A cyclone anti-clogging device for sewage treatment
By installing an inclined filter screen and a Y-shaped branch pipe structure in the hydrocyclone, the water flow flushes away debris, solving the hydrocyclone clogging problem and achieving a convenient and efficient anti-clogging effect, thus ensuring the stability and efficiency of sewage treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ENMET (QINGDAO) NEW ENERGY TECH CO LTD
- Filing Date
- 2025-08-07
- Publication Date
- 2026-07-17
AI Technical Summary
Existing hydrocyclones are prone to clogging by debris in wastewater treatment, which leads to a decrease in separation efficiency and interruption of the treatment process. Existing anti-clogging devices are complex in structure, difficult to install, and inconvenient to clean, affecting the normal operation of the hydrocyclone and the wastewater flow rate.
Design an anti-clogging device comprising a main pipe, branch pipes, and a filter screen. The filter screen is installed at an angle in the main pipe, and water flow is used to flush debris into the branch pipes and discharge it. The branch pipes and the main pipe form a Y-shaped structure, and the water flow is controlled by a valve to clean the dirt.
It effectively intercepts debris, reduces the risk of hydrocyclone clogging, ensures stable operation, provides convenient automatic cleaning, avoids interruptions, improves cleaning efficiency, and maintains the continuity and separation effect of sewage treatment.
Smart Images

Figure CN224507333U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field, specifically to an anti-clogging device for a hydrocyclone used in sewage treatment. Background Technology
[0002] As is well known, hydrocyclones are a commonly used and important piece of equipment in the field of wastewater treatment. They rely on the principle of centrifugal force to separate substances of different particle sizes in wastewater, playing a key role in improving wastewater treatment efficiency and quality. However, in actual wastewater treatment processes, wastewater often contains various impurities, such as silt, fibers, and plastic fragments. When these impurities enter the hydrocyclone along with the wastewater, they can easily cause blockage.
[0003] Once a hydrocyclone becomes clogged, its separation efficiency is significantly reduced, preventing the effective separation of substances in wastewater and affecting the continuity and stability of the entire wastewater treatment process. Furthermore, the subsequent cleaning of the blockage is often extremely cumbersome, requiring substantial manpower, resources, and time. For example, it typically necessitates halting the entire wastewater treatment system and disassembling relevant components before the debris clogging the hydrocyclone can be cleared. This can have serious adverse effects on applications requiring continuous wastewater treatment, such as large industrial wastewater treatment plants and municipal wastewater treatment facilities, and may even lead to violations of environmental regulations due to untimely wastewater treatment.
[0004] Currently, although there have been some attempts to prevent clogging in hydrocyclones, most have several shortcomings. Some anti-clogging devices are complex in structure and inconvenient to install, increasing both equipment purchase costs and installation difficulty, causing significant trouble for construction workers. Other anti-clogging methods, while able to intercept debris to some extent, are not convenient or efficient enough to clean up the intercepted debris, failing to remove it promptly and effectively, thus still leading to potential clogging over time. Furthermore, some existing devices significantly interfere with the wastewater flow rate and treatment process, affecting the original separation performance of the hydrocyclone and failing to effectively solve the clogging problem while ensuring the normal operation of the hydrocyclone.
[0005] Therefore, in order to ensure that hydrocyclones can operate stably and efficiently in the sewage treatment process and avoid a series of adverse consequences caused by clogging, there is an urgent need for a sewage treatment hydrocyclone anti-clogging device that is simple in structure, easy to install, can effectively intercept debris to prevent it from entering the hydrocyclone, can easily clean up the intercepted debris, and will not have a significant impact on the normal operation of the hydrocyclone or the sewage flow rate. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] To address the shortcomings of existing technologies, this utility model provides an anti-clogging device for hydrocyclones used in wastewater treatment, which solves the problems mentioned in the background section.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, this utility model provides the following technical solution: a hydrocyclone anti-clogging device for sewage treatment, comprising a main pipe, a connector for mounting on a hydrocyclone at the end of the main pipe, a connected branch pipe on the side wall of the main pipe, and a valve installed on the branch pipe, a filter screen installed in the main pipe, the filter screen being located near the water inlet between the main pipe and the branch pipe, opening the valve to allow sewage in the main pipe to flush the dirt collected by the filter screen and discharge it through the branch pipe.
[0010] Furthermore, the branch pipe and the main pipe are Y-shaped, and the filter screen is inclined in the main pipe along the axial direction of the branch pipe, so that debris slides into the branch pipe.
[0011] Furthermore, the main water inlet pipe is equipped with a connector for connecting to the water inlet pipe.
[0012] Furthermore, the connecting component is a flange.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, this utility model provides an anti-clogging device for hydrocyclones used in sewage treatment, which has the following beneficial effects:
[0015] This anti-clogging device for hydrocyclones used in wastewater treatment precisely intercepts various debris, such as silt, fibers, and plastic fragments, that flow into the hydrocyclone with the wastewater by installing a filter screen in the main pipe. This prevents debris from entering the hydrocyclone at the source, greatly reducing the risk of clogging and ensuring that the hydrocyclone can operate stably and efficiently for a long time. It maintains a good wastewater separation effect and ensures that the entire wastewater treatment process can proceed smoothly without interruption or reduced efficiency due to hydrocyclone clogging.
[0016] Automatic flushing cleaning: When the valve on the branch pipe is opened, the sewage in the main pipe flushes away the dirt trapped by the filter screen. The force of the water flow causes the dirt to slide down the inclined filter screen into the branch pipe and eventually be discharged through it. This water-flushing cleaning method is very convenient, eliminating the need for manual cleaning of the filter screen, reducing labor costs. Furthermore, it can be operated as needed during normal operation of the sewage treatment system without interrupting the entire system, greatly improving cleaning efficiency and ensuring the continuity of sewage treatment.
[0017] Thorough Cleaning Guarantee: The inclined filter screen and the branch pipe's axial design allow dirt to flow more smoothly into the branch pipe, avoiding the problem of debris accumulating and remaining at the filter screen or branch pipe inlet. Each cleaning can thoroughly remove dirt from the front of the filter screen, effectively preventing the risk of subsequent clogging due to incomplete cleaning, and further consolidating the anti-clogging effect. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a top view of the structure of this utility model;
[0020] Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA.
[0021] In the diagram: 1. Main pipe; 2. Branch pipe; 3. Valve; 4. Filter screen; 5. Connector. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-3 The present invention discloses a hydrocyclone anti-clogging device for sewage treatment, comprising a main pipe 1, wherein both ends of the main pipe 1 are provided with connecting parts 5, the connecting parts 5 being flanges, and the main pipe 1 is fixedly connected to the hydrocyclone and the inlet pipe respectively by bolts and nuts through the flanges at both ends.
[0024] A branch pipe 2 is welded to the side wall of the main pipe 1 and is connected to it. The branch pipe 2 and the main pipe 1 form an inclined Y-shape. A valve 3 is installed on the branch pipe 2. The valve 3 is used to control the drainage of water from the branch pipe 2.
[0025] A filter screen 4 is installed in the main pipe 1. The filter screen 4 is located near the water inlet between the main pipe 1 and the branch pipe 2. When the valve 3 is opened, the sewage in the main pipe 1 flushes the dirt collected by the filter screen 4 and discharges it through the branch pipe 2. This prevents the hydrocyclone from clogging and allows for the cleaning of dirt in front of the filter screen 4.
[0026] The filter screen 4 is inclined in the main pipe 1 along the axial direction of the branch pipe 2 and parallel to the branch pipe 2. The dirt in the sewage is filtered by the filter screen 4 and retained on the filter. When the valve 3 is opened, the dirt washed by the sewage flows into the branch pipe 2 along the inclined filter screen 4, thereby quickly cleaning the filter screen 4.
[0027] In summary, this anti-clogging device for a hydrocyclone used in wastewater treatment works by opening valve 3 when it is necessary to clean the dirt on the filter screen 4. Some wastewater will flow out along branch pipe 2, flushing and cleaning the dirt remaining on the front side of the filter screen 4 and in branch pipe 2, allowing the dirt to be discharged from branch pipe 2. Then, valve 3 is closed to stop the water from flowing out along branch pipe 2, thereby completing the cleaning of the dirt at the front end of the filter screen 4 and preventing the filter screen 4 from clogging.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cyclone anti-clogging device for sewage treatment, comprising a main pipe (1), characterized in that: The end of the main pipe (1) is provided with a connector (5) for installation on the hydrocyclone. The side wall of the main pipe (1) is provided with a connected branch pipe (2), and a valve (3) is installed on the branch pipe (2). A filter screen (4) is installed in the main pipe (1). The filter screen (4) is close to the water inlet between the main pipe (1) and the branch pipe (2). When the valve (3) is opened, the sewage in the main pipe (1) flushes the dirt collected by the filter screen (4) and is discharged through the branch pipe (2).
2. The anti-clogging device for a hydrocyclone in wastewater treatment according to claim 1, characterized in that: The branch pipe (2) and the main pipe (1) are Y-shaped. The filter screen (4) is inclined in the main pipe (1) along the axial direction of the branch pipe (2) so that debris slides into the branch pipe (2).
3. The anti-clogging device for a hydrocyclone in wastewater treatment according to claim 1, characterized in that: The main pipe (1) has a connector (5) for connecting to the water inlet pipe.
4. A hydrocyclone anti-clogging device for wastewater treatment according to claim 1 or 3, characterized in that: The connector (5) is a flange.