Utility model content
There is provided a kind of breeding wastewater recycling treatment system, warp for problems of the prior art for the utility model
By the utility model, the various resources of breeding wastewater are effectively recycled, and obtain organic fertilizer, biogas, reclaimed water, nitrogenous fertilizer
Etc. useful resources, resource utilization, fresh-water-saving resource are improved.
The utility model is adopted the following technical scheme that:
A kind of breeding wastewater recycling treatment system, including the breeding wastewater reservoir and separating dry space from moist space machine connected through pipeline,
Breeding wastewater is divided into solid and liquid by the separating dry space from moist space machine, and gained solid is through pipeline to organic fertilizer hothouse, gained
Liquid passes sequentially through the anaerobic fermentation pond connected through pipeline, pH regulating tanks, stripping tower, aeration air floatation machine, settling tank, an A2/O
Biochemical system and sterilization pool, the reclaimed water discharged by sterilization pool are used to irrigate crops;The biogas warp that the fermentation of anaerobic fermentation pond is produced
Pipeline is to collecting methane tank;Air blower is connected with below stripping tower and aeration air floatation machine;It is connected with above stripping tower
Absorption cell is acidified, the acidifying absorption cell is through pipeline communication to sterilization pool.
Further, in addition to plate and frame filter press, plate and frame filter press is provided with charging aperture, and the bottom of a settling tank is set
There is the first removing sludge for extracting settled sludge out, the outlet of first removing sludge is connected with the charging aperture of plate and frame filter press
Logical, solid is through pipeline to organic fertilizer hothouse obtained by plate and frame filter press press filtration.
Further, the A2It is anaerobic reation pool that/O biochemical systems include connecting through pipeline successively, hypoxia response pond, good
Oxygen reaction tank and secondary sedimentation tank, the pipeline between the aerobic reaction tank and secondary sedimentation tank are provided with liquid return tube and liquid
The other end of body return duct is communicated to hypoxia response pond, and sludge reflux is provided between the secondary sedimentation tank and anaerobic reation pool
Pipe.
Further, the bottom of the secondary settling tank, which is provided with, is used to extracting out the second removing sludge of settled sludge, and described the
The outlet of two removing sludges is connected with the charging aperture of plate and frame filter press.
Further, in addition to sewerage disposing system, ultrafiltration apparatus is provided between the sewerage disposing system and sterilization pool.
Further, the housing in the anaerobic fermentation pond is in that hollow chamber is provided between double layer design and ectonexine, described
The coiling of hollow chamber inside spin, which has, is provided with agitating shaft heating tube, anaerobic fermentation pond in, and if the madial wall in anaerobic fermentation pond be provided with
Dry spoiler, the spoiler is obliquely installed and different in size, and some through holes are offered on spoiler.
Further, the bottom of the stripping tower and aeration air floatation machine is equipped with aeration pipe network, the aeration pipe network connection
There is air blower.
The beneficial effects of the utility model are as follows:
Breeding wastewater organic concentration is high, suspension is more, colourity is deep, because causing NH containing a large amount of animal wastes3- N is dense
Degree is very high, and containing substantial amounts of pathogenic bacteria, and the main organic matter existed with solid-state, solubilised state of pollutant in waste water
Form is present, and waste water is shown very high BOD5、CODCr, SS and colourity etc., while the wastewater biodegradability is preferably, and contain
The nutriments such as substantial amounts of nitrogen phosphorus.
These characteristics based on breeding wastewater, the flow that the utility model carries out recycling treatment to it is as follows:
First by separating dry space from moist space machine by most solid waste in breeding wastewater(The overwhelming majority is animal wastes)
Separate, gained liquid enters anaerobic fermentation pond, gained solid waste is admitted to organic fertilizer hothouse and recycled, Gu
The separation of body waste not only makes the organic matter in breeding wastewater realize recycling, more reduces the pressure of subsequent treatment process;
The fermentation of gained liquid anaerobic produces biogas, and biogas is a kind of good fuel gas, and caloric value is big, and this process is produced
Biogas heat energy can be provided for each operation in system, the housing in the anaerobic fermentation pond between double layer design and ectonexine in being provided with
Hollow chamber, hollow chamber's inside spin coiling has heating tube, and heating tube interior circulation has vapours, and vapours can be added by biogas
Reclaimed water after the processing of heat sterilization pond is obtained, and the setting of helical heating pipe causes anaerobic fermentation pond to be maintained at suitable temperature, favorably
In in the progress of fermentation process, anaerobic fermentation pond be provided with agitating shaft, and anaerobic fermentation pond madial wall be provided with some spoilers, institute
State spoiler to be obliquely installed and different in size, some through holes are offered on spoiler, the unique texture of spoiler is stirred for cooperation
Mix the whipping process of axle so that the liquid fermentation in anaerobic fermentation pond evenly, improves ferment effect, improves biogas yield;
NH is carried by the biogas slurry of anaerobic fermentation3- the N and H produced after fermentation2S sulfides, biogas slurry is adjusted into pH
Basification is carried out in groove, by ammonia nitrogen(NH3-N)Separate out, while absorbing the sulfide produced, reduces atmosphere pollution;
Stripping tower, ammonia nitrogen is blown out from biogas slurry, turns into nitrogenous fertilizer into acidifying absorption cell, the bottom of stripping tower is provided with aeration
Pipe network, the source of the gas of aeration pipe network is provided by air blower, the device of aeration pipe network can improve the efficiency that ammonia nitrogen in biogas slurry escapes and
Speed;Aeration air floatation machine is used to isolate solid suspension in biogas slurry etc., and the setting of aeration pipe network causes suspension to adhere to gas
Steep and rise to the water surface, so as to separate biogas slurry and suspension;
Biogas slurry after stripping and air supporting enters a settling tank, and sedimentation gained supernatant enters A2/ O biochemical systems,
Sedimentation gained sludge is pumped into plate and frame filter press by the first removing sludge, the separating obtained Solid Conveying and Melting of press filtration to organic fertilizer hothouse
It is interior, through this settlement treatment, the water quality of biogas slurry is on the one hand lifted, on the other hand make it that ensuing Biochemical Treatment is more preferable;
A2/ O biochemical treatments are wastewater treatment conventional means, this technical maturity and effective, by anaerobic-anoxic-good
Oxygen method removes the phosphorus in the higher breeding wastewater of content of organics, and further removes excessive nitrogen, makes blowdown up to standard, A2/ O oxygen
Change is continuous processing technique, including anaerobic pond, anoxic pond, Aerobic Pond and the secondary settling tank being sequentially connected, secondary settling tank's rule
Mould is less than settling tank, but structure is consistent, and the sludge that secondary settling tank's sedimentation is obtained equally is delivered to processing in plate and frame filter press;
A2The sterilized pond of water obtained after/O biochemical treatments reaches middle water quality standard after disinfecting, can qualified discharge, use
Make irrigated farmland;Gained reclaimed water also can remove microorganism, protein, colloid and suspension by ultrafiltration apparatus, by ultrafiltration
Water quality can reach the standard of phreatic water, then by sewerage disposing system, can reach cleaning water standard, mitigate plant
Use water pressure.
To sum up, via the utility model, the various resources of breeding wastewater are effectively recycled, and obtain organic
The useful resources such as fertilizer, biogas, reclaimed water, nitrogenous fertilizer, improve resource utilization, fresh-water-saving resource.
Brief description of the drawings
Fig. 1 is system schematic of the present utility model;
Fig. 2 is A2The schematic diagram of/O biochemical systems;
Fig. 3 is the structural representation in anaerobic fermentation pond in Fig. 1;
Fig. 4 is the setting schematic diagram of spoiler in Fig. 3;
1st, breeding wastewater reservoir;2nd, separating dry space from moist space machine;3rd, anaerobic fermentation pond;4th, pH regulating tanks;5th, stripping tower;6th, it is aerated gas
Floating machine;7th, a settling tank;8th, plate and frame filter press;9、A2/ O biochemical systems;10th, sterilization pool;11st, ultrafiltration apparatus;12nd, at reclaimed water
Reason system;
A, air blower;B, acidifying absorption cell;C, collecting methane tank;D, irrigation water;E, cleaning water;F, organic fertilizer are dried
Room;
30th, agitating shaft;31st, hollow chamber;32nd, heating tube;33rd, spoiler;34th, through hole;35th, on the inside of anaerobic fermentation pond
Wall;
90th, anaerobic reation pool;91st, hypoxia response pond;92nd, aerobic reaction tank;93rd, secondary sedimentation tank;94th, liquid flows back
Pipe;95th, mud return line.
Embodiment
In order that technical purpose of the present utility model, technical scheme and beneficial effect are clearer, below in conjunction with the accompanying drawings and
Specific embodiment is further illustrated to the technical solution of the utility model.
As shown in Figures 1 to 4, a kind of breeding wastewater recycling treatment system, including the breeding wastewater reservoir 1 connected through pipeline
With separating dry space from moist space machine 2, breeding wastewater is divided into solid and liquid by the separating dry space from moist space machine 2, and gained solid is through pipeline to having
Machine fertilizer hothouse f, gained liquid passes sequentially through the anaerobic fermentation pond 3 connected through pipeline, pH regulating tanks 4, stripping tower 5, aeration gas
Floating machine 6, settling tank 7, an A2/ O biochemical systems 9 and sterilization pool 10, the reclaimed water discharged by sterilization pool 10(That is irrigation water d)With
In irrigation crops;The biogas that the fermentation of anaerobic fermentation pond 3 is produced is through pipeline to collecting methane tank c, the anaerobic fermentation pond 3
Housing be in that hollow chamber 31 is provided between double layer design and ectonexine, the inside spin of hollow chamber 31 coiling has heating tube
32, anaerobic fermentation pond 3 is interior to be provided with agitating shaft 30, and the madial wall 35 in anaerobic fermentation pond 3 is provided with some spoilers 33, the flow-disturbing
Plate 33 is obliquely installed and different in size, and some through holes 34 are offered on spoiler 33, and anaerobic fermentation pond 3 utilizes micro- life in sludge
Thing carries out the decomposition of organic matter, while producing biogas, into collecting methane tank c as using energy source, the excessive mud of generation can
A settling tank 7 is pipelined to, organic fertilizer hothouse f is recycled to by sedimentation, resource is recycled;It is described
The bottom of stripping tower 5 and aeration air floatation machine 6 is equipped with aeration pipe network, and the aeration pipe network is connected with air blower a, the He of stripping tower 5
Aeration air floatation machine 6 blows away free ammonia nitrogen, and increases the dissolved oxygen of biogas slurry, to enter A2/ O biochemical systems 9 are prepared;Stripping
The top of tower 5 is connected with acidifying absorption cell b, and the acidifying absorption cell b is through pipeline communication to sterilization pool 10.Further, at this
Reason system also includes plate and frame filter press 8, and plate and frame filter press 8 is provided with charging aperture, and the bottom of a settling tank 7, which is provided with, to be used to take out
Go out the first removing sludge of settled sludge, the outlet of first removing sludge is connected with the charging aperture of plate and frame filter press 8, sheet frame
Solid is through pipeline to organic fertilizer hothouse f obtained by the press filtration of filter press 8.Further, the processing system also includes at reclaimed water
Reason system 12, is provided with ultrafiltration apparatus 11, sewerage disposing system 12 is using this between the sewerage disposing system 12 and sterilization pool 10
Field routine techniques is that can be achieved.
Further, the A2/ O biochemical systems 9 include anaerobic reation pool 90, the hypoxia response pond connected successively through pipeline
91st, aerobic reaction tank 92 and secondary sedimentation tank 93, the pipeline between the aerobic reaction tank 92 and secondary sedimentation tank 93 are provided with
The other end of liquid return tube 94 and liquid return tube 94 is communicated to hypoxia response pond 91, and the secondary sedimentation tank 93 and anaerobism are anti-
Answer and mud return line 95 is provided between pond 90;The bottom of the secondary settling tank 93 is clear provided be used to extract out settled sludge second
Silt pump, the outlet of second removing sludge is connected with the charging aperture of plate and frame filter press 8.
A2/ O biochemical systems are Anaerobic-Anoxic-Oxic english abbreviations, and it is anaerobic- anoxic- oxic
The abbreviation of biological denitrification phosphorous removal technique.The technique has phosphor-removing effect, in anaerobic-aerobic dephosphorization process(A/O)In plus an anoxic
Reaction tank, a part of mixed liquor that Aerobic Pond is flowed out is back to hypoxia response pond 91 by liquid return tube 94, can reach again
To the purpose of nitrification denitrogenation;Anaerobism, anoxic, aerobic three kinds of different environmental conditions and different types of microorganism species it is organic
Coordinate, can have organics removal, denitrogenation dephosphorizing function simultaneously, and the technological process is the simplest, during total hydraulic retention
Between also less than similar other techniques.By A2Processing water after/O biochemical systems 9, after sterilized pond 10 is sterilized, it is already possible to reach
It to discharge standard, can be used as field irrigation, may also pass through ultrafiltration apparatus 11, ultrafiltration apparatus 11 uses this area routine techniques
Realize, further remove the macromolecular substances such as oil removal, colloid, protein and microorganism, reach the standard of underground water.
It should be noted last that:Above-described embodiment is merely to illustrate and unrestricted the technical solution of the utility model, is appointed
Equivalent substitution and do not depart from the modification of the utility model spirit and scope or locally replace that what is carried out to the utility model, its is equal
It should cover within the utility model protective scope of the claims.