CN203200078U - Efficient and composite stuffing biological filter - Google Patents
Efficient and composite stuffing biological filter Download PDFInfo
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- CN203200078U CN203200078U CN 201320234736 CN201320234736U CN203200078U CN 203200078 U CN203200078 U CN 203200078U CN 201320234736 CN201320234736 CN 201320234736 CN 201320234736 U CN201320234736 U CN 201320234736U CN 203200078 U CN203200078 U CN 203200078U
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Abstract
The utility model relates to an efficient and composite stuffing biological filter. An existing biological filter has the problems that when the concentration of organic matters in waste water is large, biological films grow too fast, the film falling phenomenon is serious, and water quality deteriorates; gaps among filter materials are excessively small, the filter loading is excessively high, and the excessively many biological films are made to grow and block the filter; the filter needs to separate suspended matters such as the fallen biological films by a secondary sedimentation tank for outputting water; when the ammonia nitrogen loading is excessively high, the nitrification is limited. The efficient and composite stuffing biological filter comprises a biological filter body (12), the bottom of the biological filter body is fixedly connected with a set of supports (3), a supporting net (4) is installed on the supports, a stuffing supporting layer (2) is installed on the supporting net, and a stuffing layer (7) is paved on the stuffing supporting layer. The efficient and composite stuffing biological filter is used for efficient and composite stuffing biological filtration.
Description
Technical field:
The utility model relates to a kind of high effective composite packing biological filter.
Background technology:
The biological filter is also referred to as trickling filter, be a kind of low-cost non-submersion formula bio-reactor, and it has fully used for reference the mentality of designing that soil oneself's cleaning principle and sewage aeration are processed, and integrates ventilation, holds back suspended substance, the characteristics such as biological degradation.
The biological filter mainly is comprised of filter bed and a settling tank that is paved into rubble.The filter bed height is generally 2 meters about 1～6 meter, the stone diameter is about 3～10 centimetres.Waste water spills from top, filter tank cloth by water distribution system.In order to guarantee that air enters filtrate in the gap of water distribution, the existing rotary water distributor that mostly adopts.Its principle of work is: when waste water passed through the filter tank, filtrate had been held back the suspended matter in the waste water, and microorganism is bred very soon, and microorganism has further been adsorbed again solvability and colloidal organic matter in the waste water, increases gradually and formed microbial film.The biological filter is exactly to rely on the microbial film of filter material surface to organic adsorption and oxidation effect in the waste water, and waste water is purified.
The biological filter feature is as follows: 1. filler is not submerged in the water, therefore need not the blast aeration power consumption little; 2. gas-liquid fully contacts in filler space, and the transfer efficiency of oxygen is high; 3. because biofilm surface has one deck attached water, enter in the attached water when waste water pollutent when filter material surface flows moves under the concentration gradient effect, strengthened the adsorption of film; 4. can keep a large amount of biomasss in the pond; 5. need not sludge reflux, also without the worry of sludge bulking, if whole automatic operating, then maintenance management is also very convenient.So BAF is able to widespread use.
But there are the following problems in existing biological filter: 1. when organic concentration was larger in the waste water, biofilm development was too fast, and demoulding phenomenon seriously goes out, the water quality variation; 2. the space is too small between filtrate, and filter loading is too high, and microbial film is increased too much, can cause the obstruction in filter tank; 3. the filter tank water outlet needs second pond to separate the suspended substances such as microbial film that break away from; 4. when ammonia nitrogen loading was too high, nitrification was limited.
The utility model content:
The purpose of this utility model provides a kind of high effective composite packing biological filter.
Above-mentioned purpose realizes by following technical scheme:
A kind of high effective composite packing biological filter, its composition comprises: pond, biological filter body, be connected with a pack support at the bottom of the pond of pond, described biological filter body, the support net is installed above the described support, the filler supporting layer is installed above the described support net, above the described filler supporting layer packing layer is installed.
Described high effective composite packing biological filter, water exhaust system is comprised of one group of water shoot, and on described water shoot was arranged at the bottom of the pond, biological filter with certain slope, described water shoot was connected with discharge channel; Water distribution system is comprised of the spray-type water distributor, and described spray-type water distributor is connected with the upper end of water inlet pipe, and the lower end of described water inlet pipe is arranged at the bottom of the pond of pond, described biological filter body; Gas distribution system is comprised of one group of ventpipe, and described ventpipe is arranged in the described support space off the net, and switch valve and blower fan are installed on the gas distribution system house steward.
Beneficial effect:
1. the utility model can improve removal of pollutants effect in the sewage.
The utility model is good to the treatment effect of waste water, stable effluent quality, and running cost is low.
Turfy soil has improved the ability of filling adsorption pollutent in the utility model packing layer, strengthened permeable and ventilation capacity in the filler, improve the ammonia nitrogen removal effect, lifeless matter film obscission, the batten natural packing forms the space and has improved gas-water contact area, and provide the immobilization place for turfy soil, make turfy soil self-assembling formation aerobic layer and anaerobic layer, and provide certain required carbon source of denitrification, improved the denitrification effect, a small amount of Wingdale provides nitrification required basicity, and the switchover operation of natural ventilation and two kinds of working ordeies of artificial air-supply has improved the ability of filter tank denitrification denitrogenation when saving running cost.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model.Among the figure, 1 is ventpipe, and 2 is the filler supporting layer, and 3 is support, and 4 is the support net, and 5 is switch valve, and 6 is blower fan, and 7 is packing layer, and 8 is water shoot, and 9 is discharge channel, and 10 is the spray-type water distributor, and 11 is water inlet pipe, and 12 is pond, biological filter body.
Embodiment:
Embodiment 1:
A kind of high effective composite packing biological filter, its composition comprises: pond, biological filter body 12, be connected with a pack support 3 at the bottom of the pond of pond, described biological filter body, support net 4 is installed above the described support, filler supporting layer 2 is installed above the described support net, is equipped with above the described filler supporting layer by batten, turfy soil and a small amount of Wingdale and mixes the packing layer 7 that forms.
Embodiment 2:
According to embodiment 1 described high effective composite packing biological filter, water exhaust system is comprised of one group of water shoot, and on described water shoot was arranged at the bottom of the pond, biological filter with certain slope, described water shoot was connected with discharge channel; Water distribution system is comprised of the spray-type water distributor, and described spray-type water distributor is connected with the upper end of water inlet pipe, and the lower end of described water inlet pipe is arranged at the bottom of the pond of pond, described biological filter body; Gas distribution system is comprised of one group of ventpipe, and described ventpipe is arranged in the described support space off the net, and switch valve and blower fan are installed on the gas distribution system house steward.
Embodiment 3:
According to embodiment 1 described high effective composite packing biological filter, the biological filter is comprised of pond, biological filter body, support, support net, filler supporting layer, packing layer, water distribution system, water exhaust system and gas distribution system, pond, filter tank body is divided into up and down two portions zone take the support net as the boundary, upper half is the reaction zone that packing layer and filler supporting layer form, and bottom half is the ventilating zone that support net, support and ventpipe form.The water exhaust system water shoot is located at the lower of pond bottom sloping, and the water shoot the other end connects discharge channel.Intake centered by the described water distribution system form, the spray-type water distributor is positioned on the packing layer, and leaves approximately 20cm distance between the packing layer surface.Described gas distribution system Center Vent tube passes around pond, biological filter body extends to from central authorities, and described switch valve is arranged on the gas distribution system house steward, is used for switching natural ventilation and two kinds of working ordeies of blower fan air-supply, improves the denitrification effect.Described support is arranged at body bottom, pond, biological filter and is connected as a single entity with the pond body.Described support net is tiled on the support.Described filler supporting layer is arranged between support net and the packing layer.
The filler supporting layer selects long 8-10cm, wide 5-8cm, thick 1-3cm wooden unit evenly to lay, it highly is generally 15-25cm, can select filler supporting layer height according to the engineering practical situation, its purpose is to prevent that the interior turfy soil of packing layer from penetrating the filler supporting layer and discharging with water outlet.Described packing layer is the biologic packing material layer that is mixed by batten, turfy soil and a small amount of Wingdale.Batten in the packing layer can be chipped with the papermaking of long 1-3cm, wide 1-2cm, thick 0.2-0.5cm, also can be according to engineering location practical situation, and machining forms.The support net with reinforcing bar be welded, mesh is the square square hole of 2cm.
Timber is a kind of very easily the acquisition and Biodegradable material with low cost, and its main component is xylogen and Mierocrystalline cellulose.Can be disaccharides and monose material by slow degradation in the situation that microbial process is arranged, can be used as natural slowly-releasing carbon source and be used for denitrification.In addition, under ventilation and the moistening condition, timber can be again the fungal microbe growth matrix is provided in the biological filter, fungal microbe can degrading texture some Persistent organic pollutants of complexity comparatively.Facts have proved the batten that timber is processed as long 1-3cm, wide 1-2cm, thick 0.2-0.5cm pile up after voidage be about 50% for filtrate provides ventilation required space, its physical strength is good simultaneously, can keep for a long time voidage.In addition, timber and turfy soil binding property can provide the place for turfy soil adheres to well.
Turfy soil claims that again the peat composed of rotten mosses is peat, is the accumulation product of residual body incomplete decomposing under many water anaerobic condition of marsh plant.It is the minimum coal of degree of coalification, and is aseptic, nontoxic, pollution-free, and venting capability is good, light weight, water holding, fertilizer conservation, is conducive to microbial activities, strengthens biological property.Turfy soil is again a kind of polarity porous material, contain a large amount of Mierocrystalline celluloses, hemicellulose, xylogen and humus class material, have larger specific surface area and a lot of active function groups (such as carboxyl, phenolic hydroxyl group and alcoholic extract hydroxyl group etc.), can be by some pollutents in the removal waste water such as absorption, filtration, ion-exchange and complexing action.Find in the practice, turfy soil can not only be as the sorbing material of pollutent as biofilter material the time, and can provide enabling environment and mineral that some are necessary for microorganism growth again.In addition, turfy soil is with low cost very easily obtains.
The Wingdale main component is calcium carbonate, can generate hydrocarbonate as the reaction of the hydrogen ion in basicity and the water when pH is low.Evidence nitrobacteria optimum pH is 8.0-8.5, can affect its activity when pH is low, ensures that the pH in the water is conducive to improve nitrification so add Wingdale in filtrate.
These three kinds of materials of timber, turfy soil and Wingdale, be developed into extraordinary biologic packing material through special treatment process, have the advantage of this different materials concurrently, can reach good treatment effect.
Claims (2)
1. high effective composite packing biological filter, its composition comprises: pond, biological filter body, it is characterized in that: be connected with a pack support at the bottom of the pond of pond, described biological filter body, the support net is installed above the described support, the filler supporting layer is installed above the described support net, above the described filler supporting layer packing layer is installed.
2. high effective composite packing according to claim 1 biological filter, it is characterized in that: water exhaust system is comprised of one group of water shoot, and on described water shoot was arranged at the bottom of the pond, biological filter with certain slope, described water shoot was connected with discharge channel; Water distribution system is comprised of the spray-type water distributor, and described spray-type water distributor is connected with the upper end of water inlet pipe, and the lower end of described water inlet pipe is arranged at the bottom of the pond of pond, described biological filter body; Gas distribution system is comprised of one group of ventpipe, and described ventpipe is arranged in the described support space off the net, and switch valve and blower fan are installed on the gas distribution system house steward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234736 CN203200078U (en) | 2013-05-03 | 2013-05-03 | Efficient and composite stuffing biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320234736 CN203200078U (en) | 2013-05-03 | 2013-05-03 | Efficient and composite stuffing biological filter |
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| Publication Number | Publication Date |
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| CN203200078U true CN203200078U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320234736 Expired - Fee Related CN203200078U (en) | 2013-05-03 | 2013-05-03 | Efficient and composite stuffing biological filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395883A (en) * | 2013-08-13 | 2013-11-20 | 哈尔滨辰能工大环保科技股份有限公司 | High-efficiency composite filler biological filter and filtration method |
| CN107265642A (en) * | 2017-07-18 | 2017-10-20 | 上海理工大学 | A kind of drawer type biofilter using composite slow release carbon source as filler |
-
2013
- 2013-05-03 CN CN 201320234736 patent/CN203200078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395883A (en) * | 2013-08-13 | 2013-11-20 | 哈尔滨辰能工大环保科技股份有限公司 | High-efficiency composite filler biological filter and filtration method |
| CN107265642A (en) * | 2017-07-18 | 2017-10-20 | 上海理工大学 | A kind of drawer type biofilter using composite slow release carbon source as filler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20190503 |
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| CF01 | Termination of patent right due to non-payment of annual fee |