CN105152498B - Fish-gill-type oxygen-carrying purification system capable of rotating freely - Google Patents
Fish-gill-type oxygen-carrying purification system capable of rotating freely Download PDFInfo
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- CN105152498B CN105152498B CN201510704944.1A CN201510704944A CN105152498B CN 105152498 B CN105152498 B CN 105152498B CN 201510704944 A CN201510704944 A CN 201510704944A CN 105152498 B CN105152498 B CN 105152498B
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a fish-gill-type oxygen-carrying purification system capable of rotating freely. The system comprises a solar aeration region composed of a solar photovoltaic board, a controller, an inverter, a photovoltaic cable, a storage battery, a waterproof tank, an air pump, a fixed aeration pipe, a rotating aeration pipe and supporting original components. The fish-gill-type oxygen-carrying purification system is characterized in that the solar aeration unit is sequentially connected with a gill-filament-shaped oxygen dispersion-aerobic microorganism surviving region composed of rotating tee joints, an air spraying pipe, air dispersion holes, pumice and gill-filament-shaped active carbon fibers and a matrix filling aquatic plant purification region composed of emergent aquatic plants, submerged plants and hollow matrix filling baskets. Dissolved oxygen in water can be supplied on a large area, organic pollutants and nutritive salt can be efficiently removed, an aquatic ecosystem can be improved, and the system can help the water body to restore self-cleaning capacity, has the advantages of being attractive in appearance, simple in structure, economical and practical, and is suitable for treating and repairing common eutrophic water bodies.
Description
Technical field
The invention belongs to oxygen-enriched water purification technology field, more particularly to rotatable fish gill formula oxygen carrying purification system
System.
Background technology
Aquatic ecosystem is one of most important ecosystem of nature, and the development and progress for social economy has not
Alternative effect.Between in the past few decades, the mankind are by control, change river, the natural form and water regime in lake
To realize supplying water, generate electricity, the purpose such as shipping.The cumulative effect of these factors causes the great variety of aquatic ecosystem, plus
The unordered discharge of upper industrial wastewater and sanitary sewage, result in river course destruction, runoff exhaustion, water quality deterioration, water body self-purification ability
Reduction and ecological functions degenerate；In addition, many river lakeside slopes artificially destroy natural river by " hardening " or " canalization "
The biological chain of health, Riparian vegetation is reduced and grouting of bank slope result in biology and lack attachment space and living space, is made
Obtain stream self-purification ability more and more weaker, river lake ecosystem severe exacerbation, because of water body, increasingly eutrophication is even black in some areas
It is smelly, and it is to cause the main cause of black and odorous water that dissolved oxygen content is too low in water body.Aeration is carried out to eutrophication water oxygen-enriched
Increase the dissolved oxygen content in water, it is possible to achieve the pollutant in water is efficiently removed under aerobic microbiological effect, and then is improved
Black and odorous water phenomenon.
Existing aeration oxygen enrichment technology has good purification, can improve bio-diversity, the relative appearance of operational management at present
Easily, the advantages of cheap, non-secondary pollution, it has also become common technology in current river lake polluted water body restoration of the ecosystem.China
Patent application 201310756465.5 proposes a kind of " solar energy aeration oxygenation-plant bed carrier band Biological membrane device ", China specially
Profit application 201310248096.9 proposes " the oxygen-enriched nanomatrix complex ecological floating bed of a kind of wind and optical coupling ", Chinese patent
Application 200820156779.6 proposes a kind of " wind driving underwater aerator ", Chinese patent application 201310245862.6
A kind of " synchronous in-situ immobilization eutrophication water bodies of rivers and lakes and deposit can light enhancing oxygen-enriched organism structural system " be proposed, these
Scheme provides oxygen-enriched method for eutrophication dystrophication water ecology reparation, solves partial zones in aquatic ecosystem
The low problem of the dissolved oxygen content in domain, can efficiently go organic matter and other pollutants such as COD, nitrogen, phosphorus in water removal, but dissolving
The scope of oxygen diffusion is smaller, it is difficult to realize that aquatic ecosystem is oxygen-enriched on a large scale.
How to overcome the deficiencies in the prior art has turned into emphasis urgently to be resolved hurrily in current nature clean energy technology field
One of problem.
The content of the invention
Rotatable fish gill formula oxygen carrying purification system is provided it is an object of the invention to overcome the deficiencies in the prior art
System, the present invention increases the dissolved oxygen in slow flow water bodies and realizes that organic pollution and nutritive salt in water body efficiently go by large area
Remove, there is good appearance, simple structure and economical and practical, it is adaptable to the ecological management of oxygen-starved slow flow water bodies and repair
It is multiple.
According to rotatable fish gill formula oxygen carrying cleaning system proposed by the present invention, it includes solar energy photovoltaic panel, control
The sun of device processed, inverter, photovoltaic cable, battery, caisson, air pump, straight-through, immobilized film pipe and support original paper composition
Energy aeration zone, it is characterised in that solar energy aeration unit is fine with rotation aeration tube, swivel tee, air jet pipe, gill filament shaped activated carbon
The gill filament shape for tieing up composition dissipates oxygen-aerobic microbiological existence area and by emergent aquactic plant, submerged plant and hollow out matrix fill basket group
Into matrix fill aquatic plant purification area three be sequentially connected on framework, wherein：Solar energy photovoltaic panel is by supporting original paper
On the bamboo raft in the middle of framework, controller, inverter, battery and air pump are placed in caisson, solar energy photovoltaic panel,
Controller, inverter, battery are connected by photovoltaic cable, and immobilized film pipe is connected on air pump by straight-through, rotation aeration
Pipe and air jet pipe are connected on immobilized film pipe or rotation aeration tube by swivel tee, and gill filament shaped activated carbon fiber is wrapped in spray
On tracheae, emergent aquactic plant and submerged plant planting are in the hollow out matrix fill basket hung on framework.
The present invention realize principle be：The present invention for starting point, solar energy aeration is produced with " fish gill respiration mode "
O2Bigger area is diffused to by the aeration tube and air jet pipe that can rotate freely, the dissolved oxygen content in water body is increased,
On the one hand, the pollutant in simultaneously degradation water can be retained by the gill filament shaped activated carbon fiber after aerobic microbiological biofilm；It is another
Aspect, in the case of dissolved oxygen abundance, the suction-operated of matrix fill and the photosynthetic efficiency of water plant increase, so as to realize
The purpose of pollutant and lifting effects of purification quality in removal water body.
The present invention implements process：The present invention increases the O in water by solar energy aeration unit2, by Universal rotary
Turn threeway and realize rotating freely for air jet pipe, dissolved oxygen expands mode by " line " to " face " in making water body, considerably increases water body
Oxygen-enriched area；Dissolved Oxygen in Water content is raised, and aerobic state is showed, beneficial to the carrying out of nitrification；In the feelings that oxygen is sufficient
Under condition, the suction-operated of the degradation, matrix fill of aerobic microbiological and the assimilation effect of water plant can be more preferable
Played.
Its remarkable advantage is the present invention compared with prior art：
One is that oxygen-enriched area is multiplied.Rotatable aeration tube causes that Dissolved Oxygen in Water distribution area increases several times
To decades of times, make the dissolved oxygen content in water body more uniform, can large area realize that water body is oxygen-enriched, help to play aerobic micro- life
The effect of thing, strengthens the dirt-removing power of slow flow water bodies.
Two is contaminant removal efficiency high.The present invention using gill filament shape dissipate oxygen-aerobic microbiological existence area, matrix fill and
Water plant organically combines, and improves the effect of aerobic microbiological.
Three is the use of hollow out matrix fill basket, realizes the suction-operated of matrix fill, the degradation of microorganism and water
The effect that the assimilation of plant is acted in oxygen-enriched environment is more excellent.
Four is that solar energy aeration oxygenation eliminates additional power source auxiliary equipment, has not only reduced cost but also without secondary dirt
Dye, is effectively utilized the nature energy, it is to avoid the wasting of resources and environmental pollution.
Brief description of the drawings
Fig. 1 is the structural representation of rotatable fish gill formula oxygen carrying cleaning system proposed by the present invention.
Fig. 2 is the structural representation of biofilm gill filament shaped activated carbon fiber proposed by the present invention and rotatable scattered oxygen pipe
Figure.
Fig. 3 is the structural representation of hollow out filler matrix basket proposed by the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
With reference to Fig. 1, rotatable fish gill formula oxygen carrying cleaning system proposed by the present invention, it is characterised in that it is by the sun
Can aeration unit, the scattered oxygen of gill filament shape-aerobic microbiological existence area and matrix fill aquatic plant purification area composition；Solar energy aeration
Unit, gill filament shape dissipate oxygen-aerobic microbiological existence area and matrix fill aquatic plant purification area constitutes and is sequentially connected, and three
All it is fixed on framework 20；Wherein solar energy aeration unit by solar energy photovoltaic panel 1, controller 2, inverter 3, photovoltaic cable 4,
Battery 5, caisson 6, air pump 7, straight-through 8, immobilized film pipe 9 and support original paper 10 are constituted；Gill filament shape dissipates oxygen-aerobic micro- life
Thing survives area by the swivel tee 12 of rotation aeration tube 11, air jet pipe 13, air dispelling hole 14, Bubbled stone 15, gill filament shaped activated carbon fiber
16 compositions；Matrix fill aquatic plant purification area is by emergent aquactic plant 17, submerged plant 18 and hollow out matrix fill basket 19.
Solar energy photovoltaic panel 1 in specifically described solar energy aeration unit is arranged on framework by supporting original paper 10
On bamboo raft in the middle of 20, commercially available controller 2, inverter 3, battery 5 and air pump 7 are placed in caisson 6, and caisson 6 is put
In on bamboo raft, solar energy photovoltaic panel 1, controller 2, inverter 3, battery 5, air pump 7 are sequentially connected by photovoltaic cable 4；Gu
Determine aeration tube 9 to be connected on air pump 7 by straight-through 8, the material of immobilized film pipe 9 is stainless steel tube, immobilized film pipe 9 is with stainless
Fixation with steel wire is on framework 20.Solar power system provides energy to air pump 7, and oxygen is input in immobilized film pipe 9.
The top that described gill filament shape dissipates oxygen-aerobic microbiological existence area's rotation aeration tube 11 connects with immobilized film pipe 9,
Air jet pipe 13 is connected on rotation aeration tube 11 by swivel tee 12, rotates the bottom end seal of aeration tube 11；Swivel tee 12 can be with
360 degree are rotated freely, and the rotation aeration tube 11 and air jet pipe 13 connected by swivel tee 12 can also be rotated freely with current, real
The water body of existing large area is oxygen-enriched.Oxygen is diffused into water by air jet pipe 13, not only makes the dissolved oxygen levels of each layer water body of water body
There is different degrees of raising, strengthen the utilization rate of the oxygen of water body mid-deep strata；The contact area of water and air can be also improved, increases water
The dissolved oxygen amount of body.Oxygen-enriched environment can promote the carrying out of nitrification in slow flow water bodies, consume organic carbon, improve organic pollution
Removal efficiency.
The material of described gill filament shaped activated carbon fiber 16 is NACF.NACF specific surface area is big, aperture
Distribution is concentrated in range of micropores, is good biofilm carrier material with good biocompatibility.In order to avoid jet
The blocking of stomata in pipe 13, and ensure biofilm effect, the laying of NACF is advisable with density interphase, there is sparse at stomata,
Interval 1-2cm, it is intensive at pore-free, it is spaced 0.2-0.5cm.Air jet pipe 13 can be silicone tube or pvc pipe, to ensure oxygen
Utilization rate, using micro-pore aeration, is packed with hollow Bubbled stone 15 outside the drilling of air jet pipe 13, will be sprayed with marine glue at non-porous place
Tracheae 13 is sealed with Bubbled stone 15, and enough air pressure can ensure that air jet pipe 13 is not folded over and influences to spray oxygen effect.Sufficient
Dissolved oxygen can promote to be attached to the growth and breeding of aerobic microbiological in gill filament shaped activated carbon fiber 16, the organic contamination in water body
Thing is adsorbed by aerobic microbiological, is decomposed into easily by the inorganic salts of water plant assimilation.Swivel tee 12 can be caused
Air jet pipe 13 freely swings with gill filament shaped activated carbon fiber 16 with current, unnecessary, aging good on gill filament shaped activated carbon fiber 16
Oxygen animalcule can naturally come off with water body flow, it is ensured that the good metabolic efficiency of aerobic microbiological.
Emergent aquactic plant 17 and submerged plant 18 in described matrix fill aquatic plant purification area are planted in and hang on frame
In hollow out matrix fill basket 19 on frame 20.Hollow out matrix fill basket 19 is by biological ceramic particle, biozeolite and concreting
Form, thickness is 1-2cm；Submerged plant 17 is one or more in hornwort, water caltrop, black algae and p.malaianus；Very water
Plant 18 is one or more in water spinach, oenanthe stolonifera and vetiver；Framework 20 is mesh character form structure, and the material of framework 20 is
Mao bamboon.Emergent aquactic plant and submerged plant can absorb the nutritive salt in eutrophication water by root system and cauline leaf.Hollow out matrix is filled out
Filling biological ceramic particle and biozeolite in material basket 19, biological ceramic particle is 1 with the volume ratio of biozeolite:1~2:1, particle diameter be 1~
3cm.Biozeolite and biological ceramic particle can both adsorb the nutritive salt and organic matter in eutrophication water, can be carried for microorganism again
For existence place, the degradation of microorganism has ensured recycling for biozeolite and biological ceramic particle again；Meanwhile, biozeolite
The nutritive salt produced after the nutritive salt adsorbed with biological ceramic particle and microbial degradation can be planted in hollow out matrix fill
Water plant sorption enhanced in basket 19 is plant tissue, and the removal of water pollutant is realized by the harvesting to plant.
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, concrete operation step of the invention is further illustrated：
Rotatable fish gill formula oxygen carrying cleaning system proposed by the present invention, including by solar energy aeration area, gill filament shape
Dissipate oxygen-aerobic microbiological existence area and matrix fill aquatic plant purification area is sequentially connected from from top to bottom.
Step one：Framework 20 is made with mao bamboon, as shown in figure 1, the mesh word being made of the mao bamboon of 6 a diameter of 0.1m or so
Shape bamboo raft, support original paper 10 is installed in the centre position of bamboo raft, and solar energy photovoltaic panel 1 and caisson are installed on support original paper 10
6, controller 2, inverter 3, battery 5 and air pump 7, solar energy photovoltaic panel 1 and controller 2, inverter are installed in caisson 6
3rd, battery 5 is connected by photovoltaic cable 4.
Step 2：It is connected aeration tube 9, first rotation aeration tube 11 and air jet pipe 13 with straight-through 8 in the bottom of air pump 7
It is connected on immobilized film pipe 9 by swivel tee 12, second and its later rotation aeration tube 11 pass through swivel tee 12
Rotation aeration tube 11 and an air jet pipe 13 are connected to, positioned at the bottom end seal of rotation aeration tube 11 of bottommost.Rotation aeration
The material of pipe 11 and air jet pipe 13 is pvc pipe.
Step 3：Air dispelling hole 14, air dispelling hole diameter 2mm, between each two air dispelling hole 14 between 5mm are opened on air jet pipe 13
Every outside in air dispelling hole 14 installs hollow column Bubbled stone 15, the inner hollow diameter of Bubbled stone 15 and the external diameter of air jet pipe 13
Mutually agree with, edge sealing glue bond.
Step 4：Gill filament shaped activated carbon fiber 16 is wrapped on air jet pipe 13, canoe density interphase.There is bubble
At stone 15 and air dispelling hole 14, canoe is sparse, it is to avoid air-hole blockage；At bubble-free stone 15 and air dispelling hole 14, winding side
Formula is intensive, and enough specific surface areas are conducive to the enrichment of microorganism, as shown in Figure 2.
Step 5：The filamentous activated Carbon fibe 16 of zygobranchiate carries out microorganism colonization, biomembrane reaction in biofilm reactor
The initial concentration of the phosphate from sewage, COD and ammonia nitrogen of device is respectively 1.2mg/l, 97mg/l, 13mg/l, 30 days biofilm time,
Biofilm thickness 2-5mm.
Step 6：By biological ceramic particle, biozeolite and concrete by volume 3:3:1 pours and builds up thickness 1.5cm's or so
Hollow out matrix fill basket 19, is poured at the handle of hollow out matrix fill basket 19 with the stainless steel wire of diameter 5mm, and handle is provided with extension
Hook, loads biozeolite and biological ceramic particle, and both volume ratios are 1:1, then hollow out matrix fill basket 19 is suspended on framework 20
On.The particle diameter of biozeolite is 1-2cm, and the particle diameter of biological ceramic particle is 1-2cm, as shown in Figure 3.
Step 7：Location in water is true according to it for the water plant type planted in hollow out matrix fill basket 19
It is fixed, the water spinach of emergent aquactic plant 17 is planted in the hollow out matrix fill basket 19 of upper strata water body, positioned at the hollow out of middle lower floor's water body
The hornwort of planting submerged plant 18 is planted in matrix fill basket 19.
Rotatable fish gill formula oxygen carrying cleaning system water tank and common floating bed water tank are set, to synchronize examination
Test, the specification of water tank is length × wide × depth=131cm × 83cm × 63cm.Test water is added by a certain percentage in running water
Enter composite fertilizer, glucose and nutrient solution be made into total nitrogen, ammonia nitrogen, total phosphorus, phosphate, COD concentration be respectively 9.7 ±
0.2mg/l、2.85±0.07mg/l、0.4±0.08mg/l、0.16±0.04mg/l、80.2±3.7mg/l.It is freely rotatable
Fish gill formula oxygen carrying cleaning system specification for framework it is long × wide=60cm × 40cm, mao bamboon external diameter 0.1m；Hollow out matrix fill
The basket open external diameter of basket is 15cm, depth is 10cm, quantity 2；In hollow out matrix fill basket the planting density of water spinach be 80 plants/
m2；The planting density of water caltrop is 80 plants/m in the hollow out basket for fill matrix fill2.The specification of common floating bed for framework it is long ×
Width=60cm × 40cm, mao bamboon external diameter 0.1m, plant water spinach thereon, and planting density is 80 plants/m2。
Experiment lasts 10 days.During experiment, water spinach and water caltrop during off-test, can freely revolve in well-grown
Water body purification rate in the fish gill formula oxygen carrying cleaning system water tank and common floating bed water tank that turn is shown in Table 1.Result of the test shows：Can be certainly
It is notable and rotatable to the removal effect of N, P pollutant in water body by the fish gill formula oxygen carrying cleaning system water tank for rotating
The 3- of the dissolved oxygen concentration dissolved oxygen concentration in being common floating bed water tank during testing in fish gill formula oxygen carrying cleaning system water tank
20 times.
Table 1：Wind and the oxygen-enriched nanomatrix complex ecological floating bed pond of optical coupling and common floating bed pond purifying rate (%) contrast table
Above specific embodiment and embodiment are net to application rotatable fish gill formula oxygen carrying proposed by the present invention
The specific support of the technological thought of change system, it is impossible to which protection scope of the present invention is limited with this, it is every according to proposed by the present invention
Technological thought, any equivalent variations done on the basis of the technical program or equivalent change, still fall within the technology of the present invention
The scope of scheme protection.
Claims (9)
1. rotatable fish gill formula oxygen carrying cleaning system, it is characterised in that it includes that solar energy aeration unit, gill filament shape dissipate
Oxygen-aerobic microbiological existence area and matrix fill aquatic plant purification area；Wherein solar energy aeration unit, gill filament shape dissipate oxygen-good
Oxygen animalcule existence area and matrix fill aquatic plant purification area are constituted and are sequentially connected, and three is fixed on framework；Its
Middle solar energy aeration unit is by solar energy photovoltaic panel, controller, inverter, photovoltaic cable, battery, caisson, air pump, straight
Logical, immobilized film pipe and support original paper composition；Gill filament shape dissipates oxygen-aerobic microbiological existence area by rotation aeration tube, rotation three
Logical, air jet pipe, air dispelling hole, bubble and gill filament shaped activated carbon fiber composition；Matrix fill aquatic plant purification area by emergent aquactic plant,
Submerged plant and hollow out matrix fill basket are constituted.
2. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that the described sun
Can photovoltaic panel by supporting original paper on the bamboo raft in the middle of the framework；Controller, inverter, battery and air pump are located at anti-
In water tank；Solar energy photovoltaic panel, controller, inverter, battery and air pump are connected by photovoltaic cable；Immobilized film pipe leads to
Cross straight-through being connected on air pump；The top for rotating aeration tube is connected with immobilized film pipe, and air jet pipe is connected by swivel tee and revolved
Turn on aeration tube, rotate aeration tube bottom end seal；Gill filament shaped activated carbon fiber is wrapped on air jet pipe, emergent aquactic plant and heavy water
Planting is in the hollow out matrix fill basket hung on framework.
3. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described jet
Pipe and gill filament shaped activated carbon fiber can be rotated freely for 360 degree with rotation aeration tube with current.
4. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that the described gill filament
Shaped activated carbon fiber is to be made an a plurality of parallel of warp " gill filament shape " by NACF, and in aerobic microbiological enrichment
Environment in carry out microorganism colonization.
5. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described hollow out
Biological ceramic particle, biozeolite, concrete and the stainless steel wire that matrix fill basket is less than 1cm by particle diameter are poured and formed, hollow out diameter
Less than 1cm；The biological ceramic particle and biozeolite of filling more than particle diameter 1.5cm in hollow out matrix fill basket.
6. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described is aquatic
The emergent aquactic plant of plant is one or more in water spinach, oenanthe stolonifera and vetiver.
7. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described is aquatic
The submerged plant of plant is one or more in hornwort, water caltrop, black algae and p.malaianus.
8. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described framework
It is " mesh " character form structure, the material of framework is mao bamboon.
9. rotatable fish gill formula oxygen carrying cleaning system according to claim 1, it is characterised in that described fixation
The material of aeration tube and rotation aeration tube is stainless steel tube.
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| US4749447A (en) * | 1983-05-06 | 1988-06-07 | Lew Hyok S | Evacuated evaporation-pressurized condensation solar still |
| CN2442992Y (en) * | 2000-09-25 | 2001-08-15 | 彭方鲜 | Combined multifunctional sewage treater |
| CN2626978Y (en) * | 2003-04-30 | 2004-07-21 | 财团法人工业技术研究院 | Artificial branchia dissolved oxygen acquisition device |
| CN101475293B (en) * | 2009-02-04 | 2013-09-25 | 新奥科技发展有限公司 | Wastewater treating and recycling process |
| JP2012091108A (en) * | 2010-10-26 | 2012-05-17 | Takahisa Jitsuno | Vacuum distillation apparatus using solar heat |
| CN202237569U (en) * | 2011-10-12 | 2012-05-30 | 新疆德安环保科技有限公司 | Hydraulic solid-liquid two-phase separator |
| CN202576107U (en) * | 2012-05-16 | 2012-12-05 | 山东普民环保科技有限公司 | Dispersing device with respiratory function |
| CN204111415U (en) * | 2014-09-11 | 2015-01-21 | 山东普民环保科技有限公司 | A kind of sewage purification multi-stage biological reaction unit |
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Inventor after: Yan Wenming Inventor after: Wang Peifang Inventor after: Liu Ling Inventor after: Yang Yanqing Inventor after: Sun Long Inventor after: Yan Feng Inventor after: Zhu Suge Inventor after: Wang Leyang Inventor before: Yan Wenming Inventor before: Wang Peifang Inventor before: Liu Ling Inventor before: Yang Yanqing Inventor before: Yan Feng Inventor before: Zhu Suge |
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| COR | Change of bibliographic data | ||
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| GR01 | Patent grant |