CN203411439U - Biologic garbage leaching liquor treatment device with simultaneous denitrification and decarbonization function - Google Patents
Biologic garbage leaching liquor treatment device with simultaneous denitrification and decarbonization function Download PDFInfo
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- CN203411439U CN203411439U CN201320434442.8U CN201320434442U CN203411439U CN 203411439 U CN203411439 U CN 203411439U CN 201320434442 U CN201320434442 U CN 201320434442U CN 203411439 U CN203411439 U CN 203411439U
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Abstract
The utility model relates to a garbage leaching liquor treatment device for realizing simultaneous removal of carbon and nitrogen inside a compound type baffle plate device. The device is divided into four independent partitioning chambers by three vertical partitioning plates, wherein the front three partitioning chambers are respectively an anaerobic main reaction area and a secondary denitrification reaction area; the fourth partitioning chamber is an aerobic area which consists of an aeration chamber and a settling chamber. A water inlet is formed in the front two partitioning chambers, the water feeding mode is that water is fed from different areas, wastewater is fed into the first and the second partitioning chambers according to a ratio, and not only is the problem that the organic load of the front part of the device is overhigh solved, but also an organic carbon source for feeding water can be sufficiently utilized, so that carbon source supply for later denitrification is ensured, and the removal effect of organisms is improved, and as the fourth partitioning chamber is formed in the water outlet, and the effluent is flowed back to the third partitioning chamber, a nitrogen removal reaction by denitrification is carried out under an anaerobic condition. Through the design of water outtake backflow and water intake in different areas, integrated denitrification and decarbonization on garbage leaching liquor are realized in the compound type baffle plate device.
Description
Technical field
The utility model relates to a kind of rubbish leachate treatment unit, specifically a kind of
there is the rubbish leachate biological treatment device of removal of carbon and nitrogen function simultaneously.
Background technology
Develop rapidly along with China's economy, improving constantly of living standards of the people, domestic waste output also rapidly increases, waste disposal method has burning, sanitary landfill and compost treatment, with respect to sanitary landfill and compost treatment, waste incineration has great advantage at aspect tools such as minimizing, innoxious, resource utilizations, day by day becomes the major way of big and medium-sized cities and the refuse treatment of coastal economy developed regions.The secondary pollution bringing for fear of waste incineration, the processing of rubbish leachate is the study hotspot that current Environmental Protection in China circle is processed, also be a difficult point, and a large amount of garbage burning factory is built at home one after another, so the processing problem of rubbish leachate is urgently to be resolved hurrily simultaneously.
Rubbish leachate is that a kind of high concentrated organic wastewater generally adopts anaerobic treatment, anaerobic treatment is widely used because it has the advantages such as high loading, less energy-consumption, low operating cost, low sludge yield and capable of recovering energy source be outstanding, but the ammonia nitrogen that often contains higher concentration in anaerobic effluent, how denitrogenation becomes the focus of current research.Traditional biological denitrification process adopts nitrated-denitrification technology, Ammonia Nitrification produces nitrate, need denitrification electron donor to be reduced into nitrogen, yet the problems such as treatment scheme is long, operation and maintenance cost is high, carbon source demand amount is large that this technology exists, therefore economic, efficient, the succinct biological denitrification process of research and development becomes domestic and international investigator's vital task.
Research finds there is no oxygen, do not having in the anaerobic environment of nitrate, as having a large amount of denitrifying bacterias in oceanic sediment, deep layer subsurface deposit and digested sludge and having higher denitrifying capacity.Therefore, in anaerobic environment, also can carry out biological denitrificaion, can overcome the problems such as traditional denitrification process treatment scheme is long, working cost is high, carbon source demand amount is large, Chinese scholars further studies that find in single anaerobic device can coupling denitrification and produce methane process, synchronously realizes the removal of carbon and nitrogen of sewage.
Therefore, the anaerobism that the aerobic device water outlet that contains high density nitric nitrogen is directly back to technique front end is produced methane device, in single device, realize denitrification simultaneously and produce methane reaction, utilize the carbon source in anaerobic system to carry out denitrification, can save anoxic denitrification pond, save the part energy and organic carbon source, minimizing is processed the quantity of structures and is saved space, reduce processing cost, can improve organic degradation rate simultaneously.
Summary of the invention
It is a kind of that the purpose of this utility model is to provide
there is the rubbish leachate biological treatment device of removal of carbon and nitrogen function simultaneously, by compartment, transform and produce the mode that nitrification liquid refluxes and subregion is intake, realize integration denitrification de-carbon.
The present invention proposes
there is the rubbish leachate biological treatment device of removal of carbon and nitrogen function simultaneouslydescribed device is divided into four lattice chambers by three vertical baffles 7, be followed successively by from left to right the first compartment 10, the second compartment 11, the 3rd compartment 12 and the 4th compartment, in the first compartment 10, the second compartment 11, the 3rd compartment 12 and the 4th compartment, be equipped with flow deflector 6, bottom is equipped with mud discharging mouth 5, and middle part is equipped with thief hole 4; The first compartment 10 1 upper lateral parts are provided with water-in 1, and top is provided with that venting hole 3, the four compartments are divided into the 4th compartment aeration zone 13 and 13 bottoms, 14, the four compartment aeration zone, the 4th compartment settling region are provided with aeration head 8; The 4th compartment one side is provided with water outlet 2, and described water outlet 2 is connected the 3rd compartment 12 bottom water-ins with three-way valve 9 by sewage separation pipe.
In the utility model, described water-in 1 is connected with the second compartment 12 water-ins through sewage separation pipe with three-way valve 9 Ti， one end, connection pond, one end by pipeline.
In the utility model, described flow deflector lower end is with swash plate, and the angle of swash plate and level is 145 degree.
In the utility model, the upstream room of described the first compartment 10, the second compartment 11 and the 3rd compartment 12 and downstream room width are than being 4:1.
In the utility model, between described the 4th compartment aeration zone and the 4th compartment settling region, be provided with flow deflector, the mud of the 4th compartment settling region can automatic back flow to the four compartment aeration zones.
Working process of the present utility model is as follows:
The first compartment produces methane main reaction region as anaerobism, make full use of and into the available organic carbon source of water high density, under the effect of methanogen, produce and collect pure methane gas and do energy reserves, the 4th compartment is provided with aeration head and settling region is set as aerobic zone, aeration zone produces nitrification liquid, settling region precipitates aeration zone mixed solution, flow deflector by bottom, settling region can make the automatic sludge returning of precipitation to aeration zone, saved sludge refluxing apparatus, and the supernatant liquor of settling region is back to the 3rd compartment downstream room by sewage separation pipe, the nitrification liquid that is back to the 3rd compartment due to water conservancy Conditioning is understood back-mixing to the second compartment, at the second compartment and the 3rd compartment, carrying out anaerobism produces methane and the nitrification liquid refluxing is carried out to denitrification simultaneously.
Can be by regulating nitrification liquid reflux ratio in the utility model, obtain best C/N ratio, guaranteeing to reduce the energy loss that backflow nitrification liquid brings on abundant denitrifying basis, and can make full use of the residue carbon source residual organic substances of degrading better, obtaining optimization process condition.
On water intake mode, adopt subregion water inlet, waste water enters respectively the first compartment and the second compartment in proportion, not only avoided installing the too high problem of anterior organic loading, and can make full use of the organic carbon source into water, for follow-up denitrification guarantees carbon source supply, improve organic removal effect, can regulate subregion water inlet ratio according to follow-up denitrification situation, guarantee follow-up denitrifyingly carry out smoothly.
By the repacking of the 4th compartment is formed to compound deflector means, backflow due to aerobic nitrification liquid, at the two or three compartment, carry out while denitrification and produce methane, removal of carbon and nitrogen function when reaching waste water, in addition, the mode of subregion water inlet can effectively be utilized water-inlet carbon source, reduces water inlet organic loading, and guarantees the supply of follow-up denitrifying carbon source.The utility model has been realized integration denitrification de-carbon, has saved the follow-up anoxic pond of anaerobism, reaches energy and land saving, simplifies the effect of technique, has improved the treatment effect of device COD, TN, has saved wastewater treatment energy consumption.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model device.
Fig. 2 is the orthographic plan of the utility model device.
Number in the figure: 1. water-in, 2. water outlet, 3. venting hole, 4. thief hole, 5. mud discharging mouth, 6. flow deflector, 7. dividing plate, 8. aeration head, 9. three-way valve, 10. the first compartment, 11. second compartments, 12. the 3rd compartments, 13. the 4th compartment aeration zones, 14. the 4th compartment settling regions.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail; person of ordinary skill in the field can understand and apply the utility model; its advantage and positively effect also can be known from experience simultaneously; but it should be noted that, embodiment does not form the restriction to the claimed scope of the utility model.
Embodiment 1: described device is shown in Fig. 1 and Fig. 2, by water-in 1, water outlet 2, venting hole 3, thief hole 4, mud discharging mouth 5, flow deflector 6, dividing plate 7, aeration head 8, three-way valve 9, the first compartment 10, the second compartment 11, the 3rd compartment 12, the 4th compartment aeration zone 13 and the 4th compartment settling region 14 form, this device is divided into four individual compartment by three dividing plates 7, the first compartment 10, the second compartment 11 and the 3rd compartment 12 are respectively anaerobic main reaction zone and denitrification side reaction district, at top, be equipped with venting hole 3 and collect mouth as biogas, the 4th compartment is aerobic zone, by the 4th compartment aeration zone 13 and the 4th compartment settling region 14, formed.Water-in is located at the first two compartment, water intake mode is subregion water inlet, waste water proportionally enters the first compartment and the second compartment, not only avoided installing the too high problem of anterior organic loading, and can make full use of the organic carbon source into water, for follow-up denitrification guarantees carbon source supply, improve organic removal effect, water outlet 2 is located at the 4th compartment, and effluent recycling is located to the 3rd compartment 12, under anaerobic carries out denitrification denitrogenation reaction.The first compartment 10 carries out anaerobism and produces methane, the 4th compartment produces nitrification liquid by aeration and is back to the 3rd compartment 12, because hydraulics nitrification liquid meeting back-mixing is to the second compartment 11, therefore at the second compartment 11 and the 3rd compartment 12, carry out anaerobism product methane denitrification, simultaneously removal of carbon and nitrogen simultaneously.
Water-in 1 and water outlet 2 are equipped with three-way valve 9, and the three-way valve 9 Ti， one end, connection pond, one end at water-in 1 place are connected with the second compartment 12 water-ins through sewage separation pipe, on sewage separation pipe with valve; The three-way valve 9 of water outlet 2, one end is by sewage separation pipe by effluent recycling to the three compartment 12 water-ins, one end connects sewage collection equipment, on sewage separation pipe with valve.
In the utility model, described flow deflector lower end is with swash plate, and the angle of swash plate and level is 145 degree.
The upstream room in the anaerobic zone of first three compartment and denitrification side reaction district and downstream room width are than being 4:1.
In the utility model, between described the 4th compartment aeration zone and the 4th compartment settling region, be provided with flow deflector, the mud of the 4th compartment settling region can automatic back flow to the four compartment aeration zones.
By described device, for the treatment of garbage burning factory rubbish leachate, seed sludge is selected from garbage burning factory rubbish leachate treatment station anaerobic device mud, inoculation mud concentration 20g/L, water inlet water water quality average, COD:45000mg/L, NH
3-N:1500mg/L, TN:1850mg/L, device volume 10L, flooding velocity 1L/d.
Embodiment 2: aerobic nitrification liquid is 1:3 with water inlet reflux ratio, the first compartment factor of created gase 5.4L/d, and methane production is 0.33L/gCOD
.d, methane content 80%, carbon dioxide content 20%, the second compartment factor of created gase 0.18L/d, the 3rd compartment factor of created gase is 0.16L/d, methane content 5.3%, a nitrogen content 94%.Whole device COD clearance is that 90%, TN clearance is 25%.
Embodiment 3: aerobic nitrification liquid is 1:1 with water inlet reflux ratio, and water inlet if desired can adopt subregion water inlet to guarantee that follow-up denitrification can utilize carbon source, and the one or two compartment water inlet ratio is 2:1, the first compartment factor of created gase 4.6L/d now, methane production 0.30L/gCOD
.d, methane content 78%, carbon dioxide content 22%, the second compartment factor of created gase 0.35L/d, the 3rd compartment factor of created gase is 0.25L/d, methane content 5.8%, a nitrogen content 94%.Whole device COD clearance 90%, TN clearance is 80%.
Claims (5)
1. one kind has the rubbish leachate biological treatment device of removal of carbon and nitrogen function simultaneously, it is characterized in that described device is divided into four lattice chambers by three vertical baffles (7), be followed successively by from left to right the first compartment (10), the second compartment (11), the 3rd compartment (12) and the 4th compartment, in the first compartment (10), the second compartment (11), the 3rd compartment (12) and the 4th compartment, be equipped with flow deflector (6), bottom is equipped with mud discharging mouth (5), and middle part is equipped with thief hole (4); The first compartment (10) one upper lateral parts are provided with water-in 1, top is provided with venting hole (3), the 4th compartment is divided into the 4th compartment aeration zone (13) and the 4th compartment settling region (14), and the 4th bottom, compartment aeration zone (13) is provided with aeration head (8); The 4th compartment one side is provided with water outlet (2), and described water outlet (2) is connected the 3rd compartment (12) bottom water-in with three-way valve (9) by sewage separation pipe.
2. according to claim 1 have a simultaneously rubbish leachate biological treatment device of removal of carbon and nitrogen function, it is characterized in that described water-in (1) is connected with the second compartment (12) water-in through sewage separation pipe with Ti， one end, connection pond, three-way valve (9) one end by pipeline.
3. the rubbish leachate biological treatment device with while removal of carbon and nitrogen function according to claim 1, is characterized in that described flow deflector lower end is with swash plate, and the angle of swash plate and level is 145 degree.
4. the rubbish leachate biological treatment device with while removal of carbon and nitrogen function according to claim 1, is characterized in that the upstream room of described the first compartment (10), the second compartment (11) and the 3rd compartment (12) and downstream room width ratio are 4:1.
5. according to claim 1 have a simultaneously rubbish leachate biological treatment device of removal of carbon and nitrogen function, it is characterized in that being provided with flow deflector between described the 4th compartment aeration zone (13) and the 4th compartment settling region (14), the mud of the 4th compartment settling region (14) can automatic back flow to the four compartment aeration zones (13).
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| CN201320434442.8U CN203411439U (en) | 2013-07-22 | 2013-07-22 | Biologic garbage leaching liquor treatment device with simultaneous denitrification and decarbonization function |
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| CN201320434442.8U CN203411439U (en) | 2013-07-22 | 2013-07-22 | Biologic garbage leaching liquor treatment device with simultaneous denitrification and decarbonization function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926720A (en) * | 2016-06-15 | 2016-09-07 | 张萍 | Air water generator high in water purification efficiency |
| CN106904796A (en) * | 2017-04-20 | 2017-06-30 | 成都孚华环保科技有限公司 | A kind of multilevel deflector-type SSMBBR sewage disposal systems and processing method |
| CN106927638A (en) * | 2017-04-20 | 2017-07-07 | 成都孚华环保科技有限公司 | A kind of multilevel deflector-type MBBR sewage disposal systems and processing method |
-
2013
- 2013-07-22 CN CN201320434442.8U patent/CN203411439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926720A (en) * | 2016-06-15 | 2016-09-07 | 张萍 | Air water generator high in water purification efficiency |
| CN106904796A (en) * | 2017-04-20 | 2017-06-30 | 成都孚华环保科技有限公司 | A kind of multilevel deflector-type SSMBBR sewage disposal systems and processing method |
| CN106927638A (en) * | 2017-04-20 | 2017-07-07 | 成都孚华环保科技有限公司 | A kind of multilevel deflector-type MBBR sewage disposal systems and processing method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170722 |