CN108057337A - Two-part is layered postposition air inducing ring energy type deodoration system and deodorization process - Google Patents
Two-part is layered postposition air inducing ring energy type deodoration system and deodorization process Download PDFInfo
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- CN108057337A CN108057337A CN201711351689.2A CN201711351689A CN108057337A CN 108057337 A CN108057337 A CN 108057337A CN 201711351689 A CN201711351689 A CN 201711351689A CN 108057337 A CN108057337 A CN 108057337A
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 53
- 238000004332 deodorization Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title abstract description 14
- 230000004087 circulation Effects 0.000 claims abstract description 137
- 238000012856 packing Methods 0.000 claims abstract description 134
- 239000007789 gas Substances 0.000 claims description 69
- 239000000945 filler Substances 0.000 claims description 59
- 239000012530 fluid Substances 0.000 claims description 53
- 238000004064 recycling Methods 0.000 claims description 30
- 238000001802 infusion Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 22
- 238000007667 floating Methods 0.000 claims description 18
- 239000007792 gaseous phase Substances 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000007791 liquid phase Substances 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002361 compost Substances 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- -1 sawdust Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000008439 repair process Effects 0.000 claims description 2
- 230000009469 supplementation Effects 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011112 process operation Methods 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
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- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
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Abstract
The present invention provides two-part layering postposition air inducing ring energy type deodoration system and deodorization process, and the system comprises pretreatment sections and biological section；The pretreatment section includes first circulation mixed liquor upper strata releasing unit, the first upper strata packing area, first circulation mixed liquor lower floor releasing unit, the first lower floor packing area and the first built-in storage element successively from top to bottom；The biology section includes second circulation mixed liquor upper strata releasing unit, the second upper strata packing area, second circulation mixed liquor lower floor releasing unit, the second lower floor packing area and the second built-in storage element successively from top to bottom.The present invention can not only realize the efficient removal of foul smell, can also be achieved process operation flexible dispatching, management service are simple and convenient, investment energy consumption it is opposite save, treatment effect it is reliable and stable, give full play to its suitability, economy, continuation.
Description
Technical field
The present invention relates to Odor control fields, are layered postposition air inducing ring energy type deodoration system more particularly to two-part and remove
Smelly technique.
Background technology
With urban development and the quickening of process of industrialization, the application region of sewage treatment facility is more and more extensive, with
And the foul gas pollution that comes has become the hot spot environmental problem paid close attention to for people.A large amount of foul gas such as hydrogen sulfide, ammonia
Or other sulfurous gas etc. can all cause different degrees of poison to human breathing, digestion, angiocarpy, endocrine and nervous system
Evil, notably easily causes the mankind to suffer from the miscellaneous disease of abnormal cancer.The country of severe situation is still suffered from for the such sewage disposal in China, sternly
It is necessary that lattice, which control its foul gas discharge incidentally generated,.
Traditional deodorization technology purification efficiency is low, energy consumption and processing cost are high, and easily causes secondary pollution, by items such as meteorologies
Part restricts, and limits its scope of application.Therefore, it is necessary to strengthen the research and development of deodorization technology, the level of deodorization is continuously improved.
The present invention proposes two-part layering postposition air inducing ring energy type deodoration system and deodorization process, can not only realize foul smell
Efficiently removal can also be achieved simple and convenient process operation flexible dispatching, management service, the opposite saving of investment energy consumption, treatment effect
It is reliable and stable, give full play to its suitability, economy, continuation.
The content of the invention
In view of the foregoing deficiencies of prior art, it is an object of the invention to provide two-parts to be layered postposition air inducing ring energy
Type deodoration system and deodorization process, the system comprises pretreatment sections and biological section；The pretreatment section is wrapped successively from top to bottom
It includes under first circulation mixed liquor upper strata releasing unit, the first upper strata packing area, first circulation mixed liquor lower floor releasing unit, first
Layer packing area and the first built-in storage element；The biology section includes second circulation mixed liquor upper strata and discharges successively from top to bottom
Unit, the second upper strata packing area, second circulation mixed liquor lower floor releasing unit, the second lower floor packing area and the second built-in storage
Unit.The present invention can not only realize the efficient removal of foul smell, and it is simply square to can also be achieved process operation flexible dispatching, management service
Just it is reliable and stable that energy consumption saving, treatment effect relatively, are invested, gives full play to its suitability, economy, continuation.
First aspect present invention provides a kind of two-part layering postposition air inducing ring energy type deodoration system, including pretreatment section and
Biological section；
The pretreatment section includes first circulation mixed liquor upper strata releasing unit, the first upper strata filler successively from top to bottom
Area, first circulation mixed liquor lower floor releasing unit, the first lower floor packing area and the first built-in storage element；The pretreatment section
First circulation mixed liquor fluid infusion pipeline, first circulation mixed liquor upper strata pipeloop and first circulation mixed liquor lower floor is further included to follow
Endless tube line；External mixed liquor is connected through the first circulation mixed liquor fluid infusion pipeline with the described first built-in storage element；Institute
The first built-in storage unit is stated through the first circulation mixed liquor upper strata pipeloop and the first circulation mixed liquor upper strata
Releasing unit connect and, released through the first circulation mixed liquor lower floor pipeloop and the first circulation mixed liquor lower floor
Put unit connection；The pretreatment section further includes ventilation gallery, is equipped with above the first circulation mixed liquor upper strata releasing unit
Pretreatment section gas vent, the pretreatment section gas vent are connected through the ventilation gallery with the biological section；
It is described biology section from top to bottom successively include second circulation mixed liquor upper strata releasing unit, the second upper strata packing area,
Second circulation mixed liquor lower floor releasing unit, the second lower floor packing area and the second built-in storage element；The biology section is also wrapped
Include second circulation mixed liquor fluid infusion pipeline, second circulation mixed liquor upper strata pipeloop and second circulation mixed liquor lower floor circulation pipe
Line；External mixed liquor is connected through the second circulation mixed liquor fluid infusion pipeline with the described second built-in storage element；Described
Two built-in storage units are discharged through the second circulation mixed liquor upper strata pipeloop and the second circulation mixed liquor upper strata
Unit connect and, discharged through the second circulation mixed liquor lower floor pipeloop and the second circulation mixed liquor lower floor single
Member connection.
Preferably, at least one of following technical characteristic is further included：
1) deodoration system further includes foul smell gathering line, and foul gas is passed through the pretreatment through foul smell gathering line
Section；
2) pretreatment section further includes foul gas entrance, the foul gas entrance be arranged on the lower part of pretreatment section and
Arranged on the top of the first built-in storage unit；
3) the pretreatment section gas vent is arranged on the lower part of biological section and arranged on the top of the second built-in storage unit；
4) filler of the first upper strata packing area is structured packing；
5) the first upper strata packing area in screen waviness packings, mellapak packing and corrugated sheet-net packing at least one
Kind；
6) the filler material of the first upper strata packing area is plastics, ceramics or carbon fiber；
7) packing specific area of the first upper strata packing area is 250~500m2/m3；
8) filler voidage >=95% of the first upper strata packing area；
9) the filler inclination angle of the first upper strata packing area is 30~45 °；
10) height of the first upper strata packing area is 0.5~1m；
11) filler of the first lower floor packing area is random packing；
12) filler of the first lower floor packing area in Raschig ring filler, Pall ring filler and ladder ring packing at least
It is a kind of；
13) the filler material of the first lower floor packing area is plastics, ceramics or carbon fiber；
14) packing specific area of the first lower floor packing area is 100~250m2/m3；
15) the filler nominal dimension of the first lower floor packing area is 5~50mm；
16) filler voidage >=90% of the first lower floor packing area；
17) height of the first lower floor packing area is 1~1.5m；
18) filler of the second upper strata packing area is structured packing；
19) filler of the second upper strata packing area is in screen waviness packings, mellapak packing and corrugated sheet-net packing
It is at least one；
20) the filler material of the second upper strata packing area is the mixture of compost, sawdust, zeolite, haydite and carbonaceous；
21) packing specific area >=1000m of the second upper strata packing area2/m3；
22) filler voidage >=60% of the second upper strata packing area；
23) 30~45 ° of the filler inclination angle of the second upper strata packing area；
24) 0.5~1m of height of the second upper strata packing area；
25) filler of the second lower floor packing area is random packing；
26) filler of the second lower floor packing area in Raschig ring filler, Pall ring filler and ladder ring packing at least
It is a kind of；
27) the filler material of the second lower floor packing area is the mixture of compost, sawdust, zeolite, haydite and carbonaceous；
28) packing specific area >=900m of the second lower floor packing area2/m3；
29) the filler nominal dimension of the second lower floor packing area is 5~50mm；
30) filler voidage >=50% of the second lower floor packing area；
31) height of the second lower floor packing area is 1~1.5m.
Preferably, the biological section further includes built-in biological respinse unit, and it is remaining that the pretreatment section further includes first
Mixed liquor discharge pipe line, the biology section further include the second residual mixed liquor discharge pipe line, the first built-in storage unit
It is connected through the first residual mixed liquor discharge pipe line with the built-in biological respinse unit, the second built-in storage unit warp
Second residual mixed liquor discharge pipe line is connected with the built-in biological respinse unit；The built-in biological respinse unit is equipped with
Gaseous phase outlet, liquid-phase outlet, foul smell discharge pipe line, the first effluent recycling pipeline and the second effluent recycling pipeline, built-in biology
The gaseous phase outlet of reaction member is connected through pipeline with the pretreatment section；The liquid-phase outlet of built-in biological respinse unit is through
One effluent recycling pipeline connected with the first built-in storage unit and, built-in deposited with second through the second effluent recycling pipeline
Storage unit connects.
It is highly preferred that the first built-in storage element be equipped with the first fluid level controller and pH controllers, described first
Fluid level controller, pH controllers and the first circulation mixed liquor fluid infusion pipeline, first circulation mixed liquor upper strata pipeloop, the
One Xun Huan mixed liquor lower floor pipeloop, the first residual mixed liquor discharge pipe line and the first effluent recycling pipeline pass through liquid level and pH
Chain control is realized in the setting of value；The second built-in storage element is equipped with the second fluid level controller, the second liquid level control
Under device processed and the second circulation mixed liquor fluid infusion pipeline, second circulation mixed liquor upper strata pipeloop, second circulation mixed liquor
Layer pipeloop, the second residual mixed liquor discharge pipe line and the second effluent recycling pipeline realize chain control by the setting of liquid level
System.
It is highly preferred that the built-in biological respinse unit is additionally provided with the 3rd fluid level controller, the 3rd Liquid level
Device and the first residual mixed liquor discharge pipe line, the second residual mixed liquor discharge pipe line, the first effluent recycling pipeline and second
Effluent recycling pipeline realizes chain control by the setting of liquid level.
Above-mentioned first fluid level controller, the second fluid level controller, the 3rd fluid level controller can include level detection component
And control unit, control unit control each pipeline valve by signal transmission.Above-mentioned pH controllers include pH detection parts and control
Unit processed, control unit control each pipeline valve by signal transmission.Those skilled in the art are easy to understand, and control as described above
Unit processed can also carry out simple program editor with Loading Control program, can utilize computer of the prior art, integrate
Circuit module, programmable logic device, other hardware or existing software module are realized.
It is highly preferred that the built-in biological respinse unit includes floating stuffing block, floating stuffing successively from top to bottom
Area and reaction aeration devices.
Even more preferably, at least one in following technical characteristic is further included：
1) packing ratio in floating stuffing area is 30~60%；
2) material of floating stuffing is high density polyethylene (HDPE)/polypropylene, and 10~25mm of grain size, 0.4~0.8mm of wall thickness are long
Spend 10~12mm, 94~98kg/m of bulk specific weight3, specific surface area>500m2/m3；
3) floating stuffing device for trapping is made of the porous retention net of stainless steel, retention net 6~8mm of Circularhole diameter, in circular hole
For the heart away from for 9.9~10.1mm, retention net base portion installs thick bubble diffuser, gas liquid ratio 4：1~5：1.
Preferably, air supply section is further included, the air supply section includes the first air inducing pipeline being sequentially communicated, pressure fan and first
Air draft pipeline, the biology section are equipped with gaseous phase outlet, and the gaseous phase outlet of biological section is sent by the first air inducing pipeline with described
Wind turbine connects.
It is highly preferred that the built-in biological respinse unit is additionally provided with aeration air inducing pipeline, the first exhaust duct line warp
The aeration air inducing pipeline is connected with reacting aeration devices in the built-in biological respinse unit.
Even more preferably, emergent deodorization section is further included, the emergent deodorization section includes the second air inducing being sequentially communicated
Pipeline, emergent deodorization device and the second exhaust duct line, the biology section are equipped with gaseous phase outlet, and the gaseous phase outlet of biological section passes through institute
It states the first air inducing pipeline to connect with the second air inducing pipeline, the second exhaust duct line is connected with the pressure fan of air supply section.
Further it is highly preferred that setting adsorption stuffing in the emergent deodorization device, material is activated carbon/charcoal matter object,
Grain grain size be 3~4mm, porosity 50%~60%, specific surface area >=1000m2/g。
Second aspect of the present invention provides a kind of two-part layering postposition air inducing ring energy type deodorization process, using any of the above-described
The deodoration system, includes the following steps：
1) foul gas enters pretreatment section, and passes through the first lower floor packing area and the first upper strata packing area and enter ventilation corridor
Road；External mixed liquor is through first circulation mixed liquor fluid infusion pipeline into the first built-in storage element, and then a part is through first
Xun Huan mixed liquor lower floor's pipeloop is contacted by first circulation mixed liquor lower floor releasing unit with foul gas, another part warp
First circulation mixed liquor upper strata pipeloop is contacted by first circulation mixed liquor upper strata releasing unit with foul gas, from upper and
Xun Huan is formed downstream to the first built-in storage element；
2) handle obtained foul smell through step 1) and biological section entered by gallery of divulging information, and pass through the second lower floor packing area and
Second upper strata packing area；External mixed liquor enters the second built-in storage element through second circulation mixed liquor fluid infusion pipeline, then
A part is contacted through second circulation mixed liquor lower floor's pipeloop by second circulation mixed liquor lower floor releasing unit with foul smell, separately
A part is contacted through second circulation mixed liquor upper strata pipeloop by second circulation mixed liquor upper strata releasing unit with foul smell, from
Above cycle is formed downstream to the second built-in storage element.
Preferably, at least one of following technical characteristic is further included：
1) in step 1), foul gas enters pretreatment section lower part, and external mixed liquor is through first circulation mixed liquor liquid supplementation pipe
Line enters the first built-in storage element positioned at foul gas entrance lower end；
2) in step 2), handle obtained foul smell through step 1) and biological pars infrasegmentalis, external mixing are entered by gallery of divulging information
Liquid enters the second built-in storage element positioned at pretreatment section gas vent lower end through second circulation mixed liquor fluid infusion pipeline；
3) the first residual mixed liquor is passed through built-in biological respinse unit through the first residual mixed liquor discharge pipe line, and second is surplus
Remaining mixed liquor is passed through built-in biological respinse cell processing through the second residual mixed liquor discharge pipe line, through built-in biological respinse list
Obtained gas phase is passed through pretreatment section through pipeline after member processing, and the liquid phase obtained after built-in biological respinse cell processing is through the
One effluent recycling pipeline connected with the first built-in storage element and, through the second effluent recycling pipeline and the second built-in storage
Memory cell connects；
4) through step 2), treated that gas drains into air by air supply section；
5) when under pretreatment section and/or biological section Maintenance and Repair state, through step 2), treated that gas is removed by emergent
After smelly section of processing air is drained into through air supply section；
6) in step 1), 400~600m/h of pretreatment section empty tower gas velocity；
7) in step 1), mixed liquor burst size presses 0.1~10L/m of liquid-gas ratio3；
8) in step 2), 200~300m/h of biological section empty tower gas velocity；
9) in step 2), mixed liquor burst size presses 0.1~10L/m of liquid-gas ratio3。
It is highly preferred that feature 4) or feature 5) in, air supply section discharge gas through be aerated air inducing pipeline with it is described built-in
Biological respinse unit connects.
As described above, compared with prior art, two-part layering postposition air inducing ring energy type deodorization system provided by the present invention
System and deodorization process have following distinguishing feature：
(1) using two-part deodorization tandem process, each section possesses different representative malodor substance remove functions, group technology
Foul smell can be made to obtain ideal removal effect；
(2) using possess difference in functionality segmentation filling carrier arrangement, and by segmentation with mixed liquor contact mass transfer mode,
Inside reactor functional section is made to play the adsorbance for optimum state, effectively distributing carrier, the mass-transfer efficiency of carrier is improved, reduces
The carrier cleaning frequency reduces conversion zone enlarge-effect, the comprehensive foul smell removal effect for improving conversion zone；
(3) the emergent deodoration system of specific combination is used, meets facility maintenance and reaches continuous deodorizing effect, system fortune simultaneously
Capable stability and reliability is improved；
(4) residual mixed liquor reprocessing is recycled using built-in bioreactor, saves external rate of water make-up, and drop
The low secondary pollution degree to environment makes system not increase floor space additionally more environmentally-friendly simultaneously；
(5) supply air system postposition, it is relatively low that main reaction section bears wind pressure, system gas leak rate and operation noise it is smaller, phase
Equipment making requirement and cost is answered to be minimized；Supply air system possesses high-quality ventilation condition for a long time, and service life is carried
It is high.
Description of the drawings
Fig. 1 is the schematic diagram that a kind of two-part is layered postposition air inducing ring energy type deodoration system.
Fig. 2 is layered postposition air inducing ring energy type deodorization process flow chart for a kind of two-part.
Reference numeral：
1- foul smell gathering lines；
2- pretreatment sections；2a- first circulation mixed liquors upper strata releasing unit；The release of 2b- first circulation mixed liquors lower floor is single
Member；The first upper stratas of 2c- packing area；The first lower floors of 2d- packing area；The first built-in storage elements of 2e-；2f- first circulations mix
Liquid fluid infusion pipeline；2g- first circulation mixed liquors upper strata pipeloop；2h- first circulation mixed liquors lower floor pipeloop；2i-
One residual mixed liquor discharge pipe line；2j-the first fluid level controllers；2k-pH controllers；2l- ventilation gallerys；
3- biology sections；3a- second circulation mixed liquors upper strata releasing unit；3b- second circulation mixed liquors lower floor releasing unit；
The second upper stratas of 3c- packing area；The second lower floors of 3d- packing area；The second built-in storage elements of 3e-；3f- second circulations mixed liquor is mended
Liquid pipe line；3g- second circulation mixed liquors upper strata pipeloop；3h- second circulation mixed liquors lower floor pipeloop；3i- second is surplus
Remaining mixed liquor discharge pipe line；The second fluid level controllers of 3j-；
4- air supply sections；4a- the first air inducing pipelines；4b- the first exhaust duct lines；
5- meets an urgent need deodorization section；5a- the second air inducing pipelines；5b- the second exhaust duct lines；
The built-in biological respinse units of 6-；6a- floating stuffings area；6b- floating stuffings are blocked；6c- reacts aeration devices；
The 3rd fluid level controllers of 6d-；6e- foul smell discharge pipe lines；6f- is aerated air inducing pipeline；6g- the first effluent recycling pipelines；6h- second
Effluent recycling pipeline.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be clear that in the following example not specifically dated process equipment or device using conventional equipment in the art or
Device.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
Other methods step can also be inserted into there may also be other methods step or between the step of these are specifically mentioned, unless separately
It is described；It should also be understood that the combination connection relation between one or more equipment/device mentioned in the present invention is not repelled
The front and rear two equipment/devices specifically mentioned there may also be other equipment/device or at these of the unit equipment/device it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Differentiate the convenient tool of various method steps rather than the ordering for limitation various method steps or the enforceable model of the restriction present invention
It encloses, relativeness is altered or modified, and in the case where changing technology contents without essence, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
As depicted in figs. 1 and 2, postposition air inducing ring energy type deodoration system is layered using a kind of two-part and deodorization process is handled
Urban wastewater treatment firm foul gas 11000m3/h。
The deodoration system includes foul smell gathering line 1, pretreatment section 2, biological section 3, air supply section 4 and emergent deodorization section 5；
Foul gas is passed through the pretreatment section 2 through foul smell gathering line 1；
The pretreatment section 2 includes first circulation mixed liquor upper strata releasing unit 2a successively from top to bottom, the first upper strata is filled out
Expect area 2c, first circulation mixed liquor lower floor releasing unit 2b, the first built-in storage element 2e of lower floor packing area 2d and first；Institute
It states pretreatment section 2 and further includes first circulation mixed liquor fluid infusion pipeline 2f, first circulation mixed liquor upper strata pipeloop 2g and first
Cycle mixed liquor lower floor pipeloop 2h；External mixed liquor is through in the first circulation mixed liquor fluid infusion pipeline 2f and described first
Put formula storage element 2e connections；The first built-in storage unit 2e is through the first circulation mixed liquor upper strata pipeloop 2g
Connected with the first circulation mixed liquor upper strata releasing unit 2a and, through the first circulation mixed liquor lower floor pipeloop
2h is connected with the first circulation mixed liquor lower floor releasing unit 2b；The pretreatment section 2 further includes ventilation gallery 2l, and described the
Pretreatment section gas vent is equipped with above one cycle mixed liquor upper strata releasing unit 2a, described in the pretreatment section gas vent warp
Ventilation gallery 2l is connected with the biological section 3；The pretreatment section 2 further includes foul gas entrance, the foul gas entrance
Arranged on the lower part of pretreatment section and arranged on the top of the first built-in storage unit 2e；
The biology section 3 includes second circulation mixed liquor upper strata releasing unit 3a, the second upper strata filler successively from top to bottom
Area 3c, second circulation mixed liquor lower floor releasing unit 3b, the second built-in storage element 3e of lower floor packing area 3d and second；It is described
Biological section 3 further includes second circulation mixed liquor fluid infusion pipeline 3f, second circulation mixed liquor upper strata pipeloop 3g and second circulation
Mixed liquor lower floor pipeloop 3h；External mixed liquor is built-in through the second circulation mixed liquor fluid infusion pipeline 3f and described second
Storage element 3e is connected；The second built-in storage unit 3e is through the second circulation mixed liquor upper strata pipeloop 3g and institute
State second circulation mixed liquor upper strata releasing unit 3a connection and, through the second circulation mixed liquor lower floor pipeloop 3h with
The second circulation mixed liquor lower floor releasing unit 3b connections；The pretreatment section gas vent is arranged on the lower part of biological section and sets
In the top of the second built-in storage unit 3e；The biology section 3 further includes built-in biological respinse unit 6, described built-in
Biological respinse unit 6 includes floating stuffing block 6b, floating stuffing area 6a and reaction aeration devices 6c successively from top to bottom, described
Pretreatment section 2 further includes the first residual mixed liquor discharge pipe line 2i, and the biology section 3 further includes the second residual mixed liquor delivery pipe
Line 3i, the first built-in storage unit 2e is through the first residual mixed liquor discharge pipe line 2i and the built-in biological respinse list
Member 6 connects, and the second built-in storage unit 3e is anti-through the second residual mixed liquor discharge pipe line 3i and the built-in biology
Unit 6 is answered to connect；The built-in biological respinse unit goes out equipped with gaseous phase outlet, liquid-phase outlet, foul smell discharge pipe line 6e, first
Water reflux pipeline 6g and the second effluent recycling pipeline 6h, the gaseous phase outlet of built-in biological respinse unit is through pipeline and the pre- place
Reason section 2 connects；The liquid-phase outlet of built-in biological respinse unit is through the first effluent recycling pipeline 6g and the first built-in storage
Unit 2e connect and, connected through the second effluent recycling pipeline 6h with the second built-in storage unit 3e；
The first built-in storage element 2e is equipped with the first fluid level controller 2j and pH controller 2k, and built-in storage is single
First fluid level controller 2j, pH controller 2k of member and the first circulation mixed liquor fluid infusion pipeline 2f, first circulation mixed liquor
Upper strata pipeloop 2g, first circulation mixed liquor lower floor pipeloop 2h, the first residual mixed liquor discharge pipe line 2i and first go out
Water reflux pipeline 6g realizes chain control by the setting of liquid level and pH value；The second built-in storage element 3e is equipped with second
Fluid level controller 3j, the second fluid level controller 3j are mixed with the second circulation mixed liquor fluid infusion pipeline 3f, second circulation
Liquid upper strata pipeloop 3g, second circulation mixed liquor lower floor pipeloop 3h, the second residual mixed liquor discharge pipe line 3i and second
Effluent recycling pipeline 6h realizes chain control by the setting of liquid level；The built-in biological respinse unit 6 is additionally provided with the 3rd liquid
Level controller 6d, the 3rd fluid level controller 6d and the first residual mixed liquor discharge pipe line 2i, the second residual mixed liquor
Discharge pipe line 3i, the first effluent recycling pipeline 6g and the second effluent recycling pipeline 6h realize chain control by the setting of liquid level；
The air supply section includes the first air inducing pipeline 4a, pressure fan and the first exhaust duct line 4b that are sequentially communicated, the life
Object section is equipped with gaseous phase outlet, and the gaseous phase outlet of biological section is connected by the first air inducing pipeline 4a with the pressure fan；
The built-in biological respinse unit 6, which is additionally provided with, is aerated air inducing pipeline 6f, described in the first exhaust duct line 4b warps
Aeration air inducing pipeline 6f is connected with reacting aeration devices 6c in the built-in biological respinse unit 6；
The emergent deodorization section 5 includes the second air inducing pipeline 5a being sequentially communicated, emergent deodorization device and the second exhaust duct
Line 5b, the biology section are equipped with gaseous phase outlet, and the gaseous phase outlet of biological section passes through the first air inducing pipeline 4a and the second air inducing
Pipeline 5a is connected, and the second exhaust duct line 5b is connected with the pressure fan of air supply section 4.
The deodorization process uses above-mentioned deodoration system, includes the following steps：
1) foul gas enters 2 lower part of pretreatment section, and passes through the first lower floor packing area 2d and the first upper strata packing area 2c
Into ventilation gallery 2l；External mixed liquor enters through first circulation mixed liquor fluid infusion pipeline 2f positioned at foul gas entrance lower end
First built-in storage element 2e, it is then a part of to be mixed through first circulation mixed liquor lower floor pipeloop 2h by first circulation
Liquid lower floor releasing unit 2b is contacted with foul gas, and another part passes through first through first circulation mixed liquor upper strata pipeloop 2g
Xun Huan mixed liquor upper strata releasing unit 2a is contacted with foul gas, is flow to the first built-in storage element 2e formation from top to bottom and is followed
Ring；
2) handle obtained foul smell through step 1) and biological 3 lower part of section is entered by the gallery 2l that divulges information, and pass through the second lower floor
Packing area 3d and the second upper strata packing area 3c；External mixed liquor enters through second circulation mixed liquor fluid infusion pipeline 3f and is located at pretreatment
Second built-in storage element 3e of section gas vent lower end, then a part is through second circulation mixed liquor lower floor pipeloop 3h
It is contacted by second circulation mixed liquor lower floor releasing unit 3b with foul smell, another part is through second circulation mixed liquor upper strata circulation pipe
Line 3g is contacted by second circulation mixed liquor upper strata releasing unit 3a with foul smell, flow to the second built-in storage element from top to bottom
3e forms Xun Huan；First residual mixed liquor is passed through built-in biological respinse unit 6 through the first residual mixed liquor discharge pipe line 2i, the
Two residual mixed liquors are passed through built-in biological respinse unit 6 through the second residual mixed liquor discharge pipe line 3i and handle, through built-in life
The gas phase obtained after the processing of object reaction member is passed through pretreatment section through pipeline, is obtained after built-in biological respinse cell processing
Liquid phase connected through the first effluent recycling pipeline 6g with the first built-in storage element 2e and, through the second effluent recycling pipeline 6h
It is connected with the second built-in storage element 3e；
3) through step 2), treated that gas drains into air by air supply section 4；
4) when under pretreatment section 2 and/or biological section 3-dimensional shield inspecting state, through step 2), treated that gas passes through is emergent
After the processing of deodorization section 5 air is drained into through air supply section 4
Alternatively, the gas that air supply section 4 is discharged is connected through being aerated air inducing pipeline 6f with the built-in biological respinse unit 6.
In step 1), 2 empty tower gas velocity 550m/h of pretreatment section (500~600m/h of actual motion)；Mixed liquor burst size is pressed
Liquid-gas ratio 2.5L/m3(2~3L/m of actual motion3)；
In step 2), biological 3 empty tower gas velocity 275m/h (200~300m/h) of section；Mixed liquor burst size presses liquid-gas ratio 5L/m3
(4~6L/m of actual motion3)；
2 first upper strata packing area 2c fillers of pretreatment section are structured packing (corrugated sheet-net packing), and filler material is preferably poly-
Urethane, specific surface area~300m2/m3, voidage >=95%, 45 ° of inclination angle, packing area height 0.5m；First filler 2d areas of lower floor are filled out
Expect for random packing (Pall ring filler), the preferred polyurethane of filler material, specific surface area~150m2/m3, nominal dimension 20~
30mm, voidage >=90%, packing area height 1.0m.
Biological 3 second upper strata packing area 3c fillers of section be structured packing (corrugated sheet-net packing), the preferred carbonaceous of filler material
Object, specific surface area >=1000m2/m3, voidage >=60%, 45 ° of inclination angle, packing area height 0.5m；Second lower floor packing area 3d is filled out
Expect for random packing (Pall ring filler), the preferred carbonaceous object of filler material, specific surface area >=900m2/m3, nominal dimension 20~
30mm, voidage >=50%, packing area height 1.0m.
First circulation mixed liquor upper strata releasing unit 2a/ first circulation mixed liquors lower floor releasing unit 2b/ second circulations are mixed
It closes liquid upper strata releasing unit 3a/ second circulation mixed liquors lower floor releasing unit 3b mixed liquors release device and uses atomizer.
First circulation mixed liquor fluid infusion pipeline 2f/ second circulation mixed liquor fluid infusion pipelines 3f, first circulation mixed liquor upper strata
Pipeloop 2g/ first circulation mixed liquors lower floor pipeloop 2h/ second circulation mixed liquors upper strata pipeloop 3g/ second circulations
Mixed liquor lower floor pipeloop 3h, first residual mixed liquor discharge pipe line 2i/ the second residual mixed liquor discharge pipe lines 3i are remaining mixed
Liquid exhaust system, the first effluent recycling pipeline 6g, the second preferred stainless steel of the main materials of effluent recycling pipeline 6h are closed, and interior sets electricity
Movable valve controls；
First built-in the second built-in storage element 3e material fiberglass of storage element 2e/, residence time 0.2h；Pre- place
The fluid level controller 3j of the first fluid level controller 2j/ biology sections of section is managed as ultrasonic level gage, the pH controllers of pretreatment section
2k is online pH meter.
Foul smell gathering line 1, the preferred fiberglass of the main material of 4 air supply sections, inside set control air-valve, and section is square.
Built-in 6 material fiberglass of biological respinse unit, hydraulic detention time 6h, floating stuffing area 6a packing ratios are
35%；Floating stuffing is made of high-quality floating stuffing, and material is high density polyethylene (HDPE), grain size 25mm, wall thickness 0.4mm, length
10m, 96 ± 2kg/m of bulk specific weight3, specific surface area>500m2/m3；Floating stuffing device for trapping is by the porous retention net group of stainless steel
Into retaining net Circularhole diameter 8mm, for center of circular hole away from for 10mm, retention net base portion installs thick bubble diffuser (reaction aeration devices
6c), gas liquid ratio 4.5：1 (actual motion 4：1~5：1).The 3rd fluid level controller 6d is ultrasonic level gage.
Adsorption stuffing, the main preferred activated carbon of material, grain diameter 3 are set in the emergent deodorization device of emergent deodorization section 5
~4mm, porosity 55%, specific surface area >=1000m2/g；
Main reactor (pretreatment section+biology section) structure size：L × B × H=15 × 4 × 3.3m (totally 1).
Implementation result：
Import foul gas main component：Concentration of hydrogen sulfide：10mg/m3；Ammonia density：30mg/m3；
Main odorant pollutant can reach after deodorization process of the present invention processing《Urban wastewater treatment firm pollutant emission
Standard》(GB18918-2002) below factory's circle primary standard.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (14)
1. a kind of two-part is layered postposition air-inducing deodorization system, which is characterized in that including pretreatment section (2) and biological section (3)；
The pretreatment section (2) includes first circulation mixed liquor upper strata releasing unit (2a) successively from top to bottom, the first upper strata is filled out
Expect that area (2c), first circulation mixed liquor lower floor releasing unit (2b), the first lower floor packing area (2d) and the first built-in storage are single
First (2e)；The pretreatment section (2) further includes first circulation mixed liquor fluid infusion pipeline (2f), first circulation mixed liquor upper strata Xun Huan
Pipeline (2g) and first circulation mixed liquor lower floor pipeloop (2h)；External mixed liquor is through the first circulation mixed liquor liquid supplementation pipe
Line (2f) is connected with the described first built-in storage element (2e)；The first built-in storage unit (2e) is followed through described first
Ring mixed liquor upper strata pipeloop (2g) connected with the first circulation mixed liquor upper strata releasing unit (2a) and, through described
First circulation mixed liquor lower floor pipeloop (2h) is connected with the first circulation mixed liquor lower floor releasing unit (2b)；It is described pre-
Processing section (2) further includes ventilation gallery (2l), and pretreatment is equipped with above the first circulation mixed liquor upper strata releasing unit (2a)
Section gas vent, the pretreatment section gas vent are connected through the ventilation gallery (2l) with the biological section (3)；
The biology section (3) includes second circulation mixed liquor upper strata releasing unit (3a), the second upper strata filler successively from top to bottom
Area (3c), second circulation mixed liquor lower floor releasing unit (3b), the second lower floor packing area (3d) and the second built-in storage element
(3e)；The biology section (3) further includes second circulation mixed liquor fluid infusion pipeline (3f), second circulation mixed liquor upper strata pipeloop
(3g) and second circulation mixed liquor lower floor pipeloop (3h)；External mixed liquor is through the second circulation mixed liquor fluid infusion pipeline
(3f) is connected with the described second built-in storage element (3e)；The second built-in storage unit (3e) is through the second circulation
Mixed liquor upper strata pipeloop (3g) connected with the second circulation mixed liquor upper strata releasing unit (3a) and, through described
Two Xun Huan mixed liquor lower floor's pipeloops (3h) are connected with the second circulation mixed liquor lower floor releasing unit (3b).
2. two-part as described in claim 1 is layered postposition air-inducing deodorization system, which is characterized in that it is special to further include following technology
At least one of sign：
1) deodoration system further includes foul smell gathering line (1), and foul gas is passed through the pre- place through foul smell gathering line (1)
Manage section (2)；
2) pretreatment section (2) further includes foul gas entrance, the foul gas entrance be arranged on the lower part of pretreatment section and
Arranged on the top of the first built-in storage unit (2e)；
3) the pretreatment section gas vent is arranged on the lower part of biological section and arranged on the top of the second built-in storage unit (3e)；
4) filler of the first upper strata packing area is structured packing；
5) the first upper strata packing area is selected from least one of screen waviness packings, mellapak packing and corrugated sheet-net packing；
6) the filler material of the first upper strata packing area is plastics, ceramics or carbon fiber；
7) packing specific area of the first upper strata packing area is 250~500m2/m3；
8) filler voidage >=95% of the first upper strata packing area；
9) the filler inclination angle of the first upper strata packing area is 30~45 °；
10) height of the first upper strata packing area is 0.5~1m；
11) filler of the first lower floor packing area is random packing；
12) filler of the first lower floor packing area is selected from least one of Raschig ring filler, Pall ring filler and ladder ring packing；
13) the filler material of the first lower floor packing area is plastics, ceramics or carbon fiber；
14) packing specific area of the first lower floor packing area is 100~250m2/m3；
15) the filler nominal dimension of the first lower floor packing area is 5~50mm；
16) filler voidage >=90% of the first lower floor packing area；
17) height of the first lower floor packing area is 1~1.5m；
18) filler of the second upper strata packing area is structured packing；
19) filler of the second upper strata packing area in screen waviness packings, mellapak packing and corrugated sheet-net packing at least
It is a kind of；
20) the filler material of the second upper strata packing area is the mixture of compost, sawdust, zeolite, haydite and carbonaceous；
21) packing specific area >=1000m of the second upper strata packing area2/m3；
22) filler voidage >=60% of the second upper strata packing area；
23) 30~45 ° of the filler inclination angle of the second upper strata packing area；
24) 0.5~1m of height of the second upper strata packing area；
25) filler of the second lower floor packing area is random packing；
26) filler of the second lower floor packing area is selected from least one of Raschig ring filler, Pall ring filler and ladder ring packing；
27) the filler material of the second lower floor packing area is the mixture of compost, sawdust, zeolite, haydite and carbonaceous；
28) packing specific area >=900m of the second lower floor packing area2/m3；
29) the filler nominal dimension of the second lower floor packing area is 5~50mm；
30) filler voidage >=50% of the second lower floor packing area；
31) height of the second lower floor packing area is 1~1.5m.
3. two-part as described in claim 1 is layered postposition air-inducing deodorization system, which is characterized in that the biology section (3) is also
Including built-in biological respinse unit (6), the pretreatment section (2) further includes the first residual mixed liquor discharge pipe line (2i), institute
It states biological section (3) and further includes the second residual mixed liquor discharge pipe line (3i), the first built-in storage unit (2e) is through first
Residual mixed liquor discharge pipe line (2i) is connected with the built-in biological respinse unit (6), the second built-in storage unit
(3e) is connected through the second residual mixed liquor discharge pipe line (3i) with the built-in biological respinse unit (6)；The built-in life
Object reaction member is equipped with gaseous phase outlet, liquid-phase outlet, foul smell discharge pipe line (6e), the first effluent recycling pipeline (6g) and second and goes out
Water reflux pipeline (6h), the gaseous phase outlet of built-in biological respinse unit are connected through pipeline with the pretreatment section (2)；It is built-in
The liquid-phase outlet of biological respinse unit is connected through the first effluent recycling pipeline (6g) with the first built-in storage unit (2e), with
And it is connected through the second effluent recycling pipeline (6h) with the second built-in storage unit (3e).
4. two-part as claimed in claim 3 is layered postposition air-inducing deodorization system, which is characterized in that the first built-in storage
Memory cell (2e) is equipped with the first fluid level controller (2j) and pH controllers (2k), first fluid level controller (2j), pH controls
Device (2k) is followed with the first circulation mixed liquor fluid infusion pipeline (2f), first circulation mixed liquor upper strata pipeloop (2g), first
Ring mixed liquor lower floor pipeloop (2h), the first residual mixed liquor discharge pipe line (2i) and the first effluent recycling pipeline (6g) pass through
Chain control is realized in the setting of liquid level and pH value；The second built-in storage element (3e) is equipped with the second fluid level controller
On (3j), second fluid level controller (3j) and the second circulation mixed liquor fluid infusion pipeline (3f), second circulation mixed liquor
Layer pipeloop (3g), second circulation mixed liquor lower floor pipeloop (3h), the second residual mixed liquor discharge pipe line (3i) and the
Two effluent recycling pipelines (6h) realize chain control by the setting of liquid level.
5. two-part as claimed in claim 3 is layered postposition air-inducing deodorization system, which is characterized in that the built-in biology is anti-
Unit (6) is answered to be additionally provided with the 3rd fluid level controller (6d), the 3rd fluid level controller (6d) and first residual mixed liquor
Discharge pipe line (2i), the second residual mixed liquor discharge pipe line (3i), the first effluent recycling pipeline (6g) and the second effluent recycling pipe
Line (6h) realizes chain control by the setting of liquid level.
6. two-part as claimed in claim 3 is layered postposition air-inducing deodorization system, which is characterized in that the built-in biology is anti-
Unit (6) is answered to include floating stuffing block (6b), floating stuffing area (6a) and reaction aeration devices (6c) successively from top to bottom.
7. two-part as claimed in claim 6 is layered postposition air-inducing deodorization system, which is characterized in that it is special to further include following technology
At least one of in sign：
1) packing ratio in floating stuffing area is 30~60%；
2) material of floating stuffing be high density polyethylene (HDPE)/polypropylene, 10~25mm of grain size, 0.4~0.8mm of wall thickness, length 10
~12mm, 94~98kg/m of bulk specific weight3, specific surface area>500m2/m3；
3) floating stuffing device for trapping by stainless steel it is porous retention net form, retain net 6~8mm of Circularhole diameter, center of circular hole away from
For 9.9~10.1mm, retention net base portion installs thick bubble diffuser, gas liquid ratio 4：1~5：1.
8. the two-part layering postposition air-inducing deodorization system as described in claim 1 or 3, which is characterized in that further include air supply section
(4), the air supply section includes the first air inducing pipeline (4a), pressure fan and the first exhaust duct line (4b) that are sequentially communicated, the life
Object section is equipped with gaseous phase outlet, and the gaseous phase outlet of biological section is connected by the first air inducing pipeline (4a) with the pressure fan.
9. two-part as claimed in claim 8 is layered postposition air-inducing deodorization system, which is characterized in that the built-in biology is anti-
Answer unit (6) be additionally provided with aeration air inducing pipeline (6f), the first exhaust duct line (4b) through it is described aeration air inducing pipeline (6f) with
Reaction aeration devices (6c) connect in the built-in biological respinse unit (6).
10. two-part as claimed in claim 9 is layered postposition air-inducing deodorization system, which is characterized in that further includes emergent deodorization
Section (5), the emergent deodorization section (5) include the second air inducing pipeline (5a) being sequentially communicated, emergent deodorization device and the second air draft
Pipeline (5b), the biology section are equipped with gaseous phase outlet, and the gaseous phase outlet of biological section passes through the first air inducing pipeline (4a) and the
Two air inducing pipelines (5a) connect, and the second exhaust duct line (5b) connects with the pressure fan of air supply section (4).
11. two-part as claimed in claim 10 is layered postposition air-inducing deodorization system, which is characterized in that the emergent deodorization dress
Set adsorption stuffing in putting, material is activated carbon/charcoal matter object, and grain diameter is 3~4mm, porosity 50%~60%, specific surface area
≥1000m2/g。
12. a kind of two-part is layered postposition air-inducing deodorization technique, which is characterized in that using described in any one of claim 1 to 11
Deodoration system, include the following steps：
1) foul gas enters pretreatment section (2), and pass through the first lower floor packing area (2d) and the first upper strata packing area (2c) into
Enter gallery of divulging information (2l)；External mixed liquor enters the first built-in storage element through first circulation mixed liquor fluid infusion pipeline (2f)
(2e), it is then a part of to pass through first circulation mixed liquor lower floor releasing unit through first circulation mixed liquor lower floor pipeloop (2h)
(2b) is contacted with foul gas, and another part passes through first circulation mixed liquor through first circulation mixed liquor upper strata pipeloop (2g)
Upper strata releasing unit (2a) is contacted with foul gas, is flow to the first built-in storage element (2e) from top to bottom and is formed Xun Huan；
2) obtained foul smell is handled by gallery of divulging information (2l) into biological section (3) through step 1), and pass through second lower floor's filler
Area (3d) and the second upper strata packing area (3c)；External mixed liquor is through built in second circulation mixed liquor fluid infusion pipeline (3f) into second
Formula storage element (3e), it is then a part of to pass through through second circulation mixed liquor lower floor pipeloop (3h) under second circulation mixed liquor
Layer releasing unit (3b) is contacted with foul smell, and another part passes through second circulation through second circulation mixed liquor upper strata pipeloop (3g)
Mixed liquor upper strata releasing unit (3a) is contacted with foul smell, is flow to the second built-in storage element (3e) from top to bottom and is formed Xun Huan.
13. two-part as claimed in claim 12 is layered postposition air-inducing deodorization technique, which is characterized in that further includes following technology
At least one of feature：
1) in step 1), foul gas enters pretreatment section lower part, and external mixed liquor is through first circulation mixed liquor fluid infusion pipeline
(2f) enters the first built-in storage element (2e) positioned at foul gas entrance lower end；
2) in step 2), obtained foul smell is handled by gallery of divulging information (2l) into biological section (3) lower part through step 1), it is external mixed
Liquid is closed through second circulation mixed liquor fluid infusion pipeline (3f) into the second built-in storage positioned at pretreatment section gas vent lower end
Unit (3e)；
3) the first residual mixed liquor is passed through built-in biological respinse unit (6) through the first residual mixed liquor discharge pipe line (2i), the
Two residual mixed liquors are passed through built-in biological respinse unit (6) through the second residual mixed liquor discharge pipe line (3i) and handle, through built-in
The gas phase obtained after formula biological respinse cell processing is passed through pretreatment section through pipeline, after built-in biological respinse cell processing
The liquid phase arrived connected through the first effluent recycling pipeline (6g) with the first built-in storage element (2e) and, through the second water outlet return
Flow tube line (6h) is connected with the second built-in storage element (3e)；
4) through step 2), treated that gas drains into air by air supply section (4)；
5) when under pretreatment section (2) and/or biological section (3) Maintenance and Repair state, through step 2), treated that gas passes through is emergent
After deodorization section (5) processing air is drained into through air supply section (4)；
6) in step 1), pretreatment section (2) 400~600m/h of empty tower gas velocity；
7) in step 1), mixed liquor burst size presses 0.1~10L/m of liquid-gas ratio3；
8) in step 2), biological section (3) 200~300m/h of empty tower gas velocity；
9) in step 2), mixed liquor burst size presses 0.1~10L/m of liquid-gas ratio3。
14. two-part as claimed in claim 13 is layered postposition air-inducing deodorization technique, which is characterized in that feature 4) or feature 5)
In, the gas of air supply section (4) discharge is connected through being aerated air inducing pipeline (6f) with the built-in biological respinse unit (6).
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| CN201711351689.2A CN108057337B (en) | 2017-12-15 | 2017-12-15 | Two-section layered rear-mounted induced air ring energy type deodorizing system and deodorizing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529568A (en) * | 2018-11-29 | 2019-03-29 | 重庆市渝西水务有限公司 | A kind of odor treatment method based on aerobic tank aerating system |
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| CN109529568A (en) * | 2018-11-29 | 2019-03-29 | 重庆市渝西水务有限公司 | A kind of odor treatment method based on aerobic tank aerating system |
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