CN110342768A - A kind of Environmental-protection septic tank - Google Patents
A kind of Environmental-protection septic tank Download PDFInfo
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- CN110342768A CN110342768A CN201910674191.2A CN201910674191A CN110342768A CN 110342768 A CN110342768 A CN 110342768A CN 201910674191 A CN201910674191 A CN 201910674191A CN 110342768 A CN110342768 A CN 110342768A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such 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
- C02F3/02—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
- C02F7/00—Aeration of stretches of water
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
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Abstract
The present invention is a kind of Environmental-protection septic tank, mainly by septic tank, steam-electric power plant, air pump and sludge settling bucket composition；Using a kind of Environmental-protection septic tank of the present invention, the water quality that septic tank can be made to discharge reaches " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) primary standard, waste for implementing China's rural toilet revolution purifies processing up to standard, sewage is administered from rural area " source ", there is advanced popularization and application meaning, a kind of Environmental-protection septic tank of the present invention is reliable for operation, technology maturation, operation is easy, easy to maintenance, has extensive popularization and application foreground.
Description
Technical field
The present invention relates to a kind of Environmental-protection septic tanks, belong to field of environment protection equipment；
Background technique
With the implementation of China's rural toilet revolution and development country planning, it is desirable that the lavatory excrement generated to rural area " source "
Water carries out purifying processing up to standard；Currently, the liquid dung of three compartment septic tanks processing peasant family lavatory, i.e. lavatory are mainly carried out by China
Liquid dung is discharged to the first lattice of three-grid septic tank by water inlet first, the objects such as the biggish solids of specific gravity and parasitic ovum in a lattice
It precipitates, starts preliminary fermentation using the anaerobic bacteria in water and decompose, flow into the second lattice by the liquid manure of preliminary exposition,
And swim in excrement skin above and be deposited on following excrement slag and then stay in a lattice and continue to ferment in the second lattice, liquid manure is after supervention
Ferment decomposes, and worm's ovum continues to sink, and pathogen is gradually dead, and liquid manure obtains further innoxious, the excrement skin and excrement slag thickness of generation
It is substantially reduced than a lattice；The liquid manure for flowing into third lattice is generally decomposed, and wherein germ and parasitic ovum are killed substantially；Third
Lattice function mainly plays the substantially harmless liquid manure of temporary settlement on storage；However, traditional above-mentioned three compartment septic tank is discharged
Water although killed worm's ovum and pathogen, still, also in water, the organic matter not being decomposed in water is also a large amount of for the corpse of worm's ovum
In the presence of the relevant criterion of country is not achieved in the water quality that lavatory changes discharge, and after the water of septic tank discharge is exposed to aerial, meeting again can be slow
It is slow to foul, breed mosquito, the ecological environment near serious pollution septic tank；
Become Environmental-protection septic tank it has been reported that in publication number about remodeling is carried out to conventional septic tank
In CN109336349A " a kind of septic tank ", using the side of the biologic packing material filtering and anaerobism of primary reinforcement, secondary reinforcement
Method handles liquid dung, and there are the fillers of filtering easily to be blocked by solid excrement slag, and only the anaerobism process in septic tank is difficult to maintain liquid dung
Water quality emission compliance after anaerobism；In CN201910116462.2, " a kind of lavatory liquid dung or/and sanitary wastewater purification reach the applicant
Mark the remodeling septic tank of processing " and CN201910116461.8 " a kind of rural toilet liquid dung and sanitary wastewater processing up to standard change
Type septic tank " in, first lavatory liquid dung is filtered with double urn formula septic tanks or other more grid septic tanks pre- with preliminary anaerobism
Processing, then pretreated liquid dung is introduced into three formats configured with " anaerobism-and oxygen-aerobic " or after multi-grid septic tank carries out
Phase processing up to standard；Above-mentioned technical equipment has that process flow is long, and equipment investment is big, and complicated for operation, occupation area of equipment is big, special
It is not the national grid that electric power needed for aerobic aeration needs to connect peasant family, the power consumption economy for greatly increasing peasant household is negative
Load, affects the enthusiasm that peasant household lavatory changes；
Mainly use volume for 1 cubic metre, 1.5 cubic metres or 2 cubic metres of three formats currently, rural households, China lavatory changes
Glass toughening manure pit or three format plastic cement septic tanks select three compartment septic tank of appearance of septic tank according to family size, have valence
Lattice are low, easy for construction, the small advantage of occupied area；From 2015, three compartment septic tanks were extensive in China so far
It promotes the use of, still, haves the defects that the water quality of discharge is not up to standard；
Summary of the invention
The present invention seeks to overcome and make up the defect and deficiency of existing equipment technology, provides a kind of water quality emission compliance
Three compartment septic tank of environment-friendly type changes for the lavatory in rural area, especially for the row for having constructed and being embedded in underground now and be currently running
The water quality put three compartment septic tanks not up to standard carry out the improvement of the feature of environmental protection, it is ensured that the water quality reaching standard of septic tank discharge；Particularly,
Using solar powered, save peasant household lavatory and change electric cost expenditure using national grid, inexpensive operation carries out China, lavatory, rural area
" source " of institute's liquid dung is administered, and the Rapid Implementation for revitalizing country planning and Ecological Environment protection is promoted；
The purpose of the present invention is what is realized as follows:
A kind of Environmental-protection septic tank, mainly by septic tank, steam-electric power plant, air pump and sludge settling bucket composition；It beats
Become civilized manure pit third lattice pond top cover, sludge settling bucket is put into septic tank third lattice pond, the sludge settling barrel top cover can
To be higher than septic tank third lattice pond top cover, or lower than the configuration of septic tank third lattice pond top cover inside septic tank third lattice pond；
The top drainpipe of the sludge settling bucket is communicated with the connection of septic tank third lattice pond outlet pipe, the open bottom of sludge settling bucket
Portion configuration 10-30 centimetres of position above septic tank third lattice bottom of pond portion, the power supply output line of steam-electric power plant is by storing
The aerated conduit of the power supply line connection of battery and air pump, air pump outlet connection is inserted into septic tank third lattice pond, described
Air pump and/or battery configure the appropriate place outside septic tank, or be disposed on the top of sludge settling bucket drainpipe with
Between top cover lower part on partition with holes, solar panel configuration is fixed on suitable place outside septic tank；
The septic tank, belongs to three compartment septic tank available on the market, and material is that glass reinforced plastic, plastic cement or cement brick are mixed
Structure, three-grid septic tank into soil pipe, the first lattice pond, the second lattice pond, third lattice pond, manure through pipe, outlet pipe, top cover by forming；The
Partition is configured between one lattice pond and the second lattice pond, the top of partition, which configures a manure through pipe, makes the first lattice pond and the second lattice pond phase
It is logical, partition is configured between the second lattice pond and third lattice pond, the top of partition, which configures a manure through pipe, makes the second lattice pond and third lattice
Pond communicates；Retention precipitating and fermentation vat (the first lattice pond), again fermentation vat can be successively named as according to the major function in three lattice ponds
(the second lattice pond) and manure storage pond (third lattice pond), the volume of three-grid septic tank is essentially according to number of users, amount of flush water, manure fermentation
The requirement of decomposed time and the sterilizing of heavy ovum determines that manure fermentation decomposed time and pathogen death time be based on 30 days
It calculates, wherein need to stop 20 days in the first pond, the second pond is stopped 10 days, and third pool volume is at least the sum of two ponds；Under normal circumstances
First lattice pond, the second lattice pond, third lattice pond volumetric ratio should be 2: 1: 3, the excrement level Ying Baote in the first, second and third lattice pond
For not less than 1.0m, clear height is to differ the buoyance lift space that 0.2m gives over to excrement skin not less than 1.2m in pond；The liquid dung import of septic tank
With the effective pipeline connection of lavatory defecation；
The steam-electric power plant belongs to conventional steam-electric power plant, mainly by solar panel, electric power storage
Pond composition；The output voltage of steam-electric power plant power generation is 12V, 24V, 36V or 48V, solar panel be polysilicon or
Single-crystalline-silicon solar-cell panel, solar panel generate electricity after being irradiated by sunlight, and the electric power that solar panel issues passes through electricity
Power output lead, which is transported in battery, to be stored；The solar panel, including plate solar panel, foldability battery
Plate and flexibility solar panel；The battery, belonging to conventional input or output voltage is 12V, 24V, 36V or 48V electric power storage
Pond, wherein including lead-acid accumulator, nickel hydrogen storage battery, lithium ion battery, nickel-cadmium cell, sodium sulfur storage battery, nickel-zinc storage battery,
Lithium iron phosphate storage battery, zinc air battery and flywheel battery；
The air pump is conventional blower, oxygen increasing pump and air pump；
The sludge settling bucket is cylindrical or the shell of cuboid, the material of the shell be plastics, glass reinforced plastic,
Metal or pipe of cement, case top can configure top cover or be unworthy of top set lid, and the middle and lower part of enclosure interior configures filler, can also be with
It does not configure filler (see Fig. 4), the filler, including inclined plate packing, Ball-type packing, wire packing or honeycomb filler, belongs to often
The filler configured in sedimentation basin in the sewage treatment of rule, the separation for sludge and clear water in sewage treatment is used, described
The side at middle part configures drainpipe on shell, and the bottom-open of shell is not closed；The top and top of sludge settling bucket drainpipe
Partition with holes is configured between the lower part of lid, partition and the shell of the cylinder or cuboid are fixed together, described
Partition air pump is placed above；
The working principle of the invention is:
The excrement of peasant household's lavatory is first discharged into the first lattice of septic tank pond, and waste is trapped in the first lattice pond, detention precipitates
Parasitic ovum and anaerobic fermentation, anaerobic fermentation generate three layers of upper layer excrement skin, intermediate liquid manure and bottom excrement slag, will detest in the first lattice pond
The biogas that aerobe fermentation generates is by emission by exhaust pipe to environment；Liquid manure enters in the second lattice pond through manure through pipe among first lattice pond；
In the second lattice pond, the detention for continuing the first lattice pond precipitates parasitic ovum, depth anaerobic fermentation, and the concentration of free ammonia rises, sterilization
Anaerobic fermentation, the second lattice pond centre liquid manure enter in third lattice pond ovicidal through manure through pipe again, flow into the liquid manure in third lattice pond
Germ and worm's ovum are killed and are removed substantially, and feces of toilet is by the decomposition of the anaerobic bacteria in the first and second lattice pond, and excrement organic matter is
Through resolving into the substances such as the amino acid that can be dissolved in water, acetic acid, propionic acid, butyric acid, formic acid；Air pump is driven using steam-electric power plant
Work, the air delivery that air pump work generates supply oxygen or continuous into the liquid manure in third lattice pond to the intermittent aeration of liquid manure
Aeration oxygen supply carries out and oxygen/aerobic biochemical decomposition reaction, drops the Biochemical dissolved in liquid manure under the action of microorganism
Solution, is decomposed into carbon dioxide and water, carries out purifying processing up to standard to liquid manure；Feces of toilet is by the retention of the first and second lattice pond, resistance
Stay, after the simultaneous oxygen/aerobic decomposition in anaerobic degradation and third lattice pond, the numerical value of the COD of water, BOD, NH3-N are up to standard, by anaerobism,
Water after aerobic treatment enters sludge settling bucket and carries out standing sedimentation to the sludge in water, and water is static in sludge settling bucket
After sedimentation, the sludge in water is deposited in the bottom of sludge settling bucket, and the top of sludge settling bucket is the clear water that sedimentation separation goes out,
In order to improve the effect of settling of sludge, filler can be configured in sludge settling bucket, the clear water on sludge settling bucket top is passed through
Septic tank, the water quality reaching standard of discharge is discharged in septic tank third lattice pond discharge outlet；
Regularly open the lid at the top of the first lattice pond, the second lattice pond or third lattice pond, in septic tank excrement slag, do not drop
Solution substance and sludge carry out drawing discharge clearly, it is ensured that the unimpeded flowing of the liquid of septic tank；
The invention belongs to farmers''s lavatory liquid dungs constantly to enter in Environmental-protection septic tank by anaerobism and oxygen and aerobic biochemical
After degradation and sterilizing processing, the continuous treatment process of Environmental-protection septic tank is constantly discharged in the water up to standard of generation；
Doing following two comparative experimentss, the present invention is further explained:
To the feces of toilet of the two family rural households (family of five mouthfuls of people) of neighbourhood, in same environmental condition and same
Outdoor temperature under, the processing of the feature of environmental protection tested as follows respectively is compared:
Experiment one uses three traditional compartment septic tanks
(1) experimental facilities and condition
(1) peasant family population: five people；
(2) lavatory type: water closet, toilet flushing tank volume: 5 liters；
(3) septic tank: traditional commercially available three compartment septic tank, 1.5 cubic metres of volume, material is glass reinforced plastic；
(4) peasant family environment temperature: 18-27 DEG C；
(5) experimental period: 2 months, 60 days；
(2) experimental method:
Five people of each household averagely uses and generates for each person every day 5 liters of lavatory liquid dung, and each household is total averagely to generate liquid dung 25 daily
It rises, the liquid dung of lavatory is constantly discharged into is embedded in peasant household behind the house in three compartment septic tanks of underground, by two months or 60 daily
After it, the liquid dung of discharge reaches 1500 liters, and septic tank third lattice pond is filled by water；After 60 days, to septic tank third lattice pond
The water of discharge is tested, and by test analysis, the COD that water is discharged is 352mg/L, BOD 142mg/L, COD value and BOD value
Exceeded, " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) discharge standard is not achieved in the water quality of discharge,
" field irrigation water quality discharge standard " (GB5084-2005) discharge standard is not achieved；
Experiment two: using a kind of Environmental-protection septic tank of the present invention
(1) experimental facilities and condition
(1) peasant family population: five people；
(2) lavatory type: water closet, toilet flushing tank volume: 5 liters；
(3) septic tank: Environmental-protection septic tank of the present invention is used, 1.5 cubic metres of volume, material is glass reinforced plastic；Wherein, sludge
Settling box is assemblied in septic tank third lattice pond, and the honeycomb inclined plate packing of 30cm high diameter 50mm is configured in sludge settling bucket
The drainpipe of layer, sludge settling bucket is communicated with the connection of the water outlet in septic tank third lattice pond；
(4) steam-electric power plant: solar panel 12V, the 50AH of monocrystalline silicon, and battery is configured, solar panel
It is connect by controller with battery power input line by conducting wire, the solar panel and battery configure fixation
On ground step near septic tank；
(5) air pump: 60W, the gas output pressure 0.14MPa of air pump, the power supply line of air pump and the power supply of battery export
Stake connection communicates；Air pump is fixed on partition with holes in sludge settling bucket；
(6) peasant family environment temperature: 18-27 DEG C；
(7) experimental period: 2 months, 60 days；
(2) experimental method:
According to the principle of the invention, five people of each household averagely uses and generates for each person every day 5 liters of lavatory liquid dung, each household
It is total averagely to generate 25 liters of liquid dung daily, the liquid dung of lavatory is constantly discharged into three formattings for being embedded in peasant household underground behind the house daily
In manure pit, behind one month or 30 days, the liquid dung of discharge reaches 750 liters, and 1.5 cubic metres of septic tank is by liquid dung being filled to excrement
1/2 height of pond；Since the 30th day, disposably suitable aerobic microbial agent is added in third lattice pond, is utilized daily
The air pump that is driven by electricity of steam-electric power plant generation works, in the air delivery to third lattice pond that air pump is generated, to third
Water in lattice pond carries out aeration oxygen supply, and biochemical degradation is carried out under microbial action, and the organic matter in water is made to be decomposed into dioxy
Change carbon and water, water is carried out to purify processing up to standard；By 60 days, 1.5 cubic metres of septic tank was filled by water, to septic tank third
The water of lattice pond discharge is tested, and by test analysis, the COD that water is discharged is 48mg/L, BOD 8.5mg/L, COD value and BOD
Value meets " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one emission standard A；
According to above-mentioned experimental data, it is concluded that
1. the excrement in three traditional compartment septic tanks is after 60 days Anaerobic Treatments, the COD value for discharging water quality is
352mg/L, significantly larger than " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) three-level are the limit of 120mg/L
It is worth discharge standard, it is 200mg/L, water that " field irrigation water quality discharge standard " (GB5084-2005) dry farming COD limit value, which is also not achieved,
Field COD limit value is the discharge standard of 150mg/L；
2. utilizing Environmental-protection septic tank of the present invention, excrement discharges the COD value of water quality after 60 days anaerobism, Aerobic Process for Treatment
For 48mg/L, meeting " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one A standard regulation COD is
The requirement of 50mg/L standard limit, also complies with " field irrigation water quality discharge standard " (GB5084-2005) dry farming COD limit value and is less than
200mg/L, paddy field COD limit value are less than the discharge standard of 150mg/L；
In the present invention, three compartment septic tank third lattice ponds (also known as manure storage pond) of tradition are improved, are retrofited, in third lattice
Configuration aeration apparatus of oxygen supply and sludge settling bucket in pond carry out aerobic biochemical degradation, precipitating to the water in third lattice pond, make third lattice
Water emission compliance in pond, this is main feature of the invention；
In three compartment septic tank of environment-friendly type of the invention:
First lattice pond: waste is trapped, detention precipitating parasitic ovum and anaerobic fermentation, anaerobic fermentation generate upper layer excrement skin,
The COD value of three layers of intermediate liquid manure and bottom excrement slag, water is high；
Second lattice pond；Continuing the detention precipitating parasitic ovum in the first lattice pond, depth anaerobic fermentation, the concentration of free ammonia rises,
Ovicidal anaerobic fermentation again is sterilized, the COD value of water is lower than the COD value in the first lattice pond；
Third lattice pond: by the effect of aeration oxygen supply and microorganism, the organic matter in water be decomposed into carbon dioxide and
Water, well below the COD value in the second lattice pond, water quality reaches " urban wastewater treatment firm pollutant emission standard " for the COD value of water
(GB18918-2002) level-one A standard；
The beneficial effects of the present invention are:
Three compartment septic tanks of presently implemented peasant household's lavatory connection belong to setting for traditional feces of toilet sterilization inactivation
Standby, although the water of septic tank discharge has killed worm's ovum and pathogen, still, the corpse of worm's ovum also in water, is not decomposed in water
Organic matter also largely exist, the water quality that lavatory changes discharge be not achieved country relevant criterion, when septic tank discharge water be exposed to
It after aerial, can slowly foul again, breed mosquito, the ecological environment near serious pollution septic tank；The present invention is to tradition three
Compartment septic tank third lattice pond (also known as manure storage pond) improves, retrofits, configuration aeration apparatus of oxygen supply and dirt in third lattice pond
Mud settling box discharges the water in third lattice pond and reaches " urban wastewater treatment firm pollutant emission standard " (GB 18918-
2002) level-one A standard；
2. a kind of Environmental-protection septic tank of the present invention, be improved for existing three compartment septic tanks third lattice pond and
At, have structure simple, it is light-weight, it is cheap, it is easy for installation, belong to a kind of miniature liquid dung purification treating stations up to standard, it is right
Processing up to standard is purified in the waste for implementing the revolution of China's rural toilet, administers sewage from rural area " source ", there is advanced push away
Wide application value；
3. a kind of Environmental-protection septic tank of the present invention, reliable for operation, technology maturation, operation is easy, easy to maintenance, is had extensive
Marketing application prospect, have creative, novelty and good industrial applicibility；
Detailed description of the invention
Fig. 1 is a kind of Environmental-protection septic tank structural schematic diagram of the present invention；
Fig. 2 is a kind of sludge settling barrel structure schematic diagram of Environmental-protection septic tank of the present invention
Fig. 3 is a kind of Environmental-protection septic tank air pump of the present invention and battery configuration in septic tank formation outside schematic diagram；
Fig. 4 is the structural schematic diagram for not configuring filler in a kind of sludge settling bucket of Environmental-protection septic tank of the present invention；
Fig. 5 is a kind of structural schematic diagram of the Environmental-protection septic tank sludge settling bucket configuration of the present invention inside septic tank；
Fig. 6 is traditional three-grid septic tank structural schematic diagram that the present invention describes；
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6,1- liquid dung import, tri- compartment septic tank of 2-, 3- methane outlet, 4-
The first lattice of septic tank pond, the first lattice of 5- septic tank pond manure through pipe, the second lattice of 6- septic tank pond manure through pipe, the first lattice of 7- septic tank pond
Top cover, 8- aerated conduit, 9- septic tank third lattice pond top cover, 10- sludge settling bucket, 11- septic tank third lattice pond, 12- sludge
Precipitate barrel top cover, 13- sludge settling bucket drainpipe, the second lattice of 14- septic tank pond, 15- solar-cell panel support, the 16- sun
Energy solar panel, 17- solar electric power output lead, 18- air pump, the clear water region of 19- sludge settling bucket, 20- filler, 21- are dirty
Mud settling zone, partition 22- with holes, 23- septic tank third lattice pond outlet pipe, 24- battery；
Specific embodiment
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of Environmental-protection septic tank, mainly by septic tank (2), the sun
It can generating equipment, air pump (18) and sludge settling bucket (10) composition；Septic tank (2) third lattice pond (11) top cover (9) is opened, it will be dirty
Mud settling box (10) is put into septic tank (2) third lattice pond (11), and sludge settling bucket (10) top cover (12) can be higher than septic tank
(2) third lattice pond (11) top cover (9) (see Fig. 1), or configure lower than septic tank (2) third lattice pond top cover (9) in septic tank (2)
Third lattice pond (11) is internal (see Fig. 5)；The top drainpipe (13) of sludge settling bucket (10) and septic tank (2) third lattice pond (11)
Outlet pipe (23) connection communicates, and the open bottom configuration of sludge settling bucket (10) is on septic tank (2) third lattice pond (11) bottom
Square 10-30 centimetres of position, the power supply output line (17) of steam-electric power plant pass through the power supply of battery (24) and air pump (18)
The aerated conduit (8) of line connection, air pump (18) outlet connection is inserted into septic tank (2) third lattice pond (11), air pump (18) and/
Or the appropriate place (see Fig. 3) that battery (24) configuration is external in septic tank (2), or it is disposed on sludge settling bucket (10) draining
It manages on partition (22) with holes between the top and top cover (12) lower part of (13) (see Fig. 1), solar panel (15) configuration is solid
It is scheduled on suitable place outside septic tank (2)；
When work, the excrement of peasant household's lavatory is first discharged into (2) first lattice pond (4) of septic tank, in (2) first lattice of septic tank
Pond (4) interior waste is trapped, detention precipitates parasitic ovum and anaerobic fermentation, by (4) anaerobic fermentation in (2) first lattice pond of septic tank
The biogas of generation is by methane outlet (3) emission by exhaust pipe to environment；The intermediate liquid manure in (2) first lattice pond (4) of septic tank passes through excrement
(5) are managed to enter in (2) second lattice pond (14) of septic tank；In (2) second lattice pond (14) of septic tank, continue septic tank (2) first
The detention in lattice pond (4) precipitates parasitic ovum, depth anaerobic fermentation, and the concentration of free ammonia rises, and sterilizes ovicidal anaerobic fermentation again, changes
The intermediate liquid manure in (2) second lattice pond (14) of manure pit enters in septic tank (2) third lattice pond (11) through manure through pipe (6), flows into septic tank
(2) germ of the liquid manure of third lattice pond (11) and worm's ovum are killed substantially, drive air pump (18) work using steam-electric power plant
Make, the air delivery that air pump (18) work generates gives the intermittent exposure of liquid manure into the liquid manure in septic tank (2) third lattice pond (11)
Gas oxygen supply or continuous aeration oxygen supply progress and oxygen/aerobic biochemical decomposition reaction, make to dissolve in liquid manure under the action of microorganism
Biochemical degradation, be decomposed into carbon dioxide and water, liquid manure carried out to purify processing up to standard；Feces of toilet processization excrement
After (2) first and second lattice pond retention of pond, detention, the simultaneous oxygen/aerobic decomposition in anaerobic degradation and septic tank (2) third lattice pond (11), water
COD, the numerical value of BOD, NH3-N are up to standard, and the water after anaerobism, aerobic treatment enters sludge settling bucket (10) in water
Sludge carry out standing sedimentation, for water after sludge settling bucket (10) interior quiescent settling, the sludge in water is deposited in sludge settling
The bottom of bucket (10), the top of sludge settling bucket (10) are that the clear water that sedimentation separation goes out can in order to improve the effect of settling of sludge
To configure filler (20) in sludge settling bucket, the clear water on sludge settling bucket (10) top is passed through into septic tank (2) third lattice pond
(11) discharge outlet discharge septic tank (2), the water quality of discharge reach " urban wastewater treatment firm pollutant emission standard " (GB
18918-2002) level-one A standard；Regularly open the first lattice pond top cover (7), third lattice pond top cover (9), in septic tank (2)
Excrement slag, non-degradable substance and sludge carries out drawing discharge clearly, it is ensured that the unimpeded flowing of liquid in septic tank (2).
Claims (5)
1. a kind of Environmental-protection septic tank, special mainly by septic tank, steam-electric power plant, air pump and sludge settling bucket composition
Sign is: opening septic tank third lattice pond top cover, sludge settling bucket is put into septic tank third lattice pond, sludge settling barrel top cover
Septic tank third lattice pond top cover can be higher than, or lower than the configuration of septic tank third lattice pond top cover in septic tank third lattice pond
The top drainpipe in portion, sludge settling bucket is communicated with the connection of septic tank third lattice pond outlet pipe, the open bottom of sludge settling bucket
The power supply output line of configuration 10-30 centimetres of position above septic tank third lattice bottom of pond portion, steam-electric power plant passes through electric power storage
The aerated conduit of the power supply line connection in pond and air pump, air pump outlet connection is inserted into septic tank third lattice pond, air pump and/or storage
Battery configures the appropriate place outside septic tank, or is disposed between the top and top cover lower part of sludge settling bucket drainpipe
On partition with holes, solar panel configuration is fixed on suitable place outside septic tank.
2. a kind of Environmental-protection septic tank according to claim 1, it is characterised in that: the septic tank belongs in the market
Three compartment septic tanks of sale, material are glass reinforced plastic, plastic cement or cement brick mix structure, and three-grid septic tank is by into soil pipe, the first lattice
Pond, the second lattice pond, third lattice pond, manure through pipe, outlet pipe, top cover composition；Partition is configured between first lattice pond and the second lattice pond, every
The top of plate, which configures a manure through pipe, makes the first lattice pond and the second lattice Chi Xiangtong, configured between the second lattice pond and third lattice pond every
Plate, the top of partition, which configures a manure through pipe, makes the second lattice pond and third lattice Chi Xiangtong.
3. a kind of Environmental-protection septic tank according to claim 1, it is characterised in that: the steam-electric power plant belongs to
In conventional steam-electric power plant, mainly by solar panel, battery composition；The output of steam-electric power plant power generation
Voltage is 12V, 24V, 36V or 48V, and solar panel is polysilicon or single-crystalline-silicon solar-cell panel, the solar energy
Solar panel, including plate solar panel, foldability solar panel and flexibility solar panel；The battery belongs to conventional
Input or output voltage are 12V, 24V, 36V or 48V battery, wherein including lead-acid accumulator, nickel hydrogen storage battery, lithium ion
Battery, nickel-cadmium cell, sodium sulfur storage battery, nickel-zinc storage battery, lithium iron phosphate storage battery, zinc air battery and flywheel battery.
4. a kind of Environmental-protection septic tank according to claim 1, it is characterised in that: the air pump, be conventional blower,
Oxygen increasing pump and air pump.
5. a kind of Environmental-protection septic tank according to claim 1, it is characterised in that: the sludge settling bucket, is cylinder
The shell of shape or cuboid, the material of shell are plastics, glass reinforced plastic, metal or pipe of cement, case top can configure top cover or
It is unworthy of top set lid, the middle and lower part of enclosure interior configures filler, it can not also configure filler, the filler, including inclined plate packing,
Ball-type packing, wire packing or honeycomb filler, the side at middle part configures drainpipe on the shell, the bottom-open of shell,
It does not close；Configure partition with holes between the top of sludge settling bucket drainpipe and the lower part of top cover, partition and described
Cylindrical or cuboid shell is fixed together, and air pump is placed above in the partition.
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| CN201910674191.2A CN110342768A (en) | 2019-07-24 | 2019-07-24 | A kind of Environmental-protection septic tank |
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| CN201910674191.2A CN110342768A (en) | 2019-07-24 | 2019-07-24 | A kind of Environmental-protection septic tank |
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| CN110342768A true CN110342768A (en) | 2019-10-18 |
Family
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| CN111777259A (en) * | 2020-03-08 | 2020-10-16 | 哈尔滨工业大学 | Integrated small-sized sewage treatment device and treatment method |
| CN111825210A (en) * | 2020-08-14 | 2020-10-27 | 中南林业科技大学 | Three-stage septic tank device |
| CN111825211A (en) * | 2020-08-14 | 2020-10-27 | 中南林业科技大学 | Integrated single-family domestic sewage purification device |
| CN117088522A (en) * | 2023-10-19 | 2023-11-21 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water treatment equipment with low maintenance cost |
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