Sewage pump
By installing a crushing mechanism at the inlet pipe and using a crushing wheel and gear system to pre-treat the wastewater, the problem of large particles in the wastewater damaging the pump body is solved, and the pump body can be stably operated and efficiently treated.
Patent Information
- Application Number
- CN202423315909.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-31
AI Technical Summary
When treating wastewater, existing sewage pumps are prone to damage to the internal structure of the pump body due to the large amount of solid particles in the wastewater, leading to frequent maintenance and affecting normal operation.
A pulverizing mechanism is installed at the water inlet pipe, including a housing, a first pulverizing wheel, a second pulverizing wheel, a gear, and a gear ring. The second pulverizing wheel is driven by a motor to rotate between the first pulverizing wheel and the corrugated groove, thereby grinding large particles in the wastewater and preventing them from entering the pump body.
It effectively protects the internal components of the pump body, reduces the frequency of downtime maintenance, improves wastewater treatment efficiency, and reduces production costs.
Smart Images
Figure CN223578225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sewage pump technical field especially is related to a sewage pump. BACKGROUND
[0002] The sewage pump is an important component part in the wastewater treatment process, which is used for pumping wastewater into the treatment equipment, but because the wastewater passing through the sewage pump is not treated, it contains a large amount of solid particles, which can damage the internal structure of the pump body, resulting in the sewage pump needing to be repaired frequently, affecting the normal wastewater treatment work to proceed smoothly. SUMMARY
[0003] In order to overcome the defects of the prior art, the utility model provides a sewage pump, which effectively solves the problem that solid particles can easily damage the sewage pump.
[0004] The technical scheme for solving the technical problem is: a sewage pump, comprising a pump body, a water inlet pipe and a water outlet pipe are arranged on the pump body, a crushing mechanism is connected to one end of the water inlet pipe, the crushing mechanism comprises a shell, a corrugated groove is arranged on the inner wall of the shell, a first crushing wheel is coaxially arranged in the shell, the first crushing wheel is not in contact with the inner wall of the shell on both sides, a plurality of second crushing wheels are arranged between the first crushing wheel and the corrugated groove, the second crushing wheel is coaxially connected with a first gear, a first gear ring meshing with the first gear is arranged in the shell, a second gear ring meshing with the first gear is rotatably arranged in the shell, teeth are arranged on the inner and outer sides of the second gear, a second gear meshing with the second gear ring is rotatably arranged on the shell, the second gear is driven by a motor to rotate the second gear ring, so that the second crushing wheel rotates between the first crushing wheel and the corrugated groove.
[0005] Preferably, the water inlet pipe and the crushing mechanism are connected through a flange.
[0006] Preferably, the bottom of the pump body is provided with a base.
[0007] Preferably, the second crushing wheel is provided with three and is uniformly arranged around the center of the shell.
[0008] Preferably, the corrugated groove is in line with the side wall of the second crushing wheel.
[0009] The utility model has the advantages of simple and ingenious structure, convenient use, crushing of wastewater before entering the pump body, avoiding large solid particles from entering the internal parts of the pump body, avoiding damage to the internal parts of the pump body, thereby protecting the sewage pump, reducing the workload of workers, and being more conducive to improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 is a structural schematic view of the sewage pump of the utility model.
[0011] Figure 2This is a cross-sectional schematic diagram of the crushing mechanism in a sewage pump according to this utility model.
[0012] Figure 3 This utility model relates to a sewage pump. Figure 2 A schematic diagram of the cross-sectional structure of AA. Detailed Implementation
[0013] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.
[0014] Depend on Figures 1 to 3 It is known that a sewage pump includes a pump body 1, a base 13 at the bottom of the pump body 1, an inlet pipe 2 and an outlet pipe 3 on the pump body 1, one end of the inlet pipe 2 is connected to a pulverizing mechanism, and the inlet pipe 2 and the pulverizing mechanism are connected via a flange. The pulverizing mechanism includes a housing 4, the inner wall of the housing 4 is provided with corrugated grooves 5, a first pulverizing wheel 6 is coaxially rotatably arranged inside the housing 4, the two sides of the first pulverizing wheel 6 do not contact the inner wall of the housing 4, and a plurality of second pulverizing wheels 7 are arranged between the first pulverizing wheel 6 and the corrugated grooves 5. There are three second pulverizing wheels 7, which are evenly arranged around the center of the housing 4 to keep the first pulverizing wheel 6 concentric with the housing 4 without deviation. The corrugated grooves 5 and the second pulverizing wheels 7 are... The sidewalls fit together, and a friction crushing combination is formed between the second crushing wheel 7 and the corrugated groove 5. At the same time, the second crushing wheel 7 and the first crushing wheel 6 form a friction crushing combination. The second crushing wheel 7 is coaxially connected to the first gear 8. A first gear ring 9 that meshes with the first gear 8 is provided inside the housing 4. A second gear ring 10 that meshes with the first gear 8 is rotatably provided inside the housing 4. Teeth are provided on both the inner and outer sides of the second gear 11. A second gear 11 that meshes with the second gear ring 10 is rotatably provided on the housing 4. The second gear 11 is driven by the motor 12 to drive the second gear ring 10 to rotate, so that the second crushing wheel 7 rotates between the first crushing wheel 6 and the corrugated groove 5.
[0015] In practical use, this utility model
[0016] Pump body 1 is used in a wastewater treatment system. After passing through the crushing mechanism, the wastewater enters the pump body 1 through the inlet pipe 2. The crushing mechanism crushes large solid impurities in the wastewater, so that the particles entering the pump body 1 are smaller, which will not cause significant damage to the internal parts of the pump body 1, ensuring the stable and continuous operation of the pump body 1, reducing the frequency of downtime maintenance, and reducing production costs.
[0017] In the crushing mechanism, the friction surfaces formed between the first crushing wheel 6 and the second crushing wheel 7, the second crushing wheel 7 and the corrugated groove 5 are used for grinding the solid particles, the three second crushing wheels 7 are connected by the support in the shell 4, so that they are kept in a uniform state, the distance between them is kept stable, the wastewater can enter the pump body 1 through the gap between the first crushing wheel 6 and the corrugated groove 5, the distance between the side of the first crushing wheel 6 and the inner wall of the shell 4 is small, and the gap at the inlet side is larger than that at the outlet side, so only the solid particles smaller than the gap at the outlet side can enter the pump body 1, so that the large-particle solid impurities are prevented from entering the pump body 1 to damage the pump body 1.
[0018] The motor 12 drives the second gear 11 to rotate, the second gear ring 10 is provided with teeth on the inner and outer sides, the motor 12 can drive the second gear ring 10 to rotate in the shell 4, the second gear ring 10, the first gear 8 and the first gear ring 9 form a planetary gear structure, the first gear ring 9 is fixed with the shell 4 and kept stable, the second gear ring 10 rotates, so that the first gear 8 rotates outside the first gear ring 9, thereby making the second crushing wheel 7 rotate around the center of the shell 4, so that the relative force between the second crushing wheel 7, the first crushing wheel 6 and the corrugated groove 5 is generated, and the solid particles in the wastewater are ground.
[0019] Compared with the prior art, the utility model has the following beneficial effects: the wastewater can be ground before entering the pump body, the large-particle solid impurities are prevented from entering the pump body, the damage of the internal parts of the pump body is avoided, the maintenance frequency is reduced, and the treatment efficiency of the wastewater is improved.
Claims
1. A sewage pump, characterized in that, The pump body (1) is provided with an inlet pipe (2) and an outlet pipe (3). One end of the inlet pipe (2) is connected to a crushing mechanism. The crushing mechanism includes a housing (4). The inner wall of the housing (4) is provided with a corrugated groove (5). A first crushing wheel (6) is coaxially rotatably arranged inside the housing (4). The two sides of the first crushing wheel (6) do not contact the inner wall of the housing (4). Multiple second crushing wheels (7) are arranged between the first crushing wheel (6) and the corrugated groove (5). The second crushing wheels (7) are coaxially connected to a first gear (8). The body (4) is provided with a first gear ring (9) that meshes with the first gear (8). The housing (4) is rotatably provided with a second gear ring (10) that meshes with the first gear (8). The inner and outer sides of the second gear (11) are provided with teeth. The housing (4) is rotatably provided with a second gear (11) that meshes with the second gear ring (10). The second gear (11) is driven by a motor (12) to drive the second gear ring (10) to rotate, so that the second crushing wheel (7) rotates between the first crushing wheel (6) and the corrugated groove (5).
2. A sewage pump according to claim 1, characterized in that, The water inlet pipe (2) is connected to the crushing mechanism via a flange.
3. A sewage pump according to claim 1, characterized in that, The pump body (1) is provided with a base (13) at the bottom.
4. A sewage pump according to claim 1, characterized in that, The second crushing wheel (7) is provided in three parts and is evenly arranged around the center of the housing (4).
5. A sewage pump according to claim 1, characterized in that, The corrugated groove (5) matches the side wall of the second crushing wheel (7).