CN104891658A - Biological filter device for sewage treatment - Google Patents
Biological filter device for sewage treatment Download PDFInfo
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- CN104891658A CN104891658A CN201510308732.1A CN201510308732A CN104891658A CN 104891658 A CN104891658 A CN 104891658A CN 201510308732 A CN201510308732 A CN 201510308732A CN 104891658 A CN104891658 A CN 104891658A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention relates to the field of environmental engineering, particularly a biological filter device for sewage treatment. The technical scheme is as follows: the biological filter device for sewage treatment is characterized by comprising a relatively closed biological filter and a water discharge tank, wherein the biological filter is provided with a water inlet pipe, a gas inlet pipe, an updraft gas outlet pipe and an overflow pipe; a water distribution device, filler-containing filter containers, a water circulator and a water discharge device are arranged in the biological filter; the filler-containing filter containers are arranged in the biological filter at intervals; a water outlet of the water distribution device is faced with the filler-containing filter containers; water of the water discharge device is discharged into the water discharge tank; and the water discharge tank is provided with a solar power electrocatalytic oxidization disinfection device. The novel biological filter device for sewage treatment has a simple structure; and the inside of the filer has different types of oxidization states and different sewage stream flow modes.
Description
Technical field
The present invention relates to field of environment engineering, refer to a kind of bacteria filter device of sewage disposal especially.
Background technology
Biological filter for sewage disposal generally includes the dissimilar reactor such as anaerobic biofilter, BAF, trickling filter, earthworm filter tank, its ultimate principle is in reaction unit, arrange certain filler, sewage is made to flow to filler by water-distributing device, under the comprehensive actions such as the microbial film grown by filling surface, protozoon, earthworm, the pollution substance in sewage is purified.Biological filter has the advantages such as operational management is simple, construction cost is low, mud generation is few, is thus at home and abroad widely used.
But existing dissimilar biological filter, often encounters a following difficult problem: 1, the homogeneity of water distribution is difficult to be guaranteed in application process.Usually, water distribution is carried out by tube having holes, turning spurt water device etc. in biological filter, but, after tube having holes, turning spurt water device etc. have been built, often be uneven because construction quality, foundation settlement etc. cause, cause water distribution uneven, the local water yield is excessive and local is too small, is difficult to the whole effects playing biological filter.If application number is the patent of invention of CN104192985.A, perforation water distributor is adopted to carry out water distribution, be difficult to overcome the problem that after the homogeneity of perforation processing and equipment are built, sedimentation brings, and application number is the patent of invention of CN102897916.A, adopt cloth water channel to carry out water distribution, the sewage brought due to problems such as foundation settlements flows into filter tank problem from cloth water channel lowest side cannot be overcome equally.2, traditional biological filter, usually the state of oxidation in inside, filter tank and sewage fluidised form all comparatively single, usual aerating filter, bio-trickling filter has been oxygen condition, and anaerobic filter is anaerobic state, thus the biophase of inside, traditional filter tank is relatively single, the effect of each quasi-microorganism cannot be played simultaneously, improve the processing efficiency to sewage, as CN102464402.A, CN102897916.A, the patent of invention of CN1923724, all adopt the form of aerating filter, the microorganism that its filter tank inner most is suitable for surviving is aerobic bacteria, and application number is CN200910077180.2, the patent of CN201220594106.5, then adopt the form of anaerobic filter, the microorganism major part of suitable existence is anaerobion, therefore the treatment effect in above-mentioned filter tank is limited.
Summary of the invention
The present invention is directed to the deficiency of existing dissimilar biological filter, provide that a kind of structure is simple, low cost of manufacture, the homogeneity that can ensure water distribution effect, inside, filter tank has the dissimilar state of oxidation concurrently and have the novel bacteria filter device for sewage disposal of different sewage flow patterns.
For achieving the above object, the present invention adopts following technical scheme: a kind of bacteria filter device for sewage disposal, it is characterized in that: the biological filter and the outlet sump that include relative closure, biological filter is provided with water inlet pipe, inlet pipe, pull out wind escape pipe and upflow tube, water-distributing device is provided with in described biological filter, with the filtration vessel of filler, water circle device and discharging device, filtration vessel wherein with filler is at least provided with two, the filtration vessel of each band filler is disposed in biological filter, the water outlet of water-distributing device is arranged facing to being with the filtration vessel of filler, the water of described discharging device enters in outlet sump, described outlet sump is provided with solar power catalytic oxidation sterilizing unit.
The further setting of the present invention is: described water-distributing device is arranged on more than 80% region of biological filter height, water-distributing device includes a water-distributing device and secondary water-distributing device from top to bottom successively, wherein water-distributing device is arranged on the top of secondary water-distributing device, one time water-distributing device is provided with one group, include a time water canal, a tank, secondary water-distributing device is provided with many groups, often organize the interval being arranged on the filtration vessel of each band filler corresponding to secondary water-distributing device, often organize secondary water-distributing device and include two time water canals and secondary tank, wherein secondary tank height is 22-28 cm, width is 40-70 cm, the length of secondary tank is the internal diameter width of biological filter, intermediate water trench bottom and four side seals close and are fixed on the shell of biological filter, the inner water of secondary tank makes in the tank that two time water canals can be floating, secondary tank is by steel plate, concrete or glass steel material are formed, described directly over two tanks 32-37 cm place be provided with a tank, a tank height is 22-28 cm, width is 40-70 cm, the length of a tank is greater than the overall length between the filtration vessel of spaced band filler, a bottom of gullet and four side seals close, and be fixed on filter apparatus shell by devices such as soles, a tank is by steel plate, concrete or glass steel material are formed, secondary tank and a tank are that the different mode of vertical space is arranged, a described time water canal and two time water canals are plastic channel, bottom and four side seals close, both bottom lengths and width are all than the tank length of correspondence and wide little, tank can be put into, chimb is provided with on the upside of one time water canal and two time water canals, chimb protrudes from the both sides of corresponding tank and arranges, chimb all offers water distributing pore, the water distributing pore of one time water canal is arranged facing to two time water canals, the water distributing pore of two time water canals is arranged facing to being with the filtration vessel of filler.
The further setting of the present invention is: described biological filter is by steel plate, concrete or glass steel material are formed, the length of biological filter is greater than 5.0 m, width is greater than 2 m, highly be greater than 1.8 m, filtration vessel in the filtration vessel of described band filler is rectangular-shaped container, its lateral opening hole, the diameter in hole is 0.5-2 cm, perforate is spaced apart 5-8 cm, open wide above container, described filler is the zeolite of 2-5 cm, haydite, plastic filler, gravel, one or more in fragment of brick, the width of the filtration vessel of described each band filler is 50-80 m, be highly the 70%-80% of biological filter height, length is the internal diameter width of biological filter, between the filtration vessel of mutual band filler, spacing distance is 50-80 cm.
The further setting of the present invention is: be also provided with fluid level control device in biological filter, highly fluid level control device is provided with at 3/4 and 1/4 of the filtration vessel being with filler, the recycle pump of described water circle device makes the sewage bottom biological filter enter into a time water canal, the water pump that goes out of described discharging device is controlled by liquid level induction system, described inlet pipe and pull out wind escape pipe adopt metal material make, both diameters are all at 20 more than cm, the height of inlet pipe more than biological filter is 30-50 cm, be connected with filter tank shell bottom inlet pipe, upper end is inverted U-shaped elbow form, surface coating white rust-inhibiting paint, pulling out the height of wind escape pipe more than filter tank is 2-4 m, surface coating black rust-inhibiting paint, biological filter is goed deep into until 80% place of filter tank height in bottom, pull out the setting of wind escape pipe top and can utilize the air exhausting device pulling out rising warm air or extraneous turned in wind escape pipe.
The further setting of the present invention is: described biological filter afterbody arranges upflow tube, and the water distributing pore diameter of a described time water canal on two time water canals is 3-5 cm, and the housing of a time water canal and two time water canals is made up of the double-layer plastic of interior envelope air.
By adopting such scheme, the technique effect of apparatus of the present invention is: one, by the setting of water-distributing device structure in filter tank, particularly pass through hydraulic floating, ensure that the abswolute level of water distribution, the homogeneity of water distribution can be guaranteed, solve traditional biological filter tank, particularly small-sized biological filter tank, in processing, in use procedure, the difficult problem that the water distribution caused due to the problem such as construction quality and sedimentation is uneven; Two, by packing layer, recycle pump and go out the isostructural setting of water pump and control method thereof, can make to be in anaerobic state all the time bottom packing layer in filter tank, packing layer top has been in oxygen condition all the time, and middle part is in the facultative state that anaerobic-aerobic replaces, thus the biophase enriched in filter tank, improve the ability that device removes total nitrogen; Three, being arranged alternately and the setting of recycle pump of packing layer and free-water level in filter tank, makes the sewage fluidised form in filter tank namely have vertical current, has again horizontal flow and undercurrent, enriched the fluidised form of sewage, improve mass transfer effect, promote that device is to the treatment effect of sewage.Four, water outlet is sterilized by solar power catalytic oxidation, reduces running cost, has effectively killed deleterious pathogens and unwanted bacteria simultaneously, ensure that the security of water outlet; Five, this device totally has that compact construction is simple, running cost is low, management is simple, can build up buried occupation of land and economize etc. a little many.
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment of the present invention device;
Fig. 2 be in Fig. 1 A-A to structural representation;
Fig. 3 be in Fig. 1 B-B to structural representation;
Fig. 4 be in Fig. 1 C-C to structural representation.
Embodiment
As Figure 1-Figure 4, a kind of bacteria filter device for sewage disposal, include biological filter 3 and the outlet sump 12 of relative closure, biological filter 3 is provided with water inlet pipe 1, inlet pipe 4, pull out wind escape pipe 17 and upflow tube 14, water-distributing device 5 is provided with in described biological filter 3, filtration vessel 2 with filler, water circle device 9 and discharging device 10, filtration vessel 2 wherein with filler is at least provided with two, the filtration vessel 2 of each band filler is disposed in biological filter 3, the water outlet of water-distributing device 5 is arranged facing to being with the filtration vessel 2 of filler, the water of described discharging device 10 enters in outlet sump 12, described outlet sump 12 is provided with solar power catalytic oxidation sterilizing unit 16.
In embodiments of the present invention, described water-distributing device 5 is arranged on more than 80% region of biological filter 3 height, water-distributing device 5 includes a water-distributing device 51 and secondary water-distributing device 52 from top to bottom successively, wherein water-distributing device 51 is arranged on the top of secondary water-distributing device 52, one time water-distributing device 51 is provided with one group, include a time water canal 511, a tank 512, secondary water-distributing device 52 is provided with many groups, often organize the interval being arranged on the filtration vessel 2 of each band filler of secondary water-distributing device 52 correspondence, often organize secondary water-distributing device 52 and include two time water canals 521 and secondary tank 522, wherein secondary tank 522 is highly 22-28 cm, width is 40-70 cm, the length of secondary tank 522 is the internal diameter width of biological filter 3, bottom secondary tank 522 and four side seals close and be fixed on the shell of biological filter 3, the inner water of secondary tank 522 makes in the tank 522 that two time water canals 521 can be floating, secondary tank 522 is by steel plate, concrete or glass steel material are formed, described directly over two tanks 522 32-37 cm place be provided with a tank 512, a tank height is 22-28 cm, width is 40-70 cm, the length of a tank 512 is greater than the overall length between the filtration vessel 2 of spaced band filler, bottom a tank 512 and four side seals close, and be fixed on filter apparatus 3 shell by devices such as soles, a tank 512 is by steel plate, concrete or glass steel material are formed, secondary tank 522 and a tank 512 are that the different mode of vertical space is arranged, a described time water canal 511 and two time water canals 521 are plastic channel, bottom and four side seals close, both bottom lengths and width are all than the tank length of correspondence and wide little, tank 512 can be put into, in 522, chimb is provided with on the upside of one time water canal 511 and two time water canals 521, chimb is from corresponding tank 512, the both sides of 522 are protruded and are arranged, chimb all offers water distributing pore, the water distributing pore of one time water canal 511 is arranged facing to two time water canals 521, the water distributing pore of two time water canals 521 is arranged facing to being with the filtration vessel 2 of filler.
In embodiments of the present invention, described biological filter 3 is by steel plate, concrete or glass steel material are formed, the length of biological filter 3 is greater than 5.0 m, width is greater than 2 m, highly be greater than 1.8 m, filtration vessel in the filtration vessel 2 of described band filler is rectangular-shaped container, its lateral opening hole, the diameter in hole is 0.5-2 cm, perforate is spaced apart 5-8 cm, open wide above container, described filler is the zeolite of 2-5 cm, haydite, plastic filler, gravel, one or more in fragment of brick, the width of the filtration vessel of described each band filler is 50-80 m, be highly the 70%-80% of biological filter height, length is the internal diameter width of biological filter, between the filtration vessel of mutual band filler, spacing distance is 50-80 cm.
In embodiments of the present invention, fluid level control device 11 is also provided with in biological filter 3, fluid level control device 11 is highly provided with at 3/4 and 1/4 of the filtration vessel 2 being with filler, the recycle pump of described water circle device 9 makes the sewage bottom biological filter enter into a time water canal 511, the water pump that goes out of described discharging device 10 is controlled by liquid level induction system 11, described inlet pipe 4 and pull out wind escape pipe 17 and adopt metal material to make, both diameters are all at 20 more than cm, the height of inlet pipe 4 in biological filter more than 3 is 30-50 cm, be connected with filter tank 3 shell bottom inlet pipe 4, upper end is inverted U-shaped elbow form, surface coating white rust-inhibiting paint, pulling out the height of wind escape pipe 17 in filter tank more than 3 is 2-4 m, surface coating black rust-inhibiting paint, bottom gos deep into biological filter until 80% place of filter tank 3 height, pull out the setting of wind escape pipe 17 top and can utilize the air exhausting device 171 pulling out rising warm air or extraneous turned in wind escape pipe 17.
In embodiments of the present invention, described biological filter 3 afterbody arranges upflow tube 14, the water distributing pore diameter of a described time water canal 511 on two time water canals 521 is 3-5 cm, and the housing of a time water canal 511 and two time water canals 521 is made up of the double-layer plastic of interior envelope air.
A specific embodiment of this device is described below:
Apparatus of the present invention process sanitary sewage is adopted in Ouhai District village of Wenzhou City.This village is totally 500 people, and add up to daily output crude sewage amount to be about 40 tons, design discharge is 40 tons.After sewage is collected by pipe network, by the double-wall corrugated water inlet pipe 1 of DN225, be aggregated into the apparatus of the present invention of 30 cm under the lawn, park being embedded in gateway of the village, the carbon steel sheet that apparatus of the present invention filter tank 3 is 20 mm by the thickness of coating rust-inhibiting paint is made, device length, width and height are 10 × 5 × 5 m, the filtration vessel 2 that length, width and height are the strip type band filler of 5 × 0.5 × 4 m is laterally placed every 0.5 m in inside, filtration vessel 2 with filler is that the plastics box monomer of 0.5 × 0.5 × 0.5 of the haydite of 3cm assembles by in-built particle diameter, namely single strip type assembly type filler is formed by stacking by 80 box monomers, plastics box is the cube structure that top is opened wide, it is that the circular hole of 1 cm is for air-and water-permeable that diameter is evenly opened according to 5 cm intervals in bottom surface and four sides.
Placed in the middle directly over the water surface between strip type assembling packing layer, bottom distance means biological filter 3,4.1 m eminences arrange rectangular-shaped secondary tank 522, secondary tank 522 width is 40 cm, be highly 25 cm, length is 5 m, be made up of 2 cm Plate Steels of coating rust-inhibiting paint, transverse direction is placed and both sides are connected on device biological filter 3, and water is filled in secondary tank 521 inside, and two time water canals 521 can be made can to float in secondary tank 522; Higher than cm place, secondary tank 522 top 35 above secondary tank 522 hits exactly, and secondary tank 522 vertical direction is provided with a tank 512, one time tank 512 is made up of 2 cm Plate Steels of coating rust-inhibiting paint, be highly 25 cm, width is 40 cm, long 9.5 m, put down to placement, one time tank is welded on device biological filter 3 by sole.
In a tank 512 and secondary tank 522, be placed with time water canal 511 and two time water canals 521 respectively, two kinds of cloth water channels are the plastic channel of similar T-type structure, bottom and four side seals close, plastic material selects PE plastics, inner clip air, length 9.45 m of one time water canal 511, width is 35 cm, two time water canal 521 length are 4.95 m, width is 35 cm, the height of two kinds of cloth water channels is 20 cm, the T-shaped structure upper structure height of cloth water channel is 5 cm, width is 55 cm, position of opening is in the side medium height position of T-shaped structure upper protuberance both sides.Wherein a time water canal 511 has by 10 cm intervals the water distributing pore that diameter is 3 cm in the side area that two time water canal 521 top position length are 35 cm, the side of two 521, time water canals in packing layer top position has by 10 cm intervals the water distributing pore that diameter is 3 cm, two kinds of cloth water channels are when normally running, can level obtain on the floating water surface in the sink when filling sewage water distribution, and other facilities can not be met in its top.
In rear end, filter tank, water circle device 9 is set, water circle device 9 is controlled by time controller, the water yield of circulation every day is more than 60 tons, 1.5 times/day can be circulated by sewage in assurance device according to design discharge, the sewage that water circle device 9 promotes is squeezed in a time water canal 511 by rising pipe, by the water distribution of a time water canal 511 and two time water canals 521, being evenly distributed to the top of the filtration vessel 2 of band filler, being purified by being with the epontic microorganism of filtration vessel 2 of filler.Power is that the water pump that of 1.5 kW is arranged on rear end, filter tank equally, is controlled by fluid level control device 11.The position of fluid level control device 11 1 m and 4 m bottom distance means arranges two induction installations respectively, when the sewage level in filter tank rises to the high position of 4 m, fluid level control device 11 controls and opens out water pump, sewage in filter tank is squeezed into outlet sump 12, when the sewage level in filter tank drops to 1 m height, fluid level control device 11 controls and closes out water pump.Fluid level control device 11 and go out water pump control under, and deduct filler space, the useful volume in biological filter is 160 m
3, be 4 times of design discharge, and can ensure that the hydraulic detention time of sewage in biological filter reaches more than 3 days.
In addition, at the feed-water end in filter tank, above filter apparatus biological filter 3, arrange diameter and be 30 cm, be the inlet pipe 4 of 50 cm apart from biological filter, filter tank 3 height, inlet pipe is carbon steel material, and outer coating white rust-inhibiting paint, top connects U-shaped elbow.Pull out that wind escape pipe 17 diameter is 50 cm, distance biological filter, filter tank 3 height is 3 m, it is 1 m that filter tank length is goed deep in bottom, adopts carbon steel material, outer coating black anti-rust paint, the stainless steel exhaust fan that air-flow can be utilized to rotate is equipped with at top, for the filler oxygen supply in filter tank.
The employing concrete material of outlet sump 12, length, width and height are 8 × 5 × 2 m, and 41 m are placed in the inside
2the chlorine-evolution electrolysis pole plate of titanium material, electrolytic pole board connects the sun power electroplax 16 of 40 kW, is killed the disease bacterium in water outlet by the effect of chlorine-evolution electrolysis pole plate.In addition, in distance, cm place, outlet sump 12 top 30 is provided with the PVC material rising pipe that diameter is 20 cm, in order to the water outlet after emission treatment, at filter apparatus shell place, the PVC material upflow tube 14 that diameter is 20 cm is set, for going out overflow discharge sewage when the devices such as water pump damage.
The system of above-mentioned use apparatus of the present invention, its water outlet reaches the one-level B emission standard of regulation in " urban wastewater treatment firm pollutant emission standard " (GB18918-2002), ton water running cost is 0.05 yuan/ton, far below general sewage treatment process, and operational management is simple, water outlet germ quantity, all lower than detectability, reaches reuse standard.
Claims (7)
1. the bacteria filter device for sewage disposal, it is characterized in that: the biological filter and the outlet sump that include relative closure, biological filter is provided with water inlet pipe, inlet pipe, pull out wind escape pipe and upflow tube, water-distributing device is provided with in described biological filter, with the filtration vessel of filler, water circle device and discharging device, filtration vessel wherein with filler is at least provided with two, the filtration vessel of each band filler is disposed in biological filter, the water outlet of water-distributing device is arranged facing to being with the filtration vessel of filler, the water of described discharging device enters in outlet sump, described outlet sump is provided with solar power catalytic oxidation sterilizing unit.
2. the bacteria filter device for sewage disposal according to claim 1, it is characterized in that: described water-distributing device is arranged on more than 80% region of biological filter height, water-distributing device includes a water-distributing device and secondary water-distributing device from top to bottom successively, wherein water-distributing device is arranged on the top of secondary water-distributing device, one time water-distributing device is provided with one group, include a time water canal, a tank, secondary water-distributing device is provided with many groups, often organize the interval being arranged on the filtration vessel of each band filler corresponding to secondary water-distributing device, often organize secondary water-distributing device and include two time water canals and secondary tank, wherein secondary tank height is 22-28 cm, width is 40-70 cm, the length of secondary tank is the internal diameter width of biological filter, intermediate water trench bottom and four side seals close and are fixed on the shell of biological filter, the inner water of secondary tank makes in the tank that two time water canals can be floating, secondary tank is by steel plate, concrete or glass steel material are formed, described directly over two tanks 32-37 cm place be provided with a tank, a tank height is 22-28 cm, width is 40-70 cm, the length of a tank is greater than the overall length between the filtration vessel of spaced band filler, a bottom of gullet and four side seals close, and be fixed on filter apparatus shell by devices such as soles, a tank is by steel plate, concrete or glass steel material are formed, secondary tank and a tank are that the different mode of vertical space is arranged, a described time water canal and two time water canals are plastic channel, bottom and four side seals close, both bottom lengths and width are all than the tank length of correspondence and wide little, tank can be put into, chimb is provided with on the upside of one time water canal and two time water canals, chimb protrudes from the both sides of corresponding tank and arranges, chimb all offers water distributing pore, the water distributing pore of one time water canal is arranged facing to two time water canals, the water distributing pore of two time water canals is arranged facing to being with the filtration vessel of filler.
3. according to the bacteria filter device of claim 1 or 2 for sewage disposal, it is characterized in that: described biological filter is by steel plate, concrete or glass steel material are formed, the length of biological filter is greater than 5.0 m, width is greater than 2 m, highly be greater than 1.8 m, filtration vessel in the filtration vessel of described band filler is rectangular-shaped container, its lateral opening hole, the diameter in hole is 0.5-2 cm, perforate is spaced apart 5-8 cm, open wide above container, described filler is the zeolite of 2-5 cm, haydite, plastic filler, gravel, one or more in fragment of brick, the width of the filtration vessel of described each band filler is 50-80 m, be highly the 70%-80% of biological filter height, length is the internal diameter width of biological filter, between the filtration vessel of mutual band filler, spacing distance is 50-80 cm.
4. according to the bacteria filter device of claim 1 or 2 for sewage disposal, it is characterized in that: in biological filter, be also provided with fluid level control device, highly fluid level control device is provided with at 3/4 and 1/4 of the filtration vessel being with filler, the recycle pump of described water circle device makes the sewage bottom biological filter enter into a time water canal, the water pump that goes out of described discharging device is controlled by liquid level induction system, described inlet pipe and pull out wind escape pipe adopt metal material make, both diameters are all at 20 more than cm, the height of inlet pipe more than biological filter is 30-50 cm, be connected with filter tank shell bottom inlet pipe, upper end is inverted U-shaped elbow form, surface coating white rust-inhibiting paint, pulling out the height of wind escape pipe more than filter tank is 2-4 m, surface coating black rust-inhibiting paint, biological filter is goed deep into until 80% place of filter tank height in bottom, pull out the setting of wind escape pipe top and can utilize the air exhausting device pulling out rising warm air or extraneous turned in wind escape pipe.
5. according to the bacteria filter device of claim 3 for sewage disposal, it is characterized in that: in biological filter, be also provided with fluid level control device, highly fluid level control device is provided with at 3/4 and 1/4 of the filtration vessel being with filler, the recycle pump of described water circle device makes the sewage bottom biological filter enter into a time water canal, the water pump that goes out of described discharging device is controlled by liquid level induction system, described inlet pipe and pull out wind escape pipe adopt metal material make, both diameters are all at 20 more than cm, the height of inlet pipe more than biological filter is 30-50 cm, be connected with filter tank shell bottom inlet pipe, upper end is inverted U-shaped elbow form, surface coating white rust-inhibiting paint, pulling out the height of wind escape pipe more than filter tank is 2-4 m, surface coating black rust-inhibiting paint, biological filter is goed deep into until 80% place of filter tank height in bottom, pull out the setting of wind escape pipe top and can utilize the air exhausting device pulling out rising warm air or extraneous turned in wind escape pipe.
6. according to the bacteria filter device of claim 3 for sewage disposal, it is characterized in that: described biological filter afterbody arranges upflow tube, the water distributing pore diameter of a described time water canal on two time water canals is 3-5 cm, and the housing of a time water canal and two time water canals is made up of the double-layer plastic of interior envelope air.
7. according to the bacteria filter device of claim 4 for sewage disposal, it is characterized in that: described biological filter afterbody arranges upflow tube, the water distributing pore diameter of a described time water canal on two time water canals is 3-5 cm, and the housing of a time water canal and two time water canals is made up of the double-layer plastic of interior envelope air.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033580A (en) * | 2018-01-23 | 2018-05-15 | 南京大学 | A kind of modularization rural household's life decentralized wastewater treatment equipment and application method |
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| CN104891658B (en) | 2017-07-18 |
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