CN110015815A - A kind of processing system and method for breeding wastewater - Google Patents

A kind of processing system and method for breeding wastewater Download PDF

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Publication number
CN110015815A
CN110015815A CN201910337847.1A CN201910337847A CN110015815A CN 110015815 A CN110015815 A CN 110015815A CN 201910337847 A CN201910337847 A CN 201910337847A CN 110015815 A CN110015815 A CN 110015815A
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CN
China
Prior art keywords
waste water
wastewater
processing system
ammonia nitrogen
culturing
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Pending
Application number
CN201910337847.1A
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Chinese (zh)
Inventor
李光全
杨红伟
李洪腾
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Yarong (chongqing) Environmental Protection Engineering Co Ltd
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Yarong (chongqing) Environmental Protection Engineering Co Ltd
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Priority to CN201910337847.1A priority Critical patent/CN110015815A/en
Publication of CN110015815A publication Critical patent/CN110015815A/en
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/16Halides of ammonium
    • C01C1/164Ammonium chloride
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

Abstract

The present invention provides a kind of culturing wastewater processing system, and the culturing wastewater processing system includes sequentially connected sewage collecting pool, Wastewater Pretreatment unit, preliminary treatment unit, advanced treatment unit and sewage discharger;Advantageous effect of the invention is that apparatus of the present invention combine advanced processing method, the harmful substance in sewage can effectively be handled, ensure that waste water reaches discharge standard after treatment, removal for ammonia nitrogen substances is even more to reach 95% ~ 99%, technical flow design is reasonable, not by seasonal effect, land area is in 40m2~60m2Left and right extracts the ammonium ion in waste water using ion-exchange process, is prepared into high-purity ammonium chloride, realizes that the green of nitrogen source recycles.

Description

A kind of processing system and method for breeding wastewater
Technical field
The invention belongs to environment protection fields, and in particular to a kind of processing system and method for breeding wastewater.
Background technique
Livestock and poultry breeding industry is grown rapidly in recent years, and large quantities of livestock and poultry farms in scale are built up in succession, and are mainly distributed on city The suburbs in city, and along with specialization, the producing in serial form gradually formed, thus bring a series of environmental problems.
Aquaculture waste water is rich in a large amount of pathogen, is entered water body by rain-out, easily sternly as high concentrated organic wastewater The deterioration for remaking into underground water or surface water quality, since the leaching such as nitrogen, phosphorus and water soluble organic substance in fecaluria are big, in addition The leaching of Animal fecal pollution is again stronger, deals with improperly kind, enters water table by rainwash and diafiltration, can seriously by ground Lower water pollution, at the same time, waste water of livestock poultry dregginess, organic matter and concentration of nitrogen and phosphorus are high, and water fluctuation is big, in addition processing skill at present Art is immature, management operating overall situation at high cost, and there is an urgent need to economical and practical technology branch for domestic aquaculture contamination control It holds.
Currently, processing aquaculture waste water has biogas anaerobic method, biochemical method, biofilm, precipitating plus artificial swamp method, electrolysis Method or dystopy are fermented bed process, these methods or there are problems that being difficult to remove all contaminants or at high cost, practicability Difference, it is difficult to carry out large-scale industrialization processing, although such as biochemical treatment effectively degradation part ammonia nitrogen etc, biochemical treatment Huge land used is occupied, effect is also influenced by season;And MBR technique cannot remove ammonia nitrogen substantially, can only remove SS;Peculiar smell hair The advantages of ferment bed, is that reaching real zero-emission and organic fertilizer utilizes, but is only suitable for small-sized farm, and reason is week of fermenting Phase is long and supplementary product consumption is huge and auxiliary material transportation cost is excessively high, and labor intensive is big.
Summary of the invention
In order to solve the above technical problems, the present invention provides the processing system and method for a kind of breeding wastewater.
Specific technical solution is as follows:
A kind of culturing wastewater processing system, the difference is that, the culturing wastewater processing system includes sequentially connected dirt Water collecting pit, Wastewater Pretreatment unit, preliminary treatment unit, advanced treatment unit and sewage discharger;
Wherein, the solid residue in the sewage pretreatment device removal breeding wastewater, the preliminary treatment unit, which utilizes, to be detested Organic pollutant in oxygen animalcule and aerobic degradation breeding wastewater, the advanced treatment unit include sequentially connected ammonia N2 adsorption device and depth adsorbent equipment, the ammonia nitrogen absorption device adsorb the ammonia nitrogen in waste water, the depth adsorbent equipment benefit The pollutant in waste water is adsorbed with filtrate.
In above-mentioned technical proposal, the culturing wastewater processing system further includes being connected to the advanced treatment unit and described Biological stabilization pond between sewage discharger.
In above-mentioned technical proposal, the Wastewater Pretreatment unit includes sequentially connected grid pond and conditioning tank.
In above-mentioned technical proposal, the preliminary treatment unit includes anaerobic pond, aerobic tank and flocculation sedimentation tank.
In above-mentioned technical proposal, ammonia nitrogen absorption device includes tourie and desorption tank, and the tourie is provided with chelating tree Rouge.
In above-mentioned technical proposal, the filtrate of the depth adsorbent equipment is compound iron carbon.
A method of breeding wastewater being handled using above system, the difference is that, the processing breeding wastewater Method the following steps are included:
Step 1 removes the large-sized solid in waste water after cultivation wastewater collection;
Step 2, the waste water after the step 1 is separated by solid-liquid separation successively passes through anaerobe processing and aerobic microorganisms are handled Carry out the organic matter in degrading waste water, then removes the suspended matter in waste water, obtain pretreated waste water;
Pretreated waste water in the step 2 is removed ammonia nitrogen with the technique of ion exchange, recycled after removing ammonia nitrogen by step 3 Filtrate absorption, further removes acidic materials, obtains advanced treatment of waste water.
In above-mentioned technical proposal, the method for the processing breeding wastewater is further comprising the steps of:
Advanced treatment of waste water described in step 3 is discharged step 4 after biological stabilization pond aoxidizes.
In above-mentioned technical proposal, in the step 3, the pretreated waste water carries out ion exchange using chelate resin and goes Except ammonia nitrogen, wastewater pH is between 2 ~ 4 after removing ammonia nitrogen;When chelate resin and filtrate absorption reach saturation, carry out at separating process It manages and then recycles, ammonium chloride solution can be produced when chelate resin carries out desorption processing.
In above-mentioned technical proposal, in the step 2, anaerobic waste water pond carries out Anaerobic Treatment, carries out to the solid in waste water Anaerobic precipitation, the water that then anaerobic pond comes out enter aerobic tank by Aerobic Process for Treatment, enter back into flocculation deposition apparatus, make in waste water Suspended matter flocculation further removes the suspended matter in waste water.
Compared with prior art, the beneficial effects of the present invention are apparatus of the present invention to combine advanced processing method, can Effectively handle the harmful substance in sewage, it is ensured that waste water reaches discharge standard after treatment, for going for ammonia nitrogen substances Except being even more to reach 95% ~ 99%, advantageous effect of the invention is that apparatus of the present invention combine advanced processing method, can effectively be located in Manage the harmful substance in sewage, it is ensured that waste water reaches discharge standard after treatment, and the removal for ammonia nitrogen substances is even more to reach To 95% ~ 99%, technical flow design is reasonable, and not by seasonal effect, land area is in 40m2~60m2Left and right, using ion exchange work Skill extracts the ammonium ion in waste water, is prepared into high-purity ammonium chloride, realizes that the green of nitrogen source recycles.
Detailed description of the invention
Attached drawing 1 is culturing wastewater processing system figure of the present invention;
Wherein, 1- sewage collecting pool, 2- Wastewater Pretreatment unit, 3- preliminary treatment unit, 4- advanced treatment unit, 5- biology are steady Determine the pool, 6- sewage discharger, 201- grid pond, 202- conditioning tank, 301- anaerobic pond, 302- aerobic tank, 303- flocculation sedimentation Pond, 401- ammonia nitrogen absorption device, 402- depth adsorbent equipment, 4011- tourie, 4012- desorption tank.
Specific embodiment
Technical solution of the present invention is explained in detail with reference to the accompanying drawings and embodiments.
Embodiment
A kind of culturing wastewater processing system, the difference is that, the culturing wastewater processing system includes being sequentially connected Sewage collecting pool 1, Wastewater Pretreatment unit 2, preliminary treatment unit 3, advanced treatment unit 4 and sewage discharger 6;
Wherein, the Wastewater Pretreatment unit 2 removes the solid residue in breeding wastewater, and the preliminary treatment unit 3 utilizes Organic pollutant in anaerobe and well feeding microbial degradation breeding wastewater, the advanced treatment unit 4 include being sequentially connected Ammonia nitrogen absorption device 401 and depth adsorbent equipment 402, the ammonia nitrogen absorption device 401 adsorbs the ammonia nitrogen in waste water, the depth Degree adsorbent equipment 402 adsorbs the pollutant in waste water using filtrate.
The culturing wastewater processing system further includes being connected to the advanced treatment unit 4 and the sewage discharger 6 Between biological stabilization pond 5.
The Wastewater Pretreatment unit 2 includes sequentially connected grid pond 201, conditioning tank 202.
The preliminary treatment unit includes anaerobic pond 301, aerobic tank 302 and flocculation sedimentation tank 303.
Ammonia nitrogen absorption device 401 includes the tourie 4011 and desorption tank 4012 of several connections, the tourie 4011 Built-in chelate resin.
The filtrate of the depth adsorbent equipment 402 is compound iron carbon, and compound iron carbon is also known as micro-electrolysis stuffing, the micro- electricity of iron carbon Solution filler, Inner electrolysis filler are one of the essential conditions of micro electrolysis tech processing waste water, it is by iron, carbon, composite catalyst, guarantor A variety of raw material such as shield agent, noble metal catalyst, other metallic catalyst activators are formed through high temperature sintering, and iron carbon of new generation is filled out Material, micro-electrolysis stuffing have thoroughly eradicated the problem that iron carbon filler is hardened, is passivated.In wastewater treatment process, its own generates 1.2 Volt potential difference carries out electrolysis processing to waste water, working principle: electrochemistry, oxidation-reduction, physical absorption and flocculation-precipitating Collective effect handles waste water, is to reduce waste water COD, coloration improves wastewater biodegradability;In the present invention, compound iron Carbon reduces acidity, COD, BOD and the suspended solid of water.
A method of processing breeding wastewater, the difference is that, the method for the processing breeding wastewater includes following Step:
Step 1 removes the large-sized solid in waste water first with grid pond 201, recycles 202 regulating water quality of conditioning tank balanced.
Step 2, the waste water after the step 1 is separated by solid-liquid separation are introduced into anaerobic pond 301 and handle by anaerobe, Anaerobic precipitation is carried out to the organic solid in waste water, part SS, COD etc. in waste water are removed, subsequently into aerobic tank 302 through well Oxygen animalcule handles the organic matter in Decomposition Wastewater, and aluminum sulfate, aluminium chloride, ferric sulfate or chlorine is added into flocculation sedimentation tank 203 Change the one or more suspended solids as in flocculant removal waste water of iron, obtains pretreated waste water;
Pretreated waste water in the step 2 is carried out absorption by the chelate resin in ammonia nitrogen absorption device 401 by step 3 After ammonia nitrogen, pH when chelate resin agent absorption ammonia nitrogen reaches saturation, carries out separating process processing with dilute hydrochloric acid between 2 ~ 4, Separating process, which is repeated, can be obtained high-purity ammonium chloride solution later, can make resource reutilization;Remaining COD in water, pigment, All also in waste water, the filtrate absorption in depth adsorbent equipment 402 is removed SS etc., and reduces the acidity in waste water, works as suction Attached saturation is desorbed.
Advanced treatment of waste water described in step 3 is discharged step 4 after the oxidation of biological stabilization pond 5.
This system, for management mode, reduces drain on manpower and material resources using automatic mode and remote automation.
Application examples
Breeding wastewater test after above-mentioned processing method is processed
Application examples one
Table 1 is that Wangcang County Wastewater from Pig Farm is compared using the front and back that processing system of the present invention and processing method are handled, per ton useless The processing cost of water is 5.8 yuan/ton.
Test before and after 1 pig farm cultivating wastewater purification of table
Application examples two
Table 2 is the front and back comparison that certain duck culturing factory water reuse processing system of the present invention and processing method are handled, the place of waste water per ton Managing cost is 6.1 yuan/ton.
Test before and after 2 duck culturing factory cultivating wastewater purification of table
As can be seen from the table, it is all greatly reduced by breeding wastewater COD, BOD content that the present invention is handled, and ammonia nitrogen, suspension Completely, the waste water of processing reaches discharge standard for object removal.
The rational design of process flow is the key point for reducing wastewater treatment, improving treatment effeciency, such as in many works In skill design, flocculation sedimentation is before anaerobic technique, and a large amount of uses that will lead to flocculant in this way cause high expensive, by work After skill adjustment, the usage amount of flocculant is substantially reduced, and reduces costs;To microorganism in existing cultivating wastewater purification technique Dependence is very big, and NH_3-N treating effect is poor, removes ammonia nitrogen using the method for ion exchange, NH_3-N treating effect is good, adsorbent material Ke Xunhuanliyong, cost is relatively low, has a wide range of application, and can handle all size type animal farm wastewater.
It should be noted that embodiment described above is some embodiments of the present invention.For the technology of this field For personnel, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to this The protection scope of invention.

Claims (10)

1. a kind of culturing wastewater processing system, which is characterized in that the culturing wastewater processing system includes sequentially connected sewage Collecting pit, Wastewater Pretreatment unit, preliminary treatment unit, advanced treatment unit and sewage discharger;
Wherein, the solid residue in the sewage pretreatment device removal breeding wastewater, the preliminary treatment unit, which utilizes, to be detested Organic pollutant in oxygen animalcule and aerobic degradation breeding wastewater, the advanced treatment unit include sequentially connected ammonia N2 adsorption device and depth adsorbent equipment, the ammonia nitrogen absorption device adsorb the ammonia nitrogen in waste water, the depth adsorbent equipment benefit The pollutant in waste water is adsorbed with filtrate.
2. a kind of culturing wastewater processing system according to claim 1, which is characterized in that the culturing wastewater processing system is also Including the biological stabilization pond being connected between the advanced treatment unit and the sewage discharger.
3. a kind of culturing wastewater processing system according to claim 1, which is characterized in that the Wastewater Pretreatment unit includes Sequentially connected grid pond and conditioning tank.
4. a kind of culturing wastewater processing system according to claim 1, which is characterized in that the preliminary treatment unit includes detesting Oxygen pond, aerobic tank and flocculation sedimentation tank.
5. a kind of culturing wastewater processing system according to claim 1, which is characterized in that ammonia nitrogen absorption device includes tourie And desorption tank, the tourie are provided with chelate resin.
6. a kind of culturing wastewater processing system according to claim 1, which is characterized in that the filtrate of the depth adsorbent equipment For compound iron carbon.
7. a kind of method using the described in any item system processing breeding wastewaters of claim 1 ~ 6, which is characterized in that the place Manage breeding wastewater method the following steps are included:
Step 1 removes the large-sized solid in waste water after cultivation wastewater collection;
Step 2, the waste water after the step 1 is separated by solid-liquid separation successively passes through anaerobe processing and aerobic microorganisms are handled Carry out the organic matter in degrading waste water, then removes the suspended matter in waste water, obtain pretreated waste water;
Pretreated waste water in the step 2 is removed ammonia nitrogen with the technique of ion exchange, recycled after removing ammonia nitrogen by step 3 Filtrate absorption, further removes acidic materials, obtains advanced treatment of waste water.
8. a kind of method for handling breeding wastewater according to claim 7, which is characterized in that the side of the processing breeding wastewater Method is further comprising the steps of:
Advanced treatment of waste water described in step 3 is discharged step 4 after biological stabilization pond aoxidizes.
9. a kind of method for handling breeding wastewater according to claim 7, which is characterized in that described pre- in the step 3 It handles water reuse chelate resin and carries out ion exchange removal ammonia nitrogen, wastewater pH is between 2 ~ 4 after removing ammonia nitrogen;Chelate resin and It when filtrate absorption reaches saturation, carries out separating process processing and then recycles, carry out desorption processing Shi Kesheng in chelate resin Output ammonium chloride solution.
10. a kind of method for handling breeding wastewater according to claim 7, which is characterized in that in the step 2, waste water is detested Oxygen pond carries out Anaerobic Treatment, carries out anaerobic precipitation to the solid in waste water, and the water that then anaerobic pond comes out enters aerobic tank process Aerobic Process for Treatment enters back into flocculation deposition apparatus, and suspended matter in waste water is made to flocculate, and further removes the suspended matter in waste water.
CN201910337847.1A 2019-04-25 2019-04-25 A kind of processing system and method for breeding wastewater Pending CN110015815A (en)

Priority Applications (1)

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CN201910337847.1A CN110015815A (en) 2019-04-25 2019-04-25 A kind of processing system and method for breeding wastewater

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Application Number Priority Date Filing Date Title
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CN110015815A true CN110015815A (en) 2019-07-16

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105541003A (en) * 2015-12-11 2016-05-04 青岛清科环保科技有限公司 Method for treating aquaculture wastewater
CN107487903A (en) * 2017-09-30 2017-12-19 重庆融极环保工程有限公司 The recovery method of ammonia nitrogen in a kind of livestock breeding wastewater
CN207973636U (en) * 2017-12-18 2018-10-16 金大地新能源(天津)集团股份有限公司 The sewage disposal system on pig farm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105541003A (en) * 2015-12-11 2016-05-04 青岛清科环保科技有限公司 Method for treating aquaculture wastewater
CN107487903A (en) * 2017-09-30 2017-12-19 重庆融极环保工程有限公司 The recovery method of ammonia nitrogen in a kind of livestock breeding wastewater
CN207973636U (en) * 2017-12-18 2018-10-16 金大地新能源(天津)集团股份有限公司 The sewage disposal system on pig farm

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Application publication date: 20190716