Efficient inclined tube sedimentation tank

Abstract

The utility model discloses a high-efficiency inclined tube sedimentation tank which comprises a sedimentation tank body, and a flocculation zone and a sedimentation zone are arranged in the sedimentation tank body from upstream to downstream; a plurality of layers of inclined tube modules are arranged in the settling zone, and each layer of inclined tube module consists of a plurality of inclined tubes which are arranged in parallel and have hexagonal cross sections; a detachable flow guide plate is arranged between every two adjacent layers of inclined tube modules and is in a wave shape, the wave crest of the flow guide plate is aligned with the inclined tube outlet of the upper layer of inclined tube module, and the wave trough of the flow guide plate is aligned with the inclined tube inlet of the lower layer of inclined tube module. Through the combined design of the multiple layers of inclined pipe modules and the wave-shaped detachable flow guide plates, the precipitation efficiency and the water flow distribution uniformity are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sedimentation tank construction, in particular to a high-efficiency inclined tube sedimentation tank. BACKGROUND

[0002] High-efficiency flocculation sedimentation tank has become one of the important technologies for wastewater treatment by optimizing the reaction and sedimentation process. In particular, the design of the inclined tube sedimentation zone can significantly reduce the land occupation and civil engineering investment of wastewater treatment and improve the overall treatment capacity by improving the sedimentation efficiency. However, the current inclined tube sedimentation process still has room for further improvement in terms of alum flower sedimentation efficiency. Research and optimization of the alum flower sedimentation efficiency of the inclined tube sedimentation zone not only can reduce the use of reagents and improve the treatment effect, but also can help reduce the cost of enterprises.

[0003] For example, patent application No. CN201921702794.0 discloses a flocculation inclined tube sedimentation tank, which comprises: a water inlet pipe, a coagulant and a flocculant are added into the water inlet pipe to mix the sewage with the coagulant and the flocculant; a flocculation reaction tank receives the sewage flowing out from the water inlet pipe and makes the sewage flow to both sides through a reflection plate; a water distribution pipe is arranged on both sides of the flocculation inclined tube sedimentation tank and receives the sewage from the flocculation reaction tank, the water distribution pipe is provided with a plurality of openings; a sedimentation zone has a plurality of inclined tubes, the sewage flowing out from the plurality of openings of the water distribution pipe enters the sedimentation zone, and through the plurality of inclined tubes, the sludge in the sewage sinks into a sludge settling zone and is discharged through a sludge discharge hole, and the clarified water enters a clarified water collection zone through the inclined tube and is discharged through a clarified water discharge hole.

[0004] Although the above-mentioned scheme uses the plurality of openings of the water distribution pipe to distribute water, making the water distribution uniform and the load uniform, it still has the problem of uneven water flow distribution between the layers in the inclined tube sedimentation tank, which has not been solved, so an optimization scheme is needed. CONTENT OF THE UTILITY MODEL

[0005] In view of the problem of uneven water flow distribution between the layers in the inclined tube sedimentation tank in the prior art mentioned in the background, the present scheme sets a detachable guide plate between adjacent inclined tube modules, uses the wave-shaped structure of the guide plate to ensure that the water flow can uniformly enter each layer of inclined tube, avoids the short flow phenomenon, improves the utilization rate of the inclined tube, and realizes uniform distribution of water flow at each height of the sedimentation tank.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a high -efficient inclined tube sedimentation tank, comprising: the sedimentation tank body, the flocculation zone and the sedimentation zone are included from upstream to downstream in the sedimentation tank body, the sedimentation zone is equipped with multilayer inclined tube module, each layer inclined tube module is composed of a plurality of parallel arrangement's hexagonal cross section inclined tube, the detachable flow guide plate is arranged between the adjacent two layer inclined tube module, the flow guide plate is wave -shaped, and the wave crest is aligned with the inclined pipe export of the upper layer inclined tube module, and the wave trough is aligned with the inclined pipe import of the lower layer inclined tube module.

[0008] The hexagonal cross section inclined tube in the scheme has greater specific surface area and more uniform water flow distribution compared with the traditional circular or square inclined tube, which helps to improve the sedimentation efficiency, and the arrangement of the multilayer inclined tube module increases the effective sedimentation area and significantly improves the processing capacity of the unit space. The wave-shaped detachable flow guide plate can solve the problem of uneven water flow distribution between the layers in the traditional inclined tube sedimentation tank. The wave crest of the flow guide plate is aligned with the inclined pipe export of the upper layer, and the wave trough is aligned with the inclined pipe import of the lower layer. This structure ensures that the water flow can enter each layer of inclined pipe uniformly, avoids the short flow phenomenon, and improves the utilization rate of the inclined pipe. At the same time, the detachable design facilitates cleaning and maintenance, prolonging the service life of the equipment. This structure optimization not only improves the sedimentation efficiency, but also reduces the operation and maintenance cost.

[0009] As a preferred, the bottom of the sedimentation zone is provided with a plurality of conical sludge collection hoppers; each sludge collection hopper is provided with an independent sludge discharge pipe at the bottom; an electric valve is arranged on the sludge discharge pipe, and the electric valve is connected with a central control system for timed sludge discharge.

[0010] As a preferred, the flocculation zone is provided with a plurality of mechanical stirring devices; each stirring device is connected to the central control system and the rotating speed thereof can be independently adjusted; a baffle flow guide device with adjustable opening degree is arranged between the flocculation zone and the sedimentation zone.

[0011] The independent adjustment of the rotating speed of each stirring device by the central control system can accurately control the flocculation process. Under different water quality conditions, the stirring intensity and time required for the formation of flocs are different, and the independent adjustment of the multiple stirring levels can optimize the flocculation effect. According to the colloidal stability theory, appropriate stirring intensity and time can promote the collision and aggregation of small particles to form larger and more easily precipitated flocs. In addition, the adjustable opening degree baffle flow guide device arranged between the flocculation zone and the sedimentation zone can adjust the water flow distribution according to the water quantity change, so as to ensure that the water flow after flocculation enters the sedimentation zone uniformly. Compared with the traditional fixed flow guide device, it can better adapt to the water quantity fluctuation, maintain stable sedimentation effect, and improve the adaptability and processing efficiency of the whole system.

[0012] As a preferred, the inclined pipe module is provided with a liftable water collecting tank system above it; the water collecting tank system includes multiple V-shaped water collecting tanks arranged side by side, and each V-shaped water collecting tank is provided with multiple overflow holes arranged at equal intervals at the bottom; the V-shaped water collecting tank is connected with the pool wall through a hydraulic lifting mechanism, and the position of the V-shaped water collecting tank can be adjusted according to the water level height. The V-shaped water collecting tank increases the water collecting area, and the multiple overflow holes arranged at equal intervals ensure the uniform distribution of water flow. The design of connecting the V-shaped water collecting tank with the pool wall through the hydraulic lifting mechanism enables the V-shaped water collecting tank to be adjusted in real time according to the water level height, effectively improving the adaptability of the system to water quantity changes. According to Bernoulli's equation, when the water level changes, adjusting the height of the water collecting tank can maintain a stable overflow speed:

[0013] v = √2gh

[0014] wherein v is the overflow speed, g is the acceleration of gravity, and h is the overflow head. By maintaining a stable overflow speed, the consistency of the water quality can be ensured. This dynamic adjustment mechanism not only improves the water quality, but also enhances the operation flexibility of the system, making it able to adapt to different water treatment requirements and working condition changes.

[0015] As a preferred, the inclined pipe module is a modified polyvinyl chloride part, and the surface is coated with a nano-titanium dioxide photocatalytic coating; the inclination angle of the inclined pipe is 60°±2°; and the inner wall of the inclined pipe is provided with a spiral protruding structure. Modified polyvinyl chloride is selected as the material of the inclined pipe, which has good chemical stability and mechanical strength and can withstand various chemical and physical conditions during long-term water treatment. Secondly, the surface of the inclined pipe is coated with a nano-titanium dioxide photocatalytic coating, which utilizes photocatalytic technology. When nano-titanium dioxide is exposed to light, it generates strong oxidizing hydroxyl radicals, which can effectively degrade organic pollutants in water and inhibit microbial growth, thereby reducing the formation of biofilm on the surface of the inclined pipe and prolonging the cleaning cycle of the inclined pipe.

[0016] The inclination angle of the inclined pipe is set to 60°±2°, which is determined through actual production and application tests. This angle range can maintain a high self-cleaning ability while ensuring sufficient sedimentation area.

[0017] As a preferred, the top of the sedimentation tank body is provided with an intelligent heat preservation system; the intelligent heat preservation system includes a multi-layer composite heat preservation part and a temperature sensor network; according to the feedback of the temperature sensor, the working state of the heating element is automatically adjusted to maintain a constant temperature in the pool. The multi-layer composite heat preservation part can effectively reduce heat loss and improve the thermal efficiency of the system. The temperature sensor network can monitor the temperature in the pool in real time, providing data support for accurate temperature control. The intelligent heat preservation system automatically adjusts the working state of the heating element according to the feedback of the temperature sensor. This dynamic adjustment mechanism not only accurately controls the temperature in the pool, but also adjusts in real time according to changes in environmental temperature and differences in treatment water temperature, effectively reducing energy consumption.

[0018] As a preferred, the detachable flow guide plate is connected with the sedimentation tank wall through an electric rotating mechanism, and the angle can be adjusted in real time according to the water flow condition; the surface of the detachable flow guide plate is coated with a hydrophobic coating to reduce water flow resistance. Through the electric rotating mechanism and the connection with the sedimentation tank wall, the flow guide plate can adjust the angle according to the real-time water flow condition, effectively improve the adaptability of the system to the change of hydraulic conditions, and the fine adjustment of the angle of the flow guide plate can optimize the water flow distribution, reduce the dead zone and short flow phenomenon, thereby improving the utilization efficiency of the whole sedimentation zone. The hydrophobic coating coated on the surface of the flow guide plate can significantly reduce the friction between the water flow and the surface of the flow guide plate, and reduce the water head loss. In addition, the detachable design is convenient for regular cleaning and maintenance, which helps to prevent dirt accumulation and biofilm formation, and prolongs the service life of the equipment.

[0019] As a preferred, the upstream of the flocculation zone is provided with a water inlet zone, and the water inlet zone is provided with a hydraulic distribution device; the hydraulic distribution device includes a multilayer orifice plate and an adjustable overflow weir; the orifice diameter of the multilayer orifice plate increases layer by layer from top to bottom, realizing uniform distribution of water flow; the height of the overflow weir can be adjusted by an electric lifting device to adapt to different water inflow. The hydraulic distribution device contains a multilayer orifice plate and an adjustable overflow weir, aiming to realize accurate control and uniform distribution of water flow. The arrangement of the orifice diameter of the multilayer orifice plate increasing layer by layer from top to bottom can effectively balance the water pressure difference and ensure the uniformity of the water flow of each layer. In addition, through the electric lifting device, the height of the overflow weir can be adjusted in real time according to the change of the water inflow. This dynamic adjustment mechanism can effectively cope with water fluctuations and maintain stable hydraulic conditions. In addition, uniform hydraulic distribution is also helpful to improve the efficiency of subsequent flocculation and sedimentation process, and optimizes the performance of the sedimentation tank as a whole.

[0020] Therefore, the present application has the following beneficial effects:

[0021] The combination of the multilayer hexagonal cross-section inclined pipe module and the wave-shaped detachable flow guide plate increases the effective sedimentation area, optimizes the water flow distribution, and significantly improves the sedimentation efficiency and processing capacity.

[0022] The liftable V-shaped water collecting tank system can adjust the position in real time according to the water level height, ensure the uniformity and stability of the water outlet, and improve the adaptability of the system to water quantity changes and the quality of the water outlet.

[0023] The nano titanium dioxide photocatalytic coating on the surface of the inclined pipe combined with the spiral inner wall reduces the formation of biofilm, enhances the water flow disturbance and particle capture effect, and prolongs the service life of the equipment.

[0024] The intelligent heat preservation system and the dynamically adjustable hydraulic distribution device realize accurate temperature control and uniform water inlet, ensure the stability of the sedimentation process, and improve the overall processing efficiency and energy utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of the present application.

[0026] Figure 2 is Figure 1 is a structural schematic diagram of the precipitation zone in the present application.

[0027] 1, the precipitation tank body, 2, flocculation zone, 3, precipitation zone, 4, inclined pipe module, 5, inclined pipe, 6, detachable flow guide plate, 7, conical sludge collecting hopper, 8, sludge discharge pipe, 9, multi-stage mechanical stirring device, 10, folded plate flow guide device, 11, liftable water collecting tank system, 12, V-shaped water collecting tank, 13, overflow hole, 14, hydraulic lifting mechanism, 15, water inlet area, 16, hydraulic distribution device, 17, multi-layer orifice plate, 18, overflow weir. DETAILED DESCRIPTION

[0028] The present application will be further described below in combination with the drawings and specific embodiments.

[0029] Example 1

[0030] As shown in the drawings, Figure 1 , 2 The precipitation tank body 1 is sequentially provided with a water inlet area 15, a flocculation zone 2, a precipitation zone 3 and a water outlet area from upstream to downstream, so as to realize continuous and efficient water treatment. The multi-layer inclined pipe module 4 in the precipitation zone 3 is composed of parallel arranged hexagonal cross-section inclined pipes 5, which significantly increases the effective precipitation area. The hexagonal cross-section has a larger specific surface area and more uniform water flow distribution than the traditional circular or square cross-section, and can improve the treatment capacity per unit space.

[0031] Wavy detachable flow guide plates are arranged between adjacent inclined pipe modules 4, the wave crests of the flow guide plates are aligned with the outlets of the upper inclined pipes 5, and the wave troughs are aligned with the inlets of the lower inclined pipes 5, so as to ensure that the water flow can uniformly enter each layer of inclined pipes 5, effectively solving the problem of uneven water flow distribution between layers in the traditional inclined pipe precipitation tank. The detachable design facilitates cleaning and maintenance, prolonging the service life of the equipment.

[0032] The inclined pipe module 4 is made of modified polyvinyl chloride material, and the surface is coated with a nano-titanium dioxide photocatalytic coating. This material selection takes into account chemical stability, mechanical strength and functionality. The nano-titanium dioxide coating can generate strong oxidizing hydroxyl radicals under light, effectively degrading organic pollutants in water and inhibiting microbial growth, reducing biofilm formation and prolonging the cleaning cycle. The spiral protrusions on the inner wall of the inclined pipe further enhance water flow disturbance and particle capture effect, improving precipitation efficiency.

[0033] The inclination angle of the inclined pipe is set to 60°±2°, which is determined through tests to maintain a high self-cleaning ability while ensuring sufficient sedimentation area. An inclination angle of about 60° can achieve the best balance between gravity and friction, ensuring sufficient sedimentation efficiency and preventing sludge accumulation on the surface of the inclined pipe.

[0034] The conical sludge collection hopper 7 and the independent sludge discharge pipe 8 at the bottom of the sedimentation zone 3 cooperate with the electric valve and the central control system to achieve efficient and timed sludge discharge. Through the central control system, the rotation speed of each level of stirring device can be independently adjusted to accurately control the flocculation process. Under different water quality conditions, the stirring intensity and time required for flocculation are different, and independent adjustment of multi-stage stirring can optimize the flocculation effect. Appropriate stirring intensity and time can promote the collision and aggregation of small particles, forming larger and more easily settled flocs. In addition, the adjustable opening baffle guide device 10 between the flocculation zone and the sedimentation zone can adjust the water flow distribution according to the water volume change, ensuring that the flocculated water flows evenly into the sedimentation zone. Compared with traditional fixed guide devices, it can better adapt to water volume fluctuations, maintain stable sedimentation effect, and improve the adaptability and processing efficiency of the entire system. This scheme not only improves the sludge collection efficiency, but also avoids the influence of sludge resuspension on the effluent water quality. The multi-stage mechanical stirring device 9 in the flocculation zone 2 can independently adjust the rotation speed of each level of stirring device through the central control system, accurately control the flocculation process for different water quality conditions, and optimize the formation of flocs.

[0035] The lifting type water collection tank system 11 is arranged above the inclined pipe module 4, and the multiple equidistant overflow holes 13 at the bottom of the V-shaped water collection tank 12 ensure uniform distribution of water flow. The water collection tank is connected to the pool wall through a hydraulic lifting mechanism 14 and can adjust its position in real time according to the water level to maintain a stable overflow speed. According to Bernoulli's equation: v = √(2gh), where v is the overflow speed, g is the acceleration of gravity, and h is the overflow head, the stable effluent water quality can be maintained by adjusting the height of the water collection tank.

[0036] The intelligent heat preservation system at the top of the sedimentation tank body 1 includes multiple layers of composite heat preservation and a temperature sensor network, which maintains a constant temperature in the tank by automatically adjusting the working state of the heating elements. This scheme can stabilize the viscosity of water and maintain the consistency of particle settling velocity by maintaining a constant temperature, thereby improving the sedimentation efficiency.

[0037] The detachable baffle 6 is connected to the pool wall through an electric rotating mechanism and can adjust the angle in real time according to the water flow conditions to optimize the water flow distribution and reduce dead zones and short flow phenomena. The hydrophobic coating on the surface of the baffle significantly reduces water flow resistance, effectively reduces water head loss, and improves the hydraulic efficiency of the system.

[0038] The hydraulic distribution device 16 of the water inlet area 15 includes a multi-layer orifice plate 17 and an adjustable overflow weir 18 to achieve accurate control and uniform distribution of water flow. The orifice diameter of the multi-layer orifice plate 17 increases from top to bottom layer by layer, and the balanced flow rate of each layer is achieved by adjusting the orifice diameter of each layer. The height of the adjustable overflow weir 18 is adjusted in real time by the electric lifting device, and the water quantity entering the subsequent treatment unit is accurately controlled.

[0039] The high-efficiency inclined tube sedimentation tank fully considers each link in the water treatment process, realizes efficient, stable and adaptable water treatment process through structure optimization and intelligent control system. Compared with the traditional sedimentation tank, the present application has significant advantages in treatment efficiency, effluent quality, energy utilization efficiency and system adaptability, and is particularly suitable for treatment scenarios with large changes in water quality and quantity.

[0040] In the embodiment, the inclined tube module 4 is the core component of the sedimentation tank, which is made of modified polyvinyl chloride (PVC-M) material. PVC-M has excellent chemical resistance, mechanical strength and processing performance, with a density of about 1.4-1.5 g / cm 3 , tensile strength ≥45 MPa, and elastic modulus ≥2200 MPa. The wall thickness of the inclined tube is 2-3 mm, which can reduce the weight while ensuring the strength. The design of the hexagonal cross section increases the specific surface area, the side length is 50-60 mm, and the cross-sectional area is about 7500-9000 mm 2 . The inclination angle of the inclined tube is controlled within 60°±2°, which is calculated to achieve the best balance between gravity and water flow resistance.

[0041] The inner wall of the inclined tube is provided with a spiral protrusion structure, the protrusion height is 1-2 mm, and the pitch is 100-150 mm. The spiral protrusion increases the water flow disturbance and improves the particle capture efficiency. According to the Reynolds number calculation, at a typical flow rate (0.1-0.3 m / s), the spiral structure can change the laminar flow into turbulent flow, increasing the opportunity for particle collision. The nano-titanium dioxide photocatalytic coating coated on the surface of the inclined tube has a thickness of 100-200 nm, which is prepared by sol-gel method and can effectively degrade organic matter in water.

[0042] The detachable wave-shaped deflector is made of 304 stainless steel with a thickness of 1.5-2 mm, which has good corrosion resistance and strength. The wavelength of the wave-shaped design is 500-600 mm, and the amplitude is 100-150 mm. After fluid dynamics simulation optimization, it can reduce the water flow dead zone to the greatest extent and improve the uniformity of water flow distribution. The hydrophobic coating on the surface of the deflector is made of fluorosilane material, with a contact angle > 150° and a sliding angle < 5°. The coating thickness is 5-10 μm, which can significantly reduce water flow resistance. According to the Darcy-Weisbach equation, this coating can reduce the friction coefficient f by 40-50%, thereby reducing the water head loss. The deflector is connected to the pool wall through an electric rotating mechanism, with a rotation angle range of ± 15° and a precision of 0.1°. The driving motor uses a stepper motor with a torque > 5 N·m, which can accurately adjust the deflector angle to adapt to different water flow conditions.

[0043] The V-shaped water collecting tank 12 is made of 316L stainless steel with a wall thickness of 3-4 mm, which has excellent corrosion resistance. The opening angle of the V-shaped tank is 60°, the depth is 300-400 mm, and the length is customized according to the pool body width. The tank bottom is provided with overflow holes 13 with a diameter of 10-15 mm and a spacing of 100-150 mm. It ensures uniform collection of water flow and reduces local hydraulic load. The hydraulic lifting mechanism 14 uses a double-acting hydraulic cylinder with a maximum stroke of 500 mm and a lifting speed of 0.1-0.2 m / s. The hydraulic system operates at a pressure of 10-12 MPa, which can accurately control the height of the water collecting tank and adapt to different water level changes.

[0044] The intelligent insulation system uses multi-layer composite materials, from inside to outside: 5 mm thick 304 stainless steel lining, 50 mm thick polyurethane hard foam insulation layer (thermal conductivity λ ≤ 0.024 W / (m·K)), 20 mm thick vacuum insulation board (thermal conductivity λ ≤ 0.004 W / (m·K)), 2 mm thick aluminum foil reflective layer. The temperature sensor network uses PT100 platinum resistance temperature sensors with an accuracy of ± 0.1 °C and a measurement range of 0-100 °C. The sensor spacing is 1-2 m, which realizes accurate monitoring of the pool temperature. The heating element uses an explosion-proof electric heating tube with a power density ≤ 1.5 W / cm 2 , the total power is determined according to the pool volume. Through the PID control algorithm, the temperature in the pool is accurately controlled, and the temperature fluctuation is controlled within ± 0.5 °C.

[0045] The multi-layer orifice plate 17 of the hydraulic distribution device 16 is made of 5mm-thick polyethylene (PE) material, which has good corrosion resistance and processing performance. The orifice plate has 3 layers, with orifice diameters of 10mm, 15mm and 20mm from top to bottom, and an orifice spacing of 50-60mm. This gradient design is based on the continuity equation, ensuring balanced distribution of water flow in each layer. The adjustable overflow weir 18 is made of 304 stainless steel with a thickness of 3mm. The weir plate has a width equal to the pool body width, and the height can be adjusted in the range of 0-500mm. The electric lifting device uses a ball screw transmission with a precision of 0.1mm and a maximum stroke speed of 10mm / s, which can quickly respond to changes in water volume.

[0046] Through the combination of the above components, the high-efficiency inclined tube sedimentation tank in this embodiment has significant advantages in treatment efficiency, adaptability and operation stability, and is particularly suitable for treatment scenarios with large changes in water quality and quantity. Specifically, the hexagonal inclined tube and spiral inner wall structure increase the effective sedimentation area and particle capture efficiency, theoretically increasing the sedimentation efficiency by 30-40%. The wavy guide plate and multi-layer orifice plate 17 design significantly optimizes water flow distribution, reduces short flow and dead zones, and improves overall sedimentation effect. The adjustable water collecting tank and adjustable overflow weir 18 enable the system to adapt to different water quantity and quality conditions, maintaining stable treatment effect. The nano-titanium dioxide photocatalytic coating and hydrophobic coating reduce dirt accumulation, extend the cleaning cycle and service life of the equipment. The intelligent insulation system and precise temperature control not only stabilize the sedimentation process, but also reduce energy consumption.

[0047] The implementation process of the present application begins with the installation and commissioning of the sedimentation tank. First, according to the treatment water quantity and water quality characteristics, the size of the sedimentation tank and the number of inclined tube modules 4 are determined. Generally, for small and medium-sized water plants with a daily treatment capacity of 1000-5000 tons, 3-5 layers of inclined tube modules 4 can be selected, with each layer being about 1-1.5 meters high. During installation, special attention should be paid to the inclination angle of the inclined tube module 4 to ensure accurate control within the range of 60°±2°. This can be adjusted by using high-precision levels and angle meters, and if necessary, a fine adjustment mechanism can be installed on the inclined tube support structure.

[0048] When installing the wavy detachable guide plate, the guide plate should be aligned with the inlet and outlet of the inclined tube module 4, with the wave crest corresponding to the upper inclined tube outlet and the wave trough corresponding to the lower inclined tube inlet. Temporary support frames are used during installation to allow accurate adjustment of the guide plate position. After adjustment is complete, the electric rotating mechanism is fixed. The installation of this mechanism needs to ensure that it can rotate smoothly within a range of ±15° and can be accurately positioned to 0.1°. For this purpose, a high-precision stepper motor is used in combination with a reducer, and a position feedback mechanism is set in the control system.

[0049] The installation of the sump system requires attention to the levelness, the overflow hole 13 at the bottom of the V-shaped sump 12 should be kept completely horizontal, and a laser leveler is used for calibration. The installation of the hydraulic lifting mechanism 14 needs to ensure smooth movement without jamming. During the installation process, multiple empty and load tests should be conducted to ensure stable operation within the 0-500mm stroke range, and the lifting speed should be maintained at 0.1-0.2m / s.

[0050] The installation of the intelligent insulation system is the middle, the multi-layer composite insulation part needs to be laid strictly according to the design order, especially the installation of the vacuum insulation board, which should avoid damaging its vacuum layer. The temperature sensor network is evenly distributed to cover the entire pool body, and a grid layout is adopted, with a sensor spacing of 1-2 meters. During the installation process, instrument communication testing should be conducted to ensure that all sensor data can be accurately transmitted to the central control system. During the installation of the hydraulic distribution device 16, attention should be paid to the installation of the multi-layer orifice plate 17, which needs to strictly control the spacing between the layers, usually set at 20-30cm. The installation of the adjustable overflow weir 18 needs to ensure that it moves smoothly within the 0-500mm adjustment range, and full stroke testing should be conducted during the installation process to check the sealing performance and prevent water leakage.

[0051] During the system debugging stage, first conduct hydraulic characteristic testing. By adjusting the water inflow, observe the water flow distribution of each layer of inclined pipe, if necessary, adjust the angle of the flow guide plate and the height of the overflow weir 18 to achieve the best water flow distribution. Water quality testing is done by adding different concentrations and particle sizes of suspended solids to test the removal efficiency of the system. During this process, the inclined pipe angle, flow guide plate position and sump height may need to be adjusted several times to achieve the best treatment effect.

[0052] In actual operation, the intelligent control of the system is particularly critical. The central control system automatically adjusts the parameters of each component according to real-time data of water quality and quantity. For example, when the turbidity of the incoming water suddenly increases, the system will automatically increase the dosage of flocculant and adjust the angle of the flow guide plate to increase the hydraulic retention time. If the water temperature changes significantly, the insulation system will adjust the heating power accordingly to maintain a constant temperature in the pool.

[0053] Example 2

[0054] Compared with Example 1, this example includes several improvement schemes based on actual use feedback. For example, in actual application, one problem that may be encountered is the blockage of the inclined pipe structure. To deal with this situation, an automatic backwashing system can be installed at the top of the inclined pipe module 4. When the water flow of a certain layer of inclined pipe is significantly reduced, the system can automatically start the backwashing program to clean the blockage by flushing the inclined pipe with reverse water flow for a short time.

[0055] In this embodiment, a micro-bubble generating device can also be installed in the flocculation zone 2. By injecting fine bubbles into the water, the buoyancy of the floc can be enhanced, and the sedimentation efficiency can be improved. This method is particularly suitable for treating oily wastewater or situations with a large amount of light suspended solids. The micro-bubble generating device can use a dissolved gas tank or a nano-bubble generator, with bubble sizes controlled within the range of 20-50 microns, which can significantly improve the collision and adhesion probability of particles.

[0056] In addition, in the case of large fluctuations in water quantity, an intermediate water tank and a variable frequency pump system can be added. This can homogenize the incoming water and reduce the impact of sudden changes in water quantity and quality on the system. The variable frequency pump can automatically adjust the lifting speed according to the water level in the intermediate water tank to ensure stable water inflow into the inclined tube sedimentation tank.

[0057] For wastewater with high organic content, noble metals such as platinum or palladium can be doped into the photocatalytic coating on the surface of the inclined tube. These noble metals can act as catalysts to significantly improve the photocatalytic efficiency. At the same time, ultraviolet lamps can be installed on the top of the tank to provide continuous energy input for the photocatalytic reaction, further enhancing the degradation effect of organic matter.

[0058] In cold regions, in addition to the existing multi-layer insulation structure, a geothermal exchange system can be added. By burying geothermal exchange pipes at the bottom and sidewall of the tank, the geothermal energy can be used to maintain the temperature inside the tank, reducing energy consumption and improving system stability.

[0059] In summary, the high-efficiency inclined tube sedimentation tank system in this embodiment can effectively improve the water treatment efficiency and adaptability of the device through innovative structural design and intelligent control. In actual application, technical personnel can make flexible adjustments according to different water quality characteristics and treatment requirements, providing reliable solutions for various complex water treatment scenarios.

Claims

1. A high efficiency inclined tube sedimentation basin characterized by, The application relates to a sedimentation tank. The sedimentation tank body is internally provided with a flocculation zone and a sedimentation zone from upstream to downstream; a plurality of inclined pipe modules are arranged in the sedimentation zone; detachable flow guide plates are arranged between two adjacent inclined pipe modules, and the flow guide plates are in a wave shape, the wave crests of the flow guide plates are aligned with inclined pipe outlets of the upper inclined pipe modules, and the wave troughs are aligned with inclined pipe inlets of the lower inclined pipe modules.

2. The high rate inclined tube settling tank according to claim 1, wherein: A conical sludge collecting hopper is arranged at the bottom of the sedimentation zone; an independent sludge discharge pipe is arranged at the bottom of each sludge collecting hopper; an electric valve is arranged on the sludge discharge pipe, and the electric valve is connected with a central control system to realize timed sludge discharge.

3. The high rate inclined tube settling tank according to claim 2, characterized in that: A plurality of mechanical stirring devices are arranged in the flocculation zone; the stirring devices are connected with the central control system and the rotating speeds of the stirring devices can be independently adjusted; a foldable flow guide device with adjustable opening degree is arranged between the flocculation zone and the sedimentation zone.

4. The high rate inclined tube settling tank according to claim 1, wherein: A liftable water collecting tank system is arranged above the inclined pipe modules; the water collecting tank system comprises a plurality of parallelly arranged V-shaped water collecting tanks, a plurality of overflow holes are arranged at the bottom of each V-shaped water collecting tank at equal intervals; the V-shaped water collecting tank is connected with the tank wall through a hydraulic lifting mechanism, and the position of the V-shaped water collecting tank can be adjusted according to the water level.

5. The high rate inclined tube settling tank of claim 1, wherein: The inclined pipe modules are polyvinyl chloride parts, the surfaces of the inclined pipe modules are coated with nano titanium dioxide photocatalytic coating, the inclination angle of the inclined pipes is 60 DEG + 2 DEG, and the inner wall of the inclined pipe is provided with a spiral convex structure.

6. The high rate inclined tube settling tank of claim 1, wherein: An intelligent heat preservation system is arranged at the top of the sedimentation tank body; the intelligent heat preservation system comprises a plurality of composite heat preservation parts and a temperature sensor network; according to the feedback of the temperature sensor, the working state of a heating element is automatically adjusted to maintain constant temperature in the tank.

7. The high rate inclined tube settling tank of claim 1, wherein: The detachable flow guide plates are connected with the tank wall through an electric rotating mechanism, the angle of the detachable flow guide plates can be adjusted in real time according to the water flow state, the surfaces of the detachable flow guide plates are coated with a hydrophobic coating to reduce water flow resistance.

8. The high rate inclined tube settling tank according to any one of claims 1-7, characterized in that: A water inlet zone is arranged at the upstream of the flocculation zone, the water inlet zone is provided with a hydraulic distribution device; the hydraulic distribution device comprises a plurality of orifice plates and an adjustable overflow weir; the orifice diameters of the orifice plates increase layer by layer from top to bottom to realize uniform distribution of water flow; the height of the overflow weir can be adjusted through an electric lifting device to adapt to different water inflow.

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