CN103130381B - VUN treatment construction method for domestic sewage - Google Patents

Abstract

The invention relates to a VUN treatment construction method for domestic sewage. According to the VUN treatment construction method for the domestic sewage, the domestic sewage is subjected to fermentation treatment in a pool V, is subjected to air washing and mud-water separation treatment in a pool U and is subjected to natural biological bacteria membrane net body treatment in a pool N, and then the recycling of the domestic sewage is realized. The VUN treatment construction method for the domestic sewage includes that the domestic sewage is fermented at first, and then the domestic sewage is subjected to the process technology of the air washing and mud-water separation treatment, and therefore investment cost of a sewage treatment system is greatly lowered, operation time is shortened, operation expenses are reduced, and outlet water obtained after the sewage is treated through the technology is stable in water quality and can meet the national first-level emission standards.

Description

One way of life sewage VUN processes construction process

Technical field

The present invention relates to environmental technology field, be specifically related to one way of life sewage VUN and process construction process.

Background technology

In recent years, along with the fast development of Chinese national economy, the improving constantly of living standards of the people, China's water resources is poor wantonly discharges with sewage the water resource pollution event causing and is on the rise, and especially in rural area, this phenomenon is troubling especially.Rationally use water resources, exploitation sewage disposal technology is accomplished sewage resource regeneration, is an effective way alleviating China's water resources anxiety.The technique that Environmental Protection in China field adopts in sewage disposal is at present all external treatment technology substantially, for example: activated sludge process, and the A deriving from this basis ²/ O method, AB method, SBP method.

Above-mentioned four kinds of sewage treatment process are the most representative at present domestic and international field of Environment Protection sewage treatment industry, are also the sewage water treatment methods generally adopting.Although they are different in treatment scheme, its main technique is all sand setting, aeration, sludge settling and water outlet.The problems such as these four kinds of techniques exist to some extent building cost high in practice, and cycle working time is long, and working cost cost is large, and the fluctuation of effluent quality after processing is large.

Summary of the invention

The object of the invention is to solve the problems and shortcomings that prior art exists, provide one way of life sewage VUN to process construction process, sanitary sewage VUN treatment process of the present invention is in the actual procedure of understanding and grasped microorganism decomposing organic matter, find and disclose on the basis of this original theory of air wash water, adopt the structures of special construction, develop sanitary sewage fermentative processing technology, make the organism quick fermentation in sanitary sewage, and cultivate biological bacteria, use the principle of air wash water, air compressing is transported in sewage, activate water molecules and form gas-liquid mixed explosion effect, impel biological bacteria to transform and breed out a large amount of active bio bacterium, form and decompose sufficient cotton-shaped mixed solution, through the quiet desilt water diversion system of moving water speed, realize mud-water separation, open up biologically dehydrating technology, the biological mycoderm dictyosome of self-assembling formation.

Particularly, the invention provides one way of life sewage VUN and process construction process: sanitary sewage is realized to regeneration through V pond fermentative processing, U pond air wash water and mud-water separation processing, N pond natural biology mycoderm dictyosome after processing.

More preferably, described sanitary sewage VUN processes in construction process:

The structure in V pond: build a supporting pond at below ground, Chi Changsi/tri-establish at place a training wall, reserved pod apertures on wall, with diameter and the big or small supporting water shoot of pod apertures, be arranged in the pod apertures on training wall, water-in is installed an eyesight elbow again, be used for controlling water outlet direction, sewage stopped in pond and carry out inoculation fermentation; Before training wall, one group of upright biologic packing material frame is built in thrust-augmenting nozzle water inlet;

The structure in U pond: build a supporting pond, at Chi Changsan/bis-place, set up one partition wall that pond body is divided into great Chi and little Chi, at the bottom of body of wall and pond, two holes are reserved respectively in junction, and one of them is installed and connects pressurized air air duct, and another one hole connects drainage tube; Pressurized air air duct in being 2/3rds ponds, U pond, is installed great Chi, a micropore gas diffusion tip on air duct, reducing break-in drainage tube is installed one at the bottom of pond again, in great Chi, being incorporated into little Chi is 1/3rd ponds, U pond, then little Chi is divided into two portions, and a part is as sludge sump, be used for collecting mud, another part is introduced the drainage tube in great Chi in pond, and at the bottom of drainage tube pipe, two row's conduction holes are opened in dislocation, goes out place outside pool wall install a controlling valve additional at this drainage tube; Available depth 2/3rds places in little Chi, install mud-water separation pipe assembly, clear water is installed above assembly at this again and is collected chimney filter, and below this assembly, installing gas stirs device of sludge; Mud collection tube is installed at the bottom of little Chi to be connected with regulation and control sludge pump;

The structure in N pond: build torrent canal and build unhurried current canal by centesimal gradient by 3 percent gradient respectively, between torrent canal and unhurried current canal, the upright biological bacteria membrane cisterna of sludge settling is built in junction, grow up in the beam overall of torrent canal and unhurried current canal in the pond of the upright biological bacteria membrane cisterna of sludge settling, in the upright biological bacteria membrane cisterna of sludge settling, build partition wall one, form a pump sump and an outlet sump, a water hole is stayed at two places that divide in wall Senior Three, biologic packing material frame is installed in outlet sump, at the bottom of the canal of torrent canal and unhurried current canal, form a natural biology indusium, and form a complete biological mycoderm dictyosome of three-dimensional sewage disposal with the upright biological bacteria membrane cisterna of sludge settling.

U pond principle of work is as follows:

(1) by air compressor, delivered air in the sanitary sewage in pond, sewage is cleaned, air mixes generation gas-liquid mixed effect with sewage, in air, the gas atom of multielement fully contacts with water molecules, form good absorption effect, when water molecules is activated, Sauerstoffatom and hydrogen atom are also supplemented, dissolved oxygen in sewage is improved significantly, be dissolved in the trace element in water, mineral substance, and the starch after fermentative processing, the fermented products such as protein and life factor biological bacteria, in water molecules from turgor movement, spin off, although they are still suspended in water body, but be substantial separated with water molecules.Meanwhile, it is abnormal excited and active that biological bacteria becomes under the environment of a large amount of oxygen molecule effects, the fermented organic that they be take in sewage is food source, by the katalysis of various intracellular enzymes, fermented organic in the cell paste that is ingested is carried out to digest and decompose, organism after fermentation is easy to the digest and decompose of biological bacteria, and the organism being decomposed after metabolism finally forms CO ₂and H ₂the inorganics that O etc. are stable, this katabolism also for synthetic new cell biological bacterium provides needed matter energy, is bred out a large amount of active bio bacterium simultaneously.Water body presents and decomposes sufficient cotton-shaped mixed solution, this flock be mainly by prolific have the microbial population of metabolic function and the residue of autoxidation and by sewage hold under the arm into inertia organism, inorganics formed, the quality of this flock is greater than the proportion of water, is easy to precipitation separated with water.

(2) the sewage in great Chi is in air wash water reaction process, gas from air-diffuser at the bottom of pond with small bubbles form to liquid level, strongly spread, make air and sewage be in violent mixing, in whipped state, open the controlling valve in the quiet desilt water diversion system of moving water speed, decomposing sufficient cotton-shaped mixed solution enters in little Chi from reducing break-in drainage tube, the weakening and shielding its surging force and agitation force through mud-water separation pipe assembly, cotton-shaped mixed solution is just in state relatively stably, under the effect of gravity, cotton-shaped macromole active sludge sinks, supernatant liquor overflows mud-water separation pipe assembly, enter clear water and collect chimney filter, and discharge outside pond.

(3) the mud collection tube that install little Chi bottom is controlled by regulating and controlling sludge pump, the flow by five to two (entering five rows two), and the mud that mixed solution is precipitated is sent to supplementary active sludge in great Chi.The mud of redundance is sent to sludge sump while doing sludge treatment, first close the valve on great Chi interior conduit, open the valve of decontamination mud sump, again the air valve on the gas stirring device of sludge of installing in pond is opened, mud by precipitation at the bottom of gas stirring pond, it is fully mixed with water, regulated and controled sludge pump to be drained into sludge sump.

N pond is biologically dehydrating, the upright membrane cisterna of rheophilae film canal and sludge settling, unhurried current microbial film canal and the upright membrane cisterna of sludge settling.N stereo biological mycoderm dictyosome is called again in N pond.It is comprised of canal, the pond of organizing different gradients more.According to features such as the physiological habit of different microorganisms and life cycles, by 3 percent gradient, build torrent canal and build unhurried current canal by centesimal gradient respectively.Width of the channel determines by the size of discharge, and canal length is advisable with 80 meters.Its effect be by different water volume flow rates and drop effect to water reoxygenation, separated the water molecules that the microbial bacteria of carrying under one's arms in the supernatant liquor that U pond is discharged expands from motion, depart from current, at the bottom of canal, nest, perch.Organism residual in water body is carried out to katabolism.And for synthetic new cell provides needed matter energy, breed out a large amount of active bio bacterium, at the bottom of canal, self-assembling formation biological bacteria film body, completes the advanced treatment to sanitary sewage.

N pond is that the effect of natural biology mycoderm dictyosome is by different water volume flow rates and falls splash effect to water reoxygenation, separated the water molecules that the microbial bacteria of carrying under one's arms in the supernatant liquor that U pond is discharged expands from motion, departs from current, nests, perches at the bottom of canal.Organism residual in water body is carried out to katabolism.And provide needed matter energy for closing new cell, and breed out a large amount of active bio bacterium, at the bottom of canal, self-assembling formation biological bacteria film body, completes the advanced treatment to sanitary sewage.Between torrent canal and unhurried current canal, the upright biological bacteria membrane cisterna of sludge settling is built in junction, grow up in the beam overall of two canals in pond, in pond, build partition wall one, form a pump sump and an outlet sump, a water hole is stayed at two places that divide in wall Senior Three, biologic packing material frame is installed in outlet sump, the effect of mudpan has two, the one, pump sump is collected by torrent canal, dead and the mud that forms of microbial bacteria life cycle metabolism in unhurried current canal, the 2nd, the upright biological bacteria film body that in outlet sump, on biologic packing material, newborn microorganism forms, organism in water is decomposed, at the bottom of whole canal, form a plane natural biology indusium, form a complete biological mycoderm dictyosome of three-dimensional sewage disposal with the upright biological bacteria film body of sludge settling.This microbial bacteria film body with metabolic function contains multiple-microorganism bacterium, they take organic pollutant as food in mobile sewage, by picked-up organism, biology mycoderm self family is multiplied, is bred, at the bottom of whole canal, form a plane natural biology indusium, form a complete three-dimensional sewage disposal biological bacteria film system with the upright biological bacteria film body of sludge settling.

Further preferably, described kind sanitary sewage VUN processes in construction process, the size of the pod apertures in described V pond, and time, the scale of construction that height stops fermentation according to the organic pollutant in the flow of sewage and sewage are determined.Specifically, the size of the V pond scale of construction is to build by the premier's that need to dispose of sewage every day 1/3rd volumes, at Chi Changsi/tri-place, set up training wall one, on wall, height 1/3rd places reserve pod apertures and thrust-augmenting nozzle are installed, the size of the pod apertures per diem amount of disposing of sewage and flow velocity is determined, we take dispose of sewage day 2000 tons set flow velocity as V=0.6m/s be example, calculate pod apertures A(mm):

$A=\frac{Q}{V}$

?

$A=\frac{Q}{V}=\frac{0.023}{0.6}=0.038m$

$R=\sqrt{\frac{A}{\mathrm{\π}}}=\sqrt{\frac{0.038}{3.14}}=0.11m=110\mathrm{mm}$

D=2R=220mm

In formula Q-day the amount of disposing of sewage

V-design flow velocity

A-pre-opened hole cross-sectional area

R-pre-opened hole radius

D-pre-opened hole diameter

Like this, day is disposed of sewage 2000 tons, and on training wall, the diameter of reserved pod apertures is 250mm.

Further preferably, described kind sanitary sewage VUN processes in construction process, in described N pond, at the bottom of torrent canal, unhurried current canal, adopts zigzag fashion to build the end.Feature at the bottom of zig-zag canal is that the microorganism of being more convenient for is nested and perches; Current trickling is fallen splash effect through the out-of-date wave that can produce, and water reoxygenation area is increased, and oxygen in water is further increased, water treatment better effects if.

The present invention is in long-term sewage disposal practice, understand and grasped the actual procedure of microorganism decomposing organic matter, (that is: biological bacteria is by various intracellular enzymes, as oxydase and desaturase first carry out catalytic decomposition < to organism, make the organism burn into > that goes mouldy, and then the organism that has been changed molecular structure and attribute is taken in cell paste and carried out katabolism).And the ancient zymotechnique mechanism of basic Shang，Ba China of air wash water theory applies in sewage treatment process, this invention is the important breakthrough in sewage treatment process in field of Environment Protection.The present invention takes first sewage ferment (change organic molecule structure and attribute in sewage, for microorganism fast decoupled metabolism organism creates conditions, cultivate again, breed a large amount of microorganisms) simultaneously; The Technology of carrying out again air wash water, mud-water separation processing, greatly reduces Sewage treatment systems cost of investment; Shortened working time; Reduced working cost; Sewage stable effluent quality after this art breading reaches national grade one discharge standard.

Compared with prior art the present invention has following beneficial effect:

It is guidance that present technique be take air wash water theory, develop sanitary sewage fermentative processing technology, the plane that the quiet desilt water diversion system of moving water speed, torrent canal, unhurried current canal, the upright membrane cisterna of sludge settling form, upright natural biology mycoderm dictyosome, form sanitary sewage fermentation, air wash water, mud-water separation, natural biology indusium system for handling.

The peculiar functional structure of present technique, has determined that the sanitary sewage effluent quality that present technique is processed is stablized more, safety, reliable, and meanwhile, present technique also has the effect of dephosphorization denitrogenation.The construction of this system and running cost are all lower than the cost of other techniques, and be convenient to running maintenance, cities and towns, the optimal selection of especially vast rural domestic sewage treatment, present technique realized to sanitary sewage disposal process continue, fast, low energy, target efficiently.The present invention simultaneously accomplishes to suit measures to local conditions, gather materials on the spot, from the cultivation of biological bacteria, breed, transform, preferably the natural, ecological to Microbe membrane net forms, the organism of hard degradation in sanitary sewage by fermentation, enzyme becomes, decompose and change the nutrition food source that its molecular structure and attribute become microorganism, whole process is different on three structures and has in the structures of particular requirement and complete.

Accompanying drawing explanation

Fig. 1 is the structural representation in V of the present invention pond.

Fig. 2 is the structural representation in U of the present invention pond.

Fig. 3 is the structural representation in N of the present invention pond.

Embodiment

Embodiment 1 sanitary sewage VUN processes construction process

V pond is the structure in sanitary sewage fermentative processing pond: the structure in V pond as shown in Figure 1, determining of V pond scale of construction size, by the volume of the total amount 1/3rd of need to disposing of sewage every day, on ground, below 60 centimeters, build an appropriate supporting pond, Chi Changsi/tri-set up at place training wall 1A one, reserved pod apertures on wall, long 2 meters with one, the supporting water shoot of diameter and pod apertures size is arranged in the pod apertures on training wall, water-in is installed one 45 degree eyesight elbow again, opening down, for controlling water outlet direction.Before training wall, thrust-augmenting nozzle water inlet is built one group and is convenient to the upright biologic packing material frame 2A that the microorganisms such as zymophyte perch, and the organism in sewage is fermented, to change its organic molecule attribute, to become the small molecules fermented organic that is easy to decomposition.The effect of training wall thrust-augmenting nozzle be the floating matter in sewage (as vegetable and animals oils, swill, ight soil etc.) interception in pond training wall above and thrust-augmenting nozzle above, base as cultivation and fermentation bacterium is female, has enough residence time ferment and cultivate biological fermentation bacterium in this region; And guarantee that the sewage of coming in every day can stop 8 to 10 hours in pond, impels organism and zymophyte inoculation fermentation in sewage.Because V pond adopts buried method, build, pool inner water temperature remains between 15 ℃ to 30 ℃ throughout the year, and such temperature is breeding and the growth of the most applicable microorganism.The construction in V pond adopts method buried and increase training wall and thrust-augmenting nozzle, its object is cultivated exactly, propagate microorganisms zymophyte, organism in sewage is fermented, change its organic molecule attribute, becoming the small molecules fermented organic that is easy to decomposition, is to shorten the sewage disposal time, reduces sewage disposal running cost, improve water quality treatment and lay the first stone, and provide microbial bacteria source for U pond.

U pond is the structure of air wash water and mud-water separation treating pond: U pool structure as shown in Figure 2, according to day the amount of disposing of sewage number and air wash water reaction be no less than the requirement of 6 hours, build an appropriate supporting pond, at Chi Changwu/tri-place, set up one partition wall 1B that pond body is divided into great Chi 2B and little Chi 3B, at the bottom of body of wall and pond, two holes are reserved respectively in junction, one of them hole is installed and is connected pressurized air air duct 4B, and another one hole connects drainage tube 5B; Pressurized air air duct 4B in being 3/5ths ponds, U pond, is installed great Chi, every 80 centimeters of rows together, on air duct, every 80 centimeters a micropore gas diffusion tip 6B is installed, reducing break-in drainage tube 5B is installed one at the bottom of pond again, in great Chi, being incorporated into little Chi is 2/5ths ponds, U pond, at the bottom of drainage tube pipe 45 degree both sides respectively the dislocation of 20 centimeters, interval open two rows

conduction hole, at this pipe, go out outside pool wall place and install a controlling valve 7B additional.Available depth 2/3rds places in little Chi, install mud-water separation pipe assembly, clear water is installed above assembly at this again and is collected chimney filter, and below this assembly, installing gas stirs device of sludge, mud collection tube 8B is installed at the bottom of little Chi and is connected with regulation and control sludge pump.

N pond is the structure of natural biology mycoderm dictyosome: as shown in Figure 3, natural biology mycoderm dictyosome is comprised of canal, the pond of organizing different gradients the structure in N pond more; According to the physiological habit of different microorganisms and life cycle, by 3 percent gradients, build torrent canal 1 and centesimal gradient respectively and build unhurried current canal 3, at the bottom of the canal of torrent canal 1 and unhurried current canal 3, by zigzag fashion, build the end, width of the channel is determined by the size of discharge, the long 70-90 rice of canal; Its effect is by different water volume flow rate and fall splash effect to water reoxygenation, separated the water molecules that the microbial bacteria of carrying under one's arms in the supernatant liquor that U pond is discharged expands from motion, departs from current, nests, perches at the bottom of canal.Organism residual in water body is carried out to katabolism.And provide needed matter energy for closing new cell, and breed out a large amount of active bio bacterium, at the bottom of canal, self-assembling formation biological bacteria film body, completes the advanced treatment to sanitary sewage.Between torrent canal and unhurried current canal, the upright biological bacteria membrane cisterna 2 of sludge settling is built in junction, grow up in the beam overall of two canals in pond, in pond, build partition wall one, form a pump sump and an outlet sump, a water hole is stayed at two places that divide in wall Senior Three, biologic packing material frame 5 is installed in outlet sump, the effect of mudpan has two, the one, pump sump is collected by torrent canal, dead and the mud that forms of microbial bacteria life cycle metabolism in unhurried current canal, the 2nd, the upright biological bacteria film body that in outlet sump, on biologic packing material, newborn microorganism forms, organism in water is decomposed, at the bottom of whole canal, form a plane natural biology indusium, form a complete biological mycoderm dictyosome of three-dimensional sewage disposal with the upright biological bacteria film body of sludge settling.This microbial bacteria film body with metabolic function contains multiple-microorganism bacterium, they take organic pollutant as food in mobile sewage, by picked-up organism, biology mycoderm self family is multiplied, is bred, at the bottom of whole canal, form a plane natural biology indusium, form a complete three-dimensional sewage disposal biological bacteria film system with the upright biological bacteria film body of sludge settling.The both sides of torrent canal 1 and unhurried current canal 3 can arrange plant landscape landscape belt 4.

In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims (2)

1. one way of life sewage VUN processes construction process, and sanitary sewage is realized to regeneration through V pond fermentative processing, U pond air wash water and mud-water separation processing, N pond natural biology mycoderm dictyosome after processing;

It is characterized in that: comprising:

The structure in V pond: build a supporting pond at below ground, Chi Changsi/tri-establish at place a training wall, reserved pod apertures on wall, with diameter and the big or small supporting thrust-augmenting nozzle of pod apertures, be arranged in the pod apertures on training wall, thrust-augmenting nozzle water-in is installed an eyesight elbow again, be used for controlling water outlet direction, sewage stopped in pond and carry out inoculation fermentation; Before training wall, one group of upright biologic packing material frame is built in thrust-augmenting nozzle water inlet;

The structure in U pond: build a supporting pond, at Chi Changsan/bis-place, set up one partition wall that pond body is divided into great Chi and little Chi, at the bottom of pond body of wall and pond, two holes are reserved respectively in junction, and one of them is installed and connects pressurized air air duct, and another one hole connects drainage tube; Pressurized air air duct in being 2/3rds ponds, U pond, is installed great Chi, micropore gas diffusion tip is installed on air duct, reducing break-in drainage tube is installed one at the bottom of pond again, in great Chi, being incorporated into little Chi is 1/3rd ponds, U pond, then little Chi is divided into two portions, and a part is as sludge sump, be used for collecting mud, another part is introduced the drainage tube in great Chi in pond, and at the bottom of drainage tube pipe, two row's conduction holes are opened in dislocation, goes out place outside pool wall install a controlling valve additional at this drainage tube; Available depth 2/3rds places in little Chi, install mud-water separation pipe assembly, clear water is installed above assembly at this again and is collected chimney filter, and below this assembly, installing gas stirs device of sludge; Mud collection tube is installed at the bottom of little Chi to be connected with regulation and control sludge pump;

The structure in N pond: build torrent canal and build unhurried current canal by centesimal gradient by 3 percent gradient respectively, between torrent canal and unhurried current canal, the upright biological bacteria membrane cisterna of sludge settling is built in junction, grow up in the beam overall of torrent canal and unhurried current canal in the pond of the upright biological bacteria membrane cisterna of sludge settling, in the upright biological bacteria membrane cisterna of sludge settling, build partition wall one, form a pump sump and an outlet sump, a water hole is stayed at two places that divide in wall Senior Three, biologic packing material frame is installed in outlet sump, at the bottom of the canal of torrent canal and unhurried current canal, form a natural biology indusium, and form a complete biological mycoderm dictyosome of three-dimensional sewage disposal with the upright biological bacteria membrane cisterna of sludge settling.

2. sanitary sewage VUN according to claim 1 processes construction process, it is characterized in that: at the bottom of the canal of the torrent canal in described N pond and unhurried current canal, adopt zigzag fashion to build the end.

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