Foundation pit car washing pool wastewater purification equipment

By designing a foundation pit car wash tank wastewater purification equipment including reaction tanks, water distribution areas, sedimentation tanks and overflow tanks, the problem that traditional drainage systems and third-level sedimentation tanks cannot effectively purify wastewater, and efficient treatment of wastewater and effective sedimentation of dirt are achieved.

CN222556671UActive Publication Date: 2025-03-04SHENZHEN GEOKEY CONSTR GRP CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421055913.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-03-04
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

Traditional drainage systems and third-level sedimentation tanks cannot effectively purify the wastewater from the foundation pit car wash tanks, resulting in the sludge wastewater not being effectively treated, causing pollution and blockage of municipal pipelines.

Method used

A wastewater purification equipment for foundation pit car wash tanks is designed, including reaction tanks, water distribution areas, sedimentation tanks and overflow tanks. After the wastewater is mixed with the flocculation potion in the reaction tank, it is buffered through the water distribution area, and then enters the precipitation tank for natural precipitation, separating clean water and dirt. The clean water overflows through the overflow tank, and dirt is deposited at the conical bottom.

Benefits of technology

Through the use of this equipment, the treatment effect of wastewater is significantly improved, dirt is effectively precipitated and clean water is separated, solving the problem that traditional technology cannot effectively purify wastewater and improving the efficiency of wastewater treatment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222556671U_ABST
    Figure CN222556671U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of wastewater purification equipment, and discloses foundation pit car washing pool wastewater purification equipment which comprises a device body, a plurality of supporting columns are arranged at the bottom of the device body, a reaction pool is arranged on one side of the device body, and a sedimentation pool, a water distribution area and an overflow groove are formed in the device body. The reaction tank is communicated with the water distribution area through a communication port, the water distribution area is communicated with the sedimentation tank through a water inlet, wastewater is pumped into the reaction tank, so that the wastewater and a blended flocculation liquid medicine in the reaction tank are subjected to a mixed reaction, the wastewater is discharged into the water distribution area for buffering after the reaction, and then the wastewater enters the sedimentation tank through the water distribution area for natural sedimentation; and through the arrangement of the overflow groove, the upper-layer clear water naturally overflows into the overflow groove and is discharged into the water storage cylinder, and the dirt is settled into the conical bottom of the settling pond, so that the treatment effect of the wastewater is improved, and the treatment efficiency of the wastewater is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model patent relates to the technical field of wastewater purification equipment, specifically, to wastewater purification equipment for foundation pit car wash pools. Background Art

[0002] In order to ensure that the roads where dump trucks travel are environmentally friendly and clean, the vehicle body needs to be cleaned before it leaves the construction site. Generally, washing facilities are set up at the entrance and exit of the construction site, and the vehicle is initially washed in a car wash pool, and then the vehicle body is manually washed until it meets the road standards.

[0003] Daily use for car washing and road flushing requires a large amount of clean water resources; and when pile foundation construction and large-scale foundation pit excavation are carried out, traditional drainage systems often cannot meet on-site sewage discharge requirements. The tertiary sedimentation tank cannot achieve good treatment effects, and the sludge and wastewater that have not been effectively treated are discharged into the municipal pipeline network, causing pollution and even blockage of municipal pipelines. Summary of the Invention

[0004] The purpose of the utility model is to provide a wastewater purification device for a foundation pit car wash pool, aiming to solve the problem in the prior art that traditional drainage systems and traditional three-stage sedimentation tanks cannot achieve good wastewater purification effects.

[0005] The utility model is implemented as follows: the wastewater purification equipment of the foundation pit car washing pool includes a device body, a plurality of support columns are arranged at the bottom of the device body, a reaction tank is arranged on one side of the device body, a sedimentation tank, a water distribution area and an overflow trough are opened in the device body, the reaction tank is connected with the water distribution area through a connecting port, the water distribution area is connected with the sedimentation tank through a water inlet, an overflow weir is provided between the sedimentation tank and the overflow trough, and a support platform is arranged on one side of the device body.

[0006] Preferably, the sedimentation tank is divided into three parts by two partitions, and three conical sedimentation areas lower than the water distribution area are arranged at the bottom of the sedimentation tank.

[0007] Preferably, the conical bottom opening of the sedimentation zone is a circular sewage outlet with a diameter of 100 mm.

[0008] Preferably, the sewage outlet is connected to a sludge pumping pipe, which is made of PVC.

[0009] Preferably, a plurality of notches are evenly formed on the top of the overflow weir along the axial direction.

[0010] Preferably, a mounting plate is arranged on the reaction pool, a servo motor is arranged at the center of the mounting plate, an output shaft of the servo motor passes through the mounting plate and is connected to a rotating shaft, and a plurality of stirring blades are arranged on the rotating shaft.

[0011] Preferably, the plurality of stirring blades are evenly arranged on the rotating shaft along the circumferential direction.

[0012] Preferably, a drainage pipe communicating with the overflow trough is connected to the side of the device body close to the overflow trough.

[0013] Preferably, a flushing port is further provided at the sewage outlet.

[0014] Preferably, the surface of the stirring blade is provided with a plurality of through holes distributed in a matrix.

[0015] Compared with the existing technology, the wastewater purification equipment for the foundation pit car wash pool provided by the utility model pumps the wastewater into the reaction tank so that the wastewater is mixed and reacted with the flocculation solution prepared in the reaction tank. After the reaction, the wastewater is discharged into the water distribution area for buffering, and then enters the sedimentation tank through the water distribution area for natural sedimentation, so that the wastewater is separated into the upper layer of clear water and the precipitated dirt at the bottom. Through the setting of the overflow trough, the upper layer of clear water can naturally overflow into the overflow trough and be discharged into the water storage cylinder, and the dirt is settled in the conical bottom of the sedimentation tank, thereby improving the treatment effect of the wastewater and further improving the wastewater treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the wastewater purification equipment for the foundation pit car wash pool provided by the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the wastewater purification equipment for the foundation pit car wash pool provided by the utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the reaction tank of the wastewater purification equipment for the foundation pit car wash pool provided by the utility model;

[0019] Figure 4 This utility model provides a wastewater purification device for a car wash pool in a foundation pit. Figure 3 A magnified schematic diagram of the structure in the middle.

[0020] Description of reference numerals:

[0021] 1. Device body; 2. Reaction tank; 3. Sedimentation tank; 4. Mounting plate; 5. Connecting port; 6. Water distribution area; 7. Water inlet; 8. Overflow trough; 9. Notch; 10. Overflow weir; 11. Drain pipe; 12. Support column; 13. Sludge extraction pipe; 14. Servo motor; 15. Stirring blade; 16. Support platform; 17. Partition; 18. Rotating shaft; 19. Through hole. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0024] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The figure shows a preferred embodiment of the present invention.

[0026] The wastewater purification equipment for the foundation pit car washing pool includes a device body 1. Several support columns 12 are arranged at the bottom of the device body 1. A reaction tank 2 is arranged on one side of the device body 1. A sedimentation tank 3, a water distribution area 6 and an overflow trough 8 are opened in the device body 1. The reaction tank 2 is connected with the water distribution area 6 through a connecting port 5. The water distribution area 6 is connected with the sedimentation tank 3 through a water inlet 7. An overflow weir 10 is arranged between the sedimentation tank 3 and the overflow trough 8. A support platform 16 is arranged on one side of the device body 1.

[0027] By pumping the wastewater into the reaction tank 2, the wastewater is mixed with the flocculation solution prepared in the reaction tank 2 to react. After the reaction, the wastewater is discharged into the water distribution area 6 for buffering, and then enters the sedimentation tank 3 through the water distribution area 6 for natural sedimentation, so that the wastewater is separated into the upper layer of clear water and the precipitated dirt at the bottom. Through the setting of the overflow trough 8, the upper layer of clear water can naturally overflow into the overflow trough 8 and be discharged into the water storage cylinder, and the dirt is settled in the conical bottom of the sedimentation tank 3, thereby improving the treatment effect of the wastewater and further improving the wastewater treatment efficiency.

[0028] Specifically, in this embodiment, the sedimentation tank 3 is divided into three parts by two partitions 17 , and three conical sedimentation areas lower than the water distribution area 6 are arranged at the bottom of the sedimentation tank 3 .

[0029] The three sedimentation zones separated by the partition 17 can facilitate the step-by-step sedimentation of the wastewater, making the sewage in the sedimentation tank 3 near the overflow trough 8 clearer, thereby improving the treatment effect of the wastewater.

[0030] Specifically, in this embodiment, the cone-shaped bottom opening of the sedimentation zone is a circular sewage outlet with a diameter of 100 mm, and the sewage outlet is connected to a sludge pumping pipe 13, which is made of PVC.

[0031] The circular sewage outlet cooperates with the sludge extraction pipe 13 to facilitate the discharge of sludge in the sedimentation area.

[0032] Specifically, in this embodiment, a plurality of notches 9 are evenly formed on the top of the overflow weir 10 along the axial direction.

[0033] By setting the gap 9, the water level in the sedimentation area near the overflow trough 8 can naturally overflow into the overflow trough 8 through the gap 9 of the overflow weir 10 after rising to a certain height.

[0034] Specifically, in this embodiment, a mounting plate 4 is arranged on the reaction pool 2, a servo motor 14 is arranged at the center of the mounting plate 4, an output shaft of the servo motor 14 passes through the mounting plate 4 and is connected to a rotating shaft 18, and a plurality of stirring blades 15 are arranged on the rotating shaft 18.

[0035] The servo motor 14 and the stirring blades 15 can facilitate the complete mixing of the wastewater and the flocculation solution, thereby improving the mixing efficiency.

[0036] Specifically, in this embodiment, the plurality of stirring blades 15 are evenly arranged on the rotating shaft 18 along the circumferential direction.

[0037] Specifically, in this embodiment, a drain pipe 11 communicating with the overflow trough 8 is connected to a side of the device body 1 close to the overflow trough 8 .

[0038] By providing the drain pipe 11 , the clean water processed in the overflow tank 8 can be easily discharged to the water storage cylinder for further processing.

[0039] Specifically, in this embodiment, a flushing port is further provided at the sewage outlet.

[0040] By setting up the flushing port, the flushing port can be connected to the tap water pipe, so as to facilitate the flushing and discharge of the sludge accumulated in the sedimentation area.

[0041] Specifically, in this embodiment, a plurality of through holes 19 distributed in a matrix are formed on the surface of the stirring blade 15 .

[0042] By providing the through holes 19 , the shear force exerted on the wastewater by the stirring blades 15 during the stirring process can be increased, thereby improving the stirring efficiency.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Pit car wash pool wastewater purification equipment, characterized in that: The invention comprises a device body, a plurality of support columns are arranged at the bottom of the device body, a reaction tank is arranged at one side of the device body, a sedimentation tank, a water distribution area and an overflow trough are provided in the device body, the reaction tank is connected with the water distribution area through a connecting port, the water distribution area is connected with the sedimentation tank through a water inlet, an overflow weir is arranged between the sedimentation tank and the overflow trough, and a support platform is arranged at one side of the device body.

2. The wastewater purification equipment for a car wash pool in a foundation pit according to claim 1, characterized in that: The sedimentation tank is divided into three parts by two partitions, and three conical sedimentation areas lower than the water distribution area are arranged at the bottom of the sedimentation tank.

3. The wastewater purification equipment for a car wash pool in a foundation pit as claimed in claim 2, characterized in that: The conical bottom opening of the sedimentation zone is a circular sewage outlet with a diameter of 100 mm.

4. The wastewater purification equipment for a car wash pool in a foundation pit as claimed in claim 3, characterized in that: The sewage outlet is connected with a sludge pumping pipe, which is made of PVC material.

5. The wastewater purification equipment for a car wash pool in a foundation pit according to claim 1, characterized in that: A plurality of notches are evenly arranged on the top of the overflow weir along the axial direction.

6. The wastewater purification equipment for a car wash pool in a foundation pit according to claim 1, characterized in that: A mounting plate is arranged on the reaction pool, a servo motor is arranged at the center of the mounting plate, an action output shaft of the servo motor passes through the mounting plate and is connected to a rotating shaft, and a plurality of stirring blades are arranged on the rotating shaft.

7. The wastewater purification equipment for a car wash pool in a foundation pit as claimed in claim 6, characterized in that: The plurality of stirring blades are uniformly arranged on the rotating shaft along the circumferential direction.

8. The wastewater purification equipment for a car wash pool in a foundation pit as claimed in claim 1, characterized in that: A drainage pipe communicating with the overflow trough is connected to one side of the device body close to the overflow trough.

9. The wastewater purification equipment for a car wash pool in a foundation pit as claimed in claim 4, characterized in that: A flushing port is also provided at the sewage outlet.

10. The wastewater purification equipment for a car wash pool in a foundation pit according to claim 6, characterized in that: The surface of the stirring blade is provided with a plurality of through holes distributed in a matrix.