CN100424022C - Biological/enzymatic wet land sewage processing method - Google Patents
Biological/enzymatic wet land sewage processing method Download PDFInfo
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- CN100424022C CN100424022C CNB2006101253756A CN200610125375A CN100424022C CN 100424022 C CN100424022 C CN 100424022C CN B2006101253756 A CNB2006101253756 A CN B2006101253756A CN 200610125375 A CN200610125375 A CN 200610125375A CN 100424022 C CN100424022 C CN 100424022C
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Abstract
The invention discloses a biological/enzymatic wetland sewage disposing method, which is characterized by the following: setting the depth of wetland at 800-1000mm; adopting three-grade progressive water distribution; distributing evenly for water inlet end; filling enzymatic filler in the wetland; improving shockproof load ability; saving energy; reducing sewage disposing cost.
Description
Technical field
The present invention relates to a kind of sewage water treatment method and corresponding enzymatic wet land, the sewage water treatment method that particularly a kind of bio-reactor combines with enzymatic wet land.
Background technology
The traditional wastewater treatment process mainly contains two kinds: a kind of is based on biological processing unit, biotope is assisted in the back, promptly utilize biological unit to dispose of sewage and reach national relevant emission standards, the wetland unit of connecting again is with further raising effluent quality, and the raising stable water outlet; Another kind is based on wetland unit, promptly removes pollution load and is mainly finished by biotope, and just in order to prolong wetland unit work-ing life, big suspended particle and minimal amounts of dissolved organic pollutant are removed in auxiliary simple biological treatment in the biotope front.
Array mode based on biological processing unit can realize that by the input of energy consumption removal, the anti impulsion load ability of organism and nitrogen phosphorus are strong, but because reduction Ecological Disposal technology, make the place one's entire reliance upon input of biological treatment energy consumption of the removal of pollution load, obtain high more effluent quality, the energy consumption that drops into is also corresponding high more, and this has just caused the appearance of " three is high by more than one " problem.
The traditional biological treatment process is directly handled about 0.27～0.36 yuan/m of energy consumption that needs up to standard with sewage
3Can realize the removal of organism, nitrogen phosphorus with lower energy consumption based on the array mode of biotope, but because biological unit just plays booster action, cause that the biotope pollution load is higher, floor space is big, be subjected to problems such as season plant growth process effect changes greatly, adjustability is limited, the anti impulsion load ability is relatively poor, especially can not get effective pre-treatment when sewage, cause a large amount of suspended solidss to enter wetland unit and can shorten wetland work-ing life greatly.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art part, a kind of biology/enzymatic wet land sewage processing method and corresponding enzymatic wet land are provided, and this sewage water treatment method pollutants removal rate height, energy consumption are low, the anti impulsion load ability strong, stable effluent quality.
For achieving the above object, the technical solution used in the present invention is that a kind of biology/enzymatic wet land sewage processing method comprises
(1) when total phosphorus load is less than or equal to 4mg/L in the sewage, in bio-reactor, adopt the intermittent aeration pattern, aeration time 2～4h, churning time 1～2h, hydraulic detention time 8～12h, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzyme-catalyzed packing layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 2～5mm, 1～2mm, 1～2mm, and shared volume percent is respectively 60～80%, 15～25%, 5～15%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 2～4mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; The enzyme-catalyzed packing layer is made up of enzyme-catalyzed packing, and particle diameter is 10～20mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 2～8mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; Calcic horizon is made up of Wingdale, and particle diameter is 20～40mm; Aggregate layer is made up of rubble, and particle diameter is 30～50mm; The protection soil layer is a soil, and particle diameter is 2～5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800～1000mm, in enzymatic wet land, be followed successively by first treatment zone, second treatment zone, the 3rd treatment zone, the 4th treatment zone from inlet water to outlet water, first treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth; Second treatment zone is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, adsorption layer account for total depth 29～30%, the enzyme-catalyzed packing layer account for total depth 9～11%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 3rd treatment zone is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, calcic horizon account for total depth 9～11%, adsorption layer account for total depth 29～30%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 4th treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth, enzymatic wet land water outlet qualified discharge.
To achieve the object of the present invention, another technical solution used in the present invention is that a kind of biology/enzymatic wet land sewage processing method comprises
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, in bio-reactor, drop into polymerize aluminum chloride 60～100mg/L, hydraulic detention time 1～2h, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzyme-catalyzed packing layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 2～5mm, 1～2mm, 1～2mm, and shared volume percent is respectively 60～80%, 15～25%, 5～15%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 2～4mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; The enzyme-catalyzed packing layer is made up of enzyme-catalyzed packing, and particle diameter is 10～20mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 2～8mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; Calcic horizon is made up of Wingdale, and particle diameter is 20～40mm; Aggregate layer is made up of rubble, and particle diameter is 30～50mm; The protection soil layer is a soil, and particle diameter is 2～5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800～1000mm, in enzymatic wet land, be followed successively by first treatment zone, second treatment zone, the 3rd treatment zone, the 4th treatment zone from inlet water to outlet water, first treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth; Second treatment zone is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, adsorption layer account for total depth 29～30%, the enzyme-catalyzed packing layer account for total depth 9～11%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 3rd treatment zone is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, calcic horizon account for total depth 9～11%, adsorption layer account for total depth 29～30%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 4th treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth, enzymatic wet land water outlet qualified discharge.
To achieve the object of the present invention, another technical scheme of the present invention's employing is that a kind of biology/enzymatic wet land sewage processing method comprises
(1) when total phosphorus load in the sewage greater than 4mg/L and total nitrogen load during greater than 25mg/L, in bio-reactor, adopt the intermittent aeration pattern, aeration time 2～4h, churning time 1～2h, hydraulic detention time 8～12h, drop into polymerize aluminum chloride 60～100mg/L in the bio-reactor, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzyme-catalyzed packing layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 2～5mm, 1～2mm, 1～2mm, and shared volume percent is respectively 60～80%, 15～25%, 5～15%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 2～4mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; The enzyme-catalyzed packing layer is made up of enzyme-catalyzed packing, and particle diameter is 10～20mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 2～8mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%; Calcic horizon is made up of Wingdale, and particle diameter is 20～40mm; Aggregate layer is made up of rubble, and particle diameter is 30～50mm; The protection soil layer is a soil, and particle diameter is 2～5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800～1000mm, in enzymatic wet land, be followed successively by first treatment zone, second treatment zone, the 3rd treatment zone, the 4th treatment zone from inlet water to outlet water, first treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth; Second treatment zone is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, adsorption layer account for total depth 29～30%, the enzyme-catalyzed packing layer account for total depth 9～11%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 3rd treatment zone is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, calcic horizon account for total depth 9～11%, adsorption layer account for total depth 29～30%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth; The 4th treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth, enzymatic wet land water outlet qualified discharge.
A kind of enzymatic wet land that is used for above-mentioned three kinds of methods, it is characterized in that: adopting the filler degree of depth is the wetland of 800～1000mm, first flow deflector is housed in wetland, second flow deflector, the 3rd flow deflector, the 4th flow deflector, the 5th flow deflector, first flow deflector, the 3rd flow deflector, two sides of the 5th flow deflector and wetland join, and leave the gap with the bottom surface of wetland, second flow deflector, the bottom surface of the 4th flow deflector and wetland and two sides join, and keep at a distance with the plane, top of wetland, the first perforation water distributing pipe is between the antetheca and first flow deflector of wetland, the second perforation water distributing pipe is between first flow deflector and second flow deflector, the 3rd perforation water distributing pipe is between second flow deflector and the 3rd flow deflector, the 4th perforation water distributing pipe is between the rear wall of the 5th flow deflector and wetland, the 4th perforation water distributing pipe links to each other with rising pipe, rising pipe stretches out wetland, first water distributing pipe, second water distributing pipe, the 3rd water distributing pipe links to each other with water inlet pipe, first water distributing pipe is successively by first valve, the first flow meter, first magnetic valve puts in wetland, in wetland, link to each other with the first perforation water distributing pipe, second water distributing pipe is successively by second valve, second under meter, second magnetic valve puts in wetland, in wetland, link to each other with the second perforation water distributing pipe, the 3rd water distributing pipe is successively by the 3rd valve, the 3rd under meter, the 3rd magnetic valve puts in wetland, links to each other with the 3rd perforation water distributing pipe in wetland.
The present invention has the following advantages compared to existing technology:
(1) the present invention has concentrated the advantage of the low energy consumption of the high efficiency of biological treatment and Ecological Disposal, more energy-conservation, reduced the cost of sewage disposal, while is owing to the biotope effect giving full play to, reduce biological unit and handled load, can reduce excess sludge production, reach efficient low-consume Treating Municipal Sewage purpose.The present invention utilizes 1/2 energy consumption to get rid of 2/3 pollution load at biological unit, realizes qualified discharge at the pollution load that biotope utilizes 1/6 energy consumption to get rid of residue 1/3, reaches town sewage and handles one-level B standard.
(2) the present invention will carry out a biological disposal upon and Wetland ecological handle to organically combine, and the properly distributed load has prolonged wetland work-ing life; By the biological unit regulation and control, system's anti impulsion load ability strengthens, and has improved seasonal adaptation.
(3) the present invention adopts the advantage of enzymatic deep-bed wetland to be to adopt enzyme-catalyzed packing, has improved biodegradability; It is dark that deep-bed wetland has increased bed, improved hydraulic load, reduced the wetland floor space; Adopt the stepped water distributing mode to intake, reduced wetland head end load, delayed the front end obstruction; Adopt the waveform fluidised form, prolonged the waterpower streamline, increased effective appearance.
Description of drawings
Fig. 1 is the structural representation of the used deep-bed wetland of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
By shown in Figure 1, the structure of the used deep-bed wetland of the present invention can be, adopting the filler degree of depth is the wetland of 800～1000mm, first flow deflector 61 is housed in wetland, second flow deflector 62, the 3rd flow deflector 63, the 4th flow deflector 64, the 5th flow deflector 65, first flow deflector 61, the 3rd flow deflector 63, the 5th flow deflector 65 joins with two sides of wetland, and leave the gap with the bottom surface of wetland, second flow deflector 62, the 4th flow deflector 64 joins with bottom surface and two sides of wetland, and keep at a distance with the plane, top of wetland, the first perforation water distributing pipe 51 is between the antetheca and first flow deflector 61 of wetland, and antetheca near wetland, the second perforation water distributing pipe 52 is between first flow deflector 61 and second flow deflector 62, and near second flow deflector 62, the 3rd perforation water distributing pipe 53 is between second flow deflector 62 and the 3rd flow deflector 63, and near the 3rd flow deflector 63, the 4th perforation water distributing pipe 54 is between the rear wall of the 5th flow deflector 65 and wetland, the 4th perforation water distributing pipe 54 links to each other with rising pipe 14, rising pipe 14 stretches out wetland, first water distributing pipe 11, second water distributing pipe 12, the 3rd water distributing pipe 13 links to each other with water inlet pipe 10, first water distributing pipe 11 is successively by first valve 21, first flow meter 31, first magnetic valve 41 puts in wetland, in wetland, link to each other with the first perforation water distributing pipe 51, second water distributing pipe 12 is successively by second valve 22, second under meter 32, second magnetic valve 42 puts in wetland, in wetland, link to each other with the second perforation water distributing pipe 52, the 3rd water distributing pipe 13 is successively by the 3rd valve 23, the 3rd under meter 33, the 3rd magnetic valve 43 puts in wetland, in wetland, link to each other, realize three grades of stepped water distributing modes with the 3rd perforation water distributing pipe 53.
Above-mentioned five flow deflectors are divided into the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D with wetland.Be the first treatment zone A between the wetland antetheca and first flow deflector 61, be the second treatment zone B between first flow deflector 61 and the 3rd flow deflector 63, being the 3rd treatment zone C between the 3rd flow deflector 63 and the 5th flow deflector 65, is the 4th treatment zone D between the 5th flow deflector 65 and the wetland rear wall.
Biology-enzymatic wet land regulation and control operation is from nitrogen phosphorus regulation and control angle, properly distributed biological and ecological unit load: by the difference between former water nitrogen and phosphorus load and the seasonal nitrogen and phosphorus load tolerance of biotope, determine biological unit removal nitrogen and phosphorus load, thereby determine the regulation and control model of bio-reactor.
1 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load is less than or equal to 4mg/L in the sewage, in bio-reactor, adopt the intermittent aeration pattern, aeration time 2h, churning time 1h, hydraulic detention time 8h, bio-reactor effluent index COD is 120mg/L, NH
4-N is 20mg/L, and TN is 30mg/L, and TP is 1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 2mm, 1mm, 2mm, and shared volume percent is respectively 60%, 25%, 15%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 4mm, 10mm, and shared volume percent is respectively 60%, 40%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 20mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 8mm, 20mm, and shared volume percent is respectively 60%, 40%; Calcic horizon is made up of Wingdale, and particle diameter is 20mm; Aggregate layer is made up of rubble, and particle diameter is 30mm; The protection soil layer is a soil, and particle diameter is 2mm;
(3) adopting the degree of depth is the enzymatic wet land of 1000mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 40mm (account for total depth 4%), aggregate layer 840mm (account for total depth 84%), water distribution layer 40mm (account for total depth 4%), plantation soil layer 80mm (account for total depth 8%); The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 40mm (account for total depth 4%), aggregate layer 450mm (account for total depth 45%), adsorption layer 290mm (account for total depth 29%), enzyme-catalyzed packing layer 90mm (account for total depth 9%), water distribution layer 40mm (account for total depth 4%), plantation soil layer 90mm (account for total depth 9%); The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 40mm (account for total depth 4%), aggregate layer 450mm (account for total depth 45%), calcic horizon 90mm (account for total depth 9%), adsorption layer 290mm (account for total depth 29%), water distribution layer 40mm (account for total depth 4%), plantation soil layer 90mm (account for total depth 9%); The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 40mm (account for total depth 4%), aggregate layer 840mm (account for total depth 84%), water distribution layer 40mm (account for total depth 4%), plantation soil layer 80mm (account for total depth 8%), enzymatic wet land water outlet qualified discharge.
2 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load is less than or equal to 4mg/L in the sewage, in bio-reactor, adopt the intermittent aeration pattern, aeration time 4h, churning time 2h, hydraulic detention time 12h, bio-reactor effluent index COD is 100mg/L, NH
4-N is 15mg/L, and TN is 20mg/L, and TP is 1.2mg/L, and water flows into enzymatic wet land from bio-reactor then, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 5mm, 2mm, 1mm, and shared volume percent is respectively 80%, 15%, 5%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 2mm, 20mm, and shared volume percent is respectively 40%, 60%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 10mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 2mm, 10mm, and shared volume percent is respectively 40%, 60% calcic horizon to be made up of Wingdale, and particle diameter is 40mm; Aggregate layer is made up of rubble, and particle diameter is 50mm; The protection soil layer is a soil, and particle diameter is 5mm;
(3) adopting the degree of depth is the enzymatic wet land of 1000mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 60mm, aggregate layer 760mm, water distribution layer 60mm, plantation soil layer 120mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 60mm, aggregate layer 360mm, adsorption layer 300mm, enzyme-catalyzed packing layer 110mm, water distribution layer 60mm, plantation soil layer 110mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 60mm, aggregate layer 360mm, calcic horizon 110mm, adsorption layer 300mm, water distribution layer 60mm, plantation soil layer 110mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 60mm, aggregate layer 760mm, water distribution layer 60mm, plantation soil layer 120mm, enzymatic wet land water outlet qualified discharge.
3 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load is less than or equal to 4mg/L in the sewage, in bio-reactor, adopt the intermittent aeration pattern, aeration time 3h, churning time 1.5h, hydraulic detention time 10h, bio-reactor effluent index COD is 110mg/L, NH
4-N is 17mg/L, and TN is 25mg/L, and TP is 1.5mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 1000mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 50mm, aggregate layer 800mm, water distribution layer 50mm, plantation soil layer 100mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 50mm, aggregate layer 405mm, adsorption layer 295mm, enzyme-catalyzed packing layer 100mm, water distribution layer 50mm, plantation soil layer 100mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 50mm, aggregate layer 405mm, calcic horizon 100mm, adsorption layer 295mm, water distribution layer 50mm, plantation soil layer 100mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 50mm, aggregate layer 800mm, water distribution layer 50mm, plantation soil layer 100mm, enzymatic wet land water outlet qualified discharge.
4 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, drop into polymerize aluminum chloride PAC 60mg/L in the bio-reactor, hydraulic detention time 1h, bio-reactor effluent index COD is 120mg/L, NH
4-N is 20mg/L, and TN is 30mg/L, and TP is 1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 32mm, aggregate layer 672mm, water distribution layer 32mm, plantation soil layer 64mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 32mm, aggregate layer 360mm, adsorption layer 232mm, enzyme-catalyzed packing layer 72mm, water distribution layer 32mm, plantation soil layer 72mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 32mm, aggregate layer 360mm, calcic horizon 72mm, adsorption layer 232mm, water distribution layer 32mm, plantation soil layer 72mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 32mm, aggregate layer 672mm, water distribution layer 32mm, plantation soil layer 64mm, enzymatic wet land water outlet qualified discharge.
5 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, drop into polymerize aluminum chloride (PAC) 100mg/L in the bio-reactor, hydraulic detention time 2h, bio-reactor effluent index COD is 100mg/L, NH
4-N is 15mg/L, and TN is 20mg/L, and TP is 1.2mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 48mm, aggregate layer 608mm, water distribution layer 48mm, plantation soil layer 96mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 48mm, aggregate layer 288mm, adsorption layer 240mm, enzyme-catalyzed packing layer 88mm, water distribution layer 48mm, plantation soil layer 88mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up; protection soil layer 48mm, aggregate layer 288mm, calcic horizon 88mm, adsorption layer 240mm, water distribution layer 48mm, plantation soil layer 88mm; the 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up; impervious barrier 48mm, aggregate layer 608mm, water distribution layer 48mm, plantation soil layer 96mm, enzymatic wet land water outlet qualified discharge.
6 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, drop into polymerize aluminum chloride (PAC) 80mg/L in the bio-reactor, hydraulic detention time 1.5h, bio-reactor effluent index COD is 110mg/L, NH
4-N is 18mg/L, and TN is 25mg/L, and TP is 1.5mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 40mm, aggregate layer 640mm, water distribution layer 40mm, plantation soil layer 80mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 40mm, aggregate layer 324mm, adsorption layer 236mm, enzyme-catalyzed packing layer 80mm, water distribution layer 40mm, plantation soil layer 80mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 40mm, aggregate layer 324mm, calcic horizon 80mm, adsorption layer 236mm, water distribution layer 40mm, plantation soil layer 80mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 40mm, aggregate layer 640mm, water distribution layer 40mm, plantation soil layer 80mm, enzymatic wet land water outlet qualified discharge.
7 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load greater than 4mg/L and total nitrogen load during greater than 25mg/L, in bio-reactor, adopt the intermittent aeration pattern, aeration time 3h, churning time 1.5h, hydraulic detention time 10h, drop into polymerize aluminum chloride PAC80mg/L in the bio-reactor, bio-reactor effluent index COD is 110mg/L, NH
4-N is 17mg/L, and TN is 25mg/L, and TP is 1.4mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 900mm, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D in enzymatic wet land from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier 45mm, aggregate layer 720mm, water distribution layer 45mm, plantation soil layer 90mm from the bottom up; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 45mm, aggregate layer 364.5mm, adsorption layer 265.5mm, enzyme-catalyzed packing layer 90mm, water distribution layer 45mm, plantation soil layer 90mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up; protection soil layer 45mm, aggregate layer 364.5mm, calcic horizon 90mm, adsorption layer 265.5mm, water distribution layer 45mm, plantation soil layer 90mm; the 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up; impervious barrier 45mm, aggregate layer 720mm, water distribution layer 45mm, plantation soil layer 90mm, enzymatic wet land water outlet qualified discharge.
8 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, drop into polymerize aluminum chloride PAC 60mg/L in the bio-reactor, hydraulic detention time 1h, bio-reactor effluent index COD is 120mg/L, NH
4-N is 20mg/L, and TN is 30mg/L, and TP is 1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 900mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 36mm, aggregate layer 756mm, water distribution layer 36mm, plantation soil layer 72mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 36mm, aggregate layer 405mm, adsorption layer 261mm, enzyme-catalyzed packing layer 81mm, water distribution layer 36mm, plantation soil layer 81mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 36mm, aggregate layer 405mm, calcic horizon 81mm, adsorption layer 261mm, water distribution layer 36mm, plantation soil layer 81mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 36mm (account for total depth 4%), aggregate layer 756mm (account for total depth 84%), water distribution layer 36mm (account for total depth 4%), plantation soil layer 72mm (account for total depth 8%), enzymatic wet land water outlet qualified discharge.
9 one kinds of biology/enzymatic wet land sewage processing methods of embodiment comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, drop into polymerize aluminum chloride PAC100mg/L in the bio-reactor, hydraulic detention time 2h, bio-reactor effluent index COD is 100mg/L, NH
4-N is 15mg/L, and TN is 20mg/L, and TP is 1.2mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzymatic layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer, the plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, its particle diameter is respectively 3.5mm, 1.5mm, 1.5mm, and shared volume percent is respectively 70%, 20%, 10%; Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 3mm, 15mm, and shared volume percent is respectively 50%, 50%; The enzymatic layer is made up of enzyme-catalyzed packing, and a kind of preparation method of this enzyme-catalyzed packing sees patent No. ZL97107306.6, and particle diameter is 15mm; Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 5mm, 15mm, and shared volume percent is respectively 50%, 50%; Calcic horizon is made up of Wingdale, and particle diameter is 30mm; Aggregate layer is made up of rubble, and particle diameter is 40mm; The protection soil layer is a soil, and particle diameter is 3.5mm;
(3) adopting the degree of depth is the enzymatic wet land of 900mm, in enzymatic wet land, be followed successively by the first treatment zone A, the second treatment zone B, the 3rd treatment zone C, the 4th treatment zone D from inlet water to outlet water, the first treatment zone A is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 54mm, aggregate layer 684mm, water distribution layer 54mm, plantation soil layer 108mm; The second treatment zone B is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 54mm, aggregate layer 324mm, adsorption layer 270mm, enzyme-catalyzed packing layer 99mm, water distribution layer 54mm, plantation soil layer 99mm; The 3rd treatment zone C is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, protection soil layer 54mm, aggregate layer 324mm, calcic horizon 99mm, adsorption layer 270mm, water distribution layer 54mm, plantation soil layer 99mm; The 4th treatment zone D is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier 54mm, aggregate layer 684mm, water distribution layer 54mm, plantation soil layer 108mm, enzymatic wet land water outlet qualified discharge.
Claims (4)
1. a biology/enzymatic wet land sewage processing method is characterized in that: comprise
(1) when total phosphorus load is less than or equal to 4mg/L in the sewage, in bio-reactor, adopt the intermittent aeration pattern, aeration time 2～4h, churning time 1～2h, hydraulic detention time 8～12h, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) configuration enzymatic wet land filler
The enzymatic wet land filler comprises plantation soil layer, water distribution layer, enzyme-catalyzed packing layer, adsorption layer, calcic horizon, aggregate layer, seven kinds of fillers of protection soil layer,
The plantation soil layer is mixed by soil, plant ash, three kinds of fillers of sawdust, and its particle diameter is respectively 2～5mm, 1～2mm, 1～2mm, and shared volume percent is respectively 60～80%, 15～25%, 5～15%;
Water distribution layer is mixed by coarse sand, two kinds of fillers of rubble, and its particle diameter is respectively 2～4mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%;
The enzyme-catalyzed packing layer is made up of enzyme-catalyzed packing, and particle diameter is 10～20mm;
Adsorption layer is mixed by thin cinder, two kinds of fillers of rough coal slag, and its particle diameter is respectively 2～8mm, 10～20mm, and shared volume percent is respectively 40～60%, 40～60%;
Calcic horizon is made up of Wingdale, and particle diameter is 20～40mm;
Aggregate layer is made up of rubble, and particle diameter is 30～50mm;
The protection soil layer is a soil, and particle diameter is 2～5mm;
(3) adopting the degree of depth is the enzymatic wet land of 800～1000mm, is followed successively by first treatment zone, second treatment zone, the 3rd treatment zone, the 4th treatment zone in enzymatic wet land from inlet water to outlet water,
First treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth;
Second treatment zone is followed successively by protection soil layer, aggregate layer, adsorption layer, enzyme-catalyzed packing layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, adsorption layer account for total depth 29～30%, the enzyme-catalyzed packing layer account for total depth 9～11%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth;
The 3rd treatment zone is followed successively by protection soil layer, aggregate layer, calcic horizon, adsorption layer, water distribution layer, plantation soil layer from the bottom up, the protection soil layer account for total depth 4～6%, aggregate layer account for total depth 36～45%, calcic horizon account for total depth 9～11%, adsorption layer account for total depth 29～30%, water distribution layer account for total depth 4～6%, the plantation soil layer accounts for 9～11% of total depth;
The 4th treatment zone is followed successively by impervious barrier, aggregate layer, water distribution layer, plantation soil layer from the bottom up, impervious barrier account for total depth 4～6%, aggregate layer account for total depth 76～84%, water distribution layer account for total depth 4～6%, the plantation soil layer account for 8～12% of total depth, enzymatic wet land water outlet qualified discharge.
2. a biology/enzymatic wet land sewage processing method is characterized in that: comprise
(1) when total phosphorus load in the sewage is less than or equal to 25mg/L greater than 4mg/L and total nitrogen load, in bio-reactor, drop into polymerize aluminum chloride 60～100mg/L, hydraulic detention time 1～2h, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) with the step in the claim 1 (2);
(3) with the step in the claim 1 (3).
3. a biology/enzymatic wet land sewage processing method is characterized in that: comprise
(1) when total phosphorus load in the sewage greater than 4mg/L and total nitrogen load during greater than 25mg/L, in bio-reactor, adopt the intermittent aeration pattern, aeration time 2～4h, churning time 1～2h, hydraulic detention time 8～12h, drop into polymerize aluminum chloride 60～100mg/L in the bio-reactor, bio-reactor effluent index COD is 100～120mg/L, NH
4-N is 15～20mg/L, and TN is 20～30mg/L, and TP is 1.2～1.8mg/L, and water flows into enzymatic wet land from bio-reactor, and enzymatic wet land adopts three grades of stepped water distributings, makes that the feed-water end load distribution is even;
(2) with the step in the claim 1 (2);
(3) with the step in the claim 1 (3).
4. enzymatic wet land that is used for claim 1 or 2 or 3 methods, it is characterized in that: adopting the filler degree of depth is the wetland of 800～1000mm, first flow deflector (61) is housed in wetland, second flow deflector (62), the 3rd flow deflector (63), the 4th flow deflector (64), the 5th flow deflector (65), first flow deflector (61), the 3rd flow deflector (63), the 5th flow deflector (65) joins with two sides of wetland, and leave the gap with the bottom surface of wetland, second flow deflector (62), the 4th flow deflector (64) joins with bottom surface and two sides of wetland, and keep at a distance with the plane, top of wetland, the first perforation water distributing pipe (51) is positioned between the antetheca and first flow deflector (61) of wetland, the second perforation water distributing pipe (52) is positioned between first flow deflector (61) and second flow deflector (62), the 3rd perforation water distributing pipe (53) is positioned between second flow deflector (62) and the 3rd flow deflector (63), the 4th perforation water distributing pipe (54) is positioned between the rear wall of the 5th flow deflector (65) and wetland, the 4th perforation water distributing pipe (54) links to each other with rising pipe (14), rising pipe (14) stretches out wetland, first water distributing pipe (11), second water distributing pipe (12), the 3rd water distributing pipe (13) links to each other with water inlet pipe (10), first water distributing pipe (11) is successively by first valve (21), first flow meter (31), first magnetic valve (41) puts in wetland, links to each other with the first perforation water distributing pipe (51) in wetland; Second water distributing pipe (12) puts in wetland by second valve (22), second under meter (32), second magnetic valve (42) successively, links to each other with the second perforation water distributing pipe (52) in wetland; The 3rd water distributing pipe (13) puts in wetland by the 3rd valve (23), the 3rd under meter (33), the 3rd magnetic valve (43) successively, links to each other with the 3rd perforation water distributing pipe (53) in wetland.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187469A (en) * | 1997-01-07 | 1998-07-15 | 重庆建筑大学 | Method of producing granular enzymetic filling for treating waste water |
| CN1392108A (en) * | 2002-07-22 | 2003-01-22 | 吴桐 | Ecological treating method of waste water in wet land for residential area |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187469A (en) * | 1997-01-07 | 1998-07-15 | 重庆建筑大学 | Method of producing granular enzymetic filling for treating waste water |
| CN1392108A (en) * | 2002-07-22 | 2003-01-22 | 吴桐 | Ecological treating method of waste water in wet land for residential area |
Non-Patent Citations (4)
| Title |
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| 人工湿地处理低浓度生活污水的填料优化级配. 鲁铌，章北平，刘真，刘礼祥，陆谢娟，洪永福.武汉理工大学学报，第28卷第1期. 2006 |
| 人工湿地处理低浓度生活污水的填料优化级配. 鲁铌，章北平，刘真，刘礼祥，陆谢娟，洪永福.武汉理工大学学报，第28卷第1期. 2006 * |
| 人工湿地污水处理系统的分析与优化. 刘真，章北平.华中科技大学学报（城市科学版），第20卷第4期. 2003 |
| 人工湿地污水处理系统的分析与优化. 刘真，章北平.华中科技大学学报（城市科学版），第20卷第4期. 2003 * |
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