Coarse grid slag outlet hanging slag crushing device for sewage treatment plant

By designing a pulverizing device with sliding rails and sliding components at the slag outlet of the rotary coarse screen, the clogging problem caused by slag adhering to strip-shaped waste was solved, achieving stable operation of the equipment and reducing maintenance costs.

CN223556133UActive Publication Date: 2025-11-18LIANYUAN HAICHUANDA WATER CO LTD +1
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Patent Information

Application Number
CN202422806692.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-11-18
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

When treating sewage, existing rotary coarse screens are prone to having strip-shaped debris adhere to or get stuck on the edge of the cleaner, causing blockage at the discharge port and affecting the normal operation of the equipment.

Method used

Design a crushing device that includes a slide rail and a sliding component. A motor drives a slider to move back and forth on the slide rail, which drives the crusher to crush the strip-shaped garbage hanging on the sweeper. The crushed garbage falls into the garbage pit.

Benefits of technology

This effectively prevents strip-shaped debris from hanging on the sweeper for extended periods, reducing the risk of equipment blockage, improving the stability and aesthetics of the equipment, and decreasing the frequency of maintenance, thus saving on repair costs and time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slag adhering and crushing device for a slag outlet of a coarse screen of a sewage treatment plant, and belongs to the technical field of the sewage treatment industry. The slag outlet hanging slag smashing device comprises a pair of sliding rails which are arranged on the two sides of the inner wall of the slag outlet of the rotary coarse screen in parallel. A sliding assembly sliding back and forth is arranged between the pair of sliding rails, and a pulverizator is arranged on the sliding assembly and moves back and forth in the slag outlet of the rotary coarse screen along with the sliding assembly. The sliding rail device is driven by the motor, the smashing device can be driven to move back and forth along the sliding rail, the smashing device moves from one end of the sliding rail to the other end of the sliding rail and then circularly moves, strip-shaped garbage hung on the sweeper is smashed, and the smashed strip-shaped garbage can fall into a garbage pool below the discharging opening. Strip-shaped garbage is prevented from being hung on the sweeper for a long time; the influence of strip-shaped garbage hung on the sweeper on normal work of equipment is avoided, and the overall attractiveness of the coarse screen treatment system is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment industry technical field, concretely relates to a sewage treatment plant rough grid slagging mouth hangs slag crushing device. BACKGROUND

[0002] Rough grid is used to remove the relatively large suspended solids in sewage and ensure the normal operation of subsequent treatment facilities as the first treatment unit of sewage treatment system. At present, sewage treatment plants use rotary rough grid, under the drive of motor reducer, the grid rotates in the rack, thereby intercepting and continuously separating the suspended solids in sewage, the relatively large suspended solids and floating objects are fished out by the rotating rough grid rake teeth, the device operation makes the rake teeth carry the sundries intercepted on the grid surface from bottom to top to the slagging mouth, when the rake teeth turn from top to bottom, most of the solid substances rely on gravity to fall off, then fall into the garbage pool from the discharge port, and then are transported out or further treated, another part relies on the reverse movement of the sweeper to clean the sundries adhered to the rake teeth, thereby achieving the purpose of slag cleaning.

[0003] However, when the rough grid performs solid-liquid separation on sewage, if the sewage contains strips such as cloth strips and plastic bags, the strips are easily adhered or hung on the grid rake teeth, with the continuous operation of the rough grid, the strip garbage is hung on the edge of the sweeper, if not cleaned in time, the rough grid discharge port is still blocked, which affects the normal operation of the device. SUMMARY

[0004] The utility model discloses a sewage treatment plant rough grid slagging mouth hangs slag crushing device to solve the problem that the strip garbage is hung on the edge of the sweeper during the operation of the existing rotary rough grid and causes the rough grid discharge port to be blocked.

[0005] To achieve the above object, the utility model discloses a sewage treatment plant rough grid slagging mouth hangs slag crushing device, it includes a pair of slide rails, the pair of slide rails parallel setting in rotary rough grid slagging mouth inner wall both sides, the slide assembly of coming and going sliding is arranged between a pair of slide rails, the slide assembly is provided with the pulverizer, the pulverizer comes and goes with the slide assembly in rotary rough grid slagging mouth.

[0006] Preferably, the slide assembly includes slide blocks that slide back and forth on the slide rails, and a slide connecting rod is arranged between the two slide blocks.

[0007] Preferably, the slide blocks are provided with through holes, and the slide blocks are slidably sleeved on the slide rails through the through holes.

[0008] Preferably, the pulverizer is arranged at the center of the slide connecting rod.

[0009] Preferably, the pulverizer comprises a pulverizer motor fixed at the top of the connecting rod, the rotating shaft of the pulverizer motor is perpendicular to the mounting connecting rod, and a blade fan is mounted on the rotating shaft.

[0010] Preferably, the blade fan is a four-leaf precision steel blade.

[0011] Preferably, the pulverizer motor is connected in parallel with the slider motor. By connecting the pulverizer motor in parallel with the slider motor, the pulverizer and the slider are synchronized to start and stop.

[0012] Preferably, the distance between the two sliders is L, and the radius of the blade fan is less than L.

[0013] Preferably, the two ends of the slide rail are fixed on the inner wall of the rotary coarse grid slag outlet.

[0014] Preferably, the two ends of the slide rail are provided with a slider inductor. By the slider inductor, the slider is automatically inducted to move back and forth when it moves to the end of the slide rail.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The motor-driven slide rail device can drive the pulverizing device to move back and forth along the slide rail, move from one end of the slide rail to the other end of the slide rail, and then move in a cycle. The strip-shaped garbage hanging on the sweeper is pulverized, and the pulverized strip-shaped garbage can fall into the garbage pool below the discharge port, avoiding the strip-shaped garbage hanging on the sweeper for a long time. This avoids the impact of the strip-shaped garbage hanging on the sweeper on the normal operation of the equipment, and is also beneficial to improving the overall aesthetics of the coarse grid treatment system.

[0017] 2. The slag-pulverizing device of the slag outlet has the characteristics of simplicity, convenience and high reliability, and reduces the maintenance probability of the coarse grid as a whole, which is beneficial to saving the maintenance cost and time of the water plant. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Reference signs:

[0020] 1. Rotary coarse grid slag outlet,

[0021] 2. Slide rail, 21. Slider inductor,

[0022] 3. Slider, 31. Slider motor

[0023] 4. Connecting rod,

[0024] 5. Pulverizer, 51. Pulverizer motor, 52. Blade fan. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0026] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0027] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0029] In the description of the present application, the reference to "one embodiment" or "some embodiments" and the like means that the specific features, structures or characteristics described in connection with the embodiment are included in one or more embodiments of the present application. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in other some embodiments" and the like appearing in different places in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "include", "contain", "have" and their variants mean "include but not limited to", unless otherwise specifically emphasized.

[0030] The present application will be further described below in conjunction with the drawings and specific embodiments.

[0031] Embodiments

[0032] As Figure 1The sewage treatment plant coarse grid slagging port slag hanging crushing device shown comprises a pair of slide rails 2, both ends of the slide rails 2 are provided with slide block sensors 21. The pair of slide rails 2 are arranged in parallel on the inner walls of the rotary coarse grid slagging port 1, and both ends of the slide rails 2 are fixed on the inner walls of the rotary coarse grid slagging port 1. A sliding assembly that slides back and forth is arranged between the pair of slide rails 2, and the sliding assembly comprises slide blocks 3 that slide back and forth on the slide rails 2, the slide blocks 3 are provided with through holes, and the slide blocks 3 are slidably sleeved on the slide rails 2 through the through holes. A sliding connecting rod 4 is arranged between the two slide blocks. A crusher 5 is arranged on the sliding assembly, and the crusher 5 moves back and forth in the rotary coarse grid slagging port 1 along with the sliding assembly. The crusher 5 is arranged in the center of the sliding connecting rod 4. The crusher 5 comprises a crusher motor 51, the crusher motor 51 is fixed on the top of the connecting rod 4, the rotating shaft of the crusher motor 51 is perpendicular to the mounting connecting rod, and a blade fan leaf 52 is arranged on the rotating shaft. The blade fan leaf 52 is a four-leaf precision steel blade, and the radius of the blade fan leaf 52 is smaller than the distance between the two slide blocks 3. The crusher motor 51 is connected in parallel with the slide block motor 31.

[0033] The process flow when the utility model works is introduced as follows:

[0034] The sewage treatment plant enters the rotary coarse grid equipment first, at this time, the rotary coarse grid will intercept the strip-shaped objects in the sewage, and the rake teeth will carry the objects intercepted on the grid surface to the rotary coarse grid slagging port 1 from top to bottom during the continuous operation of the coarse grid. When the rake teeth move from top to bottom, most of the solid objects will fall into the garbage pool from the discharge port by gravity, and then be transported out or further processed; another part will be cleaned by the reverse movement of the sweeper, and the strip-shaped garbage will gradually wrap around the lower edge of the sweeper. When the rotary coarse grid equipment is started, the crusher motor 51 and the slide block motor 31 are started at the same time, the slide block motor 31 drives the slide blocks 3 to move on the slide rails 2, and when the slide blocks 3 move to both ends of the slide rails 2, they will be affected by the slide block sensors 21 at both ends of the slide rails 2 and automatically respond to move back and forth, thereby driving the crusher 5 to move back and forth under the sweeper, and crushing the strip-shaped garbage hanging under the sweeper, solving the problem of coarse grid discharge port blockage caused by long-term winding of strip-shaped objects during the operation of the coarse grid, reducing the overall maintenance probability of the coarse grid, saving the maintenance cost and time of the water plant, and improving the overall appearance of the coarse grid treatment system.

[0035] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A slag-crushing device for the slag outlet of a coarse screen in a wastewater treatment plant, characterized in that: It includes a pair of slide rails (2), which are arranged in parallel on both sides of the inner wall of the rotary coarse screen slag outlet (1). A sliding component that slides back and forth is provided between the pair of slide rails (2). A crusher (5) is provided on the sliding component. The crusher (5) moves back and forth in the rotary coarse screen slag outlet (1) along with the sliding component.

2. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 1, characterized in that: The sliding assembly includes a slider (3) that slides back and forth on a slide rail (2), and a sliding connecting rod (4) is provided between the two sliders.

3. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 2, characterized in that: The slider (3) is provided with a through hole, and the slider (3) is slidably sleeved on the slide rail (2) through the through hole.

4. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 2, characterized in that: The crusher (5) is located in the center of the sliding connecting rod (4).

5. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 4, characterized in that: The pulverizer (5) includes a pulverizer motor (51), which is fixed to the top of the connecting rod (4). The shaft of the pulverizer motor (51) is perpendicular to the connecting rod and a blade fan (52) is mounted on the shaft.

6. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 5, characterized in that: The blade fan blade (52) is a four-bladed precision steel blade.

7. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 5, characterized in that: The pulverizer motor (51) is connected in parallel with the slider motor (31).

8. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 5, characterized in that: The distance between the two sliders (3) is L, and the radius of the blade fan (52) is less than L.

9. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 1, characterized in that: The two ends of the slide rail (2) are fixed on the inner wall of the rotary coarse screen slag outlet (1).

10. The slag-clogging and crushing device at the coarse screen outlet of a wastewater treatment plant according to claim 1, characterized in that: Both ends of the slide rail (2) are equipped with slider sensors (21).