Settling tank structure for wastewater treatment

Abstract

The utility model relates to the technical field of environmental protection, and particularly discloses a sedimentation tank structure for wastewater treatment, which comprises a supporting structure and a tank body, the tank body is defined by mounting plates and is provided with a mixing cavity and a settling cavity; a waste cavity is arranged at the bottom of the settling cavity; the settling cavity is communicated with the waste cavity; a settling partition plate is arranged in the settling cavity; the sedimentation partition plate is obliquely arranged; the mixing cavity is separated from the settling cavity through a settling partition plate; a settling tank is formed between every two settling partition plates; wastewater forms a settling path among the mixing cavity, the settling cavity and the settling tank; a water inlet is formed in a mounting plate of the mixing cavity; a discharge port is formed in a mounting plate of the waste cavity; openings are formed in the tops of the settling cavity and the mixing cavity and are sealed by isolation plates; a water outlet is formed in the settling cavity mounting plate. By controlling the mixing, settling and discharging processes, the settling tank structure solves the problems that the settling tank is low in treatment efficiency, precipitates are easy to accumulate and block, and the effluent quality is unstable.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a sedimentation tank structure for wastewater treatment. Background Art

[0002] Sedimentation tanks, also known as sedimentation tanks, are crucial facilities in the water treatment industry. They play an irreplaceable role in key processes such as industrial wastewater treatment, municipal sewage purification, and tap water production. With the acceleration of industrialization, various industrial activities are generating increasing amounts of wastewater, many of which contain hazardous substances such as heavy metals and chemicals. Discharge of this wastewater without treatment would cause immeasurable damage to the environment. Sedimentation tanks, through their unique solid-liquid separation mechanism, effectively remove most suspended matter and some dissolved pollutants from wastewater, laying a solid foundation for subsequent deep purification processes such as biological and chemical treatment. Sedimentation tanks can be categorized by their structural form into horizontal flow sedimentation tanks, in which wastewater flows horizontally through the tank, with particles settling during the flow. This type of sedimentation tank has the advantages of a simple structure and high treatment capacity, but occupies a larger area. Vertical flow sedimentation tanks, in which wastewater flows upward through the tank, with particles settling to the bottom as they rise. Suitable for smaller treatment volumes, these tanks require minimal floor space. Radial flow sedimentation tanks radiate from the center of the tank, with the sediment collected at the bottom. This design facilitates sludge collection and discharge and is commonly used in large sewage treatment plants.

[0003] In the patent "A Sedimentation Tank" (publication number CN207641055U, hereinafter referred to as prior art 1), a sedimentation tank is disclosed; in prior art 1, a plurality of filter plates are provided to separate the tank body into two, tank one and tank two, which flow through different filters. The wastewater in tank one is precipitated so that the wastewater in tank two is precipitated in tank two. When the filter screen of the sedimentation tank is replaced, the wastewater in different tanks will not be mixed together and can still be used normally. In addition, a cover plate is provided on the top of tank two to prevent dust from falling into tank two, and a pumping mechanism is provided on tank two to pump out the water in tank two. The pumping mechanism includes an outlet pipe passing through the cover plate and a water pump connected to the outlet pipe for pumping water. The outlet pipe includes a first outlet pipe, a second outlet pipe that is sleeved in the first outlet pipe and slides along the axial direction of the first outlet pipe, and the outside of the second outlet pipe is connected to a buoyancy box floating on the water surface.

[0004] In prior art 1, the clogging problem is alleviated by providing a removable modular filter. Furthermore, when replacing the filter, wastewater from different tanks is prevented from mixing, ensuring independent operation of the system. However, this solution still has some shortcomings. First, each filter replacement takes a considerable amount of time, affecting the continuous operation efficiency of the equipment. This is particularly true when treating large wastewater flows, increasing operational downtime and reducing overall processing capacity. Second, the filter replacement cost is high. Frequent replacement not only increases material costs but also increases the workload of operation and maintenance personnel, thereby increasing system maintenance costs. Furthermore, the use of filters to physically intercept particulate matter in wastewater is prone to clogging and particulate accumulation. If the filter is not cleaned promptly after intercepting impurities, the filter pores may become clogged, increasing the resistance to wastewater treatment and, in turn, affecting the flow efficiency of the equipment. Severe clogging can slow or even stagnate the effluent flow rate, reducing system stability and processing capacity. More importantly, since the filter interception efficiency gradually decreases with age, this can lead to inconsistent effluent quality, making it difficult to ensure the stability of treated water quality and compromising overall treatment effectiveness. Utility Model Content

[0005] In view of this, an embodiment of the present invention provides a sedimentation tank structure for wastewater treatment, which is used to solve the problems of low treatment efficiency, easy accumulation and blockage of sediments, and unstable effluent water quality in traditional sedimentation tanks.

[0006] An embodiment of the present utility model provides a sedimentation tank structure for wastewater treatment, comprising a supporting structure and a tank body arranged on the supporting structure; the tank body is surrounded by a plurality of mounting plates and is sealed, and is provided with a mixing chamber and a sedimentation chamber; a waste chamber is provided at the bottom of the sedimentation chamber; the sedimentation chamber is connected to the waste chamber; a plurality of sedimentation baffles are provided at intervals in the sedimentation chamber; a plurality of the sedimentation baffles are arranged in an inclined manner; the mixing chamber and the sedimentation chamber are separated by the sedimentation baffles; a sedimentation trough is formed between the two sedimentation baffles; wastewater forms a sedimentation path between the mixing chamber, the sedimentation chamber and the sedimentation trough; a water inlet is provided on the mounting plate of the mixing chamber; a discharge port is provided on the mounting plate of the waste chamber; openings are provided on the tops of the sedimentation chamber and the mixing chamber, and the openings are closed by isolation plates; a water outlet is provided on the mounting plate on the top of the sedimentation chamber.

[0007] Preferably, the pool body is provided with at least two independent mixing chambers and sedimentation chambers; the two independent mixing chambers and sedimentation chambers share the same waste chamber; the two independent mixing chambers and sedimentation chambers are both connected to the waste chamber.

[0008] Preferably, an auxiliary discharging mechanism is provided in the waste chamber; the auxiliary discharging mechanism includes a rotating shaft, and a spiral stirring blade is provided on the rotating shaft; the rotating shaft is installed by a pair of bearings fixedly arranged on both sides of the waste chamber.

[0009] Preferably, the auxiliary discharging mechanism is driven by a motor arranged outside the waste chamber; the output shaft of the motor is transmission-connected to the rotating shaft.

[0010] Preferably, the bottom of the waste chamber is configured as a storage area, and the storage area is configured in a concave arc shape; both sides of the storage area are configured in an inclined manner.

[0011] Preferably, each of the mixing chambers is provided with a stirring mechanism; the stirring mechanism is detachably arranged on the side wall of the mixing chamber; and the stirring axis of the stirring mechanism extends into the mixing chamber.

[0012] Preferably, the isolation plates at the top of the mixing chamber and the sedimentation chamber are both provided with through holes communicating with the interior; the through holes of the mixing chamber are used for adding reagents into the mixing chamber.

[0013] Preferably, a clean water trough surrounded by a water storage plate is further provided on the top of the sedimentation chamber; and the water outlet is arranged in the clean water trough.

[0014] Preferably, an emptying pipe is provided at the discharge port; an emptying valve is provided at the end of the emptying pipe; and the emptying valve controls the amount of water output during emptying by the degree of opening or closing of the emptying valve.

[0015] Preferably, a water inlet pipe and a water outlet pipe are provided at the water inlet and the water outlet respectively; and a water volume control valve is provided on the water inlet pipe and the water outlet pipe.

[0016] The sedimentation tank structure for wastewater treatment provided by the utility model has the following beneficial effects:

[0017] The sedimentation tank in the present invention forms multiple sedimentation troughs by setting up inclined sedimentation baffles, which can accelerate the sedimentation rate of suspended particles in the wastewater, reduce the residence time of particles in the wastewater, and improve the solid-liquid separation effect. The separation design of the mixing chamber and the sedimentation chamber allows the wastewater to be fully mixed before entering the sedimentation chamber, which is conducive to the uniform distribution of flocculants, thereby improving the flocculation and sedimentation effect. The inclined design of the sedimentation baffles also facilitates the sediment to slide into the bottom waste chamber, reducing the risk of sediment accumulation in the sedimentation tank and preventing the occurrence of blockage, thereby extending the cleaning cycle of the equipment and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work, and these are all within the scope of protection of the present invention.

[0019] Figure 1 It is a structural diagram of a sedimentation tank for wastewater treatment;

[0020] Figure 2 It is a schematic diagram of the structure inside a sedimentation tank for wastewater treatment;

[0021] Figure 3 A schematic diagram of wastewater flow in a sedimentation tank for wastewater treatment

[0022] Parts and numbers in the picture:

[0023] 100-support structure;

[0024] 200-tank body, 210-mounting plate, 220-mixing chamber, 221-water inlet, 222-water inlet pipe, 230-sedimentation chamber, 231-sedimentation baffle, 232-sedimentation trough, 233-sedimentation path, 234-water outlet, 235-water storage plate, 236-clean water trough, 237-water outlet pipe, 240-waste chamber, 241-discharge outlet, 242-storage area, 243-emptying pipe, 244-emptying valve port, 251-rotating shaft, 252-spiral stirring blade, 253-motor, 260-stirring mechanism, 261-stirring shaft, 270-control valve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. It should be noted that, in this article, relational terms such as first and second are only used to separate one entity or operation from another entity or operating cavity, and do not necessarily require or imply any actual relationship or order between these entities or operations. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting the present invention. Moreover, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, elements defined by the phrase "comprises..." do not exclude the presence of additional identical elements in the process, method, article, or device that includes the elements. If there is no conflict, the embodiments of the present invention and the various features therein may be combined with each other and are all within the scope of protection of the present invention.

[0026] Example 1

[0027] See Figure 1 , an embodiment of the utility model provides a sedimentation tank structure for wastewater treatment. It includes a support structure 100 and a tank body 200 arranged on the support structure 100; the support structure 100 is used to support the tank body 200, so that the wastewater can react and undergo sedimentation treatment stably in the tank body 200. The support structure 100 includes a support frame or support legs. The tank body 200 is surrounded by a number of mounting plates 210 and is sealed, and is provided with a mixing chamber 220 and a sedimentation chamber 230. By sealing the mixing chamber 220 and the sedimentation chamber 230, the wastewater will not leak to the outside and cause pollution.

[0028] See Figure 2A waste chamber 240 is provided at the bottom of the sedimentation chamber 230; the sedimentation chamber 230 is communicated with the waste chamber 240; when the wastewater enters the waste chamber 240 from the mixing chamber 220, it rises from the waste chamber 240 and enters the sedimentation chamber 230, and its suspended particles or pollutants begin to settle and gradually fall into the waste chamber 240 through the sedimentation baffle 231 described below. The settling chamber 230 is provided with a number of settling baffles 231 at intervals; some of these baffles 231 are arranged at an angle. The inclined baffles 231 form multiple settling troughs 232 within the settling tank. As sediment rises with the wastewater, the more it contacts the baffles 231, the more it settles on the baffles 231. Under the influence of gravity, the sediment settles along the path of the baffles 231. As it settles along the path of the baffles 231, it merges with more sediment, forming a larger precipitate. This accelerates the settling rate of suspended particles in the wastewater, reduces their residence time in the wastewater, and improves solid-liquid separation. Due to the baffles 231, suspended particles only need to settle along a short path along the inclined surface, rather than the entire depth of the tank. This reduces the required settling path for the particles, thereby accelerating their settling rate. The separation of the mixing chamber 220 and the settling chamber 230 allows the wastewater to be fully mixed before entering the settling chamber 230, which is beneficial to the uniform distribution of the flocculant, thereby improving the flocculation and settling effect.

[0029] See Figure 2 The mixing chamber 220 and the settling chamber 230 are separated by the settling baffles 231. Sedimentation troughs 232 are formed between each pair of settling baffles 231. The inclined design of the settling baffles 231 facilitates the sliding of sediment into the bottom waste chamber 240, reducing the risk of sediment accumulation in the settling troughs 232 and preventing blockage, thereby extending the equipment's cleaning cycle and reducing maintenance costs. The waste chamber 240 is connected to the settling chamber 230, allowing sediment to smoothly enter the waste chamber 240 and be discharged through the discharge port 241, facilitating centralized sediment cleaning.

[0030] See Figure 3Wastewater forms a settling path 233 between the mixing chamber 220, the settling chamber 230, and the settling trough 232. A water inlet 221 is provided on the mounting plate 210 of the mixing chamber 220; a discharge port 241 is provided on the mounting plate 210 of the waste chamber 240. The tops of the settling chamber 230 and the mixing chamber 220 are provided with openings, which are sealed by isolation plates; and a water outlet 234 is provided on the mounting plate 210 at the top of the settling chamber 230. In the settling tank structure, wastewater forms multiple settling paths 233 through the mixing chamber 220, the settling chamber 230, and the settling trough 232, effectively removing suspended matter, silt, and other impurities from the wastewater, thereby improving the clarity of the effluent. The water outlet 234 is located at the top of the settling chamber 230, further ensuring that the discharged water is fully settled, reducing the amount of suspended matter remaining and improving the quality of water treatment.

[0031] Furthermore, by adjusting the number and angle of the sedimentation baffles 231, the sedimentation tank can adapt to wastewater treatment requirements with different flow rates and suspended particle concentrations, making it highly adaptable and adjustable. The rational arrangement of the water inlet 221 and the outlet 241 enables the structure to adapt to various water inlet pressures, facilitating use under different working conditions.

[0032] The sedimentation tank structure of its wastewater treatment solves the problems of low treatment efficiency, easy accumulation and blockage of sediments, and unstable effluent quality in traditional sedimentation tanks through the reasonable setting of mixing, sedimentation and discharge processes, significantly improving the efficiency and effect of wastewater treatment and reducing operation and maintenance costs.

[0033] See Figure 1 When in use, the wastewater first enters the mixing chamber 220 of the sedimentation tank through the water inlet 221. At this stage, the wastewater can be fully mixed with chemical agents such as flocculants to form larger flocs, which is convenient for subsequent sedimentation and separation. Then, the mixed wastewater enters the waste chamber 240 and continues to be mixed in the waste chamber 240, increasing and extending the mixing time of the wastewater, and preventing insufficiently mixed wastewater from entering the sedimentation area. When the mixing is sufficient, the wastewater gradually increases and enters the sedimentation chamber 230. Since the path for the wastewater to enter the waste chamber 240 from the mixing chamber 220 is also set as an inclined partition, the flow rate of the wastewater that continues to enter the waste chamber 240 will be reduced, and will not impact the solid waste at the bottom of the waste chamber 240, causing it to be mixed into the wastewater again.

[0034] The sedimentation chamber 230 is provided with an inclined sedimentation baffle 231 inside. The baffle divides the sedimentation chamber 230 into multiple sedimentation troughs 232, slowing the flow rate of the water flow and helping suspended matter to sink under the action of gravity. Within the sedimentation chamber 230, wastewater flows through each sedimentation trough 232, and particulate matter gradually settles to the surface of the sedimentation baffle 231 or to the bottom of the waste chamber 240. The inclined sedimentation baffle 231 helps the settled particulate matter slide to the surface of the sedimentation baffle 231 and eventually collect in the waste chamber 240, preventing the particulate matter from accumulating in the sedimentation trough 232. The waste chamber 240 at the bottom of the sedimentation chamber 230 collects the settled solid waste. The deposited sludge and impurities are regularly discharged through the discharge port 241 on the waste chamber 240 to prevent waste accumulation from affecting the normal operation of the equipment.

[0035] After sedimentation is complete, the supernatant (relatively clear water) is discharged through the outlet 234 at the top of the sedimentation chamber 230. The outlet 234 is generally located high to prevent unsettled particles from entering the sedimentation chamber 230. The resulting discharged water is relatively clear, with significantly reduced suspended matter content, and is ready for subsequent treatment steps, such as biochemical treatment or filtration.

[0036] In the structural design of the sedimentation tank, the tank body 200 is provided with at least two independent mixing chambers 220 and sedimentation chambers 230, and these two independent mixing chambers 220 and sedimentation chambers 230 share a waste chamber 240. Each mixing chamber 220 is connected to a corresponding sedimentation chamber 230, forming independent and interconnected processing channels. The mixing chamber 220 and sedimentation chamber 230 are both connected to the waste chamber 240, so that the sediment in the two independent channels can be collected and discharged into the same waste chamber 240 for treatment. By providing two independent mixing chambers 220 and sedimentation chambers 230, this structure can simultaneously process two wastewater streams with different sources or properties, improving the overall processing capacity of the equipment. The two parts of treated wastewater can also be separately directed to different treatment steps. Because the two sedimentation channels share a waste chamber 240, the discharge and cleaning of waste materials are more centralized, simplifying the operating process, reducing the cleaning frequency and the manual operation burden. This makes overall maintenance and management more convenient and reduces operating costs.

[0037] An auxiliary discharging mechanism is provided in the waste chamber 240 to improve the efficiency of waste discharge. The auxiliary discharging mechanism includes a rotating shaft 251 arranged along the length direction of the waste chamber 240, and a spiral stirring blade 252 is installed on the rotating shaft 251. The spiral stirring blade 252 can push the sediment in the waste chamber 240 to move toward the discharge port when rotating, thereby achieving efficient discharge of waste. The rotating shaft 251 is fixed and supported by a pair of bearings installed on both sides of the waste chamber 240, so that the rotating shaft 251 can rotate smoothly to avoid vibration or deviation affecting the discharge effect. The design of the spiral stirring blade 252 can effectively push the sediment in the waste chamber 240 to move toward the discharge port 241, avoiding the accumulation of sediment in the waste chamber 240, so that the waste can be discharged faster. Compared with the discharge method that relies solely on gravity, this mechanically assisted discharge method significantly improves the speed of waste discharge. The auxiliary discharge mechanism can prevent the sediment from accumulating too much at the bottom of the waste chamber 240 by continuously stirring the sediment in the waste chamber 240, thereby reducing the risk of clogging the discharge port. This makes the discharge process of the waste chamber 240 smoother and helps maintain the normal operation of the equipment.

[0038] Furthermore, such a configuration enables the sedimentation tank to adapt to the treatment of wastes of different concentrations and properties. In particular, when treating wastes with high viscosity or easy sedimentation, the spiral stirring blades 252 can effectively prevent sediment accumulation and ensure smooth discharge of waste in the waste chamber 240.

[0039] See Figure 2 The auxiliary discharge mechanism is driven by a motor 253 installed outside the waste chamber 240. The output shaft of the motor 253 is connected to the rotating shaft 251 through a transmission device, thereby realizing power transmission of the rotating shaft 251. When the motor 253 is in operation, it transmits power to the rotating shaft 251 through the output shaft, driving the spiral stirring blade 252 on the rotating shaft 251 to rotate, so that the sediment in the waste chamber 240 can be effectively pushed by the spiral blade and discharged toward the discharge port 241. The position of the motor 253 is set outside the waste chamber 240, which is convenient for adjustment and maintenance, while ensuring a stable working environment for the motor 253. The motor 253 is installed outside the waste chamber 240 to avoid direct contact with the waste, thereby reducing the risk of corrosion or clogging of the motor 253 by the waste and extending the service life of the motor 253. The external installation position facilitates daily maintenance, inspection and replacement operations, reducing the time and cost of equipment downtime maintenance.

[0040] Furthermore, because motor 253 provides a strong power output, rotating shaft 251 can handle sediments with higher viscosities or concentrations. When processing high-viscosity waste, spiral stirring blades 252 can provide a stronger driving force to ensure smooth discharge of sediment, avoiding problems such as poor discharge or blockage caused by excessive sediment.

[0041] See Figure 2 The bottom of the waste chamber 240 is set as a storage area 242. The storage area 242 has a concave arc structure, which enables it to better collect and concentrate sediments. The two sides of the storage area 242 adopt an inclined design, gradually sinking from both sides to the center. This structure allows the sediment to naturally slide to the central position of the arc area, which is convenient for centralized collection and subsequent discharge and treatment. The arc-shaped concave surface at the bottom of the waste chamber 240 allows the sediment to naturally slide to the central position of the storage area 242 under the action of gravity, avoiding the phenomenon of sediment piling up everywhere at the bottom of the waste chamber 240, which is conducive to the centralized collection and cleaning of sediments. This can improve the discharge efficiency of waste materials and make cleaning work more convenient.

[0042] The inclined design on both sides of the storage area 242 helps to guide the sediment to the central arc area, avoiding the situation where excessive sediment accumulates on both sides and causes blockage.

[0043] For further information, see Figure 1 or Figure 2 Each of the mixing chambers 220 is equipped with a stirring mechanism 260 to ensure that the various pharmaceutical ingredients can be evenly and fully mixed with the wastewater during the mixing process. These stirring mechanisms 260 adopt a detachable design, which is easy to install and maintain. They are arranged on the side wall of the mixing chamber 220 and have good flexibility. The stirring shaft 261 of the stirring mechanism 260 extends along the internal space of the mixing chamber 220, so that it can penetrate into all layers of the mixture during stirring, thereby effectively preventing the precipitation and stratification of the components. The detachable stirring mechanism 260 also makes cleaning and replacement more convenient, avoiding the situation where the mixing effect is affected by wear or contamination of the agitator.

[0044] The mixing chamber 220 is used to perform preliminary chemical mixing on the wastewater to promote the subsequent sedimentation process. The isolation plates at the top of the mixing chamber 220 and the sedimentation chamber 230 are both provided with through holes that communicate with the interior.

[0045] The through-holes in mixing chamber 220 are specifically designed for adding chemicals into mixing chamber 220. These chemicals may include flocculants, precipitants, or other treatment agents that effectively form flocculent particles in the wastewater, thereby accelerating their aggregation and sedimentation. After thorough mixing, the wastewater flows into settling chamber 230. In settling chamber 230, the treated particles gradually settle to the bottom due to gravity, forming a precipitate. This sedimentation process separates suspended solids from the sediment in the wastewater, resulting in clean water.

[0046] See Figure 1A dedicated drain pipe 243 is provided at the outlet 241 to effectively drain water and other contaminants from the waste chamber 240. After the treatment process is completed, the wastewater and sediment accumulated in the waste chamber 240 must be promptly removed to maintain the normal operation and treatment efficiency of the system. The drain pipe 243 provides a channel for these substances to be discharged smoothly.

[0047] The drain pipe 243 is terminated with a drain valve 244. This valve allows the operator to precisely control the amount of water discharged during the drain by adjusting the degree of opening or closing. This adjustability ensures that the appropriate flow rate can be selected according to actual needs during the draining process, avoiding liquid shock or resuspension of contaminants caused by rapid draining. Furthermore, controlling the water flow effectively prevents environmental pollution and ensures that the treated wastewater meets the specified water quality standards before discharge.

[0048] See Figure 1 and Figure 3 In this wastewater treatment system, the water inlet 221 and the water outlet 234 are each equipped with an inlet pipe 222 and an outlet pipe 237. These pipes are crucial components of the system, responsible for the inflow of wastewater and the discharge of treated clean water. The inlet pipe 222 ensures that wastewater flows smoothly into the treatment system, while the outlet pipe 237 directs the treated clean water to its final destination for discharge or reuse.

[0049] Each pipeline is equipped with a water flow control valve 270, allowing operators to adjust the inlet and outlet flow rates in real time. By adjusting the valve opening and closing, the amount of wastewater flowing into the system and the amount of clean water discharged can be controlled, ensuring stable operation under varying loads. This flexibility not only helps adapt to different treatment needs but also effectively prevents system overload and uneven flow, ensuring optimal treatment results at all times.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sedimentation tank structure for wastewater treatment, characterized in that: The invention comprises a support structure (100) and a tank body (200) arranged on the support structure (100); the tank body (200) is surrounded by a plurality of mounting plates (210) and is sealed, and is provided with a mixing chamber (220) and a sedimentation chamber (230); a waste chamber (240) is provided at the bottom of the sedimentation chamber (230); The sedimentation chamber (230) is communicated with the waste chamber (240); a plurality of sedimentation baffles (231) are provided at intervals in the sedimentation chamber (230); the plurality of sedimentation baffles (231) are arranged in an inclined manner; the mixing chamber (220) and the sedimentation chamber (230) are separated by the sedimentation baffles (231); sedimentation troughs (232) are formed between two of the sedimentation baffles (231); wastewater forms a sedimentation path (233) between the mixing chamber (220), the sedimentation chamber (230) and the sedimentation troughs (232); A water inlet (221) is provided on the mounting plate (210) of the mixing chamber (220); a discharge port (241) is provided on the mounting plate (210) of the waste chamber (240); openings are provided at the tops of the sedimentation chamber (230) and the mixing chamber (220), and the openings are closed by isolation plates; a water outlet (234) is provided on the mounting plate (210) at the top of the sedimentation chamber (230).

2. A sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: The tank body (200) is provided with at least two independent mixing chambers (220) and sedimentation chambers (230); the two independent mixing chambers (220) and sedimentation chambers (230) share the same waste chamber (240); and the two independent mixing chambers (220) and sedimentation chambers (230) are both in communication with the waste chamber (240).

3. The sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: An auxiliary discharging mechanism is provided in the waste chamber (240); the auxiliary discharging mechanism comprises a rotating shaft (251), and a spiral stirring blade (252) is provided on the rotating shaft (251); the rotating shaft (251) is installed via a pair of bearings fixedly provided on both sides of the waste chamber (240).

4. A sedimentation tank structure for wastewater treatment according to claim 3, characterized in that: The auxiliary discharging mechanism is driven by a motor (253) arranged outside the waste chamber (240); the output shaft of the motor (253) is in transmission connection with the rotating shaft (251).

5. The sedimentation tank structure for wastewater treatment according to claim 3, characterized in that: The bottom of the waste material chamber (240) is configured as a material storage area (242), and the material storage area (242) is configured in a concave arc shape; both sides of the material storage area (242) are configured in an inclined manner.

6. The sedimentation tank structure for wastewater treatment according to claim 2, characterized in that: Each mixing chamber (220) is provided with a stirring mechanism (260); the stirring mechanism (260) is detachably arranged on the side wall of the mixing chamber (220); and the stirring shaft (261) of the stirring mechanism (260) is extended into the mixing chamber (220).

7. The sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: The isolation plates at the top of the mixing chamber (220) and the sedimentation chamber (230) are both provided with through holes communicating with the interior; the through holes of the mixing chamber (220) are used to add medicine into the mixing chamber (220).

8. The sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: The top of the sedimentation chamber (230) is further provided with a clean water trough (236) surrounded by a water storage plate (235); the water outlet (234) is arranged in the clean water trough (236).

9. The sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: The discharge port (241) is provided with a drain pipe (243); the end of the drain pipe (243) is provided with a drain valve (244); the drain valve (244) controls the water output during draining by the degree of opening or closing.

10. The sedimentation tank structure for wastewater treatment according to claim 1, characterized in that: A water inlet pipe (222) and a water outlet pipe (237) are respectively provided at the water inlet (221) and the water outlet (234); and a water volume control valve (270) is provided on each of the water inlet pipe (222) and the water outlet pipe (237).

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