CN107469613A - The stench processing system and method that a kind of more filtrate media are combined - Google Patents
The stench processing system and method that a kind of more filtrate media are combined Download PDFInfo
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- CN107469613A CN107469613A CN201710607623.9A CN201710607623A CN107469613A CN 107469613 A CN107469613 A CN 107469613A CN 201710607623 A CN201710607623 A CN 201710607623A CN 107469613 A CN107469613 A CN 107469613A
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- General Chemical & Material Sciences (AREA)
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Abstract
The stench processing system and method being combined the invention discloses a kind of more filtrate media in biomaterial Odor control field.The system is mainly made up of soil mixed layer, inorganic filler layer, large particle zeolite layer, blower fan, water distributor, gas distribution pipe, flase floor and water discharging valve；Wherein, for flase floor between inorganic filler layer and large particle zeolite layer, water distributor is located at system head, and water discharging valve is located at system bottom.Gas sequentially enters large particle zeolite layer, inorganic filler layer, soil mixed layer by the conveying of blower fan by gas distribution pipe, and after the absorption of volcanic rock and the metabolic conversion of microorganism, foul smell is effectively addressed.With simple using compared with the stench processing system of inorganic filler or organic filler, for that permanently effective can carry out adsorption treatment to foul smell the advantages of the system, the microorganism in filler can be recycled, and system is not easily blocked.
Description
Technical field
The invention belongs to biomaterial Odor control field, specifically describes at the foul smell that a kind of more filtrate media are combined
Manage system and method.
Background technology
At present in the debirs processing procedure such as municipal sewage treatment and garbage loading embeading, it can produce largely containing a variety of
The foul smell of odorant pollutant.These pollutants mainly have the inorganic matters such as hydrogen sulfide, ammonia and low-molecular-weight fatty acid, amine, halogenated hydrocarbons
Deng organic matter.Many VOCs material foul smelling smells, quite a few VOCs have carcinogenicity, hereditary Poisoning, are chronically at
In the environment of VOCs gases, human visual, the sense of hearing, memory impaired can be caused；Primary alconol class, ethers, aldehydes, ketone in VOCs etc.
The insulting nervous system of solvent；Benzene, toluene have infringement to kidney, liver, hematological system and nervous system；Hydroxy methyl, formic acid
Esters make pulmonary toxicity；Glycols damages the kidney of people：Vinyl chloride, benzene are set to the carcinogenic of people by IARC
Thing.In stratosphere and ozone chain reaction can occur for halogenated hydrocarbon VOCs, destroy atmospheric ozone layer, and then influence global environment.
Domestic main odor treatment method has at present：Active carbon adsorption, thermal oxidation method, oxonium ion group processing foul smell
(the patent No.s such as method, chemical washing method, biofiltration process：CN201610671415.0).Bioanalysis is current main flow deodorization skill
Art, biological deodorization have small investment, the low advantage of operating cost.Relative to conventional technique, such as absorption and sorption, burn,
The foul gas that biotechnology concentration for the treatment of preferably is low, flow is big.Moreover, control odor pollution general not using biotechnology
Secondary pollution can be produced.Simple utilizes inorganic filler for example：Activated carbon, adsorbed, because the decomposition for lacking microorganism is made
With by prolonged suction-operated, declining to the treatment effect of foul smell.Simple organic filler mixing, although organic fill out
Material is in itself containing abundant micro- life, and organic substance can provide the nutriment enriched for the growth of microorganism, but companion
With the accumulation of microorganism, the porosity of filler declines, and causes filling compaction, easily causes system jams.
The content of the invention
The stench processing system and method, particular technique content being combined the present invention relates to a kind of more filtrate media are as follows：
The stench processing system that a kind of more filtrate media are combined, it is characterised in that：The system is mainly by following portion
It is grouped into：Soil mixed layer 1, inorganic filler layer 2, large particle zeolite layer 3, blower fan 4, water distributor 5, gas distribution pipe 6, flase floor 7, row
Penstock 8；
Wherein, system generally size 1500mm (H) × 1100mm (W) × 200mm (D) casing, bottom is big
Particulate zeolites layer 3, gas distribution pipe 6 are installed among large particle zeolite layer and are connected with blower fan 4, and water discharging valve 8 is arranged on gas distribution pipe 6
Lower section；
Large particle zeolite layer 3 is up followed successively by：Flase floor 7, inorganic filler layer 2, soil mixed layer 1, water distributor 5, it is inorganic
Packing layer 2 uses brick type stacked structure with soil mixed layer 3.
The thickness of soil mixed layer 1 is 10cm, is 10cm with the spacing between layer soil block, using soil, wood chip, heap
Fertile three kinds of fillers are with dry weight than 3：1：Load gunny composition after 1 ratio mixing.
The thickness of inorganic filler layer 2 is 10cm, is made up of the volcanic rock that particle diameter is 1-3mm.
The thickness of large particle zeolite layer 3 is 15cm, is made up of the zeolite that particle diameter is 6-8mm.
The length of water distributor 5 is 1.2m, and water distribution pitch of holes is 10cm, and system head is located at using PVC material, uniformly drop
Filter.
The length of gas distribution pipe 6 is 1.2m, and gas distribution pitch of holes is 10cm, the uniform gas distribution of up-flow.
The stainless steel plate that the flase floor 7 is less than volcanic rock particle diameter by hole mesh size forms.
The odor treatment method that a kind of more filtrate media are combined, is mainly included the following steps that：
First, conveying of the foul smell through blower fan enters large particle zeolite layer by gas distribution pipe, and zeolite makes gas flow rate slow down simultaneously
It is uniformly distributed it and up enters inorganic filler layer；
Then, into inorganic filler layer gas by the micro-porous adsorption on volcanic rock surface, diffuse further into biomembrane, quilt
Biological decomposition is carbon dioxide, water, sulfate, nitrate；
Finally, complete gas not to be adsorbed up enters soil mixed layer, thorough in the presence of Soil Microorganism
Bottom is adsorbed and degraded, and foul smell is effectively addressed.
The foul smell clearance of the processing method is more than 82.2%, average removal rate 85.8%.
The stench processing system of the present invention being combined using a variety of filtrate media and method are smelly compared to traditional
Gas disposal mode, there is advantages below and beneficial effect：
1. compared to the other equipment for handling identical foul smell amount, system footprint area is small, and treatment effeciency is high, builds and runs
Expense is low.
2. foul smell preferentially enters large particle zeolite layer, bulky grain zeolite buffering foul smell, foul smell is uniformly distributed, is reduced simultaneously
Foul smell is directly entered the impact load of inorganic filler layer.
3. volcanic rock inorganic filler can adsorb hydrophobic gas, volcanic rock and organic filler, which are combined, significantly to be carried
Rise to Odor control efficiency.
On the one hand 4. water inlet can keep maintaining packing layer to keep moistening, on the other hand can be by filler surface by microorganism
The foul smell packing layer soluble in water by system of degraded obtains further absorption degradation.
5. inorganic filler layer, using the blocking for turning the effectively anti-locking system of block formula stacked structure, lifts foul smell with soil mixed layer
Treatment effeciency.
Brief description of the drawings
Fig. 1 is the stench processing system that more filtrate media are combined.
In figure：1- soil mixed layers, 2- inorganic filler layers, 3- large particle zeolite layers, 4- blower fans, 5- water distributors, 6- gas distributions
Pipe, 7- flase floors, 8- water discharging valves.
Embodiment
The stench processing system and method being combined the invention provides a kind of more filtrate media, it is below in conjunction with the accompanying drawings and real
Example is applied to be further described the present invention.
A kind of as shown in figure 1, stench processing system that more filtrate media are combined, it is characterised in that：The system mainly by
Following components form：Soil mixed layer 1, inorganic filler layer 2, large particle zeolite layer 3, blower fan 4, water distributor 5, gas distribution pipe 6,
Flase floor 7, water discharging valve 8；
Wherein, system generally size 1500mm (H) × 1100mm (W) × 200mm (D) casing, bottom is big
Particulate zeolites layer 3, gas distribution pipe 6 are installed among large particle zeolite layer and are connected with blower fan 4, and water discharging valve 8 is arranged on gas distribution pipe 6
Lower section；
Large particle zeolite layer 3 is up followed successively by：Flase floor 7, inorganic filler layer 2, soil mixed layer 1, water distributor 5, it is inorganic
Packing layer 2 uses brick type stacked structure with soil mixed layer 3.
The odor treatment method that a kind of more filtrate media are combined, is concretely comprised the following steps：
First, foul smell caused by odor source delivers into stench processing system, system generally size by blower fan 4
1500mm (H) × 1100mm (W) × 200mm (D) casing, it is 15cm that bottom, which is equipped with thickness, and particle size is the big of 6-8mm
Particulate zeolites layer 3, length are the centre that 1.2 meters of gas distribution pipes 6 are located at large particle zeolite layer, and gas distribution pitch of holes is 10cm.Due to boiling
The particle diameter of stone is larger, and porosity is higher, and foul smell can sufficiently be disperseed in large particle zeolite layer, and the flow velocity of foul smell is slack-off, makes smelly
Gas is uniformly distributed when entering inorganic filler layer, is reduced foul smell and is directly entered impact load caused by packing layer.In bulky grain
The flase floor 7 that hole mesh is provided between zeolite layer and inorganic filler layer less than volcanic rock particle diameter prevents from draining to bulky grain under volcanic rock
Zeolite layer bottom, the hole between zeolite is blocked, the uniformity of gas distribution is influenceed, causes system jams.
Then, foul smell enters the inorganic filler layer 2 being made up of volcanic rock, and the particle diameter of volcanic rock is (1-3) mm, has lazy
Property, corrosion resistance, its surface hydrophilicity is strong, rough porous, and foul smell is attracted to micropore surface.Volcanic rock in inorganic filler layer
Specific surface area is big, and porosity is high, has certain water holding and buffer capacity.Appropriate running water uniformly drips filter from system head,
Packing layer is set to maintain certain humidity, foul smell is attracted to damp soil surface, diffuses further into biomembrane, pollutant warp
The physiological metabolism process for crossing microorganism is converted into simple inorganic matter, as VOCs is converted into carbon dioxide and water, hydrogen sulfide conversion
For sulfate, ammonia is converted into nitrate etc..
And then foul smell not to be adsorbed enters adjacent soil mixed layer 1, and soil mixed layer uses three kinds of filler soil,
Wood chip, compost is with dry weight than 3：1：Load sackcloth composition after 1 ratio mixing.Itself is micro- containing what is enriched in soil mixed layer
Biology, therefore the microorganism of external source culture need not be added.Soil can grow for microorganism provides place of living away from home, soil mixed layer
In compost, on the one hand can be grown for microorganism and nutriment be provided, on the other hand can increase soil water-retaining, insulation, saturating
Gas ability.
The spacing of soil mixing between layers is 10cm, is made up of two kinds of soil blocks of different sizes, larger soil
Block length 30cm, less soil block length 10cm.Foul smell mixes by intersecting the inorganic filler layer stacked and soil successively from the bottom up
Layer is closed, adsorbs on the filler surface of moistening, is degraded by the biological chemistry action of microorganism.
Soil mixed layer uses brick type stacked structure with inorganic filler layer, can significantly improve the processing effect to foul smell
Rate, be advantageous to the blocking of anti-locking system.
The PVC water distributors 5 of the installation on system top are passed through appropriate running water, and aqueous water from top to bottom uniformly filter by drop, and one
Aspect can keep the moistening of filler, prevent filler to be air cured；On the other hand the material that filler surface obtains is dissolved in water, prevents from filling out
The accumulation of material surface mass causes filler pore plugging, and treatment effeciency reduces.Inorganic filler layer in itself without the enrichment of microorganism,
, so can be with but the microorganism in soil mixed layer and nutriment can be transported to inorganic filler layer by the aqueous water of flowing
After avoiding volcanic rock Long-Term Sorption, adsorption efficiency declines.The waste water for having dissolved filler surface contaminant stacks by intersecting successively
Soil mixed layer and volcanic rock inorganic filler layer be purified again by the suction-operated of microorganism.
Gas distribution pipe is located at bottom large particle zeolite layer, the uniform gas distribution of up-flow, and foul smell forms two using up-flow and water inlet
Phase countercurrent flow, the treatment effeciency of foul smell on the one hand can be lifted, on the other hand the running water of flowing can realize filler again
It is raw.
Multimedium stench processing system can increase substantially the treatment effeciency of foul smell, add aeration；Simultaneously to molten
The waste water for having solved pollutant has catharsis.Soil mixed layer intersects stacking with volcanic rock inorganic filler layer, and brick type structure has
Beneficial to avoiding system jams.By system physical suction-operated and the degradation of microorganism, caused waste water is from system bottom
The water discharging valve 8 in portion is discharged, meanwhile, the bottom that delivery port is located at gas distribution pipe can prevent the leakage of foul smell.Low concentration after processing
Pollution-free foul smell emits from system head.
Embodiment：
Foul smell caused by sewage treatment plant enters stench processing system through blower fan, and air inlet air quantity is 300mh-1, water distributor
Originally water droplet filter amount 9 × 10-3m-3·h-1.By to system deodorizing effect maintain the monitoring of 30 days, main evil in foul smell
Smelly pollutant H2S concentration is in (0.148~0.684) mgm-3Between, after hypermedia system is handled, H2S concentration exists
(0.013~0.064) mgm-3Between, for clearance up to more than 84.5%, average removal rate is up to 91.8%；NH3Air inlet it is dense
Degree is in (0.107~0.652) mgm-3Between, average out to 0.310mgm-3, after system purification, in (0~0.081) mg
m-3Between, average out to 0.040mgm-3.For its clearance more than 75.2%, average removal rate is up to 87.8%；Simultaneously with smelly
Gas concentration is monitoring index, and air inlet odor concentration is in (977~4121) OUm-3Between, after purified treatment, outlet odor concentration
In (174~447) OUm-3Between.Its clearance is more than 82.2%, and average removal rate 85.8%, outlet is substantially met
《Emission standard for odor pollutants》Two level factory circle discharge standard in (GB 14554-93).
Claims (9)
1. the stench processing system that a kind of more filtrate media are combined, it is characterised in that the system is mainly by following components
Composition：Soil mixed layer (1), inorganic filler layer (2), large particle zeolite layer (3), blower fan (4), water distributor (5), gas distribution pipe (6),
Flase floor (7), water discharging valve (8)；
Wherein, system generally size 1500mm (H) × 1100mm (W) × 200mm (D) casing, bottom is bulky grain
Zeolite layer (3), gas distribution pipe (6) are installed among large particle zeolite layer and are connected with blower fan (4), and water discharging valve (8) is arranged on cloth
The lower section of tracheae (6)；
Large particle zeolite layer (3) is up followed successively by：Flase floor (7), inorganic filler layer (2), soil mixed layer (1), water distributor
(5), inorganic filler layer (2) uses brick type stacked structure with soil mixed layer (1).
2. stench processing system according to claim 1, it is characterised in that soil mixed layer (1) thickness is 10cm, same to layer
Spacing between soil block is 10cm, uses three kinds of soil, wood chip, compost fillers to be filled after being mixed with ratio of the dry weight than the ︰ 1 of 3 ︰ 1
Enter gunny composition.
3. stench processing system according to claim 1, it is characterised in that inorganic filler layer (2) thickness is 10cm, by grain
The volcanic rock that footpath is 1-3mm forms.
4. stench processing system according to claim 1, it is characterised in that large particle zeolite layer (3) thickness is 15cm, by
The zeolite that particle diameter is 6-8mm forms.
5. stench processing system according to claim 1, it is characterised in that water distributor (5) length is 1.2m, between water distributing pore
Away from for 10cm, system head is located at using PVC material, uniformly drop filter.
6. stench processing system according to claim 1, it is characterised in that gas distribution pipe (6) length is 1.2m, between qi-emitting hole
Away from for 10cm, the uniform gas distribution of up-flow.
7. stench processing system according to claim 1, it is characterised in that flase floor (7) is less than volcano by hole mesh size
The stainless steel plate composition of rock particle diameter.
8. the processing method for the stench processing system that more filtrate media described in a kind of claim 1 are combined, it is characterised in that main
Comprise the following steps：
First, conveying of the foul smell through blower fan enters large particle zeolite layer by gas distribution pipe, and zeolite slows down gas flow rate and makes it
It is uniformly distributed and up enters inorganic filler layer；
Then, into inorganic filler layer gas by the micro-porous adsorption on volcanic rock surface, diffuse further into biomembrane, it is biological
It is decomposed into carbon dioxide, water, sulfate, nitrate；
Finally, complete gas not to be adsorbed up enters soil mixed layer, is thoroughly inhaled in the presence of Soil Microorganism
Attached and degrade, foul smell is effectively addressed.
9. odor treatment method according to claim 8, it is characterised in that the clearance of foul smell is put down more than 82.2%
Equal clearance is 85.8%.
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| CN201710607623.9A CN107469613A (en) | 2017-07-24 | 2017-07-24 | The stench processing system and method that a kind of more filtrate media are combined |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029623A (en) * | 2018-01-31 | 2018-05-15 | 上海绿椰农业种植专业合作社 | Fish plants cogeneration system and cultivates facility |
| CN108339394A (en) * | 2018-03-15 | 2018-07-31 | 北京师范大学 | Two-phase air cleaning system in a kind of flowerpot type multimedium room |
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