一种高水力负荷折流式溶气气浮系统
Through baffled design and multi-zone optimization, the hydraulic load and treatment efficiency of the dissolved air flotation device have been improved, solving the problems of short water retention time and large footprint, and achieving efficient and compact sewage treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUOMEI TIANJIN WATER TECH ENG
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-17
AI Technical Summary
Existing dissolved air flotation devices have low hydraulic load rates, limited water retention and reaction efficiency in the tank, and large footprints, making it difficult to meet the needs of efficient and compact treatment.
The flotation tank is divided into multiple zones, including a bubble release zone, a sedimentation zone, a flotation zone, and a slag well. The flotation zone and the slag well are separated by baffles, and V-shaped baffles and U-shaped outlet channels are set at the inlet and outlet ends. Combined with a spiral sludge scraper and a chain slag scraper, the water flow path and recycling are optimized.
It improved hydraulic load and treatment efficiency, reduced footprint, enhanced solid-liquid separation effect, optimized water circulation and resource recovery, and ensured stable operation of the equipment.
Smart Images
Figure CN224513244U_ABST
Abstract
Claims
1. A high hydraulic loading deflection dissolved air flotation system, characterized by, It includes an air flotation tank (1), a chain scraper (5), and a spiral sludge scraper (16); The flotation tank (1) is divided into five areas, including a bubble release area, a sedimentation area, a flotation area, a sludge well, and an effluent trough. The flotation area is located in the middle of the flotation tank (1), and the sludge well is located at the end of the flotation tank (1). The flotation area and the sludge well are separated by a baffle plate (2). A V-shaped baffle (12) forming the bubble release area is provided at the front end of the flotation tank (1). The two ends of the V-shaped baffle (12) are respectively sealed to the two side walls of the flotation tank (1). The height of the side facing the flotation area is lower than the height of the other side. A dissolved air water pipe (8) is installed on the wall of the bubble release zone; the inlet pipe extends from the front side of the flotation tank (1) into the bubble release zone; the outlet trough is a U-shaped opening at the top, located at the front of the flotation tank (1), above the inlet pipe, and its two ends are respectively sealed to the two side walls of the flotation tank (1), and an outlet pipe (11) is installed on the wall of the outlet trough; the sedimentation zone is located below the flotation zone and at the bottom of the flotation tank (1), and the spiral scraper (16) is installed in the sedimentation zone; the chain scraper (5) is installed on the top of the flotation tank (1).
2. The high hydraulic loading baffling dissolved air flotation system of claim 1, wherein, The top of the baffle plate (2) is a gentle slope plate with a bend in the middle.
3. The high hydraulic loading baffling dissolved air flotation system of claim 1, wherein, On the wall of the flotation tank (1) below the inlet pipe, there is a return outlet pipe (13). Some of the water in the flotation tank (1) flows out from the return outlet pipe (13), and after pressurization and circulation, it enters the flotation tank (1) again as dissolved air water through the dissolved air water pipe (8).
4. The high hydraulic loading deflector-type dissolved air flotation system of claim 1, wherein, A slag discharge pipe (18) is installed on the pool wall at the bottom of the slag well for discharging sludge from the slag well.
5. The high hydraulic loading deflector-type dissolved air flotation system of claim 1, wherein, A bottom sludge discharge pipe (17) is installed on the pool wall at the end of the spiral scraper (16).