CN109809646A - A kind of pig excrement and sewage processing unit and method - Google Patents
A kind of pig excrement and sewage processing unit and method Download PDFInfo
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- CN109809646A CN109809646A CN201910222761.4A CN201910222761A CN109809646A CN 109809646 A CN109809646 A CN 109809646A CN 201910222761 A CN201910222761 A CN 201910222761A CN 109809646 A CN109809646 A CN 109809646A
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- 239000010865 sewage Substances 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 124
- 238000001556 precipitation Methods 0.000 claims abstract description 57
- 238000004880 explosion Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000001376 precipitating effect Effects 0.000 claims abstract description 12
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 53
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 21
- 238000004321 preservation Methods 0.000 claims description 19
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- 241000894006 Bacteria Species 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 13
- 241001148470 aerobic bacillus Species 0.000 claims description 11
- 210000003608 fece Anatomy 0.000 claims description 11
- 239000010871 livestock manure Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 7
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000004155 Chlorine dioxide Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 3
- 238000012258 culturing Methods 0.000 claims description 3
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- 235000015097 nutrients Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000003672 processing method Methods 0.000 abstract description 6
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
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- 239000002351 wastewater Substances 0.000 description 2
- 241000589220 Acetobacter Species 0.000 description 1
- 241000588986 Alcaligenes Species 0.000 description 1
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- 238000005273 aeration Methods 0.000 description 1
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- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A kind of pig excrement and sewage processing unit, it is related to technical field of sewage, mainly for the treatment of a large amount of pig excrement and sewages of lasting generation, including collection anaerobic pond, by-pass filtration anaerobic pond, secondary filtration anaerobic pond, aerobic tank, first stage precipitation tank and the second-level settling pond set gradually;It collects and is equipped with separating dry space from moist space device between anaerobic pond and by-pass filtration anaerobic pond, be provided with gas explosion device in aerobic tank.The present invention also provides a kind of pig excrement and sewage processing methods, and its step are as follows: (1) decomposer is cultivated;(2) pig excrement and sewage is collected and preliminary Anaerobic Treatment;(3) filtering precipitating and Anaerobic Treatment;(4) Aerobic Process for Treatment;(5) Anaerobic Treatment is precipitated again;(6) disinfection and sterilization is handled.Sewage-treatment plant structure of the invention is simple, manufacturing cost is low, continuously-running, treatment effeciency are high, sewage load is big.Sewage water treatment method of the invention handles sewage using the method that physical sedimentation filtering and biodegrade combine, environmentally protective.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of pig excrement and sewage processing unit, the invention further relates to one
Boar waste method for treating water.
Background technique
Increasingly developed with aquaculture industry of China, pig breeding industry is cultivated from pervious self-employed worker, develops into large-scale cultivation,
But with the expansion of cultivation scale, a large amount of pig manures will cause air pollution, and pig house is usually urinated along with pig and cleaned to pig manure
Waste water, this waste water, which arbitrarily discharges, will cause serious water pollution.With the raising of environmental requirement, polluted by pig manure bring
Become urgent problem.In the prior art, methane-generating pit is used usually in pig excrement and sewage treatment process, due to methane-generating pit
Presence will lead to pig excrement and sewage processing the time be long, treating capacity is limited, be unable to satisfy a large amount of pig excrement and sewages processing of lasting generation
Demand.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide, a kind of structure is simple, at sewage
Reason measures big pig excrement and sewage processing unit.
The present invention thus solve another technical problem there is provided a kind of pig excrement and sewage processing methods.
The technical problem to be solved by the present invention is to what is realized by technical solution below.A kind of pig manure of the invention
Sewage-treatment plant, its main feature is that: including set gradually collection anaerobic pond, by-pass filtration anaerobic pond, secondary filtration anaerobic pond,
Aerobic tank, first stage precipitation tank and second-level settling pond;
It collects and is equipped with separating dry space from moist space device between anaerobic pond and by-pass filtration anaerobic pond, the feed inlet of separating dry space from moist space device passes through feed pipe
Road, which is passed through, collects in anaerobic pond, and the liquid outlet opening of separating dry space from moist space device is passed through in by-pass filtration anaerobic pond by outlet tube road;
By-pass filtration anaerobic pond and secondary filtration anaerobic pond disjunctor are simultaneously total to partition wall setting, in by-pass filtration anaerobic pond and secondary filtration
There is the first partition wall between anaerobic pond, offer the first overflow on the wall of by-pass filtration anaerobic pond side in the first partition wall
Slot, the depth that the first overflow launder opens up in the horizontal direction on the first partition wall account for the 1/3 to 2/3 of the first partition wall thickness, and first overflows
The groove body of chute is in 2/3 or more position of the first partition wall height, the width of the width of the first overflow launder less than the first partition wall;?
First filtering screen frame is installed on the first partition wall wall of by-pass filtration anaerobic pond side, the first filtering screen frame is completely covered on
First overflow launder is on the end face of by-pass filtration anaerobic pond side;The first overflow launder of connection and second level are installed on the first partition wall
The communicating pipe for filtering anaerobic pond, tapping valve is installed on communicating pipe;
Secondary filtration anaerobic pond is equipped with water pump by pipeline connection aerobic tank on pipeline;Gas explosion is provided in aerobic tank
Device;Aerobic tank is equipped with water pump by pipeline connection first stage precipitation tank on pipeline;
First stage precipitation tank and second-level settling pond disjunctor are simultaneously total to partition wall setting, have the between first stage precipitation tank and second-level settling pond
Two partition walls offer the second overflow launder in the second partition wall on the wall of first stage precipitation tank side, the second overflow launder second every
The depth opened up in the horizontal direction on wall accounts for the 1/3 to 2/3 of the second partition wall thickness, and the groove body of the second overflow launder is in the second partition wall
2/3 or more position of height, the width of the width of the second overflow launder less than the second partition wall;Close to the second of first stage precipitation tank side
Second filtering screen frame is installed, the second filtering screen frame is completely covered on the second overflow launder close to first stage precipitation tank side on partition wall wall
End face on, be equipped on the second partition wall connection the second overflow launder and second-level settling pond communicating pipe, installed on communicating pipe
There is tapping valve.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: heating rod is equipped in the aerobic tank, aerobic tank is equipped with heat preservation mechanism, and heat preservation mechanism includes sunlight shed and heat insulating cloth
Layer, sunlight shed are fixedly mounted on right above aerobic tank, and heat preservation layer of cloth is covered on aerobic tank.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the heat preservation layer of cloth is made of the insulating layer of internal layer and the waterproof layer of outer layer;The heating rod is equipped with water string, prevents
The bottom of jacket pipe is fixedly connected in the mounting base of heating rod, and the power supply line of heating rod passes through from water string.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the gas explosion device includes air blower and gas pipeline, and gas pipeline is connected with the gas outlet of air blower, gas pipeline
On gas explosion head is installed, the arrangement of gas explosion head uniform intervals is mounted on gas pipeline, is fixedly installed at the air taking port of air blower
The both ends nozzle of three-way connection, gas pipeline is fixedly connected on three-way connection, gas pipeline be uniformly distributed be arranged in it is aerobic
Bottom of pond portion.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the air blower is Roots blower, and the power of Roots blower is 2.2KW -7.5KW.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the gas explosion head is arranged in every square metre of quantity no less than 1.5 of aerobic bottom of pond portion.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the processing system is additionally provided with an aerobic standby pool, aerobic standby pool and aerobic tank disjunctor and is total to partition wall setting.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the first filtering screen frame includes filter screen and the fixed frame for installing filter screen, and second filters screen frame and the first mistake
The structure of filter screen frame is identical.
A kind of pig excrement and sewage processing unit of invention described above, further preferred technical solution or technology are special
Point is: the aperture of the filter screen is no more than 0.5mm.
The present invention also provides a kind of pig excrement and sewage processing methods using aforementioned pig excrement and sewage processing unit, and step is such as
Under:
(1) decomposer is cultivated
First it is added in collecting anaerobic pond, by-pass filtration anaerobic pond, secondary filtration anaerobic pond, first stage precipitation tank and second-level settling pond
The tap water of 20cm-30cm depth, is then added anaerobic bacteria, using the culturing sludge anaerobic bacteria of bottom of pond, makes anaerobism contained in water
Bacterium number amount is not less than 200,000,000 cfu/mL;
The gas explosion device in aerobic tank is opened, and the tap water of 20-30cm depth is added in aerobic tank pond, is then added aerobic
Bacterium makes good use of the nutrient culture aerobic bacteria of oxygen tank bottom sludge, and aerobic bacteria cultivated days are 7-15 days, makes aerobic contained in water
Bacterium number amount is not less than 200,000,000 cfu/mL;
Aerobic bacteria and anaerobic bacteria be disclosed in the prior art or it is commercially available any one be suitable for the aerobic of pig excrement and sewage processing
Bacterium and anaerobic bacteria, such as aerobic bacteria have the types such as nitrifier, Alcaligenes, streptococcus and bacillus pumilus, and anaerobic bacteria has anti-nitre
Change the types such as bacterium, methanogen, pseudomonad and acetobacter.
(2) pig excrement and sewage is collected and preliminary Anaerobic Treatment
It is discharged into and is collected in anaerobic pond after the pig excrement and sewage that pig house generates is collected, using the anaerobic bacteria collected in anaerobic pond to pig manure
Sewage carries out biodegradable processing, is then carried out at separating dry space from moist space by separating dry space from moist space device to the pig excrement and sewage collected in anaerobic pond
Reason, the pig manure solid otherwise processed isolated;
(3) filtering precipitating and Anaerobic Treatment
The sewage that separating dry space from moist space device is isolated, which is transported in by-pass filtration anaerobic pond, carries out precipitation process, first closes level-one at this time
The valve between anaerobic pond and secondary filtration anaerobic pond is filtered, after waiting the sewage in by-pass filtrations sedimentation basin to staticly settle, then is opened
Valve makes the sewage in by-pass filtration sedimentation basin flow into secondary filtration anaerobic pond after the first filtering screen frame filtering and carries out again
Precipitating;Biodegrade is carried out to sewage using the anaerobic bacteria in by-pass filtration anaerobic pond and secondary filtration anaerobic pond in precipitation process
Processing;Total number of days that sewage is handled in collecting anaerobic pond, by-pass filtration anaerobic pond and secondary filtration anaerobic pond is no less than 7 days;
(4) Aerobic Process for Treatment
It from top to bottom extracts the supernatant of sewage in secondary filtration anaerobic pond and is transported in aerobic tank, using good in aerobic tank
Oxygen bacterium carries out biodegrade processing to reduce BOD and COD in water to sewage under the action of gas explosion device;At aerobic decomposition
Maintain the temperature of sewage in aerobic tank between 10 DEG C -60 DEG C by attemperator during reason, when sewage temperature in aerobic tank
Start heating rod when lower than 10 DEG C to heat sewage in aerobic tank, sewage is handled at least 48 hours in aerobic tank;
(5) Anaerobic Treatment is precipitated again
Closing gas explosion device makes aerobic tank stand 2 hours, and the supernatant of sewage in aerobic tank is then drawn into first stage precipitation tank
It is middle to be precipitated again, the valve between first stage precipitation tank and second-level settling pond is first closed at this time, when first stage precipitation tank staticly settles
Afterwards, then open valve, make supernatant in first stage precipitation tank flowed into after the second filtering screen frame filtering in second-level settling pond into
Row precipitating;Biodegradable processing is carried out to sewage using the anaerobic bacteria in first stage precipitation tank and second-level settling pond in precipitation process,
Total number of days that sewage is handled in first stage precipitation tank and second-level settling pond is no less than 7 days;
(6) disinfection and sterilization is handled
The valve between first stage precipitation tank and second-level settling pond is closed, then using chlorine dioxide to the sewage in second-level settling pond
Sterilizing processing is carried out, sewage qualified discharge or is back to flushing pig house after sterilizing is handled in second-level settling pond.
Compared with prior art, the invention has the following advantages:
(1) in pig excrement and sewage processing unit of the invention, using by-pass filtration anaerobic pond and secondary filtration anaerobic pond to pig manure dirt
Water carries out precipitating filtration treatment, can carry out biodegradable processing to sewage using aerobic tank, finally utilize first stage precipitation tank and two
Grade sedimentation basin is precipitated filtration treatment to sewage again, by the combination energy for repeatedly precipitating filtration treatment and biodegrade processing
The impurity and organic matter of pig excrement and sewage are effectively reduced, the pollution level to environment, and the configuration of the present invention is simple, manufacturing cost are reduced
Low, continuously-running, sewage treating efficiency are high, sewage load is big.
(2) it in pig excrement and sewage processing unit of the invention, is made of on aerobic tank heat preservation layer of cloth, sunlight shed and heating rod
Heat preservation mechanism, the sewage in aerobic tank can be made to maintain the breeding that preference temperature is conducive to microorganism, sewage can be accelerated
The speed of processing, and it is energy saving.
(3) in pig excrement and sewage processing unit of the invention, gas explosion head is mounted on gas pipeline, and the both ends of gas pipeline are logical
It crosses three-way connection to be connected with air blower, this makes air pressure constant in gas pipeline, avoids the tolerance decaying in gas pipeline, makes
Gas explosion effect is more preferable.
(4) in pig excrement and sewage processing method of the invention, using the organic matter in pig excrement and sewage cultivate a large amount of anaerobic bacterias and
Aerobic bacteria, realizes the biodegrade to pig excrement and sewage, and treatment process is environmentally protective.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram of the invention;
Fig. 2 is the first filtering screen frame mounting structure schematic diagram in Fig. 1.
Fig. 3 is A direction view in Fig. 2.
Fig. 4 is aerobic tank structural schematic diagram in Fig. 1;
In figure, 1 is collection anaerobic pond;2 be separating dry space from moist space device;3 be by-pass filtration anaerobic pond;4 be secondary filtration anaerobic pond;5 are
Aerobic tank;6 be aerobic standby pool;7 be first stage precipitation tank;8 be second-level settling pond;9 be the first filtering screen frame;10 be heating rod;
11 be heat preservation layer of cloth;12 be gas explosion head;13 be water string;14 be sunlight shed;15 be air blower;16 be three-way connection;17 are
Second filtering screen frame;18 be the first flow-conveying groove,;19 be the first midfeather.
Specific embodiment
The specific technical solution of the present invention is further described below in conjunction with attached drawing, in order to which those skilled in the art is into one
Step ground understands the present invention, without constituting the limitation to its right.
Embodiment 1, referring to Fig.1, a kind of pig excrement and sewage processing unit, including set gradually collection anaerobic pond, level-one mistake
Filter anaerobic pond, secondary filtration anaerobic pond, aerobic tank, first stage precipitation tank and second-level settling pond;
It collects and is equipped with separating dry space from moist space device between anaerobic pond and by-pass filtration anaerobic pond, the feed inlet of separating dry space from moist space device passes through feed pipe
Road, which is passed through, collects in anaerobic pond, and the liquid outlet opening of separating dry space from moist space device is passed through in by-pass filtration anaerobic pond by outlet tube road;
Reference Fig. 2 and Fig. 3, by-pass filtration anaerobic pond and secondary filtration anaerobic pond disjunctor are simultaneously total to partition wall setting, detest in by-pass filtration
There is the first partition wall between oxygen pond and secondary filtration anaerobic pond, opened on the wall of by-pass filtration anaerobic pond side in the first partition wall
Equipped with the first overflow launder, the depth that the first overflow launder opens up in the horizontal direction on the first partition wall accounts for the 1/ of the first partition wall thickness
2, the groove body bottom of the first overflow launder is in 4/5 position of the first partition wall height, and the width of the first overflow launder is less than the first partition wall
Width, the width of the first overflow launder can be set as to the 1/4 of the width of the first partition wall;Close to the of by-pass filtration anaerobic pond side
First filtering screen frame is installed, the first filtering screen frame is completely covered on the first overflow launder to be detested close to by-pass filtration on one partition wall wall
On the end face of oxygen pond side;Be installed on the first partition wall, even the communicating pipe of connection the first overflow launder and secondary filtration anaerobic pond
Tapping valve is installed on siphunculus, can will extend into communicating pipe in secondary filtration anaerobic pond, tapping valve is mounted on second level mistake
It filters on the communicating pipe in anaerobic pond.
Secondary filtration anaerobic pond is equipped with water pump by pipeline connection aerobic tank on pipeline;It is provided in aerobic tank
Gas explosion device, to be sufficiently aerated to aerobic tank 5;Aerobic tank is equipped on pipeline by pipeline connection first stage precipitation tank
Water pump;
First stage precipitation tank and second-level settling pond disjunctor are simultaneously total to partition wall setting, have the between first stage precipitation tank and second-level settling pond
Two partition walls offer the second overflow launder in the second partition wall on the wall of first stage precipitation tank side, the second overflow launder second every
The depth opened up in the horizontal direction on wall accounts for the 1/ 2 of the second partition wall thickness, and the groove body bottom of the second overflow launder is in the second partition wall
The width of second overflow launder can be set as second less than the width of the second partition wall by 4/5 position of height, the width of the second overflow launder
The 1/4 of partition wall width;The second filtering screen frame, the second filter screen are installed on the second partition wall wall close to first stage precipitation tank side
Frame is completely covered on the second overflow launder on the end face of first stage precipitation tank side, and the second overflow of connection is equipped on the second partition wall
The communicating pipe of slot and second-level settling pond, tapping valve is installed on communicating pipe, can will extend into second-level settling pond communicating pipe, arranges
Liquid valve was mounted on the communicating pipe in second-level settling pond.
The aperture of first filtering screen frame and the filter screen on the second filtering screen frame is 0.5mm.Can make the first overflow launder and
Second overflow launder upwardly extend perforation the first partition wall and the second partition wall so that it is convenient to observe filtering screen frame filter effect,
Keep cleaning in overflow launder more convenient.
Embodiment 2, in a kind of pig excrement and sewage processing unit described in embodiment 1: the aperture of the filter screen is
0.425mm.Referring to Fig. 4, heating rod is installed in the aerobic tank, aerobic tank is equipped with heat preservation mechanism, and heat preservation mechanism includes sun
Light canopy and heat preservation layer of cloth, sunlight shed are fixedly mounted on right above aerobic tank, and heat preservation layer of cloth is covered on aerobic tank.Utilize sunlight shed
14 and heat preservation layer of cloth 11 maintain the sewage temperature in aerobic tank between 10-60 DEG C, this temperature range can make microorganism fast
Speed breeding.When winter, temperature was too low, then local heating is carried out to aerobic tank 5 using heating rod 10, make sewage temperature in aerobic tank
Degree maintains between 10-60 DEG C.
Embodiment 3, in a kind of pig excrement and sewage processing unit described in embodiment 1 or 2: the aperture of the filter screen is
0.3mm.The heat preservation layer of cloth is made of the insulating layer of internal layer and the waterproof layer of outer layer;The heating rod is equipped with water string,
The bottom of water string is fixedly connected in the mounting base of heating rod, and the power supply line of heating rod passes through from water string.It is good
A large amount of foams can be generated when 5 gas explosion of oxygen pond, heat preservation layer of cloth 11, which is covered on aerobic tank 5, can also play the role of eliminating foam;It is anti-
Jacket pipe 13 is mainly used to keep apart 10 electric wire of heating rod with foam, and electric wire is prevented to be corroded.
Embodiment 4, in a kind of pig excrement and sewage processing unit described in embodiment 1 or 2 or 3: the aperture of the filter screen is
0.25mm.Referring to Fig. 4, the gas explosion device includes air blower and gas pipeline, and gas pipeline is connected with the gas outlet of air blower
It connects, gas explosion head is installed, the arrangement of gas explosion head uniform intervals is mounted on gas pipeline, at the air taking port of air blower on gas pipeline
It is fixedly installed with three-way connection, the both ends nozzle of gas pipeline is fixedly connected on three-way connection, and gas pipeline is uniformly distributed
It is arranged in aerobic bottom of pond portion.
Embodiment 5, in a kind of pig excrement and sewage processing unit described in any one of embodiment 1-4: the filter screen
Aperture is 0.18mm.The air blower is Roots blower, and the power of Roots blower is 2.2KW.
Embodiment 6, in a kind of pig excrement and sewage processing unit described in any one of embodiment 1-5: the filter screen
Aperture is 0.15mm.It is 2 that the gas explosion head, which is arranged in every square metre of quantity of aerobic bottom of pond portion, to carry out to sewage in pond
Sufficiently aeration.
Embodiment 7, in a kind of pig excrement and sewage processing unit described in any one of embodiment 1-6: the filter screen
Aperture is 0.09mm.The processing system is additionally provided with an aerobic standby pool, aerobic standby pool and aerobic tank disjunctor and is total to partition wall and sets
It sets.When aerobic tank 5 needs dredging, the equipment in aerobic tank 5 is moved on in aerobic standby pool 6, and make secondary filtration anaerobism
Sewage in pond 4 is drawn into aerobic standby pool 6 by water pump to be handled.
Embodiment 8, in a kind of pig excrement and sewage processing unit described in any one of embodiment 1-7: first filtering
The structure of screen frame and the second filtering screen frame is identical, is made of fixed frame and filter screen, and filter screen is fixedly connected on fixed frame,
Fixed frame and the first midfeather and the second midfeather abut setting, make sewage that can only be flowed into overflow launder 5 from filter screen
In.
Embodiment 9, in a kind of pig excrement and sewage processing unit described in any one of embodiment 1-8: the filter screen
Aperture is 0.09mm, and nylon mesh can be selected in filter screen.
Embodiment 10, a kind of pig excrement and sewage processing method, the processing method use described in any one of embodiment 1-9
Pig excrement and sewage processing unit, includes the following steps step:
(1) decomposer is cultivated
First it is added in collecting anaerobic pond, by-pass filtration anaerobic pond, secondary filtration anaerobic pond, first stage precipitation tank and second-level settling pond
The tap water of 25cm depth, is then added anaerobic bacteria, using the culturing sludge anaerobic bacteria of bottom of pond, makes anaerobic bacteria quantity contained in water
Not less than 200,000,000 cfu/mL;
The gas explosion device in aerobic tank is opened, and the tap water of 25cm depth is added in aerobic tank pond, aerobic bacteria is then added, benefit
The nutrient culture aerobic bacteria of oxygen tank bottom sludge is made good use of, aerobic bacteria cultivated days are 7-15 days, make aerobic bacterium number contained in water
Amount is not less than 200,000,000 cfu/mL;
Nitrifier can be selected in aerobic bacteria, and denitrifying bacterium can be selected in anaerobic bacteria.
(2) pig excrement and sewage is collected and preliminary Anaerobic Treatment
It is discharged into and is collected in anaerobic pond after the pig excrement and sewage that pig house generates is collected, using the anaerobic bacteria collected in anaerobic pond to pig manure
Sewage carries out biodegradable processing, is then carried out at separating dry space from moist space by separating dry space from moist space device to the pig excrement and sewage collected in anaerobic pond
Reason, the pig manure solid otherwise processed isolated;
(3) filtering precipitating and Anaerobic Treatment
The sewage that separating dry space from moist space device is isolated, which is transported in by-pass filtration anaerobic pond, carries out precipitation process, first closes level-one at this time
The valve between anaerobic pond and secondary filtration anaerobic pond is filtered, after waiting the sewage in by-pass filtrations sedimentation basin to staticly settle, then is opened
Valve makes the sewage in by-pass filtration sedimentation basin flow into secondary filtration anaerobic pond after the first filtering screen frame filtering and carries out again
Precipitating;Biodegrade is carried out to sewage using the anaerobic bacteria in by-pass filtration anaerobic pond and secondary filtration anaerobic pond in precipitation process
Processing;Total number of days that sewage is handled in collecting anaerobic pond, by-pass filtration anaerobic pond and secondary filtration anaerobic pond is no less than 7 days;
(4) Aerobic Process for Treatment
It from top to bottom extracts the supernatant of sewage in secondary filtration anaerobic pond and is transported in aerobic tank, using good in aerobic tank
Oxygen bacterium carries out biodegrade processing to reduce BOD and COD in water to sewage under the action of gas explosion device;At aerobic decomposition
Maintain the temperature of sewage in aerobic tank between 10 DEG C -60 DEG C by attemperator during reason, when sewage temperature in aerobic tank
Start heating rod when lower than 10 DEG C to heat sewage in aerobic tank, sewage is handled at least 48 hours in aerobic tank;
(5) Anaerobic Treatment is precipitated again
Closing gas explosion device makes aerobic tank stand 2 hours, and the supernatant of sewage in aerobic tank is then drawn into first stage precipitation tank
It is middle to be precipitated again, the valve between first stage precipitation tank and second-level settling pond is first closed at this time, when first stage precipitation tank staticly settles
Afterwards, then open valve, make supernatant in first stage precipitation tank flowed into after the second filtering screen frame filtering in second-level settling pond into
Row precipitating;Biodegradable processing is carried out to sewage using the anaerobic bacteria in first stage precipitation tank and second-level settling pond in precipitation process,
Total number of days that sewage is handled in first stage precipitation tank and second-level settling pond is no less than 7 days;
(6) disinfection and sterilization is handled
The valve between first stage precipitation tank and second-level settling pond is closed, then using chlorine dioxide to the sewage in second-level settling pond
Sterilizing processing is carried out, sewage qualified discharge or is back to flushing pig house after sterilizing is handled in second-level settling pond.
Claims (10)
1. a kind of pig excrement and sewage processing unit, it is characterised in that: including set gradually collection anaerobic pond, by-pass filtration anaerobism
Pond, secondary filtration anaerobic pond, aerobic tank, first stage precipitation tank and second-level settling pond;
It collects and is equipped with separating dry space from moist space device between anaerobic pond and by-pass filtration anaerobic pond, the feed inlet of separating dry space from moist space device passes through feed pipe
Road, which is passed through, collects in anaerobic pond, and the liquid outlet opening of separating dry space from moist space device is passed through in by-pass filtration anaerobic pond by outlet tube road;
By-pass filtration anaerobic pond and secondary filtration anaerobic pond disjunctor are simultaneously total to partition wall setting, in by-pass filtration anaerobic pond and secondary filtration
There is the first partition wall between anaerobic pond, offer the first overflow on the wall of by-pass filtration anaerobic pond side in the first partition wall
Slot, the depth that the first overflow launder opens up in the horizontal direction on the first partition wall account for the 1/3 to 2/3 of the first partition wall thickness, and first overflows
The groove body of chute is in 2/3 or more position of the first partition wall height, the width of the width of the first overflow launder less than the first partition wall;?
First filtering screen frame is installed on the first partition wall wall of by-pass filtration anaerobic pond side, the first filtering screen frame is completely covered on
First overflow launder is on the end face of by-pass filtration anaerobic pond side;The first overflow launder of connection and second level are installed on the first partition wall
The communicating pipe for filtering anaerobic pond, tapping valve is installed on communicating pipe;
Secondary filtration anaerobic pond is equipped with water pump by pipeline connection aerobic tank on pipeline;Gas explosion is provided in aerobic tank
Device;Aerobic tank is equipped with water pump by pipeline connection first stage precipitation tank on pipeline;
First stage precipitation tank and second-level settling pond disjunctor are simultaneously total to partition wall setting, have the between first stage precipitation tank and second-level settling pond
Two partition walls offer the second overflow launder in the second partition wall on the wall of first stage precipitation tank side, the second overflow launder second every
The depth opened up in the horizontal direction on wall accounts for the 1/3 to 2/3 of the second partition wall thickness, and the groove body of the second overflow launder is in the second partition wall
2/3 or more position of height, the width of the width of the second overflow launder less than the second partition wall;Close to the second of first stage precipitation tank side
Second filtering screen frame is installed, the second filtering screen frame is completely covered on the second overflow launder close to first stage precipitation tank side on partition wall wall
End face on, be equipped on the second partition wall connection the second overflow launder and second-level settling pond communicating pipe, installed on communicating pipe
There is tapping valve.
2. a kind of pig excrement and sewage processing unit according to claim 1, it is characterised in that: be equipped with and add in the aerobic tank
Hot pin, aerobic tank are equipped with heat preservation mechanism, and heat preservation mechanism includes sunlight shed and heat preservation layer of cloth, and sunlight shed is fixedly mounted on aerobic tank
Surface, heat preservation layer of cloth are covered on aerobic tank.
3. a kind of pig excrement and sewage processing unit according to claim 3, it is characterised in that: the heat preservation layer of cloth is by internal layer
The waterproof layer of insulating layer and outer layer composition;The heating rod is equipped with water string, and the bottom of water string, which is fixedly connected on, to be added
In the mounting base of hot pin, the power supply line of heating rod passes through from water string.
4. a kind of pig excrement and sewage processing unit according to claim 1, it is characterised in that: the gas explosion device includes air blast
Machine and gas pipeline, gas pipeline are connected with the gas outlet of air blower, and gas explosion head is equipped on gas pipeline, and gas explosion head is uniform
It is alternatively arranged and is mounted on gas pipeline, three-way connection, two end pipes of gas pipeline are fixedly installed at the air taking port of air blower
Mouth is fixedly connected on three-way connection, and gas pipeline, which is uniformly distributed, is arranged in aerobic bottom of pond portion.
5. a kind of pig excrement and sewage processing unit according to claim 5, it is characterised in that: the air blower is Roots blower
Machine, the power of Roots blower are 2.2KW -7.5KW.
6. a kind of pig excrement and sewage processing unit according to claim 5, it is characterised in that: the gas explosion head is arranged in aerobic
Every square metre of quantity of bottom of pond portion is no less than 1.5.
7. a kind of pig excrement and sewage processing unit according to claim 1, it is characterised in that: the processing system is additionally provided with one
Aerobic standby pool, aerobic standby pool and aerobic tank disjunctor are simultaneously total to partition wall setting.
8. a kind of pig excrement and sewage processing unit according to claim 1, it is characterised in that: described first, which filters screen frame, includes
Filter screen and fixed frame for installing filter screen, it is identical that the second filtering screen frame with first filters the structure of screen frame.
9. a kind of pig excrement and sewage processing unit according to claim 8, it is characterised in that: the aperture of the filter screen does not surpass
Cross 0.5mm.
10. the side that pig excrement and sewage processing unit described in a kind of -9 any one according to claim 1 carries out processing pig excrement and sewage
Method, it is characterized in that: the following steps are included:
(1) decomposer is cultivated
First it is added in collecting anaerobic pond, by-pass filtration anaerobic pond, secondary filtration anaerobic pond, first stage precipitation tank and second-level settling pond
The tap water of 20cm-30cm depth, is then added anaerobic bacteria, using the culturing sludge anaerobic bacteria of bottom of pond, makes anaerobism contained in water
Bacterium number amount is not less than 200,000,000 cfu/mL;
The gas explosion device in aerobic tank is opened, and the tap water of 20-30cm depth is added in aerobic tank pond, is then added aerobic
Bacterium makes good use of the nutrient culture aerobic bacteria of oxygen tank bottom sludge, and aerobic bacteria cultivated days are 7-15 days, makes aerobic contained in water
Bacterium number amount is not less than 200,000,000 cfu/mL;
(2) pig excrement and sewage is collected and preliminary Anaerobic Treatment
It is discharged into and is collected in anaerobic pond after the pig excrement and sewage that pig house generates is collected, using the anaerobic bacteria collected in anaerobic pond to pig manure
Sewage carries out biodegradable processing, is then carried out at separating dry space from moist space by separating dry space from moist space device to the pig excrement and sewage collected in anaerobic pond
Reason, the pig manure solid otherwise processed isolated;
(3) filtering precipitating and Anaerobic Treatment
The sewage that separating dry space from moist space device is isolated, which is transported in by-pass filtration anaerobic pond, carries out precipitation process, first closes level-one at this time
The valve between anaerobic pond and secondary filtration anaerobic pond is filtered, after waiting the sewage in by-pass filtrations sedimentation basin to staticly settle, then is opened
Valve makes the sewage in by-pass filtration sedimentation basin flow into secondary filtration anaerobic pond after the first filtering screen frame filtering and carries out again
Precipitating;Biodegrade is carried out to sewage using the anaerobic bacteria in by-pass filtration anaerobic pond and secondary filtration anaerobic pond in precipitation process
Processing;Total number of days that sewage is handled in collecting anaerobic pond, by-pass filtration anaerobic pond and secondary filtration anaerobic pond is no less than 7 days;
(4) Aerobic Process for Treatment
It from top to bottom extracts the supernatant of sewage in secondary filtration anaerobic pond and is transported in aerobic tank, using good in aerobic tank
Oxygen bacterium carries out biodegrade processing to reduce BOD and COD in water to sewage under the action of gas explosion device;At aerobic decomposition
Maintain the temperature of sewage in aerobic tank between 10 DEG C -60 DEG C by attemperator during reason, when sewage temperature in aerobic tank
Start heating rod when lower than 10 DEG C to heat sewage in aerobic tank, sewage is handled at least 48 hours in aerobic tank;
(5) Anaerobic Treatment is precipitated again
Closing gas explosion device makes aerobic tank stand 2 hours, and the supernatant of sewage in aerobic tank is then drawn into first stage precipitation tank
It is middle to be precipitated again, the valve between first stage precipitation tank and second-level settling pond is first closed at this time, when first stage precipitation tank staticly settles
Afterwards, then open valve, make supernatant in first stage precipitation tank flowed into after the second filtering screen frame filtering in second-level settling pond into
Row precipitating;Biodegradable processing is carried out to sewage using the anaerobic bacteria in first stage precipitation tank and second-level settling pond in precipitation process,
Total number of days that sewage is handled in first stage precipitation tank and second-level settling pond is no less than 7 days;
(6) disinfection and sterilization is handled
The valve between first stage precipitation tank and second-level settling pond is closed, then using chlorine dioxide to the sewage in second-level settling pond
Sterilizing processing is carried out, sewage qualified discharge or is back to flushing pig house after sterilizing is handled in second-level settling pond.
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