CN209974409U - Anaerobic reactor for landfill leachate treatment - Google Patents
Anaerobic reactor for landfill leachate treatment Download PDFInfo
- Publication number
- CN209974409U CN209974409U CN201920440723.1U CN201920440723U CN209974409U CN 209974409 U CN209974409 U CN 209974409U CN 201920440723 U CN201920440723 U CN 201920440723U CN 209974409 U CN209974409 U CN 209974409U
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- Prior art keywords
- anaerobic
- reaction chamber
- gas collection
- landfill leachate
- anaerobic reactor
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000010802 sludge Substances 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims description 31
- 238000005192 partition Methods 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 5
- 239000000470 constituent Substances 0.000 description 6
- 230000003311 flocculating effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000010452 phosphate Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical class [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical class [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a landfill leachate handles the field, especially, relate to an anaerobic reactor for landfill leachate handles, including the anaerobic reaction chamber that is equipped with activated sludge and the gas collection area of setting in anaerobic reaction chamber top, set up the elastic filler in the anaerobic reaction chamber, the elastic filler below is equipped with the dive agitator, gas collection area includes sludge separation device and vapour and liquid separator, sludge separation device includes the baffle that a plurality of range set up from top to bottom, the baffle level sets up in gas collection area, a tip of baffle and the inner wall looks sealing connection in gas collection area, another tip be free end and with the inner wall in gas collection area between have a passageway that supplies bubble and sewage to pass through, the passageway that forms between two adjacent baffles and the gas collection area inner wall is located the left and right sides in gas collection area respectively. The utility model discloses simple structure, anti load impact ability is strong, and operating stability has improved anaerobic reaction efficiency, but wide application in landfill leachate anaerobic treatment.
Description
Technical Field
The utility model relates to a landfill leachate handles, especially relates to an anaerobic reactor for landfill leachate handles.
Background
The garbage leachate is a liquid with high-concentration organic or inorganic components generated under the seepage action of precipitation and groundwater due to the biochemical degradation action of compaction, fermentation and the like in the stacking and landfill processes of the garbage.
The water quality of the landfill leachate has the following characteristics: (1) the quality of the percolate is very complex, and the percolate not only contains oxygen-consuming organic pollutants, but also contains various metals and plant nutrients (ammonia nitrogen and the like); (2) the COD and BOD concentration is high, can reach tens of thousands at most, and is far higher than that of urban sewage; (3) the landfill leachate contains various organic pollutants, such as non-chlorinated aromatic compounds such as naphthalene and phenanthrene, chlorinated aromatic compounds, phosphate, phthalate, phenolic compounds, aniline compounds and the like which are difficult to biodegrade; (4) high heavy metal content, high chroma and bad smell.
The existing treatment methods of the landfill leachate comprise a physical and chemical method and a biological method, the treatment of the landfill leachate mainly adopts the biological method at present, and comprises aerobic biological treatment and anaerobic biological treatment. The anaerobic biological treatment device developed in recent years is provided with an anaerobic biological filter, an upflow sludge bed reactor, an anaerobic baffle reactor and the like, but the garbage leachate has the defects of complex components, high concentration and unbalanced nutrient element proportion, and the anaerobic reactor has low treatment efficiency, unstable operation and the like when treating the leachate.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, anti load impact ability is strong, and operating stability has improved anaerobic reaction efficiency, but wide application in landfill leachate handles's anaerobic reactor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anaerobic reactor for treating garbage percolate, which comprises an anaerobic reaction chamber provided with activated sludge and a gas collecting zone arranged above the anaerobic reaction chamber, elastic fillers are arranged in the anaerobic reaction chamber and dispersedly arranged at the position 40-80cm away from the bottom of the anaerobic reaction chamber, the anaerobic reaction chamber is provided with a submersible stirrer, the gas collection area comprises a sludge separation device and a gas-liquid separator arranged above the sludge separation device, the sludge separation device comprises a plurality of clapboards which are arranged up and down, the clapboards are horizontally arranged in the gas collection area, one end of each partition board is hermetically connected with the inner wall of the gas collecting area, the other end of each partition board is a free end and is provided with a channel for bubbles and sewage to pass through between the free end and the inner wall of the gas collecting area, and the channels formed between the two adjacent partition boards and the inner wall of the gas collecting area are respectively positioned at the left side and the right side of the gas collecting area.
In a further improvement, the distance between the elastic fillers is 15-30 cm.
In a further improvement, the upper surface and the lower surface of the clapboard are coated with anaerobic bacteria layers.
The improved structure is characterized in that the downward surface of the partition plate is a wavy curved surface, and the upward surface of the partition plate is a smooth surface.
In a further improvement, a wire mesh is arranged between the sludge separation device and the gas-liquid separator.
The anaerobic reactor is further improved, the anaerobic reactor further comprises a sewage return pipe, one end of the sewage return pipe is connected with the gas-liquid separator, and the other end of the sewage return pipe is connected with the bottom of the anaerobic reaction chamber.
In a further improvement, the anaerobic reactor is provided with a temperature detector for measuring the temperature in the anaerobic reaction chamber.
In a further improvement, the anaerobic reactor is provided with an oxygen concentration detector for measuring the oxygen concentration in the anaerobic reaction chamber.
In a further improvement, the height-diameter ratio of the anaerobic reactor is 3-10.
In a further improvement, the volume space occupied by the sludge separation device is 1.5 to 3 times of that of the anaerobic reaction chamber.
By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model can effectively prevent the sludge from sinking by arranging the submersible stirrer, so that the sludge keeps a suspension state, and is matched with elastic filler, so that anaerobic reaction can be fully carried out, when the anaerobic reaction is carried out, the generated bubbles can drive the flocculating constituents of the activated sludge to rise to a gas collecting region positioned above the anaerobic reaction chamber through the air flotation effect, the gas collecting region comprises a sludge separating device, the sludge separation device is provided with a plurality of layers of clapboards, bubbles flow through the clapboards in sequence, and the clapboards are used for colliding and breaking the bubbles generated in the anaerobic reaction chamber when passing through the clapboards to form countless small bubbles for separating gas from flocculating constituents of activated sludge, so that the flocculating constituents of the activated sludge in the bubbles are prevented from being taken away in the bubble floating process, the concentration of the activated sludge in the anaerobic reaction chamber is reduced along with the anaerobic reaction, and the treatment effect of percolate is directly influenced; furthermore, the downward surface of the partition plate is a wavy curved surface, so that the area of the partition plate which is collided by large bubbles is increased, more large bubbles are collided and broken, more small bubbles are generated and pass through the partition plate, and the activated sludge is blocked more completely; furthermore, the upper surface and the lower surface of the partition board are coated with anaerobic bacteria layers, so that anaerobic reaction is more sufficient; furthermore, a wire mesh is arranged between the sludge separation device and the gas-liquid separator and used for removing residual spray in the collected biogas of the gas-liquid separator and improving the purity of the collected gas; further, by arranging the sewage return pipe, the sewage after gas-liquid separation can be conveyed back to the anaerobic reaction chamber.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1, the embodiment provides an anaerobic reactor for landfill leachate treatment, the height-diameter ratio of the anaerobic reactor is 3-10, the anaerobic reactor comprises an anaerobic reaction chamber 1 provided with activated sludge 11 and a gas collecting region 2 arranged above the anaerobic reaction chamber 1, elastic fillers 12 are arranged in the anaerobic reaction chamber 1, the elastic fillers 12 are dispersedly arranged at a position 40-80cm away from the bottom of the anaerobic reaction chamber 1, the distance between the elastic fillers 12 is 15-30cm, the arrangement is favorable for the full proceeding of anaerobic reaction, the anaerobic reaction chamber 1 is provided with a submersible stirrer 3, the gas collecting region 2 comprises a sludge separating device 21 and a gas-liquid separator 22 arranged above the sludge separating device 21, wherein the volume space occupied by the sludge separating device 21 is 1.5-3 times of that of the anaerobic reaction chamber 1, the sludge separating device 21 comprises a plurality of partition plates 211 arranged up and down, the partition boards 211 are horizontally arranged in the gas collecting area 2, one end of each partition board 211 is hermetically connected with the inner wall of the gas collecting area 2, the other end of each partition board 211 is a free end 211a, a channel for bubbles and sewage to pass through is arranged between the free end 211a and the inner wall of the gas collecting area 2, the channels formed between the two adjacent partition boards 211 and the inner wall of the gas collecting area 2 are respectively positioned at the left side and the right side of the gas collecting area 2, the upper surface and the lower surface of each partition board 211 are coated with anaerobic bacteria layers 212, wherein the downward surface of each partition board 211 is a wave-shaped curved surface, and the upward surface of each partition board; the anaerobic reactor further comprises a sewage return pipe 4, one end of the sewage return pipe 4 is connected with the gas-liquid separator 22, the other end of the sewage return pipe 4 is connected with the bottom of the anaerobic reaction chamber 1, and the sewage return pipe 4 is used for conveying sewage subjected to gas-liquid separation back to the anaerobic reaction chamber 1; meanwhile, the anaerobic reactor is provided with a temperature detector 5 for measuring the temperature in the anaerobic reaction chamber 1 and an oxygen concentration detector 6 for measuring the oxygen concentration in the anaerobic reaction chamber, so that the anaerobic reaction condition can be monitored conveniently and smoothly.
In this embodiment, a wire mesh 23 is disposed between the sludge separation device 21 and the gas-liquid separator 22, and the wire mesh 23 is used for removing the mist entrained in the biogas to be collected by the gas-liquid separator 22.
Preferably, in this embodiment, the height/diameter ratio of the anaerobic reactor is 4, the volume space occupied by the sludge separation device 21 is 2 times of that of the anaerobic reaction chamber 1, the elastic fillers 12 are dispersedly arranged at a position 60cm away from the bottom of the anaerobic reaction chamber 1, and the distance between the elastic fillers 12 is 20 cm.
The utility model is in operation, the garbage percolate after pretreatment enters the anaerobic reaction chamber 1 from the water inlet 13 of the anaerobic reactor, the diving stirrer 3 is started to stir anaerobic sludge, sludge can be effectively prevented from sinking, the sludge is kept in a suspension state, and the elastic filler 12 is matched, so that the anaerobic reaction can be fully carried out, when the anaerobic reaction is carried out, the generated bubbles can drive the flocculating constituent of the active sludge 11 to rise to the sludge separation device 21 positioned above the anaerobic reaction chamber through the air floating effect, because the sludge separation device 21 is provided with the multilayer partition plate 211, the bubbles sequentially flow through the partition plate 211 and collide and break with the partition plate 211 to form countless small bubbles, the separation of the flocculating constituent of the active sludge 11 and the gas is carried out, the flocculating constituent of the active sludge 11 in the bubbles in the floating process is prevented from being brought away, the concentration of the active sludge 11 in the anaerobic reaction chamber 1 is smaller and smaller along with the anaerobic reaction, the treatment effect of the leachate is directly influenced, the activated sludge 11 mixed with the landfill leachate remained on the partition plate 211 can continuously react with anaerobic bacteria on the partition plate 211 or flow back to the anaerobic reaction chamber 1, the gas passing through the sludge separation device 21 continuously rises, and the wire mesh 23 removes residual mist mixed in the gas, so that the purity of the collected gas is improved; the gas reaches the gas-liquid separator 22, the water outlet of the gas-liquid separator 22 is communicated with the sewage return pipe 4, and the sewage after gas-liquid separation can be conveyed back to the anaerobic reaction chamber 1 to continue anaerobic reaction.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An anaerobic reactor for landfill leachate treatment which characterized in that: including the anaerobic reaction chamber that is equipped with activated sludge and the gas collection district of setting in anaerobic reaction chamber top, set up the elastic filler in the anaerobic reaction chamber, elastic filler locates apart from anaerobic reaction chamber bottom 40-80cm dispersedly, the anaerobic reaction chamber is equipped with the dive agitator, gas collection district includes sludge separator and the vapour and liquid separator who locates sludge separator top, sludge separator includes a plurality of range from top to bottom and sets up the baffle, the baffle level sets up in gas collection district, a tip of baffle and the inner wall in gas collection district be sealing connection mutually, another tip be free end and with gas collection district have a passageway that supplies bubble and sewage to pass through between the inner wall in gas collection district, the passageway that forms between two adjacent baffles and the gas collection district inner wall is located the left and right sides in gas collection district respectively.
2. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the distance between the elastic fillers is 15-30 cm.
3. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the upper surface and the lower surface of the clapboard are coated with anaerobic bacteria layers.
4. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the downward surface of the partition plate is a wavy curved surface, and the upward surface of the partition plate is a smooth surface.
5. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: and a wire mesh is arranged between the sludge separation device and the gas-liquid separator.
6. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the anaerobic reactor further comprises a sewage return pipe, one end of the sewage return pipe is connected with the gas-liquid separator, and the other end of the sewage return pipe is connected with the bottom of the anaerobic reaction chamber.
7. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the anaerobic reactor is provided with a temperature detector for measuring the temperature in the anaerobic reaction chamber.
8. The anaerobic reactor for landfill leachate treatment according to claim 1, wherein: the anaerobic reactor is provided with an oxygen concentration detector for measuring the oxygen concentration in the anaerobic reaction chamber.
9. An anaerobic reactor for landfill leachate treatment according to any one of claims 1 to 8, wherein: the height-diameter ratio of the anaerobic reactor is 3-10.
10. The anaerobic reactor for landfill leachate treatment of claim 9, wherein: the volume space occupied by the sludge separation device is 1.5-3 times of that of the anaerobic reaction chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920440723.1U CN209974409U (en) | 2019-04-02 | 2019-04-02 | Anaerobic reactor for landfill leachate treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920440723.1U CN209974409U (en) | 2019-04-02 | 2019-04-02 | Anaerobic reactor for landfill leachate treatment |
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| Publication Number | Publication Date |
|---|---|
| CN209974409U true CN209974409U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920440723.1U Expired - Fee Related CN209974409U (en) | 2019-04-02 | 2019-04-02 | Anaerobic reactor for landfill leachate treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307364A (en) * | 2021-05-26 | 2021-08-27 | 玖龙纸业(天津)有限公司 | Double-circulation anaerobic reactor for paper machine system |
| CN113620504A (en) * | 2021-06-23 | 2021-11-09 | 浙江水美环保工程有限公司 | Anaerobic treatment device for intensive pig raising wastewater |
| CN117105406A (en) * | 2023-09-05 | 2023-11-24 | 武汉世纪天源环保技术有限公司 | High-efficiency anaerobic reactor |
-
2019
- 2019-04-02 CN CN201920440723.1U patent/CN209974409U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307364A (en) * | 2021-05-26 | 2021-08-27 | 玖龙纸业(天津)有限公司 | Double-circulation anaerobic reactor for paper machine system |
| CN113620504A (en) * | 2021-06-23 | 2021-11-09 | 浙江水美环保工程有限公司 | Anaerobic treatment device for intensive pig raising wastewater |
| CN117105406A (en) * | 2023-09-05 | 2023-11-24 | 武汉世纪天源环保技术有限公司 | High-efficiency anaerobic reactor |
| CN117105406B (en) * | 2023-09-05 | 2024-05-14 | 武汉世纪天源环保技术有限公司 | High-efficiency anaerobic reactor |
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Granted publication date: 20200121 |
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