grid 21 is fixed inside the through groove 20, the crushing roller 18 and the crushing teeth 19 form a rotating structure with the ice crushing chamber 14 through the rotating shaft 17, the ice crushing chamber 14 is communicated with the inside of the water tank 11 through the through groove 20, and the rotating shaft 17 is convenient for driving the crushing roller 18 and the crushing teeth;

detection sensor 22 sets up in concrete body 1's inboard, and one side of detection sensor 22 is connected with connecting wire 23, the setting of detection sensor 22 is convenient for detect the inside upper and lower position of concrete body 1, acquire more measuring position and measured data, the top of concrete body 1 is fixed with horizontal pole 24, and horizontal pole 24 is close to the position of concrete body 1 central line and installs external sensor 25, be parallel column structure between horizontal pole 24 and the concrete body 1, and the center of symmetry of horizontal pole 24 middle part external sensor 25 coincides with the center of symmetry of concrete body 1, external sensor 25 sets up in the top position of concrete body 1, be convenient for measure external environment temperature, so that monitor the difference between the inside detection sensor 22 of concrete body 1 and the external sensor 25.

The control method comprises the following specific steps:

a. arranging detection points in the concrete body 1, arranging a detection sensor 22 at the detection points, and connecting a connecting wire 23 to a PLC control system;

b. a cooling pipe 2 is embedded in the concrete body 1 and communicated with a water tank 11;

c. detecting hydration heat inside the concrete body 1 by the detection sensor 22, and monitoring a difference between the detection sensor 22 inside the concrete body 1 and the external sensor 25;

d. cooling water is input into the cooling pipe 2 through the ice crushing chamber 14 and the water tank 11 to cool the concrete body 1, and the hydration heat in the concrete is controlled to keep the concrete in a proper temperature range.

To sum up, the device and the method for detecting hydration heat of mass concrete are characterized in that when in use, firstly temperature measuring points can be distributed in concrete, a plurality of groups of detection sensors 22 are vertically arranged, each group is respectively distributed at the upper, middle and lower positions of the concrete main body 1, the arrangement of the plurality of groups of detection sensors 22 is convenient for detecting the upper, middle and lower positions in the concrete main body 1 to obtain more measurement positions and measurement data, in addition, in the horizontal position of the surface of the concrete main body 1, finally, a group of cross rods 24 is erected in the middle part above the concrete main body 1, an external sensor 25 is installed in the middle part to be convenient for measuring the external environment temperature, and a connecting wire 23 connected with the sensors is connected into a PLC control system to be convenient for monitoring the difference value between the detection sensors 22 and the external sensor 25 in the concrete main body 1;

the cooling pipes 2 are buried in the concrete body 1 in a layered manner, wherein the layered distance between the cooling pipes 2 is 30cm, the cooling pipes 2 are symmetrical about the transverse center line of the concrete body 1, the cooling pipes 2 arranged in a layered manner can cool the positions with different levels in the concrete body 1, when the temperature of a certain area of the concrete body 1 is detected to be too high, cooling water can be injected into the water tank 11, and then the cooling water in the water tank 11 is conveniently introduced into the cooling pipes 2 through the water pump 10, the water injection pipe 9, the connecting pipe 7 and the corrugated pipe 6, so that the cooling operation of the concrete body 1 is realized, and the valve 8 of the connecting pipe 7 can be automatically controlled to be opened and closed in the process, so that the water cooling area of the cooling pipes 2 is controlled;

when the cooling effect is not good when the concrete main part 1 is at the high temperature inside, can put into the trash ice room 14 with frozen ice-cube, then be convenient for drive the rotation of crushing roller 18 and broken tooth 19 so that carry out the breakage to the ice-cube of trash ice room 14 inside through rotation axis 17, the inside that rustproof net 21 entered into water tank 11 is passed to the trash ice after the breakage, along with entering into cooling tube 2 through water pump 10 and cooling concrete main part 1, can also control the inside and outside difference in temperature and adjust the cooling rate at each layer through the regulation water yield size, accomplish the use of whole bulky concrete hydration heat detection device and control method like this.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.