Water treating equipment in a kind of miniature cord wood
Technical field
The present invention relates to sewage disposal device, specifically a kind of purification that is applicable to lavatory and various middle and high concentration sewage efflux or the miniature cord wood of the reuse of sterilizing in water treating equipment.
Background technology
No matter existing middle water technology is embedded in subterranean or build on the ground, all bulky, take up an area of many costs height, to sewage only through 1~2 grade of biological treatment and filter, sterilization do not reach middle water quality standard to the processing power of N and P is low, this water enters river, lake, ocean, and all can to make receiving water body form eutrophication be the origin cause of formation of blue algae, red tide.
Summary of the invention
The objective of the invention is only to use 1~2 grade of biological treatment low to N and P processing efficiency at water technology in existing, equipment volume is huge, take up an area of multiplex's complicated defective of planting, providing a kind of all has very high processing efficiency to all contaminants matter, water treating equipment in the little miniature cord wood in the place that needs.
Technical process of the present invention is:
This is the biopurification and the sterilization process of two-stage reinforced anaerobic and one group of anaerobic-aerobic, being constructed as follows of this equipment:
Be made up of suspended sludge bed, pulsed fluidized bed, aerobic fluidized bed and middle water hold tank, the suspended sludge bed has sewage inlet, and water distributor is arranged in it, and lifting water pump and water circulating pump are set, and water pump is extracted sewage out and delivered to pulsed fluidized bed; Surge generator is set in the pulsed fluidized bed, and be filled with suspended biological filler, the bottom is provided with the lifting water pump, water pumped to be loaded on aerobic fluidized bed above the pulsed fluidized bed, the pulsed fluidized bed bottom is middle water hold tank, in the middle water hold tank cyclone mixer is set, drops into sterilizing agent (NaoCl) in the middle water hold tank; (immerseable) micro-strainer, water sprayer are set in aerobic fluidized bed, and aerobic fluidized bed outside is provided with jet-pump.
Wherein, grille well is set at suspended sludge bed sewage inlet place and grid is rejected rubbish foreign material and precipitation silt, and suspended sludge bed top cover is provided with biogas fairlead and fluid level controller; Vapor pipe and biogas fairlead are arranged at the pulsed fluidized bed top; Middle water hold tank outer setting has fluid level controller and force (forcing) pump (reuse and recoil); Aerobic fluidized bed outer setting has reversing valve and wash water valve.
Water treating equipment have two effects in the miniature cord wood of the present invention, characteristics: 1, pulsed fluidized bed is formed two-stage reinforced anaerobic bio-reactor with mode and prime that the pulse big yield refluxes, removes most pollution substance NH
3-N and PO
42, form the anaerobic-aerobic bio-reactor with the back level and further improve water quality treatment.The characteristics of pulsed fluidized bed are both independent in system, and cooperation again can be according to handling the water yield, and the needs of water quality are regulated its cycle of operation and accomplished the end in view.
Follow-up aerobic fluidized bed and micro-strainer is combined in the equipment, cooperates automatic backwash equipment, can keep the filtration capacity of micro-strainer, saves the fabricating yard.Be to solve the high loading point-source pollution, the miniature middle water treating equipment for the treatment of water reuse.
The invention has the beneficial effects as follows:
1, to organic pollution materials, NH
3-N and PO
4The processing efficiency height, recyclable biogas.
2, small-sized, the simple structure of equipment, cost are low has cold-working rivet welding ability just can make assembling, be convenient to popularize, take up an area of little, and cord wood or separate type are assembled all can (also can build into day output>1000m with steel and concrete structure
3Middle water treatment station imbed underground).
The present invention adopts the level Four biological treatment of two-stage anaerobic and one group of anaerobic-aerobic, and all contaminants matter is all had very high processing efficiency, and the place that needs is little, and technology is simple, and every square metre of occupation of land can day processing 8~12m
3Sewage, recyclable biogas meets the recycling economy requirement.
Description of drawings
Fig. 1 is a water treating equipment structural representation in the miniature cord wood of the present invention.
Among the figure, 1-water sprayer, 2-reversing valve, 3-immerseable micro-strainer, the 4-jet-pump, 5-is aerobic fluidized bed, the 6-surge generator, 7-pulsed fluidized bed, 8-suspended biological filler, 9-promotes water pump, 10-sterilizing agent input port, 11-cyclone mixer, the 12-fluid level controller, water hold tank among the 13-, 14-1-promotes water pump, the 14-2-water circulating pump, 15-force (forcing) pump (reuse and recoil), 16-grid, the 17-grille well, 18-fluid level controller, 19-suspended sludge bed, the 20-water distributor, 21-biogas fairlead, 22-biogas fairlead, 23-vapor pipe, the 24-wash water valve, the D-check valve.
Embodiment
As shown in Figure 1, being constructed as follows of water treating equipment in the miniature cord wood of the present invention:
By suspended sludge bed 19, pulsed fluidized bed 7, aerobic fluidized bed 5 and middle water hold tank 13 etc. form, suspended sludge bed 19 has sewage inlet, grille well 17 is set at the sewage inlet place and grid 16 is rejected rubbish foreign material and precipitation silt, water distributor 20 is arranged in the suspended sludge bed, top cover is provided with biogas fairlead 21 and fluid level controller 18, and lifting water pump 14-1 and water circulating pump 14-2 are set, water pump is extracted sewage out and is delivered to pulsed fluidized bed 7.Surge generator 6 is set in the pulsed fluidized bed, and be filled with suspended biological filler 8 (commercial goods), the bottom is provided with and promotes water pump 9, water is pumped to be loaded in aerobic fluidized bed 5 above the pulsed fluidized bed, and vapor pipe 23 and biogas fairlead 22 are arranged at the pulsed fluidized bed top; The pulsed fluidized bed bottom is middle water hold tank 13, in the middle water hold tank cyclone mixer 11 is set, in according to dosage 10 drop into sterilizing agents (Naocl) in the water hold tank from the sterilizing agent input port, middle water hold tank outer setting has fluid level controller 12 and force (forcing) pump 15 (being used for reuse and recoil); Immerseable micro-strainer 3 (adopt the immerseable micro-strainer to replace traditional hyperfiltration membrane assembly and finish the mud-water separation process), water sprayer 1 are set in aerobic fluidized bed, and aerobic fluidized bed outside is provided with jet-pump 4, and reversing valve 2 and wash water valve 24.
The vertical closed assembly of three primary devices (suspended sludge bed, pulsed fluidized bed, aerobic fluidized bed) is undergroundly built a pond.Pulsed fluidized bed and prime suspended sludge bed are formed two-stage and are strengthened biochemical process, are that total system is energy-efficient, low consumption and microminiaturized key.
Working process flows to by treating water and is summarized as follows:
As shown in Figure 1, sewage entered suspended sludge bed 19 after septic tank effluent or other desire treating water inflow grille wells 17 were rejected rubbish foreign material silts by grid 16 from the bottom.During operation, promoting water pump 14-1 is extracted into sewage in the pulsed fluidized bed 7 and suspended biological filler 8 thorough mixing, the full afterpulse producer 6 of water produces pulse, sewage returns suspended sludge bed 19 with big flow through water distributor 20, sewage turnover circulation in pulsed fluidized bed and suspended sludge bed repeatedly, most organic pollution materials in the sewage, N, P, SS by anaerobion absorption, degraded, nitrated after, form biological sludge, CH
4, CO
2Be purified in sewage.
Pondage according to middle water hold tank 13 pumps to aerobic fluidized bed 5 further processing by fluid level controller 12 control lifting water pump 14-1 and 9 with sewage after pulsed fluidized bed is handled once more, jet-pump 4 is started shooting synchronously with promoting water pump 9, and air sucks aerobic microbiological for O through water sprayer 1
2, the residual contamination thing is further purified by aerobic microbiological in the water.The treating water of finishing the biopurification process carries out mud-water separation through immerseable micro-strainer 3, mud is stayed in the pond, clear water flows into cyclone mixer 11 through reversing valve 2, drop into sterilizing agent simultaneously, water and medicine are behind thorough mixing, in middle water hold tank 13, store, carry out back flushing according to the needs of water and recoil by force (forcing) pump 15 pressurization reuses or through 2 pairs of immerseable micro-strainers of reversing valve 3, to keep the filtration capacity of micro-strainer.
Whether the water yield, water quality and the processing intent (effluxing or the reuse of sterilizing) handled according to need reclaim biogas etc., select corresponding specification treatment facility (being existing installation).A lower seal pond, ground (brick mixes or steel reinforced concrete determines according to field condition and volume) of being with grille well is built in addressing at the scene simultaneously.After equipment puts in place, check to align import and export pipe position, direction, the dress biologic packing material, lifting and levelling just can be installed water pump, valve, pipeline and control apparatus one by one, and the errorless on inspection water test-run a machine that just can add moves.
Three equipment cord wood closed assemblies, equipment height overall 6.5~9m, every square metre takes up an area of water~12m in day processing
3, recyclable biogas (also can discrete install).Press installed power and estimate the treating water unit consumption: electric power: 0.8~1KWH/m
3, sterilizing agent: 0.1~0.15 yuan/m
3Be more suitable for the hospital narrow and small, school, institutional settings use in the place.