Flocculation clarification sewage treatment equipment for sewage treatment

Abstract

The utility model discloses flocculation clarification sewage treatment equipment for sewage treatment, which comprises a flocculation sedimentation tank, a gateway type overflow weir arranged at one end of the upper part of the inner side of the flocculation sedimentation tank, a gate arranged on the inner side of the gateway type overflow weir, and a gate vertically sliding on the inner side of the gate and driven by a driving device to move up and down, a fixing frame is arranged above the flocculation sedimentation tank in a crossing mode, the two ends of the fixing frame are installed in the length direction of the flocculation sedimentation tank in a sliding mode, high-level water on the left side of a filter screen plate can directly flow into the inner side of the overflow weir and is discharged out of a blow-off pipe, and the filter screen plate and scum and sludge gathered on the filtering face of the filter screen can be effectively washed and cleaned through water flowing downwards rapidly. After cleaning is completed, the flashboard is closed randomly, and the cleaning operation can be repeated twice if necessary; the sewage treatment equipment effectively solves the problem that scum or floating sludge is not treated or lacks a good cleaning means when the scum or the floating sludge appears on the liquid surface of the existing sedimentation tank, so that the sewage clarification treatment is more thorough.

Description

Technical Field

[0001] This utility model relates to the technical field of sewage treatment equipment, specifically to a flocculation and clarification sewage treatment equipment for sewage treatment. Background Technology

[0002] Wastewater flocculation clarification is a wastewater treatment technology primarily used to remove suspended solids and colloidal substances from water. This technology involves adding chemical agents (such as coagulants / flocculators) to disrupt the stability of colloids, causing colloids and fine suspended solids to aggregate into larger flocs. These flocs are then separated from the water through sedimentation, thus achieving clarification.

[0003] Currently, during the flocculation and clarification process of wastewater, scum or floating sludge frequently occurs. This phenomenon may be caused by anaerobic gas production or residual aeration leading to floc floating; it could also be due to nitrates in the sedimentation tank being reduced to nitrogen gas, with bubbles carrying sludge to the surface; or insufficient pretreatment (such as oil separation) causing light pollutants to float. All of these factors can lead to scum or floating sludge. Currently, this situation is generally left untreated or lacks proper cleaning measures, allowing the scum and water to be discharged together through the overflow weir, resulting in incomplete wastewater treatment and inconvenient cleaning. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] Therefore, the purpose of this utility model is to provide a flocculation clarification wastewater treatment device for wastewater treatment, so as to solve the problem mentioned in the background art that in the process of flocculation clarification of wastewater, scum or floating sludge often appears. At present, this situation is generally not treated or there are no good cleaning measures, so that the scum and water are discharged together through the overflow weir, resulting in incomplete wastewater treatment and inconvenient cleaning.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a flocculation clarification wastewater treatment device for wastewater treatment, comprising a flocculation sedimentation tank (100), wherein the upper inner side of the flocculation sedimentation tank (100) has a gate-type overflow weir (200), the gate-type overflow weir (200) has a gate opening (2001) on its inner side, and a gate plate (210) that slides vertically inside the gate opening (2001) and is driven to move up and down by a driving device; a fixed frame (300) is horizontally arranged above the flocculation sedimentation tank (100). (300) is slidably installed at both ends along the length of the flocculation sedimentation tank (100), and also includes a reciprocating drive assembly (800) for driving the fixed frame (300) to move back and forth along the length of the flocculation sedimentation tank (100). A filter screen plate (600) spanning the inner side of the flocculation sedimentation tank (100) is provided below the fixed frame (300), and the filter screen plate (600) is driven up and down by a drive device. A branch valve (900) corresponding to the bottom of the inner cavity of the gate-type overflow weir (200) is provided on one side of the flocculation sedimentation tank (100).

[0007] As a preferred embodiment of the flocculation clarification sewage treatment equipment for sewage treatment described in this utility model, the flocculation sedimentation tank (100) has fixed frames (300) on both sides of the upper end, and the fixed frames (300) are provided with electric push rods (400) for driving the gate (210) to move up and down. The fixed frames (300) are also provided with electric push rods (700) near both ends for driving the filter screen (600) to move up and down.

[0008] As a preferred embodiment of the flocculation clarification wastewater treatment equipment for wastewater treatment described in this utility model, the fixed frame (300) is fixed with sliding seats (510) at both ends, and the upper edge of the flocculation sedimentation tank (100) has sliding rails (520) on both sides that slide and match the sliding seats (510).

[0009] As a preferred embodiment of the flocculation clarification sewage treatment equipment for sewage treatment described in this utility model, wherein a mounting frame one (310) is fixed at one end of the top of the flocculation sedimentation tank (100), and a mounting frame two (320) is horizontally fixed between the two fixed frames (300).

[0010] The reciprocating drive assembly (800) includes a ball nut (810) fixed at the center of the top of the mounting bracket (300), a lead screw (820) with one end rotatably connected to the mounting bracket one (310) and the other end rotatably connected to the mounting bracket two (320) and threadedly connected to the ball nut (810), and a servo motor (830) fixed to the mounting bracket one (310) and used to drive the lead screw (820) to rotate axially.

[0011] As a preferred embodiment of the flocculation clarification wastewater treatment equipment for wastewater treatment described in this utility model, the filter plate (600) includes a frame (610) fixedly installed at the bottom output shaft end of the electric push rod two (700) and a filter screen (620) fixedly covered inside the frame (610).

[0012] As a preferred embodiment of the flocculation clarification wastewater treatment equipment for wastewater treatment described in this utility model, the branch valve (900) includes a drain pipe (910) with one end connected to the bottom of the inner cavity of the gate-type overflow weir (200), a valve one (920) set at the outer end of the drain pipe (910), a sewage pipe (930) vertically connected to the bottom of the drain pipe (910) and close to the wall of the flocculation sedimentation tank (100), and a valve two (940) set on the sewage pipe (930).

[0013] As a preferred embodiment of the flocculation clarification wastewater treatment equipment for wastewater treatment described in this utility model, a sludge discharge valve (110) connected to the sludge sedimentation bed is also provided on one side of the bottom of the flocculation sedimentation tank (100).

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: In this flocculation and clarification wastewater treatment equipment, when scum or floating sludge appears on the surface of the wastewater during the flocculation and clarification process, the filter screen plate 600 is first lowered to a position flush with the gate 2001 by the electric push rod 700. Then, with the cooperation of the reciprocating drive assembly 800, the slide block 510, the slide rail 520, and the mounting frame, the fixed frame 300 is slowly moved towards the gate-type overflow weir 200. The filter screen plate 600 is used to screen and push the flocculent scum and floating sludge floating on the liquid surface, causing the scum and sludge to accumulate on the filter screen 620. When the filter screen plate 600 is flush with the gate-type overflow weir 2001... When the components are close together, the electric actuator 400 drives the gate 210 to rise and opens the gate 2001. At the same time, the sewage pipe 930 will also open. At this time, the high-level water on the left side of the filter screen 600 will flow directly into the inside of the overflow weir and be discharged from the sewage pipe 930. The rapidly flowing water can effectively flush and clean the filter screen 600 and the floating sludge and sludge accumulated on the filter screen surface. After cleaning, the gate 210 is closed. If necessary, the cleaning operation can be repeated twice. In summary, this sewage treatment equipment effectively solves the problem that the existing sedimentation tank 100 does not treat or lacks good cleaning methods when floating sludge or floating sludge appears on the liquid surface, making the sewage clarification treatment more thorough and suitable for promotion and application. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2This is a schematic diagram of the branch pipe valve structure of this utility model;

[0017] Figure 3 This is a schematic diagram showing the detailed structure of the filter plate of this utility model.

[0018] In the diagram: 100, flocculation sedimentation tank; 110, sludge discharge valve; 200, gate-type overflow weir; 2001, gate; 210, gate plate; 300, fixing frame; 310, mounting frame one; 320, mounting frame two; 400, electric actuator one; 500, crossbeam; 510, slide block; 520, slide rail; 600, filter screen plate; 610, frame; 620, filter screen; 700, electric actuator two; 800, reciprocating drive assembly; 810, ball nut; 820, lead screw; 830, servo motor; 900, branch valve; 910, drain pipe; 920, valve one; 930, sewage pipe; 940, valve two. Detailed Implementation

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] Figures 1-3 The diagram shown is a complete structural schematic of a flocculation and clarification wastewater treatment device for wastewater treatment according to this utility model. Please refer to [link / reference]. Figures 1-3This embodiment of a flocculation clarification wastewater treatment device for wastewater treatment includes a flocculation sedimentation tank 100. A gate-type overflow weir 200 is located at one upper inner side of the flocculation sedimentation tank 100. The gate-type overflow weir 200 has a gate opening 2001 on its inner side and a gate plate 210 that slides vertically inside the gate opening 2001 and is driven to move up and down by a driving device. A fixed frame 300 is horizontally mounted above the flocculation sedimentation tank 100, with both ends of the fixed frame 300 slidably installed along the length of the flocculation sedimentation tank 100. The device also includes a reciprocating drive assembly 800 for driving the fixed frame 300 to reciprocate along the length of the flocculation sedimentation tank 100. A filter screen plate 600 is located below the fixed frame 300, spanning the inner side of the flocculation sedimentation tank 100, and is driven to move up and down by a driving device. A branch valve 900 corresponding to the bottom of the inner cavity of the gate-type overflow weir 200 is located on one side of the flocculation sedimentation tank 100.

[0023] The flocculation sedimentation tank 100 has fixed frames 300 on both sides of its upper end. Each fixed frame 300 is equipped with an electric actuator 400 for moving the gate 210 up and down. Near both ends of the fixed frame 300, there are also electric actuators 700 for moving the filter screen 600 up and down. In this embodiment, the traditional sawtooth overflow weir is designed as a gate-like retractable structure, which better facilitates the discharge of scum. Slide seats 510 are fixed at both ends of the fixed frame 300, and slide rails 520 are provided on both sides of the upper edge of the flocculation sedimentation tank 100 to slide smoothly with the slide seats 510. The cooperation of the slide seats 510 and slide rails 520 makes the left and right movement of the fixed frame 300 more linear and smooth. A mounting bracket 310 is fixed to one end of the top of the flocculation sedimentation tank 100, and a mounting bracket 320 is horizontally fixed between the two mounting brackets 300. The reciprocating drive assembly 800 includes a ball nut 810 fixed at the center of the top of the mounting bracket 300, a lead screw 820 rotatably connected at one end to the mounting bracket 310 and the other end to the mounting bracket 320 and threadedly connected to the ball nut 810, and a servo motor 830 fixed to the mounting bracket 310 and used to drive the lead screw 820 to rotate axially. The filter plate 600 includes a frame 610 fixedly installed at the bottom output shaft end of the electric actuator 700, and a filter screen 620 fixedly covered inside the frame 610. Specifically, when scum or floating sludge appears on the surface of the wastewater during the flocculation and clarification process, the filter screen plate 600 is first lowered to a position flush with the gate 2001 by the electric actuator 700. Then, with the cooperation of the reciprocating drive assembly 800, the slide block 510, the slide rail 520, and the mounting frame, the fixed frame 300 is slowly moved towards the gate-type overflow weir 200. The filter screen plate 600 is used to screen and push the flocculent scum and floating sludge on the liquid surface, causing the scum and sludge to accumulate on the filter screen 620. When the filter screen plate 600 is close to the gate-type overflow weir 200, the electric actuator 400 drives the gate 2001. The gate 2001 is opened when the water level rises and the drain pipe 930 is opened simultaneously. At this time, the high-level water on the left side of the filter screen 600 will flow directly into the overflow weir and be discharged from the drain pipe 930. The rapidly flowing water can effectively flush and clean the filter screen 600 and the floating sludge and sludge accumulated on the filter screen surface. After cleaning, the gate 210 is closed. If necessary, the cleaning operation can be repeated twice. In summary, this sewage treatment equipment effectively solves the problem that the existing sedimentation tank 100 does not treat or lacks good cleaning methods when floating sludge or floating sludge appears on the liquid surface, making the sewage clarification treatment more thorough and suitable for promotion and application.

[0024] Furthermore, the branch valve 900 includes a drain pipe 910 connected at one end to the bottom of the inner cavity of the gate-type overflow weir 200, a valve 920 located at the outer end of the drain pipe 910, a sewage pipe 930 vertically connected to the bottom of the drain pipe 910 and close to the wall of the flocculation sedimentation tank 100, and a valve 940 located on the sewage pipe 930. It can be understood that when no scum or sludge appears during the clarification process in the flocculation sedimentation tank 100, the sewage pipe 930 and the valve 940 are in a closed state, while during the water discharge process, the drain pipe 910 and the valve 920 are in a conducting state, and vice versa.

[0025] Furthermore, a sludge discharge valve 110 connected to the sludge settling bed is also provided on one side of the bottom of the flocculation sedimentation tank 100. It can be understood that there is a concave sludge settling bed at the bottom of the flocculation sedimentation tank 100. During the flocculation and clarification process, the sludge will settle at the bottom of the tank bed. When the sludge is full or excessive, the sludge can be discharged by opening the sludge discharge valve 110.

[0026] In summary, this embodiment of a flocculation and clarification wastewater treatment device for wastewater treatment, when scum or floating sludge appears on the surface of the wastewater during the flocculation and clarification process, firstly, the filter screen plate 600 is lowered to a position flush with the gate 2001 by the electric actuator 700. Then, with the cooperation of the reciprocating drive assembly 800, the slide 510, the slide rail 520, and the mounting frame, the fixed frame 300 is slowly moved towards the gate-type overflow weir 200. The filter screen plate 600 is used to screen and push the flocculent scum and floating sludge floating on the liquid surface, causing the scum and sludge to accumulate on the filter screen 620. When the filter screen plate 600 is in contact with the gate-type overflow weir 200... At the same time, the electric actuator 400 drives the gate 210 to rise and opens the gate 2001. Simultaneously, the sewage pipe 930 also opens. At this time, the high-level water on the left side of the filter screen 600 flows directly into the inner side of the overflow weir and is discharged from the sewage pipe 930. The rapidly flowing water can effectively flush and clean the filter screen 600 and the floating sludge accumulated on the filter screen surface. After cleaning, the gate 210 is closed. If necessary, the cleaning operation can be repeated twice. In summary, this sewage treatment equipment effectively solves the problem that the existing sedimentation tank 100 does not treat or lacks good cleaning methods when floating sludge or floating sludge appears on the liquid surface, making the sewage clarification treatment more thorough.

[0027] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A flocculating clarifying sewage treatment apparatus for sewage treatment, characterized by comprising: The application relates to a flocculation sedimentation tank (100) which is provided with a sluice overflow weir (200) at one end of the upper portion of the inner side of the flocculation sedimentation tank (100), the sluice overflow weir (200) is provided with a sluice gate (2001) at the inner side, a sluice plate (210) vertically slides at the inner side of the sluice gate (2001) and is driven to move up and down by a driving device, a fixed frame (300) is horizontally arranged above the flocculation sedimentation tank (100), the fixed frame (300) is slidably arranged at both ends along the length direction of the flocculation sedimentation tank (100), a reciprocating driving assembly (800) is arranged for driving the fixed frame (300) to reciprocate along the length direction of the flocculation sedimentation tank (100), a filter screen plate (600) is arranged below the fixed frame (300) and horizontally across the inner side of the flocculation sedimentation tank (100), and the filter screen plate (600) is driven to move up and down by a driving device, and a branch pipe valve (900) is arranged at one side of the flocculation sedimentation tank (100) and corresponds to the bottom of the inner cavity of the sluice overflow weir (200).

2. A flocculating clarifying wastewater treatment apparatus for wastewater treatment according to claim 1, characterized in that: The flocculation sedimentation tank (100) is provided with the fixed frame (300) at both sides of the upper end, the fixed frame (300) is provided with an electric push rod I (400) for driving the sluice plate (210) to move up and down, and the fixed frame (300) is further provided with an electric push rod II (700) for driving the filter screen plate (600) to move up and down at positions close to both ends.

3. A flocculating clarifying wastewater treatment apparatus for wastewater treatment according to claim 1, characterized in that: The fixed frame (300) is fixed with sliding seats (510) at both ends, and the flocculation sedimentation tank (100) is provided with sliding rails (520) at both sides of the upper edge and matched with the sliding seats (510).

4. A flocculating clarifying sewage treatment apparatus for sewage treatment according to claim 1, characterized in that: The flocculation sedimentation tank (100) is fixed with a mounting frame I (310) at one end of the top, and a mounting frame II (320) is transversely and fixedly connected between the fixed frames (300) at both sides. The reciprocating driving assembly (800) comprises a ball-type nut (810) fixed at the top center of the fixed frame (300), a lead screw (820) rotatably connected to the mounting frame I (310) at one end and rotatably connected to the mounting frame II (320) at the other end and threadedly connected with the ball-type nut (810), and a servo motor (830) fixed on the mounting frame I (310) and used for driving the lead screw (820) to rotate in the axial direction.

5. A flocculating clarifying sewage treatment apparatus for sewage treatment as claimed in claim 1, wherein: The filter screen plate (600) comprises a frame (610) fixedly installed at the output shaft end of the electric push rod II (700) and a filter screen (620) coveringly fixed at the inner side of the frame (610).

6. A flocculating clarifying sewage treatment apparatus for sewage treatment as claimed in claim 1, wherein: The branch pipe valve (900) comprises a drain pipe (910) communicated with the bottom of the inner cavity of the sluice overflow weir (200) at one end, a valve I (920) arranged at the outer end of the drain pipe (910), a blow-off pipe (930) vertically communicated with the bottom of the drain pipe (910) and close to the pool wall of the flocculation sedimentation tank (100), and a valve II (940) arranged on the blow-off pipe (930).

7. A flocculating clarifying sewage treatment apparatus for sewage treatment as claimed in claim 1, wherein: The flocculation sedimentation tank (100) is further provided with a sludge discharge valve (110) communicated with a sludge sedimentation bed at one side of the bottom.

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