CN107364951A - A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source - Google Patents
A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source Download PDFInfo
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- CN107364951A CN107364951A CN201710732345.XA CN201710732345A CN107364951A CN 107364951 A CN107364951 A CN 107364951A CN 201710732345 A CN201710732345 A CN 201710732345A CN 107364951 A CN107364951 A CN 107364951A
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- 239000000443 aerosol Substances 0.000 title claims abstract description 85
- 230000000813 microbial effect Effects 0.000 title claims abstract description 79
- 239000010865 sewage Substances 0.000 title claims abstract description 74
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 63
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 30
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- 238000007254 oxidation reaction Methods 0.000 claims description 6
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- 239000010802 sludge Substances 0.000 claims description 6
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of device that microbial aerosol pollutant in sewage is reduced from source, including some floatation units, some floatation units are arranged as being integrally formed netted connecting structure, the netted connecting structure will not be broken up by air-flow or current, the netted connecting structure is located in sewage biological treatment facility, and it is covered on the liquid level that can produce microbial aerosol pollutant, four walls of the netted connecting structure and sewage biological treatment facility are not fixed, and the netted connecting structure can freely fluctuate in liquid level.The invention also discloses a kind of method that microbial aerosol pollutant in sewage is reduced from source.The present invention significantly reduces the yield of microbial aerosol pollutant on source, handles high efficiency, and effect is good.
Description
Technical field
The present invention relates to microbial aerosol in resource and environment technical field, more particularly to a kind of sewage from source reduction
The apparatus and method of pollutant.
Background technology
Microbial aerosol typically refers to, microorganism under single-cell suspension state with dry solids or liquid particle
Be connected the bioaerosol of formation of suspending in atmosphere, and its aerodynamic diameter is within 100 μm.Sewage Biological Treatment system
Contain a large amount of different types of microorganisms, including various bacteriums, fungi, virus and protozoan etc. in system.Some of particle diameters
Microorganism in 1 to 100 μ m is easy to spill into air, microbial aerosol is formed, to the body of periphery personnel
Health care belt carrys out great potential threat.
Microbial aerosol has the harmfulness of general aerosol first.Particle diameter is 2.1 to 4.7 μm of microorganism particle energy
Enough enter the trachea and bronchus of people, easily cause the respiratory tract infection of human body；Particle diameter be 0.65 to 2.1 μm microorganism particle then
The alveolar of people can be freely accessible to, possible permanent damage is caused to the respiratory system of people.It is micro- in addition to the harm with general aerosol
Bioaerosol due also to have vital activity, therefore its aerial propagation and diffusion can also cause mankind's anaphylactia or
Epiphytotics propagation.Even there is epidemiological study to show, can be produced in the specific crowd of sewage disposal environmental work life for a long time
A series of raw health effects, can particularly cause sewage worker syndrome (sewage worker ' s syndrome)：Often
Property there is general malaise, weakness, acute rhinitis, the symptom such as fever；With daily cough, the probability being short of breath with asthma
About 30% is higher by than other industry practitioner；Respiratory system and disease of skin are nearly all suffered from after working more than 10 years.
Having in existing research every both at home and abroad and patent is all a lot, trail processing or disposes caused microorganism
Aerosol contaminants；And for reducing side caused by microbial aerosol pollutant in biological wastewater treatment process from source
Method, then completely without reference to.
The content of the invention
In view of this, microbial aerosol pollutant can be substantially reduced from source the embodiment provides a kind of
Yield, treatment effeciency is high, the apparatus and method that microbial aerosol pollutant in sewage is reduced from source of high treating effect.
Embodiments of the invention provide a kind of device that microbial aerosol pollutant in sewage is reduced from source, if including
Dry floatation unit, some floatation units are arranged as being integrally formed netted connecting structure, and the netted connecting structure will not be by air-flow
Or current break up, the netted connecting structure is located in sewage biological treatment facility, and is covered in and can be produced microbial aerosol
On the liquid level of pollutant, four walls of the netted connecting structure and sewage biological treatment facility are not fixed, the netted connection knot
Structure can freely fluctuate in liquid level.
Further, the floatation unit is hollow sphere, and a diameter of 1 to 5 centimetre of the hollow sphere, ball wall thickness is 1
Millimeter, the hollow sphere is baton round.
Further, some hollow spheres are connected by carbon fiber line to be arranged as being integrally formed netted connecting structure,
The quantity of the carbon fiber line is the ranks number sum of hollow sphere arrangement, and the carbon fiber line passes through hollow ball in transverse direction
The center of body, by the connection of compact arranged hollow sphere a line a line in transverse direction, the carbon fiber line is along the longitudinal direction
Through the center of hollow sphere, by the connection that compact arranged hollow sphere one arranges along the longitudinal direction, and then formed in length and breadth
Netted connecting structure staggeredly.
Further, some hollow spheres are arranged as being integrally formed netted connecting structure by gravity, during change is described
The density of empty spheroid, enable hollow sphere holding position in liquid level constant.
Further, the hollow sphere is filled to water by the water filling change density in spheroid into the hollow sphere
Depth is the 1/3 to 1/2 of sphere diameter.
Further, the aeration quantity positive correlation in the number of plies and sewage biological treatment facility of the netted connecting structure, it is same
There are gap, the hollow sphere of top mesh connecting structure between the hollow sphere of the netted connecting structure of layer and the hollow sphere around it
Cover the gap of the netted connecting structure of lower floor.
Further, the floatation unit is plastic tab, and the plastic tab is square, and the length of side is 1 to 5 centimetre, thick
Spend for 1 millimeter.
Further, some plastic tabs are connected by carbon fiber line to be arranged as being integrally formed netted connecting structure,
The corner of the adjacent adj acent plastic thin slice in corner of the plastic tab, the quantity of the carbon fiber line are the row of plastic tab arrangement
Columns sum, the carbon fiber line pass through the diagonal of plastic tab in transverse direction, will compact arranged modeling in transverse direction
Expect the connection of thin slice a line a line, the carbon fiber line passes through the diagonal of plastic tab along the longitudinal direction, will along the longitudinal direction
The connection that compact arranged plastic tab one arranges, and then form crisscross netted connecting structure.
Further, the floatation unit is hollow sphere and plastic tab, the length of side and hollow sphere of the plastic tab
Diameter it is consistent.
Further, some plastic tabs and some hollow spheres are arranged as being integrally formed netted connecting structure, described
Some plastic tabs first pass through carbon fiber line connection and arrange and be integrated, the adjacent adj acent plastic thin slice in corner of the plastic tab
Corner, have gap between the plastic tab and plastic tab around it, the hollow sphere passes through weight in gap
It is constant that power acts on holding position in liquid level.
Further, the liquid level that can produce microbial aerosol pollutant includes the water inlet lattice of sewage biological treatment facility
Grid, aeration tank, oxidation ditch, sludge concentration tank, sedimentation basin and delivery port, the floatation unit in the trash rack is hollow ball
Body, and be arranged as by gravity being integrally formed netted connecting structure；Floatation unit in the sludge concentration tank is plastic tab,
And connected by carbon fiber line to be arranged as being integrally formed netted connecting structure；Floatation unit in the sedimentation basin is thin for plastics
Piece or hollow sphere, and connected by carbon fiber line to be arranged as being integrally formed netted connecting structure；The floating of the delivery port
Unit is plastic tab and hollow sphere, and is connected by carbon fiber line to be arranged as being integrally formed netted connecting structure；It is described
In aeration tank or oxidation ditch, during blast aeration, floatation unit is plastic tab or hollow sphere, and by carbon fiber line connect and
It is arranged as being integrally formed netted connecting structure；During surface aeration, floatation unit is hollow sphere, and is integrated by gravity arrangement
Form netted connecting structure；When turning brush/rotating disk aeration, floatation unit is plastic tab and hollow sphere, and passes through carbon fiber line
Connect and be arranged as being integrally formed netted connecting structure.
Further, the various lifes of the device applied to sewage that microbial aerosol pollutant in sewage is reduced from source
Thing processing procedure, the various biological sewage treatment devices for having aeration or drop process, including it is town domestic sewage treatment plant, various
Industrial Wastewater Treatment facility and artificial swamp.
A kind of method that microbial aerosol pollutant in sewage is reduced from source, comprises the following steps：
S1. floatation unit is selected according to the liquid level that can produce microbial aerosol pollutant；
S2. the step S1 floatation units selected are arranged as being integrally formed netted connecting structure, ensure the netted connection
Structure will not be broken up by air-flow or current；
S3. netted connecting structure is located in sewage biological treatment facility, and be covered in can produce microbial aerosol dirt
On the liquid level for contaminating thing, four walls of the netted connecting structure and sewage biological treatment facility are not fixed, the netted connecting structure
Can freely it be fluctuated in liquid level；
S4. in aeration process, netted connecting structure is reduced to be sprayed from liquid phase by bubbles burst, spray of water or water curtain
The microbial aerosol of gas phase is transferred to, and then reduces the yield of microbial aerosol pollutant；
During drop, netted connecting structure is reduced falls the broken microorganism that gas phase is transferred to from liquid phase by drop
Aerosol, and then reduce the yield of microbial aerosol pollutant, i.e., reduce microbial aerosol in sewage from source and pollute
Thing.
Compared with prior art, the invention has the advantages that：
(1) liquid of microbial aerosol can be produced by being laid in hollow sphere or plastic tab in sewage biological treatment facility
On face, to reduce because of the bubbles burst containing microorganism caused by aeration or because the drop containing microorganism caused by drop falls
Fall broken, so as to significantly reduce the yield of microbial aerosol pollutant on source, method is simple, ingenious, can be wide
It is general to be applicable；It is 60L min that the netted connecting structure of single a diameter of 1 centimetre of hollow sphere such as is laid in into aeration quantity-1City
When in the aeration tank of sewage treatment plants, it is possible to reduce about more than 80% microbial aerosol pollutant yield.
It is (2) such a that method caused by microbial aerosol pollutant has in reduction biological wastewater treatment process from source
Fabulous economic benefit, it is only less than 500 yuan to handle effluent charge per ton, but can be reduced from source more than 80% it is micro-
Bioaerosol pollutant yield, it handles benefit and is significantly larger than common trail processing or disposal caused microorganism
The method of aerosol contaminants.
Brief description of the drawings
Fig. 1 is that floatation unit passes through in the device of microbial aerosol pollutant in a kind of sewage from source reduction of the present invention
Carbon fiber line connects and is arranged as being integrally formed a schematic diagram of netted connecting structure.
Fig. 2 is the schematic diagram of two layers of netted connecting structure in Fig. 1.
Fig. 3 is the schematic diagram of three-layer network shape connecting structure in Fig. 1.
Fig. 4 is that floatation unit passes through in the device of microbial aerosol pollutant in a kind of sewage from source reduction of the present invention
Gravity is arranged as being integrally formed a schematic diagram of netted connecting structure.
Fig. 5 is the sectional view of the hollow sphere in Fig. 4.
Fig. 6 be the present invention it is a kind of from source reduce sewage in microbial aerosol pollutant device in another floatation unit
Connected by carbon fiber line to be arranged as being integrally formed a schematic diagram of netted connecting structure.
Fig. 7 be the present invention it is a kind of from source reduce sewage in microbial aerosol pollutant device in another floatation unit
Connected by carbon fiber line to be arranged as being integrally formed a schematic diagram of netted connecting structure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Embodiment 1
Fig. 1 is refer to, microbial aerosol pollutant in sewage is reduced from source the embodiment provides one kind
Device, including some floatation units 2, some floatation units 2 are arranged as being integrally formed netted connecting structure 1, described netted
Junction structure 1 will not be broken up by air-flow or current, i.e., the air-flow or the current of drop that will not be aerated break up.
In one embodiment, floatation unit 2 is hollow sphere 21, and the diameter of the hollow sphere 21 is preferably 1 to 5 li
Rice, ball wall thickness are 1 millimeter, and the hollow sphere 21 is baton round.
Some hollow spheres 21 are connected by carbon fiber line 3 to be arranged as being integrally formed netted connecting structure 1, the carbon fibre
The quantity for tieing up line 3 is the ranks number sum that hollow sphere 21 arranges, and the carbon fiber line 3 passes through hollow sphere 21 in transverse direction
Center, by the connection of compact arranged a line a line of hollow sphere 21 in transverse direction, the carbon fiber line 3 is along the longitudinal direction
Through the center of hollow sphere 21, by the connection that compact arranged hollow sphere 21 1 arranges along the longitudinal direction, and then formed
Crisscross netted connecting structure 1.
Netted connecting structure 1 is located in sewage biological treatment facility, and is covered in and can be produced microbial aerosol pollutant
Liquid level on, four walls of the netted connecting structure 1 and sewage biological treatment facility are not fixed, the netted energy of connecting structure 1
Freely fluctuated in liquid level.
Aeration quantity positive correlation in the number of plies and sewage biological treatment facility of netted connecting structure 1, netted connecting structure 1 can
Think individual layer, bilayer or three layers, as shown in Figures 2 and 3, other suitable numbers of plies also can, the netted connecting structure 1 of same layer it is hollow
There is gap 4 between spheroid 21 and hollow sphere 21 around it, it is netted that the hollow sphere 21 of top mesh connecting structure 1 covers lower floor
The gap 4 of connecting structure 1.
Embodiment 2
Fig. 4 and Fig. 5 are refer to, the present embodiment differs only in embodiment 1, and some hollow spheres 21 pass through weight
Power is arranged as being integrally formed netted connecting structure 1, changes the density of the hollow sphere 21, enables the hollow sphere 21 in liquid
Holding position is constant in face, and and can ensures that hollow sphere 21 is suspended on liquid level, the air-flow or the water of drop that will not be aerated
Stream breaks up, the hollow sphere 21 by spheroid water filling change density, into the hollow sphere 21 being filled to the depth of water is
The 1/3 to 1/2 of sphere diameter.Yu Ze is substantially the same manner as Example 1.
Embodiment 3
Fig. 6 is refer to, microbial aerosol pollutant in sewage is reduced from source the embodiment provides one kind
Device, including some floatation units 2, some floatation units 2 are arranged as being integrally formed netted connecting structure 1, described netted
Junction structure 1 will not be broken up by air-flow or current, i.e., the air-flow or the current of drop that will not be aerated break up.
In one embodiment, floatation unit 2 is plastic tab 22, and the plastic tab 22 is square, and the length of side is preferably 1
To 5 centimetres, thickness is 1 millimeter.
Some plastic tabs 22 are connected by carbon fiber line 3 to be arranged as being integrally formed netted connecting structure 1, the plastics
The corner of the adjacent adj acent plastic thin slice 22 in corner of thin slice 22, the quantity of the carbon fiber line 3 are the row that plastic tab 22 arranges
Columns sum, the carbon fiber line 3 pass through the diagonal of plastic tab 22 in transverse direction, will be compact arranged in transverse direction
The connection of a line a line of plastic tab 22, the carbon fiber line 3 pass through the diagonal of plastic tab 22 along the longitudinal direction, will be along vertical
The connection arranged to the compact arranged plastic tab 22 1 in direction, and then form crisscross netted connecting structure 1.
Embodiment 4
Fig. 7 is refer to, microbial aerosol pollutant in sewage is reduced from source the embodiment provides one kind
Device, including some floatation units 2, some floatation units 2 are arranged as being integrally formed netted connecting structure 1, described netted
Junction structure 1 will not be broken up by air-flow or current, i.e., the air-flow or the current of drop that will not be aerated break up.
In one embodiment, floatation unit 2 is hollow sphere 21 and plastic tab 22, the length of side of the plastic tab 22 with
The diameter of hollow sphere 21 is consistent, and some plastic tabs 22 and some hollow spheres 21 are arranged as being integrally formed netted connection knot
Structure 1.
Some plastic tabs 22 first pass through carbon fiber line 3 and connect and arrange and be integrated, connected mode with described in embodiment 3,
The corner of the adjacent adj acent plastic thin slice 22 in corner of the plastic tab 22, the plastic tab 22 and the plastic tab around it
There is gap 4 between 22, the hollow sphere 21 is in gap 4, and holding position is constant in liquid level by Action of Gravity Field.
Integrated embodiment 1- embodiments 4, the liquid level that can produce microbial aerosol pollutant is set including Sewage Biological Treatment
Trash rack, aeration tank, oxidation ditch, sludge concentration tank, sedimentation basin and the delivery port applied, the floatation unit in the trash rack
2 be hollow sphere 21, and is arranged as by gravity being integrally formed netted connecting structure 1；Floating list in the sludge concentration tank
Member 2 is plastic tab 22, and is arranged as by carbon fiber line 3 being integrally formed netted connecting structure 1；Floating in the sedimentation basin
Unit is plastic tab 22 or hollow sphere 21, and is arranged as by carbon fiber line 3 being integrally formed netted connecting structure 1；It is described
The floatation unit 2 of delivery port is plastic tab 22 and hollow sphere 21, and by carbon fiber line 3 is arranged as being integrally formed netted
Junction structure 1；In the aeration tank or oxidation ditch, during blast aeration, floatation unit 2 is plastic tab 22 or hollow sphere 21, and
It is arranged as being integrally formed netted connecting structure 1 by carbon fiber line 3；During surface aeration, floatation unit 2 is hollow sphere 21, and
It is arranged as being integrally formed netted connecting structure 1 by gravity；When turning brush/rotating disk aeration, floatation unit 2 is plastic tab 22 with
Empty spheroid 21, and be arranged as by carbon fiber line 3 being integrally formed netted connecting structure 2.
Various biological treatment process of the device applied to sewage of microbial aerosol pollutant in sewage are reduced from source,
The various biological sewage treatment devices for having aeration or drop process, including at town domestic sewage treatment plant, various industrial wastewaters
Manage facility and artificial swamp.
A kind of method that microbial aerosol pollutant in sewage is reduced from source, comprises the following steps：
S1. floatation unit is selected according to the liquid level that can produce microbial aerosol pollutant；
S2. the floatation unit 2 that step S1 is selected is arranged as being integrally formed netted connecting structure 1, ensured described netted
Junction structure 1 will not be broken up by air-flow or current；
S3. netted connecting structure 1 is located in sewage biological treatment facility, and be covered in can produce microbial aerosol dirt
On the liquid level for contaminating thing, four walls of the netted connecting structure 1 and sewage biological treatment facility are not fixed, the netted connecting structure
Can freely it be fluctuated in liquid level；
S4. in aeration process, netted connecting structure 1 is reduced to be sprayed from liquid by bubbles burst, spray of water or water curtain
Phase transfer to gas phase microbial aerosol, and then reduce microbial aerosol pollutant yield；
During drop, netted connecting structure 1 is reduced falls broken micro- life that gas phase is transferred to from liquid phase by drop
Thing aerosol, and then reduce the yield of microbial aerosol pollutant, i.e., it is dirty to reduce microbial aerosol in sewage from source
Contaminate thing.
Application examples
Certain municipal sewage plant is using A/O methods processing sanitary sewage, treating capacity 10000m3/ d, aeration quantity 60L
min-1.The place of collection microbial aerosol sample is in aeration tank overhead, and sample collection is highly 1.5 meters.Sampling repeats to try
Test in triplicate, average.Sample devices is 6 grades of biomone samplers of Andersen FA-1 types, gas flow during sampling
For 28.3L/min, biomone sampler capture rate is about 85%-89%.Gathered using beef extract-peptone agar medium
Heterotrophicy bacteria in gas, 24h is cultivated in 37 DEG C of insulating boxs；Fungi is gathered with rose bengal medium, is cultivated at 28 DEG C
5d；Clump count in glass dishes at different levels is counted respectively, and calculates air microbe concentration according to this.
Aerial microbial aerosol concentration (CFU/m on the aeration tank of table 13)
In order to reduce the generation of microbial aerosol pollutant in biological wastewater treatment process from source, in aeration tank liquid
The hollow sphere of the netted connecting structure 1 of individual layer, 1 centimetre of diameter, 1 millimeter of ball wall thickness are laid in face.Layout diagram such as Fig. 1 institutes
Show.Monitoring is before and after laying, aerial microbial aerosol concentration on aeration tank.As a result as shown in table 1, heterotrophicy bacteria and fungi
Microbial aerosol concentration is reduced respectively generates 88.58% and 90.38%, therefore lays the hollow of the netted connecting structure 1 of individual layer
Spheroid, the generation of microbial aerosol pollutant in aeration process can be substantially reduced on source.
Hollow sphere or plastic tab are laid in sewage biological treatment facility by the present invention can produce microbial aerosol
Liquid level on, with reduce because of the bubbles burst containing microorganism caused by aeration or because of the liquid containing microorganism caused by drop
Drop is fallen broken, and so as to significantly reduce the yield of microbial aerosol pollutant on source, method is simple, ingenious,
It is broadly applicable；It is 60L min that the netted connecting structure of single a diameter of 1 centimetre of hollow sphere such as is laid in into aeration quantity-1's
When in the aeration tank of city domestic sewage treatment plant, it is possible to reduce about more than 80% microbial aerosol pollutant yield；
It is such a that method caused by microbial aerosol pollutant has fabulous economy in reduction biological wastewater treatment process from source
Benefit, it is only less than 500 yuan to handle effluent charge per ton, but can reduce by more than 80% microbial aerosol from source
Pollutant yield, it handles benefit and is significantly larger than common trail processing or disposal caused microbial aerosol pollution
The method of thing.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (13)
1. a kind of device that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that single including some floatings
Member, some floatation units are arranged as being integrally formed netted connecting structure, and the netted connecting structure is located at Sewage Biological Treatment and set
Shi Zhong, and be covered on the liquid level that can produce microbial aerosol pollutant, the netted connecting structure and Sewage Biological Treatment
Four walls of facility are not fixed, and the netted connecting structure can freely fluctuate in liquid level.
2. the device according to claim 1 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
The floatation unit is hollow sphere, and a diameter of 1 to 5 centimetre of the hollow sphere, ball wall thickness is 1 millimeter, the hollow ball
Body is baton round.
3. the device according to claim 2 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
Some hollow spheres are connected by carbon fiber line to be arranged as being integrally formed netted connecting structure, the number of the carbon fiber line
The ranks number sum for hollow sphere arrangement is measured, the carbon fiber line passes through the center of hollow sphere in transverse direction, will be along horizontal stroke
Connection to the compact arranged hollow sphere a line a line in direction, the carbon fiber line are passed through in hollow sphere along the longitudinal direction
The heart, by the connection that compact arranged hollow sphere one arranges along the longitudinal direction, and then form crisscross netted connection knot
Structure.
4. the device according to claim 2 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
Some hollow spheres are arranged as being integrally formed netted connecting structure by gravity, change the density of the hollow sphere, make
The hollow sphere can in liquid level holding position it is constant.
5. the device according to claim 4 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
The hollow sphere is filled to the depth of water into the hollow sphere as the 1/ of sphere diameter by the water filling change density in spheroid
3 to 1/2.
6. the device according to claim 2 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
Aeration quantity positive correlation in the number of plies and sewage biological treatment facility of the netted connecting structure, the netted connecting structure of same layer
There are gap, the netted connection of hollow sphere covering lower floor of top mesh connecting structure between hollow sphere and hollow sphere around it
The gap of structure.
7. the device according to claim 1 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
The floatation unit is plastic tab, and the plastic tab is square, and the length of side is 1 to 5 centimetre, and thickness is 1 millimeter.
8. the device according to claim 7 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
Some plastic tabs are connected by carbon fiber line to be arranged as being integrally formed netted connecting structure, the side of the plastic tab
The corner of the adjacent adj acent plastic thin slice in angle, the quantity of the carbon fiber line are the ranks number sum of plastic tab arrangement, the carbon
Single passes through the diagonal of plastic tab in transverse direction, by compact arranged plastic tab a line a line in transverse direction
Connection, the carbon fiber line along the longitudinal direction pass through plastic tab diagonal, will along the longitudinal direction compact arranged plastics it is thin
The connection that piece one arranges, and then form crisscross netted connecting structure.
9. the device according to claim 1 that microbial aerosol pollutant in sewage is reduced from source, it is characterised in that
The floatation unit is hollow sphere and plastic tab, and the length of side of the plastic tab is consistent with the diameter of hollow sphere.
10. the device according to claim 9 that microbial aerosol pollutant in sewage is reduced from source, its feature exist
In some plastic tabs and some hollow spheres are arranged as being integrally formed netted connecting structure, some plastic tabs
First pass through carbon fiber line connection and arrange and be integrated, the corner of the adjacent adj acent plastic thin slice in corner of the plastic tab is described
There is gap between plastic tab and plastic tab around it, the hollow sphere is in gap, and by Action of Gravity Field in liquid
Holding position is constant in face.
11. the device that microbial aerosol pollutant in sewage is reduced from source according to claim any one of 1-10,
Characterized in that, trash rack of the liquid level that microbial aerosol pollutant can be produced including sewage biological treatment facility,
Aeration tank, oxidation ditch, sludge concentration tank, sedimentation basin and delivery port, the floatation unit in the trash rack is hollow sphere, and
It is arranged as being integrally formed netted connecting structure by gravity；Floatation unit in the sludge concentration tank is plastic tab, and is led to
Cross carbon fiber line connection and be arranged as being integrally formed netted connecting structure；Floatation unit in the sedimentation basin for plastic tab or
Hollow sphere, and connected by carbon fiber line to be arranged as being integrally formed netted connecting structure；The floatation unit of the delivery port
For plastic tab and hollow sphere, and connected by carbon fiber line to be arranged as being integrally formed netted connecting structure；The aeration
In pond or oxidation ditch, during blast aeration, floatation unit is plastic tab or hollow sphere, and is connected by carbon fiber line to arrange
It is integrated and forms netted connecting structure；During surface aeration, floatation unit is hollow sphere, and is arranged as being integrally formed by gravity
Netted connecting structure；When turning brush/rotating disk aeration, floatation unit is plastic tab and hollow sphere, and is connected by carbon fiber line
And it is arranged as being integrally formed netted connecting structure.
12. the device according to claim 1 that microbial aerosol pollutant in sewage is reduced from source, its feature exist
In, the various biological treatment process of the device applied to sewage that microbial aerosol pollutant in sewage is reduced from source,
The various biological sewage treatment devices for having aeration or drop process, including at town domestic sewage treatment plant, various industrial wastewaters
Manage facility and artificial swamp.
13. the method that microbial aerosol pollutant in sewage is reduced from source according to claim any one of 1-10,
It is characterised in that it includes following steps：
S1. floatation unit is selected according to the liquid level that can produce microbial aerosol pollutant；
S2. the step S1 floatation units selected are arranged as being integrally formed netted connecting structure, ensure the netted connecting structure
It will not be broken up by air-flow or current；
S3. netted connecting structure is located in sewage biological treatment facility, and is covered in and can produce microbial aerosol pollutant
Liquid level on, four walls of the netted connecting structure and sewage biological treatment facility are not fixed, and the netted connecting structure can be
Freely fluctuated in liquid level；
S4. in aeration process, netted connecting structure is reduced to be shifted by bubbles burst, spray of water or water curtain sprinkling from liquid phase
To the microbial aerosol of gas phase, and then reduce the yield of microbial aerosol pollutant；
During drop, netted connecting structure reduce fallen by drop crush be transferred to from liquid phase gas phase bacterial gas it is molten
Glue, and then reduce the yield of microbial aerosol pollutant, i.e., reduce microbial aerosol pollutant in sewage from source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732345.XA CN107364951A (en) | 2017-08-23 | 2017-08-23 | A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732345.XA CN107364951A (en) | 2017-08-23 | 2017-08-23 | A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source |
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| Publication Number | Publication Date |
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| CN107364951A true CN107364951A (en) | 2017-11-21 |
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ID=60312431
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710732345.XA Pending CN107364951A (en) | 2017-08-23 | 2017-08-23 | A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source |
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Citations (5)
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|---|---|---|---|---|
| GB1457721A (en) * | 1975-01-21 | 1976-12-08 | Passavant Werke | Apparatus for the surface aeration of waste water |
| CN103790218A (en) * | 2013-08-27 | 2014-05-14 | 史春龙 | Method for reducing bacterial aerosol diffusion during water flushing of toilet stool |
| CN104150707A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for treating sewage by using biological rotating disc |
| CN105582792A (en) * | 2014-09-12 | 2016-05-18 | 北京建筑大学 | Equipment and method for synchronously removing odor substances and microorganism aerosol |
| CN207294304U (en) * | 2017-08-23 | 2018-05-01 | 中国地质大学（武汉） | A kind of device that microbial aerosol pollutant in sewage is reduced from source |
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2017
- 2017-08-23 CN CN201710732345.XA patent/CN107364951A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1457721A (en) * | 1975-01-21 | 1976-12-08 | Passavant Werke | Apparatus for the surface aeration of waste water |
| CN103790218A (en) * | 2013-08-27 | 2014-05-14 | 史春龙 | Method for reducing bacterial aerosol diffusion during water flushing of toilet stool |
| CN104150707A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for treating sewage by using biological rotating disc |
| CN105582792A (en) * | 2014-09-12 | 2016-05-18 | 北京建筑大学 | Equipment and method for synchronously removing odor substances and microorganism aerosol |
| CN207294304U (en) * | 2017-08-23 | 2018-05-01 | 中国地质大学（武汉） | A kind of device that microbial aerosol pollutant in sewage is reduced from source |
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| HSUEH FEN HUNG ET AL.: "Use of floating balls for reducing bacterial aerosol emissions from aeration in wastewater treatment processes", 《JOURNAL OF HAZARDOUS MATERIALS》 * |
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Application publication date: 20171121 |