CN105036470A - Pig farm waste water and manure processing system - Google Patents

Pig farm waste water and manure processing system Download PDF

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Publication number
CN105036470A
CN105036470A CN201510431515.1A CN201510431515A CN105036470A CN 105036470 A CN105036470 A CN 105036470A CN 201510431515 A CN201510431515 A CN 201510431515A CN 105036470 A CN105036470 A CN 105036470A
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pool
water
anoxic
waste water
pond
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王莉
万玉山
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Changzhou University
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Changzhou University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing

Abstract

The invention relates to a pig farm waste water and manure processing system. The pig farm waste water and manure processing system comprises a waste water processing system and a solid waste processing system. The waste water processing system comprises a waste water regulation pool, a filler type anoxic and anaerobic reaction pool, an adsorption and sedimentation pool, a desorption pool, a reverse flow type aeration biological filter pool, a secondary sedimentation pool, a sand filter pool and a clear water pool. The filler type anoxic and anaerobic reaction pool comprises a facultative section, an anoxic section and an anaerobic section which are partitioned through baffle plates. The adsorption and sedimentation pool comprises a stirring and mixing area and a sedimentation area. Technical hydrochloric acid is arranged in the desorption pool. An adsorbing agent enters the desorption pool after adsorbing sediment to make full contact with the technical hydrochloric acid. The technical hydrochloric acid reacts with ammonia nitrogen adsorbed by the adsorbing agent to generate an ammonium chloride solution. The upper portion in the reverse flow type aeration biological filter pool is of a cylindrical structure. The lower portion in the reverse flow type aeration biological filter pool is of a conical structure. The reverse flow type aeration biological filter pool comprises a lower flow area, an upper flow area and a sludge area. The solid waste processing system comprises a solid waste mixing pool and a compost pool.

Description

A kind of Wastewater from Pig Farm excrement and urine treating system
Technical field
The present invention relates to environmental technology field, be specifically related to a kind of Wastewater from Pig Farm excrement and urine treating system.
Background technology
The high speed development of China's large scale of pig farm industry, for entire society brings huge Social benefit and economic benefit.Meanwhile, the ight soil that cultivation produces and waste water concentrations, cause the increasing pressure to environment.The random stacking of swine excrement, not only produce odor pollution air, and can grow fly worm, mosquito and pathogenic microorganism, what easily produce communicable diseases spreads, and is detrimental to health.Piggery wastewater is mainly derived from the urine of pig, ight soil transudate and pig farm wash-down water, wherein containing bulky stool slag, organic pollutant and nitrogen, phosphorus.Research data shows, in piggery wastewater, COD concentration is up to 5000-20000mg/L, and ammonia nitrogen concentration is up to 800-2000mg/L, and suspended matter exceeds standard decades of times.If suitably do not processed, serious harm can be caused to surrounding environment, be embodied in: (l) polluted surface water and underground water: cultivation scale is the pig farm of 1,000,000, ammonia nitrogen amount 8000-12000kg is contained in the ight soil that average every day produces and waste water, direct discharge enters surface water or diafiltration enters Water table, can body eutrophication be accelerated, polluted drinking water, destroy water ecosystem; (2) farm crop normal growth is affected: piggery wastewater is as without any process just direct, continuous, excessive using, and wherein a large amount of organism and inorganic salt constantly can be accumulated in soil, cause soil compaction, affect the normal growth of farm crop.
Piggery wastewater contains high-enriched organics and ammonia nitrogen, is a more unmanageable class organic waste water.Both at home and abroad the main anaerobic-aerobic technological method that adopts processes, although anaerobic treatment can organic pollutant to a great extent in degrading waste water, anaerobic effluent Pollutant levels are still very high, and especially ammonia nitrogen is not removed substantially.For the process of digested piggery wastewater; applying maximum is biological nitrification and denitrification; although utilize nitrifier and denitrifying bacteria the itrogenous organic substance in waste water and ammonia can be converted into nitrogen to remove; but the organism of high density and ammonia nitrogen can strengthen processing load and the impact load of microorganism usually, cause water treatment effect not good.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve a difficult problem for problem of environmental pollution that above-mentioned pig farm produces in operational process and anaerobic-aerobic combination process process Process for Treatment of Swine Wastewater poor effect, the invention provides a kind of Wastewater from Pig Farm excrement and urine treating system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Wastewater from Pig Farm excrement and urine treating system, comprises Waste Water Treatment, solid waste treatment system.
Described Waste Water Treatment comprises wastewater equalization pond, material filling type anoxic anaerobic reation pool, adsorption precipitation pond, desorption pool, reflux formula BAF, second pond, sand filter, clean water basin; Described wastewater equalization pond, material filling type anoxic anaerobic reation pool, adsorption precipitation pond, reflux formula BAF, second pond, sand filter are communicated with successively with clean water basin.
Described wastewater equalization pond comprises water inlet pipe and rising pipe, for regulating waste water quality, the water yield and pH value.
Described material filling type anoxic anaerobic reation pool comprises the double oxygen section, anoxic section and the anaerobism section that are separated into by traverse baffle, described double oxygen section head end is provided with the water inlet pipe for feeding waste water, oxygen section end of holding concurrently is communicated with anoxic section head end, anoxic section end is communicated with anaerobism section head end, the bottom of described anoxic section and anaerobism section water inlet side traverse baffle is provided with the corner of 45 degree, the shock action produced when entering to avoid current, thus the effect playing buffering current and water distribution uniformity; Anaerobism section end is provided with triphase separator and overfalling weir, and overfalling weir connects rising pipe; Described double oxygen section, anoxic section and the tapered structure of anaerobism section bottom design, pyramidal structure connects mud discharging valve; The upper cover design coning structure of the double oxygen section of described material filling type anoxic anaerobic reation pool, anoxic section and anaerobism section, conical structure top is provided with independently methane waste product effuser; All filler is provided with in described double oxygen section, anoxic section and anaerobism section.
Described adsorption precipitation pond comprises and is uniformly mixed district and settling region, and be uniformly mixed bottom district and be provided with wastewater inlet pipe, middle and upper part is provided with sorbent material add-on system, is provided with whipping appts being uniformly mixed in the middle part of district; Baffle plate is provided with in described settling region, the inwall in this baffle plate and adsorption precipitation pond forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator, the outlet top of settling region is provided with overfalling weir, the tapered structure of settling region bottom design, is provided with sediment discharge valve bottom settling region.
The making processes of the sorbent material that described sorbent material add-on system adds is:
1. adopt distilled water rinsing natural zeolite, remove water-soluble residue, dry at 105 DEG C;
2. the natural zeolite of drying to constant weight is mixed according to mass ratio 3-5:1 completely with magnesium oxide;
3. mixture is placed in retort furnace, roasting 4-6 hour at 400-450 DEG C, makes sorbent material.
Described desorption pool is provided with technical hydrochloric acid, sorbent material after adsorption precipitation enters in desorption pool, fully contacts with technical hydrochloric acid, and technical hydrochloric acid and adsorbent ammonia nitrogen react and generate ammonium chloride solution, ammonium chloride solution flows out from desorption pool, and be concentrated, Collection utilization.Sorbent material recycling after desorb.
Described reflux formula BAF middle and upper part is cylindrical, bottom is conical structure, comprises lower current area, ascending zone and mud district; Described lower current area is positioned at the middle part of the cylindrical structural of reflux formula BAF, and be cylindrical structural, lower current area top is provided with water inlet pipe and water distributor, is provided with lower current area filler in the middle part of lower current area, and lower current area bottom is provided with aeration tube; The bottom of described lower current area is provided with traverse baffle, and the longitudinal section of described traverse baffle is horn-like; Described ascending zone is positioned at the periphery of lower current area, the top of traverse baffle, and be provided with ascending zone filler in the middle part of ascending zone, bottom is provided with aeration tube, and the exit on ascending zone top is provided with overfalling weir; Described mud district is positioned at the bottom of the bottom of reflux formula BAF, lower current area and ascending zone, and the bottom in mud district is provided with mud discharging valve.
Water after the process of reflux formula BAF enters second pond.
Water after sedimentation in secondary sedimentation tank process enters sand filter through overflow weir, and the water after filtration enters clean water basin reuse.
Described solid waste treatment system comprises solid waste mixing pit, compost pond; The top in described solid waste mixing pit and compost pond is provided with conical upper cover, and conical upper cover top settles blower fan.
Adopt above-mentioned Wastewater from Pig Farm excrement and urine treating system to carry out a method for offal treatment, there are following steps:
1. waste water enters wastewater equalization pond regulating water quality and the water yield by water inlet pipe.
2. the waste water from wastewater equalization pond enters the bottom of material filling type anoxic anaerobic reation pool by the hold concurrently water inlet pipe of oxygen section of material filling type anoxic anaerobic reation pool; Waste water advances up and down along traverse baffle after entering material filling type anoxic anaerobic reation pool, successively by the Sludge Bed of each reaction chamber of hold concurrently oxygen section, anoxic section and anaerobism section, mud in reaction tank moves along with the upper current downflow of waste water and the effect of biogas rising, the settlement action of the barrier effect of traverse baffle and mud self makes again the flow velocity of mud reduce, therefore a large amount of mud is all trapped within reaction tank, and the microorganism in reaction tank fully contacts with the organism in waste water.Hydrolysis of organic matter in waste water is organic acid by the heterotrophic bacterium of the amphimicrobe of oxygen section, anoxic section and the anaerobism section held concurrently, and make larger molecular organics be decomposed into small organic molecule, insoluble organism changes into dissolved organic matter; Waste water after anaerobic reaction realizes the separation of mud, water, methane gas at the triphase separator that anaerobism section end is provided with, and mud sinks to the bottom of material filling type anoxic anaerobic reation pool under gravity, and unnecessary mud is discharged by the mud discharging valve of bottom; The methane waste product that material filling type anoxic anaerobic reation pool produces collects discharge by reaction tank top effuser; Waste water after process enters adsorption precipitation pond by overfalling weir, rising pipe and pipe connecting.
3. waste water enters adsorption precipitation pond by the adsorption precipitation pond wastewater inlet pipe be uniformly mixed bottom district, mixes with the sorbent material carrying out self-absorbent add-on system, utilizes the whipping appts be arranged in the middle part of stirring area to stir; Waste water after absorption reaction enters settling region, and the triphase separator of settling region realizes mud-water separation; Mud sinks to the bottom of settling region, adsorption precipitation pond under gravity, is discharged by the sediment discharge valve of bottom; Waste water enters the water inlet pipe of reflux formula BAF by overfalling weir, rising pipe and pipe connecting.Sorbent material after adsorption precipitation enters desorption pool, fully contacts with technical hydrochloric acid, and technical hydrochloric acid and adsorbent ammonia nitrogen react and generate ammonium chloride solution, and ammonium chloride solution flows out from desorption pool, and concentrated, Collection utilization.Sorbent material recycling after desorb.
4. waste water enters the lower current area of reflux formula BAF through overflow weir, water inlet pipe and water distributor, the air that aeration tube produces and waste water cross generation biochemical reaction in filler, filler filters waste water simultaneously, waste water is by entering ascending zone after traverse baffle, biochemical reaction is there is in filler, filler filters waste water simultaneously, the mud that lower current area and ascending zone produce sinks to mud district, emitted by the mud discharging valve bottom mud district, the water after the process of reflux formula BAF enters second pond by overfalling weir.
5. the water after sedimentation in secondary sedimentation tank process enters sand filter through overflow weir, and the water after filtration enters clean water basin reuse.
6. the excess sludge that material filling type anoxic anaerobic reation pool, second pond and reflux formula BAF produce enters after solid waste mixing pit mixes with swine excrement and enters compost pond, and the product after aerobic compost process is as agricultural fertilizer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiment of the present invention material filling type anoxic anaerobic reation pool.
In Fig. 1: 1. material filling type anoxic anaerobic reation pool, 1-1. traverse baffle, 1-2. holds concurrently oxygen section, 1-3. anoxic section, 1-4. anaerobism section, 1-5. material filling type anoxic anaerobic reation pool water inlet pipe, 1-6. material filling type anoxic anaerobic reation pool triphase separator, 1-7. material filling type anoxic anaerobic reation pool overfalling weir, 1-8. mud discharging valve, 1-9. upper cover, 1-10. effuser, 1-11. filler.
Fig. 2 is the structural representation in embodiment of the present invention adsorption precipitation pond.
In Fig. 2: 2. adsorption precipitation pond, 2-1. is uniformly mixed district, 2-2. settling region, 2-3. wastewater inlet pipe, 2-4. sorbent material add-on system, 2-5. whipping appts, 2-6. baffle plate, 2-7. triphase separator, 2-8. overfalling weir, 2-9. sediment discharge valve.
Fig. 3 is the structural representation of embodiment of the present invention reflux formula BAF.
In Fig. 3: 3. reflux formula BAF, 3-1. lower current area, 3-2. ascending zone, 3-3. mud district, 3-4. reflux formula BAF water inlet pipe, 3-5. reflux formula BAF water distributor, 3-6. lower current area filler, 3-7. aeration tube, 3-8. traverse baffle, 3-9. ascending zone filler, 3-10. reflux formula BAF overfalling weir, 3-11. mud discharging valve.
Fig. 4 is the process flow sheet of the embodiment of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment
As shown in Figure 1 to 4, a kind of Wastewater from Pig Farm excrement and urine treating system of the present invention, comprises Waste Water Treatment, solid waste treatment system.
Described Waste Water Treatment comprises wastewater equalization pond, material filling type anoxic anaerobic reation pool 1, adsorption precipitation pond 2, desorption pool, reflux formula BAF 3, second pond, sand filter, clean water basin; Described wastewater equalization pond, material filling type anoxic anaerobic reation pool 1, adsorption precipitation pond 2, reflux formula BAF 3, second pond, sand filter are communicated with successively with clean water basin.
Described wastewater equalization pond comprises water inlet pipe and rising pipe, for regulating waste water quality, the water yield and pH value.
Described material filling type anoxic anaerobic reation pool 1 comprises the double oxygen section 1-2, anoxic section 1-3 and the anaerobism section 1-4 that are separated into by traverse baffle 1-1, described double oxygen section 1-2 head end is provided with the water inlet pipe 1-5 for feeding waste water, oxygen section 1-2 end of holding concurrently is communicated with anoxic section 1-3 head end, anoxic section 1-3 end is communicated with anaerobism section 1-4 head end, the bottom of described anoxic section 1-3 and anaerobism section 1-4 water inlet side traverse baffle is provided with the corner of 45 degree, the shock action produced when entering to avoid current, thus the effect playing buffering current and water distribution uniformity; Anaerobism section 1-4 end is provided with triphase separator 1-6 and overfalling weir 1-7, and overfalling weir 1-7 connects rising pipe; Described double oxygen section 1-2, anoxic section 1-3 and the tapered structure of anaerobism section 1-4 bottom design, pyramidal structure connects mud discharging valve 1-8; The upper cover 1-9 of the double oxygen section of described material filling type anoxic anaerobic reation pool, anoxic section and anaerobism section is designed to conical structure, and conical structure top is provided with methane waste product effuser 1-10; Filler 1-11 is all provided with in described double oxygen section, anoxic section and anaerobism section.
Described adsorption precipitation pond 2 comprises and is uniformly mixed district 2-1 and settling region 2-2, and be uniformly mixed bottom district and be provided with wastewater inlet pipe 2-3, middle and upper part is provided with sorbent material add-on system 2-4, is provided with whipping appts 2-5 being uniformly mixed in the middle part of district; Baffle plate 2-6 is provided with in described settling region, the inwall of this baffle plate and settling tank forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator 2-7, the outlet top of settling region is provided with overfalling weir 2-8, the tapered structure of settling region bottom design, is provided with sediment discharge valve 2-9 bottom settling region.
The making processes of the sorbent material that described sorbent material add-on system 2-4 adds is:
1. adopt distilled water rinsing natural zeolite, remove water-soluble residue, dry at 105 DEG C;
2. the natural zeolite of drying to constant weight is mixed according to mass ratio 3-5:1 completely with magnesium oxide;
3. mixture is placed in retort furnace, roasting 4-6 hour at 400-450 DEG C, makes sorbent material.
Described desorption pool is provided with technical hydrochloric acid, sorbent material after adsorption precipitation enters in desorption pool, fully contacts with technical hydrochloric acid, and technical hydrochloric acid and adsorbent ammonia nitrogen react and generate ammonium chloride solution, ammonium chloride solution flows out from desorption pool, and concentrated, Collection utilization.Sorbent material recycling after desorb.
The middle and upper part of described reflux formula BAF 3 is cylindrical, bottom is conical structure, comprises lower current area 3-1, ascending zone 3-2 and mud district 3-3; Described lower current area 3-1 is positioned at the middle part of the cylindrical structural of reflux formula BAF, for cylindrical structural, lower current area top is provided with water inlet pipe 3-4 and water distributor 3-5, lower current area filler 3-6 is provided with in the middle part of lower current area, lower current area bottom is provided with aeration tube 3-7, the bottom of described lower current area is provided with traverse baffle 3-8, and the longitudinal section of described traverse baffle 3-8 is horn-like; Described ascending zone 3-2 is positioned at the periphery of lower current area 3-1, the top of traverse baffle, and be provided with ascending zone filler 3-9 in the middle part of ascending zone, bottom is provided with aeration tube, and the exit on ascending zone top is provided with overfalling weir 3-10; Described mud district 3-3 is positioned at the bottom of the bottom of reflux formula BAF, lower current area and ascending zone, and the bottom in mud district is provided with mud discharging valve 3-11.
Water after the process of reflux formula BAF enters second pond.
Water after sedimentation in secondary sedimentation tank process enters sand filter through overflow weir, and the water after filtration enters clean water basin reuse.
Described solid waste treatment system comprises solid waste mixing pit, compost pond; The top in described solid waste mixing pit and compost pond is provided with conical upper cover, and conical upper cover top settles blower fan.
Adopt above-mentioned Wastewater from Pig Farm excrement and urine treating system to carry out a method for offal treatment, there are following steps:
1. waste water enters wastewater equalization pond regulating water quality and the water yield by water inlet pipe.
2. the waste water from wastewater equalization pond enters the bottom of material filling type anoxic anaerobic reation pool 1 by the hold concurrently water inlet pipe 1-5 of oxygen section of material filling type anoxic anaerobic reation pool; Waste water advances up and down along traverse baffle 1-1 after entering material filling type anoxic anaerobic reation pool 1, successively by the Sludge Bed of each reaction chamber of hold concurrently oxygen section 1-2, anoxic section 1-3 and anaerobism section 1-4, mud in reaction tank moves along with the upper current downflow of waste water and the effect of biogas rising, the settlement action of the barrier effect of filler and traverse baffle 1-1 and mud self makes again the flow velocity of mud reduce, therefore a large amount of mud is all trapped within reaction tank, and the microorganism in reaction tank fully contacts with the organism in waste water.Hydrolysis of organic matter in waste water is organic acid by the double amphimicrobe of oxygen section 1-2, the heterotrophic bacterium of anoxic section 1-3 and anaerobism section 1-4, and make larger molecular organics be decomposed into small organic molecule, insoluble organism changes into dissolved organic matter; Waste water after anaerobic reaction realizes the separation of mud, water, methane gas at the triphase separator 1-6 that anaerobism section end is provided with, mud sinks to the bottom of material filling type anoxic anaerobic reation pool under gravity, and unnecessary mud is discharged by the mud discharging valve 1-8 of bottom; The methane waste product that material filling type anoxic anaerobic reation pool produces collects 1-10 Collection utilization by reaction tank top effuser; Waste water after process enters adsorption precipitation pond 2 by overfalling weir 1-7, rising pipe and pipe connecting.
3. the wastewater inlet pipe 2-3 that waste water is uniformly mixed bottom district by adsorption precipitation pond enters adsorption precipitation pond 2, mixes with the sorbent material carrying out self-absorbent add-on system 2-4, utilizes the whipping appts 2-5 be arranged in the middle part of stirring area to stir; Waste water after absorption reaction enters settling region 2-2, and the triphase separator 2-7 of settling region realizes mud-water separation; Mud sinks to the bottom of adsorption precipitation pond settling region 2-2 under gravity, is discharged by the sediment discharge valve 2-9 of bottom; Waste water enters the water inlet pipe 3-4 of reflux formula BAF by overfalling weir 2-8, rising pipe and pipe connecting.Sorbent material after adsorption precipitation enters desorption pool, fully contacts with technical hydrochloric acid, and technical hydrochloric acid and adsorbent ammonia nitrogen react and generate ammonium chloride solution, and ammonium chloride solution flows out from desorption pool, and be concentrated, Collection utilization.Sorbent material recycling after desorb.
4. waste water is through overflow weir, water inlet pipe 3-4 and water distributor 3-5 enters the lower current area 3-1 of reflux formula BAF, the air that aeration tube 3-7 produces and waste water cross generation biochemical reaction in lower current area filler 3-6, lower current area filler 3-6 filters waste water simultaneously, waste water is by entering ascending zone 3-2 after traverse baffle 3-8, biochemical reaction is there is in ascending zone filler 3-9, ascending zone filler 3-9 filters waste water simultaneously, the mud that lower current area 3-1 and ascending zone 3-2 produces sinks to mud district 3-3, emitted by the mud discharging valve 3-11 bottom mud district, water after the process of reflux formula BAF 3 enters second pond by overfalling weir 3-10.
5. the water after sedimentation in secondary sedimentation tank process enters sand filter through overflow weir, and the water after filtration enters clean water basin reuse.
6. the excess sludge that material filling type anoxic anaerobic reation pool 1, second pond and reflux formula BAF 3 produce enters solid waste mixing pit, and enter compost pond after mixing with swine excrement, the product after aerobic compost process is as agricultural fertilizer.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the scope not departing from this invention technological thought.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.

Claims (2)

1. a Wastewater from Pig Farm excrement and urine treating system, is characterized in that: comprise Waste Water Treatment, solid waste treatment system;
Described Waste Water Treatment comprises wastewater equalization pond, material filling type anoxic anaerobic reation pool (1), adsorption precipitation pond (2), desorption pool, reflux formula BAF (3), second pond, sand filter, clean water basin; Described wastewater equalization pond, material filling type anoxic anaerobic reation pool (1), adsorption precipitation pond (2), reflux formula BAF (3), second pond, sand filter are communicated with successively with clean water basin;
Described wastewater equalization pond comprises water inlet pipe and rising pipe, for regulating waste water quality, the water yield and pH value;
Described material filling type anoxic anaerobic reation pool (1) comprise be separated into by traverse baffle (1-1) double oxygen section (1-2), anoxic section (1-3) and anaerobism section (1-4), described double oxygen section (1-2) head end is provided with the water inlet pipe (1-5) for feeding waste water, oxygen section (1-2) end of holding concurrently is communicated with anoxic section (1-3) head end, and anoxic section (1-3) end is communicated with anaerobism section (1-4) head end; The bottom of the water inlet side traverse baffle of described anoxic section (1-3) and anaerobism section (1-4) is provided with the corner of 45 degree; Anaerobism section (1-4) end is provided with triphase separator (1-6) and overfalling weir (1-7), and overfalling weir (1-7) connects rising pipe; Described double oxygen section (1-2), anoxic section (1-3) and the tapered structure of anaerobism section (1-4) bottom design, pyramidal structure connects mud discharging valve (1-8); The upper cover (1-9) of the double oxygen section of described material filling type anoxic anaerobic reation pool, anoxic section and anaerobism section is designed to conical structure, and conical structure top is provided with methane waste product effuser (1-10); Filler (1-11) is all provided with in described double oxygen section, anoxic section and anaerobism section;
Described adsorption precipitation pond (2) comprises and is uniformly mixed district (2-1) and settling region (2-2), be uniformly mixed bottom district and be provided with wastewater inlet pipe (2-3), middle and upper part is provided with sorbent material add-on system (2-4), is provided with whipping appts (2-5) being uniformly mixed in the middle part of district; Baffle plate (2-6) is provided with in described settling region, the inwall of this baffle plate and settling tank forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator (2-7), the outlet top of settling region is provided with overfalling weir (2-8), the tapered structure of settling region bottom design, is provided with sediment discharge valve (2-9) bottom settling region;
Described desorption pool is provided with technical hydrochloric acid, sorbent material after adsorption precipitation enters in desorption pool, fully contacts with technical hydrochloric acid, and technical hydrochloric acid and adsorbent ammonia nitrogen react and generate ammonium chloride solution, ammonium chloride solution flows out from desorption pool, and concentrated, Collection utilization; Sorbent material recycling after desorb;
The middle and upper part of described reflux formula BAF (3) is cylindrical, bottom is conical structure, comprises lower current area (3-1), ascending zone (3-2) and mud district (3-3); Described lower current area (3-1) is positioned at the middle part of the cylindrical structural of reflux formula BAF, for cylindrical structural, lower current area top is provided with water inlet pipe (3-4) and water distributor (3-5), lower current area filler (3-6) is provided with in the middle part of lower current area, lower current area bottom is provided with aeration tube (3-7), the bottom of described lower current area is provided with traverse baffle (3-8), and the longitudinal section of described traverse baffle (3-8) is horn-like; Described ascending zone (3-2) is positioned at the periphery of lower current area (3-1), the top of traverse baffle, ascending zone filler (3-9) is provided with in the middle part of ascending zone, bottom is provided with aeration tube, and the exit on ascending zone top is provided with overfalling weir (3-10); Described mud district (3-3) is positioned at the bottom of the bottom of reflux formula BAF, lower current area and ascending zone, and the bottom in mud district is provided with mud discharging valve (3-11);
Water after the process of reflux formula BAF enters second pond;
Water after sedimentation in secondary sedimentation tank process enters sand filter through overflow weir, and the water after filtration enters clean water basin reuse;
Described solid waste treatment system comprises solid waste mixing pit, compost pond; The top in described solid waste mixing pit and compost pond is provided with conical upper cover, and conical upper cover top settles blower fan.
2. a kind of Wastewater from Pig Farm excrement and urine treating system as claimed in claim 1, is characterized in that: the making processes of the sorbent material that described sorbent material add-on system (2-4) adds is:
1. adopt distilled water rinsing natural zeolite, remove water-soluble residue, dry at 105 DEG C;
2. the natural zeolite of drying to constant weight is mixed according to mass ratio 3-5:1 completely with magnesium oxide;
3. mixture is placed in retort furnace, roasting 4-6 hour at 400-450 DEG C, makes sorbent material.
CN201510431515.1A 2015-07-21 2015-07-21 Pig farm waste water and manure processing system Pending CN105036470A (en)

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CN102151546A (en) * 2011-01-28 2011-08-17 湖南大学 Modified zeolite as well as preparation method and application thereof
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CN102992548A (en) * 2012-12-06 2013-03-27 山东名科环保工程有限公司 Method for treating low-temperature slaughter wastewater
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Application publication date: 20151111