CN103130378B - System for treating household garbage leachate - Google Patents

System for treating household garbage leachate Download PDF

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CN103130378B
CN103130378B CN201110388233.XA CN201110388233A CN103130378B CN 103130378 B CN103130378 B CN 103130378B CN 201110388233 A CN201110388233 A CN 201110388233A CN 103130378 B CN103130378 B CN 103130378B
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liquid
pipeline
outlet
connect
liquid outlet
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CN103130378A (en
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马志文
王庚平
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Shanxi Chaoyang Environmental Engineering Design Co ltd
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SHANXI CHAOYANG MUNICIPAL ENGINEERING Co Ltd
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Abstract

The invention discloses a system for treating household garbage leachate, belongs to the environmental protection technical field, and relates to a technology for treating the household garbage lechate. The system for treating the household garbage leachate aims at reducing equipment investment and operating cost of the system for treating the household garbage leachate. The system for treating the household garbage leachate comprises a garbage leachate tank (1), a barrier (2), an aeration tank (4), a desilter (5), a sludge tank (6), a filtering tank (8), a reverse osmosis membrane treating tank (9), and a clean water tank (10). The system for treating the household garbage leachate is characterized in that a causticizing tank (3) is arranged between the barrier (2) and the aeration tank (4), the treating tanks are constructed by concrete, a former process tank is 0-0.6 meter higher than a later process tank, liquid flows naturally from the former process tank to the later process tank, machine-driven flow is replaced by natural flow, and therefore operating cost is decreased by around 50% compared with a traditional process. The system for treating the household garbage leachate is simple in structure.

Description

One way of life garbage percolation liquid treating system
Technical field
The invention belongs to environmental technology field.Relate to a kind of technology that consumer waste infiltration liquid is processed.
Background technology
At present, raising along with expanding economy and people's level of consumption, domestic waste increasing year by year, the sanitary landfill of its domestic refuse is one of common both at home and abroad treatment process, but, domestic waste, when sanitary landfill, due to the infiltration of the moisture carrying in rubbish and surface precipitation, makes garbage loading embeading factory produce a large amount of percolates.In this percolate, pollutant kind is many, has multiple hazardous and noxious substances and hardly degraded organic substance.Part Pollutant levels are very high, and change along with the different periods after season in year and landfill, thereby intractability is very large.Since country in 2006 promulgates percolate emission standard new, as strict as possible, traditional treatment process is just difficult to accomplish qualified discharge, thereby the part that comes with some shortcomings, and its weak point is: during qualified discharge, facility investment is large, and working cost is high.
Summary of the invention
Task of the present invention is to provide one way of life garbage percolation liquid treating system, can reduce facility investment, and reduces the working cost of system.
Technical scheme of the present invention is as follows:
One way of life garbage percolation liquid treating system, 1, one way of life garbage percolation liquid treating system, include garbage filter liquid pool 1, barrier 2, aeration tank 4, settling tank 5, sludge sump 6, filtering basin 8, reverse osmosis membrane processing pond 9, clean water basin 10, and, between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2, with pipeline a101, connect, between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5, with pipeline d104, connect, between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6, with pipeline e105, connect, between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8, with pipeline f106, connect, between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9, with pipeline g107, connect, between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10, with pipeline h108, connect, and, between sludge sump 6 and aeration tank 4, be provided with sludge return pipe c103, its feature is:
Between barrier 2 and aeration tank 4, be provided with causticization pond 3, barrier 2 is arranged at the position, front upper place in causticization pond 3, between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4, with pipeline b102, connects;
Meanwhile, the position of garbage filter liquid pool 1 is higher than the position of barrier 2, and the pipeline a101 arranging between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2 is for tilting to connect; The position at place, the upper liquid inlet of its pipeline a101 is higher than the position of liquid outlet;
Meanwhile, the position in causticization pond 3 is higher than the position of aeration tank 4, and the pipeline b102 arranging between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4 is for tilting to connect, and the position that its pipeline b102 locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position of aeration tank 4 is higher than the position of settling tank 5, and the pipeline d104 arranging between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5 is for tilting to connect, and the position that its pipeline d104 locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position of settling tank 5 is higher than the position of sludge sump 6, and the pipeline e105 arranging between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6 is for tilting to connect, and its pipeline e105 goes up the position of mud ingress higher than the position at sludge outlet place;
Meanwhile, the position of settling tank 5 is higher than the position of filtering basin 8, and the pipeline f106 arranging between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8 is for tilting to connect, and the position that its pipeline f106 locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position of filtering basin 8 is higher than the position in reverse osmosis membrane processing pond 9,
The pipeline g107 arranging between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9 is for tilting to connect, and the position that its pipeline g107 locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position in reverse osmosis membrane processing pond 9 is higher than the position of clean water basin 10,
The pipeline h108 arranging between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10 is for tilting to connect, and the position that its pipeline h108 locates upper liquid inlet is higher than the position of liquid outlet.
And, according to the needs of production run, the position at pipeline a101, the pipeline b102 that described inclination connects, pipeline d104, pipeline f106, pipeline g107, pipeline h108, place, upper liquid inlet for being greater than 0-0.6 rice, is generally selected 0.5 meter higher than the position of liquid outlet.
Meanwhile, according to the needs of production run, on the pipeline e105 that described inclination connects, the position of mud ingress, higher than the position at sludge outlet place for being greater than 0-0.6 rice, is generally selected 0.5 meter.
And, simultaneously, convenience for safe operation and production scheduling and repair apparatus, on the pipeline a101 that also can connect in described inclination, liquid shut off valve a201 is set, on the pipeline b102 connecting in described inclination, be provided with liquid shut off valve b202, on the pipeline d104 connecting in described inclination, be provided with liquid shut off valve d204, on the pipeline f106 connecting in described inclination, be provided with liquid shut off valve f206, on the pipeline g107 that described inclination connects, be provided with liquid shut off valve g207, on the pipeline h108 connecting in described inclination, be provided with liquid outlet valve h208; On the pipeline c103 connecting in described inclination, be provided with mud shut off valve c203.On the pipeline e105 connecting in described inclination, be provided with mud shut off valve e205.
According to production-scale size, one way of life garbage percolation liquid treating system, can also set up operational outfit settling tank 7, the position of its settling tank 7 is identical with the height of settling tank 5, simultaneously, between the liquid outlet of aeration tank 4 and the liquid influx of settling tank 7, with pipeline s109, tilt to connect, the position at place, the upper liquid inlet of its pipeline s109 is higher than the position of liquid outlet;
Meanwhile, between the mud relief outlet of settling tank 7 and the sludge stream entrance of sludge sump 6, with pipeline m110, tilt to connect, the position of the upper mud of its tilted tube m110 ingress is higher than the position at sludge outlet place;
Meanwhile, between the liquid outlet of settling tank 7 and the liquid influx of filtering basin 8, with pipeline w111, tilt to connect, the position at place, the upper liquid inlet of its tilted tube w111 is higher than the position of liquid outlet;
When native system need to increase operational outfit settling tank 7, on the pipeline s109 that also can connect in described inclination, be provided with liquid shut off valve s209, simultaneously, on the pipeline w111 connecting in described inclination, be provided with liquid shut off valve w211, on the pipeline m110 connecting in described inclination, be provided with mud shut off valve m210.
According to the needs of production run, on described tilted tube s109, pipeline w111, the position at place, liquid inlet, higher than the position of liquid outlet for being greater than 0-0.6 rice, is generally 0.5 meter.Meanwhile, on the pipeline m110 that described inclination connects, the position of mud ingress, higher than the position at sludge outlet place for being greater than 0-0.6 rice, is generally 0.5 meter.
One way of life garbage percolation liquid treating system of the present invention, plant building can be set, by its all devices: garbage filter liquid pool 1, barrier 2, causticization pond 3, aeration tank 4, settling tank 5 and 7, sludge sump 6, filtering basin 8, reverse osmosis membrane processing pond 9, clean water basin 10 are arranged in plant building, meanwhile, can closed cover be set at the top of each equipment.
The total gate valve of the liquid that dams is set meanwhile, on the pipeline connecting with percolate influx of described garbage filter liquid pool 1; On the vent pipe of clean water basin 10, shut off valve is set.
In technique scheme of the present invention,
Barrier 2, the bulk matter that can dam in percolate, as: branch, stone, plastics bag etc., prevent that it from entering subsequent disposal link.
Calcium hydroxide is thrown in causticization pond 3 in its pond, and it act as: destroy chain rupture 1..Hardly degraded organic substance molecular chain in sewage is destroyed, be convenient to subsequent disposal, change difficult degradation is degradable; 2. sterilization.After the biological bacteria savings of all kinds of rubbish bands, can have influence on the follow-up effect with biological bacteria treating refuse, these complicated floras are killed, be conducive to cultivation and the breeding of probiotics in subsequent technique; 3. make organonitrogen carry out ammonification, for subsequent reactions is prepared; 4. improve the pH value of water, increase the coagulation effect of coagulating agent; 5. remove water-borne glue body material, improve de-salted water water quality; 6. water conditioner and the abundant hybrid reaction of sewage such as calcium hydroxide and polymerize aluminum chloride, polyacrylamide, dephosphorization and remove suspended substance.
The medicine machine of throwing in causticization coagulated agent is housed on causticization pond 3, in pond, is provided with aerating apparatus, play agitaion, make that medicament and water are full and uniform to be contacted.
Water after process in this pond can be removed COD cr, BOD 5about 40%-50%, NH 3the about 40%-50% of-N, and cleared away obstacle for subsequent disposal.
Aeration tank 4, Main Function is: 1. increased the dissolved oxygen of processing water, aerobic bacteria can have been bred in suitable temperature and oxygen environment, the organic pollutant in Decomposition Wastewater, and percolate middle and high concentration free ammonia is overflowed from water, to reduce the ammonia nitrogen concentration in sewage; Separation the ferrous iron in aeration tank, manganese etc., make arsenic etc. that co-precipitation occurs simultaneously.In pond, be provided with many row's aeration heads, by gas blower, air blasted, to increase the dissolved oxygen in water, be convenient to aerobe bacterium and breed and absorb degradation of contaminant.
Through processing, effectively reduced the BOD in percolate, COD and ammonia nitrogen, can also remove the metals such as iron, manganese, made water quality generation remarkable improvement simultaneously.
Water after process in this pond can be removed COD cr, BOD 5about 46%-54%, NH 3the about 70%-80% of-N, Te 2+about 55%-65%.
Settling tank 5 and 7, mainly utilizes precipitating action, makes clear water separated with the flocs unit of the 4 interior formation in aeration tank.At its settling tank, throw in discoloring agent, charge neutrality and the organic macromolecule bridging action of performance inorganic flocculating agent, the pollutent that leading portion operation is not yet flocculated flocculates again, makes flocs unit large and closely knit, and shear resistant is good, accelerates settling velocity.In addition, in discoloring agent, contain efficient sterilizing composition, can effectively kill dewater middle bacterium and other microorganism.
In settling tank 5 and 7, be provided with mud scraper.Settling tank 5 and 7 is circular, is convenient to be the operation of spoke stream shape into water, is also convenient to mud scraper scraper plate and moves at pond inner bottom part around the center of circle.Its clear water liquid outlet that to be supernatant liquor arrange through the top of settling tank 5 and 7 is to filtering basin 8, and its throw out is that the liquid outlet that arranges through the bottom of settling tank 5 and 7 of mud is to sludge sump 6.
In its sludge sump 6, be provided with slush pump, partly precipitated thing, with the mud of biological bacteria, is back to the interior continuation cycle operation in aeration tank 4 by pipeline c103.
Filtering basin 8, be supernatant liquor after spoke stream precipitation is entered there is filtration, adsorbing multiple material, pollutent residual in water is carried out to Filtration Adsorption, water quality is further improved, reach national secondary discharge standard.
Reverse osmosis membrane processing pond 9, is conventional depth treatment process, because leading portion operation water quality treatment is better, then adopts reverse osmosis membrane processing technique to carry out advanced treatment, can make water quality further improve, and reaches or is better than national grade one discharge standard.
In technique scheme, each is processed pool volume and determines by the amount for the treatment of refuse percolate.Each treating pond is constructed with concrete, and its last operation pond exceeds and is greater than 0-0.6 rice than a rear operation pond, and liquid is an operation pond natural flow backward from last operation pond, with stream naturally, replaces machinery to promote stream, makes working cost reduce by 50% left and right than traditional technology.
Beneficial effect of the present invention is as follows: owing to using technique scheme, realized while making its qualified discharge, can reduce facility investment, and reduced the technique effect of the working cost of system, the present invention is simple in structure.
Accompanying drawing explanation
Fig. 1 is the system architecture floor map of first embodiment of the invention.
Fig. 2 is the A-A view in Fig. 1.
Fig. 3 is the C-C view in Fig. 1.
Fig. 4 is the B-B view in Fig. 1.
Fig. 5 is the system architecture floor map of second embodiment of the invention.
Fig. 6 is the A in Fig. 5 and Fig. 9 1-A 1view.
Fig. 7 is the C in Fig. 5 1-C 1view.
Fig. 8 is the B in Fig. 5 1-B 1view.
Fig. 9 is the system architecture floor map of third embodiment of the invention.
Figure 10 is the C in Fig. 9 2-C 2view.
Figure 11 is the B in Fig. 9 2-B 2view.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
In first embodiment shown in Fig. 1 Fig. 2 Fig. 3 Fig. 4, one way of life garbage percolation liquid treating system, include garbage filter liquid pool 1, barrier 2, aeration tank 4, settling tank 5, sludge sump 6, filtering basin 8, reverse osmosis membrane processing pond 9, clean water basin 10, between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2, with pipeline a101, connect, between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5, with pipeline d104, connect, between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6, with pipeline e105, connect, between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8, with pipeline f106, connect, between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9, with pipeline g107, connect, between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10, with pipeline h108, connect, and, between sludge sump 6 and aeration tank 4, be provided with sludge return pipe c103, its feature is:
Between barrier 2 and aeration tank 4, be provided with causticization pond 3, barrier 2 is arranged at the position, front upper place in causticization pond 3, between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4, with pipeline b102, connects;
Meanwhile, the position of garbage filter liquid pool 1 is higher than 0.4 meter of the position of barrier 2.
The pipeline a101 arranging between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2 is for tilting to connect; The position at place, the upper liquid inlet of its pipeline a101 is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, the position in causticization pond 3 is higher than 0.4 meter of the position of aeration tank 4.
The pipeline b102 arranging between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4 is for tilting to connect, and the position that its pipeline b102 locates upper liquid inlet is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, the position of aeration tank 4 is higher than 0.4 meter of the position of settling tank 5.
The pipeline d104 arranging between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5 is for tilting to connect, and the position that its pipeline d104 locates upper liquid inlet is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, the position of settling tank 5 is higher than 0.4 meter of the position of sludge sump 6.
The pipeline e105 arranging between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6 is for tilting to connect, and the position that its pipeline e105 goes up mud ingress is higher than 0.4 meter of the position at sludge outlet place.
Meanwhile, the position of settling tank 5 is higher than 0.4 meter of the position of filtering basin 8.
The pipeline f106 arranging between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8 is for tilting to connect, and the position that its pipeline f106 locates upper liquid inlet is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, the position of filtering basin 8 is higher than 0.4 meter of the position in reverse osmosis membrane processing pond 9.
The pipeline g107 arranging between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9 is for tilting to connect, and the position that its pipeline g107 locates upper liquid inlet is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, the position in reverse osmosis membrane processing pond 9 is higher than 0.4 meter of the position of clean water basin 10.
The pipeline h108 arranging between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10 is for tilting to connect, and the position that its pipeline h108 locates upper liquid inlet is higher than 0.4 meter of the position of liquid outlet.
Meanwhile, for the convenience of production scheduling, the total gate valve of the liquid that dams is set on the pipeline connecting with percolate influx of garbage filter liquid pool 1; On the vent pipe of clean water basin 10, shut off valve is set.
Its equipment: barrier 2, the bulk matter that can dam in percolate, as: branch, stone, plastics bag etc., prevent that it from entering subsequent disposal link.
Calcium hydroxide is thrown in causticization pond 3 in its pond, and it act as: destroy chain rupture 1..2. sterilization.3. make organonitrogen carry out ammonification.4. improve the pH value of water, 5. remove water-borne glue body material, 6. dephosphorization and removal suspended substance.Water after process in this pond can be removed COD cr, BOD 5about 40%-50%, NH 3the about 40%-50% of-N.
Aeration tank 4, its Main Function is: 1. increased the dissolved oxygen of processing water, 2. separation the ferrous iron in aeration tank, manganese etc., make arsenic etc. that co-precipitation occurs simultaneously.Increased the dissolved oxygen in water, be convenient to aerobe bacterium and breed and absorb degradation of contaminant.Through processing, effectively reduced the BOD in percolate, COD and ammonia nitrogen, can also remove the metals such as iron, manganese, made water quality generation remarkable improvement simultaneously.Water after process in this pond can be removed COD cr, BOD 5about 46%-54%, NH 3the about 70%-80% of-N, Te 2+about 55%-65%.
Settling tank 5, utilizes precipitating action, makes clear water separated with the flocs unit of the 4 interior formation in aeration tank.At its settling tank, throw in discoloring agent, charge neutrality and the organic macromolecule bridging action of performance inorganic flocculating agent, the pollutent that leading portion operation is not yet flocculated flocculates again, makes flocs unit large and closely knit, and shear resistant is good, accelerates settling velocity.In addition, in discoloring agent, contain efficient sterilizing composition, can effectively kill dewater middle bacterium and other microorganism.Its clear water liquid outlet that to be supernatant liquor arrange through the top of settling tank 5 is to filtering basin 8, and its throw out is that the liquid outlet that arranges through the bottom of settling tank 5 of mud is to sludge sump 6.
In its sludge sump 6, be provided with slush pump, partly precipitated thing, with the mud of biological bacteria, is back to the interior continuation cycle operation in aeration tank 4 by pipeline c103.
Filtering basin 8, be supernatant liquor after spoke stream precipitation is entered there is filtration, adsorbing multiple material, pollutent residual in water is carried out to Filtration Adsorption, water quality is further improved, reach national secondary discharge standard.
Reverse osmosis membrane processing pond 9, is conventional depth treatment process, because leading portion operation water quality treatment is better, then adopts reverse osmosis membrane processing technique to carry out advanced treatment, can make water quality further improve, and reaches or is better than national grade one discharge standard.
In technique scheme, liquid is an operation pond natural flow backward from last operation pond, with stream naturally, replaces machinery to promote stream, makes working cost reduce by 50% left and right than traditional technology.
Embodiment 2
In second embodiment shown in Fig. 5 Fig. 6 Fig. 7 Fig. 8, one way of life garbage percolation liquid treating system, include garbage filter liquid pool 1, barrier 2, aeration tank 4, settling tank 5, sludge sump 6, filtering basin 8, reverse osmosis membrane processing pond 9, clean water basin 10, between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2, with pipeline a101, connect, between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5, with pipeline d104, connect, between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6, with pipeline e105, connect, between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8, with pipeline f106, connect, between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9, with pipeline g107, connect, between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10, with pipeline h108, connect, and, between sludge sump 6 and aeration tank 4, be provided with sludge return pipe c103, its feature is:
Between barrier 2 and aeration tank 4, be provided with causticization pond 3, barrier 2 is arranged at the position, front upper place in causticization pond 3, between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4, with pipeline b102, connects;
Meanwhile, the position of garbage filter liquid pool 1 is higher than 0.5 meter of the position of barrier 2.
The pipeline a101 arranging between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2 is for tilting to connect; The position at place, the upper liquid inlet of its pipeline a101 is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, the position in causticization pond 3 is higher than 0.5 meter of the position of aeration tank 4.
The pipeline b102 arranging between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4 is for tilting to connect, and the position that its pipeline b102 locates upper liquid inlet is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, the position of aeration tank 4 is higher than 0.5 meter of the position of settling tank 5.
The pipeline d104 arranging between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5 is for tilting to connect, and the position that its pipeline d104 locates upper liquid inlet is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, the position of settling tank 5 is higher than 0.5 meter of the position of sludge sump 6.
The pipeline e105 arranging between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6 is for tilting to connect, and the position that its pipeline e105 goes up mud ingress is higher than 0.5 meter of the position at sludge outlet place.
Meanwhile, the position of settling tank 5 is higher than 0.5 meter of the position of filtering basin 8.
The pipeline f106 arranging between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8 is for tilting to connect, and the position that its pipeline f106 locates upper liquid inlet is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, the position of filtering basin 8 is higher than 0.5 meter of the position in reverse osmosis membrane processing pond 9.
The pipeline g107 arranging between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9 is for tilting to connect, and the position that its pipeline g107 locates upper liquid inlet is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, the position in reverse osmosis membrane processing pond 9 is higher than 0.5 meter of the position of clean water basin 10.
The pipeline h108 arranging between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10 is for tilting to connect, and the position that its pipeline h108 locates upper liquid inlet is higher than 0.5 meter of the position of liquid outlet.
Meanwhile, for the convenience of production scheduling, the total gate valve of the liquid that dams is set on the pipeline connecting with percolate influx of garbage filter liquid pool 1; On the vent pipe of clean water basin 10, shut off valve is set.
Simultaneously, convenience for safe operation and production scheduling and repair apparatus, on the pipeline a101 connecting in described inclination, liquid shut off valve a201 is set, on the pipeline b102 connecting in described inclination, be provided with liquid shut off valve b202, on the pipeline d104 connecting in described inclination, be provided with liquid shut off valve d204, on the pipeline f106 connecting in described inclination, be provided with liquid shut off valve f06, on the pipeline g107 that described inclination connects, be provided with liquid shut off valve g207, on the pipeline h108 connecting in described inclination, be provided with liquid outlet valve h208; On the pipeline c103 connecting in described inclination, be provided with mud shut off valve c203.On the pipeline e105 connecting in described inclination, be provided with mud shut off valve e205.
Its equipment: barrier 2, the bulk matter that can dam in percolate, as: branch, stone, plastics bag etc., prevent that it from entering subsequent disposal link.
Calcium hydroxide is thrown in causticization pond 3 in its pond, and it act as: destroy chain rupture 1..2. sterilization.3. make organonitrogen carry out ammonification.4. improve the pH value of water, 5. remove water-borne glue body material, 6. dephosphorization and removal suspended substance.Water after process in this pond can be removed COD cr, BOD 5about 40%-50%, NH 3the about 40%-50% of-N.
Aeration tank 4, its Main Function is: 1. increased the dissolved oxygen of processing water, 2. separation the ferrous iron in aeration tank, manganese etc., make arsenic etc. that co-precipitation occurs simultaneously.Increased the dissolved oxygen in water, be convenient to aerobe bacterium and breed and absorb degradation of contaminant.Through processing, effectively reduced the BOD in percolate, COD and ammonia nitrogen, can also remove the metals such as iron, manganese, made water quality generation remarkable improvement simultaneously.Water after process in this pond can be removed COD cr, BOD 5about 46%-54%, NH 3the about 70%-80% of-N, Te 2+about 55%-65%.
Settling tank 5 utilizes precipitating action, makes clear water separated with the flocs unit of the 4 interior formation in aeration tank.At its settling tank, throw in discoloring agent, charge neutrality and the organic macromolecule bridging action of performance inorganic flocculating agent, the pollutent that leading portion operation is not yet flocculated flocculates again, makes flocs unit large and closely knit, and shear resistant is good, accelerates settling velocity.In addition, in discoloring agent, contain efficient sterilizing composition, can effectively kill dewater middle bacterium and other microorganism.Its clear water liquid outlet that to be supernatant liquor arrange through the top of settling tank 5 is to filtering basin 8, and its throw out is that the liquid outlet that arranges through the bottom of settling tank 5 of mud is to sludge sump 6.
In its sludge sump 6, be provided with slush pump, partly precipitated thing, with the mud of biological bacteria, is back to the interior continuation cycle operation in aeration tank 4 by pipeline c103.
Filtering basin 8, be supernatant liquor after spoke stream precipitation is entered there is filtration, adsorbing multiple material, pollutent residual in water is carried out to Filtration Adsorption, water quality is further improved, reach national secondary discharge standard.
Reverse osmosis membrane processing pond 9, is conventional depth treatment process, because leading portion operation water quality treatment is better, then adopts reverse osmosis membrane processing technique to carry out advanced treatment, can make water quality further improve, and reaches or is better than national grade one discharge standard.
In technique scheme, liquid is an operation pond natural flow backward from last operation pond, with stream naturally, replaces machinery to promote stream, makes working cost reduce by 50% left and right than traditional technology.
Embodiment 3
In the 3rd embodiment shown in Fig. 9 Fig. 6 Figure 10 Figure 11, one way of life garbage percolation liquid treating system, include garbage filter liquid pool 1, barrier 2, aeration tank 4, settling tank 5 and 7, sludge sump 6, filtering basin 8, reverse osmosis membrane processing pond 9, clean water basin 10, between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2, with pipeline a101, connect, between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5, with pipeline d104, connect, between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6, with pipeline e105, connect, between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8, with pipeline f106, connect, between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 7, with pipeline s109, connect, between the mud relief outlet of settling tank 7 and the sludge stream entrance of sludge sump 6, with pipeline m110, connect, between the liquid influx of the liquid outlet of settling tank 7 and filtering basin 8, with pipeline w111, connect,
Between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9, with pipeline g107, connect, between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10, with pipeline h108, connect, and, between sludge sump 6 and aeration tank 4, be provided with sludge return pipe c103, its feature is:
Between barrier 2 and aeration tank 4, be provided with causticization pond 3, barrier 2 is arranged at the position, front upper place in causticization pond 3, between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4, with pipeline b102, connects;
Meanwhile, the position of garbage filter liquid pool 1 is higher than 0.55 meter of the position of barrier 2.
The pipeline a101 arranging between the liquid influx of the liquid outlet of garbage filter liquid pool 1 and barrier 2 is for tilting to connect; The position at place, the upper liquid inlet of its pipeline a101 is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, the position in causticization pond 3 is higher than 0.55 meter of the position of aeration tank 4.
The pipeline b102 arranging between the liquid influx of the liquid outlet in causticization pond 3 and aeration tank 4 is for tilting to connect, and the position that its pipeline b102 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, the position of aeration tank 4 is higher than 0.55 meter of the position of settling tank 5.
The pipeline d104 arranging between the liquid influx of the liquid outlet of aeration tank 4 and settling tank 5 is for tilting to connect, and the position that its pipeline d104 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, the position of settling tank 5 is higher than 0.55 meter of the position of sludge sump 6.
The pipeline e105 arranging between the mud relief outlet of settling tank 5 and the sludge stream entrance of sludge sump 6 is for tilting to connect, and the position that its pipeline e105 goes up mud ingress is higher than 0.55 meter of the position at sludge outlet place.
Meanwhile, the position of settling tank 5 is higher than 0.55 meter of the position of filtering basin 8.
The pipeline f106 arranging between the liquid influx of the liquid outlet of settling tank 5 and filtering basin 8 is for tilting to connect, and the position that its pipeline f106 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
The position of its settling tank 7 is identical with the height of settling tank 5, simultaneously, pipeline s109 between the liquid outlet of aeration tank 4 and the liquid influx of settling tank 7 tilts to connect, and the position that its pipeline s109 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, pipeline m110 between the mud relief outlet of settling tank 7 and the sludge stream entrance of sludge sump 6 tilts to connect, and the position that its tilted tube m110 goes up mud ingress is higher than 0.55 meter of the position at sludge outlet place.
Meanwhile, pipeline w111 between the liquid outlet of settling tank 7 and the liquid influx of filtering basin 8 tilts to connect, and the position that its tilted tube w111 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, the position of filtering basin 8 is higher than 0.55 meter of the position in reverse osmosis membrane processing pond 9.
The pipeline g107 arranging between the liquid influx in the liquid outlet of filtering basin 8 and reverse osmosis membrane processing pond 9 is for tilting to connect, and the position that its pipeline g107 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, the position in reverse osmosis membrane processing pond 9 is higher than 0.55 meter of the position of clean water basin 10.
The pipeline h108 arranging between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond 9 and clean water basin 10 is for tilting to connect, and the position that its pipeline h108 locates upper liquid inlet is higher than 0.55 meter of the position of liquid outlet.
Meanwhile, for the convenience of production scheduling, the total gate valve of the liquid that dams is set on the pipeline connecting with percolate influx of garbage filter liquid pool 1; On the vent pipe of clean water basin 10, shut off valve is set.
Meanwhile, for the convenience of safe operation and production scheduling and repair apparatus, the pipeline a101 connecting in described inclination
On liquid shut off valve a201 is set, on the pipeline b102 connecting in described inclination, be provided with liquid shut off valve b202, on the pipeline d104 connecting in described inclination, be provided with liquid shut off valve d204, on the pipeline f106 connecting in described inclination, be provided with liquid shut off valve f206, on the pipeline g107 that described inclination connects, be provided with liquid shut off valve g207, on the pipeline h108 connecting in described inclination, be provided with liquid outlet valve h208; On the pipeline c103 connecting in described inclination, be provided with mud shut off valve c203.On the pipeline e105 connecting in described inclination, be provided with mud shut off valve e205.On the pipeline s109 connecting in described inclination, be provided with liquid shut off valve s209, on the pipeline w111 connecting in described inclination, be provided with liquid shut off valve w211, on the pipeline m110 connecting in described inclination, be provided with mud shut off valve m210.
Its equipment: barrier 2, the bulk matter that can dam in percolate, as: branch, stone, plastics bag etc., prevent that it from entering subsequent disposal link.
Calcium hydroxide is thrown in causticization pond 3 in its pond, and it act as: destroy chain rupture 1..2. sterilization.3. make organonitrogen carry out ammonification.4. improve the pH value of water, 5. remove water-borne glue body material, 6. dephosphorization and removal suspended substance.Water after process in this pond can be removed COD cr, BOD 5about 40%-50%, NH 3the about 40%-50% of-N.
Aeration tank 4, its Main Function is: 1. increased the dissolved oxygen of processing water, 2. separation the ferrous iron in aeration tank, manganese etc., make arsenic etc. that co-precipitation occurs simultaneously.Increased the dissolved oxygen in water, be convenient to aerobe bacterium and breed and absorb degradation of contaminant.Through processing, effectively reduced the BOD in percolate, COD and ammonia nitrogen, can also remove the metals such as iron, manganese, made water quality generation remarkable improvement simultaneously.Water after process in this pond can be removed COD cr, BOD 5about 46%-54%, NH 3the about 70%-80% of-N, Te 2+about 55%-65%.
Settling tank 5 and 7, utilizes precipitating action, makes clear water separated with the flocs unit of the 4 interior formation in aeration tank.At its settling tank, throw in discoloring agent, charge neutrality and the organic macromolecule bridging action of performance inorganic flocculating agent, the pollutent that leading portion operation is not yet flocculated flocculates again, makes flocs unit large and closely knit, and shear resistant is good, accelerates settling velocity.In addition, in discoloring agent, contain efficient sterilizing composition, can effectively kill dewater middle bacterium and other microorganism.Its clear water liquid outlet that to be supernatant liquor arrange through the top of settling tank 5 and 7 is to filtering basin 8, and its throw out is that the liquid outlet that arranges through the bottom of settling tank 5 and 7 of mud is to sludge sump 6.
In its sludge sump 6, be provided with slush pump, partly precipitated thing, with the mud of biological bacteria, is back to the interior continuation cycle operation in aeration tank 4 by pipeline c103.
Filtering basin 8, be supernatant liquor after spoke stream precipitation is entered there is filtration, adsorbing multiple material, pollutent residual in water is carried out to Filtration Adsorption, water quality is further improved, reach national secondary discharge standard.
Reverse osmosis membrane processing pond 9, is conventional depth treatment process, because leading portion operation water quality treatment is better, then adopts reverse osmosis membrane processing technique to carry out advanced treatment, can make water quality further improve, and reaches or is better than national grade one discharge standard.
In technique scheme, liquid is an operation pond natural flow backward from last operation pond, with stream naturally, replaces machinery to promote stream, makes working cost reduce by 50% left and right than traditional technology.

Claims (11)

1. one way of life garbage percolation liquid treating system, include garbage filter liquid pool (1), barrier (2), aeration tank (4), settling tank (5), sludge sump (6), filtering basin (8), reverse osmosis membrane processing pond (9), clean water basin (10), and, between the liquid influx of the liquid outlet of garbage filter liquid pool (1) and barrier (2), with pipeline a (101), connect, between the liquid influx of the liquid outlet of aeration tank (4) and settling tank (5), with pipeline d (104), connect, between the sludge stream entrance of the mud relief outlet of settling tank (5) and sludge sump (6), with pipeline e (105), connect, between the liquid influx of the liquid outlet of settling tank (5) and filtering basin (8), with pipeline f (106), connect, between the liquid influx of the liquid outlet of filtering basin (8) and reverse osmosis membrane processing pond (9), with pipeline g (107), connect, between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond (9) and clean water basin (10), with pipeline h (108), connect, and, between sludge sump (6) and aeration tank (4), be provided with sludge return pipe c (103), it is characterized in that:
Between barrier (2) and aeration tank (4), be provided with causticization pond (3), barrier (2) is arranged at the position, front upper place in causticization pond (3), between the liquid influx of the liquid outlet of causticization pond (3) and aeration tank (4), with pipeline b (102), connects;
Meanwhile, the position of garbage filter liquid pool (1) is higher than the position of barrier (2), and the pipeline a (101) arranging between the liquid influx of the liquid outlet of garbage filter liquid pool (1) and barrier (2) is for tilting to connect; The position at place, the upper liquid inlet of its pipeline a (101) is higher than the position of liquid outlet;
Simultaneously, the position in causticization pond (3) is higher than the position of aeration tank (4), the pipeline b (102) arranging between the liquid influx of the liquid outlet in causticization pond (3) and aeration tank (4) is for tilting to connect, and the position that its pipeline b (102) locates upper liquid inlet is higher than the position of liquid outlet;
Simultaneously, the position of aeration tank (4) is higher than the position of settling tank (5), the pipeline d (104) arranging between the liquid influx of the liquid outlet of aeration tank (4) and settling tank (5) is for tilting to connect, and the position that its pipeline d (104) locates upper liquid inlet is higher than the position of liquid outlet;
Simultaneously, the position of settling tank (5) is higher than the position of sludge sump (6), the pipeline e (105) arranging between the sludge stream entrance of the mud relief outlet of settling tank (5) and sludge sump (6) is for tilting to connect, and its pipeline e (105) goes up the position of mud ingress higher than the position at sludge outlet place;
Simultaneously, the position of settling tank (5) is higher than the position of filtering basin (8), the pipeline f (106) arranging between the liquid influx of the liquid outlet of settling tank (5) and filtering basin (8) is for tilting to connect, and the position that its pipeline f (106) locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position of filtering basin (8) is higher than the position of reverse osmosis membrane processing pond (9),
The pipeline g (107) arranging between the liquid influx of the liquid outlet of filtering basin (8) and reverse osmosis membrane processing pond (9) is for tilting to connect, and the position that its pipeline g (107) locates upper liquid inlet is higher than the position of liquid outlet;
Meanwhile, the position of reverse osmosis membrane processing pond (9) is higher than the position of clean water basin (10),
The pipeline h (108) arranging between the liquid influx of the liquid outlet in reverse osmosis membrane processing pond (9) and clean water basin (10) is for tilting to connect, and the position that its pipeline h (108) locates upper liquid inlet is higher than the position of liquid outlet.
2. one way of life garbage percolation liquid treating system according to claim 1, is characterized in that: the position at pipeline a (101), the pipeline b (102) that described inclination connects, pipeline d (104), pipeline f (106), place, the upper liquid inlet of pipeline g (107), pipeline h (108) is 0-0.6 rice higher than the position of liquid outlet.
3. one way of life garbage percolation liquid treating system according to claim 1, is characterized in that: the position of the upper mud of pipeline e (105) ingress that described inclination connects is 0-0.6 rice higher than the position at sludge outlet place.
4. one way of life garbage percolation liquid treating system according to claim 1, is characterized in that: on the pipeline a (101) that described inclination connects, be provided with liquid shut off valve a (201),
On the pipeline b (102) that described inclination connects, be provided with liquid shut off valve b (202),
On the pipeline d (104) that described inclination connects, be provided with liquid shut off valve d (204),
On the pipeline f (106) that described inclination connects, be provided with liquid shut off valve f (206),
On the pipeline g (107) that described inclination connects, be provided with liquid shut off valve g (207),
On the pipeline h (108) that described inclination connects, be provided with liquid outlet valve h (208).
5. one way of life garbage percolation liquid treating system according to claim 1, is characterized in that: on the pipeline e (105) that described inclination connects, be provided with mud shut off valve e (205).
6. one way of life garbage percolation liquid treating system according to claim 1, it is characterized in that: be also provided with settling tank (7), the position of settling tank (7) is identical with the height of settling tank (5), simultaneously, between the liquid outlet of aeration tank (4) and the liquid influx of settling tank (7), with pipeline s (109), tilt to connect, the position at place, the upper liquid inlet of its pipeline s (109) is higher than the position of liquid outlet;
Meanwhile, between the mud relief outlet of settling tank (7) and the sludge stream entrance of sludge sump (6), with pipeline m (110), tilt to connect, the position of the upper mud of its tilted tube m (110) ingress is higher than the position at sludge outlet place;
Meanwhile, between the liquid outlet of settling tank (7) and the liquid influx of filtering basin (8), with pipeline w (111), tilt to connect, the position at place, the upper liquid inlet of its tilted tube w (111) is higher than the position of liquid outlet.
7. one way of life garbage percolation liquid treating system according to claim 6, is characterized in that: the position at place, the upper liquid inlet of described tilted tube s (109), pipeline w (111) is 0-0.6 rice higher than the position of liquid outlet.
8. one way of life garbage percolation liquid treating system according to claim 6, is characterized in that: the position of the upper mud of pipeline m (110) ingress that described inclination connects is 0-0.6 rice higher than the position at sludge outlet place.
9. one way of life garbage percolation liquid treating system according to claim 6, is characterized in that: on the pipeline s (109) that described inclination connects, be provided with liquid shut off valve s (209),
On the pipeline w (111) that described inclination connects, be provided with liquid shut off valve w (211),
On the pipeline m (110) that described inclination connects, be provided with mud shut off valve m (210).
10. one way of life garbage percolation liquid treating system according to claim 1, is characterized in that: the top of described garbage filter liquid pool (1), barrier (2), causticization pond (3), aeration tank (4), settling tank (5), sludge sump (6), filtering basin (8), reverse osmosis membrane processing pond (9), clean water basin (10) is provided with closed cover.
11. one way of life garbage percolation liquid treating systems according to claim 1, is characterized in that: on the pipeline connecting with liquid influx of described garbage filter liquid pool (1), be provided with liquid shut off valve.
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