Massive concrete pipe cooling device

Abstract

The utility model discloses a mass concrete pipe type cooling device relates to mass concrete temperature control technical field, including metal straight pipe and flexible rubber elbow, be equipped with quick detachable connecting piece between metal straight pipe and flexible rubber elbow, the flexible rubber elbow adopts multilayer composite structure, the flexible rubber elbow is from inside to outside in proper order and is inside lining, first heat conduction reinforcing layer, support framework layer, second heat conduction reinforcing layer and outer protective layer, the utility model discloses a quick detachable connecting piece is arranged between metal straight pipe and flexible rubber elbow, has realized the quick assembly and disassembly in the steel bar intensive space, has saved operation time compared with traditional clamp connection, and has prevented the sealing failure caused by insufficient wrench space.

Description

Technical Field

[0001] This utility model relates to the field of temperature control technology for large-volume concrete, specifically a tubular cooling device for large-volume concrete. Background Technology

[0002] Mass concrete plays a crucial role in modern engineering construction, especially in high-rise building foundations, large equipment foundations, and water conservancy projects. Its construction quality directly affects the safety, stability, and durability of the entire structure. However, due to its massive volume and thick structure, the cement hydration reaction during pouring of mass concrete releases a large amount of heat, causing the internal temperature of the concrete to rise rapidly. Since concrete is a poor conductor of heat, the heat is difficult to dissipate quickly, resulting in a significant temperature difference between the interior and surface of the concrete, thus generating thermal stress. When this thermal stress exceeds the early tensile strength of the concrete, it can easily lead to the formation of temperature cracks.

[0003] In the construction of large-volume concrete, temperature control and crack prevention are crucial for ensuring project quality. To effectively control the internal temperature of concrete and reduce the temperature difference between the inside and outside, various temperature control measures are widely adopted in the engineering field. Among them, pre-embedded cooling water pipes for water cooling are a widely used and effective method. This method involves laying cooling water pipes of a specific size inside the concrete, and then circulating cooling water after the concrete is poured. The circulating water carries away the heat of hydration, thereby reducing the internal temperature of the concrete.

[0004] Traditional cooling water pipes typically consist of straight metal pipes and metal bends arranged in a loop. These pipes are usually connected by welding or threaded connections. However, the metal bends are prone to interfering with reinforcing steel bars during installation, often requiring fine-tuning of the steel bars' positions on-site. Some projects use flexible rubber bends to address the issue of misalignment of metal bends. However, existing flexible rubber bends still have certain problems. Firstly, they are generally connected to the straight metal pipes using clamps, which is very inconvenient in densely reinforced concrete structures. Secondly, existing flexible bends have weak support and thermal conductivity, affecting the cooling effect of the concrete in the bend section.

[0005] Based on this, a large-volume concrete tube cooling device is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0006] The purpose of this invention is to provide a large-volume concrete tube cooling device to solve the problems in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: A large-volume concrete tubular cooling device includes a metal straight pipe and a flexible rubber bend. A quick-release connector is provided between the metal straight pipe and the flexible rubber bend. The flexible rubber bend adopts a multi-layer composite structure, which consists of an inner lining layer, a first thermally conductive reinforcing layer, a supporting skeleton layer, a second thermally conductive reinforcing layer, and an outer protective layer from the inside to the outside.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions: In one alternative: the end of the straight metal tube is provided with a tube section for connection with a quick-release connector.

[0009] In one alternative embodiment: the quick-release connector includes a slot disposed at the end of a flexible rubber bend, the slot having a seal, the end of the flexible rubber bend having a mounting base, and the connector being rotatably mounted on the mounting base.

[0010] In one alternative embodiment, the seal includes a plurality of rubber protrusions disposed on the inner wall of the slot and a sealing ring disposed on the inner side of the slot.

[0011] In one alternative: the connector includes a rotating seat rotatably mounted on a mounting base, one end of the rotating seat having a connecting end that is threadedly connected to a straight metal pipe.

[0012] In one alternative: the inner liner is made of thermally conductive silicone rubber, the outer sheath is made of thermally conductive nitrile rubber, and both the inner liner and the outer sheath are filled with carbon fiber.

[0013] In one alternative: both the first thermally conductive reinforcement layer and the second thermally conductive reinforcement layer are made of copper braided mesh.

[0014] In one alternative: a stainless steel helical spring is provided within the support frame layer.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model achieves rapid assembly and disassembly in densely reinforced spaces by setting a quick-release connector between the metal straight pipe and the flexible rubber bend. It saves operation time compared with the traditional clamp connection and eliminates sealing failure caused by insufficient wrench space.

[0016] 2. This utility model uses a composite pipe wall structure consisting of a double-layer copper braided mesh thermally conductive reinforcing layer, a thermally conductive carbon fiber-filled silicone rubber inner lining layer, a thermally conductive carbon fiber-filled nitrile rubber outer sheath layer, and a stainless steel spiral spring skeleton layer. This structure enhances both the thermal conductivity and rigid support capacity of the flexible rubber bend. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the quick-release connector in this utility model.

[0019] Figure 3 This is a schematic diagram of the flexible rubber bend in this utility model.

[0020] Figure reference numerals: 100, straight metal tube; 101, insertion section; 200, flexible rubber bend; 201, inner lining layer; 202, first thermally conductive reinforcement layer; 203, support frame layer; 204, second thermally conductive reinforcement layer; 205, outer protective layer; 206, stainless steel helical spring; 300, quick-release connector; 301, slot; 302, rubber protrusion ring; 303, sealing ring; 304, mounting base; 305, rotating base; 306, connecting end. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] In one embodiment, such as Figures 1-3 As shown, a large-volume concrete pipe cooling device includes a metal straight pipe 100 and a flexible rubber bend 200. A quick-release connector 300 is provided between the metal straight pipe 100 and the flexible rubber bend 200. The flexible rubber bend 200 adopts a multi-layer composite structure. From the inside to the outside, the flexible rubber bend 200 consists of an inner lining layer 201, a first thermally conductive reinforcing layer 202, a supporting skeleton layer 203, a second thermally conductive reinforcing layer 204, and an outer protective layer 205. The multi-layer composite structure composed of the inner lining layer 201, the first thermally conductive reinforcing layer 202, the supporting skeleton layer 203, the second thermally conductive reinforcing layer 204, and the outer protective layer 205 enhances the thermal conductivity and support capacity of the flexible rubber bend 200. In use, several metal straight pipes 100 are connected to the flexible rubber bend 200 through the quick-release connector 300 to form a loop-shaped cooling pipe.

[0023] In one embodiment, such as Figure 2As shown, the end of the straight metal tube 100 is provided with a tube section 101 for connection with the quick-release connector 300. The quick-release connector 300 includes a slot 301 provided at the end of the flexible rubber bend 200, a sealing element is provided in the slot 301, and the end of the flexible rubber bend 200 is provided with a mounting base 304. The connector is rotatably mounted on the mounting base 304. The sealing element includes several rubber protruding rings 302 provided on the inner wall of the slot 301 and a sealing ring 303 provided on the inner side of the slot 301. The connector includes... The rotating seat 305 is rotatably mounted on the mounting base 304. One end of the rotating seat 305 is provided with a connecting end 306, which is threadedly connected to the straight metal tube 100. When connecting, the insertion tube section 101 is inserted into the slot 301, and then the connecting end 306 is rotated to make the connecting end 306 threadedly connected to the straight metal tube 100. At the same time, the insertion tube section 101 is moved into the slot 301, so that the end of the insertion tube section 101 abuts against the sealing ring 303, and the rubber convex ring 302 is tightly attached to the surface of the insertion tube section 101.

[0024] In one embodiment, such as Figure 3 As shown, the inner liner 201 is made of thermally conductive silicone rubber, and the outer sheath 205 is made of thermally conductive nitrile rubber. Both the inner liner 201 and the outer sheath 205 are filled with carbon fiber. Thermally conductive silicone rubber and thermally conductive nitrile rubber have good thermal conductivity. By filling with carbon fiber, the thermal conductivity can be further improved, and the tear resistance can be enhanced.

[0025] In one embodiment, such as Figure 3 As shown, both the first thermally conductive reinforcement layer 202 and the second thermally conductive reinforcement layer 204 are made of copper braided mesh, which has excellent thermal conductivity.

[0026] In one embodiment, such as Figure 3 As shown, a stainless steel helical spring 206 is provided inside the support frame layer 203. The stainless steel helical spring 206 enhances the negative pressure resistance of the flexible rubber bend 200 and prevents the flexible rubber bend 200 from collapsing under the pressure of concrete.

[0027] The above embodiment discloses a large-volume concrete pipe cooling device. In use, several straight metal pipes 100 and flexible rubber bends 200 are connected by quick-release connectors 300 to form a loop-shaped cooling pipe. During connection, the insert section 101 is inserted into the slot 301, and then the connecting end 306 is rotated to make the connecting end 306 threadedly connected to the straight metal pipe 100. At the same time, the insert section 101 is moved into the slot 301, so that the end of the insert section 101 abuts against the sealing ring 303, and the rubber convex ring 302 is tightly attached to the surface of the insert section 101.

[0028] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A large-volume concrete tubular cooling device, comprising a straight metal pipe (100) and a flexible rubber bend (200), characterized in that, A quick-release connector (300) is provided between the metal straight pipe (100) and the flexible rubber bend (200). The flexible rubber bend (200) adopts a multi-layer composite structure. The flexible rubber bend (200) consists of an inner lining layer (201), a first thermally conductive reinforcement layer (202), a support skeleton layer (203), a second thermally conductive reinforcement layer (204), and an outer protective layer (205) from the inside to the outside.

2. The large-volume concrete tube cooling device according to claim 1, characterized in that, The end of the metal straight tube (100) is provided with a tube section (101) for connection with the quick-release connector (300).

3. A large-volume concrete tube cooling device according to claim 2, characterized in that, The quick-release connector (300) includes a slot (301) provided at the end of the flexible rubber bend (200), a seal is provided in the slot (301), and a mounting seat (304) is provided at the end of the flexible rubber bend (200), on which the connector is rotatably mounted.

4. A large-volume concrete tube cooling device according to claim 3, characterized in that, The sealing element includes a plurality of rubber protrusions (302) disposed on the inner wall of the slot (301) and a sealing ring (303) disposed on the inner side of the slot (301).

5. A large-volume concrete tube cooling device according to claim 3, characterized in that, The connector includes a rotating seat (305) rotatably mounted on a mounting base (304), one end of which is provided with a connecting end (306), which is threadedly connected to a straight metal tube (100).

6. A large-volume concrete tube cooling device according to claim 1, characterized in that, The inner liner (201) is made of thermally conductive silicone rubber, and the outer sheath (205) is made of thermally conductive nitrile rubber. Both the inner liner (201) and the outer sheath (205) are filled with carbon fiber.

7. A large-volume concrete tube cooling device according to claim 1, characterized in that, Both the first thermally conductive reinforcement layer (202) and the second thermally conductive reinforcement layer (204) are made of copper braided mesh.

8. A large-volume concrete tube cooling device according to claim 1, characterized in that, The supporting frame layer (203) is equipped with a stainless steel helical spring (206).

Images