CN207158890U - Circulation pressure-fired fixed-bed bioreactor in a kind of - Google Patents

Abstract

The utility model discloses pressure-fired fixed-bed bioreactor is circulated in one kind, including pond body, converter, the biological filter bed of material, supporting layer, aqueous vapor dispenses nuclear island and backwash compression pipe, converter one end is connected with water inlet pipe, it is connected in the middle part of converter with backflushing water intake pipe, aqueous vapor dispatching nuclear island includes backwash water dispenser, inner circulating aerating device and pressure-fired froth breaker, backwash water dispenser includes distributor, distributing hole and with water layer, inner circulating aerating device is arranged on the top of distributor, inner circulating aerating device includes inner circulating aerating lifter and aerator, pressure-fired froth breaker is arranged on the top of inner circulating aerating device, for the defoaming in sewage disposal process.Compared with prior art, a kind of interior circulation pressure-fired fixed-bed bioreactor of the present utility model by sewage disposal etc. function be focused on aqueous vapor dispatching nuclear island, low cost, integrated level is high, water distribution receipts water is uniform, breaches the excessive limitation of original single area of BAF function.

Description

Circulation pressure-fired fixed-bed bioreactor in a kind of

Technical field

It the utility model is related to field of sewage treatment equipment, specifically internal-circulation type bioreactor for sewage treatment.

Background technology

With reducing sharply for industrial expansion and environmental carrying capacity, the pollution control of enterprise proposes more and more strict requirements, dirty The further treatment technique of water and micro-polluted source water is that current pollutant discharge of enterprise is up to standard and the focus and difficult point of reuse water process, aeration Biofilter（BAF）It is wherein using one of more universal technology.

BAF is a kind of high load capacity Submerged Fixed Bed phase reactor, has fully been used in Water purification Filtering technique, filtering technique and biochemical process are organically combined, do not set sedimentation basin, filter tank is realized by backwashing regeneration Cycle substitutes.Being mainly characterized by of biological aerated filter is immersed in water using the less bulk material of particle diameter as filtrate, filtrate In, supplied oxygen using blast aeration.Of both filter material layer serves, first, as microorganism carrier, with general biological filter Pond is compared, and because it has bigger specific surface area, sewage is grown with biomembrane actual time of contact, can make biochemical reaction Carry out more thorough；Second, filter medium can be used as, the suspended solid in water inlet and the biosolids newly formed are retained, is obtained High-quality water outlet.

Sewage has to pass through isolated area outside enhancing tube, aeration enhancing tube, interior backflow cylinder, life in traditional aeration biofilter Thing packing layer is circulated, that is, has to pass through 4 flowings, and biologic packing material is handled 1 time, causes aeration lifting, refluxing portion It is excessive to occupy filter tank volume, inner recirculation flow road is long, and power consumption is big, and it is excessive that inactive portion occupies filter tank volume, filter tank foam More, dirt is stifled serious, while exists after long-play and have that filtrate is hardened, and water distribution is uneven, and backwash is not thorough, and is needed after backwash The problems such as biological bacteria of the filtrate of long period could be recovered, and denitrogenation and decarburization need to be provided separately, overall device investment cost Height, floor space is big, and invalid power consumption is big, and the efficiency of sewage disposal is low.

Utility model content

The purpose of this utility model aims to solve the problem that the deficiency present in above-mentioned prior art, there is provided a kind of small investment, occupation of land Small, stable, efficiency high the bioreactor of area, the setting of nuclear island is dispensed by aqueous vapor, makes full use for the treatment of tank Space, improve the efficiency of sewage disposal, realize the circular treatment of sewage, while integrated using pressure-fired froth breaker unpowered Solve a large amount of foams formed during sewage aeration.

The technical scheme in the invention for solving the technical problem is：Circulation pressure-fired fixed bed biology in a kind of Reactor, including pond body, converter, the biological filter bed of material, supporting layer, aqueous vapor dispatching nuclear island and backwash compression pipe, it is described Supporting layer is arranged on the bottom of pond body, and for supporting biofilter material, the described biological filter bed of material is arranged on supporting layer top, is used for The filtering of biological impurities in sewage, described converter one end are connected with water inlet pipe, and converter is with water inlet pipe opposite side with going out Water pipe connects, and be connected with backflushing water intake pipe in the middle part of described converter, described aqueous vapor dispense nuclear island including backwash water dispenser, Inner circulating aerating device and pressure-fired froth breaker, described backwash water dispenser are arranged on the bottom of pond body, including distributor, water distribution Hole and with water layer, biomembrane is removed for being cleaned in backwash, and described distributor is arranged on the bottom of reactor pond body, point Orchestration is provided with distributing hole on two side, is arranged on water layer in the cavity between distributor and pond body, and described interior circulation exposes Gas device is arranged on the top of distributor, and dividing plate, described inner circulating aerating device are provided between distributor and inner circulating aerating device Including inner circulating aerating lifter and aerator, described inner circulating aerating lifter is arranged on the middle part of pond body, there is provided sewage The passage of lifting, described aerator are arranged in interior circularly enhancing device, and one end is connected with air hose；Described pressure-fired defoaming Device is arranged on the top of inner circulating aerating device, for the defoaming in sewage disposal process；Described backwash compressed gas pipeline bag Include the main compression airduct set through the biological bed of material and be uniformly arranged loosening airduct in supporting layer.

As optimization, described converter includes supervisor, enclosed baffle and detection pipe, one end of supervisor's length direction Water inlet pipe is fixedly installed, the bottom of the other end and water processing reactor along supervisor's length direction connects, described water inlet Pipe in the side wall of supervisor contact position with being provided with the projection being used cooperatively with enclosed baffle；Described backwash tube is arranged on supervisor Width, described backwash tube with supervisor contact position side wall on be provided with the projection being used cooperatively with enclosed baffle； Described enclosed baffle is fixed on supervisor by rotating shaft, and the sealing area of the enclosed baffle is more than water inlet pipe, backwash tube Pipeline area, the enclosed baffle includes contact layer and supporting layer, and described contact layer is rubber layer, is arranged on supporting layer Both sides；Described supporting layer is metal level；Described water inlet pipe and backwash tube is separately provided for detecting the sealing of pipeline The detection pipe of property.

As optimization, described pressure-fired froth breaker includes cage, gas outlet, liquid outlet and spine dividing plate, described micro- Malleation froth breaker is used cooperatively with inner circulating aerating lifter, is arranged on the top of inner circulating aerating lifter；Described isolation Cover is arranged on the top of inner circulating aerating lifter pipeline by spine dividing plate and forms space；The spine dividing plate is provided with vertical Horizontal bar plate；Described cage bottom is provided with gas outlet, and the gas outlet bottom is provided with liquid outlet.

As optimization, described interior circulation pressure-fired fixed-bed bioreactor can arrange multiple aqueous vapor dispatching nuclear islands；

The beneficial effects of the utility model are：Compared with prior art, a kind of interior circulation pressure-fired of the present utility model is consolidated Fixed bed bioreactor lifts aeration aerating, distribution of intaking, backwash water distribution, compressed air distribution, malleation resolution foam etc. Function is focused on aqueous vapor dispatching nuclear island, and the structure in nuclear island is completed respective function using fluid mechanics principle, exemption from inspection, exempted from Safeguard, low cost integrated level height, water distribution receipts water is uniform, breaches the limit that the single area of original BAF can not be excessive System, simplifies layout of beam line, alleviates manipulation strength.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is converter structure schematic diagram；

Fig. 3 is pressure-fired froth breaker structural representation；

Wherein, 1 water inlet pipe, 2 backwash water inlet pipes, 3 converters, 31 supervisors, 34 rotating shafts, 351 contact layers, 352 supporting layers, 36 Projection, 37 detection pipes, 4 compression airducts, 5 air hoses, 6 pressure-fired froth breakers, 61 cages, 63 gas outlets, 64 liquid outlets, 66 points Pierce dividing plate, 7 drainpipes, 8 pond bodies, 9 clear water zones, the 10 biological filter bed of materials, 11 inner circulating aerating lifters, 12 aerators, 13 supports Water layer is matched somebody with somebody in layer, 14 loosening airducts, 15 distributors, 151 dividing plates, 16 dispensing orifices, 17.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.Therefore, below to attached The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed the scope of the utility model, But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belong to the model of the utility model protection Enclose.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

Circulation pressure-fired fixed-bed bioreactor in a kind of, including pond body 8, converter 3, the biological filter bed of material 10, support Layer 13, aqueous vapor dispatching nuclear island and backwash compression pipe, described supporting layer 13 is arranged on the bottom of pond body 8, for supporting life Thing filtrate, the described biological filter bed of material 10 are arranged on the top of supporting layer 13, for saprobia contaminant filter, described converter 3 one end are connected with water inlet pipe 1, and converter 3 is connected with the opposite side of water inlet pipe 1 with outlet pipe, in the middle part of described converter 3 and anti- Water inlet pipe 2 to be washed to connect, described aqueous vapor dispatching nuclear island includes backwash water dispenser, inner circulating aerating device and pressure-fired froth breaker 6, Described backwash water dispenser is arranged on the bottom of pond body 8, including distributor 15, distributing hole 16 and with water layer 17, for anti- Biomembrane, which is cleaned, during flushing removes, and described distributor 15 is arranged on the bottom of reactor pond body 8, and distributor 15 is set on two side Distributing hole 16 is equipped with, is arranged on water layer 17 in the cavity between distributor 15 and pond body 8, described inner circulating aerating device is set On the top of distributor 15, active clapboard 151, described inner circulating aerating are provided between distributor 15 and inner circulating aerating device Device includes inner circulating aerating lifter 11, aerator 12, and described inner circulating aerating lifter 11 is arranged on the middle part of pond body 8, used In the passage for providing sewage lifting, described aerator 12 is arranged in interior circularly enhancing device 11, and one end is connected with air hose 5； Described pressure-fired froth breaker 6 is arranged on the top of inner circulating aerating device, for the defoaming in sewage disposal process；Described is anti- Rinsing compressed gas pipeline includes the compression airduct 4 that is set through the biological bed of material and is uniformly arranged loosening airduct in supporting layer 13, Water after processing is discharged by discharge outlet 7.

Described pressure-fired froth breaker 6, including cage 61, gas outlet 63, liquid outlet 64 and spine dividing plate 66, it is described micro- Malleation froth breaker 6 is used cooperatively with inner circulating aerating lifter 11, is arranged on the top of inner circulating aerating lifter 11；Described Cage 61 is arranged on the top of inner circulating aerating lifter 11 by spine dividing plate 66 and forms space；The spine dividing plate 66 Gusset in length and breadth is provided with, the described bottom of cage 61 is provided with gas outlet, and the bottom of gas outlet 63 is provided with liquid outlet 64；

Described converter includes supervisor 31, enclosed baffle and detection pipe 37, and one end of 31 length directions of the supervisor is consolidated Surely water inlet pipe 1 is provided with, is connected along the other end of 31 length directions of supervisor with outlet pipe, described water inlet pipe 1 and supervisor 31 Projection 36 is provided with the side wall of contact position, is used cooperatively with enclosed baffle；Described backwash tube 2 is arranged on the width of supervisor 31 Direction is spent, described backwash tube 2 is used cooperatively with being provided with projection 36 in the side wall of 31 contact positions of supervisor with enclosed baffle； Described enclosed baffle is fixed on supervisor 31 by rotating shaft 34, and the sealing area of the enclosed baffle is more than water inlet pipe 1, recoil Wash the pipeline area of pipe 2, the enclosed baffle is by including contact layer 351 and supporting layer 352, for water (flow) direction in closed conduct Conversion, described contact layer 351 is rubber layer, is arranged on the both sides of supporting layer 352, can strengthen sealing, described support Layer 352 is metal level, ensures the intensity in closing next door；Described water inlet pipe 1 and backwash tube 2 is respectively arranged with detection pipe 37, For detecting the sealing of pipeline；

Described interior circulation pressure-fired fixed-bed bioreactor can arrange multiple aqueous vapor dispatching nuclear islands simultaneously；

In embodiment 1, air is passed through interior follow by air hose when circulating the operation of pressure-fired fixed-bed bioreactor inside Ring is aerated lifter, completes the oxygenation to sewage and lifts sewage, and the clear water zone of aeration tank is entered after the defoaming of pressure-fired froth breaker, Sewage after oxygenation, which flows down, passes through the biological filter bed of material, absorption degradation of the pollutant through filtrate and microorganism, through backwash distributor again Into aeration lifter, once oxygenation, absorption, degraded, the filtering of the sewage of completion in aeration tank.It is attached to micro- on filtrate The organic matter and ammonia nitrogen of biological continuous degradation sewage, complete the carbonization of the nitration denitrification and pollutant of ammonia nitrogen.Sewage is through air After lifting oxygenation, into biologic packing material layer, the adsorbed degraded of pollutant, enter from bottom in aqueous vapor dispatching nuclear island, circulate, So it is repeated, contaminant degradation is more thorough efficient, overcomes traditional up flow type or downflow type aerating biological filter once The drawbacks of being just discharged with filler Contact-sorption.

In specific embodiment, sewage is entered by water inlet pipe, and converted device enters in aqueous vapor dispatching nuclear island.Air is by air hose Dispense in nuclear island into aqueous vapor, through aerator lifting sewage and be oxygenated, mixing wastewater with air liquid is upward in inner circulating aerating lifter Flowing, as caused foam defoams in pressure-fired froth breaker in aerobic process, air water enters in clear water zone, and clear water can pass through Outlet pipe is discharged；Dirty organic pollutants after oxygenation are adsorbed in the biological filter bed of material, retained, biological oxidation removes, warp The distributing hole of aqueous vapor dispatching nuclear island bottom, which is entered in inner circulating aerating lifter, to be circulated.

Sewage is through operation after a while, and packing layer is to the continuous absorption degradation of pollutant, the thing of relatively improving people's living condition of enrichment Film needs appropriate remove.The compress wind of use enters aqueous vapor dispatching nuclear island, and the endless tube in its bottom is evenly distributed in aeration tank Supporting layer in, to packing layer pulse loosen, wash by rubbing with the hands.The converted device of backwash water of use, blocks normal water inlet, into distribution Device, the inflow of recirculated water in blocking, flowed out to from distributing hole with water layer, uniform backwash is carried out to filter material layer.During backwash , compress wind evenly distributes by compression airduct into the distribution airduct through surrounding, and pulse loosens the biological filter bed of material, by the biology of aging Film washes removal by rubbing with the hands.Backwashing water is entered by backwash pipeline, and the entrance of sewage, the allocated device, matches somebody with somebody when converter blocks normal operation Water hole, which enters, matches somebody with somebody in water layer, passes through supporting layer, the biomembrane of aging in the biological filter bed of material is cleaned and removed.

It is interior circulation pressure-fired fixed-bed bioreactor aeration aerating is lifted, distribution of intake, backwash water distribution, compress sky Qi leel is matched somebody with somebody, the malleation resolution function such as foam is focused on aqueous vapor dispatching nuclear island, and the structure in nuclear island is complete using fluid mechanics principle Into respective function, exemption from inspection, non-maintaining, low cost integrated level is high, and water distribution receipts water is uniform, breaches original BAF Single area can not be excessive limitation, simplify layout of beam line, alleviate manipulation strength.

Fixed bed pressure-fired bioreactor of the present utility model, have it is compact-sized, main pipe can be arranged in pond Top, the transformation in the existing pond that is particularly suitable for reusing, while purification efficiency is high, floor space is small, and treatment effect is stable.With it is traditional Sewage reactor compares, and dynamic efficiency improves, and the volume of internals reduces 7%, and the dutycycle of bioreactor is by 85% 95% is brought up to, bed stuffing height improves 30%.In the following table, the data of internal circulation biological reactor and traditional aeration biofilter Contrast：

Title	Common sewage reactor	Interior circulating sewage reactor	Enhancing rate（%）
				Organic loading	2.0-3.0kgBOD/（m³*d）	2.5-4.0kgBOD/（m³*d）	33
Filter filtering velocity	0.8~1.5m/h	1.2-2.2m/h	47
				Hydraulic detention time	1.0~2.0h	1.0-1.5h	25
COD clearances	Highest 20%	Highest 40%	50

In example 2, supervisor, water inlet pipe, backwash tube, enclosed baffle and detection are included with reference to accompanying drawing 2, converter Pipe, enclosed baffle are provided with counterweight adjusting device, can be used for the sensitivity for adjusting enclosed baffle, and the change for adapting to hydraulic pressure ensures Sealing effectiveness；Described projection is triangle, sealing when enhancing enclosed baffle contacts with water inlet pipe, backwash tube；It is described Detection pipe be located at the outside of reactor, and controlled valve is provided with, for detecting the sealing of sealing dividing plate；Described water inlet Pipe, backwash tube are square tube with being responsible for the position contacted；Described enclosed baffle is square plate, is arranged on supervisor's bottom rotating shaft Length is consistent with the width of dividing plate, and contact area is big, service life length.

In normal operation, water inlet enters sewage-treating reactor by water inlet pipe, in the presence of intake pressure, closing Dividing plate is crushed on the mouth of pipe of backwash tube, while realizes that enclosed baffle arrives close to pipeline by being arranged on the projection of side wall Envelope, using rubber layer and the raised mutual embedded sealing that ensure that to water, it can be examined in addition by the detection pipe of backwash tube Whether good survey sealing；When needing to be backwashed, water inlet water pump is closed, the press water of backwash enters pipeline, anti- Under the pressure of flushing water, enclosed baffle realizes closing on the mouth of pipe of water inlet pipe is pressed in, while by being arranged on the raised of side wall The sealing that dividing plate arrives to pipeline, in addition can be by anti-using rubber layer and the raised mutual embedded sealing that ensure that to water Whether the detection pipe detection sealing of flush pipe is good.

In embodiment 3, with reference to the pressure-fired froth breaker of accompanying drawing 3, pressure-fired froth breaker includes cage, gas outlet, goes out liquid Mouth and spine dividing plate, the spine dividing plate are two layers；The muscle in length and breadth plate shape of the spine dividing plate into cavity size it is different, be easy to Eliminate different foams；The size of described gas outlet is adjustable；Described gas outlet, liquid outlet are arranged under water, While cutting down foam, additionally it is possible to play a part of improving oxygen-transfer efficiency.

In embodiment, mixing wastewater with air liquid enters aqueous vapor dispatching nuclear island by aeration tube and sewage pipe respectively, goes out in pipeline Mouth position, because the bubble formed is lighter, therefore bubble concentrates on cage and forms space with inner circulating aerating riser top Interior, simultaneous bubble is continuously increased, and bubble mutually extrudes, and part bubble is squeezed and broken, and another part bubble is passing through Stabbed diagonally and punctured during spine dividing plate, final air is overflowed by gas outlet, eliminates foam, and water is then excluded by liquid outlet；Together Shi Yinwei gas outlets, liquid outlet are arranged under water, while cutting down foam, additionally it is possible to play a part of improving oxygen-transfer efficiency.

Above-mentioned embodiment is only specific case of the present utility model, and scope of patent protection of the present utility model includes But the product form and style of above-mentioned embodiment are not limited to, in any one kind for meeting the utility model claims book The appropriate change that circulation pressure-fired fixed-bed bioreactor and any person of an ordinary skill in the technical field are done to it Or modification, it should all fall into scope of patent protection of the present utility model.

Claims (4)

1. circulation pressure-fired fixed-bed bioreactor in a kind of, including pond body, converter, the biological filter bed of material, supporting layer, aqueous vapor Nuclear island and backwash compression pipe are dispensed, described supporting layer is arranged on the bottom of pond body, described for supporting biofilter material The biological filter bed of material is arranged on supporting layer top, the filtering for biological impurities in sewage, it is characterised in that：Described converter one End is connected with water inlet pipe, and converter is connected with water inlet pipe opposite side with outlet pipe, is intake in the middle part of described converter with recoil Pipe connects, and described aqueous vapor dispatching nuclear island includes backwash water dispenser, inner circulating aerating device and pressure-fired froth breaker, described to be used for Cleaned in backwash and remove the backwash water dispenser of biomembrane and be arranged on the bottom of pond body, including distributor, distributing hole and matched somebody with somebody Water layer, described distributor are arranged on the bottom of reactor pond body, and distributor is provided with distributing hole on two side, are set with water layer In cavity between distributor and pond body, described inner circulating aerating device is arranged on the top of distributor, and distributor follows with interior Dividing plate is provided between ring aerator, described inner circulating aerating device includes inner circulating aerating lifter and aerator, described Inner circulating aerating lifter is arranged on the middle part of pond body, there is provided the passage of sewage lifting, described aerator are arranged on interior circulation In lifter, one end of aerator is connected with air hose；Described pressure-fired froth breaker is arranged on the top of inner circulating aerating device； Described backwash compressed gas pipeline includes the main compression airduct set through the biological bed of material and is uniformly arranged pine in supporting layer Dynamic airduct.

A kind of 2. interior circulation pressure-fired fixed-bed bioreactor according to claim 1, it is characterised in that：Described turns Parallel operation includes supervisor, enclosed baffle and detection pipe, and one end of supervisor's length direction is fixedly installed water inlet pipe, along supervisor The other end of length direction and the bottom of water processing reactor are connected, and described water inlet pipe is set with being responsible in the side wall of contact position There is the projection being used cooperatively with enclosed baffle；Described backwash tube is arranged on the width of supervisor, described backwash tube With being responsible for the projection being used cooperatively with enclosed baffle is provided with the side wall of contact position；Described enclosed baffle is fixed by rotating shaft On supervisor, the sealing area of the enclosed baffle is more than water inlet pipe, the pipeline area of backwash tube, and the enclosed baffle includes Contact layer and supporting layer, described contact layer are rubber layer, are arranged on the both sides of supporting layer；Described supporting layer is metal level； Described water inlet pipe and backwash tube is separately provided for detecting the detection pipe of the sealing of pipeline.

A kind of 3. interior circulation pressure-fired fixed-bed bioreactor according to claim 1, it is characterised in that：Described is micro- Malleation froth breaker includes cage, gas outlet, liquid outlet and spine dividing plate, and the pressure-fired froth breaker is lifted with inner circulating aerating Device is used cooperatively, and is arranged on the top of inner circulating aerating lifter；Described cage is arranged on interior circulation by spine dividing plate It is aerated the top of lifter pipeline and forms space；The spine dividing plate is provided with gusset in length and breadth；Described cage bottom is set Gas outlet is equipped with, the gas outlet bottom is provided with liquid outlet.

A kind of 4. interior circulation pressure-fired fixed-bed bioreactor according to claim 1, it is characterised in that：Described is interior Circulation pressure-fired fixed-bed bioreactor can arrange multiple aqueous vapor dispatching nuclear islands.