Concrete temperature control cooling water pipe arrangement structure for pump gate engineering

Abstract

The utility model discloses a concrete temperature control cooling water pipe arrangement structure for pump gate engineering. The concrete temperature control cooling water pipe arrangement structure comprises a cooling module arranged in a pump gate concrete structure. The cooling module is of a sheet-shaped structure formed by surrounding a working water pipe in a concentric-square shape, the water inlet end of the working water pipe is located in the center of the sheet-shaped structure, the working water pipe extends from the center of the sheet-shaped structure to the periphery to be coiled, and the water outlet end of the working water pipe is located on the outermost periphery of the sheet-shaped structure. The water inlet end and the water outlet end of the working water pipe are connected with the water outlet end and the water inlet end of the cold water station respectively. The cooling module has the advantages that the cooling module is arranged in a concentric-square shape, so that cooling water in the working water pipe forms a pattern that the center water temperature is low and the outer side water temperature is high, the pattern is matched with the temperature field distribution rule of a concrete structure, and the healthy and stable temperature control effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of pump gate engineering construction technology, and in particular to a concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering. Background Technology

[0002] Currently, systematic temperature control measures in water conservancy projects are mostly applied to large-scale water conservancy projects, such as concrete gravity dams and arch dams, and are less commonly used in small and medium-sized water conservancy projects.

[0003] Pump gate projects involve large volumes of concrete with concentrated material usage, essentially reaching the level of large-volume concrete. The complex structures of gate slots, flow channels, and embedded parts in pump gate projects, along with numerous stress concentration points, necessitate increasingly sophisticated management of project quality and safety. In recent years, temperature cracks have become increasingly common in small and medium-sized pump gate projects, making temperature control of large-volume concrete in pump gate projects a prominent issue. The neglect of temperature control in traditional construction processes has gradually become a weakness in project quality. Most small and medium-sized pump gate projects use ready-mixed concrete, which has a relatively high initial temperature upon placement. Controlling the heat of hydration during construction is difficult, making concrete temperature control a key and challenging aspect of large-volume pump gate projects.

[0004] Currently, one of the common measures for temperature control of large-volume concrete in water conservancy projects is the pre-embedding of cooling water pipes. This is widely used in the construction of concrete dams, where the dam pouring section is usually cast as a single section of plain concrete, making large-scale pre-embedding of cooling water pipes a unique condition. However, pump stations and sluice gates are reinforced concrete structures with complex individual structures, often requiring phased pouring. The dense steel reinforcement mesh makes it difficult to cover all areas when laying cooling water pipes, which also brings difficulties to the construction of cooling water pipes.

[0005] Traditional cold water pipe layouts often employ an "arch" shape, with a single cooling water pipe running through the entire structure. This method is typically quite long, and while simple to implement, it results in a long cooling water path, low heat exchange efficiency, and the inherent temperature characteristics of concrete, where the temperature is usually highest at the center and decreases towards the perimeter. Furthermore, the "arch" shape directs the cooling water in a single direction, which doesn't match the actual temperature field of the structure. This is particularly problematic in pump and gate slabs and pier walls, where this arrangement significantly reduces the cooling efficiency of the cooling water pipes. Utility Model Content

[0006] The purpose of this invention is to provide a concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering, thereby solving the aforementioned problems existing in the prior art.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering includes a cooling module installed in the concrete structure of the pump gate; the cooling module is a sheet-like structure formed by working water pipes arranged in a "U" shape, the inlet end of the working water pipe is located at the center of the sheet-like structure, the working water pipes extend and coil from the center of the sheet-like structure to the surrounding area, and the outlet end of the working water pipe is located at the outermost edge of the sheet-like structure; the inlet end and outlet end of the working water pipe are respectively connected to the outlet end and inlet end of the cooling water station.

[0009] Preferably, the concrete structure of the pump gate includes the concrete structure of the pump gate bottom slab and the concrete structure of the pump gate pier wall;

[0010] Multiple cooling modules are arranged in parallel along the horizontal direction in the concrete structure of the pump gate base plate;

[0011] Multiple cooling modules are arranged in parallel along the vertical direction in the concrete structure of the pump gate pier wall.

[0012] Preferably, the cooling module is arranged in a single layer or multiple layers in the concrete structure of the pump gate base plate.

[0013] Preferably, the arrangement height of the cooling modules in the concrete structure of the pump gate pier wall is determined according to the staged pouring elevation of the pier wall.

[0014] Preferably, each cooling module can work independently or be coordinated and controlled according to changes in the overall structural stress.

[0015] Preferably, the working water pipe is fixed in parallel to the middle of the steel mesh of the pump gate concrete structure by a pipe rack.

[0016] Preferably, the pipe rack includes a steel support plate and a reinforcing bar support. The steel support plate is sleeved and welded to the outside of the working water pipe. Multiple outwardly extending reinforcing bar supports are arranged sequentially at intervals along the circumference of the outside of the steel support plate. The reinforcing bar supports are welded to the reinforcing bar mesh.

[0017] Preferably, the arrangement structure further includes a main water supply pipe, which includes an inlet pipe and an outlet pipe that are respectively connected to the outlet and inlet of the cold water station, and the inlet pipe and outlet pipe are respectively connected to the inlet and outlet of the working water pipe.

[0018] Preferably, the working water pipe is made of high thermal conductivity steel pipe.

[0019] Preferably, the overall dimensions of the cooling module and the spacing of the working water pipes are adjusted based on the dimensions and temperature stress of the pump gate concrete structure.

[0020] The beneficial effects of this utility model are as follows: 1. Due to the diverse structures and different construction sequences of various parts, the cooling module adopts a modular arrangement. Each module can work independently or be linked and adjusted according to the stress changes of the overall structure, achieving precise control of the concrete temperature of each part. 2. The cooling module can adjust the size and spacing of the working water pipes according to the construction sequence and structural size differences, achieving full temperature control coverage and stronger adaptability to the structure. 3. The cooling module adopts a multi-module matrix arrangement. Compared with a single water pipe running through the entire structure, its heat exchange efficiency is significantly improved, enabling uniform temperature suppression and cooling of the entire structure, and effectively eliminating the adverse effects of temperature rebound of long pipe cooling water. 4. The temperature at the center of the concrete structure is high, and the temperature at the edge is low. The working water pipes in the cooling module adopt a "U"-shaped arrangement, with the inlet end directly connected to the center of the structure, extending and coiling from the center to the surrounding areas. This creates a pattern of low water temperature at the center and high water temperature at the outer edges, matching the temperature field distribution law of the concrete structure, resulting in a wider coverage, higher cooling efficiency, and a healthier and more stable temperature control effect. Attached Figure Description

[0021] Figure 1 This is a plan view of the cooling module of the concrete structure of the pump gate bottom plate in this embodiment of the utility model;

[0022] Figure 2 This is an elevation layout diagram of the concrete structure cooling module of the pump gate pier wall in this embodiment of the utility model;

[0023] Figure 3 This is a cross-sectional view of the cooling module arrangement in an embodiment of this utility model;

[0024] Figure 4 This is a structural diagram of the pipe rack in an embodiment of this utility model.

[0025] In the diagram: 1. Main water supply pipe; 2. Cooling module; 3. Working water pipe; 4. Cold water station; 5. Pipe rack; 51. Steel support plate; 52. Rebar support. Detailed Implementation

[0026] 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. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0027] In this embodiment, considering the structural characteristics of large-volume concrete in pump gate engineering, and in order to improve the concrete temperature control and crack prevention measures and effectively enhance the application effect of cooling water pipes in pump gate engineering, a concrete temperature control cooling water pipe arrangement structure for pump gate engineering is provided.

[0028] like Figures 1 to 2As shown, the arrangement structure includes a cooling module 2 installed in the concrete structure of the pump gate; the cooling module 2 is a sheet-like structure formed by working water pipes 3 arranged in a "U" shape, the inlet end of the working water pipes 3 is located at the center of the sheet-like structure, the working water pipes 3 extend and coil from the center of the sheet-like structure to the surrounding area, and the outlet end of the working water pipes 3 is located at the outermost edge of the sheet-like structure; the inlet end and outlet end of the working water pipes 3 are respectively connected to the outlet end and inlet end of the cooling water station 4.

[0029] The "U"-shaped cooling module 2, as the cooling water flows continuously in the working water pipe 3 and absorbs the heat of concrete hydration, forms a pattern where the water temperature is low in the center and high on the outside, greatly improving the cooling efficiency.

[0030] In this embodiment, the concrete structure of the pump gate includes the concrete structure of the pump gate bottom slab and the concrete structure of the pump gate pier wall.

[0031] like Figure 1 As shown, multiple cooling modules 2 are arranged side-by-side in the horizontal direction within the concrete structure of the pump gate base slab. The cooling modules 2 are arranged in a single layer or multiple layers within the concrete structure of the pump gate base slab.

[0032] like Figure 2 As shown, multiple cooling modules 2 are arranged in parallel along the vertical direction in the concrete structure of the pump gate pier wall. The arrangement height of the cooling modules 2 in the concrete structure of the pump gate pier wall is determined according to the staged pouring elevation of the pier wall.

[0033] In this embodiment, each cooling module 2 can operate independently or be dynamically adjusted according to changes in the overall structural stress. The specific selection is made based on actual conditions to better meet operational requirements.

[0034] In this embodiment, the overall dimensions of the cooling module 2 and the spacing of the working water pipes 3 are adjusted based on the dimensions and temperature stress calculations of the pump gate concrete structure. Specific settings are made according to actual conditions to better meet operational requirements.

[0035] like Figure 3 and Figure 4 As shown, in this embodiment, the working water pipe 3 is made of high thermal conductivity steel pipe, which is fixed parallel to the middle of the steel reinforcement mesh of the pump gate concrete structure by a pipe support 5. The pipe support 5 includes a steel support plate 51 and a steel reinforcement bracket 52. The steel support plate 51 is sleeved and welded to the outside of the working water pipe 3. Multiple outwardly extending steel reinforcement brackets 52 are arranged sequentially at intervals along the circumference of the outer side of the steel support plate 51. The steel reinforcement brackets 52 are welded to the steel reinforcement mesh. Multiple pipe supports 5 are arranged sequentially at intervals along the length of the working water pipe 3, and the working water pipe 3 is fixed to the middle of the steel reinforcement mesh by the combined action of multiple pipe supports 5.

[0036] In this embodiment, the installation of cooling module 2 is carried out simultaneously with the construction of the steel mesh, and cooling module 2 is installed in stages according to the construction sequence of the pump gate concrete structure.

[0037] In this embodiment, the arrangement structure also includes a main water supply pipe 1, which includes an inlet pipe and an outlet pipe connected to the outlet and inlet ends of the cooling water station 4, respectively. The inlet and outlet pipes are connected to the inlet and outlet ends of the working water pipe 3, respectively. The main water supply pipe 1 is used to transport cooling water from the cooling station to each cooling module 2.

[0038] By adopting the above-disclosed technical solution of this utility model, the following beneficial effects are obtained:

[0039] This invention provides a concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering. Due to the diverse structures and different construction sequences of various parts, the cooling modules adopt a modular arrangement. Each module can work independently or be linked and adjusted according to the stress changes of the overall structure, achieving precise control of the concrete temperature in each part. The cooling modules can adjust the size and spacing of the working water pipes according to the construction sequence and structural size differences, achieving full temperature control coverage and stronger adaptability to the structure. The cooling modules adopt a multi-module matrix arrangement, which significantly improves the heat exchange efficiency compared to a single water pipe running through the entire structure. It can achieve uniform temperature suppression and cooling throughout the structure and effectively eliminate the adverse effects of temperature rebound of long pipe cooling water. The concrete structure has a high temperature at the center and a low temperature at the edges. The working water pipes in the cooling modules adopt a "U"-shaped arrangement, with the inlet end directly connected to the center of the structure and extending and coiling outwards from the center. This creates a pattern in the cooling water pipes where the water temperature is low at the center and high at the outer edges, matching the temperature field distribution of the concrete structure. This results in a wider coverage area, higher cooling efficiency, and a healthier and more stable temperature control effect.

[0040] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering, characterized in that: The system includes a cooling module installed in the concrete structure of the pump gate. The cooling module is a sheet-like structure formed by working water pipes arranged in a "U" shape. The inlet end of the working water pipes is located at the center of the sheet-like structure, and the working water pipes extend and coil outwards from the center of the sheet-like structure. The outlet end of the working water pipes is located at the outermost edge of the sheet-like structure. The inlet end and outlet end of the working water pipes are connected to the outlet end and inlet end of the cooling water station, respectively.

2. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 1, characterized in that: The concrete structure of the pump gate includes the concrete structure of the pump gate base slab and the concrete structure of the pump gate pier wall; Multiple cooling modules are arranged in parallel along the horizontal direction in the concrete structure of the pump gate base plate; Multiple cooling modules are arranged in parallel along the vertical direction in the concrete structure of the pump gate pier wall.

3. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 2, characterized in that: The cooling modules are arranged in a single-layer or multi-layer manner in the concrete structure of the pump gate bottom slab.

4. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 2, characterized in that: The arrangement height of the cooling modules in the concrete structure of the pump gate pier wall is determined according to the staged pouring elevation of the pier wall.

5. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 2, characterized in that: Each cooling module can work independently or be coordinated and controlled according to changes in the overall structural stress.

6. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 1, characterized in that: The working water pipe is fixed in parallel to the middle of the steel mesh of the pump gate concrete structure by a pipe rack.

7. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 6, characterized in that: The pipe rack includes a steel support plate and a reinforcing bar support. The steel support plate is sleeved and welded to the outside of the working water pipe. Multiple outwardly extending reinforcing bar supports are arranged at intervals along the circumference of the outside of the steel support plate. The reinforcing bar supports are welded to the reinforcing bar mesh.

8. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 1, characterized in that: The layout structure also includes a main water supply pipe, which includes an inlet pipe and an outlet pipe that are respectively connected to the outlet and inlet of the cold water station. The inlet pipe and the outlet pipe are respectively connected to the inlet and outlet of the working water pipe.

9. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 1, characterized in that: The working water pipe is made of high thermal conductivity steel.

10. The concrete temperature-controlled cooling water pipe arrangement structure for pump gate engineering according to claim 1, characterized in that: The installation of cooling modules was carried out simultaneously with the construction of the steel mesh, and the cooling modules were installed in stages according to the construction sequence of the pump gate concrete structure.

Images