Multi-stage pulverization treatment sewage treatment water pump
The design of multi-stage crushing components solves the problem of insufficient crushing of debris in sewage treatment pumps, improves crushing efficiency and flow rate, and ensures stable operation and long service life of the pumps.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN CANON ENVIRONMENTAL PROTECTION & ENERGY SAVING TECH CO LTD
- Filing Date
- 2025-09-24
- Publication Date
- 2026-07-21
AI Technical Summary
When large debris enters the existing sewage treatment pump, the collision and friction during the crushing process are insufficient, which increases the working burden on the impeller, resulting in insufficient crushing efficiency. Uncrushed debris also affects the flow rate of sewage.
It adopts a multi-stage crushing component, including a crushing drum, a spiral impeller and a filter cover. Through the cooperation of crushing teeth, crushing teeth and crushing blades, it can achieve multiple crushing and filtration, thereby improving the crushing efficiency of debris and the flow rate of sewage.
It achieves thorough crushing of debris, improves sewage treatment efficiency and flow rate, and ensures stable operation and long service life of the water pump.
Smart Images

Figure CN224532993U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a sewage treatment pump with multi-stage pulverization, and in particular to a sewage treatment pump with multi-stage pulverization, belonging to the field of pump technology. Background Technology
[0002] Wastewater treatment pumps are indispensable mechanical equipment in environmental protection and urban infrastructure. They are mainly used to lift and transfer sewage. The pump body is mostly made of corrosion-resistant materials, such as stainless steel and alloys, to ensure that the pump can still operate stably in harsh environments. Wastewater treatment pumps use the high-speed rotation of the impeller to generate centrifugal force, separating impurities and pollutants from the water and discharging clean water. During the treatment process, components such as mechanical seals and bearings inside the pump play a key role in ensuring stable operation and long service life of the pump. Although impeller blades with embedded alloy cutters can pulverize debris, when a large amount of debris enters the device, the collision and friction during the pulverization process are insufficient, increasing the workload on the impeller and resulting in inadequate pulverization efficiency. The presence of unpulverized debris inside the device reduces the flow rate of wastewater, thereby lowering wastewater treatment efficiency.
[0003] Therefore, it is urgent to improve the sewage treatment pumps to solve the above-mentioned problems. Utility Model Content
[0004] The purpose of this invention is to provide a sewage treatment pump with multi-stage crushing to solve the problem that when large-volume debris enters the device, the collision and friction during the crushing process are insufficient, which increases the workload of the impeller, resulting in insufficient crushing efficiency and a decrease in sewage flow speed while uncrushed debris is inside the device.
[0005] To achieve the above objectives, the main technical solution adopted by this utility model includes: a sewage treatment pump with multi-stage crushing, including a base, a motor supported by the base, a crushing chamber on the base, and the output end of the motor extending into the crushing chamber and connected to a multi-stage crushing component. The multi-stage crushing assembly includes a rotating rod connected to the output end of the motor, a filter cover, a spiral impeller, and a crushing drum sequentially arranged on the rotating rod; The surface of the crushing drum is provided with a number of crushing teeth, and the inner wall of the crushing box is provided with a number of crushing teeth on the side close to the crushing drum. A first water pipe is provided at the end of the crushing chamber away from the motor, and a second water pipe is provided on one side of the crushing chamber.
[0006] Preferably, the crushing drum is disposed on the side of the crushing chamber closer to the first water pipe, the filter cover is disposed on the side of the crushing chamber away from the crushing drum, and the spiral impeller is located between the crushing drum and the filter cover.
[0007] Preferably, the filter cover has a water inlet chamber at one end near the spiral impeller, and the outer surface of the filter cover is rotatably connected to the inner wall of the crushing chamber via a rotating ring.
[0008] Preferably, the surface of the filter cover has a plurality of filter holes, and a plurality of crushing blades are distributed inside the filter holes.
[0009] Preferably, a guide cone is provided at the end of the crushing drum near the first water pipe, and the end of the guide cone with a smaller diameter is close to the first water pipe.
[0010] Preferably, the second water pipe is in through communication with the crushing chamber and is located on one side of the filter cover.
[0011] Preferably, the base is provided with a support ring for fixing the motor, the inner wall of the support ring is provided with a rubber shock-absorbing layer, and the part of the rotating rod connected to the output end of the motor is supported and wrapped by a stabilizer.
[0012] This utility model has at least the following beneficial effects: 1. Wastewater is transported into the crushing chamber through the first water pipe. The wastewater enters through the first water pipe, and the motor drives the multi-stage crushing components to rotate. The wastewater and debris are smoothly guided to the surface of the crushing drum by the guide cone. The crushing teeth work together to perform preliminary crushing of the debris. Then, the wastewater is conveyed by the spiral impeller. The spiral impeller not only increases the flow rate but also further crushes the wastewater and debris. The wastewater after secondary treatment enters the water inlet chamber and is thrown out by the rotating filter cover. When it is thrown out, it will pass through the filter holes. As the wastewater and debris pass through the filter holes, they will be crushed again by several crushing blades in the filter holes, thereby improving the crushing effect. Finally, the wastewater will be discharged through the second water pipe, which makes the crushing more complete and improves the crushing efficiency. During the crushing process, the debris can be continuously displaced, thereby increasing the wastewater flow rate. Attached Figure Description
[0013] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a three-dimensional schematic diagram of the internal structure of this utility model; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a cross-sectional view of the present invention; Figure 4 This is a partial cross-sectional view of the present invention; Figure 5 For the present utility model Figure 1 Enlarged view of point A.
[0014] In the diagram, 1-base; 2-motor; 3-crushing chamber; 4-rotating rod; 5-filter cover; 6-spiral impeller; 7-crushing drum; 8-crushing teeth; 9-crushing teeth; 10-first water pipe; 11-second water pipe; 12-water inlet chamber; 13-rotating ring; 14-filter hole; 15-crushing blade; 16-guide cone; 17-support ring; 18-stabilizing frame. Detailed Implementation
[0015] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0016] like Figures 1-5 As shown, the multi-stage crushing wastewater treatment pump provided in this embodiment includes a base 1, a motor 2 supported by the base 1, a crushing chamber 3 also provided on the base 1, the output end of the motor 2 extends into the crushing chamber 3 and is connected to a multi-stage crushing component; a first water pipe 10 is provided at the end of the crushing chamber 3 away from the motor 2, and a second water pipe 11 is provided on one side of the crushing chamber 3. Furthermore, a support ring 17 for fixing the motor 2 is provided on the base 1. A rubber damping layer is provided on the inner wall of the support ring 17. The support ring 17 and the rubber damping layer can improve the stability and damping of the motor 2 during use and prevent the motor 2 from vibrating too much during operation. The part of the rotating rod 4 connected to the output end of the motor 2 is supported and wrapped by the stabilizer 18. The stabilizer 18 can improve the stability of the rotating rod 4 when rotating, thereby improving the stability of the entire multi-stage crushing assembly when rotating. The multi-stage crushing assembly includes a rotating rod 4 connected to the output end of the motor 2, a filter cover 5, a spiral impeller 6 and a crushing drum 7 arranged sequentially on the rotating rod 4; the crushing drum 7 is located inside the crushing chamber 3 on the side close to the first water pipe 10, the filter cover 5 is located inside the crushing chamber 3 on the side away from the crushing drum 7, and the spiral impeller 6 is located between the crushing drum 7 and the filter cover 5. Furthermore, a water inlet chamber 12 is provided at one end of the filter cover 5 near the spiral impeller 6. The outer surface of the filter cover 5 is rotatably connected to the inner wall of the crushing chamber 3 through a rotating ring 13. The rotating ring 13 can improve the stability of the filter cover 5 when it rotates. Furthermore, the surface of the filter cover 5 is provided with several filter holes 14, and several crushing blades 15 are distributed inside the filter holes 14. When the sewage is crushed and thrown out, it will pass through the filter holes 14. When the sewage and debris pass through the filter holes 14, they will be crushed again by the several crushing blades 15 inside the filter holes 14, thereby improving the crushing effect. The second water pipe 11 is connected to the crushing box 3 and is located on one side of the filter cover 5. After the sewage is crushed, it will be thrown out by rotating the filter cover 5 and finally discharged through the second water pipe 11. Several crushing teeth 8 are provided on the surface of the crushing drum 7, and several crushing teeth 9 are distributed on the inner wall of the crushing box 3 near the crushing drum 7. A guide cone 16 is provided at the end of the crushing drum 7 near the first water pipe 10. The end of the guide cone 16 with a smaller diameter is close to the first water pipe 10. The guide cone 16 can guide sewage and debris to the surface of the crushing drum 7 smoothly, and the crushing teeth 8 and crushing teeth 9 can be used to perform preliminary crushing of debris.
[0017] like Figures 1-5 As shown, the principle of the multi-stage crushing sewage treatment pump provided in this embodiment is as follows: When the equipment is in use, it is powered by an external power source, and sewage is transported into the crushing chamber 3 through the first water pipe 10. The sewage enters from the first water pipe 10, and at the same time, the motor 2 is started. The motor 2 drives the multi-stage crushing components to rotate. The sewage and debris are smoothly guided to the surface of the crushing drum 7 by the guide cone 16, and the debris is initially crushed by the squeezing and friction of the crushing teeth 8 and 9. Then, it is spirally transported by the spiral impeller 6. The spiral impeller 6 not only increases the flow rate, but also further crushes the sewage and debris. The sewage after secondary treatment enters the water inlet chamber 12 and is thrown out by the rotating filter cover 5. When it is thrown out, it will pass through the filter hole 14. When the sewage and debris pass through the filter hole 14, they will be crushed again by several crushing blades 15 in the filter hole 14, thereby improving the crushing effect. Finally, the sewage will be discharged through the second water pipe 11.
[0018] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.
Claims
1. A wastewater treatment pump with multi-stage crushing and processing, including a base (1), characterized in that: A motor (2) is supported by the base (1), and a crushing box (3) is also provided on the base (1). The output end of the motor (2) extends into the crushing box (3) and is connected to a multi-stage crushing component. The multi-stage crushing assembly includes a rotating rod (4) connected to the output end of the motor (2), a filter cover (5), a spiral impeller (6), and a crushing drum (7) sequentially arranged on the rotating rod (4); The surface of the crushing drum (7) is provided with a number of crushing teeth (8), and the inner wall of the crushing box (3) is provided with a number of crushing teeth (9) on the side close to the crushing drum (7). A first water pipe (10) is provided at one end of the crushing box (3) away from the motor (2), and a second water pipe (11) is provided on one side of the crushing box (3).
2. The wastewater treatment pump with multi-stage pulverization as described in claim 1, characterized in that: The crushing drum (7) is located inside the crushing chamber (3) on the side close to the first water pipe (10), the filter cover (5) is located inside the crushing chamber (3) on the side away from the crushing drum (7), and the spiral impeller (6) is located between the crushing drum (7) and the filter cover (5).
3. The wastewater treatment pump with multi-stage pulverization as described in claim 1, characterized in that: The filter cover (5) is provided with a water inlet cavity (12) at one end near the spiral impeller (6), and the outer surface of the filter cover (5) is rotatably connected to the inner wall of the crushing box (3) through a rotating ring (13).
4. The wastewater treatment pump with multi-stage pulverization as described in claim 3, characterized in that: The filter cover (5) has several filter holes (14) on its surface, and several crushing blades (15) are distributed inside the filter holes (14).
5. The wastewater treatment pump with multi-stage pulverization as described in claim 1, characterized in that: The crushing drum (7) is provided with a guide cone (16) at one end near the first water pipe (10), and the smaller diameter end of the guide cone (16) is close to the first water pipe (10).
6. The wastewater treatment pump with multi-stage pulverization as described in claim 1, characterized in that: The second water pipe (11) is connected to the crushing box (3) and is located on one side of the filter cover (5).
7. The wastewater treatment pump with multi-stage pulverization as described in claim 1, characterized in that: The base (1) is provided with a support ring (17) for fixing the motor (2). The inner wall of the support ring (17) is provided with a rubber shock-absorbing layer. The part of the rotating rod (4) connected to the output end of the motor (2) is supported and wrapped by a stabilizer (18).