CN206318767U - Electroplating wastewater activated sludge process denitrification system - Google Patents
Electroplating wastewater activated sludge process denitrification system Download PDFInfo
- Publication number
- CN206318767U CN206318767U CN201621267499.3U CN201621267499U CN206318767U CN 206318767 U CN206318767 U CN 206318767U CN 201621267499 U CN201621267499 U CN 201621267499U CN 206318767 U CN206318767 U CN 206318767U
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- China
- Prior art keywords
- plug
- aeration tank
- flow type
- type active
- active sludge
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Links
- 239000010802 sludge Substances 0.000 title claims abstract description 68
- 239000002351 wastewater Substances 0.000 title claims abstract description 26
- 238000009713 electroplating Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 19
- 238000005273 aeration Methods 0.000 claims abstract description 55
- 238000007667 floating Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 238000005276 aerator Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 7
- 239000005416 organic matter Substances 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 244000005700 microbiome Species 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 239000002699 waste material Substances 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
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of electroplating wastewater activated sludge process denitrification system, it is made up of the plug-flow type active sludge aeration tank connected successively and mudpan, wherein the bottom of plug-flow type active sludge aeration tank is provided with aeration tube, plug-flow type active sludge aeration tank is provided with water inlet pipe, floating stuffing is distributed with plug-flow type active sludge aeration tank, plug-flow type active sludge aeration tank top is provided with the overfall being connected with mudpan；The top of mudpan offers delivery port, and the bottom of mudpan is connected to discharge pipeline and mud return line, and mud return line is connected with plug-flow type active sludge aeration tank.The clearance of organic matter and ammonia nitrogen, and compact conformation can be improved using the utility model, floor space is small, capital expenditure be saved, without adding other reagent chemicalses.
Description
Technical field
The utility model is related to a kind of sewage treatment equipment, more particularly to a kind of electroplating wastewater activated sludge process denitrogenation system
System.
Background technology
With being continuously increased of population in the world, the continuous acceleration for continuing to develop, industrialize urbanization process of society, produce
Sanitary wastewater amount growth rate is exceedingly fast.Electroplating wastewater and most industrial wastewater contain substantial amounts of inorganic nutritive element such as nitrogen, phosphorus, make
Into the pollution especially eutrophication of receiving water body.In the processing of current electroplating wastewater and low-concentration industrial waste water, account for
Absolute leading position is activated sludge process.Traditional activated sludge process does not have the function of denitrogenation, based on biology aerobic nitrification
The theory of anoxic denitrification, develops the activated sludge process and device of a variety of biological denitrificaions, and such as A2O, SBR sewage disposal is filled
Put, but generally existing hydraulic detention time length, processing pond volume are big, capital expenditure is costly, operational management is complicated, variation water quality
When treatment effect the defect such as cannot be guaranteed.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art there is provided a kind of simple in construction, cost is relatively low,
And can effectively remove the electroplating wastewater activated sludge process denitrification system of ammonia nitrogen and organic matter in electroplating wastewater.
The purpose of this utility model is achieved through the following technical solutions：The utility model electroplating wastewater activated sludge
Method denitrification system is made up of the plug-flow type active sludge aeration tank connected successively and mudpan, wherein the pulling flow type is lived
Property sludge aeration bottom of pond portion be provided with aeration tube, the plug-flow type active sludge aeration tank is provided with water inlet pipe, and the pulling flow type is lived
Property sludge aeration pond in be distributed with floating stuffing, it is heavy with the sludge that the top of the plug-flow type active sludge aeration tank is offered
The overfall that shallow lake pond is connected, the floating stuffing is polypropylene non-woven fabric material cylinder type floating stuffing；
The top of the mudpan offers the downflow weir communicated with delivery port, and the bottom of the mudpan connects
There are discharge pipeline and mud return line, the mud return line is connected with the plug-flow type active sludge aeration tank.
It is preferred that, the aeration tube is uniformly distributed in the bottom of the plug-flow type active sludge aeration tank, equally distributed
The aeration tube can provide sufficient and uniform oxygen for the plug-flow type active sludge aeration tank, and satisfaction is distributed in the plug-flow
The oxygen demand of the floating stuffing in formula activated sludge aeration pond.
It is preferred that, the aeration tube is diaphragm type micro-pore aerator, and the diaphragm type micro-pore aerator uses silicon rubber
Multiple small Self-closed holes are distributed with glue material, the diaphragm type micro-pore aerator.The diaphragm type micro-pore aerator work
When making, the multiple small Self-closed hole can open automatically under air pressure, and air is put into pond and is oxygenated；If pressure
Disappear, the small Self-closed hole of aeration tube will be closed automatically, prevent that water from pouring in down a chimney in inflow micropore.
It is preferred that, the polypropylene non-woven fabric material cylinder type floating stuffing is MULTILAYER COMPOSITE cylinder type.Each poly- third
It is cavity structure between alkene nonwoven layer.
It is preferred that, the polypropylene non-woven layer of cloth of the multi-layer cylinder type of the polypropylene non-woven fabric material cylinder type floating stuffing
Connected by supporting plate.
It is preferred that, the upper bottom surface of the polypropylene non-woven fabric material cylinder type floating stuffing is perforation cover plate, piercing cap
Some apertures are offered on plate.
Such design can greatly increase the reaction contact area of floating stuffing, thus improve microorganism to organic matter and
The transformation efficiency of ammonia nitrogen.Using Non-woven cloth suspension filler proportion close to water, with cheap, low energy consumption, without extra brackets,
The incomparable advantage of other fillers such as convenient to install and maintain.
It is preferred that, the mudpan has bucket, and sludge is snapped down to discharge pipeline by self gravitation along bucket wall, prevents
Only sludge occurs accumulation and blocked.
The utility model is directly added in plug-flow type active sludge aeration tank by the floating stuffing with proportion close to water
As the active carrier of microorganism, fluidized state is in by the aeration and the castering action of current in aeration tank, due to many
The transitivity of layer composite cylinder type structure and oxygen, the different biological species of outgrowth in floating stuffing, growth inside one
A little anaerobic bacterias and amphimicrobe, outside is aerobic bacteria, makes one small reaction vessel of each floating stuffing formation, makes nitrification anti-
Answer, anti-nitration reaction is carried out simultaneously.When microorganism is attached on floating stuffing, grow microorganism floating floating stuffing with
The convolution inverting action of electroplating wastewater and move freely, so as to reach the purpose of electroplating wastewater processing.
The utility model has advantages below compared with prior art：
1st, the utility model compact conformation, floor space is small, saves capital expenditure, is particularly suitable for use in containing the higher electricity of ammonia nitrogen
Waste electroplating processing；
2nd, the utility model can be used as a part for other processing systems, can also isolated operation, controllability is strong,
It is easy to operate；
3rd, the floating stuffing using plug-flow type active sludge aeration tank and with MULTILAYER COMPOSITE cylinder type is combined, and is increased
Add effective contact area, greatly improve the clearance of organic matter and ammonia nitrogen；
4th, other reagent chemicalses need not be added.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electroplating wastewater activated sludge process denitrification system；
Fig. 2 is the schematic diagram of polypropylene non-woven fabric material cylinder type floating stuffing in the utility model；
Fig. 3 is the top plan view of polypropylene non-woven fabric material cylinder type floating stuffing shown in Fig. 2.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of one or more related Listed Items.
As shown in figure 1, the structural representation of the electroplating wastewater activated sludge process denitrification system for the embodiment of the utility model one
Figure, the utility model electroplating wastewater activated sludge process denitrification system 100 is the plug-flow type active sludge aeration tank by connecting successively
200 and mudpan 300 constitute, the top front end of plug-flow type active sludge aeration tank 200 is provided with water inlet pipe 210 and air inlet pipe
220, the delivery port of water inlet pipe 210 stretches into the bottom of plug-flow type active sludge aeration tank 200, plug-flow type active sludge aeration tank
200 bottoms are provided with aeration tube 222, and aeration tube 222 is connected with air inlet pipe 220, and aeration tube 222 is through plug-flow type active sludge
The bottom of aeration tank 200, and bottom of pond is uniformly distributed in, be conducive to providing sufficient and equal for plug-flow type active sludge aeration tank 200
Even oxygen, meets the oxygen demand for the floating stuffing 400 being distributed in plug-flow type active sludge aeration tank 200；Aeration tube 222
Preferably diaphragm type micro-pore aerator, diaphragm type micro-pore aerator uses silastic material, diaphragm type micro-pore aerator
On be distributed with multiple small Self-closed holes, when diaphragm type micro-pore aerator works, the multiple small Self-closed hole is in air pressure
Under can open automatically, air is put into pond and is oxygenated；If distress resolves, small Self-closed hole will be closed automatically, be prevented
Water pours in down a chimney in inflow micropore；Dividing plate 230, dividing plate are provided between plug-flow type active sludge aeration tank 200 and mudpan 300
Overfall 231 is arranged at 230 top, and its aperture is less than the diameter of floating stuffing 400；The top of mudpan 300 is offered out
The mouth of a river 320 and the downflow weir 310 being connected with delivery port 320, mudpan 300 are rectangle pond, delivery port 320 and overflow
Mouthfuls 231 are opened in the two ends of the longer sides of mudpan 300 respectively, can be provided for waste water stream sufficiently long hydraulic detention time with
Precipitating sludge；The bottom of mudpan 300 is provided with sludge pump 340, the connection discharge pipeline 360 of sludge pump 340 and and pulling flow type
Sludge reflux valve 351, discharge pipeline are housed on the mud return line 350 that activated sludge aeration pond 200 is communicated, mud return line 350
Mud valve 361 is housed on 360.
Be distributed with floating stuffing 400 in plug-flow type active sludge aeration tank 200, floating stuffing 400 be preferably polypropylene without
Spin cloth material cylinder type floating stuffing.As shown in Figures 2 and 3, respectively described polypropylene non-woven fabric material cylinder floating stuffing
400 schematic diagram and top plan view.The polypropylene non-woven fabric material cylinder type floating stuffing 400 is MULTILAYER COMPOSITE cylinder type
Structure, the polypropylene non-woven layer of cloth 430 of multi-layer cylinder type is connected by supporting plate 440, is between each polypropylene non-woven layer of cloth 430
Cavity structure, the upper bottom surface of polypropylene non-woven fabric material cylinder type floating stuffing 400 is perforation cover plate 410, cover plate 410 of perforating
On offer some apertures 420, such design can greatly increase the reaction contact area of floating stuffing, so as to improve micro- life
Thing is to organic matter and the transformation efficiency of ammonia nitrogen.The proportion of polypropylene non-woven fabric material cylinder type floating stuffing 400 has close to water
Cheap, low energy consumption, the advantage incomparable without other fillers such as extra brackets, convenient to install and maintain.
During operation, electroplating wastewater is flowed into plug-flow type active sludge aeration tank 200 by water inlet pipe 210, its uninterrupted
It can be adjusted by water intaking valve 211, electroplating wastewater is thoroughly mixed aeration, water in plug-flow type active sludge aeration tank 200
The power residence time is about 3 hours, and aeration quantity can be adjusted by aeration tube 222, while Air Exposure is carried out, due to pushing away
Floating stuffing 400 from outside to inside oxygen concentration gradient of the equally distributed proportion close to water in flow type active sludge aeration tank 200
The gradually denitrification formed by reduction and produced by oxygen anaerobism, so that the removal to ammonia nitrogen is realized, the water conservancy residence time
About 7 hours, then electroplating wastewater pass through overfall 231 flow into mudpan 300, the hydraulic retention of mudpan 300
Time is about 2 hours, and supernatant flows into delivery port 320 through downflow weir 310 and discharged, and the bottom of mudpan 300 has bucket
330, the sludge deposited can be snapped down to mud discharging mouth by self gravitation along bucket wall, prevent that sludge from occurring accumulation and stifled
Plug, mud return line 350 and discharge pipeline 360 are arranged at the bottom of mudpan 300, by sludge pump 340 can realize sludge reflux or
Arranged outside sludge.
The above embodiment only expresses several embodiments of the present utility model, and it describes more specific and detailed
Carefully, but can not therefore and be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the general of this area
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of electroplating wastewater activated sludge process denitrification system, it is characterised in that including the plug-flow type active sludge connected successively
Aeration tank and mudpan；
Plug-flow type active sludge aeration tank bottom is provided with aeration tube, and the plug-flow type active sludge aeration tank is provided with into water
Floating stuffing is distributed with pipe, the plug-flow type active sludge aeration tank, the top of the plug-flow type active sludge aeration tank is opened
Provided with the overfall being connected with the mudpan, the floating stuffing is that the suspension of polypropylene non-woven fabric material cylinder type is filled out
Material；
The top of the mudpan offers the downflow weir communicated with delivery port, and the bottom of the mudpan is connected to row
Mud pipe and mud return line, the mud return line are connected with the plug-flow type active sludge aeration tank.
2. electroplating wastewater activated sludge process denitrification system according to claim 1, it is characterised in that the aeration tube is uniform
It is distributed in the bottom of the plug-flow type active sludge aeration tank.
3. electroplating wastewater activated sludge process denitrification system according to claim 2, it is characterised in that the aeration tube is film
Finned pipe type micro-hole aerator.
4. electroplating wastewater activated sludge process denitrification system according to claim 1, it is characterised in that the polypropylene non-woven
It is cavity structure between MULTILAYER COMPOSITE cylinder type, each polypropylene non-woven layer of cloth that cloth material cylinder type floating stuffing, which is,.
5. electroplating wastewater activated sludge process denitrification system according to claim 4, it is characterised in that each polypropylene without
Connected between spinning layer of cloth by some supporting plates.
6. electroplating wastewater activated sludge process denitrification system according to claim 4, it is characterised in that the polypropylene non-woven
The upper bottom surface of cloth material cylinder type floating stuffing is to offer some apertures on perforation cover plate, the perforation cover plate.
7. electroplating wastewater activated sludge process denitrification system according to claim 1, it is characterised in that the mudpan
With bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267499.3U CN206318767U (en) | 2016-11-22 | 2016-11-22 | Electroplating wastewater activated sludge process denitrification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267499.3U CN206318767U (en) | 2016-11-22 | 2016-11-22 | Electroplating wastewater activated sludge process denitrification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206318767U true CN206318767U (en) | 2017-07-11 |
Family
ID=59264631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267499.3U Active CN206318767U (en) | 2016-11-22 | 2016-11-22 | Electroplating wastewater activated sludge process denitrification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206318767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445299A (en) * | 2017-09-18 | 2017-12-08 | 广东益康生环保服务有限公司 | A kind of split backflow declines oxygen denitrification reactor |
| CN107686166A (en) * | 2017-10-18 | 2018-02-13 | 连云港豪瑞生物技术有限公司 | Integrated A/O device based on embedding bacterium technology |
-
2016
- 2016-11-22 CN CN201621267499.3U patent/CN206318767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445299A (en) * | 2017-09-18 | 2017-12-08 | 广东益康生环保服务有限公司 | A kind of split backflow declines oxygen denitrification reactor |
| CN107686166A (en) * | 2017-10-18 | 2018-02-13 | 连云港豪瑞生物技术有限公司 | Integrated A/O device based on embedding bacterium technology |
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