CN205528299U - Effluent disposal system of diary farm - Google Patents

Effluent disposal system of diary farm Download PDF

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Publication number
CN205528299U
CN205528299U CN201620275214.4U CN201620275214U CN205528299U CN 205528299 U CN205528299 U CN 205528299U CN 201620275214 U CN201620275214 U CN 201620275214U CN 205528299 U CN205528299 U CN 205528299U
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China
Prior art keywords
pond
wastewater processing
cattle
sedimentation tank
cattle wastewater
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Expired - Fee Related
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CN201620275214.4U
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Chinese (zh)
Inventor
邹华
韩秀茹
武旭跃
朱荣
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Jiangnan University
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Jiangnan University
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Abstract

The utility model discloses an effluent disposal system of diary farm belongs to environmental engineering technical field. The utility model discloses a system has set gradually: the pond is store to equalizing basin, filter pressing device, first anaerobism pond, second anaerobism pond, oxygen deficiency pond, good oxygen pond, sedimentation tank, aeration biological fluidized bed, air supporting pond, mud. The utility model discloses a based on the sewage treatment system of " anaerobic treatment +AAO+ aeration biological fluidized bed + air supporting pond ", the treatment effect is good, and the energy resource consumption is low, and energy utilization can also be regarded as to anaerobism marsh gas to excess sludge volume after the processing is few, has reduced excess sludge treatment cost, and the construction investment is few, the running cost low, operation management is simple and convenient.

Description

A kind of Cattle Wastewater processing system
Technical field
This utility model relates to a kind of Cattle Wastewater processing system, belongs to field of environment engineering technology.
Background technology
Along with the raising of people's living standard and the increase to milk product demand, disperseed the milk of cultured dairy institute output in the past by resident Amount has been unable to reach the requirement of people, so large-scale cultivation is increasing.Large-scale cultivation is bringing huge social benefit While, the harm brought to environment also should not be underestimated.Problem of environmental pollution the most slowly causes the attention of people, so Seek one efficiently, the processing method of low cost become primary study direction.
Cattle Wastewater mainly (is included that colony house rushes liquid dung, drink groove flushing water, floor cleaning water, equipment by urine, flushing water With plant cleanliness water etc.), a small amount of workman live produce in produce waste water composition.Dairy waste water mainly has following Feature: Organic substance, nitrogen and phosphorus content are high, and the water yield is big and temperature is relatively low.The uniqueness of dairy waste water adds intractability, makes It is difficult to process up to standard by existing processing method.
The processing method of Cattle Wastewater mainly includes at anaerobic treatment method, Aerobic treatment method and anaerobic-aerobic combination at present Reason method.Although anaerobic treatment method can process high concentration Cattle Wastewater, but after anaerobic treatment, aqueous concentration is the highest, Cannot qualified discharge, and with stink, affect surrounding.Owing to Cattle Wastewater has the spy such as high Organic substance, high nitrogen phosphorus Point, aerobic treatment technology is less than the waste water of 500mg/L mainly for COD, so utilizing aerobic disposal methods cattle farm To be diluted before waste water, water requirement is big, also increases treating capacity, adds processing cost simultaneously.Currently with most one The method of kind is exactly anaerobic-aerobic combination treatment method, but the method process Cattle Wastewater is the best to the treatment effect of nitrogen phosphorus, Main cause is to consume major part Organic substance at anaerobic stages, have impact on denitrifying effect.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of milch cow processed based on " anaerobism-AAO-is aeration fluidized bed " Field Waste Water Treatment, solves existing Cattle Wastewater intractability big, and poor processing effect, nitrogen and phosphorus content water outlet is the most up to standard Problem.
This utility model provides a kind of Cattle Wastewater processing system, and described system is disposed with: regulating reservoir, filter-pressing device, First anaerobic pond, the second anaerobic pond, anoxic pond, Aerobic Pond, sedimentation tank, aerated biological fludized bed, flotation tank, mud reservoir.
In a kind of embodiment of the present utility model, in described regulating reservoir, it is provided with aerator.
In a kind of embodiment of the present utility model, described regulating reservoir connects pressure filter by feed pump.
In a kind of embodiment of the present utility model, described pressure filter is automatic Chamber Type Diaphragm Filter Press.
In a kind of embodiment of the present utility model, the filter chamber area of described automatic Chamber Type Diaphragm Filter Press is 200m2, filter chamber Volume is 4m3
In a kind of embodiment of the present utility model, described first anaerobic pond is UASB reactor, and reactor top is provided with three Phase separator, top is provided with collection and confinement of gases pipeline, and bottom is provided with mud discharging device, and is provided with internal reflux pipeline at inside reactor.
In a kind of embodiment of the present utility model, described Aerobic Pond is connected by sludge recirculation system with anoxic pond.
In a kind of embodiment of the present utility model, described sedimentation tank and the second anaerobic pond are connected by sludge refluxing apparatus.
In a kind of embodiment of the present utility model, described sedimentation tank is vertical sedimentation tank, is provided with sludge drainage system.
In a kind of embodiment of the present utility model, described aerated biological fludized bed front also sets up hypoxia device.
In a kind of embodiment of the present utility model, described flotation tank is provided with charging device.
In a kind of embodiment of the present utility model, described charging device is filled with PAM, PAC.
Operation principle of the present utility model is as follows:
(1) Cattle Wastewater enters regulating reservoir;(2) waste water after conditioned enters pressure filter and is dehydrated, and removes oil removal Matter, mud cake is discharged;(3) filtrate enters the first anaerobic pond, and the Organic substance in waste water is carried out microbial degradation;(4) first The water outlet of anaerobic pond and the returned sludge of sedimentation tank together enter the second anaerobic pond, and in the second anaerobic pond, polyP bacteria releases phosphorus and portion Itrogenous organic substance is divided to carry out ammonification;The water outlet of (5) second anaerobic ponds and the interior recycling waste water of Aerobic Pond together enter anoxic pond, nitre State nitrogen carries out denitrogenation in anoxic pond;(6) anoxic pond water outlet enters Aerobic Pond, completes the nitrification of ammonia nitrogen and the absorption of phosphorus, removes Residual organic substances, arranges separate reflowed system, is back to anoxic pond in Aerobic Pond;(7) Aerobic Pond water outlet enters sedimentation tank, portion Dividing phosphorus containing sludge to be back to the second anaerobic pond, sedimentation tank is provided with sludge drainage system;(8) sedimentation tank supernatant is passed through aeration and biological fluidisation Bed, in waste water, the organic pollution of residual, nitrogen, phosphorus are removed further;(9) waste water boosted entrance flotation tank, separates The mud gone out enters mud reservoir, and standard water discharge is discharged, and flotation tank arranges charging device.
The beneficial effects of the utility model:
(1) this utility model is for the higher feature of Cattle Wastewater content of organics and ammonia-nitrogen content, first uses van-type membrane filter pressing SS in waste water removed by machine, reduces the difficulty of subsequent biological treatment, and anaerobic technology can remove major part Organic substance, but cannot reach Mark discharge, and removal efficiency of nitrogen and phosphorus is few, enters AAO technique after anaerobism, and main purpose is denitrogenation dephosphorizing, after AAO processes The content of total nitrogen has had the biggest reduction, but phosphorus content is still not up to standard;So water outlet is passed through flotation tank, air supporting further Front addition PAM, PAC, make phosphorus content reduce further.
(2) of the present utility model based on " anaerobic treatment+AAO+ aerated biological fludized bed+flotation tank " Waste Water Treatment, place Managing effective, energy resource consumption is low, and anaerobic methane is also used as utilization of energy, and this method surplus sludge volume is few, reduces Excess sludge processing cost;And construction investment is few, operating cost is low, operational management is simple and convenient.
Accompanying drawing explanation
Fig. 1: the operating diagram of Cattle Wastewater processing system of the present utility model.
Detailed description of the invention
The milch cow waste water that kind cattle farm, above sea light Ming Hesitan animal husbandry company limited Kingsoft produces is as object of study.The said firm's milk The waste water that cattle farm produces has Organic substance, NH3The feature that-N, TP are high and solids content is high.
Embodiment 1: Cattle Wastewater processing system
Cattle Wastewater processing system of the present utility model, is disposed with: regulating reservoir, filter-pressing device, the first anaerobic pond, Two anaerobic ponds, anoxic pond, Aerobic Pond, sedimentation tank, aerated biological fludized bed, flotation tank, mud reservoir.
Wherein, in described regulating reservoir, it is provided with aerator, by using perforated pipe intermittent aerating to stir in pond, it is achieved water quality Uniformly and prevent solid particle from precipitating;The reactor top of described first anaerobic pond is provided with three phase separator, and top is provided with gas and receives Collection pipeline, bottom is provided with mud discharging device, and is provided with internal reflux pipeline at inside reactor;Described pressure filter be automatic van-type every Filter press membrane;Described Aerobic Pond is connected by sludge recirculation system with anoxic pond;Described sedimentation tank and the second anaerobic pond pass through mud Reflux connects;Described sedimentation tank is vertical sedimentation tank, is provided with sludge drainage system;Described flotation tank is provided with charging device.
Through feed pump, Cattle Wastewater pretreated in regulating reservoir is entered pressure filter be dehydrated, cut through filter pressing float Staying, in water outlet, float and COD content are greatly reduced, and mud cake is discharged;After filter pressing, filtrate pumps into the first anaerobic pond, passes through anaerobism Organic substance in the metabolism Decomposition Wastewater of microorganism, the big portion of the content of COD, BOD, SS in the first anaerobic pond Divide and remove, but NH4 +-N, TN, TP clearance the most little;Anaerobic effluent is further by the second anaerobic pond, anoxia Pond, Aerobic Pond, be passed through AAO technique (anaerobic-aerobic substitutes, anaerobic-aerobic substitutes), in order to remove total phosphorus, nitrobacteria Nitration reaction, denitrifying bacteria denitrogenation under anoxic conditions is carried out under aerobic conciliation;It is heavy that waste water through AAO technique enters Pond, shallow lake, carries out mud-water separation, and partial sludge is back to anoxic pond;The water outlet of sedimentation tank top is passed through aerated biological fludized bed and carries out Oxygen processes, and arranges fraction anoxic zones in fluid bed front, while removing COD, it is also possible to continue degraded total nitrogen.It Rear waste water is passed through flotation tank, before carrying out air supporting, adds PAC and PAM, continues to purify the phosphorus content in waste water, simultaneously Also by the activated sludge not being separated in dissolved air flotation water.
Embodiment 2: Cattle Wastewater processing system
Cattle Wastewater processing system of the present utility model, is disposed with: regulating reservoir, filter-pressing device, the first anaerobic pond, Two anaerobic ponds, anoxic pond, Aerobic Pond, sedimentation tank, aerated biological fludized bed, flotation tank, mud reservoir.
The boosted pump of waste water enters regulating reservoir.Regulating reservoir uses reinforced concrete structure.
Waste water enters automatic Chamber Type Diaphragm Filter Press through pressure filter feed worm pump, and pressure filter model is XMZG200/1250, mistake Filtering surface amasss as 200m2, chamber space is 4m3
First anaerobic pond, design parameter: L × W × H=12.5m × 8.5m × 12m, quantity 2.Follow in arranging in first anaerobic pond Loop systems (water pump), Model of pump is 150WL150-7-5.5, quantity 2, and internal circulation apparatus 4 overlaps, and material is SS304+UPVC. First anaerobic pond uses bottom feed, and 4 water distributors are uniformly distributed, and material is SS304+UPVC, and reactor top is provided with 8 Set three phase separator, material is FRP, and top is provided with collection and confinement of gases pipeline, and bottom is provided with mud discharging device, has 4 set effluent weirs, Material SS304, and it is provided with internal reflux pipeline at inside reactor.
AAO reactor includes the second anaerobic pond, anoxic pond, Aerobic Pond, sedimentation tank.AAO reactor is armored concrete knot Structure, quantity 2, design parameter: L × W × H=, 16m × 12.5m × 6m, available depth 5.5m, total dischargeable capacity 2200m3, In AAO reactor, aerator 1000 overlaps, and material is ABS, and inside arranges diving mixing device.
2000m is filled in Aerobic Pond3Bio-carrier elastomeric material, bio-carrier support material galvanizing, inner circulating reflux pump 4 Platform (2 is standby with 2), model 100WL80-10-4, pump housing material cast iron;Roots blower 3 (2 is standby with 1), model SSR150HB; Diving mixer 2, material SS304, model MA2.2/8-320-740.
Sedimentation tank is reinforced concrete structure, design parameter: L × W × H=7.5m × 7.5m × 4m, arranges one and scrape in sedimentation tank Mud machine, under water material SS304 material CS waterborne anticorrosion, effluent weir is material SS304.Sludge reflux pump 2 in sedimentation tank (1 is standby with 1), model is 65WL30-10-2.2, pump housing material cast iron.
Aerated biological fludized bed is reinforced concrete structure, design parameter: L × W × H=10m × 7.5m × 5m, dischargeable capacity 375m3, aerated biological fludized bed adds PE+ polyurethane filler, packing specific area 500-3.5 × 103m2/m3, aeration system Commons matter is UPVC, and allotting water system commons matter is SS304.
Waste water flows out boosted pump (. model 65WQ30-15-3) pump from aerated biological fludized bed and enters flotation tank, flotation tank model DAF-45.Flotation tank is furnished with a set of PAC basin (single tank volume 30m3, material PE), a set of PAM steeps medicine machine (material automatically Matter SS304, model PT2660), 2 set PAM add dosing pump (model JZM-A1200), 2 set PAC add metering Pump (model JZM-A1200).
Embodiment 3 Cattle Wastewater processes
Application this utility model sewage disposal system processes the waste water of kind cattle farm, Guangming Hesitan Livestocks Co., Ltd. Shanghai Kingsoft. Cattle Wastewater COD be about 48600mg/L, BOD be about 7800mg/L, NH4 +-N is about 1230mg/L, TN be about 1543mg/L, TP be about 447mg/L, water outlet after sewage disposal system of the present utility model processes COD < 400mg/L, average removal rate is 99%;BOD < 150mg/L, average removal rate is 99%;NH4 +-N < 40mg/L, Average removal rate is 99%;TN < 60mg/L, average removal rate is 99%;TP < 8mg/L, average removal rate is 99%; SS < 400mg/L, TP < 8mg/L, is fully achieved in " livestock and poultry breeding industry pollutant emission standard " (GB18596-2001) and wants The discharge standard asked.
Although this utility model is open the most as above with preferred embodiment, but it is not limited to this utility model, any is familiar with this The people of technology, without departing from spirit and scope of the present utility model, can do various changes and modification, and therefore this practicality is new The protection domain of type should be with being as the criterion that claims are defined.

Claims (10)

1. a Cattle Wastewater processing system, it is characterised in that described system is disposed with: regulating reservoir, filter-pressing device, First anaerobic pond, the second anaerobic pond, anoxic pond, Aerobic Pond, sedimentation tank, aerated biological fludized bed, flotation tank, mud reservoir.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described first anaerobic pond is UASB Reactor, reactor top is provided with three phase separator, and top is provided with collection and confinement of gases pipeline, and bottom is provided with mud discharging device, and Inside reactor is provided with internal reflux pipeline.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that be provided with aeration dress in described regulating reservoir Put.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described Aerobic Pond passes through with anoxic pond Sludge recirculation system connects.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described sedimentation tank and the second anaerobic pond Connected by sludge refluxing apparatus.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described aerated biological fludized bed front Also set up hypoxia device.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described sedimentation tank is vertical sedimentation tank, It is provided with sludge drainage system.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described regulating reservoir is by feed pump even Connect pressure filter.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described pressure filter be automatic van-type every Filter press membrane.
Cattle Wastewater processing system the most according to claim 1, it is characterised in that described flotation tank is provided with and feeds intake Device.
CN201620275214.4U 2016-04-05 2016-04-05 Effluent disposal system of diary farm Expired - Fee Related CN205528299U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668946A (en) * 2016-04-05 2016-06-15 江南大学 Dairy farm wastewater treatment system and treatment method
CN106315983A (en) * 2016-09-30 2017-01-11 广西罗城科潮基业科技发展有限公司 Starch alcohol wastewater treatment system and method
CN109179870A (en) * 2018-09-19 2019-01-11 北京碧水源净水工程技术股份有限公司 A kind of processing unit and method of liquid eggs processing waste water

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668946A (en) * 2016-04-05 2016-06-15 江南大学 Dairy farm wastewater treatment system and treatment method
CN105668946B (en) * 2016-04-05 2019-01-11 江南大学 A kind of Cattle Wastewater processing system and processing method
CN106315983A (en) * 2016-09-30 2017-01-11 广西罗城科潮基业科技发展有限公司 Starch alcohol wastewater treatment system and method
CN106315983B (en) * 2016-09-30 2019-07-26 广西罗城科潮基业科技发展有限公司 A kind of starch alcohol waste water processing system and method
CN109179870A (en) * 2018-09-19 2019-01-11 北京碧水源净水工程技术股份有限公司 A kind of processing unit and method of liquid eggs processing waste water

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160831

Termination date: 20170405