CN109482606A - A kind of air quantity self-balancing type foul smell collection method - Google Patents
A kind of air quantity self-balancing type foul smell collection method Download PDFInfo
- Publication number
- CN109482606A CN109482606A CN201811159447.8A CN201811159447A CN109482606A CN 109482606 A CN109482606 A CN 109482606A CN 201811159447 A CN201811159447 A CN 201811159447A CN 109482606 A CN109482606 A CN 109482606A
- Authority
- CN
- China
- Prior art keywords
- zone
- air
- anoxic zone
- foul smell
- aerobic zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004332 deodorization Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 10
- 241000894006 Bacteria Species 0.000 claims abstract description 7
- 230000004060 metabolic process Effects 0.000 claims abstract description 7
- 238000005276 aerator Methods 0.000 claims abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000013589 supplement Substances 0.000 description 7
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 sulphur hydrogen Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
Landscapes
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of air quantity self-balancing type foul smell collection methods, and this method includes: step 1, in aerobic zone and detesting the reserved venthole in anoxic zone partition wall top, be connected to its headspace；Step 2, the air that aerobic zone is entered by aerator, is partially utilized by bacteria metabolism, and another part air is collected into aerobic zone deodorization device by deodorization air hose after overflowing and is handled, and surplus air, which is then entered by venthole, detests anoxic zone head space；Step 3, detest anoxic zone deodorization device and handled into detesting the air of anoxic zone head space by deodorization air hose and be collected into.Method of the invention can largely reduce aerobic zone deodorization air quantity, low energy consumption under the premise of guaranteeing foul smell collection efficiency；Meanwhile according to the difference of stink odor, collects processing aerobic zone respectively and detest the foul gas of anoxic zone generation, it is with strong points.
Description
Technical field
The invention belongs to foul gas collection technique fields, are related to a kind of foul smell collection method, more particularly to a kind of air quantity
Self-balancing type foul smell collection method.
Background technique
Municipal sewage plant's biological reaction pool discharges such as hydrogen sulfide, ammonia, methyl mercaptan, first sulphur hydrogen, trimethylamine, first throughout the year
The foul gas such as thioether, methyl disulfide, carbon disulfide and styrene pollute surrounding enviroment, and factory group is particularly thorny, complain constantly, lead
Plot is caused to devalue, investment value is severely impacted, and collects how energy-efficiently and handles foul gas and has become for sewage
The new direction for the treatment of facility development.
For the requirement for meeting denitrogenation dephosphorizing, aerobic section is divided into biological reaction pool conventional treatment process and detests anoxic section, two
Partition wall is commonly used between section to separate, and to prevent stage-discharge to fluctuate, more than the pond body water surface sets up the superelevation of 0.5 ~ 1.0 m of meter.
In aerobic zone, air enters pond by aerator, however is influenced by resistance to mass tranfer, soluble in water or by water
The air that middle bacteria metabolism utilizes is few (less than 20%), and most of air permeable water surface enters aerobic zone head space.This portion
Gas is divided to require to be collected, or even in order to keep certain negative pressure to prevent foul smell excessive, according to " urban wastewater treatment firm is smelly
Gas disposal technical regulation CJJ/T243-2016 ", the deodorization air quantity of Air Exposure structures actual design generally presses aeration quantity
110% design, causes the deodorization air quantity of entire aerobic zone larger, fan energy consumption is higher.
Anoxic zone is being detested, due to needing to collect foul gas, reaction tank top by suction reaction tank headspace gas
Portion's cover board cannot be made into the form of being fully sealed, it would be desirable to be able to allow outside air to enter reaction tank head space by cover board, to supplement quilt
The foul gas taken away.But endless hermetically sealed cover board easily causes foul gas excessive, pollutes surrounding enviroment.In addition, detesting
Anoxic zone head space area is big, range is wide, and headspace gas mobility is weak, and conventional foul smell collection method generally requires at the top of pond
Even aperture arrangement collects air hose, causes air hose project amount huge and influences overall beautiful.
Since there are certain difference, aerobic zone and the foul gas for detesting anoxic zone generation for sewage quality and specific treatment process
Main component it is also not identical.The stink odor content of aerobic zone it is more be hydrogen sulfide (2 ~ 5mg/m3), methyl mercaptan (50 ~
110ug/m3) and compound fragrant hydrocarbon (300 ~ 500ug/m3), odor concentration (dimensionless) is lower, between 20,000 ~ 50,000；
And detesting anoxic zone stink odor is mainly hydrogen sulfide (40 ~ 120mg/m3), methyl mercaptan and compound fragrant hydrocarbon are less, remaining virtue
Fragrant hydrocarbon content is seldom, and odor concentration (dimensionless) is higher, is the main foul smell source in raw anti-pond up to 100,000 or more." stench is dirty
Dye object discharge standard " (GB14554) primary standard provide factory's circle standard value of hydrogen sulfide for 0.03mg/m3, odor concentration is (immeasurable
Guiding principle) it is 10.Control factory's boundary mark standard considers as strict as possible, to improve plant area's ambient atmosphere environment, the aerobic zone of reaction tank and detests anoxic zone
Deodorizing process facility is preferably set.
Therefore, organic combination, improve and aerobic zone and detest anoxic zone foul smell collection mode, develop a kind of air quantity self-balancing type and dislike
Odour collection method reduces energy consumption under the premise of guaranteeing foul smell collection efficiency as far as possible, has a very big significance.
Summary of the invention
It is an object of the invention to provide a kind of air quantity self-balancing type foul smell collection method, organic combination biological reaction pool is good
The foul smell of oxygen area and anaerobic zone is collected, and not only be can guarantee foul smell collection efficiency, is prevented foul smell excessive, but also can be reduced foul smell and be collected wind
Amount reduces energy consumption.
In order to achieve the above object, technical scheme is as follows: a kind of air quantity self-balancing type foul smell collection method, good
Oxygen area is disposed adjacent with anoxic zone is detested, and is equipped with partition wall between the two, and setting aerobic zone foul smell collecting pipe is become reconciled at the top of aerobic zone
Oxygen area deodorization device is detested to be equipped at the top of anoxic zone and detests anoxic zone foul smell collecting pipe and detest anoxic zone deodorization device, it is characterised in that
The foul smell collection method comprises the following steps:
Step 1, venthole is reserved with anoxic zone partition wall top is detested in aerobic zone, is connected to its headspace；
Step 2, the air of aerobic zone is entered by aerator, fraction is utilized by bacteria metabolism, the air of spilling
A part, which by aerobic zone is detested foul smell collecting pipe and is collected into after aerobic zone deodorization device is handled, to be discharged, and another part then leads to
It crosses venthole entrance and detests anoxic zone head space；
Step 3, anoxic zone deodorization dress is detested into detesting the air of anoxic zone head space and be collected by detesting anoxic zone foul smell collecting pipe
It sets and is discharged after being handled.
Further, detest and set seal cover board at the top of anoxic zone, it is excessive with odor-proof.
Further, the anoxic zone foul smell collecting pipe of detesting is evenly arranged in wind direction under air-flow along uprush direction.
In above-mentioned air quantity self-balancing type foul smell collection method, on partition wall reserve venthole be connected to aerobic zone with detest it is scarce
The headspace in oxygen area, aerobic zone overflow air can by air hole enter detest anoxic zone head space, on the one hand can supplement detest it is scarce
The air that oxygen area head space is pumped, and since bacteria metabolism consumes partial oxidation, this portion gas of supplement will not be right
Detest anoxic zone Dissolved Oxygen in Water concentration to cause to fluctuate, on the other hand can reduce the foul smell air quantity that aerobic zone needs to collect, reduces
Fan energy consumption.Further, since detesting the air that anoxic zone is pumped can be detested at the top of anoxic zone by the air supplement that aerobic zone is overflowed
Cover board can be made the form of being fully sealed, and it is excessive thoroughly to prevent foul smell.
Above-mentioned air quantity self-balancing type foul smell collection method, wherein aerobic zone foul smell collecting pipe is received with anoxic zone foul smell is detested
Collector collect respectively aerobic zone and detest anoxic zone generation foul gas to corresponding deodorizing facility, the two foul smell main component is not
It is identical to the greatest extent, it can targetedly be handled using different deodorization process foul smell is collected.
Air quantity self-balancing type foul smell collection method provided by the invention has the advantage that
(1) operating method is simple, and civil engineering implementation difficulty is small, convenient for management；
(2) foul smell collection efficiency is high, and it is excessive thoroughly to prevent foul smell；
(3) traditional foul smell collection method is compared, deodorization air quantity is reduced, reduces fan energy consumption；
(4) aerobic zone, detest anoxic zone foul smell processing be collected separately, it is with strong points；
(5) reduce air hose arrangement, save project amount and space, it is advantageous beautiful.
Detailed description of the invention
Fig. 1 is the plan view for the air quantity self-balancing type foul gas collection system that the present invention uses.
Fig. 2 is the cross section view for the air quantity self-balancing type foul gas collection system that the present invention uses.
It include: aerator 1 in figure, venthole 2, aerobic zone foul smell collecting pipe 3 detests anoxic zone foul smell collecting pipe 4, aerobic
Area's deodorization device 5 detests anoxic zone deodorization device 6, blender 7.
Specific embodiment
The present invention will be described in detail with specific embodiments of the present invention with reference to the accompanying drawings of the specification.
A kind of air quantity self-balancing type foul gas collection system includes:
Aerobic zone and detest on the partition wall of anoxic zone reserve venthole 2；
Aerobic zone foul smell collecting pipe 3 at the top of aerobic zone is set；
It is arranged in detest and detests anoxic zone foul smell collecting pipe 4 at the top of anoxic zone；
Aerobic zone deodorization device 5(at the top of aerobic zone is set containing exhaust blower)；
It is arranged in detest and detests anoxic zone deodorization device 6(containing exhaust blower at the top of anoxic zone).
A kind of air quantity self-balancing type foul smell collection method, comprises the following steps:
Step 1, venthole 2 is reserved with anoxic zone partition wall top is detested in aerobic zone, is connected to its headspace；
Step 2, the air of aerobic zone is entered by aerator 1, fraction is utilized by bacteria metabolism, the air of spilling
A part is collected into after aerobic zone deodorization device 5 is handled by aerobic zone foul smell collecting pipe 3 and is discharged, and another part then leads to
It crosses the entrance of venthole 2 and detests anoxic zone head space；
Step 3, anoxic zone deodorization dress is detested into detesting the air of anoxic zone head space and be collected by detesting anoxic zone foul smell collecting pipe 4
Set 6 handled after be discharged.
In above-mentioned air quantity self-balancing type foul smell collection method, it is good that the venthole 2 reserved on the partition wall has been connected to
Oxygen area and the headspace for detesting anoxic zone, air is overflowed in aerobic zone on the one hand may be used by air hole into anoxic zone head space is detested
To supplement the air detesting anoxic zone head space and being pumped, and since bacteria metabolism consumes partial oxidation, this part of supplement
Gas will not cause to fluctuate to anoxic zone Dissolved Oxygen in Water concentration is detested, and on the other hand can reduce the foul smell that aerobic zone needs to collect
Air quantity reduces fan energy consumption.Further, since detesting the air that anoxic zone is pumped can be detested by the air supplement that aerobic zone is overflowed
Anoxic zone top blind flange can be made the form of being fully sealed, and it is excessive thoroughly to prevent foul smell.
In above-mentioned air quantity self-balancing type foul smell collection method, it is described detest anoxic zone foul smell collecting pipe 4 only need to be along vertical
Airflow direction is evenly arranged in wind direction under air-flow.Enter the air for detesting anoxic zone in pond head space shape by air hole 2 on partition wall
At convection current, the foul gas for detesting anoxic zone generation can be collected to comprehensive no dead angle.
In above-mentioned air quantity self-balancing type foul smell collection method, the aerobic zone foul smell collecting pipe 3 detests anoxic zone foul smell receipts
Collector 4 collects aerobic zone respectively and detests the foul gas of anoxic zone generation to corresponding deodorizing facility, the two foul smell main component
It is not quite similar, can targetedly be handled using different deodorization process foul smell is collected.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (3)
1. a kind of air quantity self-balancing type foul smell collection method, aerobic zone are disposed adjacent with anoxic zone is detested, and be equipped between the two every
Wall, aerobic zone top setting aerobic zone foul smell collecting pipe and aerobic zone deodorization device are detested smelly equipped with anoxic zone is detested at the top of anoxic zone
Gas collecting pipe and detest anoxic zone deodorization device, it is characterised in that the foul smell collection method comprises the following steps:
Step 1, venthole is reserved with anoxic zone partition wall top is detested in aerobic zone, is connected to its headspace；
Step 2, the air of aerobic zone is entered by aerator, fraction is utilized by bacteria metabolism, the air of spilling
A part, which by aerobic zone is detested foul smell collecting pipe and is collected into after aerobic zone deodorization device is handled, to be discharged, and another part then leads to
It crosses venthole entrance and detests anoxic zone head space；
Step 3, anoxic zone deodorization dress is detested into detesting the air of anoxic zone head space and be collected by detesting anoxic zone foul smell collecting pipe
It sets and is discharged after being handled.
2. air quantity self-balancing type foul gas collection method as described in claim 1, it is characterised in that detest and set at the top of anoxic zone
Seal cover board, it is excessive with odor-proof.
3. air quantity self-balancing type foul gas collection method as described in claim 1, it is characterised in that described detests anoxic zone
Foul smell collecting pipe is evenly arranged in wind direction under air-flow along uprush direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159447.8A CN109482606A (en) | 2018-09-30 | 2018-09-30 | A kind of air quantity self-balancing type foul smell collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159447.8A CN109482606A (en) | 2018-09-30 | 2018-09-30 | A kind of air quantity self-balancing type foul smell collection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109482606A true CN109482606A (en) | 2019-03-19 |
Family
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|---|---|---|---|
| CN201811159447.8A Pending CN109482606A (en) | 2018-09-30 | 2018-09-30 | A kind of air quantity self-balancing type foul smell collection method |
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2018
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105152506A (en) * | 2014-02-26 | 2015-12-16 | 江苏理工学院 | High-temperature microaerobic-anaerobic digestion method for organic sludge |
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