CN201109747Y

CN201109747Y - Anaerobic-aerobic treatment system apparatus for countryside domesticity sewage

Info

Publication number: CN201109747Y
Application number: CNU2007201270319U
Authority: CN
Inventors: 张富年
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-19
Filing date: 2007-07-19
Publication date: 2008-09-03
Anticipated expiration: 2017-07-19

Abstract

The utility model relates to an aerobic and anaerobic processing system mechanism for rural family domestic sewerage, and belongs to the technical field of rural environmental protection hygiene. The aerobic and anaerobic processing system mechanism can process quantitative reduction and innocent treatment to mixed sewage generated by peasant household toilet, kitchen and bathing. The aerobic and anaerobic processing system mechanism comprises two anaerobic digestion tanks and an aerobic percolationtreatment channel. The organic matter in the sewage is two-stage degraded by the anaerobic digestion tanks. Unloaders are fixed on the two sides of a separating baffle of the anaerobic digestion tanks and the sludge in the bottom of the digestion tanks is convenient to be taken out. A cavum is composed of a cant board, a connection crosspiece and a cover board. The sewerage drained from the anaerobic digestion tanks sprinkles to the cavum of the percolation channel by perforated pipes to fully be contacted with oxygen to be purified, and then downwards infiltrates to the soil through the soil bed surface of the percolation channel. The mechanism can run for the whole year without power, the sewerage process is steady and the investment is less, thereby adapting to be used by peasant households in vast agricultural pastoral area as well as be used in villages and towns units, tourism sight spot and villas without sewers.

Description

A kind of rural households sanitary sewage anaerobic-aerobic treatment system device

Technical field

The utility model belongs to environmentally-friendly sanitary facility technology field, rural area, refers more particularly to the processing of lavatory, rural area, kitchen, bath sewage, is suitable for the unit use that rural households and villages and small towns do not have sewage work.

Background technology

The present domestic sewage in rural areas by using of China is handled and almost is in blank, the sewage that rural households kitchen, bathing produce is used bucket to carry substantially and is poured into the house periphery, or otherly in the house dig an easy seepage pit, because of unreasonable structure, usually be that foul smell overflows, ooze the polluted underground water source under the sewage, seepage pit is general to be used about 1 year, because of greasy, sludge settling lost efficacy, continue again to dig pit again at another place this moment, causes the waste of manpower, fund.Because of there not being sewage treatment facility to promote flush toilet in the rural area.The lavatory that peasant household uses mostly is non-irrigated lavatory, and stinking smell assaulting one's nostrils when going to toilet, because the not process processing of non-irrigated lavatory ight soil, ight soil grows maggot, and communicate illness directly endangers people's health.

In recent years, the methane-generating pit lavatory of promoting in the rural area, improved lavatory, rural area hygiene effect to a certain extent, but methane-generating pit is generally built in peasant household and is cultured under the livestock colony house, the biogas lavatory requires again to build on the methane-generating pit, the biogas lavatory used of peasant household or in the pen or near the pen, peripheral hygienic condition still do not improve like this.

A kind of rural health lavatory that utility model patent rural area three lattice digesters (patent No. 200420031000.X) are announced, make the lavatory, rural area realize flush-type, but rural area three lattice digesters use the sediment inconvenience at the bottom of cleaning after a year is deposited on the pond, because the volume design is less, can't handle the sewage of kitchen, bathing generation.

Summary of the invention

The utility model provides a kind of anaerobic-aerobic treatment system device of handling the indoor flush toilet of peasant household, kitchen, bathroom combined sewage (buck) at the above-mentioned technical problem that exists.Purpose is lavatory, rural area, kitchen guarding to be produced sewage carry out innoxious, minimizing processing, betters people's living environment, and improves peasant household's health level.

Technical scheme: first lattice that are drained into two lattice anaerobic digesters by the combined sewage that produces between kitchen, lavatory, bathing preembedded outfall sewer under the farm house house, sewage is divided into three layers naturally because of containing heterogeneity, proportion sinks at the bottom of the pond greater than the solid part of water, form the beds of precipitation, float to body top, pond on the grease that proportion is lighter than water, the fiber etc. and form scum layer, the middle part forms supernatant liquid.Supernatant liquid liquid enters into second lattice of anaerobic digester through digester dividing plate intermediary communicating pipe, enter the further layering of the second lattice sewage, there is not precipitated phase to less solid particulate at first lattice, precipitation further descends, separate from water in continuation such as the unsegregated grease of first lattice, fibers and to float to anaerobic digester top, form more clear supernatant liquid at second lattice middle part, the liquid of supernatant liquid enters in the aerobic treatment diafiltration ditch perforated pipe through water outlet.

Aerobic treatment diafiltration ditch is formed a cavity by perforated pipe, cant board, connection shelves and cover plate, and perforated pipe is fixed on diafiltration ditch cavity top by connecting shelves, at the two ends of diafiltration ditch, the ventpipe identical with atmosphere is housed, and makes in the diafiltration ditch cavity to be full of air all the time.The clear liquid that enters in the perforated pipe is drained to uniformly down on the soil bed surface bottom the diafiltration ditch by the micropore on the perforated pipe, water air abundant and in the cavity in following leakage process contacts, make aerobic microbiological carry out aerobic treatment to the organic matter in the sewage, reduce BOD, COD concentration in the sewage, with the clear liquid that drains at present on the soil beds of diafiltration ditch bottom, continuation further is cleaned in the seepage process to soil bottom seepage, finally reaches innoxious discharging.

In anaerobic digester, be deposited to the bottom SOLID ORGANIC matter and on float to the top grease etc. under the effect of anaerobion, be converted into CH through anaerobic digestion ₄, CO, CO ₂, H ₂Gases such as S, the solid that is not digested form mud bottom digester, with the fertile time, utilize the mud extraction at the bottom of the discharger that is contained in anaerobic digester one lattice, two lattice in advance will be deposited on the pond in conjunction with peasant household orchard, vegetable plot, are directly used in orchard, vegetable plot fertilising.

The vapor pipe that a setting is set outside the peasant household house is communicated with sewer line, anaerobic digester sewage inlet place connects a threeway, one links to each other with outfall sewer vertically upward, and one makes sewage vertically flow into body bottom, pond vertically downward, and a level communicates with pond body upper space.Ventilation communicating pipe is installed in the middle of the top of anaerobic digester dividing plate.The CH that the anaerobic digester second lattice organic matter produces through anaerobic digestion ₄, CO, CO ₂, H ₂Gases such as S enter first lattice through the ventilation communicating pipe on anaerobic digester dividing plate top, the gas that produces in the gas that produces in anaerobic digester first lattice and second lattice enters digester sewage inlet threeway horizontal direction opening, enter outfall sewer, the vapor pipe that rises to setting is at last discharged, the vapor pipe of erectting is higher than the roof, house, and the people can not smell an offensive odor like this.The vapor pipe of outfall sewer and setting is connected between lavatory, kitchen Xia Shui, bathing, has prevented to translate into the room on the foul smell that outfall sewer produces.

At the north of china in winter cold district, the outfall sewer that connects between digester and kitchen, lavatory, bathing can strengthen caliber, adopts polyurethane thermal pipe, prevents to freeze to block outfall sewer.Anaerobic digester and diafiltration ditch are embedded in below the frozen soil layer by the local frozen soil layer degree of depth, and the assurance system normally uses throughout the year.

The beneficial effects of the utility model one are that the digester anaerobic treatment combines with the aerobic treatment of diafiltration ditch, the cavity design of diafiltration ditch has guaranteed that the sewage of discharging fully contacts with oxygen from digester, helping aerobic microbiological degrades completely to the organic matter in the sewage, wastewater purifying efficiency is good, water conditioning to the soil discharging does not pollute surrounding enviroment.

The 2nd, the cavity of diafiltration ditch is designed to train the water that has increased after purifying and oozes row's contact surface to soil, and the soil bed surface of diafiltration ditch is difficult for forming biological mycoderm obstruction soil pores lost efficacy the diafiltration ditch.

The 3rd, digester has designed light discharger at first lattice and second lattice respectively, and peasant household combined with fertilizer with farming season, and digester mud in time obtains cleaning, has guaranteed the long-term normal operation of system.

The 4th, the exhaust system of design has prevented that digester from feeling suffocated and has produced dangerously that prevented to occur turning over the foul smell phenomenon between kitchen, lavatory, bathing, the house periphery peculiar smell, stink can not occur.

Description of drawings

Fig. 1 is rural households' sewage treatment unit vertical views

Fig. 2 is figure one an A-A sectional view

Fig. 3 is figure one a B-B sectional view

Fig. 4 is figure one a C-C sectional view

Fig. 5 is that aerobic treatment diafiltration ditch is built synoptic diagram

Fig. 6 is one of fine oxygen filtration channel member cant board three-view diagram

Fig. 7 is that two of fine oxygen filtration channel member connects the shelves three-view diagram

Fig. 8 is three cover plate three-view diagrams of fine oxygen filtration channel member

Embodiment

Further specify concrete structure of the present utility model and embodiment below in conjunction with accompanying drawing

Anaerobic-aerobic country sewage treatment system of the present utility model is made up of following four parts.

First part is an anaerobic digester anaerobic treatment part.Form by Fig. 1, Fig. 2, Fig. 3, two lattice anaerobic digesters, first lattice (19), second lattice (16), sewage import (3), sewage outlet (13), baffle (26), sewage communicating pipe (15), Chi Kou (18), Chi Gai (25) shown in Figure 4.The threeway vertical direction end opening that is connected with sewage import (3) is positioned at the middle part of digester; Be located at the position of keeping to the side in baffle (26) vertical direction middle part, horizontal direction sewage communicating pipe (15); The threeway vertical direction bottom that sewage outlet (13) connects is positioned at the digester middle part, and connects about 20 centimetres elbow to horizontal direction.Kitchen, lavatory, bath sewage enter digester first lattice (19) from sewage import (3), the sewage standing demix, SOLID ORGANIC matter descends and is deposited at the bottom of the pond, float to digester top on grease, the fiber etc., form supernatant liquid at the middle part, enter digester second lattice (16) the sewage communicating pipe (15) of supernatant liquid on baffle (26) and continue to repeat first lattice (19) standing demix process, form more clear supernatant liquid at second lattice (16) and enter fine oxygen filtration channel through sewage outlet (13).Deposit at the bottom of the pond solid and on float to body top, pond scum silica frost under the digestion of anaerobion, be degraded to CH ₄, CO, CO ₂, H ₂Gases such as S make in the sewage to surpass 60% organic matter and be decomposed.

Second section is aerobic diafiltration part.Form as Fig. 1, Fig. 2, three cover plates (9) that connect shelves (12), fine oxygen filtration channel member by one of water distributor (27), perforated pipe (10), ventpipe (7) (8), fine oxygen filtration channel member cant board (11), for two of fine oxygen filtration channel member shown in Figure 5.Water distributor (27), perforated pipe (10), the available PVC of ventpipe (7), PE tubing, water distributor (27) is connected with same footpath PVC or PE threeway with perforated pipe (10), ventpipe (7).The method of construction of diafiltration ditch is existing, and diafiltration ditch cutting depth is that the local frozen soil layer degree of depth adds 50cm according to the diafiltration ditch orthographic plan shown in Figure 1 excavation orthographic plan that draws on ground, and width is 50cm.The installation of diafiltration ditch member as shown in Figure 5, cant board (11) stood like a wall near soil along the good diafiltration ditch both sides of excavation put, from a end near water distributor, to connect the junction that shelves (12) and diafiltration ditch vertical direction are placed on cant board (11), because connecting shelves (12) is an integral body, tightly be stuck in the inboard of diafiltration ditch both sides cant boards (11), both sides cant board (11) is fixing.Connecting shelves (12) upper design at each has circular port, and the aperture is slightly larger than the diameter of perforated pipe (10).Perforated pipe (10) is passed from the circular hole that connects shelves (12) top, cover plate (9) is covered on the cant board (11).The seepage aperture 1cm of perforated pipe (10), 10 centimetres at interval, weepage holes is positioned at the bottom.Connect a ventpipe vertically upward at the two ends of every eleven punch 11 pipe, the ventpipe 50cm that elevates above the soil, the upper end adds blast cap (20) (22).At last, backfill soil.The fine oxygen filtration channel member can be with concrete prefabricated, also useable glass steel or Production of PVC finished product.

Third part is the digester output section.As shown in Figure 1 and Figure 2, discharger one (5) and discharger two (6) are housed respectively in the both sides of digester baffle (26), the discharger lower end is apart from digester bottom 20cm.Have a Xiao Chi (4) on discharger threeway side, place containers such as bucket when being convenient to discharging.

The 4th part vented exhaust system.As shown in Figure 1 and Figure 2, adorn the vapor pipe (2) of a setting outside peasant household's house kitchen guarding's room wall, kitchen guarding's outfall sewer is communicated with vapor pipe (2).When being communicated with kitchen guarding's outfall sewer, the sewage import (3) of anaerobic digester also is communicated with vapor pipe (2), in anaerobic digester sewage import (3) threeway is installed, one vertically downward, make sewage vertically flow into body bottom, pond, one links to each other with outfall sewer vertically upward, and a level communicates with body top, pond.Fig. 1, Fig. 3, shown in Figure 4 install ventilation communicating pipe (17) in the middle of the dividing plate top of anaerobic digester.The gas that digester first lattice (19) and second lattice (16) produce is communicated with by ventilation communicating pipe (17).The gas that two lattice produce enters outfall sewer through the threeway horizontal direction opening that anaerobic digester sewage inlet (3) links to each other, and the vapor pipe (2) that rises to setting is at last discharged.

Claims

1. rural households' sanitary sewage anaerobic-aerobic treatment system device, comprise two lattice anaerobic digesters, aerobic treatment diafiltration ditch and exhaust system, it is characterized in that described two lattice anaerobic digesters, one lattice (19) are equipped with discharger one (5), two lattice anaerobic digesters, two lattice (16) are equipped with discharger two (6), discharger one (5) and discharger two (6) are installed in the both sides of digester dividing plate (26) respectively, distance two lattice anaerobic digesters bottom, the lower end 20cm of discharger one (5) and discharger two (6), outside digester, have a Xiao Chi (4) with discharger top adjacency, described aerobic treatment diafiltration ditch is a cavity that is communicated with atmosphere, cavity is by cant board (11), connect shelves (12), cover plate (9) and perforated pipe (10) are formed, cant board (11) stands up in the cavity both sides, connecting shelves (12) is connected and fixed cant board (11), perforated pipe (10) is by connecting the top that shelves (12) are fixed on diafiltration ditch cavity, the two ends of perforated pipe (10) are connected with ventpipe (7) (8), ventpipe reaches more than the ground, and the upper end adds blast cap (20) (22).Described exhaust system is that a vapor pipe (2) is housed outside user's kitchen and toilet, vapor pipe is erect, be higher than the kitchen guarding roof, the bottom is communicated with kitchen and toilet outfall sewer and two lattice anaerobic digester sewage inlets (3), and the ventilation communicating pipe (17) on two lattice anaerobic digester (19) (16) dividing plate (26) tops is with first lattice (19) and second lattice (16) connection on anaerobic digester top.

2. a kind of rural households according to claim 1 sanitary sewage anaerobic-aerobic treatment system device is characterized in that described cant board (11) has bar hole.

3. a kind of rural households according to claim 1 sanitary sewage anaerobic-aerobic treatment system device is characterized in that described perforated pipe (10) tube wall upper edge straight line evenly has aperture at interval, and aperture is positioned at perforated pipe (10) bottom.

4. a kind of rural households according to claim 1 sanitary sewage anaerobic-aerobic treatment system device is characterized in that described connection shelves (12) top has circular hole, and the aperture is slightly larger than the external diameter of perforated pipe (10).

5. a kind of rural households according to claim 1 sanitary sewage anaerobic-aerobic treatment system device is characterized in that described cant board (11), connection shelves (12) and cover plate (9) material can be concrete or glass reinforced plastic or polyvinyl chloride.