Large spring chamber structure for spring water and construction method thereof

Abstract

The present application belongs to the field of water conservancy engineering and drinking water source water taking technology, and particularly relates to a large-scale spring chamber structure for spring water and a construction method. The present application comprises a stainless steel blocking door, a spring chamber module, a drainage mechanism, a flow guide mechanism, a buffer access chamber and a water outlet pipe. The stainless steel blocking door is arranged at the opening of a natural spring hole. The spring chamber module is located entirely underwater, and a spring water buffer chamber and a buffer access chamber are arranged therein. The spring water buffer chamber is arranged between the stainless steel blocking door and the buffer access chamber. The spring water buffer chamber is in communication with the natural spring hole through the drainage mechanism. The flow guide mechanism is connected to the drainage mechanism. The water outlet pipe is arranged on the inner side wall of the spring water buffer chamber on both sides of the buffer access chamber. The present application effectively isolates reservoir water, ensures raw water quality and has large-scale water storage capacity, thereby fundamentally ensuring water quality and engineering safety. The buffer access chamber design effectively solves the problem of mixing of spring water and external water during underwater spring chamber maintenance.

Description

Technical Field

[0001] This invention belongs to the field of water conservancy engineering and drinking water source intake technology, specifically relating to a large spring chamber structure and construction method for spring water. Background Technology

[0002] In karst regions, many high-quality springs are submerged at the bottom of reservoirs due to their construction. Traditional underwater water intake methods, such as directly installing pumps or simple enclosures, are insufficient to completely isolate the spring water from the reservoir, leading to mixing of spring and reservoir water, compromising water quality, and making the structures vulnerable to reservoir pressure, waves, and geological conditions, resulting in poor safety.

[0003] In existing technologies, water is often extracted by directly utilizing natural spring caverns, constructing large cofferdams, or using underground horizontal tunnels and vertical shafts. However, these methods have drawbacks such as large engineering workload, high cost, difficult construction, damage to the landscape, and near-impossible post-construction maintenance. Summary of the Invention

[0004] This invention provides a large-scale spring chamber structure and construction method for spring water, with the aim of providing a water intake structure and method that can achieve absolute physical isolation between reservoir water and spring water, has a stable and reliable structure, and can operate without maintenance for a long time in an underwater environment.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A large spring chamber structure for spring water includes a stainless steel sealing door, a spring chamber module, a diversion mechanism, a flow guiding mechanism, a buffer inlet chamber, and an outlet pipe. The stainless steel sealing door is installed at the entrance of the natural spring to seal it. The spring chamber module is entirely underwater and includes a spring water buffer chamber and a buffer inlet chamber. The spring water buffer chamber is located between the stainless steel sealing door and the buffer inlet chamber. The spring water buffer chamber is connected to the natural spring through the diversion mechanism, which is connected to the flow guiding mechanism. The outlet pipe is installed on the inner wall of the spring water buffer chamber on both sides of the buffer inlet chamber.

[0007] The stainless steel sealing door includes a stainless steel door frame, a stainless steel upper door, a stainless steel lower door, a pipe fixing bracket, and a stainless steel screw assembly. The stainless steel door frame is rectangular and is embedded in the natural spring opening. Pre-embedded screw holes are arranged on the stainless steel door frame. The upper door is installed on the upper part of the stainless steel door frame via the stainless steel screw assembly, and the lower door is installed inside the stainless steel door frame and located below the upper door via the same assembly. The pipe fixing bracket is connected to the lower door and is used to support and fix the drainage mechanism.

[0008] It also includes a PTFE gasket and a pressure plate; the PTFE gasket is placed between the stainless steel door frame and the upper and lower pages of the stainless steel sealing door; the pressure plate is placed between the upper and lower pages of the stainless steel sealing door and the stainless steel screw assembly to reinforce the stainless steel screw assembly.

[0009] The spring chamber module is equipped with an anchor structure; the bottom of the spring chamber module is equipped with pile foundations and foundation structures from bottom to top; the inner wall of the spring water buffer chamber is connected with a stainless steel lining; the space between the stainless steel lining and the spring chamber module is filled with a cement-based grouting material with high water resistance and strong compressive strength.

[0010] The inner wall of the spring water buffer chamber is provided with two guide plates; the two guide plates are respectively located on both sides of the buffer inlet chamber and between the two outlet pipes; the two guide plates are perpendicular to the inner wall of the spring water buffer chamber, and the length of the guide plates is less than the width of the spring water buffer chamber; a spring chamber vent pipe is provided at the top of the spring water buffer chamber.

[0011] The diversion mechanism includes a diversion pipe and a sealing assembly; one end of the diversion pipe passes through a stainless steel sealing door and connects to the natural spring, and the other end of the diversion pipe extends into the spring water buffer chamber, and the sealing assembly is connected to this end; a flow guiding mechanism is connected to the diversion pipe between the spring water buffer chamber and the stainless steel sealing door.

[0012] The flow guiding mechanism includes a flow guiding pipe and a blocking component; one end of the flow guiding pipe is connected to the drainage pipe, and the other end of the flow guiding pipe extends to the outside of the spring chamber module, and this end is connected to the blocking component.

[0013] The sealing assembly includes a stainless steel perforated blind plate, a stainless steel sealing pipe, and a stainless steel blind plate; the stainless steel perforated blind plate is a circular blind plate with a through hole in its middle position; one end of the stainless steel sealing pipe is connected to the stainless steel perforated blind plate, and the other end is connected to the stainless steel blind plate.

[0014] The buffer entry chamber includes an inner manhole door, an outer manhole door, a manhole vent pipe, a manhole drain pipe, a manhole door pressure equalizing valve, and a buffer entry channel. The buffer entry channel is located on one side of the spring water buffer chamber and communicates with it. The inner manhole door is located at the junction of the spring water buffer chamber and the buffer entry chamber, and is situated inside the spring water buffer chamber. The outer manhole door is located outside the buffer entry channel. A manhole vent pipe is installed at the top of the buffer entry chamber. A manhole drain pipe is installed at the bottom of one side wall of the buffer entry channel, with its outer end extending outside the buffer entry channel. Manhole door pressure equalizing valves are installed on both sides of the inner and outer manhole doors. The inner manhole door faces the outlet of the drainage mechanism.

[0015] A construction method for a large spring chamber structure for natural spring water, which involves lowering the water level to fully expose the natural spring, includes the following steps: Step 1: Organize the exterior of the natural spring; assemble the lower part of the stainless steel sealing door, the drainage pipe, the guide pipe, and the pipe fixing bracket to form a kit; assemble the guide mechanism; Step 2: Construction diversion system, installation of stainless steel blocking gates; The stainless steel door frame is anchored to the orderly exterior of the natural spring. The assembled kit is hoisted onto the stainless steel door frame, and the assembled flow guiding mechanism is fixed using pre-embedded screw holes, stainless steel screw components, PTFE gaskets, and pressure plates. During the initial construction phase, the flow pipe is sealed using a sealing component. Spring water flows through the flow guiding pipe and is discharged from the construction site, creating dry construction conditions. The upper page of the stainless steel sealing door is installed using the same method, and the upper and lower pages of the stainless steel sealing door are welded together to form the upper and lower weld seams of the stainless steel sealing door. Step 3: Basic processing; The surface of the construction site is cleaned, and pile foundations and foundation structures are selectively constructed according to geological conditions. The height of the steel reinforcement at the top of the pile foundation extends to the inside of the spring chamber module. After the pile foundation construction is completed, the foundation structure is constructed. The foundation structure uses a crushed stone cushion layer with a thickness of not less than 10cm. Step 4: Construction of the spring chamber module; An anchor structure is constructed at the junction of the spring chamber module and the rock mass. One to two rows of anchor piles are laid on the rock wall on the side of the natural spring, and system anchors are evenly laid at the bottom of them. The steel bars of the spring chamber module are lapped with the reserved steel bars at the top of the pile foundation, and the spring chamber module is cast into one piece during construction. After the above construction is completed, the steel reinforcement of the spring chamber module and the buffer entrance chamber is tied, and the main structure of the spring chamber module and the buffer entrance chamber is poured at the same time. During the pouring process, the water outlet pipe, spring chamber ventilation pipe, manhole ventilation pipe and manhole drainage pipe are embedded in advance, and water-stop rings are installed at the intersections of the stainless steel diversion pipe, guide pipe, water outlet pipe, spring chamber ventilation pipe, manhole ventilation pipe and manhole drainage pipe with the concrete. Step 5: Install the buffer entry room equipment; Once the concrete structure of the spring chamber module meets the required age, the inner and outer manhole doors, which have been pre-installed with manhole pressure valves, will be installed in sequence. Step Six: Install the internal components of the spring water buffer chamber; The stainless steel lining and baffle plate are installed inside the spring water buffer chamber via the entry chamber. The stainless steel lining is formed by welding stainless steel plates to create a complete structural surface. The stainless steel lining is tightly attached to the inner wall of the spring water buffer chamber, and the stainless steel plates are fixed to the inner wall of the spring water buffer chamber using stainless steel expansion bolts and PTFE gaskets. Cement mortar is injected to fill the contact surface between the stainless steel lining and the inner wall of the spring water buffer chamber. At all reserved pipe locations, holes are made in the stainless steel lining and welded to the corresponding pipes. The stainless steel lining should be lapped and welded to the inner and outer manhole doors to ensure the weld is complete. The baffle plate is welded to the stainless steel lining. Step 7: Trial run; Enter the spring water buffer chamber through the buffer entry chamber, remove the sealing components installed on the diversion pipe, and install them at the end of the diversion pipe.

[0016] Beneficial effects: 1. This invention utilizes a design that lines the interior of an underwater enclosed spring with stainless steel and provides an external buffer inlet, thus providing a compact, well-sealed underwater water storage structure for springs that is anchored to the natural rock mass.

[0017] 2. The present invention provides a method for constructing the structure under dry conditions, effectively isolating reservoir water, ensuring the quality of raw water, and possessing large-scale water storage capacity, thereby fundamentally guaranteeing the quality of water intake and the safety of the project.

[0018] 3. The buffer entry chamber design of this invention effectively solves the problem of spring water mixing with external water during underwater spring chamber maintenance, providing convenient conditions for underwater maintenance and ensuring safe operation and water quality stability in the later stages.

[0019] 4. By employing stainless steel sealing gates, diversion pipes, drainage pipes, and sealing components, this invention achieves complete isolation between natural spring water and reservoir water, ensuring that the spring water quality is not affected by the reservoir water and avoiding the problem of water mixing.

[0020] 5. The present invention adopts a compact spring chamber module and stainless steel lining, which improves the stability and durability of the structure and ensures long-term maintenance-free operation in underwater environment.

[0021] 6. Compared with traditional technologies, this invention has the advantages of simple construction, short construction period and low cost.

[0022] 7. This invention can effectively protect the underwater landscape while ensuring water quality, avoiding the damage to the landscape caused by large-scale cofferdam construction.

[0023] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a plan view of the present invention.

[0026] Figure 2 This is a cross-sectional view of the present invention.

[0027] Figure 3 This is an elevation view of the stainless steel sealing door in this invention.

[0028] Figure 4 This is a plan view of the stainless steel sealing door in this invention.

[0029] Figure 5 This is a detailed structural diagram of the stainless steel screw assembly in this invention.

[0030] Figure 6 This is a detailed structural diagram of the guide tube and drainage tube in this invention.

[0031] Figure 7 This is a detailed plan view of the buffer entry room layout in this invention.

[0032] Figure 8 This is a schematic diagram of the pressure relief valves on the inner and outer manhole doors of the present invention.

[0033] Figure 9 This is a schematic diagram of the stainless steel liner fixing process in this invention.

[0034] In the diagram: 1. Natural spring; 2. Stainless steel sealing door; 3. Spring chamber module; 4. Drainage pipe; 5. Guide pipe; 6. Sealing component; 7. Stainless steel lining; 8. Guide plate; 9. Outlet pipe; 10. Spring chamber ventilation pipe; 11. Buffer entrance chamber; 12. Anchor structure; 13. Foundation structure; 14. Pile foundation; 15. Water-stop ring; 16. Stainless steel expansion bolt; 2-1. Stainless steel door frame; 2-2. Pre-embedded bolt holes; 2-3. Top of stainless steel sealing door; 2-4. [Unclear text - likely related to sealing door] Stainless steel sealing door (bottom page); 2-5. Pipe fixing bracket; 2-6. Welds on the upper and lower pages of stainless steel sealing door; 2-7. Stainless steel screw assembly; 2-8. PTFE gasket; 2-9. Pressure plate; 6-1. Stainless steel perforated blind flange; 6-2. Stainless steel sealed pipe; 6-3. Stainless steel blind flange; 11-1. Inner manhole door; 11-2. Outer manhole door; 11-3. Manhole vent pipe; 11-4. Manhole drain pipe; 11-5. Manhole door pressure valve; 11-6. Buffer entry passage. Detailed Implementation

[0035] 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 a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0036] Example 1: according to Figures 1-9 The diagram shows a large spring chamber structure for a spring, comprising a stainless steel sealing door 2, a spring chamber module 3, a diversion mechanism, a flow guiding mechanism, a buffer inlet chamber 11, and an outlet pipe 9. The stainless steel sealing door 2 is located at the entrance of the natural spring 1 and is used to seal the natural spring 1. The spring chamber module 3 is entirely underwater and includes a spring water buffer chamber 17 and a buffer inlet chamber 11. The spring water buffer chamber 17 is located between the stainless steel sealing door 2 and the buffer inlet chamber 11. The spring water buffer chamber 17 is connected to the natural spring 1 via the diversion mechanism, and the flow guiding mechanism is connected to the diversion mechanism. The outlet pipe 9 is located on the inner wall of the spring water buffer chamber 17 on both sides of the buffer inlet chamber 11.

[0037] This invention employs stainless steel sealing gates 2, flow guiding mechanisms, and diversion mechanisms to completely isolate the spring water from the reservoir water, ensuring that the spring water quality is unaffected by the reservoir water and avoiding water mixing issues. Simultaneously, the compact spring chamber module 3 enhances structural stability and durability, ensuring long-term maintenance-free operation in an underwater environment. Compared to traditional technologies, this invention offers advantages such as simple construction, short construction period, and low cost. Furthermore, it effectively protects the underwater landscape while ensuring water quality, avoiding the damage caused by large-scale cofferdam construction. In addition, the design of the buffer entry chamber 11 effectively solves the problem of spring water mixing with external water during underwater spring chamber maintenance, providing convenient conditions for underwater inspection and ensuring safe operation and water quality stability in the later stages.

[0038] Spring chamber module 3 is the main structure of this invention. The entire structure is located underwater and is a rectangular reinforced concrete structure.

[0039] In practical applications, the present invention achieves the discharge of spring water under a blocked state by setting up a diversion mechanism and a guide mechanism, thereby forming a closed space underwater where dry construction can be carried out. Furthermore, by setting up a buffer entry chamber 11 connected to the spring water buffer chamber 17, physical isolation between the spring water and the outside water is achieved during underwater maintenance.

[0040] In some embodiments, the stainless steel blocking door 2 includes a stainless steel door frame 2-1, a stainless steel upper page 2-3, a stainless steel lower page 2-4, a pipe fixing bracket 2-5, and a stainless steel screw assembly 2-7. The stainless steel door frame 2-1 is a rectangular structure, embedded in the opening of the natural spring 1. The stainless steel door frame 2-1 has pre-embedded screw holes 2-2. The stainless steel upper page 2-3 is installed on the upper part of the stainless steel door frame 2-1 through the stainless steel screw assembly 2-7, and the stainless steel lower page 2-4 is installed inside the stainless steel door frame 2-1 and located below the upper page 2-3 through the stainless steel screw assembly 2-7. The pipe fixing bracket 2-5 is connected to the lower page 2-4 of the stainless steel door and is used to support and fix the drainage mechanism.

[0041] Furthermore, it also includes a PTFE gasket 2-8 and a pressure plate 2-9; the PTFE gasket 2-8 is placed between the stainless steel door frame 2-1 and the upper page 2-3 and lower page 2-4 of the stainless steel sealing door; the pressure plate 2-9 is placed between the upper page 2-3 and lower page 2-4 of the stainless steel sealing door and the stainless steel screw assembly 2-7, for reinforcing the stainless steel screw assembly 2-7.

[0042] In practical use, the stainless steel sealing gate 2 is a sealing component for the underwater natural spring 1, and its overall structure is as follows: Figure 3 , Figure 4 , Figure 5 As shown.

[0043] The stainless steel door frame 2-1 is embedded in the opening of the natural spring 1. It adopts a rectangular structure and is reinforced with concrete between itself and the natural rock wall. Its main function is to provide an installation frame for the stainless steel sealing door 2.

[0044] The diameter of the pre-embedded screw hole 2-2 matches the specifications of the stainless steel screw assembly 2-7, and is used for the later installation of the stainless steel screw assembly 2-7.

[0045] The stainless steel blocking door (page 2-3) is located at the upper part of the stainless steel blocking door 2. Its main function is to prevent the spring water from flowing out. When the water level of the natural spring 1 is low or before it is installed, construction personnel can enter the spring through this door to carry out construction.

[0046] Stainless steel blocking gate (page 2-4) is located at the lower part of stainless steel blocking gate 2. Its main function is the same as that of stainless steel blocking gate (page 2-3), which is to prevent the spring water from flowing out. It plays its role first in the initial stage of construction and when the water level in natural spring 1 is low. It must not be disassembled.

[0047] Pipe fixing brackets 2-5 are made of stainless steel reinforcing ribs. Their main function is to fix the drainage pipe 4 in the drainage mechanism, provide it with lateral support, and ensure that the drainage pipe 4 does not deform when it is full of water.

[0048] Weld 2-6 on the upper and lower pages of the stainless steel blocking door is mainly used to connect the upper page 2-3 and the lower page 2-4 of the stainless steel blocking door.

[0049] Stainless steel screw assembly 2-7, such as Figure 5 As shown, its position corresponds one-to-one with the pre-embedded screw holes 2-2 on the stainless steel door frame 2-1, and is used to fix the stainless steel sealing door 2 on the stainless steel door frame 2-1. By tightening the stainless steel screw assembly 2-7, a closed structure is formed inside the natural spring 1.

[0050] The PTFE gasket 2-8 is installed between the stainless steel door frame 2-1 and the upper and lower pages of the stainless steel sealing door 2-3 and 2-4, and between the stainless steel expansion bolt 16 and the inner wall of the spring chamber module 3. Its main function is to stop water between the stainless steel materials.

[0051] Pressure plate 2-9 is located between stainless steel sealing door upper page 2-3, stainless steel sealing door lower page 2-4 and stainless steel screw assembly 2-7, and is used to reinforce stainless steel screw assembly 2-7 so that it is evenly stressed.

[0052] This invention employs stainless steel sealing gate 2, diversion pipe 5, drainage pipe 4, and sealing component 6 to achieve complete isolation between the spring water of the natural spring 1 and the reservoir water, ensuring that the spring water quality is not affected by the reservoir water and avoiding the problem of water mixing.

[0053] In this embodiment, the drainage tube 4 is made of stainless steel.

[0054] In some embodiments, an anchor structure 12 is provided inside the spring chamber module 3; a pile foundation 14 and a foundation structure 13 are provided from bottom to top at the bottom of the spring chamber module 3; a stainless steel liner 7 is connected to the inner wall of the spring water buffer chamber 17; and a cement-based grouting material with high water resistance and strong compressive strength is filled between the stainless steel liner 7 and the spring chamber module 3.

[0055] Furthermore, two guide plates 8 are provided on the inner wall of the spring water buffer chamber 17; the two guide plates 8 are respectively located on both sides of the buffer inlet chamber 11 and between the two outlet pipes 9; the two guide plates 8 are perpendicular to the inner wall of the spring water buffer chamber 17, and the length of the guide plates 8 is less than the width of the spring water buffer chamber 17; a spring chamber vent pipe 10 is provided on the top of the spring water buffer chamber 17.

[0056] In practical use, the main function of the spring water buffer chamber 17 is to provide a buffer pool for spring water to meet water intake requirements. The concrete strength should not be lower than C30, and its volume should meet the daily production needs of the water plant.

[0057] The stainless steel liner 7 is made of stainless steel plate, with 316 stainless steel plate, known for its excellent corrosion resistance, being the preferred material. It is fixed to the inner wall of the spring water buffer chamber 17 within the spring chamber module 3 using stainless steel expansion bolts 16. The space between the stainless steel liner 7 and the spring chamber module 3 is filled with a cement-based grouting material that offers high water resistance and compressive strength, ensuring a tight fit against the inner wall of the spring water buffer chamber 17. This provides good load-bearing capacity and prevents deformation under pressure. Its main function is to form a stainless steel enclosure within the spring water buffer chamber 17, preventing the spring water from contacting the concrete structure and protecting the water quality.

[0058] The guide plate 8 is made of stainless steel plate, with a thickness that meets the structural stability requirements. The guide plate 8 is welded and fixed to the stainless steel lining 7. Its main function is to buffer the spring water flowing out of the drainage pipe 4, meeting the flow stabilization requirements of the outlet pipe 9. In practical application, the length of the guide plate 8 is designed to be less than the width of the spring water buffer chamber 17, so that one side of the guide plate 8 is fixed to one side wall of the spring water buffer chamber 17 along its length, while a gap is left between the other side of the guide plate 8 and the other side wall of the spring water buffer chamber 17 along its length, facilitating the flow of spring water into the spring water buffer chamber 17.

[0059] The outlet pipe 9 is made of stainless steel, and a water-stop ring 15 is installed where it passes through the concrete structure of the spring chamber module 3. After the spring water flows into the spring water buffer chamber 17 through the diversion pipe 4 and is stabilized by the guide plate 8, it is introduced into the water plant through the outlet pipe 9. The diameter of the outlet pipe 9 is determined according to the operation requirements of the water plant.

[0060] The spring chamber vent pipe 10 is made of stainless steel and is located at the top of the spring chamber module 3. Its lower end is placed inside the spring water buffer chamber 17, and its upper end is above the water level, connecting to the atmosphere. Its main function is to create a vacuum inside the spring chamber module 3 when spring water flows out through the outlet pipe 9. The vent pipe 10 then connects to the outside to replenish the air, allowing the spring water to flow out normally. The diameter D1 of the spring chamber vent pipe 10 should meet the following requirements:

[0061] In the formula: The value is the inner diameter of the required vent pipe for the spring chamber, in meters; the calculated result should be rounded up to the standard pipe diameter. The flow rate of water from the spring chamber is expressed in m³ / h. The allowable wind speed inside the ventilation duct is generally taken as 1.0 m / s.

[0062] Anchor structure 12 is arranged between spring chamber module 3 and the rock wall, and can take the form of anchor piles, system anchors, etc. Anchor piles are located at the top of spring chamber module 3, using system interlocking anchor piles, with a row spacing of 3m, an exposed length of 3m, and a length of 9m. System anchors are arranged in the middle and lower parts of the spring chamber module 3 on the rock wall side, using system anchors, with a row spacing of 2m, a length of 3m, and an exposed length of 1m. Their arrangement should meet the stability requirements of spring chamber module 3.

[0063] The foundation structure 13, located at the bottom of the spring chamber module 3, uses a 30-50cm thick crushed stone foundation to meet the requirements for pouring concrete foundation.

[0064] Pile foundation 14, located at the bottom of foundation structure 13, adopts a cast-in-place concrete pile structure. Its depth and spacing should meet the load requirements of spring chamber module 3 and its supporting facilities. This location is not essential to this invention and needs to be added based on the actual engineering geological conditions.

[0065] The present invention employs a compact spring chamber module 3 and a stainless steel liner 7, which improves the stability and durability of the structure and ensures long-term maintenance-free operation in underwater environments. In some embodiments, the diversion mechanism includes a diversion pipe 4 and a sealing component 6; one end of the diversion pipe 4 passes through a stainless steel sealing door 2 and communicates with the natural spring 1, and the other end of the diversion pipe 4 extends into the spring water buffer chamber 17, and this end is connected to the sealing component 6; a flow guiding mechanism is connected to the diversion pipe 4 between the spring water buffer chamber 17 and the stainless steel sealing door 2.

[0066] Furthermore, the flow guiding mechanism includes a flow guiding pipe 5 and a blocking component 6; one end of the flow guiding pipe 5 is connected to the drainage pipe 4, and the other end of the flow guiding pipe 5 extends to the outside of the spring chamber module 3, and this end is connected to the blocking component 6.

[0067] Furthermore, the sealing assembly 6 includes a stainless steel perforated blind plate 6-1, a stainless steel sealing pipe 6-2, and a stainless steel blind plate 6-3; the stainless steel perforated blind plate 6-1 is a circular blind plate with a through hole in its middle position; one end of the stainless steel sealing pipe 6-2 is connected to the stainless steel perforated blind plate 6-1, and the other end is connected to the stainless steel blind plate 6-3.

[0068] In actual use, the diversion pipe 4 is made of stainless steel and welded to the stainless steel sealing gate (page 2-4) as a whole. Its main function is to introduce water from the sealed natural spring 1 into the spring buffer chamber 17. The pipe diameter should meet the water intake design requirements of the water plant. The formula for calculating the pipe diameter d of the diversion pipe 4 is as follows:

[0069] In the formula: d is the inner diameter of the drainage tube, in meters (m). Volumetric flow rate, in m³ / s; The design flow rate is expressed in m / s (for specific applications, the economic flow rate can be used). The guide pipe 5 is made of stainless steel and is welded vertically or obliquely to the middle of the diversion pipe 4, depending on the actual situation. It is mainly used for initial diversion, allowing the spring water in the sealed natural spring 1 to flow through the diversion pipe 4 to the guide pipe 5 and out of the construction site, creating dry construction conditions for the spring chamber module 3. The diameter requirements for the guide pipe 5 are the same as those for the diversion pipe 4.

[0070] Blocking component 6, such as Figure 6As shown. When the diameters of drainage tube 4 and guide tube 5 are large (d≥50cm), the sealing component 6 adopts a step-by-step sealing method, gradually converting from large diameter to small diameter. When the diameters of drainage tube 4 and guide tube 5 are small (d<50cm), they can be sealed in one step. It is mainly used for sealing drainage tube 4 and guide tube 5.

[0071] Stainless steel perforated blind flange 6-1 is installed at the outlet of drain pipe 4 or guide pipe 5, with dimensions matching those of drain pipe 4 or guide pipe 5, and is connected via flange. The stainless steel perforated blind flange 6-1 is a circular blind flange with a perforation in the center. The perforation size is the same as that of the stainless steel plugged pipe 6-2, depending on its intended use for welding the next stage of stainless steel plugged pipe.

[0072] Stainless steel plugged pipe 6-2, welded to the middle of stainless steel perforated blind flange 6-1, 5cm in length, and pipe diameter should meet the following requirements: D 小管径 =0.6D 大管径 Stainless steel blind flange 6-3, installed at the end of sealing assembly 6, is connected by flange and is used for the final stage of sealing of drainage pipe 4 and guide pipe 5.

[0073] In this embodiment, the guide tube 5 is made of stainless steel.

[0074] In some embodiments, the buffer entry chamber 11 includes an inner manhole door 11-1, an outer manhole door 11-2, a manhole vent pipe 11-3, a manhole drain pipe 11-4, a manhole door pressure equalization valve 11-5, and a buffer entry channel 11-6; the buffer entry channel 11-6 is located on one side of the spring water buffer chamber 17 and communicates with the spring water buffer chamber 17; the inner manhole door 11-1 is located at the junction of the spring water buffer chamber 17 and the buffer entry chamber 11, and is placed inside the spring water buffer chamber 17; the manhole... The outer door 11-2 is located outside the buffer entry channel 11-6; a manhole vent pipe 11-3 is installed on the top of the buffer entry chamber 11; a manhole drain pipe 11-4 is installed at the bottom of one side wall of the buffer entry channel 11-6, and the outer end of the manhole drain pipe 11-4 extends to the outside of the buffer entry channel 11-6; a manhole pressure valve 11-5 is installed on both sides of the inner manhole door 11-1 and the outer manhole door 11-2; the inner manhole door 11-1 is directly opposite the outlet of the drainage mechanism.

[0075] In actual use, the buffer entry chamber 11 is located outside the spring water buffer chamber 17, directly opposite the outlet of the diversion pipe 4. It is constructed of reinforced concrete and forms an integral part with the spring water buffer chamber 17. It is used for personnel access during construction and operation. Its main function is to conduct underwater maintenance when the external water level is high, while ensuring the separation of external water from spring water.

[0076] The buffer entry chamber 11 adopts a double-door structure. Its main working principle is as follows: maintenance personnel open the outer manhole door 11-2 to enter the buffer entry channel 11-6 (when the water pressure is unbalanced, open the manhole door equalization valve 11-5 on the outer manhole door 11-2), external water enters the buffer entry channel 11-6, the outer manhole door 11-2 is closed, the manhole drain pipe 11-4 is opened to drain the external water in the buffer entry channel 11-6, and then the inner manhole door 11-1 is closed and opened (when the water pressure is unbalanced, open the manhole door equalization valve 11-5 on the inner manhole door 11-1), and maintenance personnel enter the spring water buffer chamber 17 for maintenance.

[0077] The manhole inner door 11-1, made of stainless steel, is located inside the spring water buffer chamber 17 and serves as a buffer entrance chamber 11 between the spring water buffer chamber 17 and the buffer entrance chamber 11. A manhole door pressure relief valve 11-5 is installed at the bottom of the door panel of the manhole inner door 11-1.

[0078] The manhole outer door 11-2, made of stainless steel, is located outside the buffer access channel 11-6 and is used to isolate the buffer access channel 11-6 from external water. A manhole door pressure relief valve 11-5 is installed at the bottom of the door panel of the manhole outer door 11-2.

[0079] The manhole vent pipe 11-3, made of stainless steel, is located at the top of the buffer inlet channel 11-6, connecting the buffer inlet channel 11-6 to the atmosphere. Its main function is to replenish air to the buffer inlet channel 11-6 in a timely manner when the manhole drain pipe 11-4 is working. The diameter and air volume of the manhole vent pipe 11-3 are calculated based on the underwater working environment and flow requirements to ensure smooth operation at different water levels.

[0080] The manhole drain pipe 11-4, made of stainless steel, is located at the bottom of the buffer inlet channel 11-6 and its main function is to drain the water in the buffer inlet channel 11-6.

[0081] The manhole pressure equalization valve 11-5 is a stainless steel manual pressure equalization valve installed at the bottom of the inner manhole door 11-1 and the outer manhole door 11-2. The manhole pressure equalization valve 11-5 is installed on both the inner and outer sides of the door. The manhole pressure equalization valve 11-5 is mainly used to balance the pressure on the inner and outer sides of the inner manhole door 11-1 and the outer manhole door 11-2, facilitating underwater opening and closing of the doors.

[0082] Water-stop ring 15 is a rigid water-stop ring, which is set at the junction of stainless steel pipe and concrete structure. Its main function is to stop water flow and ensure that spring water does not flow out and external water does not flow in.

[0083] The stainless steel expansion bolt 16, located at the connection between the stainless steel liner 7 and the inner wall of the spring chamber module 3, has strong corrosion resistance and tensile strength, and can withstand the effects of temperature and water pressure changes in a long-term underwater environment. It is used to fix the stainless steel liner 7 to the spring chamber module 3.

[0084] The design of the buffer entry chamber 11 in this invention effectively solves the problem of spring water mixing with external water during the maintenance of underwater spring chambers, providing convenient conditions for underwater maintenance and ensuring safe operation and water quality stability in the later stages.

[0085] Example 2: A construction method for a large spring chamber structure for spring water, wherein construction is carried out after the water level has dropped to fully expose the natural spring 1, includes the following steps: Step 1: Organize the exterior of the natural spring 1; assemble the stainless steel sealing door (page 2-4), drainage pipe 4, guide pipe 5, and pipe fixing bracket 2-5 to form a kit; assemble the guide mechanism; Step 2: Construction diversion system, installation of stainless steel blocking gate 2; Anchor the stainless steel door frame 2-1 to the exterior of the regularized natural spring 1; hoist the assembled kit onto the stainless steel door frame 2-1, and fix the assembled flow guiding mechanism using the pre-embedded screw holes 2-2, stainless steel screw assembly 2-7, PTFE gasket 2-8, and pressure plate 2-9; during the initial construction, seal the flow pipe 4 using the sealing assembly 6, and let the spring water flow through the flow pipe 4 to the flow guiding pipe 5 and discharge it from the construction site to create dry construction conditions; install the upper page 2-3 of the stainless steel sealing door using the same method, and weld the upper page 2-3 of the stainless steel sealing door to the lower page 2-4 of the stainless steel sealing door to form the upper and lower page weld 2-6 of the stainless steel sealing door. Step 3: Basic processing; The surface of the construction site is cleaned, and the pile foundation 14 and foundation structure 13 are selectively constructed according to the geological conditions. The top of the pile foundation 14 is reserved with steel reinforcement up to the inside of the spring chamber module 3. After the pile foundation 14 is completed, the foundation structure 13 is constructed. The foundation structure 13 uses a crushed stone cushion layer with a thickness of not less than 10cm. Step 4: Construction of Spring Chamber Module 3; An anchor structure 12 is constructed at the junction of spring chamber module 3 and rock mass. One to two rows of anchor piles are laid on the rock wall on the side of natural spring 1, and system anchors are evenly laid at the bottom. The steel bars of spring chamber module 3 are lapped with the reserved steel bars at the top of pile foundation 14, and the spring chamber module 3 is cast into one piece during construction. After the above construction is completed, the internal steel bars of the spring chamber module 3 and the buffer entrance chamber 11 are tied, and the main structure of the spring chamber module 3 and the buffer entrance chamber 11 is poured at the same time. During the pouring process, the water outlet pipe 9, the spring chamber ventilation pipe 10, the manhole ventilation pipe 11-3 and the manhole drainage pipe 11-4 are embedded in advance, and water-stop rings 15 are installed at the intersections of the stainless steel diversion pipe 4, the guide pipe 5, the water outlet pipe 9, the spring chamber ventilation pipe 10, the manhole ventilation pipe 11-3 and the manhole drainage pipe 11-4 with the concrete. Step 5: Install the buffer entry room equipment 11; After the concrete structure of the spring chamber module 3 meets the age requirements, the inner manhole door 11-1 and the outer manhole door 11-2, which have been pre-installed with the manhole pressure valve 11-5, will be installed in sequence. Step 6: Install the internal components of the spring water buffer chamber 17; Entering the spring water buffer chamber 17 through the buffer entry chamber 11, a stainless steel liner 7 and a flow guide plate 8 are installed inside. The stainless steel liner 7 is formed by welding stainless steel plates to create a complete structural surface. The stainless steel liner 7 is tightly attached to the inner wall of the spring water buffer chamber 17, and the stainless steel plates are fixed to the inner wall of the spring water buffer chamber 17 using stainless steel expansion bolts 16 and PTFE gaskets 2-8. Cement mortar is injected to fill the contact surface between the stainless steel liner 7 and the inner wall of the spring water buffer chamber 17. At all reserved pipe locations, holes are made in the stainless steel liner 7 and welded to the corresponding pipes. The stainless steel liner 7 should be overlapped and welded to the inner manhole door 11-1 and the outer manhole door 11-2 to ensure the integrity of the weld. The flow guide plate 8 is welded to the stainless steel liner 7. Step 7: Trial run; Enter the spring water buffer chamber 17 through the buffer entry chamber 11, remove the sealing component 6 installed on the diversion pipe 4, and install it at the end of the guide pipe 5.

[0086] In practical applications, the water-stop ring 15 is a rigid water-stop ring, which is set at the junction of the stainless steel pipe and the concrete structure. Its main function is to stop water flow and ensure that spring water does not flow out and external water does not flow in.

[0087] The stainless steel expansion bolt 16, located at the connection between the stainless steel liner 7 and the inner wall of the spring chamber module 3, has strong corrosion resistance and tensile strength, and can withstand the effects of temperature and water pressure changes in a long-term underwater environment. It is used to fix the stainless steel liner to the spring chamber module 3.

[0088] Where there is no conflict, those skilled in the art can combine the relevant technical features in the above examples according to the actual situation to achieve the corresponding technical effects. Specific details of various combinations are not elaborated here; for components not specifically described, the prior art is used.

[0089] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0090] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0091] The above description is merely a preferred embodiment of the present invention. The present invention is not limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modifications, equivalent variations, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the present invention.

Claims

1. A large spring chamber structure for spring water, characterized in that: The system includes a stainless steel blocking door (2), a spring chamber module (3), a diversion mechanism, a flow guiding mechanism, a buffer entry chamber (11), and an outlet pipe (9). The stainless steel blocking door (2) is installed at the opening of the natural spring (1) to block the natural spring (1). The spring chamber module (3) is located underwater and includes a spring water buffer chamber (17) and a buffer entry chamber (11). The spring water buffer chamber (17) is located between the stainless steel blocking door (2) and the buffer entry chamber (11). The spring water buffer chamber (17) is connected to the natural spring (1) through the diversion mechanism. The diversion mechanism is connected to the flow guiding mechanism. The outlet pipe (9) is installed on the inner wall of the spring water buffer chamber (17) on both sides of the buffer entry chamber (11).

2. The large spring chamber structure for spring water as described in claim 1, characterized in that: The stainless steel blocking door (2) includes a stainless steel door frame (2-1), a stainless steel blocking door upper page (2-3), a stainless steel blocking door lower page (2-4), a pipe fixing bracket (2-5), and a stainless steel screw assembly (2-7). The stainless steel door frame (2-1) is a rectangular structure and is embedded in the opening of the natural spring (1). The stainless steel door frame (2-1) has pre-embedded screw holes (2-2). The stainless steel blocking door upper page (2-3) is installed on the upper part of the stainless steel door frame (2-1) through the stainless steel screw assembly (2-7), and the stainless steel blocking door lower page (2-4) is installed inside the stainless steel door frame (2-1) and located below the stainless steel blocking door upper page (2-3) through the stainless steel screw assembly (2-7). The pipe fixing bracket (2-5) is connected to the stainless steel blocking door lower page (2-4) and is used to support and fix the drainage mechanism.

3. A large spring chamber structure for spring water as described in claim 2, characterized in that: It also includes a PTFE gasket (2-8) and a pressure plate (2-9); the PTFE gasket (2-8) is placed between the stainless steel door frame (2-1) and the upper page (2-3) and lower page (2-4) of the stainless steel sealing door; the pressure plate (2-9) is placed between the upper page (2-3) and lower page (2-4) of the stainless steel sealing door and the stainless steel screw assembly (2-7) to reinforce the stainless steel screw assembly (2-7).

4. A large spring chamber structure for spring water as described in claim 1, 2, or 3, characterized in that: An anchor structure (12) is provided inside the spring chamber module (3); a pile foundation (14) and a foundation structure (13) are provided at the bottom of the spring chamber module (3) from bottom to top; a stainless steel lining (7) is connected to the inner wall of the spring water buffer chamber (17); a cement-based grouting material with high water resistance and strong compressive strength is filled between the stainless steel lining (7) and the spring chamber module (3).

5. A large spring chamber structure for spring water as described in claim 4, characterized in that: Two guide plates (8) are provided on the inner wall of the spring water buffer chamber (17); the two guide plates (8) are respectively located on both sides of the buffer inlet chamber (11) and between the two outlet pipes (9); the two guide plates (8) are perpendicular to the inner wall of the spring water buffer chamber (17), and the length of the guide plate (8) is less than the width of the spring water buffer chamber (17); a spring chamber ventilation pipe (10) is provided on the top of the spring water buffer chamber (17).

6. A large spring chamber structure for spring water as described in claim 1 or 2, characterized in that: The diversion mechanism includes a diversion pipe (4) and a sealing component (6); one end of the diversion pipe (4) passes through a stainless steel sealing door (2) and communicates with the natural spring (1), and the other end of the diversion pipe (4) extends into the spring water buffer chamber (17), and this end is connected to the sealing component (6); a flow guiding mechanism is connected to the diversion pipe (4) between the spring water buffer chamber (17) and the stainless steel sealing door (2).

7. A large spring chamber structure for spring water as described in claim 6, characterized in that: The flow guiding mechanism includes a flow guiding pipe (5) and a blocking component (6); one end of the flow guiding pipe (5) is connected to the drainage pipe (4), and the other end of the flow guiding pipe (5) extends to the outside of the spring chamber module (3), and this end is connected to the blocking component (6).

8. A large spring chamber structure for spring water as described in claim 6 or 7, characterized in that: The sealing assembly (6) includes a stainless steel perforated blind plate (6-1), a stainless steel sealing pipe (6-2), and a stainless steel blind plate (6-3); the stainless steel perforated blind plate (6-1) is a circular blind plate with a through hole in its middle position; one end of the stainless steel sealing pipe (6-2) is connected to the stainless steel perforated blind plate (6-1), and the other end is connected to the stainless steel blind plate (6-3).

9. A large spring chamber structure for spring water as described in claim 1 or 5, characterized in that: The buffer entry chamber (11) includes an inner manhole door (11-1), an outer manhole door (11-2), a manhole vent pipe (11-3), a manhole drain pipe (11-4), a manhole pressure regulating valve (11-5), and a buffer entry channel (11-6); the buffer entry channel (11-6) is located on one side of the spring water buffer chamber (17) and communicates with the spring water buffer chamber (17); the inner manhole door (11-1) is located at the junction of the spring water buffer chamber (17) and the buffer entry chamber (11), and is placed inside the spring water buffer chamber (17); the outer manhole door (11-2 ...-3), and is placed inside the spring water buffer chamber (17); the outer manhole door (11-3) is located at the junction of the spring water buffer chamber (17) and the buffer entry chamber (11-4), and is located at the junction of the spring water buffer chamber (17) and the buffer entry channel (11-5). Door (11-2) is located outside the buffer entry channel (11-6); a manhole vent pipe (11-3) is installed at the top of the buffer entry chamber (11); a manhole drain pipe (11-4) is installed at the bottom of one side wall of the buffer entry channel (11-6), and the outer end of the manhole drain pipe (11-4) extends to the outside of the buffer entry channel (11-6); a manhole door pressure relief valve (11-5) is installed on both sides of the inner manhole door (11-1) and the outer manhole door (11-2); the inner manhole door (11-1) is directly opposite the outlet of the drainage mechanism.

10. A construction method for a large spring chamber structure for spring water as described in claim 5, 8, or 9, characterized in that: Construction will commence after the water level has dropped to fully expose the natural spring (1), and will include the following steps: Step 1: Arrange the exterior of the natural spring (1); Assemble the stainless steel sealing door (2-4), the drainage pipe (4), the guide pipe (5) and the pipe fixing bracket (2-5) to form a kit; Assemble the guide mechanism; Step 2: Construction diversion system, install stainless steel blocking gate (2); Anchor the stainless steel door frame (2-1) to the exterior of the regularized natural spring (1); hoist the assembled kit onto the stainless steel door frame (2-1), and fix the assembled flow guiding mechanism using the pre-embedded screw holes (2-2), stainless steel screw assembly (2-7), PTFE gasket (2-8), and pressure plate (2-9); during the initial construction, seal the flow pipe (4) using the sealing assembly (6), and let the spring water flow through the flow pipe (4) into the flow guiding pipe (5) and discharge it from the construction site to create dry construction conditions; install the upper page (2-3) of the stainless steel sealing door in the same way, and weld the upper page (2-3) of the stainless steel sealing door to the lower page (2-4) of the stainless steel sealing door to form the upper and lower page weld seam (2-6) of the stainless steel sealing door. Step 3: Basic processing; Clean the surface of the construction site and selectively construct pile foundation (14) and foundation structure (13) according to geological conditions; reserve the height of the steel bars at the top of the pile foundation (14) up to the inside of the spring chamber module (3); after the pile foundation (14) is completed, the foundation structure (13) is constructed. The foundation structure (13) uses a crushed stone cushion layer with a thickness of not less than 10cm. Step 4: Construction of the spring chamber module (3); An anchor structure (12) is constructed at the junction of the spring chamber module (3) and the rock mass. 1-2 rows of anchor piles are laid on the rock wall on the side of the natural spring (1), and system anchors are evenly laid at the bottom. The steel bars of the spring chamber module (3) are lapped with the steel bars reserved at the top of the pile foundation (14), and the spring chamber module (3) is poured into one piece during construction. After the above construction is completed, tie the internal steel bars of the spring chamber module (3) and the buffer entrance chamber (11), and pour the main structure of the spring chamber module (3) and the buffer entrance chamber (11). During the pouring process, embed the water outlet pipe (9), spring chamber ventilation pipe (10), manhole ventilation pipe (11-3) and manhole drainage pipe (11-4) in advance, and install water-stop rings 15 at the intersections of the diversion pipe (4), guide pipe (5), water outlet pipe (9), spring chamber ventilation pipe (10), manhole ventilation pipe (11-3) and manhole drainage pipe (11-4) with the concrete. Step 5: Install the buffer entry room (11) equipment; After the concrete structure of the spring chamber module (3) meets the age requirements, the inner manhole door (11-1) and outer manhole door (11-2) with the pre-installed manhole pressure valve (11-5) will be installed in sequence; Step 6: Install the internal components of the spring water buffer chamber (17); Entering the spring water buffer chamber (17) through the buffer entry chamber (11), a stainless steel liner (7) and a flow guide plate (8) are installed inside. The stainless steel liner (7) is formed by welding stainless steel plates to form a complete structural surface. The stainless steel liner (7) is tightly attached to the inner wall of the spring water buffer chamber (17). The stainless steel plates are fixed to the inner wall of the spring water buffer chamber (17) using stainless steel expansion bolts (16) and PTFE gaskets (2-8). Cement mortar is injected to fill the contact surface between the stainless steel liner (7) and the inner wall of the spring water buffer chamber (17). After opening holes in the stainless steel liner (7) at all reserved pipe locations, it is welded to the corresponding pipes. The stainless steel liner (7) should be overlapped and welded to the inner door (11-1) and outer door (11-2) of the manhole to ensure the integrity of the weld. The flow guide plate (8) is connected to the stainless steel liner (7) by welding. Step 7: Trial run; Enter the spring water buffer chamber (17) through the buffer entry chamber (11), remove the sealing component (6) installed on the diversion pipe (4), and install it at the end of the diversion pipe (5).

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