A protection device for hydraulic engineering

Abstract

This invention discloses a protective device for water conservancy projects, belonging to the field of water conservancy project protection technology. It includes a seed storage cavity, a first transition cavity, and a second transition cavity. The protective pipe has these three cavities integrally formed inside. Existing technologies involve large-scale paving of sand and gravel and cement pouring in river channels, which is time-consuming and costly. Furthermore, water conservancy projects cannot construct protective facilities for all river channels in a short period. This invention utilizes natural plants to quickly cover the riverbed, reducing the risk of soil erosion. It is also low-cost, easy to install, and aesthetically pleasing. This invention can store grass seeds for easy sowing on the riverbed. The river water lowers the storage temperature of the grass seeds, extending their storage time and reducing the need for frequent seed replenishment and replacement.

Description

Technical Field

[0001] This invention relates to the field of water conservancy engineering protection technology, specifically a protective device for water conservancy projects. Background Technology

[0002] Utility model patent CN211849272U, entitled "A River Protection Net for Water Conservancy Projects," discloses a technical solution that achieves easy disassembly through the cooperation of a base, column, net body, slot, and snap-fit ​​mechanism. The disassembly process is simple, time-saving, and labor-saving, greatly reducing the user's workload. Utility model patent CN214328755U, entitled "A River Protection Net for Water Conservancy Projects," discloses a system with a protective layer and a protective net. Both ends of the protective net are equipped with connectors for connecting to the slope. One side of the protective net is fixedly connected to the protective layer. The other side of the protective net is fixedly connected to the riverbed, which can reduce soil erosion at the connection between the riverbed and the slope to a certain extent. The utility model patent with announcement number CN216689233U, "Riverbank Protection Device for Water Conservancy Projects", discloses a technical solution that supports the protection device by setting support blocks to facilitate the adjustment of the angle of the protection device. Existing technologies involve large-scale sand and gravel paving and cement pouring in the riverbed, which is time-consuming and costly. Moreover, water conservancy projects cannot build protection facilities for all riverbeds in a short period of time, and there are no protection devices that can adapt to the soil type of the riverbed to reduce soil erosion. Summary of the Invention

[0003] The purpose of this invention is to provide a protective device for water conservancy projects, so as to solve the problem that there is no protective device in the prior art that can adapt to the soil of the riverbed and reduce soil erosion.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A protective device for water conservancy projects includes a protective pipe installed and fixed along the inclined direction of the riverbed. The protective pipe intercepts sediment carried by the water flow, reducing soil erosion. Both ends of the protective pipe are sealed with sealing caps. The device also includes a seed storage assembly, which comprises a seed storage cavity, a first transition cavity, and a second transition cavity. These three cavities—the seed storage cavity, the first transition cavity, the second transition cavity, the first ventilator cavity, and the second ventilator cavity—are integrally formed inside the protective pipe and extend throughout the entire protective pipe. The first and second ventilation ducts are interconnected via a first ventilation hole; the first transition duct is interconnected with the first ventilation duct via a second transition ventilation hole; the second transition duct is interconnected with the second ventilation duct via a second transition ventilation hole; the seed storage duct is interconnected with the first transition duct via a third seed storage ventilation hole; the seed storage duct is interconnected with the second transition duct via a third seed storage ventilation hole; an air inlet pipe and a negative pressure exhaust pipe are fixedly installed on the outer wall of the protective pipe near the shore; the air inlet pipe is fixedly connected to the first ventilation duct; the negative pressure exhaust pipe... The exhaust pipe is fixedly connected to the second ventilation chamber. After the protective pipe is fixed on the riverbed, the sealing cover near the bank is opened, and grass seeds are filled into the seed storage chamber. The grass seeds slide towards the riverbed within the seed storage chamber. The sealing cover is then closed. Depending on the water level, the end of the protective pipe near the riverbed is either submerged in water or near the water surface. The submerged or near-water-surface area of ​​the protective pipe receives effective cooling. The low temperature on the surface of the protective pipe is transferred through the first ventilation chamber, the second ventilation chamber, the first transition chamber, and the second transition chamber, ultimately reaching the interior space of the seed storage chamber, providing a low-temperature storage environment for the grass seeds and extending their shelf life. During storage, the first and second transition cavities reduce the efficiency of temperature transfer, preventing efficient heat exchange between the outer wall of the protective pipe and the internal space of the seed storage cavity through the first and second ventilation cavities. This avoids condensation on the side wall of the seed storage cavity caused by large temperature differences, ensuring the dryness of the seed storage environment. Dry air from the end of the protective pipe closest to the shore flows through the air inlet pipe and sequentially through the first ventilation cavity, the first ventilation hole, the second ventilation cavity, the first air pump, and the negative pressure exhaust pipe. The dry air carries away the moisture inside the protective pipe to the outside, maintaining the dryness of the seed storage environment.

[0006] The negative pressure exhaust pipe is connected to and fixed with a first air pump in the middle. The first air pump can accelerate the air exchange efficiency inside the seed storage chamber and efficiently refresh the dry air inside the seed storage chamber.

[0007] The first transition cavity is filled with heat insulation cotton to further reduce the cooling efficiency of the seed storage cavity and further ensure the dryness of the seed storage cavity.

[0008] It also includes a sowing assembly, which comprises a seed delivery pipe, a negative pressure seed inlet, a spraying bend, and a second air pump. The seed delivery pipe, which is closed at both ends, is installed inside the seed storage pipe. A negative pressure seed inlet is perforated through the wall of the seed delivery pipe. A spraying bend is fixedly installed on the top surface of the protective pipe near the shore, and the spraying bend is connected to the seed delivery pipe. A second air pump is fixedly connected to the middle of the spraying bend. The second air pump draws negative pressure into the seed delivery pipe, causing the grass seeds to be drawn into the seed delivery pipe through the negative pressure seed inlet. Finally, under the suction and pumping action of the second air pump... Grass seeds are sprayed from the spray pipe onto the riverbed. After germination in 7-15 days, the seeds can protect the soil from being washed away by the water flow. This is especially useful in water conservancy projects where the water level fluctuates frequently within a short period. When the water level drops, areas that were submerged before the drop and lacked protective vegetation are exposed to the air. Since these areas are close to the water surface, they are directly eroded by the flowing water, causing rapid soil loss. The seeding device can quickly seed the riverbed near the water surface, making the area covered with vegetation in a short time, thus reducing soil erosion.

[0009] A water-collecting trough is provided below the seed storage chamber. The trough is connected to the first ventilation chamber, the second ventilation chamber, the first transition chamber, and the second transition chamber via water passages. A metal heat-conducting plate is fixedly installed on the inner wall of the first ventilation chamber. When dry air enters the first ventilation chamber from the area near the shore, it first exchanges heat with the metal heat-conducting plate, which has a lower initial temperature. This reduces the temperature of the dry air as it flows towards the riverbed end of the first ventilation chamber, decreasing the temperature difference between the dry air and the air inside the seed storage chamber, thus preventing the air from escaping the seed storage chamber. The generation of a large amount of condensation in the seed section ensures the dryness of the grass seeds and effectively extends their storage time. During the flow of dry air in the first ventilation chamber, the temperature difference between the metal heat-conducting plate and the dry air will generate a small amount of condensation. The condensation, which gathers into large droplets, flows into the water collection trough through the water inlet. The water collection trough, together with the bottom space of the first ventilation chamber, shares the condensation and prevents the condensation in humid areas from becoming too hot. This also prevents the condensation from flowing into the seed storage chamber through the second transition ventilation hole and the third seed storage ventilation hole.

[0010] A solar panel is fixedly installed on the top surface of the protective pipe near the shore. The solar panel is electrically connected to a microcontroller, which is also electrically connected to a first air pump and a second air pump. Using the solar panel as a power source results in significant energy savings and avoids complex circuit wiring. A program is set in the microcontroller to control the intermittent start of the first air pump. The microcontroller is connected to an external water level monitoring device. When the water level drops by more than 3 centimeters within 3 days, the microcontroller controls the second air pump to start, spraying grass seeds onto the riverbed near the water surface.

[0011] Several mounting base plates are fixedly installed on the bottom surface of the protective pipe. Several ground-inserting fixing posts are fixedly installed in a matrix at the bottom end of the mounting base plates. The protective pipe is pressed down and the ground-inserting fixing posts are inserted into the soil to fix the protective pipe to the riverbed.

[0012] Several stabilizing rods are installed on the side wall of the ground-mounted fixing post. The stabilizing rods are installed with the end furthest from the ground-mounted fixing post facing upwards. The angle between the stabilizing rod and the ground-mounted fixing post is less than 90 degrees. The angle between the stabilizing rod and the ground-mounted fixing post allows the downward-growing grass roots to fit together. When the protective pipe is subjected to an upward force from the outside, the dense grass roots can hold the stabilizing rod, making the protective pipe firmly fixed and difficult to detach from the riverbed. The fixing effect is significant on riverbeds without stone slabs. This invention is applicable to water conservancy projects with poor infrastructure. Existing technologies require large-area sand and gravel paving and cement pouring in the riverbed, which is time-consuming and costly. Moreover, water conservancy projects cannot build all the protective facilities in the riverbed in a short period of time. This invention can use natural plants to quickly cover the riverbed on the water surface, reducing the risk of soil erosion. It is also low-cost, easy to install, and aesthetically pleasing.

[0013] The stabilizing rod has a threaded groove on its surface, which can enhance the friction between the grass roots and the stabilizing rod, making the installation of the protective pipe more stable.

[0014] The protective pipe is made of elastic material, which makes it highly adaptable to the terrain during installation. When a small amount of soil shifts in the riverbed below the protective pipe, simply stepping on the protective pipe will make it re-adhere to the riverbed. Once it is firmly attached to the riverbed, the protective pipe is difficult to bounce back upwards under the fixing action of the stabilizing rod. After new grass grows and the grass roots intertwine with the stabilizing rod, the protective pipe is firmly fixed.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] Existing technologies involve large-scale sand and gravel paving and cement pouring in river channels, which is time-consuming and costly. Furthermore, water conservancy projects cannot construct protective facilities for all river channels in a short period of time. This invention can utilize natural plants to quickly cover the riverbed on the water surface, reducing the risk of soil erosion. It is also low-cost, easy to install, and aesthetically pleasing.

[0017] This invention enables the storage of grass seeds for timely sowing in riverbeds;

[0018] This invention utilizes the ability of river water to lower the storage temperature of grass seeds, thereby extending the storage time of the grass seeds and eliminating the need for frequent addition and replacement.

[0019] This invention can utilize dry air from the shore to dehumidify the grass seed storage environment, thereby maintaining the dryness of the grass seed storage environment, extending the storage time of the grass seeds, and eliminating the need for frequent addition and replacement of the grass seeds.

[0020] This invention is easy to install and securely fixed to the riverbed, making it an efficient and stable installation method that can adapt to soil-type riverbeds. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a protective device for water conservancy projects according to the present invention;

[0022] Figure 2 This invention relates to a protective device for hydraulic engineering. Figure 1 Enlarged structural diagram of region A in the middle;

[0023] Figure 3 This invention relates to a protective device for hydraulic engineering. Figure 1 Enlarged structural diagram of region B in the middle;

[0024] Figure 4 This invention relates to a protective device for hydraulic engineering. Figure 3 Enlarged structural diagram of region C in the middle;

[0025] Figure 5 This is a schematic diagram showing the positional relationship between the stabilizing rod (503) and 602 of a protective device for water conservancy projects according to the present invention;

[0026] Figure 6 This is a schematic diagram showing the installation position relationship between the protective pipe (101) and 603 of a protective device for water conservancy projects according to the present invention.

[0027] The diagram is labeled as follows: 101, Protective pipe; 102, Sealing cover; 103, Seed storage chamber; 104, First transition chamber; 105, Second transition chamber; 106, First ventilation chamber; 107, Second ventilation chamber; 108, First ventilation hole; 109, Second transition ventilation hole; 110, Third seed storage ventilation hole; 111, Air inlet pipe; 112, Negative pressure exhaust pipe; 113, First air pump; 201, Seed delivery pipe; 202, Negative pressure seed inlet hole; 203, Spraying bend pipe; 204, Second air pump; 301, Water collection trough; 302, Water passage hole; 401, Solar panel; 501, Mounting base plate; 502, Ground-inserted fixing post; 503, Stabilizing rod; 601, Grass stem; 602, Grass rootlets; 603, Riverbed. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example: Figure 1-6As shown, the protective device for water conservancy projects includes a protective pipe 101 installed and fixed along the inclined direction of the riverbed. The protective pipe 101 can intercept the sediment carried by the water flow, reducing soil erosion. Sealing caps 102 are fixedly sealed at both ends of the protective pipe 101. It also includes a seed storage component, which includes a seed storage cavity 103, a first transition cavity 104, and a second transition cavity 105. The protective pipe 101 has an integrally formed seed storage cavity 103, a first transition cavity 104, a second transition cavity 105, a first ventilation cavity 106, and a second ventilation cavity 107. These three cavities (seed storage cavity 103, first transition cavity 104, second transition cavity 105, first ventilation cavity 106, and second ventilation cavity 107) extend through the entire protective pipe. 101. The first ventilation cavity 106 and the second ventilation cavity 107 are interconnected through the first ventilation hole 108. The first transition cavity 104 and the first ventilation cavity 106 are interconnected through the second transition ventilation hole 109. The second transition cavity 105 and the second ventilation cavity 107 are interconnected through the second transition ventilation hole 109. The seed storage cavity 103 and the first transition cavity 104 are interconnected through the third seed storage ventilation hole 110. The seed storage cavity 103 and the second transition cavity 105 are interconnected through the third seed storage ventilation hole 110. An air inlet pipe 111 and a negative pressure exhaust pipe 112 are fixedly installed on the outer wall of the protective pipe 101 near the shore. The air inlet pipe 111 is fixedly connected to the first ventilation cavity 106. The negative pressure exhaust pipe 112 is fixedly connected to the second ventilation chamber 107. After the protective pipe 101 is fixed on the riverbed, the sealing cover 102 near the bank is opened, and grass seeds are filled into the seed storage chamber 103. The grass seeds slide towards the riverbed in the seed storage chamber 103. The sealing cover 102 is then closed. Depending on the water level in the river, the end of the protective pipe 101 near the riverbed is immersed in water or near the water surface. The area of ​​the protective pipe 101 immersed in water or near the water surface can be effectively cooled. The low temperature on the surface of the protective pipe 101 is transferred to the internal space of the seed storage chamber 103 through the first ventilation chamber 106, the second ventilation chamber 107, the first transition chamber 104, and the second transition chamber 105, so that the grass seeds have a low-temperature storage environment to extend their lifespan. For long storage periods, the first transition cavity 104 and the second transition cavity 105 reduce the efficiency of temperature transfer, preventing the outer wall of the protective tube 101 from directly exchanging heat efficiently with the internal space of the seed storage cavity 103 through the first ventilation cavity 106 and the second ventilation cavity 107. This avoids the phenomenon of water vapor condensation on the side wall of the seed storage cavity 103 caused by large temperature differences, thus ensuring the dryness of the grass seed storage environment. The dry air at the end of the protective tube 101 near the shore flows through the air inlet pipe 111 and sequentially through the first ventilation cavity 106, the first ventilation hole 108, the second ventilation cavity 107, the first air pump 113, and the negative pressure exhaust pipe 112. The dry air carries the water vapor inside the protective tube 101 to the outside, thus maintaining the dryness of the grass seed storage environment.

[0030] A first air pump 113 is fixedly connected to the middle of the negative pressure exhaust pipe 112. The first air pump 113 can accelerate the air exchange efficiency inside the seed storage chamber 103 and efficiently refresh the dry air inside the seed storage chamber 103.

[0031] The first transition cavity 104 is filled with heat insulation cotton to further reduce the cooling efficiency of the seed storage cavity 103 and further ensure the dryness of the seed storage cavity 103.

[0032] It also includes a sowing assembly, which comprises a seed delivery pipe 201, a negative pressure seed inlet 202, a spraying bend 203, and a second air pump 204. The seed delivery pipe 201 is installed inside the seed storage chamber 103. The seed delivery pipe 201 is a seed delivery pipe with closed ends. The negative pressure seed inlet 202 is opened through the pipe wall of the seed delivery pipe 201. The spraying bend 203 is fixedly installed on the top surface of the protective pipe 101 near the shore. The spraying bend 203 is connected to the seed delivery pipe 201. The second air pump 204 is fixedly connected to the middle of the spraying bend 203. The second air pump 204 draws negative pressure inside the seed delivery pipe 201, so that the grass seeds are sucked in and transported through the negative pressure seed inlet 202. Inside pipe 201, under the suction of the second air pump 204, grass seeds are sprayed from the spraying bend 203 onto the riverbed. After germination in 7-15 days, the grass seeds can protect the soil from being washed away by the water flow. Especially in water conservancy projects where the water level changes frequently in the river channel within a short period of time, after the water level drops, areas that were submerged before the water level dropped and have no soil-protecting plants growing are exposed to the air. Since these areas are close to the water surface, they will be directly eroded by the water flow, causing rapid soil loss. The seeding component can quickly seed the riverbed near the water surface, so that the riverbed area near the water surface is covered with vegetation in a short time, thereby reducing soil loss.

[0033] A water-collecting trough 301 is provided below the seed storage chamber 103. The water-collecting trough 301 is connected to the first ventilation chamber 106, the second ventilation chamber 107, the first transition chamber 104, and the second transition chamber 105 through a water passage 302. A metal heat-conducting plate is fixedly installed on the inner wall of the first ventilation chamber 106. When dry air enters the first ventilation chamber 106 from the area near the shore, it will exchange heat with the metal heat-conducting plate, which has a low initial temperature. This will reduce the temperature of the dry air when it reaches the end of the first ventilation chamber 106 near the riverbed, thereby reducing the temperature difference between the dry air and the air inside the seed storage chamber 103 and preventing the seed storage chamber from becoming contaminated. The generation of a large amount of condensation inside 103 ensures the dryness of the grass seeds and effectively extends their storage time. During the flow of dry air in the first ventilation cavity 106, the temperature difference between the metal heat-conducting plate and the dry air will generate a small amount of condensation. The condensation, which gathers into large droplets, flows into the water collection trough 301 through the water passage 302. The water collection trough 301 shares the condensation with the bottom space of the first ventilation cavity 106, preventing the condensation from becoming too hot in humid areas, and thus preventing the condensation from flowing into the seed storage cavity 103 through the second transition ventilation hole 109 and the third seed storage ventilation hole 110.

[0034] A solar panel 401 is fixedly installed on the top surface of the protective pipe 101 near the shore. The solar panel 401 is electrically connected to a microcontroller. The microcontroller is electrically connected to the first air pump 113 and the second air pump 204. Using the solar panel 401 as a power source has a significant energy-saving effect and can avoid complex circuit wiring operations. A program is set in the microcontroller to control the first air pump 113 to start intermittently. The microcontroller is connected to an external water level monitoring device. When the water level drops by more than 3 cm within 3 days, the microcontroller controls the second air pump 204 to start and spray grass seeds on the riverbed near the water surface.

[0035] Several mounting base plates 501 are fixedly installed on the bottom surface of the protective pipe 101. Several ground-inserting fixing posts 502 are fixedly installed in a matrix at the bottom end of the mounting base plates 501. The protective pipe 101 is pressed down and the ground-inserting fixing posts 502 are inserted into the soil to fix the protective pipe 101 to the riverbed.

[0036] Several stabilizing rods 503 are installed on the side wall of the ground-fixing post 502. The stabilizing rods 503 are installed with the end furthest from the ground-fixing post 502 facing upwards. The angle between the stabilizing rods 503 and the ground-fixing post 502 is less than 90 degrees. The angle between the stabilizing rods 503 and the ground-fixing post 502 allows the downward-growing grass roots to fit together. When the protective pipe 101 is subjected to an upward force from the outside, the dense grass roots can hold the stabilizing rods 503 in place, making the protective pipe 101 firmly fixed and difficult to detach from the riverbed. The fixing effect is significant on riverbeds without stone slabs. This invention is applicable to water conservancy projects with poor infrastructure. Existing technologies require large-area sand and gravel paving and cement pouring in the riverbed, which is time-consuming and costly. Moreover, water conservancy projects cannot construct all the protective facilities for the riverbed in a short period of time. This invention can use natural plants to quickly cover the riverbed on the water surface, reducing the risk of soil erosion. It is also low-cost, easy to install, and aesthetically pleasing.

[0037] The stabilizing rod 503 has a threaded groove on its surface, which can enhance the friction between the grass roots and the stabilizing rod 503, making the installation of the protective tube 101 more stable.

[0038] The protective pipe 101 is made of elastic material, which makes it highly adaptable to the terrain during installation. When a small amount of soil is moved in the riverbed below the protective pipe 101, simply stepping on the protective pipe 101 will make it re-adhere to the riverbed. Once it is firmly attached to the riverbed, the protective pipe 101 is difficult to bounce back upwards under the fixing action of the stabilizing rod 503. After new grass grows and the grass roots intertwine with the stabilizing rod 503, the protective pipe 101 is firmly fixed.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A protective device for water conservancy projects, comprising a protective pipe (101) fixedly installed along the inclined direction of the riverbed, the protective pipe (101) being able to intercept sediment carried by the water flow and reduce soil erosion, characterized in that: The protective tube (101) is sealed and fixed at both ends with sealing cover plates (102), and also includes a seed storage component. The seed storage component includes a seed storage cavity (103), a first transition cavity (104), and a second transition cavity (105). The protective tube (101) is integrally formed with the seed storage cavity (103), the first transition cavity (104), the second transition cavity (105), the first ventilation cavity (106), and the second ventilation cavity (107). The seed storage cavity (103), the first transition cavity (104), the second transition cavity (105), the first ventilation cavity (106), and the second ventilation cavity (107) run through the entire protective tube (101). The first ventilation cavity (106) and the second ventilation cavity (107) are interconnected through a first ventilation hole (108). The ferry pipe cavity (104) and the first ventilation pipe cavity (106) are interconnected through the second transition ventilation hole (109). The second transition pipe cavity (105) and the second ventilation pipe cavity (107) are interconnected through the second transition ventilation hole (109). The seed storage pipe cavity (103) and the first transition pipe cavity (104) are interconnected through the third seed storage ventilation hole (110). The seed storage pipe cavity (103) and the second transition pipe cavity (105) are interconnected through the third seed storage ventilation hole (110). An air inlet pipe (111) and a negative pressure exhaust pipe (112) are fixedly installed on the outer wall of the protective pipe (101) near the shore. The air inlet pipe (111) is fixedly connected to the first ventilation pipe cavity (106), and the negative pressure exhaust pipe (112) is fixedly connected to the second ventilation pipe cavity (107).

2. The protective device for water conservancy projects according to claim 1, characterized in that: The negative pressure exhaust pipe (112) is connected to and fixed with a first air pump (113) in the middle.

3. A protective device for water conservancy projects according to claim 1, characterized in that: The first transition cavity (104) is filled with heat insulation cotton.

4. A protective device for water conservancy projects according to claim 1, characterized in that: It also includes a seeding assembly, which includes a seed delivery pipe (201), a negative pressure seed inlet hole (202), a spraying bend pipe (203), and a second air pump (204). The seed storage tube (103) is equipped with a seed delivery pipe (201), which is a seed delivery pipe (201) with closed ends. A negative pressure seed inlet hole (202) is provided through the wall of the seed delivery pipe (201). A spraying bend pipe (203) is fixedly installed on the top surface of the protective pipe (101) near the shore. The spraying bend pipe (203) is connected to the seed delivery pipe (201). The second air pump (204) is fixedly connected in the middle of the spraying bend pipe (203).

5. A protective device for water conservancy projects according to claim 1, characterized in that: A water-collecting trough (301) is provided below the seed storage tube (103). The water-collecting trough (301) is connected to the first ventilation tube (106), the second ventilation tube (107), the first transition tube (104), and the second transition tube (105) through a water passage (302). A metal heat-conducting plate is fixedly installed on the inner wall of the first ventilation tube (106).

6. A protective device for water conservancy projects according to claim 2, characterized in that: A solar panel (401) is fixedly installed on the top surface of the protective pipe (101) near the shore. The solar panel (401) is electrically connected to a microcontroller. The microcontroller is electrically connected to the first air pump (113) and the second air pump (204).

7. A protective device for water conservancy projects according to claim 1, characterized in that: Several mounting base plates (501) are fixedly installed on the bottom surface of the protective pipe (101), and several ground-inserting fixing posts (502) are fixedly installed in a matrix at the bottom end of the mounting base plates (501).

8. A protective device for water conservancy projects according to claim 7, characterized in that: A number of stabilizing rods (503) are installed on the side wall of the ground-inserting fixing post (502). The stabilizing rod (503) is installed with the end away from the ground-inserting fixing post (502) facing upward. The angle between the stabilizing rod (503) and the ground-inserting fixing post (502) is less than 90 degrees.

9. A protective device for water conservancy projects according to claim 8, characterized in that: The stabilizing rod (503) is a stabilizing rod (503) with a threaded groove on its surface.

10. A protective device for water conservancy projects according to claim 1, characterized in that: The protective tube (101) is a protective tube (101) made of elastic material.

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