CN101659501A - Artificial ecological wastewater treatment unit in expressway service areas - Google Patents

Artificial ecological wastewater treatment unit in expressway service areas Download PDF

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Publication number
CN101659501A
CN101659501A CN200910131192A CN200910131192A CN101659501A CN 101659501 A CN101659501 A CN 101659501A CN 200910131192 A CN200910131192 A CN 200910131192A CN 200910131192 A CN200910131192 A CN 200910131192A CN 101659501 A CN101659501 A CN 101659501A
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water
wastewater treatment
treatment unit
service areas
artificial
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CN200910131192A
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Chinese (zh)
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CN101659501B (en
Inventor
梁明易
刘辉
岳蓬蓬
刘谞承
曾嘉强
汪涛
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环境保护部华南环境科学研究所
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention relates to an artificial ecological wastewater treatment unit in expressway service areas. A layered unit is made from ecological concrete material and is divided into a plant layer, anartificial filler layer and an artificial composite filtering material bedding layer from top to bottom; the thickness of the artificial composite filtering material bedding layer at the bottom part is 4-8 cm, and the artificial composite filtering material bedding layer is formed by mixing crushed stone with the diameter of 1-4 cm, building rubbish, slag and clay particles, and the volume mixingratio is 6:2:1:1; the artificial filler layer is formed by mixing original soil and sawdust, the volume mixing ratio is 6:4, and the thickness is 4-6 cm; and the plant layer comprises black rush, bahia grass (12 clusters/square meter), perennial ryegrass and bulrush (18 clusters/square meter). The artificial ecological wastewater treatment unit can effectively clear the inorganic eutrophic elements, such as nitrogen and phosphorus, in the sewage water, removes various organic pollutant substances such as SS, COD, BOD5, and the like, and conforms to the characteristics of low water quantity andunstable water quality of expressways; in addition, the artificial ecological wastewater treatment unit has wide application range, is not limited by sites, also can be used for treatment of pools, domestic wastewater and industrial wastewater, and is less in construction investment and convenient to operate.

Description

A kind of artificial ecological wastewater treatment unit in expressway service areas
Technical field
The present invention relates to a kind of artificial ecology treatment unit for waste water, relate in particular to high road service area (highway service station, charge station, Surveillance center etc.) artificial ecology treatment unit for waste water, belong to field of environmental engineering.
Background technology
At present, road construction is seldom handled the sanitary sewage of satellite regions along the line and utilization again except afforestation project, and great majority directly discharge, and cause ecological damage along the line.In recent years, along with the raising of governments at all levels, had a small amount of area to begin service area along the line is carried out sewage disposal, but effect is unsatisfactory to highway environment protection consciousness.Existing high road service area sewage has that the water yield is little, water quality and water yield fluctuation is big, nitrogen in the sewage, characteristics that phosphorus concentration is high, wherein, ammonia nitrogen concentration can reach 100mg/L, phosphorus concentration can reach 10mg/L, and the ammonia nitrogen concentration in the common sanitary sewage can reach 20mg/L, phosphorus concentration can reach 5mg/L.The main technique of existing high road service area sewage disposal has biological contact oxidation process and anaerobism, aerobic alternate run method (A/O method).And the ammonia nitrogen after handling through biological contact oxidation process, phosphoric acid salt can not stably reaching standards; Though and the A/O method has the denitrogenation dephosphorizing function after handling, the poor performance that anti-water quantity and quality changes.In addition, single biological contact oxidation process and A/O method all need unit such as second pond, and floor space is big, and the floating substrate concentration fluctuation of water outlet is big, and investment is big, the high and operation inconvenience of operation and overhead charges.While is few owing to the motorway water yield, water quality is unstable, processing efficiency is low, floor space is big and be subjected to features such as seasonal effect is big, unattended, and is difficult to find suitable treatment facility.
Summary of the invention
The invention discloses a kind of artificial ecological wastewater treatment unit in expressway service areas.It adopts the eco-concrete material as base material, adopt the eco-concrete material to constitute the stratiform unit, from top to bottom be divided into layer of plants, hand-stuff layer and artificial composite filtering material bed course, the artificial composite filtering material cushion thickness that it is characterized in that bottommost is 4-8cm, diameter is that rubble, building waste, slag and the clay particle of 1-4cm mixes, and the volume mixture ratio is 6: 2: 1: 1; The hand-stuff layer is mixed by original soil and acute wood chip, and the volume mixture ratio is 6: 4, and thickness is 4-6cm; Layer of plants is made of Rush, 12 clumps/square metre of paspalum notatums, rye grass, 18 clumps/square metre of fragrant Pus.The voidage of the artificial composite filtering material bed course of wherein said artificial ecological wastewater treatment unit in expressway service areas is 15%~20%, and coefficient of permeability is 8~9 more than or equal to 1 * 10-1cm/s, pH value; Described artificial ecological wastewater treatment unit in expressway service areas has the rectangle steel plate of the stainless steel water eliminator in the left and right sides and bottom 90cm * 40cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin.This artificial composite filtering material bed course also can be the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute.
This artificial ecological wastewater treatment unit in expressway service areas, hand-stuff layer equal intervals and the parallel biofilm carrier soft-filler of in a row laying are further disclosed, this biofilm carrier soft-filler is imitative pasture and water plaited curtain type filler, current scour formed plentiful microbial film after 4 days on the biofilm carrier soft-filler in the time of water temperature 20-25 ℃; Described imitative pasture and water plaited curtain type filler is exactly the common imitative pasture and water plaited curtain type filler of selling in the market (for example, the imitative pasture and water plaited curtain type filler of Hebei Yin Suo Fabritex S.r.l sale).
Further, the left and right sides of described artificial ecological wastewater treatment unit in expressway service areas and bottom side are provided with 4 water vents.
Preferably, layer of plants is the submerged plant layer, is made of 12 clumps/square metre of eel grass, watermifoil, 18 clumps/square metre of hydrilla verticillatas.
In addition, the one-tenth stratiform unit total thickness of this artificial ecological wastewater treatment unit in expressway service areas is 50~110cm.
The invention also discloses the method that a kind of artificial ecological wastewater treatment unit in expressway service areas carries out sewage disposal, it is characterized in that technical process is:
The sewage centralized collection in foul water tank, is arrived treatment center of sewage, affiliated treatment center of sewage through discharge of pipes
Form by at least one above-mentioned artificial ecological wastewater treatment unit in expressway service areas, at least one group of filtering grid, at least one effluent treatment plant, plurality of rows waterpipe;
Wherein grid is made by stainless steel, and interception is in the water port of foul water tank, and the water shoot that the water port of foul water tank connects is made by the pvc pipe of water-impervious, and this water shoot one end connects foul water tank, and an end is placed on the grid ingress naturally; The exit of grid connects a joint pvc pipe, and the connection of the pvc pipe the other end enters into described artificial ecological wastewater treatment unit in expressway service areas, and this processing unit is by the small-sized water-purification plant of pipe connection;
(2) the one-level grid is handled
The network-like grid that utilizes stainless steel to make is removed bigger foreign material, suspended substance, human and animal excreta, the hair of particle, wherein the grid left and right sides is stainless steel water eliminator, bottom is the rectangle steel plate of 80cm * 30cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin;
(3) second-stage treatment
The water that is obtained by step (2) is by described artificial ecological wastewater treatment unit in expressway service areas, and a part is deposited to bottom, and anaerobic reaction takes place a part, and a part is absorbed by layer of plants, and a part flow into next stage by microbial film and handles; Sewage is handled the back through grid and is entered into described artificial ecological wastewater treatment unit in expressway service areas by pvc pipe, and this processing unit is by being discharged into small-sized water-purification plant after catchmenting;
(4) purifying treatment
Utilize common water-purifying apparatus to purify, purifying waste water of obtaining enters water collecting basin through 24 hours precipitation, add alkali reagent, guarantee that with the measurement of PH test paper the water ph value that obtains is at 7~8.5 o'clock, recycle a back part and be used for carwash, cleaning road surface, a part is used for watering green belt, and a part flows into rivers.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, and wherein artificial ecological wastewater treatment unit in expressway service areas is the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute by artificial composite filtering material bed course.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that in the left and right sides and the bottom side of described artificial ecological wastewater treatment unit in expressway service areas 4 water vents being set.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that described alkali reagent is a sodium bicarbonate.
Beneficial effect
Material of the present invention is industrial residue, river sand and soil etc., and expense is cheap, and can play the purpose of pollutent resource utilization simultaneously.Be not subjected to place restriction applied range and construction investment is few, overhead charges are little, easy to operate, manageable.It has higher clean dirt, pollution control ability, does not influence its water filtration again, provides effective technical means for rebuilding with the ecosystem that recovers river health.Can effectively remove organic pollution materials such as SS, COD, BOD5, can reach the effect of denitrogenation, dephosphorization simultaneously, contaminant removal capacity is strong.Material of the present invention is cheap industrial residue, river sand and soil etc., and not only cost is low, can utilize effectively again by pollutent simultaneously, can not cause secondary pollution, also plays the effect of beautifying the environment.In addition, applied widely, not limited by the place, not only can be used for high road service area, also can be used for the improvement of rivers, pond, sanitary sewage, trade effluent, construction investment is few, overhead charges are low, easy to operate.
Description of drawings
Fig. 1 sewage disposal schema
Fig. 2 stratiform modular construction of the present invention synoptic diagram
Another preferred embodiment synoptic diagram of Fig. 3 stratiform modular construction of the present invention
Another has the embodiment synoptic diagram of water vent Fig. 4 stratiform modular construction of the present invention
Fig. 5 grid synoptic diagram
The artificial composite filtering material bed course of 1-, 2-hand-stuff layer, 3-layer of plants, 4-biofilm carrier soft-filler,
The 5-water vent
Embodiment
Embodiment 1
A kind of artificial ecological wastewater treatment unit in expressway service areas, adopt the eco-concrete material to constitute the stratiform unit, from top to bottom be divided into layer of plants 3, hand-stuff layer 2 and artificial composite filtering material bed course 1, the artificial composite filtering material cushion thickness that it is characterized in that bottommost is 4cm, diameter is that rubble, building waste, slag and the clay particle of 1cm mixes, and the volume mixture ratio is 6: 2: 1: 1;
The hand-stuff layer is mixed by original soil and acute wood chip, and the volume mixture ratio is 6: 4, and thickness is 4cm; Layer of plants is made of Rush, 12 clumps/square metre of paspalum notatums, rye grass, 18 clumps/square metre of fragrant Pus.The voidage of the artificial composite filtering material bed course of wherein said artificial ecological wastewater treatment unit in expressway service areas is 15%, and coefficient of permeability is more than or equal to 1 * 10 -1Cm/s, pH value are 8; Described artificial ecological wastewater treatment unit in expressway service areas has the rectangle steel plate of the stainless steel water eliminator in the left and right sides and bottom 90cm * 40cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin.This artificial composite filtering material bed course also can be the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute.
Further, the left and right sides of described artificial ecological wastewater treatment unit in expressway service areas and bottom side are provided with 4 water vents.
Preferably, layer of plants also can be the submerged plant layer, is made of 12 clumps/square metre of eel grass, watermifoil, 18 clumps/square metre of hydrilla verticillatas.
In addition, the one-tenth stratiform unit total thickness of this artificial ecological wastewater treatment unit in expressway service areas is 50~110cm.
This technical scheme not only can keep normally moving throughout the year, can efficiently remove the inorganic eutrophication elements such as nitrogen phosphorus in the sewage, can effectively tackle all contaminations in the sewage, but also can increase substantially by the unit's of making wastewater purification efficiency.
Embodiment 2
A kind of artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that technical process is:
The sewage centralized collection in foul water tank, is arrived treatment center of sewage, affiliated treatment center of sewage through discharge of pipes
Form by at least one above-mentioned artificial ecological wastewater treatment unit in expressway service areas, at least one group of filtering grid, at least one effluent treatment plant, plurality of rows waterpipe;
Wherein grid is made by stainless steel, and interception is in the water port of foul water tank, and the water shoot that the water port of foul water tank connects is made by the pvc pipe of water-impervious, and this water shoot one end connects foul water tank, and an end is placed on the grid ingress naturally; The exit of grid connects a joint pvc pipe, and the connection of the pvc pipe the other end enters into described artificial ecological wastewater treatment unit in expressway service areas, and this processing unit is by the small-sized water-purification plant of pipe connection;
(2) the one-level grid is handled
The network-like grid that utilizes stainless steel to make is removed bigger foreign material, suspended substance, human and animal excreta, the hair of particle, the slag of discharging is made the methane-generating pit raw material, wherein the grid left and right sides is stainless steel water eliminator, bottom is the rectangle steel plate of 80cm * 30cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin;
(3) second-stage treatment
The water that is obtained by step (2) is by described artificial ecological wastewater treatment unit in expressway service areas, and a part is deposited to bottom, and anaerobic reaction takes place a part, and a part is absorbed by layer of plants, and a part flow into next stage by microbial film and handles; Sewage is handled the back through grid and is entered into described artificial ecological wastewater treatment unit in expressway service areas by pvc pipe, and this processing unit is by being discharged into small-sized water-purification plant after catchmenting;
(4) purifying treatment
Utilize common water-purifying apparatus to purify, purifying waste water of obtaining enters water collecting basin through 24 hours precipitation, add alkali reagent, guarantee that with the measurement of PH test paper the water ph value that obtains is at 7~8.5 o'clock, recycle a back part and be used for carwash, cleaning road surface, a part is used for watering green belt, and a part flows into rivers.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, and wherein artificial ecological wastewater treatment unit in expressway service areas is the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute by artificial composite filtering material bed course.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that in the left and right sides and the bottom side of described artificial ecological wastewater treatment unit in expressway service areas 4 water vents being set.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that described alkali reagent is a sodium bicarbonate.
This technology adapts to the characteristics that high road service area sewage quality change is big, the nitrogen and phosphorus pollution substrate concentration is high, reaches the standard of stably reaching standard, can increase substantially by the unit's of making wastewater purification efficiency.
Embodiment 3
A kind of artificial ecological wastewater treatment unit in expressway service areas, adopt the eco-concrete material to constitute the stratiform unit, from top to bottom be divided into submerged plant layer, hand-stuff layer and artificial composite filtering material bed course, the artificial composite filtering material cushion thickness that it is characterized in that bottommost is 6cm, diameter is that rubble, building waste, slag and the clay particle of 2cm mixes, and the volume mixture ratio is 6: 2: 1: 1; The hand-stuff layer is mixed by original soil and acute wood chip, and the volume mixture ratio is 6: 4, and thickness is 4cm; Layer of plants is made of Rush, 12 clumps/square metre of paspalum notatums, rye grass, 18 clumps/square metre of fragrant Pus.The voidage of the artificial composite filtering material bed course of wherein said artificial ecological wastewater treatment unit in expressway service areas is 18%, and coefficient of permeability is more than or equal to 1 * 10 -1Cm/s, pH value are 8.5; Described artificial ecological wastewater treatment unit in expressway service areas has the rectangle steel plate of the stainless steel water eliminator in the left and right sides and bottom 90cm * 40cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin.Hand-stuff layer equal intervals and the parallel biofilm carrier soft-filler of in a row laying, this biofilm carrier soft-filler is imitative pasture and water plaited curtain type filler, current scour formed plentiful microbial film after 3 days on the biofilm carrier soft-filler in the time of water temperature 20-25 ℃.
Further, the left and right sides of described artificial ecological wastewater treatment unit in expressway service areas and bottom side are provided with 4 water vents.
Preferably, layer of plants also can be the submerged plant layer, is made of 12 clumps/square metre of eel grass, watermifoil, 18 clumps/square metre of hydrilla verticillatas.
In addition, the one-tenth stratiform unit total thickness of this artificial ecological wastewater treatment unit in expressway service areas is 50~110cm.
This technical scheme not only can keep normally moving throughout the year, can efficiently remove the inorganic eutrophication elements such as nitrogen phosphorus in the sewage, can effectively tackle all contaminations in the sewage, but also can increase substantially by the unit's of making wastewater purification efficiency.
Embodiment 4
A kind of artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that technical process is:
The sewage centralized collection in foul water tank, is arrived treatment center of sewage, affiliated treatment center of sewage through discharge of pipes
Form by at least one above-mentioned artificial ecological wastewater treatment unit in expressway service areas, at least one group of filtering grid, at least one effluent treatment plant, plurality of rows waterpipe;
Wherein grid is made by stainless steel, and interception is in the water port of foul water tank, and the water shoot that the water port of foul water tank connects is made by the pvc pipe of water-impervious, and this water shoot one end connects foul water tank, and an end is placed on the grid ingress naturally; The exit of grid connects a joint pvc pipe, and the connection of the pvc pipe the other end enters into described artificial ecological wastewater treatment unit in expressway service areas, and this processing unit is by the small-sized water-purification plant of pipe connection;
(2) the one-level grid is handled
The network-like grid that utilizes stainless steel to make is removed bigger foreign material, suspended substance, human and animal excreta, the hair of particle, the slag of discharging is made the methane-generating pit raw material, wherein the grid left and right sides is stainless steel water eliminator, bottom is the rectangle steel plate of 80cm * 30cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin;
(3) second-stage treatment
The water that is obtained by step (2) is by described artificial ecological wastewater treatment unit in expressway service areas, and a part is deposited to bottom, and anaerobic reaction takes place a part, and a part is absorbed by layer of plants, and a part flow into next stage by microbial film and handles; Sewage is handled the back through grid and is entered into described artificial ecological wastewater treatment unit in expressway service areas by pvc pipe, and this processing unit is by being discharged into small-sized water-purification plant after catchmenting;
(4) purifying treatment
Utilize common water-purifying apparatus to purify, purifying waste water of obtaining enters water collecting basin through 24 hours precipitation, add alkali reagent, guarantee that with the measurement of PH test paper the water ph value that obtains is at 8.5 o'clock, recycle a back part and be used for carwash, cleaning road surface, a part is used for watering green belt, and a part flows into rivers.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, and wherein artificial ecological wastewater treatment unit in expressway service areas is the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute by artificial composite filtering material bed course.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that in the left and right sides and the bottom side of described artificial ecological wastewater treatment unit in expressway service areas 4 water vents being set.
Described artificial ecological wastewater treatment unit in expressway service areas carries out the method for sewage disposal, it is characterized in that described alkali reagent is a sodium bicarbonate.
Embodiment 5
A kind of artificial ecological wastewater treatment unit in expressway service areas, adopt the eco-concrete material to constitute the stratiform unit, from top to bottom be divided into submerged plant layer, hand-stuff layer and artificial composite filtering material bed course, the artificial composite filtering material cushion thickness that it is characterized in that bottommost is 8cm, diameter is that rubble, building waste, slag and the clay particle of 4cm mixes, and the volume mixture ratio is 6: 2: 1: 1;
The hand-stuff layer is mixed by original soil and acute wood chip, and the volume mixture ratio is 6: 4, and thickness is 4cm; Layer of plants is made of Rush, 12 clumps/square metre of paspalum notatums, rye grass, 18 clumps/square metre of fragrant Pus.The voidage of the artificial composite filtering material bed course of wherein said artificial ecological wastewater treatment unit in expressway service areas is 20%, and coefficient of permeability is more than or equal to 1 * 10 -1Cm/s, pH value are 9; Described artificial ecological wastewater treatment unit in expressway service areas has the rectangle steel plate of the stainless steel water eliminator in the left and right sides and bottom 90cm * 40cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin.This artificial composite filtering material bed course also can be the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute.
Further, the left and right sides of described artificial ecological wastewater treatment unit in expressway service areas and bottom side are provided with 4 water vents.
Preferably, layer of plants also can be the submerged plant layer, is made of 12 clumps/square metre of eel grass, watermifoil, 18 clumps/square metre of hydrilla verticillatas.
In addition, the one-tenth stratiform unit total thickness of this artificial ecological wastewater treatment unit in expressway service areas is 60~100cm.
This processing unit is simple in structure, low cost of manufacture, volume is little, working cost is low, not only can keep normally moving throughout the year, can efficiently remove the inorganic eutrophication elements such as nitrogen phosphorus in the sewage, can effectively tackle all contaminations in the sewage, but also can increase substantially by the unit's of making wastewater purification efficiency.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1, a kind of artificial ecological wastewater treatment unit in expressway service areas, adopt the eco-concrete material to constitute the stratiform unit, from top to bottom be divided into layer of plants, hand-stuff layer and artificial composite filtering material bed course, the artificial composite filtering material cushion thickness that it is characterized in that bottommost is 4-8cm, diameter is that rubble, building waste, slag and the clay particle of 1-4cm mixes, and the volume mixture ratio is 6: 2: 1: 1; The hand-stuff layer is mixed by original soil and acute wood chip, and the volume mixture ratio is 6: 4, and thickness is 4-6cm; Layer of plants is made of Rush, 12 clumps/square metre of paspalum notatums, rye grass, 18 clumps/square metre of fragrant Pus, and the voidage of described artificial composite filtering material bed course is 15% ~ 20%, and coefficient of permeability is 8 ~ 9 more than or equal to 1 * 10-1cm/s, pH value; Described artificial ecological wastewater treatment unit in expressway service areas has the rectangle steel plate of the stainless steel water eliminator in the left and right sides and bottom 90cm * 40cm, and this bottom adopts welding or pin to be connected with the stainless steel water eliminator in the left and right sides.
2, artificial ecological wastewater treatment unit in expressway service areas according to claim 1 is characterized in that artificial composite filtering material bed course is the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute.
3, artificial ecological wastewater treatment unit in expressway service areas according to claim 2, it is characterized in that hand-stuff layer equal intervals and the parallel biofilm carrier soft-filler of in a row laying, this biofilm carrier soft-filler is imitative pasture and water plaited curtain type filler, current scour formed plentiful microbial film after 4 days on the biofilm carrier soft-filler in the time of water temperature 20-25 ℃.
4, artificial ecological wastewater treatment unit in expressway service areas according to claim 3 is characterized in that in the left and right sides and the bottom side of described artificial ecological wastewater treatment unit in expressway service areas 4 water vents being set.
5, artificial ecological wastewater treatment unit in expressway service areas according to claim 4 is characterized in that layer of plants is the submerged plant layer, is made of 12 clumps/square metre of eel grass, watermifoil, 18 clumps/square metre of hydrilla verticillatas.
6, artificial ecological wastewater treatment unit in expressway service areas according to claim 5 is characterized in that described one-tenth stratiform unit total thickness is 50 ~ 110cm.
7, artificial ecological wastewater treatment unit in expressway service areas according to claim 1 carries out the method for sewage disposal, it is characterized in that technical process is:
(1) with the sewage centralized collection in foul water tank, to treatment center of sewage, described treatment center of sewage is made up of at least one above-mentioned artificial ecological wastewater treatment unit in expressway service areas, at least one group of filtering grid, at least one effluent treatment plant, plurality of rows waterpipe through discharge of pipes;
Wherein grid is made by stainless steel, and interception is in the water port of foul water tank, and the water shoot that the water port of foul water tank connects is made by the pvc pipe of water-impervious, and this water shoot one end connects foul water tank, and an end is placed on the grid ingress naturally; The exit of grid connects a joint pvc pipe, and the connection of the pvc pipe the other end enters into described artificial ecological wastewater treatment unit in expressway service areas, and this processing unit is by the small-sized water-purification plant of pipe connection;
(2) the one-level grid is handled
The network-like grid that utilizes stainless steel to make is removed bigger foreign material, suspended substance, human and animal excreta, the hair of particle, the slag of discharging is made the methane-generating pit raw material, wherein the grid left and right sides is stainless steel water eliminator, bottom is the rectangle steel plate of 80cm * 30cm, and this bottom is connected with stainless steel water eliminator welding in both sides or pin;
(3) second-stage treatment
The water that is obtained by step (2) passes through described artificial ecological wastewater treatment unit in expressway service areas, a part is deposited to bottom, anaerobic reaction takes place in a part, and a part is absorbed by layer of plants, and a part flow into the small-sized water-purification plant of next stage by microbial film by pvc pipe and handles;
(4) purifying treatment
Utilize common water-purifying apparatus to purify, purifying waste water of obtaining enters water collecting basin through 24 hours precipitation, add alkali reagent, guarantee that with the measurement of PH test paper the water ph value that obtains is at 7 ~ 8.5 o'clock, recycle a back part and be used for carwash, cleaning road surface, a part is used for watering green belt, and a part flows into rivers.
8, artificial ecological wastewater treatment unit in expressway service areas according to claim 7 carries out the method for sewage disposal, and wherein artificial ecological wastewater treatment unit in expressway service areas is the laminate structure that quartz sand layer, slag layer, zeolite layer and peat bed constitute by artificial composite filtering material bed course.
9, artificial ecological wastewater treatment unit in expressway service areas according to claim 7 carries out the method for sewage disposal, it is characterized in that in the left and right sides and the bottom side of described artificial ecological wastewater treatment unit in expressway service areas 4 water vents being set.
10, artificial ecological wastewater treatment unit in expressway service areas according to claim 7 carries out the method for sewage disposal, it is characterized in that described alkali reagent is a sodium bicarbonate.
CN2009101311929A 2009-04-07 2009-04-07 Artificial ecological wastewater treatment unit in expressway service areas CN101659501B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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CN103539264A (en) * 2012-07-16 2014-01-29 南京大学 River and lake water greening and purifying method and river and lake water greening and purifying device
CN104083945A (en) * 2014-05-22 2014-10-08 内蒙古大学 Zeolite ceramic prepared by utilizing coal gangue and construction waste and preparation technology thereof
CN106118685A (en) * 2016-08-19 2016-11-16 东南大学 A kind of concave herbaceous field improvement layer filler purified for road rain water water drainage

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CN2898003Y (en) * 2006-04-14 2007-05-09 山东大学 Landscape sewage ecological treating pool in residential estate

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CN103539264A (en) * 2012-07-16 2014-01-29 南京大学 River and lake water greening and purifying method and river and lake water greening and purifying device
CN103539264B (en) * 2012-07-16 2015-01-21 南京大学 River and lake water greening and purifying method and river and lake water greening and purifying device
CN103109655A (en) * 2012-12-11 2013-05-22 镇江山水湾生态农业开发有限公司 Submerged plant thrown seedling cultivating and planting method
CN104083945A (en) * 2014-05-22 2014-10-08 内蒙古大学 Zeolite ceramic prepared by utilizing coal gangue and construction waste and preparation technology thereof
CN104083945B (en) * 2014-05-22 2015-12-09 内蒙古大学 A kind of utilize gangue and building waste to prepare zeolite ceramsite and technology of preparing
CN106118685A (en) * 2016-08-19 2016-11-16 东南大学 A kind of concave herbaceous field improvement layer filler purified for road rain water water drainage

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