仰拱预制块养护设备

Abstract

本发明公开了仰拱预制块养护设备，包括：中间模块和六个外侧模块，中间模块和六个外侧模块均为六边形，中间模块的六个侧壁分别与六个外侧模块的其中一个侧壁重合，每个外侧模块的内侧壁上均间隔设置有多个温度传感器和湿度传感器，每个外侧模块的顶部均设置有至少一个喷洒养护剂的喷头和至少一个喷蒸汽的喷头，在相邻的两个外侧模块间共同的壁上均间隔设置有至少一个第一热管和至少一个第二热管，各个第二热管的吸热段和放热段与第一热管相反，每个外侧模块上均设置进风口和出风口，中间模块中设置有总风管，总风管分别通过第一分支管道与六个进风口连通，六个外侧模块中均设置有支撑台。本发明多模块协同工作，能提升养护效果与资源利用效率。

Description

Technical Field

[0001] This invention relates to the field of precast block curing. More specifically, this invention relates to curing equipment for invert arch precast blocks. Background Technology

[0002] In tunnel construction, the quality of precast invert blocks plays a crucial role in the stability and durability of the tunnel structure. Currently, the curing of most precast invert blocks relies on individual curing equipment operating independently. This single-equipment curing method has many insurmountable drawbacks. On the one hand, due to the independent operation of the equipment, there is a lack of effective coordination mechanisms between the equipment, making it difficult to achieve unified and precise control of the curing environment for multiple precast invert blocks, resulting in uneven temperature and humidity control. This leads to inconsistent strength development of the precast blocks during the curing process, seriously affecting the uniformity of product quality. On the other hand, the heat dissipation methods of individual equipment are often limited to their own simple heat dissipation structures, failing to achieve systematic heat exchange and balanced regulation, greatly affecting curing efficiency. In addition, each curing equipment is equipped with its own independent water supply and discharge system, making it impossible to achieve centralized collection and recycling of water resources, resulting in serious water waste and increasing maintenance costs.

[0003] In summary, existing single maintenance equipment can no longer meet the demands of modern tunnel engineering for high-quality, large-scale, and low-cost maintenance of invert arch precast blocks. There is an urgent need for a new, highly efficient invert arch precast block maintenance equipment that can achieve multi-module collaborative operation to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to provide a curing device for precast invert blocks to solve a series of problems existing in the curing device for a single precast invert block, realize multi-module collaborative work, and improve the curing effect and resource utilization efficiency.

[0005] To achieve these objectives and other advantages of the present invention, a curing device for precast invert blocks is provided, comprising:

[0006] The enclosure comprises a middle module and six outer modules, all of which are hexagonal. The six side walls of the middle module overlap with one side wall of each of the six outer modules. Multiple temperature and humidity sensors are spaced apart on the inner side wall of each outer module. Each outer module has at least one nozzle for spraying curing agent and at least one nozzle for spraying steam on its top. At least one first heat pipe and at least one second heat pipe are spaced apart on the common wall between adjacent outer modules. The heat absorption section of each first heat pipe is located in one of the adjacent outer modules, and the heat release section is located in the other. The heat absorption and heat release sections of each second heat pipe are opposite to those of the first heat pipe. Each outer module has an air inlet and an air outlet. A main air duct is located in the middle module, and the main air duct connects to the air inlets of the six outer modules via first branch pipes. Each of the six outer modules has a support platform for supporting the precast inverted arch blocks. Each first branch pipe has an airflow regulating component.

[0007] Preferably, in the precast invert block curing equipment, multiple third heat pipes are spaced apart on the six walls of the intermediate module. The heat absorption section of each third heat pipe is located in the six outer modules corresponding to it, and the heat release section is located in the intermediate module.

[0008] Preferably, in the precast arch curing equipment, temperature sensors are installed around the heat dissipation section of each third heat pipe to monitor the temperature change of the heat dissipation section of each third heat pipe in real time. Nested telescopic heat dissipation fins are provided at the heat dissipation section of each third heat pipe. Each heat dissipation fin is composed of multiple layers of plates. The innermost plate of each heat dissipation fin is fixedly connected to the heat dissipation section of the corresponding third heat pipe. The outermost plates are nested in sequence, and the outermost plate can move along the length of the heat dissipation section of the third heat pipe under the drive of the driving mechanism.

[0009] Preferably, in the precast invert block curing equipment, the driving mechanism includes a motor, a lead screw, and a nut seat. The two ends of each lead screw are rotatably connected to the mounting bracket of the heat dissipation section of the corresponding third heat pipe. One end of each lead screw is connected to the output shaft of the corresponding motor. Each lead screw is fitted with a nut seat that matches its thread. Each nut seat is connected to the corresponding plate located on the outermost layer of the heat dissipation fins via a connecting rod.

[0010] Preferably, in the precast invert block curing equipment, the outlet end of the main air duct is provided with multiple second branch pipes, the number of each second branch pipe being equal to the number of third heat pipes and corresponding one-to-one, and their outlet ends facing the heat dissipation section of the corresponding third heat pipe; each second branch pipe is provided with an airflow guiding device at its outlet end, each airflow guiding device including a guide plate, an angle adjustment motor and an angle sensor, the guide plate being rotatably connected to the inner wall of the corresponding second branch pipe, the output shaft of the angle adjustment motor being connected to the guide plate for driving the guide plate to rotate, the angle sensor being installed on the output shaft of the angle adjustment motor, and each airflow guiding device cooperating with the extension direction of the heat dissipation fins; when the heat dissipation fins extend, the airflow guiding device adjusts the angle in the extension direction of the heat dissipation fins to guide the airflow into the gaps between the heat dissipation fins.

[0011] Preferably, in the precast invert block curing equipment, each of the second branch pipes is equipped with a flow regulating valve near the heat dissipation section of its corresponding third heat pipe; when each heat dissipation fin extends, the corresponding flow regulating valve increases the air volume; when each heat dissipation fin retracts partly, the corresponding flow regulating valve reduces the air volume; and when each heat dissipation fin fully retracts, the corresponding flow regulating valve reduces the air volume to zero.

[0012] Preferably, in the precast invert block curing equipment, each of the six outer modules is provided with a sub-drainage trough at its bottom. The six sub-drainage troughs are connected end to end to form a hexagonal main drainage trough. The main drainage trough is connected to a drainage pipe, and the drainage end of the drainage pipe is located outside the box. A liquid level sensor and an electromagnetic drainage valve are installed inside the drainage pipe. The liquid level sensor monitors the water level change in real time. When the liquid level reaches a preset threshold, the electromagnetic drainage valve automatically opens to discharge sewage.

[0013] Preferably, in the precast invert block curing equipment, the drain end of the drain pipe is connected to the inlet of the water purifier, and the water purifier is equipped with three layers of filter elements: the first layer is a coarse filter screen, the middle layer is an ultrafiltration membrane, and the last layer is a reverse osmosis membrane.

[0014] Preferably, in the precast invert block curing equipment, each steam nozzle is connected to a steam generator located in the intermediate module, and the water outlet of the water purifier is connected to the water inlet of the steam generator.

[0015] Preferably, in the precast arch curing equipment, the air inlets and outlets on the six outer modules are respectively located on two opposite side walls of the six outer modules, and the air inlets on the six outer modules are respectively located on the six side walls of the middle module.

[0016] The present invention has at least the following beneficial effects:

[0017] This invention utilizes a hexagonal layout with a central module tightly connected to six outer modules, enabling efficient heat transfer and coordinated airflow among the modules. Multiple temperature and humidity sensors provide real-time, precise monitoring, working in conjunction with nozzles that automatically operate based on temperature and humidity data. A heat pipe temperature balancing system effectively reduces temperature differences between modules, achieving unified and precise control of the curing environment for multiple invert arch precast blocks. This solves the problem of uneven temperature and humidity control leading to inconsistent strength development in precast blocks in existing technologies, ensuring product quality uniformity.

[0018] The third heat pipe in the intermediate module of this invention, in conjunction with the nested telescopic heat dissipation fins, adjusts the heat dissipation area according to temperature changes. The drive mechanism precisely controls the extension and contraction of the heat dissipation fins, while the airflow guiding device and flow regulating valve precisely adjust the airflow and volume based on the working state of the heat dissipation fins. This achieves systematic heat exchange and balanced regulation, breaking through the limitations of simple heat dissipation structures in individual devices and greatly improving maintenance efficiency.

[0019] This invention collects wastewater through a hexagonal main drainage channel, controls the discharge through a level sensor and an electromagnetic drain valve, and then purifies the wastewater through a multi-layer filter in a water purifier before sending it back to the steam generator. This achieves centralized recycling and reuse of water resources, changing the situation of serious water waste in individual maintenance equipment and reducing maintenance costs.

[0020] The multi-module collaborative design of this invention, compared with the independent operation of a single maintenance device, can simultaneously maintain multiple invert arch precast blocks without increasing the number of devices. It can meet the needs of modern tunnel engineering for large-scale maintenance of invert arch precast blocks, and has obvious advantages in quality control and cost control, resulting in significant economic and social benefits.

[0021] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of a precast invert block curing device according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of an outer module according to an embodiment of the present invention;

[0024] The components are: middle module-1; outer module-2; first heat pipe-3; second heat pipe-4; main air duct-5; air outlet-6; support platform-7; third heat pipe-8; main drainage channel-9; and drainage pipe-10. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0026] It should be noted that in the description of this invention, the terms "lateral", "longitudinal", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0027] like Figure 1 and Figure 2 As shown, this invention provides a curing device for precast invert blocks. The device's housing consists of a central module 1 and six outer modules 2, both of which are hexagonal. The six side walls of the central module 1 overlap with one side wall of each of the six outer modules 2, forming a tight connection structure. This layout facilitates the coordinated operation of heat transfer and airflow between the outer modules 2.

[0028] Each outer module 2 has multiple temperature sensors and multiple humidity sensors spaced apart on its inner wall for real-time and accurate monitoring of the temperature and humidity inside the outer module 2. Each outer module 2 has at least one nozzle for spraying curing agent and at least one nozzle for spraying steam on its top. When the temperature and humidity sensors inside the outer module 2 detect that the temperature and humidity data deviates from the preset range, the nozzles will increase or decrease the spraying volume according to the sensor data to adjust the temperature and humidity environment inside the outer module 2 and meet the curing requirements of the invert arch precast blocks.

[0029] On the common wall between two adjacent outer modules 2, at least one first heat pipe 3 and at least one second heat pipe 4 are spaced apart. The heat absorption section of each first heat pipe 3 is located in one of the two adjacent outer modules 2 (outer module A), and the heat release section is located in the other of the two adjacent outer modules 2 (outer module B). The heat absorption and heat release sections of each second heat pipe 4 are opposite to those of the first heat pipes 3; that is, the heat absorption section of each second heat pipe 4 is located in the other of the two adjacent outer modules 2 (outer module B), and the heat release section is located in one of the two adjacent outer modules 2 (outer module A). Through this heat pipe layout, heat transfer and equalization between adjacent outer modules 2 are achieved, effectively reducing the temperature difference between the outer modules 2 and creating a stable temperature environment for the invert arch precast blocks.

[0030] Each outer module 2 is equipped with an air inlet and an air outlet 6. The middle module 1 is equipped with a main air duct 5, which is connected to the air inlets of the six outer modules 2 through first branch pipes. Figure 2 In the diagram, the arrows indicate the direction of airflow into and out of the outer module 2. This ventilation system design ensures that air can circulate evenly between the outer modules 2, promoting heat exchange and uniform distribution of temperature and humidity.

[0031] Each of the six outer modules 2 is equipped with a support platform 7 for supporting the precast invert arch blocks, and each first branch duct is equipped with an airflow regulating component (valve). The airflow regulating component can precisely control the airflow of each first branch duct. When a certain outer module 2 requires special airflow adjustment due to changes in internal temperature and humidity, it can be adjusted independently through the corresponding airflow regulating valve, without being affected by other outer modules 2. For example, if the temperature inside a certain outer module 2 rises abnormally, simply increasing the airflow of that outer module 2 by increasing the speed of the main air duct 5 may cause unnecessary changes in the airflow of other outer modules 2. With the airflow regulating component, the airflow of this outer module 2 can be precisely increased to achieve efficient cooling. Furthermore, during equipment operation, the temperature and humidity requirements of each outer module 2 vary at different maintenance stages. For example, in the initial stage of maintenance, the humidity requirements of each outer module 2 are relatively high and not significantly different, so it may only be necessary to uniformly adjust the fan speed of the main air duct 5. However, in the later stage, due to the differences in the state of the precast blocks, the temperature and humidity requirements of each outer module 2 are different. At this time, the air volume adjustment device can be used to flexibly adjust the air volume according to the specific situation of each outer module 2, thus optimizing the maintenance environment. Furthermore, when the ventilation duct or equipment of a certain outer module 2 malfunctions, the air volume adjustment device can be used to close or reduce the air intake of that outer module 2 to prevent the fault from spreading, while ensuring the normal operation of other outer modules 2. For example, if the nozzle of a certain outer module 2 becomes clogged, causing abnormal humidity inside that outer module 2, the air volume can be reduced by the air volume adjustment device to reduce the impact of uneven moisture evaporation on other outer modules 2, making it easier to concentrate on repairing the faulty outer module 2.

[0032] The precast invert block curing equipment provided in this solution uses multiple temperature and humidity sensors spaced at intervals on the inner wall of each outer module 2 to continuously and in real-time monitor the temperature and humidity data inside the module 2. These sensors quickly and accurately transmit the acquired temperature and humidity information to the control system, providing data for subsequent adjustment operations.

[0033] When the temperature sensor detects that the temperature inside an outer module 2, such as outer module A, is too high, the heat pipe system begins to function. The first heat pipe 3 transfers heat from outer module A to the adjacent outer module B or outer module C, achieving a more even heat distribution. Simultaneously, the ventilation system works in close coordination. The control system, based on the temperature data from each outer module 2, adjusts the fan speed of the main duct 5 and the airflow distribution of each first branch duct, ensuring that the air inlet of outer module A in the high-temperature area receives a larger airflow. This strong airflow quickly removes heat from outer module A, accelerating heat exchange and achieving rapid cooling.

[0034] If the temperature sensor detects that the temperature of an outer module 2, such as outer module B, is too low, the control system will reduce the speed of the main air duct 5 fan, thus reducing the overall ventilation volume. At the same time, it will fine-tune the airflow of each first branch duct to reduce the air intake of outer module B, in order to maintain a relatively stable microenvironment within outer module B and prevent further heat loss due to excessive ventilation.

[0035] When the humidity sensor detects that the humidity is below the preset range, the nozzles on top of each outer module 2 start working, increasing the amount of curing agent or steam sprayed to raise the humidity inside that outer module 2. At the same time, the ventilation system adjusts accordingly, and the fan in the main duct 5 appropriately reduces the wind speed to reduce the effect of airflow on moisture evaporation, thereby maintaining the humidity in the curing space at a suitable level.

[0036] If the humidity exceeds the preset range, the spray nozzles reduce the spray volume. The ventilation system increases its workload, with the main duct fan 5 significantly increasing its speed to increase ventilation volume, accelerate air circulation, and speed up moisture evaporation. Furthermore, based on the uneven humidity distribution in each outer module 2, the control system specifically adjusts the airflow speed in each first branch duct, providing greater airflow to areas with higher humidity, thus promoting the rapid removal of excess moisture from those outer modules 2 and achieving the goal of quickly reducing humidity.

[0037] The support platforms 7 in the six outer modules 2 provide a stable foundation for the placement of the precast blocks of the invert arch. Throughout the curing process, operators need to regularly check the placement of the precast blocks on the support platforms 7 to ensure that they are stable and meet the curing requirements.

[0038] In another scheme, multiple third heat pipes 8 are spaced apart on the six walls of the middle module 1. The heat absorption section of each third heat pipe 8 is located in the six corresponding outer modules 2, and the heat release section is located in the middle module 1, which further enhances the temperature uniformity of the entire box.

[0039] The heat from the six outer modules 2 is transferred to the middle module 1 for dissipation. This structure allows heat to be transferred from the hotter outer modules 2 to the middle module 1, avoiding localized overheating of the outer modules 2 and resulting in a more uniform temperature distribution throughout the enclosure.

[0040] In another embodiment, temperature sensors are installed around the heat dissipation section of each third heat pipe 8 to monitor temperature changes in that section in real time. Nested telescopic heat dissipation fins are installed at the heat dissipation section of each third heat pipe 8, each fin consisting of multiple layers of plates. The innermost plate of each heat dissipation fin is fixedly connected to its corresponding heat dissipation section of the third heat pipe 8, ensuring rapid heat transfer. The outermost plates are nested sequentially, and the outermost plate can move along the length of the heat dissipation section of the third heat pipe 8 under the drive of a driving mechanism, adjusting the heat dissipation area by varying the extension of the heat dissipation fins.

[0041] When the maintenance equipment is running, the heat-absorbing section of each third heat pipe 8 absorbs heat from the corresponding outer module 2 and conducts the heat to the heat-dissipating section of the third heat pipe 8. Temperature sensors installed around the heat-dissipating sections of each third heat pipe 8 monitor the temperature changes in real time and transmit the data to the control system.

[0042] The heat dissipation fins consist of multiple nested plates. The innermost plate is fixedly connected to the heat dissipation section of the third heat pipe 8 to ensure rapid heat transfer. As the temperature of the heat dissipation section of the third heat pipe 8 rises, the driving mechanism causes the outermost plate to move along the length of the heat dissipation section, expanding the heat dissipation fins and increasing the heat dissipation area, thus enhancing the heat dissipation effect. When the temperature drops to a suitable range, the driving mechanism causes the outermost plate to move in the opposite direction along the length of the heat dissipation section, contracting the heat dissipation fins and reducing the heat dissipation area. This dynamic adjustment of heat dissipation maintains stable equipment temperature, ensuring temperature uniformity and stability in the curing environment of the precast arch blocks, and improving curing quality and efficiency.

[0043] In another embodiment, the drive mechanism includes a motor, lead screws, and nut seats. Both ends of each lead screw are rotatably connected to the mounting bracket of the heat dissipation section of the corresponding third heat pipe 8. One end of each lead screw is connected to the output shaft of the corresponding motor. Each lead screw is fitted with a nut seat that is threadedly matched. Each nut seat is connected to the outermost plate of the corresponding heat dissipation fin via a connecting rod. When the motor starts, it drives the lead screw to rotate, causing the nut seat to move axially along the lead screw, thereby enabling the extension and contraction of the heat dissipation fins.

[0044] Initially, the heat dissipation fins may be in a contracted or partially extended state. When the temperature sensor detects that the temperature of the heat dissipation section of the third heat pipe 8 has increased and requires enhanced heat dissipation, the control system activates the drive mechanism. The motor in the drive mechanism drives the lead screw to rotate. Since the nut seat is threadedly matched with the lead screw and connected to the outermost plate of the heat dissipation fins via a connecting rod, the nut seat moves along the axial direction of the lead screw, thereby pushing the outermost plate of the heat dissipation fins to extend along the length of the heat dissipation section of the third heat pipe 8. As the outermost plates of the heat dissipation fins unfold sequentially, the overall heat dissipation area of ​​the heat dissipation fins increases, the heat exchange efficiency improves, and heat is dissipated into the surrounding environment more quickly. When the temperature drops to a suitable range, the control system drives the motor to reverse, causing the heat dissipation fins to contract, reducing unnecessary heat dissipation area, and preventing excessive heat loss. This allows for flexible adjustment of the heat dissipation effect under different temperature conditions, maintaining stable equipment temperature, ensuring the temperature uniformity and stability of the precast concrete arch curing environment, and effectively improving curing quality and efficiency.

[0045] In another embodiment, the main duct 5 has multiple second branch ducts at its outlet. The number of each second branch duct is equal to the number of third heat pipes 8, and they correspond one-to-one. Their outlets face the heat dissipation section of their respective third heat pipes 8. Each second branch duct has an airflow guiding device at its outlet, comprising a guide plate, an angle adjustment motor, and an angle sensor. The guide plate is rotatably connected to the inner wall of its corresponding second branch duct. The output shaft of the angle adjustment motor is connected to the guide plate to drive its rotation. The angle sensor is mounted on the output shaft of the angle adjustment motor to monitor the angle of the guide plate in real time. Each airflow guiding device is coordinated with the extension direction of the heat dissipation fins. When the heat dissipation fins extend, the airflow guiding device adjusts its angle in the extension direction of the fins, guiding the airflow into the gaps between the fins to enhance heat dissipation.

[0046] High-precision temperature sensors are installed around the heat dissipation section of each third heat pipe 8. The temperature sensors continuously monitor the temperature of the heat dissipation section of the third heat pipe 8 in real time and quickly transmit the collected temperature data to the control system of the equipment.

[0047] When the heat dissipation section of the third heat pipe 8 needs to dissipate heat during the operation of the maintenance equipment, the air from the main air duct 5 flows to the corresponding heat dissipation section of the third heat pipe 8 through multiple second branch pipes. At this time, the airflow guiding device located at the air outlet of the second branch pipe begins to function.

[0048] An angle sensor monitors the angle of the air guide plate in real time and feeds the data back to the control system. When the heat sink fins extend due to increased temperature, the control system activates the angle adjustment motor based on the extension direction of the fins. The angle adjustment motor drives the air guide plate to rotate, adjusting its angle in the extension direction of the heat sink fins, thereby precisely guiding the airflow into the gaps between the heat sink fins.

[0049] In this way, the air blown out from the second branch pipe can pass through the space between the heat dissipation fins more effectively, increasing the contact area and efficiency between the air and the heat dissipation fins, accelerating the transfer of heat from the heat dissipation fins to the flowing air, thereby enhancing the heat dissipation effect of the entire heat dissipation system. This ensures that the third heat pipe 8 can efficiently dissipate the heat absorbed by the outer module 2, maintaining a balanced temperature inside the curing equipment and providing a stable curing environment temperature for the invert arch precast blocks. When the temperature sensor detects that the temperature of the heat dissipation section of the third heat pipe 8 is within the preset suitable range, that is, when the heat distribution inside the equipment is relatively balanced and no additional heat dissipation is required, the control system will not initiate the relevant heat dissipation enhancement operation.

[0050] At this point, the main duct 5 will likely maintain a certain basic ventilation volume to ensure airflow within the equipment and prevent localized temperature buildup, but it will not provide additional airflow to the second branch duct. The angle adjustment motor is inactive, and the guide vane remains at a basic angle position to ensure it does not interfere with normal airflow within the equipment. Simultaneously, the heat dissipation fins are retracted or relatively compact to reduce their footprint within the equipment and avoid unnecessary heat dissipation.

[0051] The various components of the maintenance equipment will be kept in a low-power, low-activity state, performing only some basic monitoring tasks, such as the temperature sensor continuing to monitor the temperature so that it can react in time when the temperature of the heat dissipation section of the third heat pipe 8 changes and heat dissipation is required.

[0052] This mechanism, which flexibly adjusts the heat dissipation operation based on temperature monitoring results, ensures that heat dissipation is effectively enhanced when needed, while avoiding unnecessary energy waste when heat dissipation is not required. This enables the maintenance equipment to operate efficiently and stably under different temperature conditions, providing a good maintenance environment for the invert arch precast blocks.

[0053] In another design, each of the second branch pipes is equipped with a flow regulating valve near the heat dissipation section of its corresponding third heat pipe 8. When the heat dissipation fins extend, the corresponding flow regulating valve increases the airflow to accelerate heat dissipation; when the heat dissipation fins retract partially, the corresponding flow regulating valve reduces the airflow; and when the heat dissipation fins are fully retracted, the corresponding flow regulating valve reduces the airflow to zero to avoid energy waste.

[0054] When the heat sink fins extend due to the increased temperature of the heat dissipation section of the third heat pipe 8, it indicates a need to enhance heat dissipation. At this point, the flow control valve comes into play.

[0055] The working principle of a flow control valve is to control the airflow in the duct by adjusting the valve opening. When the heat sink fins extend, the control system receives feedback information from the extension status of the heat sink fins, such as the electrical signal triggered when the heat sink fins extend.

[0056] Based on this feedback, the control system sends a command to the corresponding flow regulating valve to increase its opening. With the valve opening increased, more air can flow through the second branch pipe to the heat dissipation section of the third heat pipe 8. Guided by the airflow guide device, this airflow passes more effectively through the gaps between the extended heat dissipation fins, enhancing heat exchange between the air and the fins and accelerating the transfer of heat from the fins to the flowing air, thereby accelerating heat dissipation.

[0057] When the heat sink fins shrink slightly due to a drop in temperature, it indicates that the current heat dissipation demand has decreased. At this time, the information on the shrinkage status of the heat sink fins is fed back to the control system.

[0058] Based on this information, the control system sends adjustment commands to the corresponding flow regulating valves, causing them to reduce their opening. As the valve opening decreases, the airflow through the second branch pipe decreases accordingly. This reduces the amount of cold air entering the heat dissipation fin area, ensuring that the intensity of the heat dissipation process matches the heat dissipation capacity of the fins, avoiding energy waste caused by excessive heat dissipation, and maintaining a relatively stable internal temperature of the equipment, thus achieving the effect of finely regulating heat dissipation.

[0059] When the heat dissipation fins are fully retracted, it indicates that the heat inside the device has been effectively controlled and no further heat dissipation is needed.

[0060] Once the control system receives a signal that the heat sink fins have fully retracted, it sends a command to the corresponding flow control valve to completely close it. At this point, the flow control valve reduces the airflow to zero, preventing further airflow into the area and avoiding energy waste caused by continuing to supply air to areas that no longer require cooling. This allows the equipment's energy to be focused on other necessary operations, while maintaining a stable internal temperature, preventing unnecessary heat loss or the introduction of additional temperature disturbances, and ensuring efficient operation of the maintenance equipment and a stable maintenance environment.

[0061] This mechanism, which dynamically adjusts the flow control valve based on the extension and contraction of the heat dissipation fins, enables flexible and precise control of the equipment's heat dissipation system. It can rapidly enhance heat dissipation when needed and rationally adjust airflow at different stages of heat dissipation demand, avoiding energy waste and ensuring that the maintenance equipment operates optimally under various working conditions. This provides a stable maintenance environment for the invert arch precast blocks while simultaneously considering the equipment's energy efficiency and performance.

[0062] In another embodiment, each of the six outer modules 2 has a sub-drainage trough at its bottom, and the six sub-drainage troughs are connected end to end to form a hexagonal main drainage trough 9. The main drainage trough 9 is connected to a drain pipe 10, and the drain end of the drain pipe 10 is located outside the housing. A liquid level sensor and an electromagnetic drain valve are installed inside the drain pipe 10. The liquid level sensor monitors the water level changes in real time, and when the liquid level reaches a preset threshold, the electromagnetic drain valve automatically opens to discharge sewage.

[0063] In another embodiment, the drain end of the drain pipe 10 is connected to the inlet of the water purifier. The water purifier is equipped with three layers of filters: the first layer is a coarse filter, the middle layer is an ultrafiltration membrane, and the last layer is a reverse osmosis membrane.

[0064] After the water discharged from drain pipe 10 enters the water purifier, it first passes through the coarse filter. The coarse filter uses its large mesh to physically sieve and intercept large particles of impurities such as mud, rust, and suspended solids, preventing them from entering the subsequent filtration layers, thus playing a preliminary purification and protection role.

[0065] Water filtered through a coarse filter enters the ultrafiltration membrane. The pore size of the ultrafiltration membrane is 0.01-0.1 micrometers. Through the pressure difference across the membrane, small molecules such as water molecules and some ions pass through using the sieving principle, while large molecules (bacteria, some viruses, colloids, etc.) are intercepted on the membrane surface or inside the membrane pores, further purifying the water quality.

[0066] Water that has passed through the ultrafiltration membrane enters the reverse osmosis membrane. The reverse osmosis membrane has extremely small pores (about 0.1-1 nanometers). Under certain pressure, based on the principle of osmosis, it only allows water molecules to pass through, while almost all ions, organic matter, microorganisms, etc. are blocked. It can remove most dissolved solids and heavy metal ions, providing high-purity water.

[0067] By sequentially filtering through a coarse filter, an ultrafiltration membrane, and a reverse osmosis membrane, the filtration effect is improved, and the service life of the water purifier is extended.

[0068] In another embodiment, each steam nozzle is connected to a steam generator located in intermediate module 1, and the purified water is returned to the steam generator via a circulating pump. This achieves water resource recycling, improves water resource utilization, and reduces maintenance costs.

[0069] In another design, the air inlets and outlets 6 on the six outer modules 2 are respectively located on two opposite side walls, and the air inlets on the six outer modules 2 are respectively located on the six side walls of the middle module 1. This creates a smooth air circulation path, allowing air to flow evenly and quickly across all outer modules 2, avoiding airflow obstruction and stagnation. It facilitates the rapid diffusion of the curing agent and steam sprayed from the nozzles, comprehensively and precisely regulating temperature and humidity, and maintaining a stable curing environment. In conjunction with the heat pipe system, it accelerates heat transfer and exchange, equalizes the temperature of each outer module 2, and improves the consistency of curing quality. It also ensures balanced air pressure across all outer modules 2, reducing equipment operational fluctuations and enhancing equipment stability and reliability.

[0070] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. Curing equipment for precast invert blocks, characterized in that, include: The enclosure comprises a central module and six outer modules, all of which are hexagonal. The six side walls of the central module overlap with one side wall of each of the six outer modules. Multiple temperature and humidity sensors are spaced apart on the inner side wall of each outer module. Each outer module has at least one nozzle for spraying curing agent and at least one nozzle for spraying steam on its top. At least one first heat pipe and at least one second heat pipe are spaced apart on the common side wall between adjacent outer modules. The heat absorption section of each first heat pipe is located in one of the adjacent outer modules, and the heat release section is located in the other. The heat absorption and heat release sections of each second heat pipe are opposite to those of the first heat pipe. Each outer module has an air inlet and an air outlet. A main air duct is located in the central module, and the main air duct connects to the air inlets of the six outer modules via first branch pipes. Each of the six outer modules has a support platform for supporting the precast inverted arch blocks. Each first branch pipe has an airflow regulating component.

2. The precast invert block curing equipment according to claim 1, characterized in that, Multiple third heat pipes are spaced apart on the six side walls of the intermediate module. The heat absorption section of each third heat pipe is located in the six outer modules corresponding to it, while the heat release section is located in the intermediate module.

3. The precast invert block curing equipment according to claim 2, characterized in that, Temperature sensors are installed around the heat dissipation section of each third heat pipe to monitor the temperature changes of each heat dissipation section in real time. Nested telescopic heat dissipation fins are set at the heat dissipation section of each third heat pipe. Each heat dissipation fin is composed of multiple layers of plates. The innermost plate of each heat dissipation fin is fixedly connected to the heat dissipation section of its corresponding third heat pipe. The outer plates are nested in sequence, and the outermost plate can move along the length of the heat dissipation section of the third heat pipe under the drive of the drive mechanism.

4. The precast invert block curing equipment according to claim 3, characterized in that, The drive mechanism includes a motor, lead screws, and nut seats. The two ends of each lead screw are rotatably connected to the mounting bracket of the heat dissipation section of the corresponding third heat pipe. One end of each lead screw is connected to the output shaft of the corresponding motor. Each lead screw is fitted with a nut seat that matches its thread. Each nut seat is connected to the outermost plate of the corresponding heat dissipation fins via a connecting rod.

5. The precast invert block curing equipment according to claim 3, characterized in that, The main duct has multiple second branch pipes at its outlet, the number of which is equal to the number of third heat pipes and corresponds one-to-one. Each branch pipe's outlet faces the heat dissipation section of its corresponding third heat pipe. Each second branch pipe has an airflow guiding device at its outlet, comprising a guide plate, an angle adjustment motor, and an angle sensor. The guide plate is rotatably connected to the inner wall of its corresponding second branch pipe. The output shaft of the angle adjustment motor is connected to the guide plate to drive its rotation. The angle sensor is mounted on the output shaft of the angle adjustment motor. Each airflow guiding device is aligned with the extension direction of the heat dissipation fins. When the heat dissipation fins extend, the airflow guiding device adjusts its angle in the extension direction of the fins, guiding the airflow into the gaps between the fins.

6. The precast invert block curing equipment according to claim 5, characterized in that, Each second branch pipe is equipped with a flow regulating valve near the heat dissipation section of its corresponding third heat pipe. When each heat dissipation fin extends, the corresponding flow regulating valve increases the airflow. When each heat dissipation fin retracts partially, the corresponding flow regulating valve reduces the airflow. When each heat dissipation fin fully retracts, the corresponding flow regulating valve reduces the airflow to zero.

7. The precast invert block curing equipment according to claim 1, characterized in that, Each of the six outer modules has a sub-drainage trough at its bottom. The six sub-drainage troughs are connected end to end to form a hexagonal main drainage trough. The main drainage trough is connected to a drain pipe, and the drain end of the drain pipe is located outside the box. A liquid level sensor and an electromagnetic drain valve are installed inside the drain pipe. The liquid level sensor monitors the water level change in real time. When the liquid level reaches a preset threshold, the electromagnetic drain valve automatically opens to discharge sewage.

8. The precast invert block curing equipment according to claim 7, characterized in that, The drain end of the drain pipe is connected to the inlet of the water purifier. The water purifier has three layers of filter elements inside: the first layer is a coarse filter, the middle layer is an ultrafiltration membrane, and the last layer is a reverse osmosis membrane.

9. The precast invert block curing equipment according to claim 8, characterized in that, Each steam nozzle is connected to a steam generator located in the intermediate module, and the water outlet of the water purifier is connected to the water inlet of the steam generator.

10. The precast invert block curing equipment according to claim 1, characterized in that, The air inlets and outlets on the six outer modules are respectively located on two opposite side walls of the six outer modules, and the air inlets on the six outer modules are respectively located on the six side walls of the middle module.

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