CN203904147U - Efficient low-energy-consumption sewage treatment device - Google Patents
Efficient low-energy-consumption sewage treatment device Download PDFInfo
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- CN203904147U CN203904147U CN201420272549.1U CN201420272549U CN203904147U CN 203904147 U CN203904147 U CN 203904147U CN 201420272549 U CN201420272549 U CN 201420272549U CN 203904147 U CN203904147 U CN 203904147U
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Abstract
The utility model relates to an efficient low-energy-consumption sewage treatment device, which comprises a pretreatment sedimentation unit, a hydrolytic acidification unit, an anaerobic aerobic coupling biochemical treatment unit and a filtering unit which are sequentially arranged, wherein the anaerobic aerobic coupling biochemical treatment unit comprises an aerobic reaction unit, a microbial reaction unit and an anaerobic reaction unit; the anaerobic reaction unit is connected in parallel with the microbial reaction unit and water enters the anaerobic reaction unit; the microbial reaction unit is connected in series with the aerobic reaction unit to form a plug flow system; water discharged from the anaerobic reaction unit enters the aerobic reaction unit after passing through the microbial reaction unit. According to the utility model, through the processes of hydrolytic acidification, micro-oxygenation and aerobic anaerobic coupling, the retention time of sewage is shortened effectively, and operating energy consumption in sewage treatment is reduced, so that the operating cost is reduced; the yield of biochemical sludge is reduced through the anaerobic aerobic coupling process. The sewage treatment device provided by the utility model is compact in structure, small in occupied area, low in investment, easy to manage and maintain, and high capacity in resistance to impact load and does not have easily damaged parts.
Description
Technical field
The utility model relates to sanitary sewage disposal technical field, more particularly, relates to a kind of high-efficiency low energy consumption waste disposal plant.
Background technology
Along with novel town development planning, the quickening of Urbanization Process In China, small-sized cities and towns enter concentrates the construction period, the modern development of the increase of small-sized urban population and industrial and agricultural production, the sewage quantity producing in production and life process also increases day by day, simultaneously also trend gradually focuses on, and in order to alleviate the harm of sewage to water body and environment, before it is released in environment, needs through purifying treatment.Existing sewage treatment process system consists of pre-treatment, biochemical treatment system and mud separation system mostly, main process technology is relatively stable and ripe, how better by biochemical process applied in any combination, reduce mud discharging and low operation energy consumption, become the main direction of current Sewage treatment systems research, at present, the operation and management cost of the sewage treatment process of main flow has tended to stable, thinks that further reduction needs to study new treatment process method.
Rural area, small towns population is sparsely populated, planning descends sewage network investment huge on a large scale, sewage takes to focus on mode non-best choice, take dispersion treatment to be more conducive to the processing problem of small towns sewage, in addition, if the processing of rural area and small towns sewage adopts and focuses on, build medium-and-large-sized sewage treatment facility, it uses and sludge disposal also exists more problem, therefore, research and development Novel low-consumption, non-maintaining, few spoil disposal Sewage treatment systems and equipment are conducive to promote the universal of rural area and small towns sewage treatment facility, for positive prograding is played in the remote environment protection being located in.
Utility model content
The technical problems to be solved in the utility model is, a kind of high-efficiency low energy consumption waste disposal plant is provided.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of high-efficiency low energy consumption waste disposal plant, comprise the pre-treatment precipitation unit setting gradually, acidication unit, anaerobism oxygen consumption coupling biochemical treatment unit and filtering unit, described anaerobism oxygen consumption coupling biochemical treatment unit comprises by upper, in, the aerobic reaction unit of lower three layers of layout, microbial reaction unit and anaerobic reaction unit, the water inlet in parallel with microbial reaction unit of described anaerobic reaction unit, described microbial reaction unit and aerobic reaction units in series form plug-flow system, described anaerobic reaction unit water outlet enters aerobic unit behind microbial reaction unit, form the biological treatment system of semi open model.
In such scheme, described aerobic reaction unit bottom is provided with aeration tube, and described aeration tube adopts micro-hole aerator to carry out aeration.
In such scheme, described aerobic reaction is provided with fixed biologically carrier in unit, and described fixed biologically carrier adopts gac or haydite.
In such scheme, described pre-treatment precipitation unit comprises into water graticule mesh, settling tank and water outlet weir notch, described water inlet graticule mesh and water outlet weir notch are positioned at the top of settling tank, and described water outlet weir notch end connects rising pipe, and rising pipe is connected with the water distributor of acidication unit along acidication cell-wall.
In such scheme, the dividing plate that described acidication unit adopts polylith to shift to install is separated.
In such scheme, described settling tank middle part is provided with V-type swash plate.
In such scheme, in described filtering unit, be provided with filler, described filler adopts gac or haydite.
Implement high-efficiency low energy consumption waste disposal plant of the present utility model, there is following beneficial effect:
(1) by acidication, low-level oxidation, aerobic-anaerobic coupling technique, can effectively reduce the residence time of sewage, reduce sewage operation energy consumption, thereby reduction running cost, remove total nitrogen, total phosphorus, inhibition algal grown, water quality treatment reaches < < urban wastewater treatment firm pollutant emission standard > > (GB18918-2002) one-level A emission standard;
(2) compact construction, floor space is little, and device can be taked buried, does not take ground space.
(3) internal system is without consumable accessory and expendable part, easy to maintenance;
(4) internal system unpowered systems, does not need dosing, all adopts gravity flow, and without personnel control, power consumption is extremely low, and power consumption is at 0.15kwh/m
3sewage～0.35kwh/m
3sewage;
(5) adopt semi open model system, form anaerobic-aerobic coupled technique, greatly reduce biochemical sludge generation, seldom need spoil disposal or spoil disposal not;
(6) adopt fixed type biological solid support material, the bubble that aeration is produced has cutting action, has improved the utilization ratio of aerobic reaction unit oxygen, has improved sludge loading and biochemical reaction efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the principle of the utility model high-efficiency low energy consumption waste disposal plant;
Fig. 2 is the structural representation of the utility model high-efficiency low energy consumption waste disposal plant.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As Figure 1-Figure 2, a kind of high-efficiency low energy consumption waste disposal plant of the utility model, comprises the pre-treatment precipitation unit 100, acidication unit 200, anaerobism oxygen consumption coupling biochemical treatment unit and the filtering unit 600 that set gradually.
Anaerobism oxygen consumption coupling biochemical treatment unit comprises aerobic reaction unit 500, microbial reaction unit 400 and the anaerobic reaction unit 300 of arranging by upper, middle and lower-ranking, and aerobic reaction unit 500, microbial reaction unit 400 and anaerobic reaction unit 300 ends communicate.Anaerobic reaction unit 300 water inlet in parallel with microbial reaction unit 400, microbial reaction unit 400 and aerobic reaction unit 500 plug-flow system in series, anaerobic reaction unit 300 water outlets enter aerobic unit behind microbial reaction unit 400, the biological treatment system that forms semi open model like this can according to formation function separately separately dominant group organism in sewage is degraded, simultaneously, the coupling reaction system that forms anaerobic and aerobic, is conducive to the biochemical sludge amount that minimizing system produces.
500 bottoms, aerobic reaction unit are provided with aeration tube 501, and aeration tube 501 adopts micro-hole aerator to carry out aeration.In aerobic reaction unit 500, be provided with fixed biologically carrier, fixed biologically carrier adopts gac or haydite.In preferred embodiment, adopt gac, gac density is 1108kg/m
3, particle size range is 1.0mm～1.5mm, specific surface area 5000m
2/ m
3, its filling ratio is 20%, is conducive to like this accelerate biochemical reaction, improves sludge loading.
Pre-treatment precipitation unit 100 comprises into water graticule mesh 102, settling tank and water outlet weir notch 103, water inlet graticule mesh 102 and water outlet weir notch 103 are positioned at the top of settling tank, water outlet weir notch 103 ends connect rising pipe, and rising pipe is connected with the water distributor of acidication unit 200 along acidication unit 200 walls.Water inlet graticule mesh 102 adopts fast detachable graticule mesh, and aperture plate aperture 5mm * 5mm, is connected with top manhole 104 by connecting rod, can be by artificial scarfing cinder fast.In the middle of settling tank, be provided with V-type swash plate 105, accelerate sedimentation.
200 tops, acidication unit are provided with manhole, and the inner dividing plate 201,202 that adopts polylith to shift to install is separated, and can build 3～5 Ge Fenge districts, forms a water plug flow system, is conducive to like this carrying out of hydrolysis reaction.
In filtering unit 600, be provided with filler 601, filler 601 adopts gac or haydite.Filtering unit 600 can also adopt upflowing activated carbon bio-filter, further improves water outlet level, can reduce the turbidity of water outlet simultaneously, and the flow velocity in filter tank is 5～8m/h.
The whole material of waste disposal plant can adopt glass reinforced plastic FRP, corrosion-resistant, long service life.Its inner non-power consumption device of waste disposal plant, only needs an Aeration fan or jet-flow aeration equipment to carry out aeration to aerobic reaction unit 500, and institute's consumption of power is extremely low.Waste disposal plant can be used as structures on the ground, also can adopt buried mode, and compact construction, if adopt buriedly, needs to configure a sludge pump.
Sewage can adopt from stream mode by water-in 101, enter into water graticule mesh 102, enter precipitate and separate unit 100, then sewage enters acidication unit 200 by overflow weir notch 103, acidication unit 200 forms baffling region by dividing plate 201,202, sewage enters anaerobic reaction unit 300 and microbial reaction unit 400 after baffling, and anaerobic reaction unit 300 water outlets enter aerobic reaction unit 500 through microbial reaction unit 400.Discharge the sewage after purifying by overflow weir notch 602 in filtering unit 600 filter tanks.System can be opened mud valve 010 and be carried out regular spoil disposal.
For device is moved efficiently, need to be set as follows parameter:
The dwell time of sewage of precipitation unit 100 is 0.5～1h.The dwell time of sewage of acidication unit is 1.5h, and anaerobic reaction unit dwell time of sewage is set as 1.5h, and microbial reaction unit dwell time of sewage is set as 0.5h, and aerobic reaction unit dwell time of sewage is set as 3h; Acidication unit dissolved oxygen DO is set as 0.3～0.5mg/L, and anaerobic reaction unit dissolved oxygen DO is set as 0～0.2mg/L, and aerobic reaction unit dissolved oxygen is set as 3.5～4mg/L, system pH optimum range 7.5～8.5.
The utility model also provides a kind of high-efficiency low energy consumption sewage treatment process of applying said apparatus, comprises the following steps:
S1, sewage is sent into pre-treatment precipitation unit carry out primary filter and precipitation;
Water after S2, precipitation enters acidication cell processing;
Water after S3, acidication cell processing enters aerobic reaction unit, microbial reaction unit and anaerobic reaction unit and processes, anaerobic reaction unit water inlet in parallel with microbial reaction unit, microbial reaction unit and aerobic reaction units in series form plug-flow system, anaerobic reaction unit water outlet enters aerobic unit behind microbial reaction unit, forms the biological treatment system of semi open model; Sewage in acidication unit, anaerobic reaction unit and the aerobic reaction member residence time be than being 1:1:2;
Water after S4, aerobic reaction cell processing enters after filtering unit is processed and discharges.
Below by the effect of two running example explanation the utility model less energy-consumption sewage treatment units.
Embodiment 1
This example is chosen certain holiday village sanitary wastewater, and waste water quality is as follows: pH is between 6～8, and SS is 168.4mg/L, chemical oxygen demand COD is 346mg/L, and biochemical oxygen demand (BOD) BOD is 267mg/L, and ammonia nitrogen is 32.5mg/L, total nitrogen TN is 38.1mg/L, and total phosphorus TP is 3.2mg/L, and the processing water yield is 50m
3/ d.
Adopt the utility model device to process, device diameters 2.5m, 5.2 meters of length, the about 20m of volume
3, before system enters sewage, need seed sludge, seed sludge is selected municipal wastewater treatment plant nearby, tame respectively aerobic, anoxic and anaerobic sludge, after sludge acclimatization completes, collecting tank sewage water infusion is entered to waste disposal plant of the present utility model, sewage enters hydrolysis acidification pool after graticule mesh and precipitation, the DO concentration 0.2～0.5mg/L that keeps acidication unit, keep anaerobic unit DO concentration < 0.2mg/L, aerobic unit is continued to aeration, guarantee that gas-water ratio is 1.5:1～3:1, aerobic reaction cells D O is 3.5mg～4mg/L, water outlet is monitored continuously.
Adopt GB testing method to measure effluent quality: water outlet COD is 22.8mg/L, and BOD is 5.4mg/L, and TN is 4.8mg/L, and TP is 0.3mg/L, and SS is 6mg/L; Water outlet meets one-level A emission standard in < < urban wastewater treatment firm pollutant emission standard > > (GB18918-2002).
Embodiment 2
The present embodiment is selected certain community life sewage, and waste water quality is as follows: pH is between 6～8, and SS is 218.5mg/L, chemical oxygen demand COD is 286mg/L, and biochemical oxygen demand (BOD) BOD is 147mg/L, and ammonia nitrogen is 36.5mg/L, total nitrogen TN is 42.1mg/L, and total phosphorus TP is 5.2mg/L.
By the utility model technique, sewage is processed, and adopting GB testing method to measure effluent quality, its water outlet reaches one-level A emission standard in < < urban wastewater treatment firm pollutant emission standard > > (GB18918-2002).
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (7)
1. a high-efficiency low energy consumption waste disposal plant, it is characterized in that, comprise the pre-treatment precipitation unit setting gradually, acidication unit, anaerobism oxygen consumption coupling biochemical treatment unit and filtering unit, described anaerobism oxygen consumption coupling biochemical treatment unit comprises by upper, in, the aerobic reaction unit of lower three layers of layout, microbial reaction unit and anaerobic reaction unit, the water inlet in parallel with microbial reaction unit of described anaerobic reaction unit, described microbial reaction unit and aerobic reaction units in series form plug-flow system, described anaerobic reaction unit water outlet enters aerobic unit behind microbial reaction unit, form the biological treatment system of semi open model.
2. high-efficiency low energy consumption waste disposal plant according to claim 1, is characterized in that, described aerobic reaction unit bottom is provided with aeration tube, and described aeration tube adopts micro-hole aerator to carry out aeration.
3. high-efficiency low energy consumption waste disposal plant according to claim 1, is characterized in that, described aerobic reaction is provided with fixed biologically carrier in unit, and described fixed biologically carrier adopts gac or haydite.
4. high-efficiency low energy consumption waste disposal plant according to claim 1, it is characterized in that, described pre-treatment precipitation unit comprises into water graticule mesh, settling tank and water outlet weir notch, described water inlet graticule mesh and water outlet weir notch are positioned at the top of settling tank, described water outlet weir notch end connects rising pipe, and rising pipe is connected with the water distributor of acidication unit along acidication cell-wall.
5. high-efficiency low energy consumption waste disposal plant according to claim 4, is characterized in that, the dividing plate that described acidication unit adopts polylith to shift to install is separated.
6. high-efficiency low energy consumption waste disposal plant according to claim 4, is characterized in that, described settling tank middle part is provided with V-type swash plate.
7. high-efficiency low energy consumption waste disposal plant according to claim 1, is characterized in that, in described filtering unit, is provided with filler, and described filler adopts gac or haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272549.1U CN203904147U (en) | 2014-05-26 | 2014-05-26 | Efficient low-energy-consumption sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272549.1U CN203904147U (en) | 2014-05-26 | 2014-05-26 | Efficient low-energy-consumption sewage treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN203904147U true CN203904147U (en) | 2014-10-29 |
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ID=51778436
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|---|---|---|---|
| CN201420272549.1U Withdrawn - After Issue CN203904147U (en) | 2014-05-26 | 2014-05-26 | Efficient low-energy-consumption sewage treatment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979739A (en) * | 2014-05-26 | 2014-08-13 | 湖北加德科技股份有限公司 | Efficient low energy consumption sewage treatment process and device |
| CN106862243A (en) * | 2017-03-16 | 2017-06-20 | 浙江科超环保有限公司 | Organic waste integral anaerobic processing equipment system |
| CN113461261A (en) * | 2021-07-02 | 2021-10-01 | 北京津工海水科技有限公司 | Optimization method for treatment process of biochemical system of refuse landfill |
-
2014
- 2014-05-26 CN CN201420272549.1U patent/CN203904147U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979739A (en) * | 2014-05-26 | 2014-08-13 | 湖北加德科技股份有限公司 | Efficient low energy consumption sewage treatment process and device |
| CN103979739B (en) * | 2014-05-26 | 2015-06-24 | 湖北加德科技股份有限公司 | Efficient low energy consumption sewage treatment process and device |
| CN106862243A (en) * | 2017-03-16 | 2017-06-20 | 浙江科超环保有限公司 | Organic waste integral anaerobic processing equipment system |
| CN113461261A (en) * | 2021-07-02 | 2021-10-01 | 北京津工海水科技有限公司 | Optimization method for treatment process of biochemical system of refuse landfill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |