CN204874210U - Device of meal kitchen waste water is handled to flocculation air supporting - biological filter - Google Patents
Device of meal kitchen waste water is handled to flocculation air supporting - biological filter Download PDFInfo
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- CN204874210U CN204874210U CN201520639721.7U CN201520639721U CN204874210U CN 204874210 U CN204874210 U CN 204874210U CN 201520639721 U CN201520639721 U CN 201520639721U CN 204874210 U CN204874210 U CN 204874210U
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Abstract
The utility model discloses a device of meal kitchen waste water is handled to flocculation air supporting - biological filter. The device is including the preliminary filter, oil interceptor, flocculation and precipitation pond, air supporting pond, equalizing basin, hydrolysis -acidification pool, bological aerated filter, many filter medium filtration pond and the outlet water pool that communicate in proper order, the flocculation and precipitation pond includes that the flocculating agent throws with pond, mud separation pond and sedimentation tank, the flocculating agent is thrown with being equipped with static mixer in the pond, and the flocculating agent is thrown and is separated by the baffle with the lower part between pond and the mud separation pond, the bottom in air supporting pond is equipped with aeration equipment, and upper portion is equipped with the frizing machine, be equipped with pH meter and acid -base application of sample ware in the equalizing basin, the filler is equipped with in the bological aerated filter, be equipped with different filtering medium more than three kinds or three kinds in many filter medium filtration pond. The device combines flocculation air supporting and the bological aerated filter useless treatment of water in kitchen of eating, realizes its resourceization in the pollutant in getting rid of waste water, and play water quality of water accords with national sewage discharge standard.
Description
Technical field
The utility model belongs to recycling waste and sewage treatment equipment field, particularly, relates to the device of a kind of flocculation-air floating-biological filter process kitchen waste water.
Background technology
The complicated component of kitchen waste water, has high, the high grease of organism suspension content and salt content high.Therefore, the improvement emphasis of kitchen waste water removes grease, organism and suspended substance, and its treatment technology also mainly lays particular emphasis on oily water separation and successive depths process thereof.Adopt materializing strategy equipment greatly can reduce the content of suspended substance (SS) and grease, reduce the COD value in waste water.Wherein flocculation apparatus can remove suspended substance tiny in water and colloid substances by adding flocculation agent; Also certain contribution is had to the removal of COD.Airfloat equipment then can pass into bubble intensive in a large number in waste water, itself and suspended substance and oils is adhered to mutually, floats up to the water surface by buoyancy, reach the object of solid-liquid separation.Flocculation apparatus and air flotation pool are combined, air flotation pool surface load can up to 12m
3/ h, waste water residence time in pond only needs 10 ~ 20min, and pond deeply only needs about 2m, takes up an area less, and initial cost is only 1/4 ~ 1/8 of traditional settling pond; Air flotation pool also has the effect of preaeration, and water outlet and sediment all contain a certain amount of oxygen, and be conducive to subsequent disposal or recycling, body refuse is not easily degenerated.
In addition, kitchen waste water BOD and COD ratio reach 0.4, and biodegradability is good.Can remove partial organic substances in waste water through flocculation sediment equipment, all the other organism are removed further by biological contact oxidation process, to reach wastewater discharge standard.It is high that biological contact oxidation process has volumetric loading, anti impulsion load ability is strong, surplus sludge volume is few, the feature of mechanical means oxygen supply, have biological activity high, sludge age is short simultaneously, can intermittent operation, can decompose the material that other biological treatment technology difficulty is decomposed, process operation is manageable, can overcome the advantage of the drawback such as Mud up-floating and expansion.And BAF can combine bio-contact oxidation and filtration, organism volumetric loading is high, hydraulic load is large, hydraulic detention time is short, have excellent Filtration Adsorption effect, can secondary sedimentation basins be saved, required initial cost is few, energy consumption and running cost low.
Mostly existing kitchen waste water treatment facility is to adopt the conventional equipment of sanitary sewage disposal, fails to form low cost, convenient, the device that can realize waste water reclaiming cycling and reutilization for the feature that kitchen waste water height grease, organism enrich.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides the device of a kind of flocculation-air floating-biological filter process kitchen waste water.Described device carries out the process of kitchen waste water in conjunction with flocculation-air floating and BAF, and while removing the pollutent in waste water, realize its resource utilization, effluent quality meets state sewage emission standard.The utility model has reduced investment, running cost is low, the feature that recycling waste degree is high.
Above-mentioned purpose of the present utility model is achieved by the following technical programs.
The device of a kind of flocculation-air floating-biological filter process kitchen waste water, comprise be communicated with successively preliminary filter, oil trap, flocculation sedimentation tank, air flotation pool, equalizing tank, hydrolysis acidification pool, BAF, multi-medium filtering pond and outlet sump, described flocculation sedimentation tank comprises flocculant concentration pond, mud intercepts pond and settling tank, be provided with static mixer in described flocculant concentration pond, the bottom that flocculant concentration pond and mud intercept between pond is opened by baffle for separating; The bottom of described air flotation pool is provided with aerating apparatus, and top is provided with Oil scraper; Be provided with pH meter and soda acid sample injector in described equalizing tank, described BAF is built with filler; The different filtration medium of three kinds or more is provided with in described multi-medium filtering pond.
The workflow of described device is: first kitchen waste water is passed into preliminary filter to remove larger suspended substance, and then waste water is passed into oil trap and collect upper strata and to swim state grease, the grease collected can be used as the raw material of biofuel or other Chemicals; Then waste water enters flocculation sedimentation tank, and now add flocculation agent and open after static mixer mixes for some time, top waste water outflow intercepts pond to mud, then enters settling tank.Flocculation agent fully can be built bridge with waste water small molecular particulate matter, adsorb, polymerization, forms throw out; Waste water after flocculation sediment enters air flotation pool, opens aerating apparatus and makes to be difficult in waste water the solid particulate of sedimentation or tiny elaioleucite sticks on bubble, form scum silica frost and oil slick, adopt Oil scraper to remove scum silica frost and oil slick by means of bubble floating to the water surface; Waste water after air-flotation process enters equalizing tank, utilizes in pH meter wastewater measurement after pH value, is regulated by soda acid sample injector to waste water potential of hydrogen, to ensure the stable of waste water quality.Waste water after adjust ph then enters hydrolysis acidification pool, by macromole, is difficult to biodegradable Substance Transformation and is small molecules, is easy to biodegradable material.This device utilizes hydrolysis acidification pool to replace conventional preliminary sedimentation tank, except reach retain suspended substance in sewage object except, also there is part biochemical treatment and the stable function of reducing sludge volume; Waste water after acidication passes into BAF successively and multi-medium filtering pond processes; Last waste water is discharged by outlet sump, and effluent quality can reach country " integrated wastewater discharge standard " (GB8978-1996) grade III Standard.
Preferably, grid and screen cloth is provided with in described preliminary filter.
Preferably, described oil trap is sloping plate oil separation tank.
Preferably, bottom described flocculation sedimentation tank, be provided with several buckets, be convenient to collect mud.
Preferably, described flocculation sedimentation tank is communicated with sludge thickener respectively with bottom BAF, and the mud that flocculation sedimentation tank and BAF produce is collected into sludge thickener.
Preferably, the outlet of described sludge thickener is connected with pressure filter.More preferably, the outlet of described sludge thickener is connected with pressure filter entrance by pipeline, and the mud in sludge settling concentration basin is recycling after dehydration.Still more preferably, the mud in sludge thickener is directly used as fermentable raw material, produces ethanol, methane or other products.
Preferably, the filtrate outlet of described pressure filter is communicated with air flotation pool by pipeline, and the filtrate produced when being worked by pressure filter is back to air flotation pool and processes.
Preferably, the medium of the three kinds or more in quartz sand, manganese sand, hard coal, garnet in small, broken bits, shell or coral is provided with in described multi-medium filtering pond.
Preferably, the filler in described BAF is one or more in fuel wood, bark or branch bavin.
Preferably, described device is also provided with medicine system, the sample injector that described medicine system is divided into several separate, is connected respectively with one or more in flocculation sedimentation tank, equalizing tank, BAF.
Preferably, ultraviolet lamp is equipped with at outlet sump top.Enter waste water qualified discharge after ultraviolet disinfection of outlet sump.
Compared with prior art, the utility model has following beneficial effect: described device carries out the process of kitchen waste water in conjunction with flocculation-air floating and BAF, while removal pollutent, realize utilization of wastewater resource, effluent quality meets state sewage emission standard.The utility model device has reduced investment, running cost is low, the feature that recycling waste degree is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the device of the utility model flocculation-air floating-biological filter process kitchen waste water.
Caption: 1-preliminary filter; 11-grid; 12-screen cloth; 2-oil trap; 3-flocculation sedimentation tank; 31-flocculant concentration pond; 32-mud intercepts pond; 33-settling tank; 34-dividing plate; 35-bucket; 4-air flotation pool; 41-aerating apparatus; 42-Oil scraper; 5-equalizing tank; 51-pH counts; 52-water pump; 6-hydrolysis acidification pool; 7-BAF; 71-filler; 8-multi-medium filtering pond; 9-outlet sump; 10-sludge thickener; 110-pressure filter; 111-filtrate outlet; 120-medicine system; 121-doser.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to embodiment of the present utility model is described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
embodiment 1
The present embodiment provides the device of a kind of flocculation-air floating-biological filter process kitchen waste water, as shown in Figure 1, comprise be communicated with successively preliminary filter 1, oil trap 2, flocculation sedimentation tank 3, air flotation pool 4, equalizing tank 5, hydrolysis acidification pool 6 and BAF 7, multi-medium filtering pond 8 and outlet sump 9.Grid 11 and screen cloth 12 is provided with in described preliminary filter 1.Described oil trap 2 is sloping plate oil separation tank.Described flocculation sedimentation tank 3 comprises flocculant concentration pond 31, mud intercepts pond 32 and settling tank 33, static mixer is provided with in described flocculant concentration pond 31, the bottom that flocculant concentration pond 31 and mud intercept between pond 32 is separated by dividing plate 34, bucket 35 is provided with bottom described settling tank 33, be communicated with sludge thickener 10 bottom described bucket 35, for collecting flocculate precipitate.The bottom of described air flotation pool 4 is provided with aerating apparatus 41, and top is provided with Oil scraper 42; Be provided with pH meter 51 and water pump 52 in described equalizing tank 5, described BAF 7 is built with filler 71, and filler 71 is one or more in fuel wood, bark or branch bavin, and the bottom of BAF 7 is communicated with sludge thickener 10, for collecting precipitation mud; The medium of the three kinds or more in quartz sand, manganese sand, hard coal, garnet in small, broken bits, shell or coral is provided with in described multi-medium filtering pond 8.The outlet of described sludge thickener 10 is connected with pressure filter 110, and by the throw out dehydration of collecting, the mud cake formed after dehydration and drying in addition recycling or outward transport is disposed.The throw out that sludge thickener 10 produces directly can be used as fermentable raw material after collecting, and produces ethanol, methane or other products.The filtrate outlet 111 of described pressure filter 110 is communicated with air flotation pool 4 by pipeline, filtrate is back to air flotation pool and processes.Described device is also provided with medicine system 120, and described medicine system 120 is divided into four separate sample injectors 121, is connected, for dosing respectively with flocculation sedimentation tank 3, equalizing tank 5 and BAF 7.
The workflow of described device first kitchen waste water is passed into preliminary filter 1 to remove larger suspended substance, then waste water is passed into oil trap 2 and to swim state grease to remove upper strata, and the grease collected can be used as the raw material of biofuel or other Chemicals; Waste water then enters flocculation sedimentation tank 3, flocculation agent is joined flocculant concentration pond 31, opening static mixer makes flocculation agent fully mix with waste water, top waste water outflow intercepts pond 32 to mud, then settling tank 33 is entered, small molecules particulate matter in flocculation sedimentation tank 33 in sewage and flocculation agent are fully built bridge, adsorb, polymerization, form mud and also precipitate; Waste water after flocculation sedimentation tank 3 processes enters air flotation pool 4, open aerating apparatus 41 in waste water, produce fine and closely woven micro-bubble, the solid particulate or the tiny elaioleucite that make to be difficult in waste water sedimentation stick on bubble, form scum silica frost and oil slick by means of bubble floating to the water surface, adopt Oil scraper 42 to remove scum silica frost and oil slick; Waste water then enters equalizing tank 5, utilizes pH meter 51, the doser 121 of bronsted lowry acids and bases bronsted lowry is housed and water pump 52 pairs of waste water potential of hydrogen regulate, to ensure the stable of waste water quality; Waste water after adjust ph through hydrolysis acidification pool 6 by macromole, be difficult to biodegradable Substance Transformation and be small molecules, be easy to biodegradable material.This device utilizes hydrolysis acidification pool 6 to replace conventional preliminary sedimentation tank, except reach retain suspended substance in sewage object except, also there is part biochemical treatment and the stable function of reducing sludge volume.Waste water after acidication enters BAF 7 successively and multi-medium filtering pond 8 processes, and finally enters outlet sump 9, discharge after ultraviolet radiation sterilization.Wherein, BAF 7 inoculates oleaginous microorganism on filler 71, make its apposition growth on filler, the microorganism cultivated can utilize the carbohydrate in kitchen waste water, hydrocarbon polymer and common grease as carbon source, in thalline, produce a large amount of greases, these bio-oils can be used as the raw material of follow-up higher value application after collecting and extract.The effluent quality of outlet sump 9 can reach country " integrated wastewater discharge standard " (GB8978-1996) grade III Standard.
Obviously, above-described embodiment of the present utility model is only used to the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.All do within spirit of the present utility model and spirit any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. the device of flocculation-air floating-biological filter process kitchen waste water, it is characterized in that, comprise be communicated with successively preliminary filter, oil trap, flocculation sedimentation tank, air flotation pool, equalizing tank, hydrolysis acidification pool, BAF, multi-medium filtering pond and outlet sump, described flocculation sedimentation tank comprises flocculant concentration pond, mud intercepts pond and settling tank, be provided with static mixer in described flocculant concentration pond, the bottom that flocculant concentration pond and mud intercept between pond is opened by baffle for separating; The bottom of described air flotation pool is provided with aerating apparatus, and top is provided with Oil scraper; Be provided with pH meter and soda acid sample injector in described equalizing tank, described BAF is built with filler; The different filtration medium of three kinds or more is provided with in described multi-medium filtering pond.
2. device according to claim 1, is characterized in that, is provided with grid and screen cloth in described preliminary filter.
3. device according to claim 1, is characterized in that, described oil trap is sloping plate oil separation tank.
4. device according to claim 1, is characterized in that, is provided with several buckets bottom described flocculation sedimentation tank.
5. device according to claim 1, is characterized in that, described flocculation sedimentation tank is communicated with sludge thickener respectively with bottom BAF.
6. device according to claim 5, is characterized in that, the outlet of described sludge thickener is connected with pressure filter.
7. device according to claim 6, is characterized in that, the filtrate outlet of described pressure filter is communicated with air flotation pool by pipeline.
8. device according to claim 1, is characterized in that, is provided with the medium of the three kinds or more in quartz sand, manganese sand, hard coal, garnet in small, broken bits, shell or coral in described multi-medium filtering pond.
9. device according to claim 1, is characterized in that, the filler in described BAF is one or more in fuel wood, bark or branch bavin.
10. device according to claim 1, is characterized in that, described device is also provided with medicine system, the sample injector that described medicine system is divided into several separate, is connected respectively with one or more in flocculation sedimentation tank, equalizing tank, BAF.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639721.7U CN204874210U (en) | 2015-08-24 | 2015-08-24 | Device of meal kitchen waste water is handled to flocculation air supporting - biological filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520639721.7U CN204874210U (en) | 2015-08-24 | 2015-08-24 | Device of meal kitchen waste water is handled to flocculation air supporting - biological filter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686214A (en) * | 2017-09-30 | 2018-02-13 | 厦门联创达科技有限公司 | The power-free integrated multimedium processing system of domestic sewage in rural areas |
| CN109179760A (en) * | 2018-09-28 | 2019-01-11 | 北京嘉博文生物科技有限公司 | A kind of kitchen sludge meal slag recycling treatment process |
| CN111646651A (en) * | 2020-06-22 | 2020-09-11 | 叶惠环 | Kitchen waste wastewater treatment system |
| CN111957719A (en) * | 2020-08-11 | 2020-11-20 | 潮州深能环保有限公司 | System and method for cooperatively treating kitchen waste by waste incineration plant |
| CN112209578A (en) * | 2020-10-30 | 2021-01-12 | 芜湖海螺投资有限公司 | Kitchen wastewater treatment system |
| CN112209577A (en) * | 2020-10-30 | 2021-01-12 | 芜湖海螺投资有限公司 | Kitchen wastewater treatment method |
| CN115784504A (en) * | 2022-11-28 | 2023-03-14 | 武汉环投千子山环境产业有限公司 | High-efficient deoiling device of meal kitchen waste water |
| WO2024084468A1 (en) * | 2022-10-22 | 2024-04-25 | TEC Austria GmbH | Waste water treatment device |
-
2015
- 2015-08-24 CN CN201520639721.7U patent/CN204874210U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686214A (en) * | 2017-09-30 | 2018-02-13 | 厦门联创达科技有限公司 | The power-free integrated multimedium processing system of domestic sewage in rural areas |
| CN109179760A (en) * | 2018-09-28 | 2019-01-11 | 北京嘉博文生物科技有限公司 | A kind of kitchen sludge meal slag recycling treatment process |
| CN109179760B (en) * | 2018-09-28 | 2021-07-16 | 北京嘉博文生物科技有限公司 | Recycling treatment process for kitchen sludge and rice residues |
| CN111646651A (en) * | 2020-06-22 | 2020-09-11 | 叶惠环 | Kitchen waste wastewater treatment system |
| CN111957719A (en) * | 2020-08-11 | 2020-11-20 | 潮州深能环保有限公司 | System and method for cooperatively treating kitchen waste by waste incineration plant |
| CN111957719B (en) * | 2020-08-11 | 2023-02-21 | 潮州深能环保有限公司 | System and method for cooperatively treating kitchen waste by waste incineration plant |
| CN112209578A (en) * | 2020-10-30 | 2021-01-12 | 芜湖海螺投资有限公司 | Kitchen wastewater treatment system |
| CN112209577A (en) * | 2020-10-30 | 2021-01-12 | 芜湖海螺投资有限公司 | Kitchen wastewater treatment method |
| WO2024084468A1 (en) * | 2022-10-22 | 2024-04-25 | TEC Austria GmbH | Waste water treatment device |
| CN115784504A (en) * | 2022-11-28 | 2023-03-14 | 武汉环投千子山环境产业有限公司 | High-efficient deoiling device of meal kitchen waste water |
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