CN102276104B - Multi-layer different-end-water-discharging aeration biological filter tank waste water treatment integrated equipment - Google Patents
Multi-layer different-end-water-discharging aeration biological filter tank waste water treatment integrated equipment Download PDFInfo
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- CN102276104B CN102276104B CN201110127669A CN201110127669A CN102276104B CN 102276104 B CN102276104 B CN 102276104B CN 201110127669 A CN201110127669 A CN 201110127669A CN 201110127669 A CN201110127669 A CN 201110127669A CN 102276104 B CN102276104 B CN 102276104B
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Abstract
The invention belongs to the technical field of waste water treatment and particularly relates to aeration biological filter tank waste water treatment integrated equipment. The multi-layer different-end-water-discharging aeration biological filter tank waste water treatment integrated equipment is characterized by comprising a two-stage filtering device, a water distribution water tank, a multi-layer different-end-water-discharging aeration biological filter tank waste water treatment system and a bracket, wherein the two-stage filtering device, the water distribution water tank and the multi-layer different-end-water-discharging aeration biological filter tank waste water treatment system are fixed on the bracket respectively, the water distribution water tank is positioned above the multi-layer different-end-water-discharging aeration biological filter tank waste water treatment system, and the e two-stage filtering device is positioned above the water distribution water tank; and the multi-layer different-end-water-discharging aeration biological filter tank waste water treatment system at least comprises a group of multi-layer different-end-water-discharging aeration biological filter tank waste water treatment units, each of which comprises at least comprises 3 different-end-water-discharging aeration biological filter tanks with water feeding from different ends and water discharging from different ends. The equipment has characteristics of low operation cost and simple structure.
Description
Technical field
The invention belongs to technical field of sewage treatment equipment, be specifically related to a kind of aeration and biological filter pocket sewage disposal device.
Background technology
BAF is the biological treatment that is combined with filtration by the immersion catalytic oxidation.It is a kind of novel high loading submerged phase reactor, has the advantage of activated sludge process and biomembrance process concurrently, and biochemical reaction and two kinds of treating processess of adsorption filtration are incorporated in the same structures accomplish.
1) BAF typical process flow and principle of work
BAF is applied in the city sewage treatment works, can save secondary sedimentation basins, removes the carbonaceous organic material typical process flow and sees Figure 11.
Sewage gets into BAF through sand setting, first heavy back, under the condition that dissolved oxygen exists, utilizes the pollution substance in the microbial film degradation of sewage in the filter tank.The filter tank treating water gets into sterilization pool, through the discharging of sterilization back.
Along with the carrying out of treating processes, filling surface is more and more with the inner new living weight that produces, and the suspended matter of holding back constantly increases; Increase slowly in the initial stage head loss,, stop up the upper surface of filtering layer when the solid matter accumulation acquires a certain degree; And stop the release of bubble, will cause head loss to reach capacity very soon, should get into back flushing regeneration this moment immediately; To remove excessive microbial film and other suspended substances in the filter bed, recover processing power.Back flushing adopts air-water to unite recoil usually, promptly earlier uses bubble, unites flushing with gas, water again, uses water rinse at last again.Backwashing water is water up to standard (from sterilization pool) after treatment, and the recoil air comes from the independent recoil tracheae in bottom.Filtering layer has slight expansion during back flushing; At air-water between the fluid scouring of filler and filler mutually under the mutual friction; The aged microbial film separates with filler with other suspended substances that are trapped, and mutually under the mutual friction, the aged microbial film separates with filler with other suspended substances that are trapped between the fluid scouring that washes and filler; The microbial film that washes and other suspended substances are rushed out the filter tank in backwash, back flushing mud is back to preliminary sedimentation tank.
Because the crown_interception of filter membrane and other suspended substances that comes off has been played in the filter tank, so does not establish second pond behind the BAF.BAF has flow lifting type and falls two kinds of streamings according to the direction of water inlet.Although it is multiple that biological aerated filter process type and operating method have, differ from one another, its ultimate principle is consistent.Utilize in the filter tank on the filler microbiological oxidation Decomposition in the appended microbial film exactly, filler and biomembranous absorption crown_interception and carry out work along food chain classification predation and the inner microenvironment of microbial film that water (flow) direction forms.
BAF according to the degree of treatment difference can branch one-level carbonization (promptly removing carbonaceous organic material) BAF, two sections nitrating aeration biological filters and three sections (denitrification, dephosphorization) BAFs.One section BAF is main with carbonization; Two sections BAFs mainly carry out nitrated to the ammonia nitrogen in the sewage; Three-segment aerating biological filter is mainly denitrification for Removing Nitrogen, can in second section filter tank water outlet, add carbon source (when carbon source is not enough in the sewage) and molysite or aluminium salt simultaneously and carry out denitrification nitrogen and phosphorus removal.
2) structure of BAF
BAF mainly is made up of several parts such as pond, filter tank body, filtrate, supporting layer, water distribution system, gas distribution system, back-purge systems.
Summary of the invention
The object of the present invention is to provide a kind of multilayer heterodoxy aeration and biological filter pocket WWT integration apparatus that falls into water, this equipment has low, the characteristic of simple structure of running cost.
To achieve these goals; The technical scheme that the present invention taked is: the multilayer heterodoxy aeration and biological filter pocket WWT integration apparatus that falls into water; It is characterized in that it comprises two sections filtration units, water distribution tank, the drowning aeration and biological filter pocket Sewage treatment systems of multilayer heterodoxy and support; Two sections filtration units, water distribution tank, multilayer heterodoxies are fallen into water on the aeration and biological filter pocket Sewage treatment systems difference fixed support; The water distribution tank is positioned at the top of the drowning aeration and biological filter pocket Sewage treatment systems of multilayer heterodoxy, and two sections filtration units are positioned at the top of water distribution tank; First section filter pocket of two sections filtration units, the bottom of second section filter pocket are equipped with filter opening, and the side of water distribution tank is provided with water distributing pore;
The drowning aeration and biological filter pocket Sewage treatment systems of multilayer heterodoxy comprises the drowning aeration and biological filter pocket WWT group of one group of multilayer heterodoxy at least; The drowning aeration and biological filter pocket WWT group of described multilayer heterodoxy comprises the drowning aeration and biological filter pocket of 3 heterodoxies at least; All heterodoxies of same group are fallen into water the aeration and biological filter pocket along same vertical line layout; The drowning aeration and biological filter pocket of all heterodoxies is separately fixed on the support; The drowning aeration and biological filter pocket of heterodoxy is provided with drain gully, and the drain gully place is provided with liquid level location, oxygenating and aerating unit, and the drowning aeration and biological filter pocket of adjacent heterodoxy is that heterodoxy water inlet and heterodoxy are fallen into water; The drowning aeration and biological filter pocket of described heterodoxy is filled with biologic packing material (being biofilter material), and the middle part of the drowning aeration and biological filter pocket of heterodoxy is provided with flow deflector, leaves the gap between the bottom in the drowning aeration and biological filter pocket of the lower end of flow deflector and heterodoxy; The water distribution tank of the top of the feed-water end of the drowning aeration and biological filter pocket of heterodoxy of the top of the drowning aeration and biological filter pocket WWT group of each group multilayer heterodoxy is provided with water distributing pore; Each group multilayer heterodoxy fall into water drain gully of aeration and biological filter pocket of the heterodoxy of below of aeration and biological filter pocket WWT group that falls into water is connected with outfall sewer by rising pipe.
Described liquid level location, oxygenating and aerating unit comprise liquid level positioning tube, semicircle tank, water conservancy diversion and disturbance plate, fixing leakproof pin; Be welded with the leakproof fixing feet on the bottom outer wall of liquid level positioning tube; Insert in the drain gully on the drowning aeration and biological filter pocket of heterodoxy the lower end of liquid level positioning tube, and the leakproof fixing feet is fixedly connected by waterproof glue and the drowning aeration and biological filter pocket of heterodoxy; The top of liquid level positioning tube has drain gully; Top in the liquid level positioning tube is fixed with water conservancy diversion and disturbance plate; Water conservancy diversion becomes heeling condition with disturbance plate, and the upper end of water conservancy diversion and disturbance plate is positioned at the below of drain gully, and the top in the liquid level positioning tube is fixed with semicircle tank; Water conservancy diversion and disturbance plate are positioned at semicircle tank, and the bottom of semicircle tank is provided with water falling hole.
Said two sections filtration units comprise first section filter pocket, filtrate, transition ditch, liquid level sensor, second section filter pocket; Be connected by the transition ditch between first section filter pocket and the second section filter pocket; Transition is provided with liquid level sensor in the ditch, and the signal output part of liquid level sensor is linked to each other with the signal input part of liquid level alarm device by SW; First section filter pocket is provided with first riser near a lateral top in transition ditch, and the height of the upper end of second section filter pocket is lower than the height of first riser; The bottom of first section filter pocket, second section filter pocket is equipped with filter opening, all is filled with filtrate in first section filter pocket, second section filter pocket.
The principle of work of the drowning aeration and biological filter pocket WWT integration apparatus of multilayer heterodoxy:
The drowning aeration and biological filter pocket WWT integration apparatus of multilayer heterodoxy is the modified version in common aeration and biological pond; Have the wastewater treatment efficiency identical with ordinary biofilter; What they were different is through improvement, has reduced back-purge system and mechanical aeration system, and this device fabrication is installed simple; Operation and Maintenance is convenient; Direct operating cost is lower, and the priming cost of WWT per ton is merely about 0.05 yuan (confirming according to local electricity price), is to make full use of the oxygenic aeration that water column injects water naturally to carry out the microbial film processing to the guiding theory of this equipment research.Generally, it is dark more that water column is squeezed into water body, brings abundant more that bubble in the water contacts with water body into, and the oxygen that is dissolved in the water is many more.Find through test of many times: the big or small relation of the degree of depth that water column is squeezed into water body and two liquid level drops is little; And much relations (diameter of water falling hole is 4-8mm) are arranged with the thickness size of water column; Therefore, within a certain height, it is feasible adopting the drowning aeration of multilayer.
The mode that in the multilayer heterodoxy is fallen into water the drowning process of aeration and biological filter pocket WWT group, adopts heterodoxy to fall into water can make the sewage that is filled with certain dissolved oxygen through one section biofilter material (porous ceramic grain, hard coal, silica sand, heaving shales, light plastic etc.), plays the sewage purification effect same with BAF.
In the multilayer heterodoxy of each layer is fallen into water the aeration and biological filter pocket; Be near the sewage aerobic bacterium rich of the drowning aerating apparatus oxygenation in upper strata; The interlude oxygen bacterium rich of holding concurrently; Anerobes can appear in afterbody, and sewage is through degraded under repeatedly aerobic, the oxygen of holding concurrently, the anaerobic environment condition alternating action and purify fully like this.
Characteristics of the present invention are following:
(1) two section filtration unit and suitable aeration mode have been removed the setting of back-purge system from,
Suspended substance is the formidable enemy of BAF, and handle the bad obstruction that is easy to cause the biological filter early stage, and two sections filtration units have solved this problem effectively.Its principle is that sewage gets into first section filter pocket filtration, and after for some time, suspended substance can stop up the filtrate hole; Make first section filter pocket forfeiture filtering function, sewage promptly can diffuse out first section filter pocket, gets into the middle transitional ditch; Liquid level sensor is communicated with liquid level alarm device reports to the police, and sewage continues to diffuse in second section filter pocket, and bear filteration by second section filter pocket this moment; Second section filter pocket has identical size dimension and structure with first section filter pocket; Sewage to same traffic has the identical replacing time, warning device has been arranged after, first section filter pocket forfeiture partial function can directly not brought suspended substance into yet and stop up biologic packing material in the equipment.Operator after hearing warning change the filtrate in first section filter pocket, the filtration of a beginning new round.Heterodoxy fall into water in the aeration and biological filter pocket biologic packing material (being biofilter material) except that the suspended substance in the sewage is risen hold back with filteration, the topmost membrane interaction of still hanging.Two sections filtration units are tackled the suspended substance of easy blocking biofilter material in advance and are filtered, so this device has effectively been alleviated the disadvantage that biofilter material stops up.See Fig. 2.
Secondly; Liquid level location, oxygenating and aerating unit are effective not as mechanical aeration aspect oxygenic aeration; This is the shortcoming of this device, also is the advantage of this device, exactly because the oxygenic aeration of this device is sufficient not as mechanical aeration; Just effectively suppressed the excessively rapid growth of aerobic film in the biologic packing material; Therefore the situation that in filtrate, also seldom having the aging aerobic biologic membrane that comes off to stop up filtrate takes place, and aseptic in this equipment in this case mainly is the oxygen bacterium of holding concurrently, and does not design the reason of back-purge system in Here it is this equipment.
(2) liquid level location, oxygenating and aerating unit have solved the problem of three aspects,
The one, solve the localized problem of liquid level: the liquid level location is meant to fall into water each heterodoxy no matter the aeration and biological filter pocket intakes, how the water outlet water yield changes and can both makes liquid level remain on certain height, can satisfy the requirement that sewage and biologic packing material fully contact like this.Learn through test; If just fall into water in the fall into water bottom opening of an end of aeration and biological filter pocket of microscler heterodoxy; A lot of problems can occur, the too big sewage that hold in the hole can all flow away through hole, and sewage can not fully contact with the biologic packing material in the drowning aeration and biological filter pocket of microscler heterodoxy; It is too small that open in the hole, and unnecessary sewage is spill everywhere, bad control.Liquid level location, oxygenating and aerating unit have solved this problem effectively.
The 2nd, solve the not abundant problem of bubble in the oxygenation process: experiment is found; The immobilized sewage bubble that in lower floor's heterodoxy is fallen into water the aeration and biological filter pocket, produces that falls into water is considerably less, but after liquid level receives disturbance, and the oxygenation bubble that lower floor's heterodoxy is fallen into water in the aeration and biological filter pocket is very abundant; Therefore; When design liquid level location, oxygenating and aerating unit, adopted the mode of falling into water for twice, the water generates disturbance in drowning for the first time double circular channels; Fall into water the second time and will bring in the drowning aeration and biological filter pocket of heterodoxy the abundant bubble of water body generation in the drowning aeration and biological filter pocket of lower floor's heterodoxy.
The 3rd, solve not have press sewage to flow into aperture after, do not produce the problem that water joins phenomenon overleaf: find through experiment, do not have the water of water level pressure reduction to flow through a plurality of apertures after; Can be unified into several strands of current overleaf, water occur and join phenomenon, can not form stable water column; Had a strong impact on oxidation effect; Semicircle tank can make the water of certain flow maintain certain liquid level, forms certain hydraulic pressure, and effective like this having prevented produces in the water couplet phenomenon at the water falling hole back side.Liquid level location, oxygenating and aerating unit are seen Fig. 7-10.
(3) the drowning technology of multilayer heterodoxy,
Find through test of many times: it is little with two liquid level drops relation that water column is squeezed into the degree of depth of water body, and with the thickness size of water column much relations are arranged, and therefore, within a certain height, it is feasible adopting the drowning aeration of multilayer.
In the multilayer heterodoxy is fallen into water aeration and biological filter pocket WWT integration apparatus, adopt the method for many groups of associatings, so both can be different sewage treatment capacity flexible transformation instrument size, also overcome " dead angle " phenomenon in many biomembrance process.This equipment adopts multilayer to organize the drowning aeration and biological filter pocket of heterodoxy of the elongated of certain size more; Can make every sewage along with the direction of current flow all can through oxygenic aeration repeatedly with repeatedly fully contact thereby make sewage obtain degraded and purification with biomembranous; So this equipment can reach the wastewater treatment efficiency equal with BAF under the situation that does not adopt mechanical aeration.
The mode that in the multiwalled heterodoxy is fallen into water the drowning process of aeration and biological filter pocket, adopts heterodoxy to fall into water can make the sewage that is filled with certain dissolved oxygen in each heterodoxy is fallen into water the aeration and biological filter pocket, all can pass through the biofilter material layer (porous ceramic grain, hard coal, silica sand, heaving shales or light plastic etc.) of certain-length; Therefore; This equipment has purification function identical with BAF and effect to the processing of sewage, and this also is and the drowning the most different parts of oxygenating and aerating unit of other multilayer.The drowning technology of multilayer heterodoxy is seen Fig. 6-7.
The invention has the beneficial effects as follows: reduced back-purge system and mechanical aeration system, this device fabrication is installed simple, and Operation and Maintenance is convenient, and direct operating cost is lower, and the priming cost of WWT per ton is merely about 0.05 yuan.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of two sections filtration units of the present invention.
Fig. 3 is the structural representation of the drowning aeration and biological filter pocket Sewage treatment systems of multilayer heterodoxy of the present invention.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the left view of Fig. 3.
Fig. 6 is the drowning synoptic diagram of the heterodoxy of the drowning aeration and biological filter pocket WWT group of multilayer heterodoxy of the present invention.
Fig. 7 is the structural representation of the drowning aeration and biological filter pocket of heterodoxy of the present invention.
Fig. 8 is the structural representation of liquid level of the present invention location, oxygenating and aerating unit.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the right view of Fig. 8.
Figure 11 is existing BAF typical process flow figure.
Among Fig. 1-10: 1-water pump, 2-water pipe, two sections filtration units of 3-, 4-water distribution tank, the 5-multilayer heterodoxy aeration and biological filter pocket Sewage treatment systems of falling into water; The 6-support, first section filter pocket of 7-, 8-filtrate, 9-filter opening, 10-first riser; 11-transition ditch, 12-liquid level sensor, second section filter pocket of 13-, the 14-multilayer heterodoxy aeration and biological filter pocket WWT group of falling into water, 15-rising pipe; 16-outfall sewer, the 17-heterodoxy aeration and biological filter pocket that falls into water, 18-liquid level location, oxygenating and aerating unit, 19-flow deflector, 20-biologic packing material (being biofilter material); 21-liquid level positioning tube, the semicircle tank of 22-, 23-water conservancy diversion and disturbance plate, 24-drain gully; 25-leakproof fixing feet, 26-water distributing pore, 27-water falling hole, 28-second riser.
Embodiment
As shown in Figure 1; The multilayer heterodoxy aeration and biological filter pocket WWT integration apparatus that falls into water; It comprises two sections filtration units 3, water distribution tank 4, the drowning aeration and biological filter pocket Sewage treatment systems 5 of multilayer heterodoxy and support 6; Two sections filtration units 3, water distribution tank 4, multilayer heterodoxies are fallen into water on the aeration and biological filter pocket Sewage treatment systems 5 difference fixed supports 6; Water distribution tank 4 is positioned at the top of the drowning aeration and biological filter pocket Sewage treatment systems 5 of multilayer heterodoxy, and two sections filtration units 3 are positioned at the top of water distribution tank 4; The bottom of first section filter pocket 7 of two sections filtration units 3, second section filter pocket 13 is equipped with filter opening 9, and the side of water distribution tank 4 is provided with water distributing pore 26 (water distributing pore is a trilateral);
Like Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7; The drowning aeration and biological filter pocket Sewage treatment systems 5 of multilayer heterodoxy comprises the drowning aeration and biological filter pocket WWT group 14 of one group of multilayer heterodoxy at least and (generally adopts the 1-100 group; Concrete group is several to be confirmed according to the sewage load size; Adopt 12 groups in the present embodiment); The described multilayer heterodoxy aeration and biological filter pocket WWT group of falling into water comprises 3 heterodoxies aeration and biological filter pocket 17 (generally adopt 3-100 the heterodoxy aeration and biological filter pocket that falls into water, concrete number is definite as required, and employing is 15 in the present embodiment) that falls into water at least; All heterodoxies of same group are fallen into water the same vertical line layout in aeration and biological filter pocket 17 edges (perpendicular to the line on ground; Being upper-lower position arranges), the drowning aeration and biological filter pocket 17 of all heterodoxies is separately fixed on the support 6, and the drowning aeration and biological filter pocket 17 of heterodoxy is provided with drain gully; The drain gully place is provided with liquid level location, oxygenating and aerating unit 18 (liquid level location, oxygenating and aerating unit 18 are fixed with the drowning aeration and biological filter pocket 17 of heterodoxy); The drowning aeration and biological filter pocket 17 of adjacent heterodoxy is heterodoxy water inlet and heterodoxy drowning (last layer like this layer is left end water inlet, right-hand member water outlet, and then this layer is right-hand member water inlet, left end water outlet, and is as shown in Figure 6); The drowning aeration and biological filter pocket 17 of described heterodoxy is filled with biologic packing material (being biofilter material) 20, and the middle part of the drowning aeration and biological filter pocket 17 of heterodoxy is provided with flow deflector 19, leaves the gap between the bottom in the drowning aeration and biological filter pocket 17 of the lower end of flow deflector 19 and heterodoxy; Each group multilayer heterodoxy fall into water water distribution tank 4 of top of feed-water end of aeration and biological filter pocket 17 of the heterodoxy of the top of aeration and biological filter pocket WWT group 14 that falls into water is provided with water distributing pore 26 (water in the water distribution tank 4 falls into each group multilayer heterodoxy fall into water feed-water end of aeration and biological filter pocket 17 of heterodoxy of the top of aeration and biological filter pocket WWT group 14 that falls into water from water distributing pore 26); Each group multilayer heterodoxy fall into water drain gully of aeration and biological filter pocket 17 of the heterodoxy of below of aeration and biological filter pocket WWT group 14 that falls into water is connected with outfall sewer 16 by rising pipe 15.
The output terminal of water pipe 2 is positioned at the top of first section filter pocket 7 of two sections filtration units 3, and water pipe 2 is provided with water pump 1, the sewage that the input terminus reception of water pipe 2 is handled (sewage after deposition, adjusting).
Like Fig. 7, Fig. 8, Fig. 9, shown in Figure 10; Described liquid level location, oxygenating and aerating unit 18 comprise liquid level positioning tube 21, semicircle tank 22, water conservancy diversion and disturbance plate 23, fixing leakproof pin 25; Be welded with leakproof fixing feet 25 on the bottom outer wall of liquid level positioning tube (for square) 21; Insert in the drain gully on the drowning aeration and biological filter pocket 17 of heterodoxy the lower end of liquid level positioning tube 21, and leakproof fixing feet 25 is fixedly connected by waterproof glue and the drowning aeration and biological filter pocket 17 of heterodoxy; The top of liquid level positioning tube 21 has drain gully 24; Top in the liquid level positioning tube 21 is fixed with water conservancy diversion and disturbance plate 23; 23 one-tenth heeling conditions of water conservancy diversion and disturbance plate [angle of inclination is 10-45 ° (and the straight angle between the horizontal plane)], the upper end of water conservancy diversion and disturbance plate is positioned at the below of drain gully, and the top in the liquid level positioning tube 21 is fixed with semicircle tank (or claiming semicircle sink body) 22; Water conservancy diversion and disturbance plate 23 are positioned at semicircle tank 22; The bottom of semicircle tank 22 is provided with water falling hole 27, and (diameter of water falling hole 27 is 4-8mm, and the number of water falling hole 27 is 1-20, and present embodiment adopts 6 water falling holes 27; The height of water is by the height decision of drain gully 24 in the drowning aeration and biological filter pocket 17 of heterodoxy, and the water in the drowning aeration and biological filter pocket 17 of heterodoxy fall into semicircle tank 22 then from drain gully 24 overflows entering water conservancy diversion and disturbance plate 23, fall from water falling hole 27 again).
Like Fig. 1, shown in Figure 2; Two sections filtration units 3 comprise first section filter pocket 7, filtrate 8, transition ditch 11, liquid level sensor 12, second section filter pocket 13; Be connected by transition ditch 11 between first section filter pocket 7 and the second section filter pocket 13; Be provided with liquid level sensor 12 in the transition ditch 11, the signal output part of liquid level sensor 12 is linked to each other with the signal input part of liquid level alarm device by SW; The height that first section filter pocket 7 is provided with the upper end of 10, the second sections filter pockets 13 of first riser near the lateral top in transition ditch 11 is lower than the height of first riser 10; The bottom of first section filter pocket 7, second section filter pocket 13 is equipped with in 9, the first sections filter pockets of filter opening 7, second section filter pocket 13 and all is filled with filtrate (as adopting silica sand or filter cloth) 8.
Claims (3)
1. the multilayer heterodoxy aeration and biological filter pocket WWT integration apparatus that falls into water; It is characterized in that it comprises two sections filtration units (3), water distribution tank (4), the drowning aeration and biological filter pocket Sewage treatment systems (5) of multilayer heterodoxy and support (6); Two sections filtration units (3), water distribution tank (4), the drowning aeration and biological filter pocket Sewage treatment systems (5) of multilayer heterodoxy are separately fixed on the support (6); Water distribution tank (4) is positioned at the top of the drowning aeration and biological filter pocket Sewage treatment systems (5) of multilayer heterodoxy, and two sections filtration units (3) are positioned at the top of water distribution tank (4); First section filter pocket (7) of two sections filtration units (3), the bottom of second section filter pocket (13) are equipped with filter opening (9), and the side of water distribution tank (4) is provided with water distributing pore (26);
The drowning aeration and biological filter pocket Sewage treatment systems (5) of multilayer heterodoxy comprises the drowning aeration and biological filter pocket WWT group (14) of one group of multilayer heterodoxy at least; The drowning aeration and biological filter pocket WWT group of described multilayer heterodoxy comprises the drowning aeration and biological filter pocket (17) of 3 heterodoxies at least; All heterodoxies of same group are fallen into water aeration and biological filter pocket (17) along same vertical line layout; The drowning aeration and biological filter pocket (17) of all heterodoxies is separately fixed on the support (6); The drowning aeration and biological filter pocket (17) of heterodoxy is provided with drain gully; The drain gully place is provided with liquid level location, oxygenating and aerating unit (18), and adjacent heterodoxy is fallen into water, and aeration and biological filter pocket (17) is intake for heterodoxy and heterodoxy is fallen into water; The drowning aeration and biological filter pocket (17) of described heterodoxy is filled with biologic packing material (20); The middle part of the drowning aeration and biological filter pocket (17) of heterodoxy is provided with flow deflector (19), leaves the gap between the bottom in the drowning aeration and biological filter pocket (17) of the lower end of flow deflector (19) and heterodoxy; The water distribution tank (4) of the top of the feed-water end of the drowning aeration and biological filter pocket (17) of heterodoxy of the top of the drowning aeration and biological filter pocket WWT group (14) of each group multilayer heterodoxy is provided with water distributing pore (26); Each group multilayer heterodoxy fall into water drain gully of aeration and biological filter pocket (17) of the heterodoxy of below of aeration and biological filter pocket WWT group (14) that falls into water is connected with outfall sewer (16) by rising pipe (15);
Described liquid level location, oxygenating and aerating unit (18) comprise liquid level positioning tube (21), semicircle tank (22), water conservancy diversion and disturbance plate (23), leakproof fixing feet (25); Be welded with leakproof fixing feet (25) on the bottom outer wall of liquid level positioning tube (21); Insert in the drain gully on the drowning aeration and biological filter pocket (17) of heterodoxy the lower end of liquid level positioning tube (21), and leakproof fixing feet (25) is fixedly connected by waterproof glue and the drowning aeration and biological filter pocket (17) of heterodoxy; The top of liquid level positioning tube (21) has drain gully (24); Top in the liquid level positioning tube (21) is fixed with water conservancy diversion and disturbance plate (23); Water conservancy diversion becomes heeling condition with disturbance plate (23), and the upper end of water conservancy diversion and disturbance plate is positioned at the below of drain gully, and the top in the liquid level positioning tube (21) is fixed with semicircle tank (22); Water conservancy diversion and disturbance plate (23) are positioned at semicircle tank (22), and the bottom of semicircle tank (22) is provided with water falling hole (27).
2. the multilayer heterodoxy according to claim 1 aeration and biological filter pocket WWT integration apparatus that falls into water; It is characterized in that: said two sections filtration units (3) comprise first section filter pocket (7), filtrate (8), transition ditch (11), liquid level sensor (12), second section filter pocket (13); Be connected by transition ditch (11) between first section filter pocket (7) and the second section filter pocket (13); Be provided with liquid level sensor (12) in the transition ditch (11), the signal output part of liquid level sensor (12) is linked to each other with the signal input part of liquid level alarm device by SW; First section filter pocket (7) is provided with first riser (10) near a lateral top of transition ditch (11), and the height of the upper end of second section filter pocket (13) is lower than the height of first riser (10); The bottom of first section filter pocket (7), second section filter pocket (13) is equipped with filter opening (9), all is filled with filtrate (8) in first section filter pocket (7), the second section filter pocket (13).
3. the multilayer heterodoxy according to claim 1 aeration and biological filter pocket WWT integration apparatus that falls into water, it is characterized in that: water distributing pore (26) is a trilateral.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106006962A (en) * | 2016-05-18 | 2016-10-12 | 上海立泉环境科技有限公司 | Biological aerated filter device |
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| CN108623111B (en) * | 2018-05-24 | 2021-07-02 | 江苏河海给排水成套设备有限公司 | Sludge dewatering device for water supply and drainage |
| CN114790034A (en) * | 2022-05-31 | 2022-07-26 | 广东立行环境设计有限公司 | MBBR suspended filler prevents piling up harmless interception system |
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| JPH09314192A (en) * | 1996-05-29 | 1997-12-09 | Taiyo Plant Kk | Cleaning device utilizing wave |
| CN2739174Y (en) * | 2004-11-04 | 2005-11-09 | 朱向宏 | Water fall aeration apparatus |
| CN201793421U (en) * | 2010-05-28 | 2011-04-13 | 重庆科技学院 | Water fall aeration-type biofilter |
| CN202099162U (en) * | 2011-05-17 | 2012-01-04 | 湖北威能环保工程有限公司 | Integrated sewage treatment equipment for multi-layered different-end water falling biological aerated filter tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006962A (en) * | 2016-05-18 | 2016-10-12 | 上海立泉环境科技有限公司 | Biological aerated filter device |
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