CN201117152Y - Segmented domestic refuse ecological burying simulator - Google Patents
Segmented domestic refuse ecological burying simulator Download PDFInfo
- Publication number
- CN201117152Y CN201117152Y CNU2007201919930U CN200720191993U CN201117152Y CN 201117152 Y CN201117152 Y CN 201117152Y CN U2007201919930 U CNU2007201919930 U CN U2007201919930U CN 200720191993 U CN200720191993 U CN 200720191993U CN 201117152 Y CN201117152 Y CN 201117152Y
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- Prior art keywords
- simulator
- reactor
- end reactor
- ecological
- burying
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000523 sample Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 238000002474 experimental method Methods 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 abstract description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 3
- 238000005325 percolation Methods 0.000 abstract 3
- 238000005273 aeration Methods 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000011835 investigation Methods 0.000 abstract 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000010841 municipal wastewater Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a segmented domestic refuse ecological filling simulator, which comprises an upper end reactor, a hollow column and a lower end reactor which are coaxially connected from the top to the bottom. The addition of the hollow column is beneficial for building good 'aerobic-anoxybiotic-anaerobic' environment in the whole simulator, natural aeration is realized when percolation liquid drops in the hollow column, the nitrated effect is intensified, and when the firedamp producing process is not affected, simultaneously, nitrogen is promoted to be removed from refuse dumps. The migration transformation of nitrogen forms and the change law of nitrogen circulatory function microorganism bacteria colony structures in the process that the percolation liquid is recharged are defined through operating the simulator, the filling simulator provides theoretical basis for practical engineering application, simultaneously, after the hollow column in the utility model is demounted, the upper end reactor and the lower end reactor can be assembled into common integral refuse ecological filling simulator each, and the filling simulator is used for developing refuse degrading investigation experiments in the process that the percolation liquid is recharged under the common condition and greatly extends the applying range of the simulator.
Description
Technical field
The utility model relates to a kind of sectional type consumer waste ecological burying simulating device, belongs to environmental technology field.
Background technology
Along with the raising of the urbanization and the resident living level of consumption, the generation of domestic waste grows with each passing day.Sanitary landfill is as a kind of final processing disposal options, and, reduced investment simple with its technology, the characteristics that treatment capacity is big, operating cost is low have obtained widespread use, are that one of the most frequently used method is disposed in domestic waste harmless treatment both at home and abroad at present.Yet, this technology also exposed day by day goes out its limitation, as take up an area of that big, difficult, the peripheral ecoscape of addressing destroys serious, stench and mosquitos and flies multiplies, the high-concentration hardly-degradable percolate that distinct issues are a large amount of complicated components of meeting generation in the landfill process the most, character is changeable, ammonia nitrogen in high density wherein is especially difficult.And aspect percolate processing disposal technology, the existing most refuse landfills of China lack special percolate and handle disposal facility, even the technical three grades of emission standards that also are primarily aimed at percolate high concentration COD, BOD of the landfill yard of these facilities are arranged, then still there is not the ability that solves percolate ammonia nitrogen in high density problem economically.According to reports, if make percolate water quality reach " household refuse landfill sites pollution control criterion " (GB16889-1997) ammonia nitrogen emission standard (25mg/L) of middle regulation, operating cost is all up to 30～45 yuan/ton, for domestic most garbage loading embeadings place is difficult to bear outside the venue.Thereby the percolate that contains ammonia nitrogen in high density in a large number mainly relies on to be received pipe dilution and enters the municipal wastewater pipe network and handle, and has directly caused pollutant transfer, water body eutrophication degree aggravation and municipal wastewater to handle serious problems such as cost of disposal increases substantially.
Be that the bio-reactor garbage loading embeading technology of feature has for garbage loading embeading heap body necessary moisture is provided with the leachate recirculation, promote aerogenesis and the stabilization of piling body, improve leachate quality, reduce characteristics such as percolate generation, caused domestic and international researcher's extensive concern, also existing part practical engineering application.Yet a large amount of researchs show that also because junk-heap body belongs to anaerobic environment, denitrification is obvious, but not good to the removal effect of ammonia nitrogen.For the flora structural change situation of the removal efficient, the migration transformation rule of verifying nitrogen in the leachate recirculation process and the denitrification microorganism that improve ammonia nitrogen, at present this a large amount of theoretical researches are carried out.These researchs utilize the home-made contrivance simulation to carry out mostly under laboratory environment.Common analogue means generally comprises rubbish loading system, leachate recirculation system, gas gathering system etc.Apparatus main body is the rubbish loading system, and is often cylindrical, adopts organic glass or PVC to make.For improving the junk-heap body anaerobic environment, promoting ammonia nitrogen removal, there is the scholar to propose in the original junk-heap body of analogue means, to set up ventilating system.So design can effectively increase the oxygen content in the junk-heap body, help the conversion of ammonia nitrogen, but also there is drawback in setting up of this system: junk-heap body ventilates, and is unfavorable for the growth of methanogen, has suppressed aerogenesis and heap body stabilization.In addition, be that the ambient temperature reduce the experimental provision run duration disturbs, the temperature difference influence that brings of seasonal variations especially manyly in the present research is put in analogue means in the constant temperature enclosure that temperature-controlling system is housed.But because the general volume of analogue means is little, be used for placing as building a constant temperature enclosure separately, capital construction and operating cost are higher; And as with the reactor of other class with being put in the constant temperature enclosure, then will produce the difference that different temperatures is selected between different reactor, what be unfavorable for studying carries out.
In sum as can be known, ecological burying The Application of Technology key is the removal problem that solves the percolate ammonia nitrogen in high density.Though organic degradation rule is verified in present laboratory theoretical research substantially, but fail also that the migration of nitrogen form transforms and Nitrogen Cycling functional microorganism flora diversity Changing Pattern in the clear and definite leachate recirculation process, can not provide theoretical foundation to practical engineering application.Therefore, to be suitable for the low and analogue means that be beneficial to ammonia nitrogen removal of the operating cost of laboratory study be the key point that addresses these problems in exploitation.
Summary of the invention
The purpose of this utility model provides a cover can move, help the percolate ammonia nitrogen removal under laboratory conditions consumer waste ecological burying simulating device.
Sectional type consumer waste ecological burying simulating device of the present utility model, the upper end reactor that comprises coaxial cable connection from top to bottom, open column and lower end reactor, on, the housing of lower end reactor has chuck respectively, in chuck, be provided with the fair water fin of spiral surrounding housing, chuck is provided with water inlet and water delivering orifice, water inlet is communicated with the hot water outlet pipe of temperature control system, the uniform aperture of base of upper end reactor, device ventilation and gas sampling valve on the top cover of upper end reactor, temp probe and tensimeter, shower nozzle is installed on top in the reactor of upper end, the bottom that reaches the upper end reactor below shower nozzle is provided with filtering layer respectively, top and bottom at the lower end reactor are provided with filtering layer respectively, on each reactor, the cavity that forms between the following filtering layer is the sanitary fill chamber, the below of each reactor is provided with the percolate sample tap that is communicated with cavity, the percolate sample tap links to each other with the leachate collection bucket through pipeline, the outlet of leachate collection bucket links to each other with shower nozzle through pump, offers the ventilating opening of plug with holes on the wall of open column.
Above-mentioned filtering layer can insert and put gravel bed by upper and lower two-layer stainless (steel) wire and constitute.
The utility model device is according to the ammonia nitrogen in high density in the biological denitrificaion principle removal percolate, the biological denitrificaion principle generally comprises nitrification and two steps of denitrification, promptly earlier under aerobic condition, ammonia nitrogen is changed into nitrous acid, nitrate by nitrobacteria, subsequently under anoxia condition further by the denitrifying bacterium effect, nitrate and nitrite are reduced into nitrogen, are discharged in the environment.The emphasis of bio-denitrification technology is finishing of nitrification, and the construction of aerobic environment is the key of reaction.Sectional type consumer waste ecological burying simulating device by two independently the open column of ecological burying analogue reactor and perforate all around form, be followed successively by " upper end reactor-open column-lower end reactor " from top to bottom.Load junk-heap body in the upper and lower end reactor, built anaerobic environment, realize denitrification when percolate is flowed in the heap body.The open column part that adds can realize ventilating and handle, and builds aerobic environment, after making leachate recirculation, the state of change oxygen lack behind process ground floor junk-heap body is realized natural reaeration, is finished nitrification when percolate is dripped in open column, promote the conversion of ammonia nitrogen.
The beneficial effects of the utility model are:
(1) this device has added the open column part between two reactors, can make whole device form good " aerobic-anoxic-anaerobism " environment, after making leachate recirculation, the state of change oxygen lack behind process ground floor junk-heap body, realize natural reaeration when percolate is dripped in open column, finish nitrification, promote the further removal of nitrogen in following one deck junk-heap body.In other experiments, be the way that promotes nitrification, perforate is ventilated in junk-heap body, this device has reduced the disturbance to biological community structure in the junk-heap body, especially methanogen is so also can guarantee to produce carrying out smoothly of methane process in the percolate denitrogenation.
(2) this device open column is flexible with being connected of two reactors, capable of being combined, detachable, when disassembling open column, two reactors can be assembled into common integral refuse ecological burying simulating device, are used for carrying out the Study on degradation experiment of leachate recirculation process rubbish under the normal state.Therefore the utility model device can be served different experimental designs, has expanded the scope of application of device greatly.
(3) this device reaction device main body peripheral hardware chuck, and connect the temperature adjusting system, and changed in the past to guaranteeing that reactor is in the way that isoperibol is positioned over a room separately, effectively saved the cost of creating isoperibol, maintenance management is convenient, and heat insulation effect is desirable more.
Description of drawings
Fig. 1 is the structural representation of sectional type consumer waste ecological burying simulating device
Embodiment
With reference to Fig. 1, sectional type consumer waste ecological burying simulating device of the present utility model comprises upper end reactor I, open column II and the lower end reactor III of coaxial cable connection from top to bottom, can directly adopt flange 15 to connect.The housing of upper end reactor I and lower end reactor III has chuck 17 respectively, is provided with the fair water fin 16 of spiral surrounding housing in chuck 17, can prevent in the chuck current inequality of being heated; Chuck 17 is provided with water inlet 3 and water delivering orifice 12, and water inlet 3 links to each other by water-supply-pipe with the hot water outlet of temperature control system 9; The base 19 uniform apertures of upper end reactor I, so that be seeped in the open column under the percolate, device ventilation and gas sampling valve 1, temp probe 2 and tensimeter 10 on the top cover 18 of upper end reactor I, shower nozzle 11 is installed on top in the reactor I of upper end, the bottom that reaches the upper end reactor below shower nozzle 11 is provided with filtering layer respectively, top and bottom at lower end reactor III also are provided with filtering layer respectively, and in the illustrated example, filtering layer inserts and puts gravel bed 4 by upper and lower two-layer stainless (steel) wire 5 and constitutes.The cavity that forms between the upper and lower filtering layer of each reactor is sanitary fill chamber 6, the below of each reactor is provided with the percolate sample tap 7 that is communicated with cavity, need for ease of percolate outflow and sampling, generally be symmetrical arranged two sample taps at same surface level.Percolate sample tap 7 links to each other with leachate collection bucket 13 through pipeline, and the outlet of leachate collection bucket 13 links to each other with shower nozzle 11 through pump 14; On the wall of open column II, offer the ventilating opening 8 of eight plugs with holes.In the legend, the ventilating opening extension on the cylinder, the epitaxial part front end is processed into screw-like, makes corresponding nut, and it is airtight to be used for cylinder.
During experiment, in the cavity of upper and lower end reactor, put into junk-heap body, utilize the temperature adjusting system in the reactor shell chuck, to feed hot water, and the current temperature constant in the control importing chuck is in the predefined value of experiment.Utilize pump that the percolate in the leachate collection bucket is regularly evenly watered to junk-heap body by shower nozzle, the speed of recharging can utilize pump to regulate.Regularly gather percolate according to predefined sample frequency, and carry out water analysis from the sample tap of reactor.When the open column ventilating opening is airtight, can be from the gas sampling mouth sample analysis gas componant and the concentration of top cover, also can be by gaseous tension and junk-heap body temperature in tensimeter and the temp probe monitoring reaction device.According to the experiment needs, but but also forced draft of open column ventilating opening natural ventilation is opened the stopple of open column ventilating opening, be the natural ventilation state.As desire further to improve nitrification, can adopt the forced draft measure, promptly at the external air-blast device in ventilating opening place.
Claims (2)
1. sectional type consumer waste ecological burying simulating device, it is characterized in that comprising the upper end reactor (I) of coaxial cable connection from top to bottom, open column (II) and lower end reactor (III), on, lower end reactor (I), (III) housing has chuck (17) respectively, in chuck (17), be provided with the fair water fin (16) of spiral surrounding housing, chuck (17) is provided with water inlet (3) and water delivering orifice (12), water inlet (3) is communicated with the hot water outlet pipe of temperature control system (9), the uniform aperture of base (19) of upper end reactor (I), the top cover (18) of upper end reactor (I) is gone up device ventilation and gas sampling valve (1), temp probe (2) and tensimeter (10), shower nozzle (11) is installed on top in the upper end reactor (I), in the below of shower nozzle (11) and the bottom of upper end reactor filtering layer is set respectively, top and bottom at lower end reactor (III) are provided with filtering layer respectively, on each reactor, the cavity that forms between the following filtering layer is sanitary fill chamber (6), the below of each reactor is provided with the percolate sample tap (7) that is communicated with cavity, percolate sample tap (7) links to each other with leachate collection bucket (13) through pipeline, the outlet of leachate collection bucket (13) links to each other with shower nozzle (11) through pump (14), offers the ventilating opening (8) of plug with holes on the wall of open column (II).
2. a kind of sectional type consumer waste ecological burying simulating device according to claim 1 is characterized in that said filtering layer inserts and puts gravel bed (4) by upper and lower two-layer stainless (steel) wire (5) and constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919930U CN201117152Y (en) | 2007-11-06 | 2007-11-06 | Segmented domestic refuse ecological burying simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919930U CN201117152Y (en) | 2007-11-06 | 2007-11-06 | Segmented domestic refuse ecological burying simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117152Y true CN201117152Y (en) | 2008-09-17 |
Family
ID=39991728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201919930U Expired - Lifetime CN201117152Y (en) | 2007-11-06 | 2007-11-06 | Segmented domestic refuse ecological burying simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201117152Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259173A (en) * | 2014-07-23 | 2015-01-07 | 浙江工商大学 | H2S endogenesis cutting-down method and device of quasi aerobic landfill |
| WO2017120688A1 (en) * | 2016-01-11 | 2017-07-20 | Edmundo Ganter Parga | Virtual module for an aerobic sequencing batch reactor |
| CN110357353A (en) * | 2019-07-11 | 2019-10-22 | 广东雅迪环保设备有限公司 | A kind of refuse landfill recharge system of imitation biochemistry |
-
2007
- 2007-11-06 CN CNU2007201919930U patent/CN201117152Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259173A (en) * | 2014-07-23 | 2015-01-07 | 浙江工商大学 | H2S endogenesis cutting-down method and device of quasi aerobic landfill |
| WO2017120688A1 (en) * | 2016-01-11 | 2017-07-20 | Edmundo Ganter Parga | Virtual module for an aerobic sequencing batch reactor |
| CN110357353A (en) * | 2019-07-11 | 2019-10-22 | 广东雅迪环保设备有限公司 | A kind of refuse landfill recharge system of imitation biochemistry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |