CN204769817U - Simple and easy good oxygen bioreactor processing system of landfill yard - Google Patents
Simple and easy good oxygen bioreactor processing system of landfill yard Download PDFInfo
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- CN204769817U CN204769817U CN201520220469.6U CN201520220469U CN204769817U CN 204769817 U CN204769817 U CN 204769817U CN 201520220469 U CN201520220469 U CN 201520220469U CN 204769817 U CN204769817 U CN 204769817U
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- landfill yard
- landfill
- mini nutritionalassessment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides a simple and easy good oxygen bioreactor processing system of landfill yard comprises good oxygen bioreactor, circulating fan, dust remover, air exhauster, deodorizing device, aiutage, torch, heater, wherein good oxygen bioreactor by the anchor ditch, cover membrane, gas injection well, the well of bleeding, precipitation sump pit, recharge the device, simple and easy landfill yard engineering border, simple and easy landfill yard flat surface, on -line measuring appearance constitute. Simple and easy landfill yard is through leveling, repair the slope back, digs a well on simple and easy landfill yard flat surface, the tectorial membrane, beats the precipitation sump pit around the landfill yard border, taken out the inside landfill gas of landfill yard after, to the ventilation of rubbish heap body forced circulation, accelerate the stability of landfill yard. The utility model discloses an optimizing system configuration, modular construction and operating method have made oxygen bioreactor processing system be fit for administering and have restoreed simple and easy landfill yard to reduce the running cost.
Description
Technical field
The utility model belongs to environmental protection technical field of domestic garbage treatment, a kind of Mini nutritionalassessment aerobe reactor treatment system.
Background technology
For the recycling of simple dumping site, be abroad utilize after directly being utilized by old rubbish or sieving mostly, main utilization ways is: as the supplementing of planting soil, as cladding material, do construction material, filtering material as deodorization.It is nineteen fifty-three Tel Aviv City, Israel's landfill yard exploitation engineering that foreign literature records landfill yard exploitation the earliest, and exploitation main purpose is supplementing as oranges and tangerines plantation soil of fetching earth from landfill yard.
Field or Mini nutritionalassessment is stacked in each big city of China (nearly all city above county level) or a large amount of refuse collecting of peri-urban ubiquity, do not reach sanitary landfills standard, even without any pollution prevention facility, caused more serious underground water pollution, wherein major part not yet reaches at present stabilisation, still constantly to environment.Along with Urbanization in China is accelerated, the rapid expansion in city often causes urban industry, business, residential block more and more to be approached even surrounding these to be originally positioned at old garbage stacking yard and the Mini nutritionalassessment in suburb, become bottleneck and the difficult point of the development of restriction this area, long-range circumstances and health risk are very large, must carry out repairing and treating.
But, the research of China in old garbage stacking yard improvement mainly concentrates in leachate treatment technology, the heap stability of body and settling character, the generation prediction of landfill gas and utilization, impervious material research etc., and in end ecological recovery and screening utilization of resources field, start late, basis is comparatively weak, lacks applicable technology and specification.The domestic improvement to simple dumping site generally adopts two schemes: one is that original stale garbage is had bad luck garbage disposal plant through Specification Design; Two is administer on the spot (comprising closing, vertical and horizontal leakage preventing measure, leachate collection and process, stabilisation, the guide of the screening utilization of resources and landfill gas, burning or utilization) simple dumping site.The former normally dumping quantity is few, and the time is short, and residing geographical position is more responsive.The latter be time of stacking garbage for a long time, quantity is very large.
Bioreactor landfill technology, namely by taking specific control methods, strengthen biochemical reaction process in landfill yard, finally reach a kind of landfill yard method of operation accelerating Biochemical degraded object in refuse landfill, realize the stabilisation of junk-heap body.Wherein control methods mainly comprise: air Injection, moisture inject, microbial inoculant and leachate recirculation etc.Compared with other Landfills, the advantage that Bioreactor landfill technology has is, bioreactor landfill shortens sedimentation time and the stabilisation process of rubbish body, accelerates the sedimentation of landfill yard, increases landfill yard dischargeable capacity.
Aerobe reactor Landfill, mainly for the organic matter in rubbish, makes buring layer intermediate portion in good oxygen condition by increasing air content in landfill district.Easy degraded composition in rubbish can under good oxygen condition accelerated degradation, the lignin that decomposition rate is slow etc. are then more stable humus with polymerization such as the protein in dead microbial, thus can shorten stabilization time greatly.
Major part aerobe reactor landfill yard is all formed by traditional landfill yard or the transformation of anaerobic biological reactor landfill yard, its essence be all by gas injection blower fan and gas discharge guiding pipe road by fresh air conveying in rubbish body, and by blower fan of bleeding by CO
2discharge from landfill waste heap body Deng gas, temperature and aerobic landfill gas component in the aerobic bioreactor landfill of transformation are monitored simultaneously, for the degraded of landfill waste aerobic biochemical provides advantage, thus accelerate refuse biochemical degraded, eliminate harmful substance, improve landfill yard circulation rate, landfill yard is redeveloped becomes possibility.
But the aerobic reactor technology of routine directly can not indiscriminately imitate Mini nutritionalassessment, because Mini nutritionalassessment is different from Sanitary Landfill completely: 1. impervious barrier is not laid in advance in bottom and side; 2. there is no pre-buried gas and the liquid measure of falling row and pipeline; 3. landfill pollutant diffusion, causes landfill yard obscurity boundary; 4. Mini nutritionalassessment long-term lacking detects, and bulk properties and parameter are failed to understand.
Therefore need the feature for Mini nutritionalassessment, system is carried out to Mini nutritionalassessment aerobe reactor, and instructs engineering practice by method optimization.
Utility model content
The purpose of this utility model is to provide a kind of Mini nutritionalassessment aerobe reactor treatment system, solve system configuration, cellular construction and the method for operating problem in the aerobic fast and stable process of Mini nutritionalassessment, make aerobe reactor treatment system be applicable to administering and repairing Mini nutritionalassessment.
A kind of Mini nutritionalassessment aerobe reactor treatment system, it is characterized in that, this system is by aerobe reactor 1, circulating fan 8, deduster 9, air exhauster 10, odor removal 11, aiutage 12, torch 13, heater 18 forms, circulating fan 8 is connected with aerobe reactor 1 with pump-line 7 by gas injecting pipe 6, heater 18 is positioned at the outlet of circulating fan 8, the outlet of deduster 9 is connected with circulating fan 8 and blower fan 10 of bleeding with valve v3 respectively by valve v2, the outlet of blower fan 10 of bleeding is connected with odor removal 11 and torch 13 with valve v5 respectively by valve v4, odor removal 11 is connected with aiutage 12.
Described aerobe reactor 1 is made up of anchoring groove 2, cover layer 3, gas injection well 4, extraction well 5, precipitation sump 13, backflow device 14, Mini nutritionalassessment engineering boundary 15, Mini nutritionalassessment flat surface 16, on-line detector 17.
Described cover layer is the composite membrane of HDPE film and geotextiles, and HDPE film is density polyethylene film with high, and lower floor is geotextiles upper strata is HDPE film, also can be levels is geotextiles, and intermediate layer is the composite membrane of HDPE film composition.The thickness of cover layer is 0.5mm ~ 2mm.Cover layer is welded into entirety, and size is 5000 ~ 20000 squares.
The vertical shaft that described gas injection well 4 and extraction well 5 are dug for vertical drill, vertical shaft distribution density is 20 ~ 30m, vertical shaft diameter 300mm ~ 1000mm, degree of depth 3m ~ 10m, bottom higher than Mini nutritionalassessment engineering boundary 15 apart from being 0.5m, gas injecting pipe 6 in gas injection well 4 and extraction well 5 and pump-line 7 diameter 200mm ~ 500mm, the hole of uniform diameter 10mm ~ 20mm on duct wall, hole center distance 100mm ~ 300mm, tube wall wraps up the geotextiles that one deck 1 ~ 2mm is thick, directly fill by landfill waste between geotextiles and vertical shaft.
Described precipitation sump 13 is arranged in landfill yard place surrounding, and the degree of depth determines according to the position of level of ground water, and when level of ground water is lower than Mini nutritionalassessment engineering boundary 15, the bottom of precipitation sump 13 is lower than gas injection well 4 and extraction well 5 bottom 1m; But level of ground water higher than time, the bottom of precipitation sump 13 is lower than Mini nutritionalassessment engineering boundary 15 bottom 1m, and wherein the rubbish base plate determined is surveyed and soil and groundwater pollution detection data are determined jointly in Mini nutritionalassessment engineering boundary 15 base area.
Described Mini nutritionalassessment flat surface 16 refers in aerobe reactor 1 implementation process, the surface formed after first carrying out smooth compacting to the rubbish of simple and easy landfill.
The pressure of described circulating fan 8 is 20kPa ~ 100kPa, and circulating fan 8 entrance point is provided with valve v1, valve v2, and each gas injection well 4 top pipeline is provided with valve v6, and each extraction well 5 top pipeline is provided with valve v7.
The beneficial effects of the utility model:
1. the utility model aerobe reactor 1 surface HDPE film entirety covers sealing, and gas injection well 4 and extraction well 5 interval are arranged, landfill yard item uniform settlement.
2, the waste gas circulation of extracting out from aerobe reactor 1 is intermittently injected in aerobe reactor 1 by circulating fan 8 by the utility model, decreases the running time of exhaust-gas treatment, has saved operating cost;
3. the utility model is in conjunction with the actual conditions of Mini nutritionalassessment engineer operation, arranges multiple precipitation sump 13 in Mini nutritionalassessment surrounding, plays three beneficial effects; First buffer action, because simple dumping site does not all do bottom and slope seepage control, in aerobe reactor 1 implementation process, by the synergy of multiple precipitation sump 13, the object by Mini nutritionalassessment and surrounding soil and underground water isolation can be played; Its two be collect percolate; It three is lowerings of watertable, for follow-up Mini nutritionalassessment excavation and repairing work is prepared;
4. by regulating air Injection amount, temperature and humidity, for the microorganism in aerobe reactor 1 creates optimum activity condition;
5. the utility model is by the feedback model of online detection instrument, automatically regulates aerobe reactor 1 to be in different running statuses, can be suitable for the different phase of different Simple Landfill Site and same Mini nutritionalassessment.
Accompanying drawing explanation
A kind of Mini nutritionalassessment aerobe reactor of Fig. 1 treatment system figure; Wherein, 1-aerobe reactor; 2-anchoring groove; 3-cover layer; 4-gas injection well; 5-extraction well; 6-extraction well; 7-pump-line; 8-circulating fan; 9-deduster; 10-air exhauster; 11-odor removal; 12-aiutage; 13-torch; 14-backflow device; 15-advises landfill yard engineering boundary; 16-pump-line; 17-on-line detector; 18-heater; V1 ~ v7: valve 1 ~ 7.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, detailed description of the invention of the present utility model is further described:
Embodiment 1
A kind of Mini nutritionalassessment aerobe reactor treatment system described in the utility model, by aerobe reactor 1, circulating fan 8, deduster 9, air exhauster 10, odor removal 11, aiutage 12, torch 13, heater 18 forms, circulating fan 8 is connected with aerobe reactor with pump-line 7 by gas injecting pipe 6, the outlet that heater 18 is positioned at the outlet deduster 9 of circulating fan 8 is connected with circulating fan 8 and blower fan 10 of bleeding with valve v3 respectively by valve v2, the outlet of blower fan 10 of bleeding is connected with odor removal 11 and torch 13 with valve v5 respectively by valve v4, odor removal 11 is connected with aiutage 12.Described aerobe reactor 1 is made up of anchoring groove 2, cover layer 3, gas injection well 4, extraction well 5, precipitation sump 13, backflow device 14, Mini nutritionalassessment engineering boundary 15, Mini nutritionalassessment flat surface 16, on-line detector 17.
For a floor space 20,000 squares, the Mini nutritionalassessment that garbage loading embeading depth-averaged is 10 meters, concrete steps during enforcement are as follows:
(1) first, Mini nutritionalassessment is carried out explore, detect rubbish, underground water, landfill gas etc. are hot, by data determination Mini nutritionalassessment engineering boundaries such as geology, house refuse, soil, underground water; To the surface bull-dozer of landfill yard carry out smooth, steeper side slope is repaired; On surface, landfill yard field with spacing 25m, the drilling well point of design rhombus, then digs a well, stringing, and after waiting the good pipeline of cloth, at surface soldered HDPE film, HDPE film is fixed by anchoring groove in the surrounding in soot, in inside by fixing with steam injection well and extraction well; According to level of ground water and geological condition, arrange 4 ~ 6 precipitation sumps in surrounding; Install miscellaneous equipment and device.
Etc. (2) after equipment installs, open valve v1, valve v3, valve v5, valve v6, valve v7, valve-off v2, valve v4, unlatching deduster 9, air exhauster 10, torch 13, on-line computing model 17, extract the landfill gas of Mini nutritionalassessment inside, through torch 13 discharged in burning, after torch extinguishes, continue to bleed, this process approximately continues 3 ~ 5 days, and 24 hours every days took out continuously;
When methane concentration in the landfill gas fed back by on-line computing model 17 lower than 2% time, opening valve v4(keeps valve v1, valve v3, valve v6, valve v7 to open), valve-off v5(keeps valve v2 to close), ON cycle blower fan 8, odor removal 11(keep deduster 9, air exhauster 10, on-line detector 17 to open), close torch 13, the waste gas that aerobic reaction produces is after dedusting and deodorizing, discharged in order by aiutage 12, odor removal selects biological deodorizing, after system debug to normal operation, the odor concentration of control discharge gas is lower than 20ppm;
When methane concentration in gas is lower than 1000ppm, closedown bleed blower fan 10, odor removal 11(keep torch 13 close, circulating fan 8, deduster 9, on-line detector 17 is kept to open), open that valve v2(keeps valve v1, valve v6, valve v7 open), valve-off v3, valve v4(keep valve v5 to close), the waste gas that aerobic reaction produces is recycled and injects rubbish inside after dedusting, regulate circulating fan outlet air temperature at 40 ~ 60 DEG C, regulate backflow device, the sewage extracted out is returned be sprayed onto below HDPE film by precipitation sump.Along with the increase of air cycle-index, the oxygen concentration in air declines, odor concentration increases, and is unfavorable for the procreation of aerobe bacterium, is switched in time " state two ", rule of thumb, approximately runs " state three " 12 hours, then runs " state two " 3 hours.
(3) continue above process after 3 months, according to actual conditions, get inner more than three the rubbish samples of refuse landfill, detect it, if the content of organic matter is lower than 8%, this refuse landfill visual tends towards stability substantially.
Claims (4)
1. a Mini nutritionalassessment aerobe reactor treatment system, is characterized in that, this system is by aerobe reactor (1), circulating fan (8), deduster (9), air exhauster (10), odor removal (11), aiutage (12), torch (13), heater (18) forms, circulating fan (8) is connected with aerobe reactor (1) with pump-line (7) by gas injecting pipe (6), heater (18) is positioned at the outlet of circulating fan (8), the outlet of deduster (9) is connected with circulating fan (8) and blower fan of bleeding (10) with valve (v3) respectively by valve (v2), the outlet of blower fan (10) of bleeding is connected with odor removal (11) and torch (13) with valve (v5) respectively by valve (v4), odor removal (11) is connected with aiutage (12), described aerobe reactor (1) is by anchoring groove (2), cover layer (3), gas injection well (4), extraction well (5), precipitation sump (13), backflow device (14), Mini nutritionalassessment engineering boundary (15), Mini nutritionalassessment flat surface (16), on-line detector (17) is formed, and described precipitation sump (13) is arranged in the surrounding in the place of landfill yard, and the degree of depth determines according to the position of level of ground water.
2. a kind of Mini nutritionalassessment aerobe reactor treatment system according to claim 1, it is characterized in that described cover layer is HDPE(high density polyethylene (HDPE)) composite membrane of film and geotextiles, HDPE film is density polyethylene film with high, lower floor is geotextiles upper strata is HDPE film, also can be levels be geotextiles, intermediate layer be the composite membrane of HDPE film composition; The thickness of cover layer is 0.5mm ~ 2mm; Cover layer is welded into entirety, and size is 5000 ~ 20000 squares.
3. a kind of Mini nutritionalassessment aerobe reactor treatment system according to claim 1, it is characterized in that the vertical shaft that described gas injection well (4) and extraction well (5) are dug for vertical drill, vertical shaft distribution density is 20 ~ 30m, vertical shaft diameter 300mm ~ 1000mm, degree of depth 3m ~ 10m, bottom is higher than Mini nutritionalassessment engineering boundary (15) 0.5m, gas injecting pipe (6) in gas injection well (4) and extraction well (5) and pump-line (7) diameter 200mm ~ 500mm, the hole of uniform diameter 10mm ~ 20mm on duct wall, hole center distance 100mm ~ 300mm, tube wall wraps up the geotextiles that one deck 1 ~ 2mm is thick, directly fill by landfill waste between geotextiles and vertical shaft.
4. a kind of Mini nutritionalassessment aerobe reactor treatment system according to claim 1, it is characterized in that described precipitation sump (13) degree of depth determines according to the position of level of ground water, when level of ground water is lower than Mini nutritionalassessment engineering boundary (15), the bottom of precipitation sump (13) is lower than gas injection well (4) and extraction well (5) bottom 1m; But when level of ground water is higher than Mini nutritionalassessment engineering boundary (15), the bottom of precipitation sump (13) is lower than Mini nutritionalassessment engineering boundary (15) bottom 1m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520220469.6U CN204769817U (en) | 2015-04-14 | 2015-04-14 | Simple and easy good oxygen bioreactor processing system of landfill yard |
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| CN201520220469.6U CN204769817U (en) | 2015-04-14 | 2015-04-14 | Simple and easy good oxygen bioreactor processing system of landfill yard |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216343A (en) * | 2016-07-20 | 2016-12-14 | 南通天蓝环保能源成套设备有限公司 | A kind of rubbish landfill gas guide system |
| CN108160657A (en) * | 2017-12-26 | 2018-06-15 | 南京万德斯环保科技股份有限公司 | A kind of high-moisture percentage consumer waste landfill percolate original place dystopy processing unit |
| CN108534156A (en) * | 2018-05-15 | 2018-09-14 | 深圳市环境工程科学技术中心有限公司 | Refuse landfill fills closed stench processing system and its processing method |
| CN111495918A (en) * | 2020-04-13 | 2020-08-07 | 中国科学院武汉岩土力学研究所 | Landfill cluster well gas injection regulation and control method |
| CN114653731A (en) * | 2022-02-18 | 2022-06-24 | 启迪环境科技发展股份有限公司 | Aeration method for rapid fermentation of pile in garbage storage pit |
-
2015
- 2015-04-14 CN CN201520220469.6U patent/CN204769817U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216343A (en) * | 2016-07-20 | 2016-12-14 | 南通天蓝环保能源成套设备有限公司 | A kind of rubbish landfill gas guide system |
| CN108160657A (en) * | 2017-12-26 | 2018-06-15 | 南京万德斯环保科技股份有限公司 | A kind of high-moisture percentage consumer waste landfill percolate original place dystopy processing unit |
| CN108534156A (en) * | 2018-05-15 | 2018-09-14 | 深圳市环境工程科学技术中心有限公司 | Refuse landfill fills closed stench processing system and its processing method |
| CN108534156B (en) * | 2018-05-15 | 2024-04-09 | 深圳市环境工程科学技术中心有限公司 | Landfill closed odor treatment system and treatment method thereof |
| CN111495918A (en) * | 2020-04-13 | 2020-08-07 | 中国科学院武汉岩土力学研究所 | Landfill cluster well gas injection regulation and control method |
| CN111495918B (en) * | 2020-04-13 | 2021-08-24 | 中国科学院武汉岩土力学研究所 | Landfill cluster well gas injection regulation and control method |
| CN114653731A (en) * | 2022-02-18 | 2022-06-24 | 启迪环境科技发展股份有限公司 | Aeration method for rapid fermentation of pile in garbage storage pit |
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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 |
Granted publication date: 20151118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |