CN105859039A - Unpowered high-load underground leachate treatment compound system and method - Google Patents
Unpowered high-load underground leachate treatment compound system and method Download PDFInfo
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- CN105859039A CN105859039A CN201610326326.2A CN201610326326A CN105859039A CN 105859039 A CN105859039 A CN 105859039A CN 201610326326 A CN201610326326 A CN 201610326326A CN 105859039 A CN105859039 A CN 105859039A
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- 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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/302—Nitrification and denitrification 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Treatment Of Biological Wastes In General (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of sewage treatment in environment engineering, and particularly discloses an unpowered high-load underground leachate treatment compound system and method. The system comprises an automatic water distributor, a high-load underground infiltration compound unit and an automatic water drainage device, wherein the automatic water distributor and the automatic water drainage device are bell-shaped unpowered siphoning devices; the high-load underground infiltration compound unit comprises a covering layer, a primary water dispersion-air exhaust layer, a fine filtration layer, an air inlet layer, a refined filtration layer, a secondary water dispersion layer, an advanced treatment layer and a water drainage layer; the automatic water distributor is communicated with the primary water dispersion-air exhaust layer and the secondary water dispersion layer; the automatic water drainage device is communicated with the water drainage layer of the high-load underground infiltration compound unit. The invention further discloses a method for performing sewage treatment by using the system. Compared with the conventional unpowered underground infiltration, the sewage load is greatly improved, and the quality of drained water is higher.
Description
Technical field
The invention belongs to the technical field of sewage in environmental project, be specifically related to a kind of unpowered high load capacity
Subsurface infiltration sewage disposal hybrid system and method.
Background technology
In recent years, along with attention and the input of protection of the water environment are continued to increase by country and local government,
Water environment preventing and treating achieves certain effect, but, the with serious pollution situation of China's water does not obtains essence yet and holds back
System.Such as, China's industry, agricultural and domestic pollution discharge load are big, National Chemical oxygen demand total emission volumn
Being 2294.6 ten thousand tons, ammonia nitrogen total emission volumn is 238.5 ten thousand tons, remote hyperenvironment capacity；The control of whole nation earth's surface land that abounds in rivers and lakes
In section, 9.2% forfeiture water body is still had to use function (being inferior to V class), the emphasis lake (reservoir) of 24.6%
In eutrophic state；Much flow through the river irrigation canals and ditches in cities and towns black smelly etc..
The severe situation polluted for China's water, State Council formally issued " water prevention and cure of pollution row in 2015
Dynamic plan ".This document highlights the importance of science and technology support, encourages to accelerate research and development foresight technology, including
Sanitary sewage low cost high standard treatment technology.Therefore, research and development low cost, sanitary sewage that environmental benefit is good
Treatment technology is the Strategic Demand of China, controls to have great importance to the water environment pollution of China.
Waste water soil treatment system has the advantage of uniqueness reducing in processing cost, mainly include sewage at a slow speed
Diafiltration, quick diafiltration, overland flow and subsurface infiltration five type.Wherein, subsurface wastewater infiltration system is because being embedded in
Underground, does not gives an offensive smell, and does not affect view, is widely used in European and American developed countries.But traditional underground
Filtration system floor space is big, is difficult to popularization and application in China.Authorization Notice No. be CN103641270A and
The multiple means such as the patent of invention of CN102432105B is carried by batch (-type) pump, power ventilation and structure optimization,
Sewage load and the effluent quality of subsurface wastewater infiltration system are greatly improved, and compared with traditional biological technology,
Energy consumption is the lowest, manages easy maintenance, is therefore applicable to the process of the sanitary sewages such as village, town, holiday resort.
But, when processing the sanitary sewage of a family, a few family resident (or when processing several tons of sanitary sewages day), by
Purchase the equipment such as submersible sewage pump, Middle pressure draught fan, control system in needs, cause ton water investment the highest, the most also
Inapplicable.Additionally, there is the place of drop, power supply instability in physical features such as mountain areas, unpowered technology is the most more
Welcome.
Owing to system for anaerobic treatment is without aeration oxygen supply, it is highly convenient for being designed to unpowered sewage disposal device,
Therefore, a lot of inventions are adopted in this way, and such as notification number is the patent of invention of CN101613169B.So
And, owing to the removal of Organic substance, ammonia nitrogen is required to consume oxygen, therefore anaerobism unpowered sewage disposal device
Effluent quality poor, it is impossible to qualified discharge.
The oxygen delivery capacity of unpowered sewage disposal device is the key of decision systems success or failure.Tradition subsurface infiltration is such as
Fruit does not use pump hoisting way water distribution, it is simply that unpowered device, but due to oxygen limitation, load-bearing capacity is very
Low (generally less than 5cm/d).Compared with continuous water distribution, batch (-type) water distribution contributes to seeking inside subsurface infiltration
Make the environment of alternation of wetting and drying and improve its reoxygenation ability, thus improving the system removal effect to aerobic pollution.
The developed country such as American-European uses siphon mode batch (-type) water distribution at subsurface wastewater infiltration system, decrease system energy consumption and
Fault rate, but sewage load is not significantly improved.
Siphon water distribution also has application in artificial swamp.Authorization Notice No. is the practical new of CN201272717Y
Type patent is by arranging inverted U and L-type siphon, it is achieved that the intermittent unpowered of vertical current constructed wetland
Water distribution.Similar with tradition subsurface wastewater infiltration system, only by batch (-type) water distribution, reoxygenation is limited in one's ability, still can not
Increase substantially sewage load.Authorization Notice No. is the patent of invention of CN101671092B, has invented one
Combined tidal flow artificial wetland sewage disposal system, achieves intermittent loading and draining by siphon, in filter
Oxygen intake in material evacuation procedure, increases the reoxygenation ability of system.But, under high-load condition, this
Planting offering oxygen way still may be not enough, it addition, denitrification zone, bottom may cause denitrification because lacking organic carbon source
Effect is poor.
Summary of the invention
In place of shortcoming and defect for solution prior art, the primary and foremost purpose of the present invention is to provide a kind of without dynamic
Power high load capacity subsurface infiltration sewage disposal hybrid system.It is effectively improved this system by multiple technologies means
Oxygen delivery capacity and the supply of anaerobic zone organic carbon source.This system not only Non-energy-consumption, effluent quality are good, Er Qieneng
Enough operations steady in a long-term.
Another object of the present invention is to provide one to utilize said system to carry out unpowered high load capacity subsurface infiltration
The method of sewage disposal.
The object of the invention is achieved through the following technical solutions:
A kind of unpowered high load capacity subsurface infiltration sewage disposal hybrid system, including automatic water-locator, high load capacity
Subsurface infiltration recombiner unit and automatic water trap；Described automatic water-locator and automatic water trap are bell without dynamic
Power siphoning installation；Described high load capacity subsurface infiltration recombiner unit includes cover layer the most successively, once dissipates
Water-exhaust level, fine filtering layer, air inlet layer, filter bed of essence, secondary aproll layer, advanced treating layer and drainage blanket；Institute
State an automatic water-locator aproll-exhaust level by U-shaped water sealing (sealing water) pipe and high load capacity subsurface infiltration recombiner unit and
Secondary aproll layer connects, and described automatic water trap connects with the drainage blanket of high load capacity subsurface infiltration recombiner unit.
Described system also includes that grid pond and anaerobic precipitation pond, described grid pond connect with anaerobic precipitation pond, institute
State anaerobic precipitation pond to connect with automatic water-locator.
The foreign material such as rubbish are mainly removed in described grid pond, described anaerobic precipitation pond mainly precipitation bulky grain thing
Matter and the biodegradability of raising sewage.Described grid pond and anaerobic precipitation pond can be according to sanitary sewage water quality conditions
Arranged or cast out.Described automatic water-locator and automatic water trap are the unpowered siphoning installation of bell,
Its function is to be oozed high load capacity underground to high load capacity subsurface infiltration recombiner unit intermittence water distribution and intermittence respectively
Water in filter recombiner unit is discharged.
Described automatic water-locator includes the first bell jar that first exhaust-water sealing (sealing water) pipe, bottom are uncovered, both sides length not
First U-tube of one, the first base fixing the first U-tube and first exhaust-bursting tube；Described automatic row
Hydrophone include the second bell jar that second exhaust-water sealing (sealing water) pipe, bottom are uncovered, both sides the second U-tube different in size,
Fix the second base and the second exhaust-bursting tube of the second U-tube.First exhaust-water sealing (sealing water) pipe one end inserts first
Inside the long end of U-tube, insertion depth is bottom the first bell jar and between the first U-tube short end, the other end
Stretch out from the first bell jar top；First exhaust-bursting tube and the first U-tube short end are connected, the first U-tube
It is fixed on the first base；Second exhaust-water sealing (sealing water) pipe one end is inserted inside the second long end of U-tube, insertion depth
Bottom the second bell jar and between the second U-tube short end, the other end stretches out from the second bell jar top；Second
Aerofluxus-bursting tube and the second U-tube short end are connected, and the second U-tube is fixed on the second base.
It is embedded with a water distributor and exhaustor, the external unpowered wind of exhaustor in a described aproll-exhaust level
Machine；It is embedded with air inlet pipe in described air inlet layer；Air inlet pipe stretches out earth's surface, and its top connects Ventilated cap, Ventilated cap
Exceed earth's surface more than 10 centimetres；Described secondary aproll layer is embedded with secondary water spraying pipe；Described automatic water-locator leads to
Cross U-shaped water sealing (sealing water) pipe and high load capacity subsurface infiltration recombiner unit the water pipe of two layers of cloth up and down (i.e. one time water distributor and
Secondary water spraying pipe) connection, and in lower floor's water distributor (i.e. secondary water spraying pipe) front end equipped with ball valve regulate into
Enter the sewage quantity of upper and lower two layers of cloth water pipe；Described drainage blanket is embedded with the drain pipe that catchments, described automatic water trap
Connect with the drain pipe that catchments of drainage blanket.
One preferred version of the present invention, wherein, described cover layer is greenery patches, nonirrigated farmland or surface dust etc..
One preferred version of the present invention, wherein, a described aproll-exhaust level, air inlet layer, secondary aproll
Layer and drainage blanket are constituted by the rubble that particle diameter is 10～40mm.
One preferred version of the present invention, wherein, described fine filtering layer is the one in fluvial sand, zeolite and haydite
Or mixed by several；The saturated coefficient of permeability of described fine filtering layer is 0.1～1.0cm/s.
One preferred version of the present invention, wherein, described filter bed of essence is provided with 2～3 subgrades, and each subgrade is respectively
Mix, respectively for the one in fluvial sand, zeolite, haydite, calcium soil and sand or by several
The permeability of subgrade reduces successively；The saturated coefficient of permeability of described filter bed of essence is 0.01～0.2cm/s.
One preferred version of the present invention, wherein, advanced treating layer is haydite, zeolite, irony rubble and silicon
One in matter rubble or mixed by several, the particle diameter of haydite and zeolite is 3～10mm, irony rubble and
The particle diameter of siliceous rubble is 5～10mm.
One preferred version of the present invention, wherein, a described water distributor is the PVC of diameter 40～75mm
Pipe, its both sides and bottom have apron hole pockety (near-end is thin, far-end is close)；Described secondary aproll
Pipe is the pvc pipe of diameter 40～75mm, and its both sides and bottom have apron hole (near-end pockety
Dredge, far-end close)；Described exhaustor is the pvc pipe of diameter 50～110mm, and tube wall has passage；Institute
Stating the pvc pipe that air inlet pipe is diameter 50～110mm, tube wall has passage；The described drain pipe that catchments is straight
The pvc pipe in footpath 50～75mm, tube wall two STH, open ended, this pipe is connected with automatic water trap.
One preferred version of the present invention, wherein, is provided with collecting gutter bottom described drainage blanket, described in catchment row
Water pipe is placed in collecting gutter.
One preferred version of the present invention, wherein, described no-power air blower bore is 110～200mm, its peace
Dress height generally higher than 1 meter；In order to increase ventilation effect, several nothing can be set according to system scale size
Driven fan cooperation；The major function of described no-power air blower is to utilize natural wind and cross-ventilated former
Reason is aerated ventilation to filtrate.
A kind of method utilizing said system to carry out unpowered high load capacity subsurface infiltration sewage disposal, specific as follows:
Sewage (preferably first passing through grid and anaerobic precipitation) enters automatic water-locator, and water level upwards raises,
Trigger bell siphoning installation when being raised to certain altitude, by siphonage, sewage sent into high load capacity subsurface infiltration
An aproll-exhaust level in recombiner unit and secondary aproll layer, send into the sewage quantity of this two-layer by being arranged at two
The ball valve regulation of secondary aproll layer front end；The unsaturation diafiltration downwards successively of the sewage of aproll-exhaust level is through thin
Filtering layer and filter bed of essence, in the process, Organic substance is adsorbed to be intercepted and is decomposed by soil microorganism, NH4 +Logical
Crossing Nitrification to remove, phosphorus is then removed by adsorption precipitation；
When sewage sequentially passes through fine filtering layer and filter bed of essence arrives secondary aproll layer, except main with nitre in sewage
Outside the nitrogen that state nitrogen exists, other pollutant major part is removed；Now, this part water and secondary water spraying pipe
Water distribution (fresh sewage) mixing after downwardly together diafiltration enter advanced treating layer；When in advanced treating layer
When water level rises to secondary aproll layer top, the automatic water trap connected with the drain pipe that catchments is due to siphonage
Start outside draining, when the water level in advanced treating layer with automatic water trap is reduced to bottom bell jar, siphon
Destroyed, stop draining.
One preferred version of the present invention, wherein, a described aproll-exhaust level and the water distribution of secondary aproll layer
Volume ratio is 1～2:1.
The inventive method has built top filtrate batch filter presses, bottom filtrate always respectively at advanced treating layer
The environment of waterflooding (saturated), i.e. aerobic-anaerobic alternate environment has been built on top, amphimicrobian has been built in bottom
Environment.So arrange on the one hand can utilize the Organic substance in newly entering raw sewage as denitrifying carbon source,
Improve the clearance of total nitrogen, unemployed Organic substance on the other hand can be made again to decompose under aerobic condition and turn
Change, will not result in blockage because of accumulation.Meanwhile, the ammonia nitrogen of residual also can go under aerobic condition further
Remove.
In order to ensure the oxygen supply of system, native system has two kinds of oxygen supply mechanism, and one is high load capacity underground
The no-power air blower oxygen supply mechanism of diafiltration recombiner unit, another kind is advanced treating layer draining reoxygenation mechanism.The
A kind of aerator is made as: no-power air blower is arranged on and exceeds the height that earth's surface is higher, itself has one and pulls out wind
Effect, additionally in natural wind or filtrate with under the effect of the outdoor temperature difference, the air warp of an aproll-exhaust level
Being discharged system by no-power air blower, fresh air enters air inlet layer via air inlet pipe, and is upward through fine filtering layer
Enter an aproll-exhaust level, thus form a circulation, go round and begin again for fine filtering layer ventilation.With
Time filter bed of essence top layer also can because of natural diffuseness-exchange reoxygenation.The second aerator is made as: advanced treating layer is every
The water of secondary discharge how many volumes, will suck the fresh air of how many volumes from air inlet layer；Advanced treating layer is every
Secondary draining depth is suitable with the thickness of filter bed of essence filtrate, and such drainage procedure is exactly the mistake for filter bed of essence reoxygenation
Journey.Both aerators are shaped with effect and ensure that the oxygen supply of fine filtering layer and filter bed of essence, thus have ensured system
Operation steady in a long-term.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) by siphoning installation achieve the unpowered intermittent water inlet of high load capacity subsurface infiltration recombiner unit and
Draining, sewage load increases substantially, and effluent quality is more preferable；(2) added by two-layer water distribution and be
System sewage load, provides organic carbon source for anti-nitration reaction simultaneously；(3) two kinds of unpowered oxygen supplys it are provided with
Mechanism is combined for high load capacity subsurface infiltration recombiner unit ventilation, has ensured the supply of system oxygen.
Accompanying drawing explanation
Fig. 1 is the waste water processes of the unpowered high load capacity subsurface infiltration sewage disposal hybrid system of the present invention
Figure, wherein, 1-grid pond, 2-anaerobic precipitation pond, the automatic water-locator of 3-, 4-high load capacity subsurface infiltration is compound single
Unit, 5-automatic water trap.
Fig. 2 is one of the unpowered high load capacity subsurface infiltration sewage disposal hybrid system of the present invention and is embodied as
The cross sectional representation of mode, wherein, the automatic water-locator of 3-, 4-high load capacity subsurface infiltration recombiner unit, 5-is certainly
Dynamic water trap, the low liquid level of the automatic water-locator of 31-, 32-first exhaust-water sealing (sealing water) pipe, 33-automatic water-locator high liquid level (HLL),
34-the first bell jar, 35-the first U-tube, 36-the first base, 37-first exhaust-bursting tube, 38-U type water
Tube sealing, 39-ball valve, 41-cover layer, aproll-exhaust level of 42-, water distributor of 42P-, 43-fine filtering layer,
44-air inlet layer, 44P-air inlet pipe, 45-filter bed of essence, bis-aproll layers of 46-, bis-water spraying pipe of 46P-, 47-is deep
Degree processes layer, 48-drainage blanket, and 48P-catchments drain pipe, and 49-no-power air blower, 49P-exhaustor, 51-is automatic
The low liquid level of water trap, 52-second exhaust-water sealing (sealing water) pipe, 53-automatic water trap high liquid level (HLL), 54-the second bell jar, 55-
Second U-tube, 56-the second base 56,57-second exhaust-bursting tube, 58-drain pipe.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but the embodiment party of the present invention
Formula is not limited to this.
The waste water processes figure of the unpowered high load capacity subsurface infiltration sewage disposal hybrid system of the present invention such as figure
Shown in 1, sewage first passes around grid pond 1 and removes rubbish, foreign material, subsequently into anaerobic precipitation pond 2.Anaerobism
Sedimentation tank 2 Main Function is to remove particulate matter and improve the biodegradability of sewage, and its water outlet enters automatic cloth
Hydrophone 3.Again by the bell siphoning installation that is placed in automatic water-locator 3 by intermittent for sewage feeding high load capacity
Subsurface infiltration recombiner unit 4, then by automatic water trap 5 by the water in high load capacity subsurface infiltration recombiner unit 4
Intermittent discharge.
Embodiment 1
Being used for processing sewage by the unpowered high load capacity subsurface infiltration sewage disposal hybrid system of the present invention, this is
System cross sectional representation as in figure 2 it is shown, described automatic water-locator 3 and automatic water trap 5 be bell without
Power siphoning installation, its function is to the intermittent water distribution of high load capacity subsurface infiltration recombiner unit 4 and interval respectively
Property by high load capacity subsurface infiltration recombiner unit 4 water discharge；Described high load capacity subsurface infiltration recombiner unit 4
Include 41, aproll-exhaust level 42 of cover layer, fine filtering layer 43, air inlet layer 44, essence the most successively
Filtering layer 45, secondary aproll layer 46, advanced treating layer 47 and drainage blanket 48；Described automatic water-locator 3 passes through
Aproll-exhaust level 42 of U-shaped water sealing (sealing water) pipe and high load capacity subsurface infiltration recombiner unit 4 and secondary aproll layer
46 connections, described automatic water trap 5 connects with the drainage blanket 48 of high load capacity subsurface infiltration recombiner unit 4；
Described automatic water-locator 3 includes the first bell jar 34, the both sides that first exhaust-water sealing (sealing water) pipe 32, bottom are uncovered
First U-tube 35 different in size, the first base 36 fixing the first U-tube 35 and first exhaust-peace
Full pipe 37；Described automatic water trap 5 include the second bell jar 54 that second exhaust-water sealing (sealing water) pipe 52, bottom are uncovered,
Both sides the second U-tube 55 different in size, fix the second base 56 and second exhaust of the second U-tube 55
-bursting tube 57；
It is embedded with a water distributor 42P and exhaustor 49P, exhaustor in a described aproll-exhaust level 42
The external no-power air blower of 49P 49, described no-power air blower 49 bore is 160mm, and its major function is to utilize
The temperature difference and natural wind are aerated ventilation to filtrate, and its setting height(from bottom) is for exceeding 2 meters of earth's surface；Described air inlet layer
Air inlet pipe 44P it is embedded with in 44；Air inlet pipe 44P stretches out earth's surface, and its top connects Ventilated cap, and Ventilated cap exceeds
10 centimetres of earth's surface；Described secondary aproll layer 46 is embedded with secondary water spraying pipe 46P；Described automatic water-locator 3
The water pipe of two layers of cloth up and down (i.e. one time cloth by U-shaped water sealing (sealing water) pipe 38 with high load capacity subsurface infiltration recombiner unit 4
Water pipe 42P and secondary water spraying pipe 46P) connect, and front at lower floor's water distributor (i.e. secondary water spraying pipe 46P)
Hold the sewage quantity entering upper and lower two layers of cloth water pipe equipped with ball valve 39 regulation；Described drainage blanket 48 is embedded with and catchments
Drain pipe 48P, described automatic water trap 5 connects with the drain pipe 48P that catchments of drainage blanket 48.
Automatically, when water-locator 3 and automatic water trap 5 use for the first time, first exhaust-bursting tube 37 need to be first passed through
With second exhaust-bursting tube 57 respectively to the first U-tube 35, U-shaped water sealing (sealing water) pipe 38 and the second U-tube 55
Interior water filling forms water seal.
Described cover layer 41 is the surface dust that 10cm is thick, surface grafting carpetweed；A described aproll-exhaust level
42, air inlet layer 44, secondary aproll layer 46 and drainage blanket 48 are constituted by the rubble that particle diameter is 10～40mm,
Filling thickness is 10cm；Described fine filtering layer 43 effluent sand, zeolite mix with haydite, load thickness
For 15cm, saturated coefficient of permeability is 0.1～0.5cm/s；Described filter bed of essence 45 is provided with 2 subgrades (upper subgrade
With lower subgrade), upper subgrade filling thickness is 10cm, and effluent sand, zeolite, haydite and sand mix,
Saturated coefficient of permeability is 0.05～0.2cm/s；Lower subgrade filling thickness is 15cm, effluent sand, zeolite, calcareous
Soil and sand mix, and saturated coefficient of permeability is 0.01～0.05cm/s.Described advanced treating layer by particle diameter is
The irony of 5～10mm and siliceous rubble composition, filling thickness is 50cm.
A described water distributor 42P is the pvc pipe of diameter 50mm, and its both sides and bottom have skewness
Even apron hole (near-end is thin, far-end is close)；Described secondary water spraying pipe 46P is the pvc pipe of diameter 40mm,
Its both sides and bottom have apron hole pockety (near-end is thin, far-end is close)；Described exhaustor 49P and
Air inlet pipe 44P is the pvc pipe of diameter 50mm, and tube wall has the passage being evenly distributed；Described catchment
Drain pipe 48P is the pvc pipe of diameter 50mm, tube wall two STH, open ended, and this pipe level is passed through
Bottom automatic water trap 5.
Automatically water-locator 3 uses intermittent water inlet, intakes every day 8 times, a described aproll-exhaust level 42
Be 2:1 with the water distribution ratio of secondary aproll layer 46, then an aproll-exhaust level 42 and secondary aproll layer 46 are every
Secondary water inlet height is respectively 2.5cm and 1.25cm.Automatic water trap 5 uses intermittent draining, draining every day
4 times, water-locator 3 is often intake 2 times i.e. automatically, and automatic water trap 5 draining is once.
The operational mode of unpowered high load capacity subsurface infiltration sewage disposal hybrid system is: the sewage non-timed is quantitative
After entering automatic water-locator 3, water level upwards raises, when exceeding first exhaust-water sealing (sealing water) pipe 32, and the first bell jar
Having sealed a certain amount of air in 34 up for safekeeping, now the water level in the first bell jar 34 is owing to bearing air pressure, on it
Lifting speed is slower than outside the first bell jar 34；When the water level outside the first bell jar 34 is increased to automatic water-locator height liquid
During face 33, the water level in the first bell jar 34 begins to flow into the reducer pipe of the first U-tube 35, thus triggers clock
Type siphoning installation, sends into rapidly in high load capacity subsurface infiltration recombiner unit 4 by siphonage by sewage
Secondary aproll-exhaust level 42 and secondary aproll layer 46；When the water level outside the first bell jar 34 is reduced to automatic water-locator
During low liquid level 31, siphon inlet stops.The unsaturation diafiltration downwards successively of the sewage of aproll-exhaust level 42 is worn
Meticulous filtering layer 43 and filter bed of essence 45, converge at advanced treating layer with the sewage of secondary aproll layer 46, through facultative
Flow into automatic water trap 5 from bottom after anoxic treatment；Water level in automatic water trap 5 and advanced treating layer 47
Water level flushes, and when water level is increased to automatic water trap high liquid level (HLL) 53, triggers siphoning installation, is made by siphon
Discharge with by the water of advanced treating layer 47；When in automatic water trap 5, water level drops to the low liquid level of automatic water trap 51
Time siphon drainage stop.
The sewage of above-mentioned test is Guangzhou Geochemistry Inst., Chinese Academy of Sciences's community life sewage, through the several months
Monitoring is analyzed, and the main pollutant consistence of water inlet is: COD=150～250mg/L, ammonia nitrogen=30～55mg/L
With total nitrogen=36～60mg/L.Process through the present invention unpowered high load capacity subsurface infiltration sewage disposal hybrid system
After, COD=20～40mg/L, ammonia nitrogen=1～4mg/L and total nitrogen=15～30mg/L.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-mentioned reality
Execute the restriction of example, the change made under other any spirit without departing from the present invention and principle, modification,
Substitute, combine, simplify, all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. a unpowered high load capacity subsurface infiltration sewage disposal hybrid system, it is characterised in that include automatically
Water-locator, high load capacity subsurface infiltration recombiner unit and automatic water trap；Described automatic water-locator and Auto-drainage
Device is the unpowered siphoning installation of bell；Described high load capacity subsurface infiltration recombiner unit includes the most successively
Cover layer, aproll-exhaust level, fine filtering layer, air inlet layer, filter bed of essence, secondary aproll layer, an advanced treating
Layer and drainage blanket；Described automatic water-locator is by U-shaped water sealing (sealing water) pipe and the one of high load capacity subsurface infiltration recombiner unit
Secondary aproll-exhaust level connects with secondary aproll layer, described automatic water trap and high load capacity subsurface infiltration recombiner unit
Drainage blanket connection.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levying and be, described system also includes that grid pond and anaerobic precipitation pond, described grid pond connect with anaerobic precipitation pond,
Described anaerobic precipitation pond connects with automatic water-locator.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levy and be, described automatic water-locator include first exhaust-water sealing (sealing water) pipe, the first bell jar, the first U-tube, first
Base and first exhaust-bursting tube；Described automatic water trap include second exhaust-water sealing (sealing water) pipe, the second bell jar,
Two U-tube, the second base and second exhaust-bursting tube.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levying and be, be embedded with a water distributor and exhaustor in a described aproll-exhaust level, the external nothing of exhaustor is moved
Power blower fan；It is embedded with air inlet pipe in described air inlet layer；Air inlet pipe stretches out earth's surface, and its top connects Ventilated cap, thoroughly
Gas cap exceeds earth's surface more than 10 centimetres；Described secondary aproll layer is embedded with secondary water spraying pipe；Described automatic water distribution
Device is connected with a water distributor and the secondary water spraying pipe of high load capacity subsurface infiltration recombiner unit by U-shaped water sealing (sealing water) pipe,
And enter a water distributor and the sewage quantity of secondary water spraying pipe in secondary water spraying pipe front end equipped with ball valve regulation；
Described drainage blanket is embedded with the drain pipe that catchments, and described automatic water trap connects with the drain pipe that catchments of drainage blanket.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levying and be, described cover layer is greenery patches, nonirrigated farmland or surface dust；
A described aproll-exhaust level, air inlet layer, secondary aproll layer and drainage blanket are 10～40mm by particle diameter
Rubble constitute；
Described fine filtering layer is the one in fluvial sand, zeolite and haydite or is mixed by several；Described fine filtering layer
Saturated coefficient of permeability be 0.1～1.0cm/s；
Described filter bed of essence is provided with 2～3 subgrades, each subgrade be respectively fluvial sand, zeolite, haydite, calcium soil and
One in sand or mixed by several, the permeability of the most each subgrade reduces successively；Described essence
The saturated coefficient of permeability of filtering layer is 0.01～0.2cm/s；
Advanced treating layer is haydite, one in zeolite, irony rubble and siliceous rubble or by several mixing
Becoming, the particle diameter of haydite and zeolite is 3-10mm, and the particle diameter of irony rubble and siliceous rubble is 5～10mm.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levying and be, a described water distributor is the pvc pipe of diameter 40～75mm, and its both sides and bottom have distribution
Uneven apron hole；Described secondary water spraying pipe is the pvc pipe of diameter 40～75mm, its both sides and bottom
Have apron hole pockety；Described exhaustor is the pvc pipe of diameter 50～110mm, and tube wall has
Passage；Described air inlet pipe is the pvc pipe of diameter 50～110mm, and tube wall has passage；Described catchment
Drain pipe is the pvc pipe of diameter 50～75mm, tube wall two STH, open ended.
Unpowered high load capacity subsurface infiltration sewage disposal hybrid system the most according to claim 1, it is special
Levy and be, bottom described drainage blanket, be provided with collecting gutter, described in the drain pipe that catchments be placed in collecting gutter；
Described no-power air blower bore is 110～200mm, and its setting height(from bottom) is more than 1 meter.
8. the unpowered high load capacity subsurface infiltration sewage disposal hybrid system utilized described in claim 1 is entered
The method of the unpowered high load capacity subsurface infiltration sewage disposal of row, it is characterised in that specifically comprise the following steps that
Sewage enters automatic water-locator, and water level upwards raises, and is raised to during certain altitude trigger bell siphoning installation,
By siphonage, sewage sent into an aproll-exhaust level in high load capacity subsurface infiltration recombiner unit and secondary
Aproll layer；The unsaturation diafiltration downwards successively of the sewage of aproll-exhaust level is through fine filtering layer and filter bed of essence；
After the sewage of an aproll-exhaust level sequentially passes through fine filtering layer and filter bed of essence arrives secondary aproll layer, with
After the water distribution mixing of secondary aproll layer, diafiltration enters advanced treating layer downwardly together；Water in advanced treating layer
When position rises to secondary aproll layer top, automatic water trap starts outside draining due to siphonage, works as the degree of depth
When process layer is reduced to bottom bell jar with the water level in automatic water trap, siphon is destroyed, and stops draining.
The method of unpowered high load capacity subsurface infiltration sewage disposal the most according to claim 8, its feature
Being, described sewage is 1～2:1 at the water distribution volume ratio of an aproll-exhaust level and secondary aproll layer.
The method of unpowered high load capacity subsurface infiltration sewage disposal the most according to claim 8, it is special
Levying and be, described sewage first sequentially passes through grid pond and anaerobic precipitation pond and processes, and enters back into automatic water-locator.
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| CN114735828A (en) * | 2022-04-14 | 2022-07-12 | 四川农业大学 | Methane emission control's compound vertical current constructed wetland system |
| CN115124197B (en) * | 2022-07-21 | 2023-11-03 | 重庆大学 | Tower type filter tank for treating macromolecular refractory pollutants and treatment method |
| CN115124197A (en) * | 2022-07-21 | 2022-09-30 | 重庆大学 | Tower type filter tank for treating macromolecular degradation-resistant pollutants and treatment method |
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