CN105384315B - A kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device - Google Patents
A kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device Download PDFInfo
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- CN105384315B CN105384315B CN201510951896.6A CN201510951896A CN105384315B CN 105384315 B CN105384315 B CN 105384315B CN 201510951896 A CN201510951896 A CN 201510951896A CN 105384315 B CN105384315 B CN 105384315B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The present invention relates to a kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device, including purification tank and hydrolytic tank, the inside of purification tank is separated into first order purification region, second level purification region, third level purification region and precipitation tank by partition board successively, biofilter material is respectively provided in each purification region, each purify in region is respectively mounted an aerator；An air-lift device is installed in third level purification region；The water inlet pipe of purification tank connects one or more hydrolytic tank.The present invention is a kind of design science, rational in infrastructure, reliable more family sanitary sewage hydrolytic tanks and purification tank combined treatment device, the present apparatus is according to rural households' sanitary sewage disposal present situation, and by means of the successful experience of demonstration project and actual effect, have developed the more families combination pattern for being suitable for rural domestic sewage treatment.Using the construction that in-situ treatment is realized after the present apparatus, wastewater treatment efficiency is improved, reduces complex grid, investment and processing cost are reduced, is suitable for rural area and is widely popularized.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of more family sanitary sewage hydrolytic tanks combine place with purification tank
Manage device.
Background technology
China's people in the countryside were more than urban population in 2012, and about 6.4 hundred million people bear for each person every day to the BOD of environmental emission
Lotus amount is the 40g/ day for human beings, and it has been more than just 1,003,000,000 tons to be often only the BOD loading total amount from agricultural population to environmental emission,
The serious Water quality for polluting rural area.Small-sized efficient purifying domestic sewage slot is developed, solution can not focus on, and carry out on the spot
In-situ treatment mode can not only solve the pollution problem of domestic sewage in rural areas from source, and can also promote village tap water
Effective implementation, improve life in the countryside quality and environmental quality.Domestic sewage in rural areas cleaning project is phase with tap water chemical industry journey
One of auxiliary coordinating and new countryside construction important content.It is referred herein go out the concept of domestic sewage in rural areas be different from city
City's sanitary sewage, it can be understood as people's sanitary sewage in the peasant household, private enterprise, frontier sentry and island other than city,
Although the amount that these sanitary sewages generate is few, dispersion, it is difficult to concentrate, endanger natural water body environment very big, it has also become mesh
The important environmental problem in preceding China.
Family domestic sewage refers to family's sewage effluent, it includes flushing water, kitchen water, water for bathing and washings etc..
It should be using national sanitary sewage discharge standard as criterion, for the spy of family domestic sewage for the processing of family domestic sewage
Point：Discontinuity, gap pulse is early, middle and late to be concentrated with water, and flushing water and kitchen water carry solid particle difficult to degrade
Object should be handled directly, reach discharging standards again, then be suitable for the equipment needs of domestic sewage in rural areas decentralized processing
Technology more higher than municipal sewage treatment.
In addition, since people in the countryside density is low, peasant household is sparsely populated, and some areas sewage total amount is small, and topography difference
Greatly, lack sewage collecting and conveying facility, so sanitary sewage is difficult to centralized collection, particularly samll cities and towns set public sewer
It applies construction and also has financial pressure, although oxidation ditch process, A/O techniques, A in city domestic sewage processing2/ O techniques, AB
It is notable with the technological effects such as SBR, but these centralized processing methods need expensive sewage collecting pipeline network construction expense, not only throw
Money is big, and operational management is complicated, and maintenance cost is higher, is difficult to push away in low, the backward in technique rural area of the level of economic development
It is wide to implement.Thus centralized processing pattern rural area can because it is financial the reason of be difficult to carry out, decentralized processing just seems very
It is important.
For these difficulties, the present inventor once developed the sewage treatment unit of rural area single-apartment, and obtained
" Domestic self-flowing living sewage purifying treatment appts " (ZL200520130697.0) patent passes through three purified treatments and fills
The demonstration project put, is verified completely, and continuous operation more than 7 years, failure had not occurred, i.e., to August in 2008 so far on 23rd
Make by water to be poured in down a chimney under the heavy rain of summer, the scum silica frost of the anaerobic zone of first segment is brought into aeration zone, also can be because good in aeration
The effect of oxygen animalcule is just resolved for several days, and can be again returned in original stable operation, and water outlet is as clear as crystal.From this
Many conclusions are obtained in one successful demonstration project, the board-like bacteria bed developed has efficient biodegradable energy
Power should not block, and due to the form using bacteria bed, and sludge occurrence quantity is extremely limited, and there are no when the sludge so far
It cleared up, especially aeration space is connected with anaerobic zone space, has enough oxygen partial pressures, the scum silica frost quilt of first order anaerobic zone
Aerobic metazoa is decomposed, and whole system is made to form ecological chain, effectively promotes the degradation and purification of sanitary sewage.This
Covering biodegradation unit has very strong independence, once start, it is almost unattended, due to the raising of air pump quality, never
Stopped aeration due to mechanical breakdown, demonstration project did not stop, always stable operation.Just because of its reliability and practicality
Property, " standardization technology for treating domestic sewage in rural area Model R ＆ D and Demonstration And Extension " won Ministry of Agriculture 2012-2013 in 2014
The Golden Harvest first prize in year.
However, although single-apartment processing unit can handle family domestic sewage well, and almost unattended,
But device is too expensive after all, and one, a family is carried out in rural area, and the financial burden that is bound to is very big, and disperseed by country residents, potential difference
Different big limitation, pipeline network construction are not only expensive but also extremely difficult, it is virtually impossible to promote, therefore develop one kind and be suitable for China's national situation
Tupe it is particularly significant.
Invention content
In place of making up the deficiencies in the prior art, a kind of high treating effect, at low cost and pipe are provided
Net builds simple more family sanitary sewage hydrolytic tanks and purification tank combined treatment device.
The purpose of the present invention is what is realized by following technological means：
A kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device, including purification tank, are installed on the purification tank
Water inlet pipe and outlet pipe, the inside of the purification tank be separated into successively by partition board first order purification region, second level purification region,
The third level purifies region and precipitation tank, and water inlet pipe is connected with first order purification region, and outlet pipe is connected with precipitation tank, often
Biofilter material is respectively provided in a purification region, it is characterised in that：An aerator is respectively mounted in each purification region；In third
Grade purification installs an air-lift device in region；The water inlet pipe of purification tank connects one or more hydrolytic tank.
Moreover, three purification regions are respectively anaerobism groove and aerobic slot, the quantity of the anaerobism groove is 0-3, good
The quantity of oxygen slot is 1-3.
Moreover, the aerator includes aeration tube, gas valve and air pump, the bottom of aeration tube is arranged on purifying area
The lower part in domain, the top of aeration tube are connect with air pump, and are respectively mounted an independent gas valve on each aeration tube.
Moreover, the air-lift device includes tracheae, air lift tank and connecting tube, the upper end connection air pump of tracheae, and tracheae
One control valve of upper installation, the lower end connection air lift tank of tracheae；One end connection air lift tank of connecting tube, the other end extend to the
In first class purification region.
Moreover, the filter bed of the biofilter material is gasket packing filter bed, the surface of the gasket packing filter bed is drawn
Hair processing forms burr structure.
Moreover, the hydrolytic tank includes groove body, the side installation inlet ductwork of the groove body, one end position of the inlet ductwork
On the outside of groove body and user is connected, the other end stretches into the water inside groove body and forms fluid-tight；The opposite side installation outlet pipe of groove body
Road, one end of the export pipeline are stretched into the water inside groove body, and the other end extends on the outside of groove body and connects the water inlet of purification tank
Pipe.
Moreover, the water inlet end of the inlet ductwork is higher than the port of export of export pipeline, in the groove body of export pipeline
One baffler is set, and the upper end of the baffler has gap higher than liquid level between lower end and hydrolysis groove bottom.
Moreover, it between the two neighboring purification region, uses and turns one's coat between third level purification region and precipitation tank
Structure connects, and the structure of turning one's coat between two neighboring purification region is the slot structure of turning one's coat in its lower ending opening；The third level purifies
Structure of turning one's coat between region and precipitation tank is the lower ending opening form of its partition board.
Moreover, inclined surface is made in the bottom of the precipitation tank, and disinfection trough is set on the precipitation tank at outlet pipe position.
Moreover, it is respectively provided with gap between the biofilter material and purification trench bottom.
The advantages and positive effects of the present invention are：
1st, the present apparatus increases an air-lift device in purification tank third level purification region, is mainly used for novel process dress
It puts and the strain of input on startup, is allowed to form cycle in entire processing system, increase the averag density of microorganism in device, promote
Into the quick formation of bacteria bed.After bacteria bed is formed, such air-lift device can be out of service, allows more gas
Body is used to be aerated.
2nd, the present apparatus is all connected with aerating system in three purification regions of purification tank, and each aerating system is respectively by independence
Gas valve control, can be formed in single, two or three regions and be aerated simultaneously according to requiring, expansion processing capacity.Cause
Aerobic process degradation capability for biology is big more than anaerobic processes, and only aerobic aeration needs energy consumption, so optimization aeration
Measure one of content particularly important and of the invention to be optimized.
3rd, using gasket packing filter bed in the purification tank of the present apparatus, and plucking has been carried out to its surface in process
Processing, makes its surface more coarse, and purpose is exactly in order to which microorganism quickly forms bacteria bed on surface, because bacteria bed is
The main body of sanitary sewage degradation.
4th, each family sewage conduct can be because of much longer than single household of topography and distance, and the blocking of pipeline must just prevent, and consider
To the operation steady in a long-term of novel process device, it is necessary to be normalized from each household water outlet, make every sanitary sewage pre-
A small-sized hydrolytic tank is introduced into, therefore the water inlet pipe of the purification tank of the present apparatus connects one or more hydrolytic tank.The water
Baffle in solution slot promotes sewage from top to bottom, upward by bottom, then baffling, and the import and export pipeline is used and is directly protruding into water
Mode, water inlet pipe form fluid-tight, and the smell that anaerobic processes generate cannot return within doors；Outlet pipe is also stretched into water, can be to prevent
Only issuable scum silica frost enters outlet pipeline, avoids the blocking of downcomer.
5th, the hydrolytic tank in the present apparatus in addition to make it is simple other than, also other two purpose.When allow in family life into
Enter soil of hydrolytic tank etc and solids that microorganism cannot degrade is in this sedimentation separation, reduce subsequent novel process dress
The load put.Second is that using anaerobe preliminary treatment or degradation, more pollutants is allowed to be transformed into soluble pollutant,
Be conducive to the degradation of follow-up novel process device.
This 2 points act on and can realize the regression nature of sewage, the soil that water outlet cannot degrade without microorganism as far as possible it
The substance of class, but a kind of aqueous sewage.Every family all flows into novel process device with this sewage by pipeline, so to pipe
The requirement on road can lower, under the limited range in more families, can using the internal diameter of selection criteria as 10 centimeters of PVC downcomers,
Pipeline expense and operating expenses can be greatly reduced.
6th, the scum silica frost in hydrolytic tank can be taken out when organic fertilizer uses, and the water outlet of hydrolytic tank can be used for filling after dilution
Irrigate crops (such as：Pour dish, water flowers), so as to which resource rationally be utilized, refuse reclamation is realized, being especially suitable for rural area makes
With.
7th, the present invention can pass through selection according to treating capacity Rational choice anaerobism or aerobic mode in use
The air pump of different capacity adjusts aeration quantity, therefore the present apparatus is flexible and convenient to use, and practicability is good.
8th, the present invention be a kind of design science, rational in infrastructure, reliable more family sanitary sewage hydrolytic tanks and purification tank
Combined treatment device, the present apparatus are improved processing unit according to rural households' sanitary sewage disposal present situation, and by means of
The successful experience of demonstration project and actual effect have developed the more families combination pattern for being suitable for rural domestic sewage treatment.Using
In-situ treatment is realized after the present apparatus, wastewater treatment efficiency is improved, reduces processing cost, being suitable for rural area and be widely popularized.
Description of the drawings
Fig. 1 is the structure diagram of purification tank in the present invention；
Fig. 2 is the structure diagram of hydrolytic tank in the present invention；
Fig. 3 is the relationship between the BOD (BOD) in each region and water outlet and processing water；
Fig. 4 is two family farmers' combination process flow chart；
Fig. 5 is the water sample comparison diagram that two family rural household's life sewage demonstration projects are taken；
Fig. 6 is the water sample comparison diagram that two family process of villa rural household's life sewage demonstration projects are taken；
Fig. 7 is three family farmers' combination process flow chart；
Fig. 8 is four family farmers' combination process flow chart；
Fig. 9 is five family farmers' combination process flow chart；
Figure 10 is the water sample comparison diagram that five family rural household's life sewage are taken.
Specific embodiment
Describe the embodiment of the present invention in detail below in conjunction with the accompanying drawings；It should be noted that the present embodiment is narrative, no
It is limited, it is impossible to which protection scope of the present invention is limited with this.
A kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device, including purification tank 19, pacify on the purification tank
Water pipe 1 and outlet pipe 16 are put into, the inside of the purification tank is separated into the first order by partition board 13 and purifies region 2, the second level successively
Region 5, third level purification region 12 and precipitation tank 14 are purified, three purification regions are respectively anaerobism groove and aerobic slot, this is detested
The quantity of oxygen slot is 0-3, and the quantity of aerobic slot is 1-3, and quantity is set according to sewage quantity.The first order purifies region
Typically anaerobism groove.Water inlet pipe is connected with first order purification region, and outlet pipe is connected with precipitation tank, the bottom system of precipitation tank
Into inclined surface 17, and disinfection trough 15 is set on the precipitation tank at outlet pipe position.
It is connected between two neighboring purification region, between third level purification region and precipitation tank using structure 8 of turning one's coat, phase
Structure of turning one's coat between adjacent two purifications region is the slot structure of turning one's coat in its lower ending opening；The third level purifies region and precipitation tank
Between structure of turning one's coat be its partition board lower ending opening form.
The innovation of the invention consists in that：An aerator is respectively mounted in each purification region, which includes exposing
Tracheae 3, gas valve 4 and air pump 10, the bottom of aeration tube are arranged on the lower part in purification region, and top and the air pump of aeration tube connect
It connects, and an independent gas valve is respectively mounted on each aeration tube.
One air-lift device is installed in third level purification region, which includes tracheae 9, air lift tank 18 and connection
Pipe 6, the upper end connection air pump of tracheae, and a control valve 11 is installed on tracheae, the lower end connection air lift tank of tracheae；Connecting tube
One end connection air lift tank, the other end extend to the first order purification region in.
Biofilter material 7 is respectively provided in each purification region, gap is respectively provided between biofilter material and purification trench bottom.The life
The filter bed of object filtrate is gasket packing filter bed, and the surface of the gasket packing filter bed has carried out wharf's pavement quality and formed burr structure.
The water inlet pipe of purification tank connects one or more hydrolytic tank 20.The hydrolytic tank includes groove body 22, the groove body
Side installation inlet ductwork 21, one end of the inlet ductwork is located at groove body outside and connects user, and the other end is stretched into groove body
Fluid-tight is formed in the water in portion；The water inside groove body is stretched into the opposite side installation outlet pipeline 24 of groove body, one end of the export pipeline
In, the other end extends on the outside of groove body and connects the water inlet pipe of purification tank.The water inlet end of the inlet ductwork is higher than outlet
The port of export on road, one baffler 23 of setting in the groove body of export pipeline, the upper end of the baffler higher than liquid level, lower end with
There is gap between hydrolysis groove bottom.
The embodiment of the present invention is：
In order to efficiently use aeration, optimize aerobic region, establish level-one anaerobism, two, three-level be aerobic, pass through experimental investigation
Relationship between each region and the BOD (BOD) of water outlet and processing water, so as to obtain determining with directive significance
Magnitude relation, as shown in Figure 3.Under the conditions of water outlet BOD first class index is 10mg/L, new type purification slot can locate 7 family sanitary sewages, but
In view of practical situation, if being aerated using Two Areas, five family sanitary sewages of processing be completely can with.For this purpose, this hair
It is bright to propose a kind of the characteristics of not only having met rural area separated practices, but also cost of investment can be reduced, and sewage network can letter
The new process of change.
Embodiment one：
Two family farmers' are combined：As shown in figure 4, hydrolytic tank (1200X800X1200) two, new type purification slot
(2100X1200X1700) one is aerated, air pump power 80W, gas flow 80L/min, ton water consume using two, tertiary zone
Electricity is 0.48 yuan.
As shown in figure 5, two family rural household's life sewage demonstration projects：Two families share a hydrolytic tank, a new type purification slot,
Water sample from right to left is respectively hydrolytic tank, level-one anaerobism, two level aeration, the water outlet of three-level aeration, precipitation tank, disinfection trough.Water outlet
Water quality BOD be 9mg/L, as clear as crystal, colorless and odorless.
As shown in fig. 6, two family process of villa rural household's life sewage demonstration projects：Every one hydrolytic tank of family, shared one novel
Purification tank, water sample from right to left is respectively hydrolytic tank -1, hydrolytic tank -2, and level-one anaerobism, three-level aeration, precipitates two level aeration
Slot.Effluent quality BOD be 9mg/L, as clear as crystal, colorless and odorless.
Embodiment two：
Three family farmers' are combined：As shown in fig. 7, hydrolytic tank (1200X800X1200) three, new type purification slot
(2100X1200X1700) one is aerated, air pump power 100W, gas flow 100L/min, ton water using two, tertiary zone
Power consumption is 0.40 yuan.
Embodiment three：
Four family farmers' are combined：As shown in figure 8, hydrolytic tank (1200X800X1200) four, new type purification slot
(2100X1500X1700) one, the width of slot increases to 1500mm, is aerated using two, tertiary zone, air pump power 120W, gas
Body flow is 120L/min, and ton water consume electricity is 0.36 yuan.
Example IV：
Five family farmers' are combined：As shown in figure 9, hydrolytic tank (1200X800X1200) five, new type purification slot
(2100X1500X1700) one is aerated, air pump power 150W, gas flow 150L/min, ton water using two, tertiary zone
Power consumption is 0.36 yuan.
As shown in Figure 10, water sample from right to left is respectively hydrolytic tank, two level aeration, three-level aeration, disinfection trough water outlet.Go out
Water water quality BOD be 7mg/L, as clear as crystal, colorless and odorless.
Claims (3)
1. a kind of more family sanitary sewage hydrolytic tanks and purification tank combined treatment device, including purification tank, are installed on the purification tank
Water pipe and outlet pipe, the inside of the purification tank are separated into first order purification region, second level purification region, the by partition board successively
Three-level purifies region and precipitation tank, and water inlet pipe is connected with first order purification region, and outlet pipe is connected with precipitation tank, each
Purification is respectively provided with biofilter material in region, it is characterised in that：An aerator is respectively mounted in each purification region；In the third level
It purifies and an air-lift device is installed in region；The water inlet pipe of purification tank connects one or more hydrolytic tank；
The air-lift device includes tracheae, air lift tank and connecting tube, the upper end connection air pump of tracheae, and one is installed on tracheae
Control valve, the lower end connection air lift tank of tracheae；One end connection air lift tank of connecting tube, the other end extend to first order purifying area
In domain；With purification tank combined treatment device on startup, air-lift device allows the strain of input whole to more family sanitary sewage hydrolytic tanks
Cycle is formed in a processing system, increases more family sanitary sewage hydrolytic tanks and is averaged with microorganism in purification tank combined treatment device
Density promotes the quick formation of bacteria bed；After bacteria bed is formed, air-lift device is just out of service, allows more gas
Body is used to be aerated；
The hydrolytic tank includes groove body, and the side installation inlet ductwork of the groove body, one end of the inlet ductwork is located at outside groove body
Side simultaneously connects user, and the other end stretches into the water inside groove body and forms fluid-tight；The opposite side installation outlet pipeline of groove body, the outlet
One end of pipeline is stretched into the water inside groove body, and the other end extends on the outside of groove body and connects the water inlet pipe of purification tank；
The water inlet end of the inlet ductwork is higher than the port of export of export pipeline, one resistance of setting in the groove body of export pipeline
Partition board, the upper end of the baffler have gap higher than liquid level between the upper end of baffler and hydrolytic tank top inner wall, lower end with
There is gap between hydrolysis groove bottom；
The aerator includes aeration tube, gas valve and air pump, and the bottom of aeration tube is arranged on the lower part in purification region,
The top of aeration tube is connect with air pump, and is respectively mounted an independent gas valve on each aeration tube；
It is connected between two neighboring purification region, between third level purification region and precipitation tank using structure of turning one's coat, adjacent two
Structure of turning one's coat between a purification region is the slot structure of turning one's coat in its lower ending opening；The third level is purified between region and precipitation tank
Structure of turning one's coat be its partition board lower ending opening form；
Inclined surface is made in the bottom of the precipitation tank, and sets disinfection trough on the precipitation tank at outlet pipe position；
Gap is respectively provided between the biofilter material and purification trench bottom.
2. a kind of more family sanitary sewage hydrolytic tanks according to claim 1 and purification tank combined treatment device, feature exist
In：Three purification regions are respectively anaerobism groove and aerobic slot, and the quantity of the anaerobism groove is 0-3, and the quantity of aerobic slot is 1-3
It is a.
3. a kind of more family sanitary sewage hydrolytic tanks according to claim 1 and purification tank combined treatment device, feature exist
In：The filter bed of the biofilter material is gasket packing filter bed, and the surface of the gasket packing filter bed has carried out wharf's pavement quality and formed
Burr structure.
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| CN106587338A (en) * | 2016-12-29 | 2017-04-26 | 天津科技大学 | Multifunctional efficient degradation hydrolysis tank |
| CN112174322A (en) * | 2020-09-24 | 2021-01-05 | 贵州润鸿环保科技有限公司 | Box centralized middle and small-scale domestic sewage modular treatment system |
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| JP2000042578A (en) * | 1998-07-30 | 2000-02-15 | Hitachi Chem Co Ltd | Horizontally laid cylindrical septic tank |
| CN201962181U (en) * | 2011-04-25 | 2011-09-07 | 郭金陵 | Anti-blocking septic tank |
| CN103896395A (en) * | 2012-12-27 | 2014-07-02 | 苏州科技学院 | Novel partial-nitrosation anaerobic ammoxidation integrated reactor |
| CN205420076U (en) * | 2015-12-15 | 2016-08-03 | 富凯迪沃（天津）环保科技有限公司 | Many families domestic sewage hydrolysis groove with purify bank of cells and close treatment facility |
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