CN207537312U - A kind of domestic sewage processing system containing heavy metal - Google Patents

A kind of domestic sewage processing system containing heavy metal Download PDF

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Publication number
CN207537312U
CN207537312U CN201721524611.1U CN201721524611U CN207537312U CN 207537312 U CN207537312 U CN 207537312U CN 201721524611 U CN201721524611 U CN 201721524611U CN 207537312 U CN207537312 U CN 207537312U
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gravel
heavy metal
containing heavy
processing system
system containing
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梁亚楠
周林
武艳芳
刘磊
谢云军
梅雁
殷杰
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Wuhan Wenke Ecological Env Co Ltd
Wuhan Wenke Ecological Environment Co Ltd
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Wuhan Wenke Ecological Env Co Ltd
Wuhan Wenke Ecological Environment Co Ltd
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Abstract

The utility model is related to a kind of domestic sewage processing system containing heavy metal, including contact aerating oxidation area, filler reaction zone and Ecological Restoration Area between the gravel that is set gradually along water (flow) direction;Aerating oxidation area is contacted between the gravel filled with the porous gravel of grading, bottom is provided with aeration tube, and internal dispensing activated sludge;Multi-level deflector plate and renewable sorptive filler are provided in the filler reaction zone.The beneficial effects of the utility model are:By the way of the combination of physics biofacies, the sanitary sewage containing heavy metal is handled using contact aerating oxidation area and filler reaction zone between gravel, finally sets up perfect biological chain cycle, realizes the deep purifying of sewage;This sewage disposal system has the advantage of efficient, low consumption, environmental protection and sustainable processing, efficiently solves the problems, such as sewage purification, non-secondary pollution, and have both landscape effect.

Description

A kind of domestic sewage processing system containing heavy metal
Technical field
The utility model is related to environmental protection and technical field of sewage more particularly to a kind of life containing heavy metal are dirty Water treatment system.
Background technology
With the continuous development of economic society, urban sewage discharge total amount is continuously increased, and river and lake etc. are by serious Pollution, aqueous bio diversity destroyed, so as to make the ecosystem lose self―sustaining, self-control ability, finally Lead to being further exacerbated by for environmental problem.
Traditional sewage disposal technology has artificial changing water, chemical agent coagulating treatment and circulating purification outside processing etc., still, Its all there are it is different the drawbacks of;Such as:Artificial changing water needs manually to clean pond, and labor intensity is big, and wastes a large amount of Water resource;Chemical agent coagulating treatment not only needs coagulation mixing plant and the high coagulating sedimentation basin of construction cost, can also The sludge that a large amount of chemical coagulators are formed is generated, causes secondary pollution;Circulating purification outside processing needs to build outside pond various Sewage treatment facility, not only construction cost is high, but also operational process high energy consumption, operational management complexity.
Ecological reestablishment, which is primarily referred to as capacity of self-regulation by the ecosystem and organizational capacity, makes it to orderly Direction develops;Alternatively, using the self-recovery ability of the ecosystem, it is aided with artificial measures, makes the ecosystem destroyed System gradually restores or the ecosystem is made to develop in terms of benign cycle;Compared to conventional processing technique, with investment-operation into Advantages, the methods of generally use artificial swamp such as this low, persistent high efficiency and maintenance cost are low are handled.However, when water inlet is dirty Dye object load more than artificial swamp receive dirty total capacity when, the ecosystem inside artificial swamp can be led by serious destruction Bio-diversity is caused to reduce, treatment effect is deteriorated.
Utility model content
The utility model aim is to provide a kind of domestic sewage processing system containing heavy metal, solves to exist in the prior art The above problem.
The technical solution that the utility model solves above-mentioned technical problem is as follows:
A kind of domestic sewage processing system containing heavy metal, including contact aeration oxygen between the gravel that is set gradually along water (flow) direction Change area, filler reaction zone and Ecological Restoration Area;Aerating oxidation area is contacted between the gravel filled with the porous gravel of grading, bottom setting There are aeration tube, and internal dispensing activated sludge;Multi-level deflector plate is provided in the filler reaction zone and renewable adsorptivity is filled out Material.
Based on the above technical solution, the utility model can also do following improvement.
Further, the material of the porous gravel of the grading be volcanic rock, the value model of the grain size of the porous gravel of grading It encloses for 30mm to 110mm.
Further, the activated sludge is dirty for city domestic sewage treatment plant AAO oxidation ditch process oxidation ditches end active Mud.
Further, the renewable sorptive filler is modified loofah sponge.
Further, the preparation flow of the modified loofah sponge includes the following steps:
Step A1 uses solubility to treat modified loofah sponge progress alkali for 30% KOH solution and changes;
Step A2 cleans the luffa to be modified to neutrality using deionized water;
Step A3 is modified the luffa to be modified using triethylamine;
Step A4 is washed, filtered and is dried to the luffa to be modified successively, the modified sponge gourd is made Network.
Further, water plant and fish bivalves aquatic animal are equipped in the Ecological Restoration Area.
Further, the water plant includes watermifoil, reed, cattail, rush, Lythrum salicaria, again canna glauca, power Three kinds or more in colored, evergreen iris, yellow flag, copper coin grass, lotus, and submerged plant, emergent aquactic plant, floatingleaved plant It is collocated with each other plantation;The fish bivalves aquatic animal is included in bighead, grass carp, mandarin fish, black carp, spiral shell, freshwater mussel, Corbicula fluminea, shrimp, water earthworm Four or more, and a vegetarian animal is combined with carnivority animal, and fish are combined with bivalves.
Further, aerating oxidation area water outlet is contacted between the gravel and is set on bottom, and with the bottom of the filler reaction zone Water inlet is connected, and the filler reaction zone water outlet is set on top, and is connected with the top water inlet of the Ecological Restoration Area.
Further, the value range that the hydraulic detention time in aerating oxidation area is contacted between the gravel is 2h to 4h;The exposure The operating mode of tracheae be intermittent aerating pattern, and the spring, the summer, the autumn, the four seasons in winter stop expose than be respectively 3:1、1:1、3:1、1:3.
The beneficial effects of the utility model are:
(1) water enters contact aerating oxidation area between gravel, through contacting micro- life in activated sludge inside aerating oxidation area between gravel The oxidation of object flora and section filtering, precipitation, remove the BOD in water5(five-day BOD), NH4 +- N (ammonia Nitrogen) and SS (solid suspension);
(2) aerating oxidation area is contacted between gravel and is discharged filler reaction zone of entering, renewable adsorptivity is filled out in filler reaction zone Cu in water removal is removed in the suction-operated of material2+、Fe3+、Zn2+Etc. heavy metal ion;
(3) filler reaction zone water outlet enters Ecological Restoration Area, through Ecological Restoration Area water plant and fish bivalves aquatic animal Deep purifying, can remove water in most of polluter, water outlet reach III class standard of landscape water body;
In a manner that physics-biofacies combines, using contact aerating oxidation area between gravel and filler reaction zone to containing a huge sum of money The sanitary sewage of category is handled, and finally sets up perfect biological chain cycle, realizes the deep purifying of sewage;This sewage disposal system System with efficiently, low consumption, environmental protection and sustainable processing advantage, efficiently solve the problems, such as sewage purification, non-secondary pollution, and simultaneous Has landscape effect.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the domestic sewage processing system containing heavy metal of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1st, aerating oxidation area is contacted between gravel, 11, aeration tube, 12, the porous gravel of grading, 13, air blower, 2, filler reaction Area, 21, renewable sorptive filler, 22, Multi-level deflector plate, 3, Ecological Restoration Area, 31, water plant, 32, fish bivalves it is aquatic dynamic Object.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, for the domestic sewage processing system containing heavy metal a kind of described in the utility model embodiment 1, including Aerating oxidation area 1, filler reaction zone 2 and Ecological Restoration Area 3 are contacted between the gravel set gradually along water (flow) direction;It is contacted between the gravel Aerating oxidation area 1 is filled with the porous gravel 12 of grading, and bottom is provided with aeration tube 11, and internal dispensing activated sludge;It is described to fill out Multi-level deflector plate 22 and renewable sorptive filler 21 are provided in material reaction zone 2.Multi-level deflector plate 22 is effectively increased waterpower and stops The time is stayed, and then increases the adsorption effect of renewable sorptive filler 21.
Contact aerating oxidation area 1 and filler reaction zone 2 between the front end of Ecological Restoration Area setting gravel;Contact aeration oxygen between gravel Change area 1 filled with the porous gravel 12 of grading, bottom is provided with aeration tube 11, and it is internal launch activated sludge, in activated sludge Microorganism can adhere to porous 12 surface of gravel of grading, form one layer of biomembrane, under aeration effect, realize to being polluted in sewage The removal of object;Renewable sorptive filler 21 is filled in filler reaction zone 2, using renewable sorptive filler 21 to a huge sum of money Belong to the suction-operated with pollutant, realize the purification to sewage;By contacting aerating oxidation area 1 and filler reaction zone 2 between gravel Two-stage treatment makes wastewater pollutants load the receiving in dirty total capacity in Ecological Restoration Area 3 of inflow Ecological Restoration Area 3, utilizes Amole and animal in Ecological Restoration Area 3 etc. carry out purified treatment to sewage;This sewage disposal system has efficient, low The advantage of consumption, environmental protection and sustainable processing efficiently solves the problems, such as the ecological purification of sewage, non-secondary pollution, and has both landscape Effect.
A kind of domestic sewage processing system containing heavy metal described in the utility model embodiment 2, on the basis of embodiment 1 On, the renewable sorptive filler 21 is modified loofah sponge.Luffa is a kind of natural bio-carrier, to microorganism without appoint What toxic action;After being modified to it, its adsorption capacity to heavy metal and N, P is enhanced;And to reaching certain adsorbance Modified loofah sponge carry out renewable processing, such as:Solubility is used to impregnate this for 0.1% HCl solution every half a year and be modified silk Melon network 6h, then it is washed, filter and is dried, it can effectively restore its adsorptivity, be used so as to fulfill regeneration cycle, there is ring It protects, the efficient and sustainable advantage used.
A kind of domestic sewage processing system containing heavy metal described in the utility model embodiment 3, on the basis of embodiment 2 On, the preparation flow of the modified loofah sponge includes the following steps:
Step A1 uses solubility to treat modified loofah sponge progress alkali for 30% KOH solution and changes;
Step A2 cleans the luffa to be modified to neutrality using deionized water;
Step A3 is modified the luffa to be modified using triethylamine;
Step A4 is washed, filtered and is dried to the luffa to be modified successively, the modified sponge gourd is made Network.
A kind of domestic sewage processing system containing heavy metal, any in embodiment 1 to 3 described in the utility model embodiment 4 On the basis of embodiment, the activated sludge is dirty for city domestic sewage treatment plant AAO oxidation ditch process oxidation ditches end active Mud has ripe microorganism species, pollutant that can effectively in purifying water body, and clean effect is good.
A kind of domestic sewage processing system containing heavy metal, any in embodiment 1 to 4 described in the utility model embodiment 5 On the basis of embodiment, the material of the porous gravel 12 of grading is volcanic rock, and the porous gravel of grading comes into full contact with sewage, no It can only adsorb, the pollutant in filter sewage, additionally it is possible to play micro- exposure oxygen-supplying function, further enhance to dirty water pollutant Removal ability.The value range of the grain size of the porous gravel 12 of grading is 30mm to 110mm, and larger specific surface area can increase Add the contact surface with sewage, increase the attachment surface of microorganism, enhance the removal ability to dirty water pollutant.
A kind of domestic sewage processing system containing heavy metal, any in embodiment 1 to 5 described in the utility model embodiment 6 On the basis of embodiment, water plant 31 and fish bivalves aquatic animal 32 are equipped in the Ecological Restoration Area 3.
A kind of domestic sewage processing system containing heavy metal described in the utility model embodiment 7, on the basis of embodiment 6 On, the water plant 31 includes watermifoil, reed, cattail, rush, Lythrum salicaria, canna glauca, thaliadeabata, evergreen kite Three kinds or more in tail, yellow flag, copper coin grass, lotus, and submerged plant, emergent aquactic plant, floatingleaved plant are collocated with each other Plantation, such as:Including watermifoil, reed, Lythrum salicaria, canna glauca and lotus, detergent power is improved;The fish bivalves is aquatic Animal 32 includes four or more in bighead, grass carp, mandarin fish, black carp, spiral shell, freshwater mussel, Corbicula fluminea, shrimp, water earthworm, and eats grass Animal is combined with carnivority animal, and fish are combined with bivalves, it may for example comprise grass carp, mandarin fish, spiral shell, Corbicula fluminea and water earthworm, it is real It now mutually restricts, forms complete food chain, maintain the normal operation of ecological circulation.
A kind of domestic sewage processing system containing heavy metal, any in embodiment 1 to 7 described in the utility model embodiment 8 On the basis of embodiment, the bottom that aerating oxidation area 1 is contacted between the gravel connects setting with the bottom of the filler reaction zone 2, The top of the filler reaction zone 2 connects setting with the top of the Ecological Restoration Area 3, makes to contact aerating oxidation area 1 between gravel Water outlet enters filler reaction zone 2 from bottom, and the water outlet of filler reaction zone 2 enters Ecological Restoration Area 3 from top, forms baffling, increases Add hydraulic detention time, and then enhance the removal ability to dirty water pollutant.
A kind of domestic sewage processing system containing heavy metal, any in embodiment 1 to 8 described in the utility model embodiment 9 On the basis of embodiment, treatment sewage flow velocity is controlled, it is made to contact the hydraulic detention time in aerating oxidation area 1 between the gravel Value range be 2h to 4h;And the treatment sewage is made to flow into contact aerating oxidation area 1, filler reaction between the gravel successively Area 2 and Ecological Restoration Area 3;The operating mode of the aeration tube 11 is intermittent aerating pattern, and spring, summer, autumn, the four seasons in winter stop exposing Than being respectively 3:1、1:1、3:1、1:3.
Treatment sewage flow velocity is rationally adjusted, it is made to contact the value of the hydraulic detention time in aerating oxidation area 1 between gravel The removal to dirty water pollutant is effectively ensured in ranging from 2h to 4h.And use intermittent aerating pattern, formed it is aerobic with anoxic or Anaerobic environment contributes to the removal to N, P in sewage;And stop exposing ratio according to seasonal variations adjustment, it is effectively ensured in removal sewage While pollutant, aeration energy consumption is reduced, it is energy saving.
The best embodiment of the utility model:
Sewage disposal system:
It is contacted between gravel and volcanic rock material is filled in aerating oxidation area 1, the grade that grain size value range is 30mm to 110mm With porous gravel, oxidation ditch end active sludge in city domestic sewage treatment plant AAO oxidation ditch process, and bottom are launched in inside It is provided with aeration tube 11,11 external air blower 13 of aeration tube;Aeration tube 11 is set to the bottom in contact aerating oxidation area 1 between gravel, Contribute to the percussion using bubble caused by aeration tube 11, sludge extra in aerating oxidation area 1 is contacted between cleaning gravel.
Multi-level deflector plate 22 and modified loofah sponge, and the preparation flow packet of this modified loofah sponge are equipped in filler reaction zone 2 Include following steps:
Step A1 uses solubility to treat modified loofah sponge progress alkali for 30% KOH solution and changes;
Step A2 cleans the luffa to be modified to neutrality using deionized water;
Step A3 is modified the luffa to be modified using triethylamine;
Step A4 is washed, filtered and is dried to the luffa to be modified successively, the modified sponge gourd is made Network.
Water plant 31 and fish bivalves aquatic animal 32 are equipped in Ecological Restoration Area 3;The water plant 31 includes fox-brush In algae, reed, cattail, rush, Lythrum salicaria, canna glauca, thaliadeabata, evergreen iris, yellow flag, copper coin grass, lotus Three kinds or more, and submerged plant, emergent aquactic plant, floatingleaved plant are collocated with each other plantation;The fish bivalves aquatic animal 32 Including four or more in bighead, grass carp, mandarin fish, black carp, spiral shell, freshwater mussel, Corbicula fluminea, shrimp, water earthworm, and a vegetarian animal with Carnivority animal is combined, and fish are combined with bivalves.
The bottom that aerating oxidation area 1 is contacted between the gravel connects setting, the filler with the bottom of the filler reaction zone 2 The top of reaction zone 2 connects setting with the top of the Ecological Restoration Area 3.
Sewage disposal process:
Treatment sewage flow velocity is adjusted, it is made to contact the value of the hydraulic detention time in aerating oxidation area 1 between the gravel Ranging from 2h to 4h;And the treatment sewage is made to flow into contact aerating oxidation area 1,2 and of filler reaction zone between the gravel successively Ecological Restoration Area 3.The operating mode of the aeration tube 11 be intermittent aerating pattern, and the spring, the summer, the autumn, the four seasons in winter stop expose score It Wei 3:1、1:1、3:1、1:3.
Solubility is used to impregnate this modified loofah sponge 6h for 0.1% HCl solution every half a year, then it is washed, filter and It is reused after drying, effectively restores its adsorptivity.Aerating oxidation area 1 is contacted between gravel every half a year to clear up, and avoids living Property sludge in microbial reproduction and growth contact aerating oxidation area 1 between gravel is caused to block.Periodically to the aquatic plant of Ecological Restoration Area 3 Object 31 and fish bivalves aquatic animal 32 are cleared up, and are avoided quantity excessive, are destroyed complete food chain, are influencing ecological circulation just Often operation.
This most preferred embodiment, sewage enters contact aerating oxidation area 1 between gravel, through contacting activity in aerating oxidation area 1 between gravel Filtering and the precipitation in aerating oxidation area 1 are contacted between the oxidation and gravel of microorganism species in sludge, can remove sewage In about 65% BOD5(five-day BOD), about 65% NH4 + -(solid suspends by N (ammonia nitrogen) and about 80% SS Object);Sewage enters filler reaction zone 2 from the bottom that aerating oxidation area 1 is contacted between gravel, through the modification sponge gourd in filler reaction zone 2 The suction-operated of network can remove Cu in sewage2+、Fe3+、Zn2+Etc. heavy metal ion;Sewage again from the top of filler reaction zone 2 into Enter Ecological Restoration Area 3, the deep purifying through the water plant 31 in Ecological Restoration Area 3 and fish bivalves aquatic animal 32 can remove Most of pollutant in sewage is discharged up to III class standard of landscape water body.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of domestic sewage processing system containing heavy metal, which is characterized in that including between the gravel that is set gradually along water (flow) direction Contact aeration zoneofoxidation (1), filler reaction zone (2) and Ecological Restoration Area (3);Aerating oxidation area (1) filling is contacted between the gravel There is the porous gravel of grading (12), bottom is provided with aeration tube (11), and internal dispensing activated sludge;The filler reaction zone (2) Inside it is provided with Multi-level deflector plate (22) and renewable sorptive filler (21).
2. a kind of domestic sewage processing system containing heavy metal according to claim 1, which is characterized in that the grading is porous The material of gravel (12) is volcanic rock, and the value range of the grain size of the porous gravel of grading (12) is 30mm to 110mm.
A kind of 3. domestic sewage processing system containing heavy metal according to claim 1, which is characterized in that the activated sludge For city sewage plant AAO oxidation ditch process oxidation ditch end active sludge.
A kind of 4. domestic sewage processing system containing heavy metal according to claim 1, which is characterized in that the renewable suction Attached property filler (21) is modified loofah sponge.
A kind of 5. domestic sewage processing system containing heavy metal according to claim 4, which is characterized in that the modified sponge gourd The preparation flow of network includes the following steps:
Step A1 uses solubility to treat modified loofah sponge progress alkali for 30% KOH solution and changes;
Step A2 cleans the luffa to be modified to neutrality using deionized water;
Step A3 is modified the luffa to be modified using triethylamine;
Step A4 is washed, filtered and is dried to the luffa to be modified successively, the modified loofah sponge is made.
A kind of 6. domestic sewage processing system containing heavy metal according to claim 1, which is characterized in that the restoration of the ecosystem Water plant (31) and fish bivalves aquatic animal (32) are equipped in area (3).
A kind of 7. domestic sewage processing system containing heavy metal according to claim 6, which is characterized in that the water plant (31) including watermifoil, reed, cattail, rush, Lythrum salicaria, canna glauca, thaliadeabata, evergreen iris, yellow flag, copper coin Three kinds or more in grass, lotus, and submerged plant, emergent aquactic plant, floatingleaved plant are collocated with each other plantation;The fish bivalves Aquatic animal (32) includes four or more in bighead, grass carp, mandarin fish, black carp, spiral shell, freshwater mussel, Corbicula fluminea, shrimp, water earthworm, and A vegetarian animal is combined with carnivority animal, and fish are combined with bivalves.
8. according to a kind of any domestic sewage processing system containing heavy metal of claim 1 to 7, which is characterized in that described Aerating oxidation area (1) water outlet is contacted between gravel and is set on bottom, and be connected with the bottom water inlet of the filler reaction zone (2), institute Filler reaction zone (2) water outlet is stated set on top, and is connected with the top water inlet of the Ecological Restoration Area (3).
9. a kind of domestic sewage processing system containing heavy metal according to claim 1, which is characterized in that the gravel is indirect The value range for touching the hydraulic detention time of aerating oxidation area (1) is 2h to 4h;Between the operating mode of the aeration tube (11) is It has a rest aeration pattern, and spring, summer, autumn, the four seasons in winter stop exposing than being respectively 3:1、1:1、3:1、1:3.
CN201721524611.1U 2017-11-15 2017-11-15 A kind of domestic sewage processing system containing heavy metal Active CN207537312U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107759022A (en) * 2017-11-15 2018-03-06 武汉文科生态环境有限公司 A kind of domestic sewage processing system containing heavy metal
CN108867541A (en) * 2018-06-28 2018-11-23 福建闽泰交通工程有限公司 A kind of black smelly river body ecology synthesis repairing and treating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107759022A (en) * 2017-11-15 2018-03-06 武汉文科生态环境有限公司 A kind of domestic sewage processing system containing heavy metal
CN108867541A (en) * 2018-06-28 2018-11-23 福建闽泰交通工程有限公司 A kind of black smelly river body ecology synthesis repairing and treating system

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