CN205442795U - A high efficiency aeration biological filter device for angering explosive waste water treatment - Google Patents
A high efficiency aeration biological filter device for angering explosive waste water treatment Download PDFInfo
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- CN205442795U CN205442795U CN201620226636.2U CN201620226636U CN205442795U CN 205442795 U CN205442795 U CN 205442795U CN 201620226636 U CN201620226636 U CN 201620226636U CN 205442795 U CN205442795 U CN 205442795U
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Abstract
The utility model relates to a high efficiency aeration biological filter device for angering explosive waste water treatment belongs to the waste water treatment field. The utility model discloses an ammonia nitrogen and shortcomings such as organic matter degradation treatment process complicacy, processing costs height in effective solution fire explosive waste water recycling. The device includes: the system of intaking, play water system, aeration systems, the recoil system of intaking, the water system that recoils out, supporting layer, packing layer. The utility model discloses combine materialization and biochemical technology, act on through filler adsorption and filtration and hold back tiny suspended solid, and then get rid of most ammonia nitrogen and organic pollutant through the inside and outside biochemical treatment effect of packing, guarantee out water retrieval and utilization up to standard. The utility model discloses the installation cost is low, the treatment effect is good, and the ammonia nitrogen is dropped to below the 5mgL behind the waste water treatment, and COD is less than 50mgL.
Description
Technical field
This utility model relates to a kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, belongs to field of waste water treatment.
Background technology
For the sustainable development of enterprise, energy-saving and emission-reduction, the waste water of qualified discharge needs to carry out Treatment for Reuse, effectively reduces enterprise's fresh water water.Piercing reaming is after one-level, two stage treatment, after reaching discharge standard, need to reach after further treatment to flush the toilet, afforest regeneration standard.
Typically containing nitro pollutant in Piercing reaming, complex treatment process, processing cost are high, and domestic is active carbon adsorption, chemical oxidization method currently for Piercing reaming process for reclaiming.
Common BAF, originally water supply filter tank technique, rear development is widely used in the secondary treatment system of the higher concentration waste water such as municipal sewage, living miscellaneous wastewater, community life sewage, food processing, there is the effects such as removal SS, COD, BOD, nitrification, denitrogenation, it is characterized in integrating biochemical and retaining float, save post precipitation processing unit, i.e. ensure efficiently to process, save again technique unit.
Common BAF, in the structure (see accompanying drawing 1), uses concrete material as gripper shoe, and it makes complicated with construction and installation to use strainer head to carry out water distribution, and strainer head changes more difficulty.
Common BAF produces aerobic section by outside aeration, utilizes filler internal voids to produce hold concurrently oxygen, anaerobism section.The hydraulic detention time causing double oxygen anaerobism is shorter, and oxygen anaerobic species living environment of holding concurrently is limited, and the Piercing reaming effect therefore processing difficult degradation is limited.
Utility model content
The purpose of this utility model is cannot to meet Industrial Wastewater Treatment requirement, and the problem of high cost to solve prior art, it is provided that a kind of high-efficiency aeration biological filter tank device processed for Piercing reaming.
The purpose of this utility model is achieved through the following technical solutions.
A kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, including supporting layer, filter material layer, exhalant region, effluent trough, backwash drain pipe, purifies water drain, flitch settling zone, grid-type stabilier, aeration tube, backwash air supply pipe；Also include recoil air inlet pipeline, backflushing water intake pipe road and filter tank water inlet pipe；Described aeration tube is placed in filter material layer, and keeps at a distance with filter tank water inlet pipe；Supporting layer is positioned at bottom filter tank；Filter tank water inlet pipe, recoil air inlet pipeline and backflushing water intake pipe road are respectively placed on supporting layer, are from top to bottom sequentially distributed, and wherein filter tank water inlet pipe and close aeration tube is closest；
BAF top arrangement sloping plate deposition district and grid-type stabilier are substituted by effluent weir；The side of effluent weir is provided with outlet canal；The bottom of outlet canal is connected with outlet pipe；It is provided with recoil outlet canal away from the side of effluent weir at outlet canal；
Described aeration tube is placed in filter material layer middle and lower part, is positioned at filter material layer at the end 1/3rd；
Work process:
1) normally intake state:
Keep water inlet, water outlet automatic valve to open, keep recoil water inlet, recoil air intake valve to close.
Keep aerating pipelines unimpeded, uniform aeration.
Starting elevator pump, Piercing reaming passes through elevator pump, through inlet channel, is uniformly intake by bottom filter tank, and waste water is through packing layer, from top effluent weir from flowing into outlet canal water outlet.After water outlet, regulate aeration intensity so that the dissolved oxygen in water is maintained between 1.5-2.Design waste water, reached to remove ammonia nitrogen and the purpose of degradation of organic substances through biochemical action to ensure that waste water has the sufficient time of staying in the space of packing layer at 3-4h with packing layer time of contact.
2) backwash state:
After water flow is less than the 10% of water inlet metered flow, illustrate that filter material layer has blocking, backwash need to be carried out, first carry out gas recoil, during gas recoil, require to keep water inlet, flowing water Valve to close, opening recoil air intake valve (keeping normal aeration), back flushing air portion's packing layer bottom-up washes away, and washes away in water by the blocking material that filling surface adheres to, after recoil air inlet 5-8min, carry out air water back washing.
Opening backwashing intake valve door, start recoil water pump, back-flushing is upwards rinsed by filter tank bottommost, and the tamper drifted about in water passes sequentially through effluent weir, outlet canal, and recoil outlet canal flows out.After air-water backwashing 10-15 minute, close air intake valve, close recoil water pump, close backwashing intake valve door, open flowing water Valve, inlet valve, start inlet water lifting pumps, keep normal water inlet.
3. high-efficiency aeration biological filter tank device, run employing PLC automatic control system, system fan and water pump use VFC, electromagnetic flowmeter is installed in water inlet manifold road, Inlet and outlet water and feed channel install operated pneumatic valve, opened by the startup of PC control equipment and the automatic control of valve, it is achieved the unattended operation of full-automation of whole device.
Beneficial effect
1, for a kind of device of change explosive waste water Treatment for Reuse, in order to effectively solve in Piercing reaming Treatment for Reuse, ammonia nitrogen and the shortcoming such as organic matter degradation complex treatment process, processing cost height, use special highly effective aeration biological filter device, ammonia nitrogen removal frank may be up to more than 90%, and organic cod clearance can reach 60%, above, and required capital expenditure is few, effluent quality is good: operation energy consumption is low, and operating cost is few, non-secondary pollution, automaticity is high, can realize unattended.
2, materialization is combined by this utility model with biochemical process, by the setting of aerating pipelines, filler is divided into aerobic zone and double oxygen, anaerobic zone, add anaerobism, oxygen section of holding concurrently processes, this device is made i.e. to embody the process function of common BAF, there is again the process function of double oxygen, aerobic biologic membrane, be greatly improved the ammonia nitrogen of waste water and the treatment effect of organic pollution.This utility model installation cost is low, high treating effect, and after waste water processes, ammonia nitrogen is down to below 5mg/L, COD less than 50mg/L.Meet " urban sewage reutilization water for scenic environment use water quality " (GB/T18921-2002)) requirement.
3, this utility model recoil water outlet uses water channel structure, effectively reduces pipe arrangement and controls valve, easy and simple to handle, reduces capital expenditure.
Accompanying drawing explanation
Fig. 1 is the structure of common BAF；
The structural map of Fig. 2 high-efficiency aeration biological filter tank device.
Wherein, 1-supporting layer, 2-filter material layer, 3-effluent weir, 4-outlet canal, 5-recoil outlet canal, 6-outlet pipe, 7-aeration tube, 8-water inlet pipe, 9-recoil air inlet pipeline, 10-backflushing water intake pipe road.
Detailed description of the invention
With embodiment, content of the present utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
The Piercing reaming discharged with certain factory is for processing object, and waste water parameters after I and II biochemistry reaches " integrated wastewater discharge standard " is: COD=88-96mg/L, pH=7～9, and ammonia nitrogen is 15-18mg/L.
A kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, as in figure 2 it is shown, include supporting layer, filter material layer, exhalant region, effluent trough, backwash drain pipe, purify water drain, flitch settling zone, grid-type stabilier, aeration tube, backwash air supply pipe；Also include recoil air inlet pipeline, backflushing water intake pipe road and filter tank water inlet pipe；Described aeration tube is placed in filter material layer, and keeps at a distance with filter tank water inlet pipe；Supporting layer is positioned at bottom filter tank；Filter tank water inlet pipe, recoil air inlet pipeline and backflushing water intake pipe road are respectively placed on supporting layer, are from top to bottom sequentially distributed, and wherein filter tank water inlet pipe and close aeration tube is closest；
BAF top arrangement sloping plate deposition district and grid-type stabilier are substituted by effluent weir；The side of effluent weir is provided with outlet canal；The bottom of outlet canal is connected with outlet pipe；It is provided with recoil outlet canal away from the side of effluent weir at outlet canal；
Described aeration tube is placed in filter material layer middle and lower part, is positioned at filter material layer at the end 1/3rd；
Use this utility model device and method that above-mentioned Piercing reaming waste water is processed；Concrete processing procedure is as follows:
1. high-efficiency aeration biological filter tank device includes, supporting layer, filter material layer, outlet system (including effluent weir, outlet canal, outlet pipe), recoil outlet canal, special aeration tube, water inlet pipe, recoil air inlet pipeline, backflushing water intake pipe road.
This device housing, can use steel concrete or carbon steel anticorrosion material according to the difference of flow of inlet water.
1. it is supporting layer, in the range of being arranged at the bottom of pond, filter tank 1 meter, the most from bottom to top support 8. water inlet pipe, 9. recoil air inlet pipe, 10. backflushing water intake pipe, 2. filter material layer, supporting layer uses the support intensity both having kept certain, keep again the pebblepacking of the ellipticity volume of certain void area, effectively ensure that aqueous vapor is uniformly distributed.
2. being packing layer, for the tiny ceramic filter material with poroid material and some strength, uniform spreading is located on supporting layer.
3. it is effluent weir, 4. outlet canal, 6. outlet pipe, constitute outlet system, effluent weir is that sawtooth water outlet steel weir plate connects with 4. outlet canal, and sawtooth weir plate is w shape, it is ensured that water outlet is uniform, 4. outlet canal arranges vertical 6. outlet pipe, ensureing water outlet uniformly and once system shutdown, water outlet weir plate does not retain water, plays antifreeze effect.
5. for recoil outlet canal, steel recoil water outlet gallery is used, with water outlet gallery wall, effectively save pipe valve altogether, it is ensured that in recoil water outlet and normal water outlet complementation interference.Reach energy-saving effect.Recoil water outlet gallery arranges vertical recoil outlet conduit, it is ensured that water outlet uniformly and once system shutdown, water outlet weir plate does not retain water, plays antifreeze effect.
7. it is special aeration tube, use the pipeline of carbon steel material, according to influent quality according to determining oxygen aerobic, double, after the anaerobism time of staying, the most netted it is laid on packing layer certain height, ensure that aerated conduit lower floor is for oxygen and the anaerobism section held concurrently, a number of venthole is set on aerated conduit, it is ensured that give vent to anger uniformly.
8. use the pipeline of carbon steel material for water inlet pipe, on the air inlet pipeline that 9. recoils, the most netted be laid on 1. in supporting layer, tiny micropore is set on pipeline, when water inlet due to the increase of local resistance of micropore so that intake dispersed from micropore, reach into the uniform purpose of water.
9. for recoil air inlet pipeline, using carbon steel material pipeline, on 10. backflushing water intake pipe road, the most netted be laid in supporting layer, back flushing air intensity is 6-8L/m2S, pipeline arranges a number of venthole, it is ensured that give vent to anger uniformly.
10. being backflushing water intake pipe road, use carbon steel material pipeline, uniformly lay netted at supporting layer lowermost end, back-flushing intensity is 10-12L/m2S, kickback pressure is 0.2MPa-0.3MPa, and pipeline arranges a number of apopore, it is ensured that Water discharge flow speed uniform distribution.
Being respectively provided with automatic valve on water inlet, water outlet, recoil water inlet, recoil air inlet pipeline, aerating pipelines arranges manually-operated gate, and recoil outlet pipeline is not provided with valve.
2. work process describes
Being entered by Piercing reaming after regulating reservoir homogenizing all measures, lifting pump into high-efficiency aeration biological filter tank, high-efficiency aeration biological filter tank aeration uses Automatic Control, after effectively removing ammonia nitrogen and Organic substance, water outlet, through precise filtering device, after removing the fine suspension in water, flows into reuse pool certainly.
High-efficiency aeration biological filter tank uses recycle-water can certainly flow into regulating reservoir through the regular backwash of recoil pump, water outlet.
High-efficiency aeration biological filter tank specific works process is as follows:
1) normally intake state:
Keep water inlet, water outlet automatic valve to open, keep recoil water inlet, recoil air intake valve to close.
Keep aerating pipelines unimpeded, uniform aeration.
Starting elevator pump, Piercing reaming passes through elevator pump, through inlet channel, is uniformly intake by bottom filter tank, and waste water is through packing layer, from top effluent weir from flowing into outlet canal water outlet.After water outlet, regulate aeration intensity so that the dissolved oxygen in water is maintained between 1.5-2.Design waste water, reached to remove ammonia nitrogen and the purpose of degradation of organic substances through biochemical action to ensure that waste water has the sufficient time of staying in the space of packing layer at 3-4h with packing layer time of contact.
2) backwash state:
After water flow is less than the 10% of water inlet metered flow, illustrate that filter material layer has blocking, backwash need to be carried out, first carry out gas recoil, during gas recoil, require to keep water inlet, flowing water Valve to close, opening recoil air intake valve (keeping normal aeration), back flushing air portion's packing layer bottom-up washes away, and washes away in water by the blocking material that filling surface adheres to, after recoil air inlet 5-8min, carry out air water back washing.
Opening backwashing intake valve door, start recoil water pump, back-flushing is upwards rinsed by filter tank bottommost, and the tamper drifted about in water passes sequentially through effluent weir, outlet canal, and recoil outlet canal flows out.After air-water backwashing 10-15 minute, close air intake valve, close recoil water pump, close backwashing intake valve door, open flowing water Valve, inlet valve, start inlet water lifting pumps, keep normal water inlet.
High-efficiency aeration biological filter tank device of the present utility model is used to process contrast effect such as following table before and after Piercing reaming.
Piercing reaming treatment effect catalog unit: mg/L
| Sequence number | Project | Influent quality | Go out water pollutant index | Water for scenic environment use |
| 1 | COD | 88-96 | 35-45 | 50(GJ/T 48-1999) |
| 2 | pH | 7-9 | 6-8 | 6-9 |
| 3 | Ammonia nitrogen | 15-18 | ＜ 3 | 5 |
Claims (4)
1. the high-efficiency aeration biological filter tank device processed for Piercing reaming, including supporting layer (1), filter material layer (2), exhalant region, effluent trough, backwash drain pipe, purifies water drain, flitch settling zone, grid-type stabilier, aeration tube (7), backwash air supply pipe；It is characterized in that: also include recoil air inlet pipeline (9), backflushing water intake pipe road (10) and filter tank water inlet pipe (8)；Described aeration tube (7) is placed in filter material layer (2), and keeps at a distance with filter tank water inlet pipe (8)；Supporting layer (1) is positioned at bottom filter tank；Filter tank water inlet pipe (8), recoil air inlet pipeline (9) and backflushing water intake pipe road (10) are respectively placed on supporting layer (1), from top to bottom it is sequentially distributed, wherein closest with near aeration tube (7) of filter tank water inlet pipe (8).
A kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, it is characterised in that: described BAF top arrangement sloping plate deposition district and grid-type stabilier are substituted by effluent weir (3)；The side of effluent weir (3) is provided with outlet canal (4)；The bottom of outlet canal (4) is connected with outlet pipe (6)；It is provided with recoil outlet canal (5) away from the side of effluent weir (3) at outlet canal (4).
A kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, it is characterised in that: described aeration tube (7) is placed in filter material layer (2) middle and lower part.
A kind of high-efficiency aeration biological filter tank device processed for Piercing reaming, it is characterised in that: described aeration tube (7) is positioned at filter material layer (2) at the end 1/3rd.
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| CN201620226636.2U CN205442795U (en) | 2016-03-23 | 2016-03-23 | A high efficiency aeration biological filter device for angering explosive waste water treatment |
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| CN201620226636.2U CN205442795U (en) | 2016-03-23 | 2016-03-23 | A high efficiency aeration biological filter device for angering explosive waste water treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621612A (en) * | 2016-03-23 | 2016-06-01 | 北京北方节能环保有限公司 | High-efficiency biological aerated filter (BAF) device used for explosive wastewater treatment |
| CN108609812A (en) * | 2018-06-26 | 2018-10-02 | 浙江国邦药业有限公司 | A kind of method for processing organic wastewater |
-
2016
- 2016-03-23 CN CN201620226636.2U patent/CN205442795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621612A (en) * | 2016-03-23 | 2016-06-01 | 北京北方节能环保有限公司 | High-efficiency biological aerated filter (BAF) device used for explosive wastewater treatment |
| CN108609812A (en) * | 2018-06-26 | 2018-10-02 | 浙江国邦药业有限公司 | A kind of method for processing organic wastewater |
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