CN103755101A - Assembled sequencing batch fluidized bed sewage treatment equipment and process - Google Patents
Assembled sequencing batch fluidized bed sewage treatment equipment and process Download PDFInfo
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- CN103755101A CN103755101A CN201410027647.3A CN201410027647A CN103755101A CN 103755101 A CN103755101 A CN 103755101A CN 201410027647 A CN201410027647 A CN 201410027647A CN 103755101 A CN103755101 A CN 103755101A
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Abstract
The invention discloses assembled sequencing batch fluidized bed sewage treatment equipment. The equipment comprises a shell and is characterized in that the shell is an assembled tank body; an umbrella-shaped inner shell is arranged inside the shell; the interior of the umbrella-shaped inner shell is a reaction zone; a settling zone is arranged between the shell and the umbrella-shaped inner shell; suspended fillers suspend in the reaction zone; an aeration device is arranged at the bottom of the reaction zone; a filler isolating net is arranged between the reaction zone and the settling zone; the reaction zone is connected with a water inlet pipe; a water outlet pipe is arranged at the upper part of the shell; a water decanter is arranged in the settling zone; a water outlet of the water decanter is connected with the water outlet pipe. The invention also comprises a process for treating sewage by adopting the equipment. The sewage treatment equipment and the sewage treatment process have the advantages of short construction cycle, investment saving, low energy consumption, low operating cost, strong impact resistance load capacity, good treatment effect, strong nitrogen and phosphorus removal capacity, convenience in operation management, high degree of automation, no noise, flexible assembly and the like.
Description
Technical field
The present invention relates to sewage treatment area, particularly a kind of piecing assembly order is criticized fluidized-bed sewage disposal device and technique.
Background technology
Along with improving constantly of economic fast development and living standards of the people, industrial and agricultural production, domestic consumption and total amount of pollutants discharged constantly increase, particularly in small towns and rural area, annual have a large amount of sewage to produce, and because water source disperses, pipe network lays that difficulty is large, practitioner's state of the art and reason the makes small towns such as level of management are low and rural sewage treatment rate low, sewage disposal difficulty is large, therefore must suit measures to local conditions, seek economy, efficient, the energy-conservation and easy sewage disposal solution of going of convenient operation and management.
The advantages such as sequence batch (intermittent aeration activated sludge process is simple with its technical process, floor space is little, anti impulsion load ability is strong, cause extensive attention both domestic and external and research, are specially adapted to process small towns and country sewage.Yet present stage, traditional sequence batch (technique also had some limitations in application,, also there is the problem that sludge bulking easily occurs in the shortcomings such as poor denitrification and dephosphorization effect, effluent quality are not good as existed, energy consumption is high, fluctuation of service.In addition, the conventional steel reinforced concrete pool of traditional bio-reactor or steel structural tank body.Steel reinforced concrete pool complicated construction technique, the cycle is long, structure design is loaded down with trivial details, cost is high, is not too applicable to middle-size and small-size sewage treatment project; And during welding for steel structure tank body site welding, construction quality is difficult to guarantee, and antiseptic property is poor, work-ing life is short, Chi Rong little, these have all limited the application of bio-reactor.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of construction period short, reduce investment outlay, energy consumption is low, the piecing assembly order that running cost is low, anti impulsion load ability is strong, treatment effect good, denitrogenation dephosphorizing ability is strong is criticized fluidized-bed sewage disposal device and technique.
For achieving the above object, technical scheme proposed by the invention is: a kind of piecing assembly order is criticized fluidized-bed sewage disposal device, comprise shell, it is characterized in that: described shell is piecing assembly tank body, described enclosure is provided with a umbrella inner casing, and described umbrella inner casing inside is reaction zone, between shell and umbrella inner casing, it is settling region, described reaction zone inner suspension has floating stuffing, and bottom, reaction zone is provided with aerating apparatus, is provided with filler filter between described reaction zone and settling region; Described reaction zone connects water inlet pipe, and shell upper is provided with a rising pipe, is provided with one and strains hydrophone in described settling region, strains hydrophone water outlet and connects rising pipe.
Preferably, described floating stuffing is composed of the following components by weight percentage: high density polyethylene(HDPE) or polypropylene 80%-90%, coupling agent 1%-3%, inorganic carbon material 3%-10%, antioxidant 1%-3%, nutrition agent 2%-6%, hydrophilizing agent 3%-8%.
Preferably, described coupling agent is one or both mixtures in metatitanic acid fat, aluminic acid lipoprotein, for improving the mobility of raw material, makes each component of raw material closely be connected to form an integral body simultaneously; Described inorganic carbon material is one or more mixtures in gac, graphite, carbon black, carbon nanofiber, for increasing filling surface characteristic, increases specific surface area; Described antioxidant is one or more mixtures in antioxidant 1010, antioxidant 1076, oxidation inhibitor TPP, for improving the corrosion resistance of filler, extends filler work-ing life; Described nutrition agent is one or more mixtures in bagasse, starch, chitosan, xylogen, chitin, for the nutrition of microorganism early growth is provided; Described hydrophilizing agent is one or both mixtures in polyvinyl alcohol, polyacrylate, for improving the wetting ability of filler.
Preferably, described water inlet pipe water side is provided with the dispersion device to the diffusion of having intake.
Preferably, described aerating apparatus comprises heavy Water fan, aerating pipelines and is installed on the aerator on aerating pipelines, and described bottom, reaction zone is provided with a pedestal, and heavy Water fan is located on aerating apparatus, described aerating pipelines connects heavy Water fan, and is distributed in heavy Water fan surrounding.
Preferably, described aerator is rotational flow aeration device.
Preferably, described heavy Water fan is provided with annular mud drainage slot around, and bottom, reaction zone is provided with slope, the oblique annular mud drainage slot in described slope, described outer casing bottom is provided with a groove, and groove is provided with shore pipe, and annular mud drainage slot has the gradient tilting to groove.
Preferably, described shell side approaches place, bottom manhole is installed.
Preferably, described shell is assembled by steel plate, and the inside and outside two sides of steel plate scribbles two to three layers of corrosion protection coating.
The present invention also comprises a kind of sewage treatment process, it is characterized in that: adopt above-mentioned piecing assembly order to criticize the sewage disposal of carrying out of fluidized-bed sewage disposal device.
Adopt technique scheme, piecing assembly order of the present invention is criticized fluidized-bed sewage disposal device and is used the sewage treatment process of this equipment, and the beneficial effect having is:
1) construction period is short: piecing assembly order is criticized fluidized-bed sewage disposal device and adopted piecing assembly tank body, assembled tank steel plate connects completely with bolts, install simple, installation process is subject to weather effect little, and installation period is easily controlled, greatly shorten than the construction period in steel reinforced concrete pool and steel construction pond;
2) reduce investment outlay: adopt piecing assembly tank body, saved construction investment; Meanwhile, adopt heavy Water fan to save air blast machine room, greatly reduced tubing system, thereby saved extra investment;
3) energy consumption is low, running cost is low: adopt heavy Water fan aeration and form spiral-flow aeration, bubble is constantly sheared and is collided, increased the contact area of bubble and sewage, mass-transfer efficiency and the utilization ratio of oxygen have been improved, thereby this aeration mode improved whole aeration effect, thereby save energy consumption, the corresponding minimizing of running cost;
4) anti impulsion load ability is strong: the specific surface area that floating stuffing is huge make in unit volume can enrichment biomass higher, sharp impacts between carrier granule during carrier fluidisation simultaneously, biofilm surface is constantly updated, microorganism, all the time in the vigorous state of growing, can effectively disperse the fluctuation of influent quality;
5) treatment effect is good: during aeration, filler is in fluidized state, and under the effect of umbrella inner casing, form eddy flow in reactor, this makes active sludge in reactor and the microbial film of carrier surface growth be contacted fully with waste water, air, has improved treatment effect;
6) denitrogenation dephosphorizing ability is strong: because floating stuffing specific surface area is large, surface property is good, not only for heterotrophic microorganism growth provides space, created condition for the growth of autotrophic type microorganism (as nitrobacteria) simultaneously, be conducive to the enrichment of dominant bacteria, solved the mud contradiction in age of denitrogenation dephosphorizing, the fluidisation of adding filler makes microbial film fully be contacted with waste water, air, has improved Nitrogen/Phosphorus Removal;
7) operational management is convenient: without manual control F/M and MLSS, solved the ubiquitous sludge bulking of Activated Sludge Process, sludge loss problem, operational management is more convenient;
8) level of automation is high: piecing assembly order is criticized fluidized-bed sewage disposal and combined the spider web intelligent control system that I take charge of independent research, embedded whole process comprehensive controling algorithm, and level of automation is high;
9) noiseless: heavy Water fan is arranged under water, has avoided the noise problem of general gas blower; Impeller adopts high degree of accuracy rotor structure simultaneously, and noise and vibration is all very little;
10) device flexibly: pond type flexible design, can adopt multiple pond type (dark, shallow, side, circle all can); Can select flexibly different media-filling rates, reach and promote processing power and treatment effect, thereby reach, take into account efficiently with expansion treatment scale at a specified future date and without the requirement that increases pond appearance; Because assembled tank body is to be spliced with bolt completely, we can remove tank body or reset after building up operation, can accomplish at an easy rate dilatation and the migration of tank body.
Accompanying drawing explanation
Fig. 1 is that a kind of piecing assembly order of the present invention is criticized fluidized-bed sewage disposal device schematic diagram;
Fig. 2 is aerating pipelines of the present invention, filler filter vertical view.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1 and Figure 2, a kind of piecing assembly order is criticized fluidized-bed sewage disposal device, comprises shell 1, and shell 1 is piecing assembly tank body, assembled by steel plate, and the inside and outside two sides of steel plate scribbles two to three layers of corrosion protection coating; Shell 1 inside is provided with a umbrella inner casing 2, umbrella inner casing 2 inside are reaction zone 3, and 2 of shell 1 and umbrella inner casings are settling region 4, and described reaction zone 3 inner suspensions have floating stuffing 5,3 bottoms, reaction zone are provided with aerating apparatus 6, and 4 of reaction zone 3 and settling regions are provided with filler filter 7; Reaction zone 3 connects water inlet pipe 101, and shell 1 top is provided with a rising pipe 102, is provided with one and strains hydrophone 8 in settling region 4, strains hydrophone 8 water outlets and connects rising pipe 102.
In addition, water inlet pipe 101 water sides are provided with the dispersion device 1011 to the diffusion of having intake; Aerating apparatus 6 comprises heavy Water fan 60, aerating pipelines 61 and is installed on the aerator 62 on aerating pipelines 61, bottom, reaction zone is provided with a pedestal 63, heavy Water fan 60 is located on aerating apparatus 6, described aerating pipelines 61 connects heavy Water fan 60, and being distributed in heavy Water fan 60 surroundings, aerator 62 is preferably rotational flow aeration device.
Preferably, described heavy Water fan 60 is provided with annular mud drainage slot 103 around, 3 bottoms, reaction zone are provided with slope 104, the oblique annular mud drainage slot 103 in described slope 104, described shell 1 bottom is provided with a groove 106, groove 106 is provided with shore pipe 105, and annular mud drainage slot 103 has the gradient tilting to groove 106; Shell 1 side approaches place, bottom manhole 107 is installed.
Preferably, described floating stuffing is composed of the following components by weight percentage: high density polyethylene(HDPE) or polypropylene 80%-90%, coupling agent 1%-3%, inorganic carbon material 3%-10%, antioxidant 1%-3%, nutrition agent 2%-6%, hydrophilizing agent 3%-8%; Described coupling agent is one or both mixtures in metatitanic acid fat, aluminic acid lipoprotein, for improving the mobility of raw material, makes each component of raw material closely be connected to form an integral body simultaneously; Described inorganic carbon material is one or more mixtures in gac, graphite, carbon black, carbon nanofiber, for increasing filling surface characteristic, increases specific surface area; Described antioxidant is one or more mixtures in antioxidant 1010, antioxidant 1076, oxidation inhibitor TPP, for improving the corrosion resistance of filler, extends filler work-ing life; Described nutrition agent is one or more mixtures in bagasse, starch, chitosan, xylogen, chitin, for the nutrition of microorganism early growth is provided; Described hydrophilizing agent is one or both mixtures in polyvinyl alcohol, polyacrylate, for improving the wetting ability of filler.
In addition, the electrical control system that piecing assembly order is criticized fluidized-bed sewage disposal device preferably adopts the spider web intelligent control system of the applicant's independent research, this spider web intelligent control system the applicant has applied for Chinese utility model patent, the patent No. is ZL201220654418.0, this intelligent control system is with PLC controller, computer, the hardware such as UPS are basis, embedded being applicable at the simple and effective control algolithm of PLC operation and the whole process comprehensive controling algorithm of operation on computers, and set up the coordination system of Multistage Control, utilize fault detection algorithm to realize the dynamic switching of control strategy, the safe and stable operation of assurance equipment.
The present invention also comprises a kind of sewage treatment process, it is characterized in that: adopt above-mentioned piecing assembly order to criticize the sewage disposal of carrying out of fluidized-bed sewage disposal device; Concrete, in sewage treatment process, the aeration mode in aerating apparatus adopts intermittent aeration, forms successively anaerobism, anoxic, aerobic three kinds of biochemical environment and completes organic removal and denitrogenation dephosphorizing process in waste water; In aeration process, filler is in complete fluidized state, impact due to rotational flow aeration device and umbrella inner casing, in diffusing opening both sides, form by the eddy flow turning in outer, active sludge in reactor and the microbial film of carrier surface growth are contacted more fully with waste water, air, organism is thoroughly degraded, eddy flow makes sharp impacts between carrier granule simultaneously, biofilm surface is constantly updated, and microorganism, all the time in the vigorous state of growing, has been improved processing efficiency greatly.After biochemical reaction is complete, carry out mud-water separation, the supernatant liquor after precipitation is discharged from rising pipe by straining hydrophone, and the mud in primary precipitate district is just precipitated to reactor bottom by the flow guiding slit between inside and outside shell, and excess sludge is just regularly discharged by bottom groove.
It should be noted that, under the aeration effect of heavy Water fan and rotational flow aeration device, in the body of pond, gas-liquid mixed rising, form the intracardiac eddy flow turning in lateral.In the process of gas-liquid rising and eddy flow, bubble is cut layer by layer, forms small bubbles, has increased the contact area of bubble and sewage, has extended the residence time that gas ducks in drink, and has improved oxygen transfer efficiency and utilization ratio.In sum, this heavy Water fan spiral-flow aeration mode has not only guaranteed the homogeneity of pond body aeration, and has improved whole aeration efficiency, has saved energy consumption.
Embodiment
With certain town sewage, be treated to example, adopt order of the present invention to criticize fluidized-bed sewage disposal device and technique is processed, under normal operation, the Inlet and outlet water water quality situation of two sub-samplings sees the following form; Wherein embodiment 1 is identical with the water inlet sample of embodiment 2, embodiment 3 and embodiment 4, and difference is that embodiment 1, embodiment 3 adopt common floating stuffing, and embodiment 2 and embodiment 4 adopt the preferred floating stuffing of the present invention.
As can be seen from the above table, adopt this equipment and technique to carry out sewage disposal, no matter be adopt common floating stuffing or adopt floating stuffing disclosed by the invention, effluent quality reaches the one-level A standard in < < urban wastewater treatment firm pollutant emission standard > > GB18918-2002 completely, and adopt floating stuffing disclosed by the invention, effluent quality is better.Adopt technology and equipment of the present invention to process small towns and country sewage, the running cost of sewage disposal is 0.25 yuan/ton of water, and running cost is compared other similar techniques and greatly reduced, and has saved working cost.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present invention that appended claims limits; in the form and details the present invention is made a variety of changes, be protection scope of the present invention.
Claims (10)
1. a piecing assembly order is criticized fluidized-bed sewage disposal device, comprise shell, it is characterized in that: described shell is piecing assembly tank body, described enclosure is provided with a umbrella inner casing, described umbrella inner casing inside is reaction zone, between shell and umbrella inner casing, is settling region, and described reaction zone inner suspension has floating stuffing, bottom, reaction zone is provided with aerating apparatus, is provided with filler filter between described reaction zone and settling region; Described reaction zone connects water inlet pipe, and shell upper is provided with a rising pipe, is provided with one and strains hydrophone in described settling region, strains hydrophone water outlet and connects rising pipe.
2. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described floating stuffing is composed of the following components by weight percentage: high density polyethylene(HDPE) or polypropylene 80%-90%, coupling agent 1%-3%, inorganic carbon material 3%-10%, antioxidant 1%-3%, nutrition agent 2%-6%, hydrophilizing agent 3%-8%.
3. a kind of piecing assembly order according to claim 2 is criticized fluidized-bed sewage disposal device, it is characterized in that: described coupling agent is one or both mixtures in metatitanic acid fat, aluminic acid lipoprotein; Described inorganic carbon material is one or more mixtures in gac, graphite, carbon black, carbon nanofiber; Described antioxidant is one or more mixtures in antioxidant 1010, antioxidant 1076, oxidation inhibitor TPP; Described nutrition agent is one or more mixtures in bagasse, starch, chitosan, xylogen, chitin; Described hydrophilizing agent is one or both mixtures in polyvinyl alcohol, polyacrylate.
4. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described water inlet pipe water side is provided with the dispersion device to the diffusion of having intake.
5. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described aerating apparatus comprises heavy Water fan, aerating pipelines and is installed on the aerator on aerating pipelines, described bottom, reaction zone is provided with a pedestal, heavy Water fan is located on aerating apparatus, described aerating pipelines connects heavy Water fan, and is distributed in heavy Water fan surrounding.
6. a kind of piecing assembly order according to claim 5 is criticized fluidized-bed sewage disposal device, it is characterized in that: described aerator is rotational flow aeration device.
7. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described heavy Water fan is provided with annular mud drainage slot around, bottom, reaction zone is provided with slope, the oblique annular mud drainage slot in described slope, described outer casing bottom is provided with a groove, groove is provided with shore pipe, and annular mud drainage slot has the gradient tilting to groove.
8. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described shell side approaches place, bottom manhole is installed.
9. a kind of piecing assembly order according to claim 1 is criticized fluidized-bed sewage disposal device, it is characterized in that: described shell is assembled by steel plate, and the inside and outside two sides of steel plate scribbles two to three layers of corrosion protection coating.
10. piecing assembly order is criticized fluidized-bed sewage disposal device and a technique, it is characterized in that: the piecing assembly order described in the arbitrary claim of employing claim 1-9 is criticized the sewage disposal of carrying out of fluidized-bed sewage disposal device.
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| CN201410027647.3A CN103755101A (en) | 2014-01-21 | 2014-01-21 | Assembled sequencing batch fluidized bed sewage treatment equipment and process |
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| CN201410027647.3A CN103755101A (en) | 2014-01-21 | 2014-01-21 | Assembled sequencing batch fluidized bed sewage treatment equipment and process |
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Cited By (2)
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| CN105016583A (en) * | 2015-07-23 | 2015-11-04 | 李华 | Tower type integration sewage treatment device used for sewage treatment |
| CN105152465A (en) * | 2015-07-23 | 2015-12-16 | 李华 | Tower type integrated treatment device for sewage treatment |
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Address after: 101, 17, 102, Xiang Yue Road, 361000 torch hi tech Zone (Xiangan) Industrial Zone, Fujian, Xiamen Applicant after: XIAMEN VISBE MEMBRANE TECHNOLOGY CO., LTD. Address before: 101, 17, 102, Xiang Yue Road, 361000 torch hi tech Zone (Xiangan) Industrial Zone, Fujian, Xiamen Applicant before: Xiamen Visbe Membrane Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: XIAMEN VISBE FILM TECHNOLOGY CO., LTD. TO: VISBE (XIAMEN) ENVIRONMENTAL TECHONLOGY CO., LTD. |
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Application publication date: 20140430 |