CN104030442A - Integral domestic sewage treatment equipment - Google Patents

Integral domestic sewage treatment equipment Download PDF

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CN104030442A
CN104030442A CN201410296519.9A CN201410296519A CN104030442A CN 104030442 A CN104030442 A CN 104030442A CN 201410296519 A CN201410296519 A CN 201410296519A CN 104030442 A CN104030442 A CN 104030442A
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water
tank body
sewage
sewage treatment
aquaporin
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CN104030442B (en
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张军
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Port Of Chongqing Force Environment Science And Technology Ltd
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Port Of Chongqing Force Environment Science And Technology Ltd
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Abstract

The invention belongs to the field of sewage treatment equipment, and discloses integral domestic sewage treatment equipment. The equipment comprises a tank body and also comprises an equipment zone, wherein the interior of the tank body is divided into a feed water hydrolyzing area, an aerobic area and a settling area. The equipment is characterized in that the equipment zone is arranged outside the tank body, the feed water hydrolyzing area comprises a water passage circling the interior of the tank body, the aerobic area and the settling area are arranged at the water pipeline, a submersible sewage pump and an aerating apparatus are arranged at the middle bottom part of the aerobic area, and a convey port of the submersible sewage pump is communicated with the water feed end of the water passage through a pipeline. The structural design of the tank body is more scientific and reasonable, so that the equipment has a better sewage treatment effect, is more efficient, saves more energy, and is simple and convenient to maintain by adopting the tank body of the same volume. Furthermore, the invention also provides a use method of the integral domestic sewage treatment equipment, which is characterized by comprising a step of treating the sewage with the integral domestic sewage treatment equipment.

Description

Integrated domestic sewage treatment device
Technical field
The invention belongs to sewage disposal device field, be specifically related to a kind of integrated domestic sewage treatment device, the invention still further relates to a kind of using method for integrated domestic sewage treatment device simultaneously.
 
Background technology
Sanitary sewage includes various bath wateies, sewage and the ight soil etc. in urban life, mostly be nontoxic inorganic salts, comparison of ingredients is fixed, mainly contain the organism such as carbohydrate, protein, amino acid, fat, relatively be applicable to the growth of bacterium, virus and there is certain fertilizer efficiency, can be used to irrigated farmland.Simultaneously, in sanitary sewage, the plant nutrient substance such as nitrogen, phosphorus content is more, easily cause the eutrophication of water body, one of primary pollution source of water body, therefore after need processing and make it up to standard sanitary sewage, could be disposed in rivers and lakes and be gone, thereby be overcome the water pollution causing because of sanitary sewage.
Nowadays, along with China's urban population increases fast, cities and towns water requirement also increases progressively thereupon.Expect 2015, China cities and towns year water requirement will meet the demands but existing water supply level is more difficult more than being increased to 6500 billion cubic meters.Yet, relevant statistic data shows, the sanitary sewage amount that discharge per capita every day in China city be 150 to 400L(should measure and standard of living closely related), if better sanitary sewage is processed and recycled, just can alleviate the problem of shortage of water resources.Based on this, " 18 Third Plenary Sessions of party " planning and relevant spirit propose, and by 2015, sanitary sewage disposal rate in National urban will reach more than 85%.But be implemented to this target, China also needs nearly thousand of newly-increased sewage works, and gross investment is up to hundred billion yuan.In addition, the investment of corresponding supporting pipeline network construction and original Sewage Plant reorganization and expansion expense are also very huge, and original sewage work working cost and maintenance expense higher.The use of above-mentioned expense certainly will cause certain economical load to China's finance.Therefore, Sewage treatment systems need to change to middle and small scale distributing from extensive centralized, utilize fully funds lying idle in society, the layout that forms " take large-scale as main; middle-size and small-size complementation " is to tally with the national condition and development situation, this also the application and development of integrated domestic sewage treatment device new opportunity is provided.
At present, in prior art, notification number is CN 203513441 U(day for announcing 2014.04.02) utility model patent, disclosed a kind of improved integrated embrane method regeneration effluent device, it is characterized in that: comprise tank body, in described tank body, be provided with successively acidication anaerobic reation pool, aeration tank, membrane filtration pond, regeneration pond, described membrane filtration pond is provided with one the water cycle after aeration and uf processing is back to the return line of acidication anaerobic reation pool.Above-mentioned improved integrated embrane method regeneration effluent device, the beneficial effect having is: floor space is little: compare province with conventional regeneration treatment process and be greater than 50%; Treatment scheme is short: compare with traditional technology and save precipitation, filter link; Efficient energy-saving: compare with conventional regeneration treatment process and be energy-conservationly greater than 50%; Dephosphorization and denitrification effect is good: sludge age is long, is conducive to nitrifiers and denitrifiers growth; Sewage by processing through aerobic nitrification, is back to acidication anaerobic reation pool, has improved the effect of sewage denitrification, is conducive to the removal of nitrogen in sewage, improves effluent quality.
Separately exist, notification number is the utility model patent of CN201362632Y, disclosed a kind of wastewater treatment and reuse integrated apparatus, be provided with battery limits, itself and aerobic area, aerobic and membrane filtration district and clear water zone are integrated in a membrane biological reaction tank body, by baffle for separating, be four separate subregions, aerobic area, the aerobic and matching used electric installation in membrane filtration district and clear water zone and system control module concentrated setting are in battery limits.Only need comprise that the installation on energising, water flowing, laying basis can move, and can shorten Sewage Treatment Project construction period at the scene; Single independently battery limits are set, are convenient to overhaul of the equipments and maintenance, reduce operation noise, be conducive to realize stdn, the seriation of sewage disposal device; And adopt PLC control module and GPRS control module, and can realize unmanned and remote dynamic monitoring, convenient management, and automatic controlling level is high, and simple to operate; The sewage disposal stable water outlet GB18920-2002 that is up to state standards, can Reuse on Environment, the life such as flush the toilet uses mixedly.
But the technical scheme of above-mentioned improved integrated embrane method regeneration effluent device and wastewater treatment and reuse integrated apparatus, all there is following weak point: its tank interior is along length of tank direction (referring to its accompanying drawing 1) from left to right, be divided into and be provided with aerobic area (with acidication anaerobic reation pool), aerobic and membrane filtration district (with aeration tank and membrane filtration pond), battery limits, the structure of the four-part form of clear water zone (with regeneration pond), battery limits are wherein arranged in tank field, taken the internal space of tank body, reduced in tank body for carrying out the space (having reduced sewage treatment capacity) of sewage disposal, caused the waste in tank body space.Meanwhile, because length of tank direction is because being provided with behind battery limits, just shorten effluent stream through carrying out the length in sewage disposal region, reduced the effect of water treatment.In addition, in the technical scheme of above-mentioned improved integrated embrane method regeneration effluent device and wastewater treatment and reuse integrated apparatus, adopt the mode of membrane filtration and adopt lifting water pump to be promoted to clear water zone (with regeneration pond), and be also provided with another water pump for the back flushing of film, will cause higher power consumption like this.
Also for example, notification number is CN 101704614 B(day for announcing 2012.08.01) patent of invention, disclosed a kind of integrated waste water treating tank, comprise treatment tank, the both sides of this treatment tank are respectively equipped with sewage import and clear water output, and its inner chamber is divided into grid filter screen chamber according to flow direction by baffle plate, active sludge anaerobic room, four chambers in biochemical degradation chamber and clear water zone, the connection of these four chambers adopts the mode of bottom in and top out, the indoor tilting grid filter screen that has of grid filter screen wherein, in active sludge anaerobic room, be hung with several combined stuffing strings, throw in bottom active sludge, indoor several combined stuffing strings that is hung with of biochemical degradation.Above-mentioned integrated waste water treating tank takes water-in to arrange higher than the mode of water outlet, utilize water body liquid-level pressure poor, nature is intake, water outlet to rely on water body self gravitation to flow, there is cost low, technique is simple, flexible for installation, energy consumption, can buried not land occupation, need not power-lift, without personal management, maintenance, water quality after treatment can reach < < agricultural irrigation water quality standard > >, is applicable to the integrated waste water treating tank of rural area one family one use.
But above-mentioned integrated waste water treating tank, the deficiency having is: in this technical scheme, tank body front end place (feed-water end place) is provided with grid filter screen chamber, can carry out net to large particulate matter impurity such as the suspended substance in sewage etc. catches, but after certain hour, the porthole that need be arranged at by opening tank body top skims the large particulate matter impurity such as above-mentioned suspended substance from grid filter screen, in order to avoid form, stop up and follow-up water treatment is impacted.So just virtually, increased staff's maintenance workload., because of also, because of the setting of grid filter screen chamber, reduced in tank body for carrying out the length in sewage disposal region meanwhile, equally the lifting of sewage disposal has been caused to certain effect.In addition, in this tank body, also along length of tank direction, be also provided with from front to back active sludge anaerobic room, biochemical degradation chamber and clear water zone, wherein, active sludge anaerobic room water surface top also has space, and on the tank body directly over it, be also provided with porthole, in this active sludge anaerobic room, still can there be a certain amount of oxygen like this, be unfavorable for the growth and breeding of denitrifying bacterium (anaerobic type), and then anti-nitration reaction in active sludge anaerobic room is impacted.Moreover, it after active sludge anaerobic room, is biochemical degradation chamber, but in this biochemical degradation chamber, be difficult to carry out aerobic nitrification reaction treatment, so also just cannot make nitration reaction that organonitrogen is resolved into ammonia nitrogen, further form again nitric nitrogen and nitrite nitrogen and promote anti-nitration reaction (active sludge anaerobic room), therefore the removal of nitrogen is poor in sewage, be difficult to guarantee effluent characteristics.Therefore the technical scheme of this integrated waste water treating tank is more unreasonable, be difficult to obtain desirable wastewater treatment efficiency.
To sum up, the weak point that the integrated domestic sewage treatment device of prior art has is:
1, tank interior spatial placement is more unreasonable, has not only affected wastewater treatment efficiency, has also limited the lifting of sewage treating efficiency.
2, in tank body, need staff to carry out periodic cleaning maintenance to it, increased staff's maintenance workload.
3, after employing biofilm filtration sewage, adopt water pump that water extraction is risen to clear water zone, this process need is used electric energy, and then has improved use cost.
Therefore applicant considers to design a kind of integrated domestic sewage treatment device, make its structure more scientific and reasonable, and can be to make its wastewater treatment efficiency better with isometric tank body, more efficient, more energy-conservation, maintenance is got up easier.
 
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide a kind of structure more scientific and reasonable, and can be to make its wastewater treatment efficiency better with isometric tank body, more efficient, more energy-conservation, safeguard easier integrated domestic sewage treatment device.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
An integrated domestic sewage treatment device, comprises that integral level arranges and be the tank body of long tubular; On described tank body, be provided with water-in and water outlet, described water-in is positioned at the front top position of described tank body, and described water outlet is positioned at the rear end of described tank body and lower than described water-in; In described tank body, every dividing, be formed with into water hydrolysis area, aerobic zone and settling region; Also comprise battery limits;
It is characterized in that: it is outside that described battery limits are arranged at described tank body;
Described water inlet hydrolysis area comprises by surrounding between polylith the first dividing plate and tank body and around the aquaporin of crossing of tank interior one week; Described aerobic zone and settling region are positioned at the described interior volume that aquaporin surrounds of crossing, and are provided with one perpendicular to length of tank direction second partition between this aerobic zone and settling region;
Described cross in aquaporin and be positioned at described tank body front end place be fixedly installed the 3rd dividing plate and be separated to form described feed-water end and the water side of crossing aquaporin; The described feed-water end of crossing aquaporin is communicated with water-in, and the described water side of crossing aquaporin is communicated with described aerobic zone;
Bottom, described aerobic zone be provided with aerating apparatus and and submersible sewage pump, the inlet end of described aerating apparatus is connected with the air feed port of aerator in described battery limits, the delivery port of described submersible sewage pump is connected with the feed-water end of described mistake aquaporin by pipeline; In described aerobic zone, be hung with several filler strings;
Also comprise the first sluice groove being fixedly installed on described second partition, described the first sluice groove is positioned at the upper level of described aerobic zone one side lower than the height of described water-in, and described the first sluice groove is communicated with the bottom of described settling region by pipeline;
The rear end of described settling region is communicated with described water outlet and passes through this water outlet water outlet.
In integrated domestic sewage treatment device of the present invention, the water-in place end of take is front end, with Duan Wei rear end, water outlet place.Because of battery limits, to be arranged at described tank body outside, so just can reduce carry out the taking of space of biochemical reaction in tank body for sewage, and help tank interior is carried out biochemical reaction more fully, thereby obtains better wastewater treatment efficiency.
Again because of, described water inlet hydrolysis area comprises by surrounding between polylith the first dividing plate and tank body and around the aquaporin of crossing of tank interior one week, cross and in aquaporin, be hung with several filler strings, not only can farthest extend like this length of water inlet hydrolysis area self, impel in water hydrolysis area and can carry out anti-nitration reaction more fully; Meanwhile, can also reduce water inlet hydrolysis area to the taking of length of tank director space, thereby be that other follow-up technique is reserved the space of biochemical reaction (or length) more fully, make the internal structure of tank body more scientific and reasonable.
Also because of, aerobic zone and settling region are positioned at the described interior volume that aquaporin surrounds of crossing, and are provided with one perpendicular to length of tank direction second partition between this aerobic zone and settling region; Bottom, described aerobic zone be provided with aerating apparatus and and submersible sewage pump, the inlet end of described aerating apparatus is connected with the air feed port of aerator in described battery limits, the delivery port of described submersible sewage pump is connected with described mistake aquaporin by pipeline; In aerobic zone, be hung with several filler strings, so just make capable of circulation being back to into water hydrolysis area of sewage in aerobic zone, and make to flow through from water inlet hydrolysis area to the sewage of aerobic zone and form " anaerobism-anoxic-aerobic " environment, for the organism (denitrogenation) of removing in sewage creates favorable conditions.The process of the organism (denitrogenation) in concrete removal water is as follows: because adopting continuous aeration mode in aerobic zone, under aerobic conditions, aerobic bacteria is by the vital movement of self, the oxidation operation absorbing is decomposed into simple inorganics (carbonic acid gas, water and ammonia etc.) and emit energy, maintain its vital movement, and the new tenuigenin of another part organic synthesis is produced to more microorganism, in a part of microbial cell matter of microorganism growth while, also in oxidized (endogenous respiration), give off energy simultaneously, when organism is sufficient, tenuigenin is synthetic in a large number, endogenous respiration is not obvious, when organism is seldom time, microorganism is in the endogenous respiration stage, make in sewage organic pollutant degradation comparatively thorough, tail water organic content after processing seldom, assurance effluent quality is up to standard.And the submersible sewage pump arranging by bottom, aerobic zone can be by sewage backflow to the hydrolysis area that intakes, and the sewage of backflow and the sewage newly entering fully mix, and make the DO(dissolved oxygen of mixing region, the abbreviation of dissolved oxygen) can reach 1-4mg/L.Sewage, from water inlet hydrolysis area to the flowing through process of aerobic zone, is followed into the structure of water hydrolysis area and the aerobic respiration of microorganism DO is constantly declined thereupon, until 0-0.5mg/L, thereby realizes the environment of above-mentioned " anaerobism-anoxic-aerobic ".Under aerobic condition, the microbial film generating on filler string is decomposed into ammonia nitrogen by organonitrogen, further form again nitric nitrogen and nitrite nitrogen, under anaerobic, due to constantly entering of new sewage, enough carbon sources are provided, impel carrying out smoothly of anti-nitration reaction, and above-mentioned nitric nitrogen and nitrite nitrogen are changed into nitrogen and overflow the water surface, thereby reach the object of denitrogenation.In the present invention, can farthest extend the length of water inlet hydrolysis area (carrying out anti-nitration reaction) and aerobic zone (carrying out nitration reaction), thereby can maximize, extend the time that the biochemical reaction of sewage in water inlet hydrolysis area and aerobic zone processed, improve effect and the efficiency of sewage disposal.In addition, sewage is all to rely on the gravity of water to complete flowing of tank interior, therefore can save electric energy.In sum, the present invention can be to make its sewage disposal more efficient, more energy-conservation with isometric tank body.
As preferably, described mistake in aquaporin is evenly arranged at intervals with polylith partition along in described length of tank section, and wherein, every partition end has the breach that a water supply stream passes through, and the breach of adjacent partition is for being mutually inverted and can forming the flow shape of S shape.
Implement after such scheme, the setting of polylith partition, not only can play the effect (strengthening the structural strength of tank body integral body) of strengthening fin, can also form " flow shape of S shape ", and " flow shape of S shape " can reduce the degree of mud-water separation, make sewage wherein and filler string between more fully and carry out biochemical reaction, can also extend the distance (further extending the wherein time of anti-nitration reaction) that sewage passes through in water inlet hydrolysis area, thereby obtain better sewage disposal (denitrogenation) effect.
As improvement, also comprise the exhalant region that is arranged at tank interior, described exhalant region, between described settling region and tank body rear end, and is provided with one perpendicular to the 4th dividing plate of described length of tank direction between this exhalant region and settling region;
On described the 4th dividing plate, be fixedly installed the second sluice groove, on described the second sluice groove, be positioned at the upper level of described settling region one side lower than the height of described water outlet;
Position in described exhalant region between described water outlet and tank base has also been horizontally disposed with one deck dividing plate, dividing plate below is fixedly installed a filtering layer, also comprise at least one thrust-augmenting nozzle, the upper end of described thrust-augmenting nozzle is communicated with described the second sluice groove, lower end is inserted and secured in described filtering layer, is also provided with for the water stream channel gushing on current between described dividing plate and the inwall of exhalant region.
Compared to water in prior art, after filtering layer filters, directly discharge from top to bottom, make the water that filters link almost without standing stop process, and then be difficult to further staticly settle.But implemented after above-mentioned improvement, after the water of settling region first flows into filtering layer and filters, the cavity that is arranged in described filtering layer bottom in inflow exhalant region converges also standing, along with the water in exhalant region constantly converges, the water surface slowly rises and on water stream channel, influxs the cavity that is positioned at described filtering layer top in exhalant region, by water outlet water outlet, in this process, water after filtering layer can also continue standing, thereby water can further be clarified, improve water outlet indices, and can make water outlet indices can reach < < urban wastewater treatment firm pollutant emission standard > > (GB18918-2002) first grade discharging B standard.
As improvement, also comprise back flushing rising pipe, the upper end of described back flushing rising pipe is inserted and secured in described filtering layer, and it is outside that described tank body is extended in lower end; And at described back flushing rising pipe, extend on the pipeline section of described tank body outside and be provided with valve.
Realize after such scheme, so just do not need to use water pump, only need to open valve, can utilize the gravity of the cavity water self that is positioned at described filtering layer top in exhalant region to realize the back flushing of filtering layer, operate very convenient, meanwhile, use that can also saves energy, energy saving economy, reduces the working cost of this integrated domestic sewage treatment device.
As improvement, described battery limits are wholy set in described tank body top; Described battery limits comprise aerator, for controlling electric control box and the base of electric installation, described aerator and electric control box are fixed on described base;
Described tank body top and be positioned at described base under locate to have the corresponding through hole of described base;
Described base falls in described through hole and is detachably fixedly connected with described tank body by latch.
Realize after such scheme, can be when installation and transportation tank body, by the base dismounting of battery limits, and lifted into tank interior, thereby can better meet the requirement for height when transportation, and while installing at the scene, only need to promote this base and use latch to be fixedly connected with tank body, can complete efficiently on-site installation work.Visible, to do after this improvement, this integrated domestic sewage treatment device uses more flexible, also can improve its installation and conveying efficiency simultaneously.
As improvement, the present invention also comprises and being arranged on described tank body and the contiguous described overflow port of crossing aquaporin front end, and the height of described overflow port is higher than the height of described water-in and lower than the height at described tank body top.
Implement after technique scheme, can utilize law of connected vessels to prevent that the sewage of tank interior from causing sewage disposal in tank body insufficient and make water outlet situation not up to standard when excessive, can better guarantee the wastewater treatment efficiency of this integrated domestic sewage treatment device.
As improvement, on described dividing plate, be provided with the dimension inspection mouthful of passing and have door-plate for human body.
Implement, after technique scheme, when can guarantee tank interior compact construction, to be also convenient to tank interior safeguard and overhaul.
The using method of integrated domestic sewage treatment device of the present invention, comprises the following steps:
A. by pipe network, collect sanitary sewage, and imported and in grille well, remove suspended substance;
B. allow the sewage in grille well flow in equalizing tank and regulate voluntarily;
It is characterized in that:
C. obtain the integrated domestic sewage treatment device described in the claims 4; And described equalizing tank is communicated with described water-in, and make the sewage in equalizing tank from flowing to voluntarily water-in, to enter subsequently crossing aquaporin and progressively gathering and make sewage horizontal plane to rise of described water inlet hydrolysis area;
In entering water hydrolysis area, sewage rises to after certain altitude, and overflow continues to gather to aerobic zone; Open described submersible sewage pump and aerator, the carrying out that described submersible sewage pump makes the sewage of bottom, aerobic zone can be back to aquaporin front end and impel anti-nitration reaction in aquaporin, described aerator is the aerating apparatus air feed that bottom, aerobic zone arranges, the carrying out of impelling nitration reaction in aerobic zone; Meanwhile, along with water in aerobic zone continue to gather until overflow in described the first sluice groove, and flow into bottom, described settling region and gather in settling region by pipeline;
Water in described settling region constantly gathers and staticly settles, and by the water overflow of clarification to after gathering after filtering in exhalant region, from water outlet, overflow;
D. when needs to exhalant region in filtering layer while carrying out back flushing, open the valve on backwash tube.
The using method of integrated domestic sewage treatment device of the present invention, during use, cause is without conventionally containing the suspended substances such as large granular impurity in the sanitary sewage of any processing, so need first to remove suspended substance after grid interception, prevent the obstruction of suspended substance to various water stream channels, thereby be more conducive to normally carrying out of subsequent treatment process.So, sanitary sewage flows to grille well through collecting after pipe network is collected, and by grid, the suspended substances such as large granular impurity are tackled and screened out, sewage is in automatically flowing into (relying on the gravity of sewage to realize) equalizing tank subsequently, and (equalizing tank is sewage treatment area conventional process by equalizing tank, at this, do not do too much description) in regulate the water quality of sewage, after the water yield (because of sanitary sewage fluctuations in discharge larger, this variation to subsequent technique normally carry out very unfavorable, therefore, need regulating pondage, guarantee the normal operation of follow-up equipment), allowing the uninterrupted tank interior that flows into integrated domestic sewage treatment device of the present invention of sewage, and in tank interior, sanitary sewage is efficiently processed.
 
Accompanying drawing explanation
Fig. 1 is the System planes schematic diagram of integrated domestic sewage treatment device of the present invention.
Fig. 2 is A-A sectional view in Fig. 1.
Fig. 3 is H place enlarged view in Fig. 2.
Fig. 4 is I place enlarged view in Fig. 2.
Fig. 5 is B-B sectional view in Fig. 1.
Fig. 6 is C-C sectional view in Fig. 1.
Fig. 7 is D-D sectional view in Fig. 1.
Fig. 8 is E-E sectional view in Fig. 1.
Fig. 9 is F-F sectional view in Fig. 1.
 
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
During concrete enforcement: as shown in Figures 1 to 9, a kind of integrated domestic sewage treatment device, comprises that integral level arranges and be the tank body 1 of long tubular; On described tank body 1, be provided with water-in 2 and water outlet 3, described water-in 2 is positioned at the front top position of described tank body 1, and described water outlet 3 is positioned at the rear end of described tank body 1 and lower than described water-in 2; In described tank body 1 every minute being formed with into water hydrolysis area 5, aerobic zone 6 and settling region 7; Also comprise battery limits 8;
Described battery limits 8 are arranged at described tank body 1 outside;
Described water inlet hydrolysis area 5 comprises by surrounding between polylith the first dividing plate 41 and tank body 1 inwall and around the aquaporin of crossing of inner one week of tank body 1; Described aerobic zone 6 and settling region 7 are positioned at the described interior volume that aquaporin surrounds of crossing, and are provided with one perpendicular to tank body 1 length direction second partition 42 between this aerobic zone 6 and settling region 7;
Described cross in aquaporin and be positioned at described tank body 1 front end place be fixedly installed the 3rd dividing plate 43 and be separated to form described feed-water end and the water side of crossing aquaporin; The described feed-water end of crossing aquaporin is communicated with water-in 2, and the described water side of crossing aquaporin is communicated with described aerobic zone 6;
6 bottoms, described aerobic zone be provided with aerating apparatus 10 and and submersible sewage pump 11, the inlet end of described aerating apparatus 10 is connected with the air feed port of aerator 81 in described battery limits 8, and the delivery port of described submersible sewage pump 11 is connected with the described feed-water end of crossing aquaporin by pipeline; In described aerobic zone 6, be hung with several filler strings 9;
Also comprise the first sluice groove 12 being fixedly installed on described second partition 42, described the first sluice groove 12 is positioned at the upper level of described aerobic zone 6 one sides lower than the height of described water-in 2, and described the first sluice groove 12 is communicated with the bottom of described settling region 7 by pipeline;
The rear end of described settling region 7 is communicated with described water outlet 3 and passes through this water outlet 3 water outlets.
During concrete enforcement, also can utilize the integrated domestic sewage treatment device of this embodiment to realize " dephosphorization ", while realizing " dephosphorization ", only need mud sucking cover be set in 7 bottoms, tank body 1 settling region or 8 set up the mud that a sludge pump is discharged 7 bottoms, settling region in battery limits." dephosphorization " mechanism is wherein as follows: because Phosphorus in Domestic Wastewater with Pulverized is mainly with phosphoric acid salt, poly-phosphate and organophosphorus form exist, the 70%th, solubility, in the biological treatment process that " anaerobism-anoxic-aerobic " alternately changes in intake in the present invention hydrolysis area 5 and aerobic zone 6, polyP bacteria in sewage under anaerobic its vigor declines, growth is suppressed, the poly-phosphate while generator just discharging in order to grow in cell utilizes the required ability of simply dissolving organic substrate in waste water (to show as the release of phosphorus, be that polyP bacteria shifts phosphorus in body to sewage).After proceeding to aerobic environment, polyP bacteria rejuvenate and when utilizing matrix, from sewage, huge uptake soluble phosphate is also accumulated, its accumulation volume surpasses the required phosphorus amount of polyP bacteria normal growth, show as the excessive absorption of phosphorus, and in the mud of settling region 7, contained a large amount of polyP bacterias before it releases phosphorus, in time by being arranged on the mud sucking cover of 7 bottoms, settling region, and utilize sludge pump that a part of mud that is deposited in bottom is discharged.Guaranteeing that tail water, containing TP(total phosphorus concentration, is the abbreviation of TOTAL P) be less than under the prerequisite of 1 mg/L, can realize the running balance of phosphorus in water inlet draining and mud, and carry out dephosphorization by spoil disposal.
Preferably in tank body 1 bottom, be provided for the shore pipe 22 that mud is discharged.Like this, can through the postdigestive mud of internal recycling, regularly be disposed in equalizing tank tank body 1 is interior, and every 1 year, irregularly adopting fecal suction truck outward transport to process.And because treating processes has entered the endogenous metabolism stage of microorganism, so the sludge yield in tank body 1 is low.The mud salinity producing is high, has very high stability, and stink is little, and total amount is also less, general annual with sludge pump extraction 1-2 time.Can do fertilizer utilization after treatment, can reduce the secondary pollution of mud, better preserves the ecological environment.
Described tank body 1 can adopt glass steel or stainless steel or carbon steel, and wherein preferably carbon steel material makes, and adopts epoxy resin to do further rotproofing to it, strengthen its erosion resistance, because adopting carbon steel, therefore make the ultimate compression strength of tank body 1 higher, be 20 years work-ing life simultaneously.
The middle part of preferred described settling region 7 vertical direction also arranges one deck inclined tube system 21.Like this, sewage flows through from inclined tube system 21, when in sewage, impurity forms good throw out, throw out by gravity natural subsidence to settling region 7 bottoms, thereby improved sludge settling effect in settling region 7.
Preferably sewage is the interior stop of tank body 1 10 hours to 14 hours, like this, the oxygen constantly importing by aerating apparatus 10 in aerobic zone 6 and sewage is fully contacted with the microbial film generating on several filler strings after, carry out biochemical degradation processing, make in sewage organic pollutant degradation more thorough, obtain the better water outlet of water quality.
Described mistake in aquaporin is evenly arranged at intervals with polylith partition 13 along in the length section of described length of tank direction, wherein, every partition 13 ends have the breach 14 that a water supply stream passes through, and the breach 14 of adjacent partition 13 is for being mutually inverted and can forming the flow shape of S shape.
The integrated domestic sewage treatment device that this embodiment relates to also comprises the exhalant region 30 that is arranged at tank body 1 inside, described exhalant region 30, between described settling region 7 and tank body 1 rear end, and is provided with one perpendicular to the 4th dividing plate 44 of described tank body 1 length direction between 30Yu settling region, this exhalant region 7;
On described the 4th dividing plate 44, be fixedly installed the second sluice groove 15, on described the second sluice groove 15, be positioned at the upper level of described settling region 7 one sides lower than the height of described water outlet 3;
Position in described exhalant region 30 between described water outlet 3 and tank body 1 bottom has also been horizontally disposed with one deck dividing plate, dividing plate below is fixedly installed a filtering layer 16, also comprise at least one thrust-augmenting nozzle 17, the upper end of described thrust-augmenting nozzle 17 is communicated with described the second sluice groove 15, lower end is inserted and secured in described filtering layer 16, is also provided with for the water stream channel 31 gushing on current between described dividing plate and the inwall of exhalant region 30.During concrete enforcement, when being provided with between described settling region and tank body rear end behind above-mentioned exhalant region 30, in the aquaporin excessively of described water inlet hydrolysis area, close on the channel section 50 of described tank body rear end by surrounding between bottom, described settling region and the 4th dividing plate 44 and swash plate 51.Like this, above-mentioned channel section 50 can not impact settling region and the function of crossing aquaporin, can guarantee that exhalant region 30 has larger volume yet, thereby be convenient to construct the internal structure of exhalant region 30, visible, can make like this tank interior space utilization more scientific and reasonable.Separately in the specific implementation, preferred described conduit is along spaced apart four of described the second sluice groove 15 length directions, so just can increase the unit time by the current total amount of settling region 7 to exhalant region 30, thereby improves the rate of output water of water outlet 3.
The integrated domestic sewage treatment device that this embodiment relates to also comprises back flushing rising pipe 18, and the upper end of described back flushing rising pipe 18 is inserted and secured in described filtering layer 16, and described tank body 1 outside is extended in lower end; And at described back flushing rising pipe 18, extend on the pipeline section of described tank body 1 outside and be provided with valve (not shown).
During concrete enforcement, described valve is optional with magnetic valve, and at water-in 2 and water outlet 3 places of described tank body 1, a magnetic valve is also installed, and can adopt like this electrical signal to control magnetic valve, realizes this integral life sewage and processes the automatization control of establishing.
Described battery limits 8 are wholy set in described tank body 1 top; Described battery limits 8 comprise aerator 81, for controlling electric control box 82 and the base 83 of electric installation, described aerator 81 and electric control box 82 are fixed on described base 83;
Described tank body 1 top and be positioned at described base 83 under locate to have the corresponding through hole of described base 83;
Described base 83 falls in described through hole and is detachably fixedly connected with described tank body 1 by latch 84.
During concrete enforcement, the surrounding place that can close on described base 83 on tank body 1 arranges the roller 86 that stay cord 85 is housed, each root stay cord 85 bolts are solid at base 83, so only need by pulling the lifting task that stay cord 85 just can finishing equipment district 8, can save the use of the hanging apparatus such as crane or electric block, reduce use cost, also can impel battery limits 8 lifting fast, thereby further improve installation and the conveying efficiency of battery limits 8 simultaneously.
The integrated domestic sewage treatment device that this embodiment relates to also comprises and being arranged on described tank body 1 and the contiguous described overflow port 19 of crossing aquaporin front end, and the height of described overflow port 19 is higher than the height of described water-in 2 and lower than the height at described tank body 1 top.
On described dividing plate, be provided with the dimension inspection mouth 20 that passes and have door-plate for human body.
 
The using method of above-mentioned integrated domestic sewage treatment device, comprises the following steps:
A. by pipe network, collect sanitary sewage, and imported and in grille well, remove suspended substance;
B. allow the sewage in grille well flow in equalizing tank and regulate voluntarily;
C. obtain above-mentioned integrated domestic sewage treatment device; And described equalizing tank is communicated with described water-in 2, and make the sewage in equalizing tank from flowing to voluntarily water-in 2, to enter subsequently crossing aquaporin and progressively gathering and make sewage horizontal plane to rise of described water inlet hydrolysis area 5;
In entering water hydrolysis area 5, sewage rises to after certain altitude, and to aerobic zone, 6 interior continuation gather in overflow; Open described submersible sewage pump 11 and aerator 81, the carrying out that described submersible sewage pump 11 makes the sewage of 6 bottoms, aerobic zone can be back to aquaporin front end and impel anti-nitration reaction in aquaporin, described aerator 81 is aerating apparatus 10 air feed that 6 bottoms, aerobic zone arrange, the carrying out of impelling nitration reaction in aerobic zone 6; Meanwhile, along with water in aerobic zone 6 continue to gather until overflow in described the first sluice groove 12, and flow into 7 bottoms, described settling region and gather in settling region 7 by pipeline;
Water in described settling region 7 constantly gathers and staticly settles, and by the water overflow of clarification to after gathering after filtering in exhalant region 30, from water outlet 3, overflow;
D. when needs to exhalant region 30 in filtering layer 16 while carrying out back flushing, open the valve on backwash tube.
The using method of this integrated domestic sewage treatment device, during use, cause is without conventionally containing the suspended substances such as large granular impurity in the sanitary sewage of any processing, so need first to remove suspended substance after grid interception, prevent the obstruction of suspended substance to various water stream channels 31, thereby be more conducive to normally carrying out of subsequent treatment process.So, sanitary sewage flows to grille well through collecting after pipe network is collected, and by grid, the suspended substances such as large granular impurity are tackled and screened out, sewage is in automatically flowing into (relying on the gravity of sewage to realize) equalizing tank subsequently, and (equalizing tank is sewage treatment area conventional process by equalizing tank, at this, do not do too much description) in regulate the water quality of sewage, after the water yield (because of sanitary sewage fluctuations in discharge larger, this variation to subsequent technique normally carry out very unfavorable, therefore, need regulating pondage, guarantee the normal operation of follow-up equipment), allowing uninterrupted tank body 1 inside that flows into integrated domestic sewage treatment device of the present invention of sewage, and in tank body 1 inside, sanitary sewage is efficiently processed.
Integrated domestic sewage treatment device of the present invention is commonly used to the comparison for the treatment of process and is analyzed as follows (all according to 300 cubic metres of/day processing poweies, comparing) with existing sanitary sewage:
Sequence number Item compared Manpower rapid-infiltration technique Artificial wetland process Tradition contact oxidation method Blodisc technique MBR biomembrane process The present invention
1 Investment cost (ten thousand yuan) in standing Be greater than 5A Be greater than 5A Be greater than 3A 2A 2.5A A
2 Pipe network investment cost (ten thousand yuan) Be greater than 2B Be greater than 2B Be greater than 2B B B B
3 Construction period Long Long Long Shorter Short Short
4 Floor space (square metre) Greatly Greatly Larger Less Little Little
5 Level of automation Low Lower Higher Higher High High
6 To the requirement of operator's state of the art Low Low In High High In
7 Biosystem stability state Stable Stable Stable Stable Stable Stable
8 Capacity of resisting impact load A little less than A little less than By force By force By force By force
9 Organic sludge amount Many Many Many Few Few Few
10 Contaminant removal capacity ? ? By force By force By force By force
11 Staffing on duty 1 1 2 1 1 1
12 Ton water power consumption 0.11 0.24 0.6 0.75 0.8 0.2
13 Ton water running cost 0.45 0.75 0.6 1.1 1.2 0.5
14 Operation and maintenance cost Low Low Higher High High Low
15 The operation time limit 5-10 10-15 15-20 15-20 15-20 15-20
From the content of upper table, can find out, although above six kinds of techniques can both meet the service requirements of small sewage treatment plant, but no matter from aspects such as Sewage treatment systems floor space (the present invention is minimum only needs 150 square metres), construction period, construction cost, pipe network investment, stable water outlet and level of automation, integrated domestic sewage treatment device of the present invention all has significant advantage, and can make sanitary sewage disposal more economical, efficient, energy-conservation and easy, therefore there is higher economy and reasonableness, be adapted at sanitary sewage disposal field and promote the use of.
The integrated domestic sewage treatment device that this embodiment relates to can be used with the afforestation project of development of real estate in supporting design, use water outlet to be used for irrigating flowers, plants and trees, so both can realize the sewage zero-discharge of development of real estate engineering, better accomplish the target of energy-saving and emission-reduction.
During concrete enforcement, on the basis of technique scheme, can also further improve, for example in aerobic zone 6 or settling region 7, set up biofilm system, just can make water outlet reach < < urban sewage reutilization miscellaneous water water quality standard > > (GB/T18921-2002), recycle.
Above-mentioned improved technical scheme should be considered as falling into the claimed scope of the application equally.

Claims (8)

1. an integrated domestic sewage treatment device, comprises that integral level arranges and be the tank body of long tubular; On described tank body, be provided with water-in and water outlet, described water-in is positioned at the front top position of described tank body, and described water outlet is positioned at the rear end of described tank body and lower than described water-in; In described tank body, every dividing, be formed with into water hydrolysis area, aerobic zone and settling region; Also comprise battery limits;
It is characterized in that: it is outside that described battery limits are arranged at described tank body;
Described water inlet hydrolysis area comprises by surrounding between polylith the first dividing plate and tank body and around the aquaporin of crossing of tank interior one week; Described aerobic zone and settling region are positioned at the described interior volume that aquaporin surrounds of crossing, and are provided with one perpendicular to length of tank direction second partition between this aerobic zone and settling region;
Described cross in aquaporin and be positioned at described tank body front end place be fixedly installed the 3rd dividing plate and be separated to form described feed-water end and the water side of crossing aquaporin; The described feed-water end of crossing aquaporin is communicated with water-in, and the described water side of crossing aquaporin is communicated with described aerobic zone;
Bottom, described aerobic zone be provided with aerating apparatus and and submersible sewage pump, the inlet end of described aerating apparatus is connected with the air feed port of aerator in described battery limits, the delivery port of described submersible sewage pump is connected with the feed-water end of described mistake aquaporin by pipeline; In described aerobic zone, be hung with several filler strings;
Also comprise the first sluice groove being fixedly installed on described second partition, described the first sluice groove is positioned at the upper level of described aerobic zone one side lower than the height of described water-in, and described the first sluice groove is communicated with the bottom of described settling region by pipeline;
The rear end of described settling region is communicated with described water outlet and passes through this water outlet water outlet.
2. integrated domestic sewage treatment device according to claim 1, it is characterized in that: described mistake in aquaporin is evenly arranged at intervals with polylith partition along in described length of tank section, wherein, every partition end has the breach that a water supply stream passes through, and the breach of adjacent partition is for being mutually inverted and can forming the flow shape of S shape.
3. integrated domestic sewage treatment device according to claim 1 and 2, it is characterized in that: also comprise the exhalant region that is arranged at tank interior, described exhalant region, between described settling region and tank body rear end, and is provided with one perpendicular to the 4th dividing plate of described length of tank direction between this exhalant region and settling region;
On described the 4th dividing plate, be fixedly installed the second sluice groove, on described the second sluice groove, be positioned at the upper level of described settling region one side lower than the height of described water outlet;
Position in described exhalant region between described water outlet and tank base has also been horizontally disposed with one deck dividing plate, dividing plate below is fixedly installed a filtering layer, also comprise at least one thrust-augmenting nozzle, the upper end of described thrust-augmenting nozzle is communicated with described the second sluice groove, lower end is inserted and secured in described filtering layer, is also provided with for the water stream channel gushing on current between described dividing plate and the inwall of exhalant region.
4. integrated domestic sewage treatment device according to claim 3, is characterized in that: also comprise back flushing rising pipe, the upper end of described back flushing rising pipe is inserted and secured in described filtering layer, and it is outside that described tank body is extended in lower end; And at described back flushing rising pipe, extend on the pipeline section of described tank body outside and be provided with valve.
5. integrated domestic sewage treatment device according to claim 1, is characterized in that: described battery limits are wholy set in described tank body top; Described battery limits comprise aerator, for controlling electric control box and the base of electric installation, described aerator and electric control box are fixed on described base;
Described tank body top and be positioned at described base under locate to have the corresponding through hole of described base;
Described base falls in described through hole and is detachably fixedly connected with described tank body by latch.
6. integrated domestic sewage treatment device according to claim 1, it is characterized in that: also comprise and being arranged on described tank body and the contiguous described overflow port of crossing aquaporin front end, the height of described overflow port is higher than the height of described water-in and lower than the height at described tank body top.
7. integrated domestic sewage treatment device according to claim 1, is characterized in that: on described dividing plate, be provided with the dimension inspection mouthful of passing and have door-plate for human body.
8. a using method for integrated domestic sewage treatment device, comprises the following steps:
A. by pipe network, collect sanitary sewage, and imported and in grille well, remove suspended substance;
B. allow the sewage in grille well flow in equalizing tank and regulate voluntarily;
It is characterized in that:
C. obtain the integrated domestic sewage treatment device described in the claims 4; And described equalizing tank is communicated with described water-in, and make the sewage in equalizing tank from flowing to voluntarily water-in, to enter subsequently crossing aquaporin and progressively gathering and make sewage horizontal plane to rise of described water inlet hydrolysis area;
In entering water hydrolysis area, sewage rises to after certain altitude, and overflow continues to gather to aerobic zone; Open described submersible sewage pump and aerator, the carrying out that described submersible sewage pump makes the sewage of bottom, aerobic zone can be back to aquaporin front end and impel anti-nitration reaction in aquaporin, described aerator is the aerating apparatus air feed that bottom, aerobic zone arranges, the carrying out of impelling nitration reaction in aerobic zone; Meanwhile, along with water in aerobic zone continue to gather until overflow in described the first sluice groove, and flow into bottom, described settling region and gather in settling region by pipeline;
Water in described settling region constantly gathers and staticly settles, and by the water overflow of clarification to after gathering after filtering in exhalant region, from water outlet, overflow;
D. when needs to exhalant region in filtering layer while carrying out back flushing, open the valve on backwash tube.
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CN109485156A (en) * 2019-01-09 2019-03-19 长江生态(湖北)科技发展有限责任公司 Modified form bio-contact oxidation integrated sewage treating apparatus
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