CN109516555A - A kind of anaerobic reactor and its application method for strengthening sediment outflow effect for landfill leachate treatment - Google Patents
A kind of anaerobic reactor and its application method for strengthening sediment outflow effect for landfill leachate treatment Download PDFInfo
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- CN109516555A CN109516555A CN201910002282.1A CN201910002282A CN109516555A CN 109516555 A CN109516555 A CN 109516555A CN 201910002282 A CN201910002282 A CN 201910002282A CN 109516555 A CN109516555 A CN 109516555A
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- 230000000694 effects Effects 0.000 title claims abstract description 19
- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000013049 sediment Substances 0.000 title claims abstract description 12
- 238000005728 strengthening Methods 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 238000006243 chemical reaction Methods 0.000 claims abstract description 65
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims abstract description 3
- 239000010802 sludge Substances 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of anaerobic reactors and its application method for strengthening sediment outflow effect for landfill leachate treatment, including anaerobic reactor tank body, the anaerobic reactor tank body is divided into top reaction zone and lower reaction zone, it further include three phase separator, level-one gas-liquid separator, second level gas-liquid separator and biogas pipe, the three phase separator includes higher level's three phase separator and junior's three phase separator, collecting methane after higher level's three phase separator and the separation of junior's three phase separator is to level-one gas-liquid separator, biogas is after level-one gas-liquid separator gas-liquid separation, moisture flows back into lower reaction zone by down-comer, biogas enters second level gas-liquid separator and carries out secondary gas-liquid separation, the decline of biogas moisture content, the moisture of secondary gas-liquid separation returns to top reaction zone by the return pipe of second level gas-liquid separator.The present invention improves gas-liquid separation efficiency, reduces the moisture content of biogas, prevents sediment deposition from blocking orifice plate, guarantees the effect of eddy flow water distribution.
Description
Technical field
The present invention relates to produce the sewage treatment equipment field of biogas more particularly to a kind of for the strong of landfill leachate treatment
Change the anaerobic reactor and its application method of sediment outflow effect.
Background technique
Publication No. CN201722261U utility model patent proposes a kind of having up and down for landfill leachate treatment
The anaerobic reaction device of two-stage three phase separator enhances collecting methane ability, enhance recycle in anaerobic reaction device into
Row, interior internal circulating load can achieve 5-10 times of inflow.Anaerobic reaction device water flow upflow velocity is higher, in higher upflow velocity
Under conditions of (6m/h-12m/h), can effectively maintain the concentration of granule sludge, improve sewage treating efficiency, maintain anaerobism thin
Best living environment required for bacterium.The utility model has high stability in terms of the landfill leachate of processing high concentration, high
The advantages of load.
Publication No. CN100376492C patent of invention, propose it is a kind of produce biogas emission-control equipment and the device used in
Self-circulating anaerobic reactor, core self-circulating anaerobic reactor by about two be overlapped anaerobic reaction area be composed in series,
A gas-solid-liquid three phase separator is respectively arranged in two reaction zones top, and the reaction zone of lower part is in extreme high load capacity, top
Reaction zone be in underload, three phase separator can voluntarily separate sedimentation Returning reactor main body to sludge and collect natural pond respectively
Gas, inside reactor are capable of forming liquid self circulation, reinforce the mass transport process of organic matter and granule sludge, and processing capacity obtains
Improve, occupied area is small, can handle high concentrated organic wastewater and can generate bioenergy -- biogas.
However, one kind that above-mentioned two patent is proposed just for the structure of the traditional UASB anaerobic reactor of wastewater treatment
The concatenated new structure of anaerobic reaction area, that there are still biogas is aqueous during percolate handles actual implementation for the anaerobic reactor
Amount is high.
Firstly, concatenated anaerobic reactor mass-transfer efficiency improves, biogas output increases, and the increasing of vapour quantity is carried with biogas
Greatly.
Secondly, carrying out of recycling in anaerobic reaction device increases upflow velocity, biogas is increased by gas-solid-liquid three
The speed of phase separator, steam have little time to settle Returning reactor main body.
Again, the biogas collection device that two layers of three phase separator is constituted enhances collecting methane ability, while also having collected
A large amount of steam increase the moisture content of biogas.
The biogas for finally inevitably resulting in high efficiency anaerobic reactor generation carries a large amount of steam, increases the later period
The difficulty of biogas dehydration resource utilization.
And the anaerobic reactor that above-mentioned patent is related to, bottom water-distributing device are positive conical bottom board, are not easy to arrange there are silt particle
Out the problem of.
Summary of the invention
Biogas moisture content height is produced for existing anaerobic reactor and produces the deficiency that silt particle easily deposits, and the present invention provides a kind of use
In the anaerobic reactor and its application method for strengthening sediment outflow effect of landfill leachate treatment.
In order to solve the above problem, solution of the invention is a kind of reinforcing sediment outflow effect for landfill leachate treatment
Anaerobic reactor, including anaerobic reactor tank body, the anaerobic reactor tank body be divided into top reaction zone and lower reaction zone,
It further include three phase separator, level-one gas-liquid separator, second level gas-liquid separator and biogas pipe；
Level-one gas-liquid separator bottom is provided with down-comer, and the level-one gas-liquid separator passes through down-comer and lower part
Reaction zone connection；
Second level gas-liquid separator bottom is provided with return pipe, and the second level gas-liquid separator passes through return pipe and top
Reaction zone connection；
The three phase separator includes higher level's three phase separator and junior's three phase separator, higher level's three phase separator peace
Mounted in top reaction zone, junior's three phase separator is mounted on lower reaction zone；
The biogas pipe includes higher level's three phase separator collecting methane pipe, junior's three phase separator collecting methane pipe and exhaust
Biogas pipe；
Higher level's three phase separator and junior's three phase separator pass through respectively higher level's three phase separator collecting methane pipe and
Junior's three phase separator collecting methane pipe is connected to level-one gas-liquid separator, through higher level's three phase separator and junior's three phase separator
Collecting methane after separation is to the level-one gas-liquid separator, and biogas is after level-one gas-liquid separator gas-liquid separation, moisture warp
It crosses down-comer and flows back into lower reaction zone, biogas enters second level gas-liquid separator and carries out secondary gas-liquid separation, under biogas moisture content
The moisture of drop, secondary gas-liquid separation returns to top reaction zone by the return pipe of second level gas-liquid separator.
As an improvement, the anaerobic reactor is additionally provided with back taper eddy flow water distribution bottom plate, the back taper eddy flow water distribution
Bottom plate can make Distribution of sludge curve gentle, and sludge is evenly distributed in height, and traditional water-distributing device is avoided dead zone and ditch occur
Stream.
As a further improvement, the anaerobic reactor is additionally provided with silt particle collection device, due to back taper eddy flow cloth
Water-bed plate is back taper bottom plate, enhances the entrained gravel of anaerobic reactor discharge water inlet and reaction generates the effect of silt particle.
As a further improvement, the anaerobic reactor is additionally provided with circulation pipe, and the circulation pipe is used for anaerobic reaction
The water inlet and self-loopa of device, improve the upflow velocity of anaerobic system, and mass-transfer efficiency reinforces the process of biological respinse.
As a further improvement, the anaerobic reactor is additionally provided with steam pipe, the temperature control for anaerobic reactor
System adjusts the dosage of steam by online thermometer.
As a further improvement, the anaerobic reactor is additionally provided with the safe evacuated tube of biogas, is used for anaerobic reactor
The biogas of tank body empties and maintenance emptying.
As a further improvement, the anaerobic reactor is additionally provided with foul smell pipe, and the anaerobic reactor generates smelly
Gas is collected by foul smell pipe.
As a further improvement, the anaerobic reactor is additionally provided with outlet pipe, and treated that waste water is logical for anaerobic reaction
The outlet pipe is crossed into next processing unit.
It as a further improvement, further include steel platform winding staircase guardrail and maintenance door.
A kind of application method of the anaerobic reactor for strengthening sediment outflow effect for landfill leachate treatment, comprising:
Step 1: the biogas that the lower reaction zone of anaerobic reactor tank body and top reaction zone generate passes through higher level three respectively
Phase separator and junior's three phase separator carry out gas-solid-liquid three phase separation；
Step 2: being received by higher level's three phase separator collecting methane pipe and junior's three phase separator collecting methane pipe (802)
Collection biogas to level-one gas-liquid separator is dehydrated for the first time, and the lower part that the moisture of removing returns to anaerobic reactor tank body via down-comer is anti-
Answer area；
Step 3: through the biogas of level-one gas-liquid separator gas-liquid separation after second level gas-liquid separator is dehydrated again by arranging
The discharge of gas biogas pipe；
Step 4: anaerobic reaction treated waste water enters next processing unit by outlet pipe；
Step 5: the sludge that anaerobic reactor operation a period of time generates collects with back taper eddy flow water distribution bottom plate, pass through
The discharge of silt particle collection device；
Step 6: the temperature of anaerobic reactor is adjusted by steam pipe, the water inlet and self-loopa of anaerobic reactor are by recycling
Pipe is realized；
Step 7: opening safe evacuated tube and maintenance door when maintenance, when biogas has little time processing, safety emptying is opened
Pipe carries out discharge biogas, and the foul smell that anaerobic reactor generates is collected by foul smell pipe, and steel platform winding staircase guardrail daily maintenance is maked an inspection tour
With.
From the above, it can be seen that the invention has the following advantages that
1, self-circulating anaerobic reactor of the present invention is by upper and lower two-stage three phase separator and two gas-liquid separators and inversion
Eddy flow water distribution bottom plate composition, lower reaction zone is in extreme higher load condition, and top reaction zone is in low load condition, two
A gas-solid-liquid three phase separator is respectively arranged in a reaction zone top, can voluntarily separate the good sludge of sedimentation or granule sludge
Sedimentation, and biogas is collected respectively, it is not required to separately set precipitation separation device, auxiliary degasser and returned sludge equipment, simplifies work
Skill has saved investment and operating cost；
2, the biogas that upper and lower two-stage three phase separator is collected is by level-one gas-liquid separator, and first to separate, moisture is by heavy
Drop pipe flows back into lower reaction zone, and biogas enters second level gas-liquid separator and carries out gas-liquid separation again, and isolated moisture passes through two
The return pipe of grade gas-liquid separator bottom returns to top reaction zone, effectively reduces biogas moisture content；
3, eddy flow water distribution bottom plate is inverted, and silt particle, which collects, to be easy to be discharged by sludge drainage system, and eddy flow water distribution orifice plate is avoided to block,
Guarantee water distribution effect, so that inside reactor is capable of forming high inner recirculation flow speed, makes the mass transfer mistake of organic matter and granule sludge
Cheng Jiaqiang, thus organic loading with higher and higher upflow velocity, the processing capacity and efficiency of reactor are improved.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is anaerobic reactor tube wall expanded view of the present invention；
Fig. 3 is top view of the invention；
Appended drawing reference: 1, anaerobic reactor tank body, 2, three phase separator, 3, level-one gas-liquid separator, 4, second level gas-liquid point
From device, 5, steam pipe, 6, foul smell pipe, 7, outlet pipe, 8, biogas pipe, 9, circulation pipe, 10, down-comer, 11, safe evacuated tube, 12,
Silt particle collection device, 13, steel platform winding staircase guardrail, 14, maintenance door, 15, back taper eddy flow water distribution bottom plate, 16, return pipe；
201, higher level's three phase separator, 202, junior's three phase separator；
801, higher level's three phase separator collecting methane pipe, 802, junior's three phase separator collecting methane pipe, 803, exhaust natural pond
Tracheae.
Specific embodiment
In conjunction with Fig. 1-Fig. 3, first specific embodiment that the present invention will be described in detail, but claim of the invention is not done
Any restriction.
As shown in Figure 1-Figure 3, a kind of to strengthen the anaerobic reactor of sediment outflow effect for landfill leachate treatment, including detest
Oxygen reactor tank body 1, the anaerobic reactor tank body 1 divide for top reaction zone and lower reaction zone, further include three phase separator
2, level-one gas-liquid separator 3, second level gas-liquid separator 4 and biogas pipe 8；
3 bottom of level-one gas-liquid separator is provided with down-comer 10, and the level-one gas-liquid separator 3 passes through down-comer 10
It is connected to lower reaction zone；
4 bottom of second level gas-liquid separator is provided with return pipe 16, and the second level gas-liquid separator 4 passes through return pipe 16
It is connected to top reaction zone；
The three phase separator 2 includes higher level's three phase separator 201 and junior's three phase separator 202, higher level's three-phase
Separator 201 is mounted on top reaction zone, and junior's three phase separator 202 is mounted on lower reaction zone；
The biogas pipe 8 includes higher level's three phase separator collecting methane pipe 801, junior's three phase separator collecting methane pipe
802 and exhaust biogas pipe 803；
Higher level's three phase separator 201 and junior's three phase separator 202 are received by higher level's three phase separator biogas respectively
Collector 801 and junior's three phase separator collecting methane pipe 802 are connected to level-one gas-liquid separator 3, through higher level's three phase separator 201
For collecting methane after separating with junior three phase separator 202 to the level-one gas-liquid separator 3, biogas passes through level-one gas-liquid separation
After 3 gas-liquid separation of device, moisture flows back into lower reaction zone by down-comer 10, and biogas enters second level gas-liquid separator 4 and carries out two
The moisture of secondary gas-liquid separation, the decline of biogas moisture content, secondary gas-liquid separation is returned to by the return pipe 16 of second level gas-liquid separator 4
Top reaction zone.
More specifically, the anaerobic reactor is additionally provided with back taper eddy flow water distribution bottom plate 15, the back taper eddy flow cloth
Water-bed plate 15 can make Distribution of sludge curve gentle, and sludge is evenly distributed in height, and traditional water-distributing device is avoided dead zone occur
And channel.
More specifically, the anaerobic reactor is additionally provided with silt particle collection device 12, due to back taper eddy flow water distribution bottom plate
15 be back taper bottom plate, enhances the entrained gravel of anaerobic reactor discharge water inlet and reaction generates the effect of silt particle.
More specifically, the anaerobic reactor is additionally provided with circulation pipe 9, the circulation pipe 9 for anaerobic reactor into
Water and self-loopa, improve the upflow velocity of anaerobic system, and mass-transfer efficiency reinforces the process of biological respinse.
More specifically, the anaerobic reactor is additionally provided with steam pipe 5, the temperature for anaerobic reactor is controlled, and is passed through
Online thermometer adjusts the dosage of steam.
More specifically, the anaerobic reactor is additionally provided with the safe evacuated tube 11 of biogas, for anaerobic reactor tank body 1
Biogas emptying and maintenance emptying.
More specifically, the anaerobic reactor is additionally provided with foul smell pipe 6, the foul smell that the anaerobic reactor generates passes through smelly
Tracheae 6 is collected.
More specifically, the anaerobic reactor is additionally provided with outlet pipe 7, anaerobic reaction treated waste water by it is described go out
Water pipe 7 enters next processing unit.
More specifically, further including steel platform winding staircase guardrail 13 and maintenance door 14.
A kind of application method of the anaerobic reactor for strengthening sediment outflow effect for landfill leachate treatment, comprising:
Step 1: the biogas that the lower reaction zone of anaerobic reactor tank body 1 and top reaction zone generate passes through higher level respectively
Three phase separator 201 and junior's three phase separator 202 carry out gas-solid-liquid three phase separation；
Step 2: being received by higher level's three phase separator collecting methane pipe 801 and junior's three phase separator collecting methane pipe 802
Collect biogas and be dehydrated for the first time to level-one gas-liquid separator 3, the moisture of removing returns under anaerobic reactor tank body 1 via down-comer 10
Portion's reaction zone；
Step 3: through the biogas of 3 gas-liquid separation of level-one gas-liquid separator after second level gas-liquid separator 4 is dehydrated again by
Biogas pipe 803 is vented to be discharged；
Step 4: anaerobic reaction treated waste water enters next processing unit by outlet pipe 7；
Step 5: the sludge that anaerobic reactor operation a period of time generates collects with back taper eddy flow water distribution bottom plate 15, lead to
Cross the discharge of silt particle collection device 12；
Step 6: the temperature of anaerobic reactor is adjusted by steam pipe 5, the water inlet and self-loopa of anaerobic reactor are by recycling
Pipe 9 is realized；
Step 7: opening safe evacuated tube 11 and maintenance door 14 when maintenance, when biogas has little time processing, safety is opened
Evacuated tube 11 carries out discharge biogas, and the foul smell that anaerobic reactor generates is collected by foul smell pipe 6, and steel platform winding staircase guardrail 13 is daily
Maintenance, which is maked an inspection tour, to be used.
More specifically, anaerobic reactor volume is 8L-2000m3, ratio of height to diameter H:D is 15:1-5:1, and material is glass steel or steel
Iron, upper and lower opening are connected with steel flange.
More specifically, the vertically-mounted placement of anaerobic reactor, pedestal are fixed by nut, outer wall is fixed by waist hoop, top
End passes through nut seal by stainless steel sealing cover.
More specifically, 3 volume of level-one gas-liquid separator is 35L-50m3, material is glass steel or steel；Second level gas-liquid separation
4 volume of device is 15L-30m3, material is glass steel or steel.
In conclusion the invention has the following advantages that
1, self-circulating anaerobic reactor of the present invention is by upper and lower two-stage three phase separator and two gas-liquid separators and inversion
Eddy flow water distribution bottom plate composition, lower reaction zone is in extreme higher load condition, and top reaction zone is in low load condition, two
A gas-solid-liquid three phase separator is respectively arranged in a reaction zone top, can voluntarily separate the good sludge of sedimentation or granule sludge
Sedimentation, and biogas is collected respectively, it is not required to separately set precipitation separation device, auxiliary degasser and returned sludge equipment, simplifies work
Skill has saved investment and operating cost.
2, the biogas that upper and lower two-stage three phase separator is collected is by level-one gas-liquid separator, and first to separate, moisture is by heavy
Drop pipe flows back into lower reaction zone, and biogas enters second level gas-liquid separator and carries out gas-liquid separation again, and isolated moisture passes through two
The return pipe of grade gas-liquid separator bottom returns to top reaction zone, effectively reduces biogas moisture content.
3, eddy flow water distribution bottom plate is inverted, and silt particle, which collects, to be easy to be discharged by sludge drainage system, and eddy flow water distribution orifice plate is avoided to block,
Guarantee water distribution effect, so that inside reactor is capable of forming high inner recirculation flow speed, makes the mass transfer mistake of organic matter and granule sludge
Cheng Jiaqiang, thus organic loading with higher and higher upflow velocity, the processing capacity and efficiency of reactor are improved.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, it is limited not departing from claim
In the case where fixed spirit and scope, it can modify to the present invention or equivalent replacement, to reach identical technical effect, but
All within protection scope of the present invention.
Claims (10)
1. a kind of anaerobic reactor for strengthening sediment outflow effect for landfill leachate treatment, including anaerobic reactor tank body (1),
The anaerobic reactor tank body (1) is divided into top reaction zone and lower reaction zone, it is characterised in that: further includes three phase separator
(2), level-one gas-liquid separator (3), second level gas-liquid separator (4) and biogas pipe (8)；
Level-one gas-liquid separator (3) bottom is provided with down-comer (10), and the level-one gas-liquid separator (3) passes through down-comer
(10) it is connected to lower reaction zone；
Second level gas-liquid separator (4) bottom is provided with return pipe (16), and the second level gas-liquid separator (4) passes through return pipe
(16) it is connected to top reaction zone；
The three phase separator (2) includes higher level's three phase separator (201) and junior's three phase separator (202), the higher level three
Phase separator (201) is mounted on top reaction zone, and junior's three phase separator (202) is mounted on lower reaction zone；
The biogas pipe (8) includes higher level's three phase separator collecting methane pipe (801), junior's three phase separator collecting methane pipe
(802) and biogas pipe (803) are vented；
Higher level's three phase separator (201) and junior's three phase separator (202) are received by higher level's three phase separator biogas respectively
Collector (801) and junior's three phase separator collecting methane pipe (802) are connected to level-one gas-liquid separator (3), through higher level's three-phase separate
From the collecting methane after device (201) and junior's three phase separator (202) separation to the level-one gas-liquid separator (3), biogas warp
After crossing level-one gas-liquid separator (3) gas-liquid separation, moisture flows back into lower reaction zone by down-comer (10), and biogas enters second level
Gas-liquid separator (4) carries out secondary gas-liquid separation, and the decline of biogas moisture content, the moisture of secondary gas-liquid separation is by second level gas-liquid point
Return pipe (16) from device (4) returns to top reaction zone.
2. anaerobic reactor according to claim 1, it is characterised in that: the anaerobic reactor is additionally provided with back taper rotation
It spreads water-bed plate (15), the back taper eddy flow water distribution bottom plate (15) can make Distribution of sludge curve gentle, and sludge is in height
It is evenly distributed, traditional water-distributing device is avoided dead zone and channel occur.
3. anaerobic reactor according to claim 2, it is characterised in that: the anaerobic reactor is additionally provided with silt particle collection
Device (12) enhances anaerobic reactor discharge water inlet and is taken since back taper eddy flow water distribution bottom plate (15) is back taper bottom plate
The effect of silt particle is generated with gravel and reaction.
4. anaerobic reactor according to claim 3, it is characterised in that: the anaerobic reactor is additionally provided with circulation pipe
(9), the circulation pipe (9) is used for the water inlet and self-loopa of anaerobic reactor, improves the upflow velocity of anaerobic system, mass transfer effect
Rate reinforces the process of biological respinse.
5. anaerobic reactor according to claim 4, it is characterised in that: the anaerobic reactor is additionally provided with steam pipe
(5), it is controlled for the temperature of anaerobic reactor, the dosage of steam is adjusted by online thermometer.
6. anaerobic reactor according to claim 5, it is characterised in that: the anaerobic reactor is additionally provided with biogas safety
Evacuated tube (11), biogas emptying and maintenance emptying for anaerobic reactor tank body (1).
7. anaerobic reactor according to claim 6, it is characterised in that: the anaerobic reactor is additionally provided with foul smell pipe
(6), the foul smell that the anaerobic reactor generates is collected by foul smell pipe (6).
8. anaerobic reactor according to claim 7, it is characterised in that: the anaerobic reactor is additionally provided with outlet pipe
(7), anaerobic reaction treated waste water enters next processing unit by the outlet pipe (7).
9. anaerobic reactor according to claim 8, it is characterised in that: further include steel platform winding staircase guardrail (13) and maintenance
Door (14).
10. a kind of application method of the anaerobic reactor for strengthening sediment outflow effect for landfill leachate treatment, it is characterised in that:
Use anaerobic reactor as claimed in claim 9, comprising:
Step 1: the biogas that the lower reaction zone of anaerobic reactor tank body (1) and top reaction zone generate passes through higher level three respectively
Phase separator (201) and junior's three phase separator (202) carry out gas-solid-liquid three phase separation；
Step 2: being received by higher level's three phase separator collecting methane pipe (801) and junior's three phase separator collecting methane pipe (802)
Collect biogas and be dehydrated for the first time to level-one gas-liquid separator (3), the moisture of removing returns to anaerobic reactor tank body via down-comer (10)
(1) lower reaction zone；
Step 3: through the biogas of level-one gas-liquid separator (3) gas-liquid separation after second level gas-liquid separator (4) is dehydrated again by
It is vented biogas pipe (803) discharge；
Step 4: anaerobic reaction treated waste water enters next processing unit by outlet pipe (7)；
Step 5: the sludge that anaerobic reactor operation a period of time generates collects with back taper eddy flow water distribution bottom plate (15), pass through
Silt particle collection device (12) discharge；
Step 6: the temperature of anaerobic reactor is adjusted by steam pipe (5), the water inlet and self-loopa of anaerobic reactor are by circulation pipe
(9) it realizes；
Step 7: opening safe evacuated tube (11) and maintenance door (14) when maintenance, when biogas has little time processing, safety is opened
Evacuated tube (11) carries out discharge biogas, and the foul smell that anaerobic reactor generates is collected by foul smell pipe (6), steel platform winding staircase guardrail
(13) daily maintenance, which is maked an inspection tour, uses.
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| CN110951606A (en) * | 2019-11-19 | 2020-04-03 | 无锡马盛环境能源科技有限公司 | Methane-producing anaerobic reactor and process for treating kitchen slurry |
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Application publication date: 20190326 |