CN207537305U - Livestock breeding wastewater total system - Google Patents

Livestock breeding wastewater total system Download PDF

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Publication number
CN207537305U
CN207537305U CN201721255634.7U CN201721255634U CN207537305U CN 207537305 U CN207537305 U CN 207537305U CN 201721255634 U CN201721255634 U CN 201721255634U CN 207537305 U CN207537305 U CN 207537305U
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sludge
livestock breeding
breeding wastewater
total system
water
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涂玉婷
彭智平
黄继川
吴雪娜
刘建峰
林志军
杨林香
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Institute of Agricultural Resources and Environment of Guangdong Academy of Agricultural Sciences
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Institute of Agricultural Resources and Environment of Guangdong Academy of Agricultural Sciences
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Abstract

The utility model discloses a kind of livestock breeding wastewater total system, including waste collecting pit, grid pond, regulating reservoir, upflow anaerobic sludge blanket reactor, intermediate pool, water plant filter bed, ammonia absorption tower, sludge-tank and sludge filter press.The water outlet of intermediate pool connects the water inlet of contact-oxidation pool, Ammonia blowing-out tower, the water outlet connection contact-oxidation pool of Ammonia blowing-out tower respectively.The water outlet of contact-oxidation pool is connected with water plant filter bed.Ammonia blowing-out tower connects ammonia absorption tower.Upflow anaerobic sludge blanket reactor, contact-oxidation pool connect the sludge-tank, the mud mouth connection sludge filter press of sludge-tank by sludge pipe.The utility model effectively combines physical chemistry biological treatment, and reasonable in design, good waste water treatment effect, resources utilization degree is high, has good environment, economic and social benefit.

Description

Livestock breeding wastewater total system
Technical field
The utility model belongs to technical field of sewage, is related to livestock breeding wastewater processing, and in particular to a kind of livestock and poultry Breeding wastewater total system.
Background technology
In the past 30 years, as the adjustment of agricultural structure, the development of rural economy and Correspondence policy encourage to help, Livestock and poultry breeding industry proportion in agriculture value increases to 50% or so by 18%, becomes the pillar industry of China's agricultural development One of.Meanwhile with the propulsion of agricultural modernization, pig raising pattern is to scale, intensive, industrialized development.But due to portion Divide livestock and poultry cultivation person environmental consciousness weak, breeding scale sewage treatment equipment and technology lack, and still there is about 80% scale in China at present Farm is not effectively treated waste water and is directly discharged into farm's ambient enviroment.These are unprocessed and arbitrarily discharge Breeding wastewater will bring enormous pressure to ecological environment, and water body, air and soil are caused seriously to pollute.Pollution from livestock and poultry Have become the bottleneck for restricting Modern Animal Husbandry development.As the public adds livestock breeding wastewater contamination hazard understanding It is deep, environmental protection and the appearance of pollution control series laws and regulations, research and development economy, the processing of efficient livestock breeding wastewater Technique is of great significance to livestock and poultry breeding industry prevention and cure of pollution.
Cultivating wastewater purification be the most critical that current pig breeding farm prevention and cure of pollution face be also be most difficult to operation the problem of it One.Breeding wastewater has water fluctuation big, and solid suspension content height, organic concentration is high, the spies such as N, P nutrient concentrations height Point.At present, China's major part large-scale pig farm periphery shortage of land resource, ecological resources are deficient, dissolved without enough soils The waste water of generation carries out eco-industrialization mode processing.In order to more thoroughly remove the pollutant in breeding wastewater, realize that waste water reaches Mark discharge enters the combined treatment that bioreactor is handled after generally use producing methane through anaerobic fermentation in actual waste water processing System.But pass through operation for many years, existing technique generally existing Treatment Stability is poor, nitric efficiency is low, operating cost is high, The phenomenon that water outlet is not up to standard.The main crux for the problem occur is:After producing methane through anaerobic fermentation, organic matter is converted waste water Removal, and TN contents are basically unchanged, and lead to that the waste water C/N into subsequent bio reactor is low, and biodegradability is poor.In biological respinse Due to ammonia nitrogen in sewage content height in device, nitrifying process generates a large amount of acid(Formula 1), it is unbalance to easily cause system acid-base value.And for Heterotroph denitrifying bacterium is needed during being nitrogen by a large amount of nitrate-nitrogen reductions using organic carbon source as hydrogen donor(Formula 2), And relatively low organic concentration will seriously limit denitrification process.
(Formula 1)
(Formula 2)
Therefore, for the above problem present in scale animal and poultry cultivation wastewater treatment, there is an urgent need for exploitation one kind efficiently to take off It can effectively solve the problem that microbe treatment system acid-base value is unbalance and denitrifying carbon source is insufficient while nitrogen dephosphorization organics removal Treatment process.In addition, for the meagre cultivation industry of profit, sewage treatment process should also have good economic and money Source recycles benefit.
Invention content
The purpose of this utility model is to provide a kind of livestock breeding wastewater total systems, are deposited with solving the prior art The above problem.This livestock breeding wastewater total system uses the side that physical-chemical-biological treatment is combined Method while ensureing cultivating wastewater purification effect and improving system effluent quality, realizes resource regeneration, creates economic effect Benefit effectively reduces cost of sewage disposal.
To achieve these goals, the utility model takes following technical solution.
Livestock breeding wastewater total system, including sequentially connected waste collecting pit, grid pond, regulating reservoir, on Flow anaerobic sludge bed reactor and intermediate pool, the water outlet of the intermediate pool connect contact-oxidation pool, Ammonia blowing-out tower respectively Water inlet, the water outlet connection contact-oxidation pool of the Ammonia blowing-out tower.
One of preferred embodiment as the technical program, the water outlet of the regulating reservoir are lifted into up flow type through pump and detest Oxygen sludge bed reactor, the water outlet gravity flow of the upflow anaerobic sludge blanket reactor enter intermediate pool.
It is further preferred that the upflow anaerobic sludge blanket reactor connection collecting methane and purifier.
One of preferred embodiment as the technical program, the water outlet of the intermediate pool are lifted into ammonia aeration through pump Tower, the water outlet discontinuous of the Ammonia blowing-out tower enter contact-oxidation pool.
It is further preferred that the bottom of the contact-oxidation pool is provided with aerating system.
Further, the livestock breeding wastewater total system further includes water plant filter bed, the contact oxygen The water outlet for changing pond is connected with the water plant filter bed.
There is nitrogen phosphorus to inhale for one of preferred embodiment as the technical program, the inside setting of the water plant filter bed The filler of slow-release function is echoed, aquatic crops is planted on the top of the water plant filter bed.
Further, the livestock breeding wastewater total system further includes ammonia absorption tower, the Ammonia blowing-out tower Connect the ammonia absorption tower.
Further, the livestock breeding wastewater total system, further includes sludge-tank and sludge filter press, described Upflow anaerobic sludge blanket reactor, contact-oxidation pool connect the sludge-tank, the mud extraction of the sludge-tank by sludge pipe Mouth connects the sludge filter press.
One of preferred embodiment as the technical program, the aquatic crops for water spinach, oenanthe stolonifera, Lythrum salicaria, At least one of Nasturtium officinale.
Compared with existing livestock breeding wastewater treatment technology, livestock breeding wastewater total system described in the utility model At least have the advantages that following advantageous effects or.
(1)The livestock breeding wastewater total system is included through the sequentially connected waste collecting pit of pipeline, grid Pond, regulating reservoir, upflow anaerobic sludge blanket reactor and intermediate pool, the waste water into intermediate pool respectively enter connect by a certain percentage Touch oxidation pond and Ammonia blowing-out tower, the water outlet connection contact-oxidation pool of Ammonia blowing-out tower.Further, this livestock breeding wastewater is comprehensive It closes processing system and further includes water plant filter bed, the water outlet of contact-oxidation pool is connected with water plant filter bed.Upflow type anaerobic Sludge bed reactor connects collecting methane and purifier.Upflow anaerobic sludge blanket reactor, the bottom of contact-oxidation pool are equal Sludge-tank, the mud mouth connection sludge filter press of sludge-tank are connected by sludge pipe.The ammonia nitrogen that Ammonia blowing-out tower generates is passed through ammonia Absorption tower is absorbed with inorganic acid, generates ammonium salt.Livestock breeding wastewater total system described in the utility model using physics- Chemical-biological treatment process, biogas can be used as clean energy resource, and for farm's production and living, ammonia, which absorbs the ammonium salt generated, to be made For Fertilizer application, the argol slag of sludge and grid pond collection can be used for producing organic fertilizer.The utility model realizes livestock and poultry cultivation The synthesis regeneration of waste water, effectively reduces cost for wastewater treatment;Also ensure cultivating wastewater purification effect, and improve simultaneously System effluent quality.
(2)By increasing Ammonia blowing-out tower in the livestock breeding wastewater total system and connecting with Ammonia blowing-out tower The ammonia absorption tower connect, the mineralized nitrogen that Ammonia blowing-out tower is generated realize ammonia nitrogen in livestock breeding wastewater into ammonium salt fertilizer Strengthen removing and Nitrogen Resource recycling.
(3)The water outlet connection contact-oxidation pool of Ammonia blowing-out tower, water-out manners are intermittent loading, to neutralize nitration reaction The acid produced in the process, while be anti-nitration reaction supplementary carbon source.By the intermittent addition bio-contact oxidation of alkaline deamination waste water Pond effectively solves the problems, such as that microbe treatment system acid-base value is unbalance and anti-nitration reaction carbon source is insufficient, improves nitrogen removal performance, surely Determine effluent quality.
(4)Aquatic crops is planted on the top of water plant filter bed, can not only further be purified water, while vegetable can be harvested Dish by-product increases economic benefit.
Description of the drawings
Fig. 1 is the flow chart of livestock breeding wastewater total system described in the utility model.
Reference sign:1st, waste collecting pit;2nd, grid pond;3rd, regulating reservoir;4th, upflow anaerobic sludge blanket reactor; 5th, intermediate pool;6th, contact-oxidation pool;7th, water plant filter bed;8th, Ammonia blowing-out tower;9th, ammonia absorption tower;10th, sludge-tank;11st, it is dirty Mud filter press.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that the specific embodiments described herein are only used to solve The utility model is released, is not used to limit the utility model.For sake of convenience, hereinafter so-called "left", "right", " on ", " under " consistent with attached drawing "left", "right" in itself, " on ", " under " direction.
Embodiment 1
The present embodiment provides a kind of livestock breeding wastewater total system, as shown in Figure 1, including waste collecting pit 1, lattice Grid pond 2, regulating reservoir 3, upflow anaerobic sludge blanket reactor 4(Up-flow Anaerobic Sludge Bed/Blanket, letter Referred to as UASB), intermediate pool 5.The waste collecting pit 1, grid pond 2, regulating reservoir 3, upflow anaerobic sludge blanket reactor 4, in Between pond 5 be sequentially connected by pipeline.Livestock breeding wastewater and the pending raw water of the present embodiment, are collected through waste collecting pit 1 Pass through grid pond 2, regulating reservoir 3, upflow anaerobic sludge blanket reactor 4 and intermediate pool 5 successively afterwards.The water outlet of intermediate pool 5 point Not Lian Jie contact-oxidation pool 6, Ammonia blowing-out tower 8 water inlet, Ammonia blowing-out tower 8 water outlet connection contact-oxidation pool 6.
In the present embodiment, the water outlet of regulating reservoir 3 is lifted into upflow anaerobic sludge blanket reactor 4, up flow type through pump The water outlet gravity flow of anaerobic mud bed reactor 4 enters intermediate pool 5.Upflow anaerobic sludge blanket reactor 4 connect collecting methane with Purifier, biogas can be used as clean energy resource to be used for farm's production and living.The water outlet of intermediate pool 5 is lifted into ammonia aeration through pump Tower 8, Ammonia blowing-out tower 8 include lye dosing system and wind turbine blower system, anaerobic digestion solution are removed by way of adding alkali stripping Middle most ammonia-nitrogen.The water outlet discontinuous of Ammonia blowing-out tower 8 enters contact-oxidation pool 6, and the bottom of contact-oxidation pool 6 is provided with exposure Gas system.
The livestock breeding wastewater total system further includes water plant filter bed 7, ammonia absorption tower 9, sludge-tank 10 With sludge filter press 11.Water plant filter bed 7 connect contact-oxidation pool 6 water outlet, the waste water in contact-oxidation pool 6 is made into The purified treatment of one step, specifically, filler of the setting with the absorption of nitrogen phosphorus and slow-release function in the inside of water plant filter bed 7, Aquatic crops is planted on the top of water plant filter bed 7.Here aquatic crops is water spinach, oenanthe stolonifera, Lythrum salicaria, Nasturtium officinale At least one of.Ammonia absorption tower 9 connects Ammonia blowing-out tower 8, absorbs the ammonia nitrogen that Ammonia blowing-out tower 8 generates, specifically, ammonia nitrogen nothing Machine acid absorbs, and generates ammonium salt, and the inorganic acid selects one kind in hydrochloric acid, sulfuric acid or phosphoric acid.Sludge-tank 10 passes through sludge pipe Upflow anaerobic sludge blanket reactor 4, contact-oxidation pool 6, the mud mouth connection sludge filter press 11 of sludge-tank 10 are connected respectively. For sludge filter press 11 for being carried out dehydrating to sludge, dewatered dewatered sludge can be used for the production of organic fertilizer.
Embodiment 2
On the basis of embodiment 1, the flow of livestock breeding wastewater total system, is specifically described with reference to shown in Fig. 1 The operation principle of the livestock breeding wastewater total system.
Raw water is reacted after being collected in waste collecting pit 1 by grid pond 2, regulating reservoir 3, up-flow anaerobic sludge blanket successively Device 4, intermediate pool 5, the waste water into intermediate pool 5 respectively enter contact-oxidation pool 6 and Ammonia blowing-out tower 8, ammonia aeration by a certain percentage The water outlet of tower 8 is connected with 6 water inlet of contact-oxidation pool, and the water outlet of contact-oxidation pool 6 is connected with water plant filter bed 7.Ammonia is blown The ammonia that de- tower 8 generates enters ammonia absorption tower 9 and is handled.Upflow anaerobic sludge blanket reactor 4 and contact-oxidation pool 6 produce Raw sludge, passes sequentially through sludge-tank 10 and sludge filter press 11 is handled.
Details are as follows for the operation principle of the livestock breeding wastewater total system.
The waste water of waste collecting pit 1 is discharged into grid pond 2 through pipeline, by the grid suspended matter larger to particle in waste water into Row intercepts, to prevent from blocking subsequent processing device, while reduce the pollutional load of subsequent technique.The argol slag of collection can be used for heap Organic fertilizer processed.Waste water enters regulating reservoir 3 after the interception of grid pond 2, on the one hand can further precipitation solid suspended matter, the opposing party Water quality, water is adjusted in face.
Regulating reservoir 3 is discharged is lifted into upflow anaerobic sludge blanket reactor 4 through pump, under the action of seed activity sludge Most of organic matter is decomposed, effectively reduces waste water COD, improves wastewater biodegradability, while itrogenous organic substance is in anaerobic condition Ammonia nitrogen is converted to by the effect of heterotroph ammonifiers down.Upflow anaerobic sludge blanket reactor 4 has solid-liquid-gas three phase simultaneously Separating effect generates methane and carbon dioxide and collects acquisition biogas by gas collector.Up-flow anaerobic sludge blanket reacts Device 4 treated water outlet gravity flow enter intermediate pool 5.
The sewage that intermediate pool 5 is collected, a part are promoted to small-sized Ammonia blowing-out tower 8 by pump, are turned ammonia nitrogen by adding lye Ammonia is melted into, through air-flow stripping so as to reduce the ammonia nitrogen in waste water, and improves wastewater pH to alkalinity.The ammonia of stripping is inhaled in ammonia It receives in tower 9, is absorbed, the ammonium sulfate of acquisition, can be used as liquid fertilizer using sulfuric acid.Another portion in intermediate pool 5 Point sewage is pumped into biological contact oxidation pond 6, the organic pollution in further degrading waste water, and realizes synchronous denitrification dephosphorizing.Ammonia Air-blowing takes off that treated, and water outlet discontinuous enters contact-oxidation pool 6, to adjust the acid-base value of sewage in contact-oxidation pool, and supplements Carbon source ensures that anti-nitration reaction is smoothed out.
The water outlet gravity flow of contact-oxidation pool 6 enters water plant filter bed 7, and being used in filter bed has the absorption of nitrogen phosphorus and slow-release function Multiple elements design filler, filter bed top plantation with certain economic value aquatic crops, adsorbed by filtrate, crop absorb, The collective effect of microorganism conversion, further purifies water.The crop of harvest is commercially available or is used as animal and fowl fodder.Water outlet can Qualified discharge or reuse.
The sludge that upflow anaerobic sludge blanket reactor 4 and contact-oxidation pool 6 generate enters sludge-tank 10 by pipeline, and By 11 dehydration of sludge filter press.Dewatered dewatered sludge can be used for organic after being mixed with the argol slag that grid pond 2 is collected The production of fertilizer.
Livestock breeding wastewater total system described in the utility model uses physical-chemical-biological treatment, biogas Clean energy resource can be used as, and for farm's production and living, ammonia, which absorbs the ammonium salt generated, can be used as Fertilizer application, sludge and grid The argol slag that pond is collected can be used for producing organic fertilizer.The utility model realizes the synthesis regeneration of livestock breeding wastewater, has Effect reduces cost for wastewater treatment;Also ensure cultivating wastewater purification effect, and improve system effluent quality simultaneously.
In the description of this specification, reference term " embodiment ", " example ", " specific example " or " some examples " etc. Description mean that combining specific method, device or feature that the embodiment or example describe is contained at least the one of the present embodiment In a embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical implementation Example or example, moreover, specific features, method, apparatus or the feature of description can be in any one or more embodiments or examples In combine in an appropriate manner.In addition, without conflicting with each other, those skilled in the art can will be in this specification The different embodiments or examples of description and the feature of different embodiments or examples are combined.

Claims (10)

1. livestock breeding wastewater total system, which is characterized in that including sequentially connected waste collecting pit(1), grid pond (2), regulating reservoir(3), upflow anaerobic sludge blanket reactor(4)And intermediate pool(5), the intermediate pool(5)Water outlet difference Connect contact-oxidation pool(6), Ammonia blowing-out tower(8)Water inlet, the Ammonia blowing-out tower(8)Water outlet connection contact-oxidation pool (6).
2. livestock breeding wastewater total system according to claim 1, which is characterized in that the regulating reservoir(3)Go out Water is lifted into upflow anaerobic sludge blanket reactor through pump(4), the upflow anaerobic sludge blanket reactor(4)Water outlet from Stream enters intermediate pool(5).
3. livestock breeding wastewater total system according to claim 2, which is characterized in that the upflow anaerobic sludge Bed reactor(4)Connect collecting methane and purifier.
4. livestock breeding wastewater total system according to claim 1, which is characterized in that the intermediate pool(5)Go out Water is lifted into Ammonia blowing-out tower through pump(8), the Ammonia blowing-out tower(8)Water outlet discontinuous enter contact-oxidation pool(6).
5. livestock breeding wastewater total system according to claim 4, which is characterized in that the contact-oxidation pool(6) Bottom be provided with aerating system.
6. according to any one of claim 1 to 5 livestock breeding wastewater total system, which is characterized in that further include Water plant filter bed(7), the contact-oxidation pool(6)Water outlet and the water plant filter bed(7)It is connected.
7. livestock breeding wastewater total system according to claim 6, which is characterized in that the water plant filter bed (7)Inside setting with nitrogen phosphorus absorption and slow-release function filler, in the water plant filter bed(7)Top plantation it is aquatic Crop.
8. according to any one of claim 1 to 5 livestock breeding wastewater total system, which is characterized in that further include Ammonia absorption tower(9), the Ammonia blowing-out tower(8)Connect the ammonia absorption tower(9).
9. according to any one of claim 1 to 5 livestock breeding wastewater total system, which is characterized in that further include Sludge-tank(10)And sludge filter press(11), the upflow anaerobic sludge blanket reactor(4), contact-oxidation pool(6)Pass through Sludge pipe connects the sludge-tank(10), the sludge-tank(10)Mud mouth connect the sludge filter press(11).
10. livestock breeding wastewater total system according to claim 7, which is characterized in that the aquatic crops is sky At least one of heart dish, oenanthe stolonifera, Lythrum salicaria, Nasturtium officinale.
CN201721255634.7U 2017-09-28 2017-09-28 Livestock breeding wastewater total system Active CN207537305U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108862860A (en) * 2018-07-09 2018-11-23 许春燕 A kind of sewage-treatment plant of Automatic Control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108862860A (en) * 2018-07-09 2018-11-23 许春燕 A kind of sewage-treatment plant of Automatic Control

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