CN203807239U - Biological rotating disc wastewater treatment device - Google Patents
Biological rotating disc wastewater treatment device Download PDFInfo
- Publication number
- CN203807239U CN203807239U CN201320705863.XU CN201320705863U CN203807239U CN 203807239 U CN203807239 U CN 203807239U CN 201320705863 U CN201320705863 U CN 201320705863U CN 203807239 U CN203807239 U CN 203807239U
- Authority
- CN
- China
- Prior art keywords
- blodisc
- wastewater treatment
- type biological
- rotating disk
- biological contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 238000010992 reflux Methods 0.000 claims abstract description 22
- 230000008021 deposition Effects 0.000 claims description 40
- 238000004064 recycling Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000002203 pretreatment Methods 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract 9
- 239000007787 solid Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000010865 sewage Substances 0.000 description 17
- 229920001903 high density polyethylene Polymers 0.000 description 10
- 239000004700 high-density polyethylene Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a biological rotating disc wastewater treatment device. The device comprises a primary sediment tank, a multilevel rotating type biological contactor communicated with the primary sediment tank, an ultimate sediment tank communicated with the multilevel rotating type biological contactor, a biological solid storage device arranged on the lower sides of the primary sediment tank and the ultimate sediment tank, a reflux device and a driving device; the upper end of the multilevel rotating type biological contactor is positioned above the primary sediment tank; the lower end of the multilevel rotating type biological contactor is positioned at the inner part of the primary sediment tank. The utility model has the benefits that the device can conduct primary sediment pre-treatment, aerobiotic treatment, denitrification treatment and follow-up sediment treatment on waste water, and enables the BOD, COD, SS, and ammonia nitrogen in the waste water to reach the standard stably and simultaneously; moreover, the device is good in treatment effect, silent, low in cost, resource-saving, stable in operation, simple and reliable, good in social and environmental benefits, and wide in popularization range.
Description
Technical field
The utility model relates to sewage disposal device field, is specifically related to a kind of blodisc wastewater treatment equipment.
Background technology
Blodisc is a kind of biomembrance process treatment facility.Chief component has rotation axis, rotating disk, waste water treatment tank and drive unit etc.Microorganism growth also forms one deck microbial film and is attached to disc surface, and approximately 40%～45% card (part below rotating shaft) is immersed in waste water, and the first half is open in atmosphere.During work, wastewater streams is crossed tank, and electric motor rotates rotating disk, and microbial film is rotated and contacted with waste water with atmosphere, adsorbs the organism in waste water during submergence, absorbs the oxygen in atmosphere when open.The major advantage of blodisc is that power consumption is low, capacity of resisting impact load strong, without returned sluge, management operating, facilitates, be mainly used in the sewage plant stand that the water yield is less, practice in recent years shows, blodisc also can, for 200,000 tons of above large-scale wastewater treatment plants of day output, all well used aspect the Industrial Wastewater Treatment of the industries such as man-made fiber, petrochemical complex, printing and dyeing, leather and gas generating station simultaneously.
For reducing the efficiency of power consumption, cost saving and the raising treatment facility of bio-disc system, blodisc has had some new developments in recent years.According to type of drive, be mainly divided into driven by power blodisc, wind drive blodisc, hydro powered blodisc etc.; Different according to array mode, can be divided into again the blodisc built jointly with settling tank, with the blodisc of aeration tank combination, with the blodisc of denitrification tank combination, with acidication pretreater, the blodisc of oxygen filter tank combination etc. of holding concurrently, also occur that some novel blodiscs are as helotisn rotating disk, unit type high-strength elastic packing smell-less biological turnplate etc. simultaneously.Concrete service condition is depending on water quality, the water yield, place and processing requirements etc.
Facts have proved in a large number, blodisc has unique advantage in sewage disposal.But existing blodisc is an individual curing unit, must combine with other processing units; Not obvious in denitrification; Aging microbes flows out and causes water body suspended substance to increase with current simultaneously.
Utility model content
The purpose of this utility model be for provide a kind of easy to use, floor space is little and the blodisc wastewater treatment equipment stable, removal efficiency is high.
A blodisc wastewater treatment equipment, comprising: primary deposition case,
The multistage rotary type biological contactor being communicated with described primary deposition case,
The final settler being communicated with described multistage rotary type biological contactor,
Be located at described primary deposition case and described final settler downside biosolids holder and
Reflux and drive unit.
The upper end of multistage rotary type biological contactor is positioned at the top of described primary deposition case, and the lower end of multistage rotary type biological contactor is positioned at the inside of described primary deposition case.
As preferred technical scheme: the effluent trough that is provided with " V " font in described final settler.
As preferred technical scheme: described multistage rotary type biological contactor comprises several parallel rotating disk districts arranging, described in each, rotating disk district comprises that rotating disk groove and several are parallel and is arranged on the circular disc in described rotating disk groove, and upper part of described circular disc protrudes from the outside of described rotating disk groove.
As preferred technical scheme: described circular disc is reticulated structure.
As preferred technical scheme: described drive unit is arranged between described final settler and described multistage rotary type biological contactor, and described drive unit comprises: motor, the step-down gear being connected with described motor, the minor sprocket being connected with described step-down gear, be located at the hinge wheel of described minor sprocket one side, the rotating shaft that drives described minor sprocket and described hinge wheel to carry out chain transmission and be connected with described hinge wheel axle.Described rotating disk is connected with described rotating shaft axle.
As preferred technical scheme: described reflux is arranged in the rotating disk district of the close described final settler on described multistage rotary type biological contactor.
As preferred technical scheme: described reflux is arranged on the side of the circular disc of the close described primary deposition case in described rotating disk district.
As preferred technical scheme: described reflux comprise be positioned at described primary deposition case top accumulator tank, be communicated with described accumulator tank and the weir canal of downward-sloping setting and several are arranged on the recycling bin on described circular disc sidewall.
The material of circular disc is any one in high density polyethylene(HDPE) or glass reinforced plastic.
High density polyethylene(HDPE) (High Density Polyethylene, referred to as " HDPE ") is high, the nonpolar thermoplastic resin of a kind of degree of crystallinity.Have good resistance to great majority life and the characteristic of chemicals for industrial use, and dielectric strength is high, shock-resistance is good.
Glass reinforced plastic (FRP) is also called GRP, and fiber-reinforced plastic, refers generally to strengthen unsaturated polyester, epoxy resin and phenolic resin as matrix resin with glass fibre.Light weight is and hard, and non-conductive, physical strength is high, recycles less, corrosion-resistant, can replace steel manufacturing machine part and automobile, ship housing etc.
Sewage flows into from water-in, carries out primary deposition in primary deposition case, and a part of impurity is first precipitated in the biosolids holder of primary deposition case downside; Water flows into multistage rotary type biological contactor again and carries out biological degradation, then flows in final settler, and throw out is sink in the biosolids holder of final settler downside, and the water after processing is finally discharged from water outlet.Effluent trough and the water outlet of " V " font arranging in final settler are communicated with, and the effluent trough of " V " font can stop scum silica frost to leave final settler, have further improved the degree of cleaning of water after purifying.Biosolids holder timing labor cleaning once.
When circular disc rotates, recycling bin can scoop out waste water after processing and to accumulator tank, when this sewage falls into accumulator tank, it can be exposed in atmosphere, can fully contact and absorb fresh oxygen.Then sewage is fallen and fully mixes with the sewage of primary deposition case from a side of accumulator tank by a narrow weir canal as waterfall, thereby in primary deposition case, introduce fresh dissolved oxygen and nitrifier, and make most of superfluous active sludge be re-circulated to primary deposition case.The position of reflux is near water-in, therefore just entered the water with dissolved oxygen and nitrifier that the sewage of primary deposition case just can fall with reflux and mixed, and greatly improved the effect of sewage disposal.
The backflow water yield recently determines according to refluxing, and the number of recycling bin determined by the water yield that refluxes, therefore according to different reflux ratios, and the number of selection recycling bin that can be corresponding.
The beneficial effect the utlity model has:
Compared with prior art, the utility model is that first caisson, aerobe rotating disk treatment unit, denitrification treatment system, final settler, biosolids holder are organically incorporated into one.Can carry out just heavy pre-treatment to sewage, aerobic, denitrification is processed, post precipitation is processed, and can realize the stably reaching standard of BOD, COD in sewage, SS, ammonia nitrogen simultaneously.Because first caisson is positioned over rotating disk district lower floor, save a large amount of land use areas, capital construction investment and working cost are low; This installs whole current and all relies on flow by gravity, so do not need water pump and gas blower, complicated machinery and treating processes have been avoided, by the rotating shaft of blodisc device itself, rotate and just can carry out the recovery of recirculation water, and recirculation water flows automatically to a side of intaking in first caisson by accumulator tank and Yan Qu, can greatly reduce joint consumption, treatment effect is good; And noiselessness, expense are low, saving resource, stable operation, simple and reliable, have good society and environmental benefit, and promoted extension is wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model blodisc wastewater treatment equipment;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the side-looking structural representation in primary deposition Xiang Yu rotating disk district in Fig. 1;
Fig. 4 is that the A-A of Fig. 1 is to structural representation.
Embodiment
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model is not only confined to embodiment.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of blodisc wastewater treatment equipment, comprises primary deposition case 1, multistage rotary type biological contactor 2, final settler 10, biosolids storer 16, reflux 9 and drive unit.
Primary deposition case 1 is communicated with multistage rotary type biological contactor 2, final settler 10 is communicated with multistage rotary type biological contactor 2, one side of primary deposition case 1 is provided with water-in 17, water-in 17 is arranged on the position of close final settler 10 on primary deposition case 1, on final settler 10, is provided with water outlet 18.Sewage flows into from water-in 17, carries out primary deposition in primary deposition case 1, and a part of impurity is first precipitated in the biosolids holder 16 of primary deposition case 1 downside; Water flows into multistage rotary type biological contactor 2 again and carries out biological degradation, then flows in final settler 10, and throw out is sink in the biosolids holder 16 of final settler 10 downsides, and the water after processing is finally discharged from water outlet 18.And in final settler 10, be provided with the effluent trough of " V " font, and this effluent trough and water outlet 18 are communicated with, and the effluent trough of " V " font can stop scum silica frost to leave final settler 10, has further improved the degree of cleaning of water after purifying.Every 9 months labor cleanings of biosolids holder 16 once.
The upper end of multistage rotary type biological contactor 2 is positioned at the top of primary deposition case 1, and lower end is positioned at the inside of primary deposition case 1.Multistage rotary type biological contactor 2 comprises several parallel rotating disk districts arranging, and the quantity in rotating disk district can increase or reduce according to practical situation, in the present embodiment, always has 5 rotating disk districts.Each rotating disk district comprises that rotating disk groove 11 and several are parallel and is arranged on the circular disc 12 in rotating disk groove 11, and upper part of circular disc 12 protrudes from the outside of rotating disk groove 11.In fact, lower part of multistage rotary type biological contactor 2 is immersed in the inside of primary deposition case 1, upper part is exposed, rotating disk groove 11 is semicircular groove shape structure and the inside that is immersed in primary deposition case 1, therefore, lower part of circular circular disc 12 is also immersed in primary deposition case 1 inside, and upper part is exposed.
Circular disc 12 is reticulated structure, than level and smooth or undulatory rotating disk, can provide larger effective contact area.And the material of circular disc 12 is any one in high density polyethylene(HDPE) or glass reinforced plastic, good insulation preformance is corrosion-resistant again, and what the present embodiment adopted is high density polyethylene(HDPE).
Drive unit is arranged between final settler 10 and multistage rotary type biological contactor 2, and drive unit comprises motor 4, step-down gear 3, minor sprocket 7, hinge wheel 6, chain 8 and rotating shaft 5.
Step-down gear 3 is connected with motor 4, and minor sprocket 7 is connected with step-down gear 3, and hinge wheel 6 is located at a side of minor sprocket 7, and chain 8 drives minor sprocket 7 and hinge wheel 6 to carry out chain drive, and rotating shaft 5 is connected with hinge wheel 6 axles.Motor 4 drives minor sprocket 7 to rotate by step-down gear 3, continues to drive hinge wheel 7 to rotate by chain 8, finally drives rotating shaft 5 to rotate.In addition, all circular discs 12 are all connected with rotating shaft 5 axles, and the rotation of rotating shaft 5 also can drive circular disc 12 to rotate.
Reflux 9 is arranged in rotating disk district, quantity can increase and can subtract, in the present embodiment, only has a reflux 9, this reflux 9 is arranged in the rotating disk district near final settler 10 on multistage rotary type biological contactor 2, and is arranged on the side of the circular disc 12 of the close primary deposition case 1 in this rotating disk district.
Reflux 9 comprises accumulator tank 14, weir canal 15 and several recycling bins 13.
Accumulator tank 14 is positioned at the top of primary deposition case 1, and weir canal 15 is that cross section is the rectangular steel of groove type, i.e. channel-section steel.Weir canal 15 is communicated with and downward-sloping setting with accumulator tank 14, and recycling bin 13 is arranged on the sidewall of circular disc 12, and the quantity of recycling bin 13 can increase and can subtract, and the number of recycling bin 13 determined by the water yield that refluxes, and the backflow as required of the backflow water yield is recently determined.When rotating shaft 5 drives circular disc 12 to rotate, recycling bin 13 also can rotate around rotating shaft 5, and the waste water that recycling bin 13 is scooped out after processing is poured onto in accumulator tank 14, when this sewage falls into accumulator tank 14, it can be exposed in atmosphere, can fully contact and absorb fresh oxygen.Then sewage is fallen and fully mixes with the sewage of primary deposition case 1 from a side of accumulator tank 14 by the groove on weir canal 15 as waterfall, thereby to the interior introducing of primary deposition case 1 fresh dissolved oxygen and nitrifier, and make most of superfluous active sludge be re-circulated to primary deposition case 1.The position of reflux 9 is near water-in 17, therefore just entered the water with dissolved oxygen and nitrifier that the sewage of primary deposition case 1 just can fall with reflux 9 and mixed, and greatly improved the effect of sewage disposal.
Finally it should be noted that: above embodiment is only in order to illustrate the utility model and the described technical scheme of unrestricted the utility model, therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment, but, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, and all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in claim scope of the present utility model.
Claims (8)
1. a blodisc wastewater treatment equipment, is characterized in that:
Comprise primary deposition case (1),
The multistage rotary type biological contactor (2) being communicated with described primary deposition case (1),
The final settler (10) being communicated with described multistage rotary type biological contactor (2),
Be located at described primary deposition case (1) and described final settler (10) downside biosolids holder (16) and
Reflux (9) and drive unit,
The upper end of described multistage rotary type biological contactor (2) is positioned at the top of described primary deposition case (1), and the lower end of described multistage rotary type biological contactor (2) is positioned at the inside of described primary deposition case (1).
2. blodisc wastewater treatment equipment according to claim 1, is characterized in that: the effluent trough that is provided with " V " font in described final settler (10).
3. blodisc wastewater treatment equipment according to claim 2, it is characterized in that: described multistage rotary type biological contactor (2) comprises several parallel rotating disk districts arranging, described rotating disk district comprises rotating disk groove (11) and several parallel circular discs (12) being arranged in described rotating disk groove (11), and upper part of described circular disc (12) protrudes from the outside of described rotating disk groove (11).
4. blodisc wastewater treatment equipment according to claim 3, is characterized in that: described circular disc (12) is reticulated structure.
5. blodisc wastewater treatment equipment according to claim 3, it is characterized in that: described drive unit is arranged between described final settler (10) and described multistage rotary type biological contactor (2), described drive unit comprises: motor (4), the step-down gear (3) being connected with described motor (4), the minor sprocket (7) being connected with described step-down gear (3), be located at the hinge wheel (6) of described minor sprocket (7) one sides, drive described minor sprocket (7) and described hinge wheel (6) to carry out chain transmission (8), and the rotating shaft (5) being connected with described hinge wheel (6) axle.
6. blodisc wastewater treatment equipment according to claim 5, is characterized in that: described reflux (9) is arranged in the rotating disk district of the close described final settler (10) on described multistage rotary type biological contactor (2).
7. blodisc wastewater treatment equipment according to claim 6, is characterized in that: described reflux (9) is arranged on the side of the circular disc (12) of the close described primary deposition case (1) in described rotating disk district.
8. blodisc wastewater treatment equipment according to claim 7, is characterized in that: described reflux (9) comprising: be positioned at described primary deposition case (1) top accumulator tank (14), be communicated with described accumulator tank (14) and the weir canal (15) of downward-sloping setting and several are arranged on the recycling bin (13) on described circular disc (12) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705863.XU CN203807239U (en) | 2013-11-11 | 2013-11-11 | Biological rotating disc wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705863.XU CN203807239U (en) | 2013-11-11 | 2013-11-11 | Biological rotating disc wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807239U true CN203807239U (en) | 2014-09-03 |
Family
ID=51446024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705863.XU Expired - Lifetime CN203807239U (en) | 2013-11-11 | 2013-11-11 | Biological rotating disc wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807239U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601295A (en) * | 2013-11-11 | 2014-02-26 | 上海逸清环保工程设备有限公司 | Wastewater treatment device with biological rotating disc |
| CN104817164A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Novel biological disc reactor |
| CN104817163A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Biological disk plate and biological disk plate reactor composed of same |
-
2013
- 2013-11-11 CN CN201320705863.XU patent/CN203807239U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601295A (en) * | 2013-11-11 | 2014-02-26 | 上海逸清环保工程设备有限公司 | Wastewater treatment device with biological rotating disc |
| CN103601295B (en) * | 2013-11-11 | 2016-05-11 | 上海逸清环保工程设备有限公司 | A kind of biological rotating disk wastewater treatment equipment |
| CN104817164A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Novel biological disc reactor |
| CN104817163A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Biological disk plate and biological disk plate reactor composed of same |
| CN104817163B (en) * | 2015-05-13 | 2017-06-06 | 南京工大元凯生物能源环保科技有限公司 | The bio-disc reactor of bio-disc and its composition |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
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| CX01 | Expiry of patent term |