CN202529905U - Multistage aerobic-anaerobic composite biological filter bed - Google Patents
Multistage aerobic-anaerobic composite biological filter bed Download PDFInfo
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- CN202529905U CN202529905U CN201220004241XU CN201220004241U CN202529905U CN 202529905 U CN202529905 U CN 202529905U CN 201220004241X U CN201220004241X U CN 201220004241XU CN 201220004241 U CN201220004241 U CN 201220004241U CN 202529905 U CN202529905 U CN 202529905U
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Abstract
The utility model belongs to the technical field of biological filter beds, and particularly relates to a multistage aerobic-anaerobic composite biological filter bed which comprises a water inlet pipe and more than two filter bed stages, wherein the liquid levels of all the filter bed stages gradually become lower; a filter bed rectification wall is divided into a water inlet tank, a filter chamber and a water outlet tank; a filler layer is filled in the filter chamber; the filler on the two sides of the filler layer has larger particle size, and the filler in the middle of the filler layer has smaller particle size; the particle sizes of the fillers in the middle of the filler layers sequentially decrease along the stages of the filter bed; the water outlet end of the water inlet pipe is arranged on the bottom of the water inlet tank of the first filter bed stage; the bottoms of the water outlet tanks of the previous filter bed stage and the latter filter bed stage are communicated through a siphon; the bottom of the water outlet tank of the final filter bed stage is communicated with a drainage tank; a vent stack, a vent main pipe and a vent branch are arranged in the middle of the filler layer; the vent branch is provided with vent holes at intervals; and plants capable of degrading pollutants are grown on the upper part of the filler layer. The utility model in such a structure has the advantages of small occupied area, low cost, wide application range and the like, and is convenient to construct.
Description
Technical field
The utility model belongs to the bacteria bed technical field, refers in particular to a kind of aquiculture recycled water and handles with multi-stage aerobic-anaerobism compound bio filter bed.
Background technology
At present, main both at home and abroad conventional physics, chemistry and the biochemical process processing aquiculture recycled water of adopting.Physical method requires equipment and PWR PLT are provided, and method is rough, has only the associating use just can receive reasonable effect; Chemical process requires high to technical qualification, and complex process, energy consumption is big and be prone to form secondary pollution.Organism in the aquiculture recycled water is mainly glucide, protein, fat etc., and biodegradability is good, is particularly suitable for adopting biologic treating technique.
Traditional microbial film filter has the characteristics such as mud is few, operational management is convenient that produce, therefore, adopt with the biological filter be core the art breading aquiculture recycled water research and use more.But existing research shows; Traditional biological membranous filter easy blocking; And be prone to cause the accumulation of circulating aquaculture system nitrogen element, cause output of aquatic products to descend, the removal of nitrogen mainly is to lean on nitrification of nitrifier and the denitrification of denitrifying bacterium in the sewage; Its process more complicated, to the conditional request of anaerobic and aerobic environment than higher.
At present, to the removal of nitrogen in the circulating aquaculture system, single filter adopts BAF, and its fabrication cost is high, and running cost is high; The compound bio filter mainly adopts artificial swamp, but artificial swamp is prone to obstruction, and floor space is big, thereby when design, will suit measures to local conditions, and need combine with other water technologies, and certain limitation is received in its popularization.
Summary of the invention
The purpose of the utility model provides a kind of construction and running cost is lower, be difficult for to stop up, treatment effect multi-stage aerobic-anaerobism compound bio filter bed preferably, to solve in the circulating aquaculture system technical problem such as nitrogen element accumulation.
The purpose of the utility model is achieved in that
A kind of multi-stage aerobic-anaerobism compound bio filter bed; Comprise water inlet pipe and filter bed; Described filter bed has more than the two-stage; The liquid level of every grade of filter bed time reduces according to level, and every grade of filter bed all is divided into inlet flume, filtering chamber and effluent trough with the rectification wall that the two sides is evenly equipped with perforation, is filled with filler in the filtering chamber and forms packing layer; Described packing layer is horizontal layering; The packing material size of packing layer is: the packing material size of both sides packing layer is big, the packing material size of intermediate filler layer is little, and the packing material size of the intermediate filler layer of every grade of filter bed time reduces with the level of filter bed successively, and the water side of water inlet pipe is arranged on the bottom of the inlet flume of previous stage filter bed; The bottom of the effluent trough of upper level filter bed is communicated with the inlet flume bottom of next stage filter bed through U trap; The effluent trough bottom of last step filter bed is communicated with through the sk-of U trap with the effluent trough bottom that is lower than the last step filter bed, vertically is provided with some vent stacks in the intermediate filler layer of every grade of filter bed, is horizontally arranged with above main vent of one deck and ventilation arm, and vent stack, main vent and ventilation arm intersect and be communicated with; Be arranged at intervals with ventilating pit on the ventilation arm; The upper end of vent stack is provided with opening, and the top kind of every grade of filter bed packing layer is implanted with the plant that can adapt to seawater or fresh water water quality characteristics and pollution degradation material, and the packing material size of the intermediate filler layer of previous stage filter bed is 10-15mm; The packing material size of the intermediate filler layer of last step filter bed is 2-4mm, and the filler that the intermediate filler layer of previous stage filter bed is used is a zeolite, and the filler that the intermediate filler layer of last step filter bed is used is a silica sand; The filler that the intermediate filler layer of intermediate stage filter bed is used is one of following material or its combination: volcanized rock, Wingdale, haydite, waste coal slag.
The filler of above-mentioned both sides packing layer is a cobble, and packing material size all adopts 30-50mm, and the width of both sides packing layer is 300-400mm.
Above-mentioned U trap is provided with valve for falling " U " type siphon water distributing pipe on U trap and water inlet pipe.
The difference of the highest liquid level between above-mentioned the superior and the subordinate filter bed is 500-600mm.
The distance of the U trap water sucking mouth in the above-mentioned effluent trough and the bottom of effluent trough is 30-50mm; The distance of U trap water outlet in the inlet flume and inlet flume bottom is 30-50mm, and the distance of U trap water outlet in the sk-and sk-bottom is 30-50mm.
U trap in the above-mentioned effluent trough is provided with and destroys the hole, destroys the highest liquid level of boring ratio next stage filter bed and exceeds 100-200mm, and the distance that U trap destroys hole and U trap water sucking mouth is 100-200mm.
The sectional dimension of boring a hole on the above-mentioned rectification wall is: length * wide=200mm * 30mm.
The plant of above-mentioned pollution degradation material of in briny environment, planting is: salt-tolerant plant jerusalem artichoke, reed or rye grass; The plant of the pollution degradation material of in fresh water environment, planting is: cattail, calamus, Scirpus tabernaemontani, wild Alpinia japonica.
The utility model is compared the outstanding and beneficial technical effects of prior art:
Multi-stage aerobic-anaerobism compound bio filter bed, associating filler, mikrobe and plant purify water jointly, have overcome the easy obstruction of traditional biological filter and have caused the shortcomings such as accumulation of nitrogen element in the aquaculture system.
1, the aerobic-anaerobism alternative state that utilizes siphon principle that multi-stage aerobic-anaerobism compound bio filter bed is in; Acting in conjunction through vent stack, main vent and ventilation arm; Improve the reoxygenation effect of intermediate filler layer greatly; Can strengthen Microbial denitrogenation on the filler, need not additionaling power consumption, running cost is low.
2, the packing material size of multi-stage aerobic-anaerobism compound bio filter bed intermediate filler layer reduces step by step, and the intermediate filler layer of previous stage filter bed is used zeolite, and absorb polluted matter matter ammonia nitrogen improves the efficient that follow-up equipment is denitrogenated; Last step filter bed intermediate filler layer adopts the less silica sand of particle diameter, reaches better filter effect, removes in the water to contain materials such as a spot of fine suspension, bacterium, virus, and trapped substance mass-energy is enough in the microbiological deterioration on the filler, has prevented latch up phenomenon.
3, multi-stage aerobic-anaerobism compound bio filter bed, floor space is little, and bed is dark more shallow, and it is convenient to build, and can be built directly in to culture on the dike of the pool; Mechanical means is few, and laid down cost is lower; Applied widely, be applicable to the seawater or the freshwater aquiculture circulating water treatment of large, medium and small type scale.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the schematic top plan view of the utility model Fig. 1;
Fig. 3 is the structural representation of the utility model ventilation arm;
Fig. 4 is the A-A cross-sectional schematic of the utility model Fig. 3;
Fig. 5 is the structural representation of the utility model rectification wall.
Fig. 6 is the structural principle synoptic diagram of the utility model applicating example.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-6:
A kind of multi-stage aerobic-anaerobism compound bio filter bed; Comprise water inlet pipe 4 and filter bed (L1, L2, L3); Described filter bed (L1, L2, L3) has two-stage above (the utility model is 3 grades); The liquid level of every grade of filter bed is according to level time reduction; Every grade of filter bed all is divided into inlet flume (6,16), filtering chamber 3 and effluent trough 14 with the rectification wall 7 that the two sides is evenly equipped with perforation 29; Be filled with the packing layer (8,9,10) that filler forms in the filtering chamber 3, described packing layer (8,9,10) is horizontal layering, and the packing material size of packing layer (8,9,10) is: the packing material size of both sides packing layer (8,9) is big, the packing material size of intermediate filler layer 10 is little; The packing material size of the intermediate filler layer 10 of every grade of filter bed reduces with the level of filter bed is inferior successively; The water side of water inlet pipe 4 is arranged on the bottom of the inlet flume 6 of previous stage filter bed, and the bottom of the effluent trough 14 of upper level filter bed is communicated with inlet flume 16 bottoms of next stage filter bed through U trap 15, and effluent trough 14 bottoms of last step filter bed are communicated with through the sk-21 of U trap 15 with the effluent trough that is lower than the last step filter bed 14 bottoms; Vertically be provided with some vent stacks 11 in the intermediate filler layer 10 of every grade of filter bed, be horizontally arranged with above main vent 12 of one deck and ventilation arm 13; Vent stack 11, main vent 12 and ventilation arm 13 intersect and are communicated with, and are arranged at intervals with ventilating pit 131 on the ventilation arm 13, and the upper end of vent stack 11 is provided with opening; The top kind of every grade of filter bed packing layer is implanted with the plant 2 that can adapt to seawater or fresh water water quality characteristics and pollution degradation material, and the packing material size of described intermediate filler layer 10 reduces to be meant one by one: the packing material size of the intermediate filler layer 10 of previous stage filter bed is 10-15mm; The packing material size of the intermediate filler layer 10 of last step filter bed is 2-4mm; The filler that the intermediate filler layer of previous stage filter bed is used is a zeolite; Absorb polluted matter matter ammonia nitrogen; Improve the efficient that follow-up equipment is denitrogenated, the filler that the intermediate filler layer of last step filter bed is used is a silica sand, and purpose is to remove in the water to contain materials such as a spot of fine suspension, bacterium, virus; The filler of the intermediate filler layer 10 of intermediate stage filter bed is one of following material or its combination: volcanized rock, Wingdale, haydite, waste coal slag etc.
The filler of above-mentioned both sides packing layer (8,9) is a cobble, and packing material size all adopts 30-50mm, and the width of both sides packing layer (8,9) is 300-400mm.
Above-mentioned U trap 15 is provided with valve 5 for falling " U " type siphon water distributing pipe on U trap 15 and water inlet pipe 4.
The difference of the highest liquid level between above-mentioned the superior and the subordinate filter bed is 500-600mm.
The distance of U trap 15 water sucking mouths in the above-mentioned effluent trough 14 and the bottom of effluent trough 14 is 30-50mm; U trap 15 water outlets in the inlet flume 16 and the distance of inlet flume 16 bottoms are 30-50mm, and the U trap water outlet in the sk-21 and the distance of sk-21 bottoms are 30-50mm.
U trap 15 in the above-mentioned effluent trough 14 is provided with and destroys hole 20; Destroy hole 20 and exceed 100-200mm than the highest liquid level of next stage filter bed; U trap 15 destruction holes 20 are 100-200mm with the distance of U trap 15 water sucking mouths; Make the anaerobic layer that has certain altitude in the filter bed, guarantee that the anaerobic denitrifying process is abundant.
The sectional dimension of perforation 29 is on the above-mentioned rectification wall 7: length * wide=200mm * 30mm.
The plant 2 of above-mentioned pollution degradation material of in briny environment, planting is: salt-tolerant plant jerusalem artichoke, reed or rye grass etc.; The plant of the pollution degradation material of in fresh water environment, planting is: cattail, calamus, Scirpus tabernaemontani, wild Alpinia japonica etc.
The working process of the utility model: sewage gets into filter bed L1 from water inlet pipe 4 and filters: sewage gets into the inlet flume 6 of filter bed L1 from water inlet pipe 4; Through large particle size filler layer 8 infiltration that flow into the left side after rectification wall 7 rectifications that perforation 29 is arranged; Then to intermediate filler layer 10 infiltrations; Flow to the large particle size filler layer 9 on right side again; By collecting in the effluent trough 14 after rectification wall 7 rectifications that perforation 29 is arranged, after the liquid level in the effluent trough 14 covers U trap 15 summits, in the U trap 15 siphon takes place; Water is transported in the inlet flume 16 of next stage filter bed L2 and reduces the liquid level of upper level filter bed L1 in the effluent trough 14; When the liquid level of upper level filter bed L1 is lower than the height of destruction mouth 20 of U trap 15 front end ingresss, the siphon destructive in the U trap 15, suction stops; The principle of work of other grade filter bed (L2, L3) is identical with the principle of work of previous stage filter bed L1; Detail no longer one by one, the water that purifies through one-level filter bed L1 be transported in the inlet flume 16 of next stage filter bed L2 large particle size filler layer 8 through rectification wall 7, left side, intermediate filler layer 10, right side large particle size filler layer 9, effluent trough 14, send into again the inlet flume 16 of next stage filter bed L3 with U trap 15, behind the large particle size filler layer 9 on the large particle size filler layer 8 in rectification wall 7, left side, intermediate filler layer 10, right side, effluent trough 14; Send in the sk-21 with U trap 15, formed a complete filtration procedure;
Sewage is from water inlet pipe 4 beginnings, and the purification through filter bed L1, filter bed L2, filter bed L3 reaches the effluent quality standard, is discharged by sk-21 at last; Reduced step by step time by the design altitude between the multistage filter bed, sewage mainly relies on siphon to accomplish in process of flowing step by step, and the generation of siphon and destroying in the reciprocal process in U trap 15 constantly changes water level in the filter beds at different levels " on-down " automatically.When water level descends; Extraneous air can be got in the filler space by suction rapidly through vent stack 11, main vent 12 and ventilation arm 13 in the intermediate filler layer 10; Air directly and the mikrobe and the liquid film that adhere on the filler carry out the oxygen transmission, mikrobe has been in oxygen condition on the filler; When water level rises; Microbial consumption oxygen in water on the filler is to most; Form anaerobic state, regulate the siphon flow velocity, thereby reach microorganism aerobic-anaerobic state alternative cycle on the control filler through the aperture of U trap 15 adjusted valves 5; Mikrobe on the filler is under the continuous alternative mode of aerobic-anaerobism and moves, effect that can strengthened denitrification.This oxygenation mode, reoxygenation efficient is high and need not external energy consumption, has solved traditional biological filter technology because dissolved oxygen deficiency and the problem of restriction system contaminant degradation ability; Through multilevel mode, packing material size reduces step by step, has prevented system jams simultaneously; In the filtration of every grade of filter bed; Because the plant 2 of the degradable pollution substance of plantation has absorbed the organism in the sewage, even water quality has obtained purification, has beautified environment again.
The utility model in actual use; The quantity of inlet flume (6,16), filter bed (L1, L2, L3) and effluent trough 14 can be provided with according to actual needs; Simultaneously, filling kind and particle diameter can be provided with according to the composition of pollutent in the sewage targetedly in each filter bed.
The applicating example of the utility model, referring to Fig. 6:
The feed-water end of the water inlet pipe of the utility model B is communicated with in pipeline and the aquaculture pool D; Water pump E is installed on the water inlet pipe; The sk-inner chamber of the utility model B is communicated with aquaculture pool D with pipeline; Pipeline between sk-and the aquaculture pool D is provided with ultraviolet disinfector C, and water pump E is extracted into the water in the D of the aquaculture pool in the inlet flume of previous stage filter bed of the utility model B, through getting into behind the cascade filtration in the sk-; After the ultraviolet disinfector sterilization, return again and form the device that the water quality in the D of the aquaculture pool is carried out the pump circulation purifying treatment in the D of the aquaculture pool, guaranteed the quality and the output of aquaculture products.
The foregoing description is merely the preferred embodiment of the utility model, is not the protection domain that limits the utility model according to this, so: the equivalence that all structures according to the utility model, shape, principle are done changes, and all should be covered by within the protection domain of the utility model.
Claims (9)
1. multi-stage aerobic-anaerobism compound bio filter bed; It is characterized in that: comprise water inlet pipe and filter bed; Described filter bed has more than the two-stage; The liquid level of every grade of filter bed time reduces according to level, and every grade of filter bed all is divided into inlet flume, filtering chamber and effluent trough with the rectification wall that the two sides is evenly equipped with perforation, is filled with filler in the filtering chamber and forms packing layer; Described packing layer is horizontal layering; The packing material size of packing layer is: the packing material size of both sides packing layer is big, the packing material size of intermediate filler layer is little, and the packing material size of the intermediate filler layer of every grade of filter bed time reduces with the level of filter bed successively, and the water side of water inlet pipe is arranged on the bottom of the inlet flume of previous stage filter bed; The bottom of the effluent trough of upper level filter bed is communicated with the inlet flume bottom of next stage filter bed through U trap; The effluent trough bottom of last step filter bed is communicated with through the sk-of U trap with the effluent trough bottom that is lower than the last step filter bed, vertically is provided with some vent stacks in the intermediate filler layer of every grade of filter bed, is horizontally arranged with above main vent of one deck and ventilation arm, and vent stack, main vent and ventilation arm intersect and be communicated with; Be arranged at intervals with ventilating pit on the ventilation arm; The upper end of vent stack is provided with opening, and the top kind of every grade of filter bed packing layer is implanted with the plant that can adapt to seawater or fresh water water quality characteristics and pollution degradation material, and the packing material size of the intermediate filler layer of previous stage filter bed is 10-15mm; The packing material size of the intermediate filler layer of last step filter bed is 2-4mm.
2. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: the filler of said both sides packing layer is a cobble, and packing material size all adopts 30-50mm, and the width of both sides packing layer is 300-400mm.
3. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: described U trap is provided with valve for falling " U " type siphon water distributing pipe on U trap and water inlet pipe.
4. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: the difference of the highest liquid level between said the superior and the subordinate filter bed is 500-600mm.
5. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed; It is characterized in that: the distance of the U trap water sucking mouth in the said effluent trough and the bottom of effluent trough is 30-50mm; The distance of U trap water outlet in the inlet flume and inlet flume bottom is 30-50mm, and the distance of U trap water outlet in the sk-and sk-bottom is 30-50mm.
6. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed; It is characterized in that: the U trap in the said effluent trough is provided with and destroys the hole; Destroy the highest liquid level of boring ratio next stage filter bed and exceed 100-200mm, the distance that U trap destroys hole and U trap water sucking mouth is 100-200mm.
7. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: the sectional dimension of boring a hole on the said rectification wall is: length * wide=200mm * 30mm.
8. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: the plant of said pollution degradation material of in briny environment, planting is: salt-tolerant plant jerusalem artichoke, reed or rye grass; The plant of the pollution degradation material of in fresh water environment, planting is: cattail, calamus, Scirpus tabernaemontani, wild Alpinia japonica.
9. multi-stage aerobic according to claim 1-anaerobism compound bio filter bed is characterized in that: the filler that the intermediate filler layer of said previous stage filter bed is used is a zeolite, and the filler that the intermediate filler layer of last step filter bed is used is a silica sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220004241XU CN202529905U (en) | 2012-01-06 | 2012-01-06 | Multistage aerobic-anaerobic composite biological filter bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220004241XU CN202529905U (en) | 2012-01-06 | 2012-01-06 | Multistage aerobic-anaerobic composite biological filter bed |
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| Publication Number | Publication Date |
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| CN202529905U true CN202529905U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220004241XU Expired - Fee Related CN202529905U (en) | 2012-01-06 | 2012-01-06 | Multistage aerobic-anaerobic composite biological filter bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756929A (en) * | 2013-02-05 | 2015-07-08 | 成都新朝阳作物科学有限公司 | Component of AOS (Aqua Organic System) |
| CN104803574A (en) * | 2015-04-03 | 2015-07-29 | 广西威尔森环保科技开发有限公司 | Septic-tank manufactured by mechanically winding glass fiber reinforced plastics |
-
2012
- 2012-01-06 CN CN201220004241XU patent/CN202529905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756929A (en) * | 2013-02-05 | 2015-07-08 | 成都新朝阳作物科学有限公司 | Component of AOS (Aqua Organic System) |
| CN104803574A (en) * | 2015-04-03 | 2015-07-29 | 广西威尔森环保科技开发有限公司 | Septic-tank manufactured by mechanically winding glass fiber reinforced plastics |
| CN104803574B (en) * | 2015-04-03 | 2017-02-22 | 广西威尔森环保科技开发有限公司 | Septic-tank manufactured by mechanically winding glass fiber reinforced plastics |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140106 |