CN203200126U - Small internal circulation fixed-bed domestic sewage treatment device - Google Patents
Small internal circulation fixed-bed domestic sewage treatment device Download PDFInfo
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- CN203200126U CN203200126U CN 201320042965 CN201320042965U CN203200126U CN 203200126 U CN203200126 U CN 203200126U CN 201320042965 CN201320042965 CN 201320042965 CN 201320042965 U CN201320042965 U CN 201320042965U CN 203200126 U CN203200126 U CN 203200126U
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- fixed bed
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- recycle fixed
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Abstract
The utility model discloses a small internal circulation fixed-bed domestic sewage treatment device which comprises an aeration grid tank, a water collection tank, an internal circulation fixed-bed biological tank, an artificial wetland and a disinfection tank. Compared with the traditional A/O (anoxic/oxic) technology, according to the small internal circulation fixed-bed domestic sewage treatment device disclosed by the utility model, the internal circulation fixed-bed biological tank-artificial wetland technology does not need a reflux pump and a secondary sedimentation tank, the A and O reactions can be realized at the same time in the internal circulation fixed-bed biological tank, the equipment is simple, the investment and operation cost is low, and the problems of complicated flow, high investment and operation cost and the like of the existing treatment technology are solved.
Description
Technical field
The utility model relates to the sanitary sewage disposal field, particularly a kind of small-sized internal recycle fixed bed sewage treatment unit.
Background technology
At present, small-sized sanitary sewage disposal technology mainly contains A/O technology, contact oxidation technology, bio-trickling technology, purification tank technology, earthworm filter tank technique etc., and is aided with artificial swamp processing denitrogenation.Wherein the most commonly used is A/O technology, and this art breading effect stability also has the biological dephosphorize denitrification effect, but traditional A/O technology need arrange return-flow system and second pond, complex process, investment and working cost height.Therefore a kind of small-sized internal recycle fixed bed sewage treatment unit is provided, need not to arrange reflux pump and second pond, oxygen (A) and aerobic (O) reaction simultaneously can realize holding concurrently in internal recycle fixed bed biological tank, equipment is simple, investment and working cost are low, have solved problems such as existing treatment technology flow process complexity, investment and working cost height.
Summary of the invention
The purpose of this utility model provides a kind of small-sized internal recycle fixed bed sewage treatment unit, need not to arrange reflux pump and second pond, can realize double oxygen (A) and aerobic (O) reaction simultaneously in internal recycle fixed bed biological tank, equipment is simple, and investment and working cost are low.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of small-sized internal recycle fixed bed sewage treatment unit is characterized in that, comprises grids for aeration pond, water collecting basin, internal recycle fixed bed biological tank, artificial swamp and sterilization pool,
Described grids for aeration pond comprises grating tank water-in, grid, aeration tube, flowing hole and access hole, a described grid grids for aeration pond that is tilted to the right is separated into left inhalant region and right exhalant region, described grating tank water-in is located on the left inhalant region side, described aeration tube is located at right exhalant region near the grid bottom, described flowing hole is located at right exhalant region one side bottom, described access hole is located at the middle position, top in grids for aeration pond and is exposed from surface of stratum
A side bottom is provided with the lifting water pump in the described water collecting basin, and described lifting water pump is provided with water inlet pipe,
Described internal recycle fixed bed biological tank comprises aerobic zone, aerobic area, aerator, internal recycle fixed bed water outlet and access hole, described aerobic zone is located at internal recycle fixed bed biological tank inside, described aerobic area is located at the mid-way of aerobic zone, bottom, described aerobic zone two ends is laid with aerator, be laid with filler in described aerobic zone and the aerobic area, described internal recycle fixed bed water outlet is located at the upper end, right side of internal recycle fixed bed biological tank, top and each access hole that described access hole all is laid in internal recycle fixed bed biological tank expose from surface of stratum
Described artificial swamp left side is provided with the cloth water channel, and described cloth water channel left upper portion is provided with the artificial swamp water-in, and described artificial swamp bottom is provided with the packing area,
Described sterilization pool right side is provided with the sterilization pool water outlet,
Described grids for aeration pond be located at water collecting basin above, described internal recycle fixed bed biological tank is located at the water collecting basin right side, described artificial swamp is located at internal recycle fixed bed biological tank right side, described sterilization pool is located at the artificial swamp right side, described right exhalant region and water collecting basin communicate, described water inlet pipe leads in the internal recycle fixed bed, and described internal recycle fixed bed water outlet communicates with described artificial swamp water-in, and described artificial swamp and sterilization pool communicate.
Further, the gap between the described grid is 2～5mm.
Further, described filler is combined stuffing, elastic filler, floating stuffing etc., filling ratio 50～90%.
Further, described aerobic area can be 1:2～1:6 with the area ratio of aerobic zone.
Description of drawings
Fig. 1 is a kind of schematic flow sheet of small-sized internal recycle fixed bed sewage treatment unit.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, a kind of small-sized internal recycle fixed bed sewage treatment unit, comprise grids for aeration pond 1, water collecting basin 2, internal recycle fixed bed biological tank 3, artificial swamp 4 and sterilization pool 5, described grids for aeration pond 1 comprises grating tank water-in 6, grid 7, aeration tube 8, flowing hole 9 and access hole 16, wherein grid 7 a grids for aeration pond 1 that is tilted to the right is separated into left inhalant region and right exhalant region, and the gap between the grid 7 is 3mm, grating tank water-in 6 is located on the left inhalant region side, aeration tube 8 is located at right exhalant region near grid 7 bottoms, flowing hole 9 is located at right exhalant region one side bottom, and access hole 16 is located at the middle position, top in grids for aeration pond 1 and is exposed from surface of stratum.A side bottom is provided with and promotes water pump 10 in the described water collecting basin 2, and the lifting water pump is provided with water inlet pipe 11.Described internal recycle fixed bed biological tank 3 comprises aerobic zone 13, aerobic area 12, aerator 15, internal recycle fixed bed water outlet 17 and access hole, wherein, aerobic zone 13 is located at internal recycle fixed bed biological tank 3 inside, and aerobic area 12 is located at the mid-way of aerobic zone 13, aerobic area 12 is 1:4 with the area ratio of aerobic zone 13 in the present embodiment, and bottom, aerobic zone 13 two ends is laid with aerator 15, be laid with filler 14 in described aerobic zone 13 and the aerobic area 12, its filling ratio is 80%, internal recycle fixed bed water outlet 17 is located at the upper end, right side of internal recycle fixed bed biological tank 3, top and each access hole that access hole all is laid in internal recycle fixed bed biological tank expose from surface of stratum, wherein, artificial swamp 4 left sides are provided with cloth water channel 19, and cloth water channel 19 left upper portion are provided with artificial swamp water-in 18, and artificial swamp 4 bottoms are provided with packing area 20.Described sterilization pool 5 right sides are provided with sterilization pool water outlet 21.Described grids for aeration pond 1 be located at water collecting basin 2 above, internal recycle fixed bed biological tank 3 is located at water collecting basin 2 right sides, artificial swamp 4 is located at internal recycle fixed bed biological tank 3 right sides, sterilization pool 5 is located at artificial swamp 4 right sides, wherein, described right exhalant region and water collecting basin 2 communicate, and described water inlet pipe 11 leads to biological tank in the internal recycle fixed bed, and described internal recycle fixed bed water outlet 17 communicates with described artificial swamp water-in 18.When using this small-sized internal recycle fixed bed sewage treatment unit, its working process is as follows, sewage flows to grids for aeration pond 1 by grating tank water-in 6, collection enters grid 7 through screen cloth, remove floating matter and the suspended substance of big particle diameter in the sewage by screen filtration, grid 7 water outlets enter water collecting basin 2 by right inhalant region, water collecting basin 2 main collection sewage, the regulating pondages be responsible for.Sewage in the water collecting basin 2 is promoted in the internal recycle fixed bed biological tank 3 through promoting water pump 10, filler 14 is set in the internal recycle fixed bed biological tank 3 and carries out aeration aerating, remove COD by biological degradation, BOD, ammonia nitrogen, pollutents such as total phosphorus, sewage enters artificial swamp 4 by internal recycle fixed bed biological tank water outlet 17 then, artificial swamp 4 is by the filtration of holding back of packing area 20, plant roots and stems absorbs, organic pollutant is removed in effect such as the absorption of filler, suspended substance, ammonia nitrogen, pollutents such as total phosphorus, final sewage is in sterilization pool after 5 the sustained disinfectant sterilization, meet " urban wastewater treatment firm pollutant emission standard " one-level B standard-required, can be from 21 dischargings of sterilization pool water outlet.
To sum up, a kind of small-sized internal recycle fixed bed sewage treatment unit that the utility model provides need not to arrange reflux pump and second pond, and oxygen (A) and aerobic (O) reaction simultaneously can realize holding concurrently in internal recycle fixed bed biological tank, equipment is simple, and investment and working cost are low.
Above-described only is embodiment of the present utility model.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (1)
1. a small-sized internal recycle fixed bed sewage treatment unit is characterized in that, comprises grids for aeration pond, water collecting basin, internal recycle fixed bed biological tank, artificial swamp and sterilization pool,
Described grids for aeration pond comprises grating tank water-in, grid, aeration tube, flowing hole and access hole, a described grid grids for aeration pond that is tilted to the right is separated into left inhalant region and right exhalant region, described grating tank water-in is located on the left inhalant region side, described aeration tube is located at right exhalant region near the grid bottom, described flowing hole is located at right exhalant region one side bottom, described access hole is located at the middle position, top in grids for aeration pond and is exposed from surface of stratum
A side bottom is provided with the lifting water pump in the described water collecting basin, and promotes water pump and be provided with water inlet pipe,
Described internal recycle fixed bed biological tank comprises aerobic zone, aerobic area, aerator, internal recycle fixed bed water outlet and access hole, described aerobic zone is located at internal recycle fixed bed biological tank inside, described aerobic area is located at the mid-way of aerobic zone, bottom, described aerobic zone two ends is laid with aerator, be laid with filler in described aerobic zone and the aerobic area, described internal recycle fixed bed water outlet is located at the upper end, right side of internal recycle fixed bed biological tank, top and each access hole that described access hole all is laid in internal recycle fixed bed biological tank expose from surface of stratum
Described artificial swamp left side is provided with the cloth water channel, and described cloth water channel left upper portion is provided with the artificial swamp water-in, and described artificial swamp bottom is provided with the packing area,
Described sterilization pool right side is provided with the sterilization pool water outlet,
Described grids for aeration pond be located at water collecting basin above, described internal recycle fixed bed biological tank is located at the water collecting basin right side, described artificial swamp is located at internal recycle fixed bed biological tank right side, described sterilization pool is located at the artificial swamp right side, described right exhalant region and water collecting basin communicate, described water inlet pipe leads in the internal recycle fixed bed biological tank, and described internal recycle fixed bed water outlet communicates with described artificial swamp water-in, and described artificial swamp and sterilization pool communicate.
2. a kind of small-sized internal recycle fixed bed sewage treatment unit according to claim 1 is characterized in that the gap between the described grid is 2～5mm.
3. a kind of small-sized internal recycle fixed bed sewage treatment unit according to claim 1 is characterized in that, described aerobic area can be 1:2～1:6 with the area ratio of aerobic zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042965 CN203200126U (en) | 2013-01-28 | 2013-01-28 | Small internal circulation fixed-bed domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042965 CN203200126U (en) | 2013-01-28 | 2013-01-28 | Small internal circulation fixed-bed domestic sewage treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN203200126U true CN203200126U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320042965 Expired - Fee Related CN203200126U (en) | 2013-01-28 | 2013-01-28 | Small internal circulation fixed-bed domestic sewage treatment device |
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| CN (1) | CN203200126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835988A (en) * | 2019-03-29 | 2019-06-04 | 重庆融极环保工程有限公司 | A kind of layout method of fixed filler |
-
2013
- 2013-01-28 CN CN 201320042965 patent/CN203200126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835988A (en) * | 2019-03-29 | 2019-06-04 | 重庆融极环保工程有限公司 | A kind of layout method of fixed filler |
| CN109835988B (en) * | 2019-03-29 | 2021-10-19 | 重庆融极环保工程有限公司 | Layout method for fixed filler |
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| Date | Code | Title | Description |
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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: 20160128 |
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| EXPY | Termination of patent right or utility model |