CN204981335U - Submergence formula circulation biological filter reactor - Google Patents
Submergence formula circulation biological filter reactor Download PDFInfo
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- CN204981335U CN204981335U CN201520473762.3U CN201520473762U CN204981335U CN 204981335 U CN204981335 U CN 204981335U CN 201520473762 U CN201520473762 U CN 201520473762U CN 204981335 U CN204981335 U CN 204981335U
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Abstract
The utility model discloses a submergence formula circulation biological filter reactor, circulation biological filter reactor sets up in the effluent water sump, and circulation biological filter reactor includes: the jar is personally experienced sth. Part of the body, and a jar internal packing has the filter material, and jar position sewage water level top position in the effluent water sump is equipped with the delivery port, and the jar position is equipped with the water inlet in the position below the sewage water level, carry the material pipe, it is internal to locate the jar, the upper end of carrying the material pipe is located to the diffuser, jar lower part of the body is located to the distributing device, carries the material pipe and passes the distributing device, the aeration pipe, tracheal aeration period number in the internal lower part of jar of exposing to the sun, the backwash intake pipe, it is internal to stretch into the jar, and the gas outlet of backwash intake pipe is located carries material pipe lower part. The utility model discloses practice thrift sewage treatment's area.
Description
Technical field
The utility model relates to technical field of sewage, specifically a kind of immersion circulating biological filter tank reactor.
Background technology
BAF is called for short BAF, is a kind of New biological membrane method sewage water treatment method grown up America and Europe the end of the eighties, and the method has the effect of removing SS, COD, BOD, nitrated, denitrogenation, dephosphorization, removal AOX (objectionable impurities).Its advantage is as follows: 1. one-time investment is lower than traditional method by 1/4; 2. area occupied is 1/10 ~ 1/5 of common process, and running cost is low by 1/5; 3. inflow requirement suspended substance 50 ~ 60mg/L, preferably combines with primary reinforcement process, as adopted hydrolysis acidification pool; 4. filtrate many employings haydite, diameter 5mm, floor height 1.5 ~ 4m; 5. water down, gas reverse flow up can not establish second pond.
BAF is compared with conventional activated sludge process, have that organic loading is high, floor space is little (being 1/3 of conventional activated sludge process), less investment (saving 30%), the advantages such as sludge bulking, oxygen transmission efficiency is high, effluent quality is good can not be produced, but it requires comparatively tight (general requirement SS≤100mg/L to water inlet SS, best SS≤60mg/L), therefore need to carry out pre-treatment to water inlet.Meanwhile, its back flushing water yield, head loss are all larger.
In addition, BAF is as integrating bio-oxidation and the novel process retaining suspended solids, save post precipitation pond (second pond), there is volumetric loading, hydraulic load is large, hydraulic detention time is short, required initial cost is few, and effluent quality is good: operation energy consumption is low, the feature that working cost is few.
But existing BAF needs to arrange separately, adds floor space.Bring certain difficulty to existing Transformation of Sewage Treatment simultaneously, be difficult to carry out reasonable reformation on existing layout basis.
Utility model content
In view of this, the utility model embodiment provides a kind of immersion circulating biological filter tank reactor.Main purpose saves floor occupying area.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, the utility model embodiment provides a kind of immersion circulating biological filter tank reactor, and immersion circulating biological filter tank reactor, is characterized in that, described circulating biological filter tank reactor is arranged in sewage lagoon, and described circulating biological filter tank reactor comprises:
Tank body, is filled with filtrate in tank body, and tank body is provided with water outlet and water-in, and water outlet is higher than wastewater level in sewage lagoon, and water-in is positioned at filtrate district, and water-in is lower than wastewater level in sewage lagoon;
Extraction pipe, is located in tank body, and upper end is filtrate outlet, and lower end is filtrate entrance;
Diffuser, is located at the upper end of extraction pipe;
Distributor, is located at the bottom of extraction pipe, and described extraction pipe is through described distributor;
Aeration tube, the aeration section of described aeration tube is positioned at the bottom of tank body;
Backwash inlet pipe, the air outlet of described backwash inlet pipe is positioned at the below of the filtrate entrance of extraction pipe.
As preferably, the cloth conical surface of described distributor is evenly equipped with solarization air cap, and described aeration tube aeration section is positioned at distributor bottom.
As preferably, the diameter of described solarization air cap is 3mm.
As preferably, the aeration section of described aeration tube is horizontally disposed annular.
As preferably, the aeration section of described aeration tube comprises stainless steel supporting pipeline and is coated on the film of stainless steel supporting pipeline outer wall, and described film evenly gathers aerating pore.
As preferably, be provided with inner sleeve in described tank body, form annular space between described inner sleeve and tank body, described distributor is positioned at inner sleeve, the annular space portion that described water-in is formed between inner sleeve and tank body.
As preferably, be provided with water inlet pipe in described tank body, water inlet pipe is connected with water-in, water inlet pipe go out mouth down.
As preferably, described water outlet is the crest of weir being positioned at tank body upper end.
As preferably, described crest of weir is Height Adjustable crest of weir.
As preferably, the material of described tank body is stainless steel.
Compared with prior art, the beneficial effects of the utility model are:
The immersion circulating biological filter tank reactor of the utility model embodiment is arranged in sewage lagoon, sewage in sewage lagoon directly enters from the water-in tank body, without the need to additionally arranging sewage water equipment, and the extra land occupation in the biological filter of the utility model embodiment, decrease floor space, be beneficial to and existing dirt process place is transformed.And cost is low, change Recycle design, effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the immersion circulating biological filter tank reactor of utility model embodiment.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but not as to restriction of the present utility model.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Fig. 1 is the structural representation of the immersion circulating biological filter tank reactor of utility model embodiment.As shown in Figure 1, immersion circulating biological filter tank reactor, this circulating biological filter tank reactor is arranged in sewage lagoon 15, and this circulating biological filter tank reactor comprises:
Tank body 1, is filled with filtrate 2 in tank body 1, tank body 1 is provided with water outlet 101 and water-in 102, and water outlet 101 is higher than wastewater level 16 in sewage lagoon 15, and water-in 102 is positioned at filtrate district, and water-in 102 is lower than wastewater level 16 in sewage lagoon 15;
Extraction pipe 6, is located in tank body 1, and upper end is filtrate outlet, and lower end is filtrate entrance;
Diffuser 9, is located at the upper end of extraction pipe 6;
Distributor 5, is located at the bottom of extraction pipe 6, and extraction pipe 6 is through distributor 5;
Aeration tube 11, the aeration section of aeration tube 11 is positioned at the bottom of tank body 1;
Backwash inlet pipe 3, stretches in tank body 1, and the air outlet of backwash inlet pipe 3 is positioned at the below of the filtrate entrance of extraction pipe 6.
The immersion circulating biological filter tank reactor of the utility model embodiment is arranged in sewage lagoon, sewage in sewage lagoon directly enters from the water-in tank body, without the need to additionally arranging sewage water equipment, and the extra land occupation in the biological filter of the utility model embodiment, decrease floor space, be beneficial to and existing dirt process place is transformed.The circulating biological filter tank of the utility model embodiment is immersed in sewage lagoon, and change water intake mode, biomass is higher, improves treatment effect.
Preferred as above-described embodiment, the cloth conical surface of distributor 5 is evenly equipped with solarization air cap, and the aeration section of aeration tube 11 is positioned at distributor 5 bottom.The diameter of solarization air cap is 3mm.Arranged by this kind, distributor 5 possesses the function of uniform distribution and aeration simultaneously.During aeration, gas enters the bottom of distributor 5 by aeration tube, and gas fully contacts with the water of distributor 5 bottom, and the mixing wastewater with air time is long, improves the oxygen level in water, and reach capacity dissolved oxygen.Carry out aeration by solarization air cap uniform on the cloth conical surface of distributor 5, make aeration more even.Avoid when adopting aeration tube, gas is discharged from the less weakness of biomass, and cause all not aerations, aeration is uneven.The aeration section of aeration tube is horizontally disposed annular.The aeration section of aeration tube comprises stainless steel supporting pipeline and is coated on the film of stainless steel supporting pipeline outer wall, and film evenly gathers aerating pore.Distributor 5 arranges solarization air cap, and the bottom aeration section of aeration tube 11 is located in distributor 5, now aeration process is as follows: aeration section carries out aeration, air fully contacts with the water of bottom in distributor 5 and forms strong mixing wastewater with air stirring action, improve the oxygen level in water, form gas liquid mixture, unnecessary air overflows water body, upper space in distributor 5 forms a underwater air room, then be spread in along the solarization air cap uniform secondary on the cloth conical surface of distributor in the filter material layer in outside, fully contact with the water body between filtrate and filter material layer; In distributor, the gas liquid mixture (containing saturated dissolved oxygen in water after aeration diffusion) of lower space is also spread in the filter material layer outside distributor along solarization air cap under the effect of pressure of blast simultaneously, at this moment, between the inside of distributor and outside filtrate, form a liquid circulation process, and this process will be conducive to influent quality uniformly distributing and distribution.This distributor 5 can realize filtrate (Gu) uniform, liquid (liquid) water quality of uniform, air (gas) and aeration effect distributes three comprehensive functions such as uniform, is the important inner monomer members guaranteeing that circulating biological filter tank reactor uses.
Preferred as above-described embodiment, be provided with inner sleeve 4 in tank body 1, form annular space between inner sleeve 4 and tank body 1, distributor 5 is positioned at inner sleeve 4, the annular space portion that water-in 102 is formed between inner sleeve 4 and tank body 1.The present embodiment makes pending water at the inside and outside formation partial circulating of inner sleeve 4 by arranging inner sleeve 4, and distribution and water distribution are regulated, A/O function is completely realized in tank body, namely the formation anaerobic zone, annular space portion (A section) formed between inner sleeve 4 and tank body 1, forms aerobic zone (O section) in inner sleeve 4.Embodiment improves wastewater treatment efficiency.
Preferred as above-described embodiment, be provided with water inlet pipe 7 in tank body 1, water inlet pipe 7 is connected with water-in 102, water inlet pipe 7 go out mouth down.The present embodiment, by setting out the water inlet pipe 7 of mouth down, first flows downward after making sewage enter tank body 1, and then is upward through filtrate 2, makes sewage fully and the biological that filtrate 2 grows.In addition, after the water inlet pipe 7 of the present embodiment combines with inner sleeve 4, facilitate the partial circulating of sewage in tank body 1, contribute to realizing A/O function completely in tank body 1.
Preferred as above-described embodiment, water outlet 101 is for being positioned at the crest of weir of tank body 1 upper end.The clear water on top can directly be discharged in sewage lagoon 15, realizes the effluent cycle process in sewage lagoon.Wherein, crest of weir adopts Height Adjustable crest of weir.By regulating the height of crest of weir to realize control to aquifer yield, and then the water level 8 controlled in tank body 1 and effluent cycle processing speed.
Preferred as above-described embodiment, the material of tank body 1 is stainless steel.Adopt the circulating biological filter tank of the previously prepared good the utility model embodiment of stainless steel materials, be then directly installed in sewage lagoon.Certain employing concrete placement also can realize pre-manufactured, and rear installation is convenient and swift.
Water-in 102 is generally four, and the sidewall of tank body 1 is uniformly distributed.Certainly, except being arranged on the water-in 102 on the sidewall of tank body 1, water-in can also be set in the bottom of tank body 1.
In the utility model embodiment, diffuser 9 adopts folded plate type diffuser, and folded plate type diffuser upper end is connected with tank body 1 is airtight.Certainly, diffuser 9 can adopt arbitrary applicable diffuser in prior art.
Tank body 1 inwall is provided with strut member 12, for supports cloth glassware.Strut member 12 can be in step-like, so that support inner sleeve 4 simultaneously.Strut member can be vertically disposed back up pad.
Filtrate 2 is spherical haydite or column type active carbon particles or other spherical filtrate be applicable to and granule filter material.
Backwash inlet pipe 3 in the utility model embodiment can stretch in tank body 1 from any position, as long as the air outlet of backwash inlet pipe 3 is positioned at the below of the filtrate entrance of extraction pipe 6.In embodiment shown in figure, be provided with pipe core 10 in tank body, backwash inlet pipe 3 and extraction pipe 6 are all located in pipe core 10, to protect backwash feed-pipe 3 and extraction pipe 6.
In the present embodiment, tank body 1 is fixed by anchor 13 and sewage lagoon 15.The horizontal upper end at sewage lagoon 15 of anchor 13, tank body 1 top and anchor 13 are fixed.
The bottom of sewage lagoon 15 is provided with shore pipe 14.Regularly the mud deposited to bottom sewage lagoon 15 can be discharged.
Multiple sewage lagoon 15 arranging the circulating biological filter tank reactor of the utility model embodiment is used in conjunction, and can realize the multiple-stage treatment to sewage.
The immersion circulating biological filter tank reactor use procedure of the utility model embodiment is as follows.
First working cycle: sewage and the interior inner-outer circulation processing rear sewage of circulating biological filter tank reactor tank body in sewage lagoon;
The submergence of reactor tank body is positioned in sewage pool body, and under aeration oxygen supply condition, in tank body, water level will obtain lifting, higher than the water level of the outer sewage lagoon of tank body, by the height adjustable water outlet crest of weir on tank body top, after the top process in tank body, sewage quantitatively will overflow tank body, flow into sewage lagoon top; Because tank body lower part arranges water-in, (general circumference evenly arranges 4, bottom arranges 1) communicate with sewage lagoon, under the effect of similar air lift principle, sewage bottom sewage lagoon enters reactor tank interior by supplementing, above filtrate to tank body, then overflow tank body, enter sewage lagoon, form inner-outer circulation.
According to this working cycle, can adopt plural serial stage treatment process, each single-stage sewage lagoon is provided with connected entrance, until the water outlet of end sewage lagoon, does not substantially have head loss; And multiple reactor also can be installed, such layout in single-stage sewage lagoon, the water outlet processing more high-quality can be obtained, successfully solve multiple tank body and arrange and big yield modular combination application problem.
Second working cycle: the repeats itself (internal recycle) of sewage in the reactor tank body of circulating biological filter tank;
By arranging inner sleeve in reactor tank body, by bottom aeration in tank body, air-flow will concentrate on inner sleeve interior region and rise, and drive sewage outside in inner sleeve in tank body to form circulation, prerequisite is the Control strain water yield, and the quantity of circulating water that inner sleeve air-flow is driven is greater than the spilling water yield.
Based on this working cycle, distinguished by outside aeration and non-aeration in inner sleeve, aerobic zone and anaerobic zone is formed in filtrate in whole process tank body, sewage is constantly circulated to anaerobic zone by aerobic zone, if sewage is after aerobic zone realizes nitration reaction process, the nitrate ion in sewage will enter anaerobic zone with current, then contain the anaerobic zone of sewage in tank body of enriching carbon source with sewage lagoon and mix, to anti-nitration reaction be there is, reach the treatment effect removing total nitrogen.
3rd working cycle: under backwash state, the upper and lower circulation of filtrate in filter material layer in tank body;
Sewage lagoon is not intake, now enter the backwash state of system, the pressurized air entered by backwash inlet pipe drives current, current drive filtrate upwards to be flowed by tank base in extraction pipe, base sludge swept along by filtrate, after diffuser by tank body top, filtrate evenly becomes scattered about the top of filter bed under gravity; In this process, the microbial film of filter material surface is thoroughly separated with filtrate under air water strong disturbance with the mud of sweeping along, mud after separation is under aeration state, be suspended in reactor tank body top water, reactor tank body is overflowed with current, enter sewage lagoon outside tank body, in sewage lagoon, sewage is in quiet heavy state, and in the sludge hopper of sludge settling bottom sewage lagoon, regularly suction enters sludge treating system.
After backwash operation certain hour (about 1-2 hour), system can enter normal processing in running status, regains the process water outlet of high-quality.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (10)
1. immersion circulating biological filter tank reactor, is characterized in that, described circulating biological filter tank reactor is arranged in sewage lagoon, and described circulating biological filter tank reactor comprises:
Tank body, is filled with filtrate in tank body, and tank body is provided with water outlet and water-in, and water outlet is higher than wastewater level in sewage lagoon, and water-in is positioned at filtrate district, and water-in is lower than wastewater level in sewage lagoon;
Extraction pipe, is located in tank body, and upper end is filtrate outlet, and lower end is filtrate entrance;
Diffuser, is located at the upper end of extraction pipe;
Distributor, is located at the bottom of extraction pipe, and described extraction pipe is through described distributor;
Aeration tube, the aeration section of described aeration tube is positioned at the bottom of tank body;
Backwash inlet pipe, the air outlet of described backwash inlet pipe is positioned at the below of the filtrate entrance of extraction pipe.
2. immersion circulating biological filter tank according to claim 1 reactor, it is characterized in that, the cloth conical surface of described distributor is evenly equipped with solarization air cap, and described aeration tube aeration section is positioned at distributor bottom.
3. immersion circulating biological filter tank according to claim 2 reactor, is characterized in that, the diameter of described solarization air cap is 3mm.
4. immersion circulating biological filter tank according to claim 1 reactor, is characterized in that, the aeration section of described aeration tube is horizontally disposed annular.
5. immersion circulating biological filter tank according to claim 1 reactor, is characterized in that, the aeration section of described aeration tube comprises stainless steel supporting pipeline and is coated on the film of stainless steel supporting pipeline outer wall, and described film evenly gathers aerating pore.
6. immersion circulating biological filter tank according to claim 1 reactor, it is characterized in that, in described tank body, be provided with inner sleeve, between described inner sleeve and tank body, form annular space, described distributor is positioned at inner sleeve, the annular space portion that described water-in is formed between inner sleeve and tank body.
7. immersion circulating biological filter tank according to claim 1 reactor, it is characterized in that, be provided with water inlet pipe in described tank body, water inlet pipe is connected with water-in, water inlet pipe go out mouth down.
8. immersion circulating biological filter tank according to claim 1 reactor, it is characterized in that, described water outlet is the crest of weir being positioned at tank body upper end.
9. immersion circulating biological filter tank according to claim 8 reactor, it is characterized in that, described crest of weir is Height Adjustable crest of weir.
10. immersion circulating biological filter tank according to claim 1 reactor, is characterized in that, the material of described tank body is stainless steel.
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| CN201520473762.3U CN204981335U (en) | 2015-06-30 | 2015-06-30 | Submergence formula circulation biological filter reactor |
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| CN201520473762.3U CN204981335U (en) | 2015-06-30 | 2015-06-30 | Submergence formula circulation biological filter reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925948A (en) * | 2015-06-30 | 2015-09-23 | 重庆云图工程技术有限公司 | Immersed circulating biofilter reactor and sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925948A (en) * | 2015-06-30 | 2015-09-23 | 重庆云图工程技术有限公司 | Immersed circulating biofilter reactor and sewage treatment method |
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