CN213834765U

CN213834765U - Energy-saving and efficient hydraulic automatic control combined system overflow pollution treatment system

Info

Publication number: CN213834765U
Application number: CN202022554537.6U
Authority: CN
Inventors: 周慧; 郑陈华
Original assignee: Shanghai Qinju Environmental Protection Equipment Co ltd
Current assignee: Shanghai Qinju Environmental Protection Equipment Co ltd
Priority date: 2020-11-08
Filing date: 2020-11-08
Publication date: 2021-07-30
Anticipated expiration: 2030-11-08

Abstract

The utility model relates to an energy-conserving efficient water conservancy automatic control's confluence system overflow pollution treatment system. At first through the high concentration sewage in the confluence system overflow pollution discharge water of rain and sewage shunt separation, rethread hydraulic cyclone gets rid of big proportion particulate matter and the floater in the confluence system overflow pollution discharge water, finally gets rid of little proportion particulate matter and COD in the confluence system overflow pollution discharge water through multistage adjustable swash plate particle separator for it reaches one-level A emission standard in "town sewage treatment plant pollutant emission standard" (GB/T18918 supple with food 2002) to go out water quality of water, the utility model discloses running cost is low, the energy consumption is low, can high-efficient processing confluence system overflow pollution.

Description

Energy-saving and efficient hydraulic automatic control combined system overflow pollution treatment system

Technical Field

The utility model relates to an energy-conserving efficient water conservancy automatic control's confluence system overflow pollution treatment system belongs to the sewage treatment technology field in the environmental engineering technique.

Background

Due to the influence of various factors such as air pollution, urban ground surface pollution and the like, a large amount of pollutants with complex components enter a water body through rainwater leaching and scouring in the rainfall process, so that the ground surface water environment or underground water is seriously polluted. Especially in the early stage of rainfall, runoff has the effects of dissolving, scouring and suspending ground pollutants, so that the quality of runoff in the early stage is poor, especially the pollution load of the runoff on the road surface in a residential area and urban streets is quite high, the floating range is large, and if the runoff is directly discharged into a receiving water body, the water body pollution is caused. In addition, the large volume of overflow rain may carry surface debris, such as floating objects like fallen leaves, paper towels, plastic bags, etc., into the piping system, or settle in the pipes, or be discharged directly into the water through the drain. The deposited garbage can be deposited at the bottom of the pipeline and is scoured and suspended again in the next heavy rain condition, so that the runoff water quality is further deteriorated.

The traditional combined system overflow pollution treatment mode comprises an activated sludge method and a biofilm method, and the activated sludge method can generate a large amount of excess sludge, meanwhile, the system occupies a large area, has high energy consumption and complex operation management, and the biofilm method has large influence on hydraulic load fluctuation, is easy to inhibit microbial activity, and has low sewage treatment benefit.

Disclosure of Invention

The utility model aims at providing a hydraulic automatic control sewage treatment technology which has low operation cost and low energy consumption and can efficiently treat the pollution of combined system overflow.

In order to achieve the purpose, the utility model discloses at first separate the high concentration sewage in the confluence system overflow polluted water drainage through rain sewage shunt, rethread hydraulic cyclone gets rid of the big proportion particulate matter and the floater in the confluence system overflow polluted water drainage, finally gets rid of little proportion particulate matter and COD in the confluence system overflow polluted water drainage through multistage adjustable swash plate particle separator for it reaches one-level A emission standard in "town sewage treatment plant pollutant emission standard" (GB/T18918-.

The utility model discloses the process steps of compriseing rain and sewage shunt, hydrocyclone, multistage adjustable swash plate particle separator are as follows:

the first step, separating and merging high concentration sewage in overflow polluted drainage by rain-sewage splitter

The rainwater and sewage flow divider comprises a buoy valve, an adjustable overflow weir, an online monitoring point and a sewage pipe, wherein the buoy valve and the adjustable overflow weir carry out water flow direction adjustment according to the water quality and the water level monitored by the online monitoring point;

secondly, removing the large specific gravity particulate matters and floating matters in the combined overflow polluted drainage water by a hydrocyclone

The hydraulic cyclone separator comprises an outflow siphon pipe, a slag trap, an annular water flow groove, a cylindrical inner well chamber and a deposition chamber, combined overflow polluted drainage is led into the cylindrical inner well chamber along the tangential direction of the annular water flow groove, large-specific gravity particles are collected in the deposition chamber, floaters are intercepted above the cylindrical inner well chamber through the slag trap, and effluent is sent to the multistage adjustable inclined plate particle separator through the outflow siphon pipe;

thirdly, removing the particulate matters with small specific gravity and COD in the combined overflow polluted wastewater by a multistage adjustable inclined plate particle separator

The multistage adjustable inclined plate particle separator comprises a first-stage high-efficiency reaction area, a second-stage inclined plate particle separation area and a third-stage high-efficiency adsorption area, wherein micron-sized solid-phase oxide ore is added into the first-stage high-efficiency reaction area to carry out coagulation reaction, the flocculation aggregation effect and the sludge sedimentation effect of small-specific gravity particles are enhanced, effluent is treated by the first-stage high-efficiency reaction area and then is input into the second-stage inclined plate particle separation area, rotary thin plates are arranged in the middle of the second-stage inclined plate particle separation area and are mutually combined and keep a certain interval, a control floating ball is arranged at an outlet of each rotary thin plate, the floating ball can be controlled to float when the water level rises, one end of each rotary thin plate is tilted to be 55-75 degrees relative to the vertical direction, the water flow rate is low, the small-specific gravity particles are deposited on the rotary thin plates, and when the water level falls, the floating ball is controlled to fall down, and the rotary thin plates are restored to be in the vertical state, the small-specific gravity particulate matter deposits to second grade swash plate formula particle separation region bottom, hydraulic flushing device is arranged to second grade swash plate formula particle separation region bottom, hydraulic flushing device passes through the mode of water level potential energy rotation energy, the small-specific gravity particulate matter of deposit can be washed away fast to the flush water of instantaneous release seat plume, it gets into tertiary high-efficient adsorption zone to go out the water after the processing of second grade swash plate formula particle separation region, through arranging fixed high specific surface area fibre adsorption filler and floated granule type adsorption filler in tertiary high-efficient adsorption zone, the COD in the confluence system overflow pollution discharge water is got rid of to the high efficiency, through the deep purification of multistage adjustable swash plate particle separator, it reaches one-level A emission standard in cities and towns sewage treatment plant pollutant emission standard (GB/T18918-.

Further, the float valve of the first step adjusts the excess water quantity of the high-concentration sewage according to the water level, and the higher the water level is, the smaller the excess water quantity of the high-concentration sewage is.

Furthermore, the adjustable overflow weir of the first step adjusts the overflow drainage overflow volume in the combined overflow polluted drainage according to the water quality, and the overflow drainage volume in the combined overflow polluted drainage is smaller when the water quality concentration is higher.

Furthermore, the micron-sized solid-phase oxide ore in the third step consists of a binary composite metal oxide of ferromanganese.

Further, the proportion of the fixed high-specific surface area fiber adsorption filler to the suspended particle type adsorption filler in the third step is 5: 3-7: 3.

The utility model has the advantages that:

1. the utility model provides a buoy valve, hydraulic cyclone and rotation type sheet metal adopt hydraulic power kinetic energy, need not external energy consumption.

2. The utility model discloses a design of rotation type sheet metal adjustable angle can form high hydraulic load condition on the one hand, and the particulate matter that on the other hand rotation type sheet metal deposite can obtain quick clearance.

3. Through the utility model discloses a combination formula processing technology of system can high-efficiently handle the confluence system overflow and pollute.

Drawings

Fig. 1 is a schematic view of the process flow of the present invention.

Detailed Description

Please refer to fig. 1.

The water discharge of certain combined overflow pollution is 100m³The COD is 50-500 mg/L and the SS is 100-2000 mg/L.

The multistage adjustable inclined plate particle separator comprises a first-stage high-efficiency reaction area, a second-stage inclined plate particle separation area and a third-stage high-efficiency adsorption area, wherein micron-sized solid-phase oxide ore is added into the first-stage high-efficiency reaction area to carry out coagulation reaction, the flocculation aggregation effect and the sludge sedimentation effect of small-specific gravity particles are enhanced, effluent is treated by the first-stage high-efficiency reaction area and then is input into the second-stage inclined plate particle separation area, rotary thin plates are arranged in the middle of the second-stage inclined plate particle separation area and are mutually combined and keep a certain interval, a control floating ball is arranged at an outlet of each rotary thin plate, the control floating ball floats when the water level rises, one end of each rotary thin plate is tilted to be 65 degrees relative to the vertical direction, the water flow velocity is low, the small-specific gravity particles are deposited on the rotary thin plates, and when the water level falls, the floating ball is controlled to fall, and the rotary thin plates are restored to be in a vertical state, the small-specific gravity particles are deposited at the bottom of the secondary inclined plate type particle separation area, the bottom of the secondary inclined plate type particle separation area is provided with a hydraulic flushing device, the hydraulic flushing device instantly releases mat swirl flushing water in a mode of water level potential energy rotation energy to quickly flush away the deposited small-specific gravity particles, the small-specific gravity particles are treated by the secondary inclined plate type particle separation area, and then the effluent enters a three-level efficient adsorption area, the fixed high-specific-surface-area fiber adsorption filler and the suspended particle type adsorption filler are arranged in the three-level efficient adsorption area, COD in combined overflow polluted wastewater is efficiently removed, deep purification treatment is carried out by a multistage adjustable inclined plate particle separator, COD of effluent is 40-50 mg/L, SS is 5-10 mg/L, and the quality of the effluent reaches the first-level A emission standard in pollutant emission Standard of municipal wastewater treatment plant (GB/T18918 plus 2002).

The float valve in the first step adjusts the water passing amount of the high-concentration sewage according to the water level, and the higher the water level is, the smaller the water passing amount of the high-concentration sewage is.

The adjustable overflow weir of the first step adjusts the overflow drainage overflow volume in the combined overflow polluted drainage according to the water quality, and the overflow drainage overflow volume in the combined overflow polluted drainage is smaller when the water quality concentration is higher.

The third step of micron level solid phase oxide ore consists of binary composite metal oxide of ferromanganese.

The proportion of the fixed high specific surface area fiber adsorption filler to the suspended particle type adsorption filler in the third step is 6: 3.

Claims

1. An energy-saving and efficient hydraulic automatic control combined system overflow pollution treatment system is characterized in that:

The multistage adjustable inclined plate particle separator comprises a first-stage high-efficiency reaction area, a second-stage inclined plate particle separation area and a third-stage high-efficiency adsorption area, wherein micron-sized solid-phase oxide ore is added into the first-stage high-efficiency reaction area to carry out coagulation reaction, the flocculation aggregation effect and the sludge sedimentation effect of small-specific gravity particles are enhanced, effluent is treated by the first-stage high-efficiency reaction area and then is input into the second-stage inclined plate particle separation area, rotary thin plates are arranged in the middle of the second-stage inclined plate particle separation area and are mutually combined and keep a certain interval, a control floating ball is arranged at an outlet of each rotary thin plate, the floating ball can be controlled to float when the water level rises, one end of each rotary thin plate is tilted to be 55-75 degrees relative to the vertical direction, the water flow rate is low, the small-specific gravity particles are deposited on the rotary thin plates, and when the water level falls, the floating ball is controlled to fall down, and the rotary thin plates are restored to be in the vertical state, the small-specific gravity particulate matter deposits to second grade swash plate formula particle separation region bottom, hydraulic flushing device is arranged to second grade swash plate formula particle separation region bottom, hydraulic flushing device passes through the mode of water level potential energy rotation energy, the small-specific gravity particulate matter of deposit can be washed away fast to the flush water of instantaneous release seat plume, it gets into tertiary high-efficient adsorption zone to go out the water after the processing of second grade swash plate formula particle separation region, through arranging fixed high specific surface area fibre adsorption filler and floated granule type adsorption filler in tertiary high-efficient adsorption zone, the COD in the confluence system overflow pollution discharge water is got rid of to the high efficiency, through the deep purification of multistage adjustable swash plate particle separator, it reaches one-level A emission standard in cities and towns' sewage treatment plant pollutant emission standard GB/T18918-2002 to go out water quality.