CN201722255U - Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed - Google Patents
Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed Download PDFInfo
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- CN201722255U CN201722255U CN2010202288788U CN201020228878U CN201722255U CN 201722255 U CN201722255 U CN 201722255U CN 2010202288788 U CN2010202288788 U CN 2010202288788U CN 201020228878 U CN201020228878 U CN 201020228878U CN 201722255 U CN201722255 U CN 201722255U
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Abstract
The utility model relates to a domestic sewage denitrifying advanced treatment integral device for a self-oxygenization fixed bed. The domestic sewage denitrifying advanced treatment integral device comprises a bacterial film process treatment part and a depositing muddy water separation part, wherein the bacterial film process treatment part comprises at least two groups of treatment units, each group of treatment unit comprises a downward flow unit and an upward flow unit which are arranged in sequence, a water inlet pipe is arranged on the upward flow unit of the first group of treatment unit, a grid is arranged the bottoms of the downward flow unit and the upward flow unit for communication, a biological film filler is arranged in the downward flow unit, and a water drop weir is arranged at the upper end of the upward flow unit; the depositing muddy water separation part comprises a depositing tank, a water distribution groove is formed at one end of the depositing tank in an isolated manner, and a water collecting tank is arranged at the other end of the depositing tank in an isolated manner, the water collecting tank is connected with a water outlet pipe, the water distribution groove is communicated with the upper end of the bacterial film process treatment part, a water distribution hole is formed at the bottom of the water distribution groove, and a water distribution pipe is connected with the lower end of the water distribution hole. The domestic sewage denitrifying advanced treatment integral device can reduce the energy consumption of the sewage treatment, lower the technical complexity of the sewage treatment, have simple and convenient operation, can naturally discharge the treatment water in an energy-saving manner, simplify the operation and achieve stable treatment effect.
Description
Technical field
The utility model relates to the treatment facility of sanitary sewages such as a kind of middle-size and small-size sanitary sewage disposal engineering, cities and towns centralized residence district, Rural areas, landscaped area, tourist attractions, station, harbour, particularly a kind of integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed.
Background technology
China's town domestic sewage treatment technology level is uneven at present, and treatment scale is not of uniform size.Larger urban wastewater treatment firm can require to design and construct according to design specifications, realizes effective processing, the qualified discharge of sanitary sewage; And lower for level of management, but treatment scale is less, small-sized small towns of economy ability to bear difference, village etc., need to adopt sewage treatment technology simple, effective, simple and convenient management, or even the treatment facility of cover simple integral type, a point-and-shoot, under unattended situation, realize the sanitary sewage qualified discharge.
The domestic sewage in rural areas by using treatment technology and the device category of China's appearance now are a lot, utilize activated sludge process also to utilize biomembrance process, the filler of biomembrance process is also varied, these technology and equipment all can be realized the anhydrous processing of living to a certain extent, especially aspect the degraded and removal of COD and SS, but the removal ability for ammonia nitrogen, total nitrogen is very undesirable, unpowered equipment etc. particularly, and its oxygen delivery capacity can not satisfy nitrated demand to oxygen at all; And some Processes and apparatus are arranged, adopt method of forcing oxygen supply or the method that adopts drop water aeration, these technologies have significant removal effect to ammonia nitrogen, but reach good denitrification effect, must in technology, add anoxybiotic denitrification unit, like this with regard to lost handle at domestic sewage in rural areas by using need that adopting process is simple, the advantage of simple and convenient management and identical with the town sewage treatment process.
The utility model content
The utility model purpose is to provide a kind of integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed, can reduce the energy consumption of sewage disposal, the complexity that reduces sewage treatment process, easy operation etc., treating water can discharge naturally, and energy-conservation, operation is simplified, treatment effect is stable.
To achieve these goals, the utility model adopts following technical scheme: integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed, comprise biomembrance process treating part and glaur water sepn part, described biomembrance process treating part comprises at least two group processing units, every group of processing unit comprise set gradually stream unit and up-flow unit fall, the stream unit that falls of first group of processing unit is provided with water inlet pipe, being provided with graticule mesh bottom falling between stream unit and the up-flow unit is communicated with, fall in the stream unit biofilm packing is set, upper end, up-flow unit is provided with the drop weir, and the drop height of weir degree of last one group of processing unit is higher than the drop height of weir degree of next group processing unit; Described glaur water sepn partly comprises settling tank, end isolation is provided with the cloth tank to settling tank in the longitudinal direction, the other end isolation is provided with water leg, water leg is connected with rising pipe, the cloth tank is communicated with the upper end of biomembrance process treating part, the cloth bottom of gullet is provided with water distributing pore, and the water distributing pore lower end is connected with water distributor.
The described stream unit bottom of falling is provided with evacuated tube, and the settling tank bottom is provided with shore pipe.
The described stream top, unit that falls is provided with overflow weir.
Described settling tank bottom is provided with bucket.
Described biomembrance process treating part comprises three groups of processing units.
The utility model can reduce the energy consumption of sewage disposal, the complexity that reduces sewage treatment process, easy operation etc., application by novel flat column type filler, three grades or more multistage drop are set, on facade distributes, form three groups or many groups and fall the combination of stream up-flow, accurately key parameters such as bed flow velocity, nitration denitrification effect when realizing in the microbial film are loaded, controlled to control drop height and crest of weir; Power charge of the present utility model only is the expense of sewage lifting, and treating water can discharge naturally, and energy-conservation, operation is simplified, treatment effect is stable.
The utility model loses neither that technology is simple, the characteristics of simple and convenient management, point-and-shoot that treatment effect is good, can realize the removal of ammonia nitrogen and total nitrogen again, increasingly serious in the water surrounding situation, that eutrophication water body water quality worsens often today, removal to total nitrogen will inevitably propose more and more higher requirement, and application of the present utility model can appropriateness be alleviated the problems referred to above.The utility model adopts drop water aeration to realize from oxygenation, adopt novel flat column type biologic packing material, make in the microbial film of filler adheres and be rich in nitrifier and denitrifying bacteria, overcome numerous low expense sanitary sewage disposal technology and nitrogen is removed the shortcoming of ability, realization is from oxygenation and have organic matter removal concurrently and the dual characteristics of nitrogen removal, and can realize middle-size and small-size domestic sewage treatment device complete set.This technology and equipment are applicable to the processing of sanitary sewages such as centralized residence district, cities and towns, Rural areas, landscaped area, tourist attractions, station, harbour.Present technique and equipment adopt three grades or more multistage drop, by the setting of special type filler, accurately control drop height, cross key parameter such as bed flow velocity, nitration denitrification effect when realizing in the microbial film, the technology water outlet can reach urban wastewater treatment firm pollutant emission standard one-level B mark, the especially removal of nitrogen.The art of this patent and equipment possess multiple advantages such as invest and working cost is low, denitrification effect is good, management is simple.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a vertical view of the present utility model.
Embodiment
Embodiment: as shown in Figure 1 and Figure 2, integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed, comprise biomembrance process treating part and glaur water sepn part, (gravity) glaur water sepn partly is positioned at the rear end of flow process, and the biomembrance process treating part is positioned at the front end of flow process; The biomembrance process treating part comprises at least two group processing units, and in the present embodiment, the biomembrance process treating part comprises three liang of group processing units.Every group of processing unit comprise set gradually stream unit 2 and up-flow unit 5 fall, the stream unit 2 that falls of first group of processing unit is provided with water inlet pipe 1, being provided with graticule mesh 4 bottom falling between stream unit 2 and the up-flow unit 5 is communicated with, fall in the stream unit 2 biofilm packing 3 is set, 5 upper ends, up-flow unit are provided with drop weir 10, and the drop weir 10 of last one group of processing unit highly is higher than drop weir 10 height of next group processing unit; The glaur water sepn partly comprises settling tank, end isolation is provided with cloth tank 11 to settling tank in the longitudinal direction, the other end isolation is provided with water leg 12, water leg 12 is connected with rising pipe 13, cloth tank 11 is communicated with the upper end of biomembrance process treating part, cloth tank 11 bottoms are provided with water distributing pore, and the water distributing pore lower end is connected with water distributor 8.Fall stream 2 bottoms, unit and be provided with evacuated tube 6, the settling tank bottom is provided with shore pipe 14, falls stream 2 tops, unit and is provided with overflow weir 9, and the settling tank bottom is provided with bucket 7.
Every group is fallen the stream unit and novel flat column type filler, filler packing height is set to underwater 500mm, falls the stream width of unit on water (flow) direction and is not more than 2000mm, and the width of up-flow unit on water (flow) direction is 300～500mm; Any filler is not filled in the up-flow unit, fall stream unit and up-flow unit bottom together with, and the graticule mesh tissue filler be set flow to up-flow is unitary.Current are fallen by the water distribution crest of weir; Single-stage drop height 300～400mm; The unitary surface load 2～6m/h of stream falls; The drop weir meets 1.0～3L/ (ms).
The glaur water sepn partly adopts rectangular sedimentation tank, and water (flow) direction is perpendicular to the water (flow) direction of biological processing unit; Feed-water end in precipitation unit adopts the aperture water distribution, precipitation stream uniform distribution, and the water side need be provided with receives in the mill weir settling pond; The settling tank long-width ratio is greater than 1:4, form ratio little with 1: 2, the bottom is provided with bucket, the bucket inclination angle is greater than 55 °.
The utility model need once promote the processing of sanitary sewage, improves the water inlet height, realizes drop water aeration under this energy; By the reasonable control of aeration rate, the application of new bio filler, make and produce nitration denitrification effect simultaneously in the microbial film, overcome numerous low expense sanitary sewage disposal technology and nitrogen is removed the shortcoming of ability, realization is from oxygenation and have organic matter removal concurrently and the dual characteristics of nitrogen removal, the technology water outlet can reach urban wastewater treatment firm pollutant emission standard one-level B mark, especially aspect the removal of nitrogen.
Treatment effect:
(1) sanitary sewage COD＜60mg/L, NH3-N＜15mg/L, T-N＜25mg/L after integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed is handled reaches urban wastewater treatment firm pollutant emission standard (GB18918-2002) table 4 one-level B standard.
(2) about 0.2～0.3 yuan of/ton water of processing costs.
Claims (5)
1. integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed, it is characterized in that: comprise biomembrance process treating part and glaur water sepn part, described biomembrance process treating part comprises at least two group processing units, every group of processing unit comprise set gradually stream unit and up-flow unit fall, the stream unit that falls of first group of processing unit is provided with water inlet pipe, being provided with graticule mesh bottom falling between stream unit and the up-flow unit is communicated with, fall in the stream unit biofilm packing is set, upper end, up-flow unit is provided with the drop weir, and the drop height of weir degree of last one group of processing unit is higher than the drop height of weir degree of next group processing unit; Described glaur water sepn partly comprises settling tank, end isolation is provided with the cloth tank to settling tank in the longitudinal direction, the other end isolation is provided with water leg, water leg is connected with rising pipe, the cloth tank is communicated with the upper end of biomembrance process treating part, the cloth bottom of gullet is provided with water distributing pore, and the water distributing pore lower end is connected with water distributor.
2. integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed according to claim 1 is characterized in that: the described stream unit bottom of falling is provided with evacuated tube, and the settling tank bottom is provided with shore pipe.
3. integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed according to claim 1 and 2 is characterized in that: the described stream top, unit that falls is provided with overflow weir.
4. integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed according to claim 3 is characterized in that: described settling tank bottom is provided with bucket.
5. integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed according to claim 4 is characterized in that: described biomembrance process treating part comprises three groups of processing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202288788U CN201722255U (en) | 2010-06-18 | 2010-06-18 | Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202288788U CN201722255U (en) | 2010-06-18 | 2010-06-18 | Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed |
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| Publication Number | Publication Date |
|---|---|
| CN201722255U true CN201722255U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202288788U Expired - Lifetime CN201722255U (en) | 2010-06-18 | 2010-06-18 | Domestic sewage denitrifying advanced treatment integral device for self-oxygenization fixed bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880108A (en) * | 2010-06-18 | 2010-11-10 | 河南蓝森环保科技有限公司 | Integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed |
| CN102557338A (en) * | 2011-12-13 | 2012-07-11 | 浙江省环境保护科学设计研究院 | Method for treating rural domestic sewage |
| CN102674534A (en) * | 2012-05-25 | 2012-09-19 | 复旦大学 | Falling water aeration biofilter for sewage treatment |
-
2010
- 2010-06-18 CN CN2010202288788U patent/CN201722255U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880108A (en) * | 2010-06-18 | 2010-11-10 | 河南蓝森环保科技有限公司 | Integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed |
| CN101880108B (en) * | 2010-06-18 | 2012-09-19 | 河南蓝森环保科技有限公司 | Integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed |
| CN102557338A (en) * | 2011-12-13 | 2012-07-11 | 浙江省环境保护科学设计研究院 | Method for treating rural domestic sewage |
| CN102674534A (en) * | 2012-05-25 | 2012-09-19 | 复旦大学 | Falling water aeration biofilter for sewage treatment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |