Wastewater recovery system

Abstract

The utility model relates to a wastewater recovery system, it includes the sedimentation tank with liquid inlet and liquid outlet, with the liquid discharge pipeline intercommunication of liquid outlet, wherein the multistage sub tank of front and rear parallel distribution is formed in the sedimentation tank, and the overflow gap is formed between every two adjacent sub tank, the height of multiple overflow gap is gradually reduced along with the front and rear direction setting, and the liquid level height formed in multistage sub tank gradually reduces along with it. The utility model one aspect is based on multistage overflow and the overflow height gradually reduces, to realize wastewater rapid overflow under the liquid level height difference formed in each stage sub tank, ensure the flowability of wastewater between each stage sub tank, and the debris particle of different volume is gradually precipitated, effectively improve the debris even precipitation, on the other hand effectively promote the probability of even change of the sedimentation amount of multistage sub tank, reduce the cleaning frequency, be favorable to reduce the labor intensity and improve the recovery efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of wastewater recycling, and specifically relates to a wastewater recycling system. Background Technology

[0002] Currently, during the processing of screen glass, such as in the edge grinding process, a transfer suction cup is usually needed to transfer the glass plate to the edge grinding station. The grinding wheel grinds the sides and diagonals of the glass plate, while cooling water is used to rinse the grinding area to cool it and wash away the glass debris generated during grinding. Finally, the wastewater generated is recycled and treated by a wastewater recycling system.

[0003] Existing wastewater recycling systems generally include multi-stage sedimentation tanks connected in sequence. Wastewater flows between the sedimentation tanks in sequence by overflow. Glass fragments in the wastewater settle and accumulate in each sedimentation tank. The wastewater is discharged for recycling after undergoing multi-stage sedimentation.

[0004] However, in actual recycling, the overflow height in each sedimentation tank is consistent (i.e., the maximum liquid level is consistent, and the wastewater flow relies on the discharge port of the last sedimentation tank). This results in a slow overflow speed of wastewater between sedimentation tanks, which easily leads to different amounts of glass fragments settling in each sedimentation tank (the amount of settling in the front sedimentation tank is greater than that in the rear sedimentation tank). This causes the settling volume in some sedimentation tanks to easily reach the cleaning line, increasing the cleaning frequency, making the operation cumbersome and labor-intensive, and the frequent cleaning affects the recycling efficiency. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an improved wastewater recycling system.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A wastewater recycling system includes a sedimentation tank with an inlet and an outlet, and a discharge pipe connected to the outlet. The sedimentation tank has multiple levels of compartments arranged side by side, with an overflow gap between each pair of adjacent compartments. The height of the multiple overflow gaps decreases progressively along the front-to-back direction, and the liquid level in the multiple compartments decreases progressively. The inlet is connected to the compartment with the highest liquid level, and the outlet is connected to the compartment with the lowest liquid level. Wastewater passes through each level of the compartments sequentially, and the volume of the settled debris decreases progressively.

[0008] Preferably, the height difference between each adjacent overflow gap is gradually reduced along the front-to-back direction. This ensures the sedimentation capacity of the rearmost tank, thereby improving the removal rate of glass fragments from the wastewater.

[0009] According to a specific embodiment and preferred aspect of this utility model, the sedimentation tank includes a tank body and a plurality of baffles disposed within the tank body and correspondingly distributed between each adjacent compartment, wherein an overflow notch is formed above each baffle. This design is simple and facilitates assembly and implementation.

[0010] Preferably, the multiple baffles are sequentially defined as baffles 1, 2...N from front to back. The inlet is located on the front wall of the tank body. The first baffle includes a bottom plate located below the inlet and abutting against the front wall of the tank body from one side, and multiple side plates extending upward from the remaining sides of the bottom plate. The bottom plate, the multiple side plates, and the front wall of the tank body together form a trough with the highest liquid level. This facilitates the interception and collection of larger glass fragments in the wastewater.

[0011] Specifically, positioning posts are formed on the front wall of the pool body on both sides opposite the liquid inlet; the side plates on both sides are bent from one side to form fitting parts that fit against the front wall of the pool body, and each fitting part has a positioning hole that engages with the corresponding positioning post. This facilitates quick assembly and disassembly.

[0012] Preferably, multiple insertion slots are formed on the left and right side walls of the pool body, which are spaced apart and extend vertically. The second to N partitions are inserted into the corresponding insertion slots from the left and right sides, and the second to N partitions abut against the bottom of the pool body from the bottom.

[0013] Preferably, multiple filter holes are formed on the first, second...Nth partitions, with the filter holes positioned near the top of the corresponding partition. This facilitates the interception and collection of floating debris above the liquid surface in each compartment.

[0014] Specifically, the pore size of the filter on the first partition is larger than that on the second to Nth partitions. Here, the foremost compartment filters only large glass fragments for rapid collection.

[0015] According to another specific embodiment and preferred aspect of this utility model, the wastewater recycling system further includes a water receiving component, which comprises a water receiving tray disposed below the sedimentation tank and a water receiving pipe connected to the bottom of the water receiving tray. This prevents wastewater from dripping and contaminating the ground during maintenance or cleaning.

[0016] In addition, the drain outlet is located near the bottom of the sedimentation tank, and an overflow outlet is formed on the sedimentation tank, connected to the lowest level compartment and located above the drain outlet. The drainage pipeline includes a drain pipe connected to the drain outlet and an overflow pipe connected to the overflow outlet. Here, the cooperation of the drain pipe and the overflow pipe prevents the liquid level in the entire sedimentation tank from accidentally becoming too high.

[0017] Due to the implementation of the above technical solution, this utility model has the following advantages compared with the prior art:

[0018] In existing technologies, the overflow height in each sedimentation tank is uniform (i.e., the resulting liquid level is consistent, relying on the discharge port of the final sedimentation tank for wastewater flow). This results in a slow overflow velocity of wastewater between sedimentation tanks, easily leading to different sedimentation amounts of glass fragments in each tank (greater sedimentation in the earlier tanks than in the later tanks). This causes some tanks to easily reach the cleaning line, increasing cleaning frequency, making operation cumbersome and labor-intensive, and frequent cleaning negatively impacts recovery efficiency. This application addresses this issue by structurally modifying the wastewater recovery system. The overall design cleverly addresses the shortcomings and defects of existing technologies. When wastewater enters the sedimentation tank from the inlet, it overflows sequentially through multiple overflow gaps with progressively decreasing heights along the front-to-back direction, entering various sub-tanks. This maintains a progressively decreasing liquid level within each sub-tank, ensuring rapid flow of wastewater between sub-tanks due to the decreasing height difference. This increases the probability of uniform sedimentation of debris within each sub-tank. Wastewater from the final sub-tank is discharged and collected through a drain pipe. Therefore, compared to existing technologies, this invention, on the one hand, utilizes multi-stage overflow with progressively decreasing overflow heights to achieve rapid wastewater overflow under the height difference between sub-tanks, ensuring the fluidity of wastewater between sub-tanks and progressively settling debris particles of different volumes, effectively improving uniform sedimentation. On the other hand, it effectively increases the probability of uniform sedimentation in the multi-stage sub-tanks, reducing cleaning frequency, thus reducing labor intensity and improving recycling efficiency. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a three-dimensional structural diagram of the wastewater recycling system of this utility model;

[0021] Figure 2 for Figure 1 Front view diagram;

[0022] Figure 3 for Figure 2 Schematic diagram of the sectional view along the central AA direction;

[0023] Figure 4 for Figure 1 Enlarged schematic diagram of a partial structure of the intermediate sedimentation tank

[0024] The components are: 1. Sedimentation tank; 10. Tank body; k1. Inlet; g. Inlet pipe; k2. Drain; k3. Overflow outlet; c0. Divider; c1. Insertion groove; z. Positioning column; 11. Baffle; b1. First baffle; b10. Bottom plate; b11. Side plate; b110. Fitting part; b111. Positioning hole; b2. Second baffle; b3. Third baffle; k4. Overflow notch; k5. Filter hole; 12. Top cover;

[0025] 2. Drainage pipeline; 20. Drainage pipe; f. Control valve; 21. Overflow pipe;

[0026] 3. Water receiving components; 30. Water receiving tray; 31. Water receiving pipe. Detailed Implementation

[0027] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of a second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" a second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

[0032] like Figures 1 to 4 As shown, the wastewater recycling system of this embodiment includes a sedimentation tank 1, a drain pipe 2, a water receiving component 3, and a wastewater recycling station.

[0033] Specifically, the sedimentation tank 1 has an inlet k1, a outlet k2, and an overflow outlet k3 located above the outlet k2. The sedimentation tank 1 has multiple levels of compartments c0 arranged side by side from front to back, and an overflow gap k4 is formed between each pair of adjacent compartments c0. The height of the multiple overflow gaps k4 is gradually reduced along the front-back direction, and the liquid level in the multiple levels of compartments c0 is gradually reduced accordingly. The inlet k1 is connected to the compartment c0 with the highest liquid level (i.e., the compartment at the front), and the inlet k1 is connected to the glass grinding station through the inlet pipe g. The outlet k2 and the overflow outlet k3 are connected to the compartment c0 with the lowest liquid level (i.e., the compartment at the back). Wastewater passes through each level of compartment c0 in sequence, and the volume of the settled debris decreases at each level. It should be noted that in this embodiment, the drainage rate of the drain outlet k2 is greater than or equal to the drainage rate of the inlet k2 to avoid the wastewater level in the last compartment rising. Based on the potential energy difference of the wastewater generated by the liquid level difference between each compartment, the flow of wastewater is accelerated. Combined with the different sedimentation rates of glass fragments of different volumes (which can also be understood as different masses) (the larger the volume, the faster the sedimentation rate), the volume of glass fragments precipitated in each compartment is gradually reduced.

[0034] For ease of implementation, the sedimentation tank 1 includes a rectangular tank body 10, multiple baffles 11 disposed within the tank body 10 and correspondingly distributed between each adjacent sub-tank c0, and a top cover 12 covering the tank body 10. Each baffle 11 has an overflow notch k4 above it. In this embodiment, the sub-tanks c0 are configured in four stages. Practical experience has shown that the first three stages of sub-tanks c0 are sufficient to achieve sedimentation and filtration of all glass fragments. Wastewater entering the last sub-tank c0 is already clear water for direct discharge. Therefore, three baffles 11 are correspondingly provided, and these three baffles 11 are defined from front to back as the first baffle b1, the second b2, and the third b3. The height difference between each adjacent overflow notch k4 decreases progressively along the front-to-back direction. This ensures the sedimentation capacity of the later sub-tanks, thereby improving the removal rate of glass fragments from the wastewater.

[0035] In some specific embodiments, the inlet k1 is located on the front wall of the pool body 10. The first partition b1 includes a bottom plate b10 located below the inlet k1 and abutting against the front wall of the pool body 10 from one side, and a plurality of side plates b11 extending upward from the other sides of the bottom plate b10. The bottom plate b10, the plurality of side plates b11, and the front wall of the pool body 10 together form a trough with the highest liquid level. This facilitates the interception and collection of larger glass fragments in the wastewater.

[0036] Meanwhile, positioning posts z are formed on the front wall of the pool body 10, extending horizontally inward and located on opposite sides of the liquid inlet k 1; the side plates b 11 on opposite sides are bent from one side and form fitting parts b 110 that fit against the front wall of the pool body, wherein each fitting part b 110 has a positioning hole b 111 that is inserted and engaged with the corresponding positioning post z, that is, under alignment, the first partition b 1 can be easily and quickly disassembled and assembled by moving the first partition b 1 along the extension direction of the positioning post z.

[0037] In this example, two sets of insertion slots c1 are formed on the left and right side walls of the pool body 10, which are spaced apart and extend vertically. The second partition b2 and the third partition b3 are inserted into the corresponding insertion slots c1 from the left and right sides respectively, and the second partition b2 and the third partition b3 abut against the bottom of the pool body 10 from the bottom.

[0038] To further facilitate implementation, multiple filter holes k5 are formed on the first partition b1, the second partition b2, and the third partition b3, respectively. The multiple filter holes k5 are arranged near the top of the corresponding partition and distributed in a rectangular array. This facilitates the interception and collection of floating objects above the liquid surface in each compartment.

[0039] Specifically, the pore size on the first partition b1 is larger than that on the second partition b2 and the third partition b3. Here, the foremost compartment filters only large glass fragments for rapid collection.

[0040] Meanwhile, in this embodiment, the height of the filtration area formed by multiple filter holes k5 on each partition is 0.3 to 0.6 times the height of the corresponding partition, and is adjusted according to the actual process.

[0041] In this example, the drain outlet k2 is located near the bottom of the sedimentation tank 1, and the overflow outlet k3 is located directly above the drain outlet k2. The drain pipe 2 includes a drain pipe 20 connected to the drain outlet k2 and an overflow pipe 21 connected to the overflow outlet k3. A control valve f is installed on the drain pipe 20. The height of the overflow outlet k3 is higher than the height of the third partition b3. The discharged wastewater is discharged through the drain pipe 20 and collected in the wastewater recycling station. Here, the cooperation of the drain pipe and the overflow pipe prevents the liquid level in the entire sedimentation tank from accidentally becoming too high.

[0042] In addition, the water receiving component 3 includes a water receiving tray 30 located below the sedimentation tank 1 and a water receiving pipe 31 connected to the bottom of the water receiving tray 30. This prevents wastewater from dripping and contaminating the ground during maintenance or cleaning.

[0043] In summary, after adopting this wastewater recycling system, when wastewater is discharged into the sedimentation tank from the inlet, it overflows sequentially through multiple overflow gaps with progressively decreasing heights along the front-to-back direction and enters each level of the sub-tank. This maintains a progressively decreasing liquid level in each sub-tank, ensuring that the decreasing liquid level difference drives the wastewater to flow rapidly between each level of the sub-tank, increasing the probability of uniform sedimentation of debris in each level of the sub-tank. The wastewater in the last level of the sub-tank is discharged and collected through the drain pipe from the outlet. Therefore, compared with the prior art, this utility model has the following advantages: First, it is based on multi-stage overflow with progressively decreasing overflow height, which enables rapid overflow of wastewater under the liquid level difference formed by each stage of the tank, ensuring the fluidity of wastewater between each stage of the tank and allowing debris particles of different volumes to settle step by step, effectively improving the uniform sedimentation of debris. Second, it effectively increases the probability of uniform change in sedimentation volume in the multi-stage tank, reduces the cleaning frequency, and helps to reduce labor intensity and improve recycling efficiency. Third, by progressively decreasing the height difference between each adjacent overflow gap along the front-to-back direction, it ensures the sedimentation capacity of the later tanks, thereby improving the removal rate of glass debris in the wastewater. Fourth, through the cooperation of the drain pipe and the overflow pipe, it prevents the liquid level in the entire sedimentation tank from accidentally becoming too high. Fifth, during maintenance or cleaning, it prevents wastewater from dripping and contaminating the ground.

[0044] The present utility model has been described in detail above, with the aim of enabling those skilled in the art to understand its contents and implement it. However, this description should not be construed as limiting the scope of protection of the present utility model. All equivalent changes or modifications made in accordance with the spirit and essence of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A wastewater recycling system, comprising a sedimentation tank having an inlet and an outlet, and a discharge pipe connected to the outlet, wherein the sedimentation tank contains multiple levels of compartments arranged side-by-side, and an overflow gap is formed between each pair of adjacent compartments, characterized in that... The height of the multiple overflow gaps is gradually reduced along the front-to-back direction, and the liquid level formed in the multi-level sub-slots is also gradually reduced. The liquid inlet is connected to the sub-slot with the highest liquid level, and the liquid outlet is connected to the sub-slot with the lowest liquid level. Wastewater passes through each level of the sub-slots in sequence, and the volume of the sedimented debris decreases at each level.

2. The wastewater recycling system according to claim 1, characterized in that, The height difference between each adjacent overflow gap is gradually reduced along the front-to-back direction.

3. The wastewater recycling system according to claim 1 or 2, characterized in that, The sedimentation tank includes a tank body and a plurality of baffles disposed within the tank body and correspondingly distributed between each adjacent compartment, wherein an overflow notch is formed above each baffle.

4. The wastewater recycling system according to claim 3, characterized in that, Multiple partitions are defined as partitions 1, 2...N from front to back. The liquid inlet is located on the front wall of the pool body. The first partition includes a bottom plate located below the liquid inlet and abutting against the front wall of the pool body from one side, and multiple side plates extending upward from the other sides of the bottom plate. The bottom plate, the multiple side plates, and the front wall of the pool body form the highest liquid level compartment.

5. The wastewater recycling system according to claim 4, characterized in that, Positioning posts are formed on the front wall of the pool body on both sides of the liquid inlet; the side plates on both sides are bent from one side to form fitting parts that fit the front wall of the pool body, wherein each fitting part has a positioning hole that is inserted into and engaged with the corresponding positioning post.

6. The wastewater recycling system according to claim 4, characterized in that, Multiple insertion slots are formed on the left and right side walls of the pool body, which are spaced apart and extend vertically. The second to N partitions are inserted into the corresponding insertion slots from the left and right sides, and the second to N partitions abut against the bottom of the pool body from the bottom.

7. The wastewater recycling system according to claim 4, characterized in that, Multiple filter holes are formed on the 1st, 2nd...Nth partitions, and the multiple filter holes are arranged near the top of the corresponding partitions.

8. The wastewater recycling system according to claim 7, characterized in that, The pore size of the filter holes on the first partition is larger than that on the second to Nth partitions.

9. The wastewater recycling system according to claim 1, characterized in that, The wastewater recycling system also includes a water receiving component, which includes a water receiving tray located below the sedimentation tank and a water receiving pipe connected to the bottom of the water receiving tray.

10. The wastewater recycling system according to claim 1, characterized in that, The drain outlet is located near the bottom of the sedimentation tank. An overflow outlet is also formed on the sedimentation tank, which is connected to the lowest liquid level compartment and located above the drain outlet. The drain pipeline includes a drain pipe connected to the drain outlet and an overflow pipe connected to the overflow outlet.

Images