CN2632073Y - Duoble-bed ceramic particle biological filtering pool - Google Patents
Duoble-bed ceramic particle biological filtering pool Download PDFInfo
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- CN2632073Y CN2632073Y CN 03266129 CN03266129U CN2632073Y CN 2632073 Y CN2632073 Y CN 2632073Y CN 03266129 CN03266129 CN 03266129 CN 03266129 U CN03266129 U CN 03266129U CN 2632073 Y CN2632073 Y CN 2632073Y
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Abstract
The utility model relates to a dual-bed haydite biologic filter and belongs to technical field of water treatment. The biologic filter comprises a first filer bed and a second bed; a water-collecting region is respectively provided in the lower part of the two filter beds, haydite filling regions are provided in the middle part thereof, a filter board is equipped between the water-collecting region in the lower part and the haydite filling region in the middle part, a filter head is arranged on the filter board, a raw water inlet pipe is communicated with the water-collecting region of the first filter bed, a backwash water inlet pipe and a compressed air entrance are respectively communicated with the water-collecting region, a treated water outlet is communicated with the water-collecting region of the second filter bed; the upper part of the two filter beds are communicated with each other and a clapboard is equipped therebetween, the clapboard has a backwash water discharge tank in the upper end part of the clapboard, the backwash water discharge leads outward. The biologic filter has the advantages of small floor area, saved capital construction investment, good treated water quality with meeting standards for non-drinking water, denitrification and phosphorus removal functions, low power consumption and running expense, resistance to impact, load and low temperature, easy film formation and quick start.
Description
Technical field the utility model relates to a kind of double-bed typed bio-ceramic filter, belongs to water-treatment technology field.
The background technology BAF is the sophisticated relatively water treating equipment of a kind of technology, just begins the someone from the twentieth century initial stage and studies, and uses more extensive in states such as Europe, North America and Japan.Hundreds of seat BAF system is arranged all over the world at present, wherein, the municipal sewage treatment facility of Canada's 41 ten thousand stere/days under construction, France and Germany build up the BAF system of 24 ten thousand stere/days and 31 ten thousand stere/days respectively.The structure of ordinary biofilter as shown in Figure 1 in the prior art, among Fig. 1, the 1st, backwash water inlet, the 2nd, pressurized air, the 3rd, original water inlet, the 4th, collection (joining) hydroecium, the 5th, special-purpose filter, the 6th, the packing area, the 7th at middle part, the buffer zone on top, the 8th, backwash drainage tray, the 9th, backwash water shoot, the 12nd, filter plate, the 14th, handle the back water outlet.The shortcoming of this biological filter is: (1) single pond body, and reaction conditions is single, and effluent quality and processing efficiency can not be taken into account.(2) if connect in the two poles of the earth, then head loss is big, waste elevation, cost height.(3) object height that suspends in the final outflow water if effluent reuse also needs to proceed filtration treatment, thereby has increased investment and floor space.
The summary of the invention the purpose of this utility model is a kind of double-bed typed bio-ceramic filter of design, improves the structure of existing biological filter, to reduce cost, saves equipment cost, reduces energy consumption, improves filtration efficiency.
The double-bed typed bio-ceramic filter of the utility model design comprises first filter bed and second filter bed; The bottom of first filter bed and second filter bed respectively is the catchment area, the middle part is the ceramics filling district, be provided with filter plate between catchment area, bottom and the middle part ceramics filling district, filter is housed on the filter plate, be provided with " rich " font perforated pipe between the packing area of second filter bed and the filter, perforated pipe is provided with solarization air cap, perforated pipe is connected with compressed air inlet, former water water inlet pipe is connected with the catchment area of first filter bed, backwash water inlet pipe and compressed air inlet are connected with the catchment area of first filter bed and the second filter bed bottom respectively, handle the back water outlet and are connected with the catchment area of second filter bed; The top of first filter bed and second filter bed interconnects, between be provided with dividing plate, the upper end of dividing plate is the backwash drainage tray, the backwash drainage tray leads to outside the pond.
The double-bed typed bio-ceramic filter of the utility model design has following characteristics:
1, floor space is little, and initial cost is economized: do not need second pond; The biological density height, biological activity is good, and hydraulic load and volumetric loading are much higher than traditional waste water treatment process, and hydraulic detention time is short especially.By the same token and the automatically generally employing of control, in the construction investment of two bed type biological filter, the large percentage that cost of equipment is shared, and the civil engineering costs proportion is less.
2, effluent quality is good: adopt " one-level processing+anoxic two bed type biological filter " technical process, effluent quality reaches and is better than the secondary treatment yielding water standard, can reach the reclaimed water standard, and can possess the denitrogenation dephosphorizing function.
3, power consumption is little, running expense is low: the mass-transfer efficiency height, and the utilization ratio of oxygen can reach 30%, and aeration rate is well below the other biological facture.
4, anti-shock loading, low temperature resistant: the two bed type biological filter can be moved under the duple short-term load of normal load, and the effluent quality variation is very little; In case biofilm success can be respond well being low to moderate operation under 12 ℃ the water temperature.
5, biofilm is easy, startup is fast: the two bed type biological filter is used for municipal sewage treatment, and under 10～15 ℃ water temperature condition, 2～3 weeks can be finished the biofilm process; Stop the aeration two weeks, put into operation again and can recover the normal handling effect about three days.
6, reliable, simple and convenient management: because microorganism can not run off, make its running status very stable, and manage also easy, easy.Seashore tourism city in France is forced to close in non-travelling season sewage treatment facility, and when the coming year, the visitor arrived, its facility can recover normal operation in several days.In addition, there is not the sludge bulking problem in the two bed type biological filter, does not need returned sluge yet.System general the employing automatically in two bed type biological filter controlled, and need not manual operation.
7, modular design, construction is simple, is convenient to enlarging.
Description of drawings
Fig. 1 is the structural representation of common BAF in the prior art.
Fig. 2 is the structural representation of the double-bed typed bio-ceramic filter of the utility model design.
Fig. 3 and Fig. 4 are respectively the backwash view of double-bed typed bio-ceramic filter.
Among Fig. 1～Fig. 4, the 1st, backwash water inlet pipe, the 2nd, compressed air inlet, the 3rd, original water inlet, the 4th, collecting chamber, the 5th, filter, 6 is first filter beds, be provided with filler in the filter bed, the 7th, the buffer zone on filter bed top, the 8th, backwash drainage tray, the 9th, the backwash water shoot, 10 is second filter beds, the 11st, and " rich " font perforated pipe, the 12nd, filter plate, the 13rd, dividing plate, the 14th, handle the back water outlet.
Embodiment
The double-bed typed bio-ceramic filter of the utility model design, its structure comprises first filter bed 6 and second filter bed 10 as shown in Figure 2; The bottom of first filter bed 6 and second filter bed 10 respectively is the catchment area, the middle part is the ceramics filling district, be provided with filter plate 12 between catchment area, bottom and the middle part ceramics filling district, filter 5 is housed on the filter plate, be provided with " rich " font perforated pipe 11 between the packing area of second filter bed and the filter, perforated pipe is provided with solarization air cap, perforated pipe is connected with compressed air inlet, former water water inlet pipe 3 is connected with the catchment area, bottom of first filter bed 6, backwash water inlet pipe 1 and compressed air inlet 2 are connected with the catchment area 4 of first filter bed 6 and second filter bed, 10 bottoms respectively, handle back water outlet 14 and are connected with the catchment area of second filter bed 10; The top of first filter bed 6 and second filter bed 10 interconnects, between be provided with dividing plate 13, the upper end of dividing plate 13 is a backwash drainage tray 8, the backwash drainage tray leads to outside the pond by backwash water shoot 9.
The double-bed typed bio-ceramic filter of the utility model design, every lattice filter tank is made up of the collecting chamber 4 of bottom, the packing area at middle part, the buffer zone 7 on top.There is filter plate 12 to be separated by between the collecting chamber 4 of bottom and the packing area 6, filter 5 is installed on the filter plate.The effect of filter plate and filter is the filler that supports packing layer, and is communicated with packing area and collecting chamber, make water to arrive collecting chamber from collecting chamber 4 arrival packing areas or from the packing area by filter 5, and pressurized air also can enter the packing area by filter.The packing area is filled with the granular filler of 3～6 millimeters of particle diameters, and particle grain size is greater than the slit of filter, thereby can not fall into collecting chamber.Granular filler can be porous material such as haydite, the zeolite etc. that are sunken under water, and effect is that the habitat of growth and breeding is provided for microorganism, and avoids being taken away by current.The drainage tray 8 that draining was used when buffer zone top was provided with back flushing, drainage tray 8 leads to the pond external body by backwash water shoot 9.The effect of buffer zone is that the flushing for filler provides filler bulk required space, gets rid of the sewage of flushing filler and avoids filler particles to lose with current during the function of drainage tray.
The double-bed typed bio-ceramic filter of the utility model design, when in running order, former water and pressurized air enter the collecting chamber 4 of first filter bed by original water inlet 3 and compressed air inlet 2, the former water that has certain pressure, to be treatment sewage from the port of filter 5 rise enters the packing area, air then the circular hole from the filter tube wall to enter filter inner and rise with current and to enter the packing area.Empty G﹠W is fully contact in the packing area, and airborne oxygen dissolves in the water, utilizes for the microorganism on the filler.Under the metabolism of microorganism, pollutents such as the organism in the sewage, ammonia nitrogen obtain removing.The water through biopurification that comes out from the packing area enters second filter bed through buffer zone, and from top to down passes buffer zone, packing area, enters the collecting chamber 4 of bottom then by filter 5, draws outside the pond by handling back rising pipe 14.In working order down, the aeration of second filter bed (oxygen supply) is realized by " rich " font perforated pipe 11, pressurized air enters perforated pipe 11 by connecting tube by compressed air inlet 2, eyelet from the perforated pipe is dispersed in the bottom, packing area then, thereby avoids the G﹠W that causes because of the filter gas distribution inverse motion in filter inside.
The double-bed typed bio-ceramic filter of the utility model design, wherein the shared pool wall of first filter bed and second filter bed is that the upper end of dividing plate 13 is backwash drainage trays 8, when work in the filter tank, drainage tray is submerged in below the water surface, as shown in Figure 2, thereby first filter bed and second filter bed are communicated with at the top, and water can flow into second filter bed by first filter bed.The collecting chamber of second filter bed has backwash water inlet pipe and inlet pipe to be in communication with the outside, the rising pipe after backwash water inlet pipe double as is handled.
When needs cleaned first filter bed, clear water entered the catchment area 4 of first filter bed from backwash water inlet pipe 1, and the packing area of first filter bed is washed, backwash water enters backwash drainage tray 8, discharge outside the pond through backwash water shoot 9, as shown in Figure 3, this moment, the water surface of second filter bed hanged down and backwash draining notch.
When needs cleaned second filter bed, clear water entered the catchment area 4 of second filter bed from backwash water inlet pipe 1, and the packing area of second filter bed is washed, backwash water enters backwash drainage tray 8, discharge outside the pond through backwash water shoot 9, as shown in Figure 4, this moment, the water surface of first filter bed hanged down and backwash draining notch.
Any saprobia purification techniques all is the artificial-strengthening of natural process, the two bed type biological filter of the utility model design provides efficient and simple advanced purification technology, integrate efficient mass transfer, biochemical reaction, biofloculation, filtering technique, improve the biomass of unit volume by the huge specific surface area of small-particle porous support, and, greatly improved the capacity utilization and the treatment effect of reactor by back flushing regular update and recovery biological activity.This device combines with following upward flow to stream, process is down to stream again through upward flow earlier for sewage and air homophase, and effluent quality is good like this, compares the capacity minimizing 50% of COD, SS, backwashing pump with other BAF.
Claims (1)
1, a kind of double-bed typed bio-ceramic filter is characterized in that this biological filter comprises first filter bed and second filter bed; The bottom of first filter bed and second filter bed respectively is the catchment area, the middle part is the ceramics filling district, be provided with filter plate between catchment area, bottom and the middle part ceramics filling district, filter is housed on the filter plate, be provided with " rich " font perforated pipe between the packing area of second filter bed and the filter, perforated pipe is provided with solarization air cap, perforated pipe is connected with compressed air inlet, former water water inlet pipe is connected with the catchment area of first filter bed, backwash water inlet pipe and compressed air inlet are connected with the catchment area of first filter bed and the second filter bed bottom respectively, handle the back water outlet and are connected with the catchment area of second filter bed; The top of first filter bed and second filter bed interconnects, between be provided with dividing plate, the upper end of dividing plate is the backwash drainage tray, the backwash drainage tray leads to outside the pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266129 CN2632073Y (en) | 2003-06-27 | 2003-06-27 | Duoble-bed ceramic particle biological filtering pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266129 CN2632073Y (en) | 2003-06-27 | 2003-06-27 | Duoble-bed ceramic particle biological filtering pool |
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| Publication Number | Publication Date |
|---|---|
| CN2632073Y true CN2632073Y (en) | 2004-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03266129 Expired - Fee Related CN2632073Y (en) | 2003-06-27 | 2003-06-27 | Duoble-bed ceramic particle biological filtering pool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465107C (en) * | 2007-03-30 | 2009-03-04 | 南京大学 | Aeration bio filter in U shaped flow |
| CN101870539A (en) * | 2009-04-24 | 2010-10-27 | 得利满水处理系统(北京)有限公司 | Aeration biological filter for sewage purification |
| CN101514047B (en) * | 2008-02-21 | 2012-09-05 | 北京科净源科技股份有限公司 | Compound biological membrane sewage treatment process and system |
| CN105036332A (en) * | 2015-07-10 | 2015-11-11 | 南京大学 | Alternating internal-recycle biological filter sewage treatment device and method using same |
| CN105399206A (en) * | 2015-12-29 | 2016-03-16 | 中电环保股份有限公司 | Combined biological filter tank unit |
| CN113830966A (en) * | 2021-09-03 | 2021-12-24 | 北京碧水源净水工程技术股份有限公司 | Dispersed point source sewage treatment system |
-
2003
- 2003-06-27 CN CN 03266129 patent/CN2632073Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465107C (en) * | 2007-03-30 | 2009-03-04 | 南京大学 | Aeration bio filter in U shaped flow |
| CN101514047B (en) * | 2008-02-21 | 2012-09-05 | 北京科净源科技股份有限公司 | Compound biological membrane sewage treatment process and system |
| CN101870539A (en) * | 2009-04-24 | 2010-10-27 | 得利满水处理系统(北京)有限公司 | Aeration biological filter for sewage purification |
| CN105036332A (en) * | 2015-07-10 | 2015-11-11 | 南京大学 | Alternating internal-recycle biological filter sewage treatment device and method using same |
| CN105399206A (en) * | 2015-12-29 | 2016-03-16 | 中电环保股份有限公司 | Combined biological filter tank unit |
| CN113830966A (en) * | 2021-09-03 | 2021-12-24 | 北京碧水源净水工程技术股份有限公司 | Dispersed point source sewage treatment system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |